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# Compiled Object files, Static and Dynamic libs (Shared Objects)
*.o
*.a
*.so
# Folders
_obj
_test
# Architecture specific extensions/prefixes
*.[568vq]
[568vq].out
*.cgo1.go
*.cgo2.c
_cgo_defun.c
_cgo_gotypes.go
_cgo_export.*
_testmain.go
*.exe
*.test
*.prof
cover.out
nohup.out

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The MIT License (MIT)
Copyright (c) 2016 Bjørn Erik Pedersen
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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# Go Debounce
[![Tests on Linux, MacOS and Windows](https://github.com/bep/debounce/workflows/Test/badge.svg)](https://github.com/bep/debounce/actions?query=workflow:Test)
[![GoDoc](https://godoc.org/github.com/bep/debounce?status.svg)](https://godoc.org/github.com/bep/debounce)
[![Go Report Card](https://goreportcard.com/badge/github.com/bep/debounce)](https://goreportcard.com/report/github.com/bep/debounce)
[![codecov](https://codecov.io/gh/bep/debounce/branch/master/graph/badge.svg)](https://codecov.io/gh/bep/debounce)
[![Release](https://img.shields.io/github/release/bep/debounce.svg?style=flat-square)](https://github.com/bep/debounce/releases/latest)
## Example
```go
func ExampleNew() {
var counter uint64
f := func() {
atomic.AddUint64(&counter, 1)
}
debounced := debounce.New(100 * time.Millisecond)
for i := 0; i < 3; i++ {
for j := 0; j < 10; j++ {
debounced(f)
}
time.Sleep(200 * time.Millisecond)
}
c := int(atomic.LoadUint64(&counter))
fmt.Println("Counter is", c)
// Output: Counter is 3
}
```

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// Copyright © 2019 Bjørn Erik Pedersen <bjorn.erik.pedersen@gmail.com>.
//
// Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file.
// Package debounce provides a debouncer func. The most typical use case would be
// the user typing a text into a form; the UI needs an update, but let's wait for
// a break.
package debounce
import (
"sync"
"time"
)
// New returns a debounced function that takes another functions as its argument.
// This function will be called when the debounced function stops being called
// for the given duration.
// The debounced function can be invoked with different functions, if needed,
// the last one will win.
func New(after time.Duration) func(f func()) {
d := &debouncer{after: after}
return func(f func()) {
d.add(f)
}
}
type debouncer struct {
mu sync.Mutex
after time.Duration
timer *time.Timer
}
func (d *debouncer) add(f func()) {
d.mu.Lock()
defer d.mu.Unlock()
if d.timer != nil {
d.timer.Stop()
}
d.timer = time.AfterFunc(d.after, f)
}

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language: go
sudo: false
go:
- 1.9.x
- 1.10.x
- 1.11.x
- tip

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# Version 1.x.x
* **Add more test cases and reference new test COM server project.** (Placeholder for future additions)
# Version 1.2.0-alphaX
**Minimum supported version is now Go 1.4. Go 1.1 support is deprecated, but should still build.**
* Added CI configuration for Travis-CI and AppVeyor.
* Added test InterfaceID and ClassID for the COM Test Server project.
* Added more inline documentation (#83).
* Added IEnumVARIANT implementation (#88).
* Added IEnumVARIANT test cases (#99, #100, #101).
* Added support for retrieving `time.Time` from VARIANT (#92).
* Added test case for IUnknown (#64).
* Added test case for IDispatch (#64).
* Added test cases for scalar variants (#64, #76).
# Version 1.1.1
* Fixes for Linux build.
* Fixes for Windows build.
# Version 1.1.0
The change to provide building on all platforms is a new feature. The increase in minor version reflects that and allows those who wish to stay on 1.0.x to continue to do so. Support for 1.0.x will be limited to bug fixes.
* Move GUID out of variables.go into its own file to make new documentation available.
* Move OleError out of ole.go into its own file to make new documentation available.
* Add documentation to utility functions.
* Add documentation to variant receiver functions.
* Add documentation to ole structures.
* Make variant available to other systems outside of Windows.
* Make OLE structures available to other systems outside of Windows.
## New Features
* Library should now be built on all platforms supported by Go. Library will NOOP on any platform that is not Windows.
* More functions are now documented and available on godoc.org.
# Version 1.0.1
1. Fix package references from repository location change.
# Version 1.0.0
This version is stable enough for use. The COM API is still incomplete, but provides enough functionality for accessing COM servers using IDispatch interface.
There is no changelog for this version. Check commits for history.

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The MIT License (MIT)
Copyright © 2013-2017 Yasuhiro Matsumoto, <mattn.jp@gmail.com>
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the “Software”), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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# Go OLE
[![Build status](https://ci.appveyor.com/api/projects/status/qr0u2sf7q43us9fj?svg=true)](https://ci.appveyor.com/project/jacobsantos/go-ole-jgs28)
[![Build Status](https://travis-ci.org/go-ole/go-ole.svg?branch=master)](https://travis-ci.org/go-ole/go-ole)
[![GoDoc](https://godoc.org/github.com/go-ole/go-ole?status.svg)](https://godoc.org/github.com/go-ole/go-ole)
Go bindings for Windows COM using shared libraries instead of cgo.
By Yasuhiro Matsumoto.
## Install
To experiment with go-ole, you can just compile and run the example program:
```
go get github.com/go-ole/go-ole
cd /path/to/go-ole/
go test
cd /path/to/go-ole/example/excel
go run excel.go
```
## Continuous Integration
Continuous integration configuration has been added for both Travis-CI and AppVeyor. You will have to add these to your own account for your fork in order for it to run.
**Travis-CI**
Travis-CI was added to check builds on Linux to ensure that `go get` works when cross building. Currently, Travis-CI is not used to test cross-building, but this may be changed in the future. It is also not currently possible to test the library on Linux, since COM API is specific to Windows and it is not currently possible to run a COM server on Linux or even connect to a remote COM server.
**AppVeyor**
AppVeyor is used to build on Windows using the (in-development) test COM server. It is currently only used to test the build and ensure that the code works on Windows. It will be used to register a COM server and then run the test cases based on the test COM server.
The tests currently do run and do pass and this should be maintained with commits.
## Versioning
Go OLE uses [semantic versioning](http://semver.org) for version numbers, which is similar to the version contract of the Go language. Which means that the major version will always maintain backwards compatibility with minor versions. Minor versions will only add new additions and changes. Fixes will always be in patch.
This contract should allow you to upgrade to new minor and patch versions without breakage or modifications to your existing code. Leave a ticket, if there is breakage, so that it could be fixed.
## LICENSE
Under the MIT License: http://mattn.mit-license.org/2013

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# Notes:
# - Minimal appveyor.yml file is an empty file. All sections are optional.
# - Indent each level of configuration with 2 spaces. Do not use tabs!
# - All section names are case-sensitive.
# - Section names should be unique on each level.
version: "1.3.0.{build}-alpha-{branch}"
os: Windows Server 2012 R2
branches:
only:
- master
- v1.2
- v1.1
- v1.0
skip_tags: true
clone_folder: c:\gopath\src\github.com\go-ole\go-ole
environment:
GOPATH: c:\gopath
matrix:
- GOARCH: amd64
GOVERSION: 1.5
GOROOT: c:\go
DOWNLOADPLATFORM: "x64"
install:
- choco install mingw
- SET PATH=c:\tools\mingw64\bin;%PATH%
# - Download COM Server
- ps: Start-FileDownload "https://github.com/go-ole/test-com-server/releases/download/v1.0.2/test-com-server-${env:DOWNLOADPLATFORM}.zip"
- 7z e test-com-server-%DOWNLOADPLATFORM%.zip -oc:\gopath\src\github.com\go-ole\go-ole > NUL
- c:\gopath\src\github.com\go-ole\go-ole\build\register-assembly.bat
# - set
- go version
- go env
- go get -u golang.org/x/tools/cmd/cover
- go get -u golang.org/x/tools/cmd/godoc
- go get -u golang.org/x/tools/cmd/stringer
build_script:
- cd c:\gopath\src\github.com\go-ole\go-ole
- go get -v -t ./...
- go build
- go test -v -cover ./...
# disable automatic tests
test: off
# disable deployment
deploy: off

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// +build windows
package ole
import (
"syscall"
"unicode/utf16"
"unsafe"
)
var (
procCoInitialize = modole32.NewProc("CoInitialize")
procCoInitializeEx = modole32.NewProc("CoInitializeEx")
procCoUninitialize = modole32.NewProc("CoUninitialize")
procCoCreateInstance = modole32.NewProc("CoCreateInstance")
procCoTaskMemFree = modole32.NewProc("CoTaskMemFree")
procCLSIDFromProgID = modole32.NewProc("CLSIDFromProgID")
procCLSIDFromString = modole32.NewProc("CLSIDFromString")
procStringFromCLSID = modole32.NewProc("StringFromCLSID")
procStringFromIID = modole32.NewProc("StringFromIID")
procIIDFromString = modole32.NewProc("IIDFromString")
procCoGetObject = modole32.NewProc("CoGetObject")
procGetUserDefaultLCID = modkernel32.NewProc("GetUserDefaultLCID")
procCopyMemory = modkernel32.NewProc("RtlMoveMemory")
procVariantInit = modoleaut32.NewProc("VariantInit")
procVariantClear = modoleaut32.NewProc("VariantClear")
procVariantTimeToSystemTime = modoleaut32.NewProc("VariantTimeToSystemTime")
procSysAllocString = modoleaut32.NewProc("SysAllocString")
procSysAllocStringLen = modoleaut32.NewProc("SysAllocStringLen")
procSysFreeString = modoleaut32.NewProc("SysFreeString")
procSysStringLen = modoleaut32.NewProc("SysStringLen")
procCreateDispTypeInfo = modoleaut32.NewProc("CreateDispTypeInfo")
procCreateStdDispatch = modoleaut32.NewProc("CreateStdDispatch")
procGetActiveObject = modoleaut32.NewProc("GetActiveObject")
procGetMessageW = moduser32.NewProc("GetMessageW")
procDispatchMessageW = moduser32.NewProc("DispatchMessageW")
)
// coInitialize initializes COM library on current thread.
//
// MSDN documentation suggests that this function should not be called. Call
// CoInitializeEx() instead. The reason has to do with threading and this
// function is only for single-threaded apartments.
//
// That said, most users of the library have gotten away with just this
// function. If you are experiencing threading issues, then use
// CoInitializeEx().
func coInitialize() (err error) {
// http://msdn.microsoft.com/en-us/library/windows/desktop/ms678543(v=vs.85).aspx
// Suggests that no value should be passed to CoInitialized.
// Could just be Call() since the parameter is optional. <-- Needs testing to be sure.
hr, _, _ := procCoInitialize.Call(uintptr(0))
if hr != 0 {
err = NewError(hr)
}
return
}
// coInitializeEx initializes COM library with concurrency model.
func coInitializeEx(coinit uint32) (err error) {
// http://msdn.microsoft.com/en-us/library/windows/desktop/ms695279(v=vs.85).aspx
// Suggests that the first parameter is not only optional but should always be NULL.
hr, _, _ := procCoInitializeEx.Call(uintptr(0), uintptr(coinit))
if hr != 0 {
err = NewError(hr)
}
return
}
// CoInitialize initializes COM library on current thread.
//
// MSDN documentation suggests that this function should not be called. Call
// CoInitializeEx() instead. The reason has to do with threading and this
// function is only for single-threaded apartments.
//
// That said, most users of the library have gotten away with just this
// function. If you are experiencing threading issues, then use
// CoInitializeEx().
func CoInitialize(p uintptr) (err error) {
// p is ignored and won't be used.
// Avoid any variable not used errors.
p = uintptr(0)
return coInitialize()
}
// CoInitializeEx initializes COM library with concurrency model.
func CoInitializeEx(p uintptr, coinit uint32) (err error) {
// Avoid any variable not used errors.
p = uintptr(0)
return coInitializeEx(coinit)
}
// CoUninitialize uninitializes COM Library.
func CoUninitialize() {
procCoUninitialize.Call()
}
// CoTaskMemFree frees memory pointer.
func CoTaskMemFree(memptr uintptr) {
procCoTaskMemFree.Call(memptr)
}
// CLSIDFromProgID retrieves Class Identifier with the given Program Identifier.
//
// The Programmatic Identifier must be registered, because it will be looked up
// in the Windows Registry. The registry entry has the following keys: CLSID,
// Insertable, Protocol and Shell
// (https://msdn.microsoft.com/en-us/library/dd542719(v=vs.85).aspx).
//
// programID identifies the class id with less precision and is not guaranteed
// to be unique. These are usually found in the registry under
// HKEY_LOCAL_MACHINE\SOFTWARE\Classes, usually with the format of
// "Program.Component.Version" with version being optional.
//
// CLSIDFromProgID in Windows API.
func CLSIDFromProgID(progId string) (clsid *GUID, err error) {
var guid GUID
lpszProgID := uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(progId)))
hr, _, _ := procCLSIDFromProgID.Call(lpszProgID, uintptr(unsafe.Pointer(&guid)))
if hr != 0 {
err = NewError(hr)
}
clsid = &guid
return
}
// CLSIDFromString retrieves Class ID from string representation.
//
// This is technically the string version of the GUID and will convert the
// string to object.
//
// CLSIDFromString in Windows API.
func CLSIDFromString(str string) (clsid *GUID, err error) {
var guid GUID
lpsz := uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(str)))
hr, _, _ := procCLSIDFromString.Call(lpsz, uintptr(unsafe.Pointer(&guid)))
if hr != 0 {
err = NewError(hr)
}
clsid = &guid
return
}
// StringFromCLSID returns GUID formated string from GUID object.
func StringFromCLSID(clsid *GUID) (str string, err error) {
var p *uint16
hr, _, _ := procStringFromCLSID.Call(uintptr(unsafe.Pointer(clsid)), uintptr(unsafe.Pointer(&p)))
if hr != 0 {
err = NewError(hr)
}
str = LpOleStrToString(p)
return
}
// IIDFromString returns GUID from program ID.
func IIDFromString(progId string) (clsid *GUID, err error) {
var guid GUID
lpsz := uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(progId)))
hr, _, _ := procIIDFromString.Call(lpsz, uintptr(unsafe.Pointer(&guid)))
if hr != 0 {
err = NewError(hr)
}
clsid = &guid
return
}
// StringFromIID returns GUID formatted string from GUID object.
func StringFromIID(iid *GUID) (str string, err error) {
var p *uint16
hr, _, _ := procStringFromIID.Call(uintptr(unsafe.Pointer(iid)), uintptr(unsafe.Pointer(&p)))
if hr != 0 {
err = NewError(hr)
}
str = LpOleStrToString(p)
return
}
// CreateInstance of single uninitialized object with GUID.
func CreateInstance(clsid *GUID, iid *GUID) (unk *IUnknown, err error) {
if iid == nil {
iid = IID_IUnknown
}
hr, _, _ := procCoCreateInstance.Call(
uintptr(unsafe.Pointer(clsid)),
0,
CLSCTX_SERVER,
uintptr(unsafe.Pointer(iid)),
uintptr(unsafe.Pointer(&unk)))
if hr != 0 {
err = NewError(hr)
}
return
}
// GetActiveObject retrieves pointer to active object.
func GetActiveObject(clsid *GUID, iid *GUID) (unk *IUnknown, err error) {
if iid == nil {
iid = IID_IUnknown
}
hr, _, _ := procGetActiveObject.Call(
uintptr(unsafe.Pointer(clsid)),
uintptr(unsafe.Pointer(iid)),
uintptr(unsafe.Pointer(&unk)))
if hr != 0 {
err = NewError(hr)
}
return
}
type BindOpts struct {
CbStruct uint32
GrfFlags uint32
GrfMode uint32
TickCountDeadline uint32
}
// GetObject retrieves pointer to active object.
func GetObject(programID string, bindOpts *BindOpts, iid *GUID) (unk *IUnknown, err error) {
if bindOpts != nil {
bindOpts.CbStruct = uint32(unsafe.Sizeof(BindOpts{}))
}
if iid == nil {
iid = IID_IUnknown
}
hr, _, _ := procCoGetObject.Call(
uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(programID))),
uintptr(unsafe.Pointer(bindOpts)),
uintptr(unsafe.Pointer(iid)),
uintptr(unsafe.Pointer(&unk)))
if hr != 0 {
err = NewError(hr)
}
return
}
// VariantInit initializes variant.
func VariantInit(v *VARIANT) (err error) {
hr, _, _ := procVariantInit.Call(uintptr(unsafe.Pointer(v)))
if hr != 0 {
err = NewError(hr)
}
return
}
// VariantClear clears value in Variant settings to VT_EMPTY.
func VariantClear(v *VARIANT) (err error) {
hr, _, _ := procVariantClear.Call(uintptr(unsafe.Pointer(v)))
if hr != 0 {
err = NewError(hr)
}
return
}
// SysAllocString allocates memory for string and copies string into memory.
func SysAllocString(v string) (ss *int16) {
pss, _, _ := procSysAllocString.Call(uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(v))))
ss = (*int16)(unsafe.Pointer(pss))
return
}
// SysAllocStringLen copies up to length of given string returning pointer.
func SysAllocStringLen(v string) (ss *int16) {
utf16 := utf16.Encode([]rune(v + "\x00"))
ptr := &utf16[0]
pss, _, _ := procSysAllocStringLen.Call(uintptr(unsafe.Pointer(ptr)), uintptr(len(utf16)-1))
ss = (*int16)(unsafe.Pointer(pss))
return
}
// SysFreeString frees string system memory. This must be called with SysAllocString.
func SysFreeString(v *int16) (err error) {
hr, _, _ := procSysFreeString.Call(uintptr(unsafe.Pointer(v)))
if hr != 0 {
err = NewError(hr)
}
return
}
// SysStringLen is the length of the system allocated string.
func SysStringLen(v *int16) uint32 {
l, _, _ := procSysStringLen.Call(uintptr(unsafe.Pointer(v)))
return uint32(l)
}
// CreateStdDispatch provides default IDispatch implementation for IUnknown.
//
// This handles default IDispatch implementation for objects. It haves a few
// limitations with only supporting one language. It will also only return
// default exception codes.
func CreateStdDispatch(unk *IUnknown, v uintptr, ptinfo *IUnknown) (disp *IDispatch, err error) {
hr, _, _ := procCreateStdDispatch.Call(
uintptr(unsafe.Pointer(unk)),
v,
uintptr(unsafe.Pointer(ptinfo)),
uintptr(unsafe.Pointer(&disp)))
if hr != 0 {
err = NewError(hr)
}
return
}
// CreateDispTypeInfo provides default ITypeInfo implementation for IDispatch.
//
// This will not handle the full implementation of the interface.
func CreateDispTypeInfo(idata *INTERFACEDATA) (pptinfo *IUnknown, err error) {
hr, _, _ := procCreateDispTypeInfo.Call(
uintptr(unsafe.Pointer(idata)),
uintptr(GetUserDefaultLCID()),
uintptr(unsafe.Pointer(&pptinfo)))
if hr != 0 {
err = NewError(hr)
}
return
}
// copyMemory moves location of a block of memory.
func copyMemory(dest unsafe.Pointer, src unsafe.Pointer, length uint32) {
procCopyMemory.Call(uintptr(dest), uintptr(src), uintptr(length))
}
// GetUserDefaultLCID retrieves current user default locale.
func GetUserDefaultLCID() (lcid uint32) {
ret, _, _ := procGetUserDefaultLCID.Call()
lcid = uint32(ret)
return
}
// GetMessage in message queue from runtime.
//
// This function appears to block. PeekMessage does not block.
func GetMessage(msg *Msg, hwnd uint32, MsgFilterMin uint32, MsgFilterMax uint32) (ret int32, err error) {
r0, _, err := procGetMessageW.Call(uintptr(unsafe.Pointer(msg)), uintptr(hwnd), uintptr(MsgFilterMin), uintptr(MsgFilterMax))
ret = int32(r0)
return
}
// DispatchMessage to window procedure.
func DispatchMessage(msg *Msg) (ret int32) {
r0, _, _ := procDispatchMessageW.Call(uintptr(unsafe.Pointer(msg)))
ret = int32(r0)
return
}

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// +build !windows
package ole
import (
"time"
"unsafe"
)
// coInitialize initializes COM library on current thread.
//
// MSDN documentation suggests that this function should not be called. Call
// CoInitializeEx() instead. The reason has to do with threading and this
// function is only for single-threaded apartments.
//
// That said, most users of the library have gotten away with just this
// function. If you are experiencing threading issues, then use
// CoInitializeEx().
func coInitialize() error {
return NewError(E_NOTIMPL)
}
// coInitializeEx initializes COM library with concurrency model.
func coInitializeEx(coinit uint32) error {
return NewError(E_NOTIMPL)
}
// CoInitialize initializes COM library on current thread.
//
// MSDN documentation suggests that this function should not be called. Call
// CoInitializeEx() instead. The reason has to do with threading and this
// function is only for single-threaded apartments.
//
// That said, most users of the library have gotten away with just this
// function. If you are experiencing threading issues, then use
// CoInitializeEx().
func CoInitialize(p uintptr) error {
return NewError(E_NOTIMPL)
}
// CoInitializeEx initializes COM library with concurrency model.
func CoInitializeEx(p uintptr, coinit uint32) error {
return NewError(E_NOTIMPL)
}
// CoUninitialize uninitializes COM Library.
func CoUninitialize() {}
// CoTaskMemFree frees memory pointer.
func CoTaskMemFree(memptr uintptr) {}
// CLSIDFromProgID retrieves Class Identifier with the given Program Identifier.
//
// The Programmatic Identifier must be registered, because it will be looked up
// in the Windows Registry. The registry entry has the following keys: CLSID,
// Insertable, Protocol and Shell
// (https://msdn.microsoft.com/en-us/library/dd542719(v=vs.85).aspx).
//
// programID identifies the class id with less precision and is not guaranteed
// to be unique. These are usually found in the registry under
// HKEY_LOCAL_MACHINE\SOFTWARE\Classes, usually with the format of
// "Program.Component.Version" with version being optional.
//
// CLSIDFromProgID in Windows API.
func CLSIDFromProgID(progId string) (*GUID, error) {
return nil, NewError(E_NOTIMPL)
}
// CLSIDFromString retrieves Class ID from string representation.
//
// This is technically the string version of the GUID and will convert the
// string to object.
//
// CLSIDFromString in Windows API.
func CLSIDFromString(str string) (*GUID, error) {
return nil, NewError(E_NOTIMPL)
}
// StringFromCLSID returns GUID formated string from GUID object.
func StringFromCLSID(clsid *GUID) (string, error) {
return "", NewError(E_NOTIMPL)
}
// IIDFromString returns GUID from program ID.
func IIDFromString(progId string) (*GUID, error) {
return nil, NewError(E_NOTIMPL)
}
// StringFromIID returns GUID formatted string from GUID object.
func StringFromIID(iid *GUID) (string, error) {
return "", NewError(E_NOTIMPL)
}
// CreateInstance of single uninitialized object with GUID.
func CreateInstance(clsid *GUID, iid *GUID) (*IUnknown, error) {
return nil, NewError(E_NOTIMPL)
}
// GetActiveObject retrieves pointer to active object.
func GetActiveObject(clsid *GUID, iid *GUID) (*IUnknown, error) {
return nil, NewError(E_NOTIMPL)
}
// VariantInit initializes variant.
func VariantInit(v *VARIANT) error {
return NewError(E_NOTIMPL)
}
// VariantClear clears value in Variant settings to VT_EMPTY.
func VariantClear(v *VARIANT) error {
return NewError(E_NOTIMPL)
}
// SysAllocString allocates memory for string and copies string into memory.
func SysAllocString(v string) *int16 {
u := int16(0)
return &u
}
// SysAllocStringLen copies up to length of given string returning pointer.
func SysAllocStringLen(v string) *int16 {
u := int16(0)
return &u
}
// SysFreeString frees string system memory. This must be called with SysAllocString.
func SysFreeString(v *int16) error {
return NewError(E_NOTIMPL)
}
// SysStringLen is the length of the system allocated string.
func SysStringLen(v *int16) uint32 {
return uint32(0)
}
// CreateStdDispatch provides default IDispatch implementation for IUnknown.
//
// This handles default IDispatch implementation for objects. It haves a few
// limitations with only supporting one language. It will also only return
// default exception codes.
func CreateStdDispatch(unk *IUnknown, v uintptr, ptinfo *IUnknown) (*IDispatch, error) {
return nil, NewError(E_NOTIMPL)
}
// CreateDispTypeInfo provides default ITypeInfo implementation for IDispatch.
//
// This will not handle the full implementation of the interface.
func CreateDispTypeInfo(idata *INTERFACEDATA) (*IUnknown, error) {
return nil, NewError(E_NOTIMPL)
}
// copyMemory moves location of a block of memory.
func copyMemory(dest unsafe.Pointer, src unsafe.Pointer, length uint32) {}
// GetUserDefaultLCID retrieves current user default locale.
func GetUserDefaultLCID() uint32 {
return uint32(0)
}
// GetMessage in message queue from runtime.
//
// This function appears to block. PeekMessage does not block.
func GetMessage(msg *Msg, hwnd uint32, MsgFilterMin uint32, MsgFilterMax uint32) (int32, error) {
return int32(0), NewError(E_NOTIMPL)
}
// DispatchMessage to window procedure.
func DispatchMessage(msg *Msg) int32 {
return int32(0)
}
func GetVariantDate(value uint64) (time.Time, error) {
return time.Now(), NewError(E_NOTIMPL)
}

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vendor/github.com/go-ole/go-ole/connect.go generated vendored Normal file
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package ole
// Connection contains IUnknown for fluent interface interaction.
//
// Deprecated. Use oleutil package instead.
type Connection struct {
Object *IUnknown // Access COM
}
// Initialize COM.
func (*Connection) Initialize() (err error) {
return coInitialize()
}
// Uninitialize COM.
func (*Connection) Uninitialize() {
CoUninitialize()
}
// Create IUnknown object based first on ProgId and then from String.
func (c *Connection) Create(progId string) (err error) {
var clsid *GUID
clsid, err = CLSIDFromProgID(progId)
if err != nil {
clsid, err = CLSIDFromString(progId)
if err != nil {
return
}
}
unknown, err := CreateInstance(clsid, IID_IUnknown)
if err != nil {
return
}
c.Object = unknown
return
}
// Release IUnknown object.
func (c *Connection) Release() {
c.Object.Release()
}
// Load COM object from list of programIDs or strings.
func (c *Connection) Load(names ...string) (errors []error) {
var tempErrors []error = make([]error, len(names))
var numErrors int = 0
for _, name := range names {
err := c.Create(name)
if err != nil {
tempErrors = append(tempErrors, err)
numErrors += 1
continue
}
break
}
copy(errors, tempErrors[0:numErrors])
return
}
// Dispatch returns Dispatch object.
func (c *Connection) Dispatch() (object *Dispatch, err error) {
dispatch, err := c.Object.QueryInterface(IID_IDispatch)
if err != nil {
return
}
object = &Dispatch{dispatch}
return
}
// Dispatch stores IDispatch object.
type Dispatch struct {
Object *IDispatch // Dispatch object.
}
// Call method on IDispatch with parameters.
func (d *Dispatch) Call(method string, params ...interface{}) (result *VARIANT, err error) {
id, err := d.GetId(method)
if err != nil {
return
}
result, err = d.Invoke(id, DISPATCH_METHOD, params)
return
}
// MustCall method on IDispatch with parameters.
func (d *Dispatch) MustCall(method string, params ...interface{}) (result *VARIANT) {
id, err := d.GetId(method)
if err != nil {
panic(err)
}
result, err = d.Invoke(id, DISPATCH_METHOD, params)
if err != nil {
panic(err)
}
return
}
// Get property on IDispatch with parameters.
func (d *Dispatch) Get(name string, params ...interface{}) (result *VARIANT, err error) {
id, err := d.GetId(name)
if err != nil {
return
}
result, err = d.Invoke(id, DISPATCH_PROPERTYGET, params)
return
}
// MustGet property on IDispatch with parameters.
func (d *Dispatch) MustGet(name string, params ...interface{}) (result *VARIANT) {
id, err := d.GetId(name)
if err != nil {
panic(err)
}
result, err = d.Invoke(id, DISPATCH_PROPERTYGET, params)
if err != nil {
panic(err)
}
return
}
// Set property on IDispatch with parameters.
func (d *Dispatch) Set(name string, params ...interface{}) (result *VARIANT, err error) {
id, err := d.GetId(name)
if err != nil {
return
}
result, err = d.Invoke(id, DISPATCH_PROPERTYPUT, params)
return
}
// MustSet property on IDispatch with parameters.
func (d *Dispatch) MustSet(name string, params ...interface{}) (result *VARIANT) {
id, err := d.GetId(name)
if err != nil {
panic(err)
}
result, err = d.Invoke(id, DISPATCH_PROPERTYPUT, params)
if err != nil {
panic(err)
}
return
}
// GetId retrieves ID of name on IDispatch.
func (d *Dispatch) GetId(name string) (id int32, err error) {
var dispid []int32
dispid, err = d.Object.GetIDsOfName([]string{name})
if err != nil {
return
}
id = dispid[0]
return
}
// GetIds retrieves all IDs of names on IDispatch.
func (d *Dispatch) GetIds(names ...string) (dispid []int32, err error) {
dispid, err = d.Object.GetIDsOfName(names)
return
}
// Invoke IDispatch on DisplayID of dispatch type with parameters.
//
// There have been problems where if send cascading params..., it would error
// out because the parameters would be empty.
func (d *Dispatch) Invoke(id int32, dispatch int16, params []interface{}) (result *VARIANT, err error) {
if len(params) < 1 {
result, err = d.Object.Invoke(id, dispatch)
} else {
result, err = d.Object.Invoke(id, dispatch, params...)
}
return
}
// Release IDispatch object.
func (d *Dispatch) Release() {
d.Object.Release()
}
// Connect initializes COM and attempts to load IUnknown based on given names.
func Connect(names ...string) (connection *Connection) {
connection.Initialize()
connection.Load(names...)
return
}

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vendor/github.com/go-ole/go-ole/constants.go generated vendored Normal file
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package ole
const (
CLSCTX_INPROC_SERVER = 1
CLSCTX_INPROC_HANDLER = 2
CLSCTX_LOCAL_SERVER = 4
CLSCTX_INPROC_SERVER16 = 8
CLSCTX_REMOTE_SERVER = 16
CLSCTX_ALL = CLSCTX_INPROC_SERVER | CLSCTX_INPROC_HANDLER | CLSCTX_LOCAL_SERVER
CLSCTX_INPROC = CLSCTX_INPROC_SERVER | CLSCTX_INPROC_HANDLER
CLSCTX_SERVER = CLSCTX_INPROC_SERVER | CLSCTX_LOCAL_SERVER | CLSCTX_REMOTE_SERVER
)
const (
COINIT_APARTMENTTHREADED = 0x2
COINIT_MULTITHREADED = 0x0
COINIT_DISABLE_OLE1DDE = 0x4
COINIT_SPEED_OVER_MEMORY = 0x8
)
const (
DISPATCH_METHOD = 1
DISPATCH_PROPERTYGET = 2
DISPATCH_PROPERTYPUT = 4
DISPATCH_PROPERTYPUTREF = 8
)
const (
S_OK = 0x00000000
E_UNEXPECTED = 0x8000FFFF
E_NOTIMPL = 0x80004001
E_OUTOFMEMORY = 0x8007000E
E_INVALIDARG = 0x80070057
E_NOINTERFACE = 0x80004002
E_POINTER = 0x80004003
E_HANDLE = 0x80070006
E_ABORT = 0x80004004
E_FAIL = 0x80004005
E_ACCESSDENIED = 0x80070005
E_PENDING = 0x8000000A
CO_E_CLASSSTRING = 0x800401F3
)
const (
CC_FASTCALL = iota
CC_CDECL
CC_MSCPASCAL
CC_PASCAL = CC_MSCPASCAL
CC_MACPASCAL
CC_STDCALL
CC_FPFASTCALL
CC_SYSCALL
CC_MPWCDECL
CC_MPWPASCAL
CC_MAX = CC_MPWPASCAL
)
type VT uint16
const (
VT_EMPTY VT = 0x0
VT_NULL VT = 0x1
VT_I2 VT = 0x2
VT_I4 VT = 0x3
VT_R4 VT = 0x4
VT_R8 VT = 0x5
VT_CY VT = 0x6
VT_DATE VT = 0x7
VT_BSTR VT = 0x8
VT_DISPATCH VT = 0x9
VT_ERROR VT = 0xa
VT_BOOL VT = 0xb
VT_VARIANT VT = 0xc
VT_UNKNOWN VT = 0xd
VT_DECIMAL VT = 0xe
VT_I1 VT = 0x10
VT_UI1 VT = 0x11
VT_UI2 VT = 0x12
VT_UI4 VT = 0x13
VT_I8 VT = 0x14
VT_UI8 VT = 0x15
VT_INT VT = 0x16
VT_UINT VT = 0x17
VT_VOID VT = 0x18
VT_HRESULT VT = 0x19
VT_PTR VT = 0x1a
VT_SAFEARRAY VT = 0x1b
VT_CARRAY VT = 0x1c
VT_USERDEFINED VT = 0x1d
VT_LPSTR VT = 0x1e
VT_LPWSTR VT = 0x1f
VT_RECORD VT = 0x24
VT_INT_PTR VT = 0x25
VT_UINT_PTR VT = 0x26
VT_FILETIME VT = 0x40
VT_BLOB VT = 0x41
VT_STREAM VT = 0x42
VT_STORAGE VT = 0x43
VT_STREAMED_OBJECT VT = 0x44
VT_STORED_OBJECT VT = 0x45
VT_BLOB_OBJECT VT = 0x46
VT_CF VT = 0x47
VT_CLSID VT = 0x48
VT_BSTR_BLOB VT = 0xfff
VT_VECTOR VT = 0x1000
VT_ARRAY VT = 0x2000
VT_BYREF VT = 0x4000
VT_RESERVED VT = 0x8000
VT_ILLEGAL VT = 0xffff
VT_ILLEGALMASKED VT = 0xfff
VT_TYPEMASK VT = 0xfff
)
const (
DISPID_UNKNOWN = -1
DISPID_VALUE = 0
DISPID_PROPERTYPUT = -3
DISPID_NEWENUM = -4
DISPID_EVALUATE = -5
DISPID_CONSTRUCTOR = -6
DISPID_DESTRUCTOR = -7
DISPID_COLLECT = -8
)
const (
TKIND_ENUM = 1
TKIND_RECORD = 2
TKIND_MODULE = 3
TKIND_INTERFACE = 4
TKIND_DISPATCH = 5
TKIND_COCLASS = 6
TKIND_ALIAS = 7
TKIND_UNION = 8
TKIND_MAX = 9
)
// Safe Array Feature Flags
const (
FADF_AUTO = 0x0001
FADF_STATIC = 0x0002
FADF_EMBEDDED = 0x0004
FADF_FIXEDSIZE = 0x0010
FADF_RECORD = 0x0020
FADF_HAVEIID = 0x0040
FADF_HAVEVARTYPE = 0x0080
FADF_BSTR = 0x0100
FADF_UNKNOWN = 0x0200
FADF_DISPATCH = 0x0400
FADF_VARIANT = 0x0800
FADF_RESERVED = 0xF008
)

51
vendor/github.com/go-ole/go-ole/error.go generated vendored Normal file
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package ole
// OleError stores COM errors.
type OleError struct {
hr uintptr
description string
subError error
}
// NewError creates new error with HResult.
func NewError(hr uintptr) *OleError {
return &OleError{hr: hr}
}
// NewErrorWithDescription creates new COM error with HResult and description.
func NewErrorWithDescription(hr uintptr, description string) *OleError {
return &OleError{hr: hr, description: description}
}
// NewErrorWithSubError creates new COM error with parent error.
func NewErrorWithSubError(hr uintptr, description string, err error) *OleError {
return &OleError{hr: hr, description: description, subError: err}
}
// Code is the HResult.
func (v *OleError) Code() uintptr {
return uintptr(v.hr)
}
// String description, either manually set or format message with error code.
func (v *OleError) String() string {
if v.description != "" {
return errstr(int(v.hr)) + " (" + v.description + ")"
}
return errstr(int(v.hr))
}
// Error implements error interface.
func (v *OleError) Error() string {
return v.String()
}
// Description retrieves error summary, if there is one.
func (v *OleError) Description() string {
return v.description
}
// SubError returns parent error, if there is one.
func (v *OleError) SubError() error {
return v.subError
}

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vendor/github.com/go-ole/go-ole/error_func.go generated vendored Normal file
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// +build !windows
package ole
// errstr converts error code to string.
func errstr(errno int) string {
return ""
}

24
vendor/github.com/go-ole/go-ole/error_windows.go generated vendored Normal file
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// +build windows
package ole
import (
"fmt"
"syscall"
"unicode/utf16"
)
// errstr converts error code to string.
func errstr(errno int) string {
// ask windows for the remaining errors
var flags uint32 = syscall.FORMAT_MESSAGE_FROM_SYSTEM | syscall.FORMAT_MESSAGE_ARGUMENT_ARRAY | syscall.FORMAT_MESSAGE_IGNORE_INSERTS
b := make([]uint16, 300)
n, err := syscall.FormatMessage(flags, 0, uint32(errno), 0, b, nil)
if err != nil {
return fmt.Sprintf("error %d (FormatMessage failed with: %v)", errno, err)
}
// trim terminating \r and \n
for ; n > 0 && (b[n-1] == '\n' || b[n-1] == '\r'); n-- {
}
return string(utf16.Decode(b[:n]))
}

284
vendor/github.com/go-ole/go-ole/guid.go generated vendored Normal file
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package ole
var (
// IID_NULL is null Interface ID, used when no other Interface ID is known.
IID_NULL = NewGUID("{00000000-0000-0000-0000-000000000000}")
// IID_IUnknown is for IUnknown interfaces.
IID_IUnknown = NewGUID("{00000000-0000-0000-C000-000000000046}")
// IID_IDispatch is for IDispatch interfaces.
IID_IDispatch = NewGUID("{00020400-0000-0000-C000-000000000046}")
// IID_IEnumVariant is for IEnumVariant interfaces
IID_IEnumVariant = NewGUID("{00020404-0000-0000-C000-000000000046}")
// IID_IConnectionPointContainer is for IConnectionPointContainer interfaces.
IID_IConnectionPointContainer = NewGUID("{B196B284-BAB4-101A-B69C-00AA00341D07}")
// IID_IConnectionPoint is for IConnectionPoint interfaces.
IID_IConnectionPoint = NewGUID("{B196B286-BAB4-101A-B69C-00AA00341D07}")
// IID_IInspectable is for IInspectable interfaces.
IID_IInspectable = NewGUID("{AF86E2E0-B12D-4C6A-9C5A-D7AA65101E90}")
// IID_IProvideClassInfo is for IProvideClassInfo interfaces.
IID_IProvideClassInfo = NewGUID("{B196B283-BAB4-101A-B69C-00AA00341D07}")
)
// These are for testing and not part of any library.
var (
// IID_ICOMTestString is for ICOMTestString interfaces.
//
// {E0133EB4-C36F-469A-9D3D-C66B84BE19ED}
IID_ICOMTestString = NewGUID("{E0133EB4-C36F-469A-9D3D-C66B84BE19ED}")
// IID_ICOMTestInt8 is for ICOMTestInt8 interfaces.
//
// {BEB06610-EB84-4155-AF58-E2BFF53680B4}
IID_ICOMTestInt8 = NewGUID("{BEB06610-EB84-4155-AF58-E2BFF53680B4}")
// IID_ICOMTestInt16 is for ICOMTestInt16 interfaces.
//
// {DAA3F9FA-761E-4976-A860-8364CE55F6FC}
IID_ICOMTestInt16 = NewGUID("{DAA3F9FA-761E-4976-A860-8364CE55F6FC}")
// IID_ICOMTestInt32 is for ICOMTestInt32 interfaces.
//
// {E3DEDEE7-38A2-4540-91D1-2EEF1D8891B0}
IID_ICOMTestInt32 = NewGUID("{E3DEDEE7-38A2-4540-91D1-2EEF1D8891B0}")
// IID_ICOMTestInt64 is for ICOMTestInt64 interfaces.
//
// {8D437CBC-B3ED-485C-BC32-C336432A1623}
IID_ICOMTestInt64 = NewGUID("{8D437CBC-B3ED-485C-BC32-C336432A1623}")
// IID_ICOMTestFloat is for ICOMTestFloat interfaces.
//
// {BF1ED004-EA02-456A-AA55-2AC8AC6B054C}
IID_ICOMTestFloat = NewGUID("{BF1ED004-EA02-456A-AA55-2AC8AC6B054C}")
// IID_ICOMTestDouble is for ICOMTestDouble interfaces.
//
// {BF908A81-8687-4E93-999F-D86FAB284BA0}
IID_ICOMTestDouble = NewGUID("{BF908A81-8687-4E93-999F-D86FAB284BA0}")
// IID_ICOMTestBoolean is for ICOMTestBoolean interfaces.
//
// {D530E7A6-4EE8-40D1-8931-3D63B8605010}
IID_ICOMTestBoolean = NewGUID("{D530E7A6-4EE8-40D1-8931-3D63B8605010}")
// IID_ICOMEchoTestObject is for ICOMEchoTestObject interfaces.
//
// {6485B1EF-D780-4834-A4FE-1EBB51746CA3}
IID_ICOMEchoTestObject = NewGUID("{6485B1EF-D780-4834-A4FE-1EBB51746CA3}")
// IID_ICOMTestTypes is for ICOMTestTypes interfaces.
//
// {CCA8D7AE-91C0-4277-A8B3-FF4EDF28D3C0}
IID_ICOMTestTypes = NewGUID("{CCA8D7AE-91C0-4277-A8B3-FF4EDF28D3C0}")
// CLSID_COMEchoTestObject is for COMEchoTestObject class.
//
// {3C24506A-AE9E-4D50-9157-EF317281F1B0}
CLSID_COMEchoTestObject = NewGUID("{3C24506A-AE9E-4D50-9157-EF317281F1B0}")
// CLSID_COMTestScalarClass is for COMTestScalarClass class.
//
// {865B85C5-0334-4AC6-9EF6-AACEC8FC5E86}
CLSID_COMTestScalarClass = NewGUID("{865B85C5-0334-4AC6-9EF6-AACEC8FC5E86}")
)
const hextable = "0123456789ABCDEF"
const emptyGUID = "{00000000-0000-0000-0000-000000000000}"
// GUID is Windows API specific GUID type.
//
// This exists to match Windows GUID type for direct passing for COM.
// Format is in xxxxxxxx-xxxx-xxxx-xxxxxxxxxxxxxxxx.
type GUID struct {
Data1 uint32
Data2 uint16
Data3 uint16
Data4 [8]byte
}
// NewGUID converts the given string into a globally unique identifier that is
// compliant with the Windows API.
//
// The supplied string may be in any of these formats:
//
// XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
// XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
// {XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}
//
// The conversion of the supplied string is not case-sensitive.
func NewGUID(guid string) *GUID {
d := []byte(guid)
var d1, d2, d3, d4a, d4b []byte
switch len(d) {
case 38:
if d[0] != '{' || d[37] != '}' {
return nil
}
d = d[1:37]
fallthrough
case 36:
if d[8] != '-' || d[13] != '-' || d[18] != '-' || d[23] != '-' {
return nil
}
d1 = d[0:8]
d2 = d[9:13]
d3 = d[14:18]
d4a = d[19:23]
d4b = d[24:36]
case 32:
d1 = d[0:8]
d2 = d[8:12]
d3 = d[12:16]
d4a = d[16:20]
d4b = d[20:32]
default:
return nil
}
var g GUID
var ok1, ok2, ok3, ok4 bool
g.Data1, ok1 = decodeHexUint32(d1)
g.Data2, ok2 = decodeHexUint16(d2)
g.Data3, ok3 = decodeHexUint16(d3)
g.Data4, ok4 = decodeHexByte64(d4a, d4b)
if ok1 && ok2 && ok3 && ok4 {
return &g
}
return nil
}
func decodeHexUint32(src []byte) (value uint32, ok bool) {
var b1, b2, b3, b4 byte
var ok1, ok2, ok3, ok4 bool
b1, ok1 = decodeHexByte(src[0], src[1])
b2, ok2 = decodeHexByte(src[2], src[3])
b3, ok3 = decodeHexByte(src[4], src[5])
b4, ok4 = decodeHexByte(src[6], src[7])
value = (uint32(b1) << 24) | (uint32(b2) << 16) | (uint32(b3) << 8) | uint32(b4)
ok = ok1 && ok2 && ok3 && ok4
return
}
func decodeHexUint16(src []byte) (value uint16, ok bool) {
var b1, b2 byte
var ok1, ok2 bool
b1, ok1 = decodeHexByte(src[0], src[1])
b2, ok2 = decodeHexByte(src[2], src[3])
value = (uint16(b1) << 8) | uint16(b2)
ok = ok1 && ok2
return
}
func decodeHexByte64(s1 []byte, s2 []byte) (value [8]byte, ok bool) {
var ok1, ok2, ok3, ok4, ok5, ok6, ok7, ok8 bool
value[0], ok1 = decodeHexByte(s1[0], s1[1])
value[1], ok2 = decodeHexByte(s1[2], s1[3])
value[2], ok3 = decodeHexByte(s2[0], s2[1])
value[3], ok4 = decodeHexByte(s2[2], s2[3])
value[4], ok5 = decodeHexByte(s2[4], s2[5])
value[5], ok6 = decodeHexByte(s2[6], s2[7])
value[6], ok7 = decodeHexByte(s2[8], s2[9])
value[7], ok8 = decodeHexByte(s2[10], s2[11])
ok = ok1 && ok2 && ok3 && ok4 && ok5 && ok6 && ok7 && ok8
return
}
func decodeHexByte(c1, c2 byte) (value byte, ok bool) {
var n1, n2 byte
var ok1, ok2 bool
n1, ok1 = decodeHexChar(c1)
n2, ok2 = decodeHexChar(c2)
value = (n1 << 4) | n2
ok = ok1 && ok2
return
}
func decodeHexChar(c byte) (byte, bool) {
switch {
case '0' <= c && c <= '9':
return c - '0', true
case 'a' <= c && c <= 'f':
return c - 'a' + 10, true
case 'A' <= c && c <= 'F':
return c - 'A' + 10, true
}
return 0, false
}
// String converts the GUID to string form. It will adhere to this pattern:
//
// {XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}
//
// If the GUID is nil, the string representation of an empty GUID is returned:
//
// {00000000-0000-0000-0000-000000000000}
func (guid *GUID) String() string {
if guid == nil {
return emptyGUID
}
var c [38]byte
c[0] = '{'
putUint32Hex(c[1:9], guid.Data1)
c[9] = '-'
putUint16Hex(c[10:14], guid.Data2)
c[14] = '-'
putUint16Hex(c[15:19], guid.Data3)
c[19] = '-'
putByteHex(c[20:24], guid.Data4[0:2])
c[24] = '-'
putByteHex(c[25:37], guid.Data4[2:8])
c[37] = '}'
return string(c[:])
}
func putUint32Hex(b []byte, v uint32) {
b[0] = hextable[byte(v>>24)>>4]
b[1] = hextable[byte(v>>24)&0x0f]
b[2] = hextable[byte(v>>16)>>4]
b[3] = hextable[byte(v>>16)&0x0f]
b[4] = hextable[byte(v>>8)>>4]
b[5] = hextable[byte(v>>8)&0x0f]
b[6] = hextable[byte(v)>>4]
b[7] = hextable[byte(v)&0x0f]
}
func putUint16Hex(b []byte, v uint16) {
b[0] = hextable[byte(v>>8)>>4]
b[1] = hextable[byte(v>>8)&0x0f]
b[2] = hextable[byte(v)>>4]
b[3] = hextable[byte(v)&0x0f]
}
func putByteHex(dst, src []byte) {
for i := 0; i < len(src); i++ {
dst[i*2] = hextable[src[i]>>4]
dst[i*2+1] = hextable[src[i]&0x0f]
}
}
// IsEqualGUID compares two GUID.
//
// Not constant time comparison.
func IsEqualGUID(guid1 *GUID, guid2 *GUID) bool {
return guid1.Data1 == guid2.Data1 &&
guid1.Data2 == guid2.Data2 &&
guid1.Data3 == guid2.Data3 &&
guid1.Data4[0] == guid2.Data4[0] &&
guid1.Data4[1] == guid2.Data4[1] &&
guid1.Data4[2] == guid2.Data4[2] &&
guid1.Data4[3] == guid2.Data4[3] &&
guid1.Data4[4] == guid2.Data4[4] &&
guid1.Data4[5] == guid2.Data4[5] &&
guid1.Data4[6] == guid2.Data4[6] &&
guid1.Data4[7] == guid2.Data4[7]
}

20
vendor/github.com/go-ole/go-ole/iconnectionpoint.go generated vendored Normal file
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@ -0,0 +1,20 @@
package ole
import "unsafe"
type IConnectionPoint struct {
IUnknown
}
type IConnectionPointVtbl struct {
IUnknownVtbl
GetConnectionInterface uintptr
GetConnectionPointContainer uintptr
Advise uintptr
Unadvise uintptr
EnumConnections uintptr
}
func (v *IConnectionPoint) VTable() *IConnectionPointVtbl {
return (*IConnectionPointVtbl)(unsafe.Pointer(v.RawVTable))
}

21
vendor/github.com/go-ole/go-ole/iconnectionpoint_func.go generated vendored Normal file
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@ -0,0 +1,21 @@
// +build !windows
package ole
import "unsafe"
func (v *IConnectionPoint) GetConnectionInterface(piid **GUID) int32 {
return int32(0)
}
func (v *IConnectionPoint) Advise(unknown *IUnknown) (uint32, error) {
return uint32(0), NewError(E_NOTIMPL)
}
func (v *IConnectionPoint) Unadvise(cookie uint32) error {
return NewError(E_NOTIMPL)
}
func (v *IConnectionPoint) EnumConnections(p *unsafe.Pointer) (err error) {
return NewError(E_NOTIMPL)
}

43
vendor/github.com/go-ole/go-ole/iconnectionpoint_windows.go generated vendored Normal file
View file

@ -0,0 +1,43 @@
// +build windows
package ole
import (
"syscall"
"unsafe"
)
func (v *IConnectionPoint) GetConnectionInterface(piid **GUID) int32 {
// XXX: This doesn't look like it does what it's supposed to
return release((*IUnknown)(unsafe.Pointer(v)))
}
func (v *IConnectionPoint) Advise(unknown *IUnknown) (cookie uint32, err error) {
hr, _, _ := syscall.Syscall(
v.VTable().Advise,
3,
uintptr(unsafe.Pointer(v)),
uintptr(unsafe.Pointer(unknown)),
uintptr(unsafe.Pointer(&cookie)))
if hr != 0 {
err = NewError(hr)
}
return
}
func (v *IConnectionPoint) Unadvise(cookie uint32) (err error) {
hr, _, _ := syscall.Syscall(
v.VTable().Unadvise,
2,
uintptr(unsafe.Pointer(v)),
uintptr(cookie),
0)
if hr != 0 {
err = NewError(hr)
}
return
}
func (v *IConnectionPoint) EnumConnections(p *unsafe.Pointer) error {
return NewError(E_NOTIMPL)
}

17
vendor/github.com/go-ole/go-ole/iconnectionpointcontainer.go generated vendored Normal file
View file

@ -0,0 +1,17 @@
package ole
import "unsafe"
type IConnectionPointContainer struct {
IUnknown
}
type IConnectionPointContainerVtbl struct {
IUnknownVtbl
EnumConnectionPoints uintptr
FindConnectionPoint uintptr
}
func (v *IConnectionPointContainer) VTable() *IConnectionPointContainerVtbl {
return (*IConnectionPointContainerVtbl)(unsafe.Pointer(v.RawVTable))
}

11
vendor/github.com/go-ole/go-ole/iconnectionpointcontainer_func.go generated vendored Normal file
View file

@ -0,0 +1,11 @@
// +build !windows
package ole
func (v *IConnectionPointContainer) EnumConnectionPoints(points interface{}) error {
return NewError(E_NOTIMPL)
}
func (v *IConnectionPointContainer) FindConnectionPoint(iid *GUID, point **IConnectionPoint) error {
return NewError(E_NOTIMPL)
}

25
vendor/github.com/go-ole/go-ole/iconnectionpointcontainer_windows.go generated vendored Normal file
View file

@ -0,0 +1,25 @@
// +build windows
package ole
import (
"syscall"
"unsafe"
)
func (v *IConnectionPointContainer) EnumConnectionPoints(points interface{}) error {
return NewError(E_NOTIMPL)
}
func (v *IConnectionPointContainer) FindConnectionPoint(iid *GUID, point **IConnectionPoint) (err error) {
hr, _, _ := syscall.Syscall(
v.VTable().FindConnectionPoint,
3,
uintptr(unsafe.Pointer(v)),
uintptr(unsafe.Pointer(iid)),
uintptr(unsafe.Pointer(point)))
if hr != 0 {
err = NewError(hr)
}
return
}

94
vendor/github.com/go-ole/go-ole/idispatch.go generated vendored Normal file
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@ -0,0 +1,94 @@
package ole
import "unsafe"
type IDispatch struct {
IUnknown
}
type IDispatchVtbl struct {
IUnknownVtbl
GetTypeInfoCount uintptr
GetTypeInfo uintptr
GetIDsOfNames uintptr
Invoke uintptr
}
func (v *IDispatch) VTable() *IDispatchVtbl {
return (*IDispatchVtbl)(unsafe.Pointer(v.RawVTable))
}
func (v *IDispatch) GetIDsOfName(names []string) (dispid []int32, err error) {
dispid, err = getIDsOfName(v, names)
return
}
func (v *IDispatch) Invoke(dispid int32, dispatch int16, params ...interface{}) (result *VARIANT, err error) {
result, err = invoke(v, dispid, dispatch, params...)
return
}
func (v *IDispatch) GetTypeInfoCount() (c uint32, err error) {
c, err = getTypeInfoCount(v)
return
}
func (v *IDispatch) GetTypeInfo() (tinfo *ITypeInfo, err error) {
tinfo, err = getTypeInfo(v)
return
}
// GetSingleIDOfName is a helper that returns single display ID for IDispatch name.
//
// This replaces the common pattern of attempting to get a single name from the list of available
// IDs. It gives the first ID, if it is available.
func (v *IDispatch) GetSingleIDOfName(name string) (displayID int32, err error) {
var displayIDs []int32
displayIDs, err = v.GetIDsOfName([]string{name})
if err != nil {
return
}
displayID = displayIDs[0]
return
}
// InvokeWithOptionalArgs accepts arguments as an array, works like Invoke.
//
// Accepts name and will attempt to retrieve Display ID to pass to Invoke.
//
// Passing params as an array is a workaround that could be fixed in later versions of Go that
// prevent passing empty params. During testing it was discovered that this is an acceptable way of
// getting around not being able to pass params normally.
func (v *IDispatch) InvokeWithOptionalArgs(name string, dispatch int16, params []interface{}) (result *VARIANT, err error) {
displayID, err := v.GetSingleIDOfName(name)
if err != nil {
return
}
if len(params) < 1 {
result, err = v.Invoke(displayID, dispatch)
} else {
result, err = v.Invoke(displayID, dispatch, params...)
}
return
}
// CallMethod invokes named function with arguments on object.
func (v *IDispatch) CallMethod(name string, params ...interface{}) (*VARIANT, error) {
return v.InvokeWithOptionalArgs(name, DISPATCH_METHOD, params)
}
// GetProperty retrieves the property with the name with the ability to pass arguments.
//
// Most of the time you will not need to pass arguments as most objects do not allow for this
// feature. Or at least, should not allow for this feature. Some servers don't follow best practices
// and this is provided for those edge cases.
func (v *IDispatch) GetProperty(name string, params ...interface{}) (*VARIANT, error) {
return v.InvokeWithOptionalArgs(name, DISPATCH_PROPERTYGET, params)
}
// PutProperty attempts to mutate a property in the object.
func (v *IDispatch) PutProperty(name string, params ...interface{}) (*VARIANT, error) {
return v.InvokeWithOptionalArgs(name, DISPATCH_PROPERTYPUT, params)
}

19
vendor/github.com/go-ole/go-ole/idispatch_func.go generated vendored Normal file
View file

@ -0,0 +1,19 @@
// +build !windows
package ole
func getIDsOfName(disp *IDispatch, names []string) ([]int32, error) {
return []int32{}, NewError(E_NOTIMPL)
}
func getTypeInfoCount(disp *IDispatch) (uint32, error) {
return uint32(0), NewError(E_NOTIMPL)
}
func getTypeInfo(disp *IDispatch) (*ITypeInfo, error) {
return nil, NewError(E_NOTIMPL)
}
func invoke(disp *IDispatch, dispid int32, dispatch int16, params ...interface{}) (*VARIANT, error) {
return nil, NewError(E_NOTIMPL)
}

202
vendor/github.com/go-ole/go-ole/idispatch_windows.go generated vendored Normal file
View file

@ -0,0 +1,202 @@
// +build windows
package ole
import (
"math/big"
"syscall"
"time"
"unsafe"
)
func getIDsOfName(disp *IDispatch, names []string) (dispid []int32, err error) {
wnames := make([]*uint16, len(names))
for i := 0; i < len(names); i++ {
wnames[i] = syscall.StringToUTF16Ptr(names[i])
}
dispid = make([]int32, len(names))
namelen := uint32(len(names))
hr, _, _ := syscall.Syscall6(
disp.VTable().GetIDsOfNames,
6,
uintptr(unsafe.Pointer(disp)),
uintptr(unsafe.Pointer(IID_NULL)),
uintptr(unsafe.Pointer(&wnames[0])),
uintptr(namelen),
uintptr(GetUserDefaultLCID()),
uintptr(unsafe.Pointer(&dispid[0])))
if hr != 0 {
err = NewError(hr)
}
return
}
func getTypeInfoCount(disp *IDispatch) (c uint32, err error) {
hr, _, _ := syscall.Syscall(
disp.VTable().GetTypeInfoCount,
2,
uintptr(unsafe.Pointer(disp)),
uintptr(unsafe.Pointer(&c)),
0)
if hr != 0 {
err = NewError(hr)
}
return
}
func getTypeInfo(disp *IDispatch) (tinfo *ITypeInfo, err error) {
hr, _, _ := syscall.Syscall(
disp.VTable().GetTypeInfo,
3,
uintptr(unsafe.Pointer(disp)),
uintptr(GetUserDefaultLCID()),
uintptr(unsafe.Pointer(&tinfo)))
if hr != 0 {
err = NewError(hr)
}
return
}
func invoke(disp *IDispatch, dispid int32, dispatch int16, params ...interface{}) (result *VARIANT, err error) {
var dispparams DISPPARAMS
if dispatch&DISPATCH_PROPERTYPUT != 0 {
dispnames := [1]int32{DISPID_PROPERTYPUT}
dispparams.rgdispidNamedArgs = uintptr(unsafe.Pointer(&dispnames[0]))
dispparams.cNamedArgs = 1
} else if dispatch&DISPATCH_PROPERTYPUTREF != 0 {
dispnames := [1]int32{DISPID_PROPERTYPUT}
dispparams.rgdispidNamedArgs = uintptr(unsafe.Pointer(&dispnames[0]))
dispparams.cNamedArgs = 1
}
var vargs []VARIANT
if len(params) > 0 {
vargs = make([]VARIANT, len(params))
for i, v := range params {
//n := len(params)-i-1
n := len(params) - i - 1
VariantInit(&vargs[n])
switch vv := v.(type) {
case bool:
if vv {
vargs[n] = NewVariant(VT_BOOL, 0xffff)
} else {
vargs[n] = NewVariant(VT_BOOL, 0)
}
case *bool:
vargs[n] = NewVariant(VT_BOOL|VT_BYREF, int64(uintptr(unsafe.Pointer(v.(*bool)))))
case uint8:
vargs[n] = NewVariant(VT_I1, int64(v.(uint8)))
case *uint8:
vargs[n] = NewVariant(VT_I1|VT_BYREF, int64(uintptr(unsafe.Pointer(v.(*uint8)))))
case int8:
vargs[n] = NewVariant(VT_I1, int64(v.(int8)))
case *int8:
vargs[n] = NewVariant(VT_I1|VT_BYREF, int64(uintptr(unsafe.Pointer(v.(*uint8)))))
case int16:
vargs[n] = NewVariant(VT_I2, int64(v.(int16)))
case *int16:
vargs[n] = NewVariant(VT_I2|VT_BYREF, int64(uintptr(unsafe.Pointer(v.(*int16)))))
case uint16:
vargs[n] = NewVariant(VT_UI2, int64(v.(uint16)))
case *uint16:
vargs[n] = NewVariant(VT_UI2|VT_BYREF, int64(uintptr(unsafe.Pointer(v.(*uint16)))))
case int32:
vargs[n] = NewVariant(VT_I4, int64(v.(int32)))
case *int32:
vargs[n] = NewVariant(VT_I4|VT_BYREF, int64(uintptr(unsafe.Pointer(v.(*int32)))))
case uint32:
vargs[n] = NewVariant(VT_UI4, int64(v.(uint32)))
case *uint32:
vargs[n] = NewVariant(VT_UI4|VT_BYREF, int64(uintptr(unsafe.Pointer(v.(*uint32)))))
case int64:
vargs[n] = NewVariant(VT_I8, int64(v.(int64)))
case *int64:
vargs[n] = NewVariant(VT_I8|VT_BYREF, int64(uintptr(unsafe.Pointer(v.(*int64)))))
case uint64:
vargs[n] = NewVariant(VT_UI8, int64(uintptr(v.(uint64))))
case *uint64:
vargs[n] = NewVariant(VT_UI8|VT_BYREF, int64(uintptr(unsafe.Pointer(v.(*uint64)))))
case int:
vargs[n] = NewVariant(VT_I4, int64(v.(int)))
case *int:
vargs[n] = NewVariant(VT_I4|VT_BYREF, int64(uintptr(unsafe.Pointer(v.(*int)))))
case uint:
vargs[n] = NewVariant(VT_UI4, int64(v.(uint)))
case *uint:
vargs[n] = NewVariant(VT_UI4|VT_BYREF, int64(uintptr(unsafe.Pointer(v.(*uint)))))
case float32:
vargs[n] = NewVariant(VT_R4, *(*int64)(unsafe.Pointer(&vv)))
case *float32:
vargs[n] = NewVariant(VT_R4|VT_BYREF, int64(uintptr(unsafe.Pointer(v.(*float32)))))
case float64:
vargs[n] = NewVariant(VT_R8, *(*int64)(unsafe.Pointer(&vv)))
case *float64:
vargs[n] = NewVariant(VT_R8|VT_BYREF, int64(uintptr(unsafe.Pointer(v.(*float64)))))
case *big.Int:
vargs[n] = NewVariant(VT_DECIMAL, v.(*big.Int).Int64())
case string:
vargs[n] = NewVariant(VT_BSTR, int64(uintptr(unsafe.Pointer(SysAllocStringLen(v.(string))))))
case *string:
vargs[n] = NewVariant(VT_BSTR|VT_BYREF, int64(uintptr(unsafe.Pointer(v.(*string)))))
case time.Time:
s := vv.Format("2006-01-02 15:04:05")
vargs[n] = NewVariant(VT_BSTR, int64(uintptr(unsafe.Pointer(SysAllocStringLen(s)))))
case *time.Time:
s := vv.Format("2006-01-02 15:04:05")
vargs[n] = NewVariant(VT_BSTR|VT_BYREF, int64(uintptr(unsafe.Pointer(&s))))
case *IDispatch:
vargs[n] = NewVariant(VT_DISPATCH, int64(uintptr(unsafe.Pointer(v.(*IDispatch)))))
case **IDispatch:
vargs[n] = NewVariant(VT_DISPATCH|VT_BYREF, int64(uintptr(unsafe.Pointer(v.(**IDispatch)))))
case nil:
vargs[n] = NewVariant(VT_NULL, 0)
case *VARIANT:
vargs[n] = NewVariant(VT_VARIANT|VT_BYREF, int64(uintptr(unsafe.Pointer(v.(*VARIANT)))))
case []byte:
safeByteArray := safeArrayFromByteSlice(v.([]byte))
vargs[n] = NewVariant(VT_ARRAY|VT_UI1, int64(uintptr(unsafe.Pointer(safeByteArray))))
defer VariantClear(&vargs[n])
case []string:
safeByteArray := safeArrayFromStringSlice(v.([]string))
vargs[n] = NewVariant(VT_ARRAY|VT_BSTR, int64(uintptr(unsafe.Pointer(safeByteArray))))
defer VariantClear(&vargs[n])
default:
panic("unknown type")
}
}
dispparams.rgvarg = uintptr(unsafe.Pointer(&vargs[0]))
dispparams.cArgs = uint32(len(params))
}
result = new(VARIANT)
var excepInfo EXCEPINFO
VariantInit(result)
hr, _, _ := syscall.Syscall9(
disp.VTable().Invoke,
9,
uintptr(unsafe.Pointer(disp)),
uintptr(dispid),
uintptr(unsafe.Pointer(IID_NULL)),
uintptr(GetUserDefaultLCID()),
uintptr(dispatch),
uintptr(unsafe.Pointer(&dispparams)),
uintptr(unsafe.Pointer(result)),
uintptr(unsafe.Pointer(&excepInfo)),
0)
if hr != 0 {
excepInfo.renderStrings()
excepInfo.Clear()
err = NewErrorWithSubError(hr, excepInfo.description, excepInfo)
}
for i, varg := range vargs {
n := len(params) - i - 1
if varg.VT == VT_BSTR && varg.Val != 0 {
SysFreeString(((*int16)(unsafe.Pointer(uintptr(varg.Val)))))
}
if varg.VT == (VT_BSTR|VT_BYREF) && varg.Val != 0 {
*(params[n].(*string)) = LpOleStrToString(*(**uint16)(unsafe.Pointer(uintptr(varg.Val))))
}
}
return
}

19
vendor/github.com/go-ole/go-ole/ienumvariant.go generated vendored Normal file
View file

@ -0,0 +1,19 @@
package ole
import "unsafe"
type IEnumVARIANT struct {
IUnknown
}
type IEnumVARIANTVtbl struct {
IUnknownVtbl
Next uintptr
Skip uintptr
Reset uintptr
Clone uintptr
}
func (v *IEnumVARIANT) VTable() *IEnumVARIANTVtbl {
return (*IEnumVARIANTVtbl)(unsafe.Pointer(v.RawVTable))
}

19
vendor/github.com/go-ole/go-ole/ienumvariant_func.go generated vendored Normal file
View file

@ -0,0 +1,19 @@
// +build !windows
package ole
func (enum *IEnumVARIANT) Clone() (*IEnumVARIANT, error) {
return nil, NewError(E_NOTIMPL)
}
func (enum *IEnumVARIANT) Reset() error {
return NewError(E_NOTIMPL)
}
func (enum *IEnumVARIANT) Skip(celt uint) error {
return NewError(E_NOTIMPL)
}
func (enum *IEnumVARIANT) Next(celt uint) (VARIANT, uint, error) {
return NewVariant(VT_NULL, int64(0)), 0, NewError(E_NOTIMPL)
}

63
vendor/github.com/go-ole/go-ole/ienumvariant_windows.go generated vendored Normal file
View file

@ -0,0 +1,63 @@
// +build windows
package ole
import (
"syscall"
"unsafe"
)
func (enum *IEnumVARIANT) Clone() (cloned *IEnumVARIANT, err error) {
hr, _, _ := syscall.Syscall(
enum.VTable().Clone,
2,
uintptr(unsafe.Pointer(enum)),
uintptr(unsafe.Pointer(&cloned)),
0)
if hr != 0 {
err = NewError(hr)
}
return
}
func (enum *IEnumVARIANT) Reset() (err error) {
hr, _, _ := syscall.Syscall(
enum.VTable().Reset,
1,
uintptr(unsafe.Pointer(enum)),
0,
0)
if hr != 0 {
err = NewError(hr)
}
return
}
func (enum *IEnumVARIANT) Skip(celt uint) (err error) {
hr, _, _ := syscall.Syscall(
enum.VTable().Skip,
2,
uintptr(unsafe.Pointer(enum)),
uintptr(celt),
0)
if hr != 0 {
err = NewError(hr)
}
return
}
func (enum *IEnumVARIANT) Next(celt uint) (array VARIANT, length uint, err error) {
hr, _, _ := syscall.Syscall6(
enum.VTable().Next,
4,
uintptr(unsafe.Pointer(enum)),
uintptr(celt),
uintptr(unsafe.Pointer(&array)),
uintptr(unsafe.Pointer(&length)),
0,
0)
if hr != 0 {
err = NewError(hr)
}
return
}

18
vendor/github.com/go-ole/go-ole/iinspectable.go generated vendored Normal file
View file

@ -0,0 +1,18 @@
package ole
import "unsafe"
type IInspectable struct {
IUnknown
}
type IInspectableVtbl struct {
IUnknownVtbl
GetIIds uintptr
GetRuntimeClassName uintptr
GetTrustLevel uintptr
}
func (v *IInspectable) VTable() *IInspectableVtbl {
return (*IInspectableVtbl)(unsafe.Pointer(v.RawVTable))
}

15
vendor/github.com/go-ole/go-ole/iinspectable_func.go generated vendored Normal file
View file

@ -0,0 +1,15 @@
// +build !windows
package ole
func (v *IInspectable) GetIids() ([]*GUID, error) {
return []*GUID{}, NewError(E_NOTIMPL)
}
func (v *IInspectable) GetRuntimeClassName() (string, error) {
return "", NewError(E_NOTIMPL)
}
func (v *IInspectable) GetTrustLevel() (uint32, error) {
return uint32(0), NewError(E_NOTIMPL)
}

72
vendor/github.com/go-ole/go-ole/iinspectable_windows.go generated vendored Normal file
View file

@ -0,0 +1,72 @@
// +build windows
package ole
import (
"bytes"
"encoding/binary"
"reflect"
"syscall"
"unsafe"
)
func (v *IInspectable) GetIids() (iids []*GUID, err error) {
var count uint32
var array uintptr
hr, _, _ := syscall.Syscall(
v.VTable().GetIIds,
3,
uintptr(unsafe.Pointer(v)),
uintptr(unsafe.Pointer(&count)),
uintptr(unsafe.Pointer(&array)))
if hr != 0 {
err = NewError(hr)
return
}
defer CoTaskMemFree(array)
iids = make([]*GUID, count)
byteCount := count * uint32(unsafe.Sizeof(GUID{}))
slicehdr := reflect.SliceHeader{Data: array, Len: int(byteCount), Cap: int(byteCount)}
byteSlice := *(*[]byte)(unsafe.Pointer(&slicehdr))
reader := bytes.NewReader(byteSlice)
for i := range iids {
guid := GUID{}
err = binary.Read(reader, binary.LittleEndian, &guid)
if err != nil {
return
}
iids[i] = &guid
}
return
}
func (v *IInspectable) GetRuntimeClassName() (s string, err error) {
var hstring HString
hr, _, _ := syscall.Syscall(
v.VTable().GetRuntimeClassName,
2,
uintptr(unsafe.Pointer(v)),
uintptr(unsafe.Pointer(&hstring)),
0)
if hr != 0 {
err = NewError(hr)
return
}
s = hstring.String()
DeleteHString(hstring)
return
}
func (v *IInspectable) GetTrustLevel() (level uint32, err error) {
hr, _, _ := syscall.Syscall(
v.VTable().GetTrustLevel,
2,
uintptr(unsafe.Pointer(v)),
uintptr(unsafe.Pointer(&level)),
0)
if hr != 0 {
err = NewError(hr)
}
return
}

21
vendor/github.com/go-ole/go-ole/iprovideclassinfo.go generated vendored Normal file
View file

@ -0,0 +1,21 @@
package ole
import "unsafe"
type IProvideClassInfo struct {
IUnknown
}
type IProvideClassInfoVtbl struct {
IUnknownVtbl
GetClassInfo uintptr
}
func (v *IProvideClassInfo) VTable() *IProvideClassInfoVtbl {
return (*IProvideClassInfoVtbl)(unsafe.Pointer(v.RawVTable))
}
func (v *IProvideClassInfo) GetClassInfo() (cinfo *ITypeInfo, err error) {
cinfo, err = getClassInfo(v)
return
}

7
vendor/github.com/go-ole/go-ole/iprovideclassinfo_func.go generated vendored Normal file
View file

@ -0,0 +1,7 @@
// +build !windows
package ole
func getClassInfo(disp *IProvideClassInfo) (tinfo *ITypeInfo, err error) {
return nil, NewError(E_NOTIMPL)
}

21
vendor/github.com/go-ole/go-ole/iprovideclassinfo_windows.go generated vendored Normal file
View file

@ -0,0 +1,21 @@
// +build windows
package ole
import (
"syscall"
"unsafe"
)
func getClassInfo(disp *IProvideClassInfo) (tinfo *ITypeInfo, err error) {
hr, _, _ := syscall.Syscall(
disp.VTable().GetClassInfo,
2,
uintptr(unsafe.Pointer(disp)),
uintptr(unsafe.Pointer(&tinfo)),
0)
if hr != 0 {
err = NewError(hr)
}
return
}

34
vendor/github.com/go-ole/go-ole/itypeinfo.go generated vendored Normal file
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package ole
import "unsafe"
type ITypeInfo struct {
IUnknown
}
type ITypeInfoVtbl struct {
IUnknownVtbl
GetTypeAttr uintptr
GetTypeComp uintptr
GetFuncDesc uintptr
GetVarDesc uintptr
GetNames uintptr
GetRefTypeOfImplType uintptr
GetImplTypeFlags uintptr
GetIDsOfNames uintptr
Invoke uintptr
GetDocumentation uintptr
GetDllEntry uintptr
GetRefTypeInfo uintptr
AddressOfMember uintptr
CreateInstance uintptr
GetMops uintptr
GetContainingTypeLib uintptr
ReleaseTypeAttr uintptr
ReleaseFuncDesc uintptr
ReleaseVarDesc uintptr
}
func (v *ITypeInfo) VTable() *ITypeInfoVtbl {
return (*ITypeInfoVtbl)(unsafe.Pointer(v.RawVTable))
}

7
vendor/github.com/go-ole/go-ole/itypeinfo_func.go generated vendored Normal file
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// +build !windows
package ole
func (v *ITypeInfo) GetTypeAttr() (*TYPEATTR, error) {
return nil, NewError(E_NOTIMPL)
}

21
vendor/github.com/go-ole/go-ole/itypeinfo_windows.go generated vendored Normal file
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// +build windows
package ole
import (
"syscall"
"unsafe"
)
func (v *ITypeInfo) GetTypeAttr() (tattr *TYPEATTR, err error) {
hr, _, _ := syscall.Syscall(
uintptr(v.VTable().GetTypeAttr),
2,
uintptr(unsafe.Pointer(v)),
uintptr(unsafe.Pointer(&tattr)),
0)
if hr != 0 {
err = NewError(hr)
}
return
}

57
vendor/github.com/go-ole/go-ole/iunknown.go generated vendored Normal file
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package ole
import "unsafe"
type IUnknown struct {
RawVTable *interface{}
}
type IUnknownVtbl struct {
QueryInterface uintptr
AddRef uintptr
Release uintptr
}
type UnknownLike interface {
QueryInterface(iid *GUID) (disp *IDispatch, err error)
AddRef() int32
Release() int32
}
func (v *IUnknown) VTable() *IUnknownVtbl {
return (*IUnknownVtbl)(unsafe.Pointer(v.RawVTable))
}
func (v *IUnknown) PutQueryInterface(interfaceID *GUID, obj interface{}) error {
return reflectQueryInterface(v, v.VTable().QueryInterface, interfaceID, obj)
}
func (v *IUnknown) IDispatch(interfaceID *GUID) (dispatch *IDispatch, err error) {
err = v.PutQueryInterface(interfaceID, &dispatch)
return
}
func (v *IUnknown) IEnumVARIANT(interfaceID *GUID) (enum *IEnumVARIANT, err error) {
err = v.PutQueryInterface(interfaceID, &enum)
return
}
func (v *IUnknown) QueryInterface(iid *GUID) (*IDispatch, error) {
return queryInterface(v, iid)
}
func (v *IUnknown) MustQueryInterface(iid *GUID) (disp *IDispatch) {
unk, err := queryInterface(v, iid)
if err != nil {
panic(err)
}
return unk
}
func (v *IUnknown) AddRef() int32 {
return addRef(v)
}
func (v *IUnknown) Release() int32 {
return release(v)
}

19
vendor/github.com/go-ole/go-ole/iunknown_func.go generated vendored Normal file
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// +build !windows
package ole
func reflectQueryInterface(self interface{}, method uintptr, interfaceID *GUID, obj interface{}) (err error) {
return NewError(E_NOTIMPL)
}
func queryInterface(unk *IUnknown, iid *GUID) (disp *IDispatch, err error) {
return nil, NewError(E_NOTIMPL)
}
func addRef(unk *IUnknown) int32 {
return 0
}
func release(unk *IUnknown) int32 {
return 0
}

58
vendor/github.com/go-ole/go-ole/iunknown_windows.go generated vendored Normal file
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// +build windows
package ole
import (
"reflect"
"syscall"
"unsafe"
)
func reflectQueryInterface(self interface{}, method uintptr, interfaceID *GUID, obj interface{}) (err error) {
selfValue := reflect.ValueOf(self).Elem()
objValue := reflect.ValueOf(obj).Elem()
hr, _, _ := syscall.Syscall(
method,
3,
selfValue.UnsafeAddr(),
uintptr(unsafe.Pointer(interfaceID)),
objValue.Addr().Pointer())
if hr != 0 {
err = NewError(hr)
}
return
}
func queryInterface(unk *IUnknown, iid *GUID) (disp *IDispatch, err error) {
hr, _, _ := syscall.Syscall(
unk.VTable().QueryInterface,
3,
uintptr(unsafe.Pointer(unk)),
uintptr(unsafe.Pointer(iid)),
uintptr(unsafe.Pointer(&disp)))
if hr != 0 {
err = NewError(hr)
}
return
}
func addRef(unk *IUnknown) int32 {
ret, _, _ := syscall.Syscall(
unk.VTable().AddRef,
1,
uintptr(unsafe.Pointer(unk)),
0,
0)
return int32(ret)
}
func release(unk *IUnknown) int32 {
ret, _, _ := syscall.Syscall(
unk.VTable().Release,
1,
uintptr(unsafe.Pointer(unk)),
0,
0)
return int32(ret)
}

190
vendor/github.com/go-ole/go-ole/ole.go generated vendored Normal file
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package ole
import (
"fmt"
"strings"
"unsafe"
)
// DISPPARAMS are the arguments that passed to methods or property.
type DISPPARAMS struct {
rgvarg uintptr
rgdispidNamedArgs uintptr
cArgs uint32
cNamedArgs uint32
}
// EXCEPINFO defines exception info.
type EXCEPINFO struct {
wCode uint16
wReserved uint16
bstrSource *uint16
bstrDescription *uint16
bstrHelpFile *uint16
dwHelpContext uint32
pvReserved uintptr
pfnDeferredFillIn uintptr
scode uint32
// Go-specific part. Don't move upper cos it'll break structure layout for native code.
rendered bool
source string
description string
helpFile string
}
// renderStrings translates BSTR strings to Go ones so `.Error` and `.String`
// could be safely called after `.Clear`. We need this when we can't rely on
// a caller to call `.Clear`.
func (e *EXCEPINFO) renderStrings() {
e.rendered = true
if e.bstrSource == nil {
e.source = "<nil>"
} else {
e.source = BstrToString(e.bstrSource)
}
if e.bstrDescription == nil {
e.description = "<nil>"
} else {
e.description = BstrToString(e.bstrDescription)
}
if e.bstrHelpFile == nil {
e.helpFile = "<nil>"
} else {
e.helpFile = BstrToString(e.bstrHelpFile)
}
}
// Clear frees BSTR strings inside an EXCEPINFO and set it to NULL.
func (e *EXCEPINFO) Clear() {
freeBSTR := func(s *uint16) {
// SysFreeString don't return errors and is safe for call's on NULL.
// https://docs.microsoft.com/en-us/windows/win32/api/oleauto/nf-oleauto-sysfreestring
_ = SysFreeString((*int16)(unsafe.Pointer(s)))
}
if e.bstrSource != nil {
freeBSTR(e.bstrSource)
e.bstrSource = nil
}
if e.bstrDescription != nil {
freeBSTR(e.bstrDescription)
e.bstrDescription = nil
}
if e.bstrHelpFile != nil {
freeBSTR(e.bstrHelpFile)
e.bstrHelpFile = nil
}
}
// WCode return wCode in EXCEPINFO.
func (e EXCEPINFO) WCode() uint16 {
return e.wCode
}
// SCODE return scode in EXCEPINFO.
func (e EXCEPINFO) SCODE() uint32 {
return e.scode
}
// String convert EXCEPINFO to string.
func (e EXCEPINFO) String() string {
if !e.rendered {
e.renderStrings()
}
return fmt.Sprintf(
"wCode: %#x, bstrSource: %v, bstrDescription: %v, bstrHelpFile: %v, dwHelpContext: %#x, scode: %#x",
e.wCode, e.source, e.description, e.helpFile, e.dwHelpContext, e.scode,
)
}
// Error implements error interface and returns error string.
func (e EXCEPINFO) Error() string {
if !e.rendered {
e.renderStrings()
}
if e.description != "<nil>" {
return strings.TrimSpace(e.description)
}
code := e.scode
if e.wCode != 0 {
code = uint32(e.wCode)
}
return fmt.Sprintf("%v: %#x", e.source, code)
}
// PARAMDATA defines parameter data type.
type PARAMDATA struct {
Name *int16
Vt uint16
}
// METHODDATA defines method info.
type METHODDATA struct {
Name *uint16
Data *PARAMDATA
Dispid int32
Meth uint32
CC int32
CArgs uint32
Flags uint16
VtReturn uint32
}
// INTERFACEDATA defines interface info.
type INTERFACEDATA struct {
MethodData *METHODDATA
CMembers uint32
}
// Point is 2D vector type.
type Point struct {
X int32
Y int32
}
// Msg is message between processes.
type Msg struct {
Hwnd uint32
Message uint32
Wparam int32
Lparam int32
Time uint32
Pt Point
}
// TYPEDESC defines data type.
type TYPEDESC struct {
Hreftype uint32
VT uint16
}
// IDLDESC defines IDL info.
type IDLDESC struct {
DwReserved uint32
WIDLFlags uint16
}
// TYPEATTR defines type info.
type TYPEATTR struct {
Guid GUID
Lcid uint32
dwReserved uint32
MemidConstructor int32
MemidDestructor int32
LpstrSchema *uint16
CbSizeInstance uint32
Typekind int32
CFuncs uint16
CVars uint16
CImplTypes uint16
CbSizeVft uint16
CbAlignment uint16
WTypeFlags uint16
WMajorVerNum uint16
WMinorVerNum uint16
TdescAlias TYPEDESC
IdldescType IDLDESC
}

27
vendor/github.com/go-ole/go-ole/safearray.go generated vendored Normal file
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// Package is meant to retrieve and process safe array data returned from COM.
package ole
// SafeArrayBound defines the SafeArray boundaries.
type SafeArrayBound struct {
Elements uint32
LowerBound int32
}
// SafeArray is how COM handles arrays.
type SafeArray struct {
Dimensions uint16
FeaturesFlag uint16
ElementsSize uint32
LocksAmount uint32
Data uint32
Bounds [16]byte
}
// SAFEARRAY is obsolete, exists for backwards compatibility.
// Use SafeArray
type SAFEARRAY SafeArray
// SAFEARRAYBOUND is obsolete, exists for backwards compatibility.
// Use SafeArrayBound
type SAFEARRAYBOUND SafeArrayBound

211
vendor/github.com/go-ole/go-ole/safearray_func.go generated vendored Normal file
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// +build !windows
package ole
import (
"unsafe"
)
// safeArrayAccessData returns raw array pointer.
//
// AKA: SafeArrayAccessData in Windows API.
func safeArrayAccessData(safearray *SafeArray) (uintptr, error) {
return uintptr(0), NewError(E_NOTIMPL)
}
// safeArrayUnaccessData releases raw array.
//
// AKA: SafeArrayUnaccessData in Windows API.
func safeArrayUnaccessData(safearray *SafeArray) error {
return NewError(E_NOTIMPL)
}
// safeArrayAllocData allocates SafeArray.
//
// AKA: SafeArrayAllocData in Windows API.
func safeArrayAllocData(safearray *SafeArray) error {
return NewError(E_NOTIMPL)
}
// safeArrayAllocDescriptor allocates SafeArray.
//
// AKA: SafeArrayAllocDescriptor in Windows API.
func safeArrayAllocDescriptor(dimensions uint32) (*SafeArray, error) {
return nil, NewError(E_NOTIMPL)
}
// safeArrayAllocDescriptorEx allocates SafeArray.
//
// AKA: SafeArrayAllocDescriptorEx in Windows API.
func safeArrayAllocDescriptorEx(variantType VT, dimensions uint32) (*SafeArray, error) {
return nil, NewError(E_NOTIMPL)
}
// safeArrayCopy returns copy of SafeArray.
//
// AKA: SafeArrayCopy in Windows API.
func safeArrayCopy(original *SafeArray) (*SafeArray, error) {
return nil, NewError(E_NOTIMPL)
}
// safeArrayCopyData duplicates SafeArray into another SafeArray object.
//
// AKA: SafeArrayCopyData in Windows API.
func safeArrayCopyData(original *SafeArray, duplicate *SafeArray) error {
return NewError(E_NOTIMPL)
}
// safeArrayCreate creates SafeArray.
//
// AKA: SafeArrayCreate in Windows API.
func safeArrayCreate(variantType VT, dimensions uint32, bounds *SafeArrayBound) (*SafeArray, error) {
return nil, NewError(E_NOTIMPL)
}
// safeArrayCreateEx creates SafeArray.
//
// AKA: SafeArrayCreateEx in Windows API.
func safeArrayCreateEx(variantType VT, dimensions uint32, bounds *SafeArrayBound, extra uintptr) (*SafeArray, error) {
return nil, NewError(E_NOTIMPL)
}
// safeArrayCreateVector creates SafeArray.
//
// AKA: SafeArrayCreateVector in Windows API.
func safeArrayCreateVector(variantType VT, lowerBound int32, length uint32) (*SafeArray, error) {
return nil, NewError(E_NOTIMPL)
}
// safeArrayCreateVectorEx creates SafeArray.
//
// AKA: SafeArrayCreateVectorEx in Windows API.
func safeArrayCreateVectorEx(variantType VT, lowerBound int32, length uint32, extra uintptr) (*SafeArray, error) {
return nil, NewError(E_NOTIMPL)
}
// safeArrayDestroy destroys SafeArray object.
//
// AKA: SafeArrayDestroy in Windows API.
func safeArrayDestroy(safearray *SafeArray) error {
return NewError(E_NOTIMPL)
}
// safeArrayDestroyData destroys SafeArray object.
//
// AKA: SafeArrayDestroyData in Windows API.
func safeArrayDestroyData(safearray *SafeArray) error {
return NewError(E_NOTIMPL)
}
// safeArrayDestroyDescriptor destroys SafeArray object.
//
// AKA: SafeArrayDestroyDescriptor in Windows API.
func safeArrayDestroyDescriptor(safearray *SafeArray) error {
return NewError(E_NOTIMPL)
}
// safeArrayGetDim is the amount of dimensions in the SafeArray.
//
// SafeArrays may have multiple dimensions. Meaning, it could be
// multidimensional array.
//
// AKA: SafeArrayGetDim in Windows API.
func safeArrayGetDim(safearray *SafeArray) (*uint32, error) {
u := uint32(0)
return &u, NewError(E_NOTIMPL)
}
// safeArrayGetElementSize is the element size in bytes.
//
// AKA: SafeArrayGetElemsize in Windows API.
func safeArrayGetElementSize(safearray *SafeArray) (*uint32, error) {
u := uint32(0)
return &u, NewError(E_NOTIMPL)
}
// safeArrayGetElement retrieves element at given index.
func safeArrayGetElement(safearray *SafeArray, index int32, pv unsafe.Pointer) error {
return NewError(E_NOTIMPL)
}
// safeArrayGetElement retrieves element at given index and converts to string.
func safeArrayGetElementString(safearray *SafeArray, index int32) (string, error) {
return "", NewError(E_NOTIMPL)
}
// safeArrayGetIID is the InterfaceID of the elements in the SafeArray.
//
// AKA: SafeArrayGetIID in Windows API.
func safeArrayGetIID(safearray *SafeArray) (*GUID, error) {
return nil, NewError(E_NOTIMPL)
}
// safeArrayGetLBound returns lower bounds of SafeArray.
//
// SafeArrays may have multiple dimensions. Meaning, it could be
// multidimensional array.
//
// AKA: SafeArrayGetLBound in Windows API.
func safeArrayGetLBound(safearray *SafeArray, dimension uint32) (int32, error) {
return int32(0), NewError(E_NOTIMPL)
}
// safeArrayGetUBound returns upper bounds of SafeArray.
//
// SafeArrays may have multiple dimensions. Meaning, it could be
// multidimensional array.
//
// AKA: SafeArrayGetUBound in Windows API.
func safeArrayGetUBound(safearray *SafeArray, dimension uint32) (int32, error) {
return int32(0), NewError(E_NOTIMPL)
}
// safeArrayGetVartype returns data type of SafeArray.
//
// AKA: SafeArrayGetVartype in Windows API.
func safeArrayGetVartype(safearray *SafeArray) (uint16, error) {
return uint16(0), NewError(E_NOTIMPL)
}
// safeArrayLock locks SafeArray for reading to modify SafeArray.
//
// This must be called during some calls to ensure that another process does not
// read or write to the SafeArray during editing.
//
// AKA: SafeArrayLock in Windows API.
func safeArrayLock(safearray *SafeArray) error {
return NewError(E_NOTIMPL)
}
// safeArrayUnlock unlocks SafeArray for reading.
//
// AKA: SafeArrayUnlock in Windows API.
func safeArrayUnlock(safearray *SafeArray) error {
return NewError(E_NOTIMPL)
}
// safeArrayPutElement stores the data element at the specified location in the
// array.
//
// AKA: SafeArrayPutElement in Windows API.
func safeArrayPutElement(safearray *SafeArray, index int64, element uintptr) error {
return NewError(E_NOTIMPL)
}
// safeArrayGetRecordInfo accesses IRecordInfo info for custom types.
//
// AKA: SafeArrayGetRecordInfo in Windows API.
//
// XXX: Must implement IRecordInfo interface for this to return.
func safeArrayGetRecordInfo(safearray *SafeArray) (interface{}, error) {
return nil, NewError(E_NOTIMPL)
}
// safeArraySetRecordInfo mutates IRecordInfo info for custom types.
//
// AKA: SafeArraySetRecordInfo in Windows API.
//
// XXX: Must implement IRecordInfo interface for this to return.
func safeArraySetRecordInfo(safearray *SafeArray, recordInfo interface{}) error {
return NewError(E_NOTIMPL)
}

337
vendor/github.com/go-ole/go-ole/safearray_windows.go generated vendored Normal file
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// +build windows
package ole
import (
"unsafe"
)
var (
procSafeArrayAccessData = modoleaut32.NewProc("SafeArrayAccessData")
procSafeArrayAllocData = modoleaut32.NewProc("SafeArrayAllocData")
procSafeArrayAllocDescriptor = modoleaut32.NewProc("SafeArrayAllocDescriptor")
procSafeArrayAllocDescriptorEx = modoleaut32.NewProc("SafeArrayAllocDescriptorEx")
procSafeArrayCopy = modoleaut32.NewProc("SafeArrayCopy")
procSafeArrayCopyData = modoleaut32.NewProc("SafeArrayCopyData")
procSafeArrayCreate = modoleaut32.NewProc("SafeArrayCreate")
procSafeArrayCreateEx = modoleaut32.NewProc("SafeArrayCreateEx")
procSafeArrayCreateVector = modoleaut32.NewProc("SafeArrayCreateVector")
procSafeArrayCreateVectorEx = modoleaut32.NewProc("SafeArrayCreateVectorEx")
procSafeArrayDestroy = modoleaut32.NewProc("SafeArrayDestroy")
procSafeArrayDestroyData = modoleaut32.NewProc("SafeArrayDestroyData")
procSafeArrayDestroyDescriptor = modoleaut32.NewProc("SafeArrayDestroyDescriptor")
procSafeArrayGetDim = modoleaut32.NewProc("SafeArrayGetDim")
procSafeArrayGetElement = modoleaut32.NewProc("SafeArrayGetElement")
procSafeArrayGetElemsize = modoleaut32.NewProc("SafeArrayGetElemsize")
procSafeArrayGetIID = modoleaut32.NewProc("SafeArrayGetIID")
procSafeArrayGetLBound = modoleaut32.NewProc("SafeArrayGetLBound")
procSafeArrayGetUBound = modoleaut32.NewProc("SafeArrayGetUBound")
procSafeArrayGetVartype = modoleaut32.NewProc("SafeArrayGetVartype")
procSafeArrayLock = modoleaut32.NewProc("SafeArrayLock")
procSafeArrayPtrOfIndex = modoleaut32.NewProc("SafeArrayPtrOfIndex")
procSafeArrayUnaccessData = modoleaut32.NewProc("SafeArrayUnaccessData")
procSafeArrayUnlock = modoleaut32.NewProc("SafeArrayUnlock")
procSafeArrayPutElement = modoleaut32.NewProc("SafeArrayPutElement")
//procSafeArrayRedim = modoleaut32.NewProc("SafeArrayRedim") // TODO
//procSafeArraySetIID = modoleaut32.NewProc("SafeArraySetIID") // TODO
procSafeArrayGetRecordInfo = modoleaut32.NewProc("SafeArrayGetRecordInfo")
procSafeArraySetRecordInfo = modoleaut32.NewProc("SafeArraySetRecordInfo")
)
// safeArrayAccessData returns raw array pointer.
//
// AKA: SafeArrayAccessData in Windows API.
// Todo: Test
func safeArrayAccessData(safearray *SafeArray) (element uintptr, err error) {
err = convertHresultToError(
procSafeArrayAccessData.Call(
uintptr(unsafe.Pointer(safearray)),
uintptr(unsafe.Pointer(&element))))
return
}
// safeArrayUnaccessData releases raw array.
//
// AKA: SafeArrayUnaccessData in Windows API.
func safeArrayUnaccessData(safearray *SafeArray) (err error) {
err = convertHresultToError(procSafeArrayUnaccessData.Call(uintptr(unsafe.Pointer(safearray))))
return
}
// safeArrayAllocData allocates SafeArray.
//
// AKA: SafeArrayAllocData in Windows API.
func safeArrayAllocData(safearray *SafeArray) (err error) {
err = convertHresultToError(procSafeArrayAllocData.Call(uintptr(unsafe.Pointer(safearray))))
return
}
// safeArrayAllocDescriptor allocates SafeArray.
//
// AKA: SafeArrayAllocDescriptor in Windows API.
func safeArrayAllocDescriptor(dimensions uint32) (safearray *SafeArray, err error) {
err = convertHresultToError(
procSafeArrayAllocDescriptor.Call(uintptr(dimensions), uintptr(unsafe.Pointer(&safearray))))
return
}
// safeArrayAllocDescriptorEx allocates SafeArray.
//
// AKA: SafeArrayAllocDescriptorEx in Windows API.
func safeArrayAllocDescriptorEx(variantType VT, dimensions uint32) (safearray *SafeArray, err error) {
err = convertHresultToError(
procSafeArrayAllocDescriptorEx.Call(
uintptr(variantType),
uintptr(dimensions),
uintptr(unsafe.Pointer(&safearray))))
return
}
// safeArrayCopy returns copy of SafeArray.
//
// AKA: SafeArrayCopy in Windows API.
func safeArrayCopy(original *SafeArray) (safearray *SafeArray, err error) {
err = convertHresultToError(
procSafeArrayCopy.Call(
uintptr(unsafe.Pointer(original)),
uintptr(unsafe.Pointer(&safearray))))
return
}
// safeArrayCopyData duplicates SafeArray into another SafeArray object.
//
// AKA: SafeArrayCopyData in Windows API.
func safeArrayCopyData(original *SafeArray, duplicate *SafeArray) (err error) {
err = convertHresultToError(
procSafeArrayCopyData.Call(
uintptr(unsafe.Pointer(original)),
uintptr(unsafe.Pointer(duplicate))))
return
}
// safeArrayCreate creates SafeArray.
//
// AKA: SafeArrayCreate in Windows API.
func safeArrayCreate(variantType VT, dimensions uint32, bounds *SafeArrayBound) (safearray *SafeArray, err error) {
sa, _, err := procSafeArrayCreate.Call(
uintptr(variantType),
uintptr(dimensions),
uintptr(unsafe.Pointer(bounds)))
safearray = (*SafeArray)(unsafe.Pointer(&sa))
return
}
// safeArrayCreateEx creates SafeArray.
//
// AKA: SafeArrayCreateEx in Windows API.
func safeArrayCreateEx(variantType VT, dimensions uint32, bounds *SafeArrayBound, extra uintptr) (safearray *SafeArray, err error) {
sa, _, err := procSafeArrayCreateEx.Call(
uintptr(variantType),
uintptr(dimensions),
uintptr(unsafe.Pointer(bounds)),
extra)
safearray = (*SafeArray)(unsafe.Pointer(sa))
return
}
// safeArrayCreateVector creates SafeArray.
//
// AKA: SafeArrayCreateVector in Windows API.
func safeArrayCreateVector(variantType VT, lowerBound int32, length uint32) (safearray *SafeArray, err error) {
sa, _, err := procSafeArrayCreateVector.Call(
uintptr(variantType),
uintptr(lowerBound),
uintptr(length))
safearray = (*SafeArray)(unsafe.Pointer(sa))
return
}
// safeArrayCreateVectorEx creates SafeArray.
//
// AKA: SafeArrayCreateVectorEx in Windows API.
func safeArrayCreateVectorEx(variantType VT, lowerBound int32, length uint32, extra uintptr) (safearray *SafeArray, err error) {
sa, _, err := procSafeArrayCreateVectorEx.Call(
uintptr(variantType),
uintptr(lowerBound),
uintptr(length),
extra)
safearray = (*SafeArray)(unsafe.Pointer(sa))
return
}
// safeArrayDestroy destroys SafeArray object.
//
// AKA: SafeArrayDestroy in Windows API.
func safeArrayDestroy(safearray *SafeArray) (err error) {
err = convertHresultToError(procSafeArrayDestroy.Call(uintptr(unsafe.Pointer(safearray))))
return
}
// safeArrayDestroyData destroys SafeArray object.
//
// AKA: SafeArrayDestroyData in Windows API.
func safeArrayDestroyData(safearray *SafeArray) (err error) {
err = convertHresultToError(procSafeArrayDestroyData.Call(uintptr(unsafe.Pointer(safearray))))
return
}
// safeArrayDestroyDescriptor destroys SafeArray object.
//
// AKA: SafeArrayDestroyDescriptor in Windows API.
func safeArrayDestroyDescriptor(safearray *SafeArray) (err error) {
err = convertHresultToError(procSafeArrayDestroyDescriptor.Call(uintptr(unsafe.Pointer(safearray))))
return
}
// safeArrayGetDim is the amount of dimensions in the SafeArray.
//
// SafeArrays may have multiple dimensions. Meaning, it could be
// multidimensional array.
//
// AKA: SafeArrayGetDim in Windows API.
func safeArrayGetDim(safearray *SafeArray) (dimensions *uint32, err error) {
l, _, err := procSafeArrayGetDim.Call(uintptr(unsafe.Pointer(safearray)))
dimensions = (*uint32)(unsafe.Pointer(l))
return
}
// safeArrayGetElementSize is the element size in bytes.
//
// AKA: SafeArrayGetElemsize in Windows API.
func safeArrayGetElementSize(safearray *SafeArray) (length *uint32, err error) {
l, _, err := procSafeArrayGetElemsize.Call(uintptr(unsafe.Pointer(safearray)))
length = (*uint32)(unsafe.Pointer(l))
return
}
// safeArrayGetElement retrieves element at given index.
func safeArrayGetElement(safearray *SafeArray, index int32, pv unsafe.Pointer) error {
return convertHresultToError(
procSafeArrayGetElement.Call(
uintptr(unsafe.Pointer(safearray)),
uintptr(unsafe.Pointer(&index)),
uintptr(pv)))
}
// safeArrayGetElementString retrieves element at given index and converts to string.
func safeArrayGetElementString(safearray *SafeArray, index int32) (str string, err error) {
var element *int16
err = convertHresultToError(
procSafeArrayGetElement.Call(
uintptr(unsafe.Pointer(safearray)),
uintptr(unsafe.Pointer(&index)),
uintptr(unsafe.Pointer(&element))))
str = BstrToString(*(**uint16)(unsafe.Pointer(&element)))
SysFreeString(element)
return
}
// safeArrayGetIID is the InterfaceID of the elements in the SafeArray.
//
// AKA: SafeArrayGetIID in Windows API.
func safeArrayGetIID(safearray *SafeArray) (guid *GUID, err error) {
err = convertHresultToError(
procSafeArrayGetIID.Call(
uintptr(unsafe.Pointer(safearray)),
uintptr(unsafe.Pointer(&guid))))
return
}
// safeArrayGetLBound returns lower bounds of SafeArray.
//
// SafeArrays may have multiple dimensions. Meaning, it could be
// multidimensional array.
//
// AKA: SafeArrayGetLBound in Windows API.
func safeArrayGetLBound(safearray *SafeArray, dimension uint32) (lowerBound int32, err error) {
err = convertHresultToError(
procSafeArrayGetLBound.Call(
uintptr(unsafe.Pointer(safearray)),
uintptr(dimension),
uintptr(unsafe.Pointer(&lowerBound))))
return
}
// safeArrayGetUBound returns upper bounds of SafeArray.
//
// SafeArrays may have multiple dimensions. Meaning, it could be
// multidimensional array.
//
// AKA: SafeArrayGetUBound in Windows API.
func safeArrayGetUBound(safearray *SafeArray, dimension uint32) (upperBound int32, err error) {
err = convertHresultToError(
procSafeArrayGetUBound.Call(
uintptr(unsafe.Pointer(safearray)),
uintptr(dimension),
uintptr(unsafe.Pointer(&upperBound))))
return
}
// safeArrayGetVartype returns data type of SafeArray.
//
// AKA: SafeArrayGetVartype in Windows API.
func safeArrayGetVartype(safearray *SafeArray) (varType uint16, err error) {
err = convertHresultToError(
procSafeArrayGetVartype.Call(
uintptr(unsafe.Pointer(safearray)),
uintptr(unsafe.Pointer(&varType))))
return
}
// safeArrayLock locks SafeArray for reading to modify SafeArray.
//
// This must be called during some calls to ensure that another process does not
// read or write to the SafeArray during editing.
//
// AKA: SafeArrayLock in Windows API.
func safeArrayLock(safearray *SafeArray) (err error) {
err = convertHresultToError(procSafeArrayLock.Call(uintptr(unsafe.Pointer(safearray))))
return
}
// safeArrayUnlock unlocks SafeArray for reading.
//
// AKA: SafeArrayUnlock in Windows API.
func safeArrayUnlock(safearray *SafeArray) (err error) {
err = convertHresultToError(procSafeArrayUnlock.Call(uintptr(unsafe.Pointer(safearray))))
return
}
// safeArrayPutElement stores the data element at the specified location in the
// array.
//
// AKA: SafeArrayPutElement in Windows API.
func safeArrayPutElement(safearray *SafeArray, index int64, element uintptr) (err error) {
err = convertHresultToError(
procSafeArrayPutElement.Call(
uintptr(unsafe.Pointer(safearray)),
uintptr(unsafe.Pointer(&index)),
uintptr(unsafe.Pointer(element))))
return
}
// safeArrayGetRecordInfo accesses IRecordInfo info for custom types.
//
// AKA: SafeArrayGetRecordInfo in Windows API.
//
// XXX: Must implement IRecordInfo interface for this to return.
func safeArrayGetRecordInfo(safearray *SafeArray) (recordInfo interface{}, err error) {
err = convertHresultToError(
procSafeArrayGetRecordInfo.Call(
uintptr(unsafe.Pointer(safearray)),
uintptr(unsafe.Pointer(&recordInfo))))
return
}
// safeArraySetRecordInfo mutates IRecordInfo info for custom types.
//
// AKA: SafeArraySetRecordInfo in Windows API.
//
// XXX: Must implement IRecordInfo interface for this to return.
func safeArraySetRecordInfo(safearray *SafeArray, recordInfo interface{}) (err error) {
err = convertHresultToError(
procSafeArraySetRecordInfo.Call(
uintptr(unsafe.Pointer(safearray)),
uintptr(unsafe.Pointer(&recordInfo))))
return
}

140
vendor/github.com/go-ole/go-ole/safearrayconversion.go generated vendored Normal file
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// Helper for converting SafeArray to array of objects.
package ole
import (
"unsafe"
)
type SafeArrayConversion struct {
Array *SafeArray
}
func (sac *SafeArrayConversion) ToStringArray() (strings []string) {
totalElements, _ := sac.TotalElements(0)
strings = make([]string, totalElements)
for i := int32(0); i < totalElements; i++ {
strings[int32(i)], _ = safeArrayGetElementString(sac.Array, i)
}
return
}
func (sac *SafeArrayConversion) ToByteArray() (bytes []byte) {
totalElements, _ := sac.TotalElements(0)
bytes = make([]byte, totalElements)
for i := int32(0); i < totalElements; i++ {
safeArrayGetElement(sac.Array, i, unsafe.Pointer(&bytes[int32(i)]))
}
return
}
func (sac *SafeArrayConversion) ToValueArray() (values []interface{}) {
totalElements, _ := sac.TotalElements(0)
values = make([]interface{}, totalElements)
vt, _ := safeArrayGetVartype(sac.Array)
for i := int32(0); i < totalElements; i++ {
switch VT(vt) {
case VT_BOOL:
var v bool
safeArrayGetElement(sac.Array, i, unsafe.Pointer(&v))
values[i] = v
case VT_I1:
var v int8
safeArrayGetElement(sac.Array, i, unsafe.Pointer(&v))
values[i] = v
case VT_I2:
var v int16
safeArrayGetElement(sac.Array, i, unsafe.Pointer(&v))
values[i] = v
case VT_I4:
var v int32
safeArrayGetElement(sac.Array, i, unsafe.Pointer(&v))
values[i] = v
case VT_I8:
var v int64
safeArrayGetElement(sac.Array, i, unsafe.Pointer(&v))
values[i] = v
case VT_UI1:
var v uint8
safeArrayGetElement(sac.Array, i, unsafe.Pointer(&v))
values[i] = v
case VT_UI2:
var v uint16
safeArrayGetElement(sac.Array, i, unsafe.Pointer(&v))
values[i] = v
case VT_UI4:
var v uint32
safeArrayGetElement(sac.Array, i, unsafe.Pointer(&v))
values[i] = v
case VT_UI8:
var v uint64
safeArrayGetElement(sac.Array, i, unsafe.Pointer(&v))
values[i] = v
case VT_R4:
var v float32
safeArrayGetElement(sac.Array, i, unsafe.Pointer(&v))
values[i] = v
case VT_R8:
var v float64
safeArrayGetElement(sac.Array, i, unsafe.Pointer(&v))
values[i] = v
case VT_BSTR:
v , _ := safeArrayGetElementString(sac.Array, i)
values[i] = v
case VT_VARIANT:
var v VARIANT
safeArrayGetElement(sac.Array, i, unsafe.Pointer(&v))
values[i] = v.Value()
v.Clear()
default:
// TODO
}
}
return
}
func (sac *SafeArrayConversion) GetType() (varType uint16, err error) {
return safeArrayGetVartype(sac.Array)
}
func (sac *SafeArrayConversion) GetDimensions() (dimensions *uint32, err error) {
return safeArrayGetDim(sac.Array)
}
func (sac *SafeArrayConversion) GetSize() (length *uint32, err error) {
return safeArrayGetElementSize(sac.Array)
}
func (sac *SafeArrayConversion) TotalElements(index uint32) (totalElements int32, err error) {
if index < 1 {
index = 1
}
// Get array bounds
var LowerBounds int32
var UpperBounds int32
LowerBounds, err = safeArrayGetLBound(sac.Array, index)
if err != nil {
return
}
UpperBounds, err = safeArrayGetUBound(sac.Array, index)
if err != nil {
return
}
totalElements = UpperBounds - LowerBounds + 1
return
}
// Release Safe Array memory
func (sac *SafeArrayConversion) Release() {
safeArrayDestroy(sac.Array)
}

33
vendor/github.com/go-ole/go-ole/safearrayslices.go generated vendored Normal file
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@ -0,0 +1,33 @@
// +build windows
package ole
import (
"unsafe"
)
func safeArrayFromByteSlice(slice []byte) *SafeArray {
array, _ := safeArrayCreateVector(VT_UI1, 0, uint32(len(slice)))
if array == nil {
panic("Could not convert []byte to SAFEARRAY")
}
for i, v := range slice {
safeArrayPutElement(array, int64(i), uintptr(unsafe.Pointer(&v)))
}
return array
}
func safeArrayFromStringSlice(slice []string) *SafeArray {
array, _ := safeArrayCreateVector(VT_BSTR, 0, uint32(len(slice)))
if array == nil {
panic("Could not convert []string to SAFEARRAY")
}
// SysAllocStringLen(s)
for i, v := range slice {
safeArrayPutElement(array, int64(i), uintptr(unsafe.Pointer(SysAllocStringLen(v))))
}
return array
}

101
vendor/github.com/go-ole/go-ole/utility.go generated vendored Normal file
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@ -0,0 +1,101 @@
package ole
import (
"unicode/utf16"
"unsafe"
)
// ClassIDFrom retrieves class ID whether given is program ID or application string.
//
// Helper that provides check against both Class ID from Program ID and Class ID from string. It is
// faster, if you know which you are using, to use the individual functions, but this will check
// against available functions for you.
func ClassIDFrom(programID string) (classID *GUID, err error) {
classID, err = CLSIDFromProgID(programID)
if err != nil {
classID, err = CLSIDFromString(programID)
if err != nil {
return
}
}
return
}
// BytePtrToString converts byte pointer to a Go string.
func BytePtrToString(p *byte) string {
a := (*[10000]uint8)(unsafe.Pointer(p))
i := 0
for a[i] != 0 {
i++
}
return string(a[:i])
}
// UTF16PtrToString is alias for LpOleStrToString.
//
// Kept for compatibility reasons.
func UTF16PtrToString(p *uint16) string {
return LpOleStrToString(p)
}
// LpOleStrToString converts COM Unicode to Go string.
func LpOleStrToString(p *uint16) string {
if p == nil {
return ""
}
length := lpOleStrLen(p)
a := make([]uint16, length)
ptr := unsafe.Pointer(p)
for i := 0; i < int(length); i++ {
a[i] = *(*uint16)(ptr)
ptr = unsafe.Pointer(uintptr(ptr) + 2)
}
return string(utf16.Decode(a))
}
// BstrToString converts COM binary string to Go string.
func BstrToString(p *uint16) string {
if p == nil {
return ""
}
length := SysStringLen((*int16)(unsafe.Pointer(p)))
a := make([]uint16, length)
ptr := unsafe.Pointer(p)
for i := 0; i < int(length); i++ {
a[i] = *(*uint16)(ptr)
ptr = unsafe.Pointer(uintptr(ptr) + 2)
}
return string(utf16.Decode(a))
}
// lpOleStrLen returns the length of Unicode string.
func lpOleStrLen(p *uint16) (length int64) {
if p == nil {
return 0
}
ptr := unsafe.Pointer(p)
for i := 0; ; i++ {
if 0 == *(*uint16)(ptr) {
length = int64(i)
break
}
ptr = unsafe.Pointer(uintptr(ptr) + 2)
}
return
}
// convertHresultToError converts syscall to error, if call is unsuccessful.
func convertHresultToError(hr uintptr, r2 uintptr, ignore error) (err error) {
if hr != 0 {
err = NewError(hr)
}
return
}

15
vendor/github.com/go-ole/go-ole/variables.go generated vendored Normal file
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@ -0,0 +1,15 @@
// +build windows
package ole
import (
"golang.org/x/sys/windows"
)
var (
modcombase = windows.NewLazySystemDLL("combase.dll")
modkernel32 = windows.NewLazySystemDLL("kernel32.dll")
modole32 = windows.NewLazySystemDLL("ole32.dll")
modoleaut32 = windows.NewLazySystemDLL("oleaut32.dll")
moduser32 = windows.NewLazySystemDLL("user32.dll")
)

105
vendor/github.com/go-ole/go-ole/variant.go generated vendored Normal file
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package ole
import "unsafe"
// NewVariant returns new variant based on type and value.
func NewVariant(vt VT, val int64) VARIANT {
return VARIANT{VT: vt, Val: val}
}
// ToIUnknown converts Variant to Unknown object.
func (v *VARIANT) ToIUnknown() *IUnknown {
if v.VT != VT_UNKNOWN {
return nil
}
return (*IUnknown)(unsafe.Pointer(uintptr(v.Val)))
}
// ToIDispatch converts variant to dispatch object.
func (v *VARIANT) ToIDispatch() *IDispatch {
if v.VT != VT_DISPATCH {
return nil
}
return (*IDispatch)(unsafe.Pointer(uintptr(v.Val)))
}
// ToArray converts variant to SafeArray helper.
func (v *VARIANT) ToArray() *SafeArrayConversion {
if v.VT != VT_SAFEARRAY {
if v.VT&VT_ARRAY == 0 {
return nil
}
}
var safeArray *SafeArray = (*SafeArray)(unsafe.Pointer(uintptr(v.Val)))
return &SafeArrayConversion{safeArray}
}
// ToString converts variant to Go string.
func (v *VARIANT) ToString() string {
if v.VT != VT_BSTR {
return ""
}
return BstrToString(*(**uint16)(unsafe.Pointer(&v.Val)))
}
// Clear the memory of variant object.
func (v *VARIANT) Clear() error {
return VariantClear(v)
}
// Value returns variant value based on its type.
//
// Currently supported types: 2- and 4-byte integers, strings, bools.
// Note that 64-bit integers, datetimes, and other types are stored as strings
// and will be returned as strings.
//
// Needs to be further converted, because this returns an interface{}.
func (v *VARIANT) Value() interface{} {
switch v.VT {
case VT_I1:
return int8(v.Val)
case VT_UI1:
return uint8(v.Val)
case VT_I2:
return int16(v.Val)
case VT_UI2:
return uint16(v.Val)
case VT_I4:
return int32(v.Val)
case VT_UI4:
return uint32(v.Val)
case VT_I8:
return int64(v.Val)
case VT_UI8:
return uint64(v.Val)
case VT_INT:
return int(v.Val)
case VT_UINT:
return uint(v.Val)
case VT_INT_PTR:
return uintptr(v.Val) // TODO
case VT_UINT_PTR:
return uintptr(v.Val)
case VT_R4:
return *(*float32)(unsafe.Pointer(&v.Val))
case VT_R8:
return *(*float64)(unsafe.Pointer(&v.Val))
case VT_BSTR:
return v.ToString()
case VT_DATE:
// VT_DATE type will either return float64 or time.Time.
d := uint64(v.Val)
date, err := GetVariantDate(d)
if err != nil {
return float64(v.Val)
}
return date
case VT_UNKNOWN:
return v.ToIUnknown()
case VT_DISPATCH:
return v.ToIDispatch()
case VT_BOOL:
return v.Val != 0
}
return nil
}

11
vendor/github.com/go-ole/go-ole/variant_386.go generated vendored Normal file
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@ -0,0 +1,11 @@
// +build 386
package ole
type VARIANT struct {
VT VT // 2
wReserved1 uint16 // 4
wReserved2 uint16 // 6
wReserved3 uint16 // 8
Val int64 // 16
}

12
vendor/github.com/go-ole/go-ole/variant_amd64.go generated vendored Normal file
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@ -0,0 +1,12 @@
// +build amd64
package ole
type VARIANT struct {
VT VT // 2
wReserved1 uint16 // 4
wReserved2 uint16 // 6
wReserved3 uint16 // 8
Val int64 // 16
_ [8]byte // 24
}

11
vendor/github.com/go-ole/go-ole/variant_arm.go generated vendored Normal file
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@ -0,0 +1,11 @@
// +build arm
package ole
type VARIANT struct {
VT VT // 2
wReserved1 uint16 // 4
wReserved2 uint16 // 6
wReserved3 uint16 // 8
Val int64 // 16
}

13
vendor/github.com/go-ole/go-ole/variant_arm64.go generated vendored Normal file
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@ -0,0 +1,13 @@
//go:build arm64
// +build arm64
package ole
type VARIANT struct {
VT VT // 2
wReserved1 uint16 // 4
wReserved2 uint16 // 6
wReserved3 uint16 // 8
Val int64 // 16
_ [8]byte // 24
}

22
vendor/github.com/go-ole/go-ole/variant_date_386.go generated vendored Normal file
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@ -0,0 +1,22 @@
// +build windows,386
package ole
import (
"errors"
"syscall"
"time"
"unsafe"
)
// GetVariantDate converts COM Variant Time value to Go time.Time.
func GetVariantDate(value uint64) (time.Time, error) {
var st syscall.Systemtime
v1 := uint32(value)
v2 := uint32(value >> 32)
r, _, _ := procVariantTimeToSystemTime.Call(uintptr(v1), uintptr(v2), uintptr(unsafe.Pointer(&st)))
if r != 0 {
return time.Date(int(st.Year), time.Month(st.Month), int(st.Day), int(st.Hour), int(st.Minute), int(st.Second), int(st.Milliseconds/1000), time.UTC), nil
}
return time.Now(), errors.New("Could not convert to time, passing current time.")
}

20
vendor/github.com/go-ole/go-ole/variant_date_amd64.go generated vendored Normal file
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@ -0,0 +1,20 @@
// +build windows,amd64
package ole
import (
"errors"
"syscall"
"time"
"unsafe"
)
// GetVariantDate converts COM Variant Time value to Go time.Time.
func GetVariantDate(value uint64) (time.Time, error) {
var st syscall.Systemtime
r, _, _ := procVariantTimeToSystemTime.Call(uintptr(value), uintptr(unsafe.Pointer(&st)))
if r != 0 {
return time.Date(int(st.Year), time.Month(st.Month), int(st.Day), int(st.Hour), int(st.Minute), int(st.Second), int(st.Milliseconds/1000), time.UTC), nil
}
return time.Now(), errors.New("Could not convert to time, passing current time.")
}

22
vendor/github.com/go-ole/go-ole/variant_date_arm.go generated vendored Normal file
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@ -0,0 +1,22 @@
// +build windows,arm
package ole
import (
"errors"
"syscall"
"time"
"unsafe"
)
// GetVariantDate converts COM Variant Time value to Go time.Time.
func GetVariantDate(value uint64) (time.Time, error) {
var st syscall.Systemtime
v1 := uint32(value)
v2 := uint32(value >> 32)
r, _, _ := procVariantTimeToSystemTime.Call(uintptr(v1), uintptr(v2), uintptr(unsafe.Pointer(&st)))
if r != 0 {
return time.Date(int(st.Year), time.Month(st.Month), int(st.Day), int(st.Hour), int(st.Minute), int(st.Second), int(st.Milliseconds/1000), time.UTC), nil
}
return time.Now(), errors.New("Could not convert to time, passing current time.")
}

23
vendor/github.com/go-ole/go-ole/variant_date_arm64.go generated vendored Normal file
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@ -0,0 +1,23 @@
//go:build windows && arm64
// +build windows,arm64
package ole
import (
"errors"
"syscall"
"time"
"unsafe"
)
// GetVariantDate converts COM Variant Time value to Go time.Time.
func GetVariantDate(value uint64) (time.Time, error) {
var st syscall.Systemtime
v1 := uint32(value)
v2 := uint32(value >> 32)
r, _, _ := procVariantTimeToSystemTime.Call(uintptr(v1), uintptr(v2), uintptr(unsafe.Pointer(&st)))
if r != 0 {
return time.Date(int(st.Year), time.Month(st.Month), int(st.Day), int(st.Hour), int(st.Minute), int(st.Second), int(st.Milliseconds/1000), time.UTC), nil
}
return time.Now(), errors.New("Could not convert to time, passing current time.")
}

12
vendor/github.com/go-ole/go-ole/variant_ppc64le.go generated vendored Normal file
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@ -0,0 +1,12 @@
// +build ppc64le
package ole
type VARIANT struct {
VT VT // 2
wReserved1 uint16 // 4
wReserved2 uint16 // 6
wReserved3 uint16 // 8
Val int64 // 16
_ [8]byte // 24
}

12
vendor/github.com/go-ole/go-ole/variant_s390x.go generated vendored Normal file
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@ -0,0 +1,12 @@
// +build s390x
package ole
type VARIANT struct {
VT VT // 2
wReserved1 uint16 // 4
wReserved2 uint16 // 6
wReserved3 uint16 // 8
Val int64 // 16
_ [8]byte // 24
}

58
vendor/github.com/go-ole/go-ole/vt_string.go generated vendored Normal file
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@ -0,0 +1,58 @@
// generated by stringer -output vt_string.go -type VT; DO NOT EDIT
package ole
import "fmt"
const (
_VT_name_0 = "VT_EMPTYVT_NULLVT_I2VT_I4VT_R4VT_R8VT_CYVT_DATEVT_BSTRVT_DISPATCHVT_ERRORVT_BOOLVT_VARIANTVT_UNKNOWNVT_DECIMAL"
_VT_name_1 = "VT_I1VT_UI1VT_UI2VT_UI4VT_I8VT_UI8VT_INTVT_UINTVT_VOIDVT_HRESULTVT_PTRVT_SAFEARRAYVT_CARRAYVT_USERDEFINEDVT_LPSTRVT_LPWSTR"
_VT_name_2 = "VT_RECORDVT_INT_PTRVT_UINT_PTR"
_VT_name_3 = "VT_FILETIMEVT_BLOBVT_STREAMVT_STORAGEVT_STREAMED_OBJECTVT_STORED_OBJECTVT_BLOB_OBJECTVT_CFVT_CLSID"
_VT_name_4 = "VT_BSTR_BLOBVT_VECTOR"
_VT_name_5 = "VT_ARRAY"
_VT_name_6 = "VT_BYREF"
_VT_name_7 = "VT_RESERVED"
_VT_name_8 = "VT_ILLEGAL"
)
var (
_VT_index_0 = [...]uint8{0, 8, 15, 20, 25, 30, 35, 40, 47, 54, 65, 73, 80, 90, 100, 110}
_VT_index_1 = [...]uint8{0, 5, 11, 17, 23, 28, 34, 40, 47, 54, 64, 70, 82, 91, 105, 113, 122}
_VT_index_2 = [...]uint8{0, 9, 19, 30}
_VT_index_3 = [...]uint8{0, 11, 18, 27, 37, 55, 71, 85, 90, 98}
_VT_index_4 = [...]uint8{0, 12, 21}
_VT_index_5 = [...]uint8{0, 8}
_VT_index_6 = [...]uint8{0, 8}
_VT_index_7 = [...]uint8{0, 11}
_VT_index_8 = [...]uint8{0, 10}
)
func (i VT) String() string {
switch {
case 0 <= i && i <= 14:
return _VT_name_0[_VT_index_0[i]:_VT_index_0[i+1]]
case 16 <= i && i <= 31:
i -= 16
return _VT_name_1[_VT_index_1[i]:_VT_index_1[i+1]]
case 36 <= i && i <= 38:
i -= 36
return _VT_name_2[_VT_index_2[i]:_VT_index_2[i+1]]
case 64 <= i && i <= 72:
i -= 64
return _VT_name_3[_VT_index_3[i]:_VT_index_3[i+1]]
case 4095 <= i && i <= 4096:
i -= 4095
return _VT_name_4[_VT_index_4[i]:_VT_index_4[i+1]]
case i == 8192:
return _VT_name_5
case i == 16384:
return _VT_name_6
case i == 32768:
return _VT_name_7
case i == 65535:
return _VT_name_8
default:
return fmt.Sprintf("VT(%d)", i)
}
}

99
vendor/github.com/go-ole/go-ole/winrt.go generated vendored Normal file
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@ -0,0 +1,99 @@
// +build windows
package ole
import (
"reflect"
"syscall"
"unicode/utf8"
"unsafe"
)
var (
procRoInitialize = modcombase.NewProc("RoInitialize")
procRoActivateInstance = modcombase.NewProc("RoActivateInstance")
procRoGetActivationFactory = modcombase.NewProc("RoGetActivationFactory")
procWindowsCreateString = modcombase.NewProc("WindowsCreateString")
procWindowsDeleteString = modcombase.NewProc("WindowsDeleteString")
procWindowsGetStringRawBuffer = modcombase.NewProc("WindowsGetStringRawBuffer")
)
func RoInitialize(thread_type uint32) (err error) {
hr, _, _ := procRoInitialize.Call(uintptr(thread_type))
if hr != 0 {
err = NewError(hr)
}
return
}
func RoActivateInstance(clsid string) (ins *IInspectable, err error) {
hClsid, err := NewHString(clsid)
if err != nil {
return nil, err
}
defer DeleteHString(hClsid)
hr, _, _ := procRoActivateInstance.Call(
uintptr(unsafe.Pointer(hClsid)),
uintptr(unsafe.Pointer(&ins)))
if hr != 0 {
err = NewError(hr)
}
return
}
func RoGetActivationFactory(clsid string, iid *GUID) (ins *IInspectable, err error) {
hClsid, err := NewHString(clsid)
if err != nil {
return nil, err
}
defer DeleteHString(hClsid)
hr, _, _ := procRoGetActivationFactory.Call(
uintptr(unsafe.Pointer(hClsid)),
uintptr(unsafe.Pointer(iid)),
uintptr(unsafe.Pointer(&ins)))
if hr != 0 {
err = NewError(hr)
}
return
}
// HString is handle string for pointers.
type HString uintptr
// NewHString returns a new HString for Go string.
func NewHString(s string) (hstring HString, err error) {
u16 := syscall.StringToUTF16Ptr(s)
len := uint32(utf8.RuneCountInString(s))
hr, _, _ := procWindowsCreateString.Call(
uintptr(unsafe.Pointer(u16)),
uintptr(len),
uintptr(unsafe.Pointer(&hstring)))
if hr != 0 {
err = NewError(hr)
}
return
}
// DeleteHString deletes HString.
func DeleteHString(hstring HString) (err error) {
hr, _, _ := procWindowsDeleteString.Call(uintptr(hstring))
if hr != 0 {
err = NewError(hr)
}
return
}
// String returns Go string value of HString.
func (h HString) String() string {
var u16buf uintptr
var u16len uint32
u16buf, _, _ = procWindowsGetStringRawBuffer.Call(
uintptr(h),
uintptr(unsafe.Pointer(&u16len)))
u16hdr := reflect.SliceHeader{Data: u16buf, Len: int(u16len), Cap: int(u16len)}
u16 := *(*[]uint16)(unsafe.Pointer(&u16hdr))
return syscall.UTF16ToString(u16)
}

36
vendor/github.com/go-ole/go-ole/winrt_doc.go generated vendored Normal file
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// +build !windows
package ole
// RoInitialize
func RoInitialize(thread_type uint32) (err error) {
return NewError(E_NOTIMPL)
}
// RoActivateInstance
func RoActivateInstance(clsid string) (ins *IInspectable, err error) {
return nil, NewError(E_NOTIMPL)
}
// RoGetActivationFactory
func RoGetActivationFactory(clsid string, iid *GUID) (ins *IInspectable, err error) {
return nil, NewError(E_NOTIMPL)
}
// HString is handle string for pointers.
type HString uintptr
// NewHString returns a new HString for Go string.
func NewHString(s string) (hstring HString, err error) {
return HString(uintptr(0)), NewError(E_NOTIMPL)
}
// DeleteHString deletes HString.
func DeleteHString(hstring HString) (err error) {
return NewError(E_NOTIMPL)
}
// String returns Go string value of HString.
func (h HString) String() string {
return ""
}

50
vendor/github.com/godbus/dbus/v5/CONTRIBUTING.md generated vendored Normal file
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# How to Contribute
## Getting Started
- Fork the repository on GitHub
- Read the [README](README.markdown) for build and test instructions
- Play with the project, submit bugs, submit patches!
## Contribution Flow
This is a rough outline of what a contributor's workflow looks like:
- Create a topic branch from where you want to base your work (usually master).
- Make commits of logical units.
- Make sure your commit messages are in the proper format (see below).
- Push your changes to a topic branch in your fork of the repository.
- Make sure the tests pass, and add any new tests as appropriate.
- Submit a pull request to the original repository.
Thanks for your contributions!
### Format of the Commit Message
We follow a rough convention for commit messages that is designed to answer two
questions: what changed and why. The subject line should feature the what and
the body of the commit should describe the why.
```
scripts: add the test-cluster command
this uses tmux to setup a test cluster that you can easily kill and
start for debugging.
Fixes #38
```
The format can be described more formally as follows:
```
<subsystem>: <what changed>
<BLANK LINE>
<why this change was made>
<BLANK LINE>
<footer>
```
The first line is the subject and should be no longer than 70 characters, the
second line is always blank, and other lines should be wrapped at 80 characters.
This allows the message to be easier to read on GitHub as well as in various
git tools.

25
vendor/github.com/godbus/dbus/v5/LICENSE generated vendored Normal file
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Copyright (c) 2013, Georg Reinke (<guelfey at gmail dot com>), Google
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

3
vendor/github.com/godbus/dbus/v5/MAINTAINERS generated vendored Normal file
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@ -0,0 +1,3 @@
Brandon Philips <brandon@ifup.org> (@philips)
Brian Waldon <brian@waldon.cc> (@bcwaldon)
John Southworth <jsouthwo@brocade.com> (@jsouthworth)

46
vendor/github.com/godbus/dbus/v5/README.md generated vendored Normal file
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![Build Status](https://github.com/godbus/dbus/workflows/Go/badge.svg)
dbus
----
dbus is a simple library that implements native Go client bindings for the
D-Bus message bus system.
### Features
* Complete native implementation of the D-Bus message protocol
* Go-like API (channels for signals / asynchronous method calls, Goroutine-safe connections)
* Subpackages that help with the introspection / property interfaces
### Installation
This packages requires Go 1.12 or later. It can be installed by running the command below:
```
go get github.com/godbus/dbus/v5
```
### Usage
The complete package documentation and some simple examples are available at
[godoc.org](http://godoc.org/github.com/godbus/dbus). Also, the
[_examples](https://github.com/godbus/dbus/tree/master/_examples) directory
gives a short overview over the basic usage.
#### Projects using godbus
- [fyne](https://github.com/fyne-io/fyne) a cross platform GUI in Go inspired by Material Design.
- [fynedesk](https://github.com/fyne-io/fynedesk) a full desktop environment for Linux/Unix using Fyne.
- [go-bluetooth](https://github.com/muka/go-bluetooth) provides a bluetooth client over bluez dbus API.
- [iwd](https://github.com/shibumi/iwd) go bindings for the internet wireless daemon "iwd".
- [notify](https://github.com/esiqveland/notify) provides desktop notifications over dbus into a library.
- [playerbm](https://github.com/altdesktop/playerbm) a bookmark utility for media players.
Please note that the API is considered unstable for now and may change without
further notice.
### License
go.dbus is available under the Simplified BSD License; see LICENSE for the full
text.
Nearly all of the credit for this library goes to github.com/guelfey/go.dbus.

257
vendor/github.com/godbus/dbus/v5/auth.go generated vendored Normal file
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package dbus
import (
"bufio"
"bytes"
"errors"
"io"
"os"
"strconv"
)
// AuthStatus represents the Status of an authentication mechanism.
type AuthStatus byte
const (
// AuthOk signals that authentication is finished; the next command
// from the server should be an OK.
AuthOk AuthStatus = iota
// AuthContinue signals that additional data is needed; the next command
// from the server should be a DATA.
AuthContinue
// AuthError signals an error; the server sent invalid data or some
// other unexpected thing happened and the current authentication
// process should be aborted.
AuthError
)
type authState byte
const (
waitingForData authState = iota
waitingForOk
waitingForReject
)
// Auth defines the behaviour of an authentication mechanism.
type Auth interface {
// Return the name of the mechanism, the argument to the first AUTH command
// and the next status.
FirstData() (name, resp []byte, status AuthStatus)
// Process the given DATA command, and return the argument to the DATA
// command and the next status. If len(resp) == 0, no DATA command is sent.
HandleData(data []byte) (resp []byte, status AuthStatus)
}
// Auth authenticates the connection, trying the given list of authentication
// mechanisms (in that order). If nil is passed, the EXTERNAL and
// DBUS_COOKIE_SHA1 mechanisms are tried for the current user. For private
// connections, this method must be called before sending any messages to the
// bus. Auth must not be called on shared connections.
func (conn *Conn) Auth(methods []Auth) error {
if methods == nil {
uid := strconv.Itoa(os.Geteuid())
methods = []Auth{AuthExternal(uid), AuthCookieSha1(uid, getHomeDir())}
}
in := bufio.NewReader(conn.transport)
err := conn.transport.SendNullByte()
if err != nil {
return err
}
err = authWriteLine(conn.transport, []byte("AUTH"))
if err != nil {
return err
}
s, err := authReadLine(in)
if err != nil {
return err
}
if len(s) < 2 || !bytes.Equal(s[0], []byte("REJECTED")) {
return errors.New("dbus: authentication protocol error")
}
s = s[1:]
for _, v := range s {
for _, m := range methods {
if name, _, status := m.FirstData(); bytes.Equal(v, name) {
var ok bool
err = authWriteLine(conn.transport, []byte("AUTH"), v)
if err != nil {
return err
}
switch status {
case AuthOk:
err, ok = conn.tryAuth(m, waitingForOk, in)
case AuthContinue:
err, ok = conn.tryAuth(m, waitingForData, in)
default:
panic("dbus: invalid authentication status")
}
if err != nil {
return err
}
if ok {
if conn.transport.SupportsUnixFDs() {
err = authWriteLine(conn, []byte("NEGOTIATE_UNIX_FD"))
if err != nil {
return err
}
line, err := authReadLine(in)
if err != nil {
return err
}
switch {
case bytes.Equal(line[0], []byte("AGREE_UNIX_FD")):
conn.EnableUnixFDs()
conn.unixFD = true
case bytes.Equal(line[0], []byte("ERROR")):
default:
return errors.New("dbus: authentication protocol error")
}
}
err = authWriteLine(conn.transport, []byte("BEGIN"))
if err != nil {
return err
}
go conn.inWorker()
return nil
}
}
}
}
return errors.New("dbus: authentication failed")
}
// tryAuth tries to authenticate with m as the mechanism, using state as the
// initial authState and in for reading input. It returns (nil, true) on
// success, (nil, false) on a REJECTED and (someErr, false) if some other
// error occurred.
func (conn *Conn) tryAuth(m Auth, state authState, in *bufio.Reader) (error, bool) {
for {
s, err := authReadLine(in)
if err != nil {
return err, false
}
switch {
case state == waitingForData && string(s[0]) == "DATA":
if len(s) != 2 {
err = authWriteLine(conn.transport, []byte("ERROR"))
if err != nil {
return err, false
}
continue
}
data, status := m.HandleData(s[1])
switch status {
case AuthOk, AuthContinue:
if len(data) != 0 {
err = authWriteLine(conn.transport, []byte("DATA"), data)
if err != nil {
return err, false
}
}
if status == AuthOk {
state = waitingForOk
}
case AuthError:
err = authWriteLine(conn.transport, []byte("ERROR"))
if err != nil {
return err, false
}
}
case state == waitingForData && string(s[0]) == "REJECTED":
return nil, false
case state == waitingForData && string(s[0]) == "ERROR":
err = authWriteLine(conn.transport, []byte("CANCEL"))
if err != nil {
return err, false
}
state = waitingForReject
case state == waitingForData && string(s[0]) == "OK":
if len(s) != 2 {
err = authWriteLine(conn.transport, []byte("CANCEL"))
if err != nil {
return err, false
}
state = waitingForReject
} else {
conn.uuid = string(s[1])
return nil, true
}
case state == waitingForData:
err = authWriteLine(conn.transport, []byte("ERROR"))
if err != nil {
return err, false
}
case state == waitingForOk && string(s[0]) == "OK":
if len(s) != 2 {
err = authWriteLine(conn.transport, []byte("CANCEL"))
if err != nil {
return err, false
}
state = waitingForReject
} else {
conn.uuid = string(s[1])
return nil, true
}
case state == waitingForOk && string(s[0]) == "DATA":
err = authWriteLine(conn.transport, []byte("DATA"))
if err != nil {
return err, false
}
case state == waitingForOk && string(s[0]) == "REJECTED":
return nil, false
case state == waitingForOk && string(s[0]) == "ERROR":
err = authWriteLine(conn.transport, []byte("CANCEL"))
if err != nil {
return err, false
}
state = waitingForReject
case state == waitingForOk:
err = authWriteLine(conn.transport, []byte("ERROR"))
if err != nil {
return err, false
}
case state == waitingForReject && string(s[0]) == "REJECTED":
return nil, false
case state == waitingForReject:
return errors.New("dbus: authentication protocol error"), false
default:
panic("dbus: invalid auth state")
}
}
}
// authReadLine reads a line and separates it into its fields.
func authReadLine(in *bufio.Reader) ([][]byte, error) {
data, err := in.ReadBytes('\n')
if err != nil {
return nil, err
}
data = bytes.TrimSuffix(data, []byte("\r\n"))
return bytes.Split(data, []byte{' '}), nil
}
// authWriteLine writes the given line in the authentication protocol format
// (elements of data separated by a " " and terminated by "\r\n").
func authWriteLine(out io.Writer, data ...[]byte) error {
buf := make([]byte, 0)
for i, v := range data {
buf = append(buf, v...)
if i != len(data)-1 {
buf = append(buf, ' ')
}
}
buf = append(buf, '\r')
buf = append(buf, '\n')
n, err := out.Write(buf)
if err != nil {
return err
}
if n != len(buf) {
return io.ErrUnexpectedEOF
}
return nil
}

16
vendor/github.com/godbus/dbus/v5/auth_anonymous.go generated vendored Normal file
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package dbus
// AuthAnonymous returns an Auth that uses the ANONYMOUS mechanism.
func AuthAnonymous() Auth {
return &authAnonymous{}
}
type authAnonymous struct{}
func (a *authAnonymous) FirstData() (name, resp []byte, status AuthStatus) {
return []byte("ANONYMOUS"), nil, AuthOk
}
func (a *authAnonymous) HandleData(data []byte) (resp []byte, status AuthStatus) {
return nil, AuthError
}

26
vendor/github.com/godbus/dbus/v5/auth_external.go generated vendored Normal file
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package dbus
import (
"encoding/hex"
)
// AuthExternal returns an Auth that authenticates as the given user with the
// EXTERNAL mechanism.
func AuthExternal(user string) Auth {
return authExternal{user}
}
// AuthExternal implements the EXTERNAL authentication mechanism.
type authExternal struct {
user string
}
func (a authExternal) FirstData() ([]byte, []byte, AuthStatus) {
b := make([]byte, 2*len(a.user))
hex.Encode(b, []byte(a.user))
return []byte("EXTERNAL"), b, AuthOk
}
func (a authExternal) HandleData(b []byte) ([]byte, AuthStatus) {
return nil, AuthError
}

102
vendor/github.com/godbus/dbus/v5/auth_sha1.go generated vendored Normal file
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package dbus
import (
"bufio"
"bytes"
"crypto/rand"
"crypto/sha1"
"encoding/hex"
"os"
)
// AuthCookieSha1 returns an Auth that authenticates as the given user with the
// DBUS_COOKIE_SHA1 mechanism. The home parameter should specify the home
// directory of the user.
func AuthCookieSha1(user, home string) Auth {
return authCookieSha1{user, home}
}
type authCookieSha1 struct {
user, home string
}
func (a authCookieSha1) FirstData() ([]byte, []byte, AuthStatus) {
b := make([]byte, 2*len(a.user))
hex.Encode(b, []byte(a.user))
return []byte("DBUS_COOKIE_SHA1"), b, AuthContinue
}
func (a authCookieSha1) HandleData(data []byte) ([]byte, AuthStatus) {
challenge := make([]byte, len(data)/2)
_, err := hex.Decode(challenge, data)
if err != nil {
return nil, AuthError
}
b := bytes.Split(challenge, []byte{' '})
if len(b) != 3 {
return nil, AuthError
}
context := b[0]
id := b[1]
svchallenge := b[2]
cookie := a.getCookie(context, id)
if cookie == nil {
return nil, AuthError
}
clchallenge := a.generateChallenge()
if clchallenge == nil {
return nil, AuthError
}
hash := sha1.New()
hash.Write(bytes.Join([][]byte{svchallenge, clchallenge, cookie}, []byte{':'}))
hexhash := make([]byte, 2*hash.Size())
hex.Encode(hexhash, hash.Sum(nil))
data = append(clchallenge, ' ')
data = append(data, hexhash...)
resp := make([]byte, 2*len(data))
hex.Encode(resp, data)
return resp, AuthOk
}
// getCookie searches for the cookie identified by id in context and returns
// the cookie content or nil. (Since HandleData can't return a specific error,
// but only whether an error occurred, this function also doesn't bother to
// return an error.)
func (a authCookieSha1) getCookie(context, id []byte) []byte {
file, err := os.Open(a.home + "/.dbus-keyrings/" + string(context))
if err != nil {
return nil
}
defer file.Close()
rd := bufio.NewReader(file)
for {
line, err := rd.ReadBytes('\n')
if err != nil {
return nil
}
line = line[:len(line)-1]
b := bytes.Split(line, []byte{' '})
if len(b) != 3 {
return nil
}
if bytes.Equal(b[0], id) {
return b[2]
}
}
}
// generateChallenge returns a random, hex-encoded challenge, or nil on error
// (see above).
func (a authCookieSha1) generateChallenge() []byte {
b := make([]byte, 16)
n, err := rand.Read(b)
if err != nil {
return nil
}
if n != 16 {
return nil
}
enc := make([]byte, 32)
hex.Encode(enc, b)
return enc
}

69
vendor/github.com/godbus/dbus/v5/call.go generated vendored Normal file
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package dbus
import (
"context"
"errors"
)
var errSignature = errors.New("dbus: mismatched signature")
// Call represents a pending or completed method call.
type Call struct {
Destination string
Path ObjectPath
Method string
Args []interface{}
// Strobes when the call is complete.
Done chan *Call
// After completion, the error status. If this is non-nil, it may be an
// error message from the peer (with Error as its type) or some other error.
Err error
// Holds the response once the call is done.
Body []interface{}
// ResponseSequence stores the sequence number of the DBus message containing
// the call response (or error). This can be compared to the sequence number
// of other call responses and signals on this connection to determine their
// relative ordering on the underlying DBus connection.
// For errors, ResponseSequence is populated only if the error came from a
// DBusMessage that was received or if there was an error receiving. In case of
// failure to make the call, ResponseSequence will be NoSequence.
ResponseSequence Sequence
// tracks context and canceler
ctx context.Context
ctxCanceler context.CancelFunc
}
func (c *Call) Context() context.Context {
if c.ctx == nil {
return context.Background()
}
return c.ctx
}
func (c *Call) ContextCancel() {
if c.ctxCanceler != nil {
c.ctxCanceler()
}
}
// Store stores the body of the reply into the provided pointers. It returns
// an error if the signatures of the body and retvalues don't match, or if
// the error status is not nil.
func (c *Call) Store(retvalues ...interface{}) error {
if c.Err != nil {
return c.Err
}
return Store(c.Body, retvalues...)
}
func (c *Call) done() {
c.Done <- c
c.ContextCancel()
}

996
vendor/github.com/godbus/dbus/v5/conn.go generated vendored Normal file
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package dbus
import (
"context"
"errors"
"io"
"os"
"strings"
"sync"
)
var (
systemBus *Conn
systemBusLck sync.Mutex
sessionBus *Conn
sessionBusLck sync.Mutex
)
// ErrClosed is the error returned by calls on a closed connection.
var ErrClosed = errors.New("dbus: connection closed by user")
// Conn represents a connection to a message bus (usually, the system or
// session bus).
//
// Connections are either shared or private. Shared connections
// are shared between calls to the functions that return them. As a result,
// the methods Close, Auth and Hello must not be called on them.
//
// Multiple goroutines may invoke methods on a connection simultaneously.
type Conn struct {
transport
ctx context.Context
cancelCtx context.CancelFunc
closeOnce sync.Once
closeErr error
busObj BusObject
unixFD bool
uuid string
handler Handler
signalHandler SignalHandler
serialGen SerialGenerator
inInt Interceptor
outInt Interceptor
auth []Auth
names *nameTracker
calls *callTracker
outHandler *outputHandler
eavesdropped chan<- *Message
eavesdroppedLck sync.Mutex
}
// SessionBus returns a shared connection to the session bus, connecting to it
// if not already done.
func SessionBus() (conn *Conn, err error) {
sessionBusLck.Lock()
defer sessionBusLck.Unlock()
if sessionBus != nil &&
sessionBus.Connected() {
return sessionBus, nil
}
defer func() {
if conn != nil {
sessionBus = conn
}
}()
conn, err = ConnectSessionBus()
return
}
func getSessionBusAddress(autolaunch bool) (string, error) {
if address := os.Getenv("DBUS_SESSION_BUS_ADDRESS"); address != "" && address != "autolaunch:" {
return address, nil
} else if address := tryDiscoverDbusSessionBusAddress(); address != "" {
os.Setenv("DBUS_SESSION_BUS_ADDRESS", address)
return address, nil
}
if !autolaunch {
return "", errors.New("dbus: couldn't determine address of session bus")
}
return getSessionBusPlatformAddress()
}
// SessionBusPrivate returns a new private connection to the session bus.
func SessionBusPrivate(opts ...ConnOption) (*Conn, error) {
address, err := getSessionBusAddress(true)
if err != nil {
return nil, err
}
return Dial(address, opts...)
}
// SessionBusPrivate returns a new private connection to the session bus. If
// the session bus is not already open, do not attempt to launch it.
func SessionBusPrivateNoAutoStartup(opts ...ConnOption) (*Conn, error) {
address, err := getSessionBusAddress(false)
if err != nil {
return nil, err
}
return Dial(address, opts...)
}
// SessionBusPrivate returns a new private connection to the session bus.
//
// Deprecated: use SessionBusPrivate with options instead.
func SessionBusPrivateHandler(handler Handler, signalHandler SignalHandler) (*Conn, error) {
return SessionBusPrivate(WithHandler(handler), WithSignalHandler(signalHandler))
}
// SystemBus returns a shared connection to the system bus, connecting to it if
// not already done.
func SystemBus() (conn *Conn, err error) {
systemBusLck.Lock()
defer systemBusLck.Unlock()
if systemBus != nil &&
systemBus.Connected() {
return systemBus, nil
}
defer func() {
if conn != nil {
systemBus = conn
}
}()
conn, err = ConnectSystemBus()
return
}
// ConnectSessionBus connects to the session bus.
func ConnectSessionBus(opts ...ConnOption) (*Conn, error) {
address, err := getSessionBusAddress(true)
if err != nil {
return nil, err
}
return Connect(address, opts...)
}
// ConnectSystemBus connects to the system bus.
func ConnectSystemBus(opts ...ConnOption) (*Conn, error) {
return Connect(getSystemBusPlatformAddress(), opts...)
}
// Connect connects to the given address.
//
// Returned connection is ready to use and doesn't require calling
// Auth and Hello methods to make it usable.
func Connect(address string, opts ...ConnOption) (*Conn, error) {
conn, err := Dial(address, opts...)
if err != nil {
return nil, err
}
if err = conn.Auth(conn.auth); err != nil {
_ = conn.Close()
return nil, err
}
if err = conn.Hello(); err != nil {
_ = conn.Close()
return nil, err
}
return conn, nil
}
// SystemBusPrivate returns a new private connection to the system bus.
// Note: this connection is not ready to use. One must perform Auth and Hello
// on the connection before it is usable.
func SystemBusPrivate(opts ...ConnOption) (*Conn, error) {
return Dial(getSystemBusPlatformAddress(), opts...)
}
// SystemBusPrivateHandler returns a new private connection to the system bus, using the provided handlers.
//
// Deprecated: use SystemBusPrivate with options instead.
func SystemBusPrivateHandler(handler Handler, signalHandler SignalHandler) (*Conn, error) {
return SystemBusPrivate(WithHandler(handler), WithSignalHandler(signalHandler))
}
// Dial establishes a new private connection to the message bus specified by address.
func Dial(address string, opts ...ConnOption) (*Conn, error) {
tr, err := getTransport(address)
if err != nil {
return nil, err
}
return newConn(tr, opts...)
}
// DialHandler establishes a new private connection to the message bus specified by address, using the supplied handlers.
//
// Deprecated: use Dial with options instead.
func DialHandler(address string, handler Handler, signalHandler SignalHandler) (*Conn, error) {
return Dial(address, WithHandler(handler), WithSignalHandler(signalHandler))
}
// ConnOption is a connection option.
type ConnOption func(conn *Conn) error
// WithHandler overrides the default handler.
func WithHandler(handler Handler) ConnOption {
return func(conn *Conn) error {
conn.handler = handler
return nil
}
}
// WithSignalHandler overrides the default signal handler.
func WithSignalHandler(handler SignalHandler) ConnOption {
return func(conn *Conn) error {
conn.signalHandler = handler
return nil
}
}
// WithSerialGenerator overrides the default signals generator.
func WithSerialGenerator(gen SerialGenerator) ConnOption {
return func(conn *Conn) error {
conn.serialGen = gen
return nil
}
}
// WithAuth sets authentication methods for the auth conversation.
func WithAuth(methods ...Auth) ConnOption {
return func(conn *Conn) error {
conn.auth = methods
return nil
}
}
// Interceptor intercepts incoming and outgoing messages.
type Interceptor func(msg *Message)
// WithIncomingInterceptor sets the given interceptor for incoming messages.
func WithIncomingInterceptor(interceptor Interceptor) ConnOption {
return func(conn *Conn) error {
conn.inInt = interceptor
return nil
}
}
// WithOutgoingInterceptor sets the given interceptor for outgoing messages.
func WithOutgoingInterceptor(interceptor Interceptor) ConnOption {
return func(conn *Conn) error {
conn.outInt = interceptor
return nil
}
}
// WithContext overrides the default context for the connection.
func WithContext(ctx context.Context) ConnOption {
return func(conn *Conn) error {
conn.ctx = ctx
return nil
}
}
// NewConn creates a new private *Conn from an already established connection.
func NewConn(conn io.ReadWriteCloser, opts ...ConnOption) (*Conn, error) {
return newConn(genericTransport{conn}, opts...)
}
// NewConnHandler creates a new private *Conn from an already established connection, using the supplied handlers.
//
// Deprecated: use NewConn with options instead.
func NewConnHandler(conn io.ReadWriteCloser, handler Handler, signalHandler SignalHandler) (*Conn, error) {
return NewConn(genericTransport{conn}, WithHandler(handler), WithSignalHandler(signalHandler))
}
// newConn creates a new *Conn from a transport.
func newConn(tr transport, opts ...ConnOption) (*Conn, error) {
conn := new(Conn)
conn.transport = tr
for _, opt := range opts {
if err := opt(conn); err != nil {
return nil, err
}
}
if conn.ctx == nil {
conn.ctx = context.Background()
}
conn.ctx, conn.cancelCtx = context.WithCancel(conn.ctx)
conn.calls = newCallTracker()
if conn.handler == nil {
conn.handler = NewDefaultHandler()
}
if conn.signalHandler == nil {
conn.signalHandler = NewDefaultSignalHandler()
}
if conn.serialGen == nil {
conn.serialGen = newSerialGenerator()
}
conn.outHandler = &outputHandler{conn: conn}
conn.names = newNameTracker()
conn.busObj = conn.Object("org.freedesktop.DBus", "/org/freedesktop/DBus")
go func() {
<-conn.ctx.Done()
conn.Close()
}()
return conn, nil
}
// BusObject returns the object owned by the bus daemon which handles
// administrative requests.
func (conn *Conn) BusObject() BusObject {
return conn.busObj
}
// Close closes the connection. Any blocked operations will return with errors
// and the channels passed to Eavesdrop and Signal are closed. This method must
// not be called on shared connections.
func (conn *Conn) Close() error {
conn.closeOnce.Do(func() {
conn.outHandler.close()
if term, ok := conn.signalHandler.(Terminator); ok {
term.Terminate()
}
if term, ok := conn.handler.(Terminator); ok {
term.Terminate()
}
conn.eavesdroppedLck.Lock()
if conn.eavesdropped != nil {
close(conn.eavesdropped)
}
conn.eavesdroppedLck.Unlock()
conn.cancelCtx()
conn.closeErr = conn.transport.Close()
})
return conn.closeErr
}
// Context returns the context associated with the connection. The
// context will be cancelled when the connection is closed.
func (conn *Conn) Context() context.Context {
return conn.ctx
}
// Connected returns whether conn is connected
func (conn *Conn) Connected() bool {
return conn.ctx.Err() == nil
}
// Eavesdrop causes conn to send all incoming messages to the given channel
// without further processing. Method replies, errors and signals will not be
// sent to the appropriate channels and method calls will not be handled. If nil
// is passed, the normal behaviour is restored.
//
// The caller has to make sure that ch is sufficiently buffered;
// if a message arrives when a write to ch is not possible, the message is
// discarded.
func (conn *Conn) Eavesdrop(ch chan<- *Message) {
conn.eavesdroppedLck.Lock()
conn.eavesdropped = ch
conn.eavesdroppedLck.Unlock()
}
// getSerial returns an unused serial.
func (conn *Conn) getSerial() uint32 {
return conn.serialGen.GetSerial()
}
// Hello sends the initial org.freedesktop.DBus.Hello call. This method must be
// called after authentication, but before sending any other messages to the
// bus. Hello must not be called for shared connections.
func (conn *Conn) Hello() error {
var s string
err := conn.busObj.Call("org.freedesktop.DBus.Hello", 0).Store(&s)
if err != nil {
return err
}
conn.names.acquireUniqueConnectionName(s)
return nil
}
// inWorker runs in an own goroutine, reading incoming messages from the
// transport and dispatching them appropriately.
func (conn *Conn) inWorker() {
sequenceGen := newSequenceGenerator()
for {
msg, err := conn.ReadMessage()
if err != nil {
if _, ok := err.(InvalidMessageError); !ok {
// Some read error occurred (usually EOF); we can't really do
// anything but to shut down all stuff and returns errors to all
// pending replies.
conn.Close()
conn.calls.finalizeAllWithError(sequenceGen, err)
return
}
// invalid messages are ignored
continue
}
conn.eavesdroppedLck.Lock()
if conn.eavesdropped != nil {
select {
case conn.eavesdropped <- msg:
default:
}
conn.eavesdroppedLck.Unlock()
continue
}
conn.eavesdroppedLck.Unlock()
dest, _ := msg.Headers[FieldDestination].value.(string)
found := dest == "" ||
!conn.names.uniqueNameIsKnown() ||
conn.names.isKnownName(dest)
if !found {
// Eavesdropped a message, but no channel for it is registered.
// Ignore it.
continue
}
if conn.inInt != nil {
conn.inInt(msg)
}
sequence := sequenceGen.next()
switch msg.Type {
case TypeError:
conn.serialGen.RetireSerial(conn.calls.handleDBusError(sequence, msg))
case TypeMethodReply:
conn.serialGen.RetireSerial(conn.calls.handleReply(sequence, msg))
case TypeSignal:
conn.handleSignal(sequence, msg)
case TypeMethodCall:
go conn.handleCall(msg)
}
}
}
func (conn *Conn) handleSignal(sequence Sequence, msg *Message) {
iface := msg.Headers[FieldInterface].value.(string)
member := msg.Headers[FieldMember].value.(string)
// as per http://dbus.freedesktop.org/doc/dbus-specification.html ,
// sender is optional for signals.
sender, _ := msg.Headers[FieldSender].value.(string)
if iface == "org.freedesktop.DBus" && sender == "org.freedesktop.DBus" {
if member == "NameLost" {
// If we lost the name on the bus, remove it from our
// tracking list.
name, ok := msg.Body[0].(string)
if !ok {
panic("Unable to read the lost name")
}
conn.names.loseName(name)
} else if member == "NameAcquired" {
// If we acquired the name on the bus, add it to our
// tracking list.
name, ok := msg.Body[0].(string)
if !ok {
panic("Unable to read the acquired name")
}
conn.names.acquireName(name)
}
}
signal := &Signal{
Sender: sender,
Path: msg.Headers[FieldPath].value.(ObjectPath),
Name: iface + "." + member,
Body: msg.Body,
Sequence: sequence,
}
conn.signalHandler.DeliverSignal(iface, member, signal)
}
// Names returns the list of all names that are currently owned by this
// connection. The slice is always at least one element long, the first element
// being the unique name of the connection.
func (conn *Conn) Names() []string {
return conn.names.listKnownNames()
}
// Object returns the object identified by the given destination name and path.
func (conn *Conn) Object(dest string, path ObjectPath) BusObject {
return &Object{conn, dest, path}
}
func (conn *Conn) sendMessageAndIfClosed(msg *Message, ifClosed func()) {
if msg.serial == 0 {
msg.serial = conn.getSerial()
}
if conn.outInt != nil {
conn.outInt(msg)
}
err := conn.outHandler.sendAndIfClosed(msg, ifClosed)
if err != nil {
conn.handleSendError(msg, err)
} else if msg.Type != TypeMethodCall {
conn.serialGen.RetireSerial(msg.serial)
}
}
func (conn *Conn) handleSendError(msg *Message, err error) {
if msg.Type == TypeMethodCall {
conn.calls.handleSendError(msg, err)
} else if msg.Type == TypeMethodReply {
if _, ok := err.(FormatError); ok {
conn.sendError(err, msg.Headers[FieldDestination].value.(string), msg.Headers[FieldReplySerial].value.(uint32))
}
}
conn.serialGen.RetireSerial(msg.serial)
}
// Send sends the given message to the message bus. You usually don't need to
// use this; use the higher-level equivalents (Call / Go, Emit and Export)
// instead. If msg is a method call and NoReplyExpected is not set, a non-nil
// call is returned and the same value is sent to ch (which must be buffered)
// once the call is complete. Otherwise, ch is ignored and a Call structure is
// returned of which only the Err member is valid.
func (conn *Conn) Send(msg *Message, ch chan *Call) *Call {
return conn.send(context.Background(), msg, ch)
}
// SendWithContext acts like Send but takes a context
func (conn *Conn) SendWithContext(ctx context.Context, msg *Message, ch chan *Call) *Call {
return conn.send(ctx, msg, ch)
}
func (conn *Conn) send(ctx context.Context, msg *Message, ch chan *Call) *Call {
if ctx == nil {
panic("nil context")
}
if ch == nil {
ch = make(chan *Call, 1)
} else if cap(ch) == 0 {
panic("dbus: unbuffered channel passed to (*Conn).Send")
}
var call *Call
ctx, canceler := context.WithCancel(ctx)
msg.serial = conn.getSerial()
if msg.Type == TypeMethodCall && msg.Flags&FlagNoReplyExpected == 0 {
call = new(Call)
call.Destination, _ = msg.Headers[FieldDestination].value.(string)
call.Path, _ = msg.Headers[FieldPath].value.(ObjectPath)
iface, _ := msg.Headers[FieldInterface].value.(string)
member, _ := msg.Headers[FieldMember].value.(string)
call.Method = iface + "." + member
call.Args = msg.Body
call.Done = ch
call.ctx = ctx
call.ctxCanceler = canceler
conn.calls.track(msg.serial, call)
if ctx.Err() != nil {
// short path: don't even send the message if context already cancelled
conn.calls.handleSendError(msg, ctx.Err())
return call
}
go func() {
<-ctx.Done()
conn.calls.handleSendError(msg, ctx.Err())
}()
conn.sendMessageAndIfClosed(msg, func() {
conn.calls.handleSendError(msg, ErrClosed)
canceler()
})
} else {
canceler()
call = &Call{Err: nil, Done: ch}
ch <- call
conn.sendMessageAndIfClosed(msg, func() {
call = &Call{Err: ErrClosed}
})
}
return call
}
// sendError creates an error message corresponding to the parameters and sends
// it to conn.out.
func (conn *Conn) sendError(err error, dest string, serial uint32) {
var e *Error
switch em := err.(type) {
case Error:
e = &em
case *Error:
e = em
case DBusError:
name, body := em.DBusError()
e = NewError(name, body)
default:
e = MakeFailedError(err)
}
msg := new(Message)
msg.Type = TypeError
msg.Headers = make(map[HeaderField]Variant)
if dest != "" {
msg.Headers[FieldDestination] = MakeVariant(dest)
}
msg.Headers[FieldErrorName] = MakeVariant(e.Name)
msg.Headers[FieldReplySerial] = MakeVariant(serial)
msg.Body = e.Body
if len(e.Body) > 0 {
msg.Headers[FieldSignature] = MakeVariant(SignatureOf(e.Body...))
}
conn.sendMessageAndIfClosed(msg, nil)
}
// sendReply creates a method reply message corresponding to the parameters and
// sends it to conn.out.
func (conn *Conn) sendReply(dest string, serial uint32, values ...interface{}) {
msg := new(Message)
msg.Type = TypeMethodReply
msg.Headers = make(map[HeaderField]Variant)
if dest != "" {
msg.Headers[FieldDestination] = MakeVariant(dest)
}
msg.Headers[FieldReplySerial] = MakeVariant(serial)
msg.Body = values
if len(values) > 0 {
msg.Headers[FieldSignature] = MakeVariant(SignatureOf(values...))
}
conn.sendMessageAndIfClosed(msg, nil)
}
// AddMatchSignal registers the given match rule to receive broadcast
// signals based on their contents.
func (conn *Conn) AddMatchSignal(options ...MatchOption) error {
return conn.AddMatchSignalContext(context.Background(), options...)
}
// AddMatchSignalContext acts like AddMatchSignal but takes a context.
func (conn *Conn) AddMatchSignalContext(ctx context.Context, options ...MatchOption) error {
options = append([]MatchOption{withMatchType("signal")}, options...)
return conn.busObj.CallWithContext(
ctx,
"org.freedesktop.DBus.AddMatch", 0,
formatMatchOptions(options),
).Store()
}
// RemoveMatchSignal removes the first rule that matches previously registered with AddMatchSignal.
func (conn *Conn) RemoveMatchSignal(options ...MatchOption) error {
return conn.RemoveMatchSignalContext(context.Background(), options...)
}
// RemoveMatchSignalContext acts like RemoveMatchSignal but takes a context.
func (conn *Conn) RemoveMatchSignalContext(ctx context.Context, options ...MatchOption) error {
options = append([]MatchOption{withMatchType("signal")}, options...)
return conn.busObj.CallWithContext(
ctx,
"org.freedesktop.DBus.RemoveMatch", 0,
formatMatchOptions(options),
).Store()
}
// Signal registers the given channel to be passed all received signal messages.
//
// Multiple of these channels can be registered at the same time. The channel is
// closed if the Conn is closed; it should not be closed by the caller before
// RemoveSignal was called on it.
//
// These channels are "overwritten" by Eavesdrop; i.e., if there currently is a
// channel for eavesdropped messages, this channel receives all signals, and
// none of the channels passed to Signal will receive any signals.
//
// Panics if the signal handler is not a `SignalRegistrar`.
func (conn *Conn) Signal(ch chan<- *Signal) {
handler, ok := conn.signalHandler.(SignalRegistrar)
if !ok {
panic("cannot use this method with a non SignalRegistrar handler")
}
handler.AddSignal(ch)
}
// RemoveSignal removes the given channel from the list of the registered channels.
//
// Panics if the signal handler is not a `SignalRegistrar`.
func (conn *Conn) RemoveSignal(ch chan<- *Signal) {
handler, ok := conn.signalHandler.(SignalRegistrar)
if !ok {
panic("cannot use this method with a non SignalRegistrar handler")
}
handler.RemoveSignal(ch)
}
// SupportsUnixFDs returns whether the underlying transport supports passing of
// unix file descriptors. If this is false, method calls containing unix file
// descriptors will return an error and emitted signals containing them will
// not be sent.
func (conn *Conn) SupportsUnixFDs() bool {
return conn.unixFD
}
// Error represents a D-Bus message of type Error.
type Error struct {
Name string
Body []interface{}
}
func NewError(name string, body []interface{}) *Error {
return &Error{name, body}
}
func (e Error) Error() string {
if len(e.Body) >= 1 {
s, ok := e.Body[0].(string)
if ok {
return s
}
}
return e.Name
}
// Signal represents a D-Bus message of type Signal. The name member is given in
// "interface.member" notation, e.g. org.freedesktop.D-Bus.NameLost.
type Signal struct {
Sender string
Path ObjectPath
Name string
Body []interface{}
Sequence Sequence
}
// transport is a D-Bus transport.
type transport interface {
// Read and Write raw data (for example, for the authentication protocol).
io.ReadWriteCloser
// Send the initial null byte used for the EXTERNAL mechanism.
SendNullByte() error
// Returns whether this transport supports passing Unix FDs.
SupportsUnixFDs() bool
// Signal the transport that Unix FD passing is enabled for this connection.
EnableUnixFDs()
// Read / send a message, handling things like Unix FDs.
ReadMessage() (*Message, error)
SendMessage(*Message) error
}
var (
transports = make(map[string]func(string) (transport, error))
)
func getTransport(address string) (transport, error) {
var err error
var t transport
addresses := strings.Split(address, ";")
for _, v := range addresses {
i := strings.IndexRune(v, ':')
if i == -1 {
err = errors.New("dbus: invalid bus address (no transport)")
continue
}
f := transports[v[:i]]
if f == nil {
err = errors.New("dbus: invalid bus address (invalid or unsupported transport)")
continue
}
t, err = f(v[i+1:])
if err == nil {
return t, nil
}
}
return nil, err
}
// getKey gets a key from a the list of keys. Returns "" on error / not found...
func getKey(s, key string) string {
for _, keyEqualsValue := range strings.Split(s, ",") {
keyValue := strings.SplitN(keyEqualsValue, "=", 2)
if len(keyValue) == 2 && keyValue[0] == key {
val, err := UnescapeBusAddressValue(keyValue[1])
if err != nil {
// No way to return an error.
return ""
}
return val
}
}
return ""
}
type outputHandler struct {
conn *Conn
sendLck sync.Mutex
closed struct {
isClosed bool
lck sync.RWMutex
}
}
func (h *outputHandler) sendAndIfClosed(msg *Message, ifClosed func()) error {
h.closed.lck.RLock()
defer h.closed.lck.RUnlock()
if h.closed.isClosed {
if ifClosed != nil {
ifClosed()
}
return nil
}
h.sendLck.Lock()
defer h.sendLck.Unlock()
return h.conn.SendMessage(msg)
}
func (h *outputHandler) close() {
h.closed.lck.Lock()
defer h.closed.lck.Unlock()
h.closed.isClosed = true
}
type serialGenerator struct {
lck sync.Mutex
nextSerial uint32
serialUsed map[uint32]bool
}
func newSerialGenerator() *serialGenerator {
return &serialGenerator{
serialUsed: map[uint32]bool{0: true},
nextSerial: 1,
}
}
func (gen *serialGenerator) GetSerial() uint32 {
gen.lck.Lock()
defer gen.lck.Unlock()
n := gen.nextSerial
for gen.serialUsed[n] {
n++
}
gen.serialUsed[n] = true
gen.nextSerial = n + 1
return n
}
func (gen *serialGenerator) RetireSerial(serial uint32) {
gen.lck.Lock()
defer gen.lck.Unlock()
delete(gen.serialUsed, serial)
}
type nameTracker struct {
lck sync.RWMutex
unique string
names map[string]struct{}
}
func newNameTracker() *nameTracker {
return &nameTracker{names: map[string]struct{}{}}
}
func (tracker *nameTracker) acquireUniqueConnectionName(name string) {
tracker.lck.Lock()
defer tracker.lck.Unlock()
tracker.unique = name
}
func (tracker *nameTracker) acquireName(name string) {
tracker.lck.Lock()
defer tracker.lck.Unlock()
tracker.names[name] = struct{}{}
}
func (tracker *nameTracker) loseName(name string) {
tracker.lck.Lock()
defer tracker.lck.Unlock()
delete(tracker.names, name)
}
func (tracker *nameTracker) uniqueNameIsKnown() bool {
tracker.lck.RLock()
defer tracker.lck.RUnlock()
return tracker.unique != ""
}
func (tracker *nameTracker) isKnownName(name string) bool {
tracker.lck.RLock()
defer tracker.lck.RUnlock()
_, ok := tracker.names[name]
return ok || name == tracker.unique
}
func (tracker *nameTracker) listKnownNames() []string {
tracker.lck.RLock()
defer tracker.lck.RUnlock()
out := make([]string, 0, len(tracker.names)+1)
out = append(out, tracker.unique)
for k := range tracker.names {
out = append(out, k)
}
return out
}
type callTracker struct {
calls map[uint32]*Call
lck sync.RWMutex
}
func newCallTracker() *callTracker {
return &callTracker{calls: map[uint32]*Call{}}
}
func (tracker *callTracker) track(sn uint32, call *Call) {
tracker.lck.Lock()
tracker.calls[sn] = call
tracker.lck.Unlock()
}
func (tracker *callTracker) handleReply(sequence Sequence, msg *Message) uint32 {
serial := msg.Headers[FieldReplySerial].value.(uint32)
tracker.lck.RLock()
_, ok := tracker.calls[serial]
tracker.lck.RUnlock()
if ok {
tracker.finalizeWithBody(serial, sequence, msg.Body)
}
return serial
}
func (tracker *callTracker) handleDBusError(sequence Sequence, msg *Message) uint32 {
serial := msg.Headers[FieldReplySerial].value.(uint32)
tracker.lck.RLock()
_, ok := tracker.calls[serial]
tracker.lck.RUnlock()
if ok {
name, _ := msg.Headers[FieldErrorName].value.(string)
tracker.finalizeWithError(serial, sequence, Error{name, msg.Body})
}
return serial
}
func (tracker *callTracker) handleSendError(msg *Message, err error) {
if err == nil {
return
}
tracker.lck.RLock()
_, ok := tracker.calls[msg.serial]
tracker.lck.RUnlock()
if ok {
tracker.finalizeWithError(msg.serial, NoSequence, err)
}
}
// finalize was the only func that did not strobe Done
func (tracker *callTracker) finalize(sn uint32) {
tracker.lck.Lock()
defer tracker.lck.Unlock()
c, ok := tracker.calls[sn]
if ok {
delete(tracker.calls, sn)
c.ContextCancel()
}
}
func (tracker *callTracker) finalizeWithBody(sn uint32, sequence Sequence, body []interface{}) {
tracker.lck.Lock()
c, ok := tracker.calls[sn]
if ok {
delete(tracker.calls, sn)
}
tracker.lck.Unlock()
if ok {
c.Body = body
c.ResponseSequence = sequence
c.done()
}
}
func (tracker *callTracker) finalizeWithError(sn uint32, sequence Sequence, err error) {
tracker.lck.Lock()
c, ok := tracker.calls[sn]
if ok {
delete(tracker.calls, sn)
}
tracker.lck.Unlock()
if ok {
c.Err = err
c.ResponseSequence = sequence
c.done()
}
}
func (tracker *callTracker) finalizeAllWithError(sequenceGen *sequenceGenerator, err error) {
tracker.lck.Lock()
closedCalls := make([]*Call, 0, len(tracker.calls))
for sn := range tracker.calls {
closedCalls = append(closedCalls, tracker.calls[sn])
}
tracker.calls = map[uint32]*Call{}
tracker.lck.Unlock()
for _, call := range closedCalls {
call.Err = err
call.ResponseSequence = sequenceGen.next()
call.done()
}
}

37
vendor/github.com/godbus/dbus/v5/conn_darwin.go generated vendored Normal file
View file

@ -0,0 +1,37 @@
package dbus
import (
"errors"
"fmt"
"os"
"os/exec"
)
const defaultSystemBusAddress = "unix:path=/opt/local/var/run/dbus/system_bus_socket"
func getSessionBusPlatformAddress() (string, error) {
cmd := exec.Command("launchctl", "getenv", "DBUS_LAUNCHD_SESSION_BUS_SOCKET")
b, err := cmd.CombinedOutput()
if err != nil {
return "", err
}
if len(b) == 0 {
return "", errors.New("dbus: couldn't determine address of session bus")
}
return "unix:path=" + string(b[:len(b)-1]), nil
}
func getSystemBusPlatformAddress() string {
address := os.Getenv("DBUS_LAUNCHD_SESSION_BUS_SOCKET")
if address != "" {
return fmt.Sprintf("unix:path=%s", address)
}
return defaultSystemBusAddress
}
func tryDiscoverDbusSessionBusAddress() string {
return ""
}

90
vendor/github.com/godbus/dbus/v5/conn_other.go generated vendored Normal file
View file

@ -0,0 +1,90 @@
// +build !darwin
package dbus
import (
"bytes"
"errors"
"fmt"
"io/ioutil"
"os"
"os/exec"
"os/user"
"path"
"strings"
)
var execCommand = exec.Command
func getSessionBusPlatformAddress() (string, error) {
cmd := execCommand("dbus-launch")
b, err := cmd.CombinedOutput()
if err != nil {
return "", err
}
i := bytes.IndexByte(b, '=')
j := bytes.IndexByte(b, '\n')
if i == -1 || j == -1 || i > j {
return "", errors.New("dbus: couldn't determine address of session bus")
}
env, addr := string(b[0:i]), string(b[i+1:j])
os.Setenv(env, addr)
return addr, nil
}
// tryDiscoverDbusSessionBusAddress tries to discover an existing dbus session
// and return the value of its DBUS_SESSION_BUS_ADDRESS.
// It tries different techniques employed by different operating systems,
// returning the first valid address it finds, or an empty string.
//
// * /run/user/<uid>/bus if this exists, it *is* the bus socket. present on
// Ubuntu 18.04
// * /run/user/<uid>/dbus-session: if this exists, it can be parsed for the bus
// address. present on Ubuntu 16.04
//
// See https://dbus.freedesktop.org/doc/dbus-launch.1.html
func tryDiscoverDbusSessionBusAddress() string {
if runtimeDirectory, err := getRuntimeDirectory(); err == nil {
if runUserBusFile := path.Join(runtimeDirectory, "bus"); fileExists(runUserBusFile) {
// if /run/user/<uid>/bus exists, that file itself
// *is* the unix socket, so return its path
return fmt.Sprintf("unix:path=%s", EscapeBusAddressValue(runUserBusFile))
}
if runUserSessionDbusFile := path.Join(runtimeDirectory, "dbus-session"); fileExists(runUserSessionDbusFile) {
// if /run/user/<uid>/dbus-session exists, it's a
// text file // containing the address of the socket, e.g.:
// DBUS_SESSION_BUS_ADDRESS=unix:abstract=/tmp/dbus-E1c73yNqrG
if f, err := ioutil.ReadFile(runUserSessionDbusFile); err == nil {
fileContent := string(f)
prefix := "DBUS_SESSION_BUS_ADDRESS="
if strings.HasPrefix(fileContent, prefix) {
address := strings.TrimRight(strings.TrimPrefix(fileContent, prefix), "\n\r")
return address
}
}
}
}
return ""
}
func getRuntimeDirectory() (string, error) {
if currentUser, err := user.Current(); err != nil {
return "", err
} else {
return fmt.Sprintf("/run/user/%s", currentUser.Uid), nil
}
}
func fileExists(filename string) bool {
_, err := os.Stat(filename)
return !os.IsNotExist(err)
}

17
vendor/github.com/godbus/dbus/v5/conn_unix.go generated vendored Normal file
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@ -0,0 +1,17 @@
//+build !windows,!solaris,!darwin
package dbus
import (
"os"
)
const defaultSystemBusAddress = "unix:path=/var/run/dbus/system_bus_socket"
func getSystemBusPlatformAddress() string {
address := os.Getenv("DBUS_SYSTEM_BUS_ADDRESS")
if address != "" {
return address
}
return defaultSystemBusAddress
}

15
vendor/github.com/godbus/dbus/v5/conn_windows.go generated vendored Normal file
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@ -0,0 +1,15 @@
//+build windows
package dbus
import "os"
const defaultSystemBusAddress = "tcp:host=127.0.0.1,port=12434"
func getSystemBusPlatformAddress() string {
address := os.Getenv("DBUS_SYSTEM_BUS_ADDRESS")
if address != "" {
return address
}
return defaultSystemBusAddress
}

430
vendor/github.com/godbus/dbus/v5/dbus.go generated vendored Normal file
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@ -0,0 +1,430 @@
package dbus
import (
"errors"
"fmt"
"reflect"
"strings"
)
var (
byteType = reflect.TypeOf(byte(0))
boolType = reflect.TypeOf(false)
uint8Type = reflect.TypeOf(uint8(0))
int16Type = reflect.TypeOf(int16(0))
uint16Type = reflect.TypeOf(uint16(0))
intType = reflect.TypeOf(int(0))
uintType = reflect.TypeOf(uint(0))
int32Type = reflect.TypeOf(int32(0))
uint32Type = reflect.TypeOf(uint32(0))
int64Type = reflect.TypeOf(int64(0))
uint64Type = reflect.TypeOf(uint64(0))
float64Type = reflect.TypeOf(float64(0))
stringType = reflect.TypeOf("")
signatureType = reflect.TypeOf(Signature{""})
objectPathType = reflect.TypeOf(ObjectPath(""))
variantType = reflect.TypeOf(Variant{Signature{""}, nil})
interfacesType = reflect.TypeOf([]interface{}{})
interfaceType = reflect.TypeOf((*interface{})(nil)).Elem()
unixFDType = reflect.TypeOf(UnixFD(0))
unixFDIndexType = reflect.TypeOf(UnixFDIndex(0))
errType = reflect.TypeOf((*error)(nil)).Elem()
)
// An InvalidTypeError signals that a value which cannot be represented in the
// D-Bus wire format was passed to a function.
type InvalidTypeError struct {
Type reflect.Type
}
func (e InvalidTypeError) Error() string {
return "dbus: invalid type " + e.Type.String()
}
// Store copies the values contained in src to dest, which must be a slice of
// pointers. It converts slices of interfaces from src to corresponding structs
// in dest. An error is returned if the lengths of src and dest or the types of
// their elements don't match.
func Store(src []interface{}, dest ...interface{}) error {
if len(src) != len(dest) {
return errors.New("dbus.Store: length mismatch")
}
for i := range src {
if err := storeInterfaces(src[i], dest[i]); err != nil {
return err
}
}
return nil
}
func storeInterfaces(src, dest interface{}) error {
return store(reflect.ValueOf(dest), reflect.ValueOf(src))
}
func store(dest, src reflect.Value) error {
if dest.Kind() == reflect.Ptr {
if dest.IsNil() {
dest.Set(reflect.New(dest.Type().Elem()))
}
return store(dest.Elem(), src)
}
switch src.Kind() {
case reflect.Slice:
return storeSlice(dest, src)
case reflect.Map:
return storeMap(dest, src)
default:
return storeBase(dest, src)
}
}
func storeBase(dest, src reflect.Value) error {
return setDest(dest, src)
}
func setDest(dest, src reflect.Value) error {
if !isVariant(src.Type()) && isVariant(dest.Type()) {
//special conversion for dbus.Variant
dest.Set(reflect.ValueOf(MakeVariant(src.Interface())))
return nil
}
if isVariant(src.Type()) && !isVariant(dest.Type()) {
src = getVariantValue(src)
return store(dest, src)
}
if !src.Type().ConvertibleTo(dest.Type()) {
return fmt.Errorf(
"dbus.Store: type mismatch: cannot convert %s to %s",
src.Type(), dest.Type())
}
dest.Set(src.Convert(dest.Type()))
return nil
}
func kindsAreCompatible(dest, src reflect.Type) bool {
switch {
case isVariant(dest):
return true
case dest.Kind() == reflect.Interface:
return true
default:
return dest.Kind() == src.Kind()
}
}
func isConvertibleTo(dest, src reflect.Type) bool {
switch {
case isVariant(dest):
return true
case dest.Kind() == reflect.Interface:
return true
case dest.Kind() == reflect.Slice:
return src.Kind() == reflect.Slice &&
isConvertibleTo(dest.Elem(), src.Elem())
case dest.Kind() == reflect.Ptr:
dest = dest.Elem()
return isConvertibleTo(dest, src)
case dest.Kind() == reflect.Struct:
return src == interfacesType || dest.Kind() == src.Kind()
default:
return src.ConvertibleTo(dest)
}
}
func storeMap(dest, src reflect.Value) error {
switch {
case !kindsAreCompatible(dest.Type(), src.Type()):
return fmt.Errorf(
"dbus.Store: type mismatch: "+
"map: cannot store a value of %s into %s",
src.Type(), dest.Type())
case isVariant(dest.Type()):
return storeMapIntoVariant(dest, src)
case dest.Kind() == reflect.Interface:
return storeMapIntoInterface(dest, src)
case isConvertibleTo(dest.Type().Key(), src.Type().Key()) &&
isConvertibleTo(dest.Type().Elem(), src.Type().Elem()):
return storeMapIntoMap(dest, src)
default:
return fmt.Errorf(
"dbus.Store: type mismatch: "+
"map: cannot convert a value of %s into %s",
src.Type(), dest.Type())
}
}
func storeMapIntoVariant(dest, src reflect.Value) error {
dv := reflect.MakeMap(src.Type())
err := store(dv, src)
if err != nil {
return err
}
return storeBase(dest, dv)
}
func storeMapIntoInterface(dest, src reflect.Value) error {
var dv reflect.Value
if isVariant(src.Type().Elem()) {
//Convert variants to interface{} recursively when converting
//to interface{}
dv = reflect.MakeMap(
reflect.MapOf(src.Type().Key(), interfaceType))
} else {
dv = reflect.MakeMap(src.Type())
}
err := store(dv, src)
if err != nil {
return err
}
return storeBase(dest, dv)
}
func storeMapIntoMap(dest, src reflect.Value) error {
if dest.IsNil() {
dest.Set(reflect.MakeMap(dest.Type()))
}
keys := src.MapKeys()
for _, key := range keys {
dkey := key.Convert(dest.Type().Key())
dval := reflect.New(dest.Type().Elem()).Elem()
err := store(dval, getVariantValue(src.MapIndex(key)))
if err != nil {
return err
}
dest.SetMapIndex(dkey, dval)
}
return nil
}
func storeSlice(dest, src reflect.Value) error {
switch {
case src.Type() == interfacesType && dest.Kind() == reflect.Struct:
//The decoder always decodes structs as slices of interface{}
return storeStruct(dest, src)
case !kindsAreCompatible(dest.Type(), src.Type()):
return fmt.Errorf(
"dbus.Store: type mismatch: "+
"slice: cannot store a value of %s into %s",
src.Type(), dest.Type())
case isVariant(dest.Type()):
return storeSliceIntoVariant(dest, src)
case dest.Kind() == reflect.Interface:
return storeSliceIntoInterface(dest, src)
case isConvertibleTo(dest.Type().Elem(), src.Type().Elem()):
return storeSliceIntoSlice(dest, src)
default:
return fmt.Errorf(
"dbus.Store: type mismatch: "+
"slice: cannot convert a value of %s into %s",
src.Type(), dest.Type())
}
}
func storeStruct(dest, src reflect.Value) error {
if isVariant(dest.Type()) {
return storeBase(dest, src)
}
dval := make([]interface{}, 0, dest.NumField())
dtype := dest.Type()
for i := 0; i < dest.NumField(); i++ {
field := dest.Field(i)
ftype := dtype.Field(i)
if ftype.PkgPath != "" {
continue
}
if ftype.Tag.Get("dbus") == "-" {
continue
}
dval = append(dval, field.Addr().Interface())
}
if src.Len() != len(dval) {
return fmt.Errorf(
"dbus.Store: type mismatch: "+
"destination struct does not have "+
"enough fields need: %d have: %d",
src.Len(), len(dval))
}
return Store(src.Interface().([]interface{}), dval...)
}
func storeSliceIntoVariant(dest, src reflect.Value) error {
dv := reflect.MakeSlice(src.Type(), src.Len(), src.Cap())
err := store(dv, src)
if err != nil {
return err
}
return storeBase(dest, dv)
}
func storeSliceIntoInterface(dest, src reflect.Value) error {
var dv reflect.Value
if isVariant(src.Type().Elem()) {
//Convert variants to interface{} recursively when converting
//to interface{}
dv = reflect.MakeSlice(reflect.SliceOf(interfaceType),
src.Len(), src.Cap())
} else {
dv = reflect.MakeSlice(src.Type(), src.Len(), src.Cap())
}
err := store(dv, src)
if err != nil {
return err
}
return storeBase(dest, dv)
}
func storeSliceIntoSlice(dest, src reflect.Value) error {
if dest.IsNil() || dest.Len() < src.Len() {
dest.Set(reflect.MakeSlice(dest.Type(), src.Len(), src.Cap()))
} else if dest.Len() > src.Len() {
dest.Set(dest.Slice(0, src.Len()))
}
for i := 0; i < src.Len(); i++ {
err := store(dest.Index(i), getVariantValue(src.Index(i)))
if err != nil {
return err
}
}
return nil
}
func getVariantValue(in reflect.Value) reflect.Value {
if isVariant(in.Type()) {
return reflect.ValueOf(in.Interface().(Variant).Value())
}
return in
}
func isVariant(t reflect.Type) bool {
return t == variantType
}
// An ObjectPath is an object path as defined by the D-Bus spec.
type ObjectPath string
// IsValid returns whether the object path is valid.
func (o ObjectPath) IsValid() bool {
s := string(o)
if len(s) == 0 {
return false
}
if s[0] != '/' {
return false
}
if s[len(s)-1] == '/' && len(s) != 1 {
return false
}
// probably not used, but technically possible
if s == "/" {
return true
}
split := strings.Split(s[1:], "/")
for _, v := range split {
if len(v) == 0 {
return false
}
for _, c := range v {
if !isMemberChar(c) {
return false
}
}
}
return true
}
// A UnixFD is a Unix file descriptor sent over the wire. See the package-level
// documentation for more information about Unix file descriptor passsing.
type UnixFD int32
// A UnixFDIndex is the representation of a Unix file descriptor in a message.
type UnixFDIndex uint32
// alignment returns the alignment of values of type t.
func alignment(t reflect.Type) int {
switch t {
case variantType:
return 1
case objectPathType:
return 4
case signatureType:
return 1
case interfacesType:
return 4
}
switch t.Kind() {
case reflect.Uint8:
return 1
case reflect.Uint16, reflect.Int16:
return 2
case reflect.Uint, reflect.Int, reflect.Uint32, reflect.Int32, reflect.String, reflect.Array, reflect.Slice, reflect.Map:
return 4
case reflect.Uint64, reflect.Int64, reflect.Float64, reflect.Struct:
return 8
case reflect.Ptr:
return alignment(t.Elem())
}
return 1
}
// isKeyType returns whether t is a valid type for a D-Bus dict.
func isKeyType(t reflect.Type) bool {
switch t.Kind() {
case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64,
reflect.Int16, reflect.Int32, reflect.Int64, reflect.Float64,
reflect.String, reflect.Uint, reflect.Int:
return true
}
return false
}
// isValidInterface returns whether s is a valid name for an interface.
func isValidInterface(s string) bool {
if len(s) == 0 || len(s) > 255 || s[0] == '.' {
return false
}
elem := strings.Split(s, ".")
if len(elem) < 2 {
return false
}
for _, v := range elem {
if len(v) == 0 {
return false
}
if v[0] >= '0' && v[0] <= '9' {
return false
}
for _, c := range v {
if !isMemberChar(c) {
return false
}
}
}
return true
}
// isValidMember returns whether s is a valid name for a member.
func isValidMember(s string) bool {
if len(s) == 0 || len(s) > 255 {
return false
}
i := strings.Index(s, ".")
if i != -1 {
return false
}
if s[0] >= '0' && s[0] <= '9' {
return false
}
for _, c := range s {
if !isMemberChar(c) {
return false
}
}
return true
}
func isMemberChar(c rune) bool {
return (c >= '0' && c <= '9') || (c >= 'A' && c <= 'Z') ||
(c >= 'a' && c <= 'z') || c == '_'
}

292
vendor/github.com/godbus/dbus/v5/decoder.go generated vendored Normal file
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@ -0,0 +1,292 @@
package dbus
import (
"encoding/binary"
"io"
"reflect"
)
type decoder struct {
in io.Reader
order binary.ByteOrder
pos int
fds []int
}
// newDecoder returns a new decoder that reads values from in. The input is
// expected to be in the given byte order.
func newDecoder(in io.Reader, order binary.ByteOrder, fds []int) *decoder {
dec := new(decoder)
dec.in = in
dec.order = order
dec.fds = fds
return dec
}
// align aligns the input to the given boundary and panics on error.
func (dec *decoder) align(n int) {
if dec.pos%n != 0 {
newpos := (dec.pos + n - 1) & ^(n - 1)
empty := make([]byte, newpos-dec.pos)
if _, err := io.ReadFull(dec.in, empty); err != nil {
panic(err)
}
dec.pos = newpos
}
}
// Calls binary.Read(dec.in, dec.order, v) and panics on read errors.
func (dec *decoder) binread(v interface{}) {
if err := binary.Read(dec.in, dec.order, v); err != nil {
panic(err)
}
}
func (dec *decoder) Decode(sig Signature) (vs []interface{}, err error) {
defer func() {
var ok bool
v := recover()
if err, ok = v.(error); ok {
if err == io.EOF || err == io.ErrUnexpectedEOF {
err = FormatError("unexpected EOF")
}
}
}()
vs = make([]interface{}, 0)
s := sig.str
for s != "" {
err, rem := validSingle(s, &depthCounter{})
if err != nil {
return nil, err
}
v := dec.decode(s[:len(s)-len(rem)], 0)
vs = append(vs, v)
s = rem
}
return vs, nil
}
func (dec *decoder) decode(s string, depth int) interface{} {
dec.align(alignment(typeFor(s)))
switch s[0] {
case 'y':
var b [1]byte
if _, err := dec.in.Read(b[:]); err != nil {
panic(err)
}
dec.pos++
return b[0]
case 'b':
i := dec.decode("u", depth).(uint32)
switch {
case i == 0:
return false
case i == 1:
return true
default:
panic(FormatError("invalid value for boolean"))
}
case 'n':
var i int16
dec.binread(&i)
dec.pos += 2
return i
case 'i':
var i int32
dec.binread(&i)
dec.pos += 4
return i
case 'x':
var i int64
dec.binread(&i)
dec.pos += 8
return i
case 'q':
var i uint16
dec.binread(&i)
dec.pos += 2
return i
case 'u':
var i uint32
dec.binread(&i)
dec.pos += 4
return i
case 't':
var i uint64
dec.binread(&i)
dec.pos += 8
return i
case 'd':
var f float64
dec.binread(&f)
dec.pos += 8
return f
case 's':
length := dec.decode("u", depth).(uint32)
b := make([]byte, int(length)+1)
if _, err := io.ReadFull(dec.in, b); err != nil {
panic(err)
}
dec.pos += int(length) + 1
return string(b[:len(b)-1])
case 'o':
return ObjectPath(dec.decode("s", depth).(string))
case 'g':
length := dec.decode("y", depth).(byte)
b := make([]byte, int(length)+1)
if _, err := io.ReadFull(dec.in, b); err != nil {
panic(err)
}
dec.pos += int(length) + 1
sig, err := ParseSignature(string(b[:len(b)-1]))
if err != nil {
panic(err)
}
return sig
case 'v':
if depth >= 64 {
panic(FormatError("input exceeds container depth limit"))
}
var variant Variant
sig := dec.decode("g", depth).(Signature)
if len(sig.str) == 0 {
panic(FormatError("variant signature is empty"))
}
err, rem := validSingle(sig.str, &depthCounter{})
if err != nil {
panic(err)
}
if rem != "" {
panic(FormatError("variant signature has multiple types"))
}
variant.sig = sig
variant.value = dec.decode(sig.str, depth+1)
return variant
case 'h':
idx := dec.decode("u", depth).(uint32)
if int(idx) < len(dec.fds) {
return UnixFD(dec.fds[idx])
}
return UnixFDIndex(idx)
case 'a':
if len(s) > 1 && s[1] == '{' {
ksig := s[2:3]
vsig := s[3 : len(s)-1]
v := reflect.MakeMap(reflect.MapOf(typeFor(ksig), typeFor(vsig)))
if depth >= 63 {
panic(FormatError("input exceeds container depth limit"))
}
length := dec.decode("u", depth).(uint32)
// Even for empty maps, the correct padding must be included
dec.align(8)
spos := dec.pos
for dec.pos < spos+int(length) {
dec.align(8)
if !isKeyType(v.Type().Key()) {
panic(InvalidTypeError{v.Type()})
}
kv := dec.decode(ksig, depth+2)
vv := dec.decode(vsig, depth+2)
v.SetMapIndex(reflect.ValueOf(kv), reflect.ValueOf(vv))
}
return v.Interface()
}
if depth >= 64 {
panic(FormatError("input exceeds container depth limit"))
}
sig := s[1:]
length := dec.decode("u", depth).(uint32)
// capacity can be determined only for fixed-size element types
var capacity int
if s := sigByteSize(sig); s != 0 {
capacity = int(length) / s
}
v := reflect.MakeSlice(reflect.SliceOf(typeFor(sig)), 0, capacity)
// Even for empty arrays, the correct padding must be included
align := alignment(typeFor(s[1:]))
if len(s) > 1 && s[1] == '(' {
//Special case for arrays of structs
//structs decode as a slice of interface{} values
//but the dbus alignment does not match this
align = 8
}
dec.align(align)
spos := dec.pos
for dec.pos < spos+int(length) {
ev := dec.decode(s[1:], depth+1)
v = reflect.Append(v, reflect.ValueOf(ev))
}
return v.Interface()
case '(':
if depth >= 64 {
panic(FormatError("input exceeds container depth limit"))
}
dec.align(8)
v := make([]interface{}, 0)
s = s[1 : len(s)-1]
for s != "" {
err, rem := validSingle(s, &depthCounter{})
if err != nil {
panic(err)
}
ev := dec.decode(s[:len(s)-len(rem)], depth+1)
v = append(v, ev)
s = rem
}
return v
default:
panic(SignatureError{Sig: s})
}
}
// sigByteSize tries to calculates size of the given signature in bytes.
//
// It returns zero when it can't, for example when it contains non-fixed size
// types such as strings, maps and arrays that require reading of the transmitted
// data, for that we would need to implement the unread method for Decoder first.
func sigByteSize(sig string) int {
var total int
for offset := 0; offset < len(sig); {
switch sig[offset] {
case 'y':
total += 1
offset += 1
case 'n', 'q':
total += 2
offset += 1
case 'b', 'i', 'u', 'h':
total += 4
offset += 1
case 'x', 't', 'd':
total += 8
offset += 1
case '(':
i := 1
depth := 1
for i < len(sig[offset:]) && depth != 0 {
if sig[offset+i] == '(' {
depth++
} else if sig[offset+i] == ')' {
depth--
}
i++
}
s := sigByteSize(sig[offset+1 : offset+i-1])
if s == 0 {
return 0
}
total += s
offset += i
default:
return 0
}
}
return total
}
// A FormatError is an error in the wire format.
type FormatError string
func (e FormatError) Error() string {
return "dbus: wire format error: " + string(e)
}

342
vendor/github.com/godbus/dbus/v5/default_handler.go generated vendored Normal file
View file

@ -0,0 +1,342 @@
package dbus
import (
"bytes"
"reflect"
"strings"
"sync"
)
func newIntrospectIntf(h *defaultHandler) *exportedIntf {
methods := make(map[string]Method)
methods["Introspect"] = exportedMethod{
reflect.ValueOf(func(msg Message) (string, *Error) {
path := msg.Headers[FieldPath].value.(ObjectPath)
return h.introspectPath(path), nil
}),
}
return newExportedIntf(methods, true)
}
//NewDefaultHandler returns an instance of the default
//call handler. This is useful if you want to implement only
//one of the two handlers but not both.
//
// Deprecated: this is the default value, don't use it, it will be unexported.
func NewDefaultHandler() *defaultHandler {
h := &defaultHandler{
objects: make(map[ObjectPath]*exportedObj),
defaultIntf: make(map[string]*exportedIntf),
}
h.defaultIntf["org.freedesktop.DBus.Introspectable"] = newIntrospectIntf(h)
return h
}
type defaultHandler struct {
sync.RWMutex
objects map[ObjectPath]*exportedObj
defaultIntf map[string]*exportedIntf
}
func (h *defaultHandler) PathExists(path ObjectPath) bool {
_, ok := h.objects[path]
return ok
}
func (h *defaultHandler) introspectPath(path ObjectPath) string {
subpath := make(map[string]struct{})
var xml bytes.Buffer
xml.WriteString("<node>")
for obj := range h.objects {
p := string(path)
if p != "/" {
p += "/"
}
if strings.HasPrefix(string(obj), p) {
node_name := strings.Split(string(obj[len(p):]), "/")[0]
subpath[node_name] = struct{}{}
}
}
for s := range subpath {
xml.WriteString("\n\t<node name=\"" + s + "\"/>")
}
xml.WriteString("\n</node>")
return xml.String()
}
func (h *defaultHandler) LookupObject(path ObjectPath) (ServerObject, bool) {
h.RLock()
defer h.RUnlock()
object, ok := h.objects[path]
if ok {
return object, ok
}
// If an object wasn't found for this exact path,
// look for a matching subtree registration
subtreeObject := newExportedObject()
path = path[:strings.LastIndex(string(path), "/")]
for len(path) > 0 {
object, ok = h.objects[path]
if ok {
for name, iface := range object.interfaces {
// Only include this handler if it registered for the subtree
if iface.isFallbackInterface() {
subtreeObject.interfaces[name] = iface
}
}
break
}
path = path[:strings.LastIndex(string(path), "/")]
}
for name, intf := range h.defaultIntf {
if _, exists := subtreeObject.interfaces[name]; exists {
continue
}
subtreeObject.interfaces[name] = intf
}
return subtreeObject, true
}
func (h *defaultHandler) AddObject(path ObjectPath, object *exportedObj) {
h.Lock()
h.objects[path] = object
h.Unlock()
}
func (h *defaultHandler) DeleteObject(path ObjectPath) {
h.Lock()
delete(h.objects, path)
h.Unlock()
}
type exportedMethod struct {
reflect.Value
}
func (m exportedMethod) Call(args ...interface{}) ([]interface{}, error) {
t := m.Type()
params := make([]reflect.Value, len(args))
for i := 0; i < len(args); i++ {
params[i] = reflect.ValueOf(args[i]).Elem()
}
ret := m.Value.Call(params)
var err error
nilErr := false // The reflection will find almost-nils, let's only pass back clean ones!
if t.NumOut() > 0 {
if e, ok := ret[t.NumOut()-1].Interface().(*Error); ok { // godbus *Error
nilErr = ret[t.NumOut()-1].IsNil()
ret = ret[:t.NumOut()-1]
err = e
} else if ret[t.NumOut()-1].Type().Implements(errType) { // Go error
i := ret[t.NumOut()-1].Interface()
if i == nil {
nilErr = ret[t.NumOut()-1].IsNil()
} else {
err = i.(error)
}
ret = ret[:t.NumOut()-1]
}
}
out := make([]interface{}, len(ret))
for i, val := range ret {
out[i] = val.Interface()
}
if nilErr || err == nil {
//concrete type to interface nil is a special case
return out, nil
}
return out, err
}
func (m exportedMethod) NumArguments() int {
return m.Value.Type().NumIn()
}
func (m exportedMethod) ArgumentValue(i int) interface{} {
return reflect.Zero(m.Type().In(i)).Interface()
}
func (m exportedMethod) NumReturns() int {
return m.Value.Type().NumOut()
}
func (m exportedMethod) ReturnValue(i int) interface{} {
return reflect.Zero(m.Type().Out(i)).Interface()
}
func newExportedObject() *exportedObj {
return &exportedObj{
interfaces: make(map[string]*exportedIntf),
}
}
type exportedObj struct {
mu sync.RWMutex
interfaces map[string]*exportedIntf
}
func (obj *exportedObj) LookupInterface(name string) (Interface, bool) {
if name == "" {
return obj, true
}
obj.mu.RLock()
defer obj.mu.RUnlock()
intf, exists := obj.interfaces[name]
return intf, exists
}
func (obj *exportedObj) AddInterface(name string, iface *exportedIntf) {
obj.mu.Lock()
defer obj.mu.Unlock()
obj.interfaces[name] = iface
}
func (obj *exportedObj) DeleteInterface(name string) {
obj.mu.Lock()
defer obj.mu.Unlock()
delete(obj.interfaces, name)
}
func (obj *exportedObj) LookupMethod(name string) (Method, bool) {
obj.mu.RLock()
defer obj.mu.RUnlock()
for _, intf := range obj.interfaces {
method, exists := intf.LookupMethod(name)
if exists {
return method, exists
}
}
return nil, false
}
func (obj *exportedObj) isFallbackInterface() bool {
return false
}
func newExportedIntf(methods map[string]Method, includeSubtree bool) *exportedIntf {
return &exportedIntf{
methods: methods,
includeSubtree: includeSubtree,
}
}
type exportedIntf struct {
methods map[string]Method
// Whether or not this export is for the entire subtree
includeSubtree bool
}
func (obj *exportedIntf) LookupMethod(name string) (Method, bool) {
out, exists := obj.methods[name]
return out, exists
}
func (obj *exportedIntf) isFallbackInterface() bool {
return obj.includeSubtree
}
//NewDefaultSignalHandler returns an instance of the default
//signal handler. This is useful if you want to implement only
//one of the two handlers but not both.
//
// Deprecated: this is the default value, don't use it, it will be unexported.
func NewDefaultSignalHandler() *defaultSignalHandler {
return &defaultSignalHandler{}
}
type defaultSignalHandler struct {
mu sync.RWMutex
closed bool
signals []*signalChannelData
}
func (sh *defaultSignalHandler) DeliverSignal(intf, name string, signal *Signal) {
sh.mu.RLock()
defer sh.mu.RUnlock()
if sh.closed {
return
}
for _, scd := range sh.signals {
scd.deliver(signal)
}
}
func (sh *defaultSignalHandler) Terminate() {
sh.mu.Lock()
defer sh.mu.Unlock()
if sh.closed {
return
}
for _, scd := range sh.signals {
scd.close()
close(scd.ch)
}
sh.closed = true
sh.signals = nil
}
func (sh *defaultSignalHandler) AddSignal(ch chan<- *Signal) {
sh.mu.Lock()
defer sh.mu.Unlock()
if sh.closed {
return
}
sh.signals = append(sh.signals, &signalChannelData{
ch: ch,
done: make(chan struct{}),
})
}
func (sh *defaultSignalHandler) RemoveSignal(ch chan<- *Signal) {
sh.mu.Lock()
defer sh.mu.Unlock()
if sh.closed {
return
}
for i := len(sh.signals) - 1; i >= 0; i-- {
if ch == sh.signals[i].ch {
sh.signals[i].close()
copy(sh.signals[i:], sh.signals[i+1:])
sh.signals[len(sh.signals)-1] = nil
sh.signals = sh.signals[:len(sh.signals)-1]
}
}
}
type signalChannelData struct {
wg sync.WaitGroup
ch chan<- *Signal
done chan struct{}
}
func (scd *signalChannelData) deliver(signal *Signal) {
select {
case scd.ch <- signal:
case <-scd.done:
return
default:
scd.wg.Add(1)
go scd.deferredDeliver(signal)
}
}
func (scd *signalChannelData) deferredDeliver(signal *Signal) {
select {
case scd.ch <- signal:
case <-scd.done:
}
scd.wg.Done()
}
func (scd *signalChannelData) close() {
close(scd.done)
scd.wg.Wait() // wait until all spawned goroutines return
}

71
vendor/github.com/godbus/dbus/v5/doc.go generated vendored Normal file
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/*
Package dbus implements bindings to the D-Bus message bus system.
To use the message bus API, you first need to connect to a bus (usually the
session or system bus). The acquired connection then can be used to call methods
on remote objects and emit or receive signals. Using the Export method, you can
arrange D-Bus methods calls to be directly translated to method calls on a Go
value.
Conversion Rules
For outgoing messages, Go types are automatically converted to the
corresponding D-Bus types. See the official specification at
https://dbus.freedesktop.org/doc/dbus-specification.html#type-system for more
information on the D-Bus type system. The following types are directly encoded
as their respective D-Bus equivalents:
Go type | D-Bus type
------------+-----------
byte | BYTE
bool | BOOLEAN
int16 | INT16
uint16 | UINT16
int | INT32
uint | UINT32
int32 | INT32
uint32 | UINT32
int64 | INT64
uint64 | UINT64
float64 | DOUBLE
string | STRING
ObjectPath | OBJECT_PATH
Signature | SIGNATURE
Variant | VARIANT
interface{} | VARIANT
UnixFDIndex | UNIX_FD
Slices and arrays encode as ARRAYs of their element type.
Maps encode as DICTs, provided that their key type can be used as a key for
a DICT.
Structs other than Variant and Signature encode as a STRUCT containing their
exported fields in order. Fields whose tags contain `dbus:"-"` and unexported
fields will be skipped.
Pointers encode as the value they're pointed to.
Types convertible to one of the base types above will be mapped as the
base type.
Trying to encode any other type or a slice, map or struct containing an
unsupported type will result in an InvalidTypeError.
For incoming messages, the inverse of these rules are used, with the exception
of STRUCTs. Incoming STRUCTS are represented as a slice of empty interfaces
containing the struct fields in the correct order. The Store function can be
used to convert such values to Go structs.
Unix FD passing
Handling Unix file descriptors deserves special mention. To use them, you should
first check that they are supported on a connection by calling SupportsUnixFDs.
If it returns true, all method of Connection will translate messages containing
UnixFD's to messages that are accompanied by the given file descriptors with the
UnixFD values being substituted by the correct indices. Similarly, the indices
of incoming messages are automatically resolved. It shouldn't be necessary to use
UnixFDIndex.
*/
package dbus

235
vendor/github.com/godbus/dbus/v5/encoder.go generated vendored Normal file
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package dbus
import (
"bytes"
"encoding/binary"
"io"
"reflect"
"strings"
"unicode/utf8"
)
// An encoder encodes values to the D-Bus wire format.
type encoder struct {
out io.Writer
fds []int
order binary.ByteOrder
pos int
}
// NewEncoder returns a new encoder that writes to out in the given byte order.
func newEncoder(out io.Writer, order binary.ByteOrder, fds []int) *encoder {
enc := newEncoderAtOffset(out, 0, order, fds)
return enc
}
// newEncoderAtOffset returns a new encoder that writes to out in the given
// byte order. Specify the offset to initialize pos for proper alignment
// computation.
func newEncoderAtOffset(out io.Writer, offset int, order binary.ByteOrder, fds []int) *encoder {
enc := new(encoder)
enc.out = out
enc.order = order
enc.pos = offset
enc.fds = fds
return enc
}
// Aligns the next output to be on a multiple of n. Panics on write errors.
func (enc *encoder) align(n int) {
pad := enc.padding(0, n)
if pad > 0 {
empty := make([]byte, pad)
if _, err := enc.out.Write(empty); err != nil {
panic(err)
}
enc.pos += pad
}
}
// pad returns the number of bytes of padding, based on current position and additional offset.
// and alignment.
func (enc *encoder) padding(offset, algn int) int {
abs := enc.pos + offset
if abs%algn != 0 {
newabs := (abs + algn - 1) & ^(algn - 1)
return newabs - abs
}
return 0
}
// Calls binary.Write(enc.out, enc.order, v) and panics on write errors.
func (enc *encoder) binwrite(v interface{}) {
if err := binary.Write(enc.out, enc.order, v); err != nil {
panic(err)
}
}
// Encode encodes the given values to the underlying reader. All written values
// are aligned properly as required by the D-Bus spec.
func (enc *encoder) Encode(vs ...interface{}) (err error) {
defer func() {
err, _ = recover().(error)
}()
for _, v := range vs {
enc.encode(reflect.ValueOf(v), 0)
}
return nil
}
// encode encodes the given value to the writer and panics on error. depth holds
// the depth of the container nesting.
func (enc *encoder) encode(v reflect.Value, depth int) {
if depth > 64 {
panic(FormatError("input exceeds depth limitation"))
}
enc.align(alignment(v.Type()))
switch v.Kind() {
case reflect.Uint8:
var b [1]byte
b[0] = byte(v.Uint())
if _, err := enc.out.Write(b[:]); err != nil {
panic(err)
}
enc.pos++
case reflect.Bool:
if v.Bool() {
enc.encode(reflect.ValueOf(uint32(1)), depth)
} else {
enc.encode(reflect.ValueOf(uint32(0)), depth)
}
case reflect.Int16:
enc.binwrite(int16(v.Int()))
enc.pos += 2
case reflect.Uint16:
enc.binwrite(uint16(v.Uint()))
enc.pos += 2
case reflect.Int, reflect.Int32:
if v.Type() == unixFDType {
fd := v.Int()
idx := len(enc.fds)
enc.fds = append(enc.fds, int(fd))
enc.binwrite(uint32(idx))
} else {
enc.binwrite(int32(v.Int()))
}
enc.pos += 4
case reflect.Uint, reflect.Uint32:
enc.binwrite(uint32(v.Uint()))
enc.pos += 4
case reflect.Int64:
enc.binwrite(v.Int())
enc.pos += 8
case reflect.Uint64:
enc.binwrite(v.Uint())
enc.pos += 8
case reflect.Float64:
enc.binwrite(v.Float())
enc.pos += 8
case reflect.String:
str := v.String()
if !utf8.ValidString(str) {
panic(FormatError("input has a not-utf8 char in string"))
}
if strings.IndexByte(str, byte(0)) != -1 {
panic(FormatError("input has a null char('\\000') in string"))
}
if v.Type() == objectPathType {
if !ObjectPath(str).IsValid() {
panic(FormatError("invalid object path"))
}
}
enc.encode(reflect.ValueOf(uint32(len(str))), depth)
b := make([]byte, v.Len()+1)
copy(b, str)
b[len(b)-1] = 0
n, err := enc.out.Write(b)
if err != nil {
panic(err)
}
enc.pos += n
case reflect.Ptr:
enc.encode(v.Elem(), depth)
case reflect.Slice, reflect.Array:
// Lookahead offset: 4 bytes for uint32 length (with alignment),
// plus alignment for elements.
n := enc.padding(0, 4) + 4
offset := enc.pos + n + enc.padding(n, alignment(v.Type().Elem()))
var buf bytes.Buffer
bufenc := newEncoderAtOffset(&buf, offset, enc.order, enc.fds)
for i := 0; i < v.Len(); i++ {
bufenc.encode(v.Index(i), depth+1)
}
if buf.Len() > 1<<26 {
panic(FormatError("input exceeds array size limitation"))
}
enc.fds = bufenc.fds
enc.encode(reflect.ValueOf(uint32(buf.Len())), depth)
length := buf.Len()
enc.align(alignment(v.Type().Elem()))
if _, err := buf.WriteTo(enc.out); err != nil {
panic(err)
}
enc.pos += length
case reflect.Struct:
switch t := v.Type(); t {
case signatureType:
str := v.Field(0)
enc.encode(reflect.ValueOf(byte(str.Len())), depth)
b := make([]byte, str.Len()+1)
copy(b, str.String())
b[len(b)-1] = 0
n, err := enc.out.Write(b)
if err != nil {
panic(err)
}
enc.pos += n
case variantType:
variant := v.Interface().(Variant)
enc.encode(reflect.ValueOf(variant.sig), depth+1)
enc.encode(reflect.ValueOf(variant.value), depth+1)
default:
for i := 0; i < v.Type().NumField(); i++ {
field := t.Field(i)
if field.PkgPath == "" && field.Tag.Get("dbus") != "-" {
enc.encode(v.Field(i), depth+1)
}
}
}
case reflect.Map:
// Maps are arrays of structures, so they actually increase the depth by
// 2.
if !isKeyType(v.Type().Key()) {
panic(InvalidTypeError{v.Type()})
}
keys := v.MapKeys()
// Lookahead offset: 4 bytes for uint32 length (with alignment),
// plus 8-byte alignment
n := enc.padding(0, 4) + 4
offset := enc.pos + n + enc.padding(n, 8)
var buf bytes.Buffer
bufenc := newEncoderAtOffset(&buf, offset, enc.order, enc.fds)
for _, k := range keys {
bufenc.align(8)
bufenc.encode(k, depth+2)
bufenc.encode(v.MapIndex(k), depth+2)
}
enc.fds = bufenc.fds
enc.encode(reflect.ValueOf(uint32(buf.Len())), depth)
length := buf.Len()
enc.align(8)
if _, err := buf.WriteTo(enc.out); err != nil {
panic(err)
}
enc.pos += length
case reflect.Interface:
enc.encode(reflect.ValueOf(MakeVariant(v.Interface())), depth)
default:
panic(InvalidTypeError{v.Type()})
}
}

84
vendor/github.com/godbus/dbus/v5/escape.go generated vendored Normal file
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package dbus
import "net/url"
// EscapeBusAddressValue implements a requirement to escape the values
// in D-Bus server addresses, as defined by the D-Bus specification at
// https://dbus.freedesktop.org/doc/dbus-specification.html#addresses.
func EscapeBusAddressValue(val string) string {
toEsc := strNeedsEscape(val)
if toEsc == 0 {
// Avoid unneeded allocation/copying.
return val
}
// Avoid allocation for short paths.
var buf [64]byte
var out []byte
// Every to-be-escaped byte needs 2 extra bytes.
required := len(val) + 2*toEsc
if required <= len(buf) {
out = buf[:required]
} else {
out = make([]byte, required)
}
j := 0
for i := 0; i < len(val); i++ {
if ch := val[i]; needsEscape(ch) {
// Convert ch to %xx, where xx is hex value.
out[j] = '%'
out[j+1] = hexchar(ch >> 4)
out[j+2] = hexchar(ch & 0x0F)
j += 3
} else {
out[j] = ch
j++
}
}
return string(out)
}
// UnescapeBusAddressValue unescapes values in D-Bus server addresses,
// as defined by the D-Bus specification at
// https://dbus.freedesktop.org/doc/dbus-specification.html#addresses.
func UnescapeBusAddressValue(val string) (string, error) {
// Looks like url.PathUnescape does exactly what is required.
return url.PathUnescape(val)
}
// hexchar returns an octal representation of a n, where n < 16.
// For invalid values of n, the function panics.
func hexchar(n byte) byte {
const hex = "0123456789abcdef"
// For n >= len(hex), runtime will panic.
return hex[n]
}
// needsEscape tells if a byte is NOT one of optionally-escaped bytes.
func needsEscape(c byte) bool {
if 'a' <= c && c <= 'z' || 'A' <= c && c <= 'Z' || '0' <= c && c <= '9' {
return false
}
switch c {
case '-', '_', '/', '\\', '.', '*':
return false
}
return true
}
// strNeedsEscape tells how many bytes in the string need escaping.
func strNeedsEscape(val string) int {
count := 0
for i := 0; i < len(val); i++ {
if needsEscape(val[i]) {
count++
}
}
return count
}

463
vendor/github.com/godbus/dbus/v5/export.go generated vendored Normal file
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package dbus
import (
"errors"
"fmt"
"os"
"reflect"
"strings"
)
var (
ErrMsgInvalidArg = Error{
"org.freedesktop.DBus.Error.InvalidArgs",
[]interface{}{"Invalid type / number of args"},
}
ErrMsgNoObject = Error{
"org.freedesktop.DBus.Error.NoSuchObject",
[]interface{}{"No such object"},
}
ErrMsgUnknownMethod = Error{
"org.freedesktop.DBus.Error.UnknownMethod",
[]interface{}{"Unknown / invalid method"},
}
ErrMsgUnknownInterface = Error{
"org.freedesktop.DBus.Error.UnknownInterface",
[]interface{}{"Object does not implement the interface"},
}
)
func MakeNoObjectError(path ObjectPath) Error {
return Error{
"org.freedesktop.DBus.Error.NoSuchObject",
[]interface{}{fmt.Sprintf("No such object '%s'", string(path))},
}
}
func MakeUnknownMethodError(methodName string) Error {
return Error{
"org.freedesktop.DBus.Error.UnknownMethod",
[]interface{}{fmt.Sprintf("Unknown / invalid method '%s'", methodName)},
}
}
func MakeUnknownInterfaceError(ifaceName string) Error {
return Error{
"org.freedesktop.DBus.Error.UnknownInterface",
[]interface{}{fmt.Sprintf("Object does not implement the interface '%s'", ifaceName)},
}
}
func MakeFailedError(err error) *Error {
return &Error{
"org.freedesktop.DBus.Error.Failed",
[]interface{}{err.Error()},
}
}
// Sender is a type which can be used in exported methods to receive the message
// sender.
type Sender string
func computeMethodName(name string, mapping map[string]string) string {
newname, ok := mapping[name]
if ok {
name = newname
}
return name
}
func getMethods(in interface{}, mapping map[string]string) map[string]reflect.Value {
if in == nil {
return nil
}
methods := make(map[string]reflect.Value)
val := reflect.ValueOf(in)
typ := val.Type()
for i := 0; i < typ.NumMethod(); i++ {
methtype := typ.Method(i)
method := val.Method(i)
t := method.Type()
// only track valid methods must return *Error as last arg
// and must be exported
if t.NumOut() == 0 ||
t.Out(t.NumOut()-1) != reflect.TypeOf(&ErrMsgInvalidArg) ||
methtype.PkgPath != "" {
continue
}
// map names while building table
methods[computeMethodName(methtype.Name, mapping)] = method
}
return methods
}
func getAllMethods(in interface{}, mapping map[string]string) map[string]reflect.Value {
if in == nil {
return nil
}
methods := make(map[string]reflect.Value)
val := reflect.ValueOf(in)
typ := val.Type()
for i := 0; i < typ.NumMethod(); i++ {
methtype := typ.Method(i)
method := val.Method(i)
// map names while building table
methods[computeMethodName(methtype.Name, mapping)] = method
}
return methods
}
func standardMethodArgumentDecode(m Method, sender string, msg *Message, body []interface{}) ([]interface{}, error) {
pointers := make([]interface{}, m.NumArguments())
decode := make([]interface{}, 0, len(body))
for i := 0; i < m.NumArguments(); i++ {
tp := reflect.TypeOf(m.ArgumentValue(i))
val := reflect.New(tp)
pointers[i] = val.Interface()
if tp == reflect.TypeOf((*Sender)(nil)).Elem() {
val.Elem().SetString(sender)
} else if tp == reflect.TypeOf((*Message)(nil)).Elem() {
val.Elem().Set(reflect.ValueOf(*msg))
} else {
decode = append(decode, pointers[i])
}
}
if len(decode) != len(body) {
return nil, ErrMsgInvalidArg
}
if err := Store(body, decode...); err != nil {
return nil, ErrMsgInvalidArg
}
return pointers, nil
}
func (conn *Conn) decodeArguments(m Method, sender string, msg *Message) ([]interface{}, error) {
if decoder, ok := m.(ArgumentDecoder); ok {
return decoder.DecodeArguments(conn, sender, msg, msg.Body)
}
return standardMethodArgumentDecode(m, sender, msg, msg.Body)
}
// handleCall handles the given method call (i.e. looks if it's one of the
// pre-implemented ones and searches for a corresponding handler if not).
func (conn *Conn) handleCall(msg *Message) {
name := msg.Headers[FieldMember].value.(string)
path := msg.Headers[FieldPath].value.(ObjectPath)
ifaceName, _ := msg.Headers[FieldInterface].value.(string)
sender, hasSender := msg.Headers[FieldSender].value.(string)
serial := msg.serial
if len(name) == 0 {
conn.sendError(ErrMsgUnknownMethod, sender, serial)
}
if ifaceName == "org.freedesktop.DBus.Peer" {
switch name {
case "Ping":
conn.sendReply(sender, serial)
case "GetMachineId":
conn.sendReply(sender, serial, conn.uuid)
default:
conn.sendError(MakeUnknownMethodError(name), sender, serial)
}
return
}
object, ok := conn.handler.LookupObject(path)
if !ok {
conn.sendError(MakeNoObjectError(path), sender, serial)
return
}
iface, exists := object.LookupInterface(ifaceName)
if !exists {
conn.sendError(MakeUnknownInterfaceError(ifaceName), sender, serial)
return
}
m, exists := iface.LookupMethod(name)
if !exists {
conn.sendError(MakeUnknownMethodError(name), sender, serial)
return
}
args, err := conn.decodeArguments(m, sender, msg)
if err != nil {
conn.sendError(err, sender, serial)
return
}
ret, err := m.Call(args...)
if err != nil {
conn.sendError(err, sender, serial)
return
}
if msg.Flags&FlagNoReplyExpected == 0 {
reply := new(Message)
reply.Type = TypeMethodReply
reply.Headers = make(map[HeaderField]Variant)
if hasSender {
reply.Headers[FieldDestination] = msg.Headers[FieldSender]
}
reply.Headers[FieldReplySerial] = MakeVariant(msg.serial)
reply.Body = make([]interface{}, len(ret))
for i := 0; i < len(ret); i++ {
reply.Body[i] = ret[i]
}
reply.Headers[FieldSignature] = MakeVariant(SignatureOf(reply.Body...))
if err := reply.IsValid(); err != nil {
fmt.Fprintf(os.Stderr, "dbus: dropping invalid reply to %s.%s on obj %s: %s\n", ifaceName, name, path, err)
} else {
conn.sendMessageAndIfClosed(reply, nil)
}
}
}
// Emit emits the given signal on the message bus. The name parameter must be
// formatted as "interface.member", e.g., "org.freedesktop.DBus.NameLost".
func (conn *Conn) Emit(path ObjectPath, name string, values ...interface{}) error {
i := strings.LastIndex(name, ".")
if i == -1 {
return errors.New("dbus: invalid method name")
}
iface := name[:i]
member := name[i+1:]
msg := new(Message)
msg.Type = TypeSignal
msg.Headers = make(map[HeaderField]Variant)
msg.Headers[FieldInterface] = MakeVariant(iface)
msg.Headers[FieldMember] = MakeVariant(member)
msg.Headers[FieldPath] = MakeVariant(path)
msg.Body = values
if len(values) > 0 {
msg.Headers[FieldSignature] = MakeVariant(SignatureOf(values...))
}
if err := msg.IsValid(); err != nil {
return err
}
var closed bool
conn.sendMessageAndIfClosed(msg, func() {
closed = true
})
if closed {
return ErrClosed
}
return nil
}
// Export registers the given value to be exported as an object on the
// message bus.
//
// If a method call on the given path and interface is received, an exported
// method with the same name is called with v as the receiver if the
// parameters match and the last return value is of type *Error. If this
// *Error is not nil, it is sent back to the caller as an error.
// Otherwise, a method reply is sent with the other return values as its body.
//
// Any parameters with the special type Sender are set to the sender of the
// dbus message when the method is called. Parameters of this type do not
// contribute to the dbus signature of the method (i.e. the method is exposed
// as if the parameters of type Sender were not there).
//
// Similarly, any parameters with the type Message are set to the raw message
// received on the bus. Again, parameters of this type do not contribute to the
// dbus signature of the method.
//
// Every method call is executed in a new goroutine, so the method may be called
// in multiple goroutines at once.
//
// Method calls on the interface org.freedesktop.DBus.Peer will be automatically
// handled for every object.
//
// Passing nil as the first parameter will cause conn to cease handling calls on
// the given combination of path and interface.
//
// Export returns an error if path is not a valid path name.
func (conn *Conn) Export(v interface{}, path ObjectPath, iface string) error {
return conn.ExportWithMap(v, nil, path, iface)
}
// ExportAll registers all exported methods defined by the given object on
// the message bus.
//
// Unlike Export there is no requirement to have the last parameter as type
// *Error. If you want to be able to return error then you can append an error
// type parameter to your method signature. If the error returned is not nil,
// it is sent back to the caller as an error. Otherwise, a method reply is
// sent with the other return values as its body.
func (conn *Conn) ExportAll(v interface{}, path ObjectPath, iface string) error {
return conn.export(getAllMethods(v, nil), path, iface, false)
}
// ExportWithMap works exactly like Export but provides the ability to remap
// method names (e.g. export a lower-case method).
//
// The keys in the map are the real method names (exported on the struct), and
// the values are the method names to be exported on DBus.
func (conn *Conn) ExportWithMap(v interface{}, mapping map[string]string, path ObjectPath, iface string) error {
return conn.export(getMethods(v, mapping), path, iface, false)
}
// ExportSubtree works exactly like Export but registers the given value for
// an entire subtree rather under the root path provided.
//
// In order to make this useful, one parameter in each of the value's exported
// methods should be a Message, in which case it will contain the raw message
// (allowing one to get access to the path that caused the method to be called).
//
// Note that more specific export paths take precedence over less specific. For
// example, a method call using the ObjectPath /foo/bar/baz will call a method
// exported on /foo/bar before a method exported on /foo.
func (conn *Conn) ExportSubtree(v interface{}, path ObjectPath, iface string) error {
return conn.ExportSubtreeWithMap(v, nil, path, iface)
}
// ExportSubtreeWithMap works exactly like ExportSubtree but provides the
// ability to remap method names (e.g. export a lower-case method).
//
// The keys in the map are the real method names (exported on the struct), and
// the values are the method names to be exported on DBus.
func (conn *Conn) ExportSubtreeWithMap(v interface{}, mapping map[string]string, path ObjectPath, iface string) error {
return conn.export(getMethods(v, mapping), path, iface, true)
}
// ExportMethodTable like Export registers the given methods as an object
// on the message bus. Unlike Export the it uses a method table to define
// the object instead of a native go object.
//
// The method table is a map from method name to function closure
// representing the method. This allows an object exported on the bus to not
// necessarily be a native go object. It can be useful for generating exposed
// methods on the fly.
//
// Any non-function objects in the method table are ignored.
func (conn *Conn) ExportMethodTable(methods map[string]interface{}, path ObjectPath, iface string) error {
return conn.exportMethodTable(methods, path, iface, false)
}
// Like ExportSubtree, but with the same caveats as ExportMethodTable.
func (conn *Conn) ExportSubtreeMethodTable(methods map[string]interface{}, path ObjectPath, iface string) error {
return conn.exportMethodTable(methods, path, iface, true)
}
func (conn *Conn) exportMethodTable(methods map[string]interface{}, path ObjectPath, iface string, includeSubtree bool) error {
var out map[string]reflect.Value
if methods != nil {
out = make(map[string]reflect.Value)
for name, method := range methods {
rval := reflect.ValueOf(method)
if rval.Kind() != reflect.Func {
continue
}
t := rval.Type()
// only track valid methods must return *Error as last arg
if t.NumOut() == 0 ||
t.Out(t.NumOut()-1) != reflect.TypeOf(&ErrMsgInvalidArg) {
continue
}
out[name] = rval
}
}
return conn.export(out, path, iface, includeSubtree)
}
func (conn *Conn) unexport(h *defaultHandler, path ObjectPath, iface string) error {
if h.PathExists(path) {
obj := h.objects[path]
obj.DeleteInterface(iface)
if len(obj.interfaces) == 0 {
h.DeleteObject(path)
}
}
return nil
}
// export is the worker function for all exports/registrations.
func (conn *Conn) export(methods map[string]reflect.Value, path ObjectPath, iface string, includeSubtree bool) error {
h, ok := conn.handler.(*defaultHandler)
if !ok {
return fmt.Errorf(
`dbus: export only allowed on the default handler. Received: %T"`,
conn.handler)
}
if !path.IsValid() {
return fmt.Errorf(`dbus: Invalid path name: "%s"`, path)
}
// Remove a previous export if the interface is nil
if methods == nil {
return conn.unexport(h, path, iface)
}
// If this is the first handler for this path, make a new map to hold all
// handlers for this path.
if !h.PathExists(path) {
h.AddObject(path, newExportedObject())
}
exportedMethods := make(map[string]Method)
for name, method := range methods {
exportedMethods[name] = exportedMethod{method}
}
// Finally, save this handler
obj := h.objects[path]
obj.AddInterface(iface, newExportedIntf(exportedMethods, includeSubtree))
return nil
}
// ReleaseName calls org.freedesktop.DBus.ReleaseName and awaits a response.
func (conn *Conn) ReleaseName(name string) (ReleaseNameReply, error) {
var r uint32
err := conn.busObj.Call("org.freedesktop.DBus.ReleaseName", 0, name).Store(&r)
if err != nil {
return 0, err
}
return ReleaseNameReply(r), nil
}
// RequestName calls org.freedesktop.DBus.RequestName and awaits a response.
func (conn *Conn) RequestName(name string, flags RequestNameFlags) (RequestNameReply, error) {
var r uint32
err := conn.busObj.Call("org.freedesktop.DBus.RequestName", 0, name, flags).Store(&r)
if err != nil {
return 0, err
}
return RequestNameReply(r), nil
}
// ReleaseNameReply is the reply to a ReleaseName call.
type ReleaseNameReply uint32
const (
ReleaseNameReplyReleased ReleaseNameReply = 1 + iota
ReleaseNameReplyNonExistent
ReleaseNameReplyNotOwner
)
// RequestNameFlags represents the possible flags for a RequestName call.
type RequestNameFlags uint32
const (
NameFlagAllowReplacement RequestNameFlags = 1 << iota
NameFlagReplaceExisting
NameFlagDoNotQueue
)
// RequestNameReply is the reply to a RequestName call.
type RequestNameReply uint32
const (
RequestNameReplyPrimaryOwner RequestNameReply = 1 + iota
RequestNameReplyInQueue
RequestNameReplyExists
RequestNameReplyAlreadyOwner
)

25
vendor/github.com/godbus/dbus/v5/homedir.go generated vendored Normal file
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package dbus
import (
"os"
"os/user"
)
// Get returns the home directory of the current user, which is usually the
// value of HOME environment variable. In case it is not set or empty, os/user
// package is used.
//
// If linking statically with cgo enabled against glibc, make sure the
// osusergo build tag is used.
//
// If needing to do nss lookups, do not disable cgo or set osusergo.
func getHomeDir() string {
homeDir := os.Getenv("HOME")
if homeDir != "" {
return homeDir
}
if u, err := user.Current(); err == nil {
return u.HomeDir
}
return "/"
}

89
vendor/github.com/godbus/dbus/v5/match.go generated vendored Normal file
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package dbus
import (
"strconv"
"strings"
)
// MatchOption specifies option for dbus routing match rule. Options can be constructed with WithMatch* helpers.
// For full list of available options consult
// https://dbus.freedesktop.org/doc/dbus-specification.html#message-bus-routing-match-rules
type MatchOption struct {
key string
value string
}
func formatMatchOptions(options []MatchOption) string {
items := make([]string, 0, len(options))
for _, option := range options {
items = append(items, option.key+"='"+option.value+"'")
}
return strings.Join(items, ",")
}
// WithMatchOption creates match option with given key and value
func WithMatchOption(key, value string) MatchOption {
return MatchOption{key, value}
}
// doesn't make sense to export this option because clients can only
// subscribe to messages with signal type.
func withMatchType(typ string) MatchOption {
return WithMatchOption("type", typ)
}
// WithMatchSender sets sender match option.
func WithMatchSender(sender string) MatchOption {
return WithMatchOption("sender", sender)
}
// WithMatchSender sets interface match option.
func WithMatchInterface(iface string) MatchOption {
return WithMatchOption("interface", iface)
}
// WithMatchMember sets member match option.
func WithMatchMember(member string) MatchOption {
return WithMatchOption("member", member)
}
// WithMatchObjectPath creates match option that filters events based on given path
func WithMatchObjectPath(path ObjectPath) MatchOption {
return WithMatchOption("path", string(path))
}
// WithMatchPathNamespace sets path_namespace match option.
func WithMatchPathNamespace(namespace ObjectPath) MatchOption {
return WithMatchOption("path_namespace", string(namespace))
}
// WithMatchDestination sets destination match option.
func WithMatchDestination(destination string) MatchOption {
return WithMatchOption("destination", destination)
}
// WithMatchArg sets argN match option, range of N is 0 to 63.
func WithMatchArg(argIdx int, value string) MatchOption {
if argIdx < 0 || argIdx > 63 {
panic("range of argument index is 0 to 63")
}
return WithMatchOption("arg"+strconv.Itoa(argIdx), value)
}
// WithMatchArgPath sets argN path match option, range of N is 0 to 63.
func WithMatchArgPath(argIdx int, path string) MatchOption {
if argIdx < 0 || argIdx > 63 {
panic("range of argument index is 0 to 63")
}
return WithMatchOption("arg"+strconv.Itoa(argIdx)+"path", path)
}
// WithMatchArg0Namespace sets arg0namespace match option.
func WithMatchArg0Namespace(arg0Namespace string) MatchOption {
return WithMatchOption("arg0namespace", arg0Namespace)
}
// WithMatchEavesdrop sets eavesdrop match option.
func WithMatchEavesdrop(eavesdrop bool) MatchOption {
return WithMatchOption("eavesdrop", strconv.FormatBool(eavesdrop))
}

390
vendor/github.com/godbus/dbus/v5/message.go generated vendored Normal file
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package dbus
import (
"bytes"
"encoding/binary"
"errors"
"io"
"reflect"
"strconv"
)
const protoVersion byte = 1
// Flags represents the possible flags of a D-Bus message.
type Flags byte
const (
// FlagNoReplyExpected signals that the message is not expected to generate
// a reply. If this flag is set on outgoing messages, any possible reply
// will be discarded.
FlagNoReplyExpected Flags = 1 << iota
// FlagNoAutoStart signals that the message bus should not automatically
// start an application when handling this message.
FlagNoAutoStart
// FlagAllowInteractiveAuthorization may be set on a method call
// message to inform the receiving side that the caller is prepared
// to wait for interactive authorization, which might take a
// considerable time to complete. For instance, if this flag is set,
// it would be appropriate to query the user for passwords or
// confirmation via Polkit or a similar framework.
FlagAllowInteractiveAuthorization
)
// Type represents the possible types of a D-Bus message.
type Type byte
const (
TypeMethodCall Type = 1 + iota
TypeMethodReply
TypeError
TypeSignal
typeMax
)
func (t Type) String() string {
switch t {
case TypeMethodCall:
return "method call"
case TypeMethodReply:
return "reply"
case TypeError:
return "error"
case TypeSignal:
return "signal"
}
return "invalid"
}
// HeaderField represents the possible byte codes for the headers
// of a D-Bus message.
type HeaderField byte
const (
FieldPath HeaderField = 1 + iota
FieldInterface
FieldMember
FieldErrorName
FieldReplySerial
FieldDestination
FieldSender
FieldSignature
FieldUnixFDs
fieldMax
)
// An InvalidMessageError describes the reason why a D-Bus message is regarded as
// invalid.
type InvalidMessageError string
func (e InvalidMessageError) Error() string {
return "dbus: invalid message: " + string(e)
}
// fieldType are the types of the various header fields.
var fieldTypes = [fieldMax]reflect.Type{
FieldPath: objectPathType,
FieldInterface: stringType,
FieldMember: stringType,
FieldErrorName: stringType,
FieldReplySerial: uint32Type,
FieldDestination: stringType,
FieldSender: stringType,
FieldSignature: signatureType,
FieldUnixFDs: uint32Type,
}
// requiredFields lists the header fields that are required by the different
// message types.
var requiredFields = [typeMax][]HeaderField{
TypeMethodCall: {FieldPath, FieldMember},
TypeMethodReply: {FieldReplySerial},
TypeError: {FieldErrorName, FieldReplySerial},
TypeSignal: {FieldPath, FieldInterface, FieldMember},
}
// Message represents a single D-Bus message.
type Message struct {
Type
Flags
Headers map[HeaderField]Variant
Body []interface{}
serial uint32
}
type header struct {
Field byte
Variant
}
func DecodeMessageWithFDs(rd io.Reader, fds []int) (msg *Message, err error) {
var order binary.ByteOrder
var hlength, length uint32
var typ, flags, proto byte
var headers []header
b := make([]byte, 1)
_, err = rd.Read(b)
if err != nil {
return
}
switch b[0] {
case 'l':
order = binary.LittleEndian
case 'B':
order = binary.BigEndian
default:
return nil, InvalidMessageError("invalid byte order")
}
dec := newDecoder(rd, order, fds)
dec.pos = 1
msg = new(Message)
vs, err := dec.Decode(Signature{"yyyuu"})
if err != nil {
return nil, err
}
if err = Store(vs, &typ, &flags, &proto, &length, &msg.serial); err != nil {
return nil, err
}
msg.Type = Type(typ)
msg.Flags = Flags(flags)
// get the header length separately because we need it later
b = make([]byte, 4)
_, err = io.ReadFull(rd, b)
if err != nil {
return nil, err
}
binary.Read(bytes.NewBuffer(b), order, &hlength)
if hlength+length+16 > 1<<27 {
return nil, InvalidMessageError("message is too long")
}
dec = newDecoder(io.MultiReader(bytes.NewBuffer(b), rd), order, fds)
dec.pos = 12
vs, err = dec.Decode(Signature{"a(yv)"})
if err != nil {
return nil, err
}
if err = Store(vs, &headers); err != nil {
return nil, err
}
msg.Headers = make(map[HeaderField]Variant)
for _, v := range headers {
msg.Headers[HeaderField(v.Field)] = v.Variant
}
dec.align(8)
body := make([]byte, int(length))
if length != 0 {
_, err := io.ReadFull(rd, body)
if err != nil {
return nil, err
}
}
if err = msg.IsValid(); err != nil {
return nil, err
}
sig, _ := msg.Headers[FieldSignature].value.(Signature)
if sig.str != "" {
buf := bytes.NewBuffer(body)
dec = newDecoder(buf, order, fds)
vs, err := dec.Decode(sig)
if err != nil {
return nil, err
}
msg.Body = vs
}
return
}
// DecodeMessage tries to decode a single message in the D-Bus wire format
// from the given reader. The byte order is figured out from the first byte.
// The possibly returned error can be an error of the underlying reader, an
// InvalidMessageError or a FormatError.
func DecodeMessage(rd io.Reader) (msg *Message, err error) {
return DecodeMessageWithFDs(rd, make([]int, 0))
}
type nullwriter struct{}
func (nullwriter) Write(p []byte) (cnt int, err error) {
return len(p), nil
}
func (msg *Message) CountFds() (int, error) {
if len(msg.Body) == 0 {
return 0, nil
}
enc := newEncoder(nullwriter{}, nativeEndian, make([]int, 0))
err := enc.Encode(msg.Body...)
return len(enc.fds), err
}
func (msg *Message) EncodeToWithFDs(out io.Writer, order binary.ByteOrder) (fds []int, err error) {
if err := msg.validateHeader(); err != nil {
return nil, err
}
var vs [7]interface{}
switch order {
case binary.LittleEndian:
vs[0] = byte('l')
case binary.BigEndian:
vs[0] = byte('B')
default:
return nil, errors.New("dbus: invalid byte order")
}
body := new(bytes.Buffer)
fds = make([]int, 0)
enc := newEncoder(body, order, fds)
if len(msg.Body) != 0 {
err = enc.Encode(msg.Body...)
if err != nil {
return
}
}
vs[1] = msg.Type
vs[2] = msg.Flags
vs[3] = protoVersion
vs[4] = uint32(len(body.Bytes()))
vs[5] = msg.serial
headers := make([]header, 0, len(msg.Headers))
for k, v := range msg.Headers {
headers = append(headers, header{byte(k), v})
}
vs[6] = headers
var buf bytes.Buffer
enc = newEncoder(&buf, order, enc.fds)
err = enc.Encode(vs[:]...)
if err != nil {
return
}
enc.align(8)
body.WriteTo(&buf)
if buf.Len() > 1<<27 {
return make([]int, 0), InvalidMessageError("message is too long")
}
if _, err := buf.WriteTo(out); err != nil {
return make([]int, 0), err
}
return enc.fds, nil
}
// EncodeTo encodes and sends a message to the given writer. The byte order must
// be either binary.LittleEndian or binary.BigEndian. If the message is not
// valid or an error occurs when writing, an error is returned.
func (msg *Message) EncodeTo(out io.Writer, order binary.ByteOrder) (err error) {
_, err = msg.EncodeToWithFDs(out, order)
return err
}
// IsValid checks whether msg is a valid message and returns an
// InvalidMessageError or FormatError if it is not.
func (msg *Message) IsValid() error {
var b bytes.Buffer
return msg.EncodeTo(&b, nativeEndian)
}
func (msg *Message) validateHeader() error {
if msg.Flags & ^(FlagNoAutoStart|FlagNoReplyExpected|FlagAllowInteractiveAuthorization) != 0 {
return InvalidMessageError("invalid flags")
}
if msg.Type == 0 || msg.Type >= typeMax {
return InvalidMessageError("invalid message type")
}
for k, v := range msg.Headers {
if k == 0 || k >= fieldMax {
return InvalidMessageError("invalid header")
}
if reflect.TypeOf(v.value) != fieldTypes[k] {
return InvalidMessageError("invalid type of header field")
}
}
for _, v := range requiredFields[msg.Type] {
if _, ok := msg.Headers[v]; !ok {
return InvalidMessageError("missing required header")
}
}
if path, ok := msg.Headers[FieldPath]; ok {
if !path.value.(ObjectPath).IsValid() {
return InvalidMessageError("invalid path name")
}
}
if iface, ok := msg.Headers[FieldInterface]; ok {
if !isValidInterface(iface.value.(string)) {
return InvalidMessageError("invalid interface name")
}
}
if member, ok := msg.Headers[FieldMember]; ok {
if !isValidMember(member.value.(string)) {
return InvalidMessageError("invalid member name")
}
}
if errname, ok := msg.Headers[FieldErrorName]; ok {
if !isValidInterface(errname.value.(string)) {
return InvalidMessageError("invalid error name")
}
}
if len(msg.Body) != 0 {
if _, ok := msg.Headers[FieldSignature]; !ok {
return InvalidMessageError("missing signature")
}
}
return nil
}
// Serial returns the message's serial number. The returned value is only valid
// for messages received by eavesdropping.
func (msg *Message) Serial() uint32 {
return msg.serial
}
// String returns a string representation of a message similar to the format of
// dbus-monitor.
func (msg *Message) String() string {
if err := msg.IsValid(); err != nil {
return "<invalid>"
}
s := msg.Type.String()
if v, ok := msg.Headers[FieldSender]; ok {
s += " from " + v.value.(string)
}
if v, ok := msg.Headers[FieldDestination]; ok {
s += " to " + v.value.(string)
}
s += " serial " + strconv.FormatUint(uint64(msg.serial), 10)
if v, ok := msg.Headers[FieldReplySerial]; ok {
s += " reply_serial " + strconv.FormatUint(uint64(v.value.(uint32)), 10)
}
if v, ok := msg.Headers[FieldUnixFDs]; ok {
s += " unixfds " + strconv.FormatUint(uint64(v.value.(uint32)), 10)
}
if v, ok := msg.Headers[FieldPath]; ok {
s += " path " + string(v.value.(ObjectPath))
}
if v, ok := msg.Headers[FieldInterface]; ok {
s += " interface " + v.value.(string)
}
if v, ok := msg.Headers[FieldErrorName]; ok {
s += " error " + v.value.(string)
}
if v, ok := msg.Headers[FieldMember]; ok {
s += " member " + v.value.(string)
}
if len(msg.Body) != 0 {
s += "\n"
}
for i, v := range msg.Body {
s += " " + MakeVariant(v).String()
if i != len(msg.Body)-1 {
s += "\n"
}
}
return s
}

174
vendor/github.com/godbus/dbus/v5/object.go generated vendored Normal file
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package dbus
import (
"context"
"errors"
"strings"
)
// BusObject is the interface of a remote object on which methods can be
// invoked.
type BusObject interface {
Call(method string, flags Flags, args ...interface{}) *Call
CallWithContext(ctx context.Context, method string, flags Flags, args ...interface{}) *Call
Go(method string, flags Flags, ch chan *Call, args ...interface{}) *Call
GoWithContext(ctx context.Context, method string, flags Flags, ch chan *Call, args ...interface{}) *Call
AddMatchSignal(iface, member string, options ...MatchOption) *Call
RemoveMatchSignal(iface, member string, options ...MatchOption) *Call
GetProperty(p string) (Variant, error)
StoreProperty(p string, value interface{}) error
SetProperty(p string, v interface{}) error
Destination() string
Path() ObjectPath
}
// Object represents a remote object on which methods can be invoked.
type Object struct {
conn *Conn
dest string
path ObjectPath
}
// Call calls a method with (*Object).Go and waits for its reply.
func (o *Object) Call(method string, flags Flags, args ...interface{}) *Call {
return <-o.createCall(context.Background(), method, flags, make(chan *Call, 1), args...).Done
}
// CallWithContext acts like Call but takes a context
func (o *Object) CallWithContext(ctx context.Context, method string, flags Flags, args ...interface{}) *Call {
return <-o.createCall(ctx, method, flags, make(chan *Call, 1), args...).Done
}
// AddMatchSignal subscribes BusObject to signals from specified interface,
// method (member). Additional filter rules can be added via WithMatch* option constructors.
// Note: To filter events by object path you have to specify this path via an option.
//
// Deprecated: use (*Conn) AddMatchSignal instead.
func (o *Object) AddMatchSignal(iface, member string, options ...MatchOption) *Call {
base := []MatchOption{
withMatchType("signal"),
WithMatchInterface(iface),
WithMatchMember(member),
}
options = append(base, options...)
return o.conn.BusObject().Call(
"org.freedesktop.DBus.AddMatch",
0,
formatMatchOptions(options),
)
}
// RemoveMatchSignal unsubscribes BusObject from signals from specified interface,
// method (member). Additional filter rules can be added via WithMatch* option constructors
//
// Deprecated: use (*Conn) RemoveMatchSignal instead.
func (o *Object) RemoveMatchSignal(iface, member string, options ...MatchOption) *Call {
base := []MatchOption{
withMatchType("signal"),
WithMatchInterface(iface),
WithMatchMember(member),
}
options = append(base, options...)
return o.conn.BusObject().Call(
"org.freedesktop.DBus.RemoveMatch",
0,
formatMatchOptions(options),
)
}
// Go calls a method with the given arguments asynchronously. It returns a
// Call structure representing this method call. The passed channel will
// return the same value once the call is done. If ch is nil, a new channel
// will be allocated. Otherwise, ch has to be buffered or Go will panic.
//
// If the flags include FlagNoReplyExpected, ch is ignored and a Call structure
// is returned with any error in Err and a closed channel in Done containing
// the returned Call as it's one entry.
//
// If the method parameter contains a dot ('.'), the part before the last dot
// specifies the interface on which the method is called.
func (o *Object) Go(method string, flags Flags, ch chan *Call, args ...interface{}) *Call {
return o.createCall(context.Background(), method, flags, ch, args...)
}
// GoWithContext acts like Go but takes a context
func (o *Object) GoWithContext(ctx context.Context, method string, flags Flags, ch chan *Call, args ...interface{}) *Call {
return o.createCall(ctx, method, flags, ch, args...)
}
func (o *Object) createCall(ctx context.Context, method string, flags Flags, ch chan *Call, args ...interface{}) *Call {
if ctx == nil {
panic("nil context")
}
iface := ""
i := strings.LastIndex(method, ".")
if i != -1 {
iface = method[:i]
}
method = method[i+1:]
msg := new(Message)
msg.Type = TypeMethodCall
msg.Flags = flags & (FlagNoAutoStart | FlagNoReplyExpected)
msg.Headers = make(map[HeaderField]Variant)
msg.Headers[FieldPath] = MakeVariant(o.path)
msg.Headers[FieldDestination] = MakeVariant(o.dest)
msg.Headers[FieldMember] = MakeVariant(method)
if iface != "" {
msg.Headers[FieldInterface] = MakeVariant(iface)
}
msg.Body = args
if len(args) > 0 {
msg.Headers[FieldSignature] = MakeVariant(SignatureOf(args...))
}
return o.conn.SendWithContext(ctx, msg, ch)
}
// GetProperty calls org.freedesktop.DBus.Properties.Get on the given
// object. The property name must be given in interface.member notation.
func (o *Object) GetProperty(p string) (Variant, error) {
var result Variant
err := o.StoreProperty(p, &result)
return result, err
}
// StoreProperty calls org.freedesktop.DBus.Properties.Get on the given
// object. The property name must be given in interface.member notation.
// It stores the returned property into the provided value.
func (o *Object) StoreProperty(p string, value interface{}) error {
idx := strings.LastIndex(p, ".")
if idx == -1 || idx+1 == len(p) {
return errors.New("dbus: invalid property " + p)
}
iface := p[:idx]
prop := p[idx+1:]
return o.Call("org.freedesktop.DBus.Properties.Get", 0, iface, prop).
Store(value)
}
// SetProperty calls org.freedesktop.DBus.Properties.Set on the given
// object. The property name must be given in interface.member notation.
func (o *Object) SetProperty(p string, v interface{}) error {
idx := strings.LastIndex(p, ".")
if idx == -1 || idx+1 == len(p) {
return errors.New("dbus: invalid property " + p)
}
iface := p[:idx]
prop := p[idx+1:]
return o.Call("org.freedesktop.DBus.Properties.Set", 0, iface, prop, v).Err
}
// Destination returns the destination that calls on (o *Object) are sent to.
func (o *Object) Destination() string {
return o.dest
}
// Path returns the path that calls on (o *Object") are sent to.
func (o *Object) Path() ObjectPath {
return o.path
}

24
vendor/github.com/godbus/dbus/v5/sequence.go generated vendored Normal file
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package dbus
// Sequence represents the value of a monotonically increasing counter.
type Sequence uint64
const (
// NoSequence indicates the absence of a sequence value.
NoSequence Sequence = 0
)
// sequenceGenerator represents a monotonically increasing counter.
type sequenceGenerator struct {
nextSequence Sequence
}
func (generator *sequenceGenerator) next() Sequence {
result := generator.nextSequence
generator.nextSequence++
return result
}
func newSequenceGenerator() *sequenceGenerator {
return &sequenceGenerator{nextSequence: 1}
}

125
vendor/github.com/godbus/dbus/v5/sequential_handler.go generated vendored Normal file
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@ -0,0 +1,125 @@
package dbus
import (
"sync"
)
// NewSequentialSignalHandler returns an instance of a new
// signal handler that guarantees sequential processing of signals. It is a
// guarantee of this signal handler that signals will be written to
// channels in the order they are received on the DBus connection.
func NewSequentialSignalHandler() SignalHandler {
return &sequentialSignalHandler{}
}
type sequentialSignalHandler struct {
mu sync.RWMutex
closed bool
signals []*sequentialSignalChannelData
}
func (sh *sequentialSignalHandler) DeliverSignal(intf, name string, signal *Signal) {
sh.mu.RLock()
defer sh.mu.RUnlock()
if sh.closed {
return
}
for _, scd := range sh.signals {
scd.deliver(signal)
}
}
func (sh *sequentialSignalHandler) Terminate() {
sh.mu.Lock()
defer sh.mu.Unlock()
if sh.closed {
return
}
for _, scd := range sh.signals {
scd.close()
close(scd.ch)
}
sh.closed = true
sh.signals = nil
}
func (sh *sequentialSignalHandler) AddSignal(ch chan<- *Signal) {
sh.mu.Lock()
defer sh.mu.Unlock()
if sh.closed {
return
}
sh.signals = append(sh.signals, newSequentialSignalChannelData(ch))
}
func (sh *sequentialSignalHandler) RemoveSignal(ch chan<- *Signal) {
sh.mu.Lock()
defer sh.mu.Unlock()
if sh.closed {
return
}
for i := len(sh.signals) - 1; i >= 0; i-- {
if ch == sh.signals[i].ch {
sh.signals[i].close()
copy(sh.signals[i:], sh.signals[i+1:])
sh.signals[len(sh.signals)-1] = nil
sh.signals = sh.signals[:len(sh.signals)-1]
}
}
}
type sequentialSignalChannelData struct {
ch chan<- *Signal
in chan *Signal
done chan struct{}
}
func newSequentialSignalChannelData(ch chan<- *Signal) *sequentialSignalChannelData {
scd := &sequentialSignalChannelData{
ch: ch,
in: make(chan *Signal),
done: make(chan struct{}),
}
go scd.bufferSignals()
return scd
}
func (scd *sequentialSignalChannelData) bufferSignals() {
defer close(scd.done)
// Ensure that signals are delivered to scd.ch in the same
// order they are received from scd.in.
var queue []*Signal
for {
if len(queue) == 0 {
signal, ok := <- scd.in
if !ok {
return
}
queue = append(queue, signal)
}
select {
case scd.ch <- queue[0]:
copy(queue, queue[1:])
queue[len(queue)-1] = nil
queue = queue[:len(queue)-1]
case signal, ok := <-scd.in:
if !ok {
return
}
queue = append(queue, signal)
}
}
}
func (scd *sequentialSignalChannelData) deliver(signal *Signal) {
scd.in <- signal
}
func (scd *sequentialSignalChannelData) close() {
close(scd.in)
// Ensure that bufferSignals() has exited and won't attempt
// any future sends on scd.ch
<-scd.done
}

107
vendor/github.com/godbus/dbus/v5/server_interfaces.go generated vendored Normal file
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package dbus
// Terminator allows a handler to implement a shutdown mechanism that
// is called when the connection terminates.
type Terminator interface {
Terminate()
}
// Handler is the representation of a D-Bus Application.
//
// The Handler must have a way to lookup objects given
// an ObjectPath. The returned object must implement the
// ServerObject interface.
type Handler interface {
LookupObject(path ObjectPath) (ServerObject, bool)
}
// ServerObject is the representation of an D-Bus Object.
//
// Objects are registered at a path for a given Handler.
// The Objects implement D-Bus interfaces. The semantics
// of Interface lookup is up to the implementation of
// the ServerObject. The ServerObject implementation may
// choose to implement empty string as a valid interface
// represeting all methods or not per the D-Bus specification.
type ServerObject interface {
LookupInterface(name string) (Interface, bool)
}
// An Interface is the representation of a D-Bus Interface.
//
// Interfaces are a grouping of methods implemented by the Objects.
// Interfaces are responsible for routing method calls.
type Interface interface {
LookupMethod(name string) (Method, bool)
}
// A Method represents the exposed methods on D-Bus.
type Method interface {
// Call requires that all arguments are decoded before being passed to it.
Call(args ...interface{}) ([]interface{}, error)
NumArguments() int
NumReturns() int
// ArgumentValue returns a representative value for the argument at position
// it should be of the proper type. reflect.Zero would be a good mechanism
// to use for this Value.
ArgumentValue(position int) interface{}
// ReturnValue returns a representative value for the return at position
// it should be of the proper type. reflect.Zero would be a good mechanism
// to use for this Value.
ReturnValue(position int) interface{}
}
// An Argument Decoder can decode arguments using the non-standard mechanism
//
// If a method implements this interface then the non-standard
// decoder will be used.
//
// Method arguments must be decoded from the message.
// The mechanism for doing this will vary based on the
// implementation of the method. A normal approach is provided
// as part of this library, but may be replaced with
// any other decoding scheme.
type ArgumentDecoder interface {
// To decode the arguments of a method the sender and message are
// provided in case the semantics of the implementer provides access
// to these as part of the method invocation.
DecodeArguments(conn *Conn, sender string, msg *Message, args []interface{}) ([]interface{}, error)
}
// A SignalHandler is responsible for delivering a signal.
//
// Signal delivery may be changed from the default channel
// based approach by Handlers implementing the SignalHandler
// interface.
type SignalHandler interface {
DeliverSignal(iface, name string, signal *Signal)
}
// SignalRegistrar manages signal delivery channels.
//
// This is an optional set of methods for `SignalHandler`.
type SignalRegistrar interface {
AddSignal(ch chan<- *Signal)
RemoveSignal(ch chan<- *Signal)
}
// A DBusError is used to convert a generic object to a D-Bus error.
//
// Any custom error mechanism may implement this interface to provide
// a custom encoding of the error on D-Bus. By default if a normal
// error is returned, it will be encoded as the generic
// "org.freedesktop.DBus.Error.Failed" error. By implementing this
// interface as well a custom encoding may be provided.
type DBusError interface {
DBusError() (string, []interface{})
}
// SerialGenerator is responsible for serials generation.
//
// Different approaches for the serial generation can be used,
// maintaining a map guarded with a mutex (the standard way) or
// simply increment an atomic counter.
type SerialGenerator interface {
GetSerial() uint32
RetireSerial(serial uint32)
}

293
vendor/github.com/godbus/dbus/v5/sig.go generated vendored Normal file
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@ -0,0 +1,293 @@
package dbus
import (
"fmt"
"reflect"
"strings"
)
var sigToType = map[byte]reflect.Type{
'y': byteType,
'b': boolType,
'n': int16Type,
'q': uint16Type,
'i': int32Type,
'u': uint32Type,
'x': int64Type,
't': uint64Type,
'd': float64Type,
's': stringType,
'g': signatureType,
'o': objectPathType,
'v': variantType,
'h': unixFDIndexType,
}
// Signature represents a correct type signature as specified by the D-Bus
// specification. The zero value represents the empty signature, "".
type Signature struct {
str string
}
// SignatureOf returns the concatenation of all the signatures of the given
// values. It panics if one of them is not representable in D-Bus.
func SignatureOf(vs ...interface{}) Signature {
var s string
for _, v := range vs {
s += getSignature(reflect.TypeOf(v), &depthCounter{})
}
return Signature{s}
}
// SignatureOfType returns the signature of the given type. It panics if the
// type is not representable in D-Bus.
func SignatureOfType(t reflect.Type) Signature {
return Signature{getSignature(t, &depthCounter{})}
}
// getSignature returns the signature of the given type and panics on unknown types.
func getSignature(t reflect.Type, depth *depthCounter) (sig string) {
if !depth.Valid() {
panic("container nesting too deep")
}
defer func() {
if len(sig) > 255 {
panic("signature exceeds the length limitation")
}
}()
// handle simple types first
switch t.Kind() {
case reflect.Uint8:
return "y"
case reflect.Bool:
return "b"
case reflect.Int16:
return "n"
case reflect.Uint16:
return "q"
case reflect.Int, reflect.Int32:
if t == unixFDType {
return "h"
}
return "i"
case reflect.Uint, reflect.Uint32:
if t == unixFDIndexType {
return "h"
}
return "u"
case reflect.Int64:
return "x"
case reflect.Uint64:
return "t"
case reflect.Float64:
return "d"
case reflect.Ptr:
return getSignature(t.Elem(), depth)
case reflect.String:
if t == objectPathType {
return "o"
}
return "s"
case reflect.Struct:
if t == variantType {
return "v"
} else if t == signatureType {
return "g"
}
var s string
for i := 0; i < t.NumField(); i++ {
field := t.Field(i)
if field.PkgPath == "" && field.Tag.Get("dbus") != "-" {
s += getSignature(t.Field(i).Type, depth.EnterStruct())
}
}
if len(s) == 0 {
panic(InvalidTypeError{t})
}
return "(" + s + ")"
case reflect.Array, reflect.Slice:
return "a" + getSignature(t.Elem(), depth.EnterArray())
case reflect.Map:
if !isKeyType(t.Key()) {
panic(InvalidTypeError{t})
}
return "a{" + getSignature(t.Key(), depth.EnterArray().EnterDictEntry()) + getSignature(t.Elem(), depth.EnterArray().EnterDictEntry()) + "}"
case reflect.Interface:
return "v"
}
panic(InvalidTypeError{t})
}
// ParseSignature returns the signature represented by this string, or a
// SignatureError if the string is not a valid signature.
func ParseSignature(s string) (sig Signature, err error) {
if len(s) == 0 {
return
}
if len(s) > 255 {
return Signature{""}, SignatureError{s, "too long"}
}
sig.str = s
for err == nil && len(s) != 0 {
err, s = validSingle(s, &depthCounter{})
}
if err != nil {
sig = Signature{""}
}
return
}
// ParseSignatureMust behaves like ParseSignature, except that it panics if s
// is not valid.
func ParseSignatureMust(s string) Signature {
sig, err := ParseSignature(s)
if err != nil {
panic(err)
}
return sig
}
// Empty returns whether the signature is the empty signature.
func (s Signature) Empty() bool {
return s.str == ""
}
// Single returns whether the signature represents a single, complete type.
func (s Signature) Single() bool {
err, r := validSingle(s.str, &depthCounter{})
return err != nil && r == ""
}
// String returns the signature's string representation.
func (s Signature) String() string {
return s.str
}
// A SignatureError indicates that a signature passed to a function or received
// on a connection is not a valid signature.
type SignatureError struct {
Sig string
Reason string
}
func (e SignatureError) Error() string {
return fmt.Sprintf("dbus: invalid signature: %q (%s)", e.Sig, e.Reason)
}
type depthCounter struct {
arrayDepth, structDepth, dictEntryDepth int
}
func (cnt *depthCounter) Valid() bool {
return cnt.arrayDepth <= 32 && cnt.structDepth <= 32 && cnt.dictEntryDepth <= 32
}
func (cnt depthCounter) EnterArray() *depthCounter {
cnt.arrayDepth++
return &cnt
}
func (cnt depthCounter) EnterStruct() *depthCounter {
cnt.structDepth++
return &cnt
}
func (cnt depthCounter) EnterDictEntry() *depthCounter {
cnt.dictEntryDepth++
return &cnt
}
// Try to read a single type from this string. If it was successful, err is nil
// and rem is the remaining unparsed part. Otherwise, err is a non-nil
// SignatureError and rem is "". depth is the current recursion depth which may
// not be greater than 64 and should be given as 0 on the first call.
func validSingle(s string, depth *depthCounter) (err error, rem string) {
if s == "" {
return SignatureError{Sig: s, Reason: "empty signature"}, ""
}
if !depth.Valid() {
return SignatureError{Sig: s, Reason: "container nesting too deep"}, ""
}
switch s[0] {
case 'y', 'b', 'n', 'q', 'i', 'u', 'x', 't', 'd', 's', 'g', 'o', 'v', 'h':
return nil, s[1:]
case 'a':
if len(s) > 1 && s[1] == '{' {
i := findMatching(s[1:], '{', '}')
if i == -1 {
return SignatureError{Sig: s, Reason: "unmatched '{'"}, ""
}
i++
rem = s[i+1:]
s = s[2:i]
if err, _ = validSingle(s[:1], depth.EnterArray().EnterDictEntry()); err != nil {
return err, ""
}
err, nr := validSingle(s[1:], depth.EnterArray().EnterDictEntry())
if err != nil {
return err, ""
}
if nr != "" {
return SignatureError{Sig: s, Reason: "too many types in dict"}, ""
}
return nil, rem
}
return validSingle(s[1:], depth.EnterArray())
case '(':
i := findMatching(s, '(', ')')
if i == -1 {
return SignatureError{Sig: s, Reason: "unmatched ')'"}, ""
}
rem = s[i+1:]
s = s[1:i]
for err == nil && s != "" {
err, s = validSingle(s, depth.EnterStruct())
}
if err != nil {
rem = ""
}
return
}
return SignatureError{Sig: s, Reason: "invalid type character"}, ""
}
func findMatching(s string, left, right rune) int {
n := 0
for i, v := range s {
if v == left {
n++
} else if v == right {
n--
}
if n == 0 {
return i
}
}
return -1
}
// typeFor returns the type of the given signature. It ignores any left over
// characters and panics if s doesn't start with a valid type signature.
func typeFor(s string) (t reflect.Type) {
err, _ := validSingle(s, &depthCounter{})
if err != nil {
panic(err)
}
if t, ok := sigToType[s[0]]; ok {
return t
}
switch s[0] {
case 'a':
if s[1] == '{' {
i := strings.LastIndex(s, "}")
t = reflect.MapOf(sigToType[s[2]], typeFor(s[3:i]))
} else {
t = reflect.SliceOf(typeFor(s[1:]))
}
case '(':
t = interfacesType
}
return
}

6
vendor/github.com/godbus/dbus/v5/transport_darwin.go generated vendored Normal file
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package dbus
func (t *unixTransport) SendNullByte() error {
_, err := t.Write([]byte{0})
return err
}

52
vendor/github.com/godbus/dbus/v5/transport_generic.go generated vendored Normal file
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@ -0,0 +1,52 @@
package dbus
import (
"encoding/binary"
"errors"
"io"
"unsafe"
)
var nativeEndian binary.ByteOrder
func detectEndianness() binary.ByteOrder {
var x uint32 = 0x01020304
if *(*byte)(unsafe.Pointer(&x)) == 0x01 {
return binary.BigEndian
}
return binary.LittleEndian
}
func init() {
nativeEndian = detectEndianness()
}
type genericTransport struct {
io.ReadWriteCloser
}
func (t genericTransport) SendNullByte() error {
_, err := t.Write([]byte{0})
return err
}
func (t genericTransport) SupportsUnixFDs() bool {
return false
}
func (t genericTransport) EnableUnixFDs() {}
func (t genericTransport) ReadMessage() (*Message, error) {
return DecodeMessage(t)
}
func (t genericTransport) SendMessage(msg *Message) error {
fds, err := msg.CountFds()
if err != nil {
return err
}
if fds != 0 {
return errors.New("dbus: unix fd passing not enabled")
}
return msg.EncodeTo(t, nativeEndian)
}

39
vendor/github.com/godbus/dbus/v5/transport_nonce_tcp.go generated vendored Normal file
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@ -0,0 +1,39 @@
//+build !windows
package dbus
import (
"errors"
"io/ioutil"
"net"
)
func init() {
transports["nonce-tcp"] = newNonceTcpTransport
}
func newNonceTcpTransport(keys string) (transport, error) {
host := getKey(keys, "host")
port := getKey(keys, "port")
noncefile := getKey(keys, "noncefile")
if host == "" || port == "" || noncefile == "" {
return nil, errors.New("dbus: unsupported address (must set host, port and noncefile)")
}
protocol, err := tcpFamily(keys)
if err != nil {
return nil, err
}
socket, err := net.Dial(protocol, net.JoinHostPort(host, port))
if err != nil {
return nil, err
}
b, err := ioutil.ReadFile(noncefile)
if err != nil {
return nil, err
}
_, err = socket.Write(b)
if err != nil {
return nil, err
}
return NewConn(socket)
}

41
vendor/github.com/godbus/dbus/v5/transport_tcp.go generated vendored Normal file
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@ -0,0 +1,41 @@
package dbus
import (
"errors"
"net"
)
func init() {
transports["tcp"] = newTcpTransport
}
func tcpFamily(keys string) (string, error) {
switch getKey(keys, "family") {
case "":
return "tcp", nil
case "ipv4":
return "tcp4", nil
case "ipv6":
return "tcp6", nil
default:
return "", errors.New("dbus: invalid tcp family (must be ipv4 or ipv6)")
}
}
func newTcpTransport(keys string) (transport, error) {
host := getKey(keys, "host")
port := getKey(keys, "port")
if host == "" || port == "" {
return nil, errors.New("dbus: unsupported address (must set host and port)")
}
protocol, err := tcpFamily(keys)
if err != nil {
return nil, err
}
socket, err := net.Dial(protocol, net.JoinHostPort(host, port))
if err != nil {
return nil, err
}
return NewConn(socket)
}

212
vendor/github.com/godbus/dbus/v5/transport_unix.go generated vendored Normal file
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@ -0,0 +1,212 @@
//+build !windows,!solaris
package dbus
import (
"bytes"
"encoding/binary"
"errors"
"io"
"net"
"syscall"
)
type oobReader struct {
conn *net.UnixConn
oob []byte
buf [4096]byte
}
func (o *oobReader) Read(b []byte) (n int, err error) {
n, oobn, flags, _, err := o.conn.ReadMsgUnix(b, o.buf[:])
if err != nil {
return n, err
}
if flags&syscall.MSG_CTRUNC != 0 {
return n, errors.New("dbus: control data truncated (too many fds received)")
}
o.oob = append(o.oob, o.buf[:oobn]...)
return n, nil
}
type unixTransport struct {
*net.UnixConn
rdr *oobReader
hasUnixFDs bool
}
func newUnixTransport(keys string) (transport, error) {
var err error
t := new(unixTransport)
abstract := getKey(keys, "abstract")
path := getKey(keys, "path")
switch {
case abstract == "" && path == "":
return nil, errors.New("dbus: invalid address (neither path nor abstract set)")
case abstract != "" && path == "":
t.UnixConn, err = net.DialUnix("unix", nil, &net.UnixAddr{Name: "@" + abstract, Net: "unix"})
if err != nil {
return nil, err
}
return t, nil
case abstract == "" && path != "":
t.UnixConn, err = net.DialUnix("unix", nil, &net.UnixAddr{Name: path, Net: "unix"})
if err != nil {
return nil, err
}
return t, nil
default:
return nil, errors.New("dbus: invalid address (both path and abstract set)")
}
}
func init() {
transports["unix"] = newUnixTransport
}
func (t *unixTransport) EnableUnixFDs() {
t.hasUnixFDs = true
}
func (t *unixTransport) ReadMessage() (*Message, error) {
var (
blen, hlen uint32
csheader [16]byte
headers []header
order binary.ByteOrder
unixfds uint32
)
// To be sure that all bytes of out-of-band data are read, we use a special
// reader that uses ReadUnix on the underlying connection instead of Read
// and gathers the out-of-band data in a buffer.
if t.rdr == nil {
t.rdr = &oobReader{conn: t.UnixConn}
} else {
t.rdr.oob = nil
}
// read the first 16 bytes (the part of the header that has a constant size),
// from which we can figure out the length of the rest of the message
if _, err := io.ReadFull(t.rdr, csheader[:]); err != nil {
return nil, err
}
switch csheader[0] {
case 'l':
order = binary.LittleEndian
case 'B':
order = binary.BigEndian
default:
return nil, InvalidMessageError("invalid byte order")
}
// csheader[4:8] -> length of message body, csheader[12:16] -> length of
// header fields (without alignment)
binary.Read(bytes.NewBuffer(csheader[4:8]), order, &blen)
binary.Read(bytes.NewBuffer(csheader[12:]), order, &hlen)
if hlen%8 != 0 {
hlen += 8 - (hlen % 8)
}
// decode headers and look for unix fds
headerdata := make([]byte, hlen+4)
copy(headerdata, csheader[12:])
if _, err := io.ReadFull(t.rdr, headerdata[4:]); err != nil {
return nil, err
}
dec := newDecoder(bytes.NewBuffer(headerdata), order, make([]int, 0))
dec.pos = 12
vs, err := dec.Decode(Signature{"a(yv)"})
if err != nil {
return nil, err
}
Store(vs, &headers)
for _, v := range headers {
if v.Field == byte(FieldUnixFDs) {
unixfds, _ = v.Variant.value.(uint32)
}
}
all := make([]byte, 16+hlen+blen)
copy(all, csheader[:])
copy(all[16:], headerdata[4:])
if _, err := io.ReadFull(t.rdr, all[16+hlen:]); err != nil {
return nil, err
}
if unixfds != 0 {
if !t.hasUnixFDs {
return nil, errors.New("dbus: got unix fds on unsupported transport")
}
// read the fds from the OOB data
scms, err := syscall.ParseSocketControlMessage(t.rdr.oob)
if err != nil {
return nil, err
}
if len(scms) != 1 {
return nil, errors.New("dbus: received more than one socket control message")
}
fds, err := syscall.ParseUnixRights(&scms[0])
if err != nil {
return nil, err
}
msg, err := DecodeMessageWithFDs(bytes.NewBuffer(all), fds)
if err != nil {
return nil, err
}
// substitute the values in the message body (which are indices for the
// array receiver via OOB) with the actual values
for i, v := range msg.Body {
switch index := v.(type) {
case UnixFDIndex:
if uint32(index) >= unixfds {
return nil, InvalidMessageError("invalid index for unix fd")
}
msg.Body[i] = UnixFD(fds[index])
case []UnixFDIndex:
fdArray := make([]UnixFD, len(index))
for k, j := range index {
if uint32(j) >= unixfds {
return nil, InvalidMessageError("invalid index for unix fd")
}
fdArray[k] = UnixFD(fds[j])
}
msg.Body[i] = fdArray
}
}
return msg, nil
}
return DecodeMessage(bytes.NewBuffer(all))
}
func (t *unixTransport) SendMessage(msg *Message) error {
fdcnt, err := msg.CountFds()
if err != nil {
return err
}
if fdcnt != 0 {
if !t.hasUnixFDs {
return errors.New("dbus: unix fd passing not enabled")
}
msg.Headers[FieldUnixFDs] = MakeVariant(uint32(fdcnt))
buf := new(bytes.Buffer)
fds, err := msg.EncodeToWithFDs(buf, nativeEndian)
if err != nil {
return err
}
oob := syscall.UnixRights(fds...)
n, oobn, err := t.UnixConn.WriteMsgUnix(buf.Bytes(), oob, nil)
if err != nil {
return err
}
if n != buf.Len() || oobn != len(oob) {
return io.ErrShortWrite
}
} else {
if err := msg.EncodeTo(t, nativeEndian); err != nil {
return err
}
}
return nil
}
func (t *unixTransport) SupportsUnixFDs() bool {
return true
}

95
vendor/github.com/godbus/dbus/v5/transport_unixcred_dragonfly.go generated vendored Normal file
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@ -0,0 +1,95 @@
// The UnixCredentials system call is currently only implemented on Linux
// http://golang.org/src/pkg/syscall/sockcmsg_linux.go
// https://golang.org/s/go1.4-syscall
// http://code.google.com/p/go/source/browse/unix/sockcmsg_linux.go?repo=sys
// Local implementation of the UnixCredentials system call for DragonFly BSD
package dbus
/*
#include <sys/ucred.h>
*/
import "C"
import (
"io"
"os"
"syscall"
"unsafe"
)
// http://golang.org/src/pkg/syscall/ztypes_linux_amd64.go
// http://golang.org/src/pkg/syscall/ztypes_dragonfly_amd64.go
type Ucred struct {
Pid int32
Uid uint32
Gid uint32
}
// http://golang.org/src/pkg/syscall/types_linux.go
// http://golang.org/src/pkg/syscall/types_dragonfly.go
// https://github.com/DragonFlyBSD/DragonFlyBSD/blob/master/sys/sys/ucred.h
const (
SizeofUcred = C.sizeof_struct_ucred
)
// http://golang.org/src/pkg/syscall/sockcmsg_unix.go
func cmsgAlignOf(salen int) int {
// From http://golang.org/src/pkg/syscall/sockcmsg_unix.go
//salign := sizeofPtr
// NOTE: It seems like 64-bit Darwin and DragonFly BSD kernels
// still require 32-bit aligned access to network subsystem.
//if darwin64Bit || dragonfly64Bit {
// salign = 4
//}
salign := 4
return (salen + salign - 1) & ^(salign - 1)
}
// http://golang.org/src/pkg/syscall/sockcmsg_unix.go
func cmsgData(h *syscall.Cmsghdr) unsafe.Pointer {
return unsafe.Pointer(uintptr(unsafe.Pointer(h)) + uintptr(cmsgAlignOf(syscall.SizeofCmsghdr)))
}
// http://golang.org/src/pkg/syscall/sockcmsg_linux.go
// UnixCredentials encodes credentials into a socket control message
// for sending to another process. This can be used for
// authentication.
func UnixCredentials(ucred *Ucred) []byte {
b := make([]byte, syscall.CmsgSpace(SizeofUcred))
h := (*syscall.Cmsghdr)(unsafe.Pointer(&b[0]))
h.Level = syscall.SOL_SOCKET
h.Type = syscall.SCM_CREDS
h.SetLen(syscall.CmsgLen(SizeofUcred))
*((*Ucred)(cmsgData(h))) = *ucred
return b
}
// http://golang.org/src/pkg/syscall/sockcmsg_linux.go
// ParseUnixCredentials decodes a socket control message that contains
// credentials in a Ucred structure. To receive such a message, the
// SO_PASSCRED option must be enabled on the socket.
func ParseUnixCredentials(m *syscall.SocketControlMessage) (*Ucred, error) {
if m.Header.Level != syscall.SOL_SOCKET {
return nil, syscall.EINVAL
}
if m.Header.Type != syscall.SCM_CREDS {
return nil, syscall.EINVAL
}
ucred := *(*Ucred)(unsafe.Pointer(&m.Data[0]))
return &ucred, nil
}
func (t *unixTransport) SendNullByte() error {
ucred := &Ucred{Pid: int32(os.Getpid()), Uid: uint32(os.Getuid()), Gid: uint32(os.Getgid())}
b := UnixCredentials(ucred)
_, oobn, err := t.UnixConn.WriteMsgUnix([]byte{0}, b, nil)
if err != nil {
return err
}
if oobn != len(b) {
return io.ErrShortWrite
}
return nil
}

92
vendor/github.com/godbus/dbus/v5/transport_unixcred_freebsd.go generated vendored Normal file
View file

@ -0,0 +1,92 @@
// The UnixCredentials system call is currently only implemented on Linux
// http://golang.org/src/pkg/syscall/sockcmsg_linux.go
// https://golang.org/s/go1.4-syscall
// http://code.google.com/p/go/source/browse/unix/sockcmsg_linux.go?repo=sys
// Local implementation of the UnixCredentials system call for FreeBSD
package dbus
/*
const int sizeofPtr = sizeof(void*);
#define _WANT_UCRED
#include <sys/types.h>
#include <sys/ucred.h>
*/
import "C"
import (
"io"
"os"
"syscall"
"unsafe"
)
// http://golang.org/src/pkg/syscall/ztypes_linux_amd64.go
// https://golang.org/src/syscall/ztypes_freebsd_amd64.go
type Ucred struct {
Pid int32
Uid uint32
Gid uint32
}
// http://golang.org/src/pkg/syscall/types_linux.go
// https://golang.org/src/syscall/types_freebsd.go
// https://github.com/freebsd/freebsd/blob/master/sys/sys/ucred.h
const (
SizeofUcred = C.sizeof_struct_ucred
)
// http://golang.org/src/pkg/syscall/sockcmsg_unix.go
func cmsgAlignOf(salen int) int {
salign := C.sizeofPtr
return (salen + salign - 1) & ^(salign - 1)
}
// http://golang.org/src/pkg/syscall/sockcmsg_unix.go
func cmsgData(h *syscall.Cmsghdr) unsafe.Pointer {
return unsafe.Pointer(uintptr(unsafe.Pointer(h)) + uintptr(cmsgAlignOf(syscall.SizeofCmsghdr)))
}
// http://golang.org/src/pkg/syscall/sockcmsg_linux.go
// UnixCredentials encodes credentials into a socket control message
// for sending to another process. This can be used for
// authentication.
func UnixCredentials(ucred *Ucred) []byte {
b := make([]byte, syscall.CmsgSpace(SizeofUcred))
h := (*syscall.Cmsghdr)(unsafe.Pointer(&b[0]))
h.Level = syscall.SOL_SOCKET
h.Type = syscall.SCM_CREDS
h.SetLen(syscall.CmsgLen(SizeofUcred))
*((*Ucred)(cmsgData(h))) = *ucred
return b
}
// http://golang.org/src/pkg/syscall/sockcmsg_linux.go
// ParseUnixCredentials decodes a socket control message that contains
// credentials in a Ucred structure. To receive such a message, the
// SO_PASSCRED option must be enabled on the socket.
func ParseUnixCredentials(m *syscall.SocketControlMessage) (*Ucred, error) {
if m.Header.Level != syscall.SOL_SOCKET {
return nil, syscall.EINVAL
}
if m.Header.Type != syscall.SCM_CREDS {
return nil, syscall.EINVAL
}
ucred := *(*Ucred)(unsafe.Pointer(&m.Data[0]))
return &ucred, nil
}
func (t *unixTransport) SendNullByte() error {
ucred := &Ucred{Pid: int32(os.Getpid()), Uid: uint32(os.Getuid()), Gid: uint32(os.Getgid())}
b := UnixCredentials(ucred)
_, oobn, err := t.UnixConn.WriteMsgUnix([]byte{0}, b, nil)
if err != nil {
return err
}
if oobn != len(b) {
return io.ErrShortWrite
}
return nil
}

25
vendor/github.com/godbus/dbus/v5/transport_unixcred_linux.go generated vendored Normal file
View file

@ -0,0 +1,25 @@
// The UnixCredentials system call is currently only implemented on Linux
// http://golang.org/src/pkg/syscall/sockcmsg_linux.go
// https://golang.org/s/go1.4-syscall
// http://code.google.com/p/go/source/browse/unix/sockcmsg_linux.go?repo=sys
package dbus
import (
"io"
"os"
"syscall"
)
func (t *unixTransport) SendNullByte() error {
ucred := &syscall.Ucred{Pid: int32(os.Getpid()), Uid: uint32(os.Getuid()), Gid: uint32(os.Getgid())}
b := syscall.UnixCredentials(ucred)
_, oobn, err := t.UnixConn.WriteMsgUnix([]byte{0}, b, nil)
if err != nil {
return err
}
if oobn != len(b) {
return io.ErrShortWrite
}
return nil
}

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