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https://github.com/go-gitea/gitea
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* Upgrade xorm to v1.2.2 (#16663) Backport #16663 Fix #16683 * Upgrade xorm to v1.2.2 * Change the Engine interface to match xorm v1.2.2 * Add test to ensure that dumping of login sources remains correct (#16847) #16831 has occurred because of a missed regression. This PR adds a simple test to try to prevent this occuring again. Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
196 lines
5.2 KiB
Go
Vendored
196 lines
5.2 KiB
Go
Vendored
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Fork, exec, wait, etc.
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package windows
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import (
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errorspkg "errors"
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"unsafe"
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"golang.org/x/sys/internal/unsafeheader"
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)
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// EscapeArg rewrites command line argument s as prescribed
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// in http://msdn.microsoft.com/en-us/library/ms880421.
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// This function returns "" (2 double quotes) if s is empty.
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// Alternatively, these transformations are done:
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// - every back slash (\) is doubled, but only if immediately
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// followed by double quote (");
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// - every double quote (") is escaped by back slash (\);
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// - finally, s is wrapped with double quotes (arg -> "arg"),
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// but only if there is space or tab inside s.
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func EscapeArg(s string) string {
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if len(s) == 0 {
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return "\"\""
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}
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n := len(s)
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hasSpace := false
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for i := 0; i < len(s); i++ {
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switch s[i] {
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case '"', '\\':
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n++
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case ' ', '\t':
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hasSpace = true
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}
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}
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if hasSpace {
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n += 2
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}
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if n == len(s) {
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return s
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}
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qs := make([]byte, n)
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j := 0
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if hasSpace {
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qs[j] = '"'
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j++
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}
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slashes := 0
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for i := 0; i < len(s); i++ {
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switch s[i] {
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default:
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slashes = 0
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qs[j] = s[i]
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case '\\':
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slashes++
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qs[j] = s[i]
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case '"':
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for ; slashes > 0; slashes-- {
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qs[j] = '\\'
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j++
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}
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qs[j] = '\\'
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j++
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qs[j] = s[i]
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}
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j++
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}
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if hasSpace {
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for ; slashes > 0; slashes-- {
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qs[j] = '\\'
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j++
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}
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qs[j] = '"'
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j++
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}
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return string(qs[:j])
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}
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// ComposeCommandLine escapes and joins the given arguments suitable for use as a Windows command line,
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// in CreateProcess's CommandLine argument, CreateService/ChangeServiceConfig's BinaryPathName argument,
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// or any program that uses CommandLineToArgv.
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func ComposeCommandLine(args []string) string {
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var commandLine string
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for i := range args {
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if i > 0 {
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commandLine += " "
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}
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commandLine += EscapeArg(args[i])
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}
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return commandLine
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}
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// DecomposeCommandLine breaks apart its argument command line into unescaped parts using CommandLineToArgv,
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// as gathered from GetCommandLine, QUERY_SERVICE_CONFIG's BinaryPathName argument, or elsewhere that
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// command lines are passed around.
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func DecomposeCommandLine(commandLine string) ([]string, error) {
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if len(commandLine) == 0 {
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return []string{}, nil
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}
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var argc int32
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argv, err := CommandLineToArgv(StringToUTF16Ptr(commandLine), &argc)
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if err != nil {
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return nil, err
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}
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defer LocalFree(Handle(unsafe.Pointer(argv)))
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var args []string
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for _, v := range (*argv)[:argc] {
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args = append(args, UTF16ToString((*v)[:]))
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}
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return args, nil
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}
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func CloseOnExec(fd Handle) {
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SetHandleInformation(Handle(fd), HANDLE_FLAG_INHERIT, 0)
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}
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// FullPath retrieves the full path of the specified file.
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func FullPath(name string) (path string, err error) {
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p, err := UTF16PtrFromString(name)
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if err != nil {
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return "", err
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}
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n := uint32(100)
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for {
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buf := make([]uint16, n)
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n, err = GetFullPathName(p, uint32(len(buf)), &buf[0], nil)
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if err != nil {
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return "", err
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}
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if n <= uint32(len(buf)) {
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return UTF16ToString(buf[:n]), nil
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}
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}
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}
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// NewProcThreadAttributeList allocates a new ProcThreadAttributeListContainer, with the requested maximum number of attributes.
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func NewProcThreadAttributeList(maxAttrCount uint32) (*ProcThreadAttributeListContainer, error) {
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var size uintptr
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err := initializeProcThreadAttributeList(nil, maxAttrCount, 0, &size)
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if err != ERROR_INSUFFICIENT_BUFFER {
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if err == nil {
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return nil, errorspkg.New("unable to query buffer size from InitializeProcThreadAttributeList")
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}
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return nil, err
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}
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// size is guaranteed to be ≥1 by InitializeProcThreadAttributeList.
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al := &ProcThreadAttributeListContainer{data: (*ProcThreadAttributeList)(unsafe.Pointer(&make([]byte, size)[0]))}
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err = initializeProcThreadAttributeList(al.data, maxAttrCount, 0, &size)
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if err != nil {
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return nil, err
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}
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return al, err
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}
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// Update modifies the ProcThreadAttributeList using UpdateProcThreadAttribute.
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// Note that the value passed to this function will be copied into memory
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// allocated by LocalAlloc, the contents of which should not contain any
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// Go-managed pointers, even if the passed value itself is a Go-managed
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// pointer.
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func (al *ProcThreadAttributeListContainer) Update(attribute uintptr, value unsafe.Pointer, size uintptr) error {
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alloc, err := LocalAlloc(LMEM_FIXED, uint32(size))
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if err != nil {
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return err
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}
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var src, dst []byte
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hdr := (*unsafeheader.Slice)(unsafe.Pointer(&src))
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hdr.Data = value
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hdr.Cap = int(size)
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hdr.Len = int(size)
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hdr = (*unsafeheader.Slice)(unsafe.Pointer(&dst))
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hdr.Data = unsafe.Pointer(alloc)
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hdr.Cap = int(size)
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hdr.Len = int(size)
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copy(dst, src)
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al.heapAllocations = append(al.heapAllocations, alloc)
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return updateProcThreadAttribute(al.data, 0, attribute, unsafe.Pointer(alloc), size, nil, nil)
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}
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// Delete frees ProcThreadAttributeList's resources.
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func (al *ProcThreadAttributeListContainer) Delete() {
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deleteProcThreadAttributeList(al.data)
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for i := range al.heapAllocations {
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LocalFree(Handle(al.heapAllocations[i]))
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}
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al.heapAllocations = nil
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}
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// List returns the actual ProcThreadAttributeList to be passed to StartupInfoEx.
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func (al *ProcThreadAttributeListContainer) List() *ProcThreadAttributeList {
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return al.data
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}
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