mirror of
https://gitea.com/Lydanne/buildx.git
synced 2025-07-09 21:17:09 +08:00
vendor: update buildkit with typed errors support
Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
This commit is contained in:
Tonis Tiigi
20
vendor/github.com/containerd/continuity/AUTHORS
generated
vendored
20
vendor/github.com/containerd/continuity/AUTHORS
generated
vendored
@ -1,16 +1,36 @@
|
||||
Aaron Lehmann <aaron.lehmann@docker.com>
|
||||
Akash Gupta <akagup@microsoft.com>
|
||||
Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
|
||||
Akihiro Suda <suda.akihiro@lab.ntt.co.jp>
|
||||
Akihiro Suda <suda.kyoto@gmail.com>
|
||||
Andrew Pennebaker <apennebaker@datapipe.com>
|
||||
Brandon Philips <brandon.philips@coreos.com>
|
||||
Brian Goff <cpuguy83@gmail.com>
|
||||
Christopher Jones <tophj@linux.vnet.ibm.com>
|
||||
Daniel, Dao Quang Minh <dqminh89@gmail.com>
|
||||
Darren Stahl <darst@microsoft.com>
|
||||
Derek McGowan <derek@mcg.dev>
|
||||
Derek McGowan <derek@mcgstyle.net>
|
||||
Edward Pilatowicz <edward.pilatowicz@oracle.com>
|
||||
Ian Campbell <ijc@docker.com>
|
||||
Ivan Markin <sw@nogoegst.net>
|
||||
Justin Cormack <justin.cormack@docker.com>
|
||||
Justin Cummins <sul3n3t@gmail.com>
|
||||
Kasper Fabæch Brandt <poizan@poizan.dk>
|
||||
Kir Kolyshkin <kolyshkin@gmail.com>
|
||||
Michael Crosby <crosbymichael@gmail.com>
|
||||
Michael Wan <zirenwan@gmail.com>
|
||||
Niels de Vos <ndevos@redhat.com>
|
||||
Phil Estes <estesp@gmail.com>
|
||||
Phil Estes <estesp@linux.vnet.ibm.com>
|
||||
Sam Whited <sam@samwhited.com>
|
||||
Shengjing Zhu <zhsj@debian.org>
|
||||
Stephen J Day <stephen.day@docker.com>
|
||||
Tibor Vass <tibor@docker.com>
|
||||
Tobias Klauser <tklauser@distanz.ch>
|
||||
Tom Faulhaber <tffaulha@amazon.com>
|
||||
Tonis Tiigi <tonistiigi@gmail.com>
|
||||
Trevor Porter <trkporter@ucdavis.edu>
|
||||
Wei Fu <fuweid89@gmail.com>
|
||||
Wilbert van de Ridder <wilbert.ridder@gmail.com>
|
||||
Xiaodong Ye <xiaodongy@vmware.com>
|
||||
|
||||
26
vendor/github.com/containerd/continuity/syscallx/syscall_unix.go
generated
vendored
26
vendor/github.com/containerd/continuity/syscallx/syscall_unix.go
generated
vendored
@ -1,26 +0,0 @@
|
||||
// +build !windows
|
||||
|
||||
/*
|
||||
Copyright The containerd Authors.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
package syscallx
|
||||
|
||||
import "syscall"
|
||||
|
||||
// Readlink returns the destination of the named symbolic link.
|
||||
func Readlink(path string, buf []byte) (n int, err error) {
|
||||
return syscall.Readlink(path, buf)
|
||||
}
|
||||
112
vendor/github.com/containerd/continuity/syscallx/syscall_windows.go
generated
vendored
112
vendor/github.com/containerd/continuity/syscallx/syscall_windows.go
generated
vendored
@ -1,112 +0,0 @@
|
||||
/*
|
||||
Copyright The containerd Authors.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
package syscallx
|
||||
|
||||
import (
|
||||
"syscall"
|
||||
"unsafe"
|
||||
)
|
||||
|
||||
type reparseDataBuffer struct {
|
||||
ReparseTag uint32
|
||||
ReparseDataLength uint16
|
||||
Reserved uint16
|
||||
|
||||
// GenericReparseBuffer
|
||||
reparseBuffer byte
|
||||
}
|
||||
|
||||
type mountPointReparseBuffer struct {
|
||||
SubstituteNameOffset uint16
|
||||
SubstituteNameLength uint16
|
||||
PrintNameOffset uint16
|
||||
PrintNameLength uint16
|
||||
PathBuffer [1]uint16
|
||||
}
|
||||
|
||||
type symbolicLinkReparseBuffer struct {
|
||||
SubstituteNameOffset uint16
|
||||
SubstituteNameLength uint16
|
||||
PrintNameOffset uint16
|
||||
PrintNameLength uint16
|
||||
Flags uint32
|
||||
PathBuffer [1]uint16
|
||||
}
|
||||
|
||||
const (
|
||||
_IO_REPARSE_TAG_MOUNT_POINT = 0xA0000003
|
||||
_SYMLINK_FLAG_RELATIVE = 1
|
||||
)
|
||||
|
||||
// Readlink returns the destination of the named symbolic link.
|
||||
func Readlink(path string, buf []byte) (n int, err error) {
|
||||
fd, err := syscall.CreateFile(syscall.StringToUTF16Ptr(path), syscall.GENERIC_READ, 0, nil, syscall.OPEN_EXISTING,
|
||||
syscall.FILE_FLAG_OPEN_REPARSE_POINT|syscall.FILE_FLAG_BACKUP_SEMANTICS, 0)
|
||||
if err != nil {
|
||||
return -1, err
|
||||
}
|
||||
defer syscall.CloseHandle(fd)
|
||||
|
||||
rdbbuf := make([]byte, syscall.MAXIMUM_REPARSE_DATA_BUFFER_SIZE)
|
||||
var bytesReturned uint32
|
||||
err = syscall.DeviceIoControl(fd, syscall.FSCTL_GET_REPARSE_POINT, nil, 0, &rdbbuf[0], uint32(len(rdbbuf)), &bytesReturned, nil)
|
||||
if err != nil {
|
||||
return -1, err
|
||||
}
|
||||
|
||||
rdb := (*reparseDataBuffer)(unsafe.Pointer(&rdbbuf[0]))
|
||||
var s string
|
||||
switch rdb.ReparseTag {
|
||||
case syscall.IO_REPARSE_TAG_SYMLINK:
|
||||
data := (*symbolicLinkReparseBuffer)(unsafe.Pointer(&rdb.reparseBuffer))
|
||||
p := (*[0xffff]uint16)(unsafe.Pointer(&data.PathBuffer[0]))
|
||||
s = syscall.UTF16ToString(p[data.SubstituteNameOffset/2 : (data.SubstituteNameOffset+data.SubstituteNameLength)/2])
|
||||
if data.Flags&_SYMLINK_FLAG_RELATIVE == 0 {
|
||||
if len(s) >= 4 && s[:4] == `\??\` {
|
||||
s = s[4:]
|
||||
switch {
|
||||
case len(s) >= 2 && s[1] == ':': // \??\C:\foo\bar
|
||||
// do nothing
|
||||
case len(s) >= 4 && s[:4] == `UNC\`: // \??\UNC\foo\bar
|
||||
s = `\\` + s[4:]
|
||||
default:
|
||||
// unexpected; do nothing
|
||||
}
|
||||
} else {
|
||||
// unexpected; do nothing
|
||||
}
|
||||
}
|
||||
case _IO_REPARSE_TAG_MOUNT_POINT:
|
||||
data := (*mountPointReparseBuffer)(unsafe.Pointer(&rdb.reparseBuffer))
|
||||
p := (*[0xffff]uint16)(unsafe.Pointer(&data.PathBuffer[0]))
|
||||
s = syscall.UTF16ToString(p[data.SubstituteNameOffset/2 : (data.SubstituteNameOffset+data.SubstituteNameLength)/2])
|
||||
if len(s) >= 4 && s[:4] == `\??\` { // \??\C:\foo\bar
|
||||
if len(s) < 48 || s[:11] != `\??\Volume{` {
|
||||
s = s[4:]
|
||||
}
|
||||
} else {
|
||||
// unexpected; do nothing
|
||||
}
|
||||
default:
|
||||
// the path is not a symlink or junction but another type of reparse
|
||||
// point
|
||||
return -1, syscall.ENOENT
|
||||
}
|
||||
n = copy(buf, []byte(s))
|
||||
|
||||
return n, nil
|
||||
}
|
||||
128
vendor/github.com/containerd/continuity/sysx/file_posix.go
generated
vendored
128
vendor/github.com/containerd/continuity/sysx/file_posix.go
generated
vendored
@ -1,128 +0,0 @@
|
||||
/*
|
||||
Copyright The containerd Authors.
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
package sysx
|
||||
|
||||
import (
|
||||
"os"
|
||||
"path/filepath"
|
||||
|
||||
"github.com/containerd/continuity/syscallx"
|
||||
)
|
||||
|
||||
// Readlink returns the destination of the named symbolic link.
|
||||
// If there is an error, it will be of type *PathError.
|
||||
func Readlink(name string) (string, error) {
|
||||
for len := 128; ; len *= 2 {
|
||||
b := make([]byte, len)
|
||||
n, e := fixCount(syscallx.Readlink(fixLongPath(name), b))
|
||||
if e != nil {
|
||||
return "", &os.PathError{Op: "readlink", Path: name, Err: e}
|
||||
}
|
||||
if n < len {
|
||||
return string(b[0:n]), nil
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Many functions in package syscall return a count of -1 instead of 0.
|
||||
// Using fixCount(call()) instead of call() corrects the count.
|
||||
func fixCount(n int, err error) (int, error) {
|
||||
if n < 0 {
|
||||
n = 0
|
||||
}
|
||||
return n, err
|
||||
}
|
||||
|
||||
// fixLongPath returns the extended-length (\\?\-prefixed) form of
|
||||
// path when needed, in order to avoid the default 260 character file
|
||||
// path limit imposed by Windows. If path is not easily converted to
|
||||
// the extended-length form (for example, if path is a relative path
|
||||
// or contains .. elements), or is short enough, fixLongPath returns
|
||||
// path unmodified.
|
||||
//
|
||||
// See https://msdn.microsoft.com/en-us/library/windows/desktop/aa365247(v=vs.85).aspx#maxpath
|
||||
func fixLongPath(path string) string {
|
||||
// Do nothing (and don't allocate) if the path is "short".
|
||||
// Empirically (at least on the Windows Server 2013 builder),
|
||||
// the kernel is arbitrarily okay with < 248 bytes. That
|
||||
// matches what the docs above say:
|
||||
// "When using an API to create a directory, the specified
|
||||
// path cannot be so long that you cannot append an 8.3 file
|
||||
// name (that is, the directory name cannot exceed MAX_PATH
|
||||
// minus 12)." Since MAX_PATH is 260, 260 - 12 = 248.
|
||||
//
|
||||
// The MSDN docs appear to say that a normal path that is 248 bytes long
|
||||
// will work; empirically the path must be less then 248 bytes long.
|
||||
if len(path) < 248 {
|
||||
// Don't fix. (This is how Go 1.7 and earlier worked,
|
||||
// not automatically generating the \\?\ form)
|
||||
return path
|
||||
}
|
||||
|
||||
// The extended form begins with \\?\, as in
|
||||
// \\?\c:\windows\foo.txt or \\?\UNC\server\share\foo.txt.
|
||||
// The extended form disables evaluation of . and .. path
|
||||
// elements and disables the interpretation of / as equivalent
|
||||
// to \. The conversion here rewrites / to \ and elides
|
||||
// . elements as well as trailing or duplicate separators. For
|
||||
// simplicity it avoids the conversion entirely for relative
|
||||
// paths or paths containing .. elements. For now,
|
||||
// \\server\share paths are not converted to
|
||||
// \\?\UNC\server\share paths because the rules for doing so
|
||||
// are less well-specified.
|
||||
if len(path) >= 2 && path[:2] == `\\` {
|
||||
// Don't canonicalize UNC paths.
|
||||
return path
|
||||
}
|
||||
if !filepath.IsAbs(path) {
|
||||
// Relative path
|
||||
return path
|
||||
}
|
||||
|
||||
const prefix = `\\?`
|
||||
|
||||
pathbuf := make([]byte, len(prefix)+len(path)+len(`\`))
|
||||
copy(pathbuf, prefix)
|
||||
n := len(path)
|
||||
r, w := 0, len(prefix)
|
||||
for r < n {
|
||||
switch {
|
||||
case os.IsPathSeparator(path[r]):
|
||||
// empty block
|
||||
r++
|
||||
case path[r] == '.' && (r+1 == n || os.IsPathSeparator(path[r+1])):
|
||||
// /./
|
||||
r++
|
||||
case r+1 < n && path[r] == '.' && path[r+1] == '.' && (r+2 == n || os.IsPathSeparator(path[r+2])):
|
||||
// /../ is currently unhandled
|
||||
return path
|
||||
default:
|
||||
pathbuf[w] = '\\'
|
||||
w++
|
||||
for ; r < n && !os.IsPathSeparator(path[r]); r++ {
|
||||
pathbuf[w] = path[r]
|
||||
w++
|
||||
}
|
||||
}
|
||||
}
|
||||
// A drive's root directory needs a trailing \
|
||||
if w == len(`\\?\c:`) {
|
||||
pathbuf[w] = '\\'
|
||||
w++
|
||||
}
|
||||
return string(pathbuf[:w])
|
||||
}
|
||||
72
vendor/github.com/containerd/continuity/sysx/xattr.go
generated
vendored
72
vendor/github.com/containerd/continuity/sysx/xattr.go
generated
vendored
@ -20,7 +20,6 @@ package sysx
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"syscall"
|
||||
|
||||
"golang.org/x/sys/unix"
|
||||
)
|
||||
@ -66,60 +65,53 @@ func LGetxattr(path, attr string) ([]byte, error) {
|
||||
return getxattrAll(path, attr, unix.Lgetxattr)
|
||||
}
|
||||
|
||||
const defaultXattrBufferSize = 5
|
||||
const defaultXattrBufferSize = 128
|
||||
|
||||
type listxattrFunc func(path string, dest []byte) (int, error)
|
||||
|
||||
func listxattrAll(path string, listFunc listxattrFunc) ([]string, error) {
|
||||
var p []byte // nil on first execution
|
||||
|
||||
for {
|
||||
n, err := listFunc(path, p) // first call gets buffer size.
|
||||
buf := make([]byte, defaultXattrBufferSize)
|
||||
n, err := listFunc(path, buf)
|
||||
for err == unix.ERANGE {
|
||||
// Buffer too small, use zero-sized buffer to get the actual size
|
||||
n, err = listFunc(path, []byte{})
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
if n > len(p) {
|
||||
p = make([]byte, n)
|
||||
continue
|
||||
}
|
||||
|
||||
p = p[:n]
|
||||
|
||||
ps := bytes.Split(bytes.TrimSuffix(p, []byte{0}), []byte{0})
|
||||
var entries []string
|
||||
for _, p := range ps {
|
||||
s := string(p)
|
||||
if s != "" {
|
||||
entries = append(entries, s)
|
||||
}
|
||||
}
|
||||
|
||||
return entries, nil
|
||||
buf = make([]byte, n)
|
||||
n, err = listFunc(path, buf)
|
||||
}
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
ps := bytes.Split(bytes.TrimSuffix(buf[:n], []byte{0}), []byte{0})
|
||||
var entries []string
|
||||
for _, p := range ps {
|
||||
if len(p) > 0 {
|
||||
entries = append(entries, string(p))
|
||||
}
|
||||
}
|
||||
|
||||
return entries, nil
|
||||
}
|
||||
|
||||
type getxattrFunc func(string, string, []byte) (int, error)
|
||||
|
||||
func getxattrAll(path, attr string, getFunc getxattrFunc) ([]byte, error) {
|
||||
p := make([]byte, defaultXattrBufferSize)
|
||||
for {
|
||||
n, err := getFunc(path, attr, p)
|
||||
buf := make([]byte, defaultXattrBufferSize)
|
||||
n, err := getFunc(path, attr, buf)
|
||||
for err == unix.ERANGE {
|
||||
// Buffer too small, use zero-sized buffer to get the actual size
|
||||
n, err = getFunc(path, attr, []byte{})
|
||||
if err != nil {
|
||||
if errno, ok := err.(syscall.Errno); ok && errno == syscall.ERANGE {
|
||||
p = make([]byte, len(p)*2) // this can't be ideal.
|
||||
continue // try again!
|
||||
}
|
||||
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// realloc to correct size and repeat
|
||||
if n > len(p) {
|
||||
p = make([]byte, n)
|
||||
continue
|
||||
}
|
||||
|
||||
return p[:n], nil
|
||||
buf = make([]byte, n)
|
||||
n, err = getFunc(path, attr, buf)
|
||||
}
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return buf[:n], nil
|
||||
}
|
||||
|
||||
12
vendor/github.com/containerd/continuity/sysx/xattr_unsupported.go
generated
vendored
12
vendor/github.com/containerd/continuity/sysx/xattr_unsupported.go
generated
vendored
@ -23,7 +23,7 @@ import (
|
||||
"runtime"
|
||||
)
|
||||
|
||||
var unsupported = errors.New("extended attributes unsupported on " + runtime.GOOS)
|
||||
var errUnsupported = errors.New("extended attributes unsupported on " + runtime.GOOS)
|
||||
|
||||
// Listxattr calls syscall listxattr and reads all content
|
||||
// and returns a string array
|
||||
@ -33,17 +33,17 @@ func Listxattr(path string) ([]string, error) {
|
||||
|
||||
// Removexattr calls syscall removexattr
|
||||
func Removexattr(path string, attr string) (err error) {
|
||||
return unsupported
|
||||
return errUnsupported
|
||||
}
|
||||
|
||||
// Setxattr calls syscall setxattr
|
||||
func Setxattr(path string, attr string, data []byte, flags int) (err error) {
|
||||
return unsupported
|
||||
return errUnsupported
|
||||
}
|
||||
|
||||
// Getxattr calls syscall getxattr
|
||||
func Getxattr(path, attr string) ([]byte, error) {
|
||||
return []byte{}, unsupported
|
||||
return []byte{}, errUnsupported
|
||||
}
|
||||
|
||||
// LListxattr lists xattrs, not following symlinks
|
||||
@ -53,12 +53,12 @@ func LListxattr(path string) ([]string, error) {
|
||||
|
||||
// LRemovexattr removes an xattr, not following symlinks
|
||||
func LRemovexattr(path string, attr string) (err error) {
|
||||
return unsupported
|
||||
return errUnsupported
|
||||
}
|
||||
|
||||
// LSetxattr sets an xattr, not following symlinks
|
||||
func LSetxattr(path string, attr string, data []byte, flags int) (err error) {
|
||||
return unsupported
|
||||
return errUnsupported
|
||||
}
|
||||
|
||||
// LGetxattr gets an xattr, not following symlinks
|
||||
|
||||
Reference in New Issue
Block a user