vendor: update buildkit to master@c36941f4a10e

Signed-off-by: Justin Chadwell <me@jedevc.com>
This commit is contained in:
Justin Chadwell
2023-05-30 09:10:52 +01:00
parent 17bdbbd3c3
commit 6c62225d1b
141 changed files with 1402 additions and 1161 deletions

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@ -8,12 +8,8 @@ linters:
- containedctx # struct contains a context
- dupl # duplicate code
- errname # erorrs are named correctly
- goconst # strings that should be constants
- godot # comments end in a period
- misspell
- nolintlint # "//nolint" directives are properly explained
- revive # golint replacement
- stylecheck # golint replacement, less configurable than revive
- unconvert # unnecessary conversions
- wastedassign
@ -23,10 +19,7 @@ linters:
- exhaustive # check exhaustiveness of enum switch statements
- gofmt # files are gofmt'ed
- gosec # security
- nestif # deeply nested ifs
- nilerr # returns nil even with non-nil error
- prealloc # slices that can be pre-allocated
- structcheck # unused struct fields
- unparam # unused function params
issues:
@ -42,6 +35,18 @@ issues:
text: "^line-length-limit: "
source: "^//(go:generate|sys) "
#TODO: remove after upgrading to go1.18
# ignore comment spacing for nolint and sys directives
- linters:
- revive
text: "^comment-spacings: no space between comment delimiter and comment text"
source: "//(cspell:|nolint:|sys |todo)"
# not on go 1.18 yet, so no any
- linters:
- revive
text: "^use-any: since GO 1.18 'interface{}' can be replaced by 'any'"
# allow unjustified ignores of error checks in defer statements
- linters:
- nolintlint
@ -56,6 +61,8 @@ issues:
linters-settings:
exhaustive:
default-signifies-exhaustive: true
govet:
enable-all: true
disable:
@ -98,6 +105,8 @@ linters-settings:
disabled: true
- name: flag-parameter # excessive, and a common idiom we use
disabled: true
- name: unhandled-error # warns over common fmt.Print* and io.Close; rely on errcheck instead
disabled: true
# general config
- name: line-length-limit
arguments:
@ -138,7 +147,3 @@ linters-settings:
- VPCI
- WCOW
- WIM
stylecheck:
checks:
- "all"
- "-ST1003" # use revive's var naming

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@ -23,7 +23,7 @@ import (
const afHVSock = 34 // AF_HYPERV
// Well known Service and VM IDs
//https://docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/user-guide/make-integration-service#vmid-wildcards
// https://docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/user-guide/make-integration-service#vmid-wildcards
// HvsockGUIDWildcard is the wildcard VmId for accepting connections from all partitions.
func HvsockGUIDWildcard() guid.GUID { // 00000000-0000-0000-0000-000000000000
@ -31,7 +31,7 @@ func HvsockGUIDWildcard() guid.GUID { // 00000000-0000-0000-0000-000000000000
}
// HvsockGUIDBroadcast is the wildcard VmId for broadcasting sends to all partitions.
func HvsockGUIDBroadcast() guid.GUID { //ffffffff-ffff-ffff-ffff-ffffffffffff
func HvsockGUIDBroadcast() guid.GUID { // ffffffff-ffff-ffff-ffff-ffffffffffff
return guid.GUID{
Data1: 0xffffffff,
Data2: 0xffff,
@ -246,7 +246,7 @@ func (l *HvsockListener) Accept() (_ net.Conn, err error) {
var addrbuf [addrlen * 2]byte
var bytes uint32
err = syscall.AcceptEx(l.sock.handle, sock.handle, &addrbuf[0], 0 /*rxdatalen*/, addrlen, addrlen, &bytes, &c.o)
err = syscall.AcceptEx(l.sock.handle, sock.handle, &addrbuf[0], 0 /* rxdatalen */, addrlen, addrlen, &bytes, &c.o)
if _, err = l.sock.asyncIO(c, nil, bytes, err); err != nil {
return nil, l.opErr("accept", os.NewSyscallError("acceptex", err))
}

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@ -0,0 +1,2 @@
// This package contains Win32 filesystem functionality.
package fs

202
vendor/github.com/Microsoft/go-winio/internal/fs/fs.go generated vendored Normal file
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@ -0,0 +1,202 @@
//go:build windows
package fs
import (
"golang.org/x/sys/windows"
"github.com/Microsoft/go-winio/internal/stringbuffer"
)
//go:generate go run github.com/Microsoft/go-winio/tools/mkwinsyscall -output zsyscall_windows.go fs.go
// https://learn.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-createfilew
//sys CreateFile(name string, access AccessMask, mode FileShareMode, sa *syscall.SecurityAttributes, createmode FileCreationDisposition, attrs FileFlagOrAttribute, templatefile windows.Handle) (handle windows.Handle, err error) [failretval==windows.InvalidHandle] = CreateFileW
const NullHandle windows.Handle = 0
// AccessMask defines standard, specific, and generic rights.
//
// Bitmask:
// 3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
// 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
// +---------------+---------------+-------------------------------+
// |G|G|G|G|Resvd|A| StandardRights| SpecificRights |
// |R|W|E|A| |S| | |
// +-+-------------+---------------+-------------------------------+
//
// GR Generic Read
// GW Generic Write
// GE Generic Exectue
// GA Generic All
// Resvd Reserved
// AS Access Security System
//
// https://learn.microsoft.com/en-us/windows/win32/secauthz/access-mask
//
// https://learn.microsoft.com/en-us/windows/win32/secauthz/generic-access-rights
//
// https://learn.microsoft.com/en-us/windows/win32/fileio/file-access-rights-constants
type AccessMask = windows.ACCESS_MASK
//nolint:revive // SNAKE_CASE is not idiomatic in Go, but aligned with Win32 API.
const (
// Not actually any.
//
// For CreateFile: "query certain metadata such as file, directory, or device attributes without accessing that file or device"
// https://learn.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-createfilew#parameters
FILE_ANY_ACCESS AccessMask = 0
// Specific Object Access
// from ntioapi.h
FILE_READ_DATA AccessMask = (0x0001) // file & pipe
FILE_LIST_DIRECTORY AccessMask = (0x0001) // directory
FILE_WRITE_DATA AccessMask = (0x0002) // file & pipe
FILE_ADD_FILE AccessMask = (0x0002) // directory
FILE_APPEND_DATA AccessMask = (0x0004) // file
FILE_ADD_SUBDIRECTORY AccessMask = (0x0004) // directory
FILE_CREATE_PIPE_INSTANCE AccessMask = (0x0004) // named pipe
FILE_READ_EA AccessMask = (0x0008) // file & directory
FILE_READ_PROPERTIES AccessMask = FILE_READ_EA
FILE_WRITE_EA AccessMask = (0x0010) // file & directory
FILE_WRITE_PROPERTIES AccessMask = FILE_WRITE_EA
FILE_EXECUTE AccessMask = (0x0020) // file
FILE_TRAVERSE AccessMask = (0x0020) // directory
FILE_DELETE_CHILD AccessMask = (0x0040) // directory
FILE_READ_ATTRIBUTES AccessMask = (0x0080) // all
FILE_WRITE_ATTRIBUTES AccessMask = (0x0100) // all
FILE_ALL_ACCESS AccessMask = (STANDARD_RIGHTS_REQUIRED | SYNCHRONIZE | 0x1FF)
FILE_GENERIC_READ AccessMask = (STANDARD_RIGHTS_READ | FILE_READ_DATA | FILE_READ_ATTRIBUTES | FILE_READ_EA | SYNCHRONIZE)
FILE_GENERIC_WRITE AccessMask = (STANDARD_RIGHTS_WRITE | FILE_WRITE_DATA | FILE_WRITE_ATTRIBUTES | FILE_WRITE_EA | FILE_APPEND_DATA | SYNCHRONIZE)
FILE_GENERIC_EXECUTE AccessMask = (STANDARD_RIGHTS_EXECUTE | FILE_READ_ATTRIBUTES | FILE_EXECUTE | SYNCHRONIZE)
SPECIFIC_RIGHTS_ALL AccessMask = 0x0000FFFF
// Standard Access
// from ntseapi.h
DELETE AccessMask = 0x0001_0000
READ_CONTROL AccessMask = 0x0002_0000
WRITE_DAC AccessMask = 0x0004_0000
WRITE_OWNER AccessMask = 0x0008_0000
SYNCHRONIZE AccessMask = 0x0010_0000
STANDARD_RIGHTS_REQUIRED AccessMask = 0x000F_0000
STANDARD_RIGHTS_READ AccessMask = READ_CONTROL
STANDARD_RIGHTS_WRITE AccessMask = READ_CONTROL
STANDARD_RIGHTS_EXECUTE AccessMask = READ_CONTROL
STANDARD_RIGHTS_ALL AccessMask = 0x001F_0000
)
type FileShareMode uint32
//nolint:revive // SNAKE_CASE is not idiomatic in Go, but aligned with Win32 API.
const (
FILE_SHARE_NONE FileShareMode = 0x00
FILE_SHARE_READ FileShareMode = 0x01
FILE_SHARE_WRITE FileShareMode = 0x02
FILE_SHARE_DELETE FileShareMode = 0x04
FILE_SHARE_VALID_FLAGS FileShareMode = 0x07
)
type FileCreationDisposition uint32
//nolint:revive // SNAKE_CASE is not idiomatic in Go, but aligned with Win32 API.
const (
// from winbase.h
CREATE_NEW FileCreationDisposition = 0x01
CREATE_ALWAYS FileCreationDisposition = 0x02
OPEN_EXISTING FileCreationDisposition = 0x03
OPEN_ALWAYS FileCreationDisposition = 0x04
TRUNCATE_EXISTING FileCreationDisposition = 0x05
)
// CreateFile and co. take flags or attributes together as one parameter.
// Define alias until we can use generics to allow both
// https://learn.microsoft.com/en-us/windows/win32/fileio/file-attribute-constants
type FileFlagOrAttribute uint32
//nolint:revive // SNAKE_CASE is not idiomatic in Go, but aligned with Win32 API.
const ( // from winnt.h
FILE_FLAG_WRITE_THROUGH FileFlagOrAttribute = 0x8000_0000
FILE_FLAG_OVERLAPPED FileFlagOrAttribute = 0x4000_0000
FILE_FLAG_NO_BUFFERING FileFlagOrAttribute = 0x2000_0000
FILE_FLAG_RANDOM_ACCESS FileFlagOrAttribute = 0x1000_0000
FILE_FLAG_SEQUENTIAL_SCAN FileFlagOrAttribute = 0x0800_0000
FILE_FLAG_DELETE_ON_CLOSE FileFlagOrAttribute = 0x0400_0000
FILE_FLAG_BACKUP_SEMANTICS FileFlagOrAttribute = 0x0200_0000
FILE_FLAG_POSIX_SEMANTICS FileFlagOrAttribute = 0x0100_0000
FILE_FLAG_OPEN_REPARSE_POINT FileFlagOrAttribute = 0x0020_0000
FILE_FLAG_OPEN_NO_RECALL FileFlagOrAttribute = 0x0010_0000
FILE_FLAG_FIRST_PIPE_INSTANCE FileFlagOrAttribute = 0x0008_0000
)
type FileSQSFlag = FileFlagOrAttribute
//nolint:revive // SNAKE_CASE is not idiomatic in Go, but aligned with Win32 API.
const ( // from winbase.h
SECURITY_ANONYMOUS FileSQSFlag = FileSQSFlag(SecurityAnonymous << 16)
SECURITY_IDENTIFICATION FileSQSFlag = FileSQSFlag(SecurityIdentification << 16)
SECURITY_IMPERSONATION FileSQSFlag = FileSQSFlag(SecurityImpersonation << 16)
SECURITY_DELEGATION FileSQSFlag = FileSQSFlag(SecurityDelegation << 16)
SECURITY_SQOS_PRESENT FileSQSFlag = 0x00100000
SECURITY_VALID_SQOS_FLAGS FileSQSFlag = 0x001F0000
)
// GetFinalPathNameByHandle flags
//
// https://learn.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-getfinalpathnamebyhandlew#parameters
type GetFinalPathFlag uint32
//nolint:revive // SNAKE_CASE is not idiomatic in Go, but aligned with Win32 API.
const (
GetFinalPathDefaultFlag GetFinalPathFlag = 0x0
FILE_NAME_NORMALIZED GetFinalPathFlag = 0x0
FILE_NAME_OPENED GetFinalPathFlag = 0x8
VOLUME_NAME_DOS GetFinalPathFlag = 0x0
VOLUME_NAME_GUID GetFinalPathFlag = 0x1
VOLUME_NAME_NT GetFinalPathFlag = 0x2
VOLUME_NAME_NONE GetFinalPathFlag = 0x4
)
// getFinalPathNameByHandle facilitates calling the Windows API GetFinalPathNameByHandle
// with the given handle and flags. It transparently takes care of creating a buffer of the
// correct size for the call.
//
// https://learn.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-getfinalpathnamebyhandlew
func GetFinalPathNameByHandle(h windows.Handle, flags GetFinalPathFlag) (string, error) {
b := stringbuffer.NewWString()
//TODO: can loop infinitely if Win32 keeps returning the same (or a larger) n?
for {
n, err := windows.GetFinalPathNameByHandle(h, b.Pointer(), b.Cap(), uint32(flags))
if err != nil {
return "", err
}
// If the buffer wasn't large enough, n will be the total size needed (including null terminator).
// Resize and try again.
if n > b.Cap() {
b.ResizeTo(n)
continue
}
// If the buffer is large enough, n will be the size not including the null terminator.
// Convert to a Go string and return.
return b.String(), nil
}
}

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@ -0,0 +1,12 @@
package fs
// https://learn.microsoft.com/en-us/windows/win32/api/winnt/ne-winnt-security_impersonation_level
type SecurityImpersonationLevel int32 // C default enums underlying type is `int`, which is Go `int32`
// Impersonation levels
const (
SecurityAnonymous SecurityImpersonationLevel = 0
SecurityIdentification SecurityImpersonationLevel = 1
SecurityImpersonation SecurityImpersonationLevel = 2
SecurityDelegation SecurityImpersonationLevel = 3
)

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@ -0,0 +1,64 @@
//go:build windows
// Code generated by 'go generate' using "github.com/Microsoft/go-winio/tools/mkwinsyscall"; DO NOT EDIT.
package fs
import (
"syscall"
"unsafe"
"golang.org/x/sys/windows"
)
var _ unsafe.Pointer
// Do the interface allocations only once for common
// Errno values.
const (
errnoERROR_IO_PENDING = 997
)
var (
errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
errERROR_EINVAL error = syscall.EINVAL
)
// errnoErr returns common boxed Errno values, to prevent
// allocations at runtime.
func errnoErr(e syscall.Errno) error {
switch e {
case 0:
return errERROR_EINVAL
case errnoERROR_IO_PENDING:
return errERROR_IO_PENDING
}
// TODO: add more here, after collecting data on the common
// error values see on Windows. (perhaps when running
// all.bat?)
return e
}
var (
modkernel32 = windows.NewLazySystemDLL("kernel32.dll")
procCreateFileW = modkernel32.NewProc("CreateFileW")
)
func CreateFile(name string, access AccessMask, mode FileShareMode, sa *syscall.SecurityAttributes, createmode FileCreationDisposition, attrs FileFlagOrAttribute, templatefile windows.Handle) (handle windows.Handle, err error) {
var _p0 *uint16
_p0, err = syscall.UTF16PtrFromString(name)
if err != nil {
return
}
return _CreateFile(_p0, access, mode, sa, createmode, attrs, templatefile)
}
func _CreateFile(name *uint16, access AccessMask, mode FileShareMode, sa *syscall.SecurityAttributes, createmode FileCreationDisposition, attrs FileFlagOrAttribute, templatefile windows.Handle) (handle windows.Handle, err error) {
r0, _, e1 := syscall.Syscall9(procCreateFileW.Addr(), 7, uintptr(unsafe.Pointer(name)), uintptr(access), uintptr(mode), uintptr(unsafe.Pointer(sa)), uintptr(createmode), uintptr(attrs), uintptr(templatefile), 0, 0)
handle = windows.Handle(r0)
if handle == windows.InvalidHandle {
err = errnoErr(e1)
}
return
}

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@ -100,8 +100,8 @@ func (f *runtimeFunc) Load() error {
(*byte)(unsafe.Pointer(&f.addr)),
uint32(unsafe.Sizeof(f.addr)),
&n,
nil, //overlapped
0, //completionRoutine
nil, // overlapped
0, // completionRoutine
)
})
return f.err

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@ -0,0 +1,132 @@
package stringbuffer
import (
"sync"
"unicode/utf16"
)
// TODO: worth exporting and using in mkwinsyscall?
// Uint16BufferSize is the buffer size in the pool, chosen somewhat arbitrarily to accommodate
// large path strings:
// MAX_PATH (260) + size of volume GUID prefix (49) + null terminator = 310.
const MinWStringCap = 310
// use *[]uint16 since []uint16 creates an extra allocation where the slice header
// is copied to heap and then referenced via pointer in the interface header that sync.Pool
// stores.
var pathPool = sync.Pool{ // if go1.18+ adds Pool[T], use that to store []uint16 directly
New: func() interface{} {
b := make([]uint16, MinWStringCap)
return &b
},
}
func newBuffer() []uint16 { return *(pathPool.Get().(*[]uint16)) }
// freeBuffer copies the slice header data, and puts a pointer to that in the pool.
// This avoids taking a pointer to the slice header in WString, which can be set to nil.
func freeBuffer(b []uint16) { pathPool.Put(&b) }
// WString is a wide string buffer ([]uint16) meant for storing UTF-16 encoded strings
// for interacting with Win32 APIs.
// Sizes are specified as uint32 and not int.
//
// It is not thread safe.
type WString struct {
// type-def allows casting to []uint16 directly, use struct to prevent that and allow adding fields in the future.
// raw buffer
b []uint16
}
// NewWString returns a [WString] allocated from a shared pool with an
// initial capacity of at least [MinWStringCap].
// Since the buffer may have been previously used, its contents are not guaranteed to be empty.
//
// The buffer should be freed via [WString.Free]
func NewWString() *WString {
return &WString{
b: newBuffer(),
}
}
func (b *WString) Free() {
if b.empty() {
return
}
freeBuffer(b.b)
b.b = nil
}
// ResizeTo grows the buffer to at least c and returns the new capacity, freeing the
// previous buffer back into pool.
func (b *WString) ResizeTo(c uint32) uint32 {
// allready sufficient (or n is 0)
if c <= b.Cap() {
return b.Cap()
}
if c <= MinWStringCap {
c = MinWStringCap
}
// allocate at-least double buffer size, as is done in [bytes.Buffer] and other places
if c <= 2*b.Cap() {
c = 2 * b.Cap()
}
b2 := make([]uint16, c)
if !b.empty() {
copy(b2, b.b)
freeBuffer(b.b)
}
b.b = b2
return c
}
// Buffer returns the underlying []uint16 buffer.
func (b *WString) Buffer() []uint16 {
if b.empty() {
return nil
}
return b.b
}
// Pointer returns a pointer to the first uint16 in the buffer.
// If the [WString.Free] has already been called, the pointer will be nil.
func (b *WString) Pointer() *uint16 {
if b.empty() {
return nil
}
return &b.b[0]
}
// String returns the returns the UTF-8 encoding of the UTF-16 string in the buffer.
//
// It assumes that the data is null-terminated.
func (b *WString) String() string {
// Using [windows.UTF16ToString] would require importing "golang.org/x/sys/windows"
// and would make this code Windows-only, which makes no sense.
// So copy UTF16ToString code into here.
// If other windows-specific code is added, switch to [windows.UTF16ToString]
s := b.b
for i, v := range s {
if v == 0 {
s = s[:i]
break
}
}
return string(utf16.Decode(s))
}
// Cap returns the underlying buffer capacity.
func (b *WString) Cap() uint32 {
if b.empty() {
return 0
}
return b.cap()
}
func (b *WString) cap() uint32 { return uint32(cap(b.b)) }
func (b *WString) empty() bool { return b == nil || b.cap() == 0 }

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@ -16,11 +16,12 @@ import (
"unsafe"
"golang.org/x/sys/windows"
"github.com/Microsoft/go-winio/internal/fs"
)
//sys connectNamedPipe(pipe syscall.Handle, o *syscall.Overlapped) (err error) = ConnectNamedPipe
//sys createNamedPipe(name string, flags uint32, pipeMode uint32, maxInstances uint32, outSize uint32, inSize uint32, defaultTimeout uint32, sa *syscall.SecurityAttributes) (handle syscall.Handle, err error) [failretval==syscall.InvalidHandle] = CreateNamedPipeW
//sys createFile(name string, access uint32, mode uint32, sa *syscall.SecurityAttributes, createmode uint32, attrs uint32, templatefile syscall.Handle) (handle syscall.Handle, err error) [failretval==syscall.InvalidHandle] = CreateFileW
//sys getNamedPipeInfo(pipe syscall.Handle, flags *uint32, outSize *uint32, inSize *uint32, maxInstances *uint32) (err error) = GetNamedPipeInfo
//sys getNamedPipeHandleState(pipe syscall.Handle, state *uint32, curInstances *uint32, maxCollectionCount *uint32, collectDataTimeout *uint32, userName *uint16, maxUserNameSize uint32) (err error) = GetNamedPipeHandleStateW
//sys localAlloc(uFlags uint32, length uint32) (ptr uintptr) = LocalAlloc
@ -163,19 +164,21 @@ func (s pipeAddress) String() string {
}
// tryDialPipe attempts to dial the pipe at `path` until `ctx` cancellation or timeout.
func tryDialPipe(ctx context.Context, path *string, access uint32) (syscall.Handle, error) {
func tryDialPipe(ctx context.Context, path *string, access fs.AccessMask) (syscall.Handle, error) {
for {
select {
case <-ctx.Done():
return syscall.Handle(0), ctx.Err()
default:
h, err := createFile(*path,
wh, err := fs.CreateFile(*path,
access,
0,
nil,
syscall.OPEN_EXISTING,
windows.FILE_FLAG_OVERLAPPED|windows.SECURITY_SQOS_PRESENT|windows.SECURITY_ANONYMOUS,
0)
0, // mode
nil, // security attributes
fs.OPEN_EXISTING,
fs.FILE_FLAG_OVERLAPPED|fs.SECURITY_SQOS_PRESENT|fs.SECURITY_ANONYMOUS,
0, // template file handle
)
h := syscall.Handle(wh)
if err == nil {
return h, nil
}
@ -219,7 +222,7 @@ func DialPipeContext(ctx context.Context, path string) (net.Conn, error) {
func DialPipeAccess(ctx context.Context, path string, access uint32) (net.Conn, error) {
var err error
var h syscall.Handle
h, err = tryDialPipe(ctx, &path, access)
h, err = tryDialPipe(ctx, &path, fs.AccessMask(access))
if err != nil {
return nil, err
}
@ -279,6 +282,7 @@ func makeServerPipeHandle(path string, sd []byte, c *PipeConfig, first bool) (sy
}
defer localFree(ntPath.Buffer)
oa.ObjectName = &ntPath
oa.Attributes = windows.OBJ_CASE_INSENSITIVE
// The security descriptor is only needed for the first pipe.
if first {

View File

@ -63,7 +63,6 @@ var (
procBackupWrite = modkernel32.NewProc("BackupWrite")
procCancelIoEx = modkernel32.NewProc("CancelIoEx")
procConnectNamedPipe = modkernel32.NewProc("ConnectNamedPipe")
procCreateFileW = modkernel32.NewProc("CreateFileW")
procCreateIoCompletionPort = modkernel32.NewProc("CreateIoCompletionPort")
procCreateNamedPipeW = modkernel32.NewProc("CreateNamedPipeW")
procGetCurrentThread = modkernel32.NewProc("GetCurrentThread")
@ -305,24 +304,6 @@ func connectNamedPipe(pipe syscall.Handle, o *syscall.Overlapped) (err error) {
return
}
func createFile(name string, access uint32, mode uint32, sa *syscall.SecurityAttributes, createmode uint32, attrs uint32, templatefile syscall.Handle) (handle syscall.Handle, err error) {
var _p0 *uint16
_p0, err = syscall.UTF16PtrFromString(name)
if err != nil {
return
}
return _createFile(_p0, access, mode, sa, createmode, attrs, templatefile)
}
func _createFile(name *uint16, access uint32, mode uint32, sa *syscall.SecurityAttributes, createmode uint32, attrs uint32, templatefile syscall.Handle) (handle syscall.Handle, err error) {
r0, _, e1 := syscall.Syscall9(procCreateFileW.Addr(), 7, uintptr(unsafe.Pointer(name)), uintptr(access), uintptr(mode), uintptr(unsafe.Pointer(sa)), uintptr(createmode), uintptr(attrs), uintptr(templatefile), 0, 0)
handle = syscall.Handle(r0)
if handle == syscall.InvalidHandle {
err = errnoErr(e1)
}
return
}
func createIoCompletionPort(file syscall.Handle, port syscall.Handle, key uintptr, threadCount uint32) (newport syscall.Handle, err error) {
r0, _, e1 := syscall.Syscall6(procCreateIoCompletionPort.Addr(), 4, uintptr(file), uintptr(port), uintptr(key), uintptr(threadCount), 0, 0)
newport = syscall.Handle(r0)

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@ -188,7 +188,7 @@ func Export(ctx context.Context, store content.Provider, writer io.Writer, opts
}
name := desc.Annotations[images.AnnotationImageName]
if name != "" && !eo.skipDockerManifest {
if name != "" {
mt.names = append(mt.names, name)
}
case images.MediaTypeDockerSchema2ManifestList, ocispec.MediaTypeImageIndex:
@ -227,26 +227,24 @@ func Export(ctx context.Context, store content.Provider, writer io.Writer, opts
records = append(records, r...)
}
if !eo.skipDockerManifest {
if len(manifests) >= 1 {
if len(manifests) > 1 {
sort.SliceStable(manifests, func(i, j int) bool {
if manifests[i].Platform == nil {
return false
}
if manifests[j].Platform == nil {
return true
}
return eo.platform.Less(*manifests[i].Platform, *manifests[j].Platform)
})
}
d = manifests[0].Digest
dManifests[d] = &exportManifest{
manifest: manifests[0],
}
} else if eo.platform != nil {
return fmt.Errorf("no manifest found for platform: %w", errdefs.ErrNotFound)
if len(manifests) >= 1 {
if len(manifests) > 1 {
sort.SliceStable(manifests, func(i, j int) bool {
if manifests[i].Platform == nil {
return false
}
if manifests[j].Platform == nil {
return true
}
return eo.platform.Less(*manifests[i].Platform, *manifests[j].Platform)
})
}
d = manifests[0].Digest
dManifests[d] = &exportManifest{
manifest: manifests[0],
}
} else if eo.platform != nil {
return fmt.Errorf("no manifest found for platform: %w", errdefs.ErrNotFound)
}
resolvedIndex[desc.Digest] = d
}
@ -262,7 +260,7 @@ func Export(ctx context.Context, store content.Provider, writer io.Writer, opts
}
}
if len(dManifests) > 0 {
if !eo.skipDockerManifest && len(dManifests) > 0 {
tr, err := manifestsRecord(ctx, store, dManifests)
if err != nil {
return fmt.Errorf("unable to create manifests file: %w", err)

View File

@ -23,7 +23,7 @@ var (
Package = "github.com/containerd/containerd"
// Version holds the complete version number. Filled in at linking time.
Version = "1.7.0+unknown"
Version = "1.7.1+unknown"
// Revision is filled with the VCS (e.g. git) revision being used to build
// the program at linking time.

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@ -1,7 +1,5 @@
linters:
enable:
- structcheck
- varcheck
- staticcheck
- unconvert
- gofmt

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@ -18,6 +18,7 @@ package continuity
import (
"bytes"
"errors"
"fmt"
"io"
"os"
@ -151,7 +152,7 @@ func (c *context) Resource(p string, fi os.FileInfo) (Resource, error) {
}
base.xattrs, err = c.resolveXAttrs(fp, fi, base)
if err != nil && err != ErrNotSupported {
if err != nil && !errors.Is(err, ErrNotSupported) {
return nil, err
}
@ -410,7 +411,7 @@ func (c *context) Apply(resource Resource) error {
return fmt.Errorf("resource %v escapes root", resource)
}
var chmod = true
chmod := true
fi, err := c.driver.Lstat(fp)
if err != nil {
if !os.IsNotExist(err) {

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@ -56,7 +56,7 @@ func WriteFile(r Driver, filename string, data []byte, perm os.FileMode) error {
return nil
}
// ReadDir works the same as ioutil.ReadDir with the Driver abstraction
// ReadDir works the same as os.ReadDir with the Driver abstraction
func ReadDir(r Driver, dirname string) ([]os.FileInfo, error) {
f, err := r.Open(dirname)
if err != nil {

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@ -18,7 +18,6 @@ package fs
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"sync"
@ -111,7 +110,7 @@ func copyDirectory(dst, src string, inodes map[uint64]string, o *copyDirOpts) er
}
}
fis, err := ioutil.ReadDir(src)
entries, err := os.ReadDir(src)
if err != nil {
return fmt.Errorf("failed to read %s: %w", src, err)
}
@ -124,18 +123,23 @@ func copyDirectory(dst, src string, inodes map[uint64]string, o *copyDirOpts) er
return fmt.Errorf("failed to copy xattrs: %w", err)
}
for _, fi := range fis {
source := filepath.Join(src, fi.Name())
target := filepath.Join(dst, fi.Name())
for _, entry := range entries {
source := filepath.Join(src, entry.Name())
target := filepath.Join(dst, entry.Name())
fileInfo, err := entry.Info()
if err != nil {
return fmt.Errorf("failed to get file info for %s: %w", entry.Name(), err)
}
switch {
case fi.IsDir():
case entry.IsDir():
if err := copyDirectory(target, source, inodes, o); err != nil {
return err
}
continue
case (fi.Mode() & os.ModeType) == 0:
link, err := getLinkSource(target, fi, inodes)
case (fileInfo.Mode() & os.ModeType) == 0:
link, err := getLinkSource(target, fileInfo, inodes)
if err != nil {
return fmt.Errorf("failed to get hardlink: %w", err)
}
@ -146,7 +150,7 @@ func copyDirectory(dst, src string, inodes map[uint64]string, o *copyDirOpts) er
} else if err := CopyFile(target, source); err != nil {
return fmt.Errorf("failed to copy files: %w", err)
}
case (fi.Mode() & os.ModeSymlink) == os.ModeSymlink:
case (fileInfo.Mode() & os.ModeSymlink) == os.ModeSymlink:
link, err := os.Readlink(source)
if err != nil {
return fmt.Errorf("failed to read link: %s: %w", source, err)
@ -154,18 +158,18 @@ func copyDirectory(dst, src string, inodes map[uint64]string, o *copyDirOpts) er
if err := os.Symlink(link, target); err != nil {
return fmt.Errorf("failed to create symlink: %s: %w", target, err)
}
case (fi.Mode() & os.ModeDevice) == os.ModeDevice,
(fi.Mode() & os.ModeNamedPipe) == os.ModeNamedPipe,
(fi.Mode() & os.ModeSocket) == os.ModeSocket:
if err := copyIrregular(target, fi); err != nil {
case (fileInfo.Mode() & os.ModeDevice) == os.ModeDevice,
(fileInfo.Mode() & os.ModeNamedPipe) == os.ModeNamedPipe,
(fileInfo.Mode() & os.ModeSocket) == os.ModeSocket:
if err := copyIrregular(target, fileInfo); err != nil {
return fmt.Errorf("failed to create irregular file: %w", err)
}
default:
logrus.Warnf("unsupported mode: %s: %s", source, fi.Mode())
logrus.Warnf("unsupported mode: %s: %s", source, fileInfo.Mode())
continue
}
if err := copyFileInfo(fi, source, target); err != nil {
if err := copyFileInfo(fileInfo, source, target); err != nil {
return fmt.Errorf("failed to copy file info: %w", err)
}
@ -180,6 +184,10 @@ func copyDirectory(dst, src string, inodes map[uint64]string, o *copyDirOpts) er
// CopyFile copies the source file to the target.
// The most efficient means of copying is used for the platform.
func CopyFile(target, source string) error {
return copyFile(target, source)
}
func openAndCopyFile(target, source string) error {
src, err := os.Open(source)
if err != nil {
return fmt.Errorf("failed to open source %s: %w", source, err)

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@ -0,0 +1,35 @@
/*
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 fs
import (
"errors"
"fmt"
"golang.org/x/sys/unix"
)
func copyFile(target, source string) error {
if err := unix.Clonefile(source, target, unix.CLONE_NOFOLLOW); err != nil {
if !errors.Is(err, unix.ENOTSUP) && !errors.Is(err, unix.EXDEV) {
return fmt.Errorf("clonefile failed: %w", err)
}
return openAndCopyFile(target, source)
}
return nil
}

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@ -0,0 +1,22 @@
//go:build !darwin
// +build !darwin
/*
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 fs
var copyFile = openAndCopyFile

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@ -23,6 +23,7 @@ import (
"fmt"
"io"
"os"
"runtime"
"syscall"
"github.com/containerd/continuity/sysx"
@ -71,6 +72,10 @@ func copyFileContent(dst, src *os.File) error {
func copyXAttrs(dst, src string, excludes map[string]struct{}, errorHandler XAttrErrorHandler) error {
xattrKeys, err := sysx.LListxattr(src)
if err != nil {
if os.IsPermission(err) && runtime.GOOS == "darwin" {
// On darwin, character devices do not permit listing xattrs
return nil
}
e := fmt.Errorf("failed to list xattrs on %s: %w", src, err)
if errorHandler != nil {
e = errorHandler(dst, src, "", e)

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@ -49,7 +49,6 @@ func copyFileInfo(fi os.FileInfo, src, name string) error {
secInfo, err := windows.GetNamedSecurityInfo(
src, windows.SE_FILE_OBJECT,
windows.OWNER_SECURITY_INFORMATION|windows.DACL_SECURITY_INFORMATION)
if err != nil {
return err
}
@ -68,7 +67,6 @@ func copyFileInfo(fi os.FileInfo, src, name string) error {
name, windows.SE_FILE_OBJECT,
windows.OWNER_SECURITY_INFORMATION|windows.DACL_SECURITY_INFORMATION,
sid, nil, dacl, nil); err != nil {
return err
}
return nil

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@ -80,12 +80,13 @@ type ChangeFunc func(ChangeKind, string, os.FileInfo, error) error
//
// The change callback is called by the order of path names and
// should be appliable in that order.
// Due to this apply ordering, the following is true
// - Removed directory trees only create a single change for the root
// directory removed. Remaining changes are implied.
// - A directory which is modified to become a file will not have
// delete entries for sub-path items, their removal is implied
// by the removal of the parent directory.
//
// Due to this apply ordering, the following is true
// - Removed directory trees only create a single change for the root
// directory removed. Remaining changes are implied.
// - A directory which is modified to become a file will not have
// delete entries for sub-path items, their removal is implied
// by the removal of the parent directory.
//
// Opaque directories will not be treated specially and each file
// removed from the base directory will show up as a removal.

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@ -21,14 +21,13 @@ package fs
import (
"fmt"
"io/ioutil"
"os"
"syscall"
"unsafe"
)
func locateDummyIfEmpty(path string) (string, error) {
children, err := ioutil.ReadDir(path)
children, err := os.ReadDir(path)
if err != nil {
return "", err
}

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@ -28,10 +28,11 @@ import (
// blocksUnitSize is the unit used by `st_blocks` in `stat` in bytes.
// See https://man7.org/linux/man-pages/man2/stat.2.html
// st_blocks
// This field indicates the number of blocks allocated to the
// file, in 512-byte units. (This may be smaller than
// st_size/512 when the file has holes.)
//
// st_blocks
// This field indicates the number of blocks allocated to the
// file, in 512-byte units. (This may be smaller than
// st_size/512 when the file has holes.)
const blocksUnitSize = 512
type inode struct {
@ -48,7 +49,6 @@ func newInode(stat *syscall.Stat_t) inode {
}
func diskUsage(ctx context.Context, roots ...string) (Usage, error) {
var (
size int64
inodes = map[inode]struct{}{} // expensive!

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@ -26,9 +26,7 @@ import (
)
func diskUsage(ctx context.Context, roots ...string) (Usage, error) {
var (
size int64
)
var size int64
// TODO(stevvooe): Support inodes (or equivalent) for windows.
@ -57,9 +55,7 @@ func diskUsage(ctx context.Context, roots ...string) (Usage, error) {
}
func diffUsage(ctx context.Context, a, b string) (Usage, error) {
var (
size int64
)
var size int64
if err := Changes(ctx, a, b, func(kind ChangeKind, _ string, fi os.FileInfo, err error) error {
if err != nil {

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@ -16,9 +16,22 @@
package fstest
// TODO: Any more metadata files generated by Windows layers?
// TODO: Also skip Recycle Bin contents in Windows layers which is used to store deleted files in some cases
var metadataFiles = map[string]bool{
"\\System Volume Information": true,
"\\WcSandboxState": true,
"\\System Volume Information": true,
"\\WcSandboxState": true,
"\\WcSandboxState\\Hives": true,
"\\WcSandboxState\\Hives\\DefaultUser_Delta": true,
"\\WcSandboxState\\Hives\\Sam_Delta": true,
"\\WcSandboxState\\Hives\\Security_Delta": true,
"\\WcSandboxState\\Hives\\Software_Delta": true,
"\\WcSandboxState\\Hives\\System_Delta": true,
"\\WcSandboxState\\initialized": true,
"\\Windows": true,
"\\Windows\\System32": true,
"\\Windows\\System32\\config": true,
"\\Windows\\System32\\config\\DEFAULT": true,
"\\Windows\\System32\\config\\SAM": true,
"\\Windows\\System32\\config\\SECURITY": true,
"\\Windows\\System32\\config\\SOFTWARE": true,
"\\Windows\\System32\\config\\SYSTEM": true,
}

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@ -129,7 +129,6 @@ func compareResource(r1, r2 continuity.Resource) bool {
// TODO(dmcgowan): Check if is XAttrer
return compareResourceTypes(r1, r2)
}
func compareResourceTypes(r1, r2 continuity.Resource) bool {

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@ -32,13 +32,13 @@ func Lchtimes(name string, atime, mtime time.Time) Applier {
// that the filter will mount. It is used for testing the snapshotter
func Base() Applier {
return Apply(
CreateDir("Windows", 0755),
CreateDir("Windows/System32", 0755),
CreateDir("Windows/System32/Config", 0755),
CreateFile("Windows/System32/Config/SYSTEM", []byte("foo\n"), 0777),
CreateFile("Windows/System32/Config/SOFTWARE", []byte("foo\n"), 0777),
CreateFile("Windows/System32/Config/SAM", []byte("foo\n"), 0777),
CreateFile("Windows/System32/Config/SECURITY", []byte("foo\n"), 0777),
CreateFile("Windows/System32/Config/DEFAULT", []byte("foo\n"), 0777),
CreateDir("Windows", 0o755),
CreateDir("Windows/System32", 0o755),
CreateDir("Windows/System32/Config", 0o755),
CreateFile("Windows/System32/Config/SYSTEM", []byte("foo\n"), 0o777),
CreateFile("Windows/System32/Config/SOFTWARE", []byte("foo\n"), 0o777),
CreateFile("Windows/System32/Config/SAM", []byte("foo\n"), 0o777),
CreateFile("Windows/System32/Config/SECURITY", []byte("foo\n"), 0o777),
CreateFile("Windows/System32/Config/DEFAULT", []byte("foo\n"), 0o777),
)
}

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@ -81,14 +81,14 @@ var (
// baseApplier creates a basic filesystem layout
// with multiple types of files for basic tests.
baseApplier = Apply(
CreateDir("/etc/", 0755),
CreateFile("/etc/hosts", []byte("127.0.0.1 localhost"), 0644),
CreateDir("/etc/", 0o755),
CreateFile("/etc/hosts", []byte("127.0.0.1 localhost"), 0o644),
Link("/etc/hosts", "/etc/hosts.allow"),
CreateDir("/usr/local/lib", 0755),
CreateFile("/usr/local/lib/libnothing.so", []byte{0x00, 0x00}, 0755),
CreateDir("/usr/local/lib", 0o755),
CreateFile("/usr/local/lib/libnothing.so", []byte{0x00, 0x00}, 0o755),
Symlink("libnothing.so", "/usr/local/lib/libnothing.so.2"),
CreateDir("/home", 0755),
CreateDir("/home/derek", 0700),
CreateDir("/home", 0o755),
CreateDir("/home/derek", 0o700),
// TODO: CreateSocket: how should Sockets be handled in continuity?
)
@ -96,10 +96,10 @@ var (
basicTest = []Applier{
baseApplier,
Apply(
CreateFile("/etc/hosts", []byte("127.0.0.1 localhost.localdomain"), 0644),
CreateFile("/etc/fstab", []byte("/dev/sda1\t/\text4\tdefaults 1 1\n"), 0600),
CreateFile("/etc/badfile", []byte(""), 0666),
CreateFile("/home/derek/.zshrc", []byte("#ZSH is just better\n"), 0640),
CreateFile("/etc/hosts", []byte("127.0.0.1 localhost.localdomain"), 0o644),
CreateFile("/etc/fstab", []byte("/dev/sda1\t/\text4\tdefaults 1 1\n"), 0o600),
CreateFile("/etc/badfile", []byte(""), 0o666),
CreateFile("/home/derek/.zshrc", []byte("#ZSH is just better\n"), 0o640),
),
Apply(
Remove("/etc/badfile"),
@ -111,8 +111,8 @@ var (
),
Apply(
RemoveAll("/home"),
CreateDir("/home/derek", 0700),
CreateFile("/home/derek/.bashrc", []byte("#not going away\n"), 0640),
CreateDir("/home/derek", 0o700),
CreateFile("/home/derek/.bashrc", []byte("#not going away\n"), 0o640),
Link("/etc/hosts", "/etc/hosts.allow"),
),
}
@ -121,58 +121,58 @@ var (
// deletions are properly picked up and applied
deletionTest = []Applier{
Apply(
CreateDir("/test/somedir", 0755),
CreateDir("/lib", 0700),
CreateFile("/lib/hidden", []byte{}, 0644),
CreateDir("/test/somedir", 0o755),
CreateDir("/lib", 0o700),
CreateFile("/lib/hidden", []byte{}, 0o644),
),
Apply(
CreateFile("/test/a", []byte{}, 0644),
CreateFile("/test/b", []byte{}, 0644),
CreateDir("/test/otherdir", 0755),
CreateFile("/test/otherdir/.empty", []byte{}, 0644),
CreateFile("/test/a", []byte{}, 0o644),
CreateFile("/test/b", []byte{}, 0o644),
CreateDir("/test/otherdir", 0o755),
CreateFile("/test/otherdir/.empty", []byte{}, 0o644),
RemoveAll("/lib"),
CreateDir("/lib", 0700),
CreateFile("/lib/not-hidden", []byte{}, 0644),
CreateDir("/lib", 0o700),
CreateFile("/lib/not-hidden", []byte{}, 0o644),
),
Apply(
Remove("/test/a"),
Remove("/test/b"),
RemoveAll("/test/otherdir"),
CreateFile("/lib/newfile", []byte{}, 0644),
CreateFile("/lib/newfile", []byte{}, 0o644),
),
}
// updateTest covers file updates for content and permission
updateTest = []Applier{
Apply(
CreateDir("/d1", 0755),
CreateDir("/d2", 0700),
CreateFile("/d1/f1", []byte("something..."), 0644),
CreateFile("/d1/f2", []byte("else..."), 0644),
CreateFile("/d1/f3", []byte("entirely..."), 0644),
CreateDir("/d1", 0o755),
CreateDir("/d2", 0o700),
CreateFile("/d1/f1", []byte("something..."), 0o644),
CreateFile("/d1/f2", []byte("else..."), 0o644),
CreateFile("/d1/f3", []byte("entirely..."), 0o644),
),
Apply(
CreateFile("/d1/f1", []byte("file content of a different length"), 0664),
CreateFile("/d1/f1", []byte("file content of a different length"), 0o664),
Remove("/d1/f3"),
CreateFile("/d1/f3", []byte("updated content"), 0664),
Chmod("/d1/f2", 0766),
Chmod("/d2", 0777),
CreateFile("/d1/f3", []byte("updated content"), 0o664),
Chmod("/d1/f2", 0o766),
Chmod("/d2", 0o777),
),
}
// directoryPermissionsTest covers directory permissions on update
directoryPermissionsTest = []Applier{
Apply(
CreateDir("/d1", 0700),
CreateDir("/d2", 0751),
CreateDir("/d3", 0777),
CreateDir("/d1", 0o700),
CreateDir("/d2", 0o751),
CreateDir("/d3", 0o777),
),
Apply(
CreateFile("/d1/f", []byte("irrelevant"), 0644),
CreateDir("/d1/d", 0700),
CreateFile("/d1/d/f", []byte("irrelevant"), 0644),
CreateFile("/d2/f", []byte("irrelevant"), 0644),
CreateFile("/d3/f", []byte("irrelevant"), 0644),
CreateFile("/d1/f", []byte("irrelevant"), 0o644),
CreateDir("/d1/d", 0o700),
CreateFile("/d1/d/f", []byte("irrelevant"), 0o644),
CreateFile("/d2/f", []byte("irrelevant"), 0o644),
CreateFile("/d3/f", []byte("irrelevant"), 0o644),
),
}
@ -180,28 +180,28 @@ var (
// files
parentDirectoryPermissionsTest = []Applier{
Apply(
CreateDir("/d1", 0700),
CreateDir("/d1/a", 0700),
CreateDir("/d1/a/b", 0700),
CreateDir("/d1/a/b/c", 0700),
CreateFile("/d1/a/b/f", []byte("content1"), 0644),
CreateDir("/d2", 0751),
CreateDir("/d2/a/b", 0751),
CreateDir("/d2/a/b/c", 0751),
CreateFile("/d2/a/b/f", []byte("content1"), 0644),
CreateDir("/d1", 0o700),
CreateDir("/d1/a", 0o700),
CreateDir("/d1/a/b", 0o700),
CreateDir("/d1/a/b/c", 0o700),
CreateFile("/d1/a/b/f", []byte("content1"), 0o644),
CreateDir("/d2", 0o751),
CreateDir("/d2/a/b", 0o751),
CreateDir("/d2/a/b/c", 0o751),
CreateFile("/d2/a/b/f", []byte("content1"), 0o644),
),
Apply(
CreateFile("/d1/a/b/f", []byte("content1"), 0644),
Chmod("/d1/a/b/c", 0700),
CreateFile("/d2/a/b/f", []byte("content2"), 0644),
Chmod("/d2/a/b/c", 0751),
CreateFile("/d1/a/b/f", []byte("content1"), 0o644),
Chmod("/d1/a/b/c", 0o700),
CreateFile("/d2/a/b/f", []byte("content2"), 0o644),
Chmod("/d2/a/b/c", 0o751),
),
}
hardlinkUnmodified = []Applier{
baseApplier,
Apply(
CreateFile("/etc/hosts", []byte("127.0.0.1 localhost.localdomain"), 0644),
CreateFile("/etc/hosts", []byte("127.0.0.1 localhost.localdomain"), 0o644),
),
Apply(
Link("/etc/hosts", "/etc/hosts.deny"),
@ -213,7 +213,7 @@ var (
hardlinkBeforeUnmodified = []Applier{
baseApplier,
Apply(
CreateFile("/etc/hosts", []byte("127.0.0.1 localhost.localdomain"), 0644),
CreateFile("/etc/hosts", []byte("127.0.0.1 localhost.localdomain"), 0o644),
),
Apply(
Link("/etc/hosts", "/etc/before-hosts"),
@ -225,11 +225,11 @@ var (
hardlinkBeforeModified = []Applier{
baseApplier,
Apply(
CreateFile("/etc/hosts", []byte("127.0.0.1 localhost.localdomain"), 0644),
CreateFile("/etc/hosts", []byte("127.0.0.1 localhost.localdomain"), 0o644),
),
Apply(
Remove("/etc/hosts"),
CreateFile("/etc/hosts", []byte("127.0.0.1 localhost"), 0644),
CreateFile("/etc/hosts", []byte("127.0.0.1 localhost"), 0o644),
Link("/etc/hosts", "/etc/before-hosts"),
),
}

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@ -25,9 +25,7 @@ import (
"path/filepath"
)
var (
errTooManyLinks = errors.New("too many links")
)
var errTooManyLinks = errors.New("too many links")
type currentPath struct {
path string

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@ -21,9 +21,7 @@ import (
"os"
)
var (
errNotAHardLink = fmt.Errorf("invalid hardlink")
)
var errNotAHardLink = fmt.Errorf("invalid hardlink")
type hardlinkManager struct {
hardlinks map[hardlinkKey][]Resource

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@ -37,26 +37,32 @@ func atomicWriteFile(filename string, r io.Reader, dataSize int64, perm os.FileM
if err != nil {
return err
}
needClose := true
defer func() {
if needClose {
f.Close()
}
}()
err = os.Chmod(f.Name(), perm)
if err != nil {
f.Close()
return err
}
n, err := io.Copy(f, r)
if err == nil && n < dataSize {
f.Close()
return io.ErrShortWrite
}
if err != nil {
f.Close()
return err
}
if err := f.Sync(); err != nil {
f.Close()
if err = f.Sync(); err != nil {
return err
}
needClose = false
if err := f.Close(); err != nil {
return err
}
return os.Rename(f.Name(), filename)
}

View File

@ -1,7 +1,5 @@
linters:
enable:
- structcheck
- varcheck
- staticcheck
- unconvert
- gofmt

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@ -151,7 +151,7 @@ install-protobuild:
coverage: ## generate coverprofiles from the unit tests, except tests that require root
@echo "$(WHALE) $@"
@rm -f coverage.txt
@$(GO) test -i ${TESTFLAGS} ${TESTPACKAGES} 2> /dev/null
@$(GO) test ${TESTFLAGS} ${TESTPACKAGES} 2> /dev/null
@( for pkg in ${PACKAGES}; do \
$(GO) test ${TESTFLAGS} \
-cover \

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@ -214,60 +214,66 @@ func (cs *clientStream) RecvMsg(m interface{}) error {
if cs.remoteClosed {
return io.EOF
}
var msg *streamMessage
select {
case <-cs.ctx.Done():
return cs.ctx.Err()
case msg, ok := <-cs.s.recv:
if !ok {
case <-cs.s.recvClose:
// If recv has a pending message, process that first
select {
case msg = <-cs.s.recv:
default:
return cs.s.recvErr
}
case msg = <-cs.s.recv:
}
if msg.header.Type == messageTypeResponse {
resp := &Response{}
err := proto.Unmarshal(msg.payload[:msg.header.Length], resp)
// return the payload buffer for reuse
cs.c.channel.putmbuf(msg.payload)
if err != nil {
return err
}
if msg.header.Type == messageTypeResponse {
resp := &Response{}
err := proto.Unmarshal(msg.payload[:msg.header.Length], resp)
// return the payload buffer for reuse
cs.c.channel.putmbuf(msg.payload)
if err != nil {
return err
}
if err := cs.c.codec.Unmarshal(resp.Payload, m); err != nil {
return err
}
if err := cs.c.codec.Unmarshal(resp.Payload, m); err != nil {
return err
}
if resp.Status != nil && resp.Status.Code != int32(codes.OK) {
return status.ErrorProto(resp.Status)
}
if resp.Status != nil && resp.Status.Code != int32(codes.OK) {
return status.ErrorProto(resp.Status)
}
cs.c.deleteStream(cs.s)
cs.remoteClosed = true
return nil
} else if msg.header.Type == messageTypeData {
if !cs.desc.StreamingServer {
cs.c.deleteStream(cs.s)
cs.remoteClosed = true
return fmt.Errorf("received data from non-streaming server: %w", ErrProtocol)
}
if msg.header.Flags&flagRemoteClosed == flagRemoteClosed {
cs.c.deleteStream(cs.s)
cs.remoteClosed = true
return nil
} else if msg.header.Type == messageTypeData {
if !cs.desc.StreamingServer {
cs.c.deleteStream(cs.s)
cs.remoteClosed = true
return fmt.Errorf("received data from non-streaming server: %w", ErrProtocol)
if msg.header.Flags&flagNoData == flagNoData {
return io.EOF
}
if msg.header.Flags&flagRemoteClosed == flagRemoteClosed {
cs.c.deleteStream(cs.s)
cs.remoteClosed = true
if msg.header.Flags&flagNoData == flagNoData {
return io.EOF
}
}
err := cs.c.codec.Unmarshal(msg.payload[:msg.header.Length], m)
cs.c.channel.putmbuf(msg.payload)
if err != nil {
return err
}
return nil
}
return fmt.Errorf("unexpected %q message received: %w", msg.header.Type, ErrProtocol)
err := cs.c.codec.Unmarshal(msg.payload[:msg.header.Length], m)
cs.c.channel.putmbuf(msg.payload)
if err != nil {
return err
}
return nil
}
return fmt.Errorf("unexpected %q message received: %w", msg.header.Type, ErrProtocol)
}
// Close closes the ttrpc connection and underlying connection
@ -477,25 +483,30 @@ func (c *Client) dispatch(ctx context.Context, req *Request, resp *Response) err
}
defer c.deleteStream(s)
var msg *streamMessage
select {
case <-ctx.Done():
return ctx.Err()
case <-c.ctx.Done():
return ErrClosed
case msg, ok := <-s.recv:
if !ok {
case <-s.recvClose:
// If recv has a pending message, process that first
select {
case msg = <-s.recv:
default:
return s.recvErr
}
if msg.header.Type == messageTypeResponse {
err = proto.Unmarshal(msg.payload[:msg.header.Length], resp)
} else {
err = fmt.Errorf("unexpected %q message received: %w", msg.header.Type, ErrProtocol)
}
// return the payload buffer for reuse
c.channel.putmbuf(msg.payload)
return err
case msg = <-s.recv:
}
if msg.header.Type == messageTypeResponse {
err = proto.Unmarshal(msg.payload[:msg.header.Length], resp)
} else {
err = fmt.Errorf("unexpected %q message received: %w", msg.header.Type, ErrProtocol)
}
// return the payload buffer for reuse
c.channel.putmbuf(msg.payload)
return err
}

View File

@ -547,7 +547,7 @@ func (c *serverConn) run(sctx context.Context) {
// branch. Basically, it means that we are no longer receiving
// requests due to a terminal error.
recvErr = nil // connection is now "closing"
if err == io.EOF || err == io.ErrUnexpectedEOF || errors.Is(err, syscall.ECONNRESET) {
if errors.Is(err, io.EOF) || errors.Is(err, io.ErrUnexpectedEOF) || errors.Is(err, syscall.ECONNRESET) {
// The client went away and we should stop processing
// requests, so that the client connection is closed
return

View File

@ -35,27 +35,26 @@ type stream struct {
closeOnce sync.Once
recvErr error
recvClose chan struct{}
}
func newStream(id streamID, send sender) *stream {
return &stream{
id: id,
sender: send,
recv: make(chan *streamMessage, 1),
id: id,
sender: send,
recv: make(chan *streamMessage, 1),
recvClose: make(chan struct{}),
}
}
func (s *stream) closeWithError(err error) error {
s.closeOnce.Do(func() {
if s.recv != nil {
close(s.recv)
if err != nil {
s.recvErr = err
} else {
s.recvErr = ErrClosed
}
if err != nil {
s.recvErr = err
} else {
s.recvErr = ErrClosed
}
close(s.recvClose)
})
return nil
}
@ -65,10 +64,14 @@ func (s *stream) send(mt messageType, flags uint8, b []byte) error {
}
func (s *stream) receive(ctx context.Context, msg *streamMessage) error {
if s.recvErr != nil {
select {
case <-s.recvClose:
return s.recvErr
default:
}
select {
case <-s.recvClose:
return s.recvErr
case s.recv <- msg:
return nil
case <-ctx.Done():

View File

@ -194,10 +194,6 @@ func UnmarshalToByTypeURL(typeURL string, value []byte, out interface{}) error {
}
func unmarshal(typeURL string, value []byte, v interface{}) (interface{}, error) {
if value == nil {
return nil, nil
}
t, err := getTypeByUrl(typeURL)
if err != nil {
return nil, err

View File

@ -70,7 +70,7 @@ func NewDefinitionOp(def *pb.Definition) (*DefinitionOp, error) {
state := NewState(op)
st = &state
}
sourceMaps[i] = NewSourceMap(st, info.Filename, info.Data)
sourceMaps[i] = NewSourceMap(st, info.Filename, info.Language, info.Data)
}
for dgst, locs := range def.Source.Locations {

View File

@ -106,5 +106,5 @@ func Diff(lower, upper State, opts ...ConstraintsOpt) State {
for _, o := range opts {
o.SetConstraintsOption(&c)
}
return NewState(NewDiff(lower, upper, c).Output())
return lower.WithOutput(NewDiff(lower, upper, c).Output())
}

View File

@ -724,6 +724,7 @@ func (f *FileOp) Marshal(ctx context.Context, c *Constraints) (digest.Digest, []
}
pop, md := MarshalConstraints(c, &f.constraints)
pop.Platform = nil // file op is not platform specific
pop.Op = &pb.Op_File{
File: pfo,
}

View File

@ -117,5 +117,5 @@ func Merge(inputs []State, opts ...ConstraintsOpt) State {
o.SetConstraintsOption(&c)
}
addCap(&c, pb.CapMergeOp)
return NewState(NewMerge(filteredInputs, c).Output())
return filteredInputs[0].WithOutput(NewMerge(filteredInputs, c).Output())
}

View File

@ -21,13 +21,16 @@ type SourceMap struct {
State *State
Definition *Definition
Filename string
Data []byte
// Language should use names defined in https://github.com/github/linguist/blob/v7.24.1/lib/linguist/languages.yml
Language string
Data []byte
}
func NewSourceMap(st *State, filename string, dt []byte) *SourceMap {
func NewSourceMap(st *State, filename string, lang string, dt []byte) *SourceMap {
return &SourceMap{
State: st,
Filename: filename,
Language: lang,
Data: dt,
}
}
@ -92,6 +95,7 @@ func (smc *sourceMapCollector) Marshal(ctx context.Context, co ...ConstraintsOpt
info := &pb.SourceInfo{
Data: m.Data,
Filename: m.Filename,
Language: m.Language,
}
if def != nil {

View File

@ -294,7 +294,7 @@ func (bc *Client) buildContext(ctx context.Context) (*buildContext, error) {
return bctx.(*buildContext), nil
}
func (bc *Client) ReadEntrypoint(ctx context.Context, opts ...llb.LocalOption) (*Source, error) {
func (bc *Client) ReadEntrypoint(ctx context.Context, lang string, opts ...llb.LocalOption) (*Source, error) {
bctx, err := bc.buildContext(ctx)
if err != nil {
return nil, err
@ -369,7 +369,7 @@ func (bc *Client) ReadEntrypoint(ctx context.Context, opts ...llb.LocalOption) (
return nil, errors.Wrapf(err, "failed to read dockerfile")
}
}
smap := llb.NewSourceMap(src, bctx.filename, dt)
smap := llb.NewSourceMap(src, bctx.filename, lang, dt)
smap.Definition = def
dt, err = ref.ReadFile(ctx, client.ReadRequest{
@ -389,6 +389,7 @@ func (bc *Client) ReadEntrypoint(ctx context.Context, opts ...llb.LocalOption) (
opts.SourceInfo = &pb.SourceInfo{
Data: smap.Data,
Filename: smap.Filename,
Language: smap.Language,
Definition: smap.Definition.ToPB(),
}
}

View File

@ -1443,6 +1443,7 @@ type SourceInfo struct {
Filename string `protobuf:"bytes,1,opt,name=filename,proto3" json:"filename,omitempty"`
Data []byte `protobuf:"bytes,2,opt,name=data,proto3" json:"data,omitempty"`
Definition *Definition `protobuf:"bytes,3,opt,name=definition,proto3" json:"definition,omitempty"`
Language string `protobuf:"bytes,4,opt,name=language,proto3" json:"language,omitempty"`
}
func (m *SourceInfo) Reset() { *m = SourceInfo{} }
@ -1495,6 +1496,13 @@ func (m *SourceInfo) GetDefinition() *Definition {
return nil
}
func (m *SourceInfo) GetLanguage() string {
if m != nil {
return m.Language
}
return ""
}
// Location defines list of areas in to source file
type Location struct {
SourceIndex int32 `protobuf:"varint,1,opt,name=sourceIndex,proto3" json:"sourceIndex,omitempty"`
@ -2842,168 +2850,169 @@ func init() {
func init() { proto.RegisterFile("ops.proto", fileDescriptor_8de16154b2733812) }
var fileDescriptor_8de16154b2733812 = []byte{
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0x36, 0xf6, 0xe7, 0x50, 0xd5, 0xaf, 0xd8, 0x38, 0xc6, 0x43, 0x0b, 0xcc, 0x1e, 0x30, 0xdd, 0xe4,
0xe6, 0x4d, 0xe2, 0x1a, 0x80, 0xc8, 0x29, 0xce, 0x67, 0x36, 0x97, 0x90, 0xf3, 0x06, 0x70, 0x0d,
0xd8, 0xdc, 0x80, 0x9a, 0x79, 0x30, 0x65, 0x0d, 0xa8, 0x3c, 0x3e, 0x1c, 0xf6, 0x1e, 0xb5, 0x97,
0x58, 0x1d, 0xca, 0x07, 0x83, 0xe1, 0xa3, 0x76, 0x01, 0xa9, 0xc3, 0xc1, 0x61, 0xaf, 0x5d, 0xdc,
0xbc, 0x09, 0xcb, 0xf9, 0x27, 0x53, 0xd6, 0x84, 0xda, 0x70, 0xf7, 0xb0, 0xbb, 0x37, 0xf8, 0x59,
0x7b, 0x89, 0x2d, 0x43, 0xbd, 0x7f, 0x38, 0xec, 0xed, 0x3f, 0xe6, 0xbd, 0x76, 0x61, 0xf3, 0xa7,
0xd0, 0x48, 0x5f, 0x91, 0x50, 0xc3, 0x5e, 0xff, 0xb0, 0xdb, 0x5e, 0x62, 0x00, 0xd5, 0x61, 0x6f,
0x9f, 0xf7, 0x50, 0x6f, 0x0d, 0x4a, 0xc3, 0xe1, 0x41, 0xbb, 0x88, 0xb3, 0xee, 0xef, 0xee, 0x1f,
0xf4, 0xda, 0x25, 0x24, 0x1f, 0x3d, 0x3c, 0xba, 0x3f, 0x6c, 0x97, 0x37, 0x3f, 0x82, 0x2b, 0x0b,
0xef, 0x2b, 0x34, 0xfa, 0x60, 0x97, 0xf7, 0x50, 0x53, 0x13, 0x6a, 0x47, 0xbc, 0xff, 0x64, 0xf7,
0x51, 0xaf, 0x5d, 0x40, 0xc1, 0xe7, 0x83, 0xfd, 0x07, 0xbd, 0x6e, 0xbb, 0xb8, 0x77, 0xfd, 0xab,
0xe7, 0x6b, 0x85, 0x6f, 0x9e, 0xaf, 0x15, 0xbe, 0x7d, 0xbe, 0x56, 0xf8, 0xfb, 0xf3, 0xb5, 0xc2,
0x97, 0xdf, 0xaf, 0x2d, 0x7d, 0xf3, 0xfd, 0xda, 0xd2, 0xb7, 0xdf, 0xaf, 0x2d, 0x1d, 0x57, 0xe9,
0x7f, 0x90, 0x0f, 0xff, 0x1d, 0x00, 0x00, 0xff, 0xff, 0xd5, 0x3c, 0x38, 0x7a, 0x47, 0x19, 0x00,
0x00,
}
func (m *Op) Marshal() (dAtA []byte, err error) {
@ -4323,6 +4332,13 @@ func (m *SourceInfo) MarshalToSizedBuffer(dAtA []byte) (int, error) {
_ = i
var l int
_ = l
if len(m.Language) > 0 {
i -= len(m.Language)
copy(dAtA[i:], m.Language)
i = encodeVarintOps(dAtA, i, uint64(len(m.Language)))
i--
dAtA[i] = 0x22
}
if m.Definition != nil {
{
size, err := m.Definition.MarshalToSizedBuffer(dAtA[:i])
@ -6097,6 +6113,10 @@ func (m *SourceInfo) Size() (n int) {
l = m.Definition.Size()
n += 1 + l + sovOps(uint64(l))
}
l = len(m.Language)
if l > 0 {
n += 1 + l + sovOps(uint64(l))
}
return n
}
@ -10512,6 +10532,38 @@ func (m *SourceInfo) Unmarshal(dAtA []byte) error {
return err
}
iNdEx = postIndex
case 4:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Language", wireType)
}
var stringLen uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowOps
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
stringLen |= uint64(b&0x7F) << shift
if b < 0x80 {
break
}
}
intStringLen := int(stringLen)
if intStringLen < 0 {
return ErrInvalidLengthOps
}
postIndex := iNdEx + intStringLen
if postIndex < 0 {
return ErrInvalidLengthOps
}
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.Language = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
default:
iNdEx = preIndex
skippy, err := skipOps(dAtA[iNdEx:])

View File

@ -228,6 +228,7 @@ message SourceInfo {
string filename = 1;
bytes data = 2;
Definition definition = 3;
string language = 4;
}
// Location defines list of areas in to source file

View File

@ -70,3 +70,7 @@ type LazyStackTrace struct{}
func (LazyStackTrace) String() string {
return string(debug.Stack())
}
func (LazyStackTrace) MarshalText() ([]byte, error) {
return debug.Stack(), nil
}

View File

@ -35,41 +35,49 @@ func MakeTemporary(l *leases.Lease) error {
return nil
}
func WithNamespace(lm leases.Manager, ns string) leases.Manager {
return &nsLM{manager: lm, ns: ns}
func WithNamespace(lm leases.Manager, ns string) *Manager {
return &Manager{manager: lm, ns: ns}
}
type nsLM struct {
type Manager struct {
manager leases.Manager
ns string
}
func (l *nsLM) Create(ctx context.Context, opts ...leases.Opt) (leases.Lease, error) {
func (l *Manager) Namespace() string {
return l.ns
}
func (l *Manager) WithNamespace(ns string) *Manager {
return WithNamespace(l.manager, ns)
}
func (l *Manager) Create(ctx context.Context, opts ...leases.Opt) (leases.Lease, error) {
ctx = namespaces.WithNamespace(ctx, l.ns)
return l.manager.Create(ctx, opts...)
}
func (l *nsLM) Delete(ctx context.Context, lease leases.Lease, opts ...leases.DeleteOpt) error {
func (l *Manager) Delete(ctx context.Context, lease leases.Lease, opts ...leases.DeleteOpt) error {
ctx = namespaces.WithNamespace(ctx, l.ns)
return l.manager.Delete(ctx, lease, opts...)
}
func (l *nsLM) List(ctx context.Context, filters ...string) ([]leases.Lease, error) {
func (l *Manager) List(ctx context.Context, filters ...string) ([]leases.Lease, error) {
ctx = namespaces.WithNamespace(ctx, l.ns)
return l.manager.List(ctx, filters...)
}
func (l *nsLM) AddResource(ctx context.Context, lease leases.Lease, resource leases.Resource) error {
func (l *Manager) AddResource(ctx context.Context, lease leases.Lease, resource leases.Resource) error {
ctx = namespaces.WithNamespace(ctx, l.ns)
return l.manager.AddResource(ctx, lease, resource)
}
func (l *nsLM) DeleteResource(ctx context.Context, lease leases.Lease, resource leases.Resource) error {
func (l *Manager) DeleteResource(ctx context.Context, lease leases.Lease, resource leases.Resource) error {
ctx = namespaces.WithNamespace(ctx, l.ns)
return l.manager.DeleteResource(ctx, lease, resource)
}
func (l *nsLM) ListResources(ctx context.Context, lease leases.Lease) ([]leases.Resource, error) {
func (l *Manager) ListResources(ctx context.Context, lease leases.Lease) ([]leases.Resource, error) {
ctx = namespaces.WithNamespace(ctx, l.ns)
return l.manager.ListResources(ctx, lease)
}

View File

@ -1,4 +1,4 @@
package jaeger
package delegated
import (
"context"

View File

@ -79,12 +79,6 @@ func getExporter() (sdktrace.SpanExporter, error) {
return nil, err
}
if exp != nil {
exp = &threadSafeExporterWrapper{
exporter: exp,
}
}
if Recorder != nil {
Recorder.SpanExporter = exp
exp = Recorder

View File

@ -1,26 +0,0 @@
package detect
import (
"context"
"sync"
sdktrace "go.opentelemetry.io/otel/sdk/trace"
)
// threadSafeExporterWrapper wraps an OpenTelemetry SpanExporter and makes it thread-safe.
type threadSafeExporterWrapper struct {
mu sync.Mutex
exporter sdktrace.SpanExporter
}
func (tse *threadSafeExporterWrapper) ExportSpans(ctx context.Context, spans []sdktrace.ReadOnlySpan) error {
tse.mu.Lock()
defer tse.mu.Unlock()
return tse.exporter.ExportSpans(ctx, spans)
}
func (tse *threadSafeExporterWrapper) Shutdown(ctx context.Context) error {
tse.mu.Lock()
defer tse.mu.Unlock()
return tse.exporter.Shutdown(ctx)
}

View File

@ -205,7 +205,8 @@ func (dw *DiskWriter) HandleChange(kind ChangeKind, p string, fi os.FileInfo, er
return errors.Wrapf(err, "failed to remove %s", destPath)
}
}
if err := os.Rename(newPath, destPath); err != nil {
if err := renameFile(newPath, destPath); err != nil {
return errors.Wrapf(err, "failed to rename %s to %s", newPath, destPath)
}
}

View File

@ -51,3 +51,10 @@ func handleTarTypeBlockCharFifo(path string, stat *types.Stat) error {
}
return nil
}
func renameFile(src, dst string) error {
if err := os.Rename(src, dst); err != nil {
return errors.Wrapf(err, "failed to rename %s to %s", src, dst)
}
return nil
}

View File

@ -1,8 +1,15 @@
//go:build windows
// +build windows
package fsutil
import (
"fmt"
iofs "io/fs"
"os"
"syscall"
"github.com/Microsoft/go-winio"
"github.com/pkg/errors"
"github.com/tonistiigi/fsutil/types"
)
@ -16,3 +23,75 @@ func rewriteMetadata(p string, stat *types.Stat) error {
func handleTarTypeBlockCharFifo(path string, stat *types.Stat) error {
return errors.New("Not implemented on windows")
}
func getFileHandle(path string, info iofs.FileInfo) (syscall.Handle, error) {
p, err := syscall.UTF16PtrFromString(path)
if err != nil {
return 0, errors.Wrap(err, "converting string to UTF-16")
}
attrs := uint32(syscall.FILE_FLAG_BACKUP_SEMANTICS)
if info.Mode()&os.ModeSymlink != 0 {
// Use FILE_FLAG_OPEN_REPARSE_POINT, otherwise CreateFile will follow symlink.
// See https://docs.microsoft.com/en-us/windows/desktop/FileIO/symbolic-link-effects-on-file-systems-functions#createfile-and-createfiletransacted
attrs |= syscall.FILE_FLAG_OPEN_REPARSE_POINT
}
h, err := syscall.CreateFile(p, 0, 0, nil, syscall.OPEN_EXISTING, attrs, 0)
if err != nil {
return 0, errors.Wrap(err, "getting file handle")
}
return h, nil
}
func readlink(path string, info iofs.FileInfo) ([]byte, error) {
h, err := getFileHandle(path, info)
if err != nil {
return nil, errors.Wrap(err, "getting file handle")
}
defer syscall.CloseHandle(h)
rdbbuf := make([]byte, syscall.MAXIMUM_REPARSE_DATA_BUFFER_SIZE)
var bytesReturned uint32
err = syscall.DeviceIoControl(h, syscall.FSCTL_GET_REPARSE_POINT, nil, 0, &rdbbuf[0], uint32(len(rdbbuf)), &bytesReturned, nil)
if err != nil {
return nil, errors.Wrap(err, "sending I/O control command")
}
return rdbbuf[:bytesReturned], nil
}
func getReparsePoint(path string, info iofs.FileInfo) (*winio.ReparsePoint, error) {
target, err := readlink(path, info)
if err != nil {
return nil, errors.Wrap(err, "fetching link")
}
rp, err := winio.DecodeReparsePoint(target)
if err != nil {
return nil, errors.Wrap(err, "decoding reparse point")
}
return rp, nil
}
func renameFile(src, dst string) error {
info, err := os.Lstat(dst)
if err != nil {
if !os.IsNotExist(err) {
return errors.Wrap(err, "getting file info")
}
}
if info != nil && info.Mode()&os.ModeSymlink != 0 {
dstInfoRp, err := getReparsePoint(dst, info)
if err != nil {
return errors.Wrap(err, "getting reparse point")
}
if dstInfoRp.IsMountPoint {
return fmt.Errorf("%s is a mount point", dst)
}
if err := os.Remove(dst); err != nil {
return errors.Wrapf(err, "removing %s", dst)
}
}
if err := os.Rename(src, dst); err != nil {
return errors.Wrapf(err, "failed to rename %s to %s", src, dst)
}
return nil
}

View File

@ -19,7 +19,7 @@ func FollowLinks(root string, paths []string) ([]string, error) {
}
res := make([]string, 0, len(r.resolved))
for r := range r.resolved {
res = append(res, r)
res = append(res, filepath.ToSlash(r))
}
sort.Strings(res)
return dedupePaths(res), nil
@ -31,6 +31,12 @@ type symlinkResolver struct {
}
func (r *symlinkResolver) append(p string) error {
if runtime.GOOS == "windows" && filepath.IsAbs(filepath.FromSlash(p)) {
absParts := strings.SplitN(p, ":", 2)
if len(absParts) == 2 {
p = absParts[1]
}
}
p = filepath.Join(".", p)
current := "."
for {
@ -41,7 +47,6 @@ func (r *symlinkResolver) append(p string) error {
if err != nil {
return err
}
p = ""
if len(parts) == 2 {
p = parts[1]
@ -76,7 +81,7 @@ func (r *symlinkResolver) readSymlink(p string, allowWildcard bool) ([]string, e
if allowWildcard && containsWildcards(base) {
fis, err := os.ReadDir(filepath.Dir(realPath))
if err != nil {
if errors.Is(err, os.ErrNotExist) {
if isNotFound(err) {
return nil, nil
}
return nil, errors.Wrap(err, "readdir")
@ -96,7 +101,7 @@ func (r *symlinkResolver) readSymlink(p string, allowWildcard bool) ([]string, e
fi, err := os.Lstat(realPath)
if err != nil {
if errors.Is(err, os.ErrNotExist) {
if isNotFound(err) {
return nil, nil
}
return nil, errors.WithStack(err)
@ -139,7 +144,7 @@ func dedupePaths(in []string) []string {
if s == "." {
return nil
}
if strings.HasPrefix(s, last+string(filepath.Separator)) {
if strings.HasPrefix(s, last+"/") {
continue
}
out = append(out, s)

View File

@ -0,0 +1,14 @@
//go:build !windows
// +build !windows
package fsutil
import (
"os"
"github.com/pkg/errors"
)
func isNotFound(err error) bool {
return errors.Is(err, os.ErrNotExist)
}

View File

@ -0,0 +1,15 @@
package fsutil
import (
"os"
"github.com/pkg/errors"
"golang.org/x/sys/windows"
)
func isNotFound(err error) bool {
if errors.Is(err, os.ErrNotExist) || errors.Is(err, windows.ERROR_INVALID_NAME) {
return true
}
return false
}