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87 lines
2.1 KiB
Go
87 lines
2.1 KiB
Go
// +build darwin
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package xattr
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import (
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"os"
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"syscall"
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"golang.org/x/sys/unix"
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)
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// See https://opensource.apple.com/source/xnu/xnu-1504.15.3/bsd/sys/xattr.h.auto.html
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const (
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XATTR_NOFOLLOW = 0x0001
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XATTR_CREATE = 0x0002
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XATTR_REPLACE = 0x0004
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XATTR_NOSECURITY = 0x0008
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XATTR_NODEFAULT = 0x0010
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XATTR_SHOWCOMPRESSION = 0x0020
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// ENOATTR is not exported by the syscall package on Linux, because it is
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// an alias for ENODATA. We export it here so it is available on all
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// our supported platforms.
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ENOATTR = syscall.ENOATTR
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)
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func getxattr(path string, name string, data []byte) (int, error) {
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return unix.Getxattr(path, name, data)
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}
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func lgetxattr(path string, name string, data []byte) (int, error) {
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return unix.Lgetxattr(path, name, data)
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}
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func fgetxattr(f *os.File, name string, data []byte) (int, error) {
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return getxattr(f.Name(), name, data)
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}
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func setxattr(path string, name string, data []byte, flags int) error {
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return unix.Setxattr(path, name, data, flags)
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}
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func lsetxattr(path string, name string, data []byte, flags int) error {
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return unix.Lsetxattr(path, name, data, flags)
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}
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func fsetxattr(f *os.File, name string, data []byte, flags int) error {
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return setxattr(f.Name(), name, data, flags)
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}
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func removexattr(path string, name string) error {
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return unix.Removexattr(path, name)
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}
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func lremovexattr(path string, name string) error {
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return unix.Lremovexattr(path, name)
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}
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func fremovexattr(f *os.File, name string) error {
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return removexattr(f.Name(), name)
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}
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func listxattr(path string, data []byte) (int, error) {
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return unix.Listxattr(path, data)
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}
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func llistxattr(path string, data []byte) (int, error) {
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return unix.Llistxattr(path, data)
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}
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func flistxattr(f *os.File, data []byte) (int, error) {
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return listxattr(f.Name(), data)
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}
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// stringsFromByteSlice converts a sequence of attributes to a []string.
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// On Darwin and Linux, each entry is a NULL-terminated string.
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func stringsFromByteSlice(buf []byte) (result []string) {
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offset := 0
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for index, b := range buf {
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if b == 0 {
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result = append(result, string(buf[offset:index]))
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offset = index + 1
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}
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}
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return
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}
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