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@ -160,13 +160,12 @@ func Lremovexattr(link string, attr string) (err error) {
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}
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func Listxattr(file string, dest []byte) (sz int, err error) {
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d := initxattrdest(dest, 0)
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destsiz := len(dest)
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// FreeBSD won't allow you to list xattrs from multiple namespaces
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s := 0
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s, pos := 0, 0
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for _, nsid := range [...]int{EXTATTR_NAMESPACE_USER, EXTATTR_NAMESPACE_SYSTEM} {
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stmp, e := ExtattrListFile(file, nsid, uintptr(d), destsiz)
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stmp, e := ListxattrNS(file, nsid, dest[pos:])
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/* Errors accessing system attrs are ignored so that
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* we can implement the Linux-like behavior of omitting errors that
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@ -175,66 +174,102 @@ func Listxattr(file string, dest []byte) (sz int, err error) {
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* Linux will still error if we ask for user attributes on a file that
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* we don't have read permissions on, so don't ignore those errors
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*/
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if e != nil && e == EPERM && nsid != EXTATTR_NAMESPACE_USER {
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continue
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} else if e != nil {
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if e != nil {
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if e == EPERM && nsid != EXTATTR_NAMESPACE_USER {
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continue
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}
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return s, e
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}
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s += stmp
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destsiz -= s
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if destsiz < 0 {
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destsiz = 0
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pos = s
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if pos > destsiz {
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pos = destsiz
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}
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d = initxattrdest(dest, s)
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}
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return s, nil
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}
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func Flistxattr(fd int, dest []byte) (sz int, err error) {
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func ListxattrNS(file string, nsid int, dest []byte) (sz int, err error) {
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d := initxattrdest(dest, 0)
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destsiz := len(dest)
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s := 0
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s, e := ExtattrListFile(file, nsid, uintptr(d), destsiz)
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if e != nil {
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return 0, err
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}
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return s, nil
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}
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func Flistxattr(fd int, dest []byte) (sz int, err error) {
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destsiz := len(dest)
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s, pos := 0, 0
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for _, nsid := range [...]int{EXTATTR_NAMESPACE_USER, EXTATTR_NAMESPACE_SYSTEM} {
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stmp, e := ExtattrListFd(fd, nsid, uintptr(d), destsiz)
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if e != nil && e == EPERM && nsid != EXTATTR_NAMESPACE_USER {
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continue
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} else if e != nil {
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stmp, e := FlistxattrNS(fd, nsid, dest[pos:])
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if e != nil {
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if e == EPERM && nsid != EXTATTR_NAMESPACE_USER {
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continue
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}
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return s, e
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}
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s += stmp
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destsiz -= s
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if destsiz < 0 {
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destsiz = 0
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pos = s
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if pos > destsiz {
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pos = destsiz
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}
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d = initxattrdest(dest, s)
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}
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return s, nil
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}
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func Llistxattr(link string, dest []byte) (sz int, err error) {
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func FlistxattrNS(fd int, nsid int, dest []byte) (sz int, err error) {
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d := initxattrdest(dest, 0)
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destsiz := len(dest)
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s := 0
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s, e := ExtattrListFd(fd, nsid, uintptr(d), destsiz)
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if e != nil {
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return 0, err
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}
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return s, nil
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}
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func Llistxattr(link string, dest []byte) (sz int, err error) {
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destsiz := len(dest)
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s, pos := 0, 0
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for _, nsid := range [...]int{EXTATTR_NAMESPACE_USER, EXTATTR_NAMESPACE_SYSTEM} {
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stmp, e := ExtattrListLink(link, nsid, uintptr(d), destsiz)
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if e != nil && e == EPERM && nsid != EXTATTR_NAMESPACE_USER {
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continue
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} else if e != nil {
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stmp, e := LlistxattrNS(link, nsid, dest[pos:])
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if e != nil {
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if e == EPERM && nsid != EXTATTR_NAMESPACE_USER {
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continue
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}
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return s, e
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}
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s += stmp
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destsiz -= s
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if destsiz < 0 {
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destsiz = 0
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pos = s
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if pos > destsiz {
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pos = destsiz
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}
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d = initxattrdest(dest, s)
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}
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return s, nil
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}
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func LlistxattrNS(link string, nsid int, dest []byte) (sz int, err error) {
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d := initxattrdest(dest, 0)
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destsiz := len(dest)
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s, e := ExtattrListLink(link, nsid, uintptr(d), destsiz)
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if e != nil {
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return 0, err
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}
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return s, nil
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