--- a/vendor/golang.org/x/sys/unix/xattr_bsd.go Thu Sep 22 16:32:45 2022 +0200
+++ b/vendor/golang.org/x/sys/unix/xattr_bsd.go Thu Sep 22 16:33:34 2022 +0200
@@ -160,13 +160,12 @@
}
func Listxattr(file string, dest []byte) (sz int, err error) {
- d := initxattrdest(dest, 0)
destsiz := len(dest)
// FreeBSD won't allow you to list xattrs from multiple namespaces
- s := 0
+ s, pos := 0, 0
for _, nsid := range [...]int{EXTATTR_NAMESPACE_USER, EXTATTR_NAMESPACE_SYSTEM} {
- stmp, e := ExtattrListFile(file, nsid, uintptr(d), destsiz)
+ stmp, e := ListxattrNS(file, nsid, dest[pos:])
/* Errors accessing system attrs are ignored so that
* we can implement the Linux-like behavior of omitting errors that
@@ -175,67 +174,103 @@
* Linux will still error if we ask for user attributes on a file that
* we don't have read permissions on, so don't ignore those errors
*/
- if e != nil && e == EPERM && nsid != EXTATTR_NAMESPACE_USER {
- continue
- } else if e != nil {
+ if e != nil {
+ if e == EPERM && nsid != EXTATTR_NAMESPACE_USER {
+ continue
+ }
return s, e
}
s += stmp
- destsiz -= s
- if destsiz < 0 {
- destsiz = 0
+ pos = s
+ if pos > destsiz {
+ pos = destsiz
}
- d = initxattrdest(dest, s)
+ }
+
+ return s, nil
+}
+
+func ListxattrNS(file string, nsid int, dest []byte) (sz int, err error) {
+ d := initxattrdest(dest, 0)
+ destsiz := len(dest)
+
+ s, e := ExtattrListFile(file, nsid, uintptr(d), destsiz)
+ if e != nil {
+ return 0, err
}
return s, nil
}
func Flistxattr(fd int, dest []byte) (sz int, err error) {
- d := initxattrdest(dest, 0)
destsiz := len(dest)
- s := 0
+ s, pos := 0, 0
for _, nsid := range [...]int{EXTATTR_NAMESPACE_USER, EXTATTR_NAMESPACE_SYSTEM} {
- stmp, e := ExtattrListFd(fd, nsid, uintptr(d), destsiz)
- if e != nil && e == EPERM && nsid != EXTATTR_NAMESPACE_USER {
- continue
- } else if e != nil {
+ stmp, e := FlistxattrNS(fd, nsid, dest[pos:])
+
+ if e != nil {
+ if e == EPERM && nsid != EXTATTR_NAMESPACE_USER {
+ continue
+ }
return s, e
}
s += stmp
- destsiz -= s
- if destsiz < 0 {
- destsiz = 0
+ pos = s
+ if pos > destsiz {
+ pos = destsiz
}
- d = initxattrdest(dest, s)
+ }
+
+ return s, nil
+}
+
+func FlistxattrNS(fd int, nsid int, dest []byte) (sz int, err error) {
+ d := initxattrdest(dest, 0)
+ destsiz := len(dest)
+
+ s, e := ExtattrListFd(fd, nsid, uintptr(d), destsiz)
+ if e != nil {
+ return 0, err
}
return s, nil
}
func Llistxattr(link string, dest []byte) (sz int, err error) {
- d := initxattrdest(dest, 0)
destsiz := len(dest)
- s := 0
+ s, pos := 0, 0
for _, nsid := range [...]int{EXTATTR_NAMESPACE_USER, EXTATTR_NAMESPACE_SYSTEM} {
- stmp, e := ExtattrListLink(link, nsid, uintptr(d), destsiz)
- if e != nil && e == EPERM && nsid != EXTATTR_NAMESPACE_USER {
- continue
- } else if e != nil {
+ stmp, e := LlistxattrNS(link, nsid, dest[pos:])
+
+ if e != nil {
+ if e == EPERM && nsid != EXTATTR_NAMESPACE_USER {
+ continue
+ }
return s, e
}
s += stmp
- destsiz -= s
- if destsiz < 0 {
- destsiz = 0
+ pos = s
+ if pos > destsiz {
+ pos = destsiz
}
- d = initxattrdest(dest, s)
}
return s, nil
}
+
+func LlistxattrNS(link string, nsid int, dest []byte) (sz int, err error) {
+ d := initxattrdest(dest, 0)
+ destsiz := len(dest)
+
+ s, e := ExtattrListLink(link, nsid, uintptr(d), destsiz)
+ if e != nil {
+ return 0, err
+ }
+
+ return s, nil
+}