Add posix acl (Access Control Lists) support for mksquashfs and
unsquashfs tools.
Signed-off-by: Geliang Tang <geliangt...@gmail.com>
---
squashfs-tools/read_xattrs.c | 2 ++
squashfs-tools/squashfs_fs.h | 12 +++++++-----
squashfs-tools/unsquashfs_xattr.c | 4 +++-
3 files changed, 12 insertions(+), 6 deletions(-)
diff --git a/squashfs-tools/read_xattrs.c b/squashfs-tools/read_xattrs.c
index 42106f5..8ef8291 100644
--- a/squashfs-tools/read_xattrs.c
+++ b/squashfs-tools/read_xattrs.c
@@ -64,6 +64,8 @@ static long long xattr_table_start;
*/
struct prefix prefix_table[] = {
{ "user.", SQUASHFS_XATTR_USER },
+ { "system.", SQUASHFS_XATTR_POSIX_ACL_ACCESS },
+ { "system.", SQUASHFS_XATTR_POSIX_ACL_DEFAULT },
{ "trusted.", SQUASHFS_XATTR_TRUSTED },
{ "security.", SQUASHFS_XATTR_SECURITY },
{ "", -1 }
diff --git a/squashfs-tools/squashfs_fs.h b/squashfs-tools/squashfs_fs.h
index afca918..040035c 100644
--- a/squashfs-tools/squashfs_fs.h
+++ b/squashfs-tools/squashfs_fs.h
@@ -122,11 +122,13 @@
#define SQUASHFS_LSOCKET_TYPE 14
/* Xattr types */
-#define SQUASHFS_XATTR_USER 0
-#define SQUASHFS_XATTR_TRUSTED 1
-#define SQUASHFS_XATTR_SECURITY 2
-#define SQUASHFS_XATTR_VALUE_OOL 256
-#define SQUASHFS_XATTR_PREFIX_MASK 0xff
+#define SQUASHFS_XATTR_USER 0
+#define SQUASHFS_XATTR_POSIX_ACL_ACCESS 1
+#define SQUASHFS_XATTR_POSIX_ACL_DEFAULT 2
+#define SQUASHFS_XATTR_TRUSTED 3
+#define SQUASHFS_XATTR_SECURITY 4
+#define SQUASHFS_XATTR_VALUE_OOL 256
+#define SQUASHFS_XATTR_PREFIX_MASK 0xff
/* Flag whether block is compressed or uncompressed, bit is set if block is
* uncompressed */
diff --git a/squashfs-tools/unsquashfs_xattr.c
b/squashfs-tools/unsquashfs_xattr.c
index 59f4aae..34aae84 100644
--- a/squashfs-tools/unsquashfs_xattr.c
+++ b/squashfs-tools/unsquashfs_xattr.c
@@ -57,7 +57,9 @@ void write_xattr(char *pathname, unsigned int xattr)
if(user_xattrs && prefix != SQUASHFS_XATTR_USER)
continue;
- if(root_process || prefix == SQUASHFS_XATTR_USER) {
+ if(root_process || prefix == SQUASHFS_XATTR_USER
+ || prefix == SQUASHFS_XATTR_POSIX_ACL_ACCESS
+ || prefix == SQUASHFS_XATTR_POSIX_ACL_DEFAULT) {
int res = lsetxattr(pathname, xattr_list[i].full_name,
xattr_list[i].value, xattr_list[i].vsize, 0);
--
2.14.1
--
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