Adds some extended attributes after acls.diff.
[rsync/rsync-patches.git] / adaptec_acl_mods.diff
CommitLineData
af7ee4d8
WD
1Depends-On-Patch: acls.diff
2
3Philip Lowman wrote:
4> Attached is a small patch which is meant to be applied to a copy of
5> rsync which has already been patched with acl support (the acls.diff
6> file in the patches folder). It allows the preservation of the delete,
7> chmod, and chown bits which Adaptec has added to XFS on their SnapOS NAS
8> units. This is nice for backing up files between different NAS units
9> and preserving all of the Samba ACLs.
10>
11> I'm not sure how useful this patch will be because I'm not sure if any
12> other NAS vendors have standardized on their extensions to POSIX ACLs to
13> support Samba in the same manner that Adaptec has. FWIW, though, this
14> will allow you to preserve acls when copying between different Adaptec
15> based NAS units running SnapOS.
16
17I (Wayne) tweaked the patch for style and to avoid using SMB_* constants
18with literal values were needed.
19
20--- old/acls.c
21+++ new/acls.c
22@@ -146,6 +146,9 @@ static BOOL unpack_smb_acl(rsync_acl *ra
23 }
24 race->access = (sys_acl_get_perm(permset, SMB_ACL_READ) ? 4 : 0)
25 | (sys_acl_get_perm(permset, SMB_ACL_WRITE) ? 2 : 0)
26+ | (sys_acl_get_perm(permset, SMB_ACL_DELETE) ? 8 : 0)
27+ | (sys_acl_get_perm(permset, SMB_ACL_CHMOD) ? 16 : 0)
28+ | (sys_acl_get_perm(permset, SMB_ACL_CHOWN) ? 32 : 0)
29 | (sys_acl_get_perm(permset, SMB_ACL_EXECUTE) ? 1 : 0);
30 switch (race->tag_type) {
31 case SMB_ACL_USER:
32@@ -575,6 +578,21 @@ static BOOL pack_smb_acl(SMB_ACL_T *smb_
33 errfun = "sys_acl_add_perm";
34 break;
35 }
36+ if (race->access & 8)
37+ if (sys_acl_add_perm(permset, SMB_ACL_DELETE)) {
38+ errfun = "sys_acl_add_perm";
39+ break;
40+ }
41+ if (race->access & 16)
42+ if (sys_acl_add_perm(permset, SMB_ACL_CHMOD)) {
43+ errfun = "sys_acl_add_perm";
44+ break;
45+ }
46+ if (race->access & 32)
47+ if (sys_acl_add_perm(permset, SMB_ACL_CHOWN)) {
48+ errfun = "sys_acl_add_perm";
49+ break;
50+ }
51 if (sys_acl_set_permset(entry, permset)) {
52 errfun = "sys_acl_set_permset";
53 break;
54@@ -634,7 +652,7 @@ static void receive_rsync_acl(rsync_acl
55 exit_cleanup(RERR_STREAMIO);
56 }
57 race->access = read_byte(f);
58- if (race->access & ~ (4 | 2 | 1)) {
59+ if (race->access & ~(32 | 16 | 8 | 4 | 2 | 1)) {
60 rprintf(FERROR, "receive_rsync_acl: bogus permset %o\n",
61 race->access);
62 exit_cleanup(RERR_STREAMIO);
63--- old/smb_acls.h
64+++ new/smb_acls.h
65@@ -33,6 +33,11 @@
66 #define SMB_ACL_READ ACL_READ
67 #define SMB_ACL_WRITE ACL_WRITE
68 #define SMB_ACL_EXECUTE ACL_EXECUTE
69+/* These are custom ACL bits used by Adaptec's modifications
70+ * to XFS on their SnapOS units. */
71+#define SMB_ACL_DELETE 0x08
72+#define SMB_ACL_CHMOD 0x10
73+#define SMB_ACL_CHOWN 0x20
74
75 /* Types of ACLs. */
76 #define SMB_ACL_USER ACL_USER