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authorJeremy Allison <jra@samba.org>2011-09-02 13:36:10 -0700
committerJeremy Allison <jra@samba.org>2011-09-02 13:36:10 -0700
commit2a1453e2318af77a79180f3137f8a8d3f1240233 (patch)
treecf138888a756ae1f8e63b11b4c1d3bee6cc904ac /source3
parentc528fc5cacaae7e0e83041eb98150052b436071e (diff)
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Part 4 of bugfix for bug #7509 - smb_acl_to_posix: ACL is invalid for set (Invalid argument)
Be smarter about setting default permissions when a ACL_USER_OBJ isn't given. Use the principle of least surprises for the user.
Diffstat (limited to 'source3')
-rw-r--r--source3/smbd/posix_acls.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/source3/smbd/posix_acls.c b/source3/smbd/posix_acls.c
index 5c9c4b89d4..0be7bec47f 100644
--- a/source3/smbd/posix_acls.c
+++ b/source3/smbd/posix_acls.c
@@ -1409,29 +1409,32 @@ static bool ensure_canon_entry_valid(connection_struct *conn, canon_ace **pp_ace
pace->unix_ug.uid = pst->st_ex_uid;
pace->trustee = *pfile_owner_sid;
pace->attr = ALLOW_ACE;
+ /* Start with existing permissions, principle of least
+ surprises for the user. */
+ pace->perms = pst->st_ex_mode;
if (setting_acl) {
/* See if the owning user is in any of the other groups in
- the ACE. If so, OR in the permissions from that group. */
+ the ACE, or if there's a matching user entry.
+ If so, OR in the permissions from that entry. */
- bool group_matched = False;
canon_ace *pace_iter;
for (pace_iter = *pp_ace; pace_iter; pace_iter = pace_iter->next) {
- if (pace_iter->type == SMB_ACL_GROUP_OBJ || pace_iter->type == SMB_ACL_GROUP) {
+ if (pace_iter->type == SMB_ACL_USER &&
+ pace_iter->unix_ug.uid == pace->unix_ug.uid) {
+ pace->perms |= pace_iter->perms;
+ } else if (pace_iter->type == SMB_ACL_GROUP_OBJ || pace_iter->type == SMB_ACL_GROUP) {
if (uid_entry_in_group(conn, pace, pace_iter)) {
pace->perms |= pace_iter->perms;
- group_matched = True;
}
}
}
- /* If we only got an "everyone" perm, just use that. */
- if (!group_matched) {
+ if (pace->perms == 0) {
+ /* If we only got an "everyone" perm, just use that. */
if (got_other)
pace->perms = pace_other->perms;
- else
- pace->perms = 0;
}
apply_default_perms(params, is_directory, pace, S_IRUSR);