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-rw-r--r--fs/cifs/cifsacl.c44
1 files changed, 26 insertions, 18 deletions
diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c
index f842944a5c76..96ae72b556ac 100644
--- a/fs/cifs/cifsacl.c
+++ b/fs/cifs/cifsacl.c
@@ -39,8 +39,6 @@ static const struct cifs_sid sid_everyone = {
/* security id for Authenticated Users system group */
static const struct cifs_sid sid_authusers = {
1, 1, {0, 0, 0, 0, 0, 5}, {cpu_to_le32(11)} };
-/* group users */
-static const struct cifs_sid sid_user = {1, 2 , {0, 0, 0, 0, 0, 5}, {} };
/* S-1-22-1 Unmapped Unix users */
static const struct cifs_sid sid_unix_users = {1, 1, {0, 0, 0, 0, 0, 22},
@@ -804,6 +802,31 @@ static void parse_dacl(struct cifs_acl *pdacl, char *end_of_acl,
return;
}
+/*
+ * Fill in the special SID based on the mode. See
+ * http://technet.microsoft.com/en-us/library/hh509017(v=ws.10).aspx
+ */
+unsigned int setup_special_mode_ACE(struct cifs_ace *pntace, __u64 nmode)
+{
+ int i;
+ unsigned int ace_size = 28;
+
+ pntace->type = ACCESS_DENIED_ACE_TYPE;
+ pntace->flags = 0x0;
+ pntace->access_req = 0;
+ pntace->sid.num_subauth = 3;
+ pntace->sid.revision = 1;
+ for (i = 0; i < NUM_AUTHS; i++)
+ pntace->sid.authority[i] = sid_unix_NFS_mode.authority[i];
+
+ pntace->sid.sub_auth[0] = sid_unix_NFS_mode.sub_auth[0];
+ pntace->sid.sub_auth[1] = sid_unix_NFS_mode.sub_auth[1];
+ pntace->sid.sub_auth[2] = cpu_to_le32(nmode & 07777);
+
+ /* size = 1 + 1 + 2 + 4 + 1 + 1 + 6 + (psid->num_subauth*4) */
+ pntace->size = cpu_to_le16(ace_size);
+ return ace_size;
+}
static int set_chmod_dacl(struct cifs_acl *pndacl, struct cifs_sid *pownersid,
struct cifs_sid *pgrpsid, __u64 nmode, bool modefromsid)
@@ -817,23 +840,8 @@ static int set_chmod_dacl(struct cifs_acl *pndacl, struct cifs_sid *pownersid,
if (modefromsid) {
struct cifs_ace *pntace =
(struct cifs_ace *)((char *)pnndacl + size);
- int i;
- pntace->type = ACCESS_ALLOWED;
- pntace->flags = 0x0;
- pntace->access_req = 0;
- pntace->sid.num_subauth = 3;
- pntace->sid.revision = 1;
- for (i = 0; i < NUM_AUTHS; i++)
- pntace->sid.authority[i] =
- sid_unix_NFS_mode.authority[i];
- pntace->sid.sub_auth[0] = sid_unix_NFS_mode.sub_auth[0];
- pntace->sid.sub_auth[1] = sid_unix_NFS_mode.sub_auth[1];
- pntace->sid.sub_auth[2] = cpu_to_le32(nmode & 07777);
-
- /* size = 1 + 1 + 2 + 4 + 1 + 1 + 6 + (psid->num_subauth*4) */
- pntace->size = cpu_to_le16(28);
- size += 28;
+ size += setup_special_mode_ACE(pntace, nmode);
num_aces++;
}