]> err.no Git - linux-2.6/blobdiff - fs/cifs/cifsacl.c
[CIFS] Fix some endianness problems in new acl code
[linux-2.6] / fs / cifs / cifsacl.c
index 601587724f9de8e8b3f7ef4145ee53ca968308cf..4735e9b47590ae115e458d1652d3139305546d12 100644 (file)
@@ -31,7 +31,7 @@
 
 #ifdef CONFIG_CIFS_EXPERIMENTAL
 
-struct cifs_wksid wksidarr[NUM_WK_SIDS] = {
+static struct cifs_wksid wksidarr[NUM_WK_SIDS] = {
        {{1, 0, {0, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 0} }, "null user"},
        {{1, 1, {0, 0, 0, 0, 0, 1}, {0, 0, 0, 0, 0} }, "nobody"},
        {{1, 1, {0, 0, 0, 0, 0, 5}, {11, 0, 0, 0, 0} }, "net-users"},
@@ -192,14 +192,15 @@ static void parse_dacl(struct cifs_acl *pdacl, char *end_of_acl)
        /* BB need to add parm so we can store the SID BB */
 
        /* validate that we do not go past end of acl */
-       if (end_of_acl < (char *)pdacl + pdacl->size) {
+       if (end_of_acl < (char *)pdacl + le16_to_cpu(pdacl->size)) {
                cERROR(1, ("ACL too small to parse DACL"));
                return;
        }
 
 #ifdef CONFIG_CIFS_DEBUG2
        cFYI(1, ("DACL revision %d size %d num aces %d",
-               pdacl->revision, pdacl->size, pdacl->num_aces));
+               le16_to_cpu(pdacl->revision), le16_to_cpu(pdacl->size),
+               le32_to_cpu(pdacl->num_aces)));
 #endif
 
        acl_base = (char *)pdacl;
@@ -255,7 +256,6 @@ static void parse_dacl(struct cifs_acl *pdacl, char *end_of_acl)
 
 static int parse_sid(struct cifs_sid *psid, char *end_of_acl)
 {
-       int num_subauth;
 
        /* BB need to add parm so we can store the SID BB */
 
@@ -265,14 +265,13 @@ static int parse_sid(struct cifs_sid *psid, char *end_of_acl)
                return -EINVAL;
        }
 
-       num_subauth = cpu_to_le32(psid->num_subauth);
-       if (num_subauth) {
+       if (psid->num_subauth) {
 #ifdef CONFIG_CIFS_DEBUG2
                int i;
                cFYI(1, ("SID revision %d num_auth %d First subauth 0x%x",
                        psid->revision, psid->num_subauth, psid->sub_auth[0]));
 
-               for (i = 0; i < num_subauth; ++i) {
+               for (i = 0; i < psid->num_subauth; i++) {
                        cFYI(1, ("SID sub_auth[%d]: 0x%x ", i,
                                le32_to_cpu(psid->sub_auth[i])));
                }
@@ -280,7 +279,7 @@ static int parse_sid(struct cifs_sid *psid, char *end_of_acl)
                /* BB add length check to make sure that we do not have huge
                        num auths and therefore go off the end */
                cFYI(1, ("RID 0x%x",
-                       le32_to_cpu(psid->sub_auth[num_subauth-1])));
+                       le32_to_cpu(psid->sub_auth[psid->num_subauth-1])));
 #endif
        }
 
@@ -297,17 +296,18 @@ int parse_sec_desc(struct cifs_ntsd *pntsd, int acl_len)
        char *end_of_acl = ((char *)pntsd) + acl_len;
 
        owner_sid_ptr = (struct cifs_sid *)((char *)pntsd +
-                               cpu_to_le32(pntsd->osidoffset));
+                               le32_to_cpu(pntsd->osidoffset));
        group_sid_ptr = (struct cifs_sid *)((char *)pntsd +
-                               cpu_to_le32(pntsd->gsidoffset));
+                               le32_to_cpu(pntsd->gsidoffset));
        dacl_ptr = (struct cifs_acl *)((char *)pntsd +
-                               cpu_to_le32(pntsd->dacloffset));
+                               le32_to_cpu(pntsd->dacloffset));
 #ifdef CONFIG_CIFS_DEBUG2
        cFYI(1, ("revision %d type 0x%x ooffset 0x%x goffset 0x%x "
                 "sacloffset 0x%x dacloffset 0x%x",
-                pntsd->revision, pntsd->type,
-                pntsd->osidoffset, pntsd->gsidoffset, pntsd->sacloffset,
-                pntsd->dacloffset));
+                pntsd->revision, pntsd->type, le32_to_cpu(pntsd->osidoffset),
+                le32_to_cpu(pntsd->gsidoffset),
+                le32_to_cpu(pntsd->sacloffset),
+                le32_to_cpu(pntsd->dacloffset));
 #endif
        rc = parse_sid(owner_sid_ptr, end_of_acl);
        if (rc)