static void parse_dacl(struct cifs_acl *pdacl, char *end_of_acl,
struct cifs_sid *pownersid, struct cifs_sid *pgrpsid,
- struct inode *inode)
+ struct cifs_fattr *fattr)
{
int i;
int num_aces = 0;
if (!pdacl) {
/* no DACL in the security descriptor, set
all the permissions for user/group/other */
- inode->i_mode |= S_IRWXUGO;
+ fattr->cf_mode |= S_IRWXUGO;
return;
}
/* reset rwx permissions for user/group/other.
Also, if num_aces is 0 i.e. DACL has no ACEs,
user/group/other have no permissions */
- inode->i_mode &= ~(S_IRWXUGO);
+ fattr->cf_mode &= ~(S_IRWXUGO);
acl_base = (char *)pdacl;
acl_size = sizeof(struct cifs_acl);
if (compare_sids(&(ppace[i]->sid), pownersid))
access_flags_to_mode(ppace[i]->access_req,
ppace[i]->type,
- &(inode->i_mode),
+ &fattr->cf_mode,
&user_mask);
if (compare_sids(&(ppace[i]->sid), pgrpsid))
access_flags_to_mode(ppace[i]->access_req,
ppace[i]->type,
- &(inode->i_mode),
+ &fattr->cf_mode,
&group_mask);
if (compare_sids(&(ppace[i]->sid), &sid_everyone))
access_flags_to_mode(ppace[i]->access_req,
ppace[i]->type,
- &(inode->i_mode),
+ &fattr->cf_mode,
&other_mask);
/* memcpy((void *)(&(cifscred->aces[i])),
/* Convert CIFS ACL to POSIX form */
static int parse_sec_desc(struct cifs_ntsd *pntsd, int acl_len,
- struct inode *inode)
+ struct cifs_fattr *fattr)
{
int rc;
struct cifs_sid *owner_sid_ptr, *group_sid_ptr;
char *end_of_acl = ((char *)pntsd) + acl_len;
__u32 dacloffset;
- if ((inode == NULL) || (pntsd == NULL))
+ if (pntsd == NULL)
return -EIO;
owner_sid_ptr = (struct cifs_sid *)((char *)pntsd +
if (dacloffset)
parse_dacl(dacl_ptr, end_of_acl, owner_sid_ptr,
- group_sid_ptr, inode);
+ group_sid_ptr, fattr);
else
cFYI(1, ("no ACL")); /* BB grant all or default perms? */
memcpy((void *)(&(cifscred->gsid)), (void *)group_sid_ptr,
sizeof(struct cifs_sid)); */
-
return 0;
}
return get_cifs_acl_by_path(cifs_sb, path, pacllen);
pntsd = get_cifs_acl_by_fid(cifs_sb, open_file->netfid, pacllen);
- atomic_dec(&open_file->wrtPending);
+ cifsFileInfo_put(open_file);
return pntsd;
}
-/* Set an ACL on the server */
-static int set_cifs_acl(struct cifs_ntsd *pnntsd, __u32 acllen,
- struct inode *inode, const char *path)
+static int set_cifs_acl_by_fid(struct cifs_sb_info *cifs_sb, __u16 fid,
+ struct cifs_ntsd *pnntsd, u32 acllen)
{
- struct cifsFileInfo *open_file;
- bool unlock_file = false;
- int xid;
- int rc = -EIO;
- __u16 fid;
- struct super_block *sb;
- struct cifs_sb_info *cifs_sb;
+ int xid, rc;
- cFYI(DBG2, ("set ACL for %s from mode 0x%x", path, inode->i_mode));
+ xid = GetXid();
+ rc = CIFSSMBSetCIFSACL(xid, cifs_sb->tcon, fid, pnntsd, acllen);
+ FreeXid(xid);
- if (!inode)
- return rc;
+ cFYI(DBG2, ("SetCIFSACL rc = %d", rc));
+ return rc;
+}
- sb = inode->i_sb;
- if (sb == NULL)
- return rc;
+static int set_cifs_acl_by_path(struct cifs_sb_info *cifs_sb, const char *path,
+ struct cifs_ntsd *pnntsd, u32 acllen)
+{
+ int oplock = 0;
+ int xid, rc;
+ __u16 fid;
- cifs_sb = CIFS_SB(sb);
xid = GetXid();
- open_file = find_readable_file(CIFS_I(inode));
- if (open_file) {
- unlock_file = true;
- fid = open_file->netfid;
- } else {
- int oplock = 0;
- /* open file */
- rc = CIFSSMBOpen(xid, cifs_sb->tcon, path, FILE_OPEN,
- WRITE_DAC, 0, &fid, &oplock, NULL,
- cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
- CIFS_MOUNT_MAP_SPECIAL_CHR);
- if (rc != 0) {
- cERROR(1, ("Unable to open file to set ACL"));
- FreeXid(xid);
- return rc;
- }
+ rc = CIFSSMBOpen(xid, cifs_sb->tcon, path, FILE_OPEN, WRITE_DAC, 0,
+ &fid, &oplock, NULL, cifs_sb->local_nls,
+ cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
+ if (rc) {
+ cERROR(1, ("Unable to open file to set ACL"));
+ goto out;
}
rc = CIFSSMBSetCIFSACL(xid, cifs_sb->tcon, fid, pnntsd, acllen);
cFYI(DBG2, ("SetCIFSACL rc = %d", rc));
- if (unlock_file)
- atomic_dec(&open_file->wrtPending);
- else
- CIFSSMBClose(xid, cifs_sb->tcon, fid);
+ CIFSSMBClose(xid, cifs_sb->tcon, fid);
+ out:
FreeXid(xid);
+ return rc;
+}
+
+/* Set an ACL on the server */
+static int set_cifs_acl(struct cifs_ntsd *pnntsd, __u32 acllen,
+ struct inode *inode, const char *path)
+{
+ struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
+ struct cifsFileInfo *open_file;
+ int rc;
+
+ cFYI(DBG2, ("set ACL for %s from mode 0x%x", path, inode->i_mode));
+
+ open_file = find_readable_file(CIFS_I(inode));
+ if (!open_file)
+ return set_cifs_acl_by_path(cifs_sb, path, pnntsd, acllen);
+ rc = set_cifs_acl_by_fid(cifs_sb, open_file->netfid, pnntsd, acllen);
+ cifsFileInfo_put(open_file);
return rc;
}
/* Translate the CIFS ACL (simlar to NTFS ACL) for a file into mode bits */
-void acl_to_uid_mode(struct cifs_sb_info *cifs_sb, struct inode *inode,
- const char *path, const __u16 *pfid)
+void
+cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb, struct cifs_fattr *fattr,
+ struct inode *inode, const char *path, const __u16 *pfid)
{
struct cifs_ntsd *pntsd = NULL;
u32 acllen = 0;
/* if we can retrieve the ACL, now parse Access Control Entries, ACEs */
if (pntsd)
- rc = parse_sec_desc(pntsd, acllen, inode);
+ rc = parse_sec_desc(pntsd, acllen, fattr);
if (rc)
cFYI(1, ("parse sec desc failed rc = %d", rc));
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff