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[CIFS] ACL support part 5

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Acked-by: Shirish Pargaonkar <shirishp@us.ibm.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Steve French 2007-10-19 21:57:39 +00:00
parent c4ec207173
commit 4879b44829
3 changed files with 30 additions and 1 deletions
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23
fs/cifs/cifsacl.c
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@ -129,6 +129,29 @@ int compare_sids(struct cifs_sid *ctsid, struct cifs_sid *cwsid)
return (1); /* sids compare/match */ return (1); /* sids compare/match */
} }
void get_mode_from_acl(struct inode * inode, const char * path)
{
if (inode == NULL)
return;
/* find an open readable handle
if handle found
lock handle
else open file
if no open file can not hurt to check if path is null
GetCIFSACL
for all ACEs in ACL {
if U or G or O
inode->i_mode = parse_ace(file_type, UG or O, ace->perms, inode->i_mode)
else continue
}
if handle open close it
else unlock handle */
return;
}
static void parse_ace(struct cifs_ace *pace, char *end_of_acl) static void parse_ace(struct cifs_ace *pace, char *end_of_acl)
{ {

2
fs/cifs/cifsproto.h
View File

@ -92,7 +92,7 @@ extern int cifs_get_inode_info(struct inode **pinode,
extern int cifs_get_inode_info_unix(struct inode **pinode, extern int cifs_get_inode_info_unix(struct inode **pinode,
const unsigned char *search_path, const unsigned char *search_path,
struct super_block *sb, int xid); struct super_block *sb, int xid);
extern void get_mode_from_acl(struct inode * inode, const char * search_path);
extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *, extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *,
const char *); const char *);
extern int cifs_umount(struct super_block *, struct cifs_sb_info *); extern int cifs_umount(struct super_block *, struct cifs_sb_info *);

6
fs/cifs/inode.c
View File

@ -527,6 +527,12 @@ int cifs_get_inode_info(struct inode **pinode,
/* BB fill in uid and gid here? with help from winbind? /* BB fill in uid and gid here? with help from winbind?
or retrieve from NTFS stream extended attribute */ or retrieve from NTFS stream extended attribute */
#ifdef CONFIG_CIFS_EXPERIMENTAL
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) {
cFYI(1, ("Getting mode bits from ACL"));
get_mode_from_acl(inode, search_path);
}
#endif
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) { if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) {
/* fill in uid, gid, mode from server ACL */ /* fill in uid, gid, mode from server ACL */
/* BB FIXME this should also take into account the /* BB FIXME this should also take into account the