From 4879b44829d94a1f8facf90cced3c5f23c5a8c62 Mon Sep 17 00:00:00 2001 From: Steve French Date: Fri, 19 Oct 2007 21:57:39 +0000 Subject: [PATCH] [CIFS] ACL support part 5 Acked-by: Shirish Pargaonkar Signed-off-by: Steve French --- fs/cifs/cifsacl.c | 23 +++++++++++++++++++++++ fs/cifs/cifsproto.h | 2 +- fs/cifs/inode.c | 6 ++++++ 3 files changed, 30 insertions(+), 1 deletion(-) diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c index e8e56353f5a1..e8083043a26c 100644 --- a/fs/cifs/cifsacl.c +++ b/fs/cifs/cifsacl.c @@ -129,6 +129,29 @@ int compare_sids(struct cifs_sid *ctsid, struct cifs_sid *cwsid) 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) { diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h index 1a883663b22d..7c445f8f233f 100644 --- a/fs/cifs/cifsproto.h +++ b/fs/cifs/cifsproto.h @@ -92,7 +92,7 @@ extern int cifs_get_inode_info(struct inode **pinode, extern int cifs_get_inode_info_unix(struct inode **pinode, const unsigned char *search_path, 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 *, const char *); extern int cifs_umount(struct super_block *, struct cifs_sb_info *); diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index 5e8b388be3b6..9a5c0c925bab 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -527,6 +527,12 @@ int cifs_get_inode_info(struct inode **pinode, /* BB fill in uid and gid here? with help from winbind? 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) { /* fill in uid, gid, mode from server ACL */ /* BB FIXME this should also take into account the -- 2.20.1