Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ce06c9f025120dbb2978d9b84641d76c25f17902
Commit: ce06c9f025120dbb2978d9b84641d76c25f17902
Parent: 15b0395911eb45a0834755f0d9e84570644a8c22
Author: Steve French <[EMAIL PROTECTED]>
AuthorDate: Thu Nov 8 21:12:01 2007 +0000
Committer: Steve French <[EMAIL PROTECTED]>
CommitDate: Thu Nov 8 21:12:01 2007 +0000
[CIFS] add mode to acl conversion helper function
Acked-by: Shirish Pargaonkar <[EMAIL PROTECTED]>
Signed-off-by: Steve French <[EMAIL PROTECTED]>
---
fs/cifs/CHANGES | 3 +++
fs/cifs/cifsacl.c | 35 +++++++++++++++++++++++++++++++++--
fs/cifs/cifsfs.h | 2 +-
3 files changed, 37 insertions(+), 3 deletions(-)
diff --git a/fs/cifs/CHANGES b/fs/cifs/CHANGES
index 6d3e736..53629b8 100644
--- a/fs/cifs/CHANGES
+++ b/fs/cifs/CHANGES
@@ -1,3 +1,6 @@
+Version 1.52
+------------
+
Version 1.51
------------
Fix memory leak in statfs when mounted to very old servers (e.g.
diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c
index ec44580..dabbce0 100644
--- a/fs/cifs/cifsacl.c
+++ b/fs/cifs/cifsacl.c
@@ -138,9 +138,9 @@ static void access_flags_to_mode(__u32 ace_flags, int type,
umode_t *pmode,
umode_t *pbits_to_set)
{
/* the order of ACEs is important. The canonical order is to begin with
- DENY entries then follow with ALLOW, otherwise an allow entry could
be
+ DENY entries followed by ALLOW, otherwise an allow entry could be
encountered first, making the subsequent deny entry like "dead code"
- which would be superflous since Windows stops when a match is made
+ which would be superflous since Windows stops when a match is made
for the operation you are trying to perform for your user */
/* For deny ACEs we change the mask so that subsequent allow access
@@ -188,6 +188,37 @@ static void access_flags_to_mode(__u32 ace_flags, int
type, umode_t *pmode,
return;
}
+/*
+ Generate access flags to reflect permissions mode is the existing mode.
+ This function is called for every ACE in the DACL whose SID matches
+ with either owner or group or everyone.
+*/
+
+static void mode_to_access_flags(umode_t mode, umode_t bits_to_use,
+ __u32 *pace_flags)
+{
+ /* reset access mask */
+ *pace_flags = 0x0;
+
+ /* bits to use are either S_IRWXU or S_IRWXG or S_IRWXO */
+ mode &= bits_to_use;
+
+ /* check for R/W/X UGO since we do not know whose flags
+ is this but we have cleared all the bits sans RWX for
+ either user or group or other as per bits_to_use */
+ if (mode & S_IRUGO)
+ *pace_flags |= SET_FILE_READ_RIGHTS;
+ if (mode & S_IWUGO)
+ *pace_flags |= SET_FILE_WRITE_RIGHTS;
+ if (mode & S_IXUGO)
+ *pace_flags |= SET_FILE_EXEC_RIGHTS;
+
+#ifdef CONFIG_CIFS_DEBUG2
+ cFYI(1, ("mode: 0x%x, access flags now 0x%x", mode, *pace_flags));
+#endif
+ return;
+}
+
#ifdef CONFIG_CIFS_DEBUG2
static void dump_ace(struct cifs_ace *pace, char *end_of_acl)
diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h
index 0a3ee5a..62357d2 100644
--- a/fs/cifs/cifsfs.h
+++ b/fs/cifs/cifsfs.h
@@ -106,5 +106,5 @@ extern int cifs_ioctl(struct inode *inode, struct file
*filep,
extern struct export_operations cifs_export_ops;
#endif /* EXPERIMENTAL */
-#define CIFS_VERSION "1.51"
+#define CIFS_VERSION "1.52"
#endif /* _CIFSFS_H */
-
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