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authorSachin Prabhu <sprabhu@redhat.com>2013-04-09 21:17:41 +0400
committerSteve French <sfrench@us.ibm.com>2013-04-11 00:54:14 +0400
commitc369c9a4a7c82d33329d869cbaf93304cc7a0c40 (patch)
treecbe547bd29cdf16660ce244cf6f15820e412c311 /fs
parent66ade474237745a57b7e87da9a93c7ec69fd52bb (diff)
downloadlinux-c369c9a4a7c82d33329d869cbaf93304cc7a0c40.tar.xz
cifs: Allow passwords which begin with a delimitor
Fixes a regression in cifs_parse_mount_options where a password which begins with a delimitor is parsed incorrectly as being a blank password. Signed-off-by: Sachin Prabhu <sprabhu@redhat.com> Acked-by: Jeff Layton <jlayton@redhat.com> Cc: <stable@vger.kernel.org> Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/cifs/connect.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 991c63c6bdd0..21b3a291c327 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -1575,14 +1575,24 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
}
break;
case Opt_blank_pass:
- vol->password = NULL;
- break;
- case Opt_pass:
/* passwords have to be handled differently
* to allow the character used for deliminator
* to be passed within them
*/
+ /*
+ * Check if this is a case where the password
+ * starts with a delimiter
+ */
+ tmp_end = strchr(data, '=');
+ tmp_end++;
+ if (!(tmp_end < end && tmp_end[1] == delim)) {
+ /* No it is not. Set the password to NULL */
+ vol->password = NULL;
+ break;
+ }
+ /* Yes it is. Drop down to Opt_pass below.*/
+ case Opt_pass:
/* Obtain the value string */
value = strchr(data, '=');
value++;