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authorSteve French <sfrench@us.ibm.com>2006-10-30 21:46:13 +0000
committerSteve French <sfrench@us.ibm.com>2006-10-30 21:46:13 +0000
commit4b952a9b0877dbe8f0f69b2747abe79e3bbd2865 (patch)
tree63d933c2d6e4694da7f81d173f75a679a5874d15 /fs
parent7ca85ba752e521f1b5ead1f3b91c562cc3910c7b (diff)
[CIFS] Allow null user connections
Some servers are configured to only allow null user mounts for guest access. Allow nul user (anonymous) mounts e.g. mount -t cifs //server/share /mnt -o username= Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/cifs/CHANGES3
-rw-r--r--fs/cifs/connect.c7
2 files changed, 9 insertions, 1 deletions
diff --git a/fs/cifs/CHANGES b/fs/cifs/CHANGES
index 1eb9a2ec0a3..50afab81a59 100644
--- a/fs/cifs/CHANGES
+++ b/fs/cifs/CHANGES
@@ -1,6 +1,9 @@
Version 1.46
------------
Support deep tree mounts. Better support OS/2, Win9x (DOS) time stamps.
+Allow null user to be specified on mount ("username="). Do not return
+EINVAL on readdir when filldir fails due to overwritten blocksize
+(fixes FC problem)
Version 1.45
------------
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 4093d533293..71f77914ce9 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -822,10 +822,13 @@ cifs_parse_mount_options(char *options, const char *devname,struct smb_vol *vol)
} else if (strnicmp(data, "nouser_xattr",12) == 0) {
vol->no_xattr = 1;
} else if (strnicmp(data, "user", 4) == 0) {
- if (!value || !*value) {
+ if (!value) {
printk(KERN_WARNING
"CIFS: invalid or missing username\n");
return 1; /* needs_arg; */
+ } else if(!*value) {
+ /* null user, ie anonymous, authentication */
+ vol->nullauth = 1;
}
if (strnlen(value, 200) < 200) {
vol->username = value;
@@ -1642,6 +1645,8 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
/* BB fixme parse for domain name here */
cFYI(1, ("Username: %s ", volume_info.username));
+ } else if (volume_info.nullauth) {
+ cFYI(1,("null user"));
} else {
cifserror("No username specified");
/* In userspace mount helper we can get user name from alternate