summaryrefslogtreecommitdiffstats
path: root/fs/nfs/callback.c
diff options
context:
space:
mode:
authorBrian Norris <computersforpeace@gmail.com>2014-08-19 11:57:23 -0700
committerBrian Norris <computersforpeace@gmail.com>2014-08-19 11:57:23 -0700
commit5b49ab3e03f68eb49db4bce6290e5707b7f6c6f3 (patch)
tree090c7c069bc6c0f2b368ed8d0af861c275525411 /fs/nfs/callback.c
parentb25046b1e5e3f1423434da77ccc859f2f779d1ce (diff)
parent54ea17a597b00e46b3720e75dd7595cd5dfa5670 (diff)
downloadlinux-stable-5b49ab3e03f68eb49db4bce6290e5707b7f6c6f3.tar.gz
linux-stable-5b49ab3e03f68eb49db4bce6290e5707b7f6c6f3.tar.bz2
linux-stable-5b49ab3e03f68eb49db4bce6290e5707b7f6c6f3.zip
Merge l2-mtd/next into l2-mtd/master
Diffstat (limited to 'fs/nfs/callback.c')
-rw-r--r--fs/nfs/callback.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c
index 073b4cf67ed9..54de482143cc 100644
--- a/fs/nfs/callback.c
+++ b/fs/nfs/callback.c
@@ -428,6 +428,18 @@ check_gss_callback_principal(struct nfs_client *clp, struct svc_rqst *rqstp)
if (p == NULL)
return 0;
+ /*
+ * Did we get the acceptor from userland during the SETCLIENID
+ * negotiation?
+ */
+ if (clp->cl_acceptor)
+ return !strcmp(p, clp->cl_acceptor);
+
+ /*
+ * Otherwise try to verify it using the cl_hostname. Note that this
+ * doesn't work if a non-canonical hostname was used in the devname.
+ */
+
/* Expect a GSS_C_NT_HOSTBASED_NAME like "nfs@serverhostname" */
if (memcmp(p, "nfs@", 4) != 0)