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authorChuck Lever <chuck.lever@oracle.com>2016-06-29 20:55:22 +0300
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2016-07-11 22:50:43 +0300
commita4e187d83d88eeaba6252aac0a2ffe5eaa73a818 (patch)
tree31ac04d7813866463fccf2ec9ec4dea9c88edc75 /net/sunrpc/svc.c
parent0533b13072f4bf35738290d2cf9e299c7bc6c42a (diff)
downloadlinux-a4e187d83d88eeaba6252aac0a2ffe5eaa73a818.tar.xz
NFS: Don't drop CB requests with invalid principals
Before commit 778be232a207 ("NFS do not find client in NFSv4 pg_authenticate"), the Linux callback server replied with RPC_AUTH_ERROR / RPC_AUTH_BADCRED, instead of dropping the CB request. Let's restore that behavior so the server has a chance to do something useful about it, and provide a warning that helps admins correct the problem. Fixes: 778be232a207 ("NFS do not find client in NFSv4 ...") Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Tested-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc/svc.c')
-rw-r--r--net/sunrpc/svc.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 87290a5a9ac7..c5b0cb4f4056 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -1194,6 +1194,11 @@ svc_process_common(struct svc_rqst *rqstp, struct kvec *argv, struct kvec *resv)
procp->pc_release(rqstp, NULL, rqstp->rq_resp);
goto dropit;
}
+ if (*statp == rpc_autherr_badcred) {
+ if (procp->pc_release)
+ procp->pc_release(rqstp, NULL, rqstp->rq_resp);
+ goto err_bad_auth;
+ }
if (*statp == rpc_success &&
(xdr = procp->pc_encode) &&
!xdr(rqstp, resv->iov_base+resv->iov_len, rqstp->rq_resp)) {