diff options
| author | Mi Jinlong <mijinlong@cn.fujitsu.com> | 2011-03-23 17:57:07 +0800 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2011-04-29 20:47:53 -0400 |
| commit | a62573dc353b255dbbc8520bfdcb1c8a8c1ada87 (patch) | |
| tree | 23c0b4cd8dfe6a0670237d946df6b5b184c25f1b | |
| parent | ac6721a13e5b1a90728e790600f827a5e5f5da2f (diff) | |
nfsd41: add flag checking for create_session
Teach the NFS server to reject invalid create_session flags.
Also do some minor formatting adjustments.
Signed-off-by: Mi Jinlong <mijinlong@cn.fujitsu.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
| -rw-r--r-- | fs/nfsd/nfs4state.c | 3 | ||||
| -rw-r--r-- | include/linux/nfs4.h | 8 |
2 files changed, 8 insertions, 3 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index fbde6f79922e..6dbaa379c863 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -1515,6 +1515,9 @@ nfsd4_create_session(struct svc_rqst *rqstp, bool confirm_me = false; int status = 0; + if (cr_ses->flags & ~SESSION4_FLAG_MASK_A) + return nfserr_inval; + nfs4_lock_state(); unconf = find_unconfirmed_client(&cr_ses->clientid); conf = find_confirmed_client(&cr_ses->clientid); diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h index b528f6d4b860..8937727e7039 100644 --- a/include/linux/nfs4.h +++ b/include/linux/nfs4.h @@ -570,9 +570,11 @@ struct nfs4_sessionid { }; /* Create Session Flags */ -#define SESSION4_PERSIST 0x001 -#define SESSION4_BACK_CHAN 0x002 -#define SESSION4_RDMA 0x004 +#define SESSION4_PERSIST 0x001 +#define SESSION4_BACK_CHAN 0x002 +#define SESSION4_RDMA 0x004 + +#define SESSION4_FLAG_MASK_A 0x007 enum state_protect_how4 { SP4_NONE = 0, |