diff options
author | J. Bruce Fields <bfields@redhat.com> | 2011-10-10 15:07:40 -0400 |
---|---|---|
committer | J. Bruce Fields <bfields@redhat.com> | 2011-10-11 12:15:01 -0400 |
commit | a084daf512bb66fa3c8e21c7027daea521179cd0 (patch) | |
tree | ae3432178013d3b474adac890dad3fb7262f9746 /fs/nfsd/nfs4state.c | |
parent | 04f9e664b21c4440daf4d08f31db9b18517e4b8d (diff) |
nfsd4: move name-length checks to xdr
Again, these checks are better in the xdr code.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/nfs4state.c')
-rw-r--r-- | fs/nfsd/nfs4state.c | 24 |
1 files changed, 2 insertions, 22 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 6bfa293e1c91..5f35f35a2da0 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c | |||
@@ -1189,17 +1189,6 @@ static struct nfs4_client *create_client(struct xdr_netobj name, char *recdir, | |||
1189 | return clp; | 1189 | return clp; |
1190 | } | 1190 | } |
1191 | 1191 | ||
1192 | static int check_name(struct xdr_netobj name) | ||
1193 | { | ||
1194 | if (name.len == 0) | ||
1195 | return 0; | ||
1196 | if (name.len > NFS4_OPAQUE_LIMIT) { | ||
1197 | dprintk("NFSD: check_name: name too long(%d)!\n", name.len); | ||
1198 | return 0; | ||
1199 | } | ||
1200 | return 1; | ||
1201 | } | ||
1202 | |||
1203 | static void | 1192 | static void |
1204 | add_to_unconfirmed(struct nfs4_client *clp, unsigned int strhashval) | 1193 | add_to_unconfirmed(struct nfs4_client *clp, unsigned int strhashval) |
1205 | { | 1194 | { |
@@ -1442,7 +1431,7 @@ nfsd4_exchange_id(struct svc_rqst *rqstp, | |||
1442 | __func__, rqstp, exid, exid->clname.len, exid->clname.data, | 1431 | __func__, rqstp, exid, exid->clname.len, exid->clname.data, |
1443 | addr_str, exid->flags, exid->spa_how); | 1432 | addr_str, exid->flags, exid->spa_how); |
1444 | 1433 | ||
1445 | if (!check_name(exid->clname) || (exid->flags & ~EXCHGID4_FLAG_MASK_A)) | 1434 | if (exid->flags & ~EXCHGID4_FLAG_MASK_A) |
1446 | return nfserr_inval; | 1435 | return nfserr_inval; |
1447 | 1436 | ||
1448 | /* Currently only support SP4_NONE */ | 1437 | /* Currently only support SP4_NONE */ |
@@ -1992,19 +1981,13 @@ __be32 | |||
1992 | nfsd4_setclientid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, | 1981 | nfsd4_setclientid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, |
1993 | struct nfsd4_setclientid *setclid) | 1982 | struct nfsd4_setclientid *setclid) |
1994 | { | 1983 | { |
1995 | struct xdr_netobj clname = { | 1984 | struct xdr_netobj clname = setclid->se_name; |
1996 | .len = setclid->se_namelen, | ||
1997 | .data = setclid->se_name, | ||
1998 | }; | ||
1999 | nfs4_verifier clverifier = setclid->se_verf; | 1985 | nfs4_verifier clverifier = setclid->se_verf; |
2000 | unsigned int strhashval; | 1986 | unsigned int strhashval; |
2001 | struct nfs4_client *conf, *unconf, *new; | 1987 | struct nfs4_client *conf, *unconf, *new; |
2002 | __be32 status; | 1988 | __be32 status; |
2003 | char dname[HEXDIR_LEN]; | 1989 | char dname[HEXDIR_LEN]; |
2004 | 1990 | ||
2005 | if (!check_name(clname)) | ||
2006 | return nfserr_inval; | ||
2007 | |||
2008 | status = nfs4_make_rec_clidname(dname, &clname); | 1991 | status = nfs4_make_rec_clidname(dname, &clname); |
2009 | if (status) | 1992 | if (status) |
2010 | return status; | 1993 | return status; |
@@ -2523,9 +2506,6 @@ nfsd4_process_open1(struct nfsd4_compound_state *cstate, | |||
2523 | struct nfs4_openowner *oo = NULL; | 2506 | struct nfs4_openowner *oo = NULL; |
2524 | __be32 status; | 2507 | __be32 status; |
2525 | 2508 | ||
2526 | if (!check_name(open->op_owner)) | ||
2527 | return nfserr_inval; | ||
2528 | |||
2529 | if (STALE_CLIENTID(&open->op_clientid)) | 2509 | if (STALE_CLIENTID(&open->op_clientid)) |
2530 | return nfserr_stale_clientid; | 2510 | return nfserr_stale_clientid; |
2531 | 2511 | ||