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| author | Andy Adamson <andros@netapp.com> | 2009-04-03 08:28:50 +0300 |
|---|---|---|
| committer | J. Bruce Fields <bfields@citi.umich.edu> | 2009-04-03 17:41:20 -0700 |
| commit | 60adfc50de3855628dea8f8896a65f471f51301c (patch) | |
| tree | 56b0b32f5c46cee80128ffaec1ac41588a821673 /fs/nfsd/nfs4xdr.c | |
| parent | 496c262cf01106a546ffb7df6fea84b8b881ee19 (diff) | |
| download | linux-stable-60adfc50de3855628dea8f8896a65f471f51301c.tar.gz linux-stable-60adfc50de3855628dea8f8896a65f471f51301c.tar.bz2 linux-stable-60adfc50de3855628dea8f8896a65f471f51301c.zip | |
nfsd41: clientid handling
Extract the clientid from sessionid to set the op_clientid on open.
Verify that the clid for other stateful ops is zero for minorversion != 0
Do all other checks for stateful ops without sessions.
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Andy Adamson <andros@netapp.com>
[fixed whitespace indent]
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
[nfsd41 remove sl_session from nfsd4_open]
Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Diffstat (limited to 'fs/nfsd/nfs4xdr.c')
| -rw-r--r-- | fs/nfsd/nfs4xdr.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 7fdee828f44e..059d4aad39b8 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -189,6 +189,11 @@ static __be32 *read_buf(struct nfsd4_compoundargs *argp, u32 nbytes) return p; } +static int zero_clientid(clientid_t *clid) +{ + return (clid->cl_boot == 0) && (clid->cl_id == 0); +} + static int defer_free(struct nfsd4_compoundargs *argp, void (*release)(const void *), void *p) @@ -584,6 +589,8 @@ nfsd4_decode_lockt(struct nfsd4_compoundargs *argp, struct nfsd4_lockt *lockt) READ_BUF(lockt->lt_owner.len); READMEM(lockt->lt_owner.data, lockt->lt_owner.len); + if (argp->minorversion && !zero_clientid(&lockt->lt_clientid)) + return nfserr_inval; DECODE_TAIL; } @@ -994,6 +1001,8 @@ nfsd4_decode_release_lockowner(struct nfsd4_compoundargs *argp, struct nfsd4_rel READ_BUF(rlockowner->rl_owner.len); READMEM(rlockowner->rl_owner.data, rlockowner->rl_owner.len); + if (argp->minorversion && !zero_clientid(&rlockowner->rl_clientid)) + return nfserr_inval; DECODE_TAIL; } |