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| author | Kinglong Mee <kinglongmee@gmail.com> | 2013-12-10 08:24:36 +0100 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2014-01-02 23:44:52 +0100 |
| commit | a8bb84bc9e57ad214024425d480a722f304df9e8 (patch) | |
| tree | 1bd6bbe8ad1103e3774f89a0cecda2bad9ccc28d /fs/nfsd | |
| parent | nfsd: revoking of suid/sgid bits after chown() in a consistent way (diff) | |
| download | linux-a8bb84bc9e57ad214024425d480a722f304df9e8.tar.xz linux-a8bb84bc9e57ad214024425d480a722f304df9e8.zip | |
nfsd: calculate the missing length of bitmap in EXCHANGE_ID
commit 58cd57bfd9db3bc213bf9d6a10920f82095f0114
"nfsd: Fix SP4_MACH_CRED negotiation in EXCHANGE_ID"
miss calculating the length of bitmap for spo_must_enforce and spo_must_allow.
Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd')
| -rw-r--r-- | fs/nfsd/nfs4proc.c | 3 | ||||
| -rw-r--r-- | fs/nfsd/nfs4xdr.c | 24 |
2 files changed, 18 insertions, 9 deletions
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index 419572f33b72..7bac4bdbddee 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -1524,7 +1524,8 @@ static inline u32 nfsd4_write_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op) static inline u32 nfsd4_exchange_id_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op) { return (op_encode_hdr_size + 2 + 1 + /* eir_clientid, eir_sequenceid */\ - 1 + 1 + 2 + /* eir_flags, spr_how, spo_must_enforce & _allow */\ + 1 + 1 + /* eir_flags, spr_how */\ + 4 + /* spo_must_enforce & _allow with bitmap */\ 2 + /*eir_server_owner.so_minor_id */\ /* eir_server_owner.so_major_id<> */\ XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 +\ diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 79754139ccdf..1dface03bd3e 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -3398,35 +3398,43 @@ nfsd4_encode_exchange_id(struct nfsd4_compoundres *resp, __be32 nfserr, 8 /* eir_clientid */ + 4 /* eir_sequenceid */ + 4 /* eir_flags */ + - 4 /* spr_how */ + - 8 /* spo_must_enforce, spo_must_allow */ + - 8 /* so_minor_id */ + - 4 /* so_major_id.len */ + - (XDR_QUADLEN(major_id_sz) * 4) + - 4 /* eir_server_scope.len */ + - (XDR_QUADLEN(server_scope_sz) * 4) + - 4 /* eir_server_impl_id.count (0) */); + 4 /* spr_how */); WRITEMEM(&exid->clientid, 8); WRITE32(exid->seqid); WRITE32(exid->flags); WRITE32(exid->spa_how); + ADJUST_ARGS(); + switch (exid->spa_how) { case SP4_NONE: break; case SP4_MACH_CRED: + /* spo_must_enforce, spo_must_allow */ + RESERVE_SPACE(16); + /* spo_must_enforce bitmap: */ WRITE32(2); WRITE32(nfs4_minimal_spo_must_enforce[0]); WRITE32(nfs4_minimal_spo_must_enforce[1]); /* empty spo_must_allow bitmap: */ WRITE32(0); + + ADJUST_ARGS(); break; default: WARN_ON_ONCE(1); } + RESERVE_SPACE( + 8 /* so_minor_id */ + + 4 /* so_major_id.len */ + + (XDR_QUADLEN(major_id_sz) * 4) + + 4 /* eir_server_scope.len */ + + (XDR_QUADLEN(server_scope_sz) * 4) + + 4 /* eir_server_impl_id.count (0) */); + /* The server_owner struct */ WRITE64(minor_id); /* Minor id */ /* major id */ |