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author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2019-02-25 08:39:26 -0500 |
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committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2019-02-25 09:35:49 -0500 |
commit | 06b5fc3ad94eebf25d5abc07f84e16b8b33dcf8c (patch) | |
tree | e96f320b5e934978571c8b7d9553ef10fc87b149 /net/sunrpc/auth_null.c | |
parent | 5085607d209102b37b169bc94d0aa39566a9842a (diff) | |
parent | 2c94b8eca1a26cd46010d6e73a23da5f2e93a19d (diff) |
Merge tag 'nfs-rdma-for-5.1-1' of git://git.linux-nfs.org/projects/anna/linux-nfs
NFSoRDMA client updates for 5.1
New features:
- Convert rpc auth layer to use xdr_streams
- Config option to disable insecure enctypes
- Reduce size of RPC receive buffers
Bugfixes and cleanups:
- Fix sparse warnings
- Check inline size before providing a write chunk
- Reduce the receive doorbell rate
- Various tracepoint improvements
[Trond: Fix up merge conflicts]
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'net/sunrpc/auth_null.c')
-rw-r--r-- | net/sunrpc/auth_null.c | 56 |
1 files changed, 30 insertions, 26 deletions
diff --git a/net/sunrpc/auth_null.c b/net/sunrpc/auth_null.c index d0ceac57c06e..41a633a4049e 100644 --- a/net/sunrpc/auth_null.c +++ b/net/sunrpc/auth_null.c @@ -59,15 +59,21 @@ nul_match(struct auth_cred *acred, struct rpc_cred *cred, int taskflags) /* * Marshal credential. */ -static __be32 * -nul_marshal(struct rpc_task *task, __be32 *p) +static int +nul_marshal(struct rpc_task *task, struct xdr_stream *xdr) { - *p++ = htonl(RPC_AUTH_NULL); - *p++ = 0; - *p++ = htonl(RPC_AUTH_NULL); - *p++ = 0; - - return p; + __be32 *p; + + p = xdr_reserve_space(xdr, 4 * sizeof(*p)); + if (!p) + return -EMSGSIZE; + /* Credential */ + *p++ = rpc_auth_null; + *p++ = xdr_zero; + /* Verifier */ + *p++ = rpc_auth_null; + *p = xdr_zero; + return 0; } /* @@ -80,25 +86,19 @@ nul_refresh(struct rpc_task *task) return 0; } -static __be32 * -nul_validate(struct rpc_task *task, __be32 *p) +static int +nul_validate(struct rpc_task *task, struct xdr_stream *xdr) { - rpc_authflavor_t flavor; - u32 size; - - flavor = ntohl(*p++); - if (flavor != RPC_AUTH_NULL) { - printk("RPC: bad verf flavor: %u\n", flavor); - return ERR_PTR(-EIO); - } - - size = ntohl(*p++); - if (size != 0) { - printk("RPC: bad verf size: %u\n", size); - return ERR_PTR(-EIO); - } - - return p; + __be32 *p; + + p = xdr_inline_decode(xdr, 2 * sizeof(*p)); + if (!p) + return -EIO; + if (*p++ != rpc_auth_null) + return -EIO; + if (*p != xdr_zero) + return -EIO; + return 0; } const struct rpc_authops authnull_ops = { @@ -114,6 +114,8 @@ static struct rpc_auth null_auth = { .au_cslack = NUL_CALLSLACK, .au_rslack = NUL_REPLYSLACK, + .au_verfsize = NUL_REPLYSLACK, + .au_ralign = NUL_REPLYSLACK, .au_ops = &authnull_ops, .au_flavor = RPC_AUTH_NULL, .au_count = REFCOUNT_INIT(1), @@ -125,8 +127,10 @@ const struct rpc_credops null_credops = { .crdestroy = nul_destroy_cred, .crmatch = nul_match, .crmarshal = nul_marshal, + .crwrap_req = rpcauth_wrap_req_encode, .crrefresh = nul_refresh, .crvalidate = nul_validate, + .crunwrap_resp = rpcauth_unwrap_resp_decode, }; static |