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SUNRPC: Use struct xdr_stream when decoding RPC Reply header

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Modernize and harden the code path that parses an RPC Reply
message.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Chuck Lever 2019-02-11 11:24:58 -05:00 • committed by Anna Schumaker
parent 7f5667a5f8
commit a0584ee9ae
7 changed files with 241 additions and 199 deletions
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15
include/linux/sunrpc/auth.h
View file

@ -134,11 +134,12 @@ struct rpc_credops {
int (*crmarshal)(struct rpc_task *task,
struct xdr_stream *xdr);
int (*crrefresh)(struct rpc_task *);
__be32 * (*crvalidate)(struct rpc_task *, __be32 *);
int (*crvalidate)(struct rpc_task *task,
struct xdr_stream *xdr);
int (*crwrap_req)(struct rpc_task *task,
struct xdr_stream *xdr);
int (*crunwrap_resp)(struct rpc_task *, kxdrdproc_t,
void *, __be32 *, void *);
int (*crunwrap_resp)(struct rpc_task *task,
struct xdr_stream *xdr);
int (*crkey_timeout)(struct rpc_cred *);
char * (*crstringify_acceptor)(struct rpc_cred *);
bool (*crneed_reencode)(struct rpc_task *);
@ -168,12 +169,16 @@ struct rpc_cred * rpcauth_lookupcred(struct rpc_auth *, int);
void put_rpccred(struct rpc_cred *);
int rpcauth_marshcred(struct rpc_task *task,
struct xdr_stream *xdr);
__be32 * rpcauth_checkverf(struct rpc_task *, __be32 *);
int rpcauth_checkverf(struct rpc_task *task,
struct xdr_stream *xdr);
int rpcauth_wrap_req_encode(struct rpc_task *task,
struct xdr_stream *xdr);
int rpcauth_wrap_req(struct rpc_task *task,
struct xdr_stream *xdr);
int rpcauth_unwrap_resp(struct rpc_task *task, kxdrdproc_t decode, void *rqstp, __be32 *data, void *obj);
int rpcauth_unwrap_resp_decode(struct rpc_task *task,
struct xdr_stream *xdr);
int rpcauth_unwrap_resp(struct rpc_task *task,
struct xdr_stream *xdr);
bool rpcauth_xmit_need_reencode(struct rpc_task *task);
int rpcauth_refreshcred(struct rpc_task *);
void rpcauth_invalcred(struct rpc_task *);