mirror of
https://github.com/freebsd/freebsd-src
synced 2024-09-06 17:18:32 +00:00
135 lines
5.2 KiB
C
135 lines
5.2 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*
|
|
* Copyright (c) 2009, Sun Microsystems, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
* - Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
* - Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
* - Neither the name of Sun Microsystems, Inc. nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
|
|
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef _RPC_KRPC_H_
|
|
#define _RPC_KRPC_H_
|
|
|
|
#ifdef _KERNEL
|
|
/*
|
|
* Definitions now shared between client and server RPC for backchannels.
|
|
*/
|
|
#define MCALL_MSG_SIZE 24
|
|
|
|
void clnt_bck_svccall(void *, struct mbuf *, uint32_t);
|
|
enum clnt_stat clnt_bck_call(CLIENT *, struct rpc_callextra *, rpcproc_t,
|
|
struct mbuf *, struct mbuf **, struct timeval, SVCXPRT *);
|
|
struct mbuf *_rpc_copym_into_ext_pgs(struct mbuf *, int);
|
|
|
|
/*
|
|
* A pending RPC request which awaits a reply. Requests which have
|
|
* received their reply will have cr_xid set to zero and cr_mrep to
|
|
* the mbuf chain of the reply.
|
|
*/
|
|
struct ct_request {
|
|
TAILQ_ENTRY(ct_request) cr_link;
|
|
uint32_t cr_xid; /* XID of request */
|
|
struct mbuf *cr_mrep; /* reply received by upcall */
|
|
int cr_error; /* any error from upcall */
|
|
char cr_verf[MAX_AUTH_BYTES]; /* reply verf */
|
|
};
|
|
|
|
TAILQ_HEAD(ct_request_list, ct_request);
|
|
|
|
struct rc_data {
|
|
struct mtx rc_lock;
|
|
struct sockaddr_storage rc_addr; /* server address */
|
|
struct netconfig* rc_nconf; /* network type */
|
|
rpcprog_t rc_prog; /* program number */
|
|
rpcvers_t rc_vers; /* version number */
|
|
size_t rc_sendsz;
|
|
size_t rc_recvsz;
|
|
struct timeval rc_timeout;
|
|
struct timeval rc_retry;
|
|
int rc_retries;
|
|
int rc_privport;
|
|
char *rc_waitchan;
|
|
int rc_intr;
|
|
int rc_connecting;
|
|
int rc_closed;
|
|
struct ucred *rc_ucred;
|
|
CLIENT* rc_client; /* underlying RPC client */
|
|
struct rpc_err rc_err;
|
|
void *rc_backchannel;
|
|
bool rc_tls; /* Enable TLS on connection */
|
|
char *rc_tlscertname;
|
|
void (*rc_reconcall)(CLIENT *, void *,
|
|
struct ucred *); /* reconection upcall */
|
|
void *rc_reconarg; /* upcall arg */
|
|
};
|
|
|
|
/* Bits for ct_rcvstate. */
|
|
#define RPCRCVSTATE_NORMAL 0x01 /* Normal reception. */
|
|
#define RPCRCVSTATE_NONAPPDATA 0x02 /* Reception of a non-application record. */
|
|
#define RPCRCVSTATE_TLSHANDSHAKE 0x04 /* Reception blocked for TLS handshake. */
|
|
#define RPCRCVSTATE_UPCALLNEEDED 0x08 /* Upcall to rpctlscd needed. */
|
|
#define RPCRCVSTATE_UPCALLINPROG 0x10 /* Upcall to rpctlscd in progress. */
|
|
#define RPCRCVSTATE_SOUPCALLNEEDED 0x20 /* Socket upcall needed. */
|
|
#define RPCRCVSTATE_UPCALLTHREAD 0x40 /* Upcall kthread running. */
|
|
|
|
struct ct_data {
|
|
struct mtx ct_lock;
|
|
int ct_threads; /* number of threads in clnt_vc_call */
|
|
bool_t ct_closing; /* TRUE if we are closing */
|
|
bool_t ct_closed; /* TRUE if we are closed */
|
|
struct socket *ct_socket; /* connection socket */
|
|
bool_t ct_closeit; /* close it on destroy */
|
|
struct timeval ct_wait; /* wait interval in milliseconds */
|
|
struct sockaddr_storage ct_addr; /* remote addr */
|
|
struct rpc_err ct_error;
|
|
uint32_t ct_xid;
|
|
char ct_mcallc[MCALL_MSG_SIZE]; /* marshalled callmsg */
|
|
size_t ct_mpos; /* pos after marshal */
|
|
const char *ct_waitchan;
|
|
int ct_waitflag;
|
|
struct mbuf *ct_record; /* current reply record */
|
|
size_t ct_record_resid; /* how much left of reply to read */
|
|
bool_t ct_record_eor; /* true if reading last fragment */
|
|
struct ct_request_list ct_pending;
|
|
int ct_upcallrefs; /* Ref cnt of upcalls in prog. */
|
|
SVCXPRT *ct_backchannelxprt; /* xprt for backchannel */
|
|
uint64_t ct_sslsec; /* RPC-over-TLS connection. */
|
|
uint64_t ct_sslusec;
|
|
uint64_t ct_sslrefno;
|
|
uint32_t ct_rcvstate; /* Handle receiving for TLS upcalls */
|
|
struct mbuf *ct_raw; /* Raw mbufs recv'd */
|
|
};
|
|
|
|
struct cf_conn { /* kept in xprt->xp_p1 for actual connection */
|
|
enum xprt_stat strm_stat;
|
|
struct mbuf *mpending; /* unparsed data read from the socket */
|
|
struct mbuf *mreq; /* current record being built from mpending */
|
|
uint32_t resid; /* number of bytes needed for fragment */
|
|
bool_t eor; /* reading last fragment of current record */
|
|
};
|
|
|
|
#endif /* _KERNEL */
|
|
|
|
#endif /* _RPC_KRPC_H_ */
|