b6cbf7203b
This patch imports the unmodified current version of NetBSD libc. The NetBSD includes are in /nbsd_include, while the libc code itself is split between lib/nbsd_libc and common/lib/libc.
332 lines
8.1 KiB
C
332 lines
8.1 KiB
C
/* $NetBSD: clnt_raw.c,v 1.29 2008/04/25 17:44:44 christos Exp $ */
|
|
|
|
/*
|
|
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
|
|
* unrestricted use provided that this legend is included on all tape
|
|
* media and as a part of the software program in whole or part. Users
|
|
* may copy or modify Sun RPC without charge, but are not authorized
|
|
* to license or distribute it to anyone else except as part of a product or
|
|
* program developed by the user.
|
|
*
|
|
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
|
|
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
|
|
*
|
|
* Sun RPC is provided with no support and without any obligation on the
|
|
* part of Sun Microsystems, Inc. to assist in its use, correction,
|
|
* modification or enhancement.
|
|
*
|
|
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
|
|
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
|
|
* OR ANY PART THEREOF.
|
|
*
|
|
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
|
|
* or profits or other special, indirect and consequential damages, even if
|
|
* Sun has been advised of the possibility of such damages.
|
|
*
|
|
* Sun Microsystems, Inc.
|
|
* 2550 Garcia Avenue
|
|
* Mountain View, California 94043
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
|
#if 0
|
|
static char *sccsid = "@(#)clnt_raw.c 1.22 87/08/11 Copyr 1984 Sun Micro";
|
|
static char *sccsid = "@(#)clnt_raw.c 2.2 88/08/01 4.0 RPCSRC";
|
|
#else
|
|
__RCSID("$NetBSD: clnt_raw.c,v 1.29 2008/04/25 17:44:44 christos Exp $");
|
|
#endif
|
|
#endif
|
|
|
|
/*
|
|
* clnt_raw.c
|
|
*
|
|
* Copyright (C) 1984, Sun Microsystems, Inc.
|
|
*
|
|
* Memory based rpc for simple testing and timing.
|
|
* Interface to create an rpc client and server in the same process.
|
|
* This lets us similate rpc and get round trip overhead, without
|
|
* any interference from the kernel.
|
|
*/
|
|
|
|
#include "namespace.h"
|
|
#include "reentrant.h"
|
|
#include <assert.h>
|
|
#include <err.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include <rpc/rpc.h>
|
|
#include <rpc/raw.h>
|
|
|
|
#ifdef __weak_alias
|
|
__weak_alias(clntraw_create,_clntraw_create)
|
|
__weak_alias(clnt_raw_create,_clnt_raw_create)
|
|
#endif
|
|
|
|
#ifdef _REENTRANT
|
|
extern mutex_t clntraw_lock;
|
|
#endif
|
|
|
|
#define MCALL_MSG_SIZE 24
|
|
|
|
/*
|
|
* This is the "network" we will be moving stuff over.
|
|
*/
|
|
static struct clntraw_private {
|
|
CLIENT client_object;
|
|
XDR xdr_stream;
|
|
char *_raw_buf;
|
|
union {
|
|
struct rpc_msg mashl_rpcmsg;
|
|
char mashl_callmsg[MCALL_MSG_SIZE];
|
|
} u;
|
|
u_int mcnt;
|
|
} *clntraw_private;
|
|
|
|
static enum clnt_stat clnt_raw_call __P((CLIENT *, rpcproc_t, xdrproc_t,
|
|
const char *, xdrproc_t, caddr_t, struct timeval));
|
|
static void clnt_raw_geterr __P((CLIENT *, struct rpc_err *));
|
|
static bool_t clnt_raw_freeres __P((CLIENT *, xdrproc_t, caddr_t));
|
|
static void clnt_raw_abort __P((CLIENT *));
|
|
static bool_t clnt_raw_control __P((CLIENT *, u_int, char *));
|
|
static void clnt_raw_destroy __P((CLIENT *));
|
|
static struct clnt_ops *clnt_raw_ops __P((void));
|
|
|
|
/*
|
|
* Create a client handle for memory based rpc.
|
|
*/
|
|
CLIENT *
|
|
clnt_raw_create(prog, vers)
|
|
rpcprog_t prog;
|
|
rpcvers_t vers;
|
|
{
|
|
struct clntraw_private *clp = clntraw_private;
|
|
struct rpc_msg call_msg;
|
|
XDR *xdrs = &clp->xdr_stream;
|
|
CLIENT *client = &clp->client_object;
|
|
|
|
mutex_lock(&clntraw_lock);
|
|
if (clp == NULL) {
|
|
clp = calloc((size_t)1, sizeof (*clp));
|
|
if (clp == NULL)
|
|
goto out;
|
|
if (__rpc_rawcombuf == NULL)
|
|
__rpc_rawcombuf =
|
|
malloc(UDPMSGSIZE);
|
|
if (__rpc_rawcombuf == NULL)
|
|
goto out;
|
|
clp->_raw_buf = __rpc_rawcombuf;
|
|
clntraw_private = clp;
|
|
}
|
|
/*
|
|
* pre-serialize the static part of the call msg and stash it away
|
|
*/
|
|
call_msg.rm_direction = CALL;
|
|
call_msg.rm_call.cb_rpcvers = RPC_MSG_VERSION;
|
|
/* XXX: prog and vers have been long historically :-( */
|
|
call_msg.rm_call.cb_prog = (u_int32_t)prog;
|
|
call_msg.rm_call.cb_vers = (u_int32_t)vers;
|
|
xdrmem_create(xdrs, clp->u.mashl_callmsg, MCALL_MSG_SIZE, XDR_ENCODE);
|
|
if (! xdr_callhdr(xdrs, &call_msg))
|
|
warnx("clntraw_create - Fatal header serialization error.");
|
|
clp->mcnt = XDR_GETPOS(xdrs);
|
|
XDR_DESTROY(xdrs);
|
|
|
|
/*
|
|
* Set xdrmem for client/server shared buffer
|
|
*/
|
|
xdrmem_create(xdrs, clp->_raw_buf, UDPMSGSIZE, XDR_FREE);
|
|
|
|
/*
|
|
* create client handle
|
|
*/
|
|
client->cl_ops = clnt_raw_ops();
|
|
client->cl_auth = authnone_create();
|
|
mutex_unlock(&clntraw_lock);
|
|
return (client);
|
|
out:
|
|
if (clp)
|
|
free(clp);
|
|
mutex_unlock(&clntraw_lock);
|
|
return NULL;
|
|
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
static enum clnt_stat
|
|
clnt_raw_call(h, proc, xargs, argsp, xresults, resultsp, timeout)
|
|
CLIENT *h;
|
|
rpcproc_t proc;
|
|
xdrproc_t xargs;
|
|
const char *argsp;
|
|
xdrproc_t xresults;
|
|
caddr_t resultsp;
|
|
struct timeval timeout;
|
|
{
|
|
struct clntraw_private *clp = clntraw_private;
|
|
XDR *xdrs = &clp->xdr_stream;
|
|
struct rpc_msg msg;
|
|
enum clnt_stat status;
|
|
struct rpc_err error;
|
|
|
|
_DIAGASSERT(h != NULL);
|
|
|
|
mutex_lock(&clntraw_lock);
|
|
if (clp == NULL) {
|
|
mutex_unlock(&clntraw_lock);
|
|
return (RPC_FAILED);
|
|
}
|
|
mutex_unlock(&clntraw_lock);
|
|
|
|
call_again:
|
|
/*
|
|
* send request
|
|
*/
|
|
xdrs->x_op = XDR_ENCODE;
|
|
XDR_SETPOS(xdrs, 0);
|
|
clp->u.mashl_rpcmsg.rm_xid ++ ;
|
|
if ((! XDR_PUTBYTES(xdrs, clp->u.mashl_callmsg, clp->mcnt)) ||
|
|
(! XDR_PUTINT32(xdrs, (int32_t *)&proc)) ||
|
|
(! AUTH_MARSHALL(h->cl_auth, xdrs)) ||
|
|
(! (*xargs)(xdrs, __UNCONST(argsp)))) {
|
|
return (RPC_CANTENCODEARGS);
|
|
}
|
|
(void)XDR_GETPOS(xdrs); /* called just to cause overhead */
|
|
|
|
/*
|
|
* We have to call server input routine here because this is
|
|
* all going on in one process. Yuk.
|
|
*/
|
|
svc_getreq_common(FD_SETSIZE);
|
|
|
|
/*
|
|
* get results
|
|
*/
|
|
xdrs->x_op = XDR_DECODE;
|
|
XDR_SETPOS(xdrs, 0);
|
|
msg.acpted_rply.ar_verf = _null_auth;
|
|
msg.acpted_rply.ar_results.where = resultsp;
|
|
msg.acpted_rply.ar_results.proc = xresults;
|
|
if (! xdr_replymsg(xdrs, &msg)) {
|
|
/*
|
|
* It's possible for xdr_replymsg() to fail partway
|
|
* through its attempt to decode the result from the
|
|
* server. If this happens, it will leave the reply
|
|
* structure partially populated with dynamically
|
|
* allocated memory. (This can happen if someone uses
|
|
* clntudp_bufcreate() to create a CLIENT handle and
|
|
* specifies a receive buffer size that is too small.)
|
|
* This memory must be free()ed to avoid a leak.
|
|
*/
|
|
int op = xdrs->x_op;
|
|
xdrs->x_op = XDR_FREE;
|
|
xdr_replymsg(xdrs, &msg);
|
|
xdrs->x_op = op;
|
|
return (RPC_CANTDECODERES);
|
|
}
|
|
_seterr_reply(&msg, &error);
|
|
status = error.re_status;
|
|
|
|
if (status == RPC_SUCCESS) {
|
|
if (! AUTH_VALIDATE(h->cl_auth, &msg.acpted_rply.ar_verf)) {
|
|
status = RPC_AUTHERROR;
|
|
}
|
|
} /* end successful completion */
|
|
else {
|
|
if (AUTH_REFRESH(h->cl_auth))
|
|
goto call_again;
|
|
} /* end of unsuccessful completion */
|
|
|
|
if (status == RPC_SUCCESS) {
|
|
if (! AUTH_VALIDATE(h->cl_auth, &msg.acpted_rply.ar_verf)) {
|
|
status = RPC_AUTHERROR;
|
|
}
|
|
if (msg.acpted_rply.ar_verf.oa_base != NULL) {
|
|
xdrs->x_op = XDR_FREE;
|
|
(void)xdr_opaque_auth(xdrs, &(msg.acpted_rply.ar_verf));
|
|
}
|
|
}
|
|
|
|
return (status);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
static void
|
|
clnt_raw_geterr(cl, error)
|
|
CLIENT *cl;
|
|
struct rpc_err *error;
|
|
{
|
|
}
|
|
|
|
|
|
/* ARGSUSED */
|
|
static bool_t
|
|
clnt_raw_freeres(cl, xdr_res, res_ptr)
|
|
CLIENT *cl;
|
|
xdrproc_t xdr_res;
|
|
caddr_t res_ptr;
|
|
{
|
|
struct clntraw_private *clp = clntraw_private;
|
|
XDR *xdrs = &clp->xdr_stream;
|
|
bool_t rval;
|
|
|
|
mutex_lock(&clntraw_lock);
|
|
if (clp == NULL) {
|
|
rval = (bool_t) RPC_FAILED;
|
|
mutex_unlock(&clntraw_lock);
|
|
return (rval);
|
|
}
|
|
mutex_unlock(&clntraw_lock);
|
|
xdrs->x_op = XDR_FREE;
|
|
return ((*xdr_res)(xdrs, res_ptr));
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
static void
|
|
clnt_raw_abort(cl)
|
|
CLIENT *cl;
|
|
{
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
static bool_t
|
|
clnt_raw_control(cl, ui, str)
|
|
CLIENT *cl;
|
|
u_int ui;
|
|
char *str;
|
|
{
|
|
return (FALSE);
|
|
}
|
|
|
|
/*ARGSUSED*/
|
|
static void
|
|
clnt_raw_destroy(cl)
|
|
CLIENT *cl;
|
|
{
|
|
}
|
|
|
|
static struct clnt_ops *
|
|
clnt_raw_ops()
|
|
{
|
|
static struct clnt_ops ops;
|
|
#ifdef _REENTRANT
|
|
extern mutex_t ops_lock;
|
|
#endif
|
|
|
|
/* VARIABLES PROTECTED BY ops_lock: ops */
|
|
|
|
mutex_lock(&ops_lock);
|
|
if (ops.cl_call == NULL) {
|
|
ops.cl_call = clnt_raw_call;
|
|
ops.cl_abort = clnt_raw_abort;
|
|
ops.cl_geterr = clnt_raw_geterr;
|
|
ops.cl_freeres = clnt_raw_freeres;
|
|
ops.cl_destroy = clnt_raw_destroy;
|
|
ops.cl_control = clnt_raw_control;
|
|
}
|
|
mutex_unlock(&ops_lock);
|
|
return (&ops);
|
|
}
|