clnt_bcast.c revision 261046
1/* $NetBSD: clnt_bcast.c,v 1.3 2000/07/06 03:05:20 christos Exp $ */ 2 3/*- 4 * Copyright (c) 2009, Sun Microsystems, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions are met: 9 * - Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * - Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation 13 * and/or other materials provided with the distribution. 14 * - Neither the name of Sun Microsystems, Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived 16 * from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30/* 31 * Copyright (c) 1986-1991 by Sun Microsystems Inc. 32 */ 33 34#if defined(LIBC_SCCS) && !defined(lint) 35#ident "@(#)clnt_bcast.c 1.18 94/05/03 SMI" 36static char sccsid[] = "@(#)clnt_bcast.c 1.15 89/04/21 Copyr 1988 Sun Micro"; 37#endif 38#include <sys/cdefs.h> 39__FBSDID("$FreeBSD: stable/10/lib/libc/rpc/clnt_bcast.c 261046 2014-01-22 23:45:27Z mav $"); 40 41 42/* 43 * clnt_bcast.c 44 * Client interface to broadcast service. 45 * 46 * Copyright (C) 1988, Sun Microsystems, Inc. 47 * 48 * The following is kludged-up support for simple rpc broadcasts. 49 * Someday a large, complicated system will replace these routines. 50 */ 51 52#include "namespace.h" 53#include <sys/types.h> 54#include <sys/socket.h> 55#include <sys/queue.h> 56#include <net/if.h> 57#include <netinet/in.h> 58#include <ifaddrs.h> 59#include <sys/poll.h> 60#include <rpc/rpc.h> 61#ifdef PORTMAP 62#include <rpc/pmap_prot.h> 63#include <rpc/pmap_clnt.h> 64#include <rpc/pmap_rmt.h> 65#endif /* PORTMAP */ 66#include <rpc/nettype.h> 67#include <arpa/inet.h> 68#ifdef RPC_DEBUG 69#include <stdio.h> 70#endif 71#include <errno.h> 72#include <stdlib.h> 73#include <unistd.h> 74#include <netdb.h> 75#include <err.h> 76#include <string.h> 77#include "un-namespace.h" 78 79#include "rpc_com.h" 80 81#define MAXBCAST 20 /* Max no of broadcasting transports */ 82#define INITTIME 4000 /* Time to wait initially */ 83#define WAITTIME 8000 /* Maximum time to wait */ 84 85/* 86 * If nettype is NULL, it broadcasts on all the available 87 * datagram_n transports. May potentially lead to broadacst storms 88 * and hence should be used with caution, care and courage. 89 * 90 * The current parameter xdr packet size is limited by the max tsdu 91 * size of the transport. If the max tsdu size of any transport is 92 * smaller than the parameter xdr packet, then broadcast is not 93 * sent on that transport. 94 * 95 * Also, the packet size should be less the packet size of 96 * the data link layer (for ethernet it is 1400 bytes). There is 97 * no easy way to find out the max size of the data link layer and 98 * we are assuming that the args would be smaller than that. 99 * 100 * The result size has to be smaller than the transport tsdu size. 101 * 102 * If PORTMAP has been defined, we send two packets for UDP, one for 103 * rpcbind and one for portmap. For those machines which support 104 * both rpcbind and portmap, it will cause them to reply twice, and 105 * also here it will get two responses ... inefficient and clumsy. 106 */ 107 108struct broadif { 109 int index; 110 struct sockaddr_storage broadaddr; 111 TAILQ_ENTRY(broadif) link; 112}; 113 114typedef TAILQ_HEAD(, broadif) broadlist_t; 115 116int __rpc_getbroadifs(int, int, int, broadlist_t *); 117void __rpc_freebroadifs(broadlist_t *); 118int __rpc_broadenable(int, int, struct broadif *); 119 120int __rpc_lowvers = 0; 121 122int 123__rpc_getbroadifs(int af, int proto, int socktype, broadlist_t *list) 124{ 125 int count = 0; 126 struct broadif *bip; 127 struct ifaddrs *ifap, *ifp; 128#ifdef INET6 129 struct sockaddr_in6 *sin6; 130#endif 131 struct sockaddr_in *sin; 132 struct addrinfo hints, *res; 133 134 if (getifaddrs(&ifp) < 0) 135 return 0; 136 137 memset(&hints, 0, sizeof hints); 138 139 hints.ai_family = af; 140 hints.ai_protocol = proto; 141 hints.ai_socktype = socktype; 142 143 if (getaddrinfo(NULL, "sunrpc", &hints, &res) != 0) { 144 freeifaddrs(ifp); 145 return 0; 146 } 147 148 for (ifap = ifp; ifap != NULL; ifap = ifap->ifa_next) { 149 if (ifap->ifa_addr->sa_family != af || 150 !(ifap->ifa_flags & IFF_UP)) 151 continue; 152 bip = (struct broadif *)malloc(sizeof *bip); 153 if (bip == NULL) 154 break; 155 bip->index = if_nametoindex(ifap->ifa_name); 156 if ( 157#ifdef INET6 158 af != AF_INET6 && 159#endif 160 (ifap->ifa_flags & IFF_BROADCAST) && 161 ifap->ifa_broadaddr) { 162 memcpy(&bip->broadaddr, ifap->ifa_broadaddr, 163 (size_t)ifap->ifa_broadaddr->sa_len); 164 sin = (struct sockaddr_in *)(void *)&bip->broadaddr; 165 sin->sin_port = 166 ((struct sockaddr_in *) 167 (void *)res->ai_addr)->sin_port; 168 } else 169#ifdef INET6 170 if (af == AF_INET6 && (ifap->ifa_flags & IFF_MULTICAST)) { 171 sin6 = (struct sockaddr_in6 *)(void *)&bip->broadaddr; 172 inet_pton(af, RPCB_MULTICAST_ADDR, &sin6->sin6_addr); 173 sin6->sin6_family = af; 174 sin6->sin6_len = sizeof *sin6; 175 sin6->sin6_port = 176 ((struct sockaddr_in6 *) 177 (void *)res->ai_addr)->sin6_port; 178 sin6->sin6_scope_id = bip->index; 179 } else 180#endif 181 { 182 free(bip); 183 continue; 184 } 185 TAILQ_INSERT_TAIL(list, bip, link); 186 count++; 187 } 188 freeifaddrs(ifp); 189 freeaddrinfo(res); 190 191 return count; 192} 193 194void 195__rpc_freebroadifs(broadlist_t *list) 196{ 197 struct broadif *bip, *next; 198 199 bip = TAILQ_FIRST(list); 200 201 while (bip != NULL) { 202 next = TAILQ_NEXT(bip, link); 203 free(bip); 204 bip = next; 205 } 206} 207 208int 209/*ARGSUSED*/ 210__rpc_broadenable(int af, int s, struct broadif *bip) 211{ 212 int o = 1; 213 214#if 0 215 if (af == AF_INET6) { 216 fprintf(stderr, "set v6 multicast if to %d\n", bip->index); 217 if (_setsockopt(s, IPPROTO_IPV6, IPV6_MULTICAST_IF, &bip->index, 218 sizeof bip->index) < 0) 219 return -1; 220 } else 221#endif 222 if (_setsockopt(s, SOL_SOCKET, SO_BROADCAST, &o, sizeof o) < 0) 223 return -1; 224 225 return 0; 226} 227 228 229enum clnt_stat 230rpc_broadcast_exp(prog, vers, proc, xargs, argsp, xresults, resultsp, 231 eachresult, inittime, waittime, nettype) 232 rpcprog_t prog; /* program number */ 233 rpcvers_t vers; /* version number */ 234 rpcproc_t proc; /* procedure number */ 235 xdrproc_t xargs; /* xdr routine for args */ 236 caddr_t argsp; /* pointer to args */ 237 xdrproc_t xresults; /* xdr routine for results */ 238 caddr_t resultsp; /* pointer to results */ 239 resultproc_t eachresult; /* call with each result obtained */ 240 int inittime; /* how long to wait initially */ 241 int waittime; /* maximum time to wait */ 242 const char *nettype; /* transport type */ 243{ 244 enum clnt_stat stat = RPC_SUCCESS; /* Return status */ 245 XDR xdr_stream; /* XDR stream */ 246 XDR *xdrs = &xdr_stream; 247 struct rpc_msg msg; /* RPC message */ 248 struct timeval t; 249 char *outbuf = NULL; /* Broadcast msg buffer */ 250 char *inbuf = NULL; /* Reply buf */ 251 int inlen; 252 u_int maxbufsize = 0; 253 AUTH *sys_auth = authunix_create_default(); 254 int i; 255 void *handle; 256 char uaddress[1024]; /* A self imposed limit */ 257 char *uaddrp = uaddress; 258 int pmap_reply_flag; /* reply recvd from PORTMAP */ 259 /* An array of all the suitable broadcast transports */ 260 struct { 261 int fd; /* File descriptor */ 262 int af; 263 int proto; 264 struct netconfig *nconf; /* Netconfig structure */ 265 u_int asize; /* Size of the addr buf */ 266 u_int dsize; /* Size of the data buf */ 267 struct sockaddr_storage raddr; /* Remote address */ 268 broadlist_t nal; 269 } fdlist[MAXBCAST]; 270 struct pollfd pfd[MAXBCAST]; 271 size_t fdlistno = 0; 272 struct r_rpcb_rmtcallargs barg; /* Remote arguments */ 273 struct r_rpcb_rmtcallres bres; /* Remote results */ 274 size_t outlen; 275 struct netconfig *nconf; 276 int msec; 277 int pollretval; 278 int fds_found; 279 280#ifdef PORTMAP 281 size_t outlen_pmap = 0; 282 u_long port; /* Remote port number */ 283 int pmap_flag = 0; /* UDP exists ? */ 284 char *outbuf_pmap = NULL; 285 struct rmtcallargs barg_pmap; /* Remote arguments */ 286 struct rmtcallres bres_pmap; /* Remote results */ 287 u_int udpbufsz = 0; 288#endif /* PORTMAP */ 289 290 if (sys_auth == NULL) { 291 return (RPC_SYSTEMERROR); 292 } 293 /* 294 * initialization: create a fd, a broadcast address, and send the 295 * request on the broadcast transport. 296 * Listen on all of them and on replies, call the user supplied 297 * function. 298 */ 299 300 if (nettype == NULL) 301 nettype = "datagram_n"; 302 if ((handle = __rpc_setconf(nettype)) == NULL) { 303 AUTH_DESTROY(sys_auth); 304 return (RPC_UNKNOWNPROTO); 305 } 306 while ((nconf = __rpc_getconf(handle)) != NULL) { 307 int fd; 308 struct __rpc_sockinfo si; 309 310 if (nconf->nc_semantics != NC_TPI_CLTS) 311 continue; 312 if (fdlistno >= MAXBCAST) 313 break; /* No more slots available */ 314 if (!__rpc_nconf2sockinfo(nconf, &si)) 315 continue; 316 317 TAILQ_INIT(&fdlist[fdlistno].nal); 318 if (__rpc_getbroadifs(si.si_af, si.si_proto, si.si_socktype, 319 &fdlist[fdlistno].nal) == 0) 320 continue; 321 322 fd = _socket(si.si_af, si.si_socktype, si.si_proto); 323 if (fd < 0) { 324 stat = RPC_CANTSEND; 325 continue; 326 } 327 fdlist[fdlistno].af = si.si_af; 328 fdlist[fdlistno].proto = si.si_proto; 329 fdlist[fdlistno].fd = fd; 330 fdlist[fdlistno].nconf = nconf; 331 fdlist[fdlistno].asize = __rpc_get_a_size(si.si_af); 332 pfd[fdlistno].events = POLLIN | POLLPRI | 333 POLLRDNORM | POLLRDBAND; 334 pfd[fdlistno].fd = fdlist[fdlistno].fd = fd; 335 fdlist[fdlistno].dsize = __rpc_get_t_size(si.si_af, si.si_proto, 336 0); 337 338 if (maxbufsize <= fdlist[fdlistno].dsize) 339 maxbufsize = fdlist[fdlistno].dsize; 340 341#ifdef PORTMAP 342 if (si.si_af == AF_INET && si.si_proto == IPPROTO_UDP) { 343 udpbufsz = fdlist[fdlistno].dsize; 344 if ((outbuf_pmap = malloc(udpbufsz)) == NULL) { 345 _close(fd); 346 stat = RPC_SYSTEMERROR; 347 goto done_broad; 348 } 349 pmap_flag = 1; 350 } 351#endif /* PORTMAP */ 352 fdlistno++; 353 } 354 355 if (fdlistno == 0) { 356 if (stat == RPC_SUCCESS) 357 stat = RPC_UNKNOWNPROTO; 358 goto done_broad; 359 } 360 if (maxbufsize == 0) { 361 if (stat == RPC_SUCCESS) 362 stat = RPC_CANTSEND; 363 goto done_broad; 364 } 365 inbuf = malloc(maxbufsize); 366 outbuf = malloc(maxbufsize); 367 if ((inbuf == NULL) || (outbuf == NULL)) { 368 stat = RPC_SYSTEMERROR; 369 goto done_broad; 370 } 371 372 /* Serialize all the arguments which have to be sent */ 373 (void) gettimeofday(&t, NULL); 374 msg.rm_xid = __RPC_GETXID(&t); 375 msg.rm_direction = CALL; 376 msg.rm_call.cb_rpcvers = RPC_MSG_VERSION; 377 msg.rm_call.cb_prog = RPCBPROG; 378 msg.rm_call.cb_vers = RPCBVERS; 379 msg.rm_call.cb_proc = RPCBPROC_CALLIT; 380 barg.prog = prog; 381 barg.vers = vers; 382 barg.proc = proc; 383 barg.args.args_val = argsp; 384 barg.xdr_args = xargs; 385 bres.addr = uaddrp; 386 bres.results.results_val = resultsp; 387 bres.xdr_res = xresults; 388 msg.rm_call.cb_cred = sys_auth->ah_cred; 389 msg.rm_call.cb_verf = sys_auth->ah_verf; 390 xdrmem_create(xdrs, outbuf, maxbufsize, XDR_ENCODE); 391 if ((!xdr_callmsg(xdrs, &msg)) || 392 (!xdr_rpcb_rmtcallargs(xdrs, 393 (struct rpcb_rmtcallargs *)(void *)&barg))) { 394 stat = RPC_CANTENCODEARGS; 395 goto done_broad; 396 } 397 outlen = xdr_getpos(xdrs); 398 xdr_destroy(xdrs); 399 400#ifdef PORTMAP 401 /* Prepare the packet for version 2 PORTMAP */ 402 if (pmap_flag) { 403 msg.rm_xid++; /* One way to distinguish */ 404 msg.rm_call.cb_prog = PMAPPROG; 405 msg.rm_call.cb_vers = PMAPVERS; 406 msg.rm_call.cb_proc = PMAPPROC_CALLIT; 407 barg_pmap.prog = prog; 408 barg_pmap.vers = vers; 409 barg_pmap.proc = proc; 410 barg_pmap.args_ptr = argsp; 411 barg_pmap.xdr_args = xargs; 412 bres_pmap.port_ptr = &port; 413 bres_pmap.xdr_results = xresults; 414 bres_pmap.results_ptr = resultsp; 415 xdrmem_create(xdrs, outbuf_pmap, udpbufsz, XDR_ENCODE); 416 if ((! xdr_callmsg(xdrs, &msg)) || 417 (! xdr_rmtcall_args(xdrs, &barg_pmap))) { 418 stat = RPC_CANTENCODEARGS; 419 goto done_broad; 420 } 421 outlen_pmap = xdr_getpos(xdrs); 422 xdr_destroy(xdrs); 423 } 424#endif /* PORTMAP */ 425 426 /* 427 * Basic loop: broadcast the packets to transports which 428 * support data packets of size such that one can encode 429 * all the arguments. 430 * Wait a while for response(s). 431 * The response timeout grows larger per iteration. 432 */ 433 for (msec = inittime; msec <= waittime; msec += msec) { 434 struct broadif *bip; 435 436 /* Broadcast all the packets now */ 437 for (i = 0; i < fdlistno; i++) { 438 if (fdlist[i].dsize < outlen) { 439 stat = RPC_CANTSEND; 440 continue; 441 } 442 for (bip = TAILQ_FIRST(&fdlist[i].nal); bip != NULL; 443 bip = TAILQ_NEXT(bip, link)) { 444 void *addr; 445 446 addr = &bip->broadaddr; 447 448 __rpc_broadenable(fdlist[i].af, fdlist[i].fd, 449 bip); 450 451 /* 452 * Only use version 3 if lowvers is not set 453 */ 454 455 if (!__rpc_lowvers) 456 if (_sendto(fdlist[i].fd, outbuf, 457 outlen, 0, (struct sockaddr*)addr, 458 (size_t)fdlist[i].asize) != 459 outlen) { 460#ifdef RPC_DEBUG 461 perror("sendto"); 462#endif 463 warnx("clnt_bcast: cannot send " 464 "broadcast packet"); 465 stat = RPC_CANTSEND; 466 continue; 467 }; 468#ifdef RPC_DEBUG 469 if (!__rpc_lowvers) 470 fprintf(stderr, "Broadcast packet sent " 471 "for %s\n", 472 fdlist[i].nconf->nc_netid); 473#endif 474#ifdef PORTMAP 475 /* 476 * Send the version 2 packet also 477 * for UDP/IP 478 */ 479 if (pmap_flag && 480 fdlist[i].proto == IPPROTO_UDP) { 481 if (_sendto(fdlist[i].fd, outbuf_pmap, 482 outlen_pmap, 0, addr, 483 (size_t)fdlist[i].asize) != 484 outlen_pmap) { 485 warnx("clnt_bcast: " 486 "Cannot send broadcast packet"); 487 stat = RPC_CANTSEND; 488 continue; 489 } 490 } 491#ifdef RPC_DEBUG 492 fprintf(stderr, "PMAP Broadcast packet " 493 "sent for %s\n", 494 fdlist[i].nconf->nc_netid); 495#endif 496#endif /* PORTMAP */ 497 } 498 /* End for sending all packets on this transport */ 499 } /* End for sending on all transports */ 500 501 if (eachresult == NULL) { 502 stat = RPC_SUCCESS; 503 goto done_broad; 504 } 505 506 /* 507 * Get all the replies from these broadcast requests 508 */ 509 recv_again: 510 511 switch (pollretval = _poll(pfd, fdlistno, msec)) { 512 case 0: /* timed out */ 513 stat = RPC_TIMEDOUT; 514 continue; 515 case -1: /* some kind of error - we ignore it */ 516 goto recv_again; 517 } /* end of poll results switch */ 518 519 for (i = fds_found = 0; 520 i < fdlistno && fds_found < pollretval; i++) { 521 bool_t done = FALSE; 522 523 if (pfd[i].revents == 0) 524 continue; 525 else if (pfd[i].revents & POLLNVAL) { 526 /* 527 * Something bad has happened to this descri- 528 * ptor. We can cause _poll() to ignore 529 * it simply by using a negative fd. We do that 530 * rather than compacting the pfd[] and fdlist[] 531 * arrays. 532 */ 533 pfd[i].fd = -1; 534 fds_found++; 535 continue; 536 } else 537 fds_found++; 538#ifdef RPC_DEBUG 539 fprintf(stderr, "response for %s\n", 540 fdlist[i].nconf->nc_netid); 541#endif 542 try_again: 543 inlen = _recvfrom(fdlist[i].fd, inbuf, fdlist[i].dsize, 544 0, (struct sockaddr *)(void *)&fdlist[i].raddr, 545 &fdlist[i].asize); 546 if (inlen < 0) { 547 if (errno == EINTR) 548 goto try_again; 549 warnx("clnt_bcast: Cannot receive reply to " 550 "broadcast"); 551 stat = RPC_CANTRECV; 552 continue; 553 } 554 if (inlen < sizeof (u_int32_t)) 555 continue; /* Drop that and go ahead */ 556 /* 557 * see if reply transaction id matches sent id. 558 * If so, decode the results. If return id is xid + 1 559 * it was a PORTMAP reply 560 */ 561 if (*((u_int32_t *)(void *)(inbuf)) == 562 *((u_int32_t *)(void *)(outbuf))) { 563 pmap_reply_flag = 0; 564 msg.acpted_rply.ar_verf = _null_auth; 565 msg.acpted_rply.ar_results.where = 566 (caddr_t)(void *)&bres; 567 msg.acpted_rply.ar_results.proc = 568 (xdrproc_t)xdr_rpcb_rmtcallres; 569#ifdef PORTMAP 570 } else if (pmap_flag && 571 *((u_int32_t *)(void *)(inbuf)) == 572 *((u_int32_t *)(void *)(outbuf_pmap))) { 573 pmap_reply_flag = 1; 574 msg.acpted_rply.ar_verf = _null_auth; 575 msg.acpted_rply.ar_results.where = 576 (caddr_t)(void *)&bres_pmap; 577 msg.acpted_rply.ar_results.proc = 578 (xdrproc_t)xdr_rmtcallres; 579#endif /* PORTMAP */ 580 } else 581 continue; 582 xdrmem_create(xdrs, inbuf, (u_int)inlen, XDR_DECODE); 583 if (xdr_replymsg(xdrs, &msg)) { 584 if ((msg.rm_reply.rp_stat == MSG_ACCEPTED) && 585 (msg.acpted_rply.ar_stat == SUCCESS)) { 586 struct netbuf taddr, *np; 587 struct sockaddr_in *sin; 588 589#ifdef PORTMAP 590 if (pmap_flag && pmap_reply_flag) { 591 sin = (struct sockaddr_in *) 592 (void *)&fdlist[i].raddr; 593 sin->sin_port = 594 htons((u_short)port); 595 taddr.len = taddr.maxlen = 596 fdlist[i].raddr.ss_len; 597 taddr.buf = &fdlist[i].raddr; 598 done = (*eachresult)(resultsp, 599 &taddr, fdlist[i].nconf); 600 } else { 601#endif /* PORTMAP */ 602#ifdef RPC_DEBUG 603 fprintf(stderr, "uaddr %s\n", 604 uaddrp); 605#endif 606 np = uaddr2taddr( 607 fdlist[i].nconf, uaddrp); 608 done = (*eachresult)(resultsp, 609 np, fdlist[i].nconf); 610 free(np); 611#ifdef PORTMAP 612 } 613#endif /* PORTMAP */ 614 } 615 /* otherwise, we just ignore the errors ... */ 616 } 617 /* else some kind of deserialization problem ... */ 618 619 xdrs->x_op = XDR_FREE; 620 msg.acpted_rply.ar_results.proc = (xdrproc_t) xdr_void; 621 (void) xdr_replymsg(xdrs, &msg); 622 (void) (*xresults)(xdrs, resultsp); 623 XDR_DESTROY(xdrs); 624 if (done) { 625 stat = RPC_SUCCESS; 626 goto done_broad; 627 } else { 628 goto recv_again; 629 } 630 } /* The recv for loop */ 631 } /* The giant for loop */ 632 633done_broad: 634 if (inbuf) 635 (void) free(inbuf); 636 if (outbuf) 637 (void) free(outbuf); 638#ifdef PORTMAP 639 if (outbuf_pmap) 640 (void) free(outbuf_pmap); 641#endif /* PORTMAP */ 642 for (i = 0; i < fdlistno; i++) { 643 (void)_close(fdlist[i].fd); 644 __rpc_freebroadifs(&fdlist[i].nal); 645 } 646 AUTH_DESTROY(sys_auth); 647 (void) __rpc_endconf(handle); 648 649 return (stat); 650} 651 652 653enum clnt_stat 654rpc_broadcast(prog, vers, proc, xargs, argsp, xresults, resultsp, 655 eachresult, nettype) 656 rpcprog_t prog; /* program number */ 657 rpcvers_t vers; /* version number */ 658 rpcproc_t proc; /* procedure number */ 659 xdrproc_t xargs; /* xdr routine for args */ 660 caddr_t argsp; /* pointer to args */ 661 xdrproc_t xresults; /* xdr routine for results */ 662 caddr_t resultsp; /* pointer to results */ 663 resultproc_t eachresult; /* call with each result obtained */ 664 const char *nettype; /* transport type */ 665{ 666 enum clnt_stat dummy; 667 668 dummy = rpc_broadcast_exp(prog, vers, proc, xargs, argsp, 669 xresults, resultsp, eachresult, 670 INITTIME, WAITTIME, nettype); 671 return (dummy); 672} 673