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" 36 static char sccsid[] = "@(#)clnt_bcast.c 1.15 89/04/21 Copyr 1988 Sun Micro"; 37 #endif 38 #include <sys/cdefs.h> 39 __FBSDID("$FreeBSD$"); 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 */ 107 108 struct broadif { 109 int index; 110 struct sockaddr_storage broadaddr; 111 TAILQ_ENTRY(broadif) link; 112 }; 113 114 typedef TAILQ_HEAD(, broadif) broadlist_t; 115 116 int __rpc_getbroadifs(int, int, int, broadlist_t *); 117 void __rpc_freebroadifs(broadlist_t *); 118 int __rpc_broadenable(int, int, struct broadif *); 119 120 int __rpc_lowvers = 0; 121 122 int 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 } 193 194 void 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 } 207 208 int 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 /* 229 * rpc_broadcast_exp() 230 * 231 * prog - program number 232 * vers - version number 233 * proc - procedure number 234 * xargs - xdr routine for args 235 * argsp - pointer to args 236 * xresults - xdr routine for results 237 * resultsp - pointer to results 238 * eachresult - call with each result obtained 239 * inittime - how long to wait initially 240 * waittime - maximum time to wait 241 * nettype - transport type 242 */ 243 enum clnt_stat 244 rpc_broadcast_exp(rpcprog_t prog, rpcvers_t vers, rpcproc_t proc, 245 xdrproc_t xargs, caddr_t argsp, xdrproc_t xresults, caddr_t resultsp, 246 resultproc_t eachresult, int inittime, int waittime, 247 const char *nettype) 248 { 249 enum clnt_stat stat = RPC_SUCCESS; /* Return status */ 250 XDR xdr_stream; /* XDR stream */ 251 XDR *xdrs = &xdr_stream; 252 struct rpc_msg msg; /* RPC message */ 253 struct timeval t; 254 char *outbuf = NULL; /* Broadcast msg buffer */ 255 char *inbuf = NULL; /* Reply buf */ 256 int inlen; 257 u_int maxbufsize = 0; 258 AUTH *sys_auth = authunix_create_default(); 259 u_int i; 260 void *handle; 261 char uaddress[1024]; /* A self imposed limit */ 262 char *uaddrp = uaddress; 263 int pmap_reply_flag; /* reply recvd from PORTMAP */ 264 /* An array of all the suitable broadcast transports */ 265 struct { 266 int fd; /* File descriptor */ 267 int af; 268 int proto; 269 struct netconfig *nconf; /* Netconfig structure */ 270 u_int asize; /* Size of the addr buf */ 271 u_int dsize; /* Size of the data buf */ 272 struct sockaddr_storage raddr; /* Remote address */ 273 broadlist_t nal; 274 } fdlist[MAXBCAST]; 275 struct pollfd pfd[MAXBCAST]; 276 size_t fdlistno = 0; 277 struct r_rpcb_rmtcallargs barg; /* Remote arguments */ 278 struct r_rpcb_rmtcallres bres; /* Remote results */ 279 size_t outlen; 280 struct netconfig *nconf; 281 int msec; 282 int pollretval; 283 int fds_found; 284 285 #ifdef PORTMAP 286 size_t outlen_pmap = 0; 287 u_long port; /* Remote port number */ 288 int pmap_flag = 0; /* UDP exists ? */ 289 char *outbuf_pmap = NULL; 290 struct rmtcallargs barg_pmap; /* Remote arguments */ 291 struct rmtcallres bres_pmap; /* Remote results */ 292 u_int udpbufsz = 0; 293 #endif /* PORTMAP */ 294 295 if (sys_auth == NULL) { 296 return (RPC_SYSTEMERROR); 297 } 298 /* 299 * initialization: create a fd, a broadcast address, and send the 300 * request on the broadcast transport. 301 * Listen on all of them and on replies, call the user supplied 302 * function. 303 */ 304 305 if (nettype == NULL) 306 nettype = "datagram_n"; 307 if ((handle = __rpc_setconf(nettype)) == NULL) { 308 AUTH_DESTROY(sys_auth); 309 return (RPC_UNKNOWNPROTO); 310 } 311 while ((nconf = __rpc_getconf(handle)) != NULL) { 312 int fd; 313 struct __rpc_sockinfo si; 314 315 if (nconf->nc_semantics != NC_TPI_CLTS) 316 continue; 317 if (fdlistno >= MAXBCAST) 318 break; /* No more slots available */ 319 if (!__rpc_nconf2sockinfo(nconf, &si)) 320 continue; 321 322 TAILQ_INIT(&fdlist[fdlistno].nal); 323 if (__rpc_getbroadifs(si.si_af, si.si_proto, si.si_socktype, 324 &fdlist[fdlistno].nal) == 0) 325 continue; 326 327 fd = _socket(si.si_af, si.si_socktype, si.si_proto); 328 if (fd < 0) { 329 stat = RPC_CANTSEND; 330 continue; 331 } 332 fdlist[fdlistno].af = si.si_af; 333 fdlist[fdlistno].proto = si.si_proto; 334 fdlist[fdlistno].fd = fd; 335 fdlist[fdlistno].nconf = nconf; 336 fdlist[fdlistno].asize = __rpc_get_a_size(si.si_af); 337 pfd[fdlistno].events = POLLIN | POLLPRI | 338 POLLRDNORM | POLLRDBAND; 339 pfd[fdlistno].fd = fdlist[fdlistno].fd = fd; 340 fdlist[fdlistno].dsize = __rpc_get_t_size(si.si_af, si.si_proto, 341 0); 342 343 if (maxbufsize <= fdlist[fdlistno].dsize) 344 maxbufsize = fdlist[fdlistno].dsize; 345 346 #ifdef PORTMAP 347 if (si.si_af == AF_INET && si.si_proto == IPPROTO_UDP) { 348 udpbufsz = fdlist[fdlistno].dsize; 349 outbuf_pmap = reallocf(outbuf_pmap, udpbufsz); 350 if (outbuf_pmap == NULL) { 351 _close(fd); 352 stat = RPC_SYSTEMERROR; 353 goto done_broad; 354 } 355 pmap_flag = 1; 356 } 357 #endif /* PORTMAP */ 358 fdlistno++; 359 } 360 361 if (fdlistno == 0) { 362 if (stat == RPC_SUCCESS) 363 stat = RPC_UNKNOWNPROTO; 364 goto done_broad; 365 } 366 if (maxbufsize == 0) { 367 if (stat == RPC_SUCCESS) 368 stat = RPC_CANTSEND; 369 goto done_broad; 370 } 371 inbuf = malloc(maxbufsize); 372 outbuf = malloc(maxbufsize); 373 if ((inbuf == NULL) || (outbuf == NULL)) { 374 stat = RPC_SYSTEMERROR; 375 goto done_broad; 376 } 377 378 /* Serialize all the arguments which have to be sent */ 379 (void) gettimeofday(&t, NULL); 380 msg.rm_xid = __RPC_GETXID(&t); 381 msg.rm_direction = CALL; 382 msg.rm_call.cb_rpcvers = RPC_MSG_VERSION; 383 msg.rm_call.cb_prog = RPCBPROG; 384 msg.rm_call.cb_vers = RPCBVERS; 385 msg.rm_call.cb_proc = RPCBPROC_CALLIT; 386 barg.prog = prog; 387 barg.vers = vers; 388 barg.proc = proc; 389 barg.args.args_val = argsp; 390 barg.xdr_args = xargs; 391 bres.addr = uaddrp; 392 bres.results.results_val = resultsp; 393 bres.xdr_res = xresults; 394 msg.rm_call.cb_cred = sys_auth->ah_cred; 395 msg.rm_call.cb_verf = sys_auth->ah_verf; 396 xdrmem_create(xdrs, outbuf, maxbufsize, XDR_ENCODE); 397 if ((!xdr_callmsg(xdrs, &msg)) || 398 (!xdr_rpcb_rmtcallargs(xdrs, 399 (struct rpcb_rmtcallargs *)(void *)&barg))) { 400 stat = RPC_CANTENCODEARGS; 401 goto done_broad; 402 } 403 outlen = xdr_getpos(xdrs); 404 xdr_destroy(xdrs); 405 406 #ifdef PORTMAP 407 /* Prepare the packet for version 2 PORTMAP */ 408 if (pmap_flag) { 409 msg.rm_xid++; /* One way to distinguish */ 410 msg.rm_call.cb_prog = PMAPPROG; 411 msg.rm_call.cb_vers = PMAPVERS; 412 msg.rm_call.cb_proc = PMAPPROC_CALLIT; 413 barg_pmap.prog = prog; 414 barg_pmap.vers = vers; 415 barg_pmap.proc = proc; 416 barg_pmap.args_ptr = argsp; 417 barg_pmap.xdr_args = xargs; 418 bres_pmap.port_ptr = &port; 419 bres_pmap.xdr_results = xresults; 420 bres_pmap.results_ptr = resultsp; 421 xdrmem_create(xdrs, outbuf_pmap, udpbufsz, XDR_ENCODE); 422 if ((! xdr_callmsg(xdrs, &msg)) || 423 (! xdr_rmtcall_args(xdrs, &barg_pmap))) { 424 stat = RPC_CANTENCODEARGS; 425 goto done_broad; 426 } 427 outlen_pmap = xdr_getpos(xdrs); 428 xdr_destroy(xdrs); 429 } 430 #endif /* PORTMAP */ 431 432 /* 433 * Basic loop: broadcast the packets to transports which 434 * support data packets of size such that one can encode 435 * all the arguments. 436 * Wait a while for response(s). 437 * The response timeout grows larger per iteration. 438 */ 439 for (msec = inittime; msec <= waittime; msec += msec) { 440 struct broadif *bip; 441 442 /* Broadcast all the packets now */ 443 for (i = 0; i < fdlistno; i++) { 444 if (fdlist[i].dsize < outlen) { 445 stat = RPC_CANTSEND; 446 continue; 447 } 448 for (bip = TAILQ_FIRST(&fdlist[i].nal); bip != NULL; 449 bip = TAILQ_NEXT(bip, link)) { 450 void *addr; 451 452 addr = &bip->broadaddr; 453 454 __rpc_broadenable(fdlist[i].af, fdlist[i].fd, 455 bip); 456 457 /* 458 * Only use version 3 if lowvers is not set 459 */ 460 461 if (!__rpc_lowvers) 462 if (_sendto(fdlist[i].fd, outbuf, 463 outlen, 0, (struct sockaddr*)addr, 464 (size_t)fdlist[i].asize) != 465 outlen) { 466 #ifdef RPC_DEBUG 467 perror("sendto"); 468 #endif 469 warnx("clnt_bcast: cannot send " 470 "broadcast packet"); 471 stat = RPC_CANTSEND; 472 continue; 473 } 474 #ifdef RPC_DEBUG 475 if (!__rpc_lowvers) 476 fprintf(stderr, "Broadcast packet sent " 477 "for %s\n", 478 fdlist[i].nconf->nc_netid); 479 #endif 480 #ifdef PORTMAP 481 /* 482 * Send the version 2 packet also 483 * for UDP/IP 484 */ 485 if (pmap_flag && 486 fdlist[i].proto == IPPROTO_UDP) { 487 if (_sendto(fdlist[i].fd, outbuf_pmap, 488 outlen_pmap, 0, addr, 489 (size_t)fdlist[i].asize) != 490 outlen_pmap) { 491 warnx("clnt_bcast: " 492 "Cannot send broadcast packet"); 493 stat = RPC_CANTSEND; 494 continue; 495 } 496 } 497 #ifdef RPC_DEBUG 498 fprintf(stderr, "PMAP Broadcast packet " 499 "sent for %s\n", 500 fdlist[i].nconf->nc_netid); 501 #endif 502 #endif /* PORTMAP */ 503 } 504 /* End for sending all packets on this transport */ 505 } /* End for sending on all transports */ 506 507 if (eachresult == NULL) { 508 stat = RPC_SUCCESS; 509 goto done_broad; 510 } 511 512 /* 513 * Get all the replies from these broadcast requests 514 */ 515 recv_again: 516 517 switch (pollretval = _poll(pfd, fdlistno, msec)) { 518 case 0: /* timed out */ 519 stat = RPC_TIMEDOUT; 520 continue; 521 case -1: /* some kind of error - we ignore it */ 522 goto recv_again; 523 } /* end of poll results switch */ 524 525 for (i = fds_found = 0; 526 i < fdlistno && fds_found < pollretval; i++) { 527 bool_t done = FALSE; 528 529 if (pfd[i].revents == 0) 530 continue; 531 else if (pfd[i].revents & POLLNVAL) { 532 /* 533 * Something bad has happened to this descri- 534 * ptor. We can cause _poll() to ignore 535 * it simply by using a negative fd. We do that 536 * rather than compacting the pfd[] and fdlist[] 537 * arrays. 538 */ 539 pfd[i].fd = -1; 540 fds_found++; 541 continue; 542 } else 543 fds_found++; 544 #ifdef RPC_DEBUG 545 fprintf(stderr, "response for %s\n", 546 fdlist[i].nconf->nc_netid); 547 #endif 548 try_again: 549 inlen = _recvfrom(fdlist[i].fd, inbuf, fdlist[i].dsize, 550 0, (struct sockaddr *)(void *)&fdlist[i].raddr, 551 &fdlist[i].asize); 552 if (inlen < 0) { 553 if (errno == EINTR) 554 goto try_again; 555 warnx("clnt_bcast: Cannot receive reply to " 556 "broadcast"); 557 stat = RPC_CANTRECV; 558 continue; 559 } 560 if (inlen < sizeof (u_int32_t)) 561 continue; /* Drop that and go ahead */ 562 /* 563 * see if reply transaction id matches sent id. 564 * If so, decode the results. If return id is xid + 1 565 * it was a PORTMAP reply 566 */ 567 if (*((u_int32_t *)(void *)(inbuf)) == 568 *((u_int32_t *)(void *)(outbuf))) { 569 pmap_reply_flag = 0; 570 msg.acpted_rply.ar_verf = _null_auth; 571 msg.acpted_rply.ar_results.where = 572 (caddr_t)(void *)&bres; 573 msg.acpted_rply.ar_results.proc = 574 (xdrproc_t)xdr_rpcb_rmtcallres; 575 #ifdef PORTMAP 576 } else if (pmap_flag && 577 *((u_int32_t *)(void *)(inbuf)) == 578 *((u_int32_t *)(void *)(outbuf_pmap))) { 579 pmap_reply_flag = 1; 580 msg.acpted_rply.ar_verf = _null_auth; 581 msg.acpted_rply.ar_results.where = 582 (caddr_t)(void *)&bres_pmap; 583 msg.acpted_rply.ar_results.proc = 584 (xdrproc_t)xdr_rmtcallres; 585 #endif /* PORTMAP */ 586 } else 587 continue; 588 xdrmem_create(xdrs, inbuf, (u_int)inlen, XDR_DECODE); 589 if (xdr_replymsg(xdrs, &msg)) { 590 if ((msg.rm_reply.rp_stat == MSG_ACCEPTED) && 591 (msg.acpted_rply.ar_stat == SUCCESS)) { 592 struct netbuf taddr, *np; 593 struct sockaddr_in *sin; 594 595 #ifdef PORTMAP 596 if (pmap_flag && pmap_reply_flag) { 597 sin = (struct sockaddr_in *) 598 (void *)&fdlist[i].raddr; 599 sin->sin_port = 600 htons((u_short)port); 601 taddr.len = taddr.maxlen = 602 fdlist[i].raddr.ss_len; 603 taddr.buf = &fdlist[i].raddr; 604 done = (*eachresult)(resultsp, 605 &taddr, fdlist[i].nconf); 606 } else { 607 #endif /* PORTMAP */ 608 #ifdef RPC_DEBUG 609 fprintf(stderr, "uaddr %s\n", 610 uaddrp); 611 #endif 612 np = uaddr2taddr( 613 fdlist[i].nconf, uaddrp); 614 done = (*eachresult)(resultsp, 615 np, fdlist[i].nconf); 616 free(np); 617 #ifdef PORTMAP 618 } 619 #endif /* PORTMAP */ 620 } 621 /* otherwise, we just ignore the errors ... */ 622 } 623 /* else some kind of deserialization problem ... */ 624 625 xdrs->x_op = XDR_FREE; 626 msg.acpted_rply.ar_results.proc = (xdrproc_t) xdr_void; 627 (void) xdr_replymsg(xdrs, &msg); 628 (void) (*xresults)(xdrs, resultsp); 629 XDR_DESTROY(xdrs); 630 if (done) { 631 stat = RPC_SUCCESS; 632 goto done_broad; 633 } else { 634 goto recv_again; 635 } 636 } /* The recv for loop */ 637 } /* The giant for loop */ 638 639 done_broad: 640 free(inbuf); 641 free(outbuf); 642 #ifdef PORTMAP 643 free(outbuf_pmap); 644 #endif /* PORTMAP */ 645 for (i = 0; i < fdlistno; i++) { 646 (void)_close(fdlist[i].fd); 647 __rpc_freebroadifs(&fdlist[i].nal); 648 } 649 AUTH_DESTROY(sys_auth); 650 (void) __rpc_endconf(handle); 651 652 return (stat); 653 } 654 655 /* 656 * rpc_broadcast() 657 * 658 * prog - program number 659 * vers - version number 660 * proc - procedure number 661 * xargs - xdr routine for args 662 * argsp - pointer to args 663 * xresults - xdr routine for results 664 * resultsp - pointer to results 665 * eachresult - call with each result obtained 666 * nettype - transport type 667 */ 668 enum clnt_stat 669 rpc_broadcast(rpcprog_t prog, rpcvers_t vers, rpcproc_t proc, xdrproc_t xargs, 670 caddr_t argsp, xdrproc_t xresults, caddr_t resultsp, 671 resultproc_t eachresult, const char *nettype) 672 { 673 enum clnt_stat dummy; 674 675 dummy = rpc_broadcast_exp(prog, vers, proc, xargs, argsp, 676 xresults, resultsp, eachresult, 677 INITTIME, WAITTIME, nettype); 678 return (dummy); 679 } 680