clnt_bcast.c revision 1.16
1 /* $NetBSD: clnt_bcast.c,v 1.16 2006/03/19 01:40:09 christos Exp $ */ 2 3 /* 4 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 5 * unrestricted use provided that this legend is included on all tape 6 * media and as a part of the software program in whole or part. Users 7 * may copy or modify Sun RPC without charge, but are not authorized 8 * to license or distribute it to anyone else except as part of a product or 9 * program developed by the user. 10 * 11 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 12 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR 13 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 14 * 15 * Sun RPC is provided with no support and without any obligation on the 16 * part of Sun Microsystems, Inc. to assist in its use, correction, 17 * modification or enhancement. 18 * 19 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 20 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 21 * OR ANY PART THEREOF. 22 * 23 * In no event will Sun Microsystems, Inc. be liable for any lost revenue 24 * or profits or other special, indirect and consequential damages, even if 25 * Sun has been advised of the possibility of such damages. 26 * 27 * Sun Microsystems, Inc. 28 * 2550 Garcia Avenue 29 * Mountain View, California 94043 30 */ 31 /* 32 * Copyright (c) 1986-1991 by Sun Microsystems Inc. 33 */ 34 35 /* #ident "@(#)clnt_bcast.c 1.18 94/05/03 SMI" */ 36 37 #include <sys/cdefs.h> 38 #if defined(LIBC_SCCS) && !defined(lint) 39 #if 0 40 static char sccsid[] = "@(#)clnt_bcast.c 1.15 89/04/21 Copyr 1988 Sun Micro"; 41 #else 42 __RCSID("$NetBSD: clnt_bcast.c,v 1.16 2006/03/19 01:40:09 christos Exp $"); 43 #endif 44 #endif 45 46 /* 47 * clnt_bcast.c 48 * Client interface to broadcast service. 49 * 50 * Copyright (C) 1988, Sun Microsystems, Inc. 51 * 52 * The following is kludged-up support for simple rpc broadcasts. 53 * Someday a large, complicated system will replace these routines. 54 */ 55 56 #include "namespace.h" 57 #include <sys/types.h> 58 #include <sys/socket.h> 59 #include <sys/queue.h> 60 #include <net/if.h> 61 #include <netinet/in.h> 62 #include <ifaddrs.h> 63 #include <sys/poll.h> 64 #include <rpc/rpc.h> 65 #ifdef PORTMAP 66 #include <rpc/pmap_prot.h> 67 #include <rpc/pmap_clnt.h> 68 #include <rpc/pmap_rmt.h> 69 #endif 70 #include <rpc/nettype.h> 71 #include <arpa/inet.h> 72 #ifdef RPC_DEBUG 73 #include <stdio.h> 74 #endif 75 #include <assert.h> 76 #include <errno.h> 77 #include <stdlib.h> 78 #include <unistd.h> 79 #include <netdb.h> 80 #include <err.h> 81 #include <string.h> 82 83 #include "rpc_internal.h" 84 85 #define MAXBCAST 20 /* Max no of broadcasting transports */ 86 #define INITTIME 4000 /* Time to wait initially */ 87 #define WAITTIME 8000 /* Maximum time to wait */ 88 89 /* 90 * If nettype is NULL, it broadcasts on all the available 91 * datagram_n transports. May potentially lead to broadacst storms 92 * and hence should be used with caution, care and courage. 93 * 94 * The current parameter xdr packet size is limited by the max tsdu 95 * size of the transport. If the max tsdu size of any transport is 96 * smaller than the parameter xdr packet, then broadcast is not 97 * sent on that transport. 98 * 99 * Also, the packet size should be less the packet size of 100 * the data link layer (for ethernet it is 1400 bytes). There is 101 * no easy way to find out the max size of the data link layer and 102 * we are assuming that the args would be smaller than that. 103 * 104 * The result size has to be smaller than the transport tsdu size. 105 * 106 * If PORTMAP has been defined, we send two packets for UDP, one for 107 * rpcbind and one for portmap. For those machines which support 108 * both rpcbind and portmap, it will cause them to reply twice, and 109 * also here it will get two responses ... inefficient and clumsy. 110 */ 111 112 #ifdef __weak_alias 113 __weak_alias(rpc_broadcast_exp,_rpc_broadcast_exp) 114 __weak_alias(rpc_broadcast,_rpc_broadcast) 115 #endif 116 117 struct broadif { 118 int index; 119 struct sockaddr_storage broadaddr; 120 TAILQ_ENTRY(broadif) link; 121 }; 122 123 typedef TAILQ_HEAD(, broadif) broadlist_t; 124 125 int __rpc_getbroadifs __P((int, int, int, broadlist_t *)); 126 void __rpc_freebroadifs __P((broadlist_t *)); 127 int __rpc_broadenable __P((int, int, struct broadif *)); 128 129 int __rpc_lowvers = 0; 130 131 int 132 __rpc_getbroadifs(int af, int proto, int socktype, broadlist_t *list) 133 { 134 int count = 0; 135 struct broadif *bip; 136 struct ifaddrs *ifap, *ifp; 137 #ifdef INET6 138 struct sockaddr_in6 *sin6; 139 #endif 140 struct sockaddr_in *gbsin; 141 struct addrinfo hints, *res; 142 143 _DIAGASSERT(list != NULL); 144 145 if (getifaddrs(&ifp) < 0) 146 return 0; 147 148 memset(&hints, 0, sizeof hints); 149 150 hints.ai_family = af; 151 hints.ai_protocol = proto; 152 hints.ai_socktype = socktype; 153 154 if (getaddrinfo(NULL, "sunrpc", &hints, &res) != 0) 155 return 0; 156 157 for (ifap = ifp; ifap != NULL; ifap = ifap->ifa_next) { 158 if (ifap->ifa_addr->sa_family != af || 159 !(ifap->ifa_flags & IFF_UP)) 160 continue; 161 bip = (struct broadif *)malloc(sizeof *bip); 162 if (bip == NULL) 163 break; 164 bip->index = if_nametoindex(ifap->ifa_name); 165 if ( 166 #ifdef INET6 167 af != AF_INET6 && 168 #endif 169 (ifap->ifa_flags & IFF_BROADCAST) && 170 ifap->ifa_broadaddr) { 171 memcpy(&bip->broadaddr, ifap->ifa_broadaddr, 172 (size_t)ifap->ifa_broadaddr->sa_len); 173 gbsin = (struct sockaddr_in *)(void *)&bip->broadaddr; 174 gbsin->sin_port = 175 ((struct sockaddr_in *) 176 (void *)res->ai_addr)->sin_port; 177 } else 178 #ifdef INET6 179 if (af == AF_INET6 && (ifap->ifa_flags & IFF_MULTICAST)) { 180 sin6 = (struct sockaddr_in6 *)(void *)&bip->broadaddr; 181 inet_pton(af, RPCB_MULTICAST_ADDR, &sin6->sin6_addr); 182 sin6->sin6_family = af; 183 sin6->sin6_len = sizeof *sin6; 184 sin6->sin6_port = 185 ((struct sockaddr_in6 *) 186 (void *)res->ai_addr)->sin6_port; 187 sin6->sin6_scope_id = bip->index; 188 } else 189 #endif 190 { 191 free(bip); 192 continue; 193 } 194 TAILQ_INSERT_TAIL(list, bip, link); 195 count++; 196 } 197 freeifaddrs(ifp); 198 freeaddrinfo(res); 199 200 return count; 201 } 202 203 void 204 __rpc_freebroadifs(broadlist_t *list) 205 { 206 struct broadif *bip, *next; 207 208 _DIAGASSERT(list != NULL); 209 210 bip = TAILQ_FIRST(list); 211 212 while (bip != NULL) { 213 next = TAILQ_NEXT(bip, link); 214 free(bip); 215 bip = next; 216 } 217 } 218 219 int 220 /*ARGSUSED*/ 221 __rpc_broadenable(int af, int s, struct broadif *bip) 222 { 223 int o = 1; 224 225 #if 0 226 _DIAGASSERT(bip != NULL); 227 228 if (af == AF_INET6) { 229 fprintf(stderr, "set v6 multicast if to %d\n", bip->index); 230 if (setsockopt(s, IPPROTO_IPV6, IPV6_MULTICAST_IF, &bip->index, 231 sizeof bip->index) < 0) 232 return -1; 233 } else 234 #endif 235 if (setsockopt(s, SOL_SOCKET, SO_BROADCAST, &o, sizeof o) < 0) 236 return -1; 237 238 return 0; 239 } 240 241 242 enum clnt_stat 243 rpc_broadcast_exp(prog, vers, proc, xargs, argsp, xresults, resultsp, 244 eachresult, inittime, waittime, nettype) 245 rpcprog_t prog; /* program number */ 246 rpcvers_t vers; /* version number */ 247 rpcproc_t proc; /* procedure number */ 248 xdrproc_t xargs; /* xdr routine for args */ 249 const char * argsp; /* pointer to args */ 250 xdrproc_t xresults; /* xdr routine for results */ 251 caddr_t resultsp; /* pointer to results */ 252 resultproc_t eachresult; /* call with each result obtained */ 253 int inittime; /* how long to wait initially */ 254 int waittime; /* maximum time to wait */ 255 const char *nettype; /* transport type */ 256 { 257 enum clnt_stat stat = RPC_SUCCESS; /* Return status */ 258 XDR xdr_stream; /* XDR stream */ 259 XDR *xdrs = &xdr_stream; 260 struct rpc_msg msg; /* RPC message */ 261 char *outbuf = NULL; /* Broadcast msg buffer */ 262 char *inbuf = NULL; /* Reply buf */ 263 int inlen; 264 u_int maxbufsize = 0; 265 AUTH *sys_auth = authunix_create_default(); 266 int i; 267 void *handle; 268 char uaddress[1024]; /* A self imposed limit */ 269 char *uaddrp = uaddress; 270 int pmap_reply_flag; /* reply recvd from PORTMAP */ 271 /* An array of all the suitable broadcast transports */ 272 struct { 273 int fd; /* File descriptor */ 274 int af; 275 int proto; 276 struct netconfig *nconf; /* Netconfig structure */ 277 u_int asize; /* Size of the addr buf */ 278 u_int dsize; /* Size of the data buf */ 279 struct sockaddr_storage raddr; /* Remote address */ 280 broadlist_t nal; 281 } fdlist[MAXBCAST]; 282 struct pollfd pfd[MAXBCAST]; 283 size_t fdlistno = 0; 284 struct r_rpcb_rmtcallargs barg; /* Remote arguments */ 285 struct r_rpcb_rmtcallres bres; /* Remote results */ 286 size_t outlen; 287 struct netconfig *nconf; 288 int msec; 289 int pollretval; 290 int fds_found; 291 struct timespec ts; 292 293 #ifdef PORTMAP 294 size_t outlen_pmap = 0; 295 u_long port; /* Remote port number */ 296 int pmap_flag = 0; /* UDP exists ? */ 297 char *outbuf_pmap = NULL; 298 struct rmtcallargs barg_pmap; /* Remote arguments */ 299 struct rmtcallres bres_pmap; /* Remote results */ 300 u_int udpbufsz = 0; 301 #endif /* PORTMAP */ 302 303 if (sys_auth == NULL) { 304 return (RPC_SYSTEMERROR); 305 } 306 /* 307 * initialization: create a fd, a broadcast address, and send the 308 * request on the broadcast transport. 309 * Listen on all of them and on replies, call the user supplied 310 * function. 311 */ 312 313 if (nettype == NULL) 314 nettype = "datagram_n"; 315 if ((handle = __rpc_setconf(nettype)) == NULL) { 316 AUTH_DESTROY(sys_auth); 317 return (RPC_UNKNOWNPROTO); 318 } 319 while ((nconf = __rpc_getconf(handle)) != NULL) { 320 int fd; 321 struct __rpc_sockinfo si; 322 323 if (nconf->nc_semantics != NC_TPI_CLTS) 324 continue; 325 if (fdlistno >= MAXBCAST) 326 break; /* No more slots available */ 327 if (!__rpc_nconf2sockinfo(nconf, &si)) 328 continue; 329 330 TAILQ_INIT(&fdlist[fdlistno].nal); 331 if (__rpc_getbroadifs(si.si_af, si.si_proto, si.si_socktype, 332 &fdlist[fdlistno].nal) == 0) 333 continue; 334 335 fd = socket(si.si_af, si.si_socktype, si.si_proto); 336 if (fd < 0) { 337 stat = RPC_CANTSEND; 338 continue; 339 } 340 fdlist[fdlistno].af = si.si_af; 341 fdlist[fdlistno].proto = si.si_proto; 342 fdlist[fdlistno].fd = fd; 343 fdlist[fdlistno].nconf = nconf; 344 fdlist[fdlistno].asize = __rpc_get_a_size(si.si_af); 345 pfd[fdlistno].events = POLLIN | POLLPRI | 346 POLLRDNORM | POLLRDBAND; 347 pfd[fdlistno].fd = fdlist[fdlistno].fd = fd; 348 fdlist[fdlistno].dsize = __rpc_get_t_size(si.si_af, si.si_proto, 349 0); 350 351 if (maxbufsize <= fdlist[fdlistno].dsize) 352 maxbufsize = fdlist[fdlistno].dsize; 353 354 #ifdef PORTMAP 355 if (si.si_af == AF_INET && si.si_proto == IPPROTO_UDP) { 356 udpbufsz = fdlist[fdlistno].dsize; 357 if ((outbuf_pmap = malloc(udpbufsz)) == NULL) { 358 close(fd); 359 stat = RPC_SYSTEMERROR; 360 goto done_broad; 361 } 362 pmap_flag = 1; 363 } 364 #endif 365 fdlistno++; 366 } 367 368 if (fdlistno == 0) { 369 if (stat == RPC_SUCCESS) 370 stat = RPC_UNKNOWNPROTO; 371 goto done_broad; 372 } 373 if (maxbufsize == 0) { 374 if (stat == RPC_SUCCESS) 375 stat = RPC_CANTSEND; 376 goto done_broad; 377 } 378 inbuf = malloc(maxbufsize); 379 outbuf = malloc(maxbufsize); 380 if ((inbuf == NULL) || (outbuf == NULL)) { 381 stat = RPC_SYSTEMERROR; 382 goto done_broad; 383 } 384 385 /* Serialize all the arguments which have to be sent */ 386 msg.rm_xid = __RPC_GETXID(); 387 msg.rm_direction = CALL; 388 msg.rm_call.cb_rpcvers = RPC_MSG_VERSION; 389 msg.rm_call.cb_prog = RPCBPROG; 390 msg.rm_call.cb_vers = RPCBVERS; 391 msg.rm_call.cb_proc = RPCBPROC_CALLIT; 392 barg.prog = prog; 393 barg.vers = vers; 394 barg.proc = proc; 395 barg.args.args_val = argsp; 396 barg.xdr_args = xargs; 397 bres.addr = uaddrp; 398 bres.results.results_val = resultsp; 399 bres.xdr_res = xresults; 400 msg.rm_call.cb_cred = sys_auth->ah_cred; 401 msg.rm_call.cb_verf = sys_auth->ah_verf; 402 xdrmem_create(xdrs, outbuf, maxbufsize, XDR_ENCODE); 403 if ((!xdr_callmsg(xdrs, &msg)) || 404 (!xdr_rpcb_rmtcallargs(xdrs, 405 (struct rpcb_rmtcallargs *)(void *)&barg))) { 406 stat = RPC_CANTENCODEARGS; 407 goto done_broad; 408 } 409 outlen = xdr_getpos(xdrs); 410 xdr_destroy(xdrs); 411 412 #ifdef PORTMAP 413 /* Prepare the packet for version 2 PORTMAP */ 414 if (pmap_flag) { 415 msg.rm_xid++; /* One way to distinguish */ 416 msg.rm_call.cb_prog = PMAPPROG; 417 msg.rm_call.cb_vers = PMAPVERS; 418 msg.rm_call.cb_proc = PMAPPROC_CALLIT; 419 barg_pmap.prog = prog; 420 barg_pmap.vers = vers; 421 barg_pmap.proc = proc; 422 barg_pmap.args_ptr = argsp; 423 barg_pmap.xdr_args = xargs; 424 bres_pmap.port_ptr = &port; 425 bres_pmap.xdr_results = xresults; 426 bres_pmap.results_ptr = resultsp; 427 xdrmem_create(xdrs, outbuf_pmap, udpbufsz, XDR_ENCODE); 428 if ((! xdr_callmsg(xdrs, &msg)) || 429 (! xdr_rmtcall_args(xdrs, &barg_pmap))) { 430 stat = RPC_CANTENCODEARGS; 431 goto done_broad; 432 } 433 outlen_pmap = xdr_getpos(xdrs); 434 xdr_destroy(xdrs); 435 } 436 #endif /* PORTMAP */ 437 438 /* 439 * Basic loop: broadcast the packets to transports which 440 * support data packets of size such that one can encode 441 * all the arguments. 442 * Wait a while for response(s). 443 * The response timeout grows larger per iteration. 444 */ 445 for (msec = inittime; msec <= waittime; msec += msec) { 446 struct broadif *bip; 447 448 /* Broadcast all the packets now */ 449 for (i = 0; i < fdlistno; i++) { 450 if (fdlist[i].dsize < outlen) { 451 stat = RPC_CANTSEND; 452 continue; 453 } 454 for (bip = TAILQ_FIRST(&fdlist[i].nal); bip != NULL; 455 bip = TAILQ_NEXT(bip, link)) { 456 void *addr; 457 458 addr = &bip->broadaddr; 459 460 __rpc_broadenable(fdlist[i].af, fdlist[i].fd, 461 bip); 462 463 /* 464 * Only use version 3 if lowvers is not set 465 */ 466 467 if (!__rpc_lowvers) 468 if (sendto(fdlist[i].fd, outbuf, 469 outlen, 0, (struct sockaddr*)addr, 470 (size_t)fdlist[i].asize) != 471 outlen) { 472 #ifdef RPC_DEBUG 473 perror("sendto"); 474 #endif 475 warnx("clnt_bcast: cannot send" 476 " broadcast packet"); 477 stat = RPC_CANTSEND; 478 continue; 479 }; 480 #ifdef RPC_DEBUG 481 if (!__rpc_lowvers) 482 fprintf(stderr, "Broadcast packet sent " 483 "for %s\n", 484 fdlist[i].nconf->nc_netid); 485 #endif 486 #ifdef PORTMAP 487 /* 488 * Send the version 2 packet also 489 * for UDP/IP 490 */ 491 if (pmap_flag && fdlist[i].proto == IPPROTO_UDP) { 492 if (sendto(fdlist[i].fd, outbuf_pmap, 493 outlen_pmap, 0, addr, 494 (size_t)fdlist[i].asize) != 495 outlen_pmap) { 496 warnx("clnt_bcast: " 497 "Cannot send broadcast packet"); 498 stat = RPC_CANTSEND; 499 continue; 500 } 501 } 502 #ifdef RPC_DEBUG 503 fprintf(stderr, "PMAP Broadcast packet " 504 "sent for %s\n", 505 fdlist[i].nconf->nc_netid); 506 #endif 507 #endif /* PORTMAP */ 508 } 509 /* End for sending all packets on this transport */ 510 } /* End for sending on all transports */ 511 512 if (eachresult == NULL) { 513 stat = RPC_SUCCESS; 514 goto done_broad; 515 } 516 517 /* 518 * Get all the replies from these broadcast requests 519 */ 520 recv_again: 521 ts.tv_sec = msec / 1000; 522 ts.tv_nsec = (msec % 1000) * 1000000; 523 524 switch (pollretval = pollts(pfd, fdlistno, &ts, NULL)) { 525 case 0: /* timed out */ 526 stat = RPC_TIMEDOUT; 527 continue; 528 case -1: /* some kind of error - we ignore it */ 529 goto recv_again; 530 } /* end of poll results switch */ 531 532 for (i = fds_found = 0; 533 i < fdlistno && fds_found < pollretval; i++) { 534 bool_t done = FALSE; 535 536 if (pfd[i].revents == 0) 537 continue; 538 else if (pfd[i].revents & POLLNVAL) { 539 /* 540 * Something bad has happened to this descri- 541 * ptor. We can cause pollts() to ignore 542 * it simply by using a negative fd. We do that 543 * rather than compacting the pfd[] and fdlist[] 544 * arrays. 545 */ 546 pfd[i].fd = -1; 547 fds_found++; 548 continue; 549 } else 550 fds_found++; 551 #ifdef RPC_DEBUG 552 fprintf(stderr, "response for %s\n", 553 fdlist[i].nconf->nc_netid); 554 #endif 555 try_again: 556 inlen = recvfrom(fdlist[i].fd, inbuf, fdlist[i].dsize, 557 0, (struct sockaddr *)(void *)&fdlist[i].raddr, 558 &fdlist[i].asize); 559 if (inlen < 0) { 560 if (errno == EINTR) 561 goto try_again; 562 warnx("clnt_bcast: Cannot receive reply to " 563 "broadcast"); 564 stat = RPC_CANTRECV; 565 continue; 566 } 567 if (inlen < sizeof (u_int32_t)) 568 continue; /* Drop that and go ahead */ 569 /* 570 * see if reply transaction id matches sent id. 571 * If so, decode the results. If return id is xid + 1 572 * it was a PORTMAP reply 573 */ 574 if (*((u_int32_t *)(void *)(inbuf)) == 575 *((u_int32_t *)(void *)(outbuf))) { 576 pmap_reply_flag = 0; 577 msg.acpted_rply.ar_verf = _null_auth; 578 msg.acpted_rply.ar_results.where = 579 (caddr_t)(void *)&bres; 580 msg.acpted_rply.ar_results.proc = 581 (xdrproc_t)xdr_rpcb_rmtcallres; 582 #ifdef PORTMAP 583 } else if (pmap_flag && 584 *((u_int32_t *)(void *)(inbuf)) == 585 *((u_int32_t *)(void *)(outbuf_pmap))) { 586 pmap_reply_flag = 1; 587 msg.acpted_rply.ar_verf = _null_auth; 588 msg.acpted_rply.ar_results.where = 589 (caddr_t)(void *)&bres_pmap; 590 msg.acpted_rply.ar_results.proc = 591 (xdrproc_t)xdr_rmtcallres; 592 #endif /* PORTMAP */ 593 } else 594 continue; 595 xdrmem_create(xdrs, inbuf, (u_int)inlen, XDR_DECODE); 596 if (xdr_replymsg(xdrs, &msg)) { 597 if ((msg.rm_reply.rp_stat == MSG_ACCEPTED) && 598 (msg.acpted_rply.ar_stat == SUCCESS)) { 599 struct netbuf taddr, *np; 600 struct sockaddr_in *bsin; 601 602 #ifdef PORTMAP 603 if (pmap_flag && pmap_reply_flag) { 604 bsin = (struct sockaddr_in *) 605 (void *)&fdlist[i].raddr; 606 bsin->sin_port = 607 htons((u_short)port); 608 taddr.len = taddr.maxlen = 609 fdlist[i].raddr.ss_len; 610 taddr.buf = &fdlist[i].raddr; 611 done = (*eachresult)(resultsp, 612 &taddr, fdlist[i].nconf); 613 } else { 614 #endif 615 #ifdef RPC_DEBUG 616 fprintf(stderr, "uaddr %s\n", 617 uaddrp); 618 #endif 619 np = uaddr2taddr( 620 fdlist[i].nconf, uaddrp); 621 done = (*eachresult)(resultsp, 622 np, fdlist[i].nconf); 623 free(np); 624 #ifdef PORTMAP 625 } 626 #endif 627 } 628 /* otherwise, we just ignore the errors ... */ 629 } 630 /* else some kind of deserialization problem ... */ 631 632 xdrs->x_op = XDR_FREE; 633 msg.acpted_rply.ar_results.proc = (xdrproc_t) xdr_void; 634 (void) xdr_replymsg(xdrs, &msg); 635 (void) (*xresults)(xdrs, resultsp); 636 XDR_DESTROY(xdrs); 637 if (done) { 638 stat = RPC_SUCCESS; 639 goto done_broad; 640 } else { 641 goto recv_again; 642 } 643 } /* The recv for loop */ 644 } /* The giant for loop */ 645 646 done_broad: 647 if (inbuf) 648 (void) free(inbuf); 649 if (outbuf) 650 (void) free(outbuf); 651 #ifdef PORTMAP 652 if (outbuf_pmap) 653 (void) free(outbuf_pmap); 654 #endif 655 for (i = 0; i < fdlistno; i++) { 656 (void) close(fdlist[i].fd); 657 __rpc_freebroadifs(&fdlist[i].nal); 658 } 659 AUTH_DESTROY(sys_auth); 660 (void) __rpc_endconf(handle); 661 662 return (stat); 663 } 664 665 666 enum clnt_stat 667 rpc_broadcast(prog, vers, proc, xargs, argsp, xresults, resultsp, 668 eachresult, nettype) 669 rpcprog_t prog; /* program number */ 670 rpcvers_t vers; /* version number */ 671 rpcproc_t proc; /* procedure number */ 672 xdrproc_t xargs; /* xdr routine for args */ 673 const char * argsp; /* pointer to args */ 674 xdrproc_t xresults; /* xdr routine for results */ 675 caddr_t resultsp; /* pointer to results */ 676 resultproc_t eachresult; /* call with each result obtained */ 677 const char *nettype; /* transport type */ 678 { 679 enum clnt_stat dummy; 680 681 dummy = rpc_broadcast_exp(prog, vers, proc, xargs, argsp, 682 xresults, resultsp, eachresult, 683 INITTIME, WAITTIME, nettype); 684 return (dummy); 685 } 686
Indexes created Tue Sep 23 07:09:52 GMT 2025