clnt_bcast.c revision 1.14
1 /* $NetBSD: clnt_bcast.c,v 1.14 2005/09/09 15:41:27 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 1.14 2005/09/09 15:41:27 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 caddr_t 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 return (RPC_UNKNOWNPROTO); 317 } 318 while ((nconf = __rpc_getconf(handle)) != NULL) { 319 int fd; 320 struct __rpc_sockinfo si; 321 322 if (nconf->nc_semantics != NC_TPI_CLTS) 323 continue; 324 if (fdlistno >= MAXBCAST) 325 break; /* No more slots available */ 326 if (!__rpc_nconf2sockinfo(nconf, &si)) 327 continue; 328 329 TAILQ_INIT(&fdlist[fdlistno].nal); 330 if (__rpc_getbroadifs(si.si_af, si.si_proto, si.si_socktype, 331 &fdlist[fdlistno].nal) == 0) 332 continue; 333 334 fd = socket(si.si_af, si.si_socktype, si.si_proto); 335 if (fd < 0) { 336 stat = RPC_CANTSEND; 337 continue; 338 } 339 fdlist[fdlistno].af = si.si_af; 340 fdlist[fdlistno].proto = si.si_proto; 341 fdlist[fdlistno].fd = fd; 342 fdlist[fdlistno].nconf = nconf; 343 fdlist[fdlistno].asize = __rpc_get_a_size(si.si_af); 344 pfd[fdlistno].events = POLLIN | POLLPRI | 345 POLLRDNORM | POLLRDBAND; 346 pfd[fdlistno].fd = fdlist[fdlistno].fd = fd; 347 fdlist[fdlistno].dsize = __rpc_get_t_size(si.si_af, si.si_proto, 348 0); 349 350 if (maxbufsize <= fdlist[fdlistno].dsize) 351 maxbufsize = fdlist[fdlistno].dsize; 352 353 #ifdef PORTMAP 354 if (si.si_af == AF_INET && si.si_proto == IPPROTO_UDP) { 355 udpbufsz = fdlist[fdlistno].dsize; 356 if ((outbuf_pmap = malloc(udpbufsz)) == NULL) { 357 close(fd); 358 stat = RPC_SYSTEMERROR; 359 goto done_broad; 360 } 361 pmap_flag = 1; 362 } 363 #endif 364 fdlistno++; 365 } 366 367 if (fdlistno == 0) { 368 if (stat == RPC_SUCCESS) 369 stat = RPC_UNKNOWNPROTO; 370 goto done_broad; 371 } 372 if (maxbufsize == 0) { 373 if (stat == RPC_SUCCESS) 374 stat = RPC_CANTSEND; 375 goto done_broad; 376 } 377 inbuf = malloc(maxbufsize); 378 outbuf = malloc(maxbufsize); 379 if ((inbuf == NULL) || (outbuf == NULL)) { 380 stat = RPC_SYSTEMERROR; 381 goto done_broad; 382 } 383 384 /* Serialize all the arguments which have to be sent */ 385 msg.rm_xid = __RPC_GETXID(); 386 msg.rm_direction = CALL; 387 msg.rm_call.cb_rpcvers = RPC_MSG_VERSION; 388 msg.rm_call.cb_prog = RPCBPROG; 389 msg.rm_call.cb_vers = RPCBVERS; 390 msg.rm_call.cb_proc = RPCBPROC_CALLIT; 391 barg.prog = prog; 392 barg.vers = vers; 393 barg.proc = proc; 394 barg.args.args_val = argsp; 395 barg.xdr_args = xargs; 396 bres.addr = uaddrp; 397 bres.results.results_val = resultsp; 398 bres.xdr_res = xresults; 399 msg.rm_call.cb_cred = sys_auth->ah_cred; 400 msg.rm_call.cb_verf = sys_auth->ah_verf; 401 xdrmem_create(xdrs, outbuf, maxbufsize, XDR_ENCODE); 402 if ((!xdr_callmsg(xdrs, &msg)) || 403 (!xdr_rpcb_rmtcallargs(xdrs, 404 (struct rpcb_rmtcallargs *)(void *)&barg))) { 405 stat = RPC_CANTENCODEARGS; 406 goto done_broad; 407 } 408 outlen = xdr_getpos(xdrs); 409 xdr_destroy(xdrs); 410 411 #ifdef PORTMAP 412 /* Prepare the packet for version 2 PORTMAP */ 413 if (pmap_flag) { 414 msg.rm_xid++; /* One way to distinguish */ 415 msg.rm_call.cb_prog = PMAPPROG; 416 msg.rm_call.cb_vers = PMAPVERS; 417 msg.rm_call.cb_proc = PMAPPROC_CALLIT; 418 barg_pmap.prog = prog; 419 barg_pmap.vers = vers; 420 barg_pmap.proc = proc; 421 barg_pmap.args_ptr = argsp; 422 barg_pmap.xdr_args = xargs; 423 bres_pmap.port_ptr = &port; 424 bres_pmap.xdr_results = xresults; 425 bres_pmap.results_ptr = resultsp; 426 xdrmem_create(xdrs, outbuf_pmap, udpbufsz, XDR_ENCODE); 427 if ((! xdr_callmsg(xdrs, &msg)) || 428 (! xdr_rmtcall_args(xdrs, &barg_pmap))) { 429 stat = RPC_CANTENCODEARGS; 430 goto done_broad; 431 } 432 outlen_pmap = xdr_getpos(xdrs); 433 xdr_destroy(xdrs); 434 } 435 #endif /* PORTMAP */ 436 437 /* 438 * Basic loop: broadcast the packets to transports which 439 * support data packets of size such that one can encode 440 * all the arguments. 441 * Wait a while for response(s). 442 * The response timeout grows larger per iteration. 443 */ 444 for (msec = inittime; msec <= waittime; msec += msec) { 445 struct broadif *bip; 446 447 /* Broadcast all the packets now */ 448 for (i = 0; i < fdlistno; i++) { 449 if (fdlist[i].dsize < outlen) { 450 stat = RPC_CANTSEND; 451 continue; 452 } 453 for (bip = TAILQ_FIRST(&fdlist[i].nal); bip != NULL; 454 bip = TAILQ_NEXT(bip, link)) { 455 void *addr; 456 457 addr = &bip->broadaddr; 458 459 __rpc_broadenable(fdlist[i].af, fdlist[i].fd, 460 bip); 461 462 /* 463 * Only use version 3 if lowvers is not set 464 */ 465 466 if (!__rpc_lowvers) 467 if (sendto(fdlist[i].fd, outbuf, 468 outlen, 0, (struct sockaddr*)addr, 469 (size_t)fdlist[i].asize) != 470 outlen) { 471 #ifdef RPC_DEBUG 472 perror("sendto"); 473 #endif 474 warnx("clnt_bcast: cannot send" 475 " broadcast packet"); 476 stat = RPC_CANTSEND; 477 continue; 478 }; 479 #ifdef RPC_DEBUG 480 if (!__rpc_lowvers) 481 fprintf(stderr, "Broadcast packet sent " 482 "for %s\n", 483 fdlist[i].nconf->nc_netid); 484 #endif 485 #ifdef PORTMAP 486 /* 487 * Send the version 2 packet also 488 * for UDP/IP 489 */ 490 if (pmap_flag && fdlist[i].proto == IPPROTO_UDP) { 491 if (sendto(fdlist[i].fd, outbuf_pmap, 492 outlen_pmap, 0, addr, 493 (size_t)fdlist[i].asize) != 494 outlen_pmap) { 495 warnx("clnt_bcast: " 496 "Cannot send broadcast packet"); 497 stat = RPC_CANTSEND; 498 continue; 499 } 500 } 501 #ifdef RPC_DEBUG 502 fprintf(stderr, "PMAP Broadcast packet " 503 "sent for %s\n", 504 fdlist[i].nconf->nc_netid); 505 #endif 506 #endif /* PORTMAP */ 507 } 508 /* End for sending all packets on this transport */ 509 } /* End for sending on all transports */ 510 511 if (eachresult == NULL) { 512 stat = RPC_SUCCESS; 513 goto done_broad; 514 } 515 516 /* 517 * Get all the replies from these broadcast requests 518 */ 519 recv_again: 520 ts.tv_sec = msec / 1000; 521 ts.tv_nsec = (msec % 1000) * 1000000; 522 523 switch (pollretval = pollts(pfd, fdlistno, &ts, NULL)) { 524 case 0: /* timed out */ 525 stat = RPC_TIMEDOUT; 526 continue; 527 case -1: /* some kind of error - we ignore it */ 528 goto recv_again; 529 } /* end of poll results switch */ 530 531 for (i = fds_found = 0; 532 i < fdlistno && fds_found < pollretval; i++) { 533 bool_t done = FALSE; 534 535 if (pfd[i].revents == 0) 536 continue; 537 else if (pfd[i].revents & POLLNVAL) { 538 /* 539 * Something bad has happened to this descri- 540 * ptor. We can cause pollts() to ignore 541 * it simply by using a negative fd. We do that 542 * rather than compacting the pfd[] and fdlist[] 543 * arrays. 544 */ 545 pfd[i].fd = -1; 546 fds_found++; 547 continue; 548 } else 549 fds_found++; 550 #ifdef RPC_DEBUG 551 fprintf(stderr, "response for %s\n", 552 fdlist[i].nconf->nc_netid); 553 #endif 554 try_again: 555 inlen = recvfrom(fdlist[i].fd, inbuf, fdlist[i].dsize, 556 0, (struct sockaddr *)(void *)&fdlist[i].raddr, 557 &fdlist[i].asize); 558 if (inlen < 0) { 559 if (errno == EINTR) 560 goto try_again; 561 warnx("clnt_bcast: Cannot receive reply to " 562 "broadcast"); 563 stat = RPC_CANTRECV; 564 continue; 565 } 566 if (inlen < sizeof (u_int32_t)) 567 continue; /* Drop that and go ahead */ 568 /* 569 * see if reply transaction id matches sent id. 570 * If so, decode the results. If return id is xid + 1 571 * it was a PORTMAP reply 572 */ 573 if (*((u_int32_t *)(void *)(inbuf)) == 574 *((u_int32_t *)(void *)(outbuf))) { 575 pmap_reply_flag = 0; 576 msg.acpted_rply.ar_verf = _null_auth; 577 msg.acpted_rply.ar_results.where = 578 (caddr_t)(void *)&bres; 579 msg.acpted_rply.ar_results.proc = 580 (xdrproc_t)xdr_rpcb_rmtcallres; 581 #ifdef PORTMAP 582 } else if (pmap_flag && 583 *((u_int32_t *)(void *)(inbuf)) == 584 *((u_int32_t *)(void *)(outbuf_pmap))) { 585 pmap_reply_flag = 1; 586 msg.acpted_rply.ar_verf = _null_auth; 587 msg.acpted_rply.ar_results.where = 588 (caddr_t)(void *)&bres_pmap; 589 msg.acpted_rply.ar_results.proc = 590 (xdrproc_t)xdr_rmtcallres; 591 #endif /* PORTMAP */ 592 } else 593 continue; 594 xdrmem_create(xdrs, inbuf, (u_int)inlen, XDR_DECODE); 595 if (xdr_replymsg(xdrs, &msg)) { 596 if ((msg.rm_reply.rp_stat == MSG_ACCEPTED) && 597 (msg.acpted_rply.ar_stat == SUCCESS)) { 598 struct netbuf taddr, *np; 599 struct sockaddr_in *bsin; 600 601 #ifdef PORTMAP 602 if (pmap_flag && pmap_reply_flag) { 603 bsin = (struct sockaddr_in *) 604 (void *)&fdlist[i].raddr; 605 bsin->sin_port = 606 htons((u_short)port); 607 taddr.len = taddr.maxlen = 608 fdlist[i].raddr.ss_len; 609 taddr.buf = &fdlist[i].raddr; 610 done = (*eachresult)(resultsp, 611 &taddr, fdlist[i].nconf); 612 } else { 613 #endif 614 #ifdef RPC_DEBUG 615 fprintf(stderr, "uaddr %s\n", 616 uaddrp); 617 #endif 618 np = uaddr2taddr( 619 fdlist[i].nconf, uaddrp); 620 done = (*eachresult)(resultsp, 621 np, fdlist[i].nconf); 622 free(np); 623 #ifdef PORTMAP 624 } 625 #endif 626 } 627 /* otherwise, we just ignore the errors ... */ 628 } 629 /* else some kind of deserialization problem ... */ 630 631 xdrs->x_op = XDR_FREE; 632 msg.acpted_rply.ar_results.proc = (xdrproc_t) xdr_void; 633 (void) xdr_replymsg(xdrs, &msg); 634 (void) (*xresults)(xdrs, resultsp); 635 XDR_DESTROY(xdrs); 636 if (done) { 637 stat = RPC_SUCCESS; 638 goto done_broad; 639 } else { 640 goto recv_again; 641 } 642 } /* The recv for loop */ 643 } /* The giant for loop */ 644 645 done_broad: 646 if (inbuf) 647 (void) free(inbuf); 648 if (outbuf) 649 (void) free(outbuf); 650 #ifdef PORTMAP 651 if (outbuf_pmap) 652 (void) free(outbuf_pmap); 653 #endif 654 for (i = 0; i < fdlistno; i++) { 655 (void) close(fdlist[i].fd); 656 __rpc_freebroadifs(&fdlist[i].nal); 657 } 658 AUTH_DESTROY(sys_auth); 659 (void) __rpc_endconf(handle); 660 661 return (stat); 662 } 663 664 665 enum clnt_stat 666 rpc_broadcast(prog, vers, proc, xargs, argsp, xresults, resultsp, 667 eachresult, nettype) 668 rpcprog_t prog; /* program number */ 669 rpcvers_t vers; /* version number */ 670 rpcproc_t proc; /* procedure number */ 671 xdrproc_t xargs; /* xdr routine for args */ 672 caddr_t argsp; /* pointer to args */ 673 xdrproc_t xresults; /* xdr routine for results */ 674 caddr_t resultsp; /* pointer to results */ 675 resultproc_t eachresult; /* call with each result obtained */ 676 const char *nettype; /* transport type */ 677 { 678 enum clnt_stat dummy; 679 680 dummy = rpc_broadcast_exp(prog, vers, proc, xargs, argsp, 681 xresults, resultsp, eachresult, 682 INITTIME, WAITTIME, nettype); 683 return (dummy); 684 } 685
Indexes created Tue Sep 23 22:09:46 GMT 2025