clnt_bcast.c revision 1.4
1 /* $NetBSD: clnt_bcast.c,v 1.4 2001/01/04 14:42:18 lukem 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 #if 0 38 #if !defined(lint) && defined(SCCSIDS) 39 static char sccsid[] = "@(#)clnt_bcast.c 1.15 89/04/21 Copyr 1988 Sun Micro"; 40 #endif 41 #endif 42 43 44 /* 45 * clnt_bcast.c 46 * Client interface to broadcast service. 47 * 48 * Copyright (C) 1988, Sun Microsystems, Inc. 49 * 50 * The following is kludged-up support for simple rpc broadcasts. 51 * Someday a large, complicated system will replace these routines. 52 */ 53 54 #include "namespace.h" 55 #include <sys/types.h> 56 #include <sys/socket.h> 57 #include <sys/queue.h> 58 #include <net/if.h> 59 #include <netinet/in.h> 60 #include <ifaddrs.h> 61 #include <sys/poll.h> 62 #include <rpc/rpc.h> 63 #ifdef PORTMAP 64 #include <rpc/pmap_prot.h> 65 #include <rpc/pmap_clnt.h> 66 #include <rpc/pmap_rmt.h> 67 #endif 68 #include <rpc/nettype.h> 69 #include <arpa/inet.h> 70 #ifdef RPC_DEBUG 71 #include <stdio.h> 72 #endif 73 #include <assert.h> 74 #include <errno.h> 75 #include <stdlib.h> 76 #include <unistd.h> 77 #include <netdb.h> 78 #include <err.h> 79 #include <string.h> 80 81 #include "rpc_com.h" 82 83 #define MAXBCAST 20 /* Max no of broadcasting transports */ 84 #define INITTIME 4000 /* Time to wait initially */ 85 #define WAITTIME 8000 /* Maximum time to wait */ 86 87 /* 88 * If nettype is NULL, it broadcasts on all the available 89 * datagram_n transports. May potentially lead to broadacst storms 90 * and hence should be used with caution, care and courage. 91 * 92 * The current parameter xdr packet size is limited by the max tsdu 93 * size of the transport. If the max tsdu size of any transport is 94 * smaller than the parameter xdr packet, then broadcast is not 95 * sent on that transport. 96 * 97 * Also, the packet size should be less the packet size of 98 * the data link layer (for ethernet it is 1400 bytes). There is 99 * no easy way to find out the max size of the data link layer and 100 * we are assuming that the args would be smaller than that. 101 * 102 * The result size has to be smaller than the transport tsdu size. 103 * 104 * If PORTMAP has been defined, we send two packets for UDP, one for 105 * rpcbind and one for portmap. For those machines which support 106 * both rpcbind and portmap, it will cause them to reply twice, and 107 * also here it will get two responses ... inefficient and clumsy. 108 */ 109 110 #ifdef __weak_alias 111 __weak_alias(rpc_broadcast_exp,_rpc_broadcast_exp) 112 __weak_alias(rpc_broadcast,_rpc_broadcast) 113 #endif 114 115 struct broadif { 116 int index; 117 struct sockaddr_storage broadaddr; 118 TAILQ_ENTRY(broadif) link; 119 }; 120 121 typedef TAILQ_HEAD(, broadif) broadlist_t; 122 123 int __rpc_getbroadifs __P((int, int, int, broadlist_t *)); 124 void __rpc_freebroadifs __P((broadlist_t *)); 125 int __rpc_broadenable __P((int, int, struct broadif *)); 126 127 int __rpc_lowvers = 0; 128 129 int 130 __rpc_getbroadifs(int af, int proto, int socktype, broadlist_t *list) 131 { 132 int count = 0; 133 struct broadif *bip; 134 struct ifaddrs *ifap, *ifp; 135 #ifdef INET6 136 struct sockaddr_in6 *sin6; 137 #endif 138 struct sockaddr_in *sin; 139 struct addrinfo hints, *res; 140 141 _DIAGASSERT(list != NULL); 142 143 if (getifaddrs(&ifp) < 0) 144 return 0; 145 146 memset(&hints, 0, sizeof hints); 147 148 hints.ai_family = af; 149 hints.ai_protocol = proto; 150 hints.ai_socktype = socktype; 151 152 if (getaddrinfo(NULL, "sunrpc", &hints, &res) != 0) 153 return 0; 154 155 for (ifap = ifp; ifap != NULL; ifap = ifap->ifa_next) { 156 if (ifap->ifa_addr->sa_family != af || 157 !(ifap->ifa_flags & IFF_UP)) 158 continue; 159 #ifdef INET6 160 if ((af == AF_INET6 && !(ifap->ifa_flags & IFF_MULTICAST)) || 161 !(ifap->ifa_flags & IFF_BROADCAST)) 162 continue; 163 #endif 164 bip = (struct broadif *)malloc(sizeof *bip); 165 if (bip == NULL) 166 break; 167 bip->index = if_nametoindex(ifap->ifa_name); 168 if ( 169 #ifdef INET6 170 af != AF_INET6 && 171 #endif 172 (ifap->ifa_flags & IFF_BROADCAST)) { 173 memcpy(&bip->broadaddr, ifap->ifa_broadaddr, 174 (size_t)ifap->ifa_broadaddr->sa_len); 175 sin = (struct sockaddr_in *)(void *)&bip->broadaddr; 176 sin->sin_port = 177 ((struct sockaddr_in *) 178 (void *)res->ai_addr)->sin_port; 179 } 180 #ifdef INET6 181 else if (af == AF_INET6) { 182 sin6 = (struct sockaddr_in6 *)(void *)&bip->broadaddr; 183 inet_pton(af, RPCB_MULTICAST_ADDR, &sin6->sin6_addr); 184 sin6->sin6_family = af; 185 sin6->sin6_len = sizeof *sin6; 186 sin6->sin6_port = 187 ((struct sockaddr_in6 *) 188 (void *)res->ai_addr)->sin6_port; 189 sin6->sin6_scope_id = bip->index; 190 } 191 #endif 192 TAILQ_INSERT_TAIL(list, bip, link); 193 count++; 194 } 195 freeifaddrs(ifp); 196 freeaddrinfo(res); 197 198 return count; 199 } 200 201 void 202 __rpc_freebroadifs(broadlist_t *list) 203 { 204 struct broadif *bip, *next; 205 206 _DIAGASSERT(list != NULL); 207 208 bip = TAILQ_FIRST(list); 209 210 while (bip != NULL) { 211 next = TAILQ_NEXT(bip, link); 212 free(bip); 213 bip = next; 214 } 215 } 216 217 int 218 /*ARGSUSED*/ 219 __rpc_broadenable(int af, int s, struct broadif *bip) 220 { 221 int o = 1; 222 223 #if 0 224 _DIAGASSERT(bip != NULL); 225 226 if (af == AF_INET6) { 227 fprintf(stderr, "set v6 multicast if to %d\n", bip->index); 228 if (setsockopt(s, IPPROTO_IPV6, IPV6_MULTICAST_IF, &bip->index, 229 sizeof bip->index) < 0) 230 return -1; 231 } else 232 #endif 233 if (setsockopt(s, SOL_SOCKET, SO_BROADCAST, &o, sizeof o) < 0) 234 return -1; 235 236 return 0; 237 } 238 239 240 enum clnt_stat 241 rpc_broadcast_exp(prog, vers, proc, xargs, argsp, xresults, resultsp, 242 eachresult, inittime, waittime, nettype) 243 rpcprog_t prog; /* program number */ 244 rpcvers_t vers; /* version number */ 245 rpcproc_t proc; /* procedure number */ 246 xdrproc_t xargs; /* xdr routine for args */ 247 caddr_t argsp; /* pointer to args */ 248 xdrproc_t xresults; /* xdr routine for results */ 249 caddr_t resultsp; /* pointer to results */ 250 resultproc_t eachresult; /* call with each result obtained */ 251 int inittime; /* how long to wait initially */ 252 int waittime; /* maximum time to wait */ 253 const char *nettype; /* transport type */ 254 { 255 enum clnt_stat stat = RPC_SUCCESS; /* Return status */ 256 XDR xdr_stream; /* XDR stream */ 257 XDR *xdrs = &xdr_stream; 258 struct rpc_msg msg; /* RPC message */ 259 struct timeval t; 260 char *outbuf = NULL; /* Broadcast msg buffer */ 261 char *inbuf = NULL; /* Reply buf */ 262 int inlen; 263 u_int maxbufsize = 0; 264 AUTH *sys_auth = authunix_create_default(); 265 int i; 266 void *handle; 267 char uaddress[1024]; /* A self imposed limit */ 268 char *uaddrp = uaddress; 269 int pmap_reply_flag; /* reply recvd from PORTMAP */ 270 /* An array of all the suitable broadcast transports */ 271 struct { 272 int fd; /* File descriptor */ 273 int af; 274 int proto; 275 struct netconfig *nconf; /* Netconfig structure */ 276 u_int asize; /* Size of the addr buf */ 277 u_int dsize; /* Size of the data buf */ 278 struct sockaddr_storage raddr; /* Remote address */ 279 broadlist_t nal; 280 } fdlist[MAXBCAST]; 281 struct pollfd pfd[MAXBCAST]; 282 size_t fdlistno = 0; 283 struct r_rpcb_rmtcallargs barg; /* Remote arguments */ 284 struct r_rpcb_rmtcallres bres; /* Remote results */ 285 size_t outlen, outlen_pmap; 286 struct netconfig *nconf; 287 int msec; 288 int pollretval; 289 int fds_found; 290 291 #ifdef PORTMAP 292 u_long port; /* Remote port number */ 293 int pmap_flag = 0; /* UDP exists ? */ 294 char *outbuf_pmap = NULL; 295 struct rmtcallargs barg_pmap; /* Remote arguments */ 296 struct rmtcallres bres_pmap; /* Remote results */ 297 u_int udpbufsz = 0; 298 #endif /* PORTMAP */ 299 300 if (sys_auth == NULL) { 301 return (RPC_SYSTEMERROR); 302 } 303 /* 304 * initialization: create a fd, a broadcast address, and send the 305 * request on the broadcast transport. 306 * Listen on all of them and on replies, call the user supplied 307 * function. 308 */ 309 310 if (nettype == NULL) 311 nettype = "datagram_n"; 312 if ((handle = __rpc_setconf(nettype)) == NULL) { 313 return (RPC_UNKNOWNPROTO); 314 } 315 while ((nconf = __rpc_getconf(handle)) != NULL) { 316 int fd; 317 struct __rpc_sockinfo si; 318 319 if (nconf->nc_semantics != NC_TPI_CLTS) 320 continue; 321 if (fdlistno >= MAXBCAST) 322 break; /* No more slots available */ 323 if (!__rpc_nconf2sockinfo(nconf, &si)) 324 continue; 325 326 TAILQ_INIT(&fdlist[fdlistno].nal); 327 if (__rpc_getbroadifs(si.si_af, si.si_proto, si.si_socktype, 328 &fdlist[fdlistno].nal) == 0) 329 continue; 330 331 fd = socket(si.si_af, si.si_socktype, si.si_proto); 332 if (fd < 0) { 333 stat = RPC_CANTSEND; 334 continue; 335 } 336 fdlist[fdlistno].af = si.si_af; 337 fdlist[fdlistno].proto = si.si_proto; 338 fdlist[fdlistno].fd = fd; 339 fdlist[fdlistno].nconf = nconf; 340 fdlist[fdlistno].asize = __rpc_get_a_size(si.si_af); 341 pfd[fdlistno].events = POLLIN | POLLPRI | 342 POLLRDNORM | POLLRDBAND; 343 pfd[fdlistno].fd = fdlist[fdlistno].fd = fd; 344 fdlist[fdlistno].dsize = __rpc_get_t_size(si.si_af, si.si_proto, 345 0); 346 347 if (maxbufsize <= fdlist[fdlistno].dsize) 348 maxbufsize = fdlist[fdlistno].dsize; 349 350 #ifdef PORTMAP 351 if (si.si_af == AF_INET && si.si_proto == IPPROTO_UDP) { 352 udpbufsz = fdlist[fdlistno].dsize; 353 if ((outbuf_pmap = malloc(udpbufsz)) == NULL) { 354 close(fd); 355 stat = RPC_SYSTEMERROR; 356 goto done_broad; 357 } 358 pmap_flag = 1; 359 } 360 #endif 361 fdlistno++; 362 } 363 364 if (fdlistno == 0) { 365 if (stat == RPC_SUCCESS) 366 stat = RPC_UNKNOWNPROTO; 367 goto done_broad; 368 } 369 if (maxbufsize == 0) { 370 if (stat == RPC_SUCCESS) 371 stat = RPC_CANTSEND; 372 goto done_broad; 373 } 374 inbuf = malloc(maxbufsize); 375 outbuf = malloc(maxbufsize); 376 if ((inbuf == NULL) || (outbuf == NULL)) { 377 stat = RPC_SYSTEMERROR; 378 goto done_broad; 379 } 380 381 /* Serialize all the arguments which have to be sent */ 382 (void) gettimeofday(&t, NULL); 383 msg.rm_xid = __RPC_GETXID(&t); 384 msg.rm_direction = CALL; 385 msg.rm_call.cb_rpcvers = RPC_MSG_VERSION; 386 msg.rm_call.cb_prog = RPCBPROG; 387 msg.rm_call.cb_vers = RPCBVERS; 388 msg.rm_call.cb_proc = RPCBPROC_CALLIT; 389 barg.prog = prog; 390 barg.vers = vers; 391 barg.proc = proc; 392 barg.args.args_val = argsp; 393 barg.xdr_args = xargs; 394 bres.addr = uaddrp; 395 bres.results.results_val = resultsp; 396 bres.xdr_res = xresults; 397 msg.rm_call.cb_cred = sys_auth->ah_cred; 398 msg.rm_call.cb_verf = sys_auth->ah_verf; 399 xdrmem_create(xdrs, outbuf, maxbufsize, XDR_ENCODE); 400 if ((!xdr_callmsg(xdrs, &msg)) || 401 (!xdr_rpcb_rmtcallargs(xdrs, 402 (struct rpcb_rmtcallargs *)(void *)&barg))) { 403 stat = RPC_CANTENCODEARGS; 404 goto done_broad; 405 } 406 outlen = xdr_getpos(xdrs); 407 xdr_destroy(xdrs); 408 409 #ifdef PORTMAP 410 /* Prepare the packet for version 2 PORTMAP */ 411 if (pmap_flag) { 412 msg.rm_xid++; /* One way to distinguish */ 413 msg.rm_call.cb_prog = PMAPPROG; 414 msg.rm_call.cb_vers = PMAPVERS; 415 msg.rm_call.cb_proc = PMAPPROC_CALLIT; 416 barg_pmap.prog = prog; 417 barg_pmap.vers = vers; 418 barg_pmap.proc = proc; 419 barg_pmap.args_ptr = argsp; 420 barg_pmap.xdr_args = xargs; 421 bres_pmap.port_ptr = &port; 422 bres_pmap.xdr_results = xresults; 423 bres_pmap.results_ptr = resultsp; 424 xdrmem_create(xdrs, outbuf_pmap, udpbufsz, XDR_ENCODE); 425 if ((! xdr_callmsg(xdrs, &msg)) || 426 (! xdr_rmtcall_args(xdrs, &barg_pmap))) { 427 stat = RPC_CANTENCODEARGS; 428 goto done_broad; 429 } 430 outlen_pmap = xdr_getpos(xdrs); 431 xdr_destroy(xdrs); 432 } 433 #endif /* PORTMAP */ 434 435 /* 436 * Basic loop: broadcast the packets to transports which 437 * support data packets of size such that one can encode 438 * all the arguments. 439 * Wait a while for response(s). 440 * The response timeout grows larger per iteration. 441 */ 442 for (msec = inittime; msec <= waittime; msec += msec) { 443 struct broadif *bip; 444 445 /* Broadcast all the packets now */ 446 for (i = 0; i < fdlistno; i++) { 447 if (fdlist[i].dsize < outlen) { 448 stat = RPC_CANTSEND; 449 continue; 450 } 451 for (bip = TAILQ_FIRST(&fdlist[i].nal); bip != NULL; 452 bip = TAILQ_NEXT(bip, link)) { 453 void *addr; 454 455 addr = &bip->broadaddr; 456 457 __rpc_broadenable(fdlist[i].af, fdlist[i].fd, 458 bip); 459 460 /* 461 * Only use version 3 if lowvers is not set 462 */ 463 464 if (!__rpc_lowvers) 465 if (sendto(fdlist[i].fd, outbuf, 466 outlen, 0, (struct sockaddr*)addr, 467 (size_t)fdlist[i].asize) != 468 outlen) { 469 #ifdef RPC_DEBUG 470 perror("sendto"); 471 #endif 472 warnx("clnt_bcast: cannot send" 473 "broadcast packet"); 474 stat = RPC_CANTSEND; 475 continue; 476 }; 477 #ifdef RPC_DEBUG 478 if (!__rpc_lowvers) 479 fprintf(stderr, "Broadcast packet sent " 480 "for %s\n", 481 fdlist[i].nconf->nc_netid); 482 #endif 483 #ifdef PORTMAP 484 /* 485 * Send the version 2 packet also 486 * for UDP/IP 487 */ 488 if (fdlist[i].proto == IPPROTO_UDP) { 489 if (sendto(fdlist[i].fd, outbuf_pmap, 490 outlen_pmap, 0, addr, 491 (size_t)fdlist[i].asize) != 492 outlen_pmap) { 493 warnx("clnt_bcast: " 494 "Cannot send broadcast packet"); 495 stat = RPC_CANTSEND; 496 continue; 497 } 498 } 499 #ifdef RPC_DEBUG 500 fprintf(stderr, "PMAP Broadcast packet " 501 "sent for %s\n", 502 fdlist[i].nconf->nc_netid); 503 #endif 504 #endif /* PORTMAP */ 505 } 506 /* End for sending all packets on this transport */ 507 } /* End for sending on all transports */ 508 509 if (eachresult == NULL) { 510 stat = RPC_SUCCESS; 511 goto done_broad; 512 } 513 514 /* 515 * Get all the replies from these broadcast requests 516 */ 517 recv_again: 518 519 switch (pollretval = poll(pfd, fdlistno, msec)) { 520 case 0: /* timed out */ 521 stat = RPC_TIMEDOUT; 522 continue; 523 case -1: /* some kind of error - we ignore it */ 524 goto recv_again; 525 } /* end of poll results switch */ 526 527 for (i = fds_found = 0; 528 i < fdlistno && fds_found < pollretval; i++) { 529 bool_t done = FALSE; 530 531 if (pfd[i].revents == 0) 532 continue; 533 else if (pfd[i].revents & POLLNVAL) { 534 /* 535 * Something bad has happened to this descri- 536 * ptor. We can cause poll() to ignore 537 * it simply by using a negative fd. We do that 538 * rather than compacting the pfd[] and fdlist[] 539 * arrays. 540 */ 541 pfd[i].fd = -1; 542 fds_found++; 543 continue; 544 } else 545 fds_found++; 546 #ifdef RPC_DEBUG 547 fprintf(stderr, "response for %s\n", 548 fdlist[i].nconf->nc_netid); 549 #endif 550 try_again: 551 inlen = recvfrom(fdlist[i].fd, inbuf, fdlist[i].dsize, 552 0, (struct sockaddr *)(void *)&fdlist[i].raddr, 553 &fdlist[i].asize); 554 if (inlen < 0) { 555 if (errno == EINTR) 556 goto try_again; 557 warnx("clnt_bcast: Cannot receive reply to " 558 "broadcast"); 559 stat = RPC_CANTRECV; 560 continue; 561 } 562 if (inlen < sizeof (u_int32_t)) 563 continue; /* Drop that and go ahead */ 564 /* 565 * see if reply transaction id matches sent id. 566 * If so, decode the results. If return id is xid + 1 567 * it was a PORTMAP reply 568 */ 569 if (*((u_int32_t *)(void *)(inbuf)) == 570 *((u_int32_t *)(void *)(outbuf))) { 571 pmap_reply_flag = 0; 572 msg.acpted_rply.ar_verf = _null_auth; 573 msg.acpted_rply.ar_results.where = 574 (caddr_t)(void *)&bres; 575 msg.acpted_rply.ar_results.proc = 576 (xdrproc_t)xdr_rpcb_rmtcallres; 577 #ifdef PORTMAP 578 } else if (pmap_flag && 579 *((u_int32_t *)(void *)(inbuf)) == 580 *((u_int32_t *)(void *)(outbuf_pmap))) { 581 pmap_reply_flag = 1; 582 msg.acpted_rply.ar_verf = _null_auth; 583 msg.acpted_rply.ar_results.where = 584 (caddr_t)(void *)&bres_pmap; 585 msg.acpted_rply.ar_results.proc = 586 (xdrproc_t)xdr_rmtcallres; 587 #endif /* PORTMAP */ 588 } else 589 continue; 590 xdrmem_create(xdrs, inbuf, (u_int)inlen, XDR_DECODE); 591 if (xdr_replymsg(xdrs, &msg)) { 592 if ((msg.rm_reply.rp_stat == MSG_ACCEPTED) && 593 (msg.acpted_rply.ar_stat == SUCCESS)) { 594 struct netbuf taddr, *np; 595 struct sockaddr_in *sin; 596 597 #ifdef PORTMAP 598 if (pmap_flag && pmap_reply_flag) { 599 sin = (struct sockaddr_in *) 600 (void *)&fdlist[i].raddr; 601 sin->sin_port = 602 htons((u_short)port); 603 taddr.len = taddr.maxlen = 604 fdlist[i].raddr.ss_len; 605 taddr.buf = &fdlist[i].raddr; 606 done = (*eachresult)(resultsp, 607 &taddr, fdlist[i].nconf); 608 } else { 609 #endif 610 #ifdef RPC_DEBUG 611 fprintf(stderr, "uaddr %s\n", 612 uaddrp); 613 #endif 614 np = uaddr2taddr( 615 fdlist[i].nconf, uaddrp); 616 done = (*eachresult)(resultsp, 617 np, fdlist[i].nconf); 618 free(np); 619 #ifdef PORTMAP 620 } 621 #endif 622 } 623 /* otherwise, we just ignore the errors ... */ 624 } 625 /* else some kind of deserialization problem ... */ 626 627 xdrs->x_op = XDR_FREE; 628 msg.acpted_rply.ar_results.proc = (xdrproc_t) xdr_void; 629 (void) xdr_replymsg(xdrs, &msg); 630 (void) (*xresults)(xdrs, resultsp); 631 XDR_DESTROY(xdrs); 632 if (done) { 633 stat = RPC_SUCCESS; 634 goto done_broad; 635 } else { 636 goto recv_again; 637 } 638 } /* The recv for loop */ 639 } /* The giant for loop */ 640 641 done_broad: 642 if (inbuf) 643 (void) free(inbuf); 644 if (outbuf) 645 (void) free(outbuf); 646 #ifdef PORTMAP 647 if (outbuf_pmap) 648 (void) free(outbuf_pmap); 649 #endif 650 for (i = 0; i < fdlistno; i++) { 651 (void) close(fdlist[i].fd); 652 __rpc_freebroadifs(&fdlist[i].nal); 653 } 654 AUTH_DESTROY(sys_auth); 655 (void) __rpc_endconf(handle); 656 657 return (stat); 658 } 659 660 661 enum clnt_stat 662 rpc_broadcast(prog, vers, proc, xargs, argsp, xresults, resultsp, 663 eachresult, nettype) 664 rpcprog_t prog; /* program number */ 665 rpcvers_t vers; /* version number */ 666 rpcproc_t proc; /* procedure number */ 667 xdrproc_t xargs; /* xdr routine for args */ 668 caddr_t argsp; /* pointer to args */ 669 xdrproc_t xresults; /* xdr routine for results */ 670 caddr_t resultsp; /* pointer to results */ 671 resultproc_t eachresult; /* call with each result obtained */ 672 const char *nettype; /* transport type */ 673 { 674 enum clnt_stat dummy; 675 676 dummy = rpc_broadcast_exp(prog, vers, proc, xargs, argsp, 677 xresults, resultsp, eachresult, 678 INITTIME, WAITTIME, nettype); 679 return (dummy); 680 } 681
Indexes created Tue Sep 23 14:10:03 GMT 2025