clnt_bcast.c revision 1.6
1 /* $NetBSD: clnt_bcast.c,v 1.6 2001/09/28 08:45:41 yamt 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; 286 struct netconfig *nconf; 287 int msec; 288 int pollretval; 289 int fds_found; 290 291 #ifdef PORTMAP 292 size_t outlen_pmap; 293 u_long port; /* Remote port number */ 294 int pmap_flag = 0; /* UDP exists ? */ 295 char *outbuf_pmap = NULL; 296 struct rmtcallargs barg_pmap; /* Remote arguments */ 297 struct rmtcallres bres_pmap; /* Remote results */ 298 u_int udpbufsz = 0; 299 #endif /* PORTMAP */ 300 301 if (sys_auth == NULL) { 302 return (RPC_SYSTEMERROR); 303 } 304 /* 305 * initialization: create a fd, a broadcast address, and send the 306 * request on the broadcast transport. 307 * Listen on all of them and on replies, call the user supplied 308 * function. 309 */ 310 311 if (nettype == NULL) 312 nettype = "datagram_n"; 313 if ((handle = __rpc_setconf(nettype)) == NULL) { 314 return (RPC_UNKNOWNPROTO); 315 } 316 while ((nconf = __rpc_getconf(handle)) != NULL) { 317 int fd; 318 struct __rpc_sockinfo si; 319 320 if (nconf->nc_semantics != NC_TPI_CLTS) 321 continue; 322 if (fdlistno >= MAXBCAST) 323 break; /* No more slots available */ 324 if (!__rpc_nconf2sockinfo(nconf, &si)) 325 continue; 326 327 TAILQ_INIT(&fdlist[fdlistno].nal); 328 if (__rpc_getbroadifs(si.si_af, si.si_proto, si.si_socktype, 329 &fdlist[fdlistno].nal) == 0) 330 continue; 331 332 fd = socket(si.si_af, si.si_socktype, si.si_proto); 333 if (fd < 0) { 334 stat = RPC_CANTSEND; 335 continue; 336 } 337 fdlist[fdlistno].af = si.si_af; 338 fdlist[fdlistno].proto = si.si_proto; 339 fdlist[fdlistno].fd = fd; 340 fdlist[fdlistno].nconf = nconf; 341 fdlist[fdlistno].asize = __rpc_get_a_size(si.si_af); 342 pfd[fdlistno].events = POLLIN | POLLPRI | 343 POLLRDNORM | POLLRDBAND; 344 pfd[fdlistno].fd = fdlist[fdlistno].fd = fd; 345 fdlist[fdlistno].dsize = __rpc_get_t_size(si.si_af, si.si_proto, 346 0); 347 348 if (maxbufsize <= fdlist[fdlistno].dsize) 349 maxbufsize = fdlist[fdlistno].dsize; 350 351 #ifdef PORTMAP 352 if (si.si_af == AF_INET && si.si_proto == IPPROTO_UDP) { 353 udpbufsz = fdlist[fdlistno].dsize; 354 if ((outbuf_pmap = malloc(udpbufsz)) == NULL) { 355 close(fd); 356 stat = RPC_SYSTEMERROR; 357 goto done_broad; 358 } 359 pmap_flag = 1; 360 } 361 #endif 362 fdlistno++; 363 } 364 365 if (fdlistno == 0) { 366 if (stat == RPC_SUCCESS) 367 stat = RPC_UNKNOWNPROTO; 368 goto done_broad; 369 } 370 if (maxbufsize == 0) { 371 if (stat == RPC_SUCCESS) 372 stat = RPC_CANTSEND; 373 goto done_broad; 374 } 375 inbuf = malloc(maxbufsize); 376 outbuf = malloc(maxbufsize); 377 if ((inbuf == NULL) || (outbuf == NULL)) { 378 stat = RPC_SYSTEMERROR; 379 goto done_broad; 380 } 381 382 /* Serialize all the arguments which have to be sent */ 383 (void) gettimeofday(&t, NULL); 384 msg.rm_xid = __RPC_GETXID(&t); 385 msg.rm_direction = CALL; 386 msg.rm_call.cb_rpcvers = RPC_MSG_VERSION; 387 msg.rm_call.cb_prog = RPCBPROG; 388 msg.rm_call.cb_vers = RPCBVERS; 389 msg.rm_call.cb_proc = RPCBPROC_CALLIT; 390 barg.prog = prog; 391 barg.vers = vers; 392 barg.proc = proc; 393 barg.args.args_val = argsp; 394 barg.xdr_args = xargs; 395 bres.addr = uaddrp; 396 bres.results.results_val = resultsp; 397 bres.xdr_res = xresults; 398 msg.rm_call.cb_cred = sys_auth->ah_cred; 399 msg.rm_call.cb_verf = sys_auth->ah_verf; 400 xdrmem_create(xdrs, outbuf, maxbufsize, XDR_ENCODE); 401 if ((!xdr_callmsg(xdrs, &msg)) || 402 (!xdr_rpcb_rmtcallargs(xdrs, 403 (struct rpcb_rmtcallargs *)(void *)&barg))) { 404 stat = RPC_CANTENCODEARGS; 405 goto done_broad; 406 } 407 outlen = xdr_getpos(xdrs); 408 xdr_destroy(xdrs); 409 410 #ifdef PORTMAP 411 /* Prepare the packet for version 2 PORTMAP */ 412 if (pmap_flag) { 413 msg.rm_xid++; /* One way to distinguish */ 414 msg.rm_call.cb_prog = PMAPPROG; 415 msg.rm_call.cb_vers = PMAPVERS; 416 msg.rm_call.cb_proc = PMAPPROC_CALLIT; 417 barg_pmap.prog = prog; 418 barg_pmap.vers = vers; 419 barg_pmap.proc = proc; 420 barg_pmap.args_ptr = argsp; 421 barg_pmap.xdr_args = xargs; 422 bres_pmap.port_ptr = &port; 423 bres_pmap.xdr_results = xresults; 424 bres_pmap.results_ptr = resultsp; 425 xdrmem_create(xdrs, outbuf_pmap, udpbufsz, XDR_ENCODE); 426 if ((! xdr_callmsg(xdrs, &msg)) || 427 (! xdr_rmtcall_args(xdrs, &barg_pmap))) { 428 stat = RPC_CANTENCODEARGS; 429 goto done_broad; 430 } 431 outlen_pmap = xdr_getpos(xdrs); 432 xdr_destroy(xdrs); 433 } 434 #endif /* PORTMAP */ 435 436 /* 437 * Basic loop: broadcast the packets to transports which 438 * support data packets of size such that one can encode 439 * all the arguments. 440 * Wait a while for response(s). 441 * The response timeout grows larger per iteration. 442 */ 443 for (msec = inittime; msec <= waittime; msec += msec) { 444 struct broadif *bip; 445 446 /* Broadcast all the packets now */ 447 for (i = 0; i < fdlistno; i++) { 448 if (fdlist[i].dsize < outlen) { 449 stat = RPC_CANTSEND; 450 continue; 451 } 452 for (bip = TAILQ_FIRST(&fdlist[i].nal); bip != NULL; 453 bip = TAILQ_NEXT(bip, link)) { 454 void *addr; 455 456 addr = &bip->broadaddr; 457 458 __rpc_broadenable(fdlist[i].af, fdlist[i].fd, 459 bip); 460 461 /* 462 * Only use version 3 if lowvers is not set 463 */ 464 465 if (!__rpc_lowvers) 466 if (sendto(fdlist[i].fd, outbuf, 467 outlen, 0, (struct sockaddr*)addr, 468 (size_t)fdlist[i].asize) != 469 outlen) { 470 #ifdef RPC_DEBUG 471 perror("sendto"); 472 #endif 473 warnx("clnt_bcast: cannot send" 474 " broadcast packet"); 475 stat = RPC_CANTSEND; 476 continue; 477 }; 478 #ifdef RPC_DEBUG 479 if (!__rpc_lowvers) 480 fprintf(stderr, "Broadcast packet sent " 481 "for %s\n", 482 fdlist[i].nconf->nc_netid); 483 #endif 484 #ifdef PORTMAP 485 /* 486 * Send the version 2 packet also 487 * for UDP/IP 488 */ 489 if (pmap_flag && fdlist[i].proto == IPPROTO_UDP) { 490 if (sendto(fdlist[i].fd, outbuf_pmap, 491 outlen_pmap, 0, addr, 492 (size_t)fdlist[i].asize) != 493 outlen_pmap) { 494 warnx("clnt_bcast: " 495 "Cannot send broadcast packet"); 496 stat = RPC_CANTSEND; 497 continue; 498 } 499 } 500 #ifdef RPC_DEBUG 501 fprintf(stderr, "PMAP Broadcast packet " 502 "sent for %s\n", 503 fdlist[i].nconf->nc_netid); 504 #endif 505 #endif /* PORTMAP */ 506 } 507 /* End for sending all packets on this transport */ 508 } /* End for sending on all transports */ 509 510 if (eachresult == NULL) { 511 stat = RPC_SUCCESS; 512 goto done_broad; 513 } 514 515 /* 516 * Get all the replies from these broadcast requests 517 */ 518 recv_again: 519 520 switch (pollretval = poll(pfd, fdlistno, msec)) { 521 case 0: /* timed out */ 522 stat = RPC_TIMEDOUT; 523 continue; 524 case -1: /* some kind of error - we ignore it */ 525 goto recv_again; 526 } /* end of poll results switch */ 527 528 for (i = fds_found = 0; 529 i < fdlistno && fds_found < pollretval; i++) { 530 bool_t done = FALSE; 531 532 if (pfd[i].revents == 0) 533 continue; 534 else if (pfd[i].revents & POLLNVAL) { 535 /* 536 * Something bad has happened to this descri- 537 * ptor. We can cause poll() to ignore 538 * it simply by using a negative fd. We do that 539 * rather than compacting the pfd[] and fdlist[] 540 * arrays. 541 */ 542 pfd[i].fd = -1; 543 fds_found++; 544 continue; 545 } else 546 fds_found++; 547 #ifdef RPC_DEBUG 548 fprintf(stderr, "response for %s\n", 549 fdlist[i].nconf->nc_netid); 550 #endif 551 try_again: 552 inlen = recvfrom(fdlist[i].fd, inbuf, fdlist[i].dsize, 553 0, (struct sockaddr *)(void *)&fdlist[i].raddr, 554 &fdlist[i].asize); 555 if (inlen < 0) { 556 if (errno == EINTR) 557 goto try_again; 558 warnx("clnt_bcast: Cannot receive reply to " 559 "broadcast"); 560 stat = RPC_CANTRECV; 561 continue; 562 } 563 if (inlen < sizeof (u_int32_t)) 564 continue; /* Drop that and go ahead */ 565 /* 566 * see if reply transaction id matches sent id. 567 * If so, decode the results. If return id is xid + 1 568 * it was a PORTMAP reply 569 */ 570 if (*((u_int32_t *)(void *)(inbuf)) == 571 *((u_int32_t *)(void *)(outbuf))) { 572 pmap_reply_flag = 0; 573 msg.acpted_rply.ar_verf = _null_auth; 574 msg.acpted_rply.ar_results.where = 575 (caddr_t)(void *)&bres; 576 msg.acpted_rply.ar_results.proc = 577 (xdrproc_t)xdr_rpcb_rmtcallres; 578 #ifdef PORTMAP 579 } else if (pmap_flag && 580 *((u_int32_t *)(void *)(inbuf)) == 581 *((u_int32_t *)(void *)(outbuf_pmap))) { 582 pmap_reply_flag = 1; 583 msg.acpted_rply.ar_verf = _null_auth; 584 msg.acpted_rply.ar_results.where = 585 (caddr_t)(void *)&bres_pmap; 586 msg.acpted_rply.ar_results.proc = 587 (xdrproc_t)xdr_rmtcallres; 588 #endif /* PORTMAP */ 589 } else 590 continue; 591 xdrmem_create(xdrs, inbuf, (u_int)inlen, XDR_DECODE); 592 if (xdr_replymsg(xdrs, &msg)) { 593 if ((msg.rm_reply.rp_stat == MSG_ACCEPTED) && 594 (msg.acpted_rply.ar_stat == SUCCESS)) { 595 struct netbuf taddr, *np; 596 struct sockaddr_in *sin; 597 598 #ifdef PORTMAP 599 if (pmap_flag && pmap_reply_flag) { 600 sin = (struct sockaddr_in *) 601 (void *)&fdlist[i].raddr; 602 sin->sin_port = 603 htons((u_short)port); 604 taddr.len = taddr.maxlen = 605 fdlist[i].raddr.ss_len; 606 taddr.buf = &fdlist[i].raddr; 607 done = (*eachresult)(resultsp, 608 &taddr, fdlist[i].nconf); 609 } else { 610 #endif 611 #ifdef RPC_DEBUG 612 fprintf(stderr, "uaddr %s\n", 613 uaddrp); 614 #endif 615 np = uaddr2taddr( 616 fdlist[i].nconf, uaddrp); 617 done = (*eachresult)(resultsp, 618 np, fdlist[i].nconf); 619 free(np); 620 #ifdef PORTMAP 621 } 622 #endif 623 } 624 /* otherwise, we just ignore the errors ... */ 625 } 626 /* else some kind of deserialization problem ... */ 627 628 xdrs->x_op = XDR_FREE; 629 msg.acpted_rply.ar_results.proc = (xdrproc_t) xdr_void; 630 (void) xdr_replymsg(xdrs, &msg); 631 (void) (*xresults)(xdrs, resultsp); 632 XDR_DESTROY(xdrs); 633 if (done) { 634 stat = RPC_SUCCESS; 635 goto done_broad; 636 } else { 637 goto recv_again; 638 } 639 } /* The recv for loop */ 640 } /* The giant for loop */ 641 642 done_broad: 643 if (inbuf) 644 (void) free(inbuf); 645 if (outbuf) 646 (void) free(outbuf); 647 #ifdef PORTMAP 648 if (outbuf_pmap) 649 (void) free(outbuf_pmap); 650 #endif 651 for (i = 0; i < fdlistno; i++) { 652 (void) close(fdlist[i].fd); 653 __rpc_freebroadifs(&fdlist[i].nal); 654 } 655 AUTH_DESTROY(sys_auth); 656 (void) __rpc_endconf(handle); 657 658 return (stat); 659 } 660 661 662 enum clnt_stat 663 rpc_broadcast(prog, vers, proc, xargs, argsp, xresults, resultsp, 664 eachresult, nettype) 665 rpcprog_t prog; /* program number */ 666 rpcvers_t vers; /* version number */ 667 rpcproc_t proc; /* procedure number */ 668 xdrproc_t xargs; /* xdr routine for args */ 669 caddr_t argsp; /* pointer to args */ 670 xdrproc_t xresults; /* xdr routine for results */ 671 caddr_t resultsp; /* pointer to results */ 672 resultproc_t eachresult; /* call with each result obtained */ 673 const char *nettype; /* transport type */ 674 { 675 enum clnt_stat dummy; 676 677 dummy = rpc_broadcast_exp(prog, vers, proc, xargs, argsp, 678 xresults, resultsp, eachresult, 679 INITTIME, WAITTIME, nettype); 680 return (dummy); 681 } 682
Indexes created Tue Sep 23 14:10:03 GMT 2025