ypbind.c revision 1.3
1 /* 2 * Copyright (c) 1992/3 Theo de Raadt <deraadt (at) fsa.ca> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote 14 * products derived from this software without specific prior written 15 * permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 18 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #ifndef LINT 31 static char rcsid[] = "$Id: ypbind.c,v 1.3 1993/09/05 16:10:01 deraadt Exp $"; 32 #endif 33 34 #include <sys/param.h> 35 #include <sys/types.h> 36 #include <sys/ioctl.h> 37 #include <sys/signal.h> 38 #include <sys/socket.h> 39 #include <sys/file.h> 40 #include <sys/fcntl.h> 41 #include <sys/syslog.h> 42 #include <stdio.h> 43 #include <errno.h> 44 #include <ctype.h> 45 #include <dirent.h> 46 #include <netdb.h> 47 #include <string.h> 48 #include <rpc/rpc.h> 49 #include <rpc/xdr.h> 50 #include <net/if.h> 51 #include <arpa/inet.h> 52 #include <rpc/pmap_clnt.h> 53 #include <rpc/pmap_prot.h> 54 #include <rpc/pmap_rmt.h> 55 #include <unistd.h> 56 #include <rpcsvc/yp_prot.h> 57 #include <rpcsvc/ypclnt.h> 58 59 #ifndef BINDINGDIR 60 #define BINDINGDIR "/var/yp/binding" 61 #endif 62 63 struct _dom_binding { 64 struct _dom_binding *dom_pnext; 65 char dom_domain[YPMAXDOMAIN + 1]; 66 struct sockaddr_in dom_server_addr; 67 unsigned short int dom_server_port; 68 int dom_socket; 69 CLIENT *dom_client; 70 long int dom_vers; 71 time_t dom_check_t; 72 int dom_lockfd; 73 int dom_alive; 74 }; 75 76 extern bool_t xdr_domainname(), xdr_ypbind_resp(); 77 extern bool_t xdr_ypreq_key(), xdr_ypresp_val(); 78 extern bool_t xdr_ypbind_setdom(); 79 80 char *domainname; 81 82 struct _dom_binding *ypbindlist; 83 int check; 84 85 #define YPSET_NO 0 86 #define YPSET_LOCAL 1 87 #define YPSET_ALL 2 88 int ypsetmode = YPSET_NO; 89 90 int rpcsock; 91 struct rmtcallargs rmtca; 92 struct rmtcallres rmtcr; 93 char rmtcr_outval; 94 u_long rmtcr_port; 95 96 void * 97 ypbindproc_null_2(transp, argp, clnt) 98 SVCXPRT *transp; 99 void *argp; 100 CLIENT *clnt; 101 { 102 static char res; 103 104 bzero((char *)&res, sizeof(res)); 105 return (void *)&res; 106 } 107 108 struct ypbind_resp * 109 ypbindproc_domain_2(transp, argp, clnt) 110 SVCXPRT *transp; 111 char *argp; 112 CLIENT *clnt; 113 { 114 static struct ypbind_resp res; 115 struct _dom_binding *ypdb; 116 char path[MAXPATHLEN]; 117 118 bzero((char *)&res, sizeof res); 119 res.ypbind_status = YPBIND_FAIL_VAL; 120 121 for(ypdb=ypbindlist; ypdb; ypdb=ypdb->dom_pnext) 122 if( strcmp(ypdb->dom_domain, argp) == 0) 123 break; 124 125 if(ypdb==NULL) { 126 ypdb = (struct _dom_binding *)malloc(sizeof *ypdb); 127 bzero((char *)ypdb, sizeof *ypdb); 128 strncpy(ypdb->dom_domain, argp, sizeof ypdb->dom_domain); 129 ypdb->dom_vers = YPVERS; 130 ypdb->dom_alive = 0; 131 ypdb->dom_lockfd = -1; 132 sprintf(path, "%s/%s.%d", BINDINGDIR, ypdb->dom_domain, ypdb->dom_vers); 133 unlink(path); 134 ypdb->dom_pnext = ypbindlist; 135 ypbindlist = ypdb; 136 check++; 137 return NULL; 138 } 139 140 if(ypdb->dom_alive==0) 141 return NULL; 142 143 #if 0 144 delta = ypdb->dom_check_t - ypdb->dom_ask_t; 145 if( !(ypdb->dom_ask_t==0 || delta > 5)) { 146 ypdb->dom_ask_t = time(NULL); 147 /* 148 * Hmm. More than 2 requests in 5 seconds have indicated that my 149 * binding is possibly incorrect. Ok, make myself unalive, and 150 * find out what the actual state is. 151 */ 152 if(ypdb->dom_lockfd!=-1) 153 close(ypdb->dom_lockfd); 154 ypdb->dom_lockfd = -1; 155 ypdb->dom_alive = 0; 156 ypdb->dom_lockfd = -1; 157 sprintf(path, "%s/%s.%d", BINDINGDIR, ypdb->dom_domain, ypdb->dom_vers); 158 unlink(path); 159 check++; 160 return NULL; 161 } 162 #endif 163 164 answer: 165 res.ypbind_status = YPBIND_SUCC_VAL; 166 res.ypbind_respbody.ypbind_bindinfo.ypbind_binding_addr.s_addr = 167 ypdb->dom_server_addr.sin_addr.s_addr; 168 res.ypbind_respbody.ypbind_bindinfo.ypbind_binding_port = 169 ypdb->dom_server_port; 170 /*printf("domain %s at %s/%d\n", ypdb->dom_domain, 171 inet_ntoa(ypdb->dom_server_addr.sin_addr), 172 ntohs(ypdb->dom_server_addr.sin_port));*/ 173 return &res; 174 } 175 176 bool_t * 177 ypbindproc_setdom_2(transp, argp, clnt) 178 SVCXPRT *transp; 179 struct ypbind_setdom *argp; 180 CLIENT *clnt; 181 { 182 struct sockaddr_in *fromsin, bindsin; 183 char res; 184 185 bzero((char *)&res, sizeof(res)); 186 fromsin = svc_getcaller(transp); 187 188 switch(ypsetmode) { 189 case YPSET_LOCAL: 190 if( fromsin->sin_addr.s_addr != htonl(INADDR_LOOPBACK)) 191 return (void *)NULL; 192 break; 193 case YPSET_ALL: 194 break; 195 case YPSET_NO: 196 default: 197 return (void *)NULL; 198 } 199 200 if(argp->ypsetdom_vers != YPVERS) 201 return (void *)&res; 202 203 bzero((char *)&bindsin, sizeof bindsin); 204 bindsin.sin_family = AF_INET; 205 bindsin.sin_addr.s_addr = argp->ypsetdom_addr.s_addr; 206 bindsin.sin_port = argp->ypsetdom_port; 207 rpc_received(argp->ypsetdom_domain, &bindsin, 1); 208 209 res = 1; 210 return (void *)&res; 211 } 212 213 static void 214 ypbindprog_2(rqstp, transp) 215 struct svc_req *rqstp; 216 register SVCXPRT *transp; 217 { 218 union { 219 char ypbindproc_domain_2_arg[MAXHOSTNAMELEN]; 220 struct ypbind_setdom ypbindproc_setdom_2_arg; 221 } argument; 222 struct authunix_parms *creds; 223 char *result; 224 bool_t (*xdr_argument)(), (*xdr_result)(); 225 char *(*local)(); 226 227 switch (rqstp->rq_proc) { 228 case YPBINDPROC_NULL: 229 xdr_argument = xdr_void; 230 xdr_result = xdr_void; 231 local = (char *(*)()) ypbindproc_null_2; 232 break; 233 234 case YPBINDPROC_DOMAIN: 235 xdr_argument = xdr_domainname; 236 xdr_result = xdr_ypbind_resp; 237 local = (char *(*)()) ypbindproc_domain_2; 238 break; 239 240 case YPBINDPROC_SETDOM: 241 switch(rqstp->rq_cred.oa_flavor) { 242 case AUTH_UNIX: 243 creds = (struct authunix_parms *)rqstp->rq_clntcred; 244 if( creds->aup_uid != 0) { 245 svcerr_auth(transp, AUTH_BADCRED); 246 return; 247 } 248 break; 249 default: 250 svcerr_auth(transp, AUTH_TOOWEAK); 251 return; 252 } 253 254 xdr_argument = xdr_ypbind_setdom; 255 xdr_result = xdr_void; 256 local = (char *(*)()) ypbindproc_setdom_2; 257 break; 258 259 default: 260 svcerr_noproc(transp); 261 return; 262 } 263 bzero((char *)&argument, sizeof(argument)); 264 if (!svc_getargs(transp, xdr_argument, &argument)) { 265 svcerr_decode(transp); 266 return; 267 } 268 result = (*local)(transp, &argument, rqstp); 269 if (result != NULL && !svc_sendreply(transp, xdr_result, result)) { 270 svcerr_systemerr(transp); 271 } 272 return; 273 } 274 275 main(argc, argv) 276 char **argv; 277 { 278 char path[MAXPATHLEN]; 279 struct timeval tv; 280 SVCXPRT *transp; 281 fd_set fdsr; 282 int width; 283 int i; 284 285 yp_get_default_domain(&domainname); 286 if( domainname[0] == '\0') { 287 fprintf(stderr, "domainname not set. Aborting.\n"); 288 exit(1); 289 } 290 291 for(i=1; i<argc; i++) { 292 if( strcmp("-ypset", argv[i]) == 0) 293 ypsetmode = YPSET_ALL; 294 else if (strcmp("-ypsetme", argv[i]) == 0) 295 ypsetmode = YPSET_LOCAL; 296 } 297 298 /* blow away everything in BINDINGDIR */ 299 300 301 302 #ifdef DAEMON 303 switch(fork()) { 304 case 0: 305 break; 306 case -1: 307 perror("fork"); 308 exit(1); 309 default: 310 exit(0); 311 } 312 setsid(); 313 #endif 314 315 pmap_unset(YPBINDPROG, YPBINDVERS); 316 317 transp = svcudp_create(RPC_ANYSOCK); 318 if (transp == NULL) { 319 fprintf(stderr, "cannot create udp service."); 320 exit(1); 321 } 322 if (!svc_register(transp, YPBINDPROG, YPBINDVERS, ypbindprog_2, IPPROTO_UDP)) { 323 fprintf(stderr, "unable to register (YPBINDPROG, YPBINDVERS, udp)."); 324 exit(1); 325 } 326 327 transp = svctcp_create(RPC_ANYSOCK, 0, 0); 328 if (transp == NULL) { 329 fprintf(stderr, "cannot create tcp service."); 330 exit(1); 331 } 332 333 if (!svc_register(transp, YPBINDPROG, YPBINDVERS, ypbindprog_2, IPPROTO_TCP)) { 334 fprintf(stderr, "unable to register (YPBINDPROG, YPBINDVERS, tcp)."); 335 exit(1); 336 } 337 338 if( (rpcsock=socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) { 339 perror("socket"); 340 return -1; 341 } 342 fcntl(rpcsock, F_SETFL, fcntl(rpcsock, F_GETFL, 0) | FNDELAY); 343 i = 1; 344 setsockopt(rpcsock, SOL_SOCKET, SO_BROADCAST, &i, sizeof(i)); 345 rmtca.prog = YPPROG; 346 rmtca.vers = YPVERS; 347 rmtca.proc = YPPROC_DOMAIN_NONACK; 348 rmtca.xdr_args = NULL; /* set at call time */ 349 rmtca.args_ptr = NULL; /* set at call time */ 350 rmtcr.port_ptr = &rmtcr_port; 351 rmtcr.xdr_results = xdr_bool; 352 rmtcr.results_ptr = (caddr_t)&rmtcr_outval; 353 354 /* build initial domain binding, make it "unsuccessful" */ 355 ypbindlist = (struct _dom_binding *)malloc(sizeof *ypbindlist); 356 bzero((char *)ypbindlist, sizeof *ypbindlist); 357 strncpy(ypbindlist->dom_domain, domainname, sizeof ypbindlist->dom_domain); 358 ypbindlist->dom_vers = YPVERS; 359 ypbindlist->dom_alive = 0; 360 ypbindlist->dom_lockfd = -1; 361 sprintf(path, "%s/%s.%d", BINDINGDIR, ypbindlist->dom_domain, 362 ypbindlist->dom_vers); 363 (void)unlink(path); 364 365 width = getdtablesize(); 366 while(1) { 367 fdsr = svc_fdset; 368 FD_SET(rpcsock, &fdsr); 369 tv.tv_sec = 1; 370 tv.tv_usec = 0; 371 372 switch(select(width, &fdsr, NULL, NULL, &tv)) { 373 case 0: 374 checkwork(); 375 break; 376 case -1: 377 perror("select\n"); 378 break; 379 default: 380 if(FD_ISSET(rpcsock, &fdsr)) { 381 FD_CLR(rpcsock, &fdsr); 382 handle_replies(); 383 } 384 svc_getreqset(&fdsr); 385 if(check) 386 checkwork(); 387 break; 388 } 389 } 390 } 391 392 /* 393 * change to do something like this: 394 * 395 * STATE TIME ACTION NEWTIME NEWSTATE 396 * no binding t==* broadcast t=2 no binding 397 * binding t==60 check server t=10 binding 398 * binding t=10 broadcast t=2 no binding 399 */ 400 checkwork() 401 { 402 struct _dom_binding *ypdb; 403 time_t t; 404 405 check = 0; 406 407 time(&t); 408 for(ypdb=ypbindlist; ypdb; ypdb=ypdb->dom_pnext) { 409 if(ypdb->dom_alive==0 || ypdb->dom_check_t < t) { 410 broadcast(ypdb->dom_domain); 411 time(&t); 412 ypdb->dom_check_t = t + 5; 413 } 414 } 415 } 416 417 broadcast(dom) 418 char *dom; 419 { 420 struct rpc_msg rpcmsg; 421 char buf[1400], inbuf[8192]; 422 enum clnt_stat st; 423 struct timeval tv; 424 int outlen, i, sock, len; 425 struct sockaddr_in bsin; 426 struct ifconf ifc; 427 struct ifreq ifreq, *ifr; 428 struct in_addr in; 429 AUTH *rpcua; 430 XDR rpcxdr; 431 432 rmtca.xdr_args = xdr_domainname; 433 rmtca.args_ptr = dom; 434 435 bzero((char *)&bsin, sizeof bsin); 436 bsin.sin_family = AF_INET; 437 bsin.sin_port = htons(PMAPPORT); 438 439 bzero((char *)&rpcxdr, sizeof rpcxdr); 440 bzero((char *)&rpcmsg, sizeof rpcmsg); 441 442 rpcua = authunix_create_default(); 443 if( rpcua == (AUTH *)NULL) { 444 /*printf("cannot get unix auth\n");*/ 445 return RPC_SYSTEMERROR; 446 } 447 rpcmsg.rm_direction = CALL; 448 rpcmsg.rm_call.cb_rpcvers = RPC_MSG_VERSION; 449 rpcmsg.rm_call.cb_prog = PMAPPROG; 450 rpcmsg.rm_call.cb_vers = PMAPVERS; 451 rpcmsg.rm_call.cb_proc = PMAPPROC_CALLIT; 452 rpcmsg.rm_call.cb_cred = rpcua->ah_cred; 453 rpcmsg.rm_call.cb_verf = rpcua->ah_verf; 454 455 gettimeofday(&tv, (struct timezone *)0); 456 rpcmsg.rm_xid = (int)dom; 457 tv.tv_usec = 0; 458 xdrmem_create(&rpcxdr, buf, sizeof buf, XDR_ENCODE); 459 if( (!xdr_callmsg(&rpcxdr, &rpcmsg)) ) { 460 st = RPC_CANTENCODEARGS; 461 AUTH_DESTROY(rpcua); 462 return st; 463 } 464 if( (!xdr_rmtcall_args(&rpcxdr, &rmtca)) ) { 465 st = RPC_CANTENCODEARGS; 466 AUTH_DESTROY(rpcua); 467 return st; 468 } 469 outlen = (int)xdr_getpos(&rpcxdr); 470 xdr_destroy(&rpcxdr); 471 if(outlen<1) { 472 AUTH_DESTROY(rpcua); 473 return st; 474 } 475 AUTH_DESTROY(rpcua); 476 477 /* find all networks and send the RPC packet out them all */ 478 if( (sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) { 479 perror("socket"); 480 return -1; 481 } 482 483 ifc.ifc_len = sizeof inbuf; 484 ifc.ifc_buf = inbuf; 485 if( ioctl(sock, SIOCGIFCONF, &ifc) < 0) { 486 close(sock); 487 perror("ioctl(SIOCGIFCONF)"); 488 return -1; 489 } 490 ifr = ifc.ifc_req; 491 ifreq.ifr_name[0] = '\0'; 492 for(i=0; i<ifc.ifc_len; i+=len, ifr=(struct ifreq *)((caddr_t)ifr+len)) { 493 #if defined(BSD) && BSD >= 199103 494 len = sizeof ifr->ifr_name + ifr->ifr_addr.sa_len; 495 #else 496 len = sizeof ifc.ifc_len / sizeof(struct ifreq); 497 #endif 498 ifreq = *ifr; 499 if( ifreq.ifr_addr.sa_family != AF_INET) 500 continue; 501 if( ioctl(sock, SIOCGIFFLAGS, &ifreq) < 0) { 502 perror("ioctl(SIOCGIFFLAGS)"); 503 continue; 504 } 505 if( (ifreq.ifr_flags & IFF_UP) == 0) 506 continue; 507 508 ifreq.ifr_flags &= (IFF_LOOPBACK | IFF_BROADCAST); 509 if( ifreq.ifr_flags==IFF_BROADCAST ) { 510 if( ioctl(sock, SIOCGIFBRDADDR, &ifreq) < 0 ) { 511 perror("ioctl(SIOCGIFBRDADDR)"); 512 continue; 513 } 514 } else if( ifreq.ifr_flags==IFF_LOOPBACK ) { 515 if( ioctl(sock, SIOCGIFADDR, &ifreq) < 0 ) { 516 perror("ioctl(SIOCGIFADDR)"); 517 continue; 518 } 519 } else 520 continue; 521 522 in = ((struct sockaddr_in *)&ifreq.ifr_addr)->sin_addr; 523 bsin.sin_addr = in; 524 if( sendto(rpcsock, buf, outlen, 0, (struct sockaddr *)&bsin, 525 sizeof bsin) < 0 ) 526 perror("sendto"); 527 } 528 close(sock); 529 return 0; 530 } 531 532 /*enum clnt_stat*/ 533 handle_replies() 534 { 535 char buf[1400]; 536 int fromlen, inlen; 537 struct sockaddr_in raddr; 538 struct rpc_msg msg; 539 XDR xdr; 540 541 recv_again: 542 bzero((char *)&xdr, sizeof(xdr)); 543 bzero((char *)&msg, sizeof(msg)); 544 msg.acpted_rply.ar_verf = _null_auth; 545 msg.acpted_rply.ar_results.where = (caddr_t)&rmtcr; 546 msg.acpted_rply.ar_results.proc = xdr_rmtcallres; 547 548 try_again: 549 fromlen = sizeof (struct sockaddr); 550 inlen = recvfrom(rpcsock, buf, sizeof buf, 0, 551 (struct sockaddr *)&raddr, &fromlen); 552 if(inlen<0) { 553 if(errno==EINTR) 554 goto try_again; 555 return RPC_CANTRECV; 556 } 557 if(inlen<sizeof(u_long)) 558 goto recv_again; 559 560 /* 561 * see if reply transaction id matches sent id. 562 * If so, decode the results. 563 */ 564 xdrmem_create(&xdr, buf, (u_int)inlen, XDR_DECODE); 565 if( xdr_replymsg(&xdr, &msg)) { 566 if( (msg.rm_reply.rp_stat == MSG_ACCEPTED) && 567 (msg.acpted_rply.ar_stat == SUCCESS)) { 568 raddr.sin_port = htons((u_short)rmtcr_port); 569 rpc_received(msg.rm_xid, &raddr, 0); 570 } 571 } 572 xdr.x_op = XDR_FREE; 573 msg.acpted_rply.ar_results.proc = xdr_void; 574 xdr_destroy(&xdr); 575 576 return RPC_SUCCESS; 577 } 578 579 /* 580 * LOOPBACK IS MORE IMPORTANT: PUT IN HACK 581 */ 582 rpc_received(dom, raddrp, force) 583 char *dom; 584 struct sockaddr_in *raddrp; 585 int force; 586 { 587 struct _dom_binding *ypdb; 588 char path[MAXPATHLEN]; 589 int fd; 590 591 /*printf("returned from %s about %s\n", inet_ntoa(raddrp->sin_addr), dom);*/ 592 593 if(dom==NULL) 594 return; 595 596 for(ypdb=ypbindlist; ypdb; ypdb=ypdb->dom_pnext) 597 if( strcmp(ypdb->dom_domain, dom) == 0) 598 break; 599 600 if(ypdb==NULL) { 601 if(force==0) 602 return; 603 ypdb = (struct _dom_binding *)malloc(sizeof *ypdb); 604 bzero((char *)ypdb, sizeof *ypdb); 605 strncpy(ypdb->dom_domain, dom, sizeof ypdb->dom_domain); 606 ypdb->dom_lockfd = -1; 607 ypdb->dom_pnext = ypbindlist; 608 ypbindlist = ypdb; 609 } 610 611 /* soft update, alive, less than 30 seconds old */ 612 if(ypdb->dom_alive==1 && force==0 && ypdb->dom_check_t<time(NULL)+30) 613 return; 614 615 bcopy((char *)raddrp, (char *)&ypdb->dom_server_addr, 616 sizeof ypdb->dom_server_addr); 617 ypdb->dom_check_t = time(NULL) + 60; /* recheck binding in 60 seconds */ 618 ypdb->dom_vers = YPVERS; 619 ypdb->dom_alive = 1; 620 621 if(ypdb->dom_lockfd != -1) 622 close(ypdb->dom_lockfd); 623 624 sprintf(path, "%s/%s.%d", BINDINGDIR, 625 ypdb->dom_domain, ypdb->dom_vers); 626 #ifdef O_SHLOCK 627 if( (fd=open(path, O_CREAT|O_SHLOCK|O_RDWR|O_TRUNC, 0644)) == -1) { 628 (void)mkdir(BINDINGDIR, 0755); 629 if( (fd=open(path, O_CREAT|O_SHLOCK|O_RDWR|O_TRUNC, 0644)) == -1) 630 return; 631 } 632 #else 633 if( (fd=open(path, O_CREAT|O_RDWR|O_TRUNC, 0644)) == -1) { 634 (void)mkdir(BINDINGDIR, 0755); 635 if( (fd=open(path, O_CREAT|O_RDWR|O_TRUNC, 0644)) == -1) 636 return; 637 } 638 flock(fd, LOCK_SH); 639 #endif 640 641 /* 642 * ok, if BINDINGDIR exists, and we can create the binding file, 643 * then write to it.. 644 */ 645 ypdb->dom_lockfd = fd; 646 if( write(ypdb->dom_lockfd, raddrp, sizeof *raddrp) != sizeof *raddrp) { 647 perror("write"); 648 close(ypdb->dom_lockfd); 649 ypdb->dom_lockfd = -1; 650 return; 651 } 652 } 653
Indexes created Tue Sep 30 20:09:53 GMT 2025