route.c revision 1.11
1 /* $NetBSD: route.c,v 1.11 1995/03/18 15:00:15 cgd Exp $ */ 2 3 /* 4 * Copyright (c) 1983, 1989, 1991, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #ifndef lint 37 static char copyright[] = 38 "@(#) Copyright (c) 1983, 1989, 1991, 1993\n\ 39 The Regents of the University of California. All rights reserved.\n"; 40 #endif /* not lint */ 41 42 #ifndef lint 43 #if 0 44 static char sccsid[] = "@(#)route.c 8.3 (Berkeley) 3/19/94"; 45 #else 46 static char rcsid[] = "$NetBSD: route.c,v 1.11 1995/03/18 15:00:15 cgd Exp $"; 47 #endif 48 #endif /* not lint */ 49 50 #include <sys/param.h> 51 #include <sys/file.h> 52 #include <sys/socket.h> 53 #include <sys/ioctl.h> 54 #include <sys/mbuf.h> 55 #include <sys/sysctl.h> 56 57 #include <net/if.h> 58 #include <net/route.h> 59 #include <net/if_dl.h> 60 #include <netinet/in.h> 61 #include <netns/ns.h> 62 #include <netiso/iso.h> 63 #include <netccitt/x25.h> 64 #include <arpa/inet.h> 65 #include <netdb.h> 66 67 #include <errno.h> 68 #include <unistd.h> 69 #include <stdio.h> 70 #include <ctype.h> 71 #include <stdlib.h> 72 #include <string.h> 73 #include <paths.h> 74 75 struct keytab { 76 char *kt_cp; 77 int kt_i; 78 } keywords[] = { 79 #include "keywords.h" 80 {0, 0} 81 }; 82 83 struct ortentry route; 84 union sockunion { 85 struct sockaddr sa; 86 struct sockaddr_in sin; 87 struct sockaddr_ns sns; 88 struct sockaddr_iso siso; 89 struct sockaddr_dl sdl; 90 struct sockaddr_x25 sx25; 91 } so_dst, so_gate, so_mask, so_genmask, so_ifa, so_ifp; 92 93 typedef union sockunion *sup; 94 int pid, rtm_addrs, uid; 95 int s; 96 int forcehost, forcenet, doflush, nflag, af, qflag, tflag, keyword(); 97 int iflag, verbose, aflen = sizeof (struct sockaddr_in); 98 int locking, lockrest, debugonly; 99 struct rt_metrics rt_metrics; 100 u_long rtm_inits; 101 struct in_addr inet_makeaddr(); 102 char *routename(), *netname(); 103 void flushroutes(), newroute(), monitor(), sockaddr(), sodump(), bprintf(); 104 void print_getmsg(), print_rtmsg(), pmsg_common(), pmsg_addrs(), mask_addr(); 105 int getaddr(), rtmsg(), x25_makemask(); 106 extern char *inet_ntoa(), *iso_ntoa(), *link_ntoa(); 107 108 __dead void 109 usage(cp) 110 char *cp; 111 { 112 if (cp) 113 (void) fprintf(stderr, "route: botched keyword: %s\n", cp); 114 (void) fprintf(stderr, 115 "usage: route [ -nqv ] cmd [[ -<qualifers> ] args ]\n"); 116 exit(1); 117 /* NOTREACHED */ 118 } 119 120 void 121 quit(s) 122 char *s; 123 { 124 int sverrno = errno; 125 126 (void) fprintf(stderr, "route: "); 127 if (s) 128 (void) fprintf(stderr, "%s: ", s); 129 (void) fprintf(stderr, "%s\n", strerror(sverrno)); 130 exit(1); 131 /* NOTREACHED */ 132 } 133 134 #define ROUNDUP(a) \ 135 ((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long)) 136 #define ADVANCE(x, n) (x += ROUNDUP((n)->sa_len)) 137 138 int 139 main(argc, argv) 140 int argc; 141 char **argv; 142 { 143 extern int optind; 144 int ch; 145 146 if (argc < 2) 147 usage((char *)NULL); 148 149 while ((ch = getopt(argc, argv, "nqdtv")) != EOF) 150 switch(ch) { 151 case 'n': 152 nflag = 1; 153 break; 154 case 'q': 155 qflag = 1; 156 break; 157 case 'v': 158 verbose = 1; 159 break; 160 case 't': 161 tflag = 1; 162 break; 163 case 'd': 164 debugonly = 1; 165 break; 166 case '?': 167 default: 168 usage((char *)NULL); 169 } 170 argc -= optind; 171 argv += optind; 172 173 pid = getpid(); 174 uid = getuid(); 175 if (tflag) 176 s = open("/dev/null", O_WRONLY, 0); 177 else 178 s = socket(PF_ROUTE, SOCK_RAW, 0); 179 if (s < 0) 180 quit("socket"); 181 if (*argv) 182 switch (keyword(*argv)) { 183 case K_GET: 184 uid = 0; 185 /* FALLTHROUGH */ 186 187 case K_CHANGE: 188 case K_ADD: 189 case K_DELETE: 190 newroute(argc, argv); 191 exit(0); 192 /* NOTREACHED */ 193 194 case K_MONITOR: 195 monitor(); 196 /* NOTREACHED */ 197 198 case K_FLUSH: 199 flushroutes(argc, argv); 200 exit(0); 201 /* NOTREACHED */ 202 } 203 usage(*argv); 204 /* NOTREACHED */ 205 } 206 207 /* 208 * Purge all entries in the routing tables not 209 * associated with network interfaces. 210 */ 211 void 212 flushroutes(argc, argv) 213 int argc; 214 char *argv[]; 215 { 216 size_t needed; 217 int mib[6], rlen, seqno; 218 char *buf, *next, *lim; 219 register struct rt_msghdr *rtm; 220 221 if (uid) { 222 errno = EACCES; 223 quit("must be root to alter routing table"); 224 } 225 shutdown(s, 0); /* Don't want to read back our messages */ 226 if (argc > 1) { 227 argv++; 228 if (argc == 2 && **argv == '-') 229 switch (keyword(*argv + 1)) { 230 case K_INET: 231 af = AF_INET; 232 break; 233 case K_XNS: 234 af = AF_NS; 235 break; 236 case K_LINK: 237 af = AF_LINK; 238 break; 239 case K_ISO: 240 case K_OSI: 241 af = AF_ISO; 242 break; 243 case K_X25: 244 af = AF_CCITT; 245 default: 246 goto bad; 247 } else 248 bad: usage(*argv); 249 } 250 mib[0] = CTL_NET; 251 mib[1] = PF_ROUTE; 252 mib[2] = 0; /* protocol */ 253 mib[3] = 0; /* wildcard address family */ 254 mib[4] = NET_RT_DUMP; 255 mib[5] = 0; /* no flags */ 256 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) 257 quit("route-sysctl-estimate"); 258 if ((buf = malloc(needed)) == NULL) 259 quit("malloc"); 260 if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) 261 quit("actual retrieval of routing table"); 262 lim = buf + needed; 263 if (verbose) 264 (void) printf("Examining routing table from sysctl\n"); 265 seqno = 0; /* ??? */ 266 for (next = buf; next < lim; next += rtm->rtm_msglen) { 267 rtm = (struct rt_msghdr *)next; 268 if (verbose) 269 print_rtmsg(rtm, rtm->rtm_msglen); 270 if ((rtm->rtm_flags & RTF_GATEWAY) == 0) 271 continue; 272 if (af) { 273 struct sockaddr *sa = (struct sockaddr *)(rtm + 1); 274 275 if (sa->sa_family != af) 276 continue; 277 } 278 if (debugonly) 279 continue; 280 rtm->rtm_type = RTM_DELETE; 281 rtm->rtm_seq = seqno; 282 rlen = write(s, next, rtm->rtm_msglen); 283 if (rlen < (int)rtm->rtm_msglen) { 284 (void) fprintf(stderr, 285 "route: write to routing socket: %s\n", 286 strerror(errno)); 287 (void) printf("got only %d for rlen\n", rlen); 288 break; 289 } 290 seqno++; 291 if (qflag) 292 continue; 293 if (verbose) 294 print_rtmsg(rtm, rlen); 295 else { 296 struct sockaddr *sa = (struct sockaddr *)(rtm + 1); 297 (void) printf("%-20.20s ", rtm->rtm_flags & RTF_HOST ? 298 routename(sa) : netname(sa)); 299 sa = (struct sockaddr *)(sa->sa_len + (char *)sa); 300 (void) printf("%-20.20s ", routename(sa)); 301 (void) printf("done\n"); 302 } 303 } 304 } 305 306 char * 307 routename(sa) 308 struct sockaddr *sa; 309 { 310 register char *cp; 311 static char line[50]; 312 struct hostent *hp; 313 static char domain[MAXHOSTNAMELEN + 1]; 314 static int first = 1; 315 char *ns_print(); 316 317 if (first) { 318 first = 0; 319 if (gethostname(domain, MAXHOSTNAMELEN) == 0 && 320 (cp = strchr(domain, '.'))) 321 (void) strcpy(domain, cp + 1); 322 else 323 domain[0] = 0; 324 } 325 326 if (sa->sa_len == 0) 327 strcpy(line, "default"); 328 else switch (sa->sa_family) { 329 330 case AF_INET: 331 { struct in_addr in; 332 in = ((struct sockaddr_in *)sa)->sin_addr; 333 334 cp = 0; 335 if (in.s_addr == INADDR_ANY || sa->sa_len < 4) 336 cp = "default"; 337 if (cp == 0 && !nflag) { 338 hp = gethostbyaddr((char *)&in, sizeof (struct in_addr), 339 AF_INET); 340 if (hp) { 341 if ((cp = strchr(hp->h_name, '.')) && 342 !strcmp(cp + 1, domain)) 343 *cp = 0; 344 cp = hp->h_name; 345 } 346 } 347 if (cp) 348 strcpy(line, cp); 349 else { 350 #define C(x) ((x) & 0xff) 351 in.s_addr = ntohl(in.s_addr); 352 (void) sprintf(line, "%u.%u.%u.%u", C(in.s_addr >> 24), 353 C(in.s_addr >> 16), C(in.s_addr >> 8), C(in.s_addr)); 354 } 355 break; 356 } 357 358 case AF_NS: 359 return (ns_print((struct sockaddr_ns *)sa)); 360 361 case AF_LINK: 362 return (link_ntoa((struct sockaddr_dl *)sa)); 363 364 case AF_ISO: 365 (void) sprintf(line, "iso %s", 366 iso_ntoa(&((struct sockaddr_iso *)sa)->siso_addr)); 367 break; 368 369 default: 370 { u_short *s = (u_short *)sa; 371 u_short *slim = s + ((sa->sa_len + 1) >> 1); 372 char *cp = line + sprintf(line, "(%d)", sa->sa_family); 373 374 while (++s < slim) /* start with sa->sa_data */ 375 cp += sprintf(cp, " %x", *s); 376 break; 377 } 378 } 379 return (line); 380 } 381 382 /* 383 * Return the name of the network whose address is given. 384 * The address is assumed to be that of a net or subnet, not a host. 385 */ 386 char * 387 netname(sa) 388 struct sockaddr *sa; 389 { 390 char *cp = 0; 391 static char line[50]; 392 struct netent *np = 0; 393 u_long net, mask; 394 register u_long i; 395 int subnetshift; 396 char *ns_print(); 397 398 switch (sa->sa_family) { 399 400 case AF_INET: 401 { struct in_addr in; 402 in = ((struct sockaddr_in *)sa)->sin_addr; 403 404 i = in.s_addr = ntohl(in.s_addr); 405 if (in.s_addr == 0) 406 cp = "default"; 407 else if (!nflag) { 408 if (IN_CLASSA(i)) { 409 mask = IN_CLASSA_NET; 410 subnetshift = 8; 411 } else if (IN_CLASSB(i)) { 412 mask = IN_CLASSB_NET; 413 subnetshift = 8; 414 } else { 415 mask = IN_CLASSC_NET; 416 subnetshift = 4; 417 } 418 /* 419 * If there are more bits than the standard mask 420 * would suggest, subnets must be in use. 421 * Guess at the subnet mask, assuming reasonable 422 * width subnet fields. 423 */ 424 while (in.s_addr &~ mask) 425 mask = (long)mask >> subnetshift; 426 net = in.s_addr & mask; 427 while ((mask & 1) == 0) 428 mask >>= 1, net >>= 1; 429 np = getnetbyaddr(net, AF_INET); 430 if (np) 431 cp = np->n_name; 432 } 433 if (cp) 434 strcpy(line, cp); 435 else if ((in.s_addr & 0xffffff) == 0) 436 (void) sprintf(line, "%u", C(in.s_addr >> 24)); 437 else if ((in.s_addr & 0xffff) == 0) 438 (void) sprintf(line, "%u.%u", C(in.s_addr >> 24), 439 C(in.s_addr >> 16)); 440 else if ((in.s_addr & 0xff) == 0) 441 (void) sprintf(line, "%u.%u.%u", C(in.s_addr >> 24), 442 C(in.s_addr >> 16), C(in.s_addr >> 8)); 443 else 444 (void) sprintf(line, "%u.%u.%u.%u", C(in.s_addr >> 24), 445 C(in.s_addr >> 16), C(in.s_addr >> 8), 446 C(in.s_addr)); 447 break; 448 } 449 450 case AF_NS: 451 return (ns_print((struct sockaddr_ns *)sa)); 452 break; 453 454 case AF_LINK: 455 return (link_ntoa((struct sockaddr_dl *)sa)); 456 457 case AF_ISO: 458 (void) sprintf(line, "iso %s", 459 iso_ntoa(&((struct sockaddr_iso *)sa)->siso_addr)); 460 break; 461 462 default: 463 { u_short *s = (u_short *)sa->sa_data; 464 u_short *slim = s + ((sa->sa_len + 1)>>1); 465 char *cp = line + sprintf(line, "af %d:", sa->sa_family); 466 467 while (s < slim) 468 cp += sprintf(cp, " %x", *s++); 469 break; 470 } 471 } 472 return (line); 473 } 474 475 void 476 set_metric(value, key) 477 char *value; 478 int key; 479 { 480 int flag = 0; 481 u_long noval, *valp = &noval; 482 483 switch (key) { 484 #define caseof(x, y, z) case x: valp = &rt_metrics.z; flag = y; break 485 caseof(K_MTU, RTV_MTU, rmx_mtu); 486 caseof(K_HOPCOUNT, RTV_HOPCOUNT, rmx_hopcount); 487 caseof(K_EXPIRE, RTV_EXPIRE, rmx_expire); 488 caseof(K_RECVPIPE, RTV_RPIPE, rmx_recvpipe); 489 caseof(K_SENDPIPE, RTV_SPIPE, rmx_sendpipe); 490 caseof(K_SSTHRESH, RTV_SSTHRESH, rmx_ssthresh); 491 caseof(K_RTT, RTV_RTT, rmx_rtt); 492 caseof(K_RTTVAR, RTV_RTTVAR, rmx_rttvar); 493 } 494 rtm_inits |= flag; 495 if (lockrest || locking) 496 rt_metrics.rmx_locks |= flag; 497 if (locking) 498 locking = 0; 499 *valp = atoi(value); 500 } 501 502 void 503 newroute(argc, argv) 504 int argc; 505 register char **argv; 506 { 507 char *cmd, *dest = "", *gateway = "", *err; 508 int ishost = 0, ret, attempts, oerrno, flags = RTF_STATIC; 509 int key; 510 struct hostent *hp = 0; 511 512 if (uid) { 513 errno = EACCES; 514 quit("must be root to alter routing table"); 515 } 516 cmd = argv[0]; 517 if (*cmd != 'g') 518 shutdown(s, 0); /* Don't want to read back our messages */ 519 while (--argc > 0) { 520 if (**(++argv)== '-') { 521 switch (key = keyword(1 + *argv)) { 522 case K_LINK: 523 af = AF_LINK; 524 aflen = sizeof(struct sockaddr_dl); 525 break; 526 case K_OSI: 527 case K_ISO: 528 af = AF_ISO; 529 aflen = sizeof(struct sockaddr_iso); 530 break; 531 case K_INET: 532 af = AF_INET; 533 aflen = sizeof(struct sockaddr_in); 534 break; 535 case K_X25: 536 af = AF_CCITT; 537 aflen = sizeof(struct sockaddr_x25); 538 break; 539 case K_SA: 540 af = PF_ROUTE; 541 aflen = sizeof(union sockunion); 542 break; 543 case K_XNS: 544 af = AF_NS; 545 aflen = sizeof(struct sockaddr_ns); 546 break; 547 case K_IFACE: 548 case K_INTERFACE: 549 iflag++; 550 case K_NOSTATIC: 551 flags &= ~RTF_STATIC; 552 break; 553 case K_LOCK: 554 locking = 1; 555 break; 556 case K_LOCKREST: 557 lockrest = 1; 558 break; 559 case K_HOST: 560 forcehost++; 561 break; 562 case K_REJECT: 563 flags |= RTF_REJECT; 564 break; 565 case K_BLACKHOLE: 566 flags |= RTF_BLACKHOLE; 567 break; 568 case K_PROTO1: 569 flags |= RTF_PROTO1; 570 break; 571 case K_PROTO2: 572 flags |= RTF_PROTO2; 573 break; 574 case K_CLONING: 575 flags |= RTF_CLONING; 576 break; 577 case K_XRESOLVE: 578 flags |= RTF_XRESOLVE; 579 break; 580 case K_STATIC: 581 flags |= RTF_STATIC; 582 break; 583 case K_IFA: 584 argc--; 585 (void) getaddr(RTA_IFA, *++argv, 0); 586 break; 587 case K_IFP: 588 argc--; 589 (void) getaddr(RTA_IFP, *++argv, 0); 590 break; 591 case K_GENMASK: 592 argc--; 593 (void) getaddr(RTA_GENMASK, *++argv, 0); 594 break; 595 case K_GATEWAY: 596 argc--; 597 (void) getaddr(RTA_GATEWAY, *++argv, 0); 598 break; 599 case K_DST: 600 argc--; 601 ishost = getaddr(RTA_DST, *++argv, &hp); 602 dest = *argv; 603 break; 604 case K_NETMASK: 605 argc--; 606 (void) getaddr(RTA_NETMASK, *++argv, 0); 607 /* FALLTHROUGH */ 608 case K_NET: 609 forcenet++; 610 break; 611 case K_MTU: 612 case K_HOPCOUNT: 613 case K_EXPIRE: 614 case K_RECVPIPE: 615 case K_SENDPIPE: 616 case K_SSTHRESH: 617 case K_RTT: 618 case K_RTTVAR: 619 argc--; 620 set_metric(*++argv, key); 621 break; 622 default: 623 usage(1+*argv); 624 } 625 } else { 626 if ((rtm_addrs & RTA_DST) == 0) { 627 dest = *argv; 628 ishost = getaddr(RTA_DST, *argv, &hp); 629 } else if ((rtm_addrs & RTA_GATEWAY) == 0) { 630 gateway = *argv; 631 (void) getaddr(RTA_GATEWAY, *argv, &hp); 632 } else { 633 int ret = atoi(*argv); 634 635 if (ret == 0) { 636 if (strcmp(*argv, "0") == 0) 637 printf("%s,%s", 638 "old usage of trailing 0", 639 "assuming route to if\n"); 640 else 641 usage((char *)NULL); 642 iflag = 1; 643 continue; 644 } else if (ret > 0 && ret < 10) { 645 printf("old usage of trailing digit, "); 646 printf("assuming route via gateway\n"); 647 iflag = 0; 648 continue; 649 } 650 (void) getaddr(RTA_NETMASK, *argv, 0); 651 } 652 } 653 } 654 if (forcehost) 655 ishost = 1; 656 if (forcenet) 657 ishost = 0; 658 flags |= RTF_UP; 659 if (ishost) 660 flags |= RTF_HOST; 661 if (iflag == 0) 662 flags |= RTF_GATEWAY; 663 for (attempts = 1; ; attempts++) { 664 errno = 0; 665 if ((ret = rtmsg(*cmd, flags)) == 0) 666 break; 667 if (errno != ENETUNREACH && errno != ESRCH) 668 break; 669 if (af == AF_INET && *gateway && hp && hp->h_addr_list[1]) { 670 hp->h_addr_list++; 671 memcpy(&so_gate.sin.sin_addr, hp->h_addr_list[0], 672 hp->h_length); 673 } else 674 break; 675 } 676 if (*cmd == 'g') 677 exit(0); 678 oerrno = errno; 679 (void) printf("%s %s %s", cmd, ishost? "host" : "net", dest); 680 if (*gateway) { 681 (void) printf(": gateway %s", gateway); 682 if (attempts > 1 && ret == 0 && af == AF_INET) 683 (void) printf(" (%s)", 684 inet_ntoa(((struct sockaddr_in *)&route.rt_gateway)->sin_addr)); 685 } 686 if (ret == 0) 687 (void) printf("\n"); 688 else { 689 switch (oerrno) { 690 case ESRCH: 691 err = "not in table"; 692 break; 693 case EBUSY: 694 err = "entry in use"; 695 break; 696 case ENOBUFS: 697 err = "routing table overflow"; 698 break; 699 default: 700 err = strerror(oerrno); 701 break; 702 } 703 (void) printf(": %s\n", err); 704 } 705 } 706 707 void 708 inet_makenetandmask(net, sin) 709 u_long net; 710 register struct sockaddr_in *sin; 711 { 712 u_long addr, mask = 0; 713 register char *cp; 714 715 rtm_addrs |= RTA_NETMASK; 716 if (net == 0) 717 mask = addr = 0; 718 else if (net < 128) { 719 addr = net << IN_CLASSA_NSHIFT; 720 mask = IN_CLASSA_NET; 721 } else if (net < 65536) { 722 addr = net << IN_CLASSB_NSHIFT; 723 mask = IN_CLASSB_NET; 724 } else if (net < 16777216L) { 725 addr = net << IN_CLASSC_NSHIFT; 726 mask = IN_CLASSC_NET; 727 } else { 728 addr = net; 729 if ((addr & IN_CLASSA_HOST) == 0) 730 mask = IN_CLASSA_NET; 731 else if ((addr & IN_CLASSB_HOST) == 0) 732 mask = IN_CLASSB_NET; 733 else if ((addr & IN_CLASSC_HOST) == 0) 734 mask = IN_CLASSC_NET; 735 else 736 mask = -1; 737 } 738 sin->sin_addr.s_addr = htonl(addr); 739 sin = &so_mask.sin; 740 sin->sin_addr.s_addr = htonl(mask); 741 sin->sin_len = 0; 742 sin->sin_family = 0; 743 cp = (char *)(&sin->sin_addr + 1); 744 while (*--cp == 0 && cp > (char *)sin) 745 ; 746 sin->sin_len = 1 + cp - (char *)sin; 747 } 748 749 /* 750 * Interpret an argument as a network address of some kind, 751 * returning 1 if a host address, 0 if a network address. 752 */ 753 int 754 getaddr(which, s, hpp) 755 int which; 756 char *s; 757 struct hostent **hpp; 758 { 759 register sup su; 760 struct ns_addr ns_addr(); 761 struct iso_addr *iso_addr(); 762 struct hostent *hp; 763 struct netent *np; 764 u_long val; 765 766 if (af == 0) { 767 af = AF_INET; 768 aflen = sizeof(struct sockaddr_in); 769 } 770 rtm_addrs |= which; 771 switch (which) { 772 case RTA_DST: 773 su = &so_dst; 774 su->sa.sa_family = af; 775 break; 776 case RTA_GATEWAY: 777 su = &so_gate; 778 su->sa.sa_family = af; 779 break; 780 case RTA_NETMASK: 781 su = &so_mask; 782 break; 783 case RTA_GENMASK: 784 su = &so_genmask; 785 break; 786 case RTA_IFP: 787 su = &so_ifp; 788 su->sa.sa_family = af; 789 break; 790 case RTA_IFA: 791 su = &so_ifa; 792 su->sa.sa_family = af; 793 break; 794 default: 795 usage("Internal Error"); 796 /*NOTREACHED*/ 797 } 798 su->sa.sa_len = aflen; 799 if (strcmp(s, "default") == 0) { 800 switch (which) { 801 case RTA_DST: 802 forcenet++; 803 (void) getaddr(RTA_NETMASK, s, 0); 804 break; 805 case RTA_NETMASK: 806 case RTA_GENMASK: 807 su->sa.sa_len = 0; 808 } 809 return (0); 810 } 811 switch (af) { 812 case AF_NS: 813 if (which == RTA_DST) { 814 extern short ns_bh[3]; 815 struct sockaddr_ns *sms = &(so_mask.sns); 816 memset(sms, 0, sizeof(*sms)); 817 sms->sns_family = 0; 818 sms->sns_len = 6; 819 sms->sns_addr.x_net = *(union ns_net *)ns_bh; 820 rtm_addrs |= RTA_NETMASK; 821 } 822 su->sns.sns_addr = ns_addr(s); 823 return (!ns_nullhost(su->sns.sns_addr)); 824 825 case AF_OSI: 826 su->siso.siso_addr = *iso_addr(s); 827 if (which == RTA_NETMASK || which == RTA_GENMASK) { 828 register char *cp = (char *)TSEL(&su->siso); 829 su->siso.siso_nlen = 0; 830 do {--cp ;} while ((cp > (char *)su) && (*cp == 0)); 831 su->siso.siso_len = 1 + cp - (char *)su; 832 } 833 return (1); 834 835 case AF_LINK: 836 link_addr(s, &su->sdl); 837 return (1); 838 839 case AF_CCITT: 840 ccitt_addr(s, &su->sx25); 841 return (which == RTA_DST ? x25_makemask() : 1); 842 843 case PF_ROUTE: 844 su->sa.sa_len = sizeof(*su); 845 sockaddr(s, &su->sa); 846 return (1); 847 848 case AF_INET: 849 default: 850 break; 851 } 852 853 if (hpp == NULL) 854 hpp = &hp; 855 *hpp = NULL; 856 if (((val = inet_addr(s)) != -1) && 857 (which != RTA_DST || forcenet == 0)) { 858 su->sin.sin_addr.s_addr = val; 859 if (inet_lnaof(su->sin.sin_addr) != INADDR_ANY) 860 return (1); 861 else { 862 val = ntohl(val); 863 goto netdone; 864 } 865 } 866 if ((val = inet_network(s)) != -1 || 867 ((np = getnetbyname(s)) != NULL && (val = np->n_net) != 0)) { 868 netdone: 869 if (which == RTA_DST) 870 inet_makenetandmask(val, &su->sin); 871 return (0); 872 } 873 hp = gethostbyname(s); 874 if (hp) { 875 *hpp = hp; 876 su->sin.sin_family = hp->h_addrtype; 877 memcpy(&su->sin.sin_addr, hp->h_addr, hp->h_length); 878 return (1); 879 } 880 (void) fprintf(stderr, "%s: bad value\n", s); 881 exit(1); 882 } 883 884 int 885 x25_makemask() 886 { 887 register char *cp; 888 889 if ((rtm_addrs & RTA_NETMASK) == 0) { 890 rtm_addrs |= RTA_NETMASK; 891 for (cp = (char *)&so_mask.sx25.x25_net; 892 cp < &so_mask.sx25.x25_opts.op_flags; cp++) 893 *cp = -1; 894 so_mask.sx25.x25_len = (u_char)&(((sup)0)->sx25.x25_opts); 895 } 896 return 0; 897 } 898 899 short ns_nullh[] = {0,0,0}; 900 short ns_bh[] = {-1,-1,-1}; 901 902 char * 903 ns_print(sns) 904 struct sockaddr_ns *sns; 905 { 906 struct ns_addr work; 907 union { union ns_net net_e; u_long long_e; } net; 908 u_short port; 909 static char mybuf[50], cport[10], chost[25]; 910 char *host = ""; 911 register char *p; 912 register u_char *q; 913 914 work = sns->sns_addr; 915 port = ntohs(work.x_port); 916 work.x_port = 0; 917 net.net_e = work.x_net; 918 if (ns_nullhost(work) && net.long_e == 0) { 919 if (!port) 920 return ("*.*"); 921 (void) sprintf(mybuf, "*.%XH", port); 922 return (mybuf); 923 } 924 925 if (memcmp(ns_bh, work.x_host.c_host, 6) == 0) 926 host = "any"; 927 else if (memcmp(ns_nullh, work.x_host.c_host, 6) == 0) 928 host = "*"; 929 else { 930 q = work.x_host.c_host; 931 (void) sprintf(chost, "%02X%02X%02X%02X%02X%02XH", 932 q[0], q[1], q[2], q[3], q[4], q[5]); 933 for (p = chost; *p == '0' && p < chost + 12; p++) 934 /* void */; 935 host = p; 936 } 937 if (port) 938 (void) sprintf(cport, ".%XH", htons(port)); 939 else 940 *cport = 0; 941 942 (void) sprintf(mybuf,"%XH.%s%s", ntohl(net.long_e), host, cport); 943 return (mybuf); 944 } 945 946 void 947 interfaces() 948 { 949 size_t needed; 950 int mib[6]; 951 char *buf, *lim, *next; 952 register struct rt_msghdr *rtm; 953 954 mib[0] = CTL_NET; 955 mib[1] = PF_ROUTE; 956 mib[2] = 0; /* protocol */ 957 mib[3] = 0; /* wildcard address family */ 958 mib[4] = NET_RT_IFLIST; 959 mib[5] = 0; /* no flags */ 960 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) 961 quit("route-sysctl-estimate"); 962 if ((buf = malloc(needed)) == NULL) 963 quit("malloc"); 964 if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) 965 quit("actual retrieval of interface table"); 966 lim = buf + needed; 967 for (next = buf; next < lim; next += rtm->rtm_msglen) { 968 rtm = (struct rt_msghdr *)next; 969 print_rtmsg(rtm, rtm->rtm_msglen); 970 } 971 } 972 973 void 974 monitor() 975 { 976 int n; 977 char msg[2048]; 978 979 verbose = 1; 980 if (debugonly) { 981 interfaces(); 982 exit(0); 983 } 984 for(;;) { 985 n = read(s, msg, 2048); 986 (void) printf("got message of size %d\n", n); 987 print_rtmsg((struct rt_msghdr *)msg, n); 988 } 989 } 990 991 struct { 992 struct rt_msghdr m_rtm; 993 char m_space[512]; 994 } m_rtmsg; 995 996 int 997 rtmsg(cmd, flags) 998 int cmd, flags; 999 { 1000 static int seq; 1001 int rlen; 1002 register char *cp = m_rtmsg.m_space; 1003 register int l; 1004 1005 #define NEXTADDR(w, u) \ 1006 if (rtm_addrs & (w)) {\ 1007 l = ROUNDUP(u.sa.sa_len); memcpy(cp, &(u), l); cp += l;\ 1008 if (verbose) sodump(&(u),"u");\ 1009 } 1010 1011 errno = 0; 1012 memset(&m_rtmsg, 0, sizeof(m_rtmsg)); 1013 if (cmd == 'a') 1014 cmd = RTM_ADD; 1015 else if (cmd == 'c') 1016 cmd = RTM_CHANGE; 1017 else if (cmd == 'g') { 1018 cmd = RTM_GET; 1019 if (so_ifp.sa.sa_family == 0) { 1020 so_ifp.sa.sa_family = AF_LINK; 1021 so_ifp.sa.sa_len = sizeof(struct sockaddr_dl); 1022 rtm_addrs |= RTA_IFP; 1023 } 1024 } else 1025 cmd = RTM_DELETE; 1026 #define rtm m_rtmsg.m_rtm 1027 rtm.rtm_type = cmd; 1028 rtm.rtm_flags = flags; 1029 rtm.rtm_version = RTM_VERSION; 1030 rtm.rtm_seq = ++seq; 1031 rtm.rtm_addrs = rtm_addrs; 1032 rtm.rtm_rmx = rt_metrics; 1033 rtm.rtm_inits = rtm_inits; 1034 1035 if (rtm_addrs & RTA_NETMASK) 1036 mask_addr(); 1037 NEXTADDR(RTA_DST, so_dst); 1038 NEXTADDR(RTA_GATEWAY, so_gate); 1039 NEXTADDR(RTA_NETMASK, so_mask); 1040 NEXTADDR(RTA_GENMASK, so_genmask); 1041 NEXTADDR(RTA_IFP, so_ifp); 1042 NEXTADDR(RTA_IFA, so_ifa); 1043 rtm.rtm_msglen = l = cp - (char *)&m_rtmsg; 1044 if (verbose) 1045 print_rtmsg(&rtm, l); 1046 if (debugonly) 1047 return (0); 1048 if ((rlen = write(s, (char *)&m_rtmsg, l)) < 0) { 1049 perror("writing to routing socket"); 1050 return (-1); 1051 } 1052 if (cmd == RTM_GET) { 1053 do { 1054 l = read(s, (char *)&m_rtmsg, sizeof(m_rtmsg)); 1055 } while (l > 0 && (rtm.rtm_seq != seq || rtm.rtm_pid != pid)); 1056 if (l < 0) 1057 (void) fprintf(stderr, 1058 "route: read from routing socket: %s\n", 1059 strerror(errno)); 1060 else 1061 print_getmsg(&rtm, l); 1062 } 1063 #undef rtm 1064 return (0); 1065 } 1066 1067 void 1068 mask_addr() 1069 { 1070 int olen = so_mask.sa.sa_len; 1071 register char *cp1 = olen + (char *)&so_mask, *cp2; 1072 1073 for (so_mask.sa.sa_len = 0; cp1 > (char *)&so_mask; ) 1074 if (*--cp1 != 0) { 1075 so_mask.sa.sa_len = 1 + cp1 - (char *)&so_mask; 1076 break; 1077 } 1078 if ((rtm_addrs & RTA_DST) == 0) 1079 return; 1080 switch (so_dst.sa.sa_family) { 1081 case AF_NS: 1082 case AF_INET: 1083 case AF_CCITT: 1084 case 0: 1085 return; 1086 case AF_ISO: 1087 olen = MIN(so_dst.siso.siso_nlen, 1088 MAX(so_mask.sa.sa_len - 6, 0)); 1089 break; 1090 } 1091 cp1 = so_mask.sa.sa_len + 1 + (char *)&so_dst; 1092 cp2 = so_dst.sa.sa_len + 1 + (char *)&so_dst; 1093 while (cp2 > cp1) 1094 *--cp2 = 0; 1095 cp2 = so_mask.sa.sa_len + 1 + (char *)&so_mask; 1096 while (cp1 > so_dst.sa.sa_data) 1097 *--cp1 &= *--cp2; 1098 switch (so_dst.sa.sa_family) { 1099 case AF_ISO: 1100 so_dst.siso.siso_nlen = olen; 1101 break; 1102 } 1103 } 1104 1105 char *msgtypes[] = { 1106 "", 1107 "RTM_ADD: Add Route", 1108 "RTM_DELETE: Delete Route", 1109 "RTM_CHANGE: Change Metrics or flags", 1110 "RTM_GET: Report Metrics", 1111 "RTM_LOSING: Kernel Suspects Partitioning", 1112 "RTM_REDIRECT: Told to use different route", 1113 "RTM_MISS: Lookup failed on this address", 1114 "RTM_LOCK: fix specified metrics", 1115 "RTM_OLDADD: caused by SIOCADDRT", 1116 "RTM_OLDDEL: caused by SIOCDELRT", 1117 "RTM_RESOLVE: Route created by cloning", 1118 "RTM_NEWADDR: address being added to iface", 1119 "RTM_DELADDR: address being removed from iface", 1120 "RTM_IFINFO: iface status change", 1121 0, 1122 }; 1123 1124 char metricnames[] = 1125 "\011pksent\010rttvar\7rtt\6ssthresh\5sendpipe\4recvpipe\3expire\2hopcount\1mtu"; 1126 char routeflags[] = 1127 "\1UP\2GATEWAY\3HOST\4REJECT\5DYNAMIC\6MODIFIED\7DONE\010MASK_PRESENT\011CLONING\012XRESOLVE\013LLINFO\014STATIC\017PROTO2\020PROTO1"; 1128 char ifnetflags[] = 1129 "\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5PTP\6NOTRAILERS\7RUNNING\010NOARP\011PPROMISC\012ALLMULTI\013OACTIVE\014SIMPLEX\015LINK0\016LINK1\017LINK2\020MULTICAST"; 1130 char addrnames[] = 1131 "\1DST\2GATEWAY\3NETMASK\4GENMASK\5IFP\6IFA\7AUTHOR\010BRD"; 1132 1133 void 1134 print_rtmsg(rtm, msglen) 1135 register struct rt_msghdr *rtm; 1136 int msglen; 1137 { 1138 struct if_msghdr *ifm; 1139 struct ifa_msghdr *ifam; 1140 1141 if (verbose == 0) 1142 return; 1143 if (rtm->rtm_version != RTM_VERSION) { 1144 (void) printf("routing message version %d not understood\n", 1145 rtm->rtm_version); 1146 return; 1147 } 1148 (void)printf("%s: len %d, ", msgtypes[rtm->rtm_type], rtm->rtm_msglen); 1149 switch (rtm->rtm_type) { 1150 case RTM_IFINFO: 1151 ifm = (struct if_msghdr *)rtm; 1152 (void) printf("if# %d, flags:", ifm->ifm_index); 1153 bprintf(stdout, ifm->ifm_flags, ifnetflags); 1154 pmsg_addrs((char *)(ifm + 1), ifm->ifm_addrs); 1155 break; 1156 case RTM_NEWADDR: 1157 case RTM_DELADDR: 1158 ifam = (struct ifa_msghdr *)rtm; 1159 (void) printf("metric %d, flags:", ifam->ifam_metric); 1160 bprintf(stdout, ifam->ifam_flags, routeflags); 1161 pmsg_addrs((char *)(ifam + 1), ifam->ifam_addrs); 1162 break; 1163 default: 1164 (void) printf("pid: %d, seq %d, errno %d, flags:", 1165 rtm->rtm_pid, rtm->rtm_seq, rtm->rtm_errno); 1166 bprintf(stdout, rtm->rtm_flags, routeflags); 1167 pmsg_common(rtm); 1168 } 1169 } 1170 1171 void 1172 print_getmsg(rtm, msglen) 1173 register struct rt_msghdr *rtm; 1174 int msglen; 1175 { 1176 struct sockaddr *dst = NULL, *gate = NULL, *mask = NULL; 1177 struct sockaddr_dl *ifp = NULL; 1178 register struct sockaddr *sa; 1179 register char *cp; 1180 register int i; 1181 1182 (void) printf(" route to: %s\n", routename(&so_dst)); 1183 if (rtm->rtm_version != RTM_VERSION) { 1184 (void)fprintf(stderr, 1185 "routing message version %d not understood\n", 1186 rtm->rtm_version); 1187 return; 1188 } 1189 if (rtm->rtm_msglen > msglen) { 1190 (void)fprintf(stderr, 1191 "message length mismatch, in packet %d, returned %d\n", 1192 rtm->rtm_msglen, msglen); 1193 } 1194 if (rtm->rtm_errno) { 1195 (void) fprintf(stderr, "RTM_GET: %s (errno %d)\n", 1196 strerror(rtm->rtm_errno), rtm->rtm_errno); 1197 return; 1198 } 1199 cp = ((char *)(rtm + 1)); 1200 if (rtm->rtm_addrs) 1201 for (i = 1; i; i <<= 1) 1202 if (i & rtm->rtm_addrs) { 1203 sa = (struct sockaddr *)cp; 1204 switch (i) { 1205 case RTA_DST: 1206 dst = sa; 1207 break; 1208 case RTA_GATEWAY: 1209 gate = sa; 1210 break; 1211 case RTA_NETMASK: 1212 mask = sa; 1213 break; 1214 case RTA_IFP: 1215 if (sa->sa_family == AF_LINK && 1216 ((struct sockaddr_dl *)sa)->sdl_nlen) 1217 ifp = (struct sockaddr_dl *)sa; 1218 break; 1219 } 1220 ADVANCE(cp, sa); 1221 } 1222 if (dst && mask) 1223 mask->sa_family = dst->sa_family; /* XXX */ 1224 if (dst) 1225 (void)printf("destination: %s\n", routename(dst)); 1226 if (mask) { 1227 int savenflag = nflag; 1228 1229 nflag = 1; 1230 (void)printf(" mask: %s\n", routename(mask)); 1231 nflag = savenflag; 1232 } 1233 if (gate && rtm->rtm_flags & RTF_GATEWAY) 1234 (void)printf(" gateway: %s\n", routename(gate)); 1235 if (ifp) 1236 (void)printf(" interface: %.*s\n", 1237 ifp->sdl_nlen, ifp->sdl_data); 1238 (void)printf(" flags: "); 1239 bprintf(stdout, rtm->rtm_flags, routeflags); 1240 1241 #define lock(f) ((rtm->rtm_rmx.rmx_locks & __CONCAT(RTV_,f)) ? 'L' : ' ') 1242 #define msec(u) (((u) + 500) / 1000) /* usec to msec */ 1243 1244 (void) printf("\n%s\n", "\ 1245 recvpipe sendpipe ssthresh rtt,msec rttvar hopcount mtu expire"); 1246 printf("%8d%c ", rtm->rtm_rmx.rmx_recvpipe, lock(RPIPE)); 1247 printf("%8d%c ", rtm->rtm_rmx.rmx_sendpipe, lock(SPIPE)); 1248 printf("%8d%c ", rtm->rtm_rmx.rmx_ssthresh, lock(SSTHRESH)); 1249 printf("%8d%c ", msec(rtm->rtm_rmx.rmx_rtt), lock(RTT)); 1250 printf("%8d%c ", msec(rtm->rtm_rmx.rmx_rttvar), lock(RTTVAR)); 1251 printf("%8d%c ", rtm->rtm_rmx.rmx_hopcount, lock(HOPCOUNT)); 1252 printf("%8d%c ", rtm->rtm_rmx.rmx_mtu, lock(MTU)); 1253 if (rtm->rtm_rmx.rmx_expire) 1254 rtm->rtm_rmx.rmx_expire -= time(0); 1255 printf("%8d%c\n", rtm->rtm_rmx.rmx_expire, lock(EXPIRE)); 1256 #undef lock 1257 #undef msec 1258 #define RTA_IGN (RTA_DST|RTA_GATEWAY|RTA_NETMASK|RTA_IFP|RTA_IFA|RTA_BRD) 1259 if (verbose) 1260 pmsg_common(rtm); 1261 else if (rtm->rtm_addrs &~ RTA_IGN) { 1262 (void) printf("sockaddrs: "); 1263 bprintf(stdout, rtm->rtm_addrs, addrnames); 1264 putchar('\n'); 1265 } 1266 #undef RTA_IGN 1267 } 1268 1269 void 1270 pmsg_common(rtm) 1271 register struct rt_msghdr *rtm; 1272 { 1273 (void) printf("\nlocks: "); 1274 bprintf(stdout, rtm->rtm_rmx.rmx_locks, metricnames); 1275 (void) printf(" inits: "); 1276 bprintf(stdout, rtm->rtm_inits, metricnames); 1277 pmsg_addrs(((char *)(rtm + 1)), rtm->rtm_addrs); 1278 } 1279 1280 void 1281 pmsg_addrs(cp, addrs) 1282 char *cp; 1283 int addrs; 1284 { 1285 register struct sockaddr *sa; 1286 int i; 1287 1288 if (addrs == 0) 1289 return; 1290 (void) printf("\nsockaddrs: "); 1291 bprintf(stdout, addrs, addrnames); 1292 (void) putchar('\n'); 1293 for (i = 1; i; i <<= 1) 1294 if (i & addrs) { 1295 sa = (struct sockaddr *)cp; 1296 (void) printf(" %s", routename(sa)); 1297 ADVANCE(cp, sa); 1298 } 1299 (void) putchar('\n'); 1300 (void) fflush(stdout); 1301 } 1302 1303 void 1304 bprintf(fp, b, s) 1305 register FILE *fp; 1306 register int b; 1307 register u_char *s; 1308 { 1309 register int i; 1310 int gotsome = 0; 1311 1312 if (b == 0) 1313 return; 1314 while (i = *s++) { 1315 if (b & (1 << (i-1))) { 1316 if (gotsome == 0) 1317 i = '<'; 1318 else 1319 i = ','; 1320 (void) putc(i, fp); 1321 gotsome = 1; 1322 for (; (i = *s) > 32; s++) 1323 (void) putc(i, fp); 1324 } else 1325 while (*s > 32) 1326 s++; 1327 } 1328 if (gotsome) 1329 (void) putc('>', fp); 1330 } 1331 1332 int 1333 keyword(cp) 1334 char *cp; 1335 { 1336 register struct keytab *kt = keywords; 1337 1338 while (kt->kt_cp && strcmp(kt->kt_cp, cp)) 1339 kt++; 1340 return kt->kt_i; 1341 } 1342 1343 void 1344 sodump(su, which) 1345 register sup su; 1346 char *which; 1347 { 1348 switch (su->sa.sa_family) { 1349 case AF_LINK: 1350 (void) printf("%s: link %s; ", 1351 which, link_ntoa(&su->sdl)); 1352 break; 1353 case AF_ISO: 1354 (void) printf("%s: iso %s; ", 1355 which, iso_ntoa(&su->siso.siso_addr)); 1356 break; 1357 case AF_INET: 1358 (void) printf("%s: inet %s; ", 1359 which, inet_ntoa(su->sin.sin_addr)); 1360 break; 1361 case AF_NS: 1362 (void) printf("%s: xns %s; ", 1363 which, ns_ntoa(su->sns.sns_addr)); 1364 break; 1365 } 1366 (void) fflush(stdout); 1367 } 1368 1369 /* States*/ 1370 #define VIRGIN 0 1371 #define GOTONE 1 1372 #define GOTTWO 2 1373 /* Inputs */ 1374 #define DIGIT (4*0) 1375 #define END (4*1) 1376 #define DELIM (4*2) 1377 1378 void 1379 sockaddr(addr, sa) 1380 register char *addr; 1381 register struct sockaddr *sa; 1382 { 1383 register char *cp = (char *)sa; 1384 int size = sa->sa_len; 1385 char *cplim = cp + size; 1386 register int byte = 0, state = VIRGIN, new; 1387 1388 memset(cp, 0, size); 1389 cp++; 1390 do { 1391 if ((*addr >= '0') && (*addr <= '9')) { 1392 new = *addr - '0'; 1393 } else if ((*addr >= 'a') && (*addr <= 'f')) { 1394 new = *addr - 'a' + 10; 1395 } else if ((*addr >= 'A') && (*addr <= 'F')) { 1396 new = *addr - 'A' + 10; 1397 } else if (*addr == 0) 1398 state |= END; 1399 else 1400 state |= DELIM; 1401 addr++; 1402 switch (state /* | INPUT */) { 1403 case GOTTWO | DIGIT: 1404 *cp++ = byte; /*FALLTHROUGH*/ 1405 case VIRGIN | DIGIT: 1406 state = GOTONE; byte = new; continue; 1407 case GOTONE | DIGIT: 1408 state = GOTTWO; byte = new + (byte << 4); continue; 1409 default: /* | DELIM */ 1410 state = VIRGIN; *cp++ = byte; byte = 0; continue; 1411 case GOTONE | END: 1412 case GOTTWO | END: 1413 *cp++ = byte; /* FALLTHROUGH */ 1414 case VIRGIN | END: 1415 break; 1416 } 1417 break; 1418 } while (cp < cplim); 1419 sa->sa_len = cp - (char *)sa; 1420 } 1421
Indexes created Sat Sep 27 14:09:57 GMT 2025