route.c revision 1.8
1 /* 2 * Copyright (c) 1983, 1989, 1991, 1993 3 * The Regents of the University of California. 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. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef lint 35 static char copyright[] = 36 "@(#) Copyright (c) 1983, 1989, 1991, 1993\n\ 37 The Regents of the University of California. All rights reserved.\n"; 38 #endif /* not lint */ 39 40 #ifndef lint 41 /*static char sccsid[] = "from: @(#)route.c 8.3 (Berkeley) 3/19/94";*/ 42 static char *rcsid = "$Id: route.c,v 1.8 1994/09/23 14:28:02 mycroft Exp $"; 43 #endif /* not lint */ 44 45 #include <sys/param.h> 46 #include <sys/file.h> 47 #include <sys/socket.h> 48 #include <sys/ioctl.h> 49 #include <sys/mbuf.h> 50 #include <sys/sysctl.h> 51 52 #include <net/if.h> 53 #include <net/route.h> 54 #include <net/if_dl.h> 55 #include <netinet/in.h> 56 #include <netns/ns.h> 57 #include <netiso/iso.h> 58 #include <netccitt/x25.h> 59 #include <arpa/inet.h> 60 #include <netdb.h> 61 62 #include <errno.h> 63 #include <unistd.h> 64 #include <stdio.h> 65 #include <ctype.h> 66 #include <stdlib.h> 67 #include <string.h> 68 #include <paths.h> 69 70 struct keytab { 71 char *kt_cp; 72 int kt_i; 73 } keywords[] = { 74 #include "keywords.h" 75 {0, 0} 76 }; 77 78 struct ortentry route; 79 union sockunion { 80 struct sockaddr sa; 81 struct sockaddr_in sin; 82 struct sockaddr_ns sns; 83 struct sockaddr_iso siso; 84 struct sockaddr_dl sdl; 85 struct sockaddr_x25 sx25; 86 } so_dst, so_gate, so_mask, so_genmask, so_ifa, so_ifp; 87 88 typedef union sockunion *sup; 89 int pid, rtm_addrs, uid; 90 int s; 91 int forcehost, forcenet, doflush, nflag, af, qflag, tflag, keyword(); 92 int iflag, verbose, aflen = sizeof (struct sockaddr_in); 93 int locking, lockrest, debugonly; 94 struct rt_metrics rt_metrics; 95 u_long rtm_inits; 96 struct in_addr inet_makeaddr(); 97 char *routename(), *netname(); 98 void flushroutes(), newroute(), monitor(), sockaddr(), sodump(), bprintf(); 99 void print_getmsg(), print_rtmsg(), pmsg_common(), pmsg_addrs(), mask_addr(); 100 int getaddr(), rtmsg(), x25_makemask(); 101 extern char *inet_ntoa(), *iso_ntoa(), *link_ntoa(); 102 103 __dead void 104 usage(cp) 105 char *cp; 106 { 107 if (cp) 108 (void) fprintf(stderr, "route: botched keyword: %s\n", cp); 109 (void) fprintf(stderr, 110 "usage: route [ -nqv ] cmd [[ -<qualifers> ] args ]\n"); 111 exit(1); 112 /* NOTREACHED */ 113 } 114 115 void 116 quit(s) 117 char *s; 118 { 119 int sverrno = errno; 120 121 (void) fprintf(stderr, "route: "); 122 if (s) 123 (void) fprintf(stderr, "%s: ", s); 124 (void) fprintf(stderr, "%s\n", strerror(sverrno)); 125 exit(1); 126 /* NOTREACHED */ 127 } 128 129 #define ROUNDUP(a) \ 130 ((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long)) 131 #define ADVANCE(x, n) (x += ROUNDUP((n)->sa_len)) 132 133 int 134 main(argc, argv) 135 int argc; 136 char **argv; 137 { 138 extern int optind; 139 int ch; 140 141 if (argc < 2) 142 usage((char *)NULL); 143 144 while ((ch = getopt(argc, argv, "nqdtv")) != EOF) 145 switch(ch) { 146 case 'n': 147 nflag = 1; 148 break; 149 case 'q': 150 qflag = 1; 151 break; 152 case 'v': 153 verbose = 1; 154 break; 155 case 't': 156 tflag = 1; 157 break; 158 case 'd': 159 debugonly = 1; 160 break; 161 case '?': 162 default: 163 usage((char *)NULL); 164 } 165 argc -= optind; 166 argv += optind; 167 168 pid = getpid(); 169 uid = getuid(); 170 if (tflag) 171 s = open("/dev/null", O_WRONLY, 0); 172 else 173 s = socket(PF_ROUTE, SOCK_RAW, 0); 174 if (s < 0) 175 quit("socket"); 176 if (*argv) 177 switch (keyword(*argv)) { 178 case K_GET: 179 uid = 0; 180 /* FALLTHROUGH */ 181 182 case K_CHANGE: 183 case K_ADD: 184 case K_DELETE: 185 newroute(argc, argv); 186 exit(0); 187 /* NOTREACHED */ 188 189 case K_MONITOR: 190 monitor(); 191 /* NOTREACHED */ 192 193 case K_FLUSH: 194 flushroutes(argc, argv); 195 exit(0); 196 /* NOTREACHED */ 197 } 198 usage(*argv); 199 /* NOTREACHED */ 200 } 201 202 /* 203 * Purge all entries in the routing tables not 204 * associated with network interfaces. 205 */ 206 void 207 flushroutes(argc, argv) 208 int argc; 209 char *argv[]; 210 { 211 size_t needed; 212 int mib[6], rlen, seqno; 213 char *buf, *next, *lim; 214 register struct rt_msghdr *rtm; 215 216 if (uid) { 217 errno = EACCES; 218 quit("must be root to alter routing table"); 219 } 220 shutdown(s, 0); /* Don't want to read back our messages */ 221 if (argc > 1) { 222 argv++; 223 if (argc == 2 && **argv == '-') 224 switch (keyword(*argv + 1)) { 225 case K_INET: 226 af = AF_INET; 227 break; 228 case K_XNS: 229 af = AF_NS; 230 break; 231 case K_LINK: 232 af = AF_LINK; 233 break; 234 case K_ISO: 235 case K_OSI: 236 af = AF_ISO; 237 break; 238 case K_X25: 239 af = AF_CCITT; 240 default: 241 goto bad; 242 } else 243 bad: usage(*argv); 244 } 245 mib[0] = CTL_NET; 246 mib[1] = PF_ROUTE; 247 mib[2] = 0; /* protocol */ 248 mib[3] = 0; /* wildcard address family */ 249 mib[4] = NET_RT_DUMP; 250 mib[5] = 0; /* no flags */ 251 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) 252 quit("route-sysctl-estimate"); 253 if ((buf = malloc(needed)) == NULL) 254 quit("malloc"); 255 if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) 256 quit("actual retrieval of routing table"); 257 lim = buf + needed; 258 if (verbose) 259 (void) printf("Examining routing table from sysctl\n"); 260 seqno = 0; /* ??? */ 261 for (next = buf; next < lim; next += rtm->rtm_msglen) { 262 rtm = (struct rt_msghdr *)next; 263 if (verbose) 264 print_rtmsg(rtm, rtm->rtm_msglen); 265 if ((rtm->rtm_flags & RTF_GATEWAY) == 0) 266 continue; 267 if (af) { 268 struct sockaddr *sa = (struct sockaddr *)(rtm + 1); 269 270 if (sa->sa_family != af) 271 continue; 272 } 273 if (debugonly) 274 continue; 275 rtm->rtm_type = RTM_DELETE; 276 rtm->rtm_seq = seqno; 277 rlen = write(s, next, rtm->rtm_msglen); 278 if (rlen < (int)rtm->rtm_msglen) { 279 (void) fprintf(stderr, 280 "route: write to routing socket: %s\n", 281 strerror(errno)); 282 (void) printf("got only %d for rlen\n", rlen); 283 break; 284 } 285 seqno++; 286 if (qflag) 287 continue; 288 if (verbose) 289 print_rtmsg(rtm, rlen); 290 else { 291 struct sockaddr *sa = (struct sockaddr *)(rtm + 1); 292 (void) printf("%-20.20s ", rtm->rtm_flags & RTF_HOST ? 293 routename(sa) : netname(sa)); 294 sa = (struct sockaddr *)(sa->sa_len + (char *)sa); 295 (void) printf("%-20.20s ", routename(sa)); 296 (void) printf("done\n"); 297 } 298 } 299 } 300 301 char * 302 routename(sa) 303 struct sockaddr *sa; 304 { 305 register char *cp; 306 static char line[50]; 307 struct hostent *hp; 308 static char domain[MAXHOSTNAMELEN + 1]; 309 static int first = 1; 310 char *ns_print(); 311 312 if (first) { 313 first = 0; 314 if (gethostname(domain, MAXHOSTNAMELEN) == 0 && 315 (cp = strchr(domain, '.'))) 316 (void) strcpy(domain, cp + 1); 317 else 318 domain[0] = 0; 319 } 320 321 if (sa->sa_len == 0) 322 strcpy(line, "default"); 323 else switch (sa->sa_family) { 324 325 case AF_INET: 326 { struct in_addr in; 327 in = ((struct sockaddr_in *)sa)->sin_addr; 328 329 cp = 0; 330 if (in.s_addr == INADDR_ANY || sa->sa_len < 4) 331 cp = "default"; 332 if (cp == 0 && !nflag) { 333 hp = gethostbyaddr((char *)&in, sizeof (struct in_addr), 334 AF_INET); 335 if (hp) { 336 if ((cp = strchr(hp->h_name, '.')) && 337 !strcmp(cp + 1, domain)) 338 *cp = 0; 339 cp = hp->h_name; 340 } 341 } 342 if (cp) 343 strcpy(line, cp); 344 else { 345 #define C(x) ((x) & 0xff) 346 in.s_addr = ntohl(in.s_addr); 347 (void) sprintf(line, "%u.%u.%u.%u", C(in.s_addr >> 24), 348 C(in.s_addr >> 16), C(in.s_addr >> 8), C(in.s_addr)); 349 } 350 break; 351 } 352 353 case AF_NS: 354 return (ns_print((struct sockaddr_ns *)sa)); 355 356 case AF_LINK: 357 return (link_ntoa((struct sockaddr_dl *)sa)); 358 359 case AF_ISO: 360 (void) sprintf(line, "iso %s", 361 iso_ntoa(&((struct sockaddr_iso *)sa)->siso_addr)); 362 break; 363 364 default: 365 { u_short *s = (u_short *)sa; 366 u_short *slim = s + ((sa->sa_len + 1) >> 1); 367 char *cp = line + sprintf(line, "(%d)", sa->sa_family); 368 369 while (++s < slim) /* start with sa->sa_data */ 370 cp += sprintf(cp, " %x", *s); 371 break; 372 } 373 } 374 return (line); 375 } 376 377 /* 378 * Return the name of the network whose address is given. 379 * The address is assumed to be that of a net or subnet, not a host. 380 */ 381 char * 382 netname(sa) 383 struct sockaddr *sa; 384 { 385 char *cp = 0; 386 static char line[50]; 387 struct netent *np = 0; 388 u_long net, mask; 389 register u_long i; 390 int subnetshift; 391 char *ns_print(); 392 393 switch (sa->sa_family) { 394 395 case AF_INET: 396 { struct in_addr in; 397 in = ((struct sockaddr_in *)sa)->sin_addr; 398 399 i = in.s_addr = ntohl(in.s_addr); 400 if (in.s_addr == 0) 401 cp = "default"; 402 else if (!nflag) { 403 if (IN_CLASSA(i)) { 404 mask = IN_CLASSA_NET; 405 subnetshift = 8; 406 } else if (IN_CLASSB(i)) { 407 mask = IN_CLASSB_NET; 408 subnetshift = 8; 409 } else { 410 mask = IN_CLASSC_NET; 411 subnetshift = 4; 412 } 413 /* 414 * If there are more bits than the standard mask 415 * would suggest, subnets must be in use. 416 * Guess at the subnet mask, assuming reasonable 417 * width subnet fields. 418 */ 419 while (in.s_addr &~ mask) 420 mask = (long)mask >> subnetshift; 421 net = in.s_addr & mask; 422 while ((mask & 1) == 0) 423 mask >>= 1, net >>= 1; 424 np = getnetbyaddr(net, AF_INET); 425 if (np) 426 cp = np->n_name; 427 } 428 if (cp) 429 strcpy(line, cp); 430 else if ((in.s_addr & 0xffffff) == 0) 431 (void) sprintf(line, "%u", C(in.s_addr >> 24)); 432 else if ((in.s_addr & 0xffff) == 0) 433 (void) sprintf(line, "%u.%u", C(in.s_addr >> 24), 434 C(in.s_addr >> 16)); 435 else if ((in.s_addr & 0xff) == 0) 436 (void) sprintf(line, "%u.%u.%u", C(in.s_addr >> 24), 437 C(in.s_addr >> 16), C(in.s_addr >> 8)); 438 else 439 (void) sprintf(line, "%u.%u.%u.%u", C(in.s_addr >> 24), 440 C(in.s_addr >> 16), C(in.s_addr >> 8), 441 C(in.s_addr)); 442 break; 443 } 444 445 case AF_NS: 446 return (ns_print((struct sockaddr_ns *)sa)); 447 break; 448 449 case AF_LINK: 450 return (link_ntoa((struct sockaddr_dl *)sa)); 451 452 case AF_ISO: 453 (void) sprintf(line, "iso %s", 454 iso_ntoa(&((struct sockaddr_iso *)sa)->siso_addr)); 455 break; 456 457 default: 458 { u_short *s = (u_short *)sa->sa_data; 459 u_short *slim = s + ((sa->sa_len + 1)>>1); 460 char *cp = line + sprintf(line, "af %d:", sa->sa_family); 461 462 while (s < slim) 463 cp += sprintf(cp, " %x", *s++); 464 break; 465 } 466 } 467 return (line); 468 } 469 470 void 471 set_metric(value, key) 472 char *value; 473 int key; 474 { 475 int flag = 0; 476 u_long noval, *valp = &noval; 477 478 switch (key) { 479 #define caseof(x, y, z) case x: valp = &rt_metrics.z; flag = y; break 480 caseof(K_MTU, RTV_MTU, rmx_mtu); 481 caseof(K_HOPCOUNT, RTV_HOPCOUNT, rmx_hopcount); 482 caseof(K_EXPIRE, RTV_EXPIRE, rmx_expire); 483 caseof(K_RECVPIPE, RTV_RPIPE, rmx_recvpipe); 484 caseof(K_SENDPIPE, RTV_SPIPE, rmx_sendpipe); 485 caseof(K_SSTHRESH, RTV_SSTHRESH, rmx_ssthresh); 486 caseof(K_RTT, RTV_RTT, rmx_rtt); 487 caseof(K_RTTVAR, RTV_RTTVAR, rmx_rttvar); 488 } 489 rtm_inits |= flag; 490 if (lockrest || locking) 491 rt_metrics.rmx_locks |= flag; 492 if (locking) 493 locking = 0; 494 *valp = atoi(value); 495 } 496 497 void 498 newroute(argc, argv) 499 int argc; 500 register char **argv; 501 { 502 char *cmd, *dest = "", *gateway = "", *err; 503 int ishost = 0, ret, attempts, oerrno, flags = RTF_STATIC; 504 int key; 505 struct hostent *hp = 0; 506 507 if (uid) { 508 errno = EACCES; 509 quit("must be root to alter routing table"); 510 } 511 cmd = argv[0]; 512 if (*cmd != 'g') 513 shutdown(s, 0); /* Don't want to read back our messages */ 514 while (--argc > 0) { 515 if (**(++argv)== '-') { 516 switch (key = keyword(1 + *argv)) { 517 case K_LINK: 518 af = AF_LINK; 519 aflen = sizeof(struct sockaddr_dl); 520 break; 521 case K_OSI: 522 case K_ISO: 523 af = AF_ISO; 524 aflen = sizeof(struct sockaddr_iso); 525 break; 526 case K_INET: 527 af = AF_INET; 528 aflen = sizeof(struct sockaddr_in); 529 break; 530 case K_X25: 531 af = AF_CCITT; 532 aflen = sizeof(struct sockaddr_x25); 533 break; 534 case K_SA: 535 af = PF_ROUTE; 536 aflen = sizeof(union sockunion); 537 break; 538 case K_XNS: 539 af = AF_NS; 540 aflen = sizeof(struct sockaddr_ns); 541 break; 542 case K_IFACE: 543 case K_INTERFACE: 544 iflag++; 545 case K_NOSTATIC: 546 flags &= ~RTF_STATIC; 547 break; 548 case K_LOCK: 549 locking = 1; 550 break; 551 case K_LOCKREST: 552 lockrest = 1; 553 break; 554 case K_HOST: 555 forcehost++; 556 break; 557 case K_REJECT: 558 flags |= RTF_REJECT; 559 break; 560 case K_BLACKHOLE: 561 flags |= RTF_BLACKHOLE; 562 break; 563 case K_PROTO1: 564 flags |= RTF_PROTO1; 565 break; 566 case K_PROTO2: 567 flags |= RTF_PROTO2; 568 break; 569 case K_CLONING: 570 flags |= RTF_CLONING; 571 break; 572 case K_XRESOLVE: 573 flags |= RTF_XRESOLVE; 574 break; 575 case K_STATIC: 576 flags |= RTF_STATIC; 577 break; 578 case K_IFA: 579 argc--; 580 (void) getaddr(RTA_IFA, *++argv, 0); 581 break; 582 case K_IFP: 583 argc--; 584 (void) getaddr(RTA_IFP, *++argv, 0); 585 break; 586 case K_GENMASK: 587 argc--; 588 (void) getaddr(RTA_GENMASK, *++argv, 0); 589 break; 590 case K_GATEWAY: 591 argc--; 592 (void) getaddr(RTA_GATEWAY, *++argv, 0); 593 break; 594 case K_DST: 595 argc--; 596 ishost = getaddr(RTA_DST, *++argv, &hp); 597 dest = *argv; 598 break; 599 case K_NETMASK: 600 argc--; 601 (void) getaddr(RTA_NETMASK, *++argv, 0); 602 /* FALLTHROUGH */ 603 case K_NET: 604 forcenet++; 605 break; 606 case K_MTU: 607 case K_HOPCOUNT: 608 case K_EXPIRE: 609 case K_RECVPIPE: 610 case K_SENDPIPE: 611 case K_SSTHRESH: 612 case K_RTT: 613 case K_RTTVAR: 614 argc--; 615 set_metric(*++argv, key); 616 break; 617 default: 618 usage(1+*argv); 619 } 620 } else { 621 if ((rtm_addrs & RTA_DST) == 0) { 622 dest = *argv; 623 ishost = getaddr(RTA_DST, *argv, &hp); 624 } else if ((rtm_addrs & RTA_GATEWAY) == 0) { 625 gateway = *argv; 626 (void) getaddr(RTA_GATEWAY, *argv, &hp); 627 } else { 628 int ret = atoi(*argv); 629 630 if (ret == 0) { 631 if (strcmp(*argv, "0") == 0) 632 printf("%s,%s", 633 "old usage of trailing 0", 634 "assuming route to if\n"); 635 else 636 usage((char *)NULL); 637 iflag = 1; 638 continue; 639 } else if (ret > 0 && ret < 10) { 640 printf("old usage of trailing digit, "); 641 printf("assuming route via gateway\n"); 642 iflag = 0; 643 continue; 644 } 645 (void) getaddr(RTA_NETMASK, *argv, 0); 646 } 647 } 648 } 649 if (forcehost) 650 ishost = 1; 651 if (forcenet) 652 ishost = 0; 653 flags |= RTF_UP; 654 if (ishost) 655 flags |= RTF_HOST; 656 if (iflag == 0) 657 flags |= RTF_GATEWAY; 658 for (attempts = 1; ; attempts++) { 659 errno = 0; 660 if ((ret = rtmsg(*cmd, flags)) == 0) 661 break; 662 if (errno != ENETUNREACH && errno != ESRCH) 663 break; 664 if (af == AF_INET && *gateway && hp && hp->h_addr_list[1]) { 665 hp->h_addr_list++; 666 memcpy(&so_gate.sin.sin_addr, hp->h_addr_list[0], 667 hp->h_length); 668 } else 669 break; 670 } 671 if (*cmd == 'g') 672 exit(0); 673 oerrno = errno; 674 (void) printf("%s %s %s", cmd, ishost? "host" : "net", dest); 675 if (*gateway) { 676 (void) printf(": gateway %s", gateway); 677 if (attempts > 1 && ret == 0 && af == AF_INET) 678 (void) printf(" (%s)", 679 inet_ntoa(((struct sockaddr_in *)&route.rt_gateway)->sin_addr)); 680 } 681 if (ret == 0) 682 (void) printf("\n"); 683 else { 684 switch (oerrno) { 685 case ESRCH: 686 err = "not in table"; 687 break; 688 case EBUSY: 689 err = "entry in use"; 690 break; 691 case ENOBUFS: 692 err = "routing table overflow"; 693 break; 694 default: 695 err = strerror(oerrno); 696 break; 697 } 698 (void) printf(": %s\n", err); 699 } 700 } 701 702 void 703 inet_makenetandmask(net, sin) 704 u_long net; 705 register struct sockaddr_in *sin; 706 { 707 u_long addr, mask = 0; 708 register char *cp; 709 710 rtm_addrs |= RTA_NETMASK; 711 if (net == 0) 712 mask = addr = 0; 713 else if (net < 128) { 714 addr = net << IN_CLASSA_NSHIFT; 715 mask = IN_CLASSA_NET; 716 } else if (net < 65536) { 717 addr = net << IN_CLASSB_NSHIFT; 718 mask = IN_CLASSB_NET; 719 } else if (net < 16777216L) { 720 addr = net << IN_CLASSC_NSHIFT; 721 mask = IN_CLASSC_NET; 722 } else { 723 addr = net; 724 if ((addr & IN_CLASSA_HOST) == 0) 725 mask = IN_CLASSA_NET; 726 else if ((addr & IN_CLASSB_HOST) == 0) 727 mask = IN_CLASSB_NET; 728 else if ((addr & IN_CLASSC_HOST) == 0) 729 mask = IN_CLASSC_NET; 730 else 731 mask = -1; 732 } 733 sin->sin_addr.s_addr = htonl(addr); 734 sin = &so_mask.sin; 735 sin->sin_addr.s_addr = htonl(mask); 736 sin->sin_len = 0; 737 sin->sin_family = 0; 738 cp = (char *)(&sin->sin_addr + 1); 739 while (*--cp == 0 && cp > (char *)sin) 740 ; 741 sin->sin_len = 1 + cp - (char *)sin; 742 } 743 744 /* 745 * Interpret an argument as a network address of some kind, 746 * returning 1 if a host address, 0 if a network address. 747 */ 748 int 749 getaddr(which, s, hpp) 750 int which; 751 char *s; 752 struct hostent **hpp; 753 { 754 register sup su; 755 struct ns_addr ns_addr(); 756 struct iso_addr *iso_addr(); 757 struct hostent *hp; 758 struct netent *np; 759 u_long val; 760 761 if (af == 0) { 762 af = AF_INET; 763 aflen = sizeof(struct sockaddr_in); 764 } 765 rtm_addrs |= which; 766 switch (which) { 767 case RTA_DST: 768 su = &so_dst; 769 su->sa.sa_family = af; 770 break; 771 case RTA_GATEWAY: 772 su = &so_gate; 773 su->sa.sa_family = af; 774 break; 775 case RTA_NETMASK: 776 su = &so_mask; 777 break; 778 case RTA_GENMASK: 779 su = &so_genmask; 780 break; 781 case RTA_IFP: 782 su = &so_ifp; 783 su->sa.sa_family = af; 784 break; 785 case RTA_IFA: 786 su = &so_ifa; 787 su->sa.sa_family = af; 788 break; 789 default: 790 usage("Internal Error"); 791 /*NOTREACHED*/ 792 } 793 su->sa.sa_len = aflen; 794 if (strcmp(s, "default") == 0) { 795 switch (which) { 796 case RTA_DST: 797 forcenet++; 798 (void) getaddr(RTA_NETMASK, s, 0); 799 break; 800 case RTA_NETMASK: 801 case RTA_GENMASK: 802 su->sa.sa_len = 0; 803 } 804 return (0); 805 } 806 switch (af) { 807 case AF_NS: 808 if (which == RTA_DST) { 809 extern short ns_bh[3]; 810 struct sockaddr_ns *sms = &(so_mask.sns); 811 memset(sms, 0, sizeof(*sms)); 812 sms->sns_family = 0; 813 sms->sns_len = 6; 814 sms->sns_addr.x_net = *(union ns_net *)ns_bh; 815 rtm_addrs |= RTA_NETMASK; 816 } 817 su->sns.sns_addr = ns_addr(s); 818 return (!ns_nullhost(su->sns.sns_addr)); 819 820 case AF_OSI: 821 su->siso.siso_addr = *iso_addr(s); 822 if (which == RTA_NETMASK || which == RTA_GENMASK) { 823 register char *cp = (char *)TSEL(&su->siso); 824 su->siso.siso_nlen = 0; 825 do {--cp ;} while ((cp > (char *)su) && (*cp == 0)); 826 su->siso.siso_len = 1 + cp - (char *)su; 827 } 828 return (1); 829 830 case AF_LINK: 831 link_addr(s, &su->sdl); 832 return (1); 833 834 case AF_CCITT: 835 ccitt_addr(s, &su->sx25); 836 return (which == RTA_DST ? x25_makemask() : 1); 837 838 case PF_ROUTE: 839 su->sa.sa_len = sizeof(*su); 840 sockaddr(s, &su->sa); 841 return (1); 842 843 case AF_INET: 844 default: 845 break; 846 } 847 848 if (hpp == NULL) 849 hpp = &hp; 850 *hpp = NULL; 851 if (((val = inet_addr(s)) != -1) && 852 (which != RTA_DST || forcenet == 0)) { 853 su->sin.sin_addr.s_addr = val; 854 if (inet_lnaof(su->sin.sin_addr) != INADDR_ANY) 855 return (1); 856 else { 857 val = ntohl(val); 858 goto netdone; 859 } 860 } 861 if ((val = inet_network(s)) != -1 || 862 ((np = getnetbyname(s)) != NULL && (val = np->n_net) != 0)) { 863 netdone: 864 if (which == RTA_DST) 865 inet_makenetandmask(val, &su->sin); 866 return (0); 867 } 868 hp = gethostbyname(s); 869 if (hp) { 870 *hpp = hp; 871 su->sin.sin_family = hp->h_addrtype; 872 memcpy(&su->sin.sin_addr, hp->h_addr, hp->h_length); 873 return (1); 874 } 875 (void) fprintf(stderr, "%s: bad value\n", s); 876 exit(1); 877 } 878 879 int 880 x25_makemask() 881 { 882 register char *cp; 883 884 if ((rtm_addrs & RTA_NETMASK) == 0) { 885 rtm_addrs |= RTA_NETMASK; 886 for (cp = (char *)&so_mask.sx25.x25_net; 887 cp < &so_mask.sx25.x25_opts.op_flags; cp++) 888 *cp = -1; 889 so_mask.sx25.x25_len = (u_char)&(((sup)0)->sx25.x25_opts); 890 } 891 return 0; 892 } 893 894 short ns_nullh[] = {0,0,0}; 895 short ns_bh[] = {-1,-1,-1}; 896 897 char * 898 ns_print(sns) 899 struct sockaddr_ns *sns; 900 { 901 struct ns_addr work; 902 union { union ns_net net_e; u_long long_e; } net; 903 u_short port; 904 static char mybuf[50], cport[10], chost[25]; 905 char *host = ""; 906 register char *p; 907 register u_char *q; 908 909 work = sns->sns_addr; 910 port = ntohs(work.x_port); 911 work.x_port = 0; 912 net.net_e = work.x_net; 913 if (ns_nullhost(work) && net.long_e == 0) { 914 if (!port) 915 return ("*.*"); 916 (void) sprintf(mybuf, "*.%XH", port); 917 return (mybuf); 918 } 919 920 if (bcmp((char *)ns_bh, (char *)work.x_host.c_host, 6) == 0) 921 host = "any"; 922 else if (bcmp((char *)ns_nullh, (char *)work.x_host.c_host, 6) == 0) 923 host = "*"; 924 else { 925 q = work.x_host.c_host; 926 (void) sprintf(chost, "%02X%02X%02X%02X%02X%02XH", 927 q[0], q[1], q[2], q[3], q[4], q[5]); 928 for (p = chost; *p == '0' && p < chost + 12; p++) 929 /* void */; 930 host = p; 931 } 932 if (port) 933 (void) sprintf(cport, ".%XH", htons(port)); 934 else 935 *cport = 0; 936 937 (void) sprintf(mybuf,"%XH.%s%s", ntohl(net.long_e), host, cport); 938 return (mybuf); 939 } 940 941 void 942 interfaces() 943 { 944 size_t needed; 945 int mib[6]; 946 char *buf, *lim, *next; 947 register struct rt_msghdr *rtm; 948 949 mib[0] = CTL_NET; 950 mib[1] = PF_ROUTE; 951 mib[2] = 0; /* protocol */ 952 mib[3] = 0; /* wildcard address family */ 953 mib[4] = NET_RT_IFLIST; 954 mib[5] = 0; /* no flags */ 955 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) 956 quit("route-sysctl-estimate"); 957 if ((buf = malloc(needed)) == NULL) 958 quit("malloc"); 959 if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) 960 quit("actual retrieval of interface table"); 961 lim = buf + needed; 962 for (next = buf; next < lim; next += rtm->rtm_msglen) { 963 rtm = (struct rt_msghdr *)next; 964 print_rtmsg(rtm, rtm->rtm_msglen); 965 } 966 } 967 968 void 969 monitor() 970 { 971 int n; 972 char msg[2048]; 973 974 verbose = 1; 975 if (debugonly) { 976 interfaces(); 977 exit(0); 978 } 979 for(;;) { 980 n = read(s, msg, 2048); 981 (void) printf("got message of size %d\n", n); 982 print_rtmsg((struct rt_msghdr *)msg, n); 983 } 984 } 985 986 struct { 987 struct rt_msghdr m_rtm; 988 char m_space[512]; 989 } m_rtmsg; 990 991 int 992 rtmsg(cmd, flags) 993 int cmd, flags; 994 { 995 static int seq; 996 int rlen; 997 register char *cp = m_rtmsg.m_space; 998 register int l; 999 1000 #define NEXTADDR(w, u) \ 1001 if (rtm_addrs & (w)) {\ 1002 l = ROUNDUP(u.sa.sa_len); memcpy(cp, &(u), l); cp += l;\ 1003 if (verbose) sodump(&(u),"u");\ 1004 } 1005 1006 errno = 0; 1007 memset(&m_rtmsg, 0, sizeof(m_rtmsg)); 1008 if (cmd == 'a') 1009 cmd = RTM_ADD; 1010 else if (cmd == 'c') 1011 cmd = RTM_CHANGE; 1012 else if (cmd == 'g') { 1013 cmd = RTM_GET; 1014 if (so_ifp.sa.sa_family == 0) { 1015 so_ifp.sa.sa_family == AF_LINK; 1016 so_ifp.sa.sa_len == sizeof(struct sockaddr_dl); 1017 rtm_addrs |= RTA_IFP; 1018 } 1019 } else 1020 cmd = RTM_DELETE; 1021 #define rtm m_rtmsg.m_rtm 1022 rtm.rtm_type = cmd; 1023 rtm.rtm_flags = flags; 1024 rtm.rtm_version = RTM_VERSION; 1025 rtm.rtm_seq = ++seq; 1026 rtm.rtm_addrs = rtm_addrs; 1027 rtm.rtm_rmx = rt_metrics; 1028 rtm.rtm_inits = rtm_inits; 1029 1030 if (rtm_addrs & RTA_NETMASK) 1031 mask_addr(); 1032 NEXTADDR(RTA_DST, so_dst); 1033 NEXTADDR(RTA_GATEWAY, so_gate); 1034 NEXTADDR(RTA_NETMASK, so_mask); 1035 NEXTADDR(RTA_GENMASK, so_genmask); 1036 NEXTADDR(RTA_IFP, so_ifp); 1037 NEXTADDR(RTA_IFA, so_ifa); 1038 rtm.rtm_msglen = l = cp - (char *)&m_rtmsg; 1039 if (verbose) 1040 print_rtmsg(&rtm, l); 1041 if (debugonly) 1042 return (0); 1043 if ((rlen = write(s, (char *)&m_rtmsg, l)) < 0) { 1044 perror("writing to routing socket"); 1045 return (-1); 1046 } 1047 if (cmd == RTM_GET) { 1048 do { 1049 l = read(s, (char *)&m_rtmsg, sizeof(m_rtmsg)); 1050 } while (l > 0 && (rtm.rtm_seq != seq || rtm.rtm_pid != pid)); 1051 if (l < 0) 1052 (void) fprintf(stderr, 1053 "route: read from routing socket: %s\n", 1054 strerror(errno)); 1055 else 1056 print_getmsg(&rtm, l); 1057 } 1058 #undef rtm 1059 return (0); 1060 } 1061 1062 void 1063 mask_addr() 1064 { 1065 int olen = so_mask.sa.sa_len; 1066 register char *cp1 = olen + (char *)&so_mask, *cp2; 1067 1068 for (so_mask.sa.sa_len = 0; cp1 > (char *)&so_mask; ) 1069 if (*--cp1 != 0) { 1070 so_mask.sa.sa_len = 1 + cp1 - (char *)&so_mask; 1071 break; 1072 } 1073 if ((rtm_addrs & RTA_DST) == 0) 1074 return; 1075 switch (so_dst.sa.sa_family) { 1076 case AF_NS: 1077 case AF_INET: 1078 case AF_CCITT: 1079 case 0: 1080 return; 1081 case AF_ISO: 1082 olen = MIN(so_dst.siso.siso_nlen, 1083 MAX(so_mask.sa.sa_len - 6, 0)); 1084 break; 1085 } 1086 cp1 = so_mask.sa.sa_len + 1 + (char *)&so_dst; 1087 cp2 = so_dst.sa.sa_len + 1 + (char *)&so_dst; 1088 while (cp2 > cp1) 1089 *--cp2 = 0; 1090 cp2 = so_mask.sa.sa_len + 1 + (char *)&so_mask; 1091 while (cp1 > so_dst.sa.sa_data) 1092 *--cp1 &= *--cp2; 1093 switch (so_dst.sa.sa_family) { 1094 case AF_ISO: 1095 so_dst.siso.siso_nlen = olen; 1096 break; 1097 } 1098 } 1099 1100 char *msgtypes[] = { 1101 "", 1102 "RTM_ADD: Add Route", 1103 "RTM_DELETE: Delete Route", 1104 "RTM_CHANGE: Change Metrics or flags", 1105 "RTM_GET: Report Metrics", 1106 "RTM_LOSING: Kernel Suspects Partitioning", 1107 "RTM_REDIRECT: Told to use different route", 1108 "RTM_MISS: Lookup failed on this address", 1109 "RTM_LOCK: fix specified metrics", 1110 "RTM_OLDADD: caused by SIOCADDRT", 1111 "RTM_OLDDEL: caused by SIOCDELRT", 1112 "RTM_RESOLVE: Route created by cloning", 1113 "RTM_NEWADDR: address being added to iface", 1114 "RTM_DELADDR: address being removed from iface", 1115 "RTM_IFINFO: iface status change", 1116 0, 1117 }; 1118 1119 char metricnames[] = 1120 "\011pksent\010rttvar\7rtt\6ssthresh\5sendpipe\4recvpipe\3expire\2hopcount\1mtu"; 1121 char routeflags[] = 1122 "\1UP\2GATEWAY\3HOST\4REJECT\5DYNAMIC\6MODIFIED\7DONE\010MASK_PRESENT\011CLONING\012XRESOLVE\013LLINFO\014STATIC\017PROTO2\020PROTO1"; 1123 char ifnetflags[] = 1124 "\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5PTP\6NOTRAILERS\7RUNNING\010NOARP\011PPROMISC\012ALLMULTI\013OACTIVE\014SIMPLEX\015LINK0\016LINK1\017LINK2\020MULTICAST"; 1125 char addrnames[] = 1126 "\1DST\2GATEWAY\3NETMASK\4GENMASK\5IFP\6IFA\7AUTHOR\010BRD"; 1127 1128 void 1129 print_rtmsg(rtm, msglen) 1130 register struct rt_msghdr *rtm; 1131 int msglen; 1132 { 1133 struct if_msghdr *ifm; 1134 struct ifa_msghdr *ifam; 1135 1136 if (verbose == 0) 1137 return; 1138 if (rtm->rtm_version != RTM_VERSION) { 1139 (void) printf("routing message version %d not understood\n", 1140 rtm->rtm_version); 1141 return; 1142 } 1143 (void)printf("%s: len %d, ", msgtypes[rtm->rtm_type], rtm->rtm_msglen); 1144 switch (rtm->rtm_type) { 1145 case RTM_IFINFO: 1146 ifm = (struct if_msghdr *)rtm; 1147 (void) printf("if# %d, flags:", ifm->ifm_index); 1148 bprintf(stdout, ifm->ifm_flags, ifnetflags); 1149 pmsg_addrs((char *)(ifm + 1), ifm->ifm_addrs); 1150 break; 1151 case RTM_NEWADDR: 1152 case RTM_DELADDR: 1153 ifam = (struct ifa_msghdr *)rtm; 1154 (void) printf("metric %d, flags:", ifam->ifam_metric); 1155 bprintf(stdout, ifam->ifam_flags, routeflags); 1156 pmsg_addrs((char *)(ifam + 1), ifam->ifam_addrs); 1157 break; 1158 default: 1159 (void) printf("pid: %d, seq %d, errno %d, flags:", 1160 rtm->rtm_pid, rtm->rtm_seq, rtm->rtm_errno); 1161 bprintf(stdout, rtm->rtm_flags, routeflags); 1162 pmsg_common(rtm); 1163 } 1164 } 1165 1166 void 1167 print_getmsg(rtm, msglen) 1168 register struct rt_msghdr *rtm; 1169 int msglen; 1170 { 1171 struct sockaddr *dst = NULL, *gate = NULL, *mask = NULL; 1172 struct sockaddr_dl *ifp = NULL; 1173 register struct sockaddr *sa; 1174 register char *cp; 1175 register int i; 1176 1177 (void) printf(" route to: %s\n", routename(&so_dst)); 1178 if (rtm->rtm_version != RTM_VERSION) { 1179 (void)fprintf(stderr, 1180 "routing message version %d not understood\n", 1181 rtm->rtm_version); 1182 return; 1183 } 1184 if (rtm->rtm_msglen > msglen) { 1185 (void)fprintf(stderr, 1186 "message length mismatch, in packet %d, returned %d\n", 1187 rtm->rtm_msglen, msglen); 1188 } 1189 if (rtm->rtm_errno) { 1190 (void) fprintf(stderr, "RTM_GET: %s (errno %d)\n", 1191 strerror(rtm->rtm_errno), rtm->rtm_errno); 1192 return; 1193 } 1194 cp = ((char *)(rtm + 1)); 1195 if (rtm->rtm_addrs) 1196 for (i = 1; i; i <<= 1) 1197 if (i & rtm->rtm_addrs) { 1198 sa = (struct sockaddr *)cp; 1199 switch (i) { 1200 case RTA_DST: 1201 dst = sa; 1202 break; 1203 case RTA_GATEWAY: 1204 gate = sa; 1205 break; 1206 case RTA_NETMASK: 1207 mask = sa; 1208 break; 1209 case RTA_IFP: 1210 if (sa->sa_family == AF_LINK && 1211 ((struct sockaddr_dl *)sa)->sdl_nlen) 1212 ifp = (struct sockaddr_dl *)sa; 1213 break; 1214 } 1215 ADVANCE(cp, sa); 1216 } 1217 if (dst && mask) 1218 mask->sa_family = dst->sa_family; /* XXX */ 1219 if (dst) 1220 (void)printf("destination: %s\n", routename(dst)); 1221 if (mask) { 1222 int savenflag = nflag; 1223 1224 nflag = 1; 1225 (void)printf(" mask: %s\n", routename(mask)); 1226 nflag = savenflag; 1227 } 1228 if (gate && rtm->rtm_flags & RTF_GATEWAY) 1229 (void)printf(" gateway: %s\n", routename(gate)); 1230 if (ifp) 1231 (void)printf(" interface: %.*s\n", 1232 ifp->sdl_nlen, ifp->sdl_data); 1233 (void)printf(" flags: "); 1234 bprintf(stdout, rtm->rtm_flags, routeflags); 1235 1236 #define lock(f) ((rtm->rtm_rmx.rmx_locks & __CONCAT(RTV_,f)) ? 'L' : ' ') 1237 #define msec(u) (((u) + 500) / 1000) /* usec to msec */ 1238 1239 (void) printf("\n%s\n", "\ 1240 recvpipe sendpipe ssthresh rtt,msec rttvar hopcount mtu expire"); 1241 printf("%8d%c ", rtm->rtm_rmx.rmx_recvpipe, lock(RPIPE)); 1242 printf("%8d%c ", rtm->rtm_rmx.rmx_sendpipe, lock(SPIPE)); 1243 printf("%8d%c ", rtm->rtm_rmx.rmx_ssthresh, lock(SSTHRESH)); 1244 printf("%8d%c ", msec(rtm->rtm_rmx.rmx_rtt), lock(RTT)); 1245 printf("%8d%c ", msec(rtm->rtm_rmx.rmx_rttvar), lock(RTTVAR)); 1246 printf("%8d%c ", rtm->rtm_rmx.rmx_hopcount, lock(HOPCOUNT)); 1247 printf("%8d%c ", rtm->rtm_rmx.rmx_mtu, lock(MTU)); 1248 if (rtm->rtm_rmx.rmx_expire) 1249 rtm->rtm_rmx.rmx_expire -= time(0); 1250 printf("%8d%c\n", rtm->rtm_rmx.rmx_expire, lock(EXPIRE)); 1251 #undef lock 1252 #undef msec 1253 #define RTA_IGN (RTA_DST|RTA_GATEWAY|RTA_NETMASK|RTA_IFP|RTA_IFA|RTA_BRD) 1254 if (verbose) 1255 pmsg_common(rtm); 1256 else if (rtm->rtm_addrs &~ RTA_IGN) { 1257 (void) printf("sockaddrs: "); 1258 bprintf(stdout, rtm->rtm_addrs, addrnames); 1259 putchar('\n'); 1260 } 1261 #undef RTA_IGN 1262 } 1263 1264 void 1265 pmsg_common(rtm) 1266 register struct rt_msghdr *rtm; 1267 { 1268 (void) printf("\nlocks: "); 1269 bprintf(stdout, rtm->rtm_rmx.rmx_locks, metricnames); 1270 (void) printf(" inits: "); 1271 bprintf(stdout, rtm->rtm_inits, metricnames); 1272 pmsg_addrs(((char *)(rtm + 1)), rtm->rtm_addrs); 1273 } 1274 1275 void 1276 pmsg_addrs(cp, addrs) 1277 char *cp; 1278 int addrs; 1279 { 1280 register struct sockaddr *sa; 1281 int i; 1282 1283 if (addrs == 0) 1284 return; 1285 (void) printf("\nsockaddrs: "); 1286 bprintf(stdout, addrs, addrnames); 1287 (void) putchar('\n'); 1288 for (i = 1; i; i <<= 1) 1289 if (i & addrs) { 1290 sa = (struct sockaddr *)cp; 1291 (void) printf(" %s", routename(sa)); 1292 ADVANCE(cp, sa); 1293 } 1294 (void) putchar('\n'); 1295 (void) fflush(stdout); 1296 } 1297 1298 void 1299 bprintf(fp, b, s) 1300 register FILE *fp; 1301 register int b; 1302 register u_char *s; 1303 { 1304 register int i; 1305 int gotsome = 0; 1306 1307 if (b == 0) 1308 return; 1309 while (i = *s++) { 1310 if (b & (1 << (i-1))) { 1311 if (gotsome == 0) 1312 i = '<'; 1313 else 1314 i = ','; 1315 (void) putc(i, fp); 1316 gotsome = 1; 1317 for (; (i = *s) > 32; s++) 1318 (void) putc(i, fp); 1319 } else 1320 while (*s > 32) 1321 s++; 1322 } 1323 if (gotsome) 1324 (void) putc('>', fp); 1325 } 1326 1327 int 1328 keyword(cp) 1329 char *cp; 1330 { 1331 register struct keytab *kt = keywords; 1332 1333 while (kt->kt_cp && strcmp(kt->kt_cp, cp)) 1334 kt++; 1335 return kt->kt_i; 1336 } 1337 1338 void 1339 sodump(su, which) 1340 register sup su; 1341 char *which; 1342 { 1343 switch (su->sa.sa_family) { 1344 case AF_LINK: 1345 (void) printf("%s: link %s; ", 1346 which, link_ntoa(&su->sdl)); 1347 break; 1348 case AF_ISO: 1349 (void) printf("%s: iso %s; ", 1350 which, iso_ntoa(&su->siso.siso_addr)); 1351 break; 1352 case AF_INET: 1353 (void) printf("%s: inet %s; ", 1354 which, inet_ntoa(su->sin.sin_addr)); 1355 break; 1356 case AF_NS: 1357 (void) printf("%s: xns %s; ", 1358 which, ns_ntoa(su->sns.sns_addr)); 1359 break; 1360 } 1361 (void) fflush(stdout); 1362 } 1363 1364 /* States*/ 1365 #define VIRGIN 0 1366 #define GOTONE 1 1367 #define GOTTWO 2 1368 /* Inputs */ 1369 #define DIGIT (4*0) 1370 #define END (4*1) 1371 #define DELIM (4*2) 1372 1373 void 1374 sockaddr(addr, sa) 1375 register char *addr; 1376 register struct sockaddr *sa; 1377 { 1378 register char *cp = (char *)sa; 1379 int size = sa->sa_len; 1380 char *cplim = cp + size; 1381 register int byte = 0, state = VIRGIN, new; 1382 1383 memset(cp, 0, size); 1384 cp++; 1385 do { 1386 if ((*addr >= '0') && (*addr <= '9')) { 1387 new = *addr - '0'; 1388 } else if ((*addr >= 'a') && (*addr <= 'f')) { 1389 new = *addr - 'a' + 10; 1390 } else if ((*addr >= 'A') && (*addr <= 'F')) { 1391 new = *addr - 'A' + 10; 1392 } else if (*addr == 0) 1393 state |= END; 1394 else 1395 state |= DELIM; 1396 addr++; 1397 switch (state /* | INPUT */) { 1398 case GOTTWO | DIGIT: 1399 *cp++ = byte; /*FALLTHROUGH*/ 1400 case VIRGIN | DIGIT: 1401 state = GOTONE; byte = new; continue; 1402 case GOTONE | DIGIT: 1403 state = GOTTWO; byte = new + (byte << 4); continue; 1404 default: /* | DELIM */ 1405 state = VIRGIN; *cp++ = byte; byte = 0; continue; 1406 case GOTONE | END: 1407 case GOTTWO | END: 1408 *cp++ = byte; /* FALLTHROUGH */ 1409 case VIRGIN | END: 1410 break; 1411 } 1412 break; 1413 } while (cp < cplim); 1414 sa->sa_len = cp - (char *)sa; 1415 } 1416
Indexes created Thu Sep 25 16:09:42 GMT 2025