arp.c revision 1.49.6.1
1 /* $NetBSD: arp.c,v 1.49.6.1 2014/05/22 11:43:01 yamt Exp $ */ 2 3 /* 4 * Copyright (c) 1984, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Sun Microsystems, Inc. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 #ifndef lint 37 __COPYRIGHT("@(#) Copyright (c) 1984, 1993\ 38 The Regents of the University of California. All rights reserved."); 39 #endif /* not lint */ 40 41 #ifndef lint 42 #if 0 43 static char sccsid[] = "@(#)arp.c 8.3 (Berkeley) 4/28/95"; 44 #else 45 __RCSID("$NetBSD: arp.c,v 1.49.6.1 2014/05/22 11:43:01 yamt Exp $"); 46 #endif 47 #endif /* not lint */ 48 49 /* 50 * arp - display, set, and delete arp table entries 51 */ 52 53 #include <sys/param.h> 54 #include <sys/file.h> 55 #include <sys/socket.h> 56 #include <sys/sysctl.h> 57 #include <sys/ioctl.h> 58 59 #include <net/if.h> 60 #include <net/if_dl.h> 61 #include <net/if_ether.h> 62 #include <net/if_types.h> 63 #include <net/route.h> 64 #include <netinet/in.h> 65 #include <netinet/if_inarp.h> 66 #include <arpa/inet.h> 67 68 #include <err.h> 69 #include <errno.h> 70 #include <netdb.h> 71 #include <nlist.h> 72 #include <paths.h> 73 #include <stdio.h> 74 #include <stdlib.h> 75 #include <string.h> 76 #include <unistd.h> 77 #include <ifaddrs.h> 78 79 static int is_llinfo(const struct sockaddr_dl *, int); 80 static int delete(const char *, const char *); 81 static void dump(uint32_t); 82 static void delete_all(void); 83 static void sdl_print(const struct sockaddr_dl *); 84 static int getifname(u_int16_t, char *, size_t); 85 static int atosdl(const char *s, struct sockaddr_dl *sdl); 86 static int file(const char *); 87 static void get(const char *); 88 static int getinetaddr(const char *, struct in_addr *); 89 static void getsocket(void); 90 static int rtmsg(int); 91 static int set(int, char **); 92 static void usage(void) __dead; 93 94 static pid_t pid; 95 static int aflag, nflag, vflag; 96 static int s = -1; 97 static struct ifaddrs* ifaddrs = NULL; 98 static struct sockaddr_in so_mask = { 99 .sin_len = 8, 100 .sin_addr = { 101 .s_addr = 0xffffffff 102 } 103 }; 104 static struct sockaddr_inarp blank_sin = { 105 .sin_len = sizeof(blank_sin), 106 .sin_family = AF_INET 107 }; 108 static struct sockaddr_inarp sin_m; 109 static struct sockaddr_dl blank_sdl = { 110 .sdl_len = sizeof(blank_sdl), 111 .sdl_family = AF_LINK 112 }; 113 static struct sockaddr_dl sdl_m; 114 115 static int expire_time, flags, export_only, doing_proxy, found_entry; 116 static struct { 117 struct rt_msghdr m_rtm; 118 char m_space[512]; 119 } m_rtmsg; 120 121 int 122 main(int argc, char **argv) 123 { 124 int ch; 125 int op = 0; 126 127 setprogname(argv[0]); 128 129 pid = getpid(); 130 131 while ((ch = getopt(argc, argv, "andsfv")) != -1) 132 switch((char)ch) { 133 case 'a': 134 aflag = 1; 135 break; 136 case 'd': 137 case 's': 138 case 'f': 139 if (op) 140 usage(); 141 op = ch; 142 break; 143 case 'n': 144 nflag = 1; 145 break; 146 case 'v': 147 vflag = 1; 148 break; 149 default: 150 usage(); 151 } 152 argc -= optind; 153 argv += optind; 154 155 if (!op && aflag) 156 op = 'a'; 157 158 switch((char)op) { 159 case 'a': 160 dump(0); 161 break; 162 case 'd': 163 if (aflag && argc == 0) 164 delete_all(); 165 else { 166 if (aflag || argc < 1 || argc > 2) 167 usage(); 168 (void)delete(argv[0], argv[1]); 169 } 170 break; 171 case 's': 172 if (argc < 2 || argc > 7) 173 usage(); 174 return (set(argc, argv) ? 1 : 0); 175 case 'f': 176 if (argc != 1) 177 usage(); 178 return (file(argv[0])); 179 default: 180 if (argc != 1) 181 usage(); 182 get(argv[0]); 183 break; 184 } 185 return (0); 186 } 187 188 /* 189 * Process a file to set standard arp entries 190 */ 191 static int 192 file(const char *name) 193 { 194 char *line, *argv[5]; 195 int i, retval; 196 FILE *fp; 197 198 if (!strcmp(name, "-")) { 199 fp = stdin; 200 } else { 201 fp = fopen(name, "r"); 202 if (fp == NULL) { 203 err(1, "Cannot open %s", name); 204 } 205 } 206 retval = 0; 207 for (; (line = fparseln(fp, NULL, NULL, NULL, 0)) != NULL; free(line)) { 208 char **ap, *inputstring; 209 210 inputstring = line; 211 for (ap = argv; ap < &argv[sizeof(argv) / sizeof(argv[0])] && 212 (*ap = stresep(&inputstring, " \t", '\\')) != NULL;) { 213 if (**ap != '\0') 214 ap++; 215 } 216 i = ap - argv; 217 if (i < 2) { 218 warnx("bad line: %s", line); 219 retval = 1; 220 continue; 221 } 222 if (set(i, argv)) 223 retval = 1; 224 } 225 if (fp != stdin) 226 (void)fclose(fp); 227 return retval; 228 } 229 230 static void 231 getsocket(void) 232 { 233 if (s >= 0) 234 return; 235 s = socket(PF_ROUTE, SOCK_RAW, 0); 236 if (s < 0) 237 err(1, "socket"); 238 } 239 240 static int 241 getlink(const char *name, struct sockaddr_dl *sdl) 242 { 243 struct ifaddrs *ifap, *ifa; 244 245 if (getifaddrs(&ifap) != 0) { 246 warn("getifaddrs"); 247 return 0; 248 } 249 250 for (ifa = ifap; ifa; ifa = ifa->ifa_next) { 251 if (ifa->ifa_addr->sa_family != AF_LINK) 252 continue; 253 if (strcmp(ifa->ifa_name, name) != 0) 254 continue; 255 memcpy(sdl, ifa->ifa_addr, sizeof(*sdl)); 256 freeifaddrs(ifap); 257 return 1; 258 } 259 freeifaddrs(ifap); 260 return 0; 261 } 262 263 /* 264 * Set an individual arp entry 265 */ 266 static int 267 set(int argc, char **argv) 268 { 269 struct sockaddr_inarp *sina; 270 struct sockaddr_dl *sdl; 271 struct rt_msghdr *rtm; 272 char *host = argv[0], *eaddr; 273 int rval; 274 275 sina = &sin_m; 276 rtm = &(m_rtmsg.m_rtm); 277 eaddr = argv[1]; 278 279 getsocket(); 280 argc -= 2; 281 argv += 2; 282 sdl_m = blank_sdl; /* struct copy */ 283 sin_m = blank_sin; /* struct copy */ 284 if (getinetaddr(host, &sina->sin_addr) == -1) 285 return (1); 286 if (atosdl(eaddr, &sdl_m)) 287 warnx("invalid link-level address '%s'", eaddr); 288 doing_proxy = flags = export_only = expire_time = 0; 289 for (; argc-- > 0; argv++) { 290 if (strncmp(argv[0], "temp", 4) == 0) { 291 struct timeval timev; 292 (void)gettimeofday(&timev, 0); 293 expire_time = timev.tv_sec + 20 * 60; 294 } 295 else if (strncmp(argv[0], "pub", 3) == 0) { 296 flags |= RTF_ANNOUNCE; 297 doing_proxy = SIN_PROXY; 298 if (argc && strncmp(argv[1], "pro", 3) == 0) { 299 export_only = 1; 300 argc--; argv++; 301 } 302 } else if (strncmp(argv[0], "trail", 5) == 0) { 303 warnx("%s: Sending trailers is no longer supported", 304 host); 305 } else if (strcmp(argv[0], "ifscope") == 0) { 306 if (argc == 0) { 307 warnx("missing interface for ifscope"); 308 continue; 309 } 310 argc--; 311 argv++; 312 if (!getlink(argv[0], &sdl_m)) 313 warnx("cannot get link address for %s", argv[0]); 314 } 315 316 } 317 if (memcmp(&sdl_m, &blank_sdl, sizeof(blank_sdl))) 318 goto out; 319 tryagain: 320 if (rtmsg(RTM_GET) < 0) { 321 warn("%s", host); 322 return (1); 323 } 324 sina = (struct sockaddr_inarp *)(void *)(rtm + 1); 325 sdl = (struct sockaddr_dl *)(void *)(RT_ROUNDUP(sina->sin_len) + 326 (char *)(void *)sina); 327 if (sina->sin_addr.s_addr == sin_m.sin_addr.s_addr) { 328 if (is_llinfo(sdl, rtm->rtm_flags)) 329 goto overwrite; 330 if (doing_proxy == 0) { 331 warnx("set: can only proxy for %s", host); 332 return (1); 333 } 334 if (sin_m.sin_other & SIN_PROXY) { 335 warnx("set: proxy entry exists for non 802 device"); 336 return (1); 337 } 338 sin_m.sin_other = SIN_PROXY; 339 export_only = 1; 340 goto tryagain; 341 } 342 overwrite: 343 if (sdl->sdl_family != AF_LINK) { 344 warnx("cannot intuit interface index and type for %s", 345 host); 346 return (1); 347 } 348 sdl_m.sdl_type = sdl->sdl_type; 349 sdl_m.sdl_index = sdl->sdl_index; 350 out: 351 rval = rtmsg(RTM_ADD); 352 if (vflag) 353 (void)printf("%s (%s) added\n", host, eaddr); 354 return (rval); 355 } 356 357 /* 358 * Display an individual arp entry 359 */ 360 static void 361 get(const char *host) 362 { 363 struct sockaddr_inarp *sina; 364 365 sina = &sin_m; 366 sin_m = blank_sin; /* struct copy */ 367 if (getinetaddr(host, &sina->sin_addr) == -1) 368 exit(1); 369 dump(sina->sin_addr.s_addr); 370 if (found_entry == 0) 371 errx(1, "%s (%s) -- no entry", host, inet_ntoa(sina->sin_addr)); 372 } 373 374 375 static int 376 is_llinfo(const struct sockaddr_dl *sdl, int rtflags) 377 { 378 if (sdl->sdl_family != AF_LINK || 379 (rtflags & (RTF_LLINFO|RTF_GATEWAY)) != RTF_LLINFO) 380 return 0; 381 382 switch (sdl->sdl_type) { 383 case IFT_ETHER: 384 case IFT_FDDI: 385 case IFT_ISO88023: 386 case IFT_ISO88024: 387 case IFT_ISO88025: 388 case IFT_ARCNET: 389 return 1; 390 default: 391 return 0; 392 } 393 } 394 395 /* 396 * Delete an arp entry 397 */ 398 int 399 delete(const char *host, const char *info) 400 { 401 struct sockaddr_inarp *sina; 402 struct rt_msghdr *rtm; 403 struct sockaddr_dl *sdl; 404 405 sina = &sin_m; 406 rtm = &m_rtmsg.m_rtm; 407 408 getsocket(); 409 sin_m = blank_sin; /* struct copy */ 410 if (info && strncmp(info, "pro", 3) == 0) 411 sina->sin_other = SIN_PROXY; 412 if (getinetaddr(host, &sina->sin_addr) == -1) 413 return (1); 414 tryagain: 415 if (rtmsg(RTM_GET) < 0) { 416 warn("%s", host); 417 return (1); 418 } 419 sina = (struct sockaddr_inarp *)(void *)(rtm + 1); 420 sdl = (struct sockaddr_dl *)(void *)(RT_ROUNDUP(sina->sin_len) + 421 (char *)(void *)sina); 422 if (sina->sin_addr.s_addr == sin_m.sin_addr.s_addr && 423 is_llinfo(sdl, rtm->rtm_flags)) 424 goto delete; 425 if (sin_m.sin_other & SIN_PROXY) { 426 warnx("delete: can't locate %s", host); 427 return (1); 428 } else { 429 sin_m.sin_other = SIN_PROXY; 430 goto tryagain; 431 } 432 delete: 433 if (sdl->sdl_family != AF_LINK) { 434 (void)warnx("cannot locate %s", host); 435 return (1); 436 } 437 if (rtmsg(RTM_DELETE)) 438 return (1); 439 if (vflag) 440 (void)printf("%s (%s) deleted\n", host, 441 inet_ntoa(sina->sin_addr)); 442 return (0); 443 } 444 445 /* 446 * Dump the entire arp table 447 */ 448 void 449 dump(uint32_t addr) 450 { 451 int mib[6]; 452 size_t needed; 453 char ifname[IFNAMSIZ]; 454 char *lim, *buf, *next; 455 const char *host; 456 struct rt_msghdr *rtm; 457 struct sockaddr_inarp *sina; 458 struct sockaddr_dl *sdl; 459 struct hostent *hp; 460 461 mib[0] = CTL_NET; 462 mib[1] = PF_ROUTE; 463 mib[2] = 0; 464 mib[3] = AF_INET; 465 mib[4] = NET_RT_FLAGS; 466 mib[5] = RTF_LLINFO; 467 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) 468 err(1, "route-sysctl-estimate"); 469 if (needed == 0) 470 return; 471 if ((buf = malloc(needed)) == NULL) 472 err(1, "malloc"); 473 if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) 474 err(1, "actual retrieval of routing table"); 475 lim = buf + needed; 476 for (next = buf; next < lim; next += rtm->rtm_msglen) { 477 rtm = (struct rt_msghdr *)(void *)next; 478 sina = (struct sockaddr_inarp *)(void *)(rtm + 1); 479 sdl = (struct sockaddr_dl *)(void *) 480 (RT_ROUNDUP(sina->sin_len) + (char *)(void *)sina); 481 if (addr) { 482 if (addr != sina->sin_addr.s_addr) 483 continue; 484 found_entry = 1; 485 } 486 if (nflag == 0) 487 hp = gethostbyaddr((const char *)(void *) 488 &(sina->sin_addr), 489 sizeof sina->sin_addr, AF_INET); 490 else 491 hp = NULL; 492 493 host = hp ? hp->h_name : "?"; 494 495 (void)printf("%s (%s) at ", host, inet_ntoa(sina->sin_addr)); 496 if (sdl->sdl_alen) 497 sdl_print(sdl); 498 else 499 (void)printf("(incomplete)"); 500 501 if (sdl->sdl_index) { 502 if (getifname(sdl->sdl_index, ifname, sizeof(ifname)) == 0) 503 (void)printf(" on %s", ifname); 504 } 505 506 if (rtm->rtm_rmx.rmx_expire == 0) 507 (void)printf(" permanent"); 508 if (sina->sin_other & SIN_PROXY) 509 (void)printf(" published (proxy only)"); 510 if (rtm->rtm_addrs & RTA_NETMASK) { 511 sina = (struct sockaddr_inarp *)(void *) 512 (RT_ROUNDUP(sdl->sdl_len) + (char *)(void *)sdl); 513 if (sina->sin_addr.s_addr == 0xffffffff) 514 (void)printf(" published"); 515 if (sina->sin_len != 8) 516 (void)printf("(weird)"); 517 } 518 (void)printf("\n"); 519 } 520 free(buf); 521 } 522 523 /* 524 * Delete the entire arp table 525 */ 526 void 527 delete_all(void) 528 { 529 int mib[6]; 530 size_t needed; 531 char addr[sizeof("000.000.000.000\0")]; 532 char *lim, *buf, *next; 533 struct rt_msghdr *rtm; 534 struct sockaddr_inarp *sina; 535 536 mib[0] = CTL_NET; 537 mib[1] = PF_ROUTE; 538 mib[2] = 0; 539 mib[3] = AF_INET; 540 mib[4] = NET_RT_FLAGS; 541 mib[5] = RTF_LLINFO; 542 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) 543 err(1, "route-sysctl-estimate"); 544 if (needed == 0) 545 return; 546 if ((buf = malloc(needed)) == NULL) 547 err(1, "malloc"); 548 if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) 549 err(1, "actual retrieval of routing table"); 550 lim = buf + needed; 551 for (next = buf; next < lim; next += rtm->rtm_msglen) { 552 rtm = (struct rt_msghdr *)(void *)next; 553 sina = (struct sockaddr_inarp *)(void *)(rtm + 1); 554 (void)snprintf(addr, sizeof(addr), "%s", 555 inet_ntoa(sina->sin_addr)); 556 (void)delete(addr, NULL); 557 } 558 free(buf); 559 } 560 561 void 562 sdl_print(const struct sockaddr_dl *sdl) 563 { 564 char hbuf[NI_MAXHOST]; 565 566 if (getnameinfo((const struct sockaddr *)(const void *)sdl, 567 (socklen_t)sdl->sdl_len, 568 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) != 0) 569 (void)printf("<invalid>"); 570 else 571 (void)printf("%s", hbuf); 572 } 573 574 static int 575 atosdl(const char *ss, struct sockaddr_dl *sdl) 576 { 577 int i; 578 unsigned long b; 579 char *endp; 580 char *p; 581 char *t, *r; 582 583 p = LLADDR(sdl); 584 endp = ((char *)(void *)sdl) + sdl->sdl_len; 585 i = 0; 586 587 b = strtoul(ss, &t, 16); 588 if (b > 255 || t == ss) 589 return 1; 590 591 *p++ = (char)b; 592 ++i; 593 while ((p < endp) && (*t++ == ':')) { 594 b = strtoul(t, &r, 16); 595 if (b > 255 || r == t) 596 break; 597 *p++ = (char)b; 598 ++i; 599 t = r; 600 } 601 sdl->sdl_alen = i; 602 603 return 0; 604 } 605 606 static void 607 usage(void) 608 { 609 const char *progname; 610 611 progname = getprogname(); 612 (void)fprintf(stderr, "Usage: %s [-n] hostname\n", progname); 613 (void)fprintf(stderr, " %s [-nv] -a\n", progname); 614 (void)fprintf(stderr, " %s [-v] -d [-a|hostname [pub [proxy]]]\n", 615 progname); 616 (void)fprintf(stderr, " %s -s hostname ether_addr [temp] [pub [proxy]]\n", 617 progname); 618 (void)fprintf(stderr, " %s -f filename\n", progname); 619 exit(1); 620 } 621 622 static int 623 rtmsg(int cmd) 624 { 625 static int seq; 626 struct rt_msghdr *rtm; 627 char *cp; 628 int l; 629 630 rtm = &m_rtmsg.m_rtm; 631 cp = m_rtmsg.m_space; 632 errno = 0; 633 634 if (cmd == RTM_DELETE) 635 goto doit; 636 (void)memset(&m_rtmsg, 0, sizeof(m_rtmsg)); 637 rtm->rtm_flags = flags; 638 rtm->rtm_version = RTM_VERSION; 639 640 switch (cmd) { 641 default: 642 errx(1, "internal wrong cmd"); 643 /*NOTREACHED*/ 644 case RTM_ADD: 645 rtm->rtm_addrs |= RTA_GATEWAY; 646 rtm->rtm_rmx.rmx_expire = expire_time; 647 rtm->rtm_inits = RTV_EXPIRE; 648 rtm->rtm_flags |= (RTF_HOST | RTF_STATIC); 649 sin_m.sin_other = 0; 650 if (doing_proxy) { 651 if (export_only) 652 sin_m.sin_other = SIN_PROXY; 653 else { 654 rtm->rtm_addrs |= RTA_NETMASK; 655 rtm->rtm_flags &= ~RTF_HOST; 656 } 657 } 658 /* FALLTHROUGH */ 659 case RTM_GET: 660 rtm->rtm_addrs |= RTA_DST; 661 } 662 663 #define NEXTADDR(w, s) \ 664 if (rtm->rtm_addrs & (w)) { \ 665 (void)memcpy(cp, &s, \ 666 (size_t)((struct sockaddr *)(void *)&s)->sa_len); \ 667 RT_ADVANCE(cp, ((struct sockaddr *)(void *)&s)); \ 668 } 669 670 NEXTADDR(RTA_DST, sin_m); 671 NEXTADDR(RTA_GATEWAY, sdl_m); 672 NEXTADDR(RTA_NETMASK, so_mask); 673 674 rtm->rtm_msglen = cp - (char *)(void *)&m_rtmsg; 675 doit: 676 l = rtm->rtm_msglen; 677 rtm->rtm_seq = ++seq; 678 rtm->rtm_type = cmd; 679 if (write(s, &m_rtmsg, (size_t)l) < 0) { 680 if (errno != ESRCH || cmd != RTM_DELETE) { 681 warn("writing to routing socket"); 682 return (-1); 683 } 684 } 685 do { 686 l = read(s, &m_rtmsg, sizeof(m_rtmsg)); 687 } while (l > 0 && (rtm->rtm_seq != seq || rtm->rtm_pid != pid)); 688 if (l < 0) 689 warn("read from routing socket"); 690 return (0); 691 } 692 693 static int 694 getinetaddr(const char *host, struct in_addr *inap) 695 { 696 struct hostent *hp; 697 698 if (inet_aton(host, inap) == 1) 699 return (0); 700 if ((hp = gethostbyname(host)) == NULL) { 701 warnx("%s: %s", host, hstrerror(h_errno)); 702 return (-1); 703 } 704 (void)memcpy(inap, hp->h_addr, sizeof(*inap)); 705 return (0); 706 } 707 708 static int 709 getifname(u_int16_t ifindex, char *ifname, size_t l) 710 { 711 int i; 712 struct ifaddrs *addr; 713 const struct sockaddr_dl *sdl = NULL; 714 715 if (ifaddrs == NULL) { 716 i = getifaddrs(&ifaddrs); 717 if (i != 0) 718 err(1, "getifaddrs"); 719 } 720 721 for (addr = ifaddrs; addr; addr = addr->ifa_next) { 722 if (addr->ifa_addr == NULL || 723 addr->ifa_addr->sa_family != AF_LINK) 724 continue; 725 726 sdl = (const struct sockaddr_dl *)(void *)addr->ifa_addr; 727 if (sdl && sdl->sdl_index == ifindex) { 728 (void) strlcpy(ifname, addr->ifa_name, l); 729 return 0; 730 } 731 } 732 733 return -1; 734 } 735
Indexes created Tue Sep 30 20:09:53 GMT 2025