1 /* 2 * Copyright (c) 1983, 1988, 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 #if 0 36 static char sccsid[] = "From: @(#)route.c 8.6 (Berkeley) 4/28/95"; 37 #endif 38 static const char rcsid[] = 39 "$Id$"; 40 #endif /* not lint */ 41 42 #include <sys/param.h> 43 #include <sys/protosw.h> 44 #include <sys/socket.h> 45 #include <sys/time.h> 46 47 #include <net/if.h> 48 #include <net/if_var.h> 49 #include <net/if_dl.h> 50 #include <net/if_types.h> 51 #include <net/route.h> 52 53 #include <netinet/in.h> 54 #include <netipx/ipx.h> 55 #include <netatalk/at.h> 56 57 #ifdef NS 58 #include <netns/ns.h> 59 #endif 60 61 #include <sys/sysctl.h> 62 63 #include <netdb.h> 64 #include <stdio.h> 65 #include <stdlib.h> 66 #include <string.h> 67 #include <unistd.h> 68 #include <err.h> 69 #include <time.h> 70 #include "netstat.h" 71 72 #define kget(p, d) (kread((u_long)(p), (char *)&(d), sizeof (d))) 73 74 /* 75 * Definitions for showing gateway flags. 76 */ 77 struct bits { 78 u_long b_mask; 79 char b_val; 80 } bits[] = { 81 { RTF_UP, 'U' }, 82 { RTF_GATEWAY, 'G' }, 83 { RTF_HOST, 'H' }, 84 { RTF_REJECT, 'R' }, 85 { RTF_DYNAMIC, 'D' }, 86 { RTF_MODIFIED, 'M' }, 87 { RTF_DONE, 'd' }, /* Completed -- for routing messages only */ 88 { RTF_CLONING, 'C' }, 89 { RTF_XRESOLVE, 'X' }, 90 { RTF_LLINFO, 'L' }, 91 { RTF_STATIC, 'S' }, 92 { RTF_PROTO1, '1' }, 93 { RTF_PROTO2, '2' }, 94 { RTF_WASCLONED,'W' }, 95 { RTF_PRCLONING,'c' }, 96 { RTF_PROTO3, '3' }, 97 { RTF_BLACKHOLE,'B' }, 98 { RTF_BROADCAST,'b' }, 99 { 0 } 100 }; 101 102 static union { 103 struct sockaddr u_sa; 104 u_short u_data[128]; 105 } pt_u; 106 107 int do_rtent = 0; 108 struct rtentry rtentry; 109 struct radix_node rnode; 110 struct radix_mask rmask; 111 struct radix_node_head *rt_tables[AF_MAX+1]; 112 113 int NewTree = 0; 114 115 static struct sockaddr *kgetsa __P((struct sockaddr *)); 116 static void p_tree __P((struct radix_node *)); 117 static void p_rtnode __P(()); 118 static void ntreestuff __P(()); 119 static void np_rtentry __P((struct rt_msghdr *)); 120 static void p_sockaddr __P((struct sockaddr *, struct sockaddr *, int, int)); 121 static void p_flags __P((int, char *)); 122 static void p_rtentry __P((struct rtentry *)); 123 124 /* 125 * Print routing tables. 126 */ 127 void 128 routepr(rtree) 129 u_long rtree; 130 { 131 struct radix_node_head *rnh, head; 132 int i; 133 134 printf("Routing tables\n"); 135 136 if (Aflag == 0 && NewTree) 137 ntreestuff(); 138 else { 139 if (rtree == 0) { 140 printf("rt_tables: symbol not in namelist\n"); 141 return; 142 } 143 144 kget(rtree, rt_tables); 145 for (i = 0; i <= AF_MAX; i++) { 146 if ((rnh = rt_tables[i]) == 0) 147 continue; 148 kget(rnh, head); 149 if (i == AF_UNSPEC) { 150 if (Aflag && af == 0) { 151 printf("Netmasks:\n"); 152 p_tree(head.rnh_treetop); 153 } 154 } else if (af == AF_UNSPEC || af == i) { 155 pr_family(i); 156 do_rtent = 1; 157 pr_rthdr(); 158 p_tree(head.rnh_treetop); 159 } 160 } 161 } 162 } 163 164 /* 165 * Print address family header before a section of the routing table. 166 */ 167 void 168 pr_family(af) 169 int af; 170 { 171 char *afname; 172 173 switch (af) { 174 case AF_INET: 175 afname = "Internet"; 176 break; 177 case AF_IPX: 178 afname = "IPX"; 179 break; 180 #ifdef NS 181 case AF_NS: 182 afname = "XNS"; 183 break; 184 #endif 185 case AF_ISO: 186 afname = "ISO"; 187 break; 188 case AF_APPLETALK: 189 afname = "AppleTalk"; 190 break; 191 case AF_CCITT: 192 afname = "X.25"; 193 break; 194 default: 195 afname = NULL; 196 break; 197 } 198 if (afname) 199 printf("\n%s:\n", afname); 200 else 201 printf("\nProtocol Family %d:\n", af); 202 } 203 204 /* column widths; each followed by one space */ 205 #define WID_DST 18 /* width of destination column */ 206 #define WID_GW 18 /* width of gateway column */ 207 208 /* 209 * Print header for routing table columns. 210 */ 211 void 212 pr_rthdr() 213 { 214 if (Aflag) 215 printf("%-8.8s ","Address"); 216 printf("%-*.*s %-*.*s %-6.6s %6.6s%8.8s %8.8s %6s\n", 217 WID_DST, WID_DST, "Destination", 218 WID_GW, WID_GW, "Gateway", 219 "Flags", "Refs", "Use", "Netif", "Expire"); 220 } 221 222 static struct sockaddr * 223 kgetsa(dst) 224 register struct sockaddr *dst; 225 { 226 227 kget(dst, pt_u.u_sa); 228 if (pt_u.u_sa.sa_len > sizeof (pt_u.u_sa)) 229 kread((u_long)dst, (char *)pt_u.u_data, pt_u.u_sa.sa_len); 230 return (&pt_u.u_sa); 231 } 232 233 static void 234 p_tree(rn) 235 struct radix_node *rn; 236 { 237 238 again: 239 kget(rn, rnode); 240 if (rnode.rn_b < 0) { 241 if (Aflag) 242 printf("%-8.8x ", (int)rn); 243 if (rnode.rn_flags & RNF_ROOT) { 244 if (Aflag) 245 printf("(root node)%s", 246 rnode.rn_dupedkey ? " =>\n" : "\n"); 247 } else if (do_rtent) { 248 kget(rn, rtentry); 249 p_rtentry(&rtentry); 250 if (Aflag) 251 p_rtnode(); 252 } else { 253 p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_key), 254 NULL, 0, 44); 255 putchar('\n'); 256 } 257 if ((rn = rnode.rn_dupedkey)) 258 goto again; 259 } else { 260 if (Aflag && do_rtent) { 261 printf("%-8.8x ", (int)rn); 262 p_rtnode(); 263 } 264 rn = rnode.rn_r; 265 p_tree(rnode.rn_l); 266 p_tree(rn); 267 } 268 } 269 270 char nbuf[20]; 271 272 static void 273 p_rtnode() 274 { 275 struct radix_mask *rm = rnode.rn_mklist; 276 277 if (rnode.rn_b < 0) { 278 if (rnode.rn_mask) { 279 printf("\t mask "); 280 p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_mask), 281 NULL, 0, -1); 282 } else if (rm == 0) 283 return; 284 } else { 285 sprintf(nbuf, "(%d)", rnode.rn_b); 286 printf("%6.6s %8.8x : %8.8x", nbuf, (int)rnode.rn_l, (int)rnode.rn_r); 287 } 288 while (rm) { 289 kget(rm, rmask); 290 sprintf(nbuf, " %d refs, ", rmask.rm_refs); 291 printf(" mk = %8.8x {(%d),%s", 292 (int)rm, -1 - rmask.rm_b, rmask.rm_refs ? nbuf : " "); 293 if (rmask.rm_flags & RNF_NORMAL) { 294 struct radix_node rnode_aux; 295 printf(" <normal>, "); 296 kget(rmask.rm_leaf, rnode_aux); 297 p_sockaddr(kgetsa((struct sockaddr *)rnode_aux.rn_mask), 298 NULL, 0, -1); 299 } else 300 p_sockaddr(kgetsa((struct sockaddr *)rmask.rm_mask), 301 NULL, 0, -1); 302 putchar('}'); 303 if ((rm = rmask.rm_mklist)) 304 printf(" ->"); 305 } 306 putchar('\n'); 307 } 308 309 static void 310 ntreestuff() 311 { 312 size_t needed; 313 int mib[6]; 314 char *buf, *next, *lim; 315 register struct rt_msghdr *rtm; 316 317 mib[0] = CTL_NET; 318 mib[1] = PF_ROUTE; 319 mib[2] = 0; 320 mib[3] = 0; 321 mib[4] = NET_RT_DUMP; 322 mib[5] = 0; 323 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) { 324 err(1, "sysctl: net.route.0.0.dump estimate"); 325 } 326 327 if ((buf = malloc(needed)) == 0) { 328 err(2, "malloc(%lu)", (unsigned long)needed); 329 } 330 if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) { 331 err(1, "sysctl: net.route.0.0.dump"); 332 } 333 lim = buf + needed; 334 for (next = buf; next < lim; next += rtm->rtm_msglen) { 335 rtm = (struct rt_msghdr *)next; 336 np_rtentry(rtm); 337 } 338 } 339 340 static void 341 np_rtentry(rtm) 342 register struct rt_msghdr *rtm; 343 { 344 register struct sockaddr *sa = (struct sockaddr *)(rtm + 1); 345 #ifdef notdef 346 static int masks_done, banner_printed; 347 #endif 348 static int old_af; 349 int af = 0, interesting = RTF_UP | RTF_GATEWAY | RTF_HOST; 350 351 #ifdef notdef 352 /* for the moment, netmasks are skipped over */ 353 if (!banner_printed) { 354 printf("Netmasks:\n"); 355 banner_printed = 1; 356 } 357 if (masks_done == 0) { 358 if (rtm->rtm_addrs != RTA_DST ) { 359 masks_done = 1; 360 af = sa->sa_family; 361 } 362 } else 363 #endif 364 af = sa->sa_family; 365 if (af != old_af) { 366 pr_family(af); 367 old_af = af; 368 } 369 if (rtm->rtm_addrs == RTA_DST) 370 p_sockaddr(sa, NULL, 0, 36); 371 else { 372 p_sockaddr(sa, NULL, rtm->rtm_flags, 16); 373 if (sa->sa_len == 0) 374 sa->sa_len = sizeof(long); 375 sa = (struct sockaddr *)(sa->sa_len + (char *)sa); 376 p_sockaddr(sa, NULL, 0, 18); 377 } 378 p_flags(rtm->rtm_flags & interesting, "%-6.6s "); 379 putchar('\n'); 380 } 381 382 static void 383 p_sockaddr(sa, mask, flags, width) 384 struct sockaddr *sa, *mask; 385 int flags, width; 386 { 387 char workbuf[128], *cplim; 388 register char *cp = workbuf; 389 390 switch(sa->sa_family) { 391 case AF_INET: 392 { 393 register struct sockaddr_in *sin = (struct sockaddr_in *)sa; 394 395 if (sin->sin_addr.s_addr == INADDR_ANY) 396 cp = "default"; 397 else if (flags & RTF_HOST) 398 cp = routename(sin->sin_addr.s_addr); 399 else if (mask) 400 cp = netname(sin->sin_addr.s_addr, 401 ntohl(((struct sockaddr_in *)mask) 402 ->sin_addr.s_addr)); 403 else 404 cp = netname(sin->sin_addr.s_addr, 0L); 405 break; 406 } 407 408 case AF_IPX: 409 { 410 struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr; 411 if (ipx_nullnet(satoipx_addr(work))) 412 cp = "default"; 413 else 414 cp = ipx_print(sa); 415 break; 416 } 417 case AF_APPLETALK: 418 { 419 if (!(flags & RTF_HOST) && mask) 420 cp = atalk_print2(sa,mask,9); 421 else 422 cp = atalk_print(sa,11); 423 break; 424 } 425 #ifdef NS 426 case AF_NS: 427 cp = ns_print(sa); 428 break; 429 #endif 430 431 case AF_LINK: 432 { 433 register struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa; 434 435 if (sdl->sdl_nlen == 0 && sdl->sdl_alen == 0 && 436 sdl->sdl_slen == 0) 437 (void) sprintf(workbuf, "link#%d", sdl->sdl_index); 438 else switch (sdl->sdl_type) { 439 case IFT_ETHER: 440 { 441 register int i; 442 register u_char *lla = (u_char *)sdl->sdl_data + 443 sdl->sdl_nlen; 444 445 cplim = ""; 446 for (i = 0; i < sdl->sdl_alen; i++, lla++) { 447 cp += sprintf(cp, "%s%x", cplim, *lla); 448 cplim = ":"; 449 } 450 cp = workbuf; 451 break; 452 } 453 default: 454 cp = link_ntoa(sdl); 455 break; 456 } 457 break; 458 } 459 460 default: 461 { 462 register u_char *s = (u_char *)sa->sa_data, *slim; 463 464 slim = sa->sa_len + (u_char *) sa; 465 cplim = cp + sizeof(workbuf) - 6; 466 cp += sprintf(cp, "(%d)", sa->sa_family); 467 while (s < slim && cp < cplim) { 468 cp += sprintf(cp, " %02x", *s++); 469 if (s < slim) 470 cp += sprintf(cp, "%02x", *s++); 471 } 472 cp = workbuf; 473 } 474 } 475 if (width < 0 ) 476 printf("%s ", cp); 477 else { 478 if (nflag) 479 printf("%-*s ", width, cp); 480 else 481 printf("%-*.*s ", width, width, cp); 482 } 483 } 484 485 static void 486 p_flags(f, format) 487 register int f; 488 char *format; 489 { 490 char name[33], *flags; 491 register struct bits *p = bits; 492 493 for (flags = name; p->b_mask; p++) 494 if (p->b_mask & f) 495 *flags++ = p->b_val; 496 *flags = '\0'; 497 printf(format, name); 498 } 499 500 static void 501 p_rtentry(rt) 502 register struct rtentry *rt; 503 { 504 static struct ifnet ifnet, *lastif; 505 static char name[16]; 506 static char prettyname[9]; 507 struct sockaddr *sa; 508 struct sockaddr addr, mask; 509 510 /* 511 * Don't print protocol-cloned routes unless -a. 512 */ 513 if(rt->rt_parent && !aflag) 514 return; 515 516 if (!(sa = kgetsa(rt_key(rt)))) 517 bzero(&addr, sizeof addr); 518 else 519 addr = *sa; 520 if (!rt_mask(rt) || !(sa = kgetsa(rt_mask(rt)))) 521 bzero(&mask, sizeof mask); 522 else 523 mask = *sa; 524 p_sockaddr(&addr, &mask, rt->rt_flags, WID_DST); 525 p_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST, WID_GW); 526 p_flags(rt->rt_flags, "%-6.6s "); 527 printf("%6d %8ld ", rt->rt_refcnt, rt->rt_use); 528 if (rt->rt_ifp) { 529 if (rt->rt_ifp != lastif) { 530 kget(rt->rt_ifp, ifnet); 531 kread((u_long)ifnet.if_name, name, 16); 532 lastif = rt->rt_ifp; 533 snprintf(prettyname, sizeof prettyname, 534 "%.6s%d", name, ifnet.if_unit); 535 } 536 if(rt->rt_rmx.rmx_expire) { 537 time_t expire_time; 538 539 if ((expire_time 540 =rt->rt_rmx.rmx_expire - time((time_t *)0)) > 0) 541 printf(" %8.8s %6d%s", prettyname, 542 (int)expire_time, 543 rt->rt_nodes[0].rn_dupedkey ? " =>" : ""); 544 } else { 545 printf(" %8.8s%s", prettyname, 546 rt->rt_nodes[0].rn_dupedkey ? " =>" : ""); 547 } 548 549 } 550 putchar('\n'); 551 } 552 553 char * 554 routename(in) 555 u_long in; 556 { 557 register char *cp; 558 static char line[MAXHOSTNAMELEN + 1]; 559 struct hostent *hp; 560 561 cp = 0; 562 if (!nflag) { 563 hp = gethostbyaddr((char *)&in, sizeof (struct in_addr), 564 AF_INET); 565 if (hp) { 566 cp = hp->h_name; 567 trimdomain(cp); 568 } 569 } 570 if (cp) 571 strncpy(line, cp, sizeof(line) - 1); 572 else { 573 #define C(x) ((x) & 0xff) 574 in = ntohl(in); 575 sprintf(line, "%lu.%lu.%lu.%lu", 576 C(in >> 24), C(in >> 16), C(in >> 8), C(in)); 577 } 578 return (line); 579 } 580 581 static u_long 582 forgemask(a) 583 u_long a; 584 { 585 u_long m; 586 587 if (IN_CLASSA(a)) 588 m = IN_CLASSA_NET; 589 else if (IN_CLASSB(a)) 590 m = IN_CLASSB_NET; 591 else 592 m = IN_CLASSC_NET; 593 return (m); 594 } 595 596 static void 597 domask(dst, addr, mask) 598 char *dst; 599 u_long addr, mask; 600 { 601 register int b, i; 602 603 if (!mask || (forgemask(addr) == mask)) { 604 *dst = '\0'; 605 return; 606 } 607 i = 0; 608 for (b = 0; b < 32; b++) 609 if (mask & (1 << b)) { 610 register int bb; 611 612 i = b; 613 for (bb = b+1; bb < 32; bb++) 614 if (!(mask & (1 << bb))) { 615 i = -1; /* noncontig */ 616 break; 617 } 618 break; 619 } 620 if (i == -1) 621 sprintf(dst, "&0x%lx", mask); 622 else 623 sprintf(dst, "/%d", 32-i); 624 } 625 626 /* 627 * Return the name of the network whose address is given. 628 * The address is assumed to be that of a net or subnet, not a host. 629 */ 630 char * 631 netname(in, mask) 632 u_long in, mask; 633 { 634 char *cp = 0; 635 static char line[MAXHOSTNAMELEN + 1]; 636 struct netent *np = 0; 637 u_long net, omask; 638 register u_long i; 639 int subnetshift; 640 641 i = ntohl(in); 642 omask = mask; 643 if (!nflag && i) { 644 if (mask == 0) { 645 switch (mask = forgemask(i)) { 646 case IN_CLASSA_NET: 647 subnetshift = 8; 648 break; 649 case IN_CLASSB_NET: 650 subnetshift = 8; 651 break; 652 case IN_CLASSC_NET: 653 subnetshift = 4; 654 break; 655 default: 656 abort(); 657 } 658 /* 659 * If there are more bits than the standard mask 660 * would suggest, subnets must be in use. 661 * Guess at the subnet mask, assuming reasonable 662 * width subnet fields. 663 */ 664 while (i &~ mask) 665 mask = (long)mask >> subnetshift; 666 } 667 net = i & mask; 668 while ((mask & 1) == 0) 669 mask >>= 1, net >>= 1; 670 if (!(np = getnetbyaddr(i, AF_INET))) 671 np = getnetbyaddr(net, AF_INET); 672 if (np) { 673 cp = np->n_name; 674 trimdomain(cp); 675 } 676 } 677 if (cp) 678 strncpy(line, cp, sizeof(line) - 1); 679 else if ((i & 0xffffff) == 0) 680 sprintf(line, "%lu", C(i >> 24)); 681 else if ((i & 0xffff) == 0) 682 sprintf(line, "%lu.%lu", C(i >> 24) , C(i >> 16)); 683 else if ((i & 0xff) == 0) 684 sprintf(line, "%lu.%lu.%lu", C(i >> 24), C(i >> 16), C(i >> 8)); 685 else 686 sprintf(line, "%lu.%lu.%lu.%lu", C(i >> 24), 687 C(i >> 16), C(i >> 8), C(i)); 688 domask(line+strlen(line), i, omask); 689 return (line); 690 } 691 692 /* 693 * Print routing statistics 694 */ 695 void 696 rt_stats(off) 697 u_long off; 698 { 699 struct rtstat rtstat; 700 701 if (off == 0) { 702 printf("rtstat: symbol not in namelist\n"); 703 return; 704 } 705 kread(off, (char *)&rtstat, sizeof (rtstat)); 706 printf("routing:\n"); 707 printf("\t%u bad routing redirect%s\n", 708 rtstat.rts_badredirect, plural(rtstat.rts_badredirect)); 709 printf("\t%u dynamically created route%s\n", 710 rtstat.rts_dynamic, plural(rtstat.rts_dynamic)); 711 printf("\t%u new gateway%s due to redirects\n", 712 rtstat.rts_newgateway, plural(rtstat.rts_newgateway)); 713 printf("\t%u destination%s found unreachable\n", 714 rtstat.rts_unreach, plural(rtstat.rts_unreach)); 715 printf("\t%u use%s of a wildcard route\n", 716 rtstat.rts_wildcard, plural(rtstat.rts_wildcard)); 717 } 718 719 char * 720 ipx_print(sa) 721 register struct sockaddr *sa; 722 { 723 u_short port; 724 struct netent *np = 0; 725 struct hostent *hp = 0; 726 struct servent *sp = 0; 727 char *net = "", *host = ""; 728 register char *p; register u_char *q; 729 struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr; 730 static char mybuf[50]; 731 char cport[10], chost[15], cnet[15]; 732 733 if(!nflag) 734 sp = getservbyport(work.x_port, "ipx"); 735 port = ntohs(work.x_port); 736 737 if (ipx_nullnet(work) && ipx_nullhost(work)) { 738 739 if (port) { 740 if (sp) sprintf(mybuf, "*.%s", sp->s_name); 741 else sprintf(mybuf, "*.%x", port); 742 } else 743 sprintf(mybuf, "*.*"); 744 745 return (mybuf); 746 } 747 748 if (!nflag && (np = getnetbyaddr(*(u_long *)&work.x_net, AF_IPX))) 749 net = np->n_name; 750 else if (ipx_wildnet(work)) 751 net = "any"; 752 else if (ipx_nullnet(work)) 753 net = "*"; 754 else { 755 q = work.x_net.c_net; 756 sprintf(cnet, "%02x%02x%02x%02x", 757 q[0], q[1], q[2], q[3]); 758 for (p = cnet; *p == '0' && p < cnet + 8; p++) 759 continue; 760 net = p; 761 } 762 763 if (!nflag && (hp = gethostbyaddr((char *)&work.x_host, 6, AF_IPX))) 764 host = hp->h_name; 765 else if (ipx_wildhost(work)) 766 host = "any"; 767 else if (ipx_nullhost(work)) 768 host = "*"; 769 else { 770 q = work.x_host.c_host; 771 sprintf(chost, "%02x%02x%02x%02x%02x%02x", 772 q[0], q[1], q[2], q[3], q[4], q[5]); 773 for (p = chost; *p == '0' && p < chost + 12; p++) 774 continue; 775 host = p; 776 } 777 778 if (port) { 779 if (strcmp(host, "*") == 0) host = ""; 780 if (sp) sprintf(cport, "%s%s", *host ? "." : "", sp->s_name); 781 else sprintf(cport, "%s%x", *host ? "." : "", port); 782 } else 783 *cport = 0; 784 785 sprintf(mybuf,"%s.%s%s", net, host, cport); 786 return(mybuf); 787 } 788 789 char * 790 ipx_phost(sa) 791 struct sockaddr *sa; 792 { 793 register struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)sa; 794 struct sockaddr_ipx work; 795 static union ipx_net ipx_zeronet; 796 char *p; 797 struct ipx_addr in; 798 struct hostent *hp; 799 800 work = *sipx; 801 in = work.sipx_addr; 802 803 hp = gethostbyaddr((char *)&in, sizeof(struct ipx_addr), AF_IPX); 804 if (hp) return (hp->h_name); 805 806 work.sipx_addr.x_port = 0; 807 work.sipx_addr.x_net = ipx_zeronet; 808 p = ipx_print((struct sockaddr *)&work); 809 if (strncmp("*.", p, 2) == 0) p += 2; 810 811 return(p); 812 } 813 814 #ifdef NS 815 short ns_nullh[] = {0,0,0}; 816 short ns_bh[] = {-1,-1,-1}; 817 818 char * 819 ns_print(sa) 820 register struct sockaddr *sa; 821 { 822 register struct sockaddr_ns *sns = (struct sockaddr_ns*)sa; 823 struct ns_addr work; 824 union { union ns_net net_e; u_long long_e; } net; 825 u_short port; 826 static char mybuf[50], cport[10], chost[25]; 827 char *host = ""; 828 register char *p; register u_char *q; 829 830 work = sns->sns_addr; 831 port = ntohs(work.x_port); 832 work.x_port = 0; 833 net.net_e = work.x_net; 834 if (ns_nullhost(work) && net.long_e == 0) { 835 if (port ) { 836 sprintf(mybuf, "*.%xH", port); 837 upHex(mybuf); 838 } else 839 sprintf(mybuf, "*.*"); 840 return (mybuf); 841 } 842 843 if (bcmp(ns_bh, work.x_host.c_host, 6) == 0) { 844 host = "any"; 845 } else if (bcmp(ns_nullh, work.x_host.c_host, 6) == 0) { 846 host = "*"; 847 } else { 848 q = work.x_host.c_host; 849 sprintf(chost, "%02x%02x%02x%02x%02x%02xH", 850 q[0], q[1], q[2], q[3], q[4], q[5]); 851 for (p = chost; *p == '0' && p < chost + 12; p++) 852 continue; 853 host = p; 854 } 855 if (port) 856 sprintf(cport, ".%xH", htons(port)); 857 else 858 *cport = 0; 859 860 sprintf(mybuf,"%xH.%s%s", ntohl(net.long_e), host, cport); 861 upHex(mybuf); 862 return(mybuf); 863 } 864 865 char * 866 ns_phost(sa) 867 struct sockaddr *sa; 868 { 869 register struct sockaddr_ns *sns = (struct sockaddr_ns *)sa; 870 struct sockaddr_ns work; 871 static union ns_net ns_zeronet; 872 char *p; 873 874 work = *sns; 875 work.sns_addr.x_port = 0; 876 work.sns_addr.x_net = ns_zeronet; 877 878 p = ns_print((struct sockaddr *)&work); 879 if (strncmp("0H.", p, 3) == 0) p += 3; 880 return(p); 881 } 882 #endif 883 884 void 885 upHex(p0) 886 char *p0; 887 { 888 register char *p = p0; 889 for (; *p; p++) switch (*p) { 890 891 case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': 892 *p += ('A' - 'a'); 893 } 894 } 895