route.c revision 18836
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 36static char sccsid[] = "From: @(#)route.c 8.6 (Berkeley) 4/28/95"; 37#endif 38static const char rcsid[] = 39 "$Id: route.c,v 1.19 1996/09/05 23:34:09 julian Exp $"; 40#endif /* not lint */ 41 42#include <sys/param.h> 43#include <sys/protosw.h> 44#include <sys/socket.h> 45#include <sys/mbuf.h> 46 47#include <net/if.h> 48#include <net/if_dl.h> 49#include <net/if_types.h> 50#define KERNEL 51#include <net/route.h> 52#undef KERNEL 53 54#include <netinet/in.h> 55#include <netipx/ipx.h> 56#include <netatalk/at.h> 57 58#ifdef NS 59#include <netns/ns.h> 60#endif 61 62#include <sys/sysctl.h> 63 64#include <netdb.h> 65#include <stdio.h> 66#include <stdlib.h> 67#include <string.h> 68#include <unistd.h> 69#include <err.h> 70#include <time.h> 71#include "netstat.h" 72 73#define kget(p, d) (kread((u_long)(p), (char *)&(d), sizeof (d))) 74 75/* 76 * Definitions for showing gateway flags. 77 */ 78struct bits { 79 u_long b_mask; 80 char b_val; 81} bits[] = { 82 { RTF_UP, 'U' }, 83 { RTF_GATEWAY, 'G' }, 84 { RTF_HOST, 'H' }, 85 { RTF_REJECT, 'R' }, 86 { RTF_DYNAMIC, 'D' }, 87 { RTF_MODIFIED, 'M' }, 88 { RTF_DONE, 'd' }, /* Completed -- for routing messages only */ 89 { RTF_CLONING, 'C' }, 90 { RTF_XRESOLVE, 'X' }, 91 { RTF_LLINFO, 'L' }, 92 { RTF_STATIC, 'S' }, 93 { RTF_PROTO1, '1' }, 94 { RTF_PROTO2, '2' }, 95 { RTF_WASCLONED,'W' }, 96 { RTF_PRCLONING,'c' }, 97 { RTF_PROTO3, '3' }, 98 { RTF_BLACKHOLE,'B' }, 99 { RTF_BROADCAST,'b' }, 100 { 0 } 101}; 102 103static union { 104 struct sockaddr u_sa; 105 u_short u_data[128]; 106} pt_u; 107 108int do_rtent = 0; 109struct rtentry rtentry; 110struct radix_node rnode; 111struct radix_mask rmask; 112struct radix_node_head *rt_tables[AF_MAX+1]; 113 114int NewTree = 0; 115 116static struct sockaddr *kgetsa __P((struct sockaddr *)); 117static void p_tree __P((struct radix_node *)); 118static void p_rtnode __P(()); 119static void ntreestuff __P(()); 120static void np_rtentry __P((struct rt_msghdr *)); 121static void p_sockaddr __P((struct sockaddr *, struct sockaddr *, int, int)); 122static void p_flags __P((int, char *)); 123static void p_rtentry __P((struct rtentry *)); 124 125/* 126 * Print routing tables. 127 */ 128void 129routepr(rtree) 130 u_long rtree; 131{ 132 struct radix_node_head *rnh, head; 133 int i; 134 135 printf("Routing tables\n"); 136 137 if (Aflag == 0 && NewTree) 138 ntreestuff(); 139 else { 140 if (rtree == 0) { 141 printf("rt_tables: symbol not in namelist\n"); 142 return; 143 } 144 145 kget(rtree, rt_tables); 146 for (i = 0; i <= AF_MAX; i++) { 147 if ((rnh = rt_tables[i]) == 0) 148 continue; 149 kget(rnh, head); 150 if (i == AF_UNSPEC) { 151 if (Aflag && af == 0) { 152 printf("Netmasks:\n"); 153 p_tree(head.rnh_treetop); 154 } 155 } else if (af == AF_UNSPEC || af == i) { 156 pr_family(i); 157 do_rtent = 1; 158 pr_rthdr(); 159 p_tree(head.rnh_treetop); 160 } 161 } 162 } 163} 164 165/* 166 * Print address family header before a section of the routing table. 167 */ 168void 169pr_family(af) 170 int af; 171{ 172 char *afname; 173 174 switch (af) { 175 case AF_INET: 176 afname = "Internet"; 177 break; 178 case AF_IPX: 179 afname = "IPX"; 180 break; 181#ifdef NS 182 case AF_NS: 183 afname = "XNS"; 184 break; 185#endif 186 case AF_ISO: 187 afname = "ISO"; 188 break; 189 case AF_APPLETALK: 190 afname = "AppleTalk"; 191 break; 192 case AF_CCITT: 193 afname = "X.25"; 194 break; 195 default: 196 afname = NULL; 197 break; 198 } 199 if (afname) 200 printf("\n%s:\n", afname); 201 else 202 printf("\nProtocol Family %d:\n", af); 203} 204 205/* column widths; each followed by one space */ 206#define WID_DST 18 /* width of destination column */ 207#define WID_GW 18 /* width of gateway column */ 208 209/* 210 * Print header for routing table columns. 211 */ 212void 213pr_rthdr() 214{ 215 if (Aflag) 216 printf("%-8.8s ","Address"); 217 printf("%-*.*s %-*.*s %-6.6s %6.6s%8.8s %8.8s %6s\n", 218 WID_DST, WID_DST, "Destination", 219 WID_GW, WID_GW, "Gateway", 220 "Flags", "Refs", "Use", "Netif", "Expire"); 221} 222 223static struct sockaddr * 224kgetsa(dst) 225 register struct sockaddr *dst; 226{ 227 228 kget(dst, pt_u.u_sa); 229 if (pt_u.u_sa.sa_len > sizeof (pt_u.u_sa)) 230 kread((u_long)dst, (char *)pt_u.u_data, pt_u.u_sa.sa_len); 231 return (&pt_u.u_sa); 232} 233 234static void 235p_tree(rn) 236 struct radix_node *rn; 237{ 238 239again: 240 kget(rn, rnode); 241 if (rnode.rn_b < 0) { 242 if (Aflag) 243 printf("%-8.8x ", (int)rn); 244 if (rnode.rn_flags & RNF_ROOT) { 245 if (Aflag) 246 printf("(root node)%s", 247 rnode.rn_dupedkey ? " =>\n" : "\n"); 248 } else if (do_rtent) { 249 kget(rn, rtentry); 250 p_rtentry(&rtentry); 251 if (Aflag) 252 p_rtnode(); 253 } else { 254 p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_key), 255 NULL, 0, 44); 256 putchar('\n'); 257 } 258 if ((rn = rnode.rn_dupedkey)) 259 goto again; 260 } else { 261 if (Aflag && do_rtent) { 262 printf("%-8.8x ", (int)rn); 263 p_rtnode(); 264 } 265 rn = rnode.rn_r; 266 p_tree(rnode.rn_l); 267 p_tree(rn); 268 } 269} 270 271char nbuf[20]; 272 273static void 274p_rtnode() 275{ 276 struct radix_mask *rm = rnode.rn_mklist; 277 278 if (rnode.rn_b < 0) { 279 if (rnode.rn_mask) { 280 printf("\t mask "); 281 p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_mask), 282 NULL, 0, -1); 283 } else if (rm == 0) 284 return; 285 } else { 286 sprintf(nbuf, "(%d)", rnode.rn_b); 287 printf("%6.6s %8.8x : %8.8x", nbuf, (int)rnode.rn_l, (int)rnode.rn_r); 288 } 289 while (rm) { 290 kget(rm, rmask); 291 sprintf(nbuf, " %d refs, ", rmask.rm_refs); 292 printf(" mk = %8.8x {(%d),%s", 293 (int)rm, -1 - rmask.rm_b, rmask.rm_refs ? nbuf : " "); 294 if (rmask.rm_flags & RNF_NORMAL) { 295 struct radix_node rnode_aux; 296 printf(" <normal>, "); 297 kget(rmask.rm_leaf, rnode_aux); 298 p_sockaddr(kgetsa((struct sockaddr *)rnode_aux.rn_mask), 299 NULL, 0, -1); 300 } else 301 p_sockaddr(kgetsa((struct sockaddr *)rmask.rm_mask), 302 NULL, 0, -1); 303 putchar('}'); 304 if ((rm = rmask.rm_mklist)) 305 printf(" ->"); 306 } 307 putchar('\n'); 308} 309 310static void 311ntreestuff() 312{ 313 size_t needed; 314 int mib[6]; 315 char *buf, *next, *lim; 316 register struct rt_msghdr *rtm; 317 318 mib[0] = CTL_NET; 319 mib[1] = PF_ROUTE; 320 mib[2] = 0; 321 mib[3] = 0; 322 mib[4] = NET_RT_DUMP; 323 mib[5] = 0; 324 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) { 325 err(1, "sysctl: net.route.0.0.dump estimate"); 326 } 327 328 if ((buf = malloc(needed)) == 0) { 329 err(2, "malloc(%lu)", (unsigned long)needed); 330 } 331 if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) { 332 err(1, "sysctl: net.route.0.0.dump"); 333 } 334 lim = buf + needed; 335 for (next = buf; next < lim; next += rtm->rtm_msglen) { 336 rtm = (struct rt_msghdr *)next; 337 np_rtentry(rtm); 338 } 339} 340 341static void 342np_rtentry(rtm) 343 register struct rt_msghdr *rtm; 344{ 345 register struct sockaddr *sa = (struct sockaddr *)(rtm + 1); 346#ifdef notdef 347 static int masks_done, banner_printed; 348#endif 349 static int old_af; 350 int af = 0, interesting = RTF_UP | RTF_GATEWAY | RTF_HOST; 351 352#ifdef notdef 353 /* for the moment, netmasks are skipped over */ 354 if (!banner_printed) { 355 printf("Netmasks:\n"); 356 banner_printed = 1; 357 } 358 if (masks_done == 0) { 359 if (rtm->rtm_addrs != RTA_DST ) { 360 masks_done = 1; 361 af = sa->sa_family; 362 } 363 } else 364#endif 365 af = sa->sa_family; 366 if (af != old_af) { 367 pr_family(af); 368 old_af = af; 369 } 370 if (rtm->rtm_addrs == RTA_DST) 371 p_sockaddr(sa, NULL, 0, 36); 372 else { 373 p_sockaddr(sa, NULL, rtm->rtm_flags, 16); 374 if (sa->sa_len == 0) 375 sa->sa_len = sizeof(long); 376 sa = (struct sockaddr *)(sa->sa_len + (char *)sa); 377 p_sockaddr(sa, NULL, 0, 18); 378 } 379 p_flags(rtm->rtm_flags & interesting, "%-6.6s "); 380 putchar('\n'); 381} 382 383static void 384p_sockaddr(sa, mask, flags, width) 385 struct sockaddr *sa, *mask; 386 int flags, width; 387{ 388 char workbuf[128], *cplim; 389 register char *cp = workbuf; 390 391 switch(sa->sa_family) { 392 case AF_INET: 393 { 394 register struct sockaddr_in *sin = (struct sockaddr_in *)sa; 395 396 if (sin->sin_addr.s_addr == INADDR_ANY) 397 cp = "default"; 398 else if (flags & RTF_HOST) 399 cp = routename(sin->sin_addr.s_addr); 400 else if (mask) 401 cp = netname(sin->sin_addr.s_addr, 402 ntohl(((struct sockaddr_in *)mask) 403 ->sin_addr.s_addr)); 404 else 405 cp = netname(sin->sin_addr.s_addr, 0L); 406 break; 407 } 408 409 case AF_IPX: 410 { 411 struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr; 412 if (ipx_nullnet(satoipx_addr(work))) 413 cp = "default"; 414 else 415 cp = ipx_print(sa); 416 break; 417 } 418 case AF_APPLETALK: 419 { 420 if (!(flags & RTF_HOST) && mask) 421 cp = atalk_print2(sa,mask,9); 422 else 423 cp = atalk_print(sa,11); 424 break; 425 } 426#ifdef NS 427 case AF_NS: 428 cp = ns_print(sa); 429 break; 430#endif 431 432 case AF_LINK: 433 { 434 register struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa; 435 436 if (sdl->sdl_nlen == 0 && sdl->sdl_alen == 0 && 437 sdl->sdl_slen == 0) 438 (void) sprintf(workbuf, "link#%d", sdl->sdl_index); 439 else switch (sdl->sdl_type) { 440 case IFT_ETHER: 441 { 442 register int i; 443 register u_char *lla = (u_char *)sdl->sdl_data + 444 sdl->sdl_nlen; 445 446 cplim = ""; 447 for (i = 0; i < sdl->sdl_alen; i++, lla++) { 448 cp += sprintf(cp, "%s%x", cplim, *lla); 449 cplim = ":"; 450 } 451 cp = workbuf; 452 break; 453 } 454 default: 455 cp = link_ntoa(sdl); 456 break; 457 } 458 break; 459 } 460 461 default: 462 { 463 register u_char *s = (u_char *)sa->sa_data, *slim; 464 465 slim = sa->sa_len + (u_char *) sa; 466 cplim = cp + sizeof(workbuf) - 6; 467 cp += sprintf(cp, "(%d)", sa->sa_family); 468 while (s < slim && cp < cplim) { 469 cp += sprintf(cp, " %02x", *s++); 470 if (s < slim) 471 cp += sprintf(cp, "%02x", *s++); 472 } 473 cp = workbuf; 474 } 475 } 476 if (width < 0 ) 477 printf("%s ", cp); 478 else { 479 if (nflag) 480 printf("%-*s ", width, cp); 481 else 482 printf("%-*.*s ", width, width, cp); 483 } 484} 485 486static void 487p_flags(f, format) 488 register int f; 489 char *format; 490{ 491 char name[33], *flags; 492 register struct bits *p = bits; 493 494 for (flags = name; p->b_mask; p++) 495 if (p->b_mask & f) 496 *flags++ = p->b_val; 497 *flags = '\0'; 498 printf(format, name); 499} 500 501static void 502p_rtentry(rt) 503 register struct rtentry *rt; 504{ 505 static struct ifnet ifnet, *lastif; 506 static char name[16]; 507 static char prettyname[9]; 508 struct sockaddr *sa; 509 struct sockaddr addr, mask; 510 511 /* 512 * Don't print protocol-cloned routes unless -a. 513 */ 514 if(rt->rt_parent && !aflag) 515 return; 516 517 if (!(sa = kgetsa(rt_key(rt)))) 518 bzero(&addr, sizeof addr); 519 else 520 addr = *sa; 521 if (!rt_mask(rt) || !(sa = kgetsa(rt_mask(rt)))) 522 bzero(&mask, sizeof mask); 523 else 524 mask = *sa; 525 p_sockaddr(&addr, &mask, rt->rt_flags, WID_DST); 526 p_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST, WID_GW); 527 p_flags(rt->rt_flags, "%-6.6s "); 528 printf("%6d %8ld ", rt->rt_refcnt, rt->rt_use); 529 if (rt->rt_ifp) { 530 if (rt->rt_ifp != lastif) { 531 kget(rt->rt_ifp, ifnet); 532 kread((u_long)ifnet.if_name, name, 16); 533 lastif = rt->rt_ifp; 534 snprintf(prettyname, sizeof prettyname, 535 "%.6s%d", name, ifnet.if_unit); 536 } 537 if(rt->rt_rmx.rmx_expire) { 538 time_t expire_time; 539 540 if ((expire_time 541 =rt->rt_rmx.rmx_expire - time((time_t *)0)) > 0) 542 printf(" %8.8s %6d%s", prettyname, 543 (int)expire_time, 544 rt->rt_nodes[0].rn_dupedkey ? " =>" : ""); 545 } else { 546 printf(" %8.8s%s", prettyname, 547 rt->rt_nodes[0].rn_dupedkey ? " =>" : ""); 548 } 549 550 } 551 putchar('\n'); 552} 553 554char * 555routename(in) 556 u_long in; 557{ 558 register char *cp; 559 static char line[MAXHOSTNAMELEN + 1]; 560 struct hostent *hp; 561 562 cp = 0; 563 if (!nflag) { 564 hp = gethostbyaddr((char *)&in, sizeof (struct in_addr), 565 AF_INET); 566 if (hp) { 567 cp = hp->h_name; 568 trimdomain(cp); 569 } 570 } 571 if (cp) 572 strncpy(line, cp, sizeof(line) - 1); 573 else { 574#define C(x) ((x) & 0xff) 575 in = ntohl(in); 576 sprintf(line, "%lu.%lu.%lu.%lu", 577 C(in >> 24), C(in >> 16), C(in >> 8), C(in)); 578 } 579 return (line); 580} 581 582static u_long 583forgemask(a) 584 u_long a; 585{ 586 u_long m; 587 588 if (IN_CLASSA(a)) 589 m = IN_CLASSA_NET; 590 else if (IN_CLASSB(a)) 591 m = IN_CLASSB_NET; 592 else 593 m = IN_CLASSC_NET; 594 return (m); 595} 596 597static void 598domask(dst, addr, mask) 599 char *dst; 600 u_long addr, mask; 601{ 602 register int b, i; 603 604 if (!mask || (forgemask(addr) == mask)) { 605 *dst = '\0'; 606 return; 607 } 608 i = 0; 609 for (b = 0; b < 32; b++) 610 if (mask & (1 << b)) { 611 register int bb; 612 613 i = b; 614 for (bb = b+1; bb < 32; bb++) 615 if (!(mask & (1 << bb))) { 616 i = -1; /* noncontig */ 617 break; 618 } 619 break; 620 } 621 if (i == -1) 622 sprintf(dst, "&0x%lx", mask); 623 else 624 sprintf(dst, "/%d", 32-i); 625} 626 627/* 628 * Return the name of the network whose address is given. 629 * The address is assumed to be that of a net or subnet, not a host. 630 */ 631char * 632netname(in, mask) 633 u_long in, mask; 634{ 635 char *cp = 0; 636 static char line[MAXHOSTNAMELEN + 1]; 637 struct netent *np = 0; 638 u_long net, omask; 639 register u_long i; 640 int subnetshift; 641 642 i = ntohl(in); 643 omask = mask; 644 if (!nflag && i) { 645 if (mask == 0) { 646 switch (mask = forgemask(i)) { 647 case IN_CLASSA_NET: 648 subnetshift = 8; 649 break; 650 case IN_CLASSB_NET: 651 subnetshift = 8; 652 break; 653 case IN_CLASSC_NET: 654 subnetshift = 4; 655 break; 656 default: 657 abort(); 658 } 659 /* 660 * If there are more bits than the standard mask 661 * would suggest, subnets must be in use. 662 * Guess at the subnet mask, assuming reasonable 663 * width subnet fields. 664 */ 665 while (i &~ mask) 666 mask = (long)mask >> subnetshift; 667 } 668 net = i & mask; 669 while ((mask & 1) == 0) 670 mask >>= 1, net >>= 1; 671 if (!(np = getnetbyaddr(i, AF_INET))) 672 np = getnetbyaddr(net, AF_INET); 673 if (np) { 674 cp = np->n_name; 675 trimdomain(cp); 676 } 677 } 678 if (cp) 679 strncpy(line, cp, sizeof(line) - 1); 680 else if ((i & 0xffffff) == 0) 681 sprintf(line, "%lu", C(i >> 24)); 682 else if ((i & 0xffff) == 0) 683 sprintf(line, "%lu.%lu", C(i >> 24) , C(i >> 16)); 684 else if ((i & 0xff) == 0) 685 sprintf(line, "%lu.%lu.%lu", C(i >> 24), C(i >> 16), C(i >> 8)); 686 else 687 sprintf(line, "%lu.%lu.%lu.%lu", C(i >> 24), 688 C(i >> 16), C(i >> 8), C(i)); 689 domask(line+strlen(line), i, omask); 690 return (line); 691} 692 693/* 694 * Print routing statistics 695 */ 696void 697rt_stats(off) 698 u_long off; 699{ 700 struct rtstat rtstat; 701 702 if (off == 0) { 703 printf("rtstat: symbol not in namelist\n"); 704 return; 705 } 706 kread(off, (char *)&rtstat, sizeof (rtstat)); 707 printf("routing:\n"); 708 printf("\t%u bad routing redirect%s\n", 709 rtstat.rts_badredirect, plural(rtstat.rts_badredirect)); 710 printf("\t%u dynamically created route%s\n", 711 rtstat.rts_dynamic, plural(rtstat.rts_dynamic)); 712 printf("\t%u new gateway%s due to redirects\n", 713 rtstat.rts_newgateway, plural(rtstat.rts_newgateway)); 714 printf("\t%u destination%s found unreachable\n", 715 rtstat.rts_unreach, plural(rtstat.rts_unreach)); 716 printf("\t%u use%s of a wildcard route\n", 717 rtstat.rts_wildcard, plural(rtstat.rts_wildcard)); 718} 719 720char * 721ipx_print(sa) 722 register struct sockaddr *sa; 723{ 724 u_short port; 725 struct netent *np = 0; 726 struct hostent *hp = 0; 727 struct servent *sp = 0; 728 char *net = "", *host = ""; 729 register char *p; register u_char *q; 730 struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr; 731static char mybuf[50]; 732 char cport[10], chost[15], cnet[15]; 733 734 if(!nflag) 735 sp = getservbyport(work.x_port, "ipx"); 736 port = ntohs(work.x_port); 737 738 if (ipx_nullnet(work) && ipx_nullhost(work)) { 739 740 if (port) { 741 if (sp) sprintf(mybuf, "*.%s", sp->s_name); 742 else sprintf(mybuf, "*.%x", port); 743 } else 744 sprintf(mybuf, "*.*"); 745 746 return (mybuf); 747 } 748 749 if (!nflag && (np = getnetbyaddr(*(u_long *)&work.x_net, AF_IPX))) 750 net = np->n_name; 751 else if (ipx_wildnet(work)) 752 net = "any"; 753 else if (ipx_nullnet(work)) 754 net = "*"; 755 else { 756 q = work.x_net.c_net; 757 sprintf(cnet, "%02x%02x%02x%02x", 758 q[0], q[1], q[2], q[3]); 759 for (p = cnet; *p == '0' && p < cnet + 8; p++) 760 continue; 761 net = p; 762 } 763 764 if (!nflag && (hp = gethostbyaddr((char *)&work.x_host, 6, AF_IPX))) 765 host = hp->h_name; 766 else if (ipx_wildhost(work)) 767 host = "any"; 768 else if (ipx_nullhost(work)) 769 host = "*"; 770 else { 771 q = work.x_host.c_host; 772 sprintf(chost, "%02x%02x%02x%02x%02x%02x", 773 q[0], q[1], q[2], q[3], q[4], q[5]); 774 for (p = chost; *p == '0' && p < chost + 12; p++) 775 continue; 776 host = p; 777 } 778 779 if (port) { 780 if (strcmp(host, "*") == 0) host = ""; 781 if (sp) sprintf(cport, "%s%s", *host ? "." : "", sp->s_name); 782 else sprintf(cport, "%s%x", *host ? "." : "", port); 783 } else 784 *cport = 0; 785 786 sprintf(mybuf,"%s.%s%s", net, host, cport); 787 return(mybuf); 788} 789 790char * 791ipx_phost(sa) 792 struct sockaddr *sa; 793{ 794 register struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)sa; 795 struct sockaddr_ipx work; 796static union ipx_net ipx_zeronet; 797 char *p; 798 struct ipx_addr in; 799 struct hostent *hp; 800 801 work = *sipx; 802 in = work.sipx_addr; 803 804 hp = gethostbyaddr((char *)&in, sizeof(struct ipx_addr), AF_IPX); 805 if (hp) return (hp->h_name); 806 807 work.sipx_addr.x_port = 0; 808 work.sipx_addr.x_net = ipx_zeronet; 809 p = ipx_print((struct sockaddr *)&work); 810 if (strncmp("*.", p, 2) == 0) p += 2; 811 812 return(p); 813} 814 815#ifdef NS 816short ns_nullh[] = {0,0,0}; 817short ns_bh[] = {-1,-1,-1}; 818 819char * 820ns_print(sa) 821 register struct sockaddr *sa; 822{ 823 register struct sockaddr_ns *sns = (struct sockaddr_ns*)sa; 824 struct ns_addr work; 825 union { union ns_net net_e; u_long long_e; } net; 826 u_short port; 827 static char mybuf[50], cport[10], chost[25]; 828 char *host = ""; 829 register char *p; register u_char *q; 830 831 work = sns->sns_addr; 832 port = ntohs(work.x_port); 833 work.x_port = 0; 834 net.net_e = work.x_net; 835 if (ns_nullhost(work) && net.long_e == 0) { 836 if (port ) { 837 sprintf(mybuf, "*.%xH", port); 838 upHex(mybuf); 839 } else 840 sprintf(mybuf, "*.*"); 841 return (mybuf); 842 } 843 844 if (bcmp(ns_bh, work.x_host.c_host, 6) == 0) { 845 host = "any"; 846 } else if (bcmp(ns_nullh, work.x_host.c_host, 6) == 0) { 847 host = "*"; 848 } else { 849 q = work.x_host.c_host; 850 sprintf(chost, "%02x%02x%02x%02x%02x%02xH", 851 q[0], q[1], q[2], q[3], q[4], q[5]); 852 for (p = chost; *p == '0' && p < chost + 12; p++) 853 continue; 854 host = p; 855 } 856 if (port) 857 sprintf(cport, ".%xH", htons(port)); 858 else 859 *cport = 0; 860 861 sprintf(mybuf,"%xH.%s%s", ntohl(net.long_e), host, cport); 862 upHex(mybuf); 863 return(mybuf); 864} 865 866char * 867ns_phost(sa) 868 struct sockaddr *sa; 869{ 870 register struct sockaddr_ns *sns = (struct sockaddr_ns *)sa; 871 struct sockaddr_ns work; 872 static union ns_net ns_zeronet; 873 char *p; 874 875 work = *sns; 876 work.sns_addr.x_port = 0; 877 work.sns_addr.x_net = ns_zeronet; 878 879 p = ns_print((struct sockaddr *)&work); 880 if (strncmp("0H.", p, 3) == 0) p += 3; 881 return(p); 882} 883#endif 884 885void 886upHex(p0) 887 char *p0; 888{ 889 register char *p = p0; 890 for (; *p; p++) switch (*p) { 891 892 case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': 893 *p += ('A' - 'a'); 894 } 895} 896