route.c revision 17254
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 1.16 1996/06/15 17:08:40 peter 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_MASK, 'm' }, /* Mask Present -- for routing messages only */ 90 { RTF_CLONING, 'C' }, 91 { RTF_XRESOLVE, 'X' }, 92 { RTF_LLINFO, 'L' }, 93 { RTF_STATIC, 'S' }, 94 { RTF_PROTO1, '1' }, 95 { RTF_PROTO2, '2' }, 96 { RTF_WASCLONED,'W' }, 97 { RTF_PRCLONING,'c' }, 98 { RTF_PROTO3, '3' }, 99 { RTF_BLACKHOLE,'B' }, 100 { RTF_BROADCAST,'b' }, 101 { 0 } 102}; 103 104static union { 105 struct sockaddr u_sa; 106 u_short u_data[128]; 107} pt_u; 108 109int do_rtent = 0; 110struct rtentry rtentry; 111struct radix_node rnode; 112struct radix_mask rmask; 113struct radix_node_head *rt_tables[AF_MAX+1]; 114 115int NewTree = 0; 116 117static struct sockaddr *kgetsa __P((struct sockaddr *)); 118static void p_tree __P((struct radix_node *)); 119static void p_rtnode __P(()); 120static void ntreestuff __P(()); 121static void np_rtentry __P((struct rt_msghdr *)); 122static void p_sockaddr __P((struct sockaddr *, struct sockaddr *, int, int)); 123static void p_flags __P((int, char *)); 124static void p_rtentry __P((struct rtentry *)); 125 126/* 127 * Print routing tables. 128 */ 129void 130routepr(rtree) 131 u_long rtree; 132{ 133 struct radix_node_head *rnh, head; 134 int i; 135 136 printf("Routing tables\n"); 137 138 if (Aflag == 0 && NewTree) 139 ntreestuff(); 140 else { 141 if (rtree == 0) { 142 printf("rt_tables: symbol not in namelist\n"); 143 return; 144 } 145 146 kget(rtree, rt_tables); 147 for (i = 0; i <= AF_MAX; i++) { 148 if ((rnh = rt_tables[i]) == 0) 149 continue; 150 kget(rnh, head); 151 if (i == AF_UNSPEC) { 152 if (Aflag && af == 0) { 153 printf("Netmasks:\n"); 154 p_tree(head.rnh_treetop); 155 } 156 } else if (af == AF_UNSPEC || af == i) { 157 pr_family(i); 158 do_rtent = 1; 159 pr_rthdr(); 160 p_tree(head.rnh_treetop); 161 } 162 } 163 } 164} 165 166/* 167 * Print address family header before a section of the routing table. 168 */ 169void 170pr_family(af) 171 int af; 172{ 173 char *afname; 174 175 switch (af) { 176 case AF_INET: 177 afname = "Internet"; 178 break; 179 case AF_IPX: 180 afname = "IPX"; 181 break; 182#ifdef NS 183 case AF_NS: 184 afname = "XNS"; 185 break; 186#endif 187 case AF_ISO: 188 afname = "ISO"; 189 break; 190 case AF_APPLETALK: 191 afname = "AppleTalk"; 192 break; 193 case AF_CCITT: 194 afname = "X.25"; 195 break; 196 default: 197 afname = NULL; 198 break; 199 } 200 if (afname) 201 printf("\n%s:\n", afname); 202 else 203 printf("\nProtocol Family %d:\n", af); 204} 205 206/* column widths; each followed by one space */ 207#define WID_DST 18 /* width of destination column */ 208#define WID_GW 18 /* width of gateway column */ 209 210/* 211 * Print header for routing table columns. 212 */ 213void 214pr_rthdr() 215{ 216 if (Aflag) 217 printf("%-8.8s ","Address"); 218 printf("%-*.*s %-*.*s %-6.6s %6.6s%8.8s %8.8s %6s\n", 219 WID_DST, WID_DST, "Destination", 220 WID_GW, WID_GW, "Gateway", 221 "Flags", "Refs", "Use", "Netif", "Expire"); 222} 223 224static struct sockaddr * 225kgetsa(dst) 226 register struct sockaddr *dst; 227{ 228 229 kget(dst, pt_u.u_sa); 230 if (pt_u.u_sa.sa_len > sizeof (pt_u.u_sa)) 231 kread((u_long)dst, (char *)pt_u.u_data, pt_u.u_sa.sa_len); 232 return (&pt_u.u_sa); 233} 234 235static void 236p_tree(rn) 237 struct radix_node *rn; 238{ 239 240again: 241 kget(rn, rnode); 242 if (rnode.rn_b < 0) { 243 if (Aflag) 244 printf("%-8.8x ", (int)rn); 245 if (rnode.rn_flags & RNF_ROOT) { 246 if (Aflag) 247 printf("(root node)%s", 248 rnode.rn_dupedkey ? " =>\n" : "\n"); 249 } else if (do_rtent) { 250 kget(rn, rtentry); 251 p_rtentry(&rtentry); 252 if (Aflag) 253 p_rtnode(); 254 } else { 255 p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_key), 256 NULL, 0, 44); 257 putchar('\n'); 258 } 259 if ((rn = rnode.rn_dupedkey)) 260 goto again; 261 } else { 262 if (Aflag && do_rtent) { 263 printf("%-8.8x ", (int)rn); 264 p_rtnode(); 265 } 266 rn = rnode.rn_r; 267 p_tree(rnode.rn_l); 268 p_tree(rn); 269 } 270} 271 272char nbuf[20]; 273 274static void 275p_rtnode() 276{ 277 struct radix_mask *rm = rnode.rn_mklist; 278 279 if (rnode.rn_b < 0) { 280 if (rnode.rn_mask) { 281 printf("\t mask "); 282 p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_mask), 283 NULL, 0, -1); 284 } else if (rm == 0) 285 return; 286 } else { 287 sprintf(nbuf, "(%d)", rnode.rn_b); 288 printf("%6.6s %8.8x : %8.8x", nbuf, (int)rnode.rn_l, (int)rnode.rn_r); 289 } 290 while (rm) { 291 kget(rm, rmask); 292 sprintf(nbuf, " %d refs, ", rmask.rm_refs); 293 printf(" mk = %8.8x {(%d),%s", 294 (int)rm, -1 - rmask.rm_b, rmask.rm_refs ? nbuf : " "); 295 if (rmask.rm_flags & RNF_NORMAL) { 296 struct radix_node rnode_aux; 297 printf(" <normal>, "); 298 kget(rmask.rm_leaf, rnode_aux); 299 p_sockaddr(kgetsa((struct sockaddr *)rnode_aux.rn_mask), 300 NULL, 0, -1); 301 } else 302 p_sockaddr(kgetsa((struct sockaddr *)rmask.rm_mask), 303 NULL, 0, -1); 304 putchar('}'); 305 if ((rm = rmask.rm_mklist)) 306 printf(" ->"); 307 } 308 putchar('\n'); 309} 310 311static void 312ntreestuff() 313{ 314 size_t needed; 315 int mib[6]; 316 char *buf, *next, *lim; 317 register struct rt_msghdr *rtm; 318 319 mib[0] = CTL_NET; 320 mib[1] = PF_ROUTE; 321 mib[2] = 0; 322 mib[3] = 0; 323 mib[4] = NET_RT_DUMP; 324 mib[5] = 0; 325 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) { 326 err(1, "sysctl: net.route.0.0.dump estimate"); 327 } 328 329 if ((buf = malloc(needed)) == 0) { 330 err(2, "malloc(%lu)", (unsigned long)needed); 331 } 332 if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) { 333 err(1, "sysctl: net.route.0.0.dump"); 334 } 335 lim = buf + needed; 336 for (next = buf; next < lim; next += rtm->rtm_msglen) { 337 rtm = (struct rt_msghdr *)next; 338 np_rtentry(rtm); 339 } 340} 341 342static void 343np_rtentry(rtm) 344 register struct rt_msghdr *rtm; 345{ 346 register struct sockaddr *sa = (struct sockaddr *)(rtm + 1); 347#ifdef notdef 348 static int masks_done, banner_printed; 349#endif 350 static int old_af; 351 int af = 0, interesting = RTF_UP | RTF_GATEWAY | RTF_HOST; 352 353#ifdef notdef 354 /* for the moment, netmasks are skipped over */ 355 if (!banner_printed) { 356 printf("Netmasks:\n"); 357 banner_printed = 1; 358 } 359 if (masks_done == 0) { 360 if (rtm->rtm_addrs != RTA_DST ) { 361 masks_done = 1; 362 af = sa->sa_family; 363 } 364 } else 365#endif 366 af = sa->sa_family; 367 if (af != old_af) { 368 pr_family(af); 369 old_af = af; 370 } 371 if (rtm->rtm_addrs == RTA_DST) 372 p_sockaddr(sa, NULL, 0, 36); 373 else { 374 p_sockaddr(sa, NULL, rtm->rtm_flags, 16); 375 if (sa->sa_len == 0) 376 sa->sa_len = sizeof(long); 377 sa = (struct sockaddr *)(sa->sa_len + (char *)sa); 378 p_sockaddr(sa, NULL, 0, 18); 379 } 380 p_flags(rtm->rtm_flags & interesting, "%-6.6s "); 381 putchar('\n'); 382} 383 384static void 385p_sockaddr(sa, mask, flags, width) 386 struct sockaddr *sa, *mask; 387 int flags, width; 388{ 389 char workbuf[128], *cplim; 390 register char *cp = workbuf; 391 392 switch(sa->sa_family) { 393 case AF_INET: 394 { 395 register struct sockaddr_in *sin = (struct sockaddr_in *)sa; 396 397 if (sin->sin_addr.s_addr == INADDR_ANY) 398 cp = "default"; 399 else if (flags & RTF_HOST) 400 cp = routename(sin->sin_addr.s_addr); 401 else if (mask) 402 cp = netname(sin->sin_addr.s_addr, 403 ntohl(((struct sockaddr_in *)mask) 404 ->sin_addr.s_addr)); 405 else 406 cp = netname(sin->sin_addr.s_addr, 0L); 407 break; 408 } 409 410 case AF_IPX: 411 { 412 struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr; 413 if (ipx_nullnet(satoipx_addr(work))) 414 cp = "default"; 415 else 416 cp = ipx_print(sa); 417 break; 418 } 419 case AF_APPLETALK: 420 { 421 if (mask) 422 cp = atalk_print2(sa,mask,11); 423 else 424 cp = atalk_print(sa,11); 425 break; 426 } 427#ifdef NS 428 case AF_NS: 429 cp = ns_print(sa); 430 break; 431#endif 432 433 case AF_LINK: 434 { 435 register struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa; 436 437 if (sdl->sdl_nlen == 0 && sdl->sdl_alen == 0 && 438 sdl->sdl_slen == 0) 439 (void) sprintf(workbuf, "link#%d", sdl->sdl_index); 440 else switch (sdl->sdl_type) { 441 case IFT_ETHER: 442 { 443 register int i; 444 register u_char *lla = (u_char *)sdl->sdl_data + 445 sdl->sdl_nlen; 446 447 cplim = ""; 448 for (i = 0; i < sdl->sdl_alen; i++, lla++) { 449 cp += sprintf(cp, "%s%x", cplim, *lla); 450 cplim = ":"; 451 } 452 cp = workbuf; 453 break; 454 } 455 default: 456 cp = link_ntoa(sdl); 457 break; 458 } 459 break; 460 } 461 462 default: 463 { 464 register u_char *s = (u_char *)sa->sa_data, *slim; 465 466 slim = sa->sa_len + (u_char *) sa; 467 cplim = cp + sizeof(workbuf) - 6; 468 cp += sprintf(cp, "(%d)", sa->sa_family); 469 while (s < slim && cp < cplim) { 470 cp += sprintf(cp, " %02x", *s++); 471 if (s < slim) 472 cp += sprintf(cp, "%02x", *s++); 473 } 474 cp = workbuf; 475 } 476 } 477 if (width < 0 ) 478 printf("%s ", cp); 479 else { 480 if (nflag) 481 printf("%-*s ", width, cp); 482 else 483 printf("%-*.*s ", width, width, cp); 484 } 485} 486 487static void 488p_flags(f, format) 489 register int f; 490 char *format; 491{ 492 char name[33], *flags; 493 register struct bits *p = bits; 494 495 for (flags = name; p->b_mask; p++) 496 if (p->b_mask & f) 497 *flags++ = p->b_val; 498 *flags = '\0'; 499 printf(format, name); 500} 501 502static void 503p_rtentry(rt) 504 register struct rtentry *rt; 505{ 506 static struct ifnet ifnet, *lastif; 507 static char name[16]; 508 static char prettyname[9]; 509 struct sockaddr *sa; 510 struct sockaddr addr, mask; 511 512 /* 513 * Don't print protocol-cloned routes unless -a. 514 */ 515 if(rt->rt_parent && !aflag) 516 return; 517 518 if (!(sa = kgetsa(rt_key(rt)))) 519 bzero(&addr, sizeof addr); 520 else 521 addr = *sa; 522 if (!rt_mask(rt) || !(sa = kgetsa(rt_mask(rt)))) 523 bzero(&mask, sizeof mask); 524 else 525 mask = *sa; 526 p_sockaddr(&addr, &mask, rt->rt_flags, WID_DST); 527 p_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST, WID_GW); 528 p_flags(rt->rt_flags, "%-6.6s "); 529 printf("%6d %8ld ", rt->rt_refcnt, rt->rt_use); 530 if (rt->rt_ifp) { 531 if (rt->rt_ifp != lastif) { 532 kget(rt->rt_ifp, ifnet); 533 kread((u_long)ifnet.if_name, name, 16); 534 lastif = rt->rt_ifp; 535 snprintf(prettyname, sizeof prettyname, 536 "%.6s%d", name, ifnet.if_unit); 537 } 538 if(rt->rt_rmx.rmx_expire) { 539 time_t expire_time; 540 541 if ((expire_time 542 =rt->rt_rmx.rmx_expire - time((time_t *)0)) > 0) 543 printf(" %8.8s %6d%s", prettyname, 544 (int)expire_time, 545 rt->rt_nodes[0].rn_dupedkey ? " =>" : ""); 546 } else { 547 printf(" %8.8s%s", prettyname, 548 rt->rt_nodes[0].rn_dupedkey ? " =>" : ""); 549 } 550 551 } 552 putchar('\n'); 553} 554 555char * 556routename(in) 557 u_long in; 558{ 559 register char *cp; 560 static char line[MAXHOSTNAMELEN + 1]; 561 struct hostent *hp; 562 563 cp = 0; 564 if (!nflag) { 565 hp = gethostbyaddr((char *)&in, sizeof (struct in_addr), 566 AF_INET); 567 if (hp) { 568 cp = hp->h_name; 569 trimdomain(cp); 570 } 571 } 572 if (cp) 573 strncpy(line, cp, sizeof(line) - 1); 574 else { 575#define C(x) ((x) & 0xff) 576 in = ntohl(in); 577 sprintf(line, "%lu.%lu.%lu.%lu", 578 C(in >> 24), C(in >> 16), C(in >> 8), C(in)); 579 } 580 return (line); 581} 582 583static u_long 584forgemask(a) 585 u_long a; 586{ 587 u_long m; 588 589 if (IN_CLASSA(a)) 590 m = IN_CLASSA_NET; 591 else if (IN_CLASSB(a)) 592 m = IN_CLASSB_NET; 593 else 594 m = IN_CLASSC_NET; 595 return (m); 596} 597 598static void 599domask(dst, addr, mask) 600 char *dst; 601 u_long addr, mask; 602{ 603 register int b, i; 604 605 if (!mask || (forgemask(addr) == mask)) { 606 *dst = '\0'; 607 return; 608 } 609 i = 0; 610 for (b = 0; b < 32; b++) 611 if (mask & (1 << b)) { 612 register int bb; 613 614 i = b; 615 for (bb = b+1; bb < 32; bb++) 616 if (!(mask & (1 << bb))) { 617 i = -1; /* noncontig */ 618 break; 619 } 620 break; 621 } 622 if (i == -1) 623 sprintf(dst, "&0x%lx", mask); 624 else 625 sprintf(dst, "/%d", 32-i); 626} 627 628/* 629 * Return the name of the network whose address is given. 630 * The address is assumed to be that of a net or subnet, not a host. 631 */ 632char * 633netname(in, mask) 634 u_long in, mask; 635{ 636 char *cp = 0; 637 static char line[MAXHOSTNAMELEN + 1]; 638 struct netent *np = 0; 639 u_long net, omask; 640 register u_long i; 641 int subnetshift; 642 643 i = ntohl(in); 644 omask = mask; 645 if (!nflag && i) { 646 if (mask == 0) { 647 switch (mask = forgemask(i)) { 648 case IN_CLASSA_NET: 649 subnetshift = 8; 650 break; 651 case IN_CLASSB_NET: 652 subnetshift = 8; 653 break; 654 case IN_CLASSC_NET: 655 subnetshift = 4; 656 break; 657 default: 658 abort(); 659 } 660 /* 661 * If there are more bits than the standard mask 662 * would suggest, subnets must be in use. 663 * Guess at the subnet mask, assuming reasonable 664 * width subnet fields. 665 */ 666 while (i &~ mask) 667 mask = (long)mask >> subnetshift; 668 } 669 net = i & mask; 670 while ((mask & 1) == 0) 671 mask >>= 1, net >>= 1; 672 if (!(np = getnetbyaddr(i, AF_INET))) 673 np = getnetbyaddr(net, AF_INET); 674 if (np) { 675 cp = np->n_name; 676 trimdomain(cp); 677 } 678 } 679 if (cp) 680 strncpy(line, cp, sizeof(line) - 1); 681 else if ((i & 0xffffff) == 0) 682 sprintf(line, "%lu", C(i >> 24)); 683 else if ((i & 0xffff) == 0) 684 sprintf(line, "%lu.%lu", C(i >> 24) , C(i >> 16)); 685 else if ((i & 0xff) == 0) 686 sprintf(line, "%lu.%lu.%lu", C(i >> 24), C(i >> 16), C(i >> 8)); 687 else 688 sprintf(line, "%lu.%lu.%lu.%lu", C(i >> 24), 689 C(i >> 16), C(i >> 8), C(i)); 690 domask(line+strlen(line), i, omask); 691 return (line); 692} 693 694/* 695 * Print routing statistics 696 */ 697void 698rt_stats(off) 699 u_long off; 700{ 701 struct rtstat rtstat; 702 703 if (off == 0) { 704 printf("rtstat: symbol not in namelist\n"); 705 return; 706 } 707 kread(off, (char *)&rtstat, sizeof (rtstat)); 708 printf("routing:\n"); 709 printf("\t%u bad routing redirect%s\n", 710 rtstat.rts_badredirect, plural(rtstat.rts_badredirect)); 711 printf("\t%u dynamically created route%s\n", 712 rtstat.rts_dynamic, plural(rtstat.rts_dynamic)); 713 printf("\t%u new gateway%s due to redirects\n", 714 rtstat.rts_newgateway, plural(rtstat.rts_newgateway)); 715 printf("\t%u destination%s found unreachable\n", 716 rtstat.rts_unreach, plural(rtstat.rts_unreach)); 717 printf("\t%u use%s of a wildcard route\n", 718 rtstat.rts_wildcard, plural(rtstat.rts_wildcard)); 719} 720 721char * 722ipx_print(sa) 723 register struct sockaddr *sa; 724{ 725 u_short port; 726 struct netent *np = 0; 727 struct hostent *hp = 0; 728 struct servent *sp = 0; 729 char *net = "", *host = ""; 730 register char *p; register u_char *q; 731 struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr; 732static char mybuf[50]; 733 char cport[10], chost[15], cnet[15]; 734 735 if(!nflag) 736 sp = getservbyport(work.x_port, "ipx"); 737 port = ntohs(work.x_port); 738 739 if (ipx_nullnet(work) && ipx_nullhost(work)) { 740 741 if (port) { 742 if (sp) sprintf(mybuf, "*.%s", sp->s_name); 743 else sprintf(mybuf, "*.%x", port); 744 } else 745 sprintf(mybuf, "*.*"); 746 747 return (mybuf); 748 } 749 750 if (!nflag && (np = getnetbyaddr(*(u_long *)&work.x_net, AF_IPX))) 751 net = np->n_name; 752 else if (ipx_wildnet(work)) 753 net = "any"; 754 else if (ipx_nullnet(work)) 755 net = "*"; 756 else { 757 q = work.x_net.c_net; 758 sprintf(cnet, "%02x%02x%02x%02x", 759 q[0], q[1], q[2], q[3]); 760 for (p = cnet; *p == '0' && p < cnet + 8; p++) 761 continue; 762 net = p; 763 } 764 765 if (!nflag && (hp = gethostbyaddr((char *)&work.x_host, 6, AF_IPX))) 766 host = hp->h_name; 767 else if (ipx_wildhost(work)) 768 host = "any"; 769 else if (ipx_nullhost(work)) 770 host = "*"; 771 else { 772 q = work.x_host.c_host; 773 sprintf(chost, "%02x%02x%02x%02x%02x%02x", 774 q[0], q[1], q[2], q[3], q[4], q[5]); 775 for (p = chost; *p == '0' && p < chost + 12; p++) 776 continue; 777 host = p; 778 } 779 780 if (port) { 781 if (strcmp(host, "*") == 0) host = ""; 782 if (sp) sprintf(cport, "%s%s", *host ? "." : "", sp->s_name); 783 else sprintf(cport, "%s%x", *host ? "." : "", port); 784 } else 785 *cport = 0; 786 787 sprintf(mybuf,"%s.%s%s", net, host, cport); 788 return(mybuf); 789} 790 791char * 792ipx_phost(sa) 793 struct sockaddr *sa; 794{ 795 register struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)sa; 796 struct sockaddr_ipx work; 797static union ipx_net ipx_zeronet; 798 char *p; 799 struct ipx_addr in; 800 struct hostent *hp; 801 802 work = *sipx; 803 in = work.sipx_addr; 804 805 hp = gethostbyaddr((char *)&in, sizeof(struct ipx_addr), AF_IPX); 806 if (hp) return (hp->h_name); 807 808 work.sipx_addr.x_port = 0; 809 work.sipx_addr.x_net = ipx_zeronet; 810 p = ipx_print((struct sockaddr *)&work); 811 if (strncmp("*.", p, 2) == 0) p += 2; 812 813 return(p); 814} 815 816#ifdef NS 817short ns_nullh[] = {0,0,0}; 818short ns_bh[] = {-1,-1,-1}; 819 820char * 821ns_print(sa) 822 register struct sockaddr *sa; 823{ 824 register struct sockaddr_ns *sns = (struct sockaddr_ns*)sa; 825 struct ns_addr work; 826 union { union ns_net net_e; u_long long_e; } net; 827 u_short port; 828 static char mybuf[50], cport[10], chost[25]; 829 char *host = ""; 830 register char *p; register u_char *q; 831 832 work = sns->sns_addr; 833 port = ntohs(work.x_port); 834 work.x_port = 0; 835 net.net_e = work.x_net; 836 if (ns_nullhost(work) && net.long_e == 0) { 837 if (port ) { 838 sprintf(mybuf, "*.%xH", port); 839 upHex(mybuf); 840 } else 841 sprintf(mybuf, "*.*"); 842 return (mybuf); 843 } 844 845 if (bcmp(ns_bh, work.x_host.c_host, 6) == 0) { 846 host = "any"; 847 } else if (bcmp(ns_nullh, work.x_host.c_host, 6) == 0) { 848 host = "*"; 849 } else { 850 q = work.x_host.c_host; 851 sprintf(chost, "%02x%02x%02x%02x%02x%02xH", 852 q[0], q[1], q[2], q[3], q[4], q[5]); 853 for (p = chost; *p == '0' && p < chost + 12; p++) 854 continue; 855 host = p; 856 } 857 if (port) 858 sprintf(cport, ".%xH", htons(port)); 859 else 860 *cport = 0; 861 862 sprintf(mybuf,"%xH.%s%s", ntohl(net.long_e), host, cport); 863 upHex(mybuf); 864 return(mybuf); 865} 866 867char * 868ns_phost(sa) 869 struct sockaddr *sa; 870{ 871 register struct sockaddr_ns *sns = (struct sockaddr_ns *)sa; 872 struct sockaddr_ns work; 873 static union ns_net ns_zeronet; 874 char *p; 875 876 work = *sns; 877 work.sns_addr.x_port = 0; 878 work.sns_addr.x_net = ns_zeronet; 879 880 p = ns_print((struct sockaddr *)&work); 881 if (strncmp("0H.", p, 3) == 0) p += 3; 882 return(p); 883} 884#endif 885 886void 887upHex(p0) 888 char *p0; 889{ 890 register char *p = p0; 891 for (; *p; p++) switch (*p) { 892 893 case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': 894 *p += ('A' - 'a'); 895 } 896} 897