route.c revision 13430
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 1.8 1995/12/05 07:29:15 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#include <netinet/in.h> 54 55#include <netipx/ipx.h> 56 57#include <netns/ns.h> 58 59#include <sys/sysctl.h> 60 61#include <netdb.h> 62#include <stdio.h> 63#include <stdlib.h> 64#include <string.h> 65#include <unistd.h> 66#include <err.h> 67#include <time.h> 68#include "netstat.h" 69 70#define kget(p, d) (kread((u_long)(p), (char *)&(d), sizeof (d))) 71 72/* 73 * Definitions for showing gateway flags. 74 */ 75struct bits { 76 u_long b_mask; 77 char b_val; 78} bits[] = { 79 { RTF_UP, 'U' }, 80 { RTF_GATEWAY, 'G' }, 81 { RTF_HOST, 'H' }, 82 { RTF_REJECT, 'R' }, 83 { RTF_DYNAMIC, 'D' }, 84 { RTF_MODIFIED, 'M' }, 85 { RTF_DONE, 'd' }, /* Completed -- for routing messages only */ 86 { RTF_MASK, 'm' }, /* Mask Present -- for routing messages only */ 87 { RTF_CLONING, 'C' }, 88 { RTF_XRESOLVE, 'X' }, 89 { RTF_LLINFO, 'L' }, 90 { RTF_STATIC, 'S' }, 91 { RTF_PROTO1, '1' }, 92 { RTF_PROTO2, '2' }, 93 { RTF_WASCLONED,'W' }, 94 { RTF_PRCLONING,'c' }, 95 { RTF_PROTO3, '3' }, 96 { 0 } 97}; 98 99static union { 100 struct sockaddr u_sa; 101 u_short u_data[128]; 102} pt_u; 103 104int do_rtent = 0; 105struct rtentry rtentry; 106struct radix_node rnode; 107struct radix_mask rmask; 108struct radix_node_head *rt_tables[AF_MAX+1]; 109 110int NewTree = 0; 111 112static struct sockaddr *kgetsa __P((struct sockaddr *)); 113static void p_tree __P((struct radix_node *)); 114static void p_rtnode __P(()); 115static void ntreestuff __P(()); 116static void np_rtentry __P((struct rt_msghdr *)); 117static void p_sockaddr __P((struct sockaddr *, struct sockaddr *, int, int)); 118static void p_flags __P((int, char *)); 119static void p_rtentry __P((struct rtentry *)); 120 121/* 122 * Print routing tables. 123 */ 124void 125routepr(rtree) 126 u_long rtree; 127{ 128 struct radix_node_head *rnh, head; 129 int i; 130 131 printf("Routing tables\n"); 132 133 if (Aflag == 0 && NewTree) 134 ntreestuff(); 135 else { 136 if (rtree == 0) { 137 printf("rt_tables: symbol not in namelist\n"); 138 return; 139 } 140 141 kget(rtree, rt_tables); 142 for (i = 0; i <= AF_MAX; i++) { 143 if ((rnh = rt_tables[i]) == 0) 144 continue; 145 kget(rnh, head); 146 if (i == AF_UNSPEC) { 147 if (Aflag && af == 0) { 148 printf("Netmasks:\n"); 149 p_tree(head.rnh_treetop); 150 } 151 } else if (af == AF_UNSPEC || af == i) { 152 pr_family(i); 153 do_rtent = 1; 154 pr_rthdr(); 155 p_tree(head.rnh_treetop); 156 } 157 } 158 } 159} 160 161/* 162 * Print address family header before a section of the routing table. 163 */ 164void 165pr_family(af) 166 int af; 167{ 168 char *afname; 169 170 switch (af) { 171 case AF_INET: 172 afname = "Internet"; 173 break; 174 case AF_IPX: 175 afname = "IPX"; 176 break; 177 case AF_NS: 178 afname = "XNS"; 179 break; 180 case AF_ISO: 181 afname = "ISO"; 182 break; 183 case AF_CCITT: 184 afname = "X.25"; 185 break; 186 default: 187 afname = NULL; 188 break; 189 } 190 if (afname) 191 printf("\n%s:\n", afname); 192 else 193 printf("\nProtocol Family %d:\n", af); 194} 195 196/* column widths; each followed by one space */ 197#define WID_DST 18 /* width of destination column */ 198#define WID_GW 18 /* width of gateway column */ 199 200/* 201 * Print header for routing table columns. 202 */ 203void 204pr_rthdr() 205{ 206 if (Aflag) 207 printf("%-8.8s ","Address"); 208 printf("%-*.*s %-*.*s %-6.6s %6.6s%8.8s %8.8s %6s\n", 209 WID_DST, WID_DST, "Destination", 210 WID_GW, WID_GW, "Gateway", 211 "Flags", "Refs", "Use", "Netif", "Expire"); 212} 213 214static struct sockaddr * 215kgetsa(dst) 216 register struct sockaddr *dst; 217{ 218 219 kget(dst, pt_u.u_sa); 220 if (pt_u.u_sa.sa_len > sizeof (pt_u.u_sa)) 221 kread((u_long)dst, (char *)pt_u.u_data, pt_u.u_sa.sa_len); 222 return (&pt_u.u_sa); 223} 224 225static void 226p_tree(rn) 227 struct radix_node *rn; 228{ 229 230again: 231 kget(rn, rnode); 232 if (rnode.rn_b < 0) { 233 if (Aflag) 234 printf("%-8.8x ", rn); 235 if (rnode.rn_flags & RNF_ROOT) { 236 if (Aflag) 237 printf("(root node)%s", 238 rnode.rn_dupedkey ? " =>\n" : "\n"); 239 } else if (do_rtent) { 240 kget(rn, rtentry); 241 p_rtentry(&rtentry); 242 if (Aflag) 243 p_rtnode(); 244 } else { 245 p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_key), 246 NULL, 0, 44); 247 putchar('\n'); 248 } 249 if (rn = rnode.rn_dupedkey) 250 goto again; 251 } else { 252 if (Aflag && do_rtent) { 253 printf("%-8.8x ", rn); 254 p_rtnode(); 255 } 256 rn = rnode.rn_r; 257 p_tree(rnode.rn_l); 258 p_tree(rn); 259 } 260} 261 262char nbuf[20]; 263 264static void 265p_rtnode() 266{ 267 struct radix_mask *rm = rnode.rn_mklist; 268 269 if (rnode.rn_b < 0) { 270 if (rnode.rn_mask) { 271 printf("\t mask "); 272 p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_mask), 273 NULL, 0, -1); 274 } else if (rm == 0) 275 return; 276 } else { 277 sprintf(nbuf, "(%d)", rnode.rn_b); 278 printf("%6.6s %8.8x : %8.8x", nbuf, rnode.rn_l, rnode.rn_r); 279 } 280 while (rm) { 281 kget(rm, rmask); 282 sprintf(nbuf, " %d refs, ", rmask.rm_refs); 283 printf(" mk = %8.8x {(%d),%s", 284 rm, -1 - rmask.rm_b, rmask.rm_refs ? nbuf : " "); 285 if (rmask.rm_flags & RNF_NORMAL) { 286 struct radix_node rnode_aux; 287 printf(" <normal>, "); 288 kget(rmask.rm_leaf, rnode_aux); 289 p_sockaddr(kgetsa((struct sockaddr *)rnode_aux.rn_mask), 290 NULL, 0, -1); 291 } else 292 p_sockaddr(kgetsa((struct sockaddr *)rmask.rm_mask), 293 NULL, 0, -1); 294 putchar('}'); 295 if (rm = rmask.rm_mklist) 296 printf(" ->"); 297 } 298 putchar('\n'); 299} 300 301static void 302ntreestuff() 303{ 304 size_t needed; 305 int mib[6]; 306 char *buf, *next, *lim; 307 register struct rt_msghdr *rtm; 308 309 mib[0] = CTL_NET; 310 mib[1] = PF_ROUTE; 311 mib[2] = 0; 312 mib[3] = 0; 313 mib[4] = NET_RT_DUMP; 314 mib[5] = 0; 315 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) { 316 err(1, "sysctl: net.route.0.0.dump estimate"); 317 } 318 319 if ((buf = malloc(needed)) == 0) { 320 err(2, "malloc(%lu)", (unsigned long)needed); 321 } 322 if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) { 323 err(1, "sysctl: net.route.0.0.dump"); 324 } 325 lim = buf + needed; 326 for (next = buf; next < lim; next += rtm->rtm_msglen) { 327 rtm = (struct rt_msghdr *)next; 328 np_rtentry(rtm); 329 } 330} 331 332static void 333np_rtentry(rtm) 334 register struct rt_msghdr *rtm; 335{ 336 register struct sockaddr *sa = (struct sockaddr *)(rtm + 1); 337#ifdef notdef 338 static int masks_done, banner_printed; 339#endif 340 static int old_af; 341 int af = 0, interesting = RTF_UP | RTF_GATEWAY | RTF_HOST; 342 343#ifdef notdef 344 /* for the moment, netmasks are skipped over */ 345 if (!banner_printed) { 346 printf("Netmasks:\n"); 347 banner_printed = 1; 348 } 349 if (masks_done == 0) { 350 if (rtm->rtm_addrs != RTA_DST ) { 351 masks_done = 1; 352 af = sa->sa_family; 353 } 354 } else 355#endif 356 af = sa->sa_family; 357 if (af != old_af) { 358 pr_family(af); 359 old_af = af; 360 } 361 if (rtm->rtm_addrs == RTA_DST) 362 p_sockaddr(sa, NULL, 0, 36); 363 else { 364 p_sockaddr(sa, NULL, rtm->rtm_flags, 16); 365 if (sa->sa_len == 0) 366 sa->sa_len = sizeof(long); 367 sa = (struct sockaddr *)(sa->sa_len + (char *)sa); 368 p_sockaddr(sa, NULL, 0, 18); 369 } 370 p_flags(rtm->rtm_flags & interesting, "%-6.6s "); 371 putchar('\n'); 372} 373 374static void 375p_sockaddr(sa, mask, flags, width) 376 struct sockaddr *sa, *mask; 377 int flags, width; 378{ 379 char workbuf[128], *cplim; 380 register char *cp = workbuf; 381 382 switch(sa->sa_family) { 383 case AF_INET: 384 { 385 register struct sockaddr_in *sin = (struct sockaddr_in *)sa; 386 387 if (sin->sin_addr.s_addr == INADDR_ANY) 388 cp = "default"; 389 else if (flags & RTF_HOST) 390 cp = routename(sin->sin_addr.s_addr); 391 else if (mask) 392 cp = netname(sin->sin_addr.s_addr, 393 ntohl(((struct sockaddr_in *)mask) 394 ->sin_addr.s_addr)); 395 else 396 cp = netname(sin->sin_addr.s_addr, 0L); 397 break; 398 } 399 400 case AF_IPX: 401 { 402 struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr; 403 if (ipx_nullnet(satoipx_addr(work))) 404 cp = "default"; 405 else 406 cp = ipx_print(sa); 407 break; 408 } 409 410 case AF_NS: 411 cp = ns_print(sa); 412 break; 413 414 case AF_LINK: 415 { 416 register struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa; 417 418 if (sdl->sdl_nlen == 0 && sdl->sdl_alen == 0 && 419 sdl->sdl_slen == 0) 420 (void) sprintf(workbuf, "link#%d", sdl->sdl_index); 421 else switch (sdl->sdl_type) { 422 case IFT_ETHER: 423 { 424 register int i; 425 register u_char *lla = (u_char *)sdl->sdl_data + 426 sdl->sdl_nlen; 427 428 cplim = ""; 429 for (i = 0; i < sdl->sdl_alen; i++, lla++) { 430 cp += sprintf(cp, "%s%x", cplim, *lla); 431 cplim = ":"; 432 } 433 cp = workbuf; 434 break; 435 } 436 default: 437 cp = link_ntoa(sdl); 438 break; 439 } 440 break; 441 } 442 443 default: 444 { 445 register u_char *s = (u_char *)sa->sa_data, *slim; 446 447 slim = sa->sa_len + (u_char *) sa; 448 cplim = cp + sizeof(workbuf) - 6; 449 cp += sprintf(cp, "(%d)", sa->sa_family); 450 while (s < slim && cp < cplim) { 451 cp += sprintf(cp, " %02x", *s++); 452 if (s < slim) 453 cp += sprintf(cp, "%02x", *s++); 454 } 455 cp = workbuf; 456 } 457 } 458 if (width < 0 ) 459 printf("%s ", cp); 460 else { 461 if (nflag) 462 printf("%-*s ", width, cp); 463 else 464 printf("%-*.*s ", width, width, cp); 465 } 466} 467 468static void 469p_flags(f, format) 470 register int f; 471 char *format; 472{ 473 char name[33], *flags; 474 register struct bits *p = bits; 475 476 for (flags = name; p->b_mask; p++) 477 if (p->b_mask & f) 478 *flags++ = p->b_val; 479 *flags = '\0'; 480 printf(format, name); 481} 482 483static void 484p_rtentry(rt) 485 register struct rtentry *rt; 486{ 487 static struct ifnet ifnet, *lastif; 488 static char name[16]; 489 static char prettyname[9]; 490 struct sockaddr *sa; 491 struct sockaddr addr, mask; 492 493 /* 494 * Don't print protocol-cloned routes unless -a. 495 */ 496 if(rt->rt_parent && !aflag) 497 return; 498 499 if (!(sa = kgetsa(rt_key(rt)))) 500 bzero(&addr, sizeof addr); 501 else 502 addr = *sa; 503 if (!rt_mask(rt) || !(sa = kgetsa(rt_mask(rt)))) 504 bzero(&mask, sizeof mask); 505 else 506 mask = *sa; 507 p_sockaddr(&addr, &mask, rt->rt_flags, WID_DST); 508 p_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST, WID_GW); 509 p_flags(rt->rt_flags, "%-6.6s "); 510 printf("%6d %8d ", rt->rt_refcnt, rt->rt_use); 511 if (rt->rt_ifp) { 512 if (rt->rt_ifp != lastif) { 513 kget(rt->rt_ifp, ifnet); 514 kread((u_long)ifnet.if_name, name, 16); 515 lastif = rt->rt_ifp; 516 snprintf(prettyname, sizeof prettyname, 517 "%.6s%d", name, ifnet.if_unit); 518 } 519 if(rt->rt_rmx.rmx_expire) { 520 time_t expire_time; 521 522 if ((expire_time 523 =rt->rt_rmx.rmx_expire - time((time_t *)0)) > 0) 524 printf(" %8.8s %6d%s", prettyname, 525 expire_time, 526 rt->rt_nodes[0].rn_dupedkey ? " =>" : ""); 527 } else { 528 printf(" %8.8s%s", prettyname, 529 rt->rt_nodes[0].rn_dupedkey ? " =>" : ""); 530 } 531 532 } 533 putchar('\n'); 534} 535 536char * 537routename(in) 538 u_long in; 539{ 540 register char *cp; 541 static char line[MAXHOSTNAMELEN + 1]; 542 struct hostent *hp; 543 static char domain[MAXHOSTNAMELEN + 1]; 544 static int first = 1; 545 546 if (first) { 547 first = 0; 548 if (gethostname(domain, MAXHOSTNAMELEN) == 0 && 549 (cp = index(domain, '.'))) 550 (void) strcpy(domain, cp + 1); 551 else 552 domain[0] = 0; 553 } 554 cp = 0; 555 if (!nflag) { 556 hp = gethostbyaddr((char *)&in, sizeof (struct in_addr), 557 AF_INET); 558 if (hp) { 559 if ((cp = index(hp->h_name, '.')) && 560 !strcmp(cp + 1, domain)) 561 *cp = 0; 562 cp = hp->h_name; 563 } 564 } 565 if (cp) 566 strncpy(line, cp, sizeof(line) - 1); 567 else { 568#define C(x) ((x) & 0xff) 569 in = ntohl(in); 570 sprintf(line, "%u.%u.%u.%u", 571 C(in >> 24), C(in >> 16), C(in >> 8), C(in)); 572 } 573 return (line); 574} 575 576static u_long 577forgemask(a) 578 u_long a; 579{ 580 u_long m; 581 582 if (IN_CLASSA(a)) 583 m = IN_CLASSA_NET; 584 else if (IN_CLASSB(a)) 585 m = IN_CLASSB_NET; 586 else 587 m = IN_CLASSC_NET; 588 return (m); 589} 590 591static void 592domask(dst, addr, mask) 593 char *dst; 594 u_long addr, mask; 595{ 596 register int b, i; 597 598 if (!mask || (forgemask(addr) == mask)) { 599 *dst = '\0'; 600 return; 601 } 602 i = 0; 603 for (b = 0; b < 32; b++) 604 if (mask & (1 << b)) { 605 register int bb; 606 607 i = b; 608 for (bb = b+1; bb < 32; bb++) 609 if (!(mask & (1 << bb))) { 610 i = -1; /* noncontig */ 611 break; 612 } 613 break; 614 } 615 if (i == -1) 616 sprintf(dst, "&0x%lx", mask); 617 else 618 sprintf(dst, "/%d", 32-i); 619} 620 621/* 622 * Return the name of the network whose address is given. 623 * The address is assumed to be that of a net or subnet, not a host. 624 */ 625char * 626netname(in, mask) 627 u_long in, mask; 628{ 629 char *cp = 0; 630 static char line[MAXHOSTNAMELEN + 1]; 631 struct netent *np = 0; 632 u_long net, omask; 633 register u_long i; 634 int subnetshift; 635 636 i = ntohl(in); 637 omask = mask; 638 if (!nflag && i) { 639 if (mask == 0) { 640 switch (mask = forgemask(i)) { 641 case IN_CLASSA_NET: 642 subnetshift = 8; 643 break; 644 case IN_CLASSB_NET: 645 subnetshift = 8; 646 break; 647 case IN_CLASSC_NET: 648 subnetshift = 4; 649 break; 650 default: 651 abort(); 652 } 653 /* 654 * If there are more bits than the standard mask 655 * would suggest, subnets must be in use. 656 * Guess at the subnet mask, assuming reasonable 657 * width subnet fields. 658 */ 659 while (i &~ mask) 660 mask = (long)mask >> subnetshift; 661 } 662 net = i & mask; 663 while ((mask & 1) == 0) 664 mask >>= 1, net >>= 1; 665 if (!(np = getnetbyaddr(net, AF_INET))) 666 np = getnetbyaddr(i, AF_INET); 667 if (np) 668 cp = np->n_name; 669 } 670 if (cp) 671 strncpy(line, cp, sizeof(line) - 1); 672 else if ((i & 0xffffff) == 0) 673 sprintf(line, "%u", C(i >> 24)); 674 else if ((i & 0xffff) == 0) 675 sprintf(line, "%u.%u", C(i >> 24) , C(i >> 16)); 676 else if ((i & 0xff) == 0) 677 sprintf(line, "%u.%u.%u", C(i >> 24), C(i >> 16), C(i >> 8)); 678 else 679 sprintf(line, "%u.%u.%u.%u", C(i >> 24), 680 C(i >> 16), C(i >> 8), C(i)); 681 domask(line+strlen(line), i, omask); 682 return (line); 683} 684 685/* 686 * Print routing statistics 687 */ 688void 689rt_stats(off) 690 u_long off; 691{ 692 struct rtstat rtstat; 693 694 if (off == 0) { 695 printf("rtstat: symbol not in namelist\n"); 696 return; 697 } 698 kread(off, (char *)&rtstat, sizeof (rtstat)); 699 printf("routing:\n"); 700 printf("\t%u bad routing redirect%s\n", 701 rtstat.rts_badredirect, plural(rtstat.rts_badredirect)); 702 printf("\t%u dynamically created route%s\n", 703 rtstat.rts_dynamic, plural(rtstat.rts_dynamic)); 704 printf("\t%u new gateway%s due to redirects\n", 705 rtstat.rts_newgateway, plural(rtstat.rts_newgateway)); 706 printf("\t%u destination%s found unreachable\n", 707 rtstat.rts_unreach, plural(rtstat.rts_unreach)); 708 printf("\t%u use%s of a wildcard route\n", 709 rtstat.rts_wildcard, plural(rtstat.rts_wildcard)); 710} 711 712char * 713ipx_print(sa) 714 register struct sockaddr *sa; 715{ 716 u_short port; 717 struct netent *np = 0; 718 struct hostent *hp = 0; 719 struct servent *sp = 0; 720 char *net = "", *host = ""; 721 register char *p; register u_char *q; 722 struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr; 723static char mybuf[50]; 724 char cport[10], chost[15], cnet[15]; 725 726 if(!nflag) 727 sp = getservbyport(work.x_port, "ipx"); 728 port = ntohs(work.x_port); 729 730 if (ipx_nullnet(work) && ipx_nullhost(work)) { 731 732 if (port) { 733 if (sp) sprintf(mybuf, "*.%s", sp->s_name); 734 else sprintf(mybuf, "*.%x", port); 735 } else 736 sprintf(mybuf, "*.*"); 737 738 return (mybuf); 739 } 740 741 if (!nflag && (np = getnetbyaddr(*(u_long *)&work.x_net, AF_IPX))) 742 net = np->n_name; 743 else if (ipx_wildnet(work)) 744 net = "any"; 745 else if (ipx_nullnet(work)) 746 net = "*"; 747 else { 748 q = work.x_net.c_net; 749 sprintf(cnet, "%02x%02x%02x%02x", 750 q[0], q[1], q[2], q[3]); 751 for (p = cnet; *p == '0' && p < cnet + 8; p++) 752 continue; 753 net = p; 754 } 755 756 if (!nflag && (hp = gethostbyaddr((char *)&work.x_host, 6, AF_IPX))) 757 host = hp->h_name; 758 else if (ipx_wildhost(work)) 759 host = "any"; 760 else if (ipx_nullhost(work)) 761 host = "*"; 762 else { 763 q = work.x_host.c_host; 764 sprintf(chost, "%02x%02x%02x%02x%02x%02x", 765 q[0], q[1], q[2], q[3], q[4], q[5]); 766 for (p = chost; *p == '0' && p < chost + 12; p++) 767 continue; 768 host = p; 769 } 770 771 if (port) { 772 if (strcmp(host, "*") == 0) host = ""; 773 if (sp) sprintf(cport, "%s%s", *host ? "." : "", sp->s_name); 774 else sprintf(cport, "%s%x", *host ? "." : "", port); 775 } else 776 *cport = 0; 777 778 sprintf(mybuf,"%s.%s%s", net, host, cport); 779 return(mybuf); 780} 781 782char * 783ipx_phost(sa) 784 struct sockaddr *sa; 785{ 786 register struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)sa; 787 struct sockaddr_ipx work; 788static union ipx_net ipx_zeronet; 789 char *p; 790 struct ipx_addr in; 791 struct hostent *hp; 792 793 work = *sipx; 794 in = work.sipx_addr; 795 796 hp = gethostbyaddr((char *)&in, sizeof(struct ipx_addr), AF_IPX); 797 if (hp) return (hp->h_name); 798 799 work.sipx_addr.x_port = 0; 800 work.sipx_addr.x_net = ipx_zeronet; 801 p = ipx_print((struct sockaddr *)&work); 802 if (strncmp("*.", p, 2) == 0) p += 2; 803 804 return(p); 805} 806 807short ns_nullh[] = {0,0,0}; 808short ns_bh[] = {-1,-1,-1}; 809 810char * 811ns_print(sa) 812 register struct sockaddr *sa; 813{ 814 register struct sockaddr_ns *sns = (struct sockaddr_ns*)sa; 815 struct ns_addr work; 816 union { union ns_net net_e; u_long long_e; } net; 817 u_short port; 818 static char mybuf[50], cport[10], chost[25]; 819 char *host = ""; 820 register char *p; register u_char *q; 821 822 work = sns->sns_addr; 823 port = ntohs(work.x_port); 824 work.x_port = 0; 825 net.net_e = work.x_net; 826 if (ns_nullhost(work) && net.long_e == 0) { 827 if (port ) { 828 sprintf(mybuf, "*.%xH", port); 829 upHex(mybuf); 830 } else 831 sprintf(mybuf, "*.*"); 832 return (mybuf); 833 } 834 835 if (bcmp(ns_bh, work.x_host.c_host, 6) == 0) { 836 host = "any"; 837 } else if (bcmp(ns_nullh, work.x_host.c_host, 6) == 0) { 838 host = "*"; 839 } else { 840 q = work.x_host.c_host; 841 sprintf(chost, "%02x%02x%02x%02x%02x%02xH", 842 q[0], q[1], q[2], q[3], q[4], q[5]); 843 for (p = chost; *p == '0' && p < chost + 12; p++) 844 continue; 845 host = p; 846 } 847 if (port) 848 sprintf(cport, ".%xH", htons(port)); 849 else 850 *cport = 0; 851 852 sprintf(mybuf,"%xH.%s%s", ntohl(net.long_e), host, cport); 853 upHex(mybuf); 854 return(mybuf); 855} 856 857char * 858ns_phost(sa) 859 struct sockaddr *sa; 860{ 861 register struct sockaddr_ns *sns = (struct sockaddr_ns *)sa; 862 struct sockaddr_ns work; 863 static union ns_net ns_zeronet; 864 char *p; 865 866 work = *sns; 867 work.sns_addr.x_port = 0; 868 work.sns_addr.x_net = ns_zeronet; 869 870 p = ns_print((struct sockaddr *)&work); 871 if (strncmp("0H.", p, 3) == 0) p += 3; 872 return(p); 873} 874 875void 876upHex(p0) 877 char *p0; 878{ 879 register char *p = p0; 880 for (; *p; p++) switch (*p) { 881 882 case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': 883 *p += ('A' - 'a'); 884 } 885} 886