route.c revision 35308
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 1.28 1997/07/29 06:51:41 charnier Exp $"; 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 */ 77struct 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 102static union { 103 struct sockaddr u_sa; 104 u_short u_data[128]; 105} pt_u; 106 107int do_rtent = 0; 108struct rtentry rtentry; 109struct radix_node rnode; 110struct radix_mask rmask; 111struct radix_node_head *rt_tables[AF_MAX+1]; 112 113int NewTree = 0; 114 115static struct sockaddr *kgetsa __P((struct sockaddr *)); 116static void p_tree __P((struct radix_node *)); 117static void p_rtnode __P((void)); 118static void ntreestuff __P((void)); 119static void np_rtentry __P((struct rt_msghdr *)); 120static void p_sockaddr __P((struct sockaddr *, struct sockaddr *, int, int)); 121static void p_flags __P((int, char *)); 122static void p_rtentry __P((struct rtentry *)); 123static u_long forgemask __P((u_long)); 124static void domask __P((char *, u_long, u_long)); 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 (!(flags & RTF_HOST) && mask) 422 cp = atalk_print2(sa,mask,9); 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 441 switch (sdl->sdl_type) { 442 443 case IFT_ETHER: 444 { 445 register int i; 446 register u_char *lla = (u_char *)sdl->sdl_data + 447 sdl->sdl_nlen; 448 449 cplim = ""; 450 for (i = 0; i < sdl->sdl_alen; i++, lla++) { 451 cp += sprintf(cp, "%s%x", cplim, *lla); 452 cplim = ":"; 453 } 454 cp = workbuf; 455 break; 456 } 457 458 default: 459 cp = link_ntoa(sdl); 460 break; 461 } 462 break; 463 } 464 465 default: 466 { 467 register u_char *s = (u_char *)sa->sa_data, *slim; 468 469 slim = sa->sa_len + (u_char *) sa; 470 cplim = cp + sizeof(workbuf) - 6; 471 cp += sprintf(cp, "(%d)", sa->sa_family); 472 while (s < slim && cp < cplim) { 473 cp += sprintf(cp, " %02x", *s++); 474 if (s < slim) 475 cp += sprintf(cp, "%02x", *s++); 476 } 477 cp = workbuf; 478 } 479 } 480 if (width < 0 ) 481 printf("%s ", cp); 482 else { 483 if (nflag) 484 printf("%-*s ", width, cp); 485 else 486 printf("%-*.*s ", width, width, cp); 487 } 488} 489 490static void 491p_flags(f, format) 492 register int f; 493 char *format; 494{ 495 char name[33], *flags; 496 register struct bits *p = bits; 497 498 for (flags = name; p->b_mask; p++) 499 if (p->b_mask & f) 500 *flags++ = p->b_val; 501 *flags = '\0'; 502 printf(format, name); 503} 504 505static void 506p_rtentry(rt) 507 register struct rtentry *rt; 508{ 509 static struct ifnet ifnet, *lastif; 510 static char name[16]; 511 static char prettyname[9]; 512 struct sockaddr *sa; 513 struct sockaddr addr, mask; 514 515 /* 516 * Don't print protocol-cloned routes unless -a. 517 */ 518 if (rt->rt_parent && !aflag) 519 return; 520 521 if (!(sa = kgetsa(rt_key(rt)))) 522 bzero(&addr, sizeof addr); 523 else 524 addr = *sa; 525 if (!rt_mask(rt) || !(sa = kgetsa(rt_mask(rt)))) 526 bzero(&mask, sizeof mask); 527 else 528 mask = *sa; 529 p_sockaddr(&addr, &mask, rt->rt_flags, WID_DST); 530 p_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST, WID_GW); 531 p_flags(rt->rt_flags, "%-6.6s "); 532 printf("%6d %8ld ", rt->rt_refcnt, rt->rt_use); 533 if (rt->rt_ifp) { 534 if (rt->rt_ifp != lastif) { 535 kget(rt->rt_ifp, ifnet); 536 kread((u_long)ifnet.if_name, name, 16); 537 lastif = rt->rt_ifp; 538 snprintf(prettyname, sizeof prettyname, 539 "%.6s%d", name, ifnet.if_unit); 540 } 541 printf("%8.8s", prettyname); 542 if (rt->rt_rmx.rmx_expire) { 543 time_t expire_time; 544 545 if ((expire_time = 546 rt->rt_rmx.rmx_expire - time((time_t *)0)) > 0) 547 printf(" %6d%s", (int)expire_time, 548 rt->rt_nodes[0].rn_dupedkey ? " =>" : ""); 549 } else if (rt->rt_nodes[0].rn_dupedkey) { 550 printf(" =>"); 551 } 552 553 } 554 putchar('\n'); 555} 556 557char * 558routename(in) 559 u_long in; 560{ 561 register char *cp; 562 static char line[MAXHOSTNAMELEN + 1]; 563 struct hostent *hp; 564 565 cp = 0; 566 if (!nflag) { 567 hp = gethostbyaddr((char *)&in, sizeof (struct in_addr), 568 AF_INET); 569 if (hp) { 570 cp = hp->h_name; 571 trimdomain(cp); 572 } 573 } 574 if (cp) 575 strncpy(line, cp, sizeof(line) - 1); 576 else { 577#define C(x) ((x) & 0xff) 578 in = ntohl(in); 579 sprintf(line, "%lu.%lu.%lu.%lu", 580 C(in >> 24), C(in >> 16), C(in >> 8), C(in)); 581 } 582 return (line); 583} 584 585static u_long 586forgemask(a) 587 u_long a; 588{ 589 u_long m; 590 591 if (IN_CLASSA(a)) 592 m = IN_CLASSA_NET; 593 else if (IN_CLASSB(a)) 594 m = IN_CLASSB_NET; 595 else 596 m = IN_CLASSC_NET; 597 return (m); 598} 599 600static void 601domask(dst, addr, mask) 602 char *dst; 603 u_long addr, mask; 604{ 605 register int b, i; 606 607 if (!mask || (forgemask(addr) == mask)) { 608 *dst = '\0'; 609 return; 610 } 611 i = 0; 612 for (b = 0; b < 32; b++) 613 if (mask & (1 << b)) { 614 register int bb; 615 616 i = b; 617 for (bb = b+1; bb < 32; bb++) 618 if (!(mask & (1 << bb))) { 619 i = -1; /* noncontig */ 620 break; 621 } 622 break; 623 } 624 if (i == -1) 625 sprintf(dst, "&0x%lx", mask); 626 else 627 sprintf(dst, "/%d", 32-i); 628} 629 630/* 631 * Return the name of the network whose address is given. 632 * The address is assumed to be that of a net or subnet, not a host. 633 */ 634char * 635netname(in, mask) 636 u_long in, mask; 637{ 638 char *cp = 0; 639 static char line[MAXHOSTNAMELEN + 1]; 640 struct netent *np = 0; 641 u_long net, omask, dmask; 642 register u_long i; 643 644 i = ntohl(in); 645 omask = mask; 646 if (!nflag && i) { 647 dmask = forgemask(i); 648 net = i & dmask; 649 if (!(np = getnetbyaddr(i, AF_INET)) && net != i) 650 np = getnetbyaddr(net, AF_INET); 651 if (np) { 652 cp = np->n_name; 653 trimdomain(cp); 654 } 655 } 656 if (cp) 657 strncpy(line, cp, sizeof(line) - 1); 658 else if ((i & 0xffffff) == 0) 659 sprintf(line, "%lu", C(i >> 24)); 660 else if ((i & 0xffff) == 0) 661 sprintf(line, "%lu.%lu", C(i >> 24) , C(i >> 16)); 662 else if ((i & 0xff) == 0) 663 sprintf(line, "%lu.%lu.%lu", C(i >> 24), C(i >> 16), C(i >> 8)); 664 else 665 sprintf(line, "%lu.%lu.%lu.%lu", C(i >> 24), 666 C(i >> 16), C(i >> 8), C(i)); 667 domask(line+strlen(line), i, omask); 668 return (line); 669} 670 671/* 672 * Print routing statistics 673 */ 674void 675rt_stats(off) 676 u_long off; 677{ 678 struct rtstat rtstat; 679 680 if (off == 0) { 681 printf("rtstat: symbol not in namelist\n"); 682 return; 683 } 684 kread(off, (char *)&rtstat, sizeof (rtstat)); 685 printf("routing:\n"); 686 printf("\t%u bad routing redirect%s\n", 687 rtstat.rts_badredirect, plural(rtstat.rts_badredirect)); 688 printf("\t%u dynamically created route%s\n", 689 rtstat.rts_dynamic, plural(rtstat.rts_dynamic)); 690 printf("\t%u new gateway%s due to redirects\n", 691 rtstat.rts_newgateway, plural(rtstat.rts_newgateway)); 692 printf("\t%u destination%s found unreachable\n", 693 rtstat.rts_unreach, plural(rtstat.rts_unreach)); 694 printf("\t%u use%s of a wildcard route\n", 695 rtstat.rts_wildcard, plural(rtstat.rts_wildcard)); 696} 697 698char * 699ipx_print(sa) 700 register struct sockaddr *sa; 701{ 702 u_short port; 703 struct servent *sp = 0; 704 char *net = "", *host = ""; 705 register char *p; 706 register u_char *q; 707 struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr; 708 static char mybuf[50]; 709 char cport[10], chost[15], cnet[15]; 710 711 port = ntohs(work.x_port); 712 713 if (ipx_nullnet(work) && ipx_nullhost(work)) { 714 715 if (port) { 716 if (sp) 717 sprintf(mybuf, "*.%s", sp->s_name); 718 else 719 sprintf(mybuf, "*.%x", port); 720 } else 721 sprintf(mybuf, "*.*"); 722 723 return (mybuf); 724 } 725 726 if (ipx_wildnet(work)) 727 net = "any"; 728 else if (ipx_nullnet(work)) 729 net = "*"; 730 else { 731 q = work.x_net.c_net; 732 sprintf(cnet, "%02x%02x%02x%02x", 733 q[0], q[1], q[2], q[3]); 734 for (p = cnet; *p == '0' && p < cnet + 8; p++) 735 continue; 736 net = p; 737 } 738 739 if (ipx_wildhost(work)) 740 host = "any"; 741 else if (ipx_nullhost(work)) 742 host = "*"; 743 else { 744 q = work.x_host.c_host; 745 sprintf(chost, "%02x%02x%02x%02x%02x%02x", 746 q[0], q[1], q[2], q[3], q[4], q[5]); 747 for (p = chost; *p == '0' && p < chost + 12; p++) 748 continue; 749 host = p; 750 } 751 752 if (port) { 753 if (strcmp(host, "*") == 0) 754 host = ""; 755 if (sp) 756 sprintf(cport, "%s%s", *host ? "." : "", sp->s_name); 757 else 758 sprintf(cport, "%s%x", *host ? "." : "", port); 759 } else 760 *cport = 0; 761 762 sprintf(mybuf,"%s.%s%s", net, host, cport); 763 return(mybuf); 764} 765 766char * 767ipx_phost(sa) 768 struct sockaddr *sa; 769{ 770 register struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)sa; 771 struct sockaddr_ipx work; 772 static union ipx_net ipx_zeronet; 773 char *p; 774 struct ipx_addr in; 775 776 work = *sipx; 777 in = work.sipx_addr; 778 779 work.sipx_addr.x_port = 0; 780 work.sipx_addr.x_net = ipx_zeronet; 781 p = ipx_print((struct sockaddr *)&work); 782 if (strncmp("*.", p, 2) == 0) p += 2; 783 784 return(p); 785} 786 787#ifdef NS 788short ns_nullh[] = {0,0,0}; 789short ns_bh[] = {-1,-1,-1}; 790 791char * 792ns_print(sa) 793 register struct sockaddr *sa; 794{ 795 register struct sockaddr_ns *sns = (struct sockaddr_ns*)sa; 796 struct ns_addr work; 797 union { union ns_net net_e; u_long long_e; } net; 798 u_short port; 799 static char mybuf[50], cport[10], chost[25]; 800 char *host = ""; 801 register char *p; register u_char *q; 802 803 work = sns->sns_addr; 804 port = ntohs(work.x_port); 805 work.x_port = 0; 806 net.net_e = work.x_net; 807 if (ns_nullhost(work) && net.long_e == 0) { 808 if (port ) { 809 sprintf(mybuf, "*.%xH", port); 810 upHex(mybuf); 811 } else 812 sprintf(mybuf, "*.*"); 813 return (mybuf); 814 } 815 816 if (bcmp(ns_bh, work.x_host.c_host, 6) == 0) { 817 host = "any"; 818 } else if (bcmp(ns_nullh, work.x_host.c_host, 6) == 0) { 819 host = "*"; 820 } else { 821 q = work.x_host.c_host; 822 sprintf(chost, "%02x%02x%02x%02x%02x%02xH", 823 q[0], q[1], q[2], q[3], q[4], q[5]); 824 for (p = chost; *p == '0' && p < chost + 12; p++) 825 continue; 826 host = p; 827 } 828 if (port) 829 sprintf(cport, ".%xH", htons(port)); 830 else 831 *cport = 0; 832 833 sprintf(mybuf,"%xH.%s%s", ntohl(net.long_e), host, cport); 834 upHex(mybuf); 835 return(mybuf); 836} 837 838char * 839ns_phost(sa) 840 struct sockaddr *sa; 841{ 842 register struct sockaddr_ns *sns = (struct sockaddr_ns *)sa; 843 struct sockaddr_ns work; 844 static union ns_net ns_zeronet; 845 char *p; 846 847 work = *sns; 848 work.sns_addr.x_port = 0; 849 work.sns_addr.x_net = ns_zeronet; 850 851 p = ns_print((struct sockaddr *)&work); 852 if (strncmp("0H.", p, 3) == 0) 853 p += 3; 854 return(p); 855} 856#endif 857 858void 859upHex(p0) 860 char *p0; 861{ 862 register char *p = p0; 863 864 for (; *p; p++) 865 switch (*p) { 866 867 case 'a': 868 case 'b': 869 case 'c': 870 case 'd': 871 case 'e': 872 case 'f': 873 *p += ('A' - 'a'); 874 break; 875 } 876} 877