route.c revision 37452
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 1.31 1998/06/09 04:13:03 imp 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 102typedef union { 103 struct sockaddr u_sa; 104 u_short u_data[128]; 105} sa_u; 106 107static sa_u 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((void)); 120static void ntreestuff __P((void)); 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 *)); 125static u_long forgemask __P((u_long)); 126static void domask __P((char *, u_long, u_long)); 127 128/* 129 * Print routing tables. 130 */ 131void 132routepr(rtree) 133 u_long rtree; 134{ 135 struct radix_node_head *rnh, head; 136 int i; 137 138 printf("Routing tables\n"); 139 140 if (Aflag == 0 && NewTree) 141 ntreestuff(); 142 else { 143 if (rtree == 0) { 144 printf("rt_tables: symbol not in namelist\n"); 145 return; 146 } 147 148 kget(rtree, rt_tables); 149 for (i = 0; i <= AF_MAX; i++) { 150 if ((rnh = rt_tables[i]) == 0) 151 continue; 152 kget(rnh, head); 153 if (i == AF_UNSPEC) { 154 if (Aflag && af == 0) { 155 printf("Netmasks:\n"); 156 p_tree(head.rnh_treetop); 157 } 158 } else if (af == AF_UNSPEC || af == i) { 159 pr_family(i); 160 do_rtent = 1; 161 pr_rthdr(); 162 p_tree(head.rnh_treetop); 163 } 164 } 165 } 166} 167 168/* 169 * Print address family header before a section of the routing table. 170 */ 171void 172pr_family(af) 173 int af; 174{ 175 char *afname; 176 177 switch (af) { 178 case AF_INET: 179 afname = "Internet"; 180 break; 181 case AF_IPX: 182 afname = "IPX"; 183 break; 184#ifdef NS 185 case AF_NS: 186 afname = "XNS"; 187 break; 188#endif 189 case AF_ISO: 190 afname = "ISO"; 191 break; 192 case AF_APPLETALK: 193 afname = "AppleTalk"; 194 break; 195 case AF_CCITT: 196 afname = "X.25"; 197 break; 198 default: 199 afname = NULL; 200 break; 201 } 202 if (afname) 203 printf("\n%s:\n", afname); 204 else 205 printf("\nProtocol Family %d:\n", af); 206} 207 208/* column widths; each followed by one space */ 209#define WID_DST 18 /* width of destination column */ 210#define WID_GW 18 /* width of gateway column */ 211 212/* 213 * Print header for routing table columns. 214 */ 215void 216pr_rthdr() 217{ 218 if (Aflag) 219 printf("%-8.8s ","Address"); 220 printf("%-*.*s %-*.*s %-6.6s %6.6s%8.8s %8.8s %6s\n", 221 WID_DST, WID_DST, "Destination", 222 WID_GW, WID_GW, "Gateway", 223 "Flags", "Refs", "Use", "Netif", "Expire"); 224} 225 226static struct sockaddr * 227kgetsa(dst) 228 register struct sockaddr *dst; 229{ 230 231 kget(dst, pt_u.u_sa); 232 if (pt_u.u_sa.sa_len > sizeof (pt_u.u_sa)) 233 kread((u_long)dst, (char *)pt_u.u_data, pt_u.u_sa.sa_len); 234 return (&pt_u.u_sa); 235} 236 237static void 238p_tree(rn) 239 struct radix_node *rn; 240{ 241 242again: 243 kget(rn, rnode); 244 if (rnode.rn_b < 0) { 245 if (Aflag) 246 printf("%-8.8x ", (int)rn); 247 if (rnode.rn_flags & RNF_ROOT) { 248 if (Aflag) 249 printf("(root node)%s", 250 rnode.rn_dupedkey ? " =>\n" : "\n"); 251 } else if (do_rtent) { 252 kget(rn, rtentry); 253 p_rtentry(&rtentry); 254 if (Aflag) 255 p_rtnode(); 256 } else { 257 p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_key), 258 NULL, 0, 44); 259 putchar('\n'); 260 } 261 if ((rn = rnode.rn_dupedkey)) 262 goto again; 263 } else { 264 if (Aflag && do_rtent) { 265 printf("%-8.8x ", (int)rn); 266 p_rtnode(); 267 } 268 rn = rnode.rn_r; 269 p_tree(rnode.rn_l); 270 p_tree(rn); 271 } 272} 273 274char nbuf[20]; 275 276static void 277p_rtnode() 278{ 279 struct radix_mask *rm = rnode.rn_mklist; 280 281 if (rnode.rn_b < 0) { 282 if (rnode.rn_mask) { 283 printf("\t mask "); 284 p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_mask), 285 NULL, 0, -1); 286 } else if (rm == 0) 287 return; 288 } else { 289 sprintf(nbuf, "(%d)", rnode.rn_b); 290 printf("%6.6s %8.8x : %8.8x", nbuf, (int)rnode.rn_l, (int)rnode.rn_r); 291 } 292 while (rm) { 293 kget(rm, rmask); 294 sprintf(nbuf, " %d refs, ", rmask.rm_refs); 295 printf(" mk = %8.8x {(%d),%s", 296 (int)rm, -1 - rmask.rm_b, rmask.rm_refs ? nbuf : " "); 297 if (rmask.rm_flags & RNF_NORMAL) { 298 struct radix_node rnode_aux; 299 printf(" <normal>, "); 300 kget(rmask.rm_leaf, rnode_aux); 301 p_sockaddr(kgetsa((struct sockaddr *)rnode_aux.rn_mask), 302 NULL, 0, -1); 303 } else 304 p_sockaddr(kgetsa((struct sockaddr *)rmask.rm_mask), 305 NULL, 0, -1); 306 putchar('}'); 307 if ((rm = rmask.rm_mklist)) 308 printf(" ->"); 309 } 310 putchar('\n'); 311} 312 313static void 314ntreestuff() 315{ 316 size_t needed; 317 int mib[6]; 318 char *buf, *next, *lim; 319 register struct rt_msghdr *rtm; 320 321 mib[0] = CTL_NET; 322 mib[1] = PF_ROUTE; 323 mib[2] = 0; 324 mib[3] = 0; 325 mib[4] = NET_RT_DUMP; 326 mib[5] = 0; 327 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) { 328 err(1, "sysctl: net.route.0.0.dump estimate"); 329 } 330 331 if ((buf = malloc(needed)) == 0) { 332 err(2, "malloc(%lu)", (unsigned long)needed); 333 } 334 if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) { 335 err(1, "sysctl: net.route.0.0.dump"); 336 } 337 lim = buf + needed; 338 for (next = buf; next < lim; next += rtm->rtm_msglen) { 339 rtm = (struct rt_msghdr *)next; 340 np_rtentry(rtm); 341 } 342} 343 344static void 345np_rtentry(rtm) 346 register struct rt_msghdr *rtm; 347{ 348 register struct sockaddr *sa = (struct sockaddr *)(rtm + 1); 349#ifdef notdef 350 static int masks_done, banner_printed; 351#endif 352 static int old_af; 353 int af = 0, interesting = RTF_UP | RTF_GATEWAY | RTF_HOST; 354 355#ifdef notdef 356 /* for the moment, netmasks are skipped over */ 357 if (!banner_printed) { 358 printf("Netmasks:\n"); 359 banner_printed = 1; 360 } 361 if (masks_done == 0) { 362 if (rtm->rtm_addrs != RTA_DST ) { 363 masks_done = 1; 364 af = sa->sa_family; 365 } 366 } else 367#endif 368 af = sa->sa_family; 369 if (af != old_af) { 370 pr_family(af); 371 old_af = af; 372 } 373 if (rtm->rtm_addrs == RTA_DST) 374 p_sockaddr(sa, NULL, 0, 36); 375 else { 376 p_sockaddr(sa, NULL, rtm->rtm_flags, 16); 377 if (sa->sa_len == 0) 378 sa->sa_len = sizeof(long); 379 sa = (struct sockaddr *)(sa->sa_len + (char *)sa); 380 p_sockaddr(sa, NULL, 0, 18); 381 } 382 p_flags(rtm->rtm_flags & interesting, "%-6.6s "); 383 putchar('\n'); 384} 385 386static void 387p_sockaddr(sa, mask, flags, width) 388 struct sockaddr *sa, *mask; 389 int flags, width; 390{ 391 char workbuf[128], *cplim; 392 register char *cp = workbuf; 393 394 switch(sa->sa_family) { 395 case AF_INET: 396 { 397 register struct sockaddr_in *sin = (struct sockaddr_in *)sa; 398 399 if (sin->sin_addr.s_addr == INADDR_ANY) 400 cp = "default"; 401 else if (flags & RTF_HOST) 402 cp = routename(sin->sin_addr.s_addr); 403 else if (mask) 404 cp = netname(sin->sin_addr.s_addr, 405 ntohl(((struct sockaddr_in *)mask) 406 ->sin_addr.s_addr)); 407 else 408 cp = netname(sin->sin_addr.s_addr, 0L); 409 break; 410 } 411 412 case AF_IPX: 413 { 414 struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr; 415 if (ipx_nullnet(satoipx_addr(work))) 416 cp = "default"; 417 else 418 cp = ipx_print(sa); 419 break; 420 } 421 case AF_APPLETALK: 422 { 423 if (!(flags & RTF_HOST) && mask) 424 cp = atalk_print2(sa,mask,9); 425 else 426 cp = atalk_print(sa,11); 427 break; 428 } 429#ifdef NS 430 case AF_NS: 431 cp = ns_print(sa); 432 break; 433#endif 434 435 case AF_LINK: 436 { 437 register struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa; 438 439 if (sdl->sdl_nlen == 0 && sdl->sdl_alen == 0 && 440 sdl->sdl_slen == 0) 441 (void) sprintf(workbuf, "link#%d", sdl->sdl_index); 442 else 443 switch (sdl->sdl_type) { 444 445 case IFT_ETHER: 446 { 447 register int i; 448 register u_char *lla = (u_char *)sdl->sdl_data + 449 sdl->sdl_nlen; 450 451 cplim = ""; 452 for (i = 0; i < sdl->sdl_alen; i++, lla++) { 453 cp += sprintf(cp, "%s%x", cplim, *lla); 454 cplim = ":"; 455 } 456 cp = workbuf; 457 break; 458 } 459 460 default: 461 cp = link_ntoa(sdl); 462 break; 463 } 464 break; 465 } 466 467 default: 468 { 469 register u_char *s = (u_char *)sa->sa_data, *slim; 470 471 slim = sa->sa_len + (u_char *) sa; 472 cplim = cp + sizeof(workbuf) - 6; 473 cp += sprintf(cp, "(%d)", sa->sa_family); 474 while (s < slim && cp < cplim) { 475 cp += sprintf(cp, " %02x", *s++); 476 if (s < slim) 477 cp += sprintf(cp, "%02x", *s++); 478 } 479 cp = workbuf; 480 } 481 } 482 if (width < 0 ) 483 printf("%s ", cp); 484 else { 485 if (nflag) 486 printf("%-*s ", width, cp); 487 else 488 printf("%-*.*s ", width, width, cp); 489 } 490} 491 492static void 493p_flags(f, format) 494 register int f; 495 char *format; 496{ 497 char name[33], *flags; 498 register struct bits *p = bits; 499 500 for (flags = name; p->b_mask; p++) 501 if (p->b_mask & f) 502 *flags++ = p->b_val; 503 *flags = '\0'; 504 printf(format, name); 505} 506 507static void 508p_rtentry(rt) 509 register struct rtentry *rt; 510{ 511 static struct ifnet ifnet, *lastif; 512 static char name[16]; 513 static char prettyname[9]; 514 struct sockaddr *sa; 515 sa_u addr, mask; 516 517 /* 518 * Don't print protocol-cloned routes unless -a. 519 */ 520 if (rt->rt_parent && !aflag) 521 return; 522 523 bzero(&addr, sizeof(addr)); 524 if ((sa = kgetsa(rt_key(rt)))) 525 bcopy(sa, &addr, sa->sa_len); 526 bzero(&mask, sizeof(mask)); 527 if (rt_mask(rt) && (sa = kgetsa(rt_mask(rt)))) 528 bcopy(sa, &mask, sa->sa_len); 529 p_sockaddr(&addr.u_sa, &mask.u_sa, 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 line[sizeof(line) - 1] = '\0'; 577 } else { 578#define C(x) ((x) & 0xff) 579 in = ntohl(in); 580 sprintf(line, "%lu.%lu.%lu.%lu", 581 C(in >> 24), C(in >> 16), C(in >> 8), C(in)); 582 } 583 return (line); 584} 585 586static u_long 587forgemask(a) 588 u_long a; 589{ 590 u_long m; 591 592 if (IN_CLASSA(a)) 593 m = IN_CLASSA_NET; 594 else if (IN_CLASSB(a)) 595 m = IN_CLASSB_NET; 596 else 597 m = IN_CLASSC_NET; 598 return (m); 599} 600 601static void 602domask(dst, addr, mask) 603 char *dst; 604 u_long addr, mask; 605{ 606 register int b, i; 607 608 if (!mask || (forgemask(addr) == mask)) { 609 *dst = '\0'; 610 return; 611 } 612 i = 0; 613 for (b = 0; b < 32; b++) 614 if (mask & (1 << b)) { 615 register int bb; 616 617 i = b; 618 for (bb = b+1; bb < 32; bb++) 619 if (!(mask & (1 << bb))) { 620 i = -1; /* noncontig */ 621 break; 622 } 623 break; 624 } 625 if (i == -1) 626 sprintf(dst, "&0x%lx", mask); 627 else 628 sprintf(dst, "/%d", 32-i); 629} 630 631/* 632 * Return the name of the network whose address is given. 633 * The address is assumed to be that of a net or subnet, not a host. 634 */ 635char * 636netname(in, mask) 637 u_long in, mask; 638{ 639 char *cp = 0; 640 static char line[MAXHOSTNAMELEN + 1]; 641 struct netent *np = 0; 642 u_long net, omask, dmask; 643 register u_long i; 644 645 i = ntohl(in); 646 omask = mask; 647 if (!nflag && i) { 648 dmask = forgemask(i); 649 net = i & dmask; 650 if (!(np = getnetbyaddr(i, AF_INET)) && net != i) 651 np = getnetbyaddr(net, AF_INET); 652 if (np) { 653 cp = np->n_name; 654 trimdomain(cp); 655 } 656 } 657 if (cp) 658 strncpy(line, cp, sizeof(line) - 1); 659 else if ((i & 0xffffff) == 0) 660 sprintf(line, "%lu", C(i >> 24)); 661 else if ((i & 0xffff) == 0) 662 sprintf(line, "%lu.%lu", C(i >> 24) , C(i >> 16)); 663 else if ((i & 0xff) == 0) 664 sprintf(line, "%lu.%lu.%lu", C(i >> 24), C(i >> 16), C(i >> 8)); 665 else 666 sprintf(line, "%lu.%lu.%lu.%lu", C(i >> 24), 667 C(i >> 16), C(i >> 8), C(i)); 668 domask(line+strlen(line), i, omask); 669 return (line); 670} 671 672/* 673 * Print routing statistics 674 */ 675void 676rt_stats(off) 677 u_long off; 678{ 679 struct rtstat rtstat; 680 681 if (off == 0) { 682 printf("rtstat: symbol not in namelist\n"); 683 return; 684 } 685 kread(off, (char *)&rtstat, sizeof (rtstat)); 686 printf("routing:\n"); 687 printf("\t%u bad routing redirect%s\n", 688 rtstat.rts_badredirect, plural(rtstat.rts_badredirect)); 689 printf("\t%u dynamically created route%s\n", 690 rtstat.rts_dynamic, plural(rtstat.rts_dynamic)); 691 printf("\t%u new gateway%s due to redirects\n", 692 rtstat.rts_newgateway, plural(rtstat.rts_newgateway)); 693 printf("\t%u destination%s found unreachable\n", 694 rtstat.rts_unreach, plural(rtstat.rts_unreach)); 695 printf("\t%u use%s of a wildcard route\n", 696 rtstat.rts_wildcard, plural(rtstat.rts_wildcard)); 697} 698 699char * 700ipx_print(sa) 701 register struct sockaddr *sa; 702{ 703 u_short port; 704 struct servent *sp = 0; 705 char *net = "", *host = ""; 706 register char *p; 707 register u_char *q; 708 struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr; 709 static char mybuf[50]; 710 char cport[10], chost[15], cnet[15]; 711 712 port = ntohs(work.x_port); 713 714 if (ipx_nullnet(work) && ipx_nullhost(work)) { 715 716 if (port) { 717 if (sp) 718 sprintf(mybuf, "*.%s", sp->s_name); 719 else 720 sprintf(mybuf, "*.%x", port); 721 } else 722 sprintf(mybuf, "*.*"); 723 724 return (mybuf); 725 } 726 727 if (ipx_wildnet(work)) 728 net = "any"; 729 else if (ipx_nullnet(work)) 730 net = "*"; 731 else { 732 q = work.x_net.c_net; 733 sprintf(cnet, "%02x%02x%02x%02x", 734 q[0], q[1], q[2], q[3]); 735 for (p = cnet; *p == '0' && p < cnet + 8; p++) 736 continue; 737 net = p; 738 } 739 740 if (ipx_wildhost(work)) 741 host = "any"; 742 else if (ipx_nullhost(work)) 743 host = "*"; 744 else { 745 q = work.x_host.c_host; 746 sprintf(chost, "%02x%02x%02x%02x%02x%02x", 747 q[0], q[1], q[2], q[3], q[4], q[5]); 748 for (p = chost; *p == '0' && p < chost + 12; p++) 749 continue; 750 host = p; 751 } 752 753 if (port) { 754 if (strcmp(host, "*") == 0) 755 host = ""; 756 if (sp) 757 snprintf(cport, sizeof(cport), 758 "%s%s", *host ? "." : "", sp->s_name); 759 else 760 snprintf(cport, sizeof(cport), 761 "%s%x", *host ? "." : "", port); 762 } else 763 *cport = 0; 764 765 snprintf(mybuf, sizeof(mybuf), "%s.%s%s", net, host, cport); 766 return(mybuf); 767} 768 769char * 770ipx_phost(sa) 771 struct sockaddr *sa; 772{ 773 register struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)sa; 774 struct sockaddr_ipx work; 775 static union ipx_net ipx_zeronet; 776 char *p; 777 struct ipx_addr in; 778 779 work = *sipx; 780 in = work.sipx_addr; 781 782 work.sipx_addr.x_port = 0; 783 work.sipx_addr.x_net = ipx_zeronet; 784 p = ipx_print((struct sockaddr *)&work); 785 if (strncmp("*.", p, 2) == 0) p += 2; 786 787 return(p); 788} 789 790#ifdef NS 791short ns_nullh[] = {0,0,0}; 792short ns_bh[] = {-1,-1,-1}; 793 794char * 795ns_print(sa) 796 register struct sockaddr *sa; 797{ 798 register struct sockaddr_ns *sns = (struct sockaddr_ns*)sa; 799 struct ns_addr work; 800 union { union ns_net net_e; u_long long_e; } net; 801 u_short port; 802 static char mybuf[50], cport[10], chost[25]; 803 char *host = ""; 804 register char *p; register u_char *q; 805 806 work = sns->sns_addr; 807 port = ntohs(work.x_port); 808 work.x_port = 0; 809 net.net_e = work.x_net; 810 if (ns_nullhost(work) && net.long_e == 0) { 811 if (port ) { 812 sprintf(mybuf, "*.%xH", port); 813 upHex(mybuf); 814 } else 815 sprintf(mybuf, "*.*"); 816 return (mybuf); 817 } 818 819 if (bcmp(ns_bh, work.x_host.c_host, 6) == 0) { 820 host = "any"; 821 } else if (bcmp(ns_nullh, work.x_host.c_host, 6) == 0) { 822 host = "*"; 823 } else { 824 q = work.x_host.c_host; 825 sprintf(chost, "%02x%02x%02x%02x%02x%02xH", 826 q[0], q[1], q[2], q[3], q[4], q[5]); 827 for (p = chost; *p == '0' && p < chost + 12; p++) 828 continue; 829 host = p; 830 } 831 if (port) 832 sprintf(cport, ".%xH", htons(port)); 833 else 834 *cport = 0; 835 836 sprintf(mybuf,"%xH.%s%s", ntohl(net.long_e), host, cport); 837 upHex(mybuf); 838 return(mybuf); 839} 840 841char * 842ns_phost(sa) 843 struct sockaddr *sa; 844{ 845 register struct sockaddr_ns *sns = (struct sockaddr_ns *)sa; 846 struct sockaddr_ns work; 847 static union ns_net ns_zeronet; 848 char *p; 849 850 work = *sns; 851 work.sns_addr.x_port = 0; 852 work.sns_addr.x_net = ns_zeronet; 853 854 p = ns_print((struct sockaddr *)&work); 855 if (strncmp("0H.", p, 3) == 0) 856 p += 3; 857 return(p); 858} 859#endif 860 861void 862upHex(p0) 863 char *p0; 864{ 865 register char *p = p0; 866 867 for (; *p; p++) 868 switch (*p) { 869 870 case 'a': 871 case 'b': 872 case 'c': 873 case 'd': 874 case 'e': 875 case 'f': 876 *p += ('A' - 'a'); 877 break; 878 } 879} 880