route.c revision 52445
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 "$FreeBSD: head/usr.bin/netstat/route.c 52445 1999-10-23 17:45:11Z dillon $"; 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#include <netgraph/ng_socket.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 103typedef union { 104 long dummy; /* Helps align structure. */ 105 struct sockaddr u_sa; 106 u_short u_data[128]; 107} sa_u; 108 109static sa_u pt_u; 110 111int do_rtent = 0; 112struct rtentry rtentry; 113struct radix_node rnode; 114struct radix_mask rmask; 115struct radix_node_head *rt_tables[AF_MAX+1]; 116 117int NewTree = 0; 118 119static struct sockaddr *kgetsa __P((struct sockaddr *)); 120static void p_tree __P((struct radix_node *)); 121static void p_rtnode __P((void)); 122static void ntreestuff __P((void)); 123static void np_rtentry __P((struct rt_msghdr *)); 124static void p_sockaddr __P((struct sockaddr *, struct sockaddr *, int, int)); 125static void p_flags __P((int, char *)); 126static void p_rtentry __P((struct rtentry *)); 127static u_long forgemask __P((u_long)); 128static void domask __P((char *, u_long, u_long)); 129 130/* 131 * Print routing tables. 132 */ 133void 134routepr(rtree) 135 u_long rtree; 136{ 137 struct radix_node_head *rnh, head; 138 int i; 139 140 printf("Routing tables\n"); 141 142 if (Aflag == 0 && NewTree) 143 ntreestuff(); 144 else { 145 if (rtree == 0) { 146 printf("rt_tables: symbol not in namelist\n"); 147 return; 148 } 149 150 kget(rtree, rt_tables); 151 for (i = 0; i <= AF_MAX; i++) { 152 if ((rnh = rt_tables[i]) == 0) 153 continue; 154 kget(rnh, head); 155 if (i == AF_UNSPEC) { 156 if (Aflag && af == 0) { 157 printf("Netmasks:\n"); 158 p_tree(head.rnh_treetop); 159 } 160 } else if (af == AF_UNSPEC || af == i) { 161 pr_family(i); 162 do_rtent = 1; 163 pr_rthdr(); 164 p_tree(head.rnh_treetop); 165 } 166 } 167 } 168} 169 170/* 171 * Print address family header before a section of the routing table. 172 */ 173void 174pr_family(af) 175 int af; 176{ 177 char *afname; 178 179 switch (af) { 180 case AF_INET: 181 afname = "Internet"; 182 break; 183 case AF_IPX: 184 afname = "IPX"; 185 break; 186#ifdef NS 187 case AF_NS: 188 afname = "XNS"; 189 break; 190#endif 191 case AF_ISO: 192 afname = "ISO"; 193 break; 194 case AF_APPLETALK: 195 afname = "AppleTalk"; 196 break; 197 case AF_CCITT: 198 afname = "X.25"; 199 break; 200 case AF_NETGRAPH: 201 afname = "Netgraph"; 202 break; 203 default: 204 afname = NULL; 205 break; 206 } 207 if (afname) 208 printf("\n%s:\n", afname); 209 else 210 printf("\nProtocol Family %d:\n", af); 211} 212 213/* column widths; each followed by one space */ 214#define WID_DST 18 /* width of destination column */ 215#define WID_GW 18 /* width of gateway column */ 216 217/* 218 * Print header for routing table columns. 219 */ 220void 221pr_rthdr() 222{ 223 if (Aflag) 224 printf("%-8.8s ","Address"); 225 printf("%-*.*s %-*.*s %-6.6s %6.6s%8.8s %8.8s %6s\n", 226 WID_DST, WID_DST, "Destination", 227 WID_GW, WID_GW, "Gateway", 228 "Flags", "Refs", "Use", "Netif", "Expire"); 229} 230 231static struct sockaddr * 232kgetsa(dst) 233 register struct sockaddr *dst; 234{ 235 236 kget(dst, pt_u.u_sa); 237 if (pt_u.u_sa.sa_len > sizeof (pt_u.u_sa)) 238 kread((u_long)dst, (char *)pt_u.u_data, pt_u.u_sa.sa_len); 239 return (&pt_u.u_sa); 240} 241 242static void 243p_tree(rn) 244 struct radix_node *rn; 245{ 246 247again: 248 kget(rn, rnode); 249 if (rnode.rn_b < 0) { 250 if (Aflag) 251 printf("%-8.8lx ", (u_long)rn); 252 if (rnode.rn_flags & RNF_ROOT) { 253 if (Aflag) 254 printf("(root node)%s", 255 rnode.rn_dupedkey ? " =>\n" : "\n"); 256 } else if (do_rtent) { 257 kget(rn, rtentry); 258 p_rtentry(&rtentry); 259 if (Aflag) 260 p_rtnode(); 261 } else { 262 p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_key), 263 NULL, 0, 44); 264 putchar('\n'); 265 } 266 if ((rn = rnode.rn_dupedkey)) 267 goto again; 268 } else { 269 if (Aflag && do_rtent) { 270 printf("%-8.8lx ", (u_long)rn); 271 p_rtnode(); 272 } 273 rn = rnode.rn_r; 274 p_tree(rnode.rn_l); 275 p_tree(rn); 276 } 277} 278 279char nbuf[20]; 280 281static void 282p_rtnode() 283{ 284 struct radix_mask *rm = rnode.rn_mklist; 285 286 if (rnode.rn_b < 0) { 287 if (rnode.rn_mask) { 288 printf("\t mask "); 289 p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_mask), 290 NULL, 0, -1); 291 } else if (rm == 0) 292 return; 293 } else { 294 sprintf(nbuf, "(%d)", rnode.rn_b); 295 printf("%6.6s %8.8lx : %8.8lx", nbuf, (u_long)rnode.rn_l, (u_long)rnode.rn_r); 296 } 297 while (rm) { 298 kget(rm, rmask); 299 sprintf(nbuf, " %d refs, ", rmask.rm_refs); 300 printf(" mk = %8.8lx {(%d),%s", 301 (u_long)rm, -1 - rmask.rm_b, rmask.rm_refs ? nbuf : " "); 302 if (rmask.rm_flags & RNF_NORMAL) { 303 struct radix_node rnode_aux; 304 printf(" <normal>, "); 305 kget(rmask.rm_leaf, rnode_aux); 306 p_sockaddr(kgetsa((struct sockaddr *)rnode_aux.rn_mask), 307 NULL, 0, -1); 308 } else 309 p_sockaddr(kgetsa((struct sockaddr *)rmask.rm_mask), 310 NULL, 0, -1); 311 putchar('}'); 312 if ((rm = rmask.rm_mklist)) 313 printf(" ->"); 314 } 315 putchar('\n'); 316} 317 318static void 319ntreestuff() 320{ 321 size_t needed; 322 int mib[6]; 323 char *buf, *next, *lim; 324 register struct rt_msghdr *rtm; 325 326 mib[0] = CTL_NET; 327 mib[1] = PF_ROUTE; 328 mib[2] = 0; 329 mib[3] = 0; 330 mib[4] = NET_RT_DUMP; 331 mib[5] = 0; 332 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) { 333 err(1, "sysctl: net.route.0.0.dump estimate"); 334 } 335 336 if ((buf = malloc(needed)) == 0) { 337 err(2, "malloc(%lu)", (unsigned long)needed); 338 } 339 if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) { 340 err(1, "sysctl: net.route.0.0.dump"); 341 } 342 lim = buf + needed; 343 for (next = buf; next < lim; next += rtm->rtm_msglen) { 344 rtm = (struct rt_msghdr *)next; 345 np_rtentry(rtm); 346 } 347} 348 349static void 350np_rtentry(rtm) 351 register struct rt_msghdr *rtm; 352{ 353 register struct sockaddr *sa = (struct sockaddr *)(rtm + 1); 354#ifdef notdef 355 static int masks_done, banner_printed; 356#endif 357 static int old_af; 358 int af = 0, interesting = RTF_UP | RTF_GATEWAY | RTF_HOST; 359 360#ifdef notdef 361 /* for the moment, netmasks are skipped over */ 362 if (!banner_printed) { 363 printf("Netmasks:\n"); 364 banner_printed = 1; 365 } 366 if (masks_done == 0) { 367 if (rtm->rtm_addrs != RTA_DST ) { 368 masks_done = 1; 369 af = sa->sa_family; 370 } 371 } else 372#endif 373 af = sa->sa_family; 374 if (af != old_af) { 375 pr_family(af); 376 old_af = af; 377 } 378 if (rtm->rtm_addrs == RTA_DST) 379 p_sockaddr(sa, NULL, 0, 36); 380 else { 381 p_sockaddr(sa, NULL, rtm->rtm_flags, 16); 382 if (sa->sa_len == 0) 383 sa->sa_len = sizeof(long); 384 sa = (struct sockaddr *)(sa->sa_len + (char *)sa); 385 p_sockaddr(sa, NULL, 0, 18); 386 } 387 p_flags(rtm->rtm_flags & interesting, "%-6.6s "); 388 putchar('\n'); 389} 390 391static void 392p_sockaddr(sa, mask, flags, width) 393 struct sockaddr *sa, *mask; 394 int flags, width; 395{ 396 char workbuf[128], *cplim; 397 register char *cp = workbuf; 398 399 switch(sa->sa_family) { 400 case AF_INET: 401 { 402 register struct sockaddr_in *sin = (struct sockaddr_in *)sa; 403 404 if (sin->sin_addr.s_addr == INADDR_ANY) 405 cp = "default"; 406 else if (flags & RTF_HOST) 407 cp = routename(sin->sin_addr.s_addr); 408 else if (mask) 409 cp = netname(sin->sin_addr.s_addr, 410 ntohl(((struct sockaddr_in *)mask) 411 ->sin_addr.s_addr)); 412 else 413 cp = netname(sin->sin_addr.s_addr, 0L); 414 break; 415 } 416 417 case AF_IPX: 418 { 419 struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr; 420 if (ipx_nullnet(satoipx_addr(work))) 421 cp = "default"; 422 else 423 cp = ipx_print(sa); 424 break; 425 } 426 case AF_APPLETALK: 427 { 428 if (!(flags & RTF_HOST) && mask) 429 cp = atalk_print2(sa,mask,9); 430 else 431 cp = atalk_print(sa,11); 432 break; 433 } 434 case AF_NETGRAPH: 435 { 436 printf("%s", ((struct sockaddr_ng *)sa)->sg_data); 437 break; 438 } 439#ifdef NS 440 case AF_NS: 441 cp = ns_print(sa); 442 break; 443#endif 444 445 case AF_LINK: 446 { 447 register struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa; 448 449 if (sdl->sdl_nlen == 0 && sdl->sdl_alen == 0 && 450 sdl->sdl_slen == 0) 451 (void) sprintf(workbuf, "link#%d", sdl->sdl_index); 452 else 453 switch (sdl->sdl_type) { 454 455 case IFT_ETHER: 456 { 457 register int i; 458 register u_char *lla = (u_char *)sdl->sdl_data + 459 sdl->sdl_nlen; 460 461 cplim = ""; 462 for (i = 0; i < sdl->sdl_alen; i++, lla++) { 463 cp += sprintf(cp, "%s%x", cplim, *lla); 464 cplim = ":"; 465 } 466 cp = workbuf; 467 break; 468 } 469 470 default: 471 cp = link_ntoa(sdl); 472 break; 473 } 474 break; 475 } 476 477 default: 478 { 479 register u_char *s = (u_char *)sa->sa_data, *slim; 480 481 slim = sa->sa_len + (u_char *) sa; 482 cplim = cp + sizeof(workbuf) - 6; 483 cp += sprintf(cp, "(%d)", sa->sa_family); 484 while (s < slim && cp < cplim) { 485 cp += sprintf(cp, " %02x", *s++); 486 if (s < slim) 487 cp += sprintf(cp, "%02x", *s++); 488 } 489 cp = workbuf; 490 } 491 } 492 if (width < 0 ) 493 printf("%s ", cp); 494 else { 495 if (nflag) 496 printf("%-*s ", width, cp); 497 else 498 printf("%-*.*s ", width, width, cp); 499 } 500} 501 502static void 503p_flags(f, format) 504 register int f; 505 char *format; 506{ 507 char name[33], *flags; 508 register struct bits *p = bits; 509 510 for (flags = name; p->b_mask; p++) 511 if (p->b_mask & f) 512 *flags++ = p->b_val; 513 *flags = '\0'; 514 printf(format, name); 515} 516 517static void 518p_rtentry(rt) 519 register struct rtentry *rt; 520{ 521 static struct ifnet ifnet, *lastif; 522 static char name[16]; 523 static char prettyname[9]; 524 struct sockaddr *sa; 525 sa_u addr, mask; 526 527 /* 528 * Don't print protocol-cloned routes unless -a. 529 */ 530 if (rt->rt_parent && !aflag) 531 return; 532 533 bzero(&addr, sizeof(addr)); 534 if ((sa = kgetsa(rt_key(rt)))) 535 bcopy(sa, &addr, sa->sa_len); 536 bzero(&mask, sizeof(mask)); 537 if (rt_mask(rt) && (sa = kgetsa(rt_mask(rt)))) 538 bcopy(sa, &mask, sa->sa_len); 539 p_sockaddr(&addr.u_sa, &mask.u_sa, rt->rt_flags, WID_DST); 540 p_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST, WID_GW); 541 p_flags(rt->rt_flags, "%-6.6s "); 542 printf("%6ld %8ld ", rt->rt_refcnt, rt->rt_use); 543 if (rt->rt_ifp) { 544 if (rt->rt_ifp != lastif) { 545 kget(rt->rt_ifp, ifnet); 546 kread((u_long)ifnet.if_name, name, 16); 547 lastif = rt->rt_ifp; 548 snprintf(prettyname, sizeof prettyname, 549 "%.6s%d", name, ifnet.if_unit); 550 } 551 printf("%8.8s", prettyname); 552 if (rt->rt_rmx.rmx_expire) { 553 time_t expire_time; 554 555 if ((expire_time = 556 rt->rt_rmx.rmx_expire - time((time_t *)0)) > 0) 557 printf(" %6d%s", (int)expire_time, 558 rt->rt_nodes[0].rn_dupedkey ? " =>" : ""); 559 } else if (rt->rt_nodes[0].rn_dupedkey) { 560 printf(" =>"); 561 } 562 563 } 564 putchar('\n'); 565} 566 567char * 568routename(in) 569 u_long in; 570{ 571 register char *cp; 572 static char line[MAXHOSTNAMELEN + 1]; 573 struct hostent *hp; 574 575 cp = 0; 576 if (!nflag) { 577 hp = gethostbyaddr((char *)&in, sizeof (struct in_addr), 578 AF_INET); 579 if (hp) { 580 cp = hp->h_name; 581 trimdomain(cp); 582 } 583 } 584 if (cp) { 585 strncpy(line, cp, sizeof(line) - 1); 586 line[sizeof(line) - 1] = '\0'; 587 } else { 588#define C(x) ((x) & 0xff) 589 in = ntohl(in); 590 sprintf(line, "%lu.%lu.%lu.%lu", 591 C(in >> 24), C(in >> 16), C(in >> 8), C(in)); 592 } 593 return (line); 594} 595 596static u_long 597forgemask(a) 598 u_long a; 599{ 600 u_long m; 601 602 if (IN_CLASSA(a)) 603 m = IN_CLASSA_NET; 604 else if (IN_CLASSB(a)) 605 m = IN_CLASSB_NET; 606 else 607 m = IN_CLASSC_NET; 608 return (m); 609} 610 611static void 612domask(dst, addr, mask) 613 char *dst; 614 u_long addr, mask; 615{ 616 register int b, i; 617 618 if (!mask || (forgemask(addr) == mask)) { 619 *dst = '\0'; 620 return; 621 } 622 i = 0; 623 for (b = 0; b < 32; b++) 624 if (mask & (1 << b)) { 625 register int bb; 626 627 i = b; 628 for (bb = b+1; bb < 32; bb++) 629 if (!(mask & (1 << bb))) { 630 i = -1; /* noncontig */ 631 break; 632 } 633 break; 634 } 635 if (i == -1) 636 sprintf(dst, "&0x%lx", mask); 637 else 638 sprintf(dst, "/%d", 32-i); 639} 640 641/* 642 * Return the name of the network whose address is given. 643 * The address is assumed to be that of a net or subnet, not a host. 644 */ 645char * 646netname(in, mask) 647 u_long in, mask; 648{ 649 char *cp = 0; 650 static char line[MAXHOSTNAMELEN + 1]; 651 struct netent *np = 0; 652 u_long net, omask, dmask; 653 register u_long i; 654 655 i = ntohl(in); 656 omask = mask; 657 if (!nflag && i) { 658 dmask = forgemask(i); 659 net = i & dmask; 660 if (!(np = getnetbyaddr(i, AF_INET)) && net != i) 661 np = getnetbyaddr(net, AF_INET); 662 if (np) { 663 cp = np->n_name; 664 trimdomain(cp); 665 } 666 } 667 if (cp) 668 strncpy(line, cp, sizeof(line) - 1); 669 else if ((i & 0xffffff) == 0) 670 sprintf(line, "%lu", C(i >> 24)); 671 else if ((i & 0xffff) == 0) 672 sprintf(line, "%lu.%lu", C(i >> 24) , C(i >> 16)); 673 else if ((i & 0xff) == 0) 674 sprintf(line, "%lu.%lu.%lu", C(i >> 24), C(i >> 16), C(i >> 8)); 675 else 676 sprintf(line, "%lu.%lu.%lu.%lu", C(i >> 24), 677 C(i >> 16), C(i >> 8), C(i)); 678 domask(line+strlen(line), i, omask); 679 return (line); 680} 681 682/* 683 * Print routing statistics 684 */ 685void 686rt_stats(off) 687 u_long off; 688{ 689 struct rtstat rtstat; 690 691 if (off == 0) { 692 printf("rtstat: symbol not in namelist\n"); 693 return; 694 } 695 kread(off, (char *)&rtstat, sizeof (rtstat)); 696 printf("routing:\n"); 697 printf("\t%u bad routing redirect%s\n", 698 rtstat.rts_badredirect, plural(rtstat.rts_badredirect)); 699 printf("\t%u dynamically created route%s\n", 700 rtstat.rts_dynamic, plural(rtstat.rts_dynamic)); 701 printf("\t%u new gateway%s due to redirects\n", 702 rtstat.rts_newgateway, plural(rtstat.rts_newgateway)); 703 printf("\t%u destination%s found unreachable\n", 704 rtstat.rts_unreach, plural(rtstat.rts_unreach)); 705 printf("\t%u use%s of a wildcard route\n", 706 rtstat.rts_wildcard, plural(rtstat.rts_wildcard)); 707} 708 709char * 710ipx_print(sa) 711 register struct sockaddr *sa; 712{ 713 u_short port; 714 struct servent *sp = 0; 715 char *net = "", *host = ""; 716 register char *p; 717 register u_char *q; 718 struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr; 719 static char mybuf[50]; 720 char cport[10], chost[15], cnet[15]; 721 722 port = ntohs(work.x_port); 723 724 if (ipx_nullnet(work) && ipx_nullhost(work)) { 725 726 if (port) { 727 if (sp) 728 sprintf(mybuf, "*.%s", sp->s_name); 729 else 730 sprintf(mybuf, "*.%x", port); 731 } else 732 sprintf(mybuf, "*.*"); 733 734 return (mybuf); 735 } 736 737 if (ipx_wildnet(work)) 738 net = "any"; 739 else if (ipx_nullnet(work)) 740 net = "*"; 741 else { 742 q = work.x_net.c_net; 743 sprintf(cnet, "%02x%02x%02x%02x", 744 q[0], q[1], q[2], q[3]); 745 for (p = cnet; *p == '0' && p < cnet + 8; p++) 746 continue; 747 net = p; 748 } 749 750 if (ipx_wildhost(work)) 751 host = "any"; 752 else if (ipx_nullhost(work)) 753 host = "*"; 754 else { 755 q = work.x_host.c_host; 756 sprintf(chost, "%02x%02x%02x%02x%02x%02x", 757 q[0], q[1], q[2], q[3], q[4], q[5]); 758 for (p = chost; *p == '0' && p < chost + 12; p++) 759 continue; 760 host = p; 761 } 762 763 if (port) { 764 if (strcmp(host, "*") == 0) 765 host = ""; 766 if (sp) 767 snprintf(cport, sizeof(cport), 768 "%s%s", *host ? "." : "", sp->s_name); 769 else 770 snprintf(cport, sizeof(cport), 771 "%s%x", *host ? "." : "", port); 772 } else 773 *cport = 0; 774 775 snprintf(mybuf, sizeof(mybuf), "%s.%s%s", net, host, cport); 776 return(mybuf); 777} 778 779char * 780ipx_phost(sa) 781 struct sockaddr *sa; 782{ 783 register struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)sa; 784 struct sockaddr_ipx work; 785 static union ipx_net ipx_zeronet; 786 char *p; 787 struct ipx_addr in; 788 789 work = *sipx; 790 in = work.sipx_addr; 791 792 work.sipx_addr.x_port = 0; 793 work.sipx_addr.x_net = ipx_zeronet; 794 p = ipx_print((struct sockaddr *)&work); 795 if (strncmp("*.", p, 2) == 0) p += 2; 796 797 return(p); 798} 799 800#ifdef NS 801short ns_nullh[] = {0,0,0}; 802short ns_bh[] = {-1,-1,-1}; 803 804char * 805ns_print(sa) 806 register struct sockaddr *sa; 807{ 808 register struct sockaddr_ns *sns = (struct sockaddr_ns*)sa; 809 struct ns_addr work; 810 union { union ns_net net_e; u_long long_e; } net; 811 u_short port; 812 static char mybuf[50], cport[10], chost[25]; 813 char *host = ""; 814 register char *p; register u_char *q; 815 816 work = sns->sns_addr; 817 port = ntohs(work.x_port); 818 work.x_port = 0; 819 net.net_e = work.x_net; 820 if (ns_nullhost(work) && net.long_e == 0) { 821 if (port ) { 822 sprintf(mybuf, "*.%xH", port); 823 upHex(mybuf); 824 } else 825 sprintf(mybuf, "*.*"); 826 return (mybuf); 827 } 828 829 if (bcmp(ns_bh, work.x_host.c_host, 6) == 0) { 830 host = "any"; 831 } else if (bcmp(ns_nullh, work.x_host.c_host, 6) == 0) { 832 host = "*"; 833 } else { 834 q = work.x_host.c_host; 835 sprintf(chost, "%02x%02x%02x%02x%02x%02xH", 836 q[0], q[1], q[2], q[3], q[4], q[5]); 837 for (p = chost; *p == '0' && p < chost + 12; p++) 838 continue; 839 host = p; 840 } 841 if (port) 842 sprintf(cport, ".%xH", htons(port)); 843 else 844 *cport = 0; 845 846 sprintf(mybuf,"%xH.%s%s", ntohl(net.long_e), host, cport); 847 upHex(mybuf); 848 return(mybuf); 849} 850 851char * 852ns_phost(sa) 853 struct sockaddr *sa; 854{ 855 register struct sockaddr_ns *sns = (struct sockaddr_ns *)sa; 856 struct sockaddr_ns work; 857 static union ns_net ns_zeronet; 858 char *p; 859 860 work = *sns; 861 work.sns_addr.x_port = 0; 862 work.sns_addr.x_net = ns_zeronet; 863 864 p = ns_print((struct sockaddr *)&work); 865 if (strncmp("0H.", p, 3) == 0) 866 p += 3; 867 return(p); 868} 869#endif 870 871void 872upHex(p0) 873 char *p0; 874{ 875 register char *p = p0; 876 877 for (; *p; p++) 878 switch (*p) { 879 880 case 'a': 881 case 'b': 882 case 'c': 883 case 'd': 884 case 'e': 885 case 'f': 886 *p += ('A' - 'a'); 887 break; 888 } 889} 890