route.c revision 38428
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 1.32 1998/07/06 20:52:08 bde 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 long dummy; /* Helps align structure. */ 104 struct sockaddr u_sa; 105 u_short u_data[128]; 106} sa_u; 107 108static sa_u pt_u; 109 110int do_rtent = 0; 111struct rtentry rtentry; 112struct radix_node rnode; 113struct radix_mask rmask; 114struct radix_node_head *rt_tables[AF_MAX+1]; 115 116int NewTree = 0; 117 118static struct sockaddr *kgetsa __P((struct sockaddr *)); 119static void p_tree __P((struct radix_node *)); 120static void p_rtnode __P((void)); 121static void ntreestuff __P((void)); 122static void np_rtentry __P((struct rt_msghdr *)); 123static void p_sockaddr __P((struct sockaddr *, struct sockaddr *, int, int)); 124static void p_flags __P((int, char *)); 125static void p_rtentry __P((struct rtentry *)); 126static u_long forgemask __P((u_long)); 127static void domask __P((char *, u_long, u_long)); 128 129/* 130 * Print routing tables. 131 */ 132void 133routepr(rtree) 134 u_long rtree; 135{ 136 struct radix_node_head *rnh, head; 137 int i; 138 139 printf("Routing tables\n"); 140 141 if (Aflag == 0 && NewTree) 142 ntreestuff(); 143 else { 144 if (rtree == 0) { 145 printf("rt_tables: symbol not in namelist\n"); 146 return; 147 } 148 149 kget(rtree, rt_tables); 150 for (i = 0; i <= AF_MAX; i++) { 151 if ((rnh = rt_tables[i]) == 0) 152 continue; 153 kget(rnh, head); 154 if (i == AF_UNSPEC) { 155 if (Aflag && af == 0) { 156 printf("Netmasks:\n"); 157 p_tree(head.rnh_treetop); 158 } 159 } else if (af == AF_UNSPEC || af == i) { 160 pr_family(i); 161 do_rtent = 1; 162 pr_rthdr(); 163 p_tree(head.rnh_treetop); 164 } 165 } 166 } 167} 168 169/* 170 * Print address family header before a section of the routing table. 171 */ 172void 173pr_family(af) 174 int af; 175{ 176 char *afname; 177 178 switch (af) { 179 case AF_INET: 180 afname = "Internet"; 181 break; 182 case AF_IPX: 183 afname = "IPX"; 184 break; 185#ifdef NS 186 case AF_NS: 187 afname = "XNS"; 188 break; 189#endif 190 case AF_ISO: 191 afname = "ISO"; 192 break; 193 case AF_APPLETALK: 194 afname = "AppleTalk"; 195 break; 196 case AF_CCITT: 197 afname = "X.25"; 198 break; 199 default: 200 afname = NULL; 201 break; 202 } 203 if (afname) 204 printf("\n%s:\n", afname); 205 else 206 printf("\nProtocol Family %d:\n", af); 207} 208 209/* column widths; each followed by one space */ 210#define WID_DST 18 /* width of destination column */ 211#define WID_GW 18 /* width of gateway column */ 212 213/* 214 * Print header for routing table columns. 215 */ 216void 217pr_rthdr() 218{ 219 if (Aflag) 220 printf("%-8.8s ","Address"); 221 printf("%-*.*s %-*.*s %-6.6s %6.6s%8.8s %8.8s %6s\n", 222 WID_DST, WID_DST, "Destination", 223 WID_GW, WID_GW, "Gateway", 224 "Flags", "Refs", "Use", "Netif", "Expire"); 225} 226 227static struct sockaddr * 228kgetsa(dst) 229 register struct sockaddr *dst; 230{ 231 232 kget(dst, pt_u.u_sa); 233 if (pt_u.u_sa.sa_len > sizeof (pt_u.u_sa)) 234 kread((u_long)dst, (char *)pt_u.u_data, pt_u.u_sa.sa_len); 235 return (&pt_u.u_sa); 236} 237 238static void 239p_tree(rn) 240 struct radix_node *rn; 241{ 242 243again: 244 kget(rn, rnode); 245 if (rnode.rn_b < 0) { 246 if (Aflag) 247 printf("%-8.8lx ", (u_long)rn); 248 if (rnode.rn_flags & RNF_ROOT) { 249 if (Aflag) 250 printf("(root node)%s", 251 rnode.rn_dupedkey ? " =>\n" : "\n"); 252 } else if (do_rtent) { 253 kget(rn, rtentry); 254 p_rtentry(&rtentry); 255 if (Aflag) 256 p_rtnode(); 257 } else { 258 p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_key), 259 NULL, 0, 44); 260 putchar('\n'); 261 } 262 if ((rn = rnode.rn_dupedkey)) 263 goto again; 264 } else { 265 if (Aflag && do_rtent) { 266 printf("%-8.8lx ", (u_long)rn); 267 p_rtnode(); 268 } 269 rn = rnode.rn_r; 270 p_tree(rnode.rn_l); 271 p_tree(rn); 272 } 273} 274 275char nbuf[20]; 276 277static void 278p_rtnode() 279{ 280 struct radix_mask *rm = rnode.rn_mklist; 281 282 if (rnode.rn_b < 0) { 283 if (rnode.rn_mask) { 284 printf("\t mask "); 285 p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_mask), 286 NULL, 0, -1); 287 } else if (rm == 0) 288 return; 289 } else { 290 sprintf(nbuf, "(%d)", rnode.rn_b); 291 printf("%6.6s %8.8lx : %8.8lx", nbuf, (u_long)rnode.rn_l, (u_long)rnode.rn_r); 292 } 293 while (rm) { 294 kget(rm, rmask); 295 sprintf(nbuf, " %d refs, ", rmask.rm_refs); 296 printf(" mk = %8.8lx {(%d),%s", 297 (u_long)rm, -1 - rmask.rm_b, rmask.rm_refs ? nbuf : " "); 298 if (rmask.rm_flags & RNF_NORMAL) { 299 struct radix_node rnode_aux; 300 printf(" <normal>, "); 301 kget(rmask.rm_leaf, rnode_aux); 302 p_sockaddr(kgetsa((struct sockaddr *)rnode_aux.rn_mask), 303 NULL, 0, -1); 304 } else 305 p_sockaddr(kgetsa((struct sockaddr *)rmask.rm_mask), 306 NULL, 0, -1); 307 putchar('}'); 308 if ((rm = rmask.rm_mklist)) 309 printf(" ->"); 310 } 311 putchar('\n'); 312} 313 314static void 315ntreestuff() 316{ 317 size_t needed; 318 int mib[6]; 319 char *buf, *next, *lim; 320 register struct rt_msghdr *rtm; 321 322 mib[0] = CTL_NET; 323 mib[1] = PF_ROUTE; 324 mib[2] = 0; 325 mib[3] = 0; 326 mib[4] = NET_RT_DUMP; 327 mib[5] = 0; 328 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) { 329 err(1, "sysctl: net.route.0.0.dump estimate"); 330 } 331 332 if ((buf = malloc(needed)) == 0) { 333 err(2, "malloc(%lu)", (unsigned long)needed); 334 } 335 if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) { 336 err(1, "sysctl: net.route.0.0.dump"); 337 } 338 lim = buf + needed; 339 for (next = buf; next < lim; next += rtm->rtm_msglen) { 340 rtm = (struct rt_msghdr *)next; 341 np_rtentry(rtm); 342 } 343} 344 345static void 346np_rtentry(rtm) 347 register struct rt_msghdr *rtm; 348{ 349 register struct sockaddr *sa = (struct sockaddr *)(rtm + 1); 350#ifdef notdef 351 static int masks_done, banner_printed; 352#endif 353 static int old_af; 354 int af = 0, interesting = RTF_UP | RTF_GATEWAY | RTF_HOST; 355 356#ifdef notdef 357 /* for the moment, netmasks are skipped over */ 358 if (!banner_printed) { 359 printf("Netmasks:\n"); 360 banner_printed = 1; 361 } 362 if (masks_done == 0) { 363 if (rtm->rtm_addrs != RTA_DST ) { 364 masks_done = 1; 365 af = sa->sa_family; 366 } 367 } else 368#endif 369 af = sa->sa_family; 370 if (af != old_af) { 371 pr_family(af); 372 old_af = af; 373 } 374 if (rtm->rtm_addrs == RTA_DST) 375 p_sockaddr(sa, NULL, 0, 36); 376 else { 377 p_sockaddr(sa, NULL, rtm->rtm_flags, 16); 378 if (sa->sa_len == 0) 379 sa->sa_len = sizeof(long); 380 sa = (struct sockaddr *)(sa->sa_len + (char *)sa); 381 p_sockaddr(sa, NULL, 0, 18); 382 } 383 p_flags(rtm->rtm_flags & interesting, "%-6.6s "); 384 putchar('\n'); 385} 386 387static void 388p_sockaddr(sa, mask, flags, width) 389 struct sockaddr *sa, *mask; 390 int flags, width; 391{ 392 char workbuf[128], *cplim; 393 register char *cp = workbuf; 394 395 switch(sa->sa_family) { 396 case AF_INET: 397 { 398 register struct sockaddr_in *sin = (struct sockaddr_in *)sa; 399 400 if (sin->sin_addr.s_addr == INADDR_ANY) 401 cp = "default"; 402 else if (flags & RTF_HOST) 403 cp = routename(sin->sin_addr.s_addr); 404 else if (mask) 405 cp = netname(sin->sin_addr.s_addr, 406 ntohl(((struct sockaddr_in *)mask) 407 ->sin_addr.s_addr)); 408 else 409 cp = netname(sin->sin_addr.s_addr, 0L); 410 break; 411 } 412 413 case AF_IPX: 414 { 415 struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr; 416 if (ipx_nullnet(satoipx_addr(work))) 417 cp = "default"; 418 else 419 cp = ipx_print(sa); 420 break; 421 } 422 case AF_APPLETALK: 423 { 424 if (!(flags & RTF_HOST) && mask) 425 cp = atalk_print2(sa,mask,9); 426 else 427 cp = atalk_print(sa,11); 428 break; 429 } 430#ifdef NS 431 case AF_NS: 432 cp = ns_print(sa); 433 break; 434#endif 435 436 case AF_LINK: 437 { 438 register struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa; 439 440 if (sdl->sdl_nlen == 0 && sdl->sdl_alen == 0 && 441 sdl->sdl_slen == 0) 442 (void) sprintf(workbuf, "link#%d", sdl->sdl_index); 443 else 444 switch (sdl->sdl_type) { 445 446 case IFT_ETHER: 447 { 448 register int i; 449 register u_char *lla = (u_char *)sdl->sdl_data + 450 sdl->sdl_nlen; 451 452 cplim = ""; 453 for (i = 0; i < sdl->sdl_alen; i++, lla++) { 454 cp += sprintf(cp, "%s%x", cplim, *lla); 455 cplim = ":"; 456 } 457 cp = workbuf; 458 break; 459 } 460 461 default: 462 cp = link_ntoa(sdl); 463 break; 464 } 465 break; 466 } 467 468 default: 469 { 470 register u_char *s = (u_char *)sa->sa_data, *slim; 471 472 slim = sa->sa_len + (u_char *) sa; 473 cplim = cp + sizeof(workbuf) - 6; 474 cp += sprintf(cp, "(%d)", sa->sa_family); 475 while (s < slim && cp < cplim) { 476 cp += sprintf(cp, " %02x", *s++); 477 if (s < slim) 478 cp += sprintf(cp, "%02x", *s++); 479 } 480 cp = workbuf; 481 } 482 } 483 if (width < 0 ) 484 printf("%s ", cp); 485 else { 486 if (nflag) 487 printf("%-*s ", width, cp); 488 else 489 printf("%-*.*s ", width, width, cp); 490 } 491} 492 493static void 494p_flags(f, format) 495 register int f; 496 char *format; 497{ 498 char name[33], *flags; 499 register struct bits *p = bits; 500 501 for (flags = name; p->b_mask; p++) 502 if (p->b_mask & f) 503 *flags++ = p->b_val; 504 *flags = '\0'; 505 printf(format, name); 506} 507 508static void 509p_rtentry(rt) 510 register struct rtentry *rt; 511{ 512 static struct ifnet ifnet, *lastif; 513 static char name[16]; 514 static char prettyname[9]; 515 struct sockaddr *sa; 516 sa_u addr, mask; 517 518 /* 519 * Don't print protocol-cloned routes unless -a. 520 */ 521 if (rt->rt_parent && !aflag) 522 return; 523 524 bzero(&addr, sizeof(addr)); 525 if ((sa = kgetsa(rt_key(rt)))) 526 bcopy(sa, &addr, sa->sa_len); 527 bzero(&mask, sizeof(mask)); 528 if (rt_mask(rt) && (sa = kgetsa(rt_mask(rt)))) 529 bcopy(sa, &mask, sa->sa_len); 530 p_sockaddr(&addr.u_sa, &mask.u_sa, rt->rt_flags, WID_DST); 531 p_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST, WID_GW); 532 p_flags(rt->rt_flags, "%-6.6s "); 533 printf("%6d %8ld ", rt->rt_refcnt, rt->rt_use); 534 if (rt->rt_ifp) { 535 if (rt->rt_ifp != lastif) { 536 kget(rt->rt_ifp, ifnet); 537 kread((u_long)ifnet.if_name, name, 16); 538 lastif = rt->rt_ifp; 539 snprintf(prettyname, sizeof prettyname, 540 "%.6s%d", name, ifnet.if_unit); 541 } 542 printf("%8.8s", prettyname); 543 if (rt->rt_rmx.rmx_expire) { 544 time_t expire_time; 545 546 if ((expire_time = 547 rt->rt_rmx.rmx_expire - time((time_t *)0)) > 0) 548 printf(" %6d%s", (int)expire_time, 549 rt->rt_nodes[0].rn_dupedkey ? " =>" : ""); 550 } else if (rt->rt_nodes[0].rn_dupedkey) { 551 printf(" =>"); 552 } 553 554 } 555 putchar('\n'); 556} 557 558char * 559routename(in) 560 u_long in; 561{ 562 register char *cp; 563 static char line[MAXHOSTNAMELEN + 1]; 564 struct hostent *hp; 565 566 cp = 0; 567 if (!nflag) { 568 hp = gethostbyaddr((char *)&in, sizeof (struct in_addr), 569 AF_INET); 570 if (hp) { 571 cp = hp->h_name; 572 trimdomain(cp); 573 } 574 } 575 if (cp) { 576 strncpy(line, cp, sizeof(line) - 1); 577 line[sizeof(line) - 1] = '\0'; 578 } else { 579#define C(x) ((x) & 0xff) 580 in = ntohl(in); 581 sprintf(line, "%lu.%lu.%lu.%lu", 582 C(in >> 24), C(in >> 16), C(in >> 8), C(in)); 583 } 584 return (line); 585} 586 587static u_long 588forgemask(a) 589 u_long a; 590{ 591 u_long m; 592 593 if (IN_CLASSA(a)) 594 m = IN_CLASSA_NET; 595 else if (IN_CLASSB(a)) 596 m = IN_CLASSB_NET; 597 else 598 m = IN_CLASSC_NET; 599 return (m); 600} 601 602static void 603domask(dst, addr, mask) 604 char *dst; 605 u_long addr, mask; 606{ 607 register int b, i; 608 609 if (!mask || (forgemask(addr) == mask)) { 610 *dst = '\0'; 611 return; 612 } 613 i = 0; 614 for (b = 0; b < 32; b++) 615 if (mask & (1 << b)) { 616 register int bb; 617 618 i = b; 619 for (bb = b+1; bb < 32; bb++) 620 if (!(mask & (1 << bb))) { 621 i = -1; /* noncontig */ 622 break; 623 } 624 break; 625 } 626 if (i == -1) 627 sprintf(dst, "&0x%lx", mask); 628 else 629 sprintf(dst, "/%d", 32-i); 630} 631 632/* 633 * Return the name of the network whose address is given. 634 * The address is assumed to be that of a net or subnet, not a host. 635 */ 636char * 637netname(in, mask) 638 u_long in, mask; 639{ 640 char *cp = 0; 641 static char line[MAXHOSTNAMELEN + 1]; 642 struct netent *np = 0; 643 u_long net, omask, dmask; 644 register u_long i; 645 646 i = ntohl(in); 647 omask = mask; 648 if (!nflag && i) { 649 dmask = forgemask(i); 650 net = i & dmask; 651 if (!(np = getnetbyaddr(i, AF_INET)) && net != i) 652 np = getnetbyaddr(net, AF_INET); 653 if (np) { 654 cp = np->n_name; 655 trimdomain(cp); 656 } 657 } 658 if (cp) 659 strncpy(line, cp, sizeof(line) - 1); 660 else if ((i & 0xffffff) == 0) 661 sprintf(line, "%lu", C(i >> 24)); 662 else if ((i & 0xffff) == 0) 663 sprintf(line, "%lu.%lu", C(i >> 24) , C(i >> 16)); 664 else if ((i & 0xff) == 0) 665 sprintf(line, "%lu.%lu.%lu", C(i >> 24), C(i >> 16), C(i >> 8)); 666 else 667 sprintf(line, "%lu.%lu.%lu.%lu", C(i >> 24), 668 C(i >> 16), C(i >> 8), C(i)); 669 domask(line+strlen(line), i, omask); 670 return (line); 671} 672 673/* 674 * Print routing statistics 675 */ 676void 677rt_stats(off) 678 u_long off; 679{ 680 struct rtstat rtstat; 681 682 if (off == 0) { 683 printf("rtstat: symbol not in namelist\n"); 684 return; 685 } 686 kread(off, (char *)&rtstat, sizeof (rtstat)); 687 printf("routing:\n"); 688 printf("\t%u bad routing redirect%s\n", 689 rtstat.rts_badredirect, plural(rtstat.rts_badredirect)); 690 printf("\t%u dynamically created route%s\n", 691 rtstat.rts_dynamic, plural(rtstat.rts_dynamic)); 692 printf("\t%u new gateway%s due to redirects\n", 693 rtstat.rts_newgateway, plural(rtstat.rts_newgateway)); 694 printf("\t%u destination%s found unreachable\n", 695 rtstat.rts_unreach, plural(rtstat.rts_unreach)); 696 printf("\t%u use%s of a wildcard route\n", 697 rtstat.rts_wildcard, plural(rtstat.rts_wildcard)); 698} 699 700char * 701ipx_print(sa) 702 register struct sockaddr *sa; 703{ 704 u_short port; 705 struct servent *sp = 0; 706 char *net = "", *host = ""; 707 register char *p; 708 register u_char *q; 709 struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr; 710 static char mybuf[50]; 711 char cport[10], chost[15], cnet[15]; 712 713 port = ntohs(work.x_port); 714 715 if (ipx_nullnet(work) && ipx_nullhost(work)) { 716 717 if (port) { 718 if (sp) 719 sprintf(mybuf, "*.%s", sp->s_name); 720 else 721 sprintf(mybuf, "*.%x", port); 722 } else 723 sprintf(mybuf, "*.*"); 724 725 return (mybuf); 726 } 727 728 if (ipx_wildnet(work)) 729 net = "any"; 730 else if (ipx_nullnet(work)) 731 net = "*"; 732 else { 733 q = work.x_net.c_net; 734 sprintf(cnet, "%02x%02x%02x%02x", 735 q[0], q[1], q[2], q[3]); 736 for (p = cnet; *p == '0' && p < cnet + 8; p++) 737 continue; 738 net = p; 739 } 740 741 if (ipx_wildhost(work)) 742 host = "any"; 743 else if (ipx_nullhost(work)) 744 host = "*"; 745 else { 746 q = work.x_host.c_host; 747 sprintf(chost, "%02x%02x%02x%02x%02x%02x", 748 q[0], q[1], q[2], q[3], q[4], q[5]); 749 for (p = chost; *p == '0' && p < chost + 12; p++) 750 continue; 751 host = p; 752 } 753 754 if (port) { 755 if (strcmp(host, "*") == 0) 756 host = ""; 757 if (sp) 758 snprintf(cport, sizeof(cport), 759 "%s%s", *host ? "." : "", sp->s_name); 760 else 761 snprintf(cport, sizeof(cport), 762 "%s%x", *host ? "." : "", port); 763 } else 764 *cport = 0; 765 766 snprintf(mybuf, sizeof(mybuf), "%s.%s%s", net, host, cport); 767 return(mybuf); 768} 769 770char * 771ipx_phost(sa) 772 struct sockaddr *sa; 773{ 774 register struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)sa; 775 struct sockaddr_ipx work; 776 static union ipx_net ipx_zeronet; 777 char *p; 778 struct ipx_addr in; 779 780 work = *sipx; 781 in = work.sipx_addr; 782 783 work.sipx_addr.x_port = 0; 784 work.sipx_addr.x_net = ipx_zeronet; 785 p = ipx_print((struct sockaddr *)&work); 786 if (strncmp("*.", p, 2) == 0) p += 2; 787 788 return(p); 789} 790 791#ifdef NS 792short ns_nullh[] = {0,0,0}; 793short ns_bh[] = {-1,-1,-1}; 794 795char * 796ns_print(sa) 797 register struct sockaddr *sa; 798{ 799 register struct sockaddr_ns *sns = (struct sockaddr_ns*)sa; 800 struct ns_addr work; 801 union { union ns_net net_e; u_long long_e; } net; 802 u_short port; 803 static char mybuf[50], cport[10], chost[25]; 804 char *host = ""; 805 register char *p; register u_char *q; 806 807 work = sns->sns_addr; 808 port = ntohs(work.x_port); 809 work.x_port = 0; 810 net.net_e = work.x_net; 811 if (ns_nullhost(work) && net.long_e == 0) { 812 if (port ) { 813 sprintf(mybuf, "*.%xH", port); 814 upHex(mybuf); 815 } else 816 sprintf(mybuf, "*.*"); 817 return (mybuf); 818 } 819 820 if (bcmp(ns_bh, work.x_host.c_host, 6) == 0) { 821 host = "any"; 822 } else if (bcmp(ns_nullh, work.x_host.c_host, 6) == 0) { 823 host = "*"; 824 } else { 825 q = work.x_host.c_host; 826 sprintf(chost, "%02x%02x%02x%02x%02x%02xH", 827 q[0], q[1], q[2], q[3], q[4], q[5]); 828 for (p = chost; *p == '0' && p < chost + 12; p++) 829 continue; 830 host = p; 831 } 832 if (port) 833 sprintf(cport, ".%xH", htons(port)); 834 else 835 *cport = 0; 836 837 sprintf(mybuf,"%xH.%s%s", ntohl(net.long_e), host, cport); 838 upHex(mybuf); 839 return(mybuf); 840} 841 842char * 843ns_phost(sa) 844 struct sockaddr *sa; 845{ 846 register struct sockaddr_ns *sns = (struct sockaddr_ns *)sa; 847 struct sockaddr_ns work; 848 static union ns_net ns_zeronet; 849 char *p; 850 851 work = *sns; 852 work.sns_addr.x_port = 0; 853 work.sns_addr.x_net = ns_zeronet; 854 855 p = ns_print((struct sockaddr *)&work); 856 if (strncmp("0H.", p, 3) == 0) 857 p += 3; 858 return(p); 859} 860#endif 861 862void 863upHex(p0) 864 char *p0; 865{ 866 register char *p = p0; 867 868 for (; *p; p++) 869 switch (*p) { 870 871 case 'a': 872 case 'b': 873 case 'c': 874 case 'd': 875 case 'e': 876 case 'f': 877 *p += ('A' - 'a'); 878 break; 879 } 880} 881