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 36 static char sccsid[] = "From: @(#)route.c 8.3 (Berkeley) 3/9/94"; 37 #endif 38 static const char rcsid[] = 39 "$Id: route.c,v 1.6 1995/07/12 19:21:36 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/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 */ 75 struct 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 99 static union { 100 struct sockaddr u_sa; 101 u_short u_data[128]; 102 } pt_u; 103 104 int do_rtent = 0; 105 struct rtentry rtentry; 106 struct radix_node rnode; 107 struct radix_mask rmask; 108 struct radix_node_head *rt_tables[AF_MAX+1]; 109 110 int NewTree = 0; 111 112 static struct sockaddr *kgetsa __P((struct sockaddr *)); 113 static void p_tree __P((struct radix_node *)); 114 static void p_rtnode __P(()); 115 static void ntreestuff __P(()); 116 static void np_rtentry __P((struct rt_msghdr *)); 117 static void p_sockaddr __P((struct sockaddr *, int, int)); 118 static void p_flags __P((int, char *)); 119 static void p_rtentry __P((struct rtentry *)); 120 121 /* 122 * Print routing tables. 123 */ 124 void 125 routepr(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 */ 164 void 165 pr_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 16 /* width of destination column */ 198 #define WID_GW 18 /* width of gateway column */ 199 200 /* 201 * Print header for routing table columns. 202 */ 203 void 204 pr_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 } 213 214 static struct sockaddr * 215 kgetsa(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 } 224 225 static void 226 p_tree(rn) 227 struct radix_node *rn; 228 { 229 230 again: 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 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 } 261 262 char nbuf[20]; 263 264 static void 265 p_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 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 p_sockaddr(kgetsa((struct sockaddr *)rmask.rm_mask), 0, -1); 286 putchar('}'); 287 if (rm = rmask.rm_mklist) 288 printf(" ->"); 289 } 290 putchar('\n'); 291 } 292 293 static void 294 ntreestuff() 295 { 296 size_t needed; 297 int mib[6]; 298 char *buf, *next, *lim; 299 register struct rt_msghdr *rtm; 300 301 mib[0] = CTL_NET; 302 mib[1] = PF_ROUTE; 303 mib[2] = 0; 304 mib[3] = 0; 305 mib[4] = NET_RT_DUMP; 306 mib[5] = 0; 307 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) { 308 err(1, "sysctl: net.route.0.0.dump estimate"); 309 } 310 311 if ((buf = malloc(needed)) == 0) { 312 err(2, "malloc(%lu)", (unsigned long)needed); 313 } 314 if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) { 315 err(1, "sysctl: net.route.0.0.dump"); 316 } 317 lim = buf + needed; 318 for (next = buf; next < lim; next += rtm->rtm_msglen) { 319 rtm = (struct rt_msghdr *)next; 320 np_rtentry(rtm); 321 } 322 } 323 324 static void 325 np_rtentry(rtm) 326 register struct rt_msghdr *rtm; 327 { 328 register struct sockaddr *sa = (struct sockaddr *)(rtm + 1); 329 #ifdef notdef 330 static int masks_done, banner_printed; 331 #endif 332 static int old_af; 333 int af = 0, interesting = RTF_UP | RTF_GATEWAY | RTF_HOST; 334 335 #ifdef notdef 336 /* for the moment, netmasks are skipped over */ 337 if (!banner_printed) { 338 printf("Netmasks:\n"); 339 banner_printed = 1; 340 } 341 if (masks_done == 0) { 342 if (rtm->rtm_addrs != RTA_DST ) { 343 masks_done = 1; 344 af = sa->sa_family; 345 } 346 } else 347 #endif 348 af = sa->sa_family; 349 if (af != old_af) { 350 pr_family(af); 351 old_af = af; 352 } 353 if (rtm->rtm_addrs == RTA_DST) 354 p_sockaddr(sa, 0, 36); 355 else { 356 p_sockaddr(sa, rtm->rtm_flags, 16); 357 if (sa->sa_len == 0) 358 sa->sa_len = sizeof(long); 359 sa = (struct sockaddr *)(sa->sa_len + (char *)sa); 360 p_sockaddr(sa, 0, 18); 361 } 362 p_flags(rtm->rtm_flags & interesting, "%-6.6s "); 363 putchar('\n'); 364 } 365 366 static void 367 p_sockaddr(sa, flags, width) 368 struct sockaddr *sa; 369 int flags, width; 370 { 371 char workbuf[128], *cplim; 372 register char *cp = workbuf; 373 374 switch(sa->sa_family) { 375 case AF_INET: 376 { 377 register struct sockaddr_in *sin = (struct sockaddr_in *)sa; 378 379 cp = (sin->sin_addr.s_addr == 0) ? "default" : 380 ((flags & RTF_HOST) ? 381 routename(sin->sin_addr.s_addr) : 382 netname(sin->sin_addr.s_addr, 0L)); 383 break; 384 } 385 386 case AF_IPX: 387 { 388 struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr; 389 if (ipx_nullhost(satoipx_addr(work))) 390 cp = "default"; 391 else 392 cp = ipx_print(sa); 393 break; 394 } 395 396 case AF_NS: 397 cp = ns_print(sa); 398 break; 399 400 case AF_LINK: 401 { 402 register struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa; 403 404 if (sdl->sdl_nlen == 0 && sdl->sdl_alen == 0 && 405 sdl->sdl_slen == 0) 406 (void) sprintf(workbuf, "link#%d", sdl->sdl_index); 407 else switch (sdl->sdl_type) { 408 case IFT_ETHER: 409 { 410 register int i; 411 register u_char *lla = (u_char *)sdl->sdl_data + 412 sdl->sdl_nlen; 413 414 cplim = ""; 415 for (i = 0; i < sdl->sdl_alen; i++, lla++) { 416 cp += sprintf(cp, "%s%x", cplim, *lla); 417 cplim = ":"; 418 } 419 cp = workbuf; 420 break; 421 } 422 default: 423 cp = link_ntoa(sdl); 424 break; 425 } 426 break; 427 } 428 429 default: 430 { 431 register u_char *s = (u_char *)sa->sa_data, *slim; 432 433 slim = sa->sa_len + (u_char *) sa; 434 cplim = cp + sizeof(workbuf) - 6; 435 cp += sprintf(cp, "(%d)", sa->sa_family); 436 while (s < slim && cp < cplim) { 437 cp += sprintf(cp, " %02x", *s++); 438 if (s < slim) 439 cp += sprintf(cp, "%02x", *s++); 440 } 441 cp = workbuf; 442 } 443 } 444 if (width < 0 ) 445 printf("%s ", cp); 446 else { 447 if (nflag) 448 printf("%-*s ", width, cp); 449 else 450 printf("%-*.*s ", width, width, cp); 451 } 452 } 453 454 static void 455 p_flags(f, format) 456 register int f; 457 char *format; 458 { 459 char name[33], *flags; 460 register struct bits *p = bits; 461 462 for (flags = name; p->b_mask; p++) 463 if (p->b_mask & f) 464 *flags++ = p->b_val; 465 *flags = '\0'; 466 printf(format, name); 467 } 468 469 static void 470 p_rtentry(rt) 471 register struct rtentry *rt; 472 { 473 static struct ifnet ifnet, *lastif; 474 static char name[16]; 475 static char prettyname[9]; 476 477 /* 478 * Don't print protocol-cloned routes unless -a. 479 */ 480 if(rt->rt_parent && !aflag) 481 return; 482 483 p_sockaddr(kgetsa(rt_key(rt)), rt->rt_flags, WID_DST); 484 p_sockaddr(kgetsa(rt->rt_gateway), RTF_HOST, WID_GW); 485 p_flags(rt->rt_flags, "%-6.6s "); 486 printf("%6d %8d ", rt->rt_refcnt, rt->rt_use); 487 if (rt->rt_ifp) { 488 if (rt->rt_ifp != lastif) { 489 kget(rt->rt_ifp, ifnet); 490 kread((u_long)ifnet.if_name, name, 16); 491 lastif = rt->rt_ifp; 492 snprintf(prettyname, sizeof prettyname, 493 "%.6s%d", name, ifnet.if_unit); 494 } 495 if(rt->rt_rmx.rmx_expire) { 496 time_t expire_time; 497 498 if ((expire_time 499 =rt->rt_rmx.rmx_expire - time((time_t *)0)) > 0) 500 printf(" %8.8s %6d%s", prettyname, 501 expire_time, 502 rt->rt_nodes[0].rn_dupedkey ? " =>" : ""); 503 } else { 504 printf(" %8.8s%s", prettyname, 505 rt->rt_nodes[0].rn_dupedkey ? " =>" : ""); 506 } 507 508 } 509 putchar('\n'); 510 } 511 512 char * 513 routename(in) 514 u_long in; 515 { 516 register char *cp; 517 static char line[MAXHOSTNAMELEN + 1]; 518 struct hostent *hp; 519 static char domain[MAXHOSTNAMELEN + 1]; 520 static int first = 1; 521 522 if (first) { 523 first = 0; 524 if (gethostname(domain, MAXHOSTNAMELEN) == 0 && 525 (cp = index(domain, '.'))) 526 (void) strcpy(domain, cp + 1); 527 else 528 domain[0] = 0; 529 } 530 cp = 0; 531 if (!nflag) { 532 hp = gethostbyaddr((char *)&in, sizeof (struct in_addr), 533 AF_INET); 534 if (hp) { 535 if ((cp = index(hp->h_name, '.')) && 536 !strcmp(cp + 1, domain)) 537 *cp = 0; 538 cp = hp->h_name; 539 } 540 } 541 if (cp) 542 strncpy(line, cp, sizeof(line) - 1); 543 else { 544 #define C(x) ((x) & 0xff) 545 in = ntohl(in); 546 sprintf(line, "%u.%u.%u.%u", 547 C(in >> 24), C(in >> 16), C(in >> 8), C(in)); 548 } 549 return (line); 550 } 551 552 /* 553 * Return the name of the network whose address is given. 554 * The address is assumed to be that of a net or subnet, not a host. 555 */ 556 char * 557 netname(in, mask) 558 u_long in, mask; 559 { 560 char *cp = 0; 561 static char line[MAXHOSTNAMELEN + 1]; 562 struct netent *np = 0; 563 u_long net; 564 register int i; 565 int subnetshift; 566 567 i = ntohl(in); 568 if (!nflag && i) { 569 if (mask == 0) { 570 if (IN_CLASSA(i)) { 571 mask = IN_CLASSA_NET; 572 subnetshift = 8; 573 } else if (IN_CLASSB(i)) { 574 mask = IN_CLASSB_NET; 575 subnetshift = 8; 576 } else { 577 mask = IN_CLASSC_NET; 578 subnetshift = 4; 579 } 580 /* 581 * If there are more bits than the standard mask 582 * would suggest, subnets must be in use. 583 * Guess at the subnet mask, assuming reasonable 584 * width subnet fields. 585 */ 586 while (i &~ mask) 587 mask = (long)mask >> subnetshift; 588 } 589 net = i & mask; 590 while ((mask & 1) == 0) 591 mask >>= 1, net >>= 1; 592 if (!(np = getnetbyaddr(net, AF_INET))) 593 np = getnetbyaddr(i, AF_INET); 594 if (np) 595 cp = np->n_name; 596 } 597 if (cp) 598 strncpy(line, cp, sizeof(line) - 1); 599 else if ((i & 0xffffff) == 0) 600 sprintf(line, "%u", C(i >> 24)); 601 else if ((i & 0xffff) == 0) 602 sprintf(line, "%u.%u", C(i >> 24) , C(i >> 16)); 603 else if ((i & 0xff) == 0) 604 sprintf(line, "%u.%u.%u", C(i >> 24), C(i >> 16), C(i >> 8)); 605 else 606 sprintf(line, "%u.%u.%u.%u", C(i >> 24), 607 C(i >> 16), C(i >> 8), C(i)); 608 return (line); 609 } 610 611 /* 612 * Print routing statistics 613 */ 614 void 615 rt_stats(off) 616 u_long off; 617 { 618 struct rtstat rtstat; 619 620 if (off == 0) { 621 printf("rtstat: symbol not in namelist\n"); 622 return; 623 } 624 kread(off, (char *)&rtstat, sizeof (rtstat)); 625 printf("routing:\n"); 626 printf("\t%u bad routing redirect%s\n", 627 rtstat.rts_badredirect, plural(rtstat.rts_badredirect)); 628 printf("\t%u dynamically created route%s\n", 629 rtstat.rts_dynamic, plural(rtstat.rts_dynamic)); 630 printf("\t%u new gateway%s due to redirects\n", 631 rtstat.rts_newgateway, plural(rtstat.rts_newgateway)); 632 printf("\t%u destination%s found unreachable\n", 633 rtstat.rts_unreach, plural(rtstat.rts_unreach)); 634 printf("\t%u use%s of a wildcard route\n", 635 rtstat.rts_wildcard, plural(rtstat.rts_wildcard)); 636 } 637 638 char * 639 ipx_print(sa) 640 register struct sockaddr *sa; 641 { 642 u_short port; 643 struct netent *np = 0; 644 struct hostent *hp = 0; 645 struct servent *sp = 0; 646 char *net = "", *host = ""; 647 register char *p; register u_char *q; 648 struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr; 649 static char mybuf[50]; 650 char cport[10], chost[15], cnet[15]; 651 652 sp = getservbyport(work.x_port, "ipx"); 653 port = ntohs(work.x_port); 654 655 if (ipx_nullnet(work) && ipx_nullhost(work)) { 656 657 if (port) { 658 if (sp) sprintf(mybuf, "*.%s", sp->s_name); 659 else sprintf(mybuf, "*.%x", port); 660 } else 661 sprintf(mybuf, "*.*"); 662 663 return (mybuf); 664 } 665 666 if (np = getnetbyaddr(*(u_long *)&work.x_net, AF_IPX)) 667 net = np->n_name; 668 else if (ipx_wildnet(work)) 669 net = "any"; 670 else if (ipx_nullnet(work)) 671 net = "*"; 672 else { 673 q = work.x_net.c_net; 674 sprintf(cnet, "%02x%02x%02x%02x", 675 q[0], q[1], q[2], q[3]); 676 for (p = cnet; *p == '0' && p < cnet + 8; p++) 677 continue; 678 net = p; 679 } 680 681 if (hp = gethostbyaddr((char *)&work.x_host, 6, AF_IPX)) 682 host = hp->h_name; 683 else if (ipx_wildhost(work)) 684 host = "any"; 685 else if (ipx_nullhost(work)) 686 host = "*"; 687 else { 688 q = work.x_host.c_host; 689 sprintf(chost, "%02x%02x%02x%02x%02x%02x", 690 q[0], q[1], q[2], q[3], q[4], q[5]); 691 for (p = chost; *p == '0' && p < chost + 12; p++) 692 continue; 693 host = p; 694 } 695 696 if (port) { 697 if (strcmp(host, "*") == 0) host = ""; 698 if (sp) sprintf(cport, "%s%s", *host ? "." : "", sp->s_name); 699 else sprintf(cport, "%s%x", *host ? "." : "", port); 700 } else 701 *cport = 0; 702 703 sprintf(mybuf,"%s.%s%s", net, host, cport); 704 return(mybuf); 705 } 706 707 char * 708 ipx_phost(sa) 709 struct sockaddr *sa; 710 { 711 register struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)sa; 712 struct sockaddr_ipx work; 713 static union ipx_net ipx_zeronet; 714 char *p; 715 struct ipx_addr in; 716 struct hostent *hp; 717 718 work = *sipx; 719 in = work.sipx_addr; 720 721 hp = gethostbyaddr((char *)&in, sizeof(struct ipx_addr), AF_IPX); 722 if (hp) return (hp->h_name); 723 724 work.sipx_addr.x_port = 0; 725 work.sipx_addr.x_net = ipx_zeronet; 726 p = ipx_print((struct sockaddr *)&work); 727 if (strncmp("*.", p, 2) == 0) p += 2; 728 729 return(p); 730 } 731 732 short ns_nullh[] = {0,0,0}; 733 short ns_bh[] = {-1,-1,-1}; 734 735 char * 736 ns_print(sa) 737 register struct sockaddr *sa; 738 { 739 register struct sockaddr_ns *sns = (struct sockaddr_ns*)sa; 740 struct ns_addr work; 741 union { union ns_net net_e; u_long long_e; } net; 742 u_short port; 743 static char mybuf[50], cport[10], chost[25]; 744 char *host = ""; 745 register char *p; register u_char *q; 746 747 work = sns->sns_addr; 748 port = ntohs(work.x_port); 749 work.x_port = 0; 750 net.net_e = work.x_net; 751 if (ns_nullhost(work) && net.long_e == 0) { 752 if (port ) { 753 sprintf(mybuf, "*.%xH", port); 754 upHex(mybuf); 755 } else 756 sprintf(mybuf, "*.*"); 757 return (mybuf); 758 } 759 760 if (bcmp(ns_bh, work.x_host.c_host, 6) == 0) { 761 host = "any"; 762 } else if (bcmp(ns_nullh, work.x_host.c_host, 6) == 0) { 763 host = "*"; 764 } else { 765 q = work.x_host.c_host; 766 sprintf(chost, "%02x%02x%02x%02x%02x%02xH", 767 q[0], q[1], q[2], q[3], q[4], q[5]); 768 for (p = chost; *p == '0' && p < chost + 12; p++) 769 continue; 770 host = p; 771 } 772 if (port) 773 sprintf(cport, ".%xH", htons(port)); 774 else 775 *cport = 0; 776 777 sprintf(mybuf,"%xH.%s%s", ntohl(net.long_e), host, cport); 778 upHex(mybuf); 779 return(mybuf); 780 } 781 782 char * 783 ns_phost(sa) 784 struct sockaddr *sa; 785 { 786 register struct sockaddr_ns *sns = (struct sockaddr_ns *)sa; 787 struct sockaddr_ns work; 788 static union ns_net ns_zeronet; 789 char *p; 790 791 work = *sns; 792 work.sns_addr.x_port = 0; 793 work.sns_addr.x_net = ns_zeronet; 794 795 p = ns_print((struct sockaddr *)&work); 796 if (strncmp("0H.", p, 3) == 0) p += 3; 797 return(p); 798 } 799 800 void 801 upHex(p0) 802 char *p0; 803 { 804 register char *p = p0; 805 for (; *p; p++) switch (*p) { 806 807 case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': 808 *p += ('A' - 'a'); 809 } 810 } 811