Cross Reference: /freebsd-11.0-release/usr.bin/netstat/route.c

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route.c (132803)	route.c (146187)
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#if 0 35#ifndef lint 36static char sccsid[] = "From: @(#)route.c 8.6 (Berkeley) 4/28/95"; 37#endif / not lint */ 38#endif 39 40#include <sys/cdefs.h>	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#if 0 35#ifndef lint 36static char sccsid[] = "From: @(#)route.c 8.6 (Berkeley) 4/28/95"; 37#endif / not lint */ 38#endif 39 40#include <sys/cdefs.h>
41__FBSDID("$FreeBSD: head/usr.bin/netstat/route.c 132803 2004-07-28 18:18:47Z glebius $");	41__FBSDID("$FreeBSD: head/usr.bin/netstat/route.c 146187 2005-05-13 16:31:11Z ume $");
42 43#include <sys/param.h> 44#include <sys/protosw.h> 45#include <sys/socket.h> 46#include <sys/time.h> 47 48#include <net/ethernet.h> 49#include <net/if.h> 50#include <net/if_var.h> 51#include <net/if_dl.h> 52#include <net/if_types.h> 53#include <net/radix.h> 54#include <net/route.h> 55 56#include <netinet/in.h> 57#include <netipx/ipx.h> 58#include <netatalk/at.h> 59#include <netgraph/ng_socket.h> 60 61#include <sys/sysctl.h> 62 63#include <arpa/inet.h> 64#include <libutil.h> 65#include <netdb.h> 66#include <stdio.h> 67#include <stdlib.h> 68#include <string.h> 69#include <unistd.h> 70#include <err.h> 71#include <time.h> 72#include "netstat.h" 73 74#define kget(p, d) (kread((u_long)(p), (char )&(d), sizeof (d))) 75 76/ 77 * Definitions for showing gateway flags. 78 / 79struct bits { 80 u_long b_mask; 81 char b_val; 82} bits[] = { 83 { RTF_UP, 'U' }, 84 { RTF_GATEWAY, 'G' }, 85 { RTF_HOST, 'H' }, 86 { RTF_REJECT, 'R' }, 87 { RTF_DYNAMIC, 'D' }, 88 { RTF_MODIFIED, 'M' }, 89 { RTF_DONE, 'd' }, / Completed -- for routing messages only / 90 { RTF_CLONING, 'C' }, 91 { RTF_XRESOLVE, 'X' }, 92 { RTF_LLINFO, 'L' }, 93 { RTF_STATIC, 'S' }, 94 { RTF_PROTO1, '1' }, 95 { RTF_PROTO2, '2' }, 96 { RTF_WASCLONED,'W' }, 97 { RTF_PRCLONING,'c' }, 98 { RTF_PROTO3, '3' }, 99 { RTF_BLACKHOLE,'B' }, 100* { RTF_BROADCAST,'b' }, 101 { 0 , 0 } 102}; 103 104typedef union { 105 long dummy; /* Helps align structure. / 106* struct sockaddr u_sa; 107 u_short u_data[128]; 108} sa_u; 109 110static sa_u pt_u; 111 112int do_rtent = 0; 113struct rtentry rtentry; 114struct radix_node rnode; 115struct radix_mask rmask; 116struct radix_node_head rt_tables[AF_MAX+1]; 117* 118int NewTree = 0; 119 120static struct sockaddr kgetsa (struct sockaddr ); 121static void size_cols (int ef, struct radix_node rn); 122static void size_cols_tree (struct radix_node rn); 123static void size_cols_rtentry (struct rtentry rt); 124static void p_tree (struct radix_node ); 125static void p_rtnode (void); 126static void ntreestuff (void); 127static void np_rtentry (struct rt_msghdr ); 128static void p_sockaddr (struct sockaddr , struct sockaddr , int, int); 129static const char fmt_sockaddr (struct sockaddr sa, struct sockaddr mask, 130 int flags); 131static void p_flags (int, const char ); 132static const char fmt_flags(int f); 133static void p_rtentry (struct rtentry ); 134static u_long forgemask (u_long); 135static void domask (char , u_long, u_long); 136 137/* 138 * Print routing tables. 139 / 140void 141routepr(u_long rtree) 142{ 143* struct radix_node_head rnh, head; 144* int i; 145 146 printf("Routing tables\n"); 147 148 if (Aflag == 0 && NewTree) 149 ntreestuff(); 150 else { 151 if (rtree == 0) { 152 printf("rt_tables: symbol not in namelist\n"); 153 return; 154 } 155 156 kget(rtree, rt_tables); 157 for (i = 0; i <= AF_MAX; i++) { 158 if ((rnh = rt_tables[i]) == 0) 159 continue; 160 kget(rnh, head); 161 if (i == AF_UNSPEC) { 162 if (Aflag && af == 0) { 163 printf("Netmasks:\n"); 164 p_tree(head.rnh_treetop); 165 } 166 } else if (af == AF_UNSPEC \|\| af == i) { 167 size_cols(i, head.rnh_treetop); 168 pr_family(i); 169 do_rtent = 1; 170 pr_rthdr(i); 171 p_tree(head.rnh_treetop); 172 } 173 } 174 } 175} 176 177/* 178 * Print address family header before a section of the routing table. 179 / 180void 181pr_family(int af1) 182{ 183* const char afname; 184* 185 switch (af1) { 186 case AF_INET: 187 afname = "Internet"; 188 break; 189#ifdef INET6 190 case AF_INET6: 191 afname = "Internet6"; 192 break; 193#endif /INET6/ 194 case AF_IPX: 195 afname = "IPX"; 196 break; 197 case AF_ISO: 198 afname = "ISO"; 199 break; 200 case AF_APPLETALK: 201 afname = "AppleTalk"; 202 break; 203 case AF_CCITT: 204 afname = "X.25"; 205 break; 206 case AF_NETGRAPH: 207 afname = "Netgraph"; 208 break; 209 default: 210 afname = NULL; 211 break; 212 } 213 if (afname) 214 printf("\n%s:\n", afname); 215 else 216 printf("\nProtocol Family %d:\n", af1); 217} 218 219/* column widths; each followed by one space / 220#ifndef INET6 221#define WID_DST_DEFAULT(af) 18 / width of destination column / 222#define WID_GW_DEFAULT(af) 18 / width of gateway column / 223#define WID_IF_DEFAULT(af) (Wflag ? 8 : 6) / width of netif column / 224#else 225#define WID_DST_DEFAULT(af) \ 226* ((af) == AF_INET6 ? (numeric_addr ? 33: 18) : 18) 227#define WID_GW_DEFAULT(af) \ 228 ((af) == AF_INET6 ? (numeric_addr ? 29 : 18) : 18) 229#define WID_IF_DEFAULT(af) ((af) == AF_INET6 ? 8 : (Wflag ? 8 : 6)) 230#endif /INET6/ 231 232static int wid_dst; 233static int wid_gw; 234static int wid_flags; 235static int wid_refs; 236static int wid_use; 237static int wid_mtu; 238static int wid_if; 239static int wid_expire; 240 241static void 242size_cols(int ef, struct radix_node rn) 243{ 244* wid_dst = WID_DST_DEFAULT(ef); 245 wid_gw = WID_GW_DEFAULT(ef); 246 wid_flags = 6; 247 wid_refs = 6; 248 wid_use = 8; 249 wid_mtu = 6; 250 wid_if = WID_IF_DEFAULT(ef); 251 wid_expire = 6; 252 253 if (Wflag) 254 size_cols_tree(rn); 255} 256 257static void 258size_cols_tree(struct radix_node rn) 259{ 260again: 261* kget(rn, rnode); 262 if (rnode.rn_bit < 0) { 263 if ((rnode.rn_flags & RNF_ROOT) == 0) { 264 kget(rn, rtentry); 265 size_cols_rtentry(&rtentry); 266 } 267 if ((rn = rnode.rn_dupedkey)) 268 goto again; 269 } else { 270 rn = rnode.rn_right; 271 size_cols_tree(rnode.rn_left); 272 size_cols_tree(rn); 273 } 274} 275 276static void 277size_cols_rtentry(struct rtentry rt) 278{ 279* static struct ifnet ifnet, lastif; 280* struct rtentry parent; 281 static char buffer[100]; 282 const char bp; 283* struct sockaddr sa; 284* sa_u addr, mask; 285 int len; 286 287 /* 288 * Don't print protocol-cloned routes unless -a. 289 / 290* if (rt->rt_flags & RTF_WASCLONED && !aflag) { 291 kget(rt->rt_parent, parent); 292 if (parent.rt_flags & RTF_PRCLONING) 293 return; 294 } 295 296 bzero(&addr, sizeof(addr)); 297 if ((sa = kgetsa(rt_key(rt)))) 298 bcopy(sa, &addr, sa->sa_len); 299 bzero(&mask, sizeof(mask)); 300 if (rt_mask(rt) && (sa = kgetsa(rt_mask(rt)))) 301 bcopy(sa, &mask, sa->sa_len); 302 bp = fmt_sockaddr(&addr.u_sa, &mask.u_sa, rt->rt_flags); 303 len = strlen(bp); 304 wid_dst = MAX(len, wid_dst); 305 306 bp = fmt_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST); 307 len = strlen(bp); 308 wid_gw = MAX(len, wid_gw); 309 310 bp = fmt_flags(rt->rt_flags); 311 len = strlen(bp); 312 wid_flags = MAX(len, wid_flags); 313 314 if (addr.u_sa.sa_family == AF_INET \|\| Wflag) { 315 len = snprintf(buffer, sizeof(buffer), "%ld", rt->rt_refcnt); 316 wid_refs = MAX(len, wid_refs); 317 len = snprintf(buffer, sizeof(buffer), "%lu", rt->rt_use); 318 wid_use = MAX(len, wid_use); 319 if (Wflag && rt->rt_rmx.rmx_mtu != 0) { 320 len = snprintf(buffer, sizeof(buffer), 321 "%lu", rt->rt_rmx.rmx_mtu); 322 wid_mtu = MAX(len, wid_mtu); 323 } 324 } 325 if (rt->rt_ifp) { 326 if (rt->rt_ifp != lastif) { 327 kget(rt->rt_ifp, ifnet); 328 lastif = rt->rt_ifp; 329 len = strlen(ifnet.if_xname); 330 wid_if = MAX(len, wid_if); 331 } 332 if (rt->rt_rmx.rmx_expire) { 333 time_t expire_time; 334 335 if ((expire_time = 336 rt->rt_rmx.rmx_expire - time(NULL)) > 0) { 337 len = snprintf(buffer, sizeof(buffer), "%d", 338 (int)expire_time); 339 wid_expire = MAX(len, wid_expire); 340 } 341 } 342 } 343} 344 345 346/* 347 * Print header for routing table columns. 348 / 349void 350pr_rthdr(int af1) 351{ 352* 353 if (Aflag) 354 printf("%-8.8s ","Address"); 355 if (af1 == AF_INET \|\| Wflag) { 356 if (Wflag) { 357 printf("%-.s %-.s %-.s %.s %.s %.s %.s %s\n", 358* wid_dst, wid_dst, "Destination", 359 wid_gw, wid_gw, "Gateway", 360 wid_flags, wid_flags, "Flags", 361 wid_refs, wid_refs, "Refs", 362 wid_use, wid_use, "Use", 363 wid_mtu, wid_mtu, "Mtu", 364 wid_if, wid_if, "Netif", 365 wid_expire, "Expire"); 366 } else { 367 printf("%-.s %-.s %-.s %.s %.s %.s %s\n", 368* wid_dst, wid_dst, "Destination", 369 wid_gw, wid_gw, "Gateway", 370 wid_flags, wid_flags, "Flags", 371 wid_refs, wid_refs, "Refs", 372 wid_use, wid_use, "Use", 373 wid_if, wid_if, "Netif", 374 wid_expire, "Expire"); 375 } 376 } else { 377 printf("%-.s %-.s %-.s %.s %s\n", 378* wid_dst, wid_dst, "Destination", 379 wid_gw, wid_gw, "Gateway", 380 wid_flags, wid_flags, "Flags", 381 wid_if, wid_if, "Netif", 382 wid_expire, "Expire"); 383 } 384} 385 386static struct sockaddr * 387kgetsa(struct sockaddr dst) 388{ 389* 390 kget(dst, pt_u.u_sa); 391 if (pt_u.u_sa.sa_len > sizeof (pt_u.u_sa)) 392 kread((u_long)dst, (char )pt_u.u_data, pt_u.u_sa.sa_len); 393* return (&pt_u.u_sa); 394} 395 396static void 397p_tree(struct radix_node rn) 398{ 399* 400again: 401 kget(rn, rnode); 402 if (rnode.rn_bit < 0) { 403 if (Aflag) 404 printf("%-8.8lx ", (u_long)rn); 405 if (rnode.rn_flags & RNF_ROOT) { 406 if (Aflag) 407 printf("(root node)%s", 408 rnode.rn_dupedkey ? " =>\n" : "\n"); 409 } else if (do_rtent) { 410 kget(rn, rtentry); 411 p_rtentry(&rtentry); 412 if (Aflag) 413 p_rtnode(); 414 } else { 415 p_sockaddr(kgetsa((struct sockaddr )rnode.rn_key), 416* NULL, 0, 44); 417 putchar('\n'); 418 } 419 if ((rn = rnode.rn_dupedkey)) 420 goto again; 421 } else { 422 if (Aflag && do_rtent) { 423 printf("%-8.8lx ", (u_long)rn); 424 p_rtnode(); 425 } 426 rn = rnode.rn_right; 427 p_tree(rnode.rn_left); 428 p_tree(rn); 429 } 430} 431 432char nbuf[20]; 433 434static void 435p_rtnode(void) 436{ 437 struct radix_mask rm = rnode.rn_mklist; 438* 439 if (rnode.rn_bit < 0) { 440 if (rnode.rn_mask) { 441 printf("\t mask "); 442 p_sockaddr(kgetsa((struct sockaddr )rnode.rn_mask), 443* NULL, 0, -1); 444 } else if (rm == 0) 445 return; 446 } else { 447 sprintf(nbuf, "(%d)", rnode.rn_bit); 448 printf("%6.6s %8.8lx : %8.8lx", nbuf, (u_long)rnode.rn_left, (u_long)rnode.rn_right); 449 } 450 while (rm) { 451 kget(rm, rmask); 452 sprintf(nbuf, " %d refs, ", rmask.rm_refs); 453 printf(" mk = %8.8lx {(%d),%s", 454 (u_long)rm, -1 - rmask.rm_bit, rmask.rm_refs ? nbuf : " "); 455 if (rmask.rm_flags & RNF_NORMAL) { 456 struct radix_node rnode_aux; 457 printf(" <normal>, "); 458 kget(rmask.rm_leaf, rnode_aux); 459 p_sockaddr(kgetsa((struct sockaddr )rnode_aux.rn_mask), 460* NULL, 0, -1); 461 } else 462 p_sockaddr(kgetsa((struct sockaddr )rmask.rm_mask), 463* NULL, 0, -1); 464 putchar('}'); 465 if ((rm = rmask.rm_mklist)) 466 printf(" ->"); 467 } 468 putchar('\n'); 469} 470 471static void 472ntreestuff(void) 473{ 474 size_t needed; 475 int mib[6]; 476 char buf, next, lim; 477* struct rt_msghdr rtm; 478* 479 mib[0] = CTL_NET; 480 mib[1] = PF_ROUTE; 481 mib[2] = 0; 482 mib[3] = 0; 483 mib[4] = NET_RT_DUMP; 484 mib[5] = 0; 485 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) { 486 err(1, "sysctl: net.route.0.0.dump estimate"); 487 } 488 489 if ((buf = malloc(needed)) == 0) { 490 errx(2, "malloc(%lu)", (unsigned long)needed); 491 } 492 if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) { 493 err(1, "sysctl: net.route.0.0.dump"); 494 } 495 lim = buf + needed; 496 for (next = buf; next < lim; next += rtm->rtm_msglen) { 497 rtm = (struct rt_msghdr )next; 498* np_rtentry(rtm); 499 } 500} 501 502static void 503np_rtentry(struct rt_msghdr rtm) 504{ 505* struct sockaddr sa = (struct sockaddr )(rtm + 1); 506#ifdef notdef 507 static int masks_done, banner_printed; 508#endif 509 static int old_af; 510 int af1 = 0, interesting = RTF_UP \| RTF_GATEWAY \| RTF_HOST; 511 512#ifdef notdef 513 /* for the moment, netmasks are skipped over / 514* if (!banner_printed) { 515 printf("Netmasks:\n"); 516 banner_printed = 1; 517 } 518 if (masks_done == 0) { 519 if (rtm->rtm_addrs != RTA_DST ) { 520 masks_done = 1; 521 af1 = sa->sa_family; 522 } 523 } else 524#endif 525 af1 = sa->sa_family; 526 if (af1 != old_af) { 527 pr_family(af1); 528 old_af = af1; 529 } 530 if (rtm->rtm_addrs == RTA_DST) 531 p_sockaddr(sa, NULL, 0, 36); 532 else { 533 p_sockaddr(sa, NULL, rtm->rtm_flags, 16); 534 sa = (struct sockaddr )(SA_SIZE(sa) + (char )sa); 535 p_sockaddr(sa, NULL, 0, 18); 536 } 537 p_flags(rtm->rtm_flags & interesting, "%-6.6s "); 538 putchar('\n'); 539} 540 541static void 542p_sockaddr(struct sockaddr sa, struct sockaddr mask, int flags, int width) 543{ 544 const char cp; 545* 546 cp = fmt_sockaddr(sa, mask, flags); 547 548 if (width < 0 ) 549 printf("%s ", cp); 550 else { 551 if (numeric_addr) 552 printf("%-s ", width, cp); 553* else 554 printf("%-.s ", width, width, cp); 555 } 556} 557 558static const char * 559fmt_sockaddr(struct sockaddr sa, struct sockaddr mask, int flags) 560{ 561 static char workbuf[128]; 562 const char cp; 563* 564 switch(sa->sa_family) { 565 case AF_INET: 566 { 567 struct sockaddr_in sockin = (struct sockaddr_in )sa; 568 569 if ((sockin->sin_addr.s_addr == INADDR_ANY) && 570 mask && 571 ntohl(((struct sockaddr_in )mask)->sin_addr.s_addr) 572* ==0L) 573 cp = "default" ; 574 else if (flags & RTF_HOST) 575 cp = routename(sockin->sin_addr.s_addr); 576 else if (mask) 577 cp = netname(sockin->sin_addr.s_addr, 578 ntohl(((struct sockaddr_in )mask) 579* ->sin_addr.s_addr)); 580 else 581 cp = netname(sockin->sin_addr.s_addr, 0L); 582 break; 583 } 584 585#ifdef INET6 586 case AF_INET6: 587 { 588 struct sockaddr_in6 sa6 = (struct sockaddr_in6 )sa; 589 struct in6_addr in6 = &sa6->sin6_addr; 590* 591 /* 592 * XXX: This is a special workaround for KAME kernels. 593 * sin6_scope_id field of SA should be set in the future. 594 / 595* if (IN6_IS_ADDR_LINKLOCAL(in6) \|\| 596 IN6_IS_ADDR_MC_LINKLOCAL(in6)) { 597 /* XXX: override is ok? / 598* sa6->sin6_scope_id = (u_int32_t)ntohs((u_short )&in6->s6_addr[2]); 599 (u_short )&in6->s6_addr[2] = 0; 600 } 601 602 if (flags & RTF_HOST) 603 cp = routename6(sa6); 604 else if (mask) 605 cp = netname6(sa6, 606 &((struct sockaddr_in6 )mask)->sin6_addr); 607* else { 608 cp = netname6(sa6, NULL); 609 } 610 break; 611 } 612#endif /INET6/ 613 614 case AF_IPX: 615 { 616 struct ipx_addr work = ((struct sockaddr_ipx )sa)->sipx_addr; 617* if (ipx_nullnet(satoipx_addr(work))) 618 cp = "default"; 619 else 620 cp = ipx_print(sa); 621 break; 622 } 623 case AF_APPLETALK: 624 { 625 if (!(flags & RTF_HOST) && mask) 626 cp = atalk_print2(sa,mask,9); 627 else 628 cp = atalk_print(sa,11); 629 break; 630 } 631 case AF_NETGRAPH: 632 { 633 printf("%s", ((struct sockaddr_ng )sa)->sg_data); 634* break; 635 } 636 637 case AF_LINK: 638 { 639 struct sockaddr_dl sdl = (struct sockaddr_dl )sa; 640 641 if (sdl->sdl_nlen == 0 && sdl->sdl_alen == 0 && 642 sdl->sdl_slen == 0) { 643 (void) sprintf(workbuf, "link#%d", sdl->sdl_index); 644 cp = workbuf; 645 } else 646 switch (sdl->sdl_type) { 647 648 case IFT_ETHER: 649 case IFT_L2VLAN: 650 if (sdl->sdl_alen == ETHER_ADDR_LEN) { 651 cp = ether_ntoa((struct ether_addr ) 652* (sdl->sdl_data + sdl->sdl_nlen)); 653 break; 654 } 655 /* FALLTHROUGH / 656* default: 657 cp = link_ntoa(sdl); 658 break; 659 } 660 break; 661 } 662 663 default: 664 { 665 u_char s = (u_char )sa->sa_data, slim; 666* char cq, cqlim; 667 668 cq = workbuf; 669 slim = sa->sa_len + (u_char ) sa; 670* cqlim = cq + sizeof(workbuf) - 6; 671 cq += sprintf(cq, "(%d)", sa->sa_family); 672 while (s < slim && cq < cqlim) { 673 cq += sprintf(cq, " %02x", s++); 674* if (s < slim) 675 cq += sprintf(cq, "%02x", s++); 676* } 677 cp = workbuf; 678 } 679 } 680 681 return (cp); 682} 683 684static void 685p_flags(int f, const char format) 686{ 687* printf(format, fmt_flags(f)); 688} 689 690static const char * 691fmt_flags(int f) 692{ 693 static char name[33]; 694 char flags; 695* struct bits p = bits; 696* 697 for (flags = name; p->b_mask; p++) 698 if (p->b_mask & f) 699 flags++ = p->b_val; 700* flags = '\0'; 701* return (name); 702} 703 704static void 705p_rtentry(struct rtentry rt) 706{ 707* static struct ifnet ifnet, lastif; 708* struct rtentry parent; 709 static char buffer[128]; 710 static char prettyname[128]; 711 struct sockaddr sa; 712* sa_u addr, mask; 713 714 /* 715 * Don't print protocol-cloned routes unless -a. 716 / 717* if (rt->rt_flags & RTF_WASCLONED && !aflag) { 718 kget(rt->rt_parent, parent); 719 if (parent.rt_flags & RTF_PRCLONING) 720 return; 721 } 722 723 bzero(&addr, sizeof(addr)); 724 if ((sa = kgetsa(rt_key(rt)))) 725 bcopy(sa, &addr, sa->sa_len); 726 bzero(&mask, sizeof(mask)); 727 if (rt_mask(rt) && (sa = kgetsa(rt_mask(rt)))) 728 bcopy(sa, &mask, sa->sa_len); 729 p_sockaddr(&addr.u_sa, &mask.u_sa, rt->rt_flags, wid_dst); 730 p_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST, wid_gw); 731 snprintf(buffer, sizeof(buffer), "%%-%d.%ds ", wid_flags, wid_flags); 732 p_flags(rt->rt_flags, buffer); 733 if (addr.u_sa.sa_family == AF_INET \|\| Wflag) { 734 printf("%ld %lu ", wid_refs, rt->rt_refcnt, 735 wid_use, rt->rt_use); 736 if (Wflag) { 737 if (rt->rt_rmx.rmx_mtu != 0) 738 printf("%lu ", wid_mtu, rt->rt_rmx.rmx_mtu); 739* else 740 printf("%s ", wid_mtu, ""); 741* } 742 } 743 if (rt->rt_ifp) { 744 if (rt->rt_ifp != lastif) { 745 kget(rt->rt_ifp, ifnet); 746 lastif = rt->rt_ifp; 747 strlcpy(prettyname, ifnet.if_xname, sizeof(prettyname)); 748 } 749 printf("%.s", wid_if, wid_if, prettyname); 750 if (rt->rt_rmx.rmx_expire) { 751 time_t expire_time; 752 753 if ((expire_time = 754 rt->rt_rmx.rmx_expire - time((time_t )0)) > 0) 755* printf(" %d", wid_expire, (int)expire_time); 756* } 757 if (rt->rt_nodes[0].rn_dupedkey) 758 printf(" =>"); 759 } 760 putchar('\n'); 761} 762 763char * 764routename(u_long in) 765{ 766 char cp; 767* static char line[MAXHOSTNAMELEN]; 768 struct hostent hp; 769* 770 cp = 0; 771 if (!numeric_addr) { 772 hp = gethostbyaddr((char )&in, sizeof (struct in_addr), 773* AF_INET); 774 if (hp) { 775 cp = hp->h_name; 776 trimdomain(cp, strlen(cp)); 777 } 778 } 779 if (cp) { 780 strncpy(line, cp, sizeof(line) - 1); 781 line[sizeof(line) - 1] = '\0'; 782 } else { 783#define C(x) ((x) & 0xff) 784 in = ntohl(in); 785 sprintf(line, "%lu.%lu.%lu.%lu", 786 C(in >> 24), C(in >> 16), C(in >> 8), C(in)); 787 } 788 return (line); 789} 790 791static u_long 792forgemask(u_long a) 793{ 794 u_long m; 795 796 if (IN_CLASSA(a)) 797 m = IN_CLASSA_NET; 798 else if (IN_CLASSB(a)) 799 m = IN_CLASSB_NET; 800 else 801 m = IN_CLASSC_NET; 802 return (m); 803} 804 805static void 806domask(char dst, u_long addr, u_long mask) 807{ 808* int b, i; 809 810 if (!mask \|\| (forgemask(addr) == mask)) { 811 dst = '\0'; 812* return; 813 } 814 i = 0; 815 for (b = 0; b < 32; b++) 816 if (mask & (1 << b)) { 817 int bb; 818 819 i = b; 820 for (bb = b+1; bb < 32; bb++) 821 if (!(mask & (1 << bb))) { 822 i = -1; /* noncontig / 823* break; 824 } 825 break; 826 } 827 if (i == -1) 828 sprintf(dst, "&0x%lx", mask); 829 else 830 sprintf(dst, "/%d", 32-i); 831} 832 833/* 834 * Return the name of the network whose address is given. 835 * The address is assumed to be that of a net or subnet, not a host. 836 / 837char 838netname(u_long in, u_long mask) 839{ 840 char cp = 0; 841* static char line[MAXHOSTNAMELEN]; 842 struct netent np = 0; 843* u_long dmask; 844 u_long i; 845 846#define NSHIFT(m) ( \ 847 (m) == IN_CLASSA_NET ? IN_CLASSA_NSHIFT : \ 848 (m) == IN_CLASSB_NET ? IN_CLASSB_NSHIFT : \ 849 (m) == IN_CLASSC_NET ? IN_CLASSC_NSHIFT : \ 850 0) 851 852 i = ntohl(in); 853 dmask = forgemask(i); 854 if (!numeric_addr && i) { 855 np = getnetbyaddr(i >> NSHIFT(mask), AF_INET); 856 if (np == NULL && mask == 0) 857 np = getnetbyaddr(i >> NSHIFT(dmask), AF_INET); 858 if (np != NULL) { 859 cp = np->n_name; 860 trimdomain(cp, strlen(cp)); 861 } 862 } 863#undef NSHIFT 864 if (cp != NULL) { 865 strncpy(line, cp, sizeof(line) - 1); 866 line[sizeof(line) - 1] = '\0'; 867 } else { 868 switch (dmask) { 869 case IN_CLASSA_NET: 870 if ((i & IN_CLASSA_HOST) == 0) { 871 sprintf(line, "%lu", C(i >> 24)); 872 break; 873 } 874 /* FALLTHROUGH / 875* case IN_CLASSB_NET: 876 if ((i & IN_CLASSB_HOST) == 0) { 877 sprintf(line, "%lu.%lu", 878 C(i >> 24), C(i >> 16)); 879 break; 880 } 881 /* FALLTHROUGH / 882* case IN_CLASSC_NET: 883 if ((i & IN_CLASSC_HOST) == 0) { 884 sprintf(line, "%lu.%lu.%lu", 885 C(i >> 24), C(i >> 16), C(i >> 8)); 886 break; 887 } 888 /* FALLTHROUGH / 889* default: 890 sprintf(line, "%lu.%lu.%lu.%lu", 891 C(i >> 24), C(i >> 16), C(i >> 8), C(i)); 892 break; 893 } 894 } 895 domask(line + strlen(line), i, mask); 896 return (line); 897} 898 899#ifdef INET6 900const char * 901netname6(struct sockaddr_in6 sa6, struct in6_addr mask) 902{ 903 static char line[MAXHOSTNAMELEN]; 904 u_char p = (u_char )mask; 905 u_char *lim;	42 43#include <sys/param.h> 44#include <sys/protosw.h> 45#include <sys/socket.h> 46#include <sys/time.h> 47 48#include <net/ethernet.h> 49#include <net/if.h> 50#include <net/if_var.h> 51#include <net/if_dl.h> 52#include <net/if_types.h> 53#include <net/radix.h> 54#include <net/route.h> 55 56#include <netinet/in.h> 57#include <netipx/ipx.h> 58#include <netatalk/at.h> 59#include <netgraph/ng_socket.h> 60 61#include <sys/sysctl.h> 62 63#include <arpa/inet.h> 64#include <libutil.h> 65#include <netdb.h> 66#include <stdio.h> 67#include <stdlib.h> 68#include <string.h> 69#include <unistd.h> 70#include <err.h> 71#include <time.h> 72#include "netstat.h" 73 74#define kget(p, d) (kread((u_long)(p), (char )&(d), sizeof (d))) 75 76/ 77 * Definitions for showing gateway flags. 78 / 79struct bits { 80 u_long b_mask; 81 char b_val; 82} bits[] = { 83 { RTF_UP, 'U' }, 84 { RTF_GATEWAY, 'G' }, 85 { RTF_HOST, 'H' }, 86 { RTF_REJECT, 'R' }, 87 { RTF_DYNAMIC, 'D' }, 88 { RTF_MODIFIED, 'M' }, 89 { RTF_DONE, 'd' }, / Completed -- for routing messages only / 90 { RTF_CLONING, 'C' }, 91 { RTF_XRESOLVE, 'X' }, 92 { RTF_LLINFO, 'L' }, 93 { RTF_STATIC, 'S' }, 94 { RTF_PROTO1, '1' }, 95 { RTF_PROTO2, '2' }, 96 { RTF_WASCLONED,'W' }, 97 { RTF_PRCLONING,'c' }, 98 { RTF_PROTO3, '3' }, 99 { RTF_BLACKHOLE,'B' }, 100* { RTF_BROADCAST,'b' }, 101 { 0 , 0 } 102}; 103 104typedef union { 105 long dummy; /* Helps align structure. / 106* struct sockaddr u_sa; 107 u_short u_data[128]; 108} sa_u; 109 110static sa_u pt_u; 111 112int do_rtent = 0; 113struct rtentry rtentry; 114struct radix_node rnode; 115struct radix_mask rmask; 116struct radix_node_head rt_tables[AF_MAX+1]; 117* 118int NewTree = 0; 119 120static struct sockaddr kgetsa (struct sockaddr ); 121static void size_cols (int ef, struct radix_node rn); 122static void size_cols_tree (struct radix_node rn); 123static void size_cols_rtentry (struct rtentry rt); 124static void p_tree (struct radix_node ); 125static void p_rtnode (void); 126static void ntreestuff (void); 127static void np_rtentry (struct rt_msghdr ); 128static void p_sockaddr (struct sockaddr , struct sockaddr , int, int); 129static const char fmt_sockaddr (struct sockaddr sa, struct sockaddr mask, 130 int flags); 131static void p_flags (int, const char ); 132static const char fmt_flags(int f); 133static void p_rtentry (struct rtentry ); 134static u_long forgemask (u_long); 135static void domask (char , u_long, u_long); 136 137/* 138 * Print routing tables. 139 / 140void 141routepr(u_long rtree) 142{ 143* struct radix_node_head rnh, head; 144* int i; 145 146 printf("Routing tables\n"); 147 148 if (Aflag == 0 && NewTree) 149 ntreestuff(); 150 else { 151 if (rtree == 0) { 152 printf("rt_tables: symbol not in namelist\n"); 153 return; 154 } 155 156 kget(rtree, rt_tables); 157 for (i = 0; i <= AF_MAX; i++) { 158 if ((rnh = rt_tables[i]) == 0) 159 continue; 160 kget(rnh, head); 161 if (i == AF_UNSPEC) { 162 if (Aflag && af == 0) { 163 printf("Netmasks:\n"); 164 p_tree(head.rnh_treetop); 165 } 166 } else if (af == AF_UNSPEC \|\| af == i) { 167 size_cols(i, head.rnh_treetop); 168 pr_family(i); 169 do_rtent = 1; 170 pr_rthdr(i); 171 p_tree(head.rnh_treetop); 172 } 173 } 174 } 175} 176 177/* 178 * Print address family header before a section of the routing table. 179 / 180void 181pr_family(int af1) 182{ 183* const char afname; 184* 185 switch (af1) { 186 case AF_INET: 187 afname = "Internet"; 188 break; 189#ifdef INET6 190 case AF_INET6: 191 afname = "Internet6"; 192 break; 193#endif /INET6/ 194 case AF_IPX: 195 afname = "IPX"; 196 break; 197 case AF_ISO: 198 afname = "ISO"; 199 break; 200 case AF_APPLETALK: 201 afname = "AppleTalk"; 202 break; 203 case AF_CCITT: 204 afname = "X.25"; 205 break; 206 case AF_NETGRAPH: 207 afname = "Netgraph"; 208 break; 209 default: 210 afname = NULL; 211 break; 212 } 213 if (afname) 214 printf("\n%s:\n", afname); 215 else 216 printf("\nProtocol Family %d:\n", af1); 217} 218 219/* column widths; each followed by one space / 220#ifndef INET6 221#define WID_DST_DEFAULT(af) 18 / width of destination column / 222#define WID_GW_DEFAULT(af) 18 / width of gateway column / 223#define WID_IF_DEFAULT(af) (Wflag ? 8 : 6) / width of netif column / 224#else 225#define WID_DST_DEFAULT(af) \ 226* ((af) == AF_INET6 ? (numeric_addr ? 33: 18) : 18) 227#define WID_GW_DEFAULT(af) \ 228 ((af) == AF_INET6 ? (numeric_addr ? 29 : 18) : 18) 229#define WID_IF_DEFAULT(af) ((af) == AF_INET6 ? 8 : (Wflag ? 8 : 6)) 230#endif /INET6/ 231 232static int wid_dst; 233static int wid_gw; 234static int wid_flags; 235static int wid_refs; 236static int wid_use; 237static int wid_mtu; 238static int wid_if; 239static int wid_expire; 240 241static void 242size_cols(int ef, struct radix_node rn) 243{ 244* wid_dst = WID_DST_DEFAULT(ef); 245 wid_gw = WID_GW_DEFAULT(ef); 246 wid_flags = 6; 247 wid_refs = 6; 248 wid_use = 8; 249 wid_mtu = 6; 250 wid_if = WID_IF_DEFAULT(ef); 251 wid_expire = 6; 252 253 if (Wflag) 254 size_cols_tree(rn); 255} 256 257static void 258size_cols_tree(struct radix_node rn) 259{ 260again: 261* kget(rn, rnode); 262 if (rnode.rn_bit < 0) { 263 if ((rnode.rn_flags & RNF_ROOT) == 0) { 264 kget(rn, rtentry); 265 size_cols_rtentry(&rtentry); 266 } 267 if ((rn = rnode.rn_dupedkey)) 268 goto again; 269 } else { 270 rn = rnode.rn_right; 271 size_cols_tree(rnode.rn_left); 272 size_cols_tree(rn); 273 } 274} 275 276static void 277size_cols_rtentry(struct rtentry rt) 278{ 279* static struct ifnet ifnet, lastif; 280* struct rtentry parent; 281 static char buffer[100]; 282 const char bp; 283* struct sockaddr sa; 284* sa_u addr, mask; 285 int len; 286 287 /* 288 * Don't print protocol-cloned routes unless -a. 289 / 290* if (rt->rt_flags & RTF_WASCLONED && !aflag) { 291 kget(rt->rt_parent, parent); 292 if (parent.rt_flags & RTF_PRCLONING) 293 return; 294 } 295 296 bzero(&addr, sizeof(addr)); 297 if ((sa = kgetsa(rt_key(rt)))) 298 bcopy(sa, &addr, sa->sa_len); 299 bzero(&mask, sizeof(mask)); 300 if (rt_mask(rt) && (sa = kgetsa(rt_mask(rt)))) 301 bcopy(sa, &mask, sa->sa_len); 302 bp = fmt_sockaddr(&addr.u_sa, &mask.u_sa, rt->rt_flags); 303 len = strlen(bp); 304 wid_dst = MAX(len, wid_dst); 305 306 bp = fmt_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST); 307 len = strlen(bp); 308 wid_gw = MAX(len, wid_gw); 309 310 bp = fmt_flags(rt->rt_flags); 311 len = strlen(bp); 312 wid_flags = MAX(len, wid_flags); 313 314 if (addr.u_sa.sa_family == AF_INET \|\| Wflag) { 315 len = snprintf(buffer, sizeof(buffer), "%ld", rt->rt_refcnt); 316 wid_refs = MAX(len, wid_refs); 317 len = snprintf(buffer, sizeof(buffer), "%lu", rt->rt_use); 318 wid_use = MAX(len, wid_use); 319 if (Wflag && rt->rt_rmx.rmx_mtu != 0) { 320 len = snprintf(buffer, sizeof(buffer), 321 "%lu", rt->rt_rmx.rmx_mtu); 322 wid_mtu = MAX(len, wid_mtu); 323 } 324 } 325 if (rt->rt_ifp) { 326 if (rt->rt_ifp != lastif) { 327 kget(rt->rt_ifp, ifnet); 328 lastif = rt->rt_ifp; 329 len = strlen(ifnet.if_xname); 330 wid_if = MAX(len, wid_if); 331 } 332 if (rt->rt_rmx.rmx_expire) { 333 time_t expire_time; 334 335 if ((expire_time = 336 rt->rt_rmx.rmx_expire - time(NULL)) > 0) { 337 len = snprintf(buffer, sizeof(buffer), "%d", 338 (int)expire_time); 339 wid_expire = MAX(len, wid_expire); 340 } 341 } 342 } 343} 344 345 346/* 347 * Print header for routing table columns. 348 / 349void 350pr_rthdr(int af1) 351{ 352* 353 if (Aflag) 354 printf("%-8.8s ","Address"); 355 if (af1 == AF_INET \|\| Wflag) { 356 if (Wflag) { 357 printf("%-.s %-.s %-.s %.s %.s %.s %.s %s\n", 358* wid_dst, wid_dst, "Destination", 359 wid_gw, wid_gw, "Gateway", 360 wid_flags, wid_flags, "Flags", 361 wid_refs, wid_refs, "Refs", 362 wid_use, wid_use, "Use", 363 wid_mtu, wid_mtu, "Mtu", 364 wid_if, wid_if, "Netif", 365 wid_expire, "Expire"); 366 } else { 367 printf("%-.s %-.s %-.s %.s %.s %.s %s\n", 368* wid_dst, wid_dst, "Destination", 369 wid_gw, wid_gw, "Gateway", 370 wid_flags, wid_flags, "Flags", 371 wid_refs, wid_refs, "Refs", 372 wid_use, wid_use, "Use", 373 wid_if, wid_if, "Netif", 374 wid_expire, "Expire"); 375 } 376 } else { 377 printf("%-.s %-.s %-.s %.s %s\n", 378* wid_dst, wid_dst, "Destination", 379 wid_gw, wid_gw, "Gateway", 380 wid_flags, wid_flags, "Flags", 381 wid_if, wid_if, "Netif", 382 wid_expire, "Expire"); 383 } 384} 385 386static struct sockaddr * 387kgetsa(struct sockaddr dst) 388{ 389* 390 kget(dst, pt_u.u_sa); 391 if (pt_u.u_sa.sa_len > sizeof (pt_u.u_sa)) 392 kread((u_long)dst, (char )pt_u.u_data, pt_u.u_sa.sa_len); 393* return (&pt_u.u_sa); 394} 395 396static void 397p_tree(struct radix_node rn) 398{ 399* 400again: 401 kget(rn, rnode); 402 if (rnode.rn_bit < 0) { 403 if (Aflag) 404 printf("%-8.8lx ", (u_long)rn); 405 if (rnode.rn_flags & RNF_ROOT) { 406 if (Aflag) 407 printf("(root node)%s", 408 rnode.rn_dupedkey ? " =>\n" : "\n"); 409 } else if (do_rtent) { 410 kget(rn, rtentry); 411 p_rtentry(&rtentry); 412 if (Aflag) 413 p_rtnode(); 414 } else { 415 p_sockaddr(kgetsa((struct sockaddr )rnode.rn_key), 416* NULL, 0, 44); 417 putchar('\n'); 418 } 419 if ((rn = rnode.rn_dupedkey)) 420 goto again; 421 } else { 422 if (Aflag && do_rtent) { 423 printf("%-8.8lx ", (u_long)rn); 424 p_rtnode(); 425 } 426 rn = rnode.rn_right; 427 p_tree(rnode.rn_left); 428 p_tree(rn); 429 } 430} 431 432char nbuf[20]; 433 434static void 435p_rtnode(void) 436{ 437 struct radix_mask rm = rnode.rn_mklist; 438* 439 if (rnode.rn_bit < 0) { 440 if (rnode.rn_mask) { 441 printf("\t mask "); 442 p_sockaddr(kgetsa((struct sockaddr )rnode.rn_mask), 443* NULL, 0, -1); 444 } else if (rm == 0) 445 return; 446 } else { 447 sprintf(nbuf, "(%d)", rnode.rn_bit); 448 printf("%6.6s %8.8lx : %8.8lx", nbuf, (u_long)rnode.rn_left, (u_long)rnode.rn_right); 449 } 450 while (rm) { 451 kget(rm, rmask); 452 sprintf(nbuf, " %d refs, ", rmask.rm_refs); 453 printf(" mk = %8.8lx {(%d),%s", 454 (u_long)rm, -1 - rmask.rm_bit, rmask.rm_refs ? nbuf : " "); 455 if (rmask.rm_flags & RNF_NORMAL) { 456 struct radix_node rnode_aux; 457 printf(" <normal>, "); 458 kget(rmask.rm_leaf, rnode_aux); 459 p_sockaddr(kgetsa((struct sockaddr )rnode_aux.rn_mask), 460* NULL, 0, -1); 461 } else 462 p_sockaddr(kgetsa((struct sockaddr )rmask.rm_mask), 463* NULL, 0, -1); 464 putchar('}'); 465 if ((rm = rmask.rm_mklist)) 466 printf(" ->"); 467 } 468 putchar('\n'); 469} 470 471static void 472ntreestuff(void) 473{ 474 size_t needed; 475 int mib[6]; 476 char buf, next, lim; 477* struct rt_msghdr rtm; 478* 479 mib[0] = CTL_NET; 480 mib[1] = PF_ROUTE; 481 mib[2] = 0; 482 mib[3] = 0; 483 mib[4] = NET_RT_DUMP; 484 mib[5] = 0; 485 if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) { 486 err(1, "sysctl: net.route.0.0.dump estimate"); 487 } 488 489 if ((buf = malloc(needed)) == 0) { 490 errx(2, "malloc(%lu)", (unsigned long)needed); 491 } 492 if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) { 493 err(1, "sysctl: net.route.0.0.dump"); 494 } 495 lim = buf + needed; 496 for (next = buf; next < lim; next += rtm->rtm_msglen) { 497 rtm = (struct rt_msghdr )next; 498* np_rtentry(rtm); 499 } 500} 501 502static void 503np_rtentry(struct rt_msghdr rtm) 504{ 505* struct sockaddr sa = (struct sockaddr )(rtm + 1); 506#ifdef notdef 507 static int masks_done, banner_printed; 508#endif 509 static int old_af; 510 int af1 = 0, interesting = RTF_UP \| RTF_GATEWAY \| RTF_HOST; 511 512#ifdef notdef 513 /* for the moment, netmasks are skipped over / 514* if (!banner_printed) { 515 printf("Netmasks:\n"); 516 banner_printed = 1; 517 } 518 if (masks_done == 0) { 519 if (rtm->rtm_addrs != RTA_DST ) { 520 masks_done = 1; 521 af1 = sa->sa_family; 522 } 523 } else 524#endif 525 af1 = sa->sa_family; 526 if (af1 != old_af) { 527 pr_family(af1); 528 old_af = af1; 529 } 530 if (rtm->rtm_addrs == RTA_DST) 531 p_sockaddr(sa, NULL, 0, 36); 532 else { 533 p_sockaddr(sa, NULL, rtm->rtm_flags, 16); 534 sa = (struct sockaddr )(SA_SIZE(sa) + (char )sa); 535 p_sockaddr(sa, NULL, 0, 18); 536 } 537 p_flags(rtm->rtm_flags & interesting, "%-6.6s "); 538 putchar('\n'); 539} 540 541static void 542p_sockaddr(struct sockaddr sa, struct sockaddr mask, int flags, int width) 543{ 544 const char cp; 545* 546 cp = fmt_sockaddr(sa, mask, flags); 547 548 if (width < 0 ) 549 printf("%s ", cp); 550 else { 551 if (numeric_addr) 552 printf("%-s ", width, cp); 553* else 554 printf("%-.s ", width, width, cp); 555 } 556} 557 558static const char * 559fmt_sockaddr(struct sockaddr sa, struct sockaddr mask, int flags) 560{ 561 static char workbuf[128]; 562 const char cp; 563* 564 switch(sa->sa_family) { 565 case AF_INET: 566 { 567 struct sockaddr_in sockin = (struct sockaddr_in )sa; 568 569 if ((sockin->sin_addr.s_addr == INADDR_ANY) && 570 mask && 571 ntohl(((struct sockaddr_in )mask)->sin_addr.s_addr) 572* ==0L) 573 cp = "default" ; 574 else if (flags & RTF_HOST) 575 cp = routename(sockin->sin_addr.s_addr); 576 else if (mask) 577 cp = netname(sockin->sin_addr.s_addr, 578 ntohl(((struct sockaddr_in )mask) 579* ->sin_addr.s_addr)); 580 else 581 cp = netname(sockin->sin_addr.s_addr, 0L); 582 break; 583 } 584 585#ifdef INET6 586 case AF_INET6: 587 { 588 struct sockaddr_in6 sa6 = (struct sockaddr_in6 )sa; 589 struct in6_addr in6 = &sa6->sin6_addr; 590* 591 /* 592 * XXX: This is a special workaround for KAME kernels. 593 * sin6_scope_id field of SA should be set in the future. 594 / 595* if (IN6_IS_ADDR_LINKLOCAL(in6) \|\| 596 IN6_IS_ADDR_MC_LINKLOCAL(in6)) { 597 /* XXX: override is ok? / 598* sa6->sin6_scope_id = (u_int32_t)ntohs((u_short )&in6->s6_addr[2]); 599 (u_short )&in6->s6_addr[2] = 0; 600 } 601 602 if (flags & RTF_HOST) 603 cp = routename6(sa6); 604 else if (mask) 605 cp = netname6(sa6, 606 &((struct sockaddr_in6 )mask)->sin6_addr); 607* else { 608 cp = netname6(sa6, NULL); 609 } 610 break; 611 } 612#endif /INET6/ 613 614 case AF_IPX: 615 { 616 struct ipx_addr work = ((struct sockaddr_ipx )sa)->sipx_addr; 617* if (ipx_nullnet(satoipx_addr(work))) 618 cp = "default"; 619 else 620 cp = ipx_print(sa); 621 break; 622 } 623 case AF_APPLETALK: 624 { 625 if (!(flags & RTF_HOST) && mask) 626 cp = atalk_print2(sa,mask,9); 627 else 628 cp = atalk_print(sa,11); 629 break; 630 } 631 case AF_NETGRAPH: 632 { 633 printf("%s", ((struct sockaddr_ng )sa)->sg_data); 634* break; 635 } 636 637 case AF_LINK: 638 { 639 struct sockaddr_dl sdl = (struct sockaddr_dl )sa; 640 641 if (sdl->sdl_nlen == 0 && sdl->sdl_alen == 0 && 642 sdl->sdl_slen == 0) { 643 (void) sprintf(workbuf, "link#%d", sdl->sdl_index); 644 cp = workbuf; 645 } else 646 switch (sdl->sdl_type) { 647 648 case IFT_ETHER: 649 case IFT_L2VLAN: 650 if (sdl->sdl_alen == ETHER_ADDR_LEN) { 651 cp = ether_ntoa((struct ether_addr ) 652* (sdl->sdl_data + sdl->sdl_nlen)); 653 break; 654 } 655 /* FALLTHROUGH / 656* default: 657 cp = link_ntoa(sdl); 658 break; 659 } 660 break; 661 } 662 663 default: 664 { 665 u_char s = (u_char )sa->sa_data, slim; 666* char cq, cqlim; 667 668 cq = workbuf; 669 slim = sa->sa_len + (u_char ) sa; 670* cqlim = cq + sizeof(workbuf) - 6; 671 cq += sprintf(cq, "(%d)", sa->sa_family); 672 while (s < slim && cq < cqlim) { 673 cq += sprintf(cq, " %02x", s++); 674* if (s < slim) 675 cq += sprintf(cq, "%02x", s++); 676* } 677 cp = workbuf; 678 } 679 } 680 681 return (cp); 682} 683 684static void 685p_flags(int f, const char format) 686{ 687* printf(format, fmt_flags(f)); 688} 689 690static const char * 691fmt_flags(int f) 692{ 693 static char name[33]; 694 char flags; 695* struct bits p = bits; 696* 697 for (flags = name; p->b_mask; p++) 698 if (p->b_mask & f) 699 flags++ = p->b_val; 700* flags = '\0'; 701* return (name); 702} 703 704static void 705p_rtentry(struct rtentry rt) 706{ 707* static struct ifnet ifnet, lastif; 708* struct rtentry parent; 709 static char buffer[128]; 710 static char prettyname[128]; 711 struct sockaddr sa; 712* sa_u addr, mask; 713 714 /* 715 * Don't print protocol-cloned routes unless -a. 716 / 717* if (rt->rt_flags & RTF_WASCLONED && !aflag) { 718 kget(rt->rt_parent, parent); 719 if (parent.rt_flags & RTF_PRCLONING) 720 return; 721 } 722 723 bzero(&addr, sizeof(addr)); 724 if ((sa = kgetsa(rt_key(rt)))) 725 bcopy(sa, &addr, sa->sa_len); 726 bzero(&mask, sizeof(mask)); 727 if (rt_mask(rt) && (sa = kgetsa(rt_mask(rt)))) 728 bcopy(sa, &mask, sa->sa_len); 729 p_sockaddr(&addr.u_sa, &mask.u_sa, rt->rt_flags, wid_dst); 730 p_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST, wid_gw); 731 snprintf(buffer, sizeof(buffer), "%%-%d.%ds ", wid_flags, wid_flags); 732 p_flags(rt->rt_flags, buffer); 733 if (addr.u_sa.sa_family == AF_INET \|\| Wflag) { 734 printf("%ld %lu ", wid_refs, rt->rt_refcnt, 735 wid_use, rt->rt_use); 736 if (Wflag) { 737 if (rt->rt_rmx.rmx_mtu != 0) 738 printf("%lu ", wid_mtu, rt->rt_rmx.rmx_mtu); 739* else 740 printf("%s ", wid_mtu, ""); 741* } 742 } 743 if (rt->rt_ifp) { 744 if (rt->rt_ifp != lastif) { 745 kget(rt->rt_ifp, ifnet); 746 lastif = rt->rt_ifp; 747 strlcpy(prettyname, ifnet.if_xname, sizeof(prettyname)); 748 } 749 printf("%.s", wid_if, wid_if, prettyname); 750 if (rt->rt_rmx.rmx_expire) { 751 time_t expire_time; 752 753 if ((expire_time = 754 rt->rt_rmx.rmx_expire - time((time_t )0)) > 0) 755* printf(" %d", wid_expire, (int)expire_time); 756* } 757 if (rt->rt_nodes[0].rn_dupedkey) 758 printf(" =>"); 759 } 760 putchar('\n'); 761} 762 763char * 764routename(u_long in) 765{ 766 char cp; 767* static char line[MAXHOSTNAMELEN]; 768 struct hostent hp; 769* 770 cp = 0; 771 if (!numeric_addr) { 772 hp = gethostbyaddr((char )&in, sizeof (struct in_addr), 773* AF_INET); 774 if (hp) { 775 cp = hp->h_name; 776 trimdomain(cp, strlen(cp)); 777 } 778 } 779 if (cp) { 780 strncpy(line, cp, sizeof(line) - 1); 781 line[sizeof(line) - 1] = '\0'; 782 } else { 783#define C(x) ((x) & 0xff) 784 in = ntohl(in); 785 sprintf(line, "%lu.%lu.%lu.%lu", 786 C(in >> 24), C(in >> 16), C(in >> 8), C(in)); 787 } 788 return (line); 789} 790 791static u_long 792forgemask(u_long a) 793{ 794 u_long m; 795 796 if (IN_CLASSA(a)) 797 m = IN_CLASSA_NET; 798 else if (IN_CLASSB(a)) 799 m = IN_CLASSB_NET; 800 else 801 m = IN_CLASSC_NET; 802 return (m); 803} 804 805static void 806domask(char dst, u_long addr, u_long mask) 807{ 808* int b, i; 809 810 if (!mask \|\| (forgemask(addr) == mask)) { 811 dst = '\0'; 812* return; 813 } 814 i = 0; 815 for (b = 0; b < 32; b++) 816 if (mask & (1 << b)) { 817 int bb; 818 819 i = b; 820 for (bb = b+1; bb < 32; bb++) 821 if (!(mask & (1 << bb))) { 822 i = -1; /* noncontig / 823* break; 824 } 825 break; 826 } 827 if (i == -1) 828 sprintf(dst, "&0x%lx", mask); 829 else 830 sprintf(dst, "/%d", 32-i); 831} 832 833/* 834 * Return the name of the network whose address is given. 835 * The address is assumed to be that of a net or subnet, not a host. 836 / 837char 838netname(u_long in, u_long mask) 839{ 840 char cp = 0; 841* static char line[MAXHOSTNAMELEN]; 842 struct netent np = 0; 843* u_long dmask; 844 u_long i; 845 846#define NSHIFT(m) ( \ 847 (m) == IN_CLASSA_NET ? IN_CLASSA_NSHIFT : \ 848 (m) == IN_CLASSB_NET ? IN_CLASSB_NSHIFT : \ 849 (m) == IN_CLASSC_NET ? IN_CLASSC_NSHIFT : \ 850 0) 851 852 i = ntohl(in); 853 dmask = forgemask(i); 854 if (!numeric_addr && i) { 855 np = getnetbyaddr(i >> NSHIFT(mask), AF_INET); 856 if (np == NULL && mask == 0) 857 np = getnetbyaddr(i >> NSHIFT(dmask), AF_INET); 858 if (np != NULL) { 859 cp = np->n_name; 860 trimdomain(cp, strlen(cp)); 861 } 862 } 863#undef NSHIFT 864 if (cp != NULL) { 865 strncpy(line, cp, sizeof(line) - 1); 866 line[sizeof(line) - 1] = '\0'; 867 } else { 868 switch (dmask) { 869 case IN_CLASSA_NET: 870 if ((i & IN_CLASSA_HOST) == 0) { 871 sprintf(line, "%lu", C(i >> 24)); 872 break; 873 } 874 /* FALLTHROUGH / 875* case IN_CLASSB_NET: 876 if ((i & IN_CLASSB_HOST) == 0) { 877 sprintf(line, "%lu.%lu", 878 C(i >> 24), C(i >> 16)); 879 break; 880 } 881 /* FALLTHROUGH / 882* case IN_CLASSC_NET: 883 if ((i & IN_CLASSC_HOST) == 0) { 884 sprintf(line, "%lu.%lu.%lu", 885 C(i >> 24), C(i >> 16), C(i >> 8)); 886 break; 887 } 888 /* FALLTHROUGH / 889* default: 890 sprintf(line, "%lu.%lu.%lu.%lu", 891 C(i >> 24), C(i >> 16), C(i >> 8), C(i)); 892 break; 893 } 894 } 895 domask(line + strlen(line), i, mask); 896 return (line); 897} 898 899#ifdef INET6 900const char * 901netname6(struct sockaddr_in6 sa6, struct in6_addr mask) 902{ 903 static char line[MAXHOSTNAMELEN]; 904 u_char p = (u_char )mask; 905 u_char *lim;
906 int masklen, illegal = 0, flag = NI_WITHSCOPEID;	906 int masklen, illegal = 0, flag = 0;
907 908 if (mask) { 909 for (masklen = 0, lim = p + 16; p < lim; p++) { 910 switch (p) { 911* case 0xff: 912 masklen += 8; 913 break; 914 case 0xfe: 915 masklen += 7; 916 break; 917 case 0xfc: 918 masklen += 6; 919 break; 920 case 0xf8: 921 masklen += 5; 922 break; 923 case 0xf0: 924 masklen += 4; 925 break; 926 case 0xe0: 927 masklen += 3; 928 break; 929 case 0xc0: 930 masklen += 2; 931 break; 932 case 0x80: 933 masklen += 1; 934 break; 935 case 0x00: 936 break; 937 default: 938 illegal ++; 939 break; 940 } 941 } 942 if (illegal) 943 fprintf(stderr, "illegal prefixlen\n"); 944 } 945 else 946 masklen = 128; 947 948 if (masklen == 0 && IN6_IS_ADDR_UNSPECIFIED(&sa6->sin6_addr)) 949 return("default"); 950 951 if (numeric_addr) 952 flag \|= NI_NUMERICHOST; 953 getnameinfo((struct sockaddr )sa6, sa6->sin6_len, line, sizeof(line), 954* NULL, 0, flag); 955 956 if (numeric_addr) 957 sprintf(&line[strlen(line)], "/%d", masklen); 958 959 return line; 960} 961 962char * 963routename6(struct sockaddr_in6 sa6) 964{ 965* static char line[MAXHOSTNAMELEN];	907 908 if (mask) { 909 for (masklen = 0, lim = p + 16; p < lim; p++) { 910 switch (p) { 911* case 0xff: 912 masklen += 8; 913 break; 914 case 0xfe: 915 masklen += 7; 916 break; 917 case 0xfc: 918 masklen += 6; 919 break; 920 case 0xf8: 921 masklen += 5; 922 break; 923 case 0xf0: 924 masklen += 4; 925 break; 926 case 0xe0: 927 masklen += 3; 928 break; 929 case 0xc0: 930 masklen += 2; 931 break; 932 case 0x80: 933 masklen += 1; 934 break; 935 case 0x00: 936 break; 937 default: 938 illegal ++; 939 break; 940 } 941 } 942 if (illegal) 943 fprintf(stderr, "illegal prefixlen\n"); 944 } 945 else 946 masklen = 128; 947 948 if (masklen == 0 && IN6_IS_ADDR_UNSPECIFIED(&sa6->sin6_addr)) 949 return("default"); 950 951 if (numeric_addr) 952 flag \|= NI_NUMERICHOST; 953 getnameinfo((struct sockaddr )sa6, sa6->sin6_len, line, sizeof(line), 954* NULL, 0, flag); 955 956 if (numeric_addr) 957 sprintf(&line[strlen(line)], "/%d", masklen); 958 959 return line; 960} 961 962char * 963routename6(struct sockaddr_in6 sa6) 964{ 965* static char line[MAXHOSTNAMELEN];
966 int flag = NI_WITHSCOPEID;	966 int flag = 0;
967 /* use local variable for safety / 968* struct sockaddr_in6 sa6_local = {AF_INET6, sizeof(sa6_local),}; 969 970 sa6_local.sin6_addr = sa6->sin6_addr; 971 sa6_local.sin6_scope_id = sa6->sin6_scope_id; 972 973 if (numeric_addr) 974 flag \|= NI_NUMERICHOST; 975 976 getnameinfo((struct sockaddr )&sa6_local, sa6_local.sin6_len, 977* line, sizeof(line), NULL, 0, flag); 978 979 return line; 980} 981#endif /INET6/ 982 983/* 984 * Print routing statistics 985 / 986void 987rt_stats(u_long rtsaddr, u_long rttaddr) 988{ 989* struct rtstat rtstat; 990 int rttrash; 991 992 if (rtsaddr == 0) { 993 printf("rtstat: symbol not in namelist\n"); 994 return; 995 } 996 if (rttaddr == 0) { 997 printf("rttrash: symbol not in namelist\n"); 998 return; 999 } 1000 kread(rtsaddr, (char )&rtstat, sizeof (rtstat)); 1001* kread(rttaddr, (char )&rttrash, sizeof (rttrash)); 1002* printf("routing:\n"); 1003 1004#define p(f, m) if (rtstat.f \|\| sflag <= 1) \ 1005 printf(m, rtstat.f, plural(rtstat.f)) 1006 1007 p(rts_badredirect, "\t%u bad routing redirect%s\n"); 1008 p(rts_dynamic, "\t%u dynamically created route%s\n"); 1009 p(rts_newgateway, "\t%u new gateway%s due to redirects\n"); 1010 p(rts_unreach, "\t%u destination%s found unreachable\n"); 1011 p(rts_wildcard, "\t%u use%s of a wildcard route\n"); 1012#undef p 1013 1014 if (rttrash \|\| sflag <= 1) 1015 printf("\t%u route%s not in table but not freed\n", 1016 rttrash, plural(rttrash)); 1017} 1018 1019char * 1020ipx_print(struct sockaddr sa) 1021{ 1022* u_short port; 1023 struct servent sp = 0; 1024* const char net = "", host = ""; 1025 char p; 1026* u_char q; 1027* struct ipx_addr work = ((struct sockaddr_ipx )sa)->sipx_addr; 1028* static char mybuf[50]; 1029 char cport[10], chost[15], cnet[15]; 1030 1031 port = ntohs(work.x_port); 1032 1033 if (ipx_nullnet(work) && ipx_nullhost(work)) { 1034 1035 if (port) { 1036 if (sp) 1037 sprintf(mybuf, ".%s", sp->s_name); 1038* else 1039 sprintf(mybuf, ".%x", port); 1040* } else 1041 sprintf(mybuf, "."); 1042 1043 return (mybuf); 1044 } 1045 1046 if (ipx_wildnet(work)) 1047 net = "any"; 1048 else if (ipx_nullnet(work)) 1049 net = ""; 1050* else { 1051 q = work.x_net.c_net; 1052 sprintf(cnet, "%02x%02x%02x%02x", 1053 q[0], q[1], q[2], q[3]); 1054 for (p = cnet; p == '0' && p < cnet + 8; p++) 1055* continue; 1056 net = p; 1057 } 1058 1059 if (ipx_wildhost(work)) 1060 host = "any"; 1061 else if (ipx_nullhost(work)) 1062 host = ""; 1063* else { 1064 q = work.x_host.c_host; 1065 sprintf(chost, "%02x%02x%02x%02x%02x%02x", 1066 q[0], q[1], q[2], q[3], q[4], q[5]); 1067 for (p = chost; p == '0' && p < chost + 12; p++) 1068* continue; 1069 host = p; 1070 } 1071 1072 if (port) { 1073 if (strcmp(host, "") == 0) 1074* host = ""; 1075 if (sp) 1076 snprintf(cport, sizeof(cport), 1077 "%s%s", host ? "." : "", sp->s_name); 1078* else 1079 snprintf(cport, sizeof(cport), 1080 "%s%x", host ? "." : "", port); 1081* } else 1082 cport = 0; 1083* 1084 snprintf(mybuf, sizeof(mybuf), "%s.%s%s", net, host, cport); 1085 return(mybuf); 1086} 1087 1088char * 1089ipx_phost(struct sockaddr sa) 1090{ 1091* struct sockaddr_ipx sipx = (struct sockaddr_ipx )sa; 1092 struct sockaddr_ipx work; 1093 static union ipx_net ipx_zeronet; 1094 char p; 1095* struct ipx_addr in; 1096 1097 work = sipx; 1098* in = work.sipx_addr; 1099 1100 work.sipx_addr.x_port = 0; 1101 work.sipx_addr.x_net = ipx_zeronet; 1102 p = ipx_print((struct sockaddr )&work); 1103* if (strncmp(".", p, 2) == 0) p += 2; 1104* 1105 return(p); 1106} 1107 1108void 1109upHex(char p0) 1110{ 1111* char p = p0; 1112* 1113 for (; p; p++) 1114* switch (p) { 1115* 1116 case 'a': 1117 case 'b': 1118 case 'c': 1119 case 'd': 1120 case 'e': 1121 case 'f': 1122 p += ('A' - 'a'); 1123* break; 1124 } 1125}	967 /* use local variable for safety / 968* struct sockaddr_in6 sa6_local = {AF_INET6, sizeof(sa6_local),}; 969 970 sa6_local.sin6_addr = sa6->sin6_addr; 971 sa6_local.sin6_scope_id = sa6->sin6_scope_id; 972 973 if (numeric_addr) 974 flag \|= NI_NUMERICHOST; 975 976 getnameinfo((struct sockaddr )&sa6_local, sa6_local.sin6_len, 977* line, sizeof(line), NULL, 0, flag); 978 979 return line; 980} 981#endif /INET6/ 982 983/* 984 * Print routing statistics 985 / 986void 987rt_stats(u_long rtsaddr, u_long rttaddr) 988{ 989* struct rtstat rtstat; 990 int rttrash; 991 992 if (rtsaddr == 0) { 993 printf("rtstat: symbol not in namelist\n"); 994 return; 995 } 996 if (rttaddr == 0) { 997 printf("rttrash: symbol not in namelist\n"); 998 return; 999 } 1000 kread(rtsaddr, (char )&rtstat, sizeof (rtstat)); 1001* kread(rttaddr, (char )&rttrash, sizeof (rttrash)); 1002* printf("routing:\n"); 1003 1004#define p(f, m) if (rtstat.f \|\| sflag <= 1) \ 1005 printf(m, rtstat.f, plural(rtstat.f)) 1006 1007 p(rts_badredirect, "\t%u bad routing redirect%s\n"); 1008 p(rts_dynamic, "\t%u dynamically created route%s\n"); 1009 p(rts_newgateway, "\t%u new gateway%s due to redirects\n"); 1010 p(rts_unreach, "\t%u destination%s found unreachable\n"); 1011 p(rts_wildcard, "\t%u use%s of a wildcard route\n"); 1012#undef p 1013 1014 if (rttrash \|\| sflag <= 1) 1015 printf("\t%u route%s not in table but not freed\n", 1016 rttrash, plural(rttrash)); 1017} 1018 1019char * 1020ipx_print(struct sockaddr sa) 1021{ 1022* u_short port; 1023 struct servent sp = 0; 1024* const char net = "", host = ""; 1025 char p; 1026* u_char q; 1027* struct ipx_addr work = ((struct sockaddr_ipx )sa)->sipx_addr; 1028* static char mybuf[50]; 1029 char cport[10], chost[15], cnet[15]; 1030 1031 port = ntohs(work.x_port); 1032 1033 if (ipx_nullnet(work) && ipx_nullhost(work)) { 1034 1035 if (port) { 1036 if (sp) 1037 sprintf(mybuf, ".%s", sp->s_name); 1038* else 1039 sprintf(mybuf, ".%x", port); 1040* } else 1041 sprintf(mybuf, "."); 1042 1043 return (mybuf); 1044 } 1045 1046 if (ipx_wildnet(work)) 1047 net = "any"; 1048 else if (ipx_nullnet(work)) 1049 net = ""; 1050* else { 1051 q = work.x_net.c_net; 1052 sprintf(cnet, "%02x%02x%02x%02x", 1053 q[0], q[1], q[2], q[3]); 1054 for (p = cnet; p == '0' && p < cnet + 8; p++) 1055* continue; 1056 net = p; 1057 } 1058 1059 if (ipx_wildhost(work)) 1060 host = "any"; 1061 else if (ipx_nullhost(work)) 1062 host = ""; 1063* else { 1064 q = work.x_host.c_host; 1065 sprintf(chost, "%02x%02x%02x%02x%02x%02x", 1066 q[0], q[1], q[2], q[3], q[4], q[5]); 1067 for (p = chost; p == '0' && p < chost + 12; p++) 1068* continue; 1069 host = p; 1070 } 1071 1072 if (port) { 1073 if (strcmp(host, "") == 0) 1074* host = ""; 1075 if (sp) 1076 snprintf(cport, sizeof(cport), 1077 "%s%s", host ? "." : "", sp->s_name); 1078* else 1079 snprintf(cport, sizeof(cport), 1080 "%s%x", host ? "." : "", port); 1081* } else 1082 cport = 0; 1083* 1084 snprintf(mybuf, sizeof(mybuf), "%s.%s%s", net, host, cport); 1085 return(mybuf); 1086} 1087 1088char * 1089ipx_phost(struct sockaddr sa) 1090{ 1091* struct sockaddr_ipx sipx = (struct sockaddr_ipx )sa; 1092 struct sockaddr_ipx work; 1093 static union ipx_net ipx_zeronet; 1094 char p; 1095* struct ipx_addr in; 1096 1097 work = sipx; 1098* in = work.sipx_addr; 1099 1100 work.sipx_addr.x_port = 0; 1101 work.sipx_addr.x_net = ipx_zeronet; 1102 p = ipx_print((struct sockaddr )&work); 1103* if (strncmp(".", p, 2) == 0) p += 2; 1104* 1105 return(p); 1106} 1107 1108void 1109upHex(char p0) 1110{ 1111* char p = p0; 1112* 1113 for (; p; p++) 1114* switch (p) { 1115* 1116 case 'a': 1117 case 'b': 1118 case 'c': 1119 case 'd': 1120 case 'e': 1121 case 'f': 1122 p += ('A' - 'a'); 1123* break; 1124 } 1125}