Annotation of src/usr.bin/netstat/route.c, Revision 1.50
1.50 ! deraadt 1: /* $OpenBSD: route.c,v 1.49 2002/09/23 17:48:46 deraadt Exp $ */
1.2 deraadt 2: /* $NetBSD: route.c,v 1.15 1996/05/07 02:55:06 thorpej Exp $ */
1.1 deraadt 3:
4: /*
5: * Copyright (c) 1983, 1988, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed by the University of
19: * California, Berkeley and its contributors.
20: * 4. Neither the name of the University nor the names of its contributors
21: * may be used to endorse or promote products derived from this software
22: * without specific prior written permission.
23: *
24: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34: * SUCH DAMAGE.
35: */
36:
37: #ifndef lint
38: #if 0
39: static char sccsid[] = "from: @(#)route.c 8.3 (Berkeley) 3/9/94";
40: #else
1.50 ! deraadt 41: static char *rcsid = "$OpenBSD: route.c,v 1.49 2002/09/23 17:48:46 deraadt Exp $";
1.1 deraadt 42: #endif
43: #endif /* not lint */
44:
45: #include <sys/param.h>
46: #include <sys/protosw.h>
47: #include <sys/socket.h>
48: #include <sys/mbuf.h>
49:
50: #include <net/if.h>
51: #include <net/if_dl.h>
52: #include <net/if_types.h>
53: #define _KERNEL
54: #include <net/route.h>
55: #undef _KERNEL
56: #include <netinet/in.h>
1.13 millert 57: #include <arpa/inet.h>
1.1 deraadt 58:
59: #include <netns/ns.h>
60:
1.5 mickey 61: #include <netipx/ipx.h>
62:
1.18 denny 63: #include <netatalk/at.h>
64:
1.1 deraadt 65: #include <sys/sysctl.h>
66:
1.30 itojun 67: #include <arpa/inet.h>
68:
1.15 millert 69: #include <limits.h>
1.1 deraadt 70: #include <netdb.h>
71: #include <stdio.h>
72: #include <stdlib.h>
73: #include <string.h>
74: #include <unistd.h>
1.9 angelos 75:
76: #ifndef INET
77: #define INET
78: #endif
79:
1.26 angelos 80: #include <sys/socket.h>
81: #include <netinet/ip_ipsp.h>
1.1 deraadt 82: #include "netstat.h"
83:
84: #define kget(p, d) (kread((u_long)(p), (char *)&(d), sizeof (d)))
85:
1.29 deraadt 86: /* alignment constraint for routing socket */
87: #define ROUNDUP(a) \
88: ((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long))
89: #define ADVANCE(x, n) (x += ROUNDUP((n)->sa_len))
90:
1.1 deraadt 91: /*
92: * Definitions for showing gateway flags.
93: */
94: struct bits {
95: short b_mask;
96: char b_val;
97: } bits[] = {
98: { RTF_UP, 'U' },
99: { RTF_GATEWAY, 'G' },
100: { RTF_HOST, 'H' },
101: { RTF_REJECT, 'R' },
1.34 deraadt 102: { RTF_BLACKHOLE, 'B' },
1.1 deraadt 103: { RTF_DYNAMIC, 'D' },
104: { RTF_MODIFIED, 'M' },
105: { RTF_DONE, 'd' }, /* Completed -- for routing messages only */
106: { RTF_MASK, 'm' }, /* Mask Present -- for routing messages only */
107: { RTF_CLONING, 'C' },
108: { RTF_XRESOLVE, 'X' },
109: { RTF_LLINFO, 'L' },
110: { RTF_STATIC, 'S' },
111: { RTF_PROTO1, '1' },
112: { RTF_PROTO2, '2' },
1.40 niklas 113: { RTF_PROTO3, '3' },
1.1 deraadt 114: { 0 }
115: };
116:
117: static union {
1.6 deraadt 118: struct sockaddr u_sa;
119: u_int32_t u_data[64];
1.29 deraadt 120: int u_dummy; /* force word-alignment */
1.1 deraadt 121: } pt_u;
122:
123: int do_rtent = 0;
124: struct rtentry rtentry;
125: struct radix_node rnode;
126: struct radix_mask rmask;
127:
128: int NewTree = 0;
129:
1.45 millert 130: static struct sockaddr *kgetsa(struct sockaddr *);
131: static void p_tree(struct radix_node *);
132: static void p_rtnode();
1.49 deraadt 133: static void p_rtflags(u_char);
1.45 millert 134: static void ntreestuff();
135: static void np_rtentry(struct rt_msghdr *);
136: static void p_sockaddr(struct sockaddr *, struct sockaddr *, int, int);
137: static void p_flags(int, char *);
138: static void p_rtentry(struct rtentry *);
139: static void encap_print(struct rtentry *);
1.1 deraadt 140:
141: /*
142: * Print routing tables.
143: */
144: void
1.50 ! deraadt 145: routepr(u_long rtree)
1.1 deraadt 146: {
147: struct radix_node_head *rnh, head;
148: int i;
149:
150: printf("Routing tables\n");
151:
152: if (Aflag == 0 && NewTree)
153: ntreestuff();
154: else {
155: if (rtree == 0) {
156: printf("rt_tables: symbol not in namelist\n");
157: return;
158: }
159:
160: kget(rtree, rt_tables);
161: for (i = 0; i <= AF_MAX; i++) {
162: if ((rnh = rt_tables[i]) == 0)
163: continue;
164: kget(rnh, head);
165: if (i == AF_UNSPEC) {
166: if (Aflag && af == 0) {
167: printf("Netmasks:\n");
168: p_tree(head.rnh_treetop);
169: }
170: } else if (af == AF_UNSPEC || af == i) {
171: pr_family(i);
172: do_rtent = 1;
1.26 angelos 173: if (i != PF_KEY)
1.30 itojun 174: pr_rthdr(i);
1.9 angelos 175: else
1.10 deraadt 176: pr_encaphdr();
1.1 deraadt 177: p_tree(head.rnh_treetop);
178: }
179: }
180: }
181: }
182:
183: /*
184: * Print address family header before a section of the routing table.
185: */
186: void
1.50 ! deraadt 187: pr_family(int af)
1.1 deraadt 188: {
189: char *afname;
190:
191: switch (af) {
192: case AF_INET:
193: afname = "Internet";
194: break;
1.30 itojun 195: #ifdef INET6
196: case AF_INET6:
197: afname = "Internet6";
198: break;
1.44 mickey 199: #endif
1.1 deraadt 200: case AF_NS:
201: afname = "XNS";
202: break;
1.5 mickey 203: case AF_IPX:
204: afname = "IPX";
205: break;
1.1 deraadt 206: case AF_ISO:
207: afname = "ISO";
208: break;
209: case AF_CCITT:
210: afname = "X.25";
211: break;
1.26 angelos 212: case PF_KEY:
1.10 deraadt 213: afname = "Encap";
1.9 angelos 214: break;
1.18 denny 215: case AF_APPLETALK:
216: afname = "AppleTalk";
217: break;
1.1 deraadt 218: default:
219: afname = NULL;
220: break;
221: }
222: if (afname)
223: printf("\n%s:\n", afname);
224: else
225: printf("\nProtocol Family %d:\n", af);
226: }
227:
228: /* column widths; each followed by one space */
1.30 itojun 229: #ifndef INET6
230: #define WID_DST(af) 18 /* width of destination column */
231: #define WID_GW(af) 18 /* width of gateway column */
232: #else
233: /* width of destination/gateway column */
234: #ifdef KAME_SCOPEID
235: /* strlen("fe80::aaaa:bbbb:cccc:dddd@gif0") == 30, strlen("/128") == 4 */
236: #define WID_DST(af) ((af) == AF_INET6 ? (nflag ? 34 : 18) : 18)
237: #define WID_GW(af) ((af) == AF_INET6 ? (nflag ? 30 : 18) : 18)
238: #else
239: /* strlen("fe80::aaaa:bbbb:cccc:dddd") == 25, strlen("/128") == 4 */
240: #define WID_DST(af) ((af) == AF_INET6 ? (nflag ? 29 : 18) : 18)
241: #define WID_GW(af) ((af) == AF_INET6 ? (nflag ? 25 : 18) : 18)
242: #endif
243: #endif /* INET6 */
1.1 deraadt 244:
245: /*
246: * Print header for routing table columns.
247: */
248: void
1.50 ! deraadt 249: pr_rthdr(int af)
1.1 deraadt 250: {
251:
252: if (Aflag)
1.15 millert 253: printf("%-*.*s ", PLEN, PLEN, "Address");
1.20 kstailey 254: printf("%-*.*s %-*.*s %-6.6s %6.6s %6.6s %6.6s %s\n",
1.46 deraadt 255: WID_DST(af), WID_DST(af), "Destination",
256: WID_GW(af), WID_GW(af), "Gateway",
257: "Flags", "Refs", "Use", "Mtu", "Interface");
1.1 deraadt 258: }
259:
1.9 angelos 260: /*
1.26 angelos 261: * Print header for PF_KEY entries.
1.9 angelos 262: */
263: void
1.50 ! deraadt 264: pr_encaphdr(void)
1.9 angelos 265: {
1.10 deraadt 266: if (Aflag)
1.15 millert 267: printf("%-*s ", PLEN, "Address");
1.28 ho 268: printf("%-18s %-5s %-18s %-5s %-5s %-22s\n",
1.44 mickey 269: "Source", "Port", "Destination",
1.38 angelos 270: "Port", "Proto", "SA(Address/Proto/Type/Direction)");
1.9 angelos 271: }
272:
1.1 deraadt 273: static struct sockaddr *
1.50 ! deraadt 274: kgetsa(struct sockaddr *dst)
1.1 deraadt 275: {
276:
277: kget(dst, pt_u.u_sa);
278: if (pt_u.u_sa.sa_len > sizeof (pt_u.u_sa))
279: kread((u_long)dst, (char *)pt_u.u_data, pt_u.u_sa.sa_len);
280: return (&pt_u.u_sa);
281: }
282:
283: static void
1.50 ! deraadt 284: p_tree(struct radix_node *rn)
1.1 deraadt 285: {
286:
287: again:
288: kget(rn, rnode);
289: if (rnode.rn_b < 0) {
290: if (Aflag)
1.14 millert 291: printf("%-16p ", rn);
1.1 deraadt 292: if (rnode.rn_flags & RNF_ROOT) {
293: if (Aflag)
294: printf("(root node)%s",
295: rnode.rn_dupedkey ? " =>\n" : "\n");
296: } else if (do_rtent) {
297: kget(rn, rtentry);
298: p_rtentry(&rtentry);
299: if (Aflag)
300: p_rtnode();
301: } else {
302: p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_key),
1.21 peter 303: 0, 0, 44);
1.1 deraadt 304: putchar('\n');
305: }
1.13 millert 306: if ((rn = rnode.rn_dupedkey))
1.1 deraadt 307: goto again;
308: } else {
309: if (Aflag && do_rtent) {
1.14 millert 310: printf("%-16p ", rn);
1.1 deraadt 311: p_rtnode();
312: }
313: rn = rnode.rn_r;
314: p_tree(rnode.rn_l);
315: p_tree(rn);
316: }
317: }
318:
1.49 deraadt 319: static void
320: p_rtflags(u_char flags)
321: {
322: putchar('<');
323: if (flags & RNF_NORMAL)
324: putchar('N');
325: if (flags & RNF_ROOT)
326: putchar('R');
327: if (flags & RNF_ACTIVE)
328: putchar('A');
329: if (flags & RNF_IGNORE)
330: putchar('I');
331: if (flags & ~(RNF_NORMAL | RNF_ROOT | RNF_ACTIVE | RNF_IGNORE))
332: printf("/0x%02x", flags);
333: putchar('>');
334: }
335:
1.23 deraadt 336: char nbuf[25];
1.1 deraadt 337:
338: static void
1.50 ! deraadt 339: p_rtnode(void)
1.1 deraadt 340: {
341: struct radix_mask *rm = rnode.rn_mklist;
342:
343: if (rnode.rn_b < 0) {
344: if (rnode.rn_mask) {
345: printf("\t mask ");
346: p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_mask),
1.21 peter 347: 0, 0, -1);
1.1 deraadt 348: } else if (rm == 0)
349: return;
350: } else {
1.23 deraadt 351: snprintf(nbuf, sizeof nbuf, "(%d)", rnode.rn_b);
1.14 millert 352: printf("%6.6s %16p : %16p", nbuf, rnode.rn_l,
353: rnode.rn_r);
1.1 deraadt 354: }
1.49 deraadt 355:
356: putchar(' ');
357: p_rtflags(rnode.rn_flags);
358:
1.1 deraadt 359: while (rm) {
360: kget(rm, rmask);
1.23 deraadt 361: snprintf(nbuf, sizeof nbuf, " %d refs, ", rmask.rm_refs);
1.14 millert 362: printf(" mk = %16p {(%d),%s",
1.46 deraadt 363: rm, -1 - rmask.rm_b, rmask.rm_refs ? nbuf : " ");
1.49 deraadt 364: p_rtflags(rmask.rm_flags);
365: printf(", ");
366: if (rmask.rm_flags & RNF_NORMAL) {
367: struct radix_node rnode_aux;
368:
369: printf("leaf = %p ", rmask.rm_leaf);
370: kget(rmask.rm_leaf, rnode_aux);
371: p_sockaddr(kgetsa((struct sockaddr *)rnode_aux.rn_mask),
372: 0, 0, -1);
373: } else
374: p_sockaddr(kgetsa((struct sockaddr *)rmask.rm_mask),
375: 0, 0, -1);
1.1 deraadt 376: putchar('}');
1.13 millert 377: if ((rm = rmask.rm_mklist))
1.1 deraadt 378: printf(" ->");
379: }
380: putchar('\n');
381: }
382:
383: static void
1.50 ! deraadt 384: ntreestuff(void)
1.1 deraadt 385: {
386: size_t needed;
387: int mib[6];
388: char *buf, *next, *lim;
1.43 mpech 389: struct rt_msghdr *rtm;
1.1 deraadt 390:
1.10 deraadt 391: mib[0] = CTL_NET;
392: mib[1] = PF_ROUTE;
393: mib[2] = 0;
394: mib[3] = 0;
395: mib[4] = NET_RT_DUMP;
396: mib[5] = 0;
397: if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) {
398: perror("route-sysctl-estimate");
399: exit(1);
400: }
401: if ((buf = malloc(needed)) == 0) {
402: printf("out of space\n");
403: exit(1);
404: }
1.44 mickey 405: if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) {
1.10 deraadt 406: perror("sysctl of routing table");
407: exit(1);
408: }
409: lim = buf + needed;
1.1 deraadt 410: for (next = buf; next < lim; next += rtm->rtm_msglen) {
411: rtm = (struct rt_msghdr *)next;
412: np_rtentry(rtm);
413: }
414: }
415:
416: static void
1.50 ! deraadt 417: np_rtentry(struct rt_msghdr *rtm)
1.1 deraadt 418: {
1.43 mpech 419: struct sockaddr *sa = (struct sockaddr *)(rtm + 1);
1.1 deraadt 420: #ifdef notdef
421: static int masks_done, banner_printed;
422: #endif
423: static int old_af;
424: int af = 0, interesting = RTF_UP | RTF_GATEWAY | RTF_HOST;
425:
426: #ifdef notdef
427: /* for the moment, netmasks are skipped over */
428: if (!banner_printed) {
429: printf("Netmasks:\n");
430: banner_printed = 1;
431: }
432: if (masks_done == 0) {
433: if (rtm->rtm_addrs != RTA_DST ) {
434: masks_done = 1;
435: af = sa->sa_family;
436: }
437: } else
438: #endif
439: af = sa->sa_family;
440: if (af != old_af) {
441: pr_family(af);
442: old_af = af;
443: }
444: if (rtm->rtm_addrs == RTA_DST)
1.21 peter 445: p_sockaddr(sa, 0, 0, 36);
1.1 deraadt 446: else {
1.21 peter 447: p_sockaddr(sa, 0, rtm->rtm_flags, 16);
1.29 deraadt 448: sa = (struct sockaddr *)(ROUNDUP(sa->sa_len) + (char *)sa);
1.21 peter 449: p_sockaddr(sa, 0, 0, 18);
1.1 deraadt 450: }
451: p_flags(rtm->rtm_flags & interesting, "%-6.6s ");
452: putchar('\n');
453: }
454:
455: static void
1.50 ! deraadt 456: p_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags, int width)
1.1 deraadt 457: {
458: char workbuf[128], *cplim;
1.43 mpech 459: char *cp = workbuf;
1.25 millert 460: size_t n;
1.1 deraadt 461:
1.36 itojun 462: switch (sa->sa_family) {
1.1 deraadt 463: case AF_INET:
464: {
1.43 mpech 465: struct sockaddr_in *sin = (struct sockaddr_in *)sa;
466: struct sockaddr_in *msin = (struct sockaddr_in *)mask;
1.1 deraadt 467:
468: cp = (sin->sin_addr.s_addr == 0) ? "default" :
1.46 deraadt 469: ((flags & RTF_HOST) || mask == NULL ?
470: routename(sin->sin_addr.s_addr) :
471: netname(sin->sin_addr.s_addr, msin->sin_addr.s_addr));
1.21 peter 472:
1.1 deraadt 473: break;
474: }
475:
1.30 itojun 476: #ifdef INET6
477: case AF_INET6:
478: {
479: struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)sa;
480: #ifdef KAME_SCOPEID
481: struct in6_addr *in6 = &sa6->sin6_addr;
482:
483: /*
484: * XXX: This is a special workaround for KAME kernels.
485: * sin6_scope_id field of SA should be set in the future.
486: */
487: if (IN6_IS_ADDR_LINKLOCAL(in6) ||
488: IN6_IS_ADDR_MC_LINKLOCAL(in6)) {
1.46 deraadt 489: /* XXX: override is ok? */
490: sa6->sin6_scope_id = (u_int32_t)ntohs(*(u_short *)
491: &in6->s6_addr[2]);
492: *(u_short *)&in6->s6_addr[2] = 0;
1.30 itojun 493: }
494: #endif
495: if (flags & RTF_HOST)
496: cp = routename6(sa6);
497: else if (mask) {
498: cp = netname6(sa6,
1.46 deraadt 499: &((struct sockaddr_in6 *)mask)->sin6_addr);
1.30 itojun 500: } else
501: cp = netname6(sa6, NULL);
502: break;
503: }
1.44 mickey 504: #endif
1.30 itojun 505:
1.1 deraadt 506: case AF_NS:
507: cp = ns_print(sa);
508: break;
509:
1.5 mickey 510: case AF_IPX:
511: cp = ipx_print(sa);
512: break;
1.44 mickey 513:
1.1 deraadt 514: case AF_LINK:
515: {
1.43 mpech 516: struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa;
1.1 deraadt 517:
518: if (sdl->sdl_nlen == 0 && sdl->sdl_alen == 0 &&
519: sdl->sdl_slen == 0)
1.23 deraadt 520: (void) snprintf(workbuf, sizeof workbuf,
521: "link#%d", sdl->sdl_index);
1.1 deraadt 522: else switch (sdl->sdl_type) {
523: case IFT_ETHER:
524: {
1.43 mpech 525: int i;
526: u_char *lla = (u_char *)sdl->sdl_data +
1.1 deraadt 527: sdl->sdl_nlen;
528:
529: cplim = "";
530: for (i = 0; i < sdl->sdl_alen; i++, lla++) {
1.25 millert 531: n = snprintf(cp,
1.4 deraadt 532: workbuf + sizeof (workbuf) - cp,
533: "%s%x", cplim, *lla);
1.41 brian 534: cplim = ":";
1.47 deraadt 535: if (n < 0) /* What else to do ? */
1.46 deraadt 536: continue;
1.25 millert 537: if (n >= workbuf + sizeof (workbuf) - cp)
538: n = workbuf + sizeof (workbuf) - cp - 1;
539: cp += n;
1.1 deraadt 540: }
541: cp = workbuf;
542: break;
543: }
544: default:
545: cp = link_ntoa(sdl);
546: break;
547: }
548: break;
549: }
550:
1.18 denny 551: case AF_APPLETALK:
552: {
553: /* XXX could do better */
554: cp = atalk_print(sa,11);
555: break;
556: }
1.1 deraadt 557: default:
558: {
1.43 mpech 559: u_char *s = (u_char *)sa->sa_data, *slim;
1.1 deraadt 560:
1.10 deraadt 561: slim = sa->sa_len + (u_char *) sa;
1.1 deraadt 562: cplim = cp + sizeof(workbuf) - 6;
1.47 deraadt 563: if ((n = snprintf(cp, cplim - cp, "(%d)", sa->sa_family)) >=
564: cplim - cp)
1.25 millert 565: n = cplim - cp - 1;
1.41 brian 566: if (n > 0)
567: cp += n;
1.1 deraadt 568: while (s < slim && cp < cplim) {
1.47 deraadt 569: if ((n = snprintf(cp, workbuf + sizeof (workbuf) - cp,
570: " %02x", *s++)) >= workbuf + sizeof (workbuf) - cp)
1.25 millert 571: n = workbuf + sizeof (workbuf) - cp - 1;
1.41 brian 572: if (n > 0)
573: cp += n;
1.25 millert 574: if (s < slim) {
1.47 deraadt 575: if ((n = snprintf(cp,
1.4 deraadt 576: workbuf + sizeof (workbuf) - cp,
1.47 deraadt 577: "%02x", *s++)) >=
578: workbuf + sizeof (workbuf) - cp)
1.25 millert 579: n = workbuf + sizeof (workbuf) - cp - 1;
1.41 brian 580: if (n > 0)
581: cp += n;
1.25 millert 582: }
1.1 deraadt 583: }
584: cp = workbuf;
585: }
586: }
587: if (width < 0 )
588: printf("%s ", cp);
589: else {
590: if (nflag)
591: printf("%-*s ", width, cp);
592: else
593: printf("%-*.*s ", width, width, cp);
594: }
595: }
596:
597: static void
1.50 ! deraadt 598: p_flags(int f, char *format)
1.1 deraadt 599: {
600: char name[33], *flags;
1.43 mpech 601: struct bits *p = bits;
1.1 deraadt 602:
603: for (flags = name; p->b_mask; p++)
604: if (p->b_mask & f)
605: *flags++ = p->b_val;
606: *flags = '\0';
607: printf(format, name);
608: }
609:
610: static void
1.50 ! deraadt 611: p_rtentry(struct rtentry *rt)
1.1 deraadt 612: {
613: static struct ifnet ifnet, *lastif;
1.30 itojun 614: struct sockaddr_storage sock1, sock2;
615: struct sockaddr *sa = (struct sockaddr *)&sock1;
616: struct sockaddr *mask = (struct sockaddr *)&sock2;
1.46 deraadt 617:
1.21 peter 618: bcopy(kgetsa(rt_key(rt)), sa, sizeof(struct sockaddr));
1.30 itojun 619: if (sa->sa_len > sizeof(struct sockaddr))
620: bcopy(kgetsa(rt_key(rt)), sa, sa->sa_len);
1.21 peter 621:
1.26 angelos 622: if (sa->sa_family == PF_KEY) {
1.10 deraadt 623: encap_print(rt);
624: return;
1.9 angelos 625: }
1.21 peter 626:
1.30 itojun 627: if (rt_mask(rt)) {
1.21 peter 628: bcopy(kgetsa(rt_mask(rt)), mask, sizeof(struct sockaddr));
1.30 itojun 629: if (sa->sa_len > sizeof(struct sockaddr))
630: bcopy(kgetsa(rt_mask(rt)), mask, sa->sa_len);
631: } else
1.21 peter 632: mask = 0;
1.46 deraadt 633:
1.30 itojun 634: p_sockaddr(sa, mask, rt->rt_flags, WID_DST(sa->sa_family));
635: p_sockaddr(kgetsa(rt->rt_gateway), 0, RTF_HOST, WID_GW(sa->sa_family));
1.1 deraadt 636: p_flags(rt->rt_flags, "%-6.6s ");
1.13 millert 637: printf("%6d %8ld ", rt->rt_refcnt, rt->rt_use);
1.1 deraadt 638: if (rt->rt_rmx.rmx_mtu)
1.13 millert 639: printf("%6ld ", rt->rt_rmx.rmx_mtu);
1.1 deraadt 640: else
641: printf("%6s ", "-");
1.39 provos 642: putchar((rt->rt_rmx.rmx_locks & RTV_MTU) ? 'L' : ' ');
1.1 deraadt 643: if (rt->rt_ifp) {
644: if (rt->rt_ifp != lastif) {
645: kget(rt->rt_ifp, ifnet);
646: lastif = rt->rt_ifp;
647: }
1.2 deraadt 648: printf(" %.16s%s", ifnet.if_xname,
1.50 ! deraadt 649: rt->rt_nodes[0].rn_dupedkey ? " =>" : "");
1.1 deraadt 650: }
651: putchar('\n');
1.44 mickey 652: if (vflag) {
653: printf("\texpire %10lu%c recvpipe %10ld%c "
1.46 deraadt 654: "sendpipe %10ld%c\n",
655: rt->rt_rmx.rmx_expire,
656: (rt->rt_rmx.rmx_locks & RTV_EXPIRE) ? 'L' : ' ',
657: rt->rt_rmx.rmx_recvpipe,
658: (rt->rt_rmx.rmx_locks & RTV_RPIPE) ? 'L' : ' ',
659: rt->rt_rmx.rmx_sendpipe,
660: (rt->rt_rmx.rmx_locks & RTV_SPIPE) ? 'L' : ' ');
1.44 mickey 661: printf("\tssthresh %10lu%c rtt %10ld%c "
1.46 deraadt 662: "rttvar %10ld%c\n",
663: rt->rt_rmx.rmx_ssthresh,
664: (rt->rt_rmx.rmx_locks & RTV_SSTHRESH) ? 'L' : ' ',
665: rt->rt_rmx.rmx_rtt,
666: (rt->rt_rmx.rmx_locks & RTV_RTT) ? 'L' : ' ',
667: rt->rt_rmx.rmx_rttvar,
668: (rt->rt_rmx.rmx_locks & RTV_RTTVAR) ? 'L' : ' ');
669: }
1.1 deraadt 670: }
671:
672: char *
1.50 ! deraadt 673: routename(in_addr_t in)
1.1 deraadt 674: {
1.43 mpech 675: char *cp;
1.24 deraadt 676: static char line[MAXHOSTNAMELEN];
1.1 deraadt 677: struct hostent *hp;
1.24 deraadt 678: static char domain[MAXHOSTNAMELEN];
1.1 deraadt 679: static int first = 1;
680:
681: if (first) {
682: first = 0;
1.24 deraadt 683: if (gethostname(domain, sizeof domain) == 0 &&
1.7 millert 684: (cp = strchr(domain, '.')))
1.46 deraadt 685: (void) strlcpy(domain, cp + 1, sizeof domain);
1.1 deraadt 686: else
1.46 deraadt 687: domain[0] = '\0';
1.1 deraadt 688: }
689: cp = 0;
690: if (!nflag) {
691: hp = gethostbyaddr((char *)&in, sizeof (struct in_addr),
1.46 deraadt 692: AF_INET);
1.1 deraadt 693: if (hp) {
1.7 millert 694: if ((cp = strchr(hp->h_name, '.')) &&
1.1 deraadt 695: !strcmp(cp + 1, domain))
696: *cp = 0;
697: cp = hp->h_name;
698: }
699: }
1.22 deraadt 700: if (cp) {
1.46 deraadt 701: strlcpy(line, cp, sizeof(line));
1.22 deraadt 702: } else {
1.1 deraadt 703: #define C(x) ((x) & 0xff)
704: in = ntohl(in);
1.23 deraadt 705: snprintf(line, sizeof line, "%u.%u.%u.%u",
1.1 deraadt 706: C(in >> 24), C(in >> 16), C(in >> 8), C(in));
707: }
708: return (line);
709: }
710:
711: /*
712: * Return the name of the network whose address is given.
713: * The address is assumed to be that of a net or subnet, not a host.
714: */
715: char *
1.50 ! deraadt 716: netname(in_addr_t in, in_addr_t mask)
1.1 deraadt 717: {
718: char *cp = 0;
1.24 deraadt 719: static char line[MAXHOSTNAMELEN];
1.1 deraadt 720: struct netent *np = 0;
1.21 peter 721: int mbits;
1.1 deraadt 722:
723: in = ntohl(in);
724: mask = ntohl(mask);
725: if (!nflag && in != INADDR_ANY) {
1.30 itojun 726: if ((np = getnetbyaddr(in, AF_INET)) != NULL)
1.1 deraadt 727: cp = np->n_name;
728: }
1.21 peter 729: mbits = mask ? 33 - ffs(mask) : 0;
1.22 deraadt 730: if (cp) {
1.46 deraadt 731: strlcpy(line, cp, sizeof(line));
1.27 deraadt 732: } else if (mbits < 9)
1.23 deraadt 733: snprintf(line, sizeof line, "%u/%d", C(in >> 24), mbits);
1.27 deraadt 734: else if (mbits < 17)
1.23 deraadt 735: snprintf(line, sizeof line, "%u.%u/%d",
736: C(in >> 24) , C(in >> 16), mbits);
1.27 deraadt 737: else if (mbits < 25)
1.23 deraadt 738: snprintf(line, sizeof line, "%u.%u.%u/%d",
739: C(in >> 24), C(in >> 16), C(in >> 8), mbits);
1.1 deraadt 740: else
1.23 deraadt 741: snprintf(line, sizeof line, "%u.%u.%u.%u/%d", C(in >> 24),
1.46 deraadt 742: C(in >> 16), C(in >> 8), C(in), mbits);
1.1 deraadt 743: return (line);
744: }
745:
1.30 itojun 746: #ifdef INET6
747: char *
1.50 ! deraadt 748: netname6(struct sockaddr_in6 *sa6, struct in6_addr *mask)
1.30 itojun 749: {
750: static char line[MAXHOSTNAMELEN + 1];
1.35 itojun 751: struct sockaddr_in6 sin6;
1.30 itojun 752: u_char *p;
753: u_char *lim;
754: int masklen, final = 0, illegal = 0;
755: int i;
756: char hbuf[NI_MAXHOST];
757: #ifdef NI_WITHSCOPEID
758: int flag = NI_WITHSCOPEID;
759: #else
760: int flag = 0;
761: #endif
1.37 itojun 762: int error;
1.30 itojun 763:
1.35 itojun 764: sin6 = *sa6;
1.46 deraadt 765:
1.30 itojun 766: masklen = 0;
1.35 itojun 767: lim = (u_char *)(mask + 1);
768: i = 0;
1.36 itojun 769: if (mask) {
770: for (p = (u_char *)mask; p < lim; p++) {
771: if (final && *p) {
772: illegal++;
773: sin6.sin6_addr.s6_addr[i++] = 0x00;
774: continue;
775: }
776:
777: switch (*p & 0xff) {
778: case 0xff:
779: masklen += 8;
780: break;
781: case 0xfe:
782: masklen += 7;
783: final++;
784: break;
785: case 0xfc:
786: masklen += 6;
787: final++;
788: break;
789: case 0xf8:
790: masklen += 5;
791: final++;
792: break;
793: case 0xf0:
794: masklen += 4;
795: final++;
796: break;
797: case 0xe0:
798: masklen += 3;
799: final++;
800: break;
801: case 0xc0:
802: masklen += 2;
803: final++;
804: break;
805: case 0x80:
806: masklen += 1;
807: final++;
808: break;
809: case 0x00:
810: final++;
811: break;
812: default:
813: final++;
814: illegal++;
815: break;
816: }
1.30 itojun 817:
1.36 itojun 818: if (!illegal)
819: sin6.sin6_addr.s6_addr[i++] &= *p;
820: else
821: sin6.sin6_addr.s6_addr[i++] = 0x00;
1.30 itojun 822: }
1.36 itojun 823: } else
824: masklen = 128;
1.30 itojun 825:
1.35 itojun 826: if (masklen == 0 && IN6_IS_ADDR_UNSPECIFIED(&sin6.sin6_addr))
1.30 itojun 827: return("default");
828:
829: if (illegal)
830: fprintf(stderr, "illegal prefixlen\n");
831:
832: if (nflag)
833: flag |= NI_NUMERICHOST;
1.37 itojun 834: error = getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len,
835: hbuf, sizeof(hbuf), NULL, 0, flag);
836: if (error)
837: snprintf(hbuf, sizeof(hbuf), "invalid");
838:
1.30 itojun 839: snprintf(line, sizeof(line), "%s/%d", hbuf, masklen);
840: return line;
841: }
842:
843: char *
1.50 ! deraadt 844: routename6(struct sockaddr_in6 *sa6)
1.30 itojun 845: {
846: static char line[NI_MAXHOST];
847: #ifdef NI_WITHSCOPEID
848: const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID;
849: #else
850: const int niflag = NI_NUMERICHOST;
851: #endif
852: if (getnameinfo((struct sockaddr *)sa6, sa6->sin6_len,
1.46 deraadt 853: line, sizeof(line), NULL, 0, niflag) != 0)
854: strlcpy(line, "", sizeof line);
1.30 itojun 855: return line;
856: }
857: #endif /*INET6*/
858:
1.1 deraadt 859: /*
860: * Print routing statistics
861: */
862: void
1.50 ! deraadt 863: rt_stats(u_long off)
1.1 deraadt 864: {
865: struct rtstat rtstat;
866:
867: if (off == 0) {
868: printf("rtstat: symbol not in namelist\n");
869: return;
870: }
871: kread(off, (char *)&rtstat, sizeof (rtstat));
872: printf("routing:\n");
873: printf("\t%u bad routing redirect%s\n",
1.46 deraadt 874: rtstat.rts_badredirect, plural(rtstat.rts_badredirect));
1.1 deraadt 875: printf("\t%u dynamically created route%s\n",
1.46 deraadt 876: rtstat.rts_dynamic, plural(rtstat.rts_dynamic));
1.1 deraadt 877: printf("\t%u new gateway%s due to redirects\n",
1.46 deraadt 878: rtstat.rts_newgateway, plural(rtstat.rts_newgateway));
1.1 deraadt 879: printf("\t%u destination%s found unreachable\n",
1.46 deraadt 880: rtstat.rts_unreach, plural(rtstat.rts_unreach));
1.1 deraadt 881: printf("\t%u use%s of a wildcard route\n",
1.46 deraadt 882: rtstat.rts_wildcard, plural(rtstat.rts_wildcard));
1.1 deraadt 883: }
1.5 mickey 884:
1.1 deraadt 885: short ns_nullh[] = {0,0,0};
886: short ns_bh[] = {-1,-1,-1};
887:
888: char *
1.50 ! deraadt 889: ns_print(struct sockaddr *sa)
1.1 deraadt 890: {
1.43 mpech 891: struct sockaddr_ns *sns = (struct sockaddr_ns*)sa;
1.1 deraadt 892: struct ns_addr work;
893: union { union ns_net net_e; u_long long_e; } net;
1.13 millert 894: in_port_t port;
1.1 deraadt 895: static char mybuf[50], cport[10], chost[25];
896: char *host = "";
1.43 mpech 897: char *p;
898: u_char *q;
1.1 deraadt 899:
900: work = sns->sns_addr;
901: port = ntohs(work.x_port);
902: work.x_port = 0;
1.10 deraadt 903: net.net_e = work.x_net;
1.1 deraadt 904: if (ns_nullhost(work) && net.long_e == 0) {
905: if (port ) {
1.23 deraadt 906: snprintf(mybuf, sizeof mybuf, "*.%xH", port);
1.1 deraadt 907: upHex(mybuf);
908: } else
1.23 deraadt 909: snprintf(mybuf, sizeof mybuf, "*.*");
1.1 deraadt 910: return (mybuf);
911: }
912:
913: if (bcmp(ns_bh, work.x_host.c_host, 6) == 0) {
914: host = "any";
915: } else if (bcmp(ns_nullh, work.x_host.c_host, 6) == 0) {
916: host = "*";
917: } else {
918: q = work.x_host.c_host;
1.23 deraadt 919: snprintf(chost, sizeof chost, "%02x%02x%02x%02x%02x%02xH",
1.46 deraadt 920: q[0], q[1], q[2], q[3], q[4], q[5]);
1.1 deraadt 921: for (p = chost; *p == '0' && p < chost + 12; p++)
922: continue;
923: host = p;
924: }
925: if (port)
1.23 deraadt 926: snprintf(cport, sizeof cport, ".%xH", htons(port));
1.1 deraadt 927: else
928: *cport = 0;
929:
1.23 deraadt 930: snprintf(mybuf, sizeof mybuf, "%xH.%s%s", ntohl(net.long_e),
931: host, cport);
1.1 deraadt 932: upHex(mybuf);
933: return(mybuf);
934: }
935:
936: char *
1.50 ! deraadt 937: ns_phost(struct sockaddr *sa)
1.1 deraadt 938: {
1.43 mpech 939: struct sockaddr_ns *sns = (struct sockaddr_ns *)sa;
1.1 deraadt 940: struct sockaddr_ns work;
941: static union ns_net ns_zeronet;
942: char *p;
943:
944: work = *sns;
945: work.sns_addr.x_port = 0;
946: work.sns_addr.x_net = ns_zeronet;
947:
948: p = ns_print((struct sockaddr *)&work);
1.46 deraadt 949: if (strncmp("0H.", p, 3) == 0)
950: p += 3;
1.5 mickey 951: return(p);
952: }
953:
954: u_short ipx_nullh[] = {0,0,0};
955: u_short ipx_bh[] = {0xffff,0xffff,0xffff};
956:
957: char *
1.50 ! deraadt 958: ipx_print(struct sockaddr *sa)
1.5 mickey 959: {
1.43 mpech 960: struct sockaddr_ipx *sipx = (struct sockaddr_ipx*)sa;
1.5 mickey 961: struct ipx_addr work;
962: union { union ipx_net net_e; u_long long_e; } net;
1.13 millert 963: in_port_t port;
1.5 mickey 964: static char mybuf[50], cport[10], chost[25];
965: char *host = "";
1.43 mpech 966: char *q;
1.5 mickey 967:
968: work = sipx->sipx_addr;
969: port = ntohs(work.ipx_port);
970: work.ipx_port = 0;
1.10 deraadt 971: net.net_e = work.ipx_net;
1.5 mickey 972: if (ipx_nullhost(work) && net.long_e == 0) {
973: if (port != 0) {
1.23 deraadt 974: snprintf(mybuf, sizeof mybuf, "*.%xH", port);
1.5 mickey 975: upHex(mybuf);
976: } else
1.23 deraadt 977: snprintf(mybuf, sizeof mybuf, "*.*");
1.5 mickey 978: return (mybuf);
979: }
980:
981: if (bcmp(ipx_bh, work.ipx_host.c_host, 6) == 0) {
982: host = "any";
983: } else if (bcmp(ipx_nullh, work.ipx_host.c_host, 6) == 0) {
984: host = "*";
985: } else {
986: q = work.ipx_host.c_host;
1.23 deraadt 987: snprintf(chost, sizeof chost, "%02x:%02x:%02x:%02x:%02x:%02x",
988: q[0], q[1], q[2], q[3], q[4], q[5]);
1.5 mickey 989: host = chost;
990: }
991: if (port)
1.23 deraadt 992: snprintf(cport, sizeof cport, ".%xH", htons(port));
1.5 mickey 993: else
994: *cport = 0;
995:
1.23 deraadt 996: snprintf(mybuf, sizeof mybuf, "%xH.%s%s", ntohl(net.long_e),
997: host, cport);
1.5 mickey 998: upHex(mybuf);
999: return(mybuf);
1000: }
1001:
1002: char *
1.50 ! deraadt 1003: ipx_phost(struct sockaddr *sa)
1.5 mickey 1004: {
1.43 mpech 1005: struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)sa;
1.5 mickey 1006: struct sockaddr_ipx work;
1007: static union ipx_net ipx_zeronet;
1008: char *p;
1009:
1010: work = *sipx;
1011: work.sipx_addr.ipx_port = 0;
1012: work.sipx_addr.ipx_net = ipx_zeronet;
1013:
1014: p = ipx_print((struct sockaddr *)&work);
1.46 deraadt 1015: if (strncmp("0H.", p, 3) == 0)
1016: p += 3;
1.1 deraadt 1017: return(p);
1.9 angelos 1018: }
1019:
1020: static void
1.50 ! deraadt 1021: encap_print(struct rtentry *rt)
1.9 angelos 1022: {
1.10 deraadt 1023: struct sockaddr_encap sen1, sen2, sen3;
1.44 mickey 1024: struct ipsec_policy ipo;
1.38 angelos 1025:
1.31 angelos 1026: #ifdef INET6
1027: struct sockaddr_in6 s61, s62;
1028: #endif /* INET6 */
1.9 angelos 1029:
1030: bcopy(kgetsa(rt_key(rt)), &sen1, sizeof(sen1));
1031: bcopy(kgetsa(rt_mask(rt)), &sen2, sizeof(sen2));
1032: bcopy(kgetsa(rt->rt_gateway), &sen3, sizeof(sen3));
1033:
1.46 deraadt 1034: if (sen1.sen_type == SENT_IP4) {
1035: printf("%-18s %-5u ", netname(sen1.sen_ip_src.s_addr,
1036: sen2.sen_ip_src.s_addr), ntohs(sen1.sen_sport));
1037: printf("%-18s %-5u %-5u ", netname(sen1.sen_ip_dst.s_addr,
1038: sen2.sen_ip_dst.s_addr),
1039: ntohs(sen1.sen_dport), sen1.sen_proto);
1.31 angelos 1040: }
1041:
1042: #ifdef INET6
1.46 deraadt 1043: if (sen1.sen_type == SENT_IP6) {
1044: bzero(&s61, sizeof(s61));
1045: bzero(&s62, sizeof(s62));
1046: s61.sin6_family = s62.sin6_family = AF_INET6;
1047: s61.sin6_len = s62.sin6_len = sizeof(s61);
1048: bcopy(&sen1.sen_ip6_src, &s61.sin6_addr, sizeof(struct in6_addr));
1049: bcopy(&sen2.sen_ip6_src, &s62.sin6_addr, sizeof(struct in6_addr));
1050:
1051: printf("%-42s %-5u ", netname6(&s61, &s62.sin6_addr),
1052: ntohs(sen1.sen_ip6_sport));
1053:
1054: bzero(&s61, sizeof(s61));
1055: bzero(&s62, sizeof(s62));
1056: s61.sin6_family = s62.sin6_family = AF_INET6;
1057: s61.sin6_len = s62.sin6_len = sizeof(s61);
1058: bcopy(&sen1.sen_ip6_dst, &s61.sin6_addr, sizeof(struct in6_addr));
1059: bcopy(&sen2.sen_ip6_dst, &s62.sin6_addr, sizeof(struct in6_addr));
1.31 angelos 1060:
1.46 deraadt 1061: printf("%-42s %-5u %-5u ", netname6(&s61, &s62.sin6_addr),
1062: ntohs(sen1.sen_ip6_dport), sen1.sen_ip6_proto);
1.31 angelos 1063: }
1064: #endif /* INET6 */
1065:
1.46 deraadt 1066: if (sen3.sen_type == SENT_IPSP) {
1067: char hostn[NI_MAXHOST];
1.31 angelos 1068:
1.46 deraadt 1069: kget(sen3.sen_ipsp, ipo);
1.38 angelos 1070:
1.48 ho 1071: if (getnameinfo(&ipo.ipo_dst.sa, ipo.ipo_dst.sa.sa_len,
1072: hostn, NI_MAXHOST, NULL, 0, NI_NUMERICHOST) != 0)
1073: strlcpy (hostn, "none", NI_MAXHOST);
1074:
1.46 deraadt 1075: printf("%s", hostn);
1076: printf("/%-u", ipo.ipo_sproto);
1.44 mickey 1077:
1.46 deraadt 1078: switch (ipo.ipo_type) {
1.44 mickey 1079: case IPSP_IPSEC_REQUIRE:
1.46 deraadt 1080: printf("/require");
1081: break;
1.44 mickey 1082: case IPSP_IPSEC_ACQUIRE:
1.46 deraadt 1083: printf("/acquire");
1084: break;
1.44 mickey 1085: case IPSP_IPSEC_USE:
1.46 deraadt 1086: printf("/use");
1087: break;
1.44 mickey 1088: case IPSP_IPSEC_DONTACQ:
1.46 deraadt 1089: printf("/dontacq");
1090: break;
1.44 mickey 1091: case IPSP_PERMIT:
1.46 deraadt 1092: printf("/permit");
1093: break;
1.44 mickey 1094: case IPSP_DENY:
1.46 deraadt 1095: printf("/deny");
1096: break;
1.44 mickey 1097: default:
1.46 deraadt 1098: printf("/<unknown type!>");
1099: break;
1100: }
1.44 mickey 1101:
1.46 deraadt 1102: if ((ipo.ipo_addr.sen_type == SENT_IP4 &&
1103: ipo.ipo_addr.sen_direction == IPSP_DIRECTION_IN) ||
1104: (ipo.ipo_addr.sen_type == SENT_IP6 &&
1105: ipo.ipo_addr.sen_ip6_direction == IPSP_DIRECTION_IN))
1106: printf("/in\n");
1107: else if ((ipo.ipo_addr.sen_type == SENT_IP4 &&
1108: ipo.ipo_addr.sen_direction == IPSP_DIRECTION_OUT) ||
1109: (ipo.ipo_addr.sen_type == SENT_IP6 &&
1110: ipo.ipo_addr.sen_ip6_direction == IPSP_DIRECTION_OUT))
1111: printf("/out\n");
1112: else
1113: printf("/<unknown>\n");
1.44 mickey 1114: }
1.1 deraadt 1115: }
1116:
1117: void
1.50 ! deraadt 1118: upHex(char *p0)
1.1 deraadt 1119: {
1.43 mpech 1120: char *p = p0;
1.1 deraadt 1121:
1.46 deraadt 1122: for (; *p; p++)
1123: switch (*p) {
1124: case 'a':
1125: case 'b':
1126: case 'c':
1127: case 'd':
1128: case 'e':
1129: case 'f':
1130: *p += ('A' - 'a');
1131: break;
1.1 deraadt 1132: }
1133: }
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