Annotation of src/usr.bin/netstat/route.c, Revision 1.71
1.71 ! hshoexer 1: /* $OpenBSD: route.c,v 1.70 2005/06/08 04:47:04 henning 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.
1.53 millert 16: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30: * SUCH DAMAGE.
31: */
32:
33: #ifndef lint
34: #if 0
35: static char sccsid[] = "from: @(#)route.c 8.3 (Berkeley) 3/9/94";
36: #else
1.71 ! hshoexer 37: static char *rcsid = "$OpenBSD: route.c,v 1.70 2005/06/08 04:47:04 henning Exp $";
1.1 deraadt 38: #endif
39: #endif /* not lint */
40:
41: #include <sys/param.h>
42: #include <sys/protosw.h>
43: #include <sys/socket.h>
44: #include <sys/mbuf.h>
45:
46: #include <net/if.h>
47: #include <net/if_dl.h>
48: #include <net/if_types.h>
49: #define _KERNEL
50: #include <net/route.h>
51: #undef _KERNEL
52: #include <netinet/in.h>
1.13 millert 53: #include <arpa/inet.h>
1.1 deraadt 54:
1.5 mickey 55: #include <netipx/ipx.h>
56:
1.18 denny 57: #include <netatalk/at.h>
58:
1.1 deraadt 59: #include <sys/sysctl.h>
60:
1.30 itojun 61: #include <arpa/inet.h>
62:
1.61 otto 63: #include <err.h>
1.15 millert 64: #include <limits.h>
1.1 deraadt 65: #include <netdb.h>
66: #include <stdio.h>
67: #include <stdlib.h>
68: #include <string.h>
69: #include <unistd.h>
1.9 angelos 70:
71: #ifndef INET
72: #define INET
73: #endif
74:
1.26 angelos 75: #include <netinet/ip_ipsp.h>
1.1 deraadt 76: #include "netstat.h"
77:
1.67 jaredy 78: #define kget(p, d) (kread((u_long)(p), &(d), sizeof (d)))
1.1 deraadt 79:
1.29 deraadt 80: /* alignment constraint for routing socket */
81: #define ROUNDUP(a) \
82: ((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long))
83: #define ADVANCE(x, n) (x += ROUNDUP((n)->sa_len))
1.51 jason 84:
85: struct radix_node_head *rt_tables[AF_MAX+1];
1.29 deraadt 86:
1.1 deraadt 87: /*
88: * Definitions for showing gateway flags.
89: */
90: struct bits {
1.55 itojun 91: int b_mask;
1.1 deraadt 92: char b_val;
93: } bits[] = {
94: { RTF_UP, 'U' },
95: { RTF_GATEWAY, 'G' },
96: { RTF_HOST, 'H' },
97: { RTF_REJECT, 'R' },
1.34 deraadt 98: { RTF_BLACKHOLE, 'B' },
1.1 deraadt 99: { RTF_DYNAMIC, 'D' },
100: { RTF_MODIFIED, 'M' },
101: { RTF_DONE, 'd' }, /* Completed -- for routing messages only */
102: { RTF_MASK, 'm' }, /* Mask Present -- for routing messages only */
103: { RTF_CLONING, 'C' },
104: { RTF_XRESOLVE, 'X' },
105: { RTF_LLINFO, 'L' },
106: { RTF_STATIC, 'S' },
107: { RTF_PROTO1, '1' },
108: { RTF_PROTO2, '2' },
1.40 niklas 109: { RTF_PROTO3, '3' },
1.55 itojun 110: { RTF_CLONED, 'c' },
1.1 deraadt 111: { 0 }
112: };
113:
114: static union {
1.6 deraadt 115: struct sockaddr u_sa;
116: u_int32_t u_data[64];
1.29 deraadt 117: int u_dummy; /* force word-alignment */
1.1 deraadt 118: } pt_u;
119:
120: int do_rtent = 0;
121: struct rtentry rtentry;
122: struct radix_node rnode;
123: struct radix_mask rmask;
124:
125: int NewTree = 0;
126:
1.45 millert 127: static struct sockaddr *kgetsa(struct sockaddr *);
128: static void p_tree(struct radix_node *);
1.54 deraadt 129: static void p_rtnode(void);
1.49 deraadt 130: static void p_rtflags(u_char);
1.54 deraadt 131: static void ntreestuff(void);
1.45 millert 132: static void np_rtentry(struct rt_msghdr *);
133: static void p_sockaddr(struct sockaddr *, struct sockaddr *, int, int);
134: static void p_flags(int, char *);
135: static void p_rtentry(struct rtentry *);
136: static void encap_print(struct rtentry *);
1.1 deraadt 137:
138: /*
139: * Print routing tables.
140: */
141: void
1.50 deraadt 142: routepr(u_long rtree)
1.1 deraadt 143: {
144: struct radix_node_head *rnh, head;
145: int i;
146:
147: printf("Routing tables\n");
148:
149: if (Aflag == 0 && NewTree)
150: ntreestuff();
151: else {
152: if (rtree == 0) {
153: printf("rt_tables: symbol not in namelist\n");
154: return;
155: }
156:
157: kget(rtree, rt_tables);
158: for (i = 0; i <= AF_MAX; i++) {
159: if ((rnh = rt_tables[i]) == 0)
160: continue;
161: kget(rnh, head);
162: if (i == AF_UNSPEC) {
163: if (Aflag && af == 0) {
164: printf("Netmasks:\n");
165: p_tree(head.rnh_treetop);
166: }
167: } else if (af == AF_UNSPEC || af == i) {
168: pr_family(i);
169: do_rtent = 1;
1.26 angelos 170: if (i != PF_KEY)
1.30 itojun 171: pr_rthdr(i);
1.9 angelos 172: else
1.10 deraadt 173: pr_encaphdr();
1.1 deraadt 174: p_tree(head.rnh_treetop);
175: }
176: }
177: }
178: }
179:
180: /*
181: * Print address family header before a section of the routing table.
182: */
183: void
1.50 deraadt 184: pr_family(int af)
1.1 deraadt 185: {
186: char *afname;
187:
188: switch (af) {
189: case AF_INET:
190: afname = "Internet";
191: break;
1.30 itojun 192: #ifdef INET6
193: case AF_INET6:
194: afname = "Internet6";
195: break;
1.44 mickey 196: #endif
1.5 mickey 197: case AF_IPX:
198: afname = "IPX";
1.1 deraadt 199: break;
1.26 angelos 200: case PF_KEY:
1.10 deraadt 201: afname = "Encap";
1.9 angelos 202: break;
1.18 denny 203: case AF_APPLETALK:
204: afname = "AppleTalk";
205: break;
1.1 deraadt 206: default:
207: afname = NULL;
208: break;
209: }
210: if (afname)
211: printf("\n%s:\n", afname);
212: else
213: printf("\nProtocol Family %d:\n", af);
214: }
215:
216: /* column widths; each followed by one space */
1.30 itojun 217: #ifndef INET6
218: #define WID_DST(af) 18 /* width of destination column */
219: #define WID_GW(af) 18 /* width of gateway column */
220: #else
221: /* width of destination/gateway column */
1.52 itojun 222: #if 1
1.30 itojun 223: /* strlen("fe80::aaaa:bbbb:cccc:dddd@gif0") == 30, strlen("/128") == 4 */
224: #define WID_DST(af) ((af) == AF_INET6 ? (nflag ? 34 : 18) : 18)
225: #define WID_GW(af) ((af) == AF_INET6 ? (nflag ? 30 : 18) : 18)
226: #else
227: /* strlen("fe80::aaaa:bbbb:cccc:dddd") == 25, strlen("/128") == 4 */
228: #define WID_DST(af) ((af) == AF_INET6 ? (nflag ? 29 : 18) : 18)
229: #define WID_GW(af) ((af) == AF_INET6 ? (nflag ? 25 : 18) : 18)
230: #endif
231: #endif /* INET6 */
1.1 deraadt 232:
233: /*
234: * Print header for routing table columns.
235: */
236: void
1.50 deraadt 237: pr_rthdr(int af)
1.1 deraadt 238: {
239:
240: if (Aflag)
1.15 millert 241: printf("%-*.*s ", PLEN, PLEN, "Address");
1.68 jaredy 242: printf("%-*.*s %-*.*s %-6.6s %6.6s %6.6s %6.6s %s\n",
243: WID_DST(af), WID_DST(af), "Destination",
1.46 deraadt 244: WID_GW(af), WID_GW(af), "Gateway",
245: "Flags", "Refs", "Use", "Mtu", "Interface");
1.1 deraadt 246: }
247:
1.9 angelos 248: /*
1.26 angelos 249: * Print header for PF_KEY entries.
1.9 angelos 250: */
251: void
1.50 deraadt 252: pr_encaphdr(void)
1.9 angelos 253: {
1.10 deraadt 254: if (Aflag)
1.15 millert 255: printf("%-*s ", PLEN, "Address");
1.28 ho 256: printf("%-18s %-5s %-18s %-5s %-5s %-22s\n",
1.44 mickey 257: "Source", "Port", "Destination",
1.38 angelos 258: "Port", "Proto", "SA(Address/Proto/Type/Direction)");
1.9 angelos 259: }
260:
1.1 deraadt 261: static struct sockaddr *
1.50 deraadt 262: kgetsa(struct sockaddr *dst)
1.1 deraadt 263: {
264:
265: kget(dst, pt_u.u_sa);
266: if (pt_u.u_sa.sa_len > sizeof (pt_u.u_sa))
1.67 jaredy 267: kread((u_long)dst, pt_u.u_data, pt_u.u_sa.sa_len);
1.1 deraadt 268: return (&pt_u.u_sa);
269: }
270:
271: static void
1.50 deraadt 272: p_tree(struct radix_node *rn)
1.1 deraadt 273: {
274:
275: again:
276: kget(rn, rnode);
277: if (rnode.rn_b < 0) {
278: if (Aflag)
1.14 millert 279: printf("%-16p ", rn);
1.1 deraadt 280: if (rnode.rn_flags & RNF_ROOT) {
281: if (Aflag)
282: printf("(root node)%s",
283: rnode.rn_dupedkey ? " =>\n" : "\n");
284: } else if (do_rtent) {
285: kget(rn, rtentry);
286: p_rtentry(&rtentry);
287: if (Aflag)
288: p_rtnode();
289: } else {
290: p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_key),
1.21 peter 291: 0, 0, 44);
1.1 deraadt 292: putchar('\n');
293: }
1.13 millert 294: if ((rn = rnode.rn_dupedkey))
1.1 deraadt 295: goto again;
296: } else {
297: if (Aflag && do_rtent) {
1.14 millert 298: printf("%-16p ", rn);
1.1 deraadt 299: p_rtnode();
300: }
301: rn = rnode.rn_r;
302: p_tree(rnode.rn_l);
303: p_tree(rn);
304: }
305: }
306:
1.49 deraadt 307: static void
308: p_rtflags(u_char flags)
309: {
310: putchar('<');
311: if (flags & RNF_NORMAL)
312: putchar('N');
313: if (flags & RNF_ROOT)
314: putchar('R');
315: if (flags & RNF_ACTIVE)
316: putchar('A');
1.56 henric 317: if (flags & ~(RNF_NORMAL | RNF_ROOT | RNF_ACTIVE))
1.49 deraadt 318: printf("/0x%02x", flags);
319: putchar('>');
320: }
321:
1.23 deraadt 322: char nbuf[25];
1.1 deraadt 323:
324: static void
1.50 deraadt 325: p_rtnode(void)
1.1 deraadt 326: {
327: struct radix_mask *rm = rnode.rn_mklist;
328:
329: if (rnode.rn_b < 0) {
330: if (rnode.rn_mask) {
331: printf("\t mask ");
332: p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_mask),
1.21 peter 333: 0, 0, -1);
1.1 deraadt 334: } else if (rm == 0)
335: return;
336: } else {
1.23 deraadt 337: snprintf(nbuf, sizeof nbuf, "(%d)", rnode.rn_b);
1.14 millert 338: printf("%6.6s %16p : %16p", nbuf, rnode.rn_l,
339: rnode.rn_r);
1.1 deraadt 340: }
1.49 deraadt 341:
342: putchar(' ');
343: p_rtflags(rnode.rn_flags);
344:
1.1 deraadt 345: while (rm) {
346: kget(rm, rmask);
1.23 deraadt 347: snprintf(nbuf, sizeof nbuf, " %d refs, ", rmask.rm_refs);
1.14 millert 348: printf(" mk = %16p {(%d),%s",
1.46 deraadt 349: rm, -1 - rmask.rm_b, rmask.rm_refs ? nbuf : " ");
1.49 deraadt 350: p_rtflags(rmask.rm_flags);
351: printf(", ");
352: if (rmask.rm_flags & RNF_NORMAL) {
353: struct radix_node rnode_aux;
354:
355: printf("leaf = %p ", rmask.rm_leaf);
356: kget(rmask.rm_leaf, rnode_aux);
357: p_sockaddr(kgetsa((struct sockaddr *)rnode_aux.rn_mask),
358: 0, 0, -1);
359: } else
360: p_sockaddr(kgetsa((struct sockaddr *)rmask.rm_mask),
361: 0, 0, -1);
1.1 deraadt 362: putchar('}');
1.13 millert 363: if ((rm = rmask.rm_mklist))
1.1 deraadt 364: printf(" ->");
365: }
366: putchar('\n');
367: }
368:
369: static void
1.50 deraadt 370: ntreestuff(void)
1.1 deraadt 371: {
372: size_t needed;
373: int mib[6];
374: char *buf, *next, *lim;
1.43 mpech 375: struct rt_msghdr *rtm;
1.1 deraadt 376:
1.10 deraadt 377: mib[0] = CTL_NET;
378: mib[1] = PF_ROUTE;
379: mib[2] = 0;
380: mib[3] = 0;
381: mib[4] = NET_RT_DUMP;
382: mib[5] = 0;
383: if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) {
384: perror("route-sysctl-estimate");
385: exit(1);
386: }
1.58 deraadt 387: if ((buf = malloc(needed)) == NULL)
1.59 deraadt 388: err(1, NULL);
1.44 mickey 389: if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) {
1.10 deraadt 390: perror("sysctl of routing table");
391: exit(1);
392: }
393: lim = buf + needed;
1.1 deraadt 394: for (next = buf; next < lim; next += rtm->rtm_msglen) {
395: rtm = (struct rt_msghdr *)next;
396: np_rtentry(rtm);
397: }
1.60 tedu 398: free(buf);
1.1 deraadt 399: }
400:
401: static void
1.50 deraadt 402: np_rtentry(struct rt_msghdr *rtm)
1.1 deraadt 403: {
1.43 mpech 404: struct sockaddr *sa = (struct sockaddr *)(rtm + 1);
1.1 deraadt 405: #ifdef notdef
406: static int masks_done, banner_printed;
407: #endif
408: static int old_af;
409: int af = 0, interesting = RTF_UP | RTF_GATEWAY | RTF_HOST;
410:
411: #ifdef notdef
412: /* for the moment, netmasks are skipped over */
413: if (!banner_printed) {
414: printf("Netmasks:\n");
415: banner_printed = 1;
416: }
417: if (masks_done == 0) {
418: if (rtm->rtm_addrs != RTA_DST ) {
419: masks_done = 1;
420: af = sa->sa_family;
421: }
422: } else
423: #endif
424: af = sa->sa_family;
425: if (af != old_af) {
426: pr_family(af);
427: old_af = af;
428: }
429: if (rtm->rtm_addrs == RTA_DST)
1.21 peter 430: p_sockaddr(sa, 0, 0, 36);
1.1 deraadt 431: else {
1.21 peter 432: p_sockaddr(sa, 0, rtm->rtm_flags, 16);
1.29 deraadt 433: sa = (struct sockaddr *)(ROUNDUP(sa->sa_len) + (char *)sa);
1.21 peter 434: p_sockaddr(sa, 0, 0, 18);
1.1 deraadt 435: }
436: p_flags(rtm->rtm_flags & interesting, "%-6.6s ");
437: putchar('\n');
438: }
439:
440: static void
1.50 deraadt 441: p_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags, int width)
1.1 deraadt 442: {
443: char workbuf[128], *cplim;
1.43 mpech 444: char *cp = workbuf;
1.25 millert 445: size_t n;
1.1 deraadt 446:
1.36 itojun 447: switch (sa->sa_family) {
1.1 deraadt 448: case AF_INET:
449: {
1.43 mpech 450: struct sockaddr_in *sin = (struct sockaddr_in *)sa;
451: struct sockaddr_in *msin = (struct sockaddr_in *)mask;
1.1 deraadt 452:
1.65 henning 453: cp = (sin->sin_addr.s_addr == 0 && mask &&
454: msin->sin_addr.s_addr == 0) ? "default" :
1.64 cedric 455: (mask == NULL || msin->sin_addr.s_addr == (in_addr_t)-1 ?
1.46 deraadt 456: routename(sin->sin_addr.s_addr) :
457: netname(sin->sin_addr.s_addr, msin->sin_addr.s_addr));
1.21 peter 458:
1.1 deraadt 459: break;
460: }
461:
1.30 itojun 462: #ifdef INET6
463: case AF_INET6:
464: {
465: struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)sa;
1.52 itojun 466: #ifdef __KAME__
1.30 itojun 467: struct in6_addr *in6 = &sa6->sin6_addr;
468:
469: /*
470: * XXX: This is a special workaround for KAME kernels.
471: * sin6_scope_id field of SA should be set in the future.
472: */
473: if (IN6_IS_ADDR_LINKLOCAL(in6) ||
474: IN6_IS_ADDR_MC_LINKLOCAL(in6)) {
1.46 deraadt 475: /* XXX: override is ok? */
476: sa6->sin6_scope_id = (u_int32_t)ntohs(*(u_short *)
477: &in6->s6_addr[2]);
478: *(u_short *)&in6->s6_addr[2] = 0;
1.30 itojun 479: }
480: #endif
481: if (flags & RTF_HOST)
482: cp = routename6(sa6);
483: else if (mask) {
484: cp = netname6(sa6,
1.46 deraadt 485: &((struct sockaddr_in6 *)mask)->sin6_addr);
1.30 itojun 486: } else
487: cp = netname6(sa6, NULL);
488: break;
489: }
1.44 mickey 490: #endif
1.30 itojun 491:
1.5 mickey 492: case AF_IPX:
493: cp = ipx_print(sa);
494: break;
1.44 mickey 495:
1.1 deraadt 496: case AF_LINK:
497: {
1.43 mpech 498: struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa;
1.1 deraadt 499:
500: if (sdl->sdl_nlen == 0 && sdl->sdl_alen == 0 &&
501: sdl->sdl_slen == 0)
1.23 deraadt 502: (void) snprintf(workbuf, sizeof workbuf,
503: "link#%d", sdl->sdl_index);
1.1 deraadt 504: else switch (sdl->sdl_type) {
505: case IFT_ETHER:
506: {
1.43 mpech 507: int i;
508: u_char *lla = (u_char *)sdl->sdl_data +
1.1 deraadt 509: sdl->sdl_nlen;
510:
511: cplim = "";
512: for (i = 0; i < sdl->sdl_alen; i++, lla++) {
1.25 millert 513: n = snprintf(cp,
1.4 deraadt 514: workbuf + sizeof (workbuf) - cp,
515: "%s%x", cplim, *lla);
1.41 brian 516: cplim = ":";
1.47 deraadt 517: if (n < 0) /* What else to do ? */
1.46 deraadt 518: continue;
1.25 millert 519: if (n >= workbuf + sizeof (workbuf) - cp)
520: n = workbuf + sizeof (workbuf) - cp - 1;
521: cp += n;
1.1 deraadt 522: }
523: cp = workbuf;
524: break;
525: }
526: default:
527: cp = link_ntoa(sdl);
528: break;
529: }
530: break;
531: }
532:
1.18 denny 533: case AF_APPLETALK:
534: {
535: /* XXX could do better */
536: cp = atalk_print(sa,11);
537: break;
538: }
1.1 deraadt 539: default:
540: {
1.43 mpech 541: u_char *s = (u_char *)sa->sa_data, *slim;
1.1 deraadt 542:
1.10 deraadt 543: slim = sa->sa_len + (u_char *) sa;
1.1 deraadt 544: cplim = cp + sizeof(workbuf) - 6;
1.47 deraadt 545: if ((n = snprintf(cp, cplim - cp, "(%d)", sa->sa_family)) >=
546: cplim - cp)
1.25 millert 547: n = cplim - cp - 1;
1.41 brian 548: if (n > 0)
549: cp += n;
1.1 deraadt 550: while (s < slim && cp < cplim) {
1.47 deraadt 551: if ((n = snprintf(cp, workbuf + sizeof (workbuf) - cp,
552: " %02x", *s++)) >= workbuf + sizeof (workbuf) - cp)
1.25 millert 553: n = workbuf + sizeof (workbuf) - cp - 1;
1.41 brian 554: if (n > 0)
555: cp += n;
1.25 millert 556: if (s < slim) {
1.47 deraadt 557: if ((n = snprintf(cp,
1.4 deraadt 558: workbuf + sizeof (workbuf) - cp,
1.47 deraadt 559: "%02x", *s++)) >=
560: workbuf + sizeof (workbuf) - cp)
1.25 millert 561: n = workbuf + sizeof (workbuf) - cp - 1;
1.41 brian 562: if (n > 0)
563: cp += n;
1.25 millert 564: }
1.1 deraadt 565: }
566: cp = workbuf;
567: }
568: }
569: if (width < 0 )
570: printf("%s ", cp);
571: else {
572: if (nflag)
573: printf("%-*s ", width, cp);
574: else
575: printf("%-*.*s ", width, width, cp);
576: }
577: }
578:
579: static void
1.50 deraadt 580: p_flags(int f, char *format)
1.1 deraadt 581: {
582: char name[33], *flags;
1.43 mpech 583: struct bits *p = bits;
1.1 deraadt 584:
585: for (flags = name; p->b_mask; p++)
586: if (p->b_mask & f)
587: *flags++ = p->b_val;
588: *flags = '\0';
589: printf(format, name);
590: }
591:
592: static void
1.50 deraadt 593: p_rtentry(struct rtentry *rt)
1.1 deraadt 594: {
595: static struct ifnet ifnet, *lastif;
1.30 itojun 596: struct sockaddr_storage sock1, sock2;
597: struct sockaddr *sa = (struct sockaddr *)&sock1;
598: struct sockaddr *mask = (struct sockaddr *)&sock2;
1.46 deraadt 599:
1.21 peter 600: bcopy(kgetsa(rt_key(rt)), sa, sizeof(struct sockaddr));
1.30 itojun 601: if (sa->sa_len > sizeof(struct sockaddr))
602: bcopy(kgetsa(rt_key(rt)), sa, sa->sa_len);
1.21 peter 603:
1.26 angelos 604: if (sa->sa_family == PF_KEY) {
1.10 deraadt 605: encap_print(rt);
606: return;
1.9 angelos 607: }
1.21 peter 608:
1.30 itojun 609: if (rt_mask(rt)) {
1.21 peter 610: bcopy(kgetsa(rt_mask(rt)), mask, sizeof(struct sockaddr));
1.30 itojun 611: if (sa->sa_len > sizeof(struct sockaddr))
612: bcopy(kgetsa(rt_mask(rt)), mask, sa->sa_len);
613: } else
1.21 peter 614: mask = 0;
1.46 deraadt 615:
1.30 itojun 616: p_sockaddr(sa, mask, rt->rt_flags, WID_DST(sa->sa_family));
617: p_sockaddr(kgetsa(rt->rt_gateway), 0, RTF_HOST, WID_GW(sa->sa_family));
1.1 deraadt 618: p_flags(rt->rt_flags, "%-6.6s ");
1.13 millert 619: printf("%6d %8ld ", rt->rt_refcnt, rt->rt_use);
1.1 deraadt 620: if (rt->rt_rmx.rmx_mtu)
1.13 millert 621: printf("%6ld ", rt->rt_rmx.rmx_mtu);
1.1 deraadt 622: else
623: printf("%6s ", "-");
1.39 provos 624: putchar((rt->rt_rmx.rmx_locks & RTV_MTU) ? 'L' : ' ');
1.1 deraadt 625: if (rt->rt_ifp) {
626: if (rt->rt_ifp != lastif) {
627: kget(rt->rt_ifp, ifnet);
628: lastif = rt->rt_ifp;
629: }
1.2 deraadt 630: printf(" %.16s%s", ifnet.if_xname,
1.50 deraadt 631: rt->rt_nodes[0].rn_dupedkey ? " =>" : "");
1.1 deraadt 632: }
633: putchar('\n');
1.63 claudio 634: if (vflag)
635: printf("\texpire %10lu%c\n",
1.46 deraadt 636: rt->rt_rmx.rmx_expire,
1.63 claudio 637: (rt->rt_rmx.rmx_locks & RTV_EXPIRE) ? 'L' : ' ');
1.1 deraadt 638: }
639:
640: char *
1.50 deraadt 641: routename(in_addr_t in)
1.1 deraadt 642: {
1.43 mpech 643: char *cp;
1.24 deraadt 644: static char line[MAXHOSTNAMELEN];
1.1 deraadt 645: struct hostent *hp;
1.24 deraadt 646: static char domain[MAXHOSTNAMELEN];
1.1 deraadt 647: static int first = 1;
648:
649: if (first) {
650: first = 0;
1.24 deraadt 651: if (gethostname(domain, sizeof domain) == 0 &&
1.7 millert 652: (cp = strchr(domain, '.')))
1.46 deraadt 653: (void) strlcpy(domain, cp + 1, sizeof domain);
1.1 deraadt 654: else
1.46 deraadt 655: domain[0] = '\0';
1.1 deraadt 656: }
1.62 deraadt 657: cp = NULL;
1.1 deraadt 658: if (!nflag) {
659: hp = gethostbyaddr((char *)&in, sizeof (struct in_addr),
1.46 deraadt 660: AF_INET);
1.1 deraadt 661: if (hp) {
1.7 millert 662: if ((cp = strchr(hp->h_name, '.')) &&
1.1 deraadt 663: !strcmp(cp + 1, domain))
1.62 deraadt 664: *cp = '\0';
1.1 deraadt 665: cp = hp->h_name;
666: }
667: }
1.22 deraadt 668: if (cp) {
1.46 deraadt 669: strlcpy(line, cp, sizeof(line));
1.22 deraadt 670: } else {
1.1 deraadt 671: #define C(x) ((x) & 0xff)
672: in = ntohl(in);
1.23 deraadt 673: snprintf(line, sizeof line, "%u.%u.%u.%u",
1.1 deraadt 674: C(in >> 24), C(in >> 16), C(in >> 8), C(in));
675: }
676: return (line);
677: }
678:
679: /*
680: * Return the name of the network whose address is given.
681: * The address is assumed to be that of a net or subnet, not a host.
682: */
683: char *
1.50 deraadt 684: netname(in_addr_t in, in_addr_t mask)
1.1 deraadt 685: {
1.62 deraadt 686: char *cp = NULL;
1.24 deraadt 687: static char line[MAXHOSTNAMELEN];
1.62 deraadt 688: struct netent *np = NULL;
1.21 peter 689: int mbits;
1.1 deraadt 690:
691: in = ntohl(in);
692: mask = ntohl(mask);
693: if (!nflag && in != INADDR_ANY) {
1.30 itojun 694: if ((np = getnetbyaddr(in, AF_INET)) != NULL)
1.1 deraadt 695: cp = np->n_name;
696: }
1.21 peter 697: mbits = mask ? 33 - ffs(mask) : 0;
1.22 deraadt 698: if (cp) {
1.46 deraadt 699: strlcpy(line, cp, sizeof(line));
1.27 deraadt 700: } else if (mbits < 9)
1.23 deraadt 701: snprintf(line, sizeof line, "%u/%d", C(in >> 24), mbits);
1.27 deraadt 702: else if (mbits < 17)
1.23 deraadt 703: snprintf(line, sizeof line, "%u.%u/%d",
704: C(in >> 24) , C(in >> 16), mbits);
1.27 deraadt 705: else if (mbits < 25)
1.23 deraadt 706: snprintf(line, sizeof line, "%u.%u.%u/%d",
707: C(in >> 24), C(in >> 16), C(in >> 8), mbits);
1.1 deraadt 708: else
1.23 deraadt 709: snprintf(line, sizeof line, "%u.%u.%u.%u/%d", C(in >> 24),
1.46 deraadt 710: C(in >> 16), C(in >> 8), C(in), mbits);
1.1 deraadt 711: return (line);
712: }
713:
1.30 itojun 714: #ifdef INET6
715: char *
1.50 deraadt 716: netname6(struct sockaddr_in6 *sa6, struct in6_addr *mask)
1.30 itojun 717: {
718: static char line[MAXHOSTNAMELEN + 1];
1.35 itojun 719: struct sockaddr_in6 sin6;
1.30 itojun 720: u_char *p;
721: u_char *lim;
722: int masklen, final = 0, illegal = 0;
723: int i;
724: char hbuf[NI_MAXHOST];
725: int flag = 0;
1.37 itojun 726: int error;
1.30 itojun 727:
1.35 itojun 728: sin6 = *sa6;
1.46 deraadt 729:
1.30 itojun 730: masklen = 0;
1.35 itojun 731: lim = (u_char *)(mask + 1);
732: i = 0;
1.36 itojun 733: if (mask) {
734: for (p = (u_char *)mask; p < lim; p++) {
735: if (final && *p) {
736: illegal++;
737: sin6.sin6_addr.s6_addr[i++] = 0x00;
738: continue;
739: }
740:
741: switch (*p & 0xff) {
742: case 0xff:
743: masklen += 8;
744: break;
745: case 0xfe:
746: masklen += 7;
747: final++;
748: break;
749: case 0xfc:
750: masklen += 6;
751: final++;
752: break;
753: case 0xf8:
754: masklen += 5;
755: final++;
756: break;
757: case 0xf0:
758: masklen += 4;
759: final++;
760: break;
761: case 0xe0:
762: masklen += 3;
763: final++;
764: break;
765: case 0xc0:
766: masklen += 2;
767: final++;
768: break;
769: case 0x80:
770: masklen += 1;
771: final++;
772: break;
773: case 0x00:
774: final++;
775: break;
776: default:
777: final++;
778: illegal++;
779: break;
780: }
1.30 itojun 781:
1.36 itojun 782: if (!illegal)
783: sin6.sin6_addr.s6_addr[i++] &= *p;
784: else
785: sin6.sin6_addr.s6_addr[i++] = 0x00;
1.30 itojun 786: }
1.36 itojun 787: } else
788: masklen = 128;
1.30 itojun 789:
1.35 itojun 790: if (masklen == 0 && IN6_IS_ADDR_UNSPECIFIED(&sin6.sin6_addr))
1.30 itojun 791: return("default");
792:
793: if (illegal)
794: fprintf(stderr, "illegal prefixlen\n");
795:
796: if (nflag)
797: flag |= NI_NUMERICHOST;
1.37 itojun 798: error = getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len,
799: hbuf, sizeof(hbuf), NULL, 0, flag);
800: if (error)
801: snprintf(hbuf, sizeof(hbuf), "invalid");
802:
1.30 itojun 803: snprintf(line, sizeof(line), "%s/%d", hbuf, masklen);
804: return line;
805: }
806:
807: char *
1.50 deraadt 808: routename6(struct sockaddr_in6 *sa6)
1.30 itojun 809: {
810: static char line[NI_MAXHOST];
811: const int niflag = NI_NUMERICHOST;
1.66 itojun 812:
1.30 itojun 813: if (getnameinfo((struct sockaddr *)sa6, sa6->sin6_len,
1.46 deraadt 814: line, sizeof(line), NULL, 0, niflag) != 0)
815: strlcpy(line, "", sizeof line);
1.30 itojun 816: return line;
817: }
818: #endif /*INET6*/
819:
1.1 deraadt 820: /*
821: * Print routing statistics
822: */
823: void
1.50 deraadt 824: rt_stats(u_long off)
1.1 deraadt 825: {
826: struct rtstat rtstat;
827:
828: if (off == 0) {
829: printf("rtstat: symbol not in namelist\n");
830: return;
831: }
1.67 jaredy 832: kread(off, &rtstat, sizeof (rtstat));
1.1 deraadt 833: printf("routing:\n");
834: printf("\t%u bad routing redirect%s\n",
1.46 deraadt 835: rtstat.rts_badredirect, plural(rtstat.rts_badredirect));
1.1 deraadt 836: printf("\t%u dynamically created route%s\n",
1.46 deraadt 837: rtstat.rts_dynamic, plural(rtstat.rts_dynamic));
1.1 deraadt 838: printf("\t%u new gateway%s due to redirects\n",
1.46 deraadt 839: rtstat.rts_newgateway, plural(rtstat.rts_newgateway));
1.1 deraadt 840: printf("\t%u destination%s found unreachable\n",
1.46 deraadt 841: rtstat.rts_unreach, plural(rtstat.rts_unreach));
1.1 deraadt 842: printf("\t%u use%s of a wildcard route\n",
1.46 deraadt 843: rtstat.rts_wildcard, plural(rtstat.rts_wildcard));
1.5 mickey 844: }
845:
846: u_short ipx_nullh[] = {0,0,0};
847: u_short ipx_bh[] = {0xffff,0xffff,0xffff};
848:
849: char *
1.50 deraadt 850: ipx_print(struct sockaddr *sa)
1.5 mickey 851: {
1.43 mpech 852: struct sockaddr_ipx *sipx = (struct sockaddr_ipx*)sa;
1.5 mickey 853: struct ipx_addr work;
854: union { union ipx_net net_e; u_long long_e; } net;
1.13 millert 855: in_port_t port;
1.5 mickey 856: static char mybuf[50], cport[10], chost[25];
857: char *host = "";
1.43 mpech 858: char *q;
1.5 mickey 859:
860: work = sipx->sipx_addr;
861: port = ntohs(work.ipx_port);
862: work.ipx_port = 0;
1.10 deraadt 863: net.net_e = work.ipx_net;
1.5 mickey 864: if (ipx_nullhost(work) && net.long_e == 0) {
865: if (port != 0) {
1.23 deraadt 866: snprintf(mybuf, sizeof mybuf, "*.%xH", port);
1.5 mickey 867: upHex(mybuf);
868: } else
1.23 deraadt 869: snprintf(mybuf, sizeof mybuf, "*.*");
1.5 mickey 870: return (mybuf);
871: }
872:
873: if (bcmp(ipx_bh, work.ipx_host.c_host, 6) == 0) {
874: host = "any";
875: } else if (bcmp(ipx_nullh, work.ipx_host.c_host, 6) == 0) {
876: host = "*";
877: } else {
878: q = work.ipx_host.c_host;
1.23 deraadt 879: snprintf(chost, sizeof chost, "%02x:%02x:%02x:%02x:%02x:%02x",
880: q[0], q[1], q[2], q[3], q[4], q[5]);
1.5 mickey 881: host = chost;
882: }
883: if (port)
1.23 deraadt 884: snprintf(cport, sizeof cport, ".%xH", htons(port));
1.5 mickey 885: else
886: *cport = 0;
887:
1.23 deraadt 888: snprintf(mybuf, sizeof mybuf, "%xH.%s%s", ntohl(net.long_e),
889: host, cport);
1.5 mickey 890: upHex(mybuf);
891: return(mybuf);
892: }
893:
894: char *
1.50 deraadt 895: ipx_phost(struct sockaddr *sa)
1.5 mickey 896: {
1.43 mpech 897: struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)sa;
1.5 mickey 898: struct sockaddr_ipx work;
899: static union ipx_net ipx_zeronet;
900: char *p;
901:
902: work = *sipx;
903: work.sipx_addr.ipx_port = 0;
904: work.sipx_addr.ipx_net = ipx_zeronet;
905:
906: p = ipx_print((struct sockaddr *)&work);
1.46 deraadt 907: if (strncmp("0H.", p, 3) == 0)
908: p += 3;
1.1 deraadt 909: return(p);
1.9 angelos 910: }
911:
912: static void
1.50 deraadt 913: encap_print(struct rtentry *rt)
1.9 angelos 914: {
1.10 deraadt 915: struct sockaddr_encap sen1, sen2, sen3;
1.44 mickey 916: struct ipsec_policy ipo;
1.38 angelos 917:
1.31 angelos 918: #ifdef INET6
919: struct sockaddr_in6 s61, s62;
920: #endif /* INET6 */
1.9 angelos 921:
922: bcopy(kgetsa(rt_key(rt)), &sen1, sizeof(sen1));
923: bcopy(kgetsa(rt_mask(rt)), &sen2, sizeof(sen2));
924: bcopy(kgetsa(rt->rt_gateway), &sen3, sizeof(sen3));
925:
1.46 deraadt 926: if (sen1.sen_type == SENT_IP4) {
927: printf("%-18s %-5u ", netname(sen1.sen_ip_src.s_addr,
928: sen2.sen_ip_src.s_addr), ntohs(sen1.sen_sport));
929: printf("%-18s %-5u %-5u ", netname(sen1.sen_ip_dst.s_addr,
930: sen2.sen_ip_dst.s_addr),
931: ntohs(sen1.sen_dport), sen1.sen_proto);
1.31 angelos 932: }
933:
934: #ifdef INET6
1.46 deraadt 935: if (sen1.sen_type == SENT_IP6) {
936: bzero(&s61, sizeof(s61));
937: bzero(&s62, sizeof(s62));
938: s61.sin6_family = s62.sin6_family = AF_INET6;
939: s61.sin6_len = s62.sin6_len = sizeof(s61);
940: bcopy(&sen1.sen_ip6_src, &s61.sin6_addr, sizeof(struct in6_addr));
1.57 itojun 941: #ifdef __KAME__
942: if (IN6_IS_ADDR_LINKLOCAL(&s61.sin6_addr) ||
943: IN6_IS_ADDR_MC_LINKLOCAL(&s61.sin6_addr)) {
944: s61.sin6_scope_id =
945: ((u_int16_t)s61.sin6_addr.s6_addr[2] << 8) |
946: s61.sin6_addr.s6_addr[3];
947: s61.sin6_addr.s6_addr[2] = s61.sin6_addr.s6_addr[3] = 0;
948: }
949: #endif
1.46 deraadt 950: bcopy(&sen2.sen_ip6_src, &s62.sin6_addr, sizeof(struct in6_addr));
1.57 itojun 951: #ifdef __KAME__
952: if (IN6_IS_ADDR_LINKLOCAL(&s62.sin6_addr) ||
953: IN6_IS_ADDR_MC_LINKLOCAL(&s62.sin6_addr)) {
954: s62.sin6_scope_id =
955: ((u_int16_t)s62.sin6_addr.s6_addr[2] << 8) |
956: s62.sin6_addr.s6_addr[3];
957: s62.sin6_addr.s6_addr[2] = s62.sin6_addr.s6_addr[3] = 0;
958: }
959: #endif
1.46 deraadt 960:
961: printf("%-42s %-5u ", netname6(&s61, &s62.sin6_addr),
962: ntohs(sen1.sen_ip6_sport));
963:
964: bzero(&s61, sizeof(s61));
965: bzero(&s62, sizeof(s62));
966: s61.sin6_family = s62.sin6_family = AF_INET6;
967: s61.sin6_len = s62.sin6_len = sizeof(s61);
968: bcopy(&sen1.sen_ip6_dst, &s61.sin6_addr, sizeof(struct in6_addr));
1.57 itojun 969: #ifdef __KAME__
970: if (IN6_IS_ADDR_LINKLOCAL(&s61.sin6_addr) ||
971: IN6_IS_ADDR_MC_LINKLOCAL(&s61.sin6_addr)) {
972: s61.sin6_scope_id =
973: ((u_int16_t)s61.sin6_addr.s6_addr[2] << 8) |
974: s61.sin6_addr.s6_addr[3];
975: s61.sin6_addr.s6_addr[2] = s61.sin6_addr.s6_addr[3] = 0;
976: }
977: #endif
1.46 deraadt 978: bcopy(&sen2.sen_ip6_dst, &s62.sin6_addr, sizeof(struct in6_addr));
1.57 itojun 979: #ifdef __KAME__
980: if (IN6_IS_ADDR_LINKLOCAL(&s62.sin6_addr) ||
981: IN6_IS_ADDR_MC_LINKLOCAL(&s62.sin6_addr)) {
982: s62.sin6_scope_id =
983: ((u_int16_t)s62.sin6_addr.s6_addr[2] << 8) |
984: s62.sin6_addr.s6_addr[3];
985: s62.sin6_addr.s6_addr[2] = s62.sin6_addr.s6_addr[3] = 0;
986: }
987: #endif
1.31 angelos 988:
1.46 deraadt 989: printf("%-42s %-5u %-5u ", netname6(&s61, &s62.sin6_addr),
990: ntohs(sen1.sen_ip6_dport), sen1.sen_ip6_proto);
1.31 angelos 991: }
992: #endif /* INET6 */
993:
1.46 deraadt 994: if (sen3.sen_type == SENT_IPSP) {
995: char hostn[NI_MAXHOST];
1.31 angelos 996:
1.46 deraadt 997: kget(sen3.sen_ipsp, ipo);
1.38 angelos 998:
1.48 ho 999: if (getnameinfo(&ipo.ipo_dst.sa, ipo.ipo_dst.sa.sa_len,
1000: hostn, NI_MAXHOST, NULL, 0, NI_NUMERICHOST) != 0)
1001: strlcpy (hostn, "none", NI_MAXHOST);
1002:
1.46 deraadt 1003: printf("%s", hostn);
1004: printf("/%-u", ipo.ipo_sproto);
1.44 mickey 1005:
1.46 deraadt 1006: switch (ipo.ipo_type) {
1.44 mickey 1007: case IPSP_IPSEC_REQUIRE:
1.46 deraadt 1008: printf("/require");
1009: break;
1.44 mickey 1010: case IPSP_IPSEC_ACQUIRE:
1.46 deraadt 1011: printf("/acquire");
1012: break;
1.44 mickey 1013: case IPSP_IPSEC_USE:
1.46 deraadt 1014: printf("/use");
1015: break;
1.44 mickey 1016: case IPSP_IPSEC_DONTACQ:
1.46 deraadt 1017: printf("/dontacq");
1018: break;
1.44 mickey 1019: case IPSP_PERMIT:
1.71 ! hshoexer 1020: printf("/bypass");
1.46 deraadt 1021: break;
1.44 mickey 1022: case IPSP_DENY:
1.46 deraadt 1023: printf("/deny");
1024: break;
1.44 mickey 1025: default:
1.46 deraadt 1026: printf("/<unknown type!>");
1027: break;
1028: }
1.44 mickey 1029:
1.46 deraadt 1030: if ((ipo.ipo_addr.sen_type == SENT_IP4 &&
1031: ipo.ipo_addr.sen_direction == IPSP_DIRECTION_IN) ||
1032: (ipo.ipo_addr.sen_type == SENT_IP6 &&
1033: ipo.ipo_addr.sen_ip6_direction == IPSP_DIRECTION_IN))
1034: printf("/in\n");
1035: else if ((ipo.ipo_addr.sen_type == SENT_IP4 &&
1036: ipo.ipo_addr.sen_direction == IPSP_DIRECTION_OUT) ||
1037: (ipo.ipo_addr.sen_type == SENT_IP6 &&
1038: ipo.ipo_addr.sen_ip6_direction == IPSP_DIRECTION_OUT))
1039: printf("/out\n");
1040: else
1041: printf("/<unknown>\n");
1.44 mickey 1042: }
1.1 deraadt 1043: }
1044:
1045: void
1.50 deraadt 1046: upHex(char *p0)
1.1 deraadt 1047: {
1.43 mpech 1048: char *p = p0;
1.1 deraadt 1049:
1.46 deraadt 1050: for (; *p; p++)
1051: switch (*p) {
1052: case 'a':
1053: case 'b':
1054: case 'c':
1055: case 'd':
1056: case 'e':
1057: case 'f':
1058: *p += ('A' - 'a');
1059: break;
1.1 deraadt 1060: }
1061: }
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