Annotation of src/usr.bin/netstat/route.c, Revision 1.51
1.51 ! jason 1: /* $OpenBSD: route.c,v 1.50 2003/02/01 01:51:31 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
1.51 ! jason 41: static char *rcsid = "$OpenBSD: route.c,v 1.50 2003/02/01 01:51:31 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))
1.51 ! jason 90:
! 91: struct radix_node_head *rt_tables[AF_MAX+1];
1.29 deraadt 92:
1.1 deraadt 93: /*
94: * Definitions for showing gateway flags.
95: */
96: struct bits {
97: short b_mask;
98: char b_val;
99: } bits[] = {
100: { RTF_UP, 'U' },
101: { RTF_GATEWAY, 'G' },
102: { RTF_HOST, 'H' },
103: { RTF_REJECT, 'R' },
1.34 deraadt 104: { RTF_BLACKHOLE, 'B' },
1.1 deraadt 105: { RTF_DYNAMIC, 'D' },
106: { RTF_MODIFIED, 'M' },
107: { RTF_DONE, 'd' }, /* Completed -- for routing messages only */
108: { RTF_MASK, 'm' }, /* Mask Present -- for routing messages only */
109: { RTF_CLONING, 'C' },
110: { RTF_XRESOLVE, 'X' },
111: { RTF_LLINFO, 'L' },
112: { RTF_STATIC, 'S' },
113: { RTF_PROTO1, '1' },
114: { RTF_PROTO2, '2' },
1.40 niklas 115: { RTF_PROTO3, '3' },
1.1 deraadt 116: { 0 }
117: };
118:
119: static union {
1.6 deraadt 120: struct sockaddr u_sa;
121: u_int32_t u_data[64];
1.29 deraadt 122: int u_dummy; /* force word-alignment */
1.1 deraadt 123: } pt_u;
124:
125: int do_rtent = 0;
126: struct rtentry rtentry;
127: struct radix_node rnode;
128: struct radix_mask rmask;
129:
130: int NewTree = 0;
131:
1.45 millert 132: static struct sockaddr *kgetsa(struct sockaddr *);
133: static void p_tree(struct radix_node *);
134: static void p_rtnode();
1.49 deraadt 135: static void p_rtflags(u_char);
1.45 millert 136: static void ntreestuff();
137: static void np_rtentry(struct rt_msghdr *);
138: static void p_sockaddr(struct sockaddr *, struct sockaddr *, int, int);
139: static void p_flags(int, char *);
140: static void p_rtentry(struct rtentry *);
141: static void encap_print(struct rtentry *);
1.1 deraadt 142:
143: /*
144: * Print routing tables.
145: */
146: void
1.50 deraadt 147: routepr(u_long rtree)
1.1 deraadt 148: {
149: struct radix_node_head *rnh, head;
150: int i;
151:
152: printf("Routing tables\n");
153:
154: if (Aflag == 0 && NewTree)
155: ntreestuff();
156: else {
157: if (rtree == 0) {
158: printf("rt_tables: symbol not in namelist\n");
159: return;
160: }
161:
162: kget(rtree, rt_tables);
163: for (i = 0; i <= AF_MAX; i++) {
164: if ((rnh = rt_tables[i]) == 0)
165: continue;
166: kget(rnh, head);
167: if (i == AF_UNSPEC) {
168: if (Aflag && af == 0) {
169: printf("Netmasks:\n");
170: p_tree(head.rnh_treetop);
171: }
172: } else if (af == AF_UNSPEC || af == i) {
173: pr_family(i);
174: do_rtent = 1;
1.26 angelos 175: if (i != PF_KEY)
1.30 itojun 176: pr_rthdr(i);
1.9 angelos 177: else
1.10 deraadt 178: pr_encaphdr();
1.1 deraadt 179: p_tree(head.rnh_treetop);
180: }
181: }
182: }
183: }
184:
185: /*
186: * Print address family header before a section of the routing table.
187: */
188: void
1.50 deraadt 189: pr_family(int af)
1.1 deraadt 190: {
191: char *afname;
192:
193: switch (af) {
194: case AF_INET:
195: afname = "Internet";
196: break;
1.30 itojun 197: #ifdef INET6
198: case AF_INET6:
199: afname = "Internet6";
200: break;
1.44 mickey 201: #endif
1.1 deraadt 202: case AF_NS:
203: afname = "XNS";
204: break;
1.5 mickey 205: case AF_IPX:
206: afname = "IPX";
207: break;
1.1 deraadt 208: case AF_ISO:
209: afname = "ISO";
210: break;
211: case AF_CCITT:
212: afname = "X.25";
213: break;
1.26 angelos 214: case PF_KEY:
1.10 deraadt 215: afname = "Encap";
1.9 angelos 216: break;
1.18 denny 217: case AF_APPLETALK:
218: afname = "AppleTalk";
219: break;
1.1 deraadt 220: default:
221: afname = NULL;
222: break;
223: }
224: if (afname)
225: printf("\n%s:\n", afname);
226: else
227: printf("\nProtocol Family %d:\n", af);
228: }
229:
230: /* column widths; each followed by one space */
1.30 itojun 231: #ifndef INET6
232: #define WID_DST(af) 18 /* width of destination column */
233: #define WID_GW(af) 18 /* width of gateway column */
234: #else
235: /* width of destination/gateway column */
236: #ifdef KAME_SCOPEID
237: /* strlen("fe80::aaaa:bbbb:cccc:dddd@gif0") == 30, strlen("/128") == 4 */
238: #define WID_DST(af) ((af) == AF_INET6 ? (nflag ? 34 : 18) : 18)
239: #define WID_GW(af) ((af) == AF_INET6 ? (nflag ? 30 : 18) : 18)
240: #else
241: /* strlen("fe80::aaaa:bbbb:cccc:dddd") == 25, strlen("/128") == 4 */
242: #define WID_DST(af) ((af) == AF_INET6 ? (nflag ? 29 : 18) : 18)
243: #define WID_GW(af) ((af) == AF_INET6 ? (nflag ? 25 : 18) : 18)
244: #endif
245: #endif /* INET6 */
1.1 deraadt 246:
247: /*
248: * Print header for routing table columns.
249: */
250: void
1.50 deraadt 251: pr_rthdr(int af)
1.1 deraadt 252: {
253:
254: if (Aflag)
1.15 millert 255: printf("%-*.*s ", PLEN, PLEN, "Address");
1.20 kstailey 256: printf("%-*.*s %-*.*s %-6.6s %6.6s %6.6s %6.6s %s\n",
1.46 deraadt 257: WID_DST(af), WID_DST(af), "Destination",
258: WID_GW(af), WID_GW(af), "Gateway",
259: "Flags", "Refs", "Use", "Mtu", "Interface");
1.1 deraadt 260: }
261:
1.9 angelos 262: /*
1.26 angelos 263: * Print header for PF_KEY entries.
1.9 angelos 264: */
265: void
1.50 deraadt 266: pr_encaphdr(void)
1.9 angelos 267: {
1.10 deraadt 268: if (Aflag)
1.15 millert 269: printf("%-*s ", PLEN, "Address");
1.28 ho 270: printf("%-18s %-5s %-18s %-5s %-5s %-22s\n",
1.44 mickey 271: "Source", "Port", "Destination",
1.38 angelos 272: "Port", "Proto", "SA(Address/Proto/Type/Direction)");
1.9 angelos 273: }
274:
1.1 deraadt 275: static struct sockaddr *
1.50 deraadt 276: kgetsa(struct sockaddr *dst)
1.1 deraadt 277: {
278:
279: kget(dst, pt_u.u_sa);
280: if (pt_u.u_sa.sa_len > sizeof (pt_u.u_sa))
281: kread((u_long)dst, (char *)pt_u.u_data, pt_u.u_sa.sa_len);
282: return (&pt_u.u_sa);
283: }
284:
285: static void
1.50 deraadt 286: p_tree(struct radix_node *rn)
1.1 deraadt 287: {
288:
289: again:
290: kget(rn, rnode);
291: if (rnode.rn_b < 0) {
292: if (Aflag)
1.14 millert 293: printf("%-16p ", rn);
1.1 deraadt 294: if (rnode.rn_flags & RNF_ROOT) {
295: if (Aflag)
296: printf("(root node)%s",
297: rnode.rn_dupedkey ? " =>\n" : "\n");
298: } else if (do_rtent) {
299: kget(rn, rtentry);
300: p_rtentry(&rtentry);
301: if (Aflag)
302: p_rtnode();
303: } else {
304: p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_key),
1.21 peter 305: 0, 0, 44);
1.1 deraadt 306: putchar('\n');
307: }
1.13 millert 308: if ((rn = rnode.rn_dupedkey))
1.1 deraadt 309: goto again;
310: } else {
311: if (Aflag && do_rtent) {
1.14 millert 312: printf("%-16p ", rn);
1.1 deraadt 313: p_rtnode();
314: }
315: rn = rnode.rn_r;
316: p_tree(rnode.rn_l);
317: p_tree(rn);
318: }
319: }
320:
1.49 deraadt 321: static void
322: p_rtflags(u_char flags)
323: {
324: putchar('<');
325: if (flags & RNF_NORMAL)
326: putchar('N');
327: if (flags & RNF_ROOT)
328: putchar('R');
329: if (flags & RNF_ACTIVE)
330: putchar('A');
331: if (flags & RNF_IGNORE)
332: putchar('I');
333: if (flags & ~(RNF_NORMAL | RNF_ROOT | RNF_ACTIVE | RNF_IGNORE))
334: printf("/0x%02x", flags);
335: putchar('>');
336: }
337:
1.23 deraadt 338: char nbuf[25];
1.1 deraadt 339:
340: static void
1.50 deraadt 341: p_rtnode(void)
1.1 deraadt 342: {
343: struct radix_mask *rm = rnode.rn_mklist;
344:
345: if (rnode.rn_b < 0) {
346: if (rnode.rn_mask) {
347: printf("\t mask ");
348: p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_mask),
1.21 peter 349: 0, 0, -1);
1.1 deraadt 350: } else if (rm == 0)
351: return;
352: } else {
1.23 deraadt 353: snprintf(nbuf, sizeof nbuf, "(%d)", rnode.rn_b);
1.14 millert 354: printf("%6.6s %16p : %16p", nbuf, rnode.rn_l,
355: rnode.rn_r);
1.1 deraadt 356: }
1.49 deraadt 357:
358: putchar(' ');
359: p_rtflags(rnode.rn_flags);
360:
1.1 deraadt 361: while (rm) {
362: kget(rm, rmask);
1.23 deraadt 363: snprintf(nbuf, sizeof nbuf, " %d refs, ", rmask.rm_refs);
1.14 millert 364: printf(" mk = %16p {(%d),%s",
1.46 deraadt 365: rm, -1 - rmask.rm_b, rmask.rm_refs ? nbuf : " ");
1.49 deraadt 366: p_rtflags(rmask.rm_flags);
367: printf(", ");
368: if (rmask.rm_flags & RNF_NORMAL) {
369: struct radix_node rnode_aux;
370:
371: printf("leaf = %p ", rmask.rm_leaf);
372: kget(rmask.rm_leaf, rnode_aux);
373: p_sockaddr(kgetsa((struct sockaddr *)rnode_aux.rn_mask),
374: 0, 0, -1);
375: } else
376: p_sockaddr(kgetsa((struct sockaddr *)rmask.rm_mask),
377: 0, 0, -1);
1.1 deraadt 378: putchar('}');
1.13 millert 379: if ((rm = rmask.rm_mklist))
1.1 deraadt 380: printf(" ->");
381: }
382: putchar('\n');
383: }
384:
385: static void
1.50 deraadt 386: ntreestuff(void)
1.1 deraadt 387: {
388: size_t needed;
389: int mib[6];
390: char *buf, *next, *lim;
1.43 mpech 391: struct rt_msghdr *rtm;
1.1 deraadt 392:
1.10 deraadt 393: mib[0] = CTL_NET;
394: mib[1] = PF_ROUTE;
395: mib[2] = 0;
396: mib[3] = 0;
397: mib[4] = NET_RT_DUMP;
398: mib[5] = 0;
399: if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) {
400: perror("route-sysctl-estimate");
401: exit(1);
402: }
403: if ((buf = malloc(needed)) == 0) {
404: printf("out of space\n");
405: exit(1);
406: }
1.44 mickey 407: if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) {
1.10 deraadt 408: perror("sysctl of routing table");
409: exit(1);
410: }
411: lim = buf + needed;
1.1 deraadt 412: for (next = buf; next < lim; next += rtm->rtm_msglen) {
413: rtm = (struct rt_msghdr *)next;
414: np_rtentry(rtm);
415: }
416: }
417:
418: static void
1.50 deraadt 419: np_rtentry(struct rt_msghdr *rtm)
1.1 deraadt 420: {
1.43 mpech 421: struct sockaddr *sa = (struct sockaddr *)(rtm + 1);
1.1 deraadt 422: #ifdef notdef
423: static int masks_done, banner_printed;
424: #endif
425: static int old_af;
426: int af = 0, interesting = RTF_UP | RTF_GATEWAY | RTF_HOST;
427:
428: #ifdef notdef
429: /* for the moment, netmasks are skipped over */
430: if (!banner_printed) {
431: printf("Netmasks:\n");
432: banner_printed = 1;
433: }
434: if (masks_done == 0) {
435: if (rtm->rtm_addrs != RTA_DST ) {
436: masks_done = 1;
437: af = sa->sa_family;
438: }
439: } else
440: #endif
441: af = sa->sa_family;
442: if (af != old_af) {
443: pr_family(af);
444: old_af = af;
445: }
446: if (rtm->rtm_addrs == RTA_DST)
1.21 peter 447: p_sockaddr(sa, 0, 0, 36);
1.1 deraadt 448: else {
1.21 peter 449: p_sockaddr(sa, 0, rtm->rtm_flags, 16);
1.29 deraadt 450: sa = (struct sockaddr *)(ROUNDUP(sa->sa_len) + (char *)sa);
1.21 peter 451: p_sockaddr(sa, 0, 0, 18);
1.1 deraadt 452: }
453: p_flags(rtm->rtm_flags & interesting, "%-6.6s ");
454: putchar('\n');
455: }
456:
457: static void
1.50 deraadt 458: p_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags, int width)
1.1 deraadt 459: {
460: char workbuf[128], *cplim;
1.43 mpech 461: char *cp = workbuf;
1.25 millert 462: size_t n;
1.1 deraadt 463:
1.36 itojun 464: switch (sa->sa_family) {
1.1 deraadt 465: case AF_INET:
466: {
1.43 mpech 467: struct sockaddr_in *sin = (struct sockaddr_in *)sa;
468: struct sockaddr_in *msin = (struct sockaddr_in *)mask;
1.1 deraadt 469:
470: cp = (sin->sin_addr.s_addr == 0) ? "default" :
1.46 deraadt 471: ((flags & RTF_HOST) || mask == NULL ?
472: routename(sin->sin_addr.s_addr) :
473: netname(sin->sin_addr.s_addr, msin->sin_addr.s_addr));
1.21 peter 474:
1.1 deraadt 475: break;
476: }
477:
1.30 itojun 478: #ifdef INET6
479: case AF_INET6:
480: {
481: struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)sa;
482: #ifdef KAME_SCOPEID
483: struct in6_addr *in6 = &sa6->sin6_addr;
484:
485: /*
486: * XXX: This is a special workaround for KAME kernels.
487: * sin6_scope_id field of SA should be set in the future.
488: */
489: if (IN6_IS_ADDR_LINKLOCAL(in6) ||
490: IN6_IS_ADDR_MC_LINKLOCAL(in6)) {
1.46 deraadt 491: /* XXX: override is ok? */
492: sa6->sin6_scope_id = (u_int32_t)ntohs(*(u_short *)
493: &in6->s6_addr[2]);
494: *(u_short *)&in6->s6_addr[2] = 0;
1.30 itojun 495: }
496: #endif
497: if (flags & RTF_HOST)
498: cp = routename6(sa6);
499: else if (mask) {
500: cp = netname6(sa6,
1.46 deraadt 501: &((struct sockaddr_in6 *)mask)->sin6_addr);
1.30 itojun 502: } else
503: cp = netname6(sa6, NULL);
504: break;
505: }
1.44 mickey 506: #endif
1.30 itojun 507:
1.1 deraadt 508: case AF_NS:
509: cp = ns_print(sa);
510: break;
511:
1.5 mickey 512: case AF_IPX:
513: cp = ipx_print(sa);
514: break;
1.44 mickey 515:
1.1 deraadt 516: case AF_LINK:
517: {
1.43 mpech 518: struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa;
1.1 deraadt 519:
520: if (sdl->sdl_nlen == 0 && sdl->sdl_alen == 0 &&
521: sdl->sdl_slen == 0)
1.23 deraadt 522: (void) snprintf(workbuf, sizeof workbuf,
523: "link#%d", sdl->sdl_index);
1.1 deraadt 524: else switch (sdl->sdl_type) {
525: case IFT_ETHER:
526: {
1.43 mpech 527: int i;
528: u_char *lla = (u_char *)sdl->sdl_data +
1.1 deraadt 529: sdl->sdl_nlen;
530:
531: cplim = "";
532: for (i = 0; i < sdl->sdl_alen; i++, lla++) {
1.25 millert 533: n = snprintf(cp,
1.4 deraadt 534: workbuf + sizeof (workbuf) - cp,
535: "%s%x", cplim, *lla);
1.41 brian 536: cplim = ":";
1.47 deraadt 537: if (n < 0) /* What else to do ? */
1.46 deraadt 538: continue;
1.25 millert 539: if (n >= workbuf + sizeof (workbuf) - cp)
540: n = workbuf + sizeof (workbuf) - cp - 1;
541: cp += n;
1.1 deraadt 542: }
543: cp = workbuf;
544: break;
545: }
546: default:
547: cp = link_ntoa(sdl);
548: break;
549: }
550: break;
551: }
552:
1.18 denny 553: case AF_APPLETALK:
554: {
555: /* XXX could do better */
556: cp = atalk_print(sa,11);
557: break;
558: }
1.1 deraadt 559: default:
560: {
1.43 mpech 561: u_char *s = (u_char *)sa->sa_data, *slim;
1.1 deraadt 562:
1.10 deraadt 563: slim = sa->sa_len + (u_char *) sa;
1.1 deraadt 564: cplim = cp + sizeof(workbuf) - 6;
1.47 deraadt 565: if ((n = snprintf(cp, cplim - cp, "(%d)", sa->sa_family)) >=
566: cplim - cp)
1.25 millert 567: n = cplim - cp - 1;
1.41 brian 568: if (n > 0)
569: cp += n;
1.1 deraadt 570: while (s < slim && cp < cplim) {
1.47 deraadt 571: if ((n = snprintf(cp, workbuf + sizeof (workbuf) - cp,
572: " %02x", *s++)) >= workbuf + sizeof (workbuf) - cp)
1.25 millert 573: n = workbuf + sizeof (workbuf) - cp - 1;
1.41 brian 574: if (n > 0)
575: cp += n;
1.25 millert 576: if (s < slim) {
1.47 deraadt 577: if ((n = snprintf(cp,
1.4 deraadt 578: workbuf + sizeof (workbuf) - cp,
1.47 deraadt 579: "%02x", *s++)) >=
580: workbuf + sizeof (workbuf) - cp)
1.25 millert 581: n = workbuf + sizeof (workbuf) - cp - 1;
1.41 brian 582: if (n > 0)
583: cp += n;
1.25 millert 584: }
1.1 deraadt 585: }
586: cp = workbuf;
587: }
588: }
589: if (width < 0 )
590: printf("%s ", cp);
591: else {
592: if (nflag)
593: printf("%-*s ", width, cp);
594: else
595: printf("%-*.*s ", width, width, cp);
596: }
597: }
598:
599: static void
1.50 deraadt 600: p_flags(int f, char *format)
1.1 deraadt 601: {
602: char name[33], *flags;
1.43 mpech 603: struct bits *p = bits;
1.1 deraadt 604:
605: for (flags = name; p->b_mask; p++)
606: if (p->b_mask & f)
607: *flags++ = p->b_val;
608: *flags = '\0';
609: printf(format, name);
610: }
611:
612: static void
1.50 deraadt 613: p_rtentry(struct rtentry *rt)
1.1 deraadt 614: {
615: static struct ifnet ifnet, *lastif;
1.30 itojun 616: struct sockaddr_storage sock1, sock2;
617: struct sockaddr *sa = (struct sockaddr *)&sock1;
618: struct sockaddr *mask = (struct sockaddr *)&sock2;
1.46 deraadt 619:
1.21 peter 620: bcopy(kgetsa(rt_key(rt)), sa, sizeof(struct sockaddr));
1.30 itojun 621: if (sa->sa_len > sizeof(struct sockaddr))
622: bcopy(kgetsa(rt_key(rt)), sa, sa->sa_len);
1.21 peter 623:
1.26 angelos 624: if (sa->sa_family == PF_KEY) {
1.10 deraadt 625: encap_print(rt);
626: return;
1.9 angelos 627: }
1.21 peter 628:
1.30 itojun 629: if (rt_mask(rt)) {
1.21 peter 630: bcopy(kgetsa(rt_mask(rt)), mask, sizeof(struct sockaddr));
1.30 itojun 631: if (sa->sa_len > sizeof(struct sockaddr))
632: bcopy(kgetsa(rt_mask(rt)), mask, sa->sa_len);
633: } else
1.21 peter 634: mask = 0;
1.46 deraadt 635:
1.30 itojun 636: p_sockaddr(sa, mask, rt->rt_flags, WID_DST(sa->sa_family));
637: p_sockaddr(kgetsa(rt->rt_gateway), 0, RTF_HOST, WID_GW(sa->sa_family));
1.1 deraadt 638: p_flags(rt->rt_flags, "%-6.6s ");
1.13 millert 639: printf("%6d %8ld ", rt->rt_refcnt, rt->rt_use);
1.1 deraadt 640: if (rt->rt_rmx.rmx_mtu)
1.13 millert 641: printf("%6ld ", rt->rt_rmx.rmx_mtu);
1.1 deraadt 642: else
643: printf("%6s ", "-");
1.39 provos 644: putchar((rt->rt_rmx.rmx_locks & RTV_MTU) ? 'L' : ' ');
1.1 deraadt 645: if (rt->rt_ifp) {
646: if (rt->rt_ifp != lastif) {
647: kget(rt->rt_ifp, ifnet);
648: lastif = rt->rt_ifp;
649: }
1.2 deraadt 650: printf(" %.16s%s", ifnet.if_xname,
1.50 deraadt 651: rt->rt_nodes[0].rn_dupedkey ? " =>" : "");
1.1 deraadt 652: }
653: putchar('\n');
1.44 mickey 654: if (vflag) {
655: printf("\texpire %10lu%c recvpipe %10ld%c "
1.46 deraadt 656: "sendpipe %10ld%c\n",
657: rt->rt_rmx.rmx_expire,
658: (rt->rt_rmx.rmx_locks & RTV_EXPIRE) ? 'L' : ' ',
659: rt->rt_rmx.rmx_recvpipe,
660: (rt->rt_rmx.rmx_locks & RTV_RPIPE) ? 'L' : ' ',
661: rt->rt_rmx.rmx_sendpipe,
662: (rt->rt_rmx.rmx_locks & RTV_SPIPE) ? 'L' : ' ');
1.44 mickey 663: printf("\tssthresh %10lu%c rtt %10ld%c "
1.46 deraadt 664: "rttvar %10ld%c\n",
665: rt->rt_rmx.rmx_ssthresh,
666: (rt->rt_rmx.rmx_locks & RTV_SSTHRESH) ? 'L' : ' ',
667: rt->rt_rmx.rmx_rtt,
668: (rt->rt_rmx.rmx_locks & RTV_RTT) ? 'L' : ' ',
669: rt->rt_rmx.rmx_rttvar,
670: (rt->rt_rmx.rmx_locks & RTV_RTTVAR) ? 'L' : ' ');
671: }
1.1 deraadt 672: }
673:
674: char *
1.50 deraadt 675: routename(in_addr_t in)
1.1 deraadt 676: {
1.43 mpech 677: char *cp;
1.24 deraadt 678: static char line[MAXHOSTNAMELEN];
1.1 deraadt 679: struct hostent *hp;
1.24 deraadt 680: static char domain[MAXHOSTNAMELEN];
1.1 deraadt 681: static int first = 1;
682:
683: if (first) {
684: first = 0;
1.24 deraadt 685: if (gethostname(domain, sizeof domain) == 0 &&
1.7 millert 686: (cp = strchr(domain, '.')))
1.46 deraadt 687: (void) strlcpy(domain, cp + 1, sizeof domain);
1.1 deraadt 688: else
1.46 deraadt 689: domain[0] = '\0';
1.1 deraadt 690: }
691: cp = 0;
692: if (!nflag) {
693: hp = gethostbyaddr((char *)&in, sizeof (struct in_addr),
1.46 deraadt 694: AF_INET);
1.1 deraadt 695: if (hp) {
1.7 millert 696: if ((cp = strchr(hp->h_name, '.')) &&
1.1 deraadt 697: !strcmp(cp + 1, domain))
698: *cp = 0;
699: cp = hp->h_name;
700: }
701: }
1.22 deraadt 702: if (cp) {
1.46 deraadt 703: strlcpy(line, cp, sizeof(line));
1.22 deraadt 704: } else {
1.1 deraadt 705: #define C(x) ((x) & 0xff)
706: in = ntohl(in);
1.23 deraadt 707: snprintf(line, sizeof line, "%u.%u.%u.%u",
1.1 deraadt 708: C(in >> 24), C(in >> 16), C(in >> 8), C(in));
709: }
710: return (line);
711: }
712:
713: /*
714: * Return the name of the network whose address is given.
715: * The address is assumed to be that of a net or subnet, not a host.
716: */
717: char *
1.50 deraadt 718: netname(in_addr_t in, in_addr_t mask)
1.1 deraadt 719: {
720: char *cp = 0;
1.24 deraadt 721: static char line[MAXHOSTNAMELEN];
1.1 deraadt 722: struct netent *np = 0;
1.21 peter 723: int mbits;
1.1 deraadt 724:
725: in = ntohl(in);
726: mask = ntohl(mask);
727: if (!nflag && in != INADDR_ANY) {
1.30 itojun 728: if ((np = getnetbyaddr(in, AF_INET)) != NULL)
1.1 deraadt 729: cp = np->n_name;
730: }
1.21 peter 731: mbits = mask ? 33 - ffs(mask) : 0;
1.22 deraadt 732: if (cp) {
1.46 deraadt 733: strlcpy(line, cp, sizeof(line));
1.27 deraadt 734: } else if (mbits < 9)
1.23 deraadt 735: snprintf(line, sizeof line, "%u/%d", C(in >> 24), mbits);
1.27 deraadt 736: else if (mbits < 17)
1.23 deraadt 737: snprintf(line, sizeof line, "%u.%u/%d",
738: C(in >> 24) , C(in >> 16), mbits);
1.27 deraadt 739: else if (mbits < 25)
1.23 deraadt 740: snprintf(line, sizeof line, "%u.%u.%u/%d",
741: C(in >> 24), C(in >> 16), C(in >> 8), mbits);
1.1 deraadt 742: else
1.23 deraadt 743: snprintf(line, sizeof line, "%u.%u.%u.%u/%d", C(in >> 24),
1.46 deraadt 744: C(in >> 16), C(in >> 8), C(in), mbits);
1.1 deraadt 745: return (line);
746: }
747:
1.30 itojun 748: #ifdef INET6
749: char *
1.50 deraadt 750: netname6(struct sockaddr_in6 *sa6, struct in6_addr *mask)
1.30 itojun 751: {
752: static char line[MAXHOSTNAMELEN + 1];
1.35 itojun 753: struct sockaddr_in6 sin6;
1.30 itojun 754: u_char *p;
755: u_char *lim;
756: int masklen, final = 0, illegal = 0;
757: int i;
758: char hbuf[NI_MAXHOST];
759: #ifdef NI_WITHSCOPEID
760: int flag = NI_WITHSCOPEID;
761: #else
762: int flag = 0;
763: #endif
1.37 itojun 764: int error;
1.30 itojun 765:
1.35 itojun 766: sin6 = *sa6;
1.46 deraadt 767:
1.30 itojun 768: masklen = 0;
1.35 itojun 769: lim = (u_char *)(mask + 1);
770: i = 0;
1.36 itojun 771: if (mask) {
772: for (p = (u_char *)mask; p < lim; p++) {
773: if (final && *p) {
774: illegal++;
775: sin6.sin6_addr.s6_addr[i++] = 0x00;
776: continue;
777: }
778:
779: switch (*p & 0xff) {
780: case 0xff:
781: masklen += 8;
782: break;
783: case 0xfe:
784: masklen += 7;
785: final++;
786: break;
787: case 0xfc:
788: masklen += 6;
789: final++;
790: break;
791: case 0xf8:
792: masklen += 5;
793: final++;
794: break;
795: case 0xf0:
796: masklen += 4;
797: final++;
798: break;
799: case 0xe0:
800: masklen += 3;
801: final++;
802: break;
803: case 0xc0:
804: masklen += 2;
805: final++;
806: break;
807: case 0x80:
808: masklen += 1;
809: final++;
810: break;
811: case 0x00:
812: final++;
813: break;
814: default:
815: final++;
816: illegal++;
817: break;
818: }
1.30 itojun 819:
1.36 itojun 820: if (!illegal)
821: sin6.sin6_addr.s6_addr[i++] &= *p;
822: else
823: sin6.sin6_addr.s6_addr[i++] = 0x00;
1.30 itojun 824: }
1.36 itojun 825: } else
826: masklen = 128;
1.30 itojun 827:
1.35 itojun 828: if (masklen == 0 && IN6_IS_ADDR_UNSPECIFIED(&sin6.sin6_addr))
1.30 itojun 829: return("default");
830:
831: if (illegal)
832: fprintf(stderr, "illegal prefixlen\n");
833:
834: if (nflag)
835: flag |= NI_NUMERICHOST;
1.37 itojun 836: error = getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len,
837: hbuf, sizeof(hbuf), NULL, 0, flag);
838: if (error)
839: snprintf(hbuf, sizeof(hbuf), "invalid");
840:
1.30 itojun 841: snprintf(line, sizeof(line), "%s/%d", hbuf, masklen);
842: return line;
843: }
844:
845: char *
1.50 deraadt 846: routename6(struct sockaddr_in6 *sa6)
1.30 itojun 847: {
848: static char line[NI_MAXHOST];
849: #ifdef NI_WITHSCOPEID
850: const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID;
851: #else
852: const int niflag = NI_NUMERICHOST;
853: #endif
854: if (getnameinfo((struct sockaddr *)sa6, sa6->sin6_len,
1.46 deraadt 855: line, sizeof(line), NULL, 0, niflag) != 0)
856: strlcpy(line, "", sizeof line);
1.30 itojun 857: return line;
858: }
859: #endif /*INET6*/
860:
1.1 deraadt 861: /*
862: * Print routing statistics
863: */
864: void
1.50 deraadt 865: rt_stats(u_long off)
1.1 deraadt 866: {
867: struct rtstat rtstat;
868:
869: if (off == 0) {
870: printf("rtstat: symbol not in namelist\n");
871: return;
872: }
873: kread(off, (char *)&rtstat, sizeof (rtstat));
874: printf("routing:\n");
875: printf("\t%u bad routing redirect%s\n",
1.46 deraadt 876: rtstat.rts_badredirect, plural(rtstat.rts_badredirect));
1.1 deraadt 877: printf("\t%u dynamically created route%s\n",
1.46 deraadt 878: rtstat.rts_dynamic, plural(rtstat.rts_dynamic));
1.1 deraadt 879: printf("\t%u new gateway%s due to redirects\n",
1.46 deraadt 880: rtstat.rts_newgateway, plural(rtstat.rts_newgateway));
1.1 deraadt 881: printf("\t%u destination%s found unreachable\n",
1.46 deraadt 882: rtstat.rts_unreach, plural(rtstat.rts_unreach));
1.1 deraadt 883: printf("\t%u use%s of a wildcard route\n",
1.46 deraadt 884: rtstat.rts_wildcard, plural(rtstat.rts_wildcard));
1.1 deraadt 885: }
1.5 mickey 886:
1.1 deraadt 887: short ns_nullh[] = {0,0,0};
888: short ns_bh[] = {-1,-1,-1};
889:
890: char *
1.50 deraadt 891: ns_print(struct sockaddr *sa)
1.1 deraadt 892: {
1.43 mpech 893: struct sockaddr_ns *sns = (struct sockaddr_ns*)sa;
1.1 deraadt 894: struct ns_addr work;
895: union { union ns_net net_e; u_long long_e; } net;
1.13 millert 896: in_port_t port;
1.1 deraadt 897: static char mybuf[50], cport[10], chost[25];
898: char *host = "";
1.43 mpech 899: char *p;
900: u_char *q;
1.1 deraadt 901:
902: work = sns->sns_addr;
903: port = ntohs(work.x_port);
904: work.x_port = 0;
1.10 deraadt 905: net.net_e = work.x_net;
1.1 deraadt 906: if (ns_nullhost(work) && net.long_e == 0) {
907: if (port ) {
1.23 deraadt 908: snprintf(mybuf, sizeof mybuf, "*.%xH", port);
1.1 deraadt 909: upHex(mybuf);
910: } else
1.23 deraadt 911: snprintf(mybuf, sizeof mybuf, "*.*");
1.1 deraadt 912: return (mybuf);
913: }
914:
915: if (bcmp(ns_bh, work.x_host.c_host, 6) == 0) {
916: host = "any";
917: } else if (bcmp(ns_nullh, work.x_host.c_host, 6) == 0) {
918: host = "*";
919: } else {
920: q = work.x_host.c_host;
1.23 deraadt 921: snprintf(chost, sizeof chost, "%02x%02x%02x%02x%02x%02xH",
1.46 deraadt 922: q[0], q[1], q[2], q[3], q[4], q[5]);
1.1 deraadt 923: for (p = chost; *p == '0' && p < chost + 12; p++)
924: continue;
925: host = p;
926: }
927: if (port)
1.23 deraadt 928: snprintf(cport, sizeof cport, ".%xH", htons(port));
1.1 deraadt 929: else
930: *cport = 0;
931:
1.23 deraadt 932: snprintf(mybuf, sizeof mybuf, "%xH.%s%s", ntohl(net.long_e),
933: host, cport);
1.1 deraadt 934: upHex(mybuf);
935: return(mybuf);
936: }
937:
938: char *
1.50 deraadt 939: ns_phost(struct sockaddr *sa)
1.1 deraadt 940: {
1.43 mpech 941: struct sockaddr_ns *sns = (struct sockaddr_ns *)sa;
1.1 deraadt 942: struct sockaddr_ns work;
943: static union ns_net ns_zeronet;
944: char *p;
945:
946: work = *sns;
947: work.sns_addr.x_port = 0;
948: work.sns_addr.x_net = ns_zeronet;
949:
950: p = ns_print((struct sockaddr *)&work);
1.46 deraadt 951: if (strncmp("0H.", p, 3) == 0)
952: p += 3;
1.5 mickey 953: return(p);
954: }
955:
956: u_short ipx_nullh[] = {0,0,0};
957: u_short ipx_bh[] = {0xffff,0xffff,0xffff};
958:
959: char *
1.50 deraadt 960: ipx_print(struct sockaddr *sa)
1.5 mickey 961: {
1.43 mpech 962: struct sockaddr_ipx *sipx = (struct sockaddr_ipx*)sa;
1.5 mickey 963: struct ipx_addr work;
964: union { union ipx_net net_e; u_long long_e; } net;
1.13 millert 965: in_port_t port;
1.5 mickey 966: static char mybuf[50], cport[10], chost[25];
967: char *host = "";
1.43 mpech 968: char *q;
1.5 mickey 969:
970: work = sipx->sipx_addr;
971: port = ntohs(work.ipx_port);
972: work.ipx_port = 0;
1.10 deraadt 973: net.net_e = work.ipx_net;
1.5 mickey 974: if (ipx_nullhost(work) && net.long_e == 0) {
975: if (port != 0) {
1.23 deraadt 976: snprintf(mybuf, sizeof mybuf, "*.%xH", port);
1.5 mickey 977: upHex(mybuf);
978: } else
1.23 deraadt 979: snprintf(mybuf, sizeof mybuf, "*.*");
1.5 mickey 980: return (mybuf);
981: }
982:
983: if (bcmp(ipx_bh, work.ipx_host.c_host, 6) == 0) {
984: host = "any";
985: } else if (bcmp(ipx_nullh, work.ipx_host.c_host, 6) == 0) {
986: host = "*";
987: } else {
988: q = work.ipx_host.c_host;
1.23 deraadt 989: snprintf(chost, sizeof chost, "%02x:%02x:%02x:%02x:%02x:%02x",
990: q[0], q[1], q[2], q[3], q[4], q[5]);
1.5 mickey 991: host = chost;
992: }
993: if (port)
1.23 deraadt 994: snprintf(cport, sizeof cport, ".%xH", htons(port));
1.5 mickey 995: else
996: *cport = 0;
997:
1.23 deraadt 998: snprintf(mybuf, sizeof mybuf, "%xH.%s%s", ntohl(net.long_e),
999: host, cport);
1.5 mickey 1000: upHex(mybuf);
1001: return(mybuf);
1002: }
1003:
1004: char *
1.50 deraadt 1005: ipx_phost(struct sockaddr *sa)
1.5 mickey 1006: {
1.43 mpech 1007: struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)sa;
1.5 mickey 1008: struct sockaddr_ipx work;
1009: static union ipx_net ipx_zeronet;
1010: char *p;
1011:
1012: work = *sipx;
1013: work.sipx_addr.ipx_port = 0;
1014: work.sipx_addr.ipx_net = ipx_zeronet;
1015:
1016: p = ipx_print((struct sockaddr *)&work);
1.46 deraadt 1017: if (strncmp("0H.", p, 3) == 0)
1018: p += 3;
1.1 deraadt 1019: return(p);
1.9 angelos 1020: }
1021:
1022: static void
1.50 deraadt 1023: encap_print(struct rtentry *rt)
1.9 angelos 1024: {
1.10 deraadt 1025: struct sockaddr_encap sen1, sen2, sen3;
1.44 mickey 1026: struct ipsec_policy ipo;
1.38 angelos 1027:
1.31 angelos 1028: #ifdef INET6
1029: struct sockaddr_in6 s61, s62;
1030: #endif /* INET6 */
1.9 angelos 1031:
1032: bcopy(kgetsa(rt_key(rt)), &sen1, sizeof(sen1));
1033: bcopy(kgetsa(rt_mask(rt)), &sen2, sizeof(sen2));
1034: bcopy(kgetsa(rt->rt_gateway), &sen3, sizeof(sen3));
1035:
1.46 deraadt 1036: if (sen1.sen_type == SENT_IP4) {
1037: printf("%-18s %-5u ", netname(sen1.sen_ip_src.s_addr,
1038: sen2.sen_ip_src.s_addr), ntohs(sen1.sen_sport));
1039: printf("%-18s %-5u %-5u ", netname(sen1.sen_ip_dst.s_addr,
1040: sen2.sen_ip_dst.s_addr),
1041: ntohs(sen1.sen_dport), sen1.sen_proto);
1.31 angelos 1042: }
1043:
1044: #ifdef INET6
1.46 deraadt 1045: if (sen1.sen_type == SENT_IP6) {
1046: bzero(&s61, sizeof(s61));
1047: bzero(&s62, sizeof(s62));
1048: s61.sin6_family = s62.sin6_family = AF_INET6;
1049: s61.sin6_len = s62.sin6_len = sizeof(s61);
1050: bcopy(&sen1.sen_ip6_src, &s61.sin6_addr, sizeof(struct in6_addr));
1051: bcopy(&sen2.sen_ip6_src, &s62.sin6_addr, sizeof(struct in6_addr));
1052:
1053: printf("%-42s %-5u ", netname6(&s61, &s62.sin6_addr),
1054: ntohs(sen1.sen_ip6_sport));
1055:
1056: bzero(&s61, sizeof(s61));
1057: bzero(&s62, sizeof(s62));
1058: s61.sin6_family = s62.sin6_family = AF_INET6;
1059: s61.sin6_len = s62.sin6_len = sizeof(s61);
1060: bcopy(&sen1.sen_ip6_dst, &s61.sin6_addr, sizeof(struct in6_addr));
1061: bcopy(&sen2.sen_ip6_dst, &s62.sin6_addr, sizeof(struct in6_addr));
1.31 angelos 1062:
1.46 deraadt 1063: printf("%-42s %-5u %-5u ", netname6(&s61, &s62.sin6_addr),
1064: ntohs(sen1.sen_ip6_dport), sen1.sen_ip6_proto);
1.31 angelos 1065: }
1066: #endif /* INET6 */
1067:
1.46 deraadt 1068: if (sen3.sen_type == SENT_IPSP) {
1069: char hostn[NI_MAXHOST];
1.31 angelos 1070:
1.46 deraadt 1071: kget(sen3.sen_ipsp, ipo);
1.38 angelos 1072:
1.48 ho 1073: if (getnameinfo(&ipo.ipo_dst.sa, ipo.ipo_dst.sa.sa_len,
1074: hostn, NI_MAXHOST, NULL, 0, NI_NUMERICHOST) != 0)
1075: strlcpy (hostn, "none", NI_MAXHOST);
1076:
1.46 deraadt 1077: printf("%s", hostn);
1078: printf("/%-u", ipo.ipo_sproto);
1.44 mickey 1079:
1.46 deraadt 1080: switch (ipo.ipo_type) {
1.44 mickey 1081: case IPSP_IPSEC_REQUIRE:
1.46 deraadt 1082: printf("/require");
1083: break;
1.44 mickey 1084: case IPSP_IPSEC_ACQUIRE:
1.46 deraadt 1085: printf("/acquire");
1086: break;
1.44 mickey 1087: case IPSP_IPSEC_USE:
1.46 deraadt 1088: printf("/use");
1089: break;
1.44 mickey 1090: case IPSP_IPSEC_DONTACQ:
1.46 deraadt 1091: printf("/dontacq");
1092: break;
1.44 mickey 1093: case IPSP_PERMIT:
1.46 deraadt 1094: printf("/permit");
1095: break;
1.44 mickey 1096: case IPSP_DENY:
1.46 deraadt 1097: printf("/deny");
1098: break;
1.44 mickey 1099: default:
1.46 deraadt 1100: printf("/<unknown type!>");
1101: break;
1102: }
1.44 mickey 1103:
1.46 deraadt 1104: if ((ipo.ipo_addr.sen_type == SENT_IP4 &&
1105: ipo.ipo_addr.sen_direction == IPSP_DIRECTION_IN) ||
1106: (ipo.ipo_addr.sen_type == SENT_IP6 &&
1107: ipo.ipo_addr.sen_ip6_direction == IPSP_DIRECTION_IN))
1108: printf("/in\n");
1109: else if ((ipo.ipo_addr.sen_type == SENT_IP4 &&
1110: ipo.ipo_addr.sen_direction == IPSP_DIRECTION_OUT) ||
1111: (ipo.ipo_addr.sen_type == SENT_IP6 &&
1112: ipo.ipo_addr.sen_ip6_direction == IPSP_DIRECTION_OUT))
1113: printf("/out\n");
1114: else
1115: printf("/<unknown>\n");
1.44 mickey 1116: }
1.1 deraadt 1117: }
1118:
1119: void
1.50 deraadt 1120: upHex(char *p0)
1.1 deraadt 1121: {
1.43 mpech 1122: char *p = p0;
1.1 deraadt 1123:
1.46 deraadt 1124: for (; *p; p++)
1125: switch (*p) {
1126: case 'a':
1127: case 'b':
1128: case 'c':
1129: case 'd':
1130: case 'e':
1131: case 'f':
1132: *p += ('A' - 'a');
1133: break;
1.1 deraadt 1134: }
1135: }
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