Annotation of src/usr.bin/netstat/route.c, Revision 1.54
1.54 ! deraadt 1: /* $OpenBSD: route.c,v 1.53 2003/06/03 02:56:13 millert 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
1.54 ! deraadt 37: static char *rcsid = "$OpenBSD: route.c,v 1.53 2003/06/03 02:56:13 millert 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:
55: #include <netns/ns.h>
56:
1.5 mickey 57: #include <netipx/ipx.h>
58:
1.18 denny 59: #include <netatalk/at.h>
60:
1.1 deraadt 61: #include <sys/sysctl.h>
62:
1.30 itojun 63: #include <arpa/inet.h>
64:
1.15 millert 65: #include <limits.h>
1.1 deraadt 66: #include <netdb.h>
67: #include <stdio.h>
68: #include <stdlib.h>
69: #include <string.h>
70: #include <unistd.h>
1.9 angelos 71:
72: #ifndef INET
73: #define INET
74: #endif
75:
1.26 angelos 76: #include <sys/socket.h>
77: #include <netinet/ip_ipsp.h>
1.1 deraadt 78: #include "netstat.h"
79:
80: #define kget(p, d) (kread((u_long)(p), (char *)&(d), sizeof (d)))
81:
1.29 deraadt 82: /* alignment constraint for routing socket */
83: #define ROUNDUP(a) \
84: ((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long))
85: #define ADVANCE(x, n) (x += ROUNDUP((n)->sa_len))
1.51 jason 86:
87: struct radix_node_head *rt_tables[AF_MAX+1];
1.29 deraadt 88:
1.1 deraadt 89: /*
90: * Definitions for showing gateway flags.
91: */
92: struct bits {
93: short b_mask;
94: char b_val;
95: } bits[] = {
96: { RTF_UP, 'U' },
97: { RTF_GATEWAY, 'G' },
98: { RTF_HOST, 'H' },
99: { RTF_REJECT, 'R' },
1.34 deraadt 100: { RTF_BLACKHOLE, 'B' },
1.1 deraadt 101: { RTF_DYNAMIC, 'D' },
102: { RTF_MODIFIED, 'M' },
103: { RTF_DONE, 'd' }, /* Completed -- for routing messages only */
104: { RTF_MASK, 'm' }, /* Mask Present -- for routing messages only */
105: { RTF_CLONING, 'C' },
106: { RTF_XRESOLVE, 'X' },
107: { RTF_LLINFO, 'L' },
108: { RTF_STATIC, 'S' },
109: { RTF_PROTO1, '1' },
110: { RTF_PROTO2, '2' },
1.40 niklas 111: { RTF_PROTO3, '3' },
1.1 deraadt 112: { 0 }
113: };
114:
115: static union {
1.6 deraadt 116: struct sockaddr u_sa;
117: u_int32_t u_data[64];
1.29 deraadt 118: int u_dummy; /* force word-alignment */
1.1 deraadt 119: } pt_u;
120:
121: int do_rtent = 0;
122: struct rtentry rtentry;
123: struct radix_node rnode;
124: struct radix_mask rmask;
125:
126: int NewTree = 0;
127:
1.45 millert 128: static struct sockaddr *kgetsa(struct sockaddr *);
129: static void p_tree(struct radix_node *);
1.54 ! deraadt 130: static void p_rtnode(void);
1.49 deraadt 131: static void p_rtflags(u_char);
1.54 ! deraadt 132: static void ntreestuff(void);
1.45 millert 133: static void np_rtentry(struct rt_msghdr *);
134: static void p_sockaddr(struct sockaddr *, struct sockaddr *, int, int);
135: static void p_flags(int, char *);
136: static void p_rtentry(struct rtentry *);
137: static void encap_print(struct rtentry *);
1.1 deraadt 138:
139: /*
140: * Print routing tables.
141: */
142: void
1.50 deraadt 143: routepr(u_long rtree)
1.1 deraadt 144: {
145: struct radix_node_head *rnh, head;
146: int i;
147:
148: printf("Routing tables\n");
149:
150: if (Aflag == 0 && NewTree)
151: ntreestuff();
152: else {
153: if (rtree == 0) {
154: printf("rt_tables: symbol not in namelist\n");
155: return;
156: }
157:
158: kget(rtree, rt_tables);
159: for (i = 0; i <= AF_MAX; i++) {
160: if ((rnh = rt_tables[i]) == 0)
161: continue;
162: kget(rnh, head);
163: if (i == AF_UNSPEC) {
164: if (Aflag && af == 0) {
165: printf("Netmasks:\n");
166: p_tree(head.rnh_treetop);
167: }
168: } else if (af == AF_UNSPEC || af == i) {
169: pr_family(i);
170: do_rtent = 1;
1.26 angelos 171: if (i != PF_KEY)
1.30 itojun 172: pr_rthdr(i);
1.9 angelos 173: else
1.10 deraadt 174: pr_encaphdr();
1.1 deraadt 175: p_tree(head.rnh_treetop);
176: }
177: }
178: }
179: }
180:
181: /*
182: * Print address family header before a section of the routing table.
183: */
184: void
1.50 deraadt 185: pr_family(int af)
1.1 deraadt 186: {
187: char *afname;
188:
189: switch (af) {
190: case AF_INET:
191: afname = "Internet";
192: break;
1.30 itojun 193: #ifdef INET6
194: case AF_INET6:
195: afname = "Internet6";
196: break;
1.44 mickey 197: #endif
1.1 deraadt 198: case AF_NS:
199: afname = "XNS";
200: break;
1.5 mickey 201: case AF_IPX:
202: afname = "IPX";
203: break;
1.1 deraadt 204: case AF_ISO:
205: afname = "ISO";
206: break;
207: case AF_CCITT:
208: afname = "X.25";
209: break;
1.26 angelos 210: case PF_KEY:
1.10 deraadt 211: afname = "Encap";
1.9 angelos 212: break;
1.18 denny 213: case AF_APPLETALK:
214: afname = "AppleTalk";
215: break;
1.1 deraadt 216: default:
217: afname = NULL;
218: break;
219: }
220: if (afname)
221: printf("\n%s:\n", afname);
222: else
223: printf("\nProtocol Family %d:\n", af);
224: }
225:
226: /* column widths; each followed by one space */
1.30 itojun 227: #ifndef INET6
228: #define WID_DST(af) 18 /* width of destination column */
229: #define WID_GW(af) 18 /* width of gateway column */
230: #else
231: /* width of destination/gateway column */
1.52 itojun 232: #if 1
1.30 itojun 233: /* strlen("fe80::aaaa:bbbb:cccc:dddd@gif0") == 30, strlen("/128") == 4 */
234: #define WID_DST(af) ((af) == AF_INET6 ? (nflag ? 34 : 18) : 18)
235: #define WID_GW(af) ((af) == AF_INET6 ? (nflag ? 30 : 18) : 18)
236: #else
237: /* strlen("fe80::aaaa:bbbb:cccc:dddd") == 25, strlen("/128") == 4 */
238: #define WID_DST(af) ((af) == AF_INET6 ? (nflag ? 29 : 18) : 18)
239: #define WID_GW(af) ((af) == AF_INET6 ? (nflag ? 25 : 18) : 18)
240: #endif
241: #endif /* INET6 */
1.1 deraadt 242:
243: /*
244: * Print header for routing table columns.
245: */
246: void
1.50 deraadt 247: pr_rthdr(int af)
1.1 deraadt 248: {
249:
250: if (Aflag)
1.15 millert 251: printf("%-*.*s ", PLEN, PLEN, "Address");
1.20 kstailey 252: printf("%-*.*s %-*.*s %-6.6s %6.6s %6.6s %6.6s %s\n",
1.46 deraadt 253: WID_DST(af), WID_DST(af), "Destination",
254: WID_GW(af), WID_GW(af), "Gateway",
255: "Flags", "Refs", "Use", "Mtu", "Interface");
1.1 deraadt 256: }
257:
1.9 angelos 258: /*
1.26 angelos 259: * Print header for PF_KEY entries.
1.9 angelos 260: */
261: void
1.50 deraadt 262: pr_encaphdr(void)
1.9 angelos 263: {
1.10 deraadt 264: if (Aflag)
1.15 millert 265: printf("%-*s ", PLEN, "Address");
1.28 ho 266: printf("%-18s %-5s %-18s %-5s %-5s %-22s\n",
1.44 mickey 267: "Source", "Port", "Destination",
1.38 angelos 268: "Port", "Proto", "SA(Address/Proto/Type/Direction)");
1.9 angelos 269: }
270:
1.1 deraadt 271: static struct sockaddr *
1.50 deraadt 272: kgetsa(struct sockaddr *dst)
1.1 deraadt 273: {
274:
275: kget(dst, pt_u.u_sa);
276: if (pt_u.u_sa.sa_len > sizeof (pt_u.u_sa))
277: kread((u_long)dst, (char *)pt_u.u_data, pt_u.u_sa.sa_len);
278: return (&pt_u.u_sa);
279: }
280:
281: static void
1.50 deraadt 282: p_tree(struct radix_node *rn)
1.1 deraadt 283: {
284:
285: again:
286: kget(rn, rnode);
287: if (rnode.rn_b < 0) {
288: if (Aflag)
1.14 millert 289: printf("%-16p ", rn);
1.1 deraadt 290: if (rnode.rn_flags & RNF_ROOT) {
291: if (Aflag)
292: printf("(root node)%s",
293: rnode.rn_dupedkey ? " =>\n" : "\n");
294: } else if (do_rtent) {
295: kget(rn, rtentry);
296: p_rtentry(&rtentry);
297: if (Aflag)
298: p_rtnode();
299: } else {
300: p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_key),
1.21 peter 301: 0, 0, 44);
1.1 deraadt 302: putchar('\n');
303: }
1.13 millert 304: if ((rn = rnode.rn_dupedkey))
1.1 deraadt 305: goto again;
306: } else {
307: if (Aflag && do_rtent) {
1.14 millert 308: printf("%-16p ", rn);
1.1 deraadt 309: p_rtnode();
310: }
311: rn = rnode.rn_r;
312: p_tree(rnode.rn_l);
313: p_tree(rn);
314: }
315: }
316:
1.49 deraadt 317: static void
318: p_rtflags(u_char flags)
319: {
320: putchar('<');
321: if (flags & RNF_NORMAL)
322: putchar('N');
323: if (flags & RNF_ROOT)
324: putchar('R');
325: if (flags & RNF_ACTIVE)
326: putchar('A');
327: if (flags & RNF_IGNORE)
328: putchar('I');
329: if (flags & ~(RNF_NORMAL | RNF_ROOT | RNF_ACTIVE | RNF_IGNORE))
330: printf("/0x%02x", flags);
331: putchar('>');
332: }
333:
1.23 deraadt 334: char nbuf[25];
1.1 deraadt 335:
336: static void
1.50 deraadt 337: p_rtnode(void)
1.1 deraadt 338: {
339: struct radix_mask *rm = rnode.rn_mklist;
340:
341: if (rnode.rn_b < 0) {
342: if (rnode.rn_mask) {
343: printf("\t mask ");
344: p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_mask),
1.21 peter 345: 0, 0, -1);
1.1 deraadt 346: } else if (rm == 0)
347: return;
348: } else {
1.23 deraadt 349: snprintf(nbuf, sizeof nbuf, "(%d)", rnode.rn_b);
1.14 millert 350: printf("%6.6s %16p : %16p", nbuf, rnode.rn_l,
351: rnode.rn_r);
1.1 deraadt 352: }
1.49 deraadt 353:
354: putchar(' ');
355: p_rtflags(rnode.rn_flags);
356:
1.1 deraadt 357: while (rm) {
358: kget(rm, rmask);
1.23 deraadt 359: snprintf(nbuf, sizeof nbuf, " %d refs, ", rmask.rm_refs);
1.14 millert 360: printf(" mk = %16p {(%d),%s",
1.46 deraadt 361: rm, -1 - rmask.rm_b, rmask.rm_refs ? nbuf : " ");
1.49 deraadt 362: p_rtflags(rmask.rm_flags);
363: printf(", ");
364: if (rmask.rm_flags & RNF_NORMAL) {
365: struct radix_node rnode_aux;
366:
367: printf("leaf = %p ", rmask.rm_leaf);
368: kget(rmask.rm_leaf, rnode_aux);
369: p_sockaddr(kgetsa((struct sockaddr *)rnode_aux.rn_mask),
370: 0, 0, -1);
371: } else
372: p_sockaddr(kgetsa((struct sockaddr *)rmask.rm_mask),
373: 0, 0, -1);
1.1 deraadt 374: putchar('}');
1.13 millert 375: if ((rm = rmask.rm_mklist))
1.1 deraadt 376: printf(" ->");
377: }
378: putchar('\n');
379: }
380:
381: static void
1.50 deraadt 382: ntreestuff(void)
1.1 deraadt 383: {
384: size_t needed;
385: int mib[6];
386: char *buf, *next, *lim;
1.43 mpech 387: struct rt_msghdr *rtm;
1.1 deraadt 388:
1.10 deraadt 389: mib[0] = CTL_NET;
390: mib[1] = PF_ROUTE;
391: mib[2] = 0;
392: mib[3] = 0;
393: mib[4] = NET_RT_DUMP;
394: mib[5] = 0;
395: if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) {
396: perror("route-sysctl-estimate");
397: exit(1);
398: }
399: if ((buf = malloc(needed)) == 0) {
400: printf("out of space\n");
401: exit(1);
402: }
1.44 mickey 403: if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) {
1.10 deraadt 404: perror("sysctl of routing table");
405: exit(1);
406: }
407: lim = buf + needed;
1.1 deraadt 408: for (next = buf; next < lim; next += rtm->rtm_msglen) {
409: rtm = (struct rt_msghdr *)next;
410: np_rtentry(rtm);
411: }
412: }
413:
414: static void
1.50 deraadt 415: np_rtentry(struct rt_msghdr *rtm)
1.1 deraadt 416: {
1.43 mpech 417: struct sockaddr *sa = (struct sockaddr *)(rtm + 1);
1.1 deraadt 418: #ifdef notdef
419: static int masks_done, banner_printed;
420: #endif
421: static int old_af;
422: int af = 0, interesting = RTF_UP | RTF_GATEWAY | RTF_HOST;
423:
424: #ifdef notdef
425: /* for the moment, netmasks are skipped over */
426: if (!banner_printed) {
427: printf("Netmasks:\n");
428: banner_printed = 1;
429: }
430: if (masks_done == 0) {
431: if (rtm->rtm_addrs != RTA_DST ) {
432: masks_done = 1;
433: af = sa->sa_family;
434: }
435: } else
436: #endif
437: af = sa->sa_family;
438: if (af != old_af) {
439: pr_family(af);
440: old_af = af;
441: }
442: if (rtm->rtm_addrs == RTA_DST)
1.21 peter 443: p_sockaddr(sa, 0, 0, 36);
1.1 deraadt 444: else {
1.21 peter 445: p_sockaddr(sa, 0, rtm->rtm_flags, 16);
1.29 deraadt 446: sa = (struct sockaddr *)(ROUNDUP(sa->sa_len) + (char *)sa);
1.21 peter 447: p_sockaddr(sa, 0, 0, 18);
1.1 deraadt 448: }
449: p_flags(rtm->rtm_flags & interesting, "%-6.6s ");
450: putchar('\n');
451: }
452:
453: static void
1.50 deraadt 454: p_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags, int width)
1.1 deraadt 455: {
456: char workbuf[128], *cplim;
1.43 mpech 457: char *cp = workbuf;
1.25 millert 458: size_t n;
1.1 deraadt 459:
1.36 itojun 460: switch (sa->sa_family) {
1.1 deraadt 461: case AF_INET:
462: {
1.43 mpech 463: struct sockaddr_in *sin = (struct sockaddr_in *)sa;
464: struct sockaddr_in *msin = (struct sockaddr_in *)mask;
1.1 deraadt 465:
466: cp = (sin->sin_addr.s_addr == 0) ? "default" :
1.46 deraadt 467: ((flags & RTF_HOST) || mask == NULL ?
468: routename(sin->sin_addr.s_addr) :
469: netname(sin->sin_addr.s_addr, msin->sin_addr.s_addr));
1.21 peter 470:
1.1 deraadt 471: break;
472: }
473:
1.30 itojun 474: #ifdef INET6
475: case AF_INET6:
476: {
477: struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)sa;
1.52 itojun 478: #ifdef __KAME__
1.30 itojun 479: struct in6_addr *in6 = &sa6->sin6_addr;
480:
481: /*
482: * XXX: This is a special workaround for KAME kernels.
483: * sin6_scope_id field of SA should be set in the future.
484: */
485: if (IN6_IS_ADDR_LINKLOCAL(in6) ||
486: IN6_IS_ADDR_MC_LINKLOCAL(in6)) {
1.46 deraadt 487: /* XXX: override is ok? */
488: sa6->sin6_scope_id = (u_int32_t)ntohs(*(u_short *)
489: &in6->s6_addr[2]);
490: *(u_short *)&in6->s6_addr[2] = 0;
1.30 itojun 491: }
492: #endif
493: if (flags & RTF_HOST)
494: cp = routename6(sa6);
495: else if (mask) {
496: cp = netname6(sa6,
1.46 deraadt 497: &((struct sockaddr_in6 *)mask)->sin6_addr);
1.30 itojun 498: } else
499: cp = netname6(sa6, NULL);
500: break;
501: }
1.44 mickey 502: #endif
1.30 itojun 503:
1.1 deraadt 504: case AF_NS:
505: cp = ns_print(sa);
506: break;
507:
1.5 mickey 508: case AF_IPX:
509: cp = ipx_print(sa);
510: break;
1.44 mickey 511:
1.1 deraadt 512: case AF_LINK:
513: {
1.43 mpech 514: struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa;
1.1 deraadt 515:
516: if (sdl->sdl_nlen == 0 && sdl->sdl_alen == 0 &&
517: sdl->sdl_slen == 0)
1.23 deraadt 518: (void) snprintf(workbuf, sizeof workbuf,
519: "link#%d", sdl->sdl_index);
1.1 deraadt 520: else switch (sdl->sdl_type) {
521: case IFT_ETHER:
522: {
1.43 mpech 523: int i;
524: u_char *lla = (u_char *)sdl->sdl_data +
1.1 deraadt 525: sdl->sdl_nlen;
526:
527: cplim = "";
528: for (i = 0; i < sdl->sdl_alen; i++, lla++) {
1.25 millert 529: n = snprintf(cp,
1.4 deraadt 530: workbuf + sizeof (workbuf) - cp,
531: "%s%x", cplim, *lla);
1.41 brian 532: cplim = ":";
1.47 deraadt 533: if (n < 0) /* What else to do ? */
1.46 deraadt 534: continue;
1.25 millert 535: if (n >= workbuf + sizeof (workbuf) - cp)
536: n = workbuf + sizeof (workbuf) - cp - 1;
537: cp += n;
1.1 deraadt 538: }
539: cp = workbuf;
540: break;
541: }
542: default:
543: cp = link_ntoa(sdl);
544: break;
545: }
546: break;
547: }
548:
1.18 denny 549: case AF_APPLETALK:
550: {
551: /* XXX could do better */
552: cp = atalk_print(sa,11);
553: break;
554: }
1.1 deraadt 555: default:
556: {
1.43 mpech 557: u_char *s = (u_char *)sa->sa_data, *slim;
1.1 deraadt 558:
1.10 deraadt 559: slim = sa->sa_len + (u_char *) sa;
1.1 deraadt 560: cplim = cp + sizeof(workbuf) - 6;
1.47 deraadt 561: if ((n = snprintf(cp, cplim - cp, "(%d)", sa->sa_family)) >=
562: cplim - cp)
1.25 millert 563: n = cplim - cp - 1;
1.41 brian 564: if (n > 0)
565: cp += n;
1.1 deraadt 566: while (s < slim && cp < cplim) {
1.47 deraadt 567: if ((n = snprintf(cp, workbuf + sizeof (workbuf) - cp,
568: " %02x", *s++)) >= workbuf + sizeof (workbuf) - cp)
1.25 millert 569: n = workbuf + sizeof (workbuf) - cp - 1;
1.41 brian 570: if (n > 0)
571: cp += n;
1.25 millert 572: if (s < slim) {
1.47 deraadt 573: if ((n = snprintf(cp,
1.4 deraadt 574: workbuf + sizeof (workbuf) - cp,
1.47 deraadt 575: "%02x", *s++)) >=
576: workbuf + sizeof (workbuf) - cp)
1.25 millert 577: n = workbuf + sizeof (workbuf) - cp - 1;
1.41 brian 578: if (n > 0)
579: cp += n;
1.25 millert 580: }
1.1 deraadt 581: }
582: cp = workbuf;
583: }
584: }
585: if (width < 0 )
586: printf("%s ", cp);
587: else {
588: if (nflag)
589: printf("%-*s ", width, cp);
590: else
591: printf("%-*.*s ", width, width, cp);
592: }
593: }
594:
595: static void
1.50 deraadt 596: p_flags(int f, char *format)
1.1 deraadt 597: {
598: char name[33], *flags;
1.43 mpech 599: struct bits *p = bits;
1.1 deraadt 600:
601: for (flags = name; p->b_mask; p++)
602: if (p->b_mask & f)
603: *flags++ = p->b_val;
604: *flags = '\0';
605: printf(format, name);
606: }
607:
608: static void
1.50 deraadt 609: p_rtentry(struct rtentry *rt)
1.1 deraadt 610: {
611: static struct ifnet ifnet, *lastif;
1.30 itojun 612: struct sockaddr_storage sock1, sock2;
613: struct sockaddr *sa = (struct sockaddr *)&sock1;
614: struct sockaddr *mask = (struct sockaddr *)&sock2;
1.46 deraadt 615:
1.21 peter 616: bcopy(kgetsa(rt_key(rt)), sa, sizeof(struct sockaddr));
1.30 itojun 617: if (sa->sa_len > sizeof(struct sockaddr))
618: bcopy(kgetsa(rt_key(rt)), sa, sa->sa_len);
1.21 peter 619:
1.26 angelos 620: if (sa->sa_family == PF_KEY) {
1.10 deraadt 621: encap_print(rt);
622: return;
1.9 angelos 623: }
1.21 peter 624:
1.30 itojun 625: if (rt_mask(rt)) {
1.21 peter 626: bcopy(kgetsa(rt_mask(rt)), mask, sizeof(struct sockaddr));
1.30 itojun 627: if (sa->sa_len > sizeof(struct sockaddr))
628: bcopy(kgetsa(rt_mask(rt)), mask, sa->sa_len);
629: } else
1.21 peter 630: mask = 0;
1.46 deraadt 631:
1.30 itojun 632: p_sockaddr(sa, mask, rt->rt_flags, WID_DST(sa->sa_family));
633: p_sockaddr(kgetsa(rt->rt_gateway), 0, RTF_HOST, WID_GW(sa->sa_family));
1.1 deraadt 634: p_flags(rt->rt_flags, "%-6.6s ");
1.13 millert 635: printf("%6d %8ld ", rt->rt_refcnt, rt->rt_use);
1.1 deraadt 636: if (rt->rt_rmx.rmx_mtu)
1.13 millert 637: printf("%6ld ", rt->rt_rmx.rmx_mtu);
1.1 deraadt 638: else
639: printf("%6s ", "-");
1.39 provos 640: putchar((rt->rt_rmx.rmx_locks & RTV_MTU) ? 'L' : ' ');
1.1 deraadt 641: if (rt->rt_ifp) {
642: if (rt->rt_ifp != lastif) {
643: kget(rt->rt_ifp, ifnet);
644: lastif = rt->rt_ifp;
645: }
1.2 deraadt 646: printf(" %.16s%s", ifnet.if_xname,
1.50 deraadt 647: rt->rt_nodes[0].rn_dupedkey ? " =>" : "");
1.1 deraadt 648: }
649: putchar('\n');
1.44 mickey 650: if (vflag) {
651: printf("\texpire %10lu%c recvpipe %10ld%c "
1.46 deraadt 652: "sendpipe %10ld%c\n",
653: rt->rt_rmx.rmx_expire,
654: (rt->rt_rmx.rmx_locks & RTV_EXPIRE) ? 'L' : ' ',
655: rt->rt_rmx.rmx_recvpipe,
656: (rt->rt_rmx.rmx_locks & RTV_RPIPE) ? 'L' : ' ',
657: rt->rt_rmx.rmx_sendpipe,
658: (rt->rt_rmx.rmx_locks & RTV_SPIPE) ? 'L' : ' ');
1.44 mickey 659: printf("\tssthresh %10lu%c rtt %10ld%c "
1.46 deraadt 660: "rttvar %10ld%c\n",
661: rt->rt_rmx.rmx_ssthresh,
662: (rt->rt_rmx.rmx_locks & RTV_SSTHRESH) ? 'L' : ' ',
663: rt->rt_rmx.rmx_rtt,
664: (rt->rt_rmx.rmx_locks & RTV_RTT) ? 'L' : ' ',
665: rt->rt_rmx.rmx_rttvar,
666: (rt->rt_rmx.rmx_locks & RTV_RTTVAR) ? 'L' : ' ');
667: }
1.1 deraadt 668: }
669:
670: char *
1.50 deraadt 671: routename(in_addr_t in)
1.1 deraadt 672: {
1.43 mpech 673: char *cp;
1.24 deraadt 674: static char line[MAXHOSTNAMELEN];
1.1 deraadt 675: struct hostent *hp;
1.24 deraadt 676: static char domain[MAXHOSTNAMELEN];
1.1 deraadt 677: static int first = 1;
678:
679: if (first) {
680: first = 0;
1.24 deraadt 681: if (gethostname(domain, sizeof domain) == 0 &&
1.7 millert 682: (cp = strchr(domain, '.')))
1.46 deraadt 683: (void) strlcpy(domain, cp + 1, sizeof domain);
1.1 deraadt 684: else
1.46 deraadt 685: domain[0] = '\0';
1.1 deraadt 686: }
687: cp = 0;
688: if (!nflag) {
689: hp = gethostbyaddr((char *)&in, sizeof (struct in_addr),
1.46 deraadt 690: AF_INET);
1.1 deraadt 691: if (hp) {
1.7 millert 692: if ((cp = strchr(hp->h_name, '.')) &&
1.1 deraadt 693: !strcmp(cp + 1, domain))
694: *cp = 0;
695: cp = hp->h_name;
696: }
697: }
1.22 deraadt 698: if (cp) {
1.46 deraadt 699: strlcpy(line, cp, sizeof(line));
1.22 deraadt 700: } else {
1.1 deraadt 701: #define C(x) ((x) & 0xff)
702: in = ntohl(in);
1.23 deraadt 703: snprintf(line, sizeof line, "%u.%u.%u.%u",
1.1 deraadt 704: C(in >> 24), C(in >> 16), C(in >> 8), C(in));
705: }
706: return (line);
707: }
708:
709: /*
710: * Return the name of the network whose address is given.
711: * The address is assumed to be that of a net or subnet, not a host.
712: */
713: char *
1.50 deraadt 714: netname(in_addr_t in, in_addr_t mask)
1.1 deraadt 715: {
716: char *cp = 0;
1.24 deraadt 717: static char line[MAXHOSTNAMELEN];
1.1 deraadt 718: struct netent *np = 0;
1.21 peter 719: int mbits;
1.1 deraadt 720:
721: in = ntohl(in);
722: mask = ntohl(mask);
723: if (!nflag && in != INADDR_ANY) {
1.30 itojun 724: if ((np = getnetbyaddr(in, AF_INET)) != NULL)
1.1 deraadt 725: cp = np->n_name;
726: }
1.21 peter 727: mbits = mask ? 33 - ffs(mask) : 0;
1.22 deraadt 728: if (cp) {
1.46 deraadt 729: strlcpy(line, cp, sizeof(line));
1.27 deraadt 730: } else if (mbits < 9)
1.23 deraadt 731: snprintf(line, sizeof line, "%u/%d", C(in >> 24), mbits);
1.27 deraadt 732: else if (mbits < 17)
1.23 deraadt 733: snprintf(line, sizeof line, "%u.%u/%d",
734: C(in >> 24) , C(in >> 16), mbits);
1.27 deraadt 735: else if (mbits < 25)
1.23 deraadt 736: snprintf(line, sizeof line, "%u.%u.%u/%d",
737: C(in >> 24), C(in >> 16), C(in >> 8), mbits);
1.1 deraadt 738: else
1.23 deraadt 739: snprintf(line, sizeof line, "%u.%u.%u.%u/%d", C(in >> 24),
1.46 deraadt 740: C(in >> 16), C(in >> 8), C(in), mbits);
1.1 deraadt 741: return (line);
742: }
743:
1.30 itojun 744: #ifdef INET6
745: char *
1.50 deraadt 746: netname6(struct sockaddr_in6 *sa6, struct in6_addr *mask)
1.30 itojun 747: {
748: static char line[MAXHOSTNAMELEN + 1];
1.35 itojun 749: struct sockaddr_in6 sin6;
1.30 itojun 750: u_char *p;
751: u_char *lim;
752: int masklen, final = 0, illegal = 0;
753: int i;
754: char hbuf[NI_MAXHOST];
755: #ifdef NI_WITHSCOPEID
756: int flag = NI_WITHSCOPEID;
757: #else
758: int flag = 0;
759: #endif
1.37 itojun 760: int error;
1.30 itojun 761:
1.35 itojun 762: sin6 = *sa6;
1.46 deraadt 763:
1.30 itojun 764: masklen = 0;
1.35 itojun 765: lim = (u_char *)(mask + 1);
766: i = 0;
1.36 itojun 767: if (mask) {
768: for (p = (u_char *)mask; p < lim; p++) {
769: if (final && *p) {
770: illegal++;
771: sin6.sin6_addr.s6_addr[i++] = 0x00;
772: continue;
773: }
774:
775: switch (*p & 0xff) {
776: case 0xff:
777: masklen += 8;
778: break;
779: case 0xfe:
780: masklen += 7;
781: final++;
782: break;
783: case 0xfc:
784: masklen += 6;
785: final++;
786: break;
787: case 0xf8:
788: masklen += 5;
789: final++;
790: break;
791: case 0xf0:
792: masklen += 4;
793: final++;
794: break;
795: case 0xe0:
796: masklen += 3;
797: final++;
798: break;
799: case 0xc0:
800: masklen += 2;
801: final++;
802: break;
803: case 0x80:
804: masklen += 1;
805: final++;
806: break;
807: case 0x00:
808: final++;
809: break;
810: default:
811: final++;
812: illegal++;
813: break;
814: }
1.30 itojun 815:
1.36 itojun 816: if (!illegal)
817: sin6.sin6_addr.s6_addr[i++] &= *p;
818: else
819: sin6.sin6_addr.s6_addr[i++] = 0x00;
1.30 itojun 820: }
1.36 itojun 821: } else
822: masklen = 128;
1.30 itojun 823:
1.35 itojun 824: if (masklen == 0 && IN6_IS_ADDR_UNSPECIFIED(&sin6.sin6_addr))
1.30 itojun 825: return("default");
826:
827: if (illegal)
828: fprintf(stderr, "illegal prefixlen\n");
829:
830: if (nflag)
831: flag |= NI_NUMERICHOST;
1.37 itojun 832: error = getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len,
833: hbuf, sizeof(hbuf), NULL, 0, flag);
834: if (error)
835: snprintf(hbuf, sizeof(hbuf), "invalid");
836:
1.30 itojun 837: snprintf(line, sizeof(line), "%s/%d", hbuf, masklen);
838: return line;
839: }
840:
841: char *
1.50 deraadt 842: routename6(struct sockaddr_in6 *sa6)
1.30 itojun 843: {
844: static char line[NI_MAXHOST];
845: #ifdef NI_WITHSCOPEID
846: const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID;
847: #else
848: const int niflag = NI_NUMERICHOST;
849: #endif
850: if (getnameinfo((struct sockaddr *)sa6, sa6->sin6_len,
1.46 deraadt 851: line, sizeof(line), NULL, 0, niflag) != 0)
852: strlcpy(line, "", sizeof line);
1.30 itojun 853: return line;
854: }
855: #endif /*INET6*/
856:
1.1 deraadt 857: /*
858: * Print routing statistics
859: */
860: void
1.50 deraadt 861: rt_stats(u_long off)
1.1 deraadt 862: {
863: struct rtstat rtstat;
864:
865: if (off == 0) {
866: printf("rtstat: symbol not in namelist\n");
867: return;
868: }
869: kread(off, (char *)&rtstat, sizeof (rtstat));
870: printf("routing:\n");
871: printf("\t%u bad routing redirect%s\n",
1.46 deraadt 872: rtstat.rts_badredirect, plural(rtstat.rts_badredirect));
1.1 deraadt 873: printf("\t%u dynamically created route%s\n",
1.46 deraadt 874: rtstat.rts_dynamic, plural(rtstat.rts_dynamic));
1.1 deraadt 875: printf("\t%u new gateway%s due to redirects\n",
1.46 deraadt 876: rtstat.rts_newgateway, plural(rtstat.rts_newgateway));
1.1 deraadt 877: printf("\t%u destination%s found unreachable\n",
1.46 deraadt 878: rtstat.rts_unreach, plural(rtstat.rts_unreach));
1.1 deraadt 879: printf("\t%u use%s of a wildcard route\n",
1.46 deraadt 880: rtstat.rts_wildcard, plural(rtstat.rts_wildcard));
1.1 deraadt 881: }
1.5 mickey 882:
1.1 deraadt 883: short ns_nullh[] = {0,0,0};
884: short ns_bh[] = {-1,-1,-1};
885:
886: char *
1.50 deraadt 887: ns_print(struct sockaddr *sa)
1.1 deraadt 888: {
1.43 mpech 889: struct sockaddr_ns *sns = (struct sockaddr_ns*)sa;
1.1 deraadt 890: struct ns_addr work;
891: union { union ns_net net_e; u_long long_e; } net;
1.13 millert 892: in_port_t port;
1.1 deraadt 893: static char mybuf[50], cport[10], chost[25];
894: char *host = "";
1.43 mpech 895: char *p;
896: u_char *q;
1.1 deraadt 897:
898: work = sns->sns_addr;
899: port = ntohs(work.x_port);
900: work.x_port = 0;
1.10 deraadt 901: net.net_e = work.x_net;
1.1 deraadt 902: if (ns_nullhost(work) && net.long_e == 0) {
903: if (port ) {
1.23 deraadt 904: snprintf(mybuf, sizeof mybuf, "*.%xH", port);
1.1 deraadt 905: upHex(mybuf);
906: } else
1.23 deraadt 907: snprintf(mybuf, sizeof mybuf, "*.*");
1.1 deraadt 908: return (mybuf);
909: }
910:
911: if (bcmp(ns_bh, work.x_host.c_host, 6) == 0) {
912: host = "any";
913: } else if (bcmp(ns_nullh, work.x_host.c_host, 6) == 0) {
914: host = "*";
915: } else {
916: q = work.x_host.c_host;
1.23 deraadt 917: snprintf(chost, sizeof chost, "%02x%02x%02x%02x%02x%02xH",
1.46 deraadt 918: q[0], q[1], q[2], q[3], q[4], q[5]);
1.1 deraadt 919: for (p = chost; *p == '0' && p < chost + 12; p++)
920: continue;
921: host = p;
922: }
923: if (port)
1.23 deraadt 924: snprintf(cport, sizeof cport, ".%xH", htons(port));
1.1 deraadt 925: else
926: *cport = 0;
927:
1.23 deraadt 928: snprintf(mybuf, sizeof mybuf, "%xH.%s%s", ntohl(net.long_e),
929: host, cport);
1.1 deraadt 930: upHex(mybuf);
931: return(mybuf);
932: }
933:
934: char *
1.50 deraadt 935: ns_phost(struct sockaddr *sa)
1.1 deraadt 936: {
1.43 mpech 937: struct sockaddr_ns *sns = (struct sockaddr_ns *)sa;
1.1 deraadt 938: struct sockaddr_ns work;
939: static union ns_net ns_zeronet;
940: char *p;
941:
942: work = *sns;
943: work.sns_addr.x_port = 0;
944: work.sns_addr.x_net = ns_zeronet;
945:
946: p = ns_print((struct sockaddr *)&work);
1.46 deraadt 947: if (strncmp("0H.", p, 3) == 0)
948: p += 3;
1.5 mickey 949: return(p);
950: }
951:
952: u_short ipx_nullh[] = {0,0,0};
953: u_short ipx_bh[] = {0xffff,0xffff,0xffff};
954:
955: char *
1.50 deraadt 956: ipx_print(struct sockaddr *sa)
1.5 mickey 957: {
1.43 mpech 958: struct sockaddr_ipx *sipx = (struct sockaddr_ipx*)sa;
1.5 mickey 959: struct ipx_addr work;
960: union { union ipx_net net_e; u_long long_e; } net;
1.13 millert 961: in_port_t port;
1.5 mickey 962: static char mybuf[50], cport[10], chost[25];
963: char *host = "";
1.43 mpech 964: char *q;
1.5 mickey 965:
966: work = sipx->sipx_addr;
967: port = ntohs(work.ipx_port);
968: work.ipx_port = 0;
1.10 deraadt 969: net.net_e = work.ipx_net;
1.5 mickey 970: if (ipx_nullhost(work) && net.long_e == 0) {
971: if (port != 0) {
1.23 deraadt 972: snprintf(mybuf, sizeof mybuf, "*.%xH", port);
1.5 mickey 973: upHex(mybuf);
974: } else
1.23 deraadt 975: snprintf(mybuf, sizeof mybuf, "*.*");
1.5 mickey 976: return (mybuf);
977: }
978:
979: if (bcmp(ipx_bh, work.ipx_host.c_host, 6) == 0) {
980: host = "any";
981: } else if (bcmp(ipx_nullh, work.ipx_host.c_host, 6) == 0) {
982: host = "*";
983: } else {
984: q = work.ipx_host.c_host;
1.23 deraadt 985: snprintf(chost, sizeof chost, "%02x:%02x:%02x:%02x:%02x:%02x",
986: q[0], q[1], q[2], q[3], q[4], q[5]);
1.5 mickey 987: host = chost;
988: }
989: if (port)
1.23 deraadt 990: snprintf(cport, sizeof cport, ".%xH", htons(port));
1.5 mickey 991: else
992: *cport = 0;
993:
1.23 deraadt 994: snprintf(mybuf, sizeof mybuf, "%xH.%s%s", ntohl(net.long_e),
995: host, cport);
1.5 mickey 996: upHex(mybuf);
997: return(mybuf);
998: }
999:
1000: char *
1.50 deraadt 1001: ipx_phost(struct sockaddr *sa)
1.5 mickey 1002: {
1.43 mpech 1003: struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)sa;
1.5 mickey 1004: struct sockaddr_ipx work;
1005: static union ipx_net ipx_zeronet;
1006: char *p;
1007:
1008: work = *sipx;
1009: work.sipx_addr.ipx_port = 0;
1010: work.sipx_addr.ipx_net = ipx_zeronet;
1011:
1012: p = ipx_print((struct sockaddr *)&work);
1.46 deraadt 1013: if (strncmp("0H.", p, 3) == 0)
1014: p += 3;
1.1 deraadt 1015: return(p);
1.9 angelos 1016: }
1017:
1018: static void
1.50 deraadt 1019: encap_print(struct rtentry *rt)
1.9 angelos 1020: {
1.10 deraadt 1021: struct sockaddr_encap sen1, sen2, sen3;
1.44 mickey 1022: struct ipsec_policy ipo;
1.38 angelos 1023:
1.31 angelos 1024: #ifdef INET6
1025: struct sockaddr_in6 s61, s62;
1026: #endif /* INET6 */
1.9 angelos 1027:
1028: bcopy(kgetsa(rt_key(rt)), &sen1, sizeof(sen1));
1029: bcopy(kgetsa(rt_mask(rt)), &sen2, sizeof(sen2));
1030: bcopy(kgetsa(rt->rt_gateway), &sen3, sizeof(sen3));
1031:
1.46 deraadt 1032: if (sen1.sen_type == SENT_IP4) {
1033: printf("%-18s %-5u ", netname(sen1.sen_ip_src.s_addr,
1034: sen2.sen_ip_src.s_addr), ntohs(sen1.sen_sport));
1035: printf("%-18s %-5u %-5u ", netname(sen1.sen_ip_dst.s_addr,
1036: sen2.sen_ip_dst.s_addr),
1037: ntohs(sen1.sen_dport), sen1.sen_proto);
1.31 angelos 1038: }
1039:
1040: #ifdef INET6
1.46 deraadt 1041: if (sen1.sen_type == SENT_IP6) {
1042: bzero(&s61, sizeof(s61));
1043: bzero(&s62, sizeof(s62));
1044: s61.sin6_family = s62.sin6_family = AF_INET6;
1045: s61.sin6_len = s62.sin6_len = sizeof(s61);
1046: bcopy(&sen1.sen_ip6_src, &s61.sin6_addr, sizeof(struct in6_addr));
1047: bcopy(&sen2.sen_ip6_src, &s62.sin6_addr, sizeof(struct in6_addr));
1048:
1049: printf("%-42s %-5u ", netname6(&s61, &s62.sin6_addr),
1050: ntohs(sen1.sen_ip6_sport));
1051:
1052: bzero(&s61, sizeof(s61));
1053: bzero(&s62, sizeof(s62));
1054: s61.sin6_family = s62.sin6_family = AF_INET6;
1055: s61.sin6_len = s62.sin6_len = sizeof(s61);
1056: bcopy(&sen1.sen_ip6_dst, &s61.sin6_addr, sizeof(struct in6_addr));
1057: bcopy(&sen2.sen_ip6_dst, &s62.sin6_addr, sizeof(struct in6_addr));
1.31 angelos 1058:
1.46 deraadt 1059: printf("%-42s %-5u %-5u ", netname6(&s61, &s62.sin6_addr),
1060: ntohs(sen1.sen_ip6_dport), sen1.sen_ip6_proto);
1.31 angelos 1061: }
1062: #endif /* INET6 */
1063:
1.46 deraadt 1064: if (sen3.sen_type == SENT_IPSP) {
1065: char hostn[NI_MAXHOST];
1.31 angelos 1066:
1.46 deraadt 1067: kget(sen3.sen_ipsp, ipo);
1.38 angelos 1068:
1.48 ho 1069: if (getnameinfo(&ipo.ipo_dst.sa, ipo.ipo_dst.sa.sa_len,
1070: hostn, NI_MAXHOST, NULL, 0, NI_NUMERICHOST) != 0)
1071: strlcpy (hostn, "none", NI_MAXHOST);
1072:
1.46 deraadt 1073: printf("%s", hostn);
1074: printf("/%-u", ipo.ipo_sproto);
1.44 mickey 1075:
1.46 deraadt 1076: switch (ipo.ipo_type) {
1.44 mickey 1077: case IPSP_IPSEC_REQUIRE:
1.46 deraadt 1078: printf("/require");
1079: break;
1.44 mickey 1080: case IPSP_IPSEC_ACQUIRE:
1.46 deraadt 1081: printf("/acquire");
1082: break;
1.44 mickey 1083: case IPSP_IPSEC_USE:
1.46 deraadt 1084: printf("/use");
1085: break;
1.44 mickey 1086: case IPSP_IPSEC_DONTACQ:
1.46 deraadt 1087: printf("/dontacq");
1088: break;
1.44 mickey 1089: case IPSP_PERMIT:
1.46 deraadt 1090: printf("/permit");
1091: break;
1.44 mickey 1092: case IPSP_DENY:
1.46 deraadt 1093: printf("/deny");
1094: break;
1.44 mickey 1095: default:
1.46 deraadt 1096: printf("/<unknown type!>");
1097: break;
1098: }
1.44 mickey 1099:
1.46 deraadt 1100: if ((ipo.ipo_addr.sen_type == SENT_IP4 &&
1101: ipo.ipo_addr.sen_direction == IPSP_DIRECTION_IN) ||
1102: (ipo.ipo_addr.sen_type == SENT_IP6 &&
1103: ipo.ipo_addr.sen_ip6_direction == IPSP_DIRECTION_IN))
1104: printf("/in\n");
1105: else if ((ipo.ipo_addr.sen_type == SENT_IP4 &&
1106: ipo.ipo_addr.sen_direction == IPSP_DIRECTION_OUT) ||
1107: (ipo.ipo_addr.sen_type == SENT_IP6 &&
1108: ipo.ipo_addr.sen_ip6_direction == IPSP_DIRECTION_OUT))
1109: printf("/out\n");
1110: else
1111: printf("/<unknown>\n");
1.44 mickey 1112: }
1.1 deraadt 1113: }
1114:
1115: void
1.50 deraadt 1116: upHex(char *p0)
1.1 deraadt 1117: {
1.43 mpech 1118: char *p = p0;
1.1 deraadt 1119:
1.46 deraadt 1120: for (; *p; p++)
1121: switch (*p) {
1122: case 'a':
1123: case 'b':
1124: case 'c':
1125: case 'd':
1126: case 'e':
1127: case 'f':
1128: *p += ('A' - 'a');
1129: break;
1.1 deraadt 1130: }
1131: }
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