Annotation of src/usr.bin/netstat/route.c, Revision 1.56
1.56 ! henric 1: /* $OpenBSD: route.c,v 1.55 2003/08/26 08:33:12 itojun 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
1.56 ! henric 37: static char *rcsid = "$OpenBSD: route.c,v 1.55 2003/08/26 08:33:12 itojun 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 {
1.55 itojun 93: int b_mask;
1.1 deraadt 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' },
1.55 itojun 112: { RTF_CLONED, 'c' },
1.1 deraadt 113: { 0 }
114: };
115:
116: static union {
1.6 deraadt 117: struct sockaddr u_sa;
118: u_int32_t u_data[64];
1.29 deraadt 119: int u_dummy; /* force word-alignment */
1.1 deraadt 120: } pt_u;
121:
122: int do_rtent = 0;
123: struct rtentry rtentry;
124: struct radix_node rnode;
125: struct radix_mask rmask;
126:
127: int NewTree = 0;
128:
1.45 millert 129: static struct sockaddr *kgetsa(struct sockaddr *);
130: static void p_tree(struct radix_node *);
1.54 deraadt 131: static void p_rtnode(void);
1.49 deraadt 132: static void p_rtflags(u_char);
1.54 deraadt 133: static void ntreestuff(void);
1.45 millert 134: static void np_rtentry(struct rt_msghdr *);
135: static void p_sockaddr(struct sockaddr *, struct sockaddr *, int, int);
136: static void p_flags(int, char *);
137: static void p_rtentry(struct rtentry *);
138: static void encap_print(struct rtentry *);
1.1 deraadt 139:
140: /*
141: * Print routing tables.
142: */
143: void
1.50 deraadt 144: routepr(u_long rtree)
1.1 deraadt 145: {
146: struct radix_node_head *rnh, head;
147: int i;
148:
149: printf("Routing tables\n");
150:
151: if (Aflag == 0 && NewTree)
152: ntreestuff();
153: else {
154: if (rtree == 0) {
155: printf("rt_tables: symbol not in namelist\n");
156: return;
157: }
158:
159: kget(rtree, rt_tables);
160: for (i = 0; i <= AF_MAX; i++) {
161: if ((rnh = rt_tables[i]) == 0)
162: continue;
163: kget(rnh, head);
164: if (i == AF_UNSPEC) {
165: if (Aflag && af == 0) {
166: printf("Netmasks:\n");
167: p_tree(head.rnh_treetop);
168: }
169: } else if (af == AF_UNSPEC || af == i) {
170: pr_family(i);
171: do_rtent = 1;
1.26 angelos 172: if (i != PF_KEY)
1.30 itojun 173: pr_rthdr(i);
1.9 angelos 174: else
1.10 deraadt 175: pr_encaphdr();
1.1 deraadt 176: p_tree(head.rnh_treetop);
177: }
178: }
179: }
180: }
181:
182: /*
183: * Print address family header before a section of the routing table.
184: */
185: void
1.50 deraadt 186: pr_family(int af)
1.1 deraadt 187: {
188: char *afname;
189:
190: switch (af) {
191: case AF_INET:
192: afname = "Internet";
193: break;
1.30 itojun 194: #ifdef INET6
195: case AF_INET6:
196: afname = "Internet6";
197: break;
1.44 mickey 198: #endif
1.1 deraadt 199: case AF_NS:
200: afname = "XNS";
201: break;
1.5 mickey 202: case AF_IPX:
203: afname = "IPX";
204: break;
1.1 deraadt 205: case AF_ISO:
206: afname = "ISO";
207: break;
208: case AF_CCITT:
209: afname = "X.25";
210: break;
1.26 angelos 211: case PF_KEY:
1.10 deraadt 212: afname = "Encap";
1.9 angelos 213: break;
1.18 denny 214: case AF_APPLETALK:
215: afname = "AppleTalk";
216: break;
1.1 deraadt 217: default:
218: afname = NULL;
219: break;
220: }
221: if (afname)
222: printf("\n%s:\n", afname);
223: else
224: printf("\nProtocol Family %d:\n", af);
225: }
226:
227: /* column widths; each followed by one space */
1.30 itojun 228: #ifndef INET6
229: #define WID_DST(af) 18 /* width of destination column */
230: #define WID_GW(af) 18 /* width of gateway column */
231: #else
232: /* width of destination/gateway column */
1.52 itojun 233: #if 1
1.30 itojun 234: /* strlen("fe80::aaaa:bbbb:cccc:dddd@gif0") == 30, strlen("/128") == 4 */
235: #define WID_DST(af) ((af) == AF_INET6 ? (nflag ? 34 : 18) : 18)
236: #define WID_GW(af) ((af) == AF_INET6 ? (nflag ? 30 : 18) : 18)
237: #else
238: /* strlen("fe80::aaaa:bbbb:cccc:dddd") == 25, strlen("/128") == 4 */
239: #define WID_DST(af) ((af) == AF_INET6 ? (nflag ? 29 : 18) : 18)
240: #define WID_GW(af) ((af) == AF_INET6 ? (nflag ? 25 : 18) : 18)
241: #endif
242: #endif /* INET6 */
1.1 deraadt 243:
244: /*
245: * Print header for routing table columns.
246: */
247: void
1.50 deraadt 248: pr_rthdr(int af)
1.1 deraadt 249: {
250:
251: if (Aflag)
1.15 millert 252: printf("%-*.*s ", PLEN, PLEN, "Address");
1.20 kstailey 253: printf("%-*.*s %-*.*s %-6.6s %6.6s %6.6s %6.6s %s\n",
1.46 deraadt 254: WID_DST(af), WID_DST(af), "Destination",
255: WID_GW(af), WID_GW(af), "Gateway",
256: "Flags", "Refs", "Use", "Mtu", "Interface");
1.1 deraadt 257: }
258:
1.9 angelos 259: /*
1.26 angelos 260: * Print header for PF_KEY entries.
1.9 angelos 261: */
262: void
1.50 deraadt 263: pr_encaphdr(void)
1.9 angelos 264: {
1.10 deraadt 265: if (Aflag)
1.15 millert 266: printf("%-*s ", PLEN, "Address");
1.28 ho 267: printf("%-18s %-5s %-18s %-5s %-5s %-22s\n",
1.44 mickey 268: "Source", "Port", "Destination",
1.38 angelos 269: "Port", "Proto", "SA(Address/Proto/Type/Direction)");
1.9 angelos 270: }
271:
1.1 deraadt 272: static struct sockaddr *
1.50 deraadt 273: kgetsa(struct sockaddr *dst)
1.1 deraadt 274: {
275:
276: kget(dst, pt_u.u_sa);
277: if (pt_u.u_sa.sa_len > sizeof (pt_u.u_sa))
278: kread((u_long)dst, (char *)pt_u.u_data, pt_u.u_sa.sa_len);
279: return (&pt_u.u_sa);
280: }
281:
282: static void
1.50 deraadt 283: p_tree(struct radix_node *rn)
1.1 deraadt 284: {
285:
286: again:
287: kget(rn, rnode);
288: if (rnode.rn_b < 0) {
289: if (Aflag)
1.14 millert 290: printf("%-16p ", rn);
1.1 deraadt 291: if (rnode.rn_flags & RNF_ROOT) {
292: if (Aflag)
293: printf("(root node)%s",
294: rnode.rn_dupedkey ? " =>\n" : "\n");
295: } else if (do_rtent) {
296: kget(rn, rtentry);
297: p_rtentry(&rtentry);
298: if (Aflag)
299: p_rtnode();
300: } else {
301: p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_key),
1.21 peter 302: 0, 0, 44);
1.1 deraadt 303: putchar('\n');
304: }
1.13 millert 305: if ((rn = rnode.rn_dupedkey))
1.1 deraadt 306: goto again;
307: } else {
308: if (Aflag && do_rtent) {
1.14 millert 309: printf("%-16p ", rn);
1.1 deraadt 310: p_rtnode();
311: }
312: rn = rnode.rn_r;
313: p_tree(rnode.rn_l);
314: p_tree(rn);
315: }
316: }
317:
1.49 deraadt 318: static void
319: p_rtflags(u_char flags)
320: {
321: putchar('<');
322: if (flags & RNF_NORMAL)
323: putchar('N');
324: if (flags & RNF_ROOT)
325: putchar('R');
326: if (flags & RNF_ACTIVE)
327: putchar('A');
1.56 ! henric 328: if (flags & ~(RNF_NORMAL | RNF_ROOT | RNF_ACTIVE))
1.49 deraadt 329: printf("/0x%02x", flags);
330: putchar('>');
331: }
332:
1.23 deraadt 333: char nbuf[25];
1.1 deraadt 334:
335: static void
1.50 deraadt 336: p_rtnode(void)
1.1 deraadt 337: {
338: struct radix_mask *rm = rnode.rn_mklist;
339:
340: if (rnode.rn_b < 0) {
341: if (rnode.rn_mask) {
342: printf("\t mask ");
343: p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_mask),
1.21 peter 344: 0, 0, -1);
1.1 deraadt 345: } else if (rm == 0)
346: return;
347: } else {
1.23 deraadt 348: snprintf(nbuf, sizeof nbuf, "(%d)", rnode.rn_b);
1.14 millert 349: printf("%6.6s %16p : %16p", nbuf, rnode.rn_l,
350: rnode.rn_r);
1.1 deraadt 351: }
1.49 deraadt 352:
353: putchar(' ');
354: p_rtflags(rnode.rn_flags);
355:
1.1 deraadt 356: while (rm) {
357: kget(rm, rmask);
1.23 deraadt 358: snprintf(nbuf, sizeof nbuf, " %d refs, ", rmask.rm_refs);
1.14 millert 359: printf(" mk = %16p {(%d),%s",
1.46 deraadt 360: rm, -1 - rmask.rm_b, rmask.rm_refs ? nbuf : " ");
1.49 deraadt 361: p_rtflags(rmask.rm_flags);
362: printf(", ");
363: if (rmask.rm_flags & RNF_NORMAL) {
364: struct radix_node rnode_aux;
365:
366: printf("leaf = %p ", rmask.rm_leaf);
367: kget(rmask.rm_leaf, rnode_aux);
368: p_sockaddr(kgetsa((struct sockaddr *)rnode_aux.rn_mask),
369: 0, 0, -1);
370: } else
371: p_sockaddr(kgetsa((struct sockaddr *)rmask.rm_mask),
372: 0, 0, -1);
1.1 deraadt 373: putchar('}');
1.13 millert 374: if ((rm = rmask.rm_mklist))
1.1 deraadt 375: printf(" ->");
376: }
377: putchar('\n');
378: }
379:
380: static void
1.50 deraadt 381: ntreestuff(void)
1.1 deraadt 382: {
383: size_t needed;
384: int mib[6];
385: char *buf, *next, *lim;
1.43 mpech 386: struct rt_msghdr *rtm;
1.1 deraadt 387:
1.10 deraadt 388: mib[0] = CTL_NET;
389: mib[1] = PF_ROUTE;
390: mib[2] = 0;
391: mib[3] = 0;
392: mib[4] = NET_RT_DUMP;
393: mib[5] = 0;
394: if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) {
395: perror("route-sysctl-estimate");
396: exit(1);
397: }
398: if ((buf = malloc(needed)) == 0) {
399: printf("out of space\n");
400: exit(1);
401: }
1.44 mickey 402: if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) {
1.10 deraadt 403: perror("sysctl of routing table");
404: exit(1);
405: }
406: lim = buf + needed;
1.1 deraadt 407: for (next = buf; next < lim; next += rtm->rtm_msglen) {
408: rtm = (struct rt_msghdr *)next;
409: np_rtentry(rtm);
410: }
411: }
412:
413: static void
1.50 deraadt 414: np_rtentry(struct rt_msghdr *rtm)
1.1 deraadt 415: {
1.43 mpech 416: struct sockaddr *sa = (struct sockaddr *)(rtm + 1);
1.1 deraadt 417: #ifdef notdef
418: static int masks_done, banner_printed;
419: #endif
420: static int old_af;
421: int af = 0, interesting = RTF_UP | RTF_GATEWAY | RTF_HOST;
422:
423: #ifdef notdef
424: /* for the moment, netmasks are skipped over */
425: if (!banner_printed) {
426: printf("Netmasks:\n");
427: banner_printed = 1;
428: }
429: if (masks_done == 0) {
430: if (rtm->rtm_addrs != RTA_DST ) {
431: masks_done = 1;
432: af = sa->sa_family;
433: }
434: } else
435: #endif
436: af = sa->sa_family;
437: if (af != old_af) {
438: pr_family(af);
439: old_af = af;
440: }
441: if (rtm->rtm_addrs == RTA_DST)
1.21 peter 442: p_sockaddr(sa, 0, 0, 36);
1.1 deraadt 443: else {
1.21 peter 444: p_sockaddr(sa, 0, rtm->rtm_flags, 16);
1.29 deraadt 445: sa = (struct sockaddr *)(ROUNDUP(sa->sa_len) + (char *)sa);
1.21 peter 446: p_sockaddr(sa, 0, 0, 18);
1.1 deraadt 447: }
448: p_flags(rtm->rtm_flags & interesting, "%-6.6s ");
449: putchar('\n');
450: }
451:
452: static void
1.50 deraadt 453: p_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags, int width)
1.1 deraadt 454: {
455: char workbuf[128], *cplim;
1.43 mpech 456: char *cp = workbuf;
1.25 millert 457: size_t n;
1.1 deraadt 458:
1.36 itojun 459: switch (sa->sa_family) {
1.1 deraadt 460: case AF_INET:
461: {
1.43 mpech 462: struct sockaddr_in *sin = (struct sockaddr_in *)sa;
463: struct sockaddr_in *msin = (struct sockaddr_in *)mask;
1.1 deraadt 464:
465: cp = (sin->sin_addr.s_addr == 0) ? "default" :
1.46 deraadt 466: ((flags & RTF_HOST) || mask == NULL ?
467: routename(sin->sin_addr.s_addr) :
468: netname(sin->sin_addr.s_addr, msin->sin_addr.s_addr));
1.21 peter 469:
1.1 deraadt 470: break;
471: }
472:
1.30 itojun 473: #ifdef INET6
474: case AF_INET6:
475: {
476: struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)sa;
1.52 itojun 477: #ifdef __KAME__
1.30 itojun 478: struct in6_addr *in6 = &sa6->sin6_addr;
479:
480: /*
481: * XXX: This is a special workaround for KAME kernels.
482: * sin6_scope_id field of SA should be set in the future.
483: */
484: if (IN6_IS_ADDR_LINKLOCAL(in6) ||
485: IN6_IS_ADDR_MC_LINKLOCAL(in6)) {
1.46 deraadt 486: /* XXX: override is ok? */
487: sa6->sin6_scope_id = (u_int32_t)ntohs(*(u_short *)
488: &in6->s6_addr[2]);
489: *(u_short *)&in6->s6_addr[2] = 0;
1.30 itojun 490: }
491: #endif
492: if (flags & RTF_HOST)
493: cp = routename6(sa6);
494: else if (mask) {
495: cp = netname6(sa6,
1.46 deraadt 496: &((struct sockaddr_in6 *)mask)->sin6_addr);
1.30 itojun 497: } else
498: cp = netname6(sa6, NULL);
499: break;
500: }
1.44 mickey 501: #endif
1.30 itojun 502:
1.1 deraadt 503: case AF_NS:
504: cp = ns_print(sa);
505: break;
506:
1.5 mickey 507: case AF_IPX:
508: cp = ipx_print(sa);
509: break;
1.44 mickey 510:
1.1 deraadt 511: case AF_LINK:
512: {
1.43 mpech 513: struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa;
1.1 deraadt 514:
515: if (sdl->sdl_nlen == 0 && sdl->sdl_alen == 0 &&
516: sdl->sdl_slen == 0)
1.23 deraadt 517: (void) snprintf(workbuf, sizeof workbuf,
518: "link#%d", sdl->sdl_index);
1.1 deraadt 519: else switch (sdl->sdl_type) {
520: case IFT_ETHER:
521: {
1.43 mpech 522: int i;
523: u_char *lla = (u_char *)sdl->sdl_data +
1.1 deraadt 524: sdl->sdl_nlen;
525:
526: cplim = "";
527: for (i = 0; i < sdl->sdl_alen; i++, lla++) {
1.25 millert 528: n = snprintf(cp,
1.4 deraadt 529: workbuf + sizeof (workbuf) - cp,
530: "%s%x", cplim, *lla);
1.41 brian 531: cplim = ":";
1.47 deraadt 532: if (n < 0) /* What else to do ? */
1.46 deraadt 533: continue;
1.25 millert 534: if (n >= workbuf + sizeof (workbuf) - cp)
535: n = workbuf + sizeof (workbuf) - cp - 1;
536: cp += n;
1.1 deraadt 537: }
538: cp = workbuf;
539: break;
540: }
541: default:
542: cp = link_ntoa(sdl);
543: break;
544: }
545: break;
546: }
547:
1.18 denny 548: case AF_APPLETALK:
549: {
550: /* XXX could do better */
551: cp = atalk_print(sa,11);
552: break;
553: }
1.1 deraadt 554: default:
555: {
1.43 mpech 556: u_char *s = (u_char *)sa->sa_data, *slim;
1.1 deraadt 557:
1.10 deraadt 558: slim = sa->sa_len + (u_char *) sa;
1.1 deraadt 559: cplim = cp + sizeof(workbuf) - 6;
1.47 deraadt 560: if ((n = snprintf(cp, cplim - cp, "(%d)", sa->sa_family)) >=
561: cplim - cp)
1.25 millert 562: n = cplim - cp - 1;
1.41 brian 563: if (n > 0)
564: cp += n;
1.1 deraadt 565: while (s < slim && cp < cplim) {
1.47 deraadt 566: if ((n = snprintf(cp, workbuf + sizeof (workbuf) - cp,
567: " %02x", *s++)) >= workbuf + sizeof (workbuf) - cp)
1.25 millert 568: n = workbuf + sizeof (workbuf) - cp - 1;
1.41 brian 569: if (n > 0)
570: cp += n;
1.25 millert 571: if (s < slim) {
1.47 deraadt 572: if ((n = snprintf(cp,
1.4 deraadt 573: workbuf + sizeof (workbuf) - cp,
1.47 deraadt 574: "%02x", *s++)) >=
575: workbuf + sizeof (workbuf) - cp)
1.25 millert 576: n = workbuf + sizeof (workbuf) - cp - 1;
1.41 brian 577: if (n > 0)
578: cp += n;
1.25 millert 579: }
1.1 deraadt 580: }
581: cp = workbuf;
582: }
583: }
584: if (width < 0 )
585: printf("%s ", cp);
586: else {
587: if (nflag)
588: printf("%-*s ", width, cp);
589: else
590: printf("%-*.*s ", width, width, cp);
591: }
592: }
593:
594: static void
1.50 deraadt 595: p_flags(int f, char *format)
1.1 deraadt 596: {
597: char name[33], *flags;
1.43 mpech 598: struct bits *p = bits;
1.1 deraadt 599:
600: for (flags = name; p->b_mask; p++)
601: if (p->b_mask & f)
602: *flags++ = p->b_val;
603: *flags = '\0';
604: printf(format, name);
605: }
606:
607: static void
1.50 deraadt 608: p_rtentry(struct rtentry *rt)
1.1 deraadt 609: {
610: static struct ifnet ifnet, *lastif;
1.30 itojun 611: struct sockaddr_storage sock1, sock2;
612: struct sockaddr *sa = (struct sockaddr *)&sock1;
613: struct sockaddr *mask = (struct sockaddr *)&sock2;
1.46 deraadt 614:
1.21 peter 615: bcopy(kgetsa(rt_key(rt)), sa, sizeof(struct sockaddr));
1.30 itojun 616: if (sa->sa_len > sizeof(struct sockaddr))
617: bcopy(kgetsa(rt_key(rt)), sa, sa->sa_len);
1.21 peter 618:
1.26 angelos 619: if (sa->sa_family == PF_KEY) {
1.10 deraadt 620: encap_print(rt);
621: return;
1.9 angelos 622: }
1.21 peter 623:
1.30 itojun 624: if (rt_mask(rt)) {
1.21 peter 625: bcopy(kgetsa(rt_mask(rt)), mask, sizeof(struct sockaddr));
1.30 itojun 626: if (sa->sa_len > sizeof(struct sockaddr))
627: bcopy(kgetsa(rt_mask(rt)), mask, sa->sa_len);
628: } else
1.21 peter 629: mask = 0;
1.46 deraadt 630:
1.30 itojun 631: p_sockaddr(sa, mask, rt->rt_flags, WID_DST(sa->sa_family));
632: p_sockaddr(kgetsa(rt->rt_gateway), 0, RTF_HOST, WID_GW(sa->sa_family));
1.1 deraadt 633: p_flags(rt->rt_flags, "%-6.6s ");
1.13 millert 634: printf("%6d %8ld ", rt->rt_refcnt, rt->rt_use);
1.1 deraadt 635: if (rt->rt_rmx.rmx_mtu)
1.13 millert 636: printf("%6ld ", rt->rt_rmx.rmx_mtu);
1.1 deraadt 637: else
638: printf("%6s ", "-");
1.39 provos 639: putchar((rt->rt_rmx.rmx_locks & RTV_MTU) ? 'L' : ' ');
1.1 deraadt 640: if (rt->rt_ifp) {
641: if (rt->rt_ifp != lastif) {
642: kget(rt->rt_ifp, ifnet);
643: lastif = rt->rt_ifp;
644: }
1.2 deraadt 645: printf(" %.16s%s", ifnet.if_xname,
1.50 deraadt 646: rt->rt_nodes[0].rn_dupedkey ? " =>" : "");
1.1 deraadt 647: }
648: putchar('\n');
1.44 mickey 649: if (vflag) {
650: printf("\texpire %10lu%c recvpipe %10ld%c "
1.46 deraadt 651: "sendpipe %10ld%c\n",
652: rt->rt_rmx.rmx_expire,
653: (rt->rt_rmx.rmx_locks & RTV_EXPIRE) ? 'L' : ' ',
654: rt->rt_rmx.rmx_recvpipe,
655: (rt->rt_rmx.rmx_locks & RTV_RPIPE) ? 'L' : ' ',
656: rt->rt_rmx.rmx_sendpipe,
657: (rt->rt_rmx.rmx_locks & RTV_SPIPE) ? 'L' : ' ');
1.44 mickey 658: printf("\tssthresh %10lu%c rtt %10ld%c "
1.46 deraadt 659: "rttvar %10ld%c\n",
660: rt->rt_rmx.rmx_ssthresh,
661: (rt->rt_rmx.rmx_locks & RTV_SSTHRESH) ? 'L' : ' ',
662: rt->rt_rmx.rmx_rtt,
663: (rt->rt_rmx.rmx_locks & RTV_RTT) ? 'L' : ' ',
664: rt->rt_rmx.rmx_rttvar,
665: (rt->rt_rmx.rmx_locks & RTV_RTTVAR) ? 'L' : ' ');
666: }
1.1 deraadt 667: }
668:
669: char *
1.50 deraadt 670: routename(in_addr_t in)
1.1 deraadt 671: {
1.43 mpech 672: char *cp;
1.24 deraadt 673: static char line[MAXHOSTNAMELEN];
1.1 deraadt 674: struct hostent *hp;
1.24 deraadt 675: static char domain[MAXHOSTNAMELEN];
1.1 deraadt 676: static int first = 1;
677:
678: if (first) {
679: first = 0;
1.24 deraadt 680: if (gethostname(domain, sizeof domain) == 0 &&
1.7 millert 681: (cp = strchr(domain, '.')))
1.46 deraadt 682: (void) strlcpy(domain, cp + 1, sizeof domain);
1.1 deraadt 683: else
1.46 deraadt 684: domain[0] = '\0';
1.1 deraadt 685: }
686: cp = 0;
687: if (!nflag) {
688: hp = gethostbyaddr((char *)&in, sizeof (struct in_addr),
1.46 deraadt 689: AF_INET);
1.1 deraadt 690: if (hp) {
1.7 millert 691: if ((cp = strchr(hp->h_name, '.')) &&
1.1 deraadt 692: !strcmp(cp + 1, domain))
693: *cp = 0;
694: cp = hp->h_name;
695: }
696: }
1.22 deraadt 697: if (cp) {
1.46 deraadt 698: strlcpy(line, cp, sizeof(line));
1.22 deraadt 699: } else {
1.1 deraadt 700: #define C(x) ((x) & 0xff)
701: in = ntohl(in);
1.23 deraadt 702: snprintf(line, sizeof line, "%u.%u.%u.%u",
1.1 deraadt 703: C(in >> 24), C(in >> 16), C(in >> 8), C(in));
704: }
705: return (line);
706: }
707:
708: /*
709: * Return the name of the network whose address is given.
710: * The address is assumed to be that of a net or subnet, not a host.
711: */
712: char *
1.50 deraadt 713: netname(in_addr_t in, in_addr_t mask)
1.1 deraadt 714: {
715: char *cp = 0;
1.24 deraadt 716: static char line[MAXHOSTNAMELEN];
1.1 deraadt 717: struct netent *np = 0;
1.21 peter 718: int mbits;
1.1 deraadt 719:
720: in = ntohl(in);
721: mask = ntohl(mask);
722: if (!nflag && in != INADDR_ANY) {
1.30 itojun 723: if ((np = getnetbyaddr(in, AF_INET)) != NULL)
1.1 deraadt 724: cp = np->n_name;
725: }
1.21 peter 726: mbits = mask ? 33 - ffs(mask) : 0;
1.22 deraadt 727: if (cp) {
1.46 deraadt 728: strlcpy(line, cp, sizeof(line));
1.27 deraadt 729: } else if (mbits < 9)
1.23 deraadt 730: snprintf(line, sizeof line, "%u/%d", C(in >> 24), mbits);
1.27 deraadt 731: else if (mbits < 17)
1.23 deraadt 732: snprintf(line, sizeof line, "%u.%u/%d",
733: C(in >> 24) , C(in >> 16), mbits);
1.27 deraadt 734: else if (mbits < 25)
1.23 deraadt 735: snprintf(line, sizeof line, "%u.%u.%u/%d",
736: C(in >> 24), C(in >> 16), C(in >> 8), mbits);
1.1 deraadt 737: else
1.23 deraadt 738: snprintf(line, sizeof line, "%u.%u.%u.%u/%d", C(in >> 24),
1.46 deraadt 739: C(in >> 16), C(in >> 8), C(in), mbits);
1.1 deraadt 740: return (line);
741: }
742:
1.30 itojun 743: #ifdef INET6
744: char *
1.50 deraadt 745: netname6(struct sockaddr_in6 *sa6, struct in6_addr *mask)
1.30 itojun 746: {
747: static char line[MAXHOSTNAMELEN + 1];
1.35 itojun 748: struct sockaddr_in6 sin6;
1.30 itojun 749: u_char *p;
750: u_char *lim;
751: int masklen, final = 0, illegal = 0;
752: int i;
753: char hbuf[NI_MAXHOST];
754: #ifdef NI_WITHSCOPEID
755: int flag = NI_WITHSCOPEID;
756: #else
757: int flag = 0;
758: #endif
1.37 itojun 759: int error;
1.30 itojun 760:
1.35 itojun 761: sin6 = *sa6;
1.46 deraadt 762:
1.30 itojun 763: masklen = 0;
1.35 itojun 764: lim = (u_char *)(mask + 1);
765: i = 0;
1.36 itojun 766: if (mask) {
767: for (p = (u_char *)mask; p < lim; p++) {
768: if (final && *p) {
769: illegal++;
770: sin6.sin6_addr.s6_addr[i++] = 0x00;
771: continue;
772: }
773:
774: switch (*p & 0xff) {
775: case 0xff:
776: masklen += 8;
777: break;
778: case 0xfe:
779: masklen += 7;
780: final++;
781: break;
782: case 0xfc:
783: masklen += 6;
784: final++;
785: break;
786: case 0xf8:
787: masklen += 5;
788: final++;
789: break;
790: case 0xf0:
791: masklen += 4;
792: final++;
793: break;
794: case 0xe0:
795: masklen += 3;
796: final++;
797: break;
798: case 0xc0:
799: masklen += 2;
800: final++;
801: break;
802: case 0x80:
803: masklen += 1;
804: final++;
805: break;
806: case 0x00:
807: final++;
808: break;
809: default:
810: final++;
811: illegal++;
812: break;
813: }
1.30 itojun 814:
1.36 itojun 815: if (!illegal)
816: sin6.sin6_addr.s6_addr[i++] &= *p;
817: else
818: sin6.sin6_addr.s6_addr[i++] = 0x00;
1.30 itojun 819: }
1.36 itojun 820: } else
821: masklen = 128;
1.30 itojun 822:
1.35 itojun 823: if (masklen == 0 && IN6_IS_ADDR_UNSPECIFIED(&sin6.sin6_addr))
1.30 itojun 824: return("default");
825:
826: if (illegal)
827: fprintf(stderr, "illegal prefixlen\n");
828:
829: if (nflag)
830: flag |= NI_NUMERICHOST;
1.37 itojun 831: error = getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len,
832: hbuf, sizeof(hbuf), NULL, 0, flag);
833: if (error)
834: snprintf(hbuf, sizeof(hbuf), "invalid");
835:
1.30 itojun 836: snprintf(line, sizeof(line), "%s/%d", hbuf, masklen);
837: return line;
838: }
839:
840: char *
1.50 deraadt 841: routename6(struct sockaddr_in6 *sa6)
1.30 itojun 842: {
843: static char line[NI_MAXHOST];
844: #ifdef NI_WITHSCOPEID
845: const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID;
846: #else
847: const int niflag = NI_NUMERICHOST;
848: #endif
849: if (getnameinfo((struct sockaddr *)sa6, sa6->sin6_len,
1.46 deraadt 850: line, sizeof(line), NULL, 0, niflag) != 0)
851: strlcpy(line, "", sizeof line);
1.30 itojun 852: return line;
853: }
854: #endif /*INET6*/
855:
1.1 deraadt 856: /*
857: * Print routing statistics
858: */
859: void
1.50 deraadt 860: rt_stats(u_long off)
1.1 deraadt 861: {
862: struct rtstat rtstat;
863:
864: if (off == 0) {
865: printf("rtstat: symbol not in namelist\n");
866: return;
867: }
868: kread(off, (char *)&rtstat, sizeof (rtstat));
869: printf("routing:\n");
870: printf("\t%u bad routing redirect%s\n",
1.46 deraadt 871: rtstat.rts_badredirect, plural(rtstat.rts_badredirect));
1.1 deraadt 872: printf("\t%u dynamically created route%s\n",
1.46 deraadt 873: rtstat.rts_dynamic, plural(rtstat.rts_dynamic));
1.1 deraadt 874: printf("\t%u new gateway%s due to redirects\n",
1.46 deraadt 875: rtstat.rts_newgateway, plural(rtstat.rts_newgateway));
1.1 deraadt 876: printf("\t%u destination%s found unreachable\n",
1.46 deraadt 877: rtstat.rts_unreach, plural(rtstat.rts_unreach));
1.1 deraadt 878: printf("\t%u use%s of a wildcard route\n",
1.46 deraadt 879: rtstat.rts_wildcard, plural(rtstat.rts_wildcard));
1.1 deraadt 880: }
1.5 mickey 881:
1.1 deraadt 882: short ns_nullh[] = {0,0,0};
883: short ns_bh[] = {-1,-1,-1};
884:
885: char *
1.50 deraadt 886: ns_print(struct sockaddr *sa)
1.1 deraadt 887: {
1.43 mpech 888: struct sockaddr_ns *sns = (struct sockaddr_ns*)sa;
1.1 deraadt 889: struct ns_addr work;
890: union { union ns_net net_e; u_long long_e; } net;
1.13 millert 891: in_port_t port;
1.1 deraadt 892: static char mybuf[50], cport[10], chost[25];
893: char *host = "";
1.43 mpech 894: char *p;
895: u_char *q;
1.1 deraadt 896:
897: work = sns->sns_addr;
898: port = ntohs(work.x_port);
899: work.x_port = 0;
1.10 deraadt 900: net.net_e = work.x_net;
1.1 deraadt 901: if (ns_nullhost(work) && net.long_e == 0) {
902: if (port ) {
1.23 deraadt 903: snprintf(mybuf, sizeof mybuf, "*.%xH", port);
1.1 deraadt 904: upHex(mybuf);
905: } else
1.23 deraadt 906: snprintf(mybuf, sizeof mybuf, "*.*");
1.1 deraadt 907: return (mybuf);
908: }
909:
910: if (bcmp(ns_bh, work.x_host.c_host, 6) == 0) {
911: host = "any";
912: } else if (bcmp(ns_nullh, work.x_host.c_host, 6) == 0) {
913: host = "*";
914: } else {
915: q = work.x_host.c_host;
1.23 deraadt 916: snprintf(chost, sizeof chost, "%02x%02x%02x%02x%02x%02xH",
1.46 deraadt 917: q[0], q[1], q[2], q[3], q[4], q[5]);
1.1 deraadt 918: for (p = chost; *p == '0' && p < chost + 12; p++)
919: continue;
920: host = p;
921: }
922: if (port)
1.23 deraadt 923: snprintf(cport, sizeof cport, ".%xH", htons(port));
1.1 deraadt 924: else
925: *cport = 0;
926:
1.23 deraadt 927: snprintf(mybuf, sizeof mybuf, "%xH.%s%s", ntohl(net.long_e),
928: host, cport);
1.1 deraadt 929: upHex(mybuf);
930: return(mybuf);
931: }
932:
933: char *
1.50 deraadt 934: ns_phost(struct sockaddr *sa)
1.1 deraadt 935: {
1.43 mpech 936: struct sockaddr_ns *sns = (struct sockaddr_ns *)sa;
1.1 deraadt 937: struct sockaddr_ns work;
938: static union ns_net ns_zeronet;
939: char *p;
940:
941: work = *sns;
942: work.sns_addr.x_port = 0;
943: work.sns_addr.x_net = ns_zeronet;
944:
945: p = ns_print((struct sockaddr *)&work);
1.46 deraadt 946: if (strncmp("0H.", p, 3) == 0)
947: p += 3;
1.5 mickey 948: return(p);
949: }
950:
951: u_short ipx_nullh[] = {0,0,0};
952: u_short ipx_bh[] = {0xffff,0xffff,0xffff};
953:
954: char *
1.50 deraadt 955: ipx_print(struct sockaddr *sa)
1.5 mickey 956: {
1.43 mpech 957: struct sockaddr_ipx *sipx = (struct sockaddr_ipx*)sa;
1.5 mickey 958: struct ipx_addr work;
959: union { union ipx_net net_e; u_long long_e; } net;
1.13 millert 960: in_port_t port;
1.5 mickey 961: static char mybuf[50], cport[10], chost[25];
962: char *host = "";
1.43 mpech 963: char *q;
1.5 mickey 964:
965: work = sipx->sipx_addr;
966: port = ntohs(work.ipx_port);
967: work.ipx_port = 0;
1.10 deraadt 968: net.net_e = work.ipx_net;
1.5 mickey 969: if (ipx_nullhost(work) && net.long_e == 0) {
970: if (port != 0) {
1.23 deraadt 971: snprintf(mybuf, sizeof mybuf, "*.%xH", port);
1.5 mickey 972: upHex(mybuf);
973: } else
1.23 deraadt 974: snprintf(mybuf, sizeof mybuf, "*.*");
1.5 mickey 975: return (mybuf);
976: }
977:
978: if (bcmp(ipx_bh, work.ipx_host.c_host, 6) == 0) {
979: host = "any";
980: } else if (bcmp(ipx_nullh, work.ipx_host.c_host, 6) == 0) {
981: host = "*";
982: } else {
983: q = work.ipx_host.c_host;
1.23 deraadt 984: snprintf(chost, sizeof chost, "%02x:%02x:%02x:%02x:%02x:%02x",
985: q[0], q[1], q[2], q[3], q[4], q[5]);
1.5 mickey 986: host = chost;
987: }
988: if (port)
1.23 deraadt 989: snprintf(cport, sizeof cport, ".%xH", htons(port));
1.5 mickey 990: else
991: *cport = 0;
992:
1.23 deraadt 993: snprintf(mybuf, sizeof mybuf, "%xH.%s%s", ntohl(net.long_e),
994: host, cport);
1.5 mickey 995: upHex(mybuf);
996: return(mybuf);
997: }
998:
999: char *
1.50 deraadt 1000: ipx_phost(struct sockaddr *sa)
1.5 mickey 1001: {
1.43 mpech 1002: struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)sa;
1.5 mickey 1003: struct sockaddr_ipx work;
1004: static union ipx_net ipx_zeronet;
1005: char *p;
1006:
1007: work = *sipx;
1008: work.sipx_addr.ipx_port = 0;
1009: work.sipx_addr.ipx_net = ipx_zeronet;
1010:
1011: p = ipx_print((struct sockaddr *)&work);
1.46 deraadt 1012: if (strncmp("0H.", p, 3) == 0)
1013: p += 3;
1.1 deraadt 1014: return(p);
1.9 angelos 1015: }
1016:
1017: static void
1.50 deraadt 1018: encap_print(struct rtentry *rt)
1.9 angelos 1019: {
1.10 deraadt 1020: struct sockaddr_encap sen1, sen2, sen3;
1.44 mickey 1021: struct ipsec_policy ipo;
1.38 angelos 1022:
1.31 angelos 1023: #ifdef INET6
1024: struct sockaddr_in6 s61, s62;
1025: #endif /* INET6 */
1.9 angelos 1026:
1027: bcopy(kgetsa(rt_key(rt)), &sen1, sizeof(sen1));
1028: bcopy(kgetsa(rt_mask(rt)), &sen2, sizeof(sen2));
1029: bcopy(kgetsa(rt->rt_gateway), &sen3, sizeof(sen3));
1030:
1.46 deraadt 1031: if (sen1.sen_type == SENT_IP4) {
1032: printf("%-18s %-5u ", netname(sen1.sen_ip_src.s_addr,
1033: sen2.sen_ip_src.s_addr), ntohs(sen1.sen_sport));
1034: printf("%-18s %-5u %-5u ", netname(sen1.sen_ip_dst.s_addr,
1035: sen2.sen_ip_dst.s_addr),
1036: ntohs(sen1.sen_dport), sen1.sen_proto);
1.31 angelos 1037: }
1038:
1039: #ifdef INET6
1.46 deraadt 1040: if (sen1.sen_type == SENT_IP6) {
1041: bzero(&s61, sizeof(s61));
1042: bzero(&s62, sizeof(s62));
1043: s61.sin6_family = s62.sin6_family = AF_INET6;
1044: s61.sin6_len = s62.sin6_len = sizeof(s61);
1045: bcopy(&sen1.sen_ip6_src, &s61.sin6_addr, sizeof(struct in6_addr));
1046: bcopy(&sen2.sen_ip6_src, &s62.sin6_addr, sizeof(struct in6_addr));
1047:
1048: printf("%-42s %-5u ", netname6(&s61, &s62.sin6_addr),
1049: ntohs(sen1.sen_ip6_sport));
1050:
1051: bzero(&s61, sizeof(s61));
1052: bzero(&s62, sizeof(s62));
1053: s61.sin6_family = s62.sin6_family = AF_INET6;
1054: s61.sin6_len = s62.sin6_len = sizeof(s61);
1055: bcopy(&sen1.sen_ip6_dst, &s61.sin6_addr, sizeof(struct in6_addr));
1056: bcopy(&sen2.sen_ip6_dst, &s62.sin6_addr, sizeof(struct in6_addr));
1.31 angelos 1057:
1.46 deraadt 1058: printf("%-42s %-5u %-5u ", netname6(&s61, &s62.sin6_addr),
1059: ntohs(sen1.sen_ip6_dport), sen1.sen_ip6_proto);
1.31 angelos 1060: }
1061: #endif /* INET6 */
1062:
1.46 deraadt 1063: if (sen3.sen_type == SENT_IPSP) {
1064: char hostn[NI_MAXHOST];
1.31 angelos 1065:
1.46 deraadt 1066: kget(sen3.sen_ipsp, ipo);
1.38 angelos 1067:
1.48 ho 1068: if (getnameinfo(&ipo.ipo_dst.sa, ipo.ipo_dst.sa.sa_len,
1069: hostn, NI_MAXHOST, NULL, 0, NI_NUMERICHOST) != 0)
1070: strlcpy (hostn, "none", NI_MAXHOST);
1071:
1.46 deraadt 1072: printf("%s", hostn);
1073: printf("/%-u", ipo.ipo_sproto);
1.44 mickey 1074:
1.46 deraadt 1075: switch (ipo.ipo_type) {
1.44 mickey 1076: case IPSP_IPSEC_REQUIRE:
1.46 deraadt 1077: printf("/require");
1078: break;
1.44 mickey 1079: case IPSP_IPSEC_ACQUIRE:
1.46 deraadt 1080: printf("/acquire");
1081: break;
1.44 mickey 1082: case IPSP_IPSEC_USE:
1.46 deraadt 1083: printf("/use");
1084: break;
1.44 mickey 1085: case IPSP_IPSEC_DONTACQ:
1.46 deraadt 1086: printf("/dontacq");
1087: break;
1.44 mickey 1088: case IPSP_PERMIT:
1.46 deraadt 1089: printf("/permit");
1090: break;
1.44 mickey 1091: case IPSP_DENY:
1.46 deraadt 1092: printf("/deny");
1093: break;
1.44 mickey 1094: default:
1.46 deraadt 1095: printf("/<unknown type!>");
1096: break;
1097: }
1.44 mickey 1098:
1.46 deraadt 1099: if ((ipo.ipo_addr.sen_type == SENT_IP4 &&
1100: ipo.ipo_addr.sen_direction == IPSP_DIRECTION_IN) ||
1101: (ipo.ipo_addr.sen_type == SENT_IP6 &&
1102: ipo.ipo_addr.sen_ip6_direction == IPSP_DIRECTION_IN))
1103: printf("/in\n");
1104: else if ((ipo.ipo_addr.sen_type == SENT_IP4 &&
1105: ipo.ipo_addr.sen_direction == IPSP_DIRECTION_OUT) ||
1106: (ipo.ipo_addr.sen_type == SENT_IP6 &&
1107: ipo.ipo_addr.sen_ip6_direction == IPSP_DIRECTION_OUT))
1108: printf("/out\n");
1109: else
1110: printf("/<unknown>\n");
1.44 mickey 1111: }
1.1 deraadt 1112: }
1113:
1114: void
1.50 deraadt 1115: upHex(char *p0)
1.1 deraadt 1116: {
1.43 mpech 1117: char *p = p0;
1.1 deraadt 1118:
1.46 deraadt 1119: for (; *p; p++)
1120: switch (*p) {
1121: case 'a':
1122: case 'b':
1123: case 'c':
1124: case 'd':
1125: case 'e':
1126: case 'f':
1127: *p += ('A' - 'a');
1128: break;
1.1 deraadt 1129: }
1130: }
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