Annotation of src/usr.bin/netstat/route.c, Revision 1.55
1.55 ! itojun 1: /* $OpenBSD: route.c,v 1.54 2003/06/26 21:59:11 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.
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
1.55 ! itojun 37: static char *rcsid = "$OpenBSD: route.c,v 1.54 2003/06/26 21:59:11 deraadt 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');
328: if (flags & RNF_IGNORE)
329: putchar('I');
330: if (flags & ~(RNF_NORMAL | RNF_ROOT | RNF_ACTIVE | RNF_IGNORE))
331: printf("/0x%02x", flags);
332: putchar('>');
333: }
334:
1.23 deraadt 335: char nbuf[25];
1.1 deraadt 336:
337: static void
1.50 deraadt 338: p_rtnode(void)
1.1 deraadt 339: {
340: struct radix_mask *rm = rnode.rn_mklist;
341:
342: if (rnode.rn_b < 0) {
343: if (rnode.rn_mask) {
344: printf("\t mask ");
345: p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_mask),
1.21 peter 346: 0, 0, -1);
1.1 deraadt 347: } else if (rm == 0)
348: return;
349: } else {
1.23 deraadt 350: snprintf(nbuf, sizeof nbuf, "(%d)", rnode.rn_b);
1.14 millert 351: printf("%6.6s %16p : %16p", nbuf, rnode.rn_l,
352: rnode.rn_r);
1.1 deraadt 353: }
1.49 deraadt 354:
355: putchar(' ');
356: p_rtflags(rnode.rn_flags);
357:
1.1 deraadt 358: while (rm) {
359: kget(rm, rmask);
1.23 deraadt 360: snprintf(nbuf, sizeof nbuf, " %d refs, ", rmask.rm_refs);
1.14 millert 361: printf(" mk = %16p {(%d),%s",
1.46 deraadt 362: rm, -1 - rmask.rm_b, rmask.rm_refs ? nbuf : " ");
1.49 deraadt 363: p_rtflags(rmask.rm_flags);
364: printf(", ");
365: if (rmask.rm_flags & RNF_NORMAL) {
366: struct radix_node rnode_aux;
367:
368: printf("leaf = %p ", rmask.rm_leaf);
369: kget(rmask.rm_leaf, rnode_aux);
370: p_sockaddr(kgetsa((struct sockaddr *)rnode_aux.rn_mask),
371: 0, 0, -1);
372: } else
373: p_sockaddr(kgetsa((struct sockaddr *)rmask.rm_mask),
374: 0, 0, -1);
1.1 deraadt 375: putchar('}');
1.13 millert 376: if ((rm = rmask.rm_mklist))
1.1 deraadt 377: printf(" ->");
378: }
379: putchar('\n');
380: }
381:
382: static void
1.50 deraadt 383: ntreestuff(void)
1.1 deraadt 384: {
385: size_t needed;
386: int mib[6];
387: char *buf, *next, *lim;
1.43 mpech 388: struct rt_msghdr *rtm;
1.1 deraadt 389:
1.10 deraadt 390: mib[0] = CTL_NET;
391: mib[1] = PF_ROUTE;
392: mib[2] = 0;
393: mib[3] = 0;
394: mib[4] = NET_RT_DUMP;
395: mib[5] = 0;
396: if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) {
397: perror("route-sysctl-estimate");
398: exit(1);
399: }
400: if ((buf = malloc(needed)) == 0) {
401: printf("out of space\n");
402: exit(1);
403: }
1.44 mickey 404: if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) {
1.10 deraadt 405: perror("sysctl of routing table");
406: exit(1);
407: }
408: lim = buf + needed;
1.1 deraadt 409: for (next = buf; next < lim; next += rtm->rtm_msglen) {
410: rtm = (struct rt_msghdr *)next;
411: np_rtentry(rtm);
412: }
413: }
414:
415: static void
1.50 deraadt 416: np_rtentry(struct rt_msghdr *rtm)
1.1 deraadt 417: {
1.43 mpech 418: struct sockaddr *sa = (struct sockaddr *)(rtm + 1);
1.1 deraadt 419: #ifdef notdef
420: static int masks_done, banner_printed;
421: #endif
422: static int old_af;
423: int af = 0, interesting = RTF_UP | RTF_GATEWAY | RTF_HOST;
424:
425: #ifdef notdef
426: /* for the moment, netmasks are skipped over */
427: if (!banner_printed) {
428: printf("Netmasks:\n");
429: banner_printed = 1;
430: }
431: if (masks_done == 0) {
432: if (rtm->rtm_addrs != RTA_DST ) {
433: masks_done = 1;
434: af = sa->sa_family;
435: }
436: } else
437: #endif
438: af = sa->sa_family;
439: if (af != old_af) {
440: pr_family(af);
441: old_af = af;
442: }
443: if (rtm->rtm_addrs == RTA_DST)
1.21 peter 444: p_sockaddr(sa, 0, 0, 36);
1.1 deraadt 445: else {
1.21 peter 446: p_sockaddr(sa, 0, rtm->rtm_flags, 16);
1.29 deraadt 447: sa = (struct sockaddr *)(ROUNDUP(sa->sa_len) + (char *)sa);
1.21 peter 448: p_sockaddr(sa, 0, 0, 18);
1.1 deraadt 449: }
450: p_flags(rtm->rtm_flags & interesting, "%-6.6s ");
451: putchar('\n');
452: }
453:
454: static void
1.50 deraadt 455: p_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags, int width)
1.1 deraadt 456: {
457: char workbuf[128], *cplim;
1.43 mpech 458: char *cp = workbuf;
1.25 millert 459: size_t n;
1.1 deraadt 460:
1.36 itojun 461: switch (sa->sa_family) {
1.1 deraadt 462: case AF_INET:
463: {
1.43 mpech 464: struct sockaddr_in *sin = (struct sockaddr_in *)sa;
465: struct sockaddr_in *msin = (struct sockaddr_in *)mask;
1.1 deraadt 466:
467: cp = (sin->sin_addr.s_addr == 0) ? "default" :
1.46 deraadt 468: ((flags & RTF_HOST) || mask == NULL ?
469: routename(sin->sin_addr.s_addr) :
470: netname(sin->sin_addr.s_addr, msin->sin_addr.s_addr));
1.21 peter 471:
1.1 deraadt 472: break;
473: }
474:
1.30 itojun 475: #ifdef INET6
476: case AF_INET6:
477: {
478: struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)sa;
1.52 itojun 479: #ifdef __KAME__
1.30 itojun 480: struct in6_addr *in6 = &sa6->sin6_addr;
481:
482: /*
483: * XXX: This is a special workaround for KAME kernels.
484: * sin6_scope_id field of SA should be set in the future.
485: */
486: if (IN6_IS_ADDR_LINKLOCAL(in6) ||
487: IN6_IS_ADDR_MC_LINKLOCAL(in6)) {
1.46 deraadt 488: /* XXX: override is ok? */
489: sa6->sin6_scope_id = (u_int32_t)ntohs(*(u_short *)
490: &in6->s6_addr[2]);
491: *(u_short *)&in6->s6_addr[2] = 0;
1.30 itojun 492: }
493: #endif
494: if (flags & RTF_HOST)
495: cp = routename6(sa6);
496: else if (mask) {
497: cp = netname6(sa6,
1.46 deraadt 498: &((struct sockaddr_in6 *)mask)->sin6_addr);
1.30 itojun 499: } else
500: cp = netname6(sa6, NULL);
501: break;
502: }
1.44 mickey 503: #endif
1.30 itojun 504:
1.1 deraadt 505: case AF_NS:
506: cp = ns_print(sa);
507: break;
508:
1.5 mickey 509: case AF_IPX:
510: cp = ipx_print(sa);
511: break;
1.44 mickey 512:
1.1 deraadt 513: case AF_LINK:
514: {
1.43 mpech 515: struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa;
1.1 deraadt 516:
517: if (sdl->sdl_nlen == 0 && sdl->sdl_alen == 0 &&
518: sdl->sdl_slen == 0)
1.23 deraadt 519: (void) snprintf(workbuf, sizeof workbuf,
520: "link#%d", sdl->sdl_index);
1.1 deraadt 521: else switch (sdl->sdl_type) {
522: case IFT_ETHER:
523: {
1.43 mpech 524: int i;
525: u_char *lla = (u_char *)sdl->sdl_data +
1.1 deraadt 526: sdl->sdl_nlen;
527:
528: cplim = "";
529: for (i = 0; i < sdl->sdl_alen; i++, lla++) {
1.25 millert 530: n = snprintf(cp,
1.4 deraadt 531: workbuf + sizeof (workbuf) - cp,
532: "%s%x", cplim, *lla);
1.41 brian 533: cplim = ":";
1.47 deraadt 534: if (n < 0) /* What else to do ? */
1.46 deraadt 535: continue;
1.25 millert 536: if (n >= workbuf + sizeof (workbuf) - cp)
537: n = workbuf + sizeof (workbuf) - cp - 1;
538: cp += n;
1.1 deraadt 539: }
540: cp = workbuf;
541: break;
542: }
543: default:
544: cp = link_ntoa(sdl);
545: break;
546: }
547: break;
548: }
549:
1.18 denny 550: case AF_APPLETALK:
551: {
552: /* XXX could do better */
553: cp = atalk_print(sa,11);
554: break;
555: }
1.1 deraadt 556: default:
557: {
1.43 mpech 558: u_char *s = (u_char *)sa->sa_data, *slim;
1.1 deraadt 559:
1.10 deraadt 560: slim = sa->sa_len + (u_char *) sa;
1.1 deraadt 561: cplim = cp + sizeof(workbuf) - 6;
1.47 deraadt 562: if ((n = snprintf(cp, cplim - cp, "(%d)", sa->sa_family)) >=
563: cplim - cp)
1.25 millert 564: n = cplim - cp - 1;
1.41 brian 565: if (n > 0)
566: cp += n;
1.1 deraadt 567: while (s < slim && cp < cplim) {
1.47 deraadt 568: if ((n = snprintf(cp, workbuf + sizeof (workbuf) - cp,
569: " %02x", *s++)) >= workbuf + sizeof (workbuf) - cp)
1.25 millert 570: n = workbuf + sizeof (workbuf) - cp - 1;
1.41 brian 571: if (n > 0)
572: cp += n;
1.25 millert 573: if (s < slim) {
1.47 deraadt 574: if ((n = snprintf(cp,
1.4 deraadt 575: workbuf + sizeof (workbuf) - cp,
1.47 deraadt 576: "%02x", *s++)) >=
577: workbuf + sizeof (workbuf) - cp)
1.25 millert 578: n = workbuf + sizeof (workbuf) - cp - 1;
1.41 brian 579: if (n > 0)
580: cp += n;
1.25 millert 581: }
1.1 deraadt 582: }
583: cp = workbuf;
584: }
585: }
586: if (width < 0 )
587: printf("%s ", cp);
588: else {
589: if (nflag)
590: printf("%-*s ", width, cp);
591: else
592: printf("%-*.*s ", width, width, cp);
593: }
594: }
595:
596: static void
1.50 deraadt 597: p_flags(int f, char *format)
1.1 deraadt 598: {
599: char name[33], *flags;
1.43 mpech 600: struct bits *p = bits;
1.1 deraadt 601:
602: for (flags = name; p->b_mask; p++)
603: if (p->b_mask & f)
604: *flags++ = p->b_val;
605: *flags = '\0';
606: printf(format, name);
607: }
608:
609: static void
1.50 deraadt 610: p_rtentry(struct rtentry *rt)
1.1 deraadt 611: {
612: static struct ifnet ifnet, *lastif;
1.30 itojun 613: struct sockaddr_storage sock1, sock2;
614: struct sockaddr *sa = (struct sockaddr *)&sock1;
615: struct sockaddr *mask = (struct sockaddr *)&sock2;
1.46 deraadt 616:
1.21 peter 617: bcopy(kgetsa(rt_key(rt)), sa, sizeof(struct sockaddr));
1.30 itojun 618: if (sa->sa_len > sizeof(struct sockaddr))
619: bcopy(kgetsa(rt_key(rt)), sa, sa->sa_len);
1.21 peter 620:
1.26 angelos 621: if (sa->sa_family == PF_KEY) {
1.10 deraadt 622: encap_print(rt);
623: return;
1.9 angelos 624: }
1.21 peter 625:
1.30 itojun 626: if (rt_mask(rt)) {
1.21 peter 627: bcopy(kgetsa(rt_mask(rt)), mask, sizeof(struct sockaddr));
1.30 itojun 628: if (sa->sa_len > sizeof(struct sockaddr))
629: bcopy(kgetsa(rt_mask(rt)), mask, sa->sa_len);
630: } else
1.21 peter 631: mask = 0;
1.46 deraadt 632:
1.30 itojun 633: p_sockaddr(sa, mask, rt->rt_flags, WID_DST(sa->sa_family));
634: p_sockaddr(kgetsa(rt->rt_gateway), 0, RTF_HOST, WID_GW(sa->sa_family));
1.1 deraadt 635: p_flags(rt->rt_flags, "%-6.6s ");
1.13 millert 636: printf("%6d %8ld ", rt->rt_refcnt, rt->rt_use);
1.1 deraadt 637: if (rt->rt_rmx.rmx_mtu)
1.13 millert 638: printf("%6ld ", rt->rt_rmx.rmx_mtu);
1.1 deraadt 639: else
640: printf("%6s ", "-");
1.39 provos 641: putchar((rt->rt_rmx.rmx_locks & RTV_MTU) ? 'L' : ' ');
1.1 deraadt 642: if (rt->rt_ifp) {
643: if (rt->rt_ifp != lastif) {
644: kget(rt->rt_ifp, ifnet);
645: lastif = rt->rt_ifp;
646: }
1.2 deraadt 647: printf(" %.16s%s", ifnet.if_xname,
1.50 deraadt 648: rt->rt_nodes[0].rn_dupedkey ? " =>" : "");
1.1 deraadt 649: }
650: putchar('\n');
1.44 mickey 651: if (vflag) {
652: printf("\texpire %10lu%c recvpipe %10ld%c "
1.46 deraadt 653: "sendpipe %10ld%c\n",
654: rt->rt_rmx.rmx_expire,
655: (rt->rt_rmx.rmx_locks & RTV_EXPIRE) ? 'L' : ' ',
656: rt->rt_rmx.rmx_recvpipe,
657: (rt->rt_rmx.rmx_locks & RTV_RPIPE) ? 'L' : ' ',
658: rt->rt_rmx.rmx_sendpipe,
659: (rt->rt_rmx.rmx_locks & RTV_SPIPE) ? 'L' : ' ');
1.44 mickey 660: printf("\tssthresh %10lu%c rtt %10ld%c "
1.46 deraadt 661: "rttvar %10ld%c\n",
662: rt->rt_rmx.rmx_ssthresh,
663: (rt->rt_rmx.rmx_locks & RTV_SSTHRESH) ? 'L' : ' ',
664: rt->rt_rmx.rmx_rtt,
665: (rt->rt_rmx.rmx_locks & RTV_RTT) ? 'L' : ' ',
666: rt->rt_rmx.rmx_rttvar,
667: (rt->rt_rmx.rmx_locks & RTV_RTTVAR) ? 'L' : ' ');
668: }
1.1 deraadt 669: }
670:
671: char *
1.50 deraadt 672: routename(in_addr_t in)
1.1 deraadt 673: {
1.43 mpech 674: char *cp;
1.24 deraadt 675: static char line[MAXHOSTNAMELEN];
1.1 deraadt 676: struct hostent *hp;
1.24 deraadt 677: static char domain[MAXHOSTNAMELEN];
1.1 deraadt 678: static int first = 1;
679:
680: if (first) {
681: first = 0;
1.24 deraadt 682: if (gethostname(domain, sizeof domain) == 0 &&
1.7 millert 683: (cp = strchr(domain, '.')))
1.46 deraadt 684: (void) strlcpy(domain, cp + 1, sizeof domain);
1.1 deraadt 685: else
1.46 deraadt 686: domain[0] = '\0';
1.1 deraadt 687: }
688: cp = 0;
689: if (!nflag) {
690: hp = gethostbyaddr((char *)&in, sizeof (struct in_addr),
1.46 deraadt 691: AF_INET);
1.1 deraadt 692: if (hp) {
1.7 millert 693: if ((cp = strchr(hp->h_name, '.')) &&
1.1 deraadt 694: !strcmp(cp + 1, domain))
695: *cp = 0;
696: cp = hp->h_name;
697: }
698: }
1.22 deraadt 699: if (cp) {
1.46 deraadt 700: strlcpy(line, cp, sizeof(line));
1.22 deraadt 701: } else {
1.1 deraadt 702: #define C(x) ((x) & 0xff)
703: in = ntohl(in);
1.23 deraadt 704: snprintf(line, sizeof line, "%u.%u.%u.%u",
1.1 deraadt 705: C(in >> 24), C(in >> 16), C(in >> 8), C(in));
706: }
707: return (line);
708: }
709:
710: /*
711: * Return the name of the network whose address is given.
712: * The address is assumed to be that of a net or subnet, not a host.
713: */
714: char *
1.50 deraadt 715: netname(in_addr_t in, in_addr_t mask)
1.1 deraadt 716: {
717: char *cp = 0;
1.24 deraadt 718: static char line[MAXHOSTNAMELEN];
1.1 deraadt 719: struct netent *np = 0;
1.21 peter 720: int mbits;
1.1 deraadt 721:
722: in = ntohl(in);
723: mask = ntohl(mask);
724: if (!nflag && in != INADDR_ANY) {
1.30 itojun 725: if ((np = getnetbyaddr(in, AF_INET)) != NULL)
1.1 deraadt 726: cp = np->n_name;
727: }
1.21 peter 728: mbits = mask ? 33 - ffs(mask) : 0;
1.22 deraadt 729: if (cp) {
1.46 deraadt 730: strlcpy(line, cp, sizeof(line));
1.27 deraadt 731: } else if (mbits < 9)
1.23 deraadt 732: snprintf(line, sizeof line, "%u/%d", C(in >> 24), mbits);
1.27 deraadt 733: else if (mbits < 17)
1.23 deraadt 734: snprintf(line, sizeof line, "%u.%u/%d",
735: C(in >> 24) , C(in >> 16), mbits);
1.27 deraadt 736: else if (mbits < 25)
1.23 deraadt 737: snprintf(line, sizeof line, "%u.%u.%u/%d",
738: C(in >> 24), C(in >> 16), C(in >> 8), mbits);
1.1 deraadt 739: else
1.23 deraadt 740: snprintf(line, sizeof line, "%u.%u.%u.%u/%d", C(in >> 24),
1.46 deraadt 741: C(in >> 16), C(in >> 8), C(in), mbits);
1.1 deraadt 742: return (line);
743: }
744:
1.30 itojun 745: #ifdef INET6
746: char *
1.50 deraadt 747: netname6(struct sockaddr_in6 *sa6, struct in6_addr *mask)
1.30 itojun 748: {
749: static char line[MAXHOSTNAMELEN + 1];
1.35 itojun 750: struct sockaddr_in6 sin6;
1.30 itojun 751: u_char *p;
752: u_char *lim;
753: int masklen, final = 0, illegal = 0;
754: int i;
755: char hbuf[NI_MAXHOST];
756: #ifdef NI_WITHSCOPEID
757: int flag = NI_WITHSCOPEID;
758: #else
759: int flag = 0;
760: #endif
1.37 itojun 761: int error;
1.30 itojun 762:
1.35 itojun 763: sin6 = *sa6;
1.46 deraadt 764:
1.30 itojun 765: masklen = 0;
1.35 itojun 766: lim = (u_char *)(mask + 1);
767: i = 0;
1.36 itojun 768: if (mask) {
769: for (p = (u_char *)mask; p < lim; p++) {
770: if (final && *p) {
771: illegal++;
772: sin6.sin6_addr.s6_addr[i++] = 0x00;
773: continue;
774: }
775:
776: switch (*p & 0xff) {
777: case 0xff:
778: masklen += 8;
779: break;
780: case 0xfe:
781: masklen += 7;
782: final++;
783: break;
784: case 0xfc:
785: masklen += 6;
786: final++;
787: break;
788: case 0xf8:
789: masklen += 5;
790: final++;
791: break;
792: case 0xf0:
793: masklen += 4;
794: final++;
795: break;
796: case 0xe0:
797: masklen += 3;
798: final++;
799: break;
800: case 0xc0:
801: masklen += 2;
802: final++;
803: break;
804: case 0x80:
805: masklen += 1;
806: final++;
807: break;
808: case 0x00:
809: final++;
810: break;
811: default:
812: final++;
813: illegal++;
814: break;
815: }
1.30 itojun 816:
1.36 itojun 817: if (!illegal)
818: sin6.sin6_addr.s6_addr[i++] &= *p;
819: else
820: sin6.sin6_addr.s6_addr[i++] = 0x00;
1.30 itojun 821: }
1.36 itojun 822: } else
823: masklen = 128;
1.30 itojun 824:
1.35 itojun 825: if (masklen == 0 && IN6_IS_ADDR_UNSPECIFIED(&sin6.sin6_addr))
1.30 itojun 826: return("default");
827:
828: if (illegal)
829: fprintf(stderr, "illegal prefixlen\n");
830:
831: if (nflag)
832: flag |= NI_NUMERICHOST;
1.37 itojun 833: error = getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len,
834: hbuf, sizeof(hbuf), NULL, 0, flag);
835: if (error)
836: snprintf(hbuf, sizeof(hbuf), "invalid");
837:
1.30 itojun 838: snprintf(line, sizeof(line), "%s/%d", hbuf, masklen);
839: return line;
840: }
841:
842: char *
1.50 deraadt 843: routename6(struct sockaddr_in6 *sa6)
1.30 itojun 844: {
845: static char line[NI_MAXHOST];
846: #ifdef NI_WITHSCOPEID
847: const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID;
848: #else
849: const int niflag = NI_NUMERICHOST;
850: #endif
851: if (getnameinfo((struct sockaddr *)sa6, sa6->sin6_len,
1.46 deraadt 852: line, sizeof(line), NULL, 0, niflag) != 0)
853: strlcpy(line, "", sizeof line);
1.30 itojun 854: return line;
855: }
856: #endif /*INET6*/
857:
1.1 deraadt 858: /*
859: * Print routing statistics
860: */
861: void
1.50 deraadt 862: rt_stats(u_long off)
1.1 deraadt 863: {
864: struct rtstat rtstat;
865:
866: if (off == 0) {
867: printf("rtstat: symbol not in namelist\n");
868: return;
869: }
870: kread(off, (char *)&rtstat, sizeof (rtstat));
871: printf("routing:\n");
872: printf("\t%u bad routing redirect%s\n",
1.46 deraadt 873: rtstat.rts_badredirect, plural(rtstat.rts_badredirect));
1.1 deraadt 874: printf("\t%u dynamically created route%s\n",
1.46 deraadt 875: rtstat.rts_dynamic, plural(rtstat.rts_dynamic));
1.1 deraadt 876: printf("\t%u new gateway%s due to redirects\n",
1.46 deraadt 877: rtstat.rts_newgateway, plural(rtstat.rts_newgateway));
1.1 deraadt 878: printf("\t%u destination%s found unreachable\n",
1.46 deraadt 879: rtstat.rts_unreach, plural(rtstat.rts_unreach));
1.1 deraadt 880: printf("\t%u use%s of a wildcard route\n",
1.46 deraadt 881: rtstat.rts_wildcard, plural(rtstat.rts_wildcard));
1.1 deraadt 882: }
1.5 mickey 883:
1.1 deraadt 884: short ns_nullh[] = {0,0,0};
885: short ns_bh[] = {-1,-1,-1};
886:
887: char *
1.50 deraadt 888: ns_print(struct sockaddr *sa)
1.1 deraadt 889: {
1.43 mpech 890: struct sockaddr_ns *sns = (struct sockaddr_ns*)sa;
1.1 deraadt 891: struct ns_addr work;
892: union { union ns_net net_e; u_long long_e; } net;
1.13 millert 893: in_port_t port;
1.1 deraadt 894: static char mybuf[50], cport[10], chost[25];
895: char *host = "";
1.43 mpech 896: char *p;
897: u_char *q;
1.1 deraadt 898:
899: work = sns->sns_addr;
900: port = ntohs(work.x_port);
901: work.x_port = 0;
1.10 deraadt 902: net.net_e = work.x_net;
1.1 deraadt 903: if (ns_nullhost(work) && net.long_e == 0) {
904: if (port ) {
1.23 deraadt 905: snprintf(mybuf, sizeof mybuf, "*.%xH", port);
1.1 deraadt 906: upHex(mybuf);
907: } else
1.23 deraadt 908: snprintf(mybuf, sizeof mybuf, "*.*");
1.1 deraadt 909: return (mybuf);
910: }
911:
912: if (bcmp(ns_bh, work.x_host.c_host, 6) == 0) {
913: host = "any";
914: } else if (bcmp(ns_nullh, work.x_host.c_host, 6) == 0) {
915: host = "*";
916: } else {
917: q = work.x_host.c_host;
1.23 deraadt 918: snprintf(chost, sizeof chost, "%02x%02x%02x%02x%02x%02xH",
1.46 deraadt 919: q[0], q[1], q[2], q[3], q[4], q[5]);
1.1 deraadt 920: for (p = chost; *p == '0' && p < chost + 12; p++)
921: continue;
922: host = p;
923: }
924: if (port)
1.23 deraadt 925: snprintf(cport, sizeof cport, ".%xH", htons(port));
1.1 deraadt 926: else
927: *cport = 0;
928:
1.23 deraadt 929: snprintf(mybuf, sizeof mybuf, "%xH.%s%s", ntohl(net.long_e),
930: host, cport);
1.1 deraadt 931: upHex(mybuf);
932: return(mybuf);
933: }
934:
935: char *
1.50 deraadt 936: ns_phost(struct sockaddr *sa)
1.1 deraadt 937: {
1.43 mpech 938: struct sockaddr_ns *sns = (struct sockaddr_ns *)sa;
1.1 deraadt 939: struct sockaddr_ns work;
940: static union ns_net ns_zeronet;
941: char *p;
942:
943: work = *sns;
944: work.sns_addr.x_port = 0;
945: work.sns_addr.x_net = ns_zeronet;
946:
947: p = ns_print((struct sockaddr *)&work);
1.46 deraadt 948: if (strncmp("0H.", p, 3) == 0)
949: p += 3;
1.5 mickey 950: return(p);
951: }
952:
953: u_short ipx_nullh[] = {0,0,0};
954: u_short ipx_bh[] = {0xffff,0xffff,0xffff};
955:
956: char *
1.50 deraadt 957: ipx_print(struct sockaddr *sa)
1.5 mickey 958: {
1.43 mpech 959: struct sockaddr_ipx *sipx = (struct sockaddr_ipx*)sa;
1.5 mickey 960: struct ipx_addr work;
961: union { union ipx_net net_e; u_long long_e; } net;
1.13 millert 962: in_port_t port;
1.5 mickey 963: static char mybuf[50], cport[10], chost[25];
964: char *host = "";
1.43 mpech 965: char *q;
1.5 mickey 966:
967: work = sipx->sipx_addr;
968: port = ntohs(work.ipx_port);
969: work.ipx_port = 0;
1.10 deraadt 970: net.net_e = work.ipx_net;
1.5 mickey 971: if (ipx_nullhost(work) && net.long_e == 0) {
972: if (port != 0) {
1.23 deraadt 973: snprintf(mybuf, sizeof mybuf, "*.%xH", port);
1.5 mickey 974: upHex(mybuf);
975: } else
1.23 deraadt 976: snprintf(mybuf, sizeof mybuf, "*.*");
1.5 mickey 977: return (mybuf);
978: }
979:
980: if (bcmp(ipx_bh, work.ipx_host.c_host, 6) == 0) {
981: host = "any";
982: } else if (bcmp(ipx_nullh, work.ipx_host.c_host, 6) == 0) {
983: host = "*";
984: } else {
985: q = work.ipx_host.c_host;
1.23 deraadt 986: snprintf(chost, sizeof chost, "%02x:%02x:%02x:%02x:%02x:%02x",
987: q[0], q[1], q[2], q[3], q[4], q[5]);
1.5 mickey 988: host = chost;
989: }
990: if (port)
1.23 deraadt 991: snprintf(cport, sizeof cport, ".%xH", htons(port));
1.5 mickey 992: else
993: *cport = 0;
994:
1.23 deraadt 995: snprintf(mybuf, sizeof mybuf, "%xH.%s%s", ntohl(net.long_e),
996: host, cport);
1.5 mickey 997: upHex(mybuf);
998: return(mybuf);
999: }
1000:
1001: char *
1.50 deraadt 1002: ipx_phost(struct sockaddr *sa)
1.5 mickey 1003: {
1.43 mpech 1004: struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)sa;
1.5 mickey 1005: struct sockaddr_ipx work;
1006: static union ipx_net ipx_zeronet;
1007: char *p;
1008:
1009: work = *sipx;
1010: work.sipx_addr.ipx_port = 0;
1011: work.sipx_addr.ipx_net = ipx_zeronet;
1012:
1013: p = ipx_print((struct sockaddr *)&work);
1.46 deraadt 1014: if (strncmp("0H.", p, 3) == 0)
1015: p += 3;
1.1 deraadt 1016: return(p);
1.9 angelos 1017: }
1018:
1019: static void
1.50 deraadt 1020: encap_print(struct rtentry *rt)
1.9 angelos 1021: {
1.10 deraadt 1022: struct sockaddr_encap sen1, sen2, sen3;
1.44 mickey 1023: struct ipsec_policy ipo;
1.38 angelos 1024:
1.31 angelos 1025: #ifdef INET6
1026: struct sockaddr_in6 s61, s62;
1027: #endif /* INET6 */
1.9 angelos 1028:
1029: bcopy(kgetsa(rt_key(rt)), &sen1, sizeof(sen1));
1030: bcopy(kgetsa(rt_mask(rt)), &sen2, sizeof(sen2));
1031: bcopy(kgetsa(rt->rt_gateway), &sen3, sizeof(sen3));
1032:
1.46 deraadt 1033: if (sen1.sen_type == SENT_IP4) {
1034: printf("%-18s %-5u ", netname(sen1.sen_ip_src.s_addr,
1035: sen2.sen_ip_src.s_addr), ntohs(sen1.sen_sport));
1036: printf("%-18s %-5u %-5u ", netname(sen1.sen_ip_dst.s_addr,
1037: sen2.sen_ip_dst.s_addr),
1038: ntohs(sen1.sen_dport), sen1.sen_proto);
1.31 angelos 1039: }
1040:
1041: #ifdef INET6
1.46 deraadt 1042: if (sen1.sen_type == SENT_IP6) {
1043: bzero(&s61, sizeof(s61));
1044: bzero(&s62, sizeof(s62));
1045: s61.sin6_family = s62.sin6_family = AF_INET6;
1046: s61.sin6_len = s62.sin6_len = sizeof(s61);
1047: bcopy(&sen1.sen_ip6_src, &s61.sin6_addr, sizeof(struct in6_addr));
1048: bcopy(&sen2.sen_ip6_src, &s62.sin6_addr, sizeof(struct in6_addr));
1049:
1050: printf("%-42s %-5u ", netname6(&s61, &s62.sin6_addr),
1051: ntohs(sen1.sen_ip6_sport));
1052:
1053: bzero(&s61, sizeof(s61));
1054: bzero(&s62, sizeof(s62));
1055: s61.sin6_family = s62.sin6_family = AF_INET6;
1056: s61.sin6_len = s62.sin6_len = sizeof(s61);
1057: bcopy(&sen1.sen_ip6_dst, &s61.sin6_addr, sizeof(struct in6_addr));
1058: bcopy(&sen2.sen_ip6_dst, &s62.sin6_addr, sizeof(struct in6_addr));
1.31 angelos 1059:
1.46 deraadt 1060: printf("%-42s %-5u %-5u ", netname6(&s61, &s62.sin6_addr),
1061: ntohs(sen1.sen_ip6_dport), sen1.sen_ip6_proto);
1.31 angelos 1062: }
1063: #endif /* INET6 */
1064:
1.46 deraadt 1065: if (sen3.sen_type == SENT_IPSP) {
1066: char hostn[NI_MAXHOST];
1.31 angelos 1067:
1.46 deraadt 1068: kget(sen3.sen_ipsp, ipo);
1.38 angelos 1069:
1.48 ho 1070: if (getnameinfo(&ipo.ipo_dst.sa, ipo.ipo_dst.sa.sa_len,
1071: hostn, NI_MAXHOST, NULL, 0, NI_NUMERICHOST) != 0)
1072: strlcpy (hostn, "none", NI_MAXHOST);
1073:
1.46 deraadt 1074: printf("%s", hostn);
1075: printf("/%-u", ipo.ipo_sproto);
1.44 mickey 1076:
1.46 deraadt 1077: switch (ipo.ipo_type) {
1.44 mickey 1078: case IPSP_IPSEC_REQUIRE:
1.46 deraadt 1079: printf("/require");
1080: break;
1.44 mickey 1081: case IPSP_IPSEC_ACQUIRE:
1.46 deraadt 1082: printf("/acquire");
1083: break;
1.44 mickey 1084: case IPSP_IPSEC_USE:
1.46 deraadt 1085: printf("/use");
1086: break;
1.44 mickey 1087: case IPSP_IPSEC_DONTACQ:
1.46 deraadt 1088: printf("/dontacq");
1089: break;
1.44 mickey 1090: case IPSP_PERMIT:
1.46 deraadt 1091: printf("/permit");
1092: break;
1.44 mickey 1093: case IPSP_DENY:
1.46 deraadt 1094: printf("/deny");
1095: break;
1.44 mickey 1096: default:
1.46 deraadt 1097: printf("/<unknown type!>");
1098: break;
1099: }
1.44 mickey 1100:
1.46 deraadt 1101: if ((ipo.ipo_addr.sen_type == SENT_IP4 &&
1102: ipo.ipo_addr.sen_direction == IPSP_DIRECTION_IN) ||
1103: (ipo.ipo_addr.sen_type == SENT_IP6 &&
1104: ipo.ipo_addr.sen_ip6_direction == IPSP_DIRECTION_IN))
1105: printf("/in\n");
1106: else if ((ipo.ipo_addr.sen_type == SENT_IP4 &&
1107: ipo.ipo_addr.sen_direction == IPSP_DIRECTION_OUT) ||
1108: (ipo.ipo_addr.sen_type == SENT_IP6 &&
1109: ipo.ipo_addr.sen_ip6_direction == IPSP_DIRECTION_OUT))
1110: printf("/out\n");
1111: else
1112: printf("/<unknown>\n");
1.44 mickey 1113: }
1.1 deraadt 1114: }
1115:
1116: void
1.50 deraadt 1117: upHex(char *p0)
1.1 deraadt 1118: {
1.43 mpech 1119: char *p = p0;
1.1 deraadt 1120:
1.46 deraadt 1121: for (; *p; p++)
1122: switch (*p) {
1123: case 'a':
1124: case 'b':
1125: case 'c':
1126: case 'd':
1127: case 'e':
1128: case 'f':
1129: *p += ('A' - 'a');
1130: break;
1.1 deraadt 1131: }
1132: }
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