17b6ab19dSGarrett Wollman /*- 27b6ab19dSGarrett Wollman * Copyright (c) 1982, 1986, 1993 37b6ab19dSGarrett Wollman * The Regents of the University of California. All rights reserved. 47b6ab19dSGarrett Wollman * 57b6ab19dSGarrett Wollman * Redistribution and use in source and binary forms, with or without 67b6ab19dSGarrett Wollman * modification, are permitted provided that the following conditions 77b6ab19dSGarrett Wollman * are met: 87b6ab19dSGarrett Wollman * 1. Redistributions of source code must retain the above copyright 97b6ab19dSGarrett Wollman * notice, this list of conditions and the following disclaimer. 107b6ab19dSGarrett Wollman * 2. Redistributions in binary form must reproduce the above copyright 117b6ab19dSGarrett Wollman * notice, this list of conditions and the following disclaimer in the 127b6ab19dSGarrett Wollman * documentation and/or other materials provided with the distribution. 137b6ab19dSGarrett Wollman * 3. All advertising materials mentioning features or use of this software 142c7a9781SMark Murray * must display the following acknowledgment: 157b6ab19dSGarrett Wollman * This product includes software developed by the University of 167b6ab19dSGarrett Wollman * California, Berkeley and its contributors. 177b6ab19dSGarrett Wollman * 4. Neither the name of the University nor the names of its contributors 187b6ab19dSGarrett Wollman * may be used to endorse or promote products derived from this software 197b6ab19dSGarrett Wollman * without specific prior written permission. 207b6ab19dSGarrett Wollman * 217b6ab19dSGarrett Wollman * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 227b6ab19dSGarrett Wollman * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 237b6ab19dSGarrett Wollman * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 247b6ab19dSGarrett Wollman * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 257b6ab19dSGarrett Wollman * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 267b6ab19dSGarrett Wollman * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 277b6ab19dSGarrett Wollman * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 287b6ab19dSGarrett Wollman * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 297b6ab19dSGarrett Wollman * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 307b6ab19dSGarrett Wollman * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 317b6ab19dSGarrett Wollman * SUCH DAMAGE. 32c90fe7dcSMark Murray * 337f3dea24SPeter Wemm * $FreeBSD$ 347b6ab19dSGarrett Wollman */ 357b6ab19dSGarrett Wollman 367b6ab19dSGarrett Wollman char copyright[] = 377b6ab19dSGarrett Wollman "@(#) Copyright (c) 1982, 1986, 1993\n\ 387b6ab19dSGarrett Wollman The Regents of the University of California. All rights reserved.\n"; 397b6ab19dSGarrett Wollman 402c7a9781SMark Murray #include <sys/cdefs.h> 417b6ab19dSGarrett Wollman #include <sys/param.h> 427b6ab19dSGarrett Wollman #include <sys/protosw.h> 437b6ab19dSGarrett Wollman #include <sys/socket.h> 447b6ab19dSGarrett Wollman #include <sys/time.h> 457b6ab19dSGarrett Wollman #include <netinet/in.h> 467b6ab19dSGarrett Wollman #define RIPVERSION RIPv2 477b6ab19dSGarrett Wollman #include <protocols/routed.h> 487b6ab19dSGarrett Wollman #include <arpa/inet.h> 4969036300SPhilippe Charnier #include <netdb.h> 507b6ab19dSGarrett Wollman #include <errno.h> 517b6ab19dSGarrett Wollman #include <unistd.h> 527b6ab19dSGarrett Wollman #include <stdio.h> 537b6ab19dSGarrett Wollman #include <stdlib.h> 547b6ab19dSGarrett Wollman #include <string.h> 557b6ab19dSGarrett Wollman #ifdef sgi 567b6ab19dSGarrett Wollman #include <strings.h> 577b6ab19dSGarrett Wollman #include <bstring.h> 587b6ab19dSGarrett Wollman #endif 597b6ab19dSGarrett Wollman 602c7a9781SMark Murray #if !defined(sgi) && !defined(__NetBSD__) 612c7a9781SMark Murray static char sccsid[] __attribute__((unused))= "@(#)query.c 8.1 (Berkeley) 6/5/93"; 622c7a9781SMark Murray #elif defined(__NetBSD__) 632c7a9781SMark Murray __RCSID("$NetBSD: rtquery.c,v 1.10 1999/02/23 10:47:41 christos Exp $"); 642c7a9781SMark Murray #endif 657f3dea24SPeter Wemm #ident "$Revision: 1.12 $" 662c7a9781SMark Murray 677b6ab19dSGarrett Wollman #ifndef sgi 687b6ab19dSGarrett Wollman #define _HAVE_SIN_LEN 697b6ab19dSGarrett Wollman #endif 707b6ab19dSGarrett Wollman 71d5b718b3SGarrett Wollman #define MD5_DIGEST_LEN 16 72d5b718b3SGarrett Wollman typedef struct { 73d5b718b3SGarrett Wollman u_int32_t state[4]; /* state (ABCD) */ 74d5b718b3SGarrett Wollman u_int32_t count[2]; /* # of bits, modulo 2^64 (LSB 1st) */ 75d5b718b3SGarrett Wollman unsigned char buffer[64]; /* input buffer */ 76d5b718b3SGarrett Wollman } MD5_CTX; 77d5b718b3SGarrett Wollman extern void MD5Init(MD5_CTX*); 78d5b718b3SGarrett Wollman extern void MD5Update(MD5_CTX*, u_char*, u_int); 79d5b718b3SGarrett Wollman extern void MD5Final(u_char[MD5_DIGEST_LEN], MD5_CTX*); 80d5b718b3SGarrett Wollman 81d5b718b3SGarrett Wollman 827b6ab19dSGarrett Wollman #define WTIME 15 /* Time to wait for all responses */ 837b6ab19dSGarrett Wollman #define STIME (250*1000) /* usec to wait for another response */ 847b6ab19dSGarrett Wollman 852c7a9781SMark Murray int soc; 867b6ab19dSGarrett Wollman 872c7a9781SMark Murray const char *pgmname; 887b6ab19dSGarrett Wollman 897b6ab19dSGarrett Wollman union { 907b6ab19dSGarrett Wollman struct rip rip; 917b6ab19dSGarrett Wollman char packet[MAXPACKETSIZE+MAXPATHLEN]; 927b6ab19dSGarrett Wollman } omsg_buf; 937b6ab19dSGarrett Wollman #define OMSG omsg_buf.rip 947b6ab19dSGarrett Wollman int omsg_len = sizeof(struct rip); 957b6ab19dSGarrett Wollman 967b6ab19dSGarrett Wollman union { 977b6ab19dSGarrett Wollman struct rip rip; 987b6ab19dSGarrett Wollman char packet[MAXPACKETSIZE+1024]; 997b6ab19dSGarrett Wollman } imsg_buf; 1007b6ab19dSGarrett Wollman #define IMSG imsg_buf.rip 1017b6ab19dSGarrett Wollman 1027b6ab19dSGarrett Wollman int nflag; /* numbers, no names */ 1037b6ab19dSGarrett Wollman int pflag; /* play the `gated` game */ 1047b6ab19dSGarrett Wollman int ripv2 = 1; /* use RIP version 2 */ 1057b6ab19dSGarrett Wollman int wtime = WTIME; 1067b6ab19dSGarrett Wollman int rflag; /* 1=ask about a particular route */ 107d5b718b3SGarrett Wollman int trace, not_trace; /* send trace command or not */ 108d5b718b3SGarrett Wollman int auth_type = RIP_AUTH_NONE; 109d5b718b3SGarrett Wollman char passwd[RIP_AUTH_PW_LEN]; 110d5b718b3SGarrett Wollman u_long keyid; 1117b6ab19dSGarrett Wollman 1127b6ab19dSGarrett Wollman struct timeval sent; /* when query sent */ 1137b6ab19dSGarrett Wollman 1142c7a9781SMark Murray static char localhost_str[] = "localhost"; 1152c7a9781SMark Murray static char *default_argv[] = {localhost_str, 0}; 1162c7a9781SMark Murray 1177b6ab19dSGarrett Wollman static void rip_input(struct sockaddr_in*, int); 1182c7a9781SMark Murray static int out(const char *); 1192c7a9781SMark Murray static void trace_loop(char *argv[]) __attribute((__noreturn__)); 1202c7a9781SMark Murray static void query_loop(char *argv[], int) __attribute((__noreturn__)); 1217b6ab19dSGarrett Wollman static int getnet(char *, struct netinfo *); 1227b6ab19dSGarrett Wollman static u_int std_mask(u_int); 1232c7a9781SMark Murray static int parse_quote(char **, const char *, char *, char *, int); 12490100551SPhilippe Charnier static void usage(void); 1257b6ab19dSGarrett Wollman 1267b6ab19dSGarrett Wollman 12790100551SPhilippe Charnier int 1287b6ab19dSGarrett Wollman main(int argc, 1297b6ab19dSGarrett Wollman char *argv[]) 1307b6ab19dSGarrett Wollman { 1317b6ab19dSGarrett Wollman int ch, bsize; 132d5b718b3SGarrett Wollman char *p, *options, *value, delim; 1332c7a9781SMark Murray const char *result; 1347b6ab19dSGarrett Wollman 1357b6ab19dSGarrett Wollman OMSG.rip_nets[0].n_dst = RIP_DEFAULT; 1367b6ab19dSGarrett Wollman OMSG.rip_nets[0].n_family = RIP_AF_UNSPEC; 1377b6ab19dSGarrett Wollman OMSG.rip_nets[0].n_metric = htonl(HOPCNT_INFINITY); 1387b6ab19dSGarrett Wollman 1397b6ab19dSGarrett Wollman pgmname = argv[0]; 1408d64695cSWarner Losh while ((ch = getopt(argc, argv, "np1w:r:t:a:")) != -1) 1417b6ab19dSGarrett Wollman switch (ch) { 1427b6ab19dSGarrett Wollman case 'n': 1437b6ab19dSGarrett Wollman not_trace = 1; 1447b6ab19dSGarrett Wollman nflag = 1; 1457b6ab19dSGarrett Wollman break; 1467b6ab19dSGarrett Wollman 1477b6ab19dSGarrett Wollman case 'p': 1487b6ab19dSGarrett Wollman not_trace = 1; 1497b6ab19dSGarrett Wollman pflag = 1; 1507b6ab19dSGarrett Wollman break; 1517b6ab19dSGarrett Wollman 1527b6ab19dSGarrett Wollman case '1': 1537b6ab19dSGarrett Wollman ripv2 = 0; 1547b6ab19dSGarrett Wollman break; 1557b6ab19dSGarrett Wollman 1567b6ab19dSGarrett Wollman case 'w': 1577b6ab19dSGarrett Wollman not_trace = 1; 1587b6ab19dSGarrett Wollman wtime = (int)strtoul(optarg, &p, 0); 1597b6ab19dSGarrett Wollman if (*p != '\0' 1607b6ab19dSGarrett Wollman || wtime <= 0) 16190100551SPhilippe Charnier usage(); 1627b6ab19dSGarrett Wollman break; 1637b6ab19dSGarrett Wollman 1647b6ab19dSGarrett Wollman case 'r': 1657b6ab19dSGarrett Wollman not_trace = 1; 1667b6ab19dSGarrett Wollman if (rflag) 16790100551SPhilippe Charnier usage(); 1687b6ab19dSGarrett Wollman rflag = getnet(optarg, &OMSG.rip_nets[0]); 1697b6ab19dSGarrett Wollman if (!rflag) { 1707b6ab19dSGarrett Wollman struct hostent *hp = gethostbyname(optarg); 1717b6ab19dSGarrett Wollman if (hp == 0) { 1727b6ab19dSGarrett Wollman fprintf(stderr, "%s: %s:", 1737b6ab19dSGarrett Wollman pgmname, optarg); 1747b6ab19dSGarrett Wollman herror(0); 1757b6ab19dSGarrett Wollman exit(1); 1767b6ab19dSGarrett Wollman } 1772c7a9781SMark Murray memcpy(&OMSG.rip_nets[0].n_dst, hp->h_addr, 1787b6ab19dSGarrett Wollman sizeof(OMSG.rip_nets[0].n_dst)); 1797b6ab19dSGarrett Wollman OMSG.rip_nets[0].n_family = RIP_AF_INET; 1807b6ab19dSGarrett Wollman OMSG.rip_nets[0].n_mask = -1; 1817b6ab19dSGarrett Wollman rflag = 1; 1827b6ab19dSGarrett Wollman } 1837b6ab19dSGarrett Wollman break; 1847b6ab19dSGarrett Wollman 1857b6ab19dSGarrett Wollman case 't': 1867b6ab19dSGarrett Wollman trace = 1; 1877b6ab19dSGarrett Wollman options = optarg; 1887b6ab19dSGarrett Wollman while (*options != '\0') { 1892c7a9781SMark Murray /* messy complications to make -W -Wall happy */ 1902c7a9781SMark Murray static char on_str[] = "on"; 1912c7a9781SMark Murray static char more_str[] = "more"; 1922c7a9781SMark Murray static char off_str[] = "off"; 1932c7a9781SMark Murray static char dump_str[] = "dump"; 1942c7a9781SMark Murray static char *traceopts[] = { 1957b6ab19dSGarrett Wollman # define TRACE_ON 0 1962c7a9781SMark Murray on_str, 1977b6ab19dSGarrett Wollman # define TRACE_MORE 1 1982c7a9781SMark Murray more_str, 1997b6ab19dSGarrett Wollman # define TRACE_OFF 2 2002c7a9781SMark Murray off_str, 2017b6ab19dSGarrett Wollman # define TRACE_DUMP 3 2022c7a9781SMark Murray dump_str, 2037b6ab19dSGarrett Wollman 0 2047b6ab19dSGarrett Wollman }; 2052c7a9781SMark Murray result = ""; 2067b6ab19dSGarrett Wollman switch (getsubopt(&options,traceopts,&value)) { 2077b6ab19dSGarrett Wollman case TRACE_ON: 2087b6ab19dSGarrett Wollman OMSG.rip_cmd = RIPCMD_TRACEON; 2097b6ab19dSGarrett Wollman if (!value 2107b6ab19dSGarrett Wollman || strlen(value) > MAXPATHLEN) 21190100551SPhilippe Charnier usage(); 2122c7a9781SMark Murray result = value; 2137b6ab19dSGarrett Wollman break; 2147b6ab19dSGarrett Wollman case TRACE_MORE: 2157b6ab19dSGarrett Wollman if (value) 21690100551SPhilippe Charnier usage(); 2177b6ab19dSGarrett Wollman OMSG.rip_cmd = RIPCMD_TRACEON; 2187b6ab19dSGarrett Wollman break; 2197b6ab19dSGarrett Wollman case TRACE_OFF: 2207b6ab19dSGarrett Wollman if (value) 22190100551SPhilippe Charnier usage(); 2227b6ab19dSGarrett Wollman OMSG.rip_cmd = RIPCMD_TRACEOFF; 2237b6ab19dSGarrett Wollman break; 2247b6ab19dSGarrett Wollman case TRACE_DUMP: 2257b6ab19dSGarrett Wollman if (value) 22690100551SPhilippe Charnier usage(); 2277b6ab19dSGarrett Wollman OMSG.rip_cmd = RIPCMD_TRACEON; 2282c7a9781SMark Murray result = "dump/../table"; 2297b6ab19dSGarrett Wollman break; 2307b6ab19dSGarrett Wollman default: 23190100551SPhilippe Charnier usage(); 2327b6ab19dSGarrett Wollman } 2332c7a9781SMark Murray strcpy((char*)OMSG.rip_tracefile, result); 2342c7a9781SMark Murray omsg_len += strlen(result) - sizeof(OMSG.ripun); 2357b6ab19dSGarrett Wollman } 2367b6ab19dSGarrett Wollman break; 2377b6ab19dSGarrett Wollman 238d5b718b3SGarrett Wollman case 'a': 239d5b718b3SGarrett Wollman not_trace = 1; 240d5b718b3SGarrett Wollman p = strchr(optarg,'='); 241d5b718b3SGarrett Wollman if (!p) 24290100551SPhilippe Charnier usage(); 243d5b718b3SGarrett Wollman *p++ = '\0'; 244d5b718b3SGarrett Wollman if (!strcasecmp("passwd",optarg)) 245d5b718b3SGarrett Wollman auth_type = RIP_AUTH_PW; 246d5b718b3SGarrett Wollman else if (!strcasecmp("md5_passwd",optarg)) 247d5b718b3SGarrett Wollman auth_type = RIP_AUTH_MD5; 248d5b718b3SGarrett Wollman else 24990100551SPhilippe Charnier usage(); 250d5b718b3SGarrett Wollman if (0 > parse_quote(&p,"|",&delim, 251d5b718b3SGarrett Wollman passwd, sizeof(passwd))) 25290100551SPhilippe Charnier usage(); 253d5b718b3SGarrett Wollman if (auth_type == RIP_AUTH_MD5 254d5b718b3SGarrett Wollman && delim == '|') { 255d5b718b3SGarrett Wollman keyid = strtoul(p+1,&p,0); 256d5b718b3SGarrett Wollman if (keyid > 255 || *p != '\0') 25790100551SPhilippe Charnier usage(); 258d5b718b3SGarrett Wollman } else if (delim != '\0') { 25990100551SPhilippe Charnier usage(); 260d5b718b3SGarrett Wollman } 261d5b718b3SGarrett Wollman break; 262d5b718b3SGarrett Wollman 2637b6ab19dSGarrett Wollman default: 26490100551SPhilippe Charnier usage(); 2657b6ab19dSGarrett Wollman } 2667b6ab19dSGarrett Wollman argv += optind; 2677b6ab19dSGarrett Wollman argc -= optind; 2682c7a9781SMark Murray if (not_trace && trace) 26990100551SPhilippe Charnier usage(); 2702c7a9781SMark Murray if (argc == 0) { 2712c7a9781SMark Murray argc = 1; 2722c7a9781SMark Murray argv = default_argv; 2737b6ab19dSGarrett Wollman } 2747b6ab19dSGarrett Wollman 2752c7a9781SMark Murray soc = socket(AF_INET, SOCK_DGRAM, 0); 2762c7a9781SMark Murray if (soc < 0) { 277a657e529SMark Murray perror("socket"); 278a657e529SMark Murray exit(2); 2797b6ab19dSGarrett Wollman } 2807b6ab19dSGarrett Wollman 2817b6ab19dSGarrett Wollman /* be prepared to receive a lot of routes */ 2827b6ab19dSGarrett Wollman for (bsize = 127*1024; ; bsize -= 1024) { 2832c7a9781SMark Murray if (setsockopt(soc, SOL_SOCKET, SO_RCVBUF, 2847b6ab19dSGarrett Wollman &bsize, sizeof(bsize)) == 0) 2857b6ab19dSGarrett Wollman break; 2867b6ab19dSGarrett Wollman if (bsize <= 4*1024) { 287a657e529SMark Murray perror("setsockopt SO_RCVBUF"); 2887b6ab19dSGarrett Wollman break; 2897b6ab19dSGarrett Wollman } 2907b6ab19dSGarrett Wollman } 2917b6ab19dSGarrett Wollman 2927b6ab19dSGarrett Wollman if (trace) 2937b6ab19dSGarrett Wollman trace_loop(argv); 2947b6ab19dSGarrett Wollman else 2957b6ab19dSGarrett Wollman query_loop(argv, argc); 2967b6ab19dSGarrett Wollman /* NOTREACHED */ 2972c7a9781SMark Murray return 0; 2987b6ab19dSGarrett Wollman } 2997b6ab19dSGarrett Wollman 3002c7a9781SMark Murray 30190100551SPhilippe Charnier static void 3022c7a9781SMark Murray usage(void) 30390100551SPhilippe Charnier { 3042c7a9781SMark Murray fprintf(stderr, 3052c7a9781SMark Murray "usage: rtquery [-np1] [-r tgt_rt] [-w wtime]" 3062c7a9781SMark Murray " [-a type=passwd] host1 [host2 ...]\n" 3072c7a9781SMark Murray "\trtquery -t {on=filename|more|off|dump}" 3082c7a9781SMark Murray " host1 [host2 ...]\n"); 30990100551SPhilippe Charnier exit(1); 31090100551SPhilippe Charnier } 3117b6ab19dSGarrett Wollman 3127b6ab19dSGarrett Wollman 3137b6ab19dSGarrett Wollman /* tell the target hosts about tracing 3147b6ab19dSGarrett Wollman */ 3157b6ab19dSGarrett Wollman static void 3167b6ab19dSGarrett Wollman trace_loop(char *argv[]) 3177b6ab19dSGarrett Wollman { 3187b6ab19dSGarrett Wollman struct sockaddr_in myaddr; 3197b6ab19dSGarrett Wollman int res; 3207b6ab19dSGarrett Wollman 3217b6ab19dSGarrett Wollman if (geteuid() != 0) { 3227b6ab19dSGarrett Wollman (void)fprintf(stderr, "-t requires UID 0\n"); 3237b6ab19dSGarrett Wollman exit(1); 3247b6ab19dSGarrett Wollman } 3257b6ab19dSGarrett Wollman 3267b6ab19dSGarrett Wollman if (ripv2) { 3277b6ab19dSGarrett Wollman OMSG.rip_vers = RIPv2; 3287b6ab19dSGarrett Wollman } else { 3297b6ab19dSGarrett Wollman OMSG.rip_vers = RIPv1; 3307b6ab19dSGarrett Wollman } 3317b6ab19dSGarrett Wollman 3322c7a9781SMark Murray memset(&myaddr, 0, sizeof(myaddr)); 3337b6ab19dSGarrett Wollman myaddr.sin_family = AF_INET; 3347b6ab19dSGarrett Wollman #ifdef _HAVE_SIN_LEN 3357b6ab19dSGarrett Wollman myaddr.sin_len = sizeof(myaddr); 3367b6ab19dSGarrett Wollman #endif 3377b6ab19dSGarrett Wollman myaddr.sin_port = htons(IPPORT_RESERVED-1); 3382c7a9781SMark Murray while (bind(soc, (struct sockaddr *)&myaddr, sizeof(myaddr)) < 0) { 3397b6ab19dSGarrett Wollman if (errno != EADDRINUSE 3407b6ab19dSGarrett Wollman || myaddr.sin_port == 0) { 341a657e529SMark Murray perror("bind"); 342a657e529SMark Murray exit(2); 3437b6ab19dSGarrett Wollman } 3447b6ab19dSGarrett Wollman myaddr.sin_port = htons(ntohs(myaddr.sin_port)-1); 3457b6ab19dSGarrett Wollman } 3467b6ab19dSGarrett Wollman 3477b6ab19dSGarrett Wollman res = 1; 3487b6ab19dSGarrett Wollman while (*argv != 0) { 3497b6ab19dSGarrett Wollman if (out(*argv++) <= 0) 3507b6ab19dSGarrett Wollman res = 0; 3517b6ab19dSGarrett Wollman } 3527b6ab19dSGarrett Wollman exit(res); 3537b6ab19dSGarrett Wollman } 3547b6ab19dSGarrett Wollman 3557b6ab19dSGarrett Wollman 3567b6ab19dSGarrett Wollman /* query all of the listed hosts 3577b6ab19dSGarrett Wollman */ 3587b6ab19dSGarrett Wollman static void 3597b6ab19dSGarrett Wollman query_loop(char *argv[], int argc) 3607b6ab19dSGarrett Wollman { 361d5b718b3SGarrett Wollman # define NA0 (OMSG.rip_auths[0]) 362d5b718b3SGarrett Wollman # define NA2 (OMSG.rip_auths[2]) 3637b6ab19dSGarrett Wollman struct seen { 3647b6ab19dSGarrett Wollman struct seen *next; 3657b6ab19dSGarrett Wollman struct in_addr addr; 3667b6ab19dSGarrett Wollman } *seen, *sp; 3677b6ab19dSGarrett Wollman int answered = 0; 3687b6ab19dSGarrett Wollman int cc; 3697b6ab19dSGarrett Wollman fd_set bits; 3707b6ab19dSGarrett Wollman struct timeval now, delay; 3717b6ab19dSGarrett Wollman struct sockaddr_in from; 3727b6ab19dSGarrett Wollman int fromlen; 373d5b718b3SGarrett Wollman MD5_CTX md5_ctx; 3747b6ab19dSGarrett Wollman 3757b6ab19dSGarrett Wollman 3767b6ab19dSGarrett Wollman OMSG.rip_cmd = (pflag) ? RIPCMD_POLL : RIPCMD_REQUEST; 3777b6ab19dSGarrett Wollman if (ripv2) { 3787b6ab19dSGarrett Wollman OMSG.rip_vers = RIPv2; 379d5b718b3SGarrett Wollman if (auth_type == RIP_AUTH_PW) { 380d5b718b3SGarrett Wollman OMSG.rip_nets[1] = OMSG.rip_nets[0]; 381d5b718b3SGarrett Wollman NA0.a_family = RIP_AF_AUTH; 382d5b718b3SGarrett Wollman NA0.a_type = RIP_AUTH_PW; 3832c7a9781SMark Murray memcpy(NA0.au.au_pw, passwd, RIP_AUTH_PW_LEN); 384d5b718b3SGarrett Wollman omsg_len += sizeof(OMSG.rip_nets[0]); 385d5b718b3SGarrett Wollman 386d5b718b3SGarrett Wollman } else if (auth_type == RIP_AUTH_MD5) { 387d5b718b3SGarrett Wollman OMSG.rip_nets[1] = OMSG.rip_nets[0]; 388d5b718b3SGarrett Wollman NA0.a_family = RIP_AF_AUTH; 389d5b718b3SGarrett Wollman NA0.a_type = RIP_AUTH_MD5; 390d5b718b3SGarrett Wollman NA0.au.a_md5.md5_keyid = (int8_t)keyid; 3912c7a9781SMark Murray NA0.au.a_md5.md5_auth_len = RIP_AUTH_MD5_LEN; 392d5b718b3SGarrett Wollman NA0.au.a_md5.md5_seqno = 0; 3932c7a9781SMark Murray cc = (char *)&NA2-(char *)&OMSG; 3942c7a9781SMark Murray NA0.au.a_md5.md5_pkt_len = htons(cc); 395d5b718b3SGarrett Wollman NA2.a_family = RIP_AF_AUTH; 3962c7a9781SMark Murray NA2.a_type = htons(1); 397d5b718b3SGarrett Wollman MD5Init(&md5_ctx); 3982c7a9781SMark Murray MD5Update(&md5_ctx, 3992c7a9781SMark Murray (u_char *)&OMSG, cc); 4002c7a9781SMark Murray MD5Update(&md5_ctx, 4012c7a9781SMark Murray (u_char *)passwd, RIP_AUTH_MD5_LEN); 402d5b718b3SGarrett Wollman MD5Final(NA2.au.au_pw, &md5_ctx); 403d5b718b3SGarrett Wollman omsg_len += 2*sizeof(OMSG.rip_nets[0]); 404d5b718b3SGarrett Wollman } 405d5b718b3SGarrett Wollman 4067b6ab19dSGarrett Wollman } else { 4077b6ab19dSGarrett Wollman OMSG.rip_vers = RIPv1; 4087b6ab19dSGarrett Wollman OMSG.rip_nets[0].n_mask = 0; 4097b6ab19dSGarrett Wollman } 4107b6ab19dSGarrett Wollman 4117b6ab19dSGarrett Wollman /* ask the first (valid) host */ 4127b6ab19dSGarrett Wollman seen = 0; 4137b6ab19dSGarrett Wollman while (0 > out(*argv++)) { 4147b6ab19dSGarrett Wollman if (*argv == 0) 4157b6ab19dSGarrett Wollman exit(-1); 4167b6ab19dSGarrett Wollman answered++; 4177b6ab19dSGarrett Wollman } 4187b6ab19dSGarrett Wollman 4197b6ab19dSGarrett Wollman FD_ZERO(&bits); 4207b6ab19dSGarrett Wollman for (;;) { 4212c7a9781SMark Murray FD_SET(soc, &bits); 4227b6ab19dSGarrett Wollman delay.tv_sec = 0; 4237b6ab19dSGarrett Wollman delay.tv_usec = STIME; 4242c7a9781SMark Murray cc = select(soc+1, &bits, 0,0, &delay); 4257b6ab19dSGarrett Wollman if (cc > 0) { 4267b6ab19dSGarrett Wollman fromlen = sizeof(from); 4272c7a9781SMark Murray cc = recvfrom(soc, imsg_buf.packet, 4287b6ab19dSGarrett Wollman sizeof(imsg_buf.packet), 0, 4297b6ab19dSGarrett Wollman (struct sockaddr *)&from, &fromlen); 4307b6ab19dSGarrett Wollman if (cc < 0) { 431a657e529SMark Murray perror("recvfrom"); 432a657e529SMark Murray exit(1); 4337b6ab19dSGarrett Wollman } 4347b6ab19dSGarrett Wollman /* count the distinct responding hosts. 4357b6ab19dSGarrett Wollman * You cannot match responding hosts with 4367b6ab19dSGarrett Wollman * addresses to which queries were transmitted, 4377b6ab19dSGarrett Wollman * because a router might respond with a 4387b6ab19dSGarrett Wollman * different source address. 4397b6ab19dSGarrett Wollman */ 4407b6ab19dSGarrett Wollman for (sp = seen; sp != 0; sp = sp->next) { 4417b6ab19dSGarrett Wollman if (sp->addr.s_addr == from.sin_addr.s_addr) 4427b6ab19dSGarrett Wollman break; 4437b6ab19dSGarrett Wollman } 4447b6ab19dSGarrett Wollman if (sp == 0) { 4457b6ab19dSGarrett Wollman sp = malloc(sizeof(*sp)); 4462c7a9781SMark Murray if (sp == 0) { 4472c7a9781SMark Murray fprintf(stderr, 4482c7a9781SMark Murray "rtquery: malloc failed\n"); 4492c7a9781SMark Murray exit(1); 4502c7a9781SMark Murray } 4517b6ab19dSGarrett Wollman sp->addr = from.sin_addr; 4527b6ab19dSGarrett Wollman sp->next = seen; 4537b6ab19dSGarrett Wollman seen = sp; 4547b6ab19dSGarrett Wollman answered++; 4557b6ab19dSGarrett Wollman } 4567b6ab19dSGarrett Wollman 4577b6ab19dSGarrett Wollman rip_input(&from, cc); 4587b6ab19dSGarrett Wollman continue; 4597b6ab19dSGarrett Wollman } 4607b6ab19dSGarrett Wollman 4617b6ab19dSGarrett Wollman if (cc < 0) { 4627b6ab19dSGarrett Wollman if (errno == EINTR) 4637b6ab19dSGarrett Wollman continue; 464a657e529SMark Murray perror("select"); 465a657e529SMark Murray exit(1); 4667b6ab19dSGarrett Wollman } 4677b6ab19dSGarrett Wollman 4687b6ab19dSGarrett Wollman /* After a pause in responses, probe another host. 4697b6ab19dSGarrett Wollman * This reduces the intermingling of answers. 4707b6ab19dSGarrett Wollman */ 4717b6ab19dSGarrett Wollman while (*argv != 0 && 0 > out(*argv++)) 4727b6ab19dSGarrett Wollman answered++; 4737b6ab19dSGarrett Wollman 4747b6ab19dSGarrett Wollman /* continue until no more packets arrive 4757b6ab19dSGarrett Wollman * or we have heard from all hosts 4767b6ab19dSGarrett Wollman */ 4777b6ab19dSGarrett Wollman if (answered >= argc) 4787b6ab19dSGarrett Wollman break; 4797b6ab19dSGarrett Wollman 4807b6ab19dSGarrett Wollman /* or until we have waited a long time 4817b6ab19dSGarrett Wollman */ 4827b6ab19dSGarrett Wollman if (gettimeofday(&now, 0) < 0) { 483a657e529SMark Murray perror("gettimeofday(now)"); 484a657e529SMark Murray exit(1); 4857b6ab19dSGarrett Wollman } 4867b6ab19dSGarrett Wollman if (sent.tv_sec + wtime <= now.tv_sec) 4877b6ab19dSGarrett Wollman break; 4887b6ab19dSGarrett Wollman } 4897b6ab19dSGarrett Wollman 4907b6ab19dSGarrett Wollman /* fail if there was no answer */ 4917b6ab19dSGarrett Wollman exit (answered >= argc ? 0 : 1); 4927b6ab19dSGarrett Wollman } 4937b6ab19dSGarrett Wollman 4947b6ab19dSGarrett Wollman 495d5b718b3SGarrett Wollman /* send to one host 4967b6ab19dSGarrett Wollman */ 4977b6ab19dSGarrett Wollman static int 4982c7a9781SMark Murray out(const char *host) 4997b6ab19dSGarrett Wollman { 5007b6ab19dSGarrett Wollman struct sockaddr_in router; 5017b6ab19dSGarrett Wollman struct hostent *hp; 5027b6ab19dSGarrett Wollman 5037b6ab19dSGarrett Wollman if (gettimeofday(&sent, 0) < 0) { 504a657e529SMark Murray perror("gettimeofday(sent)"); 505a657e529SMark Murray return -1; 5067b6ab19dSGarrett Wollman } 5077b6ab19dSGarrett Wollman 5082c7a9781SMark Murray memset(&router, 0, sizeof(router)); 5097b6ab19dSGarrett Wollman router.sin_family = AF_INET; 5107b6ab19dSGarrett Wollman #ifdef _HAVE_SIN_LEN 5117b6ab19dSGarrett Wollman router.sin_len = sizeof(router); 5127b6ab19dSGarrett Wollman #endif 5137b6ab19dSGarrett Wollman if (!inet_aton(host, &router.sin_addr)) { 5147b6ab19dSGarrett Wollman hp = gethostbyname(host); 5157b6ab19dSGarrett Wollman if (hp == 0) { 5167b6ab19dSGarrett Wollman herror(host); 5177b6ab19dSGarrett Wollman return -1; 5187b6ab19dSGarrett Wollman } 5192c7a9781SMark Murray memcpy(&router.sin_addr, hp->h_addr, sizeof(router.sin_addr)); 5207b6ab19dSGarrett Wollman } 5217b6ab19dSGarrett Wollman router.sin_port = htons(RIP_PORT); 5227b6ab19dSGarrett Wollman 5232c7a9781SMark Murray if (sendto(soc, &omsg_buf, omsg_len, 0, 5247b6ab19dSGarrett Wollman (struct sockaddr *)&router, sizeof(router)) < 0) { 525a657e529SMark Murray perror(host); 526a657e529SMark Murray return -1; 5277b6ab19dSGarrett Wollman } 5287b6ab19dSGarrett Wollman 5297b6ab19dSGarrett Wollman return 0; 5307b6ab19dSGarrett Wollman } 5317b6ab19dSGarrett Wollman 5327b6ab19dSGarrett Wollman 5337b6ab19dSGarrett Wollman /* 534d5b718b3SGarrett Wollman * Convert string to printable characters 535d5b718b3SGarrett Wollman */ 536d5b718b3SGarrett Wollman static char * 537d5b718b3SGarrett Wollman qstring(u_char *s, int len) 538d5b718b3SGarrett Wollman { 539d5b718b3SGarrett Wollman static char buf[8*20+1]; 540d5b718b3SGarrett Wollman char *p; 541d5b718b3SGarrett Wollman u_char *s2, c; 542d5b718b3SGarrett Wollman 543d5b718b3SGarrett Wollman 544d5b718b3SGarrett Wollman for (p = buf; len != 0 && p < &buf[sizeof(buf)-1]; len--) { 545d5b718b3SGarrett Wollman c = *s++; 546d5b718b3SGarrett Wollman if (c == '\0') { 547d5b718b3SGarrett Wollman for (s2 = s+1; s2 < &s[len]; s2++) { 548d5b718b3SGarrett Wollman if (*s2 != '\0') 549d5b718b3SGarrett Wollman break; 550d5b718b3SGarrett Wollman } 551d5b718b3SGarrett Wollman if (s2 >= &s[len]) 552d5b718b3SGarrett Wollman goto exit; 553d5b718b3SGarrett Wollman } 554d5b718b3SGarrett Wollman 555d5b718b3SGarrett Wollman if (c >= ' ' && c < 0x7f && c != '\\') { 556d5b718b3SGarrett Wollman *p++ = c; 557d5b718b3SGarrett Wollman continue; 558d5b718b3SGarrett Wollman } 559d5b718b3SGarrett Wollman *p++ = '\\'; 560d5b718b3SGarrett Wollman switch (c) { 561d5b718b3SGarrett Wollman case '\\': 562d5b718b3SGarrett Wollman *p++ = '\\'; 563d5b718b3SGarrett Wollman break; 564d5b718b3SGarrett Wollman case '\n': 565d5b718b3SGarrett Wollman *p++= 'n'; 566d5b718b3SGarrett Wollman break; 567d5b718b3SGarrett Wollman case '\r': 568d5b718b3SGarrett Wollman *p++= 'r'; 569d5b718b3SGarrett Wollman break; 570d5b718b3SGarrett Wollman case '\t': 571d5b718b3SGarrett Wollman *p++ = 't'; 572d5b718b3SGarrett Wollman break; 573d5b718b3SGarrett Wollman case '\b': 574d5b718b3SGarrett Wollman *p++ = 'b'; 575d5b718b3SGarrett Wollman break; 576d5b718b3SGarrett Wollman default: 577d5b718b3SGarrett Wollman p += sprintf(p,"%o",c); 578d5b718b3SGarrett Wollman break; 579d5b718b3SGarrett Wollman } 580d5b718b3SGarrett Wollman } 581d5b718b3SGarrett Wollman exit: 582d5b718b3SGarrett Wollman *p = '\0'; 583d5b718b3SGarrett Wollman return buf; 584d5b718b3SGarrett Wollman } 585d5b718b3SGarrett Wollman 586d5b718b3SGarrett Wollman 587d5b718b3SGarrett Wollman /* 5887b6ab19dSGarrett Wollman * Handle an incoming RIP packet. 5897b6ab19dSGarrett Wollman */ 5907b6ab19dSGarrett Wollman static void 5917b6ab19dSGarrett Wollman rip_input(struct sockaddr_in *from, 5927b6ab19dSGarrett Wollman int size) 5937b6ab19dSGarrett Wollman { 5947b6ab19dSGarrett Wollman struct netinfo *n, *lim; 5957b6ab19dSGarrett Wollman struct in_addr in; 5962c7a9781SMark Murray const char *name; 5977b6ab19dSGarrett Wollman char net_buf[80]; 5982c7a9781SMark Murray u_char hash[RIP_AUTH_MD5_LEN]; 5992c7a9781SMark Murray MD5_CTX md5_ctx; 6002c7a9781SMark Murray u_char md5_authed = 0; 6017b6ab19dSGarrett Wollman u_int mask, dmask; 6027b6ab19dSGarrett Wollman char *sp; 6037b6ab19dSGarrett Wollman int i; 6047b6ab19dSGarrett Wollman struct hostent *hp; 6057b6ab19dSGarrett Wollman struct netent *np; 606d5b718b3SGarrett Wollman struct netauth *na; 6077b6ab19dSGarrett Wollman 6087b6ab19dSGarrett Wollman 6097b6ab19dSGarrett Wollman if (nflag) { 6107b6ab19dSGarrett Wollman printf("%s:", inet_ntoa(from->sin_addr)); 6117b6ab19dSGarrett Wollman } else { 6127b6ab19dSGarrett Wollman hp = gethostbyaddr((char*)&from->sin_addr, 6137b6ab19dSGarrett Wollman sizeof(struct in_addr), AF_INET); 6147b6ab19dSGarrett Wollman if (hp == 0) { 6157b6ab19dSGarrett Wollman printf("%s:", 6167b6ab19dSGarrett Wollman inet_ntoa(from->sin_addr)); 6177b6ab19dSGarrett Wollman } else { 6187b6ab19dSGarrett Wollman printf("%s (%s):", hp->h_name, 6197b6ab19dSGarrett Wollman inet_ntoa(from->sin_addr)); 6207b6ab19dSGarrett Wollman } 6217b6ab19dSGarrett Wollman } 6227b6ab19dSGarrett Wollman if (IMSG.rip_cmd != RIPCMD_RESPONSE) { 6237b6ab19dSGarrett Wollman printf("\n unexpected response type %d\n", IMSG.rip_cmd); 6247b6ab19dSGarrett Wollman return; 6257b6ab19dSGarrett Wollman } 6267b6ab19dSGarrett Wollman printf(" RIPv%d%s %d bytes\n", IMSG.rip_vers, 6277b6ab19dSGarrett Wollman (IMSG.rip_vers != RIPv1 && IMSG.rip_vers != RIPv2) ? " ?" : "", 6287b6ab19dSGarrett Wollman size); 6297b6ab19dSGarrett Wollman if (size > MAXPACKETSIZE) { 6302c7a9781SMark Murray if (size > (int)sizeof(imsg_buf) - (int)sizeof(*n)) { 6317b6ab19dSGarrett Wollman printf(" at least %d bytes too long\n", 6327b6ab19dSGarrett Wollman size-MAXPACKETSIZE); 6332c7a9781SMark Murray size = (int)sizeof(imsg_buf) - (int)sizeof(*n); 6347b6ab19dSGarrett Wollman } else { 6357b6ab19dSGarrett Wollman printf(" %d bytes too long\n", 6367b6ab19dSGarrett Wollman size-MAXPACKETSIZE); 6377b6ab19dSGarrett Wollman } 6387b6ab19dSGarrett Wollman } else if (size%sizeof(*n) != sizeof(struct rip)%sizeof(*n)) { 6397b6ab19dSGarrett Wollman printf(" response of bad length=%d\n", size); 6407b6ab19dSGarrett Wollman } 6417b6ab19dSGarrett Wollman 6427b6ab19dSGarrett Wollman n = IMSG.rip_nets; 6437b6ab19dSGarrett Wollman lim = (struct netinfo *)((char*)n + size) - 1; 6447b6ab19dSGarrett Wollman for (; n <= lim; n++) { 6457b6ab19dSGarrett Wollman name = ""; 6467b6ab19dSGarrett Wollman if (n->n_family == RIP_AF_INET) { 6477b6ab19dSGarrett Wollman in.s_addr = n->n_dst; 6487b6ab19dSGarrett Wollman (void)strcpy(net_buf, inet_ntoa(in)); 6497b6ab19dSGarrett Wollman 6507b6ab19dSGarrett Wollman mask = ntohl(n->n_mask); 6517b6ab19dSGarrett Wollman dmask = mask & -mask; 6527b6ab19dSGarrett Wollman if (mask != 0) { 6537b6ab19dSGarrett Wollman sp = &net_buf[strlen(net_buf)]; 6547b6ab19dSGarrett Wollman if (IMSG.rip_vers == RIPv1) { 6557b6ab19dSGarrett Wollman (void)sprintf(sp," mask=%#x ? ",mask); 6567b6ab19dSGarrett Wollman mask = 0; 6577b6ab19dSGarrett Wollman } else if (mask + dmask == 0) { 6587b6ab19dSGarrett Wollman for (i = 0; 6597b6ab19dSGarrett Wollman (i != 32 6607b6ab19dSGarrett Wollman && ((1<<i)&mask) == 0); 6617b6ab19dSGarrett Wollman i++) 6627b6ab19dSGarrett Wollman continue; 6637b6ab19dSGarrett Wollman (void)sprintf(sp, "/%d",32-i); 6647b6ab19dSGarrett Wollman } else { 6657b6ab19dSGarrett Wollman (void)sprintf(sp," (mask %#x)", mask); 6667b6ab19dSGarrett Wollman } 6677b6ab19dSGarrett Wollman } 6687b6ab19dSGarrett Wollman 6697b6ab19dSGarrett Wollman if (!nflag) { 6707b6ab19dSGarrett Wollman if (mask == 0) { 6717b6ab19dSGarrett Wollman mask = std_mask(in.s_addr); 6727b6ab19dSGarrett Wollman if ((ntohl(in.s_addr) & ~mask) != 0) 6737b6ab19dSGarrett Wollman mask = 0; 6747b6ab19dSGarrett Wollman } 6757b6ab19dSGarrett Wollman /* Without a netmask, do not worry about 6767b6ab19dSGarrett Wollman * whether the destination is a host or a 6777b6ab19dSGarrett Wollman * network. Try both and use the first name 6787b6ab19dSGarrett Wollman * we get. 6797b6ab19dSGarrett Wollman * 6807b6ab19dSGarrett Wollman * If we have a netmask we can make a 6817b6ab19dSGarrett Wollman * good guess. 6827b6ab19dSGarrett Wollman */ 6837b6ab19dSGarrett Wollman if ((in.s_addr & ~mask) == 0) { 6847b6ab19dSGarrett Wollman np = getnetbyaddr((long)in.s_addr, 6857b6ab19dSGarrett Wollman AF_INET); 6867b6ab19dSGarrett Wollman if (np != 0) 6877b6ab19dSGarrett Wollman name = np->n_name; 6887b6ab19dSGarrett Wollman else if (in.s_addr == 0) 6897b6ab19dSGarrett Wollman name = "default"; 6907b6ab19dSGarrett Wollman } 6917b6ab19dSGarrett Wollman if (name[0] == '\0' 6927b6ab19dSGarrett Wollman && ((in.s_addr & ~mask) != 0 6937b6ab19dSGarrett Wollman || mask == 0xffffffff)) { 6947b6ab19dSGarrett Wollman hp = gethostbyaddr((char*)&in, 6957b6ab19dSGarrett Wollman sizeof(in), 6967b6ab19dSGarrett Wollman AF_INET); 6977b6ab19dSGarrett Wollman if (hp != 0) 6987b6ab19dSGarrett Wollman name = hp->h_name; 6997b6ab19dSGarrett Wollman } 7007b6ab19dSGarrett Wollman } 7017b6ab19dSGarrett Wollman 7027b6ab19dSGarrett Wollman } else if (n->n_family == RIP_AF_AUTH) { 703d5b718b3SGarrett Wollman na = (struct netauth*)n; 704d5b718b3SGarrett Wollman if (na->a_type == RIP_AUTH_PW 705d5b718b3SGarrett Wollman && n == IMSG.rip_nets) { 706d5b718b3SGarrett Wollman (void)printf(" Password Authentication:" 707d5b718b3SGarrett Wollman " \"%s\"\n", 708d5b718b3SGarrett Wollman qstring(na->au.au_pw, 709d5b718b3SGarrett Wollman RIP_AUTH_PW_LEN)); 710d5b718b3SGarrett Wollman continue; 711d5b718b3SGarrett Wollman } 712d5b718b3SGarrett Wollman 713d5b718b3SGarrett Wollman if (na->a_type == RIP_AUTH_MD5 714d5b718b3SGarrett Wollman && n == IMSG.rip_nets) { 7152c7a9781SMark Murray (void)printf(" MD5 Auth" 716d5b718b3SGarrett Wollman " len=%d KeyID=%d" 7172c7a9781SMark Murray " auth_len=%d" 7182c7a9781SMark Murray " seqno=%#x" 719d5b718b3SGarrett Wollman " rsvd=%#x,%#x\n", 7202c7a9781SMark Murray ntohs(na->au.a_md5.md5_pkt_len), 721d5b718b3SGarrett Wollman na->au.a_md5.md5_keyid, 7222c7a9781SMark Murray na->au.a_md5.md5_auth_len, 7232c7a9781SMark Murray (int)ntohl(na->au.a_md5.md5_seqno), 724d5b718b3SGarrett Wollman na->au.a_md5.rsvd[0], 725d5b718b3SGarrett Wollman na->au.a_md5.rsvd[1]); 7262c7a9781SMark Murray md5_authed = 1; 727d5b718b3SGarrett Wollman continue; 728d5b718b3SGarrett Wollman } 729d5b718b3SGarrett Wollman (void)printf(" Authentication type %d: ", 730d5b718b3SGarrett Wollman ntohs(na->a_type)); 7312c7a9781SMark Murray for (i = 0; i < (int)sizeof(na->au.au_pw); i++) 732d5b718b3SGarrett Wollman (void)printf("%02x ", na->au.au_pw[i]); 7337b6ab19dSGarrett Wollman putc('\n', stdout); 7342c7a9781SMark Murray if (md5_authed && n+1 > lim 7352c7a9781SMark Murray && na->a_type == ntohs(1)) { 7362c7a9781SMark Murray MD5Init(&md5_ctx); 7372c7a9781SMark Murray MD5Update(&md5_ctx, (u_char *)&IMSG, 7382c7a9781SMark Murray (char *)na-(char *)&IMSG); 7392c7a9781SMark Murray MD5Update(&md5_ctx, (u_char *)passwd, 7402c7a9781SMark Murray RIP_AUTH_MD5_LEN); 7412c7a9781SMark Murray MD5Final(hash, &md5_ctx); 7422c7a9781SMark Murray (void)printf(" %s hash\n", 7432c7a9781SMark Murray memcmp(hash, na->au.au_pw, 7442c7a9781SMark Murray sizeof(hash)) 7452c7a9781SMark Murray ? "WRONG" : "correct"); 7462c7a9781SMark Murray } 7477b6ab19dSGarrett Wollman continue; 7487b6ab19dSGarrett Wollman 7497b6ab19dSGarrett Wollman } else { 7507b6ab19dSGarrett Wollman (void)sprintf(net_buf, "(af %#x) %d.%d.%d.%d", 7517b6ab19dSGarrett Wollman ntohs(n->n_family), 7527b6ab19dSGarrett Wollman (char)(n->n_dst >> 24), 7537b6ab19dSGarrett Wollman (char)(n->n_dst >> 16), 7547b6ab19dSGarrett Wollman (char)(n->n_dst >> 8), 7557b6ab19dSGarrett Wollman (char)n->n_dst); 7567b6ab19dSGarrett Wollman } 7577b6ab19dSGarrett Wollman 7587b6ab19dSGarrett Wollman (void)printf(" %-18s metric %2d %-10s", 7592c7a9781SMark Murray net_buf, (int)ntohl(n->n_metric), name); 7607b6ab19dSGarrett Wollman 7617b6ab19dSGarrett Wollman if (n->n_nhop != 0) { 7627b6ab19dSGarrett Wollman in.s_addr = n->n_nhop; 7637b6ab19dSGarrett Wollman if (nflag) 7647b6ab19dSGarrett Wollman hp = 0; 7657b6ab19dSGarrett Wollman else 7667b6ab19dSGarrett Wollman hp = gethostbyaddr((char*)&in, sizeof(in), 7677b6ab19dSGarrett Wollman AF_INET); 7687b6ab19dSGarrett Wollman (void)printf(" nhop=%-15s%s", 7697b6ab19dSGarrett Wollman (hp != 0) ? hp->h_name : inet_ntoa(in), 7707b6ab19dSGarrett Wollman (IMSG.rip_vers == RIPv1) ? " ?" : ""); 7717b6ab19dSGarrett Wollman } 7727b6ab19dSGarrett Wollman if (n->n_tag != 0) 7737b6ab19dSGarrett Wollman (void)printf(" tag=%#x%s", n->n_tag, 7747b6ab19dSGarrett Wollman (IMSG.rip_vers == RIPv1) ? " ?" : ""); 7757b6ab19dSGarrett Wollman putc('\n', stdout); 7767b6ab19dSGarrett Wollman } 7777b6ab19dSGarrett Wollman } 7787b6ab19dSGarrett Wollman 7797b6ab19dSGarrett Wollman 7807b6ab19dSGarrett Wollman /* Return the classical netmask for an IP address. 7817b6ab19dSGarrett Wollman */ 7827b6ab19dSGarrett Wollman static u_int 7837b6ab19dSGarrett Wollman std_mask(u_int addr) /* in network order */ 7847b6ab19dSGarrett Wollman { 785fd8e4ebcSMike Barcroft addr = ntohl(addr); /* was a host, not a network */ 7867b6ab19dSGarrett Wollman 7877b6ab19dSGarrett Wollman if (addr == 0) /* default route has mask 0 */ 7887b6ab19dSGarrett Wollman return 0; 7897b6ab19dSGarrett Wollman if (IN_CLASSA(addr)) 7907b6ab19dSGarrett Wollman return IN_CLASSA_NET; 7917b6ab19dSGarrett Wollman if (IN_CLASSB(addr)) 7927b6ab19dSGarrett Wollman return IN_CLASSB_NET; 7937b6ab19dSGarrett Wollman return IN_CLASSC_NET; 7947b6ab19dSGarrett Wollman } 7957b6ab19dSGarrett Wollman 7967b6ab19dSGarrett Wollman 7977b6ab19dSGarrett Wollman /* get a network number as a name or a number, with an optional "/xx" 7987b6ab19dSGarrett Wollman * netmask. 7997b6ab19dSGarrett Wollman */ 8007b6ab19dSGarrett Wollman static int /* 0=bad */ 8017b6ab19dSGarrett Wollman getnet(char *name, 8027b6ab19dSGarrett Wollman struct netinfo *rt) 8037b6ab19dSGarrett Wollman { 8047b6ab19dSGarrett Wollman int i; 8057b6ab19dSGarrett Wollman struct netent *nentp; 8067b6ab19dSGarrett Wollman u_int mask; 8077b6ab19dSGarrett Wollman struct in_addr in; 8087b6ab19dSGarrett Wollman char hname[MAXHOSTNAMELEN+1]; 8097b6ab19dSGarrett Wollman char *mname, *p; 8107b6ab19dSGarrett Wollman 8117b6ab19dSGarrett Wollman 8127b6ab19dSGarrett Wollman /* Detect and separate "1.2.3.4/24" 8137b6ab19dSGarrett Wollman */ 8142c7a9781SMark Murray if (0 != (mname = strrchr(name,'/'))) { 8157b6ab19dSGarrett Wollman i = (int)(mname - name); 8162c7a9781SMark Murray if (i > (int)sizeof(hname)-1) /* name too long */ 8177b6ab19dSGarrett Wollman return 0; 8182c7a9781SMark Murray memmove(hname, name, i); 8197b6ab19dSGarrett Wollman hname[i] = '\0'; 8207b6ab19dSGarrett Wollman mname++; 8217b6ab19dSGarrett Wollman name = hname; 8227b6ab19dSGarrett Wollman } 8237b6ab19dSGarrett Wollman 8247b6ab19dSGarrett Wollman nentp = getnetbyname(name); 8257b6ab19dSGarrett Wollman if (nentp != 0) { 8267b6ab19dSGarrett Wollman in.s_addr = nentp->n_net; 8277b6ab19dSGarrett Wollman } else if (inet_aton(name, &in) == 1) { 828fd8e4ebcSMike Barcroft in.s_addr = ntohl(in.s_addr); 8297b6ab19dSGarrett Wollman } else { 8307b6ab19dSGarrett Wollman return 0; 8317b6ab19dSGarrett Wollman } 8327b6ab19dSGarrett Wollman 8337b6ab19dSGarrett Wollman if (mname == 0) { 8347b6ab19dSGarrett Wollman mask = std_mask(in.s_addr); 8357b6ab19dSGarrett Wollman if ((~mask & in.s_addr) != 0) 8367b6ab19dSGarrett Wollman mask = 0xffffffff; 8377b6ab19dSGarrett Wollman } else { 8387b6ab19dSGarrett Wollman mask = (u_int)strtoul(mname, &p, 0); 8397b6ab19dSGarrett Wollman if (*p != '\0' || mask > 32) 8407b6ab19dSGarrett Wollman return 0; 8417b6ab19dSGarrett Wollman mask = 0xffffffff << (32-mask); 8427b6ab19dSGarrett Wollman } 8437b6ab19dSGarrett Wollman 8447b6ab19dSGarrett Wollman rt->n_dst = htonl(in.s_addr); 8457b6ab19dSGarrett Wollman rt->n_family = RIP_AF_INET; 8467b6ab19dSGarrett Wollman rt->n_mask = htonl(mask); 8477b6ab19dSGarrett Wollman return 1; 8487b6ab19dSGarrett Wollman } 849d5b718b3SGarrett Wollman 850d5b718b3SGarrett Wollman 851d5b718b3SGarrett Wollman /* strtok(), but honoring backslash 852d5b718b3SGarrett Wollman */ 853d5b718b3SGarrett Wollman static int /* -1=bad */ 854d5b718b3SGarrett Wollman parse_quote(char **linep, 8552c7a9781SMark Murray const char *delims, 856d5b718b3SGarrett Wollman char *delimp, 857d5b718b3SGarrett Wollman char *buf, 858d5b718b3SGarrett Wollman int lim) 859d5b718b3SGarrett Wollman { 8602c7a9781SMark Murray char c, *pc; 8612c7a9781SMark Murray const char *p; 862d5b718b3SGarrett Wollman 863d5b718b3SGarrett Wollman 864d5b718b3SGarrett Wollman pc = *linep; 865d5b718b3SGarrett Wollman if (*pc == '\0') 866d5b718b3SGarrett Wollman return -1; 867d5b718b3SGarrett Wollman 868d5b718b3SGarrett Wollman for (;;) { 869d5b718b3SGarrett Wollman if (lim == 0) 870d5b718b3SGarrett Wollman return -1; 871d5b718b3SGarrett Wollman c = *pc++; 872d5b718b3SGarrett Wollman if (c == '\0') 873d5b718b3SGarrett Wollman break; 874d5b718b3SGarrett Wollman 8756f48600eSPoul-Henning Kamp if (c == '\\' && *pc != '\0') { 876d5b718b3SGarrett Wollman if ((c = *pc++) == 'n') { 877d5b718b3SGarrett Wollman c = '\n'; 878d5b718b3SGarrett Wollman } else if (c == 'r') { 879d5b718b3SGarrett Wollman c = '\r'; 880d5b718b3SGarrett Wollman } else if (c == 't') { 881d5b718b3SGarrett Wollman c = '\t'; 882d5b718b3SGarrett Wollman } else if (c == 'b') { 883d5b718b3SGarrett Wollman c = '\b'; 884d5b718b3SGarrett Wollman } else if (c >= '0' && c <= '7') { 885d5b718b3SGarrett Wollman c -= '0'; 886d5b718b3SGarrett Wollman if (*pc >= '0' && *pc <= '7') { 887d5b718b3SGarrett Wollman c = (c<<3)+(*pc++ - '0'); 888d5b718b3SGarrett Wollman if (*pc >= '0' && *pc <= '7') 889d5b718b3SGarrett Wollman c = (c<<3)+(*pc++ - '0'); 890d5b718b3SGarrett Wollman } 891d5b718b3SGarrett Wollman } 892d5b718b3SGarrett Wollman 893d5b718b3SGarrett Wollman } else { 894d5b718b3SGarrett Wollman for (p = delims; *p != '\0'; ++p) { 895d5b718b3SGarrett Wollman if (*p == c) 896d5b718b3SGarrett Wollman goto exit; 897d5b718b3SGarrett Wollman } 898d5b718b3SGarrett Wollman } 899d5b718b3SGarrett Wollman 900d5b718b3SGarrett Wollman *buf++ = c; 901d5b718b3SGarrett Wollman --lim; 902d5b718b3SGarrett Wollman } 903d5b718b3SGarrett Wollman exit: 904d5b718b3SGarrett Wollman if (delimp != 0) 905d5b718b3SGarrett Wollman *delimp = c; 906d5b718b3SGarrett Wollman *linep = pc-1; 907d5b718b3SGarrett Wollman if (lim != 0) 908d5b718b3SGarrett Wollman *buf = '\0'; 909d5b718b3SGarrett Wollman return 0; 910d5b718b3SGarrett Wollman } 911