dump.c revision 1.7
1 /* $NetBSD: dump.c,v 1.7 2006/03/05 23:47:08 rpaulo Exp $ */ 2 /* $KAME: dump.c,v 1.34 2004/06/14 05:35:59 itojun Exp $ */ 3 4 /* 5 * Copyright (C) 2000 WIDE Project. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the project nor the names of its contributors 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 PROJECT 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 PROJECT 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 #include <sys/types.h> 33 #include <sys/socket.h> 34 #include <sys/queue.h> 35 36 #include <net/if.h> 37 #include <net/if_dl.h> 38 39 #include <netinet/in.h> 40 41 /* XXX: the following two are non-standard include files */ 42 #include <netinet6/in6_var.h> 43 #include <netinet6/nd6.h> 44 45 #include <arpa/inet.h> 46 47 #include <time.h> 48 #include <stdio.h> 49 #include <stdarg.h> 50 #include <syslog.h> 51 #include <string.h> 52 #include <errno.h> 53 #include <netdb.h> 54 55 #include "rtadvd.h" 56 #include "timer.h" 57 #include "if.h" 58 #include "dump.h" 59 60 static FILE *fp; 61 62 extern struct rainfo *ralist; 63 64 static char *ether_str __P((struct sockaddr_dl *)); 65 static void if_dump __P((void)); 66 67 static char *rtpref_str[] = { 68 "medium", /* 00 */ 69 "high", /* 01 */ 70 "rsv", /* 10 */ 71 "low" /* 11 */ 72 }; 73 74 static char * 75 ether_str(sdl) 76 struct sockaddr_dl *sdl; 77 { 78 static char hbuf[NI_MAXHOST]; 79 80 if (sdl->sdl_alen) { 81 if (getnameinfo((struct sockaddr *)sdl, sdl->sdl_len, 82 hbuf, sizeof(hbuf), NULL, 0, NI_NUMERICHOST) != 0) 83 snprintf(hbuf, sizeof(hbuf), "<invalid>"); 84 } else 85 snprintf(hbuf, sizeof(hbuf), "NONE"); 86 87 return(hbuf); 88 } 89 90 static void 91 if_dump() 92 { 93 struct rainfo *rai; 94 struct prefix *pfx; 95 #ifdef ROUTEINFO 96 struct rtinfo *rti; 97 #endif 98 char prefixbuf[INET6_ADDRSTRLEN]; 99 int first; 100 struct timeval now; 101 102 gettimeofday(&now, NULL); /* XXX: unused in most cases */ 103 for (rai = ralist; rai; rai = rai->next) { 104 fprintf(fp, "%s:\n", rai->ifname); 105 106 fprintf(fp, " Status: %s\n", 107 (iflist[rai->ifindex]->ifm_flags & IFF_UP) ? "UP" : 108 "DOWN"); 109 110 /* control information */ 111 if (rai->lastsent.tv_sec) { 112 /* note that ctime() appends CR by itself */ 113 fprintf(fp, " Last RA sent: %s", 114 ctime((time_t *)&rai->lastsent.tv_sec)); 115 } 116 if (rai->timer) { 117 fprintf(fp, " Next RA will be sent: %s", 118 ctime((time_t *)&rai->timer->tm.tv_sec)); 119 } 120 else 121 fprintf(fp, " RA timer is stopped"); 122 fprintf(fp, " waits: %d, initcount: %d\n", 123 rai->waiting, rai->initcounter); 124 125 /* statistics */ 126 fprintf(fp, " statistics: RA(out/in/inconsistent): " 127 "%llu/%llu/%llu, ", 128 (unsigned long long)rai->raoutput, 129 (unsigned long long)rai->rainput, 130 (unsigned long long)rai->rainconsistent); 131 fprintf(fp, "RS(input): %llu\n", 132 (unsigned long long)rai->rsinput); 133 134 /* interface information */ 135 if (rai->advlinkopt) 136 fprintf(fp, " Link-layer address: %s\n", 137 ether_str(rai->sdl)); 138 fprintf(fp, " MTU: %d\n", rai->phymtu); 139 140 /* Router configuration variables */ 141 fprintf(fp, " DefaultLifetime: %d, MaxAdvInterval: %d, " 142 "MinAdvInterval: %d\n", rai->lifetime, rai->maxinterval, 143 rai->mininterval); 144 fprintf(fp, " Flags: %s%s%s, ", 145 rai->managedflg ? "M" : "", rai->otherflg ? "O" : "", 146 ""); 147 fprintf(fp, "Preference: %s, ", 148 rtpref_str[(rai->rtpref >> 3) & 0xff]); 149 fprintf(fp, "MTU: %d\n", rai->linkmtu); 150 fprintf(fp, " ReachableTime: %d, RetransTimer: %d, " 151 "CurHopLimit: %d\n", rai->reachabletime, 152 rai->retranstimer, rai->hoplimit); 153 if (rai->clockskew) 154 fprintf(fp, " Clock skew: %ldsec\n", 155 rai->clockskew); 156 for (first = 1, pfx = rai->prefix.next; pfx != &rai->prefix; 157 pfx = pfx->next) { 158 if (first) { 159 fprintf(fp, " Prefixes:\n"); 160 first = 0; 161 } 162 fprintf(fp, " %s/%d(", 163 inet_ntop(AF_INET6, &pfx->prefix, prefixbuf, 164 sizeof(prefixbuf)), pfx->prefixlen); 165 switch (pfx->origin) { 166 case PREFIX_FROM_KERNEL: 167 fprintf(fp, "KERNEL, "); 168 break; 169 case PREFIX_FROM_CONFIG: 170 fprintf(fp, "CONFIG, "); 171 break; 172 case PREFIX_FROM_DYNAMIC: 173 fprintf(fp, "DYNAMIC, "); 174 break; 175 } 176 if (pfx->validlifetime == ND6_INFINITE_LIFETIME) 177 fprintf(fp, "vltime: infinity"); 178 else 179 fprintf(fp, "vltime: %ld", 180 (long)pfx->validlifetime); 181 if (pfx->vltimeexpire != 0) 182 fprintf(fp, "(decr,expire %ld), ", (long) 183 pfx->vltimeexpire > now.tv_sec ? 184 pfx->vltimeexpire - now.tv_sec : 0); 185 else 186 fprintf(fp, ", "); 187 if (pfx->preflifetime == ND6_INFINITE_LIFETIME) 188 fprintf(fp, "pltime: infinity"); 189 else 190 fprintf(fp, "pltime: %ld", 191 (long)pfx->preflifetime); 192 if (pfx->pltimeexpire != 0) 193 fprintf(fp, "(decr,expire %ld), ", (long) 194 pfx->pltimeexpire > now.tv_sec ? 195 pfx->pltimeexpire - now.tv_sec : 0); 196 else 197 fprintf(fp, ", "); 198 fprintf(fp, "flags: %s%s%s", 199 pfx->onlinkflg ? "L" : "", 200 pfx->autoconfflg ? "A" : "", 201 ""); 202 if (pfx->timer) { 203 struct timeval *rest; 204 205 rest = rtadvd_timer_rest(pfx->timer); 206 if (rest) { /* XXX: what if not? */ 207 fprintf(fp, ", expire in: %ld", 208 (long)rest->tv_sec); 209 } 210 } 211 fprintf(fp, ")\n"); 212 } 213 #ifdef ROUTEINFO 214 for (first = 1, rti = rai->route.next; rti != &rai->route; 215 rti = rti->next) { 216 if (first) { 217 fprintf(fp, " Route Information:\n"); 218 first = 0; 219 } 220 fprintf(fp, " %s/%d (", 221 inet_ntop(AF_INET6, &rti->prefix, 222 prefixbuf, sizeof(prefixbuf)), 223 rti->prefixlen); 224 fprintf(fp, "preference: %s, ", 225 rtpref_str[0xff & (rti->rtpref >> 3)]); 226 if (rti->ltime == ND6_INFINITE_LIFETIME) 227 fprintf(fp, "lifetime: infinity"); 228 else 229 fprintf(fp, "lifetime: %ld", (long)rti->ltime); 230 fprintf(fp, ")\n"); 231 } 232 #endif 233 } 234 } 235 236 void 237 rtadvd_dump_file(dumpfile) 238 char *dumpfile; 239 { 240 syslog(LOG_DEBUG, "<%s> dump current status to %s", __func__, 241 dumpfile); 242 243 if ((fp = fopen(dumpfile, "w")) == NULL) { 244 syslog(LOG_WARNING, "<%s> open a dump file(%s)", 245 __func__, dumpfile); 246 return; 247 } 248 249 if_dump(); 250 251 fclose(fp); 252 } 253
Indexes created Tue Sep 30 11:09:46 GMT 2025