1 /* $NetBSD: dump.c,v 1.2 2000/07/06 12:37:56 itojun Exp $ */ 2 /* $KAME: dump.c,v 1.11 2000/05/27 11:30:43 jinmei 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 35 #include <net/if.h> 36 #if defined(__FreeBSD__) && __FreeBSD__ >= 3 37 #include <net/if_var.h> 38 #endif /* __FreeBSD__ >= 3 */ 39 #include <net/if_dl.h> 40 41 #include <netinet/in.h> 42 43 /* XXX: the following two are non-standard include files */ 44 #include <netinet6/in6_var.h> 45 #include <netinet6/nd6.h> 46 47 #include <arpa/inet.h> 48 49 #include <time.h> 50 #include <stdio.h> 51 #include <stdarg.h> 52 #include <syslog.h> 53 #include <string.h> 54 #include <errno.h> 55 56 #include "rtadvd.h" 57 #include "timer.h" 58 #include "if.h" 59 #include "dump.h" 60 61 static FILE *fp; 62 63 extern struct rainfo *ralist; 64 65 static char *ether_str __P((struct sockaddr_dl *)); 66 static void if_dump __P((void)); 67 68 #ifdef __FreeBSD__ /* XXX: see PORTABILITY */ 69 #define LONGLONG "%qu" 70 #else 71 #define LONGLONG "%llu" 72 #endif 73 74 static char * 75 ether_str(sdl) 76 struct sockaddr_dl *sdl; 77 { 78 static char ebuf[32]; 79 u_char *cp; 80 81 if (sdl->sdl_alen && sdl->sdl_alen > 5) { 82 cp = (u_char *)LLADDR(sdl); 83 sprintf(ebuf, "%x:%x:%x:%x:%x:%x", 84 cp[0], cp[1], cp[2], cp[3], cp[4], cp[5]); 85 } 86 else { 87 sprintf(ebuf, "NONE"); 88 } 89 90 return(ebuf); 91 } 92 93 static void 94 if_dump() 95 { 96 struct rainfo *rai; 97 struct prefix *pfx; 98 char prefixbuf[INET6_ADDRSTRLEN]; 99 int first; 100 101 for (rai = ralist; rai; rai = rai->next) { 102 fprintf(fp, "%s:\n", rai->ifname); 103 104 fprintf(fp, " Status: %s\n", 105 (iflist[rai->ifindex]->ifm_flags & IFF_UP) ? "UP" : 106 "DOWN"); 107 108 /* control information */ 109 if (rai->lastsent.tv_sec) { 110 /* note that ctime() appends CR by itself */ 111 fprintf(fp, " Last RA sent: %s", 112 ctime((time_t *)&rai->lastsent.tv_sec)); 113 } 114 if (rai->timer) { 115 fprintf(fp, " Next RA will be sent: %s", 116 ctime((time_t *)&rai->timer->tm.tv_sec)); 117 } 118 else 119 fprintf(fp, " RA timer is stopped"); 120 fprintf(fp, " waits: %d, initcount: %d\n", 121 rai->waiting, rai->initcounter); 122 123 /* statistics */ 124 fprintf(fp, 125 " statistics: RA(out/in/inconsistent): " 126 LONGLONG "/" LONGLONG "/" LONGLONG ", ", 127 (unsigned long long)rai->raoutput, 128 (unsigned long long)rai->rainput, 129 (unsigned long long)rai->rainconsistent); 130 fprintf(fp, "RS(input): " LONGLONG "\n", 131 (unsigned long long)rai->rsinput); 132 133 /* interface information */ 134 if (rai->advlinkopt) 135 fprintf(fp, " Link-layer address: %s\n", 136 ether_str(rai->sdl)); 137 fprintf(fp, " MTU: %d\n", rai->phymtu); 138 139 /* Router configuration variables */ 140 fprintf(fp, 141 " DefaultLifetime: %d, MaxAdvInterval: %d, " 142 "MinAdvInterval: %d\n", 143 rai->lifetime, rai->maxinterval, rai->mininterval); 144 fprintf(fp, " Flags: %s%s%s MTU: %d\n", 145 rai->managedflg ? "M" : "", rai->otherflg ? "O" : "", 146 #ifdef MIP6 147 rai->haflg ? "H" : 148 #endif 149 "", rai->linkmtu); 150 fprintf(fp, " ReachableTime: %d, RetransTimer: %d, " 151 "CurHopLimit: %d\n", rai->reachabletime, 152 rai->retranstimer, rai->hoplimit); 153 #ifdef MIP6 154 fprintf(fp, " HAPreference: %d, HALifetime: %d\n", 155 rai->hapref, rai->hatime); 156 #endif 157 158 for (first = 1, pfx = rai->prefix.next; pfx != &rai->prefix; 159 pfx = pfx->next) { 160 if (first) { 161 fprintf(fp, " Prefixes:\n"); 162 first = 0; 163 } 164 fprintf(fp, " %s/%d(", 165 inet_ntop(AF_INET6, &pfx->prefix, 166 prefixbuf, sizeof(prefixbuf)), 167 pfx->prefixlen); 168 switch(pfx->origin) { 169 case PREFIX_FROM_KERNEL: 170 fprintf(fp, "KERNEL, "); 171 break; 172 case PREFIX_FROM_CONFIG: 173 fprintf(fp, "CONFIG, "); 174 break; 175 case PREFIX_FROM_DYNAMIC: 176 fprintf(fp, "DYNAMIC, "); 177 break; 178 } 179 if (pfx->validlifetime == ND6_INFINITE_LIFETIME) 180 fprintf(fp, "vltime: infinity, "); 181 else 182 fprintf(fp, "vltime: %ld, ", 183 (long)pfx->validlifetime); 184 if (pfx->preflifetime == ND6_INFINITE_LIFETIME) 185 fprintf(fp, "pltime: infinity, "); 186 else 187 fprintf(fp, "pltime: %ld, ", 188 (long)pfx->preflifetime); 189 fprintf(fp, "flags: %s%s%s", 190 pfx->onlinkflg ? "L" : "", 191 pfx->autoconfflg ? "A" : "", 192 #ifdef MIP6 193 pfx->routeraddr ? "R" : 194 #endif 195 ""); 196 fprintf(fp, ")\n"); 197 } 198 } 199 } 200 201 void 202 rtadvd_dump_file(dumpfile) 203 char *dumpfile; 204 { 205 if ((fp = fopen(dumpfile, "w")) == NULL) { 206 syslog(LOG_WARNING, "<%s> open a dump file(%s)", 207 __FUNCTION__, dumpfile); 208 return; 209 } 210 211 if_dump(); 212 213 fclose(fp); 214 } 215