usr.sbin/rtadvd/dump.c

   1 /*      $KAME: dump.c,v 1.16 2001/03/21 17:41:13 jinmei Exp $   */
   2
   3 /*
   4  * Copyright (C) 2000 WIDE Project.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the project nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  *
  31  * $FreeBSD: src/usr.sbin/rtadvd/dump.c,v 1.1.2.3 2002/06/29 18:59:53 ume Exp $
  32  * $DragonFly: src/usr.sbin/rtadvd/dump.c,v 1.6 2005/12/05 00:56:37 swildner Exp $
  33  */
  34 #include <sys/types.h>
  35 #include <sys/socket.h>
  36 #include <sys/queue.h>
  37
  38 #include <net/if.h>
  39 #if defined(__DragonFly__)
  40 #include <net/if_var.h>
  41 #endif /* __DragonFly__ */
  42 #include <net/if_dl.h>
  43
  44 #include <netinet/in.h>
  45
  46 /* XXX: the following two are non-standard include files */
  47 #include <netinet6/in6_var.h>
  48 #include <netinet6/nd6.h>
  49
  50 #include <arpa/inet.h>
  51
  52 #include <time.h>
  53 #include <stdio.h>
  54 #include <stdarg.h>
  55 #include <syslog.h>
  56 #include <string.h>
  57 #include <errno.h>
  58
  59 #include "rtadvd.h"
  60 #include "timer.h"
  61 #include "if.h"
  62 #include "dump.h"
  63
  64 static FILE *fp;
  65
  66 extern struct rainfo *ralist;
  67
  68 static char *ether_str(struct sockaddr_dl *);
  69 static void if_dump(void);
  70
  71 #ifdef __DragonFly__            /* XXX: see PORTABILITY */
  72 #define LONGLONG "%qu"
  73 #else
  74 #define LONGLONG "%llu"
  75 #endif
  76
  77 static char *rtpref_str[] = {
  78         "medium",               /* 00 */
  79         "high",                 /* 01 */
  80         "rsv",                  /* 10 */
  81         "low"                   /* 11 */
  82 };
  83
  84 static char *
  85 ether_str(struct sockaddr_dl *sdl)
  86 {
  87         static char ebuf[32];
  88         u_char *cp;
  89
  90         if (sdl->sdl_alen && sdl->sdl_alen > 5) {
  91                 cp = (u_char *)LLADDR(sdl);
  92                 sprintf(ebuf, "%x:%x:%x:%x:%x:%x",
  93                         cp[0], cp[1], cp[2], cp[3], cp[4], cp[5]);
  94         }
  95         else {
  96                 sprintf(ebuf, "NONE");
  97         }
  98
  99         return(ebuf);
 100 }
 101
 102 static void
 103 if_dump(void)
 104 {
 105         struct rainfo *rai;
 106         struct prefix *pfx;
 107         char prefixbuf[INET6_ADDRSTRLEN];
 108         int first;
 109         struct timeval now;
 110
 111         gettimeofday(&now, NULL); /* XXX: unused in most cases */
 112         for (rai = ralist; rai; rai = rai->next) {
 113                 fprintf(fp, "%s:\n", rai->ifname);
 114
 115                 fprintf(fp, "  Status: %s\n",
 116                         (iflist[rai->ifindex]->ifm_flags & IFF_UP) ? "UP" :
 117                         "DOWN");
 118
 119                 /* control information */
 120                 if (rai->lastsent.tv_sec) {
 121                         /* note that ctime() appends CR by itself */
 122                         fprintf(fp, "  Last RA sent: %s",
 123                                 ctime((time_t *)&rai->lastsent.tv_sec));
 124                 }
 125                 if (rai->timer) {
 126                         fprintf(fp, "  Next RA will be sent: %s",
 127                                 ctime((time_t *)&rai->timer->tm.tv_sec));
 128                 }
 129                 else
 130                         fprintf(fp, "  RA timer is stopped");
 131                 fprintf(fp, "  waits: %d, initcount: %d\n",
 132                         rai->waiting, rai->initcounter);
 133
 134                 /* statistics */
 135                 fprintf(fp,
 136                         "  statistics: RA(out/in/inconsistent): "
 137                         LONGLONG "/" LONGLONG "/" LONGLONG ", ",
 138                         (unsigned long long)rai->raoutput,
 139                         (unsigned long long)rai->rainput,
 140                         (unsigned long long)rai->rainconsistent);
 141                 fprintf(fp, "RS(input): " LONGLONG "\n",
 142                         (unsigned long long)rai->rsinput);
 143
 144                 /* interface information */
 145                 if (rai->advlinkopt)
 146                         fprintf(fp, "  Link-layer address: %s\n",
 147                                 ether_str(rai->sdl));
 148                 fprintf(fp, "  MTU: %d\n", rai->phymtu);
 149
 150                 /* Router configuration variables */
 151                 fprintf(fp,
 152                         "  DefaultLifetime: %d, MaxAdvInterval: %d, "
 153                         "MinAdvInterval: %d\n",
 154                         rai->lifetime, rai->maxinterval, rai->mininterval);
 155                 fprintf(fp, "  Flags: %s%s%s, ",
 156                         rai->managedflg ? "M" : "", rai->otherflg ? "O" : "",
 157 #ifdef MIP6
 158                         rai->haflg ? "H" :
 159 #endif
 160                         "");
 161                 fprintf(fp, "Preference: %s, ",
 162                         rtpref_str[(rai->rtpref >> 3) & 0xff]);
 163                 fprintf(fp, "MTU: %d\n", rai->linkmtu);
 164                 fprintf(fp, "  ReachableTime: %d, RetransTimer: %d, "
 165                         "CurHopLimit: %d\n", rai->reachabletime,
 166                         rai->retranstimer, rai->hoplimit);
 167 #ifdef MIP6
 168                 fprintf(fp, "  HAPreference: %d, HALifetime: %d\n",
 169                         rai->hapref, rai->hatime);
 170 #endif
 171
 172                 if (rai->clockskew)
 173                         fprintf(fp, "  Clock skew: %ldsec\n",
 174                                 rai->clockskew);
 175                 for (first = 1, pfx = rai->prefix.next; pfx != &rai->prefix;
 176                      pfx = pfx->next) {
 177                         if (first) {
 178                                 fprintf(fp, "  Prefixes:\n");
 179                                 first = 0;
 180                         }
 181                         fprintf(fp, "    %s/%d(",
 182                                 inet_ntop(AF_INET6, &pfx->prefix,
 183                                           prefixbuf, sizeof(prefixbuf)),
 184                                 pfx->prefixlen);
 185                         switch(pfx->origin) {
 186                         case PREFIX_FROM_KERNEL:
 187                                 fprintf(fp, "KERNEL, ");
 188                                 break;
 189                         case PREFIX_FROM_CONFIG:
 190                                 fprintf(fp, "CONFIG, ");
 191                                 break;
 192                         case PREFIX_FROM_DYNAMIC:
 193                                 fprintf(fp, "DYNAMIC, ");
 194                                 break;
 195                         }
 196                         if (pfx->validlifetime == ND6_INFINITE_LIFETIME)
 197                                 fprintf(fp, "vltime: infinity");
 198                         else
 199                                 fprintf(fp, "vltime: %ld",
 200                                         (long)pfx->validlifetime);
 201                         if (pfx->vltimeexpire != 0)
 202                                 fprintf(fp, "(decr,expire %ld), ", (long)
 203                                         pfx->vltimeexpire > now.tv_sec ?
 204                                         pfx->vltimeexpire - now.tv_sec : 0);
 205                         else
 206                                 fprintf(fp, ", ");
 207                         if (pfx->preflifetime ==  ND6_INFINITE_LIFETIME)
 208                                 fprintf(fp, "pltime: infinity");
 209                         else
 210                                 fprintf(fp, "pltime: %ld",
 211                                         (long)pfx->preflifetime);
 212                         if (pfx->pltimeexpire != 0)
 213                                 fprintf(fp, "(decr,expire %ld), ", (long)
 214                                         pfx->pltimeexpire > now.tv_sec ?
 215                                         pfx->pltimeexpire - now.tv_sec : 0);
 216                         else
 217                                 fprintf(fp, ", ");
 218                         fprintf(fp, "flags: %s%s%s",
 219                                 pfx->onlinkflg ? "L" : "",
 220                                 pfx->autoconfflg ? "A" : "",
 221 #ifdef MIP6
 222                                 pfx->routeraddr ? "R" :
 223 #endif
 224                                 "");
 225                         if (pfx->timer) {
 226                                 struct timeval *rest;
 227
 228                                 rest = rtadvd_timer_rest(pfx->timer);
 229                                 if (rest) { /* XXX: what if not? */
 230                                         fprintf(fp, ", expire in: %ld",
 231                                             (long)rest->tv_sec);
 232                                 }
 233                         }
 234                         fprintf(fp, ")\n");
 235                 }
 236         }
 237 }
 238
 239 void
 240 rtadvd_dump_file(char *dumpfile)
 241 {
 242         if ((fp = fopen(dumpfile, "w")) == NULL) {
 243                 syslog(LOG_WARNING, "<%s> open a dump file(%s)",
 244                        __func__, dumpfile);
 245                 return;
 246         }
 247
 248         if_dump();
 249
 250         fclose(fp);
 251 }