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 1.5 2005/02/17 14:00:10 joerg 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(sdl)
  86         struct sockaddr_dl *sdl;
  87 {
  88         static char ebuf[32];
  89         u_char *cp;
  90
  91         if (sdl->sdl_alen && sdl->sdl_alen > 5) {
  92                 cp = (u_char *)LLADDR(sdl);
  93                 sprintf(ebuf, "%x:%x:%x:%x:%x:%x",
  94                         cp[0], cp[1], cp[2], cp[3], cp[4], cp[5]);
  95         }
  96         else {
  97                 sprintf(ebuf, "NONE");
  98         }
  99
 100         return(ebuf);
 101 }
 102
 103 static void
 104 if_dump()
 105 {
 106         struct rainfo *rai;
 107         struct prefix *pfx;
 108         char prefixbuf[INET6_ADDRSTRLEN];
 109         int first;
 110         struct timeval now;
 111
 112         gettimeofday(&now, NULL); /* XXX: unused in most cases */
 113         for (rai = ralist; rai; rai = rai->next) {
 114                 fprintf(fp, "%s:\n", rai->ifname);
 115
 116                 fprintf(fp, "  Status: %s\n",
 117                         (iflist[rai->ifindex]->ifm_flags & IFF_UP) ? "UP" :
 118                         "DOWN");
 119
 120                 /* control information */
 121                 if (rai->lastsent.tv_sec) {
 122                         /* note that ctime() appends CR by itself */
 123                         fprintf(fp, "  Last RA sent: %s",
 124                                 ctime((time_t *)&rai->lastsent.tv_sec));
 125                 }
 126                 if (rai->timer) {
 127                         fprintf(fp, "  Next RA will be sent: %s",
 128                                 ctime((time_t *)&rai->timer->tm.tv_sec));
 129                 }
 130                 else
 131                         fprintf(fp, "  RA timer is stopped");
 132                 fprintf(fp, "  waits: %d, initcount: %d\n",
 133                         rai->waiting, rai->initcounter);
 134
 135                 /* statistics */
 136                 fprintf(fp,
 137                         "  statistics: RA(out/in/inconsistent): "
 138                         LONGLONG "/" LONGLONG "/" LONGLONG ", ",
 139                         (unsigned long long)rai->raoutput,
 140                         (unsigned long long)rai->rainput,
 141                         (unsigned long long)rai->rainconsistent);
 142                 fprintf(fp, "RS(input): " LONGLONG "\n",
 143                         (unsigned long long)rai->rsinput);
 144
 145                 /* interface information */
 146                 if (rai->advlinkopt)
 147                         fprintf(fp, "  Link-layer address: %s\n",
 148                                 ether_str(rai->sdl));
 149                 fprintf(fp, "  MTU: %d\n", rai->phymtu);
 150
 151                 /* Router configuration variables */
 152                 fprintf(fp,
 153                         "  DefaultLifetime: %d, MaxAdvInterval: %d, "
 154                         "MinAdvInterval: %d\n",
 155                         rai->lifetime, rai->maxinterval, rai->mininterval);
 156                 fprintf(fp, "  Flags: %s%s%s, ",
 157                         rai->managedflg ? "M" : "", rai->otherflg ? "O" : "",
 158 #ifdef MIP6
 159                         rai->haflg ? "H" :
 160 #endif
 161                         "");
 162                 fprintf(fp, "Preference: %s, ",
 163                         rtpref_str[(rai->rtpref >> 3) & 0xff]);
 164                 fprintf(fp, "MTU: %d\n", rai->linkmtu);
 165                 fprintf(fp, "  ReachableTime: %d, RetransTimer: %d, "
 166                         "CurHopLimit: %d\n", rai->reachabletime,
 167                         rai->retranstimer, rai->hoplimit);
 168 #ifdef MIP6
 169                 fprintf(fp, "  HAPreference: %d, HALifetime: %d\n",
 170                         rai->hapref, rai->hatime);
 171 #endif
 172
 173                 if (rai->clockskew)
 174                         fprintf(fp, "  Clock skew: %ldsec\n",
 175                                 rai->clockskew);
 176                 for (first = 1, pfx = rai->prefix.next; pfx != &rai->prefix;
 177                      pfx = pfx->next) {
 178                         if (first) {
 179                                 fprintf(fp, "  Prefixes:\n");
 180                                 first = 0;
 181                         }
 182                         fprintf(fp, "    %s/%d(",
 183                                 inet_ntop(AF_INET6, &pfx->prefix,
 184                                           prefixbuf, sizeof(prefixbuf)),
 185                                 pfx->prefixlen);
 186                         switch(pfx->origin) {
 187                         case PREFIX_FROM_KERNEL:
 188                                 fprintf(fp, "KERNEL, ");
 189                                 break;
 190                         case PREFIX_FROM_CONFIG:
 191                                 fprintf(fp, "CONFIG, ");
 192                                 break;
 193                         case PREFIX_FROM_DYNAMIC:
 194                                 fprintf(fp, "DYNAMIC, ");
 195                                 break;
 196                         }
 197                         if (pfx->validlifetime == ND6_INFINITE_LIFETIME)
 198                                 fprintf(fp, "vltime: infinity");
 199                         else
 200                                 fprintf(fp, "vltime: %ld",
 201                                         (long)pfx->validlifetime);
 202                         if (pfx->vltimeexpire != 0)
 203                                 fprintf(fp, "(decr,expire %ld), ", (long)
 204                                         pfx->vltimeexpire > now.tv_sec ?
 205                                         pfx->vltimeexpire - now.tv_sec : 0);
 206                         else
 207                                 fprintf(fp, ", ");
 208                         if (pfx->preflifetime ==  ND6_INFINITE_LIFETIME)
 209                                 fprintf(fp, "pltime: infinity");
 210                         else
 211                                 fprintf(fp, "pltime: %ld",
 212                                         (long)pfx->preflifetime);
 213                         if (pfx->pltimeexpire != 0)
 214                                 fprintf(fp, "(decr,expire %ld), ", (long)
 215                                         pfx->pltimeexpire > now.tv_sec ?
 216                                         pfx->pltimeexpire - now.tv_sec : 0);
 217                         else
 218                                 fprintf(fp, ", ");
 219                         fprintf(fp, "flags: %s%s%s",
 220                                 pfx->onlinkflg ? "L" : "",
 221                                 pfx->autoconfflg ? "A" : "",
 222 #ifdef MIP6
 223                                 pfx->routeraddr ? "R" :
 224 #endif
 225                                 "");
 226                         if (pfx->timer) {
 227                                 struct timeval *rest;
 228
 229                                 rest = rtadvd_timer_rest(pfx->timer);
 230                                 if (rest) { /* XXX: what if not? */
 231                                         fprintf(fp, ", expire in: %ld",
 232                                             (long)rest->tv_sec);
 233                                 }
 234                         }
 235                         fprintf(fp, ")\n");
 236                 }
 237         }
 238 }
 239
 240 void
 241 rtadvd_dump_file(dumpfile)
 242         char *dumpfile;
 243 {
 244         if ((fp = fopen(dumpfile, "w")) == NULL) {
 245                 syslog(LOG_WARNING, "<%s> open a dump file(%s)",
 246                        __func__, dumpfile);
 247                 return;
 248         }
 249
 250         if_dump();
 251
 252         fclose(fp);
 253 }