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 *
ether_str(struct sockaddr_dl * sdl)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
if_dump(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
rtadvd_dump_file(char * dumpfile)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 }
252