]>
Commit | Line | Data |
---|---|---|
718e3744 | 1 | /* |
2 | * OSPFd main routine. | |
3 | * Copyright (C) 1998, 99 Kunihiro Ishiguro, Toshiaki Takada | |
4 | * | |
5 | * This file is part of GNU Zebra. | |
6 | * | |
7 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
8 | * under the terms of the GNU General Public License as published by the | |
9 | * Free Software Foundation; either version 2, or (at your option) any | |
10 | * later version. | |
11 | * | |
12 | * GNU Zebra is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with GNU Zebra; see the file COPYING. If not, write to the Free | |
19 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
20 | * 02111-1307, USA. | |
21 | */ | |
22 | ||
23 | #include <zebra.h> | |
24 | ||
5e4fa164 | 25 | #include <lib/version.h> |
718e3744 | 26 | #include "getopt.h" |
27 | #include "thread.h" | |
28 | #include "prefix.h" | |
29 | #include "linklist.h" | |
30 | #include "if.h" | |
31 | #include "vector.h" | |
32 | #include "vty.h" | |
33 | #include "command.h" | |
34 | #include "filter.h" | |
35 | #include "plist.h" | |
36 | #include "stream.h" | |
37 | #include "log.h" | |
38 | #include "memory.h" | |
edd7c245 | 39 | #include "privs.h" |
2d75d052 | 40 | #include "sigevent.h" |
718e3744 | 41 | |
42 | #include "ospfd/ospfd.h" | |
43 | #include "ospfd/ospf_interface.h" | |
44 | #include "ospfd/ospf_asbr.h" | |
45 | #include "ospfd/ospf_lsa.h" | |
46 | #include "ospfd/ospf_lsdb.h" | |
47 | #include "ospfd/ospf_neighbor.h" | |
48 | #include "ospfd/ospf_dump.h" | |
49 | #include "ospfd/ospf_zebra.h" | |
50 | #include "ospfd/ospf_vty.h" | |
51 | ||
edd7c245 | 52 | /* ospfd privileges */ |
53 | zebra_capabilities_t _caps_p [] = | |
54 | { | |
55 | ZCAP_RAW, | |
56 | ZCAP_BIND, | |
57 | ZCAP_BROADCAST, | |
58 | ZCAP_ADMIN, | |
59 | }; | |
60 | ||
61 | struct zebra_privs_t ospfd_privs = | |
62 | { | |
d81fadfd | 63 | #if defined(QUAGGA_USER) && defined(QUAGGA_GROUP) |
64 | .user = QUAGGA_USER, | |
65 | .group = QUAGGA_GROUP, | |
edd7c245 | 66 | #endif |
67 | #if defined(VTY_GROUP) | |
68 | .vty_group = VTY_GROUP, | |
69 | #endif | |
70 | .caps_p = _caps_p, | |
71 | .cap_num_p = sizeof(_caps_p)/sizeof(_caps_p[0]), | |
72 | .cap_num_i = 0 | |
73 | }; | |
74 | ||
718e3744 | 75 | /* Configuration filename and directory. */ |
718e3744 | 76 | char config_default[] = SYSCONFDIR OSPF_DEFAULT_CONFIG; |
77 | ||
78 | /* OSPFd options. */ | |
79 | struct option longopts[] = | |
80 | { | |
81 | { "daemon", no_argument, NULL, 'd'}, | |
82 | { "config_file", required_argument, NULL, 'f'}, | |
83 | { "pid_file", required_argument, NULL, 'i'}, | |
84 | { "log_mode", no_argument, NULL, 'l'}, | |
85 | { "help", no_argument, NULL, 'h'}, | |
86 | { "vty_addr", required_argument, NULL, 'A'}, | |
87 | { "vty_port", required_argument, NULL, 'P'}, | |
edd7c245 | 88 | { "user", required_argument, NULL, 'u'}, |
c065230a | 89 | { "group", required_argument, NULL, 'g'}, |
c3abdb72 | 90 | { "apiserver", no_argument, NULL, 'a'}, |
718e3744 | 91 | { "version", no_argument, NULL, 'v'}, |
92 | { 0 } | |
93 | }; | |
94 | ||
95 | /* OSPFd program name */ | |
96 | ||
97 | /* Master of threads. */ | |
98 | struct thread_master *master; | |
99 | ||
100 | /* Process ID saved for use by init system */ | |
eb1ce605 | 101 | const char *pid_file = PATH_OSPFD_PID; |
718e3744 | 102 | |
d68614db | 103 | #ifdef SUPPORT_OSPF_API |
f4d58ce5 | 104 | extern int ospf_apiserver_enable; |
d68614db | 105 | #endif /* SUPPORT_OSPF_API */ |
c3abdb72 | 106 | |
718e3744 | 107 | /* Help information display. */ |
108 | static void | |
109 | usage (char *progname, int status) | |
110 | { | |
111 | if (status != 0) | |
112 | fprintf (stderr, "Try `%s --help' for more information.\n", progname); | |
113 | else | |
114 | { | |
115 | printf ("Usage : %s [OPTION...]\n\ | |
116 | Daemon which manages OSPF.\n\n\ | |
117 | -d, --daemon Runs in daemon mode\n\ | |
118 | -f, --config_file Set configuration file name\n\ | |
119 | -i, --pid_file Set process identifier file name\n\ | |
120 | -A, --vty_addr Set vty's bind address\n\ | |
121 | -P, --vty_port Set vty's port number\n\ | |
c065230a | 122 | -u, --user User to run as\n\ |
123 | -g, --group Group to run as\n\ | |
c3abdb72 | 124 | -a. --apiserver Enable OSPF apiserver\n\ |
718e3744 | 125 | -v, --version Print program version\n\ |
126 | -h, --help Display this help and exit\n\ | |
127 | \n\ | |
128 | Report bugs to %s\n", progname, ZEBRA_BUG_ADDRESS); | |
129 | } | |
130 | exit (status); | |
131 | } | |
132 | \f | |
133 | /* SIGHUP handler. */ | |
134 | void | |
2d75d052 | 135 | sighup (void) |
718e3744 | 136 | { |
137 | zlog (NULL, LOG_INFO, "SIGHUP received"); | |
138 | } | |
139 | ||
140 | /* SIGINT handler. */ | |
141 | void | |
2d75d052 | 142 | sigint (void) |
718e3744 | 143 | { |
144 | zlog (NULL, LOG_INFO, "Terminating on signal"); | |
145 | ||
146 | ospf_terminate (); | |
147 | ||
148 | exit (0); | |
149 | } | |
150 | ||
151 | /* SIGUSR1 handler. */ | |
152 | void | |
2d75d052 | 153 | sigusr1 (void) |
718e3744 | 154 | { |
155 | zlog_rotate (NULL); | |
156 | } | |
157 | ||
2d75d052 | 158 | struct quagga_signal_t ospf_signals[] = |
718e3744 | 159 | { |
2d75d052 | 160 | { |
161 | .signal = SIGHUP, | |
162 | .handler = &sighup, | |
163 | }, | |
164 | { | |
165 | .signal = SIGUSR1, | |
166 | .handler = &sigusr1, | |
167 | }, | |
168 | { | |
169 | .signal = SIGINT, | |
170 | .handler = &sigint, | |
171 | }, | |
f571dab0 | 172 | { |
173 | .signal = SIGTERM, | |
174 | .handler = &sigint, | |
175 | }, | |
2d75d052 | 176 | }; |
718e3744 | 177 | \f |
178 | /* OSPFd main routine. */ | |
179 | int | |
180 | main (int argc, char **argv) | |
181 | { | |
182 | char *p; | |
183 | char *vty_addr = NULL; | |
4fc4e7ab | 184 | int vty_port = OSPF_VTY_PORT; |
718e3744 | 185 | int daemon_mode = 0; |
186 | char *config_file = NULL; | |
187 | char *progname; | |
188 | struct thread thread; | |
189 | ||
190 | /* Set umask before anything for security */ | |
191 | umask (0027); | |
192 | ||
193 | /* get program name */ | |
194 | progname = ((p = strrchr (argv[0], '/')) ? ++p : argv[0]); | |
195 | ||
196 | /* Invoked by a priviledged user? -- endo. */ | |
b3516a79 | 197 | if (geteuid () != 0) |
718e3744 | 198 | { |
199 | errno = EPERM; | |
200 | perror (progname); | |
201 | exit (1); | |
202 | } | |
203 | ||
204 | zlog_default = openzlog (progname, ZLOG_NOLOG, ZLOG_OSPF, | |
205 | LOG_CONS|LOG_NDELAY|LOG_PID, LOG_DAEMON); | |
206 | ||
020709f9 | 207 | /* OSPF master init. */ |
208 | ospf_master_init (); | |
209 | ||
d68614db | 210 | #ifdef SUPPORT_OSPF_API |
f4d58ce5 | 211 | /* OSPF apiserver is disabled by default. */ |
212 | ospf_apiserver_enable = 0; | |
d68614db | 213 | #endif /* SUPPORT_OSPF_API */ |
f4d58ce5 | 214 | |
718e3744 | 215 | while (1) |
216 | { | |
217 | int opt; | |
218 | ||
c065230a | 219 | opt = getopt_long (argc, argv, "dlf:i:hA:P:u:g:av", longopts, 0); |
718e3744 | 220 | |
221 | if (opt == EOF) | |
222 | break; | |
223 | ||
224 | switch (opt) | |
225 | { | |
226 | case 0: | |
227 | break; | |
228 | case 'd': | |
229 | daemon_mode = 1; | |
230 | break; | |
231 | case 'f': | |
232 | config_file = optarg; | |
233 | break; | |
234 | case 'A': | |
235 | vty_addr = optarg; | |
236 | break; | |
237 | case 'i': | |
238 | pid_file = optarg; | |
239 | break; | |
240 | case 'P': | |
4fc4e7ab | 241 | /* Deal with atoi() returning 0 on failure, and ospfd not |
242 | listening on ospfd port... */ | |
243 | if (strcmp(optarg, "0") == 0) | |
244 | { | |
245 | vty_port = 0; | |
246 | break; | |
247 | } | |
248 | vty_port = atoi (optarg); | |
249 | vty_port = (vty_port ? vty_port : OSPF_VTY_PORT); | |
250 | break; | |
c3abdb72 | 251 | case 'u': |
c065230a | 252 | ospfd_privs.user = optarg; |
253 | break; | |
254 | case 'g': | |
255 | ospfd_privs.group = optarg; | |
c3abdb72 | 256 | break; |
d68614db | 257 | #ifdef SUPPORT_OSPF_API |
c3abdb72 | 258 | case 'a': |
259 | ospf_apiserver_enable = 1; | |
260 | break; | |
d68614db | 261 | #endif /* SUPPORT_OSPF_API */ |
718e3744 | 262 | case 'v': |
263 | print_version (progname); | |
264 | exit (0); | |
265 | break; | |
266 | case 'h': | |
267 | usage (progname, 0); | |
268 | break; | |
269 | default: | |
270 | usage (progname, 1); | |
271 | break; | |
272 | } | |
273 | } | |
274 | ||
275 | /* Initializations. */ | |
020709f9 | 276 | master = om->master; |
718e3744 | 277 | |
278 | /* Library inits. */ | |
edd7c245 | 279 | zprivs_init (&ospfd_privs); |
2d75d052 | 280 | signal_init (master, Q_SIGC(ospf_signals), ospf_signals); |
718e3744 | 281 | cmd_init (1); |
282 | debug_init (); | |
b21b19c5 | 283 | vty_init (master); |
718e3744 | 284 | memory_init (); |
285 | ||
286 | access_list_init (); | |
287 | prefix_list_init (); | |
288 | ||
289 | /* OSPFd inits. */ | |
718e3744 | 290 | ospf_if_init (); |
291 | ospf_zebra_init (); | |
292 | ||
293 | /* OSPF vty inits. */ | |
294 | ospf_vty_init (); | |
295 | ospf_vty_show_init (); | |
296 | ||
297 | ospf_route_map_init (); | |
298 | #ifdef HAVE_SNMP | |
299 | ospf_snmp_init (); | |
300 | #endif /* HAVE_SNMP */ | |
301 | #ifdef HAVE_OPAQUE_LSA | |
302 | ospf_opaque_init (); | |
303 | #endif /* HAVE_OPAQUE_LSA */ | |
304 | ||
305 | sort_node (); | |
306 | ||
307 | /* Get configuration file. */ | |
320ec10a | 308 | vty_read_config (config_file, config_default); |
718e3744 | 309 | |
310 | /* Change to the daemon program. */ | |
311 | if (daemon_mode) | |
312 | daemon (0, 0); | |
313 | ||
314 | /* Process id file create. */ | |
315 | pid_output (pid_file); | |
316 | ||
317 | /* Create VTY socket */ | |
4fc4e7ab | 318 | vty_serv_sock (vty_addr, vty_port, OSPF_VTYSH_PATH); |
718e3744 | 319 | |
b3516a79 | 320 | #ifdef DEBUG |
718e3744 | 321 | /* Print banner. */ |
e8f2984c | 322 | zlog (NULL, LOG_INFO, "OSPFd (%s) starts", QUAGGA_VERSION); |
b3516a79 | 323 | #endif |
718e3744 | 324 | |
325 | /* Fetch next active thread. */ | |
326 | while (thread_fetch (master, &thread)) | |
327 | thread_call (&thread); | |
328 | ||
329 | /* Not reached. */ | |
330 | exit (0); | |
331 | } | |
332 |