]>
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" |
40 | #include "debug.h" | |
2d75d052 | 41 | #include "sigevent.h" |
718e3744 | 42 | |
43 | #include "ospfd/ospfd.h" | |
44 | #include "ospfd/ospf_interface.h" | |
45 | #include "ospfd/ospf_asbr.h" | |
46 | #include "ospfd/ospf_lsa.h" | |
47 | #include "ospfd/ospf_lsdb.h" | |
48 | #include "ospfd/ospf_neighbor.h" | |
49 | #include "ospfd/ospf_dump.h" | |
50 | #include "ospfd/ospf_zebra.h" | |
51 | #include "ospfd/ospf_vty.h" | |
52 | ||
edd7c245 | 53 | /* ospfd privileges */ |
54 | zebra_capabilities_t _caps_p [] = | |
55 | { | |
56 | ZCAP_RAW, | |
57 | ZCAP_BIND, | |
58 | ZCAP_BROADCAST, | |
59 | ZCAP_ADMIN, | |
60 | }; | |
61 | ||
62 | struct zebra_privs_t ospfd_privs = | |
63 | { | |
d81fadfd | 64 | #if defined(QUAGGA_USER) && defined(QUAGGA_GROUP) |
65 | .user = QUAGGA_USER, | |
66 | .group = QUAGGA_GROUP, | |
edd7c245 | 67 | #endif |
68 | #if defined(VTY_GROUP) | |
69 | .vty_group = VTY_GROUP, | |
70 | #endif | |
71 | .caps_p = _caps_p, | |
72 | .cap_num_p = sizeof(_caps_p)/sizeof(_caps_p[0]), | |
73 | .cap_num_i = 0 | |
74 | }; | |
75 | ||
718e3744 | 76 | /* Configuration filename and directory. */ |
77 | char config_current[] = OSPF_DEFAULT_CONFIG; | |
78 | char config_default[] = SYSCONFDIR OSPF_DEFAULT_CONFIG; | |
79 | ||
80 | /* OSPFd options. */ | |
81 | struct option longopts[] = | |
82 | { | |
83 | { "daemon", no_argument, NULL, 'd'}, | |
84 | { "config_file", required_argument, NULL, 'f'}, | |
85 | { "pid_file", required_argument, NULL, 'i'}, | |
86 | { "log_mode", no_argument, NULL, 'l'}, | |
87 | { "help", no_argument, NULL, 'h'}, | |
88 | { "vty_addr", required_argument, NULL, 'A'}, | |
89 | { "vty_port", required_argument, NULL, 'P'}, | |
edd7c245 | 90 | { "user", required_argument, NULL, 'u'}, |
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 */ | |
101 | char *pid_file = PATH_OSPFD_PID; | |
102 | ||
103 | /* Help information display. */ | |
104 | static void | |
105 | usage (char *progname, int status) | |
106 | { | |
107 | if (status != 0) | |
108 | fprintf (stderr, "Try `%s --help' for more information.\n", progname); | |
109 | else | |
110 | { | |
111 | printf ("Usage : %s [OPTION...]\n\ | |
112 | Daemon which manages OSPF.\n\n\ | |
113 | -d, --daemon Runs in daemon mode\n\ | |
114 | -f, --config_file Set configuration file name\n\ | |
115 | -i, --pid_file Set process identifier file name\n\ | |
116 | -A, --vty_addr Set vty's bind address\n\ | |
117 | -P, --vty_port Set vty's port number\n\ | |
edd7c245 | 118 | -u, --user User and group to run as\n\ |
718e3744 | 119 | -v, --version Print program version\n\ |
120 | -h, --help Display this help and exit\n\ | |
121 | \n\ | |
122 | Report bugs to %s\n", progname, ZEBRA_BUG_ADDRESS); | |
123 | } | |
124 | exit (status); | |
125 | } | |
126 | \f | |
127 | /* SIGHUP handler. */ | |
128 | void | |
2d75d052 | 129 | sighup (void) |
718e3744 | 130 | { |
131 | zlog (NULL, LOG_INFO, "SIGHUP received"); | |
132 | } | |
133 | ||
134 | /* SIGINT handler. */ | |
135 | void | |
2d75d052 | 136 | sigint (void) |
718e3744 | 137 | { |
138 | zlog (NULL, LOG_INFO, "Terminating on signal"); | |
139 | ||
140 | ospf_terminate (); | |
141 | ||
142 | exit (0); | |
143 | } | |
144 | ||
145 | /* SIGUSR1 handler. */ | |
146 | void | |
2d75d052 | 147 | sigusr1 (void) |
718e3744 | 148 | { |
149 | zlog_rotate (NULL); | |
150 | } | |
151 | ||
2d75d052 | 152 | struct quagga_signal_t ospf_signals[] = |
718e3744 | 153 | { |
2d75d052 | 154 | { |
155 | .signal = SIGHUP, | |
156 | .handler = &sighup, | |
157 | }, | |
158 | { | |
159 | .signal = SIGUSR1, | |
160 | .handler = &sigusr1, | |
161 | }, | |
162 | { | |
163 | .signal = SIGINT, | |
164 | .handler = &sigint, | |
165 | }, | |
166 | }; | |
718e3744 | 167 | \f |
168 | /* OSPFd main routine. */ | |
169 | int | |
170 | main (int argc, char **argv) | |
171 | { | |
172 | char *p; | |
173 | char *vty_addr = NULL; | |
4fc4e7ab | 174 | int vty_port = OSPF_VTY_PORT; |
718e3744 | 175 | int daemon_mode = 0; |
176 | char *config_file = NULL; | |
177 | char *progname; | |
178 | struct thread thread; | |
179 | ||
180 | /* Set umask before anything for security */ | |
181 | umask (0027); | |
182 | ||
183 | /* get program name */ | |
184 | progname = ((p = strrchr (argv[0], '/')) ? ++p : argv[0]); | |
185 | ||
186 | /* Invoked by a priviledged user? -- endo. */ | |
b3516a79 | 187 | if (geteuid () != 0) |
718e3744 | 188 | { |
189 | errno = EPERM; | |
190 | perror (progname); | |
191 | exit (1); | |
192 | } | |
193 | ||
194 | zlog_default = openzlog (progname, ZLOG_NOLOG, ZLOG_OSPF, | |
195 | LOG_CONS|LOG_NDELAY|LOG_PID, LOG_DAEMON); | |
196 | ||
020709f9 | 197 | /* OSPF master init. */ |
198 | ospf_master_init (); | |
199 | ||
718e3744 | 200 | while (1) |
201 | { | |
202 | int opt; | |
203 | ||
96735eea | 204 | opt = getopt_long (argc, argv, "dlf:i:hA:P:u:v", longopts, 0); |
718e3744 | 205 | |
206 | if (opt == EOF) | |
207 | break; | |
208 | ||
209 | switch (opt) | |
210 | { | |
211 | case 0: | |
212 | break; | |
213 | case 'd': | |
214 | daemon_mode = 1; | |
215 | break; | |
216 | case 'f': | |
217 | config_file = optarg; | |
218 | break; | |
219 | case 'A': | |
220 | vty_addr = optarg; | |
221 | break; | |
222 | case 'i': | |
223 | pid_file = optarg; | |
224 | break; | |
225 | case 'P': | |
4fc4e7ab | 226 | /* Deal with atoi() returning 0 on failure, and ospfd not |
227 | listening on ospfd port... */ | |
228 | if (strcmp(optarg, "0") == 0) | |
229 | { | |
230 | vty_port = 0; | |
231 | break; | |
232 | } | |
233 | vty_port = atoi (optarg); | |
234 | vty_port = (vty_port ? vty_port : OSPF_VTY_PORT); | |
235 | break; | |
edd7c245 | 236 | case 'u': |
237 | ospfd_privs.group = ospfd_privs.user = optarg; | |
238 | break; | |
718e3744 | 239 | case 'v': |
240 | print_version (progname); | |
241 | exit (0); | |
242 | break; | |
243 | case 'h': | |
244 | usage (progname, 0); | |
245 | break; | |
246 | default: | |
247 | usage (progname, 1); | |
248 | break; | |
249 | } | |
250 | } | |
251 | ||
252 | /* Initializations. */ | |
020709f9 | 253 | master = om->master; |
718e3744 | 254 | |
255 | /* Library inits. */ | |
edd7c245 | 256 | zprivs_init (&ospfd_privs); |
2d75d052 | 257 | signal_init (master, Q_SIGC(ospf_signals), ospf_signals); |
718e3744 | 258 | cmd_init (1); |
259 | debug_init (); | |
b21b19c5 | 260 | vty_init (master); |
718e3744 | 261 | memory_init (); |
262 | ||
263 | access_list_init (); | |
264 | prefix_list_init (); | |
265 | ||
266 | /* OSPFd inits. */ | |
267 | ospf_init (); | |
268 | ospf_if_init (); | |
269 | ospf_zebra_init (); | |
270 | ||
271 | /* OSPF vty inits. */ | |
272 | ospf_vty_init (); | |
273 | ospf_vty_show_init (); | |
274 | ||
275 | ospf_route_map_init (); | |
276 | #ifdef HAVE_SNMP | |
277 | ospf_snmp_init (); | |
278 | #endif /* HAVE_SNMP */ | |
279 | #ifdef HAVE_OPAQUE_LSA | |
280 | ospf_opaque_init (); | |
281 | #endif /* HAVE_OPAQUE_LSA */ | |
282 | ||
283 | sort_node (); | |
284 | ||
285 | /* Get configuration file. */ | |
286 | vty_read_config (config_file, config_current, config_default); | |
287 | ||
288 | /* Change to the daemon program. */ | |
289 | if (daemon_mode) | |
290 | daemon (0, 0); | |
291 | ||
292 | /* Process id file create. */ | |
293 | pid_output (pid_file); | |
294 | ||
295 | /* Create VTY socket */ | |
4fc4e7ab | 296 | vty_serv_sock (vty_addr, vty_port, OSPF_VTYSH_PATH); |
718e3744 | 297 | |
b3516a79 | 298 | #ifdef DEBUG |
718e3744 | 299 | /* Print banner. */ |
e8f2984c | 300 | zlog (NULL, LOG_INFO, "OSPFd (%s) starts", QUAGGA_VERSION); |
b3516a79 | 301 | #endif |
718e3744 | 302 | |
303 | /* Fetch next active thread. */ | |
304 | while (thread_fetch (master, &thread)) | |
305 | thread_call (&thread); | |
306 | ||
307 | /* Not reached. */ | |
308 | exit (0); | |
309 | } | |
310 |