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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" |
b5114685 | 41 | #include "zclient.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 | { | |
ceacedba | 56 | ZCAP_NET_RAW, |
edd7c245 | 57 | ZCAP_BIND, |
ceacedba | 58 | ZCAP_NET_ADMIN, |
edd7c245 | 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'}, | |
b5114685 | 84 | { "socket", required_argument, NULL, 'z'}, |
876b8be0 | 85 | { "dryrun", no_argument, NULL, 'C'}, |
718e3744 | 86 | { "help", no_argument, NULL, 'h'}, |
87 | { "vty_addr", required_argument, NULL, 'A'}, | |
88 | { "vty_port", required_argument, NULL, 'P'}, | |
edd7c245 | 89 | { "user", required_argument, NULL, 'u'}, |
c065230a | 90 | { "group", required_argument, NULL, 'g'}, |
c3abdb72 | 91 | { "apiserver", no_argument, NULL, 'a'}, |
718e3744 | 92 | { "version", no_argument, NULL, 'v'}, |
93 | { 0 } | |
94 | }; | |
95 | ||
96 | /* OSPFd program name */ | |
97 | ||
98 | /* Master of threads. */ | |
99 | struct thread_master *master; | |
100 | ||
101 | /* Process ID saved for use by init system */ | |
eb1ce605 | 102 | const char *pid_file = PATH_OSPFD_PID; |
718e3744 | 103 | |
d68614db | 104 | #ifdef SUPPORT_OSPF_API |
f4d58ce5 | 105 | extern int ospf_apiserver_enable; |
d68614db | 106 | #endif /* SUPPORT_OSPF_API */ |
c3abdb72 | 107 | |
718e3744 | 108 | /* Help information display. */ |
4dadc291 | 109 | static void __attribute__ ((noreturn)) |
718e3744 | 110 | usage (char *progname, int status) |
111 | { | |
112 | if (status != 0) | |
113 | fprintf (stderr, "Try `%s --help' for more information.\n", progname); | |
114 | else | |
115 | { | |
116 | printf ("Usage : %s [OPTION...]\n\ | |
117 | Daemon which manages OSPF.\n\n\ | |
118 | -d, --daemon Runs in daemon mode\n\ | |
119 | -f, --config_file Set configuration file name\n\ | |
120 | -i, --pid_file Set process identifier file name\n\ | |
b5114685 | 121 | -z, --socket Set path of zebra socket\n\ |
718e3744 | 122 | -A, --vty_addr Set vty's bind address\n\ |
123 | -P, --vty_port Set vty's port number\n\ | |
c065230a | 124 | -u, --user User to run as\n\ |
125 | -g, --group Group to run as\n\ | |
c3abdb72 | 126 | -a. --apiserver Enable OSPF apiserver\n\ |
718e3744 | 127 | -v, --version Print program version\n\ |
876b8be0 | 128 | -C, --dryrun Check configuration for validity and exit\n\ |
718e3744 | 129 | -h, --help Display this help and exit\n\ |
130 | \n\ | |
131 | Report bugs to %s\n", progname, ZEBRA_BUG_ADDRESS); | |
132 | } | |
133 | exit (status); | |
134 | } | |
135 | \f | |
136 | /* SIGHUP handler. */ | |
4dadc291 | 137 | static void |
2d75d052 | 138 | sighup (void) |
718e3744 | 139 | { |
140 | zlog (NULL, LOG_INFO, "SIGHUP received"); | |
141 | } | |
142 | ||
88d6cf37 | 143 | /* SIGINT / SIGTERM handler. */ |
144 | static void | |
2d75d052 | 145 | sigint (void) |
718e3744 | 146 | { |
887c44a4 | 147 | zlog_notice ("Terminating on signal"); |
718e3744 | 148 | ospf_terminate (); |
718e3744 | 149 | } |
150 | ||
151 | /* SIGUSR1 handler. */ | |
4dadc291 | 152 | static 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; | |
876b8be0 | 189 | int dryrun = 0; |
718e3744 | 190 | |
191 | /* Set umask before anything for security */ | |
192 | umask (0027); | |
193 | ||
194 | /* get program name */ | |
195 | progname = ((p = strrchr (argv[0], '/')) ? ++p : argv[0]); | |
196 | ||
718e3744 | 197 | while (1) |
198 | { | |
199 | int opt; | |
200 | ||
b5114685 | 201 | opt = getopt_long (argc, argv, "df:i:z:hA:P:u:g:avC", longopts, 0); |
718e3744 | 202 | |
203 | if (opt == EOF) | |
204 | break; | |
205 | ||
206 | switch (opt) | |
207 | { | |
208 | case 0: | |
209 | break; | |
210 | case 'd': | |
211 | daemon_mode = 1; | |
212 | break; | |
213 | case 'f': | |
214 | config_file = optarg; | |
215 | break; | |
216 | case 'A': | |
217 | vty_addr = optarg; | |
218 | break; | |
219 | case 'i': | |
220 | pid_file = optarg; | |
221 | break; | |
b5114685 VT |
222 | case 'z': |
223 | zclient_serv_path_set (optarg); | |
224 | break; | |
718e3744 | 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); | |
0d6b2ee2 PJ |
234 | if (vty_port <= 0 || vty_port > 0xffff) |
235 | vty_port = OSPF_VTY_PORT; | |
4fc4e7ab | 236 | break; |
c3abdb72 | 237 | case 'u': |
c065230a | 238 | ospfd_privs.user = optarg; |
239 | break; | |
240 | case 'g': | |
241 | ospfd_privs.group = optarg; | |
c3abdb72 | 242 | break; |
d68614db | 243 | #ifdef SUPPORT_OSPF_API |
c3abdb72 | 244 | case 'a': |
245 | ospf_apiserver_enable = 1; | |
246 | break; | |
d68614db | 247 | #endif /* SUPPORT_OSPF_API */ |
718e3744 | 248 | case 'v': |
249 | print_version (progname); | |
250 | exit (0); | |
251 | break; | |
876b8be0 PJ |
252 | case 'C': |
253 | dryrun = 1; | |
254 | break; | |
718e3744 | 255 | case 'h': |
256 | usage (progname, 0); | |
257 | break; | |
258 | default: | |
259 | usage (progname, 1); | |
260 | break; | |
261 | } | |
262 | } | |
263 | ||
b5114685 VT |
264 | /* Invoked by a priviledged user? -- endo. */ |
265 | if (geteuid () != 0) | |
266 | { | |
267 | errno = EPERM; | |
268 | perror (progname); | |
269 | exit (1); | |
270 | } | |
271 | ||
272 | zlog_default = openzlog (progname, ZLOG_OSPF, | |
273 | LOG_CONS|LOG_NDELAY|LOG_PID, LOG_DAEMON); | |
274 | ||
275 | /* OSPF master init. */ | |
276 | ospf_master_init (); | |
277 | ||
278 | #ifdef SUPPORT_OSPF_API | |
279 | /* OSPF apiserver is disabled by default. */ | |
280 | ospf_apiserver_enable = 0; | |
281 | #endif /* SUPPORT_OSPF_API */ | |
282 | ||
718e3744 | 283 | /* Initializations. */ |
020709f9 | 284 | master = om->master; |
718e3744 | 285 | |
286 | /* Library inits. */ | |
edd7c245 | 287 | zprivs_init (&ospfd_privs); |
2d75d052 | 288 | signal_init (master, Q_SIGC(ospf_signals), ospf_signals); |
718e3744 | 289 | cmd_init (1); |
290 | debug_init (); | |
b21b19c5 | 291 | vty_init (master); |
718e3744 | 292 | memory_init (); |
293 | ||
294 | access_list_init (); | |
295 | prefix_list_init (); | |
296 | ||
297 | /* OSPFd inits. */ | |
718e3744 | 298 | ospf_if_init (); |
299 | ospf_zebra_init (); | |
300 | ||
301 | /* OSPF vty inits. */ | |
302 | ospf_vty_init (); | |
303 | ospf_vty_show_init (); | |
304 | ||
305 | ospf_route_map_init (); | |
306 | #ifdef HAVE_SNMP | |
307 | ospf_snmp_init (); | |
308 | #endif /* HAVE_SNMP */ | |
309 | #ifdef HAVE_OPAQUE_LSA | |
310 | ospf_opaque_init (); | |
311 | #endif /* HAVE_OPAQUE_LSA */ | |
312 | ||
313 | sort_node (); | |
314 | ||
315 | /* Get configuration file. */ | |
320ec10a | 316 | vty_read_config (config_file, config_default); |
718e3744 | 317 | |
876b8be0 PJ |
318 | /* Start execution only if not in dry-run mode */ |
319 | if (dryrun) | |
320 | return(0); | |
321 | ||
718e3744 | 322 | /* Change to the daemon program. */ |
065de903 SH |
323 | if (daemon_mode && daemon (0, 0) < 0) |
324 | { | |
325 | zlog_err("OSPFd daemon failed: %s", strerror(errno)); | |
326 | exit (1); | |
327 | } | |
718e3744 | 328 | |
329 | /* Process id file create. */ | |
330 | pid_output (pid_file); | |
331 | ||
332 | /* Create VTY socket */ | |
4fc4e7ab | 333 | vty_serv_sock (vty_addr, vty_port, OSPF_VTYSH_PATH); |
718e3744 | 334 | |
335 | /* Print banner. */ | |
887c44a4 | 336 | zlog_notice ("OSPFd %s starting: vty@%d", QUAGGA_VERSION, vty_port); |
718e3744 | 337 | |
338 | /* Fetch next active thread. */ | |
339 | while (thread_fetch (master, &thread)) | |
340 | thread_call (&thread); | |
341 | ||
342 | /* Not reached. */ | |
e8e1946e | 343 | return (0); |
718e3744 | 344 | } |
345 |