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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" |
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 | { | |
ceacedba | 55 | ZCAP_NET_RAW, |
edd7c245 | 56 | ZCAP_BIND, |
ceacedba | 57 | ZCAP_NET_ADMIN, |
edd7c245 | 58 | }; |
59 | ||
60 | struct zebra_privs_t ospfd_privs = | |
61 | { | |
d81fadfd | 62 | #if defined(QUAGGA_USER) && defined(QUAGGA_GROUP) |
63 | .user = QUAGGA_USER, | |
64 | .group = QUAGGA_GROUP, | |
edd7c245 | 65 | #endif |
66 | #if defined(VTY_GROUP) | |
67 | .vty_group = VTY_GROUP, | |
68 | #endif | |
69 | .caps_p = _caps_p, | |
70 | .cap_num_p = sizeof(_caps_p)/sizeof(_caps_p[0]), | |
71 | .cap_num_i = 0 | |
72 | }; | |
73 | ||
718e3744 | 74 | /* Configuration filename and directory. */ |
718e3744 | 75 | char config_default[] = SYSCONFDIR OSPF_DEFAULT_CONFIG; |
76 | ||
77 | /* OSPFd options. */ | |
78 | struct option longopts[] = | |
79 | { | |
80 | { "daemon", no_argument, NULL, 'd'}, | |
81 | { "config_file", required_argument, NULL, 'f'}, | |
82 | { "pid_file", required_argument, NULL, 'i'}, | |
83 | { "log_mode", no_argument, NULL, 'l'}, | |
84 | { "help", no_argument, NULL, 'h'}, | |
85 | { "vty_addr", required_argument, NULL, 'A'}, | |
86 | { "vty_port", required_argument, NULL, 'P'}, | |
edd7c245 | 87 | { "user", required_argument, NULL, 'u'}, |
c065230a | 88 | { "group", required_argument, NULL, 'g'}, |
c3abdb72 | 89 | { "apiserver", no_argument, NULL, 'a'}, |
718e3744 | 90 | { "version", no_argument, NULL, 'v'}, |
91 | { 0 } | |
92 | }; | |
93 | ||
94 | /* OSPFd program name */ | |
95 | ||
96 | /* Master of threads. */ | |
97 | struct thread_master *master; | |
98 | ||
99 | /* Process ID saved for use by init system */ | |
eb1ce605 | 100 | const char *pid_file = PATH_OSPFD_PID; |
718e3744 | 101 | |
d68614db | 102 | #ifdef SUPPORT_OSPF_API |
f4d58ce5 | 103 | extern int ospf_apiserver_enable; |
d68614db | 104 | #endif /* SUPPORT_OSPF_API */ |
c3abdb72 | 105 | |
718e3744 | 106 | /* Help information display. */ |
4dadc291 | 107 | static void __attribute__ ((noreturn)) |
718e3744 | 108 | usage (char *progname, int status) |
109 | { | |
110 | if (status != 0) | |
111 | fprintf (stderr, "Try `%s --help' for more information.\n", progname); | |
112 | else | |
113 | { | |
114 | printf ("Usage : %s [OPTION...]\n\ | |
115 | Daemon which manages OSPF.\n\n\ | |
116 | -d, --daemon Runs in daemon mode\n\ | |
117 | -f, --config_file Set configuration file name\n\ | |
118 | -i, --pid_file Set process identifier file name\n\ | |
119 | -A, --vty_addr Set vty's bind address\n\ | |
120 | -P, --vty_port Set vty's port number\n\ | |
c065230a | 121 | -u, --user User to run as\n\ |
122 | -g, --group Group to run as\n\ | |
c3abdb72 | 123 | -a. --apiserver Enable OSPF apiserver\n\ |
718e3744 | 124 | -v, --version Print program version\n\ |
125 | -h, --help Display this help and exit\n\ | |
126 | \n\ | |
127 | Report bugs to %s\n", progname, ZEBRA_BUG_ADDRESS); | |
128 | } | |
129 | exit (status); | |
130 | } | |
131 | \f | |
132 | /* SIGHUP handler. */ | |
4dadc291 | 133 | static void |
2d75d052 | 134 | sighup (void) |
718e3744 | 135 | { |
136 | zlog (NULL, LOG_INFO, "SIGHUP received"); | |
137 | } | |
138 | ||
88d6cf37 | 139 | /* SIGINT / SIGTERM handler. */ |
140 | static void | |
2d75d052 | 141 | sigint (void) |
718e3744 | 142 | { |
887c44a4 | 143 | zlog_notice ("Terminating on signal"); |
718e3744 | 144 | ospf_terminate (); |
718e3744 | 145 | } |
146 | ||
147 | /* SIGUSR1 handler. */ | |
4dadc291 | 148 | static void |
2d75d052 | 149 | sigusr1 (void) |
718e3744 | 150 | { |
151 | zlog_rotate (NULL); | |
152 | } | |
153 | ||
2d75d052 | 154 | struct quagga_signal_t ospf_signals[] = |
718e3744 | 155 | { |
2d75d052 | 156 | { |
157 | .signal = SIGHUP, | |
158 | .handler = &sighup, | |
159 | }, | |
160 | { | |
161 | .signal = SIGUSR1, | |
162 | .handler = &sigusr1, | |
163 | }, | |
164 | { | |
165 | .signal = SIGINT, | |
166 | .handler = &sigint, | |
167 | }, | |
f571dab0 | 168 | { |
169 | .signal = SIGTERM, | |
170 | .handler = &sigint, | |
171 | }, | |
2d75d052 | 172 | }; |
718e3744 | 173 | \f |
174 | /* OSPFd main routine. */ | |
175 | int | |
176 | main (int argc, char **argv) | |
177 | { | |
178 | char *p; | |
179 | char *vty_addr = NULL; | |
4fc4e7ab | 180 | int vty_port = OSPF_VTY_PORT; |
718e3744 | 181 | int daemon_mode = 0; |
182 | char *config_file = NULL; | |
183 | char *progname; | |
184 | struct thread thread; | |
185 | ||
186 | /* Set umask before anything for security */ | |
187 | umask (0027); | |
188 | ||
189 | /* get program name */ | |
190 | progname = ((p = strrchr (argv[0], '/')) ? ++p : argv[0]); | |
191 | ||
192 | /* Invoked by a priviledged user? -- endo. */ | |
b3516a79 | 193 | if (geteuid () != 0) |
718e3744 | 194 | { |
195 | errno = EPERM; | |
196 | perror (progname); | |
197 | exit (1); | |
198 | } | |
199 | ||
274a4a44 | 200 | zlog_default = openzlog (progname, ZLOG_OSPF, |
718e3744 | 201 | LOG_CONS|LOG_NDELAY|LOG_PID, LOG_DAEMON); |
202 | ||
020709f9 | 203 | /* OSPF master init. */ |
204 | ospf_master_init (); | |
205 | ||
d68614db | 206 | #ifdef SUPPORT_OSPF_API |
f4d58ce5 | 207 | /* OSPF apiserver is disabled by default. */ |
208 | ospf_apiserver_enable = 0; | |
d68614db | 209 | #endif /* SUPPORT_OSPF_API */ |
f4d58ce5 | 210 | |
718e3744 | 211 | while (1) |
212 | { | |
213 | int opt; | |
214 | ||
c065230a | 215 | opt = getopt_long (argc, argv, "dlf:i:hA:P:u:g:av", longopts, 0); |
718e3744 | 216 | |
217 | if (opt == EOF) | |
218 | break; | |
219 | ||
220 | switch (opt) | |
221 | { | |
222 | case 0: | |
223 | break; | |
224 | case 'd': | |
225 | daemon_mode = 1; | |
226 | break; | |
227 | case 'f': | |
228 | config_file = optarg; | |
229 | break; | |
230 | case 'A': | |
231 | vty_addr = optarg; | |
232 | break; | |
233 | case 'i': | |
234 | pid_file = optarg; | |
235 | break; | |
236 | case 'P': | |
4fc4e7ab | 237 | /* Deal with atoi() returning 0 on failure, and ospfd not |
238 | listening on ospfd port... */ | |
239 | if (strcmp(optarg, "0") == 0) | |
240 | { | |
241 | vty_port = 0; | |
242 | break; | |
243 | } | |
244 | vty_port = atoi (optarg); | |
245 | vty_port = (vty_port ? vty_port : OSPF_VTY_PORT); | |
246 | break; | |
c3abdb72 | 247 | case 'u': |
c065230a | 248 | ospfd_privs.user = optarg; |
249 | break; | |
250 | case 'g': | |
251 | ospfd_privs.group = optarg; | |
c3abdb72 | 252 | break; |
d68614db | 253 | #ifdef SUPPORT_OSPF_API |
c3abdb72 | 254 | case 'a': |
255 | ospf_apiserver_enable = 1; | |
256 | break; | |
d68614db | 257 | #endif /* SUPPORT_OSPF_API */ |
718e3744 | 258 | case 'v': |
259 | print_version (progname); | |
260 | exit (0); | |
261 | break; | |
262 | case 'h': | |
263 | usage (progname, 0); | |
264 | break; | |
265 | default: | |
266 | usage (progname, 1); | |
267 | break; | |
268 | } | |
269 | } | |
270 | ||
271 | /* Initializations. */ | |
020709f9 | 272 | master = om->master; |
718e3744 | 273 | |
274 | /* Library inits. */ | |
edd7c245 | 275 | zprivs_init (&ospfd_privs); |
2d75d052 | 276 | signal_init (master, Q_SIGC(ospf_signals), ospf_signals); |
718e3744 | 277 | cmd_init (1); |
278 | debug_init (); | |
b21b19c5 | 279 | vty_init (master); |
718e3744 | 280 | memory_init (); |
281 | ||
282 | access_list_init (); | |
283 | prefix_list_init (); | |
284 | ||
285 | /* OSPFd inits. */ | |
718e3744 | 286 | ospf_if_init (); |
287 | ospf_zebra_init (); | |
288 | ||
289 | /* OSPF vty inits. */ | |
290 | ospf_vty_init (); | |
291 | ospf_vty_show_init (); | |
292 | ||
293 | ospf_route_map_init (); | |
294 | #ifdef HAVE_SNMP | |
295 | ospf_snmp_init (); | |
296 | #endif /* HAVE_SNMP */ | |
297 | #ifdef HAVE_OPAQUE_LSA | |
298 | ospf_opaque_init (); | |
299 | #endif /* HAVE_OPAQUE_LSA */ | |
300 | ||
301 | sort_node (); | |
302 | ||
303 | /* Get configuration file. */ | |
320ec10a | 304 | vty_read_config (config_file, config_default); |
718e3744 | 305 | |
306 | /* Change to the daemon program. */ | |
307 | if (daemon_mode) | |
308 | daemon (0, 0); | |
309 | ||
310 | /* Process id file create. */ | |
311 | pid_output (pid_file); | |
312 | ||
313 | /* Create VTY socket */ | |
4fc4e7ab | 314 | vty_serv_sock (vty_addr, vty_port, OSPF_VTYSH_PATH); |
718e3744 | 315 | |
316 | /* Print banner. */ | |
887c44a4 | 317 | zlog_notice ("OSPFd %s starting: vty@%d", QUAGGA_VERSION, vty_port); |
718e3744 | 318 | |
319 | /* Fetch next active thread. */ | |
320 | while (thread_fetch (master, &thread)) | |
321 | thread_call (&thread); | |
322 | ||
323 | /* Not reached. */ | |
324 | exit (0); | |
325 | } | |
326 |