]>
Commit | Line | Data |
---|---|---|
718e3744 | 1 | /* RIPd main routine. |
2 | * Copyright (C) 1997, 98 Kunihiro Ishiguro <kunihiro@zebra.org> | |
3 | * | |
4 | * This file is part of GNU Zebra. | |
5 | * | |
6 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation; either version 2, or (at your option) any | |
9 | * later version. | |
10 | * | |
11 | * GNU Zebra is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with GNU Zebra; see the file COPYING. If not, write to the Free | |
18 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
19 | * 02111-1307, USA. | |
20 | */ | |
21 | ||
22 | #include <zebra.h> | |
23 | ||
5e4fa164 | 24 | #include <lib/version.h> |
718e3744 | 25 | #include "getopt.h" |
26 | #include "thread.h" | |
27 | #include "command.h" | |
28 | #include "memory.h" | |
fc7948fa | 29 | #include "memory_vty.h" |
718e3744 | 30 | #include "prefix.h" |
31 | #include "filter.h" | |
32 | #include "keychain.h" | |
33 | #include "log.h" | |
edd7c245 | 34 | #include "privs.h" |
2d75d052 | 35 | #include "sigevent.h" |
b5114685 | 36 | #include "zclient.h" |
6a69b354 | 37 | #include "vrf.h" |
718e3744 | 38 | |
39 | #include "ripd/ripd.h" | |
40 | ||
41 | /* ripd options. */ | |
42 | static struct option longopts[] = | |
43 | { | |
44 | { "daemon", no_argument, NULL, 'd'}, | |
45 | { "config_file", required_argument, NULL, 'f'}, | |
46 | { "pid_file", required_argument, NULL, 'i'}, | |
b5114685 | 47 | { "socket", required_argument, NULL, 'z'}, |
718e3744 | 48 | { "help", no_argument, NULL, 'h'}, |
876b8be0 | 49 | { "dryrun", no_argument, NULL, 'C'}, |
718e3744 | 50 | { "vty_addr", required_argument, NULL, 'A'}, |
51 | { "vty_port", required_argument, NULL, 'P'}, | |
52 | { "retain", no_argument, NULL, 'r'}, | |
edd7c245 | 53 | { "user", required_argument, NULL, 'u'}, |
c065230a | 54 | { "group", required_argument, NULL, 'g'}, |
718e3744 | 55 | { "version", no_argument, NULL, 'v'}, |
56 | { 0 } | |
57 | }; | |
58 | ||
edd7c245 | 59 | /* ripd privileges */ |
60 | zebra_capabilities_t _caps_p [] = | |
61 | { | |
ceacedba | 62 | ZCAP_NET_RAW, |
edd7c245 | 63 | ZCAP_BIND |
64 | }; | |
65 | ||
66 | struct zebra_privs_t ripd_privs = | |
67 | { | |
b2f36157 DL |
68 | #if defined(FRR_USER) |
69 | .user = FRR_USER, | |
edd7c245 | 70 | #endif |
b2f36157 DL |
71 | #if defined FRR_GROUP |
72 | .group = FRR_GROUP, | |
d81fadfd | 73 | #endif |
74 | #ifdef VTY_GROUP | |
75 | .vty_group = VTY_GROUP, | |
edd7c245 | 76 | #endif |
77 | .caps_p = _caps_p, | |
78 | .cap_num_p = 2, | |
79 | .cap_num_i = 0 | |
80 | }; | |
81 | ||
718e3744 | 82 | /* Configuration file and directory. */ |
718e3744 | 83 | char config_default[] = SYSCONFDIR RIPD_DEFAULT_CONFIG; |
84 | char *config_file = NULL; | |
85 | ||
86 | /* ripd program name */ | |
87 | ||
88 | /* Route retain mode flag. */ | |
89 | int retain_mode = 0; | |
90 | ||
91 | /* RIP VTY bind address. */ | |
92 | char *vty_addr = NULL; | |
93 | ||
94 | /* RIP VTY connection port. */ | |
95 | int vty_port = RIP_VTY_PORT; | |
96 | ||
97 | /* Master of threads. */ | |
98 | struct thread_master *master; | |
99 | ||
100 | /* Process ID saved for use by init system */ | |
8a676be3 | 101 | const char *pid_file = PATH_RIPD_PID; |
718e3744 | 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 RIP version 1 and 2.\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\ | |
b5114685 | 116 | -z, --socket Set path of zebra socket\n\ |
718e3744 | 117 | -A, --vty_addr Set vty's bind address\n\ |
118 | -P, --vty_port Set vty's port number\n\ | |
876b8be0 | 119 | -C, --dryrun Check configuration for validity and exit\n\ |
718e3744 | 120 | -r, --retain When program terminates, retain added route by ripd.\n\ |
c065230a | 121 | -u, --user User to run as\n\ |
122 | -g, --group Group to run as\n\ | |
718e3744 | 123 | -v, --version Print program version\n\ |
124 | -h, --help Display this help and exit\n\ | |
125 | \n\ | |
b2f36157 | 126 | Report bugs to %s\n", progname, FRR_BUG_ADDRESS); |
718e3744 | 127 | } |
128 | ||
129 | exit (status); | |
130 | } | |
6b0655a2 | 131 | |
718e3744 | 132 | /* SIGHUP handler. */ |
dc63bfd4 | 133 | static void |
2d75d052 | 134 | sighup (void) |
718e3744 | 135 | { |
136 | zlog_info ("SIGHUP received"); | |
137 | rip_clean (); | |
138 | rip_reset (); | |
139 | zlog_info ("ripd restarting!"); | |
140 | ||
141 | /* Reload config file. */ | |
320ec10a | 142 | vty_read_config (config_file, config_default); |
718e3744 | 143 | |
144 | /* Create VTY's socket */ | |
145 | vty_serv_sock (vty_addr, vty_port, RIP_VTYSH_PATH); | |
146 | ||
147 | /* Try to return to normal operation. */ | |
148 | } | |
149 | ||
150 | /* SIGINT handler. */ | |
dc63bfd4 | 151 | static void |
2d75d052 | 152 | sigint (void) |
718e3744 | 153 | { |
887c44a4 | 154 | zlog_notice ("Terminating on signal"); |
718e3744 | 155 | |
156 | if (! retain_mode) | |
157 | rip_clean (); | |
158 | ||
159 | exit (0); | |
160 | } | |
161 | ||
162 | /* SIGUSR1 handler. */ | |
dc63bfd4 | 163 | static void |
2d75d052 | 164 | sigusr1 (void) |
718e3744 | 165 | { |
166 | zlog_rotate (NULL); | |
167 | } | |
168 | ||
dc63bfd4 | 169 | static struct quagga_signal_t ripd_signals[] = |
718e3744 | 170 | { |
2d75d052 | 171 | { |
172 | .signal = SIGHUP, | |
173 | .handler = &sighup, | |
174 | }, | |
175 | { | |
176 | .signal = SIGUSR1, | |
177 | .handler = &sigusr1, | |
178 | }, | |
179 | { | |
180 | .signal = SIGINT, | |
8c903fbb | 181 | .handler = &sigint, |
2d75d052 | 182 | }, |
f571dab0 | 183 | { |
184 | .signal = SIGTERM, | |
185 | .handler = &sigint, | |
186 | }, | |
2d75d052 | 187 | }; |
6b0655a2 | 188 | |
718e3744 | 189 | /* Main routine of ripd. */ |
190 | int | |
191 | main (int argc, char **argv) | |
192 | { | |
193 | char *p; | |
194 | int daemon_mode = 0; | |
876b8be0 | 195 | int dryrun = 0; |
718e3744 | 196 | char *progname; |
197 | struct thread thread; | |
198 | ||
199 | /* Set umask before anything for security */ | |
200 | umask (0027); | |
201 | ||
202 | /* Get program name. */ | |
203 | progname = ((p = strrchr (argv[0], '/')) ? ++p : argv[0]); | |
204 | ||
205 | /* First of all we need logging init. */ | |
7c8ff89e | 206 | zlog_default = openzlog (progname, ZLOG_RIP, 0, |
718e3744 | 207 | LOG_CONS|LOG_NDELAY|LOG_PID, LOG_DAEMON); |
2caa9b39 | 208 | zprivs_init (&ripd_privs); |
c05795b1 SK |
209 | #if defined(HAVE_CUMULUS) |
210 | zlog_set_level (NULL, ZLOG_DEST_SYSLOG, zlog_default->default_lvl); | |
211 | #endif | |
718e3744 | 212 | |
213 | /* Command line option parse. */ | |
214 | while (1) | |
215 | { | |
216 | int opt; | |
217 | ||
b5114685 | 218 | opt = getopt_long (argc, argv, "df:i:z:hA:P:u:g:rvC", longopts, 0); |
718e3744 | 219 | |
220 | if (opt == EOF) | |
221 | break; | |
222 | ||
223 | switch (opt) | |
224 | { | |
225 | case 0: | |
226 | break; | |
227 | case 'd': | |
228 | daemon_mode = 1; | |
229 | break; | |
230 | case 'f': | |
231 | config_file = optarg; | |
232 | break; | |
233 | case 'A': | |
234 | vty_addr = optarg; | |
235 | break; | |
236 | case 'i': | |
237 | pid_file = optarg; | |
238 | break; | |
b5114685 VT |
239 | case 'z': |
240 | zclient_serv_path_set (optarg); | |
241 | break; | |
718e3744 | 242 | case 'P': |
4fc4e7ab | 243 | /* Deal with atoi() returning 0 on failure, and ripd not |
244 | listening on rip port... */ | |
245 | if (strcmp(optarg, "0") == 0) | |
246 | { | |
247 | vty_port = 0; | |
248 | break; | |
249 | } | |
250 | vty_port = atoi (optarg); | |
0d6b2ee2 PJ |
251 | if (vty_port <= 0 || vty_port > 0xffff) |
252 | vty_port = RIP_VTY_PORT; | |
718e3744 | 253 | break; |
254 | case 'r': | |
255 | retain_mode = 1; | |
256 | break; | |
876b8be0 PJ |
257 | case 'C': |
258 | dryrun = 1; | |
259 | break; | |
c065230a | 260 | case 'u': |
261 | ripd_privs.user = optarg; | |
262 | break; | |
263 | case 'g': | |
264 | ripd_privs.group = optarg; | |
265 | break; | |
718e3744 | 266 | case 'v': |
267 | print_version (progname); | |
268 | exit (0); | |
269 | break; | |
270 | case 'h': | |
271 | usage (progname, 0); | |
272 | break; | |
273 | default: | |
274 | usage (progname, 1); | |
275 | break; | |
276 | } | |
277 | } | |
278 | ||
279 | /* Prepare master thread. */ | |
280 | master = thread_master_create (); | |
281 | ||
282 | /* Library initialization. */ | |
837d16cc | 283 | signal_init (master, array_size(ripd_signals), ripd_signals); |
718e3744 | 284 | cmd_init (1); |
b21b19c5 | 285 | vty_init (master); |
718e3744 | 286 | memory_init (); |
287 | keychain_init (); | |
6a69b354 | 288 | vrf_init (); |
718e3744 | 289 | |
290 | /* RIP related initialization. */ | |
291 | rip_init (); | |
292 | rip_if_init (); | |
4140ca4d | 293 | rip_zclient_init(master); |
718e3744 | 294 | rip_peer_init (); |
295 | ||
718e3744 | 296 | /* Get configuration file. */ |
320ec10a | 297 | vty_read_config (config_file, config_default); |
718e3744 | 298 | |
876b8be0 PJ |
299 | /* Start execution only if not in dry-run mode */ |
300 | if(dryrun) | |
301 | return (0); | |
302 | ||
718e3744 | 303 | /* Change to the daemon program. */ |
065de903 SH |
304 | if (daemon_mode && daemon (0, 0) < 0) |
305 | { | |
306 | zlog_err("RIPd daemon failed: %s", strerror(errno)); | |
307 | exit (1); | |
308 | } | |
718e3744 | 309 | |
310 | /* Pid file create. */ | |
311 | pid_output (pid_file); | |
312 | ||
313 | /* Create VTY's socket */ | |
314 | vty_serv_sock (vty_addr, vty_port, RIP_VTYSH_PATH); | |
315 | ||
887c44a4 | 316 | /* Print banner. */ |
b2f36157 | 317 | zlog_notice ("RIPd %s starting: vty@%d", FRR_VERSION, vty_port); |
887c44a4 | 318 | |
718e3744 | 319 | /* Execute each thread. */ |
320 | while (thread_fetch (master, &thread)) | |
321 | thread_call (&thread); | |
322 | ||
323 | /* Not reached. */ | |
e8e1946e | 324 | return (0); |
718e3744 | 325 | } |