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Commit | Line | Data |
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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 | * | |
896014f4 DL |
17 | * You should have received a copy of the GNU General Public License along |
18 | * with this program; see the file COPYING; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
718e3744 | 20 | */ |
21 | ||
22 | #include <zebra.h> | |
23 | ||
5e4fa164 | 24 | #include <lib/version.h> |
718e3744 | 25 | #include "getopt.h" |
26 | #include "thread.h" | |
27 | #include "prefix.h" | |
28 | #include "linklist.h" | |
29 | #include "if.h" | |
30 | #include "vector.h" | |
31 | #include "vty.h" | |
32 | #include "command.h" | |
33 | #include "filter.h" | |
34 | #include "plist.h" | |
35 | #include "stream.h" | |
36 | #include "log.h" | |
37 | #include "memory.h" | |
fc7948fa | 38 | #include "memory_vty.h" |
edd7c245 | 39 | #include "privs.h" |
2d75d052 | 40 | #include "sigevent.h" |
b5114685 | 41 | #include "zclient.h" |
6a69b354 | 42 | #include "vrf.h" |
4f04a76b | 43 | #include "libfrr.h" |
718e3744 | 44 | |
45 | #include "ospfd/ospfd.h" | |
46 | #include "ospfd/ospf_interface.h" | |
47 | #include "ospfd/ospf_asbr.h" | |
48 | #include "ospfd/ospf_lsa.h" | |
49 | #include "ospfd/ospf_lsdb.h" | |
50 | #include "ospfd/ospf_neighbor.h" | |
51 | #include "ospfd/ospf_dump.h" | |
52 | #include "ospfd/ospf_zebra.h" | |
53 | #include "ospfd/ospf_vty.h" | |
7f342629 | 54 | #include "ospfd/ospf_bfd.h" |
718e3744 | 55 | |
edd7c245 | 56 | /* ospfd privileges */ |
57 | zebra_capabilities_t _caps_p [] = | |
58 | { | |
ceacedba | 59 | ZCAP_NET_RAW, |
edd7c245 | 60 | ZCAP_BIND, |
ceacedba | 61 | ZCAP_NET_ADMIN, |
edd7c245 | 62 | }; |
63 | ||
64 | struct zebra_privs_t ospfd_privs = | |
65 | { | |
b2f36157 DL |
66 | #if defined(FRR_USER) && defined(FRR_GROUP) |
67 | .user = FRR_USER, | |
68 | .group = FRR_GROUP, | |
edd7c245 | 69 | #endif |
70 | #if defined(VTY_GROUP) | |
71 | .vty_group = VTY_GROUP, | |
72 | #endif | |
73 | .caps_p = _caps_p, | |
837d16cc | 74 | .cap_num_p = array_size(_caps_p), |
edd7c245 | 75 | .cap_num_i = 0 |
76 | }; | |
77 | ||
718e3744 | 78 | /* OSPFd options. */ |
79 | struct option longopts[] = | |
80 | { | |
7c8ff89e | 81 | { "instance", required_argument, NULL, 'n'}, |
c3abdb72 | 82 | { "apiserver", no_argument, NULL, 'a'}, |
718e3744 | 83 | { 0 } |
84 | }; | |
85 | ||
86 | /* OSPFd program name */ | |
87 | ||
88 | /* Master of threads. */ | |
89 | struct thread_master *master; | |
90 | ||
d68614db | 91 | #ifdef SUPPORT_OSPF_API |
f4d58ce5 | 92 | extern int ospf_apiserver_enable; |
d68614db | 93 | #endif /* SUPPORT_OSPF_API */ |
c3abdb72 | 94 | |
718e3744 | 95 | /* SIGHUP handler. */ |
4dadc291 | 96 | static void |
2d75d052 | 97 | sighup (void) |
718e3744 | 98 | { |
4525281a | 99 | zlog_info("SIGHUP received"); |
718e3744 | 100 | } |
101 | ||
88d6cf37 | 102 | /* SIGINT / SIGTERM handler. */ |
103 | static void | |
2d75d052 | 104 | sigint (void) |
718e3744 | 105 | { |
887c44a4 | 106 | zlog_notice ("Terminating on signal"); |
718e3744 | 107 | ospf_terminate (); |
718e3744 | 108 | } |
109 | ||
110 | /* SIGUSR1 handler. */ | |
4dadc291 | 111 | static void |
2d75d052 | 112 | sigusr1 (void) |
718e3744 | 113 | { |
dd8376fe | 114 | zlog_rotate(); |
718e3744 | 115 | } |
116 | ||
2d75d052 | 117 | struct quagga_signal_t ospf_signals[] = |
718e3744 | 118 | { |
2d75d052 | 119 | { |
120 | .signal = SIGHUP, | |
121 | .handler = &sighup, | |
122 | }, | |
123 | { | |
124 | .signal = SIGUSR1, | |
125 | .handler = &sigusr1, | |
126 | }, | |
127 | { | |
128 | .signal = SIGINT, | |
129 | .handler = &sigint, | |
130 | }, | |
f571dab0 | 131 | { |
132 | .signal = SIGTERM, | |
133 | .handler = &sigint, | |
134 | }, | |
2d75d052 | 135 | }; |
6b0655a2 | 136 | |
4f04a76b DL |
137 | FRR_DAEMON_INFO(ospfd, OSPF, |
138 | .vty_port = OSPF_VTY_PORT, | |
139 | ||
140 | .proghelp = "Implementation of the OSPFv2 routing protocol.", | |
141 | ||
142 | .signals = ospf_signals, | |
143 | .n_signals = array_size(ospf_signals), | |
144 | ||
145 | .privs = &ospfd_privs, | |
146 | ) | |
147 | ||
718e3744 | 148 | /* OSPFd main routine. */ |
149 | int | |
150 | main (int argc, char **argv) | |
151 | { | |
7c8ff89e | 152 | u_short instance = 0; |
718e3744 | 153 | |
822d8f55 DL |
154 | #ifdef SUPPORT_OSPF_API |
155 | /* OSPF apiserver is disabled by default. */ | |
156 | ospf_apiserver_enable = 0; | |
157 | #endif /* SUPPORT_OSPF_API */ | |
158 | ||
4f04a76b | 159 | frr_preinit (&ospfd_di, argc, argv); |
eb05883f | 160 | frr_opt_add ("n:a", longopts, |
4f04a76b | 161 | " -n, --instance Set the instance id\n" |
2fcc7988 | 162 | " -a, --apiserver Enable OSPF apiserver\n"); |
718e3744 | 163 | |
718e3744 | 164 | while (1) |
165 | { | |
166 | int opt; | |
167 | ||
4f04a76b | 168 | opt = frr_getopt (argc, argv, NULL); |
718e3744 | 169 | |
170 | if (opt == EOF) | |
171 | break; | |
172 | ||
173 | switch (opt) | |
174 | { | |
7c8ff89e | 175 | case 'n': |
4f04a76b | 176 | ospfd_di.instance = instance = atoi(optarg); |
988225dd | 177 | if (instance < 1) |
7c8ff89e DS |
178 | exit(0); |
179 | break; | |
718e3744 | 180 | case 0: |
181 | break; | |
d68614db | 182 | #ifdef SUPPORT_OSPF_API |
c3abdb72 | 183 | case 'a': |
184 | ospf_apiserver_enable = 1; | |
185 | break; | |
d68614db | 186 | #endif /* SUPPORT_OSPF_API */ |
718e3744 | 187 | default: |
4f04a76b | 188 | frr_help_exit (1); |
718e3744 | 189 | break; |
190 | } | |
191 | } | |
192 | ||
b5114685 VT |
193 | /* Invoked by a priviledged user? -- endo. */ |
194 | if (geteuid () != 0) | |
195 | { | |
196 | errno = EPERM; | |
4f04a76b | 197 | perror (ospfd_di.progname); |
b5114685 VT |
198 | exit (1); |
199 | } | |
200 | ||
b5114685 | 201 | /* OSPF master init. */ |
4f04a76b | 202 | ospf_master_init (frr_init ()); |
b5114685 | 203 | |
718e3744 | 204 | /* Initializations. */ |
020709f9 | 205 | master = om->master; |
718e3744 | 206 | |
207 | /* Library inits. */ | |
718e3744 | 208 | debug_init (); |
6df85364 | 209 | vrf_init (NULL, NULL, NULL, NULL); |
718e3744 | 210 | |
211 | access_list_init (); | |
212 | prefix_list_init (); | |
213 | ||
214 | /* OSPFd inits. */ | |
718e3744 | 215 | ospf_if_init (); |
4140ca4d | 216 | ospf_zebra_init(master, instance); |
718e3744 | 217 | |
218 | /* OSPF vty inits. */ | |
219 | ospf_vty_init (); | |
220 | ospf_vty_show_init (); | |
09f35f8c | 221 | ospf_vty_clear_init (); |
718e3744 | 222 | |
7f342629 DS |
223 | /* OSPF BFD init */ |
224 | ospf_bfd_init(); | |
225 | ||
718e3744 | 226 | ospf_route_map_init (); |
718e3744 | 227 | ospf_opaque_init (); |
718e3744 | 228 | |
6dae198f DS |
229 | /* Need to initialize the default ospf structure, so the interface mode |
230 | commands can be duly processed if they are received before 'router ospf', | |
231 | when quagga(ospfd) is restarted */ | |
7c8ff89e | 232 | if (!ospf_get_instance(instance)) |
6dae198f DS |
233 | { |
234 | zlog_err("OSPF instance init failed: %s", strerror(errno)); | |
235 | exit (1); | |
236 | } | |
237 | ||
16077f2f DL |
238 | frr_config_fork(); |
239 | frr_run (master); | |
718e3744 | 240 | |
241 | /* Not reached. */ | |
e8e1946e | 242 | return (0); |
718e3744 | 243 | } |
244 |