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acddc0ed | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
718e3744 | 2 | /* |
3 | * OSPFd main routine. | |
4 | * Copyright (C) 1998, 99 Kunihiro Ishiguro, Toshiaki Takada | |
718e3744 | 5 | */ |
6 | ||
7 | #include <zebra.h> | |
8 | ||
5e4fa164 | 9 | #include <lib/version.h> |
659f4e40 | 10 | #include "bfd.h" |
718e3744 | 11 | #include "getopt.h" |
24a58196 | 12 | #include "frrevent.h" |
718e3744 | 13 | #include "prefix.h" |
14 | #include "linklist.h" | |
15 | #include "if.h" | |
16 | #include "vector.h" | |
17 | #include "vty.h" | |
18 | #include "command.h" | |
19 | #include "filter.h" | |
20 | #include "plist.h" | |
21 | #include "stream.h" | |
22 | #include "log.h" | |
23 | #include "memory.h" | |
edd7c245 | 24 | #include "privs.h" |
2d75d052 | 25 | #include "sigevent.h" |
b5114685 | 26 | #include "zclient.h" |
6a69b354 | 27 | #include "vrf.h" |
4f04a76b | 28 | #include "libfrr.h" |
91835f1f | 29 | #include "routemap.h" |
718e3744 | 30 | |
31 | #include "ospfd/ospfd.h" | |
32 | #include "ospfd/ospf_interface.h" | |
33 | #include "ospfd/ospf_asbr.h" | |
34 | #include "ospfd/ospf_lsa.h" | |
35 | #include "ospfd/ospf_lsdb.h" | |
36 | #include "ospfd/ospf_neighbor.h" | |
37 | #include "ospfd/ospf_dump.h" | |
19c0412a | 38 | #include "ospfd/ospf_route.h" |
718e3744 | 39 | #include "ospfd/ospf_zebra.h" |
40 | #include "ospfd/ospf_vty.h" | |
7f342629 | 41 | #include "ospfd/ospf_bfd.h" |
10514170 | 42 | #include "ospfd/ospf_gr.h" |
313d7993 | 43 | #include "ospfd/ospf_errors.h" |
132a782e | 44 | #include "ospfd/ospf_ldp_sync.h" |
a623b526 | 45 | #include "ospfd/ospf_routemap_nb.h" |
718e3744 | 46 | |
edd7c245 | 47 | /* ospfd privileges */ |
996c9314 LB |
48 | zebra_capabilities_t _caps_p[] = {ZCAP_NET_RAW, ZCAP_BIND, ZCAP_NET_ADMIN, |
49 | ZCAP_SYS_ADMIN}; | |
edd7c245 | 50 | |
d62a17ae | 51 | struct zebra_privs_t ospfd_privs = { |
b2f36157 | 52 | #if defined(FRR_USER) && defined(FRR_GROUP) |
d62a17ae | 53 | .user = FRR_USER, |
54 | .group = FRR_GROUP, | |
edd7c245 | 55 | #endif |
56 | #if defined(VTY_GROUP) | |
d62a17ae | 57 | .vty_group = VTY_GROUP, |
edd7c245 | 58 | #endif |
d62a17ae | 59 | .caps_p = _caps_p, |
60 | .cap_num_p = array_size(_caps_p), | |
61 | .cap_num_i = 0}; | |
edd7c245 | 62 | |
718e3744 | 63 | /* OSPFd options. */ |
2b64873d DL |
64 | const struct option longopts[] = { |
65 | {"instance", required_argument, NULL, 'n'}, | |
66 | {"apiserver", no_argument, NULL, 'a'}, | |
67 | {0} | |
68 | }; | |
718e3744 | 69 | |
70 | /* OSPFd program name */ | |
71 | ||
72 | /* Master of threads. */ | |
cd9d0537 | 73 | struct event_loop *master; |
718e3744 | 74 | |
d68614db | 75 | #ifdef SUPPORT_OSPF_API |
f4d58ce5 | 76 | extern int ospf_apiserver_enable; |
d68614db | 77 | #endif /* SUPPORT_OSPF_API */ |
c3abdb72 | 78 | |
718e3744 | 79 | /* SIGHUP handler. */ |
d62a17ae | 80 | static void sighup(void) |
718e3744 | 81 | { |
d62a17ae | 82 | zlog_info("SIGHUP received"); |
718e3744 | 83 | } |
84 | ||
88d6cf37 | 85 | /* SIGINT / SIGTERM handler. */ |
d62a17ae | 86 | static void sigint(void) |
718e3744 | 87 | { |
d62a17ae | 88 | zlog_notice("Terminating on signal"); |
659f4e40 | 89 | bfd_protocol_integration_set_shutdown(true); |
d62a17ae | 90 | ospf_terminate(); |
41b21bfa | 91 | exit(0); |
718e3744 | 92 | } |
93 | ||
94 | /* SIGUSR1 handler. */ | |
d62a17ae | 95 | static void sigusr1(void) |
718e3744 | 96 | { |
d62a17ae | 97 | zlog_rotate(); |
718e3744 | 98 | } |
99 | ||
7cc91e67 | 100 | struct frr_signal_t ospf_signals[] = { |
d62a17ae | 101 | { |
102 | .signal = SIGHUP, | |
103 | .handler = &sighup, | |
104 | }, | |
105 | { | |
106 | .signal = SIGUSR1, | |
107 | .handler = &sigusr1, | |
108 | }, | |
109 | { | |
110 | .signal = SIGINT, | |
111 | .handler = &sigint, | |
112 | }, | |
113 | { | |
114 | .signal = SIGTERM, | |
115 | .handler = &sigint, | |
116 | }, | |
2d75d052 | 117 | }; |
6b0655a2 | 118 | |
0d8c7a26 | 119 | static const struct frr_yang_module_info *const ospfd_yang_modules[] = { |
c2aab693 | 120 | &frr_filter_info, |
a4bed468 | 121 | &frr_interface_info, |
91835f1f | 122 | &frr_route_map_info, |
6fd8972a | 123 | &frr_vrf_info, |
a623b526 | 124 | &frr_ospf_route_map_info, |
8fcdd0d6 RW |
125 | }; |
126 | ||
d62a17ae | 127 | FRR_DAEMON_INFO(ospfd, OSPF, .vty_port = OSPF_VTY_PORT, |
4f04a76b | 128 | |
d62a17ae | 129 | .proghelp = "Implementation of the OSPFv2 routing protocol.", |
4f04a76b | 130 | |
d62a17ae | 131 | .signals = ospf_signals, .n_signals = array_size(ospf_signals), |
4f04a76b | 132 | |
8fcdd0d6 | 133 | .privs = &ospfd_privs, .yang_modules = ospfd_yang_modules, |
80413c20 DL |
134 | .n_yang_modules = array_size(ospfd_yang_modules), |
135 | ); | |
4f04a76b | 136 | |
718e3744 | 137 | /* OSPFd main routine. */ |
d62a17ae | 138 | int main(int argc, char **argv) |
718e3744 | 139 | { |
822d8f55 | 140 | #ifdef SUPPORT_OSPF_API |
d62a17ae | 141 | /* OSPF apiserver is disabled by default. */ |
142 | ospf_apiserver_enable = 0; | |
822d8f55 DL |
143 | #endif /* SUPPORT_OSPF_API */ |
144 | ||
d62a17ae | 145 | frr_preinit(&ospfd_di, argc, argv); |
146 | frr_opt_add("n:a", longopts, | |
147 | " -n, --instance Set the instance id\n" | |
148 | " -a, --apiserver Enable OSPF apiserver\n"); | |
718e3744 | 149 | |
d62a17ae | 150 | while (1) { |
151 | int opt; | |
718e3744 | 152 | |
d62a17ae | 153 | opt = frr_getopt(argc, argv, NULL); |
718e3744 | 154 | |
d62a17ae | 155 | if (opt == EOF) |
156 | break; | |
157 | ||
158 | switch (opt) { | |
159 | case 'n': | |
409f98ab IR |
160 | ospfd_di.instance = ospf_instance = atoi(optarg); |
161 | if (ospf_instance < 1) | |
d62a17ae | 162 | exit(0); |
163 | break; | |
164 | case 0: | |
165 | break; | |
d68614db | 166 | #ifdef SUPPORT_OSPF_API |
d62a17ae | 167 | case 'a': |
168 | ospf_apiserver_enable = 1; | |
169 | break; | |
d68614db | 170 | #endif /* SUPPORT_OSPF_API */ |
d62a17ae | 171 | default: |
172 | frr_help_exit(1); | |
d62a17ae | 173 | } |
718e3744 | 174 | } |
718e3744 | 175 | |
d62a17ae | 176 | /* Invoked by a priviledged user? -- endo. */ |
177 | if (geteuid() != 0) { | |
178 | errno = EPERM; | |
179 | perror(ospfd_di.progname); | |
180 | exit(1); | |
181 | } | |
182 | ||
183 | /* OSPF master init. */ | |
184 | ospf_master_init(frr_init()); | |
185 | ||
186 | /* Initializations. */ | |
187 | master = om->master; | |
188 | ||
189 | /* Library inits. */ | |
6243a7b5 | 190 | ospf_debug_init(); |
b5a8894d | 191 | ospf_vrf_init(); |
d62a17ae | 192 | |
193 | access_list_init(); | |
194 | prefix_list_init(); | |
195 | ||
196 | /* OSPFd inits. */ | |
197 | ospf_if_init(); | |
409f98ab | 198 | ospf_zebra_init(master, ospf_instance); |
d62a17ae | 199 | |
200 | /* OSPF vty inits. */ | |
201 | ospf_vty_init(); | |
202 | ospf_vty_show_init(); | |
203 | ospf_vty_clear_init(); | |
204 | ||
205 | /* OSPF BFD init */ | |
659f4e40 | 206 | ospf_bfd_init(master); |
d62a17ae | 207 | |
132a782e | 208 | /* OSPF LDP IGP Sync init */ |
209 | ospf_ldp_sync_init(); | |
210 | ||
d62a17ae | 211 | ospf_route_map_init(); |
212 | ospf_opaque_init(); | |
10514170 | 213 | ospf_gr_init(); |
51f8588e | 214 | ospf_gr_helper_init(); |
d62a17ae | 215 | |
5ad4c39c QY |
216 | /* OSPF errors init */ |
217 | ospf_error_init(); | |
218 | ||
d62a17ae | 219 | frr_config_fork(); |
220 | frr_run(master); | |
221 | ||
222 | /* Not reached. */ | |
95f7965d | 223 | return 0; |
d62a17ae | 224 | } |