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acddc0ed | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
718e3744 | 2 | /* |
3 | * Copyright (C) 1999 Yasuhiro Ohara | |
718e3744 | 4 | */ |
5 | ||
6 | #include <zebra.h> | |
3b4cd3a9 | 7 | #include <lib/version.h> |
b25bd2ad | 8 | #include <lib/keychain.h> |
c3c0ac83 | 9 | #include <stdlib.h> |
508e53e2 | 10 | |
718e3744 | 11 | #include "getopt.h" |
12 | #include "thread.h" | |
13 | #include "log.h" | |
718e3744 | 14 | #include "command.h" |
15 | #include "vty.h" | |
16 | #include "memory.h" | |
508e53e2 | 17 | #include "if.h" |
18 | #include "filter.h" | |
19 | #include "prefix.h" | |
20 | #include "plist.h" | |
edd7c245 | 21 | #include "privs.h" |
e42f5a37 | 22 | #include "sigevent.h" |
87362ceb | 23 | #include "zclient.h" |
6a69b354 | 24 | #include "vrf.h" |
567b877d | 25 | #include "bfd.h" |
4f04a76b | 26 | #include "libfrr.h" |
718e3744 | 27 | |
28 | #include "ospf6d.h" | |
87362ceb DO |
29 | #include "ospf6_top.h" |
30 | #include "ospf6_message.h" | |
d51884e6 | 31 | #include "ospf6_network.h" |
87362ceb DO |
32 | #include "ospf6_asbr.h" |
33 | #include "ospf6_lsa.h" | |
d9628728 CF |
34 | #include "ospf6_interface.h" |
35 | #include "ospf6_zebra.h" | |
078110ca | 36 | #include "ospf6_routemap_nb.h" |
718e3744 | 37 | |
38 | /* Default configuration file name for ospf6d. */ | |
39 | #define OSPF6_DEFAULT_CONFIG "ospf6d.conf" | |
508e53e2 | 40 | |
718e3744 | 41 | /* Default port values. */ |
42 | #define OSPF6_VTY_PORT 2606 | |
43 | ||
edd7c245 | 44 | /* ospf6d privileges */ |
7df1f362 | 45 | zebra_capabilities_t _caps_p[] = {ZCAP_NET_RAW, ZCAP_BIND, ZCAP_SYS_ADMIN}; |
edd7c245 | 46 | |
d62a17ae | 47 | struct zebra_privs_t ospf6d_privs = { |
b2f36157 | 48 | #if defined(FRR_USER) |
d62a17ae | 49 | .user = FRR_USER, |
edd7c245 | 50 | #endif |
b2f36157 | 51 | #if defined FRR_GROUP |
d62a17ae | 52 | .group = FRR_GROUP, |
d81fadfd | 53 | #endif |
54 | #ifdef VTY_GROUP | |
d62a17ae | 55 | .vty_group = VTY_GROUP, |
edd7c245 | 56 | #endif |
d62a17ae | 57 | .caps_p = _caps_p, |
7df1f362 | 58 | .cap_num_p = array_size(_caps_p), |
d62a17ae | 59 | .cap_num_i = 0}; |
edd7c245 | 60 | |
718e3744 | 61 | /* ospf6d options, we use GNU getopt library. */ |
d62a17ae | 62 | struct option longopts[] = {{0}}; |
718e3744 | 63 | |
718e3744 | 64 | /* Master of threads. */ |
65 | struct thread_master *master; | |
66 | ||
d62a17ae | 67 | static void __attribute__((noreturn)) ospf6_exit(int status) |
ae2254aa | 68 | { |
c5d28568 | 69 | struct vrf *vrf; |
d62a17ae | 70 | struct interface *ifp; |
beadc736 | 71 | struct ospf6 *ospf6; |
72 | struct listnode *node, *nnode; | |
ae2254aa | 73 | |
03951374 DL |
74 | frr_early_fini(); |
75 | ||
c97b34cf IR |
76 | bfd_protocol_integration_set_shutdown(true); |
77 | ||
beadc736 | 78 | for (ALL_LIST_ELEMENTS(om6->ospf6, node, nnode, ospf6)) { |
c5d28568 | 79 | vrf = vrf_lookup_by_id(ospf6->vrf_id); |
d3136990 IR |
80 | ospf6_delete(ospf6); |
81 | ospf6 = NULL; | |
beadc736 | 82 | FOR_ALL_INTERFACES (vrf, ifp) |
83 | if (ifp->info != NULL) | |
84 | ospf6_interface_delete(ifp->info); | |
beadc736 | 85 | } |
ae2254aa | 86 | |
d62a17ae | 87 | ospf6_message_terminate(); |
88 | ospf6_asbr_terminate(); | |
89 | ospf6_lsa_terminate(); | |
ae2254aa | 90 | |
856ae1eb CS |
91 | /* reverse access_list_init */ |
92 | access_list_reset(); | |
93 | ||
94 | /* reverse prefix_list_init */ | |
95 | prefix_list_add_hook(NULL); | |
96 | prefix_list_delete_hook(NULL); | |
97 | prefix_list_reset(); | |
98 | ||
d62a17ae | 99 | vrf_terminate(); |
ae2254aa | 100 | |
d62a17ae | 101 | if (zclient) { |
102 | zclient_stop(zclient); | |
103 | zclient_free(zclient); | |
104 | } | |
ae2254aa | 105 | |
03951374 | 106 | frr_fini(); |
d62a17ae | 107 | exit(status); |
ae2254aa TG |
108 | } |
109 | ||
718e3744 | 110 | /* SIGHUP handler. */ |
d62a17ae | 111 | static void sighup(void) |
718e3744 | 112 | { |
d62a17ae | 113 | zlog_info("SIGHUP received"); |
718e3744 | 114 | } |
115 | ||
116 | /* SIGINT handler. */ | |
d62a17ae | 117 | static void sigint(void) |
718e3744 | 118 | { |
d62a17ae | 119 | zlog_notice("Terminating on signal SIGINT"); |
120 | ospf6_exit(0); | |
718e3744 | 121 | } |
122 | ||
123 | /* SIGTERM handler. */ | |
d62a17ae | 124 | static void sigterm(void) |
718e3744 | 125 | { |
d62a17ae | 126 | zlog_notice("Terminating on signal SIGTERM"); |
d62a17ae | 127 | ospf6_exit(0); |
718e3744 | 128 | } |
129 | ||
130 | /* SIGUSR1 handler. */ | |
d62a17ae | 131 | static void sigusr1(void) |
718e3744 | 132 | { |
d62a17ae | 133 | zlog_info("SIGUSR1 received"); |
134 | zlog_rotate(); | |
718e3744 | 135 | } |
136 | ||
7cc91e67 | 137 | struct frr_signal_t ospf6_signals[] = { |
d62a17ae | 138 | { |
139 | .signal = SIGHUP, | |
140 | .handler = &sighup, | |
141 | }, | |
142 | { | |
143 | .signal = SIGINT, | |
144 | .handler = &sigint, | |
145 | }, | |
146 | { | |
147 | .signal = SIGTERM, | |
148 | .handler = &sigterm, | |
149 | }, | |
150 | { | |
151 | .signal = SIGUSR1, | |
152 | .handler = &sigusr1, | |
153 | }, | |
e42f5a37 | 154 | }; |
508e53e2 | 155 | |
0d8c7a26 | 156 | static const struct frr_yang_module_info *const ospf6d_yang_modules[] = { |
c2aab693 | 157 | &frr_filter_info, |
a4bed468 | 158 | &frr_interface_info, |
91835f1f | 159 | &frr_route_map_info, |
6fd8972a | 160 | &frr_vrf_info, |
078110ca SP |
161 | &frr_ospf_route_map_info, |
162 | &frr_ospf6_route_map_info, | |
8fcdd0d6 RW |
163 | }; |
164 | ||
d62a17ae | 165 | FRR_DAEMON_INFO(ospf6d, OSPF6, .vty_port = OSPF6_VTY_PORT, |
4f04a76b | 166 | |
d62a17ae | 167 | .proghelp = "Implementation of the OSPFv3 routing protocol.", |
4f04a76b | 168 | |
d62a17ae | 169 | .signals = ospf6_signals, |
170 | .n_signals = array_size(ospf6_signals), | |
4f04a76b | 171 | |
8fcdd0d6 | 172 | .privs = &ospf6d_privs, .yang_modules = ospf6d_yang_modules, |
80413c20 DL |
173 | .n_yang_modules = array_size(ospf6d_yang_modules), |
174 | ); | |
4f04a76b | 175 | |
508e53e2 | 176 | /* Main routine of ospf6d. Treatment of argument and starting ospf finite |
718e3744 | 177 | state machine is handled here. */ |
d62a17ae | 178 | int main(int argc, char *argv[], char *envp[]) |
718e3744 | 179 | { |
d62a17ae | 180 | int opt; |
181 | ||
182 | frr_preinit(&ospf6d_di, argc, argv); | |
183 | frr_opt_add("", longopts, ""); | |
718e3744 | 184 | |
d62a17ae | 185 | /* Command line argument treatment. */ |
186 | while (1) { | |
187 | opt = frr_getopt(argc, argv, NULL); | |
508e53e2 | 188 | |
d62a17ae | 189 | if (opt == EOF) |
190 | break; | |
191 | ||
192 | switch (opt) { | |
193 | case 0: | |
194 | break; | |
195 | default: | |
196 | frr_help_exit(1); | |
d62a17ae | 197 | } |
198 | } | |
199 | ||
200 | if (geteuid() != 0) { | |
201 | errno = EPERM; | |
202 | perror(ospf6d_di.progname); | |
203 | exit(1); | |
204 | } | |
205 | ||
78c6ba61 | 206 | /* OSPF6 master init. */ |
beadc736 | 207 | ospf6_master_init(frr_init()); |
78c6ba61 | 208 | |
d62a17ae | 209 | /* thread master */ |
beadc736 | 210 | master = om6->master; |
d62a17ae | 211 | |
b25bd2ad | 212 | keychain_init(); |
4e8ccd92 | 213 | ospf6_vrf_init(); |
d62a17ae | 214 | access_list_init(); |
215 | prefix_list_init(); | |
216 | ||
217 | /* initialize ospf6 */ | |
beadc736 | 218 | ospf6_init(master); |
d62a17ae | 219 | |
220 | frr_config_fork(); | |
221 | frr_run(master); | |
222 | ||
223 | /* Not reached. */ | |
224 | ospf6_exit(0); | |
225 | } |