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718e3744 | 1 | /* |
2 | * Copyright (C) 1999 Yasuhiro Ohara | |
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 | * | |
896014f4 DL |
16 | * You should have received a copy of the GNU General Public License along |
17 | * with this program; see the file COPYING; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
718e3744 | 19 | */ |
20 | ||
21 | #include <zebra.h> | |
3b4cd3a9 | 22 | #include <lib/version.h> |
c3c0ac83 | 23 | #include <stdlib.h> |
508e53e2 | 24 | |
718e3744 | 25 | #include "getopt.h" |
26 | #include "thread.h" | |
27 | #include "log.h" | |
718e3744 | 28 | #include "command.h" |
29 | #include "vty.h" | |
30 | #include "memory.h" | |
508e53e2 | 31 | #include "if.h" |
32 | #include "filter.h" | |
33 | #include "prefix.h" | |
34 | #include "plist.h" | |
edd7c245 | 35 | #include "privs.h" |
e42f5a37 | 36 | #include "sigevent.h" |
87362ceb | 37 | #include "zclient.h" |
6a69b354 | 38 | #include "vrf.h" |
567b877d | 39 | #include "bfd.h" |
4f04a76b | 40 | #include "libfrr.h" |
718e3744 | 41 | |
42 | #include "ospf6d.h" | |
87362ceb DO |
43 | #include "ospf6_top.h" |
44 | #include "ospf6_message.h" | |
d51884e6 | 45 | #include "ospf6_network.h" |
87362ceb DO |
46 | #include "ospf6_asbr.h" |
47 | #include "ospf6_lsa.h" | |
d9628728 CF |
48 | #include "ospf6_interface.h" |
49 | #include "ospf6_zebra.h" | |
718e3744 | 50 | |
51 | /* Default configuration file name for ospf6d. */ | |
52 | #define OSPF6_DEFAULT_CONFIG "ospf6d.conf" | |
508e53e2 | 53 | |
718e3744 | 54 | /* Default port values. */ |
55 | #define OSPF6_VTY_PORT 2606 | |
56 | ||
edd7c245 | 57 | /* ospf6d privileges */ |
7df1f362 | 58 | zebra_capabilities_t _caps_p[] = {ZCAP_NET_RAW, ZCAP_BIND, ZCAP_SYS_ADMIN}; |
edd7c245 | 59 | |
d62a17ae | 60 | struct zebra_privs_t ospf6d_privs = { |
b2f36157 | 61 | #if defined(FRR_USER) |
d62a17ae | 62 | .user = FRR_USER, |
edd7c245 | 63 | #endif |
b2f36157 | 64 | #if defined FRR_GROUP |
d62a17ae | 65 | .group = FRR_GROUP, |
d81fadfd | 66 | #endif |
67 | #ifdef VTY_GROUP | |
d62a17ae | 68 | .vty_group = VTY_GROUP, |
edd7c245 | 69 | #endif |
d62a17ae | 70 | .caps_p = _caps_p, |
7df1f362 | 71 | .cap_num_p = array_size(_caps_p), |
d62a17ae | 72 | .cap_num_i = 0}; |
edd7c245 | 73 | |
718e3744 | 74 | /* ospf6d options, we use GNU getopt library. */ |
d62a17ae | 75 | struct option longopts[] = {{0}}; |
718e3744 | 76 | |
718e3744 | 77 | /* Master of threads. */ |
78 | struct thread_master *master; | |
79 | ||
d62a17ae | 80 | static void __attribute__((noreturn)) ospf6_exit(int status) |
ae2254aa | 81 | { |
c5d28568 | 82 | struct vrf *vrf; |
d62a17ae | 83 | struct interface *ifp; |
beadc736 | 84 | struct ospf6 *ospf6; |
85 | struct listnode *node, *nnode; | |
ae2254aa | 86 | |
03951374 DL |
87 | frr_early_fini(); |
88 | ||
beadc736 | 89 | for (ALL_LIST_ELEMENTS(om6->ospf6, node, nnode, ospf6)) { |
c5d28568 | 90 | vrf = vrf_lookup_by_id(ospf6->vrf_id); |
7df1f362 | 91 | ospf6_serv_close(&ospf6->fd); |
beadc736 | 92 | FOR_ALL_INTERFACES (vrf, ifp) |
93 | if (ifp->info != NULL) | |
94 | ospf6_interface_delete(ifp->info); | |
d62a17ae | 95 | ospf6_delete(ospf6); |
18f286ad | 96 | ospf6 = NULL; |
beadc736 | 97 | } |
ae2254aa | 98 | |
d62a17ae | 99 | bfd_gbl_exit(); |
567b877d | 100 | |
d9628728 | 101 | |
d62a17ae | 102 | ospf6_message_terminate(); |
103 | ospf6_asbr_terminate(); | |
104 | ospf6_lsa_terminate(); | |
ae2254aa | 105 | |
856ae1eb CS |
106 | /* reverse access_list_init */ |
107 | access_list_reset(); | |
108 | ||
109 | /* reverse prefix_list_init */ | |
110 | prefix_list_add_hook(NULL); | |
111 | prefix_list_delete_hook(NULL); | |
112 | prefix_list_reset(); | |
113 | ||
d62a17ae | 114 | vrf_terminate(); |
ae2254aa | 115 | |
d62a17ae | 116 | if (zclient) { |
117 | zclient_stop(zclient); | |
118 | zclient_free(zclient); | |
119 | } | |
ae2254aa | 120 | |
03951374 | 121 | frr_fini(); |
d62a17ae | 122 | exit(status); |
ae2254aa TG |
123 | } |
124 | ||
718e3744 | 125 | /* SIGHUP handler. */ |
d62a17ae | 126 | static void sighup(void) |
718e3744 | 127 | { |
d62a17ae | 128 | zlog_info("SIGHUP received"); |
718e3744 | 129 | } |
130 | ||
131 | /* SIGINT handler. */ | |
d62a17ae | 132 | static void sigint(void) |
718e3744 | 133 | { |
d62a17ae | 134 | zlog_notice("Terminating on signal SIGINT"); |
135 | ospf6_exit(0); | |
718e3744 | 136 | } |
137 | ||
138 | /* SIGTERM handler. */ | |
d62a17ae | 139 | static void sigterm(void) |
718e3744 | 140 | { |
d62a17ae | 141 | zlog_notice("Terminating on signal SIGTERM"); |
d62a17ae | 142 | ospf6_exit(0); |
718e3744 | 143 | } |
144 | ||
145 | /* SIGUSR1 handler. */ | |
d62a17ae | 146 | static void sigusr1(void) |
718e3744 | 147 | { |
d62a17ae | 148 | zlog_info("SIGUSR1 received"); |
149 | zlog_rotate(); | |
718e3744 | 150 | } |
151 | ||
d62a17ae | 152 | struct quagga_signal_t ospf6_signals[] = { |
153 | { | |
154 | .signal = SIGHUP, | |
155 | .handler = &sighup, | |
156 | }, | |
157 | { | |
158 | .signal = SIGINT, | |
159 | .handler = &sigint, | |
160 | }, | |
161 | { | |
162 | .signal = SIGTERM, | |
163 | .handler = &sigterm, | |
164 | }, | |
165 | { | |
166 | .signal = SIGUSR1, | |
167 | .handler = &sigusr1, | |
168 | }, | |
e42f5a37 | 169 | }; |
508e53e2 | 170 | |
0d8c7a26 | 171 | static const struct frr_yang_module_info *const ospf6d_yang_modules[] = { |
c2aab693 | 172 | &frr_filter_info, |
a4bed468 | 173 | &frr_interface_info, |
91835f1f | 174 | &frr_route_map_info, |
6fd8972a | 175 | &frr_vrf_info, |
8fcdd0d6 RW |
176 | }; |
177 | ||
d62a17ae | 178 | FRR_DAEMON_INFO(ospf6d, OSPF6, .vty_port = OSPF6_VTY_PORT, |
4f04a76b | 179 | |
d62a17ae | 180 | .proghelp = "Implementation of the OSPFv3 routing protocol.", |
4f04a76b | 181 | |
d62a17ae | 182 | .signals = ospf6_signals, |
183 | .n_signals = array_size(ospf6_signals), | |
4f04a76b | 184 | |
8fcdd0d6 RW |
185 | .privs = &ospf6d_privs, .yang_modules = ospf6d_yang_modules, |
186 | .n_yang_modules = array_size(ospf6d_yang_modules), ) | |
4f04a76b | 187 | |
508e53e2 | 188 | /* Main routine of ospf6d. Treatment of argument and starting ospf finite |
718e3744 | 189 | state machine is handled here. */ |
d62a17ae | 190 | int main(int argc, char *argv[], char *envp[]) |
718e3744 | 191 | { |
d62a17ae | 192 | int opt; |
193 | ||
194 | frr_preinit(&ospf6d_di, argc, argv); | |
195 | frr_opt_add("", longopts, ""); | |
718e3744 | 196 | |
d62a17ae | 197 | /* Command line argument treatment. */ |
198 | while (1) { | |
199 | opt = frr_getopt(argc, argv, NULL); | |
508e53e2 | 200 | |
d62a17ae | 201 | if (opt == EOF) |
202 | break; | |
203 | ||
204 | switch (opt) { | |
205 | case 0: | |
206 | break; | |
207 | default: | |
208 | frr_help_exit(1); | |
209 | break; | |
210 | } | |
211 | } | |
212 | ||
213 | if (geteuid() != 0) { | |
214 | errno = EPERM; | |
215 | perror(ospf6d_di.progname); | |
216 | exit(1); | |
217 | } | |
218 | ||
78c6ba61 | 219 | /* OSPF6 master init. */ |
beadc736 | 220 | ospf6_master_init(frr_init()); |
78c6ba61 | 221 | |
d62a17ae | 222 | /* thread master */ |
beadc736 | 223 | master = om6->master; |
d62a17ae | 224 | |
ecbc5a37 | 225 | vrf_init(NULL, NULL, NULL, NULL, NULL); |
d62a17ae | 226 | access_list_init(); |
227 | prefix_list_init(); | |
228 | ||
229 | /* initialize ospf6 */ | |
beadc736 | 230 | ospf6_init(master); |
d62a17ae | 231 | |
232 | frr_config_fork(); | |
233 | frr_run(master); | |
234 | ||
235 | /* Not reached. */ | |
236 | ospf6_exit(0); | |
237 | } |