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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 */ |
d62a17ae | 58 | zebra_capabilities_t _caps_p[] = {ZCAP_NET_RAW, ZCAP_BIND}; |
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, |
71 | .cap_num_p = 2, | |
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 | { |
f4e14fdb | 82 | struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT); |
d62a17ae | 83 | struct interface *ifp; |
ae2254aa | 84 | |
03951374 DL |
85 | frr_early_fini(); |
86 | ||
18f286ad | 87 | if (ospf6) { |
d62a17ae | 88 | ospf6_delete(ospf6); |
18f286ad PG |
89 | ospf6 = NULL; |
90 | } | |
ae2254aa | 91 | |
d62a17ae | 92 | bfd_gbl_exit(); |
567b877d | 93 | |
451fda4f | 94 | FOR_ALL_INTERFACES (vrf, ifp) |
d62a17ae | 95 | if (ifp->info != NULL) |
96 | ospf6_interface_delete(ifp->info); | |
d9628728 | 97 | |
d62a17ae | 98 | ospf6_message_terminate(); |
99 | ospf6_asbr_terminate(); | |
100 | ospf6_lsa_terminate(); | |
ae2254aa | 101 | |
d51884e6 | 102 | ospf6_serv_close(); |
856ae1eb CS |
103 | /* reverse access_list_init */ |
104 | access_list_reset(); | |
105 | ||
106 | /* reverse prefix_list_init */ | |
107 | prefix_list_add_hook(NULL); | |
108 | prefix_list_delete_hook(NULL); | |
109 | prefix_list_reset(); | |
110 | ||
d62a17ae | 111 | vrf_terminate(); |
ae2254aa | 112 | |
d62a17ae | 113 | if (zclient) { |
114 | zclient_stop(zclient); | |
115 | zclient_free(zclient); | |
116 | } | |
ae2254aa | 117 | |
03951374 | 118 | frr_fini(); |
d62a17ae | 119 | exit(status); |
ae2254aa TG |
120 | } |
121 | ||
718e3744 | 122 | /* SIGHUP handler. */ |
d62a17ae | 123 | static void sighup(void) |
718e3744 | 124 | { |
d62a17ae | 125 | zlog_info("SIGHUP received"); |
718e3744 | 126 | } |
127 | ||
128 | /* SIGINT handler. */ | |
d62a17ae | 129 | static void sigint(void) |
718e3744 | 130 | { |
d62a17ae | 131 | zlog_notice("Terminating on signal SIGINT"); |
132 | ospf6_exit(0); | |
718e3744 | 133 | } |
134 | ||
135 | /* SIGTERM handler. */ | |
d62a17ae | 136 | static void sigterm(void) |
718e3744 | 137 | { |
d62a17ae | 138 | zlog_notice("Terminating on signal SIGTERM"); |
d62a17ae | 139 | ospf6_exit(0); |
718e3744 | 140 | } |
141 | ||
142 | /* SIGUSR1 handler. */ | |
d62a17ae | 143 | static void sigusr1(void) |
718e3744 | 144 | { |
d62a17ae | 145 | zlog_info("SIGUSR1 received"); |
146 | zlog_rotate(); | |
718e3744 | 147 | } |
148 | ||
d62a17ae | 149 | struct quagga_signal_t ospf6_signals[] = { |
150 | { | |
151 | .signal = SIGHUP, | |
152 | .handler = &sighup, | |
153 | }, | |
154 | { | |
155 | .signal = SIGINT, | |
156 | .handler = &sigint, | |
157 | }, | |
158 | { | |
159 | .signal = SIGTERM, | |
160 | .handler = &sigterm, | |
161 | }, | |
162 | { | |
163 | .signal = SIGUSR1, | |
164 | .handler = &sigusr1, | |
165 | }, | |
e42f5a37 | 166 | }; |
508e53e2 | 167 | |
0d8c7a26 | 168 | static const struct frr_yang_module_info *const ospf6d_yang_modules[] = { |
a4bed468 | 169 | &frr_interface_info, |
8fcdd0d6 RW |
170 | }; |
171 | ||
d62a17ae | 172 | FRR_DAEMON_INFO(ospf6d, OSPF6, .vty_port = OSPF6_VTY_PORT, |
4f04a76b | 173 | |
d62a17ae | 174 | .proghelp = "Implementation of the OSPFv3 routing protocol.", |
4f04a76b | 175 | |
d62a17ae | 176 | .signals = ospf6_signals, |
177 | .n_signals = array_size(ospf6_signals), | |
4f04a76b | 178 | |
8fcdd0d6 RW |
179 | .privs = &ospf6d_privs, .yang_modules = ospf6d_yang_modules, |
180 | .n_yang_modules = array_size(ospf6d_yang_modules), ) | |
4f04a76b | 181 | |
508e53e2 | 182 | /* Main routine of ospf6d. Treatment of argument and starting ospf finite |
718e3744 | 183 | state machine is handled here. */ |
d62a17ae | 184 | int main(int argc, char *argv[], char *envp[]) |
718e3744 | 185 | { |
d62a17ae | 186 | int opt; |
187 | ||
188 | frr_preinit(&ospf6d_di, argc, argv); | |
189 | frr_opt_add("", longopts, ""); | |
718e3744 | 190 | |
d62a17ae | 191 | /* Command line argument treatment. */ |
192 | while (1) { | |
193 | opt = frr_getopt(argc, argv, NULL); | |
508e53e2 | 194 | |
d62a17ae | 195 | if (opt == EOF) |
196 | break; | |
197 | ||
198 | switch (opt) { | |
199 | case 0: | |
200 | break; | |
201 | default: | |
202 | frr_help_exit(1); | |
203 | break; | |
204 | } | |
205 | } | |
206 | ||
207 | if (geteuid() != 0) { | |
208 | errno = EPERM; | |
209 | perror(ospf6d_di.progname); | |
210 | exit(1); | |
211 | } | |
212 | ||
78c6ba61 CS |
213 | /* OSPF6 master init. */ |
214 | ospf6_master_init(); | |
215 | ||
d62a17ae | 216 | /* thread master */ |
217 | master = frr_init(); | |
218 | ||
ecbc5a37 | 219 | vrf_init(NULL, NULL, NULL, NULL, NULL); |
d62a17ae | 220 | access_list_init(); |
221 | prefix_list_init(); | |
222 | ||
223 | /* initialize ospf6 */ | |
224 | ospf6_init(); | |
225 | ||
226 | frr_config_fork(); | |
227 | frr_run(master); | |
228 | ||
229 | /* Not reached. */ | |
230 | ospf6_exit(0); | |
231 | } |