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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" | |
fc7948fa | 31 | #include "memory_vty.h" |
508e53e2 | 32 | #include "if.h" |
33 | #include "filter.h" | |
34 | #include "prefix.h" | |
35 | #include "plist.h" | |
edd7c245 | 36 | #include "privs.h" |
e42f5a37 | 37 | #include "sigevent.h" |
87362ceb | 38 | #include "zclient.h" |
6a69b354 | 39 | #include "vrf.h" |
567b877d | 40 | #include "bfd.h" |
4f04a76b | 41 | #include "libfrr.h" |
718e3744 | 42 | |
43 | #include "ospf6d.h" | |
87362ceb DO |
44 | #include "ospf6_top.h" |
45 | #include "ospf6_message.h" | |
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 */ |
508e53e2 | 58 | zebra_capabilities_t _caps_p [] = |
edd7c245 | 59 | { |
ceacedba | 60 | ZCAP_NET_RAW, |
edd7c245 | 61 | ZCAP_BIND |
62 | }; | |
63 | ||
64 | struct zebra_privs_t ospf6d_privs = | |
65 | { | |
b2f36157 DL |
66 | #if defined(FRR_USER) |
67 | .user = FRR_USER, | |
edd7c245 | 68 | #endif |
b2f36157 DL |
69 | #if defined FRR_GROUP |
70 | .group = FRR_GROUP, | |
d81fadfd | 71 | #endif |
72 | #ifdef VTY_GROUP | |
73 | .vty_group = VTY_GROUP, | |
edd7c245 | 74 | #endif |
75 | .caps_p = _caps_p, | |
76 | .cap_num_p = 2, | |
77 | .cap_num_i = 0 | |
78 | }; | |
79 | ||
718e3744 | 80 | /* ospf6d options, we use GNU getopt library. */ |
81 | struct option longopts[] = | |
82 | { | |
718e3744 | 83 | { 0 } |
84 | }; | |
85 | ||
718e3744 | 86 | /* Master of threads. */ |
87 | struct thread_master *master; | |
88 | ||
c143c38b | 89 | static void __attribute__ ((noreturn)) |
ae2254aa TG |
90 | ospf6_exit (int status) |
91 | { | |
d9628728 CF |
92 | struct listnode *node; |
93 | struct interface *ifp; | |
ae2254aa TG |
94 | |
95 | if (ospf6) | |
96 | ospf6_delete (ospf6); | |
97 | ||
567b877d | 98 | bfd_gbl_exit(); |
99 | ||
b2d7c082 | 100 | for (ALL_LIST_ELEMENTS_RO (vrf_iflist (VRF_DEFAULT), node, ifp)) |
d9628728 CF |
101 | if (ifp->info != NULL) |
102 | ospf6_interface_delete(ifp->info); | |
103 | ||
ae2254aa TG |
104 | ospf6_message_terminate (); |
105 | ospf6_asbr_terminate (); | |
106 | ospf6_lsa_terminate (); | |
107 | ||
6a69b354 | 108 | vrf_terminate (); |
ae2254aa TG |
109 | vty_terminate (); |
110 | cmd_terminate (); | |
111 | ||
112 | if (zclient) | |
113 | zclient_free (zclient); | |
114 | ||
115 | if (master) | |
116 | thread_master_free (master); | |
117 | ||
bf1013e6 | 118 | closezlog (); |
ae2254aa TG |
119 | |
120 | exit (status); | |
121 | } | |
122 | ||
718e3744 | 123 | /* SIGHUP handler. */ |
6ac29a51 | 124 | static void |
e42f5a37 | 125 | sighup (void) |
718e3744 | 126 | { |
127 | zlog_info ("SIGHUP received"); | |
718e3744 | 128 | } |
129 | ||
130 | /* SIGINT handler. */ | |
6ac29a51 | 131 | static void |
e42f5a37 | 132 | sigint (void) |
718e3744 | 133 | { |
887c44a4 | 134 | zlog_notice ("Terminating on signal SIGINT"); |
ae2254aa | 135 | ospf6_exit (0); |
718e3744 | 136 | } |
137 | ||
138 | /* SIGTERM handler. */ | |
6ac29a51 | 139 | static void |
e42f5a37 | 140 | sigterm (void) |
718e3744 | 141 | { |
887c44a4 | 142 | zlog_notice ("Terminating on signal SIGTERM"); |
ef2d5d10 | 143 | ospf6_clean(); |
ae2254aa | 144 | ospf6_exit (0); |
718e3744 | 145 | } |
146 | ||
147 | /* SIGUSR1 handler. */ | |
6ac29a51 | 148 | static void |
e42f5a37 | 149 | sigusr1 (void) |
718e3744 | 150 | { |
151 | zlog_info ("SIGUSR1 received"); | |
dd8376fe | 152 | zlog_rotate(); |
718e3744 | 153 | } |
154 | ||
e42f5a37 | 155 | struct quagga_signal_t ospf6_signals[] = |
718e3744 | 156 | { |
e42f5a37 | 157 | { |
158 | .signal = SIGHUP, | |
159 | .handler = &sighup, | |
160 | }, | |
161 | { | |
162 | .signal = SIGINT, | |
163 | .handler = &sigint, | |
164 | }, | |
165 | { | |
166 | .signal = SIGTERM, | |
167 | .handler = &sigterm, | |
168 | }, | |
169 | { | |
170 | .signal = SIGUSR1, | |
171 | .handler = &sigusr1, | |
172 | }, | |
173 | }; | |
508e53e2 | 174 | |
4f04a76b DL |
175 | FRR_DAEMON_INFO(ospf6d, OSPF6, |
176 | .vty_port = OSPF6_VTY_PORT, | |
177 | ||
178 | .proghelp = "Implementation of the OSPFv3 routing protocol.", | |
179 | ||
180 | .signals = ospf6_signals, | |
181 | .n_signals = array_size(ospf6_signals), | |
182 | ||
183 | .privs = &ospf6d_privs, | |
184 | ) | |
185 | ||
508e53e2 | 186 | /* Main routine of ospf6d. Treatment of argument and starting ospf finite |
718e3744 | 187 | state machine is handled here. */ |
188 | int | |
189 | main (int argc, char *argv[], char *envp[]) | |
190 | { | |
718e3744 | 191 | int opt; |
718e3744 | 192 | |
4f04a76b | 193 | frr_preinit (&ospf6d_di, argc, argv); |
eb05883f | 194 | frr_opt_add ("", longopts, ""); |
c3c0ac83 | 195 | |
718e3744 | 196 | /* Command line argument treatment. */ |
197 | while (1) | |
198 | { | |
4f04a76b | 199 | opt = frr_getopt (argc, argv, NULL); |
718e3744 | 200 | |
201 | if (opt == EOF) | |
202 | break; | |
203 | ||
204 | switch (opt) | |
205 | { | |
206 | case 0: | |
207 | break; | |
718e3744 | 208 | default: |
4f04a76b | 209 | frr_help_exit (1); |
718e3744 | 210 | break; |
211 | } | |
212 | } | |
213 | ||
6fd16207 VT |
214 | if (geteuid () != 0) |
215 | { | |
216 | errno = EPERM; | |
4f04a76b | 217 | perror (ospf6d_di.progname); |
6fd16207 VT |
218 | exit (1); |
219 | } | |
220 | ||
718e3744 | 221 | /* thread master */ |
4f04a76b | 222 | master = frr_init (); |
2caa9b39 | 223 | |
6df85364 | 224 | vrf_init (NULL, NULL, NULL, NULL); |
508e53e2 | 225 | access_list_init (); |
226 | prefix_list_init (); | |
227 | ||
228 | /* initialize ospf6 */ | |
229 | ospf6_init (); | |
230 | ||
eb05883f | 231 | frr_config_fork (); |
16077f2f | 232 | frr_run (master); |
718e3744 | 233 | |
234 | /* Not reached. */ | |
ae2254aa | 235 | ospf6_exit (0); |
718e3744 | 236 | } |
237 | ||
508e53e2 | 238 |