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10fe382b DL |
1 | /* |
2 | * PIMv6 main() | |
3 | * Copyright (C) 2021 David Lamparter for NetDEF, Inc. | |
4 | * Copyright (C) 2008 Everton da Silva Marques (pim_main.c) | |
5 | * | |
6 | * This program 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 Free | |
8 | * Software Foundation; either version 2 of the License, or (at your option) | |
9 | * any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
14 | * more details. | |
15 | * | |
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 | |
19 | */ | |
20 | ||
21 | #include <zebra.h> | |
22 | ||
23 | #include "lib/vrf.h" | |
24 | #include "lib/filter.h" | |
25 | #include "lib/plist.h" | |
26 | #include "lib/routemap.h" | |
27 | #include "lib/routing_nb.h" | |
28 | ||
29 | #include "lib/privs.h" | |
30 | #include "lib/sigevent.h" | |
31 | #include "lib/libfrr.h" | |
32 | #include "lib/version.h" | |
33 | ||
34 | #include "pimd.h" | |
35 | #include "pim_instance.h" | |
36 | #include "pim_errors.h" | |
37 | #include "pim_iface.h" | |
38 | #include "pim_zebra.h" | |
e8515e32 | 39 | #include "pim_nb.h" |
5d613d13 | 40 | #include "pim6_cmd.h" |
5e5034b0 | 41 | #include "pim6_mld.h" |
10fe382b DL |
42 | |
43 | zebra_capabilities_t _caps_p[] = { | |
44 | ZCAP_SYS_ADMIN, | |
45 | ZCAP_NET_ADMIN, | |
46 | ZCAP_NET_RAW, | |
47 | ZCAP_BIND, | |
48 | }; | |
49 | ||
50 | /* pimd privileges to run with */ | |
51 | struct zebra_privs_t pimd_privs = { | |
52 | #if defined(FRR_USER) && defined(FRR_GROUP) | |
53 | .user = FRR_USER, | |
54 | .group = FRR_GROUP, | |
55 | #endif | |
56 | #ifdef VTY_GROUP | |
57 | .vty_group = VTY_GROUP, | |
58 | #endif | |
59 | .caps_p = _caps_p, | |
60 | .cap_num_p = array_size(_caps_p), | |
61 | .cap_num_i = 0, | |
62 | }; | |
63 | ||
64 | static void pim6_terminate(void); | |
65 | ||
66 | static void pim6_sighup(void) | |
67 | { | |
68 | zlog_info("SIGHUP received, ignoring"); | |
69 | } | |
70 | ||
71 | static void pim6_sigint(void) | |
72 | { | |
73 | zlog_notice("Terminating on signal SIGINT"); | |
74 | pim6_terminate(); | |
75 | exit(1); | |
76 | } | |
77 | ||
78 | static void pim6_sigterm(void) | |
79 | { | |
80 | zlog_notice("Terminating on signal SIGTERM"); | |
81 | pim6_terminate(); | |
82 | exit(1); | |
83 | } | |
84 | ||
85 | static void pim6_sigusr1(void) | |
86 | { | |
87 | zlog_rotate(); | |
88 | } | |
89 | ||
90 | struct frr_signal_t pim6d_signals[] = { | |
91 | { | |
92 | .signal = SIGHUP, | |
93 | .handler = &pim6_sighup, | |
94 | }, | |
95 | { | |
96 | .signal = SIGUSR1, | |
97 | .handler = &pim6_sigusr1, | |
98 | }, | |
99 | { | |
100 | .signal = SIGINT, | |
101 | .handler = &pim6_sigint, | |
102 | }, | |
103 | { | |
104 | .signal = SIGTERM, | |
105 | .handler = &pim6_sigterm, | |
106 | }, | |
107 | }; | |
108 | ||
109 | static const struct frr_yang_module_info *const pim6d_yang_modules[] = { | |
110 | &frr_filter_info, | |
111 | &frr_interface_info, | |
112 | &frr_route_map_info, | |
113 | &frr_vrf_info, | |
114 | &frr_routing_info, | |
e8515e32 | 115 | &frr_pim_info, |
116 | &frr_pim_rp_info, | |
117 | &frr_gmp_info, | |
10fe382b DL |
118 | }; |
119 | ||
120 | /* clang-format off */ | |
121 | FRR_DAEMON_INFO(pim6d, PIM6, | |
8a86ada1 | 122 | .vty_port = PIM6D_VTY_PORT, |
10fe382b DL |
123 | .proghelp = "Protocol Independent Multicast (RFC7761) for IPv6", |
124 | ||
125 | .signals = pim6d_signals, | |
126 | .n_signals = array_size(pim6d_signals), | |
127 | ||
128 | .privs = &pimd_privs, | |
129 | ||
130 | .yang_modules = pim6d_yang_modules, | |
131 | .n_yang_modules = array_size(pim6d_yang_modules), | |
132 | ); | |
133 | /* clang-format on */ | |
134 | ||
10fe382b DL |
135 | int main(int argc, char **argv, char **envp) |
136 | { | |
137 | static struct option longopts[] = { | |
138 | {}, | |
139 | }; | |
140 | ||
141 | frr_preinit(&pim6d_di, argc, argv); | |
142 | frr_opt_add("", longopts, ""); | |
143 | ||
144 | /* this while just reads the options */ | |
145 | while (1) { | |
146 | int opt; | |
147 | ||
148 | opt = frr_getopt(argc, argv, NULL); | |
149 | ||
150 | if (opt == EOF) | |
151 | break; | |
152 | ||
153 | switch (opt) { | |
154 | case 0: | |
155 | break; | |
156 | default: | |
157 | frr_help_exit(1); | |
158 | } | |
159 | } | |
160 | ||
161 | pim_router_init(); | |
10fe382b DL |
162 | |
163 | access_list_init(); | |
164 | prefix_list_init(); | |
165 | ||
166 | /* | |
167 | * Initializations | |
168 | */ | |
169 | pim_error_init(); | |
170 | pim_vrf_init(); | |
171 | #if 0 | |
172 | prefix_list_add_hook(pim_prefix_list_update); | |
173 | prefix_list_delete_hook(pim_prefix_list_update); | |
174 | ||
175 | pim_route_map_init(); | |
10fe382b | 176 | #endif |
334326ed | 177 | pim_init(); |
10fe382b DL |
178 | /* |
179 | * Initialize zclient "update" and "lookup" sockets | |
180 | */ | |
6b88faa7 | 181 | pim_iface_init(); |
10fe382b | 182 | |
5e5034b0 DL |
183 | gm_cli_init(); |
184 | ||
10fe382b | 185 | pim_zebra_init(); |
94120cb2 | 186 | #if 0 |
10fe382b DL |
187 | pim_bfd_init(); |
188 | pim_mlag_init(); | |
ac529e18 | 189 | #endif |
10fe382b DL |
190 | |
191 | hook_register(routing_conf_event, | |
192 | routing_control_plane_protocols_name_validate); | |
193 | ||
194 | routing_control_plane_protocols_register_vrf_dependency(); | |
10fe382b DL |
195 | |
196 | frr_config_fork(); | |
197 | frr_run(router->master); | |
198 | ||
199 | /* never reached */ | |
200 | return 0; | |
201 | } | |
202 | ||
203 | static void pim6_terminate(void) | |
204 | { | |
205 | pim_vrf_terminate(); | |
206 | pim_router_terminate(); | |
207 | ||
208 | prefix_list_reset(); | |
209 | access_list_reset(); | |
210 | ||
211 | frr_fini(); | |
212 | } |