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1 | /* RIPd main routine. | |
2 | * Copyright (C) 1997, 98 Kunihiro Ishiguro <kunihiro@zebra.org> | |
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 | * | |
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/version.h> | |
24 | #include "getopt.h" | |
25 | #include "thread.h" | |
26 | #include "command.h" | |
27 | #include "memory.h" | |
28 | #include "memory_vty.h" | |
29 | #include "prefix.h" | |
30 | #include "filter.h" | |
31 | #include "keychain.h" | |
32 | #include "log.h" | |
33 | #include "privs.h" | |
34 | #include "sigevent.h" | |
35 | #include "zclient.h" | |
36 | #include "vrf.h" | |
37 | #include "if_rmap.h" | |
38 | #include "libfrr.h" | |
39 | ||
40 | #include "ripd/ripd.h" | |
41 | #include "ripd/rip_errors.h" | |
42 | ||
43 | /* ripd options. */ | |
44 | static struct option longopts[] = {{0}}; | |
45 | ||
46 | /* ripd privileges */ | |
47 | zebra_capabilities_t _caps_p[] = {ZCAP_NET_RAW, ZCAP_BIND, ZCAP_SYS_ADMIN}; | |
48 | ||
49 | struct zebra_privs_t ripd_privs = { | |
50 | #if defined(FRR_USER) | |
51 | .user = FRR_USER, | |
52 | #endif | |
53 | #if defined FRR_GROUP | |
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 | /* Master of threads. */ | |
64 | struct thread_master *master; | |
65 | ||
66 | static struct frr_daemon_info ripd_di; | |
67 | ||
68 | /* SIGHUP handler. */ | |
69 | static void sighup(void) | |
70 | { | |
71 | zlog_info("SIGHUP received"); | |
72 | ||
73 | /* Reload config file. */ | |
74 | vty_read_config(NULL, ripd_di.config_file, config_default); | |
75 | } | |
76 | ||
77 | /* SIGINT handler. */ | |
78 | static void sigint(void) | |
79 | { | |
80 | zlog_notice("Terminating on signal"); | |
81 | ||
82 | rip_vrf_terminate(); | |
83 | if_rmap_terminate(); | |
84 | rip_zclient_stop(); | |
85 | frr_fini(); | |
86 | ||
87 | exit(0); | |
88 | } | |
89 | ||
90 | /* SIGUSR1 handler. */ | |
91 | static void sigusr1(void) | |
92 | { | |
93 | zlog_rotate(); | |
94 | } | |
95 | ||
96 | static struct quagga_signal_t ripd_signals[] = { | |
97 | { | |
98 | .signal = SIGHUP, | |
99 | .handler = &sighup, | |
100 | }, | |
101 | { | |
102 | .signal = SIGUSR1, | |
103 | .handler = &sigusr1, | |
104 | }, | |
105 | { | |
106 | .signal = SIGINT, | |
107 | .handler = &sigint, | |
108 | }, | |
109 | { | |
110 | .signal = SIGTERM, | |
111 | .handler = &sigint, | |
112 | }, | |
113 | }; | |
114 | ||
115 | static const struct frr_yang_module_info *ripd_yang_modules[] = { | |
116 | &frr_interface_info, | |
117 | &frr_ripd_info, | |
118 | }; | |
119 | ||
120 | FRR_DAEMON_INFO(ripd, RIP, .vty_port = RIP_VTY_PORT, | |
121 | ||
122 | .proghelp = "Implementation of the RIP routing protocol.", | |
123 | ||
124 | .signals = ripd_signals, .n_signals = array_size(ripd_signals), | |
125 | ||
126 | .privs = &ripd_privs, .yang_modules = ripd_yang_modules, | |
127 | .n_yang_modules = array_size(ripd_yang_modules), ) | |
128 | ||
129 | #define DEPRECATED_OPTIONS "" | |
130 | ||
131 | /* Main routine of ripd. */ | |
132 | int main(int argc, char **argv) | |
133 | { | |
134 | frr_preinit(&ripd_di, argc, argv); | |
135 | ||
136 | frr_opt_add("" DEPRECATED_OPTIONS, longopts, ""); | |
137 | ||
138 | /* Command line option parse. */ | |
139 | while (1) { | |
140 | int opt; | |
141 | ||
142 | opt = frr_getopt(argc, argv, NULL); | |
143 | ||
144 | if (opt && opt < 128 && strchr(DEPRECATED_OPTIONS, opt)) { | |
145 | fprintf(stderr, | |
146 | "The -%c option no longer exists.\nPlease refer to the manual.\n", | |
147 | opt); | |
148 | continue; | |
149 | } | |
150 | ||
151 | if (opt == EOF) | |
152 | break; | |
153 | ||
154 | switch (opt) { | |
155 | case 0: | |
156 | break; | |
157 | default: | |
158 | frr_help_exit(1); | |
159 | break; | |
160 | } | |
161 | } | |
162 | ||
163 | /* Prepare master thread. */ | |
164 | master = frr_init(); | |
165 | ||
166 | /* Library initialization. */ | |
167 | rip_error_init(); | |
168 | keychain_init(); | |
169 | rip_vrf_init(); | |
170 | ||
171 | /* RIP related initialization. */ | |
172 | rip_init(); | |
173 | rip_if_init(); | |
174 | rip_cli_init(); | |
175 | rip_zclient_init(master); | |
176 | ||
177 | frr_config_fork(); | |
178 | frr_run(master); | |
179 | ||
180 | /* Not reached. */ | |
181 | return (0); | |
182 | } |