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12e41d03 DL |
1 | /* |
2 | PIM for Quagga | |
3 | Copyright (C) 2008 Everton da Silva Marques | |
4 | ||
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 2 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, but | |
11 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program; see the file COPYING; if not, write to the | |
17 | Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, | |
18 | MA 02110-1301 USA | |
7e0cff2f | 19 | |
12e41d03 DL |
20 | */ |
21 | ||
22 | #include <zebra.h> | |
23 | ||
24 | #include "log.h" | |
25 | #include "privs.h" | |
26 | #include "version.h" | |
27 | #include <getopt.h> | |
28 | #include "command.h" | |
29 | #include "thread.h" | |
30 | #include <signal.h> | |
31 | ||
32 | #include "memory.h" | |
fc7948fa DL |
33 | #include "vrf.h" |
34 | #include "memory_vty.h" | |
12e41d03 DL |
35 | #include "filter.h" |
36 | #include "vty.h" | |
37 | #include "sigevent.h" | |
38 | #include "version.h" | |
0e8ce7e6 DS |
39 | #include "prefix.h" |
40 | #include "plist.h" | |
48e8451b | 41 | #include "vrf.h" |
12e41d03 DL |
42 | |
43 | #include "pimd.h" | |
44 | #include "pim_version.h" | |
45 | #include "pim_signals.h" | |
46 | #include "pim_zebra.h" | |
47 | ||
48 | #ifdef PIM_ZCLIENT_DEBUG | |
49 | extern int zclient_debug; | |
50 | #endif | |
51 | ||
52 | extern struct host host; | |
53 | ||
54 | char config_default[] = SYSCONFDIR PIMD_DEFAULT_CONFIG; | |
55 | ||
56 | struct option longopts[] = { | |
57 | { "daemon", no_argument, NULL, 'd'}, | |
58 | { "config_file", required_argument, NULL, 'f'}, | |
59 | { "pid_file", required_argument, NULL, 'i'}, | |
60 | { "vty_addr", required_argument, NULL, 'A'}, | |
61 | { "vty_port", required_argument, NULL, 'P'}, | |
62 | { "version", no_argument, NULL, 'v'}, | |
63 | { "debug_zclient", no_argument, NULL, 'Z'}, | |
64 | { "help", no_argument, NULL, 'h'}, | |
65 | { 0 } | |
66 | }; | |
67 | ||
68 | /* pimd privileges */ | |
69 | zebra_capabilities_t _caps_p [] = | |
70 | { | |
71 | ZCAP_NET_ADMIN, | |
72 | ZCAP_SYS_ADMIN, | |
73 | ZCAP_NET_RAW, | |
74 | }; | |
75 | ||
76 | /* pimd privileges to run with */ | |
77 | struct zebra_privs_t pimd_privs = | |
78 | { | |
79 | #if defined(QUAGGA_USER) && defined(QUAGGA_GROUP) | |
80 | .user = QUAGGA_USER, | |
81 | .group = QUAGGA_GROUP, | |
82 | #endif | |
83 | #ifdef VTY_GROUP | |
84 | .vty_group = VTY_GROUP, | |
85 | #endif | |
86 | .caps_p = _caps_p, | |
87 | .cap_num_p = sizeof(_caps_p)/sizeof(_caps_p[0]), | |
88 | .cap_num_i = 0 | |
89 | }; | |
90 | ||
91 | char* progname; | |
92 | const char *pid_file = PATH_PIMD_PID; | |
93 | ||
94 | static void usage(int status) | |
95 | { | |
96 | if (status != 0) | |
97 | fprintf (stderr, "Try `%s --help' for more information.\n", progname); | |
98 | else { | |
99 | printf ("Usage : %s [OPTION...]\n\ | |
100 | Daemon which manages PIM.\n\n\ | |
101 | -d, --daemon Run in daemon mode\n\ | |
102 | -f, --config_file Set configuration file name\n\ | |
103 | -i, --pid_file Set process identifier file name\n\ | |
104 | -z, --socket Set path of zebra socket\n\ | |
105 | -A, --vty_addr Set vty's bind address\n\ | |
106 | -P, --vty_port Set vty's port number\n\ | |
107 | -v, --version Print program version\n\ | |
108 | " | |
109 | ||
110 | #ifdef PIM_ZCLIENT_DEBUG | |
111 | "\ | |
112 | -Z, --debug_zclient Enable zclient debugging\n\ | |
113 | " | |
114 | #endif | |
115 | ||
116 | "\ | |
117 | -h, --help Display this help and exit\n\ | |
118 | \n\ | |
0252d82d | 119 | Report bugs to %s\n", progname, PACKAGE_BUGREPORT); |
12e41d03 DL |
120 | } |
121 | ||
122 | exit (status); | |
123 | } | |
124 | ||
125 | ||
126 | int main(int argc, char** argv, char** envp) { | |
127 | char *p; | |
128 | char *vty_addr = NULL; | |
129 | int vty_port = -1; | |
130 | int daemon_mode = 0; | |
131 | char *config_file = NULL; | |
132 | char *zebra_sock_path = NULL; | |
133 | struct thread thread; | |
134 | ||
135 | umask(0027); | |
136 | ||
137 | progname = ((p = strrchr(argv[0], '/')) ? ++p : argv[0]); | |
f28692a4 | 138 | |
469351b3 | 139 | zlog_default = openzlog(progname, ZLOG_PIM, 0, |
12e41d03 | 140 | LOG_CONS|LOG_NDELAY|LOG_PID, LOG_DAEMON); |
2caa9b39 | 141 | zprivs_init (&pimd_privs); |
c05795b1 SK |
142 | #if defined(HAVE_CUMULUS) |
143 | zlog_set_level (NULL, ZLOG_DEST_SYSLOG, zlog_default->default_lvl); | |
144 | #endif | |
f28692a4 | 145 | |
12e41d03 DL |
146 | /* this while just reads the options */ |
147 | while (1) { | |
148 | int opt; | |
149 | ||
150 | opt = getopt_long (argc, argv, "df:i:z:A:P:vZh", longopts, 0); | |
151 | ||
152 | if (opt == EOF) | |
153 | break; | |
154 | ||
155 | switch (opt) { | |
156 | case 0: | |
157 | break; | |
158 | case 'd': | |
159 | daemon_mode = 1; | |
160 | break; | |
161 | case 'f': | |
162 | config_file = optarg; | |
163 | break; | |
164 | case 'i': | |
165 | pid_file = optarg; | |
166 | break; | |
167 | case 'z': | |
168 | zebra_sock_path = optarg; | |
169 | break; | |
170 | case 'A': | |
171 | vty_addr = optarg; | |
172 | break; | |
173 | case 'P': | |
174 | vty_port = atoi (optarg); | |
175 | break; | |
176 | case 'v': | |
177 | printf(PIMD_PROGNAME " version %s\n", PIMD_VERSION); | |
178 | print_version(QUAGGA_PROGNAME); | |
179 | exit (0); | |
180 | break; | |
181 | #ifdef PIM_ZCLIENT_DEBUG | |
182 | case 'Z': | |
183 | zclient_debug = 1; | |
184 | break; | |
185 | #endif | |
186 | case 'h': | |
187 | usage (0); | |
188 | break; | |
189 | default: | |
190 | usage (1); | |
191 | break; | |
192 | } | |
193 | } | |
194 | ||
195 | master = thread_master_create(); | |
196 | ||
12e41d03 DL |
197 | zlog_notice("Quagga %s " PIMD_PROGNAME " %s starting", |
198 | QUAGGA_VERSION, PIMD_VERSION); | |
199 | ||
200 | /* | |
201 | * Initializations | |
202 | */ | |
12e41d03 DL |
203 | pim_signals_init(); |
204 | cmd_init(1); | |
205 | vty_init(master); | |
206 | memory_init(); | |
48e8451b | 207 | vrf_init (); |
12e41d03 | 208 | access_list_init(); |
0e8ce7e6 DS |
209 | prefix_list_init (); |
210 | pim_route_map_init (); | |
12e41d03 DL |
211 | pim_init(); |
212 | ||
213 | /* | |
18a23295 | 214 | * Initialize zclient "update" and "lookup" sockets |
12e41d03 DL |
215 | */ |
216 | pim_zebra_init(zebra_sock_path); | |
217 | ||
218 | zlog_notice("Loading configuration - begin"); | |
219 | ||
220 | /* Get configuration file. */ | |
221 | vty_read_config(config_file, config_default); | |
222 | ||
223 | /* | |
224 | Starting from here zlog_* functions will log according configuration | |
225 | */ | |
226 | ||
227 | zlog_notice("Loading configuration - end"); | |
228 | ||
229 | /* Change to the daemon program. */ | |
230 | if (daemon_mode) { | |
231 | if (daemon(0, 0)) { | |
232 | zlog_warn("failed to daemonize"); | |
233 | } | |
234 | } | |
235 | ||
236 | /* Process ID file creation. */ | |
237 | pid_output(pid_file); | |
238 | ||
239 | /* Create pimd VTY socket */ | |
240 | if (vty_port < 0) | |
241 | vty_port = PIMD_VTY_PORT; | |
242 | vty_serv_sock(vty_addr, vty_port, PIM_VTYSH_PATH); | |
243 | ||
244 | zlog_notice("Quagga %s " PIMD_PROGNAME " %s starting, VTY interface at port TCP %d", | |
245 | QUAGGA_VERSION, PIMD_VERSION, vty_port); | |
246 | ||
247 | #ifdef PIM_DEBUG_BYDEFAULT | |
248 | zlog_notice("PIM_DEBUG_BYDEFAULT: Enabling all debug commands"); | |
249 | PIM_DO_DEBUG_PIM_EVENTS; | |
250 | PIM_DO_DEBUG_PIM_PACKETS; | |
251 | PIM_DO_DEBUG_PIM_TRACE; | |
252 | PIM_DO_DEBUG_IGMP_EVENTS; | |
253 | PIM_DO_DEBUG_IGMP_PACKETS; | |
254 | PIM_DO_DEBUG_IGMP_TRACE; | |
255 | PIM_DO_DEBUG_ZEBRA; | |
256 | #endif | |
257 | ||
258 | #ifdef PIM_ZCLIENT_DEBUG | |
259 | zlog_notice("PIM_ZCLIENT_DEBUG: zclient debugging is supported, mode is %s (see option -Z)", | |
260 | zclient_debug ? "ON" : "OFF"); | |
261 | #endif | |
262 | ||
263 | #ifdef PIM_CHECK_RECV_IFINDEX_SANITY | |
264 | zlog_notice("PIM_CHECK_RECV_IFINDEX_SANITY: will match sock/recv ifindex"); | |
265 | #ifdef PIM_REPORT_RECV_IFINDEX_MISMATCH | |
266 | zlog_notice("PIM_REPORT_RECV_IFINDEX_MISMATCH: will report sock/recv ifindex mismatch"); | |
267 | #endif | |
268 | #endif | |
269 | ||
270 | #ifdef PIM_UNEXPECTED_KERNEL_UPCALL | |
271 | zlog_notice("PIM_UNEXPECTED_KERNEL_UPCALL: report unexpected kernel upcall"); | |
272 | #endif | |
273 | ||
274 | #ifdef HAVE_CLOCK_MONOTONIC | |
275 | zlog_notice("HAVE_CLOCK_MONOTONIC"); | |
276 | #else | |
277 | zlog_notice("!HAVE_CLOCK_MONOTONIC"); | |
278 | #endif | |
279 | ||
280 | while (thread_fetch(master, &thread)) | |
281 | thread_call(&thread); | |
282 | ||
283 | zlog_err("%s %s: thread_fetch() returned NULL, exiting", | |
284 | __FILE__, __PRETTY_FUNCTION__); | |
285 | ||
286 | /* never reached */ | |
287 | return 0; | |
288 | } |