mirror of
https://gitlab.nic.cz/labs/bird.git
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130 lines
2.1 KiB
C
130 lines
2.1 KiB
C
/*
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* BIRD Internet Routing Daemon -- Unix Entry Point
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*
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* (c) 1998--2000 Martin Mares <mj@ucw.cz>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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#ifndef _GNU_SOURCE
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#define _GNU_SOURCE
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <signal.h>
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#include <pwd.h>
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#include <grp.h>
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#include <sys/stat.h>
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#include <libgen.h>
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#include "nest/bird.h"
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#include "lib/lists.h"
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#include "lib/resource.h"
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#include "lib/socket.h"
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#include "lib/event.h"
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#include "lib/string.h"
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#include "nest/route.h"
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#include "nest/protocol.h"
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#include "nest/iface.h"
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#include "nest/cli.h"
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#include "nest/locks.h"
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#include "conf/conf.h"
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#include "filter/filter.h"
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#include "unix.h"
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#include "krt.h"
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#include "lib/main_helper.h"
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/*
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* Hic Est main()
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*/
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int
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main(int argc, char **argv)
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{
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#ifdef HAVE_LIBDMALLOC
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if (!getenv("DMALLOC_OPTIONS"))
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dmalloc_debug(0x2f03d00);
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#endif
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parse_args(argc, argv);
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if (debug_flag == 1)
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log_init_debug("");
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log_switch(debug_flag, NULL, NULL);
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resource_init();
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olock_init();
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io_init();
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rt_init();
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if_init();
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roa_init();
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config_init();
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uid_t use_uid = get_uid(use_user);
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gid_t use_gid = get_gid(use_group);
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if (!parse_and_exit)
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{
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test_old_bird(path_control_socket);
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cli_init_unix(use_uid, use_gid);
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}
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if (use_gid)
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drop_gid(use_gid);
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if (use_uid)
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drop_uid(use_uid);
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if (!parse_and_exit)
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open_pid_file();
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protos_build();
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proto_build(&proto_unix_kernel);
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proto_build(&proto_unix_iface);
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struct config *conf = read_config();
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if (parse_and_exit)
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exit(0);
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if (!(debug_flag||run_in_foreground))
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{
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pid_t pid = fork();
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if (pid < 0)
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die("fork: %m");
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if (pid)
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return 0;
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setsid();
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close(0);
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if (open("/dev/null", O_RDWR) < 0)
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die("Cannot open /dev/null: %m");
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dup2(0, 1);
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dup2(0, 2);
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}
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main_thread_init();
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write_pid_file();
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signal_init();
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config_commit(conf, RECONFIG_HARD, 0);
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graceful_restart_init();
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#ifdef LOCAL_DEBUG
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async_dump_flag = 1;
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#endif
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log(L_INFO "Started");
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DBG("Entering I/O loop.\n");
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io_loop();
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bug("I/O loop died");
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}
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