[b7d3cc34] | 1 | /********************************************************************\ |
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| 2 | * BitlBee -- An IRC to other IM-networks gateway * |
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| 3 | * * |
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| 4 | * Copyright 2002-2004 Wilmer van der Gaast and others * |
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| 5 | \********************************************************************/ |
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| 6 | |
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| 7 | /* Main file (Unix specific part) */ |
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| 8 | |
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| 9 | /* |
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| 10 | This program is free software; you can redistribute it and/or modify |
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| 11 | it under the terms of the GNU General Public License as published by |
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| 12 | the Free Software Foundation; either version 2 of the License, or |
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| 13 | (at your option) any later version. |
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| 14 | |
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| 15 | This program is distributed in the hope that it will be useful, |
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| 16 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 18 | GNU General Public License for more details. |
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| 19 | |
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| 20 | You should have received a copy of the GNU General Public License with |
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| 21 | the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL; |
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| 22 | if not, write to the Free Software Foundation, Inc., 59 Temple Place, |
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| 23 | Suite 330, Boston, MA 02111-1307 USA |
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| 24 | */ |
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| 25 | |
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| 26 | #include "bitlbee.h" |
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| 27 | #include "commands.h" |
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| 28 | #include "crypting.h" |
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| 29 | #include "protocols/nogaim.h" |
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| 30 | #include "help.h" |
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| 31 | #include <signal.h> |
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| 32 | #include <unistd.h> |
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| 33 | #include <sys/time.h> |
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| 34 | |
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| 35 | global_t global; /* Against global namespace pollution */ |
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| 36 | |
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| 37 | static void sighandler( int signal ); |
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| 38 | |
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| 39 | int main( int argc, char *argv[] ) |
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| 40 | { |
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| 41 | int i = 0; |
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| 42 | struct sigaction sig, old; |
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| 43 | |
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| 44 | memset( &global, 0, sizeof( global_t ) ); |
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| 45 | |
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| 46 | global.loop = g_main_new( FALSE ); |
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| 47 | |
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| 48 | log_init( ); |
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[7b23afd] | 49 | |
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| 50 | nogaim_init(); |
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| 51 | |
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[b7d3cc34] | 52 | CONF_FILE = g_strdup( CONF_FILE_DEF ); |
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| 53 | |
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| 54 | global.helpfile = g_strdup( HELP_FILE ); |
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[1ee6c18] | 55 | |
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[b7d3cc34] | 56 | global.conf = conf_load( argc, argv ); |
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| 57 | if( global.conf == NULL ) |
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| 58 | return( 1 ); |
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[1ee6c18] | 59 | |
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| 60 | |
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[b7d3cc34] | 61 | if( global.conf->runmode == RUNMODE_INETD ) |
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| 62 | { |
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| 63 | i = bitlbee_inetd_init(); |
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| 64 | log_message( LOGLVL_INFO, "Bitlbee %s starting in inetd mode.", BITLBEE_VERSION ); |
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| 65 | |
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| 66 | } |
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| 67 | else if( global.conf->runmode == RUNMODE_DAEMON ) |
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| 68 | { |
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| 69 | i = bitlbee_daemon_init(); |
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| 70 | log_message( LOGLVL_INFO, "Bitlbee %s starting in daemon mode.", BITLBEE_VERSION ); |
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| 71 | } |
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| 72 | if( i != 0 ) |
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| 73 | return( i ); |
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[1ee6c18] | 74 | |
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[b73ac9c] | 75 | global.storage = storage_init( global.conf->primary_storage, |
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| 76 | global.conf->migrate_storage ); |
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[1ee6c18] | 77 | if ( global.storage == NULL) { |
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[b73ac9c] | 78 | log_message( LOGLVL_ERROR, "Unable to load storage backend '%s'", global.conf->primary_storage ); |
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[1ee6c18] | 79 | return( 1 ); |
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| 80 | } |
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| 81 | |
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[b7d3cc34] | 82 | |
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| 83 | /* Catch some signals to tell the user what's happening before quitting */ |
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| 84 | memset( &sig, 0, sizeof( sig ) ); |
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| 85 | sig.sa_handler = sighandler; |
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| 86 | sigaction( SIGPIPE, &sig, &old ); |
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| 87 | sig.sa_flags = SA_RESETHAND; |
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| 88 | sigaction( SIGINT, &sig, &old ); |
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| 89 | sigaction( SIGILL, &sig, &old ); |
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| 90 | sigaction( SIGBUS, &sig, &old ); |
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| 91 | sigaction( SIGFPE, &sig, &old ); |
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| 92 | sigaction( SIGSEGV, &sig, &old ); |
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| 93 | sigaction( SIGTERM, &sig, &old ); |
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| 94 | sigaction( SIGQUIT, &sig, &old ); |
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| 95 | sigaction( SIGXCPU, &sig, &old ); |
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| 96 | |
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| 97 | if( !getuid() || !geteuid() ) |
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| 98 | log_message( LOGLVL_WARNING, "BitlBee is running with root privileges. Why?" ); |
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| 99 | if( help_init( &(global.help) ) == NULL ) |
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| 100 | log_message( LOGLVL_WARNING, "Error opening helpfile %s.", HELP_FILE ); |
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| 101 | |
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| 102 | g_main_run( global.loop ); |
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| 103 | |
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| 104 | return( 0 ); |
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| 105 | } |
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| 106 | |
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| 107 | static void sighandler( int signal ) |
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| 108 | { |
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| 109 | /* FIXME: In fact, calling log_message() here can be dangerous. But well, let's take the risk for now. */ |
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| 110 | |
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| 111 | if( signal == SIGTERM ) |
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| 112 | { |
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| 113 | static int first = 1; |
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| 114 | |
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| 115 | if( first ) |
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| 116 | { |
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| 117 | /* We don't know what we were doing when this signal came in. It's not safe to touch |
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| 118 | the user data now (not to mention writing them to disk), so add a timer. */ |
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| 119 | |
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| 120 | log_message( LOGLVL_ERROR, "SIGTERM received, cleaning up process." ); |
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| 121 | g_timeout_add_full( G_PRIORITY_LOW, 1, (GSourceFunc) bitlbee_shutdown, NULL, NULL ); |
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| 122 | |
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| 123 | first = 0; |
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| 124 | } |
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| 125 | else |
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| 126 | { |
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| 127 | /* Well, actually, for now we'll never need this part because this signal handler |
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| 128 | will never be called more than once in a session for a non-SIGPIPE signal... |
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| 129 | But just in case we decide to change that: */ |
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| 130 | |
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| 131 | log_message( LOGLVL_ERROR, "SIGTERM received twice, so long for a clean shutdown." ); |
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| 132 | raise( signal ); |
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| 133 | } |
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| 134 | } |
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| 135 | else if( signal != SIGPIPE ) |
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| 136 | { |
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| 137 | log_message( LOGLVL_ERROR, "Fatal signal received: %d. That's probably a bug.", signal ); |
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| 138 | raise( signal ); |
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| 139 | } |
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| 140 | } |
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| 141 | |
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| 142 | double gettime() |
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| 143 | { |
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| 144 | struct timeval time[1]; |
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| 145 | |
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| 146 | gettimeofday( time, 0 ); |
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| 147 | return( (double) time->tv_sec + (double) time->tv_usec / 1000000 ); |
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| 148 | } |
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