/* * ########################################################################## * ## ___ __ ______________ _____ ## * ## __ | / /___________ ____/__ /_______ __ /_ ## * ## __ | /| / /_ _ \ _ \ / __ __ \ __ `/ __/ ## * ## __ |/ |/ / / __/ __/ /___ _ / / / /_/ // /_ ## * ## ____/|__/ \___/\___/\____/ /_/ /_/\__,_/ \__/ ## * ## ## * ## WeeChat - Wee Enhanced Environment for Chat ## * ## Fast, light, extensible chat client ## * ## ## * ## By Sébastien Helleu ## * ## ## * ## https://weechat.org/ ## * ## ## * ########################################################################## * * weechat.c - WeeChat main functions * * Copyright (C) 2003-2021 Sébastien Helleu * * This file is part of WeeChat, the extensible chat client. * * WeeChat is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * WeeChat is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with WeeChat. If not, see . */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include #include #include #include #include #include #include #include #include #ifdef HAVE_LANGINFO_CODESET #include #endif #include "weechat.h" #include "wee-command.h" #include "wee-completion.h" #include "wee-config.h" #include "wee-debug.h" #include "wee-dir.h" #include "wee-eval.h" #include "wee-hdata.h" #include "wee-hook.h" #include "wee-list.h" #include "wee-log.h" #include "wee-network.h" #include "wee-proxy.h" #include "wee-secure.h" #include "wee-secure-config.h" #include "wee-signal.h" #include "wee-string.h" #include "wee-upgrade.h" #include "wee-utf8.h" #include "wee-util.h" #include "wee-version.h" #include "../gui/gui-chat.h" #include "../gui/gui-color.h" #include "../gui/gui-completion.h" #include "../gui/gui-focus.h" #include "../gui/gui-key.h" #include "../gui/gui-layout.h" #include "../gui/gui-main.h" #include "../plugins/plugin.h" #include "../plugins/plugin-api.h" /* debug command line options */ #define OPTION_NO_DLCLOSE 1000 #define OPTION_NO_GNUTLS 1001 #define OPTION_NO_GCRYPT 1002 int weechat_headless = 0; /* 1 if running headless (no GUI) */ int weechat_daemon = 0; /* 1 if daemonized (no foreground) */ int weechat_log_stdout = 0; /* 1 to log messages on stdout */ int weechat_debug_core = 0; /* debug level for core */ char *weechat_argv0 = NULL; /* WeeChat binary file name (argv[0])*/ int weechat_upgrading = 0; /* =1 if WeeChat is upgrading */ int weechat_first_start = 0; /* first start of WeeChat? */ time_t weechat_first_start_time = 0; /* start time (used by /uptime cmd) */ int weechat_upgrade_count = 0; /* number of /upgrade done */ struct timeval weechat_current_start_timeval; /* start time used to display */ /* duration of /upgrade */ int weechat_quit = 0; /* = 1 if quit request from user */ volatile sig_atomic_t weechat_quit_signal = 0; /* signal received, */ /* WeeChat must quit */ volatile sig_atomic_t weechat_reload_signal = 0; /* signal received, */ /* WeeChat must reload configuration */ char *weechat_home_force = NULL; /* forced home (with -d/--dir) */ int weechat_home_temp = 0; /* 1 if using a temporary home */ int weechat_home_delete_on_exit = 0; /* 1 if home is deleted on exit */ char *weechat_config_dir = NULL; /* config directory */ char *weechat_data_dir = NULL; /* data directory */ char *weechat_cache_dir = NULL; /* cache directory */ char *weechat_runtime_dir = NULL; /* runtime directory */ int weechat_locale_ok = 0; /* is locale OK? */ char *weechat_local_charset = NULL; /* example: ISO-8859-1, UTF-8 */ int weechat_server_cmd_line = 0; /* at least 1 server on cmd line */ char *weechat_force_plugin_autoload = NULL; /* force load of plugins */ int weechat_plugin_no_dlclose = 0; /* remove calls to dlclose for libs */ /* (useful with valgrind) */ int weechat_no_gnutls = 0; /* remove init/deinit of gnutls */ /* (useful with valgrind/electric-f.)*/ int weechat_no_gcrypt = 0; /* remove init/deinit of gcrypt */ /* (useful with valgrind) */ struct t_weelist *weechat_startup_commands = NULL; /* startup commands */ /* (option -r) */ int weechat_auto_connect = 1; /* auto-connect to servers */ /* * Displays WeeChat copyright on standard output. */ void weechat_display_copyright () { string_fprintf (stdout, "\n"); string_fprintf ( stdout, /* TRANSLATORS: "%s %s" after "compiled on" is date and time */ _("WeeChat %s Copyright %s, compiled on %s %s\n" "Developed by Sébastien Helleu " "- %s"), version_get_version_with_git (), WEECHAT_COPYRIGHT_DATE, version_get_compilation_date (), version_get_compilation_time (), WEECHAT_WEBSITE); string_fprintf (stdout, "\n"); } /* * Displays WeeChat usage on standard output. */ void weechat_display_usage () { weechat_display_copyright (); string_fprintf (stdout, "\n"); string_fprintf (stdout, _("Usage: %s [option...] [plugin:option...]\n"), weechat_argv0); string_fprintf (stdout, "\n"); string_fprintf ( stdout, _(" -a, --no-connect disable auto-connect to servers at " "startup\n" " -c, --colors display default colors in terminal\n" " -d, --dir force a single WeeChat home directory\n" " or 4 different directories separated " "by colons (in this order: config, data, cache, runtime)\n" " (environment variable WEECHAT_HOME is " "read if this option is not given)\n" " -t, --temp-dir create a temporary WeeChat home" "directory and delete it on exit\n" " (incompatible with option \"-d\")\n" " -h, --help display this help\n" " -l, --license display WeeChat license\n" " -p, --no-plugin don't load any plugin at startup\n" " -P, --plugins load only these plugins at startup\n" " (see /help weechat.plugin.autoload)\n" " -r, --run-command run command(s) after startup;\n" " many commands can be separated by " "semicolons and are evaluated,\n" " this option can be given multiple " "times\n" " -s, --no-script don't load any script at startup\n" " --upgrade upgrade WeeChat using session files " "(see /help upgrade in WeeChat)\n" " -v, --version display WeeChat version\n" " plugin:option option for plugin (see man weechat)\n")); string_fprintf (stdout, "\n"); /* extra options in headless mode */ if (weechat_headless) { string_fprintf (stdout, _("Extra options in headless mode:\n")); string_fprintf ( stdout, _(" --daemon run WeeChat as a daemon (fork, " "new process group, file descriptors closed);\n")); string_fprintf ( stdout, _(" (by default in headless mode " "WeeChat is blocking and does not run in background)\n")); string_fprintf ( stdout, _(" --stdout display log messages on standard " "output instead of writing them in log file\n")); string_fprintf ( stdout, _(" (option ignored if option " "\"--daemon\" is given)\n")); string_fprintf (stdout, "\n"); } /* debug options */ string_fprintf ( stdout, _("Debug options (for tools like valgrind, DO NOT USE IN PRODUCTION):\n" " --no-dlclose do not call function dlclose after " "plugins are unloaded\n" " --no-gnutls disable init/deinit of gnutls\n" " --no-gcrypt disable init/deinit of gcrypt\n")); string_fprintf (stdout, "\n"); } /* * Parses command line arguments. * * Arguments argc and argv come from main() function. */ void weechat_parse_args (int argc, char *argv[]) { int opt; struct option long_options[] = { /* standard options */ { "no-connect", no_argument, NULL, 'a' }, { "colors", no_argument, NULL, 'c' }, { "dir", required_argument, NULL, 'd' }, { "temp-dir", no_argument, NULL, 't' }, { "help", no_argument, NULL, 'h' }, { "license", no_argument, NULL, 'l' }, { "no-plugin", no_argument, NULL, 'p' }, { "plugins", required_argument, NULL, 'P' }, { "run-command", required_argument, NULL, 'r' }, { "no-script", no_argument, NULL, 's' }, { "upgrade", no_argument, NULL, 'u' }, { "version", no_argument, NULL, 'v' }, /* debug options */ { "no-dlclose", no_argument, NULL, OPTION_NO_DLCLOSE }, { "no-gnutls", no_argument, NULL, OPTION_NO_GNUTLS }, { "no-gcrypt", no_argument, NULL, OPTION_NO_GCRYPT }, { NULL, 0, NULL, 0 }, }; weechat_argv0 = (argv[0]) ? strdup (argv[0]) : NULL; weechat_upgrading = 0; weechat_home_force = NULL; weechat_home_temp = 0; weechat_home_delete_on_exit = 0; weechat_server_cmd_line = 0; weechat_force_plugin_autoload = NULL; weechat_plugin_no_dlclose = 0; optind = 0; opterr = 0; while ((opt = getopt_long (argc, argv, ":acd:thlpP:r:sv", long_options, NULL)) != -1) { switch (opt) { case 'a': /* -a / --no-connect */ /* option ignored, it will be used by plugins/scripts */ break; case 'c': /* -c / --colors */ gui_color_display_terminal_colors (); weechat_shutdown (EXIT_SUCCESS, 0); break; case 'd': /* -d / --dir */ weechat_home_temp = 0; if (weechat_home_force) free (weechat_home_force); weechat_home_force = strdup (optarg); break; case 't': /* -t / --temp-dir */ weechat_home_temp = 1; if (weechat_home_force) { free (weechat_home_force); weechat_home_force = NULL; } break; case 'h': /* -h / --help */ weechat_display_usage (); weechat_shutdown (EXIT_SUCCESS, 0); break; case 'l': /* -l / --license */ weechat_display_copyright (); string_fprintf (stdout, "\n"); string_fprintf (stdout, "%s%s", WEECHAT_LICENSE_TEXT); weechat_shutdown (EXIT_SUCCESS, 0); break; case 'p': /* -p / --no-plugin */ if (weechat_force_plugin_autoload) free (weechat_force_plugin_autoload); weechat_force_plugin_autoload = strdup ("!*"); break; case 'P': /* -P / --plugins */ if (weechat_force_plugin_autoload) free (weechat_force_plugin_autoload); weechat_force_plugin_autoload = strdup (optarg); break; case 'r': /* -r / --run-command */ if (!weechat_startup_commands) weechat_startup_commands = weelist_new (); weelist_add (weechat_startup_commands, optarg, WEECHAT_LIST_POS_END, NULL); break; case 's': /* -s / --no-script */ /* option ignored, it will be used by the scripting plugins */ break; case 'u': /* --upgrade */ weechat_upgrading = 1; break; case 'v': /* -v / --version */ string_fprintf (stdout, version_get_version ()); fprintf (stdout, "\n"); weechat_shutdown (EXIT_SUCCESS, 0); break; case OPTION_NO_DLCLOSE: /* --no-dlclose */ /* * Valgrind works better when dlclose() is not done after * plugins are unloaded, it can display stack for plugins,* * otherwise you'll see "???" in stack for functions of * unloaded plugins. * This option disables the call to dlclose(), * it must NOT be used for other purposes! */ weechat_plugin_no_dlclose = 1; break; case OPTION_NO_GNUTLS: /* --no-gnutls */ /* * Electric-fence is not working fine when gnutls loads * certificates and Valgrind reports many memory errors with * gnutls. * This option disables the init/deinit of gnutls, * it must NOT be used for other purposes! */ weechat_no_gnutls = 1; break; case OPTION_NO_GCRYPT: /* --no-gcrypt */ /* * Valgrind reports many memory errors with gcrypt. * This option disables the init/deinit of gcrypt, * it must NOT be used for other purposes! */ weechat_no_gcrypt = 1; break; case ':': string_fprintf (stderr, _("Error: missing argument for \"%s\" option\n"), argv[optind - 1]); weechat_shutdown (EXIT_FAILURE, 0); break; case '?': /* ignore any unknown option; plugins can use them */ break; default: /* ignore any other error */ break; } } } /* * Displays WeeChat startup message. */ void weechat_startup_message () { if (weechat_headless) { string_fprintf (stdout, _("WeeChat is running in headless mode " "(Ctrl-C to quit).")); string_fprintf (stdout, "\n"); } if (CONFIG_BOOLEAN(config_startup_display_logo)) { gui_chat_printf ( NULL, "%s ___ __ ______________ _____ \n" "%s __ | / /___________ ____/__ /_______ __ /_\n" "%s __ | /| / /_ _ \\ _ \\ / __ __ \\ __ `/ __/\n" "%s __ |/ |/ / / __/ __/ /___ _ / / / /_/ // /_ \n" "%s ____/|__/ \\___/\\___/\\____/ /_/ /_/\\__,_/ \\__/ ", GUI_COLOR(GUI_COLOR_CHAT_NICK), GUI_COLOR(GUI_COLOR_CHAT_NICK), GUI_COLOR(GUI_COLOR_CHAT_NICK), GUI_COLOR(GUI_COLOR_CHAT_NICK), GUI_COLOR(GUI_COLOR_CHAT_NICK)); } if (CONFIG_BOOLEAN(config_startup_display_version)) { command_version_display (NULL, 0, 0, 0); } if (CONFIG_BOOLEAN(config_startup_display_logo) || CONFIG_BOOLEAN(config_startup_display_version)) { gui_chat_printf ( NULL, "- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -"); } if (weechat_first_start) { /* message on first run (when weechat.conf is created) */ gui_chat_printf (NULL, ""); gui_chat_printf ( NULL, _("Welcome to WeeChat!\n" "\n" "If you are discovering WeeChat, it is recommended to read at " "least the quickstart guide, and the user's guide if you have " "some time; they explain main WeeChat concepts.\n" "All WeeChat docs are available at: https://weechat.org/doc\n" "\n" "Moreover, there is inline help with /help on all commands and " "options (use Tab key to complete the name).\n" "The command /fset can help to customize WeeChat.\n" "\n" "You can add and connect to an IRC server with /server and " "/connect commands (see /help server).")); gui_chat_printf (NULL, ""); gui_chat_printf (NULL, "---"); gui_chat_printf (NULL, ""); } } /* * Displays warnings about $TERM if it is detected as wrong. * * If $TERM is different from "screen" or "screen-256color" and that $STY is * set (GNU screen) or $TMUX is set (tmux), then a warning is displayed. */ void weechat_term_check () { char *term, *sty, *tmux; const char *screen_terms = "screen-256color, screen"; const char *tmux_terms = "tmux-256color, tmux, screen-256color, screen"; const char *ptr_terms; int is_term_ok, is_screen, is_tmux; term = getenv ("TERM"); sty = getenv ("STY"); tmux = getenv ("TMUX"); is_screen = (sty && sty[0]); is_tmux = (tmux && tmux[0]); if (is_screen || is_tmux) { /* check if $TERM is OK (according to screen/tmux) */ is_term_ok = 0; ptr_terms = NULL; if (is_screen) { is_term_ok = (term && (strncmp (term, "screen", 6) == 0)); ptr_terms = screen_terms; } else if (is_tmux) { is_term_ok = (term && ((strncmp (term, "screen", 6) == 0) || (strncmp (term, "tmux", 4) == 0))); ptr_terms = tmux_terms; } /* display a warning if $TERM is NOT OK */ if (!is_term_ok) { gui_chat_printf_date_tags ( NULL, 0, "term_warning", /* TRANSLATORS: the "under %s" can be "under screen" or "under tmux" */ _("%sWarning: WeeChat is running under %s and $TERM is \"%s\", " "which can cause display bugs; $TERM should be set to one " "of these values: %s"), gui_chat_prefix[GUI_CHAT_PREFIX_ERROR], (is_screen) ? "screen" : "tmux", (term) ? term : "", ptr_terms); gui_chat_printf_date_tags ( NULL, 0, "term_warning", _("%sYou should add this line in the file %s: %s"), gui_chat_prefix[GUI_CHAT_PREFIX_ERROR], (is_screen) ? "~/.screenrc" : "~/.tmux.conf", (is_screen) ? "term screen-256color" : "set -g default-terminal \"tmux-256color\""); } } } /* * Displays warning about wrong locale ($LANG and $LC_*) if they are detected * as wrong. */ void weechat_locale_check () { if (!weechat_locale_ok) { gui_chat_printf ( NULL, _("%sWarning: cannot set the locale; make sure $LANG and $LC_* " "variables are correct"), gui_chat_prefix[GUI_CHAT_PREFIX_ERROR]); } } /* * Shutdowns WeeChat. */ void weechat_shutdown (int return_code, int crash) { gui_chat_print_lines_waiting_buffer (stderr); log_close (); network_end (); debug_end (); if (!crash && weechat_home_delete_on_exit) { /* remove temporary home (only if not crashing) */ dir_remove_home_dirs (); } if (weechat_argv0) free (weechat_argv0); if (weechat_home_force) free (weechat_home_force); if (weechat_config_dir) free (weechat_config_dir); if (weechat_data_dir) free (weechat_data_dir); if (weechat_cache_dir) free (weechat_cache_dir); if (weechat_runtime_dir) free (weechat_runtime_dir); if (weechat_local_charset) free (weechat_local_charset); if (weechat_force_plugin_autoload) free (weechat_force_plugin_autoload); if (weechat_startup_commands) weelist_free (weechat_startup_commands); if (crash) abort (); else if (return_code >= 0) exit (return_code); } /* * Initializes gettext. */ void weechat_init_gettext () { weechat_locale_ok = (setlocale (LC_ALL, "") != NULL); /* init gettext */ #ifdef ENABLE_NLS bindtextdomain (PACKAGE, LOCALEDIR); bind_textdomain_codeset (PACKAGE, "UTF-8"); textdomain (PACKAGE); #endif /* ENABLE_NLS */ #ifdef HAVE_LANGINFO_CODESET weechat_local_charset = strdup (nl_langinfo (CODESET)); #else weechat_local_charset = strdup (""); #endif /* HAVE_LANGINFO_CODESET */ utf8_init (); } /* * Initializes WeeChat. */ void weechat_init (int argc, char *argv[], void (*gui_init_cb)()) { weechat_first_start_time = time (NULL); /* initialize start time */ gettimeofday (&weechat_current_start_timeval, NULL); /* set the seed for the pseudo-random integer generator */ srand ((weechat_current_start_timeval.tv_sec * weechat_current_start_timeval.tv_usec) ^ getpid ()); signal_init (); /* initialize signals */ hdata_init (); /* initialize hdata */ hook_init (); /* initialize hooks */ debug_init (); /* hook signals for debug */ gui_color_init (); /* initialize colors */ gui_chat_init (); /* initialize chat */ command_init (); /* initialize WeeChat commands */ completion_init (); /* add core completion hooks */ gui_key_init (); /* init keys */ network_init_gcrypt (); /* init gcrypt */ if (!secure_init ()) /* init secured data */ weechat_shutdown (EXIT_FAILURE, 0); if (!secure_config_init ()) /* init secured data options (sec.*)*/ weechat_shutdown (EXIT_FAILURE, 0); if (!config_weechat_init ()) /* init WeeChat options (weechat.*) */ weechat_shutdown (EXIT_FAILURE, 0); weechat_parse_args (argc, argv); /* parse command line args */ dir_create_home_dirs (); /* create WeeChat home directories */ log_init (); /* init log file */ plugin_api_init (); /* create some hooks (info,hdata,..)*/ secure_config_read (); /* read secured data options */ config_weechat_read (); /* read WeeChat options */ network_init_gnutls (); /* init GnuTLS */ if (gui_init_cb) (*gui_init_cb) (); /* init WeeChat interface */ if (weechat_upgrading) { if (upgrade_weechat_load ()) /* upgrade with session file */ weechat_upgrade_count++; /* increase /upgrade count */ else weechat_upgrading = 0; } weechat_startup_message (); /* display WeeChat startup message */ gui_chat_print_lines_waiting_buffer (NULL); /* display lines waiting */ weechat_term_check (); /* warning about wrong $TERM */ weechat_locale_check (); /* warning about wrong locale */ command_startup (0); /* command executed before plugins */ plugin_init (weechat_force_plugin_autoload, /* init plugin interface(s) */ argc, argv); command_startup (1); /* commands executed after plugins */ if (!weechat_upgrading) gui_layout_window_apply (gui_layout_current, -1); if (weechat_upgrading) upgrade_weechat_end (); /* remove .upgrade files + signal */ } /* * Ends WeeChat. */ void weechat_end (void (*gui_end_cb)(int clean_exit)) { gui_layout_store_on_exit (); /* store layout */ plugin_end (); /* end plugin interface(s) */ if (CONFIG_BOOLEAN(config_look_save_config_on_exit)) (void) config_weechat_write (); /* save WeeChat config file */ (void) secure_config_write (); /* save secured data */ if (gui_end_cb) (*gui_end_cb) (1); /* shut down WeeChat GUI */ proxy_free_all (); /* free all proxies */ config_weechat_free (); /* free WeeChat options */ secure_config_free (); /* free secured data options */ config_file_free_all (); /* free all configuration files */ gui_key_end (); /* remove all keys */ unhook_all (); /* remove all hooks */ hdata_end (); /* end hdata */ secure_end (); /* end secured data */ string_end (); /* end string */ weechat_shutdown (-1, 0); /* end other things */ }