/* * plugin.c - WeeChat plugins management (load/unload dynamic C libraries) * * 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 #include "../core/weechat.h" #include "../core/wee-arraylist.h" #include "../core/wee-config.h" #include "../core/wee-dir.h" #include "../core/wee-eval.h" #include "../core/wee-hashtable.h" #include "../core/wee-hdata.h" #include "../core/wee-hook.h" #include "../core/wee-infolist.h" #include "../core/wee-list.h" #include "../core/wee-log.h" #include "../core/wee-network.h" #include "../core/wee-string.h" #include "../core/wee-upgrade-file.h" #include "../core/wee-utf8.h" #include "../core/wee-util.h" #include "../gui/gui-bar.h" #include "../gui/gui-bar-item.h" #include "../gui/gui-buffer.h" #include "../gui/gui-chat.h" #include "../gui/gui-color.h" #include "../gui/gui-completion.h" #include "../gui/gui-key.h" #include "../gui/gui-nicklist.h" #include "../gui/gui-window.h" #include "plugin.h" #include "plugin-api.h" #include "plugin-config.h" int plugin_quiet = 0; struct t_weechat_plugin *weechat_plugins = NULL; struct t_weechat_plugin *last_weechat_plugin = NULL; /* structure used to give arguments to callback of ... */ struct t_plugin_args { int argc; char **argv; }; int plugin_autoload_count = 0; /* number of items in autoload_array */ char **plugin_autoload_array = NULL; /* autoload array, this is split of */ /* option "weechat.plugin.autoload" */ void plugin_remove (struct t_weechat_plugin *plugin); /* * Checks if a plugin pointer is valid. * * Returns: * 1: plugin exists * 0: plugin does not exist */ int plugin_valid (struct t_weechat_plugin *plugin) { struct t_weechat_plugin *ptr_plugin; if (!plugin) return 0; for (ptr_plugin = weechat_plugins; ptr_plugin; ptr_plugin = ptr_plugin->next_plugin) { if (ptr_plugin == plugin) return 1; } /* plugin not found */ return 0; } /* * Searches for a plugin by name. * * Returns pointer to plugin found, NULL if not found. */ struct t_weechat_plugin * plugin_search (const char *name) { struct t_weechat_plugin *ptr_plugin; if (!name) return NULL; for (ptr_plugin = weechat_plugins; ptr_plugin; ptr_plugin = ptr_plugin->next_plugin) { if (string_strcasecmp (ptr_plugin->name, name) == 0) return ptr_plugin; } /* plugin not found */ return NULL; } /* * Gets name of a plugin with a pointer. */ const char * plugin_get_name (struct t_weechat_plugin *plugin) { static char *plugin_core = PLUGIN_CORE; return (plugin) ? plugin->name : plugin_core; } /* * Checks if extension of filename is allowed by option * "weechat.plugin.extension". * * Returns: * 1: extension allowed * 0: extension not allowed */ int plugin_check_extension_allowed (const char *filename) { int i, length, length_ext; /* extension allowed if no extension is defined */ if (!config_plugin_extensions) return 1; length = strlen (filename); for (i = 0; i < config_num_plugin_extensions; i++) { length_ext = strlen (config_plugin_extensions[i]); if (length >= length_ext) { if (string_strcasecmp (filename + length - length_ext, config_plugin_extensions[i]) == 0) { /* extension allowed */ return 1; } } } /* extension not allowed */ return 0; } /* * Checks if a plugin can be autoloaded. * * List of autoloaded plugins is set in option "weechat.plugin.autoload". * * Returns: * 1: plugin can be autoloaded * 0: plugin can not be autoloaded */ int plugin_check_autoload (const char *filename) { int i, length, length_ext, match; char *full_name, *ptr_base_name, *base_name, *plugin_name; /* by default we can auto load all plugins */ if (!plugin_autoload_array) return 1; full_name = strdup (filename); if (!full_name) return 0; /* get short name of plugin (filename without extension) */ plugin_name = NULL; ptr_base_name = basename (full_name); if (!ptr_base_name) { free (full_name); return 1; } base_name = strdup (ptr_base_name); if (!base_name) { free (full_name); return 1; } free (full_name); if (config_plugin_extensions) { length = strlen (base_name); for (i = 0; i < config_num_plugin_extensions; i++) { length_ext = strlen (config_plugin_extensions[i]); if (length >= length_ext) { if (string_strcasecmp (base_name + length - length_ext, config_plugin_extensions[i]) == 0) { plugin_name = string_strndup (base_name, length - length_ext); break; } } } } else { plugin_name = strdup (base_name); } free (base_name); if (!plugin_name) return 1; match = string_match_list (plugin_name, (const char **)plugin_autoload_array, 0); free (plugin_name); return match; } /* * Returns arguments for plugins (only the relevant arguments for plugins, * arguments for WeeChat core not returned). * * Note: plugin_argv must be freed after use. */ void plugin_get_args (struct t_weechat_plugin *plugin, int argc, char **argv, int *plugin_argc, char ***plugin_argv, int *no_connect) { int i, temp_argc, length_plugin_name; char **temp_argv; temp_argc = 0; temp_argv = NULL; *no_connect = 0; length_plugin_name = strlen (plugin->name); if (argc > 0) { temp_argv = malloc ((argc + 1) * sizeof (*temp_argv)); if (temp_argv) { for (i = 0; i < argc; i++) { if ((strcmp (argv[i], "-a") == 0) || (strcmp (argv[i], "--no-connect") == 0)) { *no_connect = 1; } else if ((strcmp (argv[i], "-s") == 0) || (strcmp (argv[i], "--no-script") == 0) || ((strncmp (argv[i], plugin->name, length_plugin_name) == 0) && (argv[i][length_plugin_name] == ':'))) { temp_argv[temp_argc++] = argv[i]; } } if (temp_argc == 0) { free (temp_argv); temp_argv = NULL; } else temp_argv[temp_argc] = NULL; } } *plugin_argc = temp_argc; *plugin_argv = temp_argv; } /* * Initializes a plugin by calling its init() function. * * Returns: * 1: OK * 0: error */ int plugin_call_init (struct t_weechat_plugin *plugin, int argc, char **argv) { t_weechat_init_func *init_func; int plugin_argc, no_connect, rc, old_auto_connect; char **plugin_argv; if (plugin->initialized) return 1; /* look for plugin init function */ init_func = dlsym (plugin->handle, "weechat_plugin_init"); if (!init_func) return 0; /* get arguments for the plugin */ plugin_get_args (plugin, argc, argv, &plugin_argc, &plugin_argv, &no_connect); old_auto_connect = weechat_auto_connect; weechat_auto_connect = (no_connect) ? 0 : 1; /* init plugin */ if (weechat_debug_core >= 1) { gui_chat_printf (NULL, _("Initializing plugin \"%s\" (priority: %d)"), plugin->name, plugin->priority); } rc = ((t_weechat_init_func *)init_func) (plugin, plugin_argc, plugin_argv); if (rc == WEECHAT_RC_OK) { plugin->initialized = 1; } else { gui_chat_printf (NULL, _("%sUnable to initialize plugin \"%s\""), gui_chat_prefix[GUI_CHAT_PREFIX_ERROR], plugin->filename); } weechat_auto_connect = old_auto_connect; if (plugin_argv) free (plugin_argv); return (rc == WEECHAT_RC_OK) ? 1 : 0; } /* * Loads a WeeChat plugin (a dynamic library). * * If init_plugin == 1, then the init() function in plugin is called * (with argc/argv), otherwise the plugin is just loaded but not initialized. * * Returns a pointer to new WeeChat plugin, NULL if error. */ struct t_weechat_plugin * plugin_load (const char *filename, int init_plugin, int argc, char **argv) { void *handle; char *name, *api_version, *author, *description, *version; char *license, *charset; t_weechat_init_func *init_func; int *priority; struct t_weechat_plugin *new_plugin; struct t_config_option *ptr_option; if (!filename) return NULL; /* * if plugin must not be autoloaded, then return immediately * Note: the "plugin_autoload_array" variable is set only during auto-load, * ie when WeeChat is starting or when doing /plugin autoload */ if (plugin_autoload_array && !plugin_check_autoload (filename)) return NULL; handle = dlopen (filename, RTLD_GLOBAL | RTLD_NOW); if (!handle) { gui_chat_printf (NULL, _("%sUnable to load plugin \"%s\": %s"), gui_chat_prefix[GUI_CHAT_PREFIX_ERROR], filename, dlerror ()); gui_chat_printf (NULL, _("%sIf you're trying to load a script and not a C " "plugin, try command to load scripts (/perl, " "/python, ...)"), gui_chat_prefix[GUI_CHAT_PREFIX_ERROR]); return NULL; } /* look for plugin name */ name = dlsym (handle, "weechat_plugin_name"); if (!name) { gui_chat_printf (NULL, _("%sSymbol \"%s\" not found in plugin \"%s\", " "failed to load"), gui_chat_prefix[GUI_CHAT_PREFIX_ERROR], "weechat_plugin_name", filename); dlclose (handle); return NULL; } /* look for API version */ api_version = dlsym (handle, "weechat_plugin_api_version"); if (!api_version) { gui_chat_printf (NULL, _("%sSymbol \"%s\" not found in plugin \"%s\", " "failed to load"), gui_chat_prefix[GUI_CHAT_PREFIX_ERROR], "weechat_plugin_api_version", filename); gui_chat_printf (NULL, _("%sIf plugin \"%s\" is old/obsolete, you can " "delete this file."), gui_chat_prefix[GUI_CHAT_PREFIX_ERROR], name); dlclose (handle); return NULL; } if (strcmp (api_version, WEECHAT_PLUGIN_API_VERSION) != 0) { gui_chat_printf (NULL, _("%sAPI mismatch for plugin \"%s\" (current API: " "\"%s\", plugin API: \"%s\"), failed to load"), gui_chat_prefix[GUI_CHAT_PREFIX_ERROR], filename, WEECHAT_PLUGIN_API_VERSION, api_version); gui_chat_printf (NULL, _("%sIf plugin \"%s\" is old/obsolete, you can " "delete this file."), gui_chat_prefix[GUI_CHAT_PREFIX_ERROR], name); dlclose (handle); return NULL; } /* check for plugin with same name */ if (plugin_search (name)) { gui_chat_printf (NULL, _("%sUnable to load plugin \"%s\": a plugin with " "same name already exists"), gui_chat_prefix[GUI_CHAT_PREFIX_ERROR], filename); dlclose (handle); return NULL; } /* look for plugin description */ description = dlsym (handle, "weechat_plugin_description"); if (!description) { gui_chat_printf (NULL, _("%sSymbol \"%s\" not found in plugin \"%s\", " "failed to load"), gui_chat_prefix[GUI_CHAT_PREFIX_ERROR], "weechat_plugin_description", filename); dlclose (handle); return NULL; } /* look for plugin author */ author = dlsym (handle, "weechat_plugin_author"); if (!author) { gui_chat_printf (NULL, _("%sSymbol \"%s\" not found in plugin \"%s\", " "failed to load"), gui_chat_prefix[GUI_CHAT_PREFIX_ERROR], "weechat_plugin_author", filename); dlclose (handle); return NULL; } /* look for plugin version */ version = dlsym (handle, "weechat_plugin_version"); if (!version) { gui_chat_printf (NULL, _("%sSymbol \"%s\" not found in plugin \"%s\", " "failed to load"), gui_chat_prefix[GUI_CHAT_PREFIX_ERROR], "weechat_plugin_version", filename); dlclose (handle); return NULL; } /* look for plugin license */ license = dlsym (handle, "weechat_plugin_license"); if (!license) { gui_chat_printf (NULL, _("%sSymbol \"%s\" not found in plugin \"%s\", " "failed to load"), gui_chat_prefix[GUI_CHAT_PREFIX_ERROR], "weechat_plugin_license", filename); dlclose (handle); return NULL; } /* look for plugin charset (optional, default is UTF-8) */ charset = dlsym (handle, "weechat_plugin_charset"); /* look for plugin init function */ init_func = dlsym (handle, "weechat_plugin_init"); if (!init_func) { gui_chat_printf (NULL, _("%sFunction \"%s\" not found in plugin \"%s\", " "failed to load"), gui_chat_prefix[GUI_CHAT_PREFIX_ERROR], "weechat_plugin_init", filename); dlclose (handle); return NULL; } /* * look for plugin priority: it is used to initialize plugins in * appropriate order: the important plugins that don't depend on other * plugins are initialized first */ priority = dlsym (handle, "weechat_plugin_priority"); /* create new plugin */ new_plugin = malloc (sizeof (*new_plugin)); if (new_plugin) { /* variables */ new_plugin->filename = strdup (filename); new_plugin->handle = handle; new_plugin->name = strdup (name); new_plugin->description = strdup (description); new_plugin->author = strdup (author); new_plugin->version = strdup (version); new_plugin->license = strdup (license); new_plugin->charset = (charset) ? strdup (charset) : NULL; new_plugin->priority = (priority) ? *priority : PLUGIN_PRIORITY_DEFAULT; new_plugin->initialized = 0; ptr_option = config_weechat_debug_get (name); new_plugin->debug = (ptr_option) ? CONFIG_INTEGER(ptr_option) : 0; new_plugin->upgrading = weechat_upgrading; new_plugin->variables = hashtable_new ( 32, WEECHAT_HASHTABLE_STRING, WEECHAT_HASHTABLE_STRING, NULL, NULL); /* functions */ new_plugin->plugin_get_name = &plugin_get_name; new_plugin->charset_set = &plugin_api_charset_set; new_plugin->iconv_to_internal = &string_iconv_to_internal; new_plugin->iconv_from_internal = &string_iconv_from_internal; new_plugin->gettext = &plugin_api_gettext; new_plugin->ngettext = &plugin_api_ngettext; new_plugin->strndup = &string_strndup; new_plugin->string_cut = &string_cut; new_plugin->string_tolower = &string_tolower; new_plugin->string_toupper = &string_toupper; new_plugin->strcasecmp = &string_strcasecmp; new_plugin->strcasecmp_range = &string_strcasecmp_range; new_plugin->strncasecmp = &string_strncasecmp; new_plugin->strncasecmp_range = &string_strncasecmp_range; new_plugin->strcmp_ignore_chars = &string_strcmp_ignore_chars; new_plugin->strcasestr = &string_strcasestr; new_plugin->strlen_screen = &gui_chat_strlen_screen; new_plugin->string_match = &string_match; new_plugin->string_match_list = &string_match_list; new_plugin->string_replace = &string_replace; new_plugin->string_expand_home = &string_expand_home; new_plugin->string_eval_path_home = &string_eval_path_home; new_plugin->string_remove_quotes = &string_remove_quotes; new_plugin->string_strip = &string_strip; new_plugin->string_convert_escaped_chars = &string_convert_escaped_chars; new_plugin->string_mask_to_regex = &string_mask_to_regex; new_plugin->string_regex_flags = &string_regex_flags; new_plugin->string_regcomp = &string_regcomp; new_plugin->string_has_highlight = &string_has_highlight; new_plugin->string_has_highlight_regex = &string_has_highlight_regex; new_plugin->string_replace_regex = &string_replace_regex; new_plugin->string_split = &string_split; new_plugin->string_split_shell = &string_split_shell; new_plugin->string_free_split = &string_free_split; new_plugin->string_build_with_split_string = &string_build_with_split_string; new_plugin->string_split_command = &string_split_command; new_plugin->string_free_split_command = &string_free_split_command; new_plugin->string_format_size = &string_format_size; new_plugin->string_color_code_size = &gui_color_code_size; new_plugin->string_remove_color = &gui_color_decode; new_plugin->string_base_encode = &string_base_encode; new_plugin->string_base_decode = &string_base_decode; new_plugin->string_hex_dump = &string_hex_dump; new_plugin->string_is_command_char = &string_is_command_char; new_plugin->string_input_for_buffer = &string_input_for_buffer; new_plugin->string_eval_expression = &eval_expression; new_plugin->string_dyn_alloc = &string_dyn_alloc; new_plugin->string_dyn_copy = &string_dyn_copy; new_plugin->string_dyn_concat = &string_dyn_concat; new_plugin->string_dyn_free = &string_dyn_free; new_plugin->utf8_has_8bits = &utf8_has_8bits; new_plugin->utf8_is_valid = &utf8_is_valid; new_plugin->utf8_normalize = &utf8_normalize; new_plugin->utf8_prev_char = &utf8_prev_char; new_plugin->utf8_next_char = &utf8_next_char; new_plugin->utf8_char_int = &utf8_char_int; new_plugin->utf8_char_size = &utf8_char_size; new_plugin->utf8_strlen = &utf8_strlen; new_plugin->utf8_strnlen = &utf8_strnlen; new_plugin->utf8_strlen_screen = &utf8_strlen_screen; new_plugin->utf8_charcmp = &utf8_charcmp; new_plugin->utf8_charcasecmp = &utf8_charcasecmp; new_plugin->utf8_char_size_screen = &utf8_char_size_screen; new_plugin->utf8_add_offset = &utf8_add_offset; new_plugin->utf8_real_pos = &utf8_real_pos; new_plugin->utf8_pos = &utf8_pos; new_plugin->utf8_strndup = &utf8_strndup; new_plugin->crypto_hash = &plugin_api_crypto_hash; new_plugin->crypto_hash_pbkdf2 = &plugin_api_crypto_hash_pbkdf2; new_plugin->crypto_hmac = &plugin_api_crypto_hmac; new_plugin->mkdir_home = &dir_mkdir_home; new_plugin->mkdir = &dir_mkdir; new_plugin->mkdir_parents = &dir_mkdir_parents; new_plugin->exec_on_files = &dir_exec_on_files; new_plugin->file_get_content = &dir_file_get_content; new_plugin->file_copy = &dir_file_copy; new_plugin->util_timeval_cmp = &util_timeval_cmp; new_plugin->util_timeval_diff = &util_timeval_diff; new_plugin->util_timeval_add = &util_timeval_add; new_plugin->util_get_time_string = &util_get_time_string; new_plugin->util_version_number = &util_version_number; new_plugin->list_new = &weelist_new; new_plugin->list_add = &weelist_add; new_plugin->list_search = &weelist_search; new_plugin->list_search_pos = &weelist_search_pos; new_plugin->list_casesearch = &weelist_casesearch; new_plugin->list_casesearch_pos = &weelist_casesearch_pos; new_plugin->list_get = &weelist_get; new_plugin->list_set = &weelist_set; new_plugin->list_next = &weelist_next; new_plugin->list_prev = &weelist_prev; new_plugin->list_string = &weelist_string; new_plugin->list_user_data = &weelist_user_data; new_plugin->list_size = &weelist_size; new_plugin->list_remove = &weelist_remove; new_plugin->list_remove_all = &weelist_remove_all; new_plugin->list_free = &weelist_free; new_plugin->arraylist_new = arraylist_new; new_plugin->arraylist_size = arraylist_size; new_plugin->arraylist_get = arraylist_get; new_plugin->arraylist_search = arraylist_search; new_plugin->arraylist_insert = arraylist_insert; new_plugin->arraylist_add = arraylist_add; new_plugin->arraylist_remove = arraylist_remove; new_plugin->arraylist_clear = arraylist_clear; new_plugin->arraylist_free = arraylist_free; new_plugin->hashtable_new = &hashtable_new; new_plugin->hashtable_set_with_size = &hashtable_set_with_size; new_plugin->hashtable_set = &hashtable_set; new_plugin->hashtable_get = &hashtable_get; new_plugin->hashtable_has_key = &hashtable_has_key; new_plugin->hashtable_map = &hashtable_map; new_plugin->hashtable_map_string = &hashtable_map_string; new_plugin->hashtable_dup = &hashtable_dup; new_plugin->hashtable_get_integer = &hashtable_get_integer; new_plugin->hashtable_get_string = &hashtable_get_string; new_plugin->hashtable_set_pointer = &hashtable_set_pointer; new_plugin->hashtable_add_to_infolist = &hashtable_add_to_infolist; new_plugin->hashtable_add_from_infolist = &hashtable_add_from_infolist; new_plugin->hashtable_remove = &hashtable_remove; new_plugin->hashtable_remove_all = &hashtable_remove_all; new_plugin->hashtable_free = &hashtable_free; new_plugin->config_new = &config_file_new; new_plugin->config_new_section = &config_file_new_section; new_plugin->config_search_section = &config_file_search_section; new_plugin->config_new_option = &config_file_new_option; new_plugin->config_search_option = &config_file_search_option; new_plugin->config_search_section_option = &config_file_search_section_option; new_plugin->config_search_with_string = &config_file_search_with_string; new_plugin->config_string_to_boolean = &config_file_string_to_boolean; new_plugin->config_option_reset = &config_file_option_reset; new_plugin->config_option_set = &config_file_option_set; new_plugin->config_option_set_null = &config_file_option_set_null; new_plugin->config_option_unset = &config_file_option_unset; new_plugin->config_option_rename = &config_file_option_rename; new_plugin->config_option_get_string = &config_file_option_get_string; new_plugin->config_option_get_pointer = &config_file_option_get_pointer; new_plugin->config_option_is_null = &config_file_option_is_null; new_plugin->config_option_default_is_null = &config_file_option_default_is_null; new_plugin->config_boolean = &config_file_option_boolean; new_plugin->config_boolean_default = &config_file_option_boolean_default; new_plugin->config_integer = &config_file_option_integer; new_plugin->config_integer_default = &config_file_option_integer_default; new_plugin->config_string = &config_file_option_string; new_plugin->config_string_default = &config_file_option_string_default; new_plugin->config_color = &config_file_option_color; new_plugin->config_color_default = &config_file_option_color_default; new_plugin->config_write_option = &config_file_write_option; new_plugin->config_write_line = &config_file_write_line; new_plugin->config_write = &config_file_write; new_plugin->config_read = &config_file_read; new_plugin->config_reload = &config_file_reload; new_plugin->config_option_free = &plugin_api_config_file_option_free; new_plugin->config_section_free_options = &config_file_section_free_options; new_plugin->config_section_free = &config_file_section_free; new_plugin->config_free = &config_file_free; new_plugin->config_get = &plugin_api_config_get; new_plugin->config_get_plugin = &plugin_api_config_get_plugin; new_plugin->config_is_set_plugin = &plugin_api_config_is_set_plugin; new_plugin->config_set_plugin = &plugin_api_config_set_plugin; new_plugin->config_set_desc_plugin = &plugin_api_config_set_desc_plugin; new_plugin->config_unset_plugin = &plugin_api_config_unset_plugin; new_plugin->key_bind = &gui_key_bind_plugin; new_plugin->key_unbind = &gui_key_unbind_plugin; new_plugin->prefix = &plugin_api_prefix; new_plugin->color = &plugin_api_color; new_plugin->printf_date_tags = &gui_chat_printf_date_tags; new_plugin->printf_y = &gui_chat_printf_y; new_plugin->log_printf = &log_printf; new_plugin->hook_command = &hook_command; new_plugin->hook_command_run = &hook_command_run; new_plugin->hook_timer = &hook_timer; new_plugin->hook_fd = &hook_fd; new_plugin->hook_process = &hook_process; new_plugin->hook_process_hashtable = &hook_process_hashtable; new_plugin->hook_connect = &hook_connect; new_plugin->hook_line = &hook_line; new_plugin->hook_print = &hook_print; new_plugin->hook_signal = &hook_signal; new_plugin->hook_signal_send = &hook_signal_send; new_plugin->hook_hsignal = &hook_hsignal; new_plugin->hook_hsignal_send = &hook_hsignal_send; new_plugin->hook_config = &hook_config; new_plugin->hook_completion = &hook_completion; new_plugin->hook_completion_get_string = &gui_completion_get_string; new_plugin->hook_completion_list_add = &gui_completion_list_add; new_plugin->hook_modifier = &hook_modifier; new_plugin->hook_modifier_exec = &hook_modifier_exec; new_plugin->hook_info = &hook_info; new_plugin->hook_info_hashtable = &hook_info_hashtable; new_plugin->hook_infolist = &hook_infolist; new_plugin->hook_hdata = &hook_hdata; new_plugin->hook_focus = &hook_focus; new_plugin->hook_set = &hook_set; new_plugin->unhook = &unhook; new_plugin->unhook_all = &unhook_all_plugin; new_plugin->buffer_new = &gui_buffer_new; new_plugin->buffer_search = &gui_buffer_search_by_name; new_plugin->buffer_search_main = &gui_buffer_search_main; new_plugin->buffer_clear = &gui_buffer_clear; new_plugin->buffer_close = &gui_buffer_close; new_plugin->buffer_merge = &gui_buffer_merge; new_plugin->buffer_unmerge = &gui_buffer_unmerge; new_plugin->buffer_get_integer = &gui_buffer_get_integer; new_plugin->buffer_get_string = &gui_buffer_get_string; new_plugin->buffer_get_pointer = &gui_buffer_get_pointer; new_plugin->buffer_set = &gui_buffer_set; new_plugin->buffer_set_pointer = &gui_buffer_set_pointer; new_plugin->buffer_string_replace_local_var = &gui_buffer_string_replace_local_var; new_plugin->buffer_match_list = &gui_buffer_match_list; new_plugin->window_search_with_buffer = &gui_window_search_with_buffer; new_plugin->window_get_integer = &gui_window_get_integer; new_plugin->window_get_string = &gui_window_get_string; new_plugin->window_get_pointer = &gui_window_get_pointer; new_plugin->window_set_title = &gui_window_set_title; new_plugin->nicklist_add_group = &gui_nicklist_add_group; new_plugin->nicklist_search_group = &gui_nicklist_search_group; new_plugin->nicklist_add_nick = &gui_nicklist_add_nick; new_plugin->nicklist_search_nick = &gui_nicklist_search_nick; new_plugin->nicklist_remove_group = &gui_nicklist_remove_group; new_plugin->nicklist_remove_nick = &gui_nicklist_remove_nick; new_plugin->nicklist_remove_all = &gui_nicklist_remove_all; new_plugin->nicklist_get_next_item = &gui_nicklist_get_next_item; new_plugin->nicklist_group_get_integer = &gui_nicklist_group_get_integer; new_plugin->nicklist_group_get_string = &gui_nicklist_group_get_string; new_plugin->nicklist_group_get_pointer = &gui_nicklist_group_get_pointer; new_plugin->nicklist_group_set = &gui_nicklist_group_set; new_plugin->nicklist_nick_get_integer = &gui_nicklist_nick_get_integer; new_plugin->nicklist_nick_get_string = &gui_nicklist_nick_get_string; new_plugin->nicklist_nick_get_pointer = &gui_nicklist_nick_get_pointer; new_plugin->nicklist_nick_set = &gui_nicklist_nick_set; new_plugin->bar_item_search = &gui_bar_item_search; new_plugin->bar_item_new = &gui_bar_item_new; new_plugin->bar_item_update = &gui_bar_item_update; new_plugin->bar_item_remove = &gui_bar_item_free; new_plugin->bar_search = &gui_bar_search; new_plugin->bar_new = &gui_bar_new; new_plugin->bar_set = &gui_bar_set; new_plugin->bar_update = &gui_bar_update; new_plugin->bar_remove = &gui_bar_free; new_plugin->command = &plugin_api_command; new_plugin->command_options = &plugin_api_command_options; new_plugin->completion_new = &gui_completion_new; new_plugin->completion_search = &gui_completion_search; new_plugin->completion_get_string = &gui_completion_get_string; new_plugin->completion_list_add = &gui_completion_list_add; new_plugin->completion_free = &gui_completion_free; new_plugin->network_pass_proxy = &network_pass_proxy; new_plugin->network_connect_to = &network_connect_to; new_plugin->info_get = &hook_info_get; new_plugin->info_get_hashtable = &hook_info_get_hashtable; new_plugin->infolist_new = &infolist_new; new_plugin->infolist_new_item = &infolist_new_item; new_plugin->infolist_new_var_integer = &infolist_new_var_integer; new_plugin->infolist_new_var_string = &infolist_new_var_string; new_plugin->infolist_new_var_pointer = &infolist_new_var_pointer; new_plugin->infolist_new_var_buffer = &infolist_new_var_buffer; new_plugin->infolist_new_var_time = &infolist_new_var_time; new_plugin->infolist_search_var = &infolist_search_var; new_plugin->infolist_get = &hook_infolist_get; new_plugin->infolist_next = &plugin_api_infolist_next; new_plugin->infolist_prev = &plugin_api_infolist_prev; new_plugin->infolist_reset_item_cursor = &plugin_api_infolist_reset_item_cursor; new_plugin->infolist_fields = &plugin_api_infolist_fields; new_plugin->infolist_integer = &plugin_api_infolist_integer; new_plugin->infolist_string = &plugin_api_infolist_string; new_plugin->infolist_pointer = &plugin_api_infolist_pointer; new_plugin->infolist_buffer = &plugin_api_infolist_buffer; new_plugin->infolist_time = &plugin_api_infolist_time; new_plugin->infolist_free = &plugin_api_infolist_free; new_plugin->hdata_new = &hdata_new; new_plugin->hdata_new_var = &hdata_new_var; new_plugin->hdata_new_list = &hdata_new_list; new_plugin->hdata_get = &hook_hdata_get; new_plugin->hdata_get_var_offset = &hdata_get_var_offset; new_plugin->hdata_get_var_type = &hdata_get_var_type; new_plugin->hdata_get_var_type_string = &hdata_get_var_type_string; new_plugin->hdata_get_var_array_size = &hdata_get_var_array_size; new_plugin->hdata_get_var_array_size_string = &hdata_get_var_array_size_string; new_plugin->hdata_get_var_hdata = &hdata_get_var_hdata; new_plugin->hdata_get_var = &hdata_get_var; new_plugin->hdata_get_var_at_offset = &hdata_get_var_at_offset; new_plugin->hdata_get_list = &hdata_get_list; new_plugin->hdata_check_pointer = &hdata_check_pointer; new_plugin->hdata_move = &hdata_move; new_plugin->hdata_search = &hdata_search; new_plugin->hdata_char = &hdata_char; new_plugin->hdata_integer = &hdata_integer; new_plugin->hdata_long = &hdata_long; new_plugin->hdata_string = &hdata_string; new_plugin->hdata_pointer = &hdata_pointer; new_plugin->hdata_time = &hdata_time; new_plugin->hdata_hashtable = &hdata_hashtable; new_plugin->hdata_compare = &hdata_compare; new_plugin->hdata_set = &hdata_set; new_plugin->hdata_update = &hdata_update; new_plugin->hdata_get_string = &hdata_get_string; new_plugin->upgrade_new = &upgrade_file_new; new_plugin->upgrade_write_object = &upgrade_file_write_object; new_plugin->upgrade_read = &upgrade_file_read; new_plugin->upgrade_close = &upgrade_file_close; /* add new plugin to list */ new_plugin->prev_plugin = last_weechat_plugin; new_plugin->next_plugin = NULL; if (last_weechat_plugin) last_weechat_plugin->next_plugin = new_plugin; else weechat_plugins = new_plugin; last_weechat_plugin = new_plugin; /* * associate orphan buffers with this plugin (if asked during upgrade * process) */ gui_buffer_set_plugin_for_upgrade (name, new_plugin); if (init_plugin) { if (!plugin_call_init (new_plugin, argc, argv)) { plugin_remove (new_plugin); return NULL; } } } else { gui_chat_printf (NULL, _("%sUnable to load plugin \"%s\" (not enough memory)"), gui_chat_prefix[GUI_CHAT_PREFIX_ERROR], filename); dlclose (handle); return NULL; } if ((weechat_debug_core >= 1) || !plugin_quiet) { gui_chat_printf (NULL, _("Plugin \"%s\" loaded"), name); } (void) hook_signal_send ("plugin_loaded", WEECHAT_HOOK_SIGNAL_STRING, (char *)filename); return new_plugin; } /* * Loads a file found by function plugin_auto_load, but only if this is really a * dynamic library. */ void plugin_auto_load_file (void *data, const char *filename) { struct t_plugin_args *plugin_args; plugin_args = (struct t_plugin_args *)data; if (plugin_check_extension_allowed (filename)) plugin_load (filename, 0, plugin_args->argc, plugin_args->argv); } /* * Callback used to sort plugins arraylist by priority (high priority first). */ int plugin_arraylist_cmp_cb (void *data, struct t_arraylist *arraylist, void *pointer1, void *pointer2) { struct t_weechat_plugin *plugin1, *plugin2; /* make C compiler happy */ (void) data; (void) arraylist; plugin1 = (struct t_weechat_plugin *)pointer1; plugin2 = (struct t_weechat_plugin *)pointer2; return (plugin1->priority > plugin2->priority) ? -1 : ((plugin1->priority < plugin2->priority) ? 1 : 0); } /* * Auto-loads WeeChat plugins, from user and system directories. */ void plugin_auto_load (char *force_plugin_autoload, int load_from_plugin_path, int load_from_extra_lib_dir, int load_from_lib_dir, int argc, char **argv) { char *dir_name, *plugin_path, *extra_libdir; const char *ptr_plugin_autoload; struct t_weechat_plugin *ptr_plugin; struct t_plugin_args plugin_args; struct t_arraylist *arraylist; struct t_hashtable *options; int length, i; plugin_args.argc = argc; plugin_args.argv = argv; plugin_autoload_array = NULL; plugin_autoload_count = 0; ptr_plugin_autoload = (force_plugin_autoload) ? force_plugin_autoload : CONFIG_STRING(config_plugin_autoload); if (ptr_plugin_autoload && ptr_plugin_autoload[0]) { plugin_autoload_array = string_split ( ptr_plugin_autoload, ",", NULL, WEECHAT_STRING_SPLIT_STRIP_LEFT | WEECHAT_STRING_SPLIT_STRIP_RIGHT | WEECHAT_STRING_SPLIT_COLLAPSE_SEPS, 0, &plugin_autoload_count); } /* auto-load plugins in custom path */ if (load_from_plugin_path && CONFIG_STRING(config_plugin_path) && CONFIG_STRING(config_plugin_path)[0]) { options = hashtable_new ( 32, WEECHAT_HASHTABLE_STRING, WEECHAT_HASHTABLE_STRING, NULL, NULL); if (options) hashtable_set (options, "directory", "data"); plugin_path = string_eval_path_home (CONFIG_STRING(config_plugin_path), NULL, NULL, options); if (options) hashtable_free (options); if (plugin_path) { dir_exec_on_files (plugin_path, 1, 0, &plugin_auto_load_file, &plugin_args); free (plugin_path); } } /* auto-load plugins in WEECHAT_EXTRA_LIBDIR environment variable */ if (load_from_extra_lib_dir) { extra_libdir = getenv (WEECHAT_EXTRA_LIBDIR); if (extra_libdir && extra_libdir[0]) { length = strlen (extra_libdir) + 16 + 1; dir_name = malloc (length); snprintf (dir_name, length, "%s/plugins", extra_libdir); dir_exec_on_files (dir_name, 1, 0, &plugin_auto_load_file, &plugin_args); free (dir_name); } } /* auto-load plugins in WeeChat global lib dir */ if (load_from_lib_dir) { length = strlen (WEECHAT_LIBDIR) + 16 + 1; dir_name = malloc (length); if (dir_name) { snprintf (dir_name, length, "%s/plugins", WEECHAT_LIBDIR); dir_exec_on_files (dir_name, 1, 0, &plugin_auto_load_file, &plugin_args); free (dir_name); } } /* free autoload array */ if (plugin_autoload_array) { string_free_split (plugin_autoload_array); plugin_autoload_array = NULL; } plugin_autoload_count = 0; /* initialize all uninitialized plugins */ arraylist = arraylist_new (10, 1, 1, &plugin_arraylist_cmp_cb, NULL, NULL, NULL); if (arraylist) { for (ptr_plugin = weechat_plugins; ptr_plugin; ptr_plugin = ptr_plugin->next_plugin) { arraylist_add (arraylist, ptr_plugin); } i = 0; while (i < arraylist_size (arraylist)) { ptr_plugin = arraylist_get (arraylist, i); if (!ptr_plugin->initialized) { if (!plugin_call_init (ptr_plugin, argc, argv)) { plugin_remove (ptr_plugin); arraylist_remove (arraylist, i); } else i++; } else i++; } arraylist_free (arraylist); } } /* * Removes a WeeChat plugin. */ void plugin_remove (struct t_weechat_plugin *plugin) { struct t_weechat_plugin *new_weechat_plugins; struct t_gui_buffer *ptr_buffer, *next_buffer; /* remove all completions (only those created by API) */ gui_completion_free_all_plugin (plugin); /* close buffers created by this plugin */ ptr_buffer = gui_buffers; while (ptr_buffer) { next_buffer = ptr_buffer->next_buffer; if (ptr_buffer->plugin == plugin) gui_buffer_close (ptr_buffer); ptr_buffer = next_buffer; } /* remove plugin from list */ if (last_weechat_plugin == plugin) last_weechat_plugin = plugin->prev_plugin; if (plugin->prev_plugin) { (plugin->prev_plugin)->next_plugin = plugin->next_plugin; new_weechat_plugins = weechat_plugins; } else new_weechat_plugins = plugin->next_plugin; if (plugin->next_plugin) (plugin->next_plugin)->prev_plugin = plugin->prev_plugin; /* remove all configuration files */ config_file_free_all_plugin (plugin); /* remove all hooks */ unhook_all_plugin (plugin, NULL); /* remove all infolists */ infolist_free_all_plugin (plugin); /* remove all hdata */ hdata_free_all_plugin (plugin); /* remove all bar items */ gui_bar_item_free_all_plugin (plugin); /* free data */ if (plugin->filename) free (plugin->filename); if (!weechat_plugin_no_dlclose) dlclose (plugin->handle); if (plugin->name) free (plugin->name); if (plugin->description) free (plugin->description); if (plugin->author) free (plugin->author); if (plugin->version) free (plugin->version); if (plugin->license) free (plugin->license); if (plugin->charset) free (plugin->charset); hashtable_free (plugin->variables); free (plugin); weechat_plugins = new_weechat_plugins; } /* * Unloads a WeeChat plugin. */ void plugin_unload (struct t_weechat_plugin *plugin) { t_weechat_end_func *end_func; char *name; name = (plugin->name) ? strdup (plugin->name) : NULL; if (plugin->initialized) { end_func = dlsym (plugin->handle, "weechat_plugin_end"); if (end_func) (void) (end_func) (plugin); } plugin_remove (plugin); if ((weechat_debug_core >= 1) || !plugin_quiet) { gui_chat_printf (NULL, _("Plugin \"%s\" unloaded"), (name) ? name : "???"); } (void) hook_signal_send ("plugin_unloaded", WEECHAT_HOOK_SIGNAL_STRING, name); if (name) free (name); } /* * Unloads a WeeChat plugin by name. */ void plugin_unload_name (const char *name) { struct t_weechat_plugin *ptr_plugin; ptr_plugin = plugin_search (name); if (ptr_plugin) plugin_unload (ptr_plugin); else { gui_chat_printf (NULL, _("%sPlugin \"%s\" not found"), gui_chat_prefix[GUI_CHAT_PREFIX_ERROR], name); } } /* * Unloads all WeeChat plugins. */ void plugin_unload_all () { int plugins_loaded; plugins_loaded = (weechat_plugins) ? 1 : 0; plugin_quiet = 1; while (weechat_plugins) { plugin_unload (last_weechat_plugin); } plugin_quiet = 0; if (plugins_loaded) { gui_chat_printf (NULL, _("Plugins unloaded")); } } /* * Reloads a WeeChat plugin by name. */ void plugin_reload_name (const char *name, int argc, char **argv) { struct t_weechat_plugin *ptr_plugin; char *filename; ptr_plugin = plugin_search (name); if (ptr_plugin) { filename = strdup (ptr_plugin->filename); if (filename) { plugin_unload (ptr_plugin); plugin_load (filename, 1, argc, argv); free (filename); } } else { gui_chat_printf (NULL, _("%sPlugin \"%s\" not found"), gui_chat_prefix[GUI_CHAT_PREFIX_ERROR], name); } } /* * Displays list of loaded plugins on one line. */ void plugin_display_short_list () { const char *plugins_loaded; char *buf; int length; struct t_weechat_plugin *ptr_plugin; struct t_weelist *list; struct t_weelist_item *ptr_item; if (weechat_plugins) { list = weelist_new (); if (list) { plugins_loaded = _("Plugins loaded:"); length = strlen (plugins_loaded) + 1; for (ptr_plugin = weechat_plugins; ptr_plugin; ptr_plugin = ptr_plugin->next_plugin) { length += strlen (ptr_plugin->name) + 2; weelist_add (list, ptr_plugin->name, WEECHAT_LIST_POS_SORT, NULL); } length++; buf = malloc (length); if (buf) { strcpy (buf, plugins_loaded); strcat (buf, " "); for (ptr_item = list->items; ptr_item; ptr_item = ptr_item->next_item) { strcat (buf, ptr_item->data); if (ptr_item->next_item) strcat (buf, ", "); } gui_chat_printf (NULL, "%s", buf); free (buf); } weelist_free (list); } } } /* * Initializes plugin support. */ void plugin_init (char *force_plugin_autoload, int argc, char *argv[]) { /* read plugins options on disk */ plugin_config_init (); plugin_config_read (); /* auto-load plugins */ plugin_quiet = 1; plugin_auto_load (force_plugin_autoload, 1, 1, 1, argc, argv); plugin_display_short_list (); plugin_quiet = 0; } /* * Ends plugin support. */ void plugin_end () { /* write plugins configuration options */ plugin_config_write (); /* unload all plugins */ plugin_unload_all (); /* free all plugin options */ plugin_config_end (); } /* * Gets hdata for plugin. */ struct t_hdata * plugin_hdata_plugin_cb (const void *pointer, void *data, const char *hdata_name) { struct t_hdata *hdata; /* make C compiler happy */ (void) pointer; (void) data; hdata = hdata_new (NULL, hdata_name, "prev_plugin", "next_plugin", 0, 0, NULL, NULL); if (hdata) { HDATA_VAR(struct t_weechat_plugin, filename, STRING, 0, NULL, NULL); HDATA_VAR(struct t_weechat_plugin, handle, POINTER, 0, NULL, NULL); HDATA_VAR(struct t_weechat_plugin, name, STRING, 0, NULL, NULL); HDATA_VAR(struct t_weechat_plugin, description, STRING, 0, NULL, NULL); HDATA_VAR(struct t_weechat_plugin, author, STRING, 0, NULL, NULL); HDATA_VAR(struct t_weechat_plugin, version, STRING, 0, NULL, NULL); HDATA_VAR(struct t_weechat_plugin, license, STRING, 0, NULL, NULL); HDATA_VAR(struct t_weechat_plugin, charset, STRING, 0, NULL, NULL); HDATA_VAR(struct t_weechat_plugin, priority, INTEGER, 0, NULL, NULL); HDATA_VAR(struct t_weechat_plugin, initialized, INTEGER, 0, NULL, NULL); HDATA_VAR(struct t_weechat_plugin, debug, INTEGER, 0, NULL, NULL); HDATA_VAR(struct t_weechat_plugin, upgrading, INTEGER, 0, NULL, NULL); HDATA_VAR(struct t_weechat_plugin, variables, HASHTABLE, 0, NULL, NULL); HDATA_VAR(struct t_weechat_plugin, prev_plugin, POINTER, 0, NULL, hdata_name); HDATA_VAR(struct t_weechat_plugin, next_plugin, POINTER, 0, NULL, hdata_name); HDATA_LIST(weechat_plugins, WEECHAT_HDATA_LIST_CHECK_POINTERS); HDATA_LIST(last_weechat_plugin, 0); } return hdata; } /* * Adds a plugin in an infolist. * * Returns: * 1: OK * 0: error */ int plugin_add_to_infolist (struct t_infolist *infolist, struct t_weechat_plugin *plugin) { struct t_infolist_item *ptr_item; if (!infolist || !plugin) return 0; ptr_item = infolist_new_item (infolist); if (!ptr_item) return 0; if (!infolist_new_var_pointer (ptr_item, "pointer", plugin)) return 0; if (!infolist_new_var_string (ptr_item, "filename", plugin->filename)) return 0; if (!infolist_new_var_pointer (ptr_item, "handle", plugin->handle)) return 0; if (!infolist_new_var_string (ptr_item, "name", plugin->name)) return 0; if (!infolist_new_var_string (ptr_item, "description", plugin->description)) return 0; if (!infolist_new_var_string (ptr_item, "description_nls", (plugin->description && plugin->description[0]) ? _(plugin->description) : "")) return 0; if (!infolist_new_var_string (ptr_item, "author", plugin->author)) return 0; if (!infolist_new_var_string (ptr_item, "version", plugin->version)) return 0; if (!infolist_new_var_string (ptr_item, "license", plugin->license)) return 0; if (!infolist_new_var_string (ptr_item, "charset", plugin->charset)) return 0; if (!infolist_new_var_integer (ptr_item, "priority", plugin->priority)) return 0; if (!infolist_new_var_integer (ptr_item, "initialized", plugin->initialized)) return 0; if (!infolist_new_var_integer (ptr_item, "debug", plugin->debug)) return 0; if (!infolist_new_var_integer (ptr_item, "upgrading", plugin->upgrading)) return 0; if (!hashtable_add_to_infolist (plugin->variables, ptr_item, "var")) return 0; return 1; } /* * Prints plugins in WeeChat log file (usually for crash dump). */ void plugin_print_log () { struct t_weechat_plugin *ptr_plugin; for (ptr_plugin = weechat_plugins; ptr_plugin; ptr_plugin = ptr_plugin->next_plugin) { log_printf (""); log_printf ("[plugin (addr:0x%lx)]", ptr_plugin); log_printf (" filename . . . . . . . : '%s'", ptr_plugin->filename); log_printf (" handle . . . . . . . . : 0x%lx", ptr_plugin->handle); log_printf (" name . . . . . . . . . : '%s'", ptr_plugin->name); log_printf (" description. . . . . . : '%s'", ptr_plugin->description); log_printf (" author . . . . . . . . : '%s'", ptr_plugin->author); log_printf (" version. . . . . . . . : '%s'", ptr_plugin->version); log_printf (" license. . . . . . . . : '%s'", ptr_plugin->license); log_printf (" charset. . . . . . . . : '%s'", ptr_plugin->charset); log_printf (" priority . . . . . . . : %d", ptr_plugin->priority); log_printf (" initialized. . . . . . : %d", ptr_plugin->initialized); log_printf (" debug. . . . . . . . . : %d", ptr_plugin->debug); log_printf (" upgrading. . . . . . . : %d", ptr_plugin->upgrading); hashtable_print_log (ptr_plugin->variables, "variables"); log_printf (" prev_plugin. . . . . . : 0x%lx", ptr_plugin->prev_plugin); log_printf (" next_plugin. . . . . . : 0x%lx", ptr_plugin->next_plugin); } }