788 lines
20 KiB
C
788 lines
20 KiB
C
/*
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* Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
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* Copyright (C) 2002-2015 the Claws Mail Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#include "claws-features.h"
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#endif
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#include <stdio.h>
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#ifdef HAVE_VALGRIND
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#include <valgrind.h>
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#endif
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#include "defs.h"
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#include <glib.h>
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#ifdef ENABLE_NLS
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#include <glib/gi18n.h>
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#else
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#define _(a) (a)
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#define N_(a) (a)
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#endif
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#include <gmodule.h>
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#include "utils.h"
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#include "plugin.h"
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#include "prefs.h"
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#include "claws.h"
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#include "timing.h"
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#ifdef G_OS_WIN32
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#define PLUGINS_BLOCK_PREFIX "PluginsWin32_"
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#else
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#define PLUGINS_BLOCK_PREFIX "Plugins_"
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#endif
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struct _Plugin
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{
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gchar *filename;
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GModule *module;
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const gchar *(*name) (void);
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const gchar *(*desc) (void);
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const gchar *(*version) (void);
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const gchar *(*type) (void);
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const gchar *(*licence) (void);
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struct PluginFeature *(*provides) (void);
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GSList *rdeps;
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gchar *error;
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gboolean unloaded_hidden;
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gboolean in_prefix_dir;
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};
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const gchar *plugin_feature_names[] =
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{ N_("Nothing"),
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N_("a viewer"),
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N_("a MIME parser"),
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N_("folders"),
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N_("filtering"),
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N_("a privacy interface"),
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N_("a notifier"),
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N_("an utility"),
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N_("things"),
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NULL };
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/* The plugin must be at least under one of these licences and have
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the corresponding token returned by the plugin_licence function.
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*/
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const gchar const *plugin_licence_tokens[] = {
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"LGPL2.1+", "LGPLv2.1+", "LGPL2.1", "LGPLv2.1",
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"LGPL3+", "LGPLv3+", "LGPL3", "LGPLv3",
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"GPL3+", "GPLv3+", "GPL3", "GPLv3",
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"GPL2+", "GPLv2+",
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"Apache2.0", "Apache 2.0", "Apache v2.0",
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"2-clause BSD", "Simplified BSD", "FreeBSD",
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"3-clause BSD", "New BSD", "Modified BSD",
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NULL
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};
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/* Dual (or more) licences are allowed, must be separated by one of these.
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*/
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#define IS_LICENCE_SEP(a) ((a) == ',' || (a) == ';' || (a) == '|' || (a) == '/' || (a) == '\0')
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/**
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* List of all loaded plugins
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*/
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GSList *plugins = NULL;
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GSList *plugin_types = NULL;
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/*
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* List of plugins unloaded for some fixable reason
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*/
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static GSList *unloaded_plugins = NULL;
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static gint list_find_by_string(gconstpointer data, gconstpointer str)
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{
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return strcmp((gchar *)data, (gchar *)str) ? TRUE : FALSE;
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}
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static gint list_find_by_plugin_filename(const Plugin *plugin, const gchar *filename)
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{
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/* FIXME: There is a problem in case of symlinks or when a
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user tries to load a plugin with the same name from a
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different directory. I think it would be better to compare
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only the basename of the filename here (case-insensitive on
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W32). */
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cm_return_val_if_fail(plugin, 1);
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cm_return_val_if_fail(plugin->filename, 1);
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cm_return_val_if_fail(filename, 1);
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return strcmp(filename, plugin->filename);
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}
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static gboolean plugin_filename_is_standard_dir(const gchar *filename) {
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return strncmp(filename, get_plugin_dir(), strlen(get_plugin_dir())) == 0;
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}
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static gchar * plugin_canonical_name(const Plugin *plugin)
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{
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if (plugin->in_prefix_dir == TRUE) {
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if (plugin_filename_is_standard_dir(plugin->filename) == TRUE) {
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gchar *plugin_name = g_path_get_basename(plugin->filename);
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return plugin_name;
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}
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}
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return g_strdup(plugin->filename);
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}
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void plugin_save_list(void)
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{
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gchar *rcpath, *block;
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PrefFile *pfile;
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GSList *type_cur, *plugin_cur;
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Plugin *plugin;
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for (type_cur = plugin_types; type_cur != NULL; type_cur = g_slist_next(type_cur)) {
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rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, COMMON_RC, NULL);
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block = g_strconcat(PLUGINS_BLOCK_PREFIX, type_cur->data, NULL);
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if ((pfile = prefs_write_open(rcpath)) == NULL ||
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(prefs_set_block_label(pfile, block) < 0)) {
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g_warning("failed to write plugin list");
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g_free(rcpath);
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return;
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}
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g_free(block);
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for (plugin_cur = plugins; plugin_cur != NULL; plugin_cur = g_slist_next(plugin_cur)) {
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plugin = (Plugin *) plugin_cur->data;
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if (plugin->unloaded_hidden)
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continue;
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if (!strcmp(plugin->type(), type_cur->data)) {
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gchar * name = plugin_canonical_name(plugin);
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int err = fprintf(pfile->fp, "%s\n", name);
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g_free(name);
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if (err < 0)
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goto revert;
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}
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}
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for (plugin_cur = unloaded_plugins; plugin_cur != NULL; plugin_cur = g_slist_next(plugin_cur)) {
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plugin = (Plugin *) plugin_cur->data;
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if (plugin->unloaded_hidden)
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continue;
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if (!strcmp(plugin->type(), type_cur->data)) {
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gchar * name = plugin_canonical_name(plugin);
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int err = fprintf(pfile->fp, "%s\n", name);
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g_free(name);
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if (err < 0)
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goto revert;
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}
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}
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if (fprintf(pfile->fp, "\n") < 0)
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goto revert;
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if (prefs_file_close(pfile) < 0)
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g_warning("failed to write plugin list");
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g_free(rcpath);
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continue;
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revert:
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g_warning("failed to write plugin list");
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if (prefs_file_close_revert(pfile) < 0)
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g_warning("failed to revert plugin list");
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g_free(rcpath);
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}
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}
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static gboolean plugin_is_loaded(const gchar *filename)
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{
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return (g_slist_find_custom(plugins, filename,
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(GCompareFunc)list_find_by_plugin_filename) != NULL);
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}
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static Plugin *plugin_get_by_filename(const gchar *filename)
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{
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GSList *cur = plugins;
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for(; cur; cur = cur->next) {
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Plugin *p = (Plugin *)cur->data;
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if (!strcmp(p->filename, filename)) {
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return p;
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}
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}
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return NULL;
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}
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/**
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* Loads a plugin dependancies
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*
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* Plugin dependancies are, optionnaly, listed in a file in
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* get_plugin_dir()/$pluginname.deps.
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* \param filename The filename of the plugin for which we have to load deps
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* \param error The location where an error string can be stored
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* \return 0 on success, -1 otherwise
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*/
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static gint plugin_load_deps(const gchar *filename, gchar **error)
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{
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gchar *tmp;
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gchar *deps_file = NULL;
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FILE *fp = NULL;
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gchar buf[BUFFSIZE];
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gchar *p;
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tmp = g_strdup(filename);
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if( (p = strrchr(tmp, '.')) )
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*p = '\0';
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deps_file = g_strconcat(tmp, ".deps", NULL);
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g_free(tmp);
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fp = g_fopen(deps_file, "rb");
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g_free(deps_file);
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if (!fp)
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return 0;
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while (fgets(buf, sizeof(buf), fp) != NULL) {
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Plugin *dep_plugin = NULL;
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gchar *path = NULL;
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buf[strlen(buf)-1]='\0'; /* chop off \n */
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path = g_strconcat(get_plugin_dir(), buf,
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".", G_MODULE_SUFFIX, NULL);
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if ((dep_plugin = plugin_get_by_filename(path)) == NULL) {
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debug_print("trying to load %s\n", path);
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dep_plugin = plugin_load(path, error);
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if (dep_plugin == NULL) {
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g_free(path);
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fclose(fp);
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return -1;
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}
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dep_plugin->in_prefix_dir = TRUE;
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}
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g_free(path);
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if (!g_slist_find_custom(dep_plugin->rdeps,
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(gpointer) filename, list_find_by_string)) {
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debug_print("adding %s to %s rdeps\n",
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filename,
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dep_plugin->filename);
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dep_plugin->rdeps =
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g_slist_append(dep_plugin->rdeps,
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g_strdup(filename));
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}
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}
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fclose(fp);
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return 0;
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}
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static void plugin_unload_rdeps(Plugin *plugin)
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{
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GSList *cur = plugin->rdeps;
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debug_print("removing %s rdeps\n", plugin->filename);
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while (cur) {
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gchar *file = (gchar *)cur->data;
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Plugin *rdep_plugin = file?plugin_get_by_filename(file):NULL;
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debug_print(" rdep %s: %p\n", file, rdep_plugin);
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if (rdep_plugin) {
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plugin_unload(rdep_plugin);
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}
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g_free(file);
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cur = cur->next;
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}
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g_slist_free(plugin->rdeps);
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plugin->rdeps = NULL;
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}
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static void plugin_remove_from_unloaded_list (const gchar *filename)
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{
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GSList *item = g_slist_find_custom(unloaded_plugins,
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(gpointer) filename, (GCompareFunc)list_find_by_plugin_filename);
|
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Plugin *unloaded_plugin = item ? ((Plugin *)item->data):NULL;
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if (unloaded_plugin != NULL) {
|
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debug_print("removing %s from unloaded list\n", unloaded_plugin->filename);
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unloaded_plugins = g_slist_remove(unloaded_plugins, unloaded_plugin);
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g_module_close(unloaded_plugin->module);
|
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g_free(unloaded_plugin->filename);
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g_free(unloaded_plugin->error);
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g_free(unloaded_plugin);
|
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}
|
|
}
|
|
|
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static gchar *plugin_check_features(struct PluginFeature *features) {
|
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int i = 0, j = 0;
|
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GSList *cur = plugins;
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|
|
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if (features == NULL)
|
|
return NULL;
|
|
for(; cur; cur = cur->next) {
|
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Plugin *p = (Plugin *)cur->data;
|
|
struct PluginFeature *cur_features = p->provides();
|
|
if (p->unloaded_hidden)
|
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continue;
|
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for (j = 0; cur_features[j].type != PLUGIN_NOTHING; j++) {
|
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for (i = 0; features[i].type != PLUGIN_NOTHING; i++) {
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if (cur_features[j].type == features[i].type &&
|
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!strcmp(cur_features[j].subtype, features[i].subtype)) {
|
|
return g_strdup_printf(_(
|
|
"This plugin provides %s (%s), which is "
|
|
"already provided by the %s plugin."),
|
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_(plugin_feature_names[features[i].type]),
|
|
_(features[i].subtype),
|
|
p->name());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static gboolean plugin_licence_check(const gchar *licence) {
|
|
gint i = 0;
|
|
gint len = 0;
|
|
|
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if (licence != NULL) {
|
|
len = strlen(licence);
|
|
}
|
|
if (len == 0) {
|
|
g_warning("plugin licence check failed: empty licence");
|
|
return FALSE;
|
|
}
|
|
while (plugin_licence_tokens[i] != NULL) {
|
|
gchar *found = g_strstr_len(licence, len, plugin_licence_tokens[i]);
|
|
if (found != NULL) {
|
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gint tlen = strlen(plugin_licence_tokens[i]);
|
|
if (len != tlen) { /* not a single license */
|
|
if (((found == licence) && (!IS_LICENCE_SEP(licence[tlen])))
|
|
|| (!IS_LICENCE_SEP(*(found - 1)))
|
|
|| (!IS_LICENCE_SEP(*(found + tlen)))) {
|
|
debug_print("plugin licence check failed: invalid separator\n");
|
|
return FALSE;
|
|
}
|
|
}
|
|
debug_print("plugin licence check passed: %s found\n", plugin_licence_tokens[i]);
|
|
return TRUE;
|
|
}
|
|
++i;
|
|
}
|
|
debug_print("plugin licence check failed: %s is not a valid licence\n", licence);
|
|
return FALSE;
|
|
}
|
|
|
|
static Plugin *plugin_load_in_default_dir(const gchar *filename, gchar **error)
|
|
{
|
|
Plugin *plugin = NULL;
|
|
gchar *filename_default_dir = NULL;
|
|
gchar *default_error = NULL;
|
|
gchar *plugin_name = g_path_get_basename(filename);
|
|
|
|
filename_default_dir = g_strconcat(get_plugin_dir(), plugin_name, NULL);
|
|
|
|
debug_print("trying to load %s in default plugin directory %s\n",
|
|
plugin_name, get_plugin_dir());
|
|
|
|
g_free(plugin_name);
|
|
|
|
plugin = plugin_load(filename_default_dir, &default_error);
|
|
|
|
g_free(filename_default_dir);
|
|
|
|
if (plugin) {
|
|
g_free(*error);
|
|
*error = NULL;
|
|
plugin->in_prefix_dir = TRUE;
|
|
|
|
} else {
|
|
g_free(default_error);
|
|
}
|
|
|
|
return plugin;
|
|
}
|
|
|
|
/**
|
|
* Loads a plugin
|
|
*
|
|
* \param filename The filename of the plugin to load
|
|
* \param error The location where an error string can be stored
|
|
* \return the plugin on success, NULL otherwise
|
|
*/
|
|
Plugin *plugin_load(const gchar *filename, gchar **error)
|
|
{
|
|
Plugin *plugin;
|
|
gint (*plugin_init) (gchar **error);
|
|
gpointer plugin_name, plugin_desc, plugin_version;
|
|
const gchar *(*plugin_type)(void);
|
|
const gchar *(*plugin_licence)(void);
|
|
struct PluginFeature *(*plugin_provides)(void);
|
|
|
|
gint ok;
|
|
START_TIMING((filename?filename:"NULL plugin"));
|
|
cm_return_val_if_fail(filename != NULL, NULL);
|
|
cm_return_val_if_fail(error != NULL, NULL);
|
|
|
|
/* check duplicate plugin path name */
|
|
if (plugin_is_loaded(filename)) {
|
|
plugin = plugin_get_by_filename(filename);
|
|
if (plugin->unloaded_hidden) {
|
|
/* reshow it */
|
|
goto init_plugin;
|
|
} else {
|
|
*error = g_strdup(_("Plugin already loaded"));
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
plugin_remove_from_unloaded_list(filename);
|
|
|
|
if (plugin_load_deps(filename, error) < 0)
|
|
return NULL;
|
|
plugin = g_new0(Plugin, 1);
|
|
if (plugin == NULL) {
|
|
*error = g_strdup(_("Failed to allocate memory for Plugin"));
|
|
return NULL;
|
|
}
|
|
|
|
debug_print("trying to load `%s'\n", filename);
|
|
plugin->module = g_module_open(filename, 0);
|
|
if (plugin->module == NULL) {
|
|
*error = g_strdup(g_module_error());
|
|
g_free(plugin);
|
|
if (!plugin_filename_is_standard_dir(filename))
|
|
return plugin_load_in_default_dir(filename, error);
|
|
else
|
|
return NULL;
|
|
} else {
|
|
plugin->in_prefix_dir = FALSE;
|
|
}
|
|
|
|
init_plugin:
|
|
if (!g_module_symbol(plugin->module, "plugin_name", &plugin_name) ||
|
|
!g_module_symbol(plugin->module, "plugin_desc", &plugin_desc) ||
|
|
!g_module_symbol(plugin->module, "plugin_version", &plugin_version) ||
|
|
!g_module_symbol(plugin->module, "plugin_type", (gpointer)&plugin_type) ||
|
|
!g_module_symbol(plugin->module, "plugin_licence", (gpointer)&plugin_licence) ||
|
|
!g_module_symbol(plugin->module, "plugin_provides", (gpointer)&plugin_provides) ||
|
|
!g_module_symbol(plugin->module, "plugin_init", (gpointer)&plugin_init)) {
|
|
*error = g_strdup(g_module_error());
|
|
if (plugin->unloaded_hidden)
|
|
return NULL;
|
|
g_module_close(plugin->module);
|
|
g_free(plugin);
|
|
return NULL;
|
|
}
|
|
|
|
if (plugin_licence_check(plugin_licence()) != TRUE) {
|
|
*error = g_strdup(_("This module is not licensed under a GPL v3 or later compatible license."));
|
|
if (plugin->unloaded_hidden)
|
|
return NULL;
|
|
g_module_close(plugin->module);
|
|
g_free(plugin);
|
|
return NULL;
|
|
}
|
|
|
|
if (!strcmp(plugin_type(), "GTK")) {
|
|
*error = g_strdup(_("This module is for Claws Mail GTK1."));
|
|
if (plugin->unloaded_hidden)
|
|
return NULL;
|
|
g_module_close(plugin->module);
|
|
g_free(plugin);
|
|
return NULL;
|
|
}
|
|
|
|
if ((*error = plugin_check_features(plugin_provides())) != NULL) {
|
|
if (plugin->unloaded_hidden)
|
|
return NULL;
|
|
g_module_close(plugin->module);
|
|
g_free(plugin);
|
|
return NULL;
|
|
}
|
|
plugin->name = plugin_name;
|
|
plugin->desc = plugin_desc;
|
|
plugin->version = plugin_version;
|
|
plugin->type = plugin_type;
|
|
plugin->licence = plugin_licence;
|
|
plugin->provides = plugin_provides;
|
|
plugin->filename = g_strdup(filename);
|
|
plugin->error = NULL;
|
|
|
|
if ((ok = plugin_init(error)) < 0) {
|
|
if (*error)
|
|
plugin->error = g_strdup(*error);
|
|
unloaded_plugins = g_slist_append(unloaded_plugins, plugin);
|
|
return NULL;
|
|
}
|
|
|
|
if (!plugin->unloaded_hidden)
|
|
plugins = g_slist_append(plugins, plugin);
|
|
plugin->unloaded_hidden = FALSE;
|
|
|
|
debug_print("Plugin %s (from file %s) loaded\n", plugin->name(), filename);
|
|
END_TIMING();
|
|
return plugin;
|
|
}
|
|
|
|
void plugin_unload(Plugin *plugin)
|
|
{
|
|
gboolean (*plugin_done) (void);
|
|
gboolean can_unload = TRUE;
|
|
|
|
plugin_unload_rdeps(plugin);
|
|
|
|
if (plugin->unloaded_hidden)
|
|
return;
|
|
|
|
if (plugin->error) {
|
|
plugin_remove_from_unloaded_list(plugin->filename);
|
|
return;
|
|
}
|
|
if (g_module_symbol(plugin->module, "plugin_done", (gpointer) &plugin_done)) {
|
|
can_unload = plugin_done();
|
|
}
|
|
|
|
if (can_unload) {
|
|
#ifdef HAVE_VALGRIND
|
|
if (!RUNNING_ON_VALGRIND) {
|
|
g_module_close(plugin->module);
|
|
}
|
|
#else
|
|
g_module_close(plugin->module);
|
|
#endif
|
|
plugins = g_slist_remove(plugins, plugin);
|
|
g_free(plugin->filename);
|
|
g_free(plugin);
|
|
} else {
|
|
plugin->unloaded_hidden = TRUE;
|
|
}
|
|
|
|
}
|
|
|
|
static void replace_old_plugin_name(gchar *plugin_name)
|
|
{
|
|
gchar *old_name_end = g_strconcat("_plugin.", G_MODULE_SUFFIX, NULL);
|
|
gchar *matches = strstr(plugin_name, old_name_end);
|
|
|
|
if (!matches) {
|
|
g_free(old_name_end);
|
|
return;
|
|
} else if (plugin_name + strlen(plugin_name) != matches + strlen(matches)) {
|
|
g_free(old_name_end);
|
|
return;
|
|
} else {
|
|
gchar *new_name_end = g_strconcat(".", G_MODULE_SUFFIX, NULL);
|
|
int offset = strlen(plugin_name) - strlen(old_name_end);
|
|
|
|
debug_print("Replacing old plugin name %s\n", plugin_name);
|
|
|
|
strncpy(plugin_name + offset, new_name_end, strlen(old_name_end) - 1);
|
|
debug_print(" to %s\n", plugin_name);
|
|
}
|
|
}
|
|
|
|
void plugin_load_all(const gchar *type)
|
|
{
|
|
gchar *rcpath;
|
|
gchar buf[BUFFSIZE];
|
|
PrefFile *pfile;
|
|
gchar *error = NULL, *block;
|
|
|
|
plugin_types = g_slist_append(plugin_types, g_strdup(type));
|
|
|
|
rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, COMMON_RC, NULL);
|
|
block = g_strconcat(PLUGINS_BLOCK_PREFIX, type, NULL);
|
|
if ((pfile = prefs_read_open(rcpath)) == NULL ||
|
|
(prefs_set_block_label(pfile, block) < 0)) {
|
|
g_free(rcpath);
|
|
if (pfile)
|
|
prefs_file_close(pfile);
|
|
return;
|
|
}
|
|
g_free(block);
|
|
|
|
while (fgets(buf, sizeof(buf), pfile->fp) != NULL) {
|
|
if (buf[0] == '[')
|
|
break;
|
|
|
|
g_strstrip(buf);
|
|
replace_old_plugin_name(buf);
|
|
|
|
if ((buf[0] != '\0') && (plugin_load(buf, &error) == NULL)) {
|
|
g_warning("plugin loading error: %s", error);
|
|
g_free(error);
|
|
}
|
|
}
|
|
prefs_file_close(pfile);
|
|
|
|
g_free(rcpath);
|
|
}
|
|
|
|
void plugin_unload_all(const gchar *type)
|
|
{
|
|
GSList *list, *cur;
|
|
|
|
list = g_slist_copy(plugins);
|
|
list = g_slist_reverse(list);
|
|
|
|
for(cur = list; cur != NULL; cur = g_slist_next(cur)) {
|
|
Plugin *plugin = (Plugin *) cur->data;
|
|
|
|
if (!strcmp(type, plugin->type()))
|
|
plugin_unload(plugin);
|
|
}
|
|
g_slist_free(list);
|
|
|
|
cur = g_slist_find_custom(plugin_types, (gpointer) type, list_find_by_string);
|
|
if (cur) {
|
|
g_free(cur->data);
|
|
plugin_types = g_slist_remove(plugin_types, cur);
|
|
}
|
|
}
|
|
|
|
|
|
/* Load those plugins we always want to use. No error output; just
|
|
* try. */
|
|
void plugin_load_standard_plugins (void)
|
|
{
|
|
static const char *names[] = {
|
|
#ifdef G_OS_WIN32
|
|
"pgpmime",
|
|
"pgpinline",
|
|
#else
|
|
/* post-2.5 maybe
|
|
"bogofilter", */
|
|
#endif
|
|
NULL
|
|
};
|
|
int i;
|
|
gchar *error, *filename;
|
|
|
|
for (i=0; names[i]; i++) {
|
|
/* Simple hack to check whether the plugin has already
|
|
* been loaded but checking only for the basename. */
|
|
GSList *cur = plugins;
|
|
for(; cur; cur = cur->next) {
|
|
Plugin *p = (Plugin *)cur->data;
|
|
if (strstr(p->filename, names[i]))
|
|
break;
|
|
}
|
|
if (!cur) { /* Not yet loaded. */
|
|
/* FIXME: get_plugin_dir () returns with a trailing
|
|
* (back)slash; this should be fixed so that we can use
|
|
* g_module_build_path here. */
|
|
#ifdef G_OS_WIN32
|
|
filename = g_strconcat (get_plugin_dir(),
|
|
names[i], NULL);
|
|
#else
|
|
filename = g_strconcat (get_plugin_dir(),
|
|
names[i], ".", G_MODULE_SUFFIX, NULL);
|
|
#endif
|
|
error = NULL;
|
|
plugin_load(filename, &error);
|
|
g_free (error);
|
|
g_free(filename);
|
|
}
|
|
}
|
|
}
|
|
|
|
GSList *plugin_get_list(void)
|
|
{
|
|
GSList *new = NULL;
|
|
GSList *cur = plugins;
|
|
for (; cur; cur = cur->next) {
|
|
Plugin *p = (Plugin *)cur->data;
|
|
if (!p->unloaded_hidden)
|
|
new = g_slist_prepend(new, p);
|
|
}
|
|
new = g_slist_reverse(new);
|
|
return new;
|
|
}
|
|
|
|
Plugin *plugin_get_loaded_by_name(const gchar *name)
|
|
{
|
|
Plugin *plugin = NULL;
|
|
GSList *new, *cur;
|
|
new = plugin_get_list();
|
|
for (cur = new; cur; cur = g_slist_next(cur)) {
|
|
plugin = (Plugin *)cur->data;
|
|
if (!g_ascii_strcasecmp(plugin->name(), name))
|
|
break;
|
|
else
|
|
plugin = NULL;
|
|
}
|
|
g_slist_free(new);
|
|
return plugin;
|
|
}
|
|
|
|
GSList *plugin_get_unloaded_list(void)
|
|
{
|
|
return g_slist_copy(unloaded_plugins);
|
|
}
|
|
|
|
const gchar *plugin_get_name(Plugin *plugin)
|
|
{
|
|
return plugin->name();
|
|
}
|
|
|
|
const gchar *plugin_get_desc(Plugin *plugin)
|
|
{
|
|
return plugin->desc();
|
|
}
|
|
|
|
const gchar *plugin_get_version(Plugin *plugin)
|
|
{
|
|
return plugin->version();
|
|
}
|
|
|
|
const gchar *plugin_get_error(Plugin *plugin)
|
|
{
|
|
return plugin->error;
|
|
}
|
|
|
|
/* Generally called in plugin_init() function of each plugin. It check the
|
|
* minimal and compiled version of claws binary required by the plugin.
|
|
* If (@minimum_claws_version == 0 || @compiled_claws_version == 0), don't
|
|
* check the corresponding version.
|
|
*
|
|
* If an error occurs {
|
|
* If @error == NULL { don't allocate error string. }
|
|
* If @error != NULL { error string is allocated and must be freed after
|
|
* call function. }
|
|
* }
|
|
* Returns: FALSE if an error occurs, TRUE if all is OK.
|
|
*/
|
|
gint check_plugin_version(guint32 minimum_claws_version,
|
|
guint32 compiled_claws_version,
|
|
const gchar *plugin_name,
|
|
gchar **error)
|
|
{
|
|
guint32 claws_version = claws_get_version();
|
|
|
|
if (compiled_claws_version != 0 && claws_version > compiled_claws_version) {
|
|
if (error != NULL) {
|
|
*error = (plugin_name && *plugin_name)
|
|
? g_strdup_printf(_("Your version of Claws Mail is newer than the "
|
|
"version the '%s' plugin was built with."),
|
|
plugin_name)
|
|
: g_strdup(_("Your version of Claws Mail is newer than the "
|
|
"version the plugin was built with."));
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
if (minimum_claws_version != 0 && claws_version < minimum_claws_version) {
|
|
if (error != NULL) {
|
|
*error = (plugin_name && *plugin_name)
|
|
? g_strdup_printf(_("Your version of Claws Mail is too old for "
|
|
"the '%s' plugin."), plugin_name)
|
|
: g_strdup(_("Your version of Claws Mail is too old for the plugin."));
|
|
}
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|