Sylpheed

/*

 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client

 * Copyright (C) 1999-2005 Hiroyuki Yamamoto

 *

 * This program 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 2 of the License, or

 * (at your option) any later version.

 *

 * This program 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 this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

 */

#ifdef HAVE_CONFIG_H

#  include "config.h"

#endif

#include "defs.h"

#include <glib.h>

#include <glib/gi18n.h>

#include <gtk/gtkmain.h>

#include <gtk/gtkrc.h>

#include <gtk/gtkstock.h>

#include <gtk/gtkaccelmap.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <ctype.h>

#include <unistd.h>

#include <time.h>

#include <sys/stat.h>

#include <sys/types.h>

#ifdef G_OS_UNIX

#  include <signal.h>

#endif

#if HAVE_LOCALE_H

#  include <locale.h>

#endif

#if USE_GPGME

#  include <gpgme.h>

#endif

#include "main.h"

#include "mainwindow.h"

#include "folderview.h"

#include "summaryview.h"

#include "prefs_common.h"

#include "prefs_account.h"

#include "prefs_actions.h"

#include "prefs_display_header.h"

#include "account.h"

#include "account_dialog.h"

#include "procmsg.h"

#include "filter.h"

#include "inc.h"

#include "import.h"

#include "manage_window.h"

#include "alertpanel.h"

#include "statusbar.h"

#include "addressbook.h"

#include "addrindex.h"

#include "compose.h"

#include "folder.h"

#include "setup.h"

#include "utils.h"

#include "gtkutils.h"

#include "socket.h"

#include "stock_pixmap.h"

#if USE_GPGME

#  include "rfc2015.h"

#endif

#if USE_SSL

#  include "ssl.h"

#endif

#include "version.h"

gchar *prog_version;

gchar *startup_dir;

static gint lock_socket = -1;

static gint lock_socket_tag = 0;

static struct RemoteCmd {

        gboolean receive;

        gboolean receive_all;

        gboolean compose;

        const gchar *compose_mailto;

        GPtrArray *attach_files;

        gboolean status;

        gboolean status_full;

        GPtrArray *status_folders;

        GPtrArray *status_full_folders;

        gboolean send;

} cmd;

static void parse_cmd_opt                (int                 argc,

                                         char                *argv[]);

static void app_init                        (void);

static void parse_gtkrc_files                (void);

static void setup_rc_dir                (void);

static void check_gpg                        (void);

static gchar *get_socket_name                (void);

static gint prohibit_duplicate_launch        (void);

static gint lock_socket_remove                (void);

static void lock_socket_input_cb        (gpointer           data,

                                         gint                   source,

                                         GdkInputCondition condition);

static void remote_command_exec                (void);

static void migrate_old_config                (void);

static void open_compose_new                (const gchar        *address,

                                         GPtrArray        *attach_files);

static void send_queue                        (void);

#define MAKE_DIR_IF_NOT_EXIST(dir)                                        \

{                                                                        \

        if (!is_dir_exist(dir)) {                                        \

                if (is_file_exist(dir)) {                                \

                        alertpanel_warning                                \

                                (_("File `%s' already exists.\n"        \

                                   "Can't create folder."),                \

                                 dir);                                        \

                        exit(1);                                        \

                }                                                        \

                if (make_dir(dir) < 0)                                        \

                        exit(1);                                        \

        }                                                                \

}

#define CHDIR_EXIT_IF_FAIL(dir, val)        \

{                                        \

        if (change_dir(dir) < 0)        \

                exit(val);                \

}

int main(int argc, char *argv[])

{

        MainWindow *mainwin;

        FolderView *folderview;

        GdkPixbuf *icon;

        app_init();

        parse_cmd_opt(argc, argv);

#ifdef G_OS_UNIX

        /* check and create unix domain socket for remote operation */

        lock_socket = prohibit_duplicate_launch();

        if (lock_socket < 0) return 0;

        if (cmd.status || cmd.status_full) {

                puts("0 Sylpheed not running.");

                lock_socket_remove();

                return 0;

        }

#endif

        gtk_set_locale();

        gtk_init(&argc, &argv);

        gdk_rgb_init();

        gtk_widget_set_default_colormap(gdk_rgb_get_cmap());

        gtk_widget_set_default_visual(gdk_rgb_get_visual());

#if USE_THREADS || USE_LDAP

        g_thread_init(NULL);

        if (!g_thread_supported())

                g_error(_("g_thread is not supported by glib.\n"));

#endif

        parse_gtkrc_files();

        setup_rc_dir();

        if (is_file_exist("sylpheed.log")) {

                if (rename_force("sylpheed.log", "sylpheed.log.bak") < 0)

                        FILE_OP_ERROR("sylpheed.log", "rename");

        }

        set_log_file("sylpheed.log");

        CHDIR_EXIT_IF_FAIL(get_home_dir(), 1);

        prefs_common_read_config();

        prefs_filter_read_config();

        prefs_actions_read_config();

        prefs_display_header_read_config();

        gtkut_stock_button_set_set_reverse(!prefs_common.comply_gnome_hig);

        check_gpg();

        sock_set_io_timeout(prefs_common.io_timeout_secs);

        gtkut_widget_init();

        stock_pixbuf_gdk(NULL, STOCK_PIXMAP_SYLPHEED, &icon);

        gtk_window_set_default_icon(icon);

        mainwin = main_window_create

                (prefs_common.sep_folder | prefs_common.sep_msg << 1);

        folderview = mainwin->folderview;

#ifdef G_OS_UNIX

        /* register the callback of unix domain socket input */

        lock_socket_tag = gdk_input_add(lock_socket,

                                        GDK_INPUT_READ | GDK_INPUT_EXCEPTION,

                                        lock_socket_input_cb,

                                        mainwin);

#endif

        account_read_config_all();

        account_set_menu();

        main_window_reflect_prefs_all();

        if (folder_read_list() < 0) {

                setup(mainwin);

                folder_write_list();

        }

        if (!account_get_list()) {

                account_edit_open();

                account_add();

        }

        account_set_missing_folder();

        folder_set_missing_folders();

        folderview_set(folderview);

        addressbook_read_file();

        inc_autocheck_timer_init(mainwin);

        remote_command_exec();

        gtk_main();

        return 0;

}

static void parse_cmd_opt(int argc, char *argv[])

{

        gint i;

        for (i = 1; i < argc; i++) {

                if (!strncmp(argv[i], "--debug", 7))

                        set_debug_mode(TRUE);

                else if (!strncmp(argv[i], "--receive-all", 13))

                        cmd.receive_all = TRUE;

                else if (!strncmp(argv[i], "--receive", 9))

                        cmd.receive = TRUE;

                else if (!strncmp(argv[i], "--compose", 9)) {

                        const gchar *p = argv[i + 1];

                        cmd.compose = TRUE;

                        cmd.compose_mailto = NULL;

                        if (p && *p != '\0' && *p != '-') {

                                if (!strncmp(p, "mailto:", 7))

                                        cmd.compose_mailto = p + 7;

                                else

                                        cmd.compose_mailto = p;

                                i++;

                        }

                } else if (!strncmp(argv[i], "--attach", 8)) {

                        const gchar *p = argv[i + 1];

                        gchar *file;

                        while (p && *p != '\0' && *p != '-') {

                                if (!cmd.attach_files)

                                        cmd.attach_files = g_ptr_array_new();

                                if (*p != G_DIR_SEPARATOR)

                                        file = g_strconcat(startup_dir,

                                                           G_DIR_SEPARATOR_S,

                                                           p, NULL);

                                else

                                        file = g_strdup(p);

                                g_ptr_array_add(cmd.attach_files, file);

                                i++;

                                p = argv[i + 1];

                        }

                } else if (!strncmp(argv[i], "--send", 6)) {

                        cmd.send = TRUE;

                } else if (!strncmp(argv[i], "--version", 9)) {

                        puts("Sylpheed version " VERSION);

                        exit(0);

                } else if (!strncmp(argv[i], "--status-full", 13)) {

                        const gchar *p = argv[i + 1];

                        cmd.status_full = TRUE;

                        while (p && *p != '\0' && *p != '-') {

                                if (!cmd.status_full_folders)

                                        cmd.status_full_folders =

                                                g_ptr_array_new();

                                g_ptr_array_add(cmd.status_full_folders,

                                                g_strdup(p));

                                i++;

                                p = argv[i + 1];

                        }

                } else if (!strncmp(argv[i], "--status", 8)) {

                        const gchar *p = argv[i + 1];

                        cmd.status = TRUE;

                        while (p && *p != '\0' && *p != '-') {

                                if (!cmd.status_folders)

                                        cmd.status_folders = g_ptr_array_new();

                                g_ptr_array_add(cmd.status_folders,

                                                g_strdup(p));

                                i++;

                                p = argv[i + 1];

                        }

                } else if (!strncmp(argv[i], "--help", 6)) {

                        g_print(_("Usage: %s [OPTION]...\n"),

                                g_basename(argv[0]));

                        g_print("%s\n", _("  --compose [address]    open composition window"));

                        g_print("%s\n", _("  --attach file1 [file2]...\n"

                                "                         open composition window with specified files\n"

                                "                         attached"));

                        g_print("%s\n", _("  --receive              receive new messages"));

                        g_print("%s\n", _("  --receive-all          receive new messages of all accounts"));

                        g_print("%s\n", _("  --send                 send all queued messages"));

                        g_print("%s\n", _("  --status [folder]...   show the total number of messages"));

                        g_print("%s\n", _("  --status-full [folder]...\n"

                                "                         show the status of each folder"));

                        g_print("%s\n", _("  --debug                debug mode"));

                        g_print("%s\n", _("  --help                 display this help and exit"));

                        g_print("%s\n", _("  --version              output version information and exit"));

                        exit(1);

                }

        }

        if (cmd.attach_files && cmd.compose == FALSE) {

                cmd.compose = TRUE;

                cmd.compose_mailto = NULL;

        }

}

static gint get_queued_message_num(void)

{

        FolderItem *queue;

        queue = folder_get_default_queue();

        if (!queue) return -1;

        folder_item_scan(queue);

        return queue->total;

}

static void app_init(void)

{

        setlocale(LC_ALL, "");

        bindtextdomain(PACKAGE, LOCALEDIR);

        bind_textdomain_codeset(PACKAGE, CS_UTF_8);

        textdomain(PACKAGE);

        prog_version = PROG_VERSION;

        startup_dir = g_get_current_dir();

        sock_init();

#if USE_SSL

        ssl_init();

#endif

#ifdef G_OS_UNIX

        /* ignore SIGPIPE signal for preventing sudden death of program */

        signal(SIGPIPE, SIG_IGN);

#endif

}

static void parse_gtkrc_files(void)

{

        gchar *userrc;

        /* parse gtkrc files */

        userrc = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".gtkrc-2.0",

                             NULL);

        gtk_rc_parse(userrc);

        g_free(userrc);

        userrc = g_strconcat(get_home_dir(), G_DIR_SEPARATOR_S, ".gtk",

                             G_DIR_SEPARATOR_S, "gtkrc-2.0", NULL);

        gtk_rc_parse(userrc);

        g_free(userrc);

        userrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, "gtkrc", NULL);

        gtk_rc_parse(userrc);

        g_free(userrc);

        userrc = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MENU_RC, NULL);

        gtk_accel_map_load(userrc);

        g_free(userrc);

}

static void setup_rc_dir(void)

{

        CHDIR_EXIT_IF_FAIL(get_home_dir(), 1);

#ifndef G_OS_WIN32

        /* backup if old rc file exists */

        if (is_file_exist(RC_DIR)) {

                if (rename_force(RC_DIR, RC_DIR ".bak") < 0)

                        FILE_OP_ERROR(RC_DIR, "rename");

        }

        /* migration from ~/.sylpheed to ~/.sylpheed-2.0 */

        if (!is_dir_exist(RC_DIR)) {

                const gchar *envstr;

                AlertValue val;

                /* check for filename encoding */

                if (conv_get_locale_charset() != C_UTF_8) {

                        envstr = g_getenv("G_FILENAME_ENCODING");

                        if (!envstr)

                                envstr = g_getenv("G_BROKEN_FILENAMES");

                        if (!envstr) {

                                val = alertpanel(_("Filename encoding"),

                                                 _("The locale encoding is not UTF-8, but the environmental variable G_FILENAME_ENCODING is not set.\n"

                                                   "If the locale encoding is used for file name or directory name, it will not work correctly.\n"

                                                   "In that case, you must set the following environmental variable (see README for detail):\n"

                                                   "\n"

                                                   "\tG_FILENAME_ENCODING=@locale\n"

                                                   "\n"

                                                   "Continue?"),

                                                 GTK_STOCK_OK, GTK_STOCK_QUIT,

                                                 NULL);

                                if (G_ALERTDEFAULT != val)

                                        exit(1);

                        }

                }

                if (make_dir(RC_DIR) < 0)

                        exit(1);

                if (is_dir_exist(OLD_RC_DIR))

                        migrate_old_config();

        }

#else

        if (!is_dir_exist(get_rc_dir())) {

                if (make_dir_hier(get_rc_dir()) < 0)

                        exit(1);

        }

        MAKE_DIR_IF_NOT_EXIST(get_mail_base_dir());

#endif /* G_OS_WIN32 */

        CHDIR_EXIT_IF_FAIL(get_rc_dir(), 1);

        MAKE_DIR_IF_NOT_EXIST(get_imap_cache_dir());

        MAKE_DIR_IF_NOT_EXIST(get_news_cache_dir());

        MAKE_DIR_IF_NOT_EXIST(get_mime_tmp_dir());

        MAKE_DIR_IF_NOT_EXIST(get_tmp_dir());

        MAKE_DIR_IF_NOT_EXIST(UIDL_DIR);

        /* remove temporary files */

        remove_all_files(get_tmp_dir());

        remove_all_files(get_mime_tmp_dir());

}

void app_will_exit(GtkWidget *widget, gpointer data)

{

        MainWindow *mainwin = data;

        gchar *filename;

        if (compose_get_compose_list()) {

                if (alertpanel(_("Notice"),

                               _("Composing message exists. Really quit?"),

                               GTK_STOCK_OK, GTK_STOCK_CANCEL, NULL)

                    != G_ALERTDEFAULT)

                        return;

                manage_window_focus_in(mainwin->window, NULL, NULL);

        }

        if (prefs_common.warn_queued_on_exit && get_queued_message_num() > 0) {

                if (alertpanel(_("Queued messages"),

                               _("Some unsent messages are queued. Exit now?"),

                               GTK_STOCK_OK, GTK_STOCK_CANCEL, NULL)

                    != G_ALERTDEFAULT)

                        return;

                manage_window_focus_in(mainwin->window, NULL, NULL);

        }

        inc_autocheck_timer_remove();

        if (prefs_common.clean_on_exit)

                main_window_empty_trash(mainwin, prefs_common.ask_on_clean);

        /* save all state before exiting */

        folder_write_list();

        summary_write_cache(mainwin->summaryview);

        main_window_get_size(mainwin);

        main_window_get_position(mainwin);

        prefs_common_write_config();

        prefs_filter_write_config();

        account_write_config_all();

        addressbook_export_to_file();

        filename = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MENU_RC, NULL);

        gtk_accel_map_save(filename);

        g_free(filename);

        /* remove temporary files */

        remove_all_files(get_tmp_dir());

        remove_all_files(get_mime_tmp_dir());

        close_log_file();

        lock_socket_remove();

#if USE_SSL

        ssl_done();

#endif

        sock_cleanup();

        gtk_main_quit();

}

#if 0

#if USE_GPGME

static void idle_function_for_gpgme(void)

{

        while (gtk_events_pending())

                gtk_main_iteration();

}

#endif /* USE_GPGME */

#endif /* 0 */

static void check_gpg(void)

{

#if USE_GPGME

        if (gpgme_check_version("0.4.5")) {

                /* Also does some gpgme init */

                gpgme_engine_info_t engineInfo;

                rfc2015_disable_all();

                gpgme_set_locale(NULL, LC_CTYPE, setlocale(LC_CTYPE, NULL));

                gpgme_set_locale(NULL, LC_MESSAGES,

                                 setlocale(LC_MESSAGES, NULL));

                if (!gpgme_get_engine_info(&engineInfo)) {

                        while (engineInfo) {

                                debug_print("GpgME Protocol: %s\n      Version: %s\n",

                                            gpgme_get_protocol_name

                                                (engineInfo->protocol),

                                            engineInfo->version);

                                engineInfo = engineInfo->next;

                        }

                }

        } else {

                if (prefs_common.gpg_warning) {

                        AlertValue val;

                        val = alertpanel_message_with_disable

                                (_("Warning"),

                                 _("GnuPG is not installed properly, or its version is too old.\n"

                                   "OpenPGP support disabled."),

                                 ALERT_WARNING);

                        if (val & G_ALERTDISABLE)

                                prefs_common.gpg_warning = FALSE;

                }

        }

        /* FIXME: This function went away.  We can either block until gpgme

         * operations finish (currently implemented) or register callbacks

         * with the gtk main loop via the gpgme io callback interface instead.

         *

         * gpgme_register_idle(idle_function_for_gpgme);

         */

#endif

}

static gchar *get_socket_name(void)

{

        static gchar *filename = NULL;

        if (filename == NULL) {

                filename = g_strdup_printf("%s%csylpheed-%d",

                                           g_get_tmp_dir(), G_DIR_SEPARATOR,

#if HAVE_GETUID

                                           getuid());

#else

                                           0);

#endif

        }

        return filename;

}

static gint prohibit_duplicate_launch(void)

{

        gint uxsock;

        gchar *path;

        path = get_socket_name();

        uxsock = fd_connect_unix(path);

        if (uxsock < 0) {

                g_unlink(path);

                return fd_open_unix(path);

        }

        /* remote command mode */

        debug_print(_("another Sylpheed is already running.\n"));

        if (cmd.receive_all)

                fd_write_all(uxsock, "receive_all\n", 12);

        else if (cmd.receive)

                fd_write_all(uxsock, "receive\n", 8);

        else if (cmd.compose && cmd.attach_files) {

                gchar *str, *compose_str;

                gint i;

                if (cmd.compose_mailto)

                        compose_str = g_strdup_printf("compose_attach %s\n",

                                                      cmd.compose_mailto);

                else

                        compose_str = g_strdup("compose_attach\n");

                fd_write_all(uxsock, compose_str, strlen(compose_str));

                g_free(compose_str);

                for (i = 0; i < cmd.attach_files->len; i++) {

                        str = g_ptr_array_index(cmd.attach_files, i);

                        fd_write_all(uxsock, str, strlen(str));

                        fd_write_all(uxsock, "\n", 1);

                }

                fd_write_all(uxsock, ".\n", 2);

        } else if (cmd.compose) {

                gchar *compose_str;

                if (cmd.compose_mailto)

                        compose_str = g_strdup_printf

                                ("compose %s\n", cmd.compose_mailto);

                else

                        compose_str = g_strdup("compose\n");

                fd_write_all(uxsock, compose_str, strlen(compose_str));

                g_free(compose_str);

        } else if (cmd.send) {

                fd_write_all(uxsock, "send\n", 5);

        } else if (cmd.status || cmd.status_full) {

                gchar buf[BUFFSIZE];

                gint i;

                const gchar *command;

                GPtrArray *folders;

                gchar *folder;

                command = cmd.status_full ? "status-full\n" : "status\n";

                folders = cmd.status_full ? cmd.status_full_folders :

                        cmd.status_folders;

                fd_write_all(uxsock, command, strlen(command));

                for (i = 0; folders && i < folders->len; ++i) {

                        folder = g_ptr_array_index(folders, i);

                        fd_write_all(uxsock, folder, strlen(folder));

                        fd_write_all(uxsock, "\n", 1);

                }

                fd_write_all(uxsock, ".\n", 2);

                for (;;) {

                        fd_gets(uxsock, buf, sizeof(buf));

                        if (!strncmp(buf, ".\n", 2)) break;

                        fputs(buf, stdout);

                }

        } else

                fd_write_all(uxsock, "popup\n", 6);

        fd_close(uxsock);

        return -1;

}

static gint lock_socket_remove(void)

{

#ifdef G_OS_UNIX

        gchar *filename;

        if (lock_socket < 0) return -1;

        if (lock_socket_tag > 0)

                gdk_input_remove(lock_socket_tag);

        fd_close(lock_socket);

        filename = get_socket_name();

        g_unlink(filename);

#endif

        return 0;

}

static GPtrArray *get_folder_item_list(gint sock)

{

        gchar buf[BUFFSIZE];

        FolderItem *item;

        GPtrArray *folders = NULL;

        for (;;) {

                fd_gets(sock, buf, sizeof(buf));

                if (!strncmp(buf, ".\n", 2)) break;

                strretchomp(buf);

                if (!folders) folders = g_ptr_array_new();

                item = folder_find_item_from_identifier(buf);

                if (item)

                        g_ptr_array_add(folders, item);

                else

                        g_warning("no such folder: %s\n", buf);

        }

        return folders;

}

static void lock_socket_input_cb(gpointer data,

                                 gint source,

                                 GdkInputCondition condition)

{

        MainWindow *mainwin = (MainWindow *)data;

        gint sock;

        gchar buf[BUFFSIZE];

        sock = fd_accept(source);

        fd_gets(sock, buf, sizeof(buf));

        if (!strncmp(buf, "popup", 5)) {

                main_window_popup(mainwin);

        } else if (!strncmp(buf, "receive_all", 11)) {

                main_window_popup(mainwin);

                inc_all_account_mail(mainwin, FALSE);

        } else if (!strncmp(buf, "receive", 7)) {

                main_window_popup(mainwin);

                inc_mail(mainwin);

        } else if (!strncmp(buf, "compose_attach", 14)) {

                GPtrArray *files;

                gchar *mailto;

                mailto = g_strdup(buf + strlen("compose_attach") + 1);

                files = g_ptr_array_new();

                while (fd_gets(sock, buf, sizeof(buf)) > 0) {

                        if (buf[0] == '.' && buf[1] == '\n') break;

                        strretchomp(buf);

                        g_ptr_array_add(files, g_strdup(buf));

                }

                open_compose_new(mailto, files);

                ptr_array_free_strings(files);

                g_ptr_array_free(files, TRUE);

                g_free(mailto);

        } else if (!strncmp(buf, "compose", 7)) {

                open_compose_new(buf + strlen("compose") + 1, NULL);

        } else if (!strncmp(buf, "send", 4)) {

                send_queue();

        } else if (!strncmp(buf, "status-full", 11) ||

                   !strncmp(buf, "status", 6)) {

                gchar *status;

                GPtrArray *folders;

                folders = get_folder_item_list(sock);

                status = folder_get_status

                        (folders, !strncmp(buf, "status-full", 11));

                fd_write_all(sock, status, strlen(status));

                fd_write_all(sock, ".\n", 2);

                g_free(status);

                if (folders) g_ptr_array_free(folders, TRUE);

        }

        fd_close(sock);

}

static void remote_command_exec(void)

{

        MainWindow *mainwin;

        mainwin = main_window_get();

        if (cmd.receive_all)

                inc_all_account_mail(mainwin, FALSE);

        else if (prefs_common.chk_on_startup)

                inc_all_account_mail(mainwin, TRUE);

        else if (cmd.receive)

                inc_mail(mainwin);

        if (cmd.compose)

                open_compose_new(cmd.compose_mailto, cmd.attach_files);

        if (cmd.attach_files) {

                ptr_array_free_strings(cmd.attach_files);

                g_ptr_array_free(cmd.attach_files, TRUE);

                cmd.attach_files = NULL;

        }

        if (cmd.send)

                send_queue();

        if (cmd.status_folders) {

                g_ptr_array_free(cmd.status_folders, TRUE);

                cmd.status_folders = NULL;

        }

        if (cmd.status_full_folders) {

                g_ptr_array_free(cmd.status_full_folders, TRUE);

                cmd.status_full_folders = NULL;

        }

}

static void migrate_old_config(void)

{

        GDir *dir;

        const gchar *dir_name;

        GPatternSpec *pspec;

        if (alertpanel(_("Migration of configuration"),

                       _("The previous version of configuration found.\n"

                         "Do you want to migrate it?"),

                       GTK_STOCK_YES, GTK_STOCK_NO, NULL) != G_ALERTDEFAULT)

                return;

        debug_print("Migrating old configuration...\n");

#define COPY_FILE(rcfile)                                                \

        if (is_file_exist(OLD_RC_DIR G_DIR_SEPARATOR_S rcfile)) {        \

                conv_copy_file(OLD_RC_DIR G_DIR_SEPARATOR_S rcfile,        \

                               RC_DIR G_DIR_SEPARATOR_S rcfile,                \

                               conv_get_locale_charset_str());                \

        }

        COPY_FILE(ACCOUNT_RC);

        COPY_FILE(ACTIONS_RC);

        COPY_FILE(COMMON_RC);

        COPY_FILE(CUSTOM_HEADER_RC);

        COPY_FILE(DISPLAY_HEADER_RC);

        COPY_FILE(FILTER_HEADER_RC);

        COPY_FILE(COMMAND_HISTORY);

#undef COPY_FILE

        if (is_file_exist(OLD_RC_DIR G_DIR_SEPARATOR_S FILTER_LIST))

                copy_file(OLD_RC_DIR G_DIR_SEPARATOR_S FILTER_LIST,

                          RC_DIR G_DIR_SEPARATOR_S FILTER_LIST, FALSE);

        if (is_file_exist(OLD_RC_DIR G_DIR_SEPARATOR_S FOLDER_LIST))

                copy_file(OLD_RC_DIR G_DIR_SEPARATOR_S FOLDER_LIST,

                          RC_DIR G_DIR_SEPARATOR_S FOLDER_LIST, FALSE);

        if (is_file_exist(OLD_RC_DIR G_DIR_SEPARATOR_S "mime.types"))

                copy_file(OLD_RC_DIR G_DIR_SEPARATOR_S "mime.types",

                          RC_DIR G_DIR_SEPARATOR_S "mime.types", FALSE);

        if (is_dir_exist(OLD_RC_DIR G_DIR_SEPARATOR_S TEMPLATE_DIR))

                conv_copy_dir(OLD_RC_DIR G_DIR_SEPARATOR_S TEMPLATE_DIR,

                              RC_DIR G_DIR_SEPARATOR_S TEMPLATE_DIR,

                              conv_get_locale_charset_str());

        if (is_dir_exist(OLD_RC_DIR G_DIR_SEPARATOR_S UIDL_DIR))

                copy_dir(OLD_RC_DIR G_DIR_SEPARATOR_S UIDL_DIR,

                         RC_DIR G_DIR_SEPARATOR_S UIDL_DIR);

        if (!is_file_exist(OLD_RC_DIR G_DIR_SEPARATOR_S ADDRESSBOOK_INDEX_FILE))

                return;

        if ((dir = g_dir_open(OLD_RC_DIR, 0, NULL)) == NULL) {

                g_warning("failed to open directory: %s\n", OLD_RC_DIR);

                return;

        }

        pspec = g_pattern_spec_new("addrbook-*.xml");