1 /* passphrase.c - GTK+ based passphrase callback
2 * Copyright (C) 2001-2007 Werner Koch (dd9jn) and the Claws Mail team
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
26 #include <glib/gi18n.h>
27 #include <gdk/gdktypes.h>
28 #include <gdk/gdkkeysyms.h>
29 #include <gdk/gdkdisplay.h>
30 #ifdef GDK_WINDOWING_X11
31 # include <gdk/gdkx.h>
32 #endif /* GDK_WINDOWING_X11 */
33 #include <gtk/gtkmain.h>
34 #include <gtk/gtkwidget.h>
35 #include <gtk/gtkwindow.h>
36 #include <gtk/gtkvbox.h>
37 #include <gtk/gtktable.h>
38 #include <gtk/gtklabel.h>
39 #include <gtk/gtkentry.h>
40 #include <gtk/gtkhbbox.h>
41 #include <gtk/gtkbutton.h>
42 #include <gtk/gtkfilesel.h>
43 #include <gtk/gtksignal.h>
45 #include <sys/types.h>
52 #include "passphrase.h"
53 #include "prefs_common.h"
54 #include "prefs_gpg.h"
55 #include "manage_window.h"
57 #include "mainwindow.h"
58 #include "summaryview.h"
60 static gboolean grab_all = FALSE;
62 static gboolean pass_ack;
63 static gchar *last_pass = NULL;
65 static void passphrase_ok_cb(GtkWidget *widget, gpointer data);
66 static void passphrase_cancel_cb(GtkWidget *widget, gpointer data);
67 static gint passphrase_deleted(GtkWidget *widget, GdkEventAny *event,
69 static gboolean passphrase_key_pressed(GtkWidget *widget, GdkEventKey *event,
72 static GtkWidget *create_description(const gchar *uid_hint,
73 const gchar *pass_hint, gint prev_bad, gint new_key);
76 gpgmegtk_set_passphrase_grab(gint yes)
82 passphrase_mbox(const gchar *uid_hint, const gchar *pass_hint, gint prev_bad, gint new_key)
84 gchar *the_passphrase = NULL;
85 GtkWidget *vbox, *hbox;
86 GtkWidget *confirm_box;
88 GtkWidget *pass_entry;
90 GtkWidget *cancel_button;
92 SummaryView *summaryview = mainwindow_get_mainwindow()->summaryview;
94 gtk_menu_popdown(GTK_MENU(summaryview->popupmenu));
96 window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "passphrase");
97 gtk_window_set_title(GTK_WINDOW(window), _("Passphrase"));
98 gtk_window_set_default_size(GTK_WINDOW(window), 375, 100);
99 gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
100 gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
101 gtk_window_set_modal(GTK_WINDOW(window), TRUE);
102 g_signal_connect(G_OBJECT(window), "delete_event",
103 G_CALLBACK(passphrase_deleted), NULL);
104 g_signal_connect(G_OBJECT(window), "key_press_event",
105 G_CALLBACK(passphrase_key_pressed), NULL);
106 MANAGE_WINDOW_SIGNALS_CONNECT(window);
107 manage_window_set_transient(GTK_WINDOW(window));
109 vbox = gtk_vbox_new(FALSE, 8);
110 gtk_container_add(GTK_CONTAINER(window), vbox);
111 gtk_container_set_border_width(GTK_CONTAINER(vbox), 8);
113 if (uid_hint || pass_hint) {
114 GtkWidget *label, *icon;
115 label = create_description (uid_hint, pass_hint, prev_bad, new_key);
116 icon = gtk_image_new_from_stock(GTK_STOCK_DIALOG_AUTHENTICATION,
117 GTK_ICON_SIZE_DIALOG);
119 hbox = gtk_hbox_new (FALSE, 12);
120 gtk_container_set_border_width (GTK_CONTAINER (hbox), 5);
121 gtk_widget_show (hbox);
122 gtk_box_pack_start (GTK_BOX(hbox), icon, FALSE, FALSE, 0);
123 gtk_box_pack_start (GTK_BOX(hbox), label, FALSE, FALSE, 0);
124 gtk_box_pack_start (GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
127 pass_entry = gtk_entry_new();
128 gtk_box_pack_start(GTK_BOX(vbox), pass_entry, FALSE, FALSE, 0);
129 gtk_entry_set_visibility(GTK_ENTRY(pass_entry), FALSE);
130 gtk_widget_grab_focus(pass_entry);
132 gtkut_stock_button_set_create(&confirm_box,
133 &cancel_button, GTK_STOCK_CANCEL,
134 &ok_button, GTK_STOCK_OK,
137 gtk_box_pack_end(GTK_BOX(vbox), confirm_box, FALSE, FALSE, 0);
138 gtk_widget_grab_default(ok_button);
140 g_signal_connect(G_OBJECT(ok_button), "clicked",
141 G_CALLBACK(passphrase_ok_cb), NULL);
142 g_signal_connect(G_OBJECT(pass_entry), "activate",
143 G_CALLBACK(passphrase_ok_cb), NULL);
144 g_signal_connect(G_OBJECT(cancel_button), "clicked",
145 G_CALLBACK(passphrase_cancel_cb), NULL);
147 gtk_window_set_position (GTK_WINDOW(window), GTK_WIN_POS_CENTER);
149 gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
151 gtk_widget_show_all(window);
154 int err = 0, cnt = 0;
155 /* make sure that window is viewable */
156 gtk_widget_show_now(window);
157 gdk_window_process_updates(window->window, TRUE);
159 while(gtk_events_pending()) {
160 gtk_main_iteration();
163 if ((err = gdk_pointer_grab(window->window, TRUE, 0,
164 window->window, NULL, GDK_CURRENT_TIME))) {
165 if (err == GDK_GRAB_NOT_VIEWABLE && cnt < 10) {
167 g_warning("trying to grab mouse again\n");
168 gtk_main_iteration();
171 g_warning("OOPS: Could not grab mouse\n");
172 gtk_widget_destroy(window);
176 if (gdk_keyboard_grab(window->window, FALSE, GDK_CURRENT_TIME)) {
177 gdk_display_pointer_ungrab(gdk_display_get_default(),
179 g_warning("OOPS: Could not grab keyboard\n");
180 gtk_widget_destroy(window);
188 gdk_display_keyboard_ungrab(gdk_display_get_default(),
190 gdk_display_pointer_ungrab(gdk_display_get_default(), GDK_CURRENT_TIME);
194 manage_window_focus_out(window, NULL, NULL);
197 const gchar *entry_text;
198 entry_text = gtk_entry_get_text(GTK_ENTRY(pass_entry));
199 the_passphrase = g_locale_from_utf8(entry_text, -1, NULL, NULL, NULL);
200 if (the_passphrase == NULL)
201 the_passphrase = g_strdup (entry_text);
203 gtk_widget_destroy (window);
205 return the_passphrase;
210 passphrase_ok_cb(GtkWidget *widget, gpointer data)
217 passphrase_cancel_cb(GtkWidget *widget, gpointer data)
225 passphrase_deleted(GtkWidget *widget, GdkEventAny *event, gpointer data)
227 passphrase_cancel_cb(NULL, NULL);
233 passphrase_key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
235 if (event && event->keyval == GDK_Escape)
236 passphrase_cancel_cb(NULL, NULL);
241 linelen (const gchar *s)
245 for (i = 0; *s && *s != '\n'; s++, i++)
252 create_description(const gchar *uid_hint, const gchar *pass_hint, gint prev_bad, gint new_key)
254 const gchar *uid = NULL, *info = NULL;
257 gchar *my_uid = NULL;
259 uid = _("[no user id]");
267 my_uid = g_strdup(uid);
268 while (strchr(my_uid, '<'))
269 *(strchr(my_uid, '<')) = '(';
270 while (strchr(my_uid, '>'))
271 *(strchr(my_uid, '>')) = ')';
274 buf = g_strdup_printf (_("<span weight=\"bold\" size=\"larger\">%sPlease enter the passphrase for the new key:</span>\n\n"
277 _("Passphrases did not match.\n") : "",
278 linelen (my_uid), my_uid);
279 } else if (new_key == 2) {
280 buf = g_strdup_printf (_("<span weight=\"bold\" size=\"larger\">Please re-enter the passphrase for the new key:</span>\n\n"
282 linelen (my_uid), my_uid);
284 buf = g_strdup_printf (_("<span weight=\"bold\" size=\"larger\">%sPlease enter the passphrase for:</span>\n\n"
287 _("Bad passphrase.\n") : "",
288 linelen (my_uid), my_uid);
291 label = gtk_label_new (buf);
292 gtk_label_set_use_markup(GTK_LABEL (label), TRUE);
293 gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_LEFT);
294 gtk_label_set_line_wrap(GTK_LABEL (label), TRUE);
300 static int free_passphrase(gpointer _unused)
302 if (last_pass != NULL) {
303 #ifndef G_PLATFORM_WIN32
304 munlock(last_pass, strlen(last_pass));
308 debug_print("%% passphrase removed\n");
315 gpgmegtk_passphrase_cb(void *opaque, const char *uid_hint,
316 const char *passphrase_hint, int prev_bad, int fd)
318 const char *pass = NULL;
320 if (prefs_gpg_get_config()->store_passphrase && last_pass && !prev_bad)
321 pass = g_strdup(last_pass);
323 gpgmegtk_set_passphrase_grab (prefs_gpg_get_config()->passphrase_grab);
324 debug_print ("%% requesting passphrase for '%s'\n ", uid_hint);
325 pass = passphrase_mbox (uid_hint, passphrase_hint, prev_bad, FALSE);
326 gpgmegtk_free_passphrase();
328 debug_print ("%% cancel passphrase entry\n");
330 return GPG_ERR_CANCELED;
333 if (prefs_gpg_get_config()->store_passphrase) {
334 last_pass = g_strdup(pass);
335 #ifndef G_PLATFORM_WIN32
336 if (mlock(last_pass, strlen(last_pass)) == -1)
337 debug_print("%% locking passphrase failed\n");
339 if (prefs_gpg_get_config()->store_passphrase_timeout > 0) {
340 g_timeout_add(prefs_gpg_get_config()
341 ->store_passphrase_timeout*60*1000,
342 free_passphrase, NULL);
345 debug_print ("%% sending passphrase\n");
351 /* Under Windows FD is actually a System handle. */
353 WriteFile ((HANDLE)fd, pass, strlen (pass), &nwritten, NULL);
354 WriteFile ((HANDLE)fd, "\n", 1, &nwritten, NULL);
357 write(fd, pass, strlen(pass));
362 return GPG_ERR_NO_ERROR;
365 void gpgmegtk_free_passphrase()
367 (void)free_passphrase(NULL); /* could be inline */
370 #endif /* USE_GPGME */