1 /* passphrase.c - GTK+ based passphrase callback
2 * Copyright (C) 2001 Werner Koch (dd9jn)
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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>
48 #include "passphrase.h"
49 #include "prefs_common.h"
50 #include "manage_window.h"
52 #include "prefs_gpg.h"
54 static gboolean grab_all = FALSE;
56 static gboolean pass_ack;
57 static gchar *last_pass = NULL;
59 static void passphrase_ok_cb(GtkWidget *widget, gpointer data);
60 static void passphrase_cancel_cb(GtkWidget *widget, gpointer data);
61 static gint passphrase_deleted(GtkWidget *widget, GdkEventAny *event,
63 static gboolean passphrase_key_pressed(GtkWidget *widget, GdkEventKey *event,
65 static gchar* passphrase_mbox (const gchar *desc);
68 static GtkWidget *create_description (const gchar *desc);
71 gpgmegtk_set_passphrase_grab(gint yes)
77 passphrase_mbox (const gchar *desc)
79 gchar *the_passphrase = NULL;
81 GtkWidget *confirm_box;
83 GtkWidget *pass_entry;
85 GtkWidget *cancel_button;
88 window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
89 gtk_window_set_title(GTK_WINDOW(window), _("Passphrase"));
90 gtk_widget_set_size_request(window, 450, -1);
91 gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
92 gtk_window_set_modal(GTK_WINDOW(window), TRUE);
93 gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
94 g_signal_connect(G_OBJECT(window), "delete_event",
95 G_CALLBACK(passphrase_deleted), NULL);
96 g_signal_connect(G_OBJECT(window), "key_press_event",
97 G_CALLBACK(passphrase_key_pressed), NULL);
98 MANAGE_WINDOW_SIGNALS_CONNECT(window);
99 manage_window_set_transient(GTK_WINDOW(window));
101 vbox = gtk_vbox_new(FALSE, 8);
102 gtk_container_add(GTK_CONTAINER(window), vbox);
103 gtk_container_set_border_width(GTK_CONTAINER(vbox), 8);
107 label = create_description (desc);
108 gtk_box_pack_start (GTK_BOX(vbox), label, FALSE, FALSE, 0);
111 pass_entry = gtk_entry_new();
112 gtk_box_pack_start(GTK_BOX(vbox), pass_entry, FALSE, FALSE, 0);
113 gtk_entry_set_visibility(GTK_ENTRY(pass_entry), FALSE);
114 gtk_widget_grab_focus(pass_entry);
116 gtkut_stock_button_set_create(&confirm_box, &ok_button, GTK_STOCK_OK,
117 &cancel_button, GTK_STOCK_CANCEL,
119 gtk_box_pack_end(GTK_BOX(vbox), confirm_box, FALSE, FALSE, 0);
120 gtk_widget_grab_default(ok_button);
122 g_signal_connect(G_OBJECT(ok_button), "clicked",
123 G_CALLBACK(passphrase_ok_cb), NULL);
124 g_signal_connect(G_OBJECT(pass_entry), "activate",
125 G_CALLBACK(passphrase_ok_cb), NULL);
126 g_signal_connect(G_OBJECT(cancel_button), "clicked",
127 G_CALLBACK(passphrase_cancel_cb), NULL);
129 gtk_window_set_position (GTK_WINDOW(window), GTK_WIN_POS_CENTER);
131 gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
133 gtk_widget_show_all(window);
136 /* make sure that window is viewable
137 * FIXME: this is still not enough */
138 gtk_widget_show_now(window);
140 #ifdef GDK_WINDOWING_X11
141 gdk_x11_display_grab(gdk_display_get_default());
142 #endif /* GDK_WINDOWING_X11 */
143 if (gdk_pointer_grab(window->window, TRUE, 0,
144 window->window, NULL, GDK_CURRENT_TIME)) {
145 #ifdef GDK_WINDOWING_X11
146 gdk_x11_display_ungrab(gdk_display_get_default());
147 #endif /* GDK_WINDOWING_X11 */
148 g_warning("OOPS: Could not grab mouse\n");
149 gtk_widget_destroy(window);
152 if (gdk_keyboard_grab(window->window, FALSE, GDK_CURRENT_TIME)) {
153 gdk_display_pointer_ungrab(gdk_display_get_default(),
155 #ifdef GDK_WINDOWING_X11
156 gdk_x11_display_ungrab(gdk_display_get_default());
157 #endif /* GDK_WINDOWING_X11 */
158 g_warning("OOPS: Could not grab keyboard\n");
159 gtk_widget_destroy(window);
167 gdk_display_keyboard_ungrab(gdk_display_get_default(),
169 gdk_display_pointer_ungrab(gdk_display_get_default(), GDK_CURRENT_TIME);
170 #ifdef GDK_WINDOWING_X11
171 gdk_x11_display_ungrab(gdk_display_get_default());
172 #endif /* GDK_WINDOWING_X11 */
176 manage_window_focus_out(window, NULL, NULL);
179 const gchar *entry_text = gtk_entry_get_text(GTK_ENTRY(pass_entry));
180 if (entry_text) /* Hmmm: Do we really need this? */
181 the_passphrase = g_strdup (entry_text);
183 gtk_widget_destroy (window);
185 return the_passphrase;
190 passphrase_ok_cb(GtkWidget *widget, gpointer data)
197 passphrase_cancel_cb(GtkWidget *widget, gpointer data)
205 passphrase_deleted(GtkWidget *widget, GdkEventAny *event, gpointer data)
207 passphrase_cancel_cb(NULL, NULL);
213 passphrase_key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
215 if (event && event->keyval == GDK_Escape)
216 passphrase_cancel_cb(NULL, NULL);
221 linelen (const gchar *s)
225 for (i = 0; *s && *s != '\n'; s++, i++)
232 create_description (const gchar *desc)
234 const gchar *cmd = NULL, *uid = NULL, *info = NULL;
239 uid = strchr (cmd, '\n');
241 info = strchr (++uid, '\n');
247 uid = _("[no user id]");
251 buf = g_strdup_printf (_("%sPlease enter the passphrase for:\n\n"
254 !strncmp (cmd, "TRY_AGAIN", 9 ) ?
255 _("Bad passphrase! Try again...\n\n") : "",
256 linelen (uid), uid, linelen (info), info);
258 label = gtk_label_new (buf);
259 gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_LEFT);
265 static int free_passphrase(gpointer _unused)
267 if (last_pass != NULL) {
268 munlock(last_pass, strlen(last_pass));
271 debug_print("%% passphrase removed");
278 gpgmegtk_passphrase_cb (void *opaque, const char *desc, void **r_hd)
280 struct passphrase_cb_info_s *info = opaque;
281 GpgmeCtx ctx = info ? info->c : NULL;
285 /* FIXME: cleanup by looking at *r_hd */
288 if (prefs_gpg_get_config()->store_passphrase && last_pass != NULL &&
289 strncmp(desc, "TRY_AGAIN", 9) != 0)
290 return g_strdup(last_pass);
292 gpgmegtk_set_passphrase_grab (prefs_gpg_get_config()->passphrase_grab);
293 debug_print ("%% requesting passphrase for `%s': ", desc);
294 pass = passphrase_mbox (desc);
295 gpgmegtk_free_passphrase();
297 debug_print ("%% cancel passphrase entry");
301 if (prefs_gpg_get_config()->store_passphrase) {
302 last_pass = g_strdup(pass);
303 if (mlock(last_pass, strlen(last_pass)) == -1)
304 debug_print("%% locking passphrase failed");
306 if (prefs_gpg_get_config()->store_passphrase_timeout > 0) {
307 gtk_timeout_add(prefs_gpg_get_config()->store_passphrase_timeout*60*1000,
308 free_passphrase, NULL);
311 debug_print ("%% sending passphrase");
317 void gpgmegtk_free_passphrase(void)
319 (void)free_passphrase(NULL); /* could be inline */
322 #endif /* USE_GPGME */