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 <sys/types.h>
29 #include <gdk/gdkkeysyms.h>
30 #include <gtk/gtkmain.h>
31 #include <gtk/gtkwidget.h>
32 #include <gtk/gtkwindow.h>
33 #include <gtk/gtkvbox.h>
34 #include <gtk/gtktable.h>
35 #include <gtk/gtklabel.h>
36 #include <gtk/gtkentry.h>
37 #include <gtk/gtkhbbox.h>
38 #include <gtk/gtkbutton.h>
39 #include <gtk/gtkfilesel.h>
40 #include <gtk/gtksignal.h>
41 #ifdef GDK_WINDOWING_X11
42 #include <gdk/gdkx.h> /* GDK_DISPLAY() */
43 #endif /* GDK_WINDOWING_X11 */
46 #include "passphrase.h"
47 #include "prefs_common.h"
48 #include "manage_window.h"
51 static int grab_all = 0;
53 static gboolean pass_ack;
54 static gchar *last_pass = NULL;
56 static void passphrase_ok_cb(GtkWidget *widget, gpointer data);
57 static void passphrase_cancel_cb(GtkWidget *widget, gpointer data);
58 static gint passphrase_deleted(GtkWidget *widget, GdkEventAny *event,
60 static gboolean passphrase_key_pressed(GtkWidget *widget, GdkEventKey *event,
62 static gchar* passphrase_mbox (const gchar *desc);
65 static GtkWidget *create_description (const gchar *desc);
68 gpgmegtk_set_passphrase_grab (gint yes)
74 passphrase_mbox (const gchar *desc)
76 gchar *the_passphrase = NULL;
79 GtkWidget *pass_label;
80 GtkWidget *confirm_box;
82 GtkWidget *pass_entry;
84 GtkWidget *cancel_button;
87 window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
88 gtk_window_set_title(GTK_WINDOW(window), _("Passphrase"));
89 gtk_widget_set_size_request(window, 450, -1);
90 gtk_container_set_border_width(GTK_CONTAINER(window), 4);
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);
106 label = create_description (desc);
107 gtk_box_pack_start (GTK_BOX(vbox), label, TRUE, TRUE, 0);
110 table = gtk_table_new(2, 2, FALSE);
111 gtk_box_pack_start(GTK_BOX(vbox), table, FALSE, FALSE, 0);
112 gtk_container_set_border_width(GTK_CONTAINER(table), 8);
113 gtk_table_set_row_spacings(GTK_TABLE(table), 12);
114 gtk_table_set_col_spacings(GTK_TABLE(table), 8);
117 pass_label = gtk_label_new("");
118 gtk_table_attach (GTK_TABLE(table), pass_label, 0, 1, 0, 1,
119 GTK_FILL, GTK_EXPAND|GTK_FILL, 0, 0);
120 gtk_misc_set_alignment (GTK_MISC (pass_label), 1, 0.5);
122 pass_entry = gtk_entry_new();
123 gtk_table_attach (GTK_TABLE(table), pass_entry, 1, 2, 0, 1,
124 GTK_EXPAND|GTK_SHRINK|GTK_FILL, 0, 0, 0);
125 gtk_entry_set_visibility (GTK_ENTRY(pass_entry), FALSE);
126 gtk_widget_grab_focus (pass_entry);
129 confirm_box = gtk_hbutton_box_new ();
130 gtk_button_box_set_layout (GTK_BUTTON_BOX(confirm_box), GTK_BUTTONBOX_END);
131 gtk_box_set_spacing (GTK_BOX(confirm_box), 5);
133 ok_button = gtk_button_new_with_label (_("OK"));
134 GTK_WIDGET_SET_FLAGS (ok_button, GTK_CAN_DEFAULT);
135 gtk_box_pack_start (GTK_BOX(confirm_box), ok_button, TRUE, TRUE, 0);
137 cancel_button = gtk_button_new_with_label (_("Cancel"));
138 GTK_WIDGET_SET_FLAGS (cancel_button, GTK_CAN_DEFAULT);
139 gtk_box_pack_start(GTK_BOX(confirm_box), cancel_button, TRUE, TRUE, 0);
141 gtk_box_pack_end(GTK_BOX(vbox), confirm_box, FALSE, FALSE, 0);
142 gtk_widget_grab_default (ok_button);
144 g_signal_connect(G_OBJECT(ok_button), "clicked",
145 G_CALLBACK(passphrase_ok_cb), NULL);
146 g_signal_connect(G_OBJECT(pass_entry), "activate",
147 G_CALLBACK(passphrase_ok_cb), NULL);
148 g_signal_connect(G_OBJECT(cancel_button), "clicked",
149 G_CALLBACK(passphrase_cancel_cb), NULL);
152 g_object_set (G_OBJECT(window), "type", GTK_WINDOW_POPUP, NULL);
153 gtk_window_set_position (GTK_WINDOW(window), GTK_WIN_POS_CENTER);
155 gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
157 gtk_widget_show_all(window);
159 /* don't use XIM on entering passphrase */
160 gtkut_editable_disable_im(GTK_EDITABLE(pass_entry));
163 #ifdef GDK_WINDOWING_X11
164 XGrabServer(GDK_DISPLAY());
165 #endif /* GDK_WINDOWING_X11 */
166 if ( grab_result = gdk_pointer_grab ( window->window, TRUE, 0,
167 NULL, NULL, GDK_CURRENT_TIME)) {
168 #ifdef GDK_WINDOWING_X11
169 XUngrabServer ( GDK_DISPLAY() );
170 #endif /* GDK_WINDOWING_X11 */
171 g_warning ("OOPS: Could not grab mouse (grab status %d)\n",
173 gtk_widget_destroy (window);
176 if ( grab_result = gdk_keyboard_grab( window->window, FALSE,
177 GDK_CURRENT_TIME )) {
178 gdk_pointer_ungrab (GDK_CURRENT_TIME);
179 #ifdef GDK_WINDOWING_X11
180 XUngrabServer ( GDK_DISPLAY() );
181 #endif /* GDK_WINDOWING_X11 */
182 g_warning ("OOPS: Could not grab keyboard (grab status %d)\n",
184 gtk_widget_destroy (window);
192 #ifdef GDK_WINDOWING_X11
193 XUngrabServer (GDK_DISPLAY());
194 #endif /* GDK_WINDOWING_X11 */
195 gdk_pointer_ungrab (GDK_CURRENT_TIME);
196 gdk_keyboard_ungrab (GDK_CURRENT_TIME);
200 manage_window_focus_out(window, NULL, NULL);
203 const gchar *entry_text = gtk_entry_get_text(GTK_ENTRY(pass_entry));
204 if (entry_text) /* Hmmm: Do we really need this? */
205 the_passphrase = g_strdup (entry_text);
207 gtk_widget_destroy (window);
209 return the_passphrase;
214 passphrase_ok_cb(GtkWidget *widget, gpointer data)
221 passphrase_cancel_cb(GtkWidget *widget, gpointer data)
229 passphrase_deleted(GtkWidget *widget, GdkEventAny *event, gpointer data)
231 passphrase_cancel_cb(NULL, NULL);
237 passphrase_key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
239 if (event && event->keyval == GDK_Escape)
240 passphrase_cancel_cb(NULL, NULL);
245 linelen (const gchar *s)
249 for (i = 0; *s && *s != '\n'; s++, i++)
256 create_description (const gchar *desc)
258 const gchar *cmd = NULL, *uid = NULL, *info = NULL;
263 uid = strchr (cmd, '\n');
265 info = strchr (++uid, '\n');
271 uid = _("[no user id]");
275 buf = g_strdup_printf (_("%sPlease enter the passphrase for:\n\n"
278 !strncmp (cmd, "TRY_AGAIN", 9 ) ?
279 _("Bad passphrase! Try again...\n\n") : "",
280 linelen (uid), uid, linelen (info), info);
282 label = gtk_label_new (buf);
288 static int free_passphrase(gpointer _unused)
290 if (last_pass != NULL) {
291 munlock(last_pass, strlen(last_pass));
294 debug_print("%% passphrase removed");
301 gpgmegtk_passphrase_cb (void *opaque, const char *desc, void **r_hd)
303 struct passphrase_cb_info_s *info = opaque;
304 GpgmeCtx ctx = info ? info->c : NULL;
308 /* FIXME: cleanup by looking at *r_hd */
311 if (prefs_common.store_passphrase && last_pass != NULL &&
312 strncmp(desc, "TRY_AGAIN", 9) != 0)
313 return g_strdup(last_pass);
315 gpgmegtk_set_passphrase_grab (prefs_common.passphrase_grab);
316 debug_print ("%% requesting passphrase for `%s': ", desc);
317 pass = passphrase_mbox (desc);
318 gpgmegtk_free_passphrase();
320 debug_print ("%% cancel passphrase entry");
324 if (prefs_common.store_passphrase) {
325 last_pass = g_strdup(pass);
326 if (mlock(last_pass, strlen(last_pass)) == -1)
327 debug_print("%% locking passphrase failed");
329 if (prefs_common.store_passphrase_timeout > 0) {
330 gtk_timeout_add(prefs_common.store_passphrase_timeout*60*1000,
331 free_passphrase, NULL);
334 debug_print ("%% sending passphrase");
340 void gpgmegtk_free_passphrase(void)
342 (void)free_passphrase(NULL); /* could be inline */
345 #endif /* USE_GPGME */