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"
50 #include "prefs_gpg.h"
52 static int grab_all = 0;
54 static gboolean pass_ack;
55 static gchar *last_pass = NULL;
57 static void passphrase_ok_cb(GtkWidget *widget, gpointer data);
58 static void passphrase_cancel_cb(GtkWidget *widget, gpointer data);
59 static gint passphrase_deleted(GtkWidget *widget, GdkEventAny *event,
61 static gboolean passphrase_key_pressed(GtkWidget *widget, GdkEventKey *event,
63 static gchar* passphrase_mbox (const gchar *desc);
66 static GtkWidget *create_description (const gchar *desc);
69 gpgmegtk_set_passphrase_grab (gint yes)
75 passphrase_mbox (const gchar *desc)
77 gchar *the_passphrase = NULL;
80 GtkWidget *pass_label;
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_container_set_border_width(GTK_CONTAINER(window), 4);
92 gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
93 gtk_window_set_modal(GTK_WINDOW(window), TRUE);
94 gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
95 g_signal_connect(G_OBJECT(window), "delete_event",
96 G_CALLBACK(passphrase_deleted), NULL);
97 g_signal_connect(G_OBJECT(window), "key_press_event",
98 G_CALLBACK(passphrase_key_pressed), NULL);
99 MANAGE_WINDOW_SIGNALS_CONNECT(window);
100 manage_window_set_transient(GTK_WINDOW(window));
102 vbox = gtk_vbox_new(FALSE, 8);
103 gtk_container_add(GTK_CONTAINER(window), vbox);
107 label = create_description (desc);
108 gtk_box_pack_start (GTK_BOX(vbox), label, TRUE, TRUE, 0);
111 table = gtk_table_new(2, 2, FALSE);
112 gtk_box_pack_start(GTK_BOX(vbox), table, FALSE, FALSE, 0);
113 gtk_container_set_border_width(GTK_CONTAINER(table), 8);
114 gtk_table_set_row_spacings(GTK_TABLE(table), 12);
115 gtk_table_set_col_spacings(GTK_TABLE(table), 8);
118 pass_label = gtk_label_new("");
119 gtk_table_attach (GTK_TABLE(table), pass_label, 0, 1, 0, 1,
120 GTK_FILL, GTK_EXPAND|GTK_FILL, 0, 0);
121 gtk_misc_set_alignment (GTK_MISC (pass_label), 1, 0.5);
123 pass_entry = gtk_entry_new();
124 gtk_table_attach (GTK_TABLE(table), pass_entry, 1, 2, 0, 1,
125 GTK_EXPAND|GTK_SHRINK|GTK_FILL, 0, 0, 0);
126 gtk_entry_set_visibility (GTK_ENTRY(pass_entry), FALSE);
127 gtk_widget_grab_focus (pass_entry);
130 confirm_box = gtk_hbutton_box_new ();
131 gtk_button_box_set_layout (GTK_BUTTON_BOX(confirm_box), GTK_BUTTONBOX_END);
132 gtk_box_set_spacing (GTK_BOX(confirm_box), 5);
134 ok_button = gtk_button_new_with_label (_("OK"));
135 GTK_WIDGET_SET_FLAGS (ok_button, GTK_CAN_DEFAULT);
136 gtk_box_pack_start (GTK_BOX(confirm_box), ok_button, TRUE, TRUE, 0);
138 cancel_button = gtk_button_new_with_label (_("Cancel"));
139 GTK_WIDGET_SET_FLAGS (cancel_button, GTK_CAN_DEFAULT);
140 gtk_box_pack_start(GTK_BOX(confirm_box), cancel_button, TRUE, TRUE, 0);
142 gtk_box_pack_end(GTK_BOX(vbox), confirm_box, FALSE, FALSE, 0);
143 gtk_widget_grab_default (ok_button);
145 g_signal_connect(G_OBJECT(ok_button), "clicked",
146 G_CALLBACK(passphrase_ok_cb), NULL);
147 g_signal_connect(G_OBJECT(pass_entry), "activate",
148 G_CALLBACK(passphrase_ok_cb), NULL);
149 g_signal_connect(G_OBJECT(cancel_button), "clicked",
150 G_CALLBACK(passphrase_cancel_cb), NULL);
153 g_object_set (G_OBJECT(window), "type", GTK_WINDOW_POPUP, NULL);
154 gtk_window_set_position (GTK_WINDOW(window), GTK_WIN_POS_CENTER);
156 gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
158 gtk_widget_show_all(window);
160 /* don't use XIM on entering passphrase */
161 gtkut_editable_disable_im(GTK_EDITABLE(pass_entry));
164 #ifdef GDK_WINDOWING_X11
165 XGrabServer(GDK_DISPLAY());
166 #endif /* GDK_WINDOWING_X11 */
167 if ( grab_result = gdk_pointer_grab ( window->window, TRUE, 0,
168 NULL, NULL, GDK_CURRENT_TIME)) {
169 #ifdef GDK_WINDOWING_X11
170 XUngrabServer ( GDK_DISPLAY() );
171 #endif /* GDK_WINDOWING_X11 */
172 g_warning ("OOPS: Could not grab mouse (grab status %d)\n",
174 gtk_widget_destroy (window);
177 if ( grab_result = gdk_keyboard_grab( window->window, FALSE,
178 GDK_CURRENT_TIME )) {
179 gdk_pointer_ungrab (GDK_CURRENT_TIME);
180 #ifdef GDK_WINDOWING_X11
181 XUngrabServer ( GDK_DISPLAY() );
182 #endif /* GDK_WINDOWING_X11 */
183 g_warning ("OOPS: Could not grab keyboard (grab status %d)\n",
185 gtk_widget_destroy (window);
193 #ifdef GDK_WINDOWING_X11
194 XUngrabServer (GDK_DISPLAY());
195 #endif /* GDK_WINDOWING_X11 */
196 gdk_pointer_ungrab (GDK_CURRENT_TIME);
197 gdk_keyboard_ungrab (GDK_CURRENT_TIME);
201 manage_window_focus_out(window, NULL, NULL);
204 const gchar *entry_text = gtk_entry_get_text(GTK_ENTRY(pass_entry));
205 if (entry_text) /* Hmmm: Do we really need this? */
206 the_passphrase = g_strdup (entry_text);
208 gtk_widget_destroy (window);
210 return the_passphrase;
215 passphrase_ok_cb(GtkWidget *widget, gpointer data)
222 passphrase_cancel_cb(GtkWidget *widget, gpointer data)
230 passphrase_deleted(GtkWidget *widget, GdkEventAny *event, gpointer data)
232 passphrase_cancel_cb(NULL, NULL);
238 passphrase_key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
240 if (event && event->keyval == GDK_Escape)
241 passphrase_cancel_cb(NULL, NULL);
246 linelen (const gchar *s)
250 for (i = 0; *s && *s != '\n'; s++, i++)
257 create_description (const gchar *desc)
259 const gchar *cmd = NULL, *uid = NULL, *info = NULL;
264 uid = strchr (cmd, '\n');
266 info = strchr (++uid, '\n');
272 uid = _("[no user id]");
276 buf = g_strdup_printf (_("%sPlease enter the passphrase for:\n\n"
279 !strncmp (cmd, "TRY_AGAIN", 9 ) ?
280 _("Bad passphrase! Try again...\n\n") : "",
281 linelen (uid), uid, linelen (info), info);
283 label = gtk_label_new (buf);
289 static int free_passphrase(gpointer _unused)
291 if (last_pass != NULL) {
292 munlock(last_pass, strlen(last_pass));
295 debug_print("%% passphrase removed");
302 gpgmegtk_passphrase_cb (void *opaque, const char *desc, void **r_hd)
304 struct passphrase_cb_info_s *info = opaque;
305 GpgmeCtx ctx = info ? info->c : NULL;
309 /* FIXME: cleanup by looking at *r_hd */
312 if (prefs_gpg_get_config()->store_passphrase && last_pass != NULL &&
313 strncmp(desc, "TRY_AGAIN", 9) != 0)
314 return g_strdup(last_pass);
316 gpgmegtk_set_passphrase_grab (prefs_gpg_get_config()->passphrase_grab);
317 debug_print ("%% requesting passphrase for `%s': ", desc);
318 pass = passphrase_mbox (desc);
319 gpgmegtk_free_passphrase();
321 debug_print ("%% cancel passphrase entry");
325 if (prefs_gpg_get_config()->store_passphrase) {
326 last_pass = g_strdup(pass);
327 if (mlock(last_pass, strlen(last_pass)) == -1)
328 debug_print("%% locking passphrase failed");
330 if (prefs_gpg_get_config()->store_passphrase_timeout > 0) {
331 gtk_timeout_add(prefs_gpg_get_config()->store_passphrase_timeout*60*1000,
332 free_passphrase, NULL);
335 debug_print ("%% sending passphrase");
341 void gpgmegtk_free_passphrase(void)
343 (void)free_passphrase(NULL); /* could be inline */
346 #endif /* USE_GPGME */