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 extern struct GPGConfig prefs_gpg;
54 static int grab_all = 0;
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;
82 GtkWidget *pass_label;
83 GtkWidget *confirm_box;
85 GtkWidget *pass_entry;
87 GtkWidget *cancel_button;
90 window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
91 gtk_window_set_title(GTK_WINDOW(window), _("Passphrase"));
92 gtk_widget_set_size_request(window, 450, -1);
93 gtk_container_set_border_width(GTK_CONTAINER(window), 4);
94 gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
95 gtk_window_set_modal(GTK_WINDOW(window), TRUE);
96 gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
97 g_signal_connect(G_OBJECT(window), "delete_event",
98 G_CALLBACK(passphrase_deleted), NULL);
99 g_signal_connect(G_OBJECT(window), "key_press_event",
100 G_CALLBACK(passphrase_key_pressed), NULL);
101 MANAGE_WINDOW_SIGNALS_CONNECT(window);
102 manage_window_set_transient(GTK_WINDOW(window));
104 vbox = gtk_vbox_new(FALSE, 8);
105 gtk_container_add(GTK_CONTAINER(window), vbox);
109 label = create_description (desc);
110 gtk_box_pack_start (GTK_BOX(vbox), label, TRUE, TRUE, 0);
113 table = gtk_table_new(2, 2, FALSE);
114 gtk_box_pack_start(GTK_BOX(vbox), table, FALSE, FALSE, 0);
115 gtk_container_set_border_width(GTK_CONTAINER(table), 8);
116 gtk_table_set_row_spacings(GTK_TABLE(table), 12);
117 gtk_table_set_col_spacings(GTK_TABLE(table), 8);
120 pass_label = gtk_label_new("");
121 gtk_table_attach (GTK_TABLE(table), pass_label, 0, 1, 0, 1,
122 GTK_FILL, GTK_EXPAND|GTK_FILL, 0, 0);
123 gtk_misc_set_alignment (GTK_MISC (pass_label), 1, 0.5);
125 pass_entry = gtk_entry_new();
126 gtk_table_attach (GTK_TABLE(table), pass_entry, 1, 2, 0, 1,
127 GTK_EXPAND|GTK_SHRINK|GTK_FILL, 0, 0, 0);
128 gtk_entry_set_visibility (GTK_ENTRY(pass_entry), FALSE);
129 gtk_widget_grab_focus (pass_entry);
132 confirm_box = gtk_hbutton_box_new ();
133 gtk_button_box_set_layout (GTK_BUTTON_BOX(confirm_box), GTK_BUTTONBOX_END);
134 gtk_box_set_spacing (GTK_BOX(confirm_box), 5);
136 ok_button = gtk_button_new_with_label (_("OK"));
137 GTK_WIDGET_SET_FLAGS (ok_button, GTK_CAN_DEFAULT);
138 gtk_box_pack_start (GTK_BOX(confirm_box), ok_button, TRUE, TRUE, 0);
140 cancel_button = gtk_button_new_with_label (_("Cancel"));
141 GTK_WIDGET_SET_FLAGS (cancel_button, GTK_CAN_DEFAULT);
142 gtk_box_pack_start(GTK_BOX(confirm_box), cancel_button, TRUE, TRUE, 0);
144 gtk_box_pack_end(GTK_BOX(vbox), confirm_box, FALSE, FALSE, 0);
145 gtk_widget_grab_default (ok_button);
147 g_signal_connect(G_OBJECT(ok_button), "clicked",
148 G_CALLBACK(passphrase_ok_cb), NULL);
149 g_signal_connect(G_OBJECT(pass_entry), "activate",
150 G_CALLBACK(passphrase_ok_cb), NULL);
151 g_signal_connect(G_OBJECT(cancel_button), "clicked",
152 G_CALLBACK(passphrase_cancel_cb), NULL);
155 g_object_set (G_OBJECT(window), "type", GTK_WINDOW_POPUP, NULL);
156 gtk_window_set_position (GTK_WINDOW(window), GTK_WIN_POS_CENTER);
158 gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
160 gtk_widget_show_all(window);
162 /* don't use XIM on entering passphrase */
163 gtkut_editable_disable_im(GTK_EDITABLE(pass_entry));
166 #ifdef GDK_WINDOWING_X11
167 XGrabServer(GDK_DISPLAY());
168 #endif /* GDK_WINDOWING_X11 */
169 if ( grab_result = gdk_pointer_grab ( window->window, TRUE, 0,
170 NULL, NULL, GDK_CURRENT_TIME)) {
171 #ifdef GDK_WINDOWING_X11
172 XUngrabServer ( GDK_DISPLAY() );
173 #endif /* GDK_WINDOWING_X11 */
174 g_warning ("OOPS: Could not grab mouse (grab status %d)\n",
176 gtk_widget_destroy (window);
179 if ( grab_result = gdk_keyboard_grab( window->window, FALSE,
180 GDK_CURRENT_TIME )) {
181 gdk_pointer_ungrab (GDK_CURRENT_TIME);
182 #ifdef GDK_WINDOWING_X11
183 XUngrabServer ( GDK_DISPLAY() );
184 #endif /* GDK_WINDOWING_X11 */
185 g_warning ("OOPS: Could not grab keyboard (grab status %d)\n",
187 gtk_widget_destroy (window);
195 #ifdef GDK_WINDOWING_X11
196 XUngrabServer (GDK_DISPLAY());
197 #endif /* GDK_WINDOWING_X11 */
198 gdk_pointer_ungrab (GDK_CURRENT_TIME);
199 gdk_keyboard_ungrab (GDK_CURRENT_TIME);
203 manage_window_focus_out(window, NULL, NULL);
206 const gchar *entry_text = gtk_entry_get_text(GTK_ENTRY(pass_entry));
207 if (entry_text) /* Hmmm: Do we really need this? */
208 the_passphrase = g_strdup (entry_text);
210 gtk_widget_destroy (window);
212 return the_passphrase;
217 passphrase_ok_cb(GtkWidget *widget, gpointer data)
224 passphrase_cancel_cb(GtkWidget *widget, gpointer data)
232 passphrase_deleted(GtkWidget *widget, GdkEventAny *event, gpointer data)
234 passphrase_cancel_cb(NULL, NULL);
240 passphrase_key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
242 if (event && event->keyval == GDK_Escape)
243 passphrase_cancel_cb(NULL, NULL);
248 linelen (const gchar *s)
252 for (i = 0; *s && *s != '\n'; s++, i++)
259 create_description (const gchar *desc)
261 const gchar *cmd = NULL, *uid = NULL, *info = NULL;
266 uid = strchr (cmd, '\n');
268 info = strchr (++uid, '\n');
274 uid = _("[no user id]");
278 buf = g_strdup_printf (_("%sPlease enter the passphrase for:\n\n"
281 !strncmp (cmd, "TRY_AGAIN", 9 ) ?
282 _("Bad passphrase! Try again...\n\n") : "",
283 linelen (uid), uid, linelen (info), info);
285 label = gtk_label_new (buf);
291 static int free_passphrase(gpointer _unused)
293 if (last_pass != NULL) {
294 munlock(last_pass, strlen(last_pass));
297 debug_print("%% passphrase removed");
304 gpgmegtk_passphrase_cb (void *opaque, const char *desc, void **r_hd)
306 struct passphrase_cb_info_s *info = opaque;
307 GpgmeCtx ctx = info ? info->c : NULL;
311 /* FIXME: cleanup by looking at *r_hd */
314 if (prefs_gpg.store_passphrase && last_pass != NULL &&
315 strncmp(desc, "TRY_AGAIN", 9) != 0)
316 return g_strdup(last_pass);
318 gpgmegtk_set_passphrase_grab (prefs_gpg.passphrase_grab);
319 debug_print ("%% requesting passphrase for `%s': ", desc);
320 pass = passphrase_mbox (desc);
321 gpgmegtk_free_passphrase();
323 debug_print ("%% cancel passphrase entry");
327 if (prefs_gpg.store_passphrase) {
328 last_pass = g_strdup(pass);
329 if (mlock(last_pass, strlen(last_pass)) == -1)
330 debug_print("%% locking passphrase failed");
332 if (prefs_gpg.store_passphrase_timeout > 0) {
333 gtk_timeout_add(prefs_gpg.store_passphrase_timeout*60*1000,
334 free_passphrase, NULL);
337 debug_print ("%% sending passphrase");
343 void gpgmegtk_free_passphrase(void)
345 (void)free_passphrase(NULL); /* could be inline */
348 #endif /* USE_GPGME */