2 * Copyright (c) 2000 Damien Miller. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 * cc `gnome-config --cflags gnome gnomeui` \
29 * gnome-ssh-askpass.c -o gnome-ssh-askpass \
30 * `gnome-config --libs gnome gnomeui`
42 report_failed_grab (void)
46 err = gnome_message_box_new("Could not grab keyboard or mouse.\n"
47 "A malicious client may be eavesdropping on your session.",
48 GNOME_MESSAGE_BOX_ERROR, "EXIT", NULL);
49 gtk_window_set_position(GTK_WINDOW(err), GTK_WIN_POS_CENTER);
50 gtk_object_set(GTK_OBJECT(err), "type", GTK_WINDOW_POPUP, NULL);
52 gnome_dialog_run_and_close(GNOME_DIALOG(err));
56 passphrase_dialog(char *message)
62 GtkWidget *dialog, *entry, *label;
64 dialog = gnome_dialog_new("OpenSSH", GNOME_STOCK_BUTTON_OK,
65 GNOME_STOCK_BUTTON_CANCEL, NULL);
67 messages = g_strsplit(message, "\\n", 0);
69 for(i = 0; messages[i]; i++) {
70 label = gtk_label_new(messages[i]);
71 gtk_box_pack_start(GTK_BOX(GNOME_DIALOG(dialog)->vbox),
72 label, FALSE, FALSE, 0);
75 entry = gtk_entry_new();
76 gtk_box_pack_start(GTK_BOX(GNOME_DIALOG(dialog)->vbox), entry, FALSE,
78 gtk_entry_set_visibility(GTK_ENTRY(entry), FALSE);
79 gtk_widget_grab_focus(entry);
81 /* Center window and prepare for grab */
82 gtk_object_set(GTK_OBJECT(dialog), "type", GTK_WINDOW_POPUP, NULL);
83 gnome_dialog_set_default(GNOME_DIALOG(dialog), 0);
84 gtk_window_set_position (GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
85 gtk_window_set_policy(GTK_WINDOW(dialog), FALSE, FALSE, TRUE);
86 gnome_dialog_close_hides(GNOME_DIALOG(dialog), TRUE);
87 gtk_container_set_border_width(GTK_CONTAINER(GNOME_DIALOG(dialog)->vbox),
89 gtk_widget_show_all(dialog);
92 XGrabServer(GDK_DISPLAY());
93 if (gdk_pointer_grab(dialog->window, TRUE, 0, NULL, NULL,
96 if (gdk_keyboard_grab(dialog->window, FALSE, GDK_CURRENT_TIME))
99 /* Make <enter> close dialog */
100 gnome_dialog_editable_enters(GNOME_DIALOG(dialog), GTK_EDITABLE(entry));
103 result = gnome_dialog_run(GNOME_DIALOG(dialog));
106 XUngrabServer(GDK_DISPLAY());
107 gdk_pointer_ungrab(GDK_CURRENT_TIME);
108 gdk_keyboard_ungrab(GDK_CURRENT_TIME);
111 /* Report passphrase if user selected OK */
112 passphrase = gtk_entry_get_text(GTK_ENTRY(entry));
116 /* Zero passphrase in memory */
117 memset(passphrase, '\0', strlen(passphrase));
118 gtk_entry_set_text(GTK_ENTRY(entry), passphrase);
120 gnome_dialog_close(GNOME_DIALOG(dialog));
123 /* At least one grab failed - ungrab what we got, and report
124 the failure to the user. Note that XGrabServer() cannot
127 gdk_pointer_ungrab(GDK_CURRENT_TIME);
129 XUngrabServer(GDK_DISPLAY());
130 gnome_dialog_close(GNOME_DIALOG(dialog));
132 report_failed_grab();
136 main(int argc, char **argv)
140 gnome_init("GNOME ssh-askpass", "0.1", argc, argv);
145 message = "Enter your OpenSSH passphrase:";
147 setvbuf(stdout, 0, _IONBF, 0);
148 passphrase_dialog(message);