151 lines
4.5 KiB
C
151 lines
4.5 KiB
C
/*
|
|
* Copyright (c) 2000 Damien Miller. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
/*
|
|
* Compile with:
|
|
*
|
|
* cc `gnome-config --cflags gnome gnomeui` \
|
|
* gnome-ssh-askpass.c -o gnome-ssh-askpass \
|
|
* `gnome-config --libs gnome gnomeui`
|
|
*
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <gnome.h>
|
|
#include <X11/Xlib.h>
|
|
#include <gdk/gdkx.h>
|
|
|
|
void
|
|
report_failed_grab (void)
|
|
{
|
|
GtkWidget *err;
|
|
|
|
err = gnome_message_box_new("Could not grab keyboard or mouse.\n"
|
|
"A malicious client may be eavesdropping on your session.",
|
|
GNOME_MESSAGE_BOX_ERROR, "EXIT", NULL);
|
|
gtk_window_set_position(GTK_WINDOW(err), GTK_WIN_POS_CENTER);
|
|
gtk_object_set(GTK_OBJECT(err), "type", GTK_WINDOW_POPUP, NULL);
|
|
|
|
gnome_dialog_run_and_close(GNOME_DIALOG(err));
|
|
}
|
|
|
|
void
|
|
passphrase_dialog(char *message)
|
|
{
|
|
char *passphrase;
|
|
char **messages;
|
|
int result, i;
|
|
|
|
GtkWidget *dialog, *entry, *label;
|
|
|
|
dialog = gnome_dialog_new("OpenSSH", GNOME_STOCK_BUTTON_OK,
|
|
GNOME_STOCK_BUTTON_CANCEL, NULL);
|
|
|
|
messages = g_strsplit(message, "\\n", 0);
|
|
if (messages)
|
|
for(i = 0; messages[i]; i++) {
|
|
label = gtk_label_new(messages[i]);
|
|
gtk_box_pack_start(GTK_BOX(GNOME_DIALOG(dialog)->vbox),
|
|
label, FALSE, FALSE, 0);
|
|
}
|
|
|
|
entry = gtk_entry_new();
|
|
gtk_box_pack_start(GTK_BOX(GNOME_DIALOG(dialog)->vbox), entry, FALSE,
|
|
FALSE, 0);
|
|
gtk_entry_set_visibility(GTK_ENTRY(entry), FALSE);
|
|
gtk_widget_grab_focus(entry);
|
|
|
|
/* Center window and prepare for grab */
|
|
gtk_object_set(GTK_OBJECT(dialog), "type", GTK_WINDOW_POPUP, NULL);
|
|
gnome_dialog_set_default(GNOME_DIALOG(dialog), 0);
|
|
gtk_window_set_position (GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
|
|
gtk_window_set_policy(GTK_WINDOW(dialog), FALSE, FALSE, TRUE);
|
|
gnome_dialog_close_hides(GNOME_DIALOG(dialog), TRUE);
|
|
gtk_container_set_border_width(GTK_CONTAINER(GNOME_DIALOG(dialog)->vbox),
|
|
GNOME_PAD);
|
|
gtk_widget_show_all(dialog);
|
|
|
|
/* Grab focus */
|
|
XGrabServer(GDK_DISPLAY());
|
|
if (gdk_pointer_grab(dialog->window, TRUE, 0, NULL, NULL,
|
|
GDK_CURRENT_TIME))
|
|
goto nograb;
|
|
if (gdk_keyboard_grab(dialog->window, FALSE, GDK_CURRENT_TIME))
|
|
goto nograbkb;
|
|
|
|
/* Make <enter> close dialog */
|
|
gnome_dialog_editable_enters(GNOME_DIALOG(dialog), GTK_EDITABLE(entry));
|
|
|
|
/* Run dialog */
|
|
result = gnome_dialog_run(GNOME_DIALOG(dialog));
|
|
|
|
/* Ungrab */
|
|
XUngrabServer(GDK_DISPLAY());
|
|
gdk_pointer_ungrab(GDK_CURRENT_TIME);
|
|
gdk_keyboard_ungrab(GDK_CURRENT_TIME);
|
|
gdk_flush();
|
|
|
|
/* Report passphrase if user selected OK */
|
|
passphrase = gtk_entry_get_text(GTK_ENTRY(entry));
|
|
if (result == 0)
|
|
puts(passphrase);
|
|
|
|
/* Zero passphrase in memory */
|
|
memset(passphrase, '\0', strlen(passphrase));
|
|
gtk_entry_set_text(GTK_ENTRY(entry), passphrase);
|
|
|
|
gnome_dialog_close(GNOME_DIALOG(dialog));
|
|
return;
|
|
|
|
/* At least one grab failed - ungrab what we got, and report
|
|
the failure to the user. Note that XGrabServer() cannot
|
|
fail. */
|
|
nograbkb:
|
|
gdk_pointer_ungrab(GDK_CURRENT_TIME);
|
|
nograb:
|
|
XUngrabServer(GDK_DISPLAY());
|
|
gnome_dialog_close(GNOME_DIALOG(dialog));
|
|
|
|
report_failed_grab();
|
|
}
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
char *message;
|
|
|
|
gnome_init("GNOME ssh-askpass", "0.1", argc, argv);
|
|
|
|
if (argc == 2)
|
|
message = argv[1];
|
|
else
|
|
message = "Enter your OpenSSH passphrase:";
|
|
|
|
setvbuf(stdout, 0, _IONBF, 0);
|
|
passphrase_dialog(message);
|
|
return 0;
|
|
}
|