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Current Path: /usr/src/crypto/openssh/contrib

usr / src / crypto / openssh / contrib /

📁 ..
📄 Makefile(696 B)
📄 README(1.73 KB)
📁 aix
📁 cygwin
📄 findssl.sh(4.68 KB)
📄 gnome-ssh-askpass1.c(5.34 KB)
📄 gnome-ssh-askpass2.c(6.37 KB)
📁 hpux
📁 redhat
📁 solaris
📄 ssh-copy-id(10.41 KB)
📄 ssh-copy-id.1(6.4 KB)
📄 sshd.pam.freebsd(183 B)
📄 sshd.pam.generic(410 B)
📁 suse

Editing: gnome-ssh-askpass1.c

/*
 * Copyright (c) 2000-2002 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.
 */

/*
 * This is a simple GNOME SSH passphrase grabber. To use it, set the
 * environment variable SSH_ASKPASS to point to the location of
 * gnome-ssh-askpass before calling "ssh-add < /dev/null".
 *
 * There is only two run-time options: if you set the environment variable
 * "GNOME_SSH_ASKPASS_GRAB_SERVER=true" then gnome-ssh-askpass will grab
 * the X server. If you set "GNOME_SSH_ASKPASS_GRAB_POINTER=true", then the
 * pointer will be grabbed too. These may have some benefit to security if
 * you don't trust your X server. We grab the keyboard always.
 */

/*
 * Compile with:
 *
 * cc `gnome-config --cflags gnome gnomeui` \
 *    gnome-ssh-askpass1.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));
}

int
passphrase_dialog(char *message)
{
	char *passphrase;
	char **messages;
	int result, i, grab_server, grab_pointer;
	GtkWidget *dialog, *entry, *label;

grab_server = (getenv("GNOME_SSH_ASKPASS_GRAB_SERVER") != NULL);
	grab_pointer = (getenv("GNOME_SSH_ASKPASS_GRAB_POINTER") != NULL);

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 */
	if (grab_server)
		XGrabServer(GDK_DISPLAY());
	if (grab_pointer && 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 */
	if (grab_server)
		XUngrabServer(GDK_DISPLAY());
	if (grab_pointer)
		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 (result == 0 ? 0 : -1);

/* 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:
	if (grab_server)
		XUngrabServer(GDK_DISPLAY());
	gnome_dialog_close(GNOME_DIALOG(dialog));
	
	report_failed_grab();
	return (-1);
}

int
main(int argc, char **argv)
{
	char *message;
	int result;

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);
	result = passphrase_dialog(message);

return (result);
}

003 File Manager

Editing: gnome-ssh-askpass1.c

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