|
|
/*
|
|
|
* Copyright (c) 2003-2007 Andrea Luzzardi <scox@sig11.org>
|
|
|
*
|
|
|
* This file is part of the pam_usb project. pam_usb is free software;
|
|
|
* you can redistribute it and/or modify it under the terms of the GNU General
|
|
|
* Public License version 2, as published by the Free Software Foundation.
|
|
|
*
|
|
|
* pam_usb is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
|
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
|
|
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
|
|
|
* details.
|
|
|
*
|
|
|
* You should have received a copy of the GNU General Public License along with
|
|
|
* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
|
|
|
* Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
*/
|
|
|
|
|
|
#include <unistd.h>
|
|
|
#include <string.h>
|
|
|
#include <dbus/dbus.h>
|
|
|
#include <libhal-storage.h>
|
|
|
#include "conf.h"
|
|
|
#include "hal.h"
|
|
|
#include "log.h"
|
|
|
#include "pad.h"
|
|
|
#include "device.h"
|
|
|
|
|
|
static int pusb_device_connected(t_pusb_options *opts, LibHalContext *ctx)
|
|
|
{
|
|
|
char *udi = NULL;
|
|
|
|
|
|
log_debug("Searching for \"%s\" in the hardware database...\n",
|
|
|
opts->device.name);
|
|
|
udi = pusb_hal_find_item(ctx,
|
|
|
"storage.serial", opts->device.serial,
|
|
|
"storage.vendor", opts->device.vendor,
|
|
|
"info.product", opts->device.model,
|
|
|
NULL);
|
|
|
if (!udi)
|
|
|
{
|
|
|
/* Backward compatibility with older versions (0.4.1) */
|
|
|
udi = pusb_hal_find_item(ctx,
|
|
|
"usb_device.serial", opts->device.serial,
|
|
|
"usb_device.vendor", opts->device.vendor,
|
|
|
"info.product", opts->device.model,
|
|
|
NULL);
|
|
|
if (!udi)
|
|
|
{
|
|
|
log_error("Device \"%s\" is not connected.\n",
|
|
|
opts->device.name);
|
|
|
return (0);
|
|
|
}
|
|
|
log_error("Warning: The configuration file has been " \
|
|
|
"generated by an older version of pamusb-conf\n");
|
|
|
}
|
|
|
libhal_free_string(udi);
|
|
|
log_info("Device \"%s\" is connected (good).\n", opts->device.name);
|
|
|
return (1);
|
|
|
}
|
|
|
|
|
|
int pusb_device_check(t_pusb_options *opts,
|
|
|
const char *user)
|
|
|
{
|
|
|
DBusConnection *dbus = NULL;
|
|
|
LibHalContext *ctx = NULL;
|
|
|
int retval = 0;
|
|
|
|
|
|
log_debug("Connecting to HAL...\n");
|
|
|
if (!(dbus = pusb_hal_dbus_connect()))
|
|
|
return (0);
|
|
|
|
|
|
if (!(ctx = pusb_hal_init(dbus)))
|
|
|
{
|
|
|
pusb_hal_dbus_disconnect(dbus);
|
|
|
return (0);
|
|
|
}
|
|
|
|
|
|
if (!pusb_device_connected(opts, ctx))
|
|
|
{
|
|
|
pusb_hal_dbus_disconnect(dbus);
|
|
|
libhal_ctx_free(ctx);
|
|
|
return (0);
|
|
|
}
|
|
|
|
|
|
if (opts->one_time_pad)
|
|
|
{
|
|
|
log_info("Performing one time pad verification...\n");
|
|
|
retval = pusb_pad_check(opts, ctx, user);
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
log_debug("One time pad is disabled, no more verifications to do.\n");
|
|
|
retval = 1;
|
|
|
}
|
|
|
|
|
|
pusb_hal_dbus_disconnect(dbus);
|
|
|
libhal_ctx_free(ctx);
|
|
|
return (retval);
|
|
|
}
|