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/*
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* Copyright (c) 2003-2007 Andrea Luzzardi <scox@sig11.org>
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*
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* This file is part of the pam_usb project. pam_usb is free software;
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* you can redistribute it and/or modify it under the terms of the GNU General
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* Public License version 2, as published by the Free Software Foundation.
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*
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* pam_usb is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
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* Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <udisks/udisks.h>
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#include "conf.h"
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#include "log.h"
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#include "pad.h"
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#include "device.h"
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static int pusb_device_connected(t_pusb_options *opts, UDisksClient *udisks)
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{
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GDBusObjectManager *manager = udisks_client_get_object_manager(udisks);
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GList *objects = g_dbus_object_manager_get_objects(manager);
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int retval = 0;
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int i;
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UDisksObject *object = NULL;
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UDisksDrive *drive = NULL;
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manager = udisks_client_get_object_manager(udisks);
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objects = g_dbus_object_manager_get_objects(manager);
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log_debug("Searching for \"%s\" in the hardware database...\n",
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opts->device.name);
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for (i = 0; i < g_list_length(objects); ++i)
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{
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object = UDISKS_OBJECT(g_list_nth(objects, i)->data);
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if (udisks_object_peek_drive(object))
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{
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drive = udisks_object_get_drive(object);
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retval = strcmp(udisks_drive_get_serial(drive), opts->device.serial) == 0 &&
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strcmp(udisks_drive_get_vendor(drive), opts->device.vendor) == 0 &&
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strcmp(udisks_drive_get_model(drive), opts->device.model) == 0;
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g_object_unref(drive);
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if (retval)
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break;
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}
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}
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if (retval)
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log_info("Authentication device \"%s\" is connected.\n",
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opts->device.name);
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else
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log_error("Authentication device \"%s\" is not connected.\n",
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opts->device.name);
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g_list_foreach (objects, (GFunc) g_object_unref, NULL);
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g_list_free (objects);
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return (retval);
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}
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int pusb_device_check(t_pusb_options *opts, const char *user)
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{
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UDisksClient *udisks = NULL;
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int retval = 0;
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udisks = udisks_client_new_sync(NULL, NULL);
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if (!pusb_device_connected(opts, udisks))
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{
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g_object_unref(udisks);
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return (0);
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}
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if (opts->one_time_pad)
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{
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log_info("Performing one time pad verification...\n");
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retval = pusb_pad_check(opts, udisks, user);
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}
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else
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{
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log_debug("One time pad is disabled, no more verifications to do.\n");
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retval = 1;
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}
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g_object_unref(udisks);
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return (retval);
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}
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