mirror of
https://git.kernel.org/pub/scm/network/wireless/iwd.git
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150 lines
3.1 KiB
C
150 lines
3.1 KiB
C
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/*
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*
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* Wireless daemon for Linux
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*
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* Copyright (C) 2013-2015 Intel Corporation. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <sys/types.h>
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#include <ell/ell.h>
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#include "src/network.h"
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#include "src/storage.h"
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#include "src/scan.h"
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struct network_info {
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char ssid[33];
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uint32_t type;
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struct timespec connected_time; /* Time last connected */
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};
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static struct l_queue *networks = NULL;
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static int timespec_compare(const void *a, const void *b, void *user_data)
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{
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const struct network_info *ni_a = a;
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const struct network_info *ni_b = b;
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const struct timespec *tsa = &ni_a->connected_time;
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const struct timespec *tsb = &ni_b->connected_time;
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if (tsa->tv_sec > tsb->tv_sec)
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return -1;
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if (tsa->tv_sec < tsb->tv_sec)
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return 1;
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if (tsa->tv_nsec > tsb->tv_nsec)
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return -1;
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if (tsa->tv_nsec < tsb->tv_nsec)
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return -1;
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return 0;
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}
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static bool network_info_match(const void *a, const void *b)
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{
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const struct network_info *ni_a = a;
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const struct network_info *ni_b = b;
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if (ni_a->type != ni_b->type)
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return false;
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if (strcmp(ni_a->ssid, ni_b->ssid))
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return false;
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return true;
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}
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bool network_seen(uint32_t type, const char *ssid)
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{
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struct timespec mtim;
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int err;
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struct network_info *info;
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switch(type) {
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case SCAN_SSID_SECURITY_PSK:
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err = storage_network_get_mtime("psk", ssid, &mtim);
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break;
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default:
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return false;
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}
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if (err < 0)
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return false;
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info = l_new(struct network_info, 1);
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info->type = type;
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strncpy(info->ssid, ssid, 32);
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info->ssid[32] = 0;
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memcpy(&info->connected_time, &mtim, sizeof(struct timespec));
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l_queue_insert(networks, info, timespec_compare, NULL);
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return true;
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}
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bool network_connected(uint32_t type, const char *ssid)
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{
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int err;
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struct network_info *info;
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struct network_info search;
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search.type = type;
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strncpy(search.ssid, ssid, 32);
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search.ssid[32] = 0;
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info = l_queue_remove_if(networks, network_info_match, &search);
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if (!info)
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return false;
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switch(type) {
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case SCAN_SSID_SECURITY_PSK:
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err = storage_network_get_mtime("psk", ssid,
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&info->connected_time);
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break;
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default:
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goto fail;
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}
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if (err < 0)
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goto fail;
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l_queue_push_head(networks, info);
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return true;
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fail:
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l_free(info);
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return false;
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}
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void network_init()
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{
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networks = l_queue_new();
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}
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void network_exit()
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{
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l_queue_destroy(networks, l_free);
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}
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