104775aa56
The 'connected_scan_interval' config attribute specifies the scan interval in seconds. The commit also removes the deprecated ram_fs component from the test run script.
111 lines
2.3 KiB
C
111 lines
2.3 KiB
C
/*
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* \brief WPA Supplicant frontend
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* \author Josef Soentgen
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* \date 2014-12-08
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*/
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/*
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* Copyright (C) 2014 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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/*
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* based on:
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*
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* WPA Supplicant / Example program entrypoint
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* Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
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*
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* This software may be distributed under the terms of the BSD license.
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* See README for more details.
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*/
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/* libc includes */
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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/* local includes */
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#include "includes.h"
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#include "common.h"
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#include "eloop.h"
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#include "wpa_supplicant_i.h"
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#include "driver_i.h"
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#include "scan.h"
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static char const *conf_file = "/config/wpa_supplicant.conf";
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static int connected_scan_interval;
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static void connected_scan_handler(void *eloop_ctx, void *user_ctx)
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{
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struct wpa_supplicant *wpa_s = (struct wpa_supplicant *)eloop_ctx;
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if (wpa_s->wpa_state >= WPA_ASSOCIATED)
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wpa_supplicant_req_scan(wpa_s, 0, 0);
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eloop_register_timeout(connected_scan_interval, 0, connected_scan_handler, wpa_s, 0);
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}
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int wpa_main(int debug_msg, int interval)
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{
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connected_scan_interval = interval;
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struct wpa_interface iface;
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int exitcode = 0;
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struct wpa_params params;
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struct wpa_global *global;
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memset(¶ms, 0, sizeof(params));
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params.wpa_debug_level = debug_msg ? MSG_DEBUG : MSG_INFO;
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global = wpa_supplicant_init(¶ms);
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if (global == NULL)
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return -1;
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memset(&iface, 0, sizeof(iface));
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iface.ifname = "wlan0";
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iface.confname = conf_file;
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if (wpa_supplicant_add_iface(global, &iface) == NULL)
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exitcode = -1;
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if (connected_scan_interval > 0)
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eloop_register_timeout(connected_scan_interval, 0,
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connected_scan_handler, global->ifaces, 0);
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if (exitcode == 0)
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exitcode = wpa_supplicant_run(global);
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wpa_supplicant_deinit(global);
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return exitcode;
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}
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void eloop_handle_signal(int);
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void wpa_conf_reload(void)
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{
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/* (ab)use POSIX signal to trigger reloading the conf file */
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eloop_handle_signal(SIGHUP);
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}
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int wpa_write_conf(char const *buffer, size_t len)
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{
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int fd = open(conf_file, O_CREAT|O_TRUNC|O_WRONLY);
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if (fd == -1)
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return -1;
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ssize_t n = write(fd, buffer, len);
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close(fd);
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return n > 0 ? 0 : -1;
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}
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