genode/repos/dde_linux/src/lib/wpa_supplicant/reporter.cc

122 lines
3.2 KiB
C++

/*
* \brief WPA Supplicant frontend
* \author Josef Soentgen
* \date 2014-12-08
*/
/*
* Copyright (C) 2014 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
/* Genode includes */
#include <base/printf.h>
#include <os/attached_rom_dataspace.h>
#include <os/reporter.h>
#include <util/string.h>
/* WPA Supplicant includes */
extern "C" {
#include "includes.h"
#include "common.h"
#include "drivers/driver.h"
#include "wpa_supplicant_i.h"
#include "bss.h"
#include "scan.h"
#include "common/ieee802_11_defs.h"
}
static Genode::Reporter accesspoints_reporter = { "wlan_accesspoints" };
static Genode::Reporter state_reporter = { "wlan_state" };
enum { SSID_MAX_LEN = 32 + 1, MAC_STR_LEN = 6*2 + 5 + 1};
static inline void mac2str(char *buf, u8 const *mac)
{
Genode::snprintf(buf, MAC_STR_LEN, "%02x:%02x:%02x:%02x:%02x:%02x",
mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
}
extern "C" void wpa_report_connect_event(struct wpa_ssid *wpa_ssid)
{
state_reporter.enabled(true);
try {
Genode::Reporter::Xml_generator xml(state_reporter, [&]() {
/* FIXME ssid may contain any characters, even NUL */
Genode::String<SSID_MAX_LEN> ssid((char const*)wpa_ssid->ssid, wpa_ssid->ssid_len);
char bssid_buf[MAC_STR_LEN];
mac2str(bssid_buf, wpa_ssid->bssid);
xml.node("accesspoint", [&]() {
xml.attribute("ssid", ssid.string());
xml.attribute("bssid", bssid_buf);
xml.attribute("state", "connected");
});
});
} catch (...) { PWRN("could not report connected state"); }
}
extern "C" void wpa_report_disconnect_event(struct wpa_supplicant *wpa_s)
{
state_reporter.enabled(true);
try {
Genode::Reporter::Xml_generator xml(state_reporter, [&]() {
struct wpa_ssid *wpa_ssid = wpa_s->current_ssid;
/* FIXME ssid may contain any characters, even NUL */
Genode::String<SSID_MAX_LEN> ssid((char const*)wpa_ssid->ssid, wpa_ssid->ssid_len);
char bssid_buf[MAC_STR_LEN];
mac2str(bssid_buf, wpa_ssid->bssid);
xml.node("accesspoint", [&]() {
xml.attribute("ssid", ssid.string());
xml.attribute("bssid", bssid_buf);
xml.attribute("state", "disconnected");
});
});
} catch (...) { PWRN("could not report disconnected state"); }
}
extern "C" void wpa_report_scan_results(struct wpa_supplicant *wpa_s)
{
accesspoints_reporter.enabled(true);
try {
Genode::Reporter::Xml_generator xml(accesspoints_reporter, [&]() {
for (unsigned i = 0; i < wpa_s->last_scan_res_used; i++) {
struct wpa_bss *bss = wpa_s->last_scan_res[i];
bool wpa = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE) != NULL;
bool wpa2 = wpa_bss_get_ie(bss, WLAN_EID_RSN) != NULL;
char bssid_buf[MAC_STR_LEN];
mac2str(bssid_buf, bss->bssid);
Genode::String<SSID_MAX_LEN> ssid((char const*)bss->ssid, bss->ssid_len);
xml.node("accesspoint", [&]() {
xml.attribute("ssid", ssid.string());
xml.attribute("bssid", bssid_buf);
/* XXX we forcefully only support WPA/WPA2 psk for now */
if (wpa || wpa2)
xml.attribute("protection", "WPA-PSK");
});
}
});
} catch (...) { PWRN("could not report scan results"); }
}