networkconfig.cpp

IEEE802.11 a/b/g 客户端应用程序源代码

	wep1Edit->setEnabled(enabled);
	wep2Edit->setEnabled(enabled);
	wep3Edit->setEnabled(enabled);
	wep0Radio->setEnabled(enabled);
	wep1Radio->setEnabled(enabled);
	wep2Radio->setEnabled(enabled);
	wep3Radio->setEnabled(enabled);
}


void NetworkConfig::writeWepKey(int network_id, QLineEdit *edit, int id)
{
	char buf[10];
	bool hex;
	const char *txt, *pos;
	size_t len;

	if (!edit->isEnabled() || edit->text().isEmpty())
		return;

	/*
	 * Assume hex key if only hex characters are present and length matches
	 * with 40, 104, or 128-bit key
	 */
	txt = edit->text().toAscii().constData();
	if (strcmp(txt, WPA_GUI_KEY_DATA) == 0)
		return;
	len = strlen(txt);
	if (len == 0)
		return;
	pos = txt;
	hex = true;
	while (*pos) {
		if (!((*pos >= '0' && *pos <= '9') ||
		      (*pos >= 'a' && *pos <= 'f') ||
		      (*pos >= 'A' && *pos <= 'F'))) {
			hex = false;
			break;
		}
		pos++;
	}
	if (hex && len != 10 && len != 26 && len != 32)
		hex = false;
	snprintf(buf, sizeof(buf), "wep_key%d", id);
	setNetworkParam(network_id, buf, txt, !hex);
}


static int key_value_isset(const char *reply, size_t reply_len)
{
    return reply_len > 0 && (reply_len < 4 || memcmp(reply, "FAIL", 4) != 0);
}


void NetworkConfig::paramsFromConfig(int network_id)
{
	int i, res;

	edit_network_id = network_id;
	getEapCapa();

	char reply[1024], cmd[256], *pos;
	size_t reply_len;

	snprintf(cmd, sizeof(cmd), "GET_NETWORK %d ssid", network_id);
	reply_len = sizeof(reply) - 1;
	if (wpagui->ctrlRequest(cmd, reply, &reply_len) >= 0 &&
	    reply_len >= 2 && reply[0] == '"') {
		reply[reply_len] = '\0';
		pos = strchr(reply + 1, '"');
		if (pos)
			*pos = '\0';
		ssidEdit->setText(reply + 1);
	}

	snprintf(cmd, sizeof(cmd), "GET_NETWORK %d proto", network_id);
	reply_len = sizeof(reply) - 1;
	int wpa = 0;
	if (wpagui->ctrlRequest(cmd, reply, &reply_len) >= 0) {
		reply[reply_len] = '\0';
		if (strstr(reply, "RSN") || strstr(reply, "WPA2"))
			wpa = 2;
		else if (strstr(reply, "WPA"))
			wpa = 1;
	}

	int auth = AUTH_NONE, encr = 0;
	snprintf(cmd, sizeof(cmd), "GET_NETWORK %d key_mgmt", network_id);
	reply_len = sizeof(reply) - 1;
	if (wpagui->ctrlRequest(cmd, reply, &reply_len) >= 0) {
		reply[reply_len] = '\0';
		if (strstr(reply, "WPA-EAP"))
			auth = wpa & 2 ? AUTH_WPA2_EAP : AUTH_WPA_EAP;
		else if (strstr(reply, "WPA-PSK"))
			auth = wpa & 2 ? AUTH_WPA2_PSK : AUTH_WPA_PSK;
		else if (strstr(reply, "IEEE8021X")) {
			auth = AUTH_IEEE8021X;
			encr = 1;
		}
	}

	snprintf(cmd, sizeof(cmd), "GET_NETWORK %d pairwise", network_id);
	reply_len = sizeof(reply) - 1;
	if (wpagui->ctrlRequest(cmd, reply, &reply_len) >= 0) {
		reply[reply_len] = '\0';
		if (strstr(reply, "CCMP") && auth != AUTH_NONE)
			encr = 1;
		else if (strstr(reply, "TKIP"))
			encr = 0;
		else if (strstr(reply, "WEP"))
			encr = 1;
		else
			encr = 0;
	}

	snprintf(cmd, sizeof(cmd), "GET_NETWORK %d psk", network_id);
	reply_len = sizeof(reply) - 1;
	res = wpagui->ctrlRequest(cmd, reply, &reply_len);
	if (res >= 0 && reply_len >= 2 && reply[0] == '"') {
		reply[reply_len] = '\0';
		pos = strchr(reply + 1, '"');
		if (pos)
			*pos = '\0';
		pskEdit->setText(reply + 1);
	} else if (res >= 0 && key_value_isset(reply, reply_len)) {
		pskEdit->setText(WPA_GUI_KEY_DATA);
	}

	snprintf(cmd, sizeof(cmd), "GET_NETWORK %d identity", network_id);
	reply_len = sizeof(reply) - 1;
	if (wpagui->ctrlRequest(cmd, reply, &reply_len) >= 0 &&
	    reply_len >= 2 && reply[0] == '"') {
		reply[reply_len] = '\0';
		pos = strchr(reply + 1, '"');
		if (pos)
			*pos = '\0';
		identityEdit->setText(reply + 1);
	}

	snprintf(cmd, sizeof(cmd), "GET_NETWORK %d password", network_id);
	reply_len = sizeof(reply) - 1;
	res = wpagui->ctrlRequest(cmd, reply, &reply_len);
	if (res >= 0 && reply_len >= 2 && reply[0] == '"') {
		reply[reply_len] = '\0';
		pos = strchr(reply + 1, '"');
		if (pos)
			*pos = '\0';
		passwordEdit->setText(reply + 1);
	} else if (res >= 0 && key_value_isset(reply, reply_len)) {
		passwordEdit->setText(WPA_GUI_KEY_DATA);
	}

	snprintf(cmd, sizeof(cmd), "GET_NETWORK %d ca_cert", network_id);
	reply_len = sizeof(reply) - 1;
	if (wpagui->ctrlRequest(cmd, reply, &reply_len) >= 0 &&
	    reply_len >= 2 && reply[0] == '"') {
		reply[reply_len] = '\0';
		pos = strchr(reply + 1, '"');
		if (pos)
			*pos = '\0';
		cacertEdit->setText(reply + 1);
	}

	snprintf(cmd, sizeof(cmd), "GET_NETWORK %d eap", network_id);
	reply_len = sizeof(reply) - 1;
	if (wpagui->ctrlRequest(cmd, reply, &reply_len) >= 0 &&
	    reply_len >= 1) {
		reply[reply_len] = '\0';
		for (i = 0; i < eapSelect->count(); i++) {
			if (eapSelect->itemText(i).compare(reply) == 0) {
				eapSelect->setCurrentIndex(i);
				break;
			}
		}
	}

	for (i = 0; i < 4; i++) {
		QLineEdit *wepEdit;
		switch (i) {
		default:
		case 0:
			wepEdit = wep0Edit;
			break;
		case 1:
			wepEdit = wep1Edit;
			break;
		case 2:
			wepEdit = wep2Edit;
			break;
		case 3:
			wepEdit = wep3Edit;
			break;
		}
		snprintf(cmd, sizeof(cmd), "GET_NETWORK %d wep_key%d",
			 network_id, i);
		reply_len = sizeof(reply) - 1;
		res = wpagui->ctrlRequest(cmd, reply, &reply_len);
		if (res >= 0 && reply_len >= 2 && reply[0] == '"') {
			reply[reply_len] = '\0';
			pos = strchr(reply + 1, '"');
			if (pos)
				*pos = '\0';
			if (auth == AUTH_NONE || auth == AUTH_IEEE8021X)
				encr = 1;

			wepEdit->setText(reply + 1);
		} else if (res >= 0 && key_value_isset(reply, reply_len)) {
			if (auth == AUTH_NONE || auth == AUTH_IEEE8021X)
				encr = 1;
			wepEdit->setText(WPA_GUI_KEY_DATA);
		}
	}

	snprintf(cmd, sizeof(cmd), "GET_NETWORK %d wep_tx_keyidx", network_id);
	reply_len = sizeof(reply) - 1;
	if (wpagui->ctrlRequest(cmd, reply, &reply_len) >= 0 && reply_len >= 1)
	{
		reply[reply_len] = '\0';
		switch (atoi(reply)) {
		case 0:
			wep0Radio->setChecked(true);
			break;
		case 1:
			wep1Radio->setChecked(true);
			break;
		case 2:
			wep2Radio->setChecked(true);
			break;
		case 3:
			wep3Radio->setChecked(true);
			break;
		}
	}

	snprintf(cmd, sizeof(cmd), "GET_NETWORK %d id_str", network_id);
	reply_len = sizeof(reply) - 1;
	if (wpagui->ctrlRequest(cmd, reply, &reply_len) >= 0 &&
	    reply_len >= 2 && reply[0] == '"') {
		reply[reply_len] = '\0';
		pos = strchr(reply + 1, '"');
		if (pos)
			*pos = '\0';
		idstrEdit->setText(reply + 1);
	}

	snprintf(cmd, sizeof(cmd), "GET_NETWORK %d priority", network_id);
	reply_len = sizeof(reply) - 1;
	if (wpagui->ctrlRequest(cmd, reply, &reply_len) >= 0 && reply_len >= 1)
	{
		reply[reply_len] = '\0';
		prioritySpinBox->setValue(atoi(reply));
	}

	authSelect->setCurrentIndex(auth);
	authChanged(auth);
	encrSelect->setCurrentIndex(encr);
	if (auth == AUTH_NONE || auth == AUTH_IEEE8021X)
		wepEnabled(encr == 1);

	removeButton->setEnabled(true);
	addButton->setText("Save");
}


void NetworkConfig::removeNetwork()
{
	char reply[10], cmd[256];
	size_t reply_len;

	if (QMessageBox::information(this, "wpa_gui",
				     "This will permanently remove the "
				     "network\n"
				     "from the configuration. Do you really "
				     "want\n"
				     "to remove this network?", "Yes", "No")
	    != 0)
		return;

	snprintf(cmd, sizeof(cmd), "REMOVE_NETWORK %d", edit_network_id);
	reply_len = sizeof(reply);
	wpagui->ctrlRequest(cmd, reply, &reply_len);
	if (strncmp(reply, "OK", 2) != 0) {
		QMessageBox::warning(this, "wpa_gui",
				     "Failed to remove network from "
				     "wpa_supplicant\n"
				     "configuration.");
	} else {
		wpagui->triggerUpdate();
		wpagui->ctrlRequest("SAVE_CONFIG", reply, &reply_len);
	}

	close();
}


void NetworkConfig::newNetwork()
{
	new_network = true;
	getEapCapa();
}


void NetworkConfig::getEapCapa()
{
	char reply[256];
	size_t reply_len;

	if (wpagui == NULL)
		return;

	reply_len = sizeof(reply) - 1;
	if (wpagui->ctrlRequest("GET_CAPABILITY eap", reply, &reply_len) < 0)
		return;
	reply[reply_len] = '\0';

	QString res(reply);
	QStringList types = res.split(QChar(' '));
	eapSelect->insertItems(-1, types);
}