--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/securitysettings/cpwlansecurityuiplugins/cpwepui/src/wepkeyvalidator.cpp Fri May 14 15:54:13 2010 +0300
@@ -0,0 +1,147 @@
+/*
+ * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+ * All rights reserved.
+ * This component and the accompanying materials are made available
+ * under the terms of the License "Eclipse Public License v1.0"
+ * which accompanies this distribution, and is available
+ * at the URL "http://www.eclipse.org/legal/epl-v10.html".
+ *
+ * Initial Contributors:
+ * Nokia Corporation - initial contribution.
+ *
+ * Contributors:
+ *
+ * Description:
+ * Validation methods for WEP keys
+ *
+ */
+
+/*
+ * %version: 1 %
+ */
+
+#include <QString>
+#include <QDebug>
+#include "wepkeyvalidator.h"
+
+/*!
+ \class WepKeyValidator wepkeyvalidator.cpp
+ \brief Utilities for WEP key validations.
+
+*/
+/*!
+ \enum WepKeyValidator::KeyStatus
+ This enum defines the validation results.
+
+ \var WepKeyValidator::KeyStatusOk
+ Key is valid.
+
+ \var WepKeyValidator::KeyStatusIllegalCharacters
+ Key contains illegal characters.
+
+ \var WepKeyValidator::KeyStatusWepInvalidLength
+ WEP key length is not valid. Valid keys are
+ - hex: 10 or 26 characters
+ - ascii: 5 or 13 characters. See WlanWizardUtils::validateWpaKey().
+*/
+
+
+/*!
+ * Process WEP key validation. Following keys are allowed:
+ *
+ * HEX:
+ * - 64 bit: allowed key length = 10
+ * - 128 bit: allowed key length = 26
+ *
+ * ASCII:
+ * - 64 bit: allowed key length = 5
+ * - 128 bit: allowed key length = 13
+ *
+ * @param key WEP Key to be validated
+ *
+ * @return Following values are possible
+ * - KeyStatusOk
+ * - KeyStatusIllegalCharacters
+ * - KeyStatusWepInvalidLength
+ */
+WepKeyValidator::KeyStatus WepKeyValidator::validateWepKey(const QString &key)
+{
+ int length = key.length();
+ KeyStatus ret = KeyStatusOk;
+ // HEX
+ if (length == WepHex64BitMaxLength || length == WepHex128BitMaxLength) {
+ ret = isHex(key);
+ }
+ // ASCII
+ else if (length == WepAscii64BitMaxLength || length == WepAscii128BitMaxLength) {
+ ret = isAscii(key);
+ }
+
+ else if (length == WepKeyEmptyString) {
+ ret = KeyStatusOk ;
+ }
+
+ else {
+ ret = KeyStatusWepInvalidLength;
+ }
+
+ return ret;
+}
+
+/*!
+ * Process Ascii validation. Allowed characters are from 32 to 126.
+ *
+ * @param key to be validated.
+ *
+ * @return Following values are possible
+ * - KeyStatusOk
+ * - KeyStatusIllegalCharacters
+ */
+WepKeyValidator::KeyStatus WepKeyValidator::isAscii(const QString &key)
+{
+ QChar ch32(32);
+ QChar ch126(126);
+
+ const QChar *data = key.data();
+ while (!data->isNull()) {
+ if ((*data) < ch32 || (*data) > ch126) {
+ return KeyStatusIllegalCharacters;
+ }
+ ++data;
+ }
+ return KeyStatusOk;
+}
+
+/*!
+ * Process Hex validation. Allowed characters are
+ * - from 0 to 9
+ * - from a to f
+ * - from A to F
+ *
+ * @param key to be validated.
+ *
+ * @return Following values are possible
+ * - KeyStatusOk
+ * - KeyStatusIllegalCharacters
+ */
+WepKeyValidator::KeyStatus WepKeyValidator::isHex(const QString &key)
+{
+ QChar ch_A(65); // Character: A
+ QChar ch_F(70); // Character: F
+ QChar ch_a(97); // Character: a
+ QChar ch_f(102);// Character: f
+
+
+ const QChar *data = key.data();
+ while (!data->isNull()) {
+ if (data->isDigit() ||
+ (*data) >= ch_a && (*data) <= ch_f ||
+ (*data) >= ch_A && (*data) <= ch_F) {
+ ++data;
+ }
+ else {
+ return KeyStatusIllegalCharacters;
+ }
+ }
+ return KeyStatusOk;
+}