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/*
This file is part of the KDE libraries
SPDX-FileCopyrightText: 2011 Dawit Alemayehu <adawit@kde.org>
SPDX-License-Identifier: LGPL-2.0-or-later
*/
#include "httpauthenticationtest.h"
#include <QTest>
#include <QByteArray>
#include <QList>
#include <QtEndian>
#include <KConfig>
#define ENABLE_HTTP_AUTH_NONCE_SETTER
#include "httpauthentication.cpp"
// QT5 TODO QTEST_GUILESS_MAIN(HTTPAuthenticationTest)
QTEST_MAIN(HTTPAuthenticationTest)
static void parseAuthHeader(const QByteArray &header, QByteArray *bestOffer, QByteArray *scheme, QList<QByteArray> *result)
{
const QList<QByteArray> authHeaders = KAbstractHttpAuthentication::splitOffers(QList<QByteArray>{header});
QByteArray chosenHeader = KAbstractHttpAuthentication::bestOffer(authHeaders);
if (bestOffer) {
*bestOffer = chosenHeader;
}
if (!scheme && !result) {
return;
}
QByteArray authScheme;
const QList<QByteArray> parseResult = parseChallenge(chosenHeader, &authScheme);
if (scheme) {
*scheme = authScheme;
}
if (result) {
*result = parseResult;
}
}
static QByteArray hmacMD5(const QByteArray &data, const QByteArray &key)
{
QByteArray ipad(64, 0x36);
QByteArray opad(64, 0x5c);
Q_ASSERT(key.size() <= 64);
for (int i = qMin(key.size(), 64) - 1; i >= 0; i--) {
ipad.data()[i] ^= key[i];
opad.data()[i] ^= key[i];
}
QByteArray content(ipad + data);
QCryptographicHash md5(QCryptographicHash::Md5);
md5.addData(content);
content = opad + md5.result();
md5.reset();
md5.addData(content);
return md5.result();
}
static QByteArray QString2UnicodeLE(const QString &target)
{
QByteArray unicode(target.length() * 2, 0);
for (int i = 0; i < target.length(); i++) {
((quint16 *)unicode.data())[i] = qToLittleEndian(target[i].unicode());
}
return unicode;
}
void HTTPAuthenticationTest::testHeaderParsing_data()
{
QTest::addColumn<QByteArray>("header");
QTest::addColumn<QByteArray>("resultScheme");
QTest::addColumn<QByteArray>("resultValues");
// Tests cases from http://greenbytes.de/tech/tc/httpauth/
QTest::newRow("greenbytes-simplebasic") << QByteArray("Basic realm=\"foo\"") << QByteArray("Basic") << QByteArray("realm,foo");
QTest::newRow("greenbytes-simplebasictok") << QByteArray("Basic realm=foo") << QByteArray("Basic") << QByteArray("realm,foo");
QTest::newRow("greenbytes-simplebasiccomma") << QByteArray("Basic , realm=\"foo\"") << QByteArray("Basic") << QByteArray("realm,foo");
// there must be a space after the scheme
QTest::newRow("greenbytes-simplebasiccomma2") << QByteArray("Basic, realm=\"foo\"") << QByteArray() << QByteArray();
// we accept scheme without any parameters to maintain compatibility with too simple minded servers out there
QTest::newRow("greenbytes-simplebasicnorealm") << QByteArray("Basic") << QByteArray("Basic") << QByteArray();
QTest::newRow("greenbytes-simplebasicwsrealm") << QByteArray("Basic realm = \"foo\"") << QByteArray("Basic") << QByteArray("realm,foo");
QTest::newRow("greenbytes-simplebasicrealmsqc") << QByteArray("Basic realm=\"\\f\\o\\o\"") << QByteArray("Basic") << QByteArray("realm,foo");
QTest::newRow("greenbytes-simplebasicrealmsqc2") << QByteArray("Basic realm=\"\\\"foo\\\"\"") << QByteArray("Basic") << QByteArray("realm,\"foo\"");
QTest::newRow("greenbytes-simplebasicnewparam1") << QByteArray("Basic realm=\"foo\", bar=\"xyz\"") << QByteArray("Basic")
<< QByteArray("realm,foo,bar,xyz");
QTest::newRow("greenbytes-simplebasicnewparam2") << QByteArray("Basic bar=\"xyz\", realm=\"foo\"") << QByteArray("Basic")
<< QByteArray("bar,xyz,realm,foo");
// a Basic challenge following an empty one
QTest::newRow("greenbytes-multibasicempty") << QByteArray(",Basic realm=\"foo\"") << QByteArray("Basic") << QByteArray("realm,foo");
QTest::newRow("greenbytes-multibasicunknown") << QByteArray("Basic realm=\"basic\", Newauth realm=\"newauth\"") << QByteArray("Basic")
<< QByteArray("realm,basic");
QTest::newRow("greenbytes-multibasicunknown2") << QByteArray("Newauth realm=\"newauth\", Basic realm=\"basic\"") << QByteArray("Basic")
<< QByteArray("realm,basic");
QTest::newRow("greenbytes-unknown") << QByteArray("Newauth realm=\"newauth\"") << QByteArray() << QByteArray();
// Misc. test cases
QTest::newRow("ntlm") << QByteArray("NTLM ") << QByteArray("NTLM") << QByteArray();
QTest::newRow("unterminated-quoted-value") << QByteArray("Basic realm=\"") << QByteArray("Basic") << QByteArray();
QTest::newRow("spacing-and-tabs") << QByteArray("bAsic bar\t =\t\"baz\", realm =\t\"foo\"") << QByteArray("bAsic") << QByteArray("bar,baz,realm,foo");
QTest::newRow("empty-fields") << QByteArray("Basic realm=foo , , , ,, bar=\"baz\"\t,") << QByteArray("Basic") << QByteArray("realm,foo,bar,baz");
QTest::newRow("spacing") << QByteArray("Basic realm=foo, bar = baz") << QByteArray("Basic") << QByteArray("realm,foo,bar,baz");
QTest::newRow("missing-comma-between-fields") << QByteArray("Basic realm=foo bar = baz") << QByteArray("Basic") << QByteArray("realm,foo");
// quotes around text, every character needlessly quoted
QTest::newRow("quote-excess") << QByteArray("Basic realm=\"\\\"\\f\\o\\o\\\"\"") << QByteArray("Basic") << QByteArray("realm,\"foo\"");
// quotes around text, quoted backslashes
QTest::newRow("quoted-backslash") << QByteArray("Basic realm=\"\\\"foo\\\\\\\\\"") << QByteArray("Basic") << QByteArray("realm,\"foo\\\\");
// quotes around text, quoted backslashes, quote hidden behind them
QTest::newRow("quoted-backslash-and-quote") << QByteArray("Basic realm=\"\\\"foo\\\\\\\"\"") << QByteArray("Basic") << QByteArray("realm,\"foo\\\"");
// invalid quoted text
QTest::newRow("invalid-quoted") << QByteArray("Basic realm=\"\\\"foo\\\\\\\"") << QByteArray("Basic") << QByteArray();
// ends in backslash without quoted value
QTest::newRow("invalid-quote") << QByteArray("Basic realm=\"\\\"foo\\\\\\") << QByteArray("Basic") << QByteArray();
}
QByteArray joinQByteArray(const QList<QByteArray> &list)
{
QByteArray data;
const int count = list.count();
for (int i = 0; i < count; ++i) {
if (i > 0) {
data += ',';
}
data += list.at(i);
}
return data;
}
void HTTPAuthenticationTest::testHeaderParsing()
{
QFETCH(QByteArray, header);
QFETCH(QByteArray, resultScheme);
QFETCH(QByteArray, resultValues);
QByteArray chosenHeader;
QByteArray chosenScheme;
QList<QByteArray> parsingResult;
parseAuthHeader(header, &chosenHeader, &chosenScheme, &parsingResult);
QCOMPARE(chosenScheme, resultScheme);
QCOMPARE(joinQByteArray(parsingResult), resultValues);
}
void HTTPAuthenticationTest::testAuthenticationSelection_data()
{
QTest::addColumn<QByteArray>("input");
QTest::addColumn<QByteArray>("expectedScheme");
QTest::addColumn<QByteArray>("expectedOffer");
#if HAVE_LIBGSSAPI
QTest::newRow("all-with-negotiate") << QByteArray("Negotiate , Digest , NTLM , Basic") << QByteArray("Negotiate") << QByteArray("Negotiate");
#endif
QTest::newRow("all-without-negotiate") << QByteArray("Digest , NTLM , Basic , NewAuth") << QByteArray("Digest") << QByteArray("Digest");
QTest::newRow("ntlm-basic-unknown") << QByteArray("NTLM , Basic , NewAuth") << QByteArray("NTLM") << QByteArray("NTLM");
QTest::newRow("basic-unknown") << QByteArray("Basic , NewAuth") << QByteArray("Basic") << QByteArray("Basic");
QTest::newRow("ntlm-basic+param-ntlm") << QByteArray("NTLM , Basic realm=foo, bar = baz, NTLM") << QByteArray("NTLM") << QByteArray("NTLM");
QTest::newRow("ntlm-with-type{2|3}") << QByteArray("NTLM VFlQRV8yX09SXzNfTUVTU0FHRQo=") << QByteArray("NTLM")
<< QByteArray("NTLM VFlQRV8yX09SXzNfTUVTU0FHRQo=");
// Unknown schemes always return blank, i.e. auth request should be ignored
QTest::newRow("unknown-param") << QByteArray("Newauth realm=\"newauth\"") << QByteArray() << QByteArray();
QTest::newRow("unknown-unknown") << QByteArray("NewAuth , NewAuth2") << QByteArray() << QByteArray();
}
void HTTPAuthenticationTest::testAuthenticationSelection()
{
QFETCH(QByteArray, input);
QFETCH(QByteArray, expectedScheme);
QFETCH(QByteArray, expectedOffer);
QByteArray scheme;
QByteArray offer;
parseAuthHeader(input, &offer, &scheme, nullptr);
QCOMPARE(scheme, expectedScheme);
QCOMPARE(offer, expectedOffer);
}
void HTTPAuthenticationTest::testAuthentication_data()
{
QTest::addColumn<QByteArray>("input");
QTest::addColumn<QByteArray>("expectedResponse");
QTest::addColumn<QByteArray>("user");
QTest::addColumn<QByteArray>("pass");
QTest::addColumn<QByteArray>("url");
QTest::addColumn<QByteArray>("cnonce");
// Test cases from RFC 2617...
/* clang-format off */
QTest::newRow("rfc-2617-basic-example") << QByteArray("Basic realm=\"WallyWorld\"")
<< QByteArray("Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ==")
<< QByteArray("Aladdin")
<< QByteArray("open sesame")
<< QByteArray()
<< QByteArray();
QTest::newRow("rfc-2617-digest-example")
<< QByteArray("Digest realm=\"testrealm@host.com\", qop=\"auth,auth-int\", nonce=\"dcd98b7102dd2f0e8b11d0f600bfb0c093\","
"opaque=\"5ccc069c403ebaf9f0171e9517f40e41\"")
<< QByteArray("Digest username=\"Mufasa\", realm=\"testrealm@host.com\", nonce=\"dcd98b7102dd2f0e8b11d0f600bfb0c093\", "
"uri=\"/dir/index.html\", algorithm=MD5, qop=auth, cnonce=\"0a4f113b\", nc=00000001, "
"response=\"6629fae49393a05397450978507c4ef1\", opaque=\"5ccc069c403ebaf9f0171e9517f40e41\"")
<< QByteArray("Mufasa")
<< QByteArray("Circle Of Life")
<< QByteArray("http://www.nowhere.org/dir/index.html")
<< QByteArray("0a4f113b");
QTest::newRow("ntlm-negotiate-type1") << QByteArray("NTLM")
<< QByteArray("NTLM TlRMTVNTUAABAAAABQIAAAAAAAAAAAAAAAAAAAAAAAA=")
<< QByteArray()
<< QByteArray()
<< QByteArray()
<< QByteArray();
QTest::newRow("ntlm-challenge-type2")
<< QByteArray("NTLM TlRMTVNTUAACAAAAFAAUACgAAAABggAAU3J2Tm9uY2UAAAAAAAAAAFUAcgBzAGEALQBNAGEAagBvAHIA")
<< QByteArray("NTLM "
"TlRMTVNTUAADAAAAGAAYAFgAAAAYABgAQAAAABQAFABwAAAADAAMAIQAAAAWABYAkAAAAAAAAAAAAAAAAYIAAODgDeMQShvyBT8Hx92oLTxImumJ4bAA062Hym3v40aFucQ8R3qMQtYAZn1okufol1UAcgBzAGEALQBNAGkAbgBvAHIAWgBhAHAAaABvAGQAVwBPAFIASwBTAFQAQQBUAEkATwBOAA==")
<< QByteArray("Ursa-Minor\\Zaphod")
<< QByteArray("Beeblebrox")
<< QByteArray()
<< QByteArray();
QTest::newRow("ntlm-challenge-type2-no-domain")
<< QByteArray("NTLM TlRMTVNTUAACAAAAFAAUACgAAAABggAAU3J2Tm9uY2UAAAAAAAAAAFUAcgBzAGEALQBNAGEAagBvAHIA")
<< QByteArray("NTLM "
"TlRMTVNTUAADAAAAGAAYAFgAAAAYABgAQAAAABQAFABwAAAADAAMAIQAAAAWABYAkAAAAAAAAAAAAAAAAYIAAODgDeMQShvyBT8Hx92oLTxImumJ4bAA062Hym3v40aFucQ8R3qMQtYAZn1okufol1UAcgBzAGEALQBNAGEAagBvAHIAWgBhAHAAaABvAGQAVwBPAFIASwBTAFQAQQBUAEkATwBOAA==")
<< QByteArray("Zaphod")
<< QByteArray("Beeblebrox")
<< QByteArray()
<< QByteArray();
QTest::newRow("ntlm-challenge-type2-empty-domain")
<< QByteArray("NTLM TlRMTVNTUAACAAAAFAAUACgAAAABggAAU3J2Tm9uY2UAAAAAAAAAAFUAcgBzAGEALQBNAGEAagBvAHIA")
<< QByteArray("NTLM "
"TlRMTVNTUAADAAAAGAAYAFgAAAAYABgAQAAAAAAAAAAAAAAADAAMAHAAAAAWABYAfAAAAAAAAAAAAAAAAYIAAODgDeMQShvyBT8Hx92oLTxImumJ4bAA062Hym3v40aFucQ8R3qMQtYAZn1okufol1oAYQBwAGgAbwBkAFcATwBSAEsAUwBUAEEAVABJAE8ATgA=")
<< QByteArray("\\Zaphod")
<< QByteArray("Beeblebrox")
<< QByteArray()
<< QByteArray();
/* clang-format on */
}
void HTTPAuthenticationTest::testAuthentication()
{
QFETCH(QByteArray, input);
QFETCH(QByteArray, expectedResponse);
QFETCH(QByteArray, user);
QFETCH(QByteArray, pass);
QFETCH(QByteArray, url);
QFETCH(QByteArray, cnonce);
QByteArray bestOffer;
parseAuthHeader(input, &bestOffer, nullptr, nullptr);
KAbstractHttpAuthentication *authObj = KAbstractHttpAuthentication::newAuth(bestOffer);
QVERIFY(authObj);
if (!cnonce.isEmpty()) {
authObj->setDigestNonceValue(cnonce);
}
authObj->setChallenge(bestOffer, QUrl(url), "GET");
authObj->generateResponse(QString(user), QString(pass));
QCOMPARE(authObj->headerFragment().trimmed().constData(), expectedResponse.constData());
delete authObj;
}
void HTTPAuthenticationTest::testAuthenticationNTLMv2()
{
/* clang-format off */
QByteArray input(
"NTLM "
"TlRMTVNTUAACAAAABgAGADgAAAAFAokCT0wyUnb4OSQAAAAAAAAAAMYAxgA+AAAABgGxHQAAAA9UAFMAVAACAAYAVABTAFQAAQASAEQAVgBHAFIASwBWAFEAUABEAAQAKgB0AHMAdAAuAGQAagBrAGgAcQBjAGkAaABtAGMAbwBmAGoALgBvAHIAZwADAD4ARABWAEcAUgBLAFYAUQBQAEQALgB0AHMAdAAuAGQAagBrAGgAcQBjAGkAaABtAGMAbwBmAGoALgBvAHIAZwAFACIAZABqAGsAaABxAGMAaQBoAG0AYwBvAGYAagAuAG8AcgBnAAcACABvb9jXZl7RAQAAAAA=");
QByteArray expectedResponse(
"TlRMTVNTUAADAAAAGAAYADYBAAD2APYAQAAAAAYABgBOAQAABgAGAFQBAAAWABYAWgEAAAAAAAAAAAAABQKJArXyhsxZPveKcfcV21viIsUBAQAAAAAAAAC8GQxfX9EBTHOi1kJbHbQAAAAAAgAGAFQAUwBUAAEAEgBEAFYARwBSAEsAVgBRAFAARAAEACoAdABzAHQALgBkAGoAawBoAHEAYwBpAGgAbQBjAG8AZgBqAC4AbwByAGcAAwA+AEQAVgBHAFIASwBWAFEAUABEAC4AdABzAHQALgBkAGoAawBoAHEAYwBpAGgAbQBjAG8AZgBqAC4AbwByAGcABQAiAGQAagBrAGgAcQBjAGkAaABtAGMAbwBmAGoALgBvAHIAZwAHAAgAb2/Y12Ze0QEAAAAAAAAAAOInN0N/15GHBtz3WXvvV159KG/2MbYk0FQAUwBUAGIAbwBiAFcATwBSAEsAUwBUAEEAVABJAE8ATgA=");
/* clang-format on */
QString user("TST\\bob");
QString pass("cacamas");
QString target("TST");
QByteArray bestOffer;
parseAuthHeader(input, &bestOffer, nullptr, nullptr);
KConfig conf;
KConfigGroup confGroup = conf.group("test");
confGroup.writeEntry("EnableNTLMv2Auth", true);
KAbstractHttpAuthentication *authObj = KAbstractHttpAuthentication::newAuth(bestOffer, &confGroup);
QVERIFY(authObj);
authObj->setChallenge(bestOffer, QUrl(), "GET");
authObj->generateResponse(QString(user), QString(pass));
QByteArray resp(QByteArray::fromBase64(authObj->headerFragment().trimmed().mid(5)));
QByteArray expResp(QByteArray::fromBase64(expectedResponse));
/* Prepare responses stripped from any data that is variable. */
QByteArray strippedResp(resp);
memset(strippedResp.data() + 0x40, 0, 0x10); // NTLMv2 MAC
memset(strippedResp.data() + 0x58, 0, 0x10); // timestamp + client nonce
memset(strippedResp.data() + 0x136, 0, 0x18); // LMv2 MAC
QByteArray strippedExpResp(expResp);
memset(strippedExpResp.data() + 0x40, 0, 0x10); // NTLMv2 MAC
memset(strippedExpResp.data() + 0x58, 0, 0x10); // timestamp + client nonce
memset(strippedExpResp.data() + 0x136, 0, 0x18); // LMv2 MAC
/* Compare the stripped responses. */
QCOMPARE(strippedResp.toBase64(), strippedExpResp.toBase64());
/* Verify the NTLMv2 response MAC. */
QByteArray challenge(QByteArray::fromBase64(input.mid(5)));
QByteArray serverNonce(challenge.mid(0x18, 8));
QByteArray uniPass(QString2UnicodeLE(pass));
QByteArray ntlmHash(QCryptographicHash::hash(uniPass, QCryptographicHash::Md4));
int i = user.indexOf('\\');
QString username;
if (i >= 0) {
username = user.mid(i + 1);
} else {
username = user;
}
QByteArray userTarget(QString2UnicodeLE(username.toUpper() + target));
QByteArray ntlm2Hash(hmacMD5(userTarget, ntlmHash));
QByteArray hashData(serverNonce + resp.mid(0x50, 230));
QByteArray mac(hmacMD5(hashData, ntlm2Hash));
QCOMPARE(mac.toHex(), resp.mid(0x40, 16).toHex());
/* Verify the LMv2 response MAC. */
QByteArray lmHashData(serverNonce + resp.mid(0x146, 8));
QByteArray lmHash(hmacMD5(lmHashData, ntlm2Hash));
QCOMPARE(lmHash.toHex(), resp.mid(0x136, 16).toHex());
delete authObj;
}
#include "moc_httpauthenticationtest.cpp"
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