void assertMaxRelError(
const T& expected,
const T& actual,
double maxRelativeError,
const std::string sourceFile,
const std::string sourceLine)
{
CPPUNIT_ASSERT_MESSAGE( failureMessage(sourceFile,
sourceLine,
wns::to<std::string>(expected),
wns::to<std::string>(actual)),
std::fabs(expected - actual) <= std::abs(expected * maxRelativeError) );
}
void CPppMsChap::FailureL(RMBufPacket& aPacket)
/**
@copydoc CPppChap::FailureL(RMBufPacket&)
@see CPppChap::FailureL(RMBufPacket&)
@internalComponent
*/
{
__ASSERT_ALWAYS(aPacket.Length() >= KPppChapCodeFieldSize +
KPppChapIdFieldSize +
KPppChapLengthFieldSize ,
User::Leave(KErrUnderflow));
if (!CheckIdentifier(aPacket))
User::Leave(KErrGeneral);
TimerCancel();
TPtrC8 failureMessage(aPacket.First()->Ptr() +
KPppChapCodeFieldSize +
KPppChapIdFieldSize +
KPppChapLengthFieldSize,
aPacket.Length() -
KPppChapCodeFieldSize -
KPppChapIdFieldSize -
KPppChapLengthFieldSize);
if (failureMessage.Length()==0)
{
DoFail(KErrIfAuthenticationFailure);
return;
}
TUint msChapError;
TUint8 isRetryAllowed;
TUint8 passwordProtoVersion;
TBool hasNewChallenge;
TInt sysError = KErrIfAuthenticationFailure;
ProcessFailureMessageL(failureMessage,
msChapError,
isRetryAllowed,
hasNewChallenge,
iChallengeRef,
passwordProtoVersion);
sysError = TranslateMsChapError(msChapError);
#ifndef __MS_CHAP_WITH_LAN_MANAGER__
// The authenticator-controlled authentication retry mechanisms and
// the password changing mechanisms have not been implemented in this
// release - this is in accordance with the project requirements.
// Consequently simply fail.
DoFail(sysError);
#else // __MS_CHAP_WITH_LAN_MANAGER__
// The code only handles KPppMsChapAuthenticationFailure, and no other
// MS-CHAP specific errors. In particular, this code does not handle
// KPppMsChapErrorPasswordExpired, since the password changing
// mechanisms have not been implemented in this release - this is in
// accordance with the project requirements.
if (msChapError != KPppMsChapAuthenticationFailure)
{
DoFail(sysError);
return;
}
if (!isRetryAllowed)
{
DoFail(sysError);
return;
}
if (!hasNewChallenge)
iChallengeRef[0] += 23; // magic constant from RFC 2433
if(!iUseNTResponse)
{
// Has already retried authentication using a LAN Manager compatible
// Challenge Response. Have tried Microsoft Windows NT compatible
// Challenge Response and LAN Manager compatible Challenge Response,
// so fail now
iUseNTResponse = ETrue;
DoFail(sysError);
return;
}
// Retry authentication using a LAN Manager compatible Challenge
// Response.
iUseNTResponse = EFalse;
RetryPasswordL();
#endif // __MS_CHAP_WITH_LAN_MANAGER__
}
void CPppMsChap2::FailureL(RMBufPacket& aPacket)
/**
@copydoc CPppChap::FailureL(RMBufPacket&)
@see CPppChap::FailureL(RMBufPacket&)
@internalComponent
*/
{
__ASSERT_ALWAYS(aPacket.Length() >= KPppChapCodeFieldSize +
KPppChapIdFieldSize +
KPppChapLengthFieldSize +
KPppMsChap2AuthenticatorChallengeSize*2
+ 2,
User::Leave(KErrUnderflow));
// check the id
if (!CheckIdentifier(aPacket))
User::Leave(KErrGeneral);
TimerCancel();
#ifndef _DEBUG
// The authenticator-controlled authentication retry mechanisms and
// the password changing mechanisms have not been implemented in this
// release - this is in accordance with the project requirements.
// Consequently simply fail.
DoFail(KErrIfAuthenticationFailure);
#else // _DEBUG
// Read the length of the MS-CHAP-V2 Failure packet and compute the
// length of the CHAP Message field and go past the CHAP Code field,
// the CHAP Identifier field and the CHAP Length field, in order to
// read the CHAP Message field
TPtrC8 failureMessage(aPacket.First()->Ptr() +
KPppChapCodeFieldSize +
KPppChapIdFieldSize +
KPppChapLengthFieldSize,
aPacket.Length() -
KPppChapCodeFieldSize -
KPppChapIdFieldSize -
KPppChapLengthFieldSize);
if (failureMessage.Length()==0)
{
DoFail(KErrIfAuthenticationFailure);
return;
}
TUint msChapError;
TUint8 isRetryAllowed;
TUint8 passwordProtoVersion;
TPtrC8 message;
TInt sysError=KErrIfAuthenticationFailure;
ProcessFailureMessageL(failureMessage,
msChapError,
isRetryAllowed,
iChallengeRef,
passwordProtoVersion,
message);
sysError=TranslateMsChapError(msChapError);
// The code only handles KPppMsChapAuthenticationFailure, and no other
// MS-CHAP specific errors. In particular, this code does not handle
// KPppMsChapErrorPasswordExpired, since the password changing
// mechanisms have not been implemented in this release - this is in
// accordance with the project requirements.
if (msChapError != KPppMsChapAuthenticationFailure)
{
DoFail(sysError);
return;
}
if (!isRetryAllowed)
{
DoFail(sysError);
return;
}
// The authenticator-controlled authentication retry mechanisms and
// the password changing mechanisms have not been implemented in this
// release - this is in accordance with the project requirements.
// Consequently simply fail.
DoFail(sysError);
#endif // _DEBUG
}
