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Bug 734229 - Partially address by refusing to re-negotiate on NTLM. r=mayhemer, r=keeler

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Now only one NTLM Negotiate packet will be sent per connection, rather
than again after a failed authentication.  The problem situation is
triggered due to failed Negotiate authentication, and is probably more
complex.

Pair-programmed-with: Garming Sam <garming@catalyst.net.nz>
This commit is contained in:
Andrew Bartlett 2014-11-28 11:34:06 +13:00
parent 88f103be1a
commit 0b2e75f4be
2 changed files with 25 additions and 10 deletions
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34
security/manager/ssl/src/nsNTLMAuthModule.cpp
View File

@ -1002,6 +1002,7 @@ nsNTLMAuthModule::Init(const char *serviceName,
mDomain = domain;
mUsername = username;
mPassword = password;
mNTLMNegotiateSent = false;
static bool sTelemetrySent = false;
if (!sTelemetrySent) {
@ -1030,16 +1031,29 @@ nsNTLMAuthModule::GetNextToken(const void *inToken,
if (PK11_IsFIPS())
return NS_ERROR_NOT_AVAILABLE;
// if inToken is non-null, then assume it contains a type 2 message...
if (inToken)
{
LogToken("in-token", inToken, inTokenLen);
rv = GenerateType3Msg(mDomain, mUsername, mPassword, inToken,
inTokenLen, outToken, outTokenLen);
}
else
{
rv = GenerateType1Msg(outToken, outTokenLen);
if (mNTLMNegotiateSent) {
// if inToken is non-null, and we have sent the NTLMSSP_NEGOTIATE (type 1),
// then the NTLMSSP_CHALLENGE (type 2) is expected
if (inToken) {
LogToken("in-token", inToken, inTokenLen);
// Now generate the NTLMSSP_AUTH (type 3)
rv = GenerateType3Msg(mDomain, mUsername, mPassword, inToken,
inTokenLen, outToken, outTokenLen);
} else {
LOG(("NTLMSSP_NEGOTIATE already sent and presumably "
"rejected by the server, refusing to send another"));
rv = NS_ERROR_UNEXPECTED;
}
} else {
if (inToken) {
LOG(("NTLMSSP_NEGOTIATE not sent but NTLM reply already received?!?"));
rv = NS_ERROR_UNEXPECTED;
} else {
rv = GenerateType1Msg(outToken, outTokenLen);
if (NS_SUCCEEDED(rv)) {
mNTLMNegotiateSent = true;
}
}
}
#ifdef PR_LOGGING

1
security/manager/ssl/src/nsNTLMAuthModule.h
View File

@ -28,6 +28,7 @@ private:
nsString mDomain;
nsString mUsername;
nsString mPassword;
bool mNTLMNegotiateSent;
};
#define NS_NTLMAUTHMODULE_CONTRACTID \