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authorRemko Tronçon <git@el-tramo.be>2010-12-11 12:43:08 (GMT)
committerRemko Tronçon <git@el-tramo.be>2010-12-11 12:43:35 (GMT)
commitaaf38fe2e6804bd87ea5e99a05ed57070cbe1c57 (patch)
tree358ff7b5022e0c192e22f746e285f673bf5def9b /Swiften/SASL
parentd9ce3491e818d96f3dc0154e9e5d30228420483c (diff)
downloadswift-aaf38fe2e6804bd87ea5e99a05ed57070cbe1c57.zip
swift-aaf38fe2e6804bd87ea5e99a05ed57070cbe1c57.tar.bz2
Added SCRAM-SHA-1-PLUS support.
Release-Notes: Swift now supports SCRAM-SHA-1-PLUS authentication.
Diffstat (limited to 'Swiften/SASL')
-rw-r--r--Swiften/SASL/SCRAMSHA1ClientAuthenticator.cpp26
-rw-r--r--Swiften/SASL/SCRAMSHA1ClientAuthenticator.h1
-rw-r--r--Swiften/SASL/UnitTest/SCRAMSHA1ClientAuthenticatorTest.cpp4
3 files changed, 21 insertions, 10 deletions
diff --git a/Swiften/SASL/SCRAMSHA1ClientAuthenticator.cpp b/Swiften/SASL/SCRAMSHA1ClientAuthenticator.cpp
index 4e00397..2cc7cea 100644
--- a/Swiften/SASL/SCRAMSHA1ClientAuthenticator.cpp
+++ b/Swiften/SASL/SCRAMSHA1ClientAuthenticator.cpp
@@ -35,7 +35,7 @@ static String escape(const String& s) {
}
-SCRAMSHA1ClientAuthenticator::SCRAMSHA1ClientAuthenticator(const String& nonce, bool useChannelBinding) : ClientAuthenticator("SCRAM-SHA-1"), step(Initial), clientnonce(nonce), useChannelBinding(useChannelBinding) {
+SCRAMSHA1ClientAuthenticator::SCRAMSHA1ClientAuthenticator(const String& nonce, bool useChannelBinding) : ClientAuthenticator(useChannelBinding ? "SCRAM-SHA-1-PLUS" : "SCRAM-SHA-1"), step(Initial), clientnonce(nonce), useChannelBinding(useChannelBinding) {
}
boost::optional<ByteArray> SCRAMSHA1ClientAuthenticator::getResponse() const {
@@ -50,11 +50,7 @@ boost::optional<ByteArray> SCRAMSHA1ClientAuthenticator::getResponse() const {
for (unsigned int i = 0; i < clientProof.getSize(); ++i) {
clientProof[i] ^= clientSignature[i];
}
- ByteArray channelBindData;
- if (useChannelBinding && tlsChannelBindingData) {
- channelBindData = *tlsChannelBindingData;
- }
- ByteArray result = ByteArray("c=") + Base64::encode(getGS2Header() + channelBindData) + ",r=" + clientnonce + serverNonce + ",p=" + Base64::encode(clientProof);
+ ByteArray result = getFinalMessageWithoutProof() + ",p=" + Base64::encode(clientProof);
return result;
}
else {
@@ -97,9 +93,14 @@ bool SCRAMSHA1ClientAuthenticator::setChallenge(const boost::optional<ByteArray>
return false;
}
+ ByteArray channelBindData;
+ if (useChannelBinding && tlsChannelBindingData) {
+ channelBindData = *tlsChannelBindingData;
+ }
+
// Compute all the values needed for the server signature
saltedPassword = PBKDF2::encode(StringPrep::getPrepared(getPassword(), StringPrep::SASLPrep), salt, iterations);
- authMessage = getInitialBareClientMessage() + "," + initialServerMessage + "," + "c=" + Base64::encode(getGS2Header()) + ",r=" + clientnonce + serverNonce;
+ authMessage = getInitialBareClientMessage() + "," + initialServerMessage + "," + getFinalMessageWithoutProof();
ByteArray serverKey = HMACSHA1::getResult(saltedPassword, "Server Key");
serverSignature = HMACSHA1::getResult(serverKey, authMessage);
@@ -153,7 +154,7 @@ ByteArray SCRAMSHA1ClientAuthenticator::getGS2Header() const {
ByteArray channelBindingHeader("n");
if (tlsChannelBindingData) {
if (useChannelBinding) {
- channelBindingHeader = ByteArray("p=tls-server-end-point");
+ channelBindingHeader = ByteArray("p=tls-unique");
}
else {
channelBindingHeader = ByteArray("y");
@@ -166,4 +167,13 @@ void SCRAMSHA1ClientAuthenticator::setTLSChannelBindingData(const ByteArray& cha
this->tlsChannelBindingData = channelBindingData;
}
+ByteArray SCRAMSHA1ClientAuthenticator::getFinalMessageWithoutProof() const {
+ ByteArray channelBindData;
+ if (useChannelBinding && tlsChannelBindingData) {
+ channelBindData = *tlsChannelBindingData;
+ }
+ return ByteArray("c=") + Base64::encode(getGS2Header() + channelBindData) + ",r=" + clientnonce + serverNonce;
+}
+
+
}
diff --git a/Swiften/SASL/SCRAMSHA1ClientAuthenticator.h b/Swiften/SASL/SCRAMSHA1ClientAuthenticator.h
index b44e6b7..2cf3cc7 100644
--- a/Swiften/SASL/SCRAMSHA1ClientAuthenticator.h
+++ b/Swiften/SASL/SCRAMSHA1ClientAuthenticator.h
@@ -26,6 +26,7 @@ namespace Swift {
private:
ByteArray getInitialBareClientMessage() const;
ByteArray getGS2Header() const;
+ ByteArray getFinalMessageWithoutProof() const;
static std::map<char, String> parseMap(const String&);
diff --git a/Swiften/SASL/UnitTest/SCRAMSHA1ClientAuthenticatorTest.cpp b/Swiften/SASL/UnitTest/SCRAMSHA1ClientAuthenticatorTest.cpp
index 0d12bd3..0e42f38 100644
--- a/Swiften/SASL/UnitTest/SCRAMSHA1ClientAuthenticatorTest.cpp
+++ b/Swiften/SASL/UnitTest/SCRAMSHA1ClientAuthenticatorTest.cpp
@@ -92,7 +92,7 @@ class SCRAMSHA1ClientAuthenticatorTest : public CppUnit::TestFixture {
ByteArray response = *testling.getResponse();
- CPPUNIT_ASSERT_EQUAL(String("p=tls-server-end-point,,n=user,r=abcdefghABCDEFGH"), response.toString());
+ CPPUNIT_ASSERT_EQUAL(String("p=tls-unique,,n=user,r=abcdefghABCDEFGH"), response.toString());
}
void testGetFinalResponse() {
@@ -124,7 +124,7 @@ class SCRAMSHA1ClientAuthenticatorTest : public CppUnit::TestFixture {
ByteArray response = *testling.getResponse();
- CPPUNIT_ASSERT_EQUAL(String("c=cD10bHMtc2VydmVyLWVuZC1wb2ludCwseHl6YQ==,r=abcdefghABCDEFGH,p=ycZyNs03w1HlRzFmXl8dlKx3NAU="), response.toString());
+ CPPUNIT_ASSERT_EQUAL(String("c=cD10bHMtdW5pcXVlLCx4eXph,r=abcdefghABCDEFGH,p=i6Rghite81P1ype8XxaVAa5l7v0="), response.toString());
}
void testSetFinalChallenge() {