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Network: Fix logging into older worlds with base64 hashes

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This commit is contained in:
SmallJoker 2017-09-12 20:26:03 +02:00
parent ee9a442ecc
commit 5e141ac920
4 changed files with 28 additions and 11 deletions
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6
src/network/clientpackethandler.cpp
View file

@ -86,7 +86,8 @@ void Client::handleCommand_Hello(NetworkPacket* pkt)
// we recieved a TOCLIENT_HELLO while auth was already going on
errorstream << "Client: TOCLIENT_HELLO while auth was already going on"
<< "(chosen_mech=" << m_chosen_auth_mech << ")." << std::endl;
if (m_chosen_auth_mech == AUTH_MECHANISM_SRP) {
if (m_chosen_auth_mech == AUTH_MECHANISM_SRP ||
m_chosen_auth_mech == AUTH_MECHANISM_LEGACY_PASSWORD) {
srp_user_delete((SRPUser *) m_auth_data);
m_auth_data = 0;
}
@ -1294,7 +1295,8 @@ void Client::handleCommand_UpdatePlayerList(NetworkPacket* pkt)
void Client::handleCommand_SrpBytesSandB(NetworkPacket* pkt)
{
if (m_chosen_auth_mech != AUTH_MECHANISM_SRP) {
if (m_chosen_auth_mech != AUTH_MECHANISM_SRP &&
m_chosen_auth_mech != AUTH_MECHANISM_LEGACY_PASSWORD) {
errorstream << "Client: Received SRP S_B login message,"
<< " but wasn't supposed to (chosen_mech="
<< m_chosen_auth_mech << ")." << std::endl;

9
src/network/serverpackethandler.cpp
View file

@ -232,6 +232,9 @@ void Server::handleCommand_Init(NetworkPacket* pkt)
DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_SERVER_FAIL);
return;
}
} else if (base64_is_valid(encpwd)) {
auth_mechs |= AUTH_MECHANISM_LEGACY_PASSWORD;
client->enc_pwd = encpwd;
} else {
actionstream << "User " << playername
<< " tried to log in, but password field"
@ -1578,7 +1581,8 @@ void Server::handleCommand_SrpBytesA(NetworkPacket* pkt)
<< "based_on=" << int(based_on) << " and len_A="
<< bytes_A.length() << "." << std::endl;
AuthMechanism chosen = AUTH_MECHANISM_SRP;
AuthMechanism chosen = (based_on == 0) ?
AUTH_MECHANISM_LEGACY_PASSWORD : AUTH_MECHANISM_SRP;
if (wantSudo) {
if (!client->isSudoMechAllowed(chosen)) {
@ -1663,7 +1667,8 @@ void Server::handleCommand_SrpBytesM(NetworkPacket* pkt)
return;
}
if (client->chosen_mech != AUTH_MECHANISM_SRP) {
if (client->chosen_mech != AUTH_MECHANISM_SRP &&
client->chosen_mech != AUTH_MECHANISM_LEGACY_PASSWORD) {
actionstream << "Server: got SRP _M packet, while auth"
<< "is going on with mech " << client->chosen_mech
<< " from " << getPeerAddress(pkt->getPeerId()).serializeString()