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Network: Fix logging into older worlds with base64 hashes
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ee9a442ecc
commit
5e141ac920
@ -920,10 +920,10 @@ void Client::deleteAuthData()
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case AUTH_MECHANISM_FIRST_SRP:
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break;
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case AUTH_MECHANISM_SRP:
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case AUTH_MECHANISM_LEGACY_PASSWORD:
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srp_user_delete((SRPUser *) m_auth_data);
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m_auth_data = NULL;
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break;
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case AUTH_MECHANISM_LEGACY_PASSWORD:
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case AUTH_MECHANISM_NONE:
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break;
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}
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@ -939,6 +939,9 @@ AuthMechanism Client::choseAuthMech(const u32 mechs)
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if (mechs & AUTH_MECHANISM_FIRST_SRP)
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return AUTH_MECHANISM_FIRST_SRP;
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if (mechs & AUTH_MECHANISM_LEGACY_PASSWORD)
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return AUTH_MECHANISM_LEGACY_PASSWORD;
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return AUTH_MECHANISM_NONE;
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}
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@ -974,8 +977,14 @@ void Client::startAuth(AuthMechanism chosen_auth_mechanism)
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Send(&resp_pkt);
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break;
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}
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case AUTH_MECHANISM_SRP: {
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u8 legacy_based_on = 1;
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case AUTH_MECHANISM_SRP:
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case AUTH_MECHANISM_LEGACY_PASSWORD: {
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u8 based_on = 1;
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if (chosen_auth_mechanism == AUTH_MECHANISM_LEGACY_PASSWORD) {
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m_password = translate_password(getPlayerName(), m_password);
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based_on = 0;
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}
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std::string playername_u = lowercase(getPlayerName());
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m_auth_data = srp_user_new(SRP_SHA256, SRP_NG_2048,
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@ -990,11 +999,10 @@ void Client::startAuth(AuthMechanism chosen_auth_mechanism)
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FATAL_ERROR_IF(res != SRP_OK, "Creating local SRP user failed.");
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NetworkPacket resp_pkt(TOSERVER_SRP_BYTES_A, 0);
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resp_pkt << std::string(bytes_A, len_A) << legacy_based_on;
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resp_pkt << std::string(bytes_A, len_A) << based_on;
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Send(&resp_pkt);
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break;
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}
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case AUTH_MECHANISM_LEGACY_PASSWORD:
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case AUTH_MECHANISM_NONE:
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break; // not handled in this method
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}
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@ -454,7 +454,8 @@ void RemoteClient::notifyEvent(ClientStateEvent event)
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{
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case CSE_AuthAccept:
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m_state = CS_AwaitingInit2;
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if (chosen_mech == AUTH_MECHANISM_SRP)
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if (chosen_mech == AUTH_MECHANISM_SRP ||
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chosen_mech == AUTH_MECHANISM_LEGACY_PASSWORD)
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srp_verifier_delete((SRPVerifier *) auth_data);
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chosen_mech = AUTH_MECHANISM_NONE;
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break;
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@ -463,7 +464,8 @@ void RemoteClient::notifyEvent(ClientStateEvent event)
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break;
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case CSE_SetDenied:
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m_state = CS_Denied;
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if (chosen_mech == AUTH_MECHANISM_SRP)
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if (chosen_mech == AUTH_MECHANISM_SRP ||
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chosen_mech == AUTH_MECHANISM_LEGACY_PASSWORD)
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srp_verifier_delete((SRPVerifier *) auth_data);
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chosen_mech = AUTH_MECHANISM_NONE;
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break;
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@ -86,7 +86,8 @@ void Client::handleCommand_Hello(NetworkPacket* pkt)
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// we recieved a TOCLIENT_HELLO while auth was already going on
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errorstream << "Client: TOCLIENT_HELLO while auth was already going on"
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<< "(chosen_mech=" << m_chosen_auth_mech << ")." << std::endl;
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if (m_chosen_auth_mech == AUTH_MECHANISM_SRP) {
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if (m_chosen_auth_mech == AUTH_MECHANISM_SRP ||
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m_chosen_auth_mech == AUTH_MECHANISM_LEGACY_PASSWORD) {
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srp_user_delete((SRPUser *) m_auth_data);
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m_auth_data = 0;
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}
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@ -1294,7 +1295,8 @@ void Client::handleCommand_UpdatePlayerList(NetworkPacket* pkt)
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void Client::handleCommand_SrpBytesSandB(NetworkPacket* pkt)
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{
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if (m_chosen_auth_mech != AUTH_MECHANISM_SRP) {
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if (m_chosen_auth_mech != AUTH_MECHANISM_SRP &&
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m_chosen_auth_mech != AUTH_MECHANISM_LEGACY_PASSWORD) {
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errorstream << "Client: Received SRP S_B login message,"
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<< " but wasn't supposed to (chosen_mech="
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<< m_chosen_auth_mech << ")." << std::endl;
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@ -232,6 +232,9 @@ void Server::handleCommand_Init(NetworkPacket* pkt)
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DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_SERVER_FAIL);
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return;
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}
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} else if (base64_is_valid(encpwd)) {
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auth_mechs |= AUTH_MECHANISM_LEGACY_PASSWORD;
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client->enc_pwd = encpwd;
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} else {
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actionstream << "User " << playername
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<< " tried to log in, but password field"
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@ -1578,7 +1581,8 @@ void Server::handleCommand_SrpBytesA(NetworkPacket* pkt)
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<< "based_on=" << int(based_on) << " and len_A="
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<< bytes_A.length() << "." << std::endl;
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AuthMechanism chosen = AUTH_MECHANISM_SRP;
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AuthMechanism chosen = (based_on == 0) ?
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AUTH_MECHANISM_LEGACY_PASSWORD : AUTH_MECHANISM_SRP;
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if (wantSudo) {
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if (!client->isSudoMechAllowed(chosen)) {
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@ -1663,7 +1667,8 @@ void Server::handleCommand_SrpBytesM(NetworkPacket* pkt)
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return;
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}
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if (client->chosen_mech != AUTH_MECHANISM_SRP) {
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if (client->chosen_mech != AUTH_MECHANISM_SRP &&
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client->chosen_mech != AUTH_MECHANISM_LEGACY_PASSWORD) {
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actionstream << "Server: got SRP _M packet, while auth"
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<< "is going on with mech " << client->chosen_mech
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<< " from " << getPeerAddress(pkt->getPeerId()).serializeString()
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