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Ask auth handler to create auth when a default password is set

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-> Fix server crash with protocol >=25 if a default password is set.
-> Remove some useless and possibly confusion causing code for the TOCLIENT_FIRST_SRP packet handler
This commit is contained in:
est31 2015-07-21 17:57:57 +02:00
parent 403e6e6c9c
commit a57d83b46a
2 changed files with 19 additions and 7 deletions
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2
src/clientiface.h
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@ -232,6 +232,7 @@ public:
/* Authentication information */
std::string enc_pwd;
bool create_player_on_auth_success;
AuthMechanism chosen_mech;
void * auth_data;
u32 allowed_auth_mechs;
@ -246,6 +247,7 @@ public:
peer_id(PEER_ID_INEXISTENT),
serialization_version(SER_FMT_VER_INVALID),
net_proto_version(0),
create_player_on_auth_success(false),
chosen_mech(AUTH_MECHANISM_NONE),
auth_data(NULL),
m_time_from_building(9999),

24
src/network/serverpackethandler.cpp
View File

@ -263,6 +263,8 @@ void Server::handleCommand_Init(NetworkPacket* pkt)
// Take care of default passwords.
client->enc_pwd = getSRPVerifier(playerName, default_password);
auth_mechs |= AUTH_MECHANISM_SRP;
// Create auth, but only on successful login
client->create_player_on_auth_success = true;
}
}
@ -1858,14 +1860,8 @@ void Server::handleCommand_FirstSrp(NetworkPacket* pkt)
}
std::string initial_ver_key;
std::string raw_default_password = g_settings->get("default_password");
// If default_password is empty, allow any initial password
if (raw_default_password.length() == 0) {
initial_ver_key = encodeSRPVerifier(verification_key, salt);
} else {
initial_ver_key = getSRPVerifier(playername, raw_default_password);
}
initial_ver_key = encodeSRPVerifier(verification_key, salt);
m_script->createAuth(playername, initial_ver_key);
acceptAuth(pkt->getPeerId(), false);
@ -2072,5 +2068,19 @@ void Server::handleCommand_SrpBytesM(NetworkPacket* pkt)
}
}
if (client->create_player_on_auth_success) {
std::string playername = client->getName();
m_script->createAuth(playername, client->enc_pwd);
std::string checkpwd; // not used, but needed for passing something
if (!m_script->getAuth(playername, &checkpwd, NULL)) {
actionstream << "Server: " << playername << " cannot be authenticated"
<< " (auth handler does not work?)" << std::endl;
DenyAccess(pkt->getPeerId(), SERVER_ACCESSDENIED_SERVER_FAIL);
return;
}
client->create_player_on_auth_success = false;
}
acceptAuth(pkt->getPeerId(), wantSudo);
}