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Apply disallow_empty_password to password changes too

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This commit is contained in:
sfan5 2022-04-27 19:10:03 +02:00
parent 391eec9ee7
commit 3d2bf8fb02
2 changed files with 14 additions and 4 deletions
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2
builtin/settingtypes.txt
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@ -1186,7 +1186,7 @@ enable_mod_channels (Mod channels) bool false
# If this is set, players will always (re)spawn at the given position.
static_spawnpoint (Static spawnpoint) string
# If enabled, new players cannot join with an empty password.
# If enabled, players cannot join without a password or change theirs to an empty password.
disallow_empty_password (Disallow empty passwords) bool false
# If enabled, disable cheat prevention in multiplayer.

16
src/network/serverpackethandler.cpp
View File

@ -1475,6 +1475,9 @@ void Server::handleCommand_FirstSrp(NetworkPacket* pkt)
verbosestream << "Server: Got TOSERVER_FIRST_SRP from " << addr_s
<< ", with is_empty=" << (is_empty == 1) << std::endl;
const bool empty_disallowed = !isSingleplayer() && is_empty == 1 &&
g_settings->getBool("disallow_empty_password");
// Either this packet is sent because the user is new or to change the password
if (cstate == CS_HelloSent) {
if (!client->isMechAllowed(AUTH_MECHANISM_FIRST_SRP)) {
@ -1485,9 +1488,7 @@ void Server::handleCommand_FirstSrp(NetworkPacket* pkt)
return;
}
if (!isSingleplayer() &&
g_settings->getBool("disallow_empty_password") &&
is_empty == 1) {
if (empty_disallowed) {
actionstream << "Server: " << playername
<< " supplied empty password from " << addr_s << std::endl;
DenyAccess(peer_id, SERVER_ACCESSDENIED_EMPTY_PASSWORD);
@ -1520,6 +1521,15 @@ void Server::handleCommand_FirstSrp(NetworkPacket* pkt)
return;
}
m_clients.event(peer_id, CSE_SudoLeave);
if (empty_disallowed) {
actionstream << "Server: " << playername
<< " supplied empty password" << std::endl;
SendChatMessage(peer_id, ChatMessage(CHATMESSAGE_TYPE_SYSTEM,
L"Changing to an empty password is not allowed."));
return;
}
std::string pw_db_field = encode_srp_verifier(verification_key, salt);
bool success = m_script->setPassword(playername, pw_db_field);
if (success) {