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Manually configurable minimum protocol version (#14054)

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Partially address #13483.  Server operators can set a minimum
protocol version to match the game requirements (or any other
restriction they may want), and it's applied as an additional
constraint on top of the baseline compatibility range, optional
strict_protocol_version_checking, and any kick-on-join used by
the game/mods.
This commit is contained in:
Warr1024 2023-12-21 12:53:30 -05:00 • committed by GitHub
parent 04dc4a10f0
commit 7e143cb33d
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7 changed files with 43 additions and 7 deletions
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6
src/network/serverpackethandler.cpp
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@ -147,10 +147,8 @@ void Server::handleCommand_Init(NetworkPacket* pkt)
client->net_proto_version = net_proto_version;
if ((g_settings->getBool("strict_protocol_version_checking") &&
net_proto_version != LATEST_PROTOCOL_VERSION) ||
net_proto_version < SERVER_PROTOCOL_VERSION_MIN ||
net_proto_version > SERVER_PROTOCOL_VERSION_MAX) {
if (net_proto_version < Server::getProtocolVersionMin() ||
net_proto_version > Server::getProtocolVersionMax()) {
actionstream << "Server: A mismatched client tried to connect from " <<
addr_s << " proto_max=" << (int)max_net_proto_version << std::endl;
DenyAccess(peer_id, SERVER_ACCESSDENIED_WRONG_VERSION);