minenux/minetest-engine-multicraft2
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Make protocol version <37 compatibility a setting

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This commit is contained in:
luk3yx 2022-04-08 15:16:23 +12:00
parent feb71c65e3
commit f8f32cc628
6 changed files with 12 additions and 2 deletions
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3
builtin/settingtypes.txt
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@ -1034,6 +1034,9 @@ port (Server port) int 30000
# The network interface that the server listens on.
bind_address (Bind address) string
# Disable to prevent clients that don't support protocol version 37 from connecting.
enable_protocol_compat (Enable legacy network protocol compatibility) bool true
# Enable to disallow old clients from connecting.
# Older clients are compatible in the sense that they will not crash when connecting
# to new servers, but they may not support all new features that you are expecting.

3
multicraft.conf.example
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@ -1233,6 +1233,9 @@
# type: string
# bind_address =
# Disable to prevent clients that don't support protocol version 37 from connecting.
# enable_proto_compat = true
# Enable to disallow old clients from connecting.
# Older clients are compatible in the sense that they will not crash when connecting
# to new servers, but they may not support all new features that you are expecting.

1
src/defaultsettings.cpp
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@ -384,6 +384,7 @@ void set_default_settings()
settings->setDefault("ipv6_server", "false");
settings->setDefault("max_packets_per_iteration","1024");
settings->setDefault("port", "40000");
settings->setDefault("enable_protocol_compat", "true");
settings->setDefault("strict_protocol_version_checking", "false");
settings->setDefault("player_transfer_distance", "0");
settings->setDefault("max_simultaneous_block_sends_per_client", "40");

1
src/network/networkprotocol.h
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@ -212,6 +212,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
// Server's supported network protocol range
#define SERVER_PROTOCOL_VERSION_MIN 25
#define SERVER_PROTOCOL_VERSION_MIN_NOCOMPAT 37
#define SERVER_PROTOCOL_VERSION_MAX LATEST_PROTOCOL_VERSION
// Client's supported network protocol range

3
src/network/serverpackethandler.cpp
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@ -143,9 +143,10 @@ void Server::handleCommand_Init(NetworkPacket* pkt)
client->net_proto_version = net_proto_version;
const u16 server_proto_ver_min = g_settings->getBool("enable_protocol_compat") ? SERVER_PROTOCOL_VERSION_MIN : SERVER_PROTOCOL_VERSION_MIN_NOCOMPAT;
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_proto_ver_min ||
net_proto_version > SERVER_PROTOCOL_VERSION_MAX) {
actionstream << "Server: A mismatched client tried to connect from " <<
addr_s << " proto_max=" << (int)max_net_proto_version << std::endl;

3
src/serverlist.cpp
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@ -71,11 +71,12 @@ void sendAnnounce(AnnounceAction action,
}
if (action != AA_DELETE) {
bool strict_checking = g_settings->getBool("strict_protocol_version_checking");
bool proto_compat = g_settings->getBool("enable_protocol_compat");
server["name"] = g_settings->get("server_name");
server["description"] = g_settings->get("server_description");
server["version"] = g_version_string;
server["server_id"] = PROJECT_NAME;
server["proto_min"] = strict_checking ? LATEST_PROTOCOL_VERSION : SERVER_PROTOCOL_VERSION_MIN;
server["proto_min"] = strict_checking ? LATEST_PROTOCOL_VERSION : (proto_compat ? SERVER_PROTOCOL_VERSION_MIN : SERVER_PROTOCOL_VERSION_MIN_NOCOMPAT);
server["proto_max"] = strict_checking ? LATEST_PROTOCOL_VERSION : SERVER_PROTOCOL_VERSION_MAX;
server["url"] = g_settings->get("server_url");
server["creative"] = g_settings->getBool("creative_mode");