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Add config option to disable the localhost workaround

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There are some network configurations in which it's undesirable; such as
reverse tunneling through ssh. These are obscure enough to allow leaving
the option undocumented (in the example config file).
This commit is contained in:
dongresource 2021-10-21 20:58:41 +02:00
parent e2c85aa03f
commit 70c3650ee1
3 changed files with 5 additions and 2 deletions
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2
src/servers/CNLoginServer.cpp
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@ -445,7 +445,7 @@ void CNLoginServer::characterSelect(CNSocket* sock, CNPacketData* data) {
* the shard IP has been configured to an address the local machine can't * the shard IP has been configured to an address the local machine can't
* reach itself from. * reach itself from.
*/ */
if (sock->sockaddr.sin_addr.s_addr == htonl(INADDR_LOOPBACK)) if (settings::LOCALHOSTWORKAROUND && sock->sockaddr.sin_addr.s_addr == htonl(INADDR_LOOPBACK))
shard_ip = "127.0.0.1"; shard_ip = "127.0.0.1";
memcpy(resp.g_FE_ServerIP, shard_ip, strlen(shard_ip)); memcpy(resp.g_FE_ServerIP, shard_ip, strlen(shard_ip));

4
src/settings.cpp
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@ -14,6 +14,7 @@ int settings::DBSAVEINTERVAL = 240;
int settings::SHARDPORT = 23001; int settings::SHARDPORT = 23001;
std::string settings::SHARDSERVERIP = "127.0.0.1"; std::string settings::SHARDSERVERIP = "127.0.0.1";
bool settings::LOCALHOSTWORKAROUND = true;
time_t settings::TIMEOUT = 60000; time_t settings::TIMEOUT = 60000;
int settings::VIEWDISTANCE = 25600; int settings::VIEWDISTANCE = 25600;
bool settings::SIMULATEMOBS = true; bool settings::SIMULATEMOBS = true;
@ -79,7 +80,8 @@ void settings::init() {
LOGINPORT = reader.GetInteger("login", "port", LOGINPORT); LOGINPORT = reader.GetInteger("login", "port", LOGINPORT);
SHARDPORT = reader.GetInteger("shard", "port", SHARDPORT); SHARDPORT = reader.GetInteger("shard", "port", SHARDPORT);
DBSAVEINTERVAL = reader.GetInteger("login", "dbsaveinterval", DBSAVEINTERVAL); DBSAVEINTERVAL = reader.GetInteger("login", "dbsaveinterval", DBSAVEINTERVAL);
SHARDSERVERIP = reader.Get("shard", "ip", "127.0.0.1"); SHARDSERVERIP = reader.Get("shard", "ip", SHARDSERVERIP);
LOCALHOSTWORKAROUND = reader.GetBoolean("shard", "localhostworkaround", LOCALHOSTWORKAROUND);
TIMEOUT = reader.GetInteger("shard", "timeout", TIMEOUT); TIMEOUT = reader.GetInteger("shard", "timeout", TIMEOUT);
VIEWDISTANCE = reader.GetInteger("shard", "viewdistance", VIEWDISTANCE); VIEWDISTANCE = reader.GetInteger("shard", "viewdistance", VIEWDISTANCE);
SIMULATEMOBS = reader.GetBoolean("shard", "simulatemobs", SIMULATEMOBS); SIMULATEMOBS = reader.GetBoolean("shard", "simulatemobs", SIMULATEMOBS);

1
src/settings.hpp
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@ -7,6 +7,7 @@ namespace settings {
extern int DBSAVEINTERVAL; extern int DBSAVEINTERVAL;
extern int SHARDPORT; extern int SHARDPORT;
extern std::string SHARDSERVERIP; extern std::string SHARDSERVERIP;
extern bool LOCALHOSTWORKAROUND;
extern time_t TIMEOUT; extern time_t TIMEOUT;
extern int VIEWDISTANCE; extern int VIEWDISTANCE;
extern bool SIMULATEMOBS; extern bool SIMULATEMOBS;