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Send connection information to external server

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This commit is contained in:
heinrich5991 2017-12-20 16:56:34 +01:00
parent 1d55bbda0e
commit 1a236dbefc
5 changed files with 155 additions and 6 deletions
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19
src/base/system.c
View file

@ -1825,6 +1825,25 @@ int net_init()
return 0;
}
#if defined(CONF_FAMILY_UNIX)
UNIXSOCKET net_unnamed_unix_create()
{
return socket(AF_UNIX, SOCK_DGRAM, 0);
}
int net_unix_send(UNIXSOCKET sock, UNIXSOCKETADDR *addr, void *data, int size)
{
return sendto(sock, data, size, 0, (struct sockaddr *)addr, sizeof(struct sockaddr_un));
}
void net_unix_set_addr(UNIXSOCKETADDR *addr, const char *path)
{
mem_zero(addr, sizeof(addr));
addr->sun_family = AF_UNIX;
str_copy(addr->sun_path, path, sizeof(addr->sun_path));
}
#endif
int fs_listdir_info(const char *dir, FS_LISTDIR_INFO_CALLBACK cb, int type, void *user)
{
#if defined(CONF_FAMILY_WINDOWS)

46
src/base/system.h
View file

@ -12,6 +12,10 @@
#include "stddef.h"
#include <time.h>
#ifdef CONF_FAMILY_UNIX
#include <sys/un.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
@ -601,6 +605,10 @@ typedef struct
unsigned short port;
} NETADDR;
#ifdef CONF_FAMILY_UNIX
typedef int UNIXSOCKET;
typedef struct sockaddr_un UNIXSOCKETADDR;
#endif
/*
Function: net_init
Initiates network functionallity.
@ -825,6 +833,44 @@ int net_tcp_recv(NETSOCKET sock, void *data, int maxsize);
*/
int net_tcp_close(NETSOCKET sock);
#if defined(CONF_FAMILY_UNIX)
/* Group: Network Unix Sockets */
/*
Function: net_unnamed_unix_create
Creates an unnamed unix dgram socket.
Returns:
On success it returns a handle to the socket. On failure it returns -1.
*/
UNIXSOCKET net_unnamed_unix_create();
/*
Function: net_unix_send
Sends data to a Unix socket.
Parameters:
sock - Socket to use.
addr - Where to send the packet.
data - Pointer to the packet data to send.
size - Size of the packet.
Returns:
Number of bytes sent. Negative value on failure.
*/
int net_unix_send(UNIXSOCKET sock, UNIXSOCKETADDR *addr, void *data, int size);
/*
Function: net_unix_set_addr
Sets the unixsocketaddress for a path to a socket file.
Parameters:
addr - Pointer to the addressstruct to fill.
path - Path to the (named) unix socket.
*/
void net_unix_set_addr(UNIXSOCKETADDR *addr, const char *path);
#endif
/* Group: Strings */
/*

67
src/engine/server/server.cpp
View file

@ -323,6 +323,10 @@ CServer::CServer()
m_ServerInfoNumRequests = 0;
m_ServerInfoHighLoad = false;
#ifdef CONF_FAMILY_UNIX
m_ConnLoggingSocketCreated = false;
#endif
#if defined (CONF_SQL)
for (int i = 0; i < MAX_SQLSERVERS; i++)
{
@ -791,7 +795,9 @@ int CServer::NewClientNoAuthCallback(int ClientID, bool Reset, void *pUser)
}
pThis->SendMap(ClientID);
#if defined(CONF_FAMILY_UNIX)
pThis->SendConnLoggingCommand(OPEN_SESSION, pThis->m_NetServer.ClientAddr(ClientID));
#endif
return 0;
}
@ -812,6 +818,10 @@ int CServer::NewClientCallback(int ClientID, void *pUser)
memset(&pThis->m_aClients[ClientID].m_Addr, 0, sizeof(NETADDR));
pThis->m_aClients[ClientID].Reset();
pThis->GameServer()->OnClientEngineJoin(ClientID);
#if defined(CONF_FAMILY_UNIX)
pThis->SendConnLoggingCommand(OPEN_SESSION, pThis->m_NetServer.ClientAddr(ClientID));
#endif
return 0;
}
@ -840,6 +850,23 @@ void CServer::InitDnsbl(int ClientID)
pEngine->AddJob(m_aClients[ClientID].m_pDnsblLookup = std::make_shared<CHostLookup>(aBuf, NETTYPE_IPV4));
}
#ifdef CONF_FAMILY_UNIX
void CServer::SendConnLoggingCommand(CONN_LOGGING_CMD Cmd, const NETADDR* pAddr)
{
if(!g_Config.m_SvConnLoggingServer[0] || !m_ConnLoggingSocketCreated)
return;
// pack the data and send it
unsigned char aData[23] = {0};
aData[0] = Cmd;
mem_copy(&aData[1], &pAddr->type, 4);
mem_copy(&aData[5], pAddr->ip, 16);
mem_copy(&aData[21], &pAddr->port, 2);
net_unix_socket_send(m_ConnLoggingSocket, &m_ConnLoggingDestAddr, aData, sizeof(aData));
}
#endif
int CServer::DelClientCallback(int ClientID, const char *pReason, void *pUser)
{
CServer *pThis = (CServer *)pUser;
@ -869,7 +896,9 @@ int CServer::DelClientCallback(int ClientID, const char *pReason, void *pUser)
pThis->m_aClients[ClientID].m_Snapshots.PurgeAll();
pThis->GameServer()->OnClientEngineDrop(ClientID, pReason);
#if defined(CONF_FAMILY_UNIX)
pThis->SendConnLoggingCommand(CLOSE_SESSION, pThis->m_NetServer.ClientAddr(ClientID));
#endif
return 0;
}
@ -2612,6 +2641,34 @@ void CServer::ConchainRconHelperPasswordChange(IConsole::IResult *pResult, void
((CServer *)pUserData)->ConchainRconPasswordChangeGeneric(AUTHED_HELPER, pResult);
}
#if defined(CONF_FAMILY_UNIX)
void CServer::ConchainConnLoggingServerChange(IConsole::IResult *pResult, void *pUserData, IConsole::FCommandCallback pfnCallback, void *pCallbackUserData)
{
pfnCallback(pResult, pCallbackUserData);
if(pResult->NumArguments() == 1)
{
CServer *pServer = (CServer *)pUserData;
// open socket to send new connections
if(!pServer->m_ConnLoggingSocketCreated)
{
pServer->m_ConnLoggingSocket = net_unnamed_unix_socket_create();
if(pServer->m_ConnLoggingSocket == -1)
{
pServer->Console()->Print(IConsole::OUTPUT_LEVEL_STANDARD, "server", "Failed to created socket for communication with the connection logging server.");
}
else
{
pServer->m_ConnLoggingSocketCreated = true;
}
}
// set the destination address for the connection logging
net_unix_socket_set_addr(&pServer->m_ConnLoggingDestAddr, pResult->GetString(0));
}
}
#endif
void CServer::RegisterCommands()
{
m_pConsole = Kernel()->RequestInterface<IConsole>();
@ -2631,10 +2688,8 @@ void CServer::RegisterCommands()
Console()->Register("reload", "", CFGFLAG_SERVER, ConMapReload, this, "Reload the map");
#if defined(CONF_SQL)
Console()->Register("add_sqlserver", "s['r'|'w'] s[Database] s[Prefix] s[User] s[Password] s[IP] i[Port] ?i[SetUpDatabase ?]", CFGFLAG_SERVER|CFGFLAG_NONTEEHISTORIC, ConAddSqlServer, this, "add a sqlserver");
Console()->Register("dump_sqlservers", "s['r'|'w']", CFGFLAG_SERVER, ConDumpSqlServers, this, "dumps all sqlservers readservers = r, writeservers = w");
#endif
Console()->Register("dnsbl_status", "", CFGFLAG_SERVER, ConDnsblStatus, this, "List blacklisted players");
@ -2657,6 +2712,10 @@ void CServer::RegisterCommands()
Console()->Chain("sv_rcon_mod_password", ConchainRconModPasswordChange, this);
Console()->Chain("sv_rcon_helper_password", ConchainRconHelperPasswordChange, this);
#if defined(CONF_FAMILY_UNIX)
Console()->Chain("sv_conn_logging_server", ConchainConnLoggingServerChange, this);
#endif
// register console commands in sub parts
m_ServerBan.InitServerBan(Console(), Storage(), this);
m_pGameServer->OnConsoleInit();

21
src/engine/server/server.h
View file

@ -90,6 +90,12 @@ class CServer : public IServer
CSqlServer *m_apSqlWriteServers[MAX_SQLSERVERS];
#endif
#if defined(CONF_FAMILY_UNIX)
UNIXSOCKETADDR m_ConnLoggingDestAddr;
bool m_ConnLoggingSocketCreated;
UNIXSOCKET m_ConnLoggingSocket;
#endif
public:
class IGameServer *GameServer() { return m_pGameServer; }
class IConsole *Console() { return m_pConsole; }
@ -324,6 +330,10 @@ public:
static void ConchainRconModPasswordChange(IConsole::IResult *pResult, void *pUserData, IConsole::FCommandCallback pfnCallback, void *pCallbackUserData);
static void ConchainRconHelperPasswordChange(IConsole::IResult *pResult, void *pUserData, IConsole::FCommandCallback pfnCallback, void *pCallbackUserData);
#if defined(CONF_FAMILY_UNIX)
static void ConchainConnLoggingServerChange(IConsole::IResult *pResult, void *pUserData, IConsole::FCommandCallback pfnCallback, void *pCallbackUserData);
#endif
void RegisterCommands();
@ -358,6 +368,17 @@ public:
bool ErrorShutdown() const { return m_aErrorShutdownReason[0] != 0; }
void SetErrorShutdown(const char *pReason);
#ifdef CONF_FAMILY_UNIX
enum CONN_LOGGING_CMD
{
OPEN_SESSION=1,
CLOSE_SESSION=2,
};
void SendConnLoggingCommand(CONN_LOGGING_CMD cmd, const NETADDR *pAddr);
#endif
};
#endif

4
src/engine/shared/config_variables.h
View file

@ -373,6 +373,10 @@ MACRO_CONFIG_INT(SvNetlimitAlpha, sv_netlimit_alpha, 50, 1, 100, CFGFLAG_SERVER,
MACRO_CONFIG_INT(SvConnlimit, sv_connlimit, 4, 0, 100, CFGFLAG_SERVER, "Connlimit: Number of connections an IP is allowed to do in a timespan")
MACRO_CONFIG_INT(SvConnlimitTime, sv_connlimit_time, 20, 0, 1000, CFGFLAG_SERVER, "Connlimit: Time in which IP's connections are counted")
#if defined(CONF_FAMILY_UNIX)
MACRO_CONFIG_STR(SvConnLoggingServer, sv_conn_logging_server, 128, "", CFGFLAG_SERVER, "Unix socket server for IP address logging")
#endif
MACRO_CONFIG_INT(ClUnpredictedShadow, cl_unpredicted_shadow, 0, 0, 1, CFGFLAG_CLIENT|CFGFLAG_SAVE, "Show unpredicted shadow tee to estimate your delay")
MACRO_CONFIG_INT(ClPredictDDRace, cl_predict_ddrace, 1, 0, 1, CFGFLAG_CLIENT|CFGFLAG_SAVE, "Predict some DDRace tiles")
MACRO_CONFIG_INT(ClShowNinja, cl_show_ninja, 1, 0, 1, CFGFLAG_CLIENT|CFGFLAG_SAVE, "Show ninja skin")