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Implement show_ips to protect accidental leaking of IPs

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Marks all sensitive data with <{ }> and then filters that out when
show_ips is not set.
This commit is contained in:
def 2019-04-04 19:16:10 +02:00
parent b25c5275d5
commit 25c54ef4db
2 changed files with 59 additions and 9 deletions
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66
src/engine/server/server.cpp
View file

@ -257,6 +257,7 @@ void CServer::CClient::Reset()
m_Score = 0;
m_NextMapChunk = 0;
m_Flags = 0;
m_ShowIps = false;
}
CServer::CServer()
@ -931,7 +932,7 @@ int CServer::DelClientCallback(int ClientID, const char *pReason, void *pUser)
net_addr_str(pThis->m_NetServer.ClientAddr(ClientID), aAddrStr, sizeof(aAddrStr), true);
char aBuf[256];
str_format(aBuf, sizeof(aBuf), "client dropped. cid=%d addr=%s reason='%s'", ClientID, aAddrStr, pReason);
str_format(aBuf, sizeof(aBuf), "client dropped. cid=%d addr=<{%s}> reason='%s'", ClientID, aAddrStr, pReason);
pThis->Console()->Print(IConsole::OUTPUT_LEVEL_ADDINFO, "server", aBuf);
// notify the mod about the drop
@ -1049,10 +1050,36 @@ void CServer::SendRconLineAuthed(const char *pLine, void *pUser, bool Highlighte
if(ReentryGuard) return;
ReentryGuard++;
const char *pStart = str_find(pLine, "<{");
const char *pEnd = pStart == NULL ? NULL : str_find(pStart + 2, "}>");
const char *pLineWithoutIps;
char aLine[512];
char aLineWithoutIps[512];
aLine[0] = '\0';
aLineWithoutIps[0] = '\0';
if(pStart == NULL || pEnd == NULL)
{
pLineWithoutIps = pLine;
}
else
{
str_append(aLine, pLine, pStart - pLine + 1);
str_append(aLine, pStart + 2, pStart - pLine + pEnd - pStart - 2);
str_append(aLine, pEnd + 2, sizeof(aLine));
str_append(aLineWithoutIps, pLine, pStart - pLine + 1);
str_append(aLineWithoutIps, "XXX", sizeof(aLineWithoutIps));
str_append(aLineWithoutIps, pEnd + 2, sizeof(aLineWithoutIps));
pLine = aLine;
pLineWithoutIps = aLineWithoutIps;
}
for(i = 0; i < MAX_CLIENTS; i++)
{
if(pThis->m_aClients[i].m_State != CClient::STATE_EMPTY && pThis->m_aClients[i].m_Authed >= pThis->m_RconAuthLevel && (pThis->m_RconRestrict == -1 || pThis->m_RconRestrict == i))
pThis->SendRconLine(i, pLine);
pThis->SendRconLine(i, pThis->m_aClients[i].m_ShowIps ? pLine : pLineWithoutIps);
}
ReentryGuard--;
@ -1206,7 +1233,7 @@ void CServer::ProcessClientPacket(CNetChunk *pPacket)
net_addr_str(m_NetServer.ClientAddr(ClientID), aAddrStr, sizeof(aAddrStr), true);
char aBuf[256];
str_format(aBuf, sizeof(aBuf), "player is ready. ClientID=%d addr=%s secure=%s", ClientID, aAddrStr, m_NetServer.HasSecurityToken(ClientID)?"yes":"no");
str_format(aBuf, sizeof(aBuf), "player is ready. ClientID=%d addr=<{%s}> secure=%s", ClientID, aAddrStr, m_NetServer.HasSecurityToken(ClientID)?"yes":"no");
Console()->Print(IConsole::OUTPUT_LEVEL_ADDINFO, "server", aBuf);
m_aClients[ClientID].m_State = CClient::STATE_READY;
GameServer()->OnClientConnected(ClientID);
@ -1222,7 +1249,7 @@ void CServer::ProcessClientPacket(CNetChunk *pPacket)
net_addr_str(m_NetServer.ClientAddr(ClientID), aAddrStr, sizeof(aAddrStr), true);
char aBuf[256];
str_format(aBuf, sizeof(aBuf), "player has entered the game. ClientID=%d addr=%s", ClientID, aAddrStr);
str_format(aBuf, sizeof(aBuf), "player has entered the game. ClientID=%d addr=<{%s}>", ClientID, aAddrStr);
Console()->Print(IConsole::OUTPUT_LEVEL_STANDARD, "server", aBuf);
m_aClients[ClientID].m_State = CClient::STATE_INGAME;
GameServer()->OnClientEnter(ClientID);
@ -1962,7 +1989,7 @@ int CServer::Run()
char aBuf[256];
str_format(aBuf, sizeof(aBuf), "ClientID=%d addr=%s secure=%s blacklisted", ClientID, aAddrStr, m_NetServer.HasSecurityToken(ClientID)?"yes":"no");
str_format(aBuf, sizeof(aBuf), "ClientID=%d addr=<{%s}> secure=%s blacklisted", ClientID, aAddrStr, m_NetServer.HasSecurityToken(ClientID)?"yes":"no");
Console()->Print(IConsole::OUTPUT_LEVEL_ADDINFO, "dnsbl", aBuf);
}
@ -2165,13 +2192,13 @@ void CServer::ConStatus(IConsole::IResult *pResult, void *pUser)
str_format(aAuthStr, sizeof(aAuthStr), " key=%s %s", pThis->m_AuthManager.KeyIdent(pThis->m_aClients[i].m_AuthKey), pAuthStr);
}
str_format(aBuf, sizeof(aBuf), "id=%d addr='%s' name='%s' client=%d secure=%s flags=%d%s%s",
str_format(aBuf, sizeof(aBuf), "id=%d addr=<{%s}> name='%s' client=%d secure=%s flags=%d%s%s",
i, aAddrStr, pThis->m_aClients[i].m_aName, pThis->GameServer()->GetClientVersion(i),
pThis->m_NetServer.HasSecurityToken(i) ? "yes" : "no", pThis->m_aClients[i].m_Flags, aDnsblStr, aAuthStr);
}
else
{
str_format(aBuf, sizeof(aBuf), "id=%d addr=%s connecting", i, aAddrStr);
str_format(aBuf, sizeof(aBuf), "id=%d addr=<{%s}> connecting", i, aAddrStr);
}
pThis->Console()->Print(IConsole::OUTPUT_LEVEL_STANDARD, "Server", aBuf);
}
@ -2554,6 +2581,26 @@ void CServer::ConLogout(IConsole::IResult *pResult, void *pUser)
}
}
void CServer::ConShowIps(IConsole::IResult *pResult, void *pUser)
{
CServer *pServer = (CServer *)pUser;
if(pServer->m_RconClientID >= 0 && pServer->m_RconClientID < MAX_CLIENTS &&
pServer->m_aClients[pServer->m_RconClientID].m_State != CServer::CClient::STATE_EMPTY)
{
if(pResult->NumArguments())
{
pServer->m_aClients[pServer->m_RconClientID].m_ShowIps = pResult->GetInteger(0);
}
else
{
char aBuf[9];
str_format(aBuf, sizeof(aBuf), "Value: %d", pServer->m_aClients[pServer->m_RconClientID].m_ShowIps);
pServer->SendRconLine(pServer->m_RconClientID, aBuf);
}
}
}
#if defined (CONF_SQL)
void CServer::ConAddSqlServer(IConsole::IResult *pResult, void *pUserData)
@ -2591,7 +2638,7 @@ void CServer::ConAddSqlServer(IConsole::IResult *pResult, void *pUserData)
thread_init(CreateTablesThread, apSqlServers[i], "CreateTables");
char aBuf[512];
str_format(aBuf, sizeof(aBuf), "Added new Sql%sServer: %d: DB: '%s' Prefix: '%s' User: '%s' IP: '%s' Port: %d", ReadOnly ? "Read" : "Write", i, apSqlServers[i]->GetDatabase(), apSqlServers[i]->GetPrefix(), apSqlServers[i]->GetUser(), apSqlServers[i]->GetIP(), apSqlServers[i]->GetPort());
str_format(aBuf, sizeof(aBuf), "Added new Sql%sServer: %d: DB: '%s' Prefix: '%s' User: '%s' IP: <{'%s'}> Port: %d", ReadOnly ? "Read" : "Write", i, apSqlServers[i]->GetDatabase(), apSqlServers[i]->GetPrefix(), apSqlServers[i]->GetUser(), apSqlServers[i]->GetIP(), apSqlServers[i]->GetPort());
pSelf->Console()->Print(IConsole::OUTPUT_LEVEL_STANDARD, "server", aBuf);
return;
}
@ -2620,7 +2667,7 @@ void CServer::ConDumpSqlServers(IConsole::IResult *pResult, void *pUserData)
if (apSqlServers[i])
{
char aBuf[512];
str_format(aBuf, sizeof(aBuf), "SQL-%s %d: DB: '%s' Prefix: '%s' User: '%s' Pass: '%s' IP: '%s' Port: %d", ReadOnly ? "Read" : "Write", i, apSqlServers[i]->GetDatabase(), apSqlServers[i]->GetPrefix(), apSqlServers[i]->GetUser(), apSqlServers[i]->GetPass(), apSqlServers[i]->GetIP(), apSqlServers[i]->GetPort());
str_format(aBuf, sizeof(aBuf), "SQL-%s %d: DB: '%s' Prefix: '%s' User: '%s' Pass: '%s' IP: <{'%s'}> Port: %d", ReadOnly ? "Read" : "Write", i, apSqlServers[i]->GetDatabase(), apSqlServers[i]->GetPrefix(), apSqlServers[i]->GetUser(), apSqlServers[i]->GetPass(), apSqlServers[i]->GetIP(), apSqlServers[i]->GetPort());
pSelf->Console()->Print(IConsole::OUTPUT_LEVEL_STANDARD, "server", aBuf);
}
}
@ -2813,6 +2860,7 @@ void CServer::RegisterCommands()
Console()->Register("status", "", CFGFLAG_SERVER, ConStatus, this, "List players");
Console()->Register("shutdown", "", CFGFLAG_SERVER, ConShutdown, this, "Shut down");
Console()->Register("logout", "", CFGFLAG_SERVER, ConLogout, this, "Logout of rcon");
Console()->Register("show_ips", "?i[show]", CFGFLAG_SERVER, ConShowIps, this, "Show IP addresses in rcon commands (1 = on, 0 = off)");
Console()->Register("record", "?s[file]", CFGFLAG_SERVER|CFGFLAG_STORE, ConRecord, this, "Record to a file");
Console()->Register("stoprecord", "", CFGFLAG_SERVER, ConStopRecord, this, "Stop recording");

2
src/engine/server/server.h
View file

@ -168,6 +168,7 @@ public:
int m_AuthTries;
int m_NextMapChunk;
int m_Flags;
bool m_ShowIps;
const IConsole::CCommandInfo *m_pRconCmdToSend;
@ -316,6 +317,7 @@ public:
static void ConStopRecord(IConsole::IResult *pResult, void *pUser);
static void ConMapReload(IConsole::IResult *pResult, void *pUser);
static void ConLogout(IConsole::IResult *pResult, void *pUser);
static void ConShowIps(IConsole::IResult *pResult, void *pUser);
static void ConAuthAdd(IConsole::IResult *pResult, void *pUser);
static void ConAuthAddHashed(IConsole::IResult *pResult, void *pUser);