src/modules/extra/m_sqllog.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
   6  * See: http://www.inspircd.org/wiki/index.php/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *            the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 #include "inspircd.h"
  15 #include "users.h"
  16 #include "channels.h"
  17 #include "modules.h"
  18 #include "configreader.h"
  19 #include "m_sqlv2.h"
  20
  21 static Module* SQLModule;
  22 static Module* MyMod;
  23 static std::string dbid;
  24
  25 enum LogTypes { LT_OPER = 1, LT_KILL, LT_SERVLINK, LT_XLINE, LT_CONNECT, LT_DISCONNECT, LT_FLOOD, LT_LOADMODULE };
  26
  27 enum QueryState { FIND_SOURCE, FIND_NICK, FIND_HOST, DONE};
  28
  29 class QueryInfo;
  30
  31 std::map<unsigned long,QueryInfo*> active_queries;
  32
  33 class QueryInfo
  34 {
  35 public:
  36         QueryState qs;
  37         unsigned long id;
  38         std::string nick;
  39         std::string source;
  40         std::string hostname;
  41         int sourceid;
  42         int nickid;
  43         int hostid;
  44         int category;
  45         time_t date;
  46         bool insert;
  47
  48         QueryInfo(const std::string &n, const std::string &s, const std::string &h, unsigned long i, int cat)
  49         {
  50                 qs = FIND_SOURCE;
  51                 nick = n;
  52                 source = s;
  53                 hostname = h;
  54                 id = i;
  55                 category = cat;
  56                 sourceid = nickid = hostid = -1;
  57                 date = time(NULL);
  58                 insert = false;
  59         }
  60
  61         void Go(SQLresult* res)
  62         {
  63                 SQLrequest req = SQLrequest(MyMod, SQLModule, dbid, SQLquery(""));
  64                 switch (qs)
  65                 {
  66                         case FIND_SOURCE:
  67                                 if (res->Rows() && sourceid == -1 && !insert)
  68                                 {
  69                                         sourceid = atoi(res->GetValue(0,0).d.c_str());
  70                                         req = SQLrequest(MyMod, SQLModule, dbid, SQLquery("SELECT id,actor FROM ircd_log_actors WHERE actor='?'") % nick);
  71                                         if(req.Send())
  72                                         {
  73                                                 insert = false;
  74                                                 qs = FIND_NICK;
  75                                                 active_queries[req.id] = this;
  76                                         }
  77                                 }
  78                                 else if (res->Rows() && sourceid == -1 && insert)
  79                                 {
  80                                         req = SQLrequest(MyMod, SQLModule, dbid, SQLquery("SELECT id,actor FROM ircd_log_actors WHERE actor='?'") % source);
  81                                         if(req.Send())
  82                                         {
  83                                                 insert = false;
  84                                                 qs = FIND_SOURCE;
  85                                                 active_queries[req.id] = this;
  86                                         }
  87                                 }
  88                                 else
  89                                 {
  90                                         req = SQLrequest(MyMod, SQLModule, dbid, SQLquery("INSERT INTO ircd_log_actors (actor) VALUES('?')") % source);
  91                                         if(req.Send())
  92                                         {
  93                                                 insert = true;
  94                                                 qs = FIND_SOURCE;
  95                                                 active_queries[req.id] = this;
  96                                         }
  97                                 }
  98                         break;
  99
 100                         case FIND_NICK:
 101                                 if (res->Rows() && nickid == -1 && !insert)
 102                                 {
 103                                         nickid = atoi(res->GetValue(0,0).d.c_str());
 104                                         req = SQLrequest(MyMod, SQLModule, dbid, SQLquery("SELECT id,hostname FROM ircd_log_hosts WHERE hostname='?'") % hostname);
 105                                         if(req.Send())
 106                                         {
 107                                                 insert = false;
 108                                                 qs = FIND_HOST;
 109                                                 active_queries[req.id] = this;
 110                                         }
 111                                 }
 112                                 else if (res->Rows() && nickid == -1 && insert)
 113                                 {
 114                                         req = SQLrequest(MyMod, SQLModule, dbid, SQLquery("SELECT id,actor FROM ircd_log_actors WHERE actor='?'") % nick);
 115                                         if(req.Send())
 116                                         {
 117                                                 insert = false;
 118                                                 qs = FIND_NICK;
 119                                                 active_queries[req.id] = this;
 120                                         }
 121                                 }
 122                                 else
 123                                 {
 124                                         req = SQLrequest(MyMod, SQLModule, dbid, SQLquery("INSERT INTO ircd_log_actors (actor) VALUES('?')") % nick);
 125                                         if(req.Send())
 126                                         {
 127                                                 insert = true;
 128                                                 qs = FIND_NICK;
 129                                                 active_queries[req.id] = this;
 130                                         }
 131                                 }
 132                         break;
 133
 134                         case FIND_HOST:
 135                                 if (res->Rows() && hostid == -1 && !insert)
 136                                 {
 137                                         hostid = atoi(res->GetValue(0,0).d.c_str());
 138                                         req = SQLrequest(MyMod, SQLModule, dbid,
 139                                                         SQLquery("INSERT INTO ircd_log (category_id,nick,host,source,dtime) VALUES('?','?','?','?','?')") % category % nickid % hostid % sourceid % date);
 140                                         if(req.Send())
 141                                         {
 142                                                 insert = true;
 143                                                 qs = DONE;
 144                                                 active_queries[req.id] = this;
 145                                         }
 146                                 }
 147                                 else if (res->Rows() && hostid == -1 && insert)
 148                                 {
 149                                         req = SQLrequest(MyMod, SQLModule, dbid, SQLquery("SELECT id,hostname FROM ircd_log_hosts WHERE hostname='?'") % hostname);
 150                                         if(req.Send())
 151                                         {
 152                                                 insert = false;
 153                                                 qs = FIND_HOST;
 154                                                 active_queries[req.id] = this;
 155                                         }
 156                                 }
 157                                 else
 158                                 {
 159                                         req = SQLrequest(MyMod, SQLModule, dbid, SQLquery("INSERT INTO ircd_log_hosts (hostname) VALUES('?')") % hostname);
 160                                         if(req.Send())
 161                                         {
 162                                                 insert = true;
 163                                                 qs = FIND_HOST;
 164                                                 active_queries[req.id] = this;
 165                                         }
 166                                 }
 167                         break;
 168
 169                         case DONE:
 170                                 std::map<unsigned long,QueryInfo*>::iterator x = active_queries.find(req.id);
 171                                 if (x != active_queries.end())
 172                                 {
 173                                         delete x->second;
 174                                         active_queries.erase(x);
 175                                 }
 176                         break;
 177                 }
 178         }
 179 };
 180
 181 /* $ModDesc: Logs network-wide data to an SQL database */
 182
 183 class ModuleSQLLog : public Module
 184 {
 185         ConfigReader* Conf;
 186
 187  public:
 188         ModuleSQLLog(InspIRCd* Me)
 189         : Module::Module(Me)
 190         {
 191                 ServerInstance->Modules->UseInterface("SQLutils");
 192                 ServerInstance->Modules->UseInterface("SQL");
 193
 194                 Module* SQLutils = ServerInstance->Modules->Find("m_sqlutils.so");
 195                 if (!SQLutils)
 196                         throw ModuleException("Can't find m_sqlutils.so. Please load m_sqlutils.so before m_sqlauth.so.");
 197
 198                 SQLModule = ServerInstance->Modules->FindFeature("SQL");
 199
 200                 OnRehash(NULL,"");
 201                 MyMod = this;
 202                 active_queries.clear();
 203
 204                 Implementation eventlist[] = { I_OnRehash, I_OnOper, I_OnGlobalOper, I_OnKill,
 205                         I_OnPreCommand, I_OnUserConnect, I_OnUserQuit, I_OnLoadModule, I_OnRequest };
 206                 ServerInstance->Modules->Attach(eventlist, this, 9);
 207         }
 208
 209         virtual ~ModuleSQLLog()
 210         {
 211                 ServerInstance->Modules->DoneWithInterface("SQL");
 212                 ServerInstance->Modules->DoneWithInterface("SQLutils");
 213         }
 214
 215         void Implements(char* List)
 216         {
 217                 List[I_OnRehash] = List[I_OnOper] = List[I_OnGlobalOper] = List[I_OnKill] = 1;
 218                 List[I_OnPreCommand] = List[I_OnUserConnect] = 1;
 219                 List[I_OnUserQuit] = List[I_OnLoadModule] = List[I_OnRequest] = 1;
 220         }
 221
 222         void ReadConfig()
 223         {
 224                 ConfigReader Conf(ServerInstance);
 225                 dbid = Conf.ReadValue("sqllog","dbid",0);       // database id of a database configured in sql module
 226         }
 227
 228         virtual void OnRehash(User* user, const std::string &parameter)
 229         {
 230                 ReadConfig();
 231         }
 232
 233         virtual char* OnRequest(Request* request)
 234         {
 235                 if(strcmp(SQLRESID, request->GetId()) == 0)
 236                 {
 237                         SQLresult* res;
 238                         std::map<unsigned long, QueryInfo*>::iterator n;
 239
 240                         res = static_cast<SQLresult*>(request);
 241                         n = active_queries.find(res->id);
 242
 243                         if (n != active_queries.end())
 244                         {
 245                                 n->second->Go(res);
 246                                 std::map<unsigned long, QueryInfo*>::iterator n = active_queries.find(res->id);
 247                                 active_queries.erase(n);
 248                         }
 249
 250                         return SQLSUCCESS;
 251                 }
 252
 253                 return NULL;
 254         }
 255
 256         void AddLogEntry(int category, const std::string &nick, const std::string &host, const std::string &source)
 257         {
 258                 // is the sql module loaded? If not, we don't attempt to do anything.
 259                 if (!SQLModule)
 260                         return;
 261
 262                 SQLrequest req = SQLrequest(this, SQLModule, dbid, SQLquery("SELECT id,actor FROM ircd_log_actors WHERE actor='?'") % source);
 263                 if(req.Send())
 264                 {
 265                         QueryInfo* i = new QueryInfo(nick, source, host, req.id, category);
 266                         i->qs = FIND_SOURCE;
 267                         active_queries[req.id] = i;
 268                 }
 269         }
 270
 271         virtual void OnOper(User* user, const std::string &opertype)
 272         {
 273                 AddLogEntry(LT_OPER,user->nick,user->host,user->server);
 274         }
 275
 276         virtual void OnGlobalOper(User* user)
 277         {
 278                 AddLogEntry(LT_OPER,user->nick,user->host,user->server);
 279         }
 280
 281         virtual int OnKill(User* source, User* dest, const std::string &reason)
 282         {
 283                 AddLogEntry(LT_KILL,dest->nick,dest->host,source->nick);
 284                 return 0;
 285         }
 286
 287         virtual int OnPreCommand(const std::string &command, const char** parameters, int pcnt, User *user, bool validated, const std::string &original_line)
 288         {
 289                 if ((command == "GLINE" || command == "KLINE" || command == "ELINE" || command == "ZLINE") && validated)
 290                 {
 291                         AddLogEntry(LT_XLINE,user->nick,command[0]+std::string(":")+std::string(parameters[0]),user->server);
 292                 }
 293                 return 0;
 294         }
 295
 296         virtual void OnUserConnect(User* user)
 297         {
 298                 AddLogEntry(LT_CONNECT,user->nick,user->host,user->server);
 299         }
 300
 301         virtual void OnUserQuit(User* user, const std::string &reason, const std::string &oper_message)
 302         {
 303                 AddLogEntry(LT_DISCONNECT,user->nick,user->host,user->server);
 304         }
 305
 306         virtual void OnLoadModule(Module* mod, const std::string &name)
 307         {
 308                 AddLogEntry(LT_LOADMODULE,name,ServerInstance->Config->ServerName, ServerInstance->Config->ServerName);
 309         }
 310
 311         virtual Version GetVersion()
 312         {
 313                 return Version(1,1,0,1,VF_VENDOR,API_VERSION);
 314         }
 315
 316 };
 317
 318 MODULE_INIT(ModuleSQLLog)