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|
/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
* E-mail:
* <brain@chatspike.net>
* <Craig@chatspike.net>
*
* Written by Craig Edwards, Craig McLure, and others.
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
using namespace std;
#include <stdio.h>
#include <string>
#include <stdlib.h>
#include <time.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <fcntl.h>
#include <poll.h>
#include "users.h"
#include "channels.h"
#include "modules.h"
#include "inspircd.h"
#include "helperfuncs.h"
#include "m_sql.h"
/* $ModDesc: Allows storage of oper credentials in an SQL table */
Server *Srv;
class ModuleSQLOper : public Module
{
ConfigReader* Conf;
unsigned long dbid;
Module* SQLModule;
public:
bool ReadConfig()
{
dbid = Conf->ReadInteger("sqloper","dbid",0,true); // database id of a database configured in m_sql (see m_sql config)
SQLModule = Srv->FindModule("m_sql.so");
if (!SQLModule)
Srv->Log(DEFAULT,"WARNING: m_sqloper.so could not initialize because m_sql.so is not loaded. Load the module and rehash your server.");
return (SQLModule);
}
ModuleSQLOper()
{
Srv = new Server;
Conf = new ConfigReader();
ReadConfig();
}
virtual void OnRehash()
{
delete Conf;
Conf = new ConfigReader();
ReadConfig();
}
virtual int OnPreCommand(std::string command, char **parameters, int pcnt, userrec *user)
{
if (command == "OPER")
{
if (LookupOper(parameters[0],parameters[1],user))
return 1;
}
return 0;
}
bool LookupOper(std::string username, std::string password, userrec* user)
{
bool found = false;
// is the sql module loaded? If not, we don't attempt to do anything.
if (!SQLModule)
return false;
// sanitize the password (we dont want any mysql insertion exploits!)
std::string temp = "";
for (unsigned int q = 0; q < password.length(); q++)
{
if (password[q] == '\'')
{
temp = temp + "\'";
}
else if (password[q] == '"')
{
temp = temp + "\\\"";
}
else temp = temp + password[q];
}
password = temp;
temp = "";
for (unsigned int v = 0; v < username.length(); v++)
{
if (username[v] == '\'')
{
temp = temp + "\'";
}
if (username[v] == '"')
{
temp = temp + "\\\"";
}
else temp = temp + username[v];
}
username = temp;
// Create a request containing the SQL query and send it to m_sql.so
SQLRequest* query = new SQLRequest(SQL_RESULT,dbid,"SELECT username,password,hostname,type FROM ircd_opers WHERE username='"+username+"' AND password=md5('"+password+"')");
Request queryrequest((char*)query, this, SQLModule);
SQLResult* result = (SQLResult*)queryrequest.Send();
// Did we get "OK" as a result?
if (result->GetType() == SQL_OK)
{
Srv->Log(DEBUG,"An SQL based oper exists");
// if we did, this means we may now request a row... there should be only one row for each user, so,
// we don't need to loop to fetch multiple rows.
SQLRequest* rowrequest = new SQLRequest(SQL_ROW,dbid,"");
Request rowquery((char*)rowrequest, this, SQLModule);
SQLResult* rowresult = (SQLResult*)rowquery.Send();
// did we get a row? If we did, we can now do something with the fields
if (rowresult->GetType() == SQL_ROW)
{
if (rowresult->GetField("username") == username)
{
found = true;
// oper up the user.
for (int j =0; j < Conf->Enumerate("type"); j++)
{
std::string TypeName = Conf->ReadValue("type","name",j);
std::string pattern = std::string(user->ident) + "@" + std::string(user->host);
if ((TypeName == rowresult->GetField("type")) && (Srv->MatchText(pattern,rowresult->GetField("hostname"))));
{
/* found this oper's opertype */
std::string HostName = Conf->ReadValue("type","host",j);
if (HostName != "")
Srv->ChangeHost(user,HostName);
strlcpy(user->oper,TypeName.c_str(),NICKMAX);
WriteOpers("*** %s (%s@%s) is now an IRC operator of type %s",user->nick,user->ident,user->host,rowresult->GetField("type").c_str());
WriteServ(user->fd,"381 %s :You are now an IRC operator of type %s",user->nick,rowresult->GetField("type").c_str());
if (!strchr(user->modes,'o'))
{
strcat(user->modes,"o");
WriteServ(user->fd,"MODE %s :+o",user->nick);
Module* Logger = Srv->FindModule("m_sqllog.so");
if (Logger)
Logger->OnOper(user);
AddOper(user);
log(DEFAULT,"OPER: %s!%s@%s opered as type: %s",user->nick,user->ident,user->host,rowresult->GetField("type").c_str());
}
break;
}
}
}
delete rowresult;
}
else
{
// we didn't have a row.
found = false;
}
delete rowrequest;
delete result;
}
else
{
// the query was bad
found = false;
}
query->SetQueryType(SQL_DONE);
query->SetConnID(dbid);
Request donerequest((char*)query, this, SQLModule);
donerequest.Send();
delete query;
return found;
}
virtual ~ModuleSQLOper()
{
delete Conf;
delete Srv;
}
virtual Version GetVersion()
{
return Version(1,0,0,1,VF_VENDOR);
}
};
class ModuleSQLOperFactory : public ModuleFactory
{
public:
ModuleSQLOperFactory()
{
}
~ModuleSQLOperFactory()
{
}
virtual Module * CreateModule()
{
return new ModuleSQLOper;
}
};
extern "C" void * init_module( void )
{
return new ModuleSQLOperFactory;
}
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