* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * InspIRCd: (C) 2002-2008 InspIRCd Development Team
+ * InspIRCd: (C) 2002-2009 InspIRCd Development Team
* See: http://www.inspircd.org/wiki/index.php/Credits
*
* This program is free but copyrighted software; see
#include <cstdlib>
#include <sstream>
#include <libpq-fe.h>
-#include "users.h"
-#include "channels.h"
-#include "modules.h"
-#include "configreader.h"
#include "m_sqlv2.h"
/* $ModDesc: PostgreSQL Service Provider module for all other m_sql* modules, uses v2 of the SQL API */
*/
enum SQLstatus { CREAD, CWRITE, WREAD, WWRITE, RREAD, RWRITE };
+unsigned long count(const char * const str, char a)
+{
+ unsigned long n = 0;
+ for (const char *p = reinterpret_cast<const char *>(str); *p; ++p)
+ {
+ if (*p == '?')
+ ++n;
+ }
+ return n;
+}
+
/** SQLhost::GetDSN() - Overload to return correct DSN for PostgreSQL
*/
std::string SQLhost::GetDSN()
class ReconnectTimer : public Timer
{
- private:
+ private:
Module* mod;
- public:
+ public:
ReconnectTimer(InspIRCd* SI, Module* m)
: Timer(5, SI->Time(), false), mod(m)
{
*/
class SQLConn : public EventHandler
{
- private:
- InspIRCd* Instance;
+ private:
+ InspIRCd* ServerInstance;
SQLhost confhost; /* The <database> entry */
Module* us; /* Pointer to the SQL provider itself */
PGconn* sql; /* PgSQL database connection handle */
QueryQueue queue; /* Queue of queries waiting to be executed on this connection */
time_t idle; /* Time we last heard from the database */
- public:
+ public:
SQLConn(InspIRCd* SI, Module* self, const SQLhost& hi)
- : EventHandler(), Instance(SI), confhost(hi), us(self), sql(NULL), status(CWRITE), qinprog(false)
+ : EventHandler(), ServerInstance(SI), confhost(hi), us(self), sql(NULL), status(CWRITE), qinprog(false)
{
- idle = this->Instance->Time();
+ idle = this->ServerInstance->Time();
if(!DoConnect())
{
- Instance->Logs->Log("m_pgsql",DEFAULT, "WARNING: Could not connect to database with id: " + ConvToStr(hi.id));
+ ServerInstance->Logs->Log("m_pgsql",DEFAULT, "WARNING: Could not connect to database with id: " + ConvToStr(hi.id));
DelayReconnect();
}
}
if(this->fd <= -1)
return false;
- if (!this->Instance->SE->AddFd(this))
+ if (!this->ServerInstance->SE->AddFd(this))
{
- Instance->Logs->Log("m_pgsql",DEBUG, "BUG: Couldn't add pgsql socket to socket engine");
+ ServerInstance->Logs->Log("m_pgsql",DEBUG, "BUG: Couldn't add pgsql socket to socket engine");
return false;
}
switch(PQconnectPoll(sql))
{
case PGRES_POLLING_WRITING:
- Instance->SE->WantWrite(this);
+ ServerInstance->SE->WantWrite(this);
status = CWRITE;
return true;
case PGRES_POLLING_READING:
/* We just read stuff from the server, that counts as it being alive
* so update the idle-since time :p
*/
- idle = this->Instance->Time();
+ idle = this->ServerInstance->Time();
if (PQisBusy(sql))
{
case PGRES_EMPTY_QUERY:
case PGRES_BAD_RESPONSE:
case PGRES_FATAL_ERROR:
- reply.error.Id(QREPLY_FAIL);
+ reply.error.Id(SQL_QREPLY_FAIL);
reply.error.Str(PQresultErrorMessage(result));
- default:;
+ default:
+ ;
/* No action, other values are not errors */
}
switch(PQresetPoll(sql))
{
case PGRES_POLLING_WRITING:
- Instance->SE->WantWrite(this);
+ ServerInstance->SE->WantWrite(this);
status = CWRITE;
return DoPoll();
case PGRES_POLLING_READING:
char* query;
/* Pointer to the current end of query, where we append new stuff */
char* queryend;
+
/* Total length of the unescaped parameters */
- unsigned int paramlen;
+ unsigned long maxparamlen, paramcount;
- paramlen = 0;
+ /* The length of the longest parameter */
+ maxparamlen = 0;
for(ParamL::iterator i = req.query.p.begin(); i != req.query.p.end(); i++)
{
- paramlen += i->size();
+ if (i->size() > maxparamlen)
+ maxparamlen = i->size();
}
+ /* How many params are there in the query? */
+ paramcount = count(req.query.q.c_str(), '?');
+
+ /* This stores copy of params to be inserted with using numbered params 1;3B*/
+ ParamL paramscopy(req.query.p);
+
/* To avoid a lot of allocations, allocate enough memory for the biggest the escaped query could possibly be.
- * sizeofquery + (totalparamlength*2) + 1
+ * sizeofquery + (maxtotalparamlength*2) + 1
*
* The +1 is for null-terminating the string for PQsendQuery()
*/
- query = new char[req.query.q.length() + (paramlen*2) + 1];
+ query = new char[req.query.q.length() + (maxparamlen*paramcount*2) + 1];
queryend = query;
/* Okay, now we have a buffer large enough we need to start copying the query into it and escaping and substituting
* pointing at the right place.
*/
- if(req.query.p.size())
+ /* Is it numbered parameter?
+ */
+
+ bool numbered;
+ numbered = false;
+
+ /* Numbered parameter number :|
+ */
+ unsigned int paramnum;
+ paramnum = 0;
+
+ /* Let's check if it's a numbered param. And also calculate it's number.
+ */
+
+ while ((i < req.query.q.length() - 1) && (req.query.q[i+1] >= '0') && (req.query.q[i+1] <= '9'))
+ {
+ numbered = true;
+ ++i;
+ paramnum = paramnum * 10 + req.query.q[i] - '0';
+ }
+
+ if (paramnum > paramscopy.size() - 1)
+ {
+ /* index is out of range!
+ */
+ numbered = false;
+ }
+
+ if (numbered)
+ {
+ int error = 0;
+ size_t len = 0;
+
+#ifdef PGSQL_HAS_ESCAPECONN
+ len = PQescapeStringConn(sql, queryend, paramscopy[paramnum].c_str(), paramscopy[paramnum].length(), &error);
+#else
+ len = PQescapeString (queryend, paramscopy[paramnum].c_str(), paramscopy[paramnum].length());
+#endif
+ if (error)
+ {
+ ServerInstance->Logs->Log("m_pgsql", DEBUG, "BUG: Apparently PQescapeStringConn() failed somehow...don't know how or what to do...");
+ }
+
+ /* Incremenet queryend to the end of the newly escaped parameter */
+ queryend += len;
+ }
+ else if (req.query.p.size())
{
int error = 0;
size_t len = 0;
#endif
if(error)
{
- Instance->Logs->Log("m_pgsql",DEBUG, "BUG: Apparently PQescapeStringConn() failed somehow...don't know how or what to do...");
+ ServerInstance->Logs->Log("m_pgsql",DEBUG, "BUG: Apparently PQescapeStringConn() failed somehow...don't know how or what to do...");
}
/* Incremenet queryend to the end of the newly escaped parameter */
}
else
{
- Instance->Logs->Log("m_pgsql",DEBUG, "BUG: Found a substitution location but no parameter to substitute :|");
+ ServerInstance->Logs->Log("m_pgsql",DEBUG, "BUG: Found a substitution location but no parameter to substitute :|");
break;
}
}
else
{
delete[] query;
- return SQLerror(QSEND_FAIL, PQerrorMessage(sql));
+ return SQLerror(SQL_QSEND_FAIL, PQerrorMessage(sql));
}
}
}
- return SQLerror(BAD_CONN, "Can't query until connection is complete");
+ return SQLerror(SQL_BAD_CONN, "Can't query until connection is complete");
}
SQLerror Query(const SQLrequest &req)
return confhost;
}
- void Close() {
- if (!this->Instance->SE->DelFd(this))
+ void Close()
+ {
+ if (!this->ServerInstance->SE->DelFd(this))
{
if (sql && PQstatus(sql) == CONNECTION_BAD)
{
- this->Instance->SE->DelFd(this, true);
+ this->ServerInstance->SE->DelFd(this, true);
}
else
{
- Instance->Logs->Log("m_pgsql",DEBUG, "BUG: PQsocket cant be removed from socket engine!");
+ ServerInstance->Logs->Log("m_pgsql",DEBUG, "BUG: PQsocket cant be removed from socket engine!");
}
}
class ModulePgSQL : public Module
{
- private:
+ private:
ConnMap connections;
unsigned long currid;
char* sqlsuccess;
ReconnectTimer* retimer;
- public:
+ public:
ModulePgSQL(InspIRCd* Me)
- : Module::Module(Me), currid(0)
+ : Module(Me), currid(0)
{
ServerInstance->Modules->UseInterface("SQLutils");
req->id = NewID();
req->error = iter->second->Query(*req);
- return (req->error.Id() == NO_ERROR) ? sqlsuccess : NULL;
+ return (req->error.Id() == SQL_NO_ERROR) ? sqlsuccess : NULL;
}
else
{
- req->error.Id(BAD_DBID);
+ req->error.Id(SQL_BAD_DBID);
return NULL;
}
}
virtual Version GetVersion()
{
- return Version(1, 2, 0, 0, VF_VENDOR|VF_SERVICEPROVIDER, API_VERSION);
+ return Version("$Id$", VF_VENDOR|VF_SERVICEPROVIDER, API_VERSION);
}
};