-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/* +------------------------------------+
+ * | Inspire Internet Relay Chat Daemon |
+ * +------------------------------------+
*
- * InspIRCd: (C) 2002-2008 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ * InspIRCd: (C) 2002-2010 InspIRCd Development Team
+ * See: http://wiki.inspircd.org/Credits
*
* This program is free but copyrighted software; see
- * the file COPYING for details.
+ * the file COPYING for details.
*
* ---------------------------------------------------
*/
#include "inspircd.h"
#include <sqlite3.h>
-#include "users.h"
-#include "channels.h"
-#include "modules.h"
#include "m_sqlv2.h"
/* $ModDesc: sqlite3 provider */
class SQLConn;
class SQLite3Result;
class ResultNotifier;
+class SQLiteListener;
+class ModuleSQLite3;
typedef std::map<std::string, SQLConn*> ConnMap;
typedef std::deque<classbase*> paramlist;
typedef std::deque<SQLite3Result*> ResultQueue;
-ResultNotifier* resultnotify = NULL;
-ResultNotifier* resultdispatch = NULL;
-int QueueFD = -1;
-
-class ResultNotifier : public BufferedSocket
+static unsigned long count(const char * const str, char a)
{
- Module* mod;
- insp_sockaddr sock_us;
- socklen_t uslen;
-
- public:
- /* Create a socket on a random port. Let the tcp stack allocate us an available port */
-#ifdef IPV6
- ResultNotifier(InspIRCd* SI, Module* m) : BufferedSocket(SI, "::1", 0, true, 3000), mod(m)
-#else
- ResultNotifier(InspIRCd* SI, Module* m) : BufferedSocket(SI, "127.0.0.1", 0, true, 3000), mod(m)
-#endif
- {
- uslen = sizeof(sock_us);
- if (getsockname(this->fd,(sockaddr*)&sock_us,&uslen))
- {
- throw ModuleException("Could not create random listening port on localhost");
- }
- }
-
- ResultNotifier(InspIRCd* SI, Module* m, int newfd, char* ip) : BufferedSocket(SI, newfd, ip), mod(m)
- {
- }
-
- /* Using getsockname and ntohs, we can determine which port number we were allocated */
- int GetPort()
+ unsigned long n = 0;
+ for (const char *p = str; *p; ++p)
{
-#ifdef IPV6
- return ntohs(sock_us.sin6_port);
-#else
- return ntohs(sock_us.sin_port);
-#endif
+ if (*p == '?')
+ ++n;
}
-
- virtual int OnIncomingConnection(int newsock, char* ip)
- {
- resultdispatch = new ResultNotifier(Instance, mod, newsock, ip);
- return true;
- }
-
- virtual bool OnDataReady()
- {
- char data = 0;
- if (Instance->SE->Recv(this, &data, 1, 0) > 0)
- {
- Dispatch();
- return true;
- }
- return false;
- }
-
- void Dispatch();
-};
-
+ return n;
+}
class SQLite3Result : public SQLresult
{
{
private:
ResultQueue results;
- InspIRCd* Instance;
Module* mod;
SQLhost host;
sqlite3* conn;
public:
- SQLConn(InspIRCd* SI, Module* m, const SQLhost& hi)
- : Instance(SI), mod(m), host(hi)
+ SQLConn(Module* m, const SQLhost& hi)
+ : mod(m), host(hi)
{
if (OpenDB() != SQLITE_OK)
{
- Instance->Logs->Log("m_sqlite3",DEFAULT, "WARNING: Could not open DB with id: " + host.id);
+ ServerInstance->Logs->Log("m_sqlite3",DEFAULT, "WARNING: Could not open DB with id: " + host.id);
CloseDB();
}
}
char* queryend;
/* Total length of the unescaped parameters */
- unsigned long paramlen;
+ unsigned long maxparamlen, paramcount;
- /* Total length of query, used for binary-safety in mysql_real_query */
- unsigned long querylength = 0;
+ /* The length of the longest parameter */
+ maxparamlen = 0;
- paramlen = 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 mysql_real_escape_string
+ * The +1 is for null-terminating the string
*/
- query = new char[req.query.q.length() + (paramlen*2) + 1];
+
+ query = new char[req.query.q.length() + (maxparamlen*paramcount*2) + 1];
queryend = query;
for(unsigned long i = 0; i < req.query.q.length(); i++)
{
if(req.query.q[i] == '?')
{
- if(req.query.p.size())
+ /* We found a place to substitute..what fun.
+ * use sqlite calls to escape and write the
+ * escaped string onto the end of our query buffer,
+ * then we "just" need to make sure queryend is
+ * pointing at the right place.
+ */
+
+ /* 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)
+ {
+ char* escaped;
+ escaped = sqlite3_mprintf("%q", paramscopy[paramnum].c_str());
+ for (char* n = escaped; *n; n++)
+ {
+ *queryend = *n;
+ queryend++;
+ }
+ sqlite3_free(escaped);
+ }
+ else if (req.query.p.size())
{
char* escaped;
escaped = sqlite3_mprintf("%q", req.query.p.front().c_str());
*queryend = req.query.q[i];
queryend++;
}
- querylength++;
}
*queryend = 0;
req.query.q = query;
- SQLite3Result* res = new SQLite3Result(mod, req.GetSource(), req.id);
+ SQLite3Result* res = new SQLite3Result(mod, req.source, req.id);
res->dbid = host.id;
res->query = req.query.q;
paramlist params;
delete[] query;
results.push_back(res);
- SendNotify();
+ SendResults();
return SQLerror();
}
int OpenDB()
{
- return sqlite3_open(host.host.c_str(), &conn);
+ return sqlite3_open_v2(host.host.c_str(), &conn, SQLITE_OPEN_READWRITE, 0);
}
void CloseDB()
while (results.size())
{
SQLite3Result* res = results[0];
- if (res->GetDest())
+ if (res->dest)
{
res->Send();
}
}
}
- void SendNotify()
- {
- if (QueueFD < 0)
- {
- if ((QueueFD = socket(AF_FAMILY, SOCK_STREAM, 0)) == -1)
- {
- /* crap, we're out of sockets... */
- return;
- }
-
- insp_sockaddr addr;
-
-#ifdef IPV6
- insp_aton("::1", &addr.sin6_addr);
- addr.sin6_family = AF_FAMILY;
- addr.sin6_port = htons(resultnotify->GetPort());
-#else
- insp_inaddr ia;
- insp_aton("127.0.0.1", &ia);
- addr.sin_family = AF_FAMILY;
- addr.sin_addr = ia;
- addr.sin_port = htons(resultnotify->GetPort());
-#endif
-
- if (connect(QueueFD, (sockaddr*)&addr,sizeof(addr)) == -1)
- {
- /* wtf, we cant connect to it, but we just created it! */
- return;
- }
- }
- char id = 0;
- send(QueueFD, &id, 1, 0);
- }
-
};
private:
ConnMap connections;
unsigned long currid;
+ ServiceProvider sqlserv;
public:
- ModuleSQLite3(InspIRCd* Me)
- : Module::Module(Me), currid(0)
+ ModuleSQLite3()
+ : currid(0), sqlserv(this, "SQL/sqlite", SERVICE_DATA)
{
- ServerInstance->Modules->UseInterface("SQLutils");
-
- if (!ServerInstance->Modules->PublishFeature("SQL", this))
- {
- throw ModuleException("m_sqlite3: Unable to publish feature 'SQL'");
- }
-
- resultnotify = new ResultNotifier(ServerInstance, this);
ReadConf();
- ServerInstance->Modules->PublishInterface("SQL", this);
- Implementation eventlist[] = { I_OnRequest, I_OnRehash };
- ServerInstance->Modules->Attach(eventlist, this, 2);
+ Implementation eventlist[] = { I_OnRehash };
+ ServerInstance->Modules->Attach(eventlist, this, 1);
}
virtual ~ModuleSQLite3()
{
ClearQueue();
ClearAllConnections();
-
- ServerInstance->SE->DelFd(resultnotify);
- resultnotify->Close();
- ServerInstance->BufferedSocketCull();
-
- if (QueueFD >= 0)
- {
- shutdown(QueueFD, 2);
- close(QueueFD);
- }
-
- if (resultdispatch)
- {
- ServerInstance->SE->DelFd(resultdispatch);
- resultdispatch->Close();
- ServerInstance->BufferedSocketCull();
- }
-
- ServerInstance->Modules->UnpublishInterface("SQL", this);
- ServerInstance->Modules->UnpublishFeature("SQL");
- ServerInstance->Modules->DoneWithInterface("SQLutils");
- }
-
-
- void SendQueue()
- {
- for (ConnMap::iterator iter = connections.begin(); iter != connections.end(); iter++)
- {
- iter->second->SendResults();
- }
}
void ClearQueue()
bool HostInConf(const SQLhost &h)
{
- ConfigReader conf(ServerInstance);
+ ConfigReader conf;
for(int i = 0; i < conf.Enumerate("database"); i++)
{
SQLhost host;
{
ClearOldConnections();
- ConfigReader conf(ServerInstance);
+ ConfigReader conf;
for(int i = 0; i < conf.Enumerate("database"); i++)
{
SQLhost host;
SQLConn* newconn;
- newconn = new SQLConn(ServerInstance, this, hi);
+ newconn = new SQLConn(this, hi);
connections.insert(std::make_pair(hi.id, newconn));
}
}
}
- virtual void OnRehash(User* user, const std::string ¶meter)
+ virtual void OnRehash(User* user)
{
ReadConf();
}
- virtual const char* OnRequest(Request* request)
+ void OnRequest(Request& request)
{
- if(strcmp(SQLREQID, request->GetId()) == 0)
+ if(strcmp(SQLREQID, request.id) == 0)
{
- SQLrequest* req = (SQLrequest*)request;
+ SQLrequest* req = (SQLrequest*)&request;
ConnMap::iterator iter;
if((iter = connections.find(req->dbid)) != connections.end())
{
req->id = NewID();
req->error = iter->second->Query(*req);
- return SQLSUCCESS;
}
else
{
req->error.Id(SQL_BAD_DBID);
- return NULL;
}
}
- return NULL;
}
unsigned long NewID()
virtual Version GetVersion()
{
- return Version("$Id$", VF_VENDOR | VF_SERVICEPROVIDER, API_VERSION);
+ return Version("sqlite3 provider", VF_VENDOR);
}
};
-void ResultNotifier::Dispatch()
-{
- ((ModuleSQLite3*)mod)->SendQueue();
-}
-
MODULE_INIT(ModuleSQLite3)