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Remove broken mssql module

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Issue #1006
This commit is contained in:
Attila Molnar 2016-08-23 19:51:06 +02:00
parent bcdc3b0bb0
commit a22f9e6b46
4 changed files with 0 additions and 882 deletions
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1
.gitignore vendored
View File

@ -16,7 +16,6 @@
/src/modules/m_geoip.cpp
/src/modules/m_ldap.cpp
/src/modules/m_mssql.cpp
/src/modules/m_mysql.cpp
/src/modules/m_pgsql.cpp
/src/modules/m_regex_pcre.cpp

15
docs/conf/modules.conf.example
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@ -1168,21 +1168,6 @@
# Set the maximum number of entries on a user's monitor list below.
#<monitor maxentries="30">
#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#
# MsSQL module: Allows other SQL modules to access MS SQL Server
# through a unified API.
# This module is in extras. Re-run configure with:
# ./configure --enable-extras=m_mssql.cpp
# and run make install, then uncomment this module to enable it.
#<module name="mssql">
#
#-#-#-#-#-#-#-#-#-#-#-#- SQL CONFIGURATION -#-#-#-#-#-#-#-#-#-#-#-#-#
# #
# mssql is more complex than described here, see the wiki for more #
# info http://wiki.inspircd.org/Modules/mssql #
#
#<database module="mssql" name="db" user="user" pass="pass" host="localhost" id="db1">
#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#
# MySQL module: Allows other SQL modules to access MySQL databases
# through a unified API.

9
extras/m_sqloper.mssql.sql
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@ -1,9 +0,0 @@
CREATE TABLE [dbo].[ircd_opers] (
[id] int IDENTITY(1, 1) NOT NULL,
[username] varchar(255) NULL,
[password] varchar(255) NULL,
[hostname] varchar(255) NULL,
[type] varchar(255) NULL,
[active] bit NOT NULL DEFAULT 1,
PRIMARY KEY CLUSTERED ([id])
)

857
src/modules/extra/m_mssql.cpp
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@ -1,857 +0,0 @@
/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2008-2009 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2008-2009 Craig Edwards <craigedwards@brainbox.cc>
* Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2008 Pippijn van Steenhoven <pip88nl@gmail.com>
*
* This file is part of InspIRCd. InspIRCd is free software: you can
* redistribute it and/or modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation, version 2.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "inspircd.h"
#include <tds.h>
#include <tdsconvert.h>
#include "m_sqlv2.h"
/* $CompileFlags: exec("grep VERSION_NO /usr/include/tdsver.h 2>/dev/null | perl -e 'print "-D_TDSVER=".((<> =~ /freetds v(\d+\.\d+)/i) ? $1*100 : 0);'") */
/* $LinkerFlags: -ltds */
class SQLConn;
class MsSQLResult;
class ModuleMsSQL;
typedef insp::flat_map<std::string, SQLConn*> ConnMap;
typedef std::deque<MsSQLResult*> ResultQueue;
unsigned long count(const char * const str, char a)
{
unsigned long n = 0;
for (const char *p = str; *p; ++p)
{
if (*p == '?')
++n;
}
return n;
}
ConnMap connections;
Mutex* ResultsMutex;
Mutex* LoggingMutex;
class QueryThread : public SocketThread
{
private:
ModuleMsSQL* const Parent;
public:
QueryThread(ModuleMsSQL* mod) : Parent(mod) { }
~QueryThread() { }
void Run();
void OnNotify();
};
class MsSQLResult : public SQLresult
{
private:
int currentrow;
int rows;
int cols;
std::vector<std::string> colnames;
std::vector<SQLfieldList> fieldlists;
SQLfieldList emptyfieldlist;
SQLfieldList* fieldlist;
SQLfieldMap* fieldmap;
public:
MsSQLResult(Module* self, Module* to, unsigned int rid)
: SQLresult(self, to, rid), currentrow(0), rows(0), cols(0), fieldlist(NULL), fieldmap(NULL)
{
}
void AddRow(int colsnum, char **dat, char **colname)
{
colnames.clear();
cols = colsnum;
for (int i = 0; i < colsnum; i++)
{
fieldlists.resize(fieldlists.size()+1);
colnames.push_back(colname[i]);
SQLfield sf(dat[i] ? dat[i] : "", dat[i] ? false : true);
fieldlists[rows].push_back(sf);
}
rows++;
}
void UpdateAffectedCount()
{
rows++;
}
int Rows()
{
return rows;
}
int Cols()
{
return cols;
}
std::string ColName(int column)
{
if (column < (int)colnames.size())
{
return colnames[column];
}
else
{
throw SQLbadColName();
}
return "";
}
int ColNum(const std::string &column)
{
for (unsigned int i = 0; i < colnames.size(); i++)
{
if (column == colnames[i])
return i;
}
throw SQLbadColName();
return 0;
}
SQLfield GetValue(int row, int column)
{
if ((row >= 0) && (row < rows) && (column >= 0) && (column < Cols()))
{
return fieldlists[row][column];
}
throw SQLbadColName();
/* XXX: We never actually get here because of the throw */
return SQLfield("",true);
}
SQLfieldList& GetRow()
{
if (currentrow < rows)
return fieldlists[currentrow];
else
return emptyfieldlist;
}
SQLfieldMap& GetRowMap()
{
/* In an effort to reduce overhead we don't actually allocate the map
* until the first time it's needed...so...
*/
if(fieldmap)
{
fieldmap->clear();
}
else
{
fieldmap = new SQLfieldMap;
}
if (currentrow < rows)
{
for (int i = 0; i < Cols(); i++)
{
fieldmap->insert(std::make_pair(ColName(i), GetValue(currentrow, i)));
}
currentrow++;
}
return *fieldmap;
}
SQLfieldList* GetRowPtr()
{
fieldlist = new SQLfieldList();
if (currentrow < rows)
{
for (int i = 0; i < Rows(); i++)
{
fieldlist->push_back(fieldlists[currentrow][i]);
}
currentrow++;
}
return fieldlist;
}
SQLfieldMap* GetRowMapPtr()
{
fieldmap = new SQLfieldMap();
if (currentrow < rows)
{
for (int i = 0; i < Cols(); i++)
{
fieldmap->insert(std::make_pair(colnames[i],GetValue(currentrow, i)));
}
currentrow++;
}
return fieldmap;
}
void Free(SQLfieldMap* fm)
{
delete fm;
}
void Free(SQLfieldList* fl)
{
delete fl;
}
};
class SQLConn : public classbase
{
private:
ResultQueue results;
Module* mod;
SQLhost host;
TDSLOGIN* login;
TDSSOCKET* sock;
TDSCONTEXT* context;
public:
QueryQueue queue;
SQLConn(Module* m, const SQLhost& hi)
: mod(m), host(hi), login(NULL), sock(NULL), context(NULL)
{
if (OpenDB())
{
std::string query("USE " + host.name);
if (tds_submit_query(sock, query.c_str()) == TDS_SUCCEED)
{
if (tds_process_simple_query(sock) != TDS_SUCCEED)
{
LoggingMutex->Lock();
ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "WARNING: Could not select database " + host.name + " for DB with id: " + host.id);
LoggingMutex->Unlock();
CloseDB();
}
}
else
{
LoggingMutex->Lock();
ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "WARNING: Could not select database " + host.name + " for DB with id: " + host.id);
LoggingMutex->Unlock();
CloseDB();
}
}
else
{
LoggingMutex->Lock();
ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "WARNING: Could not connect to DB with id: " + host.id);
LoggingMutex->Unlock();
CloseDB();
}
}
~SQLConn()
{
CloseDB();
}
SQLerror Query(SQLrequest* req)
{
if (!sock)
return SQLerror(SQL_BAD_CONN, "Socket was NULL, check if SQL server is running.");
/* Pointer to the buffer we screw around with substitution in */
char* query;
/* Pointer to the current end of query, where we append new stuff */
char* queryend;
/* Total length of the unescaped parameters */
unsigned long maxparamlen, paramcount;
/* The length of the longest parameter */
maxparamlen = 0;
for(ParamL::iterator i = req->query.p.begin(); i != req->query.p.end(); i++)
{
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 + (maxtotalparamlength*2) + 1
*
* The +1 is for null-terminating the string
*/
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] == '?')
{
/* We found a place to substitute..what fun.
* use mssql 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)
{
/* Custom escaping for this one. converting ' to '' should make SQL Server happy. Ugly but fast :]
*/
char* escaped = new char[(paramscopy[paramnum].length() * 2) + 1];
char* escend = escaped;
for (std::string::iterator p = paramscopy[paramnum].begin(); p < paramscopy[paramnum].end(); p++)
{
if (*p == '\'')
{
*escend = *p;
escend++;
*escend = *p;
}
*escend = *p;
escend++;
}
*escend = 0;
for (char* n = escaped; *n; n++)
{
*queryend = *n;
queryend++;
}
delete[] escaped;
}
else if (req->query.p.size())
{
/* Custom escaping for this one. converting ' to '' should make SQL Server happy. Ugly but fast :]
*/
char* escaped = new char[(req->query.p.front().length() * 2) + 1];
char* escend = escaped;
for (std::string::iterator p = req->query.p.front().begin(); p < req->query.p.front().end(); p++)
{
if (*p == '\'')
{
*escend = *p;
escend++;
*escend = *p;
}
*escend = *p;
escend++;
}
*escend = 0;
for (char* n = escaped; *n; n++)
{
*queryend = *n;
queryend++;
}
delete[] escaped;
req->query.p.pop_front();
}
else
break;
}
else
{
*queryend = req->query.q[i];
queryend++;
}
}
*queryend = 0;
req->query.q = query;
MsSQLResult* res = new MsSQLResult((Module*)mod, req->source, req->id);
res->dbid = host.id;
res->query = req->query.q;
char* msquery = strdup(req->query.q.data());
LoggingMutex->Lock();
ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "doing Query: %s",msquery);
LoggingMutex->Unlock();
if (tds_submit_query(sock, msquery) != TDS_SUCCEED)
{
std::string error("failed to execute: "+std::string(req->query.q.data()));
delete[] query;
delete res;
free(msquery);
return SQLerror(SQL_QSEND_FAIL, error);
}
delete[] query;
free(msquery);
int tds_res;
while (tds_process_tokens(sock, &tds_res, NULL, TDS_TOKEN_RESULTS) == TDS_SUCCEED)
{
//ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "<******> result type: %d", tds_res);
//ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "AFFECTED ROWS: %d", sock->rows_affected);
switch (tds_res)
{
case TDS_ROWFMT_RESULT:
break;
case TDS_DONE_RESULT:
if (sock->rows_affected > -1)
{
for (int c = 0; c < sock->rows_affected; c++) res->UpdateAffectedCount();
continue;
}
break;
case TDS_ROW_RESULT:
while (tds_process_tokens(sock, &tds_res, NULL, TDS_STOPAT_ROWFMT|TDS_RETURN_DONE|TDS_RETURN_ROW) == TDS_SUCCEED)
{
if (tds_res != TDS_ROW_RESULT)
break;
if (!sock->current_results)
continue;
if (sock->res_info->row_count > 0)
{
int cols = sock->res_info->num_cols;
char** name = new char*[512];
char** data = new char*[512];
for (int j=0; j<cols; j++)
{
TDSCOLUMN* col = sock->current_results->columns[j];
name[j] = col->column_name;
int ctype;
int srclen;
unsigned char* src;
CONV_RESULT dres;
ctype = tds_get_conversion_type(col->column_type, col->column_size);
#if _TDSVER >= 82
src = col->column_data;
#else
src = &(sock->current_results->current_row[col->column_offset]);
#endif
srclen = col->column_cur_size;
tds_convert(sock->tds_ctx, ctype, (TDS_CHAR *) src, srclen, SYBCHAR, &dres);
data[j] = (char*)dres.ib;
}
ResultReady(res, cols, data, name);
}
}
break;
default:
break;
}
}
ResultsMutex->Lock();
results.push_back(res);
ResultsMutex->Unlock();
return SQLerror();
}
static int HandleMessage(const TDSCONTEXT * pContext, TDSSOCKET * pTdsSocket, TDSMESSAGE * pMessage)
{
SQLConn* sc = (SQLConn*)pContext->parent;
LoggingMutex->Lock();
ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Message for DB with id: %s -> %s", sc->host.id.c_str(), pMessage->message);
LoggingMutex->Unlock();
return 0;
}
static int HandleError(const TDSCONTEXT * pContext, TDSSOCKET * pTdsSocket, TDSMESSAGE * pMessage)
{
SQLConn* sc = (SQLConn*)pContext->parent;
LoggingMutex->Lock();
ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "Error for DB with id: %s -> %s", sc->host.id.c_str(), pMessage->message);
LoggingMutex->Unlock();
return 0;
}
void ResultReady(MsSQLResult *res, int cols, char **data, char **colnames)
{
res->AddRow(cols, data, colnames);
}
void AffectedReady(MsSQLResult *res)
{
res->UpdateAffectedCount();
}
bool OpenDB()
{
CloseDB();
TDSCONNECTION* conn = NULL;
login = tds_alloc_login();
tds_set_app(login, "TSQL");
tds_set_library(login,"TDS-Library");
tds_set_host(login, "");
tds_set_server(login, host.host.c_str());
tds_set_server_addr(login, host.host.c_str());
tds_set_user(login, host.user.c_str());
tds_set_passwd(login, host.pass.c_str());
tds_set_port(login, host.port);
tds_set_packet(login, 512);
context = tds_alloc_context(this);
context->msg_handler = HandleMessage;
context->err_handler = HandleError;
sock = tds_alloc_socket(context, 512);
tds_set_parent(sock, NULL);
conn = tds_read_config_info(NULL, login, context->locale);
if (tds_connect(sock, conn) == TDS_SUCCEED)
{
tds_free_connection(conn);
return 1;
}
tds_free_connection(conn);
return 0;
}
void CloseDB()
{
if (sock)
{
tds_free_socket(sock);
sock = NULL;
}
if (context)
{
tds_free_context(context);
context = NULL;
}
if (login)
{
tds_free_login(login);
login = NULL;
}
}
SQLhost GetConfHost()
{
return host;
}
void SendResults()
{
while (results.size())
{
MsSQLResult* res = results[0];
ResultsMutex->Lock();
if (res->dest)
{
res->Send();
}
else
{
/* If the client module is unloaded partway through a query then the provider will set
* the pointer to NULL. We cannot just cancel the query as the result will still come
* through at some point...and it could get messy if we play with invalid pointers...
*/
delete res;
}
results.pop_front();
ResultsMutex->Unlock();
}
}
void ClearResults()
{
while (results.size())
{
MsSQLResult* res = results[0];
delete res;
results.pop_front();
}
}
void DoLeadingQuery()
{
SQLrequest* req = queue.front();
req->error = Query(req);
}
};
class ModuleMsSQL : public Module
{
private:
unsigned long currid;
QueryThread* queryDispatcher;
ServiceProvider sqlserv;
public:
ModuleMsSQL()
: currid(0), sqlserv(this, "SQL/mssql", SERVICE_DATA)
{
LoggingMutex = new Mutex();
ResultsMutex = new Mutex();
queryDispatcher = new QueryThread(this);
}
void init() CXX11_OVERRIDE
{
ReadConf();
ServerInstance->Threads.Start(queryDispatcher);
}
~ModuleMsSQL()
{
queryDispatcher->join();
delete queryDispatcher;
ClearQueue();
ClearAllConnections();
delete LoggingMutex;
delete ResultsMutex;
}
void SendQueue()
{
for (ConnMap::iterator iter = connections.begin(); iter != connections.end(); iter++)
{
iter->second->SendResults();
}
}
void ClearQueue()
{
for (ConnMap::iterator iter = connections.begin(); iter != connections.end(); iter++)
{
iter->second->ClearResults();
}
}
bool HasHost(const SQLhost &host)
{
for (ConnMap::iterator iter = connections.begin(); iter != connections.end(); iter++)
{
if (host == iter->second->GetConfHost())
return true;
}
return false;
}
bool HostInConf(const SQLhost &h)
{
ConfigTagList tags = ServerInstance->Config->ConfTags("database");
for (ConfigIter i = tags.first; i != tags.second; ++i)
{
ConfigTag* tag = i->second;
SQLhost host;
host.id = tag->getString("id");
host.host = tag->getString("hostname");
host.port = tag->getInt("port", 1433);
host.name = tag->getString("name");
host.user = tag->getString("username");
host.pass = tag->getString("password");
if (h == host)
return true;
}
return false;
}
void ReadConf()
{
ClearOldConnections();
ConfigTagList tags = ServerInstance->Config->ConfTags("database");
for (ConfigIter i = tags.first; i != tags.second; ++i)
{
ConfigTag* tag = i->second;
SQLhost host;
host.id = tag->getString("id");
host.host = tag->getString("hostname");
host.port = tag->getInt("port", 1433);
host.name = tag->getString("name");
host.user = tag->getString("username");
host.pass = tag->getString("password");
if (HasHost(host))
continue;
this->AddConn(host);
}
}
void AddConn(const SQLhost& hi)
{
if (HasHost(hi))
{
LoggingMutex->Lock();
ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "WARNING: A MsSQL connection with id: %s already exists. Aborting database open attempt.", hi.id.c_str());
LoggingMutex->Unlock();
return;
}
SQLConn* newconn;
newconn = new SQLConn(this, hi);
connections.insert(std::make_pair(hi.id, newconn));
}
void ClearOldConnections()
{
ConnMap::iterator iter,safei;
for (iter = connections.begin(); iter != connections.end(); iter++)
{
if (!HostInConf(iter->second->GetConfHost()))
{
delete iter->second;
safei = iter;
--iter;
connections.erase(safei);
}
}
}
void ClearAllConnections()
{
for(ConnMap::iterator i = connections.begin(); i != connections.end(); ++i)
delete i->second;
connections.clear();
}
void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
{
queryDispatcher->LockQueue();
ReadConf();
queryDispatcher->UnlockQueueWakeup();
}
void OnRequest(Request& request) CXX11_OVERRIDE
{
if(strcmp(SQLREQID, request.id) == 0)
{
SQLrequest* req = (SQLrequest*)&request;
queryDispatcher->LockQueue();
ConnMap::iterator iter;
if((iter = connections.find(req->dbid)) != connections.end())
{
req->id = NewID();
iter->second->queue.push(new SQLrequest(*req));
}
else
{
req->error.Id(SQL_BAD_DBID);
}
queryDispatcher->UnlockQueueWakeup();
}
}
unsigned long NewID()
{
if (currid+1 == 0)
currid++;
return ++currid;
}
Version GetVersion() CXX11_OVERRIDE
{
return Version("MsSQL provider", VF_VENDOR);
}
};
void QueryThread::OnNotify()
{
Parent->SendQueue();
}
void QueryThread::Run()
{
this->LockQueue();
while (this->GetExitFlag() == false)
{
SQLConn* conn = NULL;
for (ConnMap::iterator i = connections.begin(); i != connections.end(); i++)
{
if (i->second->queue.totalsize())
{
conn = i->second;
break;
}
}
if (conn)
{
this->UnlockQueue();
conn->DoLeadingQuery();
this->NotifyParent();
this->LockQueue();
conn->queue.pop();
}
else
{
this->WaitForQueue();
}
}
this->UnlockQueue();
}
MODULE_INIT(ModuleMsSQL)