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mysql_plugin.cpp
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mysql_plugin.cpp
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#include "mysql_plugin.h"
#warning the following code is readable only by compilers, trying to understand it may cause permanent brain damage
using namespace std;
MyDatabaseConnection::MyDatabaseConnection()
{
_result=0;
int error_num;
_dbconn=mysql_init(NULL);
mysql_options(_dbconn,MYSQL_READ_DEFAULT_GROUP,"vsftp");
printf("MYSQL: connektink \n");
if(!mysql_real_connect(_dbconn,tunable_mysql_database_host, tunable_mysql_database_username,
tunable_mysql_database_password, tunable_mysql_database_dbname,
tunable_mysql_database_port, tunable_mysql_database_socketname,
tunable_mysql_database_connectionflags))
{
error_num=mysql_errno(_dbconn);
switch(error_num)
{
case CR_CONN_HOST_ERROR:
throw MySQLConnHostError();
break;
case CR_CONNECTION_ERROR:
throw MySQLConnectionError();
break;
case CR_IPSOCK_ERROR:
throw MySQLIpsockError();
break;
case CR_OUT_OF_MEMORY:
throw MySQLOutOfMemory();
break;
case CR_SOCKET_CREATE_ERROR:
throw MySQLSocketCreateError();
break;
case CR_UNKNOWN_HOST:
throw MySQLUnknownHost();
break;
case CR_VERSION_ERROR:
throw MySQLVersionError();
break;
case CR_NAMEDPIPEOPEN_ERROR:
throw MySQLNamedpipeopenError();
break;
case CR_NAMEDPIPEWAIT_ERROR:
throw MySQLNamedpipewaitError();
break;
case CR_NAMEDPIPESETSTATE_ERROR:
throw MySQLNamedpipesetstateError();
break;
case CR_SERVER_LOST:
throw MySQLServerLost();
break;
default:
throw MySQLUnknown();
break;
}
}
}
MyDatabaseConnection::~MyDatabaseConnection()
{
mysql_close(_dbconn);
}
MYSQL_RES * MyDatabaseConnection::query(const string query)
{
int error_num;
printf("MYSQL query: %s\n",query.c_str());
if(mysql_real_query(_dbconn,query.c_str(),query.length())!=0)
{
error_num=mysql_errno(_dbconn);
switch(error_num)
{
case CR_COMMANDS_OUT_OF_SYNC:
throw MySQLCommandsOutOfSync();
break;
case CR_SERVER_GONE_ERROR:
throw MySQLServerGoneError();
break;
case CR_SERVER_LOST:
throw MySQLServerLost();
break;
case CR_UNKNOWN_ERROR:
throw MySQLUnknown();
break;
default:
printf("MYSQL Unhandled Error %d : %s\n", mysql_errno(_dbconn), mysql_error(_dbconn));
}
printf("MYSQL Error %d : %s\n", mysql_errno(_dbconn), mysql_error(_dbconn));
return 0;
}
_result = mysql_store_result(_dbconn);
return _result;
}
string VSFMySQLPlugin::sanitize(const string & original)
{
stringstream retval;
char * escaped;
escaped = new char[2*original.length() + 1];
mysql_real_escape_string(dbcon->getConnection(), escaped,original.c_str(),original.length());
retval << escaped;
delete [] escaped;
return retval.str();
}
/*
void VSFMySQLPlugin::connectDB(MYSQL * & connection)
{
int error_num;
connection=mysql_init(NULL);
mysql_options(connection,MYSQL_READ_DEFAULT_GROUP,"vsftp");
printf("VSMYSQL: connektink %s\n", getTimeStamp().c_str());
if(!mysql_real_connect(connection,tunable_mysql_database_host, tunable_mysql_database_username,
tunable_mysql_database_password, tunable_mysql_database_dbname,
tunable_mysql_database_port, tunable_mysql_database_socketname,
tunable_mysql_database_connectionflags))
{
error_num=mysql_errno(connection);
switch(error_num)
{
case CR_CONN_HOST_ERROR:
throw MySQLConnHostError();
break;
case CR_CONNECTION_ERROR:
throw MySQLConnectionError();
break;
case CR_IPSOCK_ERROR:
throw MySQLIpsockError();
break;
case CR_OUT_OF_MEMORY:
throw MySQLOutOfMemory();
break;
case CR_SOCKET_CREATE_ERROR:
throw MySQLSocketCreateError();
break;
case CR_UNKNOWN_HOST:
throw MySQLUnknownHost();
break;
case CR_VERSION_ERROR:
throw MySQLVersionError();
break;
case CR_NAMEDPIPEOPEN_ERROR:
throw MySQLNamedpipeopenError();
break;
case CR_NAMEDPIPEWAIT_ERROR:
throw MySQLNamedpipewaitError();
break;
case CR_NAMEDPIPESETSTATE_ERROR:
throw MySQLNamedpipesetstateError();
break;
case CR_SERVER_LOST:
throw MySQLServerLost();
break;
default:
throw MySQLUnknown();
break;
}
}
}
//*/
string VSFMySQLPlugin::sanitize(const char * original)
{
stringstream retval;
char * escaped;
escaped = new char[2*strlen(original) + 1];
mysql_real_escape_string(dbcon->getConnection(), escaped,original,strlen(original));
retval << escaped;
delete [] escaped;
return retval.str();
}
string VSFMySQLPlugin::unslash(const string & original)
{
return unslash(original.c_str());
}
string VSFMySQLPlugin::unslash(const char * original)
{
char * escaped;
stringstream retval;
if(strlen(original) <= 1)
{
retval << original;
return retval.str();
}
escaped = strdup(original);
if(strlen(escaped)>1 && escaped[strlen(escaped)-1]=='/')
{
escaped[strlen(escaped)-1]=0;
}
retval << escaped;
if(escaped)
{
free(escaped);
}
return retval.str();
}
long long int VSFMySQLPlugin::getEid(const struct Event_Shared sharedInfo)
{
MyDatabaseConnection mycon;
long long int eid;
stringstream query;
MYSQL_RES * result;
long long int uid;
uid =getUid(sharedInfo.user_name);
if(uid==-1) {
query << "SELECT `eid` FROM `event` WHERE `uid` IS NULL AND `timestamp` = '" << getTimeStamp(sharedInfo.timestamp) << "' AND `ip_address` = '" << getIP(sharedInfo.remote_ip) << "'";
} else {
query << "SELECT `eid` FROM `event` WHERE `uid` = " << uid << " AND `timestamp` = '" << getTimeStamp(sharedInfo.timestamp) << "' AND `ip_address` = '" << getIP(sharedInfo.remote_ip) << "'";
}
result = mycon.query(query.str());
if((result==0)||(mysql_num_rows(result)!=1))
{
mysql_free_result(result);
printf("MYSQL:TOO MANY SIMILAR EVENTS!\n");
return -1;
}
else
{
MYSQL_ROW row;
row = mysql_fetch_row(result);
sscanf(row[0],"%lld",&eid);
mysql_free_result(result);
return eid;
}
}
string VSFMySQLPlugin::getTimeStamp()
{
struct tm tstamp;
time_t rawtime;
stringstream tsstream;
time ( &rawtime );
gmtime_r(&rawtime,&tstamp);
tsstream << setw(4) << right << setfill('0') << 1900+tstamp.tm_year << "-" <<
setw(2) << right << setfill('0') << tstamp.tm_mon+1 << "-"
<< setw(2) << right << setfill('0') << tstamp.tm_mday << " " <<
setw(2) << right << setfill('0') << tstamp.tm_hour << ":" <<
setw(2) << right << setfill('0') << tstamp.tm_min << ":" <<
setw(2) << right << setfill('0') << tstamp.tm_sec;
return tsstream.str();
}
long long int VSFMySQLPlugin::getUid(string username)
{
MyDatabaseConnection mycon;
long long int uid;
MYSQL_RES * result;
stringstream querystream;
querystream << "SELECT `uid` FROM `users` WHERE `name` = '" << sanitize(username) << "'";
result = mycon.query(querystream.str());
if((result==0)||(mysql_num_rows(result)!=1))
{
mysql_free_result(result);
printf("VSMYSQL:NO SUCH USER!\n");
return -1;
}
else
{
MYSQL_ROW row;
row = mysql_fetch_row(result);
sscanf(row[0],"%lld",&uid);
mysql_free_result(result);
return uid;
}
}
string VSFMySQLPlugin::getIP(const struct sockaddr_in& sa_in )
{
char * ipaddr;
ipaddr=new char[16];
if(sa_in.sin_family==AF_INET)
{
inet_ntop(sa_in.sin_family,&(sa_in.sin_addr),ipaddr,16);
}
else
{
printf("VSFMYSQL: vsftp-database does not support IPv6, but it's an easy feature to add yourself :)\n");
}
string ipstring;
ipstring.assign(ipaddr);
return ipstring;
}
string VSFMySQLPlugin::getTimeStamp(struct timeval tval)
{
struct tm tstamp;
stringstream tsstream;
gmtime_r(&(tval.tv_sec),&tstamp);
tsstream << setw(4) << right << setfill('0') << 1900+tstamp.tm_year << "-" <<
setw(2) << right << setfill('0') << tstamp.tm_mon+1 << "-"
<< setw(2) << right << setfill('0') << tstamp.tm_mday << " " <<
setw(2) << right << setfill('0') << tstamp.tm_hour << ":" <<
setw(2) << right << setfill('0') << tstamp.tm_min << ":" <<
setw(2) << right << setfill('0') << tstamp.tm_sec;
return tsstream.str();
}
/*
MYSQL_RES * VSFMySQLPlugin::queryDB(const string query)
{
return queryDB(query,_dbconn);
}
MYSQL_RES * VSFMySQLPlugin::queryDB(const string query, MYSQL * connection)
{
int error_num;
printf("%s\n",query.c_str());
if(mysql_real_query(connection,query.c_str(),query.length())!=0)
{
error_num=mysql_errno(connection);
switch(error_num)
{
case CR_COMMANDS_OUT_OF_SYNC:
throw MySQLCommandsOutOfSync();
break;
case CR_SERVER_GONE_ERROR:
throw MySQLServerGoneError();
break;
case CR_SERVER_LOST:
throw MySQLServerLost();
break;
case CR_UNKNOWN_ERROR:
throw MySQLUnknown();
break;
default:
cout << "QS:" << query << ":QE" << endl;
printf("EVEN WORSE %d\n!",error_num);
}
printf("Error %d : %s\n", mysql_errno(connection), mysql_error(connection));
return 0;
}
return mysql_store_result(connection);
}
//*/
VSFMySQLPlugin::VSFMySQLPlugin(VSFPluginArchitecture & arch) : VSFPlugin(arch), PlArch(arch)
{
stringstream querystream;
//init variables;
commit.assign("COMMIT");
//init connection to the database and check if the tables exist
arch.registerRequestHandler(*this, Request_Number_Login);
arch.registerRequestHandler(*this, Request_Number_ReadFile);
arch.registerRequestHandler(*this, Request_Number_ReadDirectory);
arch.registerRequestHandler(*this, Request_Number_WriteFile);
arch.registerRequestHandler(*this, Request_Number_WriteDirectory);
arch.registerRequestHandler(*this, Request_Number_Homedir);
arch.registerEventHandler(*this, Event_Number_Chmod);
arch.registerEventHandler(*this, Event_Number_Connection);
arch.registerEventHandler(*this, Event_Number_Delete);
arch.registerEventHandler(*this, Event_Number_Download);
arch.registerEventHandler(*this, Event_Number_FailedLogin);
arch.registerEventHandler(*this, Event_Number_Login);
arch.registerEventHandler(*this, Event_Number_Mkdir);
arch.registerEventHandler(*this, Event_Number_Rename);
arch.registerEventHandler(*this, Event_Number_Rmdir);
arch.registerEventHandler(*this, Event_Number_Upload);
arch.registerEventHandler(*this, Event_Number_CliEnd);
//init connection handler
/*
//VS _dbconn=mysql_init(NULL);
//connect to the DB
//VS mysql_options(_dbconn,MYSQL_READ_DEFAULT_GROUP,"vsftp");
printf("VSMYSQL: connektink %s\n", getTimeStamp().c_str());
if(!mysql_real_connect(_dbconn,tunable_mysql_database_host, tunable_mysql_database_username,
tunable_mysql_database_password, tunable_mysql_database_dbname,
tunable_mysql_database_port, tunable_mysql_database_socketname,
tunable_mysql_database_connectionflags))
{
error_num=mysql_errno(_dbconn);
switch(error_num)
{
case CR_CONN_HOST_ERROR:
throw MySQLConnHostError();
break;
case CR_CONNECTION_ERROR:
throw MySQLConnectionError();
break;
case CR_IPSOCK_ERROR:
throw MySQLIpsockError();
break;
case CR_OUT_OF_MEMORY:
throw MySQLOutOfMemory();
break;
case CR_SOCKET_CREATE_ERROR:
throw MySQLSocketCreateError();
break;
case CR_UNKNOWN_HOST:
throw MySQLUnknownHost();
break;
case CR_VERSION_ERROR:
throw MySQLVersionError();
break;
case CR_NAMEDPIPEOPEN_ERROR:
throw MySQLNamedpipeopenError();
break;
case CR_NAMEDPIPEWAIT_ERROR:
throw MySQLNamedpipewaitError();
break;
case CR_NAMEDPIPESETSTATE_ERROR:
throw MySQLNamedpipesetstateError();
break;
case CR_SERVER_LOST:
throw MySQLServerLost();
break;
default:
throw MySQLUnknown();
break;
}
}
//*/
dbcon=new MyDatabaseConnection;
//connected to the database or exceptioned out
//add server startup to logs
querystream << "INSERT INTO `event` (`eid`, `uid`, `timestamp`, `ip_address`, `event_type`) VALUES (DEFAULT, NULL, '" << getTimeStamp() << "', '', 'Server Startup')";
dbcon->query(querystream.str());
dbcon->query(commit);
//check if folders exist on HDD
}
VSFMySQLPlugin::~VSFMySQLPlugin()
{
stringstream querystream;
querystream << "INSERT INTO `event` (`eid`, `uid`, `timestamp`, `ip_address`, `event_type`) VALUES (DEFAULT, NULL, '" << getTimeStamp() << "','','Server Shutdown')";
dbcon->query(querystream.str());
dbcon->query(commit);
//disconnect from database
delete dbcon;
//free all allocated space
PlArch.unregisterEventHandler(*this, Event_Number_Chmod);
PlArch.unregisterEventHandler(*this, Event_Number_Connection);
PlArch.unregisterEventHandler(*this, Event_Number_Delete);
PlArch.unregisterEventHandler(*this, Event_Number_Download);
PlArch.unregisterEventHandler(*this, Event_Number_FailedLogin);
PlArch.unregisterEventHandler(*this, Event_Number_Login);
PlArch.unregisterEventHandler(*this, Event_Number_Mkdir);
PlArch.unregisterEventHandler(*this, Event_Number_Rename);
PlArch.unregisterEventHandler(*this, Event_Number_Rmdir);
PlArch.unregisterEventHandler(*this, Event_Number_Upload);
PlArch.unregisterEventHandler(*this, Event_Number_CliEnd);
PlArch.unregisterRequestHandler(*this, Request_Number_Login);
PlArch.unregisterRequestHandler(*this, Request_Number_ReadFile);
PlArch.unregisterRequestHandler(*this, Request_Number_ReadDirectory);
PlArch.unregisterRequestHandler(*this, Request_Number_WriteFile);
PlArch.unregisterRequestHandler(*this, Request_Number_WriteDirectory);
PlArch.unregisterRequestHandler(*this, Request_Number_Homedir);
}
void VSFMySQLPlugin::handleEvent(const EventChmod & event)
{
int file_true;
int improvise;
MyDatabaseConnection mycon;
MYSQL_RES * result;
MYSQL_ROW row;
long long int ourfid;
stringstream querystream;
int old_owner_write,old_owner_read,new_owner_write,new_owner_read;
int old_group_write,old_group_read,new_group_write,new_group_read;
int old_others_write,old_others_read,new_others_write,new_others_read;
long long int uid;
file_true=0;
improvise=0;
querystream.str("");
querystream << "SELECT `owner_read`, `owner_write`, `group_read`, `group_write`, `others_read`, `others_write` FROM `directories` WHERE `path` = '" << sanitize(event.getData()->path) << sanitize(event.getData()->name) << "'";
result = mycon.query(querystream.str());
if((result==0)||(mysql_num_rows(result)!=1))
{
querystream.str("");
querystream << "SELECT f.`owner_read`, f.`owner_write`, f.`group_read`, f.`group_write`, f.`others_read`, f.`others_write` FROM `files` f JOIN `directories` d ON d.`did` = f.`directory` WHERE f.`name` = '" << sanitize(event.getData()->name) << "' AND d.`path` = '" << unslash(sanitize(event.getData()->path)) << "'";
result = mycon.query(querystream.str());
file_true=1;
if((result==0)||(mysql_num_rows(result)!=1))
{
improvise=1;
}
}
if(improvise==0)
{
row = mysql_fetch_row(result);
}
//changing from the octal representation to the separate bit's representation
new_owner_write=0;
new_owner_read=0;
new_group_write=0;
new_group_read=0;
new_others_write=0;
new_others_read=0;
if(((event.getData()->new_attrib[0]) & 0x2)>0 )
{
new_owner_write=1;
}
if(((event.getData()->new_attrib[0]) & 0x4)>0 )
{
new_owner_read=1;
}
if(((event.getData()->new_attrib[1]) & 0x2)>0 )
{
new_group_write=1;
}
if(((event.getData()->new_attrib[1]) & 0x4)>0 )
{
new_group_read=1;
}
if(((event.getData()->new_attrib[2]) & 0x2)>0 )
{
new_others_write=1;
}
if(((event.getData()->new_attrib[2]) & 0x4)>0 )
{
new_others_read=1;
}
//interpreting selected data
if(improvise==0)
{
old_owner_read=(strcmp(row[0],"0")==0)?0:1;
old_owner_write=(strcmp(row[1],"0")==0)?0:1;
old_group_read=(strcmp(row[2],"0")==0)?0:1;
old_group_write=(strcmp(row[3],"0")==0)?0:1;
old_others_read=(strcmp(row[4],"0")==0)?0:1;
old_others_write=(strcmp(row[5],"0")==0)?0:1;
}
else
{
old_owner_read=0;
old_owner_write=0;
old_group_read=0;
old_group_write=0;
old_others_read=0;
old_others_write=0;
}
//basic inserting
querystream.str("");
uid=getUid(event.getData()->sharedInfo.user_name);
if(uid==-1) {
querystream << "INSERT INTO `event` (`eid`,`uid`,`timestamp`,`ip_address`,`event_type`) VALUES (DEFAULT, NULL,'" << getTimeStamp(event.getData()->sharedInfo.timestamp) << "','" << getIP(event.getData()->sharedInfo.remote_ip) << "', 'Chmod')";
} else {
querystream << "INSERT INTO `event` (`eid`,`uid`,`timestamp`,`ip_address`,`event_type`) VALUES (DEFAULT, " << uid << ",'" << getTimeStamp(event.getData()->sharedInfo.timestamp) << "','" << getIP(event.getData()->sharedInfo.remote_ip) << "', 'Chmod')";
}
mycon.query(querystream.str());
mycon.query(commit);
querystream.str("");
querystream << "INSERT INTO `event_chmod` (`eid`,`path`,`old_owner_write`,`old_owner_read`,`old_group_write`,`old_group_read`,`old_others_write`,`old_others_read`,`new_owner_write`,`new_owner_read`,`new_group_write`,`new_group_read`,`new_others_write`,`new_others_read`,`succeeded`) VALUES (" << getEid(event.getData()->sharedInfo) << ", '" << sanitize(event.getData()->path) << sanitize(event.getData()->name) << "', " << old_owner_write << ", " << old_owner_read << ", " << old_group_write << ", " << old_group_read << ", " << old_others_write << ", " << old_others_read << ", " << new_owner_write << ", " << new_owner_read << ", " << new_group_write << ", " << new_group_read << ", " << new_others_write << ", " << new_others_read << ", " << event.getData()->succeeded << ")";
mycon.query(querystream.str());
mycon.query(commit);
//insert to database
if(improvise==1)
{
return;
}
querystream.str("");
querystream << "SELECT `fid` FROM `files` f JOIN `directories` d ON f.`directory` = d.`did` WHERE f.`name` = '"
<< sanitize(event.getData()->name) << "' AND d.`path` = '" << unslash(sanitize(event.getData()->path)) <<
"' ";
result=mycon.query(querystream.str());
if((result==0)||(mysql_num_rows(result)!=1))
{
//throw MySQLFileEntryNotFound;
querystream.str("");
querystream << "SELECT `did` FROM `directories` WHERE `path` = '" << sanitize(event.getData()->path) << sanitize(event.getData()->name) << "' ";
result=mycon.query(querystream.str());
if((result==0)||(mysql_num_rows(result)!=1))
{
printf("MYSQL: file or dir for chmod not found in database\n");
mysql_free_result(result);
return;
}
row = mysql_fetch_row(result);
sscanf(row[0],"%lld",&ourfid);
querystream.str("");
//modifying dir
querystream << "UPDATE `directories` SET `owner_read` = "<< new_owner_read << " , `owner_write` = " <<
new_owner_write << " , `group_read` = "<< new_group_read << " , `group_write` = "<< new_group_write <<
" , `others_read` = " << new_others_read << " , `others_write` = "<< new_others_write <<
" WHERE `did` = " << ourfid << " ";
mycon.query(querystream.str());
mycon.query(commit);
return;
}
row = mysql_fetch_row(result);
sscanf(row[0],"%lld",&ourfid);
querystream.str("");
//modifying file
querystream << "UPDATE `files` SET `owner_read` = "<< new_owner_read << " , `owner_write` = " <<
new_owner_write << " , `group_read` = " << new_group_read << " , `group_write` = " << new_group_write <<
" , `others_read` = " << new_others_read << " , `others_write` = " << new_others_write <<
" WHERE `fid` = " << ourfid << " ";
mycon.query(querystream.str());
mycon.query(commit);
}
void VSFMySQLPlugin::handleEvent(const EventConnection & event)
{
printf("MYSQL**** : Event Connection!\n");
MyDatabaseConnection mycon;
stringstream querystream;
long long int uid;
uid = getUid(event.getData()->sharedInfo.user_name);
if(uid==-1) {
querystream << "INSERT INTO `event` (`eid`,`uid`,`timestamp`,`ip_address`,`event_type`) VALUES (DEFAULT, NULL,'" << getTimeStamp(event.getData()->sharedInfo.timestamp) << "','" << getIP(event.getData()->sharedInfo.remote_ip) << "', 'Connection')";
} else {
querystream << "INSERT INTO `event` (`eid`,`uid`,`timestamp`,`ip_address`,`event_type`) VALUES (DEFAULT, " << uid << ",'" << getTimeStamp(event.getData()->sharedInfo.timestamp) << "','" << getIP(event.getData()->sharedInfo.remote_ip) << "', 'Connection')";
}
mycon.query(querystream.str());
mycon.query(commit);
querystream.str("");
querystream << "INSERT INTO `event_connection` (`eid`,`reason`) VALUES (" << getEid(event.getData()->sharedInfo) << ", '" << sanitize(event.getData()->reason) << "')";
mycon.query(querystream.str());
mycon.query(commit);
}
void VSFMySQLPlugin::handleEvent(const EventDelete & event)
{
MyDatabaseConnection mycon;
stringstream querystream;
long long int uid;
uid = getUid(event.getData()->sharedInfo.user_name);
if(uid==-1) {
querystream << "INSERT INTO `event` (`eid`,`uid`,`timestamp`,`ip_address`,`event_type`) VALUES (DEFAULT, NULL,'" << getTimeStamp(event.getData()->sharedInfo.timestamp) << "','" << getIP(event.getData()->sharedInfo.remote_ip) << "', 'Delete')";
} else {
querystream << "INSERT INTO `event` (`eid`,`uid`,`timestamp`,`ip_address`,`event_type`) VALUES (DEFAULT, " << uid << ",'" << getTimeStamp(event.getData()->sharedInfo.timestamp) << "','" << getIP(event.getData()->sharedInfo.remote_ip) << "', 'Delete')";
}
mycon.query(querystream.str());
mycon.query(commit);
//deleting the entry from the database (if succeded)
if(event.getData()->succeeded == 0)
{
std::pair<std::string,std::string> filnam;
filnam = VSFUtils::sanitizePath(event.getData()->path,"" );
querystream.str("");
querystream << "DELETE FROM `files` WHERE `fid`=(SELECT `fid` FROM `files` f JOIN `directories` d ON f.`directory` = d.`did` WHERE f.`name` = '" << sanitize(filnam.second) << "' AND d.`path` = '"
<< unslash(sanitize(filnam.first)) << "' LIMIT 1 )";
mycon.query(querystream.str());
mycon.query(commit);
}
querystream.str("");
querystream << "INSERT INTO `event_delete` (`eid`,`path`,`succeeded`) VALUES (" << getEid(event.getData()->sharedInfo) << ", '" << sanitize(event.getData()->path) << "', '"<< event.getData()->succeeded << "')";
mycon.query(querystream.str());
mycon.query(commit);
}
void VSFMySQLPlugin::handleEvent(const EventDownload & event)
{
MyDatabaseConnection mycon;
stringstream querystream;
long long int uid;
uid = getUid(event.getData()->sharedInfo.user_name);
if(uid==-1) {
querystream << "INSERT INTO `event` (`eid`,`uid`,`timestamp`,`ip_address`,`event_type`) VALUES (DEFAULT, NULL,'" << getTimeStamp(event.getData()->sharedInfo.timestamp) << "','" << getIP(event.getData()->sharedInfo.remote_ip) << "', 'Download')";
} else {
querystream << "INSERT INTO `event` (`eid`,`uid`,`timestamp`,`ip_address`,`event_type`) VALUES (DEFAULT, " << uid << ",'" << getTimeStamp(event.getData()->sharedInfo.timestamp) << "','" << getIP(event.getData()->sharedInfo.remote_ip) << "', 'Download')";
}
mycon.query(querystream.str());
mycon.query(commit);
querystream.str("");
querystream << "INSERT INTO `event_download` (`eid`,`path`,`filename`,`size`,`is_complete`) VALUES (" << getEid(event.getData()->sharedInfo) << ", '" << unslash(sanitize(event.getData()->fileInfo.path)) << "', '" << sanitize(event.getData()->fileInfo.name) << "', " << event.getData()->fileInfo.size << ", " << event.getData()->is_complete << ")";
mycon.query(querystream.str());
mycon.query(commit);
}
void VSFMySQLPlugin::handleEvent(const EventFailedLogin & event)
{
MyDatabaseConnection mycon;
stringstream querystream;
long long int uid;
uid =getUid(event.getData()->sharedInfo.user_name);
if(uid==-1) {
querystream << "INSERT INTO `event` (`eid`,`uid`,`timestamp`,`ip_address`,`event_type`) VALUES (DEFAULT, NULL,'" << getTimeStamp(event.getData()->sharedInfo.timestamp) << "','" << getIP(event.getData()->sharedInfo.remote_ip) << "', 'FailedLogin')";
}else {
querystream << "INSERT INTO `event` (`eid`,`uid`,`timestamp`,`ip_address`,`event_type`) VALUES (DEFAULT, " << uid << ",'" << getTimeStamp(event.getData()->sharedInfo.timestamp) << "','" << getIP(event.getData()->sharedInfo.remote_ip) << "', 'FailedLogin')";
}
mycon.query(querystream.str());
mycon.query(commit);
querystream.str("");
querystream << "INSERT INTO `event_failedlogin` (`eid`,`failed_password`) VALUES (" << getEid(event.getData()->sharedInfo) << ", '" << sanitize(event.getData()->failed_password) << "')";
mycon.query(querystream.str());
mycon.query(commit);
}
void VSFMySQLPlugin::handleEvent(const EventLogin & event)
{
MyDatabaseConnection mycon;
stringstream querystream;
long long int uid;
uid = getUid(event.getData()->sharedInfo.user_name);
if(uid==-1) {
querystream << "INSERT INTO `event` (`eid`,`uid`,`timestamp`,`ip_address`,`event_type`) VALUES (DEFAULT, NULL,'" << getTimeStamp(event.getData()->sharedInfo.timestamp) << "','" << getIP(event.getData()->sharedInfo.remote_ip) << "', 'Login')";
} else {
querystream << "INSERT INTO `event` (`eid`,`uid`,`timestamp`,`ip_address`,`event_type`) VALUES (DEFAULT, " << uid << ",'" << getTimeStamp(event.getData()->sharedInfo.timestamp) << "','" << getIP(event.getData()->sharedInfo.remote_ip) << "', 'Login')";
}
mycon.query(querystream.str());
mycon.query(commit);
querystream.str("");
querystream << "INSERT INTO `event_login` (`eid`,`is_anonymous`) VALUES (" << getEid(event.getData()->sharedInfo) << ", " << event.getData()->is_anonymous << ")";
mycon.query(querystream.str());
mycon.query(commit);
}
void VSFMySQLPlugin::handleEvent(const EventMkdir & event)
{
MyDatabaseConnection mycon;
stringstream querystream;
long long int uid;
uid = getUid(event.getData()->sharedInfo.user_name);
if(uid==-1) {
querystream << "INSERT INTO `event` (`eid`,`uid`,`timestamp`,`ip_address`,`event_type`) VALUES (DEFAULT, NULL,'" << getTimeStamp(event.getData()->sharedInfo.timestamp) << "','" << getIP(event.getData()->sharedInfo.remote_ip) << "', 'Mkdir')";
} else {
querystream << "INSERT INTO `event` (`eid`,`uid`,`timestamp`,`ip_address`,`event_type`) VALUES (DEFAULT," << uid <<",'" << getTimeStamp(event.getData()->sharedInfo.timestamp) << "','" << getIP(event.getData()->sharedInfo.remote_ip) << "', 'Mkdir')";
}
mycon.query(querystream.str());
mycon.query(commit);
//adding dir to the database (if succeded)
if(event.getData()->succeeded == 0)
{
querystream.str("");
querystream << "INSERT INTO `directories` (`did`, `path`, `owner`, `dir_group`, `owner_read`, `owner_write`, `group_read`, `group_write`, `others_read` , `others_write`) VALUES (DEFAULT, '"<<sanitize(event.getData()->path) << "', "<< ((uid!=-1)?(uid):0) <<" , 0 , " << ((tunable_local_umask & 0400)?0:1) << " , " << ((tunable_local_umask & 0200)?0:1) << " , " << ((tunable_local_umask & 040)?0:1) << " , " << ((tunable_local_umask & 020)?0:1) << " , " << ((tunable_local_umask & 04)?0:1) << " , " << ((tunable_local_umask & 02)?0:1) << " ) ";
mycon.query(querystream.str());
mycon.query(commit);
}
querystream.str("");
querystream << "INSERT INTO `event_mkdir` (`eid`,`path`,`succeeded`) VALUES (" << getEid(event.getData()->sharedInfo) << ", '" << sanitize(event.getData()->path) << "', " << event.getData()->succeeded << ")";
mycon.query(querystream.str());
mycon.query(commit);
}
void VSFMySQLPlugin::handleEvent(const EventRename & event)
{
MyDatabaseConnection mycon;
MYSQL_RES * result;
MYSQL_ROW row;
long long int ourfid;
stringstream querystream;
long long int uid;
uid = getUid(event.getData()->sharedInfo.user_name);
if(uid==-1) {
querystream << "INSERT INTO `event` (`eid`,`uid`,`timestamp`,`ip_address`,`event_type`) VALUES (DEFAULT, NULL,'" << getTimeStamp(event.getData()->sharedInfo.timestamp) << "','" << getIP(event.getData()->sharedInfo.remote_ip) << "', 'Rename')";
} else {
querystream << "INSERT INTO `event` (`eid`,`uid`,`timestamp`,`ip_address`,`event_type`) VALUES (DEFAULT, "<< uid <<",'" << getTimeStamp(event.getData()->sharedInfo.timestamp) << "','" << getIP(event.getData()->sharedInfo.remote_ip) << "', 'Rename')";
}
mycon.query(querystream.str());
mycon.query(commit);
//changing the file name in the database (if succeded)
if(event.getData()->succeeded==0)
{
std::pair<std::string,std::string> oldnam;
std::pair<std::string,std::string> newnam;
oldnam=VSFUtils::sanitizePath(event.getData()->old_name,"");
newnam=VSFUtils::sanitizePath(event.getData()->new_name,"");
querystream.str("");
querystream << "SELECT `fid` FROM `files` f JOIN `directories` d ON f.`directory` = d.`did` WHERE f.`name` = '"
<< sanitize(oldnam.second) << "' AND d.`path` = '" << unslash(sanitize(oldnam.first )) <<
"' ";
result=mycon.query(querystream.str());
if((result==0)||(mysql_num_rows(result)!=1))
{
//throw MySQLFileEntryNotFound;
//maybe dir?
querystream.str("");
querystream << "SELECT `did` FROM `directories` WHERE `path` = '" << sanitize(oldnam.first) << sanitize(oldnam.second) << "' ";
result=mycon.query(querystream.str());
if((result==0)||(mysql_num_rows(result)!=1))
{
printf("MYSQL: file or dir for renaming not found in database\n");
mysql_free_result(result);
return;
}
row = mysql_fetch_row(result);
sscanf(row[0],"%lld",&ourfid);
querystream.str("");
//modifying dir
querystream << "UPDATE `directories` SET `path`= '" << sanitize(oldnam.first) << sanitize(newnam.second) << "' WHERE `did` = " << ourfid << " ";
mycon.query(querystream.str());
mycon.query(commit);
return;
}
row = mysql_fetch_row(result);
sscanf(row[0],"%lld",&ourfid);
querystream.str("");
//modifying file
querystream << "UPDATE `files` SET `name`= '" << sanitize(newnam.second) << "' , `directory` = (SELECT `did` FROM `directories` WHERE `path`='" << unslash(sanitize(newnam.first)) << "' LIMIT 1) WHERE `fid` = " << ourfid << " ";
printf("OLDNAME: %s\n",event.getData()->old_name);
mycon.query(querystream.str());
mycon.query(commit);
}
querystream.str("");
querystream << "INSERT INTO `event_rename` (`eid`,`oldname`,`newname`,`succeeded`) VALUES (" << getEid(event.getData()->sharedInfo) << ", '" << sanitize(event.getData()->old_name) << "', '"<< sanitize(event.getData()->new_name) << "', " << event.getData()->succeeded << ")";
mycon.query(querystream.str());
mycon.query(commit);
}
void VSFMySQLPlugin::handleEvent(const EventRmdir & event)
{
MyDatabaseConnection mycon;
MYSQL_RES * result;
MYSQL_ROW row;
long long int ourdid;
stringstream querystream;
long long int uid;
uid = getUid(event.getData()->sharedInfo.user_name);
if(uid==-1) {
querystream << "INSERT INTO `event` (`eid`,`uid`,`timestamp`,`ip_address`,`event_type`) VALUES (DEFAULT, NULL,'" << getTimeStamp(event.getData()->sharedInfo.timestamp) << "','" << getIP(event.getData()->sharedInfo.remote_ip) << "', 'Rmdir')";
}else {
querystream << "INSERT INTO `event` (`eid`,`uid`,`timestamp`,`ip_address`,`event_type`) VALUES (DEFAULT, " << uid << ",'" << getTimeStamp(event.getData()->sharedInfo.timestamp) << "','" << getIP(event.getData()->sharedInfo.remote_ip) << "', 'Rmdir')";
}
mycon.query(querystream.str());
mycon.query(commit);
//removing dir from the database (if succeded)
if(event.getData()->succeeded == 0)
{
querystream.str("");
querystream << "SELECT `did` FROM `directories` WHERE `path` = '" << sanitize(event.getData()->path) << "' ";
result=mycon.query(querystream.str());
if((result==0)||(mysql_num_rows(result)!=1))
{
//throw MySQLFileEntryNotFound;
printf("MYSQL: dir for deleting not found - database integrity breached\n");
mysql_free_result(result);
return;
}
row = mysql_fetch_row(result);
sscanf(row[0],"%lld",&ourdid);
querystream.str("");
querystream << "DELETE FROM `directories` WHERE `did`=" << ourdid << " ";
mycon.query(querystream.str());
mycon.query(commit);
}
querystream.str("");
querystream << "INSERT INTO `event_rmdir` (`eid`,`path`,`succeeded`) VALUES (" << getEid(event.getData()->sharedInfo) << ", '" << sanitize(event.getData()->path) << "', " << event.getData()->succeeded << ")";
mycon.query(querystream.str());
mycon.query(commit);
}
void VSFMySQLPlugin::handleEvent(const EventCliEnd & event)
{
MyDatabaseConnection mycon;
stringstream querystream;
querystream << "INSERT INTO `event` (`eid`,`uid`,`timestamp`,`ip_address`,`event_type`) VALUES (DEFAULT, NULL, '" << getTimeStamp(event.getData()->timestamp) << "','', 'CliEnd')";
mycon.query(querystream.str());
mycon.query(commit);
}
void VSFMySQLPlugin::handleEvent(const EventUpload & event)
{
MyDatabaseConnection mycon;
stringstream querystream;
long long int uid;
uid = getUid(event.getData()->sharedInfo.user_name);
if(uid==-1) {
querystream << "INSERT INTO `event` (`eid`,`uid`,`timestamp`,`ip_address`,`event_type`) VALUES (DEFAULT, NULL,'" << getTimeStamp(event.getData()->sharedInfo.timestamp) << "','" << getIP(event.getData()->sharedInfo.remote_ip) << "', 'Upload')";
} else {
querystream << "INSERT INTO `event` (`eid`,`uid`,`timestamp`,`ip_address`,`event_type`) VALUES (DEFAULT, " << uid << ",'" << getTimeStamp(event.getData()->sharedInfo.timestamp) << "','" << getIP(event.getData()->sharedInfo.remote_ip) << "', 'Upload')";
}
mycon.query(querystream.str());
mycon.query(commit);
//creating database entry (if succeded)
if((event.getData()->is_complete==1)&&(event.getData()->is_append==0)&&(event.getData()->is_overwrite==0)) //complete and not append or overwrite -> insert a file
{
querystream.str("");
querystream << "INSERT INTO `files` (`fid`, `name`, `directory`, `owner`, `file_group`, `owner_read`, `owner_write`, `group_read`, `group_write`, `others_read` , `others_write`) VALUES (DEFAULT, '"<< sanitize(event.getData()->fileInfo.name) << "' , (SELECT `did` FROM `directories` WHERE `path` = '" << unslash(sanitize(event.getData()->fileInfo.path)) << "' LIMIT 1) , "<< ((uid!=-1)?(uid):0) <<" , 0 , " << ((tunable_local_umask & 0400)?0:1) << " , " << ((tunable_local_umask & 0200)?0:1) << " , " << ((tunable_local_umask & 040)?0:1) << " , " << ((tunable_local_umask & 020)?0:1) << " , " << ((tunable_local_umask & 04)?0:1) << " , " << ((tunable_local_umask & 02)?0:1) << " ) ";
mycon.query(querystream.str());
mycon.query(commit);
}
querystream.str("");
querystream << "INSERT INTO `event_upload` (`eid`,`path`,`filename`,`size`,`is_complete`,`is_append`,`is_overwrite`) VALUES (" << getEid(event.getData()->sharedInfo) << ", '" << unslash(sanitize(event.getData()->fileInfo.path)) << "', '" << sanitize(event.getData()->fileInfo.name) << "', " << event.getData()->fileInfo.size << ", " << event.getData()->is_complete << ", " << event.getData()->is_append << ", " << event.getData()->is_overwrite << ")";
mycon.query(querystream.str());
mycon.query(commit);
}
Request_Result VSFMySQLPlugin::handleRequest(const RequestLogin & r)
{
MyDatabaseConnection mycon;
struct Request_Result retStruct = Request_Result_Init;
stringstream query;
MYSQL_RES * result;
retStruct.result=-1;
query << "SELECT * FROM `users` WHERE name='" << sanitize(r.getData()->login) << "' AND passwd=SHA1('" << sanitize(r.getData()->password) << "')";
result=mycon.query(query.str());
if((result!=0)&&(mysql_num_rows(result)==1))
{
retStruct.result=0;
query.str("");
query << "UPDATE `users` SET `last_login`= '" << sanitize(getTimeStamp()) << "' WHERE name='" << sanitize(r.getData()->login) << "' ";
mycon.query(query.str());
mycon.query(commit);
}
return retStruct;
}
Request_Result_And_Reason VSFMySQLPlugin::handleRequest(const RequestWriteFile & r) {
struct Request_Result_And_Reason retStruct = Request_Result_And_Reason_Init;
MyDatabaseConnection mycon;
MYSQL_RES * result1;
MYSQL_RES * result2;
MYSQL_ROW permissions_row;
MYSQL_ROW row;
stringstream query;
long long int uid;
long long int ownerid;
//get owner and permissions
query << "SELECT f.`owner`, f.`file_group`, f.`owner_write`, f.`group_write`, f.`others_write` FROM `files` f JOIN `directories` d ON d.`did` = f.`directory` WHERE d.`path`='" << unslash(sanitize(r.getData()->path)) << "' AND f.`name`='" << sanitize(r.getData()->name) << "'";
result1=mycon.query(query.str());
if((result1==0)||(mysql_num_rows(result1)!=1))
{
retStruct.result=0;
retStruct.reason=strdup("File could not be found in the database\n");
if(result1!=0)
{
mysql_free_result(result1);
}
return retStruct;
}
permissions_row = mysql_fetch_row(result1);
//get uid an compare
query.str("");
query << "SELECT `uid` FROM `users` WHERE `name` = '" << sanitize(r.getData()->sharedInfo.user_name) << "'";
result2 = mycon.query(query.str());
if((result2==0)||(mysql_num_rows(result2)!=1))
{
retStruct.result=-1;
retStruct.reason=strdup("The user could not be found in the database\n");
if(result2!=0)
{
mysql_free_result(result2);
}
return retStruct;
}
row = mysql_fetch_row(result2);
sscanf(row[0],"%lld",&uid);
mysql_free_result(result2);
sscanf(permissions_row[0],"%lld",&ownerid);
if(uid==ownerid)
{
//login is owner
if(strcmp(permissions_row[2],"0")==0)
{
retStruct.result=-1;
retStruct.reason=strdup("You don't have permissions to write this file\n");