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/**
* This file is part of Hercules.
* http://herc.ws - http://github.com/HerculesWS/Hercules
*
* Copyright (C) 2012-2015 Hercules Dev Team
* Copyright (C) Athena Dev Teams
*
* Hercules 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, either version 3 of the License, or
* (at your option) any later version.
*
* 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/>.
*/
#define HERCULES_CORE
#include "loginlog.h"
#include "common/cbasetypes.h"
#include "common/mmo.h"
#include "common/nullpo.h"
#include "common/socket.h"
#include "common/sql.h"
#include "common/strlib.h"
#include <stdlib.h> // exit
// global sql settings (in ipban_sql.c)
static char global_db_hostname[32] = "127.0.0.1";
static uint16 global_db_port = 3306;
static char global_db_username[32] = "ragnarok";
static char global_db_password[100] = "ragnarok";
static char global_db_database[32] = "ragnarok";
static char global_codepage[32] = "";
// local sql settings
static char log_db_hostname[32] = "";
static uint16 log_db_port = 0;
static char log_db_username[32] = "";
static char log_db_password[100] = "";
static char log_db_database[32] = "";
static char log_codepage[32] = "";
static char log_login_db[256] = "loginlog";
static struct Sql *sql_handle = NULL;
static bool enabled = false;
// Returns the number of failed login attempts by the ip in the last minutes.
unsigned long loginlog_failedattempts(uint32 ip, unsigned int minutes)
{
unsigned long failures = 0;
if( !enabled )
return 0;
if( SQL_ERROR == SQL->Query(sql_handle, "SELECT count(*) FROM `%s` WHERE `ip` = '%s' AND `rcode` = '1' AND `time` > NOW() - INTERVAL %u MINUTE",
log_login_db, sockt->ip2str(ip,NULL), minutes) )// how many times failed account? in one ip.
Sql_ShowDebug(sql_handle);
if( SQL_SUCCESS == SQL->NextRow(sql_handle) )
{
char* data;
SQL->GetData(sql_handle, 0, &data, NULL);
failures = strtoul(data, NULL, 10);
SQL->FreeResult(sql_handle);
}
return failures;
}
/*=============================================
* Records an event in the login log
*---------------------------------------------*/
// TODO: add an enum of rcode values
void login_log(uint32 ip, const char* username, int rcode, const char* message)
{
char esc_username[NAME_LENGTH*2+1];
char esc_message[255*2+1];
int retcode;
nullpo_retv(username);
nullpo_retv(message);
if( !enabled )
return;
SQL->EscapeStringLen(sql_handle, esc_username, username, strnlen(username, NAME_LENGTH));
SQL->EscapeStringLen(sql_handle, esc_message, message, strnlen(message, 255));
retcode = SQL->Query(sql_handle,
"INSERT INTO `%s`(`time`,`ip`,`user`,`rcode`,`log`) VALUES (NOW(), '%s', '%s', '%d', '%s')",
log_login_db, sockt->ip2str(ip,NULL), esc_username, rcode, esc_message);
if( retcode != SQL_SUCCESS )
Sql_ShowDebug(sql_handle);
}
bool loginlog_init(void)
{
const char* username;
const char* password;
const char* hostname;
uint16 port;
const char* database;
const char* codepage;
if( log_db_hostname[0] != '\0' )
{// local settings
username = log_db_username;
password = log_db_password;
hostname = log_db_hostname;
port = log_db_port;
database = log_db_database;
codepage = log_codepage;
}
else
{// global settings
username = global_db_username;
password = global_db_password;
hostname = global_db_hostname;
port = global_db_port;
database = global_db_database;
codepage = global_codepage;
}
sql_handle = SQL->Malloc();
if( SQL_ERROR == SQL->Connect(sql_handle, username, password, hostname, port, database) )
{
Sql_ShowDebug(sql_handle);
SQL->Free(sql_handle);
exit(EXIT_FAILURE);
}
if( codepage[0] != '\0' && SQL_ERROR == SQL->SetEncoding(sql_handle, codepage) )
Sql_ShowDebug(sql_handle);
enabled = true;
return true;
}
bool loginlog_final(void)
{
SQL->Free(sql_handle);
sql_handle = NULL;
return true;
}
bool loginlog_config_read(const char* key, const char* value)
{
const char* signature;
nullpo_ret(key);
nullpo_ret(value);
signature = "sql.";
if( strncmpi(key, signature, strlen(signature)) == 0 )
{
key += strlen(signature);
if( strcmpi(key, "db_hostname") == 0 )
safestrncpy(global_db_hostname, value, sizeof(global_db_hostname));
else
if( strcmpi(key, "db_port") == 0 )
global_db_port = (uint16)strtoul(value, NULL, 10);
else
if( strcmpi(key, "db_username") == 0 )
safestrncpy(global_db_username, value, sizeof(global_db_username));
else
if( strcmpi(key, "db_password") == 0 )
safestrncpy(global_db_password, value, sizeof(global_db_password));
else
if( strcmpi(key, "db_database") == 0 )
safestrncpy(global_db_database, value, sizeof(global_db_database));
else
if( strcmpi(key, "codepage") == 0 )
safestrncpy(global_codepage, value, sizeof(global_codepage));
else
return false;// not found
return true;
}
if( strcmpi(key, "log_db_ip") == 0 )
safestrncpy(log_db_hostname, value, sizeof(log_db_hostname));
else
if( strcmpi(key, "log_db_port") == 0 )
log_db_port = (uint16)strtoul(value, NULL, 10);
else
if( strcmpi(key, "log_db_id") == 0 )
safestrncpy(log_db_username, value, sizeof(log_db_username));
else
if( strcmpi(key, "log_db_pw") == 0 )
safestrncpy(log_db_password, value, sizeof(log_db_password));
else
if( strcmpi(key, "log_db_db") == 0 )
safestrncpy(log_db_database, value, sizeof(log_db_database));
else
if( strcmpi(key, "log_codepage") == 0 )
safestrncpy(log_codepage, value, sizeof(log_codepage));
else
if( strcmpi(key, "log_login_db") == 0 )
safestrncpy(log_login_db, value, sizeof(log_login_db));
else
return false;
return true;
}
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