rathena/src/login/loginlog.cpp
Aleos c5a5c54518
Converted remaining C comments (#3927)
* Converted remaining documentation that references .c or .h files.
2019-02-09 15:08:45 -05:00

215 lines
6.1 KiB
C++

// Copyright (c) rAthena Dev Teams - Licensed under GNU GPL
// For more information, see LICENCE in the main folder
#include "loginlog.hpp"
#include <stdlib.h> // exit
#include <string.h>
#include "../common/cbasetypes.hpp"
#include "../common/mmo.hpp"
#include "../common/showmsg.hpp"
#include "../common/socket.hpp"
#include "../common/sql.hpp"
#include "../common/strlib.hpp"
// global sql settings (in ipban_sql.cpp)
static char global_db_hostname[64] = "127.0.0.1"; // Doubled to reflect the change on commit #0f2dd7f
static uint16 global_db_port = 3306;
static char global_db_username[32] = "ragnarok";
static char global_db_password[32] = ""; //empty by default since mysql is empty by default as well
static char global_db_database[32] = "ragnarok";
static char global_codepage[32] = "";
// local sql settings
static char log_db_hostname[64] = ""; // Doubled to reflect the change on commit #0f2dd7f
static uint16 log_db_port = 0;
static char log_db_username[32] = "";
static char log_db_password[32] = "";
static char log_db_database[32] = "";
static char log_codepage[32] = "";
static char log_login_db[256] = "loginlog";
static Sql* sql_handle = NULL;
static bool enabled = false;
/**
* Get the number of failed login attempts by the ip in the last minutes.
* @param ip: ip to search attempt from
* @param minutes: intervall to search
* @return number of failed attempts
*/
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` = '0' OR `rcode` = '1') AND `time` > NOW() - INTERVAL %d MINUTE",
log_login_db, 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.
* @param ip:
* @param username:
* @param rcode:
* @param message:
*/
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;
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, ip2str(ip,NULL), esc_username, rcode, esc_message);
if( retcode != SQL_SUCCESS )
Sql_ShowDebug(sql_handle);
}
/**
* Read configuration options.
* @param key: config keyword
* @param value: config value for keyword
* @return true if successful, false if config not complete or server already running
*/
bool loginlog_config_read(const char* key, const char* value) {
const char* signature;
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;
}
/// Constructor destructor
/**
* Initialize the module.
* Launched at login-serv start, create db or other long scope variable here.
* @return true if success else exit execution
*/
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) )
{
ShowError("Couldn't connect with uname='%s',passwd='%s',host='%s',port='%d',database='%s'\n",
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;
}
/**
* Handler to cleanup module, called when login-server stops.
* Currently closing sql connection to log schema.
* @return true success
*/
bool loginlog_final(void) {
Sql_Free(sql_handle);
sql_handle = NULL;
return true;
}