215 lines
6.1 KiB
C++
215 lines
6.1 KiB
C++
// Copyright (c) rAthena Dev Teams - Licensed under GNU GPL
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// For more information, see LICENCE in the main folder
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#include "loginlog.hpp"
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#include <stdlib.h> // exit
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#include <string.h>
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#include "../common/cbasetypes.hpp"
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#include "../common/mmo.hpp"
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#include "../common/showmsg.hpp"
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#include "../common/socket.hpp"
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#include "../common/sql.hpp"
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#include "../common/strlib.hpp"
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// global sql settings (in ipban_sql.cpp)
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static char global_db_hostname[64] = "127.0.0.1"; // Doubled to reflect the change on commit #0f2dd7f
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static uint16 global_db_port = 3306;
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static char global_db_username[32] = "ragnarok";
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static char global_db_password[32] = ""; //empty by default since mysql is empty by default as well
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static char global_db_database[32] = "ragnarok";
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static char global_codepage[32] = "";
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// local sql settings
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static char log_db_hostname[64] = ""; // Doubled to reflect the change on commit #0f2dd7f
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static uint16 log_db_port = 0;
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static char log_db_username[32] = "";
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static char log_db_password[32] = "";
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static char log_db_database[32] = "";
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static char log_codepage[32] = "";
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static char log_login_db[256] = "loginlog";
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static Sql* sql_handle = NULL;
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static bool enabled = false;
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/**
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* Get the number of failed login attempts by the ip in the last minutes.
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* @param ip: ip to search attempt from
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* @param minutes: intervall to search
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* @return number of failed attempts
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*/
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unsigned long loginlog_failedattempts(uint32 ip, unsigned int minutes) {
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unsigned long failures = 0;
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if( !enabled )
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return 0;
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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",
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log_login_db, ip2str(ip,NULL), minutes) )// how many times failed account? in one ip.
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Sql_ShowDebug(sql_handle);
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if( SQL_SUCCESS == Sql_NextRow(sql_handle) )
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{
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char* data;
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Sql_GetData(sql_handle, 0, &data, NULL);
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failures = strtoul(data, NULL, 10);
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Sql_FreeResult(sql_handle);
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}
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return failures;
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}
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/**
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* Records an event in the login log.
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* @param ip:
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* @param username:
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* @param rcode:
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* @param message:
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*/
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void login_log(uint32 ip, const char* username, int rcode, const char* message) {
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char esc_username[NAME_LENGTH*2+1];
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char esc_message[255*2+1];
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int retcode;
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if( !enabled )
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return;
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Sql_EscapeStringLen(sql_handle, esc_username, username, strnlen(username, NAME_LENGTH));
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Sql_EscapeStringLen(sql_handle, esc_message, message, strnlen(message, 255));
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retcode = Sql_Query(sql_handle,
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"INSERT INTO `%s`(`time`,`ip`,`user`,`rcode`,`log`) VALUES (NOW(), '%s', '%s', '%d', '%s')",
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log_login_db, ip2str(ip,NULL), esc_username, rcode, esc_message);
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if( retcode != SQL_SUCCESS )
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Sql_ShowDebug(sql_handle);
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}
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/**
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* Read configuration options.
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* @param key: config keyword
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* @param value: config value for keyword
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* @return true if successful, false if config not complete or server already running
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*/
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bool loginlog_config_read(const char* key, const char* value) {
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const char* signature;
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signature = "sql.";
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if( strncmpi(key, signature, strlen(signature)) == 0 )
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{
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key += strlen(signature);
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if( strcmpi(key, "db_hostname") == 0 )
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safestrncpy(global_db_hostname, value, sizeof(global_db_hostname));
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else
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if( strcmpi(key, "db_port") == 0 )
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global_db_port = (uint16)strtoul(value, NULL, 10);
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else
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if( strcmpi(key, "db_username") == 0 )
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safestrncpy(global_db_username, value, sizeof(global_db_username));
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else
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if( strcmpi(key, "db_password") == 0 )
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safestrncpy(global_db_password, value, sizeof(global_db_password));
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else
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if( strcmpi(key, "db_database") == 0 )
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safestrncpy(global_db_database, value, sizeof(global_db_database));
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else
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if( strcmpi(key, "codepage") == 0 )
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safestrncpy(global_codepage, value, sizeof(global_codepage));
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else
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return false;// not found
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return true;
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}
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if( strcmpi(key, "log_db_ip") == 0 )
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safestrncpy(log_db_hostname, value, sizeof(log_db_hostname));
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else
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if( strcmpi(key, "log_db_port") == 0 )
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log_db_port = (uint16)strtoul(value, NULL, 10);
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else
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if( strcmpi(key, "log_db_id") == 0 )
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safestrncpy(log_db_username, value, sizeof(log_db_username));
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else
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if( strcmpi(key, "log_db_pw") == 0 )
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safestrncpy(log_db_password, value, sizeof(log_db_password));
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else
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if( strcmpi(key, "log_db_db") == 0 )
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safestrncpy(log_db_database, value, sizeof(log_db_database));
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else
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if( strcmpi(key, "log_codepage") == 0 )
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safestrncpy(log_codepage, value, sizeof(log_codepage));
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else
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if( strcmpi(key, "log_login_db") == 0 )
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safestrncpy(log_login_db, value, sizeof(log_login_db));
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else
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return false;
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return true;
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}
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/// Constructor destructor
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/**
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* Initialize the module.
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* Launched at login-serv start, create db or other long scope variable here.
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* @return true if success else exit execution
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*/
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bool loginlog_init(void) {
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const char* username;
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const char* password;
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const char* hostname;
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uint16 port;
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const char* database;
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const char* codepage;
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if( log_db_hostname[0] != '\0' )
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{// local settings
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username = log_db_username;
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password = log_db_password;
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hostname = log_db_hostname;
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port = log_db_port;
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database = log_db_database;
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codepage = log_codepage;
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}
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else
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{// global settings
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username = global_db_username;
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password = global_db_password;
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hostname = global_db_hostname;
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port = global_db_port;
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database = global_db_database;
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codepage = global_codepage;
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}
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sql_handle = Sql_Malloc();
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if( SQL_ERROR == Sql_Connect(sql_handle, username, password, hostname, port, database) )
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{
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ShowError("Couldn't connect with uname='%s',passwd='%s',host='%s',port='%d',database='%s'\n",
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username, password, hostname, port, database);
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Sql_ShowDebug(sql_handle);
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Sql_Free(sql_handle);
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exit(EXIT_FAILURE);
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}
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if( codepage[0] != '\0' && SQL_ERROR == Sql_SetEncoding(sql_handle, codepage) )
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Sql_ShowDebug(sql_handle);
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enabled = true;
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return true;
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}
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/**
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* Handler to cleanup module, called when login-server stops.
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* Currently closing sql connection to log schema.
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* @return true success
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*/
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bool loginlog_final(void) {
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Sql_Free(sql_handle);
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sql_handle = NULL;
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return true;
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}
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