Improved web authentication token generation (#5205)

Fixes #5189

Thanks to @bgamez23 and @Badarosk0
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Lemongrass3110 2020-07-13 08:29:15 +02:00 committed by GitHub
parent 5cc391b2ea
commit b12cef18d2
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@ -645,13 +645,37 @@ static bool mmo_auth_tosql(AccountDB_SQL* db, const struct mmo_account* acc, boo
}
if( acc->sex != 'S' && login_config.use_web_auth_token ){
static bool initialized = false;
static const char* query;
// Pseudo Scope to break out
while( !initialized ){
if( SQL_SUCCESS == Sql_Query( sql_handle, "SELECT SHA2( 'test', 256 )" ) ){
query = "UPDATE `%s` SET `web_auth_token` = LEFT( SHA2( CONCAT( UUID(), RAND() ), 256 ), %d ), `web_auth_token_enabled` = '1' WHERE `account_id` = '%d'";
initialized = true;
break;
}
if( SQL_SUCCESS == Sql_Query( sql_handle, "SELECT MD5( 'test' )" ) ){
query = "UPDATE `%s` SET `web_auth_token` = LEFT( MD5( CONCAT( UUID(), RAND() ) ), %d ), `web_auth_token_enabled` = '1' WHERE `account_id` = '%d'";
initialized = true;
break;
}
ShowWarning( "Your MySQL does not support SHA2 and MD5 - no hashing will be used for login token creation.\n" );
ShowWarning( "If you are using an old version of MySQL consider upgrading to a newer release.\n" );
query = "UPDATE `%s` SET `web_auth_token` = LEFT( CONCAT( UUID(), RAND() ), %d ), `web_auth_token_enabled` = '1' WHERE `account_id` = '%d'";
initialized = true;
break;
}
const int MAX_RETRIES = 20;
int i = 0;
bool success = false;
// Retry it for a maximum number of retries
do{
if( SQL_SUCCESS == Sql_Query( sql_handle, "UPDATE `%s` SET `web_auth_token` = LEFT( SHA2( CONCAT( UUID(), RAND() ), 256 ), %d ), `web_auth_token_enabled` = '1' WHERE `account_id` = '%d'", db->account_db, WEB_AUTH_TOKEN_LENGTH - 1, acc->account_id ) ){
if( SQL_SUCCESS == Sql_Query( sql_handle, query, db->account_db, WEB_AUTH_TOKEN_LENGTH - 1, acc->account_id ) ){
success = true;
break;
}