Ejemplo n.º 1
0
/**************************************
Broadcast upload of a character file to all in_game context on the same map
**************************************/
void context_broadcast_character(const char * character)
{
	context_t * ctx = NULL;
	context_t * character_ctx = NULL;
	char * filename;

	context_lock_list();

	character_ctx = context_find(character);

	ctx = context_list_start;

	if( ctx == NULL ) {
		context_unlock_list();
		return;
	}

	filename = strconcat(CHARACTER_TABLE,"/",character,NULL);

	do {
		if( context_is_npc(ctx) == true ) {
			continue;
		}

		/* Skip if not in game */
		if( ctx->in_game == false ) {
			continue;
		}

		/* Skip if not on the same map */
		if( ctx->map) {
			if( strcmp(character_ctx->map,ctx->map) != 0 ) {
				continue;
			}
		}

		network_send_file(ctx,filename);

	} while( (ctx=ctx->next)!= NULL );

	free(filename);

	context_unlock_list();
}
Ejemplo n.º 2
0
/**************************************
Return RET_NOK on error
**************************************/
ret_code_t parse_incoming_data(context_t * context, Uint32 command, Uint32 command_size, char * data)
{
	char * value = NULL;
	char * fullname;
	char * elements[512];
	char * cksum;
	int i;
	char * user_name;
	char * password;

	if( !context_get_connected(context) && ( command != CMD_REQ_LOGIN  && command != CMD_REQ_FILE) ) {
		werr(LOGUSER,"Request from not authenticated client, close connection");
		return RET_NOK;
	}

	switch(command) {
	case CMD_REQ_LOGIN:
		wlog(LOGDEBUG,"Received CMD_REQ_LOGIN");
		user_name = _strsep(&data,NETWORK_DELIMITER);
		password = _strsep(&data,NETWORK_DELIMITER);

		if(entry_read_string(PASSWD_TABLE, user_name, &value, PASSWD_KEY_PASSWORD,NULL) == RET_NOK) {
			return RET_NOK;
		}
		if( strcmp(value, password) != 0) {
			free(value);
			werr(LOGUSER,"Wrong login for %s",user_name);
			// send answer
			network_send_command(context, CMD_SEND_LOGIN_NOK, 0, NULL, false);
			// force client disconnection
			return RET_NOK;
		} else {
			free(value);

			if( context_set_username(context, user_name) == RET_NOK ) {
				return RET_NOK;
			}
			context_set_connected(context, true);

			// send answer
			network_send_command(context, CMD_SEND_LOGIN_OK, 0, NULL, false);
			wlog(LOGUSER,"Login successful for user %s",context->user_name);
		}
		break;
	case CMD_REQ_CHARACTER_LIST :
		wlog(LOGDEBUG,"Received CMD_REQ_CHARACTER_LIST");
		character_send_list(context);
		wlog(LOGDEBUG,"character list sent");
		break;
	case CMD_REQ_FILE :
		i = 0;
		elements[i] = _strsep(&data,NETWORK_DELIMITER);
		while(elements[i]) {
			i++;
			elements[i] = _strsep(&data,NETWORK_DELIMITER);
		}

		if(elements[0]==NULL || elements[1]==NULL) {
			werr(LOGDEV,"Received erroneous CMD_REQ_FILE");
			break;
		}
		wlog(LOGDEBUG,"Received CMD_REQ_FILE for %s",elements[0]);
		/* compare checksum */
		fullname = strconcat(base_directory,"/",elements[0],NULL);

		cksum = checksum_file(fullname);
		free(fullname);

		if( cksum == NULL) {
			werr(LOGUSER,"Required file %s doesn't exists",elements[0]);
			break;
		}

		if( strcmp(elements[1],cksum) == 0 ) {
			wlog(LOGDEBUG,"Client has already newest %s file",elements[0]);
			free(cksum);
			break;
		}
		free(cksum);

		network_send_file(context,elements[0]);
		wlog(LOGDEBUG,"File %s sent",elements[0]);
		break;
	case CMD_REQ_USER_CHARACTER_LIST :
		wlog(LOGDEBUG,"Received CMD_REQ_USER_CHARACTER_LIST");
		character_user_send_list(context);
		wlog(LOGDEBUG,"user %s's character list sent",context->user_name);
		break;
	case CMD_REQ_START :
		if( context->in_game == false ) {
			context->id = strdup(data);
			context->in_game = true;
			context_update_from_file(context);
			context_spread(context);
			context_request_other_context(context);
		}
		wlog(LOGDEBUG,"Received CMD_REQ_START for %s /%s",context->user_name,context->id);
		break;
	case CMD_REQ_STOP :
		wlog(LOGDEBUG,"Received CMD_REQ_STOP for %s /%s",context->user_name,context->id);
		if( context->in_game == true ) {
			context->in_game = false;
			if( context->map ) {
				free(context->map);
			}
			context->map = NULL;
			if( context->prev_map ) {
				free(context->prev_map);
			}
			context->prev_map = NULL;
			if( context->id ) {
				free(context->id);
			}
			context->id = NULL;
			context_spread(context);
		}
		break;
	case CMD_REQ_ACTION :
		i = 0;
		elements[i] = NULL;
		elements[i] = _strsep(&data,NETWORK_DELIMITER);
		while(elements[i]) {
			i++;
			elements[i] = _strsep(&data,NETWORK_DELIMITER);
		}
		elements[i+1] = NULL;

		wlog(LOGDEBUG,"Received CMD_REQ_ACTION %s from %s /%s",elements[0],context->user_name,context->character_name);

		action_execute(context,elements[0],&elements[1]);
		break;
	default:
		werr(LOGDEV,"Unknown request %d from client",command);
		return RET_NOK;
	}

	return RET_OK;
}