Example #1
0
static bool client_handle_input(struct client *client)
{
	const char *line, *cmd, *error;
	int ret;

	if (client->url != NULL || client->to_delay != NULL) {
		/* we're still processing a URL. wait until it's
		   finished. */
		io_remove(&client->io);
		client->io = NULL;
		client->waiting_input = TRUE;
		return TRUE;
	}

	if (client->io == NULL) {
		client->io = io_add(client->fd_in, IO_READ,
				    client_input, client);
	}
	client->waiting_input = FALSE;
	timeout_reset(client->to_idle);

	switch (i_stream_read(client->input)) {
	case -1:
		/* disconnected */
		if (client->ctrl_output != NULL)
			(void)o_stream_send_str(client->ctrl_output, "DISCONNECTED\n");
		client_destroy(client);
		return FALSE;
	case -2:
		/* line too long, kill it */
		client_abort(client, "Session aborted: Input line too long");
		return FALSE;
	}

	while ((line = i_stream_next_line(client->input)) != NULL) {
		const char *const *args = t_strsplit_tabescaped(line);

		if (args[0] == NULL)
			continue;
		cmd = args[0]; args++;

		if (client->mail_user == NULL)
			ret = client_handle_user_command(client, cmd, args, &error);
		else
			ret = client_handle_command(client, cmd, args, &error);

		if (ret <= 0) {
			if (ret == 0)
				break;
			i_error("Client input error: %s", error);
			client_abort(client, "Session aborted: Unexpected input");
			return FALSE;
		}
	}
	return TRUE;
}
Example #2
0
static void client_connection_input(struct client_connection *conn)
{
	const char *line;
	bool ok = TRUE;
	int ret;

	if (!conn->handshaked) {
		if ((line = i_stream_read_next_line(conn->input)) == NULL) {
			if (conn->input->eof || conn->input->stream_errno != 0) {
				client_log_disconnect_error(conn);
				client_connection_destroy(&conn);
			}
			return;
		}

		if (!version_string_verify(line, "doveadm-server",
				DOVEADM_SERVER_PROTOCOL_VERSION_MAJOR)) {
			i_error("doveadm client not compatible with this server "
				"(mixed old and new binaries?)");
			client_connection_destroy(&conn);
			return;
		}
		conn->handshaked = TRUE;
	}
	if (!conn->authenticated) {
		if ((ret = client_connection_authenticate(conn)) <= 0) {
			if (ret < 0) {
				o_stream_nsend(conn->output, "-\n", 2);
				client_connection_destroy(&conn);
			}
			return;
		}
		o_stream_nsend(conn->output, "+\n", 2);
		conn->authenticated = TRUE;
	}

	while (ok && !conn->input->closed &&
	       (line = i_stream_read_next_line(conn->input)) != NULL) {
		T_BEGIN {
			char **args;

			args = p_strsplit(pool_datastack_create(), line, "\t");
			ok = client_handle_command(conn, args);
		} T_END;
	}
	if (conn->input->eof || conn->input->stream_errno != 0 || !ok)
		client_connection_destroy(&conn);
}