channel.py 文件源码

def send(self, payload):

        response = ''
        code = 200
        error = ''

        human_error = ''

        try:
            response = self.channel_loaded.send(
                payload,
                self._additional_handlers()
            )
        except socks.ProxyError as e:
            if e.socket_err and e.socket_err.errno:
                code = e.socket_err.errno
            if e.msg:
                error = str(e.msg)

            human_error = messages.module_shell_php.error_proxy

        except HTTPError as e:
            if e.code:
                code = e.code
            if e.reason:
                error = str(e.reason)

            if code == 404:
                human_error = messages.module_shell_php.error_404_remote_backdoor
            elif code == 500:
                human_error = messages.module_shell_php.error_500_executing
            elif code != 200:
                human_error = messages.module_shell_php.error_i_executing % code

        except URLError as e:
            code = 0
            if e.reason:
                error = str(e.reason)

            human_error = messages.module_shell_php.error_URLError_network

        if response:
            dlog.info('RESPONSE: %s' % repr(response))
        else:
            command_last_chars = utils.prettify.shorten(
                                    payload.rstrip(),
                                    keep_trailer = 10
                                )
            if (
                command_last_chars and
                command_last_chars[-1] not in ( ';', '}' )
                ):
                log.warn(messages.module_shell_php.missing_php_trailer_s % command_last_chars)

        if error or human_error:
            log.debug('[ERR] %s [%s]' % (error, code))
            log.warn(human_error)

        return response, code, error