function queryTerminal($object_id, $commands, $tolerate_remote_errors = TRUE) { $objectInfo = spotEntity('object', $object_id); $endpoints = findAllEndpoints($object_id, $objectInfo['name']); if (count($endpoints) == 0) { throw new RTGatewayError('no management address set'); } if (count($endpoints) > 1) { throw new RTGatewayError('cannot pick management address'); } // telnet prompt and mode specification switch ($breed = detectDeviceBreed($object_id)) { case 'ios12': case 'fdry5': case 'ftos8': $protocol = 'netcat'; // default is netcat mode $prompt = '^(Login|Username|Password): $|^\\S+[>#]$'; // set the prompt in case user would like to specify telnet protocol break; case 'air12': $protocol = 'telnet'; # Aironet IOS is broken $prompt = '^(Username|Password): $|^\\S+[>#]$'; break; case 'vrp53': case 'vrp55': $protocol = 'telnet'; $prompt = '^\\[[^[\\]]+\\]$|^<[^<>]+>$|^(Username|Password):$|(?:\\[Y\\/N\\]|\\(Y\\/N\\)\\[[YN]\\]):?$'; break; case 'nxos4': $protocol = 'telnet'; $prompt = '(^([Ll]ogin|[Pp]assword):|[>#]) $'; break; case 'xos12': $protocol = 'telnet'; $prompt = ': $|\\.\\d+ # $|\\?\\s*\\([Yy]\\/[Nn]\\)\\s*$'; break; case 'jun10': $protocol = 'telnet'; $prompt = '^login: $|^Password:$|^\\S+@\\S+[>#] $'; break; case 'eos4': $protocol = 'telnet'; # strict RFC854 implementation, netcat won't work $prompt = '^(\\xf2?login|Username|Password): $|^\\S+[>#]$'; break; case 'ros11': $protocol = 'netcat'; # see ftos8 case $prompt = '^(User Name|\\rPassword):$|^\\r?\\S+# $'; break; case 'iosxr4': $protocol = 'telnet'; $prompt = '^\\r?(Login|Username|Password): $|^\\r?\\S+[>#]$'; break; case 'ucs': $protocol = 'ucssdk'; break; default: $protocol = 'netcat'; $prompt = NULL; } // set the default settings before calling user-defined callback $settings = array('hostname' => $endpoints[0], 'protocol' => $protocol, 'port' => NULL, 'prompt' => $prompt, 'username' => NULL, 'password' => NULL, 'timeout' => 15, 'connect_timeout' => 2, 'prompt_delay' => 0.001, 'sudo_user' => NULL, 'identity_file' => NULL); if (is_callable('terminal_settings')) { call_user_func('terminal_settings', $objectInfo, array(&$settings)); } // override settings if (!isset($settings['port']) and $settings['protocol'] == 'netcat') { $settings['port'] = 23; } $params = array($settings['hostname']); $params_from_settings = array(); switch ($settings['protocol']) { case 'telnet': case 'netcat': // prepend command list with vendor-specific disabling pager command switch ($breed) { case 'ios12': $commands = "terminal length 0\n" . $commands; break; case 'nxos4': case 'air12': case 'ftos8': $commands = "terminal length 0\nterminal no monitor\n" . $commands; break; case 'xos12': $commands = "disable clipaging\n" . $commands; break; case 'vrp55': $commands = "screen-length 0 temporary\n" . $commands; break; case 'fdry5': $commands = "skip-page-display\n" . $commands; break; case 'jun10': $commands = "set cli screen-length 0\n" . $commands; break; case 'eos4': $commands = "enable\nno terminal monitor\nterminal length 0\n" . $commands; break; case 'ros11': $commands = "terminal datadump\n" . $commands; $commands .= "\n\n"; # temporary workaround for telnet server break; case 'iosxr4': $commands = "terminal length 0\nterminal monitor disable\n" . $commands; break; case 'dlink': $commands = "disable clipaging\n" . $commands; break; } // prepend telnet commands by credentials if (isset($settings['password'])) { $commands = $settings['password'] . "\n" . $commands; } if (isset($settings['username'])) { $commands = $settings['username'] . "\n" . $commands; } // command-line options are specific to client: telnet or netcat switch ($settings['protocol']) { case 'telnet': $params_from_settings['port'] = 'port'; $params_from_settings['prompt'] = 'prompt'; $params_from_settings['connect-timeout'] = 'connect_timeout'; $params_from_settings['timeout'] = 'timeout'; $params_from_settings['prompt-delay'] = 'prompt_delay'; break; case 'netcat': $params_from_settings['p'] = 'port'; $params_from_settings['w'] = 'timeout'; $params_from_settings['b'] = 'ncbin'; break; } break; case 'ssh': $params_from_settings['port'] = 'port'; $params_from_settings['proto'] = 'proto'; $params_from_settings['username'] = '******'; $params_from_settings['i'] = 'identity_file'; $params_from_settings['sudo-user'] = '******'; $params_from_settings['connect-timeout'] = 'connect_timeout'; break; case 'ucssdk': # remote XML through a Python backend $params = array(); # reset # UCS in its current implementation besides the terminal_settings() provides # an additional username/password feed through the HTML from. Whenever the # user provides the credentials through the form, use these instead of the # credentials [supposedly] set by terminal_settings(). if ($script_mode != TRUE && !isCheckSet('use_terminal_settings')) { genericAssertion('ucs_login', 'string'); genericAssertion('ucs_password', 'string'); $settings['username'] = $_REQUEST['ucs_login']; $settings['password'] = $_REQUEST['ucs_password']; } foreach (array('hostname', 'username', 'password') as $item) { if (empty($settings[$item])) { throw new RTGatewayError("{$item} not available, check terminal_settings()"); } } $commands = "login {$settings['hostname']} {$settings['username']} {$settings['password']}\n" . $commands; break; default: throw RTGatewayError("Invalid terminal protocol '{$settings['protocol']}' specified"); } foreach ($params_from_settings as $param_name => $setting_name) { if (isset($settings[$setting_name])) { if (is_int($param_name)) { $params[] = $settings[$setting_name]; } else { $params[$param_name] = $settings[$setting_name]; } } } callHook('alterTerminalParams', $object_id, $tolerate_remote_errors, array(&$settings['protocol']), array(&$params)); $ret_code = callScript($settings['protocol'], $params, $commands, $out, $errors); if ($settings['protocol'] != 'ssh' || !$tolerate_remote_errors) { if (!empty($errors)) { throw new RTGatewayError("{$settings['protocol']} error: " . rtrim($errors)); } elseif ($ret_code !== 0) { throw new RTGatewayError("{$settings['protocol']} error: result code {$ret_code}"); } } elseif (!empty($errors)) { // ssh and tolerate and non-empty $errors foreach (explode("\n", $errors) as $line) { if (strlen($line)) { showWarning("{$settings['protocol']} {$settings['hostname']}: {$line}"); } } } return strtr($out, array("\r" => "")); // cut ^M symbols }
function queryTerminal($object_id, $commands, $tolerate_remote_errors = TRUE) { $objectInfo = spotEntity('object', $object_id); $endpoints = findAllEndpoints($object_id, $objectInfo['name']); if (count($endpoints) == 0) { throw new RTGatewayError('no management address set'); } if (count($endpoints) > 1) { throw new RTGatewayError('cannot pick management address'); } // telnet prompt and mode specification switch ($breed = detectDeviceBreed($object_id)) { case 'ios12': case 'ftos8': $protocol = 'netcat'; // default is netcat mode $prompt = '^(Login|[Uu]sername|Password): $|^\\S+[>#]$|\\[[^][]*\\]\\? $'; // set the prompt in case user would like to specify telnet protocol $commands = "terminal length 0\nterminal no monitor\n" . $commands; break; case 'air12': $protocol = 'telnet'; # Aironet IOS is broken $prompt = '^(Username|Password): $|^\\S+[>#]$'; $commands = "terminal length 0\nterminal no monitor\n" . $commands; break; case 'fdry5': $protocol = 'netcat'; // default is netcat mode $prompt = '^(Login|Username|Password): $|^\\S+[>#]$'; // set the prompt in case user would like to specify telnet protocol $commands = "skip-page-display\n" . $commands; break; case 'vrp55': case 'vrp85': $commands = "screen-length 0 temporary\n" . $commands; /* fall-through */ /* fall-through */ case 'vrp53': $protocol = 'telnet'; $prompt = '^\\[[^[\\]]+\\]$|^<[^<>]+>$|^(Username|Password):$|\\[[Yy][^\\[\\]]*\\]\\s*:?\\s*$'; break; case 'nxos4': $protocol = 'telnet'; $prompt = '(^([Ll]ogin|[Pp]assword):|[>#]) $'; $commands = "terminal length 0\nterminal no monitor\n" . $commands; break; case 'xos12': $protocol = 'telnet'; $prompt = ': $|\\.\\d+ # $|\\?\\s*\\([Yy]\\/[Nn]\\)\\s*$'; $commands = "disable clipaging\n" . $commands; break; case 'jun10': $protocol = 'telnet'; $prompt = '^login: $|^Password:$|^\\S+@\\S+[>#] $'; $commands = "set cli screen-length 0\n" . $commands; break; case 'eos4': $protocol = 'telnet'; # strict RFC854 implementation, netcat won't work $prompt = '^\\xf2?(login|Username|Password): $|^\\S+[>#]$'; $commands = "enable\nno terminal monitor\nterminal length 0\n" . $commands; break; case 'ros11': $protocol = 'netcat'; # see ftos8 case $prompt = '^(User Name|\\rPassword):$|^\\r?\\S+# $'; $commands = "terminal datadump\n" . $commands; $commands .= "\n\n"; # temporary workaround for telnet server break; case 'iosxr4': $protocol = 'telnet'; $prompt = '^\\r?(Login|Username|Password): $|^\\r?\\S+[>#]$'; $commands = "terminal length 0\nterminal monitor disable\n" . $commands; break; case 'ucs': $protocol = 'ucssdk'; break; case 'dlink': $protocol = 'netcat'; $commands = "disable clipaging\n" . $commands; break; } if (!isset($protocol)) { $protocol = 'netcat'; } if (!isset($prompt)) { $prompt = NULL; } // set the default settings before calling user-defined callback $settings = array('hostname' => $endpoints[0], 'protocol' => $protocol, 'port' => NULL, 'prompt' => $prompt, 'username' => NULL, 'password' => NULL, 'timeout' => 15, 'connect_timeout' => 2, 'prompt_delay' => 0.001, 'sudo_user' => NULL, 'identity_file' => NULL); // override default settings if (is_callable('terminal_settings')) { call_user_func('terminal_settings', $objectInfo, array(&$settings)); } // make gateway-specific CLI params out of settings $params = callHook('makeGatewayParams', $object_id, $tolerate_remote_errors, array(&$settings), array(&$commands)); // call gateway $ret_code = callScript($settings['protocol'], $params, $commands, $out, $errors); if ($settings['protocol'] != 'ssh' || !$tolerate_remote_errors) { if (!empty($errors)) { throw new RTGatewayError("{$settings['protocol']} error: " . rtrim($errors)); } elseif ($ret_code !== 0) { throw new RTGatewayError("{$settings['protocol']} error: result code {$ret_code}"); } } elseif (!empty($errors)) { // ssh and tolerate and non-empty $errors foreach (explode("\n", $errors) as $line) { if (strlen($line)) { showWarning("{$settings['protocol']} {$settings['hostname']}: {$line}"); } } } return strtr($out, array("\r" => "")); // cut ^M symbols }