%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-only
*/
namespace OCA\ServerInfo\OperatingSystems;
use OCA\ServerInfo\Resources\Disk;
use OCA\ServerInfo\Resources\Memory;
use OCA\ServerInfo\Resources\NetInterface;
use RuntimeException;
class FreeBSD implements IOperatingSystem {
private const AF_INET = 2;
private const AF_INET6 = 28;
public function supported(): bool {
return false;
}
public function getMemory(): Memory {
$data = new Memory();
try {
$swapinfo = $this->executeCommand('/usr/sbin/swapinfo -k');
} catch (RuntimeException $e) {
$swapinfo = '';
}
$matches = [];
$pattern = '/(?>\/dev\/\S+)\s+(?>\d+)\s+(?<Used>\d+)\s+(?<Avail>\d+)\s+(?<Capacity>\d+)/';
$result = preg_match_all($pattern, $swapinfo, $matches);
if ($result !== 0) {
$data->setSwapTotal((int)((int)array_sum($matches['Avail']) / 1024));
$data->setSwapFree(($data->getSwapTotal() - (int)((int)array_sum($matches['Used']) / 1024)));
}
unset($matches, $result);
try {
$meminfo = $this->executeCommand('/sbin/sysctl -n hw.realmem hw.pagesize vm.stats.vm.v_inactive_count vm.stats.vm.v_cache_count vm.stats.vm.v_free_count');
} catch (RuntimeException $e) {
$meminfo = '';
}
$lines = array_map('intval', explode("\n", $meminfo));
if (count($lines) > 4) {
$data->setMemTotal((int)($lines[0] / 1024 / 1024));
$data->setMemAvailable((int)(($lines[1] * ($lines[2] + $lines[3] + $lines[4])) / 1024 / 1024));
}
unset($lines);
return $data;
}
public function getCpuName(): string {
$data = 'Unknown Processor';
try {
$model = $this->executeCommand('/sbin/sysctl -n hw.model');
$threads = $this->executeCommand('/sbin/sysctl -n kern.smp.cpus');
if ((int)$threads === 1) {
$data = $model . ' (1 thread)';
} else {
$data = $model . ' (' . $threads . ' threads)';
}
} catch (RuntimeException $e) {
return $data;
}
return $data;
}
public function getTime(): string {
try {
return $this->executeCommand('date');
} catch (RuntimeException $e) {
return '';
}
}
public function getUptime(): int {
$uptime = -1;
try {
$shell_boot = $this->executeCommand('/sbin/sysctl -n kern.boottime');
preg_match("/[\d]+/", $shell_boot, $boottime);
$time = $this->executeCommand('date +%s');
$uptime = (int)$time - (int)$boottime[0];
} catch (RuntimeException $e) {
return $uptime;
}
return $uptime;
}
public function getNetworkInfo(): array {
$result = [
'gateway' => '',
'hostname' => \gethostname(),
];
try {
$netstat = $this->executeCommand('netstat -rn');
preg_match_all("/(?<=^default)\s*[0-9a-fA-f\.:]+/m", $netstat, $gw);
if (count($gw[0]) > 0) {
$result['gateway'] = implode(", ", array_map("trim", $gw[0]));
}
} catch (RuntimeException) {
// okay
}
return $result;
}
public function getNetworkInterfaces(): array {
$data = [];
try {
$interfaces = $this->getNetInterfaces();
} catch (RuntimeException) {
return $data;
}
foreach ($interfaces as $interfaceName => $interface) {
$netInterface = new NetInterface($interfaceName, $interface['up']);
$data[] = $netInterface;
foreach ($interface['unicast'] as $unicast) {
if ($unicast['family'] === self::AF_INET) {
$netInterface->addIPv4($unicast['address']);
}
if ($unicast['family'] === self::AF_INET6) {
$netInterface->addIPv6($unicast['address']);
}
}
if ($netInterface->isLoopback()) {
continue;
}
try {
$details = $this->executeCommand('/sbin/ifconfig ' . $interfaceName);
} catch (RuntimeException $e) {
continue;
}
preg_match("/(?<=ether ).*/m", $details, $mac);
if (isset($mac[0])) {
$netInterface->setMAC($mac[0]);
}
preg_match("/\b[0-9].*?(?=base)/m", $details, $speed);
if (isset($speed[0])) {
if (substr($speed[0], -1) === 'G') {
$netInterface->setSpeed(rtrim($speed[0], 'G') . ' Gbps');
} else {
$netInterface->setSpeed($speed[0] . ' Mbps');
}
}
preg_match("/(?<=\<).*(?=-)/m", $details, $duplex);
if (isset($duplex[0])) {
$netInterface->setDuplex($duplex[0]);
}
unset($mac, $speed, $duplex);
}
return $data;
}
public function getDiskInfo(): array {
$data = [];
try {
$disks = $this->executeCommand('df -TPk');
} catch (RuntimeException $e) {
return $data;
}
$matches = [];
$pattern = '/^(?<Filesystem>[\S]+)\s*(?<Type>[\S]+)\s*(?<Blocks>\d+)\s*(?<Used>\d+)\s*(?<Available>\d+)\s*(?<Capacity>\d+%)\s*(?<Mounted>[\w\/-]+)$/m';
$result = preg_match_all($pattern, $disks, $matches);
if ($result === 0 || $result === false) {
return $data;
}
$excluded = ['devfs', 'fdescfs', 'tmpfs', 'devtmpfs', 'procfs', 'linprocfs', 'linsysfs'];
foreach ($matches['Filesystem'] as $i => $filesystem) {
if (in_array($matches['Type'][$i], $excluded, false)) {
continue;
}
$disk = new Disk();
$disk->setDevice($filesystem);
$disk->setFs($matches['Type'][$i]);
$used = (int)((int)$matches['Blocks'][$i] - (int)$matches['Available'][$i]);
$disk->setUsed((int)ceil($used / 1024));
$disk->setAvailable((int)floor((int)$matches['Available'][$i] / 1024));
$disk->setPercent(round(($used * 100 / (int)$matches['Blocks'][$i]), 2) . '%');
$disk->setMount($matches['Mounted'][$i]);
$data[] = $disk;
}
return $data;
}
public function getThermalZones(): array {
return [];
}
/**
* Execute a command with shell_exec.
*
* The command will be escaped with escapeshellcmd.
*
* @throws RuntimeException if shell_exec is unavailable, the command failed or an empty response.
*/
protected function executeCommand(string $command): string {
if (function_exists('shell_exec') === false) {
throw new RuntimeException('shell_exec unavailable');
}
$output = shell_exec(escapeshellcmd($command));
if ($output === false || $output === null || $output === '') {
throw new RuntimeException('No output for command: "' . $command . '"');
}
return $output;
}
/**
* Wrapper for net_get_interfaces
*
* @throws RuntimeException
*/
protected function getNetInterfaces(): array {
$data = net_get_interfaces();
if ($data === false) {
throw new RuntimeException('Unable to get network interfaces');
}
return $data;
}
}
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