/**
* localize important stuff
*
* @access public
*/
public function __construct(Linfo $linfo)
{
$settings = $linfo->getSettings();
// Localize error handler
$this->_LinfoError = LinfoError::Singleton();
// Should we hide mac addresses, to prevent stuff like mac address spoofing?
$this->_hide_mac = array_key_exists('dhcpd3_hide_mac', $settings) ? (bool) $settings['dhcpd3_hide_mac'] : false;
// Find leases file
$this->_leases_file = LinfoCommon::locateActualPath(array('/var/lib/dhcp/dhcpd.leases', '/var/lib/dhcp3/dhcpd.leases', '/var/lib/dhcpd/dhcpd.leases', '/var/state/dhcp/dhcpd.leases', '/var/db/dhcpd/dhcpd.leases', '/var/db/dhcpd.leases'));
}
/**
* getDevs
*
* @access private
* @return array of devices
*/
public function getDevs()
{
// Time?
if (!empty($this->settings['timer'])) {
$t = new LinfoTimerStart('Hardware Devices');
}
// Location of useful paths
$pci_ids = LinfoCommon::locateActualPath(array('/usr/share/misc/pci.ids', '/usr/share/pci.ids', '/usr/share/hwdata/pci.ids'));
$usb_ids = LinfoCommon::locateActualPath(array('/usr/share/misc/usb.ids', '/usr/share/usb.ids', '/usr/share/hwdata/usb.ids'));
// Did we not get them?
$pci_ids || $this->error->add('Linux Device Finder', 'Cannot find pci.ids; ensure pciutils is installed.');
$usb_ids || $this->error->add('Linux Device Finder', 'Cannot find usb.ids; ensure usbutils is installed.');
// Class that does it
$hw = new HW_IDS($usb_ids, $pci_ids);
$hw->work('linux');
return $hw->result();
}
/**
* @test
*/
public function locateActualPath()
{
$paths = array(LINFO_TESTDIR . '/files/test1.txt', LINFO_TESTDIR . '/files/test2.txt', LINFO_TESTDIR . '/files/test3.txt');
$real = LINFO_TESTDIR . '/files/test2.txt';
$this->assertEquals($real, LinfoCommon::locateActualPath($paths));
}
/**
* Run a command and cache its output for later
*
* @throws CallExtException
* @param string $name name of executable to call
* @param string $switches command arguments
*/
public function exec($name, $switches = '')
{
// Sometimes it is necessary to call a program with sudo
$attempt_sudo = array_key_exists('sudo_apps', self::$settings) && in_array($name, self::$settings['sudo_apps']);
// Have we gotten it before?
if (array_key_exists($name . $switches, $this->cliCache)) {
return $this->cliCache[$name . $switches];
}
// Try finding the exec
foreach ($this->searchPaths as $path) {
// Found it; run it
if (is_file($path . $name) && is_executable($path . $name)) {
// Complete command, path switches and all
$command = "{$path}{$name} {$switches}";
// Sudoing?
$command = $attempt_sudo ? LinfoCommon::locateActualPath(LinfoCommon::arrayAppendString($this->searchPaths, 'sudo', '%2s%1s')) . ' ' . $command : $command;
// Result of command
$result = `{$command}`;
// Increment call count
self::$callCount++;
// Cache that
$this->cliCache[$name . $switches] = $result;
// Give result
return $result;
}
}
// Never got it
throw new CallExtException('Exec `' . $name . '\' not found');
}
