Secure PHP Development- P132 ppsx

Listing 17-5 Continuedreturn TRUE; } return FALSE; } function createSymLink$user = null, $vhost = null { $link = sprintf“%s/%s/%s”, $GLOBALS[SYSTEM_INFO][home_dir],$user, $vhost; $cmd =

Listing 17-5 (Continued)

return TRUE;

} return FALSE;

}

function createSymLink($user = null, $vhost = null) {

$link = sprintf(“%s/%s/%s”, $GLOBALS[SYSTEM_INFO][home_dir],$user, $vhost);

$cmd = sprintf(“%s %s %s %s”, $GLOBALS[SYSTEM_INFO][symlink_bin],

$GLOBALS[SYSTEM_INFO][symlink_opt],

$GLOBALS[SITE_INFO][SERVER_ROOT],

$link );

echo “Creating symbolic link using $cmd\n”;

if (file_exists($link)) {

echo “Warning! Symlink: $link already exists.\n”;

return TRUE;

}

exec($cmd, $output, $status);

if ($status) {

echo “Error: could not make symbolic link: $cmd\n”;

return FALSE;

} return TRUE;

}

function removeTestPage() {

$testFile = sprintf(“%s/test.txt”, $GLOBALS[SITE_INFO][DOCUMENT_ROOT]);

if (! file_exists($testFile)) {

return FALSE;

$status = unlink($testFile);

return $status;

}

function testNewSite($host = null) {

// Write a test page in document root // of the new site

if (! writeTestPage()) {

echo “Could not write test page in $GLOBALS[SITE_INFO][DOCUMENT_ROOT]

\n”;

return FALSE;

}

$url = sprintf(“http://%s/test.txt”, $host);

echo “Testing: requesting $url ”;

$fp = fopen($url, ‘r’);

if ($fp) { while(!feof($fp)) {

$buffer = fgets($fp, 1024);

}

removeTestPage();

if (preg_match(‘/SUCCESS/’, $buffer)) {

echo “successful.\n”;

return TRUE;

} else { echo “failed.\n”;

} }

Continued

Listing 17-5 (Continued)

return FALSE;

}

function appendVhostConfigToApacheConfig($vhostFile = null) {

$httpdConf = sprintf(“%s/%s/%s”, $GLOBALS[APACHE_INFO][path],

$GLOBALS[APACHE_INFO][conf_dir],

$GLOBALS[APACHE_INFO][conf_flie] );

if (! file_exists($httpdConf)) {

echo “Error: could not find $httpdConf\n”;

return FALSE;

}

$newDirective = “#\n#\n# Following line loads configuration\n”;

$newDirective = “# for the “ basename($vhostFile) “ virtual host\n”;

$newDirective = “Include $vhostFile \n\n\n”;

echo “Appending Include $vhostFile in $httpdConf\n”;

if (DEBUG) echo $newDirective;

$fp = fopen($httpdConf, ‘a’);

if (! $fp) {

echo “Error: could not open $httpdConf in append mode.\n”;

return FALSE;

}

fputs($fp, $newDirective);

fclose($fp);

return TRUE;

}

function makeDirectory($mode = ‘0750’, $path = null)

}

function setPermissions($mode = null, $path = null) {

$cmd = $GLOBALS[SYSTEM_INFO][chmod_bin] “ -R $mode $path”;

if (DEBUG) echo “$cmd\n”;

exec($cmd);

}

function setOwnerAndGroup($user = null, $group = null, $path = null) {

$cmd = $GLOBALS[SYSTEM_INFO][chown_bin] “ -R $user:$group $path”;

if (DEBUG) echo “$cmd\n”;

exec($cmd);

}

function writeVirtualConfigFile($contents = null, $file = null) {

$fp = fopen($file, ‘w’);

if (! $fp) {

echo “Cannot write $file !\n”;

return FALSE;

}

fputs($fp, $contents);

fclose($fp);

return TRUE;

}

function loadVhostTemplate($template = null) {

$file = sprintf(“%s/%s”, $GLOBALS[TEMPLATE_DIR], $template);

$contents = null;

if (!file_exists($file)) {

echo “Virtual host template $file does not exists!\n”;

return null;

}

Continued

Listing 17-5 (Continued)

// Load template require_once($file);

$contents = makeVirtualHost();

return $contents;

}

function checkVhostName($host = null) {

$hostParts = explode(‘.’, $host);

// host must be at least: domain.tld return (count($hostParts) <= 1) ? FALSE : TRUE;

}

function makeAddRequest($cmd = null) {

$request = array();

$request[vhost] = strtolower(getValue($cmd, ‘v’, ‘vhost’));

$request[user] = strtolower(getValue($cmd, ‘u’, ‘user’));

$request[group] = strtolower(getValue($cmd, ‘g’, ‘group’));

$request[restart] = getValue($cmd, ‘r’, ‘restart’);

$request[test] = $cmd[test];

$request[passwd] = getValue($cmd, ‘p’, ‘pass’);

$request[type] = getValue($cmd, ‘t’, ‘type’);

$request[type] = ($request[type] != null) ?

$request[type] : DEFAULT_ACCOUNT_TYPE;

$request[notify_email] = (isset($cmd[notify_email])) ? strtolower($cmd[notify_email]) : null;

if (empty($request[vhost]) ||

empty($request[user]) ||

empty($request[type]) )

{ echo “You must provide vhost user type “

“values to create a new virtual host.\n”;

return null;

}

// Remove leading or trailing dots from hostname