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check if proc open is enabled ..

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we need to check proc_open if disabled .. because line 93 expect something to return ... and it will lead you to self dos infinite while loop.. and your server will going down .. and the message you will receive is "fork: retry: no child processes" , if you try to login on ssh using your cpanel account :)
This commit is contained in:
Dj-jom2x
2017-04-18 08:28:27 +08:00
committed by GitHub
parent a9732eea7e
commit 1b19a77978
1 changed files with 14 additions and 4 deletions
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18
lib/terminal-xhr.php
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@@ -2,6 +2,16 @@
include(dirname(__FILE__)."/headers.php");
include(dirname(__FILE__)."/settings.php");
function proc_open_enabled() {
$disabled = explode(',', ini_get('disable_functions'));
return !in_array('proc_open', $disabled);
}
if(!proc_open_enabled()) {
exit("<span style=\"color: #fff\">sorry but you can't used this terminal if your proc_open is disabled</span>\n\n");
}
$aliases = array(
'la' => 'ls -la',
'll' => 'ls -lvhF',
@@ -78,13 +88,13 @@ if (preg_match('/^[[:blank:]]*cd[[:blank:]]*$/', @$_REQUEST['command'])) {
),
$io
);
// Read output sent to stdout
while (!feof($io[1])) {
while (!feof($io[1])) { /// this will return always false ... and will loop forever until "fork: retry: no child processes" will show if proc_open is disabled;
$output .= htmlspecialchars(fgets($io[1]),ENT_COMPAT, 'UTF-8');
}
// Read output sent to stderr
while (!feof($io[2])) {
while (!feof($io[2])) {
$output .= htmlspecialchars(fgets($io[2]),ENT_COMPAT, 'UTF-8');
}
$output .= "\n";
@@ -97,4 +107,4 @@ if (preg_match('/^[[:blank:]]*cd[[:blank:]]*$/', @$_REQUEST['command'])) {
// Finally, output our string
echo $output;
?>
?>