Merge branch 'master' of github.com:cassiopc/boca

1 files changed, 57 insertions, 0 deletions

diff --git a/src/getcode.php b/src/getcode.php
new file mode 100644
index 0000000..407a00b
--- /dev/null
+++ b/src/getcode.php
@@ -0,0 +1,57 @@
+<?php
+ob_start();
+header ("Expires: " . gmdate("D, d M Y H:i:s") . " GMT");
+header ("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
+header ("Cache-Control: no-cache, must-revalidate");
+header ("Pragma: no-cache");
+header ("Content-Type: text/html; charset=utf-8");
+session_start();
+if (!isset($_GET["name"])) {
+  session_unset();
+  session_destroy();
+  session_start();
+  echo session_id();
+  exit;
+}
+ob_end_flush();
+
+function make_seed()
+{
+  list($usec, $sec) = explode(' ', microtime());
+  return $sec + $usec * 1000000;
+}
+srand(make_seed());
+
+function myhash($k) {
+	return hash('sha256',$k);
+}
+$iv = "1234567812345678";
+
+if(isset($_GET["name"]) && $_GET["name"] != "" ) {
+  $name = $_GET["name"];
+  $password = $_GET["password"];
+  $secrets = file("/var/www/boca/src/private/run-past.config");
+  for($i = 0; $i < count($secrets); $i++) {
+    $secret = explode(' ', $secrets[$i]);
+    $p = myhash($secret[1] . session_id());
+    if($name == $secret[0] && $p == $password) {
+      $cc = md5(rand() . rand() . @file_get_contents('/proc/uptime') . rand() . rand());
+      $txt = "#!/bin/bash\n" .        
+        "mkdir -p /root/submissions\n" .
+        "chown root.root /root/submissions\n" .
+        "chmod 700 /root/submissions\n" .
+        "echo -n \"" . $cc . "\" >/root/submissions/comp\n" .
+        "chmod 600 /root/submissions/comp\n" .
+        "echo -n \"" . trim($secret[2]) . "\" > /root/submissions/code\n" .
+        "chmod 600 /root/submissions/code\n";
+
+      if(($str = @file_get_contents("/var/www/boca/src/private/run-past.code")) !== false) $txt .= $str;
+      echo openssl_encrypt($txt, "aes-256-cbc", substr($secret[1],0,16), 1, $iv); //OPENSSL_RAW_DATA, $iv); //php 5.4.0
+      @file_put_contents("/var/www/boca/src/private/run-past.log", $name . "|" . $cc . "|" . date(DATE_RFC2822) . "\n", LOCK_EX | FILE_APPEND);
+      exit;
+    }
+  }
+}
+echo "incorrect\n";
+exit;
+?>