Turn sensitive files into scripts that exit immediately

darcs-hash:20050512204225-45605-bee22b4df3d23374bc4922ede8f48106ea217209.gz

conf/acl.auth.php.dist

@@ -1,3 +1,7 @@
+# acl.auth.php
+# <?php exit()?>
+# Don't modify the lines above
+#
 # Access Control
 #
 # none   0

conf/users.auth.php.dist

@@ -1,3 +1,7 @@
+# users.auth.php
+# <?php exit()?>
+# Don't modify the lines above
+#
 # Userfile
 #
 # Format:

inc/admin_acl.php

@@ -43,7 +43,7 @@ function admin_acl_handler(){
   }
 
   // reload ACL config
-  $AUTH_ACL = file('conf/acl.auth');
+  $AUTH_ACL = file('conf/acl.auth.php');
 }
 
 /**
@@ -112,12 +112,12 @@ function get_acl_config($id){
 
 
 /**
- * adds new acl-entry to conf/acl.auth
+ * adds new acl-entry to conf/acl.auth.php
  *
  * @author  Frank Schubert <frank@schokilade.de>
  */
 function admin_acl_add($acl_scope, $acl_user, $acl_level){
-  $acl_config = join("",file('conf/acl.auth'));
+  $acl_config = join("",file('conf/acl.auth.php'));
   
   // max level for pagenames is edit
   if(strpos("*", $acl_scope) === false) {
@@ -128,23 +128,23 @@ function admin_acl_add($acl_scope, $acl_user, $acl_level){
   
   $new_config = $acl_config.$new_acl;
   
-  return io_saveFile("conf/acl.auth", $new_config);
+  return io_saveFile("conf/acl.auth.php", $new_config);
 }
 
 /**
- * remove acl-entry from conf/acl.auth
+ * remove acl-entry from conf/acl.auth.php
  *
  * @author  Frank Schubert <frank@schokilade.de>
  */
 function admin_acl_del($acl_scope, $acl_user){
-  $acl_config = file('conf/acl.auth');
+  $acl_config = file('conf/acl.auth.php');
 
   $acl_pattern = '^'.preg_quote($acl_scope,'/').'\s+'.$acl_user.'\s+[0-8].*$';
   
   // save all non!-matching #FIXME invert is available from 4.2.0 only!
   $new_config = preg_grep("/$acl_pattern/", $acl_config, PREG_GREP_INVERT);
   
-  return io_saveFile("conf/acl.auth", join("",$new_config));
+  return io_saveFile("conf/acl.auth.php", join("",$new_config));
 }
 
 // --- HTML OUTPUT FUNCTIONS BELOW --- //

inc/auth.php

@@ -28,7 +28,7 @@
   if($conf['useacl']){
     auth_login($_REQUEST['u'],$_REQUEST['p'],$_REQUEST['r']);
     //load ACL into a global array
-    $AUTH_ACL = file('conf/acl.auth');
+    $AUTH_ACL = file('conf/acl.auth.php');
   }
 
 /**

inc/auth_plain.php

@@ -76,13 +76,13 @@ function auth_createUser($user,$pass,$name,$mail){
                              $mail,
                              $conf['defaultgroup']));
   $userline .= "\n";
-  $fh = fopen('conf/users.auth','a');
+  $fh = fopen('conf/users.auth.php','a');
   if($fh){
     fwrite($fh,$userline);
     fclose($fh);
     return $pass;
   }
-  msg('The users.auth file is not writable. Please inform the Wiki-Admin',-1);
+  msg('The users.auth.php file is not writable. Please inform the Wiki-Admin',-1);
   return null;
 }
 
@@ -96,7 +96,7 @@ function auth_createUser($user,$pass,$name,$mail){
  */
 function auth_plain_loadUserData(){
   $data = array();
-  $lines = file('conf/users.auth');
+  $lines = file('conf/users.auth.php');
   foreach($lines as $line){
     $line = preg_replace('/#.*$/','',$line); //ignore comments
     $line = trim($line);

inc/common.php

@@ -791,10 +791,10 @@ function check(){
     msg('Mediadir is not writable',-1);
   }
 
-  if(is_writable('conf/users.auth')){
-    msg('conf/users.auth is writable',1);
+  if(is_writable('conf/users.auth.php')){
+    msg('conf/users.auth.php is writable',1);
   }else{
-    msg('conf/users.auth is not writable',0);
+    msg('conf/users.auth.php is not writable',0);
   }
 
   if(function_exists('mb_strpos')){

inc/init.php

@@ -70,6 +70,10 @@
   $conf['mediadir']      = realpath($conf['mediadir']);
   if(!$conf['mediadir'])   msg('Wrong mediadir! Check config!',-1);
 
+  // automatic upgrade to script versions of certain files
+  scriptify('conf/users.auth');
+  scriptify('conf/acl.auth');
+
 /**
  * remove magic quotes recursivly
  *
@@ -135,6 +139,32 @@ function getBaseURL($abs=false){
   return $proto.$host.$port.$dir;
 }
 
+function scriptify($file) {
+  // checks
+  if (!is_readable($file)) {
+    return;
+  }
+  $fn = $file.'.php';
+  if (@file_exists($fn)) {
+    return;
+  }
+  $fh = fopen($fn, 'w');
+  if (!$fh) {
+    die($fn.' is not writable!');
+  }
+  // write php exit hack first
+  fwrite($fh, "# $fn\n");
+  fwrite($fh, '# <?php exit()?>'."\n");
+  fwrite($fh, "# Don't modify the lines above\n");
+  fwrite($fh, "#\n");
+  // copy existing lines
+  $lines = file($file);
+  foreach ($lines as $line){
+    fwrite($fh, $line);
+  }
+  $fclose($fh);
+}
+
 
 
 //Setup VIM: ex: et ts=2 enc=utf-8 :