- Dev-Editor is now able to forbid accessing a file using the configuration file

[devedit.git] / modules / Tool.pm

diff --git a/modules/Tool.pm b/modules/Tool.pm
index 4efefe51f30b07dc7523ffee09e967456b1b32fc..d9a20f7ea72bccea4401552fe4872def65c0e823 100644 (file)
--- a/modules/Tool.pm
+++ b/modules/Tool.pm
@@ -6,7 +6,7 @@ package Tool;
 # Some shared sub routines
 #
 # Author:        Patrick Canterino <patrick@patshaping.de>
-# Last modified: 2005-04-21
+# Last modified: 2005-06-10
 #
 
 use strict;
@@ -32,6 +32,7 @@ use base qw(Exporter);
              encode_html
              equal_url
              file_name
+             is_forbidden_file
              mode_string
              multi_string
              upper_path);
@@ -63,12 +64,12 @@ sub check_path($$)
  # We extract the last part of the path and create the absolute path
 
  my $first = upper_path($path);
+ $first    = File::Spec->canonpath($first);
  $first    = abs_path($first);
 
  my $last  = file_name($path);
- $last     = '' if($last eq '.');
 
- if($last eq '..' || ($^O eq 'MSWin32' && $last =~ m!^\.\.\.+$!))
+ if(-d $first.'/'.$last && not -l $first.'/'.$last)
  {
   $first = abs_path($first.'/'.$last);
   $last  = '';
@@ -254,6 +255,29 @@ sub file_name($)
  return $path;
 }
 
+# is_forbidden_file()
+#
+# Check if a file is in the list of forbidden files
+#
+# Params: 1. Array Reference containing the list
+#         2. Filename to check
+#
+# Return: Status code (Boolean)
+
+sub is_forbidden_file($$)
+{
+ my ($list,$file) = @_;
+ $file =~ s!/+$!!g;
+
+ foreach my $entry(@$list)
+ {
+  return 1 if($file eq $entry);
+  return 1 if(index($file,$entry.'/') == 0);
+ }
+
+ return;
+}
+
 # mode_string()
 #
 # Convert a file mode number into a human readable string (rwxr-x-r-x)