devedit.pl

   1 #!C:/Programme/Perl/bin/perl.exe -w
   2
   3 #
   4 # Dev-Editor 2.3.1
   5 #
   6 # Dev-Editor's main program
   7 #
   8 # Author:        Patrick Canterino <patrick@patshaping.de>
   9 # Last modified: 2005-02-19
  10 #
  11
  12 use strict;
  13 use CGI::Carp qw(fatalsToBrowser);
  14
  15 use vars qw($VERSION);
  16 use lib 'modules';
  17
  18 use CGI;
  19 use Config::DevEdit;
  20 use File::UseList;
  21
  22 use Command;
  23 use Output;
  24 use Tool;
  25
  26 $VERSION = '2.3.1';
  27
  28 # Path to configuration file
  29 # Change if necessary!
  30
  31 use constant CONFIGFILE => 'devedit.dat';
  32
  33 # Read the configuration file
  34
  35 my $config = read_config(CONFIGFILE);
  36 error_template($config->{'templates'}->{'error'}); # Yes, I'm lazy...
  37
  38 # Check if the root directory exists
  39
  40 abort($config->{'errors'}->{'no_root_dir'}) unless(-d $config->{'fileroot'} && not -l $config->{'fileroot'});
  41
  42 # Check if we are able to access the root directory
  43
  44 abort($config->{'errors'}->{'no_root_access'}) unless(-r $config->{'fileroot'} && -x $config->{'fileroot'});
  45
  46 # Read the most important form data
  47
  48 my $cgi = new CGI;
  49
  50 my $command = $cgi->param('command') || 'show';
  51 my $file    = $cgi->param('file')    || '/';
  52 my $curdir  = $cgi->param('curdir')  || '';
  53 my $newfile = $cgi->param('newfile') || '';
  54
  55 # Create physical and virtual path for the new file
  56
  57 my $new_physical = '';
  58 my $new_virtual  = '';
  59
  60 if($newfile ne '' && $newfile !~ /^\s+$/)
  61 {
  62  $curdir  = upper_path($file) if($curdir eq '');
  63  my $path = $curdir.'/'.$newfile;
  64
  65  # Extract file and directory name...
  66
  67  my $file = file_name($path);
  68  my $dir  = upper_path($path);
  69
  70  # ... check if the directory exists ...
  71
  72  my $temp_path = clean_path($config->{'fileroot'}.'/'.$dir);
  73
  74  unless(-d $temp_path && not -l $temp_path)
  75  {
  76   abort($config->{'errors'}->{'dir_not_exist'},'/');
  77  }
  78
  79  # ... and check if the path is above the root directory
  80
  81  unless(($new_physical,$new_virtual) = check_path($config->{'fileroot'},$dir))
  82  {
  83   abort($config->{'errors'}->{'create_ar'},'/');
  84  }
  85
  86  # Check if we have enough permissions to create a file
  87  # in this directory
  88
  89  unless(-r $new_physical && -w $new_physical && -x $new_physical)
  90  {
  91   abort($config->{'errors'}->{'dir_no_create'},'/',{DIR => $new_virtual});
  92  }
  93
  94  # Create the physical and the virtual path
  95
  96  $new_physical = File::Spec->canonpath($new_physical.'/'.$file);
  97  $new_virtual .= $file;
  98 }
  99
 100 # This check has to be performed first or abs_path() will be confused
 101
 102 my $temp_path = clean_path($config->{'fileroot'}.'/'.$file);
 103
 104 if(-e $temp_path || -l $temp_path)
 105 {
 106  if(my ($physical,$virtual) = check_path($config->{'fileroot'},$file))
 107  {
 108   # Create a File::UseList object and load the list
 109
 110   my $uselist = new File::UseList(listfile => $config->{'uselist_file'},
 111                                   lockfile => $config->{'lock_file'},
 112                                   timeout  => $config->{'lock_timeout'});
 113
 114   $uselist->lock or abort($config->{'errors'}->{'lock_failed'},undef,{USELIST => $uselist->{'listfile'}, LOCK_FILE => $uselist->{'lockfile'}});
 115   $uselist->load;
 116
 117   # Create a hash containing data submitted by the user
 118   # (some other necessary information are also included)
 119
 120   my %data = (physical     => $physical,
 121               virtual      => $virtual,
 122               new_physical => $new_physical,
 123               new_virtual  => $new_virtual,
 124               uselist      => $uselist,
 125               cgi          => $cgi,
 126               version      => $VERSION,
 127               configfile   => CONFIGFILE);
 128
 129   # Execute the command...
 130
 131   my $output = exec_command($command,\%data,$config);
 132
 133   # ... unlock the list with files in use and show the output of the command
 134
 135   $uselist->unlock or abort($config->{'errors'}->{'unlock_failed'},undef,{USELIST => $uselist->{'listfile'}, LOCK_FILE => $uselist->{'lockfile'}});
 136   print $$output;
 137  }
 138  else
 139  {
 140   abort($config->{'errors'}->{'above_root'},'/');
 141  }
 142 }
 143 else
 144 {
 145  abort($config->{'errors'}->{'not_exist'},'/');
 146 }
 147
 148 #
 149 ### End ###