X-Git-Url: https://git.p6c8.net/devedit.git/blobdiff_plain/a180f0b982f525ea2d17516f9aa43d3313399de1..ea86dd1c2b813a085290e0e24040122c2487182b:/modules/Command.pm?ds=sidebyside

diff --git a/modules/Command.pm b/modules/Command.pm
index 6db5d07..84a0378 100644
--- a/modules/Command.pm
+++ b/modules/Command.pm
@@ -6,7 +6,7 @@ package Command;
 # Execute Dev-Editor's commands
 #
 # Author:        Patrick Canterino <patshaping@gmx.net>
-# Last modified: 2004-07-11
+# Last modified: 2004-11-24
 #
 
 use strict;
@@ -26,6 +26,7 @@ use Output;
 use Template;
 
 my $script = $ENV{'SCRIPT_NAME'};
+my $users  = eval("getpwuid(0)") && eval("getgrgid(0)");
 
 my %dispatch = ('show'       => \&exec_show,
                 'beginedit'  => \&exec_beginedit,
@@ -37,6 +38,7 @@ my %dispatch = ('show'       => \&exec_show,
                 'copy'       => \&exec_copy,
                 'rename'     => \&exec_rename,
                 'remove'     => \&exec_remove,
+                'chprop'     => \&exec_chprop,
                 'unlock'     => \&exec_unlock,
                 'about'      => \&exec_about
                );
@@ -61,10 +63,16 @@ sub exec_command($$$)
 {
  my ($command,$data,$config) = @_;
 
- return error($config->{'errors'}->{'cmd_unknown'},'/',{COMMAND => $command}) unless($dispatch{$command});
+ foreach(keys(%dispatch))
+ {
+  if(lc($_) eq lc($command))
+  {
+   my $output = &{$dispatch{$_}}($data,$config);
+   return $output;
+  }
+ }
 
- my $output = &{$dispatch{$command}}($data,$config);
- return $output;
+ return error($config->{'errors'}->{'cmd_unknown'},'/',{COMMAND => $command});
 }
 
 # exec_show()
@@ -81,6 +89,8 @@ sub exec_show($$)
  my ($data,$config) = @_;
  my $physical       = $data->{'physical'};
  my $virtual        = $data->{'virtual'};
+ my $upper_path     = upper_path($virtual);
+ my $uselist        = $data->{'uselist'};
 
  my $tpl = new Template;
 
@@ -88,8 +98,10 @@ sub exec_show($$)
  {
   # Create directory listing
 
+  return error($config->{'errors'}->{'no_dir_access'},$upper_path) unless(-r $physical && -x $physical);
+
   my $direntries = dir_read($physical);
-  return error($config->{'dir_read_failed'},upper_path($virtual),{DIR => '$virtual'}) unless($direntries);
+  return error($config->{'dir_read_fail'},$upper_path,{DIR => $virtual}) unless($direntries);
 
   my $files = $direntries->{'files'};
   my $dirs  = $direntries->{'dirs'};
@@ -106,8 +118,8 @@ sub exec_show($$)
    my $udtpl = new Template;
    $udtpl->read_file($config->{'templates'}->{'dirlist_up'});
 
-   $udtpl->fillin("UPPER_DIR",encode_entities(upper_path($virtual)));
-   $udtpl->fillin("DATE",strftime($config->{'timeformat'},localtime($stat[9])));
+   $udtpl->fillin("UPPER_DIR",encode_entities($upper_path));
+   $udtpl->fillin("DATE",encode_entities(strftime($config->{'timeformat'},localtime($stat[9]))));
 
    $dirlist .= $udtpl->get_template;
   }
@@ -116,17 +128,22 @@ sub exec_show($$)
 
   foreach my $dir(@$dirs)
   {
-   my @stat      = stat($physical."/".$dir);
+   my $phys_path = $physical."/".$dir;
    my $virt_path = encode_entities($virtual.$dir."/");
 
+   my @stat      = stat($phys_path);
+
    my $dtpl = new Template;
    $dtpl->read_file($config->{'templates'}->{'dirlist_dir'});
 
    $dtpl->fillin("DIR",$virt_path);
    $dtpl->fillin("DIR_NAME",$dir);
-   $dtpl->fillin("DATE",strftime($config->{'timeformat'},localtime($stat[9])));
+   $dtpl->fillin("DATE",encode_entities(strftime($config->{'timeformat'},localtime($stat[9]))));
    $dtpl->fillin("URL",equal_url($config->{'httproot'},$virt_path));
 
+   $dtpl->parse_if_block("readable",-r $phys_path && -x $phys_path);
+   $dtpl->parse_if_block("users",$users && -o $phys_path);
+
    $dirlist .= $dtpl->get_template;
   }
 
@@ -138,7 +155,7 @@ sub exec_show($$)
    my $virt_path = encode_entities($virtual.$file);
 
    my @stat      = stat($phys_path);
-   my $in_use    = $data->{'uselist'}->in_use($virtual.$file);
+   my $in_use    = $uselist->in_use($virtual.$file);
 
    my $ftpl = new Template;
    $ftpl->read_file($config->{'templates'}->{'dirlist_file'});
@@ -146,7 +163,7 @@ sub exec_show($$)
    $ftpl->fillin("FILE",$virt_path);
    $ftpl->fillin("FILE_NAME",$file);
    $ftpl->fillin("SIZE",$stat[7]);
-   $ftpl->fillin("DATE",strftime($config->{'timeformat'},localtime($stat[9])));
+   $ftpl->fillin("DATE",encode_entities(strftime($config->{'timeformat'},localtime($stat[9]))));
    $ftpl->fillin("URL",equal_url($config->{'httproot'},$virt_path));
 
    $ftpl->parse_if_block("not_readable",not -r $phys_path);
@@ -162,6 +179,8 @@ sub exec_show($$)
 
    $ftpl->parse_if_block("too_large",$config->{'max_file_size'} && $stat[7] > $config->{'max_file_size'});
 
+   $ftpl->parse_if_block("users",$users && -o $phys_path);
+
    $dirlist .= $ftpl->get_template;
   }
 
@@ -176,7 +195,7 @@ sub exec_show($$)
  {
   # View a file
 
-  return error($config->{'errors'}->{'noview'},upper_path($virtual)) unless(-r $physical);
+  return error($config->{'errors'}->{'noview'},$upper_path) unless(-r $physical);
 
   # Check on binary files
   # We have to do it in this way, or empty files
@@ -186,15 +205,17 @@ sub exec_show($$)
   {
    # Binary file
 
-   return error($config->{'errors'}->{'binary'},upper_path($virtual));
+   return error($config->{'errors'}->{'binary'},$upper_path);
   }
   else
   {
    # Text file
 
-   if($config->{'max_file_size'} && (stat($physical))[7] > $config->{'max_file_size'})
+   my $size = -s $physical;
+
+   if($config->{'max_file_size'} && $size > $config->{'max_file_size'})
    {
-    return error($config->{'errors'}->{'file_too_large'},upper_path($virtual),{SIZE => $config->{'max_file_size'}})
+    return error($config->{'errors'}->{'file_too_large'},$upper_path,{SIZE => $config->{'max_file_size'}})
    }
    else
    {
@@ -204,9 +225,12 @@ sub exec_show($$)
     $tpl->read_file($config->{'templates'}->{'viewfile'});
 
     $tpl->fillin("FILE",$virtual);
-    $tpl->fillin("DIR",upper_path($virtual));
+    $tpl->fillin("DIR",$upper_path);
     $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
     $tpl->fillin("SCRIPT",$script);
+
+    $tpl->parse_if_block("editable",-r $physical && -w $physical && -T $physical && not ($config->{'max_file_size'} && $size > $config->{'max_file_size'}) && $uselist->unused($virtual));
+
     $tpl->fillin("CONTENT",encode_entities($$content));
    }
   }
@@ -232,11 +256,12 @@ sub exec_beginedit($$)
  my ($data,$config) = @_;
  my $physical       = $data->{'physical'};
  my $virtual        = $data->{'virtual'};
+ my $dir            = upper_path($virtual);
  my $uselist        = $data->{'uselist'};
 
- return error($config->{'errors'}->{'editdir'},upper_path($virtual))                   if(-d $physical);
- return error($config->{'errors'}->{'in_use'},upper_path($virtual),{FILE => $virtual}) if($uselist->in_use($virtual));
- return error($config->{'errors'}->{'noedit'},upper_path($virtual))                    unless(-r $physical && -w $physical);
+ return error($config->{'errors'}->{'editdir'},$dir)                    if(-d $physical);
+ return error($config->{'errors'}->{'in_use'}, $dir,{FILE => $virtual}) if($uselist->in_use($virtual));
+ return error($config->{'errors'}->{'noedit'}, $dir)                    unless(-r $physical && -w $physical);
 
  # Check on binary files
 
@@ -244,16 +269,16 @@ sub exec_beginedit($$)
  {
   # Binary file
 
-  return error($config->{'errors'}->{'binary'},upper_path($virtual));
+  return error($config->{'errors'}->{'binary'},$dir);
  }
  else
  {
-  if($config->{'max_file_size'} && (stat($physical))[7] > $config->{'max_file_size'})
+  if($config->{'max_file_size'} && (-s $physical) > $config->{'max_file_size'})
   {
-   return error($config->{'errors'}->{'file_too_large'},upper_path($virtual),{SIZE => $config->{'max_file_size'}})
+   return error($config->{'errors'}->{'file_too_large'},$dir,{SIZE => $config->{'max_file_size'}})
   }
   else
-   {
+  {
    # Text file
 
    $uselist->add_file($virtual);
@@ -266,7 +291,7 @@ sub exec_beginedit($$)
    $tpl->read_file($config->{'templates'}->{'editfile'});
 
    $tpl->fillin("FILE",$virtual);
-   $tpl->fillin("DIR",upper_path($virtual));
+   $tpl->fillin("DIR",$dir);
    $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
    $tpl->fillin("SCRIPT",$script);
    $tpl->fillin("CONTENT",encode_entities($$content));
@@ -311,9 +336,18 @@ sub exec_endedit($$)
  my ($data,$config) = @_;
  my $physical       = $data->{'physical'};
  my $virtual        = $data->{'virtual'};
+ my $dir            = upper_path($virtual);
  my $content        = $data->{'cgi'}->param('filecontent');
  my $uselist        = $data->{'uselist'};
 
+ # We already unlock the file at the beginning of the
+ # subroutine, because if we have to abort this routine,
+ # the file keeps locked.
+ # Nobody else will access the file during this routine
+ # because of the concept of File::UseList.
+
+ file_unlock($uselist,$virtual);
+
  # Normalize newlines
 
  $content =~ s/\015\012|\012|\015/\n/g;
@@ -325,7 +359,7 @@ sub exec_endedit($$)
   $content = encode_entities($content,"\200-\377");
  }
 
- if($data->{'cgi'}->param('saveas'))
+ if($data->{'cgi'}->param('saveas') && $data->{'new_physical'} ne '' && $data->{'new_virtual'} ne '')
  {
   # Create the new filename
 
@@ -334,26 +368,22 @@ sub exec_endedit($$)
 
   # Check if someone else is editing the new file
 
-  return error($config->{'errors'}->{'in_use'},upper_path($virtual),{FILE => $virtual}) if($uselist->in_use($virtual));
+  return error($config->{'errors'}->{'in_use'},$dir,{FILE => $virtual}) if($uselist->in_use($virtual));
  }
 
- return error($config->{'errors'}->{'editdir'},upper_path($virtual)) if(-d $physical);
- return error($config->{'errors'}->{'noedit'}, upper_path($virtual)) unless(-r $physical && -w $physical);
+ return error($config->{'errors'}->{'text_to_binary'},$dir) unless(-T $physical);
+ return error($config->{'errors'}->{'editdir'},$dir)        if(-d $physical);
+ return error($config->{'errors'}->{'noedit'}, $dir)        if(-e $physical && !(-r $physical && -w $physical));
 
  if(file_save($physical,\$content))
  {
   # Saving of the file was successful - so unlock it!
 
-  file_unlock($uselist,$data->{'virtual'});
-  #                    ^^^^^^^^^^^^^^^^^^
-  # Maybe the user saved the file using another filename...
-  # But we have to unlock the original file!
-
-  return devedit_reload({command => 'show', file => upper_path($virtual)});
+  return devedit_reload({command => 'show', file => $dir});
  }
  else
  {
-  return error($config->{'errors'}->{'edit_failed'},upper_path($virtual),{FILE => $virtual});
+  return error($config->{'errors'}->{'edit_failed'},$dir,{FILE => $virtual});
  }
 }
 
@@ -451,6 +481,8 @@ sub exec_upload($$)
  my $virtual        = $data->{'virtual'};
  my $cgi            = $data->{'cgi'};
 
+ return error($config->{'errors'}->{'no_directory'},upper_path($virtual),{FILE => $virtual}) unless(-d $physical);
+
  if(my $uploaded_file = $cgi->param('uploaded_file'))
  {
   # Process file upload
@@ -459,7 +491,7 @@ sub exec_upload($$)
   my $file_phys = $physical."/".$filename;
   my $file_virt = $virtual."".$filename;
 
-  return error($config->{'errors'}->{'file_exists'},$virtual,{FILE => $file_virt}) if(-e $file_phys);
+  return error($config->{'errors'}->{'file_exists'},$virtual,{FILE => $file_virt}) if(-e $file_phys && not $cgi->param('overwrite'));
 
   my $ascii     = $cgi->param('ascii');
   my $handle    = $cgi->upload('uploaded_file');
@@ -511,7 +543,8 @@ sub exec_copy($$)
  my $virtual        = encode_entities($data->{'virtual'});
  my $new_physical   = $data->{'new_physical'};
 
- return error($config->{'errors'}->{'nocopy'}) unless(-r $physical);
+ return error($config->{'errors'}->{'dircopy'}) if(-d $physical);
+ return error($config->{'errors'}->{'nocopy'})  unless(-r $physical);
 
  if($new_physical)
  {
@@ -525,7 +558,7 @@ sub exec_copy($$)
 
    if(-d $new_physical)
    {
-    return error($config->{'errors'}->{'dircopy'});
+    return error($config->{'errors'}->{'dir_replace'},$dir);
    }
    elsif(not $data->{'cgi'}->param('confirmed'))
    {
@@ -585,6 +618,7 @@ sub exec_rename($$)
  my $virtual        = $data->{'virtual'};
  my $new_physical   = $data->{'new_physical'};
 
+ return error($config->{'errors'}->{'rename_root'},"/") if($virtual eq "/");
  return error($config->{'errors'}->{'in_use'},upper_path($virtual),{FILE => $virtual}) if($data->{'uselist'}->in_use($virtual));
 
  if($new_physical)
@@ -599,7 +633,7 @@ sub exec_rename($$)
 
    if(-d $new_physical)
    {
-    return error($config->{'errors'}->{'dircopy'});
+    return error($config->{'errors'}->{'dir_replace'},$dir);
    }
    elsif(not $data->{'cgi'}->param('confirmed'))
    {
@@ -658,6 +692,8 @@ sub exec_remove($$)
  my $physical       = $data->{'physical'};
  my $virtual        = $data->{'virtual'};
 
+ return error($config->{'errors'}->{'remove_root'},"/") if($virtual eq "/");
+
  if(-d $physical)
  {
   # Remove a directory
@@ -712,6 +748,109 @@ sub exec_remove($$)
  }
 }
 
+# exec_chprop()
+#
+# Change the mode and the group of a file or a directory
+#
+# Params: 1. Reference to user input hash
+#         2. Reference to config hash
+#
+# Return: Output of the command (Scalar Reference)
+
+sub exec_chprop($$)
+{
+ my ($data,$config) = @_;
+ my $physical       = $data->{'physical'};
+ my $virtual        = $data->{'virtual'};
+ my $dir            = upper_path($virtual);
+ my $cgi            = $data->{'cgi'};
+ my $mode           = $cgi->param('mode');
+ my $group          = $cgi->param('group');
+
+ if($users)
+ {
+  # System supports user and groups
+
+  if(-o $physical)
+  {
+   # We own this file
+
+   if($mode || $group)
+   {
+    if($mode)
+    {
+     # Change the mode
+
+     my $oct_mode = $mode;
+     $oct_mode    = "0".$oct_mode if(length($oct_mode) == 3);
+     $oct_mode    = oct($oct_mode);
+
+     chmod($oct_mode,$physical);
+    }
+
+    if($group)
+    {
+     # Change the group using the `chgrp` system command
+
+     return error($config->{'errors'}->{'invalid_group'},$dir,{GROUP => encode_entities($group)}) unless($group =~ /^[a-z0-9_]+[a-z0-9_-]*$/i);
+     system("chgrp",$group,$physical);
+    }
+
+    return devedit_reload({command => 'show', file => $dir});
+   }
+   else
+   {
+    # Display the form
+
+    my @stat     = stat($physical);
+
+    my $mode     = $stat[2];
+    my $mode_oct = substr(sprintf("%04o",$mode),-4);
+    my $gid      = $stat[5];
+
+    my $tpl = new Template;
+    $tpl->read_file($config->{'templates'}->{'chprop'});
+
+    # Insert file properties into the template
+
+    $tpl->fillin("MODE_OCTAL",$mode_oct);
+    $tpl->fillin("MODE_STRING",mode_string($mode));
+    $tpl->fillin("GID",$gid);
+
+    if(my $group = getgrgid($gid))
+    {
+     $tpl->fillin("GROUP",encode_entities($group));
+     $tpl->parse_if_block("group_detected",1);
+    }
+    else
+    {
+     $tpl->parse_if_block("group_detected",0);
+    }
+
+    # Insert other information
+
+    $tpl->fillin("FILE",$virtual);
+    $tpl->fillin("DIR",$dir);
+    $tpl->fillin("URL",equal_url($config->{'httproot'},$virtual));
+    $tpl->fillin("SCRIPT",$script);
+
+    my $output = header(-type => "text/html");
+    $output   .= $tpl->get_template;
+
+    return \$output;
+   }
+  }
+  else
+  {
+   return error($config->{'errors'}->{'not_owner'},$dir,{FILE => $virtual});
+  }
+ }
+ else
+ {
+  return error($config->{'errors'}->{'no_users'},$dir,{FILE => $virtual});
+ }
+}
+
 # exec_unlock()
 #
 # Remove a file from the list of used files and
@@ -726,10 +865,13 @@ sub exec_unlock($$)
 {
  my ($data,$config) = @_;
  my $virtual        = $data->{'virtual'};
+ my $uselist        = $data->{'uselist'};
+
+ return devedit_reload({command => 'show', file => upper_path($virtual)}) if($uselist->unused($virtual));
 
  if($data->{'cgi'}->param('confirmed'))
  {
-  file_unlock($data->{'uselist'},$virtual);
+  file_unlock($uselist,$virtual);
   return devedit_reload({command => 'show', file => upper_path($virtual)});
  }
  else
@@ -773,21 +915,21 @@ sub exec_about($$)
 
  # Some path information
 
- $tpl->fillin("SCRIPT_PHYS",$ENV{'SCRIPT_FILENAME'});
- $tpl->fillin("CONFIG_PATH",$data->{'configfile'});
- $tpl->fillin("FILE_ROOT",$config->{'fileroot'});
- $tpl->fillin("HTTP_ROOT",$config->{'httproot'});
+ $tpl->fillin("SCRIPT_PHYS",encode_entities($ENV{'SCRIPT_FILENAME'}));
+ $tpl->fillin("CONFIG_PATH",encode_entities($data->{'configfile'}));
+ $tpl->fillin("FILE_ROOT",  encode_entities($config->{'fileroot'}));
+ $tpl->fillin("HTTP_ROOT",  encode_entities($config->{'httproot'}));
 
  # Perl
 
- $tpl->fillin("PERL_PROG",$^X);
+ $tpl->fillin("PERL_PROG",encode_entities($^X));
  $tpl->fillin("PERL_VER",sprintf("%vd",$^V));
 
  # Information about the server
 
- $tpl->fillin("HTTPD",$ENV{'SERVER_SOFTWARE'});
+ $tpl->fillin("HTTPD",encode_entities($ENV{'SERVER_SOFTWARE'}));
  $tpl->fillin("OS",$^O);
- $tpl->fillin("TIME",strftime($config->{'timeformat'},localtime));
+ $tpl->fillin("TIME",encode_entities(strftime($config->{'timeformat'},localtime)));
 
  # Process information
 
@@ -795,22 +937,46 @@ sub exec_about($$)
 
  # Check if the functions getpwuid() and getgrgid() are available
 
- if(eval("getpwuid(0)") && eval("getgrgid(0)"))
+ if($users)
  {
   # Dev-Editor is running on a system which allows users and groups
   # So we display the user and the group of our process
 
+  my $uid = POSIX::getuid;
+  my $gid = POSIX::getgid;
+
   $tpl->parse_if_block("users",1);
 
   # ID's of user and group
 
-  $tpl->fillin("UID",$<);
-  $tpl->fillin("GID",$();
+  $tpl->fillin("UID",$uid);
+  $tpl->fillin("GID",$gid);
 
   # Names of user and group
 
-  $tpl->fillin("USER",getpwuid($<));
-  $tpl->fillin("GROUP",getgrgid($());
+  if(my $user = getpwuid($uid))
+  {
+   $tpl->fillin("USER",encode_entities($user));
+   $tpl->parse_if_block("user_detected",1);
+  }
+  else
+  {
+   $tpl->parse_if_block("user_detected",0);
+  }
+
+  if(my $group = getgrgid($gid))
+  {
+   $tpl->fillin("GROUP",encode_entities($group));
+   $tpl->parse_if_block("group_detected",1);
+  }
+  else
+  {
+   $tpl->parse_if_block("group_detected",0);
+  }
+
+  # Process umask
+
+  $tpl->fillin("UMASK",sprintf("%04o",umask));
  }
  else
  {