+sub exec_chprop($$)
+{
+ my ($data,$config) = @_;
+ my $physical = $data->{'physical'};
+ my $virtual = $data->{'virtual'};
+ my $dir = upper_path($virtual);
+
+ return error($config->{'errors'}->{'no_users'},$dir,{FILE => encode_html($virtual)}) unless($users);
+ return error($config->{'errors'}->{'chprop_root'},'/') if($virtual eq '/');
+ return error($config->{'errors'}->{'not_owner'},$dir,{FILE => encode_html($virtual)}) unless(-o $physical);
+ return error($config->{'errors'}->{'chprop_link'},$dir) if(-l $physical);
+
+ my $cgi = $data->{'cgi'};
+ my $mode = $cgi->param('mode');
+ my $group = $cgi->param('group');
+
+ if($mode || $group)
+ {
+ if($mode)
+ {
+ # Change the mode
+
+ return error($config->{'errors'}->{'invalid_mode'},$dir) unless($mode =~ /^[0-7]{3,}$/);
+ chmod(oct($mode),$physical);
+ }
+
+ if($group)
+ {
+ # Change the group using the `chgrp` system command
+
+ return error($config->{'errors'}->{'invalid_group'},$dir,{GROUP => encode_html($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 $gid = $stat[5];
+
+ my $tpl = new Template;
+ $tpl->read_file($config->{'templates'}->{'chprop'});
+
+ # Insert file properties into the template
+
+ $tpl->fillin('MODE_OCTAL',substr(sprintf('%04o',$mode),-4));
+ $tpl->fillin('MODE_STRING',mode_string($mode));
+ $tpl->fillin('GID',$gid);
+
+ if(my $group = getgrgid($gid))
+ {
+ $tpl->fillin('GROUP',encode_html($group));
+ $tpl->parse_if_block('group_detected',1);
+ }
+ else
+ {
+ $tpl->parse_if_block('group_detected',0);
+ }
+
+ # Insert other information
+
+ $tpl->fillin('FILE',encode_html($virtual));
+ $tpl->fillin('FILE_URL',escape($virtual));
+ $tpl->fillin('DIR',encode_html($dir));
+ $tpl->fillin('DIR_URL',escape($dir));
+ $tpl->fillin('URL',encode_html(equal_url($config->{'httproot'},$virtual)));
+ $tpl->fillin('SCRIPT',$script);
+
+ my $output = header(-type => 'text/html');
+ $output .= $tpl->get_template;
+
+ return \$output;
+ }
+}
+
+# exec_about()
+#
+# Display some information about Dev-Editor
+#
+# Params: 1. Reference to user input hash
+# 2. Reference to config hash
+#
+# Return: Output of the command (Scalar Reference)
+
+sub exec_about($$)
+{
+ my ($data,$config) = @_;
+
+ my $tpl = new Template;
+ $tpl->read_file($config->{'templates'}->{'about'});
+
+ $tpl->fillin('SCRIPT',$script);
+
+ # Dev-Editor's version number
+
+ $tpl->fillin('VERSION',$data->{'version'});
+
+ # Some path information
+
+ $tpl->fillin('SCRIPT_PHYS',encode_html($ENV{'SCRIPT_FILENAME'}));
+ $tpl->fillin('CONFIG_PATH',encode_html($data->{'configfile'}));
+ $tpl->fillin('FILE_ROOT', encode_html($config->{'fileroot'}));
+ $tpl->fillin('HTTP_ROOT', encode_html($config->{'httproot'}));
+
+ # Perl
+
+ $tpl->fillin('PERL_PROG',encode_html($^X));
+ $tpl->fillin('PERL_VER', sprintf('%vd',$^V));
+
+ # Information about the server
+
+ $tpl->fillin('HTTPD',encode_html($ENV{'SERVER_SOFTWARE'}));
+ $tpl->fillin('OS', encode_html($^O));
+ $tpl->fillin('TIME', encode_html(strftime($config->{'timeformat'},($config->{'use_gmt'}) ? gmtime : localtime)));
+
+ $tpl->parse_if_block('gmt',$config->{'use_gmt'});
+
+ # Process information
+
+ $tpl->fillin('PID',$$);
+
+ # The following information is only available on systems supporting
+ # users and groups
+
+ 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);
+
+ # IDs of user and group
+
+ $tpl->fillin('UID',$uid);
+ $tpl->fillin('GID',$gid);
+
+ # Names of user and group
+
+ if(my $user = getpwuid($uid))
+ {
+ $tpl->fillin('USER',encode_html($user));
+ $tpl->parse_if_block('user_detected',1);
+ }
+ else
+ {
+ $tpl->parse_if_block('user_detected',0);
+ }
+
+ if(my $group = getgrgid($gid))
+ {
+ $tpl->fillin('GROUP',encode_html($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
+ {
+ $tpl->parse_if_block('users',0);
+ }
+
+ my $output = header(-type => 'text/html');
+ $output .= $tpl->get_template;
+
+ return \$output;