X-Git-Url: https://git.distorted.org.uk/~mdw/sw-tools/blobdiff_plain/961ce1c2fa0e71e5ffc0c16a1d4fa58802a36a1c..9796a7877cd1e7f6908c678e71b8fea6045ba0e7:/perl/SWCGI.pm

diff --git a/perl/SWCGI.pm b/perl/SWCGI.pm
index 2e28455..513fb54 100644
--- a/perl/SWCGI.pm
+++ b/perl/SWCGI.pm
@@ -1,6 +1,6 @@
 # -*-perl-*-
 #
-# $Id: SWCGI.pm,v 1.1 1999/07/30 18:46:37 mdw Exp $
+# $Id: SWCGI.pm,v 1.3 2004/04/08 01:52:19 mdw Exp $
 #
 # Miscellaneous CGI support functions
 #
@@ -25,13 +25,6 @@
 # along with sw-tools; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
-#----- Revision history -----------------------------------------------------
-#
-# $Log: SWCGI.pm,v $
-# Revision 1.1  1999/07/30 18:46:37  mdw
-# New CGI script for browsing installed software and documentation.
-#
-
 #----- Package header -------------------------------------------------------
 
 package SWCGI;
@@ -41,7 +34,7 @@ use SWConfig;
 
 @ISA = qw(Exporter);
 @EXPORT = qw(barf %Q $ref);
-@EXPORT_OK = qw(read);
+@EXPORT_OK = qw(read sanitize);
 %EXPORT_TAGS = (layout => [qw(header footer)],
 		debug => [qw(dumphash)]);
 
@@ -130,6 +123,16 @@ sub dumphash(\%) {
   print "</table>\n";
 }
 
+#----- Sanitizing links -----------------------------------------------------
+
+sub sanitize($) {
+  my ($l) = @_;
+  $l =~ s/[+&%=]/"%" . sprintf("%02x", ord($&))/eg;
+  $l =~ tr/ /+/;
+  $l =~ s/[^!-~]/"%" . sprintf("%02x", ord($&))/eg;
+  return $l;
+}
+
 #----- Argument reading -----------------------------------------------------
 
 %Q = ();