[Openvas-commits] r1260 - trunk/openvas-plugins/scripts

[scm-commit@wald.intevation.org]

Author: chandra
Date: 2008-09-01 10:14:37 +0200 (Mon, 01 Sep 2008)
New Revision: 1260

Modified:
   trunk/openvas-plugins/scripts/url_func.inc
Log:
Added URL Encode and Decode functions

Modified: trunk/openvas-plugins/scripts/url_func.inc
===================================================================
--- trunk/openvas-plugins/scripts/url_func.inc	2008-09-01 07:56:15 UTC (rev 1259)
+++ trunk/openvas-plugins/scripts/url_func.inc	2008-09-01 08:14:37 UTC (rev 1260)
@@ -5,6 +5,12 @@
 # TODO:
 # - implement free/GPL urldecode and urlencode functions 
 #   (in order to fully implement this include)
+#
+# Added:
+# - URL Encode function
+# - URL Decode function
+# Chandan S(schandan at secpod.com)
+#
 
 global_var HEX_LOWERCASE, HEX_UPPERCASE;
 HEX_LOWERCASE=1;
@@ -35,3 +41,71 @@
  return ret;
 }
 
+ ###############################################################
+ # Function Name 'urlencode'
+ ###############################################################
+ 
+ function urlencode(str, unreserved)
+ {
+        local_var estr;
+        char_set = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
+        num_set = "0123456789";
+        specl_char_set = "_-.!~*'()";
+        unreserv_chars = char_set + num_set + specl_char_set;
+ 
+        if(unreserved != NULL){
+                unreserv_chars = unreserv_chars + unreserved;
+        }
+ 
+        for(i=0; i<strlen(str); i++)
+        {
+                flag = "non_word";
+ 
+                # Encode on any non word character
+                for(j=0; j<strlen(unreserv_chars); j++)
+                {
+                        if (str[i] == unreserv_chars[j])
+                        {
+                                flag = "word";
+                                break;
+                        }
+                }
+ 
+                if(flag == "non_word"){
+                        estr = estr + '%' + hexstr(str[i]);
+                }
+                else{
+                        estr = estr + str[i];
+                }
+        }
+        return(estr);
+ }
+
+
+ ###############################################################
+ # Function Name 'urldecode'
+ ###############################################################
+ 
+ function urldecode(estr)
+ {
+        local_var dstr;
+ 
+        for(i=0; i<strlen(estr); i++)
+        {
+                if(estr[i] == '%')
+                {
+                        dstr = dstr + url_hex2raw(s:tolower(estr[i+1] + estr[i+2]));
+                        i = i + 2;
+                }
+                else if(estr[i] == '+')
+                {
+                        dstr = dstr + ' ';
+                        i = i + 1;
+                }
+                else{
+                        dstr = dstr + estr[i];
+                }
+        }
+        dstr = ereg_replace(string:dstr, pattern:"<!--(.|\n)*-->", replace:"", icase:1);
+        return(dstr);
+ }