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**IX help - performing urldecode in /bin/sh [message #17894] Fri, 23 April 2004 15:57
lahoo is currently offline  lahoo   Sweden
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Registered: April 2004
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I don't have shell access to my web providers **IX-servers so I'm bypassing this with a small CGI hack.

However I need help on how to decode the charcters of the data sent via the GET method that get url encoded. Substituting + with space is done but how do I for instance decode %2F back to the character / ?

echo Content-type: text/html
echo "<html><body onload='form.run.focus();'>"
RUN=`echo $QUERY_STRING|cut -c5-|[B]tr + ' '[/B]`
echo "<form name=form method=GET action=/cgi-bin/_test/shell.cgi><input id=run type=text name=run size=40 value='"
echo $RUN
echo "'><input type=submit value=run></form>"
echo "<hr><pre>"
exec $RUN
echo "</pre>"
echo "</body></html>"
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