> I've got a minimal configuration form/cgi that I would like to test
> before posting for weblet. It works via Apache on my local webserver,
> however I have been unable to get the sh-httpd POST patch to work.
>
> I've figured I could simply use the GET method to work, however I have
> been unable to figure out how to parse the $QUERY_STRING into a
> read-able set of variables (replace the "&"'s with "/n"'s). I've also
> tried to use "uncgi" with it, but "uncgi" does not work with sh-httpd
> (it attemps only the literal path instead of "/binary/option").
>
> Does anyone have a sed or cut script to parse $QUERY_STRING into
> something friendlier to a sh cgi?
No sed or cut script...sorry. I think you're making this whole thing
too hard. Just do something like:
qs2env () {
local IFS='&'
set -- $QUERY_STRING
while [ "$1" ] ; do
eval "$1"
shift
done
}
If you want to assign all the form values to local variables. *WARNING*
This presents a potentially BIG security hole, since we're eval'ing data
sent from a client, so there should be something else in place that only
allows the code above to run if the rest of the query looks "kosher"
(see sh-httpd for examples of checking variables for escape characters).
Checking for [0-9a-zA-Z=&] only should keep things safe.
NOTE: You may need to save/restore IFS if you make changes to the above
procedure...the "local" keeps IFS from being mucked up in your main
script.
There are lots of other ways to parse QUERY_STRING, but I'd stick with
the shell built-ins (set, ${#} and ${%} expansions, etc)...they'll be
lots faster than using an external program like sed.
Charles Steinkuehler
http://lrp.steinkuehler.net
http://c0wz.steinkuehler.net (lrp.c0wz.com mirror)
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