Not logged in

To setup the CGI for offrss, I advise to write a wrapper that will run the program from the path you are interested, that of feedurls.txt and files/.

Using a script:

cd /path/to/feeds
exec /path/to/offrss

Using a C wrapper, which you can compile and later setuid:

#include <unistd.h>

int main()
	int res;
	res = chdir("/path/to/feeds");
	if (res == -1)
		return -1;
	return execl("/path/to/offrss", "/path/to/offrss", 0);