On 2018/01/21 20:00, Jordon wrote: > > > Bingo! I copied all the necessary libs to corresponding usr/lib dirs and > > got the chrooted programs to run from a chroot command, but they would > > still not work from the cgi program. You pointing out that popen requires > > sh got me thinking. Sh was already in /var/www/bin but it had 000 for > > perms. I make it 111 and it works now! Thanks! > > Looks like I spoke too soon. The uname and all required libs that i copied > into the chroot is working fine. The ping (that was already there) and my > homemade program both work fine when manually executed in the chroot, but do > nothing when run through popen(). How do you even debug this?
Tips: - run it from the command line (chroot /var/www /cgi-bin/whatever), watch for error messages in the output - run it under ktrace (if this was running from slowcgi, something like "ktrace -i -p `pgrep slowcgi`", then try to call it, then ktrace -C), you may find some clue in the output from kdump
