-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 12/29/11 06:39, John Baldwin wrote: > Can you give some more details on why ftpd is triggering a dlopen > inside of the chroot? It would appear that that is unrelated to > helper programs (since setting a flag in libc in ftpd can't > possibly affect helper programs ability to use dlopen() from within > libc).
Sure. That's because nsdispatch(3) would reload /etc/nsswitch.conf if it notices a change. After chroot() the file is considered as "chang"ed and thus it reloads the file as well as designated shared libraries. Cheers, - -- Xin LI <[email protected]> https://www.delphij.net/ FreeBSD - The Power to Serve! Live free or die -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.18 (FreeBSD) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk78sMkACgkQOfuToMruuMAu9wCbBevDzZFX9eHBYHtN1iOw9iG2 Z2oAnjYrxskRMyu0ygqesoi7UgrjumWv =N7gZ -----END PGP SIGNATURE----- _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-security To unsubscribe, send any mail to "[email protected]"
