1
0
mirror of https://github.com/samba-team/samba.git synced 2025-01-14 19:24:43 +03:00
Jeff Layton da99e3a724 cifs.upcall: make using ip address conditional on new option
Igor Mammedov pointed out that reverse resolving an IP address to get
the hostname portion of a principal could open a possible attack
vector. If an attacker were to gain control of DNS, then he could
redirect the mount to a server of his choosing, and fix the reverse
resolution to point to a hostname of his choosing (one where he has
the key for the corresponding cifs/ or host/ principal).

That said, we often trust DNS for other reasons and it can be useful
to do so. Make the code that allows trusting DNS to be enabled by
adding --trust-dns to the cifs.upcall invocation.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
2009-08-26 06:26:02 -04:00
..
2009-07-27 13:35:59 +02:00