Copy stable/9 to releng/9.3 as part of the 9.3-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Copy head to stable/9 as part of 9.0-RELEASE release cycle.

Approved by: re (implicit)

This commit was generated by cvs2svn to compensate for changes in r161764,
which included commits to RCS files with non-trunk default branches.

Import of LukeM's ftpd taken from the NetBSD CVS repo on 31-Aug-2006.
+ Add PAM and LOGIN_CAP support. Mostly from FreeBSD.
+ Implement option "-D", for running ftpd in standalone mode (daemon).
+ NLST should return 450 instead of 550 upon error, per RFC 959.
+ Add recvbufsize configuration option
+ Remove unreachable code (res could never be NULL here), Coverity CID 712.
+ Set file to NULL after calling fclose(), Coverity CID 2669.
+ Make sure that "su" is initialized before dereferencing it, Coverity CID 1075.
+ Cleanup utmp and utmpx support.

Import of LukeM's ftpd taken from the NetBSD CVS repo on 9-Aug-2004.
This closes the remotely exploitable vulnerability documented at
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2004-009.txt.asc
http://www.vuxml.org/freebsd/c4b025bb-f05d-11d8-9837-000c41e2cdad.html

Import of LukeM's ftpd taken from the NetBSD CVS repo on 5-Jan-2003.
The "portable" release of this is just lagging way too far behind
what is in NetBSD's base.

Import of LukeM's ftpd version 1.1.