[SA-14:25] Fix kernel stack disclosure in setlogin(2) / getlogin(2).
[SA-14:26] Fix remote command execution in ftp(1).

Approved by: re (gjb)

Copy stable/10@r272459 to releng/10.1 as part of
the 10.1-RELEASE process.

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

MFC r263289: Update NetBSD Foundation copyrights to 2-clause BSD

The NetBSD Foundation states "Third parties are encouraged to change the
license on any files which have a 4-clause license contributed to the
NetBSD Foundation to a 2-clause license."

This change removes clauses 3 and 4 from copyright / license blocks that
list The NetBSD Foundation as the only copyright holder.

Sponsored by: The FreeBSD Foundation

Hoist all the mergeinfo up to the root in preparation for enforcing merges
to the root only. All MFC's were rerecorded to the root.

Going forward, if an MFC includes mergeinfo, it will need to be made to
the root and committed from the root. Merges with --ignore-ancestry
or diff | patch can go anywhere.

The mergeinfo in HEAD is in a bad state from years of neglect and manual
tampering and this was branched into 10.x. This confuses the coalescing
code and prevents it from doing its job.

Approved by: re (gjb, implicit)

Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.

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

Move determination of socket buffer sizes from startup to the first time a
socket is used. The previous code structure assumed that AF_INET sockets
were always available, which is an invalid assumption on IPv6-only systems.

This merges the fololowing revisions from NetBSD:
src/usr.bin/ftp/main.c 1.120
src/usr.bin/ftp/util.c 1.156

PR: bin/162661
Tested by: bz
Obtained from: NetBSD
MFC after: 1 week

With retirement of cpumask_t and usage of cpuset_t for representing a
mask of CPUs, pc_other_cpus and pc_cpumask become highly inefficient.

Remove them and replace their usage with custom pc_cpuid magic (as,
atm, pc_cpumask can be easilly represented by (1 << pc_cpuid) and
pc_other_cpus by (all_cpus & ~(1 << pc_cpuid))).

This change is not targeted for MFC because of struct pcpu members
removal and dependency by cpumask_t retirement.

MD review by: marcel, marius, alc
Tested by: pluknet
MD testing by: marcel, marius, gonzo, andreast

Merge tnftp-20100108 from the vendor branch into head.

PR: bin/112288 bin/120256 bin/129014 bin/145528
MFC after: 1 month

Copy lukemftp to its new home, tnftp. I'm doing this in stages so as to
not confuse the CVS exporter.

Bootstrap mergeinfo

Merge fix from r1.108 of NetBSD's usr.bin/ftp/main.c:

Only attempt to el_parse() a command unknown by the default parser
if editing is enabled.

PR: bin/100089
MFC after: 3 days

This commit was generated by cvs2svn to compensate for changes in r146309,
which included commits to RCS files with non-trunk default branches.

This commit was generated by cvs2svn to compensate for changes in r142129,
which included commits to RCS files with non-trunk default branches.

This commit was generated by cvs2svn to compensate for changes in r128671,
which included commits to RCS files with non-trunk default branches.

This commit was generated by cvs2svn to compensate for changes in r121966,
which included commits to RCS files with non-trunk default branches.

This commit was generated by cvs2svn to compensate for changes in r117059,
which included commits to RCS files with non-trunk default branches.

This never should have been here.

This commit was generated by cvs2svn to compensate for changes in r116424,
which included commits to RCS files with non-trunk default branches.

This commit was generated by cvs2svn to compensate for changes in r98247,
which included commits to RCS files with non-trunk default branches.

This commit was generated by cvs2svn to compensate for changes in r95504,
which included commits to RCS files with non-trunk default branches.

This commit was generated by cvs2svn to compensate for changes in r79971,
which included commits to RCS files with non-trunk default branches.