Upgrade OpenSSH to 7.3p1.

This is the last version of OpenSSH which does not break compatibility
more than we can live with in a stable branch. Further commits will
follow to backport some bug fixes from newer versions.

The sshd breakage in the previous attempt was due to an upstream bug
(a 0 was changed to a 1 while refactoring send_rexec_state() in sshd.c)
which only manifested itself when sshd was built with SSH 1 support.

Approved by: re@

Revert OpenSSH 7.3p1; something went wrong between testing and committing.

Approved by: re@

Upgrade OpenSSH to 7.3p1.

This is the last version of OpenSSH which does not break compatibility
more than we can live with in a stable branch. Further commits will
follow to backport some bug fixes from newer versions.

Approved by: re@

MFH (r265214, r294333, r294407, r294467): misc prop fixes
MFH (r285975, r287143): register mergeinfo for security fixes
MFH (r294497, r294498, r295139): internal documentation
MFH (r294328): upgrade to openssh 6.7p1, re-add libwrap
MFH (r294332): upgrade to openssh 6.8p1
MFH (r294367): update pam_ssh for api changes
MFH (r294909): switch usedns back on
MFH (r294336): upgrade to openssh 6.9p1
MFH (r294495): re-enable dsa keys
MFH (r294464): upgrade to openssh 7.0p1
MFH (r294496): upgrade to openssh 7.1p2

Approved by: re (gjb)
Relnotes: yes

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

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

Upgrade to OpenSSH 5.4p1.

MFC after: 1 month

Remove svn:keywords except on files that need it. This makes diffs
against the vendor branch much more readable.

Consistently set svn:eol-style.

Merge conflicts.

MFC after: 1 week

Resolve conflicts.

Resolve conflicts.

Resolve conflicts and remove obsolete files.

Sponsored by: registrar.no

Forcibly revert to mainline.

Resolve conflicts. Known issues:

- sshd fails to set TERM correctly.
- privilege separation may break PAM and is currently turned off.
- man pages have not yet been updated

I will have these issues resolved, and privilege separation turned on by
default, in time for DP2.

Sponsored by: DARPA, NAI Labs

Fix conflicts.

Fix conflicts for OpenSSH 2.9.

Update to OpenSSH 2.3.0 with FreeBSD modifications. OpenSSH 2.3.0
new features description elided in favor of checking out their
website.

Important new FreeBSD-version stuff: PAM support has been worked
in, partially from the "Unix" OpenSSH version, and a lot due to the
work of Eivind Eklend, too.

This requires at least the following in pam.conf:

sshd auth sufficient pam_skey.so
sshd auth required pam_unix.so try_first_pass
sshd session required pam_permit.so

Parts by: Eivind Eklend <eivind@FreeBSD.org>

Resolve conflicts and update for OpenSSH 2.2.0

Reviewed by: gshapiro, peter, green

Forced commit. This is to try and help folks that used the international
crypto repo and have slightly different files but with the same version.
cvsup in 'checkout mode' has no trouble with this, but cvs can get really
silly about it.

Resolve conflicts and update for FreeBSD.

#include <ssl/foo.h> -> #include <openssl/foo.h>

This commit was generated by cvs2svn to compensate for changes in r58582,
which included commits to RCS files with non-trunk default branches.

Virgin import of OpenSSH sources dated 2000/03/25

Vendor import of OpenSSH.