OpenBSD CVS

CVS log for src/usr.bin/ssh/Attic/buffer.c


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Default branch: MAIN


Revision 1.37, Mon Jul 9 21:56:06 2018 UTC (5 years, 10 months ago) by markus
Branch: MAIN
CVS Tags: HEAD
Changes since 1.36: +1 -1 lines
FILE REMOVED

remove legacy buffer API emulation layer; ok djm@

Revision 1.36 / (download) - annotate - [select for diffs], Wed Apr 30 05:29:56 2014 UTC (10 years ago) by djm
Branch: MAIN
CVS Tags: OPENBSD_6_3_BASE, OPENBSD_6_3, OPENBSD_6_2_BASE, OPENBSD_6_2, OPENBSD_6_1_BASE, OPENBSD_6_1, OPENBSD_6_0_BASE, OPENBSD_6_0, OPENBSD_5_9_BASE, OPENBSD_5_9, OPENBSD_5_8_BASE, OPENBSD_5_8, OPENBSD_5_7_BASE, OPENBSD_5_7, OPENBSD_5_6_BASE, OPENBSD_5_6
Changes since 1.35: +55 -190 lines
Diff to previous 1.35 (colored)

New buffer API; the first installment of the conversion/replacement
of OpenSSH's internals to make them usable as a standalone library.

This includes a set of wrappers to make it compatible with the
existing buffer API so replacement can occur incrementally.

With and ok markus@

Thanks also to Ben Hawkes, David Tomaschik, Ivan Fratric, Matthew
Dempsky and Ron Bowes for a detailed review.

Revision 1.35 / (download) - annotate - [select for diffs], Sun Feb 2 03:44:31 2014 UTC (10 years, 3 months ago) by djm
Branch: MAIN
CVS Tags: OPENBSD_5_5_BASE, OPENBSD_5_5
Changes since 1.34: +2 -2 lines
Diff to previous 1.34 (colored)

convert memset of potentially-private data to explicit_bzero()

Revision 1.34 / (download) - annotate - [select for diffs], Fri Nov 8 11:15:19 2013 UTC (10 years, 6 months ago) by dtucker
Branch: MAIN
Changes since 1.33: +2 -1 lines
Diff to previous 1.33 (colored)

Include stdlib.h for free() as per the man page.

Revision 1.33 / (download) - annotate - [select for diffs], Fri May 17 00:13:13 2013 UTC (11 years ago) by djm
Branch: MAIN
CVS Tags: OPENBSD_5_4_BASE, OPENBSD_5_4
Changes since 1.32: +2 -2 lines
Diff to previous 1.32 (colored)

bye, bye xfree(); ok markus@

Revision 1.32 / (download) - annotate - [select for diffs], Tue Feb 9 03:56:28 2010 UTC (14 years, 3 months ago) by djm
Branch: MAIN
CVS Tags: OPENBSD_5_3_BASE, OPENBSD_5_3, OPENBSD_5_2_BASE, OPENBSD_5_2, OPENBSD_5_1_BASE, OPENBSD_5_1, OPENBSD_5_0_BASE, OPENBSD_5_0, OPENBSD_4_9_BASE, OPENBSD_4_9, OPENBSD_4_8_BASE, OPENBSD_4_8, OPENBSD_4_7_BASE, OPENBSD_4_7
Changes since 1.31: +4 -4 lines
Diff to previous 1.31 (colored)

constify the arguments to buffer_len, buffer_ptr and buffer_dump

Revision 1.23.4.1 / (download) - annotate - [select for diffs], Fri Oct 6 03:19:32 2006 UTC (17 years, 7 months ago) by brad
Branch: OPENBSD_3_8
Changes since 1.23: +54 -15 lines
Diff to previous 1.23 (colored) next main 1.24 (colored)

upgrade to OpenSSH 4.4

Revision 1.23.6.1 / (download) - annotate - [select for diffs], Sat Sep 30 04:06:50 2006 UTC (17 years, 7 months ago) by brad
Branch: OPENBSD_3_9
Changes since 1.23: +54 -15 lines
Diff to previous 1.23 (colored) next main 1.24 (colored)

upgrade to OpenSSH 4.4

Revision 1.31 / (download) - annotate - [select for diffs], Thu Aug 3 03:34:41 2006 UTC (17 years, 9 months ago) by deraadt
Branch: MAIN
CVS Tags: OPENBSD_4_6_BASE, OPENBSD_4_6, OPENBSD_4_5_BASE, OPENBSD_4_5, OPENBSD_4_4_BASE, OPENBSD_4_4, OPENBSD_4_3_BASE, OPENBSD_4_3, OPENBSD_4_2_BASE, OPENBSD_4_2, OPENBSD_4_1_BASE, OPENBSD_4_1, OPENBSD_4_0_BASE, OPENBSD_4_0
Changes since 1.30: +2 -3 lines
Diff to previous 1.30 (colored)

almost entirely get rid of the culture of ".h files that include .h files"
ok djm, sort of ok stevesk
makes the pain stop in one easy step

Revision 1.30 / (download) - annotate - [select for diffs], Tue Aug 1 23:22:47 2006 UTC (17 years, 9 months ago) by stevesk
Branch: MAIN
Changes since 1.29: +2 -1 lines
Diff to previous 1.29 (colored)

move #include <stdio.h> out of includes.h

Revision 1.29 / (download) - annotate - [select for diffs], Wed Jul 26 02:35:17 2006 UTC (17 years, 9 months ago) by stevesk
Branch: MAIN
Changes since 1.28: +3 -1 lines
Diff to previous 1.28 (colored)

move #include <sys/param.h> out of includes.h

Revision 1.28 / (download) - annotate - [select for diffs], Sat Jul 22 20:48:22 2006 UTC (17 years, 9 months ago) by stevesk
Branch: MAIN
Changes since 1.27: +3 -1 lines
Diff to previous 1.27 (colored)

move #include <string.h> out of includes.h

Revision 1.27 / (download) - annotate - [select for diffs], Sun Apr 16 00:48:52 2006 UTC (18 years, 1 month ago) by djm
Branch: MAIN
Changes since 1.26: +48 -13 lines
Diff to previous 1.26 (colored)

Fix condition where we could exit with a fatal error when an input
buffer became too large and the remote end had advertised a big window.
The problem was a mismatch in the backoff math between the channels code
and the buffer code, so make a buffer_check_alloc() function that the
channels code can use to propsectivly check whether an incremental
allocation will succeed.  bz #1131, debugged with the assistance of
cove AT wildpackets.com; ok dtucker@ deraadt@

Revision 1.26 / (download) - annotate - [select for diffs], Sat Mar 25 13:17:01 2006 UTC (18 years, 1 month ago) by djm
Branch: MAIN
Changes since 1.25: +1 -0 lines
Diff to previous 1.25 (colored)

Put $OpenBSD$ tags back (as comments) to replace the RCSID()s that
Theo nuked - our scripts to sync -portable need them in the files

Revision 1.25 / (download) - annotate - [select for diffs], Sat Mar 25 01:13:23 2006 UTC (18 years, 1 month ago) by djm
Branch: MAIN
Changes since 1.24: +1 -1 lines
Diff to previous 1.24 (colored)

change OpenSSH's xrealloc() function from being xrealloc(p, new_size) to
xrealloc(p, new_nmemb, new_itemsize).

realloc is particularly prone to integer overflows because it is almost
always allocating "n * size" bytes, so this is a far safer API;
ok deraadt@

Revision 1.24 / (download) - annotate - [select for diffs], Sun Mar 19 18:51:18 2006 UTC (18 years, 2 months ago) by deraadt
Branch: MAIN
Changes since 1.23: +0 -1 lines
Diff to previous 1.23 (colored)

RCSID() can die

Revision 1.21.4.2 / (download) - annotate - [select for diffs], Sun Jun 5 02:22:39 2005 UTC (18 years, 11 months ago) by brad
Branch: OPENBSD_3_6
Changes since 1.21.4.1: +4 -4 lines
Diff to previous 1.21.4.1 (colored) to branchpoint 1.21 (colored) next main 1.22 (colored)

upgrade to OpenSSH 4.1

Revision 1.23 / (download) - annotate - [select for diffs], Mon Mar 14 11:46:56 2005 UTC (19 years, 2 months ago) by markus
Branch: MAIN
CVS Tags: OPENBSD_3_9_BASE, OPENBSD_3_8_BASE, OPENBSD_3_7_BASE, OPENBSD_3_7
Branch point for: OPENBSD_3_9, OPENBSD_3_8
Changes since 1.22: +4 -4 lines
Diff to previous 1.22 (colored)

limit input buffer size for channels; bugzilla #896; with and ok dtucker@

Revision 1.21.2.1 / (download) - annotate - [select for diffs], Thu Mar 10 17:15:04 2005 UTC (19 years, 2 months ago) by brad
Branch: OPENBSD_3_5
Changes since 1.21: +38 -10 lines
Diff to previous 1.21 (colored) next main 1.22 (colored)

upgrade to OpenSSH 4.0

Revision 1.21.4.1 / (download) - annotate - [select for diffs], Thu Mar 10 16:28:27 2005 UTC (19 years, 2 months ago) by brad
Branch: OPENBSD_3_6
Changes since 1.21: +38 -10 lines
Diff to previous 1.21 (colored)

upgrade to OpenSSH 4.0

Revision 1.22 / (download) - annotate - [select for diffs], Fri Oct 29 23:56:17 2004 UTC (19 years, 6 months ago) by djm
Branch: MAIN
Changes since 1.21: +38 -10 lines
Diff to previous 1.21 (colored)

introduce a new buffer API that returns an error rather than fatal()ing when
presented with bad data; ok markus@

Revision 1.16.4.3 / (download) - annotate - [select for diffs], Thu Mar 4 18:18:15 2004 UTC (20 years, 2 months ago) by brad
Branch: OPENBSD_3_3
Changes since 1.16.4.2: +4 -3 lines
Diff to previous 1.16.4.2 (colored) to branchpoint 1.16 (colored) next main 1.17 (colored)

upgrade to OpenSSH 3.8upgrade to OpenSSH 3.8upgrade to OpenSSH 3.8

Revision 1.18.2.1 / (download) - annotate - [select for diffs], Sat Feb 28 03:51:32 2004 UTC (20 years, 2 months ago) by brad
Branch: OPENBSD_3_4
Changes since 1.18: +4 -3 lines
Diff to previous 1.18 (colored) next main 1.19 (colored)

upgrade to OpenSSH 3.8

Revision 1.21 / (download) - annotate - [select for diffs], Fri Nov 21 11:57:03 2003 UTC (20 years, 6 months ago) by djm
Branch: MAIN
CVS Tags: OPENBSD_3_6_BASE, OPENBSD_3_5_BASE
Branch point for: OPENBSD_3_6, OPENBSD_3_5
Changes since 1.20: +2 -2 lines
Diff to previous 1.20 (colored)

unexpand and delete whitespace at EOL; ok markus@

Revision 1.20 / (download) - annotate - [select for diffs], Fri Sep 19 09:03:00 2003 UTC (20 years, 8 months ago) by markus
Branch: MAIN
Changes since 1.19: +2 -2 lines
Diff to previous 1.19 (colored)

sign fix in buffer_dump; Jedi/Sector One; pr 3473

Revision 1.19 / (download) - annotate - [select for diffs], Thu Sep 18 07:54:48 2003 UTC (20 years, 8 months ago) by markus
Branch: MAIN
Changes since 1.18: +2 -1 lines
Diff to previous 1.18 (colored)

protect against double free; #660;  zardoz at users.sf.net

Revision 1.16.4.2 / (download) - annotate - [select for diffs], Tue Sep 16 21:30:49 2003 UTC (20 years, 8 months ago) by brad
Branch: OPENBSD_3_3
Changes since 1.16.4.1: +10 -5 lines
Diff to previous 1.16.4.1 (colored) to branchpoint 1.16 (colored)

upgrade to OpenSSH 3.7.1

Revision 1.16.2.2 / (download) - annotate - [select for diffs], Tue Sep 16 21:25:56 2003 UTC (20 years, 8 months ago) by brad
Branch: OPENBSD_3_2
Changes since 1.16.2.1: +10 -5 lines
Diff to previous 1.16.2.1 (colored) to branchpoint 1.16 (colored) next main 1.17 (colored)

upgrade to OpenSSH 3.7.1

Revision 1.16.2.1 / (download) - annotate - [select for diffs], Tue Sep 16 21:20:24 2003 UTC (20 years, 8 months ago) by brad
Branch: OPENBSD_3_2
Changes since 1.16: +8 -5 lines
Diff to previous 1.16 (colored)

upgrade to OpenSSH 3.7

Revision 1.18 / (download) - annotate - [select for diffs], Tue Sep 16 21:02:39 2003 UTC (20 years, 8 months ago) by markus
Branch: MAIN
CVS Tags: OPENBSD_3_4_BASE
Branch point for: OPENBSD_3_4
Changes since 1.17: +10 -5 lines
Diff to previous 1.17 (colored)

more malloc/fatal fixes; ok millert/deraadt; ghudson at MIT.EDU

Revision 1.16.4.1 / (download) - annotate - [select for diffs], Tue Sep 16 20:50:42 2003 UTC (20 years, 8 months ago) by brad
Branch: OPENBSD_3_3
Changes since 1.16: +8 -5 lines
Diff to previous 1.16 (colored)

upgrade to OpenSSH 3.7

Revision 1.17 / (download) - annotate - [select for diffs], Tue Sep 16 03:03:47 2003 UTC (20 years, 8 months ago) by deraadt
Branch: MAIN
Changes since 1.16: +8 -5 lines
Diff to previous 1.16 (colored)

do not expand buffer before attempting to reallocate it; markus ok

Revision 1.13.4.2 / (download) - annotate - [select for diffs], Wed Jun 26 18:22:34 2002 UTC (21 years, 10 months ago) by miod
Branch: OPENBSD_3_0
Changes since 1.13.4.1: +7 -1 lines
Diff to previous 1.13.4.1 (colored) to branchpoint 1.13 (colored) next main 1.14 (colored)

There was an update to OpenSSH 3.4, and people rejoiced.

Revision 1.15.2.1 / (download) - annotate - [select for diffs], Wed Jun 26 15:30:37 2002 UTC (21 years, 10 months ago) by jason
Branch: OPENBSD_3_1
Changes since 1.15: +7 -1 lines
Diff to previous 1.15 (colored) next main 1.16 (colored)

Pull in OpenSSH-3.4

Revision 1.16 / (download) - annotate - [select for diffs], Wed Jun 26 08:54:18 2002 UTC (21 years, 10 months ago) by markus
Branch: MAIN
CVS Tags: OPENBSD_3_3_BASE, OPENBSD_3_2_BASE
Branch point for: OPENBSD_3_3, OPENBSD_3_2
Changes since 1.15: +7 -1 lines
Diff to previous 1.15 (colored)

limit append to 1MB and buffers to 10MB

Revision 1.13.2.1 / (download) - annotate - [select for diffs], Sat Mar 9 00:20:44 2002 UTC (22 years, 2 months ago) by miod
Branch: OPENBSD_2_9
Changes since 1.13: +15 -12 lines
Diff to previous 1.13 (colored) next main 1.14 (colored)

Merge OpenSSH 3.1, keeping /etc as configuration files directory.
(i.e. OpenSSH 3.1 + openbsd29_3.1.patch)

Revision 1.8.2.6 / (download) - annotate - [select for diffs], Fri Mar 8 17:04:42 2002 UTC (22 years, 2 months ago) by brad
Branch: OPENBSD_2_8
Changes since 1.8.2.5: +15 -12 lines
Diff to previous 1.8.2.5 (colored) to branchpoint 1.8 (colored) next main 1.9 (colored)

Merge OpenSSH 3.1.

Revision 1.13.4.1 / (download) - annotate - [select for diffs], Thu Mar 7 17:37:46 2002 UTC (22 years, 2 months ago) by jason
Branch: OPENBSD_3_0
Changes since 1.13: +15 -12 lines
Diff to previous 1.13 (colored)

Update to OpenSSH-3.1 on 3.0-stable branch

Revision 1.15 / (download) - annotate - [select for diffs], Fri Jan 18 18:14:17 2002 UTC (22 years, 4 months ago) by stevesk
Branch: MAIN
CVS Tags: OPENBSD_3_1_BASE
Branch point for: OPENBSD_3_1
Changes since 1.14: +2 -2 lines
Diff to previous 1.14 (colored)

unneeded cast cleanup; ok markus@

Revision 1.14 / (download) - annotate - [select for diffs], Wed Dec 19 17:16:13 2001 UTC (22 years, 5 months ago) by stevesk
Branch: MAIN
Changes since 1.13: +14 -11 lines
Diff to previous 1.13 (colored)

change the buffer/packet interface to use void* vs. char*; ok markus@

Revision 1.8.2.5 / (download) - annotate - [select for diffs], Thu Sep 27 00:15:41 2001 UTC (22 years, 7 months ago) by miod
Branch: OPENBSD_2_8
Changes since 1.8.2.4: +0 -0 lines
Diff to previous 1.8.2.4 (colored) to branchpoint 1.8 (colored)

Pull in OpenSSH 2.9.9 to the 2.8 branch.

Revision 1.8.2.4 / (download) - annotate - [select for diffs], Mon May 7 21:09:27 2001 UTC (23 years ago) by jason
Branch: OPENBSD_2_8
Changes since 1.8.2.3: +11 -5 lines
Diff to previous 1.8.2.3 (colored) to branchpoint 1.8 (colored)

Pull in OpenSSH-2.9 to 2.8 branch.

Revision 1.13 / (download) - annotate - [select for diffs], Thu Apr 12 19:15:24 2001 UTC (23 years, 1 month ago) by markus
Branch: MAIN
CVS Tags: OPENBSD_3_0_BASE, OPENBSD_2_9_BASE
Branch point for: OPENBSD_3_0, OPENBSD_2_9
Changes since 1.12: +8 -3 lines
Diff to previous 1.12 (colored)

implement HostbasedAuthentication (= RhostRSAAuthentication for ssh v2)
similar to RhostRSAAuthentication unless you enable (the experimental)
HostbasedUsesNameFromPacketOnly option.  please test. :)

Revision 1.12 / (download) - annotate - [select for diffs], Sat Apr 7 08:55:15 2001 UTC (23 years, 1 month ago) by markus
Branch: MAIN
Changes since 1.11: +2 -2 lines
Diff to previous 1.11 (colored)

allow the ssh client act as a SOCKS4 proxy (dynamic local portforwarding).
work by Dan Kaminsky <dankamin@cisco.com> and me. thanks to Dan for this
great patch: use 'ssh -D 1080 host' and make netscape use localhost:1080 as
a socks proxy.

Revision 1.11 / (download) - annotate - [select for diffs], Thu Apr 5 21:02:46 2001 UTC (23 years, 1 month ago) by markus
Branch: MAIN
Changes since 1.10: +3 -2 lines
Diff to previous 1.10 (colored)

better error message

Revision 1.8.2.3 / (download) - annotate - [select for diffs], Wed Mar 21 19:46:23 2001 UTC (23 years, 2 months ago) by jason
Branch: OPENBSD_2_8
Changes since 1.8.2.2: +0 -0 lines
Diff to previous 1.8.2.2 (colored) to branchpoint 1.8 (colored)

Pull in OpenSSH-2.5.2 for 2.8 branch.

Revision 1.6.2.4 / (download) - annotate - [select for diffs], Wed Mar 21 18:52:37 2001 UTC (23 years, 2 months ago) by jason
Branch: OPENBSD_2_7
Changes since 1.6.2.3: +0 -0 lines
Diff to previous 1.6.2.3 (colored) to branchpoint 1.6 (colored) next main 1.7 (colored)

Pull in OpenSSH-2.5.2 for 2.7 branch.

Revision 1.6.2.3 / (download) - annotate - [select for diffs], Mon Mar 12 15:44:08 2001 UTC (23 years, 2 months ago) by jason
Branch: OPENBSD_2_7
Changes since 1.6.2.2: +9 -9 lines
Diff to previous 1.6.2.2 (colored) to branchpoint 1.6 (colored)

OpenSSH-2.5.1 for 2.7 patch branch

Revision 1.8.2.2 / (download) - annotate - [select for diffs], Mon Feb 19 17:18:42 2001 UTC (23 years, 3 months ago) by jason
Branch: OPENBSD_2_8
Changes since 1.8.2.1: +0 -0 lines
Diff to previous 1.8.2.1 (colored) to branchpoint 1.8 (colored)

Pull in OpenSSH-2.5.1

Revision 1.8.2.1 / (download) - annotate - [select for diffs], Fri Feb 16 20:12:55 2001 UTC (23 years, 3 months ago) by jason
Branch: OPENBSD_2_8
Changes since 1.8: +9 -9 lines
Diff to previous 1.8 (colored)

Pull in OpenSSH 2.5.0

Revision 1.10 / (download) - annotate - [select for diffs], Sun Jan 21 19:05:45 2001 UTC (23 years, 3 months ago) by markus
Branch: MAIN
Changes since 1.9: +2 -2 lines
Diff to previous 1.9 (colored)

split ssh.h and try to cleanup the #include mess. remove unnecessary #includes.
rename util.[ch] -> misc.[ch]

Revision 1.9 / (download) - annotate - [select for diffs], Tue Dec 19 23:17:55 2000 UTC (23 years, 5 months ago) by markus
Branch: MAIN
Changes since 1.8: +8 -8 lines
Diff to previous 1.8 (colored)

replace 'unsigned bla' with 'u_bla' everywhere. also, replace 'char unsigned'
with u_char.

Revision 1.6.2.2 / (download) - annotate - [select for diffs], Wed Nov 8 21:30:29 2000 UTC (23 years, 6 months ago) by jason
Branch: OPENBSD_2_7
Changes since 1.6.2.1: +6 -8 lines
Diff to previous 1.6.2.1 (colored) to branchpoint 1.6 (colored)

openssh-2.3.0 (again) for 2.7 branch

Revision 1.8 / (download) - annotate - [select for diffs], Thu Sep 7 20:27:50 2000 UTC (23 years, 8 months ago) by deraadt
Branch: MAIN
CVS Tags: OPENBSD_2_8_BASE
Branch point for: OPENBSD_2_8
Changes since 1.7: +6 -8 lines
Diff to previous 1.7 (colored)

cleanup copyright notices on all files.  I have attempted to be accurate with
the details.  everything is now under Tatu's licence (which I copied from his
readme), and/or the core-sdi bsd-ish thing for deattack, or various openbsd
developers under a 2-term bsd licence.  We're not changing any rules, just
being accurate.

Revision 1.6.2.1 / (download) - annotate - [select for diffs], Fri Sep 1 18:23:18 2000 UTC (23 years, 8 months ago) by jason
Branch: OPENBSD_2_7
Changes since 1.6: +1 -1 lines
Diff to previous 1.6 (colored)

Pull in the rest of openssh-2.2.0 to 2.7 branch (luvin' cvs...)

Revision 1.7 / (download) - annotate - [select for diffs], Tue Jun 20 01:39:39 2000 UTC (23 years, 11 months ago) by markus
Branch: MAIN
Changes since 1.6: +1 -1 lines
Diff to previous 1.6 (colored)

OpenBSD tag

Revision 1.6 / (download) - annotate - [select for diffs], Fri Apr 14 10:30:30 2000 UTC (24 years, 1 month ago) by markus
Branch: MAIN
CVS Tags: OPENBSD_2_7_BASE
Branch point for: OPENBSD_2_7
Changes since 1.5: +17 -17 lines
Diff to previous 1.5 (colored)

whitespace cleanup

Revision 1.5 / (download) - annotate - [select for diffs], Wed Apr 12 10:22:38 2000 UTC (24 years, 1 month ago) by markus
Branch: MAIN
Changes since 1.4: +4 -4 lines
Diff to previous 1.4 (colored)

typos

Revision 1.4 / (download) - annotate - [select for diffs], Wed Nov 24 19:53:44 1999 UTC (24 years, 5 months ago) by markus
Branch: MAIN
Changes since 1.3: +14 -8 lines
Diff to previous 1.3 (colored)

KNF, final part 3

Revision 1.3 / (download) - annotate - [select for diffs], Wed Nov 24 00:26:01 1999 UTC (24 years, 5 months ago) by deraadt
Branch: MAIN
Changes since 1.2: +14 -14 lines
Diff to previous 1.2 (colored)

much more KNF

Revision 1.2 / (download) - annotate - [select for diffs], Tue Nov 23 22:25:53 1999 UTC (24 years, 5 months ago) by markus
Branch: MAIN
Changes since 1.1: +79 -74 lines
Diff to previous 1.1 (colored)

KNF part 1

Revision 1.1 / (download) - annotate - [select for diffs], Sun Sep 26 20:53:34 1999 UTC (24 years, 7 months ago) by deraadt
Branch: MAIN
CVS Tags: OPENBSD_2_6_BASE, OPENBSD_2_6

i bet a lot of people didn't know what ssh 1.2.16 had a nice license.
well, except for the patent issues.  someone in sweden (forget their
name at the moment) cleaned out most of the patented code, and now
this code removes rsa code.  when this is done, it will link against
libssl, but the work isn't completely done yet.  then we need to bring
this up to modern days, featurewise.

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