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92da29a00d
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47 Commits

Author SHA1 Message Date
Ruslan Ermilov
92da29a00d - Optimization to the previous (rev 1.15) commit. 
Requested by:	eivind
Discussed with:	eivind
Reviewed by:	brian, eivind
 1999-09-10 15:27:34 +00:00
Ruslan Ermilov
29d958bb8a Handle TCP reset sequence properly. 
In the words of originator:
:If an incoming connection is initiated through natd and deny_incoming is
:not set, then a new alias_link structure is created to handle the link.
:If there is nothing listening for the incoming connection, then the kernel
:responds with a RST for the connection. However, this is not processed
:correctly in libalias/alias.c:TcpMonitor{In,Out} and
:libalias/alias_db.c:SetState{In,Out} as it thinks a connection
:has been established and therefore applies a timeout of 86400 seconds
:to the link.
:
:If many of these half-connections are initiated (during, for example, a
:port scan of the host), then many thousands of unnecessary links are
:created and the resident size of natd balloons to 20MB or more.

PR:		13639
Reviewed by:	brian
 1999-09-09 13:42:51 +00:00
Ruslan Ermilov
2f89696765 Fix typo. 1999-09-08 16:37:14 +00:00
Bill Fumerola
a5a388c7ab Add $FreeBSD$ and spell Eklund properly. 
Approved by:	brian (well, he approved adding $Id$)
 1999-08-29 23:17:04 +00:00
Peter Wemm
7f3dea244c $Id$ -> $FreeBSD$ 1999-08-28 00:22:10 +00:00
Brian Somers
7765ab6476 Aallow ppp to work with Nortel Networks Extranet Switch 
product and Windows NT tunneling.

Submitted by: Chain Lee <chain@nortelnetworks.com>
 1999-08-22 23:32:01 +00:00
Tim Vanderhoek
a395af9036 Typo: 102 => 192 (PR: docs/13310 - Maxim Sobolev <sobomax@altavista.net>) 1999-08-22 19:23:33 +00:00
Mike Pritchard
74804d58a0 Various man page cleanup: 
- Sort xrefs
- FreeBSD.ORG -> FreeBSD.org
- Be consistent with section names as outlines in mdoc(7)
- Other misc mdoc cleanup.

PR:		doc/13144
Submitted by:	Alexy M. Zelkin <phantom@cris.net>
 1999-08-15 09:51:25 +00:00
Brian Somers
0622eafc89 Don't get caught in an infinite recursion when PKT_ALIAS_REVERSE 
is set.
Document PKT_ALIAS_REVERSE.

Pointed out by:	Jonathan Hanna <jh@cr1003333-a.crdva1.bc.home.com>
PR:		12304
 1999-06-22 11:20:03 +00:00
Brian Somers
6961f3da13 brucify 
Mentioned by: sprice@hiwaay.net
 1999-05-23 13:52:05 +00:00
Eivind Eklund
5164f52665 Make incoming packets work as keepalives, too. This should fix problems 
for some games.

Notified of problem by:	tim@turbinegames.com
 1999-05-20 20:20:24 +00:00
Brian Somers
f1dfc9571e Add missing ``.''. 1999-05-04 10:56:13 +00:00
Luoqi Chen
46d28b4462 Work around an egcs optimizer bug (i386). This should fix the active ftp 
hang problem. A bug report has been sent to cygnus.
 1999-04-21 21:28:01 +00:00
Brian Somers
42889ed1d5 PacketAliasProxyRule takes a const char * 
Reminded by: bde
 1999-03-25 06:48:05 +00:00
Brian Somers
942759e756 Add a ``const'' and remove some inconsistent prototype args. 1999-03-24 20:28:58 +00:00
Bill Fumerola
26bb956563 Remove duplicate line. 
Reviewed by:	eivind
 1999-03-23 23:01:15 +00:00
Brian Somers
4c32f5d217 Remove all diagnostics to stdout/stderr with #ifdef DEBUG 
Statify functions in alias_nbt.c
 1999-03-09 23:44:00 +00:00
Brian Somers
164928d385 Document PacketAliasPptp() and allow it to be disabled 
by passing INADDR_NONE.
 1999-03-07 18:13:23 +00:00
Brian Somers
b862eda467 Remove unused function stubs. 1999-03-07 15:36:58 +00:00
Brian Somers
ac8e3334de Mention that PacketAliasProxyRule() doesn't accept host names, 
just IP numbers.
 1999-03-07 15:02:22 +00:00
Brian Somers
619d1a30a1 Document PacketAliasProxyRule() and fix a typo. 1999-03-06 21:58:43 +00:00
Brian Somers
7d96f4efd2 Version 3.0: January 1, 1999 
- Transparent proxying support added.
    - PPTP redirecting support added based on patches
      contributed by Dru Nelson <dnelson@redwoodsoft.com>.

Submitted by: Charles Mott <cmott@srv.net>
 1999-02-27 02:16:01 +00:00
Brian Somers
a2743da670 If we can't open alias.log, don't try to write to the 
resulting NULL FILE *.
PR:	9403
 1999-01-10 02:05:13 +00:00
Matthew Dillon
374fad8b17 Reviewed by: freebsd-current 
Add bounds checking to netbios NS packet resolving code.  This should
    prevent natd from crashing on badly formed netbios packets (as might be
    heard when the machine is sitting on a cable modem or certain DSL
    networks), and also closes potential security holes that might have
    exploited the lack of bounds checking in the previous version of the
    code.
 1998-12-14 02:25:32 +00:00
John Polstra
b2052ac8cf Fix a couple of typos. 1998-11-19 18:07:28 +00:00
Brian Somers
7100135f12 Remove OpenBSD build support - let the Makefile vary per 
OS rather than making it a mess and potentially screwing
up cross builds.
Suggested by: bde

Add Id keyword.
 1998-08-31 12:14:30 +00:00
Brian Somers
e8ede338eb Add OpenBSD build support 1998-08-30 23:53:25 +00:00
Brian Somers
0579bd7175 Add CUSEEME support. This has *not* been tested, nor 
could I find anyone to test it, so please report any
problems to me.
 1998-06-24 06:58:00 +00:00
Brian Somers
dfcb634be3 Quieten gcc 2.8.1 1998-06-10 00:26:19 +00:00
Brian Somers
b5ce85fe32 Don't call PunchFWHole() ifdef NO_FW_PUNCH 
Pointed out by: "Steve Sims" <SimsS@IBM.Net>
 1998-06-06 21:52:37 +00:00
Joseph Koshy
9c727d2ca9 Spelling corrections. 
PR: 6868
Submitted by: Josh Gilliam <josh@quick.net>
 1998-06-06 05:50:53 +00:00
Atsushi Murai
fb9cd36d0d Primary verison of NetBIOS over TCP/IP. Now you can connect Windows 
DOMAIN as DOMAIN user through NAT function. See also RFC1002 for
futher detail of SMB structure.

Submitted by:	Atsushi Murai <amurai@spec.co.jp>
 1998-05-24 03:03:10 +00:00
Brian Somers
9feab75ab7 o Support a compile-time -DNO_FW_PUNCH for portability 
(and those of us that don't want the functionality).
o Don't assume sizeof(long) == 4.
Ok'd by: Charles Mott <cmott@srv.net>
 1998-04-19 21:42:07 +00:00
Bruce Evans
bf9a92b782 FixedSpellingErrorInAFunctionname. 1998-03-23 12:28:31 +00:00
Brian Somers
0ffaca1078 1) in CleanupAliasData, don't nullify entry in linkTableOut 
since there might be permanent entries still left after
   calls to DeleteLink (it will be nullified by DeleteLink
   if all entries are deleted, won't it ?)

2) in PacketAliasSetAddress, set the aliasing address
   even when PKT_ALIAS_RESET_ON_ADDR_CHANGE is in effect.
   Just don't clean up links in this case.

Submitted by: Ari Suutari <ari@suutari.iki.fi>
         via: Charles Mott <cmott@srv.net>
PR: 5041
 1998-02-27 23:07:07 +00:00
Bruce Evans
442a25bd7b Fixed a missing #include in the synopsis. 
Fixed some wrong prototypes.
Fixed a misspelled function name.

The owner of this file should add a copyright and an Id.
 1998-01-16 13:02:58 +00:00
Bruce Evans
bb6d5d9147 Added prototypes for functions that were documented in libalias.3 
but not prototyped here.
 1998-01-16 12:56:07 +00:00
Brian Somers
b563bd02f0 Remove __libalias_version. Ppp no longer uses it. 1998-01-14 01:24:49 +00:00
Eivind Eklund
58ba5f4a30 Remove use of <osreldate.h>. 
Screwed up by: myself
 1998-01-11 18:34:38 +00:00
Steve Price
1f48070a27 Put back __libalias_version so ppp(8) build again. 1998-01-10 19:37:19 +00:00
Alexander Langer
1e73fe2ae8 Sync with ipfw interface change: fw_pts is now part of a union (a 
necessary evil due to the 108 byte setsockopt() limit).
 1998-01-10 16:14:18 +00:00
Jordan K. Hubbard
20f16cfce3 include <net/if.h> and restore this to sanity. 1998-01-10 15:04:06 +00:00
Eivind Eklund
8ddc51bc8b Teach libalias to work with IPFW firewalls (controlled by a flag). 
Obtained from: Yes development tree (+ 10 lines of patches from
	Charles Mott, original libalias author)
 1998-01-09 21:13:35 +00:00
Brian Somers
59354a4e8d Upgrade to 2.4 (Fix -PKT_ALIAS_UNREGISTERED_ONLY) 
Submitted by:	Charles Mott <cmott@srv.net>

Add __libalias_version so that ppp can derive the
correct library name for dlopen()
 1997-09-06 11:11:43 +00:00
Brian Somers
4fe071a9f7 Fix file descriptor leak. 
Submitted by:	Charles Mott <cmott@srv.net>
Identified by:	Gordon Burditt
 1997-08-11 22:05:10 +00:00
Brian Somers
3efa11bb71 Update to version 2.2. Only the PacketAlias*() 
functions should now be used.  The old 2.1 stuff is
there for backwards compatability.
Submitted by:	Charles Mott <cmott@snake.srv.net>
 1997-08-03 18:20:03 +00:00
Brian Somers
3b160b8b6e Create the alias library. This is currently only used by 
ppp (or will be shortly).  Natd can now be updated to use
this library rather than carrying its own version of the code.

Submitted by:	Charles Mott <cmott@srv.net>
 1997-05-23 04:41:31 +00:00