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Author SHA1 Message Date
Ed Maste 14f102eacc tcp_wrappers: Use ANSI (c89) function definitions 
Although this code is in contrib/ there is no active upstream.

Reviewed by:	brooks
Sponsored by:	The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D36047
 2023-03-21 10:09:34 -04:00
Brooks Davis 068ad27de3 Use ANSI C function definitions and declerations. 
Obtained from:	CheriBSD
MFC after:	1 week
Sponsored by:	DARPA, AFRL
 2019-07-17 23:09:40 +00:00
Hajimu UMEMOTO 4f10131848 NI_WITHSCOPEID cleanup. Neither RFC 2553 nor RFC 3493 defines 
NI_WITHSCOPEID, and our getaddrinfo(3) does nothing special
for it, now.
 2005-05-13 16:31:11 +00:00
Ceri Davies c0b3834d3c Correct compilation with "#define really_paranoid". 
PR:		bin/59674
Submitted by:	Vaclav Rehak <vasek@zoom-int.cz>
 2003-12-27 14:58:00 +00:00
Kris Kennaway c16e19ce77 Unbreak "paranoid" host checking, which was broken with the IPv6 code 
import.

Submitted by:	Tony Finch <dot@dotat.at>
 2001-07-04 20:16:18 +00:00
Hajimu UMEMOTO 6568848868 - reject numeric address 
- validate scope in sockaddr comparison logic

patch was originally submitted by itojun and slightly modified by me.

Reviewed by:	itojun, kris
 2000-09-25 00:41:55 +00:00
Hajimu UMEMOTO 2f0cc2fd05 Don't touch ai_canonname without checking NULL. Current 
implementation of getaddrinfo() may return NULL ai_canonname.
There is no consensus how getaddrinfo() should fill ai_canonname
when numeric hostname is given.

Reported by:	kris
 2000-09-23 15:40:12 +00:00
Hajimu UMEMOTO b208ff84c1 Add IPv6 scoped address support. 
It enables us to control link-local connections by interface like
this:

    ALL : [fe80::%ed0]/10 : allow
    ALL : [fe80::]/10 : deny
 2000-07-14 17:15:34 +00:00
Yoshinobu Inoue 8053080cbc Missing tcp_wrapper IPv6 support seemed to be a bug, so commit it. 
Now when tcp_wrapper is enabled by inetd -wW,
  several accesses which should be permitted are refused only for IPv6,
  if hostname is used to decide the host to be allowed.
  IPv6 users will be just upset.

  About security related concern.
    -All extensions are wrapped by #ifdef INET6, so people can completely
     disable the extension by recompile libwrap without INET6 option.
    -Access via IPv6 is not enabled by default.
     People need to enable IPv6 access by changing /etc/inetd.conf at first,
     by adding tcp6 and/or tcp46 entries.
    -The base of patches are from KAME package and are actually daily used
     for more than a year in several Japanese IPv6 environments.
    -Patches are reviewed by markm.

Approved by: jkh

Submitted by: Hajimu UMEMOTO <ume@mahoroba.org>
Reviewed by: markm
Obtained from: KAME project
 2000-02-03 10:27:03 +00:00
Mark Murray 2aef693010 Clean import of TCP-wrappers by Wietse Venema. 
Rest of build to follow.
 1999-03-14 17:13:19 +00:00