Commit Graph

34 Commits

Author SHA1 Message Date
brooks
7b653f6ca0 Remove a duplicate global (rfc931_timeout).
It is declared here and in rfc931.c and unused here so keep that copy
and discard this one.

Obtained from:	CheriBSD
MFC after:	1 week
Sponsored by:	DARPA, AFRL
2019-07-17 23:43:14 +00:00
brooks
4ec3b4a70b Use headers instead of manual declerations of standard functions and
variables.
2019-07-17 23:36:36 +00:00
brooks
58d8ce329e 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
bz
bbf7c66f5e Reduce the log level of tcpd_warn calls from ERR to WARNING.
This matches the name and avoids logging of warnings to console with
default syslog.conf, esp. getting rid of:
  warning: /etc/hosts.allow, line ..: can't verify hostname: \
     getaddrinfo(.., AF_INET) failed
2018-08-23 20:44:26 +00:00
avg
3fe08fd2bb remove bogus declaration of malloc from tcp_wrappers
The declaration was already inactive when INET6 was enabled
and it causes a build error in the other case because of
a conflict with the correct definition in stdlib.h.

Discussed with:	dim, ume
MFC after:	2 weeks
2017-06-20 16:40:31 +00:00
sbruno
eaa789e831 TCP Wrappers: tcpdchk (tcp wrapper configuration checker) and tcpdmatch
(tcp wrapper oracle) warning fixes via edits to the C code files

contrib/tcp_wrappers/fakelog.c
  Warnings for each of functions: openlog( ), vsyslog( ), VARARGS( ),
  closelog( )
    warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
    warning: control reaches end of non-void function [-Wreturn-type]
  Fixes:
      Explicitly added specification of function type to void for each
        function, suppressing both warnings for each function listed
contrib/tcp_wrappers/inetcf.c
  Warnings:
      warning: incompativle redeclaration of library function 'malloc'
        note: 'malloc' is a builtin with type 'void *(unsigned long)'
      warning: implicit declaration of function 'check_path' is invalid in C99
        [-Wimplicit-function-declaration]
  Fixes:
      Removed redeclaration of malloc on line 21
      Included library <stdlib.h> in the code which contains the malloc( )
        function in it's library
      Included scaffold.h header file in the code that contains check-path( )
        function
contrib/tcp_wrappers/scaffold.c
  Warnings:
      warning: implicitly declaring library function 'exit' with type
        'void (int) __attribute__((noreturn))' [-Wimplicit-function-declaration]
      note: include the header <stdlib.h> or explicitly provide a declaration
        for 'exit'
  Fixes:
      Included <stdlib.h> in the code which contains the exit( ) function in
      it's library
contrib/tcp_wrappers/tcpdchk.c
  Warnings:
      warning: implicit declaration of function 'getopt' is invalid
        in C99 [-Wimplicit-function-declaration]
      warning: implicit declaration of function 'atoi' is invalid
        in C99 [-Wimplicit-function-declaration]
  Fixes:
      Included the specific function <getopt.h> library to the code
      Included<stdlib.h> to the code which contains the atoi( ) function in
        the library
contrib/tcp_wrappers/tcpdmatch.c
  Warnings:
      warning: implicit declaration of function 'getopt' is invalid in C99
        [-Wimplicit-function-declaration]
  Fixes:
      Included<stdlib.h> to the code which contains the getopt( ) function in
        the library

Submitted by:	Aaron Prieger <aprieger@llnw.com>
Reviewed by:	vangyzen
Sponsored by:	Limelight Networks
Differential Revision:	https://reviews.freebsd.org/D10995
2017-06-16 22:32:23 +00:00
cem
eceeea64cb tcp_wrappers: Sprinkle some bounds-checked string copying
It isn't clear if tcpd.c is even compiled in FreeBSD.

Reported by:	Coverity
CIDs:		1006710, 1006804
Sponsored by:	Dell EMC Isilon
2017-04-14 00:45:09 +00:00
dim
f4710006d6 After r311459, some ports can break, because a few of the newly added
prototypes in <tcpd.h> use FILE.  Pull in a minimal forward declaration
of FILE from <stdio.h> to minimize impact.  Sorry for the breakage.

Reported by:	Shawn Webb <shawn.webb@hardenedbsd.org>
X-MFC-With:	r311459
2017-01-06 21:40:30 +00:00
dim
9b17e47c8b Also remove unnecessary extern keywords from tcpd.h.
Noticed by:	kib
X-MFC-With:	r311459
2017-01-05 21:17:10 +00:00
dim
a171adba84 Put proper prototypes in tcpd.h
Clang 4.0.0 complains about tcpd.h's not-really-prototypes, e.g.:

    /usr/include/tcpd.h:75:24: error: this function declaration is not a prototype [-Werror,-Wstrict-prototypes]
    extern int hosts_access();              /* access control */
                           ^

To fix this, turn these declarations into real prototypes.  While here,
garbage collect the incompatible rfc931() function from scaffold.c, as
it is never used.

Reviewed by:	emaste
MFC after:	3 days
Differential Revision:	https://reviews.freebsd.org/D9052
2017-01-05 20:44:45 +00:00
pfg
42209922ff tcpd.h: add prototype for hosts_ctl
According the hosts_access(3) man page the hosts_ctl() prototype
should be in tcpd.h. For now, follow other declarations and don't
add the arguments in the prototype.

Reference:
https://www.illumos.org/issues/4385

PR:		32808
MFC after:	2 weeks
2014-10-11 18:54:37 +00:00
pfg
0a516f07e6 tcpd: complete function prototypes.
This clears up at least a build issues on mysql-server
ports. While here also replace some spaces with tabs
in our headers.

PR:		42336
MFC after:	2 weeks
2014-10-11 18:34:10 +00:00
sbruno
5a08a2da60 Queisce warning about undeclared function usage.
yp_get_default_domain is defined in workaround.c but is not declared
in any header file.  Tie the declaration to the same #define conditional
used when the function is called, NETGROUP
2013-10-30 22:45:35 +00:00
sbruno
ca2b647a8a Quiesce warning, which could be a bug IMO, by correctly defining the host_info
structure name
2013-10-30 22:43:40 +00:00
sbruno
a6adb4d71b Quiesce two warnings:
1.  define the CODE * as const
2.  restructure function to eliminate warning about exiting with no return.
    severity_map() never returns when it can't find an appropriate sysylog
    facility, and it longjmp()'s away into error code handling.  Keep this
    behavior by stashing the facility value found during our search and
    checking for -1 if found.
2013-10-30 22:41:18 +00:00
sbruno
8bc610b2ea Quiesce warnings by updating headerfile includes 2013-10-30 21:18:14 +00:00
eadler
0af88b7eae Clean up hardcoded ar(1) flags in the tree to use the global ARFLAGS in
share/mk/sys.mk instead.

This is part of a medium term project to permit deterministic builds of
FreeBSD.

Submitted by:	Erik Cederstrand <erik@cederstrand.dk>
Reviewed by:	imp, toolchain@
Approved by:	cperciva
MFC after:	2 weeks
2012-12-06 01:31:25 +00:00
rpaulo
19435b2958 Make these files compile with clang.
Submitted by:	Dimitry Andric <dimitry at andric.com>
2010-07-22 18:52:29 +00:00
sobomax
e083f90a62 Allow comment (#) to be placed anywhere in the line, not only at the
beginning, so it's consistent with other configuration files.

MFC after:	3 weeks
2010-01-08 10:54:15 +00:00
ume
e33ba03345 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
8470721e55 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
peter
ed1e3e5b4c Add a declaration that malloc() returns a pointer, not an int. Otherwise
this segfaults on ia64.  (Cannot cast an int to a pointer).
The rest of the code does it this way rather than use system includes....
2003-01-08 07:02:07 +00:00
kris
a465db1b2b This commit was generated by cvs2svn to compensate for changes in r80260,
which included commits to RCS files with non-trunk default branches.
2001-07-24 09:05:00 +00:00
kris
1c1c77e4e2 Import updated/clarified license for tcp_wrappers.
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that this entire copyright notice
+* is duplicated in all such copies.

Obtained from:	ftp://ftp.porcupine.org/pub/security/tcp_wrappers_license
2001-07-24 09:05:00 +00:00
kris
76f9847f71 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
dwmalone
89aa26ba0b Make tcpwrappers use the magic in syslog.h for getting syslog facility
and level names.

Add FreeBSD tag.

PR:		24218
Approved by:	markm
2001-01-14 23:00:59 +00:00
ume
6070b584b1 - 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
ume
7478417f78 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
ume
70f27cd4dd 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
dwmalone
65587821d3 Stop the tcp_wrappers ident code sending a request which is split
across several packets. This is done by not turning off buffering
on the stdio stream for the ident connection. Originally this was
done to avoid reading back what you'd just written into the buffer.
However ANSI C gives a list of functions which should allow you to
safely change direction on a stdio stream, and Wietse found that
fseek seemed to be the most portable.

The original patch used a different workaround, but this should be
a real fix.

PR:		16086
Reviewed by:	wietse@porcupine.org
(Original version) Approved by:	markm
2000-07-14 15:07:37 +00:00
shin
225d233deb 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
sheldonh
54fb6a7e44 Add the ``blacklist'' feature, which allows a path to a filename to
be used as a valid pattern in the access control language.

Patch obtained from ftp://ftp.porcupine.org/pub/security/ .

Requested by:	markm
1999-09-21 09:09:57 +00:00
ache
96eeae5a31 Since our inetd wrapped now, treat all its services as tcpd-prefixed
for tcpdchk
1999-04-03 04:02:29 +00:00
markm
06c148304a Clean import of TCP-wrappers by Wietse Venema.
Rest of build to follow.
1999-03-14 17:13:19 +00:00