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drop support for rsh/rlogin relaying. 

use of .rhosts authentication should be discouraged with relaying service.
sync w/kame
This commit is contained in:
itojun 2002-05-09 14:24:03 +00:00
parent 8db367d98c
commit fd53f7c428
6 changed files with 18 additions and 58 deletions
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4
usr.sbin/faithd/Makefile
View File

@ -1,7 +1,7 @@
# $NetBSD: Makefile,v 1.2 2001/02/15 17:58:55 itojun Exp $
# $NetBSD: Makefile,v 1.3 2002/05/09 14:24:03 itojun Exp $
PROG= faithd
SRCS= faithd.c tcp.c ftp.c rsh.c prefix.c
SRCS= faithd.c tcp.c ftp.c prefix.c
MAN= faithd.8
#CFLAGS+= -DFAITH4

4
usr.sbin/faithd/README
View File

@ -1,7 +1,7 @@
Configuring FAITH IPv6-to-IPv4 TCP relay
Kazu Yamamoto and Jun-ichiro itojun Hagino
$KAME: README,v 1.6 2000/07/06 13:43:33 itojun Exp $
$KAME: README,v 1.9 2002/05/09 14:10:06 itojun Exp $
Introduction
@ -73,8 +73,6 @@ The following example assumes:
More examples:
# faithd login /usr/libexec/rlogin rlogind
# faithd shell /usr/libexec/rshd rshd
# faithd ftpd /usr/libexec/ftpd ftpd -l
# faithd sshd

32
usr.sbin/faithd/faithd.8
View File

@ -1,5 +1,5 @@
.\" $NetBSD: faithd.8,v 1.17 2002/01/19 03:12:56 wiz Exp $
.\" $KAME: faithd.8,v 1.32 2001/08/02 02:37:20 itojun Exp $
.\" $NetBSD: faithd.8,v 1.18 2002/05/09 14:24:03 itojun Exp $
.\" $KAME: faithd.8,v 1.37 2002/05/09 14:21:23 itojun Exp $
.\"
.\" Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
.\" All rights reserved.
@ -168,8 +168,6 @@ Use privileged TCP port number as source port,
for IPv4 TCP connection toward final destination.
For relaying
.Xr ftp 1
and
.Xr rlogin 1 ,
this flag is not necessary as special program code is supplied.
.El
.Pp
@ -178,9 +176,7 @@ will relay both normal and out-of-band TCP data.
It is capable of emulating TCP half close as well.
.Nm
includes special support for protocols used by
.Xr ftp 1
and
.Xr rlogin 1 .
.Xr ftp 1 .
When translating FTP protocol,
.Nm
translates network level addresses in
@ -188,13 +184,6 @@ translates network level addresses in
and
.Li PASV/LPSV/EPSV
commands.
For RLOGIN protocol,
.Nm
will relay back connection from
.Xr rlogind 8
on the server to
.Xr rlogin 1
on client.
.Pp
Inactive sessions will be disconnected in 30 minutes,
to avoid stale sessions from chewing up resources.
@ -328,18 +317,11 @@ If you would like to pass extra arguments to the local daemon:
Here are some other examples.
You may need
.Fl p
to translate rsh/rlogin services.
if the service checks the source port range.
.Bd -literal -offset
# faithd ssh
# faithd login /usr/libexec/rlogin rlogind
# faithd shell /usr/libexec/rshd rshd
# faithd telnet /usr/libexec/telnetd telnetd
.Ed
.Pp
However, you should be careful when translating rlogin or rsh
connections.
See
.Sx SECURITY CONSIDERATIONS
for more details.
.Ss inetd mode samples
Add the following lines into
.Xr inetd.conf 5 .
@ -396,9 +378,7 @@ The
command first appeared in WIDE Hydrangea IPv6 protocol stack kit.
.\"
.Sh SECURITY CONSIDERATIONS
It is very insecure to use
.Xr rhosts 5
and other IP-address based authentication, for connections relayed by
It is very insecure to use IP-address based authentication, for connections relayed by
.Nm Ns ,
and any other TCP relaying services.
.Pp

27
usr.sbin/faithd/faithd.c
View File

@ -1,5 +1,5 @@
/* $NetBSD: faithd.c,v 1.24 2002/04/24 12:14:42 itojun Exp $ */
/* $KAME: faithd.c,v 1.47 2002/04/24 12:06:15 itojun Exp $ */
/* $NetBSD: faithd.c,v 1.25 2002/05/09 14:24:03 itojun Exp $ */
/* $KAME: faithd.c,v 1.50 2002/05/09 14:06:52 itojun Exp $ */
/*
* Copyright (C) 1997 and 1998 WIDE Project.
@ -568,18 +568,10 @@ play_child(int s_src, struct sockaddr *srcaddr)
else /* AF_INET */
hport = ntohs(((struct sockaddr_in *)&dstaddr4)->sin_port);
switch (hport) {
case RLOGIN_PORT:
case RSH_PORT:
if (pflag)
s_dst = rresvport_af(&nresvport, sa4->sa_family);
break;
default:
if (pflag)
s_dst = rresvport_af(&nresvport, sa4->sa_family);
else
s_dst = socket(sa4->sa_family, SOCK_STREAM, 0);
break;
}
else
s_dst = socket(sa4->sa_family, SOCK_STREAM, 0);
if (s_dst < 0) {
exit_failure("socket: %s", strerror(errno));
/*NOTREACHED*/
@ -620,15 +612,6 @@ play_child(int s_src, struct sockaddr *srcaddr)
case FTP_PORT:
ftp_relay(s_src, s_dst);
break;
case RSH_PORT:
syslog(LOG_WARNING,
"WARINNG: it is insecure to relay rsh port");
rsh_relay(s_src, s_dst);
break;
case RLOGIN_PORT:
syslog(LOG_WARNING,
"WARINNG: it is insecure to relay rlogin port");
/*FALLTHROUGH*/
default:
tcp_relay(s_src, s_dst, service);
break;

5
usr.sbin/faithd/faithd.h
View File

@ -1,4 +1,5 @@
/* $KAME: faithd.h,v 1.8 2001/09/05 03:04:21 itojun Exp $ */
/* $NetBSD: faithd.h,v 1.9 2002/05/09 14:24:03 itojun Exp $ */
/* $KAME: faithd.h,v 1.9 2002/05/09 09:41:24 itojun Exp $ */
/*
* Copyright (C) 1997 and 1998 WIDE Project.
@ -36,8 +37,6 @@ extern void tcp_relay __P((int, int, const char *));
extern void ftp_relay __P((int, int));
extern int ftp_active __P((int, int, int *, int *));
extern int ftp_passive __P((int, int, int *, int *));
extern void rsh_relay __P((int, int));
extern void rsh_dual_relay __P((int, int));
extern void exit_success __P((const char *, ...))
__attribute__((__format__(__printf__, 1, 2)));
extern void exit_failure __P((const char *, ...))

4
usr.sbin/faithd/prefix.h
View File

@ -1,5 +1,5 @@
/* $NetBSD: prefix.h,v 1.1 2001/02/15 17:58:55 itojun Exp $ */
/* $KAME: prefix.h,v 1.3 2000/11/19 11:45:38 itojun Exp $ */
/* $NetBSD: prefix.h,v 1.2 2002/05/09 14:24:03 itojun Exp $ */
/* $KAME: prefix.h,v 1.4 2001/09/05 03:04:21 itojun Exp $ */
/*
* Copyright (C) 2000 WIDE Project.