gifconfig, which configures gif IPv[46]-over-IPv[46] pseudo interface.
add gifconfig to SUBDIR.
This commit is contained in:
itojun
parent
125cb421d5
commit
618003328c
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@ -1,4 +1,4 @@
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# $NetBSD: Makefile,v 1.109 1999/06/30 06:49:28 augustss Exp $
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# $NetBSD: Makefile,v 1.110 1999/07/01 19:41:56 itojun Exp $
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# from: @(#)Makefile 5.20 (Berkeley) 6/12/93
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# XXX Temporary for NO_SENDMAIL and BUILD_POSTFIX
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@ -21,6 +21,9 @@ SUBDIR= ac accton amd apm apmd arp bad144 bind bootp catman \
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ypbind yppoll ypserv ypset \
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zdump zic
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# IPv6
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SUBDIR+=gifconfig
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.if !defined(NO_SENDMAIL)
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SUBDIR+= sendmail
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.endif
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@ -0,0 +1,7 @@
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# $NetBSD: Makefile,v 1.1 1999/07/01 19:41:57 itojun Exp $
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PROG= gifconfig
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CFLAGS+=-DINET6
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MAN= gifconfig.8
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.include <bsd.prog.mk>
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@ -0,0 +1,138 @@
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.\" Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. Neither the name of the project nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $Id: gifconfig.8,v 1.1 1999/07/01 19:41:58 itojun Exp $
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.\"
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.Dd May 17, 1998
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.Dt GIFCONFIG 8
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.Os KAME
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.\"
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.Sh NAME
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.Nm gifconfig
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.Nd configure generic IP tunnel
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.\"
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.Sh SYNOPSIS
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.Nm
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.Ar interface
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.Op Ar af
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.Op Ar physsrc physdest
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.Nm gifconfig
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.Fl a
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.\"
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.Sh DESCRIPTION
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.Nm
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configures the physical address for the generic IP tunnel
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inteface, such as "gif0".
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Argument
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.Ar physsrc
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and
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.Ar physdest
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are interpreted as the outer source/destination address for
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encapsulating IPv4/v6 header.
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Argument
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.Ar af
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specifies the address family for
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.Ar physsrc
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and
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.Ar physdest .
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.Ar Af
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can be
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.Li inet
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or
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.Li inet6 ,
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and will be treated as
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.Li inet
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if ommitted.
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.Pp
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.Nm
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takes the following optional argument:
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.Bl -tag -width Ds
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.It Fl a
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Display information associated all generic IP tunnel interfaces.
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.El
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.Pp
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Please note that it is very easy to create infinite routing loop,
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when you configure tunnel over same address family
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.Po
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e.g. IPv4-over-IPv4
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.Pc .
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.\"
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.Sh EXAMPLES
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If you would like to configure IPv6 over IPv4(aka IPv6 in IPv4)
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tunnel between
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.Li 10.1.1.1
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and
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.Li 10.2.3.4 ,
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you should perform the following command:
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.Bd -literal -offset
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# gifconfig gif0 inet 10.1.1.1 10.2.3.4
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.Ed
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.Pp
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To use the
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.Li 0.0.0.0
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feature to establish a tunnel from host1 to host3
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which will encapsulate and carry packets from host2, on host1 do:
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.Bd -literal -offset
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# ifconfig gif0 inet host1 127.0.0.2 # assign an address to gif0
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# gifconfig gif0 inet host1 0.0.0.0 # assign encapsulation addresses
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# route add host2 host3 -ifp gif0: # encap host2 packets, send to host3
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.Ed
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.Pp
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Note: the
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.Fl ifp
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option to route does not work as documented in
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most versions of FreeBSD.
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.Pp
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On host3 do:
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.Bd -literal -offset
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# ifconfig gif0 inet host3 127.0.0.2 # assign an address to gif0
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# gifconfig gif0 inet host3 0.0.0.0 # assign encapsulation addresses
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.Ed
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.Pp
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Now if you ping host2 from host1, the packets should be encapsulated
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with outer source address = host1 and outer destination address = host3,
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and delivered to host3.
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host3 will decapsulate the packet and deliver it normally to host2.
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.Pp
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This is also possible with IPv6 outer proto, by replacing
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.Li inet
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to
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.Li inet6 ,
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and IPv4 addresses to some appropriate IPv6 addresses in above example.
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.\"
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.Sh RETURN VALUES
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The command exits with exit status of 1 on errors, 0 on success.
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.\"
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.Sh SEE ALSO
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.Xr gif 4 ,
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.Xr ifconfig 8
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.Sh HISTORY
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The
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.Nm
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command first appeared in WIDE Hydrangea IPv6 protocol stack kit.
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.\" .Sh BUGS
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.\" (to be written)
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@ -0,0 +1,831 @@
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/*
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* Copyright (c) 1983, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* gifconfig, derived from ifconfig
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*
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* @(#) Copyright (c) 1983, 1993\n\
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* The Regents of the University of California. All rights reserved.\n
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*
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* @(#)ifconfig.c 8.2 (Berkeley) 2/16/94
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*/
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/*
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* 951109 - Andrew@pubnix.net - Changed to iterative buffer growing mechanism
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* for ifconfig -a so all interfaces are queried.
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*
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* 960101 - peter@freebsd.org - Blow away the SIOCGIFCONF code and use
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* sysctl() to get the structured interface conf
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* and parse the messages in there. REALLY UGLY!
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*/
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#include <sys/param.h>
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <sys/sysctl.h>
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#include <net/if.h>
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#if defined(__FreeBSD__) && __FreeBSD__ >= 3
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#include <net/if_var.h>
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#endif /* __FreeBSD__ >= 3 */
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#include <net/if_dl.h>
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#include <net/if_types.h>
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#include <net/route.h>
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#include <netinet/in.h>
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#include <netinet/in_var.h>
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#include <arpa/inet.h>
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#include <netdb.h>
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#include <sys/protosw.h>
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#include <ctype.h>
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#include <err.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <nlist.h>
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#include <kvm.h>
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#include <fcntl.h>
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struct ifreq ifr;
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struct ifaliasreq addreq;
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#ifdef INET6
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struct in6_ifreq in6_ifr;
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struct in6_aliasreq in6_addreq;
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#endif
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char name[32];
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int flags;
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int metric;
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int mtu;
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int setpsrc = 0;
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int s;
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kvm_t *kvmd;
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extern int errno;
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#ifdef INET6
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char ntop_buf[INET6_ADDRSTRLEN]; /*inet_ntop()*/
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#endif
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void setifpsrc __P((char *, int));
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void setifpdst __P((char *, int));
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void setifflags __P((char *, int));
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#define NEXTARG 0xffffff
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struct cmd {
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char *c_name;
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int c_parameter; /* NEXTARG means next argv */
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void (*c_func) __P((char *, int));
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} cmds[] = {
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{ "up", IFF_UP, setifflags } ,
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{ "down", -IFF_UP, setifflags },
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{ 0, 0, setifpsrc },
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{ 0, 0, setifpdst },
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};
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/*
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* XNS support liberally adapted from code written at the University of
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* Maryland principally by James O'Toole and Chris Torek.
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*/
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int main __P((int, char *[]));
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void status __P((void));
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void phys_status __P((int));
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void in_status __P((int));
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#ifdef INET6
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void in6_status __P((int));
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#endif
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void ether_status __P((int));
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void Perror __P((char *));
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void in_getaddr __P((char *, int));
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#ifdef INET6
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void in6_getaddr __P((char *, int));
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void in6_getprefix __P((char *, int));
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#endif
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void printb __P((char *, unsigned int, char *));
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int prefix __P((void *, int));
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char ntop_buf[INET6_ADDRSTRLEN];
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/* Known address families */
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struct afswtch {
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char *af_name;
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short af_af;
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void (*af_status) __P((int));
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void (*af_getaddr) __P((char *, int));
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void (*af_getprefix) __P((char *, int));
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int af_pifaddr;
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caddr_t af_addreq;
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caddr_t af_req;
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} afs[] = {
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#define C(x) ((caddr_t) &x)
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{ "inet", AF_INET, in_status, in_getaddr, 0,
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SIOCSIFPHYADDR, C(addreq), C(ifr) },
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#ifdef INET6
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{ "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix,
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SIOCSIFPHYADDR_IN6, C(in6_addreq), C(in6_ifr) },
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#endif
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{ "ether", AF_INET, ether_status, NULL, NULL }, /* XXX not real!! */
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{ 0, 0, 0, 0, 0 }
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};
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struct afswtch *afp = NULL; /*the address family being set or asked about*/
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void rt_xaddrs __P((caddr_t, caddr_t, struct rt_addrinfo *));
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int ifconfig __P((int argc, char *argv[], int af, struct afswtch *rafp));
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/*
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* Expand the compacted form of addresses as returned via the
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* configuration read via sysctl().
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*/
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#define ROUNDUP(a) \
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((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long))
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#define ADVANCE(x, n) (x += ROUNDUP((n)->sa_len))
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void
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rt_xaddrs(cp, cplim, rtinfo)
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caddr_t cp, cplim;
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struct rt_addrinfo *rtinfo;
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{
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struct sockaddr *sa;
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int i;
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memset(rtinfo->rti_info, 0, sizeof(rtinfo->rti_info));
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for (i = 0; (i < RTAX_MAX) && (cp < cplim); i++) {
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if ((rtinfo->rti_addrs & (1 << i)) == 0)
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continue;
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rtinfo->rti_info[i] = sa = (struct sockaddr *)cp;
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ADVANCE(cp, sa);
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}
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}
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/*
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* Grunge for new-style sysctl() decoding.. :-(
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* Apologies to the world for committing gross things like this in 1996..
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*/
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struct if_msghdr *ifm;
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struct ifa_msghdr *ifam;
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struct sockaddr_dl *sdl;
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struct rt_addrinfo info;
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char *buf, *lim, *next;
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int
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main(argc, argv)
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int argc;
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char *argv[];
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{
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int af = AF_INET;
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struct afswtch *rafp = NULL;
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size_t needed;
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int mib[6];
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int all;
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if (argc < 2) {
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fprintf(stderr, "usage: gifconfig interface %s",
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"[ af ] physsrc physdst\n");
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exit(1);
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}
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argc--, argv++;
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strncpy(name, *argv, sizeof(name));
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strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
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argc--, argv++;
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if (argc > 0) {
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for (afp = rafp = afs; rafp->af_name; rafp++)
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if (strcmp(rafp->af_name, *argv) == 0) {
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afp = rafp; argc--; argv++;
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break;
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}
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rafp = afp;
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af = ifr.ifr_addr.sa_family = rafp->af_af;
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}
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mib[0] = CTL_NET;
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mib[1] = PF_ROUTE;
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mib[2] = 0;
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mib[3] = 0; /* address family */
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mib[4] = NET_RT_IFLIST;
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mib[5] = 0;
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/* if particular family specified, only ask about it */
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if (afp) {
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mib[3] = afp->af_af;
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}
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if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0)
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errx(1, "iflist-sysctl-estimate");
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if ((buf = malloc(needed)) == NULL)
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errx(1, "malloc");
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if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0)
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errx(1, "actual retrieval of interface table");
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lim = buf + needed;
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all = 0;
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if (strcmp(name, "-a") == 0)
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all = 1; /* All interfaces */
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else if (strcmp(name, "-au") == 0)
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all = 2; /* All IFF_UPinterfaces */
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else if (strcmp(name, "-ad") == 0)
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all = 3; /* All !IFF_UP interfaces */
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for (next = buf; next < lim; next += ifm->ifm_msglen) {
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ifm = (struct if_msghdr *)next;
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/* XXX: Swallow up leftover NEWADDR messages */
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if (ifm->ifm_type == RTM_NEWADDR)
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continue;
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if (ifm->ifm_type == RTM_IFINFO) {
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sdl = (struct sockaddr_dl *)(ifm + 1);
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flags = ifm->ifm_flags;
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} else {
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errx(1, "out of sync parsing NET_RT_IFLIST");
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}
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switch(all) {
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case -1:
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case 0:
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if (strlen(name) != sdl->sdl_nlen)
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continue; /* not same len */
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if (strncmp(name, sdl->sdl_data, sdl->sdl_nlen) != 0)
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continue; /* not same name */
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break;
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case 1:
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break; /* always do it */
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case 2:
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if ((flags & IFF_UP) == 0)
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continue; /* not up */
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break;
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case 3:
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if (flags & IFF_UP)
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continue; /* not down */
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break;
|
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}
|
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||||
/*
|
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* Let's just do it for gif only
|
||||
*/
|
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if (sdl->sdl_type != IFT_GIF) {
|
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if (all != 0)
|
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continue;
|
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|
||||
fprintf(stderr, "gifconfig: %s is not gif.\n",
|
||||
ifr.ifr_name);
|
||||
exit(1);
|
||||
}
|
||||
|
||||
if (all > 0) {
|
||||
strncpy(name, sdl->sdl_data, sdl->sdl_nlen);
|
||||
name[sdl->sdl_nlen] = '\0';
|
||||
}
|
||||
|
||||
if ((s = socket(af, SOCK_DGRAM, 0)) < 0) {
|
||||
perror("gifconfig: socket");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
ifconfig(argc,argv,af,rafp);
|
||||
|
||||
close(s);
|
||||
|
||||
if (all == 0) {
|
||||
all = -1; /* flag it as 'done' */
|
||||
break;
|
||||
}
|
||||
}
|
||||
free(buf);
|
||||
|
||||
if (all == 0)
|
||||
errx(1, "interface %s does not exist", name);
|
||||
|
||||
|
||||
exit (0);
|
||||
}
|
||||
|
||||
|
||||
int
|
||||
ifconfig(argc, argv, af, rafp)
|
||||
int argc;
|
||||
char *argv[];
|
||||
int af;
|
||||
struct afswtch *rafp;
|
||||
{
|
||||
|
||||
af = 0; /*fool gcc*/
|
||||
|
||||
strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
|
||||
#ifdef INET6
|
||||
strncpy(in6_ifr.ifr_name, name, sizeof in6_ifr.ifr_name);
|
||||
#endif /* INET6 */
|
||||
|
||||
if (ioctl(s, SIOCGIFMETRIC, (caddr_t)&ifr) < 0)
|
||||
perror("ioctl (SIOCGIFMETRIC)");
|
||||
else
|
||||
metric = ifr.ifr_metric;
|
||||
|
||||
#ifdef SIOCGIFMTU
|
||||
if (ioctl(s, SIOCGIFMTU, (caddr_t)&ifr) < 0)
|
||||
perror("ioctl (SIOCGIFMTU)");
|
||||
else
|
||||
mtu = ifr.ifr_mtu;
|
||||
#else
|
||||
mtu = 0;
|
||||
#endif
|
||||
|
||||
if (argc == 0) {
|
||||
status();
|
||||
return(0);
|
||||
}
|
||||
|
||||
while (argc > 0) {
|
||||
register struct cmd *p;
|
||||
|
||||
for (p = cmds; p->c_name; p++)
|
||||
if (strcmp(*argv, p->c_name) == 0)
|
||||
break;
|
||||
if (p->c_name == 0 && setpsrc)
|
||||
p++; /* got src, do dst */
|
||||
if (p->c_func) {
|
||||
if (p->c_parameter == NEXTARG) {
|
||||
if (argv[1] == NULL)
|
||||
errx(1, "'%s' requires argument",
|
||||
p->c_name);
|
||||
(*p->c_func)(argv[1], 0);
|
||||
argc--, argv++;
|
||||
} else
|
||||
(*p->c_func)(*argv, p->c_parameter);
|
||||
}
|
||||
argc--, argv++;
|
||||
}
|
||||
if (1 /*newaddr*/) {
|
||||
strncpy(rafp->af_addreq, name, sizeof ifr.ifr_name);
|
||||
if (ioctl(s, rafp->af_pifaddr, rafp->af_addreq) < 0)
|
||||
Perror("ioctl (SIOCSIFPHYADDR)");
|
||||
}
|
||||
return(0);
|
||||
}
|
||||
#define PSRC 0
|
||||
#define PDST 1
|
||||
|
||||
/*ARGSUSED*/
|
||||
void
|
||||
setifpsrc(addr, param)
|
||||
char *addr;
|
||||
int param;
|
||||
{
|
||||
param = 0; /*fool gcc*/
|
||||
(*afp->af_getaddr)(addr, PSRC);
|
||||
setpsrc = 1;
|
||||
}
|
||||
|
||||
/*ARGSUSED*/
|
||||
void
|
||||
setifpdst(addr, param)
|
||||
char *addr;
|
||||
int param;
|
||||
{
|
||||
param = 0; /*fool gcc*/
|
||||
(*afp->af_getaddr)(addr, PDST);
|
||||
}
|
||||
|
||||
void
|
||||
setifflags(vname, value)
|
||||
char *vname;
|
||||
int value;
|
||||
{
|
||||
if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifr) < 0) {
|
||||
Perror("ioctl (SIOCGIFFLAGS)");
|
||||
exit(1);
|
||||
}
|
||||
strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name));
|
||||
flags = ifr.ifr_flags;
|
||||
|
||||
if (value < 0) {
|
||||
value = -value;
|
||||
flags &= ~value;
|
||||
} else
|
||||
flags |= value;
|
||||
ifr.ifr_flags = flags;
|
||||
if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifr) < 0)
|
||||
Perror(vname);
|
||||
}
|
||||
|
||||
#define IFFBITS \
|
||||
"\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\
|
||||
\11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST"
|
||||
|
||||
/*
|
||||
* Print the status of the interface. If an address family was
|
||||
* specified, show it and it only; otherwise, show them all.
|
||||
*/
|
||||
void
|
||||
status()
|
||||
{
|
||||
struct afswtch *p = NULL;
|
||||
char *mynext;
|
||||
struct if_msghdr *myifm;
|
||||
|
||||
printf("%s: ", name);
|
||||
printb("flags", flags, IFFBITS);
|
||||
if (metric)
|
||||
printf(" metric %d", metric);
|
||||
if (mtu)
|
||||
printf(" mtu %d", mtu);
|
||||
putchar('\n');
|
||||
|
||||
/*
|
||||
* XXX: Sigh. This is bad, I know. At this point, we may have
|
||||
* *zero* RTM_NEWADDR's, so we have to "feel the water" before
|
||||
* incrementing the loop. One day, I might feel inspired enough
|
||||
* to get the top level loop to pass a count down here so we
|
||||
* dont have to mess with this. -Peter
|
||||
*/
|
||||
myifm = ifm;
|
||||
|
||||
while (1) {
|
||||
|
||||
mynext = next + ifm->ifm_msglen;
|
||||
|
||||
if (mynext >= lim)
|
||||
break;
|
||||
|
||||
myifm = (struct if_msghdr *)mynext;
|
||||
|
||||
if (myifm->ifm_type != RTM_NEWADDR)
|
||||
break;
|
||||
|
||||
next = mynext;
|
||||
|
||||
ifm = (struct if_msghdr *)next;
|
||||
|
||||
ifam = (struct ifa_msghdr *)myifm;
|
||||
info.rti_addrs = ifam->ifam_addrs;
|
||||
|
||||
/* Expand the compacted addresses */
|
||||
rt_xaddrs((char *)(ifam + 1), ifam->ifam_msglen + (char *)ifam,
|
||||
&info);
|
||||
|
||||
if (afp) {
|
||||
if (afp->af_af == info.rti_info[RTAX_IFA]->sa_family &&
|
||||
afp->af_status != ether_status) {
|
||||
p = afp;
|
||||
if (p->af_status != ether_status)
|
||||
(*p->af_status)(1);
|
||||
}
|
||||
} else for (p = afs; p->af_name; p++) {
|
||||
if (p->af_af == info.rti_info[RTAX_IFA]->sa_family &&
|
||||
p->af_status != ether_status)
|
||||
(*p->af_status)(0);
|
||||
}
|
||||
}
|
||||
if (afp == NULL || afp->af_status == ether_status)
|
||||
ether_status(0);
|
||||
else if (afp && !p) {
|
||||
warnx("%s has no %s IFA address!", name, afp->af_name);
|
||||
}
|
||||
|
||||
phys_status(0);
|
||||
}
|
||||
|
||||
void
|
||||
phys_status(force)
|
||||
int force;
|
||||
{
|
||||
char psrcaddr[256];
|
||||
char pdstaddr[256];
|
||||
char hostname[NI_MAXHOST];
|
||||
int srccmd, dstcmd, flags = NI_NUMERICHOST;
|
||||
struct ifreq *ifrp;
|
||||
char *ver = "";
|
||||
|
||||
force = 0; /*fool gcc*/
|
||||
|
||||
psrcaddr[0] = pdstaddr[0] = '\0';
|
||||
|
||||
#ifdef INET6
|
||||
srccmd = SIOCGIFPSRCADDR_IN6;
|
||||
dstcmd = SIOCGIFPDSTADDR_IN6;
|
||||
ifrp = (struct ifreq *)&in6_ifr;
|
||||
#else /* INET6 */
|
||||
ifrp = ifr;
|
||||
srccmd = SIOCGIFPSRCADDR;
|
||||
dstcmd = SIOCGIFPDSTADDR;
|
||||
#endif /* INET6 */
|
||||
|
||||
if (0 <= ioctl(s, srccmd, (caddr_t)ifrp)) {
|
||||
getnameinfo(&ifrp->ifr_addr, ifrp->ifr_addr.sa_len,
|
||||
hostname, NI_MAXHOST, 0, 0, flags);
|
||||
#ifdef INET6
|
||||
if (ifrp->ifr_addr.sa_family == AF_INET6)
|
||||
ver = "6";
|
||||
#endif /* INET6 */
|
||||
sprintf(psrcaddr, "inet%s %s", ver, hostname);
|
||||
}
|
||||
if (0 <= ioctl(s, dstcmd, (caddr_t)ifrp)) {
|
||||
getnameinfo(&ifrp->ifr_addr, ifrp->ifr_addr.sa_len,
|
||||
hostname, NI_MAXHOST, 0, 0, flags);
|
||||
sprintf(pdstaddr, "%s", hostname);
|
||||
}
|
||||
printf("\tphysical address %s --> %s\n", psrcaddr, pdstaddr);
|
||||
}
|
||||
|
||||
void
|
||||
in_status(force)
|
||||
int force;
|
||||
{
|
||||
struct sockaddr_in *sin, null_sin;
|
||||
#if 0
|
||||
char *inet_ntoa();
|
||||
#endif
|
||||
|
||||
memset(&null_sin, 0, sizeof(null_sin));
|
||||
|
||||
sin = (struct sockaddr_in *)info.rti_info[RTAX_IFA];
|
||||
if (!sin || sin->sin_family != AF_INET) {
|
||||
if (!force)
|
||||
return;
|
||||
/* warnx("%s has no AF_INET IFA address!", name); */
|
||||
sin = &null_sin;
|
||||
}
|
||||
printf("\tinet %s ", inet_ntoa(sin->sin_addr));
|
||||
|
||||
if (flags & IFF_POINTOPOINT) {
|
||||
/* note RTAX_BRD overlap with IFF_BROADCAST */
|
||||
sin = (struct sockaddr_in *)info.rti_info[RTAX_BRD];
|
||||
if (!sin)
|
||||
sin = &null_sin;
|
||||
printf("--> %s ", inet_ntoa(sin->sin_addr));
|
||||
}
|
||||
|
||||
sin = (struct sockaddr_in *)info.rti_info[RTAX_NETMASK];
|
||||
if (!sin)
|
||||
sin = &null_sin;
|
||||
printf("netmask 0x%x ", ntohl(sin->sin_addr.s_addr));
|
||||
|
||||
if (flags & IFF_BROADCAST) {
|
||||
/* note RTAX_BRD overlap with IFF_POINTOPOINT */
|
||||
sin = (struct sockaddr_in *)info.rti_info[RTAX_BRD];
|
||||
if (sin && sin->sin_addr.s_addr != 0)
|
||||
printf("broadcast %s", inet_ntoa(sin->sin_addr));
|
||||
}
|
||||
putchar('\n');
|
||||
}
|
||||
|
||||
#ifdef INET6
|
||||
void
|
||||
in6_status(force)
|
||||
int force;
|
||||
{
|
||||
struct sockaddr_in6 *sin, null_sin;
|
||||
#if 0
|
||||
char *inet_ntop();
|
||||
#endif
|
||||
|
||||
|
||||
memset(&null_sin, 0, sizeof(null_sin));
|
||||
|
||||
sin = (struct sockaddr_in6 *)info.rti_info[RTAX_IFA];
|
||||
if (!sin || sin->sin6_family != AF_INET6) {
|
||||
if (!force)
|
||||
return;
|
||||
/* warnx("%s has no AF_INET6 IFA address!", name); */
|
||||
sin = &null_sin;
|
||||
}
|
||||
printf("\tinet6 %s ", inet_ntop(AF_INET6, &sin->sin6_addr,
|
||||
ntop_buf, sizeof(ntop_buf)));
|
||||
|
||||
if (flags & IFF_POINTOPOINT) {
|
||||
/* note RTAX_BRD overlap with IFF_BROADCAST */
|
||||
sin = (struct sockaddr_in6 *)info.rti_info[RTAX_BRD];
|
||||
/*
|
||||
* some of ther interfaces do not have valid destination
|
||||
* address.
|
||||
*/
|
||||
if (sin->sin6_family == AF_INET6) {
|
||||
if (!sin)
|
||||
sin = &null_sin;
|
||||
printf("--> %s ", inet_ntop(AF_INET6, &sin->sin6_addr,
|
||||
ntop_buf, sizeof(ntop_buf)));
|
||||
}
|
||||
}
|
||||
|
||||
sin = (struct sockaddr_in6 *)info.rti_info[RTAX_NETMASK];
|
||||
if (!sin)
|
||||
sin = &null_sin;
|
||||
printf(" prefixlen %d ", prefix(&sin->sin6_addr,
|
||||
sizeof(struct in6_addr)));
|
||||
|
||||
putchar('\n');
|
||||
}
|
||||
#endif /*INET6*/
|
||||
|
||||
/*ARGSUSED*/
|
||||
void
|
||||
ether_status(dummy)
|
||||
int dummy;
|
||||
{
|
||||
char *cp;
|
||||
int n;
|
||||
|
||||
dummy = 0; /*fool gcc*/
|
||||
|
||||
cp = (char *)LLADDR(sdl);
|
||||
if ((n = sdl->sdl_alen) > 0) {
|
||||
if (sdl->sdl_type == IFT_ETHER)
|
||||
printf ("\tether ");
|
||||
else
|
||||
printf ("\tlladdr ");
|
||||
while (--n >= 0)
|
||||
printf("%02x%c",*cp++ & 0xff, n>0? ':' : ' ');
|
||||
putchar('\n');
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
Perror(cmd)
|
||||
char *cmd;
|
||||
{
|
||||
extern int errno;
|
||||
|
||||
switch (errno) {
|
||||
|
||||
case ENXIO:
|
||||
errx(1, "%s: no such interface", cmd);
|
||||
break;
|
||||
|
||||
case EPERM:
|
||||
errx(1, "%s: permission denied", cmd);
|
||||
break;
|
||||
|
||||
default:
|
||||
err(1, "%s", cmd);
|
||||
}
|
||||
}
|
||||
|
||||
#define SIN(x) ((struct sockaddr_in *) &(x))
|
||||
struct sockaddr_in *sintab[] = {
|
||||
SIN(addreq.ifra_addr), SIN(addreq.ifra_dstaddr)};
|
||||
|
||||
void
|
||||
in_getaddr(s, which)
|
||||
char *s;
|
||||
int which;
|
||||
{
|
||||
register struct sockaddr_in *sin = sintab[which];
|
||||
struct hostent *hp;
|
||||
struct netent *np;
|
||||
|
||||
sin->sin_len = sizeof(*sin);
|
||||
sin->sin_family = AF_INET;
|
||||
|
||||
if (inet_aton(s, &sin->sin_addr))
|
||||
;
|
||||
else if ((hp = gethostbyname(s)) != NULL)
|
||||
bcopy(hp->h_addr, (char *)&sin->sin_addr, hp->h_length);
|
||||
else if ((np = getnetbyname(s)) != NULL)
|
||||
sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY);
|
||||
else
|
||||
errx(1, "%s: bad value", s);
|
||||
}
|
||||
|
||||
#ifdef INET6
|
||||
#define SIN6(x) ((struct sockaddr_in6 *) &(x))
|
||||
struct sockaddr_in6 *sin6tab[] = {
|
||||
SIN6(in6_addreq.ifra_addr), SIN6(in6_addreq.ifra_dstaddr)};
|
||||
|
||||
void
|
||||
in6_getaddr(s, which)
|
||||
char *s;
|
||||
int which;
|
||||
{
|
||||
register struct sockaddr_in6 *sin = sin6tab[which];
|
||||
|
||||
sin->sin6_len = sizeof(*sin);
|
||||
sin->sin6_family = AF_INET6;
|
||||
|
||||
if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1)
|
||||
errx(1, "%s: bad value", s);
|
||||
}
|
||||
|
||||
void
|
||||
in6_getprefix(plen, which)
|
||||
char *plen;
|
||||
int which;
|
||||
{
|
||||
register struct sockaddr_in6 *sin = sin6tab[which];
|
||||
register u_char *cp;
|
||||
int len = atoi(plen);
|
||||
|
||||
if ((len < 0) || (len > 128))
|
||||
errx(1, "%s: bad value", plen);
|
||||
sin->sin6_len = sizeof(*sin);
|
||||
sin->sin6_family = AF_INET6;
|
||||
if ((len == 0) || (len == 128)) {
|
||||
memset(&sin->sin6_addr, -1, sizeof(struct in6_addr));
|
||||
return;
|
||||
}
|
||||
for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8)
|
||||
*cp++ = -1;
|
||||
*cp = (-1) << (8 - len);
|
||||
}
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Print a value a la the %b format of the kernel's printf
|
||||
*/
|
||||
void
|
||||
printb(s, v, bits)
|
||||
char *s;
|
||||
register unsigned int v;
|
||||
register char *bits;
|
||||
{
|
||||
register int i, any = 0;
|
||||
register char c;
|
||||
|
||||
if (bits && *bits == 8)
|
||||
printf("%s=%o", s, v & 0xffff);
|
||||
else
|
||||
printf("%s=%x", s, v & 0xffff);
|
||||
bits++;
|
||||
if (bits) {
|
||||
putchar('<');
|
||||
while ((i = *bits++) != 0) {
|
||||
if ((v & (1 << (i-1))) != 0) {
|
||||
if (any)
|
||||
putchar(',');
|
||||
any = 1;
|
||||
for (; (c = *bits) > 32; bits++)
|
||||
putchar(c);
|
||||
} else
|
||||
for (; *bits > 32; bits++)
|
||||
;
|
||||
}
|
||||
putchar('>');
|
||||
}
|
||||
}
|
||||
|
||||
#ifdef INET6
|
||||
int
|
||||
prefix(val, size)
|
||||
void *val;
|
||||
int size;
|
||||
{
|
||||
register u_char *name = (u_char *)val;
|
||||
register int byte, bit, plen = 0;
|
||||
|
||||
for (byte = 0; byte < size; byte++, plen += 8)
|
||||
if (name[byte] != 0xff)
|
||||
break;
|
||||
if (byte == size)
|
||||
return (plen);
|
||||
for (bit = 7; bit != 0; bit--, plen++)
|
||||
if (!(name[byte] & (1 << bit)))
|
||||
break;
|
||||
for (; bit != 0; bit--)
|
||||
if (name[byte] & (1 << bit))
|
||||
return(0);
|
||||
byte++;
|
||||
for (; byte < size; byte++)
|
||||
if (name[byte])
|
||||
return(0);
|
||||
return (plen);
|
||||
}
|
||||
#endif /*INET6*/
|
||||
Loading…
Reference in New Issue