Add the -p switch - tells rwhod to ignore POINTOPOINT interfaces.
Mostly submitted by: Stefan Zehl <sec@42.org> PR: 12216
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=47963
@ -40,6 +40,7 @@
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.Sh SYNOPSIS
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.Nm rwhod
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.Op Fl i
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.Op Fl p
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.Op Fl l
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.Op Fl m Op Ar ttl
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.Sh DESCRIPTION
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@ -76,6 +77,15 @@ option enables insecure mode, which causes
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to ignore the source port on incoming packets.
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.Pp
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The
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.Fl p
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option tells
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.Nm
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to ignore all
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.Dv POINTOPOINT
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interfaces. This is useful if you do not wish to keep dial on demand
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interfaces permanently active.
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.Pp
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The
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.Fl l
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option enables listen mode, which causes
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.Nm
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@ -42,7 +42,7 @@ static const char copyright[] =
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static char sccsid[] = "@(#)rwhod.c 8.1 (Berkeley) 6/6/93";
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#endif
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static const char rcsid[] =
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"$Id: rwhod.c,v 1.8 1998/12/17 11:05:57 des Exp $";
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"$Id: rwhod.c,v 1.9 1999/01/11 05:27:37 steve Exp $";
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#endif /* not lint */
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#include <sys/param.h>
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@ -117,6 +117,7 @@ static const char rcsid[] =
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int insecure_mode;
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int quiet_mode;
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int iff_flag = IFF_POINTOPOINT;
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int multicast_mode = NO_MULTICAST;
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int multicast_scope;
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struct sockaddr_in multicast_addr = { sizeof multicast_addr, AF_INET };
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@ -200,6 +201,8 @@ main(argc, argv)
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insecure_mode = 1;
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else if (strcmp(*argv, "-l") == 0)
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quiet_mode = 1;
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else if (strcmp(*argv, "-p") == 0)
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iff_flag = 0;
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else
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usage();
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argv++, argc--;
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@ -604,7 +607,7 @@ configure(s)
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if ((flags & IFF_UP) == 0 ||
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(flags & (((multicast_mode == PER_INTERFACE_MULTICAST) ?
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IFF_MULTICAST : 0) |
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IFF_BROADCAST|IFF_POINTOPOINT)) == 0)
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IFF_BROADCAST|iff_flag)) == 0)
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continue;
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if (ifm->ifm_type != RTM_NEWADDR)
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quit("out of sync parsing NET_RT_IFLIST");
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