From owner-freebsd-stable  Thu Jun 15 10:15:24 2000
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From: "Chad R. Larson" <chad@DCFinc.com>
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Subject: Re: PPP bug!
In-Reply-To: <20000615135037.28516.qmail@web1401.mail.yahoo.com> from Greg Quinlan at "Jun 15, 0 06:50:37 am"
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Date: Thu, 15 Jun 2000 10:15:13 -0700 (MST)
Cc: FreeBSD-Stable@FreeBSD.ORG
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As I recall, Greg Quinlan wrote:
> I had a look at the code for pppd and it appears that
> a line in options.c program which I don't completely
> understand (~& does what? right-shift??) is to blame.

The code is "anding" in "not" mask.s_addr (that is, the one's
complement of the mask).

> if ((inet_aton(*argv, &mask)) == -1 || (netmask &
> ~mask.s_addr)) {
>         fprintf(stderr, "Invalid netmask %s\n",
> *argv);
>         return (0);
>     }


	-crl
--
Chad R. Larson (CRL15)   602-953-1392   Brother, can you paradigm?
chad@dcfinc.com         chad@larsons.org          larson1@home.net   
DCF, Inc. - 14623 North 49th Place, Scottsdale, Arizona 85254-2207


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