Date: Tue, 10 Aug 1999 06:20:04 -0700 (PDT) From: adrian@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: Re: bin/12091 Message-ID: <199908101320.GAA37214@freefall.freebsd.org>
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The following reply was made to PR bin/12091; it has been noted by GNATS.
From: adrian@freebsd.org
To: freebsd-gnats-submit@freebsd.org
Cc:
Subject: Re: bin/12091
Date: Tue, 10 Aug 1999 21:13:37 +0800
There's a couple things you can do: Either be nice and give them a warning,
or tell them they've messed up.
I've done the former, and the submitted patch does the following:
$ ./syslogd -a 1.1.1.1/24
Warning! IP '1.1.1.1' is not a valid network address to match
subnet '255.255.255.0'. Changing to '1.1.1.0'.
The logic is easy enough, from the code:
/*
* next, validate that the address is a valid network address
* with the given netmask. You do this by ANDing the address
* they've given us with the netmask, and if the result is the
* same, you're clear, otherwise, print a warning. The reason
* for this is that later on during the matching code, if someon
* puts in 1.2.3.4/24 in instead of 1.2.3.0/24, it'll never be
* matched (PR bin/12091)
*/
If anyone thinks this should change to give them an error, tell me.
Patch:
http://www.freebsd.org/~adrian/syslogd.diff
Adrian
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