Date: Mon, 23 Nov 1998 02:54:29 -0800 (PST) From: Joerg Wunsch <joerg@FreeBSD.ORG> To: cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG Subject: cvs commit: src/sbin/ipfw ipfw.8 ipfw.c Message-ID: <199811231054.CAA02522@freefall.freebsd.org>
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joerg 1998/11/23 02:54:29 PST
Modified files:
sbin/ipfw ipfw.8 ipfw.c
Log:
Preprocessor support for `ipfw [-q] ... file'.
This allows for more flexible ipfw configuration files using
`variables' to describe frequently used items in the file, like the
local IP address(es), interface names etc. Both m4 and cpp are useful
and supported; with m4 being a little more unusual to the common C
programmer, things like automatic rule numbering can be achieved
fairly easy.
While i was at it, i've also untangled some of the ugly style inside
main(), and fixed a bug or two (like not being able to use blank lines
when running with -q).
A typical call with preprocessor invocation looks like
ipfw -p m4 -Dhostname=$(hostname) /etc/fwrules
Someone should probably add support for this feature to /etc/rc.firewall.
Revision Changes Path
1.45 +32 -1 src/sbin/ipfw/ipfw.8
1.61 +113 -14 src/sbin/ipfw/ipfw.c
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