#!/bin/sh
# IRC - Internet Relay Chat, ircd/buildm4
# Copyright (C) 1993 Darren Reed
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 1, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

#
# If only this was a perl script...*sigh*
#
IRCDDIR=$1
M4=$IRCDDIR/ircd.m4
/bin/rm -f $M4
egrep "^#def[^P]*PATCHLEVEL" ../include/patchlevel.h | \
sed -e 's/[^\"]*\"\([^\"]*\)\"/define(VERSION,\1)/' >>$M4
DEBUG=`egrep "^#define[		]*DEBUGMODE" ../include/config.h`
if [ -n "$DEBUG" ] ; then
	echo "define(DEBUGMODE,1)" >>$M4
else
	echo "undefine(DEBUGMODE)" >>$M4
fi
echo -n "define(HOSTNAME," >> $M4
echo "`hostname`" | sed -e 's/\([a-zA-Z0-9\-]*\).*/\1)/' >> $M4
echo "define(USER,$USER)" >>$M4
echo -n 'define(PORT,' >>$M4
PORT=`egrep '^#define[ 	]*PORT[ 	]*[0-9]*' ../include/config.h`
echo "$PORT" | sed -e 's/[^0-9]*\([0-9]*\).*/\1)/' >> $M4
echo -n 'define(PFREQ,' >>$M4
PING=`egrep '^#define[ 	]*PINGFREQUENCY[ 	]*[0-9]*' ../include/config.h`
echo "$PING" | sed -e 's/[^0-9]*\([0-9]*\).*/\1)/' >> $M4
echo -n 'define(CFREQ,' >>$M4
CONT=`egrep '^#define[ 	]*CONNECTFREQUENCY[ 	]*[0-9]*' ../include/config.h`
echo "$CONT" | sed -e 's/[^0-9]*\([0-9]*\).*/\1)/' >> $M4
echo -n "define(MAXSENDQ," >>$M4
MAXQ=`egrep '^#define[ 	]*MAXSENDQLENGTH[ 	]*[0-9]*' ../include/config.h`
echo "$MAXQ" | sed -e 's/[^0-9]*\([0-9]*\).*/\1)/' >> $M4
echo -n "define(MAXLINKS," >>$M4
MAXL=`egrep '^#define[ 	]*MAXIMUM_LINKS[ 	]*[0-9]* | head -1' \
../include/config.h`
echo "$MAXL" | sed -e 's/[^0-9]*\([0-9]*\).*/\1)/' >> $M4
DOM=`egrep '^domain' /etc/resolv.conf | \
sed -e 's/^domain[ 	]*\([a-zA-Z\-\.0-9]*\).*/\1/'`
echo "define(DOMAIN,$DOM)" >> $M4

cat >>$M4 <<_EOF_
define(CL,\`ifelse(len(\$1),0,0,\$1)')
define(HOST,\$1)
define(HOSTM,\$1)
define(ID,*@\$1)
define(PASS,\$1)
define(PING,\`ifelse(len(\$1),0,PFREQ,\$1)')
define(APORT,\`ifelse(len(\$1),0,PORT,\$1)')
define(FREQ,\`ifelse(len(\$1),0,CFREQ,\$1)')
define(SENDQ,\`ifelse(len(\$1),0,MAXSENDQ,\$1)')
define(MAX,\`ifelse(len(\$1),0,MAXLINKS,\$1)')
define(CPORT,\$1)
define(SERV,\$1)
define(ADMIN,A:\$1:\$2:\$3:\$4:\$5)
define(ALLOW,N:\`HOST(\$1)':\`PASS(\$2)':\`SERV(\$3)':\`HOSTM(\$4)':\`CL(\$5)')
define(BAN,K:\$1:\$2:\$3)
define(CLASS,Y:\$1:\`PING(\$2)':\$3:\`MAX(\$4)':\`SENDQ(\$5)')
define(CLIENT,I:\`HOST(\$1)':\`PASS(\$2)':\`ifelse(len(HOST(\$3)),0,\$1,\$3)':\
\`APORT(\$4)':\`CL(\$5)')
define(CONNECT,C:\`HOST(\$1)':\`PASS(\$2)':\`SERV(\$3)':\
\`CPORT(\$4)':\`CL(\$5)')
define(ME,M:\$1:\$2:\$3:\$4:\$5)
define(HUB,H:\`ifelse(len(\$2),0,*,\$2)':*:\$1)
define(LEAF,L:\`ifelse(len(\$2),0,*,\$2)':*:\$1:1)
define(SERVER,\`
CONNECT(\$1,\$2,\$3,\$5,\$6)
ALLOW(\$1,\$2,\$3,\$4,\$6)
')
_EOF_