#! /bin/sh
# dodelayed - handle delayed control messages, if they still exist
# =()<. ${NEWSCONFIG-@<NEWSCONFIG>@}>()=
. ${NEWSCONFIG-/usr/local/libexec/cnews/config}

PATH=$NEWSCTL/bin:$NEWSBIN/relay:$NEWSBIN:$NEWSPATH ; export PATH
umask $NEWSUMASK

lock LOCK $$ || exit 1
trap 'unlock LOCK ; trap 0 ; exit 0' 0 1 2 15

cd $NEWSARTS

# if there is nothing to do, don't try to do it
if test ! -s $NEWSCTL/delayed
then
	exit 0
fi

# first, which ones are due?
now="`now`"
awk 'BEGIN { now = '$now' }
	{
		if ($1 > now)
			print $1, $2
		else
			print "do", $2
	}' $NEWSCTL/delayed >/tmp/delayed$$

# second, which of those still exist?
sed -n '/^do /s///p' /tmp/delayed$$ | dbz -x $NEWSCTL/history |
	awk -F'	' 'NF == 3 { print $3 }' | tr . / |
	while read first rest
	do
		if test -r "$first"
		then
			echo "$first"
		fi
	done >/tmp/delaydo$$

# do them
if test -s /tmp/delaydo$$
then
	for f in `cat /tmp/delaydo$$`
	do
		canonhdr $f | 
			sed -n 's;^Control:[	 ]*;'$NEWSBIN/relay/del';p' |
			egrep -v '/^(cancel|ihave|sendme) ' >/tmp/ctl$$
		# It might seem as if we need to duplicate relaynews's
		# security checks -- for .. or metacharacters -- but a
		# control message never gets into NEWSCTL/delayed unless
		# relaynews approves of it.
		sh /tmp/ctl$$ <$f
	done
fi

# and clean up
egrep -v '^do' /tmp/delayed$$ >$NEWSCTL/delayed
rm -f /tmp/ctl$$ /tmp/delayed$$ /tmp/delaydo$$