shithub: rc-nntpd

ref: 4138bf3cc011ad73282550d2f3afa78d91131199
dir: /select-handler/

#!/bin/rc

rfork

skel=$rc_nntpd_dir^/skel

bind /bin $skel^/bin
bind /rc $skel^/rc
bind -c '#e' $skel^/env
bind -c '#c' $skel^/dev
bind -c /nntp/storage $skel^/storage

# Connection state directory
rc_nntpd_statedir=/nntp/tmp

# ramfs -m $rc_nntp_statedir
# if (! test -r '#s'/nntp.ramfs)
# 	ramfs -s nntp.ramfs -m $rc_nntpd_statedir
# if not
# 	mount '#s'/nntp.ramfs $rc_nntp_statedir

bind -c $rc_nntpd_statedir $skel^/tmp

cat /adm/timezone/local >$skel^/env/timezone

bind $skel /
news=/storage

# bootstrapping
cr=
. log.rc

connid=`{cat /dev/random | tr -dc '0-9a-zA-Z' | read -c8}

cmd=()
lockfile=/tmp/lock

current_group=/tmp/$connid/group
current_article=/tmp/$connid/article
current_group_ac=/tmp/$connid/group_ac
current_group_low=/tmp/$connid/group_low
current_group_high=/tmp/$connid/group_high

touch $current_group
touch $current_article
touch $current_group_ac
touch $current_group_low
touch $current_group_high

# exit handler
fn sigexit {
	rm -rf /tmp/$connid
}

# server entrypoint

if (! test -r $news && ! ~ `{ns | grep storage} '') {
	log 'no working storage found; quitting'
	exit
}

log 'client connection established, id' $connid
response 200 'NNTP Service Ready, posting prohibited'

touch $lockfile
while(test -f $lockfile) {
	cmdline=`{read >[2]/dev/null}
	if (! ~ $status '') {
		log 'client connection hungup, bye?'
		exit
	}

	cmd=`{echo $cmdline | sed 's/'^$cr^'//g'}
	handle-nntp
	sleep 1
}

log 'client connection' $connid 'closing, bye'
response 205 'NNTP Service exits normally'
exit