Edit: /usr/libexec/dovecot/dovecot-lda (1052B)
#!/bin/bash
##CageFS proxyexec wrapper - ver 16
if [[ $EUID -eq 0 ]]; then
echo 'Cannot be run as root'
exit 1
fi
USR=`/usr/bin/whoami`
TOKEN=`/bin/cat /var/.cagefs/.cagefs.token`
# It's user's tmp directory and write to it is secure procedure
# because this script is running only under usual user
PIDFILE="/tmp/.cagefs.proxy.$$"
USER_INTERRUPT=13
CWD=`pwd`
ctrl_c_handler() {
if [[ -f "$PIDFILE" ]]; then
pid=`/bin/cat $PIDFILE`
/bin/rm -f $PIDFILE > /dev/null 2>&1
/bin/kill -s SIGINT "$pid" > /dev/null 2>&1
fi
exit $USER_INTERRUPT
}
if [[ -e /var/.cagefs/origin ]]; then
ORIGIN=`/bin/cat /var/.cagefs/origin`
REMOTE="/usr/bin/ssh -F /etc/ssh/cagefs-rexec_config $USR@$ORIGIN"
$REMOTE CAGEFS_TOKEN="$TOKEN" /usr/sbin/proxyexec -c cagefs.sock "$USR" "$CWD" DOVECOTLDA $$ "$@"
RETVAL=$?
else
trap 'ctrl_c_handler' 2
CAGEFS_TOKEN="$TOKEN" /usr/sbin/proxyexec -c cagefs.sock "$USR" "$CWD" DOVECOTLDA $$ "$@"
RETVAL=$?
/bin/rm -f $PIDFILE > /dev/null 2>&1
fi
exit $RETVAL