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|
#!/bin/sh
#
# $FreeBSD$
#
# Start or stop SETI@home, or set up working directory and register.
#
case $0 in
/*) rc_dir=${0%/*} ;;
*) rc_dir=${PWD:-$(pwd)} ;;
esac
rc_file=${0##*/}
rc_path=${rc_dir}/${rc_file}
rc_arg=$1
# override these variables in ${PREFIX}/etc/rc.setiathome.conf
set -a
seti_wrkdir=/var/db/${rc_file%.sh} # primary working directory
seti_std_args="-email -graphics" # startup command line arguments
seti_reg_args=-login # command line arguments to register
seti_proxy_server= # HTTP proxy server (hostname:port)
seti_socks_server= # SOCKS proxy server (hostname:port)
seti_socks_user= # SOCKS proxy user name
seti_socks_passwd= # SOCKS proxy password
seti_user=setiathome # user name to run as
seti_group=${seti_user} # group name to run as
seti_nice=15 # nice level to run at
seti_maxprocs=$(sysctl -n hw.ncpu) # max. number of processes to start
seti_sleep_time=21600 # time to sleep between restarts
set +a
if ! PREFIX=$(expr ${rc_path} : "\(/.*\)/etc/rc\.d/${rc_file}\$"); then
echo "${rc_file}: Cannot determine PREFIX." >&2
echo "Please use the complete pathname." >&2
exit 64
fi
rcconf_dir=${PREFIX}/etc
rcconf_file=rc.${rc_file%.sh}.conf
rcconf_path=${rcconf_dir}/${rcconf_file}
if [ -f ${rcconf_path} ]; then
set -a
. ${rcconf_path}
set +a
fi
program_dir=${PREFIX}/sbin
program_file=${rc_file%.sh}
program_path=${program_dir}/${program_file}
export program_path
common_args="\
${seti_proxy_server:+-proxy} ${seti_proxy_server} \
${seti_socks_server:+-socks_server} ${seti_socks_server} \
${seti_socks_user:+-socks_user} ${seti_socks_user} \
${seti_socks_passwd:+-socks_passwd} ${seti_socks_passwd} \
${seti_nice:+-nice} ${seti_nice} \
"
program_args="${seti_std_args} ${common_args}"
export program_args
register_args="${seti_reg_args} ${common_args}"
wrapper_dir=${PREFIX}/libexec
wrapper_file=${rc_file%.sh}.bin
wrapper_path=${wrapper_dir}/${wrapper_file}
syslog_facility=daemon.err
i=${seti_maxprocs}
seti_wrksuff="."
while [ ${i} -gt 1 ]; do
seti_wrksuff="${seti_wrksuff} ${i}"
i=$((${i} - 1))
done
export seti_wrksuff
case "$rc_arg" in
start)
if [ ! -x ${program_path} ]; then
logger -sp ${syslog_facility} -t ${program_file} \
"unable to start: ${program_path} is missing."
exit 72
fi
if [ ! -x ${wrapper_path} ]; then
logger -sp ${syslog_facility} -t ${wrapper_file} \
"unable to start: ${wrapper_path} is missing."
exit 72
fi
for i in ${seti_wrksuff}; do
if [ ! -d ${seti_wrkdir}/${i} ]; then
logger -sp ${syslog_facility} -t ${program_file} \
"unable to start: ${seti_wrkdir}/${i} is missing."
exit 72
fi
if [ ! -f ${seti_wrkdir}/${i}/user_info.sah ]; then
logger -sp ${syslog_facility} -t ${program_file} \
"unable to start: please log in to SETI@home first" \
"(${seti_wrkdir}/${i}/user_info.sah is missing)."
logger -sp ${syslog_facility} -t ${program_file} \
"run \"$0 register\" to accomplish this."
exit 72
fi
done
if ps axo ucomm | egrep ${program_file}; then
logger -sp ${syslog_facility} -t ${program_file} \
"unable to start: ${program_file} is already running."
exit 72
fi
su -fm ${seti_user} -c "exec ${wrapper_path} > /dev/null &"
echo -n " SETI@home"
;;
stop)
pid_path=${seti_wrkdir}/shpid.sah
if [ -f ${pid_path} ]; then
pid=$(cat ${pid_path})
[ -n "${pid}" ] && ps p ${pid} > /dev/null && kill ${pid}
rm -f ${pid_path}
fi
for i in ${seti_wrksuff}; do
pid_path=${seti_wrkdir}/${i}/pid.sah
if [ -f ${pid_path} ]; then
pid=$(cat ${pid_path})
[ -n "${pid}" ] && ps p ${pid} > /dev/null && kill ${pid}
fi
done
if [ ! -f ${seti_wrkdir}/pid.sah ]; then
killall ${program_file} 2> /dev/null
fi
;;
gracefull)
for i in ${seti_wrksuff}; do
pid_path=${seti_wrkdir}/${i}/pid.sah
stop_path=${seti_wrkdir}/${i}/stop_after_send.txt
if [ -f ${pid_path} ]; then
touch ${stop_path}
fi
done
;;
restart)
$0 stop
$0 start
;;
status)
ps auxww | egrep ${program_file} | egrep -v "($0|egrep)"
;;
register)
if [ ! -x ${program_path} ]; then
echo "${program_file}:" \
"unable to register: ${program_path} is missing." >&2
exit 72
fi
if pw group show "${seti_group}" 2>/dev/null; then
echo "You already have a group \"${seti_group}\"," \
"so I will use it."
elif pw groupadd ${seti_group} -h -; then
echo "Added group \"${seti_group}\"."
else
echo "Adding group \"${seti_group}\" failed..."
echo "Please create it, and try again."
exit 1
fi
if pw user show "${seti_user}" 2>/dev/null; then
echo "You already have a user \"${seti_user}\"," \
"so I will use it."
if pw usermod ${seti_user} -d ${seti_wrkdir}; then
echo "Changed home directory of \"${seti_user}\"" \
"to \"${seti_wrkdir}\""
else
echo "Changing home directory of \"${seti_user}\"" \
"to \"${setu_wrkdir}\" failed..."
exit 1
fi
elif pw useradd ${seti_user} -g ${seti_group} -h - \
-d ${seti_wrkdir} -s /sbin/nologin -c "SETI at home Daemon"; then
echo "Added user \"${seti_user}\"."
else
echo "Adding user \"${seti_user}\" failed..."
echo "Please create it, and try again."
exit 1
fi
# Create or update primary working directory (in case the uid changed)
mkdir -p ${seti_wrkdir} || exit
chown -Rh ${seti_user}:${seti_group} ${seti_wrkdir} || exit
chmod u=Xrw,g=Xr,o=Xr ${seti_wrkdir} || exit
seti_dontlogin=no
if [ -f ${seti_wrkdir}/user_info.sah ]; then
echo " It seems you have already registered with" \
"SETI@home. Would you"
echo -n " like to repeat the procedure? [Y/n] "
read a
if [ "X${a}" = "Xn" -o "X${a}" = "XN" ]; then
seti_dontlogin=yes
fi
fi
# No need to register if we've already done so
if [ "X${seti_dontlogin}" != "Xyes" ]; then
su -fm ${seti_user} -c "\
cd ${seti_wrkdir} && \
exec ${program_path} ${register_args}"
fi
if [ ${seti_maxprocs} -gt 1 ]; then
echo " Updating additional working directories."
i=${seti_maxprocs}
while [ ${i} -gt 1 ]; do
mkdir -p ${seti_wrkdir}/${i}
chown ${seti_user} ${seti_wrkdir}/${i}
chmod 755 ${seti_wrkdir}/${i}
# Assume the user want's all processes to run
# with the same registration
rm -f ${seti_wrkdir}/${i}/user_info.sah
ln -sf ../user_info.sah ${seti_wrkdir}/${i}
i=$((${i} - 1))
done
fi
;;
*)
echo "usage: ${rc_file} {start|stop|gracefull|restart|status|register}" >&2
exit 64
;;
esac
|
