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#! /bin/sh ### BEGIN INIT INFO # Provides: saslauthd # Required-Start: $local_fs $remote_fs # Required-Stop: $local_fs $remote_fs # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # Short-Description: saslauthd startup script # Description: This script starts the saslauthd daemon. It is # configured using the file /etc/default/saslauthd. ### END INIT INFO # Author: Fabian Fagerholm <fabbe@debian.org> # Do NOT "set -e" # PATH should only include /usr/* if it runs after the mountnfs.sh script PATH=/sbin:/usr/sbin:/bin:/usr/bin # Global variables DAEMON=/usr/sbin/saslauthd DEFAULT_FILES=`find /etc/default/ -regex '/etc/default/saslauthd[_a-zA-Z0-9\-]*$' -print | sort` # Exit if the package is not installed [ -x "$DAEMON" ] || exit 0 # Load the VERBOSE setting and other rcS variables . /lib/init/vars.sh # Define LSB log_* functions. # Depend on lsb-base (>= 3.0-6) to ensure that this file is present. . /lib/lsb/init-functions # Function that starts all saslauthd instances # Parameters: none # Return value: none do_startall() { for instance in $DEFAULT_FILES do start_instance $instance done } # Function that stops all saslauthd instances # Parameters: none # Return value: none do_stopall() { for instance in $DEFAULT_FILES do stop_instance $instance done } # Function that sends a SIGHUP to all saslauthd instances # Parameters: none # Return value: none do_reloadall() { for instance in $DEFAULT_FILES do reload_instance $instance done } # Function that sends a SIG0 to all saslauthd instances # Parameters: none # Return value: none do_checkall() { for instance in $DEFAULT_FILES do check_instance $instance done } # Function that starts a single saslauthd instance # Parameters: # $1 = path of default file for this instance # Return value: # 0 on success (does not mean the instance started) # 1 on failure start_instance() { # Load defaults file for this instance. . $1 # If the daemon is not enabled, give the user a warning and stop. if [ "$START" != "yes" ]; then log_warning_msg "To enable $NAME, edit $1 and set START=yes" return 0 fi # If the short name of this instance is undefined, warn the user # but choose a default name. if [ -z "$NAME" ]; then log_warning_msg "Short name (NAME) undefined in $1, using default" NAME=default fi log_daemon_msg "Starting $DESC" "$NAME" # Check to see if the debug option is specified; fail if it is if [ `expr match "$OPTIONS" '-d'` -ne 0 ]; then log_failure_msg "The debug option (-d) has been set in /etc/default/saslauthd or elsewhere, not starting" return 1 fi # Set OPTIONS to a default value, as noted in the defaults file if [ -z "$OPTIONS" ]; then log_warning_msg "Options (OPTIONS) undefined in $1, using default (-c -m /var/run/saslauthd)" OPTIONS="-c -m /var/run/saslauthd" fi # Determine run directory and pid file location by looking # for an -m option. RUN_DIR=`echo "$OPTIONS" | xargs -n 1 echo | sed -n '/^-m$/{n;p}'` if [ -z "$RUN_DIR" ]; then # No run directory defined in defaults file, fail. log_failure_msg "No run directory defined for $NAME (did you forget to set OPTIONS=\"-c -m /var/run/saslauthd\" in the defaults file?), not starting" return 1 fi PIDFILE=$RUN_DIR/saslauthd.pid # If no mechanisms are defined, fail. if [ -z "$MECHANISMS" ]; then log_failure_msg "No mechanisms defined in $1, not starting $NAME" return 1 fi # If there are mechanism options defined, prepare them for use with # the -O flag. if [ -n "$MECH_OPTIONS" ]; then MECH_OPTIONS="-O $MECH_OPTIONS" fi # If there is a threads option defined, prepare it for use with # the -n flag. if [ -n "$THREADS" ]; then THREAD_OPTIONS="-n $THREADS" fi # Construct argument string. DAEMON_ARGS="-a $MECHANISMS $MECH_OPTIONS $OPTIONS $THREAD_OPTIONS" # If there is a statoverride for the run directory, then pull # permission and ownership information from it and create the directory. # Otherwise, we create the directory with default permissions and # ownership (root:sasl, 710). if dpkg-statoverride --list $RUN_DIR > /dev/null; then createdir `dpkg-statoverride --list $RUN_DIR` else createdir root sasl 710 $RUN_DIR fi # Start the daemon, phase 1: see if it is already running. start-stop-daemon --start --quiet --pidfile $PIDFILE --name $NAME \ --exec $DAEMON --test > /dev/null if [ "$?" != "0" ]; then log_progress_msg "(already running)" log_end_msg 0 return 0 fi # Start the daemon, phase 2: it was not running, so actually start it now. start-stop-daemon --start --quiet --pidfile $PIDFILE --name $NAME \ --exec $DAEMON -- $DAEMON_ARGS if [ "$?" -ne "0" ]; then log_end_msg 1 return 1 fi # Started successfully. log_end_msg 0 return 0 } # Function that stops a single saslauthd instance # Parameters: # $1 = path of default file for this instance # Return value: # 0 on success (daemon was stopped) # 1 if the daemon was already stopped # 2 if the daemon could not be stopped stop_instance() { # Load defaults file for this instance. . $1 # If the short name of this instance is undefined, warn the user # but choose a default name. if [ -z "$NAME" ]; then log_warning_msg "Short name (NAME) undefined in $1, using default" NAME=default fi # Set OPTIONS to a default value, as noted in the defaults file if [ -z "$OPTIONS" ]; then log_warning_msg "Options (OPTIONS) undefined in $1, using default (-c -m /var/run/saslauthd)" OPTIONS="-c -m /var/run/saslauthd" fi # Determine run directory and pid file location by looking # for an -m option. RUN_DIR=`echo "$OPTIONS" | xargs -n 1 echo | sed -n '/^-m$/{n;p}'` if [ -z "$RUN_DIR" ]; then # No run directory defined in defaults file, fail. log_failure_msg "No run directory defined for $NAME (did you forget to set OPTIONS=\"-c -m /var/run/saslauthd\" in the defaults file?), not starting" return 2 fi PIDFILE=$RUN_DIR/saslauthd.pid log_daemon_msg "Stopping $DESC" "$NAME" start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 \ --pidfile $PIDFILE --exec $DAEMON if [ "$?" -eq "2" ]; then # Failed to stop. log_end_msg 1 return 2 fi if [ "$?" -eq "1" ]; then # Already stopped. log_progress_msg "(not running)" fi # Many daemons don't delete their pidfiles when they exit. rm -f $PIDFILE # Stopped successfully. log_end_msg 0 return $RETVAL } # Function that sends a SIGHUP to a single saslauthd instance # Parameters: # $1 = path of default file for this instance # Return value: # 0 on success (does not mean the daemon was reloaded) # other values on failure reload_instance() { # Load defaults file for this instance. . $1 # If the short name of this instance is undefined, warn the user # but choose a default name. if [ -z "$NAME" ]; then log_warning_msg "Short name (NAME) undefined in $1, using default" NAME=default fi # Set OPTIONS to a default value, as noted in the defaults file if [ -z "$OPTIONS" ]; then log_warning_msg "Options (OPTIONS) undefined in $1, using default (-c -m /var/run/saslauthd)" OPTIONS="-c -m /var/run/saslauthd" fi # Determine run directory and pid file location by looking # for an -m option. RUN_DIR=`echo "$OPTIONS" | xargs -n 1 echo | sed -n '/^-m$/{n;p}'` if [ -z "$RUN_DIR" ]; then # No run directory defined in defaults file, fail. log_failure_msg "No run directory defined for $NAME (did you forget to set OPTIONS=\"-c -m /var/run/saslauthd\" in the defaults file?), not starting" return 2 fi PIDFILE=$RUN_DIR/saslauthd.pid log_daemon_msg "Reloading $DESC" "$NAME" # Reload the daemon. First, see if it is already running. start-stop-daemon --start --quiet --pidfile $PIDFILE \ --exec $DAEMON --test > /dev/null if [ "$?" -eq "0" ]; then # Not running, signal this and stop. log_progress_msg "(not running)" log_end_msg 0 return 0 fi start-stop-daemon --stop --signal 1 \ --pidfile $PIDFILE --exec $DAEMON log_end_msg $? } # Function that sends a SIG0 to a single saslauthd instance # Parameters: # $1 = path of default file for this instance # Return value: # 0 on success (does not mean the daemon was reloaded) # other values on failure check_instance() { # Load defaults file for this instance. . $1 # If the short name of this instance is undefined, warn the user # but choose a default name. if [ -z "$NAME" ]; then log_warning_msg "Short name (NAME) undefined in $1, using default" NAME=default fi # Determine run directory and pid file location by looking # for an -m option. RUN_DIR=`echo "$OPTIONS" | xargs -n 1 echo | sed -n '/^-m$/{n;p}'` if [ -z "$RUN_DIR" ]; then # No run directory defined in defaults file, fail. log_failure_msg "No run directory defined for $NAME, cannot check" return 2 fi PIDFILE=$RUN_DIR/saslauthd.pid log_daemon_msg "Checking $DESC" "$NAME" # Reload the daemon. First, see if it is already running. start-stop-daemon --start --quiet --pidfile $PIDFILE \ --exec $DAEMON --test > /dev/null if [ "$?" -eq "0" ]; then # Not running, signal this and stop. log_progress_msg "(not running)" log_end_msg 3 return 3 fi log_progress_msg "(running)" log_end_msg $? return 0 } # Function that creates a directory with the specified # ownership and permissions # Parameters: # $1 = user # $2 = group # $3 = permissions (octal) # $4 = path to directory # Return value: none createdir() { # In the future, use -P/-Z to have SE Linux enhancement install -d --group="$2" --mode="$3" --owner="$1" "$4" [ -x /sbin/restorecon ] && /sbin/restorecon "$4" } # Action switch case "$1" in start) do_startall ;; stop) do_stopall ;; reload|force-reload) do_reloadall ;; restart) do_stopall do_startall ;; status) do_checkall exit $? ;; start-instance) if [ -f /etc/default/$2 ]; then start_instance /etc/default/$2 else log_failure_msg "Instance $2 does not exist." fi ;; stop-instance) if [ -f /etc/default/$2 ]; then stop_instance /etc/default/$2 else log_failure_msg "Instance $2 does not exist." fi ;; reload-instance|force-reload-instance) if [ -f /etc/default/$2 ]; then reload_instance /etc/default/$2 else log_failure_msg "Instance $2 does not exist." fi ;; restart-instance) if [ -f /etc/default/$2 ]; then stop_instance /etc/default/$2 start_instance /etc/default/$2 else log_failure_msg "Instance $2 does not exist." fi ;; *) SCRIPTNAME=$0 echo "Usage: $SCRIPTNAME {start|stop|restart|reload|force-reload}" >&2 echo " or {start-instance|stop-instance|restart-instance|" >&2 echo " reload-instance|force-reload-instance} " \ "<instance name>" >&2 exit 3 ;; esac :