src/files/etc/init.d/slapd

   1 #! /bin/sh
   2
   3 # Kill me on all errors
   4 set -e
   5
   6 # Stop processing if slapd is not there
   7 [ -x /usr/sbin/slapd ] || exit 0
   8
   9 # Set default values
  10 DB_RECOVER_CMD=db4.2_recover
  11
  12 # Source the init script configuration
  13 if [ -f "/etc/default/slapd" ]; then
  14         . /etc/default/slapd
  15 fi
  16
  17 # Load the default location of the slapd config file
  18 if [ -z "$SLAPD_CONF" ]; then
  19         SLAPD_CONF="/etc/ldap/slapd.conf"
  20 else
  21         SLAPD_OPTIONS="-f $SLAPD_CONF $SLAPD_OPTIONS"
  22         SLURPD_OPTIONS="-f $SLAPD_CONF $SLURPD_OPTIONS"
  23 fi
  24
  25 # Stop processing if the config file is not there
  26 if [ ! -r "$SLAPD_CONF" ]; then
  27   cat <<EOF >&2
  28 No configuration file was found for slapd at $SLAPD_CONF.
  29 If you have moved the slapd configuration file please modify
  30 /etc/default/slapd to reflect this.  If you chose to not
  31 configure slapd during installation then you need to do so
  32 prior to attempting to start slapd.
  33 An example slapd.conf is in /usr/share/slapd
  34 EOF
  35   exit 0 # Should this be 1?
  36 fi
  37
  38 # Figure out some default settings
  39 # Check wether slurpd should get started
  40 if [ "$SLURPD_START" != "yes" ] && [ "$SLURPD_START" != "no" ]; then
  41         if grep -q '^replica' "$SLAPD_CONF" > /dev/null 2>&1 ; then
  42                 SLURPD_START=yes
  43         else
  44                 SLURPD_START=no
  45         fi
  46 fi
  47
  48 # Find out the name of slapd's pid file
  49 if [ -z "$SLAPD_PIDFILE" ]; then
  50         SLAPD_PIDFILE=`sed -ne 's/^pidfile[[:space:]]\+\(.\+\)/\1/p' \
  51                 "$SLAPD_CONF"`
  52 fi
  53
  54 # XXX: Breaks upgrading if there is no pidfile (invoke-rc.d stop will fail)
  55 # -- Torsten
  56 if [ -z "$SLAPD_PIDFILE" ]; then
  57         cat <<EOF >&2
  58 The pidfile for slapd is neither specified in "$SLAPD_CONF" nor
  59 in /etc/default/slapd. Consequently, slapd will not be started.
  60 EOF
  61         exit 1
  62 fi
  63
  64 # Pass the user and group to run under to slapd
  65 if [  "$SLAPD_USER" ]; then
  66         SLAPD_OPTIONS="-u $SLAPD_USER $SLAPD_OPTIONS"
  67 fi
  68
  69 if [ "$SLAPD_GROUP" ]; then
  70         SLAPD_OPTIONS="-g $SLAPD_GROUP $SLAPD_OPTIONS"
  71 fi
  72
  73 # Tell the user that something went wrong and give some hints for
  74 # resolving the problem.
  75 report_failure() {
  76         if [ -n "$reason" ]; then
  77                 echo " - failed: "
  78                 echo "$reason"
  79         else
  80                 echo " - failed."
  81                 cat <<EOF
  82 The operation failed but no output was produced. For hints on what went
  83 wrong please refer to the system's logfiles (e.g. /var/log/syslog) or
  84 try running the daemon in Debug mode like via "slapd -d 16383" (warning:
  85 this will create copious output).
  86 EOF
  87
  88                 if [ -n "$SLURPD_OPTIONS" -o \
  89                      -n "$SLAPD_OPTIONS" -o \
  90                      -n "$SLAPD_SERVICES" ]; then
  91                         cat << EOF
  92
  93 Below, you can find the command line options used by this script to
  94 run slapd and slurpd. Do not forget to specify those options if you
  95 want to look to debugging output:
  96 EOF
  97                         if [ -z "$SLAPD_SERVICES" ]; then
  98                                 if [ -n "$SLAPD_OPTIONS" ]; then
  99                                         echo "  slapd $SLAPD_OPTIONS"
 100                                 fi
 101                         else
 102                                 echo "  slapd -h '$SLAPD_SERVICES' $SLAPD_OPTIONS"
 103                         fi
 104
 105                         if [ "$SLURPD" = "yes" -a -n "$SLURPD_OPTIONS" ]; then
 106                                 echo "  slurpd $SLURPD_OPTIONS"
 107                         fi
 108                 fi
 109         fi
 110 }
 111
 112 # Try to recover slapd database
 113 try_fix_db() {
 114         local dbdir failed bdb_envs
 115
 116         # db4.2-util is just recommended by slapd, so make sure it is
 117         # available before trying to use it
 118         if ! command -v $DB_RECOVER_CMD >/dev/null 2>&1; then
 119                 echo -n " ($DB_RECOVER_CMD not found), "
 120                 return 0
 121         fi
 122
 123         bdb_envs=`find_bdb_envs`
 124
 125         # We care only about BDB environments
 126         if [ -z "$bdb_envs" ]; then
 127                 return 0
 128         fi
 129
 130         # Make sure there is no slapcat and no slapd running as we might
 131         # break the DB in that case
 132         if pidof /usr/lib/slapd >/dev/null; then
 133                 echo -n " (slapd running, no recovery), "
 134                 return 0
 135         fi
 136
 137         echo -n " running BDB recovery"
 138         for dbdir in $bdb_envs; do
 139                 reason="`$DB_RECOVER_CMD -eh $dbdir 2>&1`" || \
 140                         db_recover_failed $dbdir
 141         done
 142         echo -n ","
 143 }
 144
 145 # Find bdb environment dirs
 146 find_bdb_envs() {
 147         local d
 148         for d in `sed -ne 's/^directory[[:space:]]\+"*\([^"]\+\).*/\1/p' \
 149                         < "$SLAPD_CONF"`; do
 150                 if [ -d "$d" -a -f "$d/objectClass.bdb" ]; then
 151                         echo $d
 152                 fi
 153         done
 154 }
 155
 156 # Inform the user that BDB recovery failed
 157 db_recover_failed() {
 158         local dbdir
 159         dbdir="$1"
 160
 161         reason="`cat <<EOF
 162 Automatic recovery of the OpenLDAP directory database in
 163
 164         $dbdir
 165
 166 failed. You will need to perform a manual recovery, possibly from backup.
 167 The failed command was $DB_RECOVER_CMD -eh $dbdir. Output:
 168
 169 $reason
 170 EOF`"
 171         exit 1
 172 }
 173
 174 # Start the slapd daemon and capture the error message if any to
 175 # $reason.
 176 start_slapd() {
 177         echo -n " slapd"
 178         if [ -z "$SLAPD_SERVICES" ]; then
 179                 reason="`start-stop-daemon --start --quiet --oknodo \
 180                         --pidfile "$SLAPD_PIDFILE" \
 181                         --exec /usr/sbin/slapd -- $SLAPD_OPTIONS 2>&1`"
 182         else
 183                 reason="`start-stop-daemon --start --quiet --oknodo \
 184                         --pidfile "$SLAPD_PIDFILE" \
 185                         --exec /usr/sbin/slapd -- -h "$SLAPD_SERVICES" $SLAPD_OPTIONS 2>&1`"
 186         fi
 187 }
 188
 189 # Start the slurpd daemon and capture the error message if any to
 190 # $reason.
 191 start_slurpd() {
 192         if [ "$SLURPD_START" != yes ]; then
 193                 return 0
 194         fi
 195         echo -n " slurpd"
 196         reason="`start-stop-daemon --start --quiet --oknodo \
 197                 --exec /usr/sbin/slurpd -- $SLURPD_OPTIONS 2>&1`"
 198 }
 199
 200 # Stop the slapd daemon and capture the error message (if any) to
 201 # $reason.
 202 stop_slapd() {
 203         echo -n " slapd"
 204         reason="`start-stop-daemon --stop --quiet --oknodo --retry 10 \
 205                 --pidfile "$SLAPD_PIDFILE" \
 206                 --exec /usr/sbin/slapd 2>&1`"
 207 }
 208
 209 # Stop the slurpd daemon and capture the error message (if any) to
 210 # $reason.
 211 stop_slurpd() {
 212         if [ "$SLURPD_START" != yes ]; then
 213                 return 0
 214         fi
 215         echo -n " slurpd"
 216         reason="`start-stop-daemon --stop --quiet --oknodo --retry 10 \
 217                 --exec /usr/sbin/slurpd 2>&1`"
 218 }
 219
 220 # Start the OpenLDAP daemons
 221 start() {
 222         echo -n "Starting OpenLDAP:"
 223         trap 'report_failure' 0
 224         if [ "$TRY_BDB_RECOVERY" = "yes" ]; then
 225                 try_fix_db
 226         fi
 227         start_slapd
 228         start_slurpd
 229         trap "-" 0
 230         echo .
 231 }
 232
 233 # Stop the OpenLDAP daemons
 234 stop() {
 235         echo -n "Stopping OpenLDAP:"
 236         trap 'report_failure' 0
 237         stop_slurpd
 238         stop_slapd
 239         trap "-" 0
 240         echo .
 241 }
 242
 243 case "$1" in
 244   start)
 245         start ;;
 246   stop)
 247         stop ;;
 248   restart|force-reload)
 249         stop
 250         start
 251         ;;
 252   *)
 253         echo "Usage: $0 {start|stop|restart|force-reload}"
 254         exit 1
 255         ;;
 256 esac