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ITS#9288 crash if back-ldap rebind fails
This commit is contained in:
Tero Saarni
Quanah Gibson-Mount
parent
fc0cb887c3
commit
1e3e6cdd4a
186
tests/data/regressions/its9288/its9288
Executable file
186
tests/data/regressions/its9288/its9288
Executable file
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#! /bin/sh
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# $OpenLDAP$
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## This work is part of OpenLDAP Software <http://www.openldap.org/>.
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##
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## Copyright 1998-2021 The OpenLDAP Foundation.
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## All rights reserved.
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##
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## Redistribution and use in source and binary forms, with or without
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## modification, are permitted only as authorized by the OpenLDAP
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## Public License.
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##
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## A copy of this license is available in the file LICENSE in the
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## top-level directory of the distribution or, alternatively, at
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## <http://www.OpenLDAP.org/license.html>.
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echo "running defines.sh"
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. $SRCDIR/scripts/defines.sh
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ITS=9288
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ITSDIR=$DATADIR/regressions/its$ITS
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if test $BACKLDAP = "ldapno" ; then
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echo "LDAP backend not available, test skipped"
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exit 0
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fi
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mkdir -p $TESTDIR $DBDIR1 $DBDIR2
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cp -r $DATADIR/tls $TESTDIR
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echo "This test checks that back-ldap does not crash when proxy retries "
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echo "connection to remote server and the retry fails with an LDAP error."
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#
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# Start slapd that acts as a remote LDAP server that will be proxied
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#
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echo "Running slapadd to build database for the remote slapd server..."
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. $CONFFILTER $BACKEND < $CONF > $CONF1
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$SLAPADD -f $CONF1 -l $LDIFORDERED
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RC=$?
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if test $RC != 0 ; then
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echo "slapadd failed ($RC)!"
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exit $RC
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fi
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echo "Starting remote slapd server on TCP/IP port $PORT1..."
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$SLAPD -f $CONF1 -h "$URI1" -d $LVL > $LOG1 2>&1 &
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SERVERPID=$!
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if test $WAIT != 0 ; then
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echo SERVERPID $SERVERPID
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read foo
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fi
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sleep $SLEEP0
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echo "Using ldapsearch to check that slapd is running..."
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for i in 0 1 2 3 4 5; do
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$LDAPSEARCH -s base -b "$MONITOR" -H $URI1 \
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'objectclass=*' > /dev/null 2>&1
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RC=$?
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if test $RC = 0 ; then
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break
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fi
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echo "Waiting $SLEEP1 seconds for slapd to start..."
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sleep $SLEEP1
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done
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#
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# Start ldapd that will proxy for the remote server
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#
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echo "Starting slapd proxy on TCP/IP port $PORT2..."
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. $CONFFILTER $BACKEND < $ITSDIR/slapd-proxy.conf > $CONF2
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$SLAPD -f $CONF2 -h $URI2 -d $LVL > $LOG2 2>&1 &
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PROXYPID=$!
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if test $WAIT != 0 ; then
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echo PROXYPID $PROXYPID
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read foo
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fi
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KILLPIDS="$KILLPIDS $PROXYPID"
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sleep $SLEEP0
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echo "Using ldapsearch to check that slapd is running..."
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for i in 0 1 2 3 4 5; do
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$LDAPSEARCH -s base -b "$MONITOR" -H $URI2 \
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'objectclass=*' > /dev/null 2>&1
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RC=$?
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if test $RC = 0 ; then
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break
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fi
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echo "Waiting $SLEEP1 seconds for slapd to start..."
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sleep $SLEEP1
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done
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#
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# Test case:
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#
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# 1. Client establishes connection to proxy and binds
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# 2. Proxy establishes connection to remote server and passes through the bind.
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# 3. Change the user password on the remote server
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# 4. Kill and restart the remote server to invalidate the TCP connection between proxy and remote
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# 5. Make a new search from client
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# 6. Proxy notices connection is down and retries bind (rebind-as-user)
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# 7. Server responds with error: invalid credentials
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# 8. Proxy crashes
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#
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# Create fifo that is used to pass searches from the test case to ldapsearch without
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# disconnecting the client -> proxy connection
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rm -f $TESTDIR/ldapsearch.fifo
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mkfifo $TESTDIR/ldapsearch.fifo
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# Start ldapsearch on background and have it read search filters from fifo,
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# so that single client connection will persist over many searches
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echo "Make the proxy to connect the remote LDAP server..."
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$LDAPSEARCH -b "$BASEDN" -H $URI2 \
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-D "$BABSDN" -w "bjensen" \
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-f $TESTDIR/ldapsearch.fifo > $TESTOUT 2>&1 &
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LDAPSEARCHPID=$!
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KILLPIDS="$KILLPIDS $LDAPSEARCHPID"
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# Open fifo as file descriptor
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exec 3>$TESTDIR/ldapsearch.fifo
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# Trigger LDAP connections towards the proxy by executing a search
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echo 'objectclass=*' >&3
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echo "Change user's bind password on the remote server in order to make rebind-as-user fail when proxy retries"
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$LDAPPASSWD -H $URI1 -D "$MANAGERDN" -w $PASSWD \
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-s "newpass" "$BABSDN" >> $TESTOUT 2>&1
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RC=$?
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if test $RC != 0 ; then
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echo "ldappasswd failed ($RC)!"
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test $KILLSERVERS != no && kill -HUP $KILLPIDS $SERVERPID
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exit $RC
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fi
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# Restart the remote server to invalidate TCP connection between proxy and remote
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echo "Killing and Re-starting remote slapd server on TCP/IP port $PORT1..."
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kill -HUP $SERVERPID
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wait $SERVERPID
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$SLAPD -f $CONF1 -h "$URI1" -d $LVL >> $LOG1 2>&1 &
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SERVERPID=$!
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if test $WAIT != 0 ; then
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echo SERVERPID $SERVERPID
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read foo
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fi
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KILLPIDS="$KILLPIDS $SERVERPID"
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sleep $SLEEP0
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echo "Using ldapsearch to check that slapd is running..."
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for i in 0 1 2 3 4 5; do
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$LDAPSEARCH -s base -b "$MONITOR" -H $URI1 \
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'objectclass=*' > /dev/null 2>&1
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RC=$?
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if test $RC = 0 ; then
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break
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fi
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echo "Waiting $SLEEP1 seconds for slapd to start..."
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sleep $SLEEP1
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done
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echo "Make new ldap search to trigger proxy retry logic"
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echo 'objectclass=*' >&3
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sleep $SLEEP0
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echo "Checking if proxy slapd is still up"
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$LDAPSEARCH -s base -b "$MONITOR" -H $URI1 \
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'objectclass=*' > /dev/null 2>&1
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RC=$?
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if test $RC != 0 ; then
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echo "slapd crashed!"
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test $KILLSERVERS != no && kill -HUP $KILLPIDS 2>/dev/null
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exit $RC
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fi
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test $KILLSERVERS != no && kill -HUP $KILLPIDS 2>/dev/null
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echo ">>>>> Test succeeded"
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test $KILLSERVERS != no && wait
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exit 0
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41
tests/data/regressions/its9288/slapd-proxy.conf
Normal file
41
tests/data/regressions/its9288/slapd-proxy.conf
Normal file
@ -0,0 +1,41 @@
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# provider slapd config -- for testing
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# $OpenLDAP$
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## This work is part of OpenLDAP Software <http://www.openldap.org/>.
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##
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## Copyright 1998-2021 The OpenLDAP Foundation.
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## All rights reserved.
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##
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## Redistribution and use in source and binary forms, with or without
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## modification, are permitted only as authorized by the OpenLDAP
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## Public License.
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##
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## A copy of this license is available in the file LICENSE in the
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## top-level directory of the distribution or, alternatively, at
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## <http://www.OpenLDAP.org/license.html>.
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include @SCHEMADIR@/core.schema
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include @SCHEMADIR@/cosine.schema
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include @SCHEMADIR@/inetorgperson.schema
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include @SCHEMADIR@/openldap.schema
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include @SCHEMADIR@/nis.schema
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pidfile @TESTDIR@/slapd.m.pid
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argsfile @TESTDIR@/slapd.m.args
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#######################################################################
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# database definitions
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#######################################################################
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#mod#modulepath ../servers/slapd/back-@BACKEND@/:../servers/slapd/overlays
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#mod#moduleload back_@BACKEND@.la
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#ldapmod#modulepath ../servers/slapd/back-ldap/
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#ldapmod#moduleload back_ldap.la
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#monitormod#modulepath ../servers/slapd/back-monitor/
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#monitormod#moduleload back_monitor.la
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# Configure proxy
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database ldap
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uri "@URI1@"
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suffix "dc=example,dc=com"
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rebind-as-user yes
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database monitor
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