X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fadd.c;h=acf2e2f85ecb4b4cb56ce7521eaed42d00bfa39c;hb=34f4c2cb97dd6c7851e30298c7e014e170f54665;hp=5c983676c89327bbb74e9ec72a958c947683ebba;hpb=e6255466dac8b64807c06f0b2225e6b14614a0db;p=openldap

diff --git a/servers/slapd/add.c b/servers/slapd/add.c
index 5c983676c8..acf2e2f85e 100644
--- a/servers/slapd/add.c
+++ b/servers/slapd/add.c
@@ -1,10 +1,18 @@
 /* $OpenLDAP$ */
-/*
- * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2006 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
  */
-/*
- * Copyright (c) 1995 Regents of the University of Michigan.
+/* Portions Copyright (c) 1995 Regents of the University of Michigan.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms are permitted
@@ -22,44 +30,26 @@
 #include <ac/time.h>
 #include <ac/socket.h>
 
-#include "ldap_pvt.h"
+#include "lutil.h"
 #include "slap.h"
-#include "slapi.h"
-
-#ifdef LDAP_SLAPI
-static Slapi_PBlock *initAddPlugin( Backend *be, Connection *conn, Operation *op,
-	struct berval *dn, Entry *e, int manageDSAit );
-static int doPreAddPluginFNs( Backend *be, Slapi_PBlock *pb );
-static void doPostAddPluginFNs( Backend *be, Slapi_PBlock *pb );
-#endif /* LDAP_SLAPI */
 
 int
-do_add( Connection *conn, Operation *op )
+do_add( Operation *op, SlapReply *rs )
 {
 	BerElement	*ber = op->o_ber;
 	char		*last;
-	struct berval dn = { 0, NULL };
+	struct berval	dn = BER_BVNULL;
 	ber_len_t	len;
 	ber_tag_t	tag;
-	Entry		*e;
-	Backend		*be;
 	Modifications	*modlist = NULL;
 	Modifications	**modtail = &modlist;
-	Modifications	tmp, *mod;
-	const char *text;
-	LDAPRDN		*rdn = NULL;
-	int		cnt;
-	int			rc = LDAP_SUCCESS;
-	int	manageDSAit;
-#ifdef LDAP_SLAPI
-	Slapi_PBlock	*pb = NULL;
-#endif /* LDAP_SLAPI */
-
-#ifdef NEW_LOGGING
-	LDAP_LOG( OPERATION, ENTRY, "do_add: conn %d enter\n", conn->c_connid,0,0 );
-#else
+	Modifications	tmp;
+	char		textbuf[ SLAP_TEXT_BUFLEN ];
+	size_t		textlen = sizeof( textbuf );
+	int		rc = 0;
+	int		freevals = 1;
+
 	Debug( LDAP_DEBUG_TRACE, "do_add\n", 0, 0, 0 );
-#endif
 	/*
 	 * Parse the add request.  It looks like this:
 	 *
@@ -74,39 +64,26 @@ do_add( Connection *conn, Operation *op )
 
 	/* get the name */
 	if ( ber_scanf( ber, "{m", /*}*/ &dn ) == LBER_ERROR ) {
-#ifdef NEW_LOGGING
-		LDAP_LOG( OPERATION, ERR, 
-			"do_add: conn %d ber_scanf failed\n", conn->c_connid,0,0 );
-#else
 		Debug( LDAP_DEBUG_ANY, "do_add: ber_scanf failed\n", 0, 0, 0 );
-#endif
-		send_ldap_disconnect( conn, op,
-			LDAP_PROTOCOL_ERROR, "decoding error" );
-		return -1;
+		send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
+		return SLAPD_DISCONNECT;
 	}
 
-	e = (Entry *) ch_calloc( 1, sizeof(Entry) );
+	op->ora_e = (Entry *) ch_calloc( 1, sizeof(Entry) );
 
-	rc = dnPrettyNormal( NULL, &dn, &e->e_name, &e->e_nname );
+	rs->sr_err = dnPrettyNormal( NULL, &dn, &op->o_req_dn, &op->o_req_ndn,
+		op->o_tmpmemctx );
 
-	if( rc != LDAP_SUCCESS ) {
-#ifdef NEW_LOGGING
-		LDAP_LOG( OPERATION, ERR, 
-			"do_add: conn %d invalid dn (%s)\n", conn->c_connid, dn.bv_val, 0 );
-#else
+	if ( rs->sr_err != LDAP_SUCCESS ) {
 		Debug( LDAP_DEBUG_ANY, "do_add: invalid dn (%s)\n", dn.bv_val, 0, 0 );
-#endif
-		send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
-			    "invalid DN", NULL, NULL );
+		send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid DN" );
 		goto done;
 	}
 
-#ifdef NEW_LOGGING
-	LDAP_LOG( OPERATION, ARGS, 
-		"do_add: conn %d  dn (%s)\n", conn->c_connid, e->e_dn, 0 );
-#else
-	Debug( LDAP_DEBUG_ARGS, "do_add: dn (%s)\n", e->e_dn, 0, 0 );
-#endif
+	ber_dupbv( &op->ora_e->e_name, &op->o_req_dn );
+	ber_dupbv( &op->ora_e->e_nname, &op->o_req_ndn );
+
+	Debug( LDAP_DEBUG_ARGS, "do_add: dn (%s)\n", op->ora_e->e_dn, 0, 0 );
 
 	/* get the attrs */
 	for ( tag = ber_first_element( ber, &len, &last ); tag != LBER_DEFAULT;
@@ -115,223 +92,135 @@ do_add( Connection *conn, Operation *op )
 		Modifications *mod;
 		ber_tag_t rtag;
 
-		rtag = ber_scanf( ber, "{m{W}}", &tmp.sml_type, &tmp.sml_bvalues );
+		tmp.sml_nvalues = NULL;
+
+		rtag = ber_scanf( ber, "{m{W}}", &tmp.sml_type, &tmp.sml_values );
 
 		if ( rtag == LBER_ERROR ) {
-#ifdef NEW_LOGGING
-			LDAP_LOG( OPERATION, ERR, 
-				   "do_add: conn %d	 decoding error \n", conn->c_connid, 0, 0 );
-#else
 			Debug( LDAP_DEBUG_ANY, "do_add: decoding error\n", 0, 0, 0 );
-#endif
-			send_ldap_disconnect( conn, op,
-				LDAP_PROTOCOL_ERROR, "decoding error" );
-			rc = -1;
+			send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
+			rs->sr_err = SLAPD_DISCONNECT;
 			goto done;
 		}
 
-		if ( tmp.sml_bvalues == NULL ) {
-#ifdef NEW_LOGGING
-			LDAP_LOG( OPERATION, INFO, 
-				"do_add: conn %d	 no values for type %s\n",
-				conn->c_connid, tmp.sml_type.bv_val, 0 );
-#else
+		if ( tmp.sml_values == NULL ) {
 			Debug( LDAP_DEBUG_ANY, "no values for type %s\n",
 				tmp.sml_type.bv_val, 0, 0 );
-#endif
-			send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
-				NULL, "no values for attribute type", NULL, NULL );
+			send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
+				"no values for attribute type" );
 			goto done;
 		}
+
 		mod  = (Modifications *) ch_malloc( sizeof(Modifications) );
-		
 		mod->sml_op = LDAP_MOD_ADD;
+		mod->sml_flags = 0;
 		mod->sml_next = NULL;
 		mod->sml_desc = NULL;
 		mod->sml_type = tmp.sml_type;
-		mod->sml_bvalues = tmp.sml_bvalues;
+		mod->sml_values = tmp.sml_values;
+		mod->sml_nvalues = NULL;
 
 		*modtail = mod;
 		modtail = &mod->sml_next;
 	}
 
 	if ( ber_scanf( ber, /*{*/ "}") == LBER_ERROR ) {
-#ifdef NEW_LOGGING
-		LDAP_LOG( OPERATION, ERR, 
-			"do_add: conn %d ber_scanf failed\n", conn->c_connid, 0, 0 );
-#else
 		Debug( LDAP_DEBUG_ANY, "do_add: ber_scanf failed\n", 0, 0, 0 );
-#endif
-		send_ldap_disconnect( conn, op,
-			LDAP_PROTOCOL_ERROR, "decoding error" );
-		rc = -1;
+		send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
+		rs->sr_err = SLAPD_DISCONNECT;
 		goto done;
 	}
 
-	if( (rc = get_ctrls( conn, op, 1 )) != LDAP_SUCCESS ) {
-#ifdef NEW_LOGGING
-		LDAP_LOG( OPERATION, INFO, 
-			"do_add: conn %d get_ctrls failed\n", conn->c_connid, 0, 0 );
-#else
+	if ( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
 		Debug( LDAP_DEBUG_ANY, "do_add: get_ctrls failed\n", 0, 0, 0 );
-#endif
 		goto done;
 	} 
 
 	if ( modlist == NULL ) {
-		send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
-			NULL, "no attributes provided", NULL, NULL );
+		send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
+			"no attributes provided" );
 		goto done;
 	}
 
-	Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu ADD dn=\"%s\"\n",
-	    op->o_connid, op->o_opid, e->e_dn, 0, 0 );
+	Statslog( LDAP_DEBUG_STATS, "%s ADD dn=\"%s\"\n",
+	    op->o_log_prefix, op->ora_e->e_name.bv_val, 0, 0, 0 );
 
-	if( e->e_nname.bv_len == 0 ) {
+	if ( dn_match( &op->ora_e->e_nname, &slap_empty_bv ) ) {
 		/* protocolError may be a more appropriate error */
-		send_ldap_result( conn, op, rc = LDAP_ALREADY_EXISTS,
-			NULL, "root DSE already exists",
-			NULL, NULL );
+		send_ldap_error( op, rs, LDAP_ALREADY_EXISTS,
+			"root DSE already exists" );
 		goto done;
 
-	} else if ( bvmatch( &e->e_nname, &global_schemandn ) ) {
-		send_ldap_result( conn, op, rc = LDAP_ALREADY_EXISTS,
-			NULL, "subschema subentry already exists",
-			NULL, NULL );
+	} else if ( dn_match( &op->ora_e->e_nname, &frontendDB->be_schemandn ) ) {
+		send_ldap_error( op, rs, LDAP_ALREADY_EXISTS,
+			"subschema subentry already exists" );
 		goto done;
 	}
 
-	if ( mod->sml_bvalues[ cnt ].bv_val == NULL ) {
-		/*
-		 * Get attribute type(s) and attribute value(s) of our rdn,
-		 */
-		if ( ldap_bv2rdn( &e->e_name, &rdn, (char **)&text,
-			LDAP_DN_FORMAT_LDAP ) )
-		{
-			send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX,
-				NULL, "unknown type(s) used in RDN",
-				NULL, NULL );
-			goto done;
-		}
+	rs->sr_err = slap_mods_check( modlist, &rs->sr_text,
+		textbuf, textlen, NULL );
 
-		/* Check for RDN attrs in entry */
-		for ( cnt = 0; rdn[ 0 ][ cnt ]; cnt++ ) {
-			AttributeDescription	*desc = NULL;
-			MatchingRule		*mr;
-			int			i;
-	
-			rc = slap_bv2ad( &rdn[ 0 ][ cnt ]->la_attr, 
-					&desc, &text );
-	
-			if ( rc != LDAP_SUCCESS ) {
-				send_ldap_result( conn, op, rc,
-						NULL, text, NULL, NULL );
-				goto done;
-			}
-	
-			for (mod = modlist; mod; mod = mod->sml_next) {
-				AttributeDescription	*mod_desc = NULL;
-	
-				rc = slap_bv2ad( &mod->sml_type, 
-						&mod_desc, &text );
-				if ( rc != LDAP_SUCCESS ) {
-					send_ldap_result( conn, op, rc,
-							NULL, text, NULL, NULL );
-					goto done;
-				}
-	
-				if (mod_desc == desc) {
-					break;
-				}
-			}
-	
-			if (mod == NULL) {
-#define BAILOUT
-#ifdef BAILOUT
-				/* bail out */
-				send_ldap_result( conn, op, 
-					rc = LDAP_NO_SUCH_ATTRIBUTE,
-					NULL,
-					"RDN attribute value assertion not present in entry", 
-					NULL, NULL );
-				goto done;
-	
-#else /* ! BAILOUT */
-				struct berval	bv;
-	
-				/* add attribute type and value to modlist */
-				mod  = (Modifications *) ch_malloc( sizeof(Modifications) );
-			
-				mod->sml_op = LDAP_MOD_ADD;
-				mod->sml_next = NULL;
-				mod->sml_desc = NULL;
-	
-				ber_dupbv( &mod->sml_type,
-						&rdn[ 0 ][ cnt ]->la_attr );
-	
-				mod->sml_bvalues = NULL;
-				ber_dupbv( &bv, &rdn[ 0 ][ cnt ]->la_value );
-				ber_bvarray_add( &mod->sml_bvalues, &bv );
-	
-				*modtail = mod;
-				modtail = &mod->sml_next;
-				continue;
-#endif /* ! BAILOUT */
-			}
-	
-			mr = desc->ad_type->sat_equality;
-			if (mr == NULL || !mr->smr_match ) {
-				/* bail out */
-				send_ldap_result( conn, op, 
-						rc = LDAP_INVALID_SYNTAX,
-						NULL,
-						"attribute in RDN lacks matching rule", 
-						NULL, NULL );
-				goto done;
-			}
-	
-			for (i = 0; mod->sml_bvalues[ i ].bv_val; i++) {
-				int		match = 0;
-				
-				rc = value_match(&match, desc, mr,
-						SLAP_MR_VALUE_SYNTAX_MATCH,
-						&mod->sml_bvalues[ i ],
-						&rdn[ 0 ][ cnt ]->la_value, &text);
-	
-				if ( rc != LDAP_SUCCESS ) {
-					send_ldap_result( conn, op, rc,
-							NULL, text, NULL, NULL);
-					goto done;
-				}
-	
-				if (match == 0) {
-					break;
-				}
-			}
-	
-			/* not found? */
-			if (mod->sml_bvalues[ i ].bv_val == NULL) {
-#ifdef BAILOUT
-				/* bailout */
-				send_ldap_result( conn, op, 
-						rc = LDAP_NO_SUCH_ATTRIBUTE,
-						NULL,
-						"value in RDN not listed in entry", 
-						NULL, NULL );
-				goto done;
-	
-#else /* ! BAILOUT */
-				struct berval	bv;
-	
-				/* add attribute type and value to modlist */
-				ber_dupbv( &bv, &rdn[ 0 ][ cnt ]->la_value );
-				ber_bvarray_add( &mod->sml_bvalues, &bv );
-				continue;
-#endif /* ! BAILOUT */
-			}
+	if ( rs->sr_err != LDAP_SUCCESS ) {
+		send_ldap_result( op, rs );
+		goto done;
+	}
+
+	/* temporary; remove if not invoking backend function */
+	op->ora_modlist = modlist;
+
+	/* call this so global overlays/SLAPI have access to ora_e */
+	rs->sr_err = slap_mods2entry( op->ora_modlist, &op->ora_e,
+		1, 0, &rs->sr_text, textbuf, textlen );
+	if ( rs->sr_err != LDAP_SUCCESS ) {
+		send_ldap_result( op, rs );
+		goto done;
+	}
+
+	freevals = 0;
+
+	op->o_bd = frontendDB;
+	rc = frontendDB->be_add( op, rs );
+	if ( rc == 0 ) {
+		if ( op->ora_e != NULL && op->o_private != NULL ) {
+			BackendDB	*bd = op->o_bd;
+
+			op->o_bd = (BackendDB *)op->o_private;
+			op->o_private = NULL;
+
+			be_entry_release_w( op, op->ora_e );
+
+			op->ora_e = NULL;
+			op->o_bd = bd;
+			op->o_private = NULL;
 		}
 	}
 
+done:;
+	if ( modlist != NULL ) {
+		/* in case of error, free the values as well */
+		slap_mods_free( modlist, freevals );
+	}
+
+	if ( op->ora_e != NULL ) {
+		entry_free( op->ora_e );
+	}
+	op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
+	op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
+
+	return rc;
+}
+
+int
+fe_op_add( Operation *op, SlapReply *rs )
+{
+	int		manageDSAit;
+	Modifications	*modlist = op->ora_modlist;
+	Modifications	**modtail = &modlist;
+	int		rc = 0;
+	BackendDB *op_be, *bd = op->o_bd;
+	char		textbuf[ SLAP_TEXT_BUFLEN ];
+	size_t		textlen = sizeof( textbuf );
+
 	manageDSAit = get_manageDSAit( op );
 
 	/*
@@ -339,35 +228,52 @@ do_add( Connection *conn, Operation *op )
 	 * appropriate one, or send a referral to our "referral server"
 	 * if we don't hold it.
 	 */
-	be = select_backend( &e->e_nname, manageDSAit, 0 );
-	if ( be == NULL ) {
-		BerVarray ref = referral_rewrite( default_referral,
-			NULL, &e->e_name, LDAP_SCOPE_DEFAULT );
-
-		send_ldap_result( conn, op, rc = LDAP_REFERRAL,
-			NULL, NULL, ref ? ref : default_referral, NULL );
-
-		if ( ref ) ber_bvarray_free( ref );
+	op->o_bd = select_backend( &op->ora_e->e_nname, manageDSAit, 1 );
+	if ( op->o_bd == NULL ) {
+		op->o_bd = bd;
+		rs->sr_ref = referral_rewrite( default_referral,
+			NULL, &op->ora_e->e_name, LDAP_SCOPE_DEFAULT );
+		if ( !rs->sr_ref ) rs->sr_ref = default_referral;
+		if ( rs->sr_ref ) {
+			rs->sr_err = LDAP_REFERRAL;
+			send_ldap_result( op, rs );
+
+			if ( rs->sr_ref != default_referral ) {
+				ber_bvarray_free( rs->sr_ref );
+			}
+		} else {
+			op->o_bd = frontendDB;
+			send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
+				"no global superior knowledge" );
+			op->o_bd = NULL;
+		}
 		goto done;
 	}
 
+	/* If we've got a glued backend, check the real backend */
+	op_be = op->o_bd;
+	if ( SLAP_GLUE_INSTANCE( op->o_bd )) {
+		op->o_bd = select_backend( &op->ora_e->e_nname, manageDSAit, 0 );
+	}
+
 	/* check restrictions */
-	rc = backend_check_restrictions( be, conn, op, NULL, &text ) ;
-	if( rc != LDAP_SUCCESS ) {
-		send_ldap_result( conn, op, rc,
-			NULL, text, NULL, NULL );
+	if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
+		send_ldap_result( op, rs );
 		goto done;
 	}
 
 	/* check for referrals */
-	rc = backend_check_referrals( be, conn, op, &e->e_name, &e->e_nname );
-	if ( rc != LDAP_SUCCESS ) {
+	if( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
 		goto done;
 	}
 
-#ifdef LDAP_SLAPI
-	pb = initAddPlugin( be, conn, op, &dn, e, manageDSAit );
-#endif /* LDAP_SLAPI */
+	rs->sr_err = slap_mods_obsolete_check( op, modlist,
+		&rs->sr_text, textbuf, textlen );
+
+	if ( rs->sr_err != LDAP_SUCCESS ) {
+		send_ldap_result( op, rs );
+		goto done;
+	}
 
 	/*
 	 * do the add if 1 && (2 || 3)
@@ -375,129 +281,104 @@ do_add( Connection *conn, Operation *op )
 	 * 2) this backend is master for what it holds;
 	 * 3) it's a replica and the dn supplied is the updatedn.
 	 */
-	if ( be->be_add ) {
+	if ( op->o_bd->be_add ) {
 		/* do the update here */
-		int repl_user = be_isupdate(be, &op->o_ndn );
+		int repl_user = be_isupdate( op );
 #ifndef SLAPD_MULTIMASTER
-		if ( !be->be_update_ndn.bv_len || repl_user )
+		if ( !SLAP_SHADOW(op->o_bd) || repl_user )
 #endif
 		{
-			int update = be->be_update_ndn.bv_len;
-			char textbuf[SLAP_TEXT_BUFLEN];
-			size_t textlen = sizeof textbuf;
+			int		update = !BER_BVISEMPTY( &op->o_bd->be_update_ndn );
+			slap_callback	cb = { NULL, slap_replog_cb, NULL, NULL };
 
-			rc = slap_mods_check( modlist, update, &text,
-				textbuf, textlen );
+			op->o_bd = op_be;
+
+			if ( !update ) {
+				rs->sr_err = slap_mods_no_user_mod_check( op, modlist,
+					&rs->sr_text, textbuf, textlen );
 
-			if( rc != LDAP_SUCCESS ) {
-				send_ldap_result( conn, op, rc,
-					NULL, text, NULL, NULL );
-				goto done;
+				if ( rs->sr_err != LDAP_SUCCESS ) {
+					send_ldap_result( op, rs );
+					goto done;
+				}
 			}
 
 			if ( !repl_user ) {
-				for( modtail = &modlist;
-					*modtail != NULL;
-					modtail = &(*modtail)->sml_next )
+				/* go to the last mod */
+				for ( modtail = &modlist;
+						*modtail != NULL;
+						modtail = &(*modtail)->sml_next )
 				{
 					assert( (*modtail)->sml_op == LDAP_MOD_ADD );
 					assert( (*modtail)->sml_desc != NULL );
 				}
-				rc = slap_mods_opattrs( be, op, modlist, modtail, &text,
-					textbuf, textlen );
-				if( rc != LDAP_SUCCESS ) {
-					send_ldap_result( conn, op, rc,
-						NULL, text, NULL, NULL );
+
+
+				/* check for duplicate values */
+				rs->sr_err = slap_mods_no_repl_user_mod_check( op,
+					modlist, &rs->sr_text, textbuf, textlen );
+				if ( rs->sr_err != LDAP_SUCCESS ) {
+					send_ldap_result( op, rs );
 					goto done;
 				}
-			}
-
-			rc = slap_mods2entry( modlist, &e, repl_user, &text,
-				textbuf, textlen );
-			if( rc != LDAP_SUCCESS ) {
-				send_ldap_result( conn, op, rc,
-					NULL, text, NULL, NULL );
-				goto done;
-			}
 
-#ifdef LDAP_SLAPI
-			/*
-			 * Call the preoperation plugin here, because the entry
-			 * will actually contain something.
-			 */
-			rc = doPreAddPluginFNs( be, pb );
-			if ( rc != LDAP_SUCCESS ) {
-				/* plugin will have sent result */
-				goto done;
+				rs->sr_err = slap_mods2entry( *modtail, &op->ora_e,
+					0, 0, &rs->sr_text, textbuf, textlen );
+				if ( rs->sr_err != LDAP_SUCCESS ) {
+					send_ldap_result( op, rs );
+					goto done;
+				}
 			}
-#endif /* LDAP_SLAPI */
 
-			if ( (*be->be_add)( be, conn, op, e ) == 0 ) {
 #ifdef SLAPD_MULTIMASTER
-				if ( !repl_user )
+			if ( !repl_user )
 #endif
-				{
-					replog( be, op, &e->e_name, &e->e_nname, e );
-				}
-				be_entry_release_w( be, conn, op, e );
-				e = NULL;
+			{
+				cb.sc_next = op->o_callback;
+				op->o_callback = &cb;
+			}
+			rc = op->o_bd->be_add( op, rs );
+			if ( rc == LDAP_SUCCESS ) {
+				/* NOTE: be_entry_release_w() is
+				 * called by do_add(), so that global
+				 * overlays on the way back can
+				 * at least read the entry */
+				op->o_private = op->o_bd;
 			}
 
 #ifndef SLAPD_MULTIMASTER
 		} else {
-			BerVarray defref;
-			BerVarray ref;
-#ifdef LDAP_SLAPI
-			/*
-			 * SLAPI_ADD_ENTRY will be empty, but this may be acceptable
-			 * on replicas (for now, it involves the minimum code intrusion).
-			 */
-			rc = doPreAddPluginFNs( be, pb );
-			if ( rc != LDAP_SUCCESS ) {
-				/* plugin will have sent result */
-				goto done;
-			}
-#endif /* LDAP_SLAPI */
+			BerVarray defref = NULL;
 
-			defref = be->be_update_refs
-				? be->be_update_refs : default_referral;
-			ref = referral_rewrite( defref,
-				NULL, &e->e_name, LDAP_SCOPE_DEFAULT );
+			defref = op->o_bd->be_update_refs
+				? op->o_bd->be_update_refs : default_referral;
 
-			send_ldap_result( conn, op, rc = LDAP_REFERRAL, NULL, NULL,
-				ref ? ref : defref, NULL );
+			if ( defref != NULL ) {
+				rs->sr_ref = referral_rewrite( defref,
+					NULL, &op->ora_e->e_name, LDAP_SCOPE_DEFAULT );
+				if ( rs->sr_ref == NULL ) rs->sr_ref = defref;
+				rs->sr_err = LDAP_REFERRAL;
+				if (!rs->sr_ref) rs->sr_ref = default_referral;
+				send_ldap_result( op, rs );
 
-			if ( ref ) ber_bvarray_free( ref );
+				if ( rs->sr_ref != default_referral ) {
+					ber_bvarray_free( rs->sr_ref );
+				}
+			} else {
+				send_ldap_error( op, rs,
+					LDAP_UNWILLING_TO_PERFORM,
+					"shadow context; no update referral" );
+			}
 #endif /* SLAPD_MULTIMASTER */
 		}
 	} else {
-	    rc = doPreAddPluginFNs( be, pb );
-	    if ( rc != LDAP_SUCCESS ) {
-		/* plugin will have sent result */
-		goto done;
-	    }
-#ifdef NEW_LOGGING
-	    LDAP_LOG( OPERATION, INFO, 
-		       "do_add: conn %d	 no backend support\n", conn->c_connid, 0, 0 );
-#else
 	    Debug( LDAP_DEBUG_ARGS, "	 do_add: no backend support\n", 0, 0, 0 );
-#endif
-	    send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
-			      NULL, "operation not supported within namingContext", NULL, NULL );
-	}
-
-#ifdef LDAP_SLAPI
-	doPostAddPluginFNs( be, pb );
-#endif /* LDAP_SLAPI */
-
-done:
-	if( modlist != NULL ) {
-		slap_mods_free( modlist );
-	}
-	if( e != NULL ) {
-		entry_free( e );
+	    send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
+			"operation not supported within namingContext" );
 	}
 
+done:;
+	op->o_bd = bd;
 	return rc;
 }
 
@@ -505,19 +386,25 @@ int
 slap_mods2entry(
 	Modifications *mods,
 	Entry **e,
-	int repl_user,
+	int initial,
+	int dup,
 	const char **text,
 	char *textbuf, size_t textlen )
 {
-	Attribute **tail = &(*e)->e_attrs;
-	assert( *tail == NULL );
+	Attribute **tail;
+
+	if ( initial ) {
+		assert( (*e)->e_attrs == NULL );
+	}
+
+	for ( tail = &(*e)->e_attrs; *tail != NULL; tail = &(*tail)->a_next )
+		;
 
 	*text = textbuf;
 
 	for( ; mods != NULL; mods = mods->sml_next ) {
 		Attribute *attr;
 
-		assert( mods->sml_op == LDAP_MOD_ADD );
 		assert( mods->sml_desc != NULL );
 
 		attr = attr_find( (*e)->e_attrs, mods->sml_desc );
@@ -527,17 +414,21 @@ slap_mods2entry(
 #ifdef SLURPD_FRIENDLY
 			ber_len_t i,j;
 
-			if( !repl_user ) {
-				snprintf( textbuf, textlen,
-					"attribute '%s' provided more than once",
-					mods->sml_desc->ad_cname.bv_val );
-				return LDAP_TYPE_OR_VALUE_EXISTS;
+			if ( !initial ) {
+				/*	
+				 * This check allows overlays to override operational
+				 * attributes by setting them directly in the entry.
+				 * We assume slap_mods_no_user_mod_check() was called
+				 * with the user modifications.
+				 */
+				*text = NULL;
+				return LDAP_SUCCESS;
 			}
 
 			for( i=0; attr->a_vals[i].bv_val; i++ ) {
 				/* count them */
 			}
-			for( j=0; mods->sml_bvalues[j].bv_val; j++ ) {
+			for( j=0; mods->sml_values[j].bv_val; j++ ) {
 				/* count them */
 			}
 			j++;	/* NULL */
@@ -547,55 +438,76 @@ slap_mods2entry(
 
 			/* should check for duplicates */
 
-			AC_MEMCPY( &attr->a_vals[i], mods->sml_bvalues,
-				sizeof( struct berval ) * j );
+			if ( dup ) {
+				for ( j = 0; mods->sml_values[j].bv_val; j++ ) {
+					ber_dupbv( &attr->a_vals[i+j], &mods->sml_values[j] );
+				}
+				BER_BVZERO( &attr->a_vals[i+j] );
+				j++;
+			} else {
+				AC_MEMCPY( &attr->a_vals[i], mods->sml_values,
+					sizeof( struct berval ) * j );
+			}
 
-			/* trim the mods array */
-			ch_free( mods->sml_bvalues );
-			mods->sml_bvalues = NULL;
+			if( mods->sml_nvalues ) {
+				attr->a_nvals = ch_realloc( attr->a_nvals,
+					sizeof( struct berval ) * (i+j) );
+				if ( dup ) {
+					for ( j = 0; mods->sml_nvalues[j].bv_val; j++ ) {
+						ber_dupbv( &attr->a_nvals[i+j], &mods->sml_nvalues[j] );
+					}
+					BER_BVZERO( &attr->a_nvals[i+j] );	
+				} else {
+					AC_MEMCPY( &attr->a_nvals[i], mods->sml_nvalues,
+						sizeof( struct berval ) * j );
+				}
+			} else {
+				attr->a_nvals = attr->a_vals;
+			}
 
 			continue;
 #else
 			snprintf( textbuf, textlen,
 				"attribute '%s' provided more than once",
 				mods->sml_desc->ad_cname.bv_val );
+			*text = textbuf;
 			return LDAP_TYPE_OR_VALUE_EXISTS;
 #endif
 		}
 
-		if( mods->sml_bvalues[1].bv_val != NULL ) {
+		if( mods->sml_values[1].bv_val != NULL ) {
 			/* check for duplicates */
-			int		i, j;
+			int		i, j, rc, match;
 			MatchingRule *mr = mods->sml_desc->ad_type->sat_equality;
 
-			/* check if the values we're adding already exist */
-			if( mr == NULL || !mr->smr_match ) {
-				for ( i = 0; mods->sml_bvalues[i].bv_val != NULL; i++ ) {
-					/* test asserted values against themselves */
-					for( j = 0; j < i; j++ ) {
-						if ( bvmatch( &mods->sml_bvalues[i],
-							&mods->sml_bvalues[j] ) ) {
-							/* value exists already */
-							snprintf( textbuf, textlen,
-								"%s: value #%d provided more than once",
-								mods->sml_desc->ad_cname.bv_val, j );
-							return LDAP_TYPE_OR_VALUE_EXISTS;
-						}
+			for ( i = 1; mods->sml_values[i].bv_val != NULL; i++ ) {
+				/* test asserted values against themselves */
+				for( j = 0; j < i; j++ ) {
+					rc = ordered_value_match( &match, mods->sml_desc, mr,
+						SLAP_MR_EQUALITY
+						| SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX
+						| SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH
+						| SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH,
+						mods->sml_nvalues
+							? &mods->sml_nvalues[i]
+							: &mods->sml_values[i],
+						mods->sml_nvalues
+							? &mods->sml_nvalues[j]
+							: &mods->sml_values[j],
+						text );
+
+					if ( rc == LDAP_SUCCESS && match == 0 ) {
+						/* value exists already */
+						snprintf( textbuf, textlen,
+							"%s: value #%d provided more than once",
+							mods->sml_desc->ad_cname.bv_val, j );
+						*text = textbuf;
+						return LDAP_TYPE_OR_VALUE_EXISTS;
+
+					} else if ( rc != LDAP_SUCCESS ) {
+						return rc;
 					}
 				}
-
-			} else {
-				int		rc;
-				const char	*text = NULL;
-				char		textbuf[ SLAP_TEXT_BUFLEN ]  = { '\0' };
-				
-				rc = modify_check_duplicates( mods->sml_desc, mr,
-						NULL, mods->sml_bvalues, 0,
-						&text, textbuf, sizeof( textbuf ) );
-
-				if ( rc != LDAP_SUCCESS ) {
-					return rc;
-				}
 			}
 		}
 
@@ -603,78 +515,235 @@ slap_mods2entry(
 
 		/* move ad to attr structure */
 		attr->a_desc = mods->sml_desc;
-		mods->sml_desc = NULL;
 
 		/* move values to attr structure */
 		/*	should check for duplicates */
-		attr->a_vals = mods->sml_bvalues;
-		mods->sml_bvalues = NULL;
+		if ( dup ) { 
+			int i;
+			for ( i = 0; mods->sml_values[i].bv_val; i++ ) /* EMPTY */;
+			attr->a_vals = (BerVarray) ch_calloc( i+1, sizeof( BerValue ));
+			for ( i = 0; mods->sml_values[i].bv_val; i++ ) {
+				ber_dupbv( &attr->a_vals[i], &mods->sml_values[i] );
+			}
+			BER_BVZERO( &attr->a_vals[i] );
+		} else {
+			attr->a_vals = mods->sml_values;
+		}
+
+		if ( mods->sml_nvalues ) {
+			if ( dup ) {
+				int i;
+				for ( i = 0; mods->sml_nvalues[i].bv_val; i++ ) /* EMPTY */;
+				attr->a_nvals = (BerVarray) ch_calloc( i+1, sizeof( BerValue ));
+				for ( i = 0; mods->sml_nvalues[i].bv_val; i++ ) {
+					ber_dupbv( &attr->a_nvals[i], &mods->sml_nvalues[i] );
+				}
+				BER_BVZERO( &attr->a_nvals[i] );
+			} else {
+				attr->a_nvals = mods->sml_nvalues;
+			}
+		} else {
+			attr->a_nvals = attr->a_vals;
+		}
 
 		*tail = attr;
 		tail = &attr->a_next;
 	}
 
+	*text = NULL;
+
 	return LDAP_SUCCESS;
 }
 
-#ifdef LDAP_SLAPI
-static Slapi_PBlock *initAddPlugin( Backend *be, Connection *conn, Operation *op,
-	struct berval *dn, Entry *e, int manageDSAit )
+int
+slap_entry2mods(
+	Entry *e,
+	Modifications **mods,
+	const char **text,
+	char *textbuf, size_t textlen )
 {
-	Slapi_PBlock *pb;
+	Modifications	*modhead = NULL;
+	Modifications	*mod;
+	Modifications	**modtail = &modhead;
+	Attribute		*a_new;
+	AttributeDescription	*a_new_desc;
+	int				i, count;
+
+	a_new = e->e_attrs;
+
+	while ( a_new != NULL ) {
+		a_new_desc = a_new->a_desc;
+		mod = (Modifications *) malloc( sizeof( Modifications ));
+		
+		mod->sml_op = LDAP_MOD_REPLACE;
+		mod->sml_flags = 0;
 
-	pb = op->o_pb;
+		mod->sml_type = a_new_desc->ad_cname;
 
-	slapi_x_backend_set_pb( pb, be );
-	slapi_x_connection_set_pb( pb, conn );
-	slapi_x_operation_set_pb( pb, op );
+		for ( count = 0; a_new->a_vals[count].bv_val; count++ ) /* EMPTY */;
 
-	slapi_pblock_set( pb, SLAPI_ADD_TARGET, (void *)dn->bv_val );
-	slapi_pblock_set( pb, SLAPI_ADD_ENTRY, (void *)e );
-	slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)manageDSAit );
+		mod->sml_values = (struct berval*) malloc(
+			(count+1) * sizeof( struct berval) );
 
-	return pb;
-}
+		/* see slap_mods_check() comments...
+		 * if a_vals == a_nvals, there is no normalizer.
+		 * in this case, mod->sml_nvalues must be left NULL.
+		 */
+		if ( a_new->a_vals != a_new->a_nvals ) {
+			mod->sml_nvalues = (struct berval*) malloc(
+				(count+1) * sizeof( struct berval) );
+		} else {
+			mod->sml_nvalues = NULL;
+		}
 
-static int doPreAddPluginFNs( Backend *be, Slapi_PBlock *pb )
-{
-	int rc;
+		for ( i = 0; i < count; i++ ) {
+			ber_dupbv(mod->sml_values+i, a_new->a_vals+i); 
+			if ( mod->sml_nvalues ) {
+				ber_dupbv( mod->sml_nvalues+i, a_new->a_nvals+i ); 
+			} 
+		}
 
-	rc = doPluginFNs( be, SLAPI_PLUGIN_PRE_ADD_FN, pb );
-	if ( rc != 0 ) {
-		/*
-		 * A preoperation plugin failure will abort the
-		 * entire operation.
-		 */
-#ifdef NEW_LOGGING
-		LDAP_LOG( OPERATION, INFO, "do_add: add preoperation plugin failed\n",
-				0, 0, 0);
-#else
-		Debug(LDAP_DEBUG_TRACE, "do_add: add preoperation plugin failed.\n",
-				0, 0, 0);
-		if ( slapi_pblock_get( pb, SLAPI_RESULT_CODE, (void *)&rc ) != 0 )
-			rc = LDAP_OTHER;
-#endif
-	} else {
-		rc = LDAP_SUCCESS;
+		mod->sml_values[count].bv_val = NULL; 
+		mod->sml_values[count].bv_len = 0; 
+
+		if ( mod->sml_nvalues ) {
+			mod->sml_nvalues[count].bv_val = NULL; 
+			mod->sml_nvalues[count].bv_len = 0; 
+		}
+
+		mod->sml_desc = a_new_desc;
+		mod->sml_next =NULL;
+		*modtail = mod;
+		modtail = &mod->sml_next;
+		a_new = a_new->a_next; 
 	}
 
-	return rc;
+	*mods = modhead;
+
+	return LDAP_SUCCESS;
 }
 
-static void doPostAddPluginFNs( Backend *be, Slapi_PBlock *pb )
+int slap_add_opattrs(
+	Operation *op,
+	const char **text,
+	char *textbuf,
+	size_t textlen,
+	int manage_ctxcsn )
 {
-	int rc;
+	struct berval name, timestamp, csn = BER_BVNULL;
+	struct berval nname, tmp;
+	char timebuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
+	char csnbuf[ LDAP_LUTIL_CSNSTR_BUFSIZE ];
+	Attribute *a;
+
+	a = attr_find( op->ora_e->e_attrs,
+		slap_schema.si_ad_structuralObjectClass );
+
+	if ( !a ) {
+		Attribute *oc;
+		int rc;
+
+		oc = attr_find( op->ora_e->e_attrs, slap_schema.si_ad_objectClass );
+		if ( oc ) {
+			rc = structural_class( oc->a_vals, &tmp, NULL, text,
+				textbuf, textlen );
+			if( rc != LDAP_SUCCESS ) return rc;
 
-	rc = doPluginFNs( be, SLAPI_PLUGIN_POST_ADD_FN, pb );
-	if ( rc != 0 ) {
-#ifdef NEW_LOGGING
-		LDAP_LOG( OPERATION, INFO, "do_add: add postoperation plugin failed\n",
-				0, 0, 0);
-#else
-		Debug(LDAP_DEBUG_TRACE, "do_add: add preoperation plugin failed.\n",
-				0, 0, 0);
-#endif
+			attr_merge_one( op->ora_e, slap_schema.si_ad_structuralObjectClass,
+				&tmp, NULL );
+		}
 	}
+
+	if ( SLAP_LASTMOD( op->o_bd ) ) {
+		char *ptr;
+		int gotcsn = 0;
+		timestamp.bv_val = timebuf;
+
+		a = attr_find( op->ora_e->e_attrs, slap_schema.si_ad_entryCSN );
+		if ( a ) {
+			gotcsn = 1;
+			csn = a->a_vals[0];
+		}
+		if ( BER_BVISEMPTY( &op->o_csn )) {
+			if ( !gotcsn ) {
+				csn.bv_val = csnbuf;
+				csn.bv_len = sizeof(csnbuf);
+				slap_get_csn( op, &csn, manage_ctxcsn );
+			} else {
+				if ( manage_ctxcsn )
+					slap_queue_csn( op, &csn );
+			}
+		} else {
+			csn = op->o_csn;
+		}
+		ptr = ber_bvchr( &csn, '#' );
+		if ( ptr ) {
+			timestamp.bv_len = ptr - csn.bv_val;
+			if ( timestamp.bv_len >= sizeof(timebuf) )
+				timestamp.bv_len = sizeof(timebuf) - 1;
+			strncpy( timebuf, csn.bv_val, timestamp.bv_len );
+			timebuf[timestamp.bv_len] = '\0';
+		} else {
+			time_t now = slap_get_time();
+
+			timestamp.bv_len = sizeof(timebuf);
+
+			slap_timestamp( &now, &timestamp );
+		}
+
+		if ( BER_BVISEMPTY( &op->o_dn ) ) {
+			BER_BVSTR( &name, SLAPD_ANONYMOUS );
+			nname = name;
+		} else {
+			name = op->o_dn;
+			nname = op->o_ndn;
+		}
+
+		a = attr_find( op->ora_e->e_attrs,
+			slap_schema.si_ad_entryUUID );
+		if ( !a ) {
+			char uuidbuf[ LDAP_LUTIL_UUIDSTR_BUFSIZE ];
+
+			tmp.bv_len = lutil_uuidstr( uuidbuf, sizeof( uuidbuf ) );
+			tmp.bv_val = uuidbuf;
+			
+			attr_merge_normalize_one( op->ora_e,
+				slap_schema.si_ad_entryUUID, &tmp, op->o_tmpmemctx );
+		}
+
+		a = attr_find( op->ora_e->e_attrs,
+			slap_schema.si_ad_creatorsName );
+		if ( !a ) {
+			attr_merge_one( op->ora_e,
+				slap_schema.si_ad_creatorsName, &name, &nname );
+		}
+
+		a = attr_find( op->ora_e->e_attrs,
+			slap_schema.si_ad_createTimestamp );
+		if ( !a ) {
+			attr_merge_one( op->ora_e,
+				slap_schema.si_ad_createTimestamp, &timestamp, NULL );
+		}
+
+		if ( !gotcsn ) {
+			attr_merge_one( op->ora_e,
+				slap_schema.si_ad_entryCSN, &csn, NULL );
+		}
+
+		a = attr_find( op->ora_e->e_attrs,
+			slap_schema.si_ad_modifiersName );
+		if ( !a ) {
+			attr_merge_one( op->ora_e,
+				slap_schema.si_ad_modifiersName, &name, &nname );
+		}
+
+		a = attr_find( op->ora_e->e_attrs,
+			slap_schema.si_ad_modifyTimestamp );
+		if ( !a ) {
+			attr_merge_one( op->ora_e,
+				slap_schema.si_ad_modifyTimestamp, &timestamp, NULL );
+		}
+
+	}
+	return LDAP_SUCCESS;
 }
-#endif /* LDAP_SLAPI */