X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fadd.c;h=9b4734ed9cdc5c3a61e5ba9698400432ed4a7729;hb=e5a37f2125f73aaedc9b771790a169c6b4a4a890;hp=a90787227341feee6ddaaebe95b781a5d93d9d9f;hpb=d3ca441ae8c00998a5a92b6c55b9e7e3516e7501;p=openldap

diff --git a/servers/slapd/add.c b/servers/slapd/add.c
index a907872273..9b4734ed9c 100644
--- a/servers/slapd/add.c
+++ b/servers/slapd/add.c
@@ -1,10 +1,18 @@
 /* $OpenLDAP$ */
-/*
- * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2004 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
@@ -25,32 +33,31 @@
 #include "ldap_pvt.h"
 #include "slap.h"
 
-static int slap_mods2entry(
-	Modifications *mods,
-	Entry **e,
-	int repl_user,
-	const char **text,
-	char *textbuf, size_t textlen );
+#ifdef LDAP_SLAPI
+#include "slapi/slapi.h"
+
+static void init_add_pblock( Operation *op, struct berval *dn, Entry *e,
+	int manageDSAit );
+static int call_add_preop_plugins( Operation *op );
+static void call_add_postop_plugins( Operation *op );
+#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;
-	const char *text;
-	int			rc = LDAP_SUCCESS;
 	int	manageDSAit;
 
 #ifdef NEW_LOGGING
-	LDAP_LOG( OPERATION, ENTRY, "do_add: conn %d enter\n", conn->c_connid,0,0 );
+	LDAP_LOG( OPERATION, ENTRY, "do_add: conn %d enter\n", op->o_connid,0,0 );
 #else
 	Debug( LDAP_DEBUG_TRACE, "do_add\n", 0, 0, 0 );
 #endif
@@ -70,34 +77,36 @@ do_add( Connection *conn, Operation *op )
 	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 );
+			"do_add: conn %d ber_scanf failed\n", op->o_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) );
 
-	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 ) {
+	if( rs->sr_err != LDAP_SUCCESS ) {
 #ifdef NEW_LOGGING
 		LDAP_LOG( OPERATION, ERR, 
-			"do_add: conn %d invalid dn (%s)\n", conn->c_connid, dn.bv_val, 0 );
+			"do_add: conn %d invalid dn (%s)\n", op->o_connid, dn.bv_val, 0 );
 #else
 		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;
 	}
 
+	ber_dupbv( &e->e_name, &op->o_req_dn );
+	ber_dupbv( &e->e_nname, &op->o_req_ndn );
+
 #ifdef NEW_LOGGING
 	LDAP_LOG( OPERATION, ARGS, 
-		"do_add: conn %d  dn (%s)\n", conn->c_connid, e->e_dn, 0 );
+		"do_add: conn %d  dn (%s)\n", op->o_connid, e->e_dn, 0 );
 #else
 	Debug( LDAP_DEBUG_ARGS, "do_add: dn (%s)\n", e->e_dn, 0, 0 );
 #endif
@@ -109,41 +118,43 @@ 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 );
+				   "do_add: conn %d	 decoding error \n", op->o_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 ) {
+		if ( tmp.sml_values == 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 );
+				op->o_connid, tmp.sml_type.bv_val, 0 );
 #else
 			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_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;
@@ -152,20 +163,19 @@ do_add( Connection *conn, Operation *op )
 	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 );
+			"do_add: conn %d ber_scanf failed\n", op->o_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 ) {
+	if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
 #ifdef NEW_LOGGING
 		LDAP_LOG( OPERATION, INFO, 
-			"do_add: conn %d get_ctrls failed\n", conn->c_connid, 0, 0 );
+			"do_add: conn %d get_ctrls failed\n", op->o_connid, 0, 0 );
 #else
 		Debug( LDAP_DEBUG_ANY, "do_add: get_ctrls failed\n", 0, 0, 0 );
 #endif
@@ -173,28 +183,24 @@ do_add( Connection *conn, Operation *op )
 	} 
 
 	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 );
+	    op->o_connid, op->o_opid, e->e_name.bv_val, 0, 0 );
 
 	if( e->e_nname.bv_len == 0 ) {
 		/* 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;
 
-#if defined( SLAPD_SCHEMA_DN )
 	} else if ( bvmatch( &e->e_nname, &global_schemandn ) ) {
-		send_ldap_result( conn, op, rc = LDAP_ALREADY_EXISTS,
-			NULL, "subschema subentry already exists",
-			NULL, NULL );
+		send_ldap_error( op, rs, LDAP_ALREADY_EXISTS,
+			"subschema subentry already exists" );
 		goto done;
-#endif
 	}
 
 	manageDSAit = get_manageDSAit( op );
@@ -204,55 +210,63 @@ 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,
+	op->o_bd = select_backend( &e->e_nname, manageDSAit, 0 );
+	if ( op->o_bd == NULL ) {
+		rs->sr_ref = referral_rewrite( default_referral,
 			NULL, &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 );
 
-		send_ldap_result( conn, op, rc = LDAP_REFERRAL,
-			NULL, NULL, ref ? ref : default_referral, NULL );
-
-		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,
+				"no global superior knowledge" );
+		}
 		goto done;
 	}
 
 	/* 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
+	if ( op->o_pb ) init_add_pblock( op, &dn, e, manageDSAit );
+#endif /* LDAP_SLAPI */
+
 	/*
 	 * do the add if 1 && (2 || 3)
 	 * 1) there is an add function implemented in this backend;
 	 * 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;
+			int update = op->o_bd->be_update_ndn.bv_len;
 			char textbuf[SLAP_TEXT_BUFLEN];
 			size_t textlen = sizeof textbuf;
+			slap_callback cb = { NULL, slap_replog_cb, NULL, NULL };
 
-			rc = slap_mods_check( modlist, update, &text,
-				textbuf, textlen );
+			rs->sr_err = slap_mods_check( modlist, update, &rs->sr_text,
+				  textbuf, textlen, NULL );
 
-			if( rc != LDAP_SUCCESS ) {
-				send_ldap_result( conn, op, rc,
-					NULL, text, NULL, NULL );
+			if( rs->sr_err != LDAP_SUCCESS ) {
+				send_ldap_result( op, rs );
 				goto done;
 			}
 
@@ -264,73 +278,132 @@ do_add( Connection *conn, Operation *op )
 					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 );
+				rs->sr_err = slap_mods_opattrs( op, modlist, modtail,
+					&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 );
+			rs->sr_err = slap_mods2entry( modlist, &e, repl_user, 0,
+				&rs->sr_text, textbuf, textlen );
+			if( rs->sr_err != LDAP_SUCCESS ) {
+				send_ldap_result( op, rs );
 				goto done;
 			}
 
-			if ( (*be->be_add)( be, conn, op, e ) == 0 ) {
+#ifdef LDAP_SLAPI
+			/*
+			 * Call the preoperation plugin here, because the entry
+			 * will actually contain something.
+			 */
+			if ( op->o_pb ) {
+				rs->sr_err = call_add_preop_plugins( op );
+				if ( rs->sr_err != LDAP_SUCCESS ) {
+					/* plugin will have sent result */
+					goto done;
+				}
+			}
+#endif /* LDAP_SLAPI */
+
+			op->ora_e = e;
 #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 );
+			{
+				cb.sc_next = op->o_callback;
+				op->o_callback = &cb;
+			}
+			if ( (op->o_bd->be_add)( op, rs ) == 0 ) {
+				be_entry_release_w( op, e );
 				e = NULL;
 			}
 
 #ifndef SLAPD_MULTIMASTER
 		} else {
-			BerVarray defref = be->be_update_refs
-				? be->be_update_refs : default_referral;
-			BerVarray ref = referral_rewrite( defref,
-				NULL, &e->e_name, LDAP_SCOPE_DEFAULT );
+			BerVarray defref = NULL;
+#ifdef LDAP_SLAPI
+			/*
+			 * SLAPI_ADD_ENTRY will be empty, but this may be acceptable
+			 * on replicas (for now, it involves the minimum code intrusion).
+			 */
+			if ( op->o_pb ) {
+				rs->sr_err = call_add_preop_plugins( op );
+				if ( rs->sr_err != LDAP_SUCCESS ) {
+					/* plugin will have sent result */
+					goto done;
+				}
+			}
+#endif /* LDAP_SLAPI */
 
-			send_ldap_result( conn, op, rc = LDAP_REFERRAL, NULL, NULL,
-				ref ? ref : defref, NULL );
+			defref = op->o_bd->be_update_refs
+				? op->o_bd->be_update_refs : default_referral;
 
-			if ( ref ) ber_bvarray_free( ref );
-#endif
+			if ( defref != NULL ) {
+				rs->sr_ref = referral_rewrite( defref,
+					NULL, &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 ( 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 {
+#ifdef LDAP_SLAPI
+		if ( op->o_pb ) {
+			rs->sr_err = call_add_preop_plugins( op );
+			if ( rs->sr_err != LDAP_SUCCESS ) {
+				/* plugin will have sent result */
+				goto done;
+			}
+		}
+#endif
 #ifdef NEW_LOGGING
 	    LDAP_LOG( OPERATION, INFO, 
-		       "do_add: conn %d	 no backend support\n", conn->c_connid, 0, 0 );
+		       "do_add: conn %d	 no backend support\n", op->o_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 );
+	    send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
+			"operation not supported within namingContext" );
 	}
 
+#ifdef LDAP_SLAPI
+	if ( op->o_pb ) call_add_postop_plugins( op );
+#endif /* LDAP_SLAPI */
+
 done:
+
+	slap_graduate_commit_csn( op );
+
 	if( modlist != NULL ) {
 		slap_mods_free( modlist );
 	}
 	if( e != NULL ) {
 		entry_free( 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;
+	return rs->sr_err;
 }
 
-static int slap_mods2entry(
+int
+slap_mods2entry(
 	Modifications *mods,
 	Entry **e,
 	int repl_user,
+	int dup,
 	const char **text,
 	char *textbuf, size_t textlen )
 {
@@ -342,7 +415,9 @@ static int slap_mods2entry(
 	for( ; mods != NULL; mods = mods->sml_next ) {
 		Attribute *attr;
 
-		assert( mods->sml_op == LDAP_MOD_ADD );
+		if ( !repl_user ) {
+			assert( mods->sml_op == LDAP_MOD_ADD );
+		}
 		assert( mods->sml_desc != NULL );
 
 		attr = attr_find( (*e)->e_attrs, mods->sml_desc );
@@ -362,7 +437,7 @@ static int slap_mods2entry(
 			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 */
@@ -372,12 +447,27 @@ static int slap_mods2entry(
 
 			/* should check for duplicates */
 
-			AC_MEMCPY( &attr->a_vals[i], mods->sml_bvalues,
+			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;
+			ch_free( mods->sml_values );
+			mods->sml_values = NULL;
+
+			if( mods->sml_nvalues ) {
+				attr->a_nvals = ch_realloc( attr->a_nvals,
+					sizeof( struct berval ) * (i+j) );
+
+				AC_MEMCPY( &attr->a_nvals[i], mods->sml_nvalues,
+					sizeof( struct berval ) * j );
+
+				/* trim the mods array */
+				ch_free( mods->sml_nvalues );
+				mods->sml_nvalues = NULL;
+
+			} else {
+				attr->a_nvals = attr->a_vals;
+			}
 
 			continue;
 #else
@@ -388,18 +478,19 @@ static int slap_mods2entry(
 #endif
 		}
 
-		if( mods->sml_bvalues[1].bv_val != NULL ) {
+		if( mods->sml_values[1].bv_val != NULL ) {
 			/* check for duplicates */
 			int		i, j;
 			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++ ) {
+				for ( i = 1; mods->sml_values[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] ) ) {
+						if ( bvmatch( &mods->sml_values[i],
+							&mods->sml_values[j] ) )
+						{
 							/* value exists already */
 							snprintf( textbuf, textlen,
 								"%s: value #%d provided more than once",
@@ -410,16 +501,36 @@ static int slap_mods2entry(
 				}
 
 			} 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,
-						&text, textbuf, sizeof( textbuf ) );
-
-				if ( rc != LDAP_SUCCESS ) {
-					return rc;
+				int	rc;
+				int match;
+
+				for ( i = 1; mods->sml_values[i].bv_val != NULL; i++ ) {
+					/* test asserted values against themselves */
+					for( j = 0; j < i; j++ ) {
+						rc = 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 );
+							return LDAP_TYPE_OR_VALUE_EXISTS;
+
+						} else if ( rc != LDAP_SUCCESS ) {
+							return rc;
+						}
+					}
 				}
 			}
 		}
@@ -428,12 +539,41 @@ static int slap_mods2entry(
 
 		/* move ad to attr structure */
 		attr->a_desc = mods->sml_desc;
-		mods->sml_desc = NULL;
+		if ( !dup ) 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] );
+			}
+			attr->a_vals[i].bv_len = 0;
+			attr->a_vals[i].bv_val = NULL;
+		} else {
+			attr->a_vals = mods->sml_values;
+			mods->sml_values = NULL;
+		}
+
+		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] );
+				}
+				attr->a_nvals[i].bv_len = 0;
+				attr->a_nvals[i].bv_val = NULL;
+			} else {
+				attr->a_nvals = mods->sml_nvalues;
+				mods->sml_nvalues = NULL;
+			}
+		} else {
+			attr->a_nvals = attr->a_vals;
+		}
 
 		*tail = attr;
 		tail = &attr->a_next;
@@ -441,3 +581,131 @@ static int slap_mods2entry(
 
 	return LDAP_SUCCESS;
 }
+
+int
+slap_entry2mods(
+	Entry *e,
+	Modifications **mods,
+	const char **text,
+	char *textbuf, size_t textlen )
+{
+	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_type = a_new_desc->ad_cname;
+
+		for ( count = 0; a_new->a_vals[count].bv_val; count++ ) /* EMPTY */;
+
+		mod->sml_values = (struct berval*) malloc(
+			(count+1) * sizeof( struct berval) );
+
+		/* 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;
+		}
+
+		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 ); 
+			} 
+		}
+
+		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; 
+	}
+
+	*mods = modhead;
+
+	return LDAP_SUCCESS;
+}
+
+#ifdef LDAP_SLAPI
+static void init_add_pblock( Operation *op,
+	struct berval *dn, Entry *e, int manageDSAit )
+{
+	slapi_int_pblock_set_operation( op->o_pb, op );
+	slapi_pblock_set( op->o_pb, SLAPI_ADD_TARGET, (void *)dn->bv_val );
+	slapi_pblock_set( op->o_pb, SLAPI_ADD_ENTRY, (void *)e );
+	slapi_pblock_set( op->o_pb, SLAPI_MANAGEDSAIT, (void *)manageDSAit );
+}
+
+static int call_add_preop_plugins( Operation *op )
+{
+	int rc;
+
+	rc = slapi_int_call_plugins( op->o_bd, SLAPI_PLUGIN_PRE_ADD_FN, op->o_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);
+#endif
+
+		if (( slapi_pblock_get( op->o_pb, SLAPI_RESULT_CODE,
+			(void *)&rc ) != 0 ) || rc == LDAP_SUCCESS )
+		{
+			rc = LDAP_OTHER;
+		}
+	} else {
+		rc = LDAP_SUCCESS;
+	}
+
+	return rc;
+}
+
+static void call_add_postop_plugins( Operation *op )
+{
+	int rc;
+
+	rc = slapi_int_call_plugins( op->o_bd, SLAPI_PLUGIN_POST_ADD_FN, op->o_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 postoperation plugin failed\n",
+			0, 0, 0);
+#endif
+	}
+}
+#endif /* LDAP_SLAPI */