X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fmods.c;h=6e7d7ec1c5b8e1e42f227d37253cf8a831bac9dd;hb=f955f17076dc185a589d90baa2acd33afc4c1448;hp=7844d6381e6fc55e86327418a3673f53c7e0c295;hpb=3f739ce26e417dcf3594caf06c90eb3b118eb38a;p=openldap

diff --git a/servers/slapd/mods.c b/servers/slapd/mods.c
index 7844d6381e..6e7d7ec1c5 100644
--- a/servers/slapd/mods.c
+++ b/servers/slapd/mods.c
@@ -1,7 +1,7 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 1998-2004 The OpenLDAP Foundation.
+ * Copyright 1998-2005 The OpenLDAP Foundation.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,18 +31,19 @@
 
 int
 modify_add_values(
-	Entry	*e,
+	Entry		*e,
 	Modification	*mod,
-	int	permissive,
+	int		permissive,
 	const char	**text,
-	char *textbuf, size_t textlen )
+	char		*textbuf,
+	size_t		textlen )
 {
-	int rc;
-	const char *op;
-	Attribute *a;
-	Modification pmod = *mod;
+	int		rc;
+	const char	*op;
+	Attribute	*a;
+	Modification	pmod = *mod;
 
-	switch( mod->sm_op ) {
+	switch ( mod->sm_op ) {
 	case LDAP_MOD_ADD:
 		op = "add";
 		break;
@@ -54,10 +55,11 @@ modify_add_values(
 		assert( 0 );
 	}
 
+	/* check if values to add exist in attribute */
 	a = attr_find( e->e_attrs, mod->sm_desc );
-	if( a != NULL ) { /* check if values to add exist in attribute */
-		int	rc, i, j, p;
-		MatchingRule *mr;
+	if ( a != NULL ) {
+		int		rc, i, j, p;
+		MatchingRule	*mr;
 
 		mr = mod->sm_desc->ad_type->sat_equality;
 		if( mr == NULL || !mr->smr_match ) {
@@ -70,12 +72,12 @@ modify_add_values(
 			return LDAP_INAPPROPRIATE_MATCHING;
 		}
 
-		if( permissive ) {
-			for ( i=0; mod->sm_values[i].bv_val; i++ ) /* count 'em */;
-			pmod.sm_values = (BerVarray) ch_malloc( i*sizeof( struct berval ));
-			if( pmod.sm_nvalues != NULL ) {
-				pmod.sm_nvalues = (BerVarray) ch_malloc(
-					i*sizeof( struct berval ));
+		if ( permissive ) {
+			for ( i = 0; !BER_BVISNULL( &mod->sm_values[i] ); i++ ) /* count 'em */;
+			pmod.sm_values = (BerVarray)ch_malloc( (i + 1)*sizeof( struct berval ) );
+			if ( pmod.sm_nvalues != NULL ) {
+				pmod.sm_nvalues = (BerVarray)ch_malloc(
+					(i + 1)*sizeof( struct berval ) );
 			}
 		}
 
@@ -85,11 +87,12 @@ modify_add_values(
 		 * server (whether from LDAP or from the underlying
 		 * database).
 		 */
-		for ( p=i=0; mod->sm_values[i].bv_val; i++ ) {
-			int match;
+		for ( p = i = 0; !BER_BVISNULL( &mod->sm_values[i] ); i++ ) {
+			int	match;
+
 			assert( a->a_vals[0].bv_val );
-			for ( j=0; a->a_vals[j].bv_val; j++ ) {
-				if( mod->sm_nvalues ) {
+			for ( j = 0; !BER_BVISNULL( &a->a_vals[j] ); j++ ) {
+				if ( mod->sm_nvalues ) {
 					rc = value_match( &match, mod->sm_desc, mr,
 						SLAP_MR_EQUALITY | SLAP_MR_VALUE_OF_ASSERTION_SYNTAX
 							| SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH
@@ -101,43 +104,53 @@ modify_add_values(
 						&a->a_vals[j], &mod->sm_values[i], text );
 				}
 
-				if( rc == LDAP_SUCCESS && match == 0 ) {
-					if( permissive ) break;
-
+				if ( rc == LDAP_SUCCESS && match == 0 ) {
 					/* value already exists */
+					if ( permissive ) break;
+
 					*text = textbuf;
 					snprintf( textbuf, textlen,
 						"modify/%s: %s: value #%d already exists",
 						op, mod->sm_desc->ad_cname.bv_val, i );
 					return LDAP_TYPE_OR_VALUE_EXISTS;
+
+				} else if ( rc != LDAP_SUCCESS ) {
+					return rc;
 				}
 			}
 
-			if( permissive && !match ) {
-				if( pmod.sm_nvalues ) {
+			if ( permissive && match != 0 ) {
+				if ( pmod.sm_nvalues ) {
 					pmod.sm_nvalues[p] = mod->sm_nvalues[i];
 				}
 				pmod.sm_values[p++] = mod->sm_values[i];
 			}
 		}
 
-		if( permissive && p == 0 ) {
-			/* all new values match exist */
-			ch_free( pmod.sm_values );
-			if( pmod.sm_nvalues ) ch_free( pmod.sm_nvalues );
-			return LDAP_SUCCESS;
+		if ( permissive ) {
+			if ( p == 0 ) {
+				/* all new values match exist */
+				ch_free( pmod.sm_values );
+				if ( pmod.sm_nvalues ) ch_free( pmod.sm_nvalues );
+				return LDAP_SUCCESS;
+			}
+
+			BER_BVZERO( &pmod.sm_values[p] );
+			if ( pmod.sm_nvalues ) {
+				BER_BVZERO( &pmod.sm_nvalues[p] );
+			}
 		}
 	}
 
 	/* no - add them */
 	rc = attr_merge( e, mod->sm_desc, pmod.sm_values, pmod.sm_nvalues );
 
-	if( a != NULL && permissive ) {
+	if ( a != NULL && permissive ) {
 		ch_free( pmod.sm_values );
-		if( pmod.sm_nvalues ) ch_free( pmod.sm_nvalues );
+		if ( pmod.sm_nvalues ) ch_free( pmod.sm_nvalues );
 	}
 
-	if( rc != 0 ) {
+	if ( rc != 0 ) {
 		/* this should return result of attr_merge */
 		*text = textbuf;
 		snprintf( textbuf, textlen,
@@ -161,7 +174,7 @@ modify_delete_values(
 	Attribute	*a;
 	MatchingRule 	*mr = mod->sm_desc->ad_type->sat_equality;
 	char		dummy = '\0';
-	int			match = 0;
+	int		match = 0;
 
 	/*
 	 * If permissive is set, then the non-existence of an 
@@ -206,9 +219,13 @@ modify_delete_values(
 		return LDAP_NO_SUCH_ATTRIBUTE;
 	}
 
-	for ( i = 0; mod->sm_values[i].bv_val != NULL; i++ ) {
+	for ( i = 0; !BER_BVISNULL( &mod->sm_values[i] ); i++ ) {
 		int	found = 0;
-		for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) {
+		for ( j = 0; !BER_BVISNULL( &a->a_vals[j] ); j++ ) {
+			/* skip already deleted values */
+			if ( a->a_vals[j].bv_val == &dummy ) {
+				continue;
+			}
 
 			if( mod->sm_nvalues ) {
 				assert( a->a_nvals );
@@ -270,7 +287,7 @@ modify_delete_values(
 	}
 
 	/* compact array skipping dummies */
-	for ( k = 0, j = 0; a->a_vals[k].bv_val != NULL; k++ ) {
+	for ( k = 0, j = 0; !BER_BVISNULL( &a->a_vals[k] ); k++ ) {
 		/* skip dummies */
 		if( a->a_vals[k].bv_val == &dummy ) {
 			assert( a->a_nvals == NULL || a->a_nvals[k].bv_val == &dummy );
@@ -286,11 +303,13 @@ modify_delete_values(
 		j++;
 	}
 
-	a->a_vals[j].bv_val = NULL;
-	if (a->a_nvals != a->a_vals) a->a_nvals[j].bv_val = NULL;
+	BER_BVZERO( &a->a_vals[j] );
+	if (a->a_nvals != a->a_vals) {
+		BER_BVZERO( &a->a_nvals[j] );
+	}
 
 	/* if no values remain, delete the entire attribute */
-	if ( a->a_vals[0].bv_val == NULL ) {
+	if ( BER_BVISNULL( &a->a_vals[0] ) ) {
 		if ( attr_delete( &e->e_attrs, mod->sm_desc ) ) {
 			*text = textbuf;
 			snprintf( textbuf, textlen,
@@ -351,7 +370,7 @@ modify_increment_values(
 			return LDAP_SUCCESS;
 		}
 
-		for( i=0; a->a_nvals[i].bv_val != NULL; i++ ) {
+		for( i = 0; !BER_BVISNULL( &a->a_nvals[i] ); i++ ) {
 			char *tmp;
 			long value = atol( a->a_nvals[i].bv_val );
 			size_t strln = snprintf( str, sizeof(str), "%ld", value+incr );