include permissive modify fix

diff --git a/servers/slapd/mods.c b/servers/slapd/mods.c
index 8d91c20327e2355c8bafda8f193028c5087e9ff0..bda5738a47c774f5dbb8f7ff173b0bc72eacb185 100644 (file)
--- a/servers/slapd/mods.c
+++ b/servers/slapd/mods.c
@@ -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
@@ -101,10 +104,10 @@ 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",
@@ -116,31 +119,38 @@ modify_add_values(
                                }
                        }
 
-                       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,