]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/mods.c
Merge remote branch 'origin/mdb.master' into OPENLDAP_REL_ENG_2_4
[openldap] / servers / slapd / mods.c
index 31b79274c8a0fddf04ac21bcd35bf2c58516b6f8..ffe10faea651c3549e25246238563d85200e4549 100644 (file)
@@ -1,7 +1,7 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 1998-2007 The OpenLDAP Foundation.
+ * Copyright 1998-2012 The OpenLDAP Foundation.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -56,11 +56,21 @@ modify_add_values(
                assert( 0 );
        }
 
+       /* FIXME: Catch old code that doesn't set sm_numvals.
+        */
+       if ( !BER_BVISNULL( &mod->sm_values[mod->sm_numvals] )) {
+               unsigned i;
+               for ( i = 0; !BER_BVISNULL( &mod->sm_values[i] ); i++ );
+               assert( mod->sm_numvals == i );
+       }
+
        /* check if values to add exist in attribute */
        a = attr_find( e->e_attrs, mod->sm_desc );
        if ( a != NULL ) {
-               int             rc, i, j, p;
                MatchingRule    *mr;
+               struct berval *cvals;
+               int             rc;
+               unsigned i, p, flags;
 
                mr = mod->sm_desc->ad_type->sat_equality;
                if( mr == NULL || !mr->smr_match ) {
@@ -74,10 +84,7 @@ modify_add_values(
                }
 
                if ( permissive ) {
-                       for ( i = 0; !BER_BVISNULL( &mod->sm_values[i] ); i++ ) {
-                               /* EMPTY -- just counting 'em */;
-                       }
-
+                       i = mod->sm_numvals;
                        pmod.sm_values = (BerVarray)ch_malloc(
                                (i + 1) * sizeof( struct berval ));
                        if ( pmod.sm_nvalues != NULL ) {
@@ -92,39 +99,38 @@ modify_add_values(
                 * server (whether from LDAP or from the underlying
                 * database).
                 */
-               for ( p = i = 0; !BER_BVISNULL( &mod->sm_values[i] ); i++ ) {
-                       int     match;
-
-                       assert( a->a_vals[0].bv_val != NULL );
-                       for ( j = 0; !BER_BVISNULL( &a->a_vals[j] ); j++ ) {
-                               if ( mod->sm_nvalues ) {
-                                       rc = ordered_value_match( &match, mod->sm_desc, mr,
-                                               SLAP_MR_EQUALITY | SLAP_MR_VALUE_OF_ASSERTION_SYNTAX
-                                                       | SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH
-                                                       | SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH,
-                                               &a->a_nvals[j], &mod->sm_nvalues[i], text );
-                               } else {
-                                       rc = ordered_value_match( &match, mod->sm_desc, mr,
-                                               SLAP_MR_EQUALITY | SLAP_MR_VALUE_OF_ASSERTION_SYNTAX,
-                                               &a->a_vals[j], &mod->sm_values[i], text );
-                               }
+               if ( a->a_desc == slap_schema.si_ad_objectClass ) {
+                       /* Needed by ITS#5517 */
+                       flags = SLAP_MR_EQUALITY | SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX;
 
-                               if ( rc == LDAP_SUCCESS && match == 0 ) {
-                                       /* value already exists */
-                                       if ( permissive ) break;
+               } else {
+                       flags = SLAP_MR_EQUALITY | SLAP_MR_VALUE_OF_ASSERTION_SYNTAX;
+               }
+               if ( mod->sm_nvalues ) {
+                       flags |= SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH |
+                               SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH;
+                       cvals = mod->sm_nvalues;
+               } else {
+                       cvals = mod->sm_values;
+               }
+               for ( p = i = 0; i < mod->sm_numvals; i++ ) {
+                       unsigned        slot;
 
+                       rc = attr_valfind( a, flags, &cvals[i], &slot, NULL );
+                       if ( rc == LDAP_SUCCESS ) {
+                               if ( !permissive ) {
+                                       /* value already exists */
                                        *text = textbuf;
                                        snprintf( textbuf, textlen,
-                                               "modify/%s: %s: value #%d already exists",
+                                               "modify/%s: %s: value #%u already exists",
                                                op, mod->sm_desc->ad_cname.bv_val, i );
                                        return LDAP_TYPE_OR_VALUE_EXISTS;
-
-                               } else if ( rc != LDAP_SUCCESS ) {
-                                       return rc;
                                }
+                       } else if ( rc != LDAP_NO_SUCH_ATTRIBUTE ) {
+                               return rc;
                        }
 
-                       if ( permissive && match != 0 ) {
+                       if ( permissive && rc ) {
                                if ( pmod.sm_nvalues ) {
                                        pmod.sm_nvalues[p] = mod->sm_nvalues[i];
                                }
@@ -164,8 +170,8 @@ modify_add_values(
                /* this should return result of attr_merge */
                *text = textbuf;
                snprintf( textbuf, textlen,
-                       "modify/%s: %s: merge error",
-                       op, mod->sm_desc->ad_cname.bv_val );
+                       "modify/%s: %s: merge error (%d)",
+                       op, mod->sm_desc->ad_cname.bv_val, rc );
                return LDAP_OTHER;
        }
 
@@ -192,11 +198,13 @@ modify_delete_vindex(
        char *textbuf, size_t textlen,
        int *idx )
 {
-       int             i, j, k, rc = LDAP_SUCCESS;
        Attribute       *a;
        MatchingRule    *mr = mod->sm_desc->ad_type->sat_equality;
+       struct berval *cvals;
+       int             *id2 = NULL;
+       int             rc = 0;
+       unsigned i, j, flags;
        char            dummy = '\0';
-       int             match = 0;
 
        /*
         * If permissive is set, then the non-existence of an 
@@ -219,6 +227,17 @@ modify_delete_vindex(
                return rc;
        }
 
+       /* FIXME: Catch old code that doesn't set sm_numvals.
+        */
+       if ( !BER_BVISNULL( &mod->sm_values[mod->sm_numvals] )) {
+               for ( i = 0; !BER_BVISNULL( &mod->sm_values[i] ); i++ );
+               assert( mod->sm_numvals == i );
+       }
+       if ( !idx ) {
+               id2 = ch_malloc( mod->sm_numvals * sizeof( int ));
+               idx = id2;
+       }
+
        if( mr == NULL || !mr->smr_match ) {
                /* disallow specific attributes from being deleted if
                        no equality rule */
@@ -226,101 +245,95 @@ modify_delete_vindex(
                snprintf( textbuf, textlen,
                        "modify/delete: %s: no equality matching rule",
                        mod->sm_desc->ad_cname.bv_val );
-               return LDAP_INAPPROPRIATE_MATCHING;
+               rc = LDAP_INAPPROPRIATE_MATCHING;
+               goto return_result;
        }
 
        /* delete specific values - find the attribute first */
        if ( (a = attr_find( e->e_attrs, mod->sm_desc )) == NULL ) {
                if( permissive ) {
-                       return LDAP_SUCCESS;
+                       rc = LDAP_SUCCESS;
+                       goto return_result;
                }
                *text = textbuf;
                snprintf( textbuf, textlen,
                        "modify/delete: %s: no such attribute",
                        mod->sm_desc->ad_cname.bv_val );
-               return LDAP_NO_SUCH_ATTRIBUTE;
+               rc = LDAP_NO_SUCH_ATTRIBUTE;
+               goto return_result;
        }
 
-       for ( i = 0; !BER_BVISNULL( &mod->sm_values[i] ); i++ ) {
-               int     found = 0;
-               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 != NULL );
-                               rc = ordered_value_match( &match, a->a_desc, mr,
-                                       SLAP_MR_EQUALITY | SLAP_MR_VALUE_OF_ASSERTION_SYNTAX
-                                               | SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH
-                                               | SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH,
-                                       &a->a_nvals[j], &mod->sm_nvalues[i], text );
-                       } else {
-#if 0
-                               assert( a->a_nvals == NULL );
-#endif
-                               rc = ordered_value_match( &match, a->a_desc, mr,
-                                       SLAP_MR_EQUALITY | SLAP_MR_VALUE_OF_ASSERTION_SYNTAX,
-                                       &a->a_vals[j], &mod->sm_values[i], text );
-                       }
+       if ( a->a_desc == slap_schema.si_ad_objectClass ) {
+               /* Needed by ITS#5517,ITS#5963 */
+               flags = SLAP_MR_EQUALITY | SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX;
 
-                       if ( rc != LDAP_SUCCESS ) {
-                               *text = textbuf;
-                               snprintf( textbuf, textlen,
-                                       "%s: matching rule failed",
-                                       mod->sm_desc->ad_cname.bv_val );
-                               break;
-                       }
+       } else {
+               flags = SLAP_MR_EQUALITY | SLAP_MR_VALUE_OF_ASSERTION_SYNTAX;
+       }
+       if ( mod->sm_nvalues ) {
+               flags |= SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH
+                       | SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH;
+               cvals = mod->sm_nvalues;
+       } else {
+               cvals = mod->sm_values;
+       }
 
-                       if ( match != 0 ) {
+       /* Locate values to delete */
+       for ( i = 0; !BER_BVISNULL( &mod->sm_values[i] ); i++ ) {
+               unsigned sort;
+               rc = attr_valfind( a, flags, &cvals[i], &sort, NULL );
+               if ( rc == LDAP_SUCCESS ) {
+                       idx[i] = sort;
+               } else if ( rc == LDAP_NO_SUCH_ATTRIBUTE ) {
+                       if ( permissive ) {
+                               idx[i] = -1;
                                continue;
                        }
-
-                       found = 1;
-
-                       if ( idx )
-                               idx[i] = j;
-
-                       /* delete value and mark it as dummy */
-                       free( a->a_vals[j].bv_val );
-                       a->a_vals[j].bv_val = &dummy;
-                       if( a->a_nvals != a->a_vals ) {
-                               free( a->a_nvals[j].bv_val );
-                               a->a_nvals[j].bv_val = &dummy;
-                       }
-
-                       break;
-               }
-
-               if ( found == 0 ) {
                        *text = textbuf;
                        snprintf( textbuf, textlen,
                                "modify/delete: %s: no such value",
                                mod->sm_desc->ad_cname.bv_val );
-                       rc = LDAP_NO_SUCH_ATTRIBUTE;
-                       if ( i > 0 ) {
-                               break;
-                       } else {
-                               goto return_results;
-                       }
+                       goto return_result;
+               } else {
+                       *text = textbuf;
+                       snprintf( textbuf, textlen,
+                               "modify/delete: %s: matching rule failed",
+                               mod->sm_desc->ad_cname.bv_val );
+                       goto return_result;
+               }
+       }
+
+       /* Delete the values */
+       for ( i = 0; i < mod->sm_numvals; i++ ) {
+               /* Skip permissive values that weren't found */
+               if ( idx[i] < 0 )
+                       continue;
+               /* Skip duplicate delete specs */
+               if ( a->a_vals[idx[i]].bv_val == &dummy )
+                       continue;
+               /* delete value and mark it as gone */
+               free( a->a_vals[idx[i]].bv_val );
+               a->a_vals[idx[i]].bv_val = &dummy;
+               if( a->a_nvals != a->a_vals ) {
+                       free( a->a_nvals[idx[i]].bv_val );
+                       a->a_nvals[idx[i]].bv_val = &dummy;
                }
+               a->a_numvals--;
        }
 
        /* compact array skipping dummies */
-       for ( k = 0, j = 0; !BER_BVISNULL( &a->a_vals[k] ); k++ ) {
+       for ( i = 0, j = 0; !BER_BVISNULL( &a->a_vals[i] ); i++ ) {
                /* skip dummies */
-               if( a->a_vals[k].bv_val == &dummy ) {
-                       assert( a->a_nvals[k].bv_val == &dummy );
+               if( a->a_vals[i].bv_val == &dummy ) {
+                       assert( a->a_nvals[i].bv_val == &dummy );
                        continue;
                }
-               if ( j != k ) {
-                       a->a_vals[ j ] = a->a_vals[ k ];
+               if ( j != i ) {
+                       a->a_vals[ j ] = a->a_vals[ i ];
                        if (a->a_nvals != a->a_vals) {
-                               a->a_nvals[ j ] = a->a_nvals[ k ];
+                               a->a_nvals[ j ] = a->a_nvals[ i ];
                        }
                }
-
                j++;
        }
 
@@ -330,8 +343,9 @@ modify_delete_vindex(
        }
 
        /* if no values remain, delete the entire attribute */
-       if ( BER_BVISNULL( &a->a_vals[0] ) ) {
+       if ( !a->a_numvals ) {
                if ( attr_delete( &e->e_attrs, mod->sm_desc ) ) {
+                       /* Can never happen */
                        *text = textbuf;
                        snprintf( textbuf, textlen,
                                "modify/delete: %s: no such attribute",
@@ -342,9 +356,9 @@ modify_delete_vindex(
                /* For an ordered attribute, renumber the value indices */
                ordered_value_sort( a, 1 );
        }
-
-return_results:;
-
+return_result:
+       if ( id2 )
+               ch_free( id2 );
        return rc;
 }