-/*
- * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+/* $OpenLDAP$ */
+/* 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
#include "portable.h"
+#include <ac/string.h>
+
#include "slap.h"
-void
-slap_mod_free(
+int
+modify_add_values(
+ Entry *e,
Modification *mod,
- int freeit
-)
+ int permissive,
+ const char **text,
+ char *textbuf,
+ size_t textlen )
{
- ad_free( mod->sm_desc, 1 );
+ int rc;
+ const char *op;
+ Attribute *a;
+ Modification pmod = *mod;
+
+ switch ( mod->sm_op ) {
+ case LDAP_MOD_ADD:
+ op = "add";
+ break;
+ case LDAP_MOD_REPLACE:
+ op = "replace";
+ break;
+ default:
+ op = "?";
+ assert( 0 );
+ }
+
+ /* 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;
+
+ mr = mod->sm_desc->ad_type->sat_equality;
+ if( mr == NULL || !mr->smr_match ) {
+ /* do not allow add of additional attribute
+ if no equality rule exists */
+ *text = textbuf;
+ snprintf( textbuf, textlen,
+ "modify/%s: %s: no equality matching rule",
+ op, mod->sm_desc->ad_cname.bv_val );
+ return LDAP_INAPPROPRIATE_MATCHING;
+ }
+
+ 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 ) );
+ }
+ }
- if ( mod->sm_bvalues != NULL )
- ber_bvecfree( mod->sm_bvalues );
+ /* no normalization is done in this routine nor
+ * in the matching routines called by this routine.
+ * values are now normalized once on input to the
+ * 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 );
+ 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
+ | SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH,
+ &a->a_nvals[j], &mod->sm_nvalues[i], text );
+ } else {
+ rc = value_match( &match, mod->sm_desc, mr,
+ SLAP_MR_EQUALITY | SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
+ &a->a_vals[j], &mod->sm_values[i], text );
+ }
+
+ 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 != 0 ) {
+ if ( pmod.sm_nvalues ) {
+ pmod.sm_nvalues[p] = mod->sm_nvalues[i];
+ }
+ pmod.sm_values[p++] = mod->sm_values[i];
+ }
+ }
+
+ 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 ) {
+ ch_free( pmod.sm_values );
+ if ( pmod.sm_nvalues ) ch_free( pmod.sm_nvalues );
+ }
- if( freeit )
- free( mod );
+ if ( rc != 0 ) {
+ /* 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 );
+ return LDAP_OTHER;
+ }
+
+ return LDAP_SUCCESS;
}
-void
-slap_mods_free(
- Modifications *ml
-)
+int
+modify_delete_values(
+ Entry *e,
+ Modification *mod,
+ int permissive,
+ const char **text,
+ char *textbuf, size_t textlen )
{
- Modifications *next;
+ int i, j, k, rc = LDAP_SUCCESS;
+ Attribute *a;
+ MatchingRule *mr = mod->sm_desc->ad_type->sat_equality;
+ char dummy = '\0';
+ int match = 0;
- for ( ; ml != NULL; ml = next ) {
- next = ml->sml_next;
+ /*
+ * If permissive is set, then the non-existence of an
+ * attribute is not treated as an error.
+ */
- slap_mod_free( &ml->sml_mod, 0 );
- free( ml );
+ /* delete the entire attribute */
+ if ( mod->sm_values == NULL ) {
+ rc = attr_delete( &e->e_attrs, mod->sm_desc );
+
+ if( permissive ) {
+ rc = LDAP_SUCCESS;
+ } else if( rc != LDAP_SUCCESS ) {
+ *text = textbuf;
+ snprintf( textbuf, textlen,
+ "modify/delete: %s: no such attribute",
+ mod->sm_desc->ad_cname.bv_val );
+ rc = LDAP_NO_SUCH_ATTRIBUTE;
+ }
+ return rc;
}
+
+ if( mr == NULL || !mr->smr_match ) {
+ /* disallow specific attributes from being deleted if
+ no equality rule */
+ *text = textbuf;
+ snprintf( textbuf, textlen,
+ "modify/delete: %s: no equality matching rule",
+ mod->sm_desc->ad_cname.bv_val );
+ return LDAP_INAPPROPRIATE_MATCHING;
+ }
+
+ /* delete specific values - find the attribute first */
+ if ( (a = attr_find( e->e_attrs, mod->sm_desc )) == NULL ) {
+ if( permissive ) {
+ return LDAP_SUCCESS;
+ }
+ *text = textbuf;
+ snprintf( textbuf, textlen,
+ "modify/delete: %s: no such attribute",
+ mod->sm_desc->ad_cname.bv_val );
+ return LDAP_NO_SUCH_ATTRIBUTE;
+ }
+
+ 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 );
+ rc = (*mr->smr_match)( &match,
+ SLAP_MR_VALUE_OF_ASSERTION_SYNTAX
+ | SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH
+ | SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH,
+ a->a_desc->ad_type->sat_syntax,
+ mr, &a->a_nvals[j],
+ &mod->sm_nvalues[i] );
+ } else {
+#if 0
+ assert( a->a_nvals == NULL );
+#endif
+ rc = (*mr->smr_match)( &match,
+ SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
+ a->a_desc->ad_type->sat_syntax,
+ mr, &a->a_vals[j],
+ &mod->sm_values[i] );
+ }
+
+ if ( rc != LDAP_SUCCESS ) {
+ *text = textbuf;
+ snprintf( textbuf, textlen,
+ "%s: matching rule failed",
+ mod->sm_desc->ad_cname.bv_val );
+ break;
+ }
+
+ if ( match != 0 ) {
+ continue;
+ }
+
+ found = 1;
+
+ /* 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;
+ }
+ }
+ }
+
+ /* compact array skipping dummies */
+ for ( k = 0, j = 0; a->a_vals[k].bv_val != NULL; k++ ) {
+ /* skip dummies */
+ if( a->a_vals[k].bv_val == &dummy ) {
+ assert( a->a_nvals == NULL || a->a_nvals[k].bv_val == &dummy );
+ continue;
+ }
+ if ( j != k ) {
+ a->a_vals[ j ] = a->a_vals[ k ];
+ if (a->a_nvals != a->a_vals) {
+ a->a_nvals[ j ] = a->a_nvals[ k ];
+ }
+ }
+
+ j++;
+ }
+
+ a->a_vals[j].bv_val = NULL;
+ if (a->a_nvals != a->a_vals) a->a_nvals[j].bv_val = NULL;
+
+ /* if no values remain, delete the entire attribute */
+ if ( a->a_vals[0].bv_val == NULL ) {
+ if ( attr_delete( &e->e_attrs, mod->sm_desc ) ) {
+ *text = textbuf;
+ snprintf( textbuf, textlen,
+ "modify/delete: %s: no such attribute",
+ mod->sm_desc->ad_cname.bv_val );
+ rc = LDAP_NO_SUCH_ATTRIBUTE;
+ }
+ }
+
+return_results:;
+
+ return rc;
+}
+
+int
+modify_replace_values(
+ Entry *e,
+ Modification *mod,
+ int permissive,
+ const char **text,
+ char *textbuf, size_t textlen )
+{
+ (void) attr_delete( &e->e_attrs, mod->sm_desc );
+
+ if ( mod->sm_values ) {
+ return modify_add_values( e, mod, permissive, text, textbuf, textlen );
+ }
+
+ return LDAP_SUCCESS;
+}
+
+int
+modify_increment_values(
+ Entry *e,
+ Modification *mod,
+ int permissive,
+ const char **text,
+ char *textbuf, size_t textlen )
+{
+ Attribute *a;
+
+ a = attr_find( e->e_attrs, mod->sm_desc );
+ if( a == NULL ) {
+ *text = textbuf;
+ snprintf( textbuf, textlen,
+ "modify/increment: %s: no such attribute",
+ mod->sm_desc->ad_cname.bv_val );
+ return LDAP_NO_SUCH_ATTRIBUTE;
+ }
+
+ if ( !strcmp( a->a_desc->ad_type->sat_syntax_oid, SLAPD_INTEGER_SYNTAX )) {
+ int i;
+ char str[sizeof(long)*3 + 2]; /* overly long */
+ long incr = atol( mod->sm_values[0].bv_val );
+
+ /* treat zero and errors as a no-op */
+ if( incr == 0 ) {
+ return LDAP_SUCCESS;
+ }
+
+ for( i=0; a->a_nvals[i].bv_val != NULL; i++ ) {
+ char *tmp;
+ long value = atol( a->a_nvals[i].bv_val );
+ size_t strln = snprintf( str, sizeof(str), "%ld", value+incr );
+
+ tmp = SLAP_REALLOC( a->a_nvals[i].bv_val, strln+1 );
+ if( tmp == NULL ) {
+ *text = "modify/increment: reallocation error";
+ return LDAP_OTHER;;
+ }
+ a->a_nvals[i].bv_val = tmp;
+ a->a_nvals[i].bv_len = strln;
+
+ AC_MEMCPY( a->a_nvals[i].bv_val, str, strln+1 );
+ }
+
+ } else {
+ snprintf( textbuf, textlen,
+ "modify/increment: %s: increment not supported for value syntax %s",
+ mod->sm_desc->ad_cname.bv_val,
+ a->a_desc->ad_type->sat_syntax_oid );
+ return LDAP_CONSTRAINT_VIOLATION;
+ }
+
+ return LDAP_SUCCESS;
}
void
-slap_modlist_free(
- LDAPModList *ml
-)
+slap_mod_free(
+ Modification *mod,
+ int freeit )
{
- LDAPModList *next;
+ if ( mod->sm_values != NULL ) ber_bvarray_free( mod->sm_values );
+ mod->sm_values = NULL;
- for ( ; ml != NULL; ml = next ) {
- next = ml->ml_next;
+ if ( mod->sm_nvalues != NULL ) ber_bvarray_free( mod->sm_nvalues );
+ mod->sm_nvalues = NULL;
- if (ml->ml_type)
- free( ml->ml_type );
+ if( freeit ) free( mod );
+}
- if ( ml->ml_bvalues != NULL )
- ber_bvecfree( ml->ml_bvalues );
+void
+slap_mods_free(
+ Modifications *ml )
+{
+ Modifications *next;
+ for ( ; ml != NULL; ml = next ) {
+ next = ml->sml_next;
+
+ slap_mod_free( &ml->sml_mod, 0 );
free( ml );
}
}
+
projects / openldap / blobdiff