2001-07-07 17:13:05 +08:00
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/*
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2002-01-05 05:17:25 +08:00
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* Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
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2001-07-07 17:13:05 +08:00
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* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
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*/
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/*
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* Copyright (c) 1995 Regents of the University of Michigan.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that this notice is preserved and that due credit is given
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* to the University of Michigan at Ann Arbor. The name of the University
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* may not be used to endorse or promote products derived from this
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* software without specific prior written permission. This software
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* is provided ``as is'' without express or implied warranty.
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*/
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#include "portable.h"
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#include "slap.h"
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2002-01-20 03:54:48 +08:00
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int
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modify_add_values(
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Entry *e,
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Modification *mod,
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const char **text,
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char *textbuf, size_t textlen
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)
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{
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int i, j;
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Attribute *a;
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MatchingRule *mr = mod->sm_desc->ad_type->sat_equality;
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const char *op;
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switch( mod->sm_op ) {
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case LDAP_MOD_ADD:
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op = "add";
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break;
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case LDAP_MOD_REPLACE:
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op = "replace";
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break;
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default:
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op = "?";
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assert( 0 );
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}
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a = attr_find( e->e_attrs, mod->sm_desc );
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/* check if the values we're adding already exist */
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if( mr == NULL || !mr->smr_match ) {
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if ( a != NULL ) {
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/* do not allow add of additional attribute
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if no equality rule exists */
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*text = textbuf;
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snprintf( textbuf, textlen,
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"modify/%s: %s: no equality matching rule",
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op, mod->sm_desc->ad_cname.bv_val );
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return LDAP_INAPPROPRIATE_MATCHING;
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}
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for ( i = 0; mod->sm_bvalues[i].bv_val != NULL; i++ ) {
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/* test asserted values against existing values */
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if( a ) {
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for( j = 0; a->a_vals[j].bv_val != NULL; j++ ) {
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int rc = ber_bvcmp( &mod->sm_bvalues[i],
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&a->a_vals[j] );
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if( rc == 0 ) {
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/* value exists already */
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*text = textbuf;
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snprintf( textbuf, textlen,
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"modify/%s: %s: value #%i already exists",
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2002-03-24 00:53:44 +08:00
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op, mod->sm_desc->ad_cname.bv_val, j );
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2002-01-20 03:54:48 +08:00
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return LDAP_TYPE_OR_VALUE_EXISTS;
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}
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}
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}
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/* test asserted values against themselves */
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for( j = 0; j < i; j++ ) {
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int rc = ber_bvcmp( &mod->sm_bvalues[i],
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&mod->sm_bvalues[j] );
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if( rc == 0 ) {
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/* value exists already */
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*text = textbuf;
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snprintf( textbuf, textlen,
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"modify/%s: %s: value #%i already exists",
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2002-03-24 00:53:44 +08:00
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op, mod->sm_desc->ad_cname.bv_val, j );
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2002-01-20 03:54:48 +08:00
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return LDAP_TYPE_OR_VALUE_EXISTS;
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}
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}
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}
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} else {
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for ( i = 0; mod->sm_bvalues[i].bv_val != NULL; i++ ) {
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int rc, match;
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struct berval asserted;
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rc = value_normalize( mod->sm_desc,
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SLAP_MR_EQUALITY,
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&mod->sm_bvalues[i],
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&asserted,
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text );
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if( rc != LDAP_SUCCESS ) return rc;
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if( a ) {
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for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) {
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int rc = value_match( &match, mod->sm_desc, mr,
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SLAP_MR_VALUE_SYNTAX_MATCH,
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&a->a_vals[j], &asserted, text );
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if( rc == LDAP_SUCCESS && match == 0 ) {
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free( asserted.bv_val );
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return LDAP_TYPE_OR_VALUE_EXISTS;
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}
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}
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}
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for ( j = 0; j < i; j++ ) {
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int rc = value_match( &match, mod->sm_desc, mr,
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SLAP_MR_VALUE_SYNTAX_MATCH,
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&mod->sm_bvalues[j], &asserted, text );
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if( rc == LDAP_SUCCESS && match == 0 ) {
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free( asserted.bv_val );
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return LDAP_TYPE_OR_VALUE_EXISTS;
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}
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}
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free( asserted.bv_val );
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}
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}
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/* no - add them */
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if( attr_merge( e, mod->sm_desc, mod->sm_bvalues ) != 0 ) {
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/* this should return result of attr_merge */
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*text = textbuf;
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snprintf( textbuf, textlen,
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"modify/%s: %s: merge error",
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op, mod->sm_desc->ad_cname.bv_val );
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return LDAP_OTHER;
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}
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return LDAP_SUCCESS;
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}
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int
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modify_delete_values(
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Entry *e,
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Modification *mod,
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const char **text,
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char *textbuf, size_t textlen
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)
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{
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int i, j, k, found;
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Attribute *a;
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2002-03-24 00:53:44 +08:00
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MatchingRule *mr = mod->sm_desc->ad_type->sat_equality;
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2002-01-20 03:54:48 +08:00
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/* delete the entire attribute */
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if ( mod->sm_bvalues == NULL ) {
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int rc = attr_delete( &e->e_attrs, mod->sm_desc );
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if( rc != LDAP_SUCCESS ) {
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*text = textbuf;
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snprintf( textbuf, textlen,
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"modify/delete: %s: no such attribute",
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mod->sm_desc->ad_cname.bv_val );
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rc = LDAP_NO_SUCH_ATTRIBUTE;
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}
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return rc;
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}
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if( mr == NULL || !mr->smr_match ) {
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/* disallow specific attributes from being deleted if
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no equality rule */
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*text = textbuf;
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snprintf( textbuf, textlen,
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"modify/delete: %s: no equality matching rule",
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mod->sm_desc->ad_cname.bv_val );
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return LDAP_INAPPROPRIATE_MATCHING;
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}
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/* delete specific values - find the attribute first */
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if ( (a = attr_find( e->e_attrs, mod->sm_desc )) == NULL ) {
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*text = textbuf;
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snprintf( textbuf, textlen,
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"modify/delete: %s: no such attribute",
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mod->sm_desc->ad_cname.bv_val );
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return LDAP_NO_SUCH_ATTRIBUTE;
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}
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/* find each value to delete */
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for ( i = 0; mod->sm_bvalues[i].bv_val != NULL; i++ ) {
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int rc;
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struct berval asserted;
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rc = value_normalize( mod->sm_desc,
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SLAP_MR_EQUALITY,
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&mod->sm_bvalues[i],
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&asserted,
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text );
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if( rc != LDAP_SUCCESS ) return rc;
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found = 0;
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for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) {
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int match;
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int rc = value_match( &match, mod->sm_desc, mr,
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SLAP_MR_VALUE_SYNTAX_MATCH,
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&a->a_vals[j], &asserted, text );
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if( rc == LDAP_SUCCESS && match != 0 ) {
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continue;
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}
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/* found a matching value */
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found = 1;
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/* delete it */
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free( a->a_vals[j].bv_val );
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for ( k = j + 1; a->a_vals[k].bv_val != NULL; k++ ) {
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a->a_vals[k - 1] = a->a_vals[k];
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}
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a->a_vals[k - 1].bv_val = NULL;
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a->a_vals[k - 1].bv_len = 0;
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break;
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}
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free( asserted.bv_val );
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/* looked through them all w/o finding it */
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if ( ! found ) {
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*text = textbuf;
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snprintf( textbuf, textlen,
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"modify/delete: %s: no such value",
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mod->sm_desc->ad_cname.bv_val );
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return LDAP_NO_SUCH_ATTRIBUTE;
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}
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}
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/* if no values remain, delete the entire attribute */
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if ( a->a_vals[0].bv_val == NULL ) {
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if ( attr_delete( &e->e_attrs, mod->sm_desc ) ) {
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*text = textbuf;
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snprintf( textbuf, textlen,
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"modify/delete: %s: no such attribute",
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mod->sm_desc->ad_cname.bv_val );
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return LDAP_NO_SUCH_ATTRIBUTE;
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}
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}
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return LDAP_SUCCESS;
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}
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int
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modify_replace_values(
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Entry *e,
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Modification *mod,
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const char **text,
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char *textbuf, size_t textlen
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)
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{
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(void) attr_delete( &e->e_attrs, mod->sm_desc );
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if ( mod->sm_bvalues ) {
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return modify_add_values( e, mod, text, textbuf, textlen );
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}
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return LDAP_SUCCESS;
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}
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2001-07-07 17:13:05 +08:00
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void
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slap_mod_free(
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Modification *mod,
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int freeit
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)
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{
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2002-01-06 14:11:01 +08:00
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#if 0
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2002-01-02 20:34:35 +08:00
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if ( mod->sm_type.bv_val)
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free( mod->sm_type.bv_val );
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2002-01-06 14:11:01 +08:00
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#endif
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2001-07-07 17:13:05 +08:00
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if ( mod->sm_bvalues != NULL )
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2002-01-14 09:43:17 +08:00
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ber_bvarray_free( mod->sm_bvalues );
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2001-07-07 17:13:05 +08:00
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if( freeit )
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free( mod );
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}
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void
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slap_mods_free(
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Modifications *ml
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)
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{
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Modifications *next;
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for ( ; ml != NULL; ml = next ) {
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next = ml->sml_next;
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slap_mod_free( &ml->sml_mod, 0 );
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free( ml );
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}
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}
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void
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slap_modlist_free(
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LDAPModList *ml
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)
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{
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LDAPModList *next;
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for ( ; ml != NULL; ml = next ) {
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next = ml->ml_next;
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if (ml->ml_type)
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free( ml->ml_type );
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if ( ml->ml_bvalues != NULL )
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ber_bvecfree( ml->ml_bvalues );
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free( ml );
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}
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}
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