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/** BEGIN COPYRIGHT BLOCK
* Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
* Copyright (C) 2005 Red Hat, Inc.
* All rights reserved.
* END COPYRIGHT BLOCK **/
/* compare.c - ldbm backend compare routine */
#include "back-ldbm.h"
int
ldbm_back_compare( Slapi_PBlock *pb )
{
backend *be;
ldbm_instance *inst;
struct ldbminfo *li;
struct backentry *e;
int err;
char *type;
struct berval *bval;
entry_address *addr;
Slapi_Value compare_value;
int result;
int ret = 0;
Slapi_DN *namespace_dn;
slapi_pblock_get( pb, SLAPI_BACKEND, &be );
slapi_pblock_get( pb, SLAPI_PLUGIN_PRIVATE, &li );
slapi_pblock_get( pb, SLAPI_TARGET_ADDRESS, &addr);
slapi_pblock_get( pb, SLAPI_COMPARE_TYPE, &type );
slapi_pblock_get( pb, SLAPI_COMPARE_VALUE, &bval );
inst = (ldbm_instance *) be->be_instance_info;
/* get the namespace dn */
namespace_dn = (Slapi_DN*)slapi_be_getsuffix(be, 0);
if ( (e = find_entry( pb, be, addr, NULL )) == NULL ) {
return( -1 ); /* error result sent by find_entry() */
}
err = slapi_access_allowed (pb, e->ep_entry, type, bval, SLAPI_ACL_COMPARE);
if ( err != LDAP_SUCCESS ) {
slapi_send_ldap_result( pb, err, NULL, NULL, 0, NULL );
ret = 1;
} else {
slapi_value_init_berval(&compare_value,bval);
err = slapi_vattr_namespace_value_compare(e->ep_entry,namespace_dn,type,&compare_value,&result,0);
if (0 != err) {
/* Was the attribute not found ? */
if (SLAPI_VIRTUALATTRS_NOT_FOUND == err) {
slapi_send_ldap_result( pb, LDAP_NO_SUCH_ATTRIBUTE, NULL, NULL,0, NULL );
ret = 1;
} else {
/* Some other problem, call it an operations error */
slapi_send_ldap_result( pb, LDAP_OPERATIONS_ERROR, NULL, NULL,0, NULL );
ret = -1;
}
} else {
/* Interpret the result */
if (result) {
/* Compare true */
slapi_send_ldap_result( pb, LDAP_COMPARE_TRUE, NULL, NULL, 0, NULL );
} else {
/* Compare false */
slapi_send_ldap_result( pb, LDAP_COMPARE_FALSE, NULL, NULL, 0, NULL );
}
ret = 0;
}
value_done(&compare_value);
}
cache_return( &inst->inst_cache, &e );
return( ret );
}
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