#include "portable.h"
#include <stdio.h>
#include <ac/string.h>
#include <ac/socket.h>
#include "slap.h"
#include "back-ldbm.h"
#include "proto-back-ldbm.h"
#include "lutil.h"
int
ldbm_back_delete(
Operation *op,
SlapReply *rs )
{
struct ldbminfo *li = (struct ldbminfo *) op->o_bd->be_private;
Entry *matched;
struct berval pdn;
Entry *e, *p = NULL;
int rc = -1;
int manageDSAit = get_manageDSAit( op );
AttributeDescription *children = slap_schema.si_ad_children;
AttributeDescription *entry = slap_schema.si_ad_entry;
Debug(LDAP_DEBUG_ARGS, "==> ldbm_back_delete: %s\n", op->o_req_dn.bv_val, 0, 0);
ldap_pvt_thread_rdwr_wlock(&li->li_giant_rwlock);
if ( BER_BVISEMPTY( &op->o_csn )) {
struct berval csn;
char csnbuf[LDAP_LUTIL_CSNSTR_BUFSIZE];
csn.bv_val = csnbuf;
csn.bv_len = sizeof(csnbuf);
slap_get_csn( op, &csn, 1 );
}
e = dn2entry_w( op->o_bd, &op->o_req_ndn, &matched );
if ( e == NULL || ( !manageDSAit && is_entry_glue( e ))) {
Debug(LDAP_DEBUG_ARGS, "<=- ldbm_back_delete: no such object %s\n",
op->o_req_dn.bv_val, 0, 0);
if ( matched != NULL ) {
rs->sr_matched = ch_strdup( matched->e_dn );
rs->sr_ref = is_entry_referral( matched )
? get_entry_referrals( op, matched )
: NULL;
cache_return_entry_r( &li->li_cache, matched );
} else {
rs->sr_ref = referral_rewrite( default_referral, NULL,
&op->o_req_dn, LDAP_SCOPE_DEFAULT );
}
rs->sr_err = LDAP_REFERRAL;
rs->sr_flags |= REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
goto return_results;
}
if ( ! access_allowed( op, e, entry, NULL, ACL_WDEL, NULL ) )
{
Debug( LDAP_DEBUG_TRACE,
"<=- ldbm_back_delete: no write access to entry\n", 0,
0, 0 );
rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
rs->sr_text = "no write access to entry";
goto return_results;
}
if ( !manageDSAit && is_entry_referral( e ) ) {
rs->sr_ref = get_entry_referrals( op, e );
Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
0, 0 );
rs->sr_err = LDAP_REFERRAL;
rs->sr_matched = ch_strdup( e->e_name.bv_val );
rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
goto return_results;
}
if ( has_children( op->o_bd, e ) ) {
Debug(LDAP_DEBUG_ARGS, "<=- ldbm_back_delete: non leaf %s\n",
op->o_req_dn.bv_val, 0, 0);
rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
rs->sr_text = "subordinate objects must be deleted first";
goto return_results;
}
if( !be_issuffix( op->o_bd, &e->e_nname ) && (dnParent( &e->e_nname, &pdn ),
pdn.bv_len) ) {
if( (p = dn2entry_w( op->o_bd, &pdn, NULL )) == NULL) {
Debug( LDAP_DEBUG_TRACE,
"<=- ldbm_back_delete: parent does not exist\n",
0, 0, 0);
rs->sr_err = LDAP_OTHER;
rs->sr_text = "could not locate parent of entry";
goto return_results;
}
if ( ! access_allowed( op, p,
children, NULL, ACL_WDEL, NULL ) )
{
Debug( LDAP_DEBUG_TRACE,
"<=- ldbm_back_delete: no access to parent\n", 0,
0, 0 );
rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
rs->sr_text = "no write access to parent";
goto return_results;
}
} else {
if( ! be_isroot( op ) ) {
if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv )
|| be_shadow_update( op ) ) {
p = (Entry *)&slap_entry_root;
rc = access_allowed( op, p,
children, NULL, ACL_WDEL, NULL );
p = NULL;
if ( ! rc ) {
Debug( LDAP_DEBUG_TRACE,
"<=- ldbm_back_delete: no "
"access to parent\n", 0, 0, 0 );
rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
rs->sr_text = "no write access to parent";
goto return_results;
}
} else {
Debug( LDAP_DEBUG_TRACE,
"<=- ldbm_back_delete: no parent & "
"not root\n", 0, 0, 0);
rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
goto return_results;
}
}
}
if ( dn2id_delete( op->o_bd, &e->e_nname, e->e_id ) != 0 ) {
Debug(LDAP_DEBUG_ARGS,
"<=- ldbm_back_delete: operations error %s\n",
op->o_req_dn.bv_val, 0, 0);
rs->sr_err = LDAP_OTHER;
rs->sr_text = "DN index delete failed";
goto return_results;
}
if ( id2entry_delete( op->o_bd, e ) != 0 ) {
Debug(LDAP_DEBUG_ARGS,
"<=- ldbm_back_delete: operations error %s\n",
op->o_req_dn.bv_val, 0, 0);
rs->sr_err = LDAP_OTHER;
rs->sr_text = "entry delete failed";
goto return_results;
}
(void) index_entry_del( op, e );
rs->sr_err = LDAP_SUCCESS;
return_results:;
rc = rs->sr_err;
if( p != NULL ) {
cache_return_entry_w( &li->li_cache, p );
}
if ( e != NULL ) {
cache_return_entry_w( &li->li_cache, e );
}
ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
send_ldap_result( op, rs );
slap_graduate_commit_csn( op );
return rc;
}