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https://git.openldap.org/openldap/openldap.git
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112 lines
2.7 KiB
C
112 lines
2.7 KiB
C
/* delete.c - ldbm backend delete routine */
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#include "portable.h"
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#include <stdio.h>
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#include <ac/string.h>
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#include <ac/socket.h>
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#include "slap.h"
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#include "back-ldbm.h"
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#include "proto-back-ldbm.h"
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int
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ldbm_back_delete(
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Backend *be,
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Connection *conn,
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Operation *op,
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char *dn
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)
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{
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struct ldbminfo *li = (struct ldbminfo *) be->be_private;
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char *matched = NULL;
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char *pdn = NULL;
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Entry *e, *p;
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Debug(LDAP_DEBUG_ARGS, "==> ldbm_back_delete: %s\n", dn, 0, 0);
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/* get entry with writer lock */
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if ( (e = dn2entry_w( be, dn, &matched )) == NULL ) {
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Debug(LDAP_DEBUG_ARGS, "<=- ldbm_back_delete: no such object %s\n",
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dn, 0, 0);
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send_ldap_result( conn, op, LDAP_NO_SUCH_OBJECT, matched, "" );
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if ( matched != NULL ) {
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free( matched );
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}
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return( -1 );
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}
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Debug (LDAP_DEBUG_TRACE,
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"rdwr_Xchk: readers_reading: %d writer_writing: %d\n",
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e->e_rdwr.readers_reading, e->e_rdwr.writer_writing, 0);
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/* check for deleted */
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if ( has_children( be, e ) ) {
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Debug(LDAP_DEBUG_ARGS, "<=- ldbm_back_delete: non leaf %s\n",
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dn, 0, 0);
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send_ldap_result( conn, op, LDAP_NOT_ALLOWED_ON_NONLEAF, "",
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"" );
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goto error_return;
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}
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if ( ! access_allowed( be, conn, op, e, "entry", NULL, op->o_dn,
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ACL_WRITE ) ) {
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Debug(LDAP_DEBUG_ARGS,
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"<=- ldbm_back_delete: insufficient access %s\n",
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dn, 0, 0);
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send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS, "", "" );
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goto error_return;
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}
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Debug (LDAP_DEBUG_TRACE,
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"rdwr_Xchk: readers_reading: %d writer_writing: %d\n",
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e->e_rdwr.readers_reading, e->e_rdwr.writer_writing, 0);
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/* XXX delete from parent's id2children entry XXX */
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pdn = dn_parent( be, dn );
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matched = NULL;
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p = dn2entry_r( be, pdn, &matched );
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if ( id2children_remove( be, p, e ) != 0 ) {
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send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "","" );
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goto error_return;
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}
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/* delete from dn2id mapping */
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if ( dn2id_delete( be, e->e_dn ) != 0 ) {
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Debug(LDAP_DEBUG_ARGS,
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"<=- ldbm_back_delete: operations error %s\n",
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dn, 0, 0);
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send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
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goto error_return;
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}
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/* delete from disk and cache */
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if ( id2entry_delete( be, e ) != 0 ) {
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Debug(LDAP_DEBUG_ARGS,
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"<=- ldbm_back_delete: operations error %s\n",
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dn, 0, 0);
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send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
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goto error_return;
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}
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/* free entry and writer lock */
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cache_return_entry_w( &li->li_cache, e );
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if ( p )
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cache_return_entry_r( &li->li_cache, p );
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send_ldap_result( conn, op, LDAP_SUCCESS, "", "" );
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return( 0 );
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error_return:;
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/* free entry and writer lock */
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cache_return_entry_w( &li->li_cache, e );
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if( p )
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cache_return_entry_r( &li->li_cache, p );
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return( -1 );
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}
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