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https://git.openldap.org/openldap/openldap.git
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403f4479bc
Replace old Id as needed (back-tcl). Leave updating of contribWare to contributors (for now).
326 lines
7.1 KiB
C
326 lines
7.1 KiB
C
/* add.c - ldap bdb2 back-end add routine */
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/* $OpenLDAP$ */
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#include "portable.h"
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#include <stdio.h>
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#include <ac/socket.h>
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#include <ac/string.h>
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#include "slap.h"
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#include "back-bdb2.h"
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#include "proto-back-bdb2.h"
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static DB_LOCK lock;
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static int
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bdb2i_back_add_internal(
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BackendDB *be,
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Connection *conn,
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Operation *op,
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Entry *e
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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 *pdn;
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Entry *p = NULL;
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int rc;
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struct timeval time1;
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Debug(LDAP_DEBUG_ARGS, "==> bdb2i_back_add: %s\n", e->e_dn, 0, 0);
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if ( ( bdb2i_dn2id( be, e->e_ndn ) ) != NOID ) {
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entry_free( e );
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send_ldap_result( conn, op, LDAP_ALREADY_EXISTS,
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NULL, NULL, NULL, NULL );
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return( -1 );
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}
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if ( global_schemacheck && oc_schema_check( e ) != 0 ) {
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Debug( LDAP_DEBUG_TRACE, "entry failed schema check\n",
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0, 0, 0 );
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entry_free( e );
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send_ldap_result( conn, op, LDAP_OBJECT_CLASS_VIOLATION,
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NULL, NULL, NULL, NULL );
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return( -1 );
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}
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/*
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* Get the parent dn and see if the corresponding entry exists.
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* If the parent does not exist, only allow the "root" user to
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* add the entry.
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*/
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pdn = dn_parent( be, e->e_ndn );
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if( pdn != NULL && *pdn != '\0' ) {
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Entry *matched = NULL;
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assert( *pdn != '\0' );
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/* get parent with writer lock */
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if ( (p = bdb2i_dn2entry_w( be, pdn, &matched )) == NULL ) {
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char *matched_dn;
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struct berval **refs;
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if( matched != NULL ) {
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matched_dn = ch_strdup( matched->e_dn );
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refs = is_entry_referral( matched )
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? get_entry_referrals( be, conn, op, matched )
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: NULL;
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bdb2i_cache_return_entry_w( &li->li_cache, matched );
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} else {
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matched_dn = NULL;
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refs = default_referral;
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}
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Debug( LDAP_DEBUG_TRACE, "parent does not exist\n",
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0, 0, 0 );
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send_ldap_result( conn, op, LDAP_NO_SUCH_OBJECT,
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matched_dn, NULL, NULL, NULL );
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if ( matched != NULL ) {
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ber_bvecfree( refs );
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free( matched_dn );
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}
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entry_free( e );
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free( pdn );
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return -1;
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}
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free(pdn);
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if ( ! access_allowed( be, conn, op, p,
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"children", NULL, ACL_WRITE ) )
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{
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/* free parent and writer lock */
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bdb2i_cache_return_entry_w( &li->li_cache, p );
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Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
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0, 0 );
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send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
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NULL, NULL, NULL, NULL );
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entry_free( e );
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return -1;
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}
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if ( is_entry_alias( p ) ) {
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/* parent is an alias, don't allow add */
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/* free parent and writer lock */
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bdb2i_cache_return_entry_w( &li->li_cache, p );
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Debug( LDAP_DEBUG_TRACE, "parent is alias\n", 0,
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0, 0 );
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send_ldap_result( conn, op, LDAP_ALIAS_PROBLEM,
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NULL, NULL, NULL, NULL );
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entry_free( e );
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return -1;
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}
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if ( is_entry_referral( p ) ) {
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/* parent is an referral, don't allow add */
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char *matched_dn = ch_strdup( matched->e_dn );
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struct berval **refs = is_entry_referral( matched )
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? get_entry_referrals( be, conn, op, matched )
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: NULL;
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/* free parent and writer lock */
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bdb2i_cache_return_entry_w( &li->li_cache, p );
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Debug( LDAP_DEBUG_TRACE, "parent is referral\n", 0,
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0, 0 );
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send_ldap_result( conn, op, LDAP_REFERRAL,
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matched_dn, NULL, refs, NULL );
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ber_bvecfree( refs );
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free( matched_dn );
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entry_free( e );
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return -1;
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}
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} else {
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if(pdn != NULL) {
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assert( *pdn == '\0' );
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free(pdn);
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}
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/* no parent, must be adding entry to root */
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if ( !be_isroot( be, op->o_ndn ) && !be_issuffix(be, "") ) {
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Debug( LDAP_DEBUG_TRACE, "%s add denied\n",
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pdn == NULL ? "suffix" : "entry at root",
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0, 0 );
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send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
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NULL, NULL, NULL, NULL );
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entry_free( e );
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return -1;
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}
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}
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e->e_id = bdb2i_next_id( be );
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/*
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* Try to add the entry to the cache, assign it a new dnid.
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*/
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bdb2i_start_timing( be->bd_info, &time1 );
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rc = bdb2i_cache_add_entry_rw( &li->li_cache, e, CACHE_WRITE_LOCK );
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bdb2i_stop_timing( be->bd_info, time1, "ADD-CACHE", conn, op );
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if ( rc != 0 ) {
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if( p != NULL) {
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/* free parent and writer lock */
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bdb2i_cache_return_entry_w( &li->li_cache, p );
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}
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Debug( LDAP_DEBUG_ANY, "cache_add_entry_lock failed\n", 0, 0,
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0 );
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/* free the entry */
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entry_free( e );
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send_ldap_result( conn, op,
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rc > 0 ? LDAP_ALREADY_EXISTS : LDAP_OPERATIONS_ERROR,
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NULL, NULL, NULL, NULL );
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return( -1 );
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}
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rc = -1;
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/*
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* Add the entry to the attribute indexes, then add it to
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* the id2entry and dn2id index.
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*/
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bdb2i_start_timing( be->bd_info, &time1 );
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/* attribute indexes */
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if ( bdb2i_index_add_entry( be, e ) != 0 ) {
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Debug( LDAP_DEBUG_TRACE, "bdb2i_index_add_entry failed\n", 0,
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0, 0 );
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send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
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NULL, NULL, NULL, NULL );
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bdb2i_stop_timing( be->bd_info, time1, "ADD-INDEX", conn, op );
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goto return_results;
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}
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bdb2i_stop_timing( be->bd_info, time1, "ADD-INDEX", conn, op );
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bdb2i_start_timing( be->bd_info, &time1 );
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/* dn2id index */
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if ( bdb2i_dn2id_add( be, e->e_ndn, e->e_id ) != 0 ) {
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Debug( LDAP_DEBUG_TRACE, "bdb2i_dn2id_add failed\n", 0,
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0, 0 );
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send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
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NULL, NULL, NULL, NULL );
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bdb2i_stop_timing( be->bd_info, time1, "ADD-DN2ID", conn, op );
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goto return_results;
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}
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bdb2i_stop_timing( be->bd_info, time1, "ADD-DN2ID", conn, op );
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bdb2i_start_timing( be->bd_info, &time1 );
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/* id2entry index */
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if ( bdb2i_id2entry_add( be, e ) != 0 ) {
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Debug( LDAP_DEBUG_TRACE, "bdb2i_id2entry_add failed\n", 0,
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0, 0 );
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(void) bdb2i_dn2id_delete( be, e->e_ndn, e->e_id );
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send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
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NULL, NULL, NULL, NULL );
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bdb2i_stop_timing( be->bd_info, time1, "ADD-ID2ENTRY", conn, op );
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goto return_results;
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}
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bdb2i_stop_timing( be->bd_info, time1, "ADD-ID2ENTRY", conn, op );
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send_ldap_result( conn, op, LDAP_SUCCESS,
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NULL, NULL, NULL, NULL );
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rc = 0;
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return_results:;
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if (p != NULL) {
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/* free parent and writer lock */
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bdb2i_cache_return_entry_w( &li->li_cache, p );
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}
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if ( rc ) {
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/* free entry and writer lock */
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bdb2i_cache_return_entry_w( &li->li_cache, e );
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}
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return( rc );
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}
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int
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bdb2_back_add(
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BackendDB *be,
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Connection *conn,
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Operation *op,
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Entry *e
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)
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{
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struct ldbminfo *li = (struct ldbminfo *) be->be_private;
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struct timeval time1;
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int ret;
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bdb2i_start_timing( be->bd_info, &time1 );
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if ( bdb2i_enter_backend_w( &lock ) != 0 ) {
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send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
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NULL, NULL, NULL, NULL );
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return( -1 );
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}
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/* check, if a new default attribute index will be created,
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in which case we have to open the index file BEFORE TP */
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switch ( slapMode & SLAP_MODE ) {
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case SLAP_SERVER_MODE:
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case SLAP_TOOL_MODE:
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bdb2i_check_default_attr_index_add( li, e );
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break;
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}
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ret = bdb2i_back_add_internal( be, conn, op, e );
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/* if the operation was successful, we will delay the unlock */
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if ( ret )
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(void) bdb2i_leave_backend_w( lock );
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bdb2i_stop_timing( be->bd_info, time1, "ADD", conn, op );
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return( ret );
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}
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int
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bdb2i_release_add_lock( void )
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{
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(void) bdb2i_leave_backend_w( lock );
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return 0;
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}
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