/* add.c - ldap ldbm back-end add routine */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2004 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
#include "portable.h"
int
ldbm_back_add(
- Backend *be,
- Connection *conn,
Operation *op,
- Entry *e
-)
+ SlapReply *rs )
{
- struct ldbminfo *li = (struct ldbminfo *) be->be_private;
- char *dn, *pdn;
+ struct ldbminfo *li = (struct ldbminfo *) op->o_bd->be_private;
+ struct berval pdn;
Entry *p = NULL;
- int rootlock = 0;
- int rc = -1;
-
- dn = e->e_ndn;
+ ID id = NOID;
+ AttributeDescription *children = slap_schema.si_ad_children;
+ AttributeDescription *entry = slap_schema.si_ad_entry;
+ char textbuf[SLAP_TEXT_BUFLEN];
+ size_t textlen = sizeof textbuf;
+#ifdef LDBM_SUBENTRIES
+ int subentry;
+#endif
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACK_LDBM, ENTRY, "ldbm_back_add: %s\n",
+ op->o_req_dn.bv_val, 0, 0 );
+#else
+ Debug(LDAP_DEBUG_ARGS, "==> ldbm_back_add: %s\n",
+ op->o_req_dn.bv_val, 0, 0);
+#endif
+
+ rs->sr_err = entry_schema_check( op->o_bd, op->oq_add.rs_e, NULL,
+ &rs->sr_text, textbuf, textlen );
+
+ if ( rs->sr_err != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACK_LDBM, ERR,
+ "ldbm_back_add: entry (%s) failed schema check.\n",
+ op->o_req_dn.bv_val, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE, "entry failed schema check: %s\n",
+ rs->sr_text, 0, 0 );
+#endif
+
+ send_ldap_result( op, rs );
+ return rs->sr_err;
+ }
- Debug(LDAP_DEBUG_ARGS, "==> ldbm_back_add: %s\n", dn, 0, 0);
+#ifdef LDBM_SUBENTRIES
+ subentry = is_entry_subentry( op->oq_add.rs_e );
+#endif
+
+ if ( !access_allowed( op, op->oq_add.rs_e,
+ entry, NULL, ACL_WRITE, NULL ) )
+ {
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACK_LDBM, ERR,
+ "ldbm_back_add: No write access to entry (%s).\n",
+ op->o_req_dn.bv_val, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE, "no write access to entry\n", 0,
+ 0, 0 );
+#endif
- /* nobody else can add until we lock our parent */
- pthread_mutex_lock(&li->li_add_mutex);
+ send_ldap_error( op, rs, LDAP_INSUFFICIENT_ACCESS,
+ "no write access to entry" );
- if ( ( dn2id( be, dn ) ) != NOID ) {
- pthread_mutex_unlock(&li->li_add_mutex);
- entry_free( e );
- send_ldap_result( conn, op, LDAP_ALREADY_EXISTS, "", "" );
- return( -1 );
+ return LDAP_INSUFFICIENT_ACCESS;
}
- if ( global_schemacheck && oc_schema_check( e ) != 0 ) {
- pthread_mutex_unlock(&li->li_add_mutex);
-
- Debug( LDAP_DEBUG_TRACE, "entry failed schema check\n",
- 0, 0, 0 );
+ /* grab giant lock for writing */
+ ldap_pvt_thread_rdwr_wlock(&li->li_giant_rwlock);
- entry_free( e );
- send_ldap_result( conn, op, LDAP_OBJECT_CLASS_VIOLATION, "",
- "" );
- return( -1 );
+ rs->sr_err = dn2id( op->o_bd, &op->o_req_ndn, &id );
+ if ( rs->sr_err || id != NOID ) {
+ /* if (rs->sr_err) something bad happened to ldbm cache */
+ ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
+ rs->sr_err = rs->sr_err ? LDAP_OTHER : LDAP_ALREADY_EXISTS;
+ send_ldap_result( op, rs );
+ return rs->sr_err;
}
/*
* add the entry.
*/
- if ( (pdn = dn_parent( be, dn )) != NULL ) {
- char *matched = NULL;
+ if ( be_issuffix( op->o_bd, &op->o_req_ndn ) ) {
+ pdn = slap_empty_bv;
+ } else {
+ dnParent( &op->o_req_ndn, &pdn );
+ }
- /* get parent with writer lock */
- if ( (p = dn2entry_w( be, pdn, &matched )) == NULL ) {
- pthread_mutex_unlock(&li->li_add_mutex);
- Debug( LDAP_DEBUG_TRACE, "parent does not exist\n", 0,
- 0, 0 );
- send_ldap_result( conn, op, LDAP_NO_SUCH_OBJECT,
- matched, "" );
+ if( pdn.bv_len ) {
+ Entry *matched = NULL;
+ /* get parent with writer lock */
+ if ( (p = dn2entry_w( op->o_bd, &pdn, &matched )) == NULL ) {
if ( matched != NULL ) {
- free( matched );
+ 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 );
}
- entry_free( e );
- free( pdn );
- return -1;
+ ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACK_LDBM, ERR,
+ "ldbm_back_add: Parent of (%s) does not exist.\n",
+ op->o_req_dn.bv_val, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE, "parent does not exist\n",
+ 0, 0, 0 );
+#endif
+
+ rs->sr_text = rs->sr_ref
+ ? "parent is referral" : "parent does not exist";
+ rs->sr_err = LDAP_REFERRAL;
+ send_ldap_result( op, rs );
+
+ ber_bvarray_free( rs->sr_ref );
+ free( (char *)rs->sr_matched );
+ rs->sr_ref = NULL;
+ rs->sr_matched = NULL;
+ return rs->sr_err;
}
- /* don't need the add lock anymore */
- pthread_mutex_unlock(&li->li_add_mutex);
+ if ( ! access_allowed( op, p, children, NULL, ACL_WRITE, NULL ) ) {
+ /* free parent and writer lock */
+ cache_return_entry_w( &li->li_cache, p );
+ ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACK_LDBM, ERR,
+ "ldbm_back_add: No write access to parent (%s).\n",
+ op->o_req_dn.bv_val, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE, "no write access to parent\n", 0,
+ 0, 0 );
+#endif
- free(pdn);
+ send_ldap_error( op, rs, LDAP_INSUFFICIENT_ACCESS,
+ "no write access to parent" );
- if ( matched != NULL ) {
- free( matched );
+ return LDAP_INSUFFICIENT_ACCESS;
}
- if ( ! access_allowed( be, conn, op, p, "children", NULL,
- op->o_dn, ACL_WRITE ) )
- {
- Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
+#ifdef LDBM_SUBENTRIES
+ if ( is_entry_subentry( p )) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, DETAIL1,
+ "bdb_add: parent is subentry\n", 0, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE, "bdb_add: parent is subentry\n",
+ 0, 0, 0 );
+#endif
+ rs->sr_err = LDAP_OBJECT_CLASS_VIOLATION;
+ rs->sr_text = "parent is a subentry";
+ goto return_results;
+ }
+#endif
+
+ if ( is_entry_alias( p ) ) {
+ /* parent is an alias, don't allow add */
+
+ /* free parent and writer lock */
+ cache_return_entry_w( &li->li_cache, p );
+ ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
+
+#ifdef NEW_LOGGING
+ LDAP_LOG(BACK_LDBM, ERR,
+ "ldbm_back_add: Parent is an alias.\n", 0, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE, "parent is alias\n", 0,
0, 0 );
- send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
- "", "" );
+#endif
+
+ send_ldap_error( op, rs, LDAP_ALIAS_PROBLEM,
+ "parent is an alias" );
+
+ return LDAP_ALIAS_PROBLEM;
+ }
+
+ if ( is_entry_referral( p ) ) {
+ /* parent is a referral, don't allow add */
+ rs->sr_matched = ch_strdup( p->e_dn );
+ rs->sr_ref = is_entry_referral( p )
+ ? get_entry_referrals( op, p )
+ : NULL;
/* free parent and writer lock */
- cache_return_entry_w( &li->li_cache, p );
+ cache_return_entry_w( &li->li_cache, p );
+ ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACK_LDBM, ERR,
+ "ldbm_back_add: Parent is referral.\n", 0, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE, "parent is referral\n", 0,
+ 0, 0 );
+#endif
+ rs->sr_err = LDAP_REFERRAL;
+ send_ldap_result( op, rs );
+
+ ber_bvarray_free( rs->sr_ref );
+ free( (char *)rs->sr_matched );
+ rs->sr_ref = NULL;
+ rs->sr_matched = NULL;
+ return rs->sr_err;
+ }
- entry_free( e );
- return -1;
+#ifdef LDBM_SUBENTRIES
+ if ( subentry ) {
+ /* FIXME: */
+ /* parent must be an administrative point of the required kind */
}
+#endif
} else {
- /* no parent, must be adding entry to root */
- if ( ! be_isroot( be, op->o_dn ) ) {
- pthread_mutex_unlock(&li->li_add_mutex);
- Debug( LDAP_DEBUG_TRACE, "no parent & not root\n", 0,
- 0, 0 );
- send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
- "", "" );
+ assert( pdn.bv_val == NULL || *pdn.bv_val == '\0' );
- entry_free( e );
- return -1;
+ if ( !be_isroot( op->o_bd, &op->o_ndn )
+ && !is_entry_glue( op->oq_add.rs_e ))
+ {
+ ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACK_LDBM, ERR,
+ "ldbm_back_add: %s add denied.\n",
+ pdn.bv_val == NULL ? "suffix" : "entry at root", 0, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE, "%s add denied\n",
+ pdn.bv_val == NULL ? "suffix" : "entry at root", 0, 0 );
+#endif
+
+ send_ldap_error( op, rs, LDAP_NO_SUCH_OBJECT, NULL );
+ return LDAP_NO_SUCH_OBJECT;
}
+ }
- /*
- * no parent, acquire the root write lock
- * and release the add lock.
- */
- pthread_mutex_lock(&li->li_root_mutex);
- pthread_mutex_unlock(&li->li_add_mutex);
- rootlock=1;
+ if ( next_id( op->o_bd, &op->oq_add.rs_e->e_id ) ) {
+ if( p != NULL) {
+ /* free parent and writer lock */
+ cache_return_entry_w( &li->li_cache, p );
+ }
+
+ ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACK_LDBM, ERR,
+ "ldbm_back_add: next_id failed.\n", 0, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY, "ldbm_add: next_id failed\n",
+ 0, 0, 0 );
+#endif
+
+ send_ldap_error( op, rs, LDAP_OTHER,
+ "next_id add failed" );
+
+ return LDAP_OTHER;
}
/*
- * Try to add the entry to the cache, assign it a new dnid
- * and mark it locked. This should only fail if the entry
- * already exists.
+ * Try to add the entry to the cache, assign it a new dnid.
*/
+ rs->sr_err = cache_add_entry_rw( &li->li_cache, op->oq_add.rs_e,
+ CACHE_WRITE_LOCK );
- e->e_id = next_id( be );
- if ( cache_add_entry_lock( &li->li_cache, e, ENTRY_STATE_CREATING ) != 0 ) {
+ if ( rs->sr_err != 0 ) {
if( p != NULL) {
/* free parent and writer lock */
cache_return_entry_w( &li->li_cache, p );
- } else if ( rootlock ) {
- /* release root lock */
- pthread_mutex_unlock(&li->li_root_mutex);
}
+ ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACK_LDBM, ERR,
+ "ldbm_back_add: cache_add_entry_lock failed.\n", 0, 0, 0 );
+#else
Debug( LDAP_DEBUG_ANY, "cache_add_entry_lock failed\n", 0, 0,
0 );
- next_id_return( be, e->e_id );
-
- /* XXX this should be ok, no other thread should have access
- * because e hasn't been added to the cache yet
- */
- entry_free( e );
- send_ldap_result( conn, op, LDAP_ALREADY_EXISTS, "", "" );
- return( -1 );
- }
+#endif
- /* acquire writer lock */
- entry_rdwr_lock(e, 1);
+ rs->sr_text = rs->sr_err > 0 ? NULL : "cache add failed";
+ rs->sr_err = rs->sr_err > 0 ? LDAP_ALREADY_EXISTS : LDAP_OTHER;
+ send_ldap_result( op, rs );
- /*
- * add it to the id2children index for the parent
- */
-
- if ( id2children_add( be, p, e ) != 0 ) {
- Debug( LDAP_DEBUG_TRACE, "id2children_add failed\n", 0,
- 0, 0 );
- send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
-
- goto return_results;
+ return rs->sr_err;
}
- /*
- * Add the entry to the attribute indexes, then add it to
- * the id2children index, dn2id index, and the id2entry index.
- */
+ rs->sr_err = -1;
/* attribute indexes */
- if ( index_add_entry( be, e ) != 0 ) {
- Debug( LDAP_DEBUG_TRACE, "index_add_entry failed\n", 0,
+ if ( index_entry_add( op, op->oq_add.rs_e ) != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACK_LDBM, ERR,
+ "ldbm_back_add: index_entry_add failed.\n", 0, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE, "index_entry_add failed\n", 0,
0, 0 );
- send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
+#endif
+
+ send_ldap_error( op, rs, LDAP_OTHER,
+ "index generation failed" );
goto return_results;
}
/* dn2id index */
- if ( dn2id_add( be, dn, e->e_id ) != 0 ) {
+ if ( dn2id_add( op->o_bd, &op->oq_add.rs_e->e_nname,
+ op->oq_add.rs_e->e_id ) != 0 )
+ {
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACK_LDBM, ERR,
+ "ldbm_back_add: dn2id_add failed.\n", 0, 0, 0 );
+#else
Debug( LDAP_DEBUG_TRACE, "dn2id_add failed\n", 0,
0, 0 );
- send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
+#endif
+ /* FIXME: delete attr indices? */
+
+ send_ldap_error( op, rs, LDAP_OTHER,
+ "DN index generation failed" );
goto return_results;
}
/* id2entry index */
- if ( id2entry_add( be, e ) != 0 ) {
+ if ( id2entry_add( op->o_bd, op->oq_add.rs_e ) != 0 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACK_LDBM, ERR,
+ "ldbm_back_add: id2entry_add failed.\n", 0, 0, 0 );
+#else
Debug( LDAP_DEBUG_TRACE, "id2entry_add failed\n", 0,
0, 0 );
- (void) dn2id_delete( be, dn );
- send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
+#endif
+
+ /* FIXME: delete attr indices? */
+ (void) dn2id_delete( op->o_bd, &op->oq_add.rs_e->e_nname,
+ op->oq_add.rs_e->e_id );
+
+ send_ldap_error( op, rs, LDAP_OTHER,
+ "entry store failed" );
goto return_results;
}
- send_ldap_result( conn, op, LDAP_SUCCESS, "", "" );
- rc = 0;
+ rs->sr_err = LDAP_SUCCESS;
+ rs->sr_text = NULL;
+ send_ldap_result( op, rs );
-return_results:;
- cache_set_state( &li->li_cache, e, 0 );
+ /* marks the entry as committed, so it is added to the cache;
+ * otherwise it is removed from the cache, but not destroyed;
+ * it will be destroyed by the caller */
+ cache_entry_commit( op->oq_add.rs_e );
+return_results:;
if (p != NULL) {
/* free parent and writer lock */
cache_return_entry_w( &li->li_cache, p );
-
- } else if ( rootlock ) {
- /* release root lock */
- pthread_mutex_unlock(&li->li_root_mutex);
}
- /* free entry and writer lock */
- cache_return_entry_w( &li->li_cache, e );
+ if ( rs->sr_err ) {
+ /*
+ * in case of error, writer lock is freed
+ * and entry's private data is destroyed.
+ * otherwise, this is done when entry is released
+ */
+ cache_return_entry_w( &li->li_cache, op->oq_add.rs_e );
+ ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
+ }
- return( rc );
+ return( rs->sr_err );
}
projects / openldap / blobdiff