diff options
Diffstat (limited to 'servers/slapd/back-bdb/modrdn.c')
| -rw-r--r-- | servers/slapd/back-bdb/modrdn.c | 842 |
1 files changed, 842 insertions, 0 deletions
diff --git a/servers/slapd/back-bdb/modrdn.c b/servers/slapd/back-bdb/modrdn.c new file mode 100644 index 0000000..2e18e5e --- /dev/null +++ b/servers/slapd/back-bdb/modrdn.c @@ -0,0 +1,842 @@ +/* modrdn.c - bdb backend modrdn routine */ +/* $OpenLDAP$ */ +/* This work is part of OpenLDAP Software <http://www.openldap.org/>. + * + * Copyright 2000-2021 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" + +#include <stdio.h> +#include <ac/string.h> + +#include "back-bdb.h" + +int +bdb_modrdn( Operation *op, SlapReply *rs ) +{ + struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private; + AttributeDescription *children = slap_schema.si_ad_children; + AttributeDescription *entry = slap_schema.si_ad_entry; + struct berval p_dn, p_ndn; + struct berval new_dn = {0, NULL}, new_ndn = {0, NULL}; + Entry *e = NULL; + Entry *p = NULL; + EntryInfo *ei = NULL, *eip = NULL, *nei = NULL, *neip = NULL; + /* LDAP v2 supporting correct attribute handling. */ + char textbuf[SLAP_TEXT_BUFLEN]; + size_t textlen = sizeof textbuf; + DB_TXN *ltid = NULL, *lt2; + struct bdb_op_info opinfo = {{{ 0 }}}; + Entry dummy = {0}; + + Entry *np = NULL; /* newSuperior Entry */ + struct berval *np_dn = NULL; /* newSuperior dn */ + struct berval *np_ndn = NULL; /* newSuperior ndn */ + struct berval *new_parent_dn = NULL; /* np_dn, p_dn, or NULL */ + + int manageDSAit = get_manageDSAit( op ); + + DB_LOCK lock, plock, nplock; + + int num_retries = 0; + + LDAPControl **preread_ctrl = NULL; + LDAPControl **postread_ctrl = NULL; + LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS]; + int num_ctrls = 0; + + int rc; + + int parent_is_glue = 0; + int parent_is_leaf = 0; + +#ifdef LDAP_X_TXN + int settle = 0; +#endif + + Debug( LDAP_DEBUG_TRACE, "==>" LDAP_XSTRING(bdb_modrdn) "(%s,%s,%s)\n", + op->o_req_dn.bv_val,op->oq_modrdn.rs_newrdn.bv_val, + op->oq_modrdn.rs_newSup ? op->oq_modrdn.rs_newSup->bv_val : "NULL" ); + +#ifdef LDAP_X_TXN + if( op->o_txnSpec ) { + /* acquire connection lock */ + ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex ); + if( op->o_conn->c_txn == CONN_TXN_INACTIVE ) { + rs->sr_text = "invalid transaction identifier"; + rs->sr_err = LDAP_X_TXN_ID_INVALID; + goto txnReturn; + } else if( op->o_conn->c_txn == CONN_TXN_SETTLE ) { + settle=1; + goto txnReturn; + } + + if( op->o_conn->c_txn_backend == NULL ) { + op->o_conn->c_txn_backend = op->o_bd; + + } else if( op->o_conn->c_txn_backend != op->o_bd ) { + rs->sr_text = "transaction cannot span multiple database contexts"; + rs->sr_err = LDAP_AFFECTS_MULTIPLE_DSAS; + goto txnReturn; + } + + /* insert operation into transaction */ + + rs->sr_text = "transaction specified"; + rs->sr_err = LDAP_X_TXN_SPECIFY_OKAY; + +txnReturn: + /* release connection lock */ + ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex ); + + if( !settle ) { + send_ldap_result( op, rs ); + return rs->sr_err; + } + } +#endif + + ctrls[num_ctrls] = NULL; + + slap_mods_opattrs( op, &op->orr_modlist, 1 ); + + if( 0 ) { +retry: /* transaction retry */ + if ( dummy.e_attrs ) { + attrs_free( dummy.e_attrs ); + dummy.e_attrs = NULL; + } + if (e != NULL) { + bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e); + e = NULL; + } + if (p != NULL) { + bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p); + p = NULL; + } + if (np != NULL) { + bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, np); + np = NULL; + } + Debug( LDAP_DEBUG_TRACE, "==>" LDAP_XSTRING(bdb_modrdn) + ": retrying...\n", 0, 0, 0 ); + + rs->sr_err = TXN_ABORT( ltid ); + ltid = NULL; + LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next ); + opinfo.boi_oe.oe_key = NULL; + op->o_do_not_cache = opinfo.boi_acl_cache; + if( rs->sr_err != 0 ) { + rs->sr_err = LDAP_OTHER; + rs->sr_text = "internal error"; + goto return_results; + } + if ( op->o_abandon ) { + rs->sr_err = SLAPD_ABANDON; + goto return_results; + } + parent_is_glue = 0; + parent_is_leaf = 0; + bdb_trans_backoff( ++num_retries ); + } + + /* begin transaction */ + rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, <id, + bdb->bi_db_opflags ); + rs->sr_text = NULL; + if( rs->sr_err != 0 ) { + Debug( LDAP_DEBUG_TRACE, + LDAP_XSTRING(bdb_modrdn) ": txn_begin failed: " + "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 ); + rs->sr_err = LDAP_OTHER; + rs->sr_text = "internal error"; + goto return_results; + } + Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_modrdn) ": txn1 id: %x\n", + ltid->id(ltid), 0, 0 ); + + opinfo.boi_oe.oe_key = bdb; + opinfo.boi_txn = ltid; + opinfo.boi_err = 0; + opinfo.boi_acl_cache = op->o_do_not_cache; + LDAP_SLIST_INSERT_HEAD( &op->o_extra, &opinfo.boi_oe, oe_next ); + + /* get entry */ + rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1, + &lock ); + + switch( rs->sr_err ) { + case 0: + case DB_NOTFOUND: + break; + case DB_LOCK_DEADLOCK: + case DB_LOCK_NOTGRANTED: + goto retry; + case LDAP_BUSY: + rs->sr_text = "ldap server busy"; + goto return_results; + default: + rs->sr_err = LDAP_OTHER; + rs->sr_text = "internal error"; + goto return_results; + } + + e = ei->bei_e; + /* FIXME: dn2entry() should return non-glue entry */ + if (( rs->sr_err == DB_NOTFOUND ) || + ( !manageDSAit && e && is_entry_glue( e ))) + { + if( e != NULL ) { + rs->sr_matched = ch_strdup( e->e_dn ); + rs->sr_ref = is_entry_referral( e ) + ? get_entry_referrals( op, e ) + : NULL; + bdb_unlocked_cache_return_entry_r( &bdb->bi_cache, e); + e = NULL; + + } else { + rs->sr_ref = referral_rewrite( default_referral, NULL, + &op->o_req_dn, LDAP_SCOPE_DEFAULT ); + } + + 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; + + goto done; + } + + if ( get_assert( op ) && + ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE )) + { + rs->sr_err = LDAP_ASSERTION_FAILED; + goto return_results; + } + + /* check write on old entry */ + rs->sr_err = access_allowed( op, e, entry, NULL, ACL_WRITE, NULL ); + if ( ! rs->sr_err ) { + switch( opinfo.boi_err ) { + case DB_LOCK_DEADLOCK: + case DB_LOCK_NOTGRANTED: + goto retry; + } + + Debug( LDAP_DEBUG_TRACE, "no access to entry\n", 0, + 0, 0 ); + rs->sr_text = "no write access to old entry"; + rs->sr_err = LDAP_INSUFFICIENT_ACCESS; + goto return_results; + } + +#ifndef BDB_HIER + rs->sr_err = bdb_cache_children( op, ltid, e ); + if ( rs->sr_err != DB_NOTFOUND ) { + switch( rs->sr_err ) { + case DB_LOCK_DEADLOCK: + case DB_LOCK_NOTGRANTED: + goto retry; + case 0: + Debug(LDAP_DEBUG_ARGS, + "<=- " LDAP_XSTRING(bdb_modrdn) + ": non-leaf %s\n", + op->o_req_dn.bv_val, 0, 0); + rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF; + rs->sr_text = "subtree rename not supported"; + break; + default: + Debug(LDAP_DEBUG_ARGS, + "<=- " LDAP_XSTRING(bdb_modrdn) + ": has_children failed: %s (%d)\n", + db_strerror(rs->sr_err), rs->sr_err, 0 ); + rs->sr_err = LDAP_OTHER; + rs->sr_text = "internal error"; + } + goto return_results; + } + ei->bei_state |= CACHE_ENTRY_NO_KIDS; +#endif + + if (!manageDSAit && is_entry_referral( e ) ) { + /* parent is a referral, don't allow add */ + rs->sr_ref = get_entry_referrals( op, e ); + + Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_modrdn) + ": entry %s is referral\n", e->e_dn, 0, 0 ); + + rs->sr_err = LDAP_REFERRAL, + rs->sr_matched = e->e_name.bv_val; + send_ldap_result( op, rs ); + + ber_bvarray_free( rs->sr_ref ); + rs->sr_ref = NULL; + rs->sr_matched = NULL; + goto done; + } + + if ( be_issuffix( op->o_bd, &e->e_nname ) ) { +#ifdef BDB_MULTIPLE_SUFFIXES + /* Allow renaming one suffix entry to another */ + p_ndn = slap_empty_bv; +#else + /* There can only be one suffix entry */ + rs->sr_err = LDAP_NAMING_VIOLATION; + rs->sr_text = "cannot rename suffix entry"; + goto return_results; +#endif + } else { + dnParent( &e->e_nname, &p_ndn ); + } + np_ndn = &p_ndn; + eip = ei->bei_parent; + if ( eip && eip->bei_id ) { + /* Make sure parent entry exist and we can write its + * children. + */ + rs->sr_err = bdb_cache_find_id( op, ltid, + eip->bei_id, &eip, 0, &plock ); + + switch( rs->sr_err ) { + case 0: + case DB_NOTFOUND: + break; + case DB_LOCK_DEADLOCK: + case DB_LOCK_NOTGRANTED: + goto retry; + case LDAP_BUSY: + rs->sr_text = "ldap server busy"; + goto return_results; + default: + rs->sr_err = LDAP_OTHER; + rs->sr_text = "internal error"; + goto return_results; + } + + p = eip->bei_e; + if( p == NULL) { + Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_modrdn) + ": parent does not exist\n", 0, 0, 0); + rs->sr_err = LDAP_OTHER; + rs->sr_text = "old entry's parent does not exist"; + goto return_results; + } + } else { + p = (Entry *)&slap_entry_root; + } + + /* check parent for "children" acl */ + rs->sr_err = access_allowed( op, p, + children, NULL, + op->oq_modrdn.rs_newSup == NULL ? + ACL_WRITE : ACL_WDEL, + NULL ); + + if ( !p_ndn.bv_len ) + p = NULL; + + if ( ! rs->sr_err ) { + switch( opinfo.boi_err ) { + case DB_LOCK_DEADLOCK: + case DB_LOCK_NOTGRANTED: + goto retry; + } + + rs->sr_err = LDAP_INSUFFICIENT_ACCESS; + Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0, + 0, 0 ); + rs->sr_text = "no write access to old parent's children"; + goto return_results; + } + + Debug( LDAP_DEBUG_TRACE, + LDAP_XSTRING(bdb_modrdn) ": wr to children " + "of entry %s OK\n", p_ndn.bv_val, 0, 0 ); + + if ( p_ndn.bv_val == slap_empty_bv.bv_val ) { + p_dn = slap_empty_bv; + } else { + dnParent( &e->e_name, &p_dn ); + } + + Debug( LDAP_DEBUG_TRACE, + LDAP_XSTRING(bdb_modrdn) ": parent dn=%s\n", + p_dn.bv_val, 0, 0 ); + + new_parent_dn = &p_dn; /* New Parent unless newSuperior given */ + + if ( op->oq_modrdn.rs_newSup != NULL ) { + Debug( LDAP_DEBUG_TRACE, + LDAP_XSTRING(bdb_modrdn) + ": new parent \"%s\" requested...\n", + op->oq_modrdn.rs_newSup->bv_val, 0, 0 ); + + /* newSuperior == oldParent? */ + if( dn_match( &p_ndn, op->oq_modrdn.rs_nnewSup ) ) { + Debug( LDAP_DEBUG_TRACE, "bdb_back_modrdn: " + "new parent \"%s\" same as the old parent \"%s\"\n", + op->oq_modrdn.rs_newSup->bv_val, p_dn.bv_val, 0 ); + op->oq_modrdn.rs_newSup = NULL; /* ignore newSuperior */ + } + } + + /* There's a BDB_MULTIPLE_SUFFIXES case here that this code doesn't + * support. E.g., two suffixes dc=foo,dc=com and dc=bar,dc=net. + * We do not allow modDN + * dc=foo,dc=com + * newrdn dc=bar + * newsup dc=net + * and we probably should. But since MULTIPLE_SUFFIXES is deprecated + * I'm ignoring this problem for now. + */ + if ( op->oq_modrdn.rs_newSup != NULL ) { + if ( op->oq_modrdn.rs_newSup->bv_len ) { + np_dn = op->oq_modrdn.rs_newSup; + np_ndn = op->oq_modrdn.rs_nnewSup; + + /* newSuperior == oldParent? - checked above */ + /* newSuperior == entry being moved?, if so ==> ERROR */ + if ( dnIsSuffix( np_ndn, &e->e_nname )) { + rs->sr_err = LDAP_NO_SUCH_OBJECT; + rs->sr_text = "new superior not found"; + goto return_results; + } + /* Get Entry with dn=newSuperior. Does newSuperior exist? */ + + rs->sr_err = bdb_dn2entry( op, ltid, np_ndn, + &neip, 0, &nplock ); + + switch( rs->sr_err ) { + case 0: np = neip->bei_e; + case DB_NOTFOUND: + break; + case DB_LOCK_DEADLOCK: + case DB_LOCK_NOTGRANTED: + goto retry; + case LDAP_BUSY: + rs->sr_text = "ldap server busy"; + goto return_results; + default: + rs->sr_err = LDAP_OTHER; + rs->sr_text = "internal error"; + goto return_results; + } + + if( np == NULL) { + Debug( LDAP_DEBUG_TRACE, + LDAP_XSTRING(bdb_modrdn) + ": newSup(ndn=%s) not here!\n", + np_ndn->bv_val, 0, 0); + rs->sr_text = "new superior not found"; + rs->sr_err = LDAP_NO_SUCH_OBJECT; + goto return_results; + } + + Debug( LDAP_DEBUG_TRACE, + LDAP_XSTRING(bdb_modrdn) + ": wr to new parent OK np=%p, id=%ld\n", + (void *) np, (long) np->e_id, 0 ); + + /* check newSuperior for "children" acl */ + rs->sr_err = access_allowed( op, np, children, + NULL, ACL_WADD, NULL ); + + if( ! rs->sr_err ) { + switch( opinfo.boi_err ) { + case DB_LOCK_DEADLOCK: + case DB_LOCK_NOTGRANTED: + goto retry; + } + + Debug( LDAP_DEBUG_TRACE, + LDAP_XSTRING(bdb_modrdn) + ": no wr to newSup children\n", + 0, 0, 0 ); + rs->sr_text = "no write access to new superior's children"; + rs->sr_err = LDAP_INSUFFICIENT_ACCESS; + goto return_results; + } + + if ( is_entry_alias( np ) ) { + /* parent is an alias, don't allow add */ + Debug( LDAP_DEBUG_TRACE, + LDAP_XSTRING(bdb_modrdn) + ": entry is alias\n", + 0, 0, 0 ); + rs->sr_text = "new superior is an alias"; + rs->sr_err = LDAP_ALIAS_PROBLEM; + goto return_results; + } + + if ( is_entry_referral( np ) ) { + /* parent is a referral, don't allow add */ + Debug( LDAP_DEBUG_TRACE, + LDAP_XSTRING(bdb_modrdn) + ": entry is referral\n", + 0, 0, 0 ); + rs->sr_text = "new superior is a referral"; + rs->sr_err = LDAP_OTHER; + goto return_results; + } + + } else { + np_dn = NULL; + + /* no parent, modrdn entry directly under root */ + if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv ) + || be_isupdate( op ) ) { + np = (Entry *)&slap_entry_root; + + /* check parent for "children" acl */ + rs->sr_err = access_allowed( op, np, + children, NULL, ACL_WADD, NULL ); + + np = NULL; + + if ( ! rs->sr_err ) { + switch( opinfo.boi_err ) { + case DB_LOCK_DEADLOCK: + case DB_LOCK_NOTGRANTED: + goto retry; + } + + rs->sr_err = LDAP_INSUFFICIENT_ACCESS; + Debug( LDAP_DEBUG_TRACE, + "no access to new superior\n", + 0, 0, 0 ); + rs->sr_text = + "no write access to new superior's children"; + goto return_results; + } + } + } + + Debug( LDAP_DEBUG_TRACE, + LDAP_XSTRING(bdb_modrdn) + ": wr to new parent's children OK\n", + 0, 0, 0 ); + + new_parent_dn = np_dn; + } + + /* Build target dn and make sure target entry doesn't exist already. */ + if (!new_dn.bv_val) { + build_new_dn( &new_dn, new_parent_dn, &op->oq_modrdn.rs_newrdn, NULL ); + } + + if (!new_ndn.bv_val) { + struct berval bv = {0, NULL}; + dnNormalize( 0, NULL, NULL, &new_dn, &bv, op->o_tmpmemctx ); + ber_dupbv( &new_ndn, &bv ); + /* FIXME: why not call dnNormalize() w/o ctx? */ + op->o_tmpfree( bv.bv_val, op->o_tmpmemctx ); + } + + Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_modrdn) ": new ndn=%s\n", + new_ndn.bv_val, 0, 0 ); + + /* Shortcut the search */ + nei = neip ? neip : eip; + rs->sr_err = bdb_cache_find_ndn ( op, ltid, &new_ndn, &nei ); + if ( nei ) bdb_cache_entryinfo_unlock( nei ); + switch( rs->sr_err ) { + case DB_LOCK_DEADLOCK: + case DB_LOCK_NOTGRANTED: + goto retry; + case DB_NOTFOUND: + break; + case 0: + /* Allow rename to same DN */ + if ( nei == ei ) + break; + rs->sr_err = LDAP_ALREADY_EXISTS; + goto return_results; + default: + rs->sr_err = LDAP_OTHER; + rs->sr_text = "internal error"; + goto return_results; + } + + assert( op->orr_modlist != NULL ); + + if( op->o_preread ) { + if( preread_ctrl == NULL ) { + preread_ctrl = &ctrls[num_ctrls++]; + ctrls[num_ctrls] = NULL; + } + if( slap_read_controls( op, rs, e, + &slap_pre_read_bv, preread_ctrl ) ) + { + Debug( LDAP_DEBUG_TRACE, + "<=- " LDAP_XSTRING(bdb_modrdn) + ": pre-read failed!\n", 0, 0, 0 ); + if ( op->o_preread & SLAP_CONTROL_CRITICAL ) { + /* FIXME: is it correct to abort + * operation if control fails? */ + goto return_results; + } + } + } + + /* nested transaction */ + rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, <2, bdb->bi_db_opflags ); + rs->sr_text = NULL; + if( rs->sr_err != 0 ) { + Debug( LDAP_DEBUG_TRACE, + LDAP_XSTRING(bdb_modrdn) + ": txn_begin(2) failed: %s (%d)\n", + db_strerror(rs->sr_err), rs->sr_err, 0 ); + rs->sr_err = LDAP_OTHER; + rs->sr_text = "internal error"; + goto return_results; + } + Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_modrdn) ": txn2 id: %x\n", + lt2->id(lt2), 0, 0 ); + + /* delete old DN */ + rs->sr_err = bdb_dn2id_delete( op, lt2, eip, e ); + if ( rs->sr_err != 0 ) { + Debug(LDAP_DEBUG_TRACE, + "<=- " LDAP_XSTRING(bdb_modrdn) + ": dn2id del failed: %s (%d)\n", + db_strerror(rs->sr_err), rs->sr_err, 0 ); + switch( rs->sr_err ) { + case DB_LOCK_DEADLOCK: + case DB_LOCK_NOTGRANTED: + goto retry; + } + rs->sr_err = LDAP_OTHER; + rs->sr_text = "DN index delete fail"; + goto return_results; + } + + /* copy the entry, then override some fields */ + dummy = *e; + dummy.e_name = new_dn; + dummy.e_nname = new_ndn; + dummy.e_attrs = NULL; + + /* add new DN */ + rs->sr_err = bdb_dn2id_add( op, lt2, neip ? neip : eip, &dummy ); + if ( rs->sr_err != 0 ) { + Debug(LDAP_DEBUG_TRACE, + "<=- " LDAP_XSTRING(bdb_modrdn) + ": dn2id add failed: %s (%d)\n", + db_strerror(rs->sr_err), rs->sr_err, 0 ); + switch( rs->sr_err ) { + case DB_LOCK_DEADLOCK: + case DB_LOCK_NOTGRANTED: + goto retry; + } + rs->sr_err = LDAP_OTHER; + rs->sr_text = "DN index add failed"; + goto return_results; + } + + dummy.e_attrs = e->e_attrs; + + /* modify entry */ + rs->sr_err = bdb_modify_internal( op, lt2, op->orr_modlist, &dummy, + &rs->sr_text, textbuf, textlen ); + if( rs->sr_err != LDAP_SUCCESS ) { + Debug(LDAP_DEBUG_TRACE, + "<=- " LDAP_XSTRING(bdb_modrdn) + ": modify failed: %s (%d)\n", + db_strerror(rs->sr_err), rs->sr_err, 0 ); + if ( ( rs->sr_err == LDAP_INSUFFICIENT_ACCESS ) && opinfo.boi_err ) { + rs->sr_err = opinfo.boi_err; + } + if ( dummy.e_attrs == e->e_attrs ) dummy.e_attrs = NULL; + switch( rs->sr_err ) { + case DB_LOCK_DEADLOCK: + case DB_LOCK_NOTGRANTED: + goto retry; + } + goto return_results; + } + + /* id2entry index */ + rs->sr_err = bdb_id2entry_update( op->o_bd, lt2, &dummy ); + if ( rs->sr_err != 0 ) { + Debug(LDAP_DEBUG_TRACE, + "<=- " LDAP_XSTRING(bdb_modrdn) + ": id2entry failed: %s (%d)\n", + db_strerror(rs->sr_err), rs->sr_err, 0 ); + switch( rs->sr_err ) { + case DB_LOCK_DEADLOCK: + case DB_LOCK_NOTGRANTED: + goto retry; + } + rs->sr_err = LDAP_OTHER; + rs->sr_text = "entry update failed"; + goto return_results; + } + + if ( p_ndn.bv_len != 0 ) { + parent_is_glue = is_entry_glue(p); + rs->sr_err = bdb_cache_children( op, lt2, p ); + if ( rs->sr_err != DB_NOTFOUND ) { + switch( rs->sr_err ) { + case DB_LOCK_DEADLOCK: + case DB_LOCK_NOTGRANTED: + goto retry; + case 0: + break; + default: + Debug(LDAP_DEBUG_ARGS, + "<=- " LDAP_XSTRING(bdb_modrdn) + ": has_children failed: %s (%d)\n", + db_strerror(rs->sr_err), rs->sr_err, 0 ); + rs->sr_err = LDAP_OTHER; + rs->sr_text = "internal error"; + goto return_results; + } + parent_is_leaf = 1; + } + bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p); + p = NULL; + } + + if ( TXN_COMMIT( lt2, 0 ) != 0 ) { + rs->sr_err = LDAP_OTHER; + rs->sr_text = "txn_commit(2) failed"; + goto return_results; + } + + if( op->o_postread ) { + if( postread_ctrl == NULL ) { + postread_ctrl = &ctrls[num_ctrls++]; + ctrls[num_ctrls] = NULL; + } + if( slap_read_controls( op, rs, &dummy, + &slap_post_read_bv, postread_ctrl ) ) + { + Debug( LDAP_DEBUG_TRACE, + "<=- " LDAP_XSTRING(bdb_modrdn) + ": post-read failed!\n", 0, 0, 0 ); + if ( op->o_postread & SLAP_CONTROL_CRITICAL ) { + /* FIXME: is it correct to abort + * operation if control fails? */ + goto return_results; + } + } + } + + if( op->o_noop ) { + if(( rs->sr_err=TXN_ABORT( ltid )) != 0 ) { + rs->sr_text = "txn_abort (no-op) failed"; + } else { + rs->sr_err = LDAP_X_NO_OPERATION; + ltid = NULL; + /* Only free attrs if they were dup'd. */ + if ( dummy.e_attrs == e->e_attrs ) dummy.e_attrs = NULL; + goto return_results; + } + + } else { + rc = bdb_cache_modrdn( bdb, e, &op->orr_nnewrdn, &dummy, neip, + ltid, &lock ); + switch( rc ) { + case DB_LOCK_DEADLOCK: + case DB_LOCK_NOTGRANTED: + goto retry; + } + dummy.e_attrs = NULL; + new_dn.bv_val = NULL; + new_ndn.bv_val = NULL; + + if(( rs->sr_err=TXN_COMMIT( ltid, 0 )) != 0 ) { + rs->sr_text = "txn_commit failed"; + } else { + rs->sr_err = LDAP_SUCCESS; + } + } + + ltid = NULL; + LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next ); + opinfo.boi_oe.oe_key = NULL; + + if( rs->sr_err != LDAP_SUCCESS ) { + Debug( LDAP_DEBUG_TRACE, + LDAP_XSTRING(bdb_modrdn) ": %s : %s (%d)\n", + rs->sr_text, db_strerror(rs->sr_err), rs->sr_err ); + rs->sr_err = LDAP_OTHER; + + goto return_results; + } + + Debug(LDAP_DEBUG_TRACE, + LDAP_XSTRING(bdb_modrdn) + ": rdn modified%s id=%08lx dn=\"%s\"\n", + op->o_noop ? " (no-op)" : "", + dummy.e_id, op->o_req_dn.bv_val ); + rs->sr_text = NULL; + if( num_ctrls ) rs->sr_ctrls = ctrls; + +return_results: + if ( dummy.e_attrs ) { + attrs_free( dummy.e_attrs ); + } + send_ldap_result( op, rs ); + + if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp_kbyte ) { + TXN_CHECKPOINT( bdb->bi_dbenv, + bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 ); + } + + if ( rs->sr_err == LDAP_SUCCESS && parent_is_glue && parent_is_leaf ) { + op->o_delete_glue_parent = 1; + } + +done: + slap_graduate_commit_csn( op ); + + if( new_dn.bv_val != NULL ) free( new_dn.bv_val ); + if( new_ndn.bv_val != NULL ) free( new_ndn.bv_val ); + + /* LDAP v3 Support */ + if( np != NULL ) { + /* free new parent and reader lock */ + bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, np); + } + + if( p != NULL ) { + /* free parent and reader lock */ + bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p); + } + + /* free entry */ + if( e != NULL ) { + bdb_unlocked_cache_return_entry_w( &bdb->bi_cache, e); + } + + if( ltid != NULL ) { + TXN_ABORT( ltid ); + } + if ( opinfo.boi_oe.oe_key ) { + LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next ); + } + + if( preread_ctrl != NULL && (*preread_ctrl) != NULL ) { + slap_sl_free( (*preread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx ); + slap_sl_free( *preread_ctrl, op->o_tmpmemctx ); + } + if( postread_ctrl != NULL && (*postread_ctrl) != NULL ) { + slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx ); + slap_sl_free( *postread_ctrl, op->o_tmpmemctx ); + } + return rs->sr_err; +} |