Adding upstream version 2.4.47+dfsg.upstream/2.4.47+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 529 insertions, 0 deletions

diff --git a/servers/slapd/back-sql/modrdn.c b/servers/slapd/back-sql/modrdn.c
new file mode 100644
index 0000000..89c4165
--- /dev/null
+++ b/servers/slapd/back-sql/modrdn.c
@@ -0,0 +1,529 @@
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1999-2018 The OpenLDAP Foundation.
+ * Portions Copyright 1999 Dmitry Kovalev.
+ * Portions Copyright 2002 Pierangelo Masarati.
+ * 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>.
+ */
+/* ACKNOWLEDGEMENTS:
+ * This work was initially developed by Dmitry Kovalev for inclusion
+ * by OpenLDAP Software.  Additional significant contributors include
+ * Pierangelo Masarati.
+ */
+
+#include "portable.h"
+
+#include <stdio.h>
+#include <sys/types.h>
+#include "ac/string.h"
+
+#include "slap.h"
+#include "proto-sql.h"
+
+int
+backsql_modrdn( Operation *op, SlapReply *rs )
+{
+	backsql_info		*bi = (backsql_info*)op->o_bd->be_private;
+	SQLHDBC			dbh = SQL_NULL_HDBC;
+	SQLHSTMT		sth = SQL_NULL_HSTMT;
+	RETCODE			rc;
+	backsql_entryID		e_id = BACKSQL_ENTRYID_INIT,
+				n_id = BACKSQL_ENTRYID_INIT;
+	backsql_srch_info	bsi = { 0 };
+	backsql_oc_map_rec	*oc = NULL;
+	struct berval		pdn = BER_BVNULL, pndn = BER_BVNULL,
+				*new_pdn = NULL, *new_npdn = NULL,
+				new_dn = BER_BVNULL, new_ndn = BER_BVNULL,
+				realnew_dn = BER_BVNULL;
+	Entry			r = { 0 },
+				p = { 0 },
+				n = { 0 },
+				*e = NULL;
+	int			manageDSAit = get_manageDSAit( op );
+	struct berval		*newSuperior = op->oq_modrdn.rs_newSup;
+ 
+	Debug( LDAP_DEBUG_TRACE, "==>backsql_modrdn() renaming entry \"%s\", "
+			"newrdn=\"%s\", newSuperior=\"%s\"\n",
+			op->o_req_dn.bv_val, op->oq_modrdn.rs_newrdn.bv_val, 
+			newSuperior ? newSuperior->bv_val : "(NULL)" );
+
+	rs->sr_err = backsql_get_db_conn( op, &dbh );
+	if ( rs->sr_err != LDAP_SUCCESS ) {
+		Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
+			"could not get connection handle - exiting\n", 
+			0, 0, 0 );
+		rs->sr_text = ( rs->sr_err == LDAP_OTHER )
+			?  "SQL-backend error" : NULL;
+		e = NULL;
+		goto done;
+	}
+
+	bsi.bsi_e = &r;
+	rs->sr_err = backsql_init_search( &bsi, &op->o_req_ndn,
+			LDAP_SCOPE_BASE, 
+			(time_t)(-1), NULL, dbh, op, rs,
+			slap_anlist_all_attributes,
+			( BACKSQL_ISF_MATCHED | BACKSQL_ISF_GET_ENTRY | BACKSQL_ISF_GET_OC ) );
+	switch ( rs->sr_err ) {
+	case LDAP_SUCCESS:
+		break;
+
+	case LDAP_REFERRAL:
+		if ( manageDSAit && !BER_BVISNULL( &bsi.bsi_e->e_nname ) &&
+				dn_match( &op->o_req_ndn, &bsi.bsi_e->e_nname ) )
+		{
+			rs->sr_err = LDAP_SUCCESS;
+			rs->sr_text = NULL;
+			rs->sr_matched = NULL;
+			if ( rs->sr_ref ) {
+				ber_bvarray_free( rs->sr_ref );
+				rs->sr_ref = NULL;
+			}
+			break;
+		}
+		e = &r;
+		/* fallthru */
+
+	default:
+		Debug( LDAP_DEBUG_TRACE, "backsql_modrdn(): "
+			"could not retrieve modrdnDN ID - no such entry\n", 
+			0, 0, 0 );
+		if ( !BER_BVISNULL( &r.e_nname ) ) {
+			/* FIXME: should always be true! */
+			e = &r;
+
+		} else {
+			e = NULL;
+		}
+		goto done;
+	}
+
+	Debug( LDAP_DEBUG_TRACE,
+		"   backsql_modrdn(): entry id=" BACKSQL_IDFMT "\n",
+		BACKSQL_IDARG(e_id.eid_id), 0, 0 );
+
+	if ( get_assert( op ) &&
+			( test_filter( op, &r, get_assertion( op ) )
+			  != LDAP_COMPARE_TRUE ) )
+	{
+		rs->sr_err = LDAP_ASSERTION_FAILED;
+		e = &r;
+		goto done;
+	}
+
+	if ( backsql_has_children( op, dbh, &op->o_req_ndn ) == LDAP_COMPARE_TRUE ) {
+		Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
+			"entry \"%s\" has children\n",
+			op->o_req_dn.bv_val, 0, 0 );
+		rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
+		rs->sr_text = "subtree rename not supported";
+		e = &r;
+		goto done;
+	}
+
+	/*
+	 * Check for entry access to target
+	 */
+	if ( !access_allowed( op, &r, slap_schema.si_ad_entry, 
+				NULL, ACL_WRITE, NULL ) ) {
+		Debug( LDAP_DEBUG_TRACE, "   no access to entry\n", 0, 0, 0 );
+		rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
+		goto done;
+	}
+
+	dnParent( &op->o_req_dn, &pdn );
+	dnParent( &op->o_req_ndn, &pndn );
+
+	/*
+	 * namingContext "" is not supported
+	 */
+	if ( BER_BVISEMPTY( &pdn ) ) {
+		Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
+			"parent is \"\" - aborting\n", 0, 0, 0 );
+		rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
+		rs->sr_text = "not allowed within namingContext";
+		e = NULL;
+		goto done;
+	}
+
+	/*
+	 * Check for children access to parent
+	 */
+	bsi.bsi_e = &p;
+	e_id = bsi.bsi_base_id;
+	memset( &bsi.bsi_base_id, 0, sizeof( bsi.bsi_base_id ) );
+	rs->sr_err = backsql_init_search( &bsi, &pndn,
+			LDAP_SCOPE_BASE, 
+			(time_t)(-1), NULL, dbh, op, rs,
+			slap_anlist_all_attributes,
+			BACKSQL_ISF_GET_ENTRY );
+
+	Debug( LDAP_DEBUG_TRACE,
+		"   backsql_modrdn(): old parent entry id is " BACKSQL_IDFMT "\n",
+		BACKSQL_IDARG(bsi.bsi_base_id.eid_id), 0, 0 );
+
+	if ( rs->sr_err != LDAP_SUCCESS ) {
+		Debug( LDAP_DEBUG_TRACE, "backsql_modrdn(): "
+			"could not retrieve renameDN ID - no such entry\n", 
+			0, 0, 0 );
+		e = &p;
+		goto done;
+	}
+
+	if ( !access_allowed( op, &p, slap_schema.si_ad_children, NULL,
+			newSuperior ? ACL_WDEL : ACL_WRITE, NULL ) )
+	{
+		Debug( LDAP_DEBUG_TRACE, "   no access to parent\n", 0, 0, 0 );
+		rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
+		goto done;
+	}
+
+	if ( newSuperior ) {
+		(void)backsql_free_entryID( &bsi.bsi_base_id, 0, op->o_tmpmemctx );
+		
+		/*
+		 * namingContext "" is not supported
+		 */
+		if ( BER_BVISEMPTY( newSuperior ) ) {
+			Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
+				"newSuperior is \"\" - aborting\n", 0, 0, 0 );
+			rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
+			rs->sr_text = "not allowed within namingContext";
+			e = NULL;
+			goto done;
+		}
+
+		new_pdn = newSuperior;
+		new_npdn = op->oq_modrdn.rs_nnewSup;
+
+		/*
+		 * Check for children access to new parent
+		 */
+		bsi.bsi_e = &n;
+		rs->sr_err = backsql_init_search( &bsi, new_npdn,
+				LDAP_SCOPE_BASE, 
+				(time_t)(-1), NULL, dbh, op, rs,
+				slap_anlist_all_attributes,
+				( BACKSQL_ISF_MATCHED | BACKSQL_ISF_GET_ENTRY ) );
+		if ( rs->sr_err != LDAP_SUCCESS ) {
+			Debug( LDAP_DEBUG_TRACE, "backsql_modrdn(): "
+				"could not retrieve renameDN ID - no such entry\n", 
+				0, 0, 0 );
+			e = &n;
+			goto done;
+		}
+
+		n_id = bsi.bsi_base_id;
+
+		Debug( LDAP_DEBUG_TRACE,
+			"   backsql_modrdn(): new parent entry id=" BACKSQL_IDFMT "\n",
+			BACKSQL_IDARG(n_id.eid_id), 0, 0 );
+
+		if ( !access_allowed( op, &n, slap_schema.si_ad_children, 
+					NULL, ACL_WADD, NULL ) ) {
+			Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
+					"no access to new parent \"%s\"\n", 
+					new_pdn->bv_val, 0, 0 );
+			rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
+			e = &n;
+			goto done;
+		}
+
+	} else {
+		n_id = bsi.bsi_base_id;
+		new_pdn = &pdn;
+		new_npdn = &pndn;
+	}
+
+	memset( &bsi.bsi_base_id, 0, sizeof( bsi.bsi_base_id ) );
+
+	if ( newSuperior && dn_match( &pndn, new_npdn ) ) {
+		Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
+			"newSuperior is equal to old parent - ignored\n",
+			0, 0, 0 );
+		newSuperior = NULL;
+	}
+
+	if ( newSuperior && dn_match( &op->o_req_ndn, new_npdn ) ) {
+		Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
+			"newSuperior is equal to entry being moved "
+			"- aborting\n", 0, 0, 0 );
+		rs->sr_err = LDAP_OTHER;
+		rs->sr_text = "newSuperior is equal to old DN";
+		e = &r;
+		goto done;
+	}
+
+	build_new_dn( &new_dn, new_pdn, &op->oq_modrdn.rs_newrdn,
+			op->o_tmpmemctx );
+	build_new_dn( &new_ndn, new_npdn, &op->oq_modrdn.rs_nnewrdn,
+			op->o_tmpmemctx );
+	
+	Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): new entry dn is \"%s\"\n",
+			new_dn.bv_val, 0, 0 );
+
+	realnew_dn = new_dn;
+	if ( backsql_api_dn2odbc( op, rs, &realnew_dn ) ) {
+		Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(\"%s\"): "
+			"backsql_api_dn2odbc(\"%s\") failed\n", 
+			op->o_req_dn.bv_val, realnew_dn.bv_val, 0 );
+		SQLFreeStmt( sth, SQL_DROP );
+
+		rs->sr_text = "SQL-backend error";
+		rs->sr_err = LDAP_OTHER;
+		e = NULL;
+		goto done;
+	}
+
+	Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
+		"executing renentry_stmt\n", 0, 0, 0 );
+
+	rc = backsql_Prepare( dbh, &sth, bi->sql_renentry_stmt, 0 );
+	if ( rc != SQL_SUCCESS ) {
+		Debug( LDAP_DEBUG_TRACE,
+			"   backsql_modrdn(): "
+			"error preparing renentry_stmt\n", 0, 0, 0 );
+		backsql_PrintErrors( bi->sql_db_env, dbh, 
+				sth, rc );
+
+		rs->sr_text = "SQL-backend error";
+		rs->sr_err = LDAP_OTHER;
+		e = NULL;
+		goto done;
+	}
+
+	rc = backsql_BindParamBerVal( sth, 1, SQL_PARAM_INPUT, &realnew_dn );
+	if ( rc != SQL_SUCCESS ) {
+		Debug( LDAP_DEBUG_TRACE,
+			"   backsql_modrdn(): "
+			"error binding DN parameter for objectClass %s\n",
+			oc->bom_oc->soc_cname.bv_val, 0, 0 );
+		backsql_PrintErrors( bi->sql_db_env, dbh, 
+			sth, rc );
+		SQLFreeStmt( sth, SQL_DROP );
+
+		rs->sr_text = "SQL-backend error";
+		rs->sr_err = LDAP_OTHER;
+		e = NULL;
+		goto done;
+	}
+
+	rc = backsql_BindParamID( sth, 2, SQL_PARAM_INPUT, &n_id.eid_id );
+	if ( rc != SQL_SUCCESS ) {
+		Debug( LDAP_DEBUG_TRACE,
+			"   backsql_modrdn(): "
+			"error binding parent ID parameter for objectClass %s\n",
+			oc->bom_oc->soc_cname.bv_val, 0, 0 );
+		backsql_PrintErrors( bi->sql_db_env, dbh, 
+			sth, rc );
+		SQLFreeStmt( sth, SQL_DROP );
+
+		rs->sr_text = "SQL-backend error";
+		rs->sr_err = LDAP_OTHER;
+		e = NULL;
+		goto done;
+	}
+
+	rc = backsql_BindParamID( sth, 3, SQL_PARAM_INPUT, &e_id.eid_keyval );
+	if ( rc != SQL_SUCCESS ) {
+		Debug( LDAP_DEBUG_TRACE,
+			"   backsql_modrdn(): "
+			"error binding entry ID parameter for objectClass %s\n",
+			oc->bom_oc->soc_cname.bv_val, 0, 0 );
+		backsql_PrintErrors( bi->sql_db_env, dbh, 
+			sth, rc );
+		SQLFreeStmt( sth, SQL_DROP );
+
+		rs->sr_text = "SQL-backend error";
+		rs->sr_err = LDAP_OTHER;
+		e = NULL;
+		goto done;
+	}
+
+	rc = backsql_BindParamID( sth, 4, SQL_PARAM_INPUT, &e_id.eid_id );
+	if ( rc != SQL_SUCCESS ) {
+		Debug( LDAP_DEBUG_TRACE,
+			"   backsql_modrdn(): "
+			"error binding ID parameter for objectClass %s\n",
+			oc->bom_oc->soc_cname.bv_val, 0, 0 );
+		backsql_PrintErrors( bi->sql_db_env, dbh, 
+			sth, rc );
+		SQLFreeStmt( sth, SQL_DROP );
+
+		rs->sr_text = "SQL-backend error";
+		rs->sr_err = LDAP_OTHER;
+		e = NULL;
+		goto done;
+	}
+
+	rc = SQLExecute( sth );
+	if ( rc != SQL_SUCCESS ) {
+		Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(): "
+			"could not rename ldap_entries record\n", 0, 0, 0 );
+		backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
+		SQLFreeStmt( sth, SQL_DROP );
+		rs->sr_err = LDAP_OTHER;
+		rs->sr_text = "SQL-backend error";
+		e = NULL;
+		goto done;
+	}
+	SQLFreeStmt( sth, SQL_DROP );
+
+	assert( op->orr_modlist != NULL );
+
+	slap_mods_opattrs( op, &op->orr_modlist, 1 );
+
+	assert( e_id.eid_oc != NULL );
+	oc = e_id.eid_oc;
+	rs->sr_err = backsql_modify_internal( op, rs, dbh, oc, &e_id, op->orr_modlist );
+	slap_graduate_commit_csn( op );
+	if ( rs->sr_err != LDAP_SUCCESS ) {
+		e = &r;
+		goto done;
+	}
+
+	if ( BACKSQL_CHECK_SCHEMA( bi ) ) {
+		char		textbuf[ SLAP_TEXT_BUFLEN ] = { '\0' };
+
+		backsql_entry_clean( op, &r );
+		(void)backsql_free_entryID( &e_id, 0, op->o_tmpmemctx );
+
+		bsi.bsi_e = &r;
+		rs->sr_err = backsql_init_search( &bsi, &new_ndn,
+				LDAP_SCOPE_BASE, 
+				(time_t)(-1), NULL, dbh, op, rs,
+				slap_anlist_all_attributes,
+				( BACKSQL_ISF_MATCHED | BACKSQL_ISF_GET_ENTRY ) );
+		switch ( rs->sr_err ) {
+		case LDAP_SUCCESS:
+			break;
+
+		case LDAP_REFERRAL:
+			if ( manageDSAit && !BER_BVISNULL( &bsi.bsi_e->e_nname ) &&
+					dn_match( &new_ndn, &bsi.bsi_e->e_nname ) )
+			{
+				rs->sr_err = LDAP_SUCCESS;
+				rs->sr_text = NULL;
+				rs->sr_matched = NULL;
+				if ( rs->sr_ref ) {
+					ber_bvarray_free( rs->sr_ref );
+					rs->sr_ref = NULL;
+				}
+				break;
+			}
+			e = &r;
+			/* fallthru */
+
+		default:
+			Debug( LDAP_DEBUG_TRACE, "backsql_modrdn(): "
+				"could not retrieve modrdnDN ID - no such entry\n", 
+				0, 0, 0 );
+			if ( !BER_BVISNULL( &r.e_nname ) ) {
+				/* FIXME: should always be true! */
+				e = &r;
+
+			} else {
+				e = NULL;
+			}
+			goto done;
+		}
+
+		e_id = bsi.bsi_base_id;
+
+		rs->sr_err = entry_schema_check( op, &r, NULL, 0, 0, NULL,
+			&rs->sr_text, textbuf, sizeof( textbuf ) );
+		if ( rs->sr_err != LDAP_SUCCESS ) {
+			Debug( LDAP_DEBUG_TRACE, "   backsql_modrdn(\"%s\"): "
+				"entry failed schema check -- aborting\n",
+				r.e_name.bv_val, 0, 0 );
+			e = NULL;
+			goto done;
+		}
+	}
+
+done:;
+	if ( e != NULL ) {
+		if ( !access_allowed( op, e, slap_schema.si_ad_entry, NULL,
+					ACL_DISCLOSE, NULL ) )
+		{
+			rs->sr_err = LDAP_NO_SUCH_OBJECT;
+			rs->sr_text = NULL;
+			rs->sr_matched = NULL;
+			if ( rs->sr_ref ) {
+				ber_bvarray_free( rs->sr_ref );
+				rs->sr_ref = NULL;
+			}
+		}
+	}
+
+	/*
+	 * Commit only if all operations succeed
+	 */
+	if ( sth != SQL_NULL_HSTMT ) {
+		SQLUSMALLINT	CompletionType = SQL_ROLLBACK;
+	
+		if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) {
+			CompletionType = SQL_COMMIT;
+		}
+
+		SQLTransact( SQL_NULL_HENV, dbh, CompletionType );
+	}
+
+	if ( op->o_noop && rs->sr_err == LDAP_SUCCESS ) {
+		rs->sr_err = LDAP_X_NO_OPERATION;
+	}
+
+	send_ldap_result( op, rs );
+	slap_graduate_commit_csn( op );
+
+	if ( !BER_BVISNULL( &realnew_dn ) && realnew_dn.bv_val != new_dn.bv_val ) {
+		ch_free( realnew_dn.bv_val );
+	}
+
+	if ( !BER_BVISNULL( &new_dn ) ) {
+		slap_sl_free( new_dn.bv_val, op->o_tmpmemctx );
+	}
+	
+	if ( !BER_BVISNULL( &new_ndn ) ) {
+		slap_sl_free( new_ndn.bv_val, op->o_tmpmemctx );
+	}
+	
+	if ( !BER_BVISNULL( &e_id.eid_ndn ) ) {
+		(void)backsql_free_entryID( &e_id, 0, op->o_tmpmemctx );
+	}
+
+	if ( !BER_BVISNULL( &n_id.eid_ndn ) ) {
+		(void)backsql_free_entryID( &n_id, 0, op->o_tmpmemctx );
+	}
+
+	if ( !BER_BVISNULL( &r.e_nname ) ) {
+		backsql_entry_clean( op, &r );
+	}
+
+	if ( !BER_BVISNULL( &p.e_nname ) ) {
+		backsql_entry_clean( op, &p );
+	}
+
+	if ( !BER_BVISNULL( &n.e_nname ) ) {
+		backsql_entry_clean( op, &n );
+	}
+
+	if ( rs->sr_ref ) {
+		ber_bvarray_free( rs->sr_ref );
+		rs->sr_ref = NULL;
+	}
+
+	Debug( LDAP_DEBUG_TRACE, "<==backsql_modrdn()\n", 0, 0, 0 );
+
+	return rs->sr_err;
+}
+