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-rw-r--r--servers/slapd/back-sql/modrdn.c510
1 files changed, 510 insertions, 0 deletions
diff --git a/servers/slapd/back-sql/modrdn.c b/servers/slapd/back-sql/modrdn.c
new file mode 100644
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+++ b/servers/slapd/back-sql/modrdn.c
@@ -0,0 +1,510 @@
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1999-2022 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,
+ 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" );
+ 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" );
+ 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) );
+
+ 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 );
+ 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" );
+ 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" );
+ 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) );
+
+ if ( rs->sr_err != LDAP_SUCCESS ) {
+ Debug( LDAP_DEBUG_TRACE, "backsql_modrdn(): "
+ "could not retrieve renameDN ID - no such entry\n" );
+ 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" );
+ 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" );
+ 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" );
+ 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) );
+
+ 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 );
+ 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" );
+ 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" );
+ rs->sr_err = LDAP_OTHER;
+ rs->sr_text = "newSuperior is equal to old DN";
+ e = &r;
+ goto done;
+ }
+
+ Debug( LDAP_DEBUG_TRACE, " backsql_modrdn(): new entry dn is \"%s\"\n",
+ op->orr_newDN.bv_val );
+
+ realnew_dn = op->orr_newDN;
+ 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 );
+ 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" );
+
+ 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" );
+ 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 );
+ 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 );
+ 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 );
+ 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 );
+ 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" );
+ 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 );
+
+ slap_mods_opattrs( op, &op->orr_modlist, 1 );
+
+ assert( e_id.eid_oc != NULL );
+ oc = e_id.eid_oc;
+
+ if ( op->orr_modlist != NULL ) {
+ 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, &op->orr_nnewDN,
+ 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( &op->orr_nnewDN, &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" );
+ 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 );
+ 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 != op->orr_newDN.bv_val ) {
+ ch_free( realnew_dn.bv_val );
+ }
+
+ 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" );
+
+ return rs->sr_err;
+}
+