Adding upstream version 2.4.57+dfsg.upstream/2.4.57+dfsgupstream

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

1 files changed, 761 insertions, 0 deletions

diff --git a/servers/slapd/back-sql/config.c b/servers/slapd/back-sql/config.c
new file mode 100644
index 0000000..e421bcd
--- /dev/null
+++ b/servers/slapd/back-sql/config.c
@@ -0,0 +1,761 @@
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1999-2021 The OpenLDAP Foundation.
+ * Portions Copyright 1999 Dmitry Kovalev.
+ * Portions Copyright 2002 Pierangelo Masarati.
+ * Portions Copyright 2004 Mark Adamson.
+ * 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 "ac/string.h"
+#include <sys/types.h>
+
+#include "slap.h"
+#include "config.h"
+#include "ldif.h"
+#include "lutil.h"
+#include "proto-sql.h"
+
+static int
+create_baseObject(
+	BackendDB	*be,
+	const char	*fname,
+	int		lineno );
+
+static int
+read_baseObject(
+	BackendDB	*be,
+	const char	*fname );
+
+static ConfigDriver sql_cf_gen;
+
+enum {
+	BSQL_CONCAT_PATT = 1,
+	BSQL_CREATE_NEEDS_SEL,
+	BSQL_UPPER_NEEDS_CAST,
+	BSQL_HAS_LDAPINFO_DN_RU,
+	BSQL_FAIL_IF_NO_MAPPING,
+	BSQL_ALLOW_ORPHANS,
+	BSQL_BASE_OBJECT,
+	BSQL_LAYER,
+	BSQL_SUBTREE_SHORTCUT,
+	BSQL_FETCH_ALL_ATTRS,
+	BSQL_FETCH_ATTRS,
+	BSQL_CHECK_SCHEMA,
+	BSQL_ALIASING_KEYWORD,
+	BSQL_AUTOCOMMIT
+};
+
+static ConfigTable sqlcfg[] = {
+	{ "dbhost", "hostname", 2, 2, 0, ARG_STRING|ARG_OFFSET,
+		(void *)offsetof(struct backsql_info, sql_dbhost),
+		"( OLcfgDbAt:6.1 NAME 'olcDbHost' "
+			"DESC 'Hostname of SQL server' "
+			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
+	{ "dbname", "name", 2, 2, 0, ARG_STRING|ARG_OFFSET,
+		(void *)offsetof(struct backsql_info, sql_dbname),
+		"( OLcfgDbAt:6.2 NAME 'olcDbName' "
+			"DESC 'Name of SQL database' "
+			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
+	{ "dbuser", "username", 2, 2, 0, ARG_STRING|ARG_OFFSET,
+		(void *)offsetof(struct backsql_info, sql_dbuser),
+		"( OLcfgDbAt:6.3 NAME 'olcDbUser' "
+			"DESC 'Username for SQL session' "
+			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
+	{ "dbpasswd", "password", 2, 2, 0, ARG_STRING|ARG_OFFSET,
+		(void *)offsetof(struct backsql_info, sql_dbpasswd),
+		"( OLcfgDbAt:6.4 NAME 'olcDbPass' "
+			"DESC 'Password for SQL session' "
+			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
+	{ "concat_pattern", "pattern", 2, 2, 0,
+		ARG_STRING|ARG_MAGIC|BSQL_CONCAT_PATT, (void *)sql_cf_gen,
+		"( OLcfgDbAt:6.20 NAME 'olcSqlConcatPattern' "
+			"DESC 'Pattern used to concatenate strings' "
+			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
+	{ "subtree_cond", "SQL expression", 2, 0, 0, ARG_BERVAL|ARG_QUOTE|ARG_OFFSET,
+		(void *)offsetof(struct backsql_info, sql_subtree_cond),
+		"( OLcfgDbAt:6.21 NAME 'olcSqlSubtreeCond' "
+			"DESC 'Where-clause template for a subtree search condition' "
+			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
+	{ "children_cond", "SQL expression", 2, 0, 0, ARG_BERVAL|ARG_QUOTE|ARG_OFFSET,
+		(void *)offsetof(struct backsql_info, sql_children_cond),
+		"( OLcfgDbAt:6.22 NAME 'olcSqlChildrenCond' "
+			"DESC 'Where-clause template for a children search condition' "
+			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
+	{ "dn_match_cond", "SQL expression", 2, 0, 0, ARG_BERVAL|ARG_QUOTE|ARG_OFFSET,
+		(void *)offsetof(struct backsql_info, sql_dn_match_cond),
+		"( OLcfgDbAt:6.23 NAME 'olcSqlDnMatchCond' "
+			"DESC 'Where-clause template for a DN match search condition' "
+			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
+	{ "oc_query", "SQL expression", 2, 0, 0, ARG_STRING|ARG_QUOTE|ARG_OFFSET,
+		(void *)offsetof(struct backsql_info, sql_oc_query),
+		"( OLcfgDbAt:6.24 NAME 'olcSqlOcQuery' "
+			"DESC 'Query used to collect objectClass mapping data' "
+			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
+	{ "at_query", "SQL expression", 2, 0, 0, ARG_STRING|ARG_QUOTE|ARG_OFFSET,
+		(void *)offsetof(struct backsql_info, sql_at_query),
+		"( OLcfgDbAt:6.25 NAME 'olcSqlAtQuery' "
+			"DESC 'Query used to collect attributeType mapping data' "
+			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
+	{ "insentry_stmt", "SQL expression", 2, 0, 0, ARG_STRING|ARG_QUOTE|ARG_OFFSET,
+		(void *)offsetof(struct backsql_info, sql_insentry_stmt),
+		"( OLcfgDbAt:6.26 NAME 'olcSqlInsEntryStmt' "
+			"DESC 'Statement used to insert a new entry' "
+			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
+	{ "create_needs_select", "yes|no", 2, 2, 0,
+		ARG_ON_OFF|ARG_MAGIC|BSQL_CREATE_NEEDS_SEL, (void *)sql_cf_gen,
+		"( OLcfgDbAt:6.27 NAME 'olcSqlCreateNeedsSelect' "
+			"DESC 'Whether entry creation needs a subsequent select' "
+			"SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
+	{ "upper_func", "SQL function name", 2, 2, 0, ARG_BERVAL|ARG_OFFSET,
+		(void *)offsetof(struct backsql_info, sql_upper_func),
+		"( OLcfgDbAt:6.28 NAME 'olcSqlUpperFunc' "
+			"DESC 'Function that converts a value to uppercase' "
+			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
+	{ "upper_needs_cast", "yes|no", 2, 2, 0,
+		ARG_ON_OFF|ARG_MAGIC|BSQL_UPPER_NEEDS_CAST, (void *)sql_cf_gen,
+		"( OLcfgDbAt:6.29 NAME 'olcSqlUpperNeedsCast' "
+			"DESC 'Whether olcSqlUpperFunc needs an explicit cast' "
+			"SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
+	{ "strcast_func", "SQL function name", 2, 2, 0, ARG_BERVAL|ARG_OFFSET,
+		(void *)offsetof(struct backsql_info, sql_strcast_func),
+		"( OLcfgDbAt:6.30 NAME 'olcSqlStrcastFunc' "
+			"DESC 'Function that converts a value to a string' "
+			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
+	{ "delentry_stmt", "SQL expression", 2, 0, 0, ARG_STRING|ARG_QUOTE|ARG_OFFSET,
+		(void *)offsetof(struct backsql_info, sql_delentry_stmt),
+		"( OLcfgDbAt:6.31 NAME 'olcSqlDelEntryStmt' "
+			"DESC 'Statement used to delete an existing entry' "
+			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
+	{ "renentry_stmt", "SQL expression", 2, 0, 0, ARG_STRING|ARG_QUOTE|ARG_OFFSET,
+		(void *)offsetof(struct backsql_info, sql_renentry_stmt),
+		"( OLcfgDbAt:6.32 NAME 'olcSqlRenEntryStmt' "
+			"DESC 'Statement used to rename an entry' "
+			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
+	{ "delobjclasses_stmt", "SQL expression", 2, 0, 0, ARG_STRING|ARG_QUOTE|ARG_OFFSET,
+		(void *)offsetof(struct backsql_info, sql_delobjclasses_stmt),
+		"( OLcfgDbAt:6.33 NAME 'olcSqlDelObjclassesStmt' "
+			"DESC 'Statement used to delete the ID of an entry' "
+			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
+	{ "has_ldapinfo_dn_ru", "yes|no", 2, 2, 0,
+		ARG_ON_OFF|ARG_MAGIC|BSQL_HAS_LDAPINFO_DN_RU, (void *)sql_cf_gen,
+		"( OLcfgDbAt:6.34 NAME 'olcSqlHasLDAPinfoDnRu' "
+			"DESC 'Whether the dn_ru column is present' "
+			"SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
+	{ "fail_if_no_mapping", "yes|no", 2, 2, 0,
+		ARG_ON_OFF|ARG_MAGIC|BSQL_FAIL_IF_NO_MAPPING, (void *)sql_cf_gen,
+		"( OLcfgDbAt:6.35 NAME 'olcSqlFailIfNoMapping' "
+			"DESC 'Whether to fail on unknown attribute mappings' "
+			"SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
+	{ "allow_orphans", "yes|no", 2, 2, 0,
+		ARG_ON_OFF|ARG_MAGIC|BSQL_ALLOW_ORPHANS, (void *)sql_cf_gen,
+		"( OLcfgDbAt:6.36 NAME 'olcSqlAllowOrphans' "
+			"DESC 'Whether to allow adding entries with no parent' "
+			"SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
+	{ "baseobject", "[file]", 1, 2, 0,
+		ARG_STRING|ARG_MAGIC|BSQL_BASE_OBJECT, (void *)sql_cf_gen,
+		"( OLcfgDbAt:6.37 NAME 'olcSqlBaseObject' "
+			"DESC 'Manage an in-memory baseObject entry' "
+			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
+	{ "sqllayer", "name", 2, 0, 0,
+		ARG_MAGIC|BSQL_LAYER, (void *)sql_cf_gen,
+		"( OLcfgDbAt:6.38 NAME 'olcSqlLayer' "
+			"DESC 'Helper used to map DNs between LDAP and SQL' "
+			"SYNTAX OMsDirectoryString )", NULL, NULL },
+	{ "use_subtree_shortcut", "yes|no", 2, 2, 0,
+		ARG_ON_OFF|ARG_MAGIC|BSQL_SUBTREE_SHORTCUT, (void *)sql_cf_gen,
+		"( OLcfgDbAt:6.39 NAME 'olcSqlUseSubtreeShortcut' "
+			"DESC 'Collect all entries when searchBase is DB suffix' "
+			"SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
+	{ "fetch_all_attrs", "yes|no", 2, 2, 0,
+		ARG_ON_OFF|ARG_MAGIC|BSQL_FETCH_ALL_ATTRS, (void *)sql_cf_gen,
+		"( OLcfgDbAt:6.40 NAME 'olcSqlFetchAllAttrs' "
+			"DESC 'Require all attributes to always be loaded' "
+			"SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
+	{ "fetch_attrs", "attrlist", 2, 0, 0,
+		ARG_MAGIC|BSQL_FETCH_ATTRS, (void *)sql_cf_gen,
+		"( OLcfgDbAt:6.41 NAME 'olcSqlFetchAttrs' "
+			"DESC 'Set of attributes to always fetch' "
+			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
+	{ "check_schema", "yes|no", 2, 2, 0,
+		ARG_ON_OFF|ARG_MAGIC|BSQL_CHECK_SCHEMA, (void *)sql_cf_gen,
+		"( OLcfgDbAt:6.42 NAME 'olcSqlCheckSchema' "
+			"DESC 'Check schema after modifications' "
+			"SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
+	{ "aliasing_keyword", "string", 2, 2, 0,
+		ARG_STRING|ARG_MAGIC|BSQL_ALIASING_KEYWORD, (void *)sql_cf_gen,
+		"( OLcfgDbAt:6.43 NAME 'olcSqlAliasingKeyword' "
+			"DESC 'The aliasing keyword' "
+			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
+	{ "aliasing_quote", "string", 2, 2, 0, ARG_BERVAL|ARG_OFFSET,
+		(void *)offsetof(struct backsql_info, sql_aliasing_quote),
+		"( OLcfgDbAt:6.44 NAME 'olcSqlAliasingQuote' "
+			"DESC 'Quoting char of the aliasing keyword' "
+			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
+	{ "autocommit", "yes|no", 2, 2, 0,
+		ARG_ON_OFF|ARG_MAGIC|BSQL_AUTOCOMMIT, (void *)sql_cf_gen,
+		"( OLcfgDbAt:6.45 NAME 'olcSqlAutocommit' "
+			"SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
+	{ "id_query", "SQL expression", 2, 0, 0, ARG_STRING|ARG_QUOTE|ARG_OFFSET,
+		(void *)offsetof(struct backsql_info, sql_id_query),
+		"( OLcfgDbAt:6.46 NAME 'olcSqlIdQuery' "
+			"DESC 'Query used to collect entryID mapping data' "
+			"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
+	{ NULL, NULL, 0, 0, 0, ARG_IGNORED,
+		NULL, NULL, NULL, NULL }
+};
+
+static ConfigOCs sqlocs[] = {
+	{
+		"( OLcfgDbOc:6.1 "
+		"NAME 'olcSqlConfig' "
+		"DESC 'SQL backend configuration' "
+		"SUP olcDatabaseConfig "
+		"MUST olcDbName "
+		"MAY ( olcDbHost $ olcDbUser $ olcDbPass $ olcSqlConcatPattern $ "
+		"olcSqlSubtreeCond $ olcsqlChildrenCond $ olcSqlDnMatchCond $ "
+		"olcSqlOcQuery $ olcSqlAtQuery $ olcSqlInsEntryStmt $ "
+		"olcSqlCreateNeedsSelect $ olcSqlUpperFunc $ olcSqlUpperNeedsCast $ "
+		"olcSqlStrCastFunc $ olcSqlDelEntryStmt $ olcSqlRenEntryStmt $ "
+		"olcSqlDelObjClassesStmt $ olcSqlHasLDAPInfoDnRu $ "
+		"olcSqlFailIfNoMapping $ olcSqlAllowOrphans $ olcSqlBaseObject $ "
+		"olcSqlLayer $ olcSqlUseSubtreeShortcut $ olcSqlFetchAllAttrs $ "
+		"olcSqlFetchAttrs $ olcSqlCheckSchema $ olcSqlAliasingKeyword $ "
+		"olcSqlAliasingQuote $ olcSqlAutocommit $ olcSqlIdQuery ) )",
+			Cft_Database, sqlcfg },
+	{ NULL, Cft_Abstract, NULL }
+};
+
+static int
+sql_cf_gen( ConfigArgs *c )
+{
+	backsql_info 	*bi = (backsql_info *)c->be->be_private;
+	int rc = 0;
+
+	if ( c->op == SLAP_CONFIG_EMIT ) {
+		switch( c->type ) {
+		case BSQL_CONCAT_PATT:
+			if ( bi->sql_concat_patt ) {
+				c->value_string = ch_strdup( bi->sql_concat_patt );
+			} else {
+				rc = 1;
+			}
+			break;
+		case BSQL_CREATE_NEEDS_SEL:
+			if ( bi->sql_flags & BSQLF_CREATE_NEEDS_SELECT )
+				c->value_int = 1;
+			break;
+		case BSQL_UPPER_NEEDS_CAST:
+			if ( bi->sql_flags & BSQLF_UPPER_NEEDS_CAST )
+				c->value_int = 1;
+			break;
+		case BSQL_HAS_LDAPINFO_DN_RU:
+			if ( !(bi->sql_flags & BSQLF_DONTCHECK_LDAPINFO_DN_RU) )
+				return 1;
+			if ( bi->sql_flags & BSQLF_HAS_LDAPINFO_DN_RU )
+				c->value_int = 1;
+			break;
+		case BSQL_FAIL_IF_NO_MAPPING:
+			if ( bi->sql_flags & BSQLF_FAIL_IF_NO_MAPPING )
+				c->value_int = 1;
+			break;
+		case BSQL_ALLOW_ORPHANS:
+			if ( bi->sql_flags & BSQLF_ALLOW_ORPHANS )
+				c->value_int = 1;
+			break;
+		case BSQL_SUBTREE_SHORTCUT:
+			if ( bi->sql_flags & BSQLF_USE_SUBTREE_SHORTCUT )
+				c->value_int = 1;
+			break;
+		case BSQL_FETCH_ALL_ATTRS:
+			if ( bi->sql_flags & BSQLF_FETCH_ALL_ATTRS )
+				c->value_int = 1;
+			break;
+		case BSQL_CHECK_SCHEMA:
+			if ( bi->sql_flags & BSQLF_CHECK_SCHEMA )
+				c->value_int = 1;
+			break;
+		case BSQL_AUTOCOMMIT:
+			if ( bi->sql_flags & BSQLF_AUTOCOMMIT_ON )
+				c->value_int = 1;
+			break;
+		case BSQL_BASE_OBJECT:
+			if ( bi->sql_base_ob_file ) {
+				c->value_string = ch_strdup( bi->sql_base_ob_file );
+			} else if ( bi->sql_baseObject ) {
+				c->value_string = ch_strdup( "TRUE" );
+			} else {
+				rc = 1;
+			}
+			break;
+		case BSQL_LAYER:
+			if ( bi->sql_api ) {
+				backsql_api *ba;
+				struct berval bv;
+				char *ptr;
+				int i;
+				for ( ba = bi->sql_api; ba; ba = ba->ba_next ) {
+					bv.bv_len = strlen( ba->ba_name );
+					if ( ba->ba_argc ) {
+						for ( i = 0; i<ba->ba_argc; i++ )
+							bv.bv_len += strlen( ba->ba_argv[i] ) + 3;
+					}
+					bv.bv_val = ch_malloc( bv.bv_len + 1 );
+					ptr = lutil_strcopy( bv.bv_val, ba->ba_name );
+					if ( ba->ba_argc ) {
+						for ( i = 0; i<ba->ba_argc; i++ ) {
+							*ptr++ = ' ';
+							*ptr++ = '"';
+							ptr = lutil_strcopy( ptr, ba->ba_argv[i] );
+							*ptr++ = '"';
+						}
+					}
+					ber_bvarray_add( &c->rvalue_vals, &bv );
+				}
+			} else {
+				rc = 1;
+			}
+			break;
+		case BSQL_ALIASING_KEYWORD:
+			if ( !BER_BVISNULL( &bi->sql_aliasing )) {
+				struct berval bv;
+				bv = bi->sql_aliasing;
+				bv.bv_len--;
+				value_add_one( &c->rvalue_vals, &bv );
+			} else {
+				rc = 1;
+			}
+			break;
+		case BSQL_FETCH_ATTRS:
+			if ( bi->sql_anlist ||
+				( bi->sql_flags & (BSQLF_FETCH_ALL_USERATTRS|
+								   BSQLF_FETCH_ALL_OPATTRS)))
+			{
+				char buf[BUFSIZ*2], *ptr;
+				struct berval bv;
+#   define WHATSLEFT    ((ber_len_t) (&buf[sizeof( buf )] - ptr))
+				ptr = buf;
+				if ( bi->sql_anlist ) {
+					ptr = anlist_unparse( bi->sql_anlist, ptr, WHATSLEFT );
+					if ( ptr == NULL )
+						return 1;
+				}
+				if ( bi->sql_flags & BSQLF_FETCH_ALL_USERATTRS ) {
+					if ( WHATSLEFT <= STRLENOF( ",*" )) return 1;
+					if ( ptr != buf ) *ptr++ = ',';
+					*ptr++ = '*';
+				}
+				if ( bi->sql_flags & BSQLF_FETCH_ALL_OPATTRS ) {
+					if ( WHATSLEFT <= STRLENOF( ",+" )) return 1;
+					if ( ptr != buf ) *ptr++ = ',';
+					*ptr++ = '+';
+				}
+				bv.bv_val = buf;
+				bv.bv_len = ptr - buf;
+				value_add_one( &c->rvalue_vals, &bv );
+			}
+			break;
+		}
+		return rc;
+	} else if ( c->op == LDAP_MOD_DELETE ) {	/* FIXME */
+		return -1;
+	}
+
+	switch( c->type ) {
+	case BSQL_CONCAT_PATT:
+		if ( backsql_split_pattern( c->argv[ 1 ], &bi->sql_concat_func, 2 ) ) {
+			snprintf( c->cr_msg, sizeof( c->cr_msg ),
+				"%s: unable to parse pattern \"%s\"",
+				c->log, c->argv[ 1 ] );
+			Debug( LDAP_DEBUG_ANY, "%s\n", c->cr_msg, 0, 0 );
+			return -1;
+		}
+		bi->sql_concat_patt = c->value_string;
+		break;
+	case BSQL_CREATE_NEEDS_SEL:
+		if ( c->value_int )
+			bi->sql_flags |= BSQLF_CREATE_NEEDS_SELECT;
+		else
+			bi->sql_flags &= ~BSQLF_CREATE_NEEDS_SELECT;
+		break;
+	case BSQL_UPPER_NEEDS_CAST:
+		if ( c->value_int )
+			bi->sql_flags |= BSQLF_UPPER_NEEDS_CAST;
+		else
+			bi->sql_flags &= ~BSQLF_UPPER_NEEDS_CAST;
+		break;
+	case BSQL_HAS_LDAPINFO_DN_RU:
+		bi->sql_flags |= BSQLF_DONTCHECK_LDAPINFO_DN_RU;
+		if ( c->value_int )
+			bi->sql_flags |= BSQLF_HAS_LDAPINFO_DN_RU;
+		else
+			bi->sql_flags &= ~BSQLF_HAS_LDAPINFO_DN_RU;
+		break;
+	case BSQL_FAIL_IF_NO_MAPPING:
+		if ( c->value_int )
+			bi->sql_flags |= BSQLF_FAIL_IF_NO_MAPPING;
+		else
+			bi->sql_flags &= ~BSQLF_FAIL_IF_NO_MAPPING;
+		break;
+	case BSQL_ALLOW_ORPHANS:
+		if ( c->value_int )
+			bi->sql_flags |= BSQLF_ALLOW_ORPHANS;
+		else
+			bi->sql_flags &= ~BSQLF_ALLOW_ORPHANS;
+		break;
+	case BSQL_SUBTREE_SHORTCUT:
+		if ( c->value_int )
+			bi->sql_flags |= BSQLF_USE_SUBTREE_SHORTCUT;
+		else
+			bi->sql_flags &= ~BSQLF_USE_SUBTREE_SHORTCUT;
+		break;
+	case BSQL_FETCH_ALL_ATTRS:
+		if ( c->value_int )
+			bi->sql_flags |= BSQLF_FETCH_ALL_ATTRS;
+		else
+			bi->sql_flags &= ~BSQLF_FETCH_ALL_ATTRS;
+		break;
+	case BSQL_CHECK_SCHEMA:
+		if ( c->value_int )
+			bi->sql_flags |= BSQLF_CHECK_SCHEMA;
+		else
+			bi->sql_flags &= ~BSQLF_CHECK_SCHEMA;
+		break;
+	case BSQL_AUTOCOMMIT:
+		if ( c->value_int )
+			bi->sql_flags |= BSQLF_AUTOCOMMIT_ON;
+		else
+			bi->sql_flags &= ~BSQLF_AUTOCOMMIT_ON;
+		break;
+	case BSQL_BASE_OBJECT:
+		if ( c->be->be_nsuffix == NULL ) {
+			snprintf( c->cr_msg, sizeof( c->cr_msg ),
+				"%s: suffix must be set", c->log );
+			Debug( LDAP_DEBUG_ANY, "%s\n", c->cr_msg, 0, 0 );
+			rc = ARG_BAD_CONF;
+			break;
+		}
+		if ( bi->sql_baseObject ) {
+			Debug( LDAP_DEBUG_CONFIG,
+				"%s: "
+				"\"baseObject\" already provided (will be overwritten)\n",
+				c->log, 0, 0 );
+			entry_free( bi->sql_baseObject );
+		}
+		if ( c->argc == 2 && !strcmp( c->argv[1], "TRUE" ))
+			c->argc = 1;
+		switch( c->argc ) {
+		case 1:
+			return create_baseObject( c->be, c->fname, c->lineno );
+
+		case 2:
+			rc = read_baseObject( c->be, c->argv[ 1 ] );
+			if ( rc == 0 ) {
+				ch_free( bi->sql_base_ob_file );
+				bi->sql_base_ob_file = c->value_string;
+			}
+			return rc;
+
+		default:
+			snprintf( c->cr_msg, sizeof( c->cr_msg ),
+				"%s: trailing values in directive", c->log );
+			Debug( LDAP_DEBUG_ANY, "%s\n", c->cr_msg, 0, 0 );
+			return 1;
+		}
+		break;
+	case BSQL_LAYER:
+		if ( backsql_api_config( bi, c->argv[ 1 ], c->argc - 2, &c->argv[ 2 ] ) )
+		{
+			snprintf( c->cr_msg, sizeof( c->cr_msg ),
+				"%s: unable to load sql layer", c->log );
+			Debug( LDAP_DEBUG_ANY, "%s \"%s\"\n",
+				c->cr_msg, c->argv[1], 0 );
+			return 1;
+		}
+		break;
+	case BSQL_ALIASING_KEYWORD:
+		if ( ! BER_BVISNULL( &bi->sql_aliasing ) ) {
+			ch_free( bi->sql_aliasing.bv_val );
+		}
+
+		ber_str2bv( c->argv[ 1 ], strlen( c->argv[ 1 ] ) + 1, 1,
+			&bi->sql_aliasing );
+		/* add a trailing space... */
+		bi->sql_aliasing.bv_val[ bi->sql_aliasing.bv_len - 1] = ' ';
+		break;
+	case BSQL_FETCH_ATTRS: {
+		char		*str, *s, *next;
+		const char	*delimstr = ",";
+
+		str = ch_strdup( c->argv[ 1 ] );
+		for ( s = ldap_pvt_strtok( str, delimstr, &next );
+				s != NULL;
+				s = ldap_pvt_strtok( NULL, delimstr, &next ) )
+		{
+			if ( strlen( s ) == 1 ) {
+				if ( *s == '*' ) {
+					bi->sql_flags |= BSQLF_FETCH_ALL_USERATTRS;
+					c->argv[ 1 ][ s - str ] = ',';
+
+				} else if ( *s == '+' ) {
+					bi->sql_flags |= BSQLF_FETCH_ALL_OPATTRS;
+					c->argv[ 1 ][ s - str ] = ',';
+				}
+			}
+		}
+		ch_free( str );
+		bi->sql_anlist = str2anlist( bi->sql_anlist, c->argv[ 1 ], delimstr );
+		if ( bi->sql_anlist == NULL ) {
+			return -1;
+		}
+		}
+		break;
+	}
+	return rc;
+}
+
+/*
+ * Read the entries specified in fname and merge the attributes
+ * to the user defined baseObject entry. Note that if we find any errors
+ * what so ever, we will discard the entire entries, print an
+ * error message and return.
+ */
+static int
+read_baseObject( 
+	BackendDB	*be,
+	const char	*fname )
+{
+	backsql_info 	*bi = (backsql_info *)be->be_private;
+	LDIFFP		*fp;
+	int		rc = 0, lmax = 0, ldifrc;
+	unsigned long	lineno = 0;
+	char		*buf = NULL;
+
+	assert( fname != NULL );
+
+	fp = ldif_open( fname, "r" );
+	if ( fp == NULL ) {
+		Debug( LDAP_DEBUG_ANY,
+			"could not open back-sql baseObject "
+			"attr file \"%s\" - absolute path?\n",
+			fname, 0, 0 );
+		perror( fname );
+		return LDAP_OTHER;
+	}
+
+	bi->sql_baseObject = entry_alloc();
+	if ( bi->sql_baseObject == NULL ) {
+		Debug( LDAP_DEBUG_ANY,
+			"read_baseObject_file: entry_alloc failed", 0, 0, 0 );
+		ldif_close( fp );
+		return LDAP_NO_MEMORY;
+	}
+	bi->sql_baseObject->e_name = be->be_suffix[0];
+	bi->sql_baseObject->e_nname = be->be_nsuffix[0];
+	bi->sql_baseObject->e_attrs = NULL;
+
+	while (( ldifrc = ldif_read_record( fp, &lineno, &buf, &lmax )) > 0 ) {
+		Entry		*e = str2entry( buf );
+		Attribute	*a;
+
+		if( e == NULL ) {
+			fprintf( stderr, "back-sql baseObject: "
+					"could not parse entry (line=%lu)\n",
+					lineno );
+			rc = LDAP_OTHER;
+			break;
+		}
+
+		/* make sure the DN is the database's suffix */
+		if ( !be_issuffix( be, &e->e_nname ) ) {
+			fprintf( stderr,
+				"back-sql: invalid baseObject - "
+				"dn=\"%s\" (line=%lu)\n",
+				e->e_name.bv_val, lineno );
+			entry_free( e );
+			rc = LDAP_OTHER;
+			break;
+		}
+
+		/*
+		 * we found a valid entry, so walk thru all the attributes in the
+		 * entry, and add each attribute type and description to baseObject
+		 */
+		for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
+			if ( attr_merge( bi->sql_baseObject, a->a_desc,
+						a->a_vals,
+						( a->a_nvals == a->a_vals ) ?
+						NULL : a->a_nvals ) )
+			{
+				rc = LDAP_OTHER;
+				break;
+			}
+		}
+
+		entry_free( e );
+		if ( rc ) {
+			break;
+		}
+	}
+
+	if ( ldifrc < 0 )
+		rc = LDAP_OTHER;
+
+	if ( rc ) {
+		entry_free( bi->sql_baseObject );
+		bi->sql_baseObject = NULL;
+	}
+
+	ch_free( buf );
+
+	ldif_close( fp );
+
+	Debug( LDAP_DEBUG_CONFIG, "back-sql baseObject file \"%s\" read.\n",
+			fname, 0, 0 );
+
+	return rc;
+}
+
+static int
+create_baseObject(
+	BackendDB	*be,
+	const char	*fname,
+	int		lineno )
+{
+	backsql_info 	*bi = (backsql_info *)be->be_private;
+	LDAPRDN		rdn;
+	char		*p;
+	int		rc, iAVA;
+	char		buf[1024];
+
+	snprintf( buf, sizeof(buf),
+			"dn: %s\n"
+			"objectClass: extensibleObject\n"
+			"description: builtin baseObject for back-sql\n"
+			"description: all entries mapped "
+				"in table \"ldap_entries\" "
+				"must have "
+				"\"" BACKSQL_BASEOBJECT_IDSTR "\" "
+				"in the \"parent\" column",
+			be->be_suffix[0].bv_val );
+
+	bi->sql_baseObject = str2entry( buf );
+	if ( bi->sql_baseObject == NULL ) {
+		Debug( LDAP_DEBUG_TRACE,
+			"<==backsql_db_config (%s line %d): "
+			"unable to parse baseObject entry\n",
+			fname, lineno, 0 );
+		return 1;
+	}
+
+	if ( BER_BVISEMPTY( &be->be_suffix[ 0 ] ) ) {
+		return 0;
+	}
+
+	rc = ldap_bv2rdn( &be->be_suffix[ 0 ], &rdn, (char **)&p,
+			LDAP_DN_FORMAT_LDAP );
+	if ( rc != LDAP_SUCCESS ) {
+		snprintf( buf, sizeof(buf),
+			"unable to extract RDN "
+			"from baseObject DN \"%s\" (%d: %s)",
+			be->be_suffix[ 0 ].bv_val,
+			rc, ldap_err2string( rc ) );
+		Debug( LDAP_DEBUG_TRACE,
+			"<==backsql_db_config (%s line %d): %s\n",
+			fname, lineno, buf );
+		return 1;
+	}
+
+	for ( iAVA = 0; rdn[ iAVA ]; iAVA++ ) {
+		LDAPAVA				*ava = rdn[ iAVA ];
+		AttributeDescription		*ad = NULL;
+		slap_syntax_transform_func	*transf = NULL;
+		struct berval			bv = BER_BVNULL;
+		const char			*text = NULL;
+
+		assert( ava != NULL );
+
+		rc = slap_bv2ad( &ava->la_attr, &ad, &text );
+		if ( rc != LDAP_SUCCESS ) {
+			snprintf( buf, sizeof(buf),
+				"AttributeDescription of naming "
+				"attribute #%d from baseObject "
+				"DN \"%s\": %d: %s",
+				iAVA, be->be_suffix[ 0 ].bv_val,
+				rc, ldap_err2string( rc ) );
+			Debug( LDAP_DEBUG_TRACE,
+				"<==backsql_db_config (%s line %d): %s\n",
+				fname, lineno, buf );
+			return 1;
+		}
+		
+		transf = ad->ad_type->sat_syntax->ssyn_pretty;
+		if ( transf ) {
+			/*
+	 		 * transform value by pretty function
+			 *	if value is empty, use empty_bv
+			 */
+			rc = ( *transf )( ad->ad_type->sat_syntax,
+				ava->la_value.bv_len
+					? &ava->la_value
+					: (struct berval *) &slap_empty_bv,
+				&bv, NULL );
+	
+			if ( rc != LDAP_SUCCESS ) {
+				snprintf( buf, sizeof(buf),
+					"prettying of attribute #%d "
+					"from baseObject "
+					"DN \"%s\" failed: %d: %s",
+					iAVA, be->be_suffix[ 0 ].bv_val,
+					rc, ldap_err2string( rc ) );
+				Debug( LDAP_DEBUG_TRACE,
+					"<==backsql_db_config (%s line %d): "
+					"%s\n",
+					fname, lineno, buf );
+				return 1;
+			}
+		}
+
+		if ( !BER_BVISNULL( &bv ) ) {
+			if ( ava->la_flags & LDAP_AVA_FREE_VALUE ) {
+				ber_memfree( ava->la_value.bv_val );
+			}
+			ava->la_value = bv;
+			ava->la_flags |= LDAP_AVA_FREE_VALUE;
+		}
+
+		attr_merge_normalize_one( bi->sql_baseObject,
+				ad, &ava->la_value, NULL );
+	}
+
+	ldap_rdnfree( rdn );
+
+	return 0;
+}
+
+int backsql_init_cf( BackendInfo *bi )
+{
+	int rc;
+
+	bi->bi_cf_ocs = sqlocs;
+	rc = config_register_schema( sqlcfg, sqlocs );
+	if ( rc ) return rc;
+	return 0;
+}