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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 11:11:40 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 11:11:40 +0000
commit7731832751ab9f3c6ddeb66f186d3d7fa1934a6d (patch)
treee91015872543a59be2aad26c2fea02e41b57005d /servers/slapd/back-sql/schema-map.c
parentInitial commit. (diff)
downloadopenldap-7731832751ab9f3c6ddeb66f186d3d7fa1934a6d.tar.xz
openldap-7731832751ab9f3c6ddeb66f186d3d7fa1934a6d.zip
Adding upstream version 2.4.57+dfsg.upstream/2.4.57+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'servers/slapd/back-sql/schema-map.c')
-rw-r--r--servers/slapd/back-sql/schema-map.c1043
1 files changed, 1043 insertions, 0 deletions
diff --git a/servers/slapd/back-sql/schema-map.c b/servers/slapd/back-sql/schema-map.c
new file mode 100644
index 0000000..191ea7b
--- /dev/null
+++ b/servers/slapd/back-sql/schema-map.c
@@ -0,0 +1,1043 @@
+/* $OpenLDAP$ */
+/* 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 and Mark Adamson.
+ */
+
+#include "portable.h"
+
+#include <stdio.h>
+#include <sys/types.h>
+#include "ac/string.h"
+
+#include "lutil.h"
+#include "slap.h"
+#include "proto-sql.h"
+
+#define BACKSQL_DUPLICATE (-1)
+
+/* NOTE: by default, cannot just compare pointers because
+ * objectClass/attributeType order would be machine-dependent
+ * (and tests would fail!); however, if you don't want to run
+ * tests, or see attributeTypes written in the same order
+ * they are defined, define */
+/* #undef BACKSQL_USE_PTR_CMP */
+
+/*
+ * Uses the pointer to the ObjectClass structure
+ */
+static int
+backsql_cmp_oc( const void *v_m1, const void *v_m2 )
+{
+ const backsql_oc_map_rec *m1 = v_m1,
+ *m2 = v_m2;
+
+#ifdef BACKSQL_USE_PTR_CMP
+ return SLAP_PTRCMP( m1->bom_oc, m2->bom_oc );
+#else /* ! BACKSQL_USE_PTR_CMP */
+ return ber_bvcmp( &m1->bom_oc->soc_cname, &m2->bom_oc->soc_cname );
+#endif /* ! BACKSQL_USE_PTR_CMP */
+}
+
+static int
+backsql_cmp_oc_id( const void *v_m1, const void *v_m2 )
+{
+ const backsql_oc_map_rec *m1 = v_m1,
+ *m2 = v_m2;
+
+ return ( m1->bom_id < m2->bom_id ? -1 : ( m1->bom_id > m2->bom_id ? 1 : 0 ) );
+}
+
+/*
+ * Uses the pointer to the AttributeDescription structure
+ */
+static int
+backsql_cmp_attr( const void *v_m1, const void *v_m2 )
+{
+ const backsql_at_map_rec *m1 = v_m1,
+ *m2 = v_m2;
+
+ if ( slap_ad_is_binary( m1->bam_ad ) || slap_ad_is_binary( m2->bam_ad ) ) {
+#ifdef BACKSQL_USE_PTR_CMP
+ return SLAP_PTRCMP( m1->bam_ad->ad_type, m2->bam_ad->ad_type );
+#else /* ! BACKSQL_USE_PTR_CMP */
+ return ber_bvcmp( &m1->bam_ad->ad_type->sat_cname, &m2->bam_ad->ad_type->sat_cname );
+#endif /* ! BACKSQL_USE_PTR_CMP */
+ }
+
+#ifdef BACKSQL_USE_PTR_CMP
+ return SLAP_PTRCMP( m1->bam_ad, m2->bam_ad );
+#else /* ! BACKSQL_USE_PTR_CMP */
+ return ber_bvcmp( &m1->bam_ad->ad_cname, &m2->bam_ad->ad_cname );
+#endif /* ! BACKSQL_USE_PTR_CMP */
+}
+
+int
+backsql_dup_attr( void *v_m1, void *v_m2 )
+{
+ backsql_at_map_rec *m1 = v_m1,
+ *m2 = v_m2;
+
+ if ( slap_ad_is_binary( m1->bam_ad ) || slap_ad_is_binary( m2->bam_ad ) ) {
+#ifdef BACKSQL_USE_PTR_CMP
+ assert( m1->bam_ad->ad_type == m2->bam_ad->ad_type );
+#else /* ! BACKSQL_USE_PTR_CMP */
+ assert( ber_bvcmp( &m1->bam_ad->ad_type->sat_cname, &m2->bam_ad->ad_type->sat_cname ) == 0 );
+#endif /* ! BACKSQL_USE_PTR_CMP */
+
+ } else {
+#ifdef BACKSQL_USE_PTR_CMP
+ assert( m1->bam_ad == m2->bam_ad );
+#else /* ! BACKSQL_USE_PTR_CMP */
+ assert( ber_bvcmp( &m1->bam_ad->ad_cname, &m2->bam_ad->ad_cname ) == 0 );
+#endif /* ! BACKSQL_USE_PTR_CMP */
+ }
+
+ /* duplicate definitions of attributeTypes are appended;
+ * this allows to define multiple rules for the same
+ * attributeType. Use with care! */
+ for ( ; m1->bam_next ; m1 = m1->bam_next );
+
+ m1->bam_next = m2;
+ m2->bam_next = NULL;
+
+ return BACKSQL_DUPLICATE;
+}
+
+static int
+backsql_make_attr_query(
+ backsql_info *bi,
+ backsql_oc_map_rec *oc_map,
+ backsql_at_map_rec *at_map )
+{
+ struct berbuf bb = BB_NULL;
+
+ backsql_strfcat_x( &bb, NULL, "lblbbbblblbcbl",
+ (ber_len_t)STRLENOF( "SELECT " ), "SELECT ",
+ &at_map->bam_sel_expr,
+ (ber_len_t)STRLENOF( " " ), " ",
+ &bi->sql_aliasing,
+ &bi->sql_aliasing_quote,
+ &at_map->bam_ad->ad_cname,
+ &bi->sql_aliasing_quote,
+ (ber_len_t)STRLENOF( " FROM " ), " FROM ",
+ &at_map->bam_from_tbls,
+ (ber_len_t)STRLENOF( " WHERE " ), " WHERE ",
+ &oc_map->bom_keytbl,
+ '.',
+ &oc_map->bom_keycol,
+ (ber_len_t)STRLENOF( "=?" ), "=?" );
+
+ if ( !BER_BVISNULL( &at_map->bam_join_where ) ) {
+ backsql_strfcat_x( &bb, NULL, "lb",
+ (ber_len_t)STRLENOF( " AND " ), " AND ",
+ &at_map->bam_join_where );
+ }
+
+ backsql_strfcat_x( &bb, NULL, "lbbb",
+ (ber_len_t)STRLENOF( " ORDER BY " ), " ORDER BY ",
+ &bi->sql_aliasing_quote,
+ &at_map->bam_ad->ad_cname,
+ &bi->sql_aliasing_quote );
+
+ at_map->bam_query = bb.bb_val.bv_val;
+
+#ifdef BACKSQL_COUNTQUERY
+ /* Query to count how many rows will be returned.
+
+ SELECT COUNT(*) FROM <from_tbls> WHERE <keytbl>.<keycol>=?
+ [ AND <join_where> ]
+
+ */
+ BER_BVZERO( &bb.bb_val );
+ bb.bb_len = 0;
+ backsql_strfcat_x( &bb, NULL, "lblbcbl",
+ (ber_len_t)STRLENOF( "SELECT COUNT(*) FROM " ),
+ "SELECT COUNT(*) FROM ",
+ &at_map->bam_from_tbls,
+ (ber_len_t)STRLENOF( " WHERE " ), " WHERE ",
+ &oc_map->bom_keytbl,
+ '.',
+ &oc_map->bom_keycol,
+ (ber_len_t)STRLENOF( "=?" ), "=?" );
+
+ if ( !BER_BVISNULL( &at_map->bam_join_where ) ) {
+ backsql_strfcat_x( &bb, NULL, "lb",
+ (ber_len_t)STRLENOF( " AND " ), " AND ",
+ &at_map->bam_join_where );
+ }
+
+ at_map->bam_countquery = bb.bb_val.bv_val;
+#endif /* BACKSQL_COUNTQUERY */
+
+ return 0;
+}
+
+static int
+backsql_add_sysmaps( backsql_info *bi, backsql_oc_map_rec *oc_map )
+{
+ backsql_at_map_rec *at_map;
+ char s[LDAP_PVT_INTTYPE_CHARS(long)];
+ struct berval sbv;
+ struct berbuf bb;
+
+ sbv.bv_val = s;
+ sbv.bv_len = snprintf( s, sizeof( s ), BACKSQL_IDNUMFMT, oc_map->bom_id );
+
+ /* extra objectClasses */
+ at_map = (backsql_at_map_rec *)ch_calloc(1,
+ sizeof( backsql_at_map_rec ) );
+ at_map->bam_ad = slap_schema.si_ad_objectClass;
+ at_map->bam_true_ad = slap_schema.si_ad_objectClass;
+ ber_str2bv( "ldap_entry_objclasses.oc_name", 0, 1,
+ &at_map->bam_sel_expr );
+ ber_str2bv( "ldap_entry_objclasses,ldap_entries", 0, 1,
+ &at_map->bam_from_tbls );
+
+ bb.bb_len = at_map->bam_from_tbls.bv_len + 1;
+ bb.bb_val = at_map->bam_from_tbls;
+ backsql_merge_from_clause( bi, &bb, &oc_map->bom_keytbl );
+ at_map->bam_from_tbls = bb.bb_val;
+
+ BER_BVZERO( &bb.bb_val );
+ bb.bb_len = 0;
+ backsql_strfcat_x( &bb, NULL, "lbcblb",
+ (ber_len_t)STRLENOF( "ldap_entries.id=ldap_entry_objclasses.entry_id AND ldap_entries.keyval=" ),
+ "ldap_entries.id=ldap_entry_objclasses.entry_id AND ldap_entries.keyval=",
+ &oc_map->bom_keytbl,
+ '.',
+ &oc_map->bom_keycol,
+ (ber_len_t)STRLENOF( " and ldap_entries.oc_map_id=" ),
+ " and ldap_entries.oc_map_id=",
+ &sbv );
+ at_map->bam_join_where = bb.bb_val;
+
+ at_map->bam_oc = oc_map->bom_oc;
+
+ at_map->bam_add_proc = NULL;
+ {
+ char tmp[STRLENOF("INSERT INTO ldap_entry_objclasses "
+ "(entry_id,oc_name) VALUES "
+ "((SELECT id FROM ldap_entries "
+ "WHERE oc_map_id= "
+ "AND keyval=?),?)") + LDAP_PVT_INTTYPE_CHARS(unsigned long)];
+ snprintf( tmp, sizeof(tmp),
+ "INSERT INTO ldap_entry_objclasses "
+ "(entry_id,oc_name) VALUES "
+ "((SELECT id FROM ldap_entries "
+ "WHERE oc_map_id=" BACKSQL_IDNUMFMT " "
+ "AND keyval=?),?)", oc_map->bom_id );
+ at_map->bam_add_proc = ch_strdup( tmp );
+ }
+
+ at_map->bam_delete_proc = NULL;
+ {
+ char tmp[STRLENOF("DELETE FROM ldap_entry_objclasses "
+ "WHERE entry_id=(SELECT id FROM ldap_entries "
+ "WHERE oc_map_id= "
+ "AND keyval=?) AND oc_name=?") + LDAP_PVT_INTTYPE_CHARS(unsigned long)];
+ snprintf( tmp, sizeof(tmp),
+ "DELETE FROM ldap_entry_objclasses "
+ "WHERE entry_id=(SELECT id FROM ldap_entries "
+ "WHERE oc_map_id=" BACKSQL_IDNUMFMT " "
+ "AND keyval=?) AND oc_name=?",
+ oc_map->bom_id );
+ at_map->bam_delete_proc = ch_strdup( tmp );
+ }
+
+ at_map->bam_param_order = 0;
+ at_map->bam_expect_return = 0;
+ at_map->bam_next = NULL;
+
+ backsql_make_attr_query( bi, oc_map, at_map );
+ if ( avl_insert( &oc_map->bom_attrs, at_map, backsql_cmp_attr, backsql_dup_attr ) == BACKSQL_DUPLICATE ) {
+ Debug( LDAP_DEBUG_TRACE, "backsql_add_sysmaps(): "
+ "duplicate attribute \"%s\" in objectClass \"%s\" map\n",
+ at_map->bam_ad->ad_cname.bv_val,
+ oc_map->bom_oc->soc_cname.bv_val, 0 );
+ }
+
+ /* FIXME: we need to correct the objectClass join_where
+ * after the attribute query is built */
+ ch_free( at_map->bam_join_where.bv_val );
+ BER_BVZERO( &bb.bb_val );
+ bb.bb_len = 0;
+ backsql_strfcat_x( &bb, NULL, "lbcblb",
+ (ber_len_t)STRLENOF( /* "ldap_entries.id=ldap_entry_objclasses.entry_id AND " */ "ldap_entries.keyval=" ),
+ /* "ldap_entries.id=ldap_entry_objclasses.entry_id AND " */ "ldap_entries.keyval=",
+ &oc_map->bom_keytbl,
+ '.',
+ &oc_map->bom_keycol,
+ (ber_len_t)STRLENOF( " AND ldap_entries.oc_map_id=" ),
+ " AND ldap_entries.oc_map_id=",
+ &sbv );
+ at_map->bam_join_where = bb.bb_val;
+
+ return 1;
+}
+
+struct backsql_attr_schema_info {
+ backsql_info *bas_bi;
+ SQLHDBC bas_dbh;
+ SQLHSTMT bas_sth;
+ backsql_key_t *bas_oc_id;
+ int bas_rc;
+};
+
+static int
+backsql_oc_get_attr_mapping( void *v_oc, void *v_bas )
+{
+ RETCODE rc;
+ BACKSQL_ROW_NTS at_row;
+ backsql_oc_map_rec *oc_map = (backsql_oc_map_rec *)v_oc;
+ backsql_at_map_rec *at_map;
+ struct backsql_attr_schema_info *bas = (struct backsql_attr_schema_info *)v_bas;
+
+ /* bas->bas_oc_id has been bound to bas->bas_sth */
+ *bas->bas_oc_id = oc_map->bom_id;
+
+ Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): "
+ "executing at_query\n"
+ " \"%s\"\n"
+ " for objectClass \"%s\"\n"
+ " with param oc_id=" BACKSQL_IDNUMFMT "\n",
+ bas->bas_bi->sql_at_query,
+ BACKSQL_OC_NAME( oc_map ),
+ *bas->bas_oc_id );
+
+ rc = SQLExecute( bas->bas_sth );
+ if ( rc != SQL_SUCCESS ) {
+ Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): "
+ "error executing at_query\n"
+ " \"%s\"\n"
+ " for objectClass \"%s\"\n"
+ " with param oc_id=" BACKSQL_IDNUMFMT "\n",
+ bas->bas_bi->sql_at_query,
+ BACKSQL_OC_NAME( oc_map ),
+ *bas->bas_oc_id );
+ backsql_PrintErrors( bas->bas_bi->sql_db_env,
+ bas->bas_dbh, bas->bas_sth, rc );
+ bas->bas_rc = LDAP_OTHER;
+ return BACKSQL_AVL_STOP;
+ }
+
+ backsql_BindRowAsStrings( bas->bas_sth, &at_row );
+ for ( ; rc = SQLFetch( bas->bas_sth ), BACKSQL_SUCCESS( rc ); ) {
+ const char *text = NULL;
+ struct berval bv;
+ struct berbuf bb = BB_NULL;
+ AttributeDescription *ad = NULL;
+
+ {
+ struct {
+ int idx;
+ char *name;
+ } required[] = {
+ { 0, "name" },
+ { 1, "sel_expr" },
+ { 2, "from" },
+ { -1, NULL },
+ };
+ int i;
+
+ for ( i = 0; required[ i ].name != NULL; i++ ) {
+ if ( at_row.value_len[ i ] <= 0 ) {
+ Debug( LDAP_DEBUG_ANY,
+ "backsql_oc_get_attr_mapping(): "
+ "required column #%d \"%s\" is empty\n",
+ required[ i ].idx, required[ i ].name, 0 );
+ bas->bas_rc = LDAP_OTHER;
+ return BACKSQL_AVL_STOP;
+ }
+ }
+ }
+
+ {
+ char buf[ SLAP_TEXT_BUFLEN ];
+
+ snprintf( buf, sizeof( buf ),
+ "attributeType: "
+ "name=\"%s\" "
+ "sel_expr=\"%s\" "
+ "from=\"%s\" "
+ "join_where=\"%s\" "
+ "add_proc=\"%s\" "
+ "delete_proc=\"%s\" "
+ "sel_expr_u=\"%s\"",
+ at_row.cols[ 0 ],
+ at_row.cols[ 1 ],
+ at_row.cols[ 2 ],
+ at_row.cols[ 3 ] ? at_row.cols[ 3 ] : "",
+ at_row.cols[ 4 ] ? at_row.cols[ 4 ] : "",
+ at_row.cols[ 5 ] ? at_row.cols[ 5 ] : "",
+ at_row.cols[ 8 ] ? at_row.cols[ 8 ] : "");
+ Debug( LDAP_DEBUG_TRACE, "%s\n", buf, 0, 0 );
+ }
+
+ rc = slap_str2ad( at_row.cols[ 0 ], &ad, &text );
+ if ( rc != LDAP_SUCCESS ) {
+ Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): "
+ "attribute \"%s\" for objectClass \"%s\" "
+ "is not defined in schema: %s\n",
+ at_row.cols[ 0 ],
+ BACKSQL_OC_NAME( oc_map ), text );
+ bas->bas_rc = LDAP_CONSTRAINT_VIOLATION;
+ return BACKSQL_AVL_STOP;
+ }
+ at_map = (backsql_at_map_rec *)ch_calloc( 1,
+ sizeof( backsql_at_map_rec ) );
+ at_map->bam_ad = ad;
+ at_map->bam_true_ad = ad;
+ if ( slap_syntax_is_binary( ad->ad_type->sat_syntax )
+ && !slap_ad_is_binary( ad ) )
+ {
+ char buf[ SLAP_TEXT_BUFLEN ];
+ struct berval bv;
+ const char *text = NULL;
+
+ bv.bv_val = buf;
+ bv.bv_len = snprintf( buf, sizeof( buf ), "%s;binary",
+ ad->ad_cname.bv_val );
+ at_map->bam_true_ad = NULL;
+ bas->bas_rc = slap_bv2ad( &bv, &at_map->bam_true_ad, &text );
+ if ( bas->bas_rc != LDAP_SUCCESS ) {
+ Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): "
+ "unable to fetch attribute \"%s\": %s (%d)\n",
+ buf, text, rc );
+ ch_free( at_map );
+ return BACKSQL_AVL_STOP;
+ }
+ }
+
+ ber_str2bv( at_row.cols[ 1 ], 0, 1, &at_map->bam_sel_expr );
+ if ( at_row.value_len[ 8 ] <= 0 ) {
+ BER_BVZERO( &at_map->bam_sel_expr_u );
+
+ } else {
+ ber_str2bv( at_row.cols[ 8 ], 0, 1,
+ &at_map->bam_sel_expr_u );
+ }
+
+ ber_str2bv( at_row.cols[ 2 ], 0, 0, &bv );
+ backsql_merge_from_clause( bas->bas_bi, &bb, &bv );
+ at_map->bam_from_tbls = bb.bb_val;
+ if ( at_row.value_len[ 3 ] <= 0 ) {
+ BER_BVZERO( &at_map->bam_join_where );
+
+ } else {
+ ber_str2bv( at_row.cols[ 3 ], 0, 1,
+ &at_map->bam_join_where );
+ }
+ at_map->bam_add_proc = NULL;
+ if ( at_row.value_len[ 4 ] > 0 ) {
+ at_map->bam_add_proc = ch_strdup( at_row.cols[ 4 ] );
+ }
+ at_map->bam_delete_proc = NULL;
+ if ( at_row.value_len[ 5 ] > 0 ) {
+ at_map->bam_delete_proc = ch_strdup( at_row.cols[ 5 ] );
+ }
+ if ( lutil_atoix( &at_map->bam_param_order, at_row.cols[ 6 ], 0 ) != 0 ) {
+ /* error */
+ }
+ if ( lutil_atoix( &at_map->bam_expect_return, at_row.cols[ 7 ], 0 ) != 0 ) {
+ /* error */
+ }
+ backsql_make_attr_query( bas->bas_bi, oc_map, at_map );
+ Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): "
+ "preconstructed query \"%s\"\n",
+ at_map->bam_query, 0, 0 );
+ at_map->bam_next = NULL;
+ if ( avl_insert( &oc_map->bom_attrs, at_map, backsql_cmp_attr, backsql_dup_attr ) == BACKSQL_DUPLICATE ) {
+ Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): "
+ "duplicate attribute \"%s\" "
+ "in objectClass \"%s\" map\n",
+ at_map->bam_ad->ad_cname.bv_val,
+ oc_map->bom_oc->soc_cname.bv_val, 0 );
+ ch_free( at_map );
+ }
+
+ if ( !BER_BVISNULL( &bas->bas_bi->sql_upper_func ) &&
+ BER_BVISNULL( &at_map->bam_sel_expr_u ) )
+ {
+ struct berbuf bb = BB_NULL;
+
+ backsql_strfcat_x( &bb, NULL, "bcbc",
+ &bas->bas_bi->sql_upper_func,
+ '(' /* ) */ ,
+ &at_map->bam_sel_expr,
+ /* ( */ ')' );
+ at_map->bam_sel_expr_u = bb.bb_val;
+ }
+ }
+ backsql_FreeRow( &at_row );
+ SQLFreeStmt( bas->bas_sth, SQL_CLOSE );
+
+ Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(\"%s\"): "
+ "autoadding 'objectClass' and 'ref' mappings\n",
+ BACKSQL_OC_NAME( oc_map ), 0, 0 );
+
+ (void)backsql_add_sysmaps( bas->bas_bi, oc_map );
+
+ return BACKSQL_AVL_CONTINUE;
+}
+
+
+int
+backsql_load_schema_map( backsql_info *bi, SQLHDBC dbh )
+{
+ SQLHSTMT sth = SQL_NULL_HSTMT;
+ RETCODE rc;
+ BACKSQL_ROW_NTS oc_row;
+ backsql_key_t oc_id;
+ backsql_oc_map_rec *oc_map;
+ struct backsql_attr_schema_info bas;
+
+ int delete_proc_idx = 5;
+ int create_hint_idx = delete_proc_idx + 2;
+
+ Debug( LDAP_DEBUG_TRACE, "==>backsql_load_schema_map()\n", 0, 0, 0 );
+
+ /*
+ * TimesTen : See if the ldap_entries.dn_ru field exists in the schema
+ */
+ if ( !BACKSQL_DONTCHECK_LDAPINFO_DN_RU( bi ) ) {
+ rc = backsql_Prepare( dbh, &sth,
+ backsql_check_dn_ru_query, 0 );
+ if ( rc == SQL_SUCCESS ) {
+ /* Yes, the field exists */
+ bi->sql_flags |= BSQLF_HAS_LDAPINFO_DN_RU;
+ Debug( LDAP_DEBUG_TRACE, "ldapinfo.dn_ru field exists "
+ "in the schema\n", 0, 0, 0 );
+ } else {
+ /* No such field exists */
+ bi->sql_flags &= ~BSQLF_HAS_LDAPINFO_DN_RU;
+ }
+
+ SQLFreeStmt( sth, SQL_DROP );
+ }
+
+ Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): oc_query \"%s\"\n",
+ bi->sql_oc_query, 0, 0 );
+
+ rc = backsql_Prepare( dbh, &sth, bi->sql_oc_query, 0 );
+ if ( rc != SQL_SUCCESS ) {
+ Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
+ "error preparing oc_query: \"%s\"\n",
+ bi->sql_oc_query, 0, 0 );
+ backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
+ return LDAP_OTHER;
+ }
+
+ rc = SQLExecute( sth );
+ if ( rc != SQL_SUCCESS ) {
+ Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
+ "error executing oc_query: \n", 0, 0, 0 );
+ backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
+ return LDAP_OTHER;
+ }
+
+ backsql_BindRowAsStrings( sth, &oc_row );
+ rc = SQLFetch( sth );
+
+ if ( BACKSQL_CREATE_NEEDS_SELECT( bi ) ) {
+ delete_proc_idx++;
+ create_hint_idx++;
+ }
+
+ for ( ; BACKSQL_SUCCESS( rc ); rc = SQLFetch( sth ) ) {
+ {
+ struct {
+ int idx;
+ char *name;
+ } required[] = {
+ { 0, "id" },
+ { 1, "name" },
+ { 2, "keytbl" },
+ { 3, "keycol" },
+ { -1, "expect_return" },
+ { -1, NULL },
+ };
+ int i;
+
+ required[4].idx = delete_proc_idx + 1;
+
+ for ( i = 0; required[ i ].name != NULL; i++ ) {
+ if ( oc_row.value_len[ required[ i ].idx ] <= 0 ) {
+ Debug( LDAP_DEBUG_ANY,
+ "backsql_load_schema_map(): "
+ "required column #%d \"%s\" is empty\n",
+ required[ i ].idx, required[ i ].name, 0 );
+ return LDAP_OTHER;
+ }
+ }
+ }
+
+ {
+ char buf[ SLAP_TEXT_BUFLEN ];
+
+ snprintf( buf, sizeof( buf ),
+ "objectClass: "
+ "id=\"%s\" "
+ "name=\"%s\" "
+ "keytbl=\"%s\" "
+ "keycol=\"%s\" "
+ "create_proc=\"%s\" "
+ "create_keyval=\"%s\" "
+ "delete_proc=\"%s\" "
+ "expect_return=\"%s\""
+ "create_hint=\"%s\" ",
+ oc_row.cols[ 0 ],
+ oc_row.cols[ 1 ],
+ oc_row.cols[ 2 ],
+ oc_row.cols[ 3 ],
+ oc_row.cols[ 4 ] ? oc_row.cols[ 4 ] : "",
+ ( BACKSQL_CREATE_NEEDS_SELECT( bi ) && oc_row.cols[ 5 ] ) ? oc_row.cols[ 5 ] : "",
+ oc_row.cols[ delete_proc_idx ] ? oc_row.cols[ delete_proc_idx ] : "",
+ oc_row.cols[ delete_proc_idx + 1 ],
+ ( ( oc_row.ncols > create_hint_idx ) && oc_row.cols[ create_hint_idx ] ) ? oc_row.cols[ create_hint_idx ] : "" );
+ Debug( LDAP_DEBUG_TRACE, "%s\n", buf, 0, 0 );
+ }
+
+ oc_map = (backsql_oc_map_rec *)ch_calloc( 1,
+ sizeof( backsql_oc_map_rec ) );
+
+ if ( BACKSQL_STR2ID( &oc_map->bom_id, oc_row.cols[ 0 ], 0 ) != 0 ) {
+ Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
+ "unable to parse id=\"%s\"\n",
+ oc_row.cols[ 0 ], 0, 0 );
+ ch_free( oc_map );
+ return LDAP_OTHER;
+ }
+
+ oc_map->bom_oc = oc_find( oc_row.cols[ 1 ] );
+ if ( oc_map->bom_oc == NULL ) {
+ Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
+ "objectClass \"%s\" is not defined in schema\n",
+ oc_row.cols[ 1 ], 0, 0 );
+ ch_free( oc_map );
+ return LDAP_OTHER; /* undefined objectClass ? */
+ }
+
+ ber_str2bv( oc_row.cols[ 2 ], 0, 1, &oc_map->bom_keytbl );
+ ber_str2bv( oc_row.cols[ 3 ], 0, 1, &oc_map->bom_keycol );
+ oc_map->bom_create_proc = ( oc_row.value_len[ 4 ] <= 0 ) ? NULL
+ : ch_strdup( oc_row.cols[ 4 ] );
+
+ if ( BACKSQL_CREATE_NEEDS_SELECT( bi ) ) {
+ oc_map->bom_create_keyval = ( oc_row.value_len[ 5 ] <= 0 )
+ ? NULL : ch_strdup( oc_row.cols[ 5 ] );
+ }
+ oc_map->bom_delete_proc = ( oc_row.value_len[ delete_proc_idx ] <= 0 ) ? NULL
+ : ch_strdup( oc_row.cols[ delete_proc_idx ] );
+ if ( lutil_atoix( &oc_map->bom_expect_return, oc_row.cols[ delete_proc_idx + 1 ], 0 ) != 0 ) {
+ Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
+ "unable to parse expect_return=\"%s\" for objectClass \"%s\"\n",
+ oc_row.cols[ delete_proc_idx + 1 ], oc_row.cols[ 1 ], 0 );
+ ch_free( oc_map );
+ return LDAP_OTHER;
+ }
+
+ if ( ( oc_row.ncols > create_hint_idx ) &&
+ ( oc_row.value_len[ create_hint_idx ] > 0 ) )
+ {
+ const char *text;
+
+ oc_map->bom_create_hint = NULL;
+ rc = slap_str2ad( oc_row.cols[ create_hint_idx ],
+ &oc_map->bom_create_hint, &text );
+ if ( rc != SQL_SUCCESS ) {
+ Debug( LDAP_DEBUG_TRACE, "load_schema_map(): "
+ "error matching "
+ "AttributeDescription %s "
+ "in create_hint: %s (%d)\n",
+ oc_row.cols[ create_hint_idx ],
+ text, rc );
+ backsql_PrintErrors( bi->sql_db_env, dbh,
+ sth, rc );
+ ch_free( oc_map );
+ return LDAP_OTHER;
+ }
+ }
+
+ /*
+ * FIXME: first attempt to check for offending
+ * instructions in {create|delete}_proc
+ */
+
+ oc_map->bom_attrs = NULL;
+ if ( avl_insert( &bi->sql_oc_by_oc, oc_map, backsql_cmp_oc, avl_dup_error ) == -1 ) {
+ Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
+ "duplicate objectClass \"%s\" in objectClass map\n",
+ oc_map->bom_oc->soc_cname.bv_val, 0, 0 );
+ ch_free( oc_map );
+ return LDAP_OTHER;
+ }
+ if ( avl_insert( &bi->sql_oc_by_id, oc_map, backsql_cmp_oc_id, avl_dup_error ) == -1 ) {
+ Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
+ "duplicate objectClass \"%s\" in objectClass by ID map\n",
+ oc_map->bom_oc->soc_cname.bv_val, 0, 0 );
+ return LDAP_OTHER;
+ }
+ oc_id = oc_map->bom_id;
+ Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
+ "objectClass \"%s\":\n keytbl=\"%s\" keycol=\"%s\"\n",
+ BACKSQL_OC_NAME( oc_map ),
+ oc_map->bom_keytbl.bv_val, oc_map->bom_keycol.bv_val );
+ if ( oc_map->bom_create_proc ) {
+ Debug( LDAP_DEBUG_TRACE, " create_proc=\"%s\"\n",
+ oc_map->bom_create_proc, 0, 0 );
+ }
+ if ( oc_map->bom_create_keyval ) {
+ Debug( LDAP_DEBUG_TRACE, " create_keyval=\"%s\"\n",
+ oc_map->bom_create_keyval, 0, 0 );
+ }
+ if ( oc_map->bom_create_hint ) {
+ Debug( LDAP_DEBUG_TRACE, " create_hint=\"%s\"\n",
+ oc_map->bom_create_hint->ad_cname.bv_val,
+ 0, 0 );
+ }
+ if ( oc_map->bom_delete_proc ) {
+ Debug( LDAP_DEBUG_TRACE, " delete_proc=\"%s\"\n",
+ oc_map->bom_delete_proc, 0, 0 );
+ }
+ Debug( LDAP_DEBUG_TRACE, " expect_return: "
+ "add=%d, del=%d; attributes:\n",
+ BACKSQL_IS_ADD( oc_map->bom_expect_return ),
+ BACKSQL_IS_DEL( oc_map->bom_expect_return ), 0 );
+ }
+
+ backsql_FreeRow( &oc_row );
+ SQLFreeStmt( sth, SQL_DROP );
+
+ /* prepare for attribute fetching */
+ Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): at_query \"%s\"\n",
+ bi->sql_at_query, 0, 0 );
+
+ rc = backsql_Prepare( dbh, &sth, bi->sql_at_query, 0 );
+ if ( rc != SQL_SUCCESS ) {
+ Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
+ "error preparing at_query: \"%s\"\n",
+ bi->sql_at_query, 0, 0 );
+ backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
+ return LDAP_OTHER;
+ }
+
+ rc = backsql_BindParamNumID( sth, 1, SQL_PARAM_INPUT, &oc_id );
+ if ( rc != SQL_SUCCESS ) {
+ Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
+ "error binding param \"oc_id\" for at_query\n", 0, 0, 0 );
+ backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
+ SQLFreeStmt( sth, SQL_DROP );
+ return LDAP_OTHER;
+ }
+
+ bas.bas_bi = bi;
+ bas.bas_dbh = dbh;
+ bas.bas_sth = sth;
+ bas.bas_oc_id = &oc_id;
+ bas.bas_rc = LDAP_SUCCESS;
+
+ (void)avl_apply( bi->sql_oc_by_oc, backsql_oc_get_attr_mapping,
+ &bas, BACKSQL_AVL_STOP, AVL_INORDER );
+
+ SQLFreeStmt( sth, SQL_DROP );
+
+ bi->sql_flags |= BSQLF_SCHEMA_LOADED;
+
+ Debug( LDAP_DEBUG_TRACE, "<==backsql_load_schema_map()\n", 0, 0, 0 );
+
+ return bas.bas_rc;
+}
+
+backsql_oc_map_rec *
+backsql_oc2oc( backsql_info *bi, ObjectClass *oc )
+{
+ backsql_oc_map_rec tmp, *res;
+
+#ifdef BACKSQL_TRACE
+ Debug( LDAP_DEBUG_TRACE, "==>backsql_oc2oc(): "
+ "searching for objectclass with name=\"%s\"\n",
+ oc->soc_cname.bv_val, 0, 0 );
+#endif /* BACKSQL_TRACE */
+
+ tmp.bom_oc = oc;
+ res = (backsql_oc_map_rec *)avl_find( bi->sql_oc_by_oc, &tmp, backsql_cmp_oc );
+#ifdef BACKSQL_TRACE
+ if ( res != NULL ) {
+ Debug( LDAP_DEBUG_TRACE, "<==backsql_oc2oc(): "
+ "found name=\"%s\", id=%d\n",
+ BACKSQL_OC_NAME( res ), res->bom_id, 0 );
+ } else {
+ Debug( LDAP_DEBUG_TRACE, "<==backsql_oc2oc(): "
+ "not found\n", 0, 0, 0 );
+ }
+#endif /* BACKSQL_TRACE */
+
+ return res;
+}
+
+backsql_oc_map_rec *
+backsql_name2oc( backsql_info *bi, struct berval *oc_name )
+{
+ backsql_oc_map_rec tmp, *res;
+
+#ifdef BACKSQL_TRACE
+ Debug( LDAP_DEBUG_TRACE, "==>oc_with_name(): "
+ "searching for objectclass with name=\"%s\"\n",
+ oc_name->bv_val, 0, 0 );
+#endif /* BACKSQL_TRACE */
+
+ tmp.bom_oc = oc_bvfind( oc_name );
+ if ( tmp.bom_oc == NULL ) {
+ return NULL;
+ }
+
+ res = (backsql_oc_map_rec *)avl_find( bi->sql_oc_by_oc, &tmp, backsql_cmp_oc );
+#ifdef BACKSQL_TRACE
+ if ( res != NULL ) {
+ Debug( LDAP_DEBUG_TRACE, "<==oc_with_name(): "
+ "found name=\"%s\", id=%d\n",
+ BACKSQL_OC_NAME( res ), res->bom_id, 0 );
+ } else {
+ Debug( LDAP_DEBUG_TRACE, "<==oc_with_name(): "
+ "not found\n", 0, 0, 0 );
+ }
+#endif /* BACKSQL_TRACE */
+
+ return res;
+}
+
+backsql_oc_map_rec *
+backsql_id2oc( backsql_info *bi, unsigned long id )
+{
+ backsql_oc_map_rec tmp, *res;
+
+#ifdef BACKSQL_TRACE
+ Debug( LDAP_DEBUG_TRACE, "==>oc_with_id(): "
+ "searching for objectclass with id=%lu\n", id, 0, 0 );
+#endif /* BACKSQL_TRACE */
+
+ tmp.bom_id = id;
+ res = (backsql_oc_map_rec *)avl_find( bi->sql_oc_by_id, &tmp,
+ backsql_cmp_oc_id );
+
+#ifdef BACKSQL_TRACE
+ if ( res != NULL ) {
+ Debug( LDAP_DEBUG_TRACE, "<==oc_with_id(): "
+ "found name=\"%s\", id=%lu\n",
+ BACKSQL_OC_NAME( res ), res->bom_id, 0 );
+ } else {
+ Debug( LDAP_DEBUG_TRACE, "<==oc_with_id(): "
+ "id=%lu not found\n", res->bom_id, 0, 0 );
+ }
+#endif /* BACKSQL_TRACE */
+
+ return res;
+}
+
+backsql_at_map_rec *
+backsql_ad2at( backsql_oc_map_rec* objclass, AttributeDescription *ad )
+{
+ backsql_at_map_rec tmp = { 0 }, *res;
+
+#ifdef BACKSQL_TRACE
+ Debug( LDAP_DEBUG_TRACE, "==>backsql_ad2at(): "
+ "searching for attribute \"%s\" for objectclass \"%s\"\n",
+ ad->ad_cname.bv_val, BACKSQL_OC_NAME( objclass ), 0 );
+#endif /* BACKSQL_TRACE */
+
+ tmp.bam_ad = ad;
+ res = (backsql_at_map_rec *)avl_find( objclass->bom_attrs, &tmp,
+ backsql_cmp_attr );
+
+#ifdef BACKSQL_TRACE
+ if ( res != NULL ) {
+ Debug( LDAP_DEBUG_TRACE, "<==backsql_ad2at(): "
+ "found name=\"%s\", sel_expr=\"%s\"\n",
+ res->bam_ad->ad_cname.bv_val,
+ res->bam_sel_expr.bv_val, 0 );
+ } else {
+ Debug( LDAP_DEBUG_TRACE, "<==backsql_ad2at(): "
+ "not found\n", 0, 0, 0 );
+ }
+#endif /* BACKSQL_TRACE */
+
+ return res;
+}
+
+/* attributeType inheritance */
+struct supad2at_t {
+ backsql_at_map_rec **ret;
+ AttributeDescription *ad;
+ unsigned n;
+};
+
+#define SUPAD2AT_STOP (-1)
+
+static int
+supad2at_f( void *v_at, void *v_arg )
+{
+ backsql_at_map_rec *at = (backsql_at_map_rec *)v_at;
+ struct supad2at_t *va = (struct supad2at_t *)v_arg;
+
+ if ( is_at_subtype( at->bam_ad->ad_type, va->ad->ad_type ) ) {
+ backsql_at_map_rec **ret = NULL;
+ unsigned i;
+
+ /* if already listed, holler! (should never happen) */
+ if ( va->ret ) {
+ for ( i = 0; i < va->n; i++ ) {
+ if ( va->ret[ i ]->bam_ad == at->bam_ad ) {
+ break;
+ }
+ }
+
+ if ( i < va->n ) {
+ return 0;
+ }
+ }
+
+ ret = ch_realloc( va->ret,
+ sizeof( backsql_at_map_rec * ) * ( va->n + 2 ) );
+ if ( ret == NULL ) {
+ ch_free( va->ret );
+ va->ret = NULL;
+ va->n = 0;
+ return SUPAD2AT_STOP;
+ }
+
+ ret[ va->n ] = at;
+ va->n++;
+ ret[ va->n ] = NULL;
+ va->ret = ret;
+ }
+
+ return 0;
+}
+
+/*
+ * stores in *pret a NULL terminated array of pointers
+ * to backsql_at_map_rec whose attributeType is supad->ad_type
+ * or derived from it
+ */
+int
+backsql_supad2at( backsql_oc_map_rec *objclass, AttributeDescription *supad,
+ backsql_at_map_rec ***pret )
+{
+ struct supad2at_t va = { 0 };
+ int rc;
+
+ assert( objclass != NULL );
+ assert( supad != NULL );
+ assert( pret != NULL );
+
+ *pret = NULL;
+
+ va.ad = supad;
+
+ rc = avl_apply( objclass->bom_attrs, supad2at_f, &va,
+ SUPAD2AT_STOP, AVL_INORDER );
+ if ( rc == SUPAD2AT_STOP ) {
+ return -1;
+ }
+
+ *pret = va.ret;
+
+ return 0;
+}
+
+static void
+backsql_free_attr( void *v_at )
+{
+ backsql_at_map_rec *at = v_at;
+
+ Debug( LDAP_DEBUG_TRACE, "==>free_attr(): \"%s\"\n",
+ at->bam_ad->ad_cname.bv_val, 0, 0 );
+ ch_free( at->bam_sel_expr.bv_val );
+ if ( !BER_BVISNULL( &at->bam_from_tbls ) ) {
+ ch_free( at->bam_from_tbls.bv_val );
+ }
+ if ( !BER_BVISNULL( &at->bam_join_where ) ) {
+ ch_free( at->bam_join_where.bv_val );
+ }
+ if ( at->bam_add_proc != NULL ) {
+ ch_free( at->bam_add_proc );
+ }
+ if ( at->bam_delete_proc != NULL ) {
+ ch_free( at->bam_delete_proc );
+ }
+ if ( at->bam_query != NULL ) {
+ ch_free( at->bam_query );
+ }
+
+#ifdef BACKSQL_COUNTQUERY
+ if ( at->bam_countquery != NULL ) {
+ ch_free( at->bam_countquery );
+ }
+#endif /* BACKSQL_COUNTQUERY */
+
+ /* TimesTen */
+ if ( !BER_BVISNULL( &at->bam_sel_expr_u ) ) {
+ ch_free( at->bam_sel_expr_u.bv_val );
+ }
+
+ if ( at->bam_next ) {
+ backsql_free_attr( at->bam_next );
+ }
+
+ ch_free( at );
+
+ Debug( LDAP_DEBUG_TRACE, "<==free_attr()\n", 0, 0, 0 );
+}
+
+static void
+backsql_free_oc( void *v_oc )
+{
+ backsql_oc_map_rec *oc = v_oc;
+
+ Debug( LDAP_DEBUG_TRACE, "==>free_oc(): \"%s\"\n",
+ BACKSQL_OC_NAME( oc ), 0, 0 );
+ avl_free( oc->bom_attrs, backsql_free_attr );
+ ch_free( oc->bom_keytbl.bv_val );
+ ch_free( oc->bom_keycol.bv_val );
+ if ( oc->bom_create_proc != NULL ) {
+ ch_free( oc->bom_create_proc );
+ }
+ if ( oc->bom_create_keyval != NULL ) {
+ ch_free( oc->bom_create_keyval );
+ }
+ if ( oc->bom_delete_proc != NULL ) {
+ ch_free( oc->bom_delete_proc );
+ }
+ ch_free( oc );
+
+ Debug( LDAP_DEBUG_TRACE, "<==free_oc()\n", 0, 0, 0 );
+}
+
+int
+backsql_destroy_schema_map( backsql_info *bi )
+{
+ Debug( LDAP_DEBUG_TRACE, "==>destroy_schema_map()\n", 0, 0, 0 );
+ avl_free( bi->sql_oc_by_oc, 0 );
+ avl_free( bi->sql_oc_by_id, backsql_free_oc );
+ Debug( LDAP_DEBUG_TRACE, "<==destroy_schema_map()\n", 0, 0, 0 );
+ return 0;
+}
+