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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/api.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/api.c')
-rw-r--r--servers/slapd/back-sql/api.c211
1 files changed, 211 insertions, 0 deletions
diff --git a/servers/slapd/back-sql/api.c b/servers/slapd/back-sql/api.c
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+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1999-2021 The OpenLDAP Foundation.
+ * Portions Copyright 1999 Dmitry Kovalev.
+ * Portions Copyright 2004 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"
+
+static backsql_api *backsqlapi;
+
+int
+backsql_api_config( backsql_info *bi, const char *name, int argc, char *argv[] )
+{
+ backsql_api *ba;
+
+ assert( bi != NULL );
+ assert( name != NULL );
+
+ for ( ba = backsqlapi; ba; ba = ba->ba_next ) {
+ if ( strcasecmp( name, ba->ba_name ) == 0 ) {
+ backsql_api *ba2;
+
+ ba2 = ch_malloc( sizeof( backsql_api ) );
+ *ba2 = *ba;
+
+ if ( ba2->ba_config ) {
+ if ( ( *ba2->ba_config )( ba2, argc, argv ) ) {
+ ch_free( ba2 );
+ return 1;
+ }
+ ba2->ba_argc = argc;
+ if ( argc ) {
+ int i;
+ ba2->ba_argv = ch_malloc( argc * sizeof(char *));
+ for ( i=0; i<argc; i++ )
+ ba2->ba_argv[i] = ch_strdup( argv[i] );
+ }
+ }
+
+ ba2->ba_next = bi->sql_api;
+ bi->sql_api = ba2;
+ return 0;
+ }
+ }
+
+ return 1;
+}
+
+int
+backsql_api_destroy( backsql_info *bi )
+{
+ backsql_api *ba;
+
+ assert( bi != NULL );
+
+ ba = bi->sql_api;
+
+ if ( ba == NULL ) {
+ return 0;
+ }
+
+ for ( ; ba; ba = ba->ba_next ) {
+ if ( ba->ba_destroy ) {
+ (void)( *ba->ba_destroy )( ba );
+ }
+ }
+
+ return 0;
+}
+
+int
+backsql_api_register( backsql_api *ba )
+{
+ backsql_api *ba2;
+
+ assert( ba != NULL );
+ assert( ba->ba_private == NULL );
+
+ if ( ba->ba_name == NULL ) {
+ fprintf( stderr, "API module has no name\n" );
+ exit(EXIT_FAILURE);
+ }
+
+ for ( ba2 = backsqlapi; ba2; ba2 = ba2->ba_next ) {
+ if ( strcasecmp( ba->ba_name, ba2->ba_name ) == 0 ) {
+ fprintf( stderr, "API module \"%s\" already defined\n", ba->ba_name );
+ exit( EXIT_FAILURE );
+ }
+ }
+
+ ba->ba_next = backsqlapi;
+ backsqlapi = ba;
+
+ return 0;
+}
+
+int
+backsql_api_dn2odbc( Operation *op, SlapReply *rs, struct berval *dn )
+{
+ backsql_info *bi = (backsql_info *)op->o_bd->be_private;
+ backsql_api *ba;
+ int rc;
+ struct berval bv;
+
+ ba = bi->sql_api;
+
+ if ( ba == NULL ) {
+ return 0;
+ }
+
+ ber_dupbv( &bv, dn );
+
+ for ( ; ba; ba = ba->ba_next ) {
+ if ( ba->ba_dn2odbc ) {
+ /*
+ * The dn2odbc() helper is supposed to rewrite
+ * the contents of bv, freeing the original value
+ * with ch_free() if required and replacing it
+ * with a newly allocated one using ch_malloc()
+ * or companion functions.
+ *
+ * NOTE: it is supposed to __always__ free
+ * the value of bv in case of error, and reset
+ * it with BER_BVZERO() .
+ */
+ rc = ( *ba->ba_dn2odbc )( op, rs, &bv );
+
+ if ( rc ) {
+ /* in case of error, dn2odbc() must cleanup */
+ assert( BER_BVISNULL( &bv ) );
+
+ return rc;
+ }
+ }
+ }
+
+ assert( !BER_BVISNULL( &bv ) );
+
+ *dn = bv;
+
+ return 0;
+}
+
+int
+backsql_api_odbc2dn( Operation *op, SlapReply *rs, struct berval *dn )
+{
+ backsql_info *bi = (backsql_info *)op->o_bd->be_private;
+ backsql_api *ba;
+ int rc;
+ struct berval bv;
+
+ ba = bi->sql_api;
+
+ if ( ba == NULL ) {
+ return 0;
+ }
+
+ ber_dupbv( &bv, dn );
+
+ for ( ; ba; ba = ba->ba_next ) {
+ if ( ba->ba_dn2odbc ) {
+ rc = ( *ba->ba_odbc2dn )( op, rs, &bv );
+ /*
+ * The odbc2dn() helper is supposed to rewrite
+ * the contents of bv, freeing the original value
+ * with ch_free() if required and replacing it
+ * with a newly allocated one using ch_malloc()
+ * or companion functions.
+ *
+ * NOTE: it is supposed to __always__ free
+ * the value of bv in case of error, and reset
+ * it with BER_BVZERO() .
+ */
+ if ( rc ) {
+ /* in case of error, odbc2dn() must cleanup */
+ assert( BER_BVISNULL( &bv ) );
+
+ return rc;
+ }
+ }
+ }
+
+ assert( !BER_BVISNULL( &bv ) );
+
+ *dn = bv;
+
+ return 0;
+}
+