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, 177 insertions, 0 deletions

diff --git a/servers/slapd/back-perl/init.c b/servers/slapd/back-perl/init.c
new file mode 100644
index 0000000..9715eb7
--- /dev/null
+++ b/servers/slapd/back-perl/init.c
@@ -0,0 +1,177 @@
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1999-2021 The OpenLDAP Foundation.
+ * Portions Copyright 1999 John C. Quillan.
+ * Portions Copyright 2002 myinternet Limited.
+ * 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 file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+
+#include "perl_back.h"
+#include "../config.h"
+
+#ifdef PERL_SYS_INIT3
+#include <ac/unistd.h>		/* maybe get environ */
+extern char **environ;
+#endif
+
+static void perl_back_xs_init LDAP_P((PERL_BACK_XS_INIT_PARAMS));
+EXT void boot_DynaLoader LDAP_P((PERL_BACK_BOOT_DYNALOADER_PARAMS));
+
+PerlInterpreter *PERL_INTERPRETER = NULL;
+ldap_pvt_thread_mutex_t	perl_interpreter_mutex;
+
+
+/**********************************************************
+ *
+ * Init
+ *
+ **********************************************************/
+
+int
+perl_back_initialize(
+	BackendInfo	*bi
+)
+{
+	char *embedding[] = { "", "-e", "0", NULL }, **argv = embedding;
+	int argc = 3;
+#ifdef PERL_SYS_INIT3
+	char **env = environ;
+#else
+	char **env = NULL;
+#endif
+
+	bi->bi_open = NULL;
+	bi->bi_config = 0;
+	bi->bi_close = perl_back_close;
+	bi->bi_destroy = 0;
+
+	bi->bi_db_init = perl_back_db_init;
+	bi->bi_db_config = perl_back_db_config;
+	bi->bi_db_open = perl_back_db_open;
+	bi->bi_db_close = 0;
+	bi->bi_db_destroy = perl_back_db_destroy;
+
+	bi->bi_op_bind = perl_back_bind;
+	bi->bi_op_unbind = 0;
+	bi->bi_op_search = perl_back_search;
+	bi->bi_op_compare = perl_back_compare;
+	bi->bi_op_modify = perl_back_modify;
+	bi->bi_op_modrdn = perl_back_modrdn;
+	bi->bi_op_add = perl_back_add;
+	bi->bi_op_delete = perl_back_delete;
+	bi->bi_op_abandon = 0;
+
+	bi->bi_extended = 0;
+
+	bi->bi_chk_referrals = 0;
+
+	bi->bi_connection_init = 0;
+	bi->bi_connection_destroy = 0;
+
+	/* injecting code from perl_back_open, because using fonction reference  (bi->bi_open) is not functional */
+	Debug( LDAP_DEBUG_TRACE, "perl backend open\n", 0, 0, 0 );
+
+	if( PERL_INTERPRETER != NULL ) {
+		Debug( LDAP_DEBUG_ANY, "perl backend open: already opened\n",
+			0, 0, 0 );
+		return 1;
+	}
+	
+	ldap_pvt_thread_mutex_init( &perl_interpreter_mutex );
+
+#ifdef PERL_SYS_INIT3
+	PERL_SYS_INIT3(&argc, &argv, &env);
+#endif
+	PERL_INTERPRETER = perl_alloc();
+	perl_construct(PERL_INTERPRETER);
+#ifdef PERL_EXIT_DESTRUCT_END
+	PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
+#endif
+	perl_parse(PERL_INTERPRETER, perl_back_xs_init, argc, argv, env);
+	perl_run(PERL_INTERPRETER);
+	return perl_back_init_cf( bi );
+}
+
+int
+perl_back_db_init(
+	BackendDB	*be,
+	ConfigReply	*cr
+)
+{
+	be->be_private = (PerlBackend *) ch_malloc( sizeof(PerlBackend) );
+	memset( be->be_private, '\0', sizeof(PerlBackend));
+
+	((PerlBackend *)be->be_private)->pb_filter_search_results = 0;
+
+	Debug( LDAP_DEBUG_TRACE, "perl backend db init\n", 0, 0, 0 );
+
+	be->be_cf_ocs = be->bd_info->bi_cf_ocs;
+
+	return 0;
+}
+
+int
+perl_back_db_open(
+	BackendDB	*be,
+	ConfigReply	*cr
+)
+{
+	int count;
+	int return_code;
+
+	PerlBackend *perl_back = (PerlBackend *) be->be_private;
+
+	ldap_pvt_thread_mutex_lock( &perl_interpreter_mutex );
+
+	{
+		dSP; ENTER; SAVETMPS;
+
+		PUSHMARK(sp);
+		XPUSHs( perl_back->pb_obj_ref );
+
+		PUTBACK;
+
+		count = call_method("init", G_SCALAR);
+
+		SPAGAIN;
+
+		if (count != 1) {
+			croak("Big trouble in perl_back_db_open\n");
+		}
+
+		return_code = POPi;
+
+		PUTBACK; FREETMPS; LEAVE;
+	}
+
+	ldap_pvt_thread_mutex_unlock( &perl_interpreter_mutex );
+
+	return return_code;
+}
+
+
+static void
+perl_back_xs_init(PERL_BACK_XS_INIT_PARAMS)
+{
+	char *file = __FILE__;
+	dXSUB_SYS;
+	newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, file);
+}
+
+#if SLAPD_PERL == SLAPD_MOD_DYNAMIC
+
+/* conditionally define the init_module() function */
+SLAP_BACKEND_INIT_MODULE( perl )
+
+#endif /* SLAPD_PERL == SLAPD_MOD_DYNAMIC */
+
+