1 files changed, 182 insertions, 0 deletions
diff --git a/librpc/ndr/ndr_table.c b/librpc/ndr/ndr_table.c
new file mode 100644
index 0000000..69a3eda
--- /dev/null
+++ b/librpc/ndr/ndr_table.c
@@ -0,0 +1,182 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   dcerpc utility functions
+
+   Copyright (C) Andrew Tridgell 2003
+   Copyright (C) Jelmer Vernooij 2004
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "../lib/util/dlinklist.h"
+#include "librpc/ndr/libndr.h"
+#include "librpc/ndr/ndr_table.h"
+#undef strcasecmp
+
+static struct ndr_interface_list *ndr_interfaces;
+
+/*
+  register a ndr interface table
+*/
+NTSTATUS ndr_table_register(const struct ndr_interface_table *table)
+{
+	struct ndr_interface_list *l;
+
+	for (l = ndr_interfaces; l; l = l->next) {
+		/*
+		 * If no GUID is supplied, use the name to determine
+		 * uniqueness.
+		 */
+		if (GUID_all_zero(&table->syntax_id.uuid)) {
+			if (strcmp(table->name,
+				   l->table->name) != 0) {
+				continue;
+			}
+			DBG_ERR("Attempt to register interface %s which has the "
+				"same name as already registered interface\n",
+				table->name);
+		} else {
+			if (!GUID_equal(&table->syntax_id.uuid,
+					&l->table->syntax_id.uuid)) {
+				continue;
+			}
+			DBG_ERR("Attempt to register interface %s which has the "
+				"same UUID as already registered interface %s\n",
+				table->name, l->table->name);
+		}
+		return NT_STATUS_OBJECT_NAME_COLLISION;
+	}
+
+	/*
+	 * This is a singleton instance guaranteed
+	 * by the above check to be only added once
+	 * into the list so we can allocate off the NULL
+	 * context. We never want this to be freed
+	 * until process shutdown. If needed we could
+	 * add a deregister function that walks and
+	 * frees the list.
+	 */
+
+	l = talloc(NULL, struct ndr_interface_list);
+	l->table = table;
+
+	DLIST_ADD(ndr_interfaces, l);
+
+  	return NT_STATUS_OK;
+}
+
+/*
+  find the pipe name for a local IDL interface
+*/
+const char *ndr_interface_name(const struct GUID *uuid, uint32_t if_version)
+{
+	const struct ndr_interface_list *l;
+	for (l=ndr_table_list();l;l=l->next) {
+		if (GUID_equal(&l->table->syntax_id.uuid, uuid) &&
+		    l->table->syntax_id.if_version == if_version) {
+			return l->table->name;
+		}
+	}
+	return "UNKNOWN";
+}
+
+/*
+  find the number of calls defined by local IDL
+*/
+int ndr_interface_num_calls(const struct GUID *uuid, uint32_t if_version)
+{
+	const struct ndr_interface_list *l;
+	for (l=ndr_table_list();l;l=l->next){
+		if (GUID_equal(&l->table->syntax_id.uuid, uuid) &&
+		    l->table->syntax_id.if_version == if_version) {
+			return l->table->num_calls;
+		}
+	}
+	return -1;
+}
+
+
+/*
+  find a dcerpc interface by name
+*/
+const struct ndr_interface_table *ndr_table_by_name(const char *name)
+{
+	const struct ndr_interface_list *l;
+	for (l=ndr_table_list();l;l=l->next) {
+		if (strcasecmp(l->table->name, name) == 0) {
+			return l->table;
+		}
+	}
+	return NULL;
+}
+
+/*
+  find a dcerpc interface by syntax
+*/
+const struct ndr_interface_table *ndr_table_by_syntax(const struct ndr_syntax_id *syntax)
+{
+	const struct ndr_interface_list *l;
+	if (GUID_all_zero(&syntax->uuid)) {
+		/* These are not unique */
+		return NULL;
+	}
+	for (l=ndr_table_list();l;l=l->next) {
+		if (ndr_syntax_id_equal(&l->table->syntax_id, syntax)) {
+			return l->table;
+		}
+	}
+	return NULL;
+}
+
+/*
+  find a dcerpc interface by uuid
+*/
+const struct ndr_interface_table *ndr_table_by_uuid(const struct GUID *uuid)
+{
+	const struct ndr_interface_list *l;
+	if (GUID_all_zero(uuid)) {
+		/* These are not unique */
+		return NULL;
+	}
+	for (l=ndr_table_list();l;l=l->next) {
+		if (GUID_equal(&l->table->syntax_id.uuid, uuid)) {
+			return l->table;
+		}
+	}
+	return NULL;
+}
+
+/*
+  return the list of registered dcerpc_pipes
+*/
+const struct ndr_interface_list *ndr_table_list(void)
+{
+	ndr_table_init();
+	return ndr_interfaces;
+}
+
+
+NTSTATUS ndr_table_init(void)
+{
+	static bool initialized = false;
+
+	if (initialized) return NT_STATUS_OK;
+	initialized = true;
+
+	ndr_table_register_builtin_tables();
+
+	return NT_STATUS_OK;
+}