1 files changed, 91 insertions, 0 deletions
diff --git a/source4/rpc_server/handles.c b/source4/rpc_server/handles.c
new file mode 100644
index 0000000000..47174b6eeb
--- /dev/null
+++ b/source4/rpc_server/handles.c
@@ -0,0 +1,91 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   server side dcerpc handle code
+
+   Copyright (C) Andrew Tridgell 2003
+   
+   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 "rpc_server/dcerpc_server.h"
+
+/*
+  destroy a rpc handle
+*/
+static int dcesrv_handle_destructor(struct dcesrv_handle *h)
+{
+	DLIST_REMOVE(h->context->handles, h);
+	talloc_free(h);
+	return 0;
+}
+
+
+/*
+  allocate a new rpc handle
+*/
+_PUBLIC_ struct dcesrv_handle *dcesrv_handle_new(struct dcesrv_connection_context *context, 
+					uint8_t handle_type)
+{
+	struct dcesrv_handle *h;
+
+	h = talloc(context, struct dcesrv_handle);
+	if (!h) {
+		return NULL;
+	}
+	h->data = NULL;
+	h->context = context;
+
+	h->wire_handle.handle_type = handle_type;
+	h->wire_handle.uuid = GUID_random();
+	
+	DLIST_ADD(context->handles, h);
+
+	talloc_set_destructor(h, dcesrv_handle_destructor);
+
+	return h;
+}
+
+/**
+  find an internal handle given a wire handle. If the wire handle is NULL then
+  allocate a new handle
+*/
+_PUBLIC_ struct dcesrv_handle *dcesrv_handle_fetch(
+					  struct dcesrv_connection_context *context, 
+					  struct policy_handle *p,
+					  uint8_t handle_type)
+{
+	struct dcesrv_handle *h;
+
+	if (policy_handle_empty(p)) {
+		return dcesrv_handle_new(context, handle_type);
+	}
+
+	for (h=context->handles; h; h=h->next) {
+		if (h->wire_handle.handle_type == p->handle_type &&
+		    GUID_equal(&p->uuid, &h->wire_handle.uuid)) {
+			if (handle_type != DCESRV_HANDLE_ANY &&
+			    p->handle_type != handle_type) {
+				DEBUG(0,("client gave us the wrong handle type (%d should be %d)\n",
+					 p->handle_type, handle_type));
+				return NULL;
+			}
+			return h;
+		}
+	}
+
+	return NULL;
+}