server side dcerpc defines
Copyright (C) Andrew Tridgell 2003
+ Copyright (C) Stefan (metze) Metzmacher 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
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+/* modules can use the following to determine if the interface has changed
+ * please increment the version number after each interface change
+ * with a comment and maybe update struct dcesrv_critical_sizes.
+ */
+/* version 1 - initial version - metze */
+#define DCERPC_MODULE_VERSION 1
enum endpoint_type {ENDPOINT_SMB, ENDPOINT_TCP};
/* a description of a single dcerpc endpoint. Not as flexible as a full epm tower,
but much easier to work with */
-struct dcesrv_endpoint {
+struct dcesrv_ep_description {
enum endpoint_type type;
union {
const char *smb_pipe;
} info;
};
-/* a endpoint combined with an interface description */
-struct dcesrv_ep_iface {
- const char *name;
- struct dcesrv_endpoint endpoint;
- const char *uuid;
- uint32 if_version;
-};
-
-struct dcesrv_state;
+struct dcesrv_connection;
+struct dcesrv_call_state;
/* the dispatch functions for an interface take this form */
-typedef NTSTATUS (*dcesrv_dispatch_fn_t)(struct dcesrv_state *, TALLOC_CTX *, void *);
+typedef NTSTATUS (*dcesrv_dispatch_fn_t)(struct dcesrv_call_state *, TALLOC_CTX *, void *);
+
+struct dcesrv_interface {
+ /* the ndr function table for the chosen interface */
+ const struct dcerpc_interface_table *ndr;
+
+ /* this function is called when the client binds to this interface */
+ NTSTATUS (*bind)(struct dcesrv_call_state *, const struct dcesrv_interface *);
+
+ /* this function is called when the client disconnects the endpoint */
+ void (*unbind)(struct dcesrv_connection *, const struct dcesrv_interface *);
+
+ /* the dispatch function for the chosen interface.
+ */
+ dcesrv_dispatch_fn_t dispatch;
+};
/* the state of an ongoing dcerpc call */
struct dcesrv_call_state {
struct dcesrv_call_state *next, *prev;
- struct dcesrv_state *dce;
+ struct dcesrv_connection *conn;
TALLOC_CTX *mem_ctx;
struct dcerpc_packet pkt;
/* the state associated with a dcerpc server connection */
-struct dcesrv_state {
+struct dcesrv_connection {
/* the top level context for this server */
- struct dcesrv_context *dce;
+ struct dcesrv_context *dce_ctx;
TALLOC_CTX *mem_ctx;
/* the endpoint that was opened */
- struct dcesrv_endpoint endpoint;
-
- /* endpoint operations provided by the endpoint server */
- const struct dcesrv_endpoint_ops *ops;
+ const struct dcesrv_endpoint *endpoint;
/* the ndr function table for the chosen interface */
- const struct dcerpc_interface_table *ndr;
-
- /* the dispatch table for the chosen interface. Must contain
- enough entries for all entries in the ndr table */
- const dcesrv_dispatch_fn_t *dispatch;
+ const struct dcesrv_interface *iface;
/* the state of the current calls */
struct dcesrv_call_state *call_list;
/* the maximum size the client wants to receive */
uint32 cli_max_recv_frag;
- /* private data for the endpoint server */
+ /* private data for the interface implementation */
void *private;
/* current rpc handles - this is really the wrong scope for
};
-struct dcesrv_endpoint_ops {
- /* this function is used to ask an endpoint server if it
- handles a particular endpoint */
- BOOL (*query_endpoint)(const struct dcesrv_endpoint *);
-
- /* this function sets up the dispatch table for this
- connection */
- BOOL (*set_interface)(struct dcesrv_state *, const char *, uint32);
-
- /* connect() is called when a connection is made to an endpoint */
- NTSTATUS (*connect)(struct dcesrv_state *);
-
- /* disconnect() is called when the endpoint is disconnected */
- void (*disconnect)(struct dcesrv_state *);
+struct dcesrv_endpoint_server {
+ /* this is the name of the endpoint server */
+ const char *name;
- /* this function is used to ask an endpoint server for a list
- of endpoints/interfaces it wants to handle */
- int (*lookup_endpoints)(TALLOC_CTX *mem_ctx, struct dcesrv_ep_iface **);
+ /* this function should register endpoints and some other setup stuff,
+ * it is called when the dcesrv_context gets initialized.
+ */
+ NTSTATUS (*init_server)(struct dcesrv_context *, const struct dcesrv_endpoint_server *);
+
+ /* this function can be used by other endpoint servers to
+ * ask for a dcesrv_interface implementation
+ * - iface must be referenz to an allready existent struct !
+ */
+ BOOL (*interface_by_uuid)(struct dcesrv_interface *iface, const char *, uint32);
+
+ /* this function can be used by other endpoint servers to
+ * ask for a dcesrv_interface implementation
+ * - iface must be referenz to an allready existent struct !
+ */
+ BOOL (*interface_by_name)(struct dcesrv_interface *iface, const char *);
};
/* server-wide context information for the dcerpc server */
struct dcesrv_context {
-
- /* the list of endpoints servers that have registered */
- struct dce_endpoint {
- struct dce_endpoint *next, *prev;
- struct dcesrv_endpoint endpoint;
- const struct dcesrv_endpoint_ops *endpoint_ops;
+ TALLOC_CTX *mem_ctx;
+
+ /* the list of endpoints that have registered
+ * by the configured endpoint servers
+ */
+ struct dcesrv_endpoint {
+ struct dcesrv_endpoint *next, *prev;
+ /* the type and location of the endpoint */
+ struct dcesrv_ep_description ep_description;
+ /* the security descriptor for smb named pipes */
+ struct security_descriptor *sd;
+ /* the list of interfaces available on this endpoint */
+ struct dcesrv_if_list {
+ struct dcesrv_if_list *next, *prev;
+ struct dcesrv_interface iface;
+ } *interface_list;
} *endpoint_list;
};
+
+/* this structure is used by modules to determine the size of some critical types */
+struct dcesrv_critical_sizes {
+ int interface_version;
+ int sizeof_dcesrv_context;
+ int sizeof_dcesrv_endpoint;
+ int sizeof_dcesrv_endpoint_server;
+ int sizeof_dcesrv_ep_description;
+ int sizeof_dcesrv_interface;
+ int sizeof_dcesrv_if_list;
+ int sizeof_dcesrv_connection;
+ int sizeof_dcesrv_call_state;
+ int sizeof_dcesrv_auth;
+ int sizeof_dcesrv_handle;
+};
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