rpcrt4: Add functions for generating and parsing the upper floors in…

dlls/rpcrt4/epm_towers.h

+/*
+ * Endpoint Mapper Tower Definitions
+ *
+ * Copyright 2006 Robert Shearman (for CodeWeavers)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ *
+ */
+
+#define EPM_PROTOCOL_DNET_NSP		0x04
+#define EPM_PROTOCOL_OSI_TP4  		0x05
+#define EPM_PROTOCOL_OSI_CLNS 		0x06
+#define EPM_PROTOCOL_TCP     		0x07
+#define EPM_PROTOCOL_UDP     		0x08
+#define EPM_PROTOCOL_IP      		0x09
+#define EPM_PROTOCOL_NCADG 			0x0a /* Connectionless RPC */
+#define EPM_PROTOCOL_NCACN 			0x0b
+#define EPM_PROTOCOL_NCALRPC 		0x0c /* Local RPC */
+#define EPM_PROTOCOL_UUID 			0x0d
+#define EPM_PROTOCOL_IPX  			0x0e
+#define EPM_PROTOCOL_SMB     		0x0f
+#define EPM_PROTOCOL_PIPE    		0x10
+#define EPM_PROTOCOL_NETBIOS 		0x11
+#define EPM_PROTOCOL_NETBEUI   		0x12
+#define EPM_PROTOCOL_SPX     		0x13
+#define EPM_PROTOCOL_NB_IPX  		0x14 /* NetBIOS over IPX */
+#define EPM_PROTOCOL_DSP 			0x16 /* AppleTalk Data Stream Protocol */
+#define EPM_PROTOCOL_DDP		    0x17 /* AppleTalk Data Datagram Protocol */
+#define EPM_PROTOCOL_APPLETALK		0x18 /* AppleTalk */
+#define EPM_PROTOCOL_VINES_SPP		0x1a 
+#define EPM_PROTOCOL_VINES_IPC		0x1b /* Inter Process Communication */
+#define EPM_PROTOCOL_STREETTALK		0x1c /* Vines Streettalk */
+#define EPM_PROTOCOL_HTTP    		0x1f
+#define EPM_PROTOCOL_UNIX_DS  		0x20 /* Unix domain socket */
+#define EPM_PROTOCOL_NULL			0x21
+
+#include <pshpack1.h>
+
+typedef unsigned char u_int8;
+typedef unsigned short u_int16;
+typedef unsigned int u_int32;
+typedef GUID uuid_t;
+
+typedef struct
+{
+    u_int16 count_lhs;
+    u_int8 protid;
+    uuid_t uuid;
+    u_int16 major_version;
+    u_int16 count_rhs;
+    u_int16 minor_version;
+} twr_uuid_floor_t;
+
+typedef struct
+{
+    u_int16 count_lhs;
+    u_int8 protid;
+    u_int16 count_rhs;
+    u_int16 port;
+} twr_tcp_floor_t;
+
+typedef struct
+{
+    u_int16 count_lhs;
+    u_int8 protid;
+    u_int16 count_rhs;
+    u_int32 ipv4addr;
+} twr_ipv4_floor_t;
+
+typedef struct
+{
+    u_int16 count_lhs;
+    u_int8 protid;
+    u_int16 count_rhs;
+} twr_empty_floor_t;
+
+#include <poppack.h>

dlls/rpcrt4/rpc_binding.h

@@ -58,7 +58,8 @@ typedef struct _RpcConnection
 } RpcConnection;
 
 struct protseq_ops {
-  char *name;
+  const char *name;
+  unsigned char epm_protocols[2]; /* only floors 3 and 4. see http://www.opengroup.org/onlinepubs/9629399/apdxl.htm */
   RpcConnection *(*alloc)(void);
   RPC_STATUS (*open_connection)(RpcConnection *conn);
   HANDLE (*get_connect_wait_handle)(RpcConnection *conn);
@@ -66,6 +67,8 @@ struct protseq_ops {
   int (*read)(RpcConnection *conn, void *buffer, unsigned int len);
   int (*write)(RpcConnection *conn, const void *buffer, unsigned int len);
   int (*close)(RpcConnection *conn);
+  size_t (*get_top_of_tower)(unsigned char *tower_data, const char *networkaddr, const char *endpoint);
+  RPC_STATUS (*parse_top_of_tower)(const unsigned char *tower_data, size_t tower_size, char **networkaddr, char **endpoint);
 };
 
 /* don't know what MS's structure looks like */
@@ -151,4 +154,8 @@ static inline RPC_STATUS rpcrt4_conn_handoff(RpcConnection *old_conn, RpcConnect
   return old_conn->ops->handoff(old_conn, new_conn);
 }
 
+/* floors 3 and up */
+RPC_STATUS RpcTransport_GetTopOfTower(unsigned char *tower_data, size_t *tower_size, const char *protseq, const char *networkaddr, const char *endpoint);
+RPC_STATUS RpcTransport_ParseTopOfTower(const unsigned char *tower_data, size_t tower_size, char **protseq, char **networkaddr, char **endpoint);
+
 #endif