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   1 /*
   2  * RPC binding API
   3  *
   4  * Copyright 2001 Ove Kåven, TransGaming Technologies
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #ifndef __WINE_RPC_BINDING_H
  22 #define __WINE_RPC_BINDING_H
  23
  24 #include "rpcndr.h"
  25 #include "security.h"
  26 #include "wine/list.h"
  27
  28
  29 typedef struct _RpcAuthInfo
  30 {
  31   LONG refs;
  32
  33   ULONG AuthnLevel;
  34   ULONG AuthnSvc;
  35   CredHandle cred;
  36   TimeStamp exp;
  37   ULONG cbMaxToken;
  38   /* the auth identity pointer that the application passed us (freed by application) */
  39   RPC_AUTH_IDENTITY_HANDLE *identity;
  40   /* our copy of NT auth identity structure, if the authentication service
  41    * takes an NT auth identity */
  42   SEC_WINNT_AUTH_IDENTITY_W *nt_identity;
  43   LPWSTR server_principal_name;
  44 } RpcAuthInfo;
  45
  46 typedef struct _RpcQualityOfService
  47 {
  48     LONG refs;
  49
  50     RPC_SECURITY_QOS_V2_W *qos;
  51 } RpcQualityOfService;
  52
  53 struct connection_ops;
  54
  55 typedef struct _RpcConnection
  56 {
  57   BOOL server;
  58   LPSTR NetworkAddr;
  59   LPSTR Endpoint;
  60   LPWSTR NetworkOptions;
  61   const struct connection_ops *ops;
  62   USHORT MaxTransmissionSize;
  63
  64   /* authentication */
  65   CtxtHandle ctx;
  66   TimeStamp exp;
  67   ULONG attr;
  68   RpcAuthInfo *AuthInfo;
  69   ULONG encryption_auth_len;
  70   ULONG signature_auth_len;
  71   RpcQualityOfService *QOS;
  72
  73   /* client-only */
  74   struct list conn_pool_entry;
  75   ULONG assoc_group_id; /* association group returned during binding */
  76   RPC_ASYNC_STATE *async_state;
  77
  78   /* server-only */
  79   /* The active interface bound to server. */
  80   RPC_SYNTAX_IDENTIFIER ActiveInterface;
  81   USHORT NextCallId;
  82   struct _RpcConnection* Next;
  83   struct _RpcBinding *server_binding;
  84 } RpcConnection;
  85
  86 struct connection_ops {
  87   const char *name;
  88   unsigned char epm_protocols[2]; /* only floors 3 and 4. see http://www.opengroup.org/onlinepubs/9629399/apdxl.htm */
  89   RpcConnection *(*alloc)(void);
  90   RPC_STATUS (*open_connection_client)(RpcConnection *conn);
  91   RPC_STATUS (*handoff)(RpcConnection *old_conn, RpcConnection *new_conn);
  92   int (*read)(RpcConnection *conn, void *buffer, unsigned int len);
  93   int (*write)(RpcConnection *conn, const void *buffer, unsigned int len);
  94   int (*close)(RpcConnection *conn);
  95   void (*cancel_call)(RpcConnection *conn);
  96   int (*wait_for_incoming_data)(RpcConnection *conn);
  97   size_t (*get_top_of_tower)(unsigned char *tower_data, const char *networkaddr, const char *endpoint);
  98   RPC_STATUS (*parse_top_of_tower)(const unsigned char *tower_data, size_t tower_size, char **networkaddr, char **endpoint);
  99 };
 100
 101 /* don't know what MS's structure looks like */
 102 typedef struct _RpcBinding
 103 {
 104   LONG refs;
 105   struct _RpcBinding* Next;
 106   BOOL server;
 107   UUID ObjectUuid;
 108   LPSTR Protseq;
 109   LPSTR NetworkAddr;
 110   LPSTR Endpoint;
 111   LPWSTR NetworkOptions;
 112   RPC_BLOCKING_FN BlockingFn;
 113   ULONG ServerTid;
 114   RpcConnection* FromConn;
 115   struct _RpcAssoc *Assoc;
 116
 117   /* authentication */
 118   RpcAuthInfo *AuthInfo;
 119   RpcQualityOfService *QOS;
 120 } RpcBinding;
 121
 122 LPSTR RPCRT4_strndupA(LPCSTR src, INT len);
 123 LPWSTR RPCRT4_strndupW(LPCWSTR src, INT len);
 124 LPSTR RPCRT4_strdupWtoA(LPCWSTR src);
 125 LPWSTR RPCRT4_strdupAtoW(LPCSTR src);
 126 void RPCRT4_strfree(LPSTR src);
 127
 128 #define RPCRT4_strdupA(x) RPCRT4_strndupA((x),-1)
 129 #define RPCRT4_strdupW(x) RPCRT4_strndupW((x),-1)
 130
 131 ULONG RpcAuthInfo_AddRef(RpcAuthInfo *AuthInfo);
 132 ULONG RpcAuthInfo_Release(RpcAuthInfo *AuthInfo);
 133 BOOL RpcAuthInfo_IsEqual(const RpcAuthInfo *AuthInfo1, const RpcAuthInfo *AuthInfo2);
 134 ULONG RpcQualityOfService_AddRef(RpcQualityOfService *qos);
 135 ULONG RpcQualityOfService_Release(RpcQualityOfService *qos);
 136 BOOL RpcQualityOfService_IsEqual(const RpcQualityOfService *qos1, const RpcQualityOfService *qos2);
 137
 138 RPC_STATUS RPCRT4_CreateConnection(RpcConnection** Connection, BOOL server, LPCSTR Protseq, LPCSTR NetworkAddr, LPCSTR Endpoint, LPCWSTR NetworkOptions, RpcAuthInfo* AuthInfo, RpcQualityOfService *QOS);
 139 RPC_STATUS RPCRT4_DestroyConnection(RpcConnection* Connection);
 140 RPC_STATUS RPCRT4_OpenClientConnection(RpcConnection* Connection);
 141 RPC_STATUS RPCRT4_CloseConnection(RpcConnection* Connection);
 142
 143 RPC_STATUS RPCRT4_ResolveBinding(RpcBinding* Binding, LPCSTR Endpoint);
 144 RPC_STATUS RPCRT4_SetBindingObject(RpcBinding* Binding, const UUID* ObjectUuid);
 145 RPC_STATUS RPCRT4_MakeBinding(RpcBinding** Binding, RpcConnection* Connection);
 146 void       RPCRT4_AddRefBinding(RpcBinding* Binding);
 147 RPC_STATUS RPCRT4_ReleaseBinding(RpcBinding* Binding);
 148 RPC_STATUS RPCRT4_OpenBinding(RpcBinding* Binding, RpcConnection** Connection,
 149                               const RPC_SYNTAX_IDENTIFIER *TransferSyntax, const RPC_SYNTAX_IDENTIFIER *InterfaceId);
 150 RPC_STATUS RPCRT4_CloseBinding(RpcBinding* Binding, RpcConnection* Connection);
 151
 152 static inline const char *rpcrt4_conn_get_name(const RpcConnection *Connection)
 153 {
 154   return Connection->ops->name;
 155 }
 156
 157 static inline int rpcrt4_conn_read(RpcConnection *Connection,
 158                      void *buffer, unsigned int len)
 159 {
 160   return Connection->ops->read(Connection, buffer, len);
 161 }
 162
 163 static inline int rpcrt4_conn_write(RpcConnection *Connection,
 164                      const void *buffer, unsigned int len)
 165 {
 166   return Connection->ops->write(Connection, buffer, len);
 167 }
 168
 169 static inline int rpcrt4_conn_close(RpcConnection *Connection)
 170 {
 171   return Connection->ops->close(Connection);
 172 }
 173
 174 static inline void rpcrt4_conn_cancel_call(RpcConnection *Connection)
 175 {
 176   Connection->ops->cancel_call(Connection);
 177 }
 178
 179 static inline RPC_STATUS rpcrt4_conn_handoff(RpcConnection *old_conn, RpcConnection *new_conn)
 180 {
 181   return old_conn->ops->handoff(old_conn, new_conn);
 182 }
 183
 184 /* floors 3 and up */
 185 RPC_STATUS RpcTransport_GetTopOfTower(unsigned char *tower_data, size_t *tower_size, const char *protseq, const char *networkaddr, const char *endpoint);
 186 RPC_STATUS RpcTransport_ParseTopOfTower(const unsigned char *tower_data, size_t tower_size, char **protseq, char **networkaddr, char **endpoint);
 187
 188 void RPCRT4_SetThreadCurrentConnection(RpcConnection *Connection);
 189 void RPCRT4_SetThreadCurrentCallHandle(RpcBinding *Binding);
 190 RpcBinding *RPCRT4_GetThreadCurrentCallHandle(void);
 191 void RPCRT4_PushThreadContextHandle(NDR_SCONTEXT SContext);
 192 void RPCRT4_RemoveThreadContextHandle(NDR_SCONTEXT SContext);
 193 NDR_SCONTEXT RPCRT4_PopThreadContextHandle(void);
 194
 195 #endif