dlls/rpcrt4/rpc_binding.h

   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 #include "rpc_defs.h"
  28
  29
  30 enum secure_packet_direction
  31 {
  32   SECURE_PACKET_SEND,
  33   SECURE_PACKET_RECEIVE
  34 };
  35
  36 typedef struct _RpcAuthInfo
  37 {
  38   LONG refs;
  39
  40   ULONG AuthnLevel;
  41   ULONG AuthnSvc;
  42   CredHandle cred;
  43   TimeStamp exp;
  44   ULONG cbMaxToken;
  45   /* the auth identity pointer that the application passed us (freed by application) */
  46   RPC_AUTH_IDENTITY_HANDLE *identity;
  47   /* our copy of NT auth identity structure, if the authentication service
  48    * takes an NT auth identity */
  49   SEC_WINNT_AUTH_IDENTITY_W *nt_identity;
  50   LPWSTR server_principal_name;
  51 } RpcAuthInfo;
  52
  53 typedef struct _RpcQualityOfService
  54 {
  55     LONG refs;
  56
  57     RPC_SECURITY_QOS_V2_W *qos;
  58 } RpcQualityOfService;
  59
  60 struct connection_ops;
  61
  62 typedef struct _RpcConnection
  63 {
  64   BOOL server;
  65   LPSTR NetworkAddr;
  66   LPSTR Endpoint;
  67   LPWSTR NetworkOptions;
  68   const struct connection_ops *ops;
  69   USHORT MaxTransmissionSize;
  70
  71   /* authentication */
  72   CtxtHandle ctx;
  73   TimeStamp exp;
  74   ULONG attr;
  75   RpcAuthInfo *AuthInfo;
  76   ULONG auth_context_id;
  77   ULONG encryption_auth_len;
  78   ULONG signature_auth_len;
  79   RpcQualityOfService *QOS;
  80
  81   /* client-only */
  82   struct list conn_pool_entry;
  83   ULONG assoc_group_id; /* association group returned during binding */
  84   RPC_ASYNC_STATE *async_state;
  85   struct _RpcAssoc *assoc; /* association this connection is part of */
  86
  87   /* server-only */
  88   /* The active interface bound to server. */
  89   RPC_SYNTAX_IDENTIFIER ActiveInterface;
  90   USHORT NextCallId;
  91   struct _RpcConnection* Next;
  92   struct _RpcBinding *server_binding;
  93 } RpcConnection;
  94
  95 struct connection_ops {
  96   const char *name;
  97   unsigned char epm_protocols[2]; /* only floors 3 and 4. see http://www.opengroup.org/onlinepubs/9629399/apdxl.htm */
  98   RpcConnection *(*alloc)(void);
  99   RPC_STATUS (*open_connection_client)(RpcConnection *conn);
 100   RPC_STATUS (*handoff)(RpcConnection *old_conn, RpcConnection *new_conn);
 101   int (*read)(RpcConnection *conn, void *buffer, unsigned int len);
 102   int (*write)(RpcConnection *conn, const void *buffer, unsigned int len);
 103   int (*close)(RpcConnection *conn);
 104   void (*cancel_call)(RpcConnection *conn);
 105   int (*wait_for_incoming_data)(RpcConnection *conn);
 106   size_t (*get_top_of_tower)(unsigned char *tower_data, const char *networkaddr, const char *endpoint);
 107   RPC_STATUS (*parse_top_of_tower)(const unsigned char *tower_data, size_t tower_size, char **networkaddr, char **endpoint);
 108   RPC_STATUS (*receive_fragment)(RpcConnection *conn, RpcPktHdr **Header, void **Payload);
 109   BOOL (*is_authorized)(RpcConnection *conn);
 110   RPC_STATUS (*authorize)(RpcConnection *conn, BOOL first_time, unsigned char *in_buffer, unsigned int in_len, unsigned char *out_buffer, unsigned int *out_len);
 111   RPC_STATUS (*secure_packet)(RpcConnection *Connection, enum secure_packet_direction dir, RpcPktHdr *hdr, unsigned int hdr_size, unsigned char *stub_data, unsigned int stub_data_size, RpcAuthVerifier *auth_hdr, unsigned char *auth_value, unsigned int auth_value_size);
 112   RPC_STATUS (*impersonate_client)(RpcConnection *conn);
 113   RPC_STATUS (*revert_to_self)(RpcConnection *conn);
 114   RPC_STATUS (*inquire_auth_client)(RpcConnection *, RPC_AUTHZ_HANDLE *, RPC_WSTR *, ULONG *, ULONG *, ULONG *, ULONG);
 115 };
 116
 117 /* don't know what MS's structure looks like */
 118 typedef struct _RpcBinding
 119 {
 120   LONG refs;
 121   struct _RpcBinding* Next;
 122   BOOL server;
 123   UUID ObjectUuid;
 124   LPSTR Protseq;
 125   LPSTR NetworkAddr;
 126   LPSTR Endpoint;
 127   LPWSTR NetworkOptions;
 128   RPC_BLOCKING_FN BlockingFn;
 129   ULONG ServerTid;
 130   RpcConnection* FromConn;
 131   struct _RpcAssoc *Assoc;
 132
 133   /* authentication */
 134   RpcAuthInfo *AuthInfo;
 135   RpcQualityOfService *QOS;
 136 } RpcBinding;
 137
 138 LPSTR RPCRT4_strndupA(LPCSTR src, INT len);
 139 LPWSTR RPCRT4_strndupW(LPCWSTR src, INT len);
 140 LPSTR RPCRT4_strdupWtoA(LPCWSTR src);
 141 LPWSTR RPCRT4_strdupAtoW(LPCSTR src);
 142 void RPCRT4_strfree(LPSTR src);
 143
 144 #define RPCRT4_strdupA(x) RPCRT4_strndupA((x),-1)
 145 #define RPCRT4_strdupW(x) RPCRT4_strndupW((x),-1)
 146
 147 RPC_STATUS RpcAuthInfo_Create(ULONG AuthnLevel, ULONG AuthnSvc, CredHandle cred, TimeStamp exp, ULONG cbMaxToken, RPC_AUTH_IDENTITY_HANDLE identity, RpcAuthInfo **ret);
 148 ULONG RpcAuthInfo_AddRef(RpcAuthInfo *AuthInfo);
 149 ULONG RpcAuthInfo_Release(RpcAuthInfo *AuthInfo);
 150 BOOL RpcAuthInfo_IsEqual(const RpcAuthInfo *AuthInfo1, const RpcAuthInfo *AuthInfo2);
 151 ULONG RpcQualityOfService_AddRef(RpcQualityOfService *qos);
 152 ULONG RpcQualityOfService_Release(RpcQualityOfService *qos);
 153 BOOL RpcQualityOfService_IsEqual(const RpcQualityOfService *qos1, const RpcQualityOfService *qos2);
 154
 155 RPC_STATUS RPCRT4_CreateConnection(RpcConnection** Connection, BOOL server, LPCSTR Protseq, LPCSTR NetworkAddr, LPCSTR Endpoint, LPCWSTR NetworkOptions, RpcAuthInfo* AuthInfo, RpcQualityOfService *QOS);
 156 RPC_STATUS RPCRT4_DestroyConnection(RpcConnection* Connection);
 157 RPC_STATUS RPCRT4_OpenClientConnection(RpcConnection* Connection);
 158 RPC_STATUS RPCRT4_CloseConnection(RpcConnection* Connection);
 159
 160 RPC_STATUS RPCRT4_ResolveBinding(RpcBinding* Binding, LPCSTR Endpoint);
 161 RPC_STATUS RPCRT4_SetBindingObject(RpcBinding* Binding, const UUID* ObjectUuid);
 162 RPC_STATUS RPCRT4_MakeBinding(RpcBinding** Binding, RpcConnection* Connection);
 163 void       RPCRT4_AddRefBinding(RpcBinding* Binding);
 164 RPC_STATUS RPCRT4_ReleaseBinding(RpcBinding* Binding);
 165 RPC_STATUS RPCRT4_OpenBinding(RpcBinding* Binding, RpcConnection** Connection,
 166                               const RPC_SYNTAX_IDENTIFIER *TransferSyntax, const RPC_SYNTAX_IDENTIFIER *InterfaceId);
 167 RPC_STATUS RPCRT4_CloseBinding(RpcBinding* Binding, RpcConnection* Connection);
 168
 169 static inline const char *rpcrt4_conn_get_name(const RpcConnection *Connection)
 170 {
 171   return Connection->ops->name;
 172 }
 173
 174 static inline int rpcrt4_conn_read(RpcConnection *Connection,
 175                      void *buffer, unsigned int len)
 176 {
 177   return Connection->ops->read(Connection, buffer, len);
 178 }
 179
 180 static inline int rpcrt4_conn_write(RpcConnection *Connection,
 181                      const void *buffer, unsigned int len)
 182 {
 183   return Connection->ops->write(Connection, buffer, len);
 184 }
 185
 186 static inline int rpcrt4_conn_close(RpcConnection *Connection)
 187 {
 188   return Connection->ops->close(Connection);
 189 }
 190
 191 static inline void rpcrt4_conn_cancel_call(RpcConnection *Connection)
 192 {
 193   Connection->ops->cancel_call(Connection);
 194 }
 195
 196 static inline RPC_STATUS rpcrt4_conn_handoff(RpcConnection *old_conn, RpcConnection *new_conn)
 197 {
 198   return old_conn->ops->handoff(old_conn, new_conn);
 199 }
 200
 201 static inline BOOL rpcrt4_conn_is_authorized(RpcConnection *Connection)
 202 {
 203     return Connection->ops->is_authorized(Connection);
 204 }
 205
 206 static inline RPC_STATUS rpcrt4_conn_authorize(
 207     RpcConnection *conn, BOOL first_time, unsigned char *in_buffer,
 208     unsigned int in_len, unsigned char *out_buffer, unsigned int *out_len)
 209 {
 210     return conn->ops->authorize(conn, first_time, in_buffer, in_len, out_buffer, out_len);
 211 }
 212
 213 static inline RPC_STATUS rpcrt4_conn_secure_packet(
 214     RpcConnection *conn, enum secure_packet_direction dir,
 215     RpcPktHdr *hdr, unsigned int hdr_size, unsigned char *stub_data,
 216     unsigned int stub_data_size, RpcAuthVerifier *auth_hdr,
 217     unsigned char *auth_value, unsigned int auth_value_size)
 218 {
 219     return conn->ops->secure_packet(conn, dir, hdr, hdr_size, stub_data, stub_data_size, auth_hdr, auth_value, auth_value_size);
 220 }
 221
 222 static inline RPC_STATUS rpcrt4_conn_impersonate_client(
 223     RpcConnection *conn)
 224 {
 225     return conn->ops->impersonate_client(conn);
 226 }
 227
 228 static inline RPC_STATUS rpcrt4_conn_revert_to_self(
 229     RpcConnection *conn)
 230 {
 231     return conn->ops->revert_to_self(conn);
 232 }
 233
 234 static inline RPC_STATUS rpcrt4_conn_inquire_auth_client(
 235     RpcConnection *conn, RPC_AUTHZ_HANDLE *privs, RPC_WSTR *server_princ_name,
 236     ULONG *authn_level, ULONG *authn_svc, ULONG *authz_svc, ULONG flags)
 237 {
 238     return conn->ops->inquire_auth_client(conn, privs, server_princ_name, authn_level, authn_svc, authz_svc, flags);
 239 }
 240
 241 /* floors 3 and up */
 242 RPC_STATUS RpcTransport_GetTopOfTower(unsigned char *tower_data, size_t *tower_size, const char *protseq, const char *networkaddr, const char *endpoint);
 243 RPC_STATUS RpcTransport_ParseTopOfTower(const unsigned char *tower_data, size_t tower_size, char **protseq, char **networkaddr, char **endpoint);
 244
 245 void RPCRT4_SetThreadCurrentConnection(RpcConnection *Connection);
 246 void RPCRT4_SetThreadCurrentCallHandle(RpcBinding *Binding);
 247 RpcBinding *RPCRT4_GetThreadCurrentCallHandle(void);
 248 void RPCRT4_PushThreadContextHandle(NDR_SCONTEXT SContext);
 249 void RPCRT4_RemoveThreadContextHandle(NDR_SCONTEXT SContext);
 250 NDR_SCONTEXT RPCRT4_PopThreadContextHandle(void);
 251
 252 #endif