ReactOS 0.4.15-dev-8207-gd73a838
ndr_contexthandle.c File Reference
#include "ndr_misc.h"
#include "rpc_assoc.h"
#include "rpcndr.h"
#include "wine/debug.h"
#include "wine/list.h"
Include dependency graph for ndr_contexthandle.c:

Go to the source code of this file.

Classes

struct  ndr_context_handle
 
struct  context_handle_entry
 

Macros

#define NDR_CONTEXT_HANDLE_MAGIC   0x4352444e
 

Typedefs

typedef struct ndr_context_handle ndr_context_handle
 

Functions

 WINE_DEFAULT_DEBUG_CHANNEL (ole)
 
static struct context_handle_entryget_context_entry (NDR_CCONTEXT CContext)
 
static struct context_handle_entrycontext_entry_from_guid (LPCGUID uuid)
 
RPC_BINDING_HANDLE WINAPI NDRCContextBinding (NDR_CCONTEXT CContext)
 
void WINAPI NDRCContextMarshall (NDR_CCONTEXT CContext, void *pBuff)
 
RPC_STATUS WINAPI RpcSmDestroyClientContext (void **ContextHandle)
 
void WINAPI RpcSsDestroyClientContext (void **ContextHandle)
 
void WINAPI RpcSsDontSerializeContext (void)
 
static RPC_STATUS ndr_update_context_handle (NDR_CCONTEXT *CContext, RPC_BINDING_HANDLE hBinding, const ndr_context_handle *chi)
 
void WINAPI NDRCContextUnmarshall (NDR_CCONTEXT *CContext, RPC_BINDING_HANDLE hBinding, void *pBuff, ULONG DataRepresentation)
 
void WINAPI NDRSContextMarshall (NDR_SCONTEXT SContext, void *pBuff, NDR_RUNDOWN userRunDownIn)
 
void WINAPI NDRSContextMarshallEx (RPC_BINDING_HANDLE hBinding, NDR_SCONTEXT SContext, void *pBuff, NDR_RUNDOWN userRunDownIn)
 
void WINAPI NDRSContextMarshall2 (RPC_BINDING_HANDLE hBinding, NDR_SCONTEXT SContext, void *pBuff, NDR_RUNDOWN userRunDownIn, void *CtxGuard, ULONG Flags)
 
NDR_SCONTEXT WINAPI NDRSContextUnmarshall (void *pBuff, ULONG DataRepresentation)
 
NDR_SCONTEXT WINAPI NDRSContextUnmarshallEx (RPC_BINDING_HANDLE hBinding, void *pBuff, ULONG DataRepresentation)
 
NDR_SCONTEXT WINAPI NDRSContextUnmarshall2 (RPC_BINDING_HANDLE hBinding, void *pBuff, ULONG DataRepresentation, void *CtxGuard, ULONG Flags)
 

Variables

static struct list context_handle_list = LIST_INIT(context_handle_list)
 
static CRITICAL_SECTION ndr_context_cs = { &ndr_context_debug, -1, 0, 0, 0, 0 }
 
static CRITICAL_SECTION_DEBUG ndr_context_debug
 

Macro Definition Documentation

◆ NDR_CONTEXT_HANDLE_MAGIC

#define NDR_CONTEXT_HANDLE_MAGIC   0x4352444e

Definition at line 31 of file ndr_contexthandle.c.

Typedef Documentation

◆ ndr_context_handle

Function Documentation

◆ context_entry_from_guid()

static struct context_handle_entry * context_entry_from_guid ( LPCGUID  uuid)
static

Definition at line 67 of file ndr_contexthandle.c.

68{
69 struct context_handle_entry *che;
71 if (IsEqualGUID(&che->wire_data.uuid, uuid))
72 return che;
73 return NULL;
74}
#define NULL
Definition: types.h:112
Definition: msctf.idl:550
uint32_t entry
Definition: isohybrid.c:63
#define IsEqualGUID(rguid1, rguid2)
Definition: guiddef.h:147
#define LIST_FOR_EACH_ENTRY(elem, list, type, field)
Definition: list.h:198
ndr_context_handle wire_data

Referenced by ndr_update_context_handle().

◆ get_context_entry()

static struct context_handle_entry * get_context_entry ( NDR_CCONTEXT  CContext)
static

Definition at line 58 of file ndr_contexthandle.c.

59{
60 struct context_handle_entry *che = CContext;
61
63 return NULL;
64 return che;
65}
#define NDR_CONTEXT_HANDLE_MAGIC
DWORD magic

Referenced by ndr_update_context_handle(), NDRCContextBinding(), NDRCContextMarshall(), and RpcSmDestroyClientContext().

◆ ndr_update_context_handle()

static RPC_STATUS ndr_update_context_handle ( NDR_CCONTEXT CContext,
RPC_BINDING_HANDLE  hBinding,
const ndr_context_handle chi 
)
static

Definition at line 166 of file ndr_contexthandle.c.

169{
170 struct context_handle_entry *che = NULL;
171
172 /* a null UUID means we should free the context handle */
173 if (IsEqualGUID(&chi->uuid, &GUID_NULL))
174 {
175 if (*CContext)
176 {
177 che = get_context_entry(*CContext);
178 if (!che)
180 list_remove(&che->entry);
181 RpcBindingFree(&che->handle);
182 HeapFree(GetProcessHeap(), 0, che);
183 che = NULL;
184 }
185 }
186 /* if there's no existing entry matching the GUID, allocate one */
187 else if (!(che = context_entry_from_guid(&chi->uuid)))
188 {
189 che = HeapAlloc(GetProcessHeap(), 0, sizeof *che);
190 if (!che)
191 return RPC_X_NO_MEMORY;
195 che->wire_data = *chi;
196 }
197
198 *CContext = che;
199
200 return RPC_S_OK;
201}
static void list_remove(struct list_entry *entry)
Definition: list.h:90
static void list_add_tail(struct list_entry *head, struct list_entry *entry)
Definition: list.h:83
handle_t hBinding
Definition: ctx_c.c:54
#define GetProcessHeap()
Definition: compat.h:736
#define HeapAlloc
Definition: compat.h:733
#define HeapFree(x, y, z)
Definition: compat.h:735
#define GUID_NULL
Definition: ks.h:106
static struct context_handle_entry * get_context_entry(NDR_CCONTEXT CContext)
static struct context_handle_entry * context_entry_from_guid(LPCGUID uuid)
RPC_STATUS WINAPI RpcBindingFree(RPC_BINDING_HANDLE *Binding)
Definition: rpc_binding.c:787
RPC_STATUS RPC_ENTRY RpcBindingCopy(RPC_BINDING_HANDLE SourceBinding, RPC_BINDING_HANDLE *DestinationBinding)
Definition: rpc_binding.c:989
#define RPC_X_SS_CONTEXT_MISMATCH
Definition: rpcnterr.h:39
#define RPC_X_NO_MEMORY
Definition: rpcnterr.h:35
#define RPC_S_OK
Definition: rpcnterr.h:22
struct list entry
RPC_BINDING_HANDLE handle

Referenced by NDRCContextUnmarshall().

◆ NDRCContextBinding()

RPC_BINDING_HANDLE WINAPI NDRCContextBinding ( NDR_CCONTEXT  CContext)

Definition at line 76 of file ndr_contexthandle.c.

77{
78 struct context_handle_entry *che;
80
81 TRACE("%p\n", CContext);
82
84 che = get_context_entry(CContext);
85 if (che)
86 handle = che->handle;
88
89 if (!handle)
90 {
91 ERR("invalid handle %p\n", CContext);
93 }
94 return handle;
95}
#define ERR(fmt,...)
Definition: debug.h:113
static CRITICAL_SECTION ndr_context_cs
void DECLSPEC_NORETURN WINAPI RpcRaiseException(RPC_STATUS exception)
Definition: rpcrt4_main.c:188
#define TRACE(s)
Definition: solgame.cpp:4
void WINAPI LeaveCriticalSection(LPCRITICAL_SECTION)
void WINAPI EnterCriticalSection(LPCRITICAL_SECTION)

Referenced by client_get_handle(), CtxClose(), CtxHello(), m_CtxClose(), m_CtxHello(), and main().

◆ NDRCContextMarshall()

void WINAPI NDRCContextMarshall ( NDR_CCONTEXT  CContext,
void pBuff 
)

Definition at line 97 of file ndr_contexthandle.c.

98{
99 struct context_handle_entry *che;
100
101 TRACE("%p %p\n", CContext, pBuff);
102
103 if (CContext)
104 {
106 che = get_context_entry(CContext);
107 memcpy(pBuff, &che->wire_data, sizeof (ndr_context_handle));
109 }
110 else
111 {
115 }
116}
#define memcpy(s1, s2, n)
Definition: mkisofs.h:878
ActualNumberDriverObjects * sizeof(PDRIVER_OBJECT)) PDRIVER_OBJECT *DriverObjectList

Referenced by main(), and NdrClientContextMarshall().

◆ NDRCContextUnmarshall()

void WINAPI NDRCContextUnmarshall ( NDR_CCONTEXT CContext,
RPC_BINDING_HANDLE  hBinding,
void pBuff,
ULONG  DataRepresentation 
)

Definition at line 206 of file ndr_contexthandle.c.

209{
211
212 TRACE("*%p=(%p) %p %p %08x\n",
213 CContext, *CContext, hBinding, pBuff, DataRepresentation);
214
216 status = ndr_update_context_handle(CContext, hBinding, pBuff);
218 if (status)
220}
static RPC_STATUS ndr_update_context_handle(NDR_CCONTEXT *CContext, RPC_BINDING_HANDLE hBinding, const ndr_context_handle *chi)
long RPC_STATUS
Definition: rpc.h:52
Definition: ps.c:97

Referenced by m_CtxOpen2(), and NdrClientContextUnmarshall().

◆ NDRSContextMarshall()

void WINAPI NDRSContextMarshall ( NDR_SCONTEXT  SContext,
void pBuff,
NDR_RUNDOWN  userRunDownIn 
)

Definition at line 225 of file ndr_contexthandle.c.

228{
229 TRACE("(%p %p %p)\n", SContext, pBuff, userRunDownIn);
231 userRunDownIn, NULL, RPC_CONTEXT_HANDLE_DEFAULT_FLAGS);
232}
void WINAPI NDRSContextMarshall2(RPC_BINDING_HANDLE hBinding, NDR_SCONTEXT SContext, void *pBuff, NDR_RUNDOWN userRunDownIn, void *CtxGuard, ULONG Flags)
RPC_BINDING_HANDLE WINAPI I_RpcGetCurrentCallHandle(void)
Definition: rpc_server.c:1743
#define RPC_CONTEXT_HANDLE_DEFAULT_FLAGS
Definition: rpcdcep.h:56

◆ NDRSContextMarshall2()

void WINAPI NDRSContextMarshall2 ( RPC_BINDING_HANDLE  hBinding,
NDR_SCONTEXT  SContext,
void pBuff,
NDR_RUNDOWN  userRunDownIn,
void CtxGuard,
ULONG  Flags 
)

Definition at line 250 of file ndr_contexthandle.c.

255{
256 RpcBinding *binding = hBinding;
258 ndr_context_handle *ndr = pBuff;
259
260 TRACE("(%p %p %p %p %p %u)\n",
261 hBinding, SContext, pBuff, userRunDownIn, CtxGuard, Flags);
262
263 if (!binding->server || !binding->Assoc)
265
266 if (SContext->userContext)
267 {
268 status = RpcServerAssoc_UpdateContextHandle(binding->Assoc, SContext, CtxGuard, userRunDownIn);
269 if (status != RPC_S_OK)
271 ndr->attributes = 0;
272 RpcContextHandle_GetUuid(SContext, &ndr->uuid);
273
276 }
277 else
278 {
279 if (!RpcContextHandle_IsGuardCorrect(SContext, CtxGuard))
281 memset(ndr, 0, sizeof(*ndr));
282
284 /* Note: release the context handle twice in this case to release
285 * one ref being kept around for the data and one ref for the
286 * unmarshall/marshall sequence */
287 if (!RpcServerAssoc_ReleaseContextHandle(binding->Assoc, SContext, TRUE))
288 return; /* this is to cope with the case of the data not being valid
289 * before and so not having a further reference */
291 }
292}
#define TRUE
Definition: types.h:120
#define FALSE
Definition: types.h:117
void RpcContextHandle_GetUuid(NDR_SCONTEXT SContext, UUID *uuid)
Definition: rpc_assoc.c:541
RPC_STATUS RpcServerAssoc_UpdateContextHandle(RpcAssoc *assoc, NDR_SCONTEXT SContext, void *CtxGuard, NDR_RUNDOWN rundown_routine)
Definition: rpc_assoc.c:515
BOOL RpcContextHandle_IsGuardCorrect(NDR_SCONTEXT SContext, void *CtxGuard)
Definition: rpc_assoc.c:481
unsigned int RpcServerAssoc_ReleaseContextHandle(RpcAssoc *assoc, NDR_SCONTEXT SContext, BOOL release_lock)
Definition: rpc_assoc.c:563
void RPCRT4_RemoveThreadContextHandle(NDR_SCONTEXT SContext) DECLSPEC_HIDDEN
Definition: rpcrt4_main.c:995
#define memset(x, y, z)
Definition: compat.h:39
void * userContext
Definition: rpcndr.h:147
struct _RpcAssoc * Assoc
Definition: rpc_binding.h:137
#define RPC_S_INVALID_BINDING
Definition: winerror.h:1013
_Must_inspect_result_ _In_ ULONG Flags
Definition: wsk.h:170

Referenced by NDRSContextMarshall(), NDRSContextMarshallEx(), NdrServerContextMarshall(), and NdrServerContextNewMarshall().

◆ NDRSContextMarshallEx()

void WINAPI NDRSContextMarshallEx ( RPC_BINDING_HANDLE  hBinding,
NDR_SCONTEXT  SContext,
void pBuff,
NDR_RUNDOWN  userRunDownIn 
)

Definition at line 237 of file ndr_contexthandle.c.

241{
242 TRACE("(%p %p %p %p)\n", hBinding, SContext, pBuff, userRunDownIn);
243 NDRSContextMarshall2(hBinding, SContext, pBuff, userRunDownIn, NULL,
245}

◆ NDRSContextUnmarshall()

NDR_SCONTEXT WINAPI NDRSContextUnmarshall ( void pBuff,
ULONG  DataRepresentation 
)

Definition at line 297 of file ndr_contexthandle.c.

299{
300 TRACE("(%p %08x)\n", pBuff, DataRepresentation);
302 DataRepresentation, NULL,
304}
NDR_SCONTEXT WINAPI NDRSContextUnmarshall2(RPC_BINDING_HANDLE hBinding, void *pBuff, ULONG DataRepresentation, void *CtxGuard, ULONG Flags)

Referenced by hello_CtxOpen().

◆ NDRSContextUnmarshall2()

NDR_SCONTEXT WINAPI NDRSContextUnmarshall2 ( RPC_BINDING_HANDLE  hBinding,
void pBuff,
ULONG  DataRepresentation,
void CtxGuard,
ULONG  Flags 
)

Definition at line 321 of file ndr_contexthandle.c.

325{
326 RpcBinding *binding = hBinding;
327 NDR_SCONTEXT SContext;
329 const ndr_context_handle *context_ndr = pBuff;
330
331 TRACE("(%p %p %08x %p %u)\n",
332 hBinding, pBuff, DataRepresentation, CtxGuard, Flags);
333
334 if (!binding->server || !binding->Assoc)
336
337 if (!pBuff || (!context_ndr->attributes &&
338 UuidIsNil((UUID *)&context_ndr->uuid, &status)))
340 &SContext);
341 else
342 {
343 if (context_ndr->attributes)
344 {
345 ERR("non-null attributes 0x%x\n", context_ndr->attributes);
347 }
348 else
350 &context_ndr->uuid,
351 CtxGuard, Flags,
352 &SContext);
353 }
354
355 if (status != RPC_S_OK)
357
359 return SContext;
360}
RPC_STATUS RpcServerAssoc_FindContextHandle(RpcAssoc *assoc, const UUID *uuid, void *CtxGuard, ULONG Flags, NDR_SCONTEXT *SContext)
Definition: rpc_assoc.c:487
RPC_STATUS RpcServerAssoc_AllocateContextHandle(RpcAssoc *assoc, void *CtxGuard, NDR_SCONTEXT *SContext)
Definition: rpc_assoc.c:456
void RPCRT4_PushThreadContextHandle(NDR_SCONTEXT SContext) DECLSPEC_HIDDEN
Definition: rpcrt4_main.c:980
int WINAPI UuidIsNil(UUID *Uuid, RPC_STATUS *Status)
Definition: rpcrt4_main.c:268

Referenced by NdrContextHandleInitialize(), NDRSContextUnmarshall(), NDRSContextUnmarshallEx(), NdrServerContextNewUnmarshall(), and NdrServerContextUnmarshall().

◆ NDRSContextUnmarshallEx()

NDR_SCONTEXT WINAPI NDRSContextUnmarshallEx ( RPC_BINDING_HANDLE  hBinding,
void pBuff,
ULONG  DataRepresentation 
)

Definition at line 309 of file ndr_contexthandle.c.

312{
313 TRACE("(%p %p %08x)\n", hBinding, pBuff, DataRepresentation);
314 return NDRSContextUnmarshall2(hBinding, pBuff, DataRepresentation, NULL,
316}

◆ RpcSmDestroyClientContext()

RPC_STATUS WINAPI RpcSmDestroyClientContext ( void **  ContextHandle)

Definition at line 121 of file ndr_contexthandle.c.

122{
124 struct context_handle_entry *che = NULL;
125
126 TRACE("(%p)\n", ContextHandle);
127
129 che = get_context_entry(*ContextHandle);
130 *ContextHandle = NULL;
131 if (che)
132 {
134 list_remove(&che->entry);
135 }
136
138
139 if (che)
140 {
141 RpcBindingFree(&che->handle);
142 HeapFree(GetProcessHeap(), 0, che);
143 }
144
145 return status;
146}

Referenced by RpcSsDestroyClientContext().

◆ RpcSsDestroyClientContext()

void WINAPI RpcSsDestroyClientContext ( void **  ContextHandle)

Definition at line 151 of file ndr_contexthandle.c.

152{
154 if (status != RPC_S_OK)
156}
RPC_STATUS WINAPI RpcSmDestroyClientContext(void **ContextHandle)

◆ RpcSsDontSerializeContext()

void WINAPI RpcSsDontSerializeContext ( void  )

Definition at line 161 of file ndr_contexthandle.c.

162{
163 FIXME("stub\n");
164}
#define FIXME(fmt,...)
Definition: debug.h:114

◆ WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL ( ole  )

Variable Documentation

◆ context_handle_list

◆ ndr_context_cs

static CRITICAL_SECTION ndr_context_cs = { &ndr_context_debug, -1, 0, 0, 0, 0 }
static

◆ ndr_context_debug

CRITICAL_SECTION_DEBUG ndr_context_debug
static
Initial value:
=
{
0, 0, { (DWORD_PTR)(__FILE__ ": ndr_context") }
}
static CRITICAL_SECTION_DEBUG ndr_context_debug
LIST_ENTRY ProcessLocksList
Definition: winbase.h:883
#define DWORD_PTR
Definition: treelist.c:76

Definition at line 50 of file ndr_contexthandle.c.