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[rpcrt4]
[reactos.git] / reactos / dll / win32 / rpcrt4 / ndr_stubless.c
1 /*
2 * NDR -Oi,-Oif,-Oicf Interpreter
3 *
4 * Copyright 2001 Ove Kåven, TransGaming Technologies
5 * Copyright 2003-5 Robert Shearman (for CodeWeavers)
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 *
21 * TODO:
22 * - Pipes
23 * - Some types of binding handles
24 */
25
26 #include "config.h"
27 #include "wine/port.h"
28
29 #include <stdarg.h>
30 #include <stdio.h>
31 #include <string.h>
32
33 #include "windef.h"
34 #include "winbase.h"
35 #include "winerror.h"
36
37 #include "objbase.h"
38 #include "rpc.h"
39 #include "rpcproxy.h"
40
41 #include "wine/exception.h"
42 #include "wine/debug.h"
43 #include "wine/rpcfc.h"
44
45 #include "cpsf.h"
46 #include "ndr_misc.h"
47 #include "ndr_stubless.h"
48
49 WINE_DEFAULT_DEBUG_CHANNEL(rpc);
50
51 #define NDR_TABLE_MASK 127
52
53 static inline void call_buffer_sizer(PMIDL_STUB_MESSAGE pStubMsg, unsigned char *pMemory, PFORMAT_STRING pFormat)
54 {
55 NDR_BUFFERSIZE m = NdrBufferSizer[pFormat[0] & NDR_TABLE_MASK];
56 if (m) m(pStubMsg, pMemory, pFormat);
57 else
58 {
59 FIXME("format type 0x%x not implemented\n", pFormat[0]);
60 RpcRaiseException(RPC_X_BAD_STUB_DATA);
61 }
62 }
63
64 static inline unsigned char *call_marshaller(PMIDL_STUB_MESSAGE pStubMsg, unsigned char *pMemory, PFORMAT_STRING pFormat)
65 {
66 NDR_MARSHALL m = NdrMarshaller[pFormat[0] & NDR_TABLE_MASK];
67 if (m) return m(pStubMsg, pMemory, pFormat);
68 else
69 {
70 FIXME("format type 0x%x not implemented\n", pFormat[0]);
71 RpcRaiseException(RPC_X_BAD_STUB_DATA);
72 return NULL;
73 }
74 }
75
76 static inline unsigned char *call_unmarshaller(PMIDL_STUB_MESSAGE pStubMsg, unsigned char **ppMemory, PFORMAT_STRING pFormat, unsigned char fMustAlloc)
77 {
78 NDR_UNMARSHALL m = NdrUnmarshaller[pFormat[0] & NDR_TABLE_MASK];
79 if (m) return m(pStubMsg, ppMemory, pFormat, fMustAlloc);
80 else
81 {
82 FIXME("format type 0x%x not implemented\n", pFormat[0]);
83 RpcRaiseException(RPC_X_BAD_STUB_DATA);
84 return NULL;
85 }
86 }
87
88 static inline void call_freer(PMIDL_STUB_MESSAGE pStubMsg, unsigned char *pMemory, PFORMAT_STRING pFormat)
89 {
90 NDR_FREE m = NdrFreer[pFormat[0] & NDR_TABLE_MASK];
91 if (m) m(pStubMsg, pMemory, pFormat);
92 }
93
94 #define STUBLESS_UNMARSHAL 1
95 #define STUBLESS_INITOUT 2
96 #define STUBLESS_CALLSERVER 3
97 #define STUBLESS_CALCSIZE 4
98 #define STUBLESS_GETBUFFER 5
99 #define STUBLESS_MARSHAL 6
100 #define STUBLESS_FREE 7
101
102 void WINAPI NdrRpcSmSetClientToOsf(PMIDL_STUB_MESSAGE pMessage)
103 {
104 #if 0 /* these functions are not defined yet */
105 pMessage->pfnAllocate = NdrRpcSmClientAllocate;
106 pMessage->pfnFree = NdrRpcSmClientFree;
107 #endif
108 }
109
110 static void dump_RPC_FC_PROC_PF(PARAM_ATTRIBUTES param_attributes)
111 {
112 if (param_attributes.MustSize) TRACE(" MustSize");
113 if (param_attributes.MustFree) TRACE(" MustFree");
114 if (param_attributes.IsPipe) TRACE(" IsPipe");
115 if (param_attributes.IsIn) TRACE(" IsIn");
116 if (param_attributes.IsOut) TRACE(" IsOut");
117 if (param_attributes.IsReturn) TRACE(" IsReturn");
118 if (param_attributes.IsBasetype) TRACE(" IsBasetype");
119 if (param_attributes.IsByValue) TRACE(" IsByValue");
120 if (param_attributes.IsSimpleRef) TRACE(" IsSimpleRef");
121 if (param_attributes.IsDontCallFreeInst) TRACE(" IsDontCallFreeInst");
122 if (param_attributes.SaveForAsyncFinish) TRACE(" SaveForAsyncFinish");
123 if (param_attributes.ServerAllocSize) TRACE(" ServerAllocSize = %d", param_attributes.ServerAllocSize * 8);
124 }
125
126 static void dump_INTERPRETER_OPT_FLAGS(INTERPRETER_OPT_FLAGS Oi2Flags)
127 {
128 if (Oi2Flags.ServerMustSize) TRACE(" ServerMustSize");
129 if (Oi2Flags.ClientMustSize) TRACE(" ClientMustSize");
130 if (Oi2Flags.HasReturn) TRACE(" HasReturn");
131 if (Oi2Flags.HasPipes) TRACE(" HasPipes");
132 if (Oi2Flags.Unused) TRACE(" Unused");
133 if (Oi2Flags.HasAsyncUuid) TRACE(" HasAsyncUuid");
134 if (Oi2Flags.HasExtensions) TRACE(" HasExtensions");
135 if (Oi2Flags.HasAsyncHandle) TRACE(" HasAsyncHandle");
136 TRACE("\n");
137 }
138
139 #define ARG_FROM_OFFSET(args, offset) ((args) + (offset))
140
141 static PFORMAT_STRING client_get_handle(
142 PMIDL_STUB_MESSAGE pStubMsg, const NDR_PROC_HEADER *pProcHeader,
143 PFORMAT_STRING pFormat, handle_t *phBinding)
144 {
145 /* binding */
146 switch (pProcHeader->handle_type)
147 {
148 /* explicit binding: parse additional section */
149 case RPC_FC_BIND_EXPLICIT:
150 switch (*pFormat) /* handle_type */
151 {
152 case RPC_FC_BIND_PRIMITIVE: /* explicit primitive */
153 {
154 const NDR_EHD_PRIMITIVE *pDesc = (const NDR_EHD_PRIMITIVE *)pFormat;
155
156 TRACE("Explicit primitive handle @ %d\n", pDesc->offset);
157
158 if (pDesc->flag) /* pointer to binding */
159 *phBinding = **(handle_t **)ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset);
160 else
161 *phBinding = *(handle_t *)ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset);
162 return pFormat + sizeof(NDR_EHD_PRIMITIVE);
163 }
164 case RPC_FC_BIND_GENERIC: /* explicit generic */
165 {
166 const NDR_EHD_GENERIC *pDesc = (const NDR_EHD_GENERIC *)pFormat;
167 void *pObject = NULL;
168 void *pArg;
169 const GENERIC_BINDING_ROUTINE_PAIR *pGenPair;
170
171 TRACE("Explicit generic binding handle #%d\n", pDesc->binding_routine_pair_index);
172
173 if (pDesc->flag_and_size & HANDLE_PARAM_IS_VIA_PTR)
174 pArg = *(void **)ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset);
175 else
176 pArg = (void *)ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset);
177 memcpy(&pObject, pArg, pDesc->flag_and_size & 0xf);
178 pGenPair = &pStubMsg->StubDesc->aGenericBindingRoutinePairs[pDesc->binding_routine_pair_index];
179 *phBinding = pGenPair->pfnBind(pObject);
180 return pFormat + sizeof(NDR_EHD_GENERIC);
181 }
182 case RPC_FC_BIND_CONTEXT: /* explicit context */
183 {
184 const NDR_EHD_CONTEXT *pDesc = (const NDR_EHD_CONTEXT *)pFormat;
185 NDR_CCONTEXT context_handle;
186 TRACE("Explicit bind context\n");
187 if (pDesc->flags & HANDLE_PARAM_IS_VIA_PTR)
188 {
189 TRACE("\tHANDLE_PARAM_IS_VIA_PTR\n");
190 context_handle = **(NDR_CCONTEXT **)ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset);
191 }
192 else
193 context_handle = *(NDR_CCONTEXT *)ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset);
194 if ((pDesc->flags & NDR_CONTEXT_HANDLE_CANNOT_BE_NULL) &&
195 !context_handle)
196 {
197 ERR("null context handle isn't allowed\n");
198 RpcRaiseException(RPC_X_SS_IN_NULL_CONTEXT);
199 return NULL;
200 }
201 *phBinding = NDRCContextBinding(context_handle);
202 /* FIXME: should we store this structure in stubMsg.pContext? */
203 return pFormat + sizeof(NDR_EHD_CONTEXT);
204 }
205 default:
206 ERR("bad explicit binding handle type (0x%02x)\n", pProcHeader->handle_type);
207 RpcRaiseException(RPC_X_BAD_STUB_DATA);
208 }
209 break;
210 case RPC_FC_BIND_GENERIC: /* implicit generic */
211 FIXME("RPC_FC_BIND_GENERIC\n");
212 RpcRaiseException(RPC_X_BAD_STUB_DATA); /* FIXME: remove when implemented */
213 break;
214 case RPC_FC_BIND_PRIMITIVE: /* implicit primitive */
215 TRACE("Implicit primitive handle\n");
216 *phBinding = *pStubMsg->StubDesc->IMPLICIT_HANDLE_INFO.pPrimitiveHandle;
217 break;
218 case RPC_FC_CALLBACK_HANDLE: /* implicit callback */
219 FIXME("RPC_FC_CALLBACK_HANDLE\n");
220 break;
221 case RPC_FC_AUTO_HANDLE: /* implicit auto handle */
222 /* strictly speaking, it isn't necessary to set hBinding here
223 * since it isn't actually used (hence the automatic in its name),
224 * but then why does MIDL generate a valid entry in the
225 * MIDL_STUB_DESC for it? */
226 TRACE("Implicit auto handle\n");
227 *phBinding = *pStubMsg->StubDesc->IMPLICIT_HANDLE_INFO.pAutoHandle;
228 break;
229 default:
230 ERR("bad implicit binding handle type (0x%02x)\n", pProcHeader->handle_type);
231 RpcRaiseException(RPC_X_BAD_STUB_DATA);
232 }
233 return pFormat;
234 }
235
236 static void client_free_handle(
237 PMIDL_STUB_MESSAGE pStubMsg, const NDR_PROC_HEADER *pProcHeader,
238 PFORMAT_STRING pFormat, handle_t hBinding)
239 {
240 /* binding */
241 switch (pProcHeader->handle_type)
242 {
243 /* explicit binding: parse additional section */
244 case RPC_FC_BIND_EXPLICIT:
245 switch (*pFormat) /* handle_type */
246 {
247 case RPC_FC_BIND_GENERIC: /* explicit generic */
248 {
249 const NDR_EHD_GENERIC *pDesc = (const NDR_EHD_GENERIC *)pFormat;
250 void *pObject = NULL;
251 void *pArg;
252 const GENERIC_BINDING_ROUTINE_PAIR *pGenPair;
253
254 TRACE("Explicit generic binding handle #%d\n", pDesc->binding_routine_pair_index);
255
256 if (pDesc->flag_and_size & HANDLE_PARAM_IS_VIA_PTR)
257 pArg = *(void **)ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset);
258 else
259 pArg = (void *)ARG_FROM_OFFSET(pStubMsg->StackTop, pDesc->offset);
260 memcpy(&pObject, pArg, pDesc->flag_and_size & 0xf);
261 pGenPair = &pStubMsg->StubDesc->aGenericBindingRoutinePairs[pDesc->binding_routine_pair_index];
262 pGenPair->pfnUnbind(pObject, hBinding);
263 break;
264 }
265 case RPC_FC_BIND_CONTEXT: /* explicit context */
266 case RPC_FC_BIND_PRIMITIVE: /* explicit primitive */
267 break;
268 default:
269 ERR("bad explicit binding handle type (0x%02x)\n", pProcHeader->handle_type);
270 RpcRaiseException(RPC_X_BAD_STUB_DATA);
271 }
272 break;
273 case RPC_FC_BIND_GENERIC: /* implicit generic */
274 FIXME("RPC_FC_BIND_GENERIC\n");
275 RpcRaiseException(RPC_X_BAD_STUB_DATA); /* FIXME: remove when implemented */
276 break;
277 case RPC_FC_CALLBACK_HANDLE: /* implicit callback */
278 case RPC_FC_BIND_PRIMITIVE: /* implicit primitive */
279 case RPC_FC_AUTO_HANDLE: /* implicit auto handle */
280 break;
281 default:
282 ERR("bad implicit binding handle type (0x%02x)\n", pProcHeader->handle_type);
283 RpcRaiseException(RPC_X_BAD_STUB_DATA);
284 }
285 }
286
287 static void client_do_args(PMIDL_STUB_MESSAGE pStubMsg, PFORMAT_STRING pFormat,
288 int phase, unsigned char *args, unsigned short number_of_params,
289 unsigned char *pRetVal)
290 {
291 /* current format string offset */
292 int current_offset = 0;
293 /* current stack offset */
294 unsigned short current_stack_offset = 0;
295 /* counter */
296 unsigned short i;
297
298 for (i = 0; i < number_of_params; i++)
299 {
300 const NDR_PARAM_OIF_BASETYPE *pParam =
301 (const NDR_PARAM_OIF_BASETYPE *)&pFormat[current_offset];
302 unsigned char * pArg;
303
304 current_stack_offset = pParam->stack_offset;
305 pArg = ARG_FROM_OFFSET(args, current_stack_offset);
306
307 TRACE("param[%d]: new format\n", i);
308 TRACE("\tparam_attributes:"); dump_RPC_FC_PROC_PF(pParam->param_attributes); TRACE("\n");
309 TRACE("\tstack_offset: 0x%x\n", current_stack_offset);
310 TRACE("\tmemory addr (before): %p\n", pArg);
311
312 if (pParam->param_attributes.IsBasetype)
313 {
314 const unsigned char * pTypeFormat =
315 &pParam->type_format_char;
316
317 if (pParam->param_attributes.IsSimpleRef)
318 pArg = *(unsigned char **)pArg;
319
320 TRACE("\tbase type: 0x%02x\n", *pTypeFormat);
321
322 switch (phase)
323 {
324 case PROXY_CALCSIZE:
325 if (pParam->param_attributes.IsIn)
326 call_buffer_sizer(pStubMsg, pArg, pTypeFormat);
327 break;
328 case PROXY_MARSHAL:
329 if (pParam->param_attributes.IsIn)
330 call_marshaller(pStubMsg, pArg, pTypeFormat);
331 break;
332 case PROXY_UNMARSHAL:
333 if (pParam->param_attributes.IsOut)
334 {
335 if (pParam->param_attributes.IsReturn)
336 call_unmarshaller(pStubMsg, &pRetVal, pTypeFormat, 0);
337 else
338 call_unmarshaller(pStubMsg, &pArg, pTypeFormat, 0);
339 TRACE("pRetVal = %p\n", pRetVal);
340 }
341 break;
342 default:
343 RpcRaiseException(RPC_S_INTERNAL_ERROR);
344 }
345
346 current_offset += sizeof(NDR_PARAM_OIF_BASETYPE);
347 }
348 else
349 {
350 const NDR_PARAM_OIF_OTHER *pParamOther =
351 (const NDR_PARAM_OIF_OTHER *)&pFormat[current_offset];
352
353 const unsigned char * pTypeFormat =
354 &(pStubMsg->StubDesc->pFormatTypes[pParamOther->type_offset]);
355
356 /* if a simple ref pointer then we have to do the
357 * check for the pointer being non-NULL. */
358 if (pParam->param_attributes.IsSimpleRef)
359 {
360 if (!*(unsigned char **)pArg)
361 RpcRaiseException(RPC_X_NULL_REF_POINTER);
362 }
363
364 TRACE("\tcomplex type: 0x%02x\n", *pTypeFormat);
365
366 switch (phase)
367 {
368 case PROXY_CALCSIZE:
369 if (pParam->param_attributes.IsIn)
370 {
371 if (pParam->param_attributes.IsByValue)
372 call_buffer_sizer(pStubMsg, pArg, pTypeFormat);
373 else
374 call_buffer_sizer(pStubMsg, *(unsigned char **)pArg, pTypeFormat);
375 }
376 break;
377 case PROXY_MARSHAL:
378 if (pParam->param_attributes.IsIn)
379 {
380 if (pParam->param_attributes.IsByValue)
381 call_marshaller(pStubMsg, pArg, pTypeFormat);
382 else
383 call_marshaller(pStubMsg, *(unsigned char **)pArg, pTypeFormat);
384 }
385 break;
386 case PROXY_UNMARSHAL:
387 if (pParam->param_attributes.IsOut)
388 {
389 if (pParam->param_attributes.IsReturn)
390 call_unmarshaller(pStubMsg, &pRetVal, pTypeFormat, 0);
391 else if (pParam->param_attributes.IsByValue)
392 call_unmarshaller(pStubMsg, &pArg, pTypeFormat, 0);
393 else
394 call_unmarshaller(pStubMsg, (unsigned char **)pArg, pTypeFormat, 0);
395 }
396 break;
397 default:
398 RpcRaiseException(RPC_S_INTERNAL_ERROR);
399 }
400
401 current_offset += sizeof(NDR_PARAM_OIF_OTHER);
402 }
403 TRACE("\tmemory addr (after): %p\n", pArg);
404 }
405 }
406
407 static unsigned int type_stack_size(unsigned char fc)
408 {
409 switch (fc)
410 {
411 case RPC_FC_BYTE:
412 case RPC_FC_CHAR:
413 case RPC_FC_SMALL:
414 case RPC_FC_USMALL:
415 return sizeof(char);
416 case RPC_FC_WCHAR:
417 case RPC_FC_SHORT:
418 case RPC_FC_USHORT:
419 return sizeof(short);
420 case RPC_FC_LONG:
421 case RPC_FC_ULONG:
422 case RPC_FC_ENUM16:
423 case RPC_FC_ENUM32:
424 return sizeof(int);
425 case RPC_FC_FLOAT:
426 return sizeof(float);
427 case RPC_FC_DOUBLE:
428 return sizeof(double);
429 case RPC_FC_HYPER:
430 return sizeof(ULONGLONG);
431 case RPC_FC_ERROR_STATUS_T:
432 return sizeof(error_status_t);
433 case RPC_FC_IGNORE:
434 return sizeof(void *);
435 default:
436 ERR("invalid base type 0x%x\n", fc);
437 RpcRaiseException(RPC_S_INTERNAL_ERROR);
438 }
439 }
440
441 void client_do_args_old_format(PMIDL_STUB_MESSAGE pStubMsg,
442 PFORMAT_STRING pFormat, int phase, unsigned char *args,
443 unsigned short stack_size,
444 unsigned char *pRetVal, BOOL object_proc, BOOL ignore_retval)
445 {
446 /* current format string offset */
447 int current_offset = 0;
448 /* current stack offset */
449 unsigned short current_stack_offset = 0;
450 /* counter */
451 unsigned short i;
452
453 /* NOTE: V1 style format doesn't terminate on the number_of_params
454 * condition as it doesn't have this attribute. Instead it
455 * terminates when the stack size given in the header is exceeded.
456 */
457 for (i = 0; TRUE; i++)
458 {
459 const NDR_PARAM_OI_BASETYPE *pParam =
460 (const NDR_PARAM_OI_BASETYPE *)&pFormat[current_offset];
461 /* note: current_stack_offset starts after the This pointer
462 * if present, so adjust this */
463 unsigned short current_stack_offset_adjusted = current_stack_offset +
464 (object_proc ? sizeof(void *) : 0);
465 unsigned char * pArg = ARG_FROM_OFFSET(args, current_stack_offset_adjusted);
466
467 /* no more parameters; exit loop */
468 if (current_stack_offset_adjusted >= stack_size)
469 break;
470
471 TRACE("param[%d]: old format\n", i);
472 TRACE("\tparam_direction: 0x%x\n", pParam->param_direction);
473 TRACE("\tstack_offset: 0x%x\n", current_stack_offset_adjusted);
474 TRACE("\tmemory addr (before): %p\n", pArg);
475
476 if (pParam->param_direction == RPC_FC_IN_PARAM_BASETYPE ||
477 pParam->param_direction == RPC_FC_RETURN_PARAM_BASETYPE)
478 {
479 const unsigned char * pTypeFormat =
480 &pParam->type_format_char;
481
482 TRACE("\tbase type 0x%02x\n", *pTypeFormat);
483
484 switch (phase)
485 {
486 case PROXY_CALCSIZE:
487 if (pParam->param_direction == RPC_FC_IN_PARAM_BASETYPE)
488 call_buffer_sizer(pStubMsg, pArg, pTypeFormat);
489 break;
490 case PROXY_MARSHAL:
491 if (pParam->param_direction == RPC_FC_IN_PARAM_BASETYPE)
492 call_marshaller(pStubMsg, pArg, pTypeFormat);
493 break;
494 case PROXY_UNMARSHAL:
495 if (!ignore_retval &&
496 pParam->param_direction == RPC_FC_RETURN_PARAM_BASETYPE)
497 {
498 if (pParam->param_direction & RPC_FC_RETURN_PARAM)
499 call_unmarshaller(pStubMsg, &pRetVal, pTypeFormat, 0);
500 else
501 call_unmarshaller(pStubMsg, &pArg, pTypeFormat, 0);
502 }
503 break;
504 default:
505 RpcRaiseException(RPC_S_INTERNAL_ERROR);
506 }
507
508 current_stack_offset += type_stack_size(*pTypeFormat);
509 current_offset += sizeof(NDR_PARAM_OI_BASETYPE);
510 }
511 else
512 {
513 const NDR_PARAM_OI_OTHER *pParamOther =
514 (const NDR_PARAM_OI_OTHER *)&pFormat[current_offset];
515
516 const unsigned char *pTypeFormat =
517 &pStubMsg->StubDesc->pFormatTypes[pParamOther->type_offset];
518
519 TRACE("\tcomplex type 0x%02x\n", *pTypeFormat);
520
521 switch (phase)
522 {
523 case PROXY_CALCSIZE:
524 if (pParam->param_direction == RPC_FC_IN_PARAM ||
525 pParam->param_direction & RPC_FC_IN_OUT_PARAM)
526 call_buffer_sizer(pStubMsg, *(unsigned char **)pArg, pTypeFormat);
527 break;
528 case PROXY_MARSHAL:
529 if (pParam->param_direction == RPC_FC_IN_PARAM ||
530 pParam->param_direction & RPC_FC_IN_OUT_PARAM)
531 call_marshaller(pStubMsg, *(unsigned char **)pArg, pTypeFormat);
532 break;
533 case PROXY_UNMARSHAL:
534 if (pParam->param_direction == RPC_FC_IN_OUT_PARAM ||
535 pParam->param_direction == RPC_FC_OUT_PARAM)
536 call_unmarshaller(pStubMsg, (unsigned char **)pArg, pTypeFormat, 0);
537 else if (pParam->param_direction == RPC_FC_RETURN_PARAM)
538 call_unmarshaller(pStubMsg, (unsigned char **)pRetVal, pTypeFormat, 0);
539 break;
540 default:
541 RpcRaiseException(RPC_S_INTERNAL_ERROR);
542 }
543
544 current_stack_offset += pParamOther->stack_size * sizeof(INT);
545 current_offset += sizeof(NDR_PARAM_OI_OTHER);
546 }
547 TRACE("\tmemory addr (after): %p\n", pArg);
548 }
549 }
550
551 /* the return type should be CLIENT_CALL_RETURN, but this is incompatible
552 * with the way gcc returns structures. "void *" should be the largest type
553 * that MIDL should allow you to return anyway */
554 LONG_PTR WINAPIV NdrClientCall2(PMIDL_STUB_DESC pStubDesc, PFORMAT_STRING pFormat, ...)
555 {
556 /* pointer to start of stack where arguments start */
557 RPC_MESSAGE rpcMsg;
558 MIDL_STUB_MESSAGE stubMsg;
559 handle_t hBinding = NULL;
560 /* procedure number */
561 unsigned short procedure_number;
562 /* size of stack */
563 unsigned short stack_size;
564 /* number of parameters. optional for client to give it to us */
565 unsigned char number_of_params = ~0;
566 /* cache of Oif_flags from v2 procedure header */
567 INTERPRETER_OPT_FLAGS Oif_flags = { 0 };
568 /* cache of extension flags from NDR_PROC_HEADER_EXTS */
569 INTERPRETER_OPT_FLAGS2 ext_flags = { 0 };
570 /* the type of pass we are currently doing */
571 int phase;
572 /* header for procedure string */
573 const NDR_PROC_HEADER * pProcHeader = (const NDR_PROC_HEADER *)&pFormat[0];
574 /* -Oif or -Oicf generated format */
575 BOOL bV2Format = FALSE;
576 /* the value to return to the client from the remote procedure */
577 LONG_PTR RetVal = 0;
578 /* the pointer to the object when in OLE mode */
579 void * This = NULL;
580 PFORMAT_STRING pHandleFormat;
581 /* correlation cache */
582 unsigned long NdrCorrCache[256];
583
584 TRACE("pStubDesc %p, pFormat %p, ...\n", pStubDesc, pFormat);
585
586 TRACE("NDR Version: 0x%x\n", pStubDesc->Version);
587
588 if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCFLAGS)
589 {
590 const NDR_PROC_HEADER_RPC *pProcHeader = (const NDR_PROC_HEADER_RPC *)&pFormat[0];
591 stack_size = pProcHeader->stack_size;
592 procedure_number = pProcHeader->proc_num;
593 pFormat += sizeof(NDR_PROC_HEADER_RPC);
594 }
595 else
596 {
597 stack_size = pProcHeader->stack_size;
598 procedure_number = pProcHeader->proc_num;
599 pFormat += sizeof(NDR_PROC_HEADER);
600 }
601 TRACE("stack size: 0x%x\n", stack_size);
602 TRACE("proc num: %d\n", procedure_number);
603
604 /* create the full pointer translation tables, if requested */
605 if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_FULLPTR)
606 stubMsg.FullPtrXlatTables = NdrFullPointerXlatInit(0,XLAT_CLIENT);
607
608 if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT)
609 {
610 /* object is always the first argument */
611 This = **(void *const **)(&pFormat+1);
612 NdrProxyInitialize(This, &rpcMsg, &stubMsg, pStubDesc, procedure_number);
613 }
614 else
615 NdrClientInitializeNew(&rpcMsg, &stubMsg, pStubDesc, procedure_number);
616
617 TRACE("Oi_flags = 0x%02x\n", pProcHeader->Oi_flags);
618 TRACE("MIDL stub version = 0x%x\n", pStubDesc->MIDLVersion);
619
620 /* needed for conformance of top-level objects */
621 #ifdef __i386__
622 stubMsg.StackTop = *(unsigned char **)(&pFormat+1);
623 #else
624 # warning Stack not retrieved for your CPU architecture
625 #endif
626
627 pHandleFormat = pFormat;
628
629 /* we only need a handle if this isn't an object method */
630 if (!(pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT))
631 {
632 pFormat = client_get_handle(&stubMsg, pProcHeader, pHandleFormat, &hBinding);
633 if (!pFormat) return 0;
634 }
635
636 bV2Format = (pStubDesc->Version >= 0x20000);
637
638 if (bV2Format)
639 {
640 const NDR_PROC_PARTIAL_OIF_HEADER *pOIFHeader =
641 (const NDR_PROC_PARTIAL_OIF_HEADER *)pFormat;
642
643 Oif_flags = pOIFHeader->Oi2Flags;
644 number_of_params = pOIFHeader->number_of_params;
645
646 pFormat += sizeof(NDR_PROC_PARTIAL_OIF_HEADER);
647 }
648
649 TRACE("Oif_flags = "); dump_INTERPRETER_OPT_FLAGS(Oif_flags);
650
651 if (Oif_flags.HasExtensions)
652 {
653 const NDR_PROC_HEADER_EXTS *pExtensions =
654 (const NDR_PROC_HEADER_EXTS *)pFormat;
655 ext_flags = pExtensions->Flags2;
656 pFormat += pExtensions->Size;
657 }
658
659 stubMsg.BufferLength = 0;
660
661 /* store the RPC flags away */
662 if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCFLAGS)
663 rpcMsg.RpcFlags = ((const NDR_PROC_HEADER_RPC *)pProcHeader)->rpc_flags;
664
665 /* use alternate memory allocation routines */
666 if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCSSALLOC)
667 NdrRpcSmSetClientToOsf(&stubMsg);
668
669 if (Oif_flags.HasPipes)
670 {
671 FIXME("pipes not supported yet\n");
672 RpcRaiseException(RPC_X_WRONG_STUB_VERSION); /* FIXME: remove when implemented */
673 /* init pipes package */
674 /* NdrPipesInitialize(...) */
675 }
676 if (ext_flags.HasNewCorrDesc)
677 {
678 /* initialize extra correlation package */
679 NdrCorrelationInitialize(&stubMsg, NdrCorrCache, sizeof(NdrCorrCache), 0);
680 }
681
682 /* order of phases:
683 * 1. PROXY_CALCSIZE - calculate the buffer size
684 * 2. PROXY_GETBUFFER - allocate the buffer
685 * 3. PROXY_MARHSAL - marshal [in] params into the buffer
686 * 4. PROXY_SENDRECEIVE - send/receive buffer
687 * 5. PROXY_UNMARHSAL - unmarshal [out] params from buffer
688 */
689 if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT)
690 {
691 __TRY
692 {
693 for (phase = PROXY_CALCSIZE; phase <= PROXY_UNMARSHAL; phase++)
694 {
695 TRACE("phase = %d\n", phase);
696 switch (phase)
697 {
698 case PROXY_GETBUFFER:
699 /* allocate the buffer */
700 NdrProxyGetBuffer(This, &stubMsg);
701 break;
702 case PROXY_SENDRECEIVE:
703 /* send the [in] params and receive the [out] and [retval]
704 * params */
705 NdrProxySendReceive(This, &stubMsg);
706
707 /* convert strings, floating point values and endianess into our
708 * preferred format */
709 if ((rpcMsg.DataRepresentation & 0x0000FFFFUL) != NDR_LOCAL_DATA_REPRESENTATION)
710 NdrConvert(&stubMsg, pFormat);
711
712 break;
713 case PROXY_CALCSIZE:
714 case PROXY_MARSHAL:
715 case PROXY_UNMARSHAL:
716 if (bV2Format)
717 client_do_args(&stubMsg, pFormat, phase, stubMsg.StackTop,
718 number_of_params, (unsigned char *)&RetVal);
719 else
720 client_do_args_old_format(&stubMsg, pFormat, phase,
721 stubMsg.StackTop, stack_size, (unsigned char *)&RetVal,
722 (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT), FALSE);
723 break;
724 default:
725 ERR("shouldn't reach here. phase %d\n", phase);
726 break;
727 }
728 }
729 }
730 __EXCEPT_ALL
731 {
732 RetVal = NdrProxyErrorHandler(GetExceptionCode());
733 }
734 __ENDTRY
735 }
736 else
737 {
738 /* order of phases:
739 * 1. PROXY_CALCSIZE - calculate the buffer size
740 * 2. PROXY_GETBUFFER - allocate the buffer
741 * 3. PROXY_MARHSAL - marshal [in] params into the buffer
742 * 4. PROXY_SENDRECEIVE - send/receive buffer
743 * 5. PROXY_UNMARHSAL - unmarshal [out] params from buffer
744 */
745 for (phase = PROXY_CALCSIZE; phase <= PROXY_UNMARSHAL; phase++)
746 {
747 TRACE("phase = %d\n", phase);
748 switch (phase)
749 {
750 case PROXY_GETBUFFER:
751 /* allocate the buffer */
752 if (Oif_flags.HasPipes)
753 /* NdrGetPipeBuffer(...) */
754 FIXME("pipes not supported yet\n");
755 else
756 {
757 if (pProcHeader->handle_type == RPC_FC_AUTO_HANDLE)
758 #if 0
759 NdrNsGetBuffer(&stubMsg, stubMsg.BufferLength, hBinding);
760 #else
761 FIXME("using auto handle - call NdrNsGetBuffer when it gets implemented\n");
762 #endif
763 else
764 NdrGetBuffer(&stubMsg, stubMsg.BufferLength, hBinding);
765 }
766 break;
767 case PROXY_SENDRECEIVE:
768 /* send the [in] params and receive the [out] and [retval]
769 * params */
770 if (Oif_flags.HasPipes)
771 /* NdrPipesSendReceive(...) */
772 FIXME("pipes not supported yet\n");
773 else
774 {
775 if (pProcHeader->handle_type == RPC_FC_AUTO_HANDLE)
776 #if 0
777 NdrNsSendReceive(&stubMsg, stubMsg.Buffer, pStubDesc->IMPLICIT_HANDLE_INFO.pAutoHandle);
778 #else
779 FIXME("using auto handle - call NdrNsSendReceive when it gets implemented\n");
780 #endif
781 else
782 NdrSendReceive(&stubMsg, stubMsg.Buffer);
783 }
784
785 /* convert strings, floating point values and endianess into our
786 * preferred format */
787 if ((rpcMsg.DataRepresentation & 0x0000FFFFUL) != NDR_LOCAL_DATA_REPRESENTATION)
788 NdrConvert(&stubMsg, pFormat);
789
790 break;
791 case PROXY_CALCSIZE:
792 case PROXY_MARSHAL:
793 case PROXY_UNMARSHAL:
794 if (bV2Format)
795 client_do_args(&stubMsg, pFormat, phase, stubMsg.StackTop,
796 number_of_params, (unsigned char *)&RetVal);
797 else
798 client_do_args_old_format(&stubMsg, pFormat, phase,
799 stubMsg.StackTop, stack_size, (unsigned char *)&RetVal,
800 (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT), FALSE);
801 break;
802 default:
803 ERR("shouldn't reach here. phase %d\n", phase);
804 break;
805 }
806 }
807 }
808
809 if (ext_flags.HasNewCorrDesc)
810 {
811 /* free extra correlation package */
812 NdrCorrelationFree(&stubMsg);
813 }
814
815 if (Oif_flags.HasPipes)
816 {
817 /* NdrPipesDone(...) */
818 }
819
820 /* free the full pointer translation tables */
821 if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_FULLPTR)
822 NdrFullPointerXlatFree(stubMsg.FullPtrXlatTables);
823
824 /* free marshalling buffer */
825 if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT)
826 NdrProxyFreeBuffer(This, &stubMsg);
827 else
828 {
829 NdrFreeBuffer(&stubMsg);
830 client_free_handle(&stubMsg, pProcHeader, pHandleFormat, hBinding);
831 }
832
833 TRACE("RetVal = 0x%lx\n", RetVal);
834
835 return RetVal;
836 }
837
838 /* Calls a function with the specified arguments, restoring the stack
839 * properly afterwards as we don't know the calling convention of the
840 * function */
841 #if defined __i386__ && defined _MSC_VER
842 __declspec(naked) LONG_PTR __cdecl call_server_func(SERVER_ROUTINE func, unsigned char * args, unsigned int stack_size)
843 {
844 __asm
845 {
846 push ebp
847 push edi ; Save registers
848 push esi
849 mov ebp, esp
850 mov eax, [ebp+16] ; Get stack size
851 sub esp, eax ; Make room in stack for arguments
852 mov edi, esp
853 mov ecx, eax
854 mov esi, [ebp+12]
855 shr ecx, 2
856 cld
857 rep movsd ; Copy dword blocks
858 call [ebp+8] ; Call function
859 lea esp, [ebp-8] ; Restore stack
860 pop esi ; Restore registers
861 pop edi
862 pop ebp
863 ret
864 }
865 }
866 #elif defined __i386__ && defined __GNUC__
867 LONG_PTR __cdecl call_server_func(SERVER_ROUTINE func, unsigned char * args, unsigned int stack_size);
868 __ASM_GLOBAL_FUNC(call_server_func,
869 "pushl %ebp\n\t"
870 "movl %esp, %ebp\n\t"
871 "pushl %edi\n\t" /* Save registers */
872 "pushl %esi\n\t"
873 "movl 16(%ebp), %eax\n\t" /* Get stack size */
874 "subl %eax, %esp\n\t" /* Make room in stack for arguments */
875 "andl $~15, %esp\n\t" /* Make sure stack has 16-byte alignment for Mac OS X */
876 "movl %esp, %edi\n\t"
877 "movl %eax, %ecx\n\t"
878 "movl 12(%ebp), %esi\n\t"
879 "shrl $2, %ecx\n\t" /* divide by 4 */
880 "cld\n\t"
881 "rep; movsl\n\t" /* Copy dword blocks */
882 "call *8(%ebp)\n\t" /* Call function */
883 "leal -8(%ebp), %esp\n\t" /* Restore stack */
884 "popl %esi\n\t" /* Restore registers */
885 "popl %edi\n\t"
886 "popl %ebp\n\t"
887 "ret\n" )
888 #else
889 #warning call_server_func not implemented for your architecture
890 LONG_PTR __cdecl call_server_func(SERVER_ROUTINE func, unsigned char * args, unsigned short stack_size)
891 {
892 FIXME("Not implemented for your architecture\n");
893 return 0;
894 }
895 #endif
896
897 static DWORD calc_arg_size(MIDL_STUB_MESSAGE *pStubMsg, PFORMAT_STRING pFormat)
898 {
899 DWORD size;
900 switch(*pFormat)
901 {
902 case RPC_FC_STRUCT:
903 size = *(const WORD*)(pFormat + 2);
904 break;
905 case RPC_FC_CARRAY:
906 size = *(const WORD*)(pFormat + 2);
907 ComputeConformance(pStubMsg, NULL, pFormat + 4, 0);
908 size *= pStubMsg->MaxCount;
909 break;
910 case RPC_FC_SMFARRAY:
911 size = *(const WORD*)(pFormat + 2);
912 break;
913 case RPC_FC_LGFARRAY:
914 size = *(const DWORD*)(pFormat + 2);
915 break;
916 case RPC_FC_BOGUS_ARRAY:
917 pFormat = ComputeConformance(pStubMsg, NULL, pFormat + 4, *(const WORD*)&pFormat[2]);
918 TRACE("conformance = %ld\n", pStubMsg->MaxCount);
919 pFormat = ComputeVariance(pStubMsg, NULL, pFormat, pStubMsg->MaxCount);
920 size = ComplexStructSize(pStubMsg, pFormat);
921 size *= pStubMsg->MaxCount;
922 break;
923 default:
924 FIXME("Unhandled type %02x\n", *pFormat);
925 /* fallthrough */
926 case RPC_FC_RP:
927 size = sizeof(void *);
928 break;
929 }
930 return size;
931 }
932
933 static LONG_PTR *stub_do_args(MIDL_STUB_MESSAGE *pStubMsg,
934 PFORMAT_STRING pFormat, int phase,
935 unsigned char *args,
936 unsigned short number_of_params)
937 {
938 /* counter */
939 unsigned short i;
940 /* current format string offset */
941 int current_offset = 0;
942 /* current stack offset */
943 unsigned short current_stack_offset = 0;
944 /* location to put retval into */
945 LONG_PTR *retval_ptr = NULL;
946
947 for (i = 0; i < number_of_params; i++)
948 {
949 const NDR_PARAM_OIF_BASETYPE *pParam =
950 (const NDR_PARAM_OIF_BASETYPE *)&pFormat[current_offset];
951 unsigned char *pArg;
952
953 current_stack_offset = pParam->stack_offset;
954 pArg = args + current_stack_offset;
955
956 TRACE("param[%d]: new format\n", i);
957 TRACE("\tparam_attributes:"); dump_RPC_FC_PROC_PF(pParam->param_attributes); TRACE("\n");
958 TRACE("\tstack_offset: 0x%x\n", current_stack_offset);
959 TRACE("\tmemory addr (before): %p -> %p\n", pArg, *(unsigned char **)pArg);
960
961 if (pParam->param_attributes.IsBasetype)
962 {
963 const unsigned char *pTypeFormat =
964 &pParam->type_format_char;
965
966 TRACE("\tbase type: 0x%02x\n", *pTypeFormat);
967
968 /* make a note of the address of the return value parameter for later */
969 if (pParam->param_attributes.IsReturn)
970 retval_ptr = (LONG_PTR *)pArg;
971
972 switch (phase)
973 {
974 case STUBLESS_MARSHAL:
975 if (pParam->param_attributes.IsOut || pParam->param_attributes.IsReturn)
976 {
977 if (pParam->param_attributes.IsSimpleRef)
978 call_marshaller(pStubMsg, *(unsigned char **)pArg, pTypeFormat);
979 else
980 call_marshaller(pStubMsg, pArg, pTypeFormat);
981 }
982 break;
983 case STUBLESS_FREE:
984 if (pParam->param_attributes.ServerAllocSize)
985 HeapFree(GetProcessHeap(), 0, *(void **)pArg);
986 break;
987 case STUBLESS_INITOUT:
988 break;
989 case STUBLESS_UNMARSHAL:
990 if (pParam->param_attributes.ServerAllocSize)
991 *(void **)pArg = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
992 pParam->param_attributes.ServerAllocSize * 8);
993
994 if (pParam->param_attributes.IsIn)
995 {
996 if (pParam->param_attributes.IsSimpleRef)
997 call_unmarshaller(pStubMsg, (unsigned char **)pArg, pTypeFormat, 0);
998 else
999 call_unmarshaller(pStubMsg, &pArg, pTypeFormat, 0);
1000 }
1001 break;
1002 case STUBLESS_CALCSIZE:
1003 if (pParam->param_attributes.IsOut || pParam->param_attributes.IsReturn)
1004 {
1005 if (pParam->param_attributes.IsSimpleRef)
1006 call_buffer_sizer(pStubMsg, *(unsigned char **)pArg, pTypeFormat);
1007 else
1008 call_buffer_sizer(pStubMsg, pArg, pTypeFormat);
1009 }
1010 break;
1011 default:
1012 RpcRaiseException(RPC_S_INTERNAL_ERROR);
1013 }
1014
1015 current_offset += sizeof(NDR_PARAM_OIF_BASETYPE);
1016 }
1017 else
1018 {
1019 const NDR_PARAM_OIF_OTHER *pParamOther =
1020 (const NDR_PARAM_OIF_OTHER *)&pFormat[current_offset];
1021
1022 const unsigned char * pTypeFormat =
1023 &(pStubMsg->StubDesc->pFormatTypes[pParamOther->type_offset]);
1024
1025 TRACE("\tcomplex type 0x%02x\n", *pTypeFormat);
1026
1027 switch (phase)
1028 {
1029 case STUBLESS_MARSHAL:
1030 if (pParam->param_attributes.IsOut || pParam->param_attributes.IsReturn)
1031 {
1032 if (pParam->param_attributes.IsByValue)
1033 call_marshaller(pStubMsg, pArg, pTypeFormat);
1034 else
1035 call_marshaller(pStubMsg, *(unsigned char **)pArg, pTypeFormat);
1036 }
1037 break;
1038 case STUBLESS_FREE:
1039 if (pParam->param_attributes.MustFree)
1040 {
1041 if (pParam->param_attributes.IsByValue)
1042 call_freer(pStubMsg, pArg, pTypeFormat);
1043 else
1044 call_freer(pStubMsg, *(unsigned char **)pArg, pTypeFormat);
1045 }
1046
1047 if (pParam->param_attributes.IsOut &&
1048 !pParam->param_attributes.IsIn &&
1049 !pParam->param_attributes.IsByValue &&
1050 !pParam->param_attributes.ServerAllocSize)
1051 {
1052 pStubMsg->pfnFree(*(void **)pArg);
1053 }
1054
1055 if (pParam->param_attributes.ServerAllocSize)
1056 HeapFree(GetProcessHeap(), 0, *(void **)pArg);
1057 break;
1058 case STUBLESS_INITOUT:
1059 if (!pParam->param_attributes.IsIn &&
1060 pParam->param_attributes.IsOut &&
1061 !pParam->param_attributes.ServerAllocSize &&
1062 !pParam->param_attributes.IsByValue)
1063 {
1064 DWORD size = calc_arg_size(pStubMsg, pTypeFormat);
1065
1066 if(size)
1067 {
1068 *(void **)pArg = NdrAllocate(pStubMsg, size);
1069 memset(*(void **)pArg, 0, size);
1070 }
1071 }
1072 break;
1073 case STUBLESS_UNMARSHAL:
1074 if (pParam->param_attributes.ServerAllocSize)
1075 *(void **)pArg = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
1076 pParam->param_attributes.ServerAllocSize * 8);
1077
1078 if (pParam->param_attributes.IsIn)
1079 {
1080 if (pParam->param_attributes.IsByValue)
1081 call_unmarshaller(pStubMsg, &pArg, pTypeFormat, 0);
1082 else
1083 call_unmarshaller(pStubMsg, (unsigned char **)pArg, pTypeFormat, 0);
1084 }
1085 break;
1086 case STUBLESS_CALCSIZE:
1087 if (pParam->param_attributes.IsOut || pParam->param_attributes.IsReturn)
1088 {
1089 if (pParam->param_attributes.IsByValue)
1090 call_buffer_sizer(pStubMsg, pArg, pTypeFormat);
1091 else
1092 call_buffer_sizer(pStubMsg, *(unsigned char **)pArg, pTypeFormat);
1093 }
1094 break;
1095 default:
1096 RpcRaiseException(RPC_S_INTERNAL_ERROR);
1097 }
1098
1099 current_offset += sizeof(NDR_PARAM_OIF_OTHER);
1100 }
1101 TRACE("\tmemory addr (after): %p -> %p\n", pArg, *(unsigned char **)pArg);
1102 }
1103
1104 return retval_ptr;
1105 }
1106
1107 static LONG_PTR *stub_do_old_args(MIDL_STUB_MESSAGE *pStubMsg,
1108 PFORMAT_STRING pFormat, int phase,
1109 unsigned char *args,
1110 unsigned short stack_size, BOOL object)
1111 {
1112 /* counter */
1113 unsigned short i;
1114 /* current format string offset */
1115 int current_offset = 0;
1116 /* current stack offset */
1117 unsigned short current_stack_offset = 0;
1118 /* location to put retval into */
1119 LONG_PTR *retval_ptr = NULL;
1120
1121 for (i = 0; TRUE; i++)
1122 {
1123 const NDR_PARAM_OI_BASETYPE *pParam =
1124 (const NDR_PARAM_OI_BASETYPE *)&pFormat[current_offset];
1125 /* note: current_stack_offset starts after the This pointer
1126 * if present, so adjust this */
1127 unsigned short current_stack_offset_adjusted = current_stack_offset +
1128 (object ? sizeof(void *) : 0);
1129 unsigned char *pArg = args + current_stack_offset_adjusted;
1130
1131 /* no more parameters; exit loop */
1132 if (current_stack_offset_adjusted >= stack_size)
1133 break;
1134
1135 TRACE("param[%d]: old format\n", i);
1136 TRACE("\tparam_direction: 0x%x\n", pParam->param_direction);
1137 TRACE("\tstack_offset: 0x%x\n", current_stack_offset_adjusted);
1138
1139 if (pParam->param_direction == RPC_FC_IN_PARAM_BASETYPE ||
1140 pParam->param_direction == RPC_FC_RETURN_PARAM_BASETYPE)
1141 {
1142 const unsigned char *pTypeFormat =
1143 &pParam->type_format_char;
1144
1145 TRACE("\tbase type 0x%02x\n", *pTypeFormat);
1146
1147 if (pParam->param_direction == RPC_FC_RETURN_PARAM_BASETYPE)
1148 retval_ptr = (LONG_PTR *)pArg;
1149
1150 switch (phase)
1151 {
1152 case STUBLESS_MARSHAL:
1153 if (pParam->param_direction == RPC_FC_RETURN_PARAM_BASETYPE)
1154 call_marshaller(pStubMsg, pArg, pTypeFormat);
1155 break;
1156 case STUBLESS_FREE:
1157 if (pParam->param_direction == RPC_FC_IN_PARAM_BASETYPE)
1158 call_freer(pStubMsg, pArg, pTypeFormat);
1159 break;
1160 case STUBLESS_UNMARSHAL:
1161 if (pParam->param_direction == RPC_FC_IN_PARAM_BASETYPE)
1162 call_unmarshaller(pStubMsg, &pArg, pTypeFormat, 0);
1163 break;
1164 case STUBLESS_CALCSIZE:
1165 if (pParam->param_direction == RPC_FC_RETURN_PARAM_BASETYPE)
1166 call_buffer_sizer(pStubMsg, pArg, pTypeFormat);
1167 break;
1168 default:
1169 RpcRaiseException(RPC_S_INTERNAL_ERROR);
1170 }
1171
1172 current_stack_offset += type_stack_size(*pTypeFormat);
1173 current_offset += sizeof(NDR_PARAM_OI_BASETYPE);
1174 }
1175 else
1176 {
1177 const NDR_PARAM_OI_OTHER *pParamOther =
1178 (const NDR_PARAM_OI_OTHER *)&pFormat[current_offset];
1179
1180 const unsigned char * pTypeFormat =
1181 &pStubMsg->StubDesc->pFormatTypes[pParamOther->type_offset];
1182
1183 TRACE("\tcomplex type 0x%02x\n", *pTypeFormat);
1184
1185 if (pParam->param_direction == RPC_FC_RETURN_PARAM)
1186 retval_ptr = (LONG_PTR *)pArg;
1187
1188 switch (phase)
1189 {
1190 case STUBLESS_MARSHAL:
1191 if (pParam->param_direction == RPC_FC_OUT_PARAM ||
1192 pParam->param_direction == RPC_FC_IN_OUT_PARAM ||
1193 pParam->param_direction == RPC_FC_RETURN_PARAM)
1194 call_marshaller(pStubMsg, *(unsigned char **)pArg, pTypeFormat);
1195 break;
1196 case STUBLESS_FREE:
1197 if (pParam->param_direction == RPC_FC_IN_OUT_PARAM ||
1198 pParam->param_direction == RPC_FC_IN_PARAM)
1199 call_freer(pStubMsg, *(unsigned char **)pArg, pTypeFormat);
1200 else if (pParam->param_direction == RPC_FC_OUT_PARAM)
1201 pStubMsg->pfnFree(*(void **)pArg);
1202 break;
1203 case STUBLESS_INITOUT:
1204 if (pParam->param_direction == RPC_FC_OUT_PARAM)
1205 {
1206 DWORD size = calc_arg_size(pStubMsg, pTypeFormat);
1207
1208 if(size)
1209 {
1210 *(void **)pArg = NdrAllocate(pStubMsg, size);
1211 memset(*(void **)pArg, 0, size);
1212 }
1213 }
1214 break;
1215 case STUBLESS_UNMARSHAL:
1216 if (pParam->param_direction == RPC_FC_IN_OUT_PARAM ||
1217 pParam->param_direction == RPC_FC_IN_PARAM)
1218 call_unmarshaller(pStubMsg, (unsigned char **)pArg, pTypeFormat, 0);
1219 break;
1220 case STUBLESS_CALCSIZE:
1221 if (pParam->param_direction == RPC_FC_OUT_PARAM ||
1222 pParam->param_direction == RPC_FC_IN_OUT_PARAM ||
1223 pParam->param_direction == RPC_FC_RETURN_PARAM)
1224 call_buffer_sizer(pStubMsg, *(unsigned char **)pArg, pTypeFormat);
1225 break;
1226 default:
1227 RpcRaiseException(RPC_S_INTERNAL_ERROR);
1228 }
1229
1230 current_stack_offset += pParamOther->stack_size * sizeof(INT);
1231 current_offset += sizeof(NDR_PARAM_OI_OTHER);
1232 }
1233 }
1234
1235 return retval_ptr;
1236 }
1237
1238 /***********************************************************************
1239 * NdrStubCall2 [RPCRT4.@]
1240 *
1241 * Unmarshals [in] parameters, calls either a method in an object or a server
1242 * function, marshals any [out] parameters and frees any allocated data.
1243 *
1244 * NOTES
1245 * Used by stubless MIDL-generated code.
1246 */
1247 LONG WINAPI NdrStubCall2(
1248 struct IRpcStubBuffer * pThis,
1249 struct IRpcChannelBuffer * pChannel,
1250 PRPC_MESSAGE pRpcMsg,
1251 DWORD * pdwStubPhase)
1252 {
1253 const MIDL_SERVER_INFO *pServerInfo;
1254 const MIDL_STUB_DESC *pStubDesc;
1255 PFORMAT_STRING pFormat;
1256 MIDL_STUB_MESSAGE stubMsg;
1257 /* pointer to start of stack to pass into stub implementation */
1258 unsigned char * args;
1259 /* size of stack */
1260 unsigned short stack_size;
1261 /* number of parameters. optional for client to give it to us */
1262 unsigned char number_of_params = ~0;
1263 /* cache of Oif_flags from v2 procedure header */
1264 INTERPRETER_OPT_FLAGS Oif_flags = { 0 };
1265 /* cache of extension flags from NDR_PROC_HEADER_EXTS */
1266 INTERPRETER_OPT_FLAGS2 ext_flags = { 0 };
1267 /* the type of pass we are currently doing */
1268 int phase;
1269 /* header for procedure string */
1270 const NDR_PROC_HEADER *pProcHeader;
1271 /* offset in format string for start of params */
1272 int parameter_start_offset;
1273 /* current format string offset */
1274 int current_offset;
1275 /* -Oif or -Oicf generated format */
1276 BOOL bV2Format = FALSE;
1277 /* location to put retval into */
1278 LONG_PTR *retval_ptr = NULL;
1279
1280 TRACE("pThis %p, pChannel %p, pRpcMsg %p, pdwStubPhase %p\n", pThis, pChannel, pRpcMsg, pdwStubPhase);
1281
1282 if (pThis)
1283 pServerInfo = CStdStubBuffer_GetServerInfo(pThis);
1284 else
1285 pServerInfo = ((RPC_SERVER_INTERFACE *)pRpcMsg->RpcInterfaceInformation)->InterpreterInfo;
1286
1287 pStubDesc = pServerInfo->pStubDesc;
1288 pFormat = pServerInfo->ProcString + pServerInfo->FmtStringOffset[pRpcMsg->ProcNum];
1289 pProcHeader = (const NDR_PROC_HEADER *)&pFormat[0];
1290
1291 TRACE("NDR Version: 0x%x\n", pStubDesc->Version);
1292
1293 /* create the full pointer translation tables, if requested */
1294 if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_FULLPTR)
1295 stubMsg.FullPtrXlatTables = NdrFullPointerXlatInit(0,XLAT_SERVER);
1296
1297 if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCFLAGS)
1298 {
1299 const NDR_PROC_HEADER_RPC *pProcHeader = (const NDR_PROC_HEADER_RPC *)&pFormat[0];
1300 stack_size = pProcHeader->stack_size;
1301 current_offset = sizeof(NDR_PROC_HEADER_RPC);
1302
1303 }
1304 else
1305 {
1306 stack_size = pProcHeader->stack_size;
1307 current_offset = sizeof(NDR_PROC_HEADER);
1308 }
1309
1310 TRACE("Oi_flags = 0x%02x\n", pProcHeader->Oi_flags);
1311
1312 /* binding */
1313 switch (pProcHeader->handle_type)
1314 {
1315 /* explicit binding: parse additional section */
1316 case RPC_FC_BIND_EXPLICIT:
1317 switch (pFormat[current_offset]) /* handle_type */
1318 {
1319 case RPC_FC_BIND_PRIMITIVE: /* explicit primitive */
1320 current_offset += sizeof(NDR_EHD_PRIMITIVE);
1321 break;
1322 case RPC_FC_BIND_GENERIC: /* explicit generic */
1323 current_offset += sizeof(NDR_EHD_GENERIC);
1324 break;
1325 case RPC_FC_BIND_CONTEXT: /* explicit context */
1326 current_offset += sizeof(NDR_EHD_CONTEXT);
1327 break;
1328 default:
1329 ERR("bad explicit binding handle type (0x%02x)\n", pProcHeader->handle_type);
1330 RpcRaiseException(RPC_X_BAD_STUB_DATA);
1331 }
1332 break;
1333 case RPC_FC_BIND_GENERIC: /* implicit generic */
1334 case RPC_FC_BIND_PRIMITIVE: /* implicit primitive */
1335 case RPC_FC_CALLBACK_HANDLE: /* implicit callback */
1336 case RPC_FC_AUTO_HANDLE: /* implicit auto handle */
1337 break;
1338 default:
1339 ERR("bad implicit binding handle type (0x%02x)\n", pProcHeader->handle_type);
1340 RpcRaiseException(RPC_X_BAD_STUB_DATA);
1341 }
1342
1343 bV2Format = (pStubDesc->Version >= 0x20000);
1344
1345 if (bV2Format)
1346 {
1347 const NDR_PROC_PARTIAL_OIF_HEADER *pOIFHeader =
1348 (const NDR_PROC_PARTIAL_OIF_HEADER *)&pFormat[current_offset];
1349
1350 Oif_flags = pOIFHeader->Oi2Flags;
1351 number_of_params = pOIFHeader->number_of_params;
1352
1353 current_offset += sizeof(NDR_PROC_PARTIAL_OIF_HEADER);
1354 }
1355
1356 TRACE("Oif_flags = "); dump_INTERPRETER_OPT_FLAGS(Oif_flags);
1357
1358 if (Oif_flags.HasExtensions)
1359 {
1360 const NDR_PROC_HEADER_EXTS *pExtensions =
1361 (const NDR_PROC_HEADER_EXTS *)&pFormat[current_offset];
1362 ext_flags = pExtensions->Flags2;
1363 current_offset += pExtensions->Size;
1364 }
1365
1366 if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT)
1367 NdrStubInitialize(pRpcMsg, &stubMsg, pStubDesc, pChannel);
1368 else
1369 NdrServerInitializeNew(pRpcMsg, &stubMsg, pStubDesc);
1370
1371 /* store the RPC flags away */
1372 if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCFLAGS)
1373 pRpcMsg->RpcFlags = ((const NDR_PROC_HEADER_RPC *)pProcHeader)->rpc_flags;
1374
1375 /* use alternate memory allocation routines */
1376 if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCSSALLOC)
1377 #if 0
1378 NdrRpcSsEnableAllocate(&stubMsg);
1379 #else
1380 FIXME("Set RPCSS memory allocation routines\n");
1381 #endif
1382
1383 if (Oif_flags.HasPipes)
1384 {
1385 FIXME("pipes not supported yet\n");
1386 RpcRaiseException(RPC_X_WRONG_STUB_VERSION); /* FIXME: remove when implemented */
1387 /* init pipes package */
1388 /* NdrPipesInitialize(...) */
1389 }
1390 if (ext_flags.HasNewCorrDesc)
1391 {
1392 /* initialize extra correlation package */
1393 FIXME("new correlation description not implemented\n");
1394 stubMsg.fHasNewCorrDesc = TRUE;
1395 }
1396
1397 /* convert strings, floating point values and endianess into our
1398 * preferred format */
1399 if ((pRpcMsg->DataRepresentation & 0x0000FFFFUL) != NDR_LOCAL_DATA_REPRESENTATION)
1400 NdrConvert(&stubMsg, pFormat);
1401
1402 parameter_start_offset = current_offset;
1403
1404 TRACE("allocating memory for stack of size %x\n", stack_size);
1405
1406 args = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, stack_size);
1407 stubMsg.StackTop = args; /* used by conformance of top-level objects */
1408
1409 /* add the implicit This pointer as the first arg to the function if we
1410 * are calling an object method */
1411 if (pThis)
1412 *(void **)args = ((CStdStubBuffer *)pThis)->pvServerObject;
1413
1414 /* order of phases:
1415 * 1. STUBLESS_UNMARHSAL - unmarshal [in] params from buffer
1416 * 2. STUBLESS_CALLSERVER - send/receive buffer
1417 * 3. STUBLESS_CALCSIZE - get [out] buffer size
1418 * 4. STUBLESS_GETBUFFER - allocate [out] buffer
1419 * 5. STUBLESS_MARHSAL - marshal [out] params to buffer
1420 */
1421 for (phase = STUBLESS_UNMARSHAL; phase <= STUBLESS_FREE; phase++)
1422 {
1423 TRACE("phase = %d\n", phase);
1424 switch (phase)
1425 {
1426 case STUBLESS_CALLSERVER:
1427 /* call the server function */
1428 if (pServerInfo->ThunkTable && pServerInfo->ThunkTable[pRpcMsg->ProcNum])
1429 pServerInfo->ThunkTable[pRpcMsg->ProcNum](&stubMsg);
1430 else
1431 {
1432 SERVER_ROUTINE func;
1433 LONG_PTR retval;
1434
1435 if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT)
1436 {
1437 SERVER_ROUTINE *vtbl = *(SERVER_ROUTINE **)((CStdStubBuffer *)pThis)->pvServerObject;
1438 func = vtbl[pRpcMsg->ProcNum];
1439 }
1440 else
1441 func = pServerInfo->DispatchTable[pRpcMsg->ProcNum];
1442
1443 /* FIXME: what happens with return values that don't fit into a single register on x86? */
1444 retval = call_server_func(func, args, stack_size);
1445
1446 if (retval_ptr)
1447 {
1448 TRACE("stub implementation returned 0x%lx\n", retval);
1449 *retval_ptr = retval;
1450 }
1451 else
1452 TRACE("void stub implementation\n");
1453 }
1454
1455 stubMsg.Buffer = NULL;
1456 stubMsg.BufferLength = 0;
1457
1458 break;
1459 case STUBLESS_GETBUFFER:
1460 if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT)
1461 NdrStubGetBuffer(pThis, pChannel, &stubMsg);
1462 else
1463 {
1464 RPC_STATUS Status;
1465
1466 pRpcMsg->BufferLength = stubMsg.BufferLength;
1467 /* allocate buffer for [out] and [ret] params */
1468 Status = I_RpcGetBuffer(pRpcMsg);
1469 if (Status)
1470 RpcRaiseException(Status);
1471 stubMsg.Buffer = pRpcMsg->Buffer;
1472 }
1473 break;
1474 case STUBLESS_UNMARSHAL:
1475 case STUBLESS_INITOUT:
1476 case STUBLESS_CALCSIZE:
1477 case STUBLESS_MARSHAL:
1478 case STUBLESS_FREE:
1479 if (bV2Format)
1480 retval_ptr = stub_do_args(&stubMsg, &pFormat[parameter_start_offset],
1481 phase, args, number_of_params);
1482 else
1483 retval_ptr = stub_do_old_args(&stubMsg, &pFormat[parameter_start_offset],
1484 phase, args, stack_size,
1485 (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT));
1486
1487 break;
1488 default:
1489 ERR("shouldn't reach here. phase %d\n", phase);
1490 break;
1491 }
1492 }
1493
1494 pRpcMsg->BufferLength = (unsigned int)(stubMsg.Buffer - (unsigned char *)pRpcMsg->Buffer);
1495
1496 if (ext_flags.HasNewCorrDesc)
1497 {
1498 /* free extra correlation package */
1499 /* NdrCorrelationFree(&stubMsg); */
1500 }
1501
1502 if (Oif_flags.HasPipes)
1503 {
1504 /* NdrPipesDone(...) */
1505 }
1506
1507 /* free the full pointer translation tables */
1508 if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_FULLPTR)
1509 NdrFullPointerXlatFree(stubMsg.FullPtrXlatTables);
1510
1511 /* free server function stack */
1512 HeapFree(GetProcessHeap(), 0, args);
1513
1514 return S_OK;
1515 }
1516
1517 /***********************************************************************
1518 * NdrServerCall2 [RPCRT4.@]
1519 */
1520 void WINAPI NdrServerCall2(PRPC_MESSAGE pRpcMsg)
1521 {
1522 DWORD dwPhase;
1523 NdrStubCall2(NULL, NULL, pRpcMsg, &dwPhase);
1524 }
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