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[reactos.git] / 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 CLIENT_CALL_RETURN WINAPIV NdrClientCall2(PMIDL_STUB_DESC pStubDesc, PFORMAT_STRING pFormat, ...)
552 {
553 /* pointer to start of stack where arguments start */
554 RPC_MESSAGE rpcMsg;
555 MIDL_STUB_MESSAGE stubMsg;
556 handle_t hBinding = NULL;
557 /* procedure number */
558 unsigned short procedure_number;
559 /* size of stack */
560 unsigned short stack_size;
561 /* number of parameters. optional for client to give it to us */
562 unsigned char number_of_params = ~0;
563 /* cache of Oif_flags from v2 procedure header */
564 INTERPRETER_OPT_FLAGS Oif_flags = { 0 };
565 /* cache of extension flags from NDR_PROC_HEADER_EXTS */
566 INTERPRETER_OPT_FLAGS2 ext_flags = { 0 };
567 /* the type of pass we are currently doing */
568 int phase;
569 /* header for procedure string */
570 const NDR_PROC_HEADER * pProcHeader = (const NDR_PROC_HEADER *)&pFormat[0];
571 /* -Oif or -Oicf generated format */
572 BOOL bV2Format = FALSE;
573 /* the value to return to the client from the remote procedure */
574 CLIENT_CALL_RETURN RetVal = {0};
575 /* the pointer to the object when in OLE mode */
576 void * This = NULL;
577 PFORMAT_STRING pHandleFormat;
578 /* correlation cache */
579 unsigned long NdrCorrCache[256];
580
581 TRACE("pStubDesc %p, pFormat %p, ...\n", pStubDesc, pFormat);
582
583 TRACE("NDR Version: 0x%x\n", pStubDesc->Version);
584
585 if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCFLAGS)
586 {
587 const NDR_PROC_HEADER_RPC *pProcHeader = (const NDR_PROC_HEADER_RPC *)&pFormat[0];
588 stack_size = pProcHeader->stack_size;
589 procedure_number = pProcHeader->proc_num;
590 pFormat += sizeof(NDR_PROC_HEADER_RPC);
591 }
592 else
593 {
594 stack_size = pProcHeader->stack_size;
595 procedure_number = pProcHeader->proc_num;
596 pFormat += sizeof(NDR_PROC_HEADER);
597 }
598 TRACE("stack size: 0x%x\n", stack_size);
599 TRACE("proc num: %d\n", procedure_number);
600
601 /* create the full pointer translation tables, if requested */
602 if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_FULLPTR)
603 stubMsg.FullPtrXlatTables = NdrFullPointerXlatInit(0,XLAT_CLIENT);
604
605 if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT)
606 {
607 /* object is always the first argument */
608 This = **(void *const **)(&pFormat+1);
609 NdrProxyInitialize(This, &rpcMsg, &stubMsg, pStubDesc, procedure_number);
610 }
611 else
612 NdrClientInitializeNew(&rpcMsg, &stubMsg, pStubDesc, procedure_number);
613
614 TRACE("Oi_flags = 0x%02x\n", pProcHeader->Oi_flags);
615 TRACE("MIDL stub version = 0x%x\n", pStubDesc->MIDLVersion);
616
617 /* needed for conformance of top-level objects */
618 #ifdef __i386__
619 stubMsg.StackTop = *(unsigned char **)(&pFormat+1);
620 #else
621 # warning Stack not retrieved for your CPU architecture
622 #endif
623
624 pHandleFormat = pFormat;
625
626 /* we only need a handle if this isn't an object method */
627 if (!(pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT))
628 {
629 pFormat = client_get_handle(&stubMsg, pProcHeader, pHandleFormat, &hBinding);
630 if (!pFormat) return RetVal;
631 }
632
633 bV2Format = (pStubDesc->Version >= 0x20000);
634
635 if (bV2Format)
636 {
637 const NDR_PROC_PARTIAL_OIF_HEADER *pOIFHeader =
638 (const NDR_PROC_PARTIAL_OIF_HEADER *)pFormat;
639
640 Oif_flags = pOIFHeader->Oi2Flags;
641 number_of_params = pOIFHeader->number_of_params;
642
643 pFormat += sizeof(NDR_PROC_PARTIAL_OIF_HEADER);
644 }
645
646 TRACE("Oif_flags = "); dump_INTERPRETER_OPT_FLAGS(Oif_flags);
647
648 if (Oif_flags.HasExtensions)
649 {
650 const NDR_PROC_HEADER_EXTS *pExtensions =
651 (const NDR_PROC_HEADER_EXTS *)pFormat;
652 ext_flags = pExtensions->Flags2;
653 pFormat += pExtensions->Size;
654 }
655
656 stubMsg.BufferLength = 0;
657
658 /* store the RPC flags away */
659 if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCFLAGS)
660 rpcMsg.RpcFlags = ((const NDR_PROC_HEADER_RPC *)pProcHeader)->rpc_flags;
661
662 /* use alternate memory allocation routines */
663 if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCSSALLOC)
664 NdrRpcSmSetClientToOsf(&stubMsg);
665
666 if (Oif_flags.HasPipes)
667 {
668 FIXME("pipes not supported yet\n");
669 RpcRaiseException(RPC_X_WRONG_STUB_VERSION); /* FIXME: remove when implemented */
670 /* init pipes package */
671 /* NdrPipesInitialize(...) */
672 }
673 if (ext_flags.HasNewCorrDesc)
674 {
675 /* initialize extra correlation package */
676 NdrCorrelationInitialize(&stubMsg, NdrCorrCache, sizeof(NdrCorrCache), 0);
677 }
678
679 /* order of phases:
680 * 1. PROXY_CALCSIZE - calculate the buffer size
681 * 2. PROXY_GETBUFFER - allocate the buffer
682 * 3. PROXY_MARHSAL - marshal [in] params into the buffer
683 * 4. PROXY_SENDRECEIVE - send/receive buffer
684 * 5. PROXY_UNMARHSAL - unmarshal [out] params from buffer
685 */
686 if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT)
687 {
688 __TRY
689 {
690 for (phase = PROXY_CALCSIZE; phase <= PROXY_UNMARSHAL; phase++)
691 {
692 TRACE("phase = %d\n", phase);
693 switch (phase)
694 {
695 case PROXY_GETBUFFER:
696 /* allocate the buffer */
697 NdrProxyGetBuffer(This, &stubMsg);
698 break;
699 case PROXY_SENDRECEIVE:
700 /* send the [in] params and receive the [out] and [retval]
701 * params */
702 NdrProxySendReceive(This, &stubMsg);
703
704 /* convert strings, floating point values and endianess into our
705 * preferred format */
706 if ((rpcMsg.DataRepresentation & 0x0000FFFFUL) != NDR_LOCAL_DATA_REPRESENTATION)
707 NdrConvert(&stubMsg, pFormat);
708
709 break;
710 case PROXY_CALCSIZE:
711 case PROXY_MARSHAL:
712 case PROXY_UNMARSHAL:
713 if (bV2Format)
714 client_do_args(&stubMsg, pFormat, phase, stubMsg.StackTop,
715 number_of_params, (unsigned char *)&RetVal);
716 else
717 client_do_args_old_format(&stubMsg, pFormat, phase,
718 stubMsg.StackTop, stack_size, (unsigned char *)&RetVal,
719 (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT), FALSE);
720 break;
721 default:
722 ERR("shouldn't reach here. phase %d\n", phase);
723 break;
724 }
725 }
726 }
727 __EXCEPT_ALL
728 {
729 RetVal.Simple = NdrProxyErrorHandler(GetExceptionCode());
730 }
731 __ENDTRY
732 }
733 else
734 {
735 /* order of phases:
736 * 1. PROXY_CALCSIZE - calculate the buffer size
737 * 2. PROXY_GETBUFFER - allocate the buffer
738 * 3. PROXY_MARHSAL - marshal [in] params into the buffer
739 * 4. PROXY_SENDRECEIVE - send/receive buffer
740 * 5. PROXY_UNMARHSAL - unmarshal [out] params from buffer
741 */
742 for (phase = PROXY_CALCSIZE; phase <= PROXY_UNMARSHAL; phase++)
743 {
744 TRACE("phase = %d\n", phase);
745 switch (phase)
746 {
747 case PROXY_GETBUFFER:
748 /* allocate the buffer */
749 if (Oif_flags.HasPipes)
750 /* NdrGetPipeBuffer(...) */
751 FIXME("pipes not supported yet\n");
752 else
753 {
754 if (pProcHeader->handle_type == RPC_FC_AUTO_HANDLE)
755 #if 0
756 NdrNsGetBuffer(&stubMsg, stubMsg.BufferLength, hBinding);
757 #else
758 FIXME("using auto handle - call NdrNsGetBuffer when it gets implemented\n");
759 #endif
760 else
761 NdrGetBuffer(&stubMsg, stubMsg.BufferLength, hBinding);
762 }
763 break;
764 case PROXY_SENDRECEIVE:
765 /* send the [in] params and receive the [out] and [retval]
766 * params */
767 if (Oif_flags.HasPipes)
768 /* NdrPipesSendReceive(...) */
769 FIXME("pipes not supported yet\n");
770 else
771 {
772 if (pProcHeader->handle_type == RPC_FC_AUTO_HANDLE)
773 #if 0
774 NdrNsSendReceive(&stubMsg, stubMsg.Buffer, pStubDesc->IMPLICIT_HANDLE_INFO.pAutoHandle);
775 #else
776 FIXME("using auto handle - call NdrNsSendReceive when it gets implemented\n");
777 #endif
778 else
779 NdrSendReceive(&stubMsg, stubMsg.Buffer);
780 }
781
782 /* convert strings, floating point values and endianess into our
783 * preferred format */
784 if ((rpcMsg.DataRepresentation & 0x0000FFFFUL) != NDR_LOCAL_DATA_REPRESENTATION)
785 NdrConvert(&stubMsg, pFormat);
786
787 break;
788 case PROXY_CALCSIZE:
789 case PROXY_MARSHAL:
790 case PROXY_UNMARSHAL:
791 if (bV2Format)
792 client_do_args(&stubMsg, pFormat, phase, stubMsg.StackTop,
793 number_of_params, (unsigned char *)&RetVal);
794 else
795 client_do_args_old_format(&stubMsg, pFormat, phase,
796 stubMsg.StackTop, stack_size, (unsigned char *)&RetVal,
797 (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT), FALSE);
798 break;
799 default:
800 ERR("shouldn't reach here. phase %d\n", phase);
801 break;
802 }
803 }
804 }
805
806 if (ext_flags.HasNewCorrDesc)
807 {
808 /* free extra correlation package */
809 NdrCorrelationFree(&stubMsg);
810 }
811
812 if (Oif_flags.HasPipes)
813 {
814 /* NdrPipesDone(...) */
815 }
816
817 /* free the full pointer translation tables */
818 if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_FULLPTR)
819 NdrFullPointerXlatFree(stubMsg.FullPtrXlatTables);
820
821 /* free marshalling buffer */
822 if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT)
823 NdrProxyFreeBuffer(This, &stubMsg);
824 else
825 {
826 NdrFreeBuffer(&stubMsg);
827 client_free_handle(&stubMsg, pProcHeader, pHandleFormat, hBinding);
828 }
829
830 TRACE("RetVal = 0x%lx\n", RetVal);
831
832 return RetVal;
833 }
834
835 /* Calls a function with the specified arguments, restoring the stack
836 * properly afterwards as we don't know the calling convention of the
837 * function */
838 #if defined __i386__ && defined _MSC_VER
839 __declspec(naked) LONG_PTR __cdecl call_server_func(SERVER_ROUTINE func, unsigned char * args, unsigned int stack_size)
840 {
841 __asm
842 {
843 push ebp
844 push edi ; Save registers
845 push esi
846 mov ebp, esp
847 mov eax, [ebp+16] ; Get stack size
848 sub esp, eax ; Make room in stack for arguments
849 mov edi, esp
850 mov ecx, eax
851 mov esi, [ebp+12]
852 shr ecx, 2
853 cld
854 rep movsd ; Copy dword blocks
855 call [ebp+8] ; Call function
856 lea esp, [ebp-8] ; Restore stack
857 pop esi ; Restore registers
858 pop edi
859 pop ebp
860 ret
861 }
862 }
863 #elif defined __i386__ && defined __GNUC__
864 LONG_PTR __cdecl call_server_func(SERVER_ROUTINE func, unsigned char * args, unsigned int stack_size);
865 __ASM_GLOBAL_FUNC(call_server_func,
866 "pushl %ebp\n\t"
867 "movl %esp, %ebp\n\t"
868 "pushl %edi\n\t" /* Save registers */
869 "pushl %esi\n\t"
870 "movl 16(%ebp), %eax\n\t" /* Get stack size */
871 "subl %eax, %esp\n\t" /* Make room in stack for arguments */
872 "andl $~15, %esp\n\t" /* Make sure stack has 16-byte alignment for Mac OS X */
873 "movl %esp, %edi\n\t"
874 "movl %eax, %ecx\n\t"
875 "movl 12(%ebp), %esi\n\t"
876 "shrl $2, %ecx\n\t" /* divide by 4 */
877 "cld\n\t"
878 "rep; movsl\n\t" /* Copy dword blocks */
879 "call *8(%ebp)\n\t" /* Call function */
880 "leal -8(%ebp), %esp\n\t" /* Restore stack */
881 "popl %esi\n\t" /* Restore registers */
882 "popl %edi\n\t"
883 "popl %ebp\n\t"
884 "ret\n" )
885 #else
886 #warning call_server_func not implemented for your architecture
887 LONG_PTR __cdecl call_server_func(SERVER_ROUTINE func, unsigned char * args, unsigned short stack_size)
888 {
889 FIXME("Not implemented for your architecture\n");
890 return 0;
891 }
892 #endif
893
894 static DWORD calc_arg_size(MIDL_STUB_MESSAGE *pStubMsg, PFORMAT_STRING pFormat)
895 {
896 DWORD size;
897 switch(*pFormat)
898 {
899 case RPC_FC_STRUCT:
900 size = *(const WORD*)(pFormat + 2);
901 break;
902 case RPC_FC_CARRAY:
903 size = *(const WORD*)(pFormat + 2);
904 ComputeConformance(pStubMsg, NULL, pFormat + 4, 0);
905 size *= pStubMsg->MaxCount;
906 break;
907 case RPC_FC_SMFARRAY:
908 size = *(const WORD*)(pFormat + 2);
909 break;
910 case RPC_FC_LGFARRAY:
911 size = *(const DWORD*)(pFormat + 2);
912 break;
913 case RPC_FC_BOGUS_ARRAY:
914 pFormat = ComputeConformance(pStubMsg, NULL, pFormat + 4, *(const WORD*)&pFormat[2]);
915 TRACE("conformance = %ld\n", pStubMsg->MaxCount);
916 pFormat = ComputeVariance(pStubMsg, NULL, pFormat, pStubMsg->MaxCount);
917 size = ComplexStructSize(pStubMsg, pFormat);
918 size *= pStubMsg->MaxCount;
919 break;
920 default:
921 FIXME("Unhandled type %02x\n", *pFormat);
922 /* fallthrough */
923 case RPC_FC_RP:
924 size = sizeof(void *);
925 break;
926 }
927 return size;
928 }
929
930 static LONG_PTR *stub_do_args(MIDL_STUB_MESSAGE *pStubMsg,
931 PFORMAT_STRING pFormat, int phase,
932 unsigned char *args,
933 unsigned short number_of_params)
934 {
935 /* counter */
936 unsigned short i;
937 /* current format string offset */
938 int current_offset = 0;
939 /* current stack offset */
940 unsigned short current_stack_offset = 0;
941 /* location to put retval into */
942 LONG_PTR *retval_ptr = NULL;
943
944 for (i = 0; i < number_of_params; i++)
945 {
946 const NDR_PARAM_OIF_BASETYPE *pParam =
947 (const NDR_PARAM_OIF_BASETYPE *)&pFormat[current_offset];
948 unsigned char *pArg;
949
950 current_stack_offset = pParam->stack_offset;
951 pArg = args + current_stack_offset;
952
953 TRACE("param[%d]: new format\n", i);
954 TRACE("\tparam_attributes:"); dump_RPC_FC_PROC_PF(pParam->param_attributes); TRACE("\n");
955 TRACE("\tstack_offset: 0x%x\n", current_stack_offset);
956 TRACE("\tmemory addr (before): %p -> %p\n", pArg, *(unsigned char **)pArg);
957
958 if (pParam->param_attributes.IsBasetype)
959 {
960 const unsigned char *pTypeFormat =
961 &pParam->type_format_char;
962
963 TRACE("\tbase type: 0x%02x\n", *pTypeFormat);
964
965 /* make a note of the address of the return value parameter for later */
966 if (pParam->param_attributes.IsReturn)
967 retval_ptr = (LONG_PTR *)pArg;
968
969 switch (phase)
970 {
971 case STUBLESS_MARSHAL:
972 if (pParam->param_attributes.IsOut || pParam->param_attributes.IsReturn)
973 {
974 if (pParam->param_attributes.IsSimpleRef)
975 call_marshaller(pStubMsg, *(unsigned char **)pArg, pTypeFormat);
976 else
977 call_marshaller(pStubMsg, pArg, pTypeFormat);
978 }
979 break;
980 case STUBLESS_FREE:
981 if (pParam->param_attributes.ServerAllocSize)
982 HeapFree(GetProcessHeap(), 0, *(void **)pArg);
983 break;
984 case STUBLESS_INITOUT:
985 break;
986 case STUBLESS_UNMARSHAL:
987 if (pParam->param_attributes.ServerAllocSize)
988 *(void **)pArg = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
989 pParam->param_attributes.ServerAllocSize * 8);
990
991 if (pParam->param_attributes.IsIn)
992 {
993 if (pParam->param_attributes.IsSimpleRef)
994 call_unmarshaller(pStubMsg, (unsigned char **)pArg, pTypeFormat, 0);
995 else
996 call_unmarshaller(pStubMsg, &pArg, pTypeFormat, 0);
997 }
998 break;
999 case STUBLESS_CALCSIZE:
1000 if (pParam->param_attributes.IsOut || pParam->param_attributes.IsReturn)
1001 {
1002 if (pParam->param_attributes.IsSimpleRef)
1003 call_buffer_sizer(pStubMsg, *(unsigned char **)pArg, pTypeFormat);
1004 else
1005 call_buffer_sizer(pStubMsg, pArg, pTypeFormat);
1006 }
1007 break;
1008 default:
1009 RpcRaiseException(RPC_S_INTERNAL_ERROR);
1010 }
1011
1012 current_offset += sizeof(NDR_PARAM_OIF_BASETYPE);
1013 }
1014 else
1015 {
1016 const NDR_PARAM_OIF_OTHER *pParamOther =
1017 (const NDR_PARAM_OIF_OTHER *)&pFormat[current_offset];
1018
1019 const unsigned char * pTypeFormat =
1020 &(pStubMsg->StubDesc->pFormatTypes[pParamOther->type_offset]);
1021
1022 TRACE("\tcomplex type 0x%02x\n", *pTypeFormat);
1023
1024 switch (phase)
1025 {
1026 case STUBLESS_MARSHAL:
1027 if (pParam->param_attributes.IsOut || pParam->param_attributes.IsReturn)
1028 {
1029 if (pParam->param_attributes.IsByValue)
1030 call_marshaller(pStubMsg, pArg, pTypeFormat);
1031 else
1032 call_marshaller(pStubMsg, *(unsigned char **)pArg, pTypeFormat);
1033 }
1034 break;
1035 case STUBLESS_FREE:
1036 if (pParam->param_attributes.MustFree)
1037 {
1038 if (pParam->param_attributes.IsByValue)
1039 call_freer(pStubMsg, pArg, pTypeFormat);
1040 else
1041 call_freer(pStubMsg, *(unsigned char **)pArg, pTypeFormat);
1042 }
1043
1044 if (pParam->param_attributes.IsOut &&
1045 !pParam->param_attributes.IsIn &&
1046 !pParam->param_attributes.IsByValue &&
1047 !pParam->param_attributes.ServerAllocSize)
1048 {
1049 pStubMsg->pfnFree(*(void **)pArg);
1050 }
1051
1052 if (pParam->param_attributes.ServerAllocSize)
1053 HeapFree(GetProcessHeap(), 0, *(void **)pArg);
1054 break;
1055 case STUBLESS_INITOUT:
1056 if (!pParam->param_attributes.IsIn &&
1057 pParam->param_attributes.IsOut &&
1058 !pParam->param_attributes.ServerAllocSize &&
1059 !pParam->param_attributes.IsByValue)
1060 {
1061 DWORD size = calc_arg_size(pStubMsg, pTypeFormat);
1062
1063 if(size)
1064 {
1065 *(void **)pArg = NdrAllocate(pStubMsg, size);
1066 memset(*(void **)pArg, 0, size);
1067 }
1068 }
1069 break;
1070 case STUBLESS_UNMARSHAL:
1071 if (pParam->param_attributes.ServerAllocSize)
1072 *(void **)pArg = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
1073 pParam->param_attributes.ServerAllocSize * 8);
1074
1075 if (pParam->param_attributes.IsIn)
1076 {
1077 if (pParam->param_attributes.IsByValue)
1078 call_unmarshaller(pStubMsg, &pArg, pTypeFormat, 0);
1079 else
1080 call_unmarshaller(pStubMsg, (unsigned char **)pArg, pTypeFormat, 0);
1081 }
1082 break;
1083 case STUBLESS_CALCSIZE:
1084 if (pParam->param_attributes.IsOut || pParam->param_attributes.IsReturn)
1085 {
1086 if (pParam->param_attributes.IsByValue)
1087 call_buffer_sizer(pStubMsg, pArg, pTypeFormat);
1088 else
1089 call_buffer_sizer(pStubMsg, *(unsigned char **)pArg, pTypeFormat);
1090 }
1091 break;
1092 default:
1093 RpcRaiseException(RPC_S_INTERNAL_ERROR);
1094 }
1095
1096 current_offset += sizeof(NDR_PARAM_OIF_OTHER);
1097 }
1098 TRACE("\tmemory addr (after): %p -> %p\n", pArg, *(unsigned char **)pArg);
1099 }
1100
1101 return retval_ptr;
1102 }
1103
1104 static LONG_PTR *stub_do_old_args(MIDL_STUB_MESSAGE *pStubMsg,
1105 PFORMAT_STRING pFormat, int phase,
1106 unsigned char *args,
1107 unsigned short stack_size, BOOL object)
1108 {
1109 /* counter */
1110 unsigned short i;
1111 /* current format string offset */
1112 int current_offset = 0;
1113 /* current stack offset */
1114 unsigned short current_stack_offset = 0;
1115 /* location to put retval into */
1116 LONG_PTR *retval_ptr = NULL;
1117
1118 for (i = 0; TRUE; i++)
1119 {
1120 const NDR_PARAM_OI_BASETYPE *pParam =
1121 (const NDR_PARAM_OI_BASETYPE *)&pFormat[current_offset];
1122 /* note: current_stack_offset starts after the This pointer
1123 * if present, so adjust this */
1124 unsigned short current_stack_offset_adjusted = current_stack_offset +
1125 (object ? sizeof(void *) : 0);
1126 unsigned char *pArg = args + current_stack_offset_adjusted;
1127
1128 /* no more parameters; exit loop */
1129 if (current_stack_offset_adjusted >= stack_size)
1130 break;
1131
1132 TRACE("param[%d]: old format\n", i);
1133 TRACE("\tparam_direction: 0x%x\n", pParam->param_direction);
1134 TRACE("\tstack_offset: 0x%x\n", current_stack_offset_adjusted);
1135
1136 if (pParam->param_direction == RPC_FC_IN_PARAM_BASETYPE ||
1137 pParam->param_direction == RPC_FC_RETURN_PARAM_BASETYPE)
1138 {
1139 const unsigned char *pTypeFormat =
1140 &pParam->type_format_char;
1141
1142 TRACE("\tbase type 0x%02x\n", *pTypeFormat);
1143
1144 if (pParam->param_direction == RPC_FC_RETURN_PARAM_BASETYPE)
1145 retval_ptr = (LONG_PTR *)pArg;
1146
1147 switch (phase)
1148 {
1149 case STUBLESS_MARSHAL:
1150 if (pParam->param_direction == RPC_FC_RETURN_PARAM_BASETYPE)
1151 call_marshaller(pStubMsg, pArg, pTypeFormat);
1152 break;
1153 case STUBLESS_FREE:
1154 if (pParam->param_direction == RPC_FC_IN_PARAM_BASETYPE)
1155 call_freer(pStubMsg, pArg, pTypeFormat);
1156 break;
1157 case STUBLESS_UNMARSHAL:
1158 if (pParam->param_direction == RPC_FC_IN_PARAM_BASETYPE)
1159 call_unmarshaller(pStubMsg, &pArg, pTypeFormat, 0);
1160 break;
1161 case STUBLESS_CALCSIZE:
1162 if (pParam->param_direction == RPC_FC_RETURN_PARAM_BASETYPE)
1163 call_buffer_sizer(pStubMsg, pArg, pTypeFormat);
1164 break;
1165 default:
1166 RpcRaiseException(RPC_S_INTERNAL_ERROR);
1167 }
1168
1169 current_stack_offset += type_stack_size(*pTypeFormat);
1170 current_offset += sizeof(NDR_PARAM_OI_BASETYPE);
1171 }
1172 else
1173 {
1174 const NDR_PARAM_OI_OTHER *pParamOther =
1175 (const NDR_PARAM_OI_OTHER *)&pFormat[current_offset];
1176
1177 const unsigned char * pTypeFormat =
1178 &pStubMsg->StubDesc->pFormatTypes[pParamOther->type_offset];
1179
1180 TRACE("\tcomplex type 0x%02x\n", *pTypeFormat);
1181
1182 if (pParam->param_direction == RPC_FC_RETURN_PARAM)
1183 retval_ptr = (LONG_PTR *)pArg;
1184
1185 switch (phase)
1186 {
1187 case STUBLESS_MARSHAL:
1188 if (pParam->param_direction == RPC_FC_OUT_PARAM ||
1189 pParam->param_direction == RPC_FC_IN_OUT_PARAM ||
1190 pParam->param_direction == RPC_FC_RETURN_PARAM)
1191 call_marshaller(pStubMsg, *(unsigned char **)pArg, pTypeFormat);
1192 break;
1193 case STUBLESS_FREE:
1194 if (pParam->param_direction == RPC_FC_IN_OUT_PARAM ||
1195 pParam->param_direction == RPC_FC_IN_PARAM)
1196 call_freer(pStubMsg, *(unsigned char **)pArg, pTypeFormat);
1197 else if (pParam->param_direction == RPC_FC_OUT_PARAM)
1198 pStubMsg->pfnFree(*(void **)pArg);
1199 break;
1200 case STUBLESS_INITOUT:
1201 if (pParam->param_direction == RPC_FC_OUT_PARAM)
1202 {
1203 DWORD size = calc_arg_size(pStubMsg, pTypeFormat);
1204
1205 if(size)
1206 {
1207 *(void **)pArg = NdrAllocate(pStubMsg, size);
1208 memset(*(void **)pArg, 0, size);
1209 }
1210 }
1211 break;
1212 case STUBLESS_UNMARSHAL:
1213 if (pParam->param_direction == RPC_FC_IN_OUT_PARAM ||
1214 pParam->param_direction == RPC_FC_IN_PARAM)
1215 call_unmarshaller(pStubMsg, (unsigned char **)pArg, pTypeFormat, 0);
1216 break;
1217 case STUBLESS_CALCSIZE:
1218 if (pParam->param_direction == RPC_FC_OUT_PARAM ||
1219 pParam->param_direction == RPC_FC_IN_OUT_PARAM ||
1220 pParam->param_direction == RPC_FC_RETURN_PARAM)
1221 call_buffer_sizer(pStubMsg, *(unsigned char **)pArg, pTypeFormat);
1222 break;
1223 default:
1224 RpcRaiseException(RPC_S_INTERNAL_ERROR);
1225 }
1226
1227 current_stack_offset += pParamOther->stack_size * sizeof(INT);
1228 current_offset += sizeof(NDR_PARAM_OI_OTHER);
1229 }
1230 }
1231
1232 return retval_ptr;
1233 }
1234
1235 /***********************************************************************
1236 * NdrStubCall2 [RPCRT4.@]
1237 *
1238 * Unmarshals [in] parameters, calls either a method in an object or a server
1239 * function, marshals any [out] parameters and frees any allocated data.
1240 *
1241 * NOTES
1242 * Used by stubless MIDL-generated code.
1243 */
1244 LONG WINAPI NdrStubCall2(
1245 struct IRpcStubBuffer * pThis,
1246 struct IRpcChannelBuffer * pChannel,
1247 PRPC_MESSAGE pRpcMsg,
1248 DWORD * pdwStubPhase)
1249 {
1250 const MIDL_SERVER_INFO *pServerInfo;
1251 const MIDL_STUB_DESC *pStubDesc;
1252 PFORMAT_STRING pFormat;
1253 MIDL_STUB_MESSAGE stubMsg;
1254 /* pointer to start of stack to pass into stub implementation */
1255 unsigned char * args;
1256 /* size of stack */
1257 unsigned short stack_size;
1258 /* number of parameters. optional for client to give it to us */
1259 unsigned char number_of_params = ~0;
1260 /* cache of Oif_flags from v2 procedure header */
1261 INTERPRETER_OPT_FLAGS Oif_flags = { 0 };
1262 /* cache of extension flags from NDR_PROC_HEADER_EXTS */
1263 INTERPRETER_OPT_FLAGS2 ext_flags = { 0 };
1264 /* the type of pass we are currently doing */
1265 int phase;
1266 /* header for procedure string */
1267 const NDR_PROC_HEADER *pProcHeader;
1268 /* offset in format string for start of params */
1269 int parameter_start_offset;
1270 /* current format string offset */
1271 int current_offset;
1272 /* -Oif or -Oicf generated format */
1273 BOOL bV2Format = FALSE;
1274 /* location to put retval into */
1275 LONG_PTR *retval_ptr = NULL;
1276
1277 TRACE("pThis %p, pChannel %p, pRpcMsg %p, pdwStubPhase %p\n", pThis, pChannel, pRpcMsg, pdwStubPhase);
1278
1279 if (pThis)
1280 pServerInfo = CStdStubBuffer_GetServerInfo(pThis);
1281 else
1282 pServerInfo = ((RPC_SERVER_INTERFACE *)pRpcMsg->RpcInterfaceInformation)->InterpreterInfo;
1283
1284 pStubDesc = pServerInfo->pStubDesc;
1285 pFormat = pServerInfo->ProcString + pServerInfo->FmtStringOffset[pRpcMsg->ProcNum];
1286 pProcHeader = (const NDR_PROC_HEADER *)&pFormat[0];
1287
1288 TRACE("NDR Version: 0x%x\n", pStubDesc->Version);
1289
1290 /* create the full pointer translation tables, if requested */
1291 if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_FULLPTR)
1292 stubMsg.FullPtrXlatTables = NdrFullPointerXlatInit(0,XLAT_SERVER);
1293
1294 if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCFLAGS)
1295 {
1296 const NDR_PROC_HEADER_RPC *pProcHeader = (const NDR_PROC_HEADER_RPC *)&pFormat[0];
1297 stack_size = pProcHeader->stack_size;
1298 current_offset = sizeof(NDR_PROC_HEADER_RPC);
1299
1300 }
1301 else
1302 {
1303 stack_size = pProcHeader->stack_size;
1304 current_offset = sizeof(NDR_PROC_HEADER);
1305 }
1306
1307 TRACE("Oi_flags = 0x%02x\n", pProcHeader->Oi_flags);
1308
1309 /* binding */
1310 switch (pProcHeader->handle_type)
1311 {
1312 /* explicit binding: parse additional section */
1313 case RPC_FC_BIND_EXPLICIT:
1314 switch (pFormat[current_offset]) /* handle_type */
1315 {
1316 case RPC_FC_BIND_PRIMITIVE: /* explicit primitive */
1317 current_offset += sizeof(NDR_EHD_PRIMITIVE);
1318 break;
1319 case RPC_FC_BIND_GENERIC: /* explicit generic */
1320 current_offset += sizeof(NDR_EHD_GENERIC);
1321 break;
1322 case RPC_FC_BIND_CONTEXT: /* explicit context */
1323 current_offset += sizeof(NDR_EHD_CONTEXT);
1324 break;
1325 default:
1326 ERR("bad explicit binding handle type (0x%02x)\n", pProcHeader->handle_type);
1327 RpcRaiseException(RPC_X_BAD_STUB_DATA);
1328 }
1329 break;
1330 case RPC_FC_BIND_GENERIC: /* implicit generic */
1331 case RPC_FC_BIND_PRIMITIVE: /* implicit primitive */
1332 case RPC_FC_CALLBACK_HANDLE: /* implicit callback */
1333 case RPC_FC_AUTO_HANDLE: /* implicit auto handle */
1334 break;
1335 default:
1336 ERR("bad implicit binding handle type (0x%02x)\n", pProcHeader->handle_type);
1337 RpcRaiseException(RPC_X_BAD_STUB_DATA);
1338 }
1339
1340 bV2Format = (pStubDesc->Version >= 0x20000);
1341
1342 if (bV2Format)
1343 {
1344 const NDR_PROC_PARTIAL_OIF_HEADER *pOIFHeader =
1345 (const NDR_PROC_PARTIAL_OIF_HEADER *)&pFormat[current_offset];
1346
1347 Oif_flags = pOIFHeader->Oi2Flags;
1348 number_of_params = pOIFHeader->number_of_params;
1349
1350 current_offset += sizeof(NDR_PROC_PARTIAL_OIF_HEADER);
1351 }
1352
1353 TRACE("Oif_flags = "); dump_INTERPRETER_OPT_FLAGS(Oif_flags);
1354
1355 if (Oif_flags.HasExtensions)
1356 {
1357 const NDR_PROC_HEADER_EXTS *pExtensions =
1358 (const NDR_PROC_HEADER_EXTS *)&pFormat[current_offset];
1359 ext_flags = pExtensions->Flags2;
1360 current_offset += pExtensions->Size;
1361 }
1362
1363 if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT)
1364 NdrStubInitialize(pRpcMsg, &stubMsg, pStubDesc, pChannel);
1365 else
1366 NdrServerInitializeNew(pRpcMsg, &stubMsg, pStubDesc);
1367
1368 /* store the RPC flags away */
1369 if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCFLAGS)
1370 pRpcMsg->RpcFlags = ((const NDR_PROC_HEADER_RPC *)pProcHeader)->rpc_flags;
1371
1372 /* use alternate memory allocation routines */
1373 if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_RPCSSALLOC)
1374 #if 0
1375 NdrRpcSsEnableAllocate(&stubMsg);
1376 #else
1377 FIXME("Set RPCSS memory allocation routines\n");
1378 #endif
1379
1380 if (Oif_flags.HasPipes)
1381 {
1382 FIXME("pipes not supported yet\n");
1383 RpcRaiseException(RPC_X_WRONG_STUB_VERSION); /* FIXME: remove when implemented */
1384 /* init pipes package */
1385 /* NdrPipesInitialize(...) */
1386 }
1387 if (ext_flags.HasNewCorrDesc)
1388 {
1389 /* initialize extra correlation package */
1390 FIXME("new correlation description not implemented\n");
1391 stubMsg.fHasNewCorrDesc = TRUE;
1392 }
1393
1394 /* convert strings, floating point values and endianess into our
1395 * preferred format */
1396 if ((pRpcMsg->DataRepresentation & 0x0000FFFFUL) != NDR_LOCAL_DATA_REPRESENTATION)
1397 NdrConvert(&stubMsg, pFormat);
1398
1399 parameter_start_offset = current_offset;
1400
1401 TRACE("allocating memory for stack of size %x\n", stack_size);
1402
1403 args = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, stack_size);
1404 stubMsg.StackTop = args; /* used by conformance of top-level objects */
1405
1406 /* add the implicit This pointer as the first arg to the function if we
1407 * are calling an object method */
1408 if (pThis)
1409 *(void **)args = ((CStdStubBuffer *)pThis)->pvServerObject;
1410
1411 /* order of phases:
1412 * 1. STUBLESS_UNMARHSAL - unmarshal [in] params from buffer
1413 * 2. STUBLESS_CALLSERVER - send/receive buffer
1414 * 3. STUBLESS_CALCSIZE - get [out] buffer size
1415 * 4. STUBLESS_GETBUFFER - allocate [out] buffer
1416 * 5. STUBLESS_MARHSAL - marshal [out] params to buffer
1417 */
1418 for (phase = STUBLESS_UNMARSHAL; phase <= STUBLESS_FREE; phase++)
1419 {
1420 TRACE("phase = %d\n", phase);
1421 switch (phase)
1422 {
1423 case STUBLESS_CALLSERVER:
1424 /* call the server function */
1425 if (pServerInfo->ThunkTable && pServerInfo->ThunkTable[pRpcMsg->ProcNum])
1426 pServerInfo->ThunkTable[pRpcMsg->ProcNum](&stubMsg);
1427 else
1428 {
1429 SERVER_ROUTINE func;
1430 LONG_PTR retval;
1431
1432 if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT)
1433 {
1434 SERVER_ROUTINE *vtbl = *(SERVER_ROUTINE **)((CStdStubBuffer *)pThis)->pvServerObject;
1435 func = vtbl[pRpcMsg->ProcNum];
1436 }
1437 else
1438 func = pServerInfo->DispatchTable[pRpcMsg->ProcNum];
1439
1440 /* FIXME: what happens with return values that don't fit into a single register on x86? */
1441 retval = call_server_func(func, args, stack_size);
1442
1443 if (retval_ptr)
1444 {
1445 TRACE("stub implementation returned 0x%lx\n", retval);
1446 *retval_ptr = retval;
1447 }
1448 else
1449 TRACE("void stub implementation\n");
1450 }
1451
1452 stubMsg.Buffer = NULL;
1453 stubMsg.BufferLength = 0;
1454
1455 break;
1456 case STUBLESS_GETBUFFER:
1457 if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT)
1458 NdrStubGetBuffer(pThis, pChannel, &stubMsg);
1459 else
1460 {
1461 RPC_STATUS Status;
1462
1463 pRpcMsg->BufferLength = stubMsg.BufferLength;
1464 /* allocate buffer for [out] and [ret] params */
1465 Status = I_RpcGetBuffer(pRpcMsg);
1466 if (Status)
1467 RpcRaiseException(Status);
1468 stubMsg.Buffer = pRpcMsg->Buffer;
1469 }
1470 break;
1471 case STUBLESS_UNMARSHAL:
1472 case STUBLESS_INITOUT:
1473 case STUBLESS_CALCSIZE:
1474 case STUBLESS_MARSHAL:
1475 case STUBLESS_FREE:
1476 if (bV2Format)
1477 retval_ptr = stub_do_args(&stubMsg, &pFormat[parameter_start_offset],
1478 phase, args, number_of_params);
1479 else
1480 retval_ptr = stub_do_old_args(&stubMsg, &pFormat[parameter_start_offset],
1481 phase, args, stack_size,
1482 (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_OBJECT));
1483
1484 break;
1485 default:
1486 ERR("shouldn't reach here. phase %d\n", phase);
1487 break;
1488 }
1489 }
1490
1491 pRpcMsg->BufferLength = (unsigned int)(stubMsg.Buffer - (unsigned char *)pRpcMsg->Buffer);
1492
1493 if (ext_flags.HasNewCorrDesc)
1494 {
1495 /* free extra correlation package */
1496 /* NdrCorrelationFree(&stubMsg); */
1497 }
1498
1499 if (Oif_flags.HasPipes)
1500 {
1501 /* NdrPipesDone(...) */
1502 }
1503
1504 /* free the full pointer translation tables */
1505 if (pProcHeader->Oi_flags & RPC_FC_PROC_OIF_FULLPTR)
1506 NdrFullPointerXlatFree(stubMsg.FullPtrXlatTables);
1507
1508 /* free server function stack */
1509 HeapFree(GetProcessHeap(), 0, args);
1510
1511 return S_OK;
1512 }
1513
1514 /***********************************************************************
1515 * NdrServerCall2 [RPCRT4.@]
1516 */
1517 void WINAPI NdrServerCall2(PRPC_MESSAGE pRpcMsg)
1518 {
1519 DWORD dwPhase;
1520 NdrStubCall2(NULL, NULL, pRpcMsg, &dwPhase);
1521 }
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