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push 07a2b33f792746135ccf34a3b3e1dfb2a3c1e823
[wine/hacks.git] / dlls / ntdll / loader.c
blobfc7620d9c40f41778102da9e8bb6ba35a970b2b2
1 /*
2 * Loader functions
3 *
4 * Copyright 1995, 2003 Alexandre Julliard
5 * Copyright 2002 Dmitry Timoshkov 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
22 #include "config.h"
23 #include "wine/port.h"
24
25 #include <assert.h>
26 #include <stdarg.h>
27 #ifdef HAVE_SYS_MMAN_H
28 # include <sys/mman.h>
29 #endif
30
31 #define NONAMELESSUNION
32 #define NONAMELESSSTRUCT
33
34 #include "ntstatus.h"
35 #define WIN32_NO_STATUS
36 #include "windef.h"
37 #include "winnt.h"
38 #include "winternl.h"
39
40 #include "wine/exception.h"
41 #include "wine/library.h"
42 #include "wine/pthread.h"
43 #include "wine/unicode.h"
44 #include "wine/debug.h"
45 #include "wine/server.h"
46 #include "ntdll_misc.h"
47 #include "ddk/wdm.h"
48
49 WINE_DEFAULT_DEBUG_CHANNEL(module);
50 WINE_DECLARE_DEBUG_CHANNEL(relay);
51 WINE_DECLARE_DEBUG_CHANNEL(snoop);
52 WINE_DECLARE_DEBUG_CHANNEL(loaddll);
53 WINE_DECLARE_DEBUG_CHANNEL(imports);
54
55 /* we don't want to include winuser.h */
56 #define RT_MANIFEST ((ULONG_PTR)24)
57 #define ISOLATIONAWARE_MANIFEST_RESOURCE_ID ((ULONG_PTR)2)
58
59 extern struct wine_pthread_functions pthread_functions;
60
61 typedef DWORD (CALLBACK *DLLENTRYPROC)(HMODULE,DWORD,LPVOID);
62
63 static int process_detaching = 0; /* set on process detach to avoid deadlocks with thread detach */
64 static int free_lib_count; /* recursion depth of LdrUnloadDll calls */
65
66 static const char * const reason_names[] =
67 {
68 "PROCESS_DETACH",
69 "PROCESS_ATTACH",
70 "THREAD_ATTACH",
71 "THREAD_DETACH",
72 NULL, NULL, NULL, NULL,
73 "WINE_PREATTACH"
74 };
75
76 static const WCHAR dllW[] = {'.','d','l','l',0};
77
78 /* internal representation of 32bit modules. per process. */
79 typedef struct _wine_modref
80 {
81 LDR_MODULE ldr;
82 int nDeps;
83 struct _wine_modref **deps;
84 } WINE_MODREF;
85
86 /* info about the current builtin dll load */
87 /* used to keep track of things across the register_dll constructor call */
88 struct builtin_load_info
89 {
90 const WCHAR *load_path;
91 const WCHAR *filename;
92 NTSTATUS status;
93 WINE_MODREF *wm;
94 };
95
96 static struct builtin_load_info default_load_info;
97 static struct builtin_load_info *builtin_load_info = &default_load_info;
98
99 static HANDLE main_exe_file;
100 static UINT tls_module_count; /* number of modules with TLS directory */
101 static UINT tls_total_size; /* total size of TLS storage */
102 static const IMAGE_TLS_DIRECTORY **tls_dirs; /* array of TLS directories */
103
104 UNICODE_STRING windows_dir = { 0, 0, NULL }; /* windows directory */
105 UNICODE_STRING system_dir = { 0, 0, NULL }; /* system directory */
106
107 static RTL_CRITICAL_SECTION loader_section;
108 static RTL_CRITICAL_SECTION_DEBUG critsect_debug =
109 {
110 0, 0, &loader_section,
111 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
112 0, 0, { (DWORD_PTR)(__FILE__ ": loader_section") }
113 };
114 static RTL_CRITICAL_SECTION loader_section = { &critsect_debug, -1, 0, 0, 0, 0 };
115
116 static WINE_MODREF *cached_modref;
117 static WINE_MODREF *current_modref;
118 static WINE_MODREF *last_failed_modref;
119
120 static NTSTATUS load_dll( LPCWSTR load_path, LPCWSTR libname, DWORD flags, WINE_MODREF** pwm );
121 static NTSTATUS process_attach( WINE_MODREF *wm, LPVOID lpReserved );
122 static FARPROC find_named_export( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
123 DWORD exp_size, const char *name, int hint, LPCWSTR load_path );
124
125 /* convert PE image VirtualAddress to Real Address */
126 static inline void *get_rva( HMODULE module, DWORD va )
127 {
128 return (void *)((char *)module + va);
129 }
130
131 /* check whether the file name contains a path */
132 static inline int contains_path( LPCWSTR name )
133 {
134 return ((*name && (name[1] == ':')) || strchrW(name, '/') || strchrW(name, '\\'));
135 }
136
137 /* convert from straight ASCII to Unicode without depending on the current codepage */
138 static inline void ascii_to_unicode( WCHAR *dst, const char *src, size_t len )
139 {
140 while (len--) *dst++ = (unsigned char)*src++;
141 }
142
143
144 /*************************************************************************
145 * call_dll_entry_point
146 *
147 * Some brain-damaged dlls (ir32_32.dll for instance) modify ebx in
148 * their entry point, so we need a small asm wrapper.
149 */
150 #ifdef __i386__
151 extern BOOL call_dll_entry_point( DLLENTRYPROC proc, void *module, UINT reason, void *reserved );
152 __ASM_GLOBAL_FUNC(call_dll_entry_point,
153 "pushl %ebp\n\t"
154 "movl %esp,%ebp\n\t"
155 "pushl %ebx\n\t"
156 "subl $8,%esp\n\t"
157 "pushl 20(%ebp)\n\t"
158 "pushl 16(%ebp)\n\t"
159 "pushl 12(%ebp)\n\t"
160 "movl 8(%ebp),%eax\n\t"
161 "call *%eax\n\t"
162 "leal -4(%ebp),%esp\n\t"
163 "popl %ebx\n\t"
164 "popl %ebp\n\t"
165 "ret" )
166 #else /* __i386__ */
167 static inline BOOL call_dll_entry_point( DLLENTRYPROC proc, void *module,
168 UINT reason, void *reserved )
169 {
170 return proc( module, reason, reserved );
171 }
172 #endif /* __i386__ */
173
174
175 #ifdef __i386__
176 /*************************************************************************
177 * stub_entry_point
178 *
179 * Entry point for stub functions.
180 */
181 static void stub_entry_point( const char *dll, const char *name, ... )
182 {
183 EXCEPTION_RECORD rec;
184
185 rec.ExceptionCode = EXCEPTION_WINE_STUB;
186 rec.ExceptionFlags = EH_NONCONTINUABLE;
187 rec.ExceptionRecord = NULL;
188 #ifdef __GNUC__
189 rec.ExceptionAddress = __builtin_return_address(0);
190 #else
191 rec.ExceptionAddress = *((void **)&dll - 1);
192 #endif
193 rec.NumberParameters = 2;
194 rec.ExceptionInformation[0] = (ULONG_PTR)dll;
195 rec.ExceptionInformation[1] = (ULONG_PTR)name;
196 for (;;) RtlRaiseException( &rec );
197 }
198
199
200 #include "pshpack1.h"
201 struct stub
202 {
203 BYTE popl_eax; /* popl %eax */
204 BYTE pushl1; /* pushl $name */
205 const char *name;
206 BYTE pushl2; /* pushl $dll */
207 const char *dll;
208 BYTE pushl_eax; /* pushl %eax */
209 BYTE jmp; /* jmp stub_entry_point */
210 DWORD entry;
211 };
212 #include "poppack.h"
213
214 /*************************************************************************
215 * allocate_stub
216 *
217 * Allocate a stub entry point.
218 */
219 static ULONG_PTR allocate_stub( const char *dll, const char *name )
220 {
221 #define MAX_SIZE 65536
222 static struct stub *stubs;
223 static unsigned int nb_stubs;
224 struct stub *stub;
225
226 if (nb_stubs >= MAX_SIZE / sizeof(*stub)) return 0xdeadbeef;
227
228 if (!stubs)
229 {
230 SIZE_T size = MAX_SIZE;
231 if (NtAllocateVirtualMemory( NtCurrentProcess(), (void **)&stubs, 0, &size,
232 MEM_COMMIT, PAGE_EXECUTE_WRITECOPY ) != STATUS_SUCCESS)
233 return 0xdeadbeef;
234 }
235 stub = &stubs[nb_stubs++];
236 stub->popl_eax = 0x58; /* popl %eax */
237 stub->pushl1 = 0x68; /* pushl $name */
238 stub->name = name;
239 stub->pushl2 = 0x68; /* pushl $dll */
240 stub->dll = dll;
241 stub->pushl_eax = 0x50; /* pushl %eax */
242 stub->jmp = 0xe9; /* jmp stub_entry_point */
243 stub->entry = (BYTE *)stub_entry_point - (BYTE *)(&stub->entry + 1);
244 return (ULONG_PTR)stub;
245 }
246
247 #else /* __i386__ */
248 static inline ULONG_PTR allocate_stub( const char *dll, const char *name ) { return 0xdeadbeef; }
249 #endif /* __i386__ */
250
251
252 /*************************************************************************
253 * get_modref
254 *
255 * Looks for the referenced HMODULE in the current process
256 * The loader_section must be locked while calling this function.
257 */
258 static WINE_MODREF *get_modref( HMODULE hmod )
259 {
260 PLIST_ENTRY mark, entry;
261 PLDR_MODULE mod;
262
263 if (cached_modref && cached_modref->ldr.BaseAddress == hmod) return cached_modref;
264
265 mark = &NtCurrentTeb()->Peb->LdrData->InMemoryOrderModuleList;
266 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
267 {
268 mod = CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList);
269 if (mod->BaseAddress == hmod)
270 return cached_modref = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
271 if (mod->BaseAddress > (void*)hmod) break;
272 }
273 return NULL;
274 }
275
276
277 /**********************************************************************
278 * find_basename_module
279 *
280 * Find a module from its base name.
281 * The loader_section must be locked while calling this function
282 */
283 static WINE_MODREF *find_basename_module( LPCWSTR name )
284 {
285 PLIST_ENTRY mark, entry;
286
287 if (cached_modref && !strcmpiW( name, cached_modref->ldr.BaseDllName.Buffer ))
288 return cached_modref;
289
290 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
291 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
292 {
293 LDR_MODULE *mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
294 if (!strcmpiW( name, mod->BaseDllName.Buffer ))
295 {
296 cached_modref = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
297 return cached_modref;
298 }
299 }
300 return NULL;
301 }
302
303
304 /**********************************************************************
305 * find_fullname_module
306 *
307 * Find a module from its full path name.
308 * The loader_section must be locked while calling this function
309 */
310 static WINE_MODREF *find_fullname_module( LPCWSTR name )
311 {
312 PLIST_ENTRY mark, entry;
313
314 if (cached_modref && !strcmpiW( name, cached_modref->ldr.FullDllName.Buffer ))
315 return cached_modref;
316
317 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
318 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
319 {
320 LDR_MODULE *mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
321 if (!strcmpiW( name, mod->FullDllName.Buffer ))
322 {
323 cached_modref = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
324 return cached_modref;
325 }
326 }
327 return NULL;
328 }
329
330
331 /*************************************************************************
332 * find_forwarded_export
333 *
334 * Find the final function pointer for a forwarded function.
335 * The loader_section must be locked while calling this function.
336 */
337 static FARPROC find_forwarded_export( HMODULE module, const char *forward, LPCWSTR load_path )
338 {
339 const IMAGE_EXPORT_DIRECTORY *exports;
340 DWORD exp_size;
341 WINE_MODREF *wm;
342 WCHAR mod_name[32];
343 const char *end = strrchr(forward, '.');
344 FARPROC proc = NULL;
345
346 if (!end) return NULL;
347 if ((end - forward) * sizeof(WCHAR) >= sizeof(mod_name)) return NULL;
348 ascii_to_unicode( mod_name, forward, end - forward );
349 mod_name[end - forward] = 0;
350 if (!strchrW( mod_name, '.' ))
351 {
352 if ((end - forward) * sizeof(WCHAR) >= sizeof(mod_name) - sizeof(dllW)) return NULL;
353 memcpy( mod_name + (end - forward), dllW, sizeof(dllW) );
354 }
355
356 if (!(wm = find_basename_module( mod_name )))
357 {
358 TRACE( "delay loading %s for '%s'\n", debugstr_w(mod_name), forward );
359 if (load_dll( load_path, mod_name, 0, &wm ) == STATUS_SUCCESS &&
360 !(wm->ldr.Flags & LDR_DONT_RESOLVE_REFS))
361 {
362 if (process_attach( wm, NULL ) != STATUS_SUCCESS)
363 {
364 LdrUnloadDll( wm->ldr.BaseAddress );
365 wm = NULL;
366 }
367 }
368
369 if (!wm)
370 {
371 ERR( "module not found for forward '%s' used by %s\n",
372 forward, debugstr_w(get_modref(module)->ldr.FullDllName.Buffer) );
373 return NULL;
374 }
375 }
376 if ((exports = RtlImageDirectoryEntryToData( wm->ldr.BaseAddress, TRUE,
377 IMAGE_DIRECTORY_ENTRY_EXPORT, &exp_size )))
378 proc = find_named_export( wm->ldr.BaseAddress, exports, exp_size, end + 1, -1, load_path );
379
380 if (!proc)
381 {
382 ERR("function not found for forward '%s' used by %s."
383 " If you are using builtin %s, try using the native one instead.\n",
384 forward, debugstr_w(get_modref(module)->ldr.FullDllName.Buffer),
385 debugstr_w(get_modref(module)->ldr.BaseDllName.Buffer) );
386 }
387 return proc;
388 }
389
390
391 /*************************************************************************
392 * find_ordinal_export
393 *
394 * Find an exported function by ordinal.
395 * The exports base must have been subtracted from the ordinal already.
396 * The loader_section must be locked while calling this function.
397 */
398 static FARPROC find_ordinal_export( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
399 DWORD exp_size, DWORD ordinal, LPCWSTR load_path )
400 {
401 FARPROC proc;
402 const DWORD *functions = get_rva( module, exports->AddressOfFunctions );
403
404 if (ordinal >= exports->NumberOfFunctions)
405 {
406 TRACE(" ordinal %d out of range!\n", ordinal + exports->Base );
407 return NULL;
408 }
409 if (!functions[ordinal]) return NULL;
410
411 proc = get_rva( module, functions[ordinal] );
412
413 /* if the address falls into the export dir, it's a forward */
414 if (((const char *)proc >= (const char *)exports) &&
415 ((const char *)proc < (const char *)exports + exp_size))
416 return find_forwarded_export( module, (const char *)proc, load_path );
417
418 if (TRACE_ON(snoop))
419 {
420 const WCHAR *user = current_modref ? current_modref->ldr.BaseDllName.Buffer : NULL;
421 proc = SNOOP_GetProcAddress( module, exports, exp_size, proc, ordinal, user );
422 }
423 if (TRACE_ON(relay))
424 {
425 const WCHAR *user = current_modref ? current_modref->ldr.BaseDllName.Buffer : NULL;
426 proc = RELAY_GetProcAddress( module, exports, exp_size, proc, ordinal, user );
427 }
428 return proc;
429 }
430
431
432 /*************************************************************************
433 * find_named_export
434 *
435 * Find an exported function by name.
436 * The loader_section must be locked while calling this function.
437 */
438 static FARPROC find_named_export( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
439 DWORD exp_size, const char *name, int hint, LPCWSTR load_path )
440 {
441 const WORD *ordinals = get_rva( module, exports->AddressOfNameOrdinals );
442 const DWORD *names = get_rva( module, exports->AddressOfNames );
443 int min = 0, max = exports->NumberOfNames - 1;
444
445 /* first check the hint */
446 if (hint >= 0 && hint <= max)
447 {
448 char *ename = get_rva( module, names[hint] );
449 if (!strcmp( ename, name ))
450 return find_ordinal_export( module, exports, exp_size, ordinals[hint], load_path );
451 }
452
453 /* then do a binary search */
454 while (min <= max)
455 {
456 int res, pos = (min + max) / 2;
457 char *ename = get_rva( module, names[pos] );
458 if (!(res = strcmp( ename, name )))
459 return find_ordinal_export( module, exports, exp_size, ordinals[pos], load_path );
460 if (res > 0) max = pos - 1;
461 else min = pos + 1;
462 }
463 return NULL;
464
465 }
466
467
468 /*************************************************************************
469 * import_dll
470 *
471 * Import the dll specified by the given import descriptor.
472 * The loader_section must be locked while calling this function.
473 */
474 static WINE_MODREF *import_dll( HMODULE module, const IMAGE_IMPORT_DESCRIPTOR *descr, LPCWSTR load_path )
475 {
476 NTSTATUS status;
477 WINE_MODREF *wmImp;
478 HMODULE imp_mod;
479 const IMAGE_EXPORT_DIRECTORY *exports;
480 DWORD exp_size;
481 const IMAGE_THUNK_DATA *import_list;
482 IMAGE_THUNK_DATA *thunk_list;
483 WCHAR buffer[32];
484 const char *name = get_rva( module, descr->Name );
485 DWORD len = strlen(name);
486 PVOID protect_base;
487 SIZE_T protect_size = 0;
488 DWORD protect_old;
489
490 thunk_list = get_rva( module, (DWORD)descr->FirstThunk );
491 if (descr->u.OriginalFirstThunk)
492 import_list = get_rva( module, (DWORD)descr->u.OriginalFirstThunk );
493 else
494 import_list = thunk_list;
495
496 while (len && name[len-1] == ' ') len--; /* remove trailing spaces */
497
498 if (len * sizeof(WCHAR) < sizeof(buffer))
499 {
500 ascii_to_unicode( buffer, name, len );
501 buffer[len] = 0;
502 status = load_dll( load_path, buffer, 0, &wmImp );
503 }
504 else /* need to allocate a larger buffer */
505 {
506 WCHAR *ptr = RtlAllocateHeap( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) );
507 if (!ptr) return NULL;
508 ascii_to_unicode( ptr, name, len );
509 ptr[len] = 0;
510 status = load_dll( load_path, ptr, 0, &wmImp );
511 RtlFreeHeap( GetProcessHeap(), 0, ptr );
512 }
513
514 if (status)
515 {
516 if (status == STATUS_DLL_NOT_FOUND)
517 ERR("Library %s (which is needed by %s) not found\n",
518 name, debugstr_w(current_modref->ldr.FullDllName.Buffer));
519 else
520 ERR("Loading library %s (which is needed by %s) failed (error %x).\n",
521 name, debugstr_w(current_modref->ldr.FullDllName.Buffer), status);
522 return NULL;
523 }
524
525 /* unprotect the import address table since it can be located in
526 * readonly section */
527 while (import_list[protect_size].u1.Ordinal) protect_size++;
528 protect_base = thunk_list;
529 protect_size *= sizeof(*thunk_list);
530 NtProtectVirtualMemory( NtCurrentProcess(), &protect_base,
531 &protect_size, PAGE_WRITECOPY, &protect_old );
532
533 imp_mod = wmImp->ldr.BaseAddress;
534 exports = RtlImageDirectoryEntryToData( imp_mod, TRUE, IMAGE_DIRECTORY_ENTRY_EXPORT, &exp_size );
535
536 if (!exports)
537 {
538 /* set all imported function to deadbeef */
539 while (import_list->u1.Ordinal)
540 {
541 if (IMAGE_SNAP_BY_ORDINAL(import_list->u1.Ordinal))
542 {
543 int ordinal = IMAGE_ORDINAL(import_list->u1.Ordinal);
544 WARN("No implementation for %s.%d", name, ordinal );
545 thunk_list->u1.Function = allocate_stub( name, IntToPtr(ordinal) );
546 }
547 else
548 {
549 IMAGE_IMPORT_BY_NAME *pe_name = get_rva( module, (DWORD)import_list->u1.AddressOfData );
550 WARN("No implementation for %s.%s", name, pe_name->Name );
551 thunk_list->u1.Function = allocate_stub( name, (const char*)pe_name->Name );
552 }
553 WARN(" imported from %s, allocating stub %p\n",
554 debugstr_w(current_modref->ldr.FullDllName.Buffer),
555 (void *)thunk_list->u1.Function );
556 import_list++;
557 thunk_list++;
558 }
559 goto done;
560 }
561
562 while (import_list->u1.Ordinal)
563 {
564 if (IMAGE_SNAP_BY_ORDINAL(import_list->u1.Ordinal))
565 {
566 int ordinal = IMAGE_ORDINAL(import_list->u1.Ordinal);
567
568 thunk_list->u1.Function = (ULONG_PTR)find_ordinal_export( imp_mod, exports, exp_size,
569 ordinal - exports->Base, load_path );
570 if (!thunk_list->u1.Function)
571 {
572 thunk_list->u1.Function = allocate_stub( name, IntToPtr(ordinal) );
573 WARN("No implementation for %s.%d imported from %s, setting to %p\n",
574 name, ordinal, debugstr_w(current_modref->ldr.FullDllName.Buffer),
575 (void *)thunk_list->u1.Function );
576 }
577 TRACE_(imports)("--- Ordinal %s.%d = %p\n", name, ordinal, (void *)thunk_list->u1.Function );
578 }
579 else /* import by name */
580 {
581 IMAGE_IMPORT_BY_NAME *pe_name;
582 pe_name = get_rva( module, (DWORD)import_list->u1.AddressOfData );
583 thunk_list->u1.Function = (ULONG_PTR)find_named_export( imp_mod, exports, exp_size,
584 (const char*)pe_name->Name,
585 pe_name->Hint, load_path );
586 if (!thunk_list->u1.Function)
587 {
588 thunk_list->u1.Function = allocate_stub( name, (const char*)pe_name->Name );
589 WARN("No implementation for %s.%s imported from %s, setting to %p\n",
590 name, pe_name->Name, debugstr_w(current_modref->ldr.FullDllName.Buffer),
591 (void *)thunk_list->u1.Function );
592 }
593 TRACE_(imports)("--- %s %s.%d = %p\n",
594 pe_name->Name, name, pe_name->Hint, (void *)thunk_list->u1.Function);
595 }
596 import_list++;
597 thunk_list++;
598 }
599
600 done:
601 /* restore old protection of the import address table */
602 NtProtectVirtualMemory( NtCurrentProcess(), &protect_base, &protect_size, protect_old, NULL );
603 return wmImp;
604 }
605
606
607 /***********************************************************************
608 * create_module_activation_context
609 */
610 static NTSTATUS create_module_activation_context( LDR_MODULE *module )
611 {
612 NTSTATUS status;
613 LDR_RESOURCE_INFO info;
614 const IMAGE_RESOURCE_DATA_ENTRY *entry;
615
616 info.Type = RT_MANIFEST;
617 info.Name = ISOLATIONAWARE_MANIFEST_RESOURCE_ID;
618 info.Language = 0;
619 if (!(status = LdrFindResource_U( module->BaseAddress, &info, 3, &entry )))
620 {
621 ACTCTXW ctx;
622 ctx.cbSize = sizeof(ctx);
623 ctx.lpSource = NULL;
624 ctx.dwFlags = ACTCTX_FLAG_RESOURCE_NAME_VALID | ACTCTX_FLAG_HMODULE_VALID;
625 ctx.hModule = module->BaseAddress;
626 ctx.lpResourceName = (LPCWSTR)ISOLATIONAWARE_MANIFEST_RESOURCE_ID;
627 status = RtlCreateActivationContext( &module->ActivationContext, &ctx );
628 }
629 return status;
630 }
631
632
633 /****************************************************************
634 * fixup_imports
635 *
636 * Fixup all imports of a given module.
637 * The loader_section must be locked while calling this function.
638 */
639 static NTSTATUS fixup_imports( WINE_MODREF *wm, LPCWSTR load_path )
640 {
641 int i, nb_imports;
642 const IMAGE_IMPORT_DESCRIPTOR *imports;
643 WINE_MODREF *prev;
644 DWORD size;
645 NTSTATUS status;
646 ULONG_PTR cookie;
647
648 if (!(wm->ldr.Flags & LDR_DONT_RESOLVE_REFS)) return STATUS_SUCCESS; /* already done */
649 wm->ldr.Flags &= ~LDR_DONT_RESOLVE_REFS;
650
651 if (!(imports = RtlImageDirectoryEntryToData( wm->ldr.BaseAddress, TRUE,
652 IMAGE_DIRECTORY_ENTRY_IMPORT, &size )))
653 return STATUS_SUCCESS;
654
655 nb_imports = 0;
656 while (imports[nb_imports].Name && imports[nb_imports].FirstThunk) nb_imports++;
657
658 if (!nb_imports) return STATUS_SUCCESS; /* no imports */
659
660 if (!create_module_activation_context( &wm->ldr ))
661 RtlActivateActivationContext( 0, wm->ldr.ActivationContext, &cookie );
662
663 /* Allocate module dependency list */
664 wm->nDeps = nb_imports;
665 wm->deps = RtlAllocateHeap( GetProcessHeap(), 0, nb_imports*sizeof(WINE_MODREF *) );
666
667 /* load the imported modules. They are automatically
668 * added to the modref list of the process.
669 */
670 prev = current_modref;
671 current_modref = wm;
672 status = STATUS_SUCCESS;
673 for (i = 0; i < nb_imports; i++)
674 {
675 if (!(wm->deps[i] = import_dll( wm->ldr.BaseAddress, &imports[i], load_path )))
676 status = STATUS_DLL_NOT_FOUND;
677 }
678 current_modref = prev;
679 if (wm->ldr.ActivationContext) RtlDeactivateActivationContext( 0, cookie );
680 return status;
681 }
682
683
684 /*************************************************************************
685 * alloc_module
686 *
687 * Allocate a WINE_MODREF structure and add it to the process list
688 * The loader_section must be locked while calling this function.
689 */
690 static WINE_MODREF *alloc_module( HMODULE hModule, LPCWSTR filename )
691 {
692 WINE_MODREF *wm;
693 const WCHAR *p;
694 const IMAGE_NT_HEADERS *nt = RtlImageNtHeader(hModule);
695 PLIST_ENTRY entry, mark;
696
697 if (!(wm = RtlAllocateHeap( GetProcessHeap(), 0, sizeof(*wm) ))) return NULL;
698
699 wm->nDeps = 0;
700 wm->deps = NULL;
701
702 wm->ldr.BaseAddress = hModule;
703 wm->ldr.EntryPoint = NULL;
704 wm->ldr.SizeOfImage = nt->OptionalHeader.SizeOfImage;
705 wm->ldr.Flags = LDR_DONT_RESOLVE_REFS;
706 wm->ldr.LoadCount = 1;
707 wm->ldr.TlsIndex = -1;
708 wm->ldr.SectionHandle = NULL;
709 wm->ldr.CheckSum = 0;
710 wm->ldr.TimeDateStamp = 0;
711 wm->ldr.ActivationContext = 0;
712
713 RtlCreateUnicodeString( &wm->ldr.FullDllName, filename );
714 if ((p = strrchrW( wm->ldr.FullDllName.Buffer, '\\' ))) p++;
715 else p = wm->ldr.FullDllName.Buffer;
716 RtlInitUnicodeString( &wm->ldr.BaseDllName, p );
717
718 if (nt->OptionalHeader.Subsystem != IMAGE_SUBSYSTEM_NATIVE &&
719 (nt->FileHeader.Characteristics & IMAGE_FILE_DLL))
720 {
721 wm->ldr.Flags |= LDR_IMAGE_IS_DLL;
722 if (nt->OptionalHeader.AddressOfEntryPoint)
723 wm->ldr.EntryPoint = (char *)hModule + nt->OptionalHeader.AddressOfEntryPoint;
724 }
725
726 InsertTailList(&NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList,
727 &wm->ldr.InLoadOrderModuleList);
728
729 /* insert module in MemoryList, sorted in increasing base addresses */
730 mark = &NtCurrentTeb()->Peb->LdrData->InMemoryOrderModuleList;
731 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
732 {
733 if (CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList)->BaseAddress > wm->ldr.BaseAddress)
734 break;
735 }
736 entry->Blink->Flink = &wm->ldr.InMemoryOrderModuleList;
737 wm->ldr.InMemoryOrderModuleList.Blink = entry->Blink;
738 wm->ldr.InMemoryOrderModuleList.Flink = entry;
739 entry->Blink = &wm->ldr.InMemoryOrderModuleList;
740
741 /* wait until init is called for inserting into this list */
742 wm->ldr.InInitializationOrderModuleList.Flink = NULL;
743 wm->ldr.InInitializationOrderModuleList.Blink = NULL;
744
745 if (!(nt->OptionalHeader.DllCharacteristics & IMAGE_DLLCHARACTERISTICS_NX_COMPAT))
746 {
747 WARN( "disabling no-exec because of %s\n", debugstr_w(wm->ldr.BaseDllName.Buffer) );
748 VIRTUAL_SetForceExec( TRUE );
749 }
750 return wm;
751 }
752
753
754 /*************************************************************************
755 * alloc_process_tls
756 *
757 * Allocate the process-wide structure for module TLS storage.
758 */
759 static NTSTATUS alloc_process_tls(void)
760 {
761 PLIST_ENTRY mark, entry;
762 PLDR_MODULE mod;
763 const IMAGE_TLS_DIRECTORY *dir;
764 ULONG size, i;
765
766 mark = &NtCurrentTeb()->Peb->LdrData->InMemoryOrderModuleList;
767 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
768 {
769 mod = CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList);
770 if (!(dir = RtlImageDirectoryEntryToData( mod->BaseAddress, TRUE,
771 IMAGE_DIRECTORY_ENTRY_TLS, &size )))
772 continue;
773 size = (dir->EndAddressOfRawData - dir->StartAddressOfRawData) + dir->SizeOfZeroFill;
774 if (!size) continue;
775 tls_total_size += size;
776 tls_module_count++;
777 }
778 if (!tls_module_count) return STATUS_SUCCESS;
779
780 TRACE( "count %u size %u\n", tls_module_count, tls_total_size );
781
782 tls_dirs = RtlAllocateHeap( GetProcessHeap(), 0, tls_module_count * sizeof(*tls_dirs) );
783 if (!tls_dirs) return STATUS_NO_MEMORY;
784
785 for (i = 0, entry = mark->Flink; entry != mark; entry = entry->Flink)
786 {
787 mod = CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList);
788 if (!(dir = RtlImageDirectoryEntryToData( mod->BaseAddress, TRUE,
789 IMAGE_DIRECTORY_ENTRY_TLS, &size )))
790 continue;
791 tls_dirs[i] = dir;
792 *(DWORD *)dir->AddressOfIndex = i;
793 mod->TlsIndex = i;
794 mod->LoadCount = -1; /* can't unload it */
795 i++;
796 }
797 return STATUS_SUCCESS;
798 }
799
800
801 /*************************************************************************
802 * alloc_thread_tls
803 *
804 * Allocate the per-thread structure for module TLS storage.
805 */
806 static NTSTATUS alloc_thread_tls(void)
807 {
808 void **pointers;
809 char *data;
810 UINT i;
811
812 if (!tls_module_count) return STATUS_SUCCESS;
813
814 if (!(pointers = RtlAllocateHeap( GetProcessHeap(), 0,
815 tls_module_count * sizeof(*pointers) )))
816 return STATUS_NO_MEMORY;
817
818 if (!(data = RtlAllocateHeap( GetProcessHeap(), 0, tls_total_size )))
819 {
820 RtlFreeHeap( GetProcessHeap(), 0, pointers );
821 return STATUS_NO_MEMORY;
822 }
823
824 for (i = 0; i < tls_module_count; i++)
825 {
826 const IMAGE_TLS_DIRECTORY *dir = tls_dirs[i];
827 ULONG size = dir->EndAddressOfRawData - dir->StartAddressOfRawData;
828
829 TRACE( "thread %04x idx %d: %d/%d bytes from %p to %p\n",
830 GetCurrentThreadId(), i, size, dir->SizeOfZeroFill,
831 (void *)dir->StartAddressOfRawData, data );
832
833 pointers[i] = data;
834 memcpy( data, (void *)dir->StartAddressOfRawData, size );
835 data += size;
836 memset( data, 0, dir->SizeOfZeroFill );
837 data += dir->SizeOfZeroFill;
838 }
839 NtCurrentTeb()->ThreadLocalStoragePointer = pointers;
840 return STATUS_SUCCESS;
841 }
842
843
844 /*************************************************************************
845 * call_tls_callbacks
846 */
847 static void call_tls_callbacks( HMODULE module, UINT reason )
848 {
849 const IMAGE_TLS_DIRECTORY *dir;
850 const PIMAGE_TLS_CALLBACK *callback;
851 ULONG dirsize;
852
853 dir = RtlImageDirectoryEntryToData( module, TRUE, IMAGE_DIRECTORY_ENTRY_TLS, &dirsize );
854 if (!dir || !dir->AddressOfCallBacks) return;
855
856 for (callback = (const PIMAGE_TLS_CALLBACK *)dir->AddressOfCallBacks; *callback; callback++)
857 {
858 if (TRACE_ON(relay))
859 DPRINTF("%04x:Call TLS callback (proc=%p,module=%p,reason=%s,reserved=0)\n",
860 GetCurrentThreadId(), *callback, module, reason_names[reason] );
861 __TRY
862 {
863 (*callback)( module, reason, NULL );
864 }
865 __EXCEPT_ALL
866 {
867 if (TRACE_ON(relay))
868 DPRINTF("%04x:exception in TLS callback (proc=%p,module=%p,reason=%s,reserved=0)\n",
869 GetCurrentThreadId(), callback, module, reason_names[reason] );
870 return;
871 }
872 __ENDTRY
873 if (TRACE_ON(relay))
874 DPRINTF("%04x:Ret TLS callback (proc=%p,module=%p,reason=%s,reserved=0)\n",
875 GetCurrentThreadId(), *callback, module, reason_names[reason] );
876 }
877 }
878
879
880 /*************************************************************************
881 * MODULE_InitDLL
882 */
883 static NTSTATUS MODULE_InitDLL( WINE_MODREF *wm, UINT reason, LPVOID lpReserved )
884 {
885 WCHAR mod_name[32];
886 NTSTATUS status = STATUS_SUCCESS;
887 DLLENTRYPROC entry = wm->ldr.EntryPoint;
888 void *module = wm->ldr.BaseAddress;
889 BOOL retv = TRUE;
890
891 /* Skip calls for modules loaded with special load flags */
892
893 if (wm->ldr.Flags & LDR_DONT_RESOLVE_REFS) return STATUS_SUCCESS;
894 if (wm->ldr.TlsIndex != -1) call_tls_callbacks( wm->ldr.BaseAddress, reason );
895 if (!entry) return STATUS_SUCCESS;
896
897 if (TRACE_ON(relay))
898 {
899 size_t len = min( wm->ldr.BaseDllName.Length, sizeof(mod_name)-sizeof(WCHAR) );
900 memcpy( mod_name, wm->ldr.BaseDllName.Buffer, len );
901 mod_name[len / sizeof(WCHAR)] = 0;
902 DPRINTF("%04x:Call PE DLL (proc=%p,module=%p %s,reason=%s,res=%p)\n",
903 GetCurrentThreadId(), entry, module, debugstr_w(mod_name),
904 reason_names[reason], lpReserved );
905 }
906 else TRACE("(%p %s,%s,%p) - CALL\n", module, debugstr_w(wm->ldr.BaseDllName.Buffer),
907 reason_names[reason], lpReserved );
908
909 __TRY
910 {
911 retv = call_dll_entry_point( entry, module, reason, lpReserved );
912 if (!retv)
913 status = STATUS_DLL_INIT_FAILED;
914 }
915 __EXCEPT_ALL
916 {
917 if (TRACE_ON(relay))
918 DPRINTF("%04x:exception in PE entry point (proc=%p,module=%p,reason=%s,res=%p)\n",
919 GetCurrentThreadId(), entry, module, reason_names[reason], lpReserved );
920 status = GetExceptionCode();
921 }
922 __ENDTRY
923
924 /* The state of the module list may have changed due to the call
925 to the dll. We cannot assume that this module has not been
926 deleted. */
927 if (TRACE_ON(relay))
928 DPRINTF("%04x:Ret PE DLL (proc=%p,module=%p %s,reason=%s,res=%p) retval=%x\n",
929 GetCurrentThreadId(), entry, module, debugstr_w(mod_name),
930 reason_names[reason], lpReserved, retv );
931 else TRACE("(%p,%s,%p) - RETURN %d\n", module, reason_names[reason], lpReserved, retv );
932
933 return status;
934 }
935
936
937 /*************************************************************************
938 * process_attach
939 *
940 * Send the process attach notification to all DLLs the given module
941 * depends on (recursively). This is somewhat complicated due to the fact that
942 *
943 * - we have to respect the module dependencies, i.e. modules implicitly
944 * referenced by another module have to be initialized before the module
945 * itself can be initialized
946 *
947 * - the initialization routine of a DLL can itself call LoadLibrary,
948 * thereby introducing a whole new set of dependencies (even involving
949 * the 'old' modules) at any time during the whole process
950 *
951 * (Note that this routine can be recursively entered not only directly
952 * from itself, but also via LoadLibrary from one of the called initialization
953 * routines.)
954 *
955 * Furthermore, we need to rearrange the main WINE_MODREF list to allow
956 * the process *detach* notifications to be sent in the correct order.
957 * This must not only take into account module dependencies, but also
958 * 'hidden' dependencies created by modules calling LoadLibrary in their
959 * attach notification routine.
960 *
961 * The strategy is rather simple: we move a WINE_MODREF to the head of the
962 * list after the attach notification has returned. This implies that the
963 * detach notifications are called in the reverse of the sequence the attach
964 * notifications *returned*.
965 *
966 * The loader_section must be locked while calling this function.
967 */
968 static NTSTATUS process_attach( WINE_MODREF *wm, LPVOID lpReserved )
969 {
970 NTSTATUS status = STATUS_SUCCESS;
971 ULONG_PTR cookie;
972 int i;
973
974 if (process_detaching) return status;
975
976 /* prevent infinite recursion in case of cyclical dependencies */
977 if ( ( wm->ldr.Flags & LDR_LOAD_IN_PROGRESS )
978 || ( wm->ldr.Flags & LDR_PROCESS_ATTACHED ) )
979 return status;
980
981 TRACE("(%s,%p) - START\n", debugstr_w(wm->ldr.BaseDllName.Buffer), lpReserved );
982
983 /* Tag current MODREF to prevent recursive loop */
984 wm->ldr.Flags |= LDR_LOAD_IN_PROGRESS;
985 if (lpReserved) wm->ldr.LoadCount = -1; /* pin it if imported by the main exe */
986 if (wm->ldr.ActivationContext) RtlActivateActivationContext( 0, wm->ldr.ActivationContext, &cookie );
987
988 /* Recursively attach all DLLs this one depends on */
989 for ( i = 0; i < wm->nDeps; i++ )
990 {
991 if (!wm->deps[i]) continue;
992 if ((status = process_attach( wm->deps[i], lpReserved )) != STATUS_SUCCESS) break;
993 }
994
995 /* Call DLL entry point */
996 if (status == STATUS_SUCCESS)
997 {
998 WINE_MODREF *prev = current_modref;
999 current_modref = wm;
1000 status = MODULE_InitDLL( wm, DLL_PROCESS_ATTACH, lpReserved );
1001 if (status == STATUS_SUCCESS)
1002 wm->ldr.Flags |= LDR_PROCESS_ATTACHED;
1003 else
1004 {
1005 /* point to the name so LdrInitializeThunk can print it */
1006 last_failed_modref = wm;
1007 WARN("Initialization of %s failed\n", debugstr_w(wm->ldr.BaseDllName.Buffer));
1008 }
1009 current_modref = prev;
1010 }
1011
1012 if (!wm->ldr.InInitializationOrderModuleList.Flink)
1013 InsertTailList(&NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList,
1014 &wm->ldr.InInitializationOrderModuleList);
1015
1016 if (wm->ldr.ActivationContext) RtlDeactivateActivationContext( 0, cookie );
1017 /* Remove recursion flag */
1018 wm->ldr.Flags &= ~LDR_LOAD_IN_PROGRESS;
1019
1020 TRACE("(%s,%p) - END\n", debugstr_w(wm->ldr.BaseDllName.Buffer), lpReserved );
1021 return status;
1022 }
1023
1024
1025 /**********************************************************************
1026 * attach_implicitly_loaded_dlls
1027 *
1028 * Attach to the (builtin) dlls that have been implicitly loaded because
1029 * of a dependency at the Unix level, but not imported at the Win32 level.
1030 */
1031 static void attach_implicitly_loaded_dlls( LPVOID reserved )
1032 {
1033 for (;;)
1034 {
1035 PLIST_ENTRY mark, entry;
1036
1037 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
1038 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
1039 {
1040 LDR_MODULE *mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
1041
1042 if (mod->Flags & (LDR_LOAD_IN_PROGRESS | LDR_PROCESS_ATTACHED)) continue;
1043 TRACE( "found implicitly loaded %s, attaching to it\n",
1044 debugstr_w(mod->BaseDllName.Buffer));
1045 process_attach( CONTAINING_RECORD(mod, WINE_MODREF, ldr), reserved );
1046 break; /* restart the search from the start */
1047 }
1048 if (entry == mark) break; /* nothing found */
1049 }
1050 }
1051
1052
1053 /*************************************************************************
1054 * process_detach
1055 *
1056 * Send DLL process detach notifications. See the comment about calling
1057 * sequence at process_attach. Unless the bForceDetach flag
1058 * is set, only DLLs with zero refcount are notified.
1059 */
1060 static void process_detach( BOOL bForceDetach, LPVOID lpReserved )
1061 {
1062 PLIST_ENTRY mark, entry;
1063 PLDR_MODULE mod;
1064
1065 RtlEnterCriticalSection( &loader_section );
1066 if (bForceDetach) process_detaching = 1;
1067 mark = &NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList;
1068 do
1069 {
1070 for (entry = mark->Blink; entry != mark; entry = entry->Blink)
1071 {
1072 mod = CONTAINING_RECORD(entry, LDR_MODULE,
1073 InInitializationOrderModuleList);
1074 /* Check whether to detach this DLL */
1075 if ( !(mod->Flags & LDR_PROCESS_ATTACHED) )
1076 continue;
1077 if ( mod->LoadCount && !bForceDetach )
1078 continue;
1079
1080 /* Call detach notification */
1081 mod->Flags &= ~LDR_PROCESS_ATTACHED;
1082 MODULE_InitDLL( CONTAINING_RECORD(mod, WINE_MODREF, ldr),
1083 DLL_PROCESS_DETACH, lpReserved );
1084
1085 /* Restart at head of WINE_MODREF list, as entries might have
1086 been added and/or removed while performing the call ... */
1087 break;
1088 }
1089 } while (entry != mark);
1090
1091 RtlLeaveCriticalSection( &loader_section );
1092 }
1093
1094 /*************************************************************************
1095 * MODULE_DllThreadAttach
1096 *
1097 * Send DLL thread attach notifications. These are sent in the
1098 * reverse sequence of process detach notification.
1099 *
1100 */
1101 NTSTATUS MODULE_DllThreadAttach( LPVOID lpReserved )
1102 {
1103 PLIST_ENTRY mark, entry;
1104 PLDR_MODULE mod;
1105 NTSTATUS status;
1106
1107 /* don't do any attach calls if process is exiting */
1108 if (process_detaching) return STATUS_SUCCESS;
1109 /* FIXME: there is still a race here */
1110
1111 RtlEnterCriticalSection( &loader_section );
1112
1113 if ((status = alloc_thread_tls()) != STATUS_SUCCESS) goto done;
1114
1115 mark = &NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList;
1116 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
1117 {
1118 mod = CONTAINING_RECORD(entry, LDR_MODULE,
1119 InInitializationOrderModuleList);
1120 if ( !(mod->Flags & LDR_PROCESS_ATTACHED) )
1121 continue;
1122 if ( mod->Flags & LDR_NO_DLL_CALLS )
1123 continue;
1124
1125 MODULE_InitDLL( CONTAINING_RECORD(mod, WINE_MODREF, ldr),
1126 DLL_THREAD_ATTACH, lpReserved );
1127 }
1128
1129 done:
1130 RtlLeaveCriticalSection( &loader_section );
1131 return status;
1132 }
1133
1134 /******************************************************************
1135 * LdrDisableThreadCalloutsForDll (NTDLL.@)
1136 *
1137 */
1138 NTSTATUS WINAPI LdrDisableThreadCalloutsForDll(HMODULE hModule)
1139 {
1140 WINE_MODREF *wm;
1141 NTSTATUS ret = STATUS_SUCCESS;
1142
1143 RtlEnterCriticalSection( &loader_section );
1144
1145 wm = get_modref( hModule );
1146 if (!wm || wm->ldr.TlsIndex != -1)
1147 ret = STATUS_DLL_NOT_FOUND;
1148 else
1149 wm->ldr.Flags |= LDR_NO_DLL_CALLS;
1150
1151 RtlLeaveCriticalSection( &loader_section );
1152
1153 return ret;
1154 }
1155
1156 /******************************************************************
1157 * LdrFindEntryForAddress (NTDLL.@)
1158 *
1159 * The loader_section must be locked while calling this function
1160 */
1161 NTSTATUS WINAPI LdrFindEntryForAddress(const void* addr, PLDR_MODULE* pmod)
1162 {
1163 PLIST_ENTRY mark, entry;
1164 PLDR_MODULE mod;
1165
1166 mark = &NtCurrentTeb()->Peb->LdrData->InMemoryOrderModuleList;
1167 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
1168 {
1169 mod = CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList);
1170 if ((const void *)mod->BaseAddress <= addr &&
1171 (const char *)addr < (char*)mod->BaseAddress + mod->SizeOfImage)
1172 {
1173 *pmod = mod;
1174 return STATUS_SUCCESS;
1175 }
1176 if ((const void *)mod->BaseAddress > addr) break;
1177 }
1178 return STATUS_NO_MORE_ENTRIES;
1179 }
1180
1181 /******************************************************************
1182 * LdrLockLoaderLock (NTDLL.@)
1183 *
1184 * Note: flags are not implemented.
1185 * Flag 0x01 is used to raise exceptions on errors.
1186 * Flag 0x02 is used to avoid waiting on the section (does RtlTryEnterCriticalSection instead).
1187 */
1188 NTSTATUS WINAPI LdrLockLoaderLock( ULONG flags, ULONG *result, ULONG *magic )
1189 {
1190 if (flags) FIXME( "flags %x not supported\n", flags );
1191
1192 if (result) *result = 1;
1193 if (!magic) return STATUS_INVALID_PARAMETER_3;
1194 RtlEnterCriticalSection( &loader_section );
1195 *magic = GetCurrentThreadId();
1196 return STATUS_SUCCESS;
1197 }
1198
1199
1200 /******************************************************************
1201 * LdrUnlockLoaderUnlock (NTDLL.@)
1202 */
1203 NTSTATUS WINAPI LdrUnlockLoaderLock( ULONG flags, ULONG magic )
1204 {
1205 if (magic)
1206 {
1207 if (magic != GetCurrentThreadId()) return STATUS_INVALID_PARAMETER_2;
1208 RtlLeaveCriticalSection( &loader_section );
1209 }
1210 return STATUS_SUCCESS;
1211 }
1212
1213
1214 /******************************************************************
1215 * LdrGetProcedureAddress (NTDLL.@)
1216 */
1217 NTSTATUS WINAPI LdrGetProcedureAddress(HMODULE module, const ANSI_STRING *name,
1218 ULONG ord, PVOID *address)
1219 {
1220 IMAGE_EXPORT_DIRECTORY *exports;
1221 DWORD exp_size;
1222 NTSTATUS ret = STATUS_PROCEDURE_NOT_FOUND;
1223
1224 RtlEnterCriticalSection( &loader_section );
1225
1226 /* check if the module itself is invalid to return the proper error */
1227 if (!get_modref( module )) ret = STATUS_DLL_NOT_FOUND;
1228 else if ((exports = RtlImageDirectoryEntryToData( module, TRUE,
1229 IMAGE_DIRECTORY_ENTRY_EXPORT, &exp_size )))
1230 {
1231 LPCWSTR load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
1232 void *proc = name ? find_named_export( module, exports, exp_size, name->Buffer, -1, load_path )
1233 : find_ordinal_export( module, exports, exp_size, ord - exports->Base, load_path );
1234 if (proc)
1235 {
1236 *address = proc;
1237 ret = STATUS_SUCCESS;
1238 }
1239 }
1240
1241 RtlLeaveCriticalSection( &loader_section );
1242 return ret;
1243 }
1244
1245
1246 /***********************************************************************
1247 * is_fake_dll
1248 *
1249 * Check if a loaded native dll is a Wine fake dll.
1250 */
1251 static BOOL is_fake_dll( HANDLE handle )
1252 {
1253 static const char fakedll_signature[] = "Wine placeholder DLL";
1254 char buffer[sizeof(IMAGE_DOS_HEADER) + sizeof(fakedll_signature)];
1255 const IMAGE_DOS_HEADER *dos = (const IMAGE_DOS_HEADER *)buffer;
1256 IO_STATUS_BLOCK io;
1257 LARGE_INTEGER offset;
1258
1259 offset.QuadPart = 0;
1260 if (NtReadFile( handle, 0, NULL, 0, &io, buffer, sizeof(buffer), &offset, NULL )) return FALSE;
1261 if (io.Information < sizeof(buffer)) return FALSE;
1262 if (dos->e_magic != IMAGE_DOS_SIGNATURE) return FALSE;
1263 if (dos->e_lfanew >= sizeof(*dos) + sizeof(fakedll_signature) &&
1264 !memcmp( dos + 1, fakedll_signature, sizeof(fakedll_signature) )) return TRUE;
1265 return FALSE;
1266 }
1267
1268
1269 /***********************************************************************
1270 * get_builtin_fullname
1271 *
1272 * Build the full pathname for a builtin dll.
1273 */
1274 static WCHAR *get_builtin_fullname( const WCHAR *path, const char *filename )
1275 {
1276 static const WCHAR soW[] = {'.','s','o',0};
1277 WCHAR *p, *fullname;
1278 size_t i, len = strlen(filename);
1279
1280 /* check if path can correspond to the dll we have */
1281 if (path && (p = strrchrW( path, '\\' )))
1282 {
1283 p++;
1284 for (i = 0; i < len; i++)
1285 if (tolowerW(p[i]) != tolowerW( (WCHAR)filename[i]) ) break;
1286 if (i == len && (!p[len] || !strcmpiW( p + len, soW )))
1287 {
1288 /* the filename matches, use path as the full path */
1289 len += p - path;
1290 if ((fullname = RtlAllocateHeap( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) )))
1291 {
1292 memcpy( fullname, path, len * sizeof(WCHAR) );
1293 fullname[len] = 0;
1294 }
1295 return fullname;
1296 }
1297 }
1298
1299 if ((fullname = RtlAllocateHeap( GetProcessHeap(), 0,
1300 system_dir.MaximumLength + (len + 1) * sizeof(WCHAR) )))
1301 {
1302 memcpy( fullname, system_dir.Buffer, system_dir.Length );
1303 p = fullname + system_dir.Length / sizeof(WCHAR);
1304 if (p > fullname && p[-1] != '\\') *p++ = '\\';
1305 ascii_to_unicode( p, filename, len + 1 );
1306 }
1307 return fullname;
1308 }
1309
1310
1311 /***********************************************************************
1312 * load_builtin_callback
1313 *
1314 * Load a library in memory; callback function for wine_dll_register
1315 */
1316 static void load_builtin_callback( void *module, const char *filename )
1317 {
1318 static const WCHAR emptyW[1];
1319 IMAGE_NT_HEADERS *nt;
1320 WINE_MODREF *wm;
1321 WCHAR *fullname;
1322 const WCHAR *load_path;
1323
1324 if (!module)
1325 {
1326 ERR("could not map image for %s\n", filename ? filename : "main exe" );
1327 return;
1328 }
1329 if (!(nt = RtlImageNtHeader( module )))
1330 {
1331 ERR( "bad module for %s\n", filename ? filename : "main exe" );
1332 builtin_load_info->status = STATUS_INVALID_IMAGE_FORMAT;
1333 return;
1334 }
1335 virtual_create_system_view( module, nt->OptionalHeader.SizeOfImage,
1336 VPROT_SYSTEM | VPROT_IMAGE | VPROT_COMMITTED |
1337 VPROT_READ | VPROT_WRITECOPY | VPROT_EXEC );
1338
1339 /* create the MODREF */
1340
1341 if (!(fullname = get_builtin_fullname( builtin_load_info->filename, filename )))
1342 {
1343 ERR( "can't load %s\n", filename );
1344 builtin_load_info->status = STATUS_NO_MEMORY;
1345 return;
1346 }
1347
1348 wm = alloc_module( module, fullname );
1349 RtlFreeHeap( GetProcessHeap(), 0, fullname );
1350 if (!wm)
1351 {
1352 ERR( "can't load %s\n", filename );
1353 builtin_load_info->status = STATUS_NO_MEMORY;
1354 return;
1355 }
1356 wm->ldr.Flags |= LDR_WINE_INTERNAL;
1357
1358 if (!(nt->FileHeader.Characteristics & IMAGE_FILE_DLL) &&
1359 !NtCurrentTeb()->Peb->ImageBaseAddress) /* if we already have an executable, ignore this one */
1360 {
1361 NtCurrentTeb()->Peb->ImageBaseAddress = module;
1362 }
1363 else
1364 {
1365 /* fixup imports */
1366
1367 load_path = builtin_load_info->load_path;
1368 if (!load_path) load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
1369 if (!load_path) load_path = emptyW;
1370 if (fixup_imports( wm, load_path ) != STATUS_SUCCESS)
1371 {
1372 /* the module has only be inserted in the load & memory order lists */
1373 RemoveEntryList(&wm->ldr.InLoadOrderModuleList);
1374 RemoveEntryList(&wm->ldr.InMemoryOrderModuleList);
1375 /* FIXME: free the modref */
1376 builtin_load_info->status = STATUS_DLL_NOT_FOUND;
1377 return;
1378 }
1379 }
1380
1381 builtin_load_info->wm = wm;
1382 TRACE( "loaded %s %p %p\n", filename, wm, module );
1383
1384 /* send the DLL load event */
1385
1386 SERVER_START_REQ( load_dll )
1387 {
1388 req->handle = 0;
1389 req->base = module;
1390 req->size = nt->OptionalHeader.SizeOfImage;
1391 req->dbg_offset = nt->FileHeader.PointerToSymbolTable;
1392 req->dbg_size = nt->FileHeader.NumberOfSymbols;
1393 req->name = &wm->ldr.FullDllName.Buffer;
1394 wine_server_add_data( req, wm->ldr.FullDllName.Buffer, wm->ldr.FullDllName.Length );
1395 wine_server_call( req );
1396 }
1397 SERVER_END_REQ;
1398
1399 /* setup relay debugging entry points */
1400 if (TRACE_ON(relay)) RELAY_SetupDLL( module );
1401 }
1402
1403
1404 /******************************************************************************
1405 * load_native_dll (internal)
1406 */
1407 static NTSTATUS load_native_dll( LPCWSTR load_path, LPCWSTR name, HANDLE file,
1408 DWORD flags, WINE_MODREF** pwm )
1409 {
1410 void *module;
1411 HANDLE mapping;
1412 OBJECT_ATTRIBUTES attr;
1413 LARGE_INTEGER size;
1414 IMAGE_NT_HEADERS *nt;
1415 SIZE_T len = 0;
1416 WINE_MODREF *wm;
1417 NTSTATUS status;
1418
1419 TRACE("Trying native dll %s\n", debugstr_w(name));
1420
1421 attr.Length = sizeof(attr);
1422 attr.RootDirectory = 0;
1423 attr.ObjectName = NULL;
1424 attr.Attributes = 0;
1425 attr.SecurityDescriptor = NULL;
1426 attr.SecurityQualityOfService = NULL;
1427 size.QuadPart = 0;
1428
1429 status = NtCreateSection( &mapping, STANDARD_RIGHTS_REQUIRED | SECTION_QUERY | SECTION_MAP_READ,
1430 &attr, &size, 0, SEC_IMAGE, file );
1431 if (status != STATUS_SUCCESS) return status;
1432
1433 module = NULL;
1434 status = NtMapViewOfSection( mapping, NtCurrentProcess(),
1435 &module, 0, 0, &size, &len, ViewShare, 0, PAGE_READONLY );
1436 NtClose( mapping );
1437 if (status != STATUS_SUCCESS) return status;
1438
1439 /* create the MODREF */
1440
1441 if (!(wm = alloc_module( module, name ))) return STATUS_NO_MEMORY;
1442
1443 /* fixup imports */
1444
1445 if (!(flags & DONT_RESOLVE_DLL_REFERENCES))
1446 {
1447 if ((status = fixup_imports( wm, load_path )) != STATUS_SUCCESS)
1448 {
1449 /* the module has only be inserted in the load & memory order lists */
1450 RemoveEntryList(&wm->ldr.InLoadOrderModuleList);
1451 RemoveEntryList(&wm->ldr.InMemoryOrderModuleList);
1452
1453 /* FIXME: there are several more dangling references
1454 * left. Including dlls loaded by this dll before the
1455 * failed one. Unrolling is rather difficult with the
1456 * current structure and we can leave them lying
1457 * around with no problems, so we don't care.
1458 * As these might reference our wm, we don't free it.
1459 */
1460 return status;
1461 }
1462 }
1463
1464 /* send DLL load event */
1465
1466 nt = RtlImageNtHeader( module );
1467
1468 SERVER_START_REQ( load_dll )
1469 {
1470 req->handle = file;
1471 req->base = module;
1472 req->size = nt->OptionalHeader.SizeOfImage;
1473 req->dbg_offset = nt->FileHeader.PointerToSymbolTable;
1474 req->dbg_size = nt->FileHeader.NumberOfSymbols;
1475 req->name = &wm->ldr.FullDllName.Buffer;
1476 wine_server_add_data( req, wm->ldr.FullDllName.Buffer, wm->ldr.FullDllName.Length );
1477 wine_server_call( req );
1478 }
1479 SERVER_END_REQ;
1480
1481 if ((wm->ldr.Flags & LDR_IMAGE_IS_DLL) && TRACE_ON(snoop)) SNOOP_SetupDLL( module );
1482
1483 TRACE_(loaddll)( "Loaded %s at %p: native\n", debugstr_w(wm->ldr.FullDllName.Buffer), module );
1484
1485 wm->ldr.LoadCount = 1;
1486 *pwm = wm;
1487 return STATUS_SUCCESS;
1488 }
1489
1490
1491 /***********************************************************************
1492 * load_builtin_dll
1493 */
1494 static NTSTATUS load_builtin_dll( LPCWSTR load_path, LPCWSTR path, HANDLE file,
1495 DWORD flags, WINE_MODREF** pwm )
1496 {
1497 char error[256], dllname[MAX_PATH];
1498 const WCHAR *name, *p;
1499 DWORD len, i;
1500 void *handle = NULL;
1501 struct builtin_load_info info, *prev_info;
1502
1503 /* Fix the name in case we have a full path and extension */
1504 name = path;
1505 if ((p = strrchrW( name, '\\' ))) name = p + 1;
1506 if ((p = strrchrW( name, '/' ))) name = p + 1;
1507
1508 /* load_library will modify info.status. Note also that load_library can be
1509 * called several times, if the .so file we're loading has dependencies.
1510 * info.status will gather all the errors we may get while loading all these
1511 * libraries
1512 */
1513 info.load_path = load_path;
1514 info.filename = NULL;
1515 info.status = STATUS_SUCCESS;
1516 info.wm = NULL;
1517
1518 if (file) /* we have a real file, try to load it */
1519 {
1520 UNICODE_STRING nt_name;
1521 ANSI_STRING unix_name;
1522
1523 TRACE("Trying built-in %s\n", debugstr_w(path));
1524
1525 if (!RtlDosPathNameToNtPathName_U( path, &nt_name, NULL, NULL ))
1526 return STATUS_DLL_NOT_FOUND;
1527
1528 if (wine_nt_to_unix_file_name( &nt_name, &unix_name, FILE_OPEN, FALSE ))
1529 {
1530 RtlFreeUnicodeString( &nt_name );
1531 return STATUS_DLL_NOT_FOUND;
1532 }
1533 prev_info = builtin_load_info;
1534 info.filename = nt_name.Buffer + 4; /* skip \??\ */
1535 builtin_load_info = &info;
1536 handle = wine_dlopen( unix_name.Buffer, RTLD_NOW, error, sizeof(error) );
1537 builtin_load_info = prev_info;
1538 RtlFreeUnicodeString( &nt_name );
1539 RtlFreeHeap( GetProcessHeap(), 0, unix_name.Buffer );
1540 if (!handle)
1541 {
1542 WARN( "failed to load .so lib for builtin %s: %s\n", debugstr_w(path), error );
1543 return STATUS_INVALID_IMAGE_FORMAT;
1544 }
1545 }
1546 else
1547 {
1548 int file_exists;
1549
1550 TRACE("Trying built-in %s\n", debugstr_w(name));
1551
1552 /* we don't want to depend on the current codepage here */
1553 len = strlenW( name ) + 1;
1554 if (len >= sizeof(dllname)) return STATUS_NAME_TOO_LONG;
1555 for (i = 0; i < len; i++)
1556 {
1557 if (name[i] > 127) return STATUS_DLL_NOT_FOUND;
1558 dllname[i] = (char)name[i];
1559 if (dllname[i] >= 'A' && dllname[i] <= 'Z') dllname[i] += 'a' - 'A';
1560 }
1561
1562 prev_info = builtin_load_info;
1563 builtin_load_info = &info;
1564 handle = wine_dll_load( dllname, error, sizeof(error), &file_exists );
1565 builtin_load_info = prev_info;
1566 if (!handle)
1567 {
1568 if (!file_exists)
1569 {
1570 /* The file does not exist -> WARN() */
1571 WARN("cannot open .so lib for builtin %s: %s\n", debugstr_w(name), error);
1572 return STATUS_DLL_NOT_FOUND;
1573 }
1574 /* ERR() for all other errors (missing functions, ...) */
1575 ERR("failed to load .so lib for builtin %s: %s\n", debugstr_w(name), error );
1576 return STATUS_PROCEDURE_NOT_FOUND;
1577 }
1578 }
1579
1580 if (info.status != STATUS_SUCCESS)
1581 {
1582 wine_dll_unload( handle );
1583 return info.status;
1584 }
1585
1586 if (!info.wm)
1587 {
1588 PLIST_ENTRY mark, entry;
1589
1590 /* The constructor wasn't called, this means the .so is already
1591 * loaded under a different name. Try to find the wm for it. */
1592
1593 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
1594 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
1595 {
1596 LDR_MODULE *mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
1597 if (mod->Flags & LDR_WINE_INTERNAL && mod->SectionHandle == handle)
1598 {
1599 info.wm = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
1600 TRACE( "Found %s at %p for builtin %s\n",
1601 debugstr_w(info.wm->ldr.FullDllName.Buffer), info.wm->ldr.BaseAddress, debugstr_w(path) );
1602 break;
1603 }
1604 }
1605 wine_dll_unload( handle ); /* release the libdl refcount */
1606 if (!info.wm) return STATUS_INVALID_IMAGE_FORMAT;
1607 if (info.wm->ldr.LoadCount != -1) info.wm->ldr.LoadCount++;
1608 }
1609 else
1610 {
1611 TRACE_(loaddll)( "Loaded %s at %p: builtin\n", debugstr_w(info.wm->ldr.FullDllName.Buffer), info.wm->ldr.BaseAddress );
1612 info.wm->ldr.LoadCount = 1;
1613 info.wm->ldr.SectionHandle = handle;
1614 }
1615
1616 *pwm = info.wm;
1617 return STATUS_SUCCESS;
1618 }
1619
1620
1621 /***********************************************************************
1622 * find_actctx_dll
1623 *
1624 * Find the full path (if any) of the dll from the activation context.
1625 */
1626 static NTSTATUS find_actctx_dll( LPCWSTR libname, LPWSTR *fullname )
1627 {
1628 static const WCHAR winsxsW[] = {'\\','w','i','n','s','x','s','\\'};
1629 static const WCHAR dotManifestW[] = {'.','m','a','n','i','f','e','s','t',0};
1630
1631 ACTIVATION_CONTEXT_ASSEMBLY_DETAILED_INFORMATION *info;
1632 ACTCTX_SECTION_KEYED_DATA data;
1633 UNICODE_STRING nameW;
1634 NTSTATUS status;
1635 SIZE_T needed, size = 1024;
1636 WCHAR *p;
1637
1638 RtlInitUnicodeString( &nameW, libname );
1639 data.cbSize = sizeof(data);
1640 status = RtlFindActivationContextSectionString( FIND_ACTCTX_SECTION_KEY_RETURN_HACTCTX, NULL,
1641 ACTIVATION_CONTEXT_SECTION_DLL_REDIRECTION,
1642 &nameW, &data );
1643 if (status != STATUS_SUCCESS) return status;
1644
1645 for (;;)
1646 {
1647 if (!(info = RtlAllocateHeap( GetProcessHeap(), 0, size )))
1648 {
1649 status = STATUS_NO_MEMORY;
1650 goto done;
1651 }
1652 status = RtlQueryInformationActivationContext( 0, data.hActCtx, &data.ulAssemblyRosterIndex,
1653 AssemblyDetailedInformationInActivationContext,
1654 info, size, &needed );
1655 if (status == STATUS_SUCCESS) break;
1656 if (status != STATUS_BUFFER_TOO_SMALL) goto done;
1657 RtlFreeHeap( GetProcessHeap(), 0, info );
1658 size = needed;
1659 /* restart with larger buffer */
1660 }
1661
1662 if ((p = strrchrW( info->lpAssemblyManifestPath, '\\' )))
1663 {
1664 DWORD dirlen = info->ulAssemblyDirectoryNameLength / sizeof(WCHAR);
1665
1666 p++;
1667 if (strncmpiW( p, info->lpAssemblyDirectoryName, dirlen ) || strcmpiW( p + dirlen, dotManifestW ))
1668 {
1669 /* manifest name does not match directory name, so it's not a global
1670 * windows/winsxs manifest; use the manifest directory name instead */
1671 dirlen = p - info->lpAssemblyManifestPath;
1672 needed = (dirlen + 1) * sizeof(WCHAR) + nameW.Length;
1673 if (!(*fullname = p = RtlAllocateHeap( GetProcessHeap(), 0, needed )))
1674 {
1675 status = STATUS_NO_MEMORY;
1676 goto done;
1677 }
1678 memcpy( p, info->lpAssemblyManifestPath, dirlen * sizeof(WCHAR) );
1679 p += dirlen;
1680 strcpyW( p, libname );
1681 goto done;
1682 }
1683 }
1684
1685 needed = (windows_dir.Length + sizeof(winsxsW) + info->ulAssemblyDirectoryNameLength +
1686 nameW.Length + 2*sizeof(WCHAR));
1687
1688 if (!(*fullname = p = RtlAllocateHeap( GetProcessHeap(), 0, needed )))
1689 {
1690 status = STATUS_NO_MEMORY;
1691 goto done;
1692 }
1693 memcpy( p, windows_dir.Buffer, windows_dir.Length );
1694 p += windows_dir.Length / sizeof(WCHAR);
1695 memcpy( p, winsxsW, sizeof(winsxsW) );
1696 p += sizeof(winsxsW) / sizeof(WCHAR);
1697 memcpy( p, info->lpAssemblyDirectoryName, info->ulAssemblyDirectoryNameLength );
1698 p += info->ulAssemblyDirectoryNameLength / sizeof(WCHAR);
1699 *p++ = '\\';
1700 strcpyW( p, libname );
1701 done:
1702 RtlFreeHeap( GetProcessHeap(), 0, info );
1703 RtlReleaseActivationContext( data.hActCtx );
1704 return status;
1705 }
1706
1707
1708 /***********************************************************************
1709 * find_dll_file
1710 *
1711 * Find the file (or already loaded module) for a given dll name.
1712 */
1713 static NTSTATUS find_dll_file( const WCHAR *load_path, const WCHAR *libname,
1714 WCHAR *filename, ULONG *size, WINE_MODREF **pwm, HANDLE *handle )
1715 {
1716 OBJECT_ATTRIBUTES attr;
1717 IO_STATUS_BLOCK io;
1718 UNICODE_STRING nt_name;
1719 WCHAR *file_part, *ext, *dllname;
1720 ULONG len;
1721
1722 /* first append .dll if needed */
1723
1724 dllname = NULL;
1725 if (!(ext = strrchrW( libname, '.')) || strchrW( ext, '/' ) || strchrW( ext, '\\'))
1726 {
1727 if (!(dllname = RtlAllocateHeap( GetProcessHeap(), 0,
1728 (strlenW(libname) * sizeof(WCHAR)) + sizeof(dllW) )))
1729 return STATUS_NO_MEMORY;
1730 strcpyW( dllname, libname );
1731 strcatW( dllname, dllW );
1732 libname = dllname;
1733 }
1734
1735 nt_name.Buffer = NULL;
1736
1737 if (!contains_path( libname ))
1738 {
1739 NTSTATUS status;
1740 WCHAR *fullname = NULL;
1741
1742 if ((*pwm = find_basename_module( libname )) != NULL) goto found;
1743
1744 status = find_actctx_dll( libname, &fullname );
1745 if (status == STATUS_SUCCESS)
1746 {
1747 TRACE ("found %s for %s\n", debugstr_w(fullname), debugstr_w(libname) );
1748 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1749 libname = dllname = fullname;
1750 }
1751 else if (status != STATUS_SXS_KEY_NOT_FOUND)
1752 {
1753 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1754 return status;
1755 }
1756 }
1757
1758 if (RtlDetermineDosPathNameType_U( libname ) == RELATIVE_PATH)
1759 {
1760 /* we need to search for it */
1761 len = RtlDosSearchPath_U( load_path, libname, NULL, *size, filename, &file_part );
1762 if (len)
1763 {
1764 if (len >= *size) goto overflow;
1765 if ((*pwm = find_fullname_module( filename )) || !handle) goto found;
1766
1767 if (!RtlDosPathNameToNtPathName_U( filename, &nt_name, NULL, NULL ))
1768 {
1769 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1770 return STATUS_NO_MEMORY;
1771 }
1772 attr.Length = sizeof(attr);
1773 attr.RootDirectory = 0;
1774 attr.Attributes = OBJ_CASE_INSENSITIVE;
1775 attr.ObjectName = &nt_name;
1776 attr.SecurityDescriptor = NULL;
1777 attr.SecurityQualityOfService = NULL;
1778 if (NtOpenFile( handle, GENERIC_READ, &attr, &io, FILE_SHARE_READ|FILE_SHARE_DELETE, 0 )) *handle = 0;
1779 goto found;
1780 }
1781
1782 /* not found */
1783
1784 if (!contains_path( libname ))
1785 {
1786 /* if libname doesn't contain a path at all, we simply return the name as is,
1787 * to be loaded as builtin */
1788 len = strlenW(libname) * sizeof(WCHAR);
1789 if (len >= *size) goto overflow;
1790 strcpyW( filename, libname );
1791 goto found;
1792 }
1793 }
1794
1795 /* absolute path name, or relative path name but not found above */
1796
1797 if (!RtlDosPathNameToNtPathName_U( libname, &nt_name, &file_part, NULL ))
1798 {
1799 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1800 return STATUS_NO_MEMORY;
1801 }
1802 len = nt_name.Length - 4*sizeof(WCHAR); /* for \??\ prefix */
1803 if (len >= *size) goto overflow;
1804 memcpy( filename, nt_name.Buffer + 4, len + sizeof(WCHAR) );
1805 if (!(*pwm = find_fullname_module( filename )) && handle)
1806 {
1807 attr.Length = sizeof(attr);
1808 attr.RootDirectory = 0;
1809 attr.Attributes = OBJ_CASE_INSENSITIVE;
1810 attr.ObjectName = &nt_name;
1811 attr.SecurityDescriptor = NULL;
1812 attr.SecurityQualityOfService = NULL;
1813 if (NtOpenFile( handle, GENERIC_READ, &attr, &io, FILE_SHARE_READ|FILE_SHARE_DELETE, 0 )) *handle = 0;
1814 }
1815 found:
1816 RtlFreeUnicodeString( &nt_name );
1817 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1818 return STATUS_SUCCESS;
1819
1820 overflow:
1821 RtlFreeUnicodeString( &nt_name );
1822 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1823 *size = len + sizeof(WCHAR);
1824 return STATUS_BUFFER_TOO_SMALL;
1825 }
1826
1827
1828 /***********************************************************************
1829 * load_dll (internal)
1830 *
1831 * Load a PE style module according to the load order.
1832 * The loader_section must be locked while calling this function.
1833 */
1834 static NTSTATUS load_dll( LPCWSTR load_path, LPCWSTR libname, DWORD flags, WINE_MODREF** pwm )
1835 {
1836 enum loadorder loadorder;
1837 WCHAR buffer[32];
1838 WCHAR *filename;
1839 ULONG size;
1840 WINE_MODREF *main_exe;
1841 HANDLE handle = 0;
1842 NTSTATUS nts;
1843
1844 TRACE( "looking for %s in %s\n", debugstr_w(libname), debugstr_w(load_path) );
1845
1846 *pwm = NULL;
1847 filename = buffer;
1848 size = sizeof(buffer);
1849 for (;;)
1850 {
1851 nts = find_dll_file( load_path, libname, filename, &size, pwm, &handle );
1852 if (nts == STATUS_SUCCESS) break;
1853 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
1854 if (nts != STATUS_BUFFER_TOO_SMALL) return nts;
1855 /* grow the buffer and retry */
1856 if (!(filename = RtlAllocateHeap( GetProcessHeap(), 0, size ))) return STATUS_NO_MEMORY;
1857 }
1858
1859 if (*pwm) /* found already loaded module */
1860 {
1861 if ((*pwm)->ldr.LoadCount != -1) (*pwm)->ldr.LoadCount++;
1862
1863 if (!(flags & DONT_RESOLVE_DLL_REFERENCES)) fixup_imports( *pwm, load_path );
1864
1865 TRACE("Found %s for %s at %p, count=%d\n",
1866 debugstr_w((*pwm)->ldr.FullDllName.Buffer), debugstr_w(libname),
1867 (*pwm)->ldr.BaseAddress, (*pwm)->ldr.LoadCount);
1868 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
1869 return STATUS_SUCCESS;
1870 }
1871
1872 main_exe = get_modref( NtCurrentTeb()->Peb->ImageBaseAddress );
1873 loadorder = get_load_order( main_exe ? main_exe->ldr.BaseDllName.Buffer : NULL, filename );
1874
1875 if (handle && is_fake_dll( handle ))
1876 {
1877 TRACE( "%s is a fake Wine dll\n", debugstr_w(filename) );
1878 NtClose( handle );
1879 handle = 0;
1880 }
1881
1882 switch(loadorder)
1883 {
1884 case LO_INVALID:
1885 nts = STATUS_NO_MEMORY;
1886 break;
1887 case LO_DISABLED:
1888 nts = STATUS_DLL_NOT_FOUND;
1889 break;
1890 case LO_NATIVE:
1891 case LO_NATIVE_BUILTIN:
1892 if (!handle) nts = STATUS_DLL_NOT_FOUND;
1893 else
1894 {
1895 nts = load_native_dll( load_path, filename, handle, flags, pwm );
1896 if (nts == STATUS_INVALID_FILE_FOR_SECTION)
1897 /* not in PE format, maybe it's a builtin */
1898 nts = load_builtin_dll( load_path, filename, handle, flags, pwm );
1899 }
1900 if (nts == STATUS_DLL_NOT_FOUND && loadorder == LO_NATIVE_BUILTIN)
1901 nts = load_builtin_dll( load_path, filename, 0, flags, pwm );
1902 break;
1903 case LO_BUILTIN:
1904 case LO_BUILTIN_NATIVE:
1905 case LO_DEFAULT: /* default is builtin,native */
1906 nts = load_builtin_dll( load_path, filename, handle, flags, pwm );
1907 if (!handle) break; /* nothing else we can try */
1908 /* file is not a builtin library, try without using the specified file */
1909 if (nts != STATUS_SUCCESS)
1910 nts = load_builtin_dll( load_path, filename, 0, flags, pwm );
1911 if (nts == STATUS_SUCCESS && loadorder == LO_DEFAULT &&
1912 (MODULE_InitDLL( *pwm, DLL_WINE_PREATTACH, NULL ) != STATUS_SUCCESS))
1913 {
1914 /* stub-only dll, try native */
1915 TRACE( "%s pre-attach returned FALSE, preferring native\n", debugstr_w(filename) );
1916 LdrUnloadDll( (*pwm)->ldr.BaseAddress );
1917 nts = STATUS_DLL_NOT_FOUND;
1918 }
1919 if (nts == STATUS_DLL_NOT_FOUND && loadorder != LO_BUILTIN)
1920 nts = load_native_dll( load_path, filename, handle, flags, pwm );
1921 break;
1922 }
1923
1924 if (nts == STATUS_SUCCESS)
1925 {
1926 /* Initialize DLL just loaded */
1927 TRACE("Loaded module %s (%s) at %p\n", debugstr_w(filename),
1928 ((*pwm)->ldr.Flags & LDR_WINE_INTERNAL) ? "builtin" : "native",
1929 (*pwm)->ldr.BaseAddress);
1930 if (handle) NtClose( handle );
1931 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
1932 return nts;
1933 }
1934
1935 WARN("Failed to load module %s; status=%x\n", debugstr_w(libname), nts);
1936 if (handle) NtClose( handle );
1937 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
1938 return nts;
1939 }
1940
1941 /******************************************************************
1942 * LdrLoadDll (NTDLL.@)
1943 */
1944 NTSTATUS WINAPI LdrLoadDll(LPCWSTR path_name, DWORD flags,
1945 const UNICODE_STRING *libname, HMODULE* hModule)
1946 {
1947 WINE_MODREF *wm;
1948 NTSTATUS nts;
1949
1950 RtlEnterCriticalSection( &loader_section );
1951
1952 if (!path_name) path_name = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
1953 nts = load_dll( path_name, libname->Buffer, flags, &wm );
1954
1955 if (nts == STATUS_SUCCESS && !(wm->ldr.Flags & LDR_DONT_RESOLVE_REFS))
1956 {
1957 nts = process_attach( wm, NULL );
1958 if (nts != STATUS_SUCCESS)
1959 {
1960 LdrUnloadDll(wm->ldr.BaseAddress);
1961 wm = NULL;
1962 }
1963 }
1964 *hModule = (wm) ? wm->ldr.BaseAddress : NULL;
1965
1966 RtlLeaveCriticalSection( &loader_section );
1967 return nts;
1968 }
1969
1970
1971 /******************************************************************
1972 * LdrGetDllHandle (NTDLL.@)
1973 */
1974 NTSTATUS WINAPI LdrGetDllHandle( LPCWSTR load_path, ULONG flags, const UNICODE_STRING *name, HMODULE *base )
1975 {
1976 NTSTATUS status;
1977 WCHAR buffer[128];
1978 WCHAR *filename;
1979 ULONG size;
1980 WINE_MODREF *wm;
1981
1982 RtlEnterCriticalSection( &loader_section );
1983
1984 if (!load_path) load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
1985
1986 filename = buffer;
1987 size = sizeof(buffer);
1988 for (;;)
1989 {
1990 status = find_dll_file( load_path, name->Buffer, filename, &size, &wm, NULL );
1991 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
1992 if (status != STATUS_BUFFER_TOO_SMALL) break;
1993 /* grow the buffer and retry */
1994 if (!(filename = RtlAllocateHeap( GetProcessHeap(), 0, size )))
1995 {
1996 status = STATUS_NO_MEMORY;
1997 break;
1998 }
1999 }
2000
2001 if (status == STATUS_SUCCESS)
2002 {
2003 if (wm) *base = wm->ldr.BaseAddress;
2004 else status = STATUS_DLL_NOT_FOUND;
2005 }
2006
2007 RtlLeaveCriticalSection( &loader_section );
2008 TRACE( "%s -> %p (load path %s)\n", debugstr_us(name), status ? NULL : *base, debugstr_w(load_path) );
2009 return status;
2010 }
2011
2012
2013 /******************************************************************
2014 * LdrAddRefDll (NTDLL.@)
2015 */
2016 NTSTATUS WINAPI LdrAddRefDll( ULONG flags, HMODULE module )
2017 {
2018 NTSTATUS ret = STATUS_SUCCESS;
2019 WINE_MODREF *wm;
2020
2021 if (flags) FIXME( "%p flags %x not implemented\n", module, flags );
2022
2023 RtlEnterCriticalSection( &loader_section );
2024
2025 if ((wm = get_modref( module )))
2026 {
2027 if (wm->ldr.LoadCount != -1) wm->ldr.LoadCount++;
2028 TRACE( "(%s) ldr.LoadCount: %d\n", debugstr_w(wm->ldr.BaseDllName.Buffer), wm->ldr.LoadCount );
2029 }
2030 else ret = STATUS_INVALID_PARAMETER;
2031
2032 RtlLeaveCriticalSection( &loader_section );
2033 return ret;
2034 }
2035
2036
2037 /***********************************************************************
2038 * LdrProcessRelocationBlock (NTDLL.@)
2039 *
2040 * Apply relocations to a given page of a mapped PE image.
2041 */
2042 IMAGE_BASE_RELOCATION * WINAPI LdrProcessRelocationBlock( void *page, UINT count,
2043 USHORT *relocs, INT delta )
2044 {
2045 while (count--)
2046 {
2047 USHORT offset = *relocs & 0xfff;
2048 int type = *relocs >> 12;
2049 switch(type)
2050 {
2051 case IMAGE_REL_BASED_ABSOLUTE:
2052 break;
2053 case IMAGE_REL_BASED_HIGH:
2054 *(short *)((char *)page + offset) += HIWORD(delta);
2055 break;
2056 case IMAGE_REL_BASED_LOW:
2057 *(short *)((char *)page + offset) += LOWORD(delta);
2058 break;
2059 case IMAGE_REL_BASED_HIGHLOW:
2060 *(int *)((char *)page + offset) += delta;
2061 break;
2062 default:
2063 FIXME("Unknown/unsupported fixup type %x.\n", type);
2064 return NULL;
2065 }
2066 relocs++;
2067 }
2068 return (IMAGE_BASE_RELOCATION *)relocs; /* return address of next block */
2069 }
2070
2071
2072 /******************************************************************
2073 * LdrQueryProcessModuleInformation
2074 *
2075 */
2076 NTSTATUS WINAPI LdrQueryProcessModuleInformation(PSYSTEM_MODULE_INFORMATION smi,
2077 ULONG buf_size, ULONG* req_size)
2078 {
2079 SYSTEM_MODULE* sm = &smi->Modules[0];
2080 ULONG size = sizeof(ULONG);
2081 NTSTATUS nts = STATUS_SUCCESS;
2082 ANSI_STRING str;
2083 char* ptr;
2084 PLIST_ENTRY mark, entry;
2085 PLDR_MODULE mod;
2086 WORD id = 0;
2087
2088 smi->ModulesCount = 0;
2089
2090 RtlEnterCriticalSection( &loader_section );
2091 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
2092 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
2093 {
2094 mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
2095 size += sizeof(*sm);
2096 if (size <= buf_size)
2097 {
2098 sm->Reserved1 = 0; /* FIXME */
2099 sm->Reserved2 = 0; /* FIXME */
2100 sm->ImageBaseAddress = mod->BaseAddress;
2101 sm->ImageSize = mod->SizeOfImage;
2102 sm->Flags = mod->Flags;
2103 sm->Id = id++;
2104 sm->Rank = 0; /* FIXME */
2105 sm->Unknown = 0; /* FIXME */
2106 str.Length = 0;
2107 str.MaximumLength = MAXIMUM_FILENAME_LENGTH;
2108 str.Buffer = (char*)sm->Name;
2109 RtlUnicodeStringToAnsiString(&str, &mod->FullDllName, FALSE);
2110 ptr = strrchr(str.Buffer, '\\');
2111 sm->NameOffset = (ptr != NULL) ? (ptr - str.Buffer + 1) : 0;
2112
2113 smi->ModulesCount++;
2114 sm++;
2115 }
2116 else nts = STATUS_INFO_LENGTH_MISMATCH;
2117 }
2118 RtlLeaveCriticalSection( &loader_section );
2119
2120 if (req_size) *req_size = size;
2121
2122 return nts;
2123 }
2124
2125
2126 /******************************************************************
2127 * RtlDllShutdownInProgress (NTDLL.@)
2128 */
2129 BOOLEAN WINAPI RtlDllShutdownInProgress(void)
2130 {
2131 return process_detaching;
2132 }
2133
2134
2135 /******************************************************************
2136 * LdrShutdownProcess (NTDLL.@)
2137 *
2138 */
2139 void WINAPI LdrShutdownProcess(void)
2140 {
2141 TRACE("()\n");
2142 process_detach( TRUE, (LPVOID)1 );
2143 }
2144
2145 /******************************************************************
2146 * LdrShutdownThread (NTDLL.@)
2147 *
2148 */
2149 void WINAPI LdrShutdownThread(void)
2150 {
2151 PLIST_ENTRY mark, entry;
2152 PLDR_MODULE mod;
2153
2154 TRACE("()\n");
2155
2156 /* don't do any detach calls if process is exiting */
2157 if (process_detaching) return;
2158 /* FIXME: there is still a race here */
2159
2160 RtlEnterCriticalSection( &loader_section );
2161
2162 mark = &NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList;
2163 for (entry = mark->Blink; entry != mark; entry = entry->Blink)
2164 {
2165 mod = CONTAINING_RECORD(entry, LDR_MODULE,
2166 InInitializationOrderModuleList);
2167 if ( !(mod->Flags & LDR_PROCESS_ATTACHED) )
2168 continue;
2169 if ( mod->Flags & LDR_NO_DLL_CALLS )
2170 continue;
2171
2172 MODULE_InitDLL( CONTAINING_RECORD(mod, WINE_MODREF, ldr),
2173 DLL_THREAD_DETACH, NULL );
2174 }
2175
2176 RtlLeaveCriticalSection( &loader_section );
2177 RtlFreeHeap( GetProcessHeap(), 0, NtCurrentTeb()->ThreadLocalStoragePointer );
2178 }
2179
2180
2181 /***********************************************************************
2182 * free_modref
2183 *
2184 */
2185 static void free_modref( WINE_MODREF *wm )
2186 {
2187 RemoveEntryList(&wm->ldr.InLoadOrderModuleList);
2188 RemoveEntryList(&wm->ldr.InMemoryOrderModuleList);
2189 if (wm->ldr.InInitializationOrderModuleList.Flink)
2190 RemoveEntryList(&wm->ldr.InInitializationOrderModuleList);
2191
2192 TRACE(" unloading %s\n", debugstr_w(wm->ldr.FullDllName.Buffer));
2193 if (!TRACE_ON(module))
2194 TRACE_(loaddll)("Unloaded module %s : %s\n",
2195 debugstr_w(wm->ldr.FullDllName.Buffer),
2196 (wm->ldr.Flags & LDR_WINE_INTERNAL) ? "builtin" : "native" );
2197
2198 SERVER_START_REQ( unload_dll )
2199 {
2200 req->base = wm->ldr.BaseAddress;
2201 wine_server_call( req );
2202 }
2203 SERVER_END_REQ;
2204
2205 RtlReleaseActivationContext( wm->ldr.ActivationContext );
2206 NtUnmapViewOfSection( NtCurrentProcess(), wm->ldr.BaseAddress );
2207 if (wm->ldr.Flags & LDR_WINE_INTERNAL) wine_dll_unload( wm->ldr.SectionHandle );
2208 if (cached_modref == wm) cached_modref = NULL;
2209 RtlFreeUnicodeString( &wm->ldr.FullDllName );
2210 RtlFreeHeap( GetProcessHeap(), 0, wm->deps );
2211 RtlFreeHeap( GetProcessHeap(), 0, wm );
2212 }
2213
2214 /***********************************************************************
2215 * MODULE_FlushModrefs
2216 *
2217 * Remove all unused modrefs and call the internal unloading routines
2218 * for the library type.
2219 *
2220 * The loader_section must be locked while calling this function.
2221 */
2222 static void MODULE_FlushModrefs(void)
2223 {
2224 PLIST_ENTRY mark, entry, prev;
2225 PLDR_MODULE mod;
2226 WINE_MODREF*wm;
2227
2228 mark = &NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList;
2229 for (entry = mark->Blink; entry != mark; entry = prev)
2230 {
2231 mod = CONTAINING_RECORD(entry, LDR_MODULE, InInitializationOrderModuleList);
2232 wm = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
2233 prev = entry->Blink;
2234 if (!mod->LoadCount) free_modref( wm );
2235 }
2236
2237 /* check load order list too for modules that haven't been initialized yet */
2238 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
2239 for (entry = mark->Blink; entry != mark; entry = prev)
2240 {
2241 mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
2242 wm = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
2243 prev = entry->Blink;
2244 if (!mod->LoadCount) free_modref( wm );
2245 }
2246 }
2247
2248 /***********************************************************************
2249 * MODULE_DecRefCount
2250 *
2251 * The loader_section must be locked while calling this function.
2252 */
2253 static void MODULE_DecRefCount( WINE_MODREF *wm )
2254 {
2255 int i;
2256
2257 if ( wm->ldr.Flags & LDR_UNLOAD_IN_PROGRESS )
2258 return;
2259
2260 if ( wm->ldr.LoadCount <= 0 )
2261 return;
2262
2263 --wm->ldr.LoadCount;
2264 TRACE("(%s) ldr.LoadCount: %d\n", debugstr_w(wm->ldr.BaseDllName.Buffer), wm->ldr.LoadCount );
2265
2266 if ( wm->ldr.LoadCount == 0 )
2267 {
2268 wm->ldr.Flags |= LDR_UNLOAD_IN_PROGRESS;
2269
2270 for ( i = 0; i < wm->nDeps; i++ )
2271 if ( wm->deps[i] )
2272 MODULE_DecRefCount( wm->deps[i] );
2273
2274 wm->ldr.Flags &= ~LDR_UNLOAD_IN_PROGRESS;
2275 }
2276 }
2277
2278 /******************************************************************
2279 * LdrUnloadDll (NTDLL.@)
2280 *
2281 *
2282 */
2283 NTSTATUS WINAPI LdrUnloadDll( HMODULE hModule )
2284 {
2285 NTSTATUS retv = STATUS_SUCCESS;
2286
2287 TRACE("(%p)\n", hModule);
2288
2289 RtlEnterCriticalSection( &loader_section );
2290
2291 /* if we're stopping the whole process (and forcing the removal of all
2292 * DLLs) the library will be freed anyway
2293 */
2294 if (!process_detaching)
2295 {
2296 WINE_MODREF *wm;
2297
2298 free_lib_count++;
2299 if ((wm = get_modref( hModule )) != NULL)
2300 {
2301 TRACE("(%s) - START\n", debugstr_w(wm->ldr.BaseDllName.Buffer));
2302
2303 /* Recursively decrement reference counts */
2304 MODULE_DecRefCount( wm );
2305
2306 /* Call process detach notifications */
2307 if ( free_lib_count <= 1 )
2308 {
2309 process_detach( FALSE, NULL );
2310 MODULE_FlushModrefs();
2311 }
2312
2313 TRACE("END\n");
2314 }
2315 else
2316 retv = STATUS_DLL_NOT_FOUND;
2317
2318 free_lib_count--;
2319 }
2320
2321 RtlLeaveCriticalSection( &loader_section );
2322
2323 return retv;
2324 }
2325
2326 /***********************************************************************
2327 * RtlImageNtHeader (NTDLL.@)
2328 */
2329 PIMAGE_NT_HEADERS WINAPI RtlImageNtHeader(HMODULE hModule)
2330 {
2331 IMAGE_NT_HEADERS *ret;
2332
2333 __TRY
2334 {
2335 IMAGE_DOS_HEADER *dos = (IMAGE_DOS_HEADER *)hModule;
2336
2337 ret = NULL;
2338 if (dos->e_magic == IMAGE_DOS_SIGNATURE)
2339 {
2340 ret = (IMAGE_NT_HEADERS *)((char *)dos + dos->e_lfanew);
2341 if (ret->Signature != IMAGE_NT_SIGNATURE) ret = NULL;
2342 }
2343 }
2344 __EXCEPT_PAGE_FAULT
2345 {
2346 return NULL;
2347 }
2348 __ENDTRY
2349 return ret;
2350 }
2351
2352
2353 /***********************************************************************
2354 * attach_process_dlls
2355 *
2356 * Initial attach to all the dlls loaded by the process.
2357 */
2358 static NTSTATUS attach_process_dlls( void *wm )
2359 {
2360 NTSTATUS status;
2361
2362 pthread_functions.sigprocmask( SIG_UNBLOCK, &server_block_set, NULL );
2363
2364 RtlEnterCriticalSection( &loader_section );
2365 if ((status = process_attach( wm, (LPVOID)1 )) != STATUS_SUCCESS)
2366 {
2367 if (last_failed_modref)
2368 ERR( "%s failed to initialize, aborting\n",
2369 debugstr_w(last_failed_modref->ldr.BaseDllName.Buffer) + 1 );
2370 return status;
2371 }
2372 attach_implicitly_loaded_dlls( (LPVOID)1 );
2373 RtlLeaveCriticalSection( &loader_section );
2374 return status;
2375 }
2376
2377
2378 /******************************************************************
2379 * LdrInitializeThunk (NTDLL.@)
2380 *
2381 */
2382 void WINAPI LdrInitializeThunk( ULONG unknown1, ULONG unknown2, ULONG unknown3, ULONG unknown4 )
2383 {
2384 NTSTATUS status;
2385 WINE_MODREF *wm;
2386 LPCWSTR load_path;
2387 SIZE_T stack_size;
2388 PEB *peb = NtCurrentTeb()->Peb;
2389 IMAGE_NT_HEADERS *nt = RtlImageNtHeader( peb->ImageBaseAddress );
2390
2391 if (main_exe_file) NtClose( main_exe_file ); /* at this point the main module is created */
2392
2393 /* allocate the modref for the main exe (if not already done) */
2394 wm = get_modref( peb->ImageBaseAddress );
2395 assert( wm );
2396 if (wm->ldr.Flags & LDR_IMAGE_IS_DLL)
2397 {
2398 ERR("%s is a dll, not an executable\n", debugstr_w(wm->ldr.FullDllName.Buffer) );
2399 exit(1);
2400 }
2401
2402 peb->LoaderLock = &loader_section;
2403 peb->ProcessParameters->ImagePathName = wm->ldr.FullDllName;
2404 version_init( wm->ldr.FullDllName.Buffer );
2405
2406 /* the main exe needs to be the first in the load order list */
2407 RemoveEntryList( &wm->ldr.InLoadOrderModuleList );
2408 InsertHeadList( &peb->LdrData->InLoadOrderModuleList, &wm->ldr.InLoadOrderModuleList );
2409
2410 stack_size = max( nt->OptionalHeader.SizeOfStackReserve, nt->OptionalHeader.SizeOfStackCommit );
2411 if (stack_size < 1024 * 1024) stack_size = 1024 * 1024; /* Xlib needs a large stack */
2412
2413 if ((status = virtual_alloc_thread_stack( NULL, stack_size )) != STATUS_SUCCESS) goto error;
2414 if ((status = server_init_process_done()) != STATUS_SUCCESS) goto error;
2415
2416 actctx_init();
2417 load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
2418 if ((status = fixup_imports( wm, load_path )) != STATUS_SUCCESS) goto error;
2419 if ((status = alloc_process_tls()) != STATUS_SUCCESS) goto error;
2420 if ((status = alloc_thread_tls()) != STATUS_SUCCESS) goto error;
2421 if (nt->FileHeader.Characteristics & IMAGE_FILE_LARGE_ADDRESS_AWARE) VIRTUAL_UseLargeAddressSpace();
2422
2423 status = wine_call_on_stack( attach_process_dlls, wm, NtCurrentTeb()->Tib.StackBase );
2424 if (status != STATUS_SUCCESS) goto error;
2425
2426 virtual_clear_thread_stack();
2427 return;
2428
2429 error:
2430 ERR( "Main exe initialization for %s failed, status %x\n",
2431 debugstr_w(peb->ProcessParameters->ImagePathName.Buffer), status );
2432 NtTerminateProcess( GetCurrentProcess(), status );
2433 }
2434
2435
2436 /***********************************************************************
2437 * RtlImageDirectoryEntryToData (NTDLL.@)
2438 */
2439 PVOID WINAPI RtlImageDirectoryEntryToData( HMODULE module, BOOL image, WORD dir, ULONG *size )
2440 {
2441 const IMAGE_NT_HEADERS *nt;
2442 DWORD addr;
2443
2444 if ((ULONG_PTR)module & 1) /* mapped as data file */
2445 {
2446 module = (HMODULE)((ULONG_PTR)module & ~1);
2447 image = FALSE;
2448 }
2449 if (!(nt = RtlImageNtHeader( module ))) return NULL;
2450 if (dir >= nt->OptionalHeader.NumberOfRvaAndSizes) return NULL;
2451 if (!(addr = nt->OptionalHeader.DataDirectory[dir].VirtualAddress)) return NULL;
2452 *size = nt->OptionalHeader.DataDirectory[dir].Size;
2453 if (image || addr < nt->OptionalHeader.SizeOfHeaders) return (char *)module + addr;
2454
2455 /* not mapped as image, need to find the section containing the virtual address */
2456 return RtlImageRvaToVa( nt, module, addr, NULL );
2457 }
2458
2459
2460 /***********************************************************************
2461 * RtlImageRvaToSection (NTDLL.@)
2462 */
2463 PIMAGE_SECTION_HEADER WINAPI RtlImageRvaToSection( const IMAGE_NT_HEADERS *nt,
2464 HMODULE module, DWORD rva )
2465 {
2466 int i;
2467 const IMAGE_SECTION_HEADER *sec;
2468
2469 sec = (const IMAGE_SECTION_HEADER*)((const char*)&nt->OptionalHeader +
2470 nt->FileHeader.SizeOfOptionalHeader);
2471 for (i = 0; i < nt->FileHeader.NumberOfSections; i++, sec++)
2472 {
2473 if ((sec->VirtualAddress <= rva) && (sec->VirtualAddress + sec->SizeOfRawData > rva))
2474 return (PIMAGE_SECTION_HEADER)sec;
2475 }
2476 return NULL;
2477 }
2478
2479
2480 /***********************************************************************
2481 * RtlImageRvaToVa (NTDLL.@)
2482 */
2483 PVOID WINAPI RtlImageRvaToVa( const IMAGE_NT_HEADERS *nt, HMODULE module,
2484 DWORD rva, IMAGE_SECTION_HEADER **section )
2485 {
2486 IMAGE_SECTION_HEADER *sec;
2487
2488 if (section && *section) /* try this section first */
2489 {
2490 sec = *section;
2491 if ((sec->VirtualAddress <= rva) && (sec->VirtualAddress + sec->SizeOfRawData > rva))
2492 goto found;
2493 }
2494 if (!(sec = RtlImageRvaToSection( nt, module, rva ))) return NULL;
2495 found:
2496 if (section) *section = sec;
2497 return (char *)module + sec->PointerToRawData + (rva - sec->VirtualAddress);
2498 }
2499
2500
2501 /***********************************************************************
2502 * RtlPcToFileHeader (NTDLL.@)
2503 */
2504 PVOID WINAPI RtlPcToFileHeader( PVOID pc, PVOID *address )
2505 {
2506 LDR_MODULE *module;
2507 PVOID ret = NULL;
2508
2509 RtlEnterCriticalSection( &loader_section );
2510 if (!LdrFindEntryForAddress( pc, &module )) ret = module->BaseAddress;
2511 RtlLeaveCriticalSection( &loader_section );
2512 *address = ret;
2513 return ret;
2514 }
2515
2516
2517 /***********************************************************************
2518 * NtLoadDriver (NTDLL.@)
2519 * ZwLoadDriver (NTDLL.@)
2520 */
2521 NTSTATUS WINAPI NtLoadDriver( const UNICODE_STRING *DriverServiceName )
2522 {
2523 FIXME("(%p), stub!\n",DriverServiceName);
2524 return STATUS_NOT_IMPLEMENTED;
2525 }
2526
2527
2528 /***********************************************************************
2529 * NtUnloadDriver (NTDLL.@)
2530 * ZwUnloadDriver (NTDLL.@)
2531 */
2532 NTSTATUS WINAPI NtUnloadDriver( const UNICODE_STRING *DriverServiceName )
2533 {
2534 FIXME("(%p), stub!\n",DriverServiceName);
2535 return STATUS_NOT_IMPLEMENTED;
2536 }
2537
2538
2539 /******************************************************************
2540 * DllMain (NTDLL.@)
2541 */
2542 BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
2543 {
2544 if (reason == DLL_PROCESS_ATTACH) LdrDisableThreadCalloutsForDll( inst );
2545 return TRUE;
2546 }
2547
2548
2549 /******************************************************************
2550 * __wine_init_windows_dir (NTDLL.@)
2551 *
2552 * Windows and system dir initialization once kernel32 has been loaded.
2553 */
2554 void __wine_init_windows_dir( const WCHAR *windir, const WCHAR *sysdir )
2555 {
2556 PLIST_ENTRY mark, entry;
2557 LPWSTR buffer, p;
2558
2559 RtlCreateUnicodeString( &windows_dir, windir );
2560 RtlCreateUnicodeString( &system_dir, sysdir );
2561 strcpyW( user_shared_data->NtSystemRoot, windir );
2562
2563 /* prepend the system dir to the name of the already created modules */
2564 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
2565 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
2566 {
2567 LDR_MODULE *mod = CONTAINING_RECORD( entry, LDR_MODULE, InLoadOrderModuleList );
2568
2569 assert( mod->Flags & LDR_WINE_INTERNAL );
2570
2571 buffer = RtlAllocateHeap( GetProcessHeap(), 0,
2572 system_dir.Length + mod->FullDllName.Length + 2*sizeof(WCHAR) );
2573 if (!buffer) continue;
2574 strcpyW( buffer, system_dir.Buffer );
2575 p = buffer + strlenW( buffer );
2576 if (p > buffer && p[-1] != '\\') *p++ = '\\';
2577 strcpyW( p, mod->FullDllName.Buffer );
2578 RtlInitUnicodeString( &mod->FullDllName, buffer );
2579 RtlInitUnicodeString( &mod->BaseDllName, p );
2580 }
2581 }
2582
2583
2584 /***********************************************************************
2585 * __wine_process_init
2586 */
2587 void __wine_process_init(void)
2588 {
2589 static const WCHAR kernel32W[] = {'k','e','r','n','e','l','3','2','.','d','l','l',0};
2590
2591 WINE_MODREF *wm;
2592 NTSTATUS status;
2593 ANSI_STRING func_name;
2594 void (* DECLSPEC_NORETURN init_func)(void);
2595 extern mode_t FILE_umask;
2596
2597 main_exe_file = thread_init();
2598
2599 /* retrieve current umask */
2600 FILE_umask = umask(0777);
2601 umask( FILE_umask );
2602
2603 /* setup the load callback and create ntdll modref */
2604 wine_dll_set_callback( load_builtin_callback );
2605
2606 if ((status = load_builtin_dll( NULL, kernel32W, 0, 0, &wm )) != STATUS_SUCCESS)
2607 {
2608 MESSAGE( "wine: could not load kernel32.dll, status %x\n", status );
2609 exit(1);
2610 }
2611 RtlInitAnsiString( &func_name, "UnhandledExceptionFilter" );
2612 LdrGetProcedureAddress( wm->ldr.BaseAddress, &func_name, 0, (void **)&unhandled_exception_filter );
2613
2614 RtlInitAnsiString( &func_name, "__wine_kernel_init" );
2615 if ((status = LdrGetProcedureAddress( wm->ldr.BaseAddress, &func_name,
2616 0, (void **)&init_func )) != STATUS_SUCCESS)
2617 {
2618 MESSAGE( "wine: could not find __wine_kernel_init in kernel32.dll, status %x\n", status );
2619 exit(1);
2620 }
2621 init_func();
2622 }
useful hacks and other patches not (yet) suitable for mainline