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winex11: Silence a harmless error.
[wine/hacks.git] / dlls / ntdll / loader.c
blobb0000b8704df6661afc9b7894349d2e369bc11fa
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->FileHeader.Characteristics & IMAGE_FILE_DLL)
719 {
720 wm->ldr.Flags |= LDR_IMAGE_IS_DLL;
721 if (nt->OptionalHeader.AddressOfEntryPoint)
722 wm->ldr.EntryPoint = (char *)hModule + nt->OptionalHeader.AddressOfEntryPoint;
723 }
724
725 InsertTailList(&NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList,
726 &wm->ldr.InLoadOrderModuleList);
727
728 /* insert module in MemoryList, sorted in increasing base addresses */
729 mark = &NtCurrentTeb()->Peb->LdrData->InMemoryOrderModuleList;
730 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
731 {
732 if (CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList)->BaseAddress > wm->ldr.BaseAddress)
733 break;
734 }
735 entry->Blink->Flink = &wm->ldr.InMemoryOrderModuleList;
736 wm->ldr.InMemoryOrderModuleList.Blink = entry->Blink;
737 wm->ldr.InMemoryOrderModuleList.Flink = entry;
738 entry->Blink = &wm->ldr.InMemoryOrderModuleList;
739
740 /* wait until init is called for inserting into this list */
741 wm->ldr.InInitializationOrderModuleList.Flink = NULL;
742 wm->ldr.InInitializationOrderModuleList.Blink = NULL;
743
744 if (!(nt->OptionalHeader.DllCharacteristics & IMAGE_DLLCHARACTERISTICS_NX_COMPAT))
745 {
746 WARN( "disabling no-exec because of %s\n", debugstr_w(wm->ldr.BaseDllName.Buffer) );
747 VIRTUAL_SetForceExec( TRUE );
748 }
749 return wm;
750 }
751
752
753 /*************************************************************************
754 * alloc_process_tls
755 *
756 * Allocate the process-wide structure for module TLS storage.
757 */
758 static NTSTATUS alloc_process_tls(void)
759 {
760 PLIST_ENTRY mark, entry;
761 PLDR_MODULE mod;
762 const IMAGE_TLS_DIRECTORY *dir;
763 ULONG size, i;
764
765 mark = &NtCurrentTeb()->Peb->LdrData->InMemoryOrderModuleList;
766 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
767 {
768 mod = CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList);
769 if (!(dir = RtlImageDirectoryEntryToData( mod->BaseAddress, TRUE,
770 IMAGE_DIRECTORY_ENTRY_TLS, &size )))
771 continue;
772 size = (dir->EndAddressOfRawData - dir->StartAddressOfRawData) + dir->SizeOfZeroFill;
773 if (!size) continue;
774 tls_total_size += size;
775 tls_module_count++;
776 }
777 if (!tls_module_count) return STATUS_SUCCESS;
778
779 TRACE( "count %u size %u\n", tls_module_count, tls_total_size );
780
781 tls_dirs = RtlAllocateHeap( GetProcessHeap(), 0, tls_module_count * sizeof(*tls_dirs) );
782 if (!tls_dirs) return STATUS_NO_MEMORY;
783
784 for (i = 0, entry = mark->Flink; entry != mark; entry = entry->Flink)
785 {
786 mod = CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList);
787 if (!(dir = RtlImageDirectoryEntryToData( mod->BaseAddress, TRUE,
788 IMAGE_DIRECTORY_ENTRY_TLS, &size )))
789 continue;
790 tls_dirs[i] = dir;
791 *(DWORD *)dir->AddressOfIndex = i;
792 mod->TlsIndex = i;
793 mod->LoadCount = -1; /* can't unload it */
794 i++;
795 }
796 return STATUS_SUCCESS;
797 }
798
799
800 /*************************************************************************
801 * alloc_thread_tls
802 *
803 * Allocate the per-thread structure for module TLS storage.
804 */
805 static NTSTATUS alloc_thread_tls(void)
806 {
807 void **pointers;
808 char *data;
809 UINT i;
810
811 if (!tls_module_count) return STATUS_SUCCESS;
812
813 if (!(pointers = RtlAllocateHeap( GetProcessHeap(), 0,
814 tls_module_count * sizeof(*pointers) )))
815 return STATUS_NO_MEMORY;
816
817 if (!(data = RtlAllocateHeap( GetProcessHeap(), 0, tls_total_size )))
818 {
819 RtlFreeHeap( GetProcessHeap(), 0, pointers );
820 return STATUS_NO_MEMORY;
821 }
822
823 for (i = 0; i < tls_module_count; i++)
824 {
825 const IMAGE_TLS_DIRECTORY *dir = tls_dirs[i];
826 ULONG size = dir->EndAddressOfRawData - dir->StartAddressOfRawData;
827
828 TRACE( "thread %04x idx %d: %d/%d bytes from %p to %p\n",
829 GetCurrentThreadId(), i, size, dir->SizeOfZeroFill,
830 (void *)dir->StartAddressOfRawData, data );
831
832 pointers[i] = data;
833 memcpy( data, (void *)dir->StartAddressOfRawData, size );
834 data += size;
835 memset( data, 0, dir->SizeOfZeroFill );
836 data += dir->SizeOfZeroFill;
837 }
838 NtCurrentTeb()->ThreadLocalStoragePointer = pointers;
839 return STATUS_SUCCESS;
840 }
841
842
843 /*************************************************************************
844 * call_tls_callbacks
845 */
846 static void call_tls_callbacks( HMODULE module, UINT reason )
847 {
848 const IMAGE_TLS_DIRECTORY *dir;
849 const PIMAGE_TLS_CALLBACK *callback;
850 ULONG dirsize;
851
852 dir = RtlImageDirectoryEntryToData( module, TRUE, IMAGE_DIRECTORY_ENTRY_TLS, &dirsize );
853 if (!dir || !dir->AddressOfCallBacks) return;
854
855 for (callback = (const PIMAGE_TLS_CALLBACK *)dir->AddressOfCallBacks; *callback; callback++)
856 {
857 if (TRACE_ON(relay))
858 DPRINTF("%04x:Call TLS callback (proc=%p,module=%p,reason=%s,reserved=0)\n",
859 GetCurrentThreadId(), *callback, module, reason_names[reason] );
860 __TRY
861 {
862 (*callback)( module, reason, NULL );
863 }
864 __EXCEPT_ALL
865 {
866 if (TRACE_ON(relay))
867 DPRINTF("%04x:exception in TLS callback (proc=%p,module=%p,reason=%s,reserved=0)\n",
868 GetCurrentThreadId(), callback, module, reason_names[reason] );
869 return;
870 }
871 __ENDTRY
872 if (TRACE_ON(relay))
873 DPRINTF("%04x:Ret TLS callback (proc=%p,module=%p,reason=%s,reserved=0)\n",
874 GetCurrentThreadId(), *callback, module, reason_names[reason] );
875 }
876 }
877
878
879 /*************************************************************************
880 * MODULE_InitDLL
881 */
882 static NTSTATUS MODULE_InitDLL( WINE_MODREF *wm, UINT reason, LPVOID lpReserved )
883 {
884 WCHAR mod_name[32];
885 NTSTATUS status = STATUS_SUCCESS;
886 DLLENTRYPROC entry = wm->ldr.EntryPoint;
887 void *module = wm->ldr.BaseAddress;
888 BOOL retv = TRUE;
889
890 /* Skip calls for modules loaded with special load flags */
891
892 if (wm->ldr.Flags & LDR_DONT_RESOLVE_REFS) return STATUS_SUCCESS;
893 if (wm->ldr.TlsIndex != -1) call_tls_callbacks( wm->ldr.BaseAddress, reason );
894 if (!entry) return STATUS_SUCCESS;
895
896 if (TRACE_ON(relay))
897 {
898 size_t len = min( wm->ldr.BaseDllName.Length, sizeof(mod_name)-sizeof(WCHAR) );
899 memcpy( mod_name, wm->ldr.BaseDllName.Buffer, len );
900 mod_name[len / sizeof(WCHAR)] = 0;
901 DPRINTF("%04x:Call PE DLL (proc=%p,module=%p %s,reason=%s,res=%p)\n",
902 GetCurrentThreadId(), entry, module, debugstr_w(mod_name),
903 reason_names[reason], lpReserved );
904 }
905 else TRACE("(%p %s,%s,%p) - CALL\n", module, debugstr_w(wm->ldr.BaseDllName.Buffer),
906 reason_names[reason], lpReserved );
907
908 __TRY
909 {
910 retv = call_dll_entry_point( entry, module, reason, lpReserved );
911 if (!retv)
912 status = STATUS_DLL_INIT_FAILED;
913 }
914 __EXCEPT_ALL
915 {
916 if (TRACE_ON(relay))
917 DPRINTF("%04x:exception in PE entry point (proc=%p,module=%p,reason=%s,res=%p)\n",
918 GetCurrentThreadId(), entry, module, reason_names[reason], lpReserved );
919 status = GetExceptionCode();
920 }
921 __ENDTRY
922
923 /* The state of the module list may have changed due to the call
924 to the dll. We cannot assume that this module has not been
925 deleted. */
926 if (TRACE_ON(relay))
927 DPRINTF("%04x:Ret PE DLL (proc=%p,module=%p %s,reason=%s,res=%p) retval=%x\n",
928 GetCurrentThreadId(), entry, module, debugstr_w(mod_name),
929 reason_names[reason], lpReserved, retv );
930 else TRACE("(%p,%s,%p) - RETURN %d\n", module, reason_names[reason], lpReserved, retv );
931
932 return status;
933 }
934
935
936 /*************************************************************************
937 * process_attach
938 *
939 * Send the process attach notification to all DLLs the given module
940 * depends on (recursively). This is somewhat complicated due to the fact that
941 *
942 * - we have to respect the module dependencies, i.e. modules implicitly
943 * referenced by another module have to be initialized before the module
944 * itself can be initialized
945 *
946 * - the initialization routine of a DLL can itself call LoadLibrary,
947 * thereby introducing a whole new set of dependencies (even involving
948 * the 'old' modules) at any time during the whole process
949 *
950 * (Note that this routine can be recursively entered not only directly
951 * from itself, but also via LoadLibrary from one of the called initialization
952 * routines.)
953 *
954 * Furthermore, we need to rearrange the main WINE_MODREF list to allow
955 * the process *detach* notifications to be sent in the correct order.
956 * This must not only take into account module dependencies, but also
957 * 'hidden' dependencies created by modules calling LoadLibrary in their
958 * attach notification routine.
959 *
960 * The strategy is rather simple: we move a WINE_MODREF to the head of the
961 * list after the attach notification has returned. This implies that the
962 * detach notifications are called in the reverse of the sequence the attach
963 * notifications *returned*.
964 *
965 * The loader_section must be locked while calling this function.
966 */
967 static NTSTATUS process_attach( WINE_MODREF *wm, LPVOID lpReserved )
968 {
969 NTSTATUS status = STATUS_SUCCESS;
970 ULONG_PTR cookie;
971 int i;
972
973 if (process_detaching) return status;
974
975 /* prevent infinite recursion in case of cyclical dependencies */
976 if ( ( wm->ldr.Flags & LDR_LOAD_IN_PROGRESS )
977 || ( wm->ldr.Flags & LDR_PROCESS_ATTACHED ) )
978 return status;
979
980 TRACE("(%s,%p) - START\n", debugstr_w(wm->ldr.BaseDllName.Buffer), lpReserved );
981
982 /* Tag current MODREF to prevent recursive loop */
983 wm->ldr.Flags |= LDR_LOAD_IN_PROGRESS;
984 if (lpReserved) wm->ldr.LoadCount = -1; /* pin it if imported by the main exe */
985 if (wm->ldr.ActivationContext) RtlActivateActivationContext( 0, wm->ldr.ActivationContext, &cookie );
986
987 /* Recursively attach all DLLs this one depends on */
988 for ( i = 0; i < wm->nDeps; i++ )
989 {
990 if (!wm->deps[i]) continue;
991 if ((status = process_attach( wm->deps[i], lpReserved )) != STATUS_SUCCESS) break;
992 }
993
994 /* Call DLL entry point */
995 if (status == STATUS_SUCCESS)
996 {
997 WINE_MODREF *prev = current_modref;
998 current_modref = wm;
999 status = MODULE_InitDLL( wm, DLL_PROCESS_ATTACH, lpReserved );
1000 if (status == STATUS_SUCCESS)
1001 wm->ldr.Flags |= LDR_PROCESS_ATTACHED;
1002 else
1003 {
1004 /* point to the name so LdrInitializeThunk can print it */
1005 last_failed_modref = wm;
1006 WARN("Initialization of %s failed\n", debugstr_w(wm->ldr.BaseDllName.Buffer));
1007 }
1008 current_modref = prev;
1009 }
1010
1011 if (!wm->ldr.InInitializationOrderModuleList.Flink)
1012 InsertTailList(&NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList,
1013 &wm->ldr.InInitializationOrderModuleList);
1014
1015 if (wm->ldr.ActivationContext) RtlDeactivateActivationContext( 0, cookie );
1016 /* Remove recursion flag */
1017 wm->ldr.Flags &= ~LDR_LOAD_IN_PROGRESS;
1018
1019 TRACE("(%s,%p) - END\n", debugstr_w(wm->ldr.BaseDllName.Buffer), lpReserved );
1020 return status;
1021 }
1022
1023
1024 /**********************************************************************
1025 * attach_implicitly_loaded_dlls
1026 *
1027 * Attach to the (builtin) dlls that have been implicitly loaded because
1028 * of a dependency at the Unix level, but not imported at the Win32 level.
1029 */
1030 static void attach_implicitly_loaded_dlls( LPVOID reserved )
1031 {
1032 for (;;)
1033 {
1034 PLIST_ENTRY mark, entry;
1035
1036 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
1037 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
1038 {
1039 LDR_MODULE *mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
1040
1041 if (mod->Flags & (LDR_LOAD_IN_PROGRESS | LDR_PROCESS_ATTACHED)) continue;
1042 TRACE( "found implicitly loaded %s, attaching to it\n",
1043 debugstr_w(mod->BaseDllName.Buffer));
1044 process_attach( CONTAINING_RECORD(mod, WINE_MODREF, ldr), reserved );
1045 break; /* restart the search from the start */
1046 }
1047 if (entry == mark) break; /* nothing found */
1048 }
1049 }
1050
1051
1052 /*************************************************************************
1053 * process_detach
1054 *
1055 * Send DLL process detach notifications. See the comment about calling
1056 * sequence at process_attach. Unless the bForceDetach flag
1057 * is set, only DLLs with zero refcount are notified.
1058 */
1059 static void process_detach( BOOL bForceDetach, LPVOID lpReserved )
1060 {
1061 PLIST_ENTRY mark, entry;
1062 PLDR_MODULE mod;
1063
1064 RtlEnterCriticalSection( &loader_section );
1065 if (bForceDetach) process_detaching = 1;
1066 mark = &NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList;
1067 do
1068 {
1069 for (entry = mark->Blink; entry != mark; entry = entry->Blink)
1070 {
1071 mod = CONTAINING_RECORD(entry, LDR_MODULE,
1072 InInitializationOrderModuleList);
1073 /* Check whether to detach this DLL */
1074 if ( !(mod->Flags & LDR_PROCESS_ATTACHED) )
1075 continue;
1076 if ( mod->LoadCount && !bForceDetach )
1077 continue;
1078
1079 /* Call detach notification */
1080 mod->Flags &= ~LDR_PROCESS_ATTACHED;
1081 MODULE_InitDLL( CONTAINING_RECORD(mod, WINE_MODREF, ldr),
1082 DLL_PROCESS_DETACH, lpReserved );
1083
1084 /* Restart at head of WINE_MODREF list, as entries might have
1085 been added and/or removed while performing the call ... */
1086 break;
1087 }
1088 } while (entry != mark);
1089
1090 RtlLeaveCriticalSection( &loader_section );
1091 }
1092
1093 /*************************************************************************
1094 * MODULE_DllThreadAttach
1095 *
1096 * Send DLL thread attach notifications. These are sent in the
1097 * reverse sequence of process detach notification.
1098 *
1099 */
1100 NTSTATUS MODULE_DllThreadAttach( LPVOID lpReserved )
1101 {
1102 PLIST_ENTRY mark, entry;
1103 PLDR_MODULE mod;
1104 NTSTATUS status;
1105
1106 /* don't do any attach calls if process is exiting */
1107 if (process_detaching) return STATUS_SUCCESS;
1108 /* FIXME: there is still a race here */
1109
1110 RtlEnterCriticalSection( &loader_section );
1111
1112 if ((status = alloc_thread_tls()) != STATUS_SUCCESS) goto done;
1113
1114 mark = &NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList;
1115 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
1116 {
1117 mod = CONTAINING_RECORD(entry, LDR_MODULE,
1118 InInitializationOrderModuleList);
1119 if ( !(mod->Flags & LDR_PROCESS_ATTACHED) )
1120 continue;
1121 if ( mod->Flags & LDR_NO_DLL_CALLS )
1122 continue;
1123
1124 MODULE_InitDLL( CONTAINING_RECORD(mod, WINE_MODREF, ldr),
1125 DLL_THREAD_ATTACH, lpReserved );
1126 }
1127
1128 done:
1129 RtlLeaveCriticalSection( &loader_section );
1130 return status;
1131 }
1132
1133 /******************************************************************
1134 * LdrDisableThreadCalloutsForDll (NTDLL.@)
1135 *
1136 */
1137 NTSTATUS WINAPI LdrDisableThreadCalloutsForDll(HMODULE hModule)
1138 {
1139 WINE_MODREF *wm;
1140 NTSTATUS ret = STATUS_SUCCESS;
1141
1142 RtlEnterCriticalSection( &loader_section );
1143
1144 wm = get_modref( hModule );
1145 if (!wm || wm->ldr.TlsIndex != -1)
1146 ret = STATUS_DLL_NOT_FOUND;
1147 else
1148 wm->ldr.Flags |= LDR_NO_DLL_CALLS;
1149
1150 RtlLeaveCriticalSection( &loader_section );
1151
1152 return ret;
1153 }
1154
1155 /******************************************************************
1156 * LdrFindEntryForAddress (NTDLL.@)
1157 *
1158 * The loader_section must be locked while calling this function
1159 */
1160 NTSTATUS WINAPI LdrFindEntryForAddress(const void* addr, PLDR_MODULE* pmod)
1161 {
1162 PLIST_ENTRY mark, entry;
1163 PLDR_MODULE mod;
1164
1165 mark = &NtCurrentTeb()->Peb->LdrData->InMemoryOrderModuleList;
1166 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
1167 {
1168 mod = CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList);
1169 if ((const void *)mod->BaseAddress <= addr &&
1170 (const char *)addr < (char*)mod->BaseAddress + mod->SizeOfImage)
1171 {
1172 *pmod = mod;
1173 return STATUS_SUCCESS;
1174 }
1175 if ((const void *)mod->BaseAddress > addr) break;
1176 }
1177 return STATUS_NO_MORE_ENTRIES;
1178 }
1179
1180 /******************************************************************
1181 * LdrLockLoaderLock (NTDLL.@)
1182 *
1183 * Note: flags are not implemented.
1184 * Flag 0x01 is used to raise exceptions on errors.
1185 * Flag 0x02 is used to avoid waiting on the section (does RtlTryEnterCriticalSection instead).
1186 */
1187 NTSTATUS WINAPI LdrLockLoaderLock( ULONG flags, ULONG *result, ULONG *magic )
1188 {
1189 if (flags) FIXME( "flags %x not supported\n", flags );
1190
1191 if (result) *result = 1;
1192 if (!magic) return STATUS_INVALID_PARAMETER_3;
1193 RtlEnterCriticalSection( &loader_section );
1194 *magic = GetCurrentThreadId();
1195 return STATUS_SUCCESS;
1196 }
1197
1198
1199 /******************************************************************
1200 * LdrUnlockLoaderUnlock (NTDLL.@)
1201 */
1202 NTSTATUS WINAPI LdrUnlockLoaderLock( ULONG flags, ULONG magic )
1203 {
1204 if (magic)
1205 {
1206 if (magic != GetCurrentThreadId()) return STATUS_INVALID_PARAMETER_2;
1207 RtlLeaveCriticalSection( &loader_section );
1208 }
1209 return STATUS_SUCCESS;
1210 }
1211
1212
1213 /******************************************************************
1214 * LdrGetProcedureAddress (NTDLL.@)
1215 */
1216 NTSTATUS WINAPI LdrGetProcedureAddress(HMODULE module, const ANSI_STRING *name,
1217 ULONG ord, PVOID *address)
1218 {
1219 IMAGE_EXPORT_DIRECTORY *exports;
1220 DWORD exp_size;
1221 NTSTATUS ret = STATUS_PROCEDURE_NOT_FOUND;
1222
1223 RtlEnterCriticalSection( &loader_section );
1224
1225 /* check if the module itself is invalid to return the proper error */
1226 if (!get_modref( module )) ret = STATUS_DLL_NOT_FOUND;
1227 else if ((exports = RtlImageDirectoryEntryToData( module, TRUE,
1228 IMAGE_DIRECTORY_ENTRY_EXPORT, &exp_size )))
1229 {
1230 LPCWSTR load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
1231 void *proc = name ? find_named_export( module, exports, exp_size, name->Buffer, -1, load_path )
1232 : find_ordinal_export( module, exports, exp_size, ord - exports->Base, load_path );
1233 if (proc)
1234 {
1235 *address = proc;
1236 ret = STATUS_SUCCESS;
1237 }
1238 }
1239
1240 RtlLeaveCriticalSection( &loader_section );
1241 return ret;
1242 }
1243
1244
1245 /***********************************************************************
1246 * is_fake_dll
1247 *
1248 * Check if a loaded native dll is a Wine fake dll.
1249 */
1250 static BOOL is_fake_dll( HANDLE handle )
1251 {
1252 static const char fakedll_signature[] = "Wine placeholder DLL";
1253 char buffer[sizeof(IMAGE_DOS_HEADER) + sizeof(fakedll_signature)];
1254 const IMAGE_DOS_HEADER *dos = (const IMAGE_DOS_HEADER *)buffer;
1255 IO_STATUS_BLOCK io;
1256 LARGE_INTEGER offset;
1257
1258 offset.QuadPart = 0;
1259 if (NtReadFile( handle, 0, NULL, 0, &io, buffer, sizeof(buffer), &offset, NULL )) return FALSE;
1260 if (io.Information < sizeof(buffer)) return FALSE;
1261 if (dos->e_magic != IMAGE_DOS_SIGNATURE) return FALSE;
1262 if (dos->e_lfanew >= sizeof(*dos) + sizeof(fakedll_signature) &&
1263 !memcmp( dos + 1, fakedll_signature, sizeof(fakedll_signature) )) return TRUE;
1264 return FALSE;
1265 }
1266
1267
1268 /***********************************************************************
1269 * get_builtin_fullname
1270 *
1271 * Build the full pathname for a builtin dll.
1272 */
1273 static WCHAR *get_builtin_fullname( const WCHAR *path, const char *filename )
1274 {
1275 static const WCHAR soW[] = {'.','s','o',0};
1276 WCHAR *p, *fullname;
1277 size_t i, len = strlen(filename);
1278
1279 /* check if path can correspond to the dll we have */
1280 if (path && (p = strrchrW( path, '\\' )))
1281 {
1282 p++;
1283 for (i = 0; i < len; i++)
1284 if (tolowerW(p[i]) != tolowerW( (WCHAR)filename[i]) ) break;
1285 if (i == len && (!p[len] || !strcmpiW( p + len, soW )))
1286 {
1287 /* the filename matches, use path as the full path */
1288 len += p - path;
1289 if ((fullname = RtlAllocateHeap( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) )))
1290 {
1291 memcpy( fullname, path, len * sizeof(WCHAR) );
1292 fullname[len] = 0;
1293 }
1294 return fullname;
1295 }
1296 }
1297
1298 if ((fullname = RtlAllocateHeap( GetProcessHeap(), 0,
1299 system_dir.MaximumLength + (len + 1) * sizeof(WCHAR) )))
1300 {
1301 memcpy( fullname, system_dir.Buffer, system_dir.Length );
1302 p = fullname + system_dir.Length / sizeof(WCHAR);
1303 if (p > fullname && p[-1] != '\\') *p++ = '\\';
1304 ascii_to_unicode( p, filename, len + 1 );
1305 }
1306 return fullname;
1307 }
1308
1309
1310 /***********************************************************************
1311 * load_builtin_callback
1312 *
1313 * Load a library in memory; callback function for wine_dll_register
1314 */
1315 static void load_builtin_callback( void *module, const char *filename )
1316 {
1317 static const WCHAR emptyW[1];
1318 void *addr;
1319 IMAGE_NT_HEADERS *nt;
1320 WINE_MODREF *wm;
1321 WCHAR *fullname;
1322 const WCHAR *load_path;
1323 SIZE_T size;
1324
1325 if (!module)
1326 {
1327 ERR("could not map image for %s\n", filename ? filename : "main exe" );
1328 return;
1329 }
1330 if (!(nt = RtlImageNtHeader( module )))
1331 {
1332 ERR( "bad module for %s\n", filename ? filename : "main exe" );
1333 builtin_load_info->status = STATUS_INVALID_IMAGE_FORMAT;
1334 return;
1335 }
1336 addr = module;
1337 size = nt->OptionalHeader.SizeOfImage;
1338 NtAllocateVirtualMemory( NtCurrentProcess(), &addr, 0, &size,
1339 MEM_SYSTEM | MEM_IMAGE, PAGE_EXECUTE_WRITECOPY );
1340 /* create the MODREF */
1341
1342 if (!(fullname = get_builtin_fullname( builtin_load_info->filename, filename )))
1343 {
1344 ERR( "can't load %s\n", filename );
1345 builtin_load_info->status = STATUS_NO_MEMORY;
1346 return;
1347 }
1348
1349 wm = alloc_module( module, fullname );
1350 RtlFreeHeap( GetProcessHeap(), 0, fullname );
1351 if (!wm)
1352 {
1353 ERR( "can't load %s\n", filename );
1354 builtin_load_info->status = STATUS_NO_MEMORY;
1355 return;
1356 }
1357 wm->ldr.Flags |= LDR_WINE_INTERNAL;
1358
1359 if (!(nt->FileHeader.Characteristics & IMAGE_FILE_DLL) &&
1360 !NtCurrentTeb()->Peb->ImageBaseAddress) /* if we already have an executable, ignore this one */
1361 {
1362 NtCurrentTeb()->Peb->ImageBaseAddress = module;
1363 }
1364 else
1365 {
1366 /* fixup imports */
1367
1368 load_path = builtin_load_info->load_path;
1369 if (!load_path) load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
1370 if (!load_path) load_path = emptyW;
1371 if (fixup_imports( wm, load_path ) != STATUS_SUCCESS)
1372 {
1373 /* the module has only be inserted in the load & memory order lists */
1374 RemoveEntryList(&wm->ldr.InLoadOrderModuleList);
1375 RemoveEntryList(&wm->ldr.InMemoryOrderModuleList);
1376 /* FIXME: free the modref */
1377 builtin_load_info->status = STATUS_DLL_NOT_FOUND;
1378 return;
1379 }
1380 }
1381
1382 builtin_load_info->wm = wm;
1383 TRACE( "loaded %s %p %p\n", filename, wm, module );
1384
1385 /* send the DLL load event */
1386
1387 SERVER_START_REQ( load_dll )
1388 {
1389 req->handle = 0;
1390 req->base = module;
1391 req->size = nt->OptionalHeader.SizeOfImage;
1392 req->dbg_offset = nt->FileHeader.PointerToSymbolTable;
1393 req->dbg_size = nt->FileHeader.NumberOfSymbols;
1394 req->name = &wm->ldr.FullDllName.Buffer;
1395 wine_server_add_data( req, wm->ldr.FullDllName.Buffer, wm->ldr.FullDllName.Length );
1396 wine_server_call( req );
1397 }
1398 SERVER_END_REQ;
1399
1400 /* setup relay debugging entry points */
1401 if (TRACE_ON(relay)) RELAY_SetupDLL( module );
1402 }
1403
1404
1405 /******************************************************************************
1406 * load_native_dll (internal)
1407 */
1408 static NTSTATUS load_native_dll( LPCWSTR load_path, LPCWSTR name, HANDLE file,
1409 DWORD flags, WINE_MODREF** pwm )
1410 {
1411 void *module;
1412 HANDLE mapping;
1413 OBJECT_ATTRIBUTES attr;
1414 LARGE_INTEGER size;
1415 IMAGE_NT_HEADERS *nt;
1416 SIZE_T len = 0;
1417 WINE_MODREF *wm;
1418 NTSTATUS status;
1419
1420 TRACE("Trying native dll %s\n", debugstr_w(name));
1421
1422 attr.Length = sizeof(attr);
1423 attr.RootDirectory = 0;
1424 attr.ObjectName = NULL;
1425 attr.Attributes = 0;
1426 attr.SecurityDescriptor = NULL;
1427 attr.SecurityQualityOfService = NULL;
1428 size.QuadPart = 0;
1429
1430 status = NtCreateSection( &mapping, STANDARD_RIGHTS_REQUIRED | SECTION_QUERY | SECTION_MAP_READ,
1431 &attr, &size, 0, SEC_IMAGE, file );
1432 if (status != STATUS_SUCCESS) return status;
1433
1434 module = NULL;
1435 status = NtMapViewOfSection( mapping, NtCurrentProcess(),
1436 &module, 0, 0, &size, &len, ViewShare, 0, PAGE_READONLY );
1437 NtClose( mapping );
1438 if (status != STATUS_SUCCESS) return status;
1439
1440 /* create the MODREF */
1441
1442 if (!(wm = alloc_module( module, name ))) return STATUS_NO_MEMORY;
1443
1444 /* fixup imports */
1445
1446 if (!(flags & DONT_RESOLVE_DLL_REFERENCES))
1447 {
1448 if ((status = fixup_imports( wm, load_path )) != STATUS_SUCCESS)
1449 {
1450 /* the module has only be inserted in the load & memory order lists */
1451 RemoveEntryList(&wm->ldr.InLoadOrderModuleList);
1452 RemoveEntryList(&wm->ldr.InMemoryOrderModuleList);
1453
1454 /* FIXME: there are several more dangling references
1455 * left. Including dlls loaded by this dll before the
1456 * failed one. Unrolling is rather difficult with the
1457 * current structure and we can leave them lying
1458 * around with no problems, so we don't care.
1459 * As these might reference our wm, we don't free it.
1460 */
1461 return status;
1462 }
1463 }
1464
1465 /* send DLL load event */
1466
1467 nt = RtlImageNtHeader( module );
1468
1469 SERVER_START_REQ( load_dll )
1470 {
1471 req->handle = file;
1472 req->base = module;
1473 req->size = nt->OptionalHeader.SizeOfImage;
1474 req->dbg_offset = nt->FileHeader.PointerToSymbolTable;
1475 req->dbg_size = nt->FileHeader.NumberOfSymbols;
1476 req->name = &wm->ldr.FullDllName.Buffer;
1477 wine_server_add_data( req, wm->ldr.FullDllName.Buffer, wm->ldr.FullDllName.Length );
1478 wine_server_call( req );
1479 }
1480 SERVER_END_REQ;
1481
1482 if ((wm->ldr.Flags & LDR_IMAGE_IS_DLL) && TRACE_ON(snoop)) SNOOP_SetupDLL( module );
1483
1484 TRACE_(loaddll)( "Loaded %s at %p: native\n", debugstr_w(wm->ldr.FullDllName.Buffer), module );
1485
1486 wm->ldr.LoadCount = 1;
1487 *pwm = wm;
1488 return STATUS_SUCCESS;
1489 }
1490
1491
1492 /***********************************************************************
1493 * load_builtin_dll
1494 */
1495 static NTSTATUS load_builtin_dll( LPCWSTR load_path, LPCWSTR path, HANDLE file,
1496 DWORD flags, WINE_MODREF** pwm )
1497 {
1498 char error[256], dllname[MAX_PATH];
1499 const WCHAR *name, *p;
1500 DWORD len, i;
1501 void *handle = NULL;
1502 struct builtin_load_info info, *prev_info;
1503
1504 /* Fix the name in case we have a full path and extension */
1505 name = path;
1506 if ((p = strrchrW( name, '\\' ))) name = p + 1;
1507 if ((p = strrchrW( name, '/' ))) name = p + 1;
1508
1509 /* load_library will modify info.status. Note also that load_library can be
1510 * called several times, if the .so file we're loading has dependencies.
1511 * info.status will gather all the errors we may get while loading all these
1512 * libraries
1513 */
1514 info.load_path = load_path;
1515 info.filename = NULL;
1516 info.status = STATUS_SUCCESS;
1517 info.wm = NULL;
1518
1519 if (file) /* we have a real file, try to load it */
1520 {
1521 UNICODE_STRING nt_name;
1522 ANSI_STRING unix_name;
1523
1524 TRACE("Trying built-in %s\n", debugstr_w(path));
1525
1526 if (!RtlDosPathNameToNtPathName_U( path, &nt_name, NULL, NULL ))
1527 return STATUS_DLL_NOT_FOUND;
1528
1529 if (wine_nt_to_unix_file_name( &nt_name, &unix_name, FILE_OPEN, FALSE ))
1530 {
1531 RtlFreeUnicodeString( &nt_name );
1532 return STATUS_DLL_NOT_FOUND;
1533 }
1534 prev_info = builtin_load_info;
1535 info.filename = nt_name.Buffer + 4; /* skip \??\ */
1536 builtin_load_info = &info;
1537 handle = wine_dlopen( unix_name.Buffer, RTLD_NOW, error, sizeof(error) );
1538 builtin_load_info = prev_info;
1539 RtlFreeUnicodeString( &nt_name );
1540 RtlFreeHeap( GetProcessHeap(), 0, unix_name.Buffer );
1541 if (!handle)
1542 {
1543 WARN( "failed to load .so lib for builtin %s: %s\n", debugstr_w(path), error );
1544 return STATUS_INVALID_IMAGE_FORMAT;
1545 }
1546 }
1547 else
1548 {
1549 int file_exists;
1550
1551 TRACE("Trying built-in %s\n", debugstr_w(name));
1552
1553 /* we don't want to depend on the current codepage here */
1554 len = strlenW( name ) + 1;
1555 if (len >= sizeof(dllname)) return STATUS_NAME_TOO_LONG;
1556 for (i = 0; i < len; i++)
1557 {
1558 if (name[i] > 127) return STATUS_DLL_NOT_FOUND;
1559 dllname[i] = (char)name[i];
1560 if (dllname[i] >= 'A' && dllname[i] <= 'Z') dllname[i] += 'a' - 'A';
1561 }
1562
1563 prev_info = builtin_load_info;
1564 builtin_load_info = &info;
1565 handle = wine_dll_load( dllname, error, sizeof(error), &file_exists );
1566 builtin_load_info = prev_info;
1567 if (!handle)
1568 {
1569 if (!file_exists)
1570 {
1571 /* The file does not exist -> WARN() */
1572 WARN("cannot open .so lib for builtin %s: %s\n", debugstr_w(name), error);
1573 return STATUS_DLL_NOT_FOUND;
1574 }
1575 /* ERR() for all other errors (missing functions, ...) */
1576 ERR("failed to load .so lib for builtin %s: %s\n", debugstr_w(name), error );
1577 return STATUS_PROCEDURE_NOT_FOUND;
1578 }
1579 }
1580
1581 if (info.status != STATUS_SUCCESS)
1582 {
1583 wine_dll_unload( handle );
1584 return info.status;
1585 }
1586
1587 if (!info.wm)
1588 {
1589 PLIST_ENTRY mark, entry;
1590
1591 /* The constructor wasn't called, this means the .so is already
1592 * loaded under a different name. Try to find the wm for it. */
1593
1594 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
1595 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
1596 {
1597 LDR_MODULE *mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
1598 if (mod->Flags & LDR_WINE_INTERNAL && mod->SectionHandle == handle)
1599 {
1600 info.wm = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
1601 TRACE( "Found %s at %p for builtin %s\n",
1602 debugstr_w(info.wm->ldr.FullDllName.Buffer), info.wm->ldr.BaseAddress, debugstr_w(path) );
1603 break;
1604 }
1605 }
1606 wine_dll_unload( handle ); /* release the libdl refcount */
1607 if (!info.wm) return STATUS_INVALID_IMAGE_FORMAT;
1608 if (info.wm->ldr.LoadCount != -1) info.wm->ldr.LoadCount++;
1609 }
1610 else
1611 {
1612 TRACE_(loaddll)( "Loaded %s at %p: builtin\n", debugstr_w(info.wm->ldr.FullDllName.Buffer), info.wm->ldr.BaseAddress );
1613 info.wm->ldr.LoadCount = 1;
1614 info.wm->ldr.SectionHandle = handle;
1615 }
1616
1617 *pwm = info.wm;
1618 return STATUS_SUCCESS;
1619 }
1620
1621
1622 /***********************************************************************
1623 * find_actctx_dll
1624 *
1625 * Find the full path (if any) of the dll from the activation context.
1626 */
1627 static NTSTATUS find_actctx_dll( LPCWSTR libname, LPWSTR *fullname )
1628 {
1629 static const WCHAR winsxsW[] = {'\\','w','i','n','s','x','s','\\'};
1630 static const WCHAR dotManifestW[] = {'.','m','a','n','i','f','e','s','t',0};
1631
1632 ACTIVATION_CONTEXT_ASSEMBLY_DETAILED_INFORMATION *info;
1633 ACTCTX_SECTION_KEYED_DATA data;
1634 UNICODE_STRING nameW;
1635 NTSTATUS status;
1636 SIZE_T needed, size = 1024;
1637 WCHAR *p;
1638
1639 RtlInitUnicodeString( &nameW, libname );
1640 data.cbSize = sizeof(data);
1641 status = RtlFindActivationContextSectionString( FIND_ACTCTX_SECTION_KEY_RETURN_HACTCTX, NULL,
1642 ACTIVATION_CONTEXT_SECTION_DLL_REDIRECTION,
1643 &nameW, &data );
1644 if (status != STATUS_SUCCESS) return status;
1645
1646 for (;;)
1647 {
1648 if (!(info = RtlAllocateHeap( GetProcessHeap(), 0, size )))
1649 {
1650 status = STATUS_NO_MEMORY;
1651 goto done;
1652 }
1653 status = RtlQueryInformationActivationContext( 0, data.hActCtx, &data.ulAssemblyRosterIndex,
1654 AssemblyDetailedInformationInActivationContext,
1655 info, size, &needed );
1656 if (status == STATUS_SUCCESS) break;
1657 if (status != STATUS_BUFFER_TOO_SMALL) goto done;
1658 RtlFreeHeap( GetProcessHeap(), 0, info );
1659 size = needed;
1660 /* restart with larger buffer */
1661 }
1662
1663 if ((p = strrchrW( info->lpAssemblyManifestPath, '\\' )))
1664 {
1665 DWORD dirlen = info->ulAssemblyDirectoryNameLength / sizeof(WCHAR);
1666
1667 p++;
1668 if (strncmpiW( p, info->lpAssemblyDirectoryName, dirlen ) || strcmpiW( p + dirlen, dotManifestW ))
1669 {
1670 /* manifest name does not match directory name, so it's not a global
1671 * windows/winsxs manifest; use the manifest directory name instead */
1672 dirlen = p - info->lpAssemblyManifestPath;
1673 needed = (dirlen + 1) * sizeof(WCHAR) + nameW.Length;
1674 if (!(*fullname = p = RtlAllocateHeap( GetProcessHeap(), 0, needed )))
1675 {
1676 status = STATUS_NO_MEMORY;
1677 goto done;
1678 }
1679 memcpy( p, info->lpAssemblyManifestPath, dirlen * sizeof(WCHAR) );
1680 p += dirlen;
1681 strcpyW( p, libname );
1682 goto done;
1683 }
1684 }
1685
1686 needed = (windows_dir.Length + sizeof(winsxsW) + info->ulAssemblyDirectoryNameLength +
1687 nameW.Length + 2*sizeof(WCHAR));
1688
1689 if (!(*fullname = p = RtlAllocateHeap( GetProcessHeap(), 0, needed )))
1690 {
1691 status = STATUS_NO_MEMORY;
1692 goto done;
1693 }
1694 memcpy( p, windows_dir.Buffer, windows_dir.Length );
1695 p += windows_dir.Length / sizeof(WCHAR);
1696 memcpy( p, winsxsW, sizeof(winsxsW) );
1697 p += sizeof(winsxsW) / sizeof(WCHAR);
1698 memcpy( p, info->lpAssemblyDirectoryName, info->ulAssemblyDirectoryNameLength );
1699 p += info->ulAssemblyDirectoryNameLength / sizeof(WCHAR);
1700 *p++ = '\\';
1701 strcpyW( p, libname );
1702 done:
1703 RtlFreeHeap( GetProcessHeap(), 0, info );
1704 RtlReleaseActivationContext( data.hActCtx );
1705 return status;
1706 }
1707
1708
1709 /***********************************************************************
1710 * find_dll_file
1711 *
1712 * Find the file (or already loaded module) for a given dll name.
1713 */
1714 static NTSTATUS find_dll_file( const WCHAR *load_path, const WCHAR *libname,
1715 WCHAR *filename, ULONG *size, WINE_MODREF **pwm, HANDLE *handle )
1716 {
1717 OBJECT_ATTRIBUTES attr;
1718 IO_STATUS_BLOCK io;
1719 UNICODE_STRING nt_name;
1720 WCHAR *file_part, *ext, *dllname;
1721 ULONG len;
1722
1723 /* first append .dll if needed */
1724
1725 dllname = NULL;
1726 if (!(ext = strrchrW( libname, '.')) || strchrW( ext, '/' ) || strchrW( ext, '\\'))
1727 {
1728 if (!(dllname = RtlAllocateHeap( GetProcessHeap(), 0,
1729 (strlenW(libname) * sizeof(WCHAR)) + sizeof(dllW) )))
1730 return STATUS_NO_MEMORY;
1731 strcpyW( dllname, libname );
1732 strcatW( dllname, dllW );
1733 libname = dllname;
1734 }
1735
1736 nt_name.Buffer = NULL;
1737
1738 if (!contains_path( libname ))
1739 {
1740 NTSTATUS status;
1741 WCHAR *fullname = NULL;
1742
1743 if ((*pwm = find_basename_module( libname )) != NULL) goto found;
1744
1745 status = find_actctx_dll( libname, &fullname );
1746 if (status == STATUS_SUCCESS)
1747 {
1748 TRACE ("found %s for %s\n", debugstr_w(fullname), debugstr_w(libname) );
1749 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1750 libname = dllname = fullname;
1751 }
1752 else if (status != STATUS_SXS_KEY_NOT_FOUND)
1753 {
1754 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1755 return status;
1756 }
1757 }
1758
1759 if (RtlDetermineDosPathNameType_U( libname ) == RELATIVE_PATH)
1760 {
1761 /* we need to search for it */
1762 len = RtlDosSearchPath_U( load_path, libname, NULL, *size, filename, &file_part );
1763 if (len)
1764 {
1765 if (len >= *size) goto overflow;
1766 if ((*pwm = find_fullname_module( filename )) || !handle) goto found;
1767
1768 if (!RtlDosPathNameToNtPathName_U( filename, &nt_name, NULL, NULL ))
1769 {
1770 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1771 return STATUS_NO_MEMORY;
1772 }
1773 attr.Length = sizeof(attr);
1774 attr.RootDirectory = 0;
1775 attr.Attributes = OBJ_CASE_INSENSITIVE;
1776 attr.ObjectName = &nt_name;
1777 attr.SecurityDescriptor = NULL;
1778 attr.SecurityQualityOfService = NULL;
1779 if (NtOpenFile( handle, GENERIC_READ, &attr, &io, FILE_SHARE_READ|FILE_SHARE_DELETE, 0 )) *handle = 0;
1780 goto found;
1781 }
1782
1783 /* not found */
1784
1785 if (!contains_path( libname ))
1786 {
1787 /* if libname doesn't contain a path at all, we simply return the name as is,
1788 * to be loaded as builtin */
1789 len = strlenW(libname) * sizeof(WCHAR);
1790 if (len >= *size) goto overflow;
1791 strcpyW( filename, libname );
1792 goto found;
1793 }
1794 }
1795
1796 /* absolute path name, or relative path name but not found above */
1797
1798 if (!RtlDosPathNameToNtPathName_U( libname, &nt_name, &file_part, NULL ))
1799 {
1800 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1801 return STATUS_NO_MEMORY;
1802 }
1803 len = nt_name.Length - 4*sizeof(WCHAR); /* for \??\ prefix */
1804 if (len >= *size) goto overflow;
1805 memcpy( filename, nt_name.Buffer + 4, len + sizeof(WCHAR) );
1806 if (!(*pwm = find_fullname_module( filename )) && handle)
1807 {
1808 attr.Length = sizeof(attr);
1809 attr.RootDirectory = 0;
1810 attr.Attributes = OBJ_CASE_INSENSITIVE;
1811 attr.ObjectName = &nt_name;
1812 attr.SecurityDescriptor = NULL;
1813 attr.SecurityQualityOfService = NULL;
1814 if (NtOpenFile( handle, GENERIC_READ, &attr, &io, FILE_SHARE_READ|FILE_SHARE_DELETE, 0 )) *handle = 0;
1815 }
1816 found:
1817 RtlFreeUnicodeString( &nt_name );
1818 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1819 return STATUS_SUCCESS;
1820
1821 overflow:
1822 RtlFreeUnicodeString( &nt_name );
1823 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1824 *size = len + sizeof(WCHAR);
1825 return STATUS_BUFFER_TOO_SMALL;
1826 }
1827
1828
1829 /***********************************************************************
1830 * load_dll (internal)
1831 *
1832 * Load a PE style module according to the load order.
1833 * The loader_section must be locked while calling this function.
1834 */
1835 static NTSTATUS load_dll( LPCWSTR load_path, LPCWSTR libname, DWORD flags, WINE_MODREF** pwm )
1836 {
1837 enum loadorder loadorder;
1838 WCHAR buffer[32];
1839 WCHAR *filename;
1840 ULONG size;
1841 WINE_MODREF *main_exe;
1842 HANDLE handle = 0;
1843 NTSTATUS nts;
1844
1845 TRACE( "looking for %s in %s\n", debugstr_w(libname), debugstr_w(load_path) );
1846
1847 *pwm = NULL;
1848 filename = buffer;
1849 size = sizeof(buffer);
1850 for (;;)
1851 {
1852 nts = find_dll_file( load_path, libname, filename, &size, pwm, &handle );
1853 if (nts == STATUS_SUCCESS) break;
1854 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
1855 if (nts != STATUS_BUFFER_TOO_SMALL) return nts;
1856 /* grow the buffer and retry */
1857 if (!(filename = RtlAllocateHeap( GetProcessHeap(), 0, size ))) return STATUS_NO_MEMORY;
1858 }
1859
1860 if (*pwm) /* found already loaded module */
1861 {
1862 if ((*pwm)->ldr.LoadCount != -1) (*pwm)->ldr.LoadCount++;
1863
1864 if (!(flags & DONT_RESOLVE_DLL_REFERENCES)) fixup_imports( *pwm, load_path );
1865
1866 TRACE("Found %s for %s at %p, count=%d\n",
1867 debugstr_w((*pwm)->ldr.FullDllName.Buffer), debugstr_w(libname),
1868 (*pwm)->ldr.BaseAddress, (*pwm)->ldr.LoadCount);
1869 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
1870 return STATUS_SUCCESS;
1871 }
1872
1873 main_exe = get_modref( NtCurrentTeb()->Peb->ImageBaseAddress );
1874 loadorder = get_load_order( main_exe ? main_exe->ldr.BaseDllName.Buffer : NULL, filename );
1875
1876 if (handle && is_fake_dll( handle ))
1877 {
1878 TRACE( "%s is a fake Wine dll\n", debugstr_w(filename) );
1879 NtClose( handle );
1880 handle = 0;
1881 }
1882
1883 switch(loadorder)
1884 {
1885 case LO_INVALID:
1886 nts = STATUS_NO_MEMORY;
1887 break;
1888 case LO_DISABLED:
1889 nts = STATUS_DLL_NOT_FOUND;
1890 break;
1891 case LO_NATIVE:
1892 case LO_NATIVE_BUILTIN:
1893 if (!handle) nts = STATUS_DLL_NOT_FOUND;
1894 else
1895 {
1896 nts = load_native_dll( load_path, filename, handle, flags, pwm );
1897 if (nts == STATUS_INVALID_FILE_FOR_SECTION)
1898 /* not in PE format, maybe it's a builtin */
1899 nts = load_builtin_dll( load_path, filename, handle, flags, pwm );
1900 }
1901 if (nts == STATUS_DLL_NOT_FOUND && loadorder == LO_NATIVE_BUILTIN)
1902 nts = load_builtin_dll( load_path, filename, 0, flags, pwm );
1903 break;
1904 case LO_BUILTIN:
1905 case LO_BUILTIN_NATIVE:
1906 case LO_DEFAULT: /* default is builtin,native */
1907 nts = load_builtin_dll( load_path, filename, handle, flags, pwm );
1908 if (!handle) break; /* nothing else we can try */
1909 /* file is not a builtin library, try without using the specified file */
1910 if (nts != STATUS_SUCCESS)
1911 nts = load_builtin_dll( load_path, filename, 0, flags, pwm );
1912 if (nts == STATUS_SUCCESS && loadorder == LO_DEFAULT &&
1913 (MODULE_InitDLL( *pwm, DLL_WINE_PREATTACH, NULL ) != STATUS_SUCCESS))
1914 {
1915 /* stub-only dll, try native */
1916 TRACE( "%s pre-attach returned FALSE, preferring native\n", debugstr_w(filename) );
1917 LdrUnloadDll( (*pwm)->ldr.BaseAddress );
1918 nts = STATUS_DLL_NOT_FOUND;
1919 }
1920 if (nts == STATUS_DLL_NOT_FOUND && loadorder != LO_BUILTIN)
1921 nts = load_native_dll( load_path, filename, handle, flags, pwm );
1922 break;
1923 }
1924
1925 if (nts == STATUS_SUCCESS)
1926 {
1927 /* Initialize DLL just loaded */
1928 TRACE("Loaded module %s (%s) at %p\n", debugstr_w(filename),
1929 ((*pwm)->ldr.Flags & LDR_WINE_INTERNAL) ? "builtin" : "native",
1930 (*pwm)->ldr.BaseAddress);
1931 if (handle) NtClose( handle );
1932 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
1933 return nts;
1934 }
1935
1936 WARN("Failed to load module %s; status=%x\n", debugstr_w(libname), nts);
1937 if (handle) NtClose( handle );
1938 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
1939 return nts;
1940 }
1941
1942 /******************************************************************
1943 * LdrLoadDll (NTDLL.@)
1944 */
1945 NTSTATUS WINAPI LdrLoadDll(LPCWSTR path_name, DWORD flags,
1946 const UNICODE_STRING *libname, HMODULE* hModule)
1947 {
1948 WINE_MODREF *wm;
1949 NTSTATUS nts;
1950
1951 RtlEnterCriticalSection( &loader_section );
1952
1953 if (!path_name) path_name = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
1954 nts = load_dll( path_name, libname->Buffer, flags, &wm );
1955
1956 if (nts == STATUS_SUCCESS && !(wm->ldr.Flags & LDR_DONT_RESOLVE_REFS))
1957 {
1958 nts = process_attach( wm, NULL );
1959 if (nts != STATUS_SUCCESS)
1960 {
1961 LdrUnloadDll(wm->ldr.BaseAddress);
1962 wm = NULL;
1963 }
1964 }
1965 *hModule = (wm) ? wm->ldr.BaseAddress : NULL;
1966
1967 RtlLeaveCriticalSection( &loader_section );
1968 return nts;
1969 }
1970
1971
1972 /******************************************************************
1973 * LdrGetDllHandle (NTDLL.@)
1974 */
1975 NTSTATUS WINAPI LdrGetDllHandle( LPCWSTR load_path, ULONG flags, const UNICODE_STRING *name, HMODULE *base )
1976 {
1977 NTSTATUS status;
1978 WCHAR buffer[128];
1979 WCHAR *filename;
1980 ULONG size;
1981 WINE_MODREF *wm;
1982
1983 RtlEnterCriticalSection( &loader_section );
1984
1985 if (!load_path) load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
1986
1987 filename = buffer;
1988 size = sizeof(buffer);
1989 for (;;)
1990 {
1991 status = find_dll_file( load_path, name->Buffer, filename, &size, &wm, NULL );
1992 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
1993 if (status != STATUS_BUFFER_TOO_SMALL) break;
1994 /* grow the buffer and retry */
1995 if (!(filename = RtlAllocateHeap( GetProcessHeap(), 0, size )))
1996 {
1997 status = STATUS_NO_MEMORY;
1998 break;
1999 }
2000 }
2001
2002 if (status == STATUS_SUCCESS)
2003 {
2004 if (wm) *base = wm->ldr.BaseAddress;
2005 else status = STATUS_DLL_NOT_FOUND;
2006 }
2007
2008 RtlLeaveCriticalSection( &loader_section );
2009 TRACE( "%s -> %p (load path %s)\n", debugstr_us(name), status ? NULL : *base, debugstr_w(load_path) );
2010 return status;
2011 }
2012
2013
2014 /******************************************************************
2015 * LdrAddRefDll (NTDLL.@)
2016 */
2017 NTSTATUS WINAPI LdrAddRefDll( ULONG flags, HMODULE module )
2018 {
2019 NTSTATUS ret = STATUS_SUCCESS;
2020 WINE_MODREF *wm;
2021
2022 if (flags) FIXME( "%p flags %x not implemented\n", module, flags );
2023
2024 RtlEnterCriticalSection( &loader_section );
2025
2026 if ((wm = get_modref( module )))
2027 {
2028 if (wm->ldr.LoadCount != -1) wm->ldr.LoadCount++;
2029 TRACE( "(%s) ldr.LoadCount: %d\n", debugstr_w(wm->ldr.BaseDllName.Buffer), wm->ldr.LoadCount );
2030 }
2031 else ret = STATUS_INVALID_PARAMETER;
2032
2033 RtlLeaveCriticalSection( &loader_section );
2034 return ret;
2035 }
2036
2037
2038 /***********************************************************************
2039 * LdrProcessRelocationBlock (NTDLL.@)
2040 *
2041 * Apply relocations to a given page of a mapped PE image.
2042 */
2043 IMAGE_BASE_RELOCATION * WINAPI LdrProcessRelocationBlock( void *page, UINT count,
2044 USHORT *relocs, INT delta )
2045 {
2046 while (count--)
2047 {
2048 USHORT offset = *relocs & 0xfff;
2049 int type = *relocs >> 12;
2050 switch(type)
2051 {
2052 case IMAGE_REL_BASED_ABSOLUTE:
2053 break;
2054 case IMAGE_REL_BASED_HIGH:
2055 *(short *)((char *)page + offset) += HIWORD(delta);
2056 break;
2057 case IMAGE_REL_BASED_LOW:
2058 *(short *)((char *)page + offset) += LOWORD(delta);
2059 break;
2060 case IMAGE_REL_BASED_HIGHLOW:
2061 *(int *)((char *)page + offset) += delta;
2062 break;
2063 default:
2064 FIXME("Unknown/unsupported fixup type %x.\n", type);
2065 return NULL;
2066 }
2067 relocs++;
2068 }
2069 return (IMAGE_BASE_RELOCATION *)relocs; /* return address of next block */
2070 }
2071
2072
2073 /******************************************************************
2074 * LdrQueryProcessModuleInformation
2075 *
2076 */
2077 NTSTATUS WINAPI LdrQueryProcessModuleInformation(PSYSTEM_MODULE_INFORMATION smi,
2078 ULONG buf_size, ULONG* req_size)
2079 {
2080 SYSTEM_MODULE* sm = &smi->Modules[0];
2081 ULONG size = sizeof(ULONG);
2082 NTSTATUS nts = STATUS_SUCCESS;
2083 ANSI_STRING str;
2084 char* ptr;
2085 PLIST_ENTRY mark, entry;
2086 PLDR_MODULE mod;
2087 WORD id = 0;
2088
2089 smi->ModulesCount = 0;
2090
2091 RtlEnterCriticalSection( &loader_section );
2092 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
2093 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
2094 {
2095 mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
2096 size += sizeof(*sm);
2097 if (size <= buf_size)
2098 {
2099 sm->Reserved1 = 0; /* FIXME */
2100 sm->Reserved2 = 0; /* FIXME */
2101 sm->ImageBaseAddress = mod->BaseAddress;
2102 sm->ImageSize = mod->SizeOfImage;
2103 sm->Flags = mod->Flags;
2104 sm->Id = id++;
2105 sm->Rank = 0; /* FIXME */
2106 sm->Unknown = 0; /* FIXME */
2107 str.Length = 0;
2108 str.MaximumLength = MAXIMUM_FILENAME_LENGTH;
2109 str.Buffer = (char*)sm->Name;
2110 RtlUnicodeStringToAnsiString(&str, &mod->FullDllName, FALSE);
2111 ptr = strrchr(str.Buffer, '\\');
2112 sm->NameOffset = (ptr != NULL) ? (ptr - str.Buffer + 1) : 0;
2113
2114 smi->ModulesCount++;
2115 sm++;
2116 }
2117 else nts = STATUS_INFO_LENGTH_MISMATCH;
2118 }
2119 RtlLeaveCriticalSection( &loader_section );
2120
2121 if (req_size) *req_size = size;
2122
2123 return nts;
2124 }
2125
2126
2127 /******************************************************************
2128 * RtlDllShutdownInProgress (NTDLL.@)
2129 */
2130 BOOLEAN WINAPI RtlDllShutdownInProgress(void)
2131 {
2132 return process_detaching;
2133 }
2134
2135
2136 /******************************************************************
2137 * LdrShutdownProcess (NTDLL.@)
2138 *
2139 */
2140 void WINAPI LdrShutdownProcess(void)
2141 {
2142 TRACE("()\n");
2143 process_detach( TRUE, (LPVOID)1 );
2144 }
2145
2146 /******************************************************************
2147 * LdrShutdownThread (NTDLL.@)
2148 *
2149 */
2150 void WINAPI LdrShutdownThread(void)
2151 {
2152 PLIST_ENTRY mark, entry;
2153 PLDR_MODULE mod;
2154
2155 TRACE("()\n");
2156
2157 /* don't do any detach calls if process is exiting */
2158 if (process_detaching) return;
2159 /* FIXME: there is still a race here */
2160
2161 RtlEnterCriticalSection( &loader_section );
2162
2163 mark = &NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList;
2164 for (entry = mark->Blink; entry != mark; entry = entry->Blink)
2165 {
2166 mod = CONTAINING_RECORD(entry, LDR_MODULE,
2167 InInitializationOrderModuleList);
2168 if ( !(mod->Flags & LDR_PROCESS_ATTACHED) )
2169 continue;
2170 if ( mod->Flags & LDR_NO_DLL_CALLS )
2171 continue;
2172
2173 MODULE_InitDLL( CONTAINING_RECORD(mod, WINE_MODREF, ldr),
2174 DLL_THREAD_DETACH, NULL );
2175 }
2176
2177 RtlLeaveCriticalSection( &loader_section );
2178 RtlFreeHeap( GetProcessHeap(), 0, NtCurrentTeb()->ThreadLocalStoragePointer );
2179 }
2180
2181
2182 /***********************************************************************
2183 * free_modref
2184 *
2185 */
2186 static void free_modref( WINE_MODREF *wm )
2187 {
2188 RemoveEntryList(&wm->ldr.InLoadOrderModuleList);
2189 RemoveEntryList(&wm->ldr.InMemoryOrderModuleList);
2190 if (wm->ldr.InInitializationOrderModuleList.Flink)
2191 RemoveEntryList(&wm->ldr.InInitializationOrderModuleList);
2192
2193 TRACE(" unloading %s\n", debugstr_w(wm->ldr.FullDllName.Buffer));
2194 if (!TRACE_ON(module))
2195 TRACE_(loaddll)("Unloaded module %s : %s\n",
2196 debugstr_w(wm->ldr.FullDllName.Buffer),
2197 (wm->ldr.Flags & LDR_WINE_INTERNAL) ? "builtin" : "native" );
2198
2199 SERVER_START_REQ( unload_dll )
2200 {
2201 req->base = wm->ldr.BaseAddress;
2202 wine_server_call( req );
2203 }
2204 SERVER_END_REQ;
2205
2206 RtlReleaseActivationContext( wm->ldr.ActivationContext );
2207 NtUnmapViewOfSection( NtCurrentProcess(), wm->ldr.BaseAddress );
2208 if (wm->ldr.Flags & LDR_WINE_INTERNAL) wine_dll_unload( wm->ldr.SectionHandle );
2209 if (cached_modref == wm) cached_modref = NULL;
2210 RtlFreeUnicodeString( &wm->ldr.FullDllName );
2211 RtlFreeHeap( GetProcessHeap(), 0, wm->deps );
2212 RtlFreeHeap( GetProcessHeap(), 0, wm );
2213 }
2214
2215 /***********************************************************************
2216 * MODULE_FlushModrefs
2217 *
2218 * Remove all unused modrefs and call the internal unloading routines
2219 * for the library type.
2220 *
2221 * The loader_section must be locked while calling this function.
2222 */
2223 static void MODULE_FlushModrefs(void)
2224 {
2225 PLIST_ENTRY mark, entry, prev;
2226 PLDR_MODULE mod;
2227 WINE_MODREF*wm;
2228
2229 mark = &NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList;
2230 for (entry = mark->Blink; entry != mark; entry = prev)
2231 {
2232 mod = CONTAINING_RECORD(entry, LDR_MODULE, InInitializationOrderModuleList);
2233 wm = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
2234 prev = entry->Blink;
2235 if (!mod->LoadCount) free_modref( wm );
2236 }
2237
2238 /* check load order list too for modules that haven't been initialized yet */
2239 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
2240 for (entry = mark->Blink; entry != mark; entry = prev)
2241 {
2242 mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
2243 wm = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
2244 prev = entry->Blink;
2245 if (!mod->LoadCount) free_modref( wm );
2246 }
2247 }
2248
2249 /***********************************************************************
2250 * MODULE_DecRefCount
2251 *
2252 * The loader_section must be locked while calling this function.
2253 */
2254 static void MODULE_DecRefCount( WINE_MODREF *wm )
2255 {
2256 int i;
2257
2258 if ( wm->ldr.Flags & LDR_UNLOAD_IN_PROGRESS )
2259 return;
2260
2261 if ( wm->ldr.LoadCount <= 0 )
2262 return;
2263
2264 --wm->ldr.LoadCount;
2265 TRACE("(%s) ldr.LoadCount: %d\n", debugstr_w(wm->ldr.BaseDllName.Buffer), wm->ldr.LoadCount );
2266
2267 if ( wm->ldr.LoadCount == 0 )
2268 {
2269 wm->ldr.Flags |= LDR_UNLOAD_IN_PROGRESS;
2270
2271 for ( i = 0; i < wm->nDeps; i++ )
2272 if ( wm->deps[i] )
2273 MODULE_DecRefCount( wm->deps[i] );
2274
2275 wm->ldr.Flags &= ~LDR_UNLOAD_IN_PROGRESS;
2276 }
2277 }
2278
2279 /******************************************************************
2280 * LdrUnloadDll (NTDLL.@)
2281 *
2282 *
2283 */
2284 NTSTATUS WINAPI LdrUnloadDll( HMODULE hModule )
2285 {
2286 NTSTATUS retv = STATUS_SUCCESS;
2287
2288 TRACE("(%p)\n", hModule);
2289
2290 RtlEnterCriticalSection( &loader_section );
2291
2292 /* if we're stopping the whole process (and forcing the removal of all
2293 * DLLs) the library will be freed anyway
2294 */
2295 if (!process_detaching)
2296 {
2297 WINE_MODREF *wm;
2298
2299 free_lib_count++;
2300 if ((wm = get_modref( hModule )) != NULL)
2301 {
2302 TRACE("(%s) - START\n", debugstr_w(wm->ldr.BaseDllName.Buffer));
2303
2304 /* Recursively decrement reference counts */
2305 MODULE_DecRefCount( wm );
2306
2307 /* Call process detach notifications */
2308 if ( free_lib_count <= 1 )
2309 {
2310 process_detach( FALSE, NULL );
2311 MODULE_FlushModrefs();
2312 }
2313
2314 TRACE("END\n");
2315 }
2316 else
2317 retv = STATUS_DLL_NOT_FOUND;
2318
2319 free_lib_count--;
2320 }
2321
2322 RtlLeaveCriticalSection( &loader_section );
2323
2324 return retv;
2325 }
2326
2327 /***********************************************************************
2328 * RtlImageNtHeader (NTDLL.@)
2329 */
2330 PIMAGE_NT_HEADERS WINAPI RtlImageNtHeader(HMODULE hModule)
2331 {
2332 IMAGE_NT_HEADERS *ret;
2333
2334 __TRY
2335 {
2336 IMAGE_DOS_HEADER *dos = (IMAGE_DOS_HEADER *)hModule;
2337
2338 ret = NULL;
2339 if (dos->e_magic == IMAGE_DOS_SIGNATURE)
2340 {
2341 ret = (IMAGE_NT_HEADERS *)((char *)dos + dos->e_lfanew);
2342 if (ret->Signature != IMAGE_NT_SIGNATURE) ret = NULL;
2343 }
2344 }
2345 __EXCEPT_PAGE_FAULT
2346 {
2347 return NULL;
2348 }
2349 __ENDTRY
2350 return ret;
2351 }
2352
2353
2354 /***********************************************************************
2355 * attach_process_dlls
2356 *
2357 * Initial attach to all the dlls loaded by the process.
2358 */
2359 static NTSTATUS attach_process_dlls( void *wm )
2360 {
2361 NTSTATUS status;
2362
2363 RtlEnterCriticalSection( &loader_section );
2364 if ((status = process_attach( wm, (LPVOID)1 )) != STATUS_SUCCESS)
2365 {
2366 if (last_failed_modref)
2367 ERR( "%s failed to initialize, aborting\n",
2368 debugstr_w(last_failed_modref->ldr.BaseDllName.Buffer) + 1 );
2369 return status;
2370 }
2371 attach_implicitly_loaded_dlls( (LPVOID)1 );
2372 RtlLeaveCriticalSection( &loader_section );
2373 return status;
2374 }
2375
2376
2377 /******************************************************************
2378 * LdrInitializeThunk (NTDLL.@)
2379 *
2380 */
2381 void WINAPI LdrInitializeThunk( ULONG unknown1, ULONG unknown2, ULONG unknown3, ULONG unknown4 )
2382 {
2383 NTSTATUS status;
2384 WINE_MODREF *wm;
2385 LPCWSTR load_path;
2386 SIZE_T stack_size;
2387 PEB *peb = NtCurrentTeb()->Peb;
2388 IMAGE_NT_HEADERS *nt = RtlImageNtHeader( peb->ImageBaseAddress );
2389
2390 if (main_exe_file) NtClose( main_exe_file ); /* at this point the main module is created */
2391
2392 /* allocate the modref for the main exe (if not already done) */
2393 wm = get_modref( peb->ImageBaseAddress );
2394 assert( wm );
2395 if (wm->ldr.Flags & LDR_IMAGE_IS_DLL)
2396 {
2397 ERR("%s is a dll, not an executable\n", debugstr_w(wm->ldr.FullDllName.Buffer) );
2398 exit(1);
2399 }
2400
2401 peb->LoaderLock = &loader_section;
2402 peb->ProcessParameters->ImagePathName = wm->ldr.FullDllName;
2403 version_init( wm->ldr.FullDllName.Buffer );
2404
2405 /* the main exe needs to be the first in the load order list */
2406 RemoveEntryList( &wm->ldr.InLoadOrderModuleList );
2407 InsertHeadList( &peb->LdrData->InLoadOrderModuleList, &wm->ldr.InLoadOrderModuleList );
2408
2409 stack_size = max( nt->OptionalHeader.SizeOfStackReserve, nt->OptionalHeader.SizeOfStackCommit );
2410 if (stack_size < 1024 * 1024) stack_size = 1024 * 1024; /* Xlib needs a large stack */
2411
2412 if ((status = virtual_alloc_thread_stack( NULL, stack_size )) != STATUS_SUCCESS) goto error;
2413 if ((status = server_init_process_done()) != STATUS_SUCCESS) goto error;
2414
2415 actctx_init();
2416 load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
2417 if ((status = fixup_imports( wm, load_path )) != STATUS_SUCCESS) goto error;
2418 if ((status = alloc_process_tls()) != STATUS_SUCCESS) goto error;
2419 if ((status = alloc_thread_tls()) != STATUS_SUCCESS) goto error;
2420
2421 pthread_functions.sigprocmask( SIG_UNBLOCK, &server_block_set, NULL );
2422
2423 status = wine_call_on_stack( attach_process_dlls, wm, NtCurrentTeb()->Tib.StackBase );
2424 if (status != STATUS_SUCCESS) goto error;
2425
2426 /* clear the stack contents before calling the main entry point, some broken apps need that */
2427 wine_anon_mmap( NtCurrentTeb()->Tib.StackLimit,
2428 (char *)NtCurrentTeb()->Tib.StackBase - (char *)NtCurrentTeb()->Tib.StackLimit,
2429 PROT_READ | PROT_WRITE, MAP_FIXED );
2430
2431 if (nt->FileHeader.Characteristics & IMAGE_FILE_LARGE_ADDRESS_AWARE) VIRTUAL_UseLargeAddressSpace();
2432 return;
2433
2434 error:
2435 ERR( "Main exe initialization for %s failed, status %x\n",
2436 debugstr_w(peb->ProcessParameters->ImagePathName.Buffer), status );
2437 NtTerminateProcess( GetCurrentProcess(), status );
2438 }
2439
2440
2441 /***********************************************************************
2442 * RtlImageDirectoryEntryToData (NTDLL.@)
2443 */
2444 PVOID WINAPI RtlImageDirectoryEntryToData( HMODULE module, BOOL image, WORD dir, ULONG *size )
2445 {
2446 const IMAGE_NT_HEADERS *nt;
2447 DWORD addr;
2448
2449 if ((ULONG_PTR)module & 1) /* mapped as data file */
2450 {
2451 module = (HMODULE)((ULONG_PTR)module & ~1);
2452 image = FALSE;
2453 }
2454 if (!(nt = RtlImageNtHeader( module ))) return NULL;
2455 if (dir >= nt->OptionalHeader.NumberOfRvaAndSizes) return NULL;
2456 if (!(addr = nt->OptionalHeader.DataDirectory[dir].VirtualAddress)) return NULL;
2457 *size = nt->OptionalHeader.DataDirectory[dir].Size;
2458 if (image || addr < nt->OptionalHeader.SizeOfHeaders) return (char *)module + addr;
2459
2460 /* not mapped as image, need to find the section containing the virtual address */
2461 return RtlImageRvaToVa( nt, module, addr, NULL );
2462 }
2463
2464
2465 /***********************************************************************
2466 * RtlImageRvaToSection (NTDLL.@)
2467 */
2468 PIMAGE_SECTION_HEADER WINAPI RtlImageRvaToSection( const IMAGE_NT_HEADERS *nt,
2469 HMODULE module, DWORD rva )
2470 {
2471 int i;
2472 const IMAGE_SECTION_HEADER *sec;
2473
2474 sec = (const IMAGE_SECTION_HEADER*)((const char*)&nt->OptionalHeader +
2475 nt->FileHeader.SizeOfOptionalHeader);
2476 for (i = 0; i < nt->FileHeader.NumberOfSections; i++, sec++)
2477 {
2478 if ((sec->VirtualAddress <= rva) && (sec->VirtualAddress + sec->SizeOfRawData > rva))
2479 return (PIMAGE_SECTION_HEADER)sec;
2480 }
2481 return NULL;
2482 }
2483
2484
2485 /***********************************************************************
2486 * RtlImageRvaToVa (NTDLL.@)
2487 */
2488 PVOID WINAPI RtlImageRvaToVa( const IMAGE_NT_HEADERS *nt, HMODULE module,
2489 DWORD rva, IMAGE_SECTION_HEADER **section )
2490 {
2491 IMAGE_SECTION_HEADER *sec;
2492
2493 if (section && *section) /* try this section first */
2494 {
2495 sec = *section;
2496 if ((sec->VirtualAddress <= rva) && (sec->VirtualAddress + sec->SizeOfRawData > rva))
2497 goto found;
2498 }
2499 if (!(sec = RtlImageRvaToSection( nt, module, rva ))) return NULL;
2500 found:
2501 if (section) *section = sec;
2502 return (char *)module + sec->PointerToRawData + (rva - sec->VirtualAddress);
2503 }
2504
2505
2506 /***********************************************************************
2507 * RtlPcToFileHeader (NTDLL.@)
2508 */
2509 PVOID WINAPI RtlPcToFileHeader( PVOID pc, PVOID *address )
2510 {
2511 LDR_MODULE *module;
2512 PVOID ret = NULL;
2513
2514 RtlEnterCriticalSection( &loader_section );
2515 if (!LdrFindEntryForAddress( pc, &module )) ret = module->BaseAddress;
2516 RtlLeaveCriticalSection( &loader_section );
2517 *address = ret;
2518 return ret;
2519 }
2520
2521
2522 /***********************************************************************
2523 * NtLoadDriver (NTDLL.@)
2524 * ZwLoadDriver (NTDLL.@)
2525 */
2526 NTSTATUS WINAPI NtLoadDriver( const UNICODE_STRING *DriverServiceName )
2527 {
2528 FIXME("(%p), stub!\n",DriverServiceName);
2529 return STATUS_NOT_IMPLEMENTED;
2530 }
2531
2532
2533 /***********************************************************************
2534 * NtUnloadDriver (NTDLL.@)
2535 * ZwUnloadDriver (NTDLL.@)
2536 */
2537 NTSTATUS WINAPI NtUnloadDriver( const UNICODE_STRING *DriverServiceName )
2538 {
2539 FIXME("(%p), stub!\n",DriverServiceName);
2540 return STATUS_NOT_IMPLEMENTED;
2541 }
2542
2543
2544 /******************************************************************
2545 * DllMain (NTDLL.@)
2546 */
2547 BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
2548 {
2549 if (reason == DLL_PROCESS_ATTACH) LdrDisableThreadCalloutsForDll( inst );
2550 return TRUE;
2551 }
2552
2553
2554 /******************************************************************
2555 * __wine_init_windows_dir (NTDLL.@)
2556 *
2557 * Windows and system dir initialization once kernel32 has been loaded.
2558 */
2559 void __wine_init_windows_dir( const WCHAR *windir, const WCHAR *sysdir )
2560 {
2561 PLIST_ENTRY mark, entry;
2562 LPWSTR buffer, p;
2563
2564 RtlCreateUnicodeString( &windows_dir, windir );
2565 RtlCreateUnicodeString( &system_dir, sysdir );
2566 strcpyW( user_shared_data->NtSystemRoot, windir );
2567
2568 /* prepend the system dir to the name of the already created modules */
2569 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
2570 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
2571 {
2572 LDR_MODULE *mod = CONTAINING_RECORD( entry, LDR_MODULE, InLoadOrderModuleList );
2573
2574 assert( mod->Flags & LDR_WINE_INTERNAL );
2575
2576 buffer = RtlAllocateHeap( GetProcessHeap(), 0,
2577 system_dir.Length + mod->FullDllName.Length + 2*sizeof(WCHAR) );
2578 if (!buffer) continue;
2579 strcpyW( buffer, system_dir.Buffer );
2580 p = buffer + strlenW( buffer );
2581 if (p > buffer && p[-1] != '\\') *p++ = '\\';
2582 strcpyW( p, mod->FullDllName.Buffer );
2583 RtlInitUnicodeString( &mod->FullDllName, buffer );
2584 RtlInitUnicodeString( &mod->BaseDllName, p );
2585 }
2586 }
2587
2588
2589 /***********************************************************************
2590 * __wine_process_init
2591 */
2592 void __wine_process_init(void)
2593 {
2594 static const WCHAR kernel32W[] = {'k','e','r','n','e','l','3','2','.','d','l','l',0};
2595
2596 WINE_MODREF *wm;
2597 NTSTATUS status;
2598 ANSI_STRING func_name;
2599 void (* DECLSPEC_NORETURN init_func)(void);
2600 extern mode_t FILE_umask;
2601
2602 main_exe_file = thread_init();
2603
2604 /* retrieve current umask */
2605 FILE_umask = umask(0777);
2606 umask( FILE_umask );
2607
2608 /* setup the load callback and create ntdll modref */
2609 wine_dll_set_callback( load_builtin_callback );
2610
2611 if ((status = load_builtin_dll( NULL, kernel32W, 0, 0, &wm )) != STATUS_SUCCESS)
2612 {
2613 MESSAGE( "wine: could not load kernel32.dll, status %x\n", status );
2614 exit(1);
2615 }
2616 RtlInitAnsiString( &func_name, "UnhandledExceptionFilter" );
2617 LdrGetProcedureAddress( wm->ldr.BaseAddress, &func_name, 0, (void **)&unhandled_exception_filter );
2618
2619 RtlInitAnsiString( &func_name, "__wine_kernel_init" );
2620 if ((status = LdrGetProcedureAddress( wm->ldr.BaseAddress, &func_name,
2621 0, (void **)&init_func )) != STATUS_SUCCESS)
2622 {
2623 MESSAGE( "wine: could not find __wine_kernel_init in kernel32.dll, status %x\n", status );
2624 exit(1);
2625 }
2626 init_func();
2627 }
useful hacks and other patches not (yet) suitable for mainline