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urlmon: Added URLDownloadToFile tests.
[wine/wine-gecko.git] / dlls / ntdll / loader.c
blob8ce5a6251a56e81a96abf75ca79df11f4b5ba417
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
28 #define NONAMELESSUNION
29 #define NONAMELESSSTRUCT
30
31 #include "ntstatus.h"
32 #define WIN32_NO_STATUS
33 #include "windef.h"
34 #include "winnt.h"
35 #include "winternl.h"
36
37 #include "wine/exception.h"
38 #include "wine/library.h"
39 #include "wine/pthread.h"
40 #include "wine/unicode.h"
41 #include "wine/debug.h"
42 #include "wine/server.h"
43 #include "ntdll_misc.h"
44 #include "ddk/wdm.h"
45
46 WINE_DEFAULT_DEBUG_CHANNEL(module);
47 WINE_DECLARE_DEBUG_CHANNEL(relay);
48 WINE_DECLARE_DEBUG_CHANNEL(snoop);
49 WINE_DECLARE_DEBUG_CHANNEL(loaddll);
50 WINE_DECLARE_DEBUG_CHANNEL(imports);
51
52 /* we don't want to include winuser.h */
53 #define RT_MANIFEST ((ULONG_PTR)24)
54 #define ISOLATIONAWARE_MANIFEST_RESOURCE_ID ((ULONG_PTR)2)
55
56 extern struct wine_pthread_functions pthread_functions;
57
58 typedef DWORD (CALLBACK *DLLENTRYPROC)(HMODULE,DWORD,LPVOID);
59
60 static int process_detaching = 0; /* set on process detach to avoid deadlocks with thread detach */
61 static int free_lib_count; /* recursion depth of LdrUnloadDll calls */
62
63 static const char * const reason_names[] =
64 {
65 "PROCESS_DETACH",
66 "PROCESS_ATTACH",
67 "THREAD_ATTACH",
68 "THREAD_DETACH",
69 NULL, NULL, NULL, NULL,
70 "WINE_PREATTACH"
71 };
72
73 static const WCHAR dllW[] = {'.','d','l','l',0};
74
75 /* internal representation of 32bit modules. per process. */
76 typedef struct _wine_modref
77 {
78 LDR_MODULE ldr;
79 int nDeps;
80 struct _wine_modref **deps;
81 } WINE_MODREF;
82
83 /* info about the current builtin dll load */
84 /* used to keep track of things across the register_dll constructor call */
85 struct builtin_load_info
86 {
87 const WCHAR *load_path;
88 const WCHAR *filename;
89 NTSTATUS status;
90 WINE_MODREF *wm;
91 };
92
93 static struct builtin_load_info default_load_info;
94 static struct builtin_load_info *builtin_load_info = &default_load_info;
95
96 static HANDLE main_exe_file;
97 static UINT tls_module_count; /* number of modules with TLS directory */
98 static UINT tls_total_size; /* total size of TLS storage */
99 static const IMAGE_TLS_DIRECTORY **tls_dirs; /* array of TLS directories */
100
101 UNICODE_STRING windows_dir = { 0, 0, NULL }; /* windows directory */
102 UNICODE_STRING system_dir = { 0, 0, NULL }; /* system directory */
103
104 static RTL_CRITICAL_SECTION loader_section;
105 static RTL_CRITICAL_SECTION_DEBUG critsect_debug =
106 {
107 0, 0, &loader_section,
108 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
109 0, 0, { (DWORD_PTR)(__FILE__ ": loader_section") }
110 };
111 static RTL_CRITICAL_SECTION loader_section = { &critsect_debug, -1, 0, 0, 0, 0 };
112
113 static WINE_MODREF *cached_modref;
114 static WINE_MODREF *current_modref;
115 static WINE_MODREF *last_failed_modref;
116
117 static NTSTATUS load_dll( LPCWSTR load_path, LPCWSTR libname, DWORD flags, WINE_MODREF** pwm );
118 static NTSTATUS process_attach( WINE_MODREF *wm, LPVOID lpReserved );
119 static FARPROC find_named_export( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
120 DWORD exp_size, const char *name, int hint, LPCWSTR load_path );
121
122 /* convert PE image VirtualAddress to Real Address */
123 static inline void *get_rva( HMODULE module, DWORD va )
124 {
125 return (void *)((char *)module + va);
126 }
127
128 /* check whether the file name contains a path */
129 static inline int contains_path( LPCWSTR name )
130 {
131 return ((*name && (name[1] == ':')) || strchrW(name, '/') || strchrW(name, '\\'));
132 }
133
134 /* convert from straight ASCII to Unicode without depending on the current codepage */
135 static inline void ascii_to_unicode( WCHAR *dst, const char *src, size_t len )
136 {
137 while (len--) *dst++ = (unsigned char)*src++;
138 }
139
140
141 /*************************************************************************
142 * call_dll_entry_point
143 *
144 * Some brain-damaged dlls (ir32_32.dll for instance) modify ebx in
145 * their entry point, so we need a small asm wrapper.
146 */
147 #ifdef __i386__
148 extern BOOL call_dll_entry_point( DLLENTRYPROC proc, void *module, UINT reason, void *reserved );
149 __ASM_GLOBAL_FUNC(call_dll_entry_point,
150 "pushl %ebp\n\t"
151 "movl %esp,%ebp\n\t"
152 "pushl %ebx\n\t"
153 "subl $8,%esp\n\t"
154 "pushl 20(%ebp)\n\t"
155 "pushl 16(%ebp)\n\t"
156 "pushl 12(%ebp)\n\t"
157 "movl 8(%ebp),%eax\n\t"
158 "call *%eax\n\t"
159 "leal -4(%ebp),%esp\n\t"
160 "popl %ebx\n\t"
161 "popl %ebp\n\t"
162 "ret" )
163 #else /* __i386__ */
164 static inline BOOL call_dll_entry_point( DLLENTRYPROC proc, void *module,
165 UINT reason, void *reserved )
166 {
167 return proc( module, reason, reserved );
168 }
169 #endif /* __i386__ */
170
171
172 #ifdef __i386__
173 /*************************************************************************
174 * stub_entry_point
175 *
176 * Entry point for stub functions.
177 */
178 static void stub_entry_point( const char *dll, const char *name, ... )
179 {
180 EXCEPTION_RECORD rec;
181
182 rec.ExceptionCode = EXCEPTION_WINE_STUB;
183 rec.ExceptionFlags = EH_NONCONTINUABLE;
184 rec.ExceptionRecord = NULL;
185 #ifdef __GNUC__
186 rec.ExceptionAddress = __builtin_return_address(0);
187 #else
188 rec.ExceptionAddress = *((void **)&dll - 1);
189 #endif
190 rec.NumberParameters = 2;
191 rec.ExceptionInformation[0] = (ULONG_PTR)dll;
192 rec.ExceptionInformation[1] = (ULONG_PTR)name;
193 for (;;) RtlRaiseException( &rec );
194 }
195
196
197 #include "pshpack1.h"
198 struct stub
199 {
200 BYTE popl_eax; /* popl %eax */
201 BYTE pushl1; /* pushl $name */
202 const char *name;
203 BYTE pushl2; /* pushl $dll */
204 const char *dll;
205 BYTE pushl_eax; /* pushl %eax */
206 BYTE jmp; /* jmp stub_entry_point */
207 DWORD entry;
208 };
209 #include "poppack.h"
210
211 /*************************************************************************
212 * allocate_stub
213 *
214 * Allocate a stub entry point.
215 */
216 static ULONG_PTR allocate_stub( const char *dll, const char *name )
217 {
218 #define MAX_SIZE 65536
219 static struct stub *stubs;
220 static unsigned int nb_stubs;
221 struct stub *stub;
222
223 if (nb_stubs >= MAX_SIZE / sizeof(*stub)) return 0xdeadbeef;
224
225 if (!stubs)
226 {
227 SIZE_T size = MAX_SIZE;
228 if (NtAllocateVirtualMemory( NtCurrentProcess(), (void **)&stubs, 0, &size,
229 MEM_COMMIT, PAGE_EXECUTE_WRITECOPY ) != STATUS_SUCCESS)
230 return 0xdeadbeef;
231 }
232 stub = &stubs[nb_stubs++];
233 stub->popl_eax = 0x58; /* popl %eax */
234 stub->pushl1 = 0x68; /* pushl $name */
235 stub->name = name;
236 stub->pushl2 = 0x68; /* pushl $dll */
237 stub->dll = dll;
238 stub->pushl_eax = 0x50; /* pushl %eax */
239 stub->jmp = 0xe9; /* jmp stub_entry_point */
240 stub->entry = (BYTE *)stub_entry_point - (BYTE *)(&stub->entry + 1);
241 return (ULONG_PTR)stub;
242 }
243
244 #else /* __i386__ */
245 static inline ULONG_PTR allocate_stub( const char *dll, const char *name ) { return 0xdeadbeef; }
246 #endif /* __i386__ */
247
248
249 /*************************************************************************
250 * get_modref
251 *
252 * Looks for the referenced HMODULE in the current process
253 * The loader_section must be locked while calling this function.
254 */
255 static WINE_MODREF *get_modref( HMODULE hmod )
256 {
257 PLIST_ENTRY mark, entry;
258 PLDR_MODULE mod;
259
260 if (cached_modref && cached_modref->ldr.BaseAddress == hmod) return cached_modref;
261
262 mark = &NtCurrentTeb()->Peb->LdrData->InMemoryOrderModuleList;
263 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
264 {
265 mod = CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList);
266 if (mod->BaseAddress == hmod)
267 return cached_modref = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
268 if (mod->BaseAddress > (void*)hmod) break;
269 }
270 return NULL;
271 }
272
273
274 /**********************************************************************
275 * find_basename_module
276 *
277 * Find a module from its base name.
278 * The loader_section must be locked while calling this function
279 */
280 static WINE_MODREF *find_basename_module( LPCWSTR name )
281 {
282 PLIST_ENTRY mark, entry;
283
284 if (cached_modref && !strcmpiW( name, cached_modref->ldr.BaseDllName.Buffer ))
285 return cached_modref;
286
287 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
288 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
289 {
290 LDR_MODULE *mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
291 if (!strcmpiW( name, mod->BaseDllName.Buffer ))
292 {
293 cached_modref = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
294 return cached_modref;
295 }
296 }
297 return NULL;
298 }
299
300
301 /**********************************************************************
302 * find_fullname_module
303 *
304 * Find a module from its full path name.
305 * The loader_section must be locked while calling this function
306 */
307 static WINE_MODREF *find_fullname_module( LPCWSTR name )
308 {
309 PLIST_ENTRY mark, entry;
310
311 if (cached_modref && !strcmpiW( name, cached_modref->ldr.FullDllName.Buffer ))
312 return cached_modref;
313
314 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
315 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
316 {
317 LDR_MODULE *mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
318 if (!strcmpiW( name, mod->FullDllName.Buffer ))
319 {
320 cached_modref = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
321 return cached_modref;
322 }
323 }
324 return NULL;
325 }
326
327
328 /*************************************************************************
329 * find_forwarded_export
330 *
331 * Find the final function pointer for a forwarded function.
332 * The loader_section must be locked while calling this function.
333 */
334 static FARPROC find_forwarded_export( HMODULE module, const char *forward, LPCWSTR load_path )
335 {
336 const IMAGE_EXPORT_DIRECTORY *exports;
337 DWORD exp_size;
338 WINE_MODREF *wm;
339 WCHAR mod_name[32];
340 const char *end = strrchr(forward, '.');
341 FARPROC proc = NULL;
342
343 if (!end) return NULL;
344 if ((end - forward) * sizeof(WCHAR) >= sizeof(mod_name)) return NULL;
345 ascii_to_unicode( mod_name, forward, end - forward );
346 mod_name[end - forward] = 0;
347 if (!strchrW( mod_name, '.' ))
348 {
349 if ((end - forward) * sizeof(WCHAR) >= sizeof(mod_name) - sizeof(dllW)) return NULL;
350 memcpy( mod_name + (end - forward), dllW, sizeof(dllW) );
351 }
352
353 if (!(wm = find_basename_module( mod_name )))
354 {
355 TRACE( "delay loading %s for '%s'\n", debugstr_w(mod_name), forward );
356 if (load_dll( load_path, mod_name, 0, &wm ) == STATUS_SUCCESS &&
357 !(wm->ldr.Flags & LDR_DONT_RESOLVE_REFS))
358 {
359 if (process_attach( wm, NULL ) != STATUS_SUCCESS)
360 {
361 LdrUnloadDll( wm->ldr.BaseAddress );
362 wm = NULL;
363 }
364 }
365
366 if (!wm)
367 {
368 ERR( "module not found for forward '%s' used by %s\n",
369 forward, debugstr_w(get_modref(module)->ldr.FullDllName.Buffer) );
370 return NULL;
371 }
372 }
373 if ((exports = RtlImageDirectoryEntryToData( wm->ldr.BaseAddress, TRUE,
374 IMAGE_DIRECTORY_ENTRY_EXPORT, &exp_size )))
375 proc = find_named_export( wm->ldr.BaseAddress, exports, exp_size, end + 1, -1, load_path );
376
377 if (!proc)
378 {
379 ERR("function not found for forward '%s' used by %s."
380 " If you are using builtin %s, try using the native one instead.\n",
381 forward, debugstr_w(get_modref(module)->ldr.FullDllName.Buffer),
382 debugstr_w(get_modref(module)->ldr.BaseDllName.Buffer) );
383 }
384 return proc;
385 }
386
387
388 /*************************************************************************
389 * find_ordinal_export
390 *
391 * Find an exported function by ordinal.
392 * The exports base must have been subtracted from the ordinal already.
393 * The loader_section must be locked while calling this function.
394 */
395 static FARPROC find_ordinal_export( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
396 DWORD exp_size, DWORD ordinal, LPCWSTR load_path )
397 {
398 FARPROC proc;
399 const DWORD *functions = get_rva( module, exports->AddressOfFunctions );
400
401 if (ordinal >= exports->NumberOfFunctions)
402 {
403 TRACE(" ordinal %d out of range!\n", ordinal + exports->Base );
404 return NULL;
405 }
406 if (!functions[ordinal]) return NULL;
407
408 proc = get_rva( module, functions[ordinal] );
409
410 /* if the address falls into the export dir, it's a forward */
411 if (((const char *)proc >= (const char *)exports) &&
412 ((const char *)proc < (const char *)exports + exp_size))
413 return find_forwarded_export( module, (const char *)proc, load_path );
414
415 if (TRACE_ON(snoop))
416 {
417 const WCHAR *user = current_modref ? current_modref->ldr.BaseDllName.Buffer : NULL;
418 proc = SNOOP_GetProcAddress( module, exports, exp_size, proc, ordinal, user );
419 }
420 if (TRACE_ON(relay))
421 {
422 const WCHAR *user = current_modref ? current_modref->ldr.BaseDllName.Buffer : NULL;
423 proc = RELAY_GetProcAddress( module, exports, exp_size, proc, ordinal, user );
424 }
425 return proc;
426 }
427
428
429 /*************************************************************************
430 * find_named_export
431 *
432 * Find an exported function by name.
433 * The loader_section must be locked while calling this function.
434 */
435 static FARPROC find_named_export( HMODULE module, const IMAGE_EXPORT_DIRECTORY *exports,
436 DWORD exp_size, const char *name, int hint, LPCWSTR load_path )
437 {
438 const WORD *ordinals = get_rva( module, exports->AddressOfNameOrdinals );
439 const DWORD *names = get_rva( module, exports->AddressOfNames );
440 int min = 0, max = exports->NumberOfNames - 1;
441
442 /* first check the hint */
443 if (hint >= 0 && hint <= max)
444 {
445 char *ename = get_rva( module, names[hint] );
446 if (!strcmp( ename, name ))
447 return find_ordinal_export( module, exports, exp_size, ordinals[hint], load_path );
448 }
449
450 /* then do a binary search */
451 while (min <= max)
452 {
453 int res, pos = (min + max) / 2;
454 char *ename = get_rva( module, names[pos] );
455 if (!(res = strcmp( ename, name )))
456 return find_ordinal_export( module, exports, exp_size, ordinals[pos], load_path );
457 if (res > 0) max = pos - 1;
458 else min = pos + 1;
459 }
460 return NULL;
461
462 }
463
464
465 /*************************************************************************
466 * import_dll
467 *
468 * Import the dll specified by the given import descriptor.
469 * The loader_section must be locked while calling this function.
470 */
471 static WINE_MODREF *import_dll( HMODULE module, const IMAGE_IMPORT_DESCRIPTOR *descr, LPCWSTR load_path )
472 {
473 NTSTATUS status;
474 WINE_MODREF *wmImp;
475 HMODULE imp_mod;
476 const IMAGE_EXPORT_DIRECTORY *exports;
477 DWORD exp_size;
478 const IMAGE_THUNK_DATA *import_list;
479 IMAGE_THUNK_DATA *thunk_list;
480 WCHAR buffer[32];
481 const char *name = get_rva( module, descr->Name );
482 DWORD len = strlen(name);
483 PVOID protect_base;
484 SIZE_T protect_size = 0;
485 DWORD protect_old;
486
487 thunk_list = get_rva( module, (DWORD)descr->FirstThunk );
488 if (descr->u.OriginalFirstThunk)
489 import_list = get_rva( module, (DWORD)descr->u.OriginalFirstThunk );
490 else
491 import_list = thunk_list;
492
493 while (len && name[len-1] == ' ') len--; /* remove trailing spaces */
494
495 if (len * sizeof(WCHAR) < sizeof(buffer))
496 {
497 ascii_to_unicode( buffer, name, len );
498 buffer[len] = 0;
499 status = load_dll( load_path, buffer, 0, &wmImp );
500 }
501 else /* need to allocate a larger buffer */
502 {
503 WCHAR *ptr = RtlAllocateHeap( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) );
504 if (!ptr) return NULL;
505 ascii_to_unicode( ptr, name, len );
506 ptr[len] = 0;
507 status = load_dll( load_path, ptr, 0, &wmImp );
508 RtlFreeHeap( GetProcessHeap(), 0, ptr );
509 }
510
511 if (status)
512 {
513 if (status == STATUS_DLL_NOT_FOUND)
514 ERR("Library %s (which is needed by %s) not found\n",
515 name, debugstr_w(current_modref->ldr.FullDllName.Buffer));
516 else
517 ERR("Loading library %s (which is needed by %s) failed (error %x).\n",
518 name, debugstr_w(current_modref->ldr.FullDllName.Buffer), status);
519 return NULL;
520 }
521
522 /* unprotect the import address table since it can be located in
523 * readonly section */
524 while (import_list[protect_size].u1.Ordinal) protect_size++;
525 protect_base = thunk_list;
526 protect_size *= sizeof(*thunk_list);
527 NtProtectVirtualMemory( NtCurrentProcess(), &protect_base,
528 &protect_size, PAGE_WRITECOPY, &protect_old );
529
530 imp_mod = wmImp->ldr.BaseAddress;
531 exports = RtlImageDirectoryEntryToData( imp_mod, TRUE, IMAGE_DIRECTORY_ENTRY_EXPORT, &exp_size );
532
533 if (!exports)
534 {
535 /* set all imported function to deadbeef */
536 while (import_list->u1.Ordinal)
537 {
538 if (IMAGE_SNAP_BY_ORDINAL(import_list->u1.Ordinal))
539 {
540 int ordinal = IMAGE_ORDINAL(import_list->u1.Ordinal);
541 WARN("No implementation for %s.%d", name, ordinal );
542 thunk_list->u1.Function = allocate_stub( name, IntToPtr(ordinal) );
543 }
544 else
545 {
546 IMAGE_IMPORT_BY_NAME *pe_name = get_rva( module, (DWORD)import_list->u1.AddressOfData );
547 WARN("No implementation for %s.%s", name, pe_name->Name );
548 thunk_list->u1.Function = allocate_stub( name, (const char*)pe_name->Name );
549 }
550 WARN(" imported from %s, allocating stub %p\n",
551 debugstr_w(current_modref->ldr.FullDllName.Buffer),
552 (void *)thunk_list->u1.Function );
553 import_list++;
554 thunk_list++;
555 }
556 goto done;
557 }
558
559 while (import_list->u1.Ordinal)
560 {
561 if (IMAGE_SNAP_BY_ORDINAL(import_list->u1.Ordinal))
562 {
563 int ordinal = IMAGE_ORDINAL(import_list->u1.Ordinal);
564
565 thunk_list->u1.Function = (ULONG_PTR)find_ordinal_export( imp_mod, exports, exp_size,
566 ordinal - exports->Base, load_path );
567 if (!thunk_list->u1.Function)
568 {
569 thunk_list->u1.Function = allocate_stub( name, IntToPtr(ordinal) );
570 WARN("No implementation for %s.%d imported from %s, setting to %p\n",
571 name, ordinal, debugstr_w(current_modref->ldr.FullDllName.Buffer),
572 (void *)thunk_list->u1.Function );
573 }
574 TRACE_(imports)("--- Ordinal %s.%d = %p\n", name, ordinal, (void *)thunk_list->u1.Function );
575 }
576 else /* import by name */
577 {
578 IMAGE_IMPORT_BY_NAME *pe_name;
579 pe_name = get_rva( module, (DWORD)import_list->u1.AddressOfData );
580 thunk_list->u1.Function = (ULONG_PTR)find_named_export( imp_mod, exports, exp_size,
581 (const char*)pe_name->Name,
582 pe_name->Hint, load_path );
583 if (!thunk_list->u1.Function)
584 {
585 thunk_list->u1.Function = allocate_stub( name, (const char*)pe_name->Name );
586 WARN("No implementation for %s.%s imported from %s, setting to %p\n",
587 name, pe_name->Name, debugstr_w(current_modref->ldr.FullDllName.Buffer),
588 (void *)thunk_list->u1.Function );
589 }
590 TRACE_(imports)("--- %s %s.%d = %p\n",
591 pe_name->Name, name, pe_name->Hint, (void *)thunk_list->u1.Function);
592 }
593 import_list++;
594 thunk_list++;
595 }
596
597 done:
598 /* restore old protection of the import address table */
599 NtProtectVirtualMemory( NtCurrentProcess(), &protect_base, &protect_size, protect_old, NULL );
600 return wmImp;
601 }
602
603
604 /***********************************************************************
605 * create_module_activation_context
606 */
607 static NTSTATUS create_module_activation_context( LDR_MODULE *module )
608 {
609 NTSTATUS status;
610 LDR_RESOURCE_INFO info;
611 const IMAGE_RESOURCE_DATA_ENTRY *entry;
612
613 info.Type = RT_MANIFEST;
614 info.Name = ISOLATIONAWARE_MANIFEST_RESOURCE_ID;
615 info.Language = 0;
616 if (!(status = LdrFindResource_U( module->BaseAddress, &info, 3, &entry )))
617 {
618 ACTCTXW ctx;
619 ctx.cbSize = sizeof(ctx);
620 ctx.lpSource = NULL;
621 ctx.dwFlags = ACTCTX_FLAG_RESOURCE_NAME_VALID | ACTCTX_FLAG_HMODULE_VALID;
622 ctx.hModule = module->BaseAddress;
623 ctx.lpResourceName = (LPCWSTR)ISOLATIONAWARE_MANIFEST_RESOURCE_ID;
624 status = RtlCreateActivationContext( &module->ActivationContext, &ctx );
625 }
626 return status;
627 }
628
629
630 /****************************************************************
631 * fixup_imports
632 *
633 * Fixup all imports of a given module.
634 * The loader_section must be locked while calling this function.
635 */
636 static NTSTATUS fixup_imports( WINE_MODREF *wm, LPCWSTR load_path )
637 {
638 int i, nb_imports;
639 const IMAGE_IMPORT_DESCRIPTOR *imports;
640 WINE_MODREF *prev;
641 DWORD size;
642 NTSTATUS status;
643 ULONG_PTR cookie;
644
645 if (!(wm->ldr.Flags & LDR_DONT_RESOLVE_REFS)) return STATUS_SUCCESS; /* already done */
646 wm->ldr.Flags &= ~LDR_DONT_RESOLVE_REFS;
647
648 if (!(imports = RtlImageDirectoryEntryToData( wm->ldr.BaseAddress, TRUE,
649 IMAGE_DIRECTORY_ENTRY_IMPORT, &size )))
650 return STATUS_SUCCESS;
651
652 nb_imports = 0;
653 while (imports[nb_imports].Name && imports[nb_imports].FirstThunk) nb_imports++;
654
655 if (!nb_imports) return STATUS_SUCCESS; /* no imports */
656
657 if (!create_module_activation_context( &wm->ldr ))
658 RtlActivateActivationContext( 0, wm->ldr.ActivationContext, &cookie );
659
660 /* Allocate module dependency list */
661 wm->nDeps = nb_imports;
662 wm->deps = RtlAllocateHeap( GetProcessHeap(), 0, nb_imports*sizeof(WINE_MODREF *) );
663
664 /* load the imported modules. They are automatically
665 * added to the modref list of the process.
666 */
667 prev = current_modref;
668 current_modref = wm;
669 status = STATUS_SUCCESS;
670 for (i = 0; i < nb_imports; i++)
671 {
672 if (!(wm->deps[i] = import_dll( wm->ldr.BaseAddress, &imports[i], load_path )))
673 status = STATUS_DLL_NOT_FOUND;
674 }
675 current_modref = prev;
676 if (wm->ldr.ActivationContext) RtlDeactivateActivationContext( 0, cookie );
677 return status;
678 }
679
680
681 /*************************************************************************
682 * alloc_module
683 *
684 * Allocate a WINE_MODREF structure and add it to the process list
685 * The loader_section must be locked while calling this function.
686 */
687 static WINE_MODREF *alloc_module( HMODULE hModule, LPCWSTR filename )
688 {
689 WINE_MODREF *wm;
690 const WCHAR *p;
691 const IMAGE_NT_HEADERS *nt = RtlImageNtHeader(hModule);
692 PLIST_ENTRY entry, mark;
693
694 if (!(wm = RtlAllocateHeap( GetProcessHeap(), 0, sizeof(*wm) ))) return NULL;
695
696 wm->nDeps = 0;
697 wm->deps = NULL;
698
699 wm->ldr.BaseAddress = hModule;
700 wm->ldr.EntryPoint = NULL;
701 wm->ldr.SizeOfImage = nt->OptionalHeader.SizeOfImage;
702 wm->ldr.Flags = LDR_DONT_RESOLVE_REFS;
703 wm->ldr.LoadCount = 1;
704 wm->ldr.TlsIndex = -1;
705 wm->ldr.SectionHandle = NULL;
706 wm->ldr.CheckSum = 0;
707 wm->ldr.TimeDateStamp = 0;
708 wm->ldr.ActivationContext = 0;
709
710 RtlCreateUnicodeString( &wm->ldr.FullDllName, filename );
711 if ((p = strrchrW( wm->ldr.FullDllName.Buffer, '\\' ))) p++;
712 else p = wm->ldr.FullDllName.Buffer;
713 RtlInitUnicodeString( &wm->ldr.BaseDllName, p );
714
715 if (nt->FileHeader.Characteristics & IMAGE_FILE_DLL)
716 {
717 wm->ldr.Flags |= LDR_IMAGE_IS_DLL;
718 if (nt->OptionalHeader.AddressOfEntryPoint)
719 wm->ldr.EntryPoint = (char *)hModule + nt->OptionalHeader.AddressOfEntryPoint;
720 }
721
722 InsertTailList(&NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList,
723 &wm->ldr.InLoadOrderModuleList);
724
725 /* insert module in MemoryList, sorted in increasing base addresses */
726 mark = &NtCurrentTeb()->Peb->LdrData->InMemoryOrderModuleList;
727 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
728 {
729 if (CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList)->BaseAddress > wm->ldr.BaseAddress)
730 break;
731 }
732 entry->Blink->Flink = &wm->ldr.InMemoryOrderModuleList;
733 wm->ldr.InMemoryOrderModuleList.Blink = entry->Blink;
734 wm->ldr.InMemoryOrderModuleList.Flink = entry;
735 entry->Blink = &wm->ldr.InMemoryOrderModuleList;
736
737 /* wait until init is called for inserting into this list */
738 wm->ldr.InInitializationOrderModuleList.Flink = NULL;
739 wm->ldr.InInitializationOrderModuleList.Blink = NULL;
740
741 if (!(nt->OptionalHeader.DllCharacteristics & IMAGE_DLLCHARACTERISTICS_NX_COMPAT))
742 {
743 WARN( "disabling no-exec because of %s\n", debugstr_w(wm->ldr.BaseDllName.Buffer) );
744 VIRTUAL_SetForceExec( TRUE );
745 }
746 return wm;
747 }
748
749
750 /*************************************************************************
751 * alloc_process_tls
752 *
753 * Allocate the process-wide structure for module TLS storage.
754 */
755 static NTSTATUS alloc_process_tls(void)
756 {
757 PLIST_ENTRY mark, entry;
758 PLDR_MODULE mod;
759 const IMAGE_TLS_DIRECTORY *dir;
760 ULONG size, i;
761
762 mark = &NtCurrentTeb()->Peb->LdrData->InMemoryOrderModuleList;
763 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
764 {
765 mod = CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList);
766 if (!(dir = RtlImageDirectoryEntryToData( mod->BaseAddress, TRUE,
767 IMAGE_DIRECTORY_ENTRY_TLS, &size )))
768 continue;
769 size = (dir->EndAddressOfRawData - dir->StartAddressOfRawData) + dir->SizeOfZeroFill;
770 if (!size) continue;
771 tls_total_size += size;
772 tls_module_count++;
773 }
774 if (!tls_module_count) return STATUS_SUCCESS;
775
776 TRACE( "count %u size %u\n", tls_module_count, tls_total_size );
777
778 tls_dirs = RtlAllocateHeap( GetProcessHeap(), 0, tls_module_count * sizeof(*tls_dirs) );
779 if (!tls_dirs) return STATUS_NO_MEMORY;
780
781 for (i = 0, entry = mark->Flink; entry != mark; entry = entry->Flink)
782 {
783 mod = CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList);
784 if (!(dir = RtlImageDirectoryEntryToData( mod->BaseAddress, TRUE,
785 IMAGE_DIRECTORY_ENTRY_TLS, &size )))
786 continue;
787 tls_dirs[i] = dir;
788 *(DWORD *)dir->AddressOfIndex = i;
789 mod->TlsIndex = i;
790 mod->LoadCount = -1; /* can't unload it */
791 i++;
792 }
793 return STATUS_SUCCESS;
794 }
795
796
797 /*************************************************************************
798 * alloc_thread_tls
799 *
800 * Allocate the per-thread structure for module TLS storage.
801 */
802 static NTSTATUS alloc_thread_tls(void)
803 {
804 void **pointers;
805 char *data;
806 UINT i;
807
808 if (!tls_module_count) return STATUS_SUCCESS;
809
810 if (!(pointers = RtlAllocateHeap( GetProcessHeap(), 0,
811 tls_module_count * sizeof(*pointers) )))
812 return STATUS_NO_MEMORY;
813
814 if (!(data = RtlAllocateHeap( GetProcessHeap(), 0, tls_total_size )))
815 {
816 RtlFreeHeap( GetProcessHeap(), 0, pointers );
817 return STATUS_NO_MEMORY;
818 }
819
820 for (i = 0; i < tls_module_count; i++)
821 {
822 const IMAGE_TLS_DIRECTORY *dir = tls_dirs[i];
823 ULONG size = dir->EndAddressOfRawData - dir->StartAddressOfRawData;
824
825 TRACE( "thread %04x idx %d: %d/%d bytes from %p to %p\n",
826 GetCurrentThreadId(), i, size, dir->SizeOfZeroFill,
827 (void *)dir->StartAddressOfRawData, data );
828
829 pointers[i] = data;
830 memcpy( data, (void *)dir->StartAddressOfRawData, size );
831 data += size;
832 memset( data, 0, dir->SizeOfZeroFill );
833 data += dir->SizeOfZeroFill;
834 }
835 NtCurrentTeb()->ThreadLocalStoragePointer = pointers;
836 return STATUS_SUCCESS;
837 }
838
839
840 /*************************************************************************
841 * call_tls_callbacks
842 */
843 static void call_tls_callbacks( HMODULE module, UINT reason )
844 {
845 const IMAGE_TLS_DIRECTORY *dir;
846 const PIMAGE_TLS_CALLBACK *callback;
847 ULONG dirsize;
848
849 dir = RtlImageDirectoryEntryToData( module, TRUE, IMAGE_DIRECTORY_ENTRY_TLS, &dirsize );
850 if (!dir || !dir->AddressOfCallBacks) return;
851
852 for (callback = (const PIMAGE_TLS_CALLBACK *)dir->AddressOfCallBacks; *callback; callback++)
853 {
854 if (TRACE_ON(relay))
855 DPRINTF("%04x:Call TLS callback (proc=%p,module=%p,reason=%s,reserved=0)\n",
856 GetCurrentThreadId(), *callback, module, reason_names[reason] );
857 __TRY
858 {
859 (*callback)( module, reason, NULL );
860 }
861 __EXCEPT_ALL
862 {
863 if (TRACE_ON(relay))
864 DPRINTF("%04x:exception in TLS callback (proc=%p,module=%p,reason=%s,reserved=0)\n",
865 GetCurrentThreadId(), callback, module, reason_names[reason] );
866 return;
867 }
868 __ENDTRY
869 if (TRACE_ON(relay))
870 DPRINTF("%04x:Ret TLS callback (proc=%p,module=%p,reason=%s,reserved=0)\n",
871 GetCurrentThreadId(), *callback, module, reason_names[reason] );
872 }
873 }
874
875
876 /*************************************************************************
877 * MODULE_InitDLL
878 */
879 static NTSTATUS MODULE_InitDLL( WINE_MODREF *wm, UINT reason, LPVOID lpReserved )
880 {
881 WCHAR mod_name[32];
882 NTSTATUS status = STATUS_SUCCESS;
883 DLLENTRYPROC entry = wm->ldr.EntryPoint;
884 void *module = wm->ldr.BaseAddress;
885 BOOL retv = TRUE;
886
887 /* Skip calls for modules loaded with special load flags */
888
889 if (wm->ldr.Flags & LDR_DONT_RESOLVE_REFS) return STATUS_SUCCESS;
890 if (wm->ldr.TlsIndex != -1) call_tls_callbacks( wm->ldr.BaseAddress, reason );
891 if (!entry) return STATUS_SUCCESS;
892
893 if (TRACE_ON(relay))
894 {
895 size_t len = min( wm->ldr.BaseDllName.Length, sizeof(mod_name)-sizeof(WCHAR) );
896 memcpy( mod_name, wm->ldr.BaseDllName.Buffer, len );
897 mod_name[len / sizeof(WCHAR)] = 0;
898 DPRINTF("%04x:Call PE DLL (proc=%p,module=%p %s,reason=%s,res=%p)\n",
899 GetCurrentThreadId(), entry, module, debugstr_w(mod_name),
900 reason_names[reason], lpReserved );
901 }
902 else TRACE("(%p %s,%s,%p) - CALL\n", module, debugstr_w(wm->ldr.BaseDllName.Buffer),
903 reason_names[reason], lpReserved );
904
905 __TRY
906 {
907 retv = call_dll_entry_point( entry, module, reason, lpReserved );
908 if (!retv)
909 status = STATUS_DLL_INIT_FAILED;
910 }
911 __EXCEPT_ALL
912 {
913 if (TRACE_ON(relay))
914 DPRINTF("%04x:exception in PE entry point (proc=%p,module=%p,reason=%s,res=%p)\n",
915 GetCurrentThreadId(), entry, module, reason_names[reason], lpReserved );
916 status = GetExceptionCode();
917 }
918 __ENDTRY
919
920 /* The state of the module list may have changed due to the call
921 to the dll. We cannot assume that this module has not been
922 deleted. */
923 if (TRACE_ON(relay))
924 DPRINTF("%04x:Ret PE DLL (proc=%p,module=%p %s,reason=%s,res=%p) retval=%x\n",
925 GetCurrentThreadId(), entry, module, debugstr_w(mod_name),
926 reason_names[reason], lpReserved, retv );
927 else TRACE("(%p,%s,%p) - RETURN %d\n", module, reason_names[reason], lpReserved, retv );
928
929 return status;
930 }
931
932
933 /*************************************************************************
934 * process_attach
935 *
936 * Send the process attach notification to all DLLs the given module
937 * depends on (recursively). This is somewhat complicated due to the fact that
938 *
939 * - we have to respect the module dependencies, i.e. modules implicitly
940 * referenced by another module have to be initialized before the module
941 * itself can be initialized
942 *
943 * - the initialization routine of a DLL can itself call LoadLibrary,
944 * thereby introducing a whole new set of dependencies (even involving
945 * the 'old' modules) at any time during the whole process
946 *
947 * (Note that this routine can be recursively entered not only directly
948 * from itself, but also via LoadLibrary from one of the called initialization
949 * routines.)
950 *
951 * Furthermore, we need to rearrange the main WINE_MODREF list to allow
952 * the process *detach* notifications to be sent in the correct order.
953 * This must not only take into account module dependencies, but also
954 * 'hidden' dependencies created by modules calling LoadLibrary in their
955 * attach notification routine.
956 *
957 * The strategy is rather simple: we move a WINE_MODREF to the head of the
958 * list after the attach notification has returned. This implies that the
959 * detach notifications are called in the reverse of the sequence the attach
960 * notifications *returned*.
961 *
962 * The loader_section must be locked while calling this function.
963 */
964 static NTSTATUS process_attach( WINE_MODREF *wm, LPVOID lpReserved )
965 {
966 NTSTATUS status = STATUS_SUCCESS;
967 ULONG_PTR cookie;
968 int i;
969
970 if (process_detaching) return status;
971
972 /* prevent infinite recursion in case of cyclical dependencies */
973 if ( ( wm->ldr.Flags & LDR_LOAD_IN_PROGRESS )
974 || ( wm->ldr.Flags & LDR_PROCESS_ATTACHED ) )
975 return status;
976
977 TRACE("(%s,%p) - START\n", debugstr_w(wm->ldr.BaseDllName.Buffer), lpReserved );
978
979 /* Tag current MODREF to prevent recursive loop */
980 wm->ldr.Flags |= LDR_LOAD_IN_PROGRESS;
981 if (lpReserved) wm->ldr.LoadCount = -1; /* pin it if imported by the main exe */
982 if (wm->ldr.ActivationContext) RtlActivateActivationContext( 0, wm->ldr.ActivationContext, &cookie );
983
984 /* Recursively attach all DLLs this one depends on */
985 for ( i = 0; i < wm->nDeps; i++ )
986 {
987 if (!wm->deps[i]) continue;
988 if ((status = process_attach( wm->deps[i], lpReserved )) != STATUS_SUCCESS) break;
989 }
990
991 /* Call DLL entry point */
992 if (status == STATUS_SUCCESS)
993 {
994 WINE_MODREF *prev = current_modref;
995 current_modref = wm;
996 status = MODULE_InitDLL( wm, DLL_PROCESS_ATTACH, lpReserved );
997 if (status == STATUS_SUCCESS)
998 wm->ldr.Flags |= LDR_PROCESS_ATTACHED;
999 else
1000 {
1001 /* point to the name so LdrInitializeThunk can print it */
1002 last_failed_modref = wm;
1003 WARN("Initialization of %s failed\n", debugstr_w(wm->ldr.BaseDllName.Buffer));
1004 }
1005 current_modref = prev;
1006 }
1007
1008 if (!wm->ldr.InInitializationOrderModuleList.Flink)
1009 InsertTailList(&NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList,
1010 &wm->ldr.InInitializationOrderModuleList);
1011
1012 if (wm->ldr.ActivationContext) RtlDeactivateActivationContext( 0, cookie );
1013 /* Remove recursion flag */
1014 wm->ldr.Flags &= ~LDR_LOAD_IN_PROGRESS;
1015
1016 TRACE("(%s,%p) - END\n", debugstr_w(wm->ldr.BaseDllName.Buffer), lpReserved );
1017 return status;
1018 }
1019
1020
1021 /**********************************************************************
1022 * attach_implicitly_loaded_dlls
1023 *
1024 * Attach to the (builtin) dlls that have been implicitly loaded because
1025 * of a dependency at the Unix level, but not imported at the Win32 level.
1026 */
1027 static void attach_implicitly_loaded_dlls( LPVOID reserved )
1028 {
1029 for (;;)
1030 {
1031 PLIST_ENTRY mark, entry;
1032
1033 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
1034 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
1035 {
1036 LDR_MODULE *mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
1037
1038 if (mod->Flags & (LDR_LOAD_IN_PROGRESS | LDR_PROCESS_ATTACHED)) continue;
1039 TRACE( "found implicitly loaded %s, attaching to it\n",
1040 debugstr_w(mod->BaseDllName.Buffer));
1041 process_attach( CONTAINING_RECORD(mod, WINE_MODREF, ldr), reserved );
1042 break; /* restart the search from the start */
1043 }
1044 if (entry == mark) break; /* nothing found */
1045 }
1046 }
1047
1048
1049 /*************************************************************************
1050 * process_detach
1051 *
1052 * Send DLL process detach notifications. See the comment about calling
1053 * sequence at process_attach. Unless the bForceDetach flag
1054 * is set, only DLLs with zero refcount are notified.
1055 */
1056 static void process_detach( BOOL bForceDetach, LPVOID lpReserved )
1057 {
1058 PLIST_ENTRY mark, entry;
1059 PLDR_MODULE mod;
1060
1061 RtlEnterCriticalSection( &loader_section );
1062 if (bForceDetach) process_detaching = 1;
1063 mark = &NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList;
1064 do
1065 {
1066 for (entry = mark->Blink; entry != mark; entry = entry->Blink)
1067 {
1068 mod = CONTAINING_RECORD(entry, LDR_MODULE,
1069 InInitializationOrderModuleList);
1070 /* Check whether to detach this DLL */
1071 if ( !(mod->Flags & LDR_PROCESS_ATTACHED) )
1072 continue;
1073 if ( mod->LoadCount && !bForceDetach )
1074 continue;
1075
1076 /* Call detach notification */
1077 mod->Flags &= ~LDR_PROCESS_ATTACHED;
1078 MODULE_InitDLL( CONTAINING_RECORD(mod, WINE_MODREF, ldr),
1079 DLL_PROCESS_DETACH, lpReserved );
1080
1081 /* Restart at head of WINE_MODREF list, as entries might have
1082 been added and/or removed while performing the call ... */
1083 break;
1084 }
1085 } while (entry != mark);
1086
1087 RtlLeaveCriticalSection( &loader_section );
1088 }
1089
1090 /*************************************************************************
1091 * MODULE_DllThreadAttach
1092 *
1093 * Send DLL thread attach notifications. These are sent in the
1094 * reverse sequence of process detach notification.
1095 *
1096 */
1097 NTSTATUS MODULE_DllThreadAttach( LPVOID lpReserved )
1098 {
1099 PLIST_ENTRY mark, entry;
1100 PLDR_MODULE mod;
1101 NTSTATUS status;
1102
1103 /* don't do any attach calls if process is exiting */
1104 if (process_detaching) return STATUS_SUCCESS;
1105 /* FIXME: there is still a race here */
1106
1107 RtlEnterCriticalSection( &loader_section );
1108
1109 if ((status = alloc_thread_tls()) != STATUS_SUCCESS) goto done;
1110
1111 mark = &NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList;
1112 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
1113 {
1114 mod = CONTAINING_RECORD(entry, LDR_MODULE,
1115 InInitializationOrderModuleList);
1116 if ( !(mod->Flags & LDR_PROCESS_ATTACHED) )
1117 continue;
1118 if ( mod->Flags & LDR_NO_DLL_CALLS )
1119 continue;
1120
1121 MODULE_InitDLL( CONTAINING_RECORD(mod, WINE_MODREF, ldr),
1122 DLL_THREAD_ATTACH, lpReserved );
1123 }
1124
1125 done:
1126 RtlLeaveCriticalSection( &loader_section );
1127 return status;
1128 }
1129
1130 /******************************************************************
1131 * LdrDisableThreadCalloutsForDll (NTDLL.@)
1132 *
1133 */
1134 NTSTATUS WINAPI LdrDisableThreadCalloutsForDll(HMODULE hModule)
1135 {
1136 WINE_MODREF *wm;
1137 NTSTATUS ret = STATUS_SUCCESS;
1138
1139 RtlEnterCriticalSection( &loader_section );
1140
1141 wm = get_modref( hModule );
1142 if (!wm || wm->ldr.TlsIndex != -1)
1143 ret = STATUS_DLL_NOT_FOUND;
1144 else
1145 wm->ldr.Flags |= LDR_NO_DLL_CALLS;
1146
1147 RtlLeaveCriticalSection( &loader_section );
1148
1149 return ret;
1150 }
1151
1152 /******************************************************************
1153 * LdrFindEntryForAddress (NTDLL.@)
1154 *
1155 * The loader_section must be locked while calling this function
1156 */
1157 NTSTATUS WINAPI LdrFindEntryForAddress(const void* addr, PLDR_MODULE* pmod)
1158 {
1159 PLIST_ENTRY mark, entry;
1160 PLDR_MODULE mod;
1161
1162 mark = &NtCurrentTeb()->Peb->LdrData->InMemoryOrderModuleList;
1163 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
1164 {
1165 mod = CONTAINING_RECORD(entry, LDR_MODULE, InMemoryOrderModuleList);
1166 if ((const void *)mod->BaseAddress <= addr &&
1167 (const char *)addr < (char*)mod->BaseAddress + mod->SizeOfImage)
1168 {
1169 *pmod = mod;
1170 return STATUS_SUCCESS;
1171 }
1172 if ((const void *)mod->BaseAddress > addr) break;
1173 }
1174 return STATUS_NO_MORE_ENTRIES;
1175 }
1176
1177 /******************************************************************
1178 * LdrLockLoaderLock (NTDLL.@)
1179 *
1180 * Note: flags are not implemented.
1181 * Flag 0x01 is used to raise exceptions on errors.
1182 * Flag 0x02 is used to avoid waiting on the section (does RtlTryEnterCriticalSection instead).
1183 */
1184 NTSTATUS WINAPI LdrLockLoaderLock( ULONG flags, ULONG *result, ULONG *magic )
1185 {
1186 if (flags) FIXME( "flags %x not supported\n", flags );
1187
1188 if (result) *result = 1;
1189 if (!magic) return STATUS_INVALID_PARAMETER_3;
1190 RtlEnterCriticalSection( &loader_section );
1191 *magic = GetCurrentThreadId();
1192 return STATUS_SUCCESS;
1193 }
1194
1195
1196 /******************************************************************
1197 * LdrUnlockLoaderUnlock (NTDLL.@)
1198 */
1199 NTSTATUS WINAPI LdrUnlockLoaderLock( ULONG flags, ULONG magic )
1200 {
1201 if (magic)
1202 {
1203 if (magic != GetCurrentThreadId()) return STATUS_INVALID_PARAMETER_2;
1204 RtlLeaveCriticalSection( &loader_section );
1205 }
1206 return STATUS_SUCCESS;
1207 }
1208
1209
1210 /******************************************************************
1211 * LdrGetProcedureAddress (NTDLL.@)
1212 */
1213 NTSTATUS WINAPI LdrGetProcedureAddress(HMODULE module, const ANSI_STRING *name,
1214 ULONG ord, PVOID *address)
1215 {
1216 IMAGE_EXPORT_DIRECTORY *exports;
1217 DWORD exp_size;
1218 NTSTATUS ret = STATUS_PROCEDURE_NOT_FOUND;
1219
1220 RtlEnterCriticalSection( &loader_section );
1221
1222 /* check if the module itself is invalid to return the proper error */
1223 if (!get_modref( module )) ret = STATUS_DLL_NOT_FOUND;
1224 else if ((exports = RtlImageDirectoryEntryToData( module, TRUE,
1225 IMAGE_DIRECTORY_ENTRY_EXPORT, &exp_size )))
1226 {
1227 LPCWSTR load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
1228 void *proc = name ? find_named_export( module, exports, exp_size, name->Buffer, -1, load_path )
1229 : find_ordinal_export( module, exports, exp_size, ord - exports->Base, load_path );
1230 if (proc)
1231 {
1232 *address = proc;
1233 ret = STATUS_SUCCESS;
1234 }
1235 }
1236
1237 RtlLeaveCriticalSection( &loader_section );
1238 return ret;
1239 }
1240
1241
1242 /***********************************************************************
1243 * is_fake_dll
1244 *
1245 * Check if a loaded native dll is a Wine fake dll.
1246 */
1247 static BOOL is_fake_dll( const void *base )
1248 {
1249 static const char fakedll_signature[] = "Wine placeholder DLL";
1250 const IMAGE_DOS_HEADER *dos = base;
1251
1252 if (dos->e_lfanew >= sizeof(*dos) + sizeof(fakedll_signature) &&
1253 !memcmp( dos + 1, fakedll_signature, sizeof(fakedll_signature) )) return TRUE;
1254 return FALSE;
1255 }
1256
1257
1258 /***********************************************************************
1259 * get_builtin_fullname
1260 *
1261 * Build the full pathname for a builtin dll.
1262 */
1263 static WCHAR *get_builtin_fullname( const WCHAR *path, const char *filename )
1264 {
1265 static const WCHAR soW[] = {'.','s','o',0};
1266 WCHAR *p, *fullname;
1267 size_t i, len = strlen(filename);
1268
1269 /* check if path can correspond to the dll we have */
1270 if (path && (p = strrchrW( path, '\\' )))
1271 {
1272 p++;
1273 for (i = 0; i < len; i++)
1274 if (tolowerW(p[i]) != tolowerW( (WCHAR)filename[i]) ) break;
1275 if (i == len && (!p[len] || !strcmpiW( p + len, soW )))
1276 {
1277 /* the filename matches, use path as the full path */
1278 len += p - path;
1279 if ((fullname = RtlAllocateHeap( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) )))
1280 {
1281 memcpy( fullname, path, len * sizeof(WCHAR) );
1282 fullname[len] = 0;
1283 }
1284 return fullname;
1285 }
1286 }
1287
1288 if ((fullname = RtlAllocateHeap( GetProcessHeap(), 0,
1289 system_dir.MaximumLength + (len + 1) * sizeof(WCHAR) )))
1290 {
1291 memcpy( fullname, system_dir.Buffer, system_dir.Length );
1292 p = fullname + system_dir.Length / sizeof(WCHAR);
1293 if (p > fullname && p[-1] != '\\') *p++ = '\\';
1294 ascii_to_unicode( p, filename, len + 1 );
1295 }
1296 return fullname;
1297 }
1298
1299
1300 /***********************************************************************
1301 * load_builtin_callback
1302 *
1303 * Load a library in memory; callback function for wine_dll_register
1304 */
1305 static void load_builtin_callback( void *module, const char *filename )
1306 {
1307 static const WCHAR emptyW[1];
1308 void *addr;
1309 IMAGE_NT_HEADERS *nt;
1310 WINE_MODREF *wm;
1311 WCHAR *fullname;
1312 const WCHAR *load_path;
1313 SIZE_T size;
1314
1315 if (!module)
1316 {
1317 ERR("could not map image for %s\n", filename ? filename : "main exe" );
1318 return;
1319 }
1320 if (!(nt = RtlImageNtHeader( module )))
1321 {
1322 ERR( "bad module for %s\n", filename ? filename : "main exe" );
1323 builtin_load_info->status = STATUS_INVALID_IMAGE_FORMAT;
1324 return;
1325 }
1326 addr = module;
1327 size = nt->OptionalHeader.SizeOfImage;
1328 NtAllocateVirtualMemory( NtCurrentProcess(), &addr, 0, &size,
1329 MEM_SYSTEM | MEM_IMAGE, PAGE_EXECUTE_WRITECOPY );
1330 /* create the MODREF */
1331
1332 if (!(fullname = get_builtin_fullname( builtin_load_info->filename, filename )))
1333 {
1334 ERR( "can't load %s\n", filename );
1335 builtin_load_info->status = STATUS_NO_MEMORY;
1336 return;
1337 }
1338
1339 wm = alloc_module( module, fullname );
1340 RtlFreeHeap( GetProcessHeap(), 0, fullname );
1341 if (!wm)
1342 {
1343 ERR( "can't load %s\n", filename );
1344 builtin_load_info->status = STATUS_NO_MEMORY;
1345 return;
1346 }
1347 wm->ldr.Flags |= LDR_WINE_INTERNAL;
1348
1349 if (!(nt->FileHeader.Characteristics & IMAGE_FILE_DLL) &&
1350 !NtCurrentTeb()->Peb->ImageBaseAddress) /* if we already have an executable, ignore this one */
1351 {
1352 NtCurrentTeb()->Peb->ImageBaseAddress = module;
1353 }
1354 else
1355 {
1356 /* fixup imports */
1357
1358 load_path = builtin_load_info->load_path;
1359 if (!load_path) load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
1360 if (!load_path) load_path = emptyW;
1361 if (fixup_imports( wm, load_path ) != STATUS_SUCCESS)
1362 {
1363 /* the module has only be inserted in the load & memory order lists */
1364 RemoveEntryList(&wm->ldr.InLoadOrderModuleList);
1365 RemoveEntryList(&wm->ldr.InMemoryOrderModuleList);
1366 /* FIXME: free the modref */
1367 builtin_load_info->status = STATUS_DLL_NOT_FOUND;
1368 return;
1369 }
1370 }
1371
1372 builtin_load_info->wm = wm;
1373 TRACE( "loaded %s %p %p\n", filename, wm, module );
1374
1375 /* send the DLL load event */
1376
1377 SERVER_START_REQ( load_dll )
1378 {
1379 req->handle = 0;
1380 req->base = module;
1381 req->size = nt->OptionalHeader.SizeOfImage;
1382 req->dbg_offset = nt->FileHeader.PointerToSymbolTable;
1383 req->dbg_size = nt->FileHeader.NumberOfSymbols;
1384 req->name = &wm->ldr.FullDllName.Buffer;
1385 wine_server_add_data( req, wm->ldr.FullDllName.Buffer, wm->ldr.FullDllName.Length );
1386 wine_server_call( req );
1387 }
1388 SERVER_END_REQ;
1389
1390 /* setup relay debugging entry points */
1391 if (TRACE_ON(relay)) RELAY_SetupDLL( module );
1392 }
1393
1394
1395 /******************************************************************************
1396 * load_native_dll (internal)
1397 */
1398 static NTSTATUS load_native_dll( LPCWSTR load_path, LPCWSTR name, HANDLE file,
1399 DWORD flags, WINE_MODREF** pwm )
1400 {
1401 void *module;
1402 HANDLE mapping;
1403 OBJECT_ATTRIBUTES attr;
1404 LARGE_INTEGER size;
1405 IMAGE_NT_HEADERS *nt;
1406 SIZE_T len = 0;
1407 WINE_MODREF *wm;
1408 NTSTATUS status;
1409
1410 TRACE("Trying native dll %s\n", debugstr_w(name));
1411
1412 attr.Length = sizeof(attr);
1413 attr.RootDirectory = 0;
1414 attr.ObjectName = NULL;
1415 attr.Attributes = 0;
1416 attr.SecurityDescriptor = NULL;
1417 attr.SecurityQualityOfService = NULL;
1418 size.QuadPart = 0;
1419
1420 status = NtCreateSection( &mapping, STANDARD_RIGHTS_REQUIRED | SECTION_QUERY | SECTION_MAP_READ,
1421 &attr, &size, 0, SEC_IMAGE, file );
1422 if (status != STATUS_SUCCESS) return status;
1423
1424 module = NULL;
1425 status = NtMapViewOfSection( mapping, NtCurrentProcess(),
1426 &module, 0, 0, &size, &len, ViewShare, 0, PAGE_READONLY );
1427 NtClose( mapping );
1428 if (status != STATUS_SUCCESS) return status;
1429
1430 if (is_fake_dll( module ))
1431 {
1432 TRACE( "%s is a fake dll, not loading it\n", debugstr_w(name) );
1433 NtUnmapViewOfSection( NtCurrentProcess(), module );
1434 return STATUS_DLL_NOT_FOUND;
1435 }
1436
1437 /* create the MODREF */
1438
1439 if (!(wm = alloc_module( module, name ))) return STATUS_NO_MEMORY;
1440
1441 /* fixup imports */
1442
1443 if (!(flags & DONT_RESOLVE_DLL_REFERENCES))
1444 {
1445 if ((status = fixup_imports( wm, load_path )) != STATUS_SUCCESS)
1446 {
1447 /* the module has only be inserted in the load & memory order lists */
1448 RemoveEntryList(&wm->ldr.InLoadOrderModuleList);
1449 RemoveEntryList(&wm->ldr.InMemoryOrderModuleList);
1450
1451 /* FIXME: there are several more dangling references
1452 * left. Including dlls loaded by this dll before the
1453 * failed one. Unrolling is rather difficult with the
1454 * current structure and we can leave them lying
1455 * around with no problems, so we don't care.
1456 * As these might reference our wm, we don't free it.
1457 */
1458 return status;
1459 }
1460 }
1461
1462 /* send DLL load event */
1463
1464 nt = RtlImageNtHeader( module );
1465
1466 SERVER_START_REQ( load_dll )
1467 {
1468 req->handle = file;
1469 req->base = module;
1470 req->size = nt->OptionalHeader.SizeOfImage;
1471 req->dbg_offset = nt->FileHeader.PointerToSymbolTable;
1472 req->dbg_size = nt->FileHeader.NumberOfSymbols;
1473 req->name = &wm->ldr.FullDllName.Buffer;
1474 wine_server_add_data( req, wm->ldr.FullDllName.Buffer, wm->ldr.FullDllName.Length );
1475 wine_server_call( req );
1476 }
1477 SERVER_END_REQ;
1478
1479 if ((wm->ldr.Flags & LDR_IMAGE_IS_DLL) && TRACE_ON(snoop)) SNOOP_SetupDLL( module );
1480
1481 TRACE_(loaddll)( "Loaded %s at %p: native\n", debugstr_w(wm->ldr.FullDllName.Buffer), module );
1482
1483 wm->ldr.LoadCount = 1;
1484 *pwm = wm;
1485 return STATUS_SUCCESS;
1486 }
1487
1488
1489 /***********************************************************************
1490 * load_builtin_dll
1491 */
1492 static NTSTATUS load_builtin_dll( LPCWSTR load_path, LPCWSTR path, HANDLE file,
1493 DWORD flags, WINE_MODREF** pwm )
1494 {
1495 char error[256], dllname[MAX_PATH];
1496 const WCHAR *name, *p;
1497 DWORD len, i;
1498 void *handle = NULL;
1499 struct builtin_load_info info, *prev_info;
1500
1501 /* Fix the name in case we have a full path and extension */
1502 name = path;
1503 if ((p = strrchrW( name, '\\' ))) name = p + 1;
1504 if ((p = strrchrW( name, '/' ))) name = p + 1;
1505
1506 /* load_library will modify info.status. Note also that load_library can be
1507 * called several times, if the .so file we're loading has dependencies.
1508 * info.status will gather all the errors we may get while loading all these
1509 * libraries
1510 */
1511 info.load_path = load_path;
1512 info.filename = NULL;
1513 info.status = STATUS_SUCCESS;
1514 info.wm = NULL;
1515
1516 if (file) /* we have a real file, try to load it */
1517 {
1518 UNICODE_STRING nt_name;
1519 ANSI_STRING unix_name;
1520
1521 TRACE("Trying built-in %s\n", debugstr_w(path));
1522
1523 if (!RtlDosPathNameToNtPathName_U( path, &nt_name, NULL, NULL ))
1524 return STATUS_DLL_NOT_FOUND;
1525
1526 if (wine_nt_to_unix_file_name( &nt_name, &unix_name, FILE_OPEN, FALSE ))
1527 {
1528 RtlFreeUnicodeString( &nt_name );
1529 return STATUS_DLL_NOT_FOUND;
1530 }
1531 prev_info = builtin_load_info;
1532 info.filename = nt_name.Buffer + 4; /* skip \??\ */
1533 builtin_load_info = &info;
1534 handle = wine_dlopen( unix_name.Buffer, RTLD_NOW, error, sizeof(error) );
1535 builtin_load_info = prev_info;
1536 RtlFreeUnicodeString( &nt_name );
1537 RtlFreeHeap( GetProcessHeap(), 0, unix_name.Buffer );
1538 if (!handle)
1539 {
1540 WARN( "failed to load .so lib for builtin %s: %s\n", debugstr_w(path), error );
1541 return STATUS_INVALID_IMAGE_FORMAT;
1542 }
1543 }
1544 else
1545 {
1546 int file_exists;
1547
1548 TRACE("Trying built-in %s\n", debugstr_w(name));
1549
1550 /* we don't want to depend on the current codepage here */
1551 len = strlenW( name ) + 1;
1552 if (len >= sizeof(dllname)) return STATUS_NAME_TOO_LONG;
1553 for (i = 0; i < len; i++)
1554 {
1555 if (name[i] > 127) return STATUS_DLL_NOT_FOUND;
1556 dllname[i] = (char)name[i];
1557 if (dllname[i] >= 'A' && dllname[i] <= 'Z') dllname[i] += 'a' - 'A';
1558 }
1559
1560 prev_info = builtin_load_info;
1561 builtin_load_info = &info;
1562 handle = wine_dll_load( dllname, error, sizeof(error), &file_exists );
1563 builtin_load_info = prev_info;
1564 if (!handle)
1565 {
1566 if (!file_exists)
1567 {
1568 /* The file does not exist -> WARN() */
1569 WARN("cannot open .so lib for builtin %s: %s\n", debugstr_w(name), error);
1570 return STATUS_DLL_NOT_FOUND;
1571 }
1572 /* ERR() for all other errors (missing functions, ...) */
1573 ERR("failed to load .so lib for builtin %s: %s\n", debugstr_w(name), error );
1574 return STATUS_PROCEDURE_NOT_FOUND;
1575 }
1576 }
1577
1578 if (info.status != STATUS_SUCCESS)
1579 {
1580 wine_dll_unload( handle );
1581 return info.status;
1582 }
1583
1584 if (!info.wm)
1585 {
1586 PLIST_ENTRY mark, entry;
1587
1588 /* The constructor wasn't called, this means the .so is already
1589 * loaded under a different name. Try to find the wm for it. */
1590
1591 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
1592 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
1593 {
1594 LDR_MODULE *mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
1595 if (mod->Flags & LDR_WINE_INTERNAL && mod->SectionHandle == handle)
1596 {
1597 info.wm = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
1598 TRACE( "Found %s at %p for builtin %s\n",
1599 debugstr_w(info.wm->ldr.FullDllName.Buffer), info.wm->ldr.BaseAddress, debugstr_w(path) );
1600 break;
1601 }
1602 }
1603 wine_dll_unload( handle ); /* release the libdl refcount */
1604 if (!info.wm) return STATUS_INVALID_IMAGE_FORMAT;
1605 if (info.wm->ldr.LoadCount != -1) info.wm->ldr.LoadCount++;
1606 }
1607 else
1608 {
1609 TRACE_(loaddll)( "Loaded %s at %p: builtin\n", debugstr_w(info.wm->ldr.FullDllName.Buffer), info.wm->ldr.BaseAddress );
1610 info.wm->ldr.LoadCount = 1;
1611 info.wm->ldr.SectionHandle = handle;
1612 }
1613
1614 *pwm = info.wm;
1615 return STATUS_SUCCESS;
1616 }
1617
1618
1619 /***********************************************************************
1620 * find_actctx_dll
1621 *
1622 * Find the full path (if any) of the dll from the activation context.
1623 */
1624 static NTSTATUS find_actctx_dll( LPCWSTR libname, LPWSTR *fullname )
1625 {
1626 static const WCHAR winsxsW[] = {'\\','w','i','n','s','x','s','\\'};
1627 static const WCHAR dotManifestW[] = {'.','m','a','n','i','f','e','s','t',0};
1628
1629 ACTIVATION_CONTEXT_ASSEMBLY_DETAILED_INFORMATION *info;
1630 ACTCTX_SECTION_KEYED_DATA data;
1631 UNICODE_STRING nameW;
1632 NTSTATUS status;
1633 SIZE_T needed, size = 1024;
1634 WCHAR *p;
1635
1636 RtlInitUnicodeString( &nameW, libname );
1637 data.cbSize = sizeof(data);
1638 status = RtlFindActivationContextSectionString( FIND_ACTCTX_SECTION_KEY_RETURN_HACTCTX, NULL,
1639 ACTIVATION_CONTEXT_SECTION_DLL_REDIRECTION,
1640 &nameW, &data );
1641 if (status != STATUS_SUCCESS) return status;
1642
1643 for (;;)
1644 {
1645 if (!(info = RtlAllocateHeap( GetProcessHeap(), 0, size )))
1646 {
1647 status = STATUS_NO_MEMORY;
1648 goto done;
1649 }
1650 status = RtlQueryInformationActivationContext( 0, data.hActCtx, &data.ulAssemblyRosterIndex,
1651 AssemblyDetailedInformationInActivationContext,
1652 info, size, &needed );
1653 if (status == STATUS_SUCCESS) break;
1654 if (status != STATUS_BUFFER_TOO_SMALL) goto done;
1655 RtlFreeHeap( GetProcessHeap(), 0, info );
1656 size = needed;
1657 /* restart with larger buffer */
1658 }
1659
1660 if ((p = strrchrW( info->lpAssemblyManifestPath, '\\' )))
1661 {
1662 DWORD dirlen = info->ulAssemblyDirectoryNameLength / sizeof(WCHAR);
1663
1664 p++;
1665 if (strncmpiW( p, info->lpAssemblyDirectoryName, dirlen ) || strcmpiW( p + dirlen, dotManifestW ))
1666 {
1667 /* manifest name does not match directory name, so it's not a global
1668 * windows/winsxs manifest; use the manifest directory name instead */
1669 dirlen = p - info->lpAssemblyManifestPath;
1670 needed = (dirlen + 1) * sizeof(WCHAR) + nameW.Length;
1671 if (!(*fullname = p = RtlAllocateHeap( GetProcessHeap(), 0, needed )))
1672 {
1673 status = STATUS_NO_MEMORY;
1674 goto done;
1675 }
1676 memcpy( p, info->lpAssemblyManifestPath, dirlen * sizeof(WCHAR) );
1677 p += dirlen;
1678 strcpyW( p, libname );
1679 goto done;
1680 }
1681 }
1682
1683 needed = (windows_dir.Length + sizeof(winsxsW) + info->ulAssemblyDirectoryNameLength +
1684 nameW.Length + 2*sizeof(WCHAR));
1685
1686 if (!(*fullname = p = RtlAllocateHeap( GetProcessHeap(), 0, needed )))
1687 {
1688 status = STATUS_NO_MEMORY;
1689 goto done;
1690 }
1691 memcpy( p, windows_dir.Buffer, windows_dir.Length );
1692 p += windows_dir.Length / sizeof(WCHAR);
1693 memcpy( p, winsxsW, sizeof(winsxsW) );
1694 p += sizeof(winsxsW) / sizeof(WCHAR);
1695 memcpy( p, info->lpAssemblyDirectoryName, info->ulAssemblyDirectoryNameLength );
1696 p += info->ulAssemblyDirectoryNameLength / sizeof(WCHAR);
1697 *p++ = '\\';
1698 strcpyW( p, libname );
1699 done:
1700 RtlFreeHeap( GetProcessHeap(), 0, info );
1701 RtlReleaseActivationContext( data.hActCtx );
1702 return status;
1703 }
1704
1705
1706 /***********************************************************************
1707 * find_dll_file
1708 *
1709 * Find the file (or already loaded module) for a given dll name.
1710 */
1711 static NTSTATUS find_dll_file( const WCHAR *load_path, const WCHAR *libname,
1712 WCHAR *filename, ULONG *size, WINE_MODREF **pwm, HANDLE *handle )
1713 {
1714 OBJECT_ATTRIBUTES attr;
1715 IO_STATUS_BLOCK io;
1716 UNICODE_STRING nt_name;
1717 WCHAR *file_part, *ext, *dllname;
1718 ULONG len;
1719
1720 /* first append .dll if needed */
1721
1722 dllname = NULL;
1723 if (!(ext = strrchrW( libname, '.')) || strchrW( ext, '/' ) || strchrW( ext, '\\'))
1724 {
1725 if (!(dllname = RtlAllocateHeap( GetProcessHeap(), 0,
1726 (strlenW(libname) * sizeof(WCHAR)) + sizeof(dllW) )))
1727 return STATUS_NO_MEMORY;
1728 strcpyW( dllname, libname );
1729 strcatW( dllname, dllW );
1730 libname = dllname;
1731 }
1732
1733 nt_name.Buffer = NULL;
1734
1735 if (!contains_path( libname ))
1736 {
1737 NTSTATUS status;
1738 WCHAR *fullname = NULL;
1739
1740 if ((*pwm = find_basename_module( libname )) != NULL) goto found;
1741
1742 status = find_actctx_dll( libname, &fullname );
1743 if (status == STATUS_SUCCESS)
1744 {
1745 TRACE ("found %s for %s\n", debugstr_w(fullname), debugstr_w(libname) );
1746 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1747 libname = dllname = fullname;
1748 }
1749 else if (status != STATUS_SXS_KEY_NOT_FOUND)
1750 {
1751 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1752 return status;
1753 }
1754 }
1755
1756 if (RtlDetermineDosPathNameType_U( libname ) == RELATIVE_PATH)
1757 {
1758 /* we need to search for it */
1759 len = RtlDosSearchPath_U( load_path, libname, NULL, *size, filename, &file_part );
1760 if (len)
1761 {
1762 if (len >= *size) goto overflow;
1763 if ((*pwm = find_fullname_module( filename )) || !handle) goto found;
1764
1765 if (!RtlDosPathNameToNtPathName_U( filename, &nt_name, NULL, NULL ))
1766 {
1767 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1768 return STATUS_NO_MEMORY;
1769 }
1770 attr.Length = sizeof(attr);
1771 attr.RootDirectory = 0;
1772 attr.Attributes = OBJ_CASE_INSENSITIVE;
1773 attr.ObjectName = &nt_name;
1774 attr.SecurityDescriptor = NULL;
1775 attr.SecurityQualityOfService = NULL;
1776 if (NtOpenFile( handle, GENERIC_READ, &attr, &io, FILE_SHARE_READ|FILE_SHARE_DELETE, 0 )) *handle = 0;
1777 goto found;
1778 }
1779
1780 /* not found */
1781
1782 if (!contains_path( libname ))
1783 {
1784 /* if libname doesn't contain a path at all, we simply return the name as is,
1785 * to be loaded as builtin */
1786 len = strlenW(libname) * sizeof(WCHAR);
1787 if (len >= *size) goto overflow;
1788 strcpyW( filename, libname );
1789 goto found;
1790 }
1791 }
1792
1793 /* absolute path name, or relative path name but not found above */
1794
1795 if (!RtlDosPathNameToNtPathName_U( libname, &nt_name, &file_part, NULL ))
1796 {
1797 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1798 return STATUS_NO_MEMORY;
1799 }
1800 len = nt_name.Length - 4*sizeof(WCHAR); /* for \??\ prefix */
1801 if (len >= *size) goto overflow;
1802 memcpy( filename, nt_name.Buffer + 4, len + sizeof(WCHAR) );
1803 if (!(*pwm = find_fullname_module( filename )) && handle)
1804 {
1805 attr.Length = sizeof(attr);
1806 attr.RootDirectory = 0;
1807 attr.Attributes = OBJ_CASE_INSENSITIVE;
1808 attr.ObjectName = &nt_name;
1809 attr.SecurityDescriptor = NULL;
1810 attr.SecurityQualityOfService = NULL;
1811 if (NtOpenFile( handle, GENERIC_READ, &attr, &io, FILE_SHARE_READ|FILE_SHARE_DELETE, 0 )) *handle = 0;
1812 }
1813 found:
1814 RtlFreeUnicodeString( &nt_name );
1815 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1816 return STATUS_SUCCESS;
1817
1818 overflow:
1819 RtlFreeUnicodeString( &nt_name );
1820 RtlFreeHeap( GetProcessHeap(), 0, dllname );
1821 *size = len + sizeof(WCHAR);
1822 return STATUS_BUFFER_TOO_SMALL;
1823 }
1824
1825
1826 /***********************************************************************
1827 * load_dll (internal)
1828 *
1829 * Load a PE style module according to the load order.
1830 * The loader_section must be locked while calling this function.
1831 */
1832 static NTSTATUS load_dll( LPCWSTR load_path, LPCWSTR libname, DWORD flags, WINE_MODREF** pwm )
1833 {
1834 enum loadorder loadorder;
1835 WCHAR buffer[32];
1836 WCHAR *filename;
1837 ULONG size;
1838 WINE_MODREF *main_exe;
1839 HANDLE handle = 0;
1840 NTSTATUS nts;
1841
1842 TRACE( "looking for %s in %s\n", debugstr_w(libname), debugstr_w(load_path) );
1843
1844 *pwm = NULL;
1845 filename = buffer;
1846 size = sizeof(buffer);
1847 for (;;)
1848 {
1849 nts = find_dll_file( load_path, libname, filename, &size, pwm, &handle );
1850 if (nts == STATUS_SUCCESS) break;
1851 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
1852 if (nts != STATUS_BUFFER_TOO_SMALL) return nts;
1853 /* grow the buffer and retry */
1854 if (!(filename = RtlAllocateHeap( GetProcessHeap(), 0, size ))) return STATUS_NO_MEMORY;
1855 }
1856
1857 if (*pwm) /* found already loaded module */
1858 {
1859 if ((*pwm)->ldr.LoadCount != -1) (*pwm)->ldr.LoadCount++;
1860
1861 if (!(flags & DONT_RESOLVE_DLL_REFERENCES)) fixup_imports( *pwm, load_path );
1862
1863 TRACE("Found %s for %s at %p, count=%d\n",
1864 debugstr_w((*pwm)->ldr.FullDllName.Buffer), debugstr_w(libname),
1865 (*pwm)->ldr.BaseAddress, (*pwm)->ldr.LoadCount);
1866 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
1867 return STATUS_SUCCESS;
1868 }
1869
1870 main_exe = get_modref( NtCurrentTeb()->Peb->ImageBaseAddress );
1871 loadorder = get_load_order( main_exe ? main_exe->ldr.BaseDllName.Buffer : NULL, filename );
1872
1873 switch(loadorder)
1874 {
1875 case LO_INVALID:
1876 nts = STATUS_NO_MEMORY;
1877 break;
1878 case LO_DISABLED:
1879 nts = STATUS_DLL_NOT_FOUND;
1880 break;
1881 case LO_NATIVE:
1882 case LO_NATIVE_BUILTIN:
1883 if (!handle) nts = STATUS_DLL_NOT_FOUND;
1884 else
1885 {
1886 nts = load_native_dll( load_path, filename, handle, flags, pwm );
1887 if (nts == STATUS_INVALID_FILE_FOR_SECTION)
1888 /* not in PE format, maybe it's a builtin */
1889 nts = load_builtin_dll( load_path, filename, handle, flags, pwm );
1890 }
1891 if (nts == STATUS_DLL_NOT_FOUND && loadorder == LO_NATIVE_BUILTIN)
1892 nts = load_builtin_dll( load_path, filename, 0, flags, pwm );
1893 break;
1894 case LO_BUILTIN:
1895 case LO_BUILTIN_NATIVE:
1896 case LO_DEFAULT: /* default is builtin,native */
1897 nts = load_builtin_dll( load_path, filename, handle, flags, pwm );
1898 if (!handle) break; /* nothing else we can try */
1899 /* file is not a builtin library, try without using the specified file */
1900 if (nts != STATUS_SUCCESS)
1901 nts = load_builtin_dll( load_path, filename, 0, flags, pwm );
1902 if (nts == STATUS_SUCCESS && loadorder == LO_DEFAULT &&
1903 (MODULE_InitDLL( *pwm, DLL_WINE_PREATTACH, NULL ) != STATUS_SUCCESS))
1904 {
1905 /* stub-only dll, try native */
1906 TRACE( "%s pre-attach returned FALSE, preferring native\n", debugstr_w(filename) );
1907 LdrUnloadDll( (*pwm)->ldr.BaseAddress );
1908 nts = STATUS_DLL_NOT_FOUND;
1909 }
1910 if (nts == STATUS_DLL_NOT_FOUND && loadorder != LO_BUILTIN)
1911 nts = load_native_dll( load_path, filename, handle, flags, pwm );
1912 break;
1913 }
1914
1915 if (nts == STATUS_SUCCESS)
1916 {
1917 /* Initialize DLL just loaded */
1918 TRACE("Loaded module %s (%s) at %p\n", debugstr_w(filename),
1919 ((*pwm)->ldr.Flags & LDR_WINE_INTERNAL) ? "builtin" : "native",
1920 (*pwm)->ldr.BaseAddress);
1921 if (handle) NtClose( handle );
1922 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
1923 return nts;
1924 }
1925
1926 WARN("Failed to load module %s; status=%x\n", debugstr_w(libname), nts);
1927 if (handle) NtClose( handle );
1928 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
1929 return nts;
1930 }
1931
1932 /******************************************************************
1933 * LdrLoadDll (NTDLL.@)
1934 */
1935 NTSTATUS WINAPI LdrLoadDll(LPCWSTR path_name, DWORD flags,
1936 const UNICODE_STRING *libname, HMODULE* hModule)
1937 {
1938 WINE_MODREF *wm;
1939 NTSTATUS nts;
1940
1941 RtlEnterCriticalSection( &loader_section );
1942
1943 if (!path_name) path_name = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
1944 nts = load_dll( path_name, libname->Buffer, flags, &wm );
1945
1946 if (nts == STATUS_SUCCESS && !(wm->ldr.Flags & LDR_DONT_RESOLVE_REFS))
1947 {
1948 nts = process_attach( wm, NULL );
1949 if (nts != STATUS_SUCCESS)
1950 {
1951 LdrUnloadDll(wm->ldr.BaseAddress);
1952 wm = NULL;
1953 }
1954 }
1955 *hModule = (wm) ? wm->ldr.BaseAddress : NULL;
1956
1957 RtlLeaveCriticalSection( &loader_section );
1958 return nts;
1959 }
1960
1961
1962 /******************************************************************
1963 * LdrGetDllHandle (NTDLL.@)
1964 */
1965 NTSTATUS WINAPI LdrGetDllHandle( LPCWSTR load_path, ULONG flags, const UNICODE_STRING *name, HMODULE *base )
1966 {
1967 NTSTATUS status;
1968 WCHAR buffer[128];
1969 WCHAR *filename;
1970 ULONG size;
1971 WINE_MODREF *wm;
1972
1973 RtlEnterCriticalSection( &loader_section );
1974
1975 if (!load_path) load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
1976
1977 filename = buffer;
1978 size = sizeof(buffer);
1979 for (;;)
1980 {
1981 status = find_dll_file( load_path, name->Buffer, filename, &size, &wm, NULL );
1982 if (filename != buffer) RtlFreeHeap( GetProcessHeap(), 0, filename );
1983 if (status != STATUS_BUFFER_TOO_SMALL) break;
1984 /* grow the buffer and retry */
1985 if (!(filename = RtlAllocateHeap( GetProcessHeap(), 0, size )))
1986 {
1987 status = STATUS_NO_MEMORY;
1988 break;
1989 }
1990 }
1991
1992 if (status == STATUS_SUCCESS)
1993 {
1994 if (wm) *base = wm->ldr.BaseAddress;
1995 else status = STATUS_DLL_NOT_FOUND;
1996 }
1997
1998 RtlLeaveCriticalSection( &loader_section );
1999 TRACE( "%s -> %p (load path %s)\n", debugstr_us(name), status ? NULL : *base, debugstr_w(load_path) );
2000 return status;
2001 }
2002
2003
2004 /******************************************************************
2005 * LdrAddRefDll (NTDLL.@)
2006 */
2007 NTSTATUS WINAPI LdrAddRefDll( ULONG flags, HMODULE module )
2008 {
2009 NTSTATUS ret = STATUS_SUCCESS;
2010 WINE_MODREF *wm;
2011
2012 if (flags) FIXME( "%p flags %x not implemented\n", module, flags );
2013
2014 RtlEnterCriticalSection( &loader_section );
2015
2016 if ((wm = get_modref( module )))
2017 {
2018 if (wm->ldr.LoadCount != -1) wm->ldr.LoadCount++;
2019 TRACE( "(%s) ldr.LoadCount: %d\n", debugstr_w(wm->ldr.BaseDllName.Buffer), wm->ldr.LoadCount );
2020 }
2021 else ret = STATUS_INVALID_PARAMETER;
2022
2023 RtlLeaveCriticalSection( &loader_section );
2024 return ret;
2025 }
2026
2027
2028 /******************************************************************
2029 * LdrQueryProcessModuleInformation
2030 *
2031 */
2032 NTSTATUS WINAPI LdrQueryProcessModuleInformation(PSYSTEM_MODULE_INFORMATION smi,
2033 ULONG buf_size, ULONG* req_size)
2034 {
2035 SYSTEM_MODULE* sm = &smi->Modules[0];
2036 ULONG size = sizeof(ULONG);
2037 NTSTATUS nts = STATUS_SUCCESS;
2038 ANSI_STRING str;
2039 char* ptr;
2040 PLIST_ENTRY mark, entry;
2041 PLDR_MODULE mod;
2042 WORD id = 0;
2043
2044 smi->ModulesCount = 0;
2045
2046 RtlEnterCriticalSection( &loader_section );
2047 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
2048 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
2049 {
2050 mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
2051 size += sizeof(*sm);
2052 if (size <= buf_size)
2053 {
2054 sm->Reserved1 = 0; /* FIXME */
2055 sm->Reserved2 = 0; /* FIXME */
2056 sm->ImageBaseAddress = mod->BaseAddress;
2057 sm->ImageSize = mod->SizeOfImage;
2058 sm->Flags = mod->Flags;
2059 sm->Id = id++;
2060 sm->Rank = 0; /* FIXME */
2061 sm->Unknown = 0; /* FIXME */
2062 str.Length = 0;
2063 str.MaximumLength = MAXIMUM_FILENAME_LENGTH;
2064 str.Buffer = (char*)sm->Name;
2065 RtlUnicodeStringToAnsiString(&str, &mod->FullDllName, FALSE);
2066 ptr = strrchr(str.Buffer, '\\');
2067 sm->NameOffset = (ptr != NULL) ? (ptr - str.Buffer + 1) : 0;
2068
2069 smi->ModulesCount++;
2070 sm++;
2071 }
2072 else nts = STATUS_INFO_LENGTH_MISMATCH;
2073 }
2074 RtlLeaveCriticalSection( &loader_section );
2075
2076 if (req_size) *req_size = size;
2077
2078 return nts;
2079 }
2080
2081
2082 /******************************************************************
2083 * RtlDllShutdownInProgress (NTDLL.@)
2084 */
2085 BOOLEAN WINAPI RtlDllShutdownInProgress(void)
2086 {
2087 return process_detaching;
2088 }
2089
2090
2091 /******************************************************************
2092 * LdrShutdownProcess (NTDLL.@)
2093 *
2094 */
2095 void WINAPI LdrShutdownProcess(void)
2096 {
2097 TRACE("()\n");
2098 process_detach( TRUE, (LPVOID)1 );
2099 }
2100
2101 /******************************************************************
2102 * LdrShutdownThread (NTDLL.@)
2103 *
2104 */
2105 void WINAPI LdrShutdownThread(void)
2106 {
2107 PLIST_ENTRY mark, entry;
2108 PLDR_MODULE mod;
2109
2110 TRACE("()\n");
2111
2112 /* don't do any detach calls if process is exiting */
2113 if (process_detaching) return;
2114 /* FIXME: there is still a race here */
2115
2116 RtlEnterCriticalSection( &loader_section );
2117
2118 mark = &NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList;
2119 for (entry = mark->Blink; entry != mark; entry = entry->Blink)
2120 {
2121 mod = CONTAINING_RECORD(entry, LDR_MODULE,
2122 InInitializationOrderModuleList);
2123 if ( !(mod->Flags & LDR_PROCESS_ATTACHED) )
2124 continue;
2125 if ( mod->Flags & LDR_NO_DLL_CALLS )
2126 continue;
2127
2128 MODULE_InitDLL( CONTAINING_RECORD(mod, WINE_MODREF, ldr),
2129 DLL_THREAD_DETACH, NULL );
2130 }
2131
2132 RtlLeaveCriticalSection( &loader_section );
2133 RtlFreeHeap( GetProcessHeap(), 0, NtCurrentTeb()->ThreadLocalStoragePointer );
2134 }
2135
2136
2137 /***********************************************************************
2138 * free_modref
2139 *
2140 */
2141 static void free_modref( WINE_MODREF *wm )
2142 {
2143 RemoveEntryList(&wm->ldr.InLoadOrderModuleList);
2144 RemoveEntryList(&wm->ldr.InMemoryOrderModuleList);
2145 if (wm->ldr.InInitializationOrderModuleList.Flink)
2146 RemoveEntryList(&wm->ldr.InInitializationOrderModuleList);
2147
2148 TRACE(" unloading %s\n", debugstr_w(wm->ldr.FullDllName.Buffer));
2149 if (!TRACE_ON(module))
2150 TRACE_(loaddll)("Unloaded module %s : %s\n",
2151 debugstr_w(wm->ldr.FullDllName.Buffer),
2152 (wm->ldr.Flags & LDR_WINE_INTERNAL) ? "builtin" : "native" );
2153
2154 SERVER_START_REQ( unload_dll )
2155 {
2156 req->base = wm->ldr.BaseAddress;
2157 wine_server_call( req );
2158 }
2159 SERVER_END_REQ;
2160
2161 RtlReleaseActivationContext( wm->ldr.ActivationContext );
2162 NtUnmapViewOfSection( NtCurrentProcess(), wm->ldr.BaseAddress );
2163 if (wm->ldr.Flags & LDR_WINE_INTERNAL) wine_dll_unload( wm->ldr.SectionHandle );
2164 if (cached_modref == wm) cached_modref = NULL;
2165 RtlFreeUnicodeString( &wm->ldr.FullDllName );
2166 RtlFreeHeap( GetProcessHeap(), 0, wm->deps );
2167 RtlFreeHeap( GetProcessHeap(), 0, wm );
2168 }
2169
2170 /***********************************************************************
2171 * MODULE_FlushModrefs
2172 *
2173 * Remove all unused modrefs and call the internal unloading routines
2174 * for the library type.
2175 *
2176 * The loader_section must be locked while calling this function.
2177 */
2178 static void MODULE_FlushModrefs(void)
2179 {
2180 PLIST_ENTRY mark, entry, prev;
2181 PLDR_MODULE mod;
2182 WINE_MODREF*wm;
2183
2184 mark = &NtCurrentTeb()->Peb->LdrData->InInitializationOrderModuleList;
2185 for (entry = mark->Blink; entry != mark; entry = prev)
2186 {
2187 mod = CONTAINING_RECORD(entry, LDR_MODULE, InInitializationOrderModuleList);
2188 wm = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
2189 prev = entry->Blink;
2190 if (!mod->LoadCount) free_modref( wm );
2191 }
2192
2193 /* check load order list too for modules that haven't been initialized yet */
2194 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
2195 for (entry = mark->Blink; entry != mark; entry = prev)
2196 {
2197 mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
2198 wm = CONTAINING_RECORD(mod, WINE_MODREF, ldr);
2199 prev = entry->Blink;
2200 if (!mod->LoadCount) free_modref( wm );
2201 }
2202 }
2203
2204 /***********************************************************************
2205 * MODULE_DecRefCount
2206 *
2207 * The loader_section must be locked while calling this function.
2208 */
2209 static void MODULE_DecRefCount( WINE_MODREF *wm )
2210 {
2211 int i;
2212
2213 if ( wm->ldr.Flags & LDR_UNLOAD_IN_PROGRESS )
2214 return;
2215
2216 if ( wm->ldr.LoadCount <= 0 )
2217 return;
2218
2219 --wm->ldr.LoadCount;
2220 TRACE("(%s) ldr.LoadCount: %d\n", debugstr_w(wm->ldr.BaseDllName.Buffer), wm->ldr.LoadCount );
2221
2222 if ( wm->ldr.LoadCount == 0 )
2223 {
2224 wm->ldr.Flags |= LDR_UNLOAD_IN_PROGRESS;
2225
2226 for ( i = 0; i < wm->nDeps; i++ )
2227 if ( wm->deps[i] )
2228 MODULE_DecRefCount( wm->deps[i] );
2229
2230 wm->ldr.Flags &= ~LDR_UNLOAD_IN_PROGRESS;
2231 }
2232 }
2233
2234 /******************************************************************
2235 * LdrUnloadDll (NTDLL.@)
2236 *
2237 *
2238 */
2239 NTSTATUS WINAPI LdrUnloadDll( HMODULE hModule )
2240 {
2241 NTSTATUS retv = STATUS_SUCCESS;
2242
2243 TRACE("(%p)\n", hModule);
2244
2245 RtlEnterCriticalSection( &loader_section );
2246
2247 /* if we're stopping the whole process (and forcing the removal of all
2248 * DLLs) the library will be freed anyway
2249 */
2250 if (!process_detaching)
2251 {
2252 WINE_MODREF *wm;
2253
2254 free_lib_count++;
2255 if ((wm = get_modref( hModule )) != NULL)
2256 {
2257 TRACE("(%s) - START\n", debugstr_w(wm->ldr.BaseDllName.Buffer));
2258
2259 /* Recursively decrement reference counts */
2260 MODULE_DecRefCount( wm );
2261
2262 /* Call process detach notifications */
2263 if ( free_lib_count <= 1 )
2264 {
2265 process_detach( FALSE, NULL );
2266 MODULE_FlushModrefs();
2267 }
2268
2269 TRACE("END\n");
2270 }
2271 else
2272 retv = STATUS_DLL_NOT_FOUND;
2273
2274 free_lib_count--;
2275 }
2276
2277 RtlLeaveCriticalSection( &loader_section );
2278
2279 return retv;
2280 }
2281
2282 /***********************************************************************
2283 * RtlImageNtHeader (NTDLL.@)
2284 */
2285 PIMAGE_NT_HEADERS WINAPI RtlImageNtHeader(HMODULE hModule)
2286 {
2287 IMAGE_NT_HEADERS *ret;
2288
2289 __TRY
2290 {
2291 IMAGE_DOS_HEADER *dos = (IMAGE_DOS_HEADER *)hModule;
2292
2293 ret = NULL;
2294 if (dos->e_magic == IMAGE_DOS_SIGNATURE)
2295 {
2296 ret = (IMAGE_NT_HEADERS *)((char *)dos + dos->e_lfanew);
2297 if (ret->Signature != IMAGE_NT_SIGNATURE) ret = NULL;
2298 }
2299 }
2300 __EXCEPT_PAGE_FAULT
2301 {
2302 return NULL;
2303 }
2304 __ENDTRY
2305 return ret;
2306 }
2307
2308
2309 /******************************************************************
2310 * LdrInitializeThunk (NTDLL.@)
2311 *
2312 */
2313 void WINAPI LdrInitializeThunk( ULONG unknown1, ULONG unknown2, ULONG unknown3, ULONG unknown4 )
2314 {
2315 NTSTATUS status;
2316 WINE_MODREF *wm;
2317 LPCWSTR load_path;
2318 PEB *peb = NtCurrentTeb()->Peb;
2319 IMAGE_NT_HEADERS *nt = RtlImageNtHeader( peb->ImageBaseAddress );
2320
2321 if (main_exe_file) NtClose( main_exe_file ); /* at this point the main module is created */
2322
2323 /* allocate the modref for the main exe (if not already done) */
2324 wm = get_modref( peb->ImageBaseAddress );
2325 assert( wm );
2326 if (wm->ldr.Flags & LDR_IMAGE_IS_DLL)
2327 {
2328 ERR("%s is a dll, not an executable\n", debugstr_w(wm->ldr.FullDllName.Buffer) );
2329 exit(1);
2330 }
2331
2332 peb->LoaderLock = &loader_section;
2333 peb->ProcessParameters->ImagePathName = wm->ldr.FullDllName;
2334 version_init( wm->ldr.FullDllName.Buffer );
2335
2336 /* the main exe needs to be the first in the load order list */
2337 RemoveEntryList( &wm->ldr.InLoadOrderModuleList );
2338 InsertHeadList( &peb->LdrData->InLoadOrderModuleList, &wm->ldr.InLoadOrderModuleList );
2339
2340 status = server_init_process_done();
2341 if (status != STATUS_SUCCESS) goto error;
2342
2343 RtlEnterCriticalSection( &loader_section );
2344
2345 actctx_init();
2346 load_path = NtCurrentTeb()->Peb->ProcessParameters->DllPath.Buffer;
2347 if ((status = fixup_imports( wm, load_path )) != STATUS_SUCCESS) goto error;
2348 if ((status = alloc_process_tls()) != STATUS_SUCCESS) goto error;
2349 if ((status = alloc_thread_tls()) != STATUS_SUCCESS) goto error;
2350
2351 pthread_functions.sigprocmask( SIG_UNBLOCK, &server_block_set, NULL );
2352
2353 if ((status = process_attach( wm, (LPVOID)1 )) != STATUS_SUCCESS)
2354 {
2355 if (last_failed_modref)
2356 ERR( "%s failed to initialize, aborting\n", debugstr_w(last_failed_modref->ldr.BaseDllName.Buffer) + 1 );
2357 goto error;
2358 }
2359 attach_implicitly_loaded_dlls( (LPVOID)1 );
2360
2361 RtlLeaveCriticalSection( &loader_section );
2362
2363 if (nt->FileHeader.Characteristics & IMAGE_FILE_LARGE_ADDRESS_AWARE) VIRTUAL_UseLargeAddressSpace();
2364 return;
2365
2366 error:
2367 ERR( "Main exe initialization for %s failed, status %x\n",
2368 debugstr_w(peb->ProcessParameters->ImagePathName.Buffer), status );
2369 NtTerminateProcess( GetCurrentProcess(), status );
2370 }
2371
2372
2373 /***********************************************************************
2374 * RtlImageDirectoryEntryToData (NTDLL.@)
2375 */
2376 PVOID WINAPI RtlImageDirectoryEntryToData( HMODULE module, BOOL image, WORD dir, ULONG *size )
2377 {
2378 const IMAGE_NT_HEADERS *nt;
2379 DWORD addr;
2380
2381 if ((ULONG_PTR)module & 1) /* mapped as data file */
2382 {
2383 module = (HMODULE)((ULONG_PTR)module & ~1);
2384 image = FALSE;
2385 }
2386 if (!(nt = RtlImageNtHeader( module ))) return NULL;
2387 if (dir >= nt->OptionalHeader.NumberOfRvaAndSizes) return NULL;
2388 if (!(addr = nt->OptionalHeader.DataDirectory[dir].VirtualAddress)) return NULL;
2389 *size = nt->OptionalHeader.DataDirectory[dir].Size;
2390 if (image || addr < nt->OptionalHeader.SizeOfHeaders) return (char *)module + addr;
2391
2392 /* not mapped as image, need to find the section containing the virtual address */
2393 return RtlImageRvaToVa( nt, module, addr, NULL );
2394 }
2395
2396
2397 /***********************************************************************
2398 * RtlImageRvaToSection (NTDLL.@)
2399 */
2400 PIMAGE_SECTION_HEADER WINAPI RtlImageRvaToSection( const IMAGE_NT_HEADERS *nt,
2401 HMODULE module, DWORD rva )
2402 {
2403 int i;
2404 const IMAGE_SECTION_HEADER *sec;
2405
2406 sec = (const IMAGE_SECTION_HEADER*)((const char*)&nt->OptionalHeader +
2407 nt->FileHeader.SizeOfOptionalHeader);
2408 for (i = 0; i < nt->FileHeader.NumberOfSections; i++, sec++)
2409 {
2410 if ((sec->VirtualAddress <= rva) && (sec->VirtualAddress + sec->SizeOfRawData > rva))
2411 return (PIMAGE_SECTION_HEADER)sec;
2412 }
2413 return NULL;
2414 }
2415
2416
2417 /***********************************************************************
2418 * RtlImageRvaToVa (NTDLL.@)
2419 */
2420 PVOID WINAPI RtlImageRvaToVa( const IMAGE_NT_HEADERS *nt, HMODULE module,
2421 DWORD rva, IMAGE_SECTION_HEADER **section )
2422 {
2423 IMAGE_SECTION_HEADER *sec;
2424
2425 if (section && *section) /* try this section first */
2426 {
2427 sec = *section;
2428 if ((sec->VirtualAddress <= rva) && (sec->VirtualAddress + sec->SizeOfRawData > rva))
2429 goto found;
2430 }
2431 if (!(sec = RtlImageRvaToSection( nt, module, rva ))) return NULL;
2432 found:
2433 if (section) *section = sec;
2434 return (char *)module + sec->PointerToRawData + (rva - sec->VirtualAddress);
2435 }
2436
2437
2438 /***********************************************************************
2439 * RtlPcToFileHeader (NTDLL.@)
2440 */
2441 PVOID WINAPI RtlPcToFileHeader( PVOID pc, PVOID *address )
2442 {
2443 LDR_MODULE *module;
2444 PVOID ret = NULL;
2445
2446 RtlEnterCriticalSection( &loader_section );
2447 if (!LdrFindEntryForAddress( pc, &module )) ret = module->BaseAddress;
2448 RtlLeaveCriticalSection( &loader_section );
2449 *address = ret;
2450 return ret;
2451 }
2452
2453
2454 /***********************************************************************
2455 * NtLoadDriver (NTDLL.@)
2456 * ZwLoadDriver (NTDLL.@)
2457 */
2458 NTSTATUS WINAPI NtLoadDriver( const UNICODE_STRING *DriverServiceName )
2459 {
2460 FIXME("(%p), stub!\n",DriverServiceName);
2461 return STATUS_NOT_IMPLEMENTED;
2462 }
2463
2464
2465 /***********************************************************************
2466 * NtUnloadDriver (NTDLL.@)
2467 * ZwUnloadDriver (NTDLL.@)
2468 */
2469 NTSTATUS WINAPI NtUnloadDriver( const UNICODE_STRING *DriverServiceName )
2470 {
2471 FIXME("(%p), stub!\n",DriverServiceName);
2472 return STATUS_NOT_IMPLEMENTED;
2473 }
2474
2475
2476 /******************************************************************
2477 * DllMain (NTDLL.@)
2478 */
2479 BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
2480 {
2481 if (reason == DLL_PROCESS_ATTACH) LdrDisableThreadCalloutsForDll( inst );
2482 return TRUE;
2483 }
2484
2485
2486 /******************************************************************
2487 * __wine_init_windows_dir (NTDLL.@)
2488 *
2489 * Windows and system dir initialization once kernel32 has been loaded.
2490 */
2491 void __wine_init_windows_dir( const WCHAR *windir, const WCHAR *sysdir )
2492 {
2493 PLIST_ENTRY mark, entry;
2494 LPWSTR buffer, p;
2495
2496 RtlCreateUnicodeString( &windows_dir, windir );
2497 RtlCreateUnicodeString( &system_dir, sysdir );
2498 strcpyW( user_shared_data->NtSystemRoot, windir );
2499
2500 /* prepend the system dir to the name of the already created modules */
2501 mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
2502 for (entry = mark->Flink; entry != mark; entry = entry->Flink)
2503 {
2504 LDR_MODULE *mod = CONTAINING_RECORD( entry, LDR_MODULE, InLoadOrderModuleList );
2505
2506 assert( mod->Flags & LDR_WINE_INTERNAL );
2507
2508 buffer = RtlAllocateHeap( GetProcessHeap(), 0,
2509 system_dir.Length + mod->FullDllName.Length + 2*sizeof(WCHAR) );
2510 if (!buffer) continue;
2511 strcpyW( buffer, system_dir.Buffer );
2512 p = buffer + strlenW( buffer );
2513 if (p > buffer && p[-1] != '\\') *p++ = '\\';
2514 strcpyW( p, mod->FullDllName.Buffer );
2515 RtlInitUnicodeString( &mod->FullDllName, buffer );
2516 RtlInitUnicodeString( &mod->BaseDllName, p );
2517 }
2518 }
2519
2520
2521 /***********************************************************************
2522 * __wine_process_init
2523 */
2524 void __wine_process_init(void)
2525 {
2526 static const WCHAR kernel32W[] = {'k','e','r','n','e','l','3','2','.','d','l','l',0};
2527
2528 WINE_MODREF *wm;
2529 NTSTATUS status;
2530 ANSI_STRING func_name;
2531 void (* DECLSPEC_NORETURN init_func)(void);
2532 extern mode_t FILE_umask;
2533
2534 main_exe_file = thread_init();
2535
2536 /* retrieve current umask */
2537 FILE_umask = umask(0777);
2538 umask( FILE_umask );
2539
2540 /* setup the load callback and create ntdll modref */
2541 wine_dll_set_callback( load_builtin_callback );
2542
2543 if ((status = load_builtin_dll( NULL, kernel32W, 0, 0, &wm )) != STATUS_SUCCESS)
2544 {
2545 MESSAGE( "wine: could not load kernel32.dll, status %x\n", status );
2546 exit(1);
2547 }
2548 RtlInitAnsiString( &func_name, "UnhandledExceptionFilter" );
2549 LdrGetProcedureAddress( wm->ldr.BaseAddress, &func_name, 0, (void **)&unhandled_exception_filter );
2550
2551 RtlInitAnsiString( &func_name, "__wine_kernel_init" );
2552 if ((status = LdrGetProcedureAddress( wm->ldr.BaseAddress, &func_name,
2553 0, (void **)&init_func )) != STATUS_SUCCESS)
2554 {
2555 MESSAGE( "wine: could not find __wine_kernel_init in kernel32.dll, status %x\n", status );
2556 exit(1);
2557 }
2558 init_func();
2559 }
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