1 /*
2 * PE file resources
3 *
4 * Copyright 1995 Thomas Sandford
5 * Copyright 1996 Martin von Loewis
6 * Copyright 2003 Alexandre Julliard
7 *
8 * Based on the Win16 resource handling code in loader/resource.c
9 * Copyright 1993 Robert J. Amstadt
10 * Copyright 1995 Alexandre Julliard
11 * Copyright 1997 Marcus Meissner
12 *
13 * This library is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU Lesser General Public
15 * License as published by the Free Software Foundation; either
16 * version 2.1 of the License, or (at your option) any later version.
17 *
18 * This library is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
21 * Lesser General Public License for more details.
22 *
23 * You should have received a copy of the GNU Lesser General Public
24 * License along with this library; if not, write to the Free Software
25 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
26 */
27
28 #include "config.h"
29 #include "wine/port.h"
30
31 #include <stdarg.h>
32 #include <stdlib.h>
33 #include <sys/types.h>
34
35 #define NONAMELESSUNION
36 #define NONAMELESSSTRUCT
37 #include "ntstatus.h"
38 #define WIN32_NO_STATUS
39 #include "windef.h"
40 #include "winbase.h"
41 #include "winnt.h"
42 #include "winternl.h"
43 #include "wine/exception.h"
44 #include "wine/unicode.h"
45 #include "wine/debug.h"
46
47 WINE_DEFAULT_DEBUG_CHANNEL(resource);
48
49 static LCID user_lcid, system_lcid;
50 static LANGID user_ui_language, system_ui_language;
51
52 /**********************************************************************
53 * is_data_file_module
54 *
55 * Check if a module handle is for a LOAD_LIBRARY_AS_DATAFILE module.
56 */
57 static inline int is_data_file_module( HMODULE hmod )
58 {
59 return (ULONG_PTR)hmod & 1;
60 }
61
62
63 /**********************************************************************
64 * push_language
65 *
66 * push a language in the list of languages to try
67 */
68 static inline int push_language( WORD *list, int pos, WORD lang )
69 {
70 int i;
71 for (i = 0; i < pos; i++) if (list[i] == lang) return pos;
72 list[pos++] = lang;
73 return pos;
74 }
75
76
77 /**********************************************************************
78 * find_first_entry
79 *
80 * Find the first suitable entry in a resource directory
81 */
82 static const IMAGE_RESOURCE_DIRECTORY *find_first_entry( const IMAGE_RESOURCE_DIRECTORY *dir,
83 const void *root, int want_dir )
84 {
85 const IMAGE_RESOURCE_DIRECTORY_ENTRY *entry = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(dir + 1);
86 int pos;
87
88 for (pos = 0; pos < dir->NumberOfNamedEntries + dir->NumberOfIdEntries; pos++)
89 {
90 if (!entry[pos].u2.s3.DataIsDirectory == !want_dir)
91 return (const IMAGE_RESOURCE_DIRECTORY *)((const char *)root + entry[pos].u2.s3.OffsetToDirectory);
92 }
93 return NULL;
94 }
95
96
97 /**********************************************************************
98 * find_entry_by_id
99 *
100 * Find an entry by id in a resource directory
101 */
102 static const IMAGE_RESOURCE_DIRECTORY *find_entry_by_id( const IMAGE_RESOURCE_DIRECTORY *dir,
103 WORD id, const void *root, int want_dir )
104 {
105 const IMAGE_RESOURCE_DIRECTORY_ENTRY *entry;
106 int min, max, pos;
107
108 entry = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(dir + 1);
109 min = dir->NumberOfNamedEntries;
110 max = min + dir->NumberOfIdEntries - 1;
111 while (min <= max)
112 {
113 pos = (min + max) / 2;
114 if (entry[pos].u1.s2.Id == id)
115 {
116 if (!entry[pos].u2.s3.DataIsDirectory == !want_dir)
117 {
118 TRACE("root %p dir %p id %04x ret %p\n",
119 root, dir, id, (const char*)root + entry[pos].u2.s3.OffsetToDirectory);
120 return (const IMAGE_RESOURCE_DIRECTORY *)((const char *)root + entry[pos].u2.s3.OffsetToDirectory);
121 }
122 break;
123 }
124 if (entry[pos].u1.s2.Id > id) max = pos - 1;
125 else min = pos + 1;
126 }
127 TRACE("root %p dir %p id %04x not found\n", root, dir, id );
128 return NULL;
129 }
130
131
132 /**********************************************************************
133 * find_entry_by_name
134 *
135 * Find an entry by name in a resource directory
136 */
137 static const IMAGE_RESOURCE_DIRECTORY *find_entry_by_name( const IMAGE_RESOURCE_DIRECTORY *dir,
138 LPCWSTR name, const void *root,
139 int want_dir )
140 {
141 const IMAGE_RESOURCE_DIRECTORY_ENTRY *entry;
142 const IMAGE_RESOURCE_DIR_STRING_U *str;
143 int min, max, res, pos, namelen;
144
145 if (!HIWORD(name)) return find_entry_by_id( dir, LOWORD(name), root, want_dir );
146 entry = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(dir + 1);
147 namelen = strlenW(name);
148 min = 0;
149 max = dir->NumberOfNamedEntries - 1;
150 while (min <= max)
151 {
152 pos = (min + max) / 2;
153 str = (const IMAGE_RESOURCE_DIR_STRING_U *)((const char *)root + entry[pos].u1.s1.NameOffset);
154 res = strncmpW( name, str->NameString, str->Length );
155 if (!res && namelen == str->Length)
156 {
157 if (!entry[pos].u2.s3.DataIsDirectory == !want_dir)
158 {
159 TRACE("root %p dir %p name %s ret %p\n",
160 root, dir, debugstr_w(name), (const char*)root + entry[pos].u2.s3.OffsetToDirectory);
161 return (const IMAGE_RESOURCE_DIRECTORY *)((const char *)root + entry[pos].u2.s3.OffsetToDirectory);
162 }
163 break;
164 }
165 if (res < 0) max = pos - 1;
166 else min = pos + 1;
167 }
168 TRACE("root %p dir %p name %s not found\n", root, dir, debugstr_w(name) );
169 return NULL;
170 }
171
172
173 /**********************************************************************
174 * find_entry
175 *
176 * Find a resource entry
177 */
178 static NTSTATUS find_entry( HMODULE hmod, const LDR_RESOURCE_INFO *info,
179 ULONG level, const void **ret, int want_dir )
180 {
181 ULONG size;
182 const void *root;
183 const IMAGE_RESOURCE_DIRECTORY *resdirptr;
184 WORD list[9]; /* list of languages to try */
185 int i, pos = 0;
186
187 root = RtlImageDirectoryEntryToData( hmod, TRUE, IMAGE_DIRECTORY_ENTRY_RESOURCE, &size );
188 if (!root) return STATUS_RESOURCE_DATA_NOT_FOUND;
189 if (size < sizeof(*resdirptr)) return STATUS_RESOURCE_DATA_NOT_FOUND;
190 resdirptr = root;
191
192 if (!level--) goto done;
193 if (!(*ret = find_entry_by_name( resdirptr, (LPCWSTR)info->Type, root, want_dir || level )))
194 return STATUS_RESOURCE_TYPE_NOT_FOUND;
195 if (!level--) return STATUS_SUCCESS;
196
197 resdirptr = *ret;
198 if (!(*ret = find_entry_by_name( resdirptr, (LPCWSTR)info->Name, root, want_dir || level )))
199 return STATUS_RESOURCE_NAME_NOT_FOUND;
200 if (!level--) return STATUS_SUCCESS;
201 if (level) return STATUS_INVALID_PARAMETER; /* level > 3 */
202
203 /* 1. specified language */
204 pos = push_language( list, pos, info->Language );
205
206 /* 2. specified language with neutral sublanguage */
207 pos = push_language( list, pos, MAKELANGID( PRIMARYLANGID(info->Language), SUBLANG_NEUTRAL ) );
208
209 /* 3. neutral language with neutral sublanguage */
210 pos = push_language( list, pos, MAKELANGID( LANG_NEUTRAL, SUBLANG_NEUTRAL ) );
211
212 /* if no explicitly specified language, try some defaults */
213 if (PRIMARYLANGID(info->Language) == LANG_NEUTRAL)
214 {
215 /* user defaults, unless SYS_DEFAULT sublanguage specified */
216 if (SUBLANGID(info->Language) != SUBLANG_SYS_DEFAULT)
217 {
218 /* 4. current thread locale language */
219 pos = push_language( list, pos, LANGIDFROMLCID(NtCurrentTeb()->CurrentLocale) );
220
221 /* 5. user locale language */
222 pos = push_language( list, pos, LANGIDFROMLCID(user_lcid) );
223
224 /* 6. user locale language with neutral sublanguage */
225 pos = push_language( list, pos, MAKELANGID( PRIMARYLANGID(user_lcid), SUBLANG_NEUTRAL ) );
226 }
227
228 /* now system defaults */
229
230 /* 7. system locale language */
231 pos = push_language( list, pos, LANGIDFROMLCID( system_lcid ) );
232
233 /* 8. system locale language with neutral sublanguage */
234 pos = push_language( list, pos, MAKELANGID( PRIMARYLANGID(system_lcid), SUBLANG_NEUTRAL ) );
235
236 /* 9. English */
237 pos = push_language( list, pos, MAKELANGID( LANG_ENGLISH, SUBLANG_DEFAULT ) );
238 }
239
240 resdirptr = *ret;
241 for (i = 0; i < pos; i++)
242 if ((*ret = find_entry_by_id( resdirptr, list[i], root, want_dir ))) return STATUS_SUCCESS;
243
244 /* if no explicitly specified language, return the first entry */
245 if (PRIMARYLANGID(info->Language) == LANG_NEUTRAL)
246 {
247 if ((*ret = find_first_entry( resdirptr, root, want_dir ))) return STATUS_SUCCESS;
248 }
249 return STATUS_RESOURCE_LANG_NOT_FOUND;
250
251 done:
252 *ret = resdirptr;
253 return STATUS_SUCCESS;
254 }
255
256
257 /**********************************************************************
258 * LdrFindResourceDirectory_U (NTDLL.@)
259 */
260 NTSTATUS WINAPI LdrFindResourceDirectory_U( HMODULE hmod, const LDR_RESOURCE_INFO *info,
261 ULONG level, const IMAGE_RESOURCE_DIRECTORY **dir )
262 {
263 const void *res;
264 NTSTATUS status;
265
266 __TRY
267 {
268 if (info) TRACE( "module %p type %s name %s lang %04x level %d\n",
269 hmod, debugstr_w((LPCWSTR)info->Type),
270 level > 1 ? debugstr_w((LPCWSTR)info->Name) : "",
271 level > 2 ? info->Language : 0, level );
272
273 status = find_entry( hmod, info, level, &res, TRUE );
274 if (status == STATUS_SUCCESS) *dir = res;
275 }
276 __EXCEPT_PAGE_FAULT
277 {
278 return GetExceptionCode();
279 }
280 __ENDTRY;
281 return status;
282 }
283
284
285 /**********************************************************************
286 * LdrFindResource_U (NTDLL.@)
287 */
288 NTSTATUS WINAPI LdrFindResource_U( HMODULE hmod, const LDR_RESOURCE_INFO *info,
289 ULONG level, const IMAGE_RESOURCE_DATA_ENTRY **entry )
290 {
291 const void *res;
292 NTSTATUS status;
293
294 __TRY
295 {
296 if (info) TRACE( "module %p type %s name %s lang %04x level %d\n",
297 hmod, debugstr_w((LPCWSTR)info->Type),
298 level > 1 ? debugstr_w((LPCWSTR)info->Name) : "",
299 level > 2 ? info->Language : 0, level );
300
301 status = find_entry( hmod, info, level, &res, FALSE );
302 if (status == STATUS_SUCCESS) *entry = res;
303 }
304 __EXCEPT_PAGE_FAULT
305 {
306 return GetExceptionCode();
307 }
308 __ENDTRY;
309 return status;
310 }
311
312
313 /* don't penalize other platforms stuff needed on i386 for compatibility */
314 #ifdef __i386__
315 NTSTATUS WINAPI access_resource( HMODULE hmod, const IMAGE_RESOURCE_DATA_ENTRY *entry,
316 void **ptr, ULONG *size )
317 #else
318 static inline NTSTATUS access_resource( HMODULE hmod, const IMAGE_RESOURCE_DATA_ENTRY *entry,
319 void **ptr, ULONG *size )
320 #endif
321 {
322 NTSTATUS status;
323
324 __TRY
325 {
326 ULONG dirsize;
327
328 if (!RtlImageDirectoryEntryToData( hmod, TRUE, IMAGE_DIRECTORY_ENTRY_RESOURCE, &dirsize ))
329 status = STATUS_RESOURCE_DATA_NOT_FOUND;
330 else
331 {
332 if (ptr)
333 {
334 if (is_data_file_module(hmod))
335 {
336 HMODULE mod = (HMODULE)((ULONG_PTR)hmod & ~1);
337 *ptr = RtlImageRvaToVa( RtlImageNtHeader(mod), mod, entry->OffsetToData, NULL );
338 }
339 else *ptr = (char *)hmod + entry->OffsetToData;
340 }
341 if (size) *size = entry->Size;
342 status = STATUS_SUCCESS;
343 }
344 }
345 __EXCEPT_PAGE_FAULT
346 {
347 return GetExceptionCode();
348 }
349 __ENDTRY;
350 return status;
351 }
352
353 /**********************************************************************
354 * LdrAccessResource (NTDLL.@)
355 *
356 * NOTE
357 * On x86, Shrinker, an executable compressor, depends on the
358 * "call access_resource" instruction being there.
359 */
360 #ifdef __i386__
361 __ASM_STDCALL_FUNC( LdrAccessResource, 16,
362 "pushl %ebp\n\t"
363 "movl %esp, %ebp\n\t"
364 "subl $4,%esp\n\t"
365 "pushl 24(%ebp)\n\t"
366 "pushl 20(%ebp)\n\t"
367 "pushl 16(%ebp)\n\t"
368 "pushl 12(%ebp)\n\t"
369 "pushl 8(%ebp)\n\t"
370 "call " __ASM_NAME("access_resource") "\n\t"
371 "leave\n\t"
372 "ret $16"
373 )
374 #else
375 NTSTATUS WINAPI LdrAccessResource( HMODULE hmod, const IMAGE_RESOURCE_DATA_ENTRY *entry,
376 void **ptr, ULONG *size )
377 {
378 return access_resource( hmod, entry, ptr, size );
379 }
380 #endif
381
382 /**********************************************************************
383 * RtlFindMessage (NTDLL.@)
384 */
385 NTSTATUS WINAPI RtlFindMessage( HMODULE hmod, ULONG type, ULONG lang,
386 ULONG msg_id, const MESSAGE_RESOURCE_ENTRY **ret )
387 {
388 const MESSAGE_RESOURCE_DATA *data;
389 const MESSAGE_RESOURCE_BLOCK *block;
390 const IMAGE_RESOURCE_DATA_ENTRY *rsrc;
391 LDR_RESOURCE_INFO info;
392 NTSTATUS status;
393 void *ptr;
394 unsigned int i;
395
396 info.Type = type;
397 info.Name = 1;
398 info.Language = lang;
399
400 if ((status = LdrFindResource_U( hmod, &info, 3, &rsrc )) != STATUS_SUCCESS)
401 return status;
402 if ((status = LdrAccessResource( hmod, rsrc, &ptr, NULL )) != STATUS_SUCCESS)
403 return status;
404
405 data = ptr;
406 block = data->Blocks;
407 for (i = 0; i < data->NumberOfBlocks; i++, block++)
408 {
409 if (msg_id >= block->LowId && msg_id <= block->HighId)
410 {
411 const MESSAGE_RESOURCE_ENTRY *entry;
412
413 entry = (const MESSAGE_RESOURCE_ENTRY *)((const char *)data + block->OffsetToEntries);
414 for (i = msg_id - block->LowId; i > 0; i--)
415 entry = (const MESSAGE_RESOURCE_ENTRY *)((const char *)entry + entry->Length);
416 *ret = entry;
417 return STATUS_SUCCESS;
418 }
419 }
420 return STATUS_MESSAGE_NOT_FOUND;
421 }
422
423 /**********************************************************************
424 * RtlFormatMessage (NTDLL.@)
425 *
426 * Formats a message (similar to sprintf).
427 *
428 * PARAMS
429 * Message [I] Message to format.
430 * MaxWidth [I] Maximum width in characters of each output line.
431 * IgnoreInserts [I] Whether to copy the message without processing inserts.
432 * Ansi [I] Whether Arguments may have ANSI strings.
433 * ArgumentsIsArray [I] Whether Arguments is actually an array rather than a va_list *.
434 * Buffer [O] Buffer to store processed message in.
435 * BufferSize [I] Size of Buffer (in bytes?).
436 *
437 * RETURNS
438 * NTSTATUS code.
439 */
440 NTSTATUS WINAPI RtlFormatMessage( LPWSTR Message, UCHAR MaxWidth,
441 BOOLEAN IgnoreInserts, BOOLEAN Ansi,
442 BOOLEAN ArgumentIsArray, __ms_va_list * Arguments,
443 LPWSTR Buffer, ULONG BufferSize )
444 {
445 FIXME("(%s, %u, %s, %s, %s, %p, %p, %d)\n", debugstr_w(Message),
446 MaxWidth, IgnoreInserts ? "TRUE" : "FALSE", Ansi ? "TRUE" : "FALSE",
447 ArgumentIsArray ? "TRUE" : "FALSE", Arguments, Buffer, BufferSize);
448 return STATUS_SUCCESS;
449 }
450
451
452 /**********************************************************************
453 * NtQueryDefaultLocale (NTDLL.@)
454 */
455 NTSTATUS WINAPI NtQueryDefaultLocale( BOOLEAN user, LCID *lcid )
456 {
457 *lcid = user ? user_lcid : system_lcid;
458 return STATUS_SUCCESS;
459 }
460
461
462 /**********************************************************************
463 * NtSetDefaultLocale (NTDLL.@)
464 */
465 NTSTATUS WINAPI NtSetDefaultLocale( BOOLEAN user, LCID lcid )
466 {
467 if (user) user_lcid = lcid;
468 else
469 {
470 system_lcid = lcid;
471 system_ui_language = LANGIDFROMLCID(lcid); /* there is no separate call to set it */
472 }
473 return STATUS_SUCCESS;
474 }
475
476
477 /**********************************************************************
478 * NtQueryDefaultUILanguage (NTDLL.@)
479 */
480 NTSTATUS WINAPI NtQueryDefaultUILanguage( LANGID *lang )
481 {
482 *lang = user_ui_language;
483 return STATUS_SUCCESS;
484 }
485
486
487 /**********************************************************************
488 * NtSetDefaultUILanguage (NTDLL.@)
489 */
490 NTSTATUS WINAPI NtSetDefaultUILanguage( LANGID lang )
491 {
492 user_ui_language = lang;
493 return STATUS_SUCCESS;
494 }
495
496
497 /**********************************************************************
498 * NtQueryInstallUILanguage (NTDLL.@)
499 */
500 NTSTATUS WINAPI NtQueryInstallUILanguage( LANGID *lang )
501 {
502 *lang = system_ui_language;
503 return STATUS_SUCCESS;
504 }
505
This page was automatically generated by the
LXR engine.
Visit the LXR main site for more
information.