mirrored from git://source.winehq.org/git/wine.git
/
resource.c
1364 lines (1104 loc) · 41.6 KB
/
resource.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
* Resources
*
* Copyright 1993 Robert J. Amstadt
* Copyright 1995, 2003 Alexandre Julliard
* Copyright 2006 Mike McCormack
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "winternl.h"
#include "ddk/ntddk.h"
#include "wine/debug.h"
#include "wine/exception.h"
#include "wine/list.h"
#include "kernel_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(resource);
/* we don't want to include winuser.h just for this */
#define IS_INTRESOURCE(x) (((ULONG_PTR)(x) >> 16) == 0)
/* retrieve the resource name to pass to the ntdll functions */
static NTSTATUS get_res_nameA( LPCSTR name, UNICODE_STRING *str )
{
if (IS_INTRESOURCE(name))
{
str->Buffer = ULongToPtr(LOWORD(name));
return STATUS_SUCCESS;
}
if (name[0] == '#')
{
ULONG value;
if (RtlCharToInteger( name + 1, 10, &value ) != STATUS_SUCCESS || HIWORD(value))
return STATUS_INVALID_PARAMETER;
str->Buffer = ULongToPtr(value);
return STATUS_SUCCESS;
}
RtlCreateUnicodeStringFromAsciiz( str, name );
return STATUS_SUCCESS;
}
static NTSTATUS get_res_nameW( LPCWSTR name, UNICODE_STRING *str )
{
if (IS_INTRESOURCE(name))
{
str->Buffer = ULongToPtr( LOWORD(name) );
return STATUS_SUCCESS;
}
if (name[0] == '#')
{
ULONG value;
RtlInitUnicodeString( str, name + 1 );
if (RtlUnicodeStringToInteger( str, 10, &value ) != STATUS_SUCCESS || HIWORD(value))
return STATUS_INVALID_PARAMETER;
str->Buffer = ULongToPtr(value);
return STATUS_SUCCESS;
}
RtlCreateUnicodeString( str, name );
RtlUpcaseUnicodeString( str, str, FALSE );
return STATUS_SUCCESS;
}
/**********************************************************************
* FindResourceExA (KERNEL32.@)
*/
HRSRC WINAPI FindResourceExA( HMODULE module, LPCSTR type, LPCSTR name, WORD lang )
{
NTSTATUS status;
UNICODE_STRING nameW, typeW;
HRSRC ret = NULL;
TRACE( "%p %s %s %04x\n", module, debugstr_a(type), debugstr_a(name), lang );
if (!module) module = GetModuleHandleW(0);
nameW.Buffer = NULL;
typeW.Buffer = NULL;
__TRY
{
if (!(status = get_res_nameA( name, &nameW )) && !(status = get_res_nameA( type, &typeW )))
ret = FindResourceExW( module, typeW.Buffer, nameW.Buffer, lang );
else
SetLastError( RtlNtStatusToDosError(status) );
}
__EXCEPT_PAGE_FAULT
{
SetLastError( ERROR_INVALID_PARAMETER );
}
__ENDTRY
if (!IS_INTRESOURCE(nameW.Buffer)) HeapFree( GetProcessHeap(), 0, nameW.Buffer );
if (!IS_INTRESOURCE(typeW.Buffer)) HeapFree( GetProcessHeap(), 0, typeW.Buffer );
return ret;
}
/**********************************************************************
* FindResourceA (KERNEL32.@)
*/
HRSRC WINAPI FindResourceA( HMODULE hModule, LPCSTR name, LPCSTR type )
{
return FindResourceExA( hModule, type, name, MAKELANGID( LANG_NEUTRAL, SUBLANG_NEUTRAL ) );
}
/**********************************************************************
* EnumResourceTypesA (KERNEL32.@)
*/
BOOL WINAPI EnumResourceTypesA( HMODULE hmod, ENUMRESTYPEPROCA lpfun, LONG_PTR lparam )
{
return EnumResourceTypesExA( hmod, lpfun, lparam, 0, 0 );
}
/**********************************************************************
* EnumResourceTypesW (KERNEL32.@)
*/
BOOL WINAPI EnumResourceTypesW( HMODULE hmod, ENUMRESTYPEPROCW lpfun, LONG_PTR lparam )
{
return EnumResourceTypesExW( hmod, lpfun, lparam, 0, 0 );
}
/**********************************************************************
* EnumResourceNamesA (KERNEL32.@)
*/
BOOL WINAPI EnumResourceNamesA( HMODULE hmod, LPCSTR type, ENUMRESNAMEPROCA lpfun, LONG_PTR lparam )
{
return EnumResourceNamesExA( hmod, type, lpfun, lparam, 0, 0 );
}
/**********************************************************************
* EnumResourceLanguagesA (KERNEL32.@)
*/
BOOL WINAPI EnumResourceLanguagesA( HMODULE hmod, LPCSTR type, LPCSTR name,
ENUMRESLANGPROCA lpfun, LONG_PTR lparam )
{
return EnumResourceLanguagesExA( hmod, type, name, lpfun, lparam, 0, 0 );
}
/**********************************************************************
* EnumResourceLanguagesW (KERNEL32.@)
*/
BOOL WINAPI EnumResourceLanguagesW( HMODULE hmod, LPCWSTR type, LPCWSTR name,
ENUMRESLANGPROCW lpfun, LONG_PTR lparam )
{
return EnumResourceLanguagesExW( hmod, type, name, lpfun, lparam, 0, 0 );
}
/*
* Data structure for updating resources.
* Type/Name/Language is a keyset for accessing resource data.
*
* QUEUEDUPDATES (root) ->
* list of struct resource_dir_entry (Type) ->
* list of struct resource_dir_entry (Name) ->
* list of struct resource_data Language + Data
*/
typedef struct
{
void *unknown[6];
LPWSTR pFileName;
BOOL bDeleteExistingResources;
struct list root;
} QUEUEDUPDATES;
/* this structure is shared for types and names */
struct resource_dir_entry {
struct list entry;
LPWSTR id;
struct list children;
};
/* this structure is the leaf */
struct resource_data {
struct list entry;
LANGID lang;
DWORD codepage;
DWORD cbData;
void *lpData;
};
static int resource_strcmp( LPCWSTR a, LPCWSTR b )
{
if ( a == b )
return 0;
if (!IS_INTRESOURCE( a ) && !IS_INTRESOURCE( b ) )
return wcscmp( a, b );
/* strings come before ids */
if (!IS_INTRESOURCE( a ) && IS_INTRESOURCE( b ))
return -1;
if (!IS_INTRESOURCE( b ) && IS_INTRESOURCE( a ))
return 1;
return ( a < b ) ? -1 : 1;
}
static struct resource_dir_entry *find_resource_dir_entry( struct list *dir, LPCWSTR id )
{
struct resource_dir_entry *ent;
/* match either IDs or strings */
LIST_FOR_EACH_ENTRY( ent, dir, struct resource_dir_entry, entry )
if (!resource_strcmp( id, ent->id ))
return ent;
return NULL;
}
static struct resource_data *find_resource_data( struct list *dir, LANGID lang )
{
struct resource_data *res_data;
/* match only languages here */
LIST_FOR_EACH_ENTRY( res_data, dir, struct resource_data, entry )
if ( lang == res_data->lang )
return res_data;
return NULL;
}
static void add_resource_dir_entry( struct list *dir, struct resource_dir_entry *resdir )
{
struct resource_dir_entry *ent;
LIST_FOR_EACH_ENTRY( ent, dir, struct resource_dir_entry, entry )
{
if (0>resource_strcmp( ent->id, resdir->id ))
continue;
list_add_before( &ent->entry, &resdir->entry );
return;
}
list_add_tail( dir, &resdir->entry );
}
static void add_resource_data_entry( struct list *dir, struct resource_data *resdata )
{
struct resource_data *ent;
LIST_FOR_EACH_ENTRY( ent, dir, struct resource_data, entry )
{
if (ent->lang < resdata->lang)
continue;
list_add_before( &ent->entry, &resdata->entry );
return;
}
list_add_tail( dir, &resdata->entry );
}
static LPWSTR res_strdupW( LPCWSTR str )
{
LPWSTR ret;
UINT len;
if (IS_INTRESOURCE(str))
return (LPWSTR) (UINT_PTR) LOWORD(str);
len = (lstrlenW( str ) + 1) * sizeof (WCHAR);
ret = HeapAlloc( GetProcessHeap(), 0, len );
memcpy( ret, str, len );
return ret;
}
static void res_free_str( LPWSTR str )
{
if (!IS_INTRESOURCE(str))
HeapFree( GetProcessHeap(), 0, str );
}
static BOOL update_add_resource( QUEUEDUPDATES *updates, LPCWSTR Type, LPCWSTR Name,
LANGID Lang, struct resource_data *resdata,
BOOL overwrite_existing )
{
struct resource_dir_entry *restype, *resname;
struct resource_data *existing;
TRACE("%p %s %s %p %d\n", updates,
debugstr_w(Type), debugstr_w(Name), resdata, overwrite_existing );
restype = find_resource_dir_entry( &updates->root, Type );
if (!restype)
{
restype = HeapAlloc( GetProcessHeap(), 0, sizeof *restype );
restype->id = res_strdupW( Type );
list_init( &restype->children );
add_resource_dir_entry( &updates->root, restype );
}
resname = find_resource_dir_entry( &restype->children, Name );
if (!resname)
{
resname = HeapAlloc( GetProcessHeap(), 0, sizeof *resname );
resname->id = res_strdupW( Name );
list_init( &resname->children );
add_resource_dir_entry( &restype->children, resname );
}
/*
* If there's an existing resource entry with matching (Type,Name,Language)
* it needs to be removed before adding the new data.
*/
existing = find_resource_data( &resname->children, Lang );
if (existing)
{
if (!overwrite_existing)
return FALSE;
list_remove( &existing->entry );
HeapFree( GetProcessHeap(), 0, existing );
}
if (resdata)
add_resource_data_entry( &resname->children, resdata );
return TRUE;
}
static struct resource_data *allocate_resource_data( WORD Language, DWORD codepage,
LPVOID lpData, DWORD cbData, BOOL copy_data )
{
struct resource_data *resdata;
if (!lpData || !cbData)
return NULL;
resdata = HeapAlloc( GetProcessHeap(), 0, sizeof *resdata + (copy_data ? cbData : 0) );
if (resdata)
{
resdata->lang = Language;
resdata->codepage = codepage;
resdata->cbData = cbData;
if (copy_data)
{
resdata->lpData = &resdata[1];
memcpy( resdata->lpData, lpData, cbData );
}
else
resdata->lpData = lpData;
}
return resdata;
}
static void free_resource_directory( struct list *head, int level )
{
struct list *ptr = NULL;
while ((ptr = list_head( head )))
{
list_remove( ptr );
if (level)
{
struct resource_dir_entry *ent;
ent = LIST_ENTRY( ptr, struct resource_dir_entry, entry );
res_free_str( ent->id );
free_resource_directory( &ent->children, level - 1 );
HeapFree(GetProcessHeap(), 0, ent);
}
else
{
struct resource_data *data;
data = LIST_ENTRY( ptr, struct resource_data, entry );
HeapFree( GetProcessHeap(), 0, data );
}
}
}
static IMAGE_NT_HEADERS *get_nt_header( void *base, DWORD mapping_size )
{
IMAGE_NT_HEADERS *nt;
IMAGE_DOS_HEADER *dos;
if (mapping_size<sizeof (*dos))
return NULL;
dos = base;
if (dos->e_magic != IMAGE_DOS_SIGNATURE)
return NULL;
if ((dos->e_lfanew + sizeof (*nt)) > mapping_size)
return NULL;
nt = (void*) ((BYTE*)base + dos->e_lfanew);
if (nt->Signature != IMAGE_NT_SIGNATURE)
return NULL;
return nt;
}
static IMAGE_SECTION_HEADER *get_section_header( void *base, DWORD mapping_size, DWORD *num_sections )
{
IMAGE_NT_HEADERS *nt;
DWORD section_ofs;
nt = get_nt_header( base, mapping_size );
if (!nt)
return NULL;
/* check that we don't go over the end of the file accessing the sections */
section_ofs = FIELD_OFFSET(IMAGE_NT_HEADERS, OptionalHeader) + nt->FileHeader.SizeOfOptionalHeader;
if ((nt->FileHeader.NumberOfSections * sizeof (IMAGE_SECTION_HEADER) + section_ofs) > mapping_size)
return NULL;
if (num_sections)
*num_sections = nt->FileHeader.NumberOfSections;
/* from here we have a valid PE exe to update */
return (void*) ((BYTE*)nt + section_ofs);
}
static BOOL check_pe_exe( HANDLE file, QUEUEDUPDATES *updates )
{
const IMAGE_NT_HEADERS32 *nt;
const IMAGE_NT_HEADERS64 *nt64;
const IMAGE_SECTION_HEADER *sec;
const IMAGE_DATA_DIRECTORY *dd;
BOOL ret = FALSE;
HANDLE mapping;
DWORD mapping_size, num_sections = 0;
void *base = NULL;
mapping_size = GetFileSize( file, NULL );
mapping = CreateFileMappingW( file, NULL, PAGE_READONLY, 0, 0, NULL );
if (!mapping)
goto done;
base = MapViewOfFile( mapping, FILE_MAP_READ, 0, 0, mapping_size );
if (!base)
goto done;
nt = (IMAGE_NT_HEADERS32 *)get_nt_header( base, mapping_size );
if (!nt)
goto done;
nt64 = (IMAGE_NT_HEADERS64*)nt;
dd = &nt->OptionalHeader.DataDirectory[0];
if (nt->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR64_MAGIC)
dd = &nt64->OptionalHeader.DataDirectory[0];
TRACE("resources: %08lx %08lx\n",
dd[IMAGE_DIRECTORY_ENTRY_RESOURCE].VirtualAddress,
dd[IMAGE_DIRECTORY_ENTRY_RESOURCE].Size);
sec = get_section_header( base, mapping_size, &num_sections );
if (!sec)
goto done;
ret = TRUE;
done:
if (base)
UnmapViewOfFile( base );
if (mapping)
CloseHandle( mapping );
return ret;
}
struct resource_size_info {
DWORD types_ofs;
DWORD names_ofs;
DWORD langs_ofs;
DWORD data_entry_ofs;
DWORD strings_ofs;
DWORD data_ofs;
DWORD total_size;
};
struct mapping_info {
HANDLE file;
void *base;
DWORD size;
BOOL read_write;
};
static const IMAGE_SECTION_HEADER *section_from_rva( void *base, DWORD mapping_size, DWORD rva )
{
const IMAGE_SECTION_HEADER *sec;
DWORD num_sections = 0;
int i;
sec = get_section_header( base, mapping_size, &num_sections );
if (!sec)
return NULL;
for (i=num_sections-1; i>=0; i--)
{
if (sec[i].VirtualAddress <= rva &&
rva <= (DWORD)sec[i].VirtualAddress + sec[i].SizeOfRawData)
{
return &sec[i];
}
}
return NULL;
}
static void *address_from_rva( void *base, DWORD mapping_size, DWORD rva, DWORD len )
{
const IMAGE_SECTION_HEADER *sec;
sec = section_from_rva( base, mapping_size, rva );
if (!sec)
return NULL;
if (rva + len <= (DWORD)sec->VirtualAddress + sec->SizeOfRawData)
return (void*)((LPBYTE) base + (sec->PointerToRawData + rva - sec->VirtualAddress));
return NULL;
}
static LPWSTR resource_dup_string( const IMAGE_RESOURCE_DIRECTORY *root, const IMAGE_RESOURCE_DIRECTORY_ENTRY *entry )
{
const IMAGE_RESOURCE_DIR_STRING_U* string;
LPWSTR s;
if (!entry->NameIsString)
return UIntToPtr(entry->Id);
string = (const IMAGE_RESOURCE_DIR_STRING_U*) (((const char *)root) + entry->NameOffset);
s = HeapAlloc(GetProcessHeap(), 0, (string->Length + 1)*sizeof (WCHAR) );
memcpy( s, string->NameString, (string->Length + 1)*sizeof (WCHAR) );
s[string->Length] = 0;
return s;
}
/* this function is based on the code in winedump's pe.c */
static BOOL enumerate_mapped_resources( QUEUEDUPDATES *updates,
void *base, DWORD mapping_size,
const IMAGE_RESOURCE_DIRECTORY *root )
{
const IMAGE_RESOURCE_DIRECTORY *namedir, *langdir;
const IMAGE_RESOURCE_DIRECTORY_ENTRY *e1, *e2, *e3;
const IMAGE_RESOURCE_DATA_ENTRY *data;
DWORD i, j, k;
TRACE("version (%d.%d) %d named %d id entries\n",
root->MajorVersion, root->MinorVersion, root->NumberOfNamedEntries, root->NumberOfIdEntries);
for (i = 0; i< root->NumberOfNamedEntries + root->NumberOfIdEntries; i++)
{
LPWSTR Type;
e1 = (const IMAGE_RESOURCE_DIRECTORY_ENTRY*)(root + 1) + i;
Type = resource_dup_string( root, e1 );
namedir = (const IMAGE_RESOURCE_DIRECTORY *)((const char *)root + e1->OffsetToDirectory);
for (j = 0; j < namedir->NumberOfNamedEntries + namedir->NumberOfIdEntries; j++)
{
LPWSTR Name;
e2 = (const IMAGE_RESOURCE_DIRECTORY_ENTRY*)(namedir + 1) + j;
Name = resource_dup_string( root, e2 );
langdir = (const IMAGE_RESOURCE_DIRECTORY *)((const char *)root + e2->OffsetToDirectory);
for (k = 0; k < langdir->NumberOfNamedEntries + langdir->NumberOfIdEntries; k++)
{
LANGID Lang;
void *p;
struct resource_data *resdata;
e3 = (const IMAGE_RESOURCE_DIRECTORY_ENTRY*)(langdir + 1) + k;
Lang = e3->Id;
data = (const IMAGE_RESOURCE_DATA_ENTRY *)((const char *)root + e3->OffsetToData);
p = address_from_rva( base, mapping_size, data->OffsetToData, data->Size );
resdata = allocate_resource_data( Lang, data->CodePage, p, data->Size, FALSE );
if (resdata)
{
if (!update_add_resource( updates, Type, Name, Lang, resdata, FALSE ))
HeapFree( GetProcessHeap(), 0, resdata );
}
}
res_free_str( Name );
}
res_free_str( Type );
}
return TRUE;
}
static BOOL read_mapped_resources( QUEUEDUPDATES *updates, void *base, DWORD mapping_size )
{
const IMAGE_RESOURCE_DIRECTORY *root;
const IMAGE_NT_HEADERS *nt;
const IMAGE_SECTION_HEADER *sec;
DWORD num_sections = 0, i;
nt = get_nt_header( base, mapping_size );
if (!nt)
return FALSE;
sec = get_section_header( base, mapping_size, &num_sections );
if (!sec)
return FALSE;
for (i=0; i<num_sections; i++)
if (!memcmp(sec[i].Name, ".rsrc", 6))
break;
if (i == num_sections)
return TRUE;
/* check the resource data is inside the mapping */
if (sec[i].PointerToRawData > mapping_size ||
(sec[i].PointerToRawData + sec[i].SizeOfRawData) > mapping_size)
return TRUE;
TRACE("found .rsrc at %08lx, size %08lx\n", sec[i].PointerToRawData, sec[i].SizeOfRawData);
if (!sec[i].PointerToRawData || sec[i].SizeOfRawData < sizeof(IMAGE_RESOURCE_DIRECTORY))
return TRUE;
root = (void*) ((BYTE*)base + sec[i].PointerToRawData);
enumerate_mapped_resources( updates, base, mapping_size, root );
return TRUE;
}
static BOOL map_file_into_memory( struct mapping_info *mi )
{
DWORD page_attr, perm;
HANDLE mapping;
if (mi->read_write)
{
page_attr = PAGE_READWRITE;
perm = FILE_MAP_WRITE | FILE_MAP_READ;
}
else
{
page_attr = PAGE_READONLY;
perm = FILE_MAP_READ;
}
mapping = CreateFileMappingW( mi->file, NULL, page_attr, 0, 0, NULL );
if (!mapping) return FALSE;
mi->base = MapViewOfFile( mapping, perm, 0, 0, mi->size );
CloseHandle( mapping );
return mi->base != NULL;
}
static BOOL unmap_file_from_memory( struct mapping_info *mi )
{
if (mi->base)
UnmapViewOfFile( mi->base );
mi->base = NULL;
return TRUE;
}
static void destroy_mapping( struct mapping_info *mi )
{
if (!mi)
return;
unmap_file_from_memory( mi );
if (mi->file)
CloseHandle( mi->file );
HeapFree( GetProcessHeap(), 0, mi );
}
static struct mapping_info *create_mapping( LPCWSTR name, BOOL rw )
{
struct mapping_info *mi;
mi = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof *mi );
if (!mi)
return NULL;
mi->read_write = rw;
mi->file = CreateFileW( name, GENERIC_READ | (rw ? GENERIC_WRITE : 0),
0, NULL, OPEN_EXISTING, 0, 0 );
if (mi->file != INVALID_HANDLE_VALUE)
{
mi->size = GetFileSize( mi->file, NULL );
if (map_file_into_memory( mi ))
return mi;
}
destroy_mapping( mi );
return NULL;
}
static BOOL resize_mapping( struct mapping_info *mi, DWORD new_size )
{
if (!unmap_file_from_memory( mi ))
return FALSE;
/* change the file size */
SetFilePointer( mi->file, new_size, NULL, FILE_BEGIN );
if (!SetEndOfFile( mi->file ))
{
ERR("failed to set file size to %08lx\n", new_size );
return FALSE;
}
mi->size = new_size;
return map_file_into_memory( mi );
}
static void get_resource_sizes( QUEUEDUPDATES *updates, struct resource_size_info *si )
{
struct resource_dir_entry *types, *names;
struct resource_data *data;
DWORD num_types = 0, num_names = 0, num_langs = 0, strings_size = 0, data_size = 0;
memset( si, 0, sizeof *si );
LIST_FOR_EACH_ENTRY( types, &updates->root, struct resource_dir_entry, entry )
{
num_types++;
if (!IS_INTRESOURCE( types->id ))
strings_size += sizeof (WORD) + lstrlenW( types->id )*sizeof (WCHAR);
LIST_FOR_EACH_ENTRY( names, &types->children, struct resource_dir_entry, entry )
{
num_names++;
if (!IS_INTRESOURCE( names->id ))
strings_size += sizeof (WORD) + lstrlenW( names->id )*sizeof (WCHAR);
LIST_FOR_EACH_ENTRY( data, &names->children, struct resource_data, entry )
{
num_langs++;
data_size += (data->cbData + 3) & ~3;
}
}
}
/* names are at the end of the types */
si->names_ofs = sizeof (IMAGE_RESOURCE_DIRECTORY) +
num_types * sizeof (IMAGE_RESOURCE_DIRECTORY_ENTRY);
/* language directories are at the end of the names */
si->langs_ofs = si->names_ofs +
num_types * sizeof (IMAGE_RESOURCE_DIRECTORY) +
num_names * sizeof (IMAGE_RESOURCE_DIRECTORY_ENTRY);
si->data_entry_ofs = si->langs_ofs +
num_names * sizeof (IMAGE_RESOURCE_DIRECTORY) +
num_langs * sizeof (IMAGE_RESOURCE_DIRECTORY_ENTRY);
si->strings_ofs = si->data_entry_ofs +
num_langs * sizeof (IMAGE_RESOURCE_DATA_ENTRY);
si->data_ofs = si->strings_ofs + ((strings_size + 3) & ~3);
si->total_size = si->data_ofs + data_size;
TRACE("names %08lx langs %08lx data entries %08lx strings %08lx data %08lx total %08lx\n",
si->names_ofs, si->langs_ofs, si->data_entry_ofs,
si->strings_ofs, si->data_ofs, si->total_size);
}
static void res_write_padding( BYTE *res_base, DWORD size )
{
static const BYTE pad[] = {
'P','A','D','D','I','N','G','X','X','P','A','D','D','I','N','G' };
DWORD i;
for ( i = 0; i < size / sizeof pad; i++ )
memcpy( &res_base[i*sizeof pad], pad, sizeof pad );
memcpy( &res_base[i*sizeof pad], pad, size%sizeof pad );
}
static BOOL write_resources( QUEUEDUPDATES *updates, LPBYTE base, struct resource_size_info *si, DWORD rva )
{
struct resource_dir_entry *types, *names;
struct resource_data *data;
IMAGE_RESOURCE_DIRECTORY *root;
TRACE("%p %p %p %08lx\n", updates, base, si, rva );
memset( base, 0, si->total_size );
/* the root entry always exists */
root = (IMAGE_RESOURCE_DIRECTORY*) base;
memset( root, 0, sizeof *root );
root->MajorVersion = 4;
si->types_ofs = sizeof *root;
LIST_FOR_EACH_ENTRY( types, &updates->root, struct resource_dir_entry, entry )
{
IMAGE_RESOURCE_DIRECTORY_ENTRY *e1;
IMAGE_RESOURCE_DIRECTORY *namedir;
e1 = (IMAGE_RESOURCE_DIRECTORY_ENTRY*) &base[si->types_ofs];
memset( e1, 0, sizeof *e1 );
if (!IS_INTRESOURCE( types->id ))
{
WCHAR *strings;
DWORD len;
root->NumberOfNamedEntries++;
e1->NameIsString = 1;
e1->NameOffset = si->strings_ofs;
strings = (WCHAR*) &base[si->strings_ofs];
len = lstrlenW( types->id );
strings[0] = len;
memcpy( &strings[1], types->id, len * sizeof (WCHAR) );
si->strings_ofs += (len + 1) * sizeof (WCHAR);
}
else
{
root->NumberOfIdEntries++;
e1->Id = LOWORD( types->id );
}
e1->OffsetToDirectory = si->names_ofs;
e1->DataIsDirectory = TRUE;
si->types_ofs += sizeof (IMAGE_RESOURCE_DIRECTORY_ENTRY);
namedir = (IMAGE_RESOURCE_DIRECTORY*) &base[si->names_ofs];
memset( namedir, 0, sizeof *namedir );
namedir->MajorVersion = 4;
si->names_ofs += sizeof (IMAGE_RESOURCE_DIRECTORY);
LIST_FOR_EACH_ENTRY( names, &types->children, struct resource_dir_entry, entry )
{
IMAGE_RESOURCE_DIRECTORY_ENTRY *e2;
IMAGE_RESOURCE_DIRECTORY *langdir;
e2 = (IMAGE_RESOURCE_DIRECTORY_ENTRY*) &base[si->names_ofs];
memset( e2, 0, sizeof *e2 );
if (!IS_INTRESOURCE( names->id ))
{
WCHAR *strings;
DWORD len;
namedir->NumberOfNamedEntries++;
e2->NameIsString = 1;
e2->NameOffset = si->strings_ofs;
strings = (WCHAR*) &base[si->strings_ofs];
len = lstrlenW( names->id );
strings[0] = len;
memcpy( &strings[1], names->id, len * sizeof (WCHAR) );
si->strings_ofs += (len + 1) * sizeof (WCHAR);
}
else
{
namedir->NumberOfIdEntries++;
e2->Id = LOWORD( names->id );
}
e2->OffsetToDirectory = si->langs_ofs;
e2->DataIsDirectory = TRUE;
si->names_ofs += sizeof (IMAGE_RESOURCE_DIRECTORY_ENTRY);
langdir = (IMAGE_RESOURCE_DIRECTORY*) &base[si->langs_ofs];
memset( langdir, 0, sizeof *langdir );
langdir->MajorVersion = 4;
si->langs_ofs += sizeof (IMAGE_RESOURCE_DIRECTORY);
LIST_FOR_EACH_ENTRY( data, &names->children, struct resource_data, entry )
{
IMAGE_RESOURCE_DIRECTORY_ENTRY *e3;
IMAGE_RESOURCE_DATA_ENTRY *de;
int pad_size;
e3 = (IMAGE_RESOURCE_DIRECTORY_ENTRY*) &base[si->langs_ofs];
memset( e3, 0, sizeof *e3 );
langdir->NumberOfIdEntries++;
e3->Id = LOWORD( data->lang );
e3->OffsetToData = si->data_entry_ofs;
si->langs_ofs += sizeof (IMAGE_RESOURCE_DIRECTORY_ENTRY);
/* write out all the data entries */
de = (IMAGE_RESOURCE_DATA_ENTRY*) &base[si->data_entry_ofs];
memset( de, 0, sizeof *de );
de->OffsetToData = si->data_ofs + rva;
de->Size = data->cbData;
de->CodePage = data->codepage;
si->data_entry_ofs += sizeof (IMAGE_RESOURCE_DATA_ENTRY);
/* write out the resource data */
memcpy( &base[si->data_ofs], data->lpData, data->cbData );
si->data_ofs += data->cbData;
pad_size = (-si->data_ofs)&3;
res_write_padding( &base[si->data_ofs], pad_size );
si->data_ofs += pad_size;
}
}
}
return TRUE;
}
/*
* FIXME:
* Assumes that the resources are in .rsrc
* and .rsrc is the last section in the file.
* Not sure whether updating resources will other cases on Windows.
* If the resources lie in a section containing other data,
* resizing that section could possibly cause trouble.
* If the section with the resources isn't last, the remaining
* sections need to be moved down in the file, and the section header
* would need to be adjusted.
* If we needed to add a section, what would we name it?
* If we needed to add a section and there wasn't space in the file
* header, how would that work?
* Seems that at least some of these cases can't be handled properly.
*/
static IMAGE_SECTION_HEADER *get_resource_section( void *base, DWORD mapping_size )
{
IMAGE_SECTION_HEADER *sec;
IMAGE_NT_HEADERS *nt;
DWORD i, num_sections = 0;
nt = get_nt_header( base, mapping_size );
if (!nt)
return NULL;
sec = get_section_header( base, mapping_size, &num_sections );
if (!sec)
return NULL;
/* find the resources section */
for (i=0; i<num_sections; i++)
if (!memcmp(sec[i].Name, ".rsrc", 6))
break;
if (i == num_sections)
return NULL;
return &sec[i];
}
static DWORD get_init_data_size( void *base, DWORD mapping_size )
{
DWORD i, sz = 0, num_sections = 0;
IMAGE_SECTION_HEADER *s;
s = get_section_header( base, mapping_size, &num_sections );
for (i=0; i<num_sections; i++)
if (s[i].Characteristics & IMAGE_SCN_CNT_INITIALIZED_DATA)
sz += s[i].SizeOfRawData;
TRACE("size = %08lx\n", sz);
return sz;
}
static BOOL write_raw_resources( QUEUEDUPDATES *updates )
{
WCHAR tempdir[MAX_PATH], tempfile[MAX_PATH];
DWORD i, section_size;
BOOL ret = FALSE;
IMAGE_SECTION_HEADER *sec;
IMAGE_NT_HEADERS32 *nt;
IMAGE_NT_HEADERS64 *nt64;
struct resource_size_info res_size;
BYTE *res_base;
struct mapping_info *read_map = NULL, *write_map = NULL;
DWORD PeSectionAlignment, PeFileAlignment, PeSizeOfImage;
/* copy the exe to a temp file then update the temp file... */
tempdir[0] = 0;
if (!GetTempPathW( MAX_PATH, tempdir ))
return ret;
if (!GetTempFileNameW( tempdir, L"resu", 0, tempfile ))
return ret;