aboutsummaryrefslogtreecommitdiffhomepage
path: root/loader/pe_resource.c
blob: 054bdd58def8dbf483c609f86309d291b54f1eba (plain)
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
/*
 * PE (Portable Execute) File Resources
 *
 * Copyright 1995 Thomas Sandford
 * Copyright 1996 Martin von Loewis
 *
 * Based on the Win16 resource handling code in loader/resource.c
 * Copyright 1993 Robert J. Amstadt
 * Copyright 1995 Alexandre Julliard
 * Copyright 1997 Marcus Meissner
 *
 * Modified for use with MPlayer, detailed changelog at
 * http://svn.mplayerhq.hu/mplayer/trunk/
 *
 */
#include "config.h"

#include <stdlib.h>
#include <sys/types.h>
#include "wine/winestring.h"
#include "wine/windef.h"
#include "wine/pe_image.h"
#include "wine/module.h"
#include "wine/heap.h"
//#include "task.h"
//#include "process.h"
//#include "stackframe.h"
#include "wine/debugtools.h"
#include "ext.h"

/**********************************************************************
 *  HMODULE32toPE_MODREF 
 *
 * small helper function to get a PE_MODREF from a passed HMODULE32
 */
static PE_MODREF*
HMODULE32toPE_MODREF(HMODULE hmod) {
	WINE_MODREF	*wm;

	wm = MODULE32_LookupHMODULE( hmod );
	if (!wm || wm->type!=MODULE32_PE)
		return NULL;
	return &(wm->binfmt.pe);
}

/**********************************************************************
 *	    GetResDirEntryW
 *
 *	Helper function - goes down one level of PE resource tree
 *
 */
PIMAGE_RESOURCE_DIRECTORY GetResDirEntryW(PIMAGE_RESOURCE_DIRECTORY resdirptr,
					   LPCWSTR name,DWORD root,
					   WIN_BOOL allowdefault)
{
    int entrynum;
    PIMAGE_RESOURCE_DIRECTORY_ENTRY entryTable;
    int namelen;

    if (HIWORD(name)) {
    	if (name[0]=='#') {
		char	buf[10];

		lstrcpynWtoA(buf,name+1,10);
		return GetResDirEntryW(resdirptr,(LPCWSTR)atoi(buf),root,allowdefault);
	}
	entryTable = (PIMAGE_RESOURCE_DIRECTORY_ENTRY) (
			(BYTE *) resdirptr + 
                        sizeof(IMAGE_RESOURCE_DIRECTORY));
	namelen = lstrlenW(name);
	for (entrynum = 0; entrynum < resdirptr->NumberOfNamedEntries; entrynum++)
	{
		PIMAGE_RESOURCE_DIR_STRING_U str =
		(PIMAGE_RESOURCE_DIR_STRING_U) (root + 
			entryTable[entrynum].u1.s.NameOffset);
		if(namelen != str->Length)
			continue;
		if(wcsnicmp(name,str->NameString,str->Length)==0)
			return (PIMAGE_RESOURCE_DIRECTORY) (
				root +
				entryTable[entrynum].u2.s.OffsetToDirectory);
	}
	return NULL;
    } else {
	entryTable = (PIMAGE_RESOURCE_DIRECTORY_ENTRY) (
			(BYTE *) resdirptr + 
                        sizeof(IMAGE_RESOURCE_DIRECTORY) +
			resdirptr->NumberOfNamedEntries * sizeof(IMAGE_RESOURCE_DIRECTORY_ENTRY));
	for (entrynum = 0; entrynum < resdirptr->NumberOfIdEntries; entrynum++)
	    if ((DWORD)entryTable[entrynum].u1.Name == (DWORD)name)
		return (PIMAGE_RESOURCE_DIRECTORY) (
			root +
			entryTable[entrynum].u2.s.OffsetToDirectory);
	/* just use first entry if no default can be found */
	if (allowdefault && !name && resdirptr->NumberOfIdEntries)
		return (PIMAGE_RESOURCE_DIRECTORY) (
			root +
			entryTable[0].u2.s.OffsetToDirectory);
	return NULL;
    }
}

/**********************************************************************
 *	    GetResDirEntryA
 */
PIMAGE_RESOURCE_DIRECTORY GetResDirEntryA( PIMAGE_RESOURCE_DIRECTORY resdirptr,
					   LPCSTR name, DWORD root,
					   WIN_BOOL allowdefault )
{
    PIMAGE_RESOURCE_DIRECTORY retv;
    LPWSTR nameW = HIWORD(name)? HEAP_strdupAtoW( GetProcessHeap(), 0, name ) 
                               : (LPWSTR)name;

    retv = GetResDirEntryW( resdirptr, nameW, root, allowdefault );

    if ( HIWORD(name) ) HeapFree( GetProcessHeap(), 0, nameW );

    return retv;
}

/**********************************************************************
 *	    PE_FindResourceEx32W
 */
HANDLE PE_FindResourceExW(
	WINE_MODREF *wm,LPCWSTR name,LPCWSTR type,WORD lang
) {
    PIMAGE_RESOURCE_DIRECTORY resdirptr;
    DWORD root;
    HANDLE result;
    PE_MODREF	*pem = &(wm->binfmt.pe);

    if (!pem || !pem->pe_resource)
    	return 0;

    resdirptr = pem->pe_resource;
    root = (DWORD) resdirptr;
    if ((resdirptr = GetResDirEntryW(resdirptr, type, root, FALSE)) == NULL)
	return 0;
    if ((resdirptr = GetResDirEntryW(resdirptr, name, root, FALSE)) == NULL)
	return 0;
    result = (HANDLE)GetResDirEntryW(resdirptr, (LPCWSTR)(UINT)lang, root, FALSE);
	/* Try LANG_NEUTRAL, too */
    if(!result)
        return (HANDLE)GetResDirEntryW(resdirptr, (LPCWSTR)0, root, TRUE);
    return result;
}


/**********************************************************************
 *	    PE_LoadResource32
 */
HANDLE PE_LoadResource( WINE_MODREF *wm, HANDLE hRsrc )
{
    if (!hRsrc || !wm || wm->type!=MODULE32_PE)
    	return 0;
    return (HANDLE) (wm->module + ((PIMAGE_RESOURCE_DATA_ENTRY)hRsrc)->OffsetToData);
}


/**********************************************************************
 *	    PE_SizeofResource32
 */
DWORD PE_SizeofResource( HINSTANCE hModule, HANDLE hRsrc )
{
    /* we don't need hModule */
    if (!hRsrc)
   	 return 0;
    return ((PIMAGE_RESOURCE_DATA_ENTRY)hRsrc)->Size;
}

/**********************************************************************
 *	    PE_EnumResourceTypes32A
 */
WIN_BOOL
PE_EnumResourceTypesA(HMODULE hmod,ENUMRESTYPEPROCA lpfun,LONG lparam) {
    PE_MODREF	*pem = HMODULE32toPE_MODREF(hmod);
    int		i;
    PIMAGE_RESOURCE_DIRECTORY		resdir;
    PIMAGE_RESOURCE_DIRECTORY_ENTRY	et;
    WIN_BOOL	ret;
    HANDLE	heap = GetProcessHeap();	

    if (!pem || !pem->pe_resource)
    	return FALSE;

    resdir = (PIMAGE_RESOURCE_DIRECTORY)pem->pe_resource;
    et =(PIMAGE_RESOURCE_DIRECTORY_ENTRY)((LPBYTE)resdir+sizeof(IMAGE_RESOURCE_DIRECTORY));
    ret = FALSE;
    for (i=0;i<resdir->NumberOfNamedEntries+resdir->NumberOfIdEntries;i++) {
    	LPSTR	name;

	if (et[i].u1.s.NameIsString)
		name = HEAP_strdupWtoA(heap,0,(LPWSTR)((LPBYTE)pem->pe_resource+et[i].u1.s.NameOffset));
	else
		name = (LPSTR)(int)et[i].u1.Id;
	ret = lpfun(hmod,name,lparam);
	if (HIWORD(name))
		HeapFree(heap,0,name);
	if (!ret)
		break;
    }
    return ret;
}

/**********************************************************************
 *	    PE_EnumResourceTypes32W
 */
WIN_BOOL
PE_EnumResourceTypesW(HMODULE hmod,ENUMRESTYPEPROCW lpfun,LONG lparam) {
    PE_MODREF	*pem = HMODULE32toPE_MODREF(hmod);
    int		i;
    PIMAGE_RESOURCE_DIRECTORY		resdir;
    PIMAGE_RESOURCE_DIRECTORY_ENTRY	et;
    WIN_BOOL	ret;

    if (!pem || !pem->pe_resource)
    	return FALSE;

    resdir = (PIMAGE_RESOURCE_DIRECTORY)pem->pe_resource;
    et =(PIMAGE_RESOURCE_DIRECTORY_ENTRY)((LPBYTE)resdir+sizeof(IMAGE_RESOURCE_DIRECTORY));
    ret = FALSE;
    for (i=0;i<resdir->NumberOfNamedEntries+resdir->NumberOfIdEntries;i++) {
	LPWSTR	type;
    	if (et[i].u1.s.NameIsString)
		type = (LPWSTR)((LPBYTE)pem->pe_resource+et[i].u1.s.NameOffset);
	else
		type = (LPWSTR)(int)et[i].u1.Id;

	ret = lpfun(hmod,type,lparam);
	if (!ret)
		break;
    }
    return ret;
}

/**********************************************************************
 *	    PE_EnumResourceNames32A
 */
WIN_BOOL
PE_EnumResourceNamesA(
	HMODULE hmod,LPCSTR type,ENUMRESNAMEPROCA lpfun,LONG lparam
) {
    PE_MODREF	*pem = HMODULE32toPE_MODREF(hmod);
    int		i;
    PIMAGE_RESOURCE_DIRECTORY		resdir;
    PIMAGE_RESOURCE_DIRECTORY_ENTRY	et;
    WIN_BOOL	ret;
    HANDLE	heap = GetProcessHeap();	
    LPWSTR	typeW;

    if (!pem || !pem->pe_resource)
    	return FALSE;
    resdir = (PIMAGE_RESOURCE_DIRECTORY)pem->pe_resource;
    if (HIWORD(type))
	typeW = HEAP_strdupAtoW(heap,0,type);
    else
	typeW = (LPWSTR)type;
    resdir = GetResDirEntryW(resdir,typeW,(DWORD)pem->pe_resource,FALSE);
    if (HIWORD(typeW))
    	HeapFree(heap,0,typeW);
    if (!resdir)
    	return FALSE;
    et =(PIMAGE_RESOURCE_DIRECTORY_ENTRY)((LPBYTE)resdir+sizeof(IMAGE_RESOURCE_DIRECTORY));
    ret = FALSE;
    for (i=0;i<resdir->NumberOfNamedEntries+resdir->NumberOfIdEntries;i++) {
    	LPSTR	name;

	if (et[i].u1.s.NameIsString)
	    name = HEAP_strdupWtoA(heap,0,(LPWSTR)((LPBYTE)pem->pe_resource+et[i].u1.s.NameOffset));
	else
	    name = (LPSTR)(int)et[i].u1.Id;
	ret = lpfun(hmod,type,name,lparam);
	if (HIWORD(name)) HeapFree(heap,0,name);
	if (!ret)
		break;
    }
    return ret;
}

/**********************************************************************
 *	    PE_EnumResourceNames32W
 */
WIN_BOOL
PE_EnumResourceNamesW(
	HMODULE hmod,LPCWSTR type,ENUMRESNAMEPROCW lpfun,LONG lparam
) {
    PE_MODREF	*pem = HMODULE32toPE_MODREF(hmod);
    int		i;
    PIMAGE_RESOURCE_DIRECTORY		resdir;
    PIMAGE_RESOURCE_DIRECTORY_ENTRY	et;
    WIN_BOOL	ret;

    if (!pem || !pem->pe_resource)
    	return FALSE;

    resdir = (PIMAGE_RESOURCE_DIRECTORY)pem->pe_resource;
    resdir = GetResDirEntryW(resdir,type,(DWORD)pem->pe_resource,FALSE);
    if (!resdir)
    	return FALSE;
    et =(PIMAGE_RESOURCE_DIRECTORY_ENTRY)((LPBYTE)resdir+sizeof(IMAGE_RESOURCE_DIRECTORY));
    ret = FALSE;
    for (i=0;i<resdir->NumberOfNamedEntries+resdir->NumberOfIdEntries;i++) {
	LPWSTR	name;
    	if (et[i].u1.s.NameIsString)
		name = (LPWSTR)((LPBYTE)pem->pe_resource+et[i].u1.s.NameOffset);
	else
		name = (LPWSTR)(int)et[i].u1.Id;
	ret = lpfun(hmod,type,name,lparam);
	if (!ret)
		break;
    }
    return ret;
}

/**********************************************************************
 *	    PE_EnumResourceNames32A
 */
WIN_BOOL
PE_EnumResourceLanguagesA(
	HMODULE hmod,LPCSTR name,LPCSTR type,ENUMRESLANGPROCA lpfun,
	LONG lparam
) {
    PE_MODREF	*pem = HMODULE32toPE_MODREF(hmod);
    int		i;
    PIMAGE_RESOURCE_DIRECTORY		resdir;
    PIMAGE_RESOURCE_DIRECTORY_ENTRY	et;
    WIN_BOOL	ret;
    HANDLE	heap = GetProcessHeap();	
    LPWSTR	nameW,typeW;

    if (!pem || !pem->pe_resource)
    	return FALSE;

    resdir = (PIMAGE_RESOURCE_DIRECTORY)pem->pe_resource;
    if (HIWORD(name))
	nameW = HEAP_strdupAtoW(heap,0,name);
    else
    	nameW = (LPWSTR)name;
    resdir = GetResDirEntryW(resdir,nameW,(DWORD)pem->pe_resource,FALSE);
    if (HIWORD(nameW))
    	HeapFree(heap,0,nameW);
    if (!resdir)
    	return FALSE;
    if (HIWORD(type))
	typeW = HEAP_strdupAtoW(heap,0,type);
    else
	typeW = (LPWSTR)type;
    resdir = GetResDirEntryW(resdir,typeW,(DWORD)pem->pe_resource,FALSE);
    if (HIWORD(typeW))
    	HeapFree(heap,0,typeW);
    if (!resdir)
    	return FALSE;
    et =(PIMAGE_RESOURCE_DIRECTORY_ENTRY)((LPBYTE)resdir+sizeof(IMAGE_RESOURCE_DIRECTORY));
    ret = FALSE;
    for (i=0;i<resdir->NumberOfNamedEntries+resdir->NumberOfIdEntries;i++) {
    	/* languages are just ids... I hopem */
	ret = lpfun(hmod,name,type,et[i].u1.Id,lparam);
	if (!ret)
		break;
    }
    return ret;
}

/**********************************************************************
 *	    PE_EnumResourceLanguages32W
 */
WIN_BOOL
PE_EnumResourceLanguagesW(
	HMODULE hmod,LPCWSTR name,LPCWSTR type,ENUMRESLANGPROCW lpfun,
	LONG lparam
) {
    PE_MODREF	*pem = HMODULE32toPE_MODREF(hmod);
    int		i;
    PIMAGE_RESOURCE_DIRECTORY		resdir;
    PIMAGE_RESOURCE_DIRECTORY_ENTRY	et;
    WIN_BOOL	ret;

    if (!pem || !pem->pe_resource)
    	return FALSE;

    resdir = (PIMAGE_RESOURCE_DIRECTORY)pem->pe_resource;
    resdir = GetResDirEntryW(resdir,name,(DWORD)pem->pe_resource,FALSE);
    if (!resdir)
    	return FALSE;
    resdir = GetResDirEntryW(resdir,type,(DWORD)pem->pe_resource,FALSE);
    if (!resdir)
    	return FALSE;
    et =(PIMAGE_RESOURCE_DIRECTORY_ENTRY)((LPBYTE)resdir+sizeof(IMAGE_RESOURCE_DIRECTORY));
    ret = FALSE;
    for (i=0;i<resdir->NumberOfNamedEntries+resdir->NumberOfIdEntries;i++) {
	ret = lpfun(hmod,name,type,et[i].u1.Id,lparam);
	if (!ret)
		break;
    }
    return ret;
}