source: trunk/src/crypt32/sip.c@ 21354

Last change on this file since 21354 was 21354, checked in by rlwalsh, 16 years ago

eliminate VACPP warning & info msgs - see Ticket #1
File size: 24.7 KB
Line 
1/*
2 * Copyright 2002 Mike McCormack for CodeWeavers
3 * Copyright 2005-2008 Juan Lang
4 * Copyright 2006 Paul Vriens
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 */
20
21#include <stdarg.h>
22#include <stdio.h>
23#include <string.h>
24
25#define WINE_LARGE_INTEGER /* for QuadPart in LARGE_INTEGER */
26
27#include "windef.h"
28#include "winbase.h"
29#include "winerror.h"
30#include "wincrypt.h"
31#include "winreg.h"
32#include "winnls.h"
33#include "mssip.h"
34#include "winuser.h"
35
36#include "wine/debug.h"
37#include "wine/list.h"
38#include "win32type.h"
39
40WINE_DEFAULT_DEBUG_CHANNEL(crypt);
41
42static const WCHAR szOID[] = {
43 'S','o','f','t','w','a','r','e','\\',
44 'M','i','c','r','o','s','o','f','t','\\',
45 'C','r','y','p','t','o','g','r','a','p','h','y','\\',
46 'O','I','D','\\',
47 'E','n','c','o','d','i','n','g','T','y','p','e',' ','0','\\',
48 'C','r','y','p','t','S','I','P','D','l','l', 0 };
49
50static const WCHAR szPutSigned[] = {
51 'P','u','t','S','i','g','n','e','d','D','a','t','a','M','s','g','\\',0};
52static const WCHAR szGetSigned[] = {
53 'G','e','t','S','i','g','n','e','d','D','a','t','a','M','s','g','\\',0};
54static const WCHAR szRemoveSigned[] = {
55 'R','e','m','o','v','e','S','i','g','n','e','d','D','a','t','a','M','s','g','\\',0};
56static const WCHAR szCreate[] = {
57 'C','r','e','a','t','e','I','n','d','i','r','e','c','t','D','a','t','a','\\',0};
58static const WCHAR szVerify[] = {
59 'V','e','r','i','f','y','I','n','d','i','r','e','c','t','D','a','t','a','\\',0};
60static const WCHAR szIsMyFile[] = {
61 'I','s','M','y','F','i','l','e','T','y','p','e','\\',0};
62static const WCHAR szIsMyFile2[] = {
63 'I','s','M','y','F','i','l','e','T','y','p','e','2','\\',0};
64
65static const WCHAR szDllName[] = { 'D','l','l',0 };
66static const WCHAR szFuncName[] = { 'F','u','n','c','N','a','m','e',0 };
67
68/* convert a guid to a wide character string */
69static void CRYPT_guid2wstr( const GUID *guid, LPWSTR wstr )
70{
71 char str[40];
72
73 sprintf(str, "{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
74 guid->Data1, guid->Data2, guid->Data3,
75 guid->Data4[0], guid->Data4[1], guid->Data4[2], guid->Data4[3],
76 guid->Data4[4], guid->Data4[5], guid->Data4[6], guid->Data4[7] );
77 MultiByteToWideChar( CP_ACP, 0, str, -1, wstr, 40 );
78}
79
80/***********************************************************************
81 * CRYPT_SIPDeleteFunction
82 *
83 * Helper function for CryptSIPRemoveProvider
84 */
85static LONG CRYPT_SIPDeleteFunction( const GUID *guid, LPCWSTR szKey )
86{
87 WCHAR szFullKey[ 0x100 ];
88 LONG r = ERROR_SUCCESS;
89
90 /* max length of szFullKey depends on our code only, so we won't overrun */
91 lstrcpyW( szFullKey, szOID );
92 lstrcatW( szFullKey, szKey );
93 CRYPT_guid2wstr( guid, &szFullKey[ lstrlenW( szFullKey ) ] );
94
95 r = RegDeleteKeyW(HKEY_LOCAL_MACHINE, szFullKey);
96
97 return r;
98}
99
100/***********************************************************************
101 * CryptSIPRemoveProvider (CRYPT32.@)
102 *
103 * Remove a SIP provider and its functions from the registry.
104 *
105 * PARAMS
106 * pgProv [I] Pointer to a GUID for this SIP provider
107 *
108 * RETURNS
109 * Success: TRUE.
110 * Failure: FALSE. (Look at GetLastError()).
111 *
112 * NOTES
113 * Registry errors are always reported via SetLastError(). Every registry
114 * deletion will be tried.
115 */
116BOOL WINAPI CryptSIPRemoveProvider(GUID *pgProv)
117{
118 LONG r = ERROR_SUCCESS;
119 LONG remove_error = ERROR_SUCCESS;
120
121 TRACE("%s\n", debugstr_guid(pgProv));
122
123 if (!pgProv)
124 {
125 SetLastError(ERROR_INVALID_PARAMETER);
126 return FALSE;
127 }
128
129
130#define CRYPT_SIPREMOVEPROV( key ) \
131 r = CRYPT_SIPDeleteFunction( pgProv, key); \
132 if (r != ERROR_SUCCESS) remove_error = r
133
134 CRYPT_SIPREMOVEPROV( szPutSigned);
135 CRYPT_SIPREMOVEPROV( szGetSigned);
136 CRYPT_SIPREMOVEPROV( szRemoveSigned);
137 CRYPT_SIPREMOVEPROV( szCreate);
138 CRYPT_SIPREMOVEPROV( szVerify);
139 CRYPT_SIPREMOVEPROV( szIsMyFile);
140 CRYPT_SIPREMOVEPROV( szIsMyFile2);
141
142#undef CRYPT_SIPREMOVEPROV
143
144 if (remove_error != ERROR_SUCCESS)
145 {
146 SetLastError(remove_error);
147 return FALSE;
148 }
149
150 return TRUE;
151}
152
153/*
154 * Helper for CryptSIPAddProvider
155 *
156 * Add a registry key containing a dll name and function under
157 * "Software\\Microsoft\\Cryptography\\OID\\EncodingType 0\\<func>\\<guid>"
158 */
159static LONG CRYPT_SIPWriteFunction( const GUID *guid, LPCWSTR szKey,
160 LPCWSTR szDll, LPCWSTR szFunction )
161{
162 WCHAR szFullKey[ 0x100 ];
163 LONG r = ERROR_SUCCESS;
164 HKEY hKey;
165
166 if( !szFunction )
167 return ERROR_SUCCESS;
168
169 /* max length of szFullKey depends on our code only, so we won't overrun */
170 lstrcpyW( szFullKey, szOID );
171 lstrcatW( szFullKey, szKey );
172 CRYPT_guid2wstr( guid, &szFullKey[ lstrlenW( szFullKey ) ] );
173
174 TRACE("key is %s\n", debugstr_w( szFullKey ) );
175
176 r = RegCreateKeyW( HKEY_LOCAL_MACHINE, szFullKey, &hKey );
177 if( r != ERROR_SUCCESS ) goto error_close_key;
178
179 /* write the values */
180 r = RegSetValueExW( hKey, szFuncName, 0, REG_SZ, (BYTE*) szFunction,
181 ( lstrlenW( szFunction ) + 1 ) * sizeof (WCHAR) );
182 if( r != ERROR_SUCCESS ) goto error_close_key;
183 r = RegSetValueExW( hKey, szDllName, 0, REG_SZ, (BYTE*) szDll,
184 ( lstrlenW( szDll ) + 1) * sizeof (WCHAR) );
185
186error_close_key:
187
188 RegCloseKey( hKey );
189
190 return r;
191}
192
193/***********************************************************************
194 * CryptSIPAddProvider (CRYPT32.@)
195 *
196 * Add a SIP provider and its functions to the registry.
197 *
198 * PARAMS
199 * psNewProv [I] Pointer to a structure with information about
200 * the functions this SIP provider can perform.
201 *
202 * RETURNS
203 * Success: TRUE.
204 * Failure: FALSE. (Look at GetLastError()).
205 *
206 * NOTES
207 * Registry errors are always reported via SetLastError(). If a
208 * registry error occurs the rest of the registry write operations
209 * will be skipped.
210 */
211BOOL WINAPI CryptSIPAddProvider(SIP_ADD_NEWPROVIDER *psNewProv)
212{
213 LONG r = ERROR_SUCCESS;
214
215 TRACE("%p\n", psNewProv);
216
217 if (!psNewProv ||
218 psNewProv->cbStruct != sizeof(SIP_ADD_NEWPROVIDER) ||
219 !psNewProv->pwszGetFuncName ||
220 !psNewProv->pwszPutFuncName ||
221 !psNewProv->pwszCreateFuncName ||
222 !psNewProv->pwszVerifyFuncName ||
223 !psNewProv->pwszRemoveFuncName)
224 {
225 SetLastError(ERROR_INVALID_PARAMETER);
226 return FALSE;
227 }
228
229 TRACE("%s %s %s %s %s\n",
230 debugstr_guid( psNewProv->pgSubject ),
231 debugstr_w( psNewProv->pwszDLLFileName ),
232 debugstr_w( psNewProv->pwszMagicNumber ),
233 debugstr_w( psNewProv->pwszIsFunctionName ),
234 debugstr_w( psNewProv->pwszIsFunctionNameFmt2 ) );
235
236#define CRYPT_SIPADDPROV( key, field ) \
237 r = CRYPT_SIPWriteFunction( psNewProv->pgSubject, key, \
238 psNewProv->pwszDLLFileName, psNewProv->field); \
239 if (r != ERROR_SUCCESS) goto end_function
240
241 CRYPT_SIPADDPROV( szPutSigned, pwszPutFuncName );
242 CRYPT_SIPADDPROV( szGetSigned, pwszGetFuncName );
243 CRYPT_SIPADDPROV( szRemoveSigned, pwszRemoveFuncName );
244 CRYPT_SIPADDPROV( szCreate, pwszCreateFuncName );
245 CRYPT_SIPADDPROV( szVerify, pwszVerifyFuncName );
246 CRYPT_SIPADDPROV( szIsMyFile, pwszIsFunctionName );
247 CRYPT_SIPADDPROV( szIsMyFile2, pwszIsFunctionNameFmt2 );
248
249#undef CRYPT_SIPADDPROV
250
251end_function:
252
253 if (r != ERROR_SUCCESS)
254 {
255 SetLastError(r);
256 return FALSE;
257 }
258
259 return TRUE;
260}
261
262static void *CRYPT_LoadSIPFuncFromKey(HKEY key, HMODULE *pLib)
263{
264 LONG r;
265 DWORD size;
266 WCHAR dllName[MAX_PATH];
267 char functionName[MAX_PATH];
268 HMODULE lib;
269 void *func = NULL;
270
271 /* Read the DLL entry */
272 size = sizeof(dllName);
273 r = RegQueryValueExW(key, szDllName, NULL, NULL, (LPBYTE)dllName, &size);
274 if (r) goto end;
275
276 /* Read the Function entry */
277 size = sizeof(functionName);
278 r = RegQueryValueExA(key, "FuncName", NULL, NULL, (LPBYTE)functionName,
279 &size);
280 if (r) goto end;
281
282 lib = LoadLibraryW(dllName);
283 if (!lib)
284 goto end;
285 func = (void*)GetProcAddress(lib, functionName);
286 if (func)
287 *pLib = lib;
288 else
289 FreeLibrary(lib);
290
291end:
292 return func;
293}
294
295/***********************************************************************
296 * CryptSIPRetrieveSubjectGuid (CRYPT32.@)
297 *
298 * Determine the right SIP GUID for the given file.
299 *
300 * PARAMS
301 * FileName [I] Filename.
302 * hFileIn [I] Optional handle to the file.
303 * pgSubject [O] The SIP's GUID.
304 *
305 * RETURNS
306 * Success: TRUE. pgSubject contains the SIP GUID.
307 * Failure: FALSE. (Look at GetLastError()).
308 *
309 * NOTES
310 * On failure pgSubject will contain a NULL GUID.
311 * The handle is always preferred above the filename.
312 */
313BOOL WINAPI CryptSIPRetrieveSubjectGuid
314 (LPCWSTR FileName, HANDLE hFileIn, GUID *pgSubject)
315{
316 HANDLE hFile;
317 BOOL bRet = FALSE;
318 DWORD count;
319 LARGE_INTEGER zero, oldPos;
320 /* FIXME, find out if there is a name for this GUID */
321 static const GUID unknown = { 0xC689AAB8, 0x8E78, 0x11D0, { 0x8C,0x47,0x00,0xC0,0x4F,0xC2,0x95,0xEE }};
322 static const GUID cabGUID = { 0xc689aaba, 0x8e78, 0x11d0, {0x8c,0x47,0x00,0xc0,0x4f,0xc2,0x95,0xee }};
323 static const GUID catGUID = { 0xDE351A43, 0x8E59, 0x11D0, { 0x8C,0x47,0x00,0xC0,0x4F,0xC2,0x95,0xEE }};
324 static const WORD dosHdr = IMAGE_DOS_SIGNATURE;
325 static const BYTE cabHdr[] = { 'M','S','C','F' };
326 BYTE hdr[SIP_MAX_MAGIC_NUMBER];
327 WCHAR szFullKey[ 0x100 ];
328 LONG r = ERROR_SUCCESS;
329 HKEY key;
330
331 TRACE("(%s %p %p)\n", FileName, hFileIn, pgSubject);
332
333 if (!pgSubject || (!FileName && !hFileIn))
334 {
335 SetLastError(ERROR_INVALID_PARAMETER);
336 return FALSE;
337 }
338
339 /* Set pgSubject to zero's */
340 memset(pgSubject, 0 , sizeof(GUID));
341
342 if (hFileIn)
343 /* Use the given handle, make sure not to close this one ourselves */
344 hFile = hFileIn;
345 else
346 {
347 hFile = CreateFileW(FileName, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
348 /* Last error is set by CreateFile */
349 if (hFile == INVALID_HANDLE_VALUE) return FALSE;
350 }
351
352 zero.QuadPart = 0;
353 SetFilePointerEx(hFile, zero, &oldPos, FILE_CURRENT);
354 SetFilePointer(hFile, 0, NULL, FILE_BEGIN);
355 if (!ReadFile(hFile, hdr, sizeof(hdr), &count, NULL))
356 goto cleanup;
357
358 if (count < SIP_MAX_MAGIC_NUMBER)
359 {
360 SetLastError(ERROR_INVALID_PARAMETER);
361 goto cleanup;
362 }
363
364 TRACE("file magic = 0x%02x%02x%02x%02x\n", hdr[0], hdr[1], hdr[2], hdr[3]);
365 /* As everything is in place now we start looking at the file header */
366 if (!memcmp(hdr, &dosHdr, sizeof(dosHdr)))
367 {
368 *pgSubject = unknown;
369 SetLastError(S_OK);
370 bRet = TRUE;
371 goto cleanup;
372 }
373 /* Quick-n-dirty check for a cab file. */
374 if (!memcmp(hdr, cabHdr, sizeof(cabHdr)))
375 {
376 *pgSubject = cabGUID;
377 SetLastError(S_OK);
378 bRet = TRUE;
379 goto cleanup;
380 }
381 /* If it's asn.1-encoded, it's probably a .cat file. */
382 if (hdr[0] == 0x30)
383 {
384 DWORD fileLen = GetFileSize(hFile, NULL);
385
386 TRACE("fileLen = %d\n", fileLen);
387 /* Sanity-check length */
388 if (hdr[1] < 0x80 && fileLen == 2 + hdr[1])
389 {
390 *pgSubject = catGUID;
391 SetLastError(S_OK);
392 bRet = TRUE;
393 goto cleanup;
394 }
395 else if (hdr[1] == 0x80)
396 {
397 /* Indefinite length, can't verify with just the header, assume it
398 * is.
399 */
400 *pgSubject = catGUID;
401 SetLastError(S_OK);
402 bRet = TRUE;
403 goto cleanup;
404 }
405 else
406 {
407 BYTE lenBytes = hdr[1] & 0x7f;
408
409 if (lenBytes == 1 && fileLen == 2 + lenBytes + hdr[2])
410 {
411 *pgSubject = catGUID;
412 SetLastError(S_OK);
413 bRet = TRUE;
414 goto cleanup;
415 }
416 else if (lenBytes == 2 && fileLen == 2 + lenBytes +
417 (hdr[2] << 8 | hdr[3]))
418 {
419 *pgSubject = catGUID;
420 SetLastError(S_OK);
421 bRet = TRUE;
422 goto cleanup;
423 }
424 else if (fileLen > 0xffff)
425 {
426 /* The file size must be greater than 2 bytes in length, so
427 * assume it is a .cat file
428 */
429 *pgSubject = catGUID;
430 SetLastError(S_OK);
431 bRet = TRUE;
432 goto cleanup;
433 }
434 }
435 }
436
437 /* Check for supported functions using CryptSIPDllIsMyFileType */
438 /* max length of szFullKey depends on our code only, so we won't overrun */
439 lstrcpyW(szFullKey, szOID);
440 lstrcatW(szFullKey, szIsMyFile);
441 r = RegOpenKeyExW(HKEY_LOCAL_MACHINE, szFullKey, 0, KEY_READ, &key);
442 if (r == ERROR_SUCCESS)
443 {
444 DWORD index = 0, size;
445 WCHAR subKeyName[MAX_PATH];
446
447 do {
448 size = sizeof(subKeyName) / sizeof(subKeyName[0]);
449 r = RegEnumKeyExW(key, index++, subKeyName, &size, NULL, NULL,
450 NULL, NULL);
451 if (r == ERROR_SUCCESS)
452 {
453 HKEY subKey;
454
455 r = RegOpenKeyExW(key, subKeyName, 0, KEY_READ, &subKey);
456 if (r == ERROR_SUCCESS)
457 {
458 HMODULE lib;
459 pfnIsFileSupported isMy =
460 (pfnIsFileSupported)CRYPT_LoadSIPFuncFromKey(subKey, &lib);
461
462 if (isMy)
463 {
464 bRet = isMy(hFile, pgSubject);
465 FreeLibrary(lib);
466 }
467 RegCloseKey(subKey);
468 }
469 }
470 } while (!bRet && r == ERROR_SUCCESS);
471 RegCloseKey(key);
472 }
473
474 /* Check for supported functions using CryptSIPDllIsMyFileType2 */
475 if (!bRet)
476 {
477 lstrcpyW(szFullKey, szOID);
478 lstrcatW(szFullKey, szIsMyFile2);
479 r = RegOpenKeyExW(HKEY_LOCAL_MACHINE, szFullKey, 0, KEY_READ, &key);
480 if (r == ERROR_SUCCESS)
481 {
482 DWORD index = 0, size;
483 WCHAR subKeyName[MAX_PATH];
484
485 do {
486 size = sizeof(subKeyName) / sizeof(subKeyName[0]);
487 r = RegEnumKeyExW(key, index++, subKeyName, &size, NULL, NULL,
488 NULL, NULL);
489 if (r == ERROR_SUCCESS)
490 {
491 HKEY subKey;
492
493 r = RegOpenKeyExW(key, subKeyName, 0, KEY_READ, &subKey);
494 if (r == ERROR_SUCCESS)
495 {
496 HMODULE lib;
497 pfnIsFileSupportedName isMy2 = (pfnIsFileSupportedName)
498 CRYPT_LoadSIPFuncFromKey(subKey, &lib);
499
500 if (isMy2)
501 {
502 bRet = isMy2((LPWSTR)FileName, pgSubject);
503 FreeLibrary(lib);
504 }
505 RegCloseKey(subKey);
506 }
507 }
508 } while (!bRet && r == ERROR_SUCCESS);
509 RegCloseKey(key);
510 }
511 }
512
513 if (!bRet)
514 SetLastError(TRUST_E_SUBJECT_FORM_UNKNOWN);
515
516cleanup:
517 /* If we didn't open this one we shouldn't close it (hFile is a copy),
518 * but we should reset the file pointer to its original position.
519 */
520 if (!hFileIn)
521 CloseHandle(hFile);
522 else
523 SetFilePointerEx(hFile, oldPos, NULL, FILE_BEGIN);
524
525 return bRet;
526}
527
528static LONG CRYPT_OpenSIPFunctionKey(const GUID *guid, LPCWSTR function,
529 HKEY *key)
530{
531 WCHAR szFullKey[ 0x100 ];
532
533 lstrcpyW(szFullKey, szOID);
534 lstrcatW(szFullKey, function);
535 CRYPT_guid2wstr(guid, &szFullKey[lstrlenW(szFullKey)]);
536 return RegOpenKeyExW(HKEY_LOCAL_MACHINE, szFullKey, 0, KEY_READ, key);
537}
538
539/* Loads the function named function for the SIP specified by pgSubject, and
540 * returns it if found. Returns NULL on error. If the function is loaded,
541 * *pLib is set to the library in which it is found.
542 */
543static void *CRYPT_LoadSIPFunc(const GUID *pgSubject, LPCWSTR function,
544 HMODULE *pLib)
545{
546 LONG r;
547 HKEY key;
548 void *func = NULL;
549
550 TRACE("(%s, %s)\n", debugstr_guid(pgSubject), debugstr_w(function));
551
552 r = CRYPT_OpenSIPFunctionKey(pgSubject, function, &key);
553 if (!r)
554 {
555 func = CRYPT_LoadSIPFuncFromKey(key, pLib);
556 RegCloseKey(key);
557 }
558 TRACE("returning %p\n", func);
559 return func;
560}
561
562typedef struct _WINE_SIP_PROVIDER {
563 GUID subject;
564 SIP_DISPATCH_INFO info;
565 struct list entry;
566} WINE_SIP_PROVIDER;
567
568static struct list providers = { &providers, &providers };
569static RTL_CRITICAL_SECTION providers_cs;
570static RTL_CRITICAL_SECTION_DEBUG providers_cs_debug =
571{
572 0, 0, &providers_cs,
573 { &providers_cs_debug.ProcessLocksList,
574 &providers_cs_debug.ProcessLocksList },
575 0, 0, { (DWORD)(DWORD_PTR)(__FILE__ ": providers_cs") }
576};
577static RTL_CRITICAL_SECTION providers_cs = { &providers_cs_debug, -1, 0, 0, 0, 0 };
578
579static void CRYPT_CacheSIP(const GUID *pgSubject, SIP_DISPATCH_INFO *info)
580{
581 WINE_SIP_PROVIDER *prov = CryptMemAlloc(sizeof(WINE_SIP_PROVIDER));
582
583 if (prov)
584 {
585 prov->subject = *pgSubject;
586 prov->info = *info;
587 EnterCriticalSection((CRITICAL_SECTION*)&providers_cs);
588 list_add_tail(&providers, &prov->entry);
589 LeaveCriticalSection((CRITICAL_SECTION*)&providers_cs);
590 }
591}
592
593static WINE_SIP_PROVIDER *CRYPT_GetCachedSIP(const GUID *pgSubject)
594{
595 WINE_SIP_PROVIDER *provider = NULL, *ret = NULL;
596
597 EnterCriticalSection((CRITICAL_SECTION*)&providers_cs);
598 LIST_FOR_EACH_ENTRY(provider, &providers, WINE_SIP_PROVIDER, entry)
599 {
600 if (IsEqualGUID(pgSubject, &provider->subject))
601 break;
602 }
603 if (provider && IsEqualGUID(pgSubject, &provider->subject))
604 ret = provider;
605 LeaveCriticalSection((CRITICAL_SECTION*)&providers_cs);
606 return ret;
607}
608
609static inline BOOL CRYPT_IsSIPCached(const GUID *pgSubject)
610{
611 return CRYPT_GetCachedSIP(pgSubject) != NULL;
612}
613
614void crypt_sip_free(void)
615{
616 WINE_SIP_PROVIDER *prov, *next;
617
618 LIST_FOR_EACH_ENTRY_SAFE(prov, next, &providers, WINE_SIP_PROVIDER, entry)
619 {
620 list_remove(&prov->entry);
621 FreeLibrary(prov->info.hSIP);
622 CryptMemFree(prov);
623 }
624}
625
626/* Loads the SIP for pgSubject into the global cache. Returns FALSE if the
627 * SIP isn't registered or is invalid.
628 */
629static BOOL CRYPT_LoadSIP(const GUID *pgSubject)
630{
631 SIP_DISPATCH_INFO sip = { 0 };
632 HMODULE lib = NULL, temp = NULL;
633
634 sip.pfGet = (pCryptSIPGetSignedDataMsg)CRYPT_LoadSIPFunc(pgSubject, szGetSigned, &lib);
635 if (!sip.pfGet)
636 goto error;
637 sip.pfPut = (pCryptSIPPutSignedDataMsg)CRYPT_LoadSIPFunc(pgSubject, szPutSigned, &temp);
638 if (!sip.pfPut || temp != lib)
639 goto error;
640 FreeLibrary(temp);
641 sip.pfCreate = (pCryptSIPCreateIndirectData)CRYPT_LoadSIPFunc(pgSubject, szCreate, &temp);
642 if (!sip.pfCreate || temp != lib)
643 goto error;
644 FreeLibrary(temp);
645 sip.pfVerify = (pCryptSIPVerifyIndirectData)CRYPT_LoadSIPFunc(pgSubject, szVerify, &temp);
646 if (!sip.pfVerify || temp != lib)
647 goto error;
648 FreeLibrary(temp);
649 sip.pfRemove = (pCryptSIPRemoveSignedDataMsg)CRYPT_LoadSIPFunc(pgSubject, szRemoveSigned, &temp);
650 if (!sip.pfRemove || temp != lib)
651 goto error;
652 FreeLibrary(temp);
653 sip.hSIP = lib;
654 CRYPT_CacheSIP(pgSubject, &sip);
655 return TRUE;
656
657error:
658 FreeLibrary(lib);
659 FreeLibrary(temp);
660 SetLastError(TRUST_E_SUBJECT_FORM_UNKNOWN);
661 return FALSE;
662}
663
664/***********************************************************************
665 * CryptSIPLoad (CRYPT32.@)
666 *
667 * Load some internal crypt32 functions into a SIP_DISPATCH_INFO structure.
668 *
669 * PARAMS
670 * pgSubject [I] The GUID.
671 * dwFlags [I] Flags.
672 * pSipDispatch [I] The loaded functions.
673 *
674 * RETURNS
675 * Success: TRUE. pSipDispatch contains the functions.
676 * Failure: FALSE. (Look at GetLastError()).
677 *
678 * NOTES
679 * CryptSIPLoad uses caching for the list of GUIDs and whether a SIP is
680 * already loaded.
681 *
682 * An application calls CryptSipLoad which will return a structure with the
683 * function addresses of some internal crypt32 functions. The application will
684 * then call these functions which will be forwarded to the appropriate SIP.
685 *
686 * CryptSIPLoad will load the needed SIP but doesn't unload this dll. The unloading
687 * is done when crypt32 is unloaded.
688 */
689BOOL WINAPI CryptSIPLoad
690 (const GUID *pgSubject, DWORD dwFlags, SIP_DISPATCH_INFO *pSipDispatch)
691{
692 TRACE("(%s %d %p)\n", debugstr_guid(pgSubject), dwFlags, pSipDispatch);
693
694 if (!pgSubject || dwFlags != 0 || !pSipDispatch)
695 {
696 SetLastError(ERROR_INVALID_PARAMETER);
697 return FALSE;
698 }
699 if (!CRYPT_IsSIPCached(pgSubject) && !CRYPT_LoadSIP(pgSubject))
700 return FALSE;
701
702 pSipDispatch->hSIP = NULL;
703 pSipDispatch->pfGet = CryptSIPGetSignedDataMsg;
704 pSipDispatch->pfPut = CryptSIPPutSignedDataMsg;
705 pSipDispatch->pfCreate = CryptSIPCreateIndirectData;
706 pSipDispatch->pfVerify = CryptSIPVerifyIndirectData;
707 pSipDispatch->pfRemove = CryptSIPRemoveSignedDataMsg;
708
709 return TRUE;
710}
711
712/***********************************************************************
713 * CryptSIPCreateIndirectData (CRYPT32.@)
714 */
715BOOL WINAPI CryptSIPCreateIndirectData(SIP_SUBJECTINFO* pSubjectInfo, DWORD* pcbIndirectData,
716 SIP_INDIRECT_DATA* pIndirectData)
717{
718 WINE_SIP_PROVIDER *sip;
719 BOOL ret = FALSE;
720
721 TRACE("(%p %p %p)\n", pSubjectInfo, pcbIndirectData, pIndirectData);
722
723 if ((sip = CRYPT_GetCachedSIP(pSubjectInfo->pgSubjectType)) != NULL)
724 ret = sip->info.pfCreate(pSubjectInfo, pcbIndirectData, pIndirectData);
725 TRACE("returning %d\n", ret);
726 return ret;
727}
728
729/***********************************************************************
730 * CryptSIPGetSignedDataMsg (CRYPT32.@)
731 */
732BOOL WINAPI CryptSIPGetSignedDataMsg(SIP_SUBJECTINFO* pSubjectInfo, DWORD* pdwEncodingType,
733 DWORD dwIndex, DWORD* pcbSignedDataMsg, BYTE* pbSignedDataMsg)
734{
735 WINE_SIP_PROVIDER *sip;
736 BOOL ret = FALSE;
737
738 TRACE("(%p %p %d %p %p)\n", pSubjectInfo, pdwEncodingType, dwIndex,
739 pcbSignedDataMsg, pbSignedDataMsg);
740
741 if ((sip = CRYPT_GetCachedSIP(pSubjectInfo->pgSubjectType)) != NULL)
742 ret = sip->info.pfGet(pSubjectInfo, pdwEncodingType, dwIndex,
743 pcbSignedDataMsg, pbSignedDataMsg);
744 TRACE("returning %d\n", ret);
745 return ret;
746}
747
748/***********************************************************************
749 * CryptSIPPutSignedDataMsg (CRYPT32.@)
750 */
751BOOL WINAPI CryptSIPPutSignedDataMsg(SIP_SUBJECTINFO* pSubjectInfo, DWORD pdwEncodingType,
752 DWORD* pdwIndex, DWORD cbSignedDataMsg, BYTE* pbSignedDataMsg)
753{
754 WINE_SIP_PROVIDER *sip;
755 BOOL ret = FALSE;
756
757 TRACE("(%p %d %p %d %p)\n", pSubjectInfo, pdwEncodingType, pdwIndex,
758 cbSignedDataMsg, pbSignedDataMsg);
759
760 if ((sip = CRYPT_GetCachedSIP(pSubjectInfo->pgSubjectType)) != NULL)
761 ret = sip->info.pfPut(pSubjectInfo, pdwEncodingType, pdwIndex,
762 cbSignedDataMsg, pbSignedDataMsg);
763 TRACE("returning %d\n", ret);
764 return ret;
765}
766
767/***********************************************************************
768 * CryptSIPRemoveSignedDataMsg (CRYPT32.@)
769 */
770BOOL WINAPI CryptSIPRemoveSignedDataMsg(SIP_SUBJECTINFO* pSubjectInfo,
771 DWORD dwIndex)
772{
773 WINE_SIP_PROVIDER *sip;
774 BOOL ret = FALSE;
775
776 TRACE("(%p %d)\n", pSubjectInfo, dwIndex);
777
778 if ((sip = CRYPT_GetCachedSIP(pSubjectInfo->pgSubjectType)) != NULL)
779 ret = sip->info.pfRemove(pSubjectInfo, dwIndex);
780 TRACE("returning %d\n", ret);
781 return ret;
782}
783
784/***********************************************************************
785 * CryptSIPVerifyIndirectData (CRYPT32.@)
786 */
787BOOL WINAPI CryptSIPVerifyIndirectData(SIP_SUBJECTINFO* pSubjectInfo,
788 SIP_INDIRECT_DATA* pIndirectData)
789{
790 WINE_SIP_PROVIDER *sip;
791 BOOL ret = FALSE;
792
793 TRACE("(%p %p)\n", pSubjectInfo, pIndirectData);
794
795 if ((sip = CRYPT_GetCachedSIP(pSubjectInfo->pgSubjectType)) != NULL)
796 ret = sip->info.pfVerify(pSubjectInfo, pIndirectData);
797 TRACE("returning %d\n", ret);
798 return ret;
799}
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