dlls/crypt32/tests/sip.c

   1 /*
   2  * Subject Interface Package tests
   3  *
   4  * Copyright 2006 Paul Vriens
   5  * Copyright 2008 Juan Lang
   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 <stdio.h>
  23 #include <stdarg.h>
  24 #include <windef.h>
  25 #include <winbase.h>
  26 #include <winerror.h>
  27 #include <winnls.h>
  28 #include <wincrypt.h>
  29 #include <mssip.h>
  30
  31 #include "wine/test.h"
  32
  33 static BOOL (WINAPI * funcCryptSIPGetSignedDataMsg)(SIP_SUBJECTINFO *,DWORD *,DWORD,DWORD *,BYTE *);
  34 static BOOL (WINAPI * funcCryptSIPPutSignedDataMsg)(SIP_SUBJECTINFO *,DWORD,DWORD *,DWORD,BYTE *);
  35 static BOOL (WINAPI * funcCryptSIPCreateIndirectData)(SIP_SUBJECTINFO *,DWORD *,SIP_INDIRECT_DATA *);
  36 static BOOL (WINAPI * funcCryptSIPVerifyIndirectData)(SIP_SUBJECTINFO *,SIP_INDIRECT_DATA *);
  37 static BOOL (WINAPI * funcCryptSIPRemoveSignedDataMsg)(SIP_SUBJECTINFO *,DWORD);
  38
  39 static char *show_guid(const GUID *guid, char *buf)
  40 {
  41     sprintf(buf,
  42         "{%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}",
  43         guid->Data1, guid->Data2, guid->Data3,
  44         guid->Data4[0], guid->Data4[1], guid->Data4[2], guid->Data4[3],
  45         guid->Data4[4], guid->Data4[5], guid->Data4[6], guid->Data4[7] );
  46
  47     return buf;
  48 }
  49
  50 static void test_AddRemoveProvider(void)
  51 {
  52     BOOL ret;
  53     SIP_ADD_NEWPROVIDER newprov;
  54     GUID actionid = { 0xdeadbe, 0xefde, 0xadbe, { 0xef,0xde,0xad,0xbe,0xef,0xde,0xad,0xbe }};
  55     static WCHAR dummydll[]      = {'d','e','a','d','b','e','e','f','.','d','l','l',0 };
  56     static WCHAR dummyfunction[] = {'d','u','m','m','y','f','u','n','c','t','i','o','n',0 };
  57
  58     /* NULL check */
  59     SetLastError(0xdeadbeef);
  60     ret = CryptSIPRemoveProvider(NULL);
  61     ok (!ret, "Expected CryptSIPRemoveProvider to fail.\n");
  62     ok (GetLastError() == ERROR_INVALID_PARAMETER,
  63         "Expected ERROR_INVALID_PARAMETER, got %d.\n", GetLastError());
  64
  65     /* nonexistent provider should result in a registry error */
  66     SetLastError(0xdeadbeef);
  67     ret = CryptSIPRemoveProvider(&actionid);
  68     if (!ret && GetLastError() == ERROR_ACCESS_DENIED)
  69     {
  70         /* Apparently the needed rights are checked before the existence of the provider */
  71         skip("Need admin rights\n");
  72     }
  73     else
  74     {
  75         ok (!ret, "Expected CryptSIPRemoveProvider to fail.\n");
  76         ok (GetLastError() == ERROR_FILE_NOT_FOUND,
  77             "Expected ERROR_FILE_NOT_FOUND, got %d.\n", GetLastError());
  78     }
  79
  80     /* Everything OK, pwszIsFunctionName and pwszIsFunctionNameFmt2 are left NULL
  81      * as allowed */
  82
  83     memset(&newprov, 0, sizeof(SIP_ADD_NEWPROVIDER));
  84     newprov.cbStruct = sizeof(SIP_ADD_NEWPROVIDER);
  85     newprov.pgSubject = &actionid;
  86     newprov.pwszDLLFileName = dummydll;
  87     newprov.pwszGetFuncName = dummyfunction;
  88     newprov.pwszPutFuncName = dummyfunction;
  89     newprov.pwszCreateFuncName = dummyfunction;
  90     newprov.pwszVerifyFuncName = dummyfunction;
  91     newprov.pwszRemoveFuncName = dummyfunction;
  92     SetLastError(0xdeadbeef);
  93     ret = CryptSIPAddProvider(&newprov);
  94     if (!ret && GetLastError() == ERROR_ACCESS_DENIED)
  95     {
  96         skip("Need admin rights\n");
  97         return;
  98     }
  99     ok ( ret, "CryptSIPAddProvider should have succeeded\n");
 100
 101     /* Dummy provider will be deleted, but the function still fails because
 102      * pwszIsFunctionName and pwszIsFunctionNameFmt2 are not present in the
 103      * registry.
 104      */
 105     SetLastError(0xdeadbeef);
 106     ret = CryptSIPRemoveProvider(&actionid);
 107     ok (!ret, "Expected CryptSIPRemoveProvider to fail.\n");
 108     ok (GetLastError() == ERROR_FILE_NOT_FOUND,
 109         "Expected ERROR_FILE_NOT_FOUND, got %d.\n", GetLastError());
 110
 111     /* Everything OK */
 112     memset(&newprov, 0, sizeof(SIP_ADD_NEWPROVIDER));
 113     newprov.cbStruct = sizeof(SIP_ADD_NEWPROVIDER);
 114     newprov.pgSubject = &actionid;
 115     newprov.pwszDLLFileName = dummydll;
 116     newprov.pwszGetFuncName = dummyfunction;
 117     newprov.pwszPutFuncName = dummyfunction;
 118     newprov.pwszCreateFuncName = dummyfunction;
 119     newprov.pwszVerifyFuncName = dummyfunction;
 120     newprov.pwszRemoveFuncName = dummyfunction;
 121     newprov.pwszIsFunctionNameFmt2 = dummyfunction;
 122     newprov.pwszIsFunctionName = dummyfunction;
 123     SetLastError(0xdeadbeef);
 124     ret = CryptSIPAddProvider(&newprov);
 125     ok ( ret, "CryptSIPAddProvider should have succeeded\n");
 126
 127     /* Dummy provider should be deleted */
 128     SetLastError(0xdeadbeef);
 129     ret = CryptSIPRemoveProvider(&actionid);
 130     ok ( ret, "CryptSIPRemoveProvider should have succeeded\n");
 131 }
 132
 133 static const BYTE cabFileData[] = {
 134 0x4d,0x53,0x43,0x46,0x00,0x00,0x00,0x00,0x50,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 135 0x2c,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x01,0x01,0x00,0x01,0x00,0x00,0x00,
 136 0xef,0xbe,0xff,0xff,0x42,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x06,0x00,0x00,0x00,
 137 0x00,0x00,0x00,0x00,0x00,0x00,0xf7,0x38,0x4b,0xac,0x00,0x00,0x61,0x2e,0x74,0x78,
 138 0x74,0x00,0x6d,0x5a,0x72,0x78,0x06,0x00,0x06,0x00,0x61,0x2e,0x74,0x78,0x74,0x0a,
 139 };
 140
 141 static void test_SIPRetrieveSubjectGUID(void)
 142 {
 143     BOOL ret;
 144     GUID subject;
 145     HANDLE file;
 146     static const CHAR windir[] = "windir";
 147     static const CHAR regeditExe[] = "regedit.exe";
 148     static const GUID nullSubject  = { 0x0, 0x0, 0x0, { 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0 }};
 149     static const WCHAR deadbeef[]  = { 'c',':','\\','d','e','a','d','b','e','e','f','.','d','b','f',0 };
 150     /* Couldn't find a name for this GUID, it's the one used for 95% of the files */
 151     static const GUID unknownGUID = { 0xC689AAB8, 0x8E78, 0x11D0, { 0x8C,0x47,0x00,0xC0,0x4F,0xC2,0x95,0xEE }};
 152     static const GUID cabGUID = { 0xc689aaba, 0x8e78, 0x11d0, {0x8c,0x47,0x00,0xc0,0x4f,0xc2,0x95,0xee }};
 153     static CHAR  regeditPath[MAX_PATH];
 154     static WCHAR regeditPathW[MAX_PATH];
 155     static CHAR path[MAX_PATH];
 156     static CHAR tempfile[MAX_PATH];
 157     static WCHAR tempfileW[MAX_PATH];
 158     static char guid1[39], guid2[39];
 159     DWORD written;
 160
 161     /* NULL check */
 162     SetLastError(0xdeadbeef);
 163     ret = CryptSIPRetrieveSubjectGuid(NULL, NULL, NULL);
 164     ok ( !ret, "Expected CryptSIPRetrieveSubjectGuid to fail\n");
 165     ok (GetLastError() == ERROR_INVALID_PARAMETER,
 166         "Expected ERROR_INVALID_PARAMETER, got %d.\n", GetLastError());
 167
 168     /* Test with a nonexistent file (hopefully) */
 169     SetLastError(0xdeadbeef);
 170     /* Set subject to something other than zeros */
 171     memset(&subject, 1, sizeof(GUID));
 172     ret = CryptSIPRetrieveSubjectGuid(deadbeef, NULL, &subject);
 173     ok ( !ret, "Expected CryptSIPRetrieveSubjectGuid to fail\n");
 174     ok (GetLastError() == ERROR_FILE_NOT_FOUND,
 175         "Expected ERROR_FILE_NOT_FOUND, got %d.\n", GetLastError());
 176     ok ( !memcmp(&subject, &nullSubject, sizeof(GUID)),
 177         "Expected a NULL GUID for c:\\deadbeef.dbf, not %s\n", show_guid(&subject, guid1));
 178
 179     /* Now with an executable that should exist
 180      *
 181      * Use A-functions where possible as that should be available on all platforms
 182      */
 183     ret = GetEnvironmentVariableA(windir, regeditPath, MAX_PATH);
 184     ok (ret > 0, "expected GEVA(windir) to succeed, last error %d\n", GetLastError());
 185     strcat(regeditPath, "\\");
 186     strcat(regeditPath, regeditExe);
 187     MultiByteToWideChar( CP_ACP, 0, regeditPath,
 188                          strlen(regeditPath)+1, regeditPathW,
 189                          sizeof(regeditPathW)/sizeof(regeditPathW[0]) );
 190
 191     SetLastError(0xdeadbeef);
 192     memset(&subject, 1, sizeof(GUID));
 193     ret = CryptSIPRetrieveSubjectGuid(regeditPathW, NULL, &subject);
 194     ok ( ret, "Expected CryptSIPRetrieveSubjectGuid to succeed\n");
 195     ok ( !memcmp(&subject, &unknownGUID, sizeof(GUID)),
 196         "Expected (%s), got (%s).\n", show_guid(&unknownGUID, guid1), show_guid(&subject, guid2));
 197
 198     /* The same thing but now with a handle instead of a filename */
 199     file = CreateFileA(regeditPath, GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, NULL);
 200     SetLastError(0xdeadbeef);
 201     memset(&subject, 1, sizeof(GUID));
 202     ret = CryptSIPRetrieveSubjectGuid(NULL, file, &subject);
 203     ok ( ret, "Expected CryptSIPRetrieveSubjectGuid to succeed\n");
 204     ok ( !memcmp(&subject, &unknownGUID, sizeof(GUID)),
 205         "Expected (%s), got (%s).\n", show_guid(&unknownGUID, guid1), show_guid(&subject, guid2));
 206     CloseHandle(file);
 207
 208     /* And both */
 209     file = CreateFileA(regeditPath, GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, NULL);
 210     SetLastError(0xdeadbeef);
 211     memset(&subject, 1, sizeof(GUID));
 212     ret = CryptSIPRetrieveSubjectGuid(regeditPathW, file, &subject);
 213     ok ( ret, "Expected CryptSIPRetrieveSubjectGuid to succeed\n");
 214     ok ( !memcmp(&subject, &unknownGUID, sizeof(GUID)),
 215         "Expected (%s), got (%s).\n", show_guid(&unknownGUID, guid1), show_guid(&subject, guid2));
 216     CloseHandle(file);
 217
 218     /* Now with an empty file */
 219     GetTempPathA(sizeof(path), path);
 220     GetTempFileNameA(path, "sip", 0 , tempfile);
 221     MultiByteToWideChar( CP_ACP, 0, tempfile,
 222                          strlen(tempfile)+1, tempfileW,
 223                          sizeof(tempfileW)/sizeof(tempfileW[0]) );
 224
 225     SetLastError(0xdeadbeef);
 226     memset(&subject, 1, sizeof(GUID));
 227     ret = CryptSIPRetrieveSubjectGuid(tempfileW, NULL, &subject);
 228     ok ( !ret, "Expected CryptSIPRetrieveSubjectGuid to fail\n");
 229     ok ( GetLastError() == ERROR_FILE_INVALID ||
 230          GetLastError() == ERROR_INVALID_PARAMETER /* Vista */ ||
 231          GetLastError() == ERROR_SUCCESS /* Win98 */,
 232         "Expected ERROR_FILE_INVALID, ERROR_INVALID_PARAMETER or ERROR_SUCCESS, got 0x%08x\n", GetLastError());
 233     ok ( !memcmp(&subject, &nullSubject, sizeof(GUID)),
 234         "Expected a NULL GUID for empty file %s, not %s\n", tempfile, show_guid(&subject, guid1));
 235
 236     /* Use a file with a size of 3 (at least < 4) */
 237     file = CreateFileA(tempfile, GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
 238     WriteFile(file, "123", 3, &written, NULL);
 239     CloseHandle(file);
 240
 241     SetLastError(0xdeadbeef);
 242     memset(&subject, 1, sizeof(GUID));
 243     ret = CryptSIPRetrieveSubjectGuid(tempfileW, NULL, &subject);
 244     ok ( !ret, "Expected CryptSIPRetrieveSubjectGuid to fail\n");
 245     ok ( GetLastError() == ERROR_INVALID_PARAMETER ||
 246          GetLastError() == ERROR_SUCCESS /* Win98 */,
 247         "Expected ERROR_INVALID_PARAMETER or ERROR_SUCCESS, got 0x%08x\n", GetLastError());
 248     ok ( !memcmp(&subject, &nullSubject, sizeof(GUID)),
 249         "Expected a NULL GUID for empty file %s, not %s\n", tempfile, show_guid(&subject, guid1));
 250
 251     /* And now >= 4 */
 252     file = CreateFileA(tempfile, GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
 253     WriteFile(file, "1234", 4, &written, NULL);
 254     CloseHandle(file);
 255
 256     SetLastError(0xdeadbeef);
 257     memset(&subject, 1, sizeof(GUID));
 258     ret = CryptSIPRetrieveSubjectGuid(tempfileW, NULL, &subject);
 259     ok ( !ret, "Expected CryptSIPRetrieveSubjectGuid to fail\n");
 260     ok ( GetLastError() == TRUST_E_SUBJECT_FORM_UNKNOWN ||
 261          GetLastError() == ERROR_SUCCESS /* Win98 */,
 262         "Expected TRUST_E_SUBJECT_FORM_UNKNOWN or ERROR_SUCCESS, got 0x%08x\n", GetLastError());
 263     ok ( !memcmp(&subject, &nullSubject, sizeof(GUID)),
 264         "Expected a NULL GUID for empty file %s, not %s\n", tempfile, show_guid(&subject, guid1));
 265
 266     /* Clean up */
 267     DeleteFileA(tempfile);
 268
 269     /* Create a file with just the .cab header 'MSCF' */
 270     SetLastError(0xdeadbeef);
 271     file = CreateFileA(tempfile, GENERIC_WRITE, 0, NULL, CREATE_NEW, 0, NULL);
 272     ok(file != INVALID_HANDLE_VALUE, "failed with %u\n", GetLastError());
 273     WriteFile(file, cabFileData, 4, &written, NULL);
 274     CloseHandle(file);
 275
 276     SetLastError(0xdeadbeef);
 277     memset(&subject, 1, sizeof(GUID));
 278     ret = CryptSIPRetrieveSubjectGuid(tempfileW, NULL, &subject);
 279     ok( ret, "CryptSIPRetrieveSubjectGuid failed: %d (0x%08x)\n",
 280             GetLastError(), GetLastError() );
 281     ok ( !memcmp(&subject, &cabGUID, sizeof(GUID)),
 282         "Expected GUID %s for cabinet file, not %s\n", show_guid(&cabGUID, guid1), show_guid(&subject, guid2));
 283
 284     /* Clean up */
 285     DeleteFileA(tempfile);
 286
 287     /* Create a .cab file */
 288     SetLastError(0xdeadbeef);
 289     file = CreateFileA(tempfile, GENERIC_WRITE, 0, NULL, CREATE_NEW, 0, NULL);
 290     ok(file != INVALID_HANDLE_VALUE, "failed with %u\n", GetLastError());
 291     WriteFile(file, cabFileData, sizeof(cabFileData), &written, NULL);
 292     CloseHandle(file);
 293
 294     SetLastError(0xdeadbeef);
 295     memset(&subject, 1, sizeof(GUID));
 296     ret = CryptSIPRetrieveSubjectGuid(tempfileW, NULL, &subject);
 297     ok( ret, "CryptSIPRetrieveSubjectGuid failed: %d (0x%08x)\n",
 298             GetLastError(), GetLastError() );
 299     ok ( !memcmp(&subject, &cabGUID, sizeof(GUID)),
 300         "Expected GUID %s for cabinet file, not %s\n", show_guid(&cabGUID, guid1), show_guid(&subject, guid2));
 301
 302     /* Clean up */
 303     DeleteFileA(tempfile);
 304 }
 305
 306 static void test_SIPLoad(void)
 307 {
 308     BOOL ret;
 309     GUID subject;
 310     static GUID dummySubject = { 0xdeadbeef, 0xdead, 0xbeef, { 0xde,0xad,0xbe,0xef,0xde,0xad,0xbe,0xef }};
 311     static GUID unknown      = { 0xC689AABA, 0x8E78, 0x11D0, { 0x8C,0x47,0x00,0xC0,0x4F,0xC2,0x95,0xEE }}; /* WINTRUST.DLL */
 312     static GUID unknown2     = { 0xDE351A43, 0x8E59, 0x11D0, { 0x8C,0x47,0x00,0xC0,0x4F,0xC2,0x95,0xEE }}; /* WINTRUST.DLL */
 313     /* The next SIP is available on Windows and on Wine */
 314     static GUID unknown3     = { 0x000C10F1, 0x0000, 0x0000, { 0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46 }}; /* MSISIP.DLL */
 315     SIP_DISPATCH_INFO sdi;
 316     HMODULE hCrypt;
 317
 318     /* All NULL */
 319     SetLastError(0xdeadbeef);
 320     ret = CryptSIPLoad(NULL, 0, NULL);
 321     ok ( !ret, "Expected CryptSIPLoad to fail\n");
 322     ok ( GetLastError() == ERROR_INVALID_PARAMETER,
 323         "Expected ERROR_INVALID_PARAMETER, got 0x%08x\n", GetLastError());
 324
 325     /* Only pSipDispatch NULL */
 326     SetLastError(0xdeadbeef);
 327     ret = CryptSIPLoad(&subject, 0, NULL);
 328     ok ( !ret, "Expected CryptSIPLoad to fail\n");
 329     ok ( GetLastError() == ERROR_INVALID_PARAMETER,
 330         "Expected ERROR_INVALID_PARAMETER, got 0x%08x\n", GetLastError());
 331
 332     /* No NULLs, but nonexistent pgSubject */
 333     SetLastError(0xdeadbeef);
 334     memset(&sdi, 0, sizeof(SIP_DISPATCH_INFO));
 335     sdi.cbSize = sizeof(SIP_DISPATCH_INFO);
 336     sdi.pfGet = (pCryptSIPGetSignedDataMsg)0xdeadbeef;
 337     ret = CryptSIPLoad(&dummySubject, 0, &sdi);
 338     ok ( !ret, "Expected CryptSIPLoad to fail\n");
 339     ok ( GetLastError() == TRUST_E_SUBJECT_FORM_UNKNOWN,
 340         "Expected TRUST_E_SUBJECT_FORM_UNKNOWN, got 0x%08x\n", GetLastError());
 341     ok( sdi.pfGet == (pCryptSIPGetSignedDataMsg)0xdeadbeef, "Expected no change to the function pointer\n");
 342
 343     hCrypt = GetModuleHandleA("crypt32.dll");
 344     funcCryptSIPGetSignedDataMsg = (void*)GetProcAddress(hCrypt, "CryptSIPGetSignedDataMsg");
 345     funcCryptSIPPutSignedDataMsg = (void*)GetProcAddress(hCrypt, "CryptSIPPutSignedDataMsg");
 346     funcCryptSIPCreateIndirectData = (void*)GetProcAddress(hCrypt, "CryptSIPCreateIndirectData");
 347     funcCryptSIPVerifyIndirectData = (void*)GetProcAddress(hCrypt, "CryptSIPVerifyIndirectData");
 348     funcCryptSIPRemoveSignedDataMsg = (void*)GetProcAddress(hCrypt, "CryptSIPRemoveSignedDataMsg");
 349
 350     /* All OK */
 351     SetLastError(0xdeadbeef);
 352     memset(&sdi, 0, sizeof(SIP_DISPATCH_INFO));
 353     sdi.cbSize = sizeof(SIP_DISPATCH_INFO);
 354     sdi.pfGet = (pCryptSIPGetSignedDataMsg)0xdeadbeef;
 355     ret = CryptSIPLoad(&unknown, 0, &sdi);
 356     ok ( ret, "Expected CryptSIPLoad to succeed\n");
 357     /* On native the last error will always be ERROR_PROC_NOT_FOUND as native searches for the function DllCanUnloadNow
 358      * in WINTRUST.DLL (in this case). This function is not available in WINTRUST.DLL.
 359      * For now there's no need to implement this is Wine as I doubt any program will rely on
 360      * this last error when the call succeeded.
 361      */
 362     ok( sdi.pfGet != (pCryptSIPGetSignedDataMsg)0xdeadbeef, "Expected a function pointer to be loaded.\n");
 363
 364     /* The function addresses returned by CryptSIPLoad are actually the addresses of
 365      * crypt32's own functions. A function calling these addresses will end up first
 366      * calling crypt32 functions which in its turn call the equivalent in the SIP
 367      * as dictated by the given GUID.
 368      */
 369     if (funcCryptSIPGetSignedDataMsg && funcCryptSIPPutSignedDataMsg && funcCryptSIPCreateIndirectData &&
 370         funcCryptSIPVerifyIndirectData && funcCryptSIPRemoveSignedDataMsg)
 371         ok (sdi.pfGet == funcCryptSIPGetSignedDataMsg &&
 372             sdi.pfPut == funcCryptSIPPutSignedDataMsg &&
 373             sdi.pfCreate == funcCryptSIPCreateIndirectData &&
 374             sdi.pfVerify == funcCryptSIPVerifyIndirectData &&
 375             sdi.pfRemove == funcCryptSIPRemoveSignedDataMsg,
 376             "Expected function addresses to be from crypt32\n");
 377     else
 378         trace("Couldn't load function pointers\n");
 379
 380     /* All OK, but different GUID (same SIP though) */
 381     SetLastError(0xdeadbeef);
 382     memset(&sdi, 0, sizeof(SIP_DISPATCH_INFO));
 383     sdi.cbSize = sizeof(SIP_DISPATCH_INFO);
 384     sdi.pfGet = (pCryptSIPGetSignedDataMsg)0xdeadbeef;
 385     ret = CryptSIPLoad(&unknown2, 0, &sdi);
 386     ok ( ret, "Expected CryptSIPLoad to succeed\n");
 387     /* This call on its own would have resulted in an ERROR_PROC_NOT_FOUND, but the previous
 388      * call to CryptSIPLoad already loaded wintrust.dll. As this information is cached,
 389      * CryptSIPLoad will not try to search for the already mentioned DllCanUnloadNow.
 390      */
 391     ok( sdi.pfGet != (pCryptSIPGetSignedDataMsg)0xdeadbeef, "Expected a function pointer to be loaded.\n");
 392
 393     /* All OK, but other SIP */
 394     SetLastError(0xdeadbeef);
 395     memset(&sdi, 0, sizeof(SIP_DISPATCH_INFO));
 396     sdi.cbSize = sizeof(SIP_DISPATCH_INFO);
 397     sdi.pfGet = (pCryptSIPGetSignedDataMsg)0xdeadbeef;
 398     ret = CryptSIPLoad(&unknown3, 0, &sdi);
 399     if (ret)
 400     {
 401         /* The SIP is known so we can safely assume that the next tests can be done */
 402
 403         /* As msisip.dll is not checked yet by any of the previous calls, the
 404          * function DllCanUnloadNow will be checked again in msisip.dll (it's not present)
 405          */
 406         ok( sdi.pfGet != (pCryptSIPGetSignedDataMsg)0xdeadbeef, "Expected a function pointer to be loaded.\n");
 407
 408         /* This is another SIP but this test proves the function addresses are the same as
 409          * in the previous test.
 410          */
 411         if (funcCryptSIPGetSignedDataMsg && funcCryptSIPPutSignedDataMsg && funcCryptSIPCreateIndirectData &&
 412             funcCryptSIPVerifyIndirectData && funcCryptSIPRemoveSignedDataMsg)
 413             ok (sdi.pfGet == funcCryptSIPGetSignedDataMsg &&
 414                 sdi.pfPut == funcCryptSIPPutSignedDataMsg &&
 415                 sdi.pfCreate == funcCryptSIPCreateIndirectData &&
 416                 sdi.pfVerify == funcCryptSIPVerifyIndirectData &&
 417                 sdi.pfRemove == funcCryptSIPRemoveSignedDataMsg,
 418                 "Expected function addresses to be from crypt32\n");
 419         else
 420             trace("Couldn't load function pointers\n");
 421     }
 422
 423     /* Reserved parameter not 0 */
 424     SetLastError(0xdeadbeef);
 425     memset(&sdi, 0, sizeof(SIP_DISPATCH_INFO));
 426     sdi.cbSize = sizeof(SIP_DISPATCH_INFO);
 427     sdi.pfGet = (pCryptSIPGetSignedDataMsg)0xdeadbeef;
 428     ret = CryptSIPLoad(&unknown, 1, &sdi);
 429     ok ( !ret, "Expected CryptSIPLoad to fail\n");
 430     ok ( GetLastError() == ERROR_INVALID_PARAMETER,
 431         "Expected ERROR_INVALID_PARAMETER, got 0x%08x\n", GetLastError());
 432     ok( sdi.pfGet == (pCryptSIPGetSignedDataMsg)0xdeadbeef, "Expected no change to the function pointer\n");
 433 }
 434
 435 START_TEST(sip)
 436 {
 437     test_AddRemoveProvider();
 438     /* It seems that the caching for loaded dlls is shared between CryptSIPRetrieveSubjectGUID
 439      * and CryptSIPLoad. The tests have to be in this order to succeed. This is because in the last
 440      * test for CryptSIPRetrieveSubjectGUID, several SIPs will be loaded (on Windows).
 441      */
 442     test_SIPLoad();
 443     test_SIPRetrieveSubjectGUID();
 444 }