dlls/crypt32/tests/sip.c

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