Commit 5d4d5b16 authored by Juan Lang's avatar Juan Lang Committed by Alexandre Julliard

crypt32: More fully implement CryptSIPRetrieveSubjectGuid.

parent 7d78d394
......@@ -318,6 +318,9 @@ BOOL WINAPI CryptSIPRetrieveSubjectGuid
static const WORD dosHdr = IMAGE_DOS_SIGNATURE;
static const BYTE cabHdr[] = { 'M','S','C','F' };
BYTE hdr[SIP_MAX_MAGIC_NUMBER];
WCHAR szFullKey[ 0x100 ];
LONG r = ERROR_SUCCESS;
HKEY key;
TRACE("(%s %p %p)\n", wine_dbgstr_w(FileName), hFileIn, pgSubject);
......@@ -369,16 +372,84 @@ BOOL WINAPI CryptSIPRetrieveSubjectGuid
goto cleanup;
}
/* FIXME
* There is a lot more to be checked:
* - Check for the keys CryptSIPDllIsMyFileType and CryptSIPDllIsMyFileType2
* under HKLM\Software\Microsoft\Cryptography\OID\EncodingType 0. Here are
* functions listed that need check if a SIP Provider can deal with the
* given file.
*/
/* Check for supported functions using CryptSIPDllIsMyFileType */
/* max length of szFullKey depends on our code only, so we won't overrun */
lstrcpyW(szFullKey, szOID);
lstrcatW(szFullKey, szIsMyFile);
r = RegOpenKeyExW(HKEY_LOCAL_MACHINE, szFullKey, 0, KEY_READ, &key);
if (r == ERROR_SUCCESS)
{
DWORD index = 0, size;
WCHAR subKeyName[MAX_PATH];
do {
size = sizeof(subKeyName) / sizeof(subKeyName[0]);
r = RegEnumKeyExW(key, index++, subKeyName, &size, NULL, NULL,
NULL, NULL);
if (r == ERROR_SUCCESS)
{
HKEY subKey;
r = RegOpenKeyExW(key, subKeyName, 0, KEY_READ, &subKey);
if (r == ERROR_SUCCESS)
{
HMODULE lib;
pfnIsFileSupported isMy = CRYPT_LoadSIPFuncFromKey(subKey,
&lib);
if (isMy)
{
bRet = isMy(hFile, pgSubject);
FreeLibrary(lib);
}
RegCloseKey(subKey);
}
}
} while (!bRet && r == ERROR_SUCCESS);
RegCloseKey(key);
}
/* Let's set the most common error for now */
SetLastError(TRUST_E_SUBJECT_FORM_UNKNOWN);
/* Check for supported functions using CryptSIPDllIsMyFileType2 */
if (!bRet)
{
lstrcpyW(szFullKey, szOID);
lstrcatW(szFullKey, szIsMyFile2);
r = RegOpenKeyExW(HKEY_LOCAL_MACHINE, szFullKey, 0, KEY_READ, &key);
if (r == ERROR_SUCCESS)
{
DWORD index = 0, size;
WCHAR subKeyName[MAX_PATH];
do {
size = sizeof(subKeyName) / sizeof(subKeyName[0]);
r = RegEnumKeyExW(key, index++, subKeyName, &size, NULL, NULL,
NULL, NULL);
if (r == ERROR_SUCCESS)
{
HKEY subKey;
r = RegOpenKeyExW(key, subKeyName, 0, KEY_READ, &subKey);
if (r == ERROR_SUCCESS)
{
HMODULE lib;
pfnIsFileSupportedName isMy2 =
CRYPT_LoadSIPFuncFromKey(subKey, &lib);
if (isMy2)
{
bRet = isMy2((LPWSTR)FileName, pgSubject);
FreeLibrary(lib);
}
RegCloseKey(subKey);
}
}
} while (!bRet && r == ERROR_SUCCESS);
RegCloseKey(key);
}
}
if (!bRet)
SetLastError(TRUST_E_SUBJECT_FORM_UNKNOWN);
cleanup:
/* If we didn't open this one we shouldn't close it (hFile is a copy),
......
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