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crypt32: Implement CryptSIPLoad.

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This commit is contained in:
Juan Lang 2007-07-09 17:07:54 -07:00 committed by Alexandre Julliard
parent da23ed6e0f
commit 19c3a09ba8
4 changed files with 194 additions and 32 deletions
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1
dlls/crypt32/crypt32_private.h
View file

@ -50,6 +50,7 @@ HCRYPTPROV CRYPT_GetDefaultProvider(void);
void crypt_oid_init(HINSTANCE hinst);
void crypt_oid_free(void);
void crypt_sip_free(void);
/* Some typedefs that make it easier to abstract which type of context we're
* working with.

1
dlls/crypt32/main.c
View file

@ -43,6 +43,7 @@ BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD fdwReason, PVOID pvReserved)
break;
case DLL_PROCESS_DETACH:
crypt_oid_free();
crypt_sip_free();
if (hDefProv) CryptReleaseContext(hDefProv, 0);
break;
}

173
dlls/crypt32/sip.c
View file

@ -30,6 +30,7 @@
#include "winuser.h"
#include "wine/debug.h"
#include "wine/list.h"
WINE_DEFAULT_DEBUG_CHANNEL(crypt);
@ -354,6 +355,165 @@ cleanup3:
return bRet;
}
static LONG CRYPT_OpenSIPFunctionKey(const GUID *guid, LPCWSTR function,
HKEY *key)
{
WCHAR szFullKey[ 0x100 ];
lstrcpyW(szFullKey, szOID);
lstrcatW(szFullKey, function);
CRYPT_guid2wstr(guid, &szFullKey[lstrlenW(szFullKey)]);
return RegOpenKeyExW(HKEY_LOCAL_MACHINE, szFullKey, 0, KEY_READ, key);
}
/* Loads the function named function for the SIP specified by pgSubject, and
* returns it if found. Returns NULL on error. If the function is loaded,
* *pLib is set to the library in which it is found.
*/
static void *CRYPT_LoadSIPFunc(const GUID *pgSubject, LPCWSTR function,
HMODULE *pLib)
{
LONG r;
HKEY key = NULL;
DWORD size;
WCHAR dllName[MAX_PATH];
char functionName[MAX_PATH];
HMODULE lib;
void *func = NULL;
TRACE("(%s, %s)\n", debugstr_guid(pgSubject), debugstr_w(function));
r = CRYPT_OpenSIPFunctionKey(pgSubject, function, &key);
if (r) goto error;
/* Read the DLL entry */
size = sizeof(dllName);
r = RegQueryValueExW(key, szDllName, NULL, NULL, (LPBYTE)dllName, &size);
if (r) goto error;
/* Read the Function entry */
size = sizeof(functionName);
r = RegQueryValueExA(key, "FuncName", NULL, NULL, (LPBYTE)functionName,
&size);
if (r) goto error;
lib = LoadLibraryW(dllName);
if (!lib)
goto error;
func = GetProcAddress(lib, functionName);
if (func)
*pLib = lib;
else
FreeLibrary(lib);
error:
RegCloseKey(key);
TRACE("returning %p\n", func);
return func;
}
typedef struct _WINE_SIP_PROVIDER {
GUID subject;
SIP_DISPATCH_INFO info;
struct list entry;
} WINE_SIP_PROVIDER;
static struct list providers = { &providers, &providers };
static CRITICAL_SECTION providers_cs;
static CRITICAL_SECTION_DEBUG providers_cs_debug =
{
0, 0, &providers_cs,
{ &providers_cs_debug.ProcessLocksList,
&providers_cs_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": providers_cs") }
};
static CRITICAL_SECTION providers_cs = { &providers_cs_debug, -1, 0, 0, 0, 0 };
static void CRYPT_CacheSIP(const GUID *pgSubject, SIP_DISPATCH_INFO *info)
{
WINE_SIP_PROVIDER *prov = CryptMemAlloc(sizeof(WINE_SIP_PROVIDER));
if (prov)
{
memcpy(&prov->subject, pgSubject, sizeof(prov->subject));
memcpy(&prov->info, info, sizeof(prov->info));
EnterCriticalSection(&providers_cs);
list_add_tail(&providers, &prov->entry);
LeaveCriticalSection(&providers_cs);
}
}
static WINE_SIP_PROVIDER *CRYPT_GetCachedSIP(const GUID *pgSubject)
{
WINE_SIP_PROVIDER *provider = NULL, *ret = NULL;
EnterCriticalSection(&providers_cs);
LIST_FOR_EACH_ENTRY(provider, &providers, WINE_SIP_PROVIDER, entry)
{
if (IsEqualGUID(pgSubject, &provider->subject))
break;
}
if (provider && IsEqualGUID(pgSubject, &provider->subject))
ret = provider;
LeaveCriticalSection(&providers_cs);
return ret;
}
static inline BOOL CRYPT_IsSIPCached(const GUID *pgSubject)
{
return CRYPT_GetCachedSIP(pgSubject) != NULL;
}
void crypt_sip_free(void)
{
WINE_SIP_PROVIDER *prov, *next;
LIST_FOR_EACH_ENTRY_SAFE(prov, next, &providers, WINE_SIP_PROVIDER, entry)
{
list_remove(&prov->entry);
FreeLibrary(prov->info.hSIP);
CryptMemFree(prov);
}
}
/* Loads the SIP for pgSubject into the global cache. Returns FALSE if the
* SIP isn't registered or is invalid.
*/
static BOOL CRYPT_LoadSIP(const GUID *pgSubject)
{
SIP_DISPATCH_INFO sip = { 0 };
HMODULE lib, temp = NULL;
sip.pfGet = CRYPT_LoadSIPFunc(pgSubject, szGetSigned, &lib);
if (!sip.pfGet)
goto error;
sip.pfPut = CRYPT_LoadSIPFunc(pgSubject, szPutSigned, &temp);
if (!sip.pfPut || temp != lib)
goto error;
FreeLibrary(temp);
sip.pfCreate = CRYPT_LoadSIPFunc(pgSubject, szCreate, &temp);
if (!sip.pfCreate || temp != lib)
goto error;
FreeLibrary(temp);
sip.pfVerify = CRYPT_LoadSIPFunc(pgSubject, szVerify, &temp);
if (!sip.pfVerify || temp != lib)
goto error;
FreeLibrary(temp);
sip.pfRemove = CRYPT_LoadSIPFunc(pgSubject, szRemoveSigned, &temp);
if (!sip.pfRemove || temp != lib)
goto error;
FreeLibrary(temp);
sip.hSIP = lib;
CRYPT_CacheSIP(pgSubject, &sip);
return TRUE;
error:
FreeLibrary(lib);
FreeLibrary(temp);
SetLastError(TRUST_E_SUBJECT_FORM_UNKNOWN);
return FALSE;
}
/***********************************************************************
* CryptSIPLoad (CRYPT32.@)
*
@ -382,15 +542,24 @@ cleanup3:
BOOL WINAPI CryptSIPLoad
(const GUID *pgSubject, DWORD dwFlags, SIP_DISPATCH_INFO *pSipDispatch)
{
FIXME("(%s %d %p) stub!\n", debugstr_guid(pgSubject), dwFlags, pSipDispatch);
TRACE("(%s %d %p)\n", debugstr_guid(pgSubject), dwFlags, pSipDispatch);
if (!pgSubject || dwFlags != 0 || !pSipDispatch)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (!CRYPT_IsSIPCached(pgSubject) && !CRYPT_LoadSIP(pgSubject))
return FALSE;
return FALSE;
pSipDispatch->hSIP = NULL;
pSipDispatch->pfGet = CryptSIPGetSignedDataMsg;
pSipDispatch->pfPut = CryptSIPPutSignedDataMsg;
pSipDispatch->pfCreate = CryptSIPCreateIndirectData;
pSipDispatch->pfVerify = CryptSIPVerifyIndirectData;
pSipDispatch->pfRemove = CryptSIPRemoveSignedDataMsg;
return TRUE;
}
/***********************************************************************

51
dlls/crypt32/tests/sip.c
View file

@ -283,9 +283,8 @@ static void test_SIPLoad(void)
sdi.pfGet = (pCryptSIPGetSignedDataMsg)0xdeadbeef;
ret = CryptSIPLoad(&dummySubject, 0, &sdi);
ok ( !ret, "Expected CryptSIPLoad to fail\n");
todo_wine
ok ( GetLastError() == TRUST_E_SUBJECT_FORM_UNKNOWN,
"Expected TRUST_E_SUBJECT_FORM_UNKNOWN, got 0x%08x\n", GetLastError());
ok ( GetLastError() == TRUST_E_SUBJECT_FORM_UNKNOWN,
"Expected TRUST_E_SUBJECT_FORM_UNKNOWN, got 0x%08x\n", GetLastError());
ok( sdi.pfGet == (pCryptSIPGetSignedDataMsg)0xdeadbeef, "Expected no change to the function pointer\n");
hCrypt = LoadLibraryA("crypt32.dll");
@ -306,16 +305,13 @@ static void test_SIPLoad(void)
sdi.cbSize = sizeof(SIP_DISPATCH_INFO);
sdi.pfGet = (pCryptSIPGetSignedDataMsg)0xdeadbeef;
ret = CryptSIPLoad(&unknown, 0, &sdi);
todo_wine
{
ok ( ret, "Expected CryptSIPLoad to succeed\n");
/* On native the last error will always be ERROR_PROC_NOT_FOUND as native searches for the function DllCanUnloadNow
* in WINTRUST.DLL (in this case). This function is not available in WINTRUST.DLL.
* For now there's no need to implement this is Wine as I doubt any program will rely on
* this last error when the call succeeded.
*/
ok( sdi.pfGet != (pCryptSIPGetSignedDataMsg)0xdeadbeef, "Expected a function pointer to be loaded.\n");
}
ok ( ret, "Expected CryptSIPLoad to succeed\n");
/* On native the last error will always be ERROR_PROC_NOT_FOUND as native searches for the function DllCanUnloadNow
* in WINTRUST.DLL (in this case). This function is not available in WINTRUST.DLL.
* For now there's no need to implement this is Wine as I doubt any program will rely on
* this last error when the call succeeded.
*/
ok( sdi.pfGet != (pCryptSIPGetSignedDataMsg)0xdeadbeef, "Expected a function pointer to be loaded.\n");
/* The function addresses returned by CryptSIPLoad are actually the addresses of
* crypt32's own functions. A function calling these addresses will end up first
@ -324,13 +320,12 @@ static void test_SIPLoad(void)
*/
if (funcCryptSIPGetSignedDataMsg && funcCryptSIPPutSignedDataMsg && funcCryptSIPCreateIndirectData &&
funcCryptSIPVerifyIndirectData && funcCryptSIPRemoveSignedDataMsg)
todo_wine
ok (sdi.pfGet == funcCryptSIPGetSignedDataMsg &&
sdi.pfPut == funcCryptSIPPutSignedDataMsg &&
sdi.pfCreate == funcCryptSIPCreateIndirectData &&
sdi.pfVerify == funcCryptSIPVerifyIndirectData &&
sdi.pfRemove == funcCryptSIPRemoveSignedDataMsg,
"Expected function addresses to be from crypt32\n");
ok (sdi.pfGet == funcCryptSIPGetSignedDataMsg &&
sdi.pfPut == funcCryptSIPPutSignedDataMsg &&
sdi.pfCreate == funcCryptSIPCreateIndirectData &&
sdi.pfVerify == funcCryptSIPVerifyIndirectData &&
sdi.pfRemove == funcCryptSIPRemoveSignedDataMsg,
"Expected function addresses to be from crypt32\n");
else
trace("Couldn't load function pointers\n");
@ -340,16 +335,12 @@ static void test_SIPLoad(void)
sdi.cbSize = sizeof(SIP_DISPATCH_INFO);
sdi.pfGet = (pCryptSIPGetSignedDataMsg)0xdeadbeef;
ret = CryptSIPLoad(&unknown2, 0, &sdi);
todo_wine
{
ok ( ret, "Expected CryptSIPLoad to succeed\n");
/* This call on its own would have resulted in an ERROR_PROC_NOT_FOUND, but the previous
* call to CryptSIPLoad already loaded wintrust.dll. As this information is cached,
* CryptSIPLoad will not try to search for the already mentioned DllCanUnloadNow.
*/
}
todo_wine
ok( sdi.pfGet != (pCryptSIPGetSignedDataMsg)0xdeadbeef, "Expected a function pointer to be loaded.\n");
ok ( ret, "Expected CryptSIPLoad to succeed\n");
/* This call on its own would have resulted in an ERROR_PROC_NOT_FOUND, but the previous
* call to CryptSIPLoad already loaded wintrust.dll. As this information is cached,
* CryptSIPLoad will not try to search for the already mentioned DllCanUnloadNow.
*/
ok( sdi.pfGet != (pCryptSIPGetSignedDataMsg)0xdeadbeef, "Expected a function pointer to be loaded.\n");
/* All OK, but other SIP */
SetLastError(0xdeadbeef);