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/*
* Copyright 2002 Mike McCormack for CodeWeavers
* Copyright 2005 Juan Lang
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "wincrypt.h"
#include "winreg.h"
#include "wine/debug.h"
#include "wine/list.h"
#include "crypt32_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(crypt);
static const WCHAR DllW[] = { 'D','l','l',0 };
CRITICAL_SECTION funcSetCS;
struct list funcSets;
struct OIDFunctionSet
{
LPSTR name;
CRITICAL_SECTION cs; /* protects functions */
struct list functions;
struct list next;
};
struct OIDFunction
{
DWORD encoding;
CRYPT_OID_FUNC_ENTRY entry;
struct list next;
};
void CRYPT_InitFunctionSets(void)
{
InitializeCriticalSection(&funcSetCS);
list_init(&funcSets);
}
void CRYPT_FreeFunctionSets(void)
{
struct OIDFunctionSet *setCursor, *setNext;
LIST_FOR_EACH_ENTRY_SAFE(setCursor, setNext, &funcSets,
struct OIDFunctionSet, next)
{
struct OIDFunction *functionCursor, *funcNext;
list_remove(&setCursor->next);
CryptMemFree(setCursor->name);
CryptMemFree(setCursor);
LIST_FOR_EACH_ENTRY_SAFE(functionCursor, funcNext,
&setCursor->functions, struct OIDFunction, next)
{
list_remove(&functionCursor->next);
CryptMemFree(functionCursor);
}
DeleteCriticalSection(&setCursor->cs);
}
DeleteCriticalSection(&funcSetCS);
}
BOOL WINAPI CryptEnumOIDInfo(DWORD dwGroupId, DWORD dwFlags, void *pvArg,
PFN_CRYPT_ENUM_OID_INFO pfnEnumOIDInfo)
{
FIXME("(%ld, %08lx, %p, %p): stub\n", dwGroupId, dwFlags, pvArg,
pfnEnumOIDInfo);
return TRUE;
}
PCCRYPT_OID_INFO WINAPI CryptFindOIDInfo(DWORD dwKeyType, void *pvKey,
DWORD dwGroupId)
{
FIXME("(%ld, %p, %ld): stub\n", dwKeyType, pvKey, dwGroupId);
return NULL;
}
/* There is no free function associated with this; therefore, the sets are
* freed when crypt32.dll is unloaded.
*/
HCRYPTOIDFUNCSET WINAPI CryptInitOIDFunctionSet(LPCSTR pszFuncName,
DWORD dwFlags)
{
struct OIDFunctionSet *cursor, *ret = NULL;
TRACE("(%s, %lx)\n", debugstr_a(pszFuncName), dwFlags);
EnterCriticalSection(&funcSetCS);
LIST_FOR_EACH_ENTRY(cursor, &funcSets, struct OIDFunctionSet, next)
{
if (!strcasecmp(pszFuncName, cursor->name))
{
ret = (HCRYPTOIDFUNCSET)cursor;
break;
}
}
if (!ret)
{
ret = CryptMemAlloc(sizeof(struct OIDFunctionSet));
if (ret)
{
memset(ret, 0, sizeof(*ret));
ret->name = CryptMemAlloc(strlen(pszFuncName) + 1);
if (ret->name)
{
InitializeCriticalSection(&ret->cs);
list_init(&ret->functions);
strcpy(ret->name, pszFuncName);
list_add_tail(&funcSets, &ret->next);
}
else
{
CryptMemFree(ret);
ret = NULL;
}
}
}
LeaveCriticalSection(&funcSetCS);
return (HCRYPTOIDFUNCSET)ret;
}
static char *CRYPT_GetKeyName(DWORD dwEncodingType, LPCSTR pszFuncName,
LPCSTR pszOID)
{
static const char szEncodingTypeFmt[] =
"Software\\Microsoft\\Cryptography\\OID\\EncodingType %ld\\%s\\%s";
UINT len;
char numericOID[7]; /* enough for "#65535" */
const char *oid;
LPSTR szKey;
/* MSDN says the encoding type is a mask, but it isn't treated that way.
* (E.g., if dwEncodingType were 3, the key names "EncodingType 1" and
* "EncodingType 2" would be expected if it were a mask. Instead native
* stores values in "EncodingType 3".
*/
if (!HIWORD(pszOID))
{
snprintf(numericOID, sizeof(numericOID), "#%d", LOWORD(pszOID));
oid = numericOID;
}
else
oid = pszOID;
/* This is enough: the lengths of the two string parameters are explicitly
* counted, and we need up to five additional characters for the encoding
* type. These are covered by the "%d", "%s", and "%s" characters in the
* format specifier that are removed by sprintf.
*/
len = sizeof(szEncodingTypeFmt) + lstrlenA(pszFuncName) + lstrlenA(oid);
szKey = CryptMemAlloc(len);
if (szKey)
sprintf(szKey, szEncodingTypeFmt, dwEncodingType, pszFuncName, oid);
return szKey;
}
BOOL WINAPI CryptGetDefaultOIDDllList(HCRYPTOIDFUNCSET hFuncSet,
DWORD dwEncodingType, LPWSTR pwszDllList, DWORD *pcchDllList)
{
BOOL ret = TRUE;
struct OIDFunctionSet *set = (struct OIDFunctionSet *)hFuncSet;
char *keyName;
HKEY key;
long rc;
TRACE("(%p, %ld, %p, %p)\n", hFuncSet, dwEncodingType, pwszDllList,
pcchDllList);
keyName = CRYPT_GetKeyName(dwEncodingType, set->name, "DEFAULT");
rc = RegCreateKeyExA(HKEY_LOCAL_MACHINE, keyName, 0, NULL, 0,
KEY_READ, NULL, &key, NULL);
if (!rc)
{
DWORD size = *pcchDllList * sizeof(WCHAR);
rc = RegQueryValueExW(key, DllW, NULL, NULL, (LPBYTE)pwszDllList,
&size);
if (!rc)
*pcchDllList = size / sizeof(WCHAR);
else
{
/* No value, return an empty list */
if (*pcchDllList)
*pwszDllList = '\0';
*pcchDllList = 1;
}
RegCloseKey(key);
}
else
{
SetLastError(rc);
ret = FALSE;
}
CryptMemFree(keyName);
return ret;
}
BOOL WINAPI CryptInstallOIDFunctionAddress(HMODULE hModule,
DWORD dwEncodingType, LPCSTR pszFuncName, DWORD cFuncEntry,
const CRYPT_OID_FUNC_ENTRY rgFuncEntry[], DWORD dwFlags)
{
BOOL ret = TRUE;
struct OIDFunctionSet *set;
TRACE("(%p, %ld, %s, %ld, %p, %08lx)\n", hModule, dwEncodingType,
debugstr_a(pszFuncName), cFuncEntry, rgFuncEntry, dwFlags);
set = (struct OIDFunctionSet *)CryptInitOIDFunctionSet(pszFuncName, 0);
if (set)
{
DWORD i;
EnterCriticalSection(&set->cs);
for (i = 0; ret && i < cFuncEntry; i++)
{
struct OIDFunction *func;
if (HIWORD(rgFuncEntry[i].pszOID))
func = CryptMemAlloc(sizeof(struct OIDFunction)
+ strlen(rgFuncEntry[i].pszOID) + 1);
else
func = CryptMemAlloc(sizeof(struct OIDFunction));
if (func)
{
func->encoding = dwEncodingType;
if (HIWORD(rgFuncEntry[i].pszOID))
{
func->entry.pszOID = (LPSTR)((LPBYTE)func + sizeof(*func));
strcpy((LPSTR)func->entry.pszOID, rgFuncEntry[i].pszOID);
}
else
func->entry.pszOID = rgFuncEntry[i].pszOID;
func->entry.pvFuncAddr = rgFuncEntry[i].pvFuncAddr;
list_add_tail(&set->functions, &func->next);
}
else
ret = FALSE;
}
LeaveCriticalSection(&set->cs);
}
else
ret = FALSE;
return ret;
}
static BOOL CRYPT_GetFuncFromReg(DWORD dwEncodingType, LPCSTR pszOID,
LPCSTR szFuncName, LPVOID *ppvFuncAddr, HCRYPTOIDFUNCADDR *phFuncAddr)
{
BOOL ret = FALSE;
char *keyName;
const char *funcName;
HKEY key;
long rc;
keyName = CRYPT_GetKeyName(dwEncodingType, szFuncName, pszOID);
rc = RegOpenKeyExA(HKEY_LOCAL_MACHINE, keyName, 0, KEY_READ, &key);
if (!rc)
{
DWORD type, size = 0;
rc = RegQueryValueExA(key, "FuncName", NULL, &type, NULL, &size);
if (rc == ERROR_MORE_DATA && type == REG_SZ)
{
funcName = CryptMemAlloc(size);
rc = RegQueryValueExA(key, "FuncName", NULL, &type,
(LPBYTE)funcName, &size);
}
else
funcName = szFuncName;
rc = RegQueryValueExW(key, DllW, NULL, &type, NULL, &size);
if (rc == ERROR_MORE_DATA && type == REG_SZ)
{
LPWSTR dllName = CryptMemAlloc(size);
if (dllName)
{
rc = RegQueryValueExW(key, DllW, NULL, NULL,
(LPBYTE)dllName, &size);
if (!rc)
{
HMODULE lib;
/* This is a bit of a hack; MSDN describes a more
* complicated unload routine than this will allow.
* Still, this seems to suffice for now.
*/
lib = LoadLibraryW(dllName);
if (lib)
{
*ppvFuncAddr = GetProcAddress(lib, szFuncName);
if (*ppvFuncAddr)
{
*phFuncAddr = (HCRYPTOIDFUNCADDR)lib;
ret = TRUE;
}
else
{
/* Unload the library, the caller doesn't want
* to unload it when the return value is NULL.
*/
FreeLibrary(lib);
}
}
}
else
SetLastError(rc);
CryptMemFree(dllName);
}
}
else
SetLastError(rc);
if (funcName != szFuncName)
CryptMemFree((char *)funcName);
RegCloseKey(key);
}
else
SetLastError(rc);
CryptMemFree(keyName);
return ret;
}
BOOL WINAPI CryptGetOIDFunctionAddress(HCRYPTOIDFUNCSET hFuncSet,
DWORD dwEncodingType, LPCSTR pszOID, DWORD dwFlags, void **ppvFuncAddr,
HCRYPTOIDFUNCADDR *phFuncAddr)
{
BOOL ret = FALSE;
struct OIDFunctionSet *set = (struct OIDFunctionSet *)hFuncSet;
TRACE("(%p, %ld, %s, %08lx, %p, %p)\n", hFuncSet, dwEncodingType,
debugstr_a(pszOID), dwFlags, ppvFuncAddr, phFuncAddr);
*ppvFuncAddr = NULL;
if (!(dwFlags & CRYPT_GET_INSTALLED_OID_FUNC_FLAG))
{
struct OIDFunction *function;
EnterCriticalSection(&set->cs);
LIST_FOR_EACH_ENTRY(function, &set->functions, struct OIDFunction, next)
{
if (function->encoding == dwEncodingType)
{
if (HIWORD(pszOID))
{
if (HIWORD(function->entry.pszOID &&
!strcasecmp(function->entry.pszOID, pszOID)))
{
*ppvFuncAddr = function->entry.pvFuncAddr;
*phFuncAddr = NULL; /* FIXME: what should it be? */
ret = TRUE;
break;
}
}
else if (function->entry.pszOID == pszOID)
{
*ppvFuncAddr = function->entry.pvFuncAddr;
*phFuncAddr = NULL; /* FIXME: what should it be? */
ret = TRUE;
break;
}
}
}
LeaveCriticalSection(&set->cs);
}
if (!*ppvFuncAddr)
ret = CRYPT_GetFuncFromReg(dwEncodingType, pszOID, set->name,
ppvFuncAddr, phFuncAddr);
return ret;
}
BOOL WINAPI CryptFreeOIDFunctionAddress(HCRYPTOIDFUNCADDR hFuncAddr,
DWORD dwFlags)
{
TRACE("(%p, %08lx)\n", hFuncAddr, dwFlags);
/* FIXME: as MSDN states, need to check for DllCanUnloadNow in the DLL,
* and only unload it if it can be unloaded. Also need to implement ref
* counting on the functions.
*/
FreeLibrary((HMODULE)hFuncAddr);
return TRUE;
}
BOOL WINAPI CryptRegisterDefaultOIDFunction(DWORD dwEncodingType,
LPCSTR pszFuncName, DWORD dwIndex, LPCWSTR pwszDll)
{
FIXME("(%lx,%s,%lx,%s) stub!\n", dwEncodingType, pszFuncName, dwIndex,
debugstr_w(pwszDll));
return FALSE;
}
BOOL WINAPI CryptUnregisterDefaultOIDFunction(DWORD dwEncodingType,
LPCSTR pszFuncName, LPCWSTR pwszDll)
{
FIXME("(%lx %s %s): stub\n", dwEncodingType, debugstr_a(pszFuncName),
debugstr_w(pwszDll));
return FALSE;
}
BOOL WINAPI CryptGetDefaultOIDFunctionAddress(HCRYPTOIDFUNCSET hFuncSet,
DWORD dwEncodingType, LPCWSTR pwszDll, DWORD dwFlags, void *ppvFuncAddr,
HCRYPTOIDFUNCADDR *phFuncAddr)
{
FIXME("(%p, %ld, %s, %08lx, %p, %p): stub\n", hFuncSet, dwEncodingType,
debugstr_w(pwszDll), dwFlags, ppvFuncAddr, phFuncAddr);
return FALSE;
}
BOOL WINAPI CryptRegisterOIDFunction(DWORD dwEncodingType, LPCSTR pszFuncName,
LPCSTR pszOID, LPCWSTR pwszDll, LPCSTR pszOverrideFuncName)
{
LONG r;
HKEY hKey;
LPSTR szKey;
TRACE("(%lx, %s, %s, %s, %s)\n", dwEncodingType, pszFuncName, pszOID,
debugstr_w(pwszDll), pszOverrideFuncName);
/* This only registers functions for encoding certs, not messages */
if (!GET_CERT_ENCODING_TYPE(dwEncodingType))
return TRUE;
/* Native does nothing pwszDll is NULL */
if (!pwszDll)
return TRUE;
/* I'm not matching MS bug for bug here, because I doubt any app depends on
* it: native "succeeds" if pszFuncName is NULL, but the nonsensical entry
* it creates would never be used.
*/
if (!pszFuncName || !pszOID)
{
SetLastError(HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER));
return FALSE;
}
szKey = CRYPT_GetKeyName(dwEncodingType, pszFuncName, pszOID);
TRACE("Key name is %s\n", debugstr_a(szKey));
if (!szKey)
return FALSE;
r = RegCreateKeyA(HKEY_LOCAL_MACHINE, szKey, &hKey);
CryptMemFree(szKey);
if(r != ERROR_SUCCESS)
return FALSE;
/* write the values */
if (pszOverrideFuncName)
RegSetValueExA(hKey, "FuncName", 0, REG_SZ,
(const BYTE*)pszOverrideFuncName, lstrlenA(pszOverrideFuncName) + 1);
RegSetValueExW(hKey, DllW, 0, REG_SZ, (const BYTE*) pwszDll,
(lstrlenW(pwszDll) + 1) * sizeof (WCHAR));
RegCloseKey(hKey);
return TRUE;
}
BOOL WINAPI CryptUnregisterOIDFunction(DWORD dwEncodingType, LPCSTR pszFuncName,
LPCSTR pszOID)
{
LPSTR szKey;
LONG rc;
TRACE("%lx %s %s\n", dwEncodingType, pszFuncName, pszOID);
if (!GET_CERT_ENCODING_TYPE(dwEncodingType))
return TRUE;
if (!pszFuncName || !pszOID)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
szKey = CRYPT_GetKeyName(dwEncodingType, pszFuncName, pszOID);
rc = RegDeleteKeyA(HKEY_LOCAL_MACHINE, szKey);
CryptMemFree(szKey);
if (rc)
SetLastError(rc);
return rc ? FALSE : TRUE;
}
BOOL WINAPI CryptGetOIDFunctionValue(DWORD dwEncodingType, LPCSTR pszFuncName,
LPCSTR pszOID, LPCWSTR pwszValueName, DWORD *pdwValueType, BYTE *pbValueData,
DWORD *pcbValueData)
{
LPSTR szKey;
LONG rc;
HKEY hKey;
TRACE("%lx %s %s %s %p %p %p\n", dwEncodingType, debugstr_a(pszFuncName),
debugstr_a(pszOID), debugstr_w(pwszValueName), pdwValueType, pbValueData,
pcbValueData);
if (!GET_CERT_ENCODING_TYPE(dwEncodingType))
return TRUE;
if (!pszFuncName || !pszOID || !pwszValueName)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
szKey = CRYPT_GetKeyName(dwEncodingType, pszFuncName, pszOID);
rc = RegOpenKeyA(HKEY_LOCAL_MACHINE, szKey, &hKey);
CryptMemFree(szKey);
if (rc)
SetLastError(rc);
else
{
rc = RegQueryValueExW(hKey, pwszValueName, NULL, pdwValueType,
pbValueData, pcbValueData);
if (rc)
SetLastError(rc);
RegCloseKey(hKey);
}
return rc ? FALSE : TRUE;
}
BOOL WINAPI CryptSetOIDFunctionValue(DWORD dwEncodingType, LPCSTR pszFuncName,
LPCSTR pszOID, LPCWSTR pwszValueName, DWORD dwValueType,
const BYTE *pbValueData, DWORD cbValueData)
{
LPSTR szKey;
LONG rc;
HKEY hKey;
TRACE("%lx %s %s %s %ld %p %ld\n", dwEncodingType, debugstr_a(pszFuncName),
debugstr_a(pszOID), debugstr_w(pwszValueName), dwValueType, pbValueData,
cbValueData);
if (!GET_CERT_ENCODING_TYPE(dwEncodingType))
return TRUE;
if (!pszFuncName || !pszOID || !pwszValueName)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
szKey = CRYPT_GetKeyName(dwEncodingType, pszFuncName, pszOID);
rc = RegOpenKeyA(HKEY_LOCAL_MACHINE, szKey, &hKey);
CryptMemFree(szKey);
if (rc)
SetLastError(rc);
else
{
rc = RegSetValueExW(hKey, pwszValueName, 0, dwValueType, pbValueData,
cbValueData);
if (rc)
SetLastError(rc);
RegCloseKey(hKey);
}
return rc ? FALSE : TRUE;
}
struct OIDToAlgID
{
LPCSTR oid;
DWORD algID;
};
static const struct OIDToAlgID oidToAlgID[] = {
{ szOID_RSA_RSA, CALG_RSA_KEYX },
{ szOID_RSA_MD2RSA, CALG_MD2 },
{ szOID_RSA_MD4RSA, CALG_MD4 },
{ szOID_RSA_MD5RSA, CALG_MD5 },
{ szOID_RSA_SHA1RSA, CALG_SHA },
{ szOID_RSA_DH, CALG_DH_SF },
{ szOID_RSA_SMIMEalgESDH, CALG_DH_EPHEM },
{ szOID_RSA_SMIMEalgCMS3DESwrap, CALG_3DES },
{ szOID_RSA_SMIMEalgCMSRC2wrap, CALG_RC2 },
{ szOID_RSA_MD2, CALG_MD2 },
{ szOID_RSA_MD4, CALG_MD4 },
{ szOID_RSA_MD5, CALG_MD5 },
{ szOID_RSA_RC2CBC, CALG_RC2 },
{ szOID_RSA_RC4, CALG_RC4 },
{ szOID_RSA_DES_EDE3_CBC, CALG_3DES },
{ szOID_ANSI_X942_DH, CALG_DH_SF },
{ szOID_X957_DSA, CALG_DSS_SIGN },
{ szOID_X957_SHA1DSA, CALG_SHA },
{ szOID_OIWSEC_md4RSA, CALG_MD4 },
{ szOID_OIWSEC_md5RSA, CALG_MD5 },
{ szOID_OIWSEC_md4RSA2, CALG_MD4 },
{ szOID_OIWSEC_desCBC, CALG_DES },
{ szOID_OIWSEC_dsa, CALG_DSS_SIGN },
{ szOID_OIWSEC_shaDSA, CALG_SHA },
{ szOID_OIWSEC_shaRSA, CALG_SHA },
{ szOID_OIWSEC_sha, CALG_SHA },
{ szOID_OIWSEC_rsaXchg, CALG_RSA_KEYX },
{ szOID_OIWSEC_sha1, CALG_SHA },
{ szOID_OIWSEC_dsaSHA1, CALG_SHA },
{ szOID_OIWSEC_sha1RSASign, CALG_SHA },
{ szOID_OIWDIR_md2RSA, CALG_MD2 },
{ szOID_INFOSEC_mosaicUpdatedSig, CALG_SHA },
{ szOID_INFOSEC_mosaicKMandUpdSig, CALG_DSS_SIGN },
};
LPCSTR WINAPI CertAlgIdToOID(DWORD dwAlgId)
{
switch (dwAlgId)
{
case CALG_RSA_KEYX:
return szOID_RSA_RSA;
case CALG_DH_EPHEM:
return szOID_RSA_SMIMEalgESDH;
case CALG_MD2:
return szOID_RSA_MD2;
case CALG_MD4:
return szOID_RSA_MD4;
case CALG_MD5:
return szOID_RSA_MD5;
case CALG_RC2:
return szOID_RSA_RC2CBC;
case CALG_RC4:
return szOID_RSA_RC4;
case CALG_3DES:
return szOID_RSA_DES_EDE3_CBC;
case CALG_DH_SF:
return szOID_ANSI_X942_DH;
case CALG_DSS_SIGN:
return szOID_X957_DSA;
case CALG_DES:
return szOID_OIWSEC_desCBC;
case CALG_SHA:
return szOID_OIWSEC_sha1;
default:
return NULL;
}
}
DWORD WINAPI CertOIDToAlgId(LPCSTR pszObjId)
{
int i;
if (pszObjId)
{
for (i = 0; i < sizeof(oidToAlgID) / sizeof(oidToAlgID[0]); i++)
{
if (!strcmp(pszObjId, oidToAlgID[i].oid))
return oidToAlgID[i].algID;
}
}
return 0;
}
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