dlls/crypt32/main.c

   1 /*
   2  * Copyright 2002 Mike McCormack for CodeWeavers
   3  * Copyright 2005 Juan Lang
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 #include <stdarg.h>
  21 #include <stdio.h>
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winternl.h"
  26 #include "wincrypt.h"
  27 #include "winreg.h"
  28 #include "winuser.h"
  29 #include "i_cryptasn1tls.h"
  30 #include "crypt32_private.h"
  31 #include "wine/debug.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(crypt);
  34
  35 static HCRYPTPROV hDefProv;
  36 HINSTANCE hInstance;
  37 const struct unix_funcs *unix_funcs = NULL;
  38
  39 static CRITICAL_SECTION prov_param_cs;
  40 static CRITICAL_SECTION_DEBUG prov_param_cs_debug =
  41 {
  42     0, 0, &prov_param_cs,
  43     { &prov_param_cs_debug.ProcessLocksList,
  44     &prov_param_cs_debug.ProcessLocksList },
  45     0, 0, { (DWORD_PTR)(__FILE__ ": prov_param_cs") }
  46 };
  47 static CRITICAL_SECTION prov_param_cs = { &prov_param_cs_debug, -1, 0, 0, 0, 0 };
  48
  49 BOOL WINAPI DllMain(HINSTANCE hInst, DWORD reason, PVOID pvReserved)
  50 {
  51     switch (reason)
  52     {
  53         case DLL_PROCESS_ATTACH:
  54             hInstance = hInst;
  55             DisableThreadLibraryCalls(hInst);
  56             init_empty_store();
  57             crypt_oid_init();
  58             __wine_init_unix_lib( hInst, reason, NULL, &unix_funcs );
  59             break;
  60         case DLL_PROCESS_DETACH:
  61             if (pvReserved) break;
  62             crypt_oid_free();
  63             crypt_sip_free();
  64             default_chain_engine_free();
  65             if (hDefProv) CryptReleaseContext(hDefProv, 0);
  66             __wine_init_unix_lib( hInst, reason, NULL, NULL );
  67             break;
  68     }
  69     return TRUE;
  70 }
  71
  72 static HCRYPTPROV CRYPT_GetDefaultProvider(void)
  73 {
  74     if (!hDefProv)
  75     {
  76         HCRYPTPROV prov;
  77
  78         if (!CryptAcquireContextW(&prov, NULL, MS_ENH_RSA_AES_PROV_W,
  79          PROV_RSA_AES, CRYPT_VERIFYCONTEXT))
  80             return hDefProv;
  81         InterlockedCompareExchangePointer((PVOID *)&hDefProv, (PVOID)prov,
  82          NULL);
  83         if (hDefProv != prov)
  84             CryptReleaseContext(prov, 0);
  85     }
  86     return hDefProv;
  87 }
  88
  89 typedef void * HLRUCACHE;
  90
  91 /* this function is called by Internet Explorer when it is about to verify a
  92  * downloaded component.  The first parameter appears to be a pointer to an
  93  * unknown type, native fails unless it points to a buffer of at least 20 bytes.
  94  * The second parameter appears to be an out parameter, whatever it's set to is
  95  * passed (by cryptnet.dll) to I_CryptFlushLruCache.
  96  */
  97 BOOL WINAPI I_CryptCreateLruCache(void *unknown, HLRUCACHE *out)
  98 {
  99     FIXME("(%p, %p): stub!\n", unknown, out);
 100     *out = (void *)0xbaadf00d;
 101     return TRUE;
 102 }
 103
 104 BOOL WINAPI I_CryptFindLruEntry(DWORD unk0, DWORD unk1)
 105 {
 106     FIXME("(%08x, %08x): stub!\n", unk0, unk1);
 107     return FALSE;
 108 }
 109
 110 BOOL WINAPI I_CryptFindLruEntryData(DWORD unk0, DWORD unk1, DWORD unk2)
 111 {
 112     FIXME("(%08x, %08x, %08x): stub!\n", unk0, unk1, unk2);
 113     return FALSE;
 114 }
 115
 116 BOOL WINAPI I_CryptCreateLruEntry(HLRUCACHE h, DWORD unk0, DWORD unk1)
 117 {
 118     FIXME("(%p, %08x, %08x): stub!\n", h, unk0, unk1);
 119     return FALSE;
 120 }
 121
 122 DWORD WINAPI I_CryptFlushLruCache(HLRUCACHE h, DWORD unk0, DWORD unk1)
 123 {
 124     FIXME("(%p, %08x, %08x): stub!\n", h, unk0, unk1);
 125     return 0;
 126 }
 127
 128 HLRUCACHE WINAPI I_CryptFreeLruCache(HLRUCACHE h, DWORD unk0, DWORD unk1)
 129 {
 130     FIXME("(%p, %08x, %08x): stub!\n", h, unk0, unk1);
 131     return h;
 132 }
 133
 134 LPVOID WINAPI CryptMemAlloc(ULONG cbSize)
 135 {
 136     return HeapAlloc(GetProcessHeap(), 0, cbSize);
 137 }
 138
 139 LPVOID WINAPI CryptMemRealloc(LPVOID pv, ULONG cbSize)
 140 {
 141     return HeapReAlloc(GetProcessHeap(), 0, pv, cbSize);
 142 }
 143
 144 VOID WINAPI CryptMemFree(LPVOID pv)
 145 {
 146     HeapFree(GetProcessHeap(), 0, pv);
 147 }
 148
 149 DWORD WINAPI I_CryptAllocTls(void)
 150 {
 151     return TlsAlloc();
 152 }
 153
 154 LPVOID WINAPI I_CryptDetachTls(DWORD dwTlsIndex)
 155 {
 156     LPVOID ret;
 157
 158     ret = TlsGetValue(dwTlsIndex);
 159     TlsSetValue(dwTlsIndex, NULL);
 160     return ret;
 161 }
 162
 163 LPVOID WINAPI I_CryptGetTls(DWORD dwTlsIndex)
 164 {
 165     return TlsGetValue(dwTlsIndex);
 166 }
 167
 168 BOOL WINAPI I_CryptSetTls(DWORD dwTlsIndex, LPVOID lpTlsValue)
 169 {
 170     return TlsSetValue(dwTlsIndex, lpTlsValue);
 171 }
 172
 173 BOOL WINAPI I_CryptFreeTls(DWORD dwTlsIndex, DWORD unknown)
 174 {
 175     BOOL ret;
 176
 177     TRACE("(%d, %d)\n", dwTlsIndex, unknown);
 178
 179     ret = TlsFree(dwTlsIndex);
 180     if (!ret) SetLastError( E_INVALIDARG );
 181     return ret;
 182 }
 183
 184 BOOL WINAPI I_CryptGetOssGlobal(DWORD x)
 185 {
 186     FIXME("%08x\n", x);
 187     return FALSE;
 188 }
 189
 190 static BOOL is_supported_algid(HCRYPTPROV prov, ALG_ID algid)
 191 {
 192     PROV_ENUMALGS prov_algs;
 193     DWORD size = sizeof(prov_algs);
 194     BOOL ret = FALSE;
 195
 196     /* This enumeration is not thread safe */
 197     EnterCriticalSection(&prov_param_cs);
 198     if (CryptGetProvParam(prov, PP_ENUMALGS, (BYTE *)&prov_algs, &size, CRYPT_FIRST))
 199     {
 200         do
 201         {
 202             if (prov_algs.aiAlgid == algid)
 203             {
 204                 ret = TRUE;
 205                 break;
 206             }
 207         } while (CryptGetProvParam(prov, PP_ENUMALGS, (BYTE *)&prov_algs, &size, CRYPT_NEXT));
 208     }
 209     LeaveCriticalSection(&prov_param_cs);
 210     return ret;
 211 }
 212
 213 HCRYPTPROV WINAPI DECLSPEC_HOTPATCH I_CryptGetDefaultCryptProv(ALG_ID algid)
 214 {
 215     HCRYPTPROV prov, defprov;
 216
 217     TRACE("(%08x)\n", algid);
 218
 219     defprov = CRYPT_GetDefaultProvider();
 220
 221     if (algid && !is_supported_algid(defprov, algid))
 222     {
 223         DWORD i = 0, type, size;
 224
 225         while (CryptEnumProvidersW(i, NULL, 0, &type, NULL, &size))
 226         {
 227             WCHAR *name = CryptMemAlloc(size);
 228             if (name)
 229             {
 230                 if (CryptEnumProvidersW(i, NULL, 0, &type, name, &size))
 231                 {
 232                     if (CryptAcquireContextW(&prov, NULL, name, type, CRYPT_VERIFYCONTEXT))
 233                     {
 234                         if (is_supported_algid(prov, algid))
 235                         {
 236                             CryptMemFree(name);
 237                             return prov;
 238                         }
 239                         CryptReleaseContext(prov, 0);
 240                     }
 241                 }
 242                 CryptMemFree(name);
 243             }
 244             i++;
 245         }
 246
 247         SetLastError(E_INVALIDARG);
 248         return 0;
 249     }
 250
 251     CryptContextAddRef(defprov, NULL, 0);
 252     return defprov;
 253 }
 254
 255 BOOL WINAPI I_CryptReadTrustedPublisherDWORDValueFromRegistry(LPCWSTR name,
 256  DWORD *value)
 257 {
 258     HKEY key;
 259     LONG rc;
 260     BOOL ret = FALSE;
 261
 262     TRACE("(%s, %p)\n", debugstr_w(name), value);
 263
 264     *value = 0;
 265     rc = RegCreateKeyW(HKEY_LOCAL_MACHINE, L"Software\\Policies\\Microsoft\\SystemCertificates\\TrustedPublisher\\Safer", &key);
 266     if (rc == ERROR_SUCCESS)
 267     {
 268         DWORD size = sizeof(DWORD);
 269
 270         if (!RegQueryValueExW(key, name, NULL, NULL, (LPBYTE)value, &size))
 271             ret = TRUE;
 272         RegCloseKey(key);
 273     }
 274     return ret;
 275 }
 276
 277 DWORD WINAPI I_CryptInstallOssGlobal(DWORD x, DWORD y, DWORD z)
 278 {
 279     static int ret = 8;
 280     ret++;
 281     FIXME("%08x %08x %08x, return value %d\n", x, y, z,ret);
 282     return ret;
 283 }
 284
 285 BOOL WINAPI I_CryptInstallAsn1Module(ASN1module_t x, DWORD y, void* z)
 286 {
 287     FIXME("(%p %08x %p): stub\n", x, y, z);
 288     return TRUE;
 289 }
 290
 291 BOOL WINAPI I_CryptUninstallAsn1Module(HCRYPTASN1MODULE x)
 292 {
 293     FIXME("(%08x): stub\n", x);
 294     return TRUE;
 295 }
 296
 297 ASN1decoding_t WINAPI I_CryptGetAsn1Decoder(HCRYPTASN1MODULE x)
 298 {
 299     FIXME("(%08x): stub\n", x);
 300     return NULL;
 301 }
 302
 303 ASN1encoding_t WINAPI I_CryptGetAsn1Encoder(HCRYPTASN1MODULE x)
 304 {
 305     FIXME("(%08x): stub\n", x);
 306     return NULL;
 307 }
 308
 309 BOOL WINAPI CryptProtectMemory(void *data, DWORD len, DWORD flags)
 310 {
 311     static int fixme_once;
 312     if (!fixme_once++) FIXME("(%p %u %08x): stub\n", data, len, flags);
 313     return TRUE;
 314 }
 315
 316 BOOL WINAPI CryptUnprotectMemory(void *data, DWORD len, DWORD flags)
 317 {
 318     static int fixme_once;
 319     if (!fixme_once++) FIXME("(%p %u %08x): stub\n", data, len, flags);
 320     return TRUE;
 321 }