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 "config.h"
  21 #include <stdarg.h>
  22 #include <stdio.h>
  23
  24 #include "windef.h"
  25 #include "winbase.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
  38 static CRITICAL_SECTION prov_param_cs;
  39 static CRITICAL_SECTION_DEBUG prov_param_cs_debug =
  40 {
  41     0, 0, &prov_param_cs,
  42     { &prov_param_cs_debug.ProcessLocksList,
  43     &prov_param_cs_debug.ProcessLocksList },
  44     0, 0, { (DWORD_PTR)(__FILE__ ": prov_param_cs") }
  45 };
  46 static CRITICAL_SECTION prov_param_cs = { &prov_param_cs_debug, -1, 0, 0, 0, 0 };
  47
  48 BOOL WINAPI DllMain(HINSTANCE hInst, DWORD fdwReason, PVOID pvReserved)
  49 {
  50     switch (fdwReason)
  51     {
  52         case DLL_PROCESS_ATTACH:
  53             hInstance = hInst;
  54             DisableThreadLibraryCalls(hInst);
  55             init_empty_store();
  56             crypt_oid_init();
  57 #ifdef SONAME_LIBGNUTLS
  58             gnutls_initialize();
  59 #endif
  60             break;
  61         case DLL_PROCESS_DETACH:
  62             if (pvReserved) break;
  63             crypt_oid_free();
  64             crypt_sip_free();
  65             default_chain_engine_free();
  66             if (hDefProv) CryptReleaseContext(hDefProv, 0);
  67 #ifdef SONAME_LIBGNUTLS
  68             gnutls_uninitialize();
  69 #endif
  70             break;
  71     }
  72     return TRUE;
  73 }
  74
  75 static HCRYPTPROV CRYPT_GetDefaultProvider(void)
  76 {
  77     if (!hDefProv)
  78     {
  79         HCRYPTPROV prov;
  80
  81         if (!CryptAcquireContextW(&prov, NULL, MS_ENH_RSA_AES_PROV_W,
  82          PROV_RSA_AES, CRYPT_VERIFYCONTEXT))
  83             return hDefProv;
  84         InterlockedCompareExchangePointer((PVOID *)&hDefProv, (PVOID)prov,
  85          NULL);
  86         if (hDefProv != prov)
  87             CryptReleaseContext(prov, 0);
  88     }
  89     return hDefProv;
  90 }
  91
  92 typedef void * HLRUCACHE;
  93
  94 /* this function is called by Internet Explorer when it is about to verify a
  95  * downloaded component.  The first parameter appears to be a pointer to an
  96  * unknown type, native fails unless it points to a buffer of at least 20 bytes.
  97  * The second parameter appears to be an out parameter, whatever it's set to is
  98  * passed (by cryptnet.dll) to I_CryptFlushLruCache.
  99  */
 100 BOOL WINAPI I_CryptCreateLruCache(void *unknown, HLRUCACHE *out)
 101 {
 102     FIXME("(%p, %p): stub!\n", unknown, out);
 103     *out = (void *)0xbaadf00d;
 104     return TRUE;
 105 }
 106
 107 BOOL WINAPI I_CryptFindLruEntry(DWORD unk0, DWORD unk1)
 108 {
 109     FIXME("(%08x, %08x): stub!\n", unk0, unk1);
 110     return FALSE;
 111 }
 112
 113 BOOL WINAPI I_CryptFindLruEntryData(DWORD unk0, DWORD unk1, DWORD unk2)
 114 {
 115     FIXME("(%08x, %08x, %08x): stub!\n", unk0, unk1, unk2);
 116     return FALSE;
 117 }
 118
 119 BOOL WINAPI I_CryptCreateLruEntry(HLRUCACHE h, DWORD unk0, DWORD unk1)
 120 {
 121     FIXME("(%p, %08x, %08x): stub!\n", h, unk0, unk1);
 122     return FALSE;
 123 }
 124
 125 DWORD WINAPI I_CryptFlushLruCache(HLRUCACHE h, DWORD unk0, DWORD unk1)
 126 {
 127     FIXME("(%p, %08x, %08x): stub!\n", h, unk0, unk1);
 128     return 0;
 129 }
 130
 131 HLRUCACHE WINAPI I_CryptFreeLruCache(HLRUCACHE h, DWORD unk0, DWORD unk1)
 132 {
 133     FIXME("(%p, %08x, %08x): stub!\n", h, unk0, unk1);
 134     return h;
 135 }
 136
 137 LPVOID WINAPI CryptMemAlloc(ULONG cbSize)
 138 {
 139     return HeapAlloc(GetProcessHeap(), 0, cbSize);
 140 }
 141
 142 LPVOID WINAPI CryptMemRealloc(LPVOID pv, ULONG cbSize)
 143 {
 144     return HeapReAlloc(GetProcessHeap(), 0, pv, cbSize);
 145 }
 146
 147 VOID WINAPI CryptMemFree(LPVOID pv)
 148 {
 149     HeapFree(GetProcessHeap(), 0, pv);
 150 }
 151
 152 DWORD WINAPI I_CryptAllocTls(void)
 153 {
 154     return TlsAlloc();
 155 }
 156
 157 LPVOID WINAPI I_CryptDetachTls(DWORD dwTlsIndex)
 158 {
 159     LPVOID ret;
 160
 161     ret = TlsGetValue(dwTlsIndex);
 162     TlsSetValue(dwTlsIndex, NULL);
 163     return ret;
 164 }
 165
 166 LPVOID WINAPI I_CryptGetTls(DWORD dwTlsIndex)
 167 {
 168     return TlsGetValue(dwTlsIndex);
 169 }
 170
 171 BOOL WINAPI I_CryptSetTls(DWORD dwTlsIndex, LPVOID lpTlsValue)
 172 {
 173     return TlsSetValue(dwTlsIndex, lpTlsValue);
 174 }
 175
 176 BOOL WINAPI I_CryptFreeTls(DWORD dwTlsIndex, DWORD unknown)
 177 {
 178     BOOL ret;
 179
 180     TRACE("(%d, %d)\n", dwTlsIndex, unknown);
 181
 182     ret = TlsFree(dwTlsIndex);
 183     if (!ret) SetLastError( E_INVALIDARG );
 184     return ret;
 185 }
 186
 187 BOOL WINAPI I_CryptGetOssGlobal(DWORD x)
 188 {
 189     FIXME("%08x\n", x);
 190     return FALSE;
 191 }
 192
 193 static BOOL is_supported_algid(HCRYPTPROV prov, ALG_ID algid)
 194 {
 195     PROV_ENUMALGS prov_algs;
 196     DWORD size = sizeof(prov_algs);
 197     BOOL ret = FALSE;
 198
 199     /* This enumeration is not thread safe */
 200     EnterCriticalSection(&prov_param_cs);
 201     if (CryptGetProvParam(prov, PP_ENUMALGS, (BYTE *)&prov_algs, &size, CRYPT_FIRST))
 202     {
 203         do
 204         {
 205             if (prov_algs.aiAlgid == algid)
 206             {
 207                 ret = TRUE;
 208                 break;
 209             }
 210         } while (CryptGetProvParam(prov, PP_ENUMALGS, (BYTE *)&prov_algs, &size, CRYPT_NEXT));
 211     }
 212     LeaveCriticalSection(&prov_param_cs);
 213     return ret;
 214 }
 215
 216 HCRYPTPROV WINAPI DECLSPEC_HOTPATCH I_CryptGetDefaultCryptProv(ALG_ID algid)
 217 {
 218     HCRYPTPROV prov, defprov;
 219
 220     TRACE("(%08x)\n", algid);
 221
 222     defprov = CRYPT_GetDefaultProvider();
 223
 224     if (algid && !is_supported_algid(defprov, algid))
 225     {
 226         DWORD i = 0, type, size;
 227
 228         while (CryptEnumProvidersW(i, NULL, 0, &type, NULL, &size))
 229         {
 230             WCHAR *name = CryptMemAlloc(size);
 231             if (name)
 232             {
 233                 if (CryptEnumProvidersW(i, NULL, 0, &type, name, &size))
 234                 {
 235                     if (CryptAcquireContextW(&prov, NULL, name, type, CRYPT_VERIFYCONTEXT))
 236                     {
 237                         if (is_supported_algid(prov, algid))
 238                         {
 239                             CryptMemFree(name);
 240                             return prov;
 241                         }
 242                         CryptReleaseContext(prov, 0);
 243                     }
 244                 }
 245                 CryptMemFree(name);
 246             }
 247             i++;
 248         }
 249
 250         SetLastError(E_INVALIDARG);
 251         return 0;
 252     }
 253
 254     CryptContextAddRef(defprov, NULL, 0);
 255     return defprov;
 256 }
 257
 258 BOOL WINAPI I_CryptReadTrustedPublisherDWORDValueFromRegistry(LPCWSTR name,
 259  DWORD *value)
 260 {
 261     static const WCHAR safer[] = {
 262      'S','o','f','t','w','a','r','e','\\','P','o','l','i','c','i','e','s','\\',
 263      'M','i','c','r','o','s','o','f','t','\\','S','y','s','t','e','m',
 264      'C','e','r','t','i','f','i','c','a','t','e','s','\\',
 265      'T','r','u','s','t','e','d','P','u','b','l','i','s','h','e','r','\\',
 266      'S','a','f','e','r',0 };
 267     HKEY key;
 268     LONG rc;
 269     BOOL ret = FALSE;
 270
 271     TRACE("(%s, %p)\n", debugstr_w(name), value);
 272
 273     *value = 0;
 274     rc = RegCreateKeyW(HKEY_LOCAL_MACHINE, safer, &key);
 275     if (rc == ERROR_SUCCESS)
 276     {
 277         DWORD size = sizeof(DWORD);
 278
 279         if (!RegQueryValueExW(key, name, NULL, NULL, (LPBYTE)value, &size))
 280             ret = TRUE;
 281         RegCloseKey(key);
 282     }
 283     return ret;
 284 }
 285
 286 DWORD WINAPI I_CryptInstallOssGlobal(DWORD x, DWORD y, DWORD z)
 287 {
 288     static int ret = 8;
 289     ret++;
 290     FIXME("%08x %08x %08x, return value %d\n", x, y, z,ret);
 291     return ret;
 292 }
 293
 294 BOOL WINAPI I_CryptInstallAsn1Module(ASN1module_t x, DWORD y, void* z)
 295 {
 296     FIXME("(%p %08x %p): stub\n", x, y, z);
 297     return TRUE;
 298 }
 299
 300 BOOL WINAPI I_CryptUninstallAsn1Module(HCRYPTASN1MODULE x)
 301 {
 302     FIXME("(%08x): stub\n", x);
 303     return TRUE;
 304 }
 305
 306 ASN1decoding_t WINAPI I_CryptGetAsn1Decoder(HCRYPTASN1MODULE x)
 307 {
 308     FIXME("(%08x): stub\n", x);
 309     return NULL;
 310 }
 311
 312 ASN1encoding_t WINAPI I_CryptGetAsn1Encoder(HCRYPTASN1MODULE x)
 313 {
 314     FIXME("(%08x): stub\n", x);
 315     return NULL;
 316 }
 317
 318 BOOL WINAPI CryptProtectMemory(void *data, DWORD len, DWORD flags)
 319 {
 320     static int fixme_once;
 321     if (!fixme_once++) FIXME("(%p %u %08x): stub\n", data, len, flags);
 322     return TRUE;
 323 }
 324
 325 BOOL WINAPI CryptUnprotectMemory(void *data, DWORD len, DWORD flags)
 326 {
 327     static int fixme_once;
 328     if (!fixme_once++) FIXME("(%p %u %08x): stub\n", data, len, flags);
 329     return TRUE;
 330 }