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 BOOL WINAPI DllMain(HINSTANCE hInst, DWORD fdwReason, PVOID pvReserved)
  39 {
  40     switch (fdwReason)
  41     {
  42         case DLL_PROCESS_ATTACH:
  43             hInstance = hInst;
  44             DisableThreadLibraryCalls(hInst);
  45             crypt_oid_init();
  46             break;
  47         case DLL_PROCESS_DETACH:
  48             crypt_oid_free();
  49             crypt_sip_free();
  50             root_store_free();
  51             default_chain_engine_free();
  52             /* Don't release the default provider on process shutdown, there's
  53              * no guarantee the provider dll hasn't already been unloaded.
  54              */
  55             if (hDefProv && !pvReserved) CryptReleaseContext(hDefProv, 0);
  56             break;
  57     }
  58     return TRUE;
  59 }
  60
  61 HCRYPTPROV CRYPT_GetDefaultProvider(void)
  62 {
  63     if (!hDefProv)
  64     {
  65         HCRYPTPROV prov;
  66
  67         CryptAcquireContextW(&prov, NULL, MS_ENHANCED_PROV_W, PROV_RSA_FULL,
  68          CRYPT_VERIFYCONTEXT);
  69         InterlockedCompareExchangePointer((PVOID *)&hDefProv, (PVOID)prov,
  70          NULL);
  71         if (hDefProv != prov)
  72             CryptReleaseContext(prov, 0);
  73     }
  74     return hDefProv;
  75 }
  76
  77 typedef void * HLRUCACHE;
  78
  79 /* this function is called by Internet Explorer when it is about to verify a
  80  * downloaded component.  The first parameter appears to be a pointer to an
  81  * unknown type, native fails unless it points to a buffer of at least 20 bytes.
  82  * The second parameter appears to be an out parameter, whatever it's set to is
  83  * passed (by cryptnet.dll) to I_CryptFlushLruCache.
  84  */
  85 BOOL WINAPI I_CryptCreateLruCache(void *unknown, HLRUCACHE *out)
  86 {
  87     FIXME("(%p, %p): stub!\n", unknown, out);
  88     *out = (void *)0xbaadf00d;
  89     return TRUE;
  90 }
  91
  92 BOOL WINAPI I_CryptFindLruEntry(DWORD unk0, DWORD unk1)
  93 {
  94     FIXME("(%08x, %08x): stub!\n", unk0, unk1);
  95     return FALSE;
  96 }
  97
  98 BOOL WINAPI I_CryptFindLruEntryData(DWORD unk0, DWORD unk1, DWORD unk2)
  99 {
 100     FIXME("(%08x, %08x, %08x): stub!\n", unk0, unk1, unk2);
 101     return FALSE;
 102 }
 103
 104 BOOL WINAPI I_CryptCreateLruEntry(HLRUCACHE h, DWORD unk0, DWORD unk1)
 105 {
 106     FIXME("(%p, %08x, %08x): stub!\n", h, unk0, unk1);
 107     return FALSE;
 108 }
 109
 110 DWORD WINAPI I_CryptFlushLruCache(HLRUCACHE h, DWORD unk0, DWORD unk1)
 111 {
 112     FIXME("(%p, %08x, %08x): stub!\n", h, unk0, unk1);
 113     return 0;
 114 }
 115
 116 HLRUCACHE WINAPI I_CryptFreeLruCache(HLRUCACHE h, DWORD unk0, DWORD unk1)
 117 {
 118     FIXME("(%p, %08x, %08x): stub!\n", h, unk0, unk1);
 119     return h;
 120 }
 121
 122 LPVOID WINAPI CryptMemAlloc(ULONG cbSize)
 123 {
 124     return HeapAlloc(GetProcessHeap(), 0, cbSize);
 125 }
 126
 127 LPVOID WINAPI CryptMemRealloc(LPVOID pv, ULONG cbSize)
 128 {
 129     return HeapReAlloc(GetProcessHeap(), 0, pv, cbSize);
 130 }
 131
 132 VOID WINAPI CryptMemFree(LPVOID pv)
 133 {
 134     HeapFree(GetProcessHeap(), 0, pv);
 135 }
 136
 137 DWORD WINAPI I_CryptAllocTls(void)
 138 {
 139     return TlsAlloc();
 140 }
 141
 142 LPVOID WINAPI I_CryptDetachTls(DWORD dwTlsIndex)
 143 {
 144     LPVOID ret;
 145
 146     ret = TlsGetValue(dwTlsIndex);
 147     TlsSetValue(dwTlsIndex, NULL);
 148     return ret;
 149 }
 150
 151 LPVOID WINAPI I_CryptGetTls(DWORD dwTlsIndex)
 152 {
 153     return TlsGetValue(dwTlsIndex);
 154 }
 155
 156 BOOL WINAPI I_CryptSetTls(DWORD dwTlsIndex, LPVOID lpTlsValue)
 157 {
 158     return TlsSetValue(dwTlsIndex, lpTlsValue);
 159 }
 160
 161 BOOL WINAPI I_CryptFreeTls(DWORD dwTlsIndex, DWORD unknown)
 162 {
 163     TRACE("(%d, %d)\n", dwTlsIndex, unknown);
 164     return TlsFree(dwTlsIndex);
 165 }
 166
 167 BOOL WINAPI I_CryptGetOssGlobal(DWORD x)
 168 {
 169     FIXME("%08x\n", x);
 170     return FALSE;
 171 }
 172
 173 HCRYPTPROV WINAPI I_CryptGetDefaultCryptProv(DWORD reserved)
 174 {
 175     HCRYPTPROV ret;
 176
 177     TRACE("(%08x)\n", reserved);
 178
 179     if (reserved)
 180     {
 181         SetLastError(E_INVALIDARG);
 182         return 0;
 183     }
 184     ret = CRYPT_GetDefaultProvider();
 185     CryptContextAddRef(ret, NULL, 0);
 186     return ret;
 187 }
 188
 189 BOOL WINAPI I_CryptReadTrustedPublisherDWORDValueFromRegistry(LPCWSTR name,
 190  DWORD *value)
 191 {
 192     static const WCHAR safer[] = {
 193      'S','o','f','t','w','a','r','e','\\','P','o','l','i','c','i','e','s','\\',
 194      'M','i','c','r','o','s','o','f','t','\\','S','y','s','t','e','m',
 195      'C','e','r','t','i','f','i','c','a','t','e','s','\\',
 196      'T','r','u','s','t','e','d','P','u','b','l','i','s','h','e','r','\\',
 197      'S','a','f','e','r',0 };
 198     HKEY key;
 199     LONG rc;
 200     BOOL ret = FALSE;
 201
 202     TRACE("(%s, %p)\n", debugstr_w(name), value);
 203
 204     *value = 0;
 205     rc = RegCreateKeyW(HKEY_LOCAL_MACHINE, safer, &key);
 206     if (rc == ERROR_SUCCESS)
 207     {
 208         DWORD size = sizeof(DWORD);
 209
 210         if (!RegQueryValueExW(key, name, NULL, NULL, (LPBYTE)value, &size))
 211             ret = TRUE;
 212         RegCloseKey(key);
 213     }
 214     return ret;
 215 }
 216
 217 DWORD WINAPI I_CryptInstallOssGlobal(DWORD x, DWORD y, DWORD z)
 218 {
 219     static int ret = 8;
 220     ret++;
 221     FIXME("%08x %08x %08x, return value %d\n", x, y, z,ret);
 222     return ret;
 223 }
 224
 225 BOOL WINAPI I_CryptInstallAsn1Module(ASN1module_t x, DWORD y, void* z)
 226 {
 227     FIXME("(%p %08x %p): stub\n", x, y, z);
 228     return TRUE;
 229 }
 230
 231 BOOL WINAPI I_CryptUninstallAsn1Module(HCRYPTASN1MODULE x)
 232 {
 233     FIXME("(%08x): stub\n", x);
 234     return TRUE;
 235 }
 236
 237 ASN1decoding_t WINAPI I_CryptGetAsn1Decoder(HCRYPTASN1MODULE x)
 238 {
 239     FIXME("(%08x): stub\n", x);
 240     return NULL;
 241 }
 242
 243 ASN1encoding_t WINAPI I_CryptGetAsn1Encoder(HCRYPTASN1MODULE x)
 244 {
 245     FIXME("(%08x): stub\n", x);
 246     return NULL;
 247 }