dlls/rsabase/main.c

   1 /*
   2  * RSABASE - RSA encryption for Wine
   3  *
   4  * Copyright 2004 Mike McCormack for CodeWeavers
   5  * Copyright 2002 TransGaming Technologies
   6  *
   7  * David Hammerton
   8  *
   9  * (based upon code from dlls/wininet/netconnection.c)
  10  *
  11  * This library is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU Lesser General Public
  13  * License as published by the Free Software Foundation; either
  14  * version 2.1 of the License, or (at your option) any later version.
  15  *
  16  * This library is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19  * Lesser General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU Lesser General Public
  22  * License along with this library; if not, write to the Free Software
  23  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  24
  25  */
  26
  27
  28 #include "config.h"
  29 #include "wine/port.h"
  30
  31 #include <stdarg.h>
  32
  33 #include "windef.h"
  34 #include "winbase.h"
  35 #include "winreg.h"
  36 #include "wincrypt.h"
  37
  38 #ifdef HAVE_OPENSSL_SSL_H
  39 #define DSA __ssl_DSA  /* avoid conflict with commctrl.h */
  40 #undef FAR
  41 # include <openssl/rand.h>
  42 #undef FAR
  43 #define FAR do_not_use_this_in_wine
  44 #undef DSA
  45 #endif
  46
  47 #include "wine/library.h"
  48 #include "wine/debug.h"
  49
  50 WINE_DEFAULT_DEBUG_CHANNEL(crypt);
  51
  52 #define RSABASE_MAGIC 0x52534100
  53
  54 #ifdef HAVE_OPENSSL_SSL_H
  55
  56 #ifndef SONAME_LIBCRYPTO
  57 #define SONAME_LIBCRYPTO "libcrypto.so"
  58 #endif
  59
  60 static void *libcrypto;
  61
  62 #define MAKE_FUNCPTR(f) static typeof(f) * p##f
  63
  64 /* OpenSSL funtions that we use */
  65 MAKE_FUNCPTR(RAND_bytes);
  66
  67 static BOOL load_libcrypto( void )
  68 {
  69     libcrypto = wine_dlopen(SONAME_LIBCRYPTO, RTLD_NOW, NULL, 0);
  70     if (!libcrypto)
  71     {
  72         MESSAGE("Couldn't load %s, RSA encryption not available.\n", SONAME_LIBCRYPTO);
  73         MESSAGE("Install the openssl package if you're have problems.\n");
  74         return FALSE;
  75     }
  76
  77     #define GETFUNC(x) \
  78     p##x = wine_dlsym(libcrypto, #x, NULL, 0); \
  79     if (!p##x) \
  80     { \
  81         ERR("failed to load symbol %s\n", #x); \
  82         return FALSE; \
  83     }
  84
  85     GETFUNC(RAND_bytes);
  86
  87     return TRUE;
  88 }
  89
  90 #endif
  91
  92 typedef struct _RSA_CryptProv
  93 {
  94     DWORD dwMagic;
  95 } RSA_CryptProv;
  96
  97 BOOL WINAPI RSA_CPAcquireContext(HCRYPTPROV *phProv, LPSTR pszContainer,
  98                    DWORD dwFlags, PVTableProvStruc pVTable)
  99 {
 100     BOOL ret = FALSE;
 101     RSA_CryptProv *cp;
 102
 103     TRACE("%p %s %08lx %p\n", phProv, debugstr_a(pszContainer),
 104            dwFlags, pVTable);
 105
 106 #ifdef HAVE_OPENSSL_SSL_H
 107
 108     if( !load_libcrypto() )
 109         return FALSE;
 110
 111     cp = HeapAlloc( GetProcessHeap(), 0, sizeof (RSA_CryptProv) );
 112     if( !cp )
 113     {
 114         SetLastError(ERROR_NOT_ENOUGH_MEMORY);
 115         return FALSE;
 116     }
 117
 118     cp->dwMagic = RSABASE_MAGIC;
 119
 120     *phProv = (HCRYPTPROV) cp;
 121     ret = TRUE;
 122
 123 #endif
 124
 125     return ret;
 126 }
 127
 128 BOOL WINAPI RSA_CPCreateHash(HCRYPTPROV hProv, ALG_ID Algid, HCRYPTKEY hKey, DWORD dwFlags, HCRYPTHASH *phHash)
 129 {
 130     FIXME("%08lx %d %08lx %08lx %p\n", hProv, Algid, hKey, dwFlags, phHash);
 131     return FALSE;
 132 }
 133
 134 BOOL WINAPI RSA_CPDecrypt(HCRYPTPROV hProv, HCRYPTKEY hKey, HCRYPTHASH hHash, BOOL Final, DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen)
 135 {
 136     FIXME("(stub)\n");
 137     return FALSE;
 138 }
 139
 140 BOOL WINAPI RSA_CPDeriveKey(HCRYPTPROV hProv, ALG_ID Algid, HCRYPTHASH hBaseData, DWORD dwFlags, HCRYPTKEY *phKey)
 141 {
 142     FIXME("(stub)\n");
 143     return FALSE;
 144 }
 145
 146 BOOL WINAPI RSA_CPDestroyHash(HCRYPTPROV hProv, HCRYPTHASH hHash)
 147 {
 148     FIXME("(stub)\n");
 149     return FALSE;
 150 }
 151
 152 BOOL WINAPI RSA_CPDestroyKey(HCRYPTPROV hProv, HCRYPTKEY hKey)
 153 {
 154     FIXME("(stub)\n");
 155     return FALSE;
 156 }
 157
 158 BOOL WINAPI RSA_CPDuplicateHash(HCRYPTPROV hUID, HCRYPTHASH hHash, DWORD *pdwReserved, DWORD dwFlags, HCRYPTHASH *phHash)
 159 {
 160     FIXME("(stub)\n");
 161     return FALSE;
 162 }
 163
 164 BOOL WINAPI RSA_CPDuplicateKey(HCRYPTPROV hUID, HCRYPTKEY hKey, DWORD *pdwReserved, DWORD dwFlags, HCRYPTKEY *phKey)
 165 {
 166     FIXME("(stub)\n");
 167     return FALSE;
 168 }
 169
 170 BOOL WINAPI RSA_CPEncrypt(HCRYPTPROV hProv, HCRYPTKEY hKey, HCRYPTHASH hHash, BOOL Final, DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen, DWORD dwBufLen)
 171 {
 172     FIXME("(stub)\n");
 173     return FALSE;
 174 }
 175
 176 BOOL WINAPI RSA_CPExportKey(HCRYPTPROV hProv, HCRYPTKEY hKey, HCRYPTKEY hPubKey, DWORD dwBlobType, DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen)
 177 {
 178     FIXME("(stub)\n");
 179     return FALSE;
 180 }
 181
 182 BOOL WINAPI RSA_CPGenKey(HCRYPTPROV hProv, ALG_ID Algid, DWORD dwFlags, HCRYPTKEY *phKey)
 183 {
 184     FIXME("(stub)\n");
 185     return FALSE;
 186 }
 187
 188 BOOL WINAPI RSA_CPGenRandom(HCRYPTPROV hProv, DWORD dwLen, BYTE *pbBuffer)
 189 {
 190     BOOL ret = FALSE;
 191     RSA_CryptProv *cp = (RSA_CryptProv*) hProv;
 192
 193     TRACE("%08lx %ld %p\n", hProv, dwLen, pbBuffer);
 194
 195     if( cp && ( cp->dwMagic != RSABASE_MAGIC ) )
 196         return FALSE;
 197
 198 #ifdef HAVE_OPENSSL_SSL_H
 199
 200     if( !pRAND_bytes)
 201         return FALSE;
 202     ret = pRAND_bytes( pbBuffer, dwLen );
 203
 204 #endif
 205
 206     return ret;
 207 }
 208
 209 BOOL WINAPI RSA_CPGetHashParam(HCRYPTPROV hProv, HCRYPTHASH hHash, DWORD dwParam, BYTE *pbData, DWORD *pdwDataLen, DWORD dwFlags)
 210 {
 211     FIXME("(stub)\n");
 212     return FALSE;
 213 }
 214
 215 BOOL WINAPI RSA_CPGetKeyParam(HCRYPTPROV hProv, HCRYPTKEY hKey, DWORD dwParam, BYTE *pbData, DWORD *pdwDataLen, DWORD dwFlags)
 216 {
 217     FIXME("(stub)\n");
 218     return FALSE;
 219 }
 220
 221 BOOL WINAPI RSA_CPGetProvParam(HCRYPTPROV hProv, DWORD dwParam, BYTE *pbData, DWORD *pdwDataLen, DWORD dwFlags)
 222 {
 223     FIXME("(stub)\n");
 224     return FALSE;
 225 }
 226
 227 BOOL WINAPI RSA_CPGetUserKey(HCRYPTPROV hProv, DWORD dwKeySpec, HCRYPTKEY *phUserKey)
 228 {
 229     FIXME("(stub)\n");
 230     return FALSE;
 231 }
 232
 233 BOOL WINAPI RSA_CPHashData(HCRYPTPROV hProv, HCRYPTHASH hHash, CONST BYTE *pbData, DWORD dwDataLen, DWORD dwFlags)
 234 {
 235     FIXME("(stub)\n");
 236     return FALSE;
 237 }
 238
 239 BOOL WINAPI RSA_CPHashSessionKey(HCRYPTPROV hProv, HCRYPTHASH hHash, HCRYPTKEY hKey, DWORD dwFlags)
 240 {
 241     FIXME("(stub)\n");
 242     return FALSE;
 243 }
 244
 245 BOOL WINAPI RSA_CPImportKey(HCRYPTPROV hProv, CONST BYTE *pbData, DWORD dwDataLen, HCRYPTKEY hPubKey, DWORD dwFlags, HCRYPTKEY *phKey)
 246 {
 247     FIXME("(stub)\n");
 248     return FALSE;
 249 }
 250
 251 BOOL WINAPI RSA_CPReleaseContext(HCRYPTPROV hProv, DWORD dwFlags)
 252 {
 253     RSA_CryptProv *cp = (RSA_CryptProv*) hProv;
 254
 255     TRACE("%08lx %08lx\n", hProv, dwFlags);
 256
 257     if( cp && ( cp->dwMagic != RSABASE_MAGIC ) )
 258         return FALSE;
 259
 260     HeapFree( GetProcessHeap(), 0, cp );
 261
 262     return TRUE;
 263 }
 264
 265 BOOL WINAPI RSA_CPSetHashParam(HCRYPTPROV hProv, HCRYPTHASH hHash, DWORD dwParam, BYTE *pbData, DWORD dwFlags)
 266 {
 267     FIXME("(stub)\n");
 268     return FALSE;
 269 }
 270
 271 BOOL WINAPI RSA_CPSetKeyParam(HCRYPTPROV hProv, HCRYPTKEY hKey, DWORD dwParam, BYTE *pbData, DWORD dwFlags)
 272 {
 273     FIXME("(stub)\n");
 274     return FALSE;
 275 }
 276
 277 BOOL WINAPI RSA_CPSetProvParam(HCRYPTPROV hProv, DWORD dwParam, BYTE *pbData, DWORD dwFlags)
 278 {
 279     FIXME("(stub)\n");
 280     return FALSE;
 281 }
 282
 283 BOOL WINAPI RSA_CPSignHash(HCRYPTPROV hProv, HCRYPTHASH hHash, DWORD dwKeySpec, LPCWSTR sDescription, DWORD dwFlags, BYTE *pbSignature, DWORD *pdwSigLen)
 284 {
 285     FIXME("(stub)\n");
 286     return FALSE;
 287 }
 288
 289 BOOL WINAPI RSA_CPVerifySignature(HCRYPTPROV hProv, HCRYPTHASH hHash, CONST BYTE *pbSignature, DWORD dwSigLen, HCRYPTKEY hPubKey, LPCWSTR sDescription, DWORD dwFlags)
 290 {
 291     FIXME("(stub)\n");
 292     return FALSE;
 293 }
 294
 295 static const WCHAR szRSAKey[] = { 'S','o','f','t','w','a','r','e','\\',
 296  'M','i','c','r','o','s','o','f','t','\\','C','r','y','p','t','o','g','r',
 297  'a','p','h','y','\\','D','e','f','a','u','l','t','s','\\','P','r','o','v',
 298  'i','d','e','r','\\','M','i','c','r','o','s','o','f','t',' ','B','a','s',
 299  'e',' ','C','r','y','p','t','o','g','r','a','p','h','i','c',' ','P','r',
 300  'o','v','i','d','e','r',' ','v','1','.','0',0 };
 301
 302 /***********************************************************************
 303  *              DllRegisterServer (RSABASE.@)
 304  */
 305 HRESULT WINAPI RSABASE_DllRegisterServer()
 306 {
 307     HKEY key;
 308     DWORD dp;
 309     long apiRet = RegCreateKeyExW(HKEY_LOCAL_MACHINE, szRSAKey, 0, NULL,
 310      REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &key, &dp);
 311
 312     if (apiRet == ERROR_SUCCESS)
 313     {
 314         if (dp == REG_CREATED_NEW_KEY)
 315         {
 316             static const WCHAR szImagePath[] = { 'I','m','a','g','e','P','a',
 317              't','h',0 };
 318             static const WCHAR szRSABase[] = { 'r','s','a','b','a','s','e','.',
 319              'd','l','l',0 };
 320              static const WCHAR szType[] = { 'T','y','p','e',0 };
 321              DWORD type = 1;
 322
 323             RegSetValueExW(key, szImagePath, 0, REG_SZ, (LPBYTE)szRSABase,
 324              (lstrlenW(szRSABase) + 1) * sizeof(WCHAR));
 325             RegSetValueExW(key, szType, 0, REG_DWORD, (LPBYTE)&type,
 326              sizeof(type));
 327         }
 328         RegCloseKey(key);
 329     }
 330     return S_OK;
 331 }
 332
 333 /***********************************************************************
 334  *              DllUnregisterServer (RSABASE.@)
 335  */
 336 HRESULT WINAPI RSABASE_DllUnregisterServer()
 337 {
 338     RegDeleteKeyW(HKEY_LOCAL_MACHINE, szRSAKey);
 339     return S_OK;
 340 }