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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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 "winnls.h"
  29 #include "mssip.h"
  30 #include "crypt32_private.h"
  31 #include "wine/debug.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(crypt);
  34
  35 static HCRYPTPROV hDefProv;
  36
  37 BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD fdwReason, PVOID pvReserved)
  38 {
  39     switch (fdwReason)
  40     {
  41         case DLL_PROCESS_DETACH:
  42             if (hDefProv) CryptReleaseContext(hDefProv, 0);
  43             break;
  44     }
  45     return TRUE;
  46 }
  47
  48 HCRYPTPROV CRYPT_GetDefaultProvider(void)
  49 {
  50     if (!hDefProv)
  51         CryptAcquireContextW(&hDefProv, NULL, MS_ENHANCED_PROV_W,
  52          PROV_RSA_FULL, CRYPT_VERIFYCONTEXT);
  53     return hDefProv;
  54 }
  55
  56 /* this function is called by Internet Explorer when it is about to verify a downloaded component */
  57 BOOL WINAPI I_CryptCreateLruCache(DWORD x, DWORD y)
  58 {
  59     FIXME("stub!\n");
  60     return FALSE;
  61 }
  62
  63 /* these functions all have an unknown number of args */
  64 BOOL WINAPI I_CryptFindLruEntryData(DWORD x)
  65 {
  66     FIXME("stub!\n");
  67     return FALSE;
  68 }
  69
  70 BOOL WINAPI I_CryptFlushLruCache(DWORD x)
  71 {
  72     FIXME("stub!\n");
  73     return FALSE;
  74 }
  75
  76 BOOL WINAPI I_CryptFreeLruCache(DWORD x)
  77 {
  78     FIXME("stub!\n");
  79     return FALSE;
  80 }
  81
  82 BOOL WINAPI CryptSIPRemoveProvider(GUID *pgProv)
  83 {
  84     FIXME("stub!\n");
  85     return FALSE;
  86 }
  87
  88 /* convert a guid to a wide character string */
  89 static void CRYPT_guid2wstr( LPGUID guid, LPWSTR wstr )
  90 {
  91     char str[40];
  92
  93     sprintf(str, "{%08lX-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
  94            guid->Data1, guid->Data2, guid->Data3,
  95            guid->Data4[0], guid->Data4[1], guid->Data4[2], guid->Data4[3],
  96            guid->Data4[4], guid->Data4[5], guid->Data4[6], guid->Data4[7] );
  97     MultiByteToWideChar( CP_ACP, 0, str, -1, wstr, 40 );
  98 }
  99
 100 /*
 101  * Helper for CryptSIPAddProvider
 102  *
 103  * Add a registry key containing a dll name and function under
 104  *  "Software\\Microsoft\\Cryptography\\OID\\EncodingType 0\\<func>\\<guid>"
 105  */
 106 static LONG CRYPT_SIPWriteFunction( LPGUID guid, LPCWSTR szKey,
 107               LPCWSTR szDll, LPCWSTR szFunction )
 108 {
 109     static const WCHAR szOID[] = {
 110         'S','o','f','t','w','a','r','e','\\',
 111         'M','i','c','r','o','s','o','f','t','\\',
 112         'C','r','y','p','t','o','g','r','a','p','h','y','\\',
 113         'O','I','D','\\',
 114         'E','n','c','o','d','i','n','g','T','y','p','e',' ','0','\\',
 115         'C','r','y','p','t','S','I','P','D','l','l', 0 };
 116     static const WCHAR szBackSlash[] = { '\\', 0 };
 117     static const WCHAR szDllName[] = { 'D','l','l',0 };
 118     static const WCHAR szFuncName[] = { 'F','u','n','c','N','a','m','e',0 };
 119     WCHAR szFullKey[ 0x100 ];
 120     LONG r;
 121     HKEY hKey;
 122
 123     if( !szFunction )
 124          return ERROR_SUCCESS;
 125
 126     /* max length of szFullKey depends on our code only, so we won't overrun */
 127     lstrcpyW( szFullKey, szOID );
 128     lstrcatW( szFullKey, szKey );
 129     lstrcatW( szFullKey, szBackSlash );
 130     CRYPT_guid2wstr( guid, &szFullKey[ lstrlenW( szFullKey ) ] );
 131     lstrcatW( szFullKey, szBackSlash );
 132
 133     TRACE("key is %s\n", debugstr_w( szFullKey ) );
 134
 135     r = RegCreateKeyW( HKEY_LOCAL_MACHINE, szFullKey, &hKey );
 136     if( r != ERROR_SUCCESS )
 137         return r;
 138
 139     /* write the values */
 140     RegSetValueExW( hKey, szFuncName, 0, REG_SZ, (const BYTE*) szFunction,
 141                     ( lstrlenW( szFunction ) + 1 ) * sizeof (WCHAR) );
 142     RegSetValueExW( hKey, szDllName, 0, REG_SZ, (const BYTE*) szDll,
 143                     ( lstrlenW( szDll ) + 1) * sizeof (WCHAR) );
 144
 145     RegCloseKey( hKey );
 146
 147     return ERROR_SUCCESS;
 148 }
 149
 150 BOOL WINAPI CryptSIPAddProvider(SIP_ADD_NEWPROVIDER *psNewProv)
 151 {
 152     static const WCHAR szCreate[] = {
 153        'C','r','e','a','t','e',
 154        'I','n','d','i','r','e','c','t','D','a','t','a',0};
 155     static const WCHAR szGetSigned[] = {
 156        'G','e','t','S','i','g','n','e','d','D','a','t','a','M','s','g',0};
 157     static const WCHAR szIsMyFile[] = {
 158        'I','s','M','y','F','i','l','e','T','y','p','e', 0 };
 159     static const WCHAR szPutSigned[] = {
 160        'P','u','t','S','i','g','n','e','d','D','a','t','a','M','s','g',0};
 161     static const WCHAR szRemoveSigned[] = {
 162        'R','e','m','o','v','e',
 163        'S','i','g','n','e','d','D','a','t','a','M','s','g',0};
 164     static const WCHAR szVerify[] = {
 165        'V','e','r','i','f','y',
 166        'I','n','d','i','r','e','c','t','D','a','t','a',0};
 167
 168     TRACE("%p\n", psNewProv);
 169
 170     if( !psNewProv )
 171         return FALSE;
 172
 173     TRACE("%s %s %s %s\n",
 174           debugstr_guid( psNewProv->pgSubject ),
 175           debugstr_w( psNewProv->pwszDLLFileName ),
 176           debugstr_w( psNewProv->pwszMagicNumber ),
 177           debugstr_w( psNewProv->pwszIsFunctionName ) );
 178
 179 #define CRYPT_SIPADDPROV( key, field ) \
 180     CRYPT_SIPWriteFunction( psNewProv->pgSubject, key, \
 181            psNewProv->pwszDLLFileName, psNewProv->field)
 182
 183     CRYPT_SIPADDPROV( szGetSigned, pwszGetFuncName );
 184     CRYPT_SIPADDPROV( szPutSigned, pwszPutFuncName );
 185     CRYPT_SIPADDPROV( szCreate, pwszCreateFuncName );
 186     CRYPT_SIPADDPROV( szVerify, pwszVerifyFuncName );
 187     CRYPT_SIPADDPROV( szRemoveSigned, pwszRemoveFuncName );
 188     CRYPT_SIPADDPROV( szIsMyFile, pwszIsFunctionNameFmt2 );
 189
 190 #undef CRYPT_SIPADDPROV
 191
 192     return TRUE;
 193 }
 194
 195 BOOL WINAPI CryptSIPRetrieveSubjectGuid
 196       (LPCWSTR FileName, HANDLE hFileIn, GUID *pgSubject)
 197 {
 198     FIXME("stub!\n");
 199     return FALSE;
 200 }
 201
 202 BOOL WINAPI CryptSIPLoad
 203        (const GUID *pgSubject, DWORD dwFlags, SIP_DISPATCH_INFO *pSipDispatch)
 204 {
 205     FIXME("stub!\n");
 206     return FALSE;
 207 }
 208
 209 BOOL WINAPI CryptRegisterDefaultOIDFunction(DWORD dwEncodingType,
 210                                      LPCSTR pszFuncName, DWORD dwIndex,
 211                                      LPCWSTR pwszDll)
 212 {
 213     FIXME("(%lx,%s,%lx,%s) stub!\n", dwEncodingType, pszFuncName, dwIndex,
 214           debugstr_w(pwszDll));
 215     return FALSE;
 216 }
 217
 218 struct OIDToAlgID
 219 {
 220     LPCSTR oid;
 221     DWORD algID;
 222 };
 223
 224 static const struct OIDToAlgID oidToAlgID[] = {
 225  { szOID_RSA_RSA, CALG_RSA_KEYX },
 226  { szOID_RSA_MD2RSA, CALG_MD2 },
 227  { szOID_RSA_MD4RSA, CALG_MD4 },
 228  { szOID_RSA_MD5RSA, CALG_MD5 },
 229  { szOID_RSA_SHA1RSA, CALG_SHA },
 230  { szOID_RSA_DH, CALG_DH_SF },
 231  { szOID_RSA_SMIMEalgESDH, CALG_DH_EPHEM },
 232  { szOID_RSA_SMIMEalgCMS3DESwrap, CALG_3DES },
 233  { szOID_RSA_SMIMEalgCMSRC2wrap, CALG_RC2 },
 234  { szOID_RSA_MD2, CALG_MD2 },
 235  { szOID_RSA_MD4, CALG_MD4 },
 236  { szOID_RSA_MD5, CALG_MD5 },
 237  { szOID_RSA_RC2CBC, CALG_RC2 },
 238  { szOID_RSA_RC4, CALG_RC4 },
 239  { szOID_RSA_DES_EDE3_CBC, CALG_3DES },
 240  { szOID_ANSI_X942_DH, CALG_DH_SF },
 241  { szOID_X957_DSA, CALG_DSS_SIGN },
 242  { szOID_X957_SHA1DSA, CALG_SHA },
 243  { szOID_OIWSEC_md4RSA, CALG_MD4 },
 244  { szOID_OIWSEC_md5RSA, CALG_MD5 },
 245  { szOID_OIWSEC_md4RSA2, CALG_MD4 },
 246  { szOID_OIWSEC_desCBC, CALG_DES },
 247  { szOID_OIWSEC_dsa, CALG_DSS_SIGN },
 248  { szOID_OIWSEC_shaDSA, CALG_SHA },
 249  { szOID_OIWSEC_shaRSA, CALG_SHA },
 250  { szOID_OIWSEC_sha, CALG_SHA },
 251  { szOID_OIWSEC_rsaXchg, CALG_RSA_KEYX },
 252  { szOID_OIWSEC_sha1, CALG_SHA },
 253  { szOID_OIWSEC_dsaSHA1, CALG_SHA },
 254  { szOID_OIWSEC_sha1RSASign, CALG_SHA },
 255  { szOID_OIWDIR_md2RSA, CALG_MD2 },
 256  { szOID_INFOSEC_mosaicUpdatedSig, CALG_SHA },
 257  { szOID_INFOSEC_mosaicKMandUpdSig, CALG_DSS_SIGN },
 258 };
 259
 260 LPCSTR WINAPI CertAlgIdToOID(DWORD dwAlgId)
 261 {
 262     switch (dwAlgId)
 263     {
 264     case CALG_RSA_KEYX:
 265         return szOID_RSA_RSA;
 266     case CALG_DH_EPHEM:
 267         return szOID_RSA_SMIMEalgESDH;
 268     case CALG_MD2:
 269         return szOID_RSA_MD2;
 270     case CALG_MD4:
 271         return szOID_RSA_MD4;
 272     case CALG_MD5:
 273         return szOID_RSA_MD5;
 274     case CALG_RC2:
 275         return szOID_RSA_RC2CBC;
 276     case CALG_RC4:
 277         return szOID_RSA_RC4;
 278     case CALG_3DES:
 279         return szOID_RSA_DES_EDE3_CBC;
 280     case CALG_DH_SF:
 281         return szOID_ANSI_X942_DH;
 282     case CALG_DSS_SIGN:
 283         return szOID_X957_DSA;
 284     case CALG_DES:
 285         return szOID_OIWSEC_desCBC;
 286     case CALG_SHA:
 287         return szOID_OIWSEC_sha1;
 288     default:
 289         return NULL;
 290     }
 291 }
 292
 293 DWORD WINAPI CertOIDToAlgId(LPCSTR pszObjId)
 294 {
 295     int i;
 296
 297     if (pszObjId)
 298     {
 299         for (i = 0; i < sizeof(oidToAlgID) / sizeof(oidToAlgID[0]); i++)
 300         {
 301             if (!strcmp(pszObjId, oidToAlgID[i].oid))
 302                 return oidToAlgID[i].algID;
 303         }
 304     }
 305     return 0;
 306 }