dlls/crypt32/filestore.c

   1 /*
   2  * Copyright 2004-2007 Juan Lang
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18 #include <stdarg.h>
  19 #include "windef.h"
  20 #include "winbase.h"
  21 #include "wincrypt.h"
  22 #include "winnls.h"
  23 #include "wine/debug.h"
  24 #include "crypt32_private.h"
  25
  26 WINE_DEFAULT_DEBUG_CHANNEL(crypt);
  27
  28 typedef struct _WINE_FILESTOREINFO
  29 {
  30     DWORD      dwOpenFlags;
  31     HCERTSTORE memStore;
  32     HANDLE     file;
  33     BOOL       dirty;
  34 } WINE_FILESTOREINFO, *PWINE_FILESTOREINFO;
  35
  36 static void WINAPI CRYPT_FileCloseStore(HCERTSTORE hCertStore, DWORD dwFlags)
  37 {
  38     PWINE_FILESTOREINFO store = (PWINE_FILESTOREINFO)hCertStore;
  39
  40     TRACE("(%p, %08x)\n", store, dwFlags);
  41     if (store->dirty)
  42         CRYPT_WriteSerializedFile(store->file, store->memStore);
  43     CertCloseStore(store->memStore, dwFlags);
  44     CloseHandle(store->file);
  45     CryptMemFree(store);
  46 }
  47
  48 static BOOL WINAPI CRYPT_FileWriteCert(HCERTSTORE hCertStore,
  49  PCCERT_CONTEXT cert, DWORD dwFlags)
  50 {
  51     PWINE_FILESTOREINFO store = (PWINE_FILESTOREINFO)hCertStore;
  52
  53     TRACE("(%p, %p, %d)\n", hCertStore, cert, dwFlags);
  54     store->dirty = TRUE;
  55     return TRUE;
  56 }
  57
  58 static BOOL WINAPI CRYPT_FileDeleteCert(HCERTSTORE hCertStore,
  59  PCCERT_CONTEXT pCertContext, DWORD dwFlags)
  60 {
  61     PWINE_FILESTOREINFO store = (PWINE_FILESTOREINFO)hCertStore;
  62
  63     TRACE("(%p, %p, %08x)\n", hCertStore, pCertContext, dwFlags);
  64     store->dirty = TRUE;
  65     return TRUE;
  66 }
  67
  68 static BOOL WINAPI CRYPT_FileWriteCRL(HCERTSTORE hCertStore,
  69  PCCRL_CONTEXT crl, DWORD dwFlags)
  70 {
  71     PWINE_FILESTOREINFO store = (PWINE_FILESTOREINFO)hCertStore;
  72
  73     TRACE("(%p, %p, %d)\n", hCertStore, crl, dwFlags);
  74     store->dirty = TRUE;
  75     return TRUE;
  76 }
  77
  78 static BOOL WINAPI CRYPT_FileDeleteCRL(HCERTSTORE hCertStore,
  79  PCCRL_CONTEXT pCrlContext, DWORD dwFlags)
  80 {
  81     PWINE_FILESTOREINFO store = (PWINE_FILESTOREINFO)hCertStore;
  82
  83     TRACE("(%p, %p, %08x)\n", hCertStore, pCrlContext, dwFlags);
  84     store->dirty = TRUE;
  85     return TRUE;
  86 }
  87
  88 static BOOL WINAPI CRYPT_FileControl(HCERTSTORE hCertStore, DWORD dwFlags,
  89  DWORD dwCtrlType, void const *pvCtrlPara)
  90 {
  91     PWINE_FILESTOREINFO store = (PWINE_FILESTOREINFO)hCertStore;
  92     BOOL ret;
  93
  94     TRACE("(%p, %08x, %d, %p)\n", hCertStore, dwFlags, dwCtrlType,
  95      pvCtrlPara);
  96
  97     switch (dwCtrlType)
  98     {
  99     case CERT_STORE_CTRL_RESYNC:
 100         CRYPT_EmptyStore(store->memStore);
 101         CRYPT_ReadSerializedFile(store->file, store);
 102         ret = TRUE;
 103         break;
 104     case CERT_STORE_CTRL_COMMIT:
 105         if (!(store->dwOpenFlags & CERT_FILE_STORE_COMMIT_ENABLE_FLAG))
 106         {
 107             SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 108             ret = FALSE;
 109         }
 110         else if (store->dirty)
 111             ret = CRYPT_WriteSerializedFile(store->file, store->memStore);
 112         else
 113             ret = TRUE;
 114         break;
 115     default:
 116         FIXME("%d: stub\n", dwCtrlType);
 117         ret = FALSE;
 118     }
 119     return ret;
 120 }
 121
 122 static void *fileProvFuncs[] = {
 123     CRYPT_FileCloseStore,
 124     NULL, /* CERT_STORE_PROV_READ_CERT_FUNC */
 125     CRYPT_FileWriteCert,
 126     CRYPT_FileDeleteCert,
 127     NULL, /* CERT_STORE_PROV_SET_CERT_PROPERTY_FUNC */
 128     NULL, /* CERT_STORE_PROV_READ_CRL_FUNC */
 129     CRYPT_FileWriteCRL,
 130     CRYPT_FileDeleteCRL,
 131     NULL, /* CERT_STORE_PROV_SET_CRL_PROPERTY_FUNC */
 132     NULL, /* CERT_STORE_PROV_READ_CTL_FUNC */
 133     NULL, /* CERT_STORE_PROV_WRITE_CTL_FUNC */
 134     NULL, /* CERT_STORE_PROV_DELETE_CTL_FUNC */
 135     NULL, /* CERT_STORE_PROV_SET_CTL_PROPERTY_FUNC */
 136     CRYPT_FileControl,
 137 };
 138
 139 PWINECRYPT_CERTSTORE CRYPT_FileOpenStore(HCRYPTPROV hCryptProv, DWORD dwFlags,
 140  const void *pvPara)
 141 {
 142     PWINECRYPT_CERTSTORE store = NULL;
 143     HANDLE file = (HANDLE)pvPara;
 144
 145     TRACE("(%ld, %08x, %p)\n", hCryptProv, dwFlags, pvPara);
 146
 147     if (!pvPara)
 148     {
 149         SetLastError(ERROR_INVALID_HANDLE);
 150         return NULL;
 151     }
 152     if (dwFlags & CERT_STORE_DELETE_FLAG)
 153     {
 154         SetLastError(E_INVALIDARG);
 155         return NULL;
 156     }
 157     if ((dwFlags & CERT_STORE_READONLY_FLAG) &&
 158      (dwFlags & CERT_FILE_STORE_COMMIT_ENABLE_FLAG))
 159     {
 160         SetLastError(E_INVALIDARG);
 161         return NULL;
 162     }
 163
 164     if (DuplicateHandle(GetCurrentProcess(), (HANDLE)pvPara,
 165      GetCurrentProcess(), &file, dwFlags & CERT_STORE_READONLY_FLAG ?
 166      GENERIC_READ : GENERIC_READ | GENERIC_WRITE, TRUE, 0))
 167     {
 168         PWINECRYPT_CERTSTORE memStore;
 169
 170         memStore = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, 0,
 171          CERT_STORE_CREATE_NEW_FLAG, NULL);
 172         if (memStore)
 173         {
 174             if (CRYPT_ReadSerializedFile(file, memStore))
 175             {
 176                 PWINE_FILESTOREINFO info = CryptMemAlloc(
 177                  sizeof(WINE_FILESTOREINFO));
 178
 179                 if (info)
 180                 {
 181                     CERT_STORE_PROV_INFO provInfo = { 0 };
 182
 183                     info->dwOpenFlags = dwFlags;
 184                     info->memStore = memStore;
 185                     info->file = file;
 186                     info->dirty = FALSE;
 187                     provInfo.cbSize = sizeof(provInfo);
 188                     provInfo.cStoreProvFunc = sizeof(fileProvFuncs) /
 189                      sizeof(fileProvFuncs[0]);
 190                     provInfo.rgpvStoreProvFunc = fileProvFuncs;
 191                     provInfo.hStoreProv = info;
 192                     store = CRYPT_ProvCreateStore(dwFlags, memStore, &provInfo);
 193                     /* File store doesn't need crypto provider, so close it */
 194                     if (hCryptProv &&
 195                      !(dwFlags & CERT_STORE_NO_CRYPT_RELEASE_FLAG))
 196                         CryptReleaseContext(hCryptProv, 0);
 197                 }
 198             }
 199         }
 200     }
 201     TRACE("returning %p\n", store);
 202     return store;
 203 }
 204
 205 PWINECRYPT_CERTSTORE CRYPT_FileNameOpenStoreW(HCRYPTPROV hCryptProv,
 206  DWORD dwFlags, const void *pvPara)
 207 {
 208     HCERTSTORE store = 0;
 209     LPCWSTR fileName = (LPCWSTR)pvPara;
 210     DWORD access, create;
 211     HANDLE file;
 212
 213     TRACE("(%ld, %08x, %s)\n", hCryptProv, dwFlags, debugstr_w(fileName));
 214
 215     if (!fileName)
 216     {
 217         SetLastError(ERROR_PATH_NOT_FOUND);
 218         return NULL;
 219     }
 220
 221     access = GENERIC_READ;
 222     if (dwFlags & CERT_FILE_STORE_COMMIT_ENABLE_FLAG)
 223         access |= GENERIC_WRITE;
 224     if (dwFlags & CERT_STORE_CREATE_NEW_FLAG)
 225         create = CREATE_NEW;
 226     else if (dwFlags & CERT_STORE_OPEN_EXISTING_FLAG)
 227         create = OPEN_EXISTING;
 228     else
 229         create = OPEN_ALWAYS;
 230     file = CreateFileW(fileName, access, FILE_SHARE_READ, NULL, create,
 231      FILE_ATTRIBUTE_NORMAL, NULL);
 232     if (file != INVALID_HANDLE_VALUE)
 233     {
 234         /* FIXME: need to check whether it's a serialized store; if not, fall
 235          * back to a PKCS#7 signed message, then to a single serialized cert.
 236          */
 237         store = CertOpenStore(CERT_STORE_PROV_FILE, 0, hCryptProv, dwFlags,
 238          file);
 239         CloseHandle(file);
 240     }
 241     return (PWINECRYPT_CERTSTORE)store;
 242 }
 243
 244 PWINECRYPT_CERTSTORE CRYPT_FileNameOpenStoreA(HCRYPTPROV hCryptProv,
 245  DWORD dwFlags, const void *pvPara)
 246 {
 247     int len;
 248     PWINECRYPT_CERTSTORE ret = NULL;
 249
 250     TRACE("(%ld, %08x, %s)\n", hCryptProv, dwFlags,
 251      debugstr_a((LPCSTR)pvPara));
 252
 253     if (!pvPara)
 254     {
 255         SetLastError(ERROR_FILE_NOT_FOUND);
 256         return NULL;
 257     }
 258     len = MultiByteToWideChar(CP_ACP, 0, (LPCSTR)pvPara, -1, NULL, 0);
 259     if (len)
 260     {
 261         LPWSTR storeName = CryptMemAlloc(len * sizeof(WCHAR));
 262
 263         if (storeName)
 264         {
 265             MultiByteToWideChar(CP_ACP, 0, (LPCSTR)pvPara, -1, storeName, len);
 266             ret = CRYPT_FileNameOpenStoreW(hCryptProv, dwFlags, storeName);
 267             CryptMemFree(storeName);
 268         }
 269     }
 270     return ret;
 271 }