dlls/advapi32/cred.c

   1 /*
   2  * Credential Management APIs
   3  *
   4  * Copyright 2007 Robert Shearman for CodeWeavers
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22 #include <time.h>
  23
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "winreg.h"
  27 #include "wincred.h"
  28 #include "winternl.h"
  29
  30 #ifdef __APPLE__
  31 # include <Security/SecKeychain.h>
  32 # include <Security/SecKeychainItem.h>
  33 # include <Security/SecKeychainSearch.h>
  34 #endif
  35
  36 #include "crypt.h"
  37
  38 #include "wine/unicode.h"
  39 #include "wine/debug.h"
  40
  41 WINE_DEFAULT_DEBUG_CHANNEL(cred);
  42
  43 /* the size of the ARC4 key used to encrypt the password data */
  44 #define KEY_SIZE 8
  45
  46 static const WCHAR wszCredentialManagerKey[] = {'S','o','f','t','w','a','r','e','\\','W','i','n','e','\\',
  47     'C','r','e','d','e','n','t','i','a','l',' ','M','a','n','a','g','e','r',0};
  48 static const WCHAR wszEncryptionKeyValue[] = {'E','n','c','r','y','p','t','i','o','n','K','e','y',0};
  49
  50 static const WCHAR wszFlagsValue[] = {'F','l','a','g','s',0};
  51 static const WCHAR wszTypeValue[] = {'T','y','p','e',0};
  52 static const WCHAR wszCommentValue[] = {'C','o','m','m','e','n','t',0};
  53 static const WCHAR wszLastWrittenValue[] = {'L','a','s','t','W','r','i','t','t','e','n',0};
  54 static const WCHAR wszPersistValue[] = {'P','e','r','s','i','s','t',0};
  55 static const WCHAR wszTargetAliasValue[] = {'T','a','r','g','e','t','A','l','i','a','s',0};
  56 static const WCHAR wszUserNameValue[] = {'U','s','e','r','N','a','m','e',0};
  57 static const WCHAR wszPasswordValue[] = {'P','a','s','s','w','o','r','d',0};
  58
  59 static DWORD read_credential_blob(HKEY hkey, const BYTE key_data[KEY_SIZE],
  60                                   LPBYTE credential_blob,
  61                                   DWORD *credential_blob_size)
  62 {
  63     DWORD ret;
  64     DWORD type;
  65
  66     *credential_blob_size = 0;
  67     ret = RegQueryValueExW(hkey, wszPasswordValue, 0, &type, NULL, credential_blob_size);
  68     if (ret != ERROR_SUCCESS)
  69         return ret;
  70     else if (type != REG_BINARY)
  71         return ERROR_REGISTRY_CORRUPT;
  72     if (credential_blob)
  73     {
  74         struct ustring data;
  75         struct ustring key;
  76
  77         ret = RegQueryValueExW(hkey, wszPasswordValue, 0, &type, credential_blob,
  78                                credential_blob_size);
  79         if (ret != ERROR_SUCCESS)
  80             return ret;
  81         else if (type != REG_BINARY)
  82             return ERROR_REGISTRY_CORRUPT;
  83
  84         key.Length = key.MaximumLength = KEY_SIZE;
  85         key.Buffer = (unsigned char *)key_data;
  86
  87         data.Length = data.MaximumLength = *credential_blob_size;
  88         data.Buffer = credential_blob;
  89         SystemFunction032(&data, &key);
  90     }
  91     return ERROR_SUCCESS;
  92 }
  93
  94 static DWORD registry_read_credential(HKEY hkey, PCREDENTIALW credential,
  95                                       const BYTE key_data[KEY_SIZE],
  96                                       char *buffer, DWORD *len)
  97 {
  98     DWORD type;
  99     DWORD ret;
 100     DWORD count;
 101
 102     ret = RegQueryValueExW(hkey, NULL, 0, &type, NULL, &count);
 103     if (ret != ERROR_SUCCESS)
 104         return ret;
 105     else if (type != REG_SZ)
 106         return ERROR_REGISTRY_CORRUPT;
 107     *len += count;
 108     if (credential)
 109     {
 110         credential->TargetName = (LPWSTR)buffer;
 111         ret = RegQueryValueExW(hkey, NULL, 0, &type, (LPVOID)credential->TargetName,
 112                                &count);
 113         if (ret != ERROR_SUCCESS || type != REG_SZ) return ret;
 114         buffer += count;
 115     }
 116
 117     ret = RegQueryValueExW(hkey, wszCommentValue, 0, &type, NULL, &count);
 118     if (ret != ERROR_FILE_NOT_FOUND && ret != ERROR_SUCCESS)
 119         return ret;
 120     else if (type != REG_SZ)
 121         return ERROR_REGISTRY_CORRUPT;
 122     *len += count;
 123     if (credential)
 124     {
 125         credential->Comment = (LPWSTR)buffer;
 126         ret = RegQueryValueExW(hkey, wszCommentValue, 0, &type, (LPVOID)credential->Comment,
 127                                &count);
 128         if (ret == ERROR_FILE_NOT_FOUND)
 129             credential->Comment = NULL;
 130         else if (ret != ERROR_SUCCESS)
 131             return ret;
 132         else if (type != REG_SZ)
 133             return ERROR_REGISTRY_CORRUPT;
 134         else
 135             buffer += count;
 136     }
 137
 138     ret = RegQueryValueExW(hkey, wszTargetAliasValue, 0, &type, NULL, &count);
 139     if (ret != ERROR_FILE_NOT_FOUND && ret != ERROR_SUCCESS)
 140         return ret;
 141     else if (type != REG_SZ)
 142         return ERROR_REGISTRY_CORRUPT;
 143     *len += count;
 144     if (credential)
 145     {
 146         credential->TargetAlias = (LPWSTR)buffer;
 147         ret = RegQueryValueExW(hkey, wszTargetAliasValue, 0, &type, (LPVOID)credential->TargetAlias,
 148                                &count);
 149         if (ret == ERROR_FILE_NOT_FOUND)
 150             credential->TargetAlias = NULL;
 151         else if (ret != ERROR_SUCCESS)
 152             return ret;
 153         else if (type != REG_SZ)
 154             return ERROR_REGISTRY_CORRUPT;
 155         else
 156             buffer += count;
 157     }
 158
 159     ret = RegQueryValueExW(hkey, wszUserNameValue, 0, &type, NULL, &count);
 160     if (ret != ERROR_FILE_NOT_FOUND && ret != ERROR_SUCCESS)
 161         return ret;
 162     else if (type != REG_SZ)
 163         return ERROR_REGISTRY_CORRUPT;
 164     *len += count;
 165     if (credential)
 166     {
 167         credential->UserName = (LPWSTR)buffer;
 168         ret = RegQueryValueExW(hkey, wszUserNameValue, 0, &type, (LPVOID)credential->UserName,
 169                                &count);
 170         if (ret == ERROR_FILE_NOT_FOUND)
 171             credential->UserName = NULL;
 172         else if (ret != ERROR_SUCCESS)
 173             return ret;
 174         else if (type != REG_SZ)
 175             return ERROR_REGISTRY_CORRUPT;
 176         else
 177             buffer += count;
 178     }
 179
 180     ret = read_credential_blob(hkey, key_data, NULL, &count);
 181     if (ret != ERROR_FILE_NOT_FOUND && ret != ERROR_SUCCESS)
 182         return ret;
 183     *len += count;
 184     if (credential)
 185     {
 186         credential->CredentialBlob = (LPBYTE)buffer;
 187         ret = read_credential_blob(hkey, key_data, credential->CredentialBlob, &count);
 188         if (ret == ERROR_FILE_NOT_FOUND)
 189             credential->CredentialBlob = NULL;
 190         else if (ret != ERROR_SUCCESS)
 191             return ret;
 192         credential->CredentialBlobSize = count;
 193         buffer += count;
 194     }
 195
 196     /* FIXME: Attributes */
 197     if (credential)
 198     {
 199         credential->AttributeCount = 0;
 200         credential->Attributes = NULL;
 201     }
 202
 203     if (!credential) return ERROR_SUCCESS;
 204
 205     count = sizeof(credential->Flags);
 206     ret = RegQueryValueExW(hkey, wszFlagsValue, NULL, &type, (LPVOID)&credential->Flags,
 207                            &count);
 208     if (ret != ERROR_SUCCESS)
 209         return ret;
 210     else if (type != REG_DWORD)
 211         return ERROR_REGISTRY_CORRUPT;
 212     count = sizeof(credential->Type);
 213     ret = RegQueryValueExW(hkey, wszTypeValue, NULL, &type, (LPVOID)&credential->Type,
 214                            &count);
 215     if (ret != ERROR_SUCCESS)
 216         return ret;
 217     else if (type != REG_DWORD)
 218         return ERROR_REGISTRY_CORRUPT;
 219
 220     count = sizeof(credential->LastWritten);
 221     ret = RegQueryValueExW(hkey, wszLastWrittenValue, NULL, &type, (LPVOID)&credential->LastWritten,
 222                            &count);
 223     if (ret != ERROR_SUCCESS)
 224         return ret;
 225     else if (type != REG_BINARY)
 226         return ERROR_REGISTRY_CORRUPT;
 227     count = sizeof(credential->Persist);
 228     ret = RegQueryValueExW(hkey, wszPersistValue, NULL, &type, (LPVOID)&credential->Persist,
 229                            &count);
 230     if (ret == ERROR_SUCCESS && type != REG_DWORD)
 231         return ERROR_REGISTRY_CORRUPT;
 232     return ret;
 233 }
 234
 235 #ifdef __APPLE__
 236 static DWORD mac_read_credential_from_item(SecKeychainItemRef item, BOOL require_password,
 237                                            PCREDENTIALW credential, char *buffer,
 238                                            DWORD *len)
 239 {
 240     OSStatus status;
 241     UInt32 i;
 242     UInt32 cred_blob_len;
 243     void *cred_blob;
 244     LPWSTR domain = NULL;
 245     LPWSTR user = NULL;
 246     BOOL user_name_present = FALSE;
 247     SecKeychainAttributeInfo info;
 248     SecKeychainAttributeList *attr_list;
 249     UInt32 info_tags[] = { kSecServerItemAttr, kSecSecurityDomainItemAttr, kSecAccountItemAttr,
 250                            kSecCommentItemAttr, kSecCreationDateItemAttr };
 251     info.count = sizeof(info_tags)/sizeof(info_tags[0]);
 252     info.tag = info_tags;
 253     info.format = NULL;
 254     status = SecKeychainItemCopyAttributesAndData(item, &info, NULL, &attr_list, &cred_blob_len, &cred_blob);
 255     if (status == errSecAuthFailed && !require_password)
 256     {
 257         cred_blob_len = 0;
 258         cred_blob = NULL;
 259         status = SecKeychainItemCopyAttributesAndData(item, &info, NULL, &attr_list, &cred_blob_len, NULL);
 260     }
 261     if (status != noErr)
 262     {
 263         WARN("SecKeychainItemCopyAttributesAndData returned status %ld\n", status);
 264         return ERROR_NOT_FOUND;
 265     }
 266
 267     for (i = 0; i < attr_list->count; i++)
 268         if (attr_list->attr[i].tag == kSecAccountItemAttr && attr_list->attr[i].data)
 269         {
 270             user_name_present = TRUE;
 271             break;
 272         }
 273     if (!user_name_present)
 274     {
 275         WARN("no kSecAccountItemAttr for item\n");
 276         return ERROR_NOT_FOUND;
 277     }
 278
 279     if (buffer)
 280     {
 281         credential->Flags = 0;
 282         credential->Type = CRED_TYPE_DOMAIN_PASSWORD;
 283         credential->TargetName = NULL;
 284         credential->Comment = NULL;
 285         memset(&credential->LastWritten, 0, sizeof(credential->LastWritten));
 286         credential->CredentialBlobSize = 0;
 287         credential->CredentialBlob = NULL;
 288         credential->Persist = CRED_PERSIST_LOCAL_MACHINE;
 289         credential->AttributeCount = 0;
 290         credential->Attributes = NULL;
 291         credential->TargetAlias = NULL;
 292         credential->UserName = NULL;
 293     }
 294     for (i = 0; i < attr_list->count; i++)
 295     {
 296         switch (attr_list->attr[i].tag)
 297         {
 298             case kSecServerItemAttr:
 299                 TRACE("kSecServerItemAttr: %.*s\n", (int)attr_list->attr[i].length,
 300                       (char *)attr_list->attr[i].data);
 301                 if (!attr_list->attr[i].data) continue;
 302                 if (buffer)
 303                 {
 304                     INT str_len;
 305                     credential->TargetName = (LPWSTR)buffer;
 306                     str_len = MultiByteToWideChar(CP_UTF8, 0, attr_list->attr[i].data,
 307                                                   attr_list->attr[i].length, (LPWSTR)buffer, 0xffff);
 308                     credential->TargetName[str_len] = '\0';
 309                     buffer += (str_len + 1) * sizeof(WCHAR);
 310                     *len += (str_len + 1) * sizeof(WCHAR);
 311                 }
 312                 else
 313                 {
 314                     INT str_len;
 315                     str_len = MultiByteToWideChar(CP_UTF8, 0, attr_list->attr[i].data,
 316                                                   attr_list->attr[i].length, NULL, 0);
 317                     *len += (str_len + 1) * sizeof(WCHAR);
 318                 }
 319                 break;
 320             case kSecAccountItemAttr:
 321             {
 322                 INT str_len;
 323                 TRACE("kSecAccountItemAttr: %.*s\n", (int)attr_list->attr[i].length,
 324                       (char *)attr_list->attr[i].data);
 325                 if (!attr_list->attr[i].data) continue;
 326                 str_len = MultiByteToWideChar(CP_UTF8, 0, attr_list->attr[i].data,
 327                                               attr_list->attr[i].length, NULL, 0);
 328                 user = HeapAlloc(GetProcessHeap(), 0, (str_len + 1) * sizeof(WCHAR));
 329                 MultiByteToWideChar(CP_UTF8, 0, attr_list->attr[i].data,
 330                                     attr_list->attr[i].length, user, str_len);
 331                 user[str_len] = '\0';
 332                 break;
 333             }
 334             case kSecCommentItemAttr:
 335                 TRACE("kSecCommentItemAttr: %.*s\n", (int)attr_list->attr[i].length,
 336                       (char *)attr_list->attr[i].data);
 337                 if (!attr_list->attr[i].data) continue;
 338                 if (buffer)
 339                 {
 340                     INT str_len;
 341                     credential->Comment = (LPWSTR)buffer;
 342                     str_len = MultiByteToWideChar(CP_UTF8, 0, attr_list->attr[i].data,
 343                                                   attr_list->attr[i].length, (LPWSTR)buffer, 0xffff);
 344                     credential->Comment[str_len] = '\0';
 345                     buffer += (str_len + 1) * sizeof(WCHAR);
 346                     *len += (str_len + 1) * sizeof(WCHAR);
 347                 }
 348                 else
 349                 {
 350                     INT str_len;
 351                     str_len = MultiByteToWideChar(CP_UTF8, 0, attr_list->attr[i].data,
 352                                                   attr_list->attr[i].length, NULL, 0);
 353                     *len += (str_len + 1) * sizeof(WCHAR);
 354                 }
 355                 break;
 356             case kSecSecurityDomainItemAttr:
 357             {
 358                 INT str_len;
 359                 TRACE("kSecSecurityDomainItemAttr: %.*s\n", (int)attr_list->attr[i].length,
 360                       (char *)attr_list->attr[i].data);
 361                 if (!attr_list->attr[i].data) continue;
 362                 str_len = MultiByteToWideChar(CP_UTF8, 0, attr_list->attr[i].data,
 363                                               attr_list->attr[i].length, NULL, 0);
 364                 domain = HeapAlloc(GetProcessHeap(), 0, (str_len + 1) * sizeof(WCHAR));
 365                 MultiByteToWideChar(CP_UTF8, 0, attr_list->attr[i].data,
 366                                     attr_list->attr[i].length, domain, str_len);
 367                 domain[str_len] = '\0';
 368                 break;
 369             }
 370             case kSecCreationDateItemAttr:
 371                 TRACE("kSecCreationDateItemAttr: %.*s\n", (int)attr_list->attr[i].length,
 372                       (char *)attr_list->attr[i].data);
 373                 if (buffer)
 374                 {
 375                     LARGE_INTEGER win_time;
 376                     struct tm tm;
 377                     time_t time;
 378                     memset(&tm, 0, sizeof(tm));
 379                     strptime(attr_list->attr[i].data, "%Y%m%d%H%M%SZ", &tm);
 380                     time = mktime(&tm);
 381                     RtlSecondsSince1970ToTime(time, &win_time);
 382                     credential->LastWritten.dwLowDateTime = win_time.u.LowPart;
 383                     credential->LastWritten.dwHighDateTime = win_time.u.HighPart;
 384                 }
 385                 break;
 386         }
 387     }
 388
 389     if (user)
 390     {
 391         INT str_len;
 392         if (buffer)
 393             credential->UserName = (LPWSTR)buffer;
 394         if (domain)
 395         {
 396             str_len = strlenW(domain);
 397             *len += (str_len + 1) * sizeof(WCHAR);
 398             if (buffer)
 399             {
 400                 memcpy(credential->UserName, domain, str_len * sizeof(WCHAR));
 401                 /* FIXME: figure out when to use an '@' */
 402                 credential->UserName[str_len] = '\\';
 403                 buffer += (str_len + 1) * sizeof(WCHAR);
 404             }
 405         }
 406         str_len = strlenW(user);
 407         *len += (str_len + 1) * sizeof(WCHAR);
 408         if (buffer)
 409         {
 410             memcpy(buffer, user, (str_len + 1) * sizeof(WCHAR));
 411             buffer += (str_len + 1) * sizeof(WCHAR);
 412             TRACE("UserName = %s\n", debugstr_w(credential->UserName));
 413         }
 414     }
 415     HeapFree(GetProcessHeap(), 0, user);
 416     HeapFree(GetProcessHeap(), 0, domain);
 417
 418     if (cred_blob)
 419     {
 420         if (buffer)
 421         {
 422             INT str_len;
 423             credential->CredentialBlob = (BYTE *)buffer;
 424             str_len = MultiByteToWideChar(CP_UTF8, 0, cred_blob, cred_blob_len,
 425                                           (LPWSTR)buffer, 0xffff);
 426             credential->CredentialBlobSize = str_len * sizeof(WCHAR);
 427             buffer += str_len * sizeof(WCHAR);
 428             *len += str_len * sizeof(WCHAR);
 429         }
 430         else
 431         {
 432             INT str_len;
 433             str_len = MultiByteToWideChar(CP_UTF8, 0, cred_blob, cred_blob_len,
 434                                           NULL, 0);
 435             *len += str_len * sizeof(WCHAR);
 436         }
 437     }
 438     SecKeychainItemFreeAttributesAndData(attr_list, cred_blob);
 439     return ERROR_SUCCESS;
 440 }
 441 #endif
 442
 443 static DWORD write_credential_blob(HKEY hkey, LPCWSTR target_name, DWORD type,
 444                                    const BYTE key_data[KEY_SIZE],
 445                                    const BYTE *credential_blob, DWORD credential_blob_size)
 446 {
 447     LPBYTE encrypted_credential_blob;
 448     struct ustring data;
 449     struct ustring key;
 450     DWORD ret;
 451
 452     key.Length = key.MaximumLength = KEY_SIZE;
 453     key.Buffer = (unsigned char *)key_data;
 454
 455     encrypted_credential_blob = HeapAlloc(GetProcessHeap(), 0, credential_blob_size);
 456     if (!encrypted_credential_blob) return ERROR_OUTOFMEMORY;
 457
 458     memcpy(encrypted_credential_blob, credential_blob, credential_blob_size);
 459     data.Length = data.MaximumLength = credential_blob_size;
 460     data.Buffer = encrypted_credential_blob;
 461     SystemFunction032(&data, &key);
 462
 463     ret = RegSetValueExW(hkey, wszPasswordValue, 0, REG_BINARY, encrypted_credential_blob, credential_blob_size);
 464     HeapFree(GetProcessHeap(), 0, encrypted_credential_blob);
 465
 466     return ret;
 467 }
 468
 469 static DWORD registry_write_credential(HKEY hkey, const CREDENTIALW *credential,
 470                                        const BYTE key_data[KEY_SIZE], BOOL preserve_blob)
 471 {
 472     DWORD ret;
 473     FILETIME LastWritten;
 474
 475     GetSystemTimeAsFileTime(&LastWritten);
 476
 477     ret = RegSetValueExW(hkey, wszFlagsValue, 0, REG_DWORD, (LPVOID)&credential->Flags,
 478                          sizeof(credential->Flags));
 479     if (ret != ERROR_SUCCESS) return ret;
 480     ret = RegSetValueExW(hkey, wszTypeValue, 0, REG_DWORD, (LPVOID)&credential->Type,
 481                          sizeof(credential->Type));
 482     if (ret != ERROR_SUCCESS) return ret;
 483     ret = RegSetValueExW(hkey, NULL, 0, REG_SZ, (LPVOID)credential->TargetName,
 484                          sizeof(WCHAR)*(strlenW(credential->TargetName)+1));
 485     if (ret != ERROR_SUCCESS) return ret;
 486     if (credential->Comment)
 487     {
 488         ret = RegSetValueExW(hkey, wszCommentValue, 0, REG_SZ, (LPVOID)credential->Comment,
 489                              sizeof(WCHAR)*(strlenW(credential->Comment)+1));
 490         if (ret != ERROR_SUCCESS) return ret;
 491     }
 492     ret = RegSetValueExW(hkey, wszLastWrittenValue, 0, REG_BINARY, (LPVOID)&LastWritten,
 493                          sizeof(LastWritten));
 494     if (ret != ERROR_SUCCESS) return ret;
 495     ret = RegSetValueExW(hkey, wszPersistValue, 0, REG_DWORD, (LPVOID)&credential->Persist,
 496                          sizeof(credential->Persist));
 497     if (ret != ERROR_SUCCESS) return ret;
 498     /* FIXME: Attributes */
 499     if (credential->TargetAlias)
 500     {
 501         ret = RegSetValueExW(hkey, wszTargetAliasValue, 0, REG_SZ, (LPVOID)credential->TargetAlias,
 502                              sizeof(WCHAR)*(strlenW(credential->TargetAlias)+1));
 503         if (ret != ERROR_SUCCESS) return ret;
 504     }
 505     if (credential->UserName)
 506     {
 507         ret = RegSetValueExW(hkey, wszUserNameValue, 0, REG_SZ, (LPVOID)credential->UserName,
 508                              sizeof(WCHAR)*(strlenW(credential->UserName)+1));
 509         if (ret != ERROR_SUCCESS) return ret;
 510     }
 511     if (!preserve_blob)
 512     {
 513         ret = write_credential_blob(hkey, credential->TargetName, credential->Type,
 514                                     key_data, credential->CredentialBlob,
 515                                     credential->CredentialBlobSize);
 516     }
 517     return ret;
 518 }
 519
 520 #ifdef __APPLE__
 521 static DWORD mac_write_credential(const CREDENTIALW *credential, BOOL preserve_blob)
 522 {
 523     OSStatus status;
 524     SecKeychainItemRef keychain_item;
 525     char *username;
 526     char *domain = NULL;
 527     char *password;
 528     char *servername;
 529     UInt32 userlen;
 530     UInt32 domainlen = 0;
 531     UInt32 pwlen;
 532     UInt32 serverlen;
 533     LPCWSTR p;
 534     SecKeychainAttribute attrs[1];
 535     SecKeychainAttributeList attr_list;
 536
 537     if (credential->Flags)
 538         FIXME("Flags 0x%x not written\n", credential->Flags);
 539     if (credential->Type != CRED_TYPE_DOMAIN_PASSWORD)
 540         FIXME("credential type of %d not supported\n", credential->Type);
 541     if (credential->Persist != CRED_PERSIST_LOCAL_MACHINE)
 542         FIXME("persist value of %d not supported\n", credential->Persist);
 543     if (credential->AttributeCount)
 544         FIXME("custom attributes not supported\n");
 545
 546     p = strchrW(credential->UserName, '\\');
 547     if (p)
 548     {
 549         domainlen = WideCharToMultiByte(CP_UTF8, 0, credential->UserName,
 550                                         p - credential->UserName, NULL, 0, NULL, NULL);
 551         domain = HeapAlloc(GetProcessHeap(), 0, (domainlen + 1) * sizeof(*domain));
 552         WideCharToMultiByte(CP_UTF8, 0, credential->UserName, p - credential->UserName,
 553                             domain, domainlen, NULL, NULL);
 554         domain[domainlen] = '\0';
 555         p++;
 556     }
 557     else
 558         p = credential->UserName;
 559     userlen = WideCharToMultiByte(CP_UTF8, 0, p, -1, NULL, 0, NULL, NULL);
 560     username = HeapAlloc(GetProcessHeap(), 0, userlen * sizeof(*username));
 561     WideCharToMultiByte(CP_UTF8, 0, p, -1, username, userlen, NULL, NULL);
 562
 563     serverlen = WideCharToMultiByte(CP_UTF8, 0, credential->TargetName, -1, NULL, 0, NULL, NULL);
 564     servername = HeapAlloc(GetProcessHeap(), 0, serverlen * sizeof(*servername));
 565     WideCharToMultiByte(CP_UTF8, 0, credential->TargetName, -1, servername, serverlen, NULL, NULL);
 566     pwlen = WideCharToMultiByte(CP_UTF8, 0, (LPCWSTR)credential->CredentialBlob,
 567                                 credential->CredentialBlobSize / sizeof(WCHAR), NULL, 0, NULL, NULL);
 568     password = HeapAlloc(GetProcessHeap(), 0, pwlen * sizeof(*domain));
 569     WideCharToMultiByte(CP_UTF8, 0, (LPCWSTR)credential->CredentialBlob,
 570                         credential->CredentialBlobSize / sizeof(WCHAR), password, pwlen, NULL, NULL);
 571
 572     TRACE("adding server %s, domain %s, username %s using Keychain\n", servername, domain, username);
 573     status = SecKeychainAddInternetPassword(NULL, strlen(servername), servername,
 574                                             strlen(domain), domain, strlen(username),
 575                                             username, 0, NULL, 0,
 576                                             0 /* no protocol */,
 577                                             kSecAuthenticationTypeDefault,
 578                                             strlen(password), password, &keychain_item);
 579     if (status != noErr)
 580         ERR("SecKeychainAddInternetPassword returned %ld\n", status);
 581     if (status == errSecDuplicateItem)
 582     {
 583         SecKeychainItemRef keychain_item;
 584
 585         status = SecKeychainFindInternetPassword(NULL, strlen(servername), servername,
 586                                                  strlen(domain), domain,
 587                                                  strlen(username), username,
 588                                                  0, NULL /* any path */, 0,
 589                                                  0 /* any protocol */,
 590                                                  0 /* any authentication type */,
 591                                                  0, NULL, &keychain_item);
 592         if (status != noErr)
 593             ERR("SecKeychainFindInternetPassword returned %ld\n", status);
 594     }
 595     HeapFree(GetProcessHeap(), 0, domain);
 596     HeapFree(GetProcessHeap(), 0, username);
 597     HeapFree(GetProcessHeap(), 0, servername);
 598     if (status != noErr)
 599     {
 600         HeapFree(GetProcessHeap(), 0, password);
 601         return ERROR_GEN_FAILURE;
 602     }
 603     if (credential->Comment)
 604     {
 605         attr_list.count = 1;
 606         attr_list.attr = attrs;
 607         attrs[0].tag = kSecCommentItemAttr;
 608         attrs[0].length = WideCharToMultiByte(CP_UTF8, 0, credential->Comment, -1, NULL, 0, NULL, NULL);
 609         if (attrs[0].length) attrs[0].length--;
 610         attrs[0].data = HeapAlloc(GetProcessHeap(), 0, attrs[0].length);
 611         WideCharToMultiByte(CP_UTF8, 0, credential->Comment, -1, attrs[0].data, attrs[0].length, NULL, NULL);
 612     }
 613     else
 614     {
 615         attr_list.count = 0;
 616         attr_list.attr = NULL;
 617     }
 618     status = SecKeychainItemModifyAttributesAndData(keychain_item, &attr_list,
 619                                                     preserve_blob ? 0 : strlen(password),
 620                                                     preserve_blob ? NULL : password);
 621     if (credential->Comment)
 622         HeapFree(GetProcessHeap(), 0, attrs[0].data);
 623     HeapFree(GetProcessHeap(), 0, password);
 624     /* FIXME: set TargetAlias attribute */
 625     CFRelease(keychain_item);
 626     return ERROR_SUCCESS;
 627 }
 628 #endif
 629
 630 static DWORD open_cred_mgr_key(HKEY *hkey, BOOL open_for_write)
 631 {
 632     return RegCreateKeyExW(HKEY_CURRENT_USER, wszCredentialManagerKey, 0,
 633                            NULL, REG_OPTION_NON_VOLATILE,
 634                            KEY_READ | (open_for_write ? KEY_WRITE : 0), NULL, hkey, NULL);
 635 }
 636
 637 static DWORD get_cred_mgr_encryption_key(HKEY hkeyMgr, BYTE key_data[KEY_SIZE])
 638 {
 639     static const BYTE my_key_data[KEY_SIZE] = { 0 };
 640     DWORD type;
 641     DWORD count;
 642     FILETIME ft;
 643     ULONG seed;
 644     ULONG value;
 645     DWORD ret;
 646
 647     memcpy(key_data, my_key_data, KEY_SIZE);
 648
 649     count = KEY_SIZE;
 650     ret = RegQueryValueExW(hkeyMgr, wszEncryptionKeyValue, NULL, &type, key_data,
 651                            &count);
 652     if (ret == ERROR_SUCCESS)
 653     {
 654         if (type != REG_BINARY)
 655             return ERROR_REGISTRY_CORRUPT;
 656         else
 657             return ERROR_SUCCESS;
 658     }
 659     if (ret != ERROR_FILE_NOT_FOUND)
 660         return ret;
 661
 662     GetSystemTimeAsFileTime(&ft);
 663     seed = ft.dwLowDateTime;
 664     value = RtlUniform(&seed);
 665     *(DWORD *)key_data = value;
 666     seed = ft.dwHighDateTime;
 667     value = RtlUniform(&seed);
 668     *(DWORD *)(key_data + 4) = value;
 669
 670     ret = RegSetValueExW(hkeyMgr, wszEncryptionKeyValue, 0, REG_BINARY,
 671                          key_data, KEY_SIZE);
 672     if (ret == ERROR_ACCESS_DENIED)
 673     {
 674         ret = open_cred_mgr_key(&hkeyMgr, TRUE);
 675         if (ret == ERROR_SUCCESS)
 676         {
 677             ret = RegSetValueExW(hkeyMgr, wszEncryptionKeyValue, 0, REG_BINARY,
 678                                  key_data, KEY_SIZE);
 679             RegCloseKey(hkeyMgr);
 680         }
 681     }
 682     return ret;
 683 }
 684
 685 static LPWSTR get_key_name_for_target(LPCWSTR target_name, DWORD type)
 686 {
 687     static const WCHAR wszGenericPrefix[] = {'G','e','n','e','r','i','c',':',' ',0};
 688     static const WCHAR wszDomPasswdPrefix[] = {'D','o','m','P','a','s','s','w','d',':',' ',0};
 689     INT len;
 690     LPCWSTR prefix = NULL;
 691     LPWSTR key_name, p;
 692
 693     len = strlenW(target_name);
 694     if (type == CRED_TYPE_GENERIC)
 695     {
 696         prefix = wszGenericPrefix;
 697         len += sizeof(wszGenericPrefix)/sizeof(wszGenericPrefix[0]);
 698     }
 699     else
 700     {
 701         prefix = wszDomPasswdPrefix;
 702         len += sizeof(wszDomPasswdPrefix)/sizeof(wszDomPasswdPrefix[0]);
 703     }
 704
 705     key_name = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 706     if (!key_name) return NULL;
 707
 708     strcpyW(key_name, prefix);
 709     strcatW(key_name, target_name);
 710
 711     for (p = key_name; *p; p++)
 712         if (*p == '\\') *p = '_';
 713
 714     return key_name;
 715 }
 716
 717 static BOOL credential_matches_filter(HKEY hkeyCred, LPCWSTR filter)
 718 {
 719     LPWSTR target_name;
 720     DWORD ret;
 721     DWORD type;
 722     DWORD count;
 723     LPCWSTR p;
 724
 725     if (!filter) return TRUE;
 726
 727     ret = RegQueryValueExW(hkeyCred, NULL, 0, &type, NULL, &count);
 728     if (ret != ERROR_SUCCESS)
 729         return FALSE;
 730     else if (type != REG_SZ)
 731         return FALSE;
 732
 733     target_name = HeapAlloc(GetProcessHeap(), 0, count);
 734     if (!target_name)
 735         return FALSE;
 736     ret = RegQueryValueExW(hkeyCred, NULL, 0, &type, (LPVOID)target_name, &count);
 737     if (ret != ERROR_SUCCESS || type != REG_SZ)
 738     {
 739         HeapFree(GetProcessHeap(), 0, target_name);
 740         return FALSE;
 741     }
 742
 743     TRACE("comparing filter %s to target name %s\n", debugstr_w(filter),
 744           debugstr_w(target_name));
 745
 746     p = strchrW(filter, '*');
 747     ret = CompareStringW(GetThreadLocale(), 0, filter,
 748                          (p && !p[1] ? p - filter : -1), target_name,
 749                          (p && !p[1] ? p - filter : -1)) == CSTR_EQUAL;
 750
 751     HeapFree(GetProcessHeap(), 0, target_name);
 752     return ret;
 753 }
 754
 755 static DWORD registry_enumerate_credentials(HKEY hkeyMgr, LPCWSTR filter,
 756                                             LPWSTR target_name,
 757                                             DWORD target_name_len, BYTE key_data[KEY_SIZE],
 758                                             PCREDENTIALW *credentials, char **buffer,
 759                                             DWORD *len, DWORD *count)
 760 {
 761     DWORD i;
 762     DWORD ret;
 763     for (i = 0;; i++)
 764     {
 765         HKEY hkeyCred;
 766         ret = RegEnumKeyW(hkeyMgr, i, target_name, target_name_len+1);
 767         if (ret == ERROR_NO_MORE_ITEMS)
 768         {
 769             ret = ERROR_SUCCESS;
 770             break;
 771         }
 772         else if (ret != ERROR_SUCCESS)
 773         {
 774             ret = ERROR_SUCCESS;
 775             continue;
 776         }
 777         TRACE("target_name = %s\n", debugstr_w(target_name));
 778         ret = RegOpenKeyExW(hkeyMgr, target_name, 0, KEY_QUERY_VALUE, &hkeyCred);
 779         if (ret != ERROR_SUCCESS)
 780         {
 781             ret = ERROR_SUCCESS;
 782             continue;
 783         }
 784         if (!credential_matches_filter(hkeyCred, filter))
 785         {
 786             RegCloseKey(hkeyCred);
 787             continue;
 788         }
 789         if (buffer)
 790         {
 791             *len = sizeof(CREDENTIALW);
 792             credentials[*count] = (PCREDENTIALW)*buffer;
 793         }
 794         else
 795             *len += sizeof(CREDENTIALW);
 796         ret = registry_read_credential(hkeyCred, buffer ? credentials[*count] : NULL,
 797                                        key_data, buffer ? *buffer + sizeof(CREDENTIALW) : NULL,
 798                                        len);
 799         RegCloseKey(hkeyCred);
 800         if (ret != ERROR_SUCCESS) break;
 801         if (buffer) *buffer += *len;
 802         (*count)++;
 803     }
 804     return ret;
 805 }
 806
 807 #ifdef __APPLE__
 808 static DWORD mac_enumerate_credentials(LPCWSTR filter, PCREDENTIALW *credentials,
 809                                        char *buffer, DWORD *len, DWORD *count)
 810 {
 811     SecKeychainSearchRef search;
 812     SecKeychainItemRef item;
 813     OSStatus status;
 814     Boolean saved_user_interaction_allowed;
 815     DWORD ret;
 816
 817     SecKeychainGetUserInteractionAllowed(&saved_user_interaction_allowed);
 818     SecKeychainSetUserInteractionAllowed(false);
 819
 820     status = SecKeychainSearchCreateFromAttributes(NULL, kSecInternetPasswordItemClass, NULL, &search);
 821     if (status == noErr)
 822     {
 823         while (SecKeychainSearchCopyNext(search, &item) == noErr)
 824         {
 825             SecKeychainAttributeInfo info;
 826             SecKeychainAttributeList *attr_list;
 827             UInt32 info_tags[] = { kSecServerItemAttr };
 828             info.count = sizeof(info_tags)/sizeof(info_tags[0]);
 829             info.tag = info_tags;
 830             info.format = NULL;
 831             status = SecKeychainItemCopyAttributesAndData(item, &info, NULL, &attr_list, NULL, NULL);
 832             if (status != noErr)
 833             {
 834                 WARN("SecKeychainItemCopyAttributesAndData returned status %ld\n", status);
 835                 continue;
 836             }
 837             if (buffer)
 838             {
 839                 *len = sizeof(CREDENTIALW);
 840                 credentials[*count] = (PCREDENTIALW)buffer;
 841             }
 842             else
 843                 *len += sizeof(CREDENTIALW);
 844             if (attr_list->count != 1 || attr_list->attr[0].tag != kSecServerItemAttr) continue;
 845             TRACE("server item: %.*s\n", (int)attr_list->attr[0].length, (char *)attr_list->attr[0].data);
 846             /* FIXME: filter based on attr_list->attr[0].data */
 847             SecKeychainItemFreeAttributesAndData(attr_list, NULL);
 848             ret = mac_read_credential_from_item(item, FALSE,
 849                                                 buffer ? credentials[*count] : NULL,
 850                                                 buffer ? buffer + sizeof(CREDENTIALW) : NULL,
 851                                                 len);
 852             CFRelease(item);
 853             if (ret == ERROR_SUCCESS)
 854             {
 855                 (*count)++;
 856                 if (buffer) buffer += *len;
 857             }
 858         }
 859         CFRelease(search);
 860     }
 861     else
 862         ERR("SecKeychainSearchCreateFromAttributes returned status %ld\n", status);
 863     SecKeychainSetUserInteractionAllowed(saved_user_interaction_allowed);
 864     return ERROR_SUCCESS;
 865 }
 866
 867 static DWORD mac_delete_credential(LPCWSTR TargetName)
 868 {
 869     OSStatus status;
 870     SecKeychainSearchRef search;
 871     status = SecKeychainSearchCreateFromAttributes(NULL, kSecInternetPasswordItemClass, NULL, &search);
 872     if (status == noErr)
 873     {
 874         SecKeychainItemRef item;
 875         while (SecKeychainSearchCopyNext(search, &item) == noErr)
 876         {
 877             SecKeychainAttributeInfo info;
 878             SecKeychainAttributeList *attr_list;
 879             UInt32 info_tags[] = { kSecServerItemAttr };
 880             LPWSTR target_name;
 881             INT str_len;
 882             info.count = sizeof(info_tags)/sizeof(info_tags[0]);
 883             info.tag = info_tags;
 884             info.format = NULL;
 885             status = SecKeychainItemCopyAttributesAndData(item, &info, NULL, &attr_list, NULL, NULL);
 886             if (status != noErr)
 887             {
 888                 WARN("SecKeychainItemCopyAttributesAndData returned status %ld\n", status);
 889                 continue;
 890             }
 891             if (attr_list->count != 1 || attr_list->attr[0].tag != kSecServerItemAttr)
 892             {
 893                 CFRelease(item);
 894                 continue;
 895             }
 896             str_len = MultiByteToWideChar(CP_UTF8, 0, attr_list->attr[0].data, attr_list->attr[0].length, NULL, 0);
 897             target_name = HeapAlloc(GetProcessHeap(), 0, (str_len + 1) * sizeof(WCHAR));
 898             MultiByteToWideChar(CP_UTF8, 0, attr_list->attr[0].data, attr_list->attr[0].length, target_name, str_len);
 899             /* nul terminate */
 900             target_name[str_len] = '\0';
 901             if (strcmpiW(TargetName, target_name))
 902             {
 903                 CFRelease(item);
 904                 HeapFree(GetProcessHeap(), 0, target_name);
 905                 continue;
 906             }
 907             HeapFree(GetProcessHeap(), 0, target_name);
 908             SecKeychainItemFreeAttributesAndData(attr_list, NULL);
 909             SecKeychainItemDelete(item);
 910             CFRelease(item);
 911             CFRelease(search);
 912
 913             return ERROR_SUCCESS;
 914         }
 915         CFRelease(search);
 916     }
 917     return ERROR_NOT_FOUND;
 918 }
 919 #endif
 920
 921 /******************************************************************************
 922  * convert_PCREDENTIALW_to_PCREDENTIALA [internal]
 923  *
 924  * convert a Credential struct from UNICODE to ANSI and return the needed size in Bytes
 925  *
 926  */
 927
 928 static INT convert_PCREDENTIALW_to_PCREDENTIALA(const CREDENTIALW *CredentialW, PCREDENTIALA CredentialA, INT len)
 929 {
 930     char *buffer;
 931     INT string_len;
 932     INT needed = sizeof(CREDENTIALA);
 933
 934     if (!CredentialA)
 935     {
 936         if (CredentialW->TargetName)
 937             needed += WideCharToMultiByte(CP_ACP, 0, CredentialW->TargetName, -1, NULL, 0, NULL, NULL);
 938         if (CredentialW->Comment)
 939             needed += WideCharToMultiByte(CP_ACP, 0, CredentialW->Comment, -1, NULL, 0, NULL, NULL);
 940         needed += CredentialW->CredentialBlobSize;
 941         if (CredentialW->TargetAlias)
 942             needed += WideCharToMultiByte(CP_ACP, 0, CredentialW->TargetAlias, -1, NULL, 0, NULL, NULL);
 943         if (CredentialW->UserName)
 944             needed += WideCharToMultiByte(CP_ACP, 0, CredentialW->UserName, -1, NULL, 0, NULL, NULL);
 945
 946         return needed;
 947     }
 948
 949
 950     buffer = (char *)CredentialA + sizeof(CREDENTIALA);
 951     len -= sizeof(CREDENTIALA);
 952     CredentialA->Flags = CredentialW->Flags;
 953     CredentialA->Type = CredentialW->Type;
 954
 955     if (CredentialW->TargetName)
 956     {
 957         CredentialA->TargetName = buffer;
 958         string_len = WideCharToMultiByte(CP_ACP, 0, CredentialW->TargetName, -1, buffer, len, NULL, NULL);
 959         buffer += string_len;
 960         needed += string_len;
 961         len -= string_len;
 962     }
 963     else
 964         CredentialA->TargetName = NULL;
 965     if (CredentialW->Comment)
 966     {
 967         CredentialA->Comment = buffer;
 968         string_len = WideCharToMultiByte(CP_ACP, 0, CredentialW->Comment, -1, buffer, len, NULL, NULL);
 969         buffer += string_len;
 970         needed += string_len;
 971         len -= string_len;
 972     }
 973     else
 974         CredentialA->Comment = NULL;
 975     CredentialA->LastWritten = CredentialW->LastWritten;
 976     CredentialA->CredentialBlobSize = CredentialW->CredentialBlobSize;
 977     if (CredentialW->CredentialBlobSize && (CredentialW->CredentialBlobSize <= len))
 978     {
 979         CredentialA->CredentialBlob =(LPBYTE)buffer;
 980         memcpy(CredentialA->CredentialBlob, CredentialW->CredentialBlob,
 981                CredentialW->CredentialBlobSize);
 982         buffer += CredentialW->CredentialBlobSize;
 983         needed += CredentialW->CredentialBlobSize;
 984         len -= CredentialW->CredentialBlobSize;
 985     }
 986     else
 987         CredentialA->CredentialBlob = NULL;
 988     CredentialA->Persist = CredentialW->Persist;
 989     CredentialA->AttributeCount = 0;
 990     CredentialA->Attributes = NULL; /* FIXME */
 991     if (CredentialW->TargetAlias)
 992     {
 993         CredentialA->TargetAlias = buffer;
 994         string_len = WideCharToMultiByte(CP_ACP, 0, CredentialW->TargetAlias, -1, buffer, len, NULL, NULL);
 995         buffer += string_len;
 996         needed += string_len;
 997         len -= string_len;
 998     }
 999     else
1000         CredentialA->TargetAlias = NULL;
1001     if (CredentialW->UserName)
1002     {
1003         CredentialA->UserName = buffer;
1004         string_len = WideCharToMultiByte(CP_ACP, 0, CredentialW->UserName, -1, buffer, len, NULL, NULL);
1005         needed += string_len;
1006     }
1007     else
1008         CredentialA->UserName = NULL;
1009
1010     return needed;
1011 }
1012
1013 /******************************************************************************
1014  * convert_PCREDENTIALA_to_PCREDENTIALW [internal]
1015  *
1016  * convert a Credential struct from ANSI to UNICODE and return the needed size in Bytes
1017  *
1018  */
1019 static INT convert_PCREDENTIALA_to_PCREDENTIALW(const CREDENTIALA *CredentialA, PCREDENTIALW CredentialW, INT len)
1020 {
1021     char *buffer;
1022     INT string_len;
1023     INT needed = sizeof(CREDENTIALW);
1024
1025     if (!CredentialW)
1026     {
1027         if (CredentialA->TargetName)
1028             needed += sizeof(WCHAR) * MultiByteToWideChar(CP_ACP, 0, CredentialA->TargetName, -1, NULL, 0);
1029         if (CredentialA->Comment)
1030             needed += sizeof(WCHAR) * MultiByteToWideChar(CP_ACP, 0, CredentialA->Comment, -1, NULL, 0);
1031         needed += CredentialA->CredentialBlobSize;
1032         if (CredentialA->TargetAlias)
1033             needed += sizeof(WCHAR) * MultiByteToWideChar(CP_ACP, 0, CredentialA->TargetAlias, -1, NULL, 0);
1034         if (CredentialA->UserName)
1035             needed += sizeof(WCHAR) * MultiByteToWideChar(CP_ACP, 0, CredentialA->UserName, -1, NULL, 0);
1036
1037         return needed;
1038     }
1039
1040     buffer = (char *)CredentialW + sizeof(CREDENTIALW);
1041     len -= sizeof(CREDENTIALW);
1042     CredentialW->Flags = CredentialA->Flags;
1043     CredentialW->Type = CredentialA->Type;
1044     if (CredentialA->TargetName)
1045     {
1046         CredentialW->TargetName = (LPWSTR)buffer;
1047         string_len = MultiByteToWideChar(CP_ACP, 0, CredentialA->TargetName, -1, CredentialW->TargetName, len / sizeof(WCHAR));
1048         buffer += sizeof(WCHAR) * string_len;
1049         needed += sizeof(WCHAR) * string_len;
1050         len -= sizeof(WCHAR) * string_len;
1051     }
1052     else
1053         CredentialW->TargetName = NULL;
1054     if (CredentialA->Comment)
1055     {
1056         CredentialW->Comment = (LPWSTR)buffer;
1057         string_len = MultiByteToWideChar(CP_ACP, 0, CredentialA->Comment, -1, CredentialW->Comment, len / sizeof(WCHAR));
1058         buffer += sizeof(WCHAR) * string_len;
1059         needed += sizeof(WCHAR) * string_len;
1060         len -= sizeof(WCHAR) * string_len;
1061     }
1062     else
1063         CredentialW->Comment = NULL;
1064     CredentialW->LastWritten = CredentialA->LastWritten;
1065     CredentialW->CredentialBlobSize = CredentialA->CredentialBlobSize;
1066     if (CredentialA->CredentialBlobSize)
1067     {
1068         CredentialW->CredentialBlob =(LPBYTE)buffer;
1069         memcpy(CredentialW->CredentialBlob, CredentialA->CredentialBlob,
1070                CredentialA->CredentialBlobSize);
1071         buffer += CredentialA->CredentialBlobSize;
1072         needed += CredentialA->CredentialBlobSize;
1073         len -= CredentialA->CredentialBlobSize;
1074     }
1075     else
1076         CredentialW->CredentialBlob = NULL;
1077     CredentialW->Persist = CredentialA->Persist;
1078     CredentialW->AttributeCount = 0;
1079     CredentialW->Attributes = NULL; /* FIXME */
1080     if (CredentialA->TargetAlias)
1081     {
1082         CredentialW->TargetAlias = (LPWSTR)buffer;
1083         string_len = MultiByteToWideChar(CP_ACP, 0, CredentialA->TargetAlias, -1, CredentialW->TargetAlias, len / sizeof(WCHAR));
1084         buffer += sizeof(WCHAR) * string_len;
1085         needed += sizeof(WCHAR) * string_len;
1086         len -= sizeof(WCHAR) * string_len;
1087     }
1088     else
1089         CredentialW->TargetAlias = NULL;
1090     if (CredentialA->UserName)
1091     {
1092         CredentialW->UserName = (LPWSTR)buffer;
1093         string_len = MultiByteToWideChar(CP_ACP, 0, CredentialA->UserName, -1, CredentialW->UserName, len / sizeof(WCHAR));
1094         needed += sizeof(WCHAR) * string_len;
1095     }
1096     else
1097         CredentialW->UserName = NULL;
1098
1099     return needed;
1100 }
1101
1102 /******************************************************************************
1103  * CredDeleteA [ADVAPI32.@]
1104  */
1105 BOOL WINAPI CredDeleteA(LPCSTR TargetName, DWORD Type, DWORD Flags)
1106 {
1107     LPWSTR TargetNameW;
1108     DWORD len;
1109     BOOL ret;
1110
1111     TRACE("(%s, %d, 0x%x)\n", debugstr_a(TargetName), Type, Flags);
1112
1113     if (!TargetName)
1114     {
1115         SetLastError(ERROR_INVALID_PARAMETER);
1116         return FALSE;
1117     }
1118
1119     len = MultiByteToWideChar(CP_ACP, 0, TargetName, -1, NULL, 0);
1120     TargetNameW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1121     if (!TargetNameW)
1122     {
1123         SetLastError(ERROR_OUTOFMEMORY);
1124         return FALSE;
1125     }
1126     MultiByteToWideChar(CP_ACP, 0, TargetName, -1, TargetNameW, len);
1127
1128     ret = CredDeleteW(TargetNameW, Type, Flags);
1129
1130     HeapFree(GetProcessHeap(), 0, TargetNameW);
1131
1132     return ret;
1133 }
1134
1135 /******************************************************************************
1136  * CredDeleteW [ADVAPI32.@]
1137  */
1138 BOOL WINAPI CredDeleteW(LPCWSTR TargetName, DWORD Type, DWORD Flags)
1139 {
1140     HKEY hkeyMgr;
1141     DWORD ret;
1142     LPWSTR key_name;
1143
1144     TRACE("(%s, %d, 0x%x)\n", debugstr_w(TargetName), Type, Flags);
1145
1146     if (!TargetName)
1147     {
1148         SetLastError(ERROR_INVALID_PARAMETER);
1149         return FALSE;
1150     }
1151
1152     if (Type != CRED_TYPE_GENERIC && Type != CRED_TYPE_DOMAIN_PASSWORD)
1153     {
1154         FIXME("unhandled type %d\n", Type);
1155         SetLastError(ERROR_INVALID_PARAMETER);
1156         return FALSE;
1157     }
1158
1159     if (Flags)
1160     {
1161         FIXME("unhandled flags 0x%x\n", Flags);
1162         SetLastError(ERROR_INVALID_FLAGS);
1163         return FALSE;
1164     }
1165
1166 #ifdef __APPLE__
1167     if (Type == CRED_TYPE_DOMAIN_PASSWORD)
1168     {
1169         ret = mac_delete_credential(TargetName);
1170         if (ret == ERROR_SUCCESS)
1171             return TRUE;
1172     }
1173 #endif
1174
1175     ret = open_cred_mgr_key(&hkeyMgr, TRUE);
1176     if (ret != ERROR_SUCCESS)
1177     {
1178         WARN("couldn't open/create manager key, error %d\n", ret);
1179         SetLastError(ERROR_NO_SUCH_LOGON_SESSION);
1180         return FALSE;
1181     }
1182
1183     key_name = get_key_name_for_target(TargetName, Type);
1184     ret = RegDeleteKeyW(hkeyMgr, key_name);
1185     HeapFree(GetProcessHeap(), 0, key_name);
1186     RegCloseKey(hkeyMgr);
1187     if (ret != ERROR_SUCCESS)
1188     {
1189         SetLastError(ERROR_NOT_FOUND);
1190         return FALSE;
1191     }
1192
1193     return TRUE;
1194 }
1195
1196 /******************************************************************************
1197  * CredEnumerateA [ADVAPI32.@]
1198  */
1199 BOOL WINAPI CredEnumerateA(LPCSTR Filter, DWORD Flags, DWORD *Count,
1200                            PCREDENTIALA **Credentials)
1201 {
1202     LPWSTR FilterW;
1203     PCREDENTIALW *CredentialsW;
1204     DWORD i;
1205     INT len;
1206     INT needed;
1207     char *buffer;
1208
1209     TRACE("(%s, 0x%x, %p, %p)\n", debugstr_a(Filter), Flags, Count, Credentials);
1210
1211     if (Filter)
1212     {
1213         len = MultiByteToWideChar(CP_ACP, 0, Filter, -1, NULL, 0);
1214         FilterW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1215         if (!FilterW)
1216         {
1217             SetLastError(ERROR_OUTOFMEMORY);
1218             return FALSE;
1219         }
1220         MultiByteToWideChar(CP_ACP, 0, Filter, -1, FilterW, len);
1221     }
1222     else
1223         FilterW = NULL;
1224
1225     if (!CredEnumerateW(FilterW, Flags, Count, &CredentialsW))
1226     {
1227         HeapFree(GetProcessHeap(), 0, FilterW);
1228         return FALSE;
1229     }
1230     HeapFree(GetProcessHeap(), 0, FilterW);
1231
1232     len = *Count * sizeof(PCREDENTIALA);
1233     for (i = 0; i < *Count; i++)
1234         len += convert_PCREDENTIALW_to_PCREDENTIALA(CredentialsW[i], NULL, 0);
1235
1236     *Credentials = HeapAlloc(GetProcessHeap(), 0, len);
1237     if (!*Credentials)
1238     {
1239         CredFree(CredentialsW);
1240         SetLastError(ERROR_OUTOFMEMORY);
1241         return FALSE;
1242     }
1243
1244     buffer = (char *)&(*Credentials)[*Count];
1245     len -= *Count * sizeof(PCREDENTIALA);
1246     for (i = 0; i < *Count; i++)
1247     {
1248         (*Credentials)[i] = (PCREDENTIALA)buffer;
1249         needed = convert_PCREDENTIALW_to_PCREDENTIALA(CredentialsW[i], (*Credentials)[i], len);
1250         buffer += needed;
1251         len -= needed;
1252     }
1253
1254     CredFree(CredentialsW);
1255
1256     return TRUE;
1257 }
1258
1259 /******************************************************************************
1260  * CredEnumerateW [ADVAPI32.@]
1261  */
1262 BOOL WINAPI CredEnumerateW(LPCWSTR Filter, DWORD Flags, DWORD *Count,
1263                            PCREDENTIALW **Credentials)
1264 {
1265     HKEY hkeyMgr;
1266     DWORD ret;
1267     LPWSTR target_name;
1268     DWORD target_name_len;
1269     DWORD len;
1270     char *buffer;
1271     BYTE key_data[KEY_SIZE];
1272
1273     TRACE("(%s, 0x%x, %p, %p)\n", debugstr_w(Filter), Flags, Count, Credentials);
1274
1275     if (Flags)
1276     {
1277         SetLastError(ERROR_INVALID_FLAGS);
1278         return FALSE;
1279     }
1280
1281     ret = open_cred_mgr_key(&hkeyMgr, FALSE);
1282     if (ret != ERROR_SUCCESS)
1283     {
1284         WARN("couldn't open/create manager key, error %d\n", ret);
1285         SetLastError(ERROR_NO_SUCH_LOGON_SESSION);
1286         return FALSE;
1287     }
1288
1289     ret = get_cred_mgr_encryption_key(hkeyMgr, key_data);
1290     if (ret != ERROR_SUCCESS)
1291     {
1292         RegCloseKey(hkeyMgr);
1293         SetLastError(ret);
1294         return FALSE;
1295     }
1296
1297     ret = RegQueryInfoKeyW(hkeyMgr, NULL, NULL, NULL, NULL, &target_name_len, NULL, NULL, NULL, NULL, NULL, NULL);
1298     if (ret != ERROR_SUCCESS)
1299     {
1300         RegCloseKey(hkeyMgr);
1301         SetLastError(ret);
1302         return FALSE;
1303     }
1304
1305     target_name = HeapAlloc(GetProcessHeap(), 0, (target_name_len+1)*sizeof(WCHAR));
1306     if (!target_name)
1307     {
1308         RegCloseKey(hkeyMgr);
1309         SetLastError(ERROR_OUTOFMEMORY);
1310         return FALSE;
1311     }
1312
1313     *Count = 0;
1314     len = 0;
1315     ret = registry_enumerate_credentials(hkeyMgr, Filter, target_name, target_name_len,
1316                                          key_data, NULL, NULL, &len, Count);
1317 #ifdef __APPLE__
1318     if (ret == ERROR_SUCCESS)
1319         ret = mac_enumerate_credentials(Filter, NULL, NULL, &len, Count);
1320 #endif
1321     if (ret == ERROR_SUCCESS && *Count == 0)
1322         ret = ERROR_NOT_FOUND;
1323     if (ret != ERROR_SUCCESS)
1324     {
1325         HeapFree(GetProcessHeap(), 0, target_name);
1326         RegCloseKey(hkeyMgr);
1327         SetLastError(ret);
1328         return FALSE;
1329     }
1330     len += *Count * sizeof(PCREDENTIALW);
1331
1332     if (ret == ERROR_SUCCESS)
1333     {
1334         buffer = HeapAlloc(GetProcessHeap(), 0, len);
1335         *Credentials = (PCREDENTIALW *)buffer;
1336         if (buffer)
1337         {
1338             buffer += *Count * sizeof(PCREDENTIALW);
1339             *Count = 0;
1340             ret = registry_enumerate_credentials(hkeyMgr, Filter, target_name,
1341                                                  target_name_len, key_data,
1342                                                  *Credentials, &buffer, &len,
1343                                                  Count);
1344 #ifdef __APPLE__
1345             if (ret == ERROR_SUCCESS)
1346                 ret = mac_enumerate_credentials(Filter, *Credentials,
1347                                                 buffer, &len, Count);
1348 #endif
1349         }
1350         else
1351             ret = ERROR_OUTOFMEMORY;
1352     }
1353
1354     HeapFree(GetProcessHeap(), 0, target_name);
1355     RegCloseKey(hkeyMgr);
1356
1357     if (ret != ERROR_SUCCESS)
1358     {
1359         SetLastError(ret);
1360         return FALSE;
1361     }
1362     return TRUE;
1363 }
1364
1365 /******************************************************************************
1366  * CredFree [ADVAPI32.@]
1367  */
1368 VOID WINAPI CredFree(PVOID Buffer)
1369 {
1370     HeapFree(GetProcessHeap(), 0, Buffer);
1371 }
1372
1373 /******************************************************************************
1374  * CredReadA [ADVAPI32.@]
1375  */
1376 BOOL WINAPI CredReadA(LPCSTR TargetName, DWORD Type, DWORD Flags, PCREDENTIALA *Credential)
1377 {
1378     LPWSTR TargetNameW;
1379     PCREDENTIALW CredentialW;
1380     INT len;
1381
1382     TRACE("(%s, %d, 0x%x, %p)\n", debugstr_a(TargetName), Type, Flags, Credential);
1383
1384     if (!TargetName)
1385     {
1386         SetLastError(ERROR_INVALID_PARAMETER);
1387         return FALSE;
1388     }
1389
1390     len = MultiByteToWideChar(CP_ACP, 0, TargetName, -1, NULL, 0);
1391     TargetNameW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
1392     if (!TargetNameW)
1393     {
1394         SetLastError(ERROR_OUTOFMEMORY);
1395         return FALSE;
1396     }
1397     MultiByteToWideChar(CP_ACP, 0, TargetName, -1, TargetNameW, len);
1398
1399     if (!CredReadW(TargetNameW, Type, Flags, &CredentialW))
1400     {
1401         HeapFree(GetProcessHeap(), 0, TargetNameW);
1402         return FALSE;
1403     }
1404     HeapFree(GetProcessHeap(), 0, TargetNameW);
1405
1406     len = convert_PCREDENTIALW_to_PCREDENTIALA(CredentialW, NULL, 0);
1407     *Credential = HeapAlloc(GetProcessHeap(), 0, len);
1408     if (!*Credential)
1409     {
1410         SetLastError(ERROR_OUTOFMEMORY);
1411         return FALSE;
1412     }
1413     convert_PCREDENTIALW_to_PCREDENTIALA(CredentialW, *Credential, len);
1414
1415     CredFree(CredentialW);
1416
1417     return TRUE;
1418 }
1419
1420 /******************************************************************************
1421  * CredReadW [ADVAPI32.@]
1422  */
1423 BOOL WINAPI CredReadW(LPCWSTR TargetName, DWORD Type, DWORD Flags, PCREDENTIALW *Credential)
1424 {
1425     HKEY hkeyMgr;
1426     HKEY hkeyCred;
1427     DWORD ret;
1428     LPWSTR key_name;
1429     DWORD len;
1430     BYTE key_data[KEY_SIZE];
1431
1432     TRACE("(%s, %d, 0x%x, %p)\n", debugstr_w(TargetName), Type, Flags, Credential);
1433
1434     if (!TargetName)
1435     {
1436         SetLastError(ERROR_INVALID_PARAMETER);
1437         return FALSE;
1438     }
1439
1440     if (Type != CRED_TYPE_GENERIC && Type != CRED_TYPE_DOMAIN_PASSWORD)
1441     {
1442         FIXME("unhandled type %d\n", Type);
1443         SetLastError(ERROR_INVALID_PARAMETER);
1444         return FALSE;
1445     }
1446
1447     if (Flags)
1448     {
1449         FIXME("unhandled flags 0x%x\n", Flags);
1450         SetLastError(ERROR_INVALID_FLAGS);
1451         return FALSE;
1452     }
1453
1454 #ifdef __APPLE__
1455     if (Type == CRED_TYPE_DOMAIN_PASSWORD)
1456     {
1457         OSStatus status;
1458         SecKeychainSearchRef search;
1459         status = SecKeychainSearchCreateFromAttributes(NULL, kSecInternetPasswordItemClass, NULL, &search);
1460         if (status == noErr)
1461         {
1462             SecKeychainItemRef item;
1463             while (SecKeychainSearchCopyNext(search, &item) == noErr)
1464             {
1465                 SecKeychainAttributeInfo info;
1466                 SecKeychainAttributeList *attr_list;
1467                 UInt32 info_tags[] = { kSecServerItemAttr };
1468                 LPWSTR target_name;
1469                 INT str_len;
1470                 info.count = sizeof(info_tags)/sizeof(info_tags[0]);
1471                 info.tag = info_tags;
1472                 info.format = NULL;
1473                 status = SecKeychainItemCopyAttributesAndData(item, &info, NULL, &attr_list, NULL, NULL);
1474                 len = sizeof(**Credential);
1475                 if (status != noErr)
1476                 {
1477                     WARN("SecKeychainItemCopyAttributesAndData returned status %ld\n", status);
1478                     continue;
1479                 }
1480                 if (attr_list->count != 1 || attr_list->attr[0].tag != kSecServerItemAttr)
1481                 {
1482                     CFRelease(item);
1483                     continue;
1484                 }
1485                 str_len = MultiByteToWideChar(CP_UTF8, 0, attr_list->attr[0].data, attr_list->attr[0].length, NULL, 0);
1486                 target_name = HeapAlloc(GetProcessHeap(), 0, (str_len + 1) * sizeof(WCHAR));
1487                 MultiByteToWideChar(CP_UTF8, 0, attr_list->attr[0].data, attr_list->attr[0].length, target_name, str_len);
1488                 /* nul terminate */
1489                 target_name[str_len] = '\0';
1490                 if (strcmpiW(TargetName, target_name))
1491                 {
1492                     CFRelease(item);
1493                     HeapFree(GetProcessHeap(), 0, target_name);
1494                     continue;
1495                 }
1496                 HeapFree(GetProcessHeap(), 0, target_name);
1497                 SecKeychainItemFreeAttributesAndData(attr_list, NULL);
1498                 ret = mac_read_credential_from_item(item, TRUE, NULL, NULL, &len);
1499                 if (ret == ERROR_SUCCESS)
1500                 {
1501                     *Credential = HeapAlloc(GetProcessHeap(), 0, len);
1502                     if (*Credential)
1503                     {
1504                         len = sizeof(**Credential);
1505                         ret = mac_read_credential_from_item(item, TRUE, *Credential,
1506                                                             (char *)(*Credential + 1), &len);
1507                     }
1508                     else
1509                         ret = ERROR_OUTOFMEMORY;
1510                     CFRelease(item);
1511                     CFRelease(search);
1512                     if (ret != ERROR_SUCCESS)
1513                     {
1514                         SetLastError(ret);
1515                         return FALSE;
1516                     }
1517                     return TRUE;
1518                 }
1519                 CFRelease(item);
1520             }
1521             CFRelease(search);
1522         }
1523     }
1524 #endif
1525
1526     ret = open_cred_mgr_key(&hkeyMgr, FALSE);
1527     if (ret != ERROR_SUCCESS)
1528     {
1529         WARN("couldn't open/create manager key, error %d\n", ret);
1530         SetLastError(ERROR_NO_SUCH_LOGON_SESSION);
1531         return FALSE;
1532     }
1533
1534     ret = get_cred_mgr_encryption_key(hkeyMgr, key_data);
1535     if (ret != ERROR_SUCCESS)
1536     {
1537         RegCloseKey(hkeyMgr);
1538         SetLastError(ret);
1539         return FALSE;
1540     }
1541
1542     key_name = get_key_name_for_target(TargetName, Type);
1543     ret = RegOpenKeyExW(hkeyMgr, key_name, 0, KEY_QUERY_VALUE, &hkeyCred);
1544     HeapFree(GetProcessHeap(), 0, key_name);
1545     if (ret != ERROR_SUCCESS)
1546     {
1547         TRACE("credentials for target name %s not found\n", debugstr_w(TargetName));
1548         SetLastError(ERROR_NOT_FOUND);
1549         return FALSE;
1550     }
1551
1552     len = sizeof(**Credential);
1553     ret = registry_read_credential(hkeyCred, NULL, key_data, NULL, &len);
1554     if (ret == ERROR_SUCCESS)
1555     {
1556         *Credential = HeapAlloc(GetProcessHeap(), 0, len);
1557         if (*Credential)
1558         {
1559             len = sizeof(**Credential);
1560             ret = registry_read_credential(hkeyCred, *Credential, key_data,
1561                                            (char *)(*Credential + 1), &len);
1562         }
1563         else
1564             ret = ERROR_OUTOFMEMORY;
1565     }
1566
1567     RegCloseKey(hkeyCred);
1568     RegCloseKey(hkeyMgr);
1569
1570     if (ret != ERROR_SUCCESS)
1571     {
1572         SetLastError(ret);
1573         return FALSE;
1574     }
1575     return TRUE;
1576 }
1577
1578 /******************************************************************************
1579  * CredReadDomainCredentialsA [ADVAPI32.@]
1580  */
1581 BOOL WINAPI CredReadDomainCredentialsA(PCREDENTIAL_TARGET_INFORMATIONA TargetInformation,
1582                                        DWORD Flags, DWORD *Size, PCREDENTIALA **Credentials)
1583 {
1584     PCREDENTIAL_TARGET_INFORMATIONW TargetInformationW;
1585     INT len, i;
1586     WCHAR *buffer, *end;
1587     BOOL ret;
1588     PCREDENTIALW* CredentialsW;
1589
1590     TRACE("(%p, 0x%x, %p, %p)\n", TargetInformation, Flags, Size, Credentials);
1591
1592     /* follow Windows behavior - do not test for NULL, initialize early */
1593     *Size = 0;
1594     *Credentials = NULL;
1595
1596     if (!TargetInformation)
1597     {
1598         SetLastError(ERROR_INVALID_PARAMETER);
1599         return FALSE;
1600     }
1601
1602     len = sizeof(*TargetInformationW);
1603     if (TargetInformation->TargetName)
1604         len += MultiByteToWideChar(CP_ACP, 0, TargetInformation->TargetName, -1, NULL, 0) * sizeof(WCHAR);
1605     if (TargetInformation->NetbiosServerName)
1606         len += MultiByteToWideChar(CP_ACP, 0, TargetInformation->NetbiosServerName, -1, NULL, 0) * sizeof(WCHAR);
1607     if (TargetInformation->DnsServerName)
1608         len += MultiByteToWideChar(CP_ACP, 0, TargetInformation->DnsServerName, -1, NULL, 0) * sizeof(WCHAR);
1609     if (TargetInformation->NetbiosDomainName)
1610         len += MultiByteToWideChar(CP_ACP, 0, TargetInformation->NetbiosDomainName, -1, NULL, 0) * sizeof(WCHAR);
1611     if (TargetInformation->DnsDomainName)
1612         len += MultiByteToWideChar(CP_ACP, 0, TargetInformation->DnsDomainName, -1, NULL, 0) * sizeof(WCHAR);
1613     if (TargetInformation->DnsTreeName)
1614         len += MultiByteToWideChar(CP_ACP, 0, TargetInformation->DnsTreeName, -1, NULL, 0) * sizeof(WCHAR);
1615     if (TargetInformation->PackageName)
1616         len += MultiByteToWideChar(CP_ACP, 0, TargetInformation->PackageName, -1, NULL, 0) * sizeof(WCHAR);
1617
1618     TargetInformationW = HeapAlloc(GetProcessHeap(), 0, len);
1619     if (!TargetInformationW)
1620     {
1621         SetLastError(ERROR_OUTOFMEMORY);
1622         return FALSE;
1623     }
1624     buffer = (WCHAR*)(TargetInformationW + 1);
1625     end = (WCHAR *)((char *)TargetInformationW + len);
1626
1627     if (TargetInformation->TargetName)
1628     {
1629         TargetInformationW->TargetName = buffer;
1630         buffer += MultiByteToWideChar(CP_ACP, 0, TargetInformation->TargetName, -1,
1631                                       TargetInformationW->TargetName, end - buffer);
1632     } else
1633         TargetInformationW->TargetName = NULL;
1634
1635     if (TargetInformation->NetbiosServerName)
1636     {
1637         TargetInformationW->NetbiosServerName = buffer;
1638         buffer += MultiByteToWideChar(CP_ACP, 0, TargetInformation->NetbiosServerName, -1,
1639                                       TargetInformationW->NetbiosServerName, end - buffer);
1640     } else
1641         TargetInformationW->NetbiosServerName = NULL;
1642
1643     if (TargetInformation->DnsServerName)
1644     {
1645         TargetInformationW->DnsServerName = buffer;
1646         buffer += MultiByteToWideChar(CP_ACP, 0, TargetInformation->DnsServerName, -1,
1647                                       TargetInformationW->DnsServerName, end - buffer);
1648     } else
1649         TargetInformationW->DnsServerName = NULL;
1650
1651     if (TargetInformation->NetbiosDomainName)
1652     {
1653         TargetInformationW->NetbiosDomainName = buffer;
1654         buffer += MultiByteToWideChar(CP_ACP, 0, TargetInformation->NetbiosDomainName, -1,
1655                                       TargetInformationW->NetbiosDomainName, end - buffer);
1656     } else
1657         TargetInformationW->NetbiosDomainName = NULL;
1658
1659     if (TargetInformation->DnsDomainName)
1660     {
1661         TargetInformationW->DnsDomainName = buffer;
1662         buffer += MultiByteToWideChar(CP_ACP, 0, TargetInformation->DnsDomainName, -1,
1663                                       TargetInformationW->DnsDomainName, end - buffer);
1664     } else
1665         TargetInformationW->DnsDomainName = NULL;
1666
1667     if (TargetInformation->DnsTreeName)
1668     {
1669         TargetInformationW->DnsTreeName = buffer;
1670         buffer += MultiByteToWideChar(CP_ACP, 0, TargetInformation->DnsTreeName, -1,
1671                                       TargetInformationW->DnsTreeName, end - buffer);
1672     } else
1673         TargetInformationW->DnsTreeName = NULL;
1674
1675     if (TargetInformation->PackageName)
1676     {
1677         TargetInformationW->PackageName = buffer;
1678         buffer += MultiByteToWideChar(CP_ACP, 0, TargetInformation->PackageName, -1,
1679                                       TargetInformationW->PackageName, end - buffer);
1680     } else
1681         TargetInformationW->PackageName = NULL;
1682
1683     TargetInformationW->Flags = TargetInformation->Flags;
1684     TargetInformationW->CredTypeCount = TargetInformation->CredTypeCount;
1685     TargetInformationW->CredTypes = TargetInformation->CredTypes;
1686
1687     ret = CredReadDomainCredentialsW(TargetInformationW, Flags, Size, &CredentialsW);
1688
1689     HeapFree(GetProcessHeap(), 0, TargetInformationW);
1690
1691     if (ret)
1692     {
1693         char *buf;
1694         INT needed;
1695
1696         len = *Size * sizeof(PCREDENTIALA);
1697         for (i = 0; i < *Size; i++)
1698             len += convert_PCREDENTIALW_to_PCREDENTIALA(CredentialsW[i], NULL, 0);
1699
1700         *Credentials = HeapAlloc(GetProcessHeap(), 0, len);
1701         if (!*Credentials)
1702         {
1703             CredFree(CredentialsW);
1704             SetLastError(ERROR_OUTOFMEMORY);
1705             return FALSE;
1706         }
1707
1708         buf = (char *)&(*Credentials)[*Size];
1709         len -= *Size * sizeof(PCREDENTIALA);
1710         for (i = 0; i < *Size; i++)
1711         {
1712             (*Credentials)[i] = (PCREDENTIALA)buf;
1713             needed = convert_PCREDENTIALW_to_PCREDENTIALA(CredentialsW[i], (*Credentials)[i], len);
1714             buf += needed;
1715             len -= needed;
1716         }
1717
1718         CredFree(CredentialsW);
1719     }
1720     return ret;
1721 }
1722
1723 /******************************************************************************
1724  * CredReadDomainCredentialsW [ADVAPI32.@]
1725  */
1726 BOOL WINAPI CredReadDomainCredentialsW(PCREDENTIAL_TARGET_INFORMATIONW TargetInformation, DWORD Flags,
1727                                        DWORD *Size, PCREDENTIALW **Credentials)
1728 {
1729     FIXME("(%p, 0x%x, %p, %p) stub\n", TargetInformation, Flags, Size, Credentials);
1730
1731     /* follow Windows behavior - do not test for NULL, initialize early */
1732     *Size = 0;
1733     *Credentials = NULL;
1734     if (!TargetInformation)
1735     {
1736         SetLastError(ERROR_INVALID_PARAMETER);
1737         return FALSE;
1738     }
1739
1740     SetLastError(ERROR_NOT_FOUND);
1741     return FALSE;
1742 }
1743
1744 /******************************************************************************
1745  * CredWriteA [ADVAPI32.@]
1746  */
1747 BOOL WINAPI CredWriteA(PCREDENTIALA Credential, DWORD Flags)
1748 {
1749     BOOL ret;
1750     INT len;
1751     PCREDENTIALW CredentialW;
1752
1753     TRACE("(%p, 0x%x)\n", Credential, Flags);
1754
1755     if (!Credential || !Credential->TargetName)
1756     {
1757         SetLastError(ERROR_INVALID_PARAMETER);
1758         return FALSE;
1759     }
1760
1761     len = convert_PCREDENTIALA_to_PCREDENTIALW(Credential, NULL, 0);
1762     CredentialW = HeapAlloc(GetProcessHeap(), 0, len);
1763     if (!CredentialW)
1764     {
1765         SetLastError(ERROR_OUTOFMEMORY);
1766         return FALSE;
1767     }
1768
1769     convert_PCREDENTIALA_to_PCREDENTIALW(Credential, CredentialW, len);
1770
1771     ret = CredWriteW(CredentialW, Flags);
1772
1773     HeapFree(GetProcessHeap(), 0, CredentialW);
1774
1775     return ret;
1776 }
1777
1778 /******************************************************************************
1779  * CredWriteW [ADVAPI32.@]
1780  */
1781 BOOL WINAPI CredWriteW(PCREDENTIALW Credential, DWORD Flags)
1782 {
1783     HKEY hkeyMgr;
1784     HKEY hkeyCred;
1785     DWORD ret;
1786     LPWSTR key_name;
1787     BYTE key_data[KEY_SIZE];
1788
1789     TRACE("(%p, 0x%x)\n", Credential, Flags);
1790
1791     if (!Credential || !Credential->TargetName)
1792     {
1793         SetLastError(ERROR_INVALID_PARAMETER);
1794         return FALSE;
1795     }
1796
1797     if (Flags & ~CRED_PRESERVE_CREDENTIAL_BLOB)
1798     {
1799         FIXME("unhandled flags 0x%x\n", Flags);
1800         SetLastError(ERROR_INVALID_FLAGS);
1801         return FALSE;
1802     }
1803
1804     if (Credential->Type != CRED_TYPE_GENERIC && Credential->Type != CRED_TYPE_DOMAIN_PASSWORD)
1805     {
1806         FIXME("unhandled type %d\n", Credential->Type);
1807         SetLastError(ERROR_INVALID_PARAMETER);
1808         return FALSE;
1809     }
1810
1811     TRACE("Credential->TargetName = %s\n", debugstr_w(Credential->TargetName));
1812     TRACE("Credential->UserName = %s\n", debugstr_w(Credential->UserName));
1813
1814     if (Credential->Type == CRED_TYPE_DOMAIN_PASSWORD)
1815     {
1816         if (!Credential->UserName ||
1817             (!strchrW(Credential->UserName, '\\') && !strchrW(Credential->UserName, '@')))
1818         {
1819             ERR("bad username %s\n", debugstr_w(Credential->UserName));
1820             SetLastError(ERROR_BAD_USERNAME);
1821             return FALSE;
1822         }
1823     }
1824
1825 #ifdef __APPLE__
1826     if (!Credential->AttributeCount &&
1827         Credential->Type == CRED_TYPE_DOMAIN_PASSWORD &&
1828         (Credential->Persist == CRED_PERSIST_LOCAL_MACHINE || Credential->Persist == CRED_PERSIST_ENTERPRISE))
1829     {
1830         ret = mac_write_credential(Credential, Flags & CRED_PRESERVE_CREDENTIAL_BLOB);
1831         if (ret != ERROR_SUCCESS)
1832         {
1833             SetLastError(ret);
1834             return FALSE;
1835         }
1836         return TRUE;
1837     }
1838 #endif
1839
1840     ret = open_cred_mgr_key(&hkeyMgr, FALSE);
1841     if (ret != ERROR_SUCCESS)
1842     {
1843         WARN("couldn't open/create manager key, error %d\n", ret);
1844         SetLastError(ERROR_NO_SUCH_LOGON_SESSION);
1845         return FALSE;
1846     }
1847
1848     ret = get_cred_mgr_encryption_key(hkeyMgr, key_data);
1849     if (ret != ERROR_SUCCESS)
1850     {
1851         RegCloseKey(hkeyMgr);
1852         SetLastError(ret);
1853         return FALSE;
1854     }
1855
1856     key_name = get_key_name_for_target(Credential->TargetName, Credential->Type);
1857     ret = RegCreateKeyExW(hkeyMgr, key_name, 0, NULL,
1858                           Credential->Persist == CRED_PERSIST_SESSION ? REG_OPTION_VOLATILE : REG_OPTION_NON_VOLATILE,
1859                           KEY_READ|KEY_WRITE, NULL, &hkeyCred, NULL);
1860     HeapFree(GetProcessHeap(), 0, key_name);
1861     if (ret != ERROR_SUCCESS)
1862     {
1863         TRACE("credentials for target name %s not found\n",
1864               debugstr_w(Credential->TargetName));
1865         SetLastError(ERROR_NOT_FOUND);
1866         return FALSE;
1867     }
1868
1869     ret = registry_write_credential(hkeyCred, Credential, key_data,
1870                                     Flags & CRED_PRESERVE_CREDENTIAL_BLOB);
1871
1872     RegCloseKey(hkeyCred);
1873     RegCloseKey(hkeyMgr);
1874
1875     if (ret != ERROR_SUCCESS)
1876     {
1877         SetLastError(ret);
1878         return FALSE;
1879     }
1880     return TRUE;
1881 }
1882
1883 /******************************************************************************
1884  * CredGetSessionTypes [ADVAPI32.@]
1885  */
1886 WINADVAPI BOOL WINAPI CredGetSessionTypes(DWORD persistCount, LPDWORD persists)
1887 {
1888     TRACE("(%u, %p)\n", persistCount, persists);
1889
1890     memset(persists, CRED_PERSIST_NONE, persistCount*sizeof(*persists));
1891     if (CRED_TYPE_GENERIC < persistCount)
1892     {
1893         persists[CRED_TYPE_GENERIC] = CRED_PERSIST_ENTERPRISE;
1894
1895         if (CRED_TYPE_DOMAIN_PASSWORD < persistCount)
1896         {
1897             persists[CRED_TYPE_DOMAIN_PASSWORD] = CRED_PERSIST_ENTERPRISE;
1898         }
1899     }
1900     return TRUE;
1901 }