git.oblomov.eu Git - wine/blob - dlls/credui/credui_main.c

   1 /*
   2  * Credentials User Interface
   3  *
   4  * Copyright 2006 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
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winnt.h"
  26 #include "winuser.h"
  27 #include "wincred.h"
  28 #include "commctrl.h"
  29
  30 #include "credui_resources.h"
  31
  32 #include "wine/debug.h"
  33 #include "wine/unicode.h"
  34 #include "wine/list.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(credui);
  37
  38 struct pending_credentials
  39 {
  40     struct list entry;
  41     PWSTR pszTargetName;
  42     PWSTR pszUsername;
  43     PWSTR pszPassword;
  44     BOOL generic;
  45 };
  46
  47 static HINSTANCE hinstCredUI;
  48
  49 static struct list pending_credentials_list = LIST_INIT(pending_credentials_list);
  50
  51 static CRITICAL_SECTION csPendingCredentials;
  52 static CRITICAL_SECTION_DEBUG critsect_debug =
  53 {
  54     0, 0, &csPendingCredentials,
  55     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
  56     0, 0, { (DWORD_PTR)(__FILE__ ": csPendingCredentials") }
  57 };
  58 static CRITICAL_SECTION csPendingCredentials = { &critsect_debug, -1, 0, 0, 0, 0 };
  59
  60
  61 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
  62 {
  63     TRACE("(0x%p, %d, %p)\n",hinstDLL,fdwReason,lpvReserved);
  64
  65     if (fdwReason == DLL_WINE_PREATTACH) return FALSE;  /* prefer native version */
  66
  67     if (fdwReason == DLL_PROCESS_ATTACH)
  68     {
  69         DisableThreadLibraryCalls(hinstDLL);
  70         hinstCredUI = hinstDLL;
  71         InitCommonControls();
  72     }
  73     else if (fdwReason == DLL_PROCESS_DETACH)
  74     {
  75         struct pending_credentials *entry, *cursor2;
  76         LIST_FOR_EACH_ENTRY_SAFE(entry, cursor2, &pending_credentials_list, struct pending_credentials, entry)
  77         {
  78             list_remove(&entry->entry);
  79
  80             HeapFree(GetProcessHeap(), 0, entry->pszTargetName);
  81             HeapFree(GetProcessHeap(), 0, entry->pszUsername);
  82             HeapFree(GetProcessHeap(), 0, entry->pszPassword);
  83             HeapFree(GetProcessHeap(), 0, entry);
  84         }
  85     }
  86
  87     return TRUE;
  88 }
  89
  90 static DWORD save_credentials(PCWSTR pszTargetName, PCWSTR pszUsername,
  91                               PCWSTR pszPassword, BOOL generic)
  92 {
  93     CREDENTIALW cred;
  94
  95     TRACE("saving servername %s with username %s\n", debugstr_w(pszTargetName), debugstr_w(pszUsername));
  96
  97     cred.Flags = 0;
  98     cred.Type = generic ? CRED_TYPE_GENERIC : CRED_TYPE_DOMAIN_PASSWORD;
  99     cred.TargetName = (LPWSTR)pszTargetName;
 100     cred.Comment = NULL;
 101     cred.CredentialBlobSize = strlenW(pszPassword) * sizeof(WCHAR);
 102     cred.CredentialBlob = (LPBYTE)pszPassword;
 103     cred.Persist = CRED_PERSIST_ENTERPRISE;
 104     cred.AttributeCount = 0;
 105     cred.Attributes = NULL;
 106     cred.TargetAlias = NULL;
 107     cred.UserName = (LPWSTR)pszUsername;
 108
 109     if (CredWriteW(&cred, 0))
 110         return ERROR_SUCCESS;
 111     else
 112     {
 113         DWORD ret = GetLastError();
 114         ERR("CredWriteW failed with error %d\n", ret);
 115         return ret;
 116     }
 117 }
 118
 119 struct cred_dialog_params
 120 {
 121     PCWSTR pszTargetName;
 122     PCWSTR pszMessageText;
 123     PCWSTR pszCaptionText;
 124     HBITMAP hbmBanner;
 125     PWSTR pszUsername;
 126     ULONG ulUsernameMaxChars;
 127     PWSTR pszPassword;
 128     ULONG ulPasswordMaxChars;
 129     BOOL fSave;
 130     DWORD dwFlags;
 131 };
 132
 133 static BOOL CredDialogInit(HWND hwndDlg, struct cred_dialog_params *params)
 134 {
 135     SetWindowLongPtrW(hwndDlg, DWLP_USER, (LONG_PTR)params);
 136     if (params->pszMessageText)
 137         SetDlgItemTextW(hwndDlg, IDC_MESSAGE, params->pszMessageText);
 138     else
 139     {
 140         WCHAR format[256];
 141         WCHAR message[256];
 142         LoadStringW(hinstCredUI, IDS_MESSAGEFORMAT, format, sizeof(format)/sizeof(format[0]));
 143         snprintfW(message, sizeof(message)/sizeof(message[0]), format, params->pszTargetName);
 144         SetDlgItemTextW(hwndDlg, IDC_MESSAGE, message);
 145     }
 146     SetDlgItemTextW(hwndDlg, IDC_USERNAME, params->pszUsername);
 147     SetDlgItemTextW(hwndDlg, IDC_PASSWORD, params->pszPassword);
 148
 149     if (params->pszUsername[0])
 150         SetFocus(GetDlgItem(hwndDlg, IDC_PASSWORD));
 151     else
 152         SetFocus(GetDlgItem(hwndDlg, IDC_USERNAME));
 153
 154     if (params->pszCaptionText)
 155         SetWindowTextW(hwndDlg, params->pszCaptionText);
 156     else
 157     {
 158         WCHAR format[256];
 159         WCHAR title[256];
 160         LoadStringW(hinstCredUI, IDS_TITLEFORMAT, format, sizeof(format)/sizeof(format[0]));
 161         snprintfW(title, sizeof(title)/sizeof(title[0]), format, params->pszTargetName);
 162         SetWindowTextW(hwndDlg, title);
 163     }
 164
 165     if (params->dwFlags & (CREDUI_FLAGS_DO_NOT_PERSIST|CREDUI_FLAGS_PERSIST))
 166         ShowWindow(GetDlgItem(hwndDlg, IDC_SAVE), SW_HIDE);
 167     else if (params->fSave)
 168         CheckDlgButton(hwndDlg, IDC_SAVE, BST_CHECKED);
 169
 170     return FALSE;
 171 }
 172
 173 static void CredDialogCommandOk(HWND hwndDlg, struct cred_dialog_params *params)
 174 {
 175     HWND hwndUsername = GetDlgItem(hwndDlg, IDC_USERNAME);
 176     LPWSTR user;
 177     INT len;
 178     INT len2;
 179
 180     len = GetWindowTextLengthW(hwndUsername);
 181     user = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR));
 182     GetWindowTextW(hwndUsername, user, len + 1);
 183
 184     if (!user[0])
 185     {
 186         HeapFree(GetProcessHeap(), 0, user);
 187         return;
 188     }
 189
 190     if (!strchrW(user, '\\') && !strchrW(user, '@'))
 191     {
 192         INT len_target = strlenW(params->pszTargetName);
 193         memcpy(params->pszUsername, params->pszTargetName,
 194                min(len_target, params->ulUsernameMaxChars) * sizeof(WCHAR));
 195         if (len_target + 1 < params->ulUsernameMaxChars)
 196             params->pszUsername[len_target] = '\\';
 197         if (len_target + 2 < params->ulUsernameMaxChars)
 198             params->pszUsername[len_target + 1] = '\0';
 199     }
 200     else if (params->ulUsernameMaxChars > 0)
 201         params->pszUsername[0] = '\0';
 202
 203     len2 = strlenW(params->pszUsername);
 204     memcpy(params->pszUsername + len2, user, min(len, params->ulUsernameMaxChars - len2) * sizeof(WCHAR));
 205     if (params->ulUsernameMaxChars)
 206         params->pszUsername[len2 + min(len, params->ulUsernameMaxChars - len2 - 1)] = '\0';
 207
 208     HeapFree(GetProcessHeap(), 0, user);
 209
 210     GetDlgItemTextW(hwndDlg, IDC_PASSWORD, params->pszPassword,
 211                     params->ulPasswordMaxChars);
 212
 213     EndDialog(hwndDlg, IDOK);
 214 }
 215
 216 static INT_PTR CALLBACK CredDialogProc(HWND hwndDlg, UINT uMsg, WPARAM wParam,
 217                                        LPARAM lParam)
 218 {
 219     switch (uMsg)
 220     {
 221         case WM_INITDIALOG:
 222         {
 223             struct cred_dialog_params *params = (struct cred_dialog_params *)lParam;
 224
 225             return CredDialogInit(hwndDlg, params);
 226         }
 227         case WM_COMMAND:
 228             switch (wParam)
 229             {
 230                 case MAKELONG(IDOK, BN_CLICKED):
 231                 {
 232                     struct cred_dialog_params *params =
 233                         (struct cred_dialog_params *)GetWindowLongPtrW(hwndDlg, DWLP_USER);
 234                     CredDialogCommandOk(hwndDlg, params);
 235                     return TRUE;
 236                 }
 237                 case MAKELONG(IDCANCEL, BN_CLICKED):
 238                     EndDialog(hwndDlg, IDCANCEL);
 239                     return TRUE;
 240             }
 241             /* fall through */
 242         default:
 243             return FALSE;
 244     }
 245 }
 246
 247 /******************************************************************************
 248  *           CredUIPromptForCredentialsW [CREDUI.@]
 249  */
 250 DWORD WINAPI CredUIPromptForCredentialsW(PCREDUI_INFOW pUIInfo,
 251                                          PCWSTR pszTargetName,
 252                                          PCtxtHandle Reserved,
 253                                          DWORD dwAuthError,
 254                                          PWSTR pszUsername,
 255                                          ULONG ulUsernameMaxChars,
 256                                          PWSTR pszPassword,
 257                                          ULONG ulPasswordMaxChars, PBOOL pfSave,
 258                                          DWORD dwFlags)
 259 {
 260     INT_PTR ret;
 261     struct cred_dialog_params params;
 262     DWORD result = ERROR_SUCCESS;
 263
 264     TRACE("(%p, %s, %p, %d, %s, %d, %p, %d, %p, 0x%08x)\n", pUIInfo,
 265           debugstr_w(pszTargetName), Reserved, dwAuthError, debugstr_w(pszUsername),
 266           ulUsernameMaxChars, pszPassword, ulPasswordMaxChars, pfSave, dwFlags);
 267
 268     if ((dwFlags & (CREDUI_FLAGS_ALWAYS_SHOW_UI|CREDUI_FLAGS_GENERIC_CREDENTIALS)) == CREDUI_FLAGS_ALWAYS_SHOW_UI)
 269         return ERROR_INVALID_FLAGS;
 270
 271     if (!pszTargetName)
 272         return ERROR_INVALID_PARAMETER;
 273
 274     if ((dwFlags & CREDUI_FLAGS_SHOW_SAVE_CHECK_BOX) && !pfSave)
 275         return ERROR_INVALID_PARAMETER;
 276
 277     params.pszTargetName = pszTargetName;
 278     if (pUIInfo)
 279     {
 280         params.pszMessageText = pUIInfo->pszMessageText;
 281         params.pszCaptionText = pUIInfo->pszCaptionText;
 282         params.hbmBanner  = pUIInfo->hbmBanner;
 283     }
 284     else
 285     {
 286         params.pszMessageText = NULL;
 287         params.pszCaptionText = NULL;
 288         params.hbmBanner = NULL;
 289     }
 290     params.pszUsername = pszUsername;
 291     params.ulUsernameMaxChars = ulUsernameMaxChars;
 292     params.pszPassword = pszPassword;
 293     params.ulPasswordMaxChars = ulPasswordMaxChars;
 294     params.fSave = pfSave ? *pfSave : FALSE;
 295     params.dwFlags = dwFlags;
 296
 297     ret = DialogBoxParamW(hinstCredUI, MAKEINTRESOURCEW(IDD_CREDDIALOG),
 298                           pUIInfo ? pUIInfo->hwndParent : NULL,
 299                           CredDialogProc, (LPARAM)&params);
 300     if (ret <= 0)
 301         return GetLastError();
 302
 303     if (ret == IDCANCEL)
 304     {
 305         TRACE("dialog cancelled\n");
 306         return ERROR_CANCELLED;
 307     }
 308
 309     if (pfSave)
 310         *pfSave = params.fSave;
 311
 312     if (params.fSave)
 313     {
 314         if (dwFlags & CREDUI_FLAGS_EXPECT_CONFIRMATION)
 315         {
 316             BOOL found = FALSE;
 317             struct pending_credentials *entry;
 318             int len;
 319
 320             EnterCriticalSection(&csPendingCredentials);
 321
 322             /* find existing pending credentials for the same target and overwrite */
 323             /* FIXME: is this correct? */
 324             LIST_FOR_EACH_ENTRY(entry, &pending_credentials_list, struct pending_credentials, entry)
 325                 if (!strcmpW(pszTargetName, entry->pszTargetName))
 326                 {
 327                     found = TRUE;
 328                     HeapFree(GetProcessHeap(), 0, entry->pszUsername);
 329                     HeapFree(GetProcessHeap(), 0, entry->pszPassword);
 330                 }
 331
 332             if (!found)
 333             {
 334                 entry = HeapAlloc(GetProcessHeap(), 0, sizeof(*entry));
 335                 list_init(&entry->entry);
 336                 len = strlenW(pszTargetName);
 337                 entry->pszTargetName = HeapAlloc(GetProcessHeap(), 0, (len + 1)*sizeof(WCHAR));
 338                 memcpy(entry->pszTargetName, pszTargetName, (len + 1)*sizeof(WCHAR));
 339                 list_add_tail(&entry->entry, &pending_credentials_list);
 340             }
 341
 342             len = strlenW(params.pszUsername);
 343             entry->pszUsername = HeapAlloc(GetProcessHeap(), 0, (len + 1)*sizeof(WCHAR));
 344             memcpy(entry->pszUsername, params.pszUsername, (len + 1)*sizeof(WCHAR));
 345             len = strlenW(params.pszPassword);
 346             entry->pszPassword = HeapAlloc(GetProcessHeap(), 0, (len + 1)*sizeof(WCHAR));
 347             memcpy(entry->pszPassword, params.pszPassword, (len + 1)*sizeof(WCHAR));
 348             entry->generic = dwFlags & CREDUI_FLAGS_GENERIC_CREDENTIALS ? TRUE : FALSE;
 349
 350             LeaveCriticalSection(&csPendingCredentials);
 351         }
 352         else
 353             result = save_credentials(pszTargetName, pszUsername, pszPassword,
 354                                       dwFlags & CREDUI_FLAGS_GENERIC_CREDENTIALS ? TRUE : FALSE);
 355     }
 356
 357     return result;
 358 }
 359
 360 /******************************************************************************
 361  *           CredUIConfirmCredentialsW [CREDUI.@]
 362  */
 363 DWORD WINAPI CredUIConfirmCredentialsW(PCWSTR pszTargetName, BOOL bConfirm)
 364 {
 365     struct pending_credentials *entry;
 366     DWORD result = ERROR_NOT_FOUND;
 367
 368     TRACE("(%s, %s)\n", debugstr_w(pszTargetName), bConfirm ? "TRUE" : "FALSE");
 369
 370     if (!pszTargetName)
 371         return ERROR_INVALID_PARAMETER;
 372
 373     EnterCriticalSection(&csPendingCredentials);
 374
 375     LIST_FOR_EACH_ENTRY(entry, &pending_credentials_list, struct pending_credentials, entry)
 376     {
 377         if (!strcmpW(pszTargetName, entry->pszTargetName))
 378         {
 379             if (bConfirm)
 380                 result = save_credentials(entry->pszTargetName, entry->pszUsername,
 381                                           entry->pszPassword, entry->generic);
 382             else
 383                 result = ERROR_SUCCESS;
 384
 385             list_remove(&entry->entry);
 386
 387             HeapFree(GetProcessHeap(), 0, entry->pszTargetName);
 388             HeapFree(GetProcessHeap(), 0, entry->pszUsername);
 389             HeapFree(GetProcessHeap(), 0, entry->pszPassword);
 390             HeapFree(GetProcessHeap(), 0, entry);
 391
 392             break;
 393         }
 394     }
 395
 396     LeaveCriticalSection(&csPendingCredentials);
 397
 398     return result;
 399 }
 400
 401 /******************************************************************************
 402  *           CredUIParseUserNameW [CREDUI.@]
 403  */
 404 DWORD WINAPI CredUIParseUserNameW(PCWSTR pszUserName, PWSTR pszUser,
 405                                   ULONG ulMaxUserChars, PWSTR pszDomain,
 406                                   ULONG ulMaxDomainChars)
 407 {
 408     PWSTR p;
 409
 410     TRACE("(%s, %p, %d, %p, %d)\n", debugstr_w(pszUserName), pszUser,
 411           ulMaxUserChars, pszDomain, ulMaxDomainChars);
 412
 413     if (!pszUserName || !pszUser || !ulMaxUserChars || !pszDomain ||
 414         !ulMaxDomainChars)
 415         return ERROR_INVALID_PARAMETER;
 416
 417     /* FIXME: handle marshaled credentials */
 418
 419     p = strchrW(pszUserName, '\\');
 420     if (p)
 421     {
 422         if (p - pszUserName > ulMaxDomainChars - 1)
 423             return ERROR_INSUFFICIENT_BUFFER;
 424         if (strlenW(p + 1) > ulMaxUserChars - 1)
 425             return ERROR_INSUFFICIENT_BUFFER;
 426         strcpyW(pszUser, p + 1);
 427         memcpy(pszDomain, pszUserName, (p - pszUserName)*sizeof(WCHAR));
 428         pszDomain[p - pszUserName] = '\0';
 429
 430         return ERROR_SUCCESS;
 431     }
 432
 433     p = strrchrW(pszUserName, '@');
 434     if (p)
 435     {
 436         if (p + 1 - pszUserName > ulMaxUserChars - 1)
 437             return ERROR_INSUFFICIENT_BUFFER;
 438         if (strlenW(p + 1) > ulMaxDomainChars - 1)
 439             return ERROR_INSUFFICIENT_BUFFER;
 440         strcpyW(pszDomain, p + 1);
 441         memcpy(pszUser, pszUserName, (p - pszUserName)*sizeof(WCHAR));
 442         pszUser[p - pszUserName] = '\0';
 443
 444         return ERROR_SUCCESS;
 445     }
 446
 447     if (strlenW(pszUserName) > ulMaxUserChars - 1)
 448         return ERROR_INSUFFICIENT_BUFFER;
 449     strcpyW(pszUser, pszUserName);
 450     pszDomain[0] = '\0';
 451
 452     return ERROR_SUCCESS;
 453 }
 454
 455 /******************************************************************************
 456  *           CredUIStoreSSOCredA [CREDUI.@]
 457  */
 458 DWORD WINAPI CredUIStoreSSOCredA(PCSTR pszRealm, PCSTR pszUsername,
 459                                  PCSTR pszPassword, BOOL bPersist)
 460 {
 461     FIXME("(%s, %s, %p, %d)\n", debugstr_a(pszRealm), debugstr_a(pszUsername),
 462           pszPassword, bPersist);
 463     return ERROR_SUCCESS;
 464 }
 465
 466 /******************************************************************************
 467  *           CredUIStoreSSOCredW [CREDUI.@]
 468  */
 469 DWORD WINAPI CredUIStoreSSOCredW(PCWSTR pszRealm, PCWSTR pszUsername,
 470                                  PCWSTR pszPassword, BOOL bPersist)
 471 {
 472     FIXME("(%s, %s, %p, %d)\n", debugstr_w(pszRealm), debugstr_w(pszUsername),
 473           pszPassword, bPersist);
 474     return ERROR_SUCCESS;
 475 }
 476
 477 /******************************************************************************
 478  *           CredUIReadSSOCredA [CREDUI.@]
 479  */
 480 DWORD WINAPI CredUIReadSSOCredA(PCSTR pszRealm, PSTR *ppszUsername)
 481 {
 482     FIXME("(%s, %p)\n", debugstr_a(pszRealm), ppszUsername);
 483     if (ppszUsername)
 484         *ppszUsername = NULL;
 485     return ERROR_NOT_FOUND;
 486 }
 487
 488 /******************************************************************************
 489  *           CredUIReadSSOCredW [CREDUI.@]
 490  */
 491 DWORD WINAPI CredUIReadSSOCredW(PCWSTR pszRealm, PWSTR *ppszUsername)
 492 {
 493     FIXME("(%s, %p)\n", debugstr_w(pszRealm), ppszUsername);
 494     if (ppszUsername)
 495         *ppszUsername = NULL;
 496     return ERROR_NOT_FOUND;
 497 }