modules/rostests/apitests/utildll/CachedGetUserFromSid.c

   1 /*
   2  * PROJECT:     ReactOS API Tests
   3  * LICENSE:     GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
   4  * PURPOSE:     Tests for CachedGetUserFromSid
   5  * COPYRIGHT:   Copyright 2020 Serge Gautherie <reactos-git_serge_171003@gautherie.fr>
   6  */
   7
   8 #include <apitest.h>
   9
  10 #include <lmcons.h>
  11 #include <wchar.h>
  12
  13 static VOID (WINAPI *pCachedGetUserFromSid)(PSID pSid, LPWSTR pUserName, PULONG pcwcUserName);
  14
  15 static void test_Sid_Null(void)
  16 {
  17     const WCHAR szUserNameFromNull[] = L"(unknown)";
  18     const ULONG cchUserNameFromNull = (ULONG)wcslen(szUserNameFromNull);
  19
  20     WCHAR szUserName[UNLEN + 1];
  21     ULONG cchUserName;
  22
  23     // First, full success case, to load result into cache.
  24     // Otherwise, expect misbehavior/corruption/crash!
  25     // Same issues with 'NULL' or '0' arguments.
  26     // Behavior changed on NT6.0 then NT6.1+...
  27
  28     wmemset(szUserName, L'?', _countof(szUserName));
  29     cchUserName = _countof(szUserName);
  30     pCachedGetUserFromSid(NULL, szUserName, &cchUserName);
  31     ok(cchUserName == cchUserNameFromNull, "cchUserName: expected %lu, got %lu\n", cchUserNameFromNull, cchUserName);
  32     ok(wcscmp(szUserName, szUserNameFromNull) == 0, "szUserName: expected \"%S\", got \"%.*S\"\n", szUserNameFromNull, (int)cchUserName, szUserName);
  33
  34     wmemset(szUserName, L'?', _countof(szUserName));
  35     cchUserName = 1;
  36     pCachedGetUserFromSid(NULL, szUserName, &cchUserName);
  37     ok(cchUserName == 0, "cchUserName: expected 0, got %lu\n", cchUserName);
  38     ok(szUserName[0] == UNICODE_NULL, "szUserName: missing UNICODE_NULL, got \"%.*S\"\n", (int)cchUserName, szUserName);
  39
  40     wmemset(szUserName, L'?', _countof(szUserName));
  41     cchUserName = 2;
  42     pCachedGetUserFromSid(NULL, szUserName, &cchUserName);
  43     ok(cchUserName == 1, "cchUserName: expected 0, got %lu\n", cchUserName);
  44     ok(szUserName[1] == UNICODE_NULL, "szUserName: missing UNICODE_NULL, got \"%.*S\"\n", (int)cchUserName, szUserName);
  45     ok(wcsncmp(szUserName, szUserNameFromNull, 1) == 0, "szUserName: expected \"%.*S\", got \"%.*S\"\n", 1, szUserNameFromNull, (int)cchUserName, szUserName);
  46
  47     wmemset(szUserName, L'?', _countof(szUserName));
  48     cchUserName = cchUserNameFromNull;
  49     pCachedGetUserFromSid(NULL, szUserName, &cchUserName);
  50     ok(cchUserName == cchUserNameFromNull - 1, "cchUserName: expected %lu, got %lu\n", cchUserNameFromNull - 1, cchUserName);
  51     ok(szUserName[cchUserNameFromNull - 1] == UNICODE_NULL, "szUserName: missing UNICODE_NULL, got \"%.*S\"\n", (int)cchUserName, szUserName);
  52     ok(wcsncmp(szUserName, szUserNameFromNull, cchUserNameFromNull - 1) == 0, "szUserName: expected \"%.*S\", got \"%.*S\"\n", (int)cchUserNameFromNull - 1, szUserNameFromNull, (int)cchUserName, szUserName);
  53
  54     wmemset(szUserName, L'?', _countof(szUserName));
  55     cchUserName = cchUserNameFromNull + 1;
  56     pCachedGetUserFromSid(NULL, szUserName, &cchUserName);
  57     ok(cchUserName == cchUserNameFromNull, "cchUserName: expected %lu, got %lu\n", cchUserNameFromNull, cchUserName);
  58     ok(wcscmp(szUserName, szUserNameFromNull) == 0, "szUserName: expected \"%S\", got \"%.*S\"\n", szUserNameFromNull, (int)cchUserName, szUserName);
  59 }
  60
  61 START_TEST(CachedGetUserFromSid)
  62 {
  63     const char szFunction[] = "CachedGetUserFromSid";
  64
  65     // TODO: Dynamically checking, until ReactOS implements this dll.
  66     HMODULE hModule = LoadLibraryW(L"utildll.dll");
  67     DWORD dwLE = GetLastError();
  68
  69     if (!hModule)
  70     {
  71         ok(FALSE, "LoadLibraryW(\"%S\") failed! (dwLE = %lu)\n", L"utildll.dll", dwLE);
  72
  73         skip("No DLL\n");
  74         return;
  75     }
  76
  77     void *pFunction = (void *)GetProcAddress(hModule, szFunction);
  78     dwLE = GetLastError();
  79
  80     if (!pFunction)
  81     {
  82         ok(FALSE, "GetProcAddress(\"%s\") failed! (dwLE = %lu)\n", szFunction, dwLE);
  83
  84         skip("No function\n");
  85         FreeLibrary(hModule);
  86         return;
  87     }
  88
  89     pCachedGetUserFromSid = pFunction;
  90
  91     test_Sid_Null();
  92
  93     FreeLibrary(hModule);
  94 }