modules/rostests/apitests/appshim/genral_hooks.c

   1 /*
   2  * PROJECT:     appshim_apitest
   3  * LICENSE:     GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
   4  * PURPOSE:     Test to document the hooks used by various shims in AcGenral
   5  * COPYRIGHT:   Copyright 2017-2018 Mark Jansen (mark.jansen@reactos.org)
   6  */
   7
   8 #include <ntstatus.h>
   9 #define WIN32_NO_STATUS
  10 #include <windows.h>
  11 #include <ndk/rtlfuncs.h>
  12 #include <strsafe.h>
  13 #include "wine/test.h"
  14
  15 #include "appshim_apitest.h"
  16
  17 static DWORD g_WinVersion;
  18
  19
  20 typedef struct expect_shim_hook
  21 {
  22     const char* Library;
  23     const char* Function;
  24 } expect_shim_hook;
  25
  26 typedef struct expect_shim_data
  27 {
  28     const WCHAR* ShimName;
  29     DWORD MinVersion;
  30     expect_shim_hook hooks[4];
  31 } expect_shim_data;
  32
  33
  34 static expect_shim_data data[] =
  35 {
  36     {
  37         L"IgnoreChromeSandbox",
  38         _WIN32_WINNT_WIN8,
  39         {
  40             { "KERNEL32.DLL", "CreateProcessW" },
  41         }
  42     },
  43     {
  44         L"AddProcessParametersFlags",
  45         0,
  46         /* No hooks */
  47     },
  48     {
  49         L"DisableThemes",
  50         0,
  51         /* No hooks */
  52     },
  53 };
  54
  55 static DWORD count_shims(expect_shim_data* data)
  56 {
  57     DWORD num;
  58     for (num = 0; num < _countof(data->hooks) && data->hooks[num].Library;)
  59     {
  60         ++num;
  61     }
  62     return num;
  63 }
  64
  65 static const char* safe_str(const char* ptr)
  66 {
  67     static char buffer[2][30];
  68     static int index = 0;
  69     if (HIWORD(ptr))
  70         return ptr;
  71
  72     index ^= 1;
  73     StringCchPrintfA(buffer[index], _countof(buffer[index]), "#%Id", (intptr_t)ptr);
  74     return buffer[index];
  75 }
  76
  77 START_TEST(genral_hooks)
  78 {
  79     RTL_OSVERSIONINFOEXW rtlinfo = {0};
  80     size_t n, h;
  81
  82     tGETHOOKAPIS pGetHookAPIs = LoadShimDLL2(L"AcGenral.dll");
  83     if (!pGetHookAPIs)
  84         return;
  85
  86     rtlinfo.dwOSVersionInfoSize = sizeof(rtlinfo);
  87     RtlGetVersion((PRTL_OSVERSIONINFOW)&rtlinfo);
  88     g_WinVersion = (rtlinfo.dwMajorVersion << 8) | rtlinfo.dwMinorVersion;
  89
  90
  91
  92     for (n = 0; n < _countof(data); ++n)
  93     {
  94         expect_shim_data* current = data + n;
  95         DWORD num_shims = 0, expected_shims = count_shims(current);
  96
  97         PHOOKAPI hook = pGetHookAPIs("", current->ShimName, &num_shims);
  98
  99         if (current->MinVersion > g_WinVersion && !hook)
 100         {
 101             skip("Shim %s not present\n", wine_dbgstr_w(current->ShimName));
 102             continue;
 103         }
 104
 105         ok(!!hook, "Expected a valid pointer, got nothing for %s\n", wine_dbgstr_w(current->ShimName));
 106         ok(num_shims == expected_shims, "Expected %u shims, got %u for %s\n",
 107            expected_shims, num_shims, wine_dbgstr_w(current->ShimName));
 108         for (h = 0; h < min(num_shims, expected_shims); ++h)
 109         {
 110             expect_shim_hook* expect_hk = current->hooks + h;
 111             PHOOKAPI got_hk = hook+h;
 112             int lib = lstrcmpA(expect_hk->Library, got_hk->LibraryName);
 113             int fn = lstrcmpA(safe_str(expect_hk->Function), safe_str(got_hk->FunctionName));
 114             ok(lib == 0, "Expected LibraryName to be %s, was: %s for %s\n",
 115                expect_hk->Library, got_hk->LibraryName, wine_dbgstr_w(current->ShimName));
 116             ok(fn == 0, "Expected FunctionName to be %s, was: %s for %s\n",
 117                safe_str(expect_hk->Function), safe_str(got_hk->FunctionName), wine_dbgstr_w(current->ShimName));
 118         }
 119         if (num_shims > expected_shims)
 120         {
 121             for (h = expected_shims; h < num_shims; ++h)
 122             {
 123                 PHOOKAPI got_hk = hook+h;
 124
 125                 ok(0, "Extra shim: %s!%s for %s\n",
 126                    got_hk->LibraryName, safe_str(got_hk->FunctionName), wine_dbgstr_w(current->ShimName));
 127             }
 128         }
 129         else
 130         {
 131             for (h = num_shims; h < expected_shims; ++h)
 132             {
 133                 expect_shim_hook* expect_hk = current->hooks + h;
 134
 135                 ok(0, "Missing shim: %s!%s for %s\n",
 136                    expect_hk->Library, safe_str(expect_hk->Function), wine_dbgstr_w(current->ShimName));
 137             }
 138         }
 139     }
 140 }