dlls/imagehlp/tests/integrity.c

   1 /*
   2  * Test suite for imagehlp integrity functions
   3  *
   4  * Copyright 2009 Owen Rudge 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 #define COBJMACROS
  22 #include "wine/test.h"
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winuser.h"
  26 #include "winerror.h"
  27 #include "winnt.h"
  28 #include "imagehlp.h"
  29
  30 static HMODULE hImageHlp;
  31 static char test_dll_path[MAX_PATH];
  32
  33 static BOOL (WINAPI *pImageAddCertificate)(HANDLE, LPWIN_CERTIFICATE, PDWORD);
  34 static BOOL (WINAPI *pImageEnumerateCertificates)(HANDLE, WORD, PDWORD, PDWORD, DWORD);
  35 static BOOL (WINAPI *pImageGetCertificateData)(HANDLE, DWORD, LPWIN_CERTIFICATE, PDWORD);
  36 static BOOL (WINAPI *pImageGetCertificateHeader)(HANDLE, DWORD, LPWIN_CERTIFICATE);
  37 static BOOL (WINAPI *pImageRemoveCertificate)(HANDLE, DWORD);
  38
  39 static char test_cert_data[] =
  40 {0x30,0x82,0x02,0xE1,0x06,0x09,0x2A,0x86,0x48,0x86,0xF7,0x0D,0x01,0x07,0x02
  41 ,0xA0,0x82,0x02,0xD2,0x30,0x82,0x02,0xCE,0x02,0x01,0x01,0x31,0x00,0x30,0x0B
  42 ,0x06,0x09,0x2A,0x86,0x48,0x86,0xF7,0x0D,0x01,0x07,0x01,0xA0,0x82,0x02,0xB4
  43 ,0x30,0x82,0x02,0xB0,0x30,0x82,0x02,0x19,0xA0,0x03,0x02,0x01,0x02,0x02,0x09
  44 ,0x00,0xE2,0x59,0x17,0xA5,0x87,0x0F,0x88,0x89,0x30,0x0D,0x06,0x09,0x2A,0x86
  45 ,0x48,0x86,0xF7,0x0D,0x01,0x01,0x05,0x05,0x00,0x30,0x45,0x31,0x0B,0x30,0x09
  46 ,0x06,0x03,0x55,0x04,0x06,0x13,0x02,0x41,0x55,0x31,0x13,0x30,0x11,0x06,0x03
  47 ,0x55,0x04,0x08,0x13,0x0A,0x53,0x6F,0x6D,0x65,0x2D,0x53,0x74,0x61,0x74,0x65
  48 ,0x31,0x21,0x30,0x1F,0x06,0x03,0x55,0x04,0x0A,0x13,0x18,0x49,0x6E,0x74,0x65
  49 ,0x72,0x6E,0x65,0x74,0x20,0x57,0x69,0x64,0x67,0x69,0x74,0x73,0x20,0x50,0x74
  50 ,0x79,0x20,0x4C,0x74,0x64,0x30,0x1E,0x17,0x0D,0x30,0x39,0x31,0x31,0x32,0x30
  51 ,0x31,0x37,0x33,0x38,0x31,0x32,0x5A,0x17,0x0D,0x31,0x30,0x31,0x31,0x32,0x30
  52 ,0x31,0x37,0x33,0x38,0x31,0x32,0x5A,0x30,0x45,0x31,0x0B,0x30,0x09,0x06,0x03
  53 ,0x55,0x04,0x06,0x13,0x02,0x41,0x55,0x31,0x13,0x30,0x11,0x06,0x03,0x55,0x04
  54 ,0x08,0x13,0x0A,0x53,0x6F,0x6D,0x65,0x2D,0x53,0x74,0x61,0x74,0x65,0x31,0x21
  55 ,0x30,0x1F,0x06,0x03,0x55,0x04,0x0A,0x13,0x18,0x49,0x6E,0x74,0x65,0x72,0x6E
  56 ,0x65,0x74,0x20,0x57,0x69,0x64,0x67,0x69,0x74,0x73,0x20,0x50,0x74,0x79,0x20
  57 ,0x4C,0x74,0x64,0x30,0x81,0x9F,0x30,0x0D,0x06,0x09,0x2A,0x86,0x48,0x86,0xF7
  58 ,0x0D,0x01,0x01,0x01,0x05,0x00,0x03,0x81,0x8D,0x00,0x30,0x81,0x89,0x02,0x81
  59 ,0x81,0x00,0x9B,0xC1,0x5E,0x28,0x70,0x32,0x81,0xEF,0x41,0x5C,0xCA,0x29,0x4A
  60 ,0xB0,0x12,0xF7,0xAE,0x1E,0x30,0x93,0x14,0x3E,0x54,0x7C,0xC3,0x60,0x8C,0xB2
  61 ,0x2F,0xC4,0x1F,0x20,0xEE,0x76,0xAC,0x83,0xD9,0xD4,0xC0,0x3C,0x78,0x6B,0xAA
  62 ,0xA2,0x35,0x08,0x72,0x4A,0x5F,0xAE,0xD6,0x7D,0x5A,0xD8,0x27,0xEC,0xE0,0x24
  63 ,0xBE,0xBE,0x62,0x86,0xF9,0x83,0x66,0x20,0xBC,0xF6,0x4B,0xC8,0x2D,0x1B,0x4C
  64 ,0x5C,0xFA,0x0C,0x42,0x9F,0x57,0x49,0xDC,0xB9,0xC7,0x88,0x53,0xFA,0x26,0x21
  65 ,0xC3,0xAB,0x4D,0x93,0x83,0x48,0x88,0xF1,0x14,0xB8,0x64,0x03,0x46,0x58,0x35
  66 ,0xAC,0xD2,0xD2,0x9C,0xD4,0x6F,0xA4,0xE4,0x88,0x83,0x1C,0xD8,0x98,0xEE,0x2C
  67 ,0xA3,0xEC,0x0C,0x4B,0xFB,0x1D,0x6E,0xBE,0xD9,0x77,0x02,0x03,0x01,0x00,0x01
  68 ,0xA3,0x81,0xA7,0x30,0x81,0xA4,0x30,0x1D,0x06,0x03,0x55,0x1D,0x0E,0x04,0x16
  69 ,0x04,0x14,0x3F,0xB3,0xC8,0x15,0x12,0xC7,0xD8,0xC0,0x13,0x3D,0xBE,0xF1,0x2F
  70 ,0x5A,0xB3,0x51,0x59,0x79,0x89,0xF8,0x30,0x75,0x06,0x03,0x55,0x1D,0x23,0x04
  71 ,0x6E,0x30,0x6C,0x80,0x14,0x3F,0xB3,0xC8,0x15,0x12,0xC7,0xD8,0xC0,0x13,0x3D
  72 ,0xBE,0xF1,0x2F,0x5A,0xB3,0x51,0x59,0x79,0x89,0xF8,0xA1,0x49,0xA4,0x47,0x30
  73 ,0x45,0x31,0x0B,0x30,0x09,0x06,0x03,0x55,0x04,0x06,0x13,0x02,0x41,0x55,0x31
  74 ,0x13,0x30,0x11,0x06,0x03,0x55,0x04,0x08,0x13,0x0A,0x53,0x6F,0x6D,0x65,0x2D
  75 ,0x53,0x74,0x61,0x74,0x65,0x31,0x21,0x30,0x1F,0x06,0x03,0x55,0x04,0x0A,0x13
  76 ,0x18,0x49,0x6E,0x74,0x65,0x72,0x6E,0x65,0x74,0x20,0x57,0x69,0x64,0x67,0x69
  77 ,0x74,0x73,0x20,0x50,0x74,0x79,0x20,0x4C,0x74,0x64,0x82,0x09,0x00,0xE2,0x59
  78 ,0x17,0xA5,0x87,0x0F,0x88,0x89,0x30,0x0C,0x06,0x03,0x55,0x1D,0x13,0x04,0x05
  79 ,0x30,0x03,0x01,0x01,0xFF,0x30,0x0D,0x06,0x09,0x2A,0x86,0x48,0x86,0xF7,0x0D
  80 ,0x01,0x01,0x05,0x05,0x00,0x03,0x81,0x81,0x00,0x52,0x09,0xA5,0x81,0x63,0xEF
  81 ,0xF7,0x76,0x65,0x2B,0xA5,0x48,0xC1,0xC5,0xE0,0x73,0x60,0x9B,0x66,0x2E,0x21
  82 ,0xCF,0xF2,0xBD,0xFF,0x81,0xC4,0x99,0x39,0xD0,0x5D,0x1B,0x12,0xFD,0xAE,0x30
  83 ,0x5D,0x9C,0x1A,0xD4,0x76,0x8A,0x25,0x10,0x0A,0x7E,0x5D,0x78,0xB5,0x94,0xD8
  84 ,0x97,0xBD,0x9A,0x5A,0xD6,0x23,0xCA,0x5C,0x46,0x8C,0xC7,0x30,0x45,0xB4,0x77
  85 ,0x44,0x6F,0x16,0xDD,0xC6,0x58,0xFE,0x16,0x15,0xAD,0xB8,0x58,0x49,0x9A,0xFE
  86 ,0x6B,0x87,0x78,0xEE,0x13,0xFF,0x29,0x26,0x8E,0x13,0x83,0x0D,0x18,0xCA,0x9F
  87 ,0xA9,0x3E,0x6E,0x3C,0xA6,0x50,0x4A,0x04,0x71,0x9F,0x2E,0xCF,0x25,0xA6,0x03
  88 ,0x46,0xCA,0xEB,0xEA,0x67,0x89,0x49,0x7C,0x43,0xA2,0x52,0xD9,0x41,0xCC,0x65
  89 ,0xED,0x2D,0xA1,0x00,0x31,0x00};
  90
  91 static char test_cert_data_2[] = {0xDE,0xAD,0xBE,0xEF,0x01,0x02,0x03};
  92
  93 static BOOL copy_dll_file(void)
  94 {
  95     char sys_dir[MAX_PATH+15];
  96     char temp_path[MAX_PATH];
  97
  98     if (GetSystemDirectoryA(sys_dir, MAX_PATH) == 0)
  99     {
 100         skip("Failed to get system directory. Skipping certificate/PE image tests.\n");
 101         return FALSE;
 102     }
 103
 104     if (sys_dir[lstrlenA(sys_dir) - 1] != '\\')
 105         lstrcatA(sys_dir, "\\");
 106
 107     lstrcatA(sys_dir, "imagehlp.dll");
 108
 109     /* Copy DLL to a temp file */
 110     GetTempPath(MAX_PATH, temp_path);
 111     GetTempFileName(temp_path, "img", 0, test_dll_path);
 112
 113     if (CopyFile(sys_dir, test_dll_path, FALSE) == 0)
 114     {
 115         skip("Unable to create copy of imagehlp.dll for tests.\n");
 116         return FALSE;
 117     }
 118
 119     return TRUE;
 120 }
 121
 122 static DWORD get_file_size(void)
 123 {
 124     HANDLE file;
 125     DWORD filesize = 0;
 126
 127     file = CreateFileA(test_dll_path, GENERIC_READ, FILE_SHARE_READ, NULL,
 128                        OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
 129     if (file == INVALID_HANDLE_VALUE)
 130         return 0;
 131
 132     filesize = GetFileSize(file, NULL);
 133     CloseHandle(file);
 134
 135     return filesize;
 136 }
 137
 138 static void test_add_certificate(char *cert_data, int len)
 139 {
 140     HANDLE hFile;
 141     LPWIN_CERTIFICATE cert;
 142     DWORD cert_len;
 143     DWORD index;
 144     BOOL ret;
 145
 146     hFile = CreateFileA(test_dll_path, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
 147
 148     if (hFile == INVALID_HANDLE_VALUE)
 149     {
 150         skip("Unable to open %s, skipping test\n", test_dll_path);
 151         return;
 152     }
 153
 154     cert_len = sizeof(WIN_CERTIFICATE) + len;
 155     cert = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, cert_len);
 156
 157     if (!cert)
 158     {
 159         skip("Unable to allocate memory, skipping test\n");
 160         CloseHandle(hFile);
 161         return;
 162     }
 163
 164     cert->dwLength = cert_len;
 165     cert->wRevision = WIN_CERT_REVISION_1_0;
 166     cert->wCertificateType = WIN_CERT_TYPE_PKCS_SIGNED_DATA;
 167     CopyMemory(cert->bCertificate, cert_data, len);
 168
 169     ret = pImageAddCertificate(hFile, cert, &index);
 170     ok(ret, "Unable to add certificate to image, error %x\n", GetLastError());
 171
 172     HeapFree(GetProcessHeap(), 0, cert);
 173     CloseHandle(hFile);
 174 }
 175
 176 static void test_get_certificate(char *cert_data, int index)
 177 {
 178     HANDLE hFile;
 179     LPWIN_CERTIFICATE cert;
 180     DWORD cert_len = 0;
 181     DWORD err, ret;
 182
 183     hFile = CreateFileA(test_dll_path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
 184
 185     if (hFile == INVALID_HANDLE_VALUE)
 186     {
 187         skip("Unable to open %s, skipping test\n", test_dll_path);
 188         return;
 189     }
 190
 191     ret = pImageGetCertificateData(hFile, index, NULL, &cert_len);
 192     err = GetLastError();
 193
 194     ok ((ret == FALSE) && (err == ERROR_INSUFFICIENT_BUFFER), "ImageGetCertificateData gave unexpected result; ret=%d / err=%x\n", ret, err);
 195
 196     cert = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, cert_len);
 197
 198     if (!cert)
 199     {
 200         skip("Unable to allocate memory, skipping test\n");
 201         CloseHandle(hFile);
 202         return;
 203     }
 204
 205     ret = pImageGetCertificateData(hFile, index, cert, &cert_len);
 206     ok(ret, "Unable to retrieve certificate; err=%x\n", GetLastError());
 207     ok(memcmp(cert->bCertificate, cert_data, cert_len - sizeof(WIN_CERTIFICATE)) == 0, "Certificate retrieved did not match original\n");
 208
 209     HeapFree(GetProcessHeap(), 0, cert);
 210     CloseHandle(hFile);
 211 }
 212
 213 static void test_remove_certificate(int index)
 214 {
 215     DWORD orig_count = 0, count = 0;
 216     HANDLE hFile;
 217     BOOL ret;
 218
 219     hFile = CreateFileA(test_dll_path, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
 220
 221     if (hFile == INVALID_HANDLE_VALUE)
 222     {
 223         skip("Unable to open %s, skipping test\n", test_dll_path);
 224         return;
 225     }
 226
 227     ret = pImageEnumerateCertificates(hFile, CERT_SECTION_TYPE_ANY, &orig_count, NULL, 0);
 228     ok (ret, "Unable to enumerate certificates in file; err=%x\n", GetLastError());
 229     ret = pImageRemoveCertificate(hFile, index);
 230     ok (ret, "Unable to remove certificate from file; err=%x\n", GetLastError());
 231
 232     /* Test to see if the certificate has actually been removed */
 233     pImageEnumerateCertificates(hFile, CERT_SECTION_TYPE_ANY, &count, NULL, 0);
 234     ok (count == orig_count - 1, "Certificate count mismatch; orig=%d new=%d\n", orig_count, count);
 235
 236     CloseHandle(hFile);
 237 }
 238
 239 START_TEST(integrity)
 240 {
 241     DWORD file_size, file_size_orig;
 242
 243     hImageHlp = LoadLibraryA("imagehlp.dll");
 244
 245     if (!hImageHlp)
 246     {
 247         win_skip("ImageHlp unavailable\n");
 248         return;
 249     }
 250
 251     if (!copy_dll_file())
 252     {
 253         FreeLibrary(hImageHlp);
 254         return;
 255     }
 256
 257     file_size_orig = get_file_size();
 258     /*
 259      * Align file_size_orig to an 8-byte boundary. This avoids tests failures where
 260      * the original dll is not correctly aligned (but when written to it will be).
 261      */
 262     if (file_size_orig % 8 != 0)
 263     {
 264         skip("We need to align to an 8-byte boundary\n");
 265         file_size_orig = (file_size_orig + 7) & ~7;
 266     }
 267
 268     pImageAddCertificate = (void *) GetProcAddress(hImageHlp, "ImageAddCertificate");
 269     pImageEnumerateCertificates = (void *) GetProcAddress(hImageHlp, "ImageEnumerateCertificates");
 270     pImageGetCertificateData = (void *) GetProcAddress(hImageHlp, "ImageGetCertificateData");
 271     pImageGetCertificateHeader = (void *) GetProcAddress(hImageHlp, "ImageGetCertificateHeader");
 272     pImageRemoveCertificate = (void *) GetProcAddress(hImageHlp, "ImageRemoveCertificate");
 273
 274     test_add_certificate(test_cert_data, sizeof(test_cert_data));
 275     test_get_certificate(test_cert_data, 0);
 276     test_remove_certificate(0);
 277
 278     file_size = get_file_size();
 279     ok(file_size == file_size_orig, "File size different after add and remove (old: %d; new: %d)\n", file_size_orig, file_size);
 280
 281     /* Try adding multiple certificates */
 282     test_add_certificate(test_cert_data, sizeof(test_cert_data));
 283     test_add_certificate(test_cert_data_2, sizeof(test_cert_data_2));
 284
 285     test_get_certificate(test_cert_data, 0);
 286     test_get_certificate(test_cert_data_2, 1);
 287
 288     /* Remove the first one and verify the second certificate is intact */
 289     test_remove_certificate(0);
 290     test_get_certificate(test_cert_data_2, 0);
 291
 292     test_remove_certificate(0);
 293
 294     file_size = get_file_size();
 295     ok(file_size == file_size_orig, "File size different after add and remove (old: %d; new: %d)\n", file_size_orig, file_size);
 296
 297     FreeLibrary(hImageHlp);
 298     DeleteFile(test_dll_path);
 299 }