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Commit 602ff38c authored by Vijay Kiran Kamuju's avatar Vijay Kiran Kamuju Committed by Alexandre Julliard
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imagehlp/tests: Add initial tests for CheckSumMappedFile.

Based on a patch by Michael Müller. Signed-off-by: 's avatarVijay Kiran Kamuju <infyquest@gmail.com> Signed-off-by: 's avatarAlexandre Julliard <julliard@winehq.org>
parent 8236c7a8
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Showing with 170 additions and 30 deletions
dlls/imagehlp/modify.c
View file @ 602ff38c
......@@ -89,40 +89,19 @@ PIMAGE_NT_HEADERS WINAPI CheckSumMappedFile(
LPVOID BaseAddress, DWORD FileLength,
LPDWORD HeaderSum, LPDWORD CheckSum)
{
IMAGE_DOS_HEADER *dos = (IMAGE_DOS_HEADER *) BaseAddress;
PIMAGE_NT_HEADERS32 Header32;
PIMAGE_NT_HEADERS64 Header64;
DWORD *ChecksumFile;
PIMAGE_NT_HEADERS header;
DWORD CalcSum;
DWORD HdrSum;
TRACE("(%p, %d, %p, %p)\n",
BaseAddress, FileLength, HeaderSum, CheckSum
);
CalcSum = (DWORD)CalcCheckSum(0,
BaseAddress,
(FileLength + 1) / sizeof(WORD));
TRACE("(%p, %d, %p, %p)\n", BaseAddress, FileLength, HeaderSum, CheckSum);
if (dos->e_magic != IMAGE_DOS_SIGNATURE)
return NULL;
CalcSum = CalcCheckSum(0, BaseAddress, (FileLength + 1) / sizeof(WORD));
header = RtlImageNtHeader(BaseAddress);
Header32 = (IMAGE_NT_HEADERS32 *)((char *)dos + dos->e_lfanew);
if (Header32->Signature != IMAGE_NT_SIGNATURE)
return NULL;
if (Header32->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR32_MAGIC)
ChecksumFile = &Header32->OptionalHeader.CheckSum;
else if (Header32->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR64_MAGIC)
{
Header64 = (IMAGE_NT_HEADERS64 *)Header32;
ChecksumFile = &Header64->OptionalHeader.CheckSum;
}
else
if (!header)
return NULL;
HdrSum = *ChecksumFile;
*HeaderSum = HdrSum = header->OptionalHeader.CheckSum;
/* Subtract image checksum from calculated checksum. */
/* fix low word of checksum */
......@@ -149,9 +128,8 @@ PIMAGE_NT_HEADERS WINAPI CheckSumMappedFile(
CalcSum += FileLength;
*CheckSum = CalcSum;
*HeaderSum = *ChecksumFile;
return (PIMAGE_NT_HEADERS) Header32;
return header;
}
/***********************************************************************
......
dlls/imagehlp/tests/integrity.c
View file @ 602ff38c
......@@ -26,8 +26,9 @@
#include "winerror.h"
#include "winnt.h"
#include "imagehlp.h"
#include "psapi.h"
static HMODULE hImageHlp;
static HMODULE hImageHlp, hPsapi, hNtdll;
static char test_dll_path[MAX_PATH];
static BOOL (WINAPI *pImageAddCertificate)(HANDLE, LPWIN_CERTIFICATE, PDWORD);
......@@ -35,6 +36,11 @@ static BOOL (WINAPI *pImageEnumerateCertificates)(HANDLE, WORD, PDWORD, PDWORD,
static BOOL (WINAPI *pImageGetCertificateData)(HANDLE, DWORD, LPWIN_CERTIFICATE, PDWORD);
static BOOL (WINAPI *pImageGetCertificateHeader)(HANDLE, DWORD, LPWIN_CERTIFICATE);
static BOOL (WINAPI *pImageRemoveCertificate)(HANDLE, DWORD);
static PIMAGE_NT_HEADERS (WINAPI *pCheckSumMappedFile)(PVOID, DWORD, PDWORD, PDWORD);
static BOOL (WINAPI *pGetModuleInformation)(HANDLE, HMODULE, LPMODULEINFO, DWORD);
static PIMAGE_NT_HEADERS (WINAPI *pRtlImageNtHeader)(PVOID);
static const char test_cert_data[] =
{0x30,0x82,0x02,0xE1,0x06,0x09,0x2A,0x86,0x48,0x86,0xF7,0x0D,0x01,0x07,0x02
......@@ -90,6 +96,27 @@ static const char test_cert_data[] =
static const char test_cert_data_2[] = {0xDE,0xAD,0xBE,0xEF,0x01,0x02,0x03};
static char test_pe_executable[] =
{
0x4d,0x5a,0x90,0x00,0x03,0x00,0x00,0x00,0x04,0x00,0x00,0x00,0xff,0xff,0x00,
0x00,0xb8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x40,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x80,0x00,0x00,0x00,0x0e,0x1f,0xba,0x0e,0x00,0xb4,0x09,0xcd,0x21,0xb8,0x01,
0x4c,0xcd,0x21,0x54,0x68,0x69,0x73,0x20,0x70,0x72,0x6f,0x67,0x72,0x61,0x6d,
0x20,0x63,0x61,0x6e,0x6e,0x6f,0x74,0x20,0x62,0x65,0x20,0x72,0x75,0x6e,0x20,
0x69,0x6e,0x20,0x44,0x4f,0x53,0x20,0x6d,0x6f,0x64,0x65,0x2e,0x0d,0x0d,0x0a,
0x24,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x50,0x45,0x00,0x00,0x4c,0x01,0x0f,
0x00,0xfd,0x38,0xc9,0x55,0x00,0x24,0x01,0x00,0xea,0x04,0x00,0x00,0xe0,0x00,
0x07,0x01,0x0b,0x01,0x02,0x18,0x00,0x1a,0x00,0x00,0x00,0x2c,0x00,0x00,0x00,
0x06,0x00,0x00,0xe0,0x14,0x00,0x00,0x00,0x10,0x00,0x00,0x00,0x30,0x00,0x00,
0x00,0x00,0x40,0x00,0x00,0x10,0x00,0x00,0x00,0x02,0x00,0x00,0x04,0x00,0x00,
0x00,0x01,0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xc0,
0x01,0x00,0x00,0x04,0x00,0x00,/* checksum */ 0x11,0xEF,0xCD,0xAB,0x03,0x00,
0x00,0x00,0x00,0x00,0x20,0x00,0x00,0x10,0x00,0x00,0x00,0x00,0x10,0x00,0x00,
0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x00,0x00,0x00
};
static BOOL copy_dll_file(void)
{
char sys_dir[MAX_PATH+15];
......@@ -239,6 +266,128 @@ static void test_remove_certificate(int index)
CloseHandle(hFile);
}
static void test_pe_checksum(void)
{
DWORD checksum_orig, checksum_new, checksum_correct;
PIMAGE_NT_HEADERS nt_header;
PIMAGE_NT_HEADERS ret;
MODULEINFO modinfo;
char buffer[20];
BOOL ret_bool;
if (!pCheckSumMappedFile)
{
win_skip("CheckSumMappedFile not supported, skipping tests\n");
return;
}
SetLastError(0xdeadbeef);
ret = pCheckSumMappedFile(NULL, 0, &checksum_orig, &checksum_new);
ok(!ret, "Expected CheckSumMappedFile to fail, got %p\n", ret);
ok(((GetLastError() == ERROR_INVALID_PARAMETER)||(GetLastError() == 0xdeadbeef)),
"Expected 0xdeadbeef (XP) or ERROR_INVALID_PARAMETER (Vista+), got %x\n", GetLastError());
SetLastError(0xdeadbeef);
ret = pCheckSumMappedFile((void *)0xdeadbeef, 0, &checksum_orig, &checksum_new);
ok(!ret, "Expected CheckSumMappedFile to fail, got %p\n", ret);
ok(((GetLastError() == ERROR_INVALID_PARAMETER)||(GetLastError() == 0xdeadbeef)),
"Expected 0xdeadbeef (XP) or ERROR_INVALID_PARAMETER (Vista+), got %x\n", GetLastError());
/* basic checksum tests */
memset(buffer, 0x11, sizeof(buffer));
checksum_orig = checksum_new = 0xdeadbeef;
ret = pCheckSumMappedFile(buffer, sizeof(buffer), &checksum_orig, &checksum_new);
ok(ret == NULL, "Expected NULL, got %p\n", ret);
todo_wine ok(checksum_orig == 0, "Expected 0, got %x\n", checksum_orig);
todo_wine ok(checksum_new == 0xaabe, "Expected 0xaabe, got %x\n", checksum_new);
memset(buffer, 0x22, sizeof(buffer));
checksum_orig = checksum_new = 0xdeadbeef;
ret = pCheckSumMappedFile(buffer, sizeof(buffer), &checksum_orig, &checksum_new);
ok(ret == NULL, "Expected NULL, got %p\n", ret);
todo_wine ok(checksum_orig == 0, "Expected 0, got %x\n", checksum_orig);
todo_wine ok(checksum_new == 0x5569, "Expected 0x5569, got %x\n", checksum_new);
memset(buffer, 0x22, sizeof(buffer));
checksum_orig = checksum_new = 0xdeadbeef;
ret = pCheckSumMappedFile(buffer, 10, &checksum_orig, &checksum_new);
ok(ret == NULL, "Expected NULL, got %p\n", ret);
todo_wine ok(checksum_orig == 0, "Expected 0, got %x\n", checksum_orig);
todo_wine ok(checksum_new == 0xaab4, "Expected 0xaab4, got %x\n", checksum_new);
memset(buffer, 0x22, sizeof(buffer));
checksum_orig = checksum_new = 0xdeadbeef;
ret = pCheckSumMappedFile(buffer, 11, &checksum_orig, &checksum_new);
ok(ret == NULL, "Expected NULL, got %p\n", ret);
todo_wine ok(checksum_orig == 0, "Expected 0, got %x\n", checksum_orig);
todo_wine ok(checksum_new == 0xaad7, "Expected 0xaad7, got %x\n", checksum_new);
/* test checksum of PE module */
checksum_orig = checksum_new = 0xdeadbeef;
ret = pCheckSumMappedFile(test_pe_executable, sizeof(test_pe_executable),
&checksum_orig, &checksum_new);
ok((char *)ret == test_pe_executable + 0x80, "Expected %p, got %p\n", test_pe_executable + 0x80, ret);
ok(checksum_orig == 0xabcdef11, "Expected 0xabcdef11, got %x\n", checksum_orig);
ok(checksum_new == 0xaa4, "Expected 0xaa4, got %x\n", checksum_new);
if (!pGetModuleInformation)
{
win_skip("GetModuleInformation not supported, skipping tests\n");
return;
}
ret_bool = pGetModuleInformation(GetCurrentProcess(), GetModuleHandleA(NULL),
&modinfo, sizeof(modinfo));
ok(ret_bool, "GetModuleInformation failed, error: %x\n", GetLastError());
SetLastError(0xdeadbeef);
checksum_orig = checksum_new = 0xdeadbeef;
ret = pCheckSumMappedFile(modinfo.lpBaseOfDll, modinfo.SizeOfImage, &checksum_orig, &checksum_new);
ok(ret != NULL, "Expected CheckSumMappedFile to succeed\n");
ok(GetLastError() == 0xdeadbeef, "Expected err=0xdeadbeef, got %x\n", GetLastError());
ok(checksum_orig != 0xdeadbeef, "Expected orig checksum != 0xdeadbeef\n");
ok(checksum_new != 0xdeadbeef, "Expected new checksum != 0xdeadbeef\n");
SetLastError(0xdeadbeef);
checksum_orig = checksum_new = 0xdeadbeef;
ret = pCheckSumMappedFile((char *)modinfo.lpBaseOfDll + 100, modinfo.SizeOfImage - 100,
&checksum_orig, &checksum_new);
ok(!ret, "Expected CheckSumMappedFile to fail, got %p\n", ret);
ok(GetLastError() == 0xdeadbeef, "Expected err=0xdeadbeef, got %x\n", GetLastError());
todo_wine ok(checksum_orig == 0, "Expected 0, got %x\n", checksum_orig);
todo_wine ok(checksum_new != 0 && checksum_new != 0xdeadbeef, "Got unexpected value %x\n", checksum_new);
nt_header = pRtlImageNtHeader( modinfo.lpBaseOfDll );
checksum_correct = nt_header->OptionalHeader.CheckSum;
checksum_orig = checksum_new = 0xdeadbeef;
ret = pCheckSumMappedFile(modinfo.lpBaseOfDll, (char *)nt_header - (char *)modinfo.lpBaseOfDll,
&checksum_orig, &checksum_new);
ok(!ret || (ret == nt_header), "Expected CheckSumMappedFile to fail, got %p", ret);
ok((checksum_orig == 0) || (checksum_orig == checksum_correct), "Expected %x, got %x\n", checksum_correct, checksum_orig);
ok(checksum_new != 0 && checksum_new != 0xdeadbeef, "Got unexpected value %x\n", checksum_new);
checksum_orig = checksum_new = 0xdeadbeef;
ret = pCheckSumMappedFile(modinfo.lpBaseOfDll, sizeof(IMAGE_DOS_HEADER),
&checksum_orig, &checksum_new);
ok(!ret || (ret == nt_header), "Expected CheckSumMappedFile to fail, got %p", ret);
ok((checksum_orig == 0) || (checksum_orig == checksum_correct), "Expected %x, got %x\n", checksum_correct, checksum_orig);
ok(checksum_new != 0 && checksum_new != 0xdeadbeef, "Got unexpected value %x\n", checksum_new);
checksum_orig = checksum_new = 0xdeadbeef;
ret = pCheckSumMappedFile(modinfo.lpBaseOfDll, 0, &checksum_orig, &checksum_new);
ok(!ret || (ret == nt_header), "Expected CheckSumMappedFile to fail, got %p", ret);
ok((checksum_orig == 0xdeadbeef) || (checksum_orig == checksum_correct), "Expected %x, got %x\n", checksum_correct, checksum_orig);
todo_wine ok((checksum_new == 0xdeadbeef) || (checksum_new != 0 && checksum_new != 0xdeadbeef), "Got unexpected value %x\n", checksum_new);
checksum_orig = checksum_new = 0xdeadbeef;
ret = pCheckSumMappedFile((char *)modinfo.lpBaseOfDll + 1, 0,
&checksum_orig, &checksum_new);
ok(ret == NULL, "Expected NULL, got %p\n", ret);
ok((checksum_orig == 0) || (checksum_orig == 0xdeadbeef), "Expected 0, got %x\n", checksum_orig);
ok((checksum_new == 0) || (checksum_new == 0xdeadbeef), "Expected 0, got %x\n", checksum_new);
}
START_TEST(integrity)
{
DWORD file_size, file_size_orig, first, second;
......@@ -273,6 +422,15 @@ START_TEST(integrity)
pImageGetCertificateData = (void *) GetProcAddress(hImageHlp, "ImageGetCertificateData");
pImageGetCertificateHeader = (void *) GetProcAddress(hImageHlp, "ImageGetCertificateHeader");
pImageRemoveCertificate = (void *) GetProcAddress(hImageHlp, "ImageRemoveCertificate");
pCheckSumMappedFile = (void *) GetProcAddress(hImageHlp, "CheckSumMappedFile");
hPsapi = LoadLibraryA("psapi.dll");
if (hPsapi)
pGetModuleInformation = (void *) GetProcAddress(hPsapi, "GetModuleInformation");
hNtdll = LoadLibraryA("ntdll.dll");
if (hNtdll)
pRtlImageNtHeader = (void *) GetProcAddress(hNtdll, "RtlImageNtHeader");
first = test_add_certificate(test_cert_data, sizeof(test_cert_data));
test_get_certificate(test_cert_data, first);
......@@ -299,6 +457,10 @@ START_TEST(integrity)
file_size = get_file_size();
ok(file_size == file_size_orig, "File size different after add and remove (old: %d; new: %d)\n", file_size_orig, file_size);
test_pe_checksum();
if (hPsapi) FreeLibrary(hPsapi);
if (hNtdll) FreeLibrary(hNtdll);
FreeLibrary(hImageHlp);
DeleteFileA(test_dll_path);
}
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