Sweden-Number/dlls/imagehlp/tests/image.c

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/*
* Copyright 2008 Juan Lang
* Copyright 2010 Andrey Turkin
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdio.h>
#include <stdarg.h>
#define NONAMELESSUNION
#include <windef.h>
#include <winbase.h>
#include <winver.h>
#include <winnt.h>
#include <imagehlp.h>
#include "wine/test.h"
static HMODULE hImageHlp;
static BOOL (WINAPI *pImageGetDigestStream)(HANDLE, DWORD, DIGEST_FUNCTION, DIGEST_HANDLE);
/* minimal PE file image */
#define VA_START 0x400000
#define FILE_PE_START 0x50
#define NUM_SECTIONS 3
#define FILE_TEXT 0x200
#define RVA_TEXT 0x1000
#define RVA_BSS 0x2000
#define FILE_IDATA 0x400
#define RVA_IDATA 0x3000
#define FILE_TOTAL 0x600
#define RVA_TOTAL 0x4000
#include <pshpack1.h>
struct Imports {
IMAGE_IMPORT_DESCRIPTOR descriptors[2];
IMAGE_THUNK_DATA32 original_thunks[2];
IMAGE_THUNK_DATA32 thunks[2];
struct __IMPORT_BY_NAME {
WORD hint;
char funcname[0x20];
} ibn;
char dllname[0x10];
};
#define EXIT_PROCESS (VA_START+RVA_IDATA+FIELD_OFFSET(struct Imports, thunks[0]))
static struct _PeImage {
IMAGE_DOS_HEADER dos_header;
char __alignment1[FILE_PE_START - sizeof(IMAGE_DOS_HEADER)];
IMAGE_NT_HEADERS32 nt_headers;
IMAGE_SECTION_HEADER sections[NUM_SECTIONS];
char __alignment2[FILE_TEXT - FILE_PE_START - sizeof(IMAGE_NT_HEADERS32) -
NUM_SECTIONS * sizeof(IMAGE_SECTION_HEADER)];
unsigned char text_section[FILE_IDATA-FILE_TEXT];
struct Imports idata_section;
char __alignment3[FILE_TOTAL-FILE_IDATA-sizeof(struct Imports)];
} bin = {
/* dos header */
{IMAGE_DOS_SIGNATURE, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, {}, 0, 0, {}, FILE_PE_START},
/* alignment before PE header */
{},
/* nt headers */
{IMAGE_NT_SIGNATURE,
/* basic headers - 3 sections, no symbols, EXE file */
{IMAGE_FILE_MACHINE_I386, NUM_SECTIONS, 0, 0, 0, sizeof(IMAGE_OPTIONAL_HEADER32),
IMAGE_FILE_32BIT_MACHINE | IMAGE_FILE_EXECUTABLE_IMAGE},
/* optional header */
{IMAGE_NT_OPTIONAL_HDR32_MAGIC, 4, 0, FILE_IDATA-FILE_TEXT,
FILE_TOTAL-FILE_IDATA + FILE_IDATA-FILE_TEXT, 0x400,
RVA_TEXT, RVA_TEXT, RVA_BSS, VA_START, 0x1000, 0x200, 4, 0, 1, 0, 4, 0, 0,
RVA_TOTAL, FILE_TEXT, 0, IMAGE_SUBSYSTEM_WINDOWS_GUI, 0,
0x200000, 0x1000, 0x100000, 0x1000, 0, 0x10,
{{0, 0},
{RVA_IDATA, sizeof(struct Imports)}
}
}
},
/* sections */
{
{".text", {0x100}, RVA_TEXT, FILE_IDATA-FILE_TEXT, FILE_TEXT,
0, 0, 0, 0, IMAGE_SCN_CNT_CODE | IMAGE_SCN_MEM_EXECUTE | IMAGE_SCN_MEM_READ},
{".bss", {0x400}, RVA_BSS, 0, 0, 0, 0, 0, 0,
IMAGE_SCN_CNT_UNINITIALIZED_DATA | IMAGE_SCN_MEM_READ | IMAGE_SCN_MEM_WRITE},
{".idata", {sizeof(struct Imports)}, RVA_IDATA, FILE_TOTAL-FILE_IDATA, FILE_IDATA, 0,
0, 0, 0, IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_READ | IMAGE_SCN_MEM_WRITE}
},
/* alignment before first section */
{},
/* .text section */
{
0x31, 0xC0, /* xor eax, eax */
0xFF, 0x25, EXIT_PROCESS&0xFF, (EXIT_PROCESS>>8)&0xFF, (EXIT_PROCESS>>16)&0xFF,
(EXIT_PROCESS>>24)&0xFF, /* jmp ExitProcess */
0
},
/* .idata section */
{
{
{{RVA_IDATA + FIELD_OFFSET(struct Imports, original_thunks)}, 0, 0,
RVA_IDATA + FIELD_OFFSET(struct Imports, dllname),
RVA_IDATA + FIELD_OFFSET(struct Imports, thunks)
},
{{0}, 0, 0, 0, 0}
},
{{{RVA_IDATA+FIELD_OFFSET(struct Imports, ibn)}}, {{0}}},
{{{RVA_IDATA+FIELD_OFFSET(struct Imports, ibn)}}, {{0}}},
{0,"ExitProcess"},
"KERNEL32.DLL"
},
/* final alignment */
{}
};
#include <poppack.h>
struct blob
{
DWORD cb;
BYTE *pb;
};
struct expected_blob
{
DWORD cb;
const void *pb;
};
struct update_accum
{
DWORD cUpdates;
struct blob *updates;
};
struct expected_update_accum
{
DWORD cUpdates;
const struct expected_blob *updates;
BOOL todo;
};
static BOOL WINAPI accumulating_stream_output(DIGEST_HANDLE handle, BYTE *pb,
DWORD cb)
{
struct update_accum *accum = (struct update_accum *)handle;
BOOL ret = FALSE;
if (accum->cUpdates)
accum->updates = HeapReAlloc(GetProcessHeap(), 0, accum->updates,
(accum->cUpdates + 1) * sizeof(struct blob));
else
accum->updates = HeapAlloc(GetProcessHeap(), 0, sizeof(struct blob));
if (accum->updates)
{
struct blob *blob = &accum->updates[accum->cUpdates];
blob->pb = HeapAlloc(GetProcessHeap(), 0, cb);
if (blob->pb)
{
memcpy(blob->pb, pb, cb);
blob->cb = cb;
ret = TRUE;
}
accum->cUpdates++;
}
return ret;
}
static void check_updates(LPCSTR header, const struct expected_update_accum *expected,
const struct update_accum *got)
{
DWORD i;
if (expected->todo)
todo_wine ok(expected->cUpdates == got->cUpdates, "%s: expected %d updates, got %d\n",
header, expected->cUpdates, got->cUpdates);
else
ok(expected->cUpdates == got->cUpdates, "%s: expected %d updates, got %d\n",
header, expected->cUpdates, got->cUpdates);
for (i = 0; i < min(expected->cUpdates, got->cUpdates); i++)
{
ok(expected->updates[i].cb == got->updates[i].cb, "%s, update %d: expected %d bytes, got %d\n",
header, i, expected->updates[i].cb, got->updates[i].cb);
if (expected->updates[i].cb && expected->updates[i].cb == got->updates[i].cb)
ok(!memcmp(expected->updates[i].pb, got->updates[i].pb, got->updates[i].cb),
"%s, update %d: unexpected value\n", header, i);
}
}
/* Frees the updates stored in accum */
static void free_updates(struct update_accum *accum)
{
DWORD i;
for (i = 0; i < accum->cUpdates; i++)
HeapFree(GetProcessHeap(), 0, accum->updates[i].pb);
HeapFree(GetProcessHeap(), 0, accum->updates);
accum->updates = NULL;
accum->cUpdates = 0;
}
static const struct expected_blob b1[] = {
{FILE_PE_START, &bin},
/* with zeroed Checksum/SizeOfInitializedData/SizeOfImage fields */
{sizeof(bin.nt_headers), &bin.nt_headers},
{sizeof(bin.sections), &bin.sections},
{FILE_IDATA-FILE_TEXT, &bin.text_section},
{sizeof(bin.idata_section.descriptors[0].u.OriginalFirstThunk),
&bin.idata_section.descriptors[0].u.OriginalFirstThunk},
{FIELD_OFFSET(struct Imports, thunks)-FIELD_OFFSET(struct Imports, descriptors[0].Name),
&bin.idata_section.descriptors[0].Name},
{FILE_TOTAL-FILE_IDATA-FIELD_OFFSET(struct Imports, ibn),
&bin.idata_section.ibn}
};
static const struct expected_update_accum a1 = { sizeof(b1) / sizeof(b1[0]), b1, TRUE };
static const struct expected_blob b2[] = {
{FILE_PE_START, &bin},
/* with zeroed Checksum/SizeOfInitializedData/SizeOfImage fields */
{sizeof(bin.nt_headers), &bin.nt_headers},
{sizeof(bin.sections), &bin.sections},
{FILE_IDATA-FILE_TEXT, &bin.text_section},
{FILE_TOTAL-FILE_IDATA, &bin.idata_section}
};
static const struct expected_update_accum a2 = { sizeof(b2) / sizeof(b2[0]), b2, FALSE };
/* Creates a test file and returns a handle to it. The file's path is returned
* in temp_file, which must be at least MAX_PATH characters in length.
*/
static HANDLE create_temp_file(char *temp_file)
{
HANDLE file = INVALID_HANDLE_VALUE;
char temp_path[MAX_PATH];
if (GetTempPathA(sizeof(temp_path), temp_path))
{
if (GetTempFileNameA(temp_path, "img", 0, temp_file))
file = CreateFileA(temp_file, GENERIC_READ | GENERIC_WRITE, 0, NULL,
CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
}
return file;
}
static void update_checksum(void)
{
WORD const * ptr;
DWORD size;
DWORD sum = 0;
bin.nt_headers.OptionalHeader.CheckSum = 0;
for(ptr = (WORD const *)&bin, size = (sizeof(bin)+1)/sizeof(WORD); size > 0; ptr++, size--)
{
sum += *ptr;
if (HIWORD(sum) != 0)
{
sum = LOWORD(sum) + HIWORD(sum);
}
}
sum = (WORD)(LOWORD(sum) + HIWORD(sum));
sum += sizeof(bin);
bin.nt_headers.OptionalHeader.CheckSum = sum;
}
static void test_get_digest_stream(void)
{
BOOL ret;
HANDLE file;
char temp_file[MAX_PATH];
DWORD count;
struct update_accum accum = { 0, NULL };
SetLastError(0xdeadbeef);
ret = pImageGetDigestStream(NULL, 0, NULL, NULL);
ok(!ret && GetLastError() == ERROR_INVALID_PARAMETER,
"expected ERROR_INVALID_PARAMETER, got %d\n", GetLastError());
file = create_temp_file(temp_file);
if (file == INVALID_HANDLE_VALUE)
{
skip("couldn't create temp file\n");
return;
}
SetLastError(0xdeadbeef);
ret = pImageGetDigestStream(file, 0, NULL, NULL);
ok(!ret && GetLastError() == ERROR_INVALID_PARAMETER,
"expected ERROR_INVALID_PARAMETER, got %d\n", GetLastError());
SetLastError(0xdeadbeef);
ret = pImageGetDigestStream(NULL, 0, accumulating_stream_output, &accum);
ok(!ret && GetLastError() == ERROR_INVALID_PARAMETER,
"expected ERROR_INVALID_PARAMETER, got %d\n", GetLastError());
/* Even with "valid" parameters, it fails with an empty file */
SetLastError(0xdeadbeef);
ret = pImageGetDigestStream(file, 0, accumulating_stream_output, &accum);
ok(!ret && GetLastError() == ERROR_INVALID_PARAMETER,
"expected ERROR_INVALID_PARAMETER, got %d\n", GetLastError());
/* Finally, with a valid executable in the file, it succeeds. Note that
* the file pointer need not be positioned at the beginning.
*/
update_checksum();
WriteFile(file, &bin, sizeof(bin), &count, NULL);
FlushFileBuffers(file);
/* zero out some fields ImageGetDigestStream would zero out */
bin.nt_headers.OptionalHeader.CheckSum = 0;
bin.nt_headers.OptionalHeader.SizeOfInitializedData = 0;
bin.nt_headers.OptionalHeader.SizeOfImage = 0;
ret = pImageGetDigestStream(file, 0, accumulating_stream_output, &accum);
ok(ret, "ImageGetDigestStream failed: %d\n", GetLastError());
check_updates("flags = 0", &a1, &accum);
free_updates(&accum);
ret = pImageGetDigestStream(file, CERT_PE_IMAGE_DIGEST_ALL_IMPORT_INFO,
accumulating_stream_output, &accum);
ok(ret, "ImageGetDigestStream failed: %d\n", GetLastError());
check_updates("flags = CERT_PE_IMAGE_DIGEST_ALL_IMPORT_INFO", &a2, &accum);
free_updates(&accum);
CloseHandle(file);
DeleteFileA(temp_file);
}
START_TEST(image)
{
hImageHlp = LoadLibraryA("imagehlp.dll");
if (!hImageHlp)
{
win_skip("ImageHlp unavailable\n");
return;
}
pImageGetDigestStream = (void *) GetProcAddress(hImageHlp, "ImageGetDigestStream");
if (!pImageGetDigestStream)
{
win_skip("ImageGetDigestStream function is not available\n");
} else
{
test_get_digest_stream();
}
FreeLibrary(hImageHlp);
}