imagehlp: Add tests for ImageGetDigestStream.

dlls/imagehlp/tests/Makefile.in

@@ -5,6 +5,7 @@ VPATH     = @srcdir@
 TESTDLL   = imagehlp.dll
 
 C_SRCS = \
+	image.c \
 	integrity.c
 
 @MAKE_TEST_RULES@

dlls/imagehlp/tests/image.c

+/*
+ * 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;
+};
+
+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;
+
+    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 };
+
+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 };
+
+/* 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);
+    todo_wine
+    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);
+    todo_wine
+    ok(!ret && GetLastError() == ERROR_INVALID_PARAMETER,
+     "expected ERROR_INVALID_PARAMETER, got %d\n", GetLastError());
+    SetLastError(0xdeadbeef);
+    ret = pImageGetDigestStream(NULL, 0, accumulating_stream_output, &accum);
+    todo_wine
+    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);
+    todo_wine
+    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);
+    todo_wine
+    ok(ret, "ImageGetDigestStream failed: %d\n", GetLastError());
+    todo_wine
+    check_updates("flags = 0", &a1, &accum);
+    free_updates(&accum);
+    ret = pImageGetDigestStream(file, CERT_PE_IMAGE_DIGEST_ALL_IMPORT_INFO,
+     accumulating_stream_output, &accum);
+    todo_wine
+    ok(ret, "ImageGetDigestStream failed: %d\n", GetLastError());
+    todo_wine
+    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);
+}