imagehlp: Add tests for ImageGetDigestStream.
Based on a patch by Juan Lang.
This commit is contained in:
Andrey Turkin
Alexandre Julliard
parent
6d8d3d74fa
commit
682f6adcbf
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@ -5,6 +5,7 @@ VPATH = @srcdir@
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TESTDLL = imagehlp.dll
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C_SRCS = \
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image.c \
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integrity.c
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@MAKE_TEST_RULES@
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@ -0,0 +1,356 @@
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/*
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* Copyright 2008 Juan Lang
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* Copyright 2010 Andrey Turkin
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdio.h>
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#include <stdarg.h>
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#define NONAMELESSUNION
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#include <windef.h>
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#include <winbase.h>
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#include <winver.h>
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#include <winnt.h>
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#include <imagehlp.h>
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#include "wine/test.h"
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static HMODULE hImageHlp;
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static BOOL (WINAPI *pImageGetDigestStream)(HANDLE, DWORD, DIGEST_FUNCTION, DIGEST_HANDLE);
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/* minimal PE file image */
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#define VA_START 0x400000
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#define FILE_PE_START 0x50
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#define NUM_SECTIONS 3
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#define FILE_TEXT 0x200
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#define RVA_TEXT 0x1000
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#define RVA_BSS 0x2000
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#define FILE_IDATA 0x400
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#define RVA_IDATA 0x3000
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#define FILE_TOTAL 0x600
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#define RVA_TOTAL 0x4000
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#include <pshpack1.h>
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struct Imports {
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IMAGE_IMPORT_DESCRIPTOR descriptors[2];
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IMAGE_THUNK_DATA32 original_thunks[2];
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IMAGE_THUNK_DATA32 thunks[2];
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struct __IMPORT_BY_NAME {
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WORD hint;
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char funcname[0x20];
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} ibn;
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char dllname[0x10];
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};
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#define EXIT_PROCESS (VA_START+RVA_IDATA+FIELD_OFFSET(struct Imports, thunks[0]))
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static struct _PeImage {
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IMAGE_DOS_HEADER dos_header;
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char __alignment1[FILE_PE_START - sizeof(IMAGE_DOS_HEADER)];
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IMAGE_NT_HEADERS32 nt_headers;
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IMAGE_SECTION_HEADER sections[NUM_SECTIONS];
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char __alignment2[FILE_TEXT - FILE_PE_START - sizeof(IMAGE_NT_HEADERS32) -
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NUM_SECTIONS * sizeof(IMAGE_SECTION_HEADER)];
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unsigned char text_section[FILE_IDATA-FILE_TEXT];
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struct Imports idata_section;
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char __alignment3[FILE_TOTAL-FILE_IDATA-sizeof(struct Imports)];
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} bin = {
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/* dos header */
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{IMAGE_DOS_SIGNATURE, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, {}, 0, 0, {}, FILE_PE_START},
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/* alignment before PE header */
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{},
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/* nt headers */
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{IMAGE_NT_SIGNATURE,
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/* basic headers - 3 sections, no symbols, EXE file */
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{IMAGE_FILE_MACHINE_I386, NUM_SECTIONS, 0, 0, 0, sizeof(IMAGE_OPTIONAL_HEADER32),
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IMAGE_FILE_32BIT_MACHINE | IMAGE_FILE_EXECUTABLE_IMAGE},
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/* optional header */
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{IMAGE_NT_OPTIONAL_HDR32_MAGIC, 4, 0, FILE_IDATA-FILE_TEXT,
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FILE_TOTAL-FILE_IDATA + FILE_IDATA-FILE_TEXT, 0x400,
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RVA_TEXT, RVA_TEXT, RVA_BSS, VA_START, 0x1000, 0x200, 4, 0, 1, 0, 4, 0, 0,
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RVA_TOTAL, FILE_TEXT, 0, IMAGE_SUBSYSTEM_WINDOWS_GUI, 0,
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0x200000, 0x1000, 0x100000, 0x1000, 0, 0x10,
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{{0, 0},
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{RVA_IDATA, sizeof(struct Imports)}
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}
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}
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},
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/* sections */
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{
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{".text", {0x100}, RVA_TEXT, FILE_IDATA-FILE_TEXT, FILE_TEXT,
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0, 0, 0, 0, IMAGE_SCN_CNT_CODE | IMAGE_SCN_MEM_EXECUTE | IMAGE_SCN_MEM_READ},
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{".bss", {0x400}, RVA_BSS, 0, 0, 0, 0, 0, 0,
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IMAGE_SCN_CNT_UNINITIALIZED_DATA | IMAGE_SCN_MEM_READ | IMAGE_SCN_MEM_WRITE},
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{".idata", {sizeof(struct Imports)}, RVA_IDATA, FILE_TOTAL-FILE_IDATA, FILE_IDATA, 0,
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0, 0, 0, IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_READ | IMAGE_SCN_MEM_WRITE}
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},
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/* alignment before first section */
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{},
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/* .text section */
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{
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0x31, 0xC0, /* xor eax, eax */
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0xFF, 0x25, EXIT_PROCESS&0xFF, (EXIT_PROCESS>>8)&0xFF, (EXIT_PROCESS>>16)&0xFF,
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(EXIT_PROCESS>>24)&0xFF, /* jmp ExitProcess */
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0
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},
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/* .idata section */
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{
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{
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{{RVA_IDATA + FIELD_OFFSET(struct Imports, original_thunks)}, 0, 0,
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RVA_IDATA + FIELD_OFFSET(struct Imports, dllname),
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RVA_IDATA + FIELD_OFFSET(struct Imports, thunks)
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},
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{{0}, 0, 0, 0, 0}
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},
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{{{RVA_IDATA+FIELD_OFFSET(struct Imports, ibn)}}, {{0}}},
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{{{RVA_IDATA+FIELD_OFFSET(struct Imports, ibn)}}, {{0}}},
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{0,"ExitProcess"},
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"KERNEL32.DLL"
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},
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/* final alignment */
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{}
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};
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#include <poppack.h>
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struct blob
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{
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DWORD cb;
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BYTE *pb;
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};
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struct expected_blob
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{
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DWORD cb;
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const void *pb;
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};
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struct update_accum
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{
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DWORD cUpdates;
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struct blob *updates;
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};
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struct expected_update_accum
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{
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DWORD cUpdates;
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const struct expected_blob *updates;
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};
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static BOOL WINAPI accumulating_stream_output(DIGEST_HANDLE handle, BYTE *pb,
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DWORD cb)
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{
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struct update_accum *accum = (struct update_accum *)handle;
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BOOL ret = FALSE;
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if (accum->cUpdates)
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accum->updates = HeapReAlloc(GetProcessHeap(), 0, accum->updates,
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(accum->cUpdates + 1) * sizeof(struct blob));
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else
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accum->updates = HeapAlloc(GetProcessHeap(), 0, sizeof(struct blob));
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if (accum->updates)
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{
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struct blob *blob = &accum->updates[accum->cUpdates];
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blob->pb = HeapAlloc(GetProcessHeap(), 0, cb);
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if (blob->pb)
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{
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memcpy(blob->pb, pb, cb);
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blob->cb = cb;
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ret = TRUE;
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}
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accum->cUpdates++;
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}
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return ret;
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}
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static void check_updates(LPCSTR header, const struct expected_update_accum *expected,
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const struct update_accum *got)
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{
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DWORD i;
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ok(expected->cUpdates == got->cUpdates, "%s: expected %d updates, got %d\n",
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header, expected->cUpdates, got->cUpdates);
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for (i = 0; i < min(expected->cUpdates, got->cUpdates); i++)
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{
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ok(expected->updates[i].cb == got->updates[i].cb, "%s, update %d: expected %d bytes, got %d\n",
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header, i, expected->updates[i].cb, got->updates[i].cb);
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if (expected->updates[i].cb && expected->updates[i].cb == got->updates[i].cb)
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ok(!memcmp(expected->updates[i].pb, got->updates[i].pb, got->updates[i].cb),
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"%s, update %d: unexpected value\n", header, i);
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}
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}
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/* Frees the updates stored in accum */
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static void free_updates(struct update_accum *accum)
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{
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DWORD i;
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for (i = 0; i < accum->cUpdates; i++)
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HeapFree(GetProcessHeap(), 0, accum->updates[i].pb);
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HeapFree(GetProcessHeap(), 0, accum->updates);
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accum->updates = NULL;
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accum->cUpdates = 0;
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}
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static const struct expected_blob b1[] = {
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{FILE_PE_START, &bin},
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/* with zeroed Checksum/SizeOfInitializedData/SizeOfImage fields */
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{sizeof(bin.nt_headers), &bin.nt_headers},
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{sizeof(bin.sections), &bin.sections},
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{FILE_IDATA-FILE_TEXT, &bin.text_section},
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{sizeof(bin.idata_section.descriptors[0].u.OriginalFirstThunk),
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&bin.idata_section.descriptors[0].u.OriginalFirstThunk},
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{FIELD_OFFSET(struct Imports, thunks)-FIELD_OFFSET(struct Imports, descriptors[0].Name),
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&bin.idata_section.descriptors[0].Name},
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{FILE_TOTAL-FILE_IDATA-FIELD_OFFSET(struct Imports, ibn),
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&bin.idata_section.ibn}
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};
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static const struct expected_update_accum a1 = { sizeof(b1) / sizeof(b1[0]), b1 };
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static const struct expected_blob b2[] = {
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{FILE_PE_START, &bin},
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/* with zeroed Checksum/SizeOfInitializedData/SizeOfImage fields */
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{sizeof(bin.nt_headers), &bin.nt_headers},
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{sizeof(bin.sections), &bin.sections},
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{FILE_IDATA-FILE_TEXT, &bin.text_section},
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{FILE_TOTAL-FILE_IDATA, &bin.idata_section}
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};
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static const struct expected_update_accum a2 = { sizeof(b2) / sizeof(b2[0]), b2 };
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/* Creates a test file and returns a handle to it. The file's path is returned
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* in temp_file, which must be at least MAX_PATH characters in length.
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*/
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static HANDLE create_temp_file(char *temp_file)
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{
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HANDLE file = INVALID_HANDLE_VALUE;
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char temp_path[MAX_PATH];
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if (GetTempPathA(sizeof(temp_path), temp_path))
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{
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if (GetTempFileNameA(temp_path, "img", 0, temp_file))
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file = CreateFileA(temp_file, GENERIC_READ | GENERIC_WRITE, 0, NULL,
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CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
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}
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return file;
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}
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static void update_checksum(void)
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{
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WORD const * ptr;
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DWORD size;
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DWORD sum = 0;
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bin.nt_headers.OptionalHeader.CheckSum = 0;
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for(ptr = (WORD const *)&bin, size = (sizeof(bin)+1)/sizeof(WORD); size > 0; ptr++, size--)
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{
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sum += *ptr;
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if (HIWORD(sum) != 0)
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{
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sum = LOWORD(sum) + HIWORD(sum);
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}
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}
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sum = (WORD)(LOWORD(sum) + HIWORD(sum));
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sum += sizeof(bin);
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bin.nt_headers.OptionalHeader.CheckSum = sum;
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}
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static void test_get_digest_stream(void)
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{
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BOOL ret;
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HANDLE file;
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char temp_file[MAX_PATH];
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DWORD count;
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struct update_accum accum = { 0, NULL };
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SetLastError(0xdeadbeef);
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ret = pImageGetDigestStream(NULL, 0, NULL, NULL);
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todo_wine
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ok(!ret && GetLastError() == ERROR_INVALID_PARAMETER,
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"expected ERROR_INVALID_PARAMETER, got %d\n", GetLastError());
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file = create_temp_file(temp_file);
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if (file == INVALID_HANDLE_VALUE)
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{
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skip("couldn't create temp file\n");
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return;
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}
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SetLastError(0xdeadbeef);
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ret = pImageGetDigestStream(file, 0, NULL, NULL);
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todo_wine
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ok(!ret && GetLastError() == ERROR_INVALID_PARAMETER,
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"expected ERROR_INVALID_PARAMETER, got %d\n", GetLastError());
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SetLastError(0xdeadbeef);
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ret = pImageGetDigestStream(NULL, 0, accumulating_stream_output, &accum);
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todo_wine
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ok(!ret && GetLastError() == ERROR_INVALID_PARAMETER,
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"expected ERROR_INVALID_PARAMETER, got %d\n", GetLastError());
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/* Even with "valid" parameters, it fails with an empty file */
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SetLastError(0xdeadbeef);
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ret = pImageGetDigestStream(file, 0, accumulating_stream_output, &accum);
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todo_wine
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ok(!ret && GetLastError() == ERROR_INVALID_PARAMETER,
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"expected ERROR_INVALID_PARAMETER, got %d\n", GetLastError());
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/* Finally, with a valid executable in the file, it succeeds. Note that
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* the file pointer need not be positioned at the beginning.
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*/
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update_checksum();
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WriteFile(file, &bin, sizeof(bin), &count, NULL);
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FlushFileBuffers(file);
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/* zero out some fields ImageGetDigestStream would zero out */
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bin.nt_headers.OptionalHeader.CheckSum = 0;
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bin.nt_headers.OptionalHeader.SizeOfInitializedData = 0;
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bin.nt_headers.OptionalHeader.SizeOfImage = 0;
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ret = pImageGetDigestStream(file, 0, accumulating_stream_output, &accum);
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todo_wine
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ok(ret, "ImageGetDigestStream failed: %d\n", GetLastError());
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todo_wine
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check_updates("flags = 0", &a1, &accum);
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free_updates(&accum);
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ret = pImageGetDigestStream(file, CERT_PE_IMAGE_DIGEST_ALL_IMPORT_INFO,
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accumulating_stream_output, &accum);
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todo_wine
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ok(ret, "ImageGetDigestStream failed: %d\n", GetLastError());
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todo_wine
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check_updates("flags = CERT_PE_IMAGE_DIGEST_ALL_IMPORT_INFO", &a2, &accum);
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free_updates(&accum);
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CloseHandle(file);
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DeleteFileA(temp_file);
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}
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START_TEST(image)
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{
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hImageHlp = LoadLibraryA("imagehlp.dll");
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if (!hImageHlp)
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{
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win_skip("ImageHlp unavailable\n");
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return;
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}
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pImageGetDigestStream = (void *) GetProcAddress(hImageHlp, "ImageGetDigestStream");
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if (!pImageGetDigestStream)
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{
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win_skip("ImageGetDigestStream function is not available\n");
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} else
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{
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test_get_digest_stream();
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}
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FreeLibrary(hImageHlp);
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}
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