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kernel32/tests: Add more tests for file sharing with mappings, including SEC_IMAGE mappings.

This commit is contained in:
Alexandre Julliard 2009-11-20 13:42:12 +01:00
parent a764fe8921
commit 647491418b
1 changed files with 102 additions and 7 deletions
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109
dlls/kernel32/tests/file.c
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@ -1616,6 +1616,71 @@ static void test_LockFile(void)
DeleteFileA( filename );
}
static BOOL create_fake_dll( LPCSTR filename )
{
IMAGE_DOS_HEADER *dos;
IMAGE_NT_HEADERS *nt;
IMAGE_SECTION_HEADER *sec;
BYTE *buffer;
DWORD lfanew = sizeof(*dos);
DWORD size = lfanew + sizeof(*nt) + sizeof(*sec);
DWORD written;
BOOL ret;
HANDLE file = CreateFileA( filename, GENERIC_READ|GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, 0 );
if (file == INVALID_HANDLE_VALUE) return FALSE;
buffer = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, size );
dos = (IMAGE_DOS_HEADER *)buffer;
dos->e_magic = IMAGE_DOS_SIGNATURE;
dos->e_cblp = sizeof(*dos);
dos->e_cp = 1;
dos->e_cparhdr = lfanew / 16;
dos->e_minalloc = 0;
dos->e_maxalloc = 0xffff;
dos->e_ss = 0x0000;
dos->e_sp = 0x00b8;
dos->e_lfarlc = lfanew;
dos->e_lfanew = lfanew;
nt = (IMAGE_NT_HEADERS *)(buffer + lfanew);
nt->Signature = IMAGE_NT_SIGNATURE;
nt->FileHeader.Machine = IMAGE_FILE_MACHINE_I386;
nt->FileHeader.NumberOfSections = 1;
nt->FileHeader.SizeOfOptionalHeader = IMAGE_SIZEOF_NT_OPTIONAL_HEADER;
nt->FileHeader.Characteristics = IMAGE_FILE_DLL | IMAGE_FILE_EXECUTABLE_IMAGE;
nt->OptionalHeader.Magic = IMAGE_NT_OPTIONAL_HDR_MAGIC;
nt->OptionalHeader.MajorLinkerVersion = 1;
nt->OptionalHeader.MinorLinkerVersion = 0;
nt->OptionalHeader.ImageBase = 0x10000000;
nt->OptionalHeader.SectionAlignment = 0x1000;
nt->OptionalHeader.FileAlignment = 0x1000;
nt->OptionalHeader.MajorOperatingSystemVersion = 1;
nt->OptionalHeader.MinorOperatingSystemVersion = 0;
nt->OptionalHeader.MajorImageVersion = 1;
nt->OptionalHeader.MinorImageVersion = 0;
nt->OptionalHeader.MajorSubsystemVersion = 4;
nt->OptionalHeader.MinorSubsystemVersion = 0;
nt->OptionalHeader.SizeOfImage = 0x2000;
nt->OptionalHeader.SizeOfHeaders = size;
nt->OptionalHeader.Subsystem = IMAGE_SUBSYSTEM_WINDOWS_GUI;
nt->OptionalHeader.NumberOfRvaAndSizes = IMAGE_NUMBEROF_DIRECTORY_ENTRIES;
sec = (IMAGE_SECTION_HEADER *)(nt + 1);
memcpy( sec->Name, ".rodata", sizeof(".rodata") );
sec->Misc.VirtualSize = 0x1000;
sec->VirtualAddress = 0x1000;
sec->SizeOfRawData = 0;
sec->PointerToRawData = 0;
sec->Characteristics = IMAGE_SCN_MEM_READ | IMAGE_SCN_MEM_WRITE;
ret = WriteFile( file, buffer, size, &written, NULL ) && written == size;
HeapFree( GetProcessHeap(), 0, buffer );
CloseHandle( file );
return ret;
}
static int is_sharing_compatible( DWORD access1, DWORD sharing1, DWORD access2, DWORD sharing2, BOOL is_win9x )
{
if (!is_win9x)
@ -1645,6 +1710,7 @@ static int is_sharing_map_compatible( DWORD map_access, DWORD access2, DWORD sha
{
if ((map_access == PAGE_READWRITE || map_access == PAGE_EXECUTE_READWRITE) &&
!(sharing2 & FILE_SHARE_WRITE)) return 0;
if ((map_access & SEC_IMAGE) && (access2 & GENERIC_WRITE)) return 0;
return 1;
}
@ -1659,24 +1725,19 @@ static void test_file_sharing(void)
FILE_SHARE_DELETE, FILE_SHARE_READ|FILE_SHARE_DELETE,
FILE_SHARE_WRITE|FILE_SHARE_DELETE, FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE };
static const DWORD mapping_modes[] =
{ PAGE_READONLY, PAGE_WRITECOPY, PAGE_READWRITE };
static const char dummy[] = "dummy";
{ PAGE_READONLY, PAGE_WRITECOPY, PAGE_READWRITE, SEC_IMAGE | PAGE_WRITECOPY };
int a1, s1, a2, s2;
int ret;
HANDLE h, h2;
BOOL is_win9x = FALSE;
DWORD written;
/* make sure the file exists */
h = CreateFileA( filename, GENERIC_READ|GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, 0 );
if (h == INVALID_HANDLE_VALUE)
if (!create_fake_dll( filename ))
{
ok(0, "couldn't create file \"%s\" (err=%d)\n", filename, GetLastError());
return;
}
is_win9x = GetFileAttributesW(filenameW) == INVALID_FILE_ATTRIBUTES;
WriteFile( h, dummy, strlen(dummy), &written, NULL );
CloseHandle( h );
for (a1 = 0; a1 < sizeof(access_modes)/sizeof(access_modes[0]); a1++)
{
@ -1737,6 +1798,7 @@ static void test_file_sharing(void)
{
HANDLE m;
create_fake_dll( filename );
SetLastError(0xdeadbeef);
h = CreateFileA( filename, GENERIC_READ|GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0 );
if (h == INVALID_HANDLE_VALUE)
@ -1784,6 +1846,39 @@ static void test_file_sharing(void)
}
}
}
/* try CREATE_ALWAYS over an existing mapping */
SetLastError(0xdeadbeef);
h2 = CreateFileA( filename, GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, CREATE_ALWAYS, 0, 0 );
ret = GetLastError();
ok( h2 == INVALID_HANDLE_VALUE, "create succeeded for map %x\n", mapping_modes[a1] );
if ((mapping_modes[a1] & SEC_IMAGE) || is_win9x)
ok( ret == ERROR_SHARING_VIOLATION, "wrong error code %d for %x\n", ret, mapping_modes[a1] );
else todo_wine
ok( ret == ERROR_USER_MAPPED_FILE, "wrong error code %d for %x\n", ret, mapping_modes[a1] );
/* try DELETE_ON_CLOSE over an existing mapping */
SetLastError(0xdeadbeef);
h2 = CreateFileA( filename, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, OPEN_EXISTING, FILE_FLAG_DELETE_ON_CLOSE, 0 );
ret = GetLastError();
if (is_win9x)
{
ok( h2 == INVALID_HANDLE_VALUE, "create succeeded for map %x\n", mapping_modes[a1] );
ok( ret == ERROR_SHARING_VIOLATION, "wrong error code %d for %x\n", ret, mapping_modes[a1] );
}
else if (mapping_modes[a1] & SEC_IMAGE)
{
ok( h2 == INVALID_HANDLE_VALUE, "create succeeded for map %x\n", mapping_modes[a1] );
todo_wine ok( ret == ERROR_ACCESS_DENIED, "wrong error code %d for %x\n", ret, mapping_modes[a1] );
}
else todo_wine
{
ok( h2 != INVALID_HANDLE_VALUE, "open failed for map %x err %u\n", mapping_modes[a1], ret );
}
if (h2 != INVALID_HANDLE_VALUE) CloseHandle( h2 );
CloseHandle( m );
}