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kernel32: Check for invalid flags in codepage conversion functions. 

Signed-off-by: Alex Henrie <alexhenrie24@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alex Henrie 2017-03-27 21:59:05 -06:00 committed by Alexandre Julliard
parent be6008d2eb
commit 0b95ebd283
2 changed files with 62 additions and 0 deletions
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23
dlls/kernel32/locale.c
View File

@ -54,6 +54,9 @@ WINE_DEFAULT_DEBUG_CHANNEL(nls);
#define LOCALE_LOCALEINFOFLAGSMASK (LOCALE_NOUSEROVERRIDE|LOCALE_USE_CP_ACP|\
LOCALE_RETURN_NUMBER|LOCALE_RETURN_GENITIVE_NAMES)
#define MB_FLAGSMASK (MB_PRECOMPOSED|MB_COMPOSITE|MB_USEGLYPHCHARS|MB_ERR_INVALID_CHARS)
#define WC_FLAGSMASK (WC_DISCARDNS|WC_SEPCHARS|WC_DEFAULTCHAR|WC_ERR_INVALID_CHARS|\
WC_COMPOSITECHECK|WC_NO_BEST_FIT_CHARS)
/* current code pages */
static const union cptable *ansi_cptable;
@ -2422,6 +2425,11 @@ INT WINAPI MultiByteToWideChar( UINT page, DWORD flags, LPCSTR src, INT srclen,
#endif
/* fall through */
case CP_UTF8:
if (flags & ~MB_FLAGSMASK)
{
SetLastError( ERROR_INVALID_FLAGS );
return 0;
}
ret = wine_utf8_mbstowcs( flags, src, srclen, dst, dstlen );
break;
default:
@ -2430,6 +2438,11 @@ INT WINAPI MultiByteToWideChar( UINT page, DWORD flags, LPCSTR src, INT srclen,
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
if (flags & ~MB_FLAGSMASK)
{
SetLastError( ERROR_INVALID_FLAGS );
return 0;
}
ret = wine_cp_mbstowcs( table, flags, src, srclen, dst, dstlen );
break;
}
@ -2653,6 +2666,11 @@ INT WINAPI WideCharToMultiByte( UINT page, DWORD flags, LPCWSTR src, INT srclen,
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
if (flags & ~WC_FLAGSMASK)
{
SetLastError( ERROR_INVALID_FLAGS );
return 0;
}
ret = wine_utf8_wcstombs( flags, src, srclen, dst, dstlen );
break;
default:
@ -2661,6 +2679,11 @@ INT WINAPI WideCharToMultiByte( UINT page, DWORD flags, LPCWSTR src, INT srclen,
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
if (flags & ~WC_FLAGSMASK)
{
SetLastError( ERROR_INVALID_FLAGS );
return 0;
}
ret = wine_cp_wcstombs( table, flags, src, srclen, dst, dstlen,
defchar, used ? &used_tmp : NULL );
if (used) *used = used_tmp;

39
dlls/kernel32/tests/codepage.c
View File

@ -209,6 +209,40 @@ static void test_other_invalid_parameters(void)
BOOL used;
INT len;
/* Unrecognized flag => ERROR_INVALID_FLAGS */
SetLastError(0xdeadbeef);
len = WideCharToMultiByte(CP_ACP, 0x100, w_string, -1, c_string, c_string_len, NULL, NULL);
ok(len == 0 && GetLastError() == ERROR_INVALID_FLAGS, "len=%d error=%x\n", len, GetLastError());
SetLastError(0xdeadbeef);
len = WideCharToMultiByte(CP_ACP, 0x800, w_string, -1, c_string, c_string_len, NULL, NULL);
ok(len == 0 && GetLastError() == ERROR_INVALID_FLAGS, "len=%d error=%x\n", len, GetLastError());
SetLastError(0xdeadbeef);
len = MultiByteToWideChar(CP_ACP, 0x10, c_string, -1, w_string, w_string_len);
ok(len == 0 && GetLastError() == ERROR_INVALID_FLAGS, "len=%d error=%x\n", len, GetLastError());
/* Unrecognized flag and invalid codepage => ERROR_INVALID_PARAMETER */
SetLastError(0xdeadbeef);
len = WideCharToMultiByte(0xdeadbeef, 0x100, w_string, w_string_len, c_string, c_string_len, NULL, NULL);
ok(len == 0 && GetLastError() == ERROR_INVALID_PARAMETER, "len=%d error=%x\n", len, GetLastError());
SetLastError(0xdeadbeef);
len = MultiByteToWideChar(0xdeadbeef, 0x10, c_string, c_string_len, w_string, w_string_len);
ok(len == 0 && GetLastError() == ERROR_INVALID_PARAMETER, "len=%d error=%x\n", len, GetLastError());
/* Unrecognized flag and src is NULL => ERROR_INVALID_PARAMETER */
SetLastError(0xdeadbeef);
len = WideCharToMultiByte(CP_ACP, 0x100, NULL, -1, c_string, c_string_len, NULL, NULL);
ok(len == 0 && GetLastError() == ERROR_INVALID_PARAMETER, "len=%d error=%x\n", len, GetLastError());
SetLastError(0xdeadbeef);
len = MultiByteToWideChar(CP_ACP, 0x10, NULL, -1, w_string, w_string_len);
ok(len == 0 && GetLastError() == ERROR_INVALID_PARAMETER, "len=%d error=%x\n", len, GetLastError());
/* srclen=0 => ERROR_INVALID_PARAMETER */
SetLastError(0xdeadbeef);
len = WideCharToMultiByte(CP_ACP, 0, w_string, 0, c_string, c_string_len, NULL, NULL);
@ -266,6 +300,11 @@ static void test_other_invalid_parameters(void)
SetLastError(0xdeadbeef);
len = WideCharToMultiByte(CP_UTF7, 1, w_string, w_string_len, c_string, c_string_len, NULL, &used);
ok(len == 0 && GetLastError() == ERROR_INVALID_PARAMETER, "len=%d error=%x\n", len, GetLastError());
/* CP_UTF8, unrecognized flag and used not NULL => ERROR_INVALID_PARAMETER */
SetLastError(0xdeadbeef);
len = WideCharToMultiByte(CP_UTF8, 0x100, w_string, w_string_len, c_string, c_string_len, NULL, &used);
ok(len == 0 && GetLastError() == ERROR_INVALID_PARAMETER, "len=%d error=%x\n", len, GetLastError());
}
static void test_overlapped_buffers(void)