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Added patch to ensure codepage conversion fails when destlen < 0.

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This commit is contained in:
Sebastian Lackner
2015-09-22 15:23:28 +02:00
parent 6efa37655c
commit 4ad4553546
5 changed files with 145 additions and 1 deletions
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124
patches/kernel32-Codepage_Conversion/0001-kernel32-Set-error-if-dstlen-0-in-codepage-conversio.patch Normal file
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@@ -0,0 +1,124 @@
From 351e216da1c1325ec354183ebf027b09b3d008c7 Mon Sep 17 00:00:00 2001
From: Alex Henrie <alexhenrie24@gmail.com>
Date: Sat, 19 Sep 2015 12:58:37 +0200
Subject: kernel32: Set error if dstlen < 0 in codepage conversion functions
---
dlls/kernel32/locale.c | 4 ++--
dlls/kernel32/tests/codepage.c | 48 +++++++++++++++++++++++++-----------------
2 files changed, 31 insertions(+), 21 deletions(-)
diff --git a/dlls/kernel32/locale.c b/dlls/kernel32/locale.c
index c0a66ef..6ede521 100644
--- a/dlls/kernel32/locale.c
+++ b/dlls/kernel32/locale.c
@@ -2125,7 +2125,7 @@ INT WINAPI MultiByteToWideChar( UINT page, DWORD flags, LPCSTR src, INT srclen,
const union cptable *table;
int ret;
- if (!src || !srclen || (!dst && dstlen))
+ if (!src || !srclen || (!dst && dstlen) || dstlen < 0)
{
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
@@ -2341,7 +2341,7 @@ INT WINAPI WideCharToMultiByte( UINT page, DWORD flags, LPCWSTR src, INT srclen,
const union cptable *table;
int ret, used_tmp;
- if (!src || !srclen || (!dst && dstlen))
+ if (!src || !srclen || (!dst && dstlen) || dstlen < 0)
{
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
diff --git a/dlls/kernel32/tests/codepage.c b/dlls/kernel32/tests/codepage.c
index 54f62ae..6718a3b 100644
--- a/dlls/kernel32/tests/codepage.c
+++ b/dlls/kernel32/tests/codepage.c
@@ -28,6 +28,7 @@
#include "winbase.h"
#include "winnls.h"
+static const char foobarA[] = "foobar";
static const WCHAR foobarW[] = {'f','o','o','b','a','r',0};
static void test_destination_buffer(void)
@@ -144,48 +145,57 @@ static void test_negative_source_length(void)
static void test_negative_dest_length(void)
{
int len, i;
- static char buf[LONGBUFLEN];
+ static WCHAR bufW[LONGBUFLEN];
+ static char bufA[LONGBUFLEN];
static WCHAR originalW[LONGBUFLEN];
static char originalA[LONGBUFLEN];
DWORD theError;
/* Test return on -1 dest length */
SetLastError( 0xdeadbeef );
- memset(buf,'x',sizeof(buf));
- len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, buf, -1, NULL, NULL);
- todo_wine {
- ok(len == 0 && GetLastError() == ERROR_INVALID_PARAMETER,
- "WideCharToMultiByte(destlen -1): len=%d error=%x\n", len, GetLastError());
- }
+ memset(bufA,'x',sizeof(bufA));
+ len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, bufA, -1, NULL, NULL);
+ ok(len == 0 && GetLastError() == ERROR_INVALID_PARAMETER,
+ "WideCharToMultiByte(destlen -1): len=%d error=%x\n", len, GetLastError());
+
+ SetLastError( 0xdeadbeef );
+ memset(bufW,'x',sizeof(bufW));
+ len = MultiByteToWideChar(CP_ACP, 0, foobarA, -1, bufW, -1);
+ ok(len == 0 && GetLastError() == ERROR_INVALID_PARAMETER,
+ "MultiByteToWideChar(destlen -1): len=%d error=%x\n", len, GetLastError());
/* Test return on -1000 dest length */
SetLastError( 0xdeadbeef );
- memset(buf,'x',sizeof(buf));
- len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, buf, -1000, NULL, NULL);
- todo_wine {
- ok(len == 0 && GetLastError() == ERROR_INVALID_PARAMETER,
- "WideCharToMultiByte(destlen -1000): len=%d error=%x\n", len, GetLastError());
- }
+ memset(bufA,'x',sizeof(bufA));
+ len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, bufA, -1000, NULL, NULL);
+ ok(len == 0 && GetLastError() == ERROR_INVALID_PARAMETER,
+ "WideCharToMultiByte(destlen -1000): len=%d error=%x\n", len, GetLastError());
+
+ SetLastError( 0xdeadbeef );
+ memset(bufW,'x',sizeof(bufW));
+ len = MultiByteToWideChar(CP_ACP, 0, foobarA, -1000, bufW, -1);
+ ok(len == 0 && GetLastError() == ERROR_INVALID_PARAMETER,
+ "MultiByteToWideChar(destlen -1000): len=%d error=%x\n", len, GetLastError());
/* Test return on INT_MAX dest length */
SetLastError( 0xdeadbeef );
- memset(buf,'x',sizeof(buf));
- len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, buf, INT_MAX, NULL, NULL);
- ok(len == 7 && !lstrcmpA(buf, "foobar") && GetLastError() == 0xdeadbeef,
+ memset(bufA,'x',sizeof(bufA));
+ len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, bufA, INT_MAX, NULL, NULL);
+ ok(len == 7 && !lstrcmpA(bufA, "foobar") && GetLastError() == 0xdeadbeef,
"WideCharToMultiByte(destlen INT_MAX): len=%d error=%x\n", len, GetLastError());
/* Test return on INT_MAX dest length and very long input */
SetLastError( 0xdeadbeef );
- memset(buf,'x',sizeof(buf));
+ memset(bufA,'x',sizeof(bufA));
for (i=0; i < LONGBUFLEN - 1; i++) {
originalW[i] = 'Q';
originalA[i] = 'Q';
}
originalW[LONGBUFLEN-1] = 0;
originalA[LONGBUFLEN-1] = 0;
- len = WideCharToMultiByte(CP_ACP, 0, originalW, -1, buf, INT_MAX, NULL, NULL);
+ len = WideCharToMultiByte(CP_ACP, 0, originalW, -1, bufA, INT_MAX, NULL, NULL);
theError = GetLastError();
- ok(len == LONGBUFLEN && !lstrcmpA(buf, originalA) && theError == 0xdeadbeef,
+ ok(len == LONGBUFLEN && !lstrcmpA(bufA, originalA) && theError == 0xdeadbeef,
"WideCharToMultiByte(srclen %d, destlen INT_MAX): len %d error=%x\n", LONGBUFLEN, len, theError);
}
--
2.5.1

1
patches/kernel32-Codepage_Conversion/definition Normal file
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@@ -0,0 +1 @@
Fixes: Codepage conversion should fail when destination length is < 0