Andrew Nguyen : kernel32: Improve parameter validation for FillConsoleOutputCharacterW.
Alexandre Julliard
julliard at winehq.org
Tue Jan 4 09:47:30 CST 2011
Module: wine
Branch: master
Commit: 5a7c633fabc1c1682352673216fbaa57f9eab231
URL: http://source.winehq.org/git/wine.git/?a=commit;h=5a7c633fabc1c1682352673216fbaa57f9eab231
Author: Andrew Nguyen <anguyen at codeweavers.com>
Date: Mon Jan 3 21:25:39 2011 -0600
kernel32: Improve parameter validation for FillConsoleOutputCharacterW.
---
dlls/kernel32/console.c | 12 +++++--
dlls/kernel32/tests/console.c | 67 +++++++++++++++++++++++++++++++++++++++++
2 files changed, 76 insertions(+), 3 deletions(-)
diff --git a/dlls/kernel32/console.c b/dlls/kernel32/console.c
index 2c310bd..d365df2 100644
--- a/dlls/kernel32/console.c
+++ b/dlls/kernel32/console.c
@@ -755,6 +755,14 @@ BOOL WINAPI FillConsoleOutputCharacterW( HANDLE hConsoleOutput, WCHAR ch, DWORD
TRACE("(%p,%s,%d,(%dx%d),%p)\n",
hConsoleOutput, debugstr_wn(&ch, 1), length, coord.X, coord.Y, lpNumCharsWritten);
+ if (!lpNumCharsWritten)
+ {
+ SetLastError(ERROR_INVALID_ACCESS);
+ return FALSE;
+ }
+
+ *lpNumCharsWritten = 0;
+
SERVER_START_REQ( fill_console_output )
{
req->handle = console_handle_unmap(hConsoleOutput);
@@ -765,9 +773,7 @@ BOOL WINAPI FillConsoleOutputCharacterW( HANDLE hConsoleOutput, WCHAR ch, DWORD
req->data.ch = ch;
req->count = length;
if ((ret = !wine_server_call_err( req )))
- {
- if (lpNumCharsWritten) *lpNumCharsWritten = reply->written;
- }
+ *lpNumCharsWritten = reply->written;
}
SERVER_END_REQ;
return ret;
diff --git a/dlls/kernel32/tests/console.c b/dlls/kernel32/tests/console.c
index 0ed73c0..112d737 100644
--- a/dlls/kernel32/tests/console.c
+++ b/dlls/kernel32/tests/console.c
@@ -1652,6 +1652,72 @@ static void test_WriteConsoleOutputAttribute(HANDLE output_handle)
ok(count == 1, "Expected count to be 1, got %u\n", count);
}
+static void test_FillConsoleOutputCharacterW(HANDLE output_handle)
+{
+ COORD origin = {0, 0};
+ DWORD count;
+ BOOL ret;
+ int i;
+
+ const struct
+ {
+ HANDLE hConsoleOutput;
+ WCHAR ch;
+ DWORD length;
+ COORD coord;
+ LPDWORD lpNumCharsWritten;
+ DWORD expected_count;
+ DWORD last_error;
+ int win7_crash;
+ } invalid_table[] =
+ {
+ {NULL, 'a', 0, origin, NULL, 0xdeadbeef, ERROR_INVALID_ACCESS, 1},
+ {NULL, 'a', 0, origin, &count, 0, ERROR_INVALID_HANDLE},
+ {NULL, 'a', 1, origin, NULL, 0xdeadbeef, ERROR_INVALID_ACCESS, 1},
+ {NULL, 'a', 1, origin, &count, 0, ERROR_INVALID_HANDLE},
+ {INVALID_HANDLE_VALUE, 'a', 0, origin, NULL, 0xdeadbeef, ERROR_INVALID_ACCESS, 1},
+ {INVALID_HANDLE_VALUE, 'a', 0, origin, &count, 0, ERROR_INVALID_HANDLE},
+ {INVALID_HANDLE_VALUE, 'a', 1, origin, NULL, 0xdeadbeef, ERROR_INVALID_ACCESS, 1},
+ {INVALID_HANDLE_VALUE, 'a', 1, origin, &count, 0, ERROR_INVALID_HANDLE},
+ {output_handle, 'a', 0, origin, NULL, 0xdeadbeef, ERROR_INVALID_ACCESS, 1},
+ {output_handle, 'a', 1, origin, NULL, 0xdeadbeef, ERROR_INVALID_ACCESS, 1},
+ };
+
+ for (i = 0; i < sizeof(invalid_table)/sizeof(invalid_table[0]); i++)
+ {
+ if (invalid_table[i].win7_crash)
+ continue;
+
+ SetLastError(0xdeadbeef);
+ if (invalid_table[i].lpNumCharsWritten) count = 0xdeadbeef;
+ ret = FillConsoleOutputCharacterW(invalid_table[i].hConsoleOutput,
+ invalid_table[i].ch,
+ invalid_table[i].length,
+ invalid_table[i].coord,
+ invalid_table[i].lpNumCharsWritten);
+ ok(!ret, "[%d] Expected FillConsoleOutputCharacterW to return FALSE, got %d\n", i, ret);
+ if (invalid_table[i].lpNumCharsWritten)
+ {
+ ok(count == invalid_table[i].expected_count,
+ "[%d] Expected count to be %u, got %u\n",
+ i, invalid_table[i].expected_count, count);
+ }
+ ok(GetLastError() == invalid_table[i].last_error,
+ "[%d] Expected last error to be %u, got %u\n",
+ i, invalid_table[i].last_error, GetLastError());
+ }
+
+ count = 0xdeadbeef;
+ ret = FillConsoleOutputCharacterW(output_handle, 'a', 0, origin, &count);
+ ok(ret == TRUE, "Expected FillConsoleOutputCharacterW to return TRUE, got %d\n", ret);
+ ok(count == 0, "Expected count to be 0, got %u\n", count);
+
+ count = 0xdeadbeef;
+ ret = FillConsoleOutputCharacterW(output_handle, 'a', 1, origin, &count);
+ ok(ret == TRUE, "Expected FillConsoleOutputCharacterW to return TRUE, got %d\n", ret);
+ ok(count == 1, "Expected count to be 1, got %u\n", count);
+}
+
START_TEST(console)
{
HANDLE hConIn, hConOut;
@@ -1711,4 +1777,5 @@ START_TEST(console)
test_WriteConsoleOutputCharacterA(hConOut);
test_WriteConsoleOutputCharacterW(hConOut);
test_WriteConsoleOutputAttribute(hConOut);
+ test_FillConsoleOutputCharacterW(hConOut);
}
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