Module: wine Branch: master Commit: da2db26dec5e67e470f76217d40eb48fc2d267e4 URL: http://source.winehq.org/git/wine.git/?a=commit;h=da2db26dec5e67e470f76217d4...
Author: Alexandre Julliard julliard@winehq.org Date: Thu Sep 10 15:29:35 2009 +0200
msvcrt/tests: Add tests for the handle inheritance block.
Based on a patch by André Hentschel.
---
dlls/msvcrt/tests/file.c | 137 +++++++++++++++++++++++++++++++++++++++++++++- 1 files changed, 136 insertions(+), 1 deletions(-)
diff --git a/dlls/msvcrt/tests/file.c b/dlls/msvcrt/tests/file.c index d405656..e652985 100644 --- a/dlls/msvcrt/tests/file.c +++ b/dlls/msvcrt/tests/file.c @@ -857,12 +857,89 @@ static void test_file_inherit_child_no(const char* fd_s) ok( ret == -1 && errno == EBADF, "Wrong write result in child process on %d (%s)\n", fd, strerror(errno)); } - + +static void create_io_inherit_block( STARTUPINFO *startup, unsigned int count, const HANDLE *handles ) +{ + static BYTE block[1024]; + BYTE *wxflag_ptr; + HANDLE *handle_ptr; + unsigned int i; + + startup->lpReserved2 = block; + startup->cbReserved2 = sizeof(unsigned) + (sizeof(char) + sizeof(HANDLE)) * count; + wxflag_ptr = block + sizeof(unsigned); + handle_ptr = (HANDLE *)(wxflag_ptr + count); + + *(unsigned*)block = count; + for (i = 0; i < count; i++) + { + wxflag_ptr[i] = 0x81; + handle_ptr[i] = handles[i]; + } +} + +static const char *read_file( HANDLE file ) +{ + static char buffer[128]; + DWORD ret; + SetFilePointer( file, 0, NULL, FILE_BEGIN ); + if (!ReadFile( file, buffer, sizeof(buffer) - 1, &ret, NULL)) ret = 0; + buffer[ret] = 0; + return buffer; +} + +static void test_stdout_handle( STARTUPINFO *startup, char *cmdline, HANDLE hstdout, BOOL expect_stdout, + const char *descr ) +{ + const char *data; + HANDLE hErrorFile; + SECURITY_ATTRIBUTES sa; + PROCESS_INFORMATION proc; + + /* make file handle inheritable */ + sa.nLength = sizeof(sa); + sa.lpSecurityDescriptor = NULL; + sa.bInheritHandle = TRUE; + + hErrorFile = CreateFileA( "fdopen.err", GENERIC_READ|GENERIC_WRITE, + FILE_SHARE_READ | FILE_SHARE_WRITE, &sa, CREATE_ALWAYS, 0, NULL ); + startup->dwFlags = STARTF_USESTDHANDLES; + startup->hStdInput = GetStdHandle( STD_INPUT_HANDLE ); + startup->hStdOutput = hErrorFile; + startup->hStdError = GetStdHandle( STD_ERROR_HANDLE ); + + CreateProcessA( NULL, cmdline, NULL, NULL, TRUE, + CREATE_DEFAULT_ERROR_MODE | NORMAL_PRIORITY_CLASS, NULL, NULL, startup, &proc ); + winetest_wait_child_process( proc.hProcess ); + + data = read_file( hErrorFile ); + if (expect_stdout) + ok( strcmp( data, "Success" ), "%s: Error file shouldn't contain data\n", descr ); + else + ok( !strcmp( data, "Success" ), "%s: Wrong error data (%s)\n", descr, data ); + + if (hstdout) + { + data = read_file( hstdout ); + if (expect_stdout) + ok( !strcmp( data, "Success" ), "%s: Wrong stdout data (%s)\n", descr, data ); + else + ok( strcmp( data, "Success" ), "%s: Stdout file shouldn't contain data\n", descr ); + } + + CloseHandle( hErrorFile ); + DeleteFile( "fdopen.err" ); +} + static void test_file_inherit( const char* selfname ) { int fd; const char* arg_v[5]; char buffer[16]; + char cmdline[MAX_PATH]; + STARTUPINFO startup; + SECURITY_ATTRIBUTES sa; + HANDLE handles[3];
fd = open ("fdopen.tst", O_CREAT | O_RDWR | O_BINARY, _S_IREAD |_S_IWRITE); ok(fd != -1, "Couldn't create test file\n"); @@ -890,6 +967,64 @@ static void test_file_inherit( const char* selfname ) ok(read(fd, buffer, sizeof (buffer)) == 0, "Found unexpected data (%s)\n", buffer); close (fd); ok(unlink("fdopen.tst") == 0, "Couldn't unlink\n"); + + /* make file handle inheritable */ + sa.nLength = sizeof(sa); + sa.lpSecurityDescriptor = NULL; + sa.bInheritHandle = TRUE; + sprintf(cmdline, "%s file inherit 1", selfname); + + /* init an empty Reserved2, which should not be recognized as inherit-block */ + ZeroMemory(&startup, sizeof(STARTUPINFO)); + startup.cb = sizeof(startup); + create_io_inherit_block( &startup, 0, NULL ); + test_stdout_handle( &startup, cmdline, 0, FALSE, "empty block" ); + + /* test with valid inheritblock */ + handles[0] = GetStdHandle( STD_INPUT_HANDLE ); + handles[1] = CreateFileA( "fdopen.tst", GENERIC_READ|GENERIC_WRITE, + FILE_SHARE_READ | FILE_SHARE_WRITE, &sa, CREATE_ALWAYS, 0, NULL ); + handles[2] = GetStdHandle( STD_ERROR_HANDLE ); + create_io_inherit_block( &startup, 3, handles ); + test_stdout_handle( &startup, cmdline, handles[1], TRUE, "valid block" ); + CloseHandle( handles[1] ); + DeleteFile("fdopen.tst"); + + /* test inherit block starting with unsigned zero */ + handles[1] = CreateFileA( "fdopen.tst", GENERIC_READ|GENERIC_WRITE, + FILE_SHARE_READ | FILE_SHARE_WRITE, &sa, CREATE_ALWAYS, 0, NULL ); + create_io_inherit_block( &startup, 3, handles ); + *(unsigned int *)startup.lpReserved2 = 0; + test_stdout_handle( &startup, cmdline, handles[1], FALSE, "zero count block" ); + CloseHandle( handles[1] ); + DeleteFile("fdopen.tst"); + + /* test inherit block with smaller size */ + handles[1] = CreateFileA( "fdopen.tst", GENERIC_READ|GENERIC_WRITE, + FILE_SHARE_READ | FILE_SHARE_WRITE, &sa, CREATE_ALWAYS, 0, NULL ); + create_io_inherit_block( &startup, 3, handles ); + startup.cbReserved2 -= 3; + test_stdout_handle( &startup, cmdline, handles[1], TRUE, "small size block" ); + CloseHandle( handles[1] ); + DeleteFile("fdopen.tst"); + + /* test inherit block with even smaller size */ + handles[1] = CreateFileA( "fdopen.tst", GENERIC_READ|GENERIC_WRITE, + FILE_SHARE_READ | FILE_SHARE_WRITE, &sa, CREATE_ALWAYS, 0, NULL ); + create_io_inherit_block( &startup, 3, handles ); + startup.cbReserved2 = sizeof(unsigned int) + sizeof(HANDLE) + sizeof(char); + test_stdout_handle( &startup, cmdline, handles[1], FALSE, "smaller size block" ); + CloseHandle( handles[1] ); + DeleteFile("fdopen.tst"); + + /* test inherit block with larger size */ + handles[1] = CreateFileA( "fdopen.tst", GENERIC_READ|GENERIC_WRITE, + FILE_SHARE_READ | FILE_SHARE_WRITE, &sa, CREATE_ALWAYS, 0, NULL ); + create_io_inherit_block( &startup, 3, handles ); + startup.cbReserved2 += 7; + test_stdout_handle( &startup, cmdline, handles[1], TRUE, "large size block" ); + CloseHandle( handles[1] ); + DeleteFile("fdopen.tst"); }
static void test_tmpnam( void )