| /**************************************************************************** |
| * Copyright 2020,2021 Thomas E. Dickey * |
| * Copyright 1998-2009,2010 Free Software Foundation, Inc. * |
| * * |
| * Permission is hereby granted, free of charge, to any person obtaining a * |
| * copy of this software and associated documentation files (the * |
| * "Software"), to deal in the Software without restriction, including * |
| * without limitation the rights to use, copy, modify, merge, publish, * |
| * distribute, distribute with modifications, sublicense, and/or sell * |
| * copies of the Software, and to permit persons to whom the Software is * |
| * furnished to do so, subject to the following conditions: * |
| * * |
| * The above copyright notice and this permission notice shall be included * |
| * in all copies or substantial portions of the Software. * |
| * * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * |
| * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * |
| * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * |
| * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * |
| * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * |
| * * |
| * Except as contained in this notice, the name(s) of the above copyright * |
| * holders shall not be used in advertising or otherwise to promote the * |
| * sale, use or other dealings in this Software without prior written * |
| * authorization. * |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * Author: Juergen Pfeifer * |
| * and: Thomas E. Dickey * |
| ****************************************************************************/ |
| |
| #include <curses.priv.h> |
| |
| MODULE_ID("$Id: lib_win32util.c,v 1.2 2021/09/04 10:54:35 tom Exp $") |
| |
| #ifdef _NC_WINDOWS |
| #include <io.h> |
| |
| #ifdef _NC_CHECK_MINTTY |
| #define PSAPI_VERSION 2 |
| #include <psapi.h> |
| #include <tchar.h> |
| |
| #define array_length(a) (sizeof(a)/sizeof(a[0])) |
| |
| /* This function tests, whether or not the ncurses application |
| is running as a descendant of MSYS2/cygwin mintty terminal |
| application. mintty doesn't use Windows Console for its screen |
| I/O, so the native Windows _isatty doesn't recognize it as |
| character device. But we can discover we are at the end of an |
| Pipe and can query the server side of the pipe, looking whether |
| or not this is mintty. |
| For now we terminate the program if we discover that situation. |
| Althogh in theory it would be possible, to remotely manipulate |
| the terminal state of mintty, this is out of scope for now and |
| not worth the significant effort. |
| */ |
| NCURSES_EXPORT(int) |
| _nc_console_checkmintty(int fd, LPHANDLE pMinTTY) |
| { |
| HANDLE handle = _nc_console_handle(fd); |
| DWORD dw; |
| int code = 0; |
| |
| T((T_CALLED("lib_winhelper::_nc_console_checkmintty(%d, %p)"), fd, pMinTTY)); |
| |
| if (handle != INVALID_HANDLE_VALUE) { |
| dw = GetFileType(handle); |
| if (dw == FILE_TYPE_PIPE) { |
| if (GetNamedPipeInfo(handle, 0, 0, 0, 0)) { |
| ULONG pPid; |
| /* Requires NT6 */ |
| if (GetNamedPipeServerProcessId(handle, &pPid)) { |
| TCHAR buf[MAX_PATH]; |
| DWORD len = 0; |
| /* These security attributes may allow us to |
| create a remote thread in mintty to manipulate |
| the terminal state remotely */ |
| HANDLE pHandle = OpenProcess( |
| PROCESS_CREATE_THREAD |
| | PROCESS_QUERY_INFORMATION |
| | PROCESS_VM_OPERATION |
| | PROCESS_VM_WRITE |
| | PROCESS_VM_READ, |
| FALSE, |
| pPid); |
| if (pMinTTY) |
| *pMinTTY = INVALID_HANDLE_VALUE; |
| if (pHandle != INVALID_HANDLE_VALUE) { |
| if ((len = GetProcessImageFileName( |
| pHandle, |
| buf, |
| (DWORD) |
| array_length(buf)))) { |
| TCHAR *pos = _tcsrchr(buf, _T('\\')); |
| if (pos) { |
| pos++; |
| if (_tcsnicmp(pos, _TEXT("mintty.exe"), 10) |
| == 0) { |
| if (pMinTTY) |
| *pMinTTY = pHandle; |
| code = 1; |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| returnCode(code); |
| } |
| #endif /* _NC_CHECK_MINTTY */ |
| |
| #define JAN1970 116444736000000000LL /* the value for 01/01/1970 00:00 */ |
| |
| NCURSES_EXPORT(int) |
| _nc_gettimeofday(struct timeval *tv, void *tz GCC_UNUSED) |
| { |
| union { |
| FILETIME ft; |
| long long since1601; /* time since 1 Jan 1601 in 100ns units */ |
| } data; |
| |
| GetSystemTimeAsFileTime(&data.ft); |
| tv->tv_usec = (long) ((data.since1601 / 10LL) % 1000000LL); |
| tv->tv_sec = (long) ((data.since1601 - JAN1970) / 10000000LL); |
| return (0); |
| } |
| |
| #endif // _NC_WINDOWS |