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Cygwin: console, pty: Prevent error in legacy console mode.

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This commit is contained in:
Takashi Yano 2019-11-07 01:29:29 +09:00 committed by Corinna Vinschen
parent e5db0d2fe0
commit 3880efb283
4 changed files with 46 additions and 17 deletions
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2
winsup/cygwin/environ.cc
View File

@ -859,6 +859,7 @@ environ_init (char **envp, int envc)
__endtry
}
int sawTERM = 0;
char ** __reg2
win32env_to_cygenv (PWCHAR rawenv, bool posify)
@ -868,7 +869,6 @@ win32env_to_cygenv (PWCHAR rawenv, bool posify)
int envc;
char *newp;
int i;
int sawTERM = 0;
const char cygterm[] = "TERM=cygwin";
const char xterm[] = "TERM=xterm-256color";
char *tmpbuf = tp.t_get ();

1
winsup/cygwin/fhandler.h
View File

@ -1831,6 +1831,7 @@ enum cltype
class dev_console
{
pid_t owner;
bool is_legacy;
WORD default_color, underline_color, dim_color;

46
winsup/cygwin/fhandler_console.cc
View File

@ -309,7 +309,7 @@ fhandler_console::set_cursor_maybe ()
{
con.fillin (get_output_handle ());
/* Nothing to do for xterm compatible mode. */
if (wincap.has_con_24bit_colors ())
if (wincap.has_con_24bit_colors () && !con.is_legacy)
return;
if (con.dwLastCursorPosition.X != con.b.dwCursorPosition.X ||
con.dwLastCursorPosition.Y != con.b.dwCursorPosition.Y)
@ -349,7 +349,7 @@ fhandler_console::send_winch_maybe ()
{
con.scroll_region.Top = 0;
con.scroll_region.Bottom = -1;
if (wincap.has_con_24bit_colors ())
if (wincap.has_con_24bit_colors () && !con.is_legacy)
fix_tab_position (get_output_handle (), con.dwWinSize.X);
get_ttyp ()->kill_pgrp (SIGWINCH);
return true;
@ -483,7 +483,7 @@ sig_exit:
fhandler_console::input_states
fhandler_console::process_input_message (void)
{
if (wincap.has_con_24bit_colors ())
if (wincap.has_con_24bit_colors () && !con.is_legacy)
{
DWORD dwMode;
/* Enable xterm compatible mode in input */
@ -589,7 +589,8 @@ fhandler_console::process_input_message (void)
}
/* Allow Ctrl-Space to emit ^@ */
else if (input_rec[i].Event.KeyEvent.wVirtualKeyCode
== (wincap.has_con_24bit_colors () ? '2' : VK_SPACE)
== ((wincap.has_con_24bit_colors () && !con.is_legacy) ?
'2' : VK_SPACE)
&& (ctrl_key_state & CTRL_PRESSED)
&& !(ctrl_key_state & ALT_PRESSED))
toadd = "";
@ -1023,17 +1024,28 @@ fhandler_console::open (int flags, mode_t)
/* Enable xterm compatible mode in output */
GetConsoleMode (get_output_handle (), &dwMode);
dwMode |= ENABLE_VIRTUAL_TERMINAL_PROCESSING;
SetConsoleMode (get_output_handle (), dwMode);
if (!SetConsoleMode (get_output_handle (), dwMode))
con.is_legacy = true;
else
con.is_legacy = false;
/* Enable xterm compatible mode in input */
GetConsoleMode (get_handle (), &dwMode);
dwMode |= ENABLE_VIRTUAL_TERMINAL_INPUT;
SetConsoleMode (get_handle (), dwMode);
if (!con.is_legacy)
{
GetConsoleMode (get_handle (), &dwMode);
dwMode |= ENABLE_VIRTUAL_TERMINAL_INPUT;
if (!SetConsoleMode (get_handle (), dwMode))
con.is_legacy = true;
}
extern int sawTERM;
if (con.is_legacy && !sawTERM)
setenv ("TERM", "cygwin", 1);
}
DWORD cflags;
if (GetConsoleMode (get_handle (), &cflags))
SetConsoleMode (get_handle (), ENABLE_WINDOW_INPUT
| (wincap.has_con_24bit_colors () ? 0 : ENABLE_MOUSE_INPUT)
| ((wincap.has_con_24bit_colors () && !con.is_legacy) ?
0 : ENABLE_MOUSE_INPUT)
| cflags);
debug_printf ("opened conin$ %p, conout$ %p", get_handle (),
@ -1062,7 +1074,7 @@ fhandler_console::close ()
output_mutex = NULL;
if (shared_console_info && getpid () == con.owner &&
wincap.has_con_24bit_colors ())
wincap.has_con_24bit_colors () && !con.is_legacy)
{
DWORD dwMode;
/* Disable xterm compatible mode in input */
@ -1209,7 +1221,7 @@ fhandler_console::output_tcsetattr (int, struct termios const *t)
acquire_output_mutex (INFINITE);
DWORD flags = ENABLE_PROCESSED_OUTPUT | ENABLE_WRAP_AT_EOL_OUTPUT;
/* If system has 24 bit color capability, use xterm compatible mode. */
if (wincap.has_con_24bit_colors ())
if (wincap.has_con_24bit_colors () && !con.is_legacy)
{
flags |= ENABLE_VIRTUAL_TERMINAL_PROCESSING;
if (!(t->c_oflag & OPOST) || !(t->c_oflag & ONLCR))
@ -1274,9 +1286,10 @@ fhandler_console::input_tcsetattr (int, struct termios const *t)
}
flags |= ENABLE_WINDOW_INPUT |
(wincap.has_con_24bit_colors () ? 0 : ENABLE_MOUSE_INPUT);
((wincap.has_con_24bit_colors () && !con.is_legacy) ?
0 : ENABLE_MOUSE_INPUT);
/* if system has 24 bit color capability, use xterm compatible mode. */
if (wincap.has_con_24bit_colors ())
if (wincap.has_con_24bit_colors () && !con.is_legacy)
flags |= ENABLE_VIRTUAL_TERMINAL_INPUT;
int res;
@ -1650,7 +1663,7 @@ bool fhandler_console::write_console (PWCHAR buf, DWORD len, DWORD& done)
{
bool need_fix_tab_position = false;
/* Check if screen will be alternated. */
if (wincap.has_con_24bit_colors ()
if (wincap.has_con_24bit_colors () && !con.is_legacy
&& memmem (buf, len*sizeof (WCHAR), L"\033[?1049", 7*sizeof (WCHAR)))
need_fix_tab_position = true;
@ -2498,7 +2511,8 @@ fhandler_console::write_normal (const unsigned char *src,
memset (&ps, 0, sizeof ps);
while (found < end
&& found - src < CONVERT_LIMIT
&& (wincap.has_con_24bit_colors () || base_chars[*found] == NOR) )
&& ((wincap.has_con_24bit_colors () && !con.is_legacy)
|| base_chars[*found] == NOR) )
{
switch (ret = f_mbtowc (_REENT, NULL, (const char *) found,
end - found, &ps))
@ -2958,7 +2972,7 @@ fhandler_console::fixup_after_fork_exec (bool execing)
{
set_unit ();
setup_io_mutex ();
if (wincap.has_con_24bit_colors ())
if (wincap.has_con_24bit_colors () && !con.is_legacy)
{
DWORD dwMode;
/* Disable xterm compatible mode in input */

14
winsup/cygwin/fhandler_tty.cc
View File

@ -26,6 +26,7 @@ details. */
#include <asm/socket.h>
#include "cygwait.h"
#include "tls_pbuf.h"
#include "registry.h"
#define ALWAYS_USE_PCON false
#define USE_API_HOOK true
@ -3104,6 +3105,19 @@ is_running_as_service (void)
bool
fhandler_pty_master::setup_pseudoconsole ()
{
/* If the legacy console mode is enabled, pseudo console seems
not to work as expected. To determine console mode, registry
key ForceV2 in HKEY_CURRENT_USER\Console is checked. */
reg_key reg (HKEY_CURRENT_USER, KEY_READ, L"Console", NULL);
if (reg.error ())
return false;
if (reg.get_dword (L"ForceV2", 1) == 0)
{
termios_printf ("Pseudo console is disabled "
"because the legacy console mode is enabled.");
return false;
}
/* Pseudo console supprot is realized using a tricky technic.
PTY need the pseudo console handles, however, they cannot
be retrieved by normal procedure. Therefore, run a helper