The devices /dev/conin,conout,console were wrongly visible from ptys, though they are inaccessible. This is because fhandler_console::exists() returns true due to existing invisible console. This patch makes these devices invisible from ptys.
Signed-off-by: Takashi Yano <[email protected]> --- winsup/cygwin/devices.cc | 5 ++++- winsup/cygwin/devices.in | 5 ++++- 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/winsup/cygwin/devices.cc b/winsup/cygwin/devices.cc index a0762f292..9f6e80acb 100644 --- a/winsup/cygwin/devices.cc +++ b/winsup/cygwin/devices.cc @@ -9,6 +9,8 @@ #include "path.h" #include "fhandler.h" #include "ntdll.h" +#include "dtable.h" +#include "cygheap.h" typedef const _device *KR_device_t; @@ -76,7 +78,8 @@ exists_console (const device& dev) case FH_CONSOLE: case FH_CONIN: case FH_CONOUT: - return fhandler_console::exists (); + return cygheap && cygheap->ctty && cygheap->ctty->is_console () + && fhandler_console::exists (); default: /* Only show my own console device (for now?) */ return iscons_dev (myself->ctty) && myself->ctty == devn; diff --git a/winsup/cygwin/devices.in b/winsup/cygwin/devices.in index 7506dfe9c..48199f46c 100644 --- a/winsup/cygwin/devices.in +++ b/winsup/cygwin/devices.in @@ -8,6 +8,8 @@ #include "path.h" #include "fhandler.h" #include "ntdll.h" +#include "dtable.h" +#include "cygheap.h" typedef const _device *KR_device_t; } @@ -72,7 +74,8 @@ exists_console (const device& dev) case FH_CONSOLE: case FH_CONIN: case FH_CONOUT: - return fhandler_console::exists (); + return cygheap && cygheap->ctty && cygheap->ctty->is_console () + && fhandler_console::exists (); default: /* Only show my own console device (for now?) */ return iscons_dev (myself->ctty) && myself->ctty == devn; -- 2.39.0
