diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2017-05-27 09:34:56 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2017-05-27 09:34:56 +0000 |
| commit | a7c474d1b0c7225dcba5c8445629b1e97cfc82fd (patch) | |
| tree | ea63389bac41abab9d57ef725b7285dc62f834af /libexec | |
| parent | 322b0aeefdf01931f75da5c48cfe289b97814ab8 (diff) | |
Stop echoing ANSI sequences back to the console, by expanding ESC character
to literal ^[. This makes getty interaction appear more like login, and
stops a mid-ANSI sequence parsing problem that messed up login, making it
freeze the session until timeout.
ok tedu fcambus
Diffstat (limited to 'libexec')
| -rw-r--r-- | libexec/getty/main.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/libexec/getty/main.c b/libexec/getty/main.c index c96eebf9a02..e8f2e93ac4d 100644 --- a/libexec/getty/main.c +++ b/libexec/getty/main.c @@ -1,4 +1,4 @@ -/* $OpenBSD: main.c,v 1.45 2017/05/27 09:31:13 deraadt Exp $ */ +/* $OpenBSD: main.c,v 1.46 2017/05/27 09:34:55 deraadt Exp $ */ /*- * Copyright (c) 1980, 1993 @@ -392,7 +392,11 @@ getname(void) if (IG && (c <= ' ' || c > 0176)) continue; *np++ = c; - putchr(cs); + if (c == '\033') { + putchr('^'); + putchr('['); + } else + putchr(cs); } signal(SIGINT, SIG_IGN); if (interrupt_flag) { |