With TIOCSTI supported in pledge "tty proc", csh is good enough to run

with pledge "stdio rpath wpath cpath fattr getpw proc exec tty".  (Note
that ksh "emacs mode" is also a abus^Wconsumer of TIOCSTI, but we had
let that slide for a week since noone uses it...)

diff --git a/bin/csh/csh.c b/bin/csh/csh.c
index 52fdbfc..3ef96b6 100644 (file)
--- a/bin/csh/csh.c
+++ b/bin/csh/csh.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: csh.c,v 1.28 2015/02/08 05:51:37 tedu Exp $   */
+/*     $OpenBSD: csh.c,v 1.29 2015/10/18 03:09:11 deraadt Exp $        */
 /*     $NetBSD: csh.c,v 1.14 1995/04/29 23:21:28 mycroft Exp $ */
 
 /*-
@@ -104,6 +104,10 @@ main(int argc, char *argv[])
     cshout = stdout;
     csherr = stderr;
 
+    if (pledge("stdio rpath wpath cpath fattr getpw proc exec tty",
+       NULL) == -1)
+           perror("pledge");
+
     settimes();                        /* Immed. estab. timing base */
 
     /*