1 files changed, 8 insertions, 3 deletions

diff --git a/readpass.c b/readpass.c
index c2bacdcd4..7914799a4 100644
--- a/readpass.c
+++ b/readpass.c
@@ -23,7 +23,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: readpass.c,v 1.31 2004/10/29 22:53:56 djm Exp $");
+RCSID("$OpenBSD: readpass.c,v 1.33 2005/05/02 21:13:22 markus Exp $");
 
 #include "xmalloc.h"
 #include "misc.h"
@@ -106,15 +106,20 @@ read_passphrase(const char *prompt, int flags)
         if (flags & RP_USE_ASKPASS)
                 use_askpass = 1;
         else if (flags & RP_ALLOW_STDIN) {
-                if (!isatty(STDIN_FILENO))
+                if (!isatty(STDIN_FILENO)) {
+                        debug("read_passphrase: stdin is not a tty");
                         use_askpass = 1;
+                }
         } else {
                 rppflags |= RPP_REQUIRE_TTY;
                 ttyfd = open(_PATH_TTY, O_RDWR);
                 if (ttyfd >= 0)
                         close(ttyfd);
-                else
+                else {
+                        debug("read_passphrase: can't open %s: %s", _PATH_TTY,
+                            strerror(errno));
                         use_askpass = 1;
+                }
         }
 
         if ((flags & RP_USE_ASKPASS) && getenv("DISPLAY") == NULL)