1 files changed, 6 insertions, 2 deletions
diff --git a/readpass.c b/readpass.c
index c2bacdcd..a193d036 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 1.32 2005/04/23 23:43:47 dtucker Exp $");
 
 #include "xmalloc.h"
 #include "misc.h"
@@ -107,14 +107,18 @@ read_passphrase(const char *prompt, int flags)
 		use_askpass = 1;
 	else if (flags & RP_ALLOW_STDIN) {
 		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)