From e2dedae72472e411f4bc420755f1c38b2f71b834 Mon Sep 17 00:00:00 2001
From: dtucker <dtucker>
Date: Sun, 20 May 2007 05:26:07 +0000
Subject: [PATCH]  - (dtucker) [auth-pam.c] Return empty string if fgets fails
 in    sshpam_tty_conv.  Patch from ldv at altlinux.org.

---
 ChangeLog  | 2 ++
 auth-pam.c | 3 ++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 2a8670ca..365345c9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -38,6 +38,8 @@
      djm owes me a vb and a tism cd for breaking ssh compilation
  - (dtucker) [auth-pam.c] malloc+memset -> calloc.  Patch from
    ldv at altlinux.org.
+ - (dtucker) [auth-pam.c] Return empty string if fgets fails in
+   sshpam_tty_conv.  Patch from ldv at altlinux.org.
 
 20070509
  - (tim) [configure.ac] Bug #1287: Add missing test for ucred.h.
diff --git a/auth-pam.c b/auth-pam.c
index bfd8f327..35aecbdb 100644
--- a/auth-pam.c
+++ b/auth-pam.c
@@ -984,7 +984,8 @@ sshpam_tty_conv(int n, sshpam_const struct pam_message **msg,
 			break;
 		case PAM_PROMPT_ECHO_ON:
 			fprintf(stderr, "%s\n", PAM_MSG_MEMBER(msg, i, msg));
-			fgets(input, sizeof input, stdin);
+			if (fgets(input, sizeof input, stdin) == NULL)
+				input[0] = '\0';
 			if ((reply[i].resp = strdup(input)) == NULL)
 				goto fail;
 			reply[i].resp_retcode = PAM_SUCCESS;
-- 
2.45.1