From: Andreas Henriksson <andreas@fatal.se>
Date: Mon, 28 Nov 2016 16:24:49 +0000 (+0100)
Subject: sulogin: make getpasswd(...) return NULL on ^D
X-Git-Tag: v2.30-rc1~362
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=60dea9d187caa700e42f37c7955116f71be912d5;p=thirdparty%2Futil-linux.git

sulogin: make getpasswd(...) return NULL on ^D

This makes the caller bail out early instead of evaluating the
input as a password.

Reported-by: Bjørn Mork <bjorn@mork.no>
Addresses: http://bugs.debian.org/846112
Signed-off-by: Andreas Henriksson <andreas@fatal.se>
---

diff --git a/login-utils/sulogin.c b/login-utils/sulogin.c
index a44216bda0..806a967f05 100644
--- a/login-utils/sulogin.c
+++ b/login-utils/sulogin.c
@@ -695,6 +695,7 @@ static char *getpasswd(struct console *con)
 				ptr--;
 			break;
 		case CEOF:
+			ret = NULL;
 			goto quit;
 		default:
 			if ((size_t)(ptr - &pass[0]) >= (sizeof(pass) -1 )) {