From 1381e63d6caac1d5d064b60f6e2cb11bf0608e14 Mon Sep 17 00:00:00 2001
From: kevlo <kevlo@FreeBSD.org>
Date: Wed, 22 Feb 2012 06:27:20 +0000
Subject: Handle NULL return from crypt(3). Mostly from DragonFly

---
 usr.sbin/ppp/auth.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'usr.sbin/ppp')

diff --git a/usr.sbin/ppp/auth.c b/usr.sbin/ppp/auth.c
index 66a3de7..fbfc929 100644
--- a/usr.sbin/ppp/auth.c
+++ b/usr.sbin/ppp/auth.c
@@ -126,9 +126,11 @@ auth_CheckPasswd(const char *name, const char *data, const char *key)
     /* Then look up the real password database */
     struct passwd *pw;
     int result;
+    char *cryptpw;
 
+    cryptpw = crypt(key, pw->pw_passwd);
     result = (pw = getpwnam(name)) &&
-             !strcmp(crypt(key, pw->pw_passwd), pw->pw_passwd);
+             (cryptpw == NULL || !strcmp(cryptpw, pw->pw_passwd));
     endpwent();
     return result;
 #else /* !NOPAM */
-- 
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