From ea91a8cc67ce3e5a946ddb9e55ae6387a216a90e Mon Sep 17 00:00:00 2001
From: Lukas Braun <lukas.braun@fau.de>
Date: Mon, 28 Aug 2017 15:40:31 +0200
Subject: [PATCH] pam_goatherd: replace incorrect constant by sizeof
str_fail is 6 chars including \0.
---
pam_goatherd.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/pam_goatherd.c b/pam_goatherd.c
index 06a50a9..56199ba 100644
--- a/pam_goatherd.c
+++ b/pam_goatherd.c
@@ -198,7 +198,8 @@ static int check_hotp(struct cfg cfg, size_t n_server, const char *user, const c
goto bye;
}
- char buf[5];
+ // str_fail is the biggest expected response string
+ char buf[sizeof(str_fail)];
ssize_t recvd;
if ((recvd = gnutls_record_recv(session, &buf, sizeof(buf) - 1)) < 0)
{
--
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