From c4f02c6d2c01dac70d72345773dd2bcdebf77fe5 Mon Sep 17 00:00:00 2001
From: "Christoph M. Becker" <cmbecker69@gmx.de>
Date: Wed, 28 Oct 2020 15:30:49 +0100
Subject: [PATCH] Fix #70461: disable md5 code when it is not supported in
 net-snmp

Patch contributed by Alexander Bergmann.
---
 ext/snmp/snmp.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/ext/snmp/snmp.c b/ext/snmp/snmp.c
index ef23d1ba810d2..1c2bbe5e35e81 100644
--- a/ext/snmp/snmp.c
+++ b/ext/snmp/snmp.c
@@ -1208,10 +1208,13 @@ static int netsnmp_session_set_sec_level(struct snmp_session *s, char *level)
    Set the authentication protocol in the snmpv3 session */
 static int netsnmp_session_set_auth_protocol(struct snmp_session *s, char *prot)
 {
+#ifndef DISABLE_MD5
 	if (!strcasecmp(prot, "MD5")) {
 		s->securityAuthProto = usmHMACMD5AuthProtocol;
 		s->securityAuthProtoLen = USM_AUTH_PROTO_MD5_LEN;
-	} else if (!strcasecmp(prot, "SHA")) {
+	} else
+#endif
+	if (!strcasecmp(prot, "SHA")) {
 		s->securityAuthProto = usmHMACSHA1AuthProtocol;
 		s->securityAuthProtoLen = USM_AUTH_PROTO_SHA_LEN;
 	} else {