From 1007a0504996db61195251ff1db186180e05a49c Mon Sep 17 00:00:00 2001
From: Packit Service <user-cont-team+packit-service@redhat.com>
Date: Dec 03 2020 08:14:00 +0000
Subject: Apply patch net-snmp-5.8-ipv6-disabled.patch


patch_name: net-snmp-5.8-ipv6-disabled.patch
present_in_specfile: true

---

diff --git a/agent/mibgroup/ip-mib/data_access/ipaddress_linux.c b/agent/mibgroup/ip-mib/data_access/ipaddress_linux.c
index b57000a..f997dc4 100644
--- a/agent/mibgroup/ip-mib/data_access/ipaddress_linux.c
+++ b/agent/mibgroup/ip-mib/data_access/ipaddress_linux.c
@@ -19,6 +19,7 @@
 
 #include <errno.h>
 #include <sys/ioctl.h>
+#include <sys/stat.h>
 
 netsnmp_feature_require(prefix_info)
 netsnmp_feature_require(find_prefix_info)
@@ -234,7 +235,18 @@ _load_v6(netsnmp_container *container, int idx_offset)
 
 #define PROCFILE "/proc/net/if_inet6"
     if (!(in = fopen(PROCFILE, "r"))) {
-        NETSNMP_LOGONCE((LOG_ERR, "ipaddress_linux: could not open " PROCFILE));
+
+        /* 
+         * If PROCFILE exists, but isn't readable, file ERROR message.
+         * Otherwise log nothing, due of IPv6 support on this machine is
+         * intentionaly disabled/unavailable.
+         */
+
+        struct stat filestat;
+
+        if(stat(PROCFILE, &filestat) == 0){
+            NETSNMP_LOGONCE((LOG_ERR, "ipaddress_linux: could not open " PROCFILE));
+        }
         return -2;
     }