Add patch to empty passphrase issue

net-snmp-5.8-empty-passphrase.patch

@@ -0,0 +1,30 @@
+From 09a0c9005fb72102bf4f4499b28282f823e3e526 Mon Sep 17 00:00:00 2001
+From: Josef Ridky <jridky@redhat.com>
+Date: Wed, 18 Nov 2020 20:54:34 -0800
+Subject: [PATCH] net-snmp-create-v3-user: Handle empty passphrases correctly
+
+See also https://github.com/net-snmp/net-snmp/issues/86.
+
+Fixes: e5ad10de8e17 ("Quote provided encryption key in createUser line")
+Reported-by: Chris Cheney
+---
+ net-snmp-create-v3-user.in | 6 +++++-
+ 1 file changed, 5 insertions(+), 1 deletion(-)
+
+diff --git a/net-snmp-create-v3-user.in b/net-snmp-create-v3-user.in
+index 452c2699d..31b4c58c1 100644
+--- a/net-snmp-create-v3-user.in
++++ b/net-snmp-create-v3-user.in
+@@ -120,7 +120,11 @@ fi
+ fi
+ outdir="@PERSISTENT_DIRECTORY@"
+ outfile="$outdir/snmpd.conf"
+-line="createUser $user $Aalgorithm \"$apassphrase\" $Xalgorithm \"$xpassphrase\""
++if test "x$xpassphrase" = "x" ; then
++    line="createUser $user $Aalgorithm \"$apassphrase\" $Xalgorithm"
++else
++    line="createUser $user $Aalgorithm \"$apassphrase\" $Xalgorithm \"$xpassphrase\""
++fi
+ echo "adding the following line to $outfile:"
+ echo "  " $line
+ # in case it hasn't ever been started yet, start it.