From ecaca570fd7f2520295589c77a3df4f7126a62bc Mon Sep 17 00:00:00 2001
From: Robert Martin-Legene <robert@nic.ar>
Date: Wed, 1 Aug 2018 23:31:18 -0300
Subject: [PATCH] Now using mac address as an identifier in vanity section

---
 bin/libbfa.sh | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/bin/libbfa.sh b/bin/libbfa.sh
index 6cfbe1c..c6ed763 100644
--- a/bin/libbfa.sh
+++ b/bin/libbfa.sh
@@ -183,15 +183,19 @@ function    nodedir
     #
     test -r "${BFANODEDIR}/netport"         ||
         echo $(( $RANDOM / 2 + 12345 )) > ${BFANODEDIR}/netport
-    netport=$(     cat ${BFANODEDIR}/netport )
+    netport=$(      cat ${BFANODEDIR}/netport )
     test $? = 0
     test -r "${BFANODEDIR}/rpcport"         ||
         echo $(( $RANDOM / 2 + 12345 )) > ${BFANODEDIR}/rpcport
     rpcport=$(      cat ${BFANODEDIR}/rpcport )
     # something uniqueish
-    local iphash=$( ip addr show scope global | awk '/^ *inet /{print $2}' | sed 's,/.*,,' | sha256sum )
-    BFAEXTRADATA="${USER}@${HOSTNAME} ${iphash}"
-    BFAEXTRADATA="${BFAEXTRADATA:0:32}"
+    ## find default interface
+    local def_if=$( ( ip -4 route show ; ip -6 route show ) | expand | sed -ne '/^default /{s/  */ /g;s/^.* dev //;s/ .*//;p;q}' )
+    local mymac=$( ip link show ${def_if} | sed -ne '/link\|ether/{s/^.*link.ether //;s/ .*//;s/://g;p;q}' )
+
+    BFAEXTRADATA="${USER}@${HOSTNAME}"
+    BFAEXTRADATA="${BFAEXTRADATA}                   "
+    BFAEXTRADATA="${BFAEXTRADATA:0:19} ${mymac}"
 }
 
 function    account
-- 
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