Improve IPv6 handling to cope with multiple addresses.

Link-local addresses and privacy addresses are filtered out.

inxi

@@ -8119,6 +8119,7 @@ get_networking_local_ip_data()
 			aInterfaces[interface]++
 
 			while (getline && !/^$/ ) {
+				addIpV6 = ""
 				if ( ipTool == "ifconfig" ) {
 					if (/inet addr:/) {
 						ifIp = gensub( /addr:([0-9\.]+)/, "\\1", "g", $2 )
@@ -8127,7 +8128,7 @@ get_networking_local_ip_data()
 						}
 					}
 					if (/inet6 addr:/) {
-						ifIpV6 = $3
+						addIpV6 = $3
 					}
 					if ( bsdType == "bsd" ) {
 						if ( $1 == "inet" ) {
@@ -8138,7 +8139,7 @@ get_networking_local_ip_data()
 						}
 						if ( $0 ~ /inet6.*%/ ) {
 							sub(/%.*/,"",$2)
-							ifIpV6 = $2
+							addIpV6 = $2
 						}
 					}
 				}
@@ -8146,15 +8147,24 @@ get_networking_local_ip_data()
 					if ( $1 == "inet" ) {
 						ifIp = $2
 					}
-					if ( $1 == "inet6" ) {
-						ifIpV6 = $2
+					if ( $1 == "inet6" && $0 !~ / temporary/) { # filter out IPv6 privacy addresses
+						addIpV6 = $2
+					}
+				}
+
+				if ( addIpV6 != "" && addIpV6 !~ /^fe80:/ ) { # filter out IPv6 link-local
+					if ( ifIpV6 == "" ) {
+						ifIpV6 = addIpV6
+					}
+					else {
+						ifIpV6 = ifIpV6 "," addIpV6
 					}
 				}
 			}
 			# slice off the digits that are sometimes tacked to the end of the address, 
 			# like: /64 or /24
 			sub(/\/[0-9]+/, "", ifIp)
-			sub(/\/[0-9]+/, "", ifIpV6)
+			gsub(/\/[0-9]+/, "", ifIpV6)
 			ipAddresses[interface] = ifIp "," ifMask "," ifIpV6
 		}
 		END {
@@ -13515,6 +13525,7 @@ print_network_advanced_data()
 print_networking_ip_data()
 {
 	eval $LOGFS
+	# $ip should be IPv4
 	local ip=$( get_networking_wan_ip_data )
 	local wan_ip_data='' a_interfaces_working='' interfaces='' i=0
 	local if_id='' if_ip='' if_ipv6='' if_ipv6_string='' full_string='' if_string=''
@@ -13556,7 +13567,8 @@ print_networking_ip_data()
 					if [[ $B_OUTPUT_FILTER == 'true' ]];then
 						if_ipv6=$FILTER_STRING
 					else
-						if_ipv6=${a_interfaces_working[3]}
+						# may be more than one address here; get them all as one string
+						if_ipv6=${a_interfaces_working[@]:3}
 					fi
 				fi
 				if_ipv6_string=" ${C1}ip-v6$SEP3${C2} $if_ipv6"