From 1335e4f3dde65192ae0376792f3d18711439d24f Mon Sep 17 00:00:00 2001 From: Florian Eckert Date: Mon, 15 Oct 2018 11:02:55 +0200 Subject: [PATCH] net/mwan3: cleanup egrep ipv6 regex The IPv6 egrep regex is confusing and hard to maintain. Signed-off-by: Florian Eckert --- net/mwan3/files/lib/mwan3/mwan3.sh | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/net/mwan3/files/lib/mwan3/mwan3.sh b/net/mwan3/files/lib/mwan3/mwan3.sh index 8c8f23523..eff51892b 100644 --- a/net/mwan3/files/lib/mwan3/mwan3.sh +++ b/net/mwan3/files/lib/mwan3/mwan3.sh @@ -7,6 +7,18 @@ IPT4="iptables -t mangle -w" IPT6="ip6tables -t mangle -w" LOG="logger -t mwan3[$$] -p" CONNTRACK_FILE="/proc/net/nf_conntrack" +IPv6_REGEX="([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|" +IPv6_REGEX="${IPv6_REGEX}([0-9a-fA-F]{1,4}:){1,7}:|" +IPv6_REGEX="${IPv6_REGEX}([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|" +IPv6_REGEX="${IPv6_REGEX}([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|" +IPv6_REGEX="${IPv6_REGEX}([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|" +IPv6_REGEX="${IPv6_REGEX}([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|" +IPv6_REGEX="${IPv6_REGEX}([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|" +IPv6_REGEX="${IPv6_REGEX}[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|" +IPv6_REGEX="${IPv6_REGEX}:((:[0-9a-fA-F]{1,4}){1,7}|:)|" +IPv6_REGEX="${IPv6_REGEX}fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|" +IPv6_REGEX="${IPv6_REGEX}::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|" +IPv6_REGEX="${IPv6_REGEX}([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])" MWAN3_STATUS_DIR="/var/run/mwan3" MWAN3TRACK_STATUS_DIR="/var/run/mwan3track" @@ -199,7 +211,7 @@ mwan3_set_connected_iptables() $IPS -! create mwan3_connected_v6 hash:net family inet6 $IPS create mwan3_connected_v6_temp hash:net family inet6 - for connected_network_v6 in $($IP6 route | awk '{print $1}' | egrep '([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])'); do + for connected_network_v6 in $($IP6 route | awk '{print $1}' | egrep "$IPv6_REGEX"); do $IPS -! add mwan3_connected_v6_temp $connected_network_v6 done