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net/mwan3: cleanup egrep ipv6 regex

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The IPv6 egrep regex is confusing and hard to maintain.

Signed-off-by: Florian Eckert <fe@dev.tdt.de>
This commit is contained in:
Florian Eckert
2018-10-15 11:02:55 +02:00
parent 84007a2723
commit 1335e4f3dd
1 changed files with 13 additions and 1 deletions
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net/mwan3/files/lib/mwan3/mwan3.sh
+13 -1
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@@ -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