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wireguard-tools: replace backticks by $(...) 

This replaces deprecated backticks by more versatile $(...) syntax.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
master
Adrian Schmutzler 2020-05-10 16:47:51 +02:00
parent d7d6e055e9
commit b837216345
1 changed files with 4 additions and 4 deletions
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8
package/network/utils/wireguard-tools/files/wireguard_watchdog
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@ -27,7 +27,7 @@ check_peer_activity() {
config_get public_key "${cfg}" "public_key"
config_get endpoint_host "${cfg}" "endpoint_host"
config_get endpoint_port "${cfg}" "endpoint_port"
persistent_keepalive=`wg show ${iface} persistent-keepalive | grep ${public_key} | awk '{print $2}'`
persistent_keepalive=$(wg show ${iface} persistent-keepalive | grep ${public_key} | awk '{print $2}')
# only process peers with endpoints and keepalive set
[ -z ${endpoint_host} ] && return 0;
@ -42,16 +42,16 @@ check_peer_activity() {
[ -n "${IPV4}" -o -n "${IPV6}" ] && return 0;
# re-resolve endpoint hostname if not responding for too long
last_handshake=`wg show ${iface} latest-handshakes | grep ${public_key} | awk '{print $2}'`
last_handshake=$(wg show ${iface} latest-handshakes | grep ${public_key} | awk '{print $2}')
[ -z ${last_handshake} ] && return 0;
idle_seconds=$((`date +%s`-${last_handshake}))
idle_seconds=$(($(date +%s)-${last_handshake}))
[ ${idle_seconds} -lt 150 ] && return 0;
logger -t "wireguard_monitor" "${iface} endpoint ${endpoint_host}:${endpoint_port} is not responding for ${idle_seconds} seconds, trying to re-resolve hostname"
wg set ${iface} peer ${public_key} endpoint "${endpoint_host}:${endpoint_port}"
}
# query ubus for all active wireguard interfaces
wg_ifaces=`ubus -S call network.interface dump | jsonfilter -e '@.interface[@.up=true]' | jsonfilter -a -e '@[@.proto="wireguard"].interface' | tr "\n" " "`
wg_ifaces=$(ubus -S call network.interface dump | jsonfilter -e '@.interface[@.up=true]' | jsonfilter -a -e '@[@.proto="wireguard"].interface' | tr "\n" " ")
# check every peer in every active wireguard interface
config_load network