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-rwxr-xr-xcontrib/client-server-example/client.sh20
1 files changed, 20 insertions, 0 deletions
diff --git a/contrib/client-server-example/client.sh b/contrib/client-server-example/client.sh
new file mode 100755
index 0000000..fbae46a
--- /dev/null
+++ b/contrib/client-server-example/client.sh
@@ -0,0 +1,20 @@
+#!/bin/bash
+set -e
+[[ $UID == 0 ]] || { echo "You must be root to run this."; exit 1; }
+umask 077
+trap 'rm -f /tmp/wg_private_key' EXIT INT TERM
+exec 3<>/dev/tcp/demo.wireguard.io/42912
+wg genkey | tee /tmp/wg_private_key | wg pubkey >&3
+IFS=: read -r status server_pubkey server_port internal_ip <&3
+[[ $status == OK ]]
+ip link del dev wg0 2>/dev/null || true
+ip link add dev wg0 type wireguard
+wg set wg0 private-key /tmp/wg_private_key peer "$server_pubkey" allowed-ips 0.0.0.0/0 endpoint "demo.wireguard.io:$server_port"
+ip address add "$internal_ip"/24 dev wg0
+ip link set up dev wg0
+if [ "$1" == "default-route" ]; then
+ host="$(wg show wg0 endpoints | sed -n 's/.*\t\(.*\):.*/\1/p')"
+ ip route add $(ip route get $host | sed '/ via [0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}/{s/^\(.* via [0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\).*/\1/}' | head -n 1) 2>/dev/null || true
+ ip route add 0/1 dev wg0
+ ip route add 128/1 dev wg0
+fi