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Add validation for $SERVER_PUB_NIC

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This commit is contained in:
randomshell 2020-07-02 10:56:37 +00:00
parent 23e31150f9
commit 45f533cbdd
1 changed files with 4 additions and 2 deletions
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6
wireguard-install.sh
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@ -63,8 +63,10 @@ function installWireGuard() {
read -rp "IPv4 or IPv6 public address: " -e -i "$SERVER_PUB_IP" SERVER_PUB_IP
# Detect public interface and pre-fill for the user
SERVER_PUB_NIC="$(ip -4 route ls | grep default | grep -Po '(?<=dev )(\S+)' | head -1)"
read -rp "Public interface: " -e -i "$SERVER_PUB_NIC" SERVER_PUB_NIC
SERVER_NIC="$(ip -4 route ls | grep default | grep -Po '(?<=dev )(\S+)' | head -1)"
until [[ "$SERVER_PUB_NIC" =~ ^[a-zA-Z0-9_]+$ ]]; do
read -rp "Public interface: " -e -i "$SERVER_NIC" SERVER_PUB_NIC
done
until [[ "$SERVER_WG_NIC" =~ ^[a-zA-Z0-9_]+$ ]]; do
read -rp "WireGuard interface name: " -e -i wg0 SERVER_WG_NIC