34 lines
768 B
Bash
34 lines
768 B
Bash
# network utility functions
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# get the ip address of the host
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function get_local_ip() {
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echo -e "The interfaces and IPs are:\n$(ip -o -4 addr show | awk '/inet 192.168|inet 10.|inet 172.16/ {split($4, a, "/"); print $2 ": " a[1] "\n"}')"
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}
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function get_public_ip() {
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public_ip=$(curl -s canhazip.com)
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echo -e "The public IP is: $public_ip"
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}
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function is_dns_working() {
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dns_working=$(ping -c 1 google.com | grep "1 received" | wc -l)
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if [ $dns_working -eq 1 ]; then
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return 0
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else
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return 1
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fi
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}
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function reconnect_vpn_on_dns_failure() {
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# reconnect vpn if dns is not working
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if ! is_dns_working; then
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echo "DNS is not working, reconnecting VPN"
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mullvad reconnect
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else
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echo "DNS is working, no need to reconnect VPN"
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fi
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}
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