dissimulo
e38a6b3166
Add tmux-vpn-ip helper (parses ifconfig for utun* on macOS, falls back to tun/wg/ppp on Linux) and a tmux-net wrapper that conditionally emits "⌂ <local> / ⇡ <vpn>" when a VPN tunnel is up, or just "<local>" when it's not. status-right now calls tmux-net.
25 lines
586 B
Bash
Executable File
25 lines
586 B
Bash
Executable File
#!/bin/bash
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#
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# Print the IPv4 of the first active VPN tunnel interface, if any.
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# Empty output when no VPN is up.
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#
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# macOS: utun* Linux: tun*, wg*, ppp*
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set -u
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case "$(uname -s)" in
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Darwin)
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ifconfig 2>/dev/null | awk '
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/^utun[0-9]+:/ { iface=$1; sub(":", "", iface); next }
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/^[a-z]+[0-9]*:/ { iface="" }
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iface != "" && $1 == "inet" { print $2; exit }
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'
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;;
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Linux)
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if command -v ip >/dev/null 2>&1; then
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ip -4 -o addr show 2>/dev/null \
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| awk '$2 ~ /^(tun|wg|ppp)[0-9]+/ { sub("/.*","",$4); print $4; exit }'
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fi
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;;
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esac
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