mirror of
https://github.com/kmein/niveum
synced 2026-03-16 10:11:08 +01:00
24 lines
603 B
Nix
24 lines
603 B
Nix
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{
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openssl,
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writers,
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gnused,
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iproute2,
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jq,
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}:
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writers.writeDashBin "new-mac" ''
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random_mac() {
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${openssl}/bin/openssl rand -hex 6 | ${gnused}/bin/sed 's/\(..\)/\1:/g; s/.$//'
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}
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change_mac() {
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old_mac="$(${iproute2}/bin/ip -j link show "$interface" | ${jq}/bin/jq -r '.[].address')"
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new_mac="$(random_mac)"
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${iproute2}/bin/ip link set "$interface" address "$new_mac" 2>/dev/null && echo "$old_mac -> $new_mac"
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}
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interface="''${1:-wlp3s0}"
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${iproute2}/bin/ip link set "$interface" down
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until change_mac; do :; done
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${iproute2}/bin/ip link set "$interface" up
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''
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