14 lines
566 B
Bash
14 lines
566 B
Bash
#!/bin/bash
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set -euo pipefail
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mapfile -t interfaces < /run/fds/network/interfaces
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(( ${#interfaces[@]} > 0 ))
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for interface in "${interfaces[@]}"; do
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[[ $interface =~ ^[a-zA-Z0-9][a-zA-Z0-9_.-]{0,14}$ ]]
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# This profile is IPv4 DHCP. Do not leave autonomous kernel IPv6 routing
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# active outside the managed client's lifetime.
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if [[ -e /proc/sys/net/ipv6/conf/$interface/disable_ipv6 ]]; then
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printf '1\n' >"/proc/sys/net/ipv6/conf/$interface/disable_ipv6"
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fi
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done
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exec /usr/bin/dhcpcd --nobackground --noipv6 --noipv4ll "${interfaces[@]}"
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