109 lines
3.8 KiB
Nix
109 lines
3.8 KiB
Nix
{pkgs, config, ...}:
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###### implementation
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let
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inherit (pkgs) nettools wirelesstools bash writeText;
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cfg = config.networking;
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# !!! use XML
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names = map (i: i.name) cfg.interfaces;
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ipAddresses = map (i: if i ? ipAddress then i.ipAddress else "dhcp") cfg.interfaces;
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subnetMasks = map (i: if i ? subnetMask then i.subnetMask else "default") cfg.interfaces;
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essids = map (i: if i ? essid then i.essid else "default") cfg.interfaces;
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wepKeys = map (i: if i ? wepKey then i.wepKey else "nokey") cfg.interfaces;
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modprobe = config.system.sbin.modprobe;
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in
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{
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services = {
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extraJobs = [{
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name = "network-interfaces";
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job = ''
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start on udev
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stop on shutdown
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start script
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export PATH=${modprobe}/sbin:$PATH
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modprobe af_packet || true
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for i in $(cd /sys/class/net && ls -d *); do
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echo "Bringing up network device $i..."
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${nettools}/sbin/ifconfig $i up || true
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done
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# Configure the manually specified interfaces.
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names=(${toString names})
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ipAddresses=(${toString ipAddresses})
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subnetMasks=(${toString subnetMasks})
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essids=(${toString essids})
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wepKeys=(${toString wepKeys})
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for ((n = 0; n < ''${#names[*]}; n++)); do
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name=''${names[$n]}
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ipAddress=''${ipAddresses[$n]}
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subnetMask=''${subnetMasks[$n]}
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essid=''${essids[$n]}
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wepKey=''${wepKeys[$n]}
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# Set wireless networking stuff.
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if test "$essid" != default; then
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${wirelesstools}/sbin/iwconfig "$name" essid "$essid" || true
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fi
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if test "$wepKey" != nokey; then
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${wirelesstools}/sbin/iwconfig "$name" key "$(cat "$wepKey")" || true
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fi
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# Set IP address / netmask.
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if test "$ipAddress" != dhcp; then
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echo "Configuring interface $name..."
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extraFlags=
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if test "$subnetMask" != default; then
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extraFlags="$extraFlags netmask $subnetMask"
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fi
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${nettools}/sbin/ifconfig "$name" "$ipAddress" $extraFlags || true
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fi
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done
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# Set the nameservers.
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if test -n "${toString cfg.nameservers}"; then
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rm -f /etc/resolv.conf
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if test -n "${cfg.domain}"; then
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echo "domain ${cfg.domain}" >> /etc/resolv.conf
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fi
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for i in ${toString cfg.nameservers}; do
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echo "nameserver $i" >> /etc/resolv.conf
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done
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fi
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# Set the default gateway.
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if test -n "${cfg.defaultGateway}"; then
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${nettools}/sbin/route add default gw "${cfg.defaultGateway}" || true
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fi
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# Run any user-specified commands.
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${bash}/bin/sh ${writeText "local-net-cmds" cfg.localCommands} || true
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end script
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# Hack: Upstart doesn't yet support what we want: a service that
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# doesn't have a running process associated with it.
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respawn sleep 100000
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stop script
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for i in $(cd /sys/class/net && ls -d *); do
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echo "Taking down network device $i..."
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${nettools}/sbin/ifconfig $i down || true
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done
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end script
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'';
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}];
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};
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}
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