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busybox: Download and patch the dispatcher script from upstream
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@ -31,6 +31,14 @@ let
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CONFIG_FEATURE_UTMP n
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CONFIG_FEATURE_WTMP n
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'';
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debianName = "busybox_1.30.1-5";
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debianTarball = fetchTarball {
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url = "http://deb.debian.org/debian/pool/main/b/busybox/${debianName}.debian.tar.xz";
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sha256 = "03m4rvs2pd0hj0mdkdm3r4m1gh0bgwr0cvnqds297xnkfi5s01nx";
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};
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debianDispatcherScript = "${debianTarball}/tree/udhcpc/etc/udhcpc/default.script";
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outDispatchPath = "$out/default.script";
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in
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stdenv.mkDerivation rec {
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@ -81,7 +89,7 @@ stdenv.mkDerivation rec {
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CONFIG_FEATURE_COPYBUF_KB 64
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# Set the path for the udhcpc script
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CONFIG_UDHCPC_DEFAULT_SCRIPT "$out/share/default.script"
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CONFIG_UDHCPC_DEFAULT_SCRIPT "${outDispatchPath}"
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${extraConfig}
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CONFIG_CROSS_COMPILER_PREFIX "${stdenv.cc.targetPrefix}"
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@ -98,9 +106,12 @@ stdenv.mkDerivation rec {
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'';
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postInstall = ''
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mkdir $out/share
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substituteAll ${./default.script} $out/share/default.script
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chmod +x $out/share/default.script
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sed -e '
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1 a busybox() { '$out'/bin/busybox "$@"; }\
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logger() { '$out'/bin/logger "$@"; }\
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' ${debianDispatcherScript} > ${outDispatchPath}
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chmod 555 ${outDispatchPath}
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PATH=$out/bin patchShebangs ${outDispatchPath}
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'';
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depsBuildBuild = [ buildPackages.stdenv.cc ];
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@ -1,66 +0,0 @@
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#!@bash@/bin/sh
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# Busybox udhcpc dispatcher script.
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# Copyright (C) 2009 by Axel Beckert.
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# Copyright (C) 2014 by Michael Tokarev.
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#
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# Based on the busybox example scripts and the old udhcp source
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# package default.* scripts.
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RESOLV_CONF="/etc/resolv.conf"
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log() {
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@out@/bin/logger -t "udhcpc[$PPID]" -p daemon.$1 "$interface: $2"
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}
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case $1 in
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bound|renew)
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# Configure new IP address.
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# Do it unconditionally even if the address hasn't changed,
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# to also set subnet, broadcast, mtu, ...
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@out@/bin/ifconfig $interface ${mtu:+mtu $mtu} \
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$ip netmask $subnet ${broadcast:+broadcast $broadcast}
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# get current ("old") routes (after setting new IP)
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crouter=$(@out@/bin/ip -4 route show dev $interface |
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@out@/bin/awk '$1 == "default" { print $3; }')
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router="${router%% *}" # linux kernel supports only one (default) route
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if [ ".$router" != ".$crouter" ]; then
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# reset just default routes
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@out@/bin/ip -4 route flush exact 0.0.0.0/0 dev $interface
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fi
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if [ -n "$router" ]; then
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# special case for /32 subnets: use onlink keyword
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[ ".$subnet" = .255.255.255.255 ] \
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&& onlink=onlink || onlink=
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@out@/bin/ip -4 route add default via $router dev $interface $onlink
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fi
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# Update resolver configuration file
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[ -n "$domain" ] && R="domain $domain" || R=""
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for i in $dns; do
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R="$R
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nameserver $i"
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done
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echo "$R" > "$RESOLV_CONF"
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log info "$1: IP=$ip/$subnet router=$router domain=\"$domain\" dns=\"$dns\" lease=$lease"
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;;
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deconfig)
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@out@/bin/ip link set $interface up
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@out@/bin/ip -4 addr flush dev $interface
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@out@/bin/ip -4 route flush dev $interface
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log notice "deconfigured"
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;;
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leasefail | nak)
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log err "configuration failed: $1: $message"
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;;
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*)
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echo "$0: Unknown udhcpc command: $1" >&2
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exit 1
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;;
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esac
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