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-rwxr-xr-xsetup-interfaces.in136
1 files changed, 136 insertions, 0 deletions
diff --git a/setup-interfaces.in b/setup-interfaces.in
new file mode 100755
index 0000000..cfb4ad0
--- /dev/null
+++ b/setup-interfaces.in
@@ -0,0 +1,136 @@
+#!/bin/sh
+
+PROGRAM=setup-interfaces
+PREFIX=
+
+. $PREFIX/lib/libalpine.sh
+
+
+detect_interfaces() {
+ ip addr | grep -v ' lo:' | awk -F : '/^[0-9]*:/ { print $2}'
+}
+
+get_first_unconfigured() {
+ ls *.noconf 2>/dev/null | head -n 1 | sed 's/.noconf//'
+}
+
+get_default_addr() {
+ # check if dhcpcd is running
+ if pidof dhcpcd > /dev/null && [ -f "$ROOT/var/lib/dhcpc/dhcpcd-$1.info" ]; then
+ echo dhcp
+ else
+ ip addr show $1 | awk '/inet / {print $2}' | head -n 1 | sed 's:/.*::'
+ fi
+}
+
+get_default_mask() {
+ if [ "$1" ] ; then
+ ipcalc -m $1 | sed 's/.*=//'
+ else
+ echo "255.255.255.0"
+ fi
+}
+
+get_default_gateway() {
+ ip route show dev $1 | awk '/^default/ {print $3}'
+}
+
+
+config_iface() {
+ local iface=$1
+ local address
+ local netmask
+ local gateway
+ while invalid_ip $address ; do
+ address=`get_default_addr $iface`
+ echon "Ip address for $iface? (or 'dhcp') [$address] "
+ default_read address $address
+ [ "$address" = "abort" ] && return
+ if [ "$address" = "dhcp" ] ; then
+ HAS_DHCP=yes
+ echo "type=dhcp" > $iface.conf
+ rm $iface.noconf
+ return
+ fi
+ done
+
+ while invalid_ip $netmask ; do
+ netmask=`get_default_mask $address`
+ echon "Netmask? [$netmask] "
+ default_read netmask "$netmask"
+ [ "$netmask" = "abort" ] && return
+ done
+
+ while invalid_ip $gateway ; do
+ gateway=`get_default_gateway $iface`
+ [ -z "$gateway" ] && gateway=none
+ echon "Gateway? (or 'none') [$gateway] "
+ default_read gateway $gateway
+ [ "$gateway" = "abort" ] && return
+ [ "$gateway" = "none" ] && gateway=""
+ [ -z "$gateway" ] && break
+ done
+
+ echo "type=static" > $iface.conf
+ echo "address=$address" >> $iface.conf
+ echo "netmask=$netmask" >> $iface.conf
+ echo "gateway=$gateway" >> $iface.conf
+
+ rm $iface.noconf
+}
+
+init_tmpdir TMP
+
+cd $TMP
+for i in $(detect_interfaces); do
+ touch $i.noconf
+done
+
+
+while ls *.noconf > /dev/null 2>&1 ; do
+ echon "Available interfaces are:"
+ for i in *.noconf; do
+ echon " `basename $i .noconf`"
+ done
+ echo "."
+
+ firstif=`get_first_unconfigured`
+ echon "Which one do you want to initialize? (or 'done') [$firstif] "
+ default_read iface "$firstif"
+
+ [ "$iface" = "done" ] && break
+ [ -f $iface.noconf ] || continue
+ config_iface $iface
+done
+
+echo "type=loopback" > lo.conf
+echo "" > interface
+for i in *.conf ; do
+ iface=`basename $i .conf`
+ . ./$i
+ echo "" >> interfaces
+ echo "auto $iface" >> interfaces
+ echo "iface $iface inet $type" >> interfaces
+ [ "$type" = "static" ] || continue
+ echo " address $address" >> interfaces
+ echo " netmask $netmask" >> interfaces
+ [ "$gateway" ] && echo " gateway $gateway" >> interfaces
+done
+
+while [ "$answer" != "yes" ] && [ "$answer" != "no" ] ; do
+ echon "Do you want to do any manual network configuration? [no] "
+ default_read answer no
+done
+
+if [ "$answer" = "yes" ]; then
+ [ -z "$EDITOR" ] && EDITOR=nano
+ case $EDITOR in
+ nano) pkg_inst nano;;
+ vim) pkg_inst vim;;
+ esac
+ $EDITOR interfaces
+fi
+
+mkdir -p $ROOT/etc/network
+cp interfaces $ROOT/etc/network/
+