installer: Rework downloading ISO and allow using a custom URL

src/installer/dracut-module/70-dhcpcd.exe

@@ -12,21 +12,45 @@
 #
 ########################################################################
 
-dhcpcd_up()
-{
+LEASE_FILE="/var/ipfire/dhcpc/dhcpcd-${interface}.info"
+
+export_lease() {
 	set | grep "^new_" | sed "s|^new_||g" | \
-	sed "s|'||g" | \
-	sort > /var/ipfire/dhcpc/dhcpcd-$interface.info
-
-	DNS=`grep "domain_name_servers" /var/ipfire/dhcpc/dhcpcd-$interface.info | cut -d"=" -f2`
-	DNS1=`echo $DNS | cut -d" " -f1`
-	DNS2=`echo $DNS | cut -d" " -f2`
-
-	echo "nameserver $DNS1" > /etc/resolv.conf
-	echo "nameserver $DNS2" >> /etc/resolv.conf
-
+	sed "s|'||g" | sort > ${LEASE_FILE}
 }
 
-case "$reason" in
-BOUND|INFORM|REBIND|REBOOT|RENEW|TIMEOUT|STATIC)	dhcpcd_up;;
+make_resolvconf() {
+	local DNS="$(grep 'domain_name_servers' ${LEASE_FILE} | cut -d'=' -f2)"
+	local DNS1="$(echo ${DNS} | cut -d' ' -f1)"
+	local DNS2="$(echo ${DNS} | cut -d' ' -f2)"
+
+	(
+		echo "nameserver ${DNS1}"
+		echo "nameserver ${DNS2}"
+	) > /etc/resolv.conf
+}
+
+case "${reason}" in
+	PREINIT)
+		# Configure MTU
+		if [ -n "${new_interface_mtu}" ] && [ ${new_interface_mtu} -gt 576 ]; then
+			echo "Setting MTU to ${new_interface_mtu}"
+			ip link set "${interface}" mtu "${new_interface_mtu}"
+		fi
+		;;
+
+	BOUND|INFORM|REBIND|REBOOT|RENEW|TIMEOUT|STATIC)
+		# Export all information about the newly received lease
+		# to file
+		export_lease
+
+		# Create system configuration files
+		make_resolvconf
+		;;
+
+	EXPIRE|FAIL|IPV4LL|NAK|NOCARRIER|RELEASE|STOP)
+		rm -f "${LEASE_FILE}"
+		;;
 esac
+
+exit 0

src/installer/dracut-module/module-setup.sh

@@ -35,17 +35,18 @@ install() {
     inst_multiple tar gzip lzma xz
 
     # Networking
-    inst_multiple dhcpcd ethtool hostname ip ping wget
+    inst_multiple dhcpcd ethtool hostname ip ping sort wget
     inst /usr/bin/start-networking.sh
-    inst /var/ipfire/dhcpc/dhcpcd-run-hooks
     inst /var/ipfire/dhcpc/dhcpcd.conf
-    for file in /var/ipfire/dhcpc/dhcpcd-hooks/*; do
-        inst "${file}"
-    done
+    inst /var/ipfire/dhcpc/dhcpcd-run-hooks
     inst "$moddir/70-dhcpcd.exe" "/var/ipfire/dhcpc/dhcpcd-hooks/70-dhcpcd.exe"
 
+    inst /etc/host.conf /etc/hosts /etc/protocols
+    inst /etc/nsswitch.conf /etc/resolv.conf
+    inst_libdir_file "libnss_dns.so.*"
+
     # Misc. tools
-    inst_multiple cut grep eject killall md5sum touch
+    inst_multiple cut grep eject id killall md5sum touch
     inst_multiple -o fdisk cfdisk df ps top
 
     # Hardware IDs