[rfs-stage31] Fix resolving, set hostname

4 files changed, 34 insertions, 11 deletions

diff --git a/remote/rootfs/rootfs-stage31/data/inc/setup_network b/remote/rootfs/rootfs-stage31/data/inc/setup_network
index 3de48057..ed29050f 100755
--- a/remote/rootfs/rootfs-stage31/data/inc/setup_network
+++ b/remote/rootfs/rootfs-stage31/data/inc/setup_network
@@ -86,6 +86,5 @@ if [ -n "$CLIENTIP" ]; then
 fi
 echo -n "$CLIENTIP" > "/run/firstip"
 echo -n "$GATEWAY" > "/run/firstgw"
-echo -n "$FUTURE_ROOT" > "/run/future_root"
 udhcpc $PARAM -O domain -O nissrv -O nisdomain -O wpad -t 5 -T 2 -s "/inc/udhcpc-trigger" -f -n -q -i "$BRIDGE"
 
diff --git a/remote/rootfs/rootfs-stage31/data/inc/setup_stage32 b/remote/rootfs/rootfs-stage31/data/inc/setup_stage32
index 4e19fb3a..09ff7f3e 100755
--- a/remote/rootfs/rootfs-stage31/data/inc/setup_stage32
+++ b/remote/rootfs/rootfs-stage31/data/inc/setup_stage32
@@ -43,6 +43,9 @@ mkdir -p /mnt/opt/openslx/uniontmp /mnt/tmp
 busybox mount -n --move "$FUTURE_ROOT" /mnt/opt/openslx/uniontmp || drop_shell "Problem moving uniontmp."
 FUTURE_ROOT="/mnt"
 
+# Move network stuff
+cp /etc/hostname /etc/hosts /etc/resolv.conf   "${FUTURE_ROOT}"
+
 # "Delete" addon hook-script in aufs view
 touch "/mnt/opt/openslx/uniontmp/.wh.addon-init"
 
diff --git a/remote/rootfs/rootfs-stage31/data/inc/udhcpc-trigger b/remote/rootfs/rootfs-stage31/data/inc/udhcpc-trigger
index 7a8eaf0b..ea4d002d 100755
--- a/remote/rootfs/rootfs-stage31/data/inc/udhcpc-trigger
+++ b/remote/rootfs/rootfs-stage31/data/inc/udhcpc-trigger
@@ -42,18 +42,39 @@ if [ -n "${router}" ]; then
 	echo -n "$router" > "/run/firstgw"
 fi
 
-RESOLV=$(cat "/run/future_root")
-RESOLV="${RESOLV}/etc/resolv.conf"
-rm -f -- "$RESOLV"
+rm -f -- "/etc/resolv.conf"
 
 # DNS/domain?
-if [ -n "$domain" ]; then
-	echo "domain $domain" >> "$RESOLV"
-	echo "search $domain" >> "$RESOLV"
-fi
 [ -n "$dns" ] && echo "..got DNS.."
 for serv in $dns; do
-	echo "nameserver $serv" >> "$RESOLV"
+	echo "nameserver $serv" >> "/etc/resolv.conf"
 done
-cp "$RESOLV" "/etc/resolv.conf" 2>/dev/null
+if [ -z "$domain" ]; then
+	# try to get domain via reverse lookup if empty
+	echo "..trying to get domain via DNS, as DHCP didn't supply one.."
+	fqdn=$(nslookup "$ip" | grep -E "^Address +[0-9]+: +$ip " | head -n 1 | awk '{print $4}')
+	domain="${fqdn#*.}"
+fi
+if [ -n "$domain" ]; then
+	echo "domain $domain" >> "/etc/resolv.conf"
+	echo "search $domain" >> "/etc/resolv.conf" # TODO: patch busybox
+fi
+
+
+# Hostname
+if [ -z "$hostname" ]; then
+	# as with domain, if there's no hostname, try to get via DNS
+	echo "..trying to get hostname via DNS, as DHCP didn't supply one.."
+	[ -z "$fqdn" ] && fqdn=$(nslookup "$ip" | grep -E "^Address +[0-9]+: +$ip " | head -n 1 | awk '{print $4}')
+	hostname="${fqdn%%.*}"
+elif [ -n "$domain" ]; then
+	fqdn="${hostname}.${domain%% *}" # in case domain is a list
+fi
+if [ -n "$hostname" ]; then
+	[ -z "$fqdn" ] && fqdn="$hostname"
+	echo "..setting hostname $hostname (fqdn: $fqdn).."
+	echo "$fqdn" > "/proc/sys/kernel/hostname"
+	echo "$fqdn" > "/etc/hostname"
+	echo "$ip $fqdn $hostname" > "/etc/hosts"
+fi
 
diff --git a/remote/rootfs/rootfs-stage31/rootfs-stage31.build b/remote/rootfs/rootfs-stage31/rootfs-stage31.build
index 82477940..f3eab5b6 100644
--- a/remote/rootfs/rootfs-stage31/rootfs-stage31.build
+++ b/remote/rootfs/rootfs-stage31/rootfs-stage31.build
@@ -16,7 +16,7 @@ build() {
 	done
 
 	mkdir -p "$MODULE_BUILD_DIR/lib"
-	find /lib /lib64 /usr/lib /usr/lib64 \( -name "libnss_dns*" -o -name "libresolv*" \) -exec cp {} "$MODULE_BUILD_DIR/lib" \;
+	find /lib /lib64 /usr/lib /usr/lib64 \( -name "libnss_dns*" -o -name "libresolv*" \) -exec cp -a {} "$MODULE_BUILD_DIR/lib/" \;
 
 	tarcopy "$(cat "$COPYLIST" | sort -u)" "$MODULE_BUILD_DIR"
 }