keep track of the network interface states (stored in uci format in /var/state/networ...

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7643 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/base-files/files/etc/hotplug.d/iface/00-netstate b/package/base-files/files/etc/hotplug.d/iface/00-netstate
new file mode 100644 (file)
index 0000000..fce5472
--- /dev/null
+++ b/package/base-files/files/etc/hotplug.d/iface/00-netstate
@@ -0,0 +1,6 @@
+[ ifup = "$ACTION" ] && {
+       uci set "/var/state/network.$INTERFACE.up=1"
+       [ -z "$DEVICE" ] || {
+               uci set "/var/state/network.$INTERFACE.ifname=$DEVICE"
+       }
+}

diff --git a/package/base-files/files/etc/init.d/boot b/package/base-files/files/etc/init.d/boot
index 7181f8b..02519fb 100755 (executable)
--- a/package/base-files/files/etc/init.d/boot
+++ b/package/base-files/files/etc/init.d/boot
@@ -35,6 +35,7 @@ start() {
        mkdir -p /var/run
        mkdir -p /var/log
        mkdir -p /var/lock
+       mkdir -p /var/state
        touch /var/log/wtmp
        touch /var/log/lastlog
        ln -s /tmp/resolv.conf.auto /tmp/resolv.conf

diff --git a/package/base-files/files/lib/network/config.sh b/package/base-files/files/lib/network/config.sh
index 8e19a6e..c6d909f 100755 (executable)
--- a/package/base-files/files/lib/network/config.sh
+++ b/package/base-files/files/lib/network/config.sh
@@ -74,9 +74,7 @@ prepare_interface() {
        # if we're called for the bridge interface itself, don't bother trying
        # to create any interfaces here. The scripts have already done that, otherwise
        # the bridge interface wouldn't exist.
-       [ "br-$config" = "$iface" ] && return 0;
-
-       [ -f "$iface" ] && return 0;
+       [ "br-$config" = "$iface" -o -f "$iface" ] && return 0;
        
        ifconfig "$iface" 2>/dev/null >/dev/null && {
                # make sure the interface is removed from any existing bridge and brought down
@@ -155,9 +153,11 @@ setup_interface() {
                        [ -z "$ip6addr" ] || $DEBUG ifconfig "$iface" add "$ip6addr"
                        [ -z "$gateway" ] || $DEBUG route add default gw "$gateway"
                        [ -z "$bcast" ] || $DEBUG ifconfig "$iface" broadcast "$bcast"
-                       [ -z "$dns" -o -f /tmp/resolv.conf.auto ] || {
+                       [ -z "$dns" ] || {
                                for ns in $dns; do
-                                       echo "nameserver $ns" >> /tmp/resolv.conf.auto
+                                       grep "$ns" /tmp/resolv.conf.auto 2>/dev/null >/dev/null || {
+                                               echo "nameserver $ns" >> /tmp/resolv.conf.auto
+                                       }
                                done
                        }
 

diff --git a/package/base-files/files/sbin/ifdown b/package/base-files/files/sbin/ifdown
index 8ec568f..f8ce81b 100755 (executable)
--- a/package/base-files/files/sbin/ifdown
+++ b/package/base-files/files/sbin/ifdown
@@ -10,6 +10,12 @@
        config_load network
        exit
 }
+
+# remove the interface's network state
+FILE=/var/state/network.$$
+grep -v "^config_set '$1' " /var/state/network > "$FILE"
+mv "$FILE" /var/state/network
+
 include /lib/network
 scan_interfaces
 

diff --git a/package/base-files/files/usr/share/udhcpc/default.script b/package/base-files/files/usr/share/udhcpc/default.script
index 53bb699..a3a696b 100755 (executable)
--- a/package/base-files/files/usr/share/udhcpc/default.script
+++ b/package/base-files/files/usr/share/udhcpc/default.script
@@ -13,7 +13,13 @@ hotplug_event() {
 
                config_get proto $ifc proto
                [ "$proto" = "dhcp" ] || continue
-
+               [ ifup = "$1" ] && {
+                       uci set "/var/state/network.$ifc.ipaddr=$ip"
+                       uci set "/var/state/network.$ifc.netmask=${subnet:-255.255.255.0}"
+                       uci set "/var/state/network.$ifc.dnsdomain=$domain"
+                       uci set "/var/state/network.$ifc.dns=$dns"
+                       uci set "/var/state/network.$ifc.gateway=$router"
+               }
                env -i ACTION="$1" INTERFACE="$ifc" DEVICE="$ifname" PROTO=dhcp /sbin/hotplug-call iface
        done
 }

diff --git a/package/ppp/files/etc/ppp/ip-down b/package/ppp/files/etc/ppp/ip-down
index 814948e..f3d63a0 100755 (executable)
--- a/package/ppp/files/etc/ppp/ip-down
+++ b/package/ppp/files/etc/ppp/ip-down
@@ -1,5 +1,19 @@
 #!/bin/sh
-[ -z "$6" ] || env -i ACTION="ifdown" INTERFACE="$6" DEVICE="$1" PROTO=ppp /sbin/hotplug-call "iface"
+PPP_IFACE="$1"
+PPP_TTY="$2"
+PPP_SPEED="$3"
+PPP_LOCAL="$4"
+PPP_REMOTE="$5"
+PPP_IPPARAM="$6"
+export PPP_IFACE PPP_TTY PPP_SPEED PPP_LOCAL PPP_REMOTE PPP_IPPARAM
+[ -z "$PPP_IPPARAM" ] || {
+       env -i ACTION="ifdown" INTERFACE="$PPP_IPPARAM" DEVICE="$PPP_IFACE" PROTO=ppp /sbin/hotplug-call "iface"
+
+       # remove the interface's network state
+       FILE=/var/state/network.$$
+       grep -v "^config_set '$PPP_IPPARAM' " /var/state/network > "$FILE"
+       mv "$FILE" /var/state/network
+}
 
 [ -d /etc/ppp/ip-down.d ] && {
        for SCRIPT in /etc/ppp/ip-down.d/*

diff --git a/package/ppp/files/etc/ppp/ip-up b/package/ppp/files/etc/ppp/ip-up
index 22b65e8..a50137f 100755 (executable)
--- a/package/ppp/files/etc/ppp/ip-up
+++ b/package/ppp/files/etc/ppp/ip-up
@@ -1,5 +1,17 @@
 #!/bin/sh
-[ -z "$6" ] || env -i ACTION="ifup" INTERFACE="$6" DEVICE="$1" PROTO=ppp /sbin/hotplug-call "iface"
+PPP_IFACE="$1"
+PPP_TTY="$2"
+PPP_SPEED="$3"
+PPP_LOCAL="$4"
+PPP_REMOTE="$5"
+PPP_IPPARAM="$6"
+export PPP_IFACE PPP_TTY PPP_SPEED PPP_LOCAL PPP_REMOTE PPP_IPPARAM
+[ -z "$PPP_IPPARAM" ] || env -i ACTION="ifup" INTERFACE="$PPP_IPPARAM" DEVICE="$PPP_IFACE" PROTO=ppp /sbin/hotplug-call "iface"
+[ -z "$PPP_IPPARAM" -o -z "$PPP_LOCAL" ] || {
+       uci set "/var/state/network.$PPP_IPPARAM.ipaddr=$PPP_LOCAL"
+       uci set "/var/state/network.$PPP_IPPARAM.gateway=$PPP_REMOTE"
+}
+
 
 [ -d /etc/ppp/ip-up.d ] && {
        for SCRIPT in /etc/ppp/ip-up.d/*