X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/a2b248eea7daa1e943200ac253e05ad0efb8f0be..67ea4e32afe8765efbfd7d0459e865a44eb5d425:/package/base-files/files/lib/network/config.sh?ds=sidebyside diff --git a/package/base-files/files/lib/network/config.sh b/package/base-files/files/lib/network/config.sh index e68223e27..7fa1d37e4 100755 --- a/package/base-files/files/lib/network/config.sh +++ b/package/base-files/files/lib/network/config.sh @@ -13,7 +13,7 @@ find_config() { esac config_get device "$ifn" device for ifc in $device $iface $ifaces; do - [ "$ifc" = "$1" ] && { + [ ."$ifc" = ."$1" ] && { echo "$ifn" return 0 } @@ -24,6 +24,7 @@ find_config() { } scan_interfaces() { + local cfgfile="$1" local mode iftype iface ifname device interfaces= config_cb() { @@ -39,10 +40,11 @@ scan_interfaces() { append interfaces "$CONFIG_SECTION" config_get iftype "$CONFIG_SECTION" type config_get ifname "$CONFIG_SECTION" ifname - config_set "$CONFIG_SECTION" device "$ifname" + config_get device "$CONFIG_SECTION" device + config_set "$CONFIG_SECTION" device "${device:-$ifname}" case "$iftype" in bridge) - config_set "$CONFIG_SECTION" ifnames "$ifname" + config_set "$CONFIG_SECTION" ifnames "${device:-$ifname}" config_set "$CONFIG_SECTION" ifname br-"$CONFIG_SECTION" ;; esac @@ -50,7 +52,7 @@ scan_interfaces() { ;; esac } - config_load network + config_load "${cfgfile:-network}" } add_vlan() { @@ -62,19 +64,18 @@ add_vlan() { } } -setup_interface() { +# Create the interface, if necessary. +# Return status 0 indicates that the setup_interface() call should continue +# Return status 1 means that everything is set up already. + +prepare_interface() { local iface="$1" local config="$2" - local proto - local macaddr - - [ -n "$config" ] || { - config=$(find_config "$iface") - [ "$?" = 0 ] || return 1 - } - proto="${3:-$(config_get "$config" proto)}" - config_get iftype "$config" type + # if we're called for the bridge interface itself, don't bother trying + # to create any interfaces here. The scripts have already done that, otherwise + # the bridge interface wouldn't exist. + [ "br-$config" = "$iface" -o -e "$iface" ] && return 0; ifconfig "$iface" 2>/dev/null >/dev/null && { # make sure the interface is removed from any existing bridge and brought down @@ -84,57 +85,99 @@ setup_interface() { # Setup VLAN interfaces add_vlan "$iface" + ifconfig "$iface" 2>/dev/null >/dev/null || return 0 # Setup bridging + config_get iftype "$config" type + config_get stp "$config" stp case "$iftype" in bridge) [ -x /usr/sbin/brctl ] && { - ifconfig "$iface" up 2>/dev/null >/dev/null ifconfig "br-$config" 2>/dev/null >/dev/null && { $DEBUG brctl addif "br-$config" "$iface" - return 0 + # Bridge existed already. No further processing necesary } || { $DEBUG brctl addbr "br-$config" $DEBUG brctl setfd "br-$config" 0 + $DEBUG ifconfig "br-$config" up $DEBUG brctl addif "br-$config" "$iface" - iface="br-$config" - - # need to bring up the bridge and wait a second for - # it to switch to the 'forwarding' state, otherwise - # it will lose its routes... - ifconfig "$iface" up - sleep 1 + $DEBUG brctl stp "br-$config" ${stp:-off} + # Creating the bridge here will have triggered a hotplug event, which will + # result in another setup_interface() call, so we simply stop processing + # the current event at this point. } + ifconfig "$iface" up 2>/dev/null >/dev/null + return 1 } ;; esac + return 0 +} + +set_interface_ifname() { + local config="$1" + local ifname="$2" + + config_get device "$1" device + uci_set_state network "$config" ifname "$ifname" + uci_set_state network "$config" device "$device" +} + +setup_interface() { + local iface="$1" + local config="$2" + local proto + local macaddr + + [ -n "$config" ] || { + config=$(find_config "$iface") + [ "$?" = 0 ] || return 1 + } + proto="${3:-$(config_get "$config" proto)}" + + prepare_interface "$iface" "$config" || return 0 + + [ "$iface" = "br-$config" ] && { + # need to bring up the bridge and wait a second for + # it to switch to the 'forwarding' state, otherwise + # it will lose its routes... + ifconfig "$iface" up + sleep 1 + } # Interface settings config_get mtu "$config" mtu config_get macaddr "$config" macaddr - $DEBUG ifconfig "$iface" ${macaddr:+hw ether "$macaddr"} ${mtu:+mtu $mtu} up + grep "$iface:" /proc/net/dev > /dev/null && \ + $DEBUG ifconfig "$iface" ${macaddr:+hw ether "$macaddr"} ${mtu:+mtu $mtu} up + set_interface_ifname "$config" "$iface" pidfile="/var/run/$iface.pid" case "$proto" in static) config_get ipaddr "$config" ipaddr config_get netmask "$config" netmask - [ -z "$ipaddr" -o -z "$netmask" ] && return 1 - config_get ip6addr "$config" ip6addr + [ -z "$ipaddr" -o -z "$netmask" ] && [ -z "$ip6addr" ] && return 1 + config_get gateway "$config" gateway + config_get ip6gw "$config" ip6gw config_get dns "$config" dns + config_get bcast "$config" broadcast - [ -z "$ipaddr" ] || $DEBUG ifconfig "$iface" "$ipaddr" netmask "$netmask" - [ -z "$ip6addr" ] || $DEBUG ifconfig "$iface" inet6 add "$ip6addr" - [ -z "$gateway" ] || route add default gw "$gateway" - [ -z "$dns" -o -f /tmp/resolv.conf.auto ] || { + [ -z "$ipaddr" ] || $DEBUG ifconfig "$iface" "$ipaddr" netmask "$netmask" broadcast "${bcast:-+}" + [ -z "$ip6addr" ] || $DEBUG ifconfig "$iface" add "$ip6addr" + [ -z "$gateway" ] || $DEBUG route add default gw "$gateway" + [ -z "$ip6gw" ] || $DEBUG route -A inet6 add default gw "$ip6gw" + [ -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 $ns" >> /tmp/resolv.conf.auto + } done } - env -i ACTION="ifup" INTERFACE="$config" DEVICE="$iface" PROTO=static /sbin/hotplug "iface" & + env -i ACTION="ifup" INTERFACE="$config" DEVICE="$iface" PROTO=static /sbin/hotplug-call "iface" & ;; dhcp) # prevent udhcpc from starting more than once @@ -149,13 +192,14 @@ setup_interface() { config_get netmask "$config" netmask config_get hostname "$config" hostname config_get proto1 "$config" proto + config_get clientid "$config" clientid [ -z "$ipaddr" ] || \ $DEBUG ifconfig "$iface" "$ipaddr" ${netmask:+netmask "$netmask"} # don't stay running in background if dhcp is not the main proto on the interface (e.g. when using pptp) - [ "$proto1" != "$proto" ] && dhcpopts="-n -q" - $DEBUG eval udhcpc -t 0 -i "$iface" ${ipaddr:+-r $ipaddr} ${hostname:+-H $hostname} -b -p "$pidfile" ${dhcpopts:- -R &} + [ ."$proto1" != ."$proto" ] && dhcpopts="-n -q" + $DEBUG eval udhcpc -t 0 -i "$iface" ${ipaddr:+-r $ipaddr} ${hostname:+-H $hostname} ${clientid:+-c $clientid} -b -p "$pidfile" ${dhcpopts:- -R &} lock -u "/var/lock/dhcp-$iface" ;; *) @@ -172,7 +216,8 @@ setup_interface() { unbridge() { local dev="$1" local brdev - + + [ -x /usr/sbin/brctl ] || return 0 brctl show | grep "$dev" >/dev/null && { # interface is still part of a bridge, correct that