From fbd958d295903210d7c4e5d658b4027ac5997a8f Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Thu, 7 Aug 2008 15:28:48 +0000 Subject: [PATCH] add basic interface alias support. for now (since we don't use ip in our network scripts yet), it adds :1, :2, ... alias interfaces this will change when we add support for the ip utility, but the config format will remain the same. example: config alias test option interface lan option ipaddr 192.168.1.1 option netmask 255.255.0.0 SVN-Revision: 12241 --- .../base-files/files/lib/network/config.sh | 117 ++++++++++++------ package/base-files/files/sbin/ifdown | 6 +- 2 files changed, 85 insertions(+), 38 deletions(-) diff --git a/package/base-files/files/lib/network/config.sh b/package/base-files/files/lib/network/config.sh index 0a7464495f..13e1980d9c 100755 --- a/package/base-files/files/lib/network/config.sh +++ b/package/base-files/files/lib/network/config.sh @@ -142,6 +142,66 @@ set_interface_ifname() { uci_set_state network "$config" device "$device" } +setup_interface_static() { + local iface="$1" + local config="$2" + + config_get ipaddr "$config" ipaddr + config_get netmask "$config" netmask + config_get ip6addr "$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" broadcast "${bcast:-+}" + [ -z "$ip6addr" ] || $DEBUG ifconfig "$iface" add "$ip6addr" + [ -z "$gateway" ] || $DEBUG route add default gw "$gateway" dev "$iface" + [ -z "$ip6gw" ] || $DEBUG route -A inet6 add default gw "$ip6gw" dev "$iface" + [ -z "$dns" ] || { + for ns in $dns; do + grep "$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-call "iface" & +} + +setup_interface_alias() { + local config="$1" + local parent="$2" + local iface="$3" + + config_get cfg "$config" interface + [ "$parent" == "$cfg" ] || return 0 + + # alias counter + config_get ctr "$parent" alias_count + ctr="$(($ctr + 1))" + config_set "$parent" alias_count "$ctr" + + # alias list + config_get list "$parent" aliases + append list "$config" + config_set "$parent" aliases "$list" + + set_interface_ifname "$config" "$iface:$ctr" + config_get proto "$config" proto + case "${proto:-static}" in + static) + setup_interface_static "$iface:$ctr" "$config" + ;; + *) + echo "Unsupported type '$proto' for alias config '$config'" + return 1 + ;; + esac +} + setup_interface() { local iface="$1" local config="$2" @@ -174,52 +234,30 @@ setup_interface() { pidfile="/var/run/$iface.pid" case "$proto" in static) - config_get ipaddr "$config" ipaddr - config_get netmask "$config" netmask - config_get ip6addr "$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" broadcast "${bcast:-+}" - [ -z "$ip6addr" ] || $DEBUG ifconfig "$iface" add "$ip6addr" - [ -z "$gateway" ] || $DEBUG route add default gw "$gateway" dev "$iface" - [ -z "$ip6gw" ] || $DEBUG route -A inet6 add default gw "$ip6gw" dev "$iface" - [ -z "$dns" ] || { - for ns in $dns; do - grep "$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="$iface" PROTO=static /sbin/hotplug-call "iface" & + setup_interface_static "$iface" "$config" ;; dhcp) # prevent udhcpc from starting more than once lock "/var/lock/dhcp-$iface" pid="$(cat "$pidfile" 2>/dev/null)" - [ -d "/proc/$pid" ] && grep udhcpc "/proc/${pid}/cmdline" >/dev/null 2>/dev/null && { + if [ -d "/proc/$pid" ] && grep udhcpc "/proc/${pid}/cmdline" >/dev/null 2>/dev/null; then lock -u "/var/lock/dhcp-$iface" - return 0 - } + else - config_get ipaddr "$config" ipaddr - config_get netmask "$config" netmask - config_get hostname "$config" hostname - config_get proto1 "$config" proto - config_get clientid "$config" clientid + config_get ipaddr "$config" ipaddr + config_get netmask "$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"} + [ -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} ${clientid:+-c $clientid} -b -p "$pidfile" ${dhcpopts:- -R &} - lock -u "/var/lock/dhcp-$iface" + # 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} ${clientid:+-c $clientid} -b -p "$pidfile" ${dhcpopts:- -R &} + lock -u "/var/lock/dhcp-$iface" + fi ;; *) if ( eval "type setup_interface_$proto" ) >/dev/null 2>/dev/null; then @@ -230,6 +268,11 @@ setup_interface() { fi ;; esac + config_set "$config" aliases "" + config_set "$config" alias_count 0 + config_foreach setup_interface_alias alias "$config" "$iface" + config_get aliases "$config" aliases + [ -z "$aliases" ] || uci_set_state network "$config" aliases "$aliases" } unbridge() { diff --git a/package/base-files/files/sbin/ifdown b/package/base-files/files/sbin/ifdown index 7cc87deb77..9eadad31e8 100755 --- a/package/base-files/files/sbin/ifdown +++ b/package/base-files/files/sbin/ifdown @@ -64,4 +64,8 @@ config_get iftype "$cfg" type # remove the interface's network state uci_revert_state network "$1" - +# revert aliases state as well +config_get aliases "$1" aliases +for config in $aliases; do + uci_revert_state network "$config" +done -- 2.30.2