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Diffstat (limited to 'package/base-files/files/lib/network/config.sh')
| -rwxr-xr-x | package/base-files/files/lib/network/config.sh | 444 |
1 files changed, 0 insertions, 444 deletions
diff --git a/package/base-files/files/lib/network/config.sh b/package/base-files/files/lib/network/config.sh deleted file mode 100755 index 29d021af9..000000000 --- a/package/base-files/files/lib/network/config.sh +++ /dev/null @@ -1,444 +0,0 @@ -#!/bin/sh -# Copyright (C) 2006 OpenWrt.org - -# DEBUG="echo" - -do_sysctl() { - [ -n "$2" ] && \ - sysctl -n -e -w "$1=$2" >/dev/null || \ - sysctl -n -e "$1" -} - -map_sysctls() { - local cfg="$1" - local ifn="$2" - - local fam - for fam in ipv4 ipv6; do - if [ -d /proc/sys/net/$fam ]; then - local key - for key in /proc/sys/net/$fam/*/$ifn/*; do - local val - config_get val "$cfg" "${fam}_${key##*/}" - [ -n "$val" ] && echo -n "$val" > "$key" - done - fi - done -} - -find_config() { - local iftype device iface ifaces ifn - for ifn in $interfaces; do - config_get iftype "$ifn" type - config_get iface "$ifn" ifname - case "$iftype" in - bridge) config_get ifaces "$ifn" ifnames;; - esac - config_get device "$ifn" device - for ifc in $device $iface $ifaces; do - [ ."$ifc" = ."$1" ] && { - echo "$ifn" - return 0 - } - done - done - - return 1; -} - -scan_interfaces() { - local cfgfile="${1:-network}" - interfaces= - config_cb() { - case "$1" in - interface) - config_set "$2" auto 1 - ;; - esac - local iftype ifname device proto - config_get iftype "$CONFIG_SECTION" TYPE - case "$iftype" in - interface) - append interfaces "$CONFIG_SECTION" - config_get proto "$CONFIG_SECTION" proto - config_get iftype "$CONFIG_SECTION" type - config_get ifname "$CONFIG_SECTION" ifname - config_get device "$CONFIG_SECTION" device "$ifname" - config_set "$CONFIG_SECTION" device "$device" - case "$iftype" in - bridge) - config_set "$CONFIG_SECTION" ifnames "$device" - config_set "$CONFIG_SECTION" ifname br-"$CONFIG_SECTION" - ;; - esac - ( type "scan_$proto" ) >/dev/null 2>/dev/null && eval "scan_$proto '$CONFIG_SECTION'" - ;; - esac - } - config_load "${cfgfile}" -} - -add_vlan() { - local vif="${1%\.*}" - - [ "$1" = "$vif" ] || ifconfig "$1" >/dev/null 2>/dev/null || { - ifconfig "$vif" up 2>/dev/null >/dev/null || add_vlan "$vif" - $DEBUG vconfig add "$vif" "${1##*\.}" - return 0 - } - return 1 -} - -# add dns entries if they are not in resolv.conf yet -add_dns() { - local cfg="$1"; shift - - remove_dns "$cfg" - - # We may be called by pppd's ip-up which has a nonstandard umask set. - # Create an empty file here and force its permission to 0644, otherwise - # dnsmasq will not be able to re-read the resolv.conf.auto . - [ ! -f /tmp/resolv.conf.auto ] && { - touch /tmp/resolv.conf.auto - chmod 0644 /tmp/resolv.conf.auto - } - - local dns - local add - for dns in "$@"; do - grep -qsE "^nameserver ${dns//./\\.}$" /tmp/resolv.conf.auto || { - add="${add:+$add }$dns" - echo "nameserver $dns" >> /tmp/resolv.conf.auto - } - done - - [ -n "$cfg" ] && { - uci_toggle_state network "$cfg" dns "$add" - uci_toggle_state network "$cfg" resolv_dns "$add" - } -} - -# remove dns entries of the given iface -remove_dns() { - local cfg="$1" - - [ -n "$cfg" ] && { - [ -f /tmp/resolv.conf.auto ] && { - local dns=$(uci_get_state network "$cfg" resolv_dns) - for dns in $dns; do - sed -i -e "/^nameserver ${dns//./\\.}$/d" /tmp/resolv.conf.auto - done - } - - uci_revert_state network "$cfg" dns - uci_revert_state network "$cfg" resolv_dns - } -} - -# sort the device list, drop duplicates -sort_list() { - local arg="$*" - ( - for item in $arg; do - echo "$item" - done - ) | sort -u -} - -# 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 macaddr="$3" - - # if we're called for the bridge interface itself, don't bother trying - # to create any interfaces here. The scripts have already done that, otherwise - # the bridge interface wouldn't exist. - [ "br-$config" = "$iface" -o -e "$iface" ] && return 0; - - ifconfig "$iface" 2>/dev/null >/dev/null && { - local proto - config_get proto "$config" proto - - # make sure the interface is removed from any existing bridge and deconfigured, - # (deconfigured only if the interface is not set to proto=none) - unbridge "$iface" - - local mtu macaddr txqueuelen - config_get mtu "$config" mtu - [ -n "$macaddr" ] || config_get macaddr "$config" macaddr - config_get txqueuelen "$config" txqueuelen - [ -n "$macaddr" ] && $DEBUG ifconfig "$iface" down - $DEBUG ifconfig "$iface" ${macaddr:+hw ether "$macaddr"} ${mtu:+mtu $mtu} ${txqueuelen:+txqueuelen $txqueuelen} up - - [ "$proto" = none ] || ifconfig "$iface" 0.0.0.0 - - # Apply sysctl settings - map_sysctls "$config" "$iface" - } - - # Setup VLAN interfaces - add_vlan "$iface" && return 1 - ifconfig "$iface" 2>/dev/null >/dev/null || return 0 - - # Setup bridging - local iftype - config_get iftype "$config" type - case "$iftype" in - bridge) - local macaddr - config_get macaddr "$config" macaddr - [ -x /usr/sbin/brctl ] && { - ifconfig "br-$config" 2>/dev/null >/dev/null && { - local newdevs devices - config_get devices "$config" device - for dev in $(sort_list "$devices" "$iface"); do - append newdevs "$dev" - done - uci_toggle_state network "$config" device "$newdevs" - $DEBUG ifconfig "$iface" 0.0.0.0 - $DEBUG do_sysctl "net.ipv6.conf.$iface.disable_ipv6" 1 - $DEBUG brctl addif "br-$config" "$iface" - # Bridge existed already. No further processing necesary - } || { - local stp igmp_snooping - config_get_bool stp "$config" stp 0 - config_get_bool igmp_snooping "$config" igmp_snooping 1 - $DEBUG brctl addbr "br-$config" - $DEBUG brctl setfd "br-$config" 0 - $DEBUG ifconfig "$iface" 0.0.0.0 - $DEBUG do_sysctl "net.ipv6.conf.$iface.disable_ipv6" 1 - $DEBUG brctl addif "br-$config" "$iface" - $DEBUG brctl stp "br-$config" $stp - [ -z "$macaddr" ] && macaddr="$(cat /sys/class/net/$iface/address)" - echo $igmp_snooping > /sys/devices/virtual/net/br-$config/bridge/multicast_snooping 2>/dev/null - $DEBUG ifconfig "br-$config" hw ether $macaddr up - # Creating the bridge here will have triggered a hotplug event, which will - # result in another setup_interface() call, so we simply stop processing - # the current event at this point. - } - ifconfig "$iface" ${macaddr:+hw ether "${macaddr}"} up 2>/dev/null >/dev/null - return 1 - } - ;; - esac - return 0 -} - -set_interface_ifname() { - local config="$1" - local ifname="$2" - - local device - config_get device "$1" device - uci_toggle_state network "$config" ifname "$ifname" - uci_toggle_state network "$config" device "$device" -} - -setup_interface_none() { - env -i ACTION="ifup" INTERFACE="$2" DEVICE="$1" PROTO=none /sbin/hotplug-call "iface" & -} - -setup_interface_static() { - local iface="$1" - local config="$2" - - local ipaddr netmask ip6addr - config_get ipaddr "$config" ipaddr - config_get netmask "$config" netmask - config_get ip6addr "$config" ip6addr - [ -z "$ipaddr" -o -z "$netmask" ] && [ -z "$ip6addr" ] && return 1 - - local gateway ip6gw dns bcast metric - config_get gateway "$config" gateway - config_get ip6gw "$config" ip6gw - config_get dns "$config" dns - config_get bcast "$config" broadcast - config_get metric "$config" metric - - case "$ip6addr" in - */*) ;; - *:*) ip6addr="$ip6addr/64" ;; - esac - - [ -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" ${metric:+metric $metric} dev "$iface" - [ -z "$ip6gw" ] || $DEBUG route -A inet6 add default gw "$ip6gw" ${metric:+metric $metric} dev "${iface%:*}" - [ -z "$dns" ] || add_dns "$config" $dns - - config_get type "$config" TYPE - [ "$type" = "alias" ] && return 0 - - env -i ACTION="ifup" INTERFACE="$config" DEVICE="$iface" PROTO=static /sbin/hotplug-call "iface" & -} - -setup_interface_alias() { - local config="$1" - local parent="$2" - local iface="$3" - - local cfg - config_get cfg "$config" interface - [ "$parent" == "$cfg" ] || return 0 - - # parent device and ifname - local p_device p_type - config_get p_device "$cfg" device - config_get p_type "$cfg" type - - # select alias ifname - local layer use_iface - config_get layer "$config" layer 2 - case "$layer:$p_type" in - # layer 3: e.g. pppoe-wan or pptp-vpn - 3:*) use_iface="$iface" ;; - - # layer 2 and parent is bridge: e.g. br-wan - 2:bridge) use_iface="br-$cfg" ;; - - # layer 1: e.g. eth0 or ath0 - *) use_iface="$p_device" ;; - esac - - # alias counter - local ctr - config_get ctr "$parent" alias_count 0 - ctr="$(($ctr + 1))" - config_set "$parent" alias_count "$ctr" - - # alias list - local list - config_get list "$parent" aliases - append list "$config" - config_set "$parent" aliases "$list" - - use_iface="$use_iface:$ctr" - set_interface_ifname "$config" "$use_iface" - - local proto - config_get proto "$config" proto "static" - case "${proto}" in - static) - setup_interface_static "$use_iface" "$config" - ;; - *) - echo "Unsupported type '$proto' for alias config '$config'" - return 1 - ;; - esac -} - -setup_interface() { - local iface="$1" - local config="$2" - local proto="$3" - local vifmac="$4" - - [ -n "$config" ] || { - config=$(find_config "$iface") - [ "$?" = 0 ] || return 1 - } - - prepare_interface "$iface" "$config" "$vifmac" || 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 "$iface" up - sleep 1 - } - - # Interface settings - set_interface_ifname "$config" "$iface" - - [ -n "$proto" ] || config_get proto "$config" proto - case "$proto" in - static) - setup_interface_static "$iface" "$config" - ;; - dhcp) - # kill running udhcpc instance - local pidfile="/var/run/dhcp-${iface}.pid" - service_kill udhcpc "$pidfile" - - local ipaddr netmask hostname proto1 clientid vendorid broadcast reqopts - config_get ipaddr "$config" ipaddr - config_get netmask "$config" netmask - config_get hostname "$config" hostname - config_get proto1 "$config" proto - config_get clientid "$config" clientid - config_get vendorid "$config" vendorid - config_get_bool broadcast "$config" broadcast 0 - config_get reqopts "$config" reqopts - - [ -z "$ipaddr" ] || \ - $DEBUG ifconfig "$iface" "$ipaddr" ${netmask:+netmask "$netmask"} - - # additional request options - local opt dhcpopts - for opt in $reqopts; do - append dhcpopts "-O $opt" - done - - # don't stay running in background if dhcp is not the main proto on the interface (e.g. when using pptp) - [ "$proto1" != "$proto" ] && append dhcpopts "-n -q" || append dhcpopts "-O rootpath -R &" - [ "$broadcast" = 1 ] && broadcast="-O broadcast" || broadcast= - - $DEBUG eval udhcpc -t 0 -i "$iface" \ - ${ipaddr:+-r $ipaddr} \ - ${hostname:+-H $hostname} \ - ${clientid:+-c $clientid} \ - ${vendorid:+-V $vendorid} \ - -b -p "$pidfile" $broadcast \ - ${dhcpopts} - ;; - none) - setup_interface_none "$iface" "$config" - ;; - *) - if ( eval "type setup_interface_$proto" ) >/dev/null 2>/dev/null; then - eval "setup_interface_$proto '$iface' '$config' '$proto'" - else - echo "Interface type $proto not supported." - return 1 - fi - ;; - esac -} - -stop_interface_dhcp() { - local config="$1" - - local ifname - config_get ifname "$config" ifname - - local lock="/var/lock/dhcp-${ifname}" - [ -f "$lock" ] && lock -u "$lock" - - remove_dns "$config" - - local pidfile="/var/run/dhcp-${ifname}.pid" - service_kill udhcpc "$pidfile" - - uci -P /var/state revert "network.$config" -} - -unbridge() { - local dev="$1" - local brdev - - [ -x /usr/sbin/brctl ] || return 0 - brctl show 2>/dev/null | grep "$dev" >/dev/null && { - # interface is still part of a bridge, correct that - - for brdev in $(brctl show | awk '$2 ~ /^[0-9].*\./ { print $1 }'); do - brctl delif "$brdev" "$dev" 2>/dev/null >/dev/null - do_sysctl "net.ipv6.conf.$dev.disable_ipv6" 0 - done - } -} |