0.5.1/doc/on-configure-network_source.html

#!/bin/sh

#

# Konfiguriere uebliche Opennet-Interfaces sowie ein lokales Interface.

#

# Dieses Skript wird nur ein einziges Mal nach einem Upgrade oder der Erstinstallation ausgefuehrt:

#   http://wiki.openwrt.org/doc/uci#defaults

#


. "${IPKG_INSTROOT:-}/usr/lib/opennet/on-helper.sh"


configure_local_network() {

    local uci_prefix=network.lan

    local flag_uci_key=on-core.settings.default_ip_configured

    prepare_on_uci_settings

    # das Netzwerk wurde bereits konfiguriert

    [ -n "$(uci_get "$flag_uci_key")" ] && return 0

    uci set "${uci_prefix}.ipaddr=$(get_on_core_default lan_ipaddr)"

    uci set "${uci_prefix}.netmask=$(get_on_core_default lan_netmask)"

    apply_changes network

    # diese Aktion soll nur ein einziges Mal stattfinden

    uci set "$flag_uci_key=1"

    uci commit on-core

}


configure_opennet_zone() {

    local uci_prefix=$(find_first_uci_section firewall zone "name=$ZONE_MESH")

    # Zone existiert? Keine Aenderungen ...

    [ -n "$uci_prefix" ] && return 0

    uci_prefix=firewall.$(uci add firewall zone)

    uci set "$uci_prefix=zone"

    uci set "$uci_prefix.name=$ZONE_MESH"

    # Opennet-APs bieten ueblicherweise keine privaten Dienste an

    uci set "$uci_prefix.input=ACCEPT"

    # ausgehende Pakete sind OK

    uci set "$uci_prefix.output=ACCEPT"

    # Verkehr aus dem opennet-Netz darf nicht in lokale oder tunnel-Netze

    uci set "$uci_prefix.forward=REJECT"

    # via "masq_src" ersetzen wir die ehemalige "/etc/firewall.opennet" fuer Quell-basiertes Masquerading

    add_zone_forward "$ZONE_LOCAL" "$ZONE_MESH"

    update_opennet_zone_masquerading

    # intra-Zone-Verkehr muss explizit erlaubt werden

    add_zone_forward "$ZONE_MESH" "$ZONE_MESH"

}


configure_olsr_radio() {

    trap "error_trap configure_olsr_radio '$*'" $GUARD_TRAPS

    local iface_index=$1

    local iface_logical=$2

    local iface_phys=$3


    local uci_wifi=wireless.@wifi-iface[$iface_index]

    local uci_radio=wireless.$(uci_get "${uci_wifi}.device")

    local radio_hwmode=$(uci_get "${uci_radio}.hwmode")

    local bssid=$(get_on_core_default wifi_bssid)


    uci set "${uci_wifi}.network=$iface_logical"

    uci set "${uci_wifi}.ifname=$iface_phys"


    uci set "wireless.radio${iface_index}.country=$(get_on_core_default wifi_country)"

    uci_delete "wireless.radio${iface_index}.disabled"


    # typ-spezifische Attribute

    if echo "$radio_hwmode" | grep -q "a"; then

        # 5 GHz: kein Mesh-Modus verfuegbar

        uci set "${uci_wifi}.ssid=$(get_on_core_default wifi_ssid_5ghz)"

        uci set "${uci_wifi}.mode=$(get_on_core_default wifi_mode_5ghz)"

        uci set "${uci_radio}.channel=$(get_on_core_default wifi_channel_5ghz)"

        uci set "${uci_wifi}.isolate=1"

    else

        # 2,4 GHz: Ad-hoc-Modus

        uci set "${uci_wifi}.ssid=$(get_on_core_default wifi_ssid)"

        uci set "${uci_wifi}.mode=$(get_on_core_default wifi_mode)"

        [ -n "$bssid" ] && uci set "${uci_wifi}.bssid=$bssid"

        uci set "${uci_radio}.channel=$(get_on_core_default wifi_channel)"

    fi

    return

}


configure_olsr_single_interface() {

    trap "error_trap configure_olsr_single_interface '$*'" $GUARD_TRAPS

    local iface_logical=$1

    local iface_addr=$2

    local iface_netmask=$3

    local iface_phys=$4


    # configure on_wifi

    uci set "network.${iface_logical}=interface"

    uci set "network.${iface_logical}.proto=static"

    uci set "network.${iface_logical}.ifname=$iface_phys"

    uci set "network.${iface_logical}.netmask=$iface_netmask"

    uci set "network.${iface_logical}.defaultroute=0"

    uci set "network.${iface_logical}.peerdns=0"

    uci set "network.${iface_logical}.ipaddr=$iface_addr"


    # disable dhcp on on_wifi

    uci set "dhcp.${iface_logical}=dhcp"

    uci set "dhcp.${iface_logical}.interface=${iface_logical}"

    uci set "dhcp.${iface_logical}.dynamicdhcp=0"

    uci set "dhcp.${iface_logical}.ignore=1"

}


configure_olsr_interfaces() {

    trap "error_trap configure_olsr_interfaces '$*'" $GUARD_TRAPS


    # diese Aktion ist bereits abgeschlossen

    uci show network | grep -q "^network\.on_eth_0\." && return 0


    local on_id=$(uci_get on-core.settings.on_id "$(get_on_core_default on_id_preset)")

    local on_ipschema=$(get_on_core_default on_ipschema)

    local on_netmask=$(get_on_core_default on_netmask)

    local on_ipaddr

    local iface_phys

    local iface_logical


    # Suche nach WLAN-Interfaces

    /sbin/wifi detect > /etc/config/wireless


    iface_index=0

    while [ -n "$(uci_get "wireless.@wifi-iface[${iface_index}]")" ]; do

        on_ipaddr=$(get_on_ip "$on_id" "$on_ipschema" "$iface_index")

        iface_phys=wlan$iface_index

        iface_logical=on_wifi_$iface_index


        configure_olsr_single_interface "$iface_logical" "$on_ipaddr" "$on_netmask" "$iface_phys"

        configure_olsr_radio "$iface_index" "$iface_logical" "$iface_phys"


        add_interface_to_zone "$ZONE_MESH" "$iface_logical"


        : $((iface_index++))

    done


    on_ipaddr=$(get_on_ip "$on_id" "$on_ipschema" "$iface_index")

    iface_phys=none

    iface_logical=on_eth_0

    configure_olsr_single_interface "$iface_logical" "$on_ipaddr" "$on_netmask" "$iface_phys"

    add_interface_to_zone "$ZONE_MESH" "$iface_logical"

}


# jede Funktion sollte selbst pruefen, ob ihre Aktion bereits abgeschlossen ist

configure_local_network

configure_opennet_zone

configure_olsr_interfaces


# schreibe alle ui-Anederungen

uci commit network

uci commit wireless

uci commit dhcp

uci commit firewall

# loese via procd alle erforderlichen Dienste-Reloads aus

# Fehler duerfen hier passieren

reload_config || true


exit 0