#!/bin/bash get_ifbus() { local iface=$1 # Example: ../../../bus/pci (wanted: pci) # Example: ../../../../bus/pci (wanted: pci) # Example: ../../../../../../bus/usb (wanted: usb) local if_bus=$(readlink /sys/class/net/${iface}/device/subsystem) basename ${if_bus} } get_ifproduct() { local iface=$1 local bus=$(get_ifbus ${iface}) local if_pciaddr local if_devname local if_usbpath local if_usbmanufacturer local if_usbproduct if [[ ${bus} == "pci" ]] then # Example: ../../../devices/pci0000:00/0000:00:0a.0 (wanted: 0000:00:0a.0) # Example: ../../../devices/pci0000:00/0000:00:09.0/0000:01:07.0 (wanted: 0000:01:07.0) if_pciaddr=$(readlink /sys/class/net/${iface}/device) if_pciaddr=$(basename ${if_pciaddr}) # Example: 00:0a.0 Bridge: nVidia Corporation CK804 Ethernet Controller (rev a3) # (wanted: nVidia Corporation CK804 Ethernet Controller) if_devname=$(lspci -s ${if_pciaddr}) if_devname=${if_devname#*: } if_devname=${if_devname%(rev *)} fi if [[ ${bus} == "usb" ]] then if_usbpath=$(readlink /sys/class/net/${iface}/device) if_usbpath=/sys/class/net/${iface}/$(dirname ${if_usbpath}) if_usbmanufacturer=$(< ${if_usbpath}/manufacturer) if_usbproduct=$(< ${if_usbpath}/product) [[ -n ${if_usbmanufacturer} ]] && if_devname="${if_usbmanufacturer} " [[ -n ${if_usbproduct} ]] && if_devname="${if_devname}${if_usbproduct}" fi if [[ ${bus} == "ieee1394" ]] then if_devname="IEEE1394 (FireWire) Network Adapter"; fi echo ${if_devname} } get_ifdriver() { local iface=$1 # Example: ../../../bus/pci/drivers/forcedeth (wanted: forcedeth) local if_driver=$(readlink /sys/class/net/${iface}/device/driver) basename ${if_driver} } get_ifmac() { local iface=$1 # Example: 00:01:6f:e1:7a:06 cat /sys/class/net/${iface}/address } get_ifdesc() { local iface=$1 desc=$(get_ifproduct ${iface}) if [[ -n ${desc} ]] then echo $desc return; fi desc=$(get_ifdriver ${iface}) if [[ -n ${desc} ]] then echo $desc return; fi desc=$(get_ifmac ${iface}) if [[ -n ${desc} ]] then echo $desc return; fi echo "Unknown" } show_ifmenu() { local old_ifs="${IFS}" local opts IFS=" " for ifname in $(ifconfig -a | grep "^[^ ]"); do ifname="${ifname%% *}" [[ ${ifname} == "lo" ]] && continue opts="${opts} ${ifname} '$(get_ifdesc ${ifname})'" done IFS="${old_ifs}" if ! eval dialog --visit-items \ --menu "Please select the interface that you wish to configure from the list below:" 0 0 0 $opts 2>iface then exit fi iface=$(< iface) } show_ifconfirm() { local iface=$1 local if_mac=$(get_ifmac ${iface}) local if_driver=$(get_ifdriver ${iface}) local if_bus=$(get_ifbus ${iface}) local if_product=$(get_ifproduct ${iface}) local text="Details for network interface ${iface} are shown below.\n\nInterface name: ${iface}\n" [[ -n ${if_product} ]] && text="${text}Device: ${if_product}\n" [[ -n ${if_mac} ]] && text="${text}MAC address: ${if_mac}\n" [[ -n ${if_driver} ]] && text="${text}Driver: ${if_driver}\n" [[ -n ${if_bus} ]] && text="${text}Bus type: ${if_bus}\n" text="${text}\nIs this the interface that you wish to configure?" if ! dialog --visit-items --title "Interface details" --yesno \ "${text}" 15 70 then result="no" else result="yes" fi } config_wireless() { cd /tmp/setup.opts dialog --visit-items --title "SSID" \ --inputbox "Please enter your SSID, or leave blank for selecting the nearest open network" \ 20 50 2> ${iface}.SSID SSID=$(tail -n 1 ${iface}.SSID) if [ -n "${SSID}" ] then dialog --visit-items --title "WEP (Part 1)" \ --menu "Does your network use encryption?" \ 20 60 7 1 "Yes" 2 "No" 2> ${iface}.WEP WEP=$(tail -n 1 ${iface}.WEP) case ${WEP} in 1) dialog --visit-items --title "WEP (Part 2)" \ --menu "Are you entering your WEP key in HEX or ASCII?" \ 20 60 7 1 "HEX" 2 "ASCII" 2> ${iface}.WEPTYPE WEP_TYPE=$(tail -n 1 ${iface}.WEPTYPE) case ${WEP_TYPE} in 1) dialog --visit-items --title "WEP (Part 3)" \ --inputbox "Please enter your WEP key in the form of XXXX-XXXX-XX for 64-bit or XXXX-XXXX-XXXX-XXXX-XXXX-XXXX-XX for 128-bit" \ 20 50 2> ${iface}.WEPKEY WEP_KEY=$(tail -n 1 ${iface}.WEPKEY) if [ -n "${WEP_KEY}" ] then iwconfig ${iface} essid "${SSID}" iwconfig ${iface} key "${WEP_KEY}" fi ;; 2) dialog --visit-items --title "WEP (Part 3)" \ --inputbox "Please enter your WEP key in ASCII form. This should be 5 or 13 characters for either 64-bit or 128-bit encryption, respectively" \ 20 50 2> ${iface}.WEPKEY WEP_KEY=$(tail -n 1 ${iface}.WEPKEY) if [ -n "${WEP_KEY}" ] then iwconfig ${iface} essid "${SSID}" iwconfig ${iface} key "s:${WEP_KEY}" fi ;; esac ;; 2) iwconfig ${iface} essid "${SSID}" iwconfig ${iface} key off ;; esac fi } config_ip() { cd /tmp/setup.opts dialog --visit-items --title "TCP/IP setup" \ --menu "You can use DHCP to automatically configure a network interface or you can specify an IP and related settings manually. Choose one option:" \ 20 60 7 1 "Use DHCP to auto-detect my network settings" \ 2 "Specify an IP address manually" 2> ${iface}.DHCP DHCP=$(tail -n 1 ${iface}.DHCP) case ${DHCP} in 1) /sbin/dhcpcd -n -t 10 -h $(hostname) ${iface} & ;; 2) dialog --visit-items --title "TCP/IP setup" \ --menu "Do you want to use ifconfig (192.168.0.1 255.255.255.0) or iproute2 (192.168.0.1/24) syntax?. Choose one option:" \ 20 60 7 1 "Use ifconfig to configure the network" \ 2 "Use iproute2 to configure the network" 2> ${iface}.SYNTAX SYNTAX=$(tail -n 1 ${iface}.SYNTAX) case ${SYNTAX} in 1) dialog --visit-items --title "IP address" \ --inputbox "Please enter an IP address for ${iface}:" \ 20 50 "192.168.1.1" 2> ${iface}.IP IP=$(tail -n 1 ${iface}.IP) BC_TEMP=$(echo $IP|cut -d . -f 1).$(echo $IP|cut -d . -f 2).$(echo $IP|cut -d . -f 3).255 dialog --visit-items --title "Broadcast address" \ --inputbox "Please enter a Broadcast address for ${iface}:" \ 20 50 "${BC_TEMP}" 2> ${iface}.BC BROADCAST=$(tail -n 1 ${iface}.BC) dialog --visit-items --title "Network mask" \ --inputbox "Please enter a Network Mask for ${iface}:" \ 20 50 "255.255.255.0" 2> ${iface}.NM NETMASK=$(tail -n 1 ${iface}.NM) dialog --visit-items --title "Gateway" \ --inputbox "Please enter a Gateway for ${iface} (hit enter for none:)" \ 20 50 2> ${iface}.GW GATEWAY=$(tail -n 1 ${iface}.GW) ifconfig ${iface} ${IP} broadcast ${BROADCAST} netmask ${NETMASK} if [ -n "${GATEWAY}" ] then route add default gw ${GATEWAY} dev ${iface} netmask 0.0.0.0 metric 1 fi ;; 2) dialog --visit-items --title "IP address" \ --inputbox "Please enter an IP address for ${iface}:" \ 20 50 "192.168.1.1/24" 2> ${iface}.IP IP=$(tail -n 1 ${iface}.IP) dialog --visit-items --title "Gateway" \ --inputbox "Please enter a Gateway for ${iface} (hit enter for none:)" \ 20 50 2> ${iface}.GW GATEWAY=$(tail -n 1 ${iface}.GW) ip addr add ${IP} dev ${iface} if [ -n "${GATEWAY}" ] then ip route add default via ${GATEWAY} fi esac dialog --visit-items --title "DNS server"\ --inputbox "Please enter a name server to use (hit enter for none:)" \ 20 50 2> ${iface}.DNS DNS=$(tail -n 1 ${iface}.DNS) if [ -n "${DNS}" ] then dialog --visit-items --title "DNS Search Suffix" \ --inputbox "Please enter any domains which you would like to search on DNS queries (hit enter for none:)" \ 20 50 2> ${iface}.SUFFIX SUFFIX=$(tail -n 1 ${iface}.SUFFIX) echo "nameserver ${DNS}" > /etc/resolv.conf if [ -n "${SUFFIX}" ] then echo "search ${SUFFIX}" >> /etc/resolv.conf fi fi ;; esac } write_wireless_conf() { cd /tmp/setup.opts SSID=$(tail -n 1 ${iface}.SSID) if [ -n "${SSID}" ] then echo "" >> /etc/conf.d/net echo "# This wireless configuration file was built by net-setup" > /etc/conf.d/net WEP=$(tail -n 1 ${iface}.WEPTYPE) case ${WEP} in 1) WEP_TYPE=$(tail -n 1 ${iface}.WEPTYPE) if [ -n "${WEP_TYPE}" ] then WEP_KEY=$(tail -n 1 ${iface}.WEPKEY) if [ -n "${WEP_KEY}" ] then SSID_TRANS=$(echo ${SSID//[![:word:]]/_}) case ${WEP_TYPE} in 1) echo "key_${SSID_TRANS}=\"${WEP_KEY} enc open\"" >> /etc/conf.d/net ;; 2) echo "key_${SSID_TRANS}=\"s:${WEP_KEY} enc open\"" >> /etc/conf.d/net ;; esac fi fi ;; 2) : ;; esac echo "preferred_aps=\"${SSID}\"" >> /etc/conf.d/net echo "associate_order=\"forcepreferredonly\"" >> /etc/conf.d/net fi } write_net_conf() { cd /tmp/setup.opts echo "" > /etc/conf.d/net echo "# This network configuration was written by net-setup" > /etc/conf.d/net DHCP=$(tail -n 1 ${iface}.DHCP) case ${DHCP} in 1) echo "config_${iface}=\"dhcp\"" >> /etc/conf.d/net ;; 2) IP=$(tail -n 1 ${iface}.IP) BROADCAST=$(tail -n 1 ${iface}.BC) NETMASK=$(tail -n 1 ${iface}.NM) GATEWAY=$(tail -n 1 ${iface}.GW) if [ -n "${IP}" -a -n "${BROADCAST}" -a -n "${NETMASK}" ] then echo "config_${iface}=\"${IP} broadcast ${BROADCAST} netmask ${NETMASK}\"" >> /etc/conf.d/net if [ -n "${GATEWAY}" ] then echo "routes_${iface}=\"default via ${GATEWAY}\"" >> /etc/conf.d/net fi fi ;; esac } if [ ! -x $(which dialog) ] then echo "ERROR: The dialog utility is required for net-setup. Exiting!" exit 1 fi if [ "$(whoami)" != "root" ] then echo "ERROR: must be root to continue" exit 1 fi if [ -z "${1}" ] then show_ifmenu echo $iface else iface="${1}" fi [ ! -d /tmp/setup.opts ] && mkdir -p /tmp/setup.opts cd /tmp/setup.opts while true; do show_ifconfirm $iface [[ $result == "yes" ]] && break show_ifmenu done dialog --visit-items --title "Network setup" \ --menu "This script is designed to setup both wired and wireless network settings. All questions below apply to the ${iface} interface only. Choose one option:" \ 20 60 7 1 "My network is wireless" 2 "My network is wired" 2> ${iface}.WIRED_WIRELESS WIRED_WIRELESS=$(tail -n 1 ${iface}.WIRED_WIRELESS) case ${WIRED_WIRELESS} in 1) config_wireless config_ip write_wireless_conf ;; 2) config_ip ;; esac write_net_conf echo "Type \"ifconfig\" to make sure the interface was configured correctly." # vim: ts=4