From 796b4194aac0e192f8ca1f2fd563c8b08e09f847 Mon Sep 17 00:00:00 2001 From: KatolaZ Date: Sun, 1 Jan 2017 12:56:31 +0000 Subject: Towards a posix-compliant version --- setnet.dash | 1210 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ setnet.sh | 7 +- 2 files changed, 1214 insertions(+), 3 deletions(-) create mode 100755 setnet.dash diff --git a/setnet.dash b/setnet.dash new file mode 100755 index 0000000..7586f25 --- /dev/null +++ b/setnet.dash @@ -0,0 +1,1210 @@ +#!/bin/sh + +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or (at +# your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . +# +# ---------------------------------------------------------------------- +# +# setnet.sh -- view and configure network interfaces +# +# ---------------------------------------------------------------------- +# +# (c) KatolaZ (katolaz@freaknet.org) -- 2016/12/26 +# +# + + +## +## Initialisation +## + +VERSION=0.1 + +DIALOGRC=~/.dialogrc + + +# THESHELL=$(head -1 $0 | cut -d "!" -f 2 | cut -d " " -f 1 ) +# THESHELL=$(basename $(realpath ${THESHELL})) + + +# if [ ${THESHELL} = "sh" ] || [ ${THESHELL} = "dash" ]; then +# DIALOG="dialog" +# else +# TOPSTR="setnet-0.1 [user: $(id -run)]" +# DIALOG="dialog --backtitle \"${TOPSTR}\" " +# fi + + +TOPSTR="setnet-0.1 [user: $(id -run)]" +DIALOG="dialog --backtitle \"${TOPSTR}\" " + + +TMPFILE=$( (tempfile) 2>/dev/null) || TMPFILE=/tmp/setnet_$$ +WPA_PIDFILE=$( (tempfile) 2>/dev/null) || WPA_PIDFILE=/tmp/setnet_wpapid_$$ + +WINDOW_WIDTH=75 +WINDOW_HEIGHT=20 + +INFO_WIDTH=40 +INFO_HEIGHT=10 + +FORM_WIDTH=60 +FORM_HEIGHT=12 + +NET_FAMILIES="inet inet6" + +## +## Load setnetrc +## + +##function +load_setnetrc(){ + + WPA_FILE="" + LOGFILE="" + ## If we were given a parameter, is the rc file to load... + ## + if [ $# -ge 1 ]; then + . "$1" + return + fi + + ## + ## Otherwise, let's look in the standard locations, namely: + ## + + ## + ## 1) /etc/setnetrc + ## + + if [ -f /etc/setnetrc ]; then + SETNETRC=/etc/setnetrc + fi + + ## + ## 2) ~/.setnetrc + ## + + if [ -f ~/.setnetrc ]; then + SETNETRC=~/.setnetrc + fi + + . ${SETNETRC} + + if [ -z ${WPA_FILE} ]; then + echo "Could not find WPA_FILE defined anywhere. Exiting" + exit 1 + fi + + if [ -z ${LOGFILE} ]; then + echo "Could not find LOGFILE defined anywhere. Exiting" + exit 1 + fi +} + + +##function +cleanup(){ + rm -f ${TMPFILE} + rm -f ${WPA_PIDFILE} +} + + +################### +# # +# LOGGING # +# # +################### + +## +## log() takes two arguments, namely the label and the message +## +## +##function +log(){ + + ##local + LABEL=$1 + ##local + MSG=$2 + + # if [ "${LABEL}" = "_self" ]; then + # if [ -n "${FUNCNAME}" ]; then + # LABEL=${FUNCNAME[1]} + # else + # LABEL="$0 - ${LINENO}" + # fi + # fi + echo "$0: ${LABEL}:" "${MSG}" >> "${LOGFILE}" + +} + +########################################## + +##function +edit_file(){ + + ##local + FILEIN=$1 + log "edit_file" "editing file ${FILEIN}" + eval "${DIALOG} --title 'Editing file: ${FILEIN}' \ + --editbox ${FILEIN} ${WINDOW_HEIGHT} ${WINDOW_WIDTH}" 2> ${TMPFILE} + + if [ $? -eq 0 ]; then + log "edit_file" "Copying ${TMPFILE} into ${FILEIN}" + if cp "${TMPFILE}" "${FILEIN}" + then + eval "${DIALOG} --clear --msgbox 'File ${FILEIN} saved successfully' \ + ${INFO_HEIGHT} ${INFO_WIDTH}" + else + eval "${DIALOG} --clear --msgbox 'Error saving file ${FILEIN}' \ + ${INFO_HEIGHT} ${INFO_WIDTH}" + fi + else + log "edit_file" "Editing of ${FILEIN} aborted..." + eval "${DIALOG} --clear --msgbox 'File ${FILEIN} not saved' \ + ${INFO_HEIGHT} ${INFO_WIDTH}" + fi +} + + + + +## +## Read all the configured addresses for a given inet family +## +##function +get_addr_family(){ + +##local +DEVNAME=$1 +##local +DEVFAMILY=$2 + + NUMADDR=$(ip -f "${DEVFAMILY}" addr show "${DEVNAME}" | grep "${DEVFAMILY}" | wc -l) + ADDR_STR="" + for i in $(seq ${NUMADDR}); do + ADDR=$(ip -f "${DEVFAMILY}" addr show "${DEVNAME}" | grep "${DEVFAMILY}" | \ + tail -n +$i | head -1 | sed -r -e "s:^\ +::g" | cut -d " " -f 2,4,6 |\ + sed -r -e "s:\ : -- :g") + ADDR_STR="${ADDR_STR}\n${DEVFAMILY}: ${ADDR}\n" + done +} + +## +## Show the current configuration of a given device +## + +##function +show_device_conf(){ + +##local +DEVNAME=$1 + if [ -z "${DEVNAME}" ]; then + return -1 + fi + + DEVMAC=$(ip link show "${DEVNAME}" | tail -n +2 | sed -r 's/^\ +//g' | cut -d " " -f 2) + DEVCONF="MAC: ${DEVMAC}\n" + + log "show_device_conf" "NET_FAMILIES: \"${NET_FAMILIES}\"" + + for f in ${NET_FAMILIES}; do + get_addr_family ${DEVNAME} ${f} + log "show_device_conf" "family: ${f} ADDR_STR: \"${ADDR_STR}\"" + + if [ -z "${ADDR_STR}" ]; then + DEVCONF="${DEVCONF}${f}: Unconfigured\n" + else + DEVCONF="${DEVCONF}${ADDR_STR}" + fi + log "show_device_conf" "DEVCONF: ${DEVCONF}" + done + + DEVCONF="${DEVCONF}\n== name servers ==\n$(grep '^nameserver' /etc/resolv.conf)" + + eval "${DIALOG} --clear --title 'Current configuration of device: ${DEVNAME}' \ + --msgbox '\n\n${DEVCONF}' ${WINDOW_HEIGHT} ${WINDOW_WIDTH} " + return 0 + +} + + + +##function +config_ethernet_static(){ + +##local +DEV_IP="192.168.1.2" +##local +DEV_NET="192.168.1.0" +##local +DEV_NETMASK="255.255.255.0" +##local +DEV_GW="192.168.1.1" +##local +DEV_DNS1="208.67.222.222" +##local +DEV_DNS2="208.67.220.220" + +##local +DEVNAME=$1 + + exec 3>&1 + eval "${DIALOG} --clear --form 'Set network for device: ${DEVNAME}'" \ + ${FORM_HEIGHT} ${FORM_WIDTH} 0 \ + "IP" 1 1 "${DEV_IP}" 1 16 16 16 \ + "Network" 2 1 "${DEV_NET}" 2 16 16 16 \ + "Netmask" 3 1 "${DEV_NETMASK}" 3 16 16 16 \ + "Gateway" 4 1 "${DEV_GW}" 4 16 16 16 \ + "Primary DNS" 5 1 "${DEV_DNS1}" 5 16 16 16 \ + "Secondary DNS" 6 1 "${DEV_DNS2}" 6 16 16 16 2> ${TMPFILE} + + if [ $? -eq 1 ]; then + eval "${DIALOG} --infobox 'Configuration of ${DEVNAME} aborted' \ + ${INFO_HEIGHT} ${INFO_WIDTH}" + return + fi + + read -d "*" DEV_IP DEV_NET DEV_NETMASK DEV_GW DEV_DNS1 DEV_DNS2 < ${TMPFILE} + eval "${DIALOG} --msgbox 'Proposed configuration of ${DEVNAME}:\n ${DEV_IP}\n${DEV_NET}\n${DEV_NETMASK}\n${DEV_GW}\n${DEV_DNS1}\n${DEV_DNS2}'\ + ${WINDOW_HEIGHT} ${WINDOW_WIDTH}" + + ## Configure IP + + ip link set "${DEVNAME}" down + ip link set "${DEVNAME}" up + ip address flush dev "${DEVNAME}" + ip address add "${DEV_IP}/${DEV_NETMASK}" dev "${DEVNAME}" + + ## Configure GW + ip route flush dev "${DEVNAME}" + ip route add "${DEV_NET}/${DEV_NETMASK}" dev "${DEVNAME}" + ip route add default via "${DEV_GW}" + + ## Configure DNS + mv /etc/resolv.conf /etc/resolv.conf.bak + if [ -n "${DEV_DNS1}" ]; then + echo "nameserver ${DEV_DNS1}" >> /etc/resolv.conf + fi + if [ -n "${DEV_DNS2}" ]; then + echo "nameserver ${DEV_DNS2}" >> /etc/resolv.conf + fi + show_device_conf "${DEVNAME}" +} + +##function +config_ethernet_dhcp(){ + +##local +DEVNAME=$1 + + eval "${DIALOG} --infobox 'Running \"dhclient ${DEVNAME}\"' ${INFO_HEIGHT} ${INFO_WIDTH}" + dhclient -r ${DEVNAME} + dhclient ${DEVNAME} + show_device_conf ${DEVNAME} +} + + +##function +config_ethernet(){ + +##local + DEVNAME=$1 + + while true; do + eval "${DIALOG} --clear --cancel-label 'Up' \ + --menu 'Configuring ${DEVNAME}' ${INFO_HEIGHT} ${INFO_WIDTH} 4 \ + 'DHCP' ''\ + 'Static' ''" 2>${TMPFILE} + if [ $? -eq 1 ]; then + return + fi + ACTION=$(cat ${TMPFILE}) + case ${ACTION} in + "Static") + config_ethernet_static ${DEVNAME} + ;; + "DHCP") + config_ethernet_dhcp ${DEVNAME} + ;; + esac + done + +} + +##function +wifi_essid_from_mac(){ + + ##local + DEVNAME=$1 + ##local + W_MAC=$2 + + W_ESSID=$(wpa_cli -i "${DEVNAME}" scan_results | grep -E "^${W_MAC}" | \ + sed -r -e 's/\t/\|/g' | cut -d "|" -f 5) + + log "wifi_essid_from_mac" "Recovered ESSID: ${W_ESSID}" +} + +##function +wifi_flags_from_mac(){ +##local + DEVNAME=$1 +##local + W_MAC=$2 + + W_FLAGS=$(wpa_cli -i "${DEVNAME}" scan_results | grep -E "^${W_MAC}" | \ + sed -r -e 's/\t/\|/g' | cut -d "|" -f 4) + log "wifi_essid_from_mac" "Recovered W_FLAGS: ${W_FLAGS}" + +} + + +##function +wifi_network_list(){ + +##local + DEVNAME=$1 + wpa_cli -i ${DEVNAME} list_networks | tail -n +2 | sed -r -e 's/\t/\|/g' > ${TMPFILE} + + NETLIST="" + LAST_IFS=$IFS + IFS="|" + while read NETNUM NETESSID NETBSSID NETFLAGS; do + IS_DIS=$(echo ${NETFLAGS} | sed -r -e 's/\[//g;s/\]//g' | grep -i disabled | wc -l) + if [ ${IS_DIS} -eq 1 ]; then + STATUS="(DIS)" + else + STATUS="(ENAB)" + fi + IS_CUR=$(echo ${NETFLAGS} | sed -r -e 's/\[//g;s/\]//g' | grep -i current | wc -l) + if [ ${IS_CUR} -eq 1 ]; then + STATUS="${STATUS}(CUR)" + fi + + + NETLIST="${NETLIST} ${NETNUM} \"${NETESSID}-${STATUS}\"" + done < ${TMPFILE} + IFS=${LAST_IFS} + + log "wifi_network_list" "NETLIST: ${NETLIST}" +} + + +## +## Manage the authentication for a given wifi ESSID +## +##function +wifi_authenticate(){ + +##local + DEVNAME=$1 +##local + W_MAC=$2 + + + log "wifi_authenticate" "configuring ${DEVNAME} on ${W_MAC}" + ## This will set the variable W_ESSID appropriately + wifi_essid_from_mac ${DEVNAME} ${W_MAC} + + ## This will set the variable W_FLAGS appropriately + wifi_flags_from_mac ${DEVNAME} ${W_MAC} + + + log "wifi_authenticate" "configuring essid: ${W_ESSID} on device: ${DEVNAME}" + log "wifi_authenticate" "W_FLAGS: ${W_FLAGS}" + + + NET_EXISTS=$(wpa_cli -i ${DEVNAME} list_networks | tail -n +2 | sed -r -e 's/\t/\|/g' \ + | cut -d "|" -f 2 | grep "${W_ESSID}$" | wc -l) + if [ ${NET_EXISTS} != 0 ]; then + NET_NUM=$(wpa_cli -i ${DEVNAME} list_networks | tail -n +2 | sed -r -e 's/\t/\|/g' \ + | cut -d "|" -f 1,2 | grep "${W_ESSID}$" | cut -d "|" -f 1) + wpa_cli -i ${DEVNAME} remove_network ${NET_NUM} > ${TMPFILE} + STATUS=$(cat ${TMPFILE}) + if [ "${STATUS}" != "OK" ]; then + eval "${DIALOG} --msgbox 'Error while removing existing network:\n$essid: {W_ESSID}'" + ${INFO_HEIGHT} ${INFO_WIDTH} + return + fi + fi + + HAS_WPA=$(echo "${W_FLAGS}" | grep -E "WPA.*-PSK" | wc -l) + + log "wifi_authenticate" "HAS_WPA: \"${HAS_WPA}\"" + + ### This section will configure WPA-PSK or WPA2-PSK + if [ "${HAS_WPA}" != "0" ]; then + PSK="" + PSK_LENGTH=${#PSK} + while [ ${PSK_LENGTH} -le 7 ]; do + eval "${DIALOG} --insecure --inputbox 'Please insert WPA PSK\n(8 characters)' \ + ${INFO_HEIGHT} ${INFO_WIDTH}" 2> ${TMPFILE} + if [ $? -eq 1 ]; then + eval "${DIALOG} --clear --msgbox 'Network configuration aborted!!!' \ + ${INFO_HEIGHT} ${INFO_WIDTH}" + return 1 + fi + PSK=$(cat ${TMPFILE}) + PSK_LENGTH=${#PSK} + done + + + NET_NUM=$(wpa_cli -i ${DEVNAME} add_network | tail -1) + + wpa_cli -i ${DEVNAME} set_network ${NET_NUM} ssid "\"${W_ESSID}\"" + wpa_cli -i ${DEVNAME} set_network ${NET_NUM} psk \"${PSK}\" + ## remove the password from tmpfile + echo "" > ${TMPFILE} + eval "${DIALOG} --clear --defaultno --yesno \ + 'Network \"${W_ESSID}\" added\nSave configuration file?' \ + ${INFO_HEIGHT} ${INFO_WIDTH} " 2> ${TMPFILE} + if [ $? -eq 0 ]; then + ## Save the config file + wifi_save_file ${DEVNAME} + fi + + eval "${DIALOG} --msgbox 'Network added successfully' ${INFO_HEIGHT} ${INFO_WIDTH}" + return 0 + fi + + HAS_ESS=$(echo "${W_FLAGS}" | grep -E "ESS" | wc -l) + + log "wifi_authenticate" "HAS_ESS: \"${HAS_ESS}\"" + + if [ "${HAS_ESS}" != "0" ]; then + NET_NUM=$(wpa_cli -i ${DEVNAME} add_network | tail -1) + + log "wifi_authenticate" "NET_NUM: ${NET_NUM}" + wpa_cli -i ${DEVNAME} set_network ${NET_NUM} ssid "\"${W_ESSID}\"" + wpa_cli -i ${DEVNAME} set_network ${NET_NUM} key_mgmt NONE + eval "${DIALOG} --clear --defaultno --yesno \ + 'Network \"${W_ESSID}\" added\nSave configuration file?' \ + ${INFO_HEIGHT} ${INFO_WIDTH} " 2> ${TMPFILE} + if [ $? -eq 0 ]; then + ## Save the config file + wifi_save_file ${DEVNAME} + fi + + return 0 + else + eval " ${DIALOG} --msgbox 'Error occurred!!!!' ${INFO_HEIGHT} ${INFO_WIDTH}" + return 0 + fi + + ## No available authentication methods.... + + eval "${DIALOG} --msgbox 'No supported authentication method for ${W_ESSID}'" + return 1 +} + + + + +## +## Configure a new connection from a list of available wi-fi networks +## + +##function +wifi_add(){ + +##local +DEVNAME=$1 + + wpa_cli -i ${DEVNAME} scan + eval "${DIALOG} --timeout 4 --msgbox 'Scanning for networks...' \ + ${INFO_HEIGHT} ${INFO_WIDTH}" + wpa_cli -i ${DEVNAME} scan_results | grep -E "^[0-9a-f][0-9a-f]:" | \ + sed -r -e 's/\t/|/g' |\ + sort -t "|" -r -n -k 3 > ${TMPFILE} + + wifinets="" + LAST_IFS=$IFS + IFS="|" + while read W_MAC W_FREQ W_STRNGT W_FLAGS W_ESSID; do + + log "wifi_add" "W_ESSID: \"${W_ESSID}\"" + wifinets="${wifinets} ${W_MAC} \"${W_ESSID} -- ${W_FLAGS}\"" + done < ${TMPFILE} + IFS=${LAST_IFS} + + + log "wifi_add" "Wifi nets: \n${wifinets}\n===" + eval "dialog --menu 'Select a network' ${WINDOW_HEIGHT} ${WINDOW_WIDTH} 10 \ + ${wifinets} " 2> ${TMPFILE} + if [ $? -eq 1 ]; then + return + fi + + W_MAC=$(cat ${TMPFILE}) + + + wifi_authenticate ${DEVNAME} ${W_MAC} + if [ $? != "0" ]; then + eval "${DIALOG} --msgbox 'Error while configuring ${DEVNAME}' " + fi + return $? +} + + +##function +wifi_save_file(){ + +##local +DEVNAME=$1 + + wpa_cli -i ${DEVNAME} save_config | tail -1 > ${TMPFILE} + SAVE_STATUS=$(cat ${TMPFILE}) + if [ "${SAVE_STATUS}" = "OK" ]; then + eval "${DIALOG} --msgbox 'Current configuration dumped to file ${WPA_FILE}' \ + ${INFO_HEIGHT} ${INFO_WIDTH}" + else + eval "${DIALOG} --msgbox 'Error while saving configuration to file ${WPA_FILE}' \ + ${INFO_HEIGHT} ${INFO_WIDTH}" + fi +} + +##function +wifi_remove(){ + +##local + DEVNAME=$1 + + wifi_network_list ${DEVNAME} + + eval "${DIALOG} --menu 'Select network to remove' \ + ${WINDOW_HEIGHT} ${WINDOW_WIDTH} 10 ${NETLIST}" \ + 2> ${TMPFILE} + + if [ $? -eq 0 ]; then + ## a network has been selected + NETNUM=$(cat ${TMPFILE}) + WPA_STATUS=$(wpa_cli -i ${DEVNAME} remove_network ${NETNUM} | tail -1 ) + if [ "${WPA_STATUS}" = "OK" ]; then + eval "${DIALOG} --clear --defaultno --yesno \ + 'Network ${NETNUM} removed\nSave configuration file?' \ + ${INFO_HEIGHT} ${INFO_WIDTH}" 2> ${TMPFILE} + if [ $? -eq 0 ]; then + ## Save the config file + wifi_save_file ${DEVNAME} + fi + + return + else + eval "${DIALOG} --clear --msgbox 'Network ${NETNUM} NOT removed' \ + ${INFO_HEIGHT} ${INFO_WIDTH}" + return + fi + else + eval "${DIALOG} --clear --msgbox 'No network removed!!!' \ + ${INFO_HEIGHT} ${INFO_WIDTH}" + return + fi + +} + + +##function +wifi_restart_wpa(){ + +##local + DEVNAME=$1 +##local + WPA_FILE=$2 + + WPA_PID=$(ps ax | grep wpa_supplicant | grep " -i ${DEVNAME}" | +sed -r -e 's/^\ +//g' | cut -d " " -f 1) + + log "wifi_restart_wpa" "WPA_PID: ${WPA_PID}" + kill -9 ${WPA_PID} + + if [ $(($?)) -gt 0 ]; then + eval "${DIALOG} --clear --msgbox 'Error killing wpa_supplicant' \ + ${INFO_HEIGHT} ${INFO_WIDTH}" + fi + + wpa_supplicant -B -i ${DEVNAME} -c ${WPA_FILE} -P${WPA_PIDFILE} + WPA_PID=$(ps ax | grep wpa_supplicant | grep " -i ${DEVNAME}" | cut -d " " -f 1 ) + WPA_PID_SAVED=$(cat ${WPA_PIDFILE}) + if [ -n "${WPA_PID}" ] || [ "${WPA_PID}" != "${WPA_PID_SAVED}" ]; then + eval "${DIALOG} --clear --msgbox 'Error restarting wpa_supplicant' \ + ${INFO_HEIGHT} ${INFO_WIDTH}" + else + eval "${DIALOG} --clear --msgbox 'wpa_supplicant restarted successfully' \ + ${INFO_HEIGHT} ${INFO_WIDTH}" + fi + +} + + + +## +## wifi_enable: show the list of configured networks, and enable the +## one the used has clicked on +## + +##function +wifi_enable(){ + +##local + DEVNAME=$1 + + wifi_network_list ${DEVNAME} + + eval "${DIALOG} --menu 'Select configured network' \ + ${WINDOW_HEIGHT} ${WINDOW_WIDTH} 10 ${NETLIST}" \ + 2> ${TMPFILE} + + if [ $? -eq 0 ]; then + ## a network has been selected + NETNUM=$(cat ${TMPFILE}) + WPA_STATUS=$(wpa_cli -i ${DEVNAME} enable ${NETNUM} | tail -1 ) + if [ "${WPA_STATUS}" = "OK" ]; then + eval "${DIALOG} --clear --msgbox 'Network ${NETNUM} enabled' \ + ${INFO_HEIGHT} ${INFO_WIDTH}" + config_ethernet ${DEVNAME} + return + else + eval "${DIALOG} --clear --msgbox 'Network ${NETNUM} NOT enabled' \ + ${INFO_HEIGHT} ${INFO_WIDTH}" + return + fi + else + eval "${DIALOG} --clear --msgbox 'No network enabled!!!' \ + ${INFO_HEIGHT} ${INFO_WIDTH}" + return + fi +} + + +##function +wifi_disable(){ + +##local + DEVNAME=$1 + wifi_network_list ${DEVNAME} + eval "${DIALOG} --menu 'Select configured network' \ + ${WINDOW_HEIGHT} ${WINDOW_WIDTH} 10 ${NETLIST}" \ + 2> ${TMPFILE} + + if [ $? -eq 0 ]; then + ## a network has been selected + NETNUM=$(cat ${TMPFILE}) + WPA_STATUS=$(wpa_cli -i ${DEVNAME} disable ${NETNUM} | tail -1 ) + if [ "${WPA_STATUS}" = "OK" ]; then + eval "${DIALOG} --clear --msgbox 'Network ${NETNUM} disabled' \ + ${INFO_HEIGHT} ${INFO_WIDTH}" + return + else + eval "${DIALOG} --clear --msgbox 'Network ${NETNUM} NOT disabled' \ + ${INFO_HEIGHT} ${INFO_WIDTH}" + return + fi + else + eval "${DIALOG} --clear --msgbox 'No network disabled!!!' \ + ${INFO_HEIGHT} ${INFO_WIDTH}" + return + fi +} + + + +##function +wifi_load_file(){ + +##local + DEVNAME=$1 + + eval "${DIALOG} --fselect ${WPA_FILE} ${WINDOW_HEIGHT} ${WINDOW_WIDTH}" \ + 2>${TMPFILE} + + if [ $? -eq 0 ]; then + SEL_FILE=$(cat ${TMPFILE}) + while [ -d "${SEL_FILE}" ]; do + eval "${DIALOG} --fselect ${SEL_FILE} ${WINDOW_HEIGHT} ${WINDOW_WIDTH}" \ + 2>${TMPFILE} + if [ $? -eq 0 ]; then + SEL_FILE=$(cat ${TMPFILE}) + else + eval "${DIALOG} --clear --infobox 'WPA_FILE was not modified' \ + ${INFO_HEIGHT} ${INFO_WIDTH}" + return + fi + done + + if [ -f "${SEL_FILE}" ]; then + WPA_FILE=${SEL_FILE} + eval "${DIALOG} --clear --defaultno --yesno \ + 'WPA_FILE changed to ${WPA_FILE}\nRestart wpa_supplicant?' \ + ${INFO_HEIGHT} ${INFO_WIDTH}" + if [ $? -eq 0 ]; then + wifi_restart_wpa ${DEVNAME} ${WPA_FILE} + fi + else + eval "${DIALOG} --clear --infobox 'Invalid file name!\n WPA_FILE *not* changed' \ + ${WINDOW_HEIGHT} ${WINDOW_WIDTH}" + return + fi + else + eval "${DIALOG} --clear --infobox 'WPA_FILE was not modified' \ + ${INFO_HEIGHT} ${INFO_WIDTH}" + fi + +} + + + +##function +config_wifi(){ + +##local + DEVNAME=$1 + + while true; do + eval "${DIALOG} --clear --cancel-label 'Up' \ + --menu 'Configuring ${DEVNAME}\n(Current file: ${WPA_FILE})' \ + ${WINDOW_HEIGHT} ${WINDOW_WIDTH} 12 \ + 'Restart' 'Restart wpa_supplicant' \ + 'Enable' 'Enable a configured network' \ + 'Disable' 'Disable a configured network' \ + 'Add' 'Configure a new network' \ + 'Remove' 'Delete an existing network' \ + 'Show' 'Show current configuration file' \ + 'Edit' 'Edit current configuration file' \ + 'Save' 'Save configuration to file'\ + 'Load' 'Load configuration from file'\ + 'New' 'Create new configuration file' "\ + 2>${TMPFILE} + if [ $? -eq 1 ]; then + return + fi + ACTION=$(cat ${TMPFILE}) + case ${ACTION} in + "Restart") + ## Restart wpa_supplicant + wifi_restart_wpa ${DEVNAME} ${WPA_FILE} + ;; + "Enable") + wifi_enable ${DEVNAME} + ;; + "Disable") + wifi_disable ${DEVNAME} + ;; + "Add") + wifi_add ${DEVNAME} + ;; + "Remove") + wifi_remove ${DEVNAME} + ;; + "Show") + eval "${DIALOG} --title 'Current file: ${WPA_FILE}' \ + --textbox ${WPA_FILE} ${WINDOW_HEIGHT} ${WINDOW_WIDTH}" + ;; + "Edit") + edit_file ${WPA_FILE} + ;; + "Save") + wifi_save_file ${DEVNAME} + ;; + "Load") + wifi_load_file ${DEVNAME} + ;; + "New") + eval "${DIALOG} --msgbox 'Sorry!Not yet implemented!' \ + ${INFO_HEIGHT} ${INFO_WIDTH}" 2>${TMPFILE} + ;; + esac + done + +} + + + +## +## (Re)-Configure a network device +## + +##function +configure_device(){ + +##local +DEVNAME=$1 + + case ${DEVNAME} in + eth*) + config_ethernet ${DEVNAME} + ;; + wlan*) + config_wifi ${DEVNAME} + ;; + *) + eval "${DIALOG} --clear --title 'ERROR' --msgbox \ + '${DEVNAME}: Unsupported device type' \ + ${WINDOW_HEIGHT} ${WINDOW_WIDTH}" + ;; + esac + + +} + + +##function +set_device_up(){ + +##local +DEVNAME=$1 + + ip link set ${DEVNAME} up + +} + +##function +set_device_down(){ + +##local +DEVNAME=$1 + + ip link set ${DEVNAME} down + +} + +##function +show_device_menu(){ + +##local + DEVNAME=$1 + while true; do + eval "${DIALOG} --clear --cancel-label 'Up' --menu 'Device: ${DEVNAME}' \ + ${WINDOW_HEIGHT} ${WINDOW_WIDTH} 8 \ + 'View' 'View current configuration' \ + 'Conf' 'Configure device' \ + 'Start' 'Bring interface up' \ + 'Stop' 'Put interface down' \ + 'Restart' 'Restart interface'" 2> ${TMPFILE} + + if [ $? -eq 1 ]; then + return + fi + + DEV_ACTION=$(cat ${TMPFILE}) + case ${DEV_ACTION} in + "View") + show_device_conf ${DEVNAME} + ;; + "Conf") + configure_device ${DEVNAME} + ;; + "Start") + set_device_up ${DEVNAME} + ;; + "Stop") + set_device_down ${DEVNAME} + ;; + "Restart") + set_device_down ${DEVNAME} + set_device_up ${DEVNAME} + ;; + *) + ;; + + esac + done +} + +## +## Show all the available network devices +## + +##function +show_devs() { + + DEVICES=$(ip link show | awk 'NR % 2 == 1' | cut -d ":" -f 2) + + DEVICE_TAGS="" + + for i in $DEVICES; do + if [ "$i" != "lo" ]; then + DEVICE_TAGS="${DEVICE_TAGS} $i $i" + fi + done + + eval "${DIALOG} --clear --cancel-label 'Up' \ + --menu 'Select Interface to configure' ${WINDOW_HEIGHT} ${WINDOW_WIDTH} 4 \ + ${DEVICE_TAGS}" 2> ${TMPFILE} + return $? +} + + +##function +dev_config_menu(){ + + while true; do + show_devs + if [ $? -eq 1 ]; then + return + fi + DEVNAME=$(cat ${TMPFILE}) + show_device_menu ${DEVNAME} + done +} + +##function +show_info(){ + + cat < ${TMPFILE} + +== setnet.sh 0.1 == + +setnet.sh is a simple state-less tool to manage and configure network +interfaces. It is a shell wrapper around the functionalities of "ip", +"dhclient", "wpa_cli", and can be used to configure network +connections via Ethernet/Wi-Fi interfaces. + +Both Static and DHCP-based IP configuration is supported. + +At the moment, only WPA-PSK and open (no key) Wi-Fi connections are +available. + +EOF + eval "${DIALOG} --clear --cr-wrap --textbox ${TMPFILE} ${WINDOW_HEIGHT} ${WINDOW_WIDTH}" + return +} + +##function +show_copyright(){ + + cat < ${TMPFILE} + +== setnet.sh 0.1 == + +(c) KatolaZ (katolaz@freaknet.org) -- 2016 + +EOF + eval "${DIALOG} --clear --cr-wrap --textbox ${TMPFILE} ${WINDOW_HEIGHT} ${WINDOW_WIDTH}" + return +} + + +##function +show_license(){ + + cat < ${TMPFILE} + +== setnet.sh 0.1 == + +This program is free software: you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation, either version 3 of the License, or (at +your option) any later version. + +This program is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program. If not, see . + +---------------------------------------------------------------------- + + (c) KatolaZ -- 2016 + +---------------------------------------------------------------------- + +EOF + eval "${DIALOG} --clear --cr-wrap --textbox ${TMPFILE} ${WINDOW_HEIGHT} ${WINDOW_WIDTH}" + return +} + + + +##function +about_menu(){ + + while true; do + eval "${DIALOG} --cancel-label 'Up' --menu 'setnet ${VERSION} -- About' \ + ${WINDOW_HEIGHT} ${WINDOW_WIDTH} 6 \ + 'Info' 'General information' \ + 'Copyright' 'Copyright information' \ + 'License' 'How to distribute this program' " \ + 2> ${TMPFILE} + if [ $? -eq 1 ];then + return; + fi + + ACTION=$(cat ${TMPFILE}) + case ${ACTION} in + "Info") + show_info + ;; + "Copyright") + show_copyright + ;; + "License") + show_license + ;; + esac + done +} + + +##function +show_toplevel(){ + + log "show_toplevel" "TMPFILE: ${TMPFILE}" + eval "${DIALOG} --clear --cancel-label 'Quit' --menu 'Main Menu' \ + ${WINDOW_HEIGHT} ${WINDOW_WIDTH} 6 \ + 'Setup' 'Setup interfaces' \ + 'About' 'Info & Copyright'" 2> ${TMPFILE} + + return $? +} + +##function +show_help(){ + +##local +SCRIPTNAME=$1 + echo "Usage: ${SCRIPTNAME} [OPTION]" + echo "Options:" + printf "\t -c cfg_file\tLoad configuration from cfg_file.\n" + printf "\t -v\t\tPrint version number and exit.\n" + printf "\t -h\t\tShow this help.\n" + +} + +##function +show_version(){ + +##local +SCRIPTNAME=$1 + echo "${SCRIPTNAME} -- version ${VERSION}" + echo "Copyright (C) Vincenzo \"KatolaZ\" Nicosia (katolaz@freaknet.org) -- 2016" + echo "This is free software. You can use and redistribute it under the " + echo "terms of the GNU General Public Licence version 3 or (at your option)" + echo "any later version." + echo + echo "YOU USE THIS SOFTWARE AT YOUR OWN RISK." + echo "There is ABSOLUTELY NO WARRANTY; not even for MERCHANTABILITY or" + echo "FITNESS FOR A PARTICULAR PURPOSE." +} + +##function +show_disclaimer(){ + + cat < ${TMPFILE} + + == setnet.sh 0.1 == + + (c) KatolaZ (katolaz@freaknet.org) -- 2016 + + -+- This is the alpha release of setnet.sh -+- + + THIS IS FREE SOFTWARE + YOU CAN USE AND DISTRIBUTE IT UNDER THE + TERMS OF THE GNU GENERAL PUBLIC LICENSE + + USE THIS SOFTWARE AT YOUR OWN RISK + + There is ABSOLUTELY NO WARRANTY; not even for + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE + + See "About" for more information about + copyright and license +EOF + + eval "${DIALOG} --clear --cr-wrap --textbox ${TMPFILE} 23 60" + return +} + + +##function +main(){ + + truncate -s 0 ${LOGFILE} + trap cleanup 0 $SIG_NONE $SIG_HUP $SIG_INT $SIG_TRAP $SIG_TERM + + show_disclaimer + + log "setnet" "Starting afresh on $(date)" + SETNETRC=$(realpath ${SETNETRC}) + log "main" "Using config file \"${SETNETRC}\"" + WPA_FILE=$(realpath ${WPA_FILE}) + log "main" "Using WPA config file \"${WPA_FILE}\"" + LOFGILE=$(realpath ${LOGFILE}) + log "main" "Using log file \"${LOGFILE}\"" + + while true; do + show_toplevel + + if [ $? -eq 1 ]; then + cleanup + exit 1 + fi + log "main" "${TMPFILE}" + ACTION=$(cat ${TMPFILE}) + log "main" "ACTION: ${ACTION}" + case ${ACTION} in + "Setup") + dev_config_menu + ;; + "About") + about_menu + ;; + esac + done + +} + + +## +## Get the options +## + +SETNETRC="" + +while getopts ":c:hv" opt; do + + case $opt in + c) + echo "Got option -c ${OPTARG}" + SETNETRC=$(realpath ${OPTARG}) + echo "SETNETRC: ${SETNETRC}" + ;; + h) + show_help $(basename $0) + exit 1 + ;; + v) + show_version $(basename $0) + exit 1 + ;; + \?) + echo "Invalid option: -${OPTARG}" + exit 1 + ;; + :) + echo "Option -${OPTARG} requires an argument" + exit 1 + ;; + esac +done + + + +load_setnetrc ${SETNETRC} + +main + + diff --git a/setnet.sh b/setnet.sh index e5cba98..3a173c0 100755 --- a/setnet.sh +++ b/setnet.sh @@ -39,8 +39,9 @@ DIALOG="dialog --backtitle \"${TOPSTR}\" " -TMPFILE=`(tempfile) 2>/dev/null` || tempfile=/tmp/setnet_$$ -WPA_PIDFILE=`(tempfile) 2>/dev/null` || tempfile=/tmp/setnet_wpapid_$$ + +TMPFILE=$( (tempfile) 2>/dev/null) || TMPFILE=/tmp/setnet_$$ +WPA_PIDFILE=$( (tempfile) 2>/dev/null) || WPA_PIDFILE=/tmp/setnet_wpapid_$$ WINDOW_WIDTH=75 WINDOW_HEIGHT=20 @@ -664,7 +665,7 @@ function wifi_load_file(){ local DEVNAME=$1 eval "${DIALOG} --fselect ${WPA_FILE} ${WINDOW_HEIGHT} ${WINDOW_WIDTH} \ - 2>${TMPFILE}|" + 2>${TMPFILE}" if [ $? -eq 0 ]; then SEL_FILE=`<${TMPFILE}` -- cgit v1.2.3