Fix logic bug in `setup_user`, update how setupVars are sourced so they will only be used if the user selects `update` and not if they select `install`.
This commit is contained in:
Dan Schaper
parent
47aad254d8
commit
72b95e192e
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@ -31,6 +31,9 @@ piholeFilesDir="/etc/.pihole"
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useUpdateVars=false
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IPv4_address="Not Used"
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IPv6_address="Not Used"
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# Find the rows and columns
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rows=$(tput lines)
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columns=$(tput cols)
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@ -124,10 +127,10 @@ spinner()
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printf " \b\b\b\b"
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}
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findIPRoute() {
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find_IPv4_information() {
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# Find IP used to route to outside world
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IPv4dev=$(ip route get 8.8.8.8 | awk '{for(i=1;i<=NF;i++)if($i~/dev/)print $(i+1)}')
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IPv4addr=$(ip -o -f inet addr show dev "$IPv4dev" | awk '{print $4}' | awk 'END {print}')
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IPv4_address=$(ip -o -f inet addr show dev "$IPv4dev" | awk '{print $4}' | awk 'END {print}')
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IPv4gw=$(ip route get 8.8.8.8 | awk '{print $3}')
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}
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@ -138,13 +141,13 @@ get_available_interfaces() {
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welcomeDialogs() {
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# Display the welcome dialog
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whiptail --msgbox --backtitle "Welcome" --title "Pi-hole automated installer" "This installer will transform your Raspberry Pi into a network-wide ad blocker!" ${r} ${c}
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whiptail --msgbox --backtitle "Welcome" --title "Pi-hole automated installer" "\n\nThis installer will transform your device into a network-wide ad blocker!" ${r} ${c}
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# Support for a part-time dev
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whiptail --msgbox --backtitle "Plea" --title "Free and open source" "The Pi-hole is free, but powered by your donations: http://pi-hole.net/donate" ${r} ${c}
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whiptail --msgbox --backtitle "Plea" --title "Free and open source" "\n\nThe Pi-hole is free, but powered by your donations: http://pi-hole.net/donate" ${r} ${c}
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# Explain the need for a static address
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whiptail --msgbox --backtitle "Initiating network interface" --title "Static IP Needed" "The Pi-hole is a SERVER so it needs a STATIC IP ADDRESS to function properly.
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whiptail --msgbox --backtitle "Initiating network interface" --title "Static IP Needed" "\n\nThe Pi-hole is a SERVER so it needs a STATIC IP ADDRESS to function properly.
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In the next section, you can choose to use your current network settings (DHCP) or to manually edit them." ${r} ${c}
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}
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@ -219,10 +222,18 @@ chooseInterface() {
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echo "::: Cancel selected, exiting...."
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exit 1
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fi
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}
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useIPv6dialog() {
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# Show the IPv6 address used for blocking
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IPv6_address=$(ip -6 route get 2001:4860:4860::8888 | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "src") print $(i+1) }')
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whiptail --msgbox --backtitle "IPv6..." --title "IPv6 Supported" "$IPv6_address will be used to block ads." ${r} ${c}
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}
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use4andor6() {
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local useIPv4
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local useIPv6
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# Let use select IPv4 and/or IPv6
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cmd=(whiptail --separate-output --checklist "Select Protocols (press space to select)" ${r} ${c} 2)
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options=(IPv4 "Block ads over IPv4" on
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@ -236,47 +247,31 @@ use4andor6() {
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IPv6 ) useIPv6=true;;
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esac
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done
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if [ ${useIPv4} ] && [ ! ${useIPv6} ]; then
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if [[ ${useIPv4} ]]; then
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find_IPv4_information
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getStaticIPv4Settings
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setStaticIPv4
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echo "::: Using IPv4 on $IPv4addr"
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echo "::: IPv6 will NOT be used."
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fi
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if [ ! ${useIPv4} ] && [ ${useIPv6} ]; then
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if [[ ${useIPv6} ]]; then
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useIPv6dialog
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echo "::: IPv4 will NOT be used."
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echo "::: Using IPv6 on $piholeIPv6"
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fi
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if [ ${useIPv4} ] && [ ${useIPv6} ]; then
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getStaticIPv4Settings
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setStaticIPv4
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useIPv6dialog
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echo "::: Using IPv4 on $IPv4addr"
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echo "::: Using IPv6 on $piholeIPv6"
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fi
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echo "::: IPv4 address: ${IPv4_address}"
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echo "::: IPv6 address: ${IPv6_address}"
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if [ ! ${useIPv4} ] && [ ! ${useIPv6} ]; then
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echo "::: Cannot continue, neither IPv4 or IPv6 selected"
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echo "::: Exiting"
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exit 1
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fi
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else
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echo "::: Cancel selected. Exiting..."
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exit 1
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fi
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}
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useIPv6dialog() {
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# Show the IPv6 address used for blocking
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piholeIPv6=$(ip -6 route get 2001:4860:4860::8888 | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "src") print $(i+1) }')
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whiptail --msgbox --backtitle "IPv6..." --title "IPv6 Supported" "$piholeIPv6 will be used to block ads." ${r} ${c}
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}
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getStaticIPv4Settings() {
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# Ask if the user wants to use DHCP settings as their static IP
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if (whiptail --backtitle "Calibrating network interface" --title "Static IP Address" --yesno "Do you want to use your current network settings as a static address?
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IP address: $IPv4addr
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IP address: $IPv4_address
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Gateway: $IPv4gw" ${r} ${c}); then
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# If they choose yes, let the user know that the IP address will not be available via DHCP and may cause a conflict.
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whiptail --msgbox --backtitle "IP information" --title "FYI: IP Conflict" "It is possible your router could still try to assign this IP to a device, which would cause a conflict. But in most cases the router is smart enough to not do that.
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@ -290,16 +285,16 @@ It is also possible to use a DHCP reservation, but if you are going to do that,
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until [[ ${ipSettingsCorrect} = True ]]
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do
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# Ask for the IPv4 address
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IPv4addr=$(whiptail --backtitle "Calibrating network interface" --title "IPv4 address" --inputbox "Enter your desired IPv4 address" ${r} ${c} "$IPv4addr" 3>&1 1>&2 2>&3)
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IPv4_address=$(whiptail --backtitle "Calibrating network interface" --title "IPv4 address" --inputbox "Enter your desired IPv4 address" ${r} ${c} "$IPv4_address" 3>&1 1>&2 2>&3)
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if [[ $? = 0 ]];then
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echo "::: Your static IPv4 address: $IPv4addr"
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echo "::: Your static IPv4 address: $IPv4_address"
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# Ask for the gateway
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IPv4gw=$(whiptail --backtitle "Calibrating network interface" --title "IPv4 gateway (router)" --inputbox "Enter your desired IPv4 default gateway" ${r} ${c} "$IPv4gw" 3>&1 1>&2 2>&3)
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if [[ $? = 0 ]];then
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echo "::: Your static IPv4 gateway: $IPv4gw"
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# Give the user a chance to review their settings before moving on
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if (whiptail --backtitle "Calibrating network interface" --title "Static IP Address" --yesno "Are these settings correct?
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IP address: $IPv4addr
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IP address: $IPv4_address
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Gateway: $IPv4gw" ${r} ${c}); then
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# After that's done, the loop ends and we move on
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ipSettingsCorrect=True
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@ -327,7 +322,7 @@ It is also possible to use a DHCP reservation, but if you are going to do that,
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setDHCPCD() {
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# Append these lines to dhcpcd.conf to enable a static IP
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echo "## interface $piholeInterface
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static ip_address=$IPv4addr
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static ip_address=$IPv4_address
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static routers=$IPv4gw
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static domain_name_servers=$IPv4gw" | tee -a /etc/dhcpcd.conf >/dev/null
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}
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@ -335,23 +330,23 @@ setDHCPCD() {
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setStaticIPv4() {
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if [[ -f /etc/dhcpcd.conf ]];then
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# Debian Family
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if grep -q "$IPv4addr" /etc/dhcpcd.conf; then
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if grep -q "$IPv4_address" /etc/dhcpcd.conf; then
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echo "::: Static IP already configured"
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else
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setDHCPCD
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ip addr replace dev "$piholeInterface" "$IPv4addr"
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ip addr replace dev "$piholeInterface" "$IPv4_address"
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echo ":::"
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echo "::: Setting IP to $IPv4addr. You may need to restart after the install is complete."
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echo "::: Setting IP to $IPv4_address. You may need to restart after the install is complete."
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echo ":::"
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fi
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elif [[ -f /etc/sysconfig/network-scripts/ifcfg-${piholeInterface} ]];then
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# Fedora Family
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IFCFG_FILE=/etc/sysconfig/network-scripts/ifcfg-${piholeInterface}
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if grep -q "$IPv4addr" "${IFCFG_FILE}"; then
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if grep -q "$IPv4_address" "${IFCFG_FILE}"; then
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echo "::: Static IP already configured"
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else
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IPADDR=$(echo "${IPv4addr}" | cut -f1 -d/)
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CIDR=$(echo "${IPv4addr}" | cut -f2 -d/)
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IPADDR=$(echo "${IPv4_address}" | cut -f1 -d/)
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CIDR=$(echo "${IPv4_address}" | cut -f2 -d/)
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# Backup existing interface configuration:
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cp "${IFCFG_FILE}" "${IFCFG_FILE}".backup-"$(date +%Y-%m-%d-%H%M%S)"
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# Build Interface configuration file:
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@ -367,13 +362,13 @@ setStaticIPv4() {
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echo "DNS2=$piholeDNS2"
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echo "USERCTL=no"
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}>> "${IFCFG_FILE}"
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ip addr replace dev "$piholeInterface" "$IPv4addr"
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ip addr replace dev "$piholeInterface" "$IPv4_address"
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if [ -x "$(command -v nmcli)" ];then
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# Tell NetworkManager to read our new sysconfig file
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nmcli con load "${IFCFG_FILE}" > /dev/null
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fi
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echo ":::"
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echo "::: Setting IP to $IPv4addr. You may need to restart after the install is complete."
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echo "::: Setting IP to $IPv4_address. You may need to restart after the install is complete."
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echo ":::"
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fi
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@ -736,7 +731,7 @@ runGravity() {
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create_pihole_user(){
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# Check if user pihole exists and create if not
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echo "::: Checking if user 'pihole' exists..."
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id -u pihole &> /dev/null && echo "::: User 'pihole' already exists" || echo "::: User 'pihole' doesn't exist. Creating..."; useradd -r -s /usr/sbin/nologin pihole
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id -u pihole &> /dev/null && echo "::: User 'pihole' already exists" || echo "::: User 'pihole' doesn't exist. && Creating..." useradd -r -s /usr/sbin/nologin pihole
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}
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configureFirewall() {
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@ -767,8 +762,8 @@ finalExports() {
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fi
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{
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echo "piholeInterface=${piholeInterface}"
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echo "IPv4addr=${IPv4addr}"
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echo "piholeIPv6=${piholeIPv6}"
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echo "IPv4_address=${IPv4_address}"
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echo "IPv6_address=${IPv6_address}"
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echo "piholeDNS1=${piholeDNS1}"
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echo "piholeDNS2=${piholeDNS2}"
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}>> "${setupVars}"
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@ -841,13 +836,13 @@ displayFinalMessage() {
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# Final completion message to user
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whiptail --msgbox --backtitle "Make it so." --title "Installation Complete!" "Configure your devices to use the Pi-hole as their DNS server using:
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IPv4: ${IPv4addr%/*}
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IPv6: $piholeIPv6
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IPv4: ${IPv4_address%/*}
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IPv6: $IPv6_address
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If you set a new IP address, you should restart the Pi.
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The install log is in /etc/pihole.
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View the web interface at http://pi.hole/admin or http://${IPv4addr%/*}/admin" ${r} ${c}
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View the web interface at http://pi.hole/admin or http://${IPv4_address%/*}/admin" ${r} ${c}
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}
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update_dialogs(){
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@ -860,6 +855,7 @@ update_dialogs(){
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case ${UpdateCmd} in
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Update)
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echo "::: Updating existing install"
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. ${setupVars}
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useUpdateVars=true
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;;
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Install)
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@ -876,14 +872,11 @@ update_dialogs(){
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main() {
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if [[ -f ${setupVars} ]];then
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. ${setupVars}
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if [ "$1" == "pihole" ]; then
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useUpdateVars=true
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else
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update_dialogs
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fi
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fi
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# Start the installer
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@ -920,7 +913,7 @@ if [[ ${useUpdateVars} == false ]]; then
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# Determine available interfaces
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get_available_interfaces
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# Find IP used to route to outside world
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findIPRoute
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#find_IPv4_information
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# Find interfaces and let the user choose one
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chooseInterface
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# Let the user decide if they want to block ads over IPv4 and/or IPv6
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@ -959,8 +952,8 @@ echo " done."
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echo ":::"
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if [[ ${useUpdateVars} == false ]]; then
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echo "::: Installation Complete! Configure your devices to use the Pi-hole as their DNS server using:"
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echo "::: ${IPv4addr%/*}"
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echo "::: $piholeIPv6"
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echo "::: ${IPv4_address%/*}"
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echo "::: $IPv6_address"
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echo ":::"
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echo "::: If you set a new IP address, you should restart the Pi."
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else
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@ -969,7 +962,7 @@ fi
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echo ":::"
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echo "::: The install log is located at: /etc/pihole/install.log"
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echo "::: View the web interface at http://pi.hole/admin or http://${IPv4addr%/*}/admin"
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echo "::: View the web interface at http://pi.hole/admin or http://${IPv4_address%/*}/admin"
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}
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main "$@"
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