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Allow users to skip setting static IP adress (#4419)
* Allow users to skip setting static IP adresss Signed-off-by: Christian König <ckoenig@posteo.de>
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yubiuser
GitHub
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ac4a975be5
@ -761,7 +761,6 @@ collect_v4andv6_information() {
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if [[ -f "/etc/dhcpcd.conf" ]]; then
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# configure networking via dhcpcd
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getStaticIPv4Settings
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setDHCPCD
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fi
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find_IPv6_information
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printf " %b IPv6 address: %s\\n" "${INFO}" "${IPV6_ADDRESS}"
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@ -770,47 +769,59 @@ collect_v4andv6_information() {
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getStaticIPv4Settings() {
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# Local, named variables
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local ipSettingsCorrect
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local DHCPChoice
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# Ask if the user wants to use DHCP settings as their static IP
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# This is useful for users that are using DHCP reservations; then we can just use the information gathered via our functions
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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: ${IPV4_ADDRESS}
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Gateway: ${IPv4gw}" "${r}" "${c}"; then
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DHCPChoice=$(whiptail --backtitle "Calibrating network interface" --title "Static IP Address" --menu --separate-output "Do you want to use your current network settings as a static address? \\n
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IP address: ${IPV4_ADDRESS} \\n
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Gateway: ${IPv4gw} \\n" "${r}" "${c}" 3\
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"Yes" "Set static IP using current values" \
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"No" "Set static IP using custom values" \
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"Skip" "I will set a static IP later, or have already done so" 3>&2 2>&1 1>&3) || \
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{ printf " %bCancel was selected, exiting installer%b\\n" "${COL_LIGHT_RED}" "${COL_NC}"; exit 1; }
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case ${DHCPChoice} in
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"Yes")
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# If they choose yes, let the user know that the IP address will not be available via DHCP and may cause a conflict.
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whiptail --msgbox --backtitle "IP information" --title "FYI: IP Conflict" "It is possible your router could still try to assign this IP to a device, which would cause a conflict. But in most cases the router is smart enough to not do that.
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If you are worried, either manually set the address, or modify the DHCP reservation pool so it does not include the IP you want.
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It is also possible to use a DHCP reservation, but if you are going to do that, you might as well set a static address." "${r}" "${c}"
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# Nothing else to do since the variables are already set above
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else
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# Otherwise, we need to ask the user to input their desired settings.
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# Start by getting the IPv4 address (pre-filling it with info gathered from DHCP)
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# Start a loop to let the user enter their information with the chance to go back and edit it if necessary
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until [[ "${ipSettingsCorrect}" = True ]]; do
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If you are worried, either manually set the address, or modify the DHCP reservation pool so it does not include the IP you want.
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It is also possible to use a DHCP reservation, but if you are going to do that, you might as well set a static address." "${r}" "${c}"
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# Nothing else to do since the variables are already set above
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setDHCPCD
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;;
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# Ask for the IPv4 address
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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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# Canceling IPv4 settings window
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{ ipSettingsCorrect=False; echo -e " ${COL_LIGHT_RED}Cancel was selected, exiting installer${COL_NC}"; exit 1; }
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printf " %b Your static IPv4 address: %s\\n" "${INFO}" "${IPV4_ADDRESS}"
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"No")
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# Otherwise, we need to ask the user to input their desired settings.
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# Start by getting the IPv4 address (pre-filling it with info gathered from DHCP)
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# Start a loop to let the user enter their information with the chance to go back and edit it if necessary
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until [[ "${ipSettingsCorrect}" = True ]]; do
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# Ask for the gateway
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IPv4gw=$(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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# Canceling gateway settings window
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{ ipSettingsCorrect=False; echo -e " ${COL_LIGHT_RED}Cancel was selected, exiting installer${COL_NC}"; exit 1; }
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printf " %b Your static IPv4 gateway: %s\\n" "${INFO}" "${IPv4gw}"
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# Ask for the IPv4 address
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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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# Canceling IPv4 settings window
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{ ipSettingsCorrect=False; echo -e " ${COL_LIGHT_RED}Cancel was selected, exiting installer${COL_NC}"; exit 1; }
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printf " %b Your static IPv4 address: %s\\n" "${INFO}" "${IPV4_ADDRESS}"
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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: ${IPV4_ADDRESS}
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Gateway: ${IPv4gw}" "${r}" "${c}"; then
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# After that's done, the loop ends and we move on
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ipSettingsCorrect=True
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else
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# If the settings are wrong, the loop continues
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ipSettingsCorrect=False
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fi
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done
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# End the if statement for DHCP vs. static
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fi
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# Ask for the gateway
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IPv4gw=$(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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# Canceling gateway settings window
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{ ipSettingsCorrect=False; echo -e " ${COL_LIGHT_RED}Cancel was selected, exiting installer${COL_NC}"; exit 1; }
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printf " %b Your static IPv4 gateway: %s\\n" "${INFO}" "${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: ${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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else
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# If the settings are wrong, the loop continues
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ipSettingsCorrect=False
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fi
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done
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setDHCPCD
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;;
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esac
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}
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# Configure networking via dhcpcd
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@ -2475,12 +2486,12 @@ main() {
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get_available_interfaces
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# Find interfaces and let the user choose one
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chooseInterface
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# find IPv4 and IPv6 information of the device
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collect_v4andv6_information
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# Decide what upstream DNS Servers to use
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setDNS
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# Give the user a choice of blocklists to include in their install. Or not.
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chooseBlocklists
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# find IPv4 and IPv6 information of the device
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collect_v4andv6_information
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# Let the user decide if they want the web interface to be installed automatically
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setAdminFlag
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# Let the user decide if they want query logging enabled...
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