174 lines
6.9 KiB
Bash
174 lines
6.9 KiB
Bash
# ------------------------------------------------------------------------------
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# Configure network
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# This file is part of the init.sh project
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# Copyright (c) 2019-2021 Geoffray Levasseur <fatalerrors@geoffray-levasseur.org>
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# ------------------------------------------------------------------------------
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# This file is distributed under 3-clause BSD license.
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# The complete license agreement can be obtained at:
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# https://opensource.org/licenses/BSD-3-Clause
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# ------------------------------------------------------------------------------
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# Variables:
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# * IPV4_IFACES: list of the interfaces with IPv4 configuration
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# * IPV6_IFACES: list of the interfaces with IPv6 configuration
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# * NET{4,6}_MODE_$iface: mode of configuration for $iface: static, manual or dhcp
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# - In static mode only:
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# * NET{4,6}_IP_$iface: IP address of the interface $iface
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# * NET{4,6}_GW_$iface: Gateway of the interface $iface
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# * NET{4,6}_NS_$iface: Name servers of the interface $iface
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# * NET{4,6}_NS_SEARCH_$iface: Domain name research the interface $iface
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# - In manual mode only
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# * NET{4,6}_MANUAL_FILE_$iface: filename for manual configuration of $iface
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# ------------------------------------------------------------------------------
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export VER_conf_network="0.0.6"
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export DEP_conf_network="install_pkg"
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conf_network()
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{
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local if_file="/etc/network/interfaces"
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backup_dist $if_file
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# The interfaces header contain loopback interface declaration
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install_file interfaces.head $if_file
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tag_file $if_file
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# First configure IPv4 ifaces
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local iface=
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for iface in $IPV4_IFACES; do
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echo -e "\n# --------------------------------\n" >> $if_file
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if [[ $(eval echo \$NET4_MODE_$iface) == static ]]; then
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prnt I "Configuring IPv4 network interface $iface in static mode..."
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echo "auto $iface" >> $if_file
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echo "iface $iface inet static" >> $if_file
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echo -e "\taddress $(eval echo \$NET4_IP_$iface)" >> $if_file
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if [[ -n $(eval echo \$NET4_GW_$iface) ]]; then
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echo -e "\tgateway $(eval echo \$NET4_GW_$iface)" >> $if_file
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fi
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if [[ -n $(eval echo \$NET4_NS_$iface) ]]; then
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echo -e "\tdns_nameservers $(eval echo \$NET4_NS_$iface)" >> $if_file
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fi
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if [[ -n $(eval echo \$NET4_NS_SEARCH_$iface) ]]; then
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echo -e "\tdns_search $(eval echo \$NET4_NS_SEARCH_$iface)" >> $if_file
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fi
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elif [[ $(eval echo \$NET4_MODE_$iface) == dhcp ]]; then
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prnt I "Configuring IPv4 network interface $iface in DHCP mode..."
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echo "auto $iface" >> $if_file
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echo "iface $iface inet dhcp" >> $if_file
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elif [[ $(eval echo \$NET4_MODE_$iface) == manual ]]; then
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local fname=$(eval echo \$NET4_MANUAL_FILE_$iface)
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append_file $fname $if_file
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unset fname
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fi
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done
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for iface in $IPV6_IFACES; do
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echo -e "\n# --------------------------------\n" >> $if_file
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if [[ $(eval echo \$NET6_MODE_$iface) == static ]]; then
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prnt I "Configuring IPv6 network interface $iface in static mode..."
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echo "auto $iface" >> $if_file
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echo "iface $iface inet6 static" >> $if_file
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echo -e "\taddress $(eval echo \$NET6_IP_$iface)" >> $if_file
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if [[ -n $(eval echo \$NET6_GW_$iface) ]]; then
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echo -e "\tgateway $(eval echo \$NET6_GW_$iface)" >> $if_file
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fi
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if [[ -n $(eval echo \$NET6_NS_$iface) ]]; then
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echo -e "\tdns_nameservers $(eval echo \$NET6_NS_$iface)" >> $if_file
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fi
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if [[ -n $(eval echo \$NET6_NS_SEARCH_$iface) ]]; then
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echo -e "\tdns_search $(eval echo \$NET6_NS_SEARCH_$iface)" >> $if_file
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fi
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elif [[ $(eval echo \$NET6_MODE_$iface) == dhcp ]]; then
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prnt I "Configuring IPv6 network interface $iface in DHCP mode..."
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echo "auto $iface" >> $if_file
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echo "iface $iface inet6 dhcp" >> $if_file
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elif [[ $(eval echo \$NET6_MODE_$iface) == manual ]]; then
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local fname=$(eval echo \$NET6_MANUAL_FILE_$iface)
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append_file $fname $if_file
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unset fname
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fi
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done
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unset iface if_file
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set_reboot_needed
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}
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precheck_conf_network()
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{
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file_must_exists interfaces.head
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if [[ -z $IPV4_IFACES ]]; then
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prnt W "No IPv4 interfaces to configure."
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else
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for iface in $IPV4_IFACES; do
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if [[ -z $(eval echo \$NET4_MODE_$iface) ]]; then
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prnt E "Interfaces $iface have no mode set!"
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else
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case $(eval echo \$NET4_MODE_$iface) in
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"static")
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if [[ -z $(eval echo \$NET4_IP_$iface) ]]; then
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prnt E "No IPv4 have been assigned to static interface $iface!"
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fi
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prnt I " * Interface $iface will have $(eval echo \$NET4_IP_$iface) static IPv4 address."
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;;
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"dhcp")
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prnt I " * Interface $iface will use DHCP."
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;;
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"manual")
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file_must_exists $(eval echo \$NET4_MANUAL_FILE_$iface)
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prnt I " * Interface $iface will use manual IPv4 configuration in a file."
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;;
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*)
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prnt E "Interfaces mode \"$(eval echo \$NET4_MODE_$iface)\" unsuported!"
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die 175
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;;
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esac
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fi
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done
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fi
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if [[ -z $IPV6_IFACES ]]; then
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prnt W "No IPv6 interfaces to configure."
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else
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for iface in $IPV6_IFACES; do
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if [[ -z $(eval echo \$NET6_MODE_$iface) ]]; then
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prnt E "Interfaces $iface have no mode set!"
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else
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case $(eval echo \$NET6_MODE_$iface) in
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"static")
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if [[ -z $(eval echo \$NET6_IP_$iface) ]]; then
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prnt E "No IPv6 have been assigned to static interface $iface!"
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fi
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prnt I " * Interface $iface will have $(eval echo \$NET6_IP_$iface) static IPv6 address."
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;;
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"dhcp")
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prnt I " * Interface $iface will use DHCPv6."
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;;
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"manual")
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file_must_exists $(eval echo \$NET6_MANUAL_FILE_$iface)
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prnt I " * Interface $iface will use manual IPv6 configuration in a file."
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;;
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*)
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prnt E "Interfaces mode \"$(eval echo \$NET6_MODE_$iface)\" unsuported!"
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die 175
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;;
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esac
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fi
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done
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fi
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}
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export -f conf_network
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export -f precheck_conf_network
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# EOF
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