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1 | 1 | # |
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2 | 2 | # Setup Networking |
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3 | 3 | # |
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4 | 4 | |
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5 | 5 | # Load utility functions |
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6 | 6 | . ./functions.sh |
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7 | 7 | |
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8 | 8 | # Install and setup hostname |
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9 | 9 | install_readonly files/network/hostname "${ETCDIR}/hostname" |
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10 | 10 | sed -i "s/^rpi2-jessie/${HOSTNAME}/" "${ETCDIR}/hostname" |
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11 | 11 | |
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12 | 12 | # Install and setup hosts |
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13 | 13 | install_readonly files/network/hosts "${ETCDIR}/hosts" |
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14 | 14 | sed -i "s/rpi2-jessie/${HOSTNAME}/" "${ETCDIR}/hosts" |
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15 | 15 | |
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16 | 16 | # Setup hostname entry with static IP |
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17 | 17 | if [ "$NET_ADDRESS" != "" ] ; then |
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18 | 18 | NET_IP=$(echo "${NET_ADDRESS}" | cut -f 1 -d'/') |
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19 | 19 | sed -i "s/^127.0.1.1/${NET_IP}/" "${ETCDIR}/hosts" |
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20 | 20 | fi |
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21 | 21 | |
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22 | 22 | # Remove IPv6 hosts |
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23 | 23 | if [ "$ENABLE_IPV6" = false ] ; then |
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24 | 24 | sed -i -e "/::[1-9]/d" -e "/^$/d" "${ETCDIR}/hosts" |
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25 | 25 | fi |
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26 | 26 | |
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27 | 27 | # Install hint about network configuration |
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28 | 28 | install_readonly files/network/interfaces "${ETCDIR}/network/interfaces" |
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29 | 29 | |
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30 | 30 | # Install configuration for interface eth0 |
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31 | 31 | install_readonly files/network/eth.network "${ETCDIR}/systemd/network/eth.network" |
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32 | 32 | |
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33 | 33 | if [ "$ENABLE_DHCP" = true ] ; then |
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34 | 34 | # Enable DHCP configuration for interface eth0 |
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35 | 35 | sed -i -e "s/DHCP=.*/DHCP=yes/" -e "/DHCP/q" "${ETCDIR}/systemd/network/eth.network" |
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36 | 36 | |
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37 | 37 | # Set DHCP configuration to IPv4 only |
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38 | 38 | if [ "$ENABLE_IPV6" = false ] ; then |
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39 | 39 | sed -i "s/DHCP=.*/DHCP=v4/" "${ETCDIR}/systemd/network/eth.network" |
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40 | 40 | fi |
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41 | 41 | |
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42 | 42 | else # ENABLE_DHCP=false |
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43 | 43 | # Set static network configuration for interface eth0 |
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44 | 44 | sed -i\ |
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45 | 45 | -e "s|DHCP=.*|DHCP=no|"\ |
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46 | 46 | -e "s|Address=\$|Address=${NET_ADDRESS}|"\ |
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47 | 47 | -e "s|Gateway=\$|Gateway=${NET_GATEWAY}|"\ |
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48 | 48 | -e "0,/DNS=\$/ s|DNS=\$|DNS=${NET_DNS_1}|"\ |
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49 | 49 | -e "0,/DNS=\$/ s|DNS=\$|DNS=${NET_DNS_2}|"\ |
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50 | 50 | -e "s|Domains=\$|Domains=${NET_DNS_DOMAINS}|"\ |
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51 | 51 | -e "0,/NTP=\$/ s|NTP=\$|NTP=${NET_NTP_1}|"\ |
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52 | 52 | -e "0,/NTP=\$/ s|NTP=\$|NTP=${NET_NTP_2}|"\ |
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53 | 53 | "${ETCDIR}/systemd/network/eth.network" |
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54 | 54 | fi |
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55 | 55 | |
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56 | 56 | # Remove empty settings from network configuration |
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57 | 57 | sed -i "/.*=\$/d" "${ETCDIR}/systemd/network/eth.network" |
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58 | 58 | |
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59 | 59 | # Enable systemd-networkd service |
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60 | 60 | chroot_exec systemctl enable systemd-networkd |
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61 | 61 | |
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62 | 62 | # Install host.conf resolver configuration |
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63 | 63 | install_readonly files/network/host.conf "${ETCDIR}/host.conf" |
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64 | 64 | |
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65 | 65 | # Enable network stack hardening |
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66 | 66 | if [ "$ENABLE_HARDNET" = true ] ; then |
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67 | 67 | # Install sysctl.d configuration files |
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68 | 68 | install_readonly files/sysctl.d/82-rpi-net-hardening.conf "${ETCDIR}/sysctl.d/82-rpi-net-hardening.conf" |
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69 | 69 | |
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70 | 70 | # Setup resolver warnings about spoofed addresses |
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71 | 71 | sed -i "s/^# spoof warn/spoof warn/" "${ETCDIR}/host.conf" |
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72 | 72 | fi |
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73 | ||
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74 | # Enable time sync | |
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75 | if [ "NET_NTP_1" != "" ] ; then | |
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76 | chroot_exec systemctl enable systemd-timesyncd.service | |
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77 | fi | |
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