2023-10-26 01:25:51 +00:00
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#!/bin/sh
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2023-10-30 09:12:32 +00:00
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set -e
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2023-10-26 01:25:51 +00:00
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[ -n "$DISK_FILENAME" ] || DISK_FILENAME="rq0.dsk"
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2023-10-30 09:12:32 +00:00
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echo -n "Checking for disk... "
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if [ -f "/mnt/$DISK_FILENAME" ]; then
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[ -w "/mnt/$DISK_FILENAME" ] || { echo "Disk /mnt/$DISK_FILENAME exists and is not writable"; exit 1; }
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echo "Disk found and is writable."
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else
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[ -w "/mnt/" ] || { echo "Disk /mnt/$DISK_FILENAME not found and /mnt not writable"; exit 1; }
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[ -f "/rq0.dsk.gz" ] || { echo "Disk /mnt/$DISK_FILENAME not found and image was not built with a default disk"; exit 1; }
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echo "Disk not found."
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echo "Extracting default disk image..."
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gzip -cd /rq0.dsk.gz > "/mnt/$DISK_FILENAME" || { echo "Failed to extract default disk image to /mnt/$DISK_FILENAME"; exit 1; }
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fi
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# Start CoreDNS as soon as possible after validations done
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echo "Starting CoreDNS..."
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[ -z "$COREDNS_DEBUG" ] && COREDNS_QUIET="-quiet"
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coredns "$COREDNS_QUIET" -conf /Corefile &
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2023-10-26 01:25:51 +00:00
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# Set exit command only if NOEXIT not set
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[ -z "$NOEXIT" ] && EXIT_CMD="exit" || EXIT_CMD=""
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2023-10-30 09:12:32 +00:00
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echo "Configuring simh..."
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2023-10-26 01:25:51 +00:00
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sed -e "s/<DISK_FILENAME>/${DISK_FILENAME}/" \
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-e "s/<EXIT>/${EXIT_CMD}/" /boot.ini.template > /boot.ini
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2023-10-30 09:12:32 +00:00
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echo "Configuring networking..."
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[ -z "$CIDR" ] && CIDR=28
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[ -z "$HOSTIP" ] && HOSTIP=1.3.3.1
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[ -z "$PDPIP" ] && PDPIP=1.3.3.7
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2023-10-26 01:25:51 +00:00
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ip tuntap add pdp mode tap
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ip link set pdp up
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2023-10-30 09:12:32 +00:00
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ip addr add "${HOSTIP}/${CIDR}" dev pdp
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iptables -t nat -A PREROUTING ! -i pdp -p tcp --dport 4000 -j ACCEPT # dz serial device
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iptables -t nat -A PREROUTING ! -i pdp -j DNAT --to-destination "$PDPIP"
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2023-10-26 01:25:51 +00:00
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iptables -t nat -A POSTROUTING ! -o pdp -j MASQUERADE
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2023-10-30 09:12:32 +00:00
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echo "Booting PDP-11..."
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2023-10-26 01:25:51 +00:00
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pdp11 /boot.ini
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