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https://github.com/mail-in-a-box/mailinabox.git
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46 lines
1.3 KiB
Bash
Executable File
46 lines
1.3 KiB
Bash
Executable File
#!/bin/bash
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source "ehdd/ehdd_funcs.sh" || exit 1
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if [ "$1" == "" ]; then
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echo "usage: $0 <size-in-gb>"
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echo -n " hdd image location: $EHDD_IMG"
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if [ -e "$EHDD_IMG" ]; then echo " (exists!)"; else echo ""; fi
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exit 1
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elif [ "$1" == "-location" ]; then
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echo "$EHDD_IMG"
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exit 0
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elif [ "$1" == "-mountpoint" ]; then
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echo "$EHDD_MOUNTPOINT"
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exit 0
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fi
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EHDD_SIZE_GB="$1"
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if [ ! -e "$EHDD_IMG" ]; then
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echo "Creating ${EHDD_SIZE_GB}G encryped drive: $EHDD_IMG"
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let count="$EHDD_SIZE_GB * 1024"
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[ $count -eq 0 ] && echo "Invalid size" && exit 1
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apt-get -q=2 -y install cryptsetup || exit 1
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dd if=/dev/zero of="$EHDD_IMG" bs=1M count=$count || exit 1
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loop=$(find_unused_loop)
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losetup $loop "$EHDD_IMG" || exit 1
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if ! cryptsetup luksFormat $(keyfile_option) --batch-mode -i 15000 $loop; then
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losetup -d $loop
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rm -f "$EHDD_IMG"
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exit 1
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fi
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echo ""
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echo "NOTE: You will need to reenter your drive encryption password"
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cryptsetup luksOpen $(keyfile_option) $loop $EHDD_LUKS_NAME # map device to /dev/mapper/NAME
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mke2fs -j /dev/mapper/$EHDD_LUKS_NAME
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# sleep a brief time to avoid "device busy"
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sleep 2
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cryptsetup luksClose $EHDD_LUKS_NAME
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losetup -d $loop
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else
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echo "ERROR: $EHDD_IMG already exists!"
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exit 1
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fi
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