用于启动eCryptfs加密的Upstart脚本

时间:2014-08-07 16:54:42

标签: ubuntu encryption upstart ecryptfs

我使用eCryptfs通过以下方式挂载和加密特定目录:

mount -t ecryptfs /secure /secure -o ecryptfs_unlink_sigs,ecryptfs_key_bytes=16,ecryptfs_cipher=aes

我已经看过使用fstab在启动时使用ecryptfs自动挂载的示例。

我想知道这是否可能/明智地将其作为新手脚本执行,以便可以根据需要执行并进行测试?

理想情况下,它会在依赖于加密目录的其他Upstart脚本之前运行。

1 个答案:

答案 0 :(得分:0)

请检查ruxkor's gistoriginalsuperuser)上的以下脚本:

#!/bin/bash

# ecryptFS mount script
# taken and slightly modified version
# original at https://superuser.com/questions/227713/ecryptfs-how-to-mount-a-backup-of-an-encrypted-home-dir

# ROOT should be the parent of the .ecryptfs and .Private folders
if [ ! -d "$1" -o "$2" == "" ]; then
    echo "usage: $0 /home/.ecryptfs/USER /mnt/USER"
    exit 1
fi

ROOT=$1
TARGET=$2

sudo mkdir -p $TARGET
cd $ROOT

echo Type your password:
PASS=$(ecryptfs-unwrap-passphrase .ecryptfs/wrapped-passphrase | sed s/Passphrase:\ //)
SIG1=$(head -n1 .ecryptfs/Private.sig)
SIG2=$(tail -n1 .ecryptfs/Private.sig)

echo Passphrase:
echo $PASS
echo Signatures:
echo $SIG1
echo $SIG2

echo Should be empty:
sudo keyctl clear @u
sudo keyctl list @u

echo Do not type anything:
echo $PASS | sudo ecryptfs-add-passphrase --fnek

echo Sould have signatures:
sudo keyctl list @u

echo Mounting $ROOT on $TARGET...
sudo mount -t ecryptfs -o key=passphrase,ecryptfs_cipher=aes,ecryptfs_key_bytes=16,ecryptfs_passthrough=no,ecryptfs_enable_filename_crypto=yes,ecryptfs_sig=$SIG1,ecryptfs_fnek_sig=$SIG2,passwd=$(echo $PASS) .Private $TARGET

ls $TARGET

您可以将此脚本扩展为使用参数化密码,例如:

ecryptfs-unwrap-passphrase .ecryptfs/wrapped-passphrase PASS

或:

printf "%s" "wrapping passphrase" | ecryptfs-unwrap-passphrase [file] -

根据需要修改脚本。