29 lines
826 B
Bash
Executable File
29 lines
826 B
Bash
Executable File
#!/bin/bash
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##
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# rs-add-ssh-key
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# Copyright (C) 2013 by Janek Bevendorff
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# Website: http://www.refining-linux.org/
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#
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# Add SSH key to a backup user for passwordless login
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##
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if [ "$1" == "" ] || [ "$2" == "" ] || [ "$3" == "" ]; then
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echo "Usage: $(basename $0) <remote host> <remote username> <ssh public key file>"
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exit
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fi
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. /usr/local/etc/rs-backup/server-config
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home_dir="${BACKUP_ROOT}/${1}-${2}"
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mkdir -p "${home_dir}/.ssh"
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# Add public key to authorized_keys file and restrict shell commands
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echo -n "command=\"/usr/local/bin/rs-run-ssh-cmd '${home_dir}'\" " >> "${home_dir}/.ssh/authorized_keys"
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cat "$3" >> "${home_dir}/.ssh/authorized_keys"
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# Protect SSH config by assigning ownership to root
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chown -R root:root "${home_dir}/.ssh"
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chmod 0755 "${home_dir}/.ssh"
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chmod 0644 "${home_dir}/.ssh/authorized_keys"
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