51 lines
1.6 KiB
Bash
Executable File
51 lines
1.6 KiB
Bash
Executable File
#!/bin/bash
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#Maintained by Linux Operations - Russ Long - <rlong@nabancard.com>
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#Set variables
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keyname=${1}
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username=${2}
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hostname=${3}
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keyfile=$HOME/.ssh/${keyname}-$(date "+%s")
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pubkeyfile=$HOME/.ssh/${keyname}-$(date "+%s").pub
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#Check to see if user is logged in to lastpass cli
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if lpass status | grep -q "Logged in as"; then
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echo "Logged in to Lastpass, continuing..."
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else
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echo "Please login with 'lpass login email@address.com'"
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exit 1
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fi
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#Fetch private key and place in /home/$user/.ssh/$keyname-datetime
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lpass show $keyname --field="Private Key" > $keyfile
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chmod 0600 $keyfile
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#Fetch public Key and place in /home/$user/.ssh/$keyname-datetime.pub
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lpass show $keyname --field="Public Key" > $pubkeyfile
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#Ask user if they wish to remove old keys
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read -r -p "Do you wish to remove ALL other ssh keys for your user on $hostname? [Y/n]" removeresponse
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removeresponse=${removeresponse,,} #tolower
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if [ -z $removeresponse ]; then
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removeresponse="y"
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fi
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if [ $removeresponse = "y" ] || [ $removeresponse = "yes" ]; then
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echo "ALL Old keys being removed for your user, authorized_keys file on $hostname being backed up first."
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ssh $hostname "cp .ssh/authorized_keys{,.bak} && cat /dev/null > .ssh/authorized_keys"
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else
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echo "Something other than Yes was entered..."
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echo ""
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echo "Old keys will remain in place, please audit your authorized_keys file frequently!"
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echo ""
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echo "You may be prompted for your key passphrase for the key to be copied."
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echo ""
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fi
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#Add the key to ssh-agent
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echo "Copying id to $hostname, you may be asked to authenticate to SSH."
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ssh-copy-id -i $pubkeyfile $username@$hostname
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#Remove keyfiles
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rm -f $keyfile
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rm -f $pubkeyfile
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