64 lines
1.5 KiB
Bash
Executable File
64 lines
1.5 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
set -e
|
|
set -o pipefail
|
|
|
|
source "${HOME}/bin/script_framework.sh"
|
|
|
|
if ! ( which vault > /dev/null ); then
|
|
error "vault is required."
|
|
exit 2
|
|
fi
|
|
|
|
# Require something to be passed to this command
|
|
if [ $# -eq 0 ]; then
|
|
error "You need to specify a key name."
|
|
exit 2
|
|
fi
|
|
|
|
# Create a helper script to send STDIN data to ssh-add
|
|
HELPER=$(mktemp)
|
|
chmod 0700 ${HELPER}
|
|
trap "rm ${HELPER}" EXIT
|
|
|
|
cat -s <<EOF > ${HELPER}
|
|
#!/bin/bash
|
|
vault read -field=private "/secret/ssh-key/\$1" | exec ssh-add -t 3600 -
|
|
EOF
|
|
|
|
for KEY_NAME in $@; do
|
|
fingerprint=$(vault read -field=public "/secret/ssh-key/$1" | ssh-keygen -l -f -)
|
|
|
|
# If this key is already in the agent we don't need to do anything
|
|
if ( ssh-add -l | grep -q "${fingerprint}" ); then
|
|
info "[${KEY_NAME}] Key already present."
|
|
continue
|
|
fi
|
|
|
|
# Retrieve key from LastPass
|
|
PWD=$(vault read -field=passphrase "/secret/ssh-key/${KEY_NAME}")
|
|
# In case LastPass exitted non-zero we have no password
|
|
if ! [ $? -eq 0 ]; then
|
|
error "[${KEY_NAME}] Unable to get password. Not trying to unlock."
|
|
continue
|
|
fi
|
|
|
|
# Fill password to ssh-add utility
|
|
expect <<EOF >/dev/null
|
|
spawn ${HELPER} ${KEY_NAME}
|
|
|
|
expect "Enter passphrase"
|
|
send "$PWD\n"
|
|
|
|
expect "added:" {exit 0} timeout {exit 1}
|
|
EOF
|
|
|
|
if [ $? -eq 0 ]; then
|
|
info "[${KEY_NAME}] Should be loaded by now."
|
|
vault-patch --log-level=warn secret/ssh-key/${KEY_NAME} last_used=$(date +%Y-%m-%dT%H:%M:%S%z)
|
|
else
|
|
error "[${KEY_NAME}] Was not added successfully."
|
|
fi
|
|
|
|
done
|