76 lines
1.7 KiB
Bash
Executable file
76 lines
1.7 KiB
Bash
Executable file
#!/bin/bash
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COLOR_RED="\033[0;31m"
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COLOR_GREEN="\033[0;32m"
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COLOR_CYAN="\033[0;36m"
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COLOR_PLAIN="\033[0m"
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function error {
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echo -e "${COLOR_RED}$@${COLOR_PLAIN}"
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}
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function success {
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echo -e "${COLOR_GREEN}$@${COLOR_PLAIN}"
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}
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function info {
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echo -e "${COLOR_CYAN}$@${COLOR_PLAIN}"
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}
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if ! ( which vault > /dev/null ); then
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error "vault is required."
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exit 2
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fi
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# Require something to be passed to this command
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if [ $# -eq 0 ]; then
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error "You need to specify a key name."
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exit 2
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fi
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for KEY_NAME in $@; do
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KEYNAME_IN=${KEY_NAME}
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# Try to find the passed key path / name
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if ! [ -e "${KEY_NAME}" ]; then
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if [ -e "${HOME}/.ssh/${KEY_NAME}" ]; then
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KEY_NAME="${HOME}/.ssh/${KEY_NAME}"
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else
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error "[${KEYNAME_IN}] Could not find key file."
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continue
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fi
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fi
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# If this key is already in the agent we don't need to do anything
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if ( ssh-add -l | grep -q "${KEY_NAME}" ); then
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info "[${KEYNAME_IN}] Key already present."
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continue
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fi
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# Retrieve key from LastPass
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PWD=$(vault read -field=passphrase "/secret/ssh-key/$(basename ${KEY_NAME})")
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# In case LastPass exitted non-zero we have no password
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if ! [ $? -eq 0 ]; then
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error "[${KEYNAME_IN}] Unable to get password. Not trying to unlock."
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continue
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fi
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# Fill password to ssh-add utility
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expect <<EOF >/dev/null
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spawn ssh-add ${KEY_NAME}
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expect "Enter passphrase"
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send "$PWD\n"
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expect eof
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EOF
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# Check whether the key was added to the agent
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if ( ssh-add -l | grep -q "${KEY_NAME}" ); then
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success "[${KEYNAME_IN}] Key successfully added."
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continue
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else
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error "[${KEYNAME_IN}] Found passphrase but could not add key."
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continue
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fi
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done
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