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|
#!/bin/bash
umask 077
PREFIX="$HOME/.password-store"
ID="$PREFIX/.gpg-id"
GIT="$PREFIX/.git"
export GIT_DIR="$GIT"
export GIT_WORK_TREE="$PREFIX"
usage() {
cat <<_EOF
Password Store
by Jason Donenfeld
Jason@zx2c4.com
Usage:
$program init gpg-id
Initialize new password storage and use gpg-id for encryption.
$program [ls] [subfolder]
List passwords.
$program [show] [--clip,-c] pass-name
Show existing password and optionally put it on the clipboard.
If put on the clipboard, it will be cleared in 45 seconds.
$program insert [--multiline,-m] pass-name
Insert new optionally multiline password.
$program generate [--no-symbols,-n] [--clip,-c] pass-name pass-length
Generate a new password of pass-length with optionally no symbols.
Optionally put it on the clipboard and clear board after 45 seconds.
$program remove pass-name
Remove existing password.
$program push
If the password store is a git repository, push the latest changes.
$program pull
If the password store is a git repository, pull the latest changes.
$program help
Show this text.
_EOF
}
isCommand() {
case "$1" in
init|ls|show|insert|generate|remove|push|pull|help) return 0 ;;
*) return 1 ;;
esac
}
clip() {
# This base64 business is a disgusting hack to deal with newline inconsistancies
# in shell. There must be a better way to deal with this, but because I'm a dolt,
# we're going with this for now.
before="$(xclip -o -selection clipboard | base64)"
echo -n "$1" | xclip -selection clipboard
(
sleep 45s
now="$(xclip -o -selection clipboard | base64)"
if [[ $now != $(echo -n "$1" | base64) ]]; then
before="$now"
fi
# It might be nice to programatically check to see if klipper exists,
# as well as checking for other common clipboard managers. But for now,
# this works fine. Clipboard managers frequently write their history
# out in plaintext, so we axe it here.
qdbus org.kde.klipper /klipper org.kde.klipper.klipper.clearClipboardHistory >/dev/null 2>&1
echo "$before" | base64 -d | xclip -selection clipboard
) & disown
echo "Copied $2 to clipboard. Will clear in 45 seconds."
}
program="$0"
command="$1"
if isCommand "$command"; then
shift
else
command="show"
fi
case "$command" in
init)
if [[ $# -ne 1 ]]; then
echo "Usage: $program $command gpg-id"
exit 1
fi
gpg_id="$1"
mkdir -v -p "$PREFIX"
echo "gpg_id" > "$ID"
echo "Password store initialized for gpg_id."
exit 0
;;
help)
usage
exit 0
;;
esac
if ! [[ -f $ID ]]; then
echo "You must run:"
echo " $0 init your-gpg-id"
echo "before you may use the password store."
echo
usage
exit 1
else
ID="$(head -n 1 "$ID")"
fi
case "$command" in
show|ls)
clip=0
if [[ $1 == "--clip" || $1 == "-c" ]]; then
clip=1
shift
fi
path="$1"
if [[ -d $PREFIX/$path ]]; then
if [[ $path == "" ]]; then
echo "Password Store"
else
echo $path
fi
tree "$PREFIX/$path" | tail -n +2 | head -n -2 | sed 's/\(.*\)\.gpg$/\1/';
else
passfile="$PREFIX/$path.gpg"
if ! [[ -f $passfile ]]; then
echo "$path is not in the password store."
exit 1
fi
if [ $clip -eq 0 ]; then
exec gpg -q -d "$passfile"
else
clip $(gpg -q -d "$passfile") $path
fi
fi
;;
insert)
ml=0
if [[ $1 == "--multiline" || $1 == "-m" ]]; then
ml=1
shift
fi
if [[ $# -ne 1 ]]; then
echo "Usage: $program $command [--multiline,-m] pass-name"
exit 1
fi
path="$1"
mkdir -p -v "$PREFIX/$(dirname "$path")"
passfile="$PREFIX/$path.gpg"
if [[ $ml -eq 0 ]]; then
echo -n "Enter password for $path: "
head -n 1 | gpg -e -r "$ID" > "$passfile"
else
echo "Enter contents of $path and press Ctrl+D when finished:"
echo
cat | gpg -e -r "$ID" > "$passfile"
fi
if [[ -d $GIT ]]; then
git add "$passfile"
git commit -m "Added given password for $path to store."
fi
;;
generate)
clip=0
symbols="-y"
while true; do
if [[ $1 == "--no-symbols" || $1 == "-n" ]]; then
symbols=""
shift
elif [[ $1 == "--clip" || $1 == "-c" ]]; then
clip=1
shift
else
break
fi
done
if [[ $# -ne 2 ]]; then
echo "Usage: $program $command [--no-symbols,-n] [--clip,-c] pass-name pass-length"
exit 1
fi
path="$1"
length="$2"
if ! [[ $length =~ ^[0-9]+$ ]]; then
echo "pass-length \"$length\" must be a number."
exit 1
fi
mkdir -p -v "$PREFIX/$(dirname "$path")"
pass="$(pwgen -s $symbols $length 1)"
passfile="$PREFIX/$path.gpg"
echo $pass | gpg -e -r "$ID" > "$passfile"
if [[ -d $GIT ]]; then
git add "$passfile"
git commit -m "Added generated password for $path to store."
fi
if [ $clip -eq 0 ]; then
echo "The generated password to $path is:"
echo "$pass"
else
clip "$pass" "$path"
fi
;;
remove)
if [[ $# -ne 1 ]]; then
echo "Usage: $program $command pass-name"
exit
fi
path="$1"
passfile="$PREFIX/$path.gpg"
if ! [[ -f $passfile ]]; then
echo "$path is not in the password store."
exit 1
fi
rm -i -v "$passfile"
if [[ -d $GIT ]] && ! [[ -f $passfile ]]; then
git rm -f "$passfile"
git commit -m "Removed $path from store."
fi
;;
push|pull)
if [[ -d $GIT ]]; then
exec git $command $@
else
echo "Error: the password store is not a git repository."
exit 1
fi
;;
*)
usage
exit 1
;;
esac
exit 0
|
