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#!/bin/sh
# Copyright 2021 Mitchell Riedstra
#
# Permission to use, copy, modify, and/or distribute this software for any purpose
# with or without fee is hereby granted, provided that the above copyright notice
# and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
# FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
# OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
# TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
# THIS SOFTWARE.
#
# Example storage plugin that's compatible with the original password
# store
set -e
PASSWORD_STORE_DIR="${PASSWORD_STORE_DIR:-$HOME/.password-store}"
PASSWORD_STORE_KEY="${PASSWORD_STORE_KEY:-}"
USE_GIT=0
[ -e "${PASSWORD_STORE_DIR}/.git" ] && USE_GIT=1
umask "${PASSWORD_STORE_UMASK:-077}"
__gpg_opts="-q -z0"
# Helper functions
_git_commit() {
[ $USE_GIT -eq 0 ] && return
cd "${PASSWORD_STORE_DIR}"
git add --all
git commit -am "DPW Auto-commit: $1"
}
_set_gpg_id() {
if [ -n "$PASSWORD_STORE_KEY" ] ; then
PASSWORD_STORE_KEY="$(echo "$PASSWORD_STORE_KEY" | tr ' ' '\n' \
| sed -e's/^/ -r/' | tr '\n' ' ')"
return
fi
_pth="$1"; shift
_pth="${PASSWORD_STORE_DIR}/$_pth"
id_file="$(dirname "${_pth}")/.gpg-id"
while true ; do
# Break if id_file is above our password store directory
case $id_file in
${PASSWORD_STORE_DIR}*) ;;
*) break ;;
esac
if [ -e "$id_file" ] ; then
keys=""
while read -r key ; do
keys="$keys -r $key"
done < "$id_file"
export PASSWORD_STORE_KEY="$keys"
return
fi
# Pop this up a directory level for the next time 'round
id_file="$(dirname "$id_file")"
id_file="$(dirname "$id_file")/.gpg-id"
done
echo "No '.gpg-id' files found, is '$PASSWORD_STORE_DIR' initialized?"
exit 1
}
# Interface
show() {
pth="$1"; shift
#shellcheck disable=SC2086
exec gpg $__gpg_opts -d < "${PASSWORD_STORE_DIR}/${pth}.gpg"
}
insert() {
pth="$1"; shift
_set_gpg_id "$pth"
mkdir -p "$PASSWORD_STORE_DIR/$(dirname "$pth")"
#shellcheck disable=SC2086
gpg $__gpg_opts -e ${PASSWORD_STORE_KEY} \
> "${PASSWORD_STORE_DIR}/${pth}.gpg"
_git_commit "Insert: $pth"
}
list() {
find "$PASSWORD_STORE_DIR/$1" -type f -iname "*.gpg" \
| while read -r line ; do
line="${line##$PASSWORD_STORE_DIR}"
line="${line#/}"
line="${line#/}"
line="${line%.gpg}"
echo "$line"
done
}
remove() {
cd "$PASSWORD_STORE_DIR"
recursive=
force=
while [ $# -gt 0 ] ; do case $1 in
-r) recursive="-r" ; shift ;;
-f) force="-f" ; shift ;;
-rf|-fr) recursive="-r" ; force="-f" ; shift ;;
*) break ;;
esac ; done
files=
for fn in "$@" ; do
if [ -e "${fn}.gpg" ] ; then
files="${fn}.gpg
"
else
files="$fn
"
fi
done
#shellcheck disable=SC2086
rm $recursive $force $files
_git_commit "Remove: $*"
}
_init_help() {
cat <<EOF
usage: $0 [--no-git] <GPG IDs>...
EOF
exit 1
}
_init() {
USE_GIT=1
if [ -d "${PASSWORD_STORE_DIR}" ] ; then
echo "Cannot init new password store, one exists"
exit 1
fi
while [ $# -gt 0 ] ; do case $1 in
--no-git) USE_GIT=0 ; shift ;;
-h|--help) _init_help ;;
*) break ;;
esac ; done
if [ $# -eq 0 ] ; then
echo "No GPG id supplied, bailing"
exit 1
fi
mkdir -p "${PASSWORD_STORE_DIR}"
cd "${PASSWORD_STORE_DIR}"
if [ $USE_GIT -eq 1 ] ; then
git init
cat >> .git/config <<EOF
[diff "gpg"]
binary = true
textconv = gpg --no-tty --decrypt
EOF
echo "*.gpg diff=gpg" >> .gitattributes
fi
for id in "$@" ; do
echo "$id" >> .gpg-id
done
_git_commit
echo "Password store initialized"
}
act="$1"; shift
case $act in
show) show "$@" ;;
list) list "$@" ;;
insert) insert "$@" ;;
rm) remove "$@" ;;
init) _init "$@" ;;
*) echo "Bad command $act"; exit 1; ;;
esac
|
