#!/bin/bash
#
# Keyringer key management system.
#
# Copyright (C) 2010 Silvio Rhatto - rhatto at riseup.net
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see .
#
function keyringer_init {
BASEDIR="$3"
URL="$4"
RECIPIENTS="$BASEDIR/config/recipients"
OPTIONS="$BASEDIR/config/options"
# Parse
if [ -z "$BASEDIR" ]; then
echo "Usage: $BASENAME init [url]"
exit 1
elif grep -q -e "^$KEYRING=" $CONFIG; then
echo "Keyring $KEYRING already defined"
exit 1
fi
# Setup
if [ ! -z "$URL" ]; then
git clone "$URL" "$BASEDIR"
if [ "$?" != "0" ]; then
echo "Error cloning remote $URL"
exit 1
fi
else
if [ -e "$BASEDIR" ]; then
if [ ! -d "$BASEDIR/keys" ] || [ ! -e "$RECIPIENTS" ]; then
echo "Invalid keyring $BASEDIR: incomplete installation"
exit 1
fi
else
# Setup folders
mkdir -p "$BASEDIR/"{config,keys}
# Setup recipients
echo "# Use entries in the form of 'john@doe.com XXXXXXXX" > "$RECIPIENTS"
echo "" >> "$RECIPIENTS"
# Setup options
touch "$OPTIONS"
# Setup README
echo "Keyring repository powered by http://git.sarava.org/?p=keyringer.git;a=summary" > "$BASEDIR/README"
echo "" >> "$BASEDIR/README"
fi
# Secure
chmod 600 "$RECIPIENTS"
fi
# Reparse basedir to force absolute folder
BASEDIR="`cd $BASEDIR && pwd`"
# Add entry
chmod 700 "$BASEDIR"
echo "$KEYRING=\"$BASEDIR\"" >> "$CONFIG"
# Init
if ! keyringer_is_git "$BASEDIR"; then
keyringer_exec git "$BASEDIR" init
keyringer_exec git "$BASEDIR" add .
keyringer_exec git "$BASEDIR" commit -m Importing
fi
}
function keyringer_dispatch {
BASEDIR="`keyringer_config $KEYRING`"
# Dispatch
if [ ! -z "$BASEDIR" ]; then
shift 2
keyringer_exec "$ACTION" "$BASEDIR" $*
exit $?
else
echo "No keydir configured for $KEYRING"
exit 1
fi
}
function keyringer_preferences {
COMMAND="$3"
if [ -z "$COMMAND" ]; then
echo "Usage: keyringer `basename $0` [arguments]"
exit 1
fi
# Create options file if old repository
if [ ! -e "$PREFERENCES" ]; then
echo "Creating preferences file..."
touch "$PREFERENCES"
fi
if [ "$COMMAND" == "ls" ]; then
cat "$PREFERENCES"
elif [ "$COMMAND" == "edit" ]; then
"$EDITOR" "$PREFERENCES"
elif [ "$COMMAND" == "add" ]; then
shift 3
echo $* >> "$PREFERENCES"
else
printf "%s: No such command %s\n" "$BASENAME" "$COMMAND"
exit 1
fi
}
# Config
NAME="keyringer"
CONFIG="$HOME/.$NAME/config"
BASENAME="`basename $0`"
KEYRING="$1"
ACTION="$2"
ACTIONS="`dirname $(readlink -f $0)`/share/$NAME"
# Export preferences for other scripts
export PREFERENCES="`dirname $CONFIG`/$KEYRING"
# Load functions
LIB="`dirname $(readlink -f $0)`/lib/$NAME/functions"
source "$LIB" || exit 1
# Setup main configuration and load preferences
keyringer_config_load
if [ -z "$ACTION" ]; then
printf "Usage: %s [arguments]\n" "$BASENAME"
printf "Available commands: \n"
ls $ACTIONS | sed -e 's/^/\t/'
exit 1
fi
if [ "$ACTION" == "init" ]; then
keyringer_init $*
elif [ "$ACTION" == "preferences" ]; then
keyringer_preferences $*
elif keyringer_has_action "$ACTION"; then
keyringer_dispatch $*
else
echo "No such action $ACTION"
exit 1
fi