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d31c3f4d Ondřej Fibich
#!/bin/bash
################################################################################
# #
# Author: Michal Kliment, Ondrej Fibich #
# Description: This script updates public SSH keys of admins of the device #
# given by his freenetIS ID. #
# #
# Version: 0.2.0 #
# #
################################################################################

CONFIG=/etc/freenetis/freenetis-ssh-keys.conf

# Load variables
if [ -e $CONFIG ]; then
. $CONFIG || true
TMPFILE="/tmp/"$AUTHORIZED_KEYS
else
echo "`date -R` Config file is missing at path $CONFIG. Terminating..."
exit 0
fi

# check config
if [[ ! "$DEVICE_ID" =~ ^[0-9]+$ ]] || [ $DEVICE_ID -lt 1 ]; then
echo "[ERROR] `date -R` Wrong configuration (ID not set properly)"
exit 1
fi

# SSH config folder
mkdir -p "$HOME/.ssh/"
chmod 0700 "$HOME/.ssh/"

# download
rm -f "$TMPFILE"
echo "[INFO] `date -R` Downloading public SSH keys from (${PATH_FN})"
status=`wget --no-check-certificate --server-response -q "$FULL_PATH" -O "$TMPFILE" 2>&1 | awk '/^ HTTP/{print $2}'`

# check download
if [ "$status" = "200" ]; then
# change keys
if [ $(cat "$TMPFILE" 2> /dev/null | wc -l) -gt 2 ]; then
echo "[INFO] `date -R` Downloaded (code: $status)"
echo "[INFO] `date -R` Backuping old keys to $HOME/.ssh/$AUTHORIZED_KEYS.old"
mv -f "$HOME/.ssh/$AUTHORIZED_KEYS" "$HOME/.ssh/$AUTHORIZED_KEYS.old"
echo "[INFO] `date -R` Loading bew keys to $HOME/.ssh/$AUTHORIZED_KEYS..."
mv -f "$TMPFILE" "$HOME/.ssh/$AUTHORIZED_KEYS"
else
echo "[ERROR] `date -R` Empty response body -> keeping old configuration"
fi
else
echo "[ERROR] `date -R` Download failed (code: $status)"
fi