freenetis-ssh-keys-github/freenetis-ssh-keys-sync.sh @ d31c3f4d
| d31c3f4d | Ondřej Fibich | #!/bin/bash
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################################################################################
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# #
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# Author: Michal Kliment, Ondrej Fibich #
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# Description: This script updates public SSH keys of admins of the device #
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# given by his freenetIS ID. #
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# #
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# Version: 0.2.0 #
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# #
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################################################################################
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CONFIG=/etc/freenetis/freenetis-ssh-keys.conf
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# Load variables
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if [ -e $CONFIG ]; then
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. $CONFIG || true
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TMPFILE="/tmp/"$AUTHORIZED_KEYS
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else
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echo "`date -R` Config file is missing at path $CONFIG. Terminating..."
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exit 0
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fi
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# check config
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if [[ ! "$DEVICE_ID" =~ ^[0-9]+$ ]] || [ $DEVICE_ID -lt 1 ]; then
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echo "[ERROR] `date -R` Wrong configuration (ID not set properly)"
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exit 1
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fi
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# SSH config folder
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mkdir -p "$HOME/.ssh/"
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chmod 0700 "$HOME/.ssh/"
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# download
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rm -f "$TMPFILE"
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echo "[INFO] `date -R` Downloading public SSH keys from (${PATH_FN})"
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status=`wget --no-check-certificate --server-response -q "$FULL_PATH" -O "$TMPFILE" 2>&1 | awk '/^ HTTP/{print $2}'`
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# check download
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if [ "$status" = "200" ]; then
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# change keys
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if [ $(cat "$TMPFILE" 2> /dev/null | wc -l) -gt 2 ]; then
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echo "[INFO] `date -R` Downloaded (code: $status)"
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echo "[INFO] `date -R` Backuping old keys to $HOME/.ssh/$AUTHORIZED_KEYS.old"
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mv -f "$HOME/.ssh/$AUTHORIZED_KEYS" "$HOME/.ssh/$AUTHORIZED_KEYS.old"
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echo "[INFO] `date -R` Loading bew keys to $HOME/.ssh/$AUTHORIZED_KEYS..."
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mv -f "$TMPFILE" "$HOME/.ssh/$AUTHORIZED_KEYS"
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else
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echo "[ERROR] `date -R` Empty response body -> keeping old configuration"
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fi
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else
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echo "[ERROR] `date -R` Download failed (code: $status)"
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fi
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