remote_screenshot

#!/bin/bash

# TODO: make fwknop optional

if [ "z$1" = "z" ]; then
        echo "Usage: $(basename "$0") hostname"
        exit 1
fi

TARGET_HOST="$1"
TARGET_DISPLAY=":0.0"

# Take the screenshot
#fwknop --quiet --Last-host "$TARGET_HOST"
SCREENSHOT_FILE="$(ssh "$TARGET_HOST" mktemp screenshotXXXXXXXX).jpg"
stty -echo
# shellcheck disable=SC2029
ssh "$TARGET_HOST" rm "$(basename "$SCREENSHOT_FILE" .jpg)" \&\& sudo -S DISPLAY="$TARGET_DISPLAY" import -window root "$SCREENSHOT_FILE" || (stty echo && exit 2)
echo
stty echo

# Copy the screenshot over
OUTPUT_FILE="$(mktemp ./screenshotXXXXXXXX).jpg"
rm "$(basename "$OUTPUT_FILE" .jpg)"
#fwknop --quiet --Last-host "$TARGET_HOST"
scp "$TARGET_HOST:$SCREENSHOT_FILE" "$OUTPUT_FILE"

# Delete screenshot from remote server
#fwknop --quiet --Last-host "$TARGET_HOST"
# shellcheck disable=SC2029
ssh "$TARGET_HOST" sudo rm "$SCREENSHOT_FILE"