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bb3f4a8f6c
- yamllint - shfmt config - fix Go bin path - fix git credentials config - add nvm default packages - updated Brewfile
107 lines
2.5 KiB
Bash
Executable File
107 lines
2.5 KiB
Bash
Executable File
#!/bin/sh
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#
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# About
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# -----
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# Check the expiry date of the SSL certificate on the given host.
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#
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# License
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# -------
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# Copyright (c) 2013-2015 by Steve Kemp. All rights reserved.
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#
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# This script is free software; you can redistribute it and/or modify it under
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# the same terms as Perl itself.
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#
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# The LICENSE file contains the full text of the license.
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# Simple function to show usage information, and exit.
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usage()
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{
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echo "Usage: $0 [-d] [-p 443] domain1.org domain2.com .. domainN"
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exit 0
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}
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# Default settings for flags set by the command-line arguments
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days=0
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port=443
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# Parse the argument(s) - i.e. look for "-d" / "-p 443".
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while getopts "h?dp:" opt; do
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case $opt in
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h)
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usage
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;;
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\?)
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usage
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;;
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d)
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days=1
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;;
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p)
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port=$OPTARG
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;;
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esac
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done
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shift $((OPTIND - 1))
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# Ensure we have some arguments
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if [ "$#" = "0" ]; then
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usage
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fi
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# For each domain-name on the command-line.
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for name in "$@"; do
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# Make a temporary file
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# Test if we have BSD or GNU version of mktemp
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if (strings "$(which mktemp)" | grep -q GNU); then
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# We have the GNU version
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tmp=$(mktemp)
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else
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# We have the BSD version
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tmp=$(mktemp -t tmp)
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fi
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# Download the certificate
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if (! echo "" | openssl s_client -connect "$name:$port" > "$tmp" 2> /dev/null); then
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echo "Failed to get cert from https://$name:$port/"
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exit 3
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fi
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# Get the expiry date
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date=$(openssl x509 -in "$tmp" -noout -enddate | awk -F= '{print $2}')
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# Remove the temporary file
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rm -f "$tmp"
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# Convert the expiry date + todays date to seconds-past epoch
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# Check if we have the BSD or the GNU version of date
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if (strings "$(which date)" | grep -q GNU); then
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# We have GNU this is easy
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then=$(date --date "$date" +%s)
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else
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# We have BSD now it is getting complicated
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year=$(echo "$date" | awk '{print $4}')
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month=$(echo "$date" | awk '{print $1}')
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day=$(echo "$date" | awk '{print $2}')
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hour=$(echo "$date" | awk '{print $3}' | awk -F: '{print $1}')
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minute=$(echo "$date" | awk '{print $3}' | awk -F: '{print $2}')
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second=$(echo "$date" | awk '{print $3}' | awk -F: '{print $3}')
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then=$(date -v${year}y -v${month} -v${day}d -v${hour}H -v${minute}M -v${second}S -u +%s)
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fi
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now=$(date +%s)
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# Day diff
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diff=$(("$then" - "$now"))
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diff=$($diff / 86400)
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# All done
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if [ "$days" = "1" ]; then
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echo "${name}: ${diff}"
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else
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echo "$name"
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echo " Expires: ${date}"
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echo " Days: ${diff}"
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fi
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done
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