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#!/usr/bin/env bash
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# vim:ts=4:sts=4:sw=4:et
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# args: google.com
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#
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# Author: Hari Sekhon
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# Date: 2019-04-11 18:48:01 +0100 (Thu, 11 Apr 2019)
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#
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# https://github.com/harisekhon/bash-tools
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#
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# License: see accompanying Hari Sekhon LICENSE file
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#
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# If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
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#
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# https://www.linkedin.com/in/harisekhon
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#
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set -euo pipefail
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[ -n "${DEBUG:-}" ] && set -x
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srcdir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# shellcheck disable=SC1090
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. "$srcdir/lib/utils.sh"
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# shellcheck disable=SC2034
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usage_description="
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Dumps the SSL certificate blocks for hosts given as arguments, using OpenSSL
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Port defaults to 443 if not given
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"
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# used by usage() in lib/utils.sh
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# shellcheck disable=SC2034
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usage_args="host1[:port] [ host2:[:port]] [host3:[port]] ... ]"
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help_usage "$@"
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min_args 1 "$@"
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for host in "$@"; do
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host_port="$host"
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if ! [[ "$host_port" =~ : ]]; then
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host_port="$host_port:443"
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fi
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#if ! openssl s_client -connect "$host_port" </dev/null 2>/dev/null | sed -n '/BEGIN/,/END/p'; then
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# echo "ERROR connecting to $host_port"
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# exit 1
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#fi
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# sed returns 1
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openssl s_client -connect "$host_port" </dev/null 2>/dev/null | sed -n '/BEGIN/,/END/p' || :
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done
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