Created
October 18, 2017 14:23
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small perl script to connect to an ssl server, extract certs and import in local trust chain
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#!/usr/bin/env perl | |
use strict; | |
use warnings; | |
use Data::Dumper; | |
my $host = $ARGV[0]; | |
my $port = $ARGV[1] || 443; | |
my $export_file = $ARGV[2] || "/etc/pki/trust/anchors/$host.pem"; | |
die "You must be root to run this script\n" if ($>); | |
die "No host given\nUsage: $0 <host> [port] [export_file]\n" if not $host; | |
my @out = `echo Q|openssl s_client -showcerts -connect $host:$port`; | |
my $cnt = 0; | |
my $in = 0; | |
my @certs; | |
foreach my $line (@out) { | |
$in =1 if ($line eq "-----BEGIN CERTIFICATE-----\n") { | |
$certs[$cnt] .= $line if ($in); | |
if ($line eq "-----END CERTIFICATE-----\n") { | |
$in=0; | |
$cnt++; | |
} | |
} | |
open(my $fh, '>', $export_file); | |
print $fh $_ for @certs; | |
close $fh; | |
system("update-ca-certificates"); | |
exit 0; |
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