This file is indexed.

/usr/lib/ssl/misc/tsget is in openssl 1.0.2g-1ubuntu4.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
#!/usr/bin/perl -w
# Written by Zoltan Glozik <zglozik@stones.com>.
# Copyright (c) 2002 The OpenTSA Project.  All rights reserved.
$::version = '$Id: tsget,v 1.1.2.2 2009/09/07 17:57:02 steve Exp $';

use strict;
use IO::Handle;
use Getopt::Std;
use File::Basename;
use WWW::Curl::Easy;

use vars qw(%options);

# Callback for reading the body.
sub read_body {
    my ($maxlength, $state) = @_;
    my $return_data = "";
    my $data_len = length ${$state->{data}};
    if ($state->{bytes} < $data_len) {
	$data_len = $data_len - $state->{bytes};
	$data_len = $maxlength if $data_len > $maxlength;
	$return_data = substr ${$state->{data}}, $state->{bytes}, $data_len;
	$state->{bytes} += $data_len;
    }
    return $return_data;
}

# Callback for writing the body into a variable.
sub write_body {
    my ($data, $pointer) = @_;
    ${$pointer} .= $data;
    return length($data);
}

# Initialise a new Curl object.
sub create_curl {
    my $url = shift;

    # Create Curl object.
    my $curl = WWW::Curl::Easy::new();

    # Error-handling related options.
    $curl->setopt(CURLOPT_VERBOSE, 1) if $options{d};
    $curl->setopt(CURLOPT_FAILONERROR, 1);
    $curl->setopt(CURLOPT_USERAGENT, "OpenTSA tsget.pl/" . (split / /, $::version)[2]);

    # Options for POST method.
    $curl->setopt(CURLOPT_UPLOAD, 1);
    $curl->setopt(CURLOPT_CUSTOMREQUEST, "POST");
    $curl->setopt(CURLOPT_HTTPHEADER,
		["Content-Type: application/timestamp-query",
		"Accept: application/timestamp-reply,application/timestamp-response"]);
    $curl->setopt(CURLOPT_READFUNCTION, \&read_body);
    $curl->setopt(CURLOPT_HEADERFUNCTION, sub { return length($_[0]); });

    # Options for getting the result.
    $curl->setopt(CURLOPT_WRITEFUNCTION, \&write_body);

    # SSL related options.
    $curl->setopt(CURLOPT_SSLKEYTYPE, "PEM");
    $curl->setopt(CURLOPT_SSL_VERIFYPEER, 1);	# Verify server's certificate.
    $curl->setopt(CURLOPT_SSL_VERIFYHOST, 2);	# Check server's CN.
    $curl->setopt(CURLOPT_SSLKEY, $options{k}) if defined($options{k});
    $curl->setopt(CURLOPT_SSLKEYPASSWD, $options{p}) if defined($options{p});
    $curl->setopt(CURLOPT_SSLCERT, $options{c}) if defined($options{c});
    $curl->setopt(CURLOPT_CAINFO, $options{C}) if defined($options{C});
    $curl->setopt(CURLOPT_CAPATH, $options{P}) if defined($options{P});
    $curl->setopt(CURLOPT_RANDOM_FILE, $options{r}) if defined($options{r});
    $curl->setopt(CURLOPT_EGDSOCKET, $options{g}) if defined($options{g});

    # Setting destination.
    $curl->setopt(CURLOPT_URL, $url);

    return $curl;
}

# Send a request and returns the body back.
sub get_timestamp {
    my $curl = shift;
    my $body = shift;
    my $ts_body;
    local $::error_buf;

    # Error-handling related options.
    $curl->setopt(CURLOPT_ERRORBUFFER, "::error_buf");

    # Options for POST method.
    $curl->setopt(CURLOPT_INFILE, {data => $body, bytes => 0});
    $curl->setopt(CURLOPT_INFILESIZE, length(${$body}));

    # Options for getting the result.
    $curl->setopt(CURLOPT_FILE, \$ts_body);

    # Send the request...
    my $error_code = $curl->perform();
    my $error_string;
    if ($error_code != 0) {
        my $http_code = $curl->getinfo(CURLINFO_HTTP_CODE);
	$error_string = "could not get timestamp";
	$error_string .= ", http code: $http_code" unless $http_code == 0;
	$error_string .= ", curl code: $error_code";
	$error_string .= " ($::error_buf)" if defined($::error_buf);
    } else {
        my $ct = $curl->getinfo(CURLINFO_CONTENT_TYPE);
	if (lc($ct) ne "application/timestamp-reply"
	    && lc($ct) ne "application/timestamp-response") {
	    $error_string = "unexpected content type returned: $ct";
        }
    }
    return ($ts_body, $error_string);

}

# Print usage information and exists.
sub usage {

    print STDERR "usage: $0 -h <server_url> [-e <extension>] [-o <output>] ";
    print STDERR "[-v] [-d] [-k <private_key.pem>] [-p <key_password>] ";
    print STDERR "[-c <client_cert.pem>] [-C <CA_certs.pem>] [-P <CA_path>] ";
    print STDERR "[-r <file:file...>] [-g <EGD_socket>] [<request>]...\n";
    exit 1;
}

# ----------------------------------------------------------------------
#   Main program
# ----------------------------------------------------------------------

# Getting command-line options (default comes from TSGET environment variable).
my $getopt_arg =  "h:e:o:vdk:p:c:C:P:r:g:";
if (exists $ENV{TSGET}) {
    my @old_argv = @ARGV;
    @ARGV = split /\s+/, $ENV{TSGET};
    getopts($getopt_arg, \%options) or usage;
    @ARGV = @old_argv;
}
getopts($getopt_arg, \%options) or usage;

# Checking argument consistency.
if (!exists($options{h}) || (@ARGV == 0 && !exists($options{o}))
    || (@ARGV > 1 && exists($options{o}))) {
    print STDERR "Inconsistent command line options.\n";
    usage;
}
# Setting defaults.
@ARGV = ("-") unless @ARGV != 0;
$options{e} = ".tsr" unless defined($options{e});

# Processing requests.
my $curl = create_curl $options{h};
undef $/;   # For reading whole files.
REQUEST: foreach (@ARGV) {
    my $input = $_;
    my ($base, $path) = fileparse($input, '\.[^.]*');
    my $output_base = $base . $options{e};
    my $output = defined($options{o}) ? $options{o} : $path . $output_base;

    STDERR->printflush("$input: ") if $options{v};
    # Read request.
    my $body;
    if ($input eq "-") {
	# Read the request from STDIN;
	$body = <STDIN>;
    } else {
	# Read the request from file.
        open INPUT, "<" . $input
	    or warn("$input: could not open input file: $!\n"), next REQUEST;
        $body = <INPUT>;
        close INPUT
	    or warn("$input: could not close input file: $!\n"), next REQUEST;
    }

    # Send request.
    STDERR->printflush("sending request") if $options{v};

    my ($ts_body, $error) = get_timestamp $curl, \$body;
    if (defined($error)) {
	die "$input: fatal error: $error\n";
    }
    STDERR->printflush(", reply received") if $options{v};

    # Write response.
    if ($output eq "-") {
	# Write to STDOUT.
        print $ts_body;
    } else {
	# Write to file.
        open OUTPUT, ">", $output
	    or warn("$output: could not open output file: $!\n"), next REQUEST;
        print OUTPUT $ts_body;
        close OUTPUT
	    or warn("$output: could not close output file: $!\n"), next REQUEST;
    }
    STDERR->printflush(", $output written.\n") if $options{v};
}
$curl->cleanup();
WWW::Curl::Easy::global_cleanup();