added more mail scripts
This commit is contained in:
parent
c95fd6c427
commit
e81fd3702d
7 changed files with 833 additions and 0 deletions
445
mail/smtp-client.pl
Executable file
445
mail/smtp-client.pl
Executable file
|
|
@ -0,0 +1,445 @@
|
|||
#!/usr/bin/perl
|
||||
|
||||
#
|
||||
# Simple SMTP client with STARTTLS and AUTH support.
|
||||
# Michal Ludvig <michal@logix.cz>, 2003-2006
|
||||
# See http://www.logix.cz/michal/devel/smtp for details.
|
||||
# Thanks to all contributors for ideas and fixes!
|
||||
#
|
||||
|
||||
#
|
||||
# This program can be freely distributed, used and modified
|
||||
# without any restrictions. It's a public domain.
|
||||
#
|
||||
|
||||
use strict;
|
||||
use IO::Socket::INET;
|
||||
use IO::Socket::SSL;
|
||||
use Net::SSLeay;
|
||||
use Digest::HMAC_MD5 qw(hmac_md5_hex);
|
||||
use MIME::Base64 qw(encode_base64 decode_base64);
|
||||
use Getopt::Long;
|
||||
use Term::ReadKey;
|
||||
use Socket qw(:DEFAULT :crlf);
|
||||
|
||||
my ($user, $pass, $host, $port,
|
||||
$use_login, $use_plain, $use_cram_md5, $use_digest_md5,
|
||||
$ehlo_ok, $auth_ok, $starttls_ok, $verbose,
|
||||
$hello_host, $from, @to, $datasrc);
|
||||
|
||||
$host = 'localhost';
|
||||
$port = 'smtp(25)';
|
||||
$hello_host = 'localhost';
|
||||
$verbose = 0;
|
||||
$use_login = 0;
|
||||
$use_plain = 0;
|
||||
$use_cram_md5 = 0;
|
||||
$use_digest_md5 = 0;
|
||||
$starttls_ok = 1;
|
||||
$auth_ok = 0;
|
||||
$ehlo_ok = 1;
|
||||
|
||||
# Get command line options.
|
||||
GetOptions ('host=s' => \$host, 'server=s' => \$host,
|
||||
'port=i' => \$port,
|
||||
'user=s' => \$user, 'password=s' => \$pass,
|
||||
'auth-login' => \$use_login,
|
||||
'auth-plain' => \$use_plain,
|
||||
'auth-cram-md5' => \$use_cram_md5,
|
||||
'auth-digest-md5' => \$use_digest_md5,
|
||||
'disable-ehlo' => sub { $ehlo_ok = 0; },
|
||||
'force-ehlo' => sub { $ehlo_ok = 2; },
|
||||
'hello-host|ehlo-host|helo-host=s' => \$hello_host,
|
||||
'enable-auth' => \$auth_ok,
|
||||
'disable-starttls|disable-tls|disable-ssl' =>
|
||||
sub { $starttls_ok = 0; },
|
||||
'from|mail-from=s' => \$from,
|
||||
'to|rcpt-to=s' => \@to,
|
||||
'data=s' => \$datasrc,
|
||||
'verbose:1' => \$verbose,
|
||||
'help' => sub { &usage() } );
|
||||
|
||||
if ($host =~ /^(.*):(.*)$/)
|
||||
{
|
||||
$host = $1;
|
||||
$port = $2;
|
||||
}
|
||||
|
||||
# If at least one --auth-* option was given, enable AUTH.
|
||||
if ($use_login + $use_plain + $use_cram_md5 + $use_digest_md5 > 0)
|
||||
{ $auth_ok = 1; }
|
||||
|
||||
# If --enable-auth was given, enable all AUTH methods.
|
||||
elsif ($auth_ok && ($use_login + $use_plain + $use_cram_md5
|
||||
+ $use_digest_md5 == 0))
|
||||
{
|
||||
$use_login = 1;
|
||||
$use_plain = 1;
|
||||
$use_cram_md5 = 1;
|
||||
$use_digest_md5 = 1;
|
||||
}
|
||||
|
||||
# Exit if user haven't specified username for AUTH.
|
||||
if ($auth_ok && !defined ($user))
|
||||
{ die ("You requested SMTP AUTH support. Consider using --user switch as well.\n"); }
|
||||
|
||||
# Ask for password if it wasn't supplied on the command line.
|
||||
if ($auth_ok && defined ($user) && !defined ($pass))
|
||||
{
|
||||
printf ("Enter password for %s@%s : ", $user, $host);
|
||||
# Set echo off.
|
||||
ReadMode (2);
|
||||
$pass = <>;
|
||||
# Restore echo.
|
||||
ReadMode (0);
|
||||
printf ("\n");
|
||||
|
||||
exit if (! defined ($pass));
|
||||
chop ($pass);
|
||||
}
|
||||
|
||||
# Connect to the SMTP server.
|
||||
my $sock = IO::Socket::INET->new(
|
||||
PeerAddr => $host,
|
||||
PeerPort => $port,
|
||||
Proto => 'tcp',
|
||||
Timeout => 5)
|
||||
or die ("Connect failed: $@\n");
|
||||
|
||||
my ($code, $text);
|
||||
my (%features);
|
||||
|
||||
# Wait for the welcome message of the server.
|
||||
($code, $text) = &get_line ($sock);
|
||||
die ("Unknown welcome string: '$code $text'\n") if ($code != 220);
|
||||
$ehlo_ok-- if ($text !~ /ESMTP/);
|
||||
|
||||
# Send EHLO
|
||||
&say_hello ($sock, $ehlo_ok, $hello_host, \%features) or exit (1);
|
||||
|
||||
# Run the SMTP session
|
||||
&run_smtp ();
|
||||
|
||||
# Good bye...
|
||||
&send_line ($sock, "QUIT\n");
|
||||
($code, $text) = &get_line ($sock);
|
||||
die ("Unknown QUIT response '$code'.\n") if ($code != 221);
|
||||
|
||||
exit 0;
|
||||
|
||||
# This is the main SMTP "engine".
|
||||
sub run_smtp
|
||||
{
|
||||
# See if we could start encryption
|
||||
if ((defined ($features{'STARTTLS'}) || defined ($features{'TLS'})) && $starttls_ok)
|
||||
{
|
||||
printf ("Starting TLS...\n") if ($verbose >= 1);
|
||||
|
||||
# Do Net::SSLeay initialization
|
||||
Net::SSLeay::load_error_strings();
|
||||
Net::SSLeay::SSLeay_add_ssl_algorithms();
|
||||
Net::SSLeay::randomize();
|
||||
|
||||
&send_line ($sock, "STARTTLS\n");
|
||||
($code, $text) = &get_line ($sock);
|
||||
die ("Unknown STARTTLS response '$code'.\n") if ($code != 220);
|
||||
|
||||
if (! IO::Socket::SSL::socket_to_SSL($sock,
|
||||
SSL_version => 'SSLv3 TLSv1'))
|
||||
{
|
||||
die ("STARTTLS: ".IO::Socket::SSL::errstr()."\n");
|
||||
}
|
||||
|
||||
if ($verbose >= 1)
|
||||
{
|
||||
printf ("Using cipher: %s\n", $sock->get_cipher ());
|
||||
printf ("%s", $sock->dump_peer_certificate());
|
||||
}
|
||||
|
||||
# Send EHLO again (required by the SMTP standard).
|
||||
&say_hello ($sock, $ehlo_ok, $hello_host, \%features) or return 0;
|
||||
}
|
||||
|
||||
# See if we should authenticate ourself
|
||||
if (defined ($features{'AUTH'}) && $auth_ok)
|
||||
{
|
||||
if ($verbose >= 1)
|
||||
{
|
||||
printf ("AUTH method (%s): ", $features{'AUTH'});
|
||||
}
|
||||
|
||||
# Try CRAM-MD5 if supported by the server
|
||||
if ($features{'AUTH'} =~ /CRAM-MD5/i && $use_cram_md5)
|
||||
{
|
||||
printf ("using CRAM-MD5\n") if ($verbose >= 1);
|
||||
&send_line ($sock, "AUTH CRAM-MD5\n");
|
||||
($code, $text) = &get_line ($sock);
|
||||
if ($code != 334)
|
||||
{
|
||||
warn ("AUTH failed '$code $text'.\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
my $response = &encode_cram_md5 ($text, $user, $pass);
|
||||
&send_line ($sock, "%s\n", $response);
|
||||
($code, $text) = &get_line ($sock);
|
||||
if ($code != 235)
|
||||
{
|
||||
warn ("AUTH failed: '$code'.\n");
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
# Or try LOGIN method
|
||||
elsif ($features{'AUTH'} =~ /LOGIN/i && $use_login)
|
||||
{
|
||||
printf ("using LOGIN\n") if ($verbose >= 1);
|
||||
&send_line ($sock, "AUTH LOGIN\n");
|
||||
($code, $text) = &get_line ($sock);
|
||||
if ($code != 334)
|
||||
{
|
||||
warn ("AUTH failed '$code $text'.\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
&send_line ($sock, "%s\n", encode_base64 ($user, ""));
|
||||
|
||||
($code, $text) = &get_line ($sock);
|
||||
if ($code != 334)
|
||||
{
|
||||
warn ("AUTH failed '$code $text'.\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
&send_line ($sock, "%s\n", encode_base64 ($pass, ""));
|
||||
|
||||
($code, $text) = &get_line ($sock);
|
||||
if ($code != 235)
|
||||
{
|
||||
warn ("AUTH failed '$code $text'.\n");
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
# Or finally PLAIN if nothing else was supported.
|
||||
elsif ($features{'AUTH'} =~ /PLAIN/i && $use_plain)
|
||||
{
|
||||
printf ("using PLAIN\n") if ($verbose >= 1);
|
||||
&send_line ($sock, "AUTH PLAIN %s\n",
|
||||
encode_base64 ("$user\0$user\0$pass", ""));
|
||||
($code, $text) = &get_line ($sock);
|
||||
if ($code != 235)
|
||||
{
|
||||
warn ("AUTH failed '$code $text'.\n");
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
# Complain otherwise.
|
||||
else
|
||||
{
|
||||
warn ("No supported authentication method\n".
|
||||
"advertised by the server.\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
if ($verbose >= 1)
|
||||
{ printf ("Authentication of $user\@$host succeeded\n"); }
|
||||
}
|
||||
|
||||
# We can do a relay-test now if a recipient was set.
|
||||
if ($#to >= 0)
|
||||
{
|
||||
if (!defined ($from))
|
||||
{
|
||||
warn ("From: address not set. Using empty one.\n");
|
||||
$from = "";
|
||||
}
|
||||
&send_line ($sock, "MAIL FROM: <%s>\n", $from);
|
||||
($code, $text) = &get_line ($sock);
|
||||
if ($code != 250)
|
||||
{
|
||||
warn ("MAIL FROM failed: '$code $text'\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
my $i;
|
||||
for ($i=0; $i <= $#to; $i++)
|
||||
{
|
||||
&send_line ($sock, "RCPT TO: <%s>\n", $to[$i]);
|
||||
($code, $text) = &get_line ($sock);
|
||||
if ($code != 250)
|
||||
{
|
||||
warn ("RCPT TO <".$to[$i]."> ".
|
||||
"failed: '$code $text'\n");
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
# Wow, we should even send something!
|
||||
if (defined ($datasrc))
|
||||
{
|
||||
if ($datasrc eq "-")
|
||||
{
|
||||
*MAIL = *STDIN;
|
||||
}
|
||||
elsif (!open (MAIL, $datasrc))
|
||||
{
|
||||
warn ("Can't open file '$datasrc'\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
&send_line ($sock, "DATA\n");
|
||||
($code, $text) = &get_line ($sock);
|
||||
if ($code != 354)
|
||||
{
|
||||
warn ("DATA failed: '$code $text'\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
while (<MAIL>)
|
||||
{
|
||||
my $line = $_;
|
||||
$line =~ s/^\.$CRLF$/\. $CRLF/;
|
||||
$line =~ s/^\.\n$/\. $CRLF/;
|
||||
$sock->print ($line);
|
||||
}
|
||||
|
||||
close (MAIL);
|
||||
|
||||
$sock->printf ("$CRLF.$CRLF");
|
||||
|
||||
($code, $text) = &get_line ($sock);
|
||||
if ($code != 250)
|
||||
{
|
||||
warn ("DATA not send: '$code $text'\n");
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
# Perfect. Everything succeeded!
|
||||
return 1;
|
||||
}
|
||||
|
||||
# Get one line of response from the server.
|
||||
sub get_one_line ($)
|
||||
{
|
||||
my $sock = shift;
|
||||
my ($code, $sep, $text) = ($sock->getline() =~ /(\d+)(.)([^\r]*)/);
|
||||
my $more;
|
||||
$more = ($sep eq "-");
|
||||
if ($verbose)
|
||||
{ printf ("[%d] '%s'\n", $code, $text); }
|
||||
return ($code, $text, $more);
|
||||
}
|
||||
|
||||
# Get concatenated lines of response from the server.
|
||||
sub get_line ($)
|
||||
{
|
||||
my $sock = shift;
|
||||
my ($code, $text, $more) = &get_one_line ($sock);
|
||||
while ($more) {
|
||||
my ($code2, $line);
|
||||
($code2, $line, $more) = &get_one_line ($sock);
|
||||
$text .= " $line";
|
||||
die ("Error code changed from $code to $code2. That's illegal.\n") if ($code ne $code2);
|
||||
}
|
||||
return ($code, $text);
|
||||
}
|
||||
|
||||
# Send one line back to the server
|
||||
sub send_line ($@)
|
||||
{
|
||||
my $socket = shift;
|
||||
my @args = @_;
|
||||
|
||||
if ($verbose)
|
||||
{ printf ("> "); printf (@args); }
|
||||
$args[0] =~ s/\n/$CRLF/g;
|
||||
$socket->printf (@args);
|
||||
}
|
||||
|
||||
# Helper function to encode CRAM-MD5 challenge
|
||||
sub encode_cram_md5 ($$$)
|
||||
{
|
||||
my ($ticket64, $username, $password) = @_;
|
||||
my $ticket = decode_base64($ticket64) or
|
||||
die ("Unable to decode Base64 encoded string '$ticket64'\n");
|
||||
|
||||
my $password_md5 = hmac_md5_hex($ticket, $password);
|
||||
return encode_base64 ("$username $password_md5", "");
|
||||
}
|
||||
|
||||
# Store all server's ESMTP features to a hash.
|
||||
sub say_hello ($$$$)
|
||||
{
|
||||
my ($sock, $ehlo_ok, $hello_host, $featref) = @_;
|
||||
my ($feat, $param);
|
||||
my $hello_cmd = $ehlo_ok > 0 ? "EHLO" : "HELO";
|
||||
|
||||
&send_line ($sock, "$hello_cmd $hello_host\n");
|
||||
my ($code, $text, $more) = &get_one_line ($sock);
|
||||
|
||||
if ($code != 250)
|
||||
{
|
||||
warn ("$hello_cmd failed: '$code $text'\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
# Empty the hash
|
||||
%{$featref} = ();
|
||||
|
||||
($feat, $param) = ($text =~ /^(\w+)[= ]*(.*)$/);
|
||||
$featref->{$feat} = $param;
|
||||
|
||||
# Load all features presented by the server into the hash
|
||||
while ($more == 1)
|
||||
{
|
||||
($code, $text, $more) = &get_one_line ($sock);
|
||||
($feat, $param) = ($text =~ /^(\w+)[= ]*(.*)$/);
|
||||
$featref->{$feat} = $param;
|
||||
}
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
sub usage ()
|
||||
{
|
||||
printf ("Simple SMTP client written in Perl that supports some
|
||||
advanced features like STARTTLS and AUTH.
|
||||
|
||||
Author: Michal Ludvig <michal\@logix.cz> (c) 2003-2006
|
||||
http://www.logix.cz/michal/devel/smtp
|
||||
|
||||
Usage: smtp-client.pl [--options]
|
||||
|
||||
--host=<hostname> Host name or address of the SMTP server.
|
||||
(default: localhost)
|
||||
--port=<number> Port where the SMTP server is listening.
|
||||
(default: 25)
|
||||
|
||||
--hello-host=<string> String to use in the EHLO/HELO command.
|
||||
--disable-ehlo Don't use ESMTP EHLO command, only HELO.
|
||||
--force-ehlo Use EHLO even if server doesn't say ESMTP.
|
||||
|
||||
--disable-starttls Don't use encryption even if the remote
|
||||
host offers it.
|
||||
|
||||
--enable-auth Enable all methods of SMTP authentication.
|
||||
--auth-login Enable only AUTH LOGIN method.
|
||||
--auth-plain Enable only AUTH PLAIN method.
|
||||
--auth-cram-md5 Enable only AUTH CRAM-MD5 method.
|
||||
--user=<username> Username for SMTP authentication.
|
||||
--pass=<password> Corresponding password.
|
||||
|
||||
--from=<address> Address to use in MAIL FROM command.
|
||||
--to=<address> Address to use in RCPT TO command.
|
||||
|
||||
--data=<filename> Name of file to send after DATA command.
|
||||
With \"--data=-\" the script will read
|
||||
standard input (useful e.g. for pipes).
|
||||
|
||||
--verbose[=<number>] Be more verbose, print the SMTP session.
|
||||
--help Guess what is this option for ;-)
|
||||
");
|
||||
exit (0);
|
||||
}
|
||||
|
||||
Loading…
Add table
Add a link
Reference in a new issue