1033 lines
32 KiB
Perl
1033 lines
32 KiB
Perl
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package PandoraFMS::Sendmail;
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# Repackaged for work "by default" in PandoraFMS.
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# Original library by:
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# Mail::Sendmail by Milivoj Ivkovic <mi\x40alma.ch>
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# see embedded POD documentation after __END__
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# or http://alma.ch/perl/mail.html
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=head1 NAME
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Mail::Sendmail v. 0.79_16 - Simple platform independent mailer
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=cut
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$VERSION = '0.79_16';
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# *************** Configuration you may want to change *******************
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# You probably want to set your SMTP server here (unless you specify it in
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# every script), and leave the rest as is. See pod documentation for details
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%mailcfg = (
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# List of SMTP servers:
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'smtp' => [ qw( localhost ) ],
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#'smtp' => [ qw( mail.mydomain.com ) ], # example
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'from' => '', # default sender e-mail, used when no From header in mail
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'mime' => 1, # use MIME encoding by default
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'retries' => 1, # number of retries on smtp connect failure
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'delay' => 1, # delay in seconds between retries
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'tz' => '', # only to override automatic detection
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'port' => 25, # change it if you always use a non-standard port
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'debug' => 0 # prints stuff to STDERR
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);
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# *******************************************************************
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require Exporter;
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use strict;
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use vars qw(
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$VERSION
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@ISA
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@EXPORT
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@EXPORT_OK
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%mailcfg
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$address_rx
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$debug
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$log
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$error
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$retry_delay
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$connect_retries
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$auth_support
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);
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use Socket;
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use Time::Local; # for automatic time zone detection
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use Sys::Hostname; # for use of hostname in HELO
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#use Digest::HMAC_MD5 qw(hmac_md5 hmac_md5_hex);
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$auth_support = 'DIGEST-MD5 CRAM-MD5 PLAIN LOGIN';
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# use MIME::QuotedPrint if available and configured in %mailcfg
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eval("use MIME::QuotedPrint");
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$mailcfg{'mime'} &&= (!$@);
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@ISA = qw(Exporter);
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@EXPORT = qw(&sendmail);
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@EXPORT_OK = qw(
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%mailcfg
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time_to_date
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$address_rx
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$debug
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$log
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$error
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);
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# regex for e-mail addresses where full=$1, user=$2, domain=$3
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# see pod documentation about this regex
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my $word_rx = '[\x21\x23-\x27\x2A-\x2B\x2D\x2F\w\x3D\x3F]+';
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my $user_rx = $word_rx # valid chars
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.'(?:\.' . $word_rx . ')*' # possibly more words preceded by a dot
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;
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my $dom_rx = '\w[-\w]*(?:\.\w[-\w]*)*'; # less valid chars in domain names
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my $ip_rx = '\[\d{1,3}(?:\.\d{1,3}){3}\]';
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$address_rx = '((' . $user_rx . ')\@(' . $dom_rx . '|' . $ip_rx . '))';
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; # v. 0.61
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sub _require_md5 {
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eval { require Digest::MD5; Digest::MD5->import(qw(md5 md5_hex)); };
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$error .= $@ if $@;
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return ($@ ? undef : 1);
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}
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sub _require_base64 {
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eval {
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require MIME::Base64; MIME::Base64->import(qw(encode_base64 decode_base64));
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};
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$error .= $@ if $@;
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return ($@ ? undef : 1);
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}
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sub _hmac_md5 {
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my ($pass, $ckey) = @_;
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my $size = 64;
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$pass = md5($pass) if length($pass) > $size;
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my $ipad = $pass ^ (chr(0x36) x $size);
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my $opad = $pass ^ (chr(0x5c) x $size);
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return md5_hex($opad, md5($ipad, $ckey));
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}
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sub _digest_md5 {
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my ($user, $pass, $challenge, $realm) = @_;
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my %ckey = map { /^([^=]+)="?(.+?)"?$/ } split(/,/, $challenge);
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$realm ||= $ckey{realm}; #($user =~ s/\@(.+)$//o) ? $1 : $server;
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my $nonce = $ckey{nonce};
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my $cnonce = &make_cnonce;
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my $uri = join('/', 'smtp', hostname()||'localhost', $ckey{realm});
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my $qop = 'auth';
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my $nc = '00000001';
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my($hv, $a1, $a2);
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$hv = md5("$user:$realm:$pass");
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$a1 = md5_hex("$hv:$nonce:$cnonce");
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$a2 = md5_hex("AUTHENTICATE:$uri");
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$hv = md5_hex("$a1:$nonce:$nc:$cnonce:$qop:$a2");
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return qq(username="$user",realm="$ckey{realm}",nonce="$nonce",nc=$nc,cnonce="$cnonce",digest-uri="$uri",response=$hv,qop=$qop);
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}
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sub make_cnonce {
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my $s = '' ;
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for(1..16) { $s .= chr(rand 256) }
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$s = encode_base64($s, "");
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$s =~ s/\W/X/go;
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return substr($s, 0, 16);
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}
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sub time_to_date {
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# convert a time() value to a date-time string according to RFC 822
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my $time = $_[0] || time(); # default to now if no argument
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my @months = qw(Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec);
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my @wdays = qw(Sun Mon Tue Wed Thu Fri Sat);
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my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst)
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= localtime($time);
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my $TZ = $mailcfg{'tz'};
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if ( $TZ eq "" ) {
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# offset in hours
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my $offset = sprintf "%.1f", (timegm(localtime) - time) / 3600;
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my $minutes = sprintf "%02d", abs( $offset - int($offset) ) * 60;
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$TZ = sprintf("%+03d", int($offset)) . $minutes;
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}
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return join(" ",
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($wdays[$wday] . ','),
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$mday,
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$months[$mon],
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$year+1900,
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sprintf("%02d:%02d:%02d", $hour, $min, $sec),
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$TZ
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);
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} # end sub time_to_date
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sub sendmail {
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$error = '';
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$log = "Mail::Sendmail v. $VERSION - " . scalar(localtime()) . "\n";
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my $CRLF = "\015\012";
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local $/ = $CRLF;
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local $\ = ''; # to protect us from outside settings
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local $_;
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my (%mail, $k,
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$smtp, $server, $port, $connected, $localhost,
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$fromaddr, $recip, @recipients, $to, $header,
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%esmtp, @wanted_methods,
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);
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use vars qw($server_reply);
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# -------- a few internal subs ----------
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sub fail {
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# things to do before returning a sendmail failure
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$error .= join(" ", @_) . "\n";
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if ($server_reply) {
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$error .= "Server said: $server_reply\n";
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print STDERR "Server said: $server_reply\n" if $^W;
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}
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close S;
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return 0;
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}
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sub socket_write {
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my $i;
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for $i (0..$#_) {
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# accept references, so we don't copy potentially big data
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my $data = ref($_[$i]) ? $_[$i] : \$_[$i];
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if ($mailcfg{'debug'} > 5) {
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if (length($$data) < 500) {
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print ">", $$data;
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}
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else {
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print "> [...", length($$data), " bytes sent ...]\n";
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}
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}
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print(S $$data) || return 0;
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}
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1;
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}
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sub socket_read {
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$server_reply = "";
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do {
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$_ = <S>;
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$server_reply .= $_;
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#chomp $_;
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print "<$_" if $mailcfg{'debug'} > 5;
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if (/^[45]/ or !$_) {
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chomp $server_reply;
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return; # return false
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}
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} while (/^[\d]+-/);
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chomp $server_reply;
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return $server_reply;
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}
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# -------- end of internal subs ----------
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# all config keys to lowercase, to prevent typo errors
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foreach $k (keys %mailcfg) {
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if ($k =~ /[A-Z]/) {
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$mailcfg{lc($k)} = $mailcfg{$k};
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}
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}
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# redo mail hash, arranging keys case etc...
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while (@_) {
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$k = shift @_;
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if (!$k and $^W) {
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warn "Received false mail hash key: \'$k\'. Did you forget to put it in quotes?\n";
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}
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# arrange keys case
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$k = ucfirst lc($k);
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$k =~ s/\s*:\s*$//o; # kill colon (and possible spaces) at end, we add it later.
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# uppercase also after "-", so people don't complain that headers case is different
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# than in Outlook.
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$k =~ s/-(.)/"-" . uc($1)/ge;
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$mail{$k} = shift @_;
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if ($k !~ /^(Message|Body|Text)$/i) {
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# normalize possible line endings in headers
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$mail{$k} =~ s/\015\012?/\012/go;
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$mail{$k} =~ s/\012/$CRLF/go;
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}
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}
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$smtp = $mail{'Smtp'} || $mail{'Server'};
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unshift @{$mailcfg{'smtp'}}, $smtp if ($smtp and $mailcfg{'smtp'}->[0] ne $smtp);
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# delete non-header keys, so we don't send them later as mail headers
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# I like this syntax, but it doesn't seem to work with AS port 5.003_07:
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# delete @mail{'Smtp', 'Server'};
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# so instead:
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delete $mail{'Smtp'}; delete $mail{'Server'};
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$mailcfg{'port'} = $mail{'Port'} || $mailcfg{'port'} || 25;
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delete $mail{'Port'};
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my $auth = $mail{'Auth'};
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delete $mail{'Auth'};
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{ # don't warn for undefined values below
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local $^W = 0;
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$mail{'Message'} = join("", $mail{'Message'}, $mail{'Body'}, $mail{'Text'});
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}
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# delete @mail{'Body', 'Text'};
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delete $mail{'Body'}; delete $mail{'Text'};
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# Extract 'From:' e-mail address to use as envelope sender
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$fromaddr = $mail{'Sender'} || $mail{'From'} || $mailcfg{'from'};
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#delete $mail{'Sender'};
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unless ($fromaddr =~ /$address_rx/) {
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return fail("Bad or missing From address: \'$fromaddr\'");
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}
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$fromaddr = $1;
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# add Date header if needed
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$mail{Date} ||= time_to_date() ;
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$log .= "Date: $mail{Date}\n";
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# cleanup message, and encode if needed
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$mail{'Message'} =~ s/\r\n/\n/go; # normalize line endings, step 1 of 2 (next step after MIME encoding)
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$mail{'Mime-Version'} ||= '1.0';
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$mail{'Content-Type'} ||= 'text/plain; charset="iso-8859-1"';
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unless ( $mail{'Content-Transfer-Encoding'}
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|| $mail{'Content-Type'} =~ /multipart/io )
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{
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if ($mailcfg{'mime'}) {
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$mail{'Content-Transfer-Encoding'} = 'quoted-printable';
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$mail{'Message'} = encode_qp($mail{'Message'});
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}
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else {
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$mail{'Content-Transfer-Encoding'} = '8bit';
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if ($mail{'Message'} =~ /[\x80-\xFF]/o) {
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$error .= "MIME::QuotedPrint not present!\nSending 8bit characters, hoping it will come across OK.\n";
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warn "MIME::QuotedPrint not present!\n",
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"Sending 8bit characters without encoding, hoping it will come across OK.\n"
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if $^W;
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}
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}
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}
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$mail{'Message'} =~ s/^\./\.\./gom; # handle . as first character
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$mail{'Message'} =~ s/\n/$CRLF/go; # normalize line endings, step 2.
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# Get recipients
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{ # don't warn for undefined values below
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local $^W = 0;
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$recip = join(", ", $mail{To}, $mail{Cc}, $mail{Bcc});
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}
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delete $mail{'Bcc'};
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@recipients = ();
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while ($recip =~ /$address_rx/go) {
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push @recipients, $1;
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}
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unless (@recipients) {
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return fail("No recipient!")
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}
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# get local hostname for polite HELO
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$localhost = hostname() || 'localhost';
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foreach $server ( @{$mailcfg{'smtp'}} ) {
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# open socket needs to be inside this foreach loop on Linux,
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# otherwise all servers fail if 1st one fails !??! why?
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||
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unless ( socket S, AF_INET, SOCK_STREAM, scalar(getprotobyname 'tcp') ) {
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return fail("socket failed ($!)")
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}
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print "- trying $server\n" if $mailcfg{'debug'} > 1;
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$server =~ s/\s+//go; # remove spaces just in case of a typo
|
||
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# extract port if server name like "mail.domain.com:2525"
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||
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$port = ($server =~ s/:(\d+)$//o) ? $1 : $mailcfg{'port'};
|
||
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$smtp = $server; # save $server for use outside foreach loop
|
||
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||
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my $smtpaddr = inet_aton $server;
|
||
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unless ($smtpaddr) {
|
||
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$error .= "$server not found\n";
|
||
|
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next; # next server
|
||
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}
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||
|
|
|
||
|
|
my $retried = 0; # reset retries for each server
|
||
|
|
while ( ( not $connected = connect S, pack_sockaddr_in($port, $smtpaddr) )
|
||
|
|
and ( $retried < $mailcfg{'retries'} )
|
||
|
|
) {
|
||
|
|
$retried++;
|
||
|
|
$error .= "connect to $server failed ($!)\n";
|
||
|
|
print "- connect to $server failed ($!)\n" if $mailcfg{'debug'} > 1;
|
||
|
|
print "retrying in $mailcfg{'delay'} seconds...\n" if $mailcfg{'debug'} > 1;
|
||
|
|
sleep $mailcfg{'delay'};
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( $connected ) {
|
||
|
|
print "- connected to $server\n" if $mailcfg{'debug'} > 3;
|
||
|
|
last;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$error .= "connect to $server failed\n";
|
||
|
|
print "- connect to $server failed, next server...\n" if $mailcfg{'debug'} > 1;
|
||
|
|
next; # next server
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
unless ( $connected ) {
|
||
|
|
return fail("connect to $smtp failed ($!) no (more) retries!")
|
||
|
|
};
|
||
|
|
|
||
|
|
{
|
||
|
|
local $^W = 0; # don't warn on undefined variables
|
||
|
|
# Add info to log variable
|
||
|
|
$log .= "Server: $smtp Port: $port\n"
|
||
|
|
. "From: $fromaddr\n"
|
||
|
|
. "Subject: $mail{Subject}\n"
|
||
|
|
;
|
||
|
|
}
|
||
|
|
|
||
|
|
my($oldfh) = select(S); $| = 1; select($oldfh);
|
||
|
|
|
||
|
|
socket_read()
|
||
|
|
|| return fail("Connection error from $smtp on port $port ($_)");
|
||
|
|
socket_write("EHLO $localhost$CRLF")
|
||
|
|
|| return fail("send EHLO error (lost connection?)");
|
||
|
|
my $ehlo = socket_read();
|
||
|
|
if ($ehlo) {
|
||
|
|
# parse EHLO response
|
||
|
|
map {
|
||
|
|
s/^\d+[- ]//;
|
||
|
|
my ($k, $v) = split /\s+/, $_, 2;
|
||
|
|
$esmtp{$k} = $v || 1 if $k;
|
||
|
|
} split(/\n/, $ehlo);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
# try plain HELO instead
|
||
|
|
socket_write("HELO $localhost$CRLF")
|
||
|
|
|| return fail("send HELO error (lost connection?)");
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($auth) {
|
||
|
|
warn "AUTH requested\n" if ($mailcfg{debug} > 4);
|
||
|
|
# reduce wanted methods to those supported
|
||
|
|
my @methods = grep {$esmtp{'AUTH'}=~/(^|\s)$_(\s|$)/i}
|
||
|
|
grep {$auth_support =~ /(^|\s)$_(\s|$)/i}
|
||
|
|
grep /\S/, split(/\s+/, $auth->{method});
|
||
|
|
|
||
|
|
if (@methods) {
|
||
|
|
# try to authenticate
|
||
|
|
|
||
|
|
if (exists $auth->{pass}) {
|
||
|
|
$auth->{password} = $auth->{pass};
|
||
|
|
}
|
||
|
|
|
||
|
|
my $method = uc $methods[0];
|
||
|
|
_require_base64() || fail("Could not use MIME::Base64 module required for authentication");
|
||
|
|
if ($method eq "LOGIN") {
|
||
|
|
print STDERR "Trying AUTH LOGIN\n" if ($mailcfg{debug} > 9);
|
||
|
|
socket_write("AUTH LOGIN$CRLF")
|
||
|
|
|| return fail("send AUTH LOGIN failed (lost connection?)");
|
||
|
|
socket_read()
|
||
|
|
|| return fail("AUTH LOGIN failed: $server_reply");
|
||
|
|
socket_write(encode_base64($auth->{user},$CRLF))
|
||
|
|
|| return fail("send LOGIN username failed (lost connection?)");
|
||
|
|
socket_read()
|
||
|
|
|| return fail("LOGIN username failed: $server_reply");
|
||
|
|
socket_write(encode_base64($auth->{password},$CRLF))
|
||
|
|
|| return fail("send LOGIN password failed (lost connection?)");
|
||
|
|
socket_read()
|
||
|
|
|| return fail("LOGIN password failed: $server_reply");
|
||
|
|
}
|
||
|
|
elsif ($method eq "PLAIN") {
|
||
|
|
warn "Trying AUTH PLAIN\n" if ($mailcfg{debug} > 9);
|
||
|
|
socket_write(
|
||
|
|
"AUTH PLAIN "
|
||
|
|
. encode_base64(join("\0", $auth->{user}, $auth->{user}, $auth->{password}), $CRLF)
|
||
|
|
) || return fail("send AUTH PLAIN failed (lost connection?)");
|
||
|
|
socket_read()
|
||
|
|
|| return fail("AUTH PLAIN failed: $server_reply");
|
||
|
|
}
|
||
|
|
elsif ($method eq "CRAM-MD5") {
|
||
|
|
_require_md5() || fail("Could not use Digest::MD5 module required for authentication");
|
||
|
|
warn "Trying AUTH CRAM-MD5\n" if ($mailcfg{debug} > 9);
|
||
|
|
socket_write("AUTH CRAM-MD5$CRLF")
|
||
|
|
|| return fail("send CRAM-MD5 failed (lost connection?)");
|
||
|
|
my $challenge = socket_read()
|
||
|
|
|| return fail("AUTH CRAM-MD5 failed: $server_reply");
|
||
|
|
$challenge =~ s/^\d+\s+//;
|
||
|
|
my $response = _hmac_md5($auth->{password}, decode_base64($challenge));
|
||
|
|
socket_write(encode_base64("$auth->{user} $response", $CRLF))
|
||
|
|
|| return fail("AUTH CRAM-MD5 failed: $server_reply");
|
||
|
|
socket_read()
|
||
|
|
|| return fail("AUTH CRAM-MD5 failed: $server_reply");
|
||
|
|
}
|
||
|
|
elsif ($method eq "DIGEST-MD5") {
|
||
|
|
_require_md5() || fail("Could not use Digest::MD5 module required for authentication");
|
||
|
|
warn "Trying AUTH DIGEST-MD5\n" if ($mailcfg{debug} > 9);
|
||
|
|
socket_write("AUTH DIGEST-MD5$CRLF")
|
||
|
|
|| return fail("send CRAM-MD5 failed (lost connection?)");
|
||
|
|
my $challenge = socket_read()
|
||
|
|
|| return fail("AUTH DIGEST-MD5 failed: $server_reply");
|
||
|
|
$challenge =~ s/^\d+\s+//; $challenge =~ s/[\r\n]+$//;
|
||
|
|
warn "\nCHALLENGE=", decode_base64($challenge), "\n" if ($mailcfg{debug} > 10);
|
||
|
|
my $response = _digest_md5($auth->{user}, $auth->{password}, decode_base64($challenge), $auth->{realm});
|
||
|
|
warn "\nRESPONSE=$response\n" if ($mailcfg{debug} > 10);
|
||
|
|
socket_write(encode_base64($response, ""), $CRLF)
|
||
|
|
|| return fail("AUTH DIGEST-MD5 failed: $server_reply");
|
||
|
|
my $status = socket_read()
|
||
|
|
|| return fail("AUTH DIGEST-MD5 failed: $server_reply");
|
||
|
|
if ($status =~ /^3/) {
|
||
|
|
socket_write($CRLF)
|
||
|
|
|| return fail("AUTH DIGEST-MD5 failed: $server_reply");
|
||
|
|
socket_read()
|
||
|
|
|| return fail("AUTH DIGEST-MD5 failed: $server_reply");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
return fail("$method not supported (and wrongly advertised as supported by this silly module)\n");
|
||
|
|
}
|
||
|
|
$log .= "AUTH $method succeeded as user $auth->{user}\n";
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$esmtp{'AUTH'} =~ s/(^\s+|\s+$)//g; # cleanup for printig it below
|
||
|
|
if ($auth->{required}) {
|
||
|
|
return fail("Required AUTH method '$auth->{method}' not supported. "
|
||
|
|
."(Server supports '$esmtp{'AUTH'}'. Module supports: '$auth_support')");
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
warn "No common authentication method! Requested: '$auth->{method}'. Server supports '$esmtp{'AUTH'}'. Module supports: '$auth_support'. Skipping authentication\n";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
socket_write("MAIL FROM:<$fromaddr>$CRLF")
|
||
|
|
|| return fail("send MAIL FROM: error");
|
||
|
|
socket_read()
|
||
|
|
|| return fail("MAIL FROM: error ($_)");
|
||
|
|
|
||
|
|
my $to_ok = 0;
|
||
|
|
foreach $to (@recipients) {
|
||
|
|
socket_write("RCPT TO:<$to>$CRLF")
|
||
|
|
|| return fail("send RCPT TO: error");
|
||
|
|
if (socket_read()) {
|
||
|
|
$log .= "To: $to\n";
|
||
|
|
$to_ok++;
|
||
|
|
} else {
|
||
|
|
$log .= "FAILED To: $to ($server_reply)";
|
||
|
|
$error .= "Bad recipient <$to>: $server_reply\n";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
unless ($to_ok) {
|
||
|
|
return fail("No valid recipient");
|
||
|
|
}
|
||
|
|
|
||
|
|
# start data part
|
||
|
|
|
||
|
|
socket_write("DATA$CRLF")
|
||
|
|
|| return fail("send DATA error");
|
||
|
|
socket_read()
|
||
|
|
|| return fail("DATA error ($_)");
|
||
|
|
|
||
|
|
# print headers
|
||
|
|
foreach $header (keys %mail) {
|
||
|
|
next if $header eq "Message";
|
||
|
|
$mail{$header} =~ s/\s+$//o; # kill possible trailing garbage
|
||
|
|
socket_write("$header: $mail{$header}$CRLF")
|
||
|
|
|| return fail("send $header: error");
|
||
|
|
};
|
||
|
|
|
||
|
|
#- test diconnecting from network here, to see what happens
|
||
|
|
#- print STDERR "DISCONNECT NOW!\n";
|
||
|
|
#- sleep 4;
|
||
|
|
#- print STDERR "trying to continue, expecting an error... \n";
|
||
|
|
|
||
|
|
# send message body (passed as a reference, in case it's big)
|
||
|
|
socket_write($CRLF, \$mail{'Message'}, "$CRLF.$CRLF")
|
||
|
|
|| return fail("send message error");
|
||
|
|
socket_read()
|
||
|
|
|| return fail("message transmission error ($_)");
|
||
|
|
$log .= "\nResult: $_";
|
||
|
|
|
||
|
|
# finish
|
||
|
|
socket_write("QUIT$CRLF")
|
||
|
|
|| return fail("send QUIT error");
|
||
|
|
socket_read();
|
||
|
|
close S;
|
||
|
|
|
||
|
|
return 1;
|
||
|
|
} # end sub sendmail
|
||
|
|
|
||
|
|
1;
|
||
|
|
__END__
|
||
|
|
|
||
|
|
=head1 SYNOPSIS
|
||
|
|
|
||
|
|
use Mail::Sendmail;
|
||
|
|
|
||
|
|
%mail = ( To => 'you@there.com',
|
||
|
|
From => 'me@here.com',
|
||
|
|
Message => "This is a very short message"
|
||
|
|
);
|
||
|
|
|
||
|
|
sendmail(%mail) or die $Mail::Sendmail::error;
|
||
|
|
|
||
|
|
print "OK. Log says:\n", $Mail::Sendmail::log;
|
||
|
|
|
||
|
|
=head1 DESCRIPTION
|
||
|
|
|
||
|
|
Simple platform independent e-mail from your perl script. Only requires
|
||
|
|
Perl 5 and a network connection.
|
||
|
|
|
||
|
|
Mail::Sendmail takes a hash with the message to send and sends it to your
|
||
|
|
mail server. It is intended to be very easy to setup and
|
||
|
|
use. See also L<"FEATURES"> below, and as usual, read this documentation.
|
||
|
|
|
||
|
|
There is also a FAQ (see L<"NOTES">).
|
||
|
|
|
||
|
|
=head1 INSTALLATION
|
||
|
|
|
||
|
|
=over 4
|
||
|
|
|
||
|
|
=item Best
|
||
|
|
|
||
|
|
C<perl -MCPAN -e "install Mail::Sendmail">
|
||
|
|
|
||
|
|
=item Traditional
|
||
|
|
|
||
|
|
perl Makefile.PL
|
||
|
|
make
|
||
|
|
make test
|
||
|
|
make install
|
||
|
|
|
||
|
|
=item Manual
|
||
|
|
|
||
|
|
Copy Sendmail.pm to Mail/ in your Perl lib directory.
|
||
|
|
|
||
|
|
(eg. c:\Perl\site\lib\Mail\
|
||
|
|
or /usr/lib/perl5/site_perl/Mail/
|
||
|
|
or whatever it is on your system.
|
||
|
|
They are listed when you type C< perl -V >)
|
||
|
|
|
||
|
|
=item ActivePerl's PPM
|
||
|
|
|
||
|
|
Depending on your PPM version:
|
||
|
|
|
||
|
|
ppm install --location=http://alma.ch/perl/ppm Mail-Sendmail
|
||
|
|
|
||
|
|
or
|
||
|
|
|
||
|
|
ppm install http://alma.ch/perl/ppm/Mail-Sendmail.ppd
|
||
|
|
|
||
|
|
But this way you don't get a chance to have a look at other files (Changes,
|
||
|
|
Todo, test.pl, ...).
|
||
|
|
|
||
|
|
=back
|
||
|
|
|
||
|
|
At the top of Sendmail.pm, set your default SMTP server(s), unless you specify
|
||
|
|
it with each message, or want to use the default (localhost).
|
||
|
|
|
||
|
|
Install MIME::QuotedPrint. This is not required but strongly recommended.
|
||
|
|
|
||
|
|
=head1 FEATURES
|
||
|
|
|
||
|
|
Automatic time zone detection, Date: header, MIME quoted-printable encoding
|
||
|
|
(if MIME::QuotedPrint installed), all of which can be overridden.
|
||
|
|
|
||
|
|
Bcc: and Cc: support.
|
||
|
|
|
||
|
|
Allows real names in From:, To: and Cc: fields
|
||
|
|
|
||
|
|
Doesn't send an X-Mailer: header (unless you do), and allows you to send any
|
||
|
|
header(s) you want.
|
||
|
|
|
||
|
|
Configurable retries and use of alternate servers if your mail server is
|
||
|
|
down
|
||
|
|
|
||
|
|
Good plain text error reporting
|
||
|
|
|
||
|
|
Experimental support for SMTP AUTHentication
|
||
|
|
|
||
|
|
=head1 LIMITATIONS
|
||
|
|
|
||
|
|
Headers are not encoded, even if they have accented characters.
|
||
|
|
|
||
|
|
Since the whole message is in memory, it's not suitable for
|
||
|
|
sending very big attached files.
|
||
|
|
|
||
|
|
The SMTP server has to be set manually in Sendmail.pm or in your script,
|
||
|
|
unless you have a mail server on localhost.
|
||
|
|
|
||
|
|
Doesn't work on OpenVMS, I was told. Cannot test this myself.
|
||
|
|
|
||
|
|
=head1 CONFIGURATION
|
||
|
|
|
||
|
|
=over 4
|
||
|
|
|
||
|
|
=item Default SMTP server(s)
|
||
|
|
|
||
|
|
This is probably all you want to configure. It is usually done through
|
||
|
|
I<$mailcfg{smtp}>, which you can edit at the top of the Sendmail.pm file.
|
||
|
|
This is a reference to a list of SMTP servers. You can also set it from
|
||
|
|
your script:
|
||
|
|
|
||
|
|
C<unshift @{$Mail::Sendmail::mailcfg{'smtp'}} , 'my.mail.server';>
|
||
|
|
|
||
|
|
Alternatively, you can specify the server in the I<%mail> hash you send
|
||
|
|
from your script, which will do the same thing:
|
||
|
|
|
||
|
|
C<$mail{smtp} = 'my.mail.server';>
|
||
|
|
|
||
|
|
A future version will (hopefully) try to set useful defaults for you
|
||
|
|
during the Makefile.PL.
|
||
|
|
|
||
|
|
=item Other configuration settings
|
||
|
|
|
||
|
|
See I<%mailcfg> under L<"DETAILS"> below for other configuration options.
|
||
|
|
|
||
|
|
=back
|
||
|
|
|
||
|
|
=head1 DETAILS
|
||
|
|
|
||
|
|
=head2 sendmail()
|
||
|
|
|
||
|
|
sendmail is the only thing exported to your namespace by default
|
||
|
|
|
||
|
|
C<sendmail(%mail) || print "Error sending mail: $Mail::Sendmail::error\n";>
|
||
|
|
|
||
|
|
It takes a hash containing the full message, with keys for all headers
|
||
|
|
and the body, as well as for some specific options.
|
||
|
|
|
||
|
|
It returns 1 on success or 0 on error, and rewrites
|
||
|
|
C<$Mail::Sendmail::error> and C<$Mail::Sendmail::log>.
|
||
|
|
|
||
|
|
Keys are NOT case-sensitive.
|
||
|
|
|
||
|
|
The colon after headers is not necessary.
|
||
|
|
|
||
|
|
The Body part key can be called 'Body', 'Message' or 'Text'.
|
||
|
|
|
||
|
|
The SMTP server key can be called 'Smtp' or 'Server'. If the connection to
|
||
|
|
this one fails, the other ones in C<$mailcfg{smtp}> will still be tried.
|
||
|
|
|
||
|
|
The following headers are added unless you specify them yourself:
|
||
|
|
|
||
|
|
Mime-Version: 1.0
|
||
|
|
Content-Type: 'text/plain; charset="iso-8859-1"'
|
||
|
|
|
||
|
|
Content-Transfer-Encoding: quoted-printable
|
||
|
|
or (if MIME::QuotedPrint not installed)
|
||
|
|
Content-Transfer-Encoding: 8bit
|
||
|
|
|
||
|
|
Date: [string returned by time_to_date()]
|
||
|
|
|
||
|
|
If you wish to use an envelope sender address different than the
|
||
|
|
From: address, set C<$mail{Sender}> in your %mail hash.
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
The following are not exported by default, but you can still access them
|
||
|
|
with their full name, or request their export on the use line like in:
|
||
|
|
C<use Mail::Sendmail qw(sendmail $address_rx time_to_date);>
|
||
|
|
|
||
|
|
=head3 embedding options in your %mail hash
|
||
|
|
|
||
|
|
The following options can be set in your %mail hash. The corresponding keys
|
||
|
|
will be removed before sending the mail.
|
||
|
|
|
||
|
|
=over 4
|
||
|
|
|
||
|
|
=item $mail{smtp} or $mail{server}
|
||
|
|
|
||
|
|
The SMTP server to try first. It will be added
|
||
|
|
|
||
|
|
=item $mail{port}
|
||
|
|
|
||
|
|
This option will be removed. To use a non-standard port, set it in your server name:
|
||
|
|
|
||
|
|
$mail{server}='my.smtp.server:2525' will try to connect to port 2525 on server my.smtp.server
|
||
|
|
|
||
|
|
=item $mail{auth}
|
||
|
|
|
||
|
|
This must be a reference to a hash containg all your authentication options:
|
||
|
|
|
||
|
|
$mail{auth} = \%options;
|
||
|
|
or
|
||
|
|
$mail{auth} = {user=>"username", password=>"password", method=>"DIGEST-MD5", required=>0 };
|
||
|
|
|
||
|
|
=over
|
||
|
|
|
||
|
|
=item user
|
||
|
|
|
||
|
|
username
|
||
|
|
|
||
|
|
=item pass or password
|
||
|
|
|
||
|
|
password
|
||
|
|
|
||
|
|
=item method
|
||
|
|
|
||
|
|
optional method. compared (stripped down) to available methods. If empty, will try all available.
|
||
|
|
|
||
|
|
=item required
|
||
|
|
|
||
|
|
optional. defaults to false. If set to true, no delivery will be attempted if
|
||
|
|
authentication fails. If false or undefined, and authentication fails or is not available, sending is tried without.
|
||
|
|
|
||
|
|
(different auth for different servers?)
|
||
|
|
|
||
|
|
=back
|
||
|
|
|
||
|
|
=back
|
||
|
|
|
||
|
|
=head2 Mail::Sendmail::time_to_date()
|
||
|
|
|
||
|
|
convert time ( as from C<time()> ) to an RFC 822 compliant string for the
|
||
|
|
Date header. See also L<"%Mail::Sendmail::mailcfg">.
|
||
|
|
|
||
|
|
=head2 $Mail::Sendmail::error
|
||
|
|
|
||
|
|
When you don't run with the B<-w> flag, the module sends no errors to
|
||
|
|
STDERR, but puts anything it has to complain about in here. You should
|
||
|
|
probably always check if it says something.
|
||
|
|
|
||
|
|
=head2 $Mail::Sendmail::log
|
||
|
|
|
||
|
|
A summary that you could write to a log file after each send
|
||
|
|
|
||
|
|
=head2 $Mail::Sendmail::address_rx
|
||
|
|
|
||
|
|
A handy regex to recognize e-mail addresses.
|
||
|
|
|
||
|
|
A correct regex for valid e-mail addresses was written by one of the judges
|
||
|
|
in the obfuscated Perl contest... :-) It is quite big. This one is an
|
||
|
|
attempt to a reasonable compromise, and should accept all real-world
|
||
|
|
internet style addresses. The domain part is required and comments or
|
||
|
|
characters that would need to be quoted are not supported.
|
||
|
|
|
||
|
|
Example:
|
||
|
|
$rx = $Mail::Sendmail::address_rx;
|
||
|
|
if (/$rx/) {
|
||
|
|
$address=$1;
|
||
|
|
$user=$2;
|
||
|
|
$domain=$3;
|
||
|
|
}
|
||
|
|
|
||
|
|
=head2 %Mail::Sendmail::mailcfg
|
||
|
|
|
||
|
|
This hash contains installation-wide configuration options. You normally edit it once (if
|
||
|
|
ever) in Sendmail.pm and forget about it, but you could also access it from
|
||
|
|
your scripts. For readability, I'll assume you have imported it
|
||
|
|
(with something like C<use Mail::Sendmail qw(sendmail %mailcfg)>).
|
||
|
|
|
||
|
|
The keys are not case-sensitive: they are all converted to lowercase before
|
||
|
|
use. Writing C<$mailcfg{Port} = 2525;> is OK: the default $mailcfg{port}
|
||
|
|
(25) will be deleted and replaced with your new value of 2525.
|
||
|
|
|
||
|
|
=over 4
|
||
|
|
|
||
|
|
=item $mailcfg{smtp}
|
||
|
|
|
||
|
|
C<$mailcfg{smtp} = [qw(localhost my.other.mail.server)];>
|
||
|
|
|
||
|
|
This is a reference to a list of smtp servers, so if your main server is
|
||
|
|
down, the module tries the next one. If one of your servers uses a special
|
||
|
|
port, add it to the server name with a colon in front, to override the
|
||
|
|
default port (like in my.special.server:2525).
|
||
|
|
|
||
|
|
Default: localhost.
|
||
|
|
|
||
|
|
=item $mailcfg{from}
|
||
|
|
|
||
|
|
C<$mailcfg{from} = 'Mailing script me@mydomain.com';>
|
||
|
|
|
||
|
|
From address used if you don't supply one in your script. Should not be of
|
||
|
|
type 'user@localhost' since that may not be valid on the recipient's
|
||
|
|
host.
|
||
|
|
|
||
|
|
Default: undefined.
|
||
|
|
|
||
|
|
=item $mailcfg{mime}
|
||
|
|
|
||
|
|
C<$mailcfg{mime} = 1;>
|
||
|
|
|
||
|
|
Set this to 0 if you don't want any automatic MIME encoding. You normally
|
||
|
|
don't need this, the module should 'Do the right thing' anyway.
|
||
|
|
|
||
|
|
Default: 1;
|
||
|
|
|
||
|
|
=item $mailcfg{retries}
|
||
|
|
|
||
|
|
C<$mailcfg{retries} = 1;>
|
||
|
|
|
||
|
|
How many times should the connection to the same SMTP server be retried in
|
||
|
|
case of a failure.
|
||
|
|
|
||
|
|
Default: 1;
|
||
|
|
|
||
|
|
=item $mailcfg{delay}
|
||
|
|
|
||
|
|
C<$mailcfg{delay} = 1;>
|
||
|
|
|
||
|
|
Number of seconds to wait between retries. This delay also happens before
|
||
|
|
trying the next server in the list, if the retries for the current server
|
||
|
|
have been exhausted. For CGI scripts, you want few retries and short delays
|
||
|
|
to return with a results page before the http connection times out. For
|
||
|
|
unattended scripts, you may want to use many retries and long delays to
|
||
|
|
have a good chance of your mail being sent even with temporary failures on
|
||
|
|
your network.
|
||
|
|
|
||
|
|
Default: 1 (second);
|
||
|
|
|
||
|
|
=item $mailcfg{tz}
|
||
|
|
|
||
|
|
C<$mailcfg{tz} = '+0800';>
|
||
|
|
|
||
|
|
Normally, your time zone is set automatically, from the difference between
|
||
|
|
C<time()> and C<gmtime()>. This allows you to override automatic detection
|
||
|
|
in cases where your system is confused (such as some Win32 systems in zones
|
||
|
|
which do not use daylight savings time: see Microsoft KB article Q148681)
|
||
|
|
|
||
|
|
Default: undefined (automatic detection at run-time).
|
||
|
|
|
||
|
|
=item $mailcfg{port}
|
||
|
|
|
||
|
|
C<$mailcfg{port} = 25;>
|
||
|
|
|
||
|
|
Port used when none is specified in the server name.
|
||
|
|
|
||
|
|
Default: 25.
|
||
|
|
|
||
|
|
=item $mailcfg{debug}
|
||
|
|
|
||
|
|
C<$mailcfg{debug} = 0;>
|
||
|
|
|
||
|
|
Prints stuff to STDERR. Current maximum is 6, which prints the whole SMTP
|
||
|
|
session, except data exceeding 500 bytes.
|
||
|
|
|
||
|
|
Default: 0;
|
||
|
|
|
||
|
|
=back
|
||
|
|
|
||
|
|
=head2 $Mail::Sendmail::VERSION
|
||
|
|
|
||
|
|
The package version number (you can not import this one)
|
||
|
|
|
||
|
|
=head2 Configuration variables from previous versions
|
||
|
|
|
||
|
|
The following global variables were used in version 0.74 for configuration.
|
||
|
|
As from version 0.78_1, they are not supported anymore.
|
||
|
|
Use the I<%mailcfg> hash if you need to access the configuration
|
||
|
|
from your scripts.
|
||
|
|
|
||
|
|
=over 4
|
||
|
|
|
||
|
|
=item $Mail::Sendmail::default_smtp_server
|
||
|
|
|
||
|
|
=item $Mail::Sendmail::default_smtp_port
|
||
|
|
|
||
|
|
=item $Mail::Sendmail::default_sender
|
||
|
|
|
||
|
|
=item $Mail::Sendmail::TZ
|
||
|
|
|
||
|
|
=item $Mail::Sendmail::connect_retries
|
||
|
|
|
||
|
|
=item $Mail::Sendmail::retry_delay
|
||
|
|
|
||
|
|
=item $Mail::Sendmail::use_MIME
|
||
|
|
|
||
|
|
=back
|
||
|
|
|
||
|
|
=head1 ANOTHER EXAMPLE
|
||
|
|
|
||
|
|
use Mail::Sendmail;
|
||
|
|
|
||
|
|
print "Testing Mail::Sendmail version $Mail::Sendmail::VERSION\n";
|
||
|
|
print "Default server: $Mail::Sendmail::mailcfg{smtp}->[0]\n";
|
||
|
|
print "Default sender: $Mail::Sendmail::mailcfg{from}\n";
|
||
|
|
|
||
|
|
%mail = (
|
||
|
|
#To => 'No to field this time, only Bcc and Cc',
|
||
|
|
#From => 'not needed, use default',
|
||
|
|
Bcc => 'Someone <him@there.com>, Someone else her@there.com',
|
||
|
|
# only addresses are extracted from Bcc, real names disregarded
|
||
|
|
Cc => 'Yet someone else <xz@whatever.com>',
|
||
|
|
# Cc will appear in the header. (Bcc will not)
|
||
|
|
Subject => 'Test message',
|
||
|
|
'X-Mailer' => "Mail::Sendmail version $Mail::Sendmail::VERSION",
|
||
|
|
);
|
||
|
|
|
||
|
|
|
||
|
|
$mail{Smtp} = 'special_server.for-this-message-only.domain.com';
|
||
|
|
$mail{'X-custom'} = 'My custom additionnal header';
|
||
|
|
$mail{'mESSaGE : '} = "The message key looks terrible, but works.";
|
||
|
|
# cheat on the date:
|
||
|
|
$mail{Date} = Mail::Sendmail::time_to_date( time() - 86400 );
|
||
|
|
|
||
|
|
if (sendmail %mail) { print "Mail sent OK.\n" }
|
||
|
|
else { print "Error sending mail: $Mail::Sendmail::error \n" }
|
||
|
|
|
||
|
|
print "\n\$Mail::Sendmail::log says:\n", $Mail::Sendmail::log;
|
||
|
|
|
||
|
|
Also see http://alma.ch/perl/Mail-Sendmail-FAQ.html for examples
|
||
|
|
of HTML mail and sending attachments.
|
||
|
|
|
||
|
|
=head1 CHANGES
|
||
|
|
|
||
|
|
Main changes since version 0.79:
|
||
|
|
|
||
|
|
Experimental SMTP AUTH support (LOGIN PLAIN CRAM-MD5 DIGEST-MD5)
|
||
|
|
|
||
|
|
Fix bug where one refused RCPT TO: would abort everything
|
||
|
|
|
||
|
|
send EHLO, and parse response
|
||
|
|
|
||
|
|
Better handling of multi-line responses, and better error-messages
|
||
|
|
|
||
|
|
Non-conforming line-endings also normalized in headers
|
||
|
|
|
||
|
|
Now keeps the Sender header if it was used. Previous versions
|
||
|
|
only used it for the MAIL FROM: command and deleted it.
|
||
|
|
|
||
|
|
See the F<Changes> file for the full history. If you don't have it
|
||
|
|
because you installed through PPM, you can also find the latest
|
||
|
|
one on F<http://alma.ch/perl/scripts/Sendmail/Changes>.
|
||
|
|
|
||
|
|
=head1 AUTHOR
|
||
|
|
|
||
|
|
Milivoj Ivkovic <mi\x40alma.ch> ("\x40" is "@" of course)
|
||
|
|
|
||
|
|
=head1 NOTES
|
||
|
|
|
||
|
|
MIME::QuotedPrint is used by default on every message if available. It
|
||
|
|
allows reliable sending of accented characters, and also takes care of
|
||
|
|
too long lines (which can happen in HTML mails). It is available in the
|
||
|
|
MIME-Base64 package at http://www.perl.com/CPAN/modules/by-module/MIME/ or
|
||
|
|
through PPM.
|
||
|
|
|
||
|
|
Look at http://alma.ch/perl/Mail-Sendmail-FAQ.html for additional
|
||
|
|
info (CGI, examples of sending attachments, HTML mail etc...)
|
||
|
|
|
||
|
|
You can use this module freely. (Someone complained this is too vague.
|
||
|
|
So, more precisely: do whatever you want with it, but be warned that
|
||
|
|
terrible things will happen to you if you use it badly, like for sending
|
||
|
|
spam, or ...?)
|
||
|
|
|
||
|
|
Thanks to the many users who sent me feedback, bug reports, suggestions, etc.
|
||
|
|
And please excuse me if I forgot to answer your mail. I am not always reliabe
|
||
|
|
in answering mail. I intend to set up a mailing list soon.
|
||
|
|
|
||
|
|
Last revision: 06.02.2003. Latest version should be available on
|
||
|
|
CPAN: F<http://www.cpan.org/modules/by-authors/id/M/MI/MIVKOVIC/>.
|
||
|
|
|
||
|
|
=cut
|