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#!/usr/bin/perl
#
# Copyright (c) 2012-2016, The Trusted Domain Project.  All rights reserved.
#
# Script to generate regular DMARC reports.

###
### Setup
###

use strict;
use warnings;

use Switch;

use DBI;
use File::Basename;
use File::Temp;
use Net::Domain qw(hostfqdn hostdomain);
use Getopt::Long;
use IO::Handle;
use IO::Compress::Zip qw(zip);
use POSIX;
use MIME::Base64;
use Net::SMTP;
use Time::Local;

require DBD::mysql;

require HTTP::Request;

# general
my $progname      = basename($0);
my $version       = "1.3.2";
my $verbose       = 0;
my $helponly      = 0;
my $showversion   = 0;

my $interval;

my $gen;
my $uri;

my $buf;

my $mailout;
my $boundary;

my $tmpout;

my $repfile;
my $zipfile;

my $zipin;

my $now = time();

my $repstart;
my $repend;

my $domain;
my $domainid;
my $domainset;
my $forcedomain;
my @skipdomains;

my $policy;
my $spolicy;
my $policystr;
my $spolicystr;
my $pct;

my $repuri;
my @repuris;
my $lastsent;

my $aspf;
my $aspfstr;
my $adkim;
my $adkimstr;
my $align_dkim;
my $align_dkimstr;
my $align_spf;
my $align_spfstr;
my $spfresult;
my $dkimresult;
my $disp;
my $spfresultstr;
my $dkimresultstr;
my $dispstr;
my $ipaddr;
my $fromdomain;
my $envdomain;
my $dkimdomain;

my $repdest;

my $smtpstatus;
my $smtpfail;

my $doupdate = 1;
my $testmode = 0;
my $keepfiles = 0;
my $use_utc = 0;
my $daybound = 0;
my $report_maxbytes_global = 15728640; # default: 15M, per spec

my $msgid;

my $rowcount;

my $dbi_s;
my $dbi_h;
my $dbi_a;
my $dbi_d;

# DB parameters
my $def_dbhost    = "localhost";
my $def_dbname    = "opendmarc";
my $def_dbuser    = "opendmarc";
my $def_dbpasswd  = "opendmarc";
my $def_dbport    = "3306";
my $def_interval  = "86400";
my $dbhost;
my $dbname;
my $dbuser;
my $dbpasswd;
my $dbport;

my $dbscheme     = "mysql";

my $repdom       = hostdomain();
my $repemail     = "postmaster@" . $repdom;

my $smtp_server  = '127.0.0.1';
my $smtp_port    = 25;
my $smtp_user    = 'postmaster@varak.net';
my $smtp_pass    = "Pojka8uj";
my $smtp;
my $smtp_sasl;
my $smtp_mech;

my $answer;

###
### NO user-serviceable parts beyond this point
###

sub usage
{
        print STDERR "$progname: usage: $progname [options]\n";
        print STDERR "\t--day              send yesterday's data\n";
        print STDERR "\t--dbhost=host      database host [$def_dbhost]\n";
        print STDERR "\t--dbname=name      database name [$def_dbname]\n";
        print STDERR "\t--dbpasswd=passwd  database password [$def_dbpasswd]\n";
        print STDERR "\t--dbport=port      database port [$def_dbport]\n";
        print STDERR "\t--dbuser=user      database user [$def_dbuser]\n";
        print STDERR "\t--domain=name      force a report for named domain\n";
        print STDERR "\t--help             print help and exit\n";
        print STDERR "\t--interval=secs    report interval [$def_interval]\n";
        print STDERR "\t--keepfiles        keep xml files (in local directory)\n";
        print STDERR "\t -n                synonym for --test\n";
        print STDERR "\t--nodomain=name    omit a report for named domain\n";
        print STDERR "\t--noupdate         don't record report transmission\n";
        print STDERR "\t--report-email     reporting contact [$repemail]\n";
        print STDERR "\t--report-org       reporting organization [$repdom]\n";
        print STDERR "\t--smtp-port        smtp server port [$smtp_port]\n";
        print STDERR "\t--smtp-server      smtp server [$smtp_server]\n";
        print STDERR "\t--test             don't send reports\n";
        print STDERR "\t                   (implies --keepfiles --noupdate)\n";
        print STDERR "\t--utc              operate in UTC\n";
        print STDERR "\t--verbose          verbose output\n";
        print STDERR "\t                   (repeat for increased output)\n";
        print STDERR "\t--version          print version and exit\n";
}

# set locale
setlocale(LC_ALL, 'C');

# parse command line arguments
my $opt_retval = &Getopt::Long::GetOptions ('day!' => \$daybound,
                                            'dbhost=s' => \$dbhost,
                                            'dbname=s' => \$dbname,
                                            'dbpasswd=s' => \$dbpasswd,
                                            'dbport=s' => \$dbport,
                                            'dbuser=s' => \$dbuser,
                                            'domain=s' => \$forcedomain,
                                            'help!' => \$helponly,
                                            'interval=i' => \$interval,
                                            'keepfiles' => \$keepfiles,
                                            'n|test' => \$testmode,
                                            'nodomain=s' => \@skipdomains,
                                            'report-email=s' => \$repemail,
                                            'report-org=s' => \$repdom,
                                            'smtp-server=s' => \$smtp_server,
                                            'smtp-port=i' => \$smtp_port,
                                            'smtp-user=s' => \$smtp_user,
                                            'smtp-pass=s' => \$smtp_pass,
                                            'update!' => \$doupdate,
                                            'utc!' => \$use_utc,
                                            'verbose+' => \$verbose,
                                            'version!' => \$showversion,
                                           );

if (!$opt_retval || $helponly)
{
        usage();

        if ($helponly)
        {
                exit(0);
        }
        else
        {
                exit(1);
        }
}

if ($showversion)
{
        print STDOUT "$progname v$version\n";
        exit(0);
}

# apply defaults
if (!defined($dbhost))
{
        if (defined($ENV{'OPENDMARC_DBHOST'}))
        {
                $dbhost = $ENV{'OPENDMARC_DBHOST'};
        }
        else
        {
                $dbhost = $def_dbhost;
        }
}

if (!defined($dbname))
{
        if (defined($ENV{'OPENDMARC_DB'}))
        {
                $dbname = $ENV{'OPENDMARC_DB'};
        }
        else
        {
                $dbname = $def_dbname;
        }
}

if (!defined($dbpasswd))
{
        if (defined($ENV{'OPENDMARC_PASSWORD'}))
        {
                $dbpasswd = $ENV{'OPENDMARC_PASSWORD'};
        }
        else
        {
                $dbpasswd = $def_dbpasswd;
        }
}

if (!defined($dbport))
{
        if (defined($ENV{'OPENDMARC_PORT'}))
        {
                $dbport = $ENV{'OPENDMARC_PORT'};
        }
        else
        {
                $dbport = $def_dbport;
        }
}

if (!defined($dbuser))
{
        if (defined($ENV{'OPENDMARC_USER'}))
        {
                $dbuser = $ENV{'OPENDMARC_USER'};
        }
        else
        {
                $dbuser = $def_dbuser;
        }
}

if (defined($interval) && $daybound)
{
        print STDERR "$progname: WARN: --day overrides --interval\n";
}

if (!defined($interval) || $daybound)
{
        $interval = $def_interval;
}

# Test mode requested, don't update last sent and keep xml files
$doupdate  = ($testmode == 1) ? 0 : $doupdate;
$keepfiles = ($testmode == 1) ? 1 : $keepfiles;

if ($verbose)
{
        print STDERR "$progname: started at " . localtime($now) . "\n";
}

my $dbi_dsn = "DBI:" . $dbscheme . ":database=" . $dbname .
              ";host=" . $dbhost . ";port=" . $dbport;

$dbi_h = DBI->connect($dbi_dsn, $dbuser, $dbpasswd, { PrintError => 0 });
if (!defined($dbi_h))
{
        print STDERR "$progname: unable to connect to database: $DBI::errstr\n";
        exit(1);
}

if ($verbose >= 2)
{
        print STDERR "$progname: connected to database\n";
}

if ($use_utc)
{
        $dbi_s = $dbi_h->prepare("SET TIME_ZONE='+00:00'");

        if (!$dbi_s->execute())
        {
                print STDERR "$progname: failed to change to UTC: " . $dbi_h->errstr . "\n";
                $dbi_s->finish;
                $dbi_h->disconnect;
                exit(1);
        }
}

#
# Select domains on which to report
#

if ($verbose >= 2)
{
        print STDERR "$progname: selecting target domains\n";
}

if (defined($forcedomain))
{
        $dbi_s = $dbi_h->prepare("SELECT name FROM domains WHERE name = ?");

        if (!$dbi_s->execute($forcedomain))
        {
                print STDERR "$progname: failed to test for database entry: " . $dbi_h->errstr . "\n";
                $dbi_s->finish;
                $dbi_h->disconnect;
                exit(1);
        }
}
elsif ($daybound)
{
        $dbi_s = $dbi_h->prepare("SELECT domains.name FROM requests JOIN domains ON requests.domain = domains.id WHERE DATE(lastsent) < DATE(FROM_UNIXTIME(?))");

        if (!$dbi_s->execute($now))
        {
                print STDERR "$progname: failed to collect domain names: " . $dbi_h->errstr . "\n";
                $dbi_s->finish;
                $dbi_h->disconnect;
                exit(1);
        }
}
else
{
        $dbi_s = $dbi_h->prepare("SELECT domains.name FROM requests JOIN domains ON requests.domain = domains.id WHERE lastsent <= DATE_SUB(FROM_UNIXTIME(?), INTERVAL ? SECOND)");

        if (!$dbi_s->execute($now, $interval))
        {
                print STDERR "$progname: failed to collect domain names: " . $dbi_h->errstr . "\n";
                $dbi_s->finish;
                $dbi_h->disconnect;
                exit(1);
        }
}

$domainset = $dbi_s->fetchall_arrayref([0]);
$dbi_s->finish;

if ($verbose)
{
        print STDERR "$progname: selected " . scalar(@$domainset) . " domain(s)\n";
}

#
# For each domain:
#       -- extract reporting address
#       -- extract messages/signatures to report
#       -- generate and send report
#       -- update "last sent" timestamp
#

$smtp = Net::SMTP->new($smtp_server,
                       'Port' => $smtp_port,
                       'Hello' => hostfqdn());
if (!defined($smtp))
{
        print STDERR "$progname: open SMTP server $smtp_server:$smtp_port failed\n";
        exit(1);
}

if ($smtp_user && $smtp_pass)
{
        if ($smtp_mech)
        {
                $smtp_sasl = Authen::SASL->new(
                        mechanism => $smtp_mech,
                        callback  => {
                                user => $smtp_user,
                                pass => $smtp_pass,
                                #authname => $smtp_user
                        }
                );
                if (!$smtp->auth($smtp_sasl))
                {
                        print STDERR "$progname: SMTP AUTH failed.\n";
                        exit(1);
                }
        }
        else
        {
                if (!$smtp->auth($smtp_user, $smtp_pass))
                {
                        print STDERR "$progname: SMTP AUTH failed.\n";
                        exit(1);
                }
        }
}


foreach (@$domainset)
{
        $domain = $_->[0];

        if (!defined($domain))
        {
                next;
        }

        if (@skipdomains && grep({$_ eq $domain} @skipdomains) != 0)
        {
                next;
        }

        if ($verbose >= 2)
        {
                print STDERR "$progname: processing $domain\n";
        }

        # extract this domain's reporting parameters
        $dbi_s = $dbi_h->prepare("SELECT id FROM domains WHERE name = ?");
        if (!$dbi_s->execute($domain))
        {
                print STDERR "$progname: can't get ID for domain $domain: " . $dbi_h->errstr . "\n";
                $dbi_s->finish;
                $dbi_h->disconnect;
                exit(1);
        }

        undef $domainid;
        while ($dbi_a = $dbi_s->fetchrow_arrayref())
        {
                if (defined($dbi_a->[0]))
                {
                        $domainid = $dbi_a->[0];
                }
        }
        $dbi_s->finish;

        if (!defined($domainid))
        {
                print STDERR "$progname: ID for domain $domain not found\n";
                next;
        }

        $dbi_s = $dbi_h->prepare("SELECT repuri, adkim, aspf, policy, spolicy, pct, UNIX_TIMESTAMP(lastsent) FROM requests WHERE domain = ?");
        if (!$dbi_s->execute($domainid))
        {
                print STDERR "$progname: can't get reporting URI for domain $domain: " . $dbi_h->errstr . "\n";
                $dbi_s->finish;
                $dbi_h->disconnect;
                exit(1);
        }

        undef $repuri;

        while ($dbi_a = $dbi_s->fetchrow_arrayref())
        {
                if (defined($dbi_a->[0]))
                {
                        $repuri = $dbi_a->[0];
                }
                if (defined($dbi_a->[1]))
                {
                        $adkim = $dbi_a->[1];
                }
                if (defined($dbi_a->[2]))
                {
                        $aspf = $dbi_a->[2];
                }
                if (defined($dbi_a->[3]))
                {
                        $policy = $dbi_a->[3];
                }
                if (defined($dbi_a->[4]))
                {
                        $spolicy = $dbi_a->[4];
                }
                if (defined($dbi_a->[5]))
                {
                        $pct = $dbi_a->[5];
                }
                if (defined($dbi_a->[6]))
                {
                        $lastsent = $dbi_a->[6];
                }
        }

        $dbi_s->finish;

        if (!defined($repuri) || ("" eq $repuri))
        {
                if ($verbose >= 2)
                {
                        print STDERR "$progname: no reporting URI for domain $domain; skipping\n";
                }

                next;
        }

        if ($daybound)
        {
                my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime($now - $interval);
                $repstart = timelocal(0, 0, 0, $mday, $mon, $year);
                ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime($now);
                $repend = timelocal(0, 0, 0, $mday, $mon, $year);
        }
        else
        {
                $repstart = $now - $interval;
                $repend = $now;
        }

        # construct the temporary file
        $repfile = $repdom . "!" . $domain . "!" . $repstart . "!" . $repend . ".xml";
        $zipfile = $repdom . "!" . $domain . "!" . $repstart . "!" . $repend . ".zip";
        if (!open($tmpout, ">", $repfile))
        {
                print STDERR "$progname: can't create report file for domain $domain\n";
                next;
        }

        switch ($adkim)
        {
                case ord("r")   { $adkimstr = "r"; }
                case ord("s")   { $adkimstr = "s"; }
                else            { $adkimstr = "unknown"; }
        }

        switch ($aspf)
        {
                case ord("r")   { $aspfstr = "r"; }
                case ord("s")   { $aspfstr = "s"; }
                else            { $aspfstr = "unknown"; }
        }

        switch ($policy)
        {
                case ord("n")   { $policystr = "none"; }
                case ord("q")   { $policystr = "quarantine"; }
                case ord("r")   { $policystr = "reject"; }
                else            { $policystr = "unknown"; }
        }

        switch ($spolicy)
        {
                case 0          { $spolicystr = $policystr; }
                case ord("n")   { $spolicystr = "none"; }
                case ord("q")   { $spolicystr = "quarantine"; }
                case ord("r")   { $spolicystr = "reject"; }
                else            { $spolicystr = "unknown"; }
        }


        print $tmpout "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n";
        print $tmpout "<feedback>\n";

        print $tmpout " <report_metadata>\n";
        print $tmpout "  <org_name>$repdom</org_name>\n";
        print $tmpout "  <email>$repemail</email>\n";
        print $tmpout "  <report_id>$domain:$now</report_id>\n";
        print $tmpout "  <date_range>\n";
        print $tmpout "   <begin>$repstart</begin>\n";
        print $tmpout "   <end>$repend</end>\n";
        print $tmpout "  </date_range>\n";
        print $tmpout " </report_metadata>\n";

        print $tmpout " <policy_published>\n";
        print $tmpout "  <domain>$domain</domain>\n";
        print $tmpout "  <adkim>$adkimstr</adkim>\n";
        print $tmpout "  <aspf>$aspfstr</aspf>\n";
        print $tmpout "  <p>$policystr</p>\n";
        print $tmpout "  <sp>$spolicystr</sp>\n";
        print $tmpout "  <pct>$pct</pct>\n";
        print $tmpout " </policy_published>\n";

        if ($daybound)
        {
                $dbi_s = $dbi_h->prepare("SELECT messages.id, ipaddr.addr, messages.disp, d1.name, d2.name, messages.spf, messages.align_spf, messages.align_dkim FROM messages JOIN ipaddr ON messages.ip = ipaddr.id JOIN domains d1 ON messages.from_domain = d1.id JOIN domains d2 ON messages.env_domain = d2.id WHERE messages.from_domain = ? AND DATE(messages.date) >= DATE(FROM_UNIXTIME(?)) AND DATE(messages.date) < DATE(FROM_UNIXTIME(?))");
        }
        else
        {
                $dbi_s = $dbi_h->prepare("SELECT messages.id, ipaddr.addr, messages.disp, d1.name, d2.name, messages.spf, messages.align_spf, messages.align_dkim FROM messages JOIN ipaddr ON messages.ip = ipaddr.id JOIN domains d1 ON messages.from_domain = d1.id JOIN domains d2 ON messages.env_domain = d2.id WHERE messages.from_domain = ? AND messages.date > FROM_UNIXTIME(?) AND messages.date <= FROM_UNIXTIME(?)");
        }

        if (!$dbi_s->execute($domainid, $repstart, $repend))
        {
                print STDERR "$progname: can't extract report for domain $domain: " . $dbi_h->errstr . "\n";
                $dbi_s->finish;
                $dbi_h->disconnect;
                exit(1);
        }

        $rowcount = 0;

        while ($dbi_a = $dbi_s->fetchrow_arrayref())
        {
                undef $msgid;

                if (defined($dbi_a->[0]))
                {
                        $msgid = $dbi_a->[0];
                }
                if (defined($dbi_a->[1]))
                {
                        $ipaddr = $dbi_a->[1];
                }
                if (defined($dbi_a->[2]))
                {
                        $disp = $dbi_a->[2];
                }
                if (defined($dbi_a->[3]))
                {
                        $fromdomain = $dbi_a->[3];
                }
                if (defined($dbi_a->[4]))
                {
                        $envdomain = $dbi_a->[4];
                }
                if (defined($dbi_a->[5]))
                {
                        $spfresult = $dbi_a->[5];
                }
                if (defined($dbi_a->[6]))
                {
                        $align_spf = $dbi_a->[6];
                }
                if (defined($dbi_a->[7]))
                {
                        $align_dkim = $dbi_a->[7];
                }

                if (!defined($msgid))
                {
                        next;
                }

                $rowcount++;

                switch ($disp)
                {
                        case 0  { $dispstr = "reject"; }
                        case 1  { $dispstr = "reject"; }
                        case 2  { $dispstr = "none"; }
                        case 4  { $dispstr = "quarantine"; }
                        else    { $dispstr = "unknown"; }
                }

                switch ($spfresult)
                {
                        case 0  { $spfresultstr = "pass"; }
                        case 2  { $spfresultstr = "softfail"; }
                        case 3  { $spfresultstr = "neutral"; }
                        case 4  { $spfresultstr = "temperror"; }
                        case 5  { $spfresultstr = "permerror"; }
                        case 6  { $spfresultstr = "none"; }
                        case 7  { $spfresultstr = "fail"; }
                        case 8  { $spfresultstr = "policy"; }
                        case 9  { $spfresultstr = "nxdomain"; }
                        case 10 { $spfresultstr = "signed"; }
                        case 12 { $spfresultstr = "discard"; }
                        else    { $spfresultstr = "unknown"; }
                }

                switch ($align_dkim)
                {
                        case 4  { $align_dkimstr = "pass"; }
                        case 5  { $align_dkimstr = "fail"; }
                        else    { $align_dkimstr = "unknown"; }
                }

                switch ($align_spf)
                {
                        case 4  { $align_spfstr = "pass"; }
                        case 5  { $align_spfstr = "fail"; }
                        else    { $align_spfstr = "unknown"; }
                }

                print $tmpout " <record>\n";
                print $tmpout "  <row>\n";
                print $tmpout "   <source_ip>$ipaddr</source_ip>\n";
                print $tmpout "   <count>1</count>\n";
                print $tmpout "   <policy_evaluated>\n";
                print $tmpout "    <disposition>$dispstr</disposition>\n";
                print $tmpout "    <dkim>$align_dkimstr</dkim>\n";
                print $tmpout "    <spf>$align_spfstr</spf>\n";
                print $tmpout "   </policy_evaluated>\n";
                print $tmpout "  </row>\n";
                print $tmpout "  <identifiers>\n";
                print $tmpout "   <header_from>$fromdomain</header_from>\n";
                print $tmpout "  </identifiers>\n";
                print $tmpout "  <auth_results>\n";
                print $tmpout "   <spf>\n";
                print $tmpout "    <domain>$envdomain</domain>\n";
                print $tmpout "    <result>$spfresultstr</result>\n";
                print $tmpout "   </spf>\n";

                $dbi_d = $dbi_h->prepare("SELECT domains.name, pass FROM signatures JOIN domains ON signatures.domain = domains.id WHERE signatures.message = ?");
                if (!$dbi_d->execute($msgid))
                {
                        print STDERR "$progname: can't extract report for message $msgid: " . $dbi_h->errstr . "\n";
                        $dbi_s->finish;
                        $dbi_d->finish;
                        $dbi_h->disconnect;
                        exit(1);
                }

                my %dkim_domain_result_cache = ();
                while ($dbi_a = $dbi_d->fetchrow_arrayref())
                {
                        undef $dkimdomain;

                        if (defined($dbi_a->[0]))
                        {
                                $dkimdomain = $dbi_a->[0];
                        }
                        if (defined($dbi_a->[1]))
                        {
                                $dkimresult = $dbi_a->[1];
                        }

                        if (!defined($dkimdomain))
                        {
                                next;
                        }
                        if (defined($dkim_domain_result_cache{$dkimdomain}{$dkimresult}))
                        {
                                next; # no duplicate per-record auth_result dkim sections
                        }
                        $dkim_domain_result_cache{$dkimdomain}{$dkimresult}++;

                        switch ($dkimresult)
                        {
                                case 0  { $dkimresultstr = "pass"; }
                                case 2  { $dkimresultstr = "softfail"; }
                                case 3  { $dkimresultstr = "neutral"; }
                                case 4  { $dkimresultstr = "temperror"; }
                                case 5  { $dkimresultstr = "permerror"; }
                                case 6  { $dkimresultstr = "none"; }
                                case 7  { $dkimresultstr = "fail"; }
                                case 8  { $dkimresultstr = "policy"; }
                                case 9  { $dkimresultstr = "nxdomain"; }
                                case 10 { $dkimresultstr = "signed"; }
                                case 12 { $dkimresultstr = "discard"; }
                                else    { $dkimresultstr = "unknown"; }
                        }

                        print $tmpout "   <dkim>\n";
                        print $tmpout "    <domain>$dkimdomain</domain>\n";
                        print $tmpout "    <result>$dkimresultstr</result>\n";
                        print $tmpout "   </dkim>\n";
                }

                $dbi_d->finish;

                print $tmpout "  </auth_results>\n";
                print $tmpout " </record>\n";
        }

        $dbi_s->finish;

        print $tmpout "</feedback>\n";

        close($tmpout);

        if ($rowcount == 0)
        {
                if ($verbose >= 2)
                {
                        print STDERR "$progname: no activity selected for $domain; skipping\n";
                }

                unlink($repfile);
                next;
        }

        # zip the report
        if (!zip [ $repfile ] => $zipfile)
        {
                print STDERR "$progname: can't zip report for domain $domain: $!\n";
                next;
        }

        if ($keepfiles)
        {
                print STDERR "$progname: keeping report file \"$repfile\"\n";
        }

        # decode the URI
        @repuris = split(',', $repuri);

        for $repuri (@repuris)
        {
                $uri = URI->new($repuri);
                if (!defined($uri) ||
                    !defined($uri->scheme) ||
                    $uri->opaque eq "")
                {
                        print STDERR "$progname: can't parse reporting URI for domain $domain\n";
                        next;
                }

                $repdest = $uri->opaque;
                my $report_maxbytes = $report_maxbytes_global;

                # check for max report size
                if ($repdest =~ m/^(\S+)!(\d{1,15})([kmgt])?$/i)
                {
                        $repdest = $1;
                        $report_maxbytes = $2;
                        if ($3)
                        {
                                my $letter = lc($3);
                                if ($letter eq 'k')
                                {
                                        $report_maxbytes = $report_maxbytes * 1024;
                                }
                                if ($letter eq 'm')
                                {
                                        $report_maxbytes = $report_maxbytes * 1048576;
                                }
                                if ($letter eq 'g')
                                {
                                        $report_maxbytes = $report_maxbytes * (2**30);
                                }
                                if ($letter eq 't')
                                {
                                        $report_maxbytes = $report_maxbytes * (2**40);
                                }
                        }
                }

                # Test mode, just report what would have been done
                if ($testmode)
                {
                        print STDERR "$progname: would email $domain report for " .
                                     "$rowcount records to " .  $uri->opaque . "\n";
                }
                # ensure a scheme is present
                elsif (!defined($uri->scheme))
                {
                        if ($verbose >= 2)
                        {
                                print STDERR "$progname: unknown URI scheme in '$repuri' for domain $domain\n";
                        }
                        next;
                }
                # send/post report
                elsif ($uri->scheme eq "mailto")
                {
                        my $datestr;
                        my $report_id;

                        if (!open($zipin, $zipfile))
                        {
                                print STDERR "$progname: can't read zipped report for $domain: $!\n";
                                next;
                        }

                        $boundary = "report_section";

                        $report_id = $domain . "-" . $now . "@" . $repdom;
                        $datestr = strftime("%a, %e %b %Y %H:%M:%S %z (%Z)",
                                            localtime);

                        $mailout  = "To: $repdest\n";
                        $mailout .= "From: $repemail\n";
                        $mailout .= "Subject: Report Domain: " . $domain . " Submitter: " . $repdom . " Report-ID: " . $report_id . "\n";
                        $mailout .= "X-Mailer: " . $progname . " v" . $version ."\n";
                        $mailout .= "Date: " . $datestr . "\n";
                        $mailout .= "Message-ID: <$report_id>\n";
                        $mailout .= "Auto-Submitted: auto-generated\n";
                        $mailout .= "MIME-Version: 1.0\n";
                        $mailout .= "Content-Type: multipart/mixed; boundary=\"$boundary\"\n";
                        $mailout .= "\n";
                        $mailout .= "This is a MIME-encapsulated message.\n";
                        $mailout .= "\n";
                        $mailout .= "--$boundary\n";
                        $mailout .= "Content-Type: text/plain;\n";
                        $mailout .= "\n";
                        $mailout .= "This is a DMARC aggregate report for $domain\n";
                        $mailout .= "generated at " . localtime() . "\n";
                        $mailout .= "\n";
                        $mailout .= "--$boundary\n";
                        $mailout .= "Content-Type: application/zip\n";
                        $mailout .= "Content-Disposition: attachment; filename=\"$zipfile\"\n";
                        $mailout .= "Content-Transfer-Encoding: base64\n";
                        $mailout .= "\n";

                        while (read($zipin, $buf, 60*57))
                        {
                                $mailout .= encode_base64($buf);
                        }

                        $mailout .= "\n";
                        $mailout .= "--$boundary--\n";
                        my $reportsize = length($mailout);

                        if ($reportsize > $report_maxbytes)
                        {
                                # XXX -- generate an error report here
                                print STDERR "$progname: report was too large ($reportsize bytes) per limitation of URI " . $uri->opaque . " for domain $domain\n";
                        }
                        else
                        {
                                $smtpstatus = "sent";
                                $smtpfail = 0;
                                if (!$smtp->mail($repemail) ||
                                    !$smtp->to($repdest) ||
                                    !$smtp->data() ||
                                    !$smtp->datasend($mailout) ||
                                    !$smtp->dataend())
                                {
                                        $smtpfail = 1;
                                        $smtpstatus = "failed to send";
                                }

                                if ($verbose || $smtpfail)
                                {
                                        # now perl voodoo:
                                        $answer = ${${*$smtp}{'net_cmd_resp'}}[1] || $smtp->message() || 'unknown error';
                                        chomp($answer);
                                        print STDERR "$progname: $smtpstatus report for $domain to $repdest ($answer)\n";
                                }
                        }

                        $smtp->reset();

                        close($zipin);
                }
                else
                {
                        print STDERR "$progname: unsupported reporting URI scheme " . $uri->scheme . " for domain $domain\n";
                        next;
                }
        }

        # update "last sent" timestamp
        if ($doupdate)
        {
                $dbi_s = $dbi_h->prepare("UPDATE requests SET lastsent = FROM_UNIXTIME(?) WHERE domain = ?");
                if (!$dbi_s->execute($repend, $domainid))
                {
                        print STDERR "$progname: can't update last sent time for domain $domain: " . $dbi_h->errstr . "\n";
                        $dbi_s->finish;
                        $dbi_h->disconnect;
                        exit(1);
                }
        }

        unlink($zipfile);
        if (!$keepfiles)
        {
                unlink($repfile);
        }
}

$smtp->quit();

#
# all done!
#

$dbi_s->finish;

if ($verbose)
{
        print STDERR "$progname: terminating at " . localtime() . "\n";
}

$dbi_h->disconnect;

exit(0);


Zerion Mini Shell 1.0