#!/usr/bin/perl -Tw
#
# Create and export VoiceNet_quasar.m4
#
# ivan@voicenet.com late oct 96
#
# change priority (after copies) to 19, not 10
# ivan@voicenet.com 97-feb-5
#
# put file in different place and run different script, as per matt and
# mohamed
# ivan@voicenet.com 97-mar-10
#
# added exit if stuff is already locked ivan@voicenet.com 97-apr-15
#
# removed mail2
# ivan@voicenet.com 97-jul-10
#
# rewrote lots of the bits, now exports qmail "virtualdomain",
# "recipientmap" and "rcpthosts" files as well
#
# ivan@voicenet.com 97-sep-4
#
# adds ".extra" files
#
# ivan@voicenet.com 97-sep-29
#
# added ".pp" files, ugh.
#
# ivan@voicenet.com 97-oct-1
#
# rewrite ivan@sisd.com 98-mar-9
#
# now can create .qmail-default files ivan@sisd.com 98-mar-10
#
# put example $my_domain declaration in ivan@sisd.com 98-mar-23
#
# /var/spool/freeside/conf and sendmail updates ivan@sisd.com 98-aug-14

use strict;
use Fcntl qw(:flock);
use FS::SSH qw(ssh scp);
use FS::UID qw(adminsuidsetup);
use FS::Record qw(qsearch qsearchs);

my($conf_shellm)="/var/spool/freeside/conf/shellmachine";
my($fqmailmachines)="/var/spool/freeside/conf/qmailmachines";
my($shellmachine);
my(@qmailmachines);
if ( -e $fqmailmachines ) {
  open(SHELLMACHINE,$conf_shellm) or die "Can't open $conf_shellm: $!";
  <SHELLMACHINE> =~ /^([\w\.\-]+)$/ or die "Illegal $conf_shellm";
  $shellmachine = $1;
  close SHELLMACHINE;
  open(QMAILMACHINES,$fqmailmachines);
  @qmailmachines=map {
    /^(.*)$/ or die "Illegal line in conf/qmailmachines"; #we trust the file
    $1;
  } grep $_ !~ /^(#|$)/, <QMAILMACHINES>;
  close QMAILMACHINES;
}

my($fsendmailmachines)="/var/spool/freeside/conf/sendmailmachines";
my(@sendmailmachines);
if ( -e $fsendmailmachines ) {
  open(SENDMAILMACHINES,$fsendmailmachines);
  @sendmailmachines=map {
    /^(.*)$/ or die "Illegal line in conf/sendmailmachines"; #we trust the file
    $1;
  } grep $_ !~ /^(#|$)/, <SENDMAILMACHINES>;
  close SENDMAILMACHINES;
}

my($conf_domain)="/var/spool/freeside/conf/domain";
open(DOMAIN,$conf_domain) or die "Can't open $conf_domain: $!";
my($mydomain)=map {
  /^(.*)$/ or die "Illegal line in $conf_domain!"; #yes, we trust the file
  $1
} grep $_ !~ /^(#|$)/, <DOMAIN>;
close DOMAIN;

my($spooldir)="/var/spool/freeside/export";
my($spoollock)="/var/spool/freeside/svc_acct_sm.export.lock";

adminsuidsetup;
umask 066;

open(EXPORT,"+>>$spoollock") or die "Can't open $spoollock: $!";
select(EXPORT); $|=1; select(STDOUT);
unless ( flock(EXPORT,LOCK_EX|LOCK_NB) ) {
  seek(EXPORT,0,0);
  my($pid)=<EXPORT>;
  chop($pid);
  #no reason to start locks of blocking processes
  die "Is another export process running under pid $pid?\n";
}
seek(EXPORT,0,0);
print EXPORT $$,"\n";

my(@svc_acct_sm)=qsearch('svc_acct_sm',{});

( open(RCPTHOSTS,">$spooldir/rcpthosts")
  and flock(RCPTHOSTS,LOCK_EX|LOCK_NB) 
) or die "Can't open $spooldir/rcpthosts: $!";
( open(RECIPIENTMAP,">$spooldir/recipientmap") 
  and flock(RECIPIENTMAP,LOCK_EX|LOCK_NB) 
) or die "Can't open $spooldir/recipientmap: $!";
( open(VIRTUALDOMAINS,">$spooldir/virtualdomains") 
  and flock(VIRTUALDOMAINS,LOCK_EX|LOCK_NB)
) or die "Can't open $spooldir/virtualdomains: $!";
( open(VIRTUSERTABLE,">$spooldir/virtusertable")
  and flock(VIRTUSERTABLE,LOCK_EX|LOCK_NB)
) or die "Can't open $spooldir/virtusertable: $!";
( open(SENDMAIL_CW,">$spooldir/sendmail.cw")
  and flock(SENDMAIL_CW,LOCK_EX|LOCK_NB)
) or die "Can't open $spooldir/sendmail.cw: $!";

setpriority(0,0,10);

my($svc_domain,%domain);
foreach $svc_domain ( qsearch('svc_domain',{}) ) {
  my($domain)=$svc_domain->domain;
  $domain{$svc_domain->svcnum}=$domain;
  print RCPTHOSTS "$domain\n.$domain\n";
  print SENDMAIL_CW "$domain\n";
}

my(@sendmail);

my($svc_acct_sm);
foreach $svc_acct_sm ( qsearch('svc_acct_sm') ) { 
  my($domsvc,$domuid,$domuser)=(
    $svc_acct_sm->domsvc,
    $svc_acct_sm->domuid,
    $svc_acct_sm->domuser,
  );
  my($domain)=$domain{$domsvc};
  my($svc_acct)=qsearchs('svc_acct',{'uid'=>$domuid});
  my($username,$dir,$uid,$gid)=(
    $svc_acct->username,
    $svc_acct->dir,
    $svc_acct->uid,
    $svc_acct->gid,
  );
  next unless $username && $domain && $domuser;

  if ($domuser eq '*') {
    push @sendmail, "\@$domain\t$username\n";
    print VIRTUALDOMAINS "$domain:$username-$domain\n",
                         ".$domain:$username-$domain\n",
    ;
    ###
    # qmail
    ssh("root\@$shellmachine",
      "[ -e $dir/.qmail-default ] || { touch $dir/.qmail-default; chown $uid:$gid $dir/.qmail-default; }"
    ) if ( $shellmachine && $dir && $uid );

  } else {
    print VIRTUSERTABLE "$domuser\@$domain\t$username\n";
    print RECIPIENTMAP "$domuser\@$domain:$username\@$mydomain\n";
  }

  print VIRTUSERTABLE @sendmail;

}

chmod 0644, "$spooldir/sendmail.cw",
            "$spooldir/virtusertable",
            "$spooldir/rcpthosts",
            "$spooldir/recipientmap",
            "$spooldir/virtualdomains",
;

flock(SENDMAIL_CW,LOCK_UN);
flock(VIRTUSERTABLE,LOCK_UN);
flock(RCPTHOSTS,LOCK_UN);
flock(RECIPIENTMAP,LOCK_UN);
flock(VIRTUALDOMAINS,LOCK_UN);

close SENDMAIL_CW;
close VIRTUSERTABLE;
close RCPTHOSTS;
close RECIPIENTMAP;
close VIRTUALDOMAINS;

###
# export stuff
#

my($sendmailmachine);
foreach $sendmailmachine (@sendmailmachines) {
  scp("$spooldir/sendmail.cw","root\@$sendmailmachine:/etc/sendmail.cw.new")
    == 0 or die "scp error: $!";
  scp("$spooldir/virtusertable","root\@$sendmailmachine:/etc/virtusertable.new")
    == 0 or die "scp error: $!";
  ssh("root\@$sendmailmachine",
    "( ".
      "mv /etc/sendmail.cw.new /etc/sendmail.cw; ".
      "mv /etc/virtusertable.new /etc/virtusertable; ".
      #"/etc/init.d/sendmail restart; ".
    " )"
  )
    == 0 or die "ssh error: $!";
}

my($qmailmachine);
foreach $qmailmachine (@qmailmachines) {
  scp("$spooldir/recipientmap","root\@$qmailmachine:/var/qmail/control/recipientmap")
    == 0 or die "scp error: $!";
  scp("$spooldir/virtualdomains","root\@$qmailmachine:/var/qmail/control/virtualdomains")
    == 0 or die "scp error: $!";
  scp("$spooldir/rcpthosts","root\@$qmailmachine:/var/qmail/control/rcpthosts")
    == 0 or die "scp error: $!";
  #ssh("root\@$qmailmachine","/etc/init.d/qmail restart")
  #  == 0 or die "ssh error: $!";
}

unlink $spoollock;
flock(EXPORT,LOCK_UN);
close EXPORT;