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#! /usr/bin/perl
# This is a Perl script that reads an Exim run-time configuration file for
# Exim 3. It makes what changes it can for Exim 4, and also output commentary
# on what it has done, and on things it cannot do.
# It is assumed that the input is a valid Exim 3 configuration file.
use warnings;
BEGIN { pop @INC if $INC[-1] eq '.' };
use Getopt::Long;
use File::Basename;
GetOptions(
'version' => sub {
print basename($0) . ": $0\n",
"build: 4.97.1\n",
"perl(runtime): $^V\n";
exit 0;
},
);
# These are lists of main options which are abolished in Exim 4.
# The first contains options that are used to construct new options.
@skipped_options = (
"auth_hosts",
"auth_over_tls_hosts",
"errors_address",
"headers_check_syntax",
"headers_checks_fail",
"headers_sender_verify",
"headers_sender_verify_errmsg",
"host_accept_relay",
"host_auth_accept_relay",
"host_reject_recipients",
"local_domains",
"local_domains_include_host",
"local_domains_include_host_literals",
"log_all_parents",
"log_arguments",
"log_incoming_port",
"log_interface",
"log_level",
"log_received_sender",
"log_received_recipients",
"log_rewrites",
"log_sender_on_delivery",
"log_smtp_confirmation",
"log_smtp_connections",
"log_smtp_syntax_errors",
"log_subject",
"log_queue_run_level",
"rbl_domains",
"rbl_hosts",
"rbl_reject_recipients",
"receiver_verify",
"receiver_verify_addresses",
"receiver_verify_hosts",
"receiver_verify_senders",
"recipients_reject_except",
"recipients_reject_except_senders",
"relay_domains",
"relay_domains_include_local_mx",
"sender_address_relay",
"sender_address_relay_hosts",
"sender_reject_recipients",
"sender_verify",
"sender_verify_hosts_callback",
"sender_verify_callback_domains",
"sender_verify_callback_timeout",
"sender_verify_hosts",
"smtp_etrn_hosts",
"smtp_expn_hosts",
"smtp_verify",
"tls_host_accept_relay",
"tls_hosts",
"tls_log_cipher",
"tls_log_peerdn",
"tls_verify_ciphers"
);
# The second contains options that are completely abolished and have
# no equivalent.
@abolished_options = (
"always_bcc",
"debug_level",
"helo_strict_syntax",
"kill_ip_options",
"log_ip_options",
"log_refused_recipients",
"message_size_limit_count_recipients",
"rbl_log_headers",
"rbl_log_rcpt_count",
"receiver_try_verify",
"refuse_ip_options",
"relay_match_host_or_sender",
"sender_try_verify",
"sender_verify_batch",
"sender_verify_fixup",
"sender_verify_reject",
"sender_verify_max_retry_rate",
);
# This is a list of options that are not otherwise handled, but which
# contain domain or host lists that have to be processed so that any
# regular expressions are marked "not for expansion".
@list_options = (
"dns_again_means_nonexist",
"hold_domains",
"hosts_treat_as_local",
"percent_hack_domains",
"queue_smtp_domains",
"helo_accept_junk_hosts",
"host_lookup",
"ignore_fromline_hosts",
"rfc1413_hosts",
"sender_unqualified_hosts",
"smtp_reserve_hosts",
"tls_advertise_hosts",
"tls_verify_hosts",
);
##################################################
# Output problem rubric once #
##################################################
sub rubric {
return if $rubric_output;
$rubric_output = 1;
print STDERR "\n" .
"** The following comments describe problems that have been encountered\n" .
" while converting an Exim 3 runtime file for Exim 4. More detail can\n" .
" be found in the file doc/Exim4.upgrade.\n";
}
##################################################
# Analyse one line #
##################################################
sub checkline{
my($line) = $_[0];
return "comment" if $line =~ /^\s*(#|$)/;
return "end" if $line =~ /^\s*end\s*$/i;
# Macros are recognized only in the first section of the file.
return "macro" if $prefix eq "" && $line =~ /^\s*[A-Z]/;
# In retry and rewrite sections, the type is always "other"
return "other" if $prefix eq "=retry" || $prefix eq "=rewrite";
# Pick out the name at the start and the rest of the line (into global
# variables) and return whether the start of a driver or not.
($hide,$name,$rest) = $line =~ /^\s*(hide\s+|)([a-z0-9_]+)\s*(.*?)\s*$/;
# If $rest begins with a colon, this is a driver name
return "driver" if $rest =~ /^:/;
# If $rest begins with an = the value of the option is given explicitly;
# remove the = from the start. Turn "yes"/"no" into "true"/"false".
if ($rest =~ /^=/)
{
$rest =~ s/^=\s*//;
$rest = "true" if $rest eq "yes";
$rest = "false" if $rest eq "no";
}
# Otherwise we have a boolean option. Set up a "true"/"false" value.
else
{
if ($name =~ /^not?_/) # Recognize "no_" or "not_"
{
$rest = "false";
$name =~ s/^not?_//;
}
else
{
$rest = "true";
}
}
return "option";
}
##################################################
# Negate a list of things #
##################################################
# Can be tricky, because there may be comment lines in the list.
# Also, lists may have different delimiters.
sub negate {
my($list) = $_[0];
my($delim) = ":";
my($leadin) = "";
return $list if ! defined $list;
($list) = $list =~ /^"?(.*?)"?\s*$/s; # Remove surrounding quotes
$list =~ s/\\\s*\n\s*//g; # Remove continuation markers
if ($list =~ /^(\s*<(\S)\s*)(.*)/s)
{
$leadin = $1;
$delim = $2;
$list = $3;
}
$list =~ s/^\s+//;
$list =~ s/\Q$delim$delim/>%%%%</g;
@split = split /\s*\Q$delim\E\s*/s, $list;
foreach $item (@split)
{
$item =~ s/>%%%%</$delim$delim/g;
if ($item =~ /^\s*#/)
{
$item =~ s/((?:^\s*#[^\n]*\n)+\s*)/$1! /mg;
$item =~ s/!\s*!//sg;
}
else
{
if ($item =~ /^\s*!(.*)/)
{ $item = $1; }
else
{ $item = "! " . $item; }
}
}
$" = " $delim \\\n ";
$leadin .= " " if $leadin !~ /(^|\s)$/;
return "$leadin@split";
}
##################################################
# Prevent regex expansion in a list of things #
##################################################
# Can be tricky, because there may be comment lines in the list.
# Also, lists may have different delimiters.
sub no_expand_regex {
my($list) = $_[0];
my($delim) = ":";
my($leadin) = "";
return $list if ! defined $list;
$delim = $_[1] if (defined $_[1]);
my($is_route_list) = $delim eq ";";
($list) = $list =~ /^"?(.*?)"?\s*$/s; # Remove surrounding quotes
$list =~ s/\\\s*\n\s*//g; # Remove continuation markers
if ($list =~ /^(\s*<(\S)\s*)(.*)/s)
{
$leadin = $1;
$delim = $2;
$list = $3;
}
$list =~ s/^\s+//;
$list =~ s/\Q$delim$delim/>%%%%</g;
@split = split /\s*\Q$delim\E\s*/s, $list;
my($changed) = 0;
foreach $item (@split)
{
$item =~ s/>%%%%</$delim$delim/g;
if ($item =~ /^\^/)
{
# Fudge for route_list items
if ($is_route_list)
{
$item = "\\N$item"; # Only one item ...
}
else
{
$item = "\\N$item\\N";
}
$changed = 1;
}
}
print STDOUT
"#!!# Regular expressions enclosed in \\N...\\N to avoid expansion\n"
if $changed;
$" = " $delim \\\n ";
$leadin .= " " if $leadin !~ /(^|\s)$/;
return "$leadin@split";
}
##################################################
# Sort out lookups in an address list #
##################################################
# Can be tricky, because there may be comment lines in the list.
# Also, lists may have different delimiters.
sub sort_address_list {
my($list) = $_[0];
my($name) = $_[1];
my($delim) = ":";
my($leadin) = "";
my($quoted) = 0;
return $list if ! defined $list;
if ($list =~ /^"(.*?)"\s*$/s) # Remove surrounding quotes
{
$list = $1;
$quoted = 1;
}
$list =~ s/\\\s*\n\s*//g; # Remove continuation markers
if ($list =~ /^(\s*<(\S)\s*)(.*)/s)
{
$leadin = $1;
$delim = $2;
$list = $3;
}
$list =~ s/^\s+//;
$list =~ s/\Q$delim$delim/>%%%%</g;
@split = split /\s*\Q$delim\E\s*/s, $list;
foreach $item (@split)
{
$item =~ s/>%%%%</$delim$delim/g;
if ($item =~ /^\s*(?:partial-)?(\w+;.*)$/)
{
my($lookup) = $1;
if ($lookup =~ /^lsearch|^dbm|^cdb|^nis[^p]/)
{
&rubric();
print STDERR "\n" .
"** The Exim 3 \"$name\" option specifies an address\n" .
" list that includes the item\n\n" .
" $item\n\n" .
" In Exim 4 address lists, single-key lookups without a local part just\n" .
" look up the complete address. They don't also try the domain, as\n" .
" happened in Exim 3. The item has been rewritten as two items to make\n" .
" it behave in the same way as Exim 3, but you should check to see if\n" .
" this is actually what you want.\n";
$item = "*\@$item $delim $lookup";
}
}
}
$" = " $delim \\\n ";
$leadin .= " " if $leadin !~ /(^|\s)$/;
return $quoted? "\"$leadin@split\"" : "$leadin@split";
}
##################################################
# Quote a string against expansion #
##################################################
# Used for setting up new "domains" options
sub expquote {
my($s) = $_[0];
$s =~ s/\$/\\\$/sg;
$s =~ s/\\(?!\s*\n)/\\\\/sg;
return $s;
}
##################################################
# Dequote an option string #
##################################################
# If the original list is not quoted, do nothing.
# If it is quoted, just get rid of the quotes.
sub unquote {
my($s) = $_[0];
$s =~ s/^"(.*)"$/$1/s;
return $s;
}
##################################################
# Quote/dequote an option string #
##################################################
# If the original list is not quoted, quote it against expansion.
# If it is quoted, just get rid of the quotes. Also, indent any
# continuations.
sub acl_quote {
my($s) = $_[0];
$s = ($s =~ /^"(.*)"$/s)? $1 : &expquote($s);
$s =~ s/\n/\n /g;
$s =~ s/\n\s{11,}/\n /g;
return $s;
}
##################################################
# Handle abolished driver options #
##################################################
sub abolished {
my($hash) = shift @_;
my($name) = shift @_;
for $abolished (@_)
{
if (defined $$hash{$abolished})
{
&rubric();
print STDERR "\n" .
"** $name used the \"$abolished\" option, which no\n".
" longer exists. The option has been removed.\n";
print STDOUT "#!!# $abolished option removed\n";
delete $$hash{$abolished};
}
}
}
##################################################
# Handle renamed driver options #
##################################################
sub renamed {
my($hash,$old,$new) = @_;
if (defined $$hash{$old})
{
print STDOUT "#!!# $old renamed $new\n";
$$hash{$new} = $$hash{$old};
delete $$hash{$old};
}
}
##################################################
# Comment on user names in require_files #
##################################################
sub check_require {
my($string, $name) = @_;
$string =~ s/::/[[[]]]/g;
my(@list) = split /:/, $string;
my($item);
for $item (@list)
{
if ($item =~ /^\s*[\w,]+\s*$/)
{
&rubric();
$item =~ s/^\s*//;
$item =~ s/\s*$//;
print STDERR "\n" .
"** A setting of require_files in the $name contains\n" .
" what appears to be a user name ('$item'). The ability to check files\n" .
" as a specific user is done differently in Exim 4. In fact, because the\n" .
" routers run as root, you may not need this at all.\n"
}
}
}
##################################################
# Handle current and home directory #
##################################################
sub handle_current_and_home_directory {
my($hash,$driver,$name) = @_;
for ("current_directory", "home_directory")
{
if (defined $$hash{$_} && $$hash{$_} eq "check_local_user")
{
my($article) = (substr($driver, 0, 1) eq "a")? "an" : "a";
&rubric();
print STDERR "\n" .
"** The Exim 3 configuration contains $article '$driver' director called\n" .
" '$name', which set '$_' to the special value\n" .
" 'check_local_user'. This facility has been abolished in Exim 4 because\n" .
" it is no longer necessary. The setting has therefore been omitted. See\n" .
" note X.\n";
delete $$hash{$_};
}
else
{
&renamed($hash, $_, "transport_$_");
}
}
}
##################################################
# Handle batch/bsmtp for appendfile/pipe #
##################################################
sub handle_batch_and_bsmtp{
my($hash) = @_;
if (defined $$hash{"bsmtp"})
{
if ($$hash{"bsmtp"} ne "none")
{
$$hash{"use_bsmtp"} = "true";
$$hash{"message_prefix"} = "\"HELO \$primary_host_name\\n\""
if defined $$hash{"bsmtp_helo"} && $$hash{"bsmtp_helo"} eq "true";
}
if ($$hash{"bsmtp"} eq "one")
{
delete $$hash{"batch"};
}
else
{
$$hash{"batch"} = $$hash{"bsmtp"};
}
delete $$hash{"bsmtp"};
delete $$hash{"bsmtp_helo"};
}
if (defined $$hash{"batch"} && $$hash{"batch"} ne "none")
{
$$hash{"batch_max"} = "100" if !defined $$hash{"batch_max"};
$$hash{"batch_id"} = "\$domain" if $$hash{"batch"} eq "domain";
}
else
{
$$hash{"batch_max"} = "1" if defined $$hash{"batch_max"};
}
delete $$hash{"batch"};
}
##################################################
# Output one option #
##################################################
sub outopt {
my($hash, $key, $no_expand) = @_;
my($data) = $$hash{$key};
print STDOUT "hide " if defined $$hash{"$key-hide"};
# Output booleans in the form that doesn't use "="
if ($data eq "true")
{
print STDOUT "$key\n";
}
elsif ($data eq "false")
{
print STDOUT "no_$key\n";
}
else
{
if ($no_expand)
{
printf STDOUT ("$key = %s\n", &no_expand_regex($data));
}
else
{
print STDOUT "$key = $data\n";
}
}
}
##################################################
# Output the options for one driver #
##################################################
# Put the "driver" option first
sub outdriver {
my($hash) = $_[0];
print STDOUT " driver = $$hash{'driver'}\n";
foreach $key (sort keys %$hash)
{
next if $key eq "driver" || $key =~ /-hide$/;
print STDOUT " ";
&outopt($hash, $key, 0);
}
}
##################################################
# Output a rewrite or a retry line #
##################################################
# These lines start with patterns which are now always expanded. If the
# pattern is a regex, arrange for it not to expand.
sub print_no_expand {
my($s) = $_[0];
if ($s =~ /^\^/)
{
if (!$escape_output)
{
&rubric();
print STDERR "\n" .
"** You have a retry or rewrite pattern that is a regular expression. Because\n" .
" these patterns are now always expanded, you need to be sure that the\n" .
" special characters in the regex are not interpreted by the expander.\n" .
" \\N has been inserted at the start of the regex to prevent the rest of\n" .
" it from being expanded.\n";
$escape_output = 1;
}
print STDOUT "\\N";
}
print STDOUT "$s\n";
}
##################################################
# Test a boolean main option #
##################################################
# This just saves a lot of typing
sub bool {
return defined $main{$_[0]} && $main{$_[0]} eq "true";
}
##################################################
# Main program #
##################################################
print STDERR "Runtime configuration file converter for Exim release 4.\n";
$transport_start = $director_start = $router_start = $retry_start
= $rewrite_start = $auth_start = 999999;
$macro_output = "";
$rubric_output = 0;
$errmsg_output = 0;
$key_output = 0;
$unk_output = 0;
$escape_output = 0;
$add_no_more = 0;
$add_caseful_local_part = 0;
$done_dns_check_names = 0;
$queue_only_load_was_present = 0;
$deliver_queue_load_max_was_present = 0;
# Read the entire file into an array
chomp(@c = <STDIN>);
$clen = scalar @c;
# Remove the standard comment that appears at the end of the default
if ($clen > 0 && $c[$clen-1] =~ /^#\s*End of Exim configuration file\s*/i)
{
pop @c;
$clen--;
}
# The first pass over the input fishes out all the options settings in the
# main, transport, director, and router sections, and places their values in
# associative arrays. It also notes the starting position of all the sections.
$prefix = "";
%main = ();
$hash = \%main;
for ($i = 0; $i < $clen; $i++)
{
# Change references to +allow_unknown and +warn_unknown into +include_unknown
if ($c[$i] =~ /\+(?:allow|warn)_unknown/)
{
if (!$unk_output)
{
&rubric();
print STDERR "\n" .
"** You have used '+allow_unknown' or '+warn_unknown' in a configuration\n" .
" option. This has been converted to '+include_unknown', but the action\n" .
" is different in Exim 4, so you should review all the relevant options.\n";
$unk_output = 1;
}
$c[$i] =~ s/\+(?:allow|warn)_unknown/+include_unknown/g;
}
# Any reference to $errmsg_recipient is changed to $bounce_recipient
if ($c[$i] =~ /\$errmsg_recipient/)
{
if (!$errmsg_output)
{
&rubric();
print STDERR "\n" .
"** References to \$errmsg_recipient have been changed to \$bounce_recipient\n";
$errmsg_output = 1;
}
$c[$i] =~ s/\$errmsg_recipient/\$bounce_recipient/g;
}
# Analyse the type of line
$type = &checkline($c[$i]);
next if $type eq "comment";
# Output a warning if $key is used
if ($c[$i] =~ /\$key/ && !$key_output)
{
&rubric();
print STDERR "\n" .
"** You have used '\$key' in a configuration option. This variable does not\n" .
" exist in Exim 4. Instead, the value you need for your lookup will be\n" .
" in one of the other variables such as '\$domain' or '\$host'. You will\n" .
" need to edit the new configuration to sort this out.\n";
$key_output = 1;
}
# Save macro definitions so we can output them first; must handle
# continuations.
if ($type eq "macro")
{
$macro_output .= "$c[$i++]\n" while $c[$i] =~ /\\\s*$|^\s*#/;
$macro_output .= "$c[$i]\n";
}
# Handle end of section
elsif ($type eq "end")
{
if ($prefix eq "=rewrite")
{
$prefix = "a.";
$auth_start = $i + 1;
last;
}
elsif ($prefix eq "=retry")
{
$prefix = "=rewrite";
$rewrite_start = $i + 1;
}
elsif ($prefix eq "r.")
{
$prefix = "=retry";
$retry_start = $i + 1;
}
elsif ($prefix eq "d.")
{
$prefix = "r.";
$router_start = $i + 1;
}
elsif ($prefix eq "t.")
{
$prefix = "d.";
$director_start = $i + 1;
}
elsif ($prefix eq "")
{
$prefix = "t.";
$transport_start = $i + 1;
}
}
# Handle start of a new director, router or transport driver
elsif ($type eq "driver" && $prefix !~ /^=/)
{
$hash = {};
if (defined $driverlist{"$prefix$name"})
{
die "*** There are two drivers with the name \"$name\"\n";
}
$driverlist{"$prefix$name"} = $hash;
$first_director = $name if !defined $first_director && $prefix eq "d.";
}
# Handle definition of an option; we must pull in any continuation
# strings, and save the value in the current hash. Note if the option
# is hidden.
elsif ($type eq "option")
{
my($nextline) = "";
while ($i < $clen - 1 && ($rest =~ /\\\s*$/s || $nextline =~ /^\s*#/))
{
$nextline = $c[++$i];
$rest .= "\n$nextline";
}
$$hash{$name} = $rest;
$$hash{"$name-hide"} = 1 if $hide ne "";
}
}
# Generate the new configuration. Start with a warning rubric.
print STDOUT "#!!# This file is output from the convert4r4 script, which tries\n";
print STDOUT "#!!# to convert Exim 3 configurations into Exim 4 configurations.\n";
print STDOUT "#!!# However, it is not perfect, especially with non-simple\n";
print STDOUT "#!!# configurations. You must check it before running it.\n";
print STDOUT "\n\n";
# Output the macro definitions
if ($macro_output ne "")
{
print STDOUT "#!!# All macro definitions have been gathered here to ensure\n";
print STDOUT "#!!# they precede any references to them.\n\n";
print STDOUT "$macro_output\n";
}
# Output some default pointers to ACLs for RCPT and DATA time. If no Exim 3
# options that apply are set, non-restricting ACLs are generated.
print STDOUT "#!!# These options specify the Access Control Lists (ACLs) that\n";
print STDOUT "#!!# are used for incoming SMTP messages - after the RCPT and DATA\n";
print STDOUT "#!!# commands, respectively.\n\n";
print STDOUT "acl_smtp_rcpt = check_recipient\n";
print STDOUT "acl_smtp_data = check_message\n\n";
if (defined $main{"auth_over_tls_hosts"})
{
print STDOUT "#!!# This option specifies the Access Control List (ACL) that\n";
print STDOUT "#!!# is used after an AUTH command.\n\n";
print STDOUT "acl_smtp_auth = check_auth\n\n";
}
if (&bool("smtp_verify") ||
defined $main{"smtp_etrn_hosts"} ||
defined $main{"smtp_expn_hosts"})
{
print STDOUT "#!!# These options specify the Access Control Lists (ACLs) that\n";
print STDOUT "#!!# are used to control the ETRN, EXPN, and VRFY commands.\n";
print STDOUT "#!!# Where no ACL is defined, the command is locked out.\n\n";
print STDOUT "acl_smtp_etrn = check_etrn\n" if defined $main{"smtp_etrn_hosts"};
print STDOUT "acl_smtp_expn = check_expn\n" if defined $main{"smtp_expn_hosts"};
print STDOUT "acl_smtp_vrfy = check_vrfy\n" if &bool("smtp_verify");
print STDOUT "\n";
}
# If local_domains was set, get its value; otherwise set to "@". Add into it
# appropriate magic for local_domains_include_host[_literals].
$local_domains = (defined $main{"local_domains"})? $main{"local_domains"} : "@";
$ldsep = ":";
if ($local_domains =~ /^\s*<(.)\s*(.*)/s)
{
$ldsep = $1;
$local_domains = $2;
}
$local_domains = "\@[] $ldsep " . $local_domains
if defined $main{"local_domains_include_host_literals"} &&
$main{"local_domains_include_host_literals"} eq "true";
$local_domains = "\@ $ldsep " . $local_domains
if defined $main{"local_domains_include_host"} &&
$main{"local_domains_include_host"} eq "true";
$local_domains = "<$ldsep " . $local_domains if $ldsep ne ":";
# Output a domain list setting for these domains, provided something is defined
if ($local_domains !~ /^\s*$/)
{
print STDOUT "#!!# This setting defines a named domain list called\n";
print STDOUT "#!!# local_domains, created from the old options that\n";
print STDOUT "#!!# referred to local domains. It will be referenced\n";
print STDOUT "#!!# later on by the syntax \"+local_domains\".\n";
print STDOUT "#!!# Other domain and host lists may follow.\n\n";
printf STDOUT ("domainlist local_domains = %s\n\n",
&no_expand_regex($local_domains));
}
$relay_domains = (defined $main{"relay_domains"})? $main{"relay_domains"} : "";
$ldsep = ":";
if ($relay_domains =~ /^\s*<(.)\s*(.*)/s)
{
$ldsep = $1;
}
if (defined $main{"relay_domains_include_local_mx"})
{
$relay_domains .= ($relay_domains =~ /^\s*$/)? "\@mx_any" :
" $ldsep \@mx_any";
}
printf STDOUT ("domainlist relay_domains = %s\n",
&no_expand_regex($relay_domains))
if $relay_domains !~ /^\s*$/;
# If ignore_errmsg_errors is set, we are going to force 0s as the value
# for ignore_errmsg_errors_after, so arrange to skip any other value.
push @skipped_options, "ignore_errmsg_errors_after"
if &bool("ignore_errmsg_errors");
# If rbl_domains is set, split it up and generate six lists:
# rbl_warn_domains, rbl_warn_domains_skiprelay
# rbl_reject_domains, rbl_reject_domains_skiprelay
# rbl_accept_domains, rbl_accept_domains_skiprelay
if (defined $main{"rbl_domains"})
{
my($s) = &unquote($main{"rbl_domains"});
$s =~ s/\s*\\\s*\n\s*/ /g;
my(@list) = split /\s*:\s*/, $s;
foreach $d (@list)
{
my(@sublist) = split /\//, $d;
my($name) = shift @sublist;
my($warn) = 0;
if (defined $main{"rbl_reject_recipients"})
{
$warn = $main{"rbl_reject_recipients"} ne "true";
}
foreach $o (@sublist)
{
$warn = 1 if $o eq "warn";
$warn = 0 if $o eq "reject";
$warn = 2 if $o eq "accept";
$skiprelay = 1 if $o eq "skiprelay";
}
if ($skiprelay)
{
if ($warn == 0)
{
$rbl_reject_skiprelay .= ((defined $rbl_reject_skiprelay)? ":":"").$name;
}
elsif ($warn == 1)
{
$rbl_warn_skiprelay .= ((defined $rbl_warn_skiprelay)? ":":"").$name;
}
elsif ($warn == 2)
{
$rbl_accept_skiprelay .= ((defined $rbl_accept_skiprelay)? ":":"").$name;
}
}
else
{
if ($warn == 0)
{
$rbl_reject_domains .= ((defined $rbl_reject_domains)? ":":"").$name;
}
elsif ($warn == 1)
{
$rbl_warn_domains .= ((defined $rbl_warn_domains)? ":":"").$name;
}
elsif ($warn == 2)
{
$rbl_accept_domains .= ((defined $rbl_accept_domains)? ":":"").$name;
}
}
}
}
# Output host list settings
printf STDOUT ("hostlist auth_hosts = %s\n",
&no_expand_regex($main{"auth_hosts"}))
if defined $main{"auth_hosts"};
printf STDOUT ("hostlist rbl_hosts = %s\n",
&no_expand_regex($main{"rbl_hosts"}))
if defined $main{"rbl_hosts"};
printf STDOUT ("hostlist relay_hosts = %s\n",
&no_expand_regex($main{"host_accept_relay"}))
if defined $main{"host_accept_relay"};
printf STDOUT ("hostlist auth_relay_hosts = %s\n",
&no_expand_regex($main{"host_auth_accept_relay"}))
if defined $main{"host_auth_accept_relay"};
printf STDOUT ("hostlist auth_over_tls_hosts = %s\n",
&no_expand_regex($main{"auth_over_tls_hosts"}))
if defined $main{"auth_over_tls_hosts"};
printf STDOUT ("hostlist tls_hosts = %s\n",
&no_expand_regex($main{"tls_hosts"}))
if defined $main{"tls_hosts"};
printf STDOUT ("hostlist tls_relay_hosts = %s\n",
&no_expand_regex($main{"tls_host_accept_relay"}))
if defined $main{"tls_host_accept_relay"};
print STDOUT "\n";
# Convert various logging options
$log_selector = "";
$sep = " \\\n ";
if (defined $main{"log_level"})
{
my($level) = $main{"log_level"};
$log_selector .= "$sep -retry_defer$sep -skip_delivery" if $level < 5;
$log_selector .= "$sep -lost_incoming_connection$sep -smtp_syntax_error" .
"$sep -delay_delivery" if $level < 4;
$log_selector .= "$sep -size_reject" if $level < 2;
}
$log_selector .= "$sep -queue_run"
if defined $main{"log_queue_run_level"} &&
defined $main{"log_level"} &&
$main{"log_queue_run_level"} > $main{"log_level"};
$log_selector .= "$sep +address_rewrite" if &bool("log_rewrites");
$log_selector .= "$sep +all_parents" if &bool("log_all_parents");
$log_selector .= "$sep +arguments" if &bool("log_arguments");
$log_selector .= "$sep +incoming_port" if &bool("log_incoming_port");
$log_selector .= "$sep +incoming_interface" if &bool("log_interface");
$log_selector .= "$sep +received_sender" if &bool("log_received_sender");
$log_selector .= "$sep +received_recipients" if &bool("log_received_recipients");
$log_selector .= "$sep +sender_on_delivery" if &bool("log_sender_on_delivery");
$log_selector .= "$sep +smtp_confirmation" if &bool("log_smtp_confirmation");
$log_selector .= "$sep +smtp_connection" if &bool("log_smtp_connections");
$log_selector .= "$sep +smtp_syntax_error" if &bool("log_smtp_syntax_errors");
$log_selector .= "$sep +subject" if &bool("log_subject");
$log_selector .= "$sep +tls_cipher" if &bool("tls_log_cipher");
$log_selector .= "$sep +tls_peerdn" if &bool("tls_log_peerdn");
if ($log_selector ne "")
{
print STDOUT "#!!# All previous logging options are combined into a single\n"
. "#!!# option in Exim 4. This setting is an approximation to\n"
. "#!!# the previous state - some logging has changed.\n\n";
print STDOUT "log_selector = $log_selector\n\n";
}
# If deliver_load_max is set, replace it with queue_only_load (taking the
# lower value if both set) and also set deliver_queue_load_max if it is
# not already set. When scanning for output, deliver_load_max is skipped.
if (defined $main{"deliver_load_max"})
{
&rubric();
print STDERR "\n" .
"** deliver_load_max is abolished in Exim 4.\n";
if (defined $main{"queue_only_load"})
{
$queue_only_load_was_present = 1;
if ($main{"queue_only_load"} < $main{"deliver_load_max"})
{
print STDERR
" As queue_only_load was set lower, deliver_load_max is just removed.\n";
}
else
{
print STDERR
" As queue_only_load was set higher, it's value has been replaced by\n" .
" the value of deliver_load_max.\n";
$main{"queue_only_load"} = $main{"deliver_load_max"};
}
}
else
{
print STDERR
" queue_only_load has been set to the load value.\n";
$main{"queue_only_load"} = $main{"deliver_load_max"};
}
if (!defined $main{"deliver_queue_load_max"})
{
print STDERR
" deliver_queue_load_max has been set to the value of queue_only_load.\n";
$main{"deliver_queue_load_max"} = $main{"queue_only_load"};
}
else
{
$deliver_queue_load_max_was_present = 1;
}
}
# Now we scan through the various parts of the file again, making changes
# as necessary.
# -------- The main configuration --------
$prefix = "";
MainLine: for ($i = 0; $i < $clen; $i++)
{
my($nextline) = "";
$type = &checkline($c[$i]);
last if $type eq "end";
if ($type eq "macro")
{
$i++ while $c[$i] =~ /\\\s*$|^\s*#/;
next;
}
if ($type eq "comment") { print STDOUT "$c[$i]\n"; next; }
# Collect any continuation lines for an option setting
while ($rest =~ /\\\s*$/s || $nextline =~ /^\s*#/)
{
$nextline = $c[++$i];
$rest .= "\n$nextline";
}
$rest =~ s/^=\s*//;
# Deal with main options that are skipped (they are used in other
# options in other places).
for $skipped (@skipped_options)
{
next MainLine if $name eq $skipped;
}
# Deal with main options that are totally abolished
for $abolished (@abolished_options)
{
if ($name eq $abolished)
{
&rubric();
print STDERR "\n" .
"** The $name option no longer exists, and has no equivalent\n" .
" in Exim 4.\n";
next MainLine;
}
}
# There is a special case for rbl_warn_header
if ($name eq "rbl_warn_header")
{
&rubric();
print STDERR "\n" .
"** The $name option no longer exists. In Exim 4 you can achieve the\n" .
" effect by adding a suitable \"message\" statement in the ACL.\n";
}
# There is a special case for sender_reject and host_reject
elsif ($name eq "sender_reject" || $name eq "host_reject")
{
&rubric();
print STDERR "\n" .
"** The $name option no longer exists. Its data has been used in\n" .
" an Access Control List as if it were in ${name}_recipients.\n";
}
# And a special message for prohibition_message
elsif ($name eq "prohibition_message")
{
&rubric();
print STDERR "\n" .
"** The prohibition_message option no longer exists. The facility is\n" .
" provided in a different way in Exim 4, via the \"message\" keyword\n" .
" in Access Control Lists. It isn't possible to do an automatic conversion,\n" .
" so the value of prohibition_message has been ignored. You will have to\n" .
" modify the ACLs if you want to reinstate the feature.\n";
}
# auth_always_advertise gets converted to auth_advertise_hosts
elsif ($name eq "auth_always_advertise")
{
print STDOUT "#!!# auth_always_advertise converted to auth_advertise_hosts\n";
if (&bool("auth_always_advertise"))
{
print STDOUT "auth_advertise_hosts = *\n";
}
else
{
$sep = "";
print STDOUT "auth_advertise_hosts =";
if (defined $main{"auth_hosts"})
{
print STDOUT "$sep +auth_hosts";
$sep = " :";
}
if (defined $main{"host_accept_relay"})
{
print STDOUT "$sep !+relay_hosts";
$sep = " :";
}
if (defined $main{"host_auth_accept_relay"})
{
print STDOUT "$sep +auth_relay_hosts";
}
print STDOUT "\n";
}
}
# Deal with main options that have to be rewritten
elsif ($name eq "accept_timeout")
{
print STDOUT "#!!# accept_timeout renamed receive_timeout\n";
print STDOUT "receive_timeout = $rest\n";
}
elsif ($name eq "collapse_source_routes")
{
print STDOUT "#!!# collapse_source_routes removed\n";
print STDOUT "#!!# It has been a no-op since 3.10.\n";
}
elsif ($name eq "daemon_smtp_service")
{
print STDOUT "#!!# daemon_smtp_service renamed daemon_smtp_port\n";
print STDOUT "daemon_smtp_port = $rest\n";
}
elsif ($name eq "dns_check_names" || $name eq "dns_check_names_pattern")
{
if (!$done_dns_check_names)
{
if (&bool("dns_check_names"))
{
if (defined $main{"dns_check_names_pattern"})
{
&outopt(\%main, "dns_check_names_pattern", 0);
}
}
else
{
print STDOUT "#!!# dns_check_names has been abolished\n";
print STDOUT "#!!# setting dns_check_pattern empty to turn off check\n";
print STDOUT "dns_check_names_pattern =\n";
}
$done_dns_check_names = 1;
}
}
elsif ($name eq "deliver_load_max")
{
print STDOUT "deliver_queue_load_max = $main{'deliver_queue_load_max'}\n"
if !$deliver_queue_load_max_was_present;
print STDOUT "queue_only_load = $main{'queue_only_load'}\n"
if !$queue_only_load_was_present;
}
elsif ($name eq "errmsg_file")
{
print STDOUT "#!!# errmsg_file renamed bounce_message_file\n";
print STDOUT "bounce_message_file = $rest\n";
}
elsif ($name eq "errmsg_text")
{
print STDOUT "#!!# errmsg_text renamed bounce_message_text\n";
print STDOUT "bounce_message_text = $rest\n";
}
elsif ($name eq "forbid_domain_literals")
{
print STDOUT "#!!# forbid_domain_literals replaced by allow_domain_literals\n";
print STDOUT "allow_domain_literals = ",
&bool("forbid_domain_literals")? "false" : "true", "\n";
}
elsif ($name eq "freeze_tell_mailmaster")
{
print STDOUT "#!!# freeze_tell_mailmaster replaced by freeze_tell\n";
if (&bool("freeze_tell_mailmaster"))
{
print STDOUT "freeze_tell = ",
((defined $main{"errors_address"})?
$main{"errors_address"} : "postmaster"), "\n";
}
else
{
print STDOUT "#!!# freeze_tell is unset by default\n";
}
}
elsif ($name eq "helo_verify")
{
print STDOUT "#!!# helo_verify renamed helo_verify_hosts\n";
printf STDOUT ("helo_verify_hosts = %s\n", &no_expand_regex($rest));
}
elsif ($name eq "ignore_errmsg_errors")
{
print STDOUT "ignore_bounce_errors_after = 0s\n";
}
elsif ($name eq "ignore_errmsg_errors_after")
{
print STDOUT "#!!# ignore_errmsg_errors_after renamed ignore_bounce_errors_after\n";
print STDOUT "ignore_bounce_errors_after = $rest\n";
}
elsif ($name eq "ipv4_address_lookup" || $name eq "dns_ipv4_lookup")
{
print STDOUT "#!!# $name changed to dns_ipv4_lookup\n"
if $name eq "ipv4_address_lookup";
print STDOUT "#!!# dns_ipv4_lookup is now a domain list\n";
if (&bool($name))
{
print STDOUT "dns_ipv4_lookup = *\n";
}
else
{
print STDOUT "#!!# default for dns_ipv4_lookup is unset\n";
}
}
elsif ($name eq "locally_caseless")
{
print STDOUT "#!!# locally_caseless removed\n";
print STDOUT "#!!# caseful_local_part will be added to ex-directors\n";
$add_caseful_local_part = 1;
}
elsif ($name eq "message_filter_directory2_transport")
{
print STDOUT "#!!# message_filter_directory2_transport removed\n";
}
elsif ($name =~ /^message_filter(.*)/)
{
print STDOUT "#!!# $name renamed system_filter$1\n";
print STDOUT "system_filter$1 = $rest\n";
}
elsif ($name eq "queue_remote_domains")
{
print STDOUT "#!!# queue_remote_domains renamed queue_domains\n";
printf STDOUT ("queue_domains = %s\n", &no_expand_regex($rest));
}
elsif ($name eq "receiver_unqualified_hosts")
{
print STDOUT "#!!# receiver_unqualified_hosts renamed recipient_unqualified_hosts\n";
printf STDOUT ("recipient_unqualified_hosts = %s\n",
&no_expand_regex($rest));
}
elsif ($name eq "remote_sort")
{
print STDOUT "#!!# remote_sort renamed remote_sort_domains\n";
printf STDOUT ("remote_sort_domains = %s\n", &no_expand_regex($rest));
}
elsif ($name eq "security")
{
if ($rest eq "unprivileged")
{
print STDOUT "#!!# security=unprivileged changed to deliver_drop_privilege\n";
print STDOUT "deliver_drop_privilege\n";
}
else
{
&rubric();
print STDERR "\n" .
"** The 'security' option no longer exists.\n";
}
}
elsif ($name eq "timestamps_utc")
{
print STDOUT "#!!# timestamps_utc changed to use timezone\n";
print STDOUT "timezone = utc\n";
}
elsif ($name eq "untrusted_set_sender")
{
print STDOUT "#!!# untrusted_set_sender is now a list of what can be set\n";
print STDOUT "#!!# The default is an empty list.\n";
if (&bool("untrusted_set_sender"))
{
print STDOUT "untrusted_set_sender = *\n";
}
}
elsif ($name eq "warnmsg_file")
{
print STDOUT "#!!# warnmsg_file renamed warn_message_file\n";
print STDOUT "warn_message_file = $rest\n";
}
# Remaining options just get copied unless they are one of those that's
# a list where any regular expressions have to be escaped.
else
{
my($no_expand) = 0;
foreach $o (@list_options)
{
if ($name eq $o)
{
$no_expand = 1;
last;
}
}
&outopt(\%main, $name, $no_expand);
}
}
# -------- The ACL configuration --------
print STDOUT "\n";
print STDOUT "#!!#######################################################!!#\n";
print STDOUT "#!!# This new section of the configuration contains ACLs #!!#\n";
print STDOUT "#!!# (Access Control Lists) derived from the Exim 3 #!!#\n";
print STDOUT "#!!# policy control options. #!!#\n";
print STDOUT "#!!#######################################################!!#\n";
print STDOUT "\n";
print STDOUT "#!!# These ACLs are crudely constructed from Exim 3 options.\n";
print STDOUT "#!!# They are almost certainly not optimal. You should study\n";
print STDOUT "#!!# them and rewrite as necessary.\n";
print STDOUT "\nbegin acl\n\n";
# Output an ACL for use after the RCPT command. This combines all the previous
# policy checking options.
print STDOUT "#!!# ACL that is used after the RCPT command\n";
print STDOUT "check_recipient:\n";
print STDOUT " # Exim 3 had no checking on -bs messages, so for compatibility\n";
print STDOUT " # we accept if the source is local SMTP (i.e. not over TCP/IP).\n";
print STDOUT " # We do this by testing for an empty sending host field.\n";
print STDOUT " accept hosts = :\n";
if (defined $main{"tls_verify_ciphers"})
{
print STDOUT " deny ";
print STDOUT "hosts = $main{'tls_verify_hosts'}\n "
if defined $main{"tls_verify_hosts"};
print STDOUT " encrypted = *\n ";
print STDOUT "!encrypted = $main{'tls_verify_ciphers'}\n";
}
print STDOUT " deny hosts = +auth_hosts\n" .
" message = authentication required\n" .
" !authenticated = *\n"
if defined $main{"auth_hosts"};
print STDOUT " deny hosts = +tls_hosts\n" .
" message = encryption required\n" .
" !encrypted = *\n"
if defined $main{"tls_hosts"};
printf STDOUT (" accept recipients = %s\n",
&acl_quote(&sort_address_list($main{"recipients_reject_except"},
"recipients_reject_except")))
if defined $main{"recipients_reject_except"};
printf STDOUT (" accept senders = %s\n",
&acl_quote(&sort_address_list($main{"recipients_reject_except_senders"},
"recipients_reject_except_senders")))
if defined $main{"recipients_reject_except_senders"};
printf STDOUT (" deny hosts = %s\n", &acl_quote($main{"host_reject"}))
if defined $main{"host_reject"};
printf STDOUT (" deny hosts = %s\n",
&acl_quote($main{"host_reject_recipients"}))
if defined $main{"host_reject_recipients"};
if (defined $main{"rbl_domains"})
{
my($msg) = "message = host is listed in \$dnslist_domain\n ";
my($hlist) = (defined $main{"rbl_hosts"})?
"hosts = +rbl_hosts\n " : "";
print STDOUT " accept ${hlist}dnslists = $rbl_accept_domains\n"
if defined $rbl_accept_domains;
print STDOUT " deny ${hlist}${msg}dnslists = $rbl_reject_domains\n"
if defined $rbl_reject_domains;
print STDOUT " warn ${hlist}" .
"message = X-Warning: \$sender_host_address is listed at \$dnslist_domain\n" .
" dnslists = $rbl_warn_domains\n"
if defined $rbl_warn_domains;
if (defined $main{"host_accept_relay"})
{
$hlist .= "hosts = !+relay_hosts\n ";
print STDOUT " accept ${hlist}dnslists = $rbl_accept_skiprelay\n"
if defined $rbl_accept_skiprelay;
print STDOUT " deny ${hlist}${msg}dnslists = $rbl_reject_skiprelay\n"
if defined $rbl_reject_skiprelay;
print STDOUT " warn ${hlist}" .
"message = X-Warning: \$sender_host_address is listed at \$dnslist_domain\n" .
" dnslists = $rbl_warn_skiprelay\n"
if defined $rbl_warn_skiprelay;
}
}
printf STDOUT (" deny senders = %s\n",
&acl_quote(&sort_address_list($main{"sender_reject"}, "sender_reject")))
if defined $main{"sender_reject"};
printf STDOUT (" deny senders = %s\n",
&acl_quote(&sort_address_list($main{"sender_reject_recipients"},
"sender_reject_recipients")))
if defined $main{"sender_reject_recipients"};
if (&bool("sender_verify"))
{
if (defined $main{"sender_verify_hosts_callback"} &&
defined $main{"sender_verify_callback_domains"})
{
printf STDOUT (" deny hosts = %s\n",
&acl_quote($main{"sender_verify_hosts_callback"}));
printf STDOUT (" sender_domains = %s\n",
&acl_quote($main{"sender_verify_callback_domains"}));
print STDOUT " !verify = sender/callout";
print STDOUT "=$main{\"sender_verify_callback_timeout\"}"
if defined $main{"sender_verify_callback_timeout"};
print STDOUT "\n";
}
if (defined $main{"sender_verify_hosts"})
{
printf STDOUT (" deny hosts = %s\n",
&acl_quote($main{"sender_verify_hosts"}));
print STDOUT " !verify = sender\n";
}
else
{
print STDOUT " require verify = sender\n";
}
}
if (&bool("receiver_verify"))
{
print STDOUT " deny message = unrouteable address\n";
printf STDOUT (" recipients = %s\n",
&acl_quote(&sort_address_list($main{"receiver_verify_addresses"},
"receiver_verify_addresses")))
if defined $main{"receiver_verify_addresses"};
printf STDOUT (" hosts = %s\n",
&acl_quote($main{"receiver_verify_hosts"}))
if defined $main{"receiver_verify_hosts"};
printf STDOUT (" senders = %s\n",
&acl_quote(&sort_address_list($main{"receiver_verify_senders"},
"receiver_verify_senders")))
if defined $main{"receiver_verify_senders"};
print STDOUT " !verify = recipient\n";
}
print STDOUT " accept domains = +local_domains\n"
if $local_domains !~ /^\s*$/;
print STDOUT " accept domains = +relay_domains\n"
if $relay_domains !~ /^\s*$/;
if (defined $main{"host_accept_relay"})
{
if (defined $main{"sender_address_relay"})
{
if (defined $main{"sender_address_relay_hosts"})
{
printf STDOUT (" accept hosts = %s\n",
&acl_quote($main{"sender_address_relay_hosts"}));
print STDOUT " endpass\n";
print STDOUT " message = invalid sender\n";
printf STDOUT (" senders = %s\n",
&acl_quote(&sort_address_list($main{"sender_address_relay"},
"sender_address_relay")));
print STDOUT " accept hosts = +relay_hosts\n";
}
else
{
print STDOUT " accept hosts = +relay_hosts\n";
print STDOUT " endpass\n";
print STDOUT " message = invalid sender\n";
printf STDOUT (" senders = %s\n",
&acl_quote(&sort_address_list($main{"sender_address_relay"},
"sender_address_relay")));
}
}
else
{
print STDOUT " accept hosts = +relay_hosts\n";
}
}
print STDOUT " accept hosts = +auth_relay_hosts\n" .
" endpass\n" .
" message = authentication required\n" .
" authenticated = *\n"
if defined $main{"host_auth_accept_relay"};
print STDOUT " accept hosts = +tls_relay_hosts\n" .
" endpass\n" .
" message = encryption required\n" .
" encrypted = *\n"
if defined $main{"tls_host_accept_relay"};
print STDOUT " deny message = relay not permitted\n\n";
# Output an ACL for use after the DATA command. This is concerned with
# header checking.
print STDOUT "#!!# ACL that is used after the DATA command\n";
print STDOUT "check_message:\n";
# Default for headers_checks_fail is true
if (!defined $main{"headers_checks_fail"} ||
$main{"headers_checks_fail"} eq "true")
{
print STDOUT " require verify = header_syntax\n"
if &bool("headers_check_syntax");
print STDOUT " require verify = header_sender\n"
if &bool("headers_sender_verify");
print STDOUT " accept senders = !:\n require verify = header_sender\n"
if &bool("headers_sender_verify_errmsg");
}
else
{
print STDOUT " warn !verify = header_syntax\n"
if &bool("headers_check_syntax");
print STDOUT " warn !verify = header_sender\n"
if &bool("headers_sender_verify");
print STDOUT " accept senders = !:\n warn !verify = header_sender\n"
if &bool("headers_sender_verify_errmsg");
}
print STDOUT " accept\n\n";
# Output an ACL for AUTH if required
if (defined $main{"auth_over_tls_hosts"})
{
print STDOUT "#!!# ACL that is used after the AUTH command\n" .
"check_auth:\n" .
" accept hosts = +auth_over_tls_hosts\n" .
" endpass\n" .
" message = STARTTLS required before AUTH\n" .
" encrypted = *\n" .
" accept\n";
}
# Output ACLs for ETRN, EXPN, and VRFY if required
if (defined $main{"smtp_etrn_hosts"})
{
print STDOUT "#!!# ACL that is used after the ETRN command\n" .
"check_etrn:\n";
print STDOUT " deny hosts = +auth_hosts\n" .
" message = authentication required\n" .
" !authenticated = *\n"
if defined $main{"auth_hosts"};
print STDOUT " accept hosts = $main{\"smtp_etrn_hosts\"}\n\n";
}
if (defined $main{"smtp_expn_hosts"})
{
print STDOUT "#!!# ACL that is used after the EXPN command\n" .
"check_expn:\n";
print STDOUT " deny hosts = +auth_hosts\n" .
" message = authentication required\n" .
" !authenticated = *\n"
if defined $main{"auth_hosts"};
print STDOUT " accept hosts = $main{\"smtp_expn_hosts\"}\n\n";
}
if (&bool("smtp_verify"))
{
print STDOUT "#!!# ACL that is used after the VRFY command\n" .
"check_vrfy:\n";
print STDOUT " deny hosts = +auth_hosts\n" .
" message = authentication required\n" .
" !authenticated = *\n"
if defined $main{"auth_hosts"};
print STDOUT " accept\n\n";
}
# -------- The authenticators --------
$started = 0;
for ($i = $auth_start; $i < $clen; $i++)
{
if (!$started)
{
if ($c[$i] !~ /^\s*(#|$)/)
{
print STDOUT "\nbegin authenticators\n\n";
$started = 1;
}
}
print STDOUT "$c[$i]\n";
}
# -------- Rewrite section --------
$started = 0;
for ($i = $rewrite_start; $i < $clen && $i < $auth_start - 1; $i++)
{
if (!$started)
{
if ($c[$i] !~ /^\s*(#|$)/)
{
print STDOUT "\nbegin rewrite\n\n";
$started = 1;
}
}
&print_no_expand($c[$i]);
}
# -------- The routers configuration --------
# The new routers configuration is created out of the old directors and routers
# configuration. We put the old routers first, adding a "domains" option to
# any that don't have one, to make them select the domains that do not match
# the original local_domains. The routers get modified as necessary, and the
# final one has "no_more" set, unless it has conditions. In that case we have
# to add an extra router to be sure of failing all non-local addresses that
# fall through. We do this also if there are no routers at all. The old
# directors follow, modified as required.
$prefix = "r.";
undef @comments;
print STDOUT "\n";
print STDOUT "#!!#######################################################!!#\n";
print STDOUT "#!!# Here follow routers created from the old routers, #!!#\n";
print STDOUT "#!!# for handling non-local domains. #!!#\n";
print STDOUT "#!!#######################################################!!#\n";
print STDOUT "\nbegin routers\n\n";
for ($i = $router_start; $i < $clen; $i++)
{
$type = &checkline($c[$i]);
last if $type eq "end";
if ($type eq "comment") { push(@comments, "$c[$i]\n"); next; }
# When we hit the start of a driver, modify its options as necessary,
# and then output it from the stored option settings, having first output
# and previous comments.
if ($type eq "driver")
{
print STDOUT shift @comments while scalar(@comments) > 0;
$hash = $driverlist{"$prefix$name"};
$driver = $$hash{"driver"};
print STDOUT "$name:\n";
$add_no_more =
! defined $$hash{"domains"} &&
! defined $$hash{"local_parts"} &&
! defined $$hash{"senders"} &&
! defined $$hash{"condition"} &&
! defined $$hash{"require_files"} &&
(!defined $$hash{"verify_only"} || $$hash{"verify_only"} eq "false") &&
(!defined $$hash{"verify"} || $$hash{"verify"} eq "true");
# Create a "domains" setting if there isn't one, unless local domains
# was explicitly empty.
$$hash{"domains"} = "! +local_domains"
if !defined $$hash{"domains"} && $local_domains !~ /^\s*$/;
# If the router had a local_parts setting, add caseful_local_part
$$hash{"caseful_local_part"} = "true" if defined $$hash{"local_parts"};
# If the router has "self=local" set, change it to "self=pass", and
# set pass_router to the router that was the first director. Change the
# obsolete self settings of "fail_hard" and "fail_soft" to "fail" and
# "pass".
if (defined $$hash{"self"})
{
if ($$hash{"self"} eq "local")
{
$$hash{"self"} = "pass";
$$hash{"pass_router"} = $first_director;
}
elsif ($$hash{"self"} eq "fail_hard")
{
$$hash{"self"} = "fail";
}
elsif ($$hash{"self"} eq "fail_soft")
{
$$hash{"self"} = "pass";
}
}
# If the router had a require_files setting, check it for user names
# and colons that are part of expansion items
if (defined $$hash{"require_files"})
{
&check_require($$hash{"require_files"}, "'$name' router");
if (($$hash{"require_files"} =~ s/(\$\{\w+):/$1::/g) > 0 ||
($$hash{"require_files"} =~ s/ldap:/ldap::/g) > 0)
{
&rubric();
print STDERR "\n" .
"*** A setting of require_files in the $name router contains\n" .
" a colon in what appears to be an expansion item. In Exim 3, the\n" .
" whole string was expanded before splitting the list, but in Exim 4\n" .
" each item is expanded separately, so colons that are not list\n" .
" item separators have to be doubled. One or more such colons in this\n" .
" list have been doubled as a precaution. Please check the result.\n";
}
}
# If the router had a "senders" setting, munge the address list
$$hash{"senders"} = &sort_address_list($$hash{"senders"}, "senders")
if defined $$hash{"senders"};
# ---- Changes to domainlist router ----
if ($driver eq "domainlist")
{
&abolished($hash, "A domainlist router",
"modemask", "owners", "owngroups",
"qualify_single", "search_parents");
# The name has changed
$$hash{"driver"} = "manualroute";
# Turn "route_file", "route_query" and "route_queries" into lookups for
# route_data.
if (defined $$hash{"route_file"})
{
$$hash{"route_data"} = "\${lookup\{\$domain\}$$hash{'search_type'}" .
"\{$$hash{'route_file'}\}\}";
}
elsif (defined $$hash{"route_query"})
{
$$hash{"route_data"} = "\${lookup $$hash{'search_type'}" .
"\{" . &unquote($$hash{'route_query'}) . "\}\}";
}
elsif (defined $$hash{"route_queries"})
{
$endkets = 0;
$$hash{"route_data"} = "";
$route_queries = $$hash{'route_queries'};
$route_queries =~ s/^"(.*)"$/$1/s;
$route_queries =~ s/::/++colons++/g;
@qq = split(/:/, $route_queries);
foreach $q (@qq)
{
$q =~ s/\+\+colons\+\+/:/g;
$q =~ s/^\s+//;
$q =~ s/\s+$//;
if ($endkets > 0)
{
$$hash{"route_data"} .= "\\\n {";
$endkets++;
}
$$hash{"route_data"} .= "\${lookup $$hash{'search_type'} \{$q\}\{\$value\}";
$endkets++;
}
$$hash{"route_data"} .= "}" x $endkets;
}
delete $$hash{"route_file"};
delete $$hash{"route_query"};
delete $$hash{"route_queries"};
delete $$hash{"search_type"};
# But we can't allow both route_data and route_list
if (defined $$hash{"route_data"} && defined $$hash{"route_list"})
{
&rubric();
print STDERR "\n" .
"** An Exim 3 'domainlist' router called '$name' contained a 'route_list'\n" .
" option as well as a setting of 'route_file', 'route_query', or\n" .
" 'route_queries'. The latter has been turned into a 'route_data' setting,\n".
" but in Exim 4 you can't have both 'route_data' and 'route_list'. You'll\n" .
" have to rewrite this router; in the meantime, 'route_list' has been\n" .
" omitted.\n";
print STDOUT "#!!# route_list option removed\n";
delete $$hash{"route_list"};
}
# Change bydns_a into bydns in a route_list; also bydns_mx, but that
# works differently.
if (defined $$hash{"route_list"})
{
$$hash{"route_list"} =~ s/bydns_a/bydns/g;
if ($$hash{"route_list"} =~ /bydns_mx/)
{
$$hash{"route_list"} =~ s/bydns_mx/bydns/g;
&rubric();
print STDERR "\n" .
"*** An Exim 3 'domainlist' router called '$name' contained a 'route_list'\n" .
" option which used 'bydns_mx'. This feature no longer exists in Exim 4.\n" .
" It has been changed to 'bydns', but it won't have the same effect,\n" .
" because it will look for A rather than MX records. Use the 'dnslookup'\n" .
" router to do MX lookups - if you want to override the hosts found from\n" .
" MX records, you should route to a special 'smtp' transport which has\n" .
" both 'hosts' and 'hosts_override' set.\n";
}
}
# Arrange to not expand regex
$$hash{"route_list"} = &no_expand_regex($$hash{"route_list"}, ";")
if (defined $$hash{"route_list"})
}
# ---- Changes to iplookup router ----
elsif ($driver eq "iplookup")
{
&renamed($hash, "service", "port");
}
# ---- Changes to lookuphost router ----
elsif ($driver eq "lookuphost")
{
$$hash{"driver"} = "dnslookup";
if (defined $$hash{"gethostbyname"})
{
&rubric();
print STDERR "\n" .
"** An Exim 3 'lookuphost' router called '$name' used the 'gethostbyname'\n" .
" option, which no longer exists. You will have to rewrite it.\n";
print STDOUT "#!!# gethostbyname option removed\n";
delete $$hash{"gethostbyname"};
}
$$hash{"mx_domains"} = &no_expand_regex($$hash{"mx_domains"})
if defined $$hash{"mx_domains"};
}
# ---- Changes to the queryprogram router ----
elsif ($driver eq "queryprogram")
{
&rubric();
print STDERR "\n" .
"** The configuration contains a 'queryprogram' router. Please note that\n" .
" the specification for the text that is returned by the program run\n" .
" by this router has changed in Exim 4. You will need to modify your\n" .
" program.\n";
if (!defined $$hash{'command_user'})
{
&rubric();
print STDERR "\n" .
"** The 'queryprogram' router called '$name' does not have a setting for\n" .
" the 'command_user' option. This is mandatory in Exim 4. A setting of\n" .
" 'nobody' has been created.\n";
$$hash{"command_user"} = "nobody";
}
}
# -------------------------------------
# Output the router's option settings
&outdriver($hash);
next;
}
# Skip past any continuation lines for an option setting
while ($c[$i] =~ /\\\s*$/s && $i < $clen - 1)
{
$i++;
$i++ while ($c[$i] =~ /^\s*#/);
}
}
# Add "no_more" to the final driver from the old routers, provided it had no
# conditions. Otherwise, or if there were no routers, make up one to fail all
# non-local domains.
if ($add_no_more)
{
print STDOUT " no_more\n";
print STDOUT shift @comments while scalar(@comments) > 0;
}
else
{
print STDOUT shift @comments while scalar(@comments) > 0;
print STDOUT "\n#!!# This new router is put here to fail all domains that\n";
print STDOUT "#!!# were not in local_domains in the Exim 3 configuration.\n\n";
print STDOUT "fail_remote_domains:\n";
print STDOUT " driver = redirect\n";
print STDOUT " domains = ! +local_domains\n";
print STDOUT " allow_fail\n";
print STDOUT " data = :fail: unrouteable mail domain \"\$domain\"\n\n";
}
# Now copy the directors, making appropriate changes
print STDOUT "\n";
print STDOUT "#!!#######################################################!!#\n";
print STDOUT "#!!# Here follow routers created from the old directors, #!!#\n";
print STDOUT "#!!# for handling local domains. #!!#\n";
print STDOUT "#!!#######################################################!!#\n";
$prefix = "d.";
for ($i = $director_start; $i < $clen; $i++)
{
$type = &checkline($c[$i]);
last if $type eq "end";
if ($type eq "comment") { print STDOUT "$c[$i]\n"; next; }
undef $second_router;
if ($type eq "driver")
{
$hash = $driverlist{"$prefix$name"};
$driver = $$hash{"driver"};
print STDOUT "$name:\n";
$$hash{"caseful_local_part"} = "true" if $add_caseful_local_part;
if (defined $$hash{"local_parts"} &&
(defined $$hash{"prefix"} || defined $hash{"suffix"}))
{
&rubric();
print STDERR "\n" .
"** The Exim 3 configuration contains a director called '$name' which has\n" .
" 'local_parts' set, together with either or both of 'prefix' and 'suffix'\n".
" This combination has a different effect in Exim 4, where the affix\n" .
" is removed *before* 'local_parts' is tested. You will probably need\n" .
" to make changes to this driver.\n";
}
&renamed($hash, "prefix", "local_part_prefix");
&renamed($hash, "prefix_optional", "local_part_prefix_optional");
&renamed($hash, "suffix", "local_part_suffix");
&renamed($hash, "suffix_optional", "local_part_suffix_optional");
&renamed($hash, "new_director", "redirect_router");
&handle_current_and_home_directory($hash, $driver, $name);
# If the director had a require_files setting, check it for user names
# and colons that are part of expansion items
if (defined $$hash{"require_files"})
{
&check_require($$hash{"require_files"}, "'$name' director");
if (($$hash{"require_files"} =~ s/(\$\{\w+):/$1::/g) > 0 ||
($$hash{"require_files"} =~ s/ldap:/ldap::/g) > 0)
{
&rubric();
print STDERR "\n" .
"*** A setting of require_files in the $name director contains\n" .
" a colon in what appears to be an expansion item. In Exim 3, the\n" .
" whole string was expanded before splitting the list, but in Exim 4\n" .
" each item is expanded separately, so colons that are not list\n" .
" item separators have to be doubled. One or more such colons in this\n" .
" list have been doubled as a precaution. Please check the result.\n";
}
}
# If the director had a "senders" setting, munge the address list
$$hash{"senders"} = &sort_address_list($$hash{"senders"}, "senders")
if defined $$hash{"senders"};
# ---- Changes to aliasfile director ----
if ($driver eq "aliasfile")
{
&abolished($hash, "An aliasfile director",
"directory2_transport", "freeze_missing_include",
"modemask", "owners", "owngroups");
$$hash{"driver"} = "redirect";
$key = "\$local_part";
$key = "\$local_part\@\$domain"
if defined $$hash{"include_domain"} &&
$$hash{"include_domain"} eq "true";
delete $$hash{"include_domain"};
if (defined $$hash{"forbid_special"} && $$hash{"forbid_special"} eq "true")
{
$$hash{"forbid_blackhole"} = "true";
}
else
{
$$hash{"allow_defer"} = "true";
$$hash{"allow_fail"} = "true";
}
delete $$hash{"forbid_special"};
# Deal with "file", "query", or "queries"
if (defined $$hash{"file"})
{
$$hash{"data"} =
"\$\{lookup\{$key\}$$hash{'search_type'}\{$$hash{'file'}\}\}";
if (defined $$hash{"optional"} && $$hash{"optional"} eq "true")
{
$$hash{"data"} =
"\$\{if exists\{$$hash{'file'}\}\{$$hash{'data'}\}\}";
}
delete $$hash{"optional"};
}
elsif (defined $$hash{"query"})
{
&abolished($hash, "An aliasfile director", "optional");
$$hash{"data"} = "\${lookup $$hash{'search_type'} " .
"\{" . &unquote($$hash{'query'}) . "\}\}";
}
else # Must be queries
{
&abolished($hash, "An aliasfile director", "optional");
$endkets = 0;
$$hash{"data"} = "";
$queries = $$hash{'queries'};
$queries =~ s/^"(.*)"$/$1/s;
$queries =~ s/::/++colons++/g;
@qq = split(/:/, $queries);
foreach $q (@qq)
{
$q =~ s/\+\+colons\+\+/:/g;
$q =~ s/^\s+//;
$q =~ s/\s+$//;
if ($endkets > 0)
{
$$hash{"data"} .= "\\\n {";
$endkets++;
}
$$hash{"data"} .= "\${lookup $$hash{'search_type'} \{$q\}\{\$value\}";
$endkets++;
}
$$hash{"data"} .= "}" x $endkets;
}
$$hash{"data"} = "\${expand:$$hash{'data'}\}"
if (defined $$hash{"expand"} && $$hash{"expand"} eq "true");
delete $$hash{"expand"};
delete $$hash{"file"};
delete $$hash{"query"};
delete $$hash{"queries"};
delete $$hash{"search_type"};
# Turn aliasfile + transport into accept + condition
if (defined $$hash{'transport'})
{
&rubric();
if (!defined $$hash{'condition'})
{
print STDERR "\n" .
"** The Exim 3 configuration contains an aliasfile director called '$name',\n".
" which has 'transport' set. This has been turned into an 'accept' router\n".
" with a 'condition' setting, but should be carefully checked.\n";
$$hash{'driver'} = "accept";
$$hash{'condition'} =
"\$\{if eq \{\}\{$$hash{'data'}\}\{no\}\{yes\}\}";
delete $$hash{'data'};
delete $$hash{'allow_defer'};
delete $$hash{'allow_fail'};
}
else
{
print STDERR "\n" .
"** The Exim 3 configuration contains an aliasfile director called '$name',\n".
" which has 'transport' set. This cannot be turned into an 'accept' router\n".
" with a 'condition' setting, because there is already a 'condition'\n" .
" setting. It has been left as 'redirect' with a transport, which is\n" .
" invalid - you must sort this one out.\n";
}
}
}
# ---- Changes to forwardfile director ----
elsif ($driver eq "forwardfile")
{
&abolished($hash, "A forwardfile director",
"check_group", "directory2_transport",
"freeze_missing_include", "match_directory",
"seteuid");
&renamed($hash, "filter", "allow_filter");
$$hash{"driver"} = "redirect";
$$hash{"check_local_user"} = "true"
if !defined $$hash{"check_local_user"};
if (defined $$hash{"forbid_pipe"} && $$hash{"forbid_pipe"} eq "true")
{
print STDOUT "#!!# forbid_filter_run added because forbid_pipe is set\n";
$$hash{"forbid_filter_run"} = "true";
}
if (defined $$hash{'allow_system_actions'} &&
$$hash{'allow_system_actions'} eq 'true')
{
$$hash{'allow_freeze'} = "true";
}
delete $$hash{'allow_system_actions'};
# If file_directory is defined, use it to qualify relative paths; if not,
# and check_local_user is defined, use $home. Remove file_directory from
# the output.
$dir = "";
if (defined $$hash{"file_directory"})
{
$dir = $$hash{"file_directory"} . "/";
delete $$hash{"file_directory"};
}
elsif ($$hash{"check_local_user"} eq "true")
{
$dir = "\$home/";
}
# If it begins with an upper case letter, guess that this is really
# a macro.
if (defined $$hash{"file"} && $$hash{"file"} !~ /^[\/A-Z]/)
{
$$hash{"file"} = $dir . $$hash{"file"};
}
}
# ---- Changes to localuser director ----
elsif ($driver eq "localuser")
{
&abolished($hash, "A localuser director", "match_directory");
$$hash{"driver"} = "accept";
$$hash{"check_local_user"} = "true";
}
# ---- Changes to smartuser director ----
elsif ($driver eq "smartuser")
{
&abolished($hash, "A smartuser director", "panic_expansion_fail");
$transport = $$hash{"transport"};
$new_address = $$hash{"new_address"};
if (defined $transport && defined $new_address)
{
&rubric();
print STDERR "\n" .
"** The Exim 3 configuration contains a smartuser director called '$name',\n".
" which has both 'transport' and 'new_address' set. This has been turned\n".
" into two routers for Exim 4. However, if the new address contains a\n" .
" reference to \$local_part, this won't work correctly. In any case, you\n".
" may be able to make it tidier by rewriting.\n";
$$hash{"driver"} = "redirect";
$$hash{"data"} = $new_address;
$$hash{"redirect_router"} = "${name}_part2";
$second_router = "\n".
"#!!# This router is invented to go with the previous one because\n".
"#!!# in Exim 4 you can't have a change of address and a transport\n".
"#!!# setting in the same router as you could in Exim 3.\n\n" .
"${name}_part2:\n".
" driver = accept\n".
" condition = \$\{if eq\{\$local_part@\$domain\}" .
"\{$new_address\}\{yes\}\{no\}\}\n".
" transport = $$hash{'transport'}\n";
delete $$hash{"new_address"};
delete $$hash{"transport"};
}
elsif (defined $new_address)
{
$$hash{"driver"} = "redirect";
$$hash{"data"} = $new_address;
$$hash{"allow_defer"} = "true";
$$hash{"allow_fail"} = "true";
delete $$hash{"new_address"};
}
else # Includes the case of neither set (verify_only)
{
$$hash{"driver"} = "accept";
if (defined $$hash{"rewrite"})
{
&rubric();
print STDERR "\n" .
"** The Exim 3 configuration contains a setting of the 'rewrite' option on\n".
" a smartuser director called '$name', but this director does not have\n".
" a setting of 'new_address', so 'rewrite' has no effect. The director\n".
" has been turned into an 'accept' router, and 'rewrite' has been discarded.";
delete $$hash{"rewrite"};
}
}
}
# -------------------------------------
# For ex-directors that don't have check_local_user set, add
# retry_use_local_part to imitate what Exim 3 would have done.
$$hash{"retry_use_local_part"} = "true"
if (!defined $$hash{"check_local_user"} ||
$$hash{"check_local_user"} eq "false") ;
# Output the router's option settings
&outdriver($hash);
# Output an auxiliary router if one is needed
print STDOUT $second_router if defined $second_router;
next;
}
# Skip past any continuation lines for an option setting
while ($c[$i] =~ /\\\s*$/s)
{
$i++;
$i++ while ($c[$i] =~ /^\s*#/);
}
}
# -------- The transports configuration --------
$started = 0;
$prefix = "t.";
for ($i = $transport_start; $i < $clen; $i++)
{
$type = &checkline($c[$i]);
last if $type eq "end";
if ($type eq "comment") { print STDOUT "$c[$i]\n"; next; }
if (!$started)
{
print STDOUT "begin transports\n\n";
$started = 1;
}
if ($type eq "driver")
{
$hash = $driverlist{"$prefix$name"};
$driver = $$hash{"driver"};
print STDOUT "$name:\n";
# ---- Changes to the appendfile transport ----
if ($driver eq "appendfile")
{
&renamed($hash, "prefix", "message_prefix");
&renamed($hash, "suffix", "message_suffix");
&abolished($hash, "An appendfile transport",
"require_lockfile");
&handle_batch_and_bsmtp($hash);
if (defined $$hash{"from_hack"} && $$hash{"from_hack"} eq "false")
{
print STDOUT "#!!# no_from_hack replaced by check_string\n";
$$hash{"check_string"} = "";
}
delete $$hash{"from_hack"};
}
# ---- Changes to the lmtp transport ----
elsif ($driver eq "lmtp")
{
if (defined $$hash{"batch"} && $$hash{"batch"} ne "none")
{
$$hash{"batch_max"} = "100" if !defined $$hash{"batch_max"};
$$hash{"batch_id"} = "\$domain" if $$hash{"batch"} eq "domain";
}
else
{
$$hash{"batch_max"} = "1" if defined $$hash{"batch_max"};
}
delete $$hash{"batch"};
}
# ---- Changes to the pipe transport ----
elsif ($driver eq "pipe")
{
&renamed($hash, "prefix", "message_prefix");
&renamed($hash, "suffix", "message_suffix");
&handle_batch_and_bsmtp($hash);
if (defined $$hash{"from_hack"} && $$hash{"from_hack"} eq "false")
{
print STDOUT "#!!# no_from_hack replaced by check_string\n";
$$hash{"check_string"} = "";
}
delete $$hash{"from_hack"};
}
# ---- Changes to the smtp transport ----
elsif ($driver eq "smtp")
{
&abolished($hash, "An smtp transport", "mx_domains");
&renamed($hash, "service", "port");
&renamed($hash, "tls_verify_ciphers", "tls_require_ciphers");
&renamed($hash, "authenticate_hosts", "hosts_try_auth");
if (defined $$hash{"batch_max"})
{
print STDOUT "#!!# batch_max renamed connection_max_messages\n";
$$hash{"connection_max_messages"} = $$hash{"batch_max"};
delete $$hash{"batch_max"};
}
foreach $o ("hosts_try_auth", "hosts_avoid_tls", "hosts_require_tls",
"mx_domains", "serialize_hosts")
{
$$hash{$o} = &no_expand_regex($$hash{$o}) if defined $$hash{$o};
}
}
&outdriver($driverlist{"$prefix$name"});
next;
}
# Skip past any continuation lines for an option setting
while ($c[$i] =~ /\\\s*$/s)
{
$i++;
$i++ while ($c[$i] =~ /^\s*#/);
}
}
# -------- The retry configuration --------
$started = 0;
for ($i = $retry_start; $i < $clen && $i < $rewrite_start - 1; $i++)
{
if (!$started)
{
if ($c[$i] !~ /^\s*(#|$)/)
{
print STDOUT "\nbegin retry\n\n";
$started = 1;
}
}
&print_no_expand($c[$i]);
}
print STDOUT "\n# End of Exim 4 configuration\n";
print STDERR "\n*******************************************************\n";
print STDERR "***** Please review the generated file carefully. *****\n";
print STDERR "*******************************************************\n\n";
# End of convert4r4