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-rwxr-xr-xroles/IMAP/files/usr/local/bin/dovecot-auth-proxy.pl102
-rwxr-xr-xroles/IMAP/files/usr/local/bin/list-users.pl45
2 files changed, 71 insertions, 76 deletions
diff --git a/roles/IMAP/files/usr/local/bin/dovecot-auth-proxy.pl b/roles/IMAP/files/usr/local/bin/dovecot-auth-proxy.pl
index 350bb2c..39d3762 100755
--- a/roles/IMAP/files/usr/local/bin/dovecot-auth-proxy.pl
+++ b/roles/IMAP/files/usr/local/bin/dovecot-auth-proxy.pl
@@ -1,8 +1,8 @@
-#!/usr/bin/perl
+#!/usr/bin/perl -T
#----------------------------------------------------------------------
# Dovecot userdb lookup proxy table for user iteration
-# Copyright © 2017 Guilhem Moulin <guilhem@fripost.org>
+# Copyright © 2017,2020 Guilhem Moulin <guilhem@fripost.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
@@ -21,14 +21,22 @@
use warnings;
use strict;
-use Errno 'EINTR';
+use Errno qw/EINTR/;
+use Net::LDAPI;
+use Net::LDAP::Constant qw/LDAP_CONTROL_PAGED LDAP_SUCCESS/;
+use Net::LDAP::Control::Paged ();
+use Net::LDAP::Util qw/ldap_explode_dn/;
+use Authen::SASL;
+
+my $BASE = "ou=virtual,dc=fripost,dc=org";
# clean up PATH
$ENV{PATH} = join ':', qw{/usr/bin /bin};
delete @ENV{qw/IFS CDPATH ENV BASH_ENV/};
-# number of pre-forked servers
+# number of pre-forked servers and maximum requests per worker
my $nProc = 1;
+my $maxRequests = 1;
sub server();
# fdopen(3) the file descriptor FD
@@ -37,12 +45,6 @@ die "This service must be socket-activated.\n"
and defined $ENV{LISTEN_FDS} and $ENV{LISTEN_FDS} == 1;
open my $S, '+<&=', 3 or die "fdopen: $!";
-do {
- my $dir = (getpwnam('vmail'))[7] // die "No such user: vmail";
- $dir .= '/virtual';
- chdir($dir) or die "chdir($dir): $!";
-};
-
my @CHILDREN;
for (my $i = 0; $i < $nProc-1; $i++) {
my $pid = fork() // die "fork: $!";
@@ -61,7 +63,7 @@ exit $?;
#############################################################################
sub server() {
- for (my $n = 0; $n < 1; $n++) {
+ for (my $n = 0; $n < $maxRequests; $n++) {
accept(my $conn, $S) or do {
next if $! == EINTR;
die "accept: $!";
@@ -94,10 +96,20 @@ sub server() {
sub fail($;$) {
my ($fh, $msg) = @_;
$fh->printflush("F\n");
- warn "$msg\n" if defined $msg;
+ print STDERR $msg, "\n" if defined $msg;
}
-# list all users, even the inactive ones
+sub dn2user($) {
+ my $dn = shift;
+ $dn = ldap_explode_dn($dn, casefold => "lower");
+ if (defined $dn and $#$dn == 4
+ and defined (my $l = $dn->[0]->{fvl})
+ and defined (my $d = $dn->[1]->{fvd})) {
+ return $l ."@". $d;
+ }
+}
+
+# list all users (even the inactive ones)
sub iterate($$$$) {
my ($fh, $flags, $max_rows, $prefix) = @_;
unless ($flags == 0) {
@@ -105,27 +117,55 @@ sub iterate($$$$) {
return;
}
- opendir my $dh, '.' or do {
- fail($fh => "opendir: $!");
- return;
- };
- my $count = 0;
- while (defined (my $d = readdir $dh)) {
- next if $d eq '.' or $d eq '..';
- opendir my $dh, $d or do {
- fail($fh => "opendir: $!");
- return;
- };
- while (defined (my $l = readdir $dh) and ($max_rows <= 0 or $count < $max_rows)) {
- next if $l eq '.' or $l eq '..';
- my $user = $l.'@'.$d;
- next unless $user =~ /\A[a-zA-Z0-9\.\-_@]+\z/; # skip invalid user names
+ my $ldap = Net::LDAPI::->new();
+ $ldap->bind( undef, sasl => Authen::SASL::->new(mechanism => "EXTERNAL") )
+ or do { fail($fh => "Error: Couldn't bind"); return; };
+ my $page = Net::LDAP::Control::Paged::->new(size => 100);
+
+ my $callback = sub($$) {
+ my ($mesg, $entry) = @_;
+ return unless defined $entry;
+
+ my $dn = $entry->dn();
+ if (defined (my $user = dn2user($dn))) {
$fh->printf("O%s%s\t\n", $prefix, $user);
- $count++;
+ } else {
+ print STDERR "Couldn't extract username from dn: ", $dn, "\n";
}
- closedir $dh or warn "closedir: $!";
+ $mesg->pop_entry;
+ };
+
+ my @search_args = (
+ base => $BASE,
+ , scope => "children"
+ , deref => "never"
+ , filter => "(objectClass=FripostVirtualUser)"
+ , sizelimit => $max_rows
+ , control => [$page]
+ , callback => $callback
+ , attrs => ["1.1"]
+ );
+
+ my $cookie;
+ while (1) {
+ my $mesg = $ldap->search(@search_args);
+ last unless $mesg->code == LDAP_SUCCESS;
+
+ my ($resp) = $mesg->control(LDAP_CONTROL_PAGED) or last;
+ $cookie = $resp->cookie();
+ goto SEARCH_DONE unless defined $cookie and length($cookie) > 0;
+
+ $page->cookie($cookie);
+ }
+
+ if (defined $cookie and length($cookie) > 0) {
+ fail($fh => "Abnormal exit from LDAP search, aborting");
+ $page->cookie($cookie);
+ $page->size(0);
+ $ldap->search(@search_args);
}
- closedir $dh or warn "closedir: $!";
+ SEARCH_DONE:
+ $ldap->unbind();
$fh->printflush("\n");
}
diff --git a/roles/IMAP/files/usr/local/bin/list-users.pl b/roles/IMAP/files/usr/local/bin/list-users.pl
deleted file mode 100755
index 1bcab35..0000000
--- a/roles/IMAP/files/usr/local/bin/list-users.pl
+++ /dev/null
@@ -1,45 +0,0 @@
-#!/usr/bin/perl
-
-# Copyright © 2017 Guilhem Moulin <guilhem@fripost.org>
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-
-use warnings;
-use strict;
-use Net::LDAPI;
-use Net::LDAP::Util qw/ldap_explode_dn escape_dn_value/;
-use Authen::SASL;
-
-my $BASE = 'ou=virtual,dc=fripost,dc=org';
-
-my $LDAP = Net::LDAPI::->new();
-$LDAP->bind( undef, sasl => Authen::SASL::->new(mechanism => 'EXTERNAL') )
- or die "Error: Couldn't bind";
-
-my $mesg = $LDAP->search( base => $BASE, scope => 'children', deref => 'never'
- , filter => '(objectClass=FripostVirtualUser)'
- , attrs => ['1.1']
- );
-die $mesg->error if $mesg->code;
-
-while (defined (my $entry = $mesg->pop_entry())) {
- my $dn = $entry->dn() // next;
- $dn = ldap_explode_dn($dn, casefold => 'lower');
- next unless defined $dn and $#$dn == 4;
- my $l = $dn->[0]->{fvl} // next;
- my $d = $dn->[1]->{fvd} // next;
- printf "%s@%s\n", $l, $d;
-}
-
-$LDAP->unbind;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 01:44:59 +0000