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#!/usr/local/cpanel/3rdparty/bin/perl
# cpanel - scripts/setpostgresconfig Copyright 2022 cPanel, L.L.C.
# All rights reserved.
# copyright@cpanel.net http://cpanel.net
# This code is subject to the cPanel license. Unauthorized copying is prohibited
#----------------------------------------------------------------------
# XXX XXX IMPORTANT!! XXX XXX
#
# This modulino is loaded and run as a module in at least one place.
# Do NOT add exit() to this code!
#----------------------------------------------------------------------
package scripts::setpostgresconfig;
use strict;
use warnings;
use Whostmgr::Postgres ();
use Cpanel::PwCache ();
use Cpanel::FileUtils::TouchFile ();
use Cpanel::PostgresAdmin ();
use Cpanel::PostgresUtils ();
use Cpanel::PostgresUtils::PgPass ();
use Cpanel::Postgres::Connect (); # PPI USE OK -- This binary always needs to so ok perlcc ahead of time
use Cpanel::Config::Users ();
use Cpanel::Usage ();
use Cpanel::SafeFile ();
exit( run(@ARGV) ) unless caller();
my $dryrun = 0;
my $force = 0;
my $verbose = 0;
sub run {
my (@argv) = @_;
my $dryrun = 0;
my $force = 0;
my $verbose = 0;
my %opts = (
'dryrun' => \$dryrun,
'dry-run' => \$dryrun,
'force' => \$force,
'verbose' => \$verbose,
);
# ==== init process options
Cpanel::Usage::wrap_options( \@argv, \&usage, \%opts );
$verbose = 1 if $dryrun;
my $setup = scripts::setpostgresconfig->new( dryrun => $dryrun, force => $force, verbose => $verbose );
return $setup->check() ? 0 : 1;
}
sub new {
my ( $class, %opts ) = @_;
return bless {%opts}, $class;
}
sub check {
my $self = shift;
my @actions = qw{check_prerequires};
push @actions, 'check_first_upgrade' unless $self->{force};
push @actions, qw{update_config fix_users add_lock};
foreach my $action (@actions) {
$self->msg("running action $action") if $self->{dryrun};
my $status = $self->$action();
return $status unless $status && $status == 1;
}
return 1;
}
sub check_prerequires {
my $self = shift;
return $self->by("Cannot find postgres version.") unless Whostmgr::Postgres::get_version();
return $self->by("Cannot find pgsql_data dir.") unless Cpanel::PostgresUtils::find_pgsql_data();
if ( $self->{force} && !-e _pg_hba_file() ) {
my $pg_hba = _pg_hba_file();
Cpanel::FileUtils::TouchFile::touchfile($pg_hba);
my $user = Cpanel::PostgresUtils::PgPass::getpostgresuser();
my ( $uid, $gid ) = ( Cpanel::PwCache::getpwnam($user) )[ 2, 3 ];
# If we change the uid/gid on the file we need to update Whostmgr::Postgres::update_config
chown( $uid, $gid, $pg_hba ) or warn "Failed to chown($uid,$gid,$pg_hba): $!";
# If we change the mode on the file we need to update Whostmgr::Postgres::update_config
chmod( 0600, $pg_hba ) or warn "Failed to chmod(0600,$pg_hba): $!";
}
return $self->by("Cannot find pg_hba.conf.") unless -e _pg_hba_file();
return 1;
}
sub check_first_upgrade {
my $self = shift;
my $cfg;
my $lock = Cpanel::SafeFile::safeopen( $cfg, '<', _pg_hba_file() );
return $self->by("cannot read config file") unless $lock;
my $ok = grep { /^\s*local\s+samerole\s+all/ } (<$cfg>);
Cpanel::SafeFile::safeclose( $cfg, $lock );
if ($ok) {
$self->msg("Nothing todo, configuration looks fine.");
# solve problem with users having already upgraded to 11.36.1 without the lock file
$self->add_lock();
return -1;
}
return $self->by("Warning: pg_hba.conf was secured but entries have been removed ( you can run it with --force ).") if !$self->{force} && -e _version_file();
return 1;
}
sub add_lock {
return Cpanel::FileUtils::TouchFile::touchfile( _version_file() );
}
sub _version_file {
return '/var/cpanel/version/pg_hba_conf_secured';
}
sub _pg_hba_file {
return join( '/', Cpanel::PostgresUtils::find_pgsql_data(), 'pg_hba.conf' );
}
sub usage {
my $prog = $0;
$prog =~ s{^.+/(.+)$}{$1};
print <<EOF;
$prog [options] [ -f FILE ]
This script will improve postgres security :
- update pg_hba.conf
- create role foreach database
- grant users to roles
Modifiers Flags:
--force - force to update config.
--verbose - display some friendly verbose messages.
--dry-run - do nothing and display some verbose messages.
--help - dislay this help message and exit.
EOF
exit;
}
sub update_config {
my $self = shift;
my $dryrun = $self->{dryrun};
$self->msg( "-", $dryrun ? 'will' : '', "update postgres configuration" );
$self->msg("\tnothing done [dryrun]") and return if $dryrun;
my ( $status, $message ) = Whostmgr::Postgres::update_config();
$self->by("Cannot update postgres config") unless $status;
$self->msg($message) if $message;
return Whostmgr::Postgres::reload();
}
sub fix_users {
my $self = shift;
my $postgresadmin = Cpanel::PostgresAdmin->new( { 'cpuser' => 'root' } );
return 0 if !$postgresadmin;
foreach my $cpuser ( Cpanel::Config::Users::getcpusers() ) {
local $postgresadmin->{'cpuser'} = $cpuser;
$postgresadmin->clear_map();
my @dbs = $postgresadmin->listdbs();
next unless scalar @dbs;
$postgresadmin->setupdbrole( \@dbs );
my %dbusers = $postgresadmin->listusersindb();
foreach my $db ( keys %dbusers ) {
foreach my $user ( @{ $dbusers{$db} } ) {
$self->msg( '-', $dryrun ? 'will' : '', 'repair access to', $db, 'for user', $user );
next if $dryrun;
$postgresadmin->addusertodb( $db, $user, 1 );
}
}
}
return 1;
}
sub msg {
my ( $self, @msg ) = @_;
print join( ' ', @msg, "\n" ) if $self->{verbose};
return;
}
sub by {
my ( $self, @msg ) = @_;
$self->msg(@msg);
return;
}
1;