do 'acl-lib.pl';

# backup_config_files()
# Returns files and directories that can be backed up
sub backup_config_files
{
local @rv;

# Add primary user and group files
local %miniserv;
&get_miniserv_config(\%miniserv);
push(@rv, $miniserv{'userfile'});
push(@rv, &acl_filename());

# Add all .acl files for users and groups
local $u;
foreach $u (&list_users(), &list_groups()) {
	push(@rv, "$config_directory/$u->{'name'}.acl",
		  glob("$config_directory/*/$u->{'name'}.acl"));
	}

# Add /etc/webmin/config
system("cp $config_directory/config $config_directory/config.aclbackup");
push(@rv, "$config_directory/config.aclbackup");

# Add /etc/webmin/miniserv.conf
system("cp $config_directory/miniserv.conf $config_directory/miniserv.conf.aclbackup");
push(@rv, "$config_directory/miniserv.conf.aclbackup");

return @rv;
}

# pre_backup(&files)
# Called before the files are actually read
sub pre_backup
{
return undef;
}

# post_backup(&files)
# Called after the files are actually read
sub post_backup
{
unlink("$config_directory/config.aclbackup");
unlink("$config_directory/miniserv.conf.aclbackup");
return undef;
}

# pre_restore(&files)
# Called before the files are restored from a backup
sub pre_restore
{
# Remove user and group .acl files
local $u;
foreach $u (&list_users(), &list_groups()) {
	unlink("$config_directory/$u->{'name'}.acl",
	       glob("$config_directory/*/$u->{'name'}.acl"));
	}
return undef;
}

# post_restore(&files)
# Called after the files are restored from a backup
sub post_restore
{
# Splice global config entries for users into real config
local %aclbackup;
&read_file("$config_directory/config.aclbackup", \%aclbackup);
unlink("$config_directory/config.aclbackup");
local $k;
foreach $k (keys %gconfig) {
	delete($gconfig{$k}) if ($k =~ /^(lang_|notabs_|skill_|risk_|theme_|ownmods_)/);
	}
foreach $k (keys %aclbackup) {
	$gconfig{$k} = $aclbackup{$k} if ($k =~ /^(lang_|notabs_|skill_|risk_|theme_|ownmods_)/);
	}
&write_file("$config_directory/config", \%gconfig);

# Splice miniserv.conf entries for users into real config
%aclbackup = ( );
&read_file("$config_directory/miniserv.conf.aclbackup", \%aclbackup);
unlink("$config_directory/miniserv.conf.aclbackup");
local %miniserv;
&get_miniserv_config(\%miniserv);
foreach $k (keys %miniserv) {
	delete($miniserv{$k}) if ($k =~ /^(preroot_)/);
	}
foreach $k (keys %aclbackup) {
	$miniserv{$k} = $aclbackup{$k} if ($k =~ /^(preroot_)/);
	}
&put_miniserv_config(\%miniserv);

&restart_miniserv();
return undef;
}

1;