added log file

diff --git a/bin/ldap-rewrite.pl b/bin/ldap-rewrite.pl
index 23e790b..a6eff6e 100755 (executable)
--- a/bin/ldap-rewrite.pl
+++ b/bin/ldap-rewrite.pl
@@ -24,9 +24,23 @@ my $config = {
        upstream_ldap => 'ldap.ffzg.hr',
        upstream_ssl => 1,
        overlay_prefix => 'ffzg-',
+       log_file => 'log',
 
 };
 
+my $log_fh;
+
+sub log {
+       open($log_fh, '>', $config->{log_file}) || die "can't open ", $config->{log_file},": $!";
+       $log_fh->autoflush(1);
+       print $log_fh join("\n", @_),"\n";
+}
+
+BEGIN {
+       $SIG{'__WARN__'} = sub { warn @_; main::log(@_); }
+}
+
+
 if ( ! -d $config->{yaml_dir} ) {
        warn "DISABLE ", $config->{yaml_dir}," data overlay";
 }