diff -urN amavisd-orig/amavis/amavisd.conf.in amavisd-snapshot-20010714/amavis/amavisd.conf.in
--- amavisd-orig/amavis/amavisd.conf.in	Sat Apr 20 19:40:18 2002
+++ amavisd-snapshot-20010714/amavis/amavisd.conf.in	Sat Apr 20 19:49:48 2002
@@ -25,6 +25,9 @@
 # NOTE: don't forget to re-run ./configure if you want to use
 # another virus scanner!
 
+# mks_vir Antivirus (mks32)
+$mksvir = "@mksvir";
+
 # NAI AntiVirus (uvscan)
 $uvscan = "@uvscan@";
 $uvscan_args = "@uvscan_args@";
diff -urN amavisd-orig/amavis/amavisd.in amavisd-snapshot-20010714/amavis/amavisd.in
--- amavisd-orig/amavis/amavisd.in	Sat Apr 20 19:40:18 2002
+++ amavisd-snapshot-20010714/amavis/amavisd.in	Sat Apr 20 19:50:13 2002
@@ -82,7 +82,7 @@
 # Virus related
 
 # Av scanners
-use vars qw ( $uvscan $uvscan_args $uvscan_exitcode $antivir $sophos $sophos_ide $avp $AVPDIR $avpdc $fsav $vscan $vfind $inocucmd $rav $nod32 $csav );
+use vars qw ( $uvscan $uvscan_args $uvscan_exitcode $antivir $sophos $sophos_ide $avp $AVPDIR $avpdc $fsav $vscan $vfind $inocucmd $rav $nod32 $csav $mksvir );
 
 use vars qw ( $virusbackup $QUARANTINE $VIRUSFILE $viruslist @virusname $warnadmin $warnsender $warnrecip );
 
@@ -350,6 +350,7 @@
 	# more once we've found one.
 	#
 
+@mksvir_scanner_frag@
 @hbedv_scanner_frag@
 @nai_scanner_frag@
 @sophos_scanner_frag@
diff -urN amavisd-orig/amavis/av/mksvir amavisd-snapshot-20010714/amavis/av/mksvir
--- amavisd-orig/amavis/av/mksvir	Thu Jan  1 01:00:00 1970
+++ amavisd-snapshot-20010714/amavis/av/mksvir	Sat Apr 20 19:49:56 2002
@@ -0,0 +1,37 @@
+#
+# mks_vir (www.mks.com.pl)
+#
+
+
+if ($mksvir ne "") {
+        $output = `$mksvir -s $TEMPDIR/parts/*`;
+        do_log(2,$output);
+        if ($errval != 0) {
+                if ($errval & 1) {
+                        @virusname = ($output =~ /file.*virus (.+)/g);
+                        do_virus($output);
+                } else {
+                        do_log(0,"Virus scanner failure: $antivir (error code: $errval)");
+                }
+        }
+}
+
+# --------- kody bledow mks --------
+# ===================================
+#
+# na kodach bledow moga byc wykonana operacja bitowa OR
+# tak wiec kod bledu 0x05 oznacza : 1 + 4
+#
+# 0  OK
+#
+# 1  znaleziony wirus
+# 2  plik wyleczony
+# 4  plik skasowany
+#
+# kody bledow:
+#
+# 128  0x80  blad wewnetrzny
+# 256  0x100 blad opcji
+# 512  0x200 blad inicjalizacji
+# 1024 0x400 blad operacji plikowej
+
diff -urN amavisd-orig/configure.in amavisd-snapshot-20010714/configure.in
--- amavisd-orig/configure.in	Sat Apr 20 19:40:18 2002
+++ amavisd-snapshot-20010714/configure.in	Sat Apr 20 19:49:43 2002
@@ -344,6 +344,7 @@
   cyber_scanner_frag=$srcdir/amavis/av/cyber
   fsec_scanner_frag=$srcdir/amavis/av/fsec
   hbedv_scanner_frag=$srcdir/amavis/av/hbedv
+  mksvir_scanner_frag=$srcdir/amavis/av/mksvir
   nai_scanner_frag=$srcdir/amavis/av/nai
   nod32_scanner_frag=$srcdir/amavis/av/nod32
   rav_scanner_frag=$srcdir/amavis/av/rav
@@ -367,6 +368,20 @@
   hbedv_scanner_frag=$srcdir/amavis/av/hbedv
 fi
 
+mksvir_scanner_frag=/dev/null
+AC_CHECKING([*** mks_vir AntiVirus ***])
+AC_PATH_PROGS(mksvir, mks32, , $PATH:/usr/bin:/usr/local/bin)
+if test "x$mksvir" = "x" ; then
+  AC_MSG_WARN([************************************************************])
+  AC_MSG_WARN([***              mks_vir AntiVirus NOT found             ***])
+  AC_MSG_WARN([***                    but that's ok                     ***])
+  AC_MSG_WARN([************************************************************])
+else
+  # This is the first one
+  avscanner=" mks_vir AntiVirus"
+  mksvir_scanner_frag=$srcdir/amavis/av/mksvir
+fi
+
 nai_scanner_frag=/dev/null
 AC_CHECKING([*** McAfee Virusscan ***])
 AC_PATH_PROGS(uvscan, uvscan, , $PATH:/usr/bin:/usr/local/bin)
@@ -747,6 +762,7 @@
 AC_SUBST_FILE(cyber_scanner_frag)
 AC_SUBST_FILE(fsec_scanner_frag)
 AC_SUBST_FILE(hbedv_scanner_frag)
+AC_SUBST_FILE(mksvir_scanner_frag)
 AC_SUBST_FILE(nai_scanner_frag)
 AC_SUBST_FILE(nod32_scanner_frag)
 AC_SUBST_FILE(rav_scanner_frag)