diff -urN simscan-1.4.0/configure.in simscan-1.4.0-nod32/configure.in
--- simscan-1.4.0/configure.in	2007-10-29 16:13:40.000000000 +0200
+++ simscan-1.4.0-nod32/configure.in	2009-04-28 11:44:40.000000000 +0300
@@ -92,6 +92,51 @@
 esac
 
 #----------------------------------------------------------------------
+AC_ARG_ENABLE(eset, [  --enable-eset=y|n   Turn on eset nod32 scanning. default yes.],
+    ENABLE_ESET="$enableval",
+    [
+      ENABLE_ESET=yes
+    ] )
+
+case $ENABLE_ESET in
+1*|y*|Y*)
+        ENABLE_ESET=1
+        AC_DEFINE([ENABLE_ESET], [], [enable eset nod32 scanning])
+
+        #----------------------------------------------------------------------
+
+        AC_MSG_CHECKING(whether we can locate the esets_cli program)
+        esets_cli=""
+        for f in /usr/local/bin/esets_cli /usr/bin/esets_cli /usr/pkg/bin/esets_cli
+        do
+            if test -f $f
+            then
+                esets_cli=$f
+                break
+            fi
+        done
+
+        AC_ARG_ENABLE(esets_cli,
+            [  --enable-esets_cli=PATH   Full path to esets_cli program.],
+            esets_cli="$enableval",
+            [
+                if test "$esets_cli" = ""
+                then
+                    AC_MSG_RESULT(no)
+                    AC_MSG_ERROR([Unable to find your esets_cli program, specify --enable-esets_cli.])
+                fi
+            ]
+        )
+        AC_MSG_RESULT(yes)
+        AC_DEFINE_UNQUOTED(ESET,"$esets_cli","esets_cli program")
+        VIRUSSCANNER=1
+        ;;
+*)
+        ENABLE_ESET=0
+        ;;
+esac
+
+#----------------------------------------------------------------------
 
 AC_ARG_ENABLE(custom-smtp-reject, [  --enable-custom-smtp-reject=y|n   Return smtp reject message with virus name.],
     ENABLE_CUSTOM_SMTP_REJECT="$enableval",
@@ -524,6 +569,11 @@
 )
 
 #----------------------------------------------------------------------
+
+
+
+
+#----------------------------------------------------------------------
 AC_ARG_ENABLE(ripmime, 
    [  --enable-ripmime=PATH   Full path to ripmime program.],
    ENABLE_RIPMIME="$enableval",
@@ -758,6 +808,17 @@
     ;;
 esac
 
+case $ENABLE_ESET in
+  1*|y*|Y*)
+  echo " esets_cli program     = $esets_cli"
+  echo " eset nod32 scan       = ON"
+    ;;
+  *)
+  echo " eset nod32 scan       = OFF"
+    ;;
+esac
+
+
 case $ENABLE_TROPHIE in
   1*|y*|Y*)
   echo " trophie socket        = $trophiesocket"
diff -urN simscan-1.4.0/simscan.c simscan-1.4.0-nod32/simscan.c
--- simscan-1.4.0/simscan.c	2007-10-29 16:15:05.000000000 +0200
+++ simscan-1.4.0-nod32/simscan.c	2009-04-28 13:59:00.000000000 +0300
@@ -170,6 +170,12 @@
 int is_clam(char *clambuf);
 #endif
 
+#ifdef ENABLE_ESET
+/* NOD32 scanner */
+char *eset_arg[] = { "esets_cli", ".", NULL };
+int check_eset();
+#endif
+
 /* Attachment scanning globals */
 #ifdef ENABLE_ATTACH
 #define ATTACH_TOKENS " :\t\n\r"
@@ -628,6 +634,35 @@
   }
 #endif
 
+#ifdef ENABLE_ESET
+  /* Run esets_cli, exit on errors */
+  ret = check_eset();
+  switch ( ret ) {
+    case -2:
+      if ( DebugFlag > 0 ) { fprintf(stderr, "simscan: esets disabled\n"); }
+      break;
+    case -1:
+      if ( DebugFlag > 0 ) {
+        fprintf(stderr, "simscan: fatal error executing esets_cli\n");
+      }
+      exit_clean(EXIT_400);
+      break;
+    case 1:
+    case 2:
+    case 3:
+      FoundVirus=1;
+      if ( DebugFlag > 0 ) {
+        fprintf(stderr, "simscan: esets_cli detected a virus\n");
+      }
+      break;
+    default:
+      if ( DebugFlag > 0 ) {
+        fprintf(stderr, "simscan: normal esets_cli return code: %d\n", ret);
+      }
+      break;
+  }
+
+#endif
 #ifdef VIRUSSCANNER
   /* check for viri, return error if found or a temporary problem */
   if ( FoundVirus == 1 ) {
@@ -2213,6 +2248,69 @@
 #endif
 
 
+#ifdef ENABLE_ESET
+/* execute esets_cli virus scanner
+	0 - no virus
+	1 - defer
+	2 - discard
+	3 - reject  
+ modified version of check_clam() 
+ devane@gmail.com */
+
+int check_eset() {
+
+ int pid;
+ int rmstat;
+ int pim[2];
+
+  if ( DebugFlag > 0 ) {
+    fprintf(stderr, "simscan: calling esets_cli\n");
+  }
+
+
+  if ( pipe(pim) == -1 ) {
+        perror("pipe");
+        exit(EXIT_FAILURE);
+  }
+
+  /* fork esets_cli */
+  switch(pid = vfork()) {
+    case -1:
+      close(pim[0]);
+      close(pim[1]);
+        fprintf(stderr, "simscan: cannot vfork()");
+      return(-1);
+    case 0:
+      close(pim[0]);
+      dup2(pim[1],1);
+      close(pim[1]);
+      execve(ESET, eset_arg, 0);
+      _exit(-1);
+  }
+  close(pim[1]);
+  dup2(pim[0],0);
+  close(pim[0]);
+
+  /* wait for clamdscan to finish */
+  if (waitpid(pid,&rmstat, 0) == -1) {
+    return(-1);
+  }
+
+  /* check if the child died on a signal */
+  if ( WIFSIGNALED(rmstat) ) return(-1);
+
+  /* if it exited okay, return the status */
+  if ( WIFEXITED(rmstat) ) {
+        return(WEXITSTATUS(rmstat));
+  }
+
+  /* should not reach here */
+  fprintf(stderr, "simscan: hould not reach here\n");
+  return(-1);
+}
+
+#endif
+
 #if HAVE_STRSEP!=1
 char *strsep (char **pp, char *delim) 
 {