$NetBSD: patch-bl,v 1.1 2009/05/09 16:33:04 adrianp Exp $

diff -ur dsniff-2.3.orig/webspy.c dsniff-2.3/webspy.c
--- webspy.c.orig	2000-11-14 15:51:04.000000000 +0000
+++ webspy.c	2009-05-06 23:24:07.000000000 +0100
@@ -40,7 +40,7 @@
 usage(void)
 {
 	fprintf(stderr, "Version: " VERSION "\n"
-		"Usage: %s [-i interface] host\n", progname);
+		"Usage: %s [-i interface | -p pcapfile] host\n", progname);
 	exit(1);
 }
 
@@ -180,11 +180,14 @@
 {
 	int c;
 	
-	while ((c = getopt(argc, argv, "i:h?V")) != -1) {
+	while ((c = getopt(argc, argv, "i:p:h?V")) != -1) {
 		switch (c) {
 		case 'i':
 			nids_params.device = optarg;
 			break;
+		case 'p':
+			nids_params.filename = optarg;
+			break;
 		default:
 			usage();
 		}
@@ -212,7 +215,13 @@
 	
 	nids_register_tcp(sniff_http_client);
 
-	warnx("listening on %s", nids_params.device);
+        if (nids_params.filename == NULL) {
+                warnx("listening on %s", nids_params.device);
+        }
+        else {
+                warnx("using %s", nids_params.filename);
+        }
+
 
 	nids_run();