Add NNTP support.

svn path=/trunk/; revision=241

1 files changed, 109 insertions, 0 deletions

diff --git a/packet-nntp.c b/packet-nntp.c
new file mode 100644
index 0000000000..7aabb1382e
--- /dev/null
+++ b/packet-nntp.c
@@ -0,0 +1,109 @@
+/* packet-nntp.c
+ * Routines for nntp packet dissection
+ * Copyright 1999, Richard Sharpe <rsharpe@ns.aus.com>
+ *
+ * $Id: packet-nntp.c,v 1.1 1999/04/06 02:02:11 guy Exp $
+ *
+ * Ethereal - Network traffic analyzer
+ * By Gerald Combs <gerald@unicom.net>
+ * Copyright 1998 Gerald Combs
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <stdio.h>
+
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+
+#ifdef HAVE_NETINET_IN_H
+# include <netinet/in.h>
+#endif
+
+#include <string.h>
+#include <glib.h>
+#include "packet.h"
+
+extern packet_info pi;
+
+void
+dissect_nntp(const u_char *pd, int offset, frame_data *fd, proto_tree *tree, int max_data)
+{
+        gchar           *type;
+        proto_tree      *nntp_tree, *ti;
+	const u_char	*data, *dataend;
+	const u_char	*lineend, *eol;
+	int		linelen;
+
+	data = &pd[offset];
+	dataend = data + END_OF_FRAME;
+	if (dataend > data + max_data)
+		dataend = data + max_data;
+
+        if (pi.match_port == pi.destport)
+        	type = "Request";
+        else
+        	type = "Response";
+
+	if (check_col(fd, COL_PROTOCOL))
+		col_add_str(fd, COL_PROTOCOL, "NNTP");
+
+	if (check_col(fd, COL_INFO)) {
+		/*
+		 * Put the first line from the buffer into the summary.
+		 */
+		lineend = find_line_end(data, dataend, &eol);
+		linelen = eol - data;
+		col_add_fstr(fd, COL_INFO, "%s: %s", type,
+		    format_text(data, linelen));
+	}
+
+	if (tree) {
+
+	  ti = proto_tree_add_item(tree, offset, END_OF_FRAME,
+				"Network News Transfer Protocol");
+	  nntp_tree = proto_tree_new();
+	  proto_item_add_subtree(ti, nntp_tree, ETT_NNTP);
+
+	  /*
+	   * Show the request or response as text, a line at a time.
+	   * XXX - for requests, we could display the stuff after the
+	   * first line, if any, based on what the request was, and
+	   * for responses, we could display it based on what the
+	   * matching request was, although the latter requires us to
+	   * know what the matching request was....
+	   */
+	  while (data < dataend) {
+		/*
+		 * Find the end of the line.
+		 */
+		lineend = find_line_end(data, dataend, &eol);
+		linelen = lineend - data;
+
+		/*
+		 * Put this line.
+		 */
+		proto_tree_add_item(nntp_tree, offset, linelen, "%s",
+		    format_text(data, linelen));
+		offset += linelen;
+		data = lineend;
+	  }
+	}
+}