1 files changed, 141 insertions, 0 deletions
diff --git a/epan/dissectors/packet-flexnet.c b/epan/dissectors/packet-flexnet.c
new file mode 100644
index 00000000..2f52bbad
--- /dev/null
+++ b/epan/dissectors/packet-flexnet.c
@@ -0,0 +1,141 @@
+/* packet-flexnet.c
+ *
+ * Routines for Amateur Packet Radio protocol dissection
+ * Copyright 2005,2006,2007,2008,2009,2010,2012 R.W. Stearn <richard@rns-stearn.demon.co.uk>
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+/*
+ * Information on the protocol drawn from:
+ *
+ * Inspiration on how to build the dissector drawn from
+ *   packet-sdlc.c
+ *   packet-x25.c
+ *   packet-lapb.c
+ *   paket-gprs-llc.c
+ *   xdlc.c
+ * with the base file built from README.developers.
+ */
+
+#include "config.h"
+
+#include <epan/packet.h>
+#include <epan/ax25_pids.h>
+
+void proto_register_flexnet(void);
+void proto_reg_handoff_flexnet(void);
+
+static dissector_handle_t flexnet_handle;
+
+#define FLEXNET_ADRLEN  15
+#define FLEXNET_CTLLEN  15
+#define FLEXNET_HDRLEN  (FLEXNET_ADRLEN + FLEXNET_ADRLEN + FLEXNET_CTLLEN)
+
+static int proto_flexnet	= -1;
+static int hf_flexnet_dst	= -1;
+static int hf_flexnet_src	= -1;
+static int hf_flexnet_ctl	= -1;
+
+static gint ett_flexnet = -1;
+static gint ett_flexnet_ctl = -1;
+
+static int
+dissect_flexnet(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, void* data _U_)
+{
+	tvbuff_t   *next_tvb;
+
+	col_set_str( pinfo->cinfo, COL_PROTOCOL, "Flexnet");
+	col_clear( pinfo->cinfo, COL_INFO );
+
+	if ( parent_tree )
+		{
+		proto_item *ti;
+		proto_tree *flexnet_tree;
+		int	    offset;
+
+		/* create display subtree for the protocol */
+
+		ti = proto_tree_add_protocol_format( parent_tree, proto_flexnet, tvb, 0, FLEXNET_HDRLEN, "FLEXNET" );
+
+		flexnet_tree = proto_item_add_subtree( ti, ett_flexnet );
+
+		offset = 0;
+
+		proto_tree_add_item( flexnet_tree, hf_flexnet_dst, tvb, offset, FLEXNET_ADRLEN, ENC_NA );
+		offset +=FLEXNET_ADRLEN;
+
+		proto_tree_add_item( flexnet_tree, hf_flexnet_src, tvb, offset, FLEXNET_ADRLEN, ENC_NA );
+		offset +=FLEXNET_ADRLEN;
+
+		proto_tree_add_item( flexnet_tree, hf_flexnet_ctl, tvb, offset, FLEXNET_CTLLEN, ENC_NA );
+		/* offset +=FLEXNET_CTLLEN; */
+		}
+
+	/* Call sub-dissectors here */
+
+	next_tvb = tvb_new_subset_remaining(tvb, FLEXNET_HDRLEN);
+	call_data_dissector(next_tvb, pinfo, parent_tree );
+	return tvb_captured_length(tvb);
+}
+
+void
+proto_register_flexnet(void)
+{
+	/* Setup list of header fields */
+	static hf_register_info hf[] = {
+		{ &hf_flexnet_dst,
+			{ "Destination",		"flexnet.dst",
+			FT_BYTES, BASE_NONE, NULL, 0x0,
+			"Destination address", HFILL }
+		},
+		{ &hf_flexnet_src,
+			{ "Source",			"flexnet.src",
+			FT_BYTES, BASE_NONE, NULL, 0x0,
+			"Source address", HFILL }
+		},
+		{ &hf_flexnet_ctl,
+			{ "Control",			"flexnet.ctl",
+			FT_BYTES, BASE_NONE, NULL, 0x0,
+			NULL, HFILL }
+		},
+	};
+
+	/* Setup protocol subtree array */
+	static gint *ett[] = {
+		&ett_flexnet,
+		&ett_flexnet_ctl,
+	};
+
+	/* Register the protocol name and description */
+	proto_flexnet = proto_register_protocol("FlexNet", "FLEXNET", "flexnet");
+
+	/* Required function calls to register the header fields and subtrees used */
+	proto_register_field_array( proto_flexnet, hf, array_length( hf ) );
+	proto_register_subtree_array( ett, array_length( ett ) );
+
+	flexnet_handle = register_dissector( "flexnet", dissect_flexnet, proto_flexnet );
+}
+
+void
+proto_reg_handoff_flexnet(void)
+{
+	dissector_add_uint( "ax25.pid", AX25_P_FLEXNET, flexnet_handle );
+}
+
+/*
+ * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 8
+ * tab-width: 8
+ * indent-tabs-mode: t
+ * End:
+ *
+ * vi: set shiftwidth=8 tabstop=8 noexpandtab:
+ * :indentSize=8:tabSize=8:noTabs=false:
+ */