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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:34:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:34:10 +0000
commite4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc (patch)
tree68cb5ef9081156392f1dd62a00c6ccc1451b93df /epan/dissectors/packet-flexnet.c
parentInitial commit. (diff)
downloadwireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.tar.xz
wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.zip
Adding upstream version 4.2.2.upstream/4.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'epan/dissectors/packet-flexnet.c')
-rw-r--r--epan/dissectors/packet-flexnet.c141
1 files changed, 141 insertions, 0 deletions
diff --git a/epan/dissectors/packet-flexnet.c b/epan/dissectors/packet-flexnet.c
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+++ b/epan/dissectors/packet-flexnet.c
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+/* 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:
+ */