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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:34:10 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:34:10 +0000 |
commit | e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc (patch) | |
tree | 68cb5ef9081156392f1dd62a00c6ccc1451b93df /epan/dissectors/packet-flexnet.c | |
parent | Initial commit. (diff) | |
download | wireshark-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.c | 141 |
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: + */ |