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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-hci_h1.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-hci_h1.c')
-rw-r--r-- | epan/dissectors/packet-hci_h1.c | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/epan/dissectors/packet-hci_h1.c b/epan/dissectors/packet-hci_h1.c new file mode 100644 index 00000000..f0cd09ee --- /dev/null +++ b/epan/dissectors/packet-hci_h1.c @@ -0,0 +1,151 @@ +/* packet-hci_h1.c + * Routines for the Bluetooth HCI H1 dissection + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "config.h" + +#include <epan/packet.h> +#include <wiretap/wtap.h> + +#include "packet-bluetooth.h" + +static int proto_hci_h1 = -1; + +static int hf_hci_h1_direction = -1; + +static gint ett_hci_h1 = -1; + +static dissector_table_t hci_h1_table; + +static dissector_handle_t hci_h1_handle; + +static const value_string hci_h1_type_vals[] = { + {BTHCI_CHANNEL_COMMAND, "HCI Command"}, + {BTHCI_CHANNEL_ACL, "ACL Data"}, + {BTHCI_CHANNEL_SCO, "SCO Data"}, + {BTHCI_CHANNEL_EVENT, "HCI Event"}, + {BTHCI_CHANNEL_ISO, "ISO Data"}, + {0, NULL } +}; +static const value_string hci_h1_direction_vals[] = { + {-1, "Unknown"}, + {0, "Sent"}, + {1, "Rcvd"}, + {0, NULL} +}; + +void proto_register_hci_h1(void); +void proto_reg_handoff_hci_h1(void); + +static gint +dissect_hci_h1(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) +{ + guint8 type; + tvbuff_t *next_tvb; + proto_item *ti = NULL; + proto_tree *hci_h1_tree = NULL; + bluetooth_data_t *bluetooth_data; + + bluetooth_data = (bluetooth_data_t *) data; + + col_set_str(pinfo->cinfo, COL_PROTOCOL, "HCI"); + + col_clear(pinfo->cinfo, COL_INFO); + + DISSECTOR_ASSERT(bluetooth_data->previous_protocol_data_type == BT_PD_BTHCI); + type = bluetooth_data->previous_protocol_data.bthci->channel; + + if (tree) { + ti = proto_tree_add_item(tree, proto_hci_h1, tvb, 0, 0, ENC_NA); + hci_h1_tree = proto_item_add_subtree(ti, ett_hci_h1); + + if(pinfo->p2p_dir == P2P_DIR_SENT || + pinfo->p2p_dir == P2P_DIR_RECV) + proto_item_append_text(hci_h1_tree, " %s %s", + val_to_str(pinfo->p2p_dir, + hci_h1_direction_vals, "Unknown: %d"), + val_to_str(type, + hci_h1_type_vals, + "Unknown 0x%02x")); + else + proto_item_append_text(hci_h1_tree, " %s", + val_to_str(type, + hci_h1_type_vals, + "Unknown 0x%02x")); + } + + if(pinfo->p2p_dir == P2P_DIR_SENT || + pinfo->p2p_dir == P2P_DIR_RECV) + col_add_fstr(pinfo->cinfo, COL_INFO, "%s %s", + val_to_str(pinfo->p2p_dir, + hci_h1_direction_vals, "Unknown: %d"), + val_to_str(type, hci_h1_type_vals, + "Unknown 0x%02x")); + else + col_add_fstr(pinfo->cinfo, COL_INFO, "%s", + val_to_str(type, hci_h1_type_vals, + "Unknown 0x%02x")); + + ti = proto_tree_add_int(hci_h1_tree, hf_hci_h1_direction, tvb, 0, 0, pinfo->p2p_dir); + proto_item_set_generated(ti); + + next_tvb = tvb_new_subset_remaining(tvb, 0); + if (!dissector_try_uint_new(hci_h1_table, type, next_tvb, pinfo, tree, TRUE, bluetooth_data)) { + call_data_dissector(next_tvb, pinfo, tree); + } + + return tvb_reported_length(tvb); +} + + +void +proto_register_hci_h1(void) +{ + static hf_register_info hf[] = { + { &hf_hci_h1_direction, + { "Direction", "hci_h1.direction", + FT_INT8, BASE_DEC, VALS(hci_h1_direction_vals), 0x0, + "HCI Packet Direction Sent/Rcvd/Unknown", HFILL } + } + }; + + static gint *ett[] = { + &ett_hci_h1, + }; + + proto_hci_h1 = proto_register_protocol("Bluetooth HCI H1", + "HCI_H1", "hci_h1"); + + hci_h1_handle = register_dissector("hci_h1", dissect_hci_h1, proto_hci_h1); + + proto_register_field_array(proto_hci_h1, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); + + hci_h1_table = register_dissector_table("hci_h1.type", + "HCI h1 pdu type", proto_hci_h1, FT_UINT8, BASE_HEX); +} + +void +proto_reg_handoff_hci_h1(void) +{ + dissector_add_uint("bluetooth.encap", WTAP_ENCAP_BLUETOOTH_HCI, hci_h1_handle); +} + +/* + * Editor modelines - https://www.wireshark.org/tools/modelines.html + * + * Local variables: + * c-basic-offset: 4 + * tab-width: 8 + * indent-tabs-mode: nil + * End: + * + * vi: set shiftwidth=4 tabstop=8 expandtab: + * :indentSize=4:tabSize=8:noTabs=true: + */ |