/* **********************************************************************
* Function called for a stat command-line argument
* ********************************************************************** */
gboolean
process_stat_cmd_arg(const char *optstr)
{
wmem_list_frame_t *entry;
stat_cmd_arg *sca;
stat_requested *tr;
char *stat_command = g_strdup(optstr);
/* Renamed in Wireshark 3.0, backwards compatibility. */
if (!strncmp(stat_command, "follow,ssl", strlen("follow,ssl"))) {
memcpy(stat_command + 7, "tls", 3);
}
/* The strings "ipx" or "ipv6" must be tested before "ip" to select the
right tap so the sorting does matter. And it's also why the list is
walked backwards */
for (entry = wmem_list_tail(stat_cmd_arg_list); entry; entry = wmem_list_frame_prev(entry)) {
sca = (stat_cmd_arg*)wmem_list_frame_data(entry);
if (!strncmp(sca->cmd, stat_command, strlen(sca->cmd))) {
tr=(stat_requested *)g_malloc(sizeof (stat_requested));
tr->sca = sca;
tr->arg = stat_command;
stats_requested = g_slist_append(stats_requested, tr);
return TRUE;
}
}
g_free(stat_command);
return FALSE;
}
static gint
dissect_adb(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
{
proto_item *main_item;
proto_tree *main_tree;
proto_item *arg0_item;
proto_tree *arg0_tree;
proto_item *arg1_item;
proto_tree *arg1_tree;
proto_item *magic_item;
proto_item *crc_item;
proto_tree *crc_tree = NULL;
proto_item *sub_item;
gint offset = 0;
guint32 command;
guint32 arg0;
guint32 arg1;
guint32 data_length = 0;
guint32 crc32 = 0;
usb_conv_info_t *usb_conv_info = NULL;
wmem_tree_key_t key[5];
guint32 interface_id;
guint32 bus_id;
guint32 device_address;
guint32 side_id;
guint32 frame_number;
gboolean is_command = TRUE;
gboolean is_next_fragment = FALSE;
gboolean is_service = FALSE;
gint proto;
gint direction = P2P_DIR_UNKNOWN;
wmem_tree_t *wmem_tree;
command_data_t *command_data = NULL;
service_data_t *service_data = NULL;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "ADB");
col_clear(pinfo->cinfo, COL_INFO);
main_item = proto_tree_add_item(tree, proto_adb, tvb, offset, -1, ENC_NA);
main_tree = proto_item_add_subtree(main_item, ett_adb);
frame_number = pinfo->fd->num;
/* XXX: Why? If interface is USB only first try is correct
* (and seems strange...), in other cases standard check for
* previous protocol is correct */
proto = (gint) GPOINTER_TO_INT(wmem_list_frame_data(/*wmem_list_frame_prev*/(wmem_list_tail(pinfo->layers))));
if (proto != proto_usb) {
proto = (gint) GPOINTER_TO_INT(wmem_list_frame_data(wmem_list_frame_prev(wmem_list_tail(pinfo->layers))));
}
if (proto == proto_usb) {
usb_conv_info = (usb_conv_info_t *) data;
DISSECTOR_ASSERT(usb_conv_info);
direction = usb_conv_info->direction;
} else if (proto == proto_tcp) {
if (pinfo->destport == ADB_TCP_PORT)
direction = P2P_DIR_SENT;
else
direction = P2P_DIR_RECV;
} else {
return offset;
}
if (pinfo->phdr->presence_flags & WTAP_HAS_INTERFACE_ID)
interface_id = pinfo->phdr->interface_id;
else
interface_id = 0;
if (proto == proto_usb) {
bus_id = usb_conv_info->bus_id;
device_address = usb_conv_info->device_address;
key[0].length = 1;
key[0].key = &interface_id;
key[1].length = 1;
key[1].key = &bus_id;
key[2].length = 1;
key[2].key = &device_address;
key[3].length = 0;
key[3].key = NULL;
} else { /* tcp */
key[0].length = 1;
key[0].key = &interface_id;
key[1].length = 1;
key[2].length = 1;
if (direction == P2P_DIR_SENT) {
key[1].key = &pinfo->srcport;
key[2].key = &pinfo->destport;
} else {
key[1].key = &pinfo->destport;
key[2].key = &pinfo->srcport;
}
key[3].length = 0;
key[3].key = NULL;
}
wmem_tree = (wmem_tree_t *) wmem_tree_lookup32_array(command_info, key);
if (wmem_tree) {
command_data = (command_data_t *) wmem_tree_lookup32_le(wmem_tree, frame_number);
if (command_data && command_data->completed_in_frame >= frame_number &&
command_data->command_in_frame <= frame_number) {
if (command_data->command_in_frame != frame_number) {
is_command = FALSE;
is_next_fragment = TRUE;
}
data_length = command_data->data_length;
crc32 = command_data->crc32;
if (direction == P2P_DIR_SENT)
if (command_data->command == A_CLSE)
side_id = command_data->arg1; /* OUT: local id */
else
side_id = command_data->arg0; /* OUT: local id */
else
if (command_data->command == A_OKAY) {
side_id = command_data->arg1; /* IN: remote id */
} else
side_id = command_data->arg1; /* IN: remote id */
key[3].length = 1;
key[3].key = &side_id;
key[4].length = 0;
key[4].key = NULL;
wmem_tree = (wmem_tree_t *) wmem_tree_lookup32_array(service_info, key);
if (wmem_tree) {
service_data = (service_data_t *) wmem_tree_lookup32_le(wmem_tree, frame_number);
if (service_data && command_data->command == A_OPEN) {
is_service = TRUE;
}
}
}
}
/* Simple heuristics to check if packet is command or data */
if ((command_data && command_data->completed_in_frame <= frame_number) || !command_data) {
if (tvb_reported_length(tvb) < 24) {
is_command = FALSE;
} else if (tvb_reported_length(tvb) >= 24) {
command = tvb_get_letohl(tvb, offset);
if (command != A_SYNC && command != A_CLSE && command != A_WRTE &&
command != A_AUTH && command != A_CNXN && command != A_OPEN && command != A_OKAY)
is_command = FALSE;
else if (command != (0xFFFFFFFF ^ tvb_get_letohl(tvb, offset + 20)))
is_command = FALSE;
if (is_command) {
data_length = tvb_get_letohl(tvb, offset + 12);
crc32 = tvb_get_letohl(tvb, offset + 16);
}
if (command == A_OPEN) is_service = TRUE;
}
}
if (service_data && !(command_data->command == A_OPEN && is_next_fragment)) {
sub_item = proto_tree_add_string(main_tree, hf_service, tvb, offset, 0, service_data->service);
PROTO_ITEM_SET_GENERATED(sub_item);
}
if (service_data) {
sub_item = proto_tree_add_uint(main_tree, hf_service_start_in_frame, tvb, offset, 0, service_data->start_in_frame);
PROTO_ITEM_SET_GENERATED(sub_item);
if (service_data->close_local_in_frame < max_in_frame) {
sub_item = proto_tree_add_uint(main_tree, hf_close_local_in_frame, tvb, offset, 0, service_data->close_local_in_frame);
PROTO_ITEM_SET_GENERATED(sub_item);
}
if (service_data->close_remote_in_frame < max_in_frame) {
sub_item = proto_tree_add_uint(main_tree, hf_close_remote_in_frame, tvb, offset, 0, service_data->close_remote_in_frame);
PROTO_ITEM_SET_GENERATED(sub_item);
}
}
if (is_command) {
proto_tree_add_item(main_tree, hf_command, tvb, offset, 4, ENC_LITTLE_ENDIAN);
command = tvb_get_letohl(tvb, offset);
offset += 4;
col_append_str(pinfo->cinfo, COL_INFO, val_to_str_const(command, command_vals, "Unknown command"));
arg0_item = proto_tree_add_item(main_tree, hf_argument_0, tvb, offset, 4, ENC_LITTLE_ENDIAN);
arg0_tree = proto_item_add_subtree(arg0_item, ett_adb_arg0);
arg0 = tvb_get_letohl(tvb, offset);
offset += 4;
arg1_item = proto_tree_add_item(main_tree, hf_argument_1, tvb, offset, 4, ENC_LITTLE_ENDIAN);
arg1_tree = proto_item_add_subtree(arg1_item, ett_adb_arg1);
arg1 = tvb_get_letohl(tvb, offset);
offset += 4;
switch (command) {
case A_CNXN:
proto_tree_add_item(arg0_tree, hf_version, tvb, offset - 8, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(arg1_tree, hf_max_data, tvb, offset - 4, 4, ENC_LITTLE_ENDIAN);
col_append_fstr(pinfo->cinfo, COL_INFO, "(version=%u.%u.%u, max_data=%u)", tvb_get_guint8(tvb, offset - 5), tvb_get_guint8(tvb, offset - 6), tvb_get_letohs(tvb, offset - 7), tvb_get_letohl(tvb, offset - 4));
break;
case A_AUTH:
proto_tree_add_item(arg0_tree, hf_auth_type, tvb, offset - 8, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(arg1_tree, hf_zero, tvb, offset - 4, 4, ENC_LITTLE_ENDIAN);
col_append_fstr(pinfo->cinfo, COL_INFO, "(type=%s, 0)", val_to_str_const(tvb_get_letohl(tvb, offset - 8), auth_type_vals, "Unknown"));
break;
case A_OPEN:
proto_tree_add_item(arg0_tree, hf_local_id, tvb, offset - 8, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(arg1_tree, hf_zero, tvb, offset - 4, 4, ENC_LITTLE_ENDIAN);
col_append_fstr(pinfo->cinfo, COL_INFO, "(local=%u, 0)", tvb_get_letohl(tvb, offset - 8));
break;
case A_WRTE:
proto_tree_add_item(arg0_tree, hf_zero, tvb, offset - 8, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(arg1_tree, hf_remote_id, tvb, offset - 4, 4, ENC_LITTLE_ENDIAN);
col_append_fstr(pinfo->cinfo, COL_INFO, "(0, remote=%u)", tvb_get_letohl(tvb, offset - 4));
break;
case A_CLSE:
case A_OKAY:
proto_tree_add_item(arg0_tree, hf_local_id, tvb, offset - 8, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(arg1_tree, hf_remote_id, tvb, offset - 4, 4, ENC_LITTLE_ENDIAN);
col_append_fstr(pinfo->cinfo, COL_INFO, "(local=%u, remote=%u)", tvb_get_letohl(tvb, offset - 8), tvb_get_letohl(tvb, offset - 4));
break;
case A_SYNC:
proto_tree_add_item(arg0_tree, hf_online, tvb, offset - 8, 4, ENC_LITTLE_ENDIAN);
proto_tree_add_item(arg1_tree, hf_sequence, tvb, offset - 4, 4, ENC_LITTLE_ENDIAN);
col_append_fstr(pinfo->cinfo, COL_INFO, "(online=%s, sequence=%u)", tvb_get_letohl(tvb, offset - 8) ? "Yes": "No", tvb_get_letohl(tvb, offset - 4));
break;
}
proto_tree_add_item(main_tree, hf_data_length, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
if (data_length > 0)
col_append_fstr(pinfo->cinfo, COL_INFO, " length=%u ", data_length);
crc_item = proto_tree_add_item(main_tree, hf_data_crc32, tvb, offset, 4, ENC_LITTLE_ENDIAN);
crc_tree = proto_item_add_subtree(crc_item, ett_adb_crc);
crc32 = tvb_get_letohl(tvb, offset);
offset += 4;
magic_item = proto_tree_add_item(main_tree, hf_magic, tvb, offset, 4, ENC_LITTLE_ENDIAN);
if ((tvb_get_letohl(tvb, offset) ^ 0xFFFFFFFF) != command) {
proto_tree *expert_tree;
expert_tree = proto_item_add_subtree(magic_item, ett_adb_magic);
proto_tree_add_expert(expert_tree, pinfo, &ei_invalid_magic, tvb, offset, 4);
}
if (!pinfo->fd->flags.visited)
save_command(command, arg0, arg1, data_length, crc32, service_data, proto, data, pinfo, &service_data, &command_data);
offset += 4;
}
if (!pinfo->fd->flags.visited && command_data) {
if (command_data->command_in_frame != frame_number) {
is_command = FALSE;
is_next_fragment = TRUE;
}
data_length = command_data->data_length;
crc32 = command_data->crc32;
if ((command_data->command_in_frame != frame_number && tvb_captured_length(tvb) == data_length) ||
(command_data->command_in_frame == frame_number && tvb_captured_length(tvb) == data_length + 24)
) {
command_data->reassemble_data_length = command_data->data_length;
command_data->completed_in_frame = frame_number;
}
}
if (is_next_fragment && command_data) {
sub_item = proto_tree_add_uint(main_tree, hf_command_in_frame, tvb, offset, 0, command_data->command_in_frame);
PROTO_ITEM_SET_GENERATED(sub_item);
sub_item = proto_tree_add_uint(main_tree, hf_command, tvb, offset, 0, command_data->command);
PROTO_ITEM_SET_GENERATED(sub_item);
sub_item = proto_tree_add_uint(main_tree, hf_data_length, tvb, offset, 0, command_data->data_length);
PROTO_ITEM_SET_GENERATED(sub_item);
crc_item = proto_tree_add_uint(main_tree, hf_data_crc32, tvb, offset, 0, command_data->crc32);
crc_tree = proto_item_add_subtree(crc_item, ett_adb_crc);
PROTO_ITEM_SET_GENERATED(crc_item);
}
if (command_data && command_data->completed_in_frame != frame_number) {
sub_item = proto_tree_add_uint(main_tree, hf_completed_in_frame, tvb, offset, 0, command_data->completed_in_frame);
PROTO_ITEM_SET_GENERATED(sub_item);
}
if (tvb_captured_length_remaining(tvb, offset) > 0 && (!is_command || data_length > 0)) {
guint32 crc = 0;
guint32 i_offset;
if ((!pinfo->fd->flags.visited && command_data && command_data->reassemble_data_length < command_data->data_length) || data_length > (guint32) tvb_captured_length_remaining(tvb, offset)) { /* need reassemble */
if (!pinfo->fd->flags.visited && command_data && command_data->reassemble_data_length < command_data->data_length) {
tvb_memcpy(tvb, command_data->reassemble_data + command_data->reassemble_data_length, offset, tvb_captured_length_remaining(tvb, offset));
command_data->reassemble_data_length += tvb_captured_length_remaining(tvb, offset);
if (command_data->reassemble_data_length >= command_data->data_length)
command_data->completed_in_frame = frame_number;
}
proto_tree_add_item(main_tree, hf_data_fragment, tvb, offset, -1, ENC_NA);
col_append_str(pinfo->cinfo, COL_INFO, "Data Fragment");
offset = tvb_captured_length(tvb);
if (service_data && command_data && command_data->reassemble_data_length >= command_data->data_length && frame_number == command_data->completed_in_frame) {
tvbuff_t *next_tvb;
adb_service_data_t adb_service_data;
next_tvb = tvb_new_child_real_data(tvb, command_data->reassemble_data, command_data->reassemble_data_length, command_data->reassemble_data_length);
add_new_data_source(pinfo, next_tvb, "ADB Reassembled Data");
adb_service_data.service = service_data->service;
adb_service_data.direction = direction;
adb_service_data.session_key_length = 3;
adb_service_data.session_key = (guint32 *) wmem_alloc(wmem_packet_scope(), adb_service_data.session_key_length * sizeof(guint32));
adb_service_data.session_key[0] = interface_id;
if (proto == proto_usb) {
adb_service_data.session_key[1] = usb_conv_info->bus_id;
adb_service_data.session_key[2] = usb_conv_info->device_address;
} else { /* tcp */
if (direction == P2P_DIR_SENT) {
adb_service_data.session_key[1] = pinfo->srcport;
adb_service_data.session_key[2] = pinfo->destport;
} else {
adb_service_data.session_key[1] = pinfo->destport;
adb_service_data.session_key[2] = pinfo->srcport;
}
}
call_dissector_with_data(adb_service_handle, next_tvb, pinfo, tree, &adb_service_data);
}
} else { /* full message */
for (i_offset = 0; i_offset < data_length; ++i_offset)
crc += tvb_get_guint8(tvb, offset + i_offset);
if (crc32 > 0 && crc32 != crc)
proto_tree_add_expert(crc_tree, pinfo, &ei_invalid_crc, tvb, offset, -1);
if (is_service) {
proto_tree_add_item(main_tree, hf_service, tvb, offset, -1, ENC_ASCII | ENC_NA);
if (!pinfo->fd->flags.visited && service_data) {
service_data->service = tvb_get_stringz_enc(wmem_file_scope(), tvb, offset, NULL, ENC_ASCII);
}
col_append_fstr(pinfo->cinfo, COL_INFO, "Service: %s", tvb_get_stringz_enc(wmem_packet_scope(), tvb, offset, NULL, ENC_ASCII));
offset = tvb_captured_length(tvb);
} else if (command_data && command_data->command == A_CNXN) {
gchar *info;
gint len;
info = tvb_get_stringz_enc(wmem_packet_scope(), tvb, offset, &len, ENC_ASCII);
col_append_fstr(pinfo->cinfo, COL_INFO, "Connection Info: %s", info);
proto_tree_add_item(main_tree, hf_connection_info, tvb, offset, len, ENC_ASCII | ENC_NA);
offset += len;
} else {
col_append_str(pinfo->cinfo, COL_INFO, "Data");
/* Decode service payload */
if (service_data) {
tvbuff_t *next_tvb;
adb_service_data_t adb_service_data;
adb_service_data.service = service_data->service;
adb_service_data.direction = direction;
adb_service_data.session_key_length = 3;
adb_service_data.session_key = (guint32 *) wmem_alloc(wmem_packet_scope(), adb_service_data.session_key_length * sizeof(guint32));
adb_service_data.session_key[0] = interface_id;
if (proto == proto_usb) {
adb_service_data.session_key[1] = usb_conv_info->bus_id;
adb_service_data.session_key[2] = usb_conv_info->device_address;
} else { /* tcp */
if (direction == P2P_DIR_SENT) {
adb_service_data.session_key[1] = pinfo->srcport;
adb_service_data.session_key[2] = pinfo->destport;
} else {
adb_service_data.session_key[1] = pinfo->destport;
adb_service_data.session_key[2] = pinfo->srcport;
}
}
next_tvb = tvb_new_subset(tvb, offset, tvb_captured_length_remaining(tvb, offset), tvb_captured_length_remaining(tvb, offset));
call_dissector_with_data(adb_service_handle, next_tvb, pinfo, tree, &adb_service_data);
} else {
proto_item *data_item;
gchar *data_str;
data_item = proto_tree_add_item(main_tree, hf_data, tvb, offset, data_length, ENC_NA);
data_str = tvb_format_text(tvb, offset, data_length);
proto_item_append_text(data_item, ": %s", data_str);
col_append_fstr(pinfo->cinfo, COL_INFO, " Raw: %s", data_str);
}
offset = tvb_captured_length(tvb);
}
}
}
return offset;
}
static void
wmem_test_list(void)
{
wmem_allocator_t *allocator;
wmem_list_t *list;
wmem_list_frame_t *frame;
unsigned int i;
allocator = wmem_allocator_new(WMEM_ALLOCATOR_STRICT);
list = wmem_list_new(allocator);
g_assert(list);
g_assert(wmem_list_count(list) == 0);
frame = wmem_list_head(list);
g_assert(frame == NULL);
for (i=0; i<CONTAINER_ITERS; i++) {
wmem_list_prepend(list, GINT_TO_POINTER(i));
g_assert(wmem_list_count(list) == i+1);
frame = wmem_list_head(list);
g_assert(frame);
g_assert(wmem_list_frame_data(frame) == GINT_TO_POINTER(i));
}
wmem_strict_check_canaries(allocator);
i = CONTAINER_ITERS - 1;
frame = wmem_list_head(list);
while (frame) {
g_assert(wmem_list_frame_data(frame) == GINT_TO_POINTER(i));
i--;
frame = wmem_list_frame_next(frame);
}
i = 0;
frame = wmem_list_tail(list);
while (frame) {
g_assert(wmem_list_frame_data(frame) == GINT_TO_POINTER(i));
i++;
frame = wmem_list_frame_prev(frame);
}
i = CONTAINER_ITERS - 2;
while (wmem_list_count(list) > 1) {
wmem_list_remove(list, GINT_TO_POINTER(i));
i--;
}
wmem_list_remove(list, GINT_TO_POINTER(CONTAINER_ITERS - 1));
g_assert(wmem_list_count(list) == 0);
g_assert(wmem_list_head(list) == NULL);
g_assert(wmem_list_tail(list) == NULL);
for (i=0; i<CONTAINER_ITERS; i++) {
wmem_list_append(list, GINT_TO_POINTER(i));
g_assert(wmem_list_count(list) == i+1);
frame = wmem_list_head(list);
g_assert(frame);
}
wmem_strict_check_canaries(allocator);
i = 0;
frame = wmem_list_head(list);
while (frame) {
g_assert(wmem_list_frame_data(frame) == GINT_TO_POINTER(i));
i++;
frame = wmem_list_frame_next(frame);
}
i = CONTAINER_ITERS - 1;
frame = wmem_list_tail(list);
while (frame) {
g_assert(wmem_list_frame_data(frame) == GINT_TO_POINTER(i));
i--;
frame = wmem_list_frame_prev(frame);
}
wmem_destroy_allocator(allocator);
list = wmem_list_new(NULL);
for (i=0; i<CONTAINER_ITERS; i++) {
wmem_list_prepend(list, GINT_TO_POINTER(i));
}
g_assert(wmem_list_count(list) == CONTAINER_ITERS);
wmem_destroy_list(list);
}
static gint
dissect_bthcrp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
{
proto_item *main_item;
proto_tree *main_tree;
gint offset = 0;
gint protocol = -1;
gboolean is_client_message = FALSE;
gint previous_proto;
previous_proto = (GPOINTER_TO_INT(wmem_list_frame_data(wmem_list_frame_prev(wmem_list_tail(pinfo->layers)))));
if (previous_proto == proto_btl2cap) {
btl2cap_data_t *l2cap_data;
wmem_tree_key_t key[10];
guint32 interface_id;
guint32 adapter_id;
guint32 sdp_psm = SDP_PSM_DEFAULT;
guint32 direction;
guint32 bd_addr_oui;
guint32 bd_addr_id;
guint32 service_type;
guint32 service_channel;
guint32 frame_number;
service_info_t *service_info;
l2cap_data = (btl2cap_data_t *) data;
interface_id = l2cap_data->interface_id;
adapter_id = l2cap_data->adapter_id;
direction = (l2cap_data->is_local_psm) ? P2P_DIR_SENT : P2P_DIR_RECV;
if (direction == P2P_DIR_RECV) {
bd_addr_oui = l2cap_data->remote_bd_addr_oui;
bd_addr_id = l2cap_data->remote_bd_addr_id;
} else {
bd_addr_oui = 0;
bd_addr_id = 0;
}
service_type = BTSDP_L2CAP_PROTOCOL_UUID;
service_channel = l2cap_data->psm;
frame_number = pinfo->fd->num;
key[0].length = 1;
key[0].key = &interface_id;
key[1].length = 1;
key[1].key = &adapter_id;
key[2].length = 1;
key[2].key = &sdp_psm;
key[3].length = 1;
key[3].key = &direction;
key[4].length = 1;
key[4].key = &bd_addr_oui;
key[5].length = 1;
key[5].key = &bd_addr_id;
key[6].length = 1;
key[6].key = &service_type;
key[7].length = 1;
key[7].key = &service_channel;
key[8].length = 1;
key[8].key = &frame_number;
key[9].length = 0;
key[9].key = NULL;
service_info = btsdp_get_service_info(key);
if (service_info && service_info->interface_id == interface_id &&
service_info->adapter_id == adapter_id &&
service_info->sdp_psm == SDP_PSM_DEFAULT &&
((service_info->direction == P2P_DIR_RECV &&
service_info->bd_addr_oui == bd_addr_oui &&
service_info->bd_addr_id == bd_addr_id) ||
(service_info->direction != P2P_DIR_RECV &&
service_info->bd_addr_oui == 0 &&
service_info->bd_addr_id == 0)) &&
service_info->type == BTSDP_L2CAP_PROTOCOL_UUID &&
service_info->channel == l2cap_data->psm) {
if ((service_info->protocol == BTSDP_HARDCOPY_CONTROL_CHANNEL_PROTOCOL_UUID ||
service_info->protocol == BTSDP_HARDCOPY_DATA_CHANNEL_PROTOCOL_UUID) &&
((!l2cap_data->is_local_psm && pinfo->p2p_dir == P2P_DIR_SENT) ||
(l2cap_data->is_local_psm && pinfo->p2p_dir == P2P_DIR_RECV))) {
is_client_message = TRUE;
} else if (service_info->protocol == BTSDP_HARDCOPY_NOTIFICATION_PROTOCOL_UUID &&
((l2cap_data->is_local_psm && pinfo->p2p_dir == P2P_DIR_SENT) ||
(!l2cap_data->is_local_psm && pinfo->p2p_dir == P2P_DIR_RECV))) {
is_client_message = TRUE;
}
protocol = service_info->protocol;
}
if (psm_control != 0 && l2cap_data->psm == psm_control) {
protocol = BTSDP_HARDCOPY_CONTROL_CHANNEL_PROTOCOL_UUID;
} else if (psm_data_stream != 0 && l2cap_data->psm == psm_data_stream) {
protocol = BTSDP_HARDCOPY_DATA_CHANNEL_PROTOCOL_UUID;
} else if (psm_notification != 0 && l2cap_data->psm == psm_notification) {
protocol = BTSDP_HARDCOPY_NOTIFICATION_PROTOCOL_UUID;
}
}
main_item = proto_tree_add_item(tree, proto_bthcrp, tvb, offset, -1, ENC_NA);
main_tree = proto_item_add_subtree(main_item, ett_bthcrp);
col_set_str(pinfo->cinfo, COL_PROTOCOL, "HCRP");
switch (pinfo->p2p_dir) {
case P2P_DIR_SENT:
col_set_str(pinfo->cinfo, COL_INFO, "Sent ");
break;
case P2P_DIR_RECV:
col_set_str(pinfo->cinfo, COL_INFO, "Rcvd ");
break;
default:
col_set_str(pinfo->cinfo, COL_INFO, "UnknownDirection ");
break;
}
if (force_client != FORCE_CLIENT_DEFAULT) {
is_client_message = (force_client == FORCE_CLIENT_YES && pinfo->p2p_dir == P2P_DIR_SENT) ||
(force_client != FORCE_CLIENT_YES && pinfo->p2p_dir == P2P_DIR_RECV);
}
if (protocol == BTSDP_HARDCOPY_CONTROL_CHANNEL_PROTOCOL_UUID) {
offset = dissect_control(tvb, pinfo, main_tree, offset, is_client_message);
} else if (protocol == BTSDP_HARDCOPY_DATA_CHANNEL_PROTOCOL_UUID) {
offset = dissect_data(tvb, pinfo, main_tree, offset);
} else if (protocol == BTSDP_HARDCOPY_NOTIFICATION_PROTOCOL_UUID) {
offset = dissect_notification(tvb, pinfo, main_tree, offset, is_client_message);
} else {
col_append_fstr(pinfo->cinfo, COL_INFO, "HCRP stream");
}
if (tvb_reported_length_remaining(tvb, offset)) {
proto_item *pitem;
pitem = proto_tree_add_item(main_tree, hf_bthcrp_data, tvb, offset, tvb_reported_length_remaining(tvb, offset), ENC_NA);
expert_add_info(pinfo, pitem, &ei_bthcrp_unexpected_data);
}
return offset;
}
static int
dissect_json(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data)
{
proto_tree *json_tree = NULL;
proto_item *ti = NULL;
json_parser_data_t parser_data;
tvbparse_t *tt;
const char *data_name;
int offset;
/* JSON dissector can be called in a JSON native file or when transported
* by another protocol. We set the column values only if they've not been
* already set by someone else.
*/
wmem_list_frame_t *proto = wmem_list_frame_prev(wmem_list_tail(pinfo->layers));
if (proto) {
const char *name = proto_get_protocol_filter_name(GPOINTER_TO_INT(wmem_list_frame_data(proto)));
if (!strcmp(name, "frame")) {
col_set_str(pinfo->cinfo, COL_PROTOCOL, "JSON");
col_set_str(pinfo->cinfo, COL_INFO, "JavaScript Object Notation");
}
}
data_name = pinfo->match_string;
if (! (data_name && data_name[0])) {
/*
* No information from "match_string"
*/
data_name = (char *)data;
if (! (data_name && data_name[0])) {
/*
* No information from dissector data
*/
data_name = NULL;
}
}
if (tree) {
ti = proto_tree_add_item(tree, hfi_json, tvb, 0, -1, ENC_NA);
json_tree = proto_item_add_subtree(ti, ett_json);
if (data_name)
proto_item_append_text(ti, ": %s", data_name);
}
offset = 0;
parser_data.stack = wmem_stack_new(wmem_packet_scope());
wmem_stack_push(parser_data.stack, json_tree);
tt = tvbparse_init(tvb, offset, -1, &parser_data, want_ignore);
/* XXX, only one json in packet? */
while ((tvbparse_get(tt, want)))
;
offset = tvbparse_curr_offset(tt);
proto_item_set_len(ti, offset);
/* if we have some unparsed data, pass to data-text-lines dissector (?) */
if (tvb_reported_length_remaining(tvb, offset) > 0) {
tvbuff_t *next_tvb;
next_tvb = tvb_new_subset_remaining(tvb, offset);
call_dissector_with_data(text_lines_handle, next_tvb, pinfo, tree, data);
} else if (data_name) {
col_append_sep_fstr(pinfo->cinfo, COL_INFO, " ", "(%s)", data_name);
}
return tvb_captured_length(tvb);
}
static int
dissect_btsmp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
{
int offset = 0;
proto_item *ti;
proto_tree *st;
guint8 opcode;
guint32 interface_id;
guint32 adapter_id;
gint previous_proto;
interface_id = HCI_INTERFACE_DEFAULT;
adapter_id = HCI_ADAPTER_DEFAULT;
previous_proto = (GPOINTER_TO_INT(wmem_list_frame_data(wmem_list_frame_prev(wmem_list_tail(pinfo->layers)))));
if (data && previous_proto == proto_btl2cap) {
btl2cap_data_t *l2cap_data;
l2cap_data = (btl2cap_data_t *) data;
if (l2cap_data) {
interface_id = l2cap_data->interface_id;
adapter_id = l2cap_data->adapter_id;
}
}
ti = proto_tree_add_item(tree, proto_btsmp, tvb, 0, tvb_captured_length(tvb), ENC_NA);
st = proto_item_add_subtree(ti, ett_btsmp);
col_set_str(pinfo->cinfo, COL_PROTOCOL, "SMP");
switch (pinfo->p2p_dir) {
case P2P_DIR_SENT:
col_set_str(pinfo->cinfo, COL_INFO, "Sent ");
break;
case P2P_DIR_RECV:
col_set_str(pinfo->cinfo, COL_INFO, "Rcvd ");
break;
default:
col_set_str(pinfo->cinfo, COL_INFO, "UnknownDirection ");
break;
}
if (tvb_reported_length(tvb) < 1)
return FALSE;
proto_tree_add_item(st, hf_btsmp_opcode, tvb, 0, 1, ENC_LITTLE_ENDIAN);
opcode = tvb_get_guint8(tvb, 0);
offset++;
col_append_str(pinfo->cinfo, COL_INFO, val_to_str_const(opcode, opcode_vals, "<unknown>"));
switch (opcode) {
case 0x01: /* Pairing Request */
case 0x02: /* Pairing Response */
{
col_append_str(pinfo->cinfo, COL_INFO, ": ");
proto_tree_add_item(st, hf_btsmp_io_capabilities, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset++;
proto_tree_add_item(st, hf_btsmp_oob_data_flags, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset++;
offset = dissect_btsmp_auth_req(tvb, offset, pinfo, st);
proto_tree_add_item(st, hf_btsmp_max_enc_key_size, tvb, offset, 1, ENC_LITTLE_ENDIAN);
offset++;
offset = dissect_btsmp_key_dist(tvb, offset, pinfo, st, TRUE);
offset = dissect_btsmp_key_dist(tvb, offset, pinfo, st, FALSE);
break;
}
case 0x03: /* Pairing Confirm */
proto_tree_add_item(st, hf_btsmp_cfm_value, tvb, offset, 16, ENC_NA);
offset += 16;
break;
case 0x04: /* Pairing Random */
proto_tree_add_item(st, hf_btsmp_random, tvb, offset, 16, ENC_NA);
offset += 16;
break;
case 0x05: /* Pairing Failed */
proto_tree_add_item(st, hf_btsmp_reason, tvb, offset, 1, ENC_LITTLE_ENDIAN);
col_append_fstr(pinfo->cinfo, COL_INFO, ": %s", val_to_str_const(tvb_get_guint8(tvb, offset), reason_vals, "<unknown>"));
offset++;
break;
case 0x06: /* Encryption Information */
proto_tree_add_item(st, hf_btsmp_long_term_key, tvb, offset, 16, ENC_NA);
offset += 16;
break;
case 0x07: /* Master Identification */
proto_tree_add_item(st, hf_btsmp_ediv, tvb, offset, 2, ENC_LITTLE_ENDIAN);
offset += 2;
proto_tree_add_item(st, hf_btsmp_random, tvb, offset, 8, ENC_NA);
offset += 8;
break;
case 0x08: /* Identity Information */
proto_tree_add_item(st, hf_btsmp_id_resolving_key, tvb, offset, 16, ENC_NA);
offset += 16;
break;
case 0x09: /* Identity Address Information */
proto_tree_add_item(st, hf_address_type, tvb, offset, 1, ENC_NA);
offset += 1;
offset = dissect_bd_addr(hf_bd_addr, pinfo, st, tvb, offset, FALSE, interface_id, adapter_id, NULL);
break;
case 0x0a: /* Signing Information */
proto_tree_add_item(st, hf_btsmp_signature_key, tvb, offset, 16, ENC_NA);
offset += 16;
break;
case 0x0b: /* Security Request */
col_append_str(pinfo->cinfo, COL_INFO, ": ");
offset = dissect_btsmp_auth_req(tvb, offset, pinfo, st);
break;
default:
break;
}
return offset;
}
