# --- SDE-COPYRIGHT-NOTE-BEGIN --- # This copyright note is auto-generated by ./scripts/Create-CopyPatch. # # Filename: package/.../bluez-hcidump/0004-Fix-HCI-LE-advertising-report-dump.patch # Copyright (C) 2011 The OpenSDE Project # # More information can be found in the files COPYING and README. # # This patch file is dual-licensed. It is available under the license the # patched project is licensed under, as long as it is an OpenSource license # as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms # of the GNU General Public License as published by the Free Software # Foundation; either version 2 of the License, or (at your option) any later # version. # --- SDE-COPYRIGHT-NOTE-END --- From 70fb86e548eef4d54bb659c76a47c0891ba5f99a Mon Sep 17 00:00:00 2001 From: Andre Dieb Martins Date: Mon, 28 Feb 2011 00:58:22 -0300 Subject: [PATCH 4/6] Fix HCI LE advertising report dump LE advertising report event has only one data block for each report. Thus, we can't reuse ext_inquiry_response_dump(), which loops over successive data blocks until reaches a zero-length one. This commit introduces ext_inquiry_data_dump(), which dumps a frame containing data formatted according to [Vol 3] Part C, Section 8. This function is reused by ext_inquiry_response_dump(). Also adds RSSI parsing to each advertising report. --- parser/hci.c | 146 +++++++++++++++++++++++++++++++++------------------------ 1 files changed, 84 insertions(+), 62 deletions(-) diff --git a/parser/hci.c b/parser/hci.c index fbbebde..4d9a315 100644 --- a/parser/hci.c +++ b/parser/hci.c @@ -757,67 +757,83 @@ static char *filterpolicy2str(uint8_t policy) } } -static inline void ext_inquiry_response_dump(int level, struct frame *frm) +static inline void ext_inquiry_data_dump(int level, struct frame *frm, + uint8_t *data) { - void *ptr = frm->ptr; - uint32_t len = frm->len; - uint8_t type, length; + uint8_t len = data[0]; + uint8_t type; char *str; int i; - length = get_u8(frm); + if (len == 0) + return; - while (length > 0) { - type = get_u8(frm); - length--; + type = data[1]; + data += 2; + len -= 1; - switch (type) { - case 0x01: - p_indent(level, frm); - printf("Flags:"); - for (i = 0; i < length; i++) - printf(" 0x%2.2x", *((uint8_t *) (frm->ptr + i))); - printf("\n"); - break; + switch (type) { + case 0x01: + p_indent(level, frm); + printf("Flags:"); + for (i = 0; i < len; i++) + printf(" 0x%2.2x", data[i]); + printf("\n"); + break; - case 0x02: - case 0x03: - p_indent(level, frm); - printf("%s service classes:", - type == 0x02 ? "Shortened" : "Complete"); - for (i = 0; i < length / 2; i++) { - uint16_t val = btohs(bt_get_unaligned((uint16_t *) (frm->ptr + (i * 2)))); - printf(" 0x%4.4x", val); - } - printf("\n"); - break; + case 0x02: + case 0x03: + p_indent(level, frm); + printf("%s service classes:", + type == 0x02 ? "Shortened" : "Complete"); - case 0x08: - case 0x09: - str = malloc(length + 1); - if (str) { - snprintf(str, length + 1, "%s", (char *) frm->ptr); - for (i = 0; i < length; i++) - if (!isprint(str[i])) - str[i] = '.'; - p_indent(level, frm); - printf("%s local name: \'%s\'\n", - type == 0x08 ? "Shortened" : "Complete", str); - free(str); - } - break; + for (i = 0; i < len / 2; i++) { + uint16_t val; - case 0x0a: - p_indent(level, frm); - printf("TX power level: %d\n", *((uint8_t *) frm->ptr)); - break; + val = btohs(bt_get_unaligned(((uint16_t *) (data + i * 2)))); + printf(" 0x%4.4x", val); + } + printf("\n"); + break; - default: + case 0x08: + case 0x09: + str = malloc(len + 1); + if (str) { + snprintf(str, len + 1, "%s", (char *) data); + for (i = 0; i < len; i++) + if (!isprint(str[i])) + str[i] = '.'; p_indent(level, frm); - printf("Unknown type 0x%02x with %d bytes data\n", - type, length); - break; + printf("%s local name: \'%s\'\n", + type == 0x08 ? "Shortened" : "Complete", str); + free(str); } + break; + + case 0x0a: + p_indent(level, frm); + printf("TX power level: %d\n", *((uint8_t *) data)); + break; + + default: + p_indent(level, frm); + printf("Unknown type 0x%02x with %d bytes data\n", + type, len); + break; + } +} + +static inline void ext_inquiry_response_dump(int level, struct frame *frm) +{ + void *ptr = frm->ptr; + uint32_t len = frm->len; + uint8_t length; + + length = get_u8(frm); + + while (length > 0) { + ext_inquiry_data_dump(level, frm, frm->ptr); frm->ptr += length; frm->len -= length; @@ -825,8 +841,10 @@ static inline void ext_inquiry_response_dump(int level, struct frame *frm) length = get_u8(frm); } - frm->ptr = ptr + (EXTENDED_INQUIRY_INFO_SIZE - INQUIRY_INFO_WITH_RSSI_SIZE); - frm->len = len + (EXTENDED_INQUIRY_INFO_SIZE - INQUIRY_INFO_WITH_RSSI_SIZE); + frm->ptr = ptr + + (EXTENDED_INQUIRY_INFO_SIZE - INQUIRY_INFO_WITH_RSSI_SIZE); + frm->len = len + + (EXTENDED_INQUIRY_INFO_SIZE - INQUIRY_INFO_WITH_RSSI_SIZE); } static inline void bdaddr_command_dump(int level, struct frame *frm) @@ -3504,14 +3522,12 @@ static inline void evt_le_conn_complete_dump(int level, struct frame *frm) static inline void evt_le_advertising_report_dump(int level, struct frame *frm) { - uint8_t num = get_u8(frm); - char addr[18]; - int i; + uint8_t num_reports = get_u8(frm); + const uint8_t RSSI_SIZE = 1; - for (i = 0; i < num; i++) { + while (num_reports--) { + char addr[18]; le_advertising_info *info = frm->ptr; - void *ptr = frm->ptr; - uint32_t len = frm->len; p_ba2str(&info->bdaddr, addr); @@ -3522,13 +3538,19 @@ static inline void evt_le_advertising_report_dump(int level, struct frame *frm) printf("bdaddr %s (%s)\n", addr, bdaddrtype2str(info->bdaddr_type)); - frm->ptr += LE_ADVERTISING_INFO_SIZE; - frm->len -= LE_ADVERTISING_INFO_SIZE; + if (info->length > 0) { + ext_inquiry_data_dump(level, frm, + ((uint8_t *) &info->length) + 1); + } - ext_inquiry_response_dump(level, frm); + frm->ptr += LE_ADVERTISING_INFO_SIZE + info->length; + frm->len -= LE_ADVERTISING_INFO_SIZE + info->length; + + p_indent(level, frm); + printf("RSSI: %d\n", ((int8_t *) frm->ptr)[frm->len - 1]); - frm->ptr = ptr + 1; - frm->len = len - 1; + frm->ptr += RSSI_SIZE; + frm->len -= RSSI_SIZE; } } -- 1.7.2.3