Return-Path: From: Vinicius Costa Gomes To: linux-bluetooth@vger.kernel.org Cc: Vinicius Costa Gomes Subject: [PATCH BlueZ] Add support for parsing the remote name during LE Scan Date: Thu, 13 Oct 2011 18:39:07 -0300 Message-Id: <1318541947-13947-1-git-send-email-vinicius.gomes@openbossa.org> In-Reply-To: <1318524096-2412-1-git-send-email-vinicius.gomes@openbossa.org> References: <1318524096-2412-1-git-send-email-vinicius.gomes@openbossa.org> Sender: linux-bluetooth-owner@vger.kernel.org List-ID: --- tools/hcitool.c | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++++- 1 files changed, 53 insertions(+), 1 deletions(-) diff --git a/tools/hcitool.c b/tools/hcitool.c index 6184a4c..3547794 100644 --- a/tools/hcitool.c +++ b/tools/hcitool.c @@ -54,6 +54,18 @@ #define FLAGS_LIMITED_MODE_BIT 0x01 #define FLAGS_GENERAL_MODE_BIT 0x02 +#define EIR_FLAGS 0x01 /* flags */ +#define EIR_UUID16_SOME 0x02 /* 16-bit UUID, more available */ +#define EIR_UUID16_ALL 0x03 /* 16-bit UUID, all listed */ +#define EIR_UUID32_SOME 0x04 /* 32-bit UUID, more available */ +#define EIR_UUID32_ALL 0x05 /* 32-bit UUID, all listed */ +#define EIR_UUID128_SOME 0x06 /* 128-bit UUID, more available */ +#define EIR_UUID128_ALL 0x07 /* 128-bit UUID, all listed */ +#define EIR_NAME_SHORT 0x08 /* shortened local name */ +#define EIR_NAME_COMPLETE 0x09 /* complete local name */ +#define EIR_TX_POWER 0x0A /* transmit power level */ +#define EIR_DEVICE_ID 0x10 /* device ID */ + #define for_each_opt(opt, long, short) while ((opt=getopt_long(argc, argv, short ? short:"+", long, NULL)) != -1) static volatile int signal_received = 0; @@ -2354,6 +2366,40 @@ static void sigint_handler(int sig) signal_received = sig; } +static void eir_parse_name(uint8_t *eir_data, char *name) +{ + int len; + + if (eir_data == NULL) + goto failed; + + len = 0; + while (len < HCI_MAX_EIR_LENGTH - 1) { + uint8_t field_len = eir_data[0]; + + /* Check for the end of EIR */ + if (field_len == 0) + break; + + switch (eir_data[1]) { + case EIR_NAME_SHORT: + case EIR_NAME_COMPLETE: + if (field_len > HCI_MAX_NAME_LENGTH) + goto failed; + + memcpy(name, &eir_data[2], field_len - 1); + return; + } + + len += field_len + 1; + eir_data += field_len + 1; + } + +failed: + sprintf(name, "(unknown)"); + return; +} + static int print_advertising_devices(int dd, uint8_t filter_type) { unsigned char buf[HCI_MAX_EVENT_SIZE], *ptr; @@ -2409,8 +2455,14 @@ static int print_advertising_devices(int dd, uint8_t filter_type) /* Ignoring multiple reports */ info = (le_advertising_info *) (meta->data + 1); if (check_report_filter(filter_type, info)) { + char name[HCI_MAX_NAME_LENGTH + 1]; + + memset(name, 0, sizeof(name)); + ba2str(&info->bdaddr, addr); - printf("%s\n", addr); + eir_parse_name(info->data, name); + + printf("%s %s\n", addr, name); } } -- 1.7.7