#include <sys/cdefs.h>
__COPYRIGHT("@(#) Copyright (c) 2006 Itronix, Inc. All rights reserved.");
__RCSID("$NetBSD: btconfig.c,v 1.28 2017/12/21 09:31:22 plunky Exp $");
#include <sys/ioctl.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <bluetooth.h>
#include <err.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <util.h>
__dead static void badarg(const char *);
__dead static void badparam(const char *);
__dead static void badval(const char *, const char *);
__dead static void usage(void);
static int set_unit(unsigned long);
static void config_unit(void);
static void print_val(const char *, const char **, int);
static void print_info(int);
static void print_stats(void);
static void print_class(const char *, uint8_t *);
static void print_class0(void);
static void print_voice(int);
static void tag(const char *);
static void print_features0(uint8_t *);
static void print_features1(uint8_t *);
static void print_features2(uint8_t *);
static void print_result(int, struct bt_devinquiry *);
static void do_inquiry(void);
static void hci_req(uint16_t, uint8_t , void *, size_t, void *, size_t);
static void save_value(uint16_t, void *, size_t);
static void load_value(uint16_t, void *, size_t);
#define MAX_STR_SIZE 0xff
static int width = 0;
#define MAX_WIDTH 70
static int hci;
static struct btreq btr;
static int verbose = 0;
static int lflag = 0;
static int sflag = 0;
static int opt_enable = 0;
static int opt_reset = 0;
#define FLAGS_FMT "\20" \
"\001UP" \
"\002RUNNING" \
"\003XMIT_CMD" \
"\004XMIT_ACL" \
"\005XMIT_SCO" \
"\006INIT_BDADDR" \
"\007INIT_BUFFER_SIZE" \
"\010INIT_FEATURES" \
"\011POWER_UP_NOOP" \
"\012INIT_COMMANDS" \
"\013MASTER" \
""
static int opt_auth = 0;
static int opt_encrypt = 0;
static int opt_pscan = 0;
static int opt_iscan = 0;
static int opt_master = 0;
static int opt_switch = 0;
static int opt_hold = 0;
static int opt_sniff = 0;
static int opt_park = 0;
static int opt_class = 0;
static uint32_t class;
static int opt_ptype = 0;
static uint32_t ptype;
static int opt_name = 0;
static char name[MAX_STR_SIZE];
static int opt_pin = 0;
static int opt_rssi = 0;
static int opt_imode = 0;
static int opt_inquiry = 0;
#define INQUIRY_LENGTH 10
#define INQUIRY_MAX_RESPONSES 10
static const char *imodes[] = { "std", "rssi", "ext", NULL };
static int opt_voice = 0;
static uint32_t voice;
static int opt_pto = 0;
static uint32_t pto;
static int opt_scomtu;
static uint32_t scomtu;
static struct parameter {
const char *name;
enum { P_SET, P_CLR, P_STR, P_HEX, P_NUM, P_VAL } type;
int *opt;
void *val;
} parameters[] = {
{ "up", P_SET, &opt_enable, NULL },
{ "enable", P_SET, &opt_enable, NULL },
{ "down", P_CLR, &opt_enable, NULL },
{ "disable", P_CLR, &opt_enable, NULL },
{ "name", P_STR, &opt_name, name },
{ "pscan", P_SET, &opt_pscan, NULL },
{ "-pscan", P_CLR, &opt_pscan, NULL },
{ "iscan", P_SET, &opt_iscan, NULL },
{ "-iscan", P_CLR, &opt_iscan, NULL },
{ "master", P_SET, &opt_master, NULL },
{ "-master", P_CLR, &opt_master, NULL },
{ "switch", P_SET, &opt_switch, NULL },
{ "-switch", P_CLR, &opt_switch, NULL },
{ "hold", P_SET, &opt_hold, NULL },
{ "-hold", P_CLR, &opt_hold, NULL },
{ "sniff", P_SET, &opt_sniff, NULL },
{ "-sniff", P_CLR, &opt_sniff, NULL },
{ "park", P_SET, &opt_park, NULL },
{ "-park", P_CLR, &opt_park, NULL },
{ "auth", P_SET, &opt_auth, NULL },
{ "-auth", P_CLR, &opt_auth, NULL },
{ "encrypt", P_SET, &opt_encrypt, NULL },
{ "-encrypt", P_CLR, &opt_encrypt, NULL },
{ "ptype", P_HEX, &opt_ptype, &ptype },
{ "class", P_HEX, &opt_class, &class },
{ "fixed", P_SET, &opt_pin, NULL },
{ "variable", P_CLR, &opt_pin, NULL },
{ "inq", P_SET, &opt_inquiry, NULL },
{ "inquiry", P_SET, &opt_inquiry, NULL },
{ "imode", P_VAL, &opt_imode, imodes },
{ "rssi", P_SET, &opt_rssi, NULL },
{ "-rssi", P_CLR, &opt_rssi, NULL },
{ "reset", P_SET, &opt_reset, NULL },
{ "voice", P_HEX, &opt_voice, &voice },
{ "pto", P_NUM, &opt_pto, &pto },
{ "scomtu", P_NUM, &opt_scomtu, &scomtu },
{ NULL, 0, NULL, NULL }
};
int
main(int ac, char *av[])
{
int ch;
struct parameter *p;
while ((ch = getopt(ac, av, "hlsvz")) != -1) {
switch(ch) {
case 'l':
lflag = 1;
break;
case 's':
sflag = 1;
break;
case 'v':
verbose++;
break;
case 'z':
sflag = 2;
break;
case 'h':
default:
usage();
}
}
av += optind;
ac -= optind;
if (lflag && sflag)
usage();
hci = socket(PF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI);
if (hci == -1)
err(EXIT_FAILURE, "socket");
if (ac == 0) {
verbose++;
memset(&btr, 0, sizeof(btr));
while (set_unit(SIOCNBTINFO) != -1) {
print_info(verbose);
print_stats();
}
tag(NULL);
} else {
strlcpy(btr.btr_name, *av, HCI_DEVNAME_SIZE);
av++, ac--;
if (set_unit(SIOCGBTINFO) < 0)
err(EXIT_FAILURE, "%s", btr.btr_name);
if (ac == 0)
verbose += 2;
while (ac > 0) {
for (p = parameters ; ; p++) {
if (p->name == NULL)
badparam(*av);
if (strcmp(*av, p->name) == 0)
break;
}
switch(p->type) {
case P_SET:
*(p->opt) = 1;
break;
case P_CLR:
*(p->opt) = -1;
break;
case P_STR:
if (--ac < 1) badarg(p->name);
strlcpy((char *)(p->val), *++av, MAX_STR_SIZE);
*(p->opt) = 1;
break;
case P_HEX:
if (--ac < 1) badarg(p->name);
*(uint32_t *)(p->val) = strtoul(*++av, NULL, 16);
*(p->opt) = 1;
break;
case P_NUM:
if (--ac < 1) badarg(p->name);
*(uint32_t *)(p->val) = strtoul(*++av, NULL, 10);
*(p->opt) = 1;
break;
case P_VAL:
if (--ac < 1) badarg(p->name);
++av;
ch = 0;
do {
if (((char **)(p->val))[ch] == NULL)
badval(p->name, *av);
} while (strcmp(((char **)(p->val))[ch++], *av));
*(p->opt) = ch;
break;
}
av++, ac--;
}
config_unit();
print_info(verbose);
print_stats();
do_inquiry();
}
close(hci);
return EXIT_SUCCESS;
}
static void
badparam(const char *param)
{
fprintf(stderr, "unknown parameter '%s'\n", param);
exit(EXIT_FAILURE);
}
static void
badarg(const char *param)
{
fprintf(stderr, "parameter '%s' needs argument\n", param);
exit(EXIT_FAILURE);
}
static void
badval(const char *param, const char *value)
{
fprintf(stderr, "bad value '%s' for parameter '%s'\n", value, param);
exit(EXIT_FAILURE);
}
static void
usage(void)
{
fprintf(stderr, "usage: %s [-svz] [device [parameters]]\n", getprogname());
fprintf(stderr, " %s -l\n", getprogname());
exit(EXIT_FAILURE);
}
static void
tag(const char *f)
{
if (f == NULL) {
if (width > 0)
printf("\n");
width = 0;
} else {
width += printf("%*s%s",
(width == 0 ? (lflag ? 0 : 8) : 1),
"", f);
if (width > MAX_WIDTH) {
printf("\n");
width = 0;
}
}
}
static void
hci_req(uint16_t opcode, uint8_t event, void *cbuf, size_t clen,
void *rbuf, size_t rlen)
{
struct bt_devreq req;
req.opcode = opcode;
req.event = event;
req.cparam = cbuf;
req.clen = clen;
req.rparam = rbuf;
req.rlen = rlen;
if (bt_devreq(hci, &req, 10) == -1)
err(EXIT_FAILURE, "cmd (%02x|%03x)",
HCI_OGF(opcode), HCI_OCF(opcode));
if (event == 0 && rlen > 0 && ((uint8_t *)rbuf)[0] != 0)
errx(EXIT_FAILURE, "cmd (%02x|%03x): status 0x%02x",
HCI_OGF(opcode), HCI_OCF(opcode), ((uint8_t *)rbuf)[0]);
}
static void
save_value(uint16_t opcode, void *cbuf, size_t clen)
{
uint8_t buf[1];
hci_req(opcode, 0, cbuf, clen, buf, sizeof(buf));
}
static void
load_value(uint16_t opcode, void *rbuf, size_t rlen)
{
uint8_t buf[UINT8_MAX];
hci_req(opcode, 0, NULL, 0, buf, sizeof(buf));
memcpy(rbuf, buf + 1, rlen);
}
static int
set_unit(unsigned long cmd)
{
if (ioctl(hci, cmd, &btr) == -1)
return -1;
if (btr.btr_flags & BTF_UP) {
struct sockaddr_bt sa;
sa.bt_len = sizeof(sa);
sa.bt_family = AF_BLUETOOTH;
bdaddr_copy(&sa.bt_bdaddr, &btr.btr_bdaddr);
if (bind(hci, (struct sockaddr *)&sa, sizeof(sa)) < 0)
err(EXIT_FAILURE, "bind");
if (connect(hci, (struct sockaddr *)&sa, sizeof(sa)) < 0)
err(EXIT_FAILURE, "connect");
}
return 0;
}
static void
config_unit(void)
{
if (opt_enable) {
if (opt_enable > 0)
btr.btr_flags |= BTF_UP;
else
btr.btr_flags &= ~BTF_UP;
if (ioctl(hci, SIOCSBTFLAGS, &btr) < 0)
err(EXIT_FAILURE, "SIOCSBTFLAGS");
if (set_unit(SIOCGBTINFO) < 0)
err(EXIT_FAILURE, "%s", btr.btr_name);
}
if (opt_reset) {
static const struct timespec ts = { 0, 100000000 };
btr.btr_flags |= BTF_INIT;
if (ioctl(hci, SIOCSBTFLAGS, &btr) < 0)
err(EXIT_FAILURE, "SIOCSBTFLAGS");
hci_req(HCI_CMD_RESET, 0, NULL, 0, NULL, 0);
do {
nanosleep(&ts, NULL);
if (ioctl(hci, SIOCGBTINFO, &btr) < 0)
err(EXIT_FAILURE, "%s", btr.btr_name);
} while ((btr.btr_flags & BTF_INIT) != 0);
}
if (opt_master) {
if (opt_master > 0)
btr.btr_flags |= BTF_MASTER;
else
btr.btr_flags &= ~BTF_MASTER;
if (ioctl(hci, SIOCSBTFLAGS, &btr) < 0)
err(EXIT_FAILURE, "SIOCSBTFLAGS");
}
if (opt_switch || opt_hold || opt_sniff || opt_park) {
uint16_t val = btr.btr_link_policy;
if (opt_switch > 0) val |= HCI_LINK_POLICY_ENABLE_ROLE_SWITCH;
if (opt_switch < 0) val &= ~HCI_LINK_POLICY_ENABLE_ROLE_SWITCH;
if (opt_hold > 0) val |= HCI_LINK_POLICY_ENABLE_HOLD_MODE;
if (opt_hold < 0) val &= ~HCI_LINK_POLICY_ENABLE_HOLD_MODE;
if (opt_sniff > 0) val |= HCI_LINK_POLICY_ENABLE_SNIFF_MODE;
if (opt_sniff < 0) val &= ~HCI_LINK_POLICY_ENABLE_SNIFF_MODE;
if (opt_park > 0) val |= HCI_LINK_POLICY_ENABLE_PARK_MODE;
if (opt_park < 0) val &= ~HCI_LINK_POLICY_ENABLE_PARK_MODE;
btr.btr_link_policy = val;
if (ioctl(hci, SIOCSBTPOLICY, &btr) < 0)
err(EXIT_FAILURE, "SIOCSBTPOLICY");
}
if (opt_ptype) {
btr.btr_packet_type = ptype;
if (ioctl(hci, SIOCSBTPTYPE, &btr) < 0)
err(EXIT_FAILURE, "SIOCSBTPTYPE");
}
if (opt_pscan || opt_iscan) {
uint8_t val;
load_value(HCI_CMD_READ_SCAN_ENABLE, &val, sizeof(val));
if (opt_pscan > 0) val |= HCI_PAGE_SCAN_ENABLE;
if (opt_pscan < 0) val &= ~HCI_PAGE_SCAN_ENABLE;
if (opt_iscan > 0) val |= HCI_INQUIRY_SCAN_ENABLE;
if (opt_iscan < 0) val &= ~HCI_INQUIRY_SCAN_ENABLE;
save_value(HCI_CMD_WRITE_SCAN_ENABLE, &val, sizeof(val));
}
if (opt_auth) {
uint8_t val = (opt_auth > 0 ? 1 : 0);
save_value(HCI_CMD_WRITE_AUTH_ENABLE, &val, sizeof(val));
}
if (opt_encrypt) {
uint8_t val = (opt_encrypt > 0 ? 1 : 0);
save_value(HCI_CMD_WRITE_ENCRYPTION_MODE, &val, sizeof(val));
}
if (opt_name)
save_value(HCI_CMD_WRITE_LOCAL_NAME, name, HCI_UNIT_NAME_SIZE);
if (opt_class) {
uint8_t val[HCI_CLASS_SIZE];
val[0] = (class >> 0) & 0xff;
val[1] = (class >> 8) & 0xff;
val[2] = (class >> 16) & 0xff;
save_value(HCI_CMD_WRITE_UNIT_CLASS, val, HCI_CLASS_SIZE);
}
if (opt_pin) {
uint8_t val;
if (opt_pin > 0) val = 1;
else val = 0;
save_value(HCI_CMD_WRITE_PIN_TYPE, &val, sizeof(val));
}
if (opt_voice) {
uint16_t val;
val = htole16(voice & 0x03ff);
save_value(HCI_CMD_WRITE_VOICE_SETTING, &val, sizeof(val));
}
if (opt_pto) {
uint16_t val;
val = htole16(pto * 8 / 5);
save_value(HCI_CMD_WRITE_PAGE_TIMEOUT, &val, sizeof(val));
}
if (opt_scomtu) {
if (scomtu > 0xff) {
warnx("Invalid SCO mtu %d", scomtu);
} else {
btr.btr_sco_mtu = scomtu;
if (ioctl(hci, SIOCSBTSCOMTU, &btr) < 0)
warn("SIOCSBTSCOMTU");
}
}
if (opt_imode | opt_rssi) {
uint8_t val = (opt_rssi > 0 ? 1 : 0);
if (opt_imode)
val = opt_imode - 1;
save_value(HCI_CMD_WRITE_INQUIRY_MODE, &val, sizeof(val));
}
}
static void
print_val(const char *hdr, const char **argv, int idx)
{
int i = 0;
while (i < idx && *argv != NULL)
i++, argv++;
printf("\t%s: %s\n", hdr, *argv == NULL ? "unknown" : *argv);
}
static void
print_info(int level)
{
uint8_t version, val, buf[MAX_STR_SIZE];
if (lflag) {
tag(btr.btr_name);
return;
}
if (level-- < 1)
return;
snprintb((char *)buf, MAX_STR_SIZE, FLAGS_FMT, btr.btr_flags);
printf("%s: bdaddr %s flags %s\n", btr.btr_name,
bt_ntoa(&btr.btr_bdaddr, NULL), buf);
if (level-- < 1)
return;
printf("\tnum_cmd = %d\n"
"\tnum_acl = %d (max %d), acl_mtu = %d\n"
"\tnum_sco = %d (max %d), sco_mtu = %d\n",
btr.btr_num_cmd,
btr.btr_num_acl, btr.btr_max_acl, btr.btr_acl_mtu,
btr.btr_num_sco, btr.btr_max_sco, btr.btr_sco_mtu);
if (level-- < 1 || (btr.btr_flags & BTF_UP) == 0)
return;
load_value(HCI_CMD_READ_LOCAL_VER, buf, 3);
printf("\tHCI version: ");
switch((version = buf[0])) {
case HCI_SPEC_V10: printf("1.0b"); break;
case HCI_SPEC_V11: printf("1.1"); break;
case HCI_SPEC_V12: printf("1.2"); break;
case HCI_SPEC_V20: printf("2.0 + EDR"); break;
case HCI_SPEC_V21: printf("2.1 + EDR"); break;
case HCI_SPEC_V30: printf("3.0 + HS"); break;
case HCI_SPEC_V40: printf("4.0"); break;
case HCI_SPEC_V41: printf("4.1"); break;
case HCI_SPEC_V42: printf("4.2"); break;
case HCI_SPEC_V50: printf("5.0"); break;
default: printf("[%d]", version);break;
}
printf(" rev 0x%04x\n", le16dec(&buf[1]));
load_value(HCI_CMD_READ_UNIT_CLASS, buf, HCI_CLASS_SIZE);
print_class("\tclass:", buf);
load_value(HCI_CMD_READ_LOCAL_NAME, buf, HCI_UNIT_NAME_SIZE);
printf("\tname: \"%s\"\n", buf);
load_value(HCI_CMD_READ_VOICE_SETTING, buf, sizeof(uint16_t));
voice = (buf[1] << 8) | buf[0];
print_voice(level);
load_value(HCI_CMD_READ_PIN_TYPE, &val, sizeof(val));
printf("\tpin: %s\n", val ? "fixed" : "variable");
val = 0;
if (version >= HCI_SPEC_V12)
load_value(HCI_CMD_READ_INQUIRY_MODE, &val, sizeof(val));
print_val("inquiry mode", imodes, val);
width = printf("\toptions:");
load_value(HCI_CMD_READ_SCAN_ENABLE, &val, sizeof(val));
if (val & HCI_INQUIRY_SCAN_ENABLE) tag("iscan");
else if (level > 0) tag("-iscan");
if (val & HCI_PAGE_SCAN_ENABLE) tag("pscan");
else if (level > 0) tag("-pscan");
load_value(HCI_CMD_READ_AUTH_ENABLE, &val, sizeof(val));
if (val) tag("auth");
else if (level > 0) tag("-auth");
load_value(HCI_CMD_READ_ENCRYPTION_MODE, &val, sizeof(val));
if (val) tag("encrypt");
else if (level > 0) tag("-encrypt");
val = btr.btr_link_policy;
if (val & HCI_LINK_POLICY_ENABLE_ROLE_SWITCH) tag("switch");
else if (level > 0) tag("-switch");
if (val & HCI_LINK_POLICY_ENABLE_HOLD_MODE) tag("hold");
else if (level > 0) tag("-hold");
if (val & HCI_LINK_POLICY_ENABLE_SNIFF_MODE) tag("sniff");
else if (level > 0) tag("-sniff");
if (val & HCI_LINK_POLICY_ENABLE_PARK_MODE) tag("park");
else if (level > 0) tag("-park");
tag(NULL);
if (level-- < 1)
return;
ptype = btr.btr_packet_type;
width = printf("\tptype: [0x%04x]", ptype);
if (ptype & HCI_PKT_DM1) tag("DM1");
if (ptype & HCI_PKT_DH1) tag("DH1");
if (ptype & HCI_PKT_DM3) tag("DM3");
if (ptype & HCI_PKT_DH3) tag("DH3");
if (ptype & HCI_PKT_DM5) tag("DM5");
if (ptype & HCI_PKT_DH5) tag("DH5");
if ((ptype & HCI_PKT_2MBPS_DH1) == 0) tag("2-DH1");
if ((ptype & HCI_PKT_3MBPS_DH1) == 0) tag("3-DH1");
if ((ptype & HCI_PKT_2MBPS_DH3) == 0) tag("2-DH3");
if ((ptype & HCI_PKT_3MBPS_DH3) == 0) tag("3-DH3");
if ((ptype & HCI_PKT_2MBPS_DH5) == 0) tag("2-DH5");
if ((ptype & HCI_PKT_3MBPS_DH5) == 0) tag("3-DH5");
tag(NULL);
load_value(HCI_CMD_READ_PAGE_TIMEOUT, buf, sizeof(uint16_t));
printf("\tpage timeout: %d ms\n", le16dec(buf) * 5 / 8);
if (level-- < 1)
return;
if (ioctl(hci, SIOCGBTFEAT, &btr) < 0)
err(EXIT_FAILURE, "SIOCGBTFEAT");
width = printf("\tfeatures:");
print_features0(btr.btr_features0);
print_features1(btr.btr_features1);
print_features2(btr.btr_features2);
tag(NULL);
}
static void
print_stats(void)
{
if (sflag == 0)
return;
if (sflag == 1) {
if (ioctl(hci, SIOCGBTSTATS, &btr) < 0)
err(EXIT_FAILURE, "SIOCGBTSTATS");
} else {
if (ioctl(hci, SIOCZBTSTATS, &btr) < 0)
err(EXIT_FAILURE, "SIOCZBTSTATS");
}
printf( "\tTotal bytes sent %d, received %d\n"
"\tCommands sent %d, Events received %d\n"
"\tACL data packets sent %d, received %d\n"
"\tSCO data packets sent %d, received %d\n"
"\tInput errors %d, Output errors %d\n",
btr.btr_stats.byte_tx, btr.btr_stats.byte_rx,
btr.btr_stats.cmd_tx, btr.btr_stats.evt_rx,
btr.btr_stats.acl_tx, btr.btr_stats.acl_rx,
btr.btr_stats.sco_tx, btr.btr_stats.sco_rx,
btr.btr_stats.err_rx, btr.btr_stats.err_tx);
}
static void
print_features0(uint8_t *f)
{
if (*f & HCI_LMP_3SLOT) tag("<3 slot>");
if (*f & HCI_LMP_5SLOT) tag("<5 slot>");
if (*f & HCI_LMP_ENCRYPTION) tag("<encryption>");
if (*f & HCI_LMP_SLOT_OFFSET) tag("<slot offset>");
if (*f & HCI_LMP_TIMIACCURACY) tag("<timing accuracy>");
if (*f & HCI_LMP_ROLE_SWITCH) tag("<role switch>");
if (*f & HCI_LMP_HOLD_MODE) tag("<hold mode>");
if (*f & HCI_LMP_SNIFF_MODE) tag("<sniff mode>");
f++;
if (*f & HCI_LMP_PARK_MODE) tag("<park mode>");
if (*f & HCI_LMP_RSSI) tag("<RSSI>");
if (*f & HCI_LMP_CHANNEL_QUALITY) tag("<channel quality>");
if (*f & HCI_LMP_SCO_LINK) tag("<SCO link>");
if (*f & HCI_LMP_HV2_PKT) tag("<HV2>");
if (*f & HCI_LMP_HV3_PKT) tag("<HV3>");
if (*f & HCI_LMP_ULAW_LOG) tag("<u-Law log>");
if (*f & HCI_LMP_ALAW_LOG) tag("<A-Law log>");
f++;
if (*f & HCI_LMP_CVSD) tag("<CVSD data>");
if (*f & HCI_LMP_PAGISCHEME) tag("<paging parameter>");
if (*f & HCI_LMP_POWER_CONTROL) tag("<power control>");
if (*f & HCI_LMP_TRANSPARENT_SCO) tag("<transparent SCO>");
if (*f & HCI_LMP_FLOW_CONTROL_LAG0) tag("<flow control lag lsb>");
if (*f & HCI_LMP_FLOW_CONTROL_LAG1) tag("<flow control lag mb>");
if (*f & HCI_LMP_FLOW_CONTROL_LAG2) tag("<flow control lag msb>");
if (*f & HCI_LMP_BC_ENCRYPTION) tag("<broadcast encryption>");
f++;
if (*f & HCI_LMP_EDR_ACL_2MBPS) tag("<EDR ACL 2Mbps>");
if (*f & HCI_LMP_EDR_ACL_3MBPS) tag("<EDR ACL 3Mbps>");
if (*f & HCI_LMP_ENHANCED_ISCAN) tag("<enhanced inquiry scan>");
if (*f & HCI_LMP_INTERLACED_ISCAN) tag("<interlaced inquiry scan>");
if (*f & HCI_LMP_INTERLACED_PSCAN) tag("<interlaced page scan>");
if (*f & HCI_LMP_RSSI_INQUIRY) tag("<RSSI with inquiry result>");
if (*f & HCI_LMP_EV3_PKT) tag("<EV3 packets>");
f++;
if (*f & HCI_LMP_EV4_PKT) tag("<EV4 packets>");
if (*f & HCI_LMP_EV5_PKT) tag("<EV5 packets>");
if (*f & HCI_LMP_AFH_CAPABLE_SLAVE) tag("<AFH capable slave>");
if (*f & HCI_LMP_AFH_CLASS_SLAVE) tag("<AFH class slave>");
if (*f & HCI_LMP_BR_EDR_UNSUPPORTED)tag("<BR/EDR not supported>");
if (*f & HCI_LMP_LE_CONTROLLER) tag("<LE (controller)>");
if (*f & HCI_LMP_3SLOT_EDR_ACL) tag("<3 slot EDR ACL>");
f++;
if (*f & HCI_LMP_5SLOT_EDR_ACL) tag("<5 slot EDR ACL>");
if (*f & HCI_LMP_SNIFF_SUBRATING) tag("<sniff subrating>");
if (*f & HCI_LMP_PAUSE_ENCRYPTION) tag("<pause encryption>");
if (*f & HCI_LMP_AFH_CAPABLE_MASTER)tag("<AFH capable master>");
if (*f & HCI_LMP_AFH_CLASS_MASTER) tag("<AFH class master>");
if (*f & HCI_LMP_EDR_eSCO_2MBPS) tag("<EDR eSCO 2Mbps>");
if (*f & HCI_LMP_EDR_eSCO_3MBPS) tag("<EDR eSCO 3Mbps>");
if (*f & HCI_LMP_3SLOT_EDR_eSCO) tag("<3 slot EDR eSCO>");
f++;
if (*f & HCI_LMP_EXTENDED_INQUIRY) tag("<extended inquiry>");
if (*f & HCI_LMP_LE_BR_EDR_CONTROLLER)tag("<simultaneous LE & BR/EDR (controller)>");
if (*f & HCI_LMP_SIMPLE_PAIRING) tag("<secure simple pairing>");
if (*f & HCI_LMP_ENCAPSULATED_PDU) tag("<encapsulated PDU>");
if (*f & HCI_LMP_ERRDATA_REPORTING) tag("<errdata reporting>");
if (*f & HCI_LMP_NOFLUSH_PB_FLAG) tag("<no flush PB flag>");
f++;
if (*f & HCI_LMP_LINK_SUPERVISION_TO)tag("<link supervision timeout changed>");
if (*f & HCI_LMP_INQ_RSP_TX_POWER) tag("<inquiry rsp TX power level>");
if (*f & HCI_LMP_ENHANCED_POWER_CONTROL)tag("<enhanced power control>");
if (*f & HCI_LMP_EXTENDED_FEATURES) tag("<extended features>");
}
static void
print_features1(uint8_t *f)
{
if (*f & HCI_LMP_SSP) tag("<secure simple pairing (host)>");
if (*f & HCI_LMP_LE_HOST) tag("<LE (host)>");
if (*f & HCI_LMP_LE_BR_EDR_HOST) tag("<simultaneous LE & BR/EDR (host)>");
if (*f & HCI_LMP_SECURE_CONN_HOST) tag("<secure connections (host)>");
}
static void
print_features2(uint8_t *f)
{
if (*f & HCI_LMP_CONNLESS_MASTER) tag("<connectionless master>");
if (*f & HCI_LMP_CONNLESS_SLAVE) tag("<connectionless slave>");
if (*f & HCI_LMP_SYNC_TRAIN) tag("<synchronization train>");
if (*f & HCI_LMP_SYNC_SCAN) tag("<synchronization scan>");
if (*f & HCI_LMP_INQ_RSP_NOTIFY) tag("<inquiry response notification>");
if (*f & HCI_LMP_INTERLACE_SCAN) tag("<generalized interlace scan>");
if (*f & HCI_LMP_COARSE_CLOCK) tag("<coarse clock adjustment>");
if (*f & HCI_LMP_SECURE_CONN_CONTROLLER)tag("<secure connections (controller)>");
if (*f & HCI_LMP_PING) tag("<ping>");
if (*f & HCI_LMP_TRAIN_NUDGING) tag("<train nudging>");
}
static void
print_class(const char *str, uint8_t *uclass)
{
class = (uclass[2] << 16) | (uclass[1] << 8) | uclass[0];
width = printf("%s [0x%06x]", str, class);
switch(__SHIFTOUT(class, __BITS(0, 1))) {
case 0: print_class0(); break;
default: break;
}
tag(NULL);
}
static void
print_class0(void)
{
switch (__SHIFTOUT(class, __BITS(8, 12))) {
case 1:
switch (__SHIFTOUT(class, __BITS(2, 7))) {
case 1: tag("Desktop workstation"); break;
case 2: tag("Server-class computer"); break;
case 3: tag("Laptop"); break;
case 4: tag("Handheld PC/PDA"); break;
case 5: tag("Palm Sized PC/PDA"); break;
case 6: tag("Wearable computer"); break;
default: tag("Computer"); break;
}
break;
case 2:
switch (__SHIFTOUT(class, __BITS(2, 7))) {
case 1: tag("Cellular Phone"); break;
case 2: tag("Cordless Phone"); break;
case 3: tag("Smart Phone"); break;
case 4: tag("Wired Modem/Phone Gateway"); break;
case 5: tag("Common ISDN"); break;
default:tag("Phone"); break;
}
break;
case 3:
tag("LAN");
switch (__SHIFTOUT(class, __BITS(5, 7))) {
case 0: tag("[Fully available]"); break;
case 1: tag("[1-17% utilised]"); break;
case 2: tag("[17-33% utilised]"); break;
case 3: tag("[33-50% utilised]"); break;
case 4: tag("[50-67% utilised]"); break;
case 5: tag("[67-83% utilised]"); break;
case 6: tag("[83-99% utilised]"); break;
case 7: tag("[No service available]"); break;
}
break;
case 4:
switch (__SHIFTOUT(class, __BITS(2, 7))) {
case 1: tag("Wearable Headset"); break;
case 2: tag("Hands-free Audio"); break;
case 4: tag("Microphone"); break;
case 5: tag("Loudspeaker"); break;
case 6: tag("Headphones"); break;
case 7: tag("Portable Audio"); break;
case 8: tag("Car Audio"); break;
case 9: tag("Set-top Box"); break;
case 10: tag("HiFi Audio"); break;
case 11: tag("VCR"); break;
case 12: tag("Video Camera"); break;
case 13: tag("Camcorder"); break;
case 14: tag("Video Monitor"); break;
case 15: tag("Video Display and Loudspeaker"); break;
case 16: tag("Video Conferencing"); break;
case 18: tag("A/V [Gaming/Toy]"); break;
default: tag("Audio/Visual"); break;
}
break;
case 5:
switch (__SHIFTOUT(class, __BITS(2, 5))) {
case 1: tag("Joystick"); break;
case 2: tag("Gamepad"); break;
case 3: tag("Remote Control"); break;
case 4: tag("Sensing Device"); break;
case 5: tag("Digitiser Tablet"); break;
case 6: tag("Card Reader"); break;
default: tag("Peripheral"); break;
}
if (class & __BIT(6)) tag("Keyboard");
if (class & __BIT(7)) tag("Mouse");
break;
case 6:
if (class & __BIT(4)) tag("Display");
if (class & __BIT(5)) tag("Camera");
if (class & __BIT(6)) tag("Scanner");
if (class & __BIT(7)) tag("Printer");
if ((class & __BITS(4, 7)) == 0) tag("Imaging");
break;
case 7:
switch (__SHIFTOUT(class, __BITS(2, 7))) {
case 1: tag("Wrist Watch"); break;
case 2: tag("Pager"); break;
case 3: tag("Jacket"); break;
case 4: tag("Helmet"); break;
case 5: tag("Glasses"); break;
default: tag("Wearable"); break;
}
break;
case 8:
switch (__SHIFTOUT(class, __BITS(2, 7))) {
case 1: tag("Robot"); break;
case 2: tag("Vehicle"); break;
case 3: tag("Doll / Action Figure"); break;
case 4: tag("Controller"); break;
case 5: tag("Game"); break;
default: tag("Toy"); break;
}
break;
case 9:
switch (__SHIFTOUT(class, __BITS(2, 7))) {
case 1: tag("Blood Pressure Monitor"); break;
case 2: tag("Thermometer"); break;
case 3: tag("Weighing Scale"); break;
case 4: tag("Glucose Meter"); break;
case 5: tag("Pulse Oximeter"); break;
case 6: tag("Heart/Pulse Rate Monitor"); break;
case 7: tag("Health Data Display"); break;
default: tag("Health"); break;
}
break;
default:
break;
}
if (class & __BIT(13)) tag("<Limited Discoverable>");
if (class & __BIT(16)) tag("<Positioning>");
if (class & __BIT(17)) tag("<Networking>");
if (class & __BIT(18)) tag("<Rendering>");
if (class & __BIT(19)) tag("<Capturing>");
if (class & __BIT(20)) tag("<Object Transfer>");
if (class & __BIT(21)) tag("<Audio>");
if (class & __BIT(22)) tag("<Telephony>");
if (class & __BIT(23)) tag("<Information>");
}
static void
print_voice(int level)
{
printf("\tvoice: [0x%4.4x]\n", voice);
if (level == 0)
return;
printf("\t\tInput Coding: ");
switch ((voice & 0x0300) >> 8) {
case 0x00: printf("Linear PCM [%d-bit, pos %d]",
(voice & 0x0020 ? 16 : 8),
(voice & 0x001c) >> 2); break;
case 0x01: printf("u-Law"); break;
case 0x02: printf("A-Law"); break;
case 0x03: printf("unknown"); break;
}
switch ((voice & 0x00c0) >> 6) {
case 0x00: printf(", 1's complement"); break;
case 0x01: printf(", 2's complement"); break;
case 0x02: printf(", sign magnitude"); break;
case 0x03: printf(", unsigned"); break;
}
printf("\n\t\tAir Coding: ");
switch (voice & 0x0003) {
case 0x00: printf("CVSD"); break;
case 0x01: printf("u-Law"); break;
case 0x02: printf("A-Law"); break;
case 0x03: printf("Transparent"); break;
}
printf("\n");
}
static void
print_result(int num, struct bt_devinquiry *r)
{
hci_remote_name_req_cp ncp;
hci_remote_name_req_compl_ep nep;
struct hostent *hp;
printf("%3d: bdaddr %s", num, bt_ntoa(&r->bdaddr, NULL));
hp = bt_gethostbyaddr((const char *)&r->bdaddr, sizeof(bdaddr_t), AF_BLUETOOTH);
if (hp != NULL)
printf(" (%s)", hp->h_name);
printf("\n");
memset(&ncp, 0, sizeof(ncp));
bdaddr_copy(&ncp.bdaddr, &r->bdaddr);
ncp.page_scan_rep_mode = r->pscan_rep_mode;
ncp.clock_offset = r->clock_offset;
hci_req(HCI_CMD_REMOTE_NAME_REQ,
HCI_EVENT_REMOTE_NAME_REQ_COMPL,
&ncp, sizeof(ncp),
&nep, sizeof(nep));
printf(" : name \"%s\"\n", nep.name);
print_class(" : class", r->dev_class);
printf(" : page scan rep mode 0x%02x\n", r->pscan_rep_mode);
printf(" : clock offset %d\n", le16toh(r->clock_offset));
printf(" : rssi %d\n", r->rssi);
printf("\n");
}
static void
do_inquiry(void)
{
struct bt_devinquiry *result;
int i, num;
if (opt_inquiry == 0)
return;
printf("Device Discovery from device: %s ...", btr.btr_name);
fflush(stdout);
num = bt_devinquiry(btr.btr_name, INQUIRY_LENGTH,
INQUIRY_MAX_RESPONSES, &result);
if (num == -1) {
printf("failed\n");
err(EXIT_FAILURE, "%s", btr.btr_name);
}
printf(" %d response%s\n", num, (num == 1 ? "" : "s"));
for (i = 0 ; i < num ; i++)
print_result(i + 1, &result[i]);
free(result);
}
