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NetBSD/usr.sbin/btconfig/btconfig.c

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/* $NetBSD: btconfig.c,v 1.4 2007/01/16 17:32:04 hubertf Exp $ */
/*-
* Copyright (c) 2006 Itronix Inc.
* All rights reserved.
*
* Written by Iain Hibbert for Itronix Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of Itronix Inc. may not be used to endorse
* or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__COPYRIGHT("@(#) Copyright (c) 2006 Itronix, Inc.\n"
"All rights reserved.\n");
__RCSID("$NetBSD: btconfig.c,v 1.4 2007/01/16 17:32:04 hubertf Exp $");
#include <sys/types.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <net/if.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <stdlib.h>
#include <util.h>
#include <unistd.h>
#include <errno.h>
#include <err.h>
#include <bluetooth.h>
int main(int, char *[]);
void badarg(const char *);
void badparam(const char *);
void usage(void);
int set_unit(unsigned long);
void config_unit(void);
void print_info(int);
void print_stats(void);
void print_class(const char *);
void print_voice(int);
void tag(const char *);
void print_features(const char *, uint8_t *);
void do_inquiry(void);
void print_result(int, hci_inquiry_response *);
void hci_req(uint16_t, uint8_t , void *, size_t, void *, size_t);
#define save_value(opcode, cbuf, clen) hci_req(opcode, 0, cbuf, clen, NULL, 0)
#define load_value(opcode, rbuf, rlen) hci_req(opcode, 0, NULL, 0, rbuf, rlen)
#define hci_cmd(opcode, cbuf, clen) hci_req(opcode, 0, cbuf, clen, NULL, 0)
#define MAX_STR_SIZE 0xff
/* print width */
int width = 0;
#define MAX_WIDTH 70
/* global variables */
int hci;
struct btreq btr;
/* command line flags */
int verbose = 0; /* more info */
int lflag = 0; /* list devices */
int sflag = 0; /* get/zero stats */
/* device up/down (flag) */
int opt_enable = 0;
int opt_reset = 0;
#define FLAGS_FMT "\20" \
"\001UP" \
"\002RUNNING" \
"\003XMIT_CMD" \
"\004XMIT_ACL" \
"\005XMIT_SCO" \
"\006INIT_BDADDR" \
"\007INIT_BUFFER_SIZE" \
"\010INIT_FEATURES"
/* authorisation (flag) */
int opt_auth = 0;
/* encryption (flag) */
int opt_encrypt = 0;
/* scan enable options (flags) */
int opt_pscan = 0;
int opt_iscan = 0;
/* link policy options (flags) */
int opt_switch = 0;
int opt_hold = 0;
int opt_sniff = 0;
int opt_park = 0;
/* class of device (hex value) */
int opt_class = 0;
uint32_t class;
/* packet type mask (hex value) */
int opt_ptype = 0;
uint32_t ptype;
/* unit name (string) */
int opt_name = 0;
char name[MAX_STR_SIZE];
/* pin type */
int opt_pin = 0;
/* Inquiry */
int opt_inquiry = 0;
#define INQUIRY_LENGTH 10 /* about 12 seconds */
#define INQUIRY_MAX_RESPONSES 10
/* Voice Settings */
int opt_voice = 0;
uint32_t voice;
/* Page Timeout */
int opt_pto = 0;
uint32_t pto;
/* set SCO mtu */
int opt_scomtu;
uint32_t scomtu;
struct parameter {
const char *name;
enum { P_SET, P_CLR, P_STR, P_HEX, P_NUM } 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 },
{ "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 },
{ "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 }
};
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) = strtol(*++av, NULL, 16);
*(p->opt) = 1;
break;
case P_NUM:
if (--ac < 1) badarg(p->name);
*(uint32_t *)(p->val) = strtol(*++av, NULL, 10);
*(p->opt) = 1;
break;
}
av++, ac--;
}
config_unit();
print_info(verbose);
print_stats();
do_inquiry();
}
close(hci);
return EXIT_SUCCESS;
}
void
badparam(const char *param)
{
fprintf(stderr, "unknown parameter '%s'\n", param);
exit(EXIT_FAILURE);
}
void
badarg(const char *param)
{
fprintf(stderr, "parameter '%s' needs argument\n", param);
exit(EXIT_FAILURE);
}
void
usage(void)
{
fprintf(stderr, "usage: %s [-svz] [device [parameters]]\n", getprogname());
fprintf(stderr, " %s -l\n", getprogname());
exit(EXIT_FAILURE);
}
/*
* pretty printing feature
*/
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;
}
}
}
/*
* basic HCI cmd request function with argument return.
*
* Normally, this will return on COMMAND_STATUS or COMMAND_COMPLETE for the given
* opcode, but if event is given then it will ignore COMMAND_STATUS (unless error)
* and wait for the specified event.
*
* if rbuf/rlen is given, results will be copied into the result buffer for
* COMMAND_COMPLETE/event responses.
*/
void
hci_req(uint16_t opcode, uint8_t event, void *cbuf, size_t clen, void *rbuf, size_t rlen)
{
uint8_t msg[sizeof(hci_cmd_hdr_t) + HCI_CMD_PKT_SIZE];
hci_event_hdr_t *ep;
hci_cmd_hdr_t *cp;
cp = (hci_cmd_hdr_t *)msg;
cp->type = HCI_CMD_PKT;
cp->opcode = opcode = htole16(opcode);
cp->length = clen = MIN(clen, sizeof(msg) - sizeof(hci_cmd_hdr_t));
if (clen) memcpy((cp + 1), cbuf, clen);
if (send(hci, msg, sizeof(hci_cmd_hdr_t) + clen, 0) < 0)
err(EXIT_FAILURE, "HCI Send");
ep = (hci_event_hdr_t *)msg;
for(;;) {
if (recv(hci, msg, sizeof(msg), 0) < 0) {
if (errno == EAGAIN || errno == EINTR)
continue;
err(EXIT_FAILURE, "HCI Recv");
}
if (ep->event == HCI_EVENT_COMMAND_STATUS) {
hci_command_status_ep *cs;
cs = (hci_command_status_ep *)(ep + 1);
if (cs->opcode != opcode)
continue;
if (cs->status)
errx(EXIT_FAILURE,
"HCI cmd (%4.4x) failed (status %d)",
opcode, cs->status);
if (event == 0)
break;
continue;
}
if (ep->event == HCI_EVENT_COMMAND_COMPL) {
hci_command_compl_ep *cc;
uint8_t *ptr;
cc = (hci_command_compl_ep *)(ep + 1);
if (cc->opcode != opcode)
continue;
if (rbuf == NULL)
break;
ptr = (uint8_t *)(cc + 1);
if (*ptr)
errx(EXIT_FAILURE,
"HCI cmd (%4.4x) failed (status %d)",
opcode, *ptr);
memcpy(rbuf, ++ptr, rlen);
break;
}
if (ep->event == event) {
if (rbuf == NULL)
break;
memcpy(rbuf, (ep + 1), rlen);
break;
}
}
}
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;
}
/*
* apply configuration parameters to unit
*/
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) {
hci_cmd(HCI_CMD_RESET, NULL, 0);
btr.btr_flags |= BTF_INIT;
if (ioctl(hci, SIOCSBTFLAGS, &btr) < 0)
err(EXIT_FAILURE, "SIOCSBTFLAGS");
/*
* although the reset command will automatically
* carry out these commands, we do them manually
* just so we can wait for completion.
*/
hci_cmd(HCI_CMD_READ_BDADDR, NULL, 0);
hci_cmd(HCI_CMD_READ_BUFFER_SIZE, NULL, 0);
hci_cmd(HCI_CMD_READ_LOCAL_FEATURES, NULL, 0);
if (set_unit(SIOCGBTINFO) < 0)
err(EXIT_FAILURE, "%s", btr.btr_name);
}
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 < 0 || scomtu > 0xff) {
warnx("Invalid SCO mtu %d", scomtu);
} else {
btr.btr_sco_mtu = scomtu;
if (ioctl(hci, SIOCSBTSCOMTU, &btr) < 0)
warn("SIOCSBTSCOMTU");
}
}
}
/*
* Print info for Bluetooth Device with varying verbosity levels
*/
void
print_info(int level)
{
uint8_t val, buf[MAX_STR_SIZE];
uint16_t val16;
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, acl_mtu = %d\n"
"\tnum_sco = %d, sco_mtu = %d\n",
btr.btr_num_cmd,
btr.btr_num_acl, btr.btr_acl_mtu,
btr.btr_num_sco, btr.btr_sco_mtu);
if (level-- < 1 || (btr.btr_flags & BTF_UP) == 0)
return;
load_value(HCI_CMD_READ_UNIT_CLASS, buf, HCI_CLASS_SIZE);
class = (buf[2] << 16) | (buf[1] << 8) | (buf[0]);
print_class("\t");
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");
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, &val16, sizeof(val16));
printf("\tpage timeout: %d ms\n", val16 * 5 / 8);
if (level-- < 1)
return;
load_value(HCI_CMD_READ_LOCAL_FEATURES, buf, HCI_FEATURES_SIZE);
print_features("\tfeatures:", buf);
}
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, recieved %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);
}
void
print_features(const char *str, uint8_t *f)
{
width = printf("%s", str);
/* ------------------- byte 0 --------------------*/
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++;
/* ------------------- byte 1 --------------------*/
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++;
/* ------------------- byte 1 --------------------*/
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 0>");
if (*f & HCI_LMP_FLOW_CONTROL_LAG1) tag("<flow control lag 1>");
if (*f & HCI_LMP_FLOW_CONTROL_LAG2) tag("<flow control lag 2>");
if (*f & HCI_LMP_BC_ENCRYPTION) tag("<broadcast encryption>");
f++;
/* ------------------- byte 3 --------------------*/
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++;
/* ------------------- byte 4 --------------------*/
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_3SLOT_EDR_ACL) tag("<3 slot EDR ACL>");
f++;
/* ------------------- byte 5 --------------------*/
if (*f & HCI_LMP_5SLOT_EDR_ACL) tag("<5 slot EDR ACL>");
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++;
/* ------------------- byte 6 --------------------*/
f++;
/* ------------------- byte 7 --------------------*/
if (*f & HCI_LMP_EXTENDED_FEATURES) tag("<extended features>");
tag(NULL);
}
void
print_class(const char *str)
{
int major, minor;
major = (class & 0x1f00) >> 8;
minor = (class & 0x00fc) >> 2;
width = printf("%sclass: [0x%6.6x]", str, class);
switch (major) {
case 1: /* Computer */
switch (minor) {
case 1: tag("Desktop"); break;
case 2: tag("Server"); break;
case 3: tag("Laptop"); break;
case 4: tag("Handheld"); break;
case 5: tag("Palm Sized"); break;
case 6: tag("Wearable"); break;
}
tag("Computer");
break;
case 2: /* Phone */
switch (minor) {
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: /* LAN */
tag("LAN");
switch ((minor & 0x38) >> 3) {
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: /* Audio/Visual */
switch (minor) {
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: /* Peripheral */
switch (minor & 0x0f) {
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 (minor & 0x10) tag("Keyboard");
if (minor & 0x20) tag("Mouse");
break;
case 6: /* Imaging */
if (minor & 0x20) tag("Printer");
if (minor & 0x10) tag("Scanner");
if (minor & 0x08) tag("Camera");
if (minor & 0x04) tag("Display");
if ((minor & 0x3c) == 0) tag("Imaging");
break;
case 7: /* Wearable */
switch (minor) {
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: /* Toy */
switch (minor) {
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;
default:
break;
}
if (class & 0x002000) tag("<Limited Discoverable>");
if (class & 0x010000) tag("<Positioning>");
if (class & 0x020000) tag("<Networking>");
if (class & 0x040000) tag("<Rendering>");
if (class & 0x080000) tag("<Capturing>");
if (class & 0x100000) tag("<Object Transfer>");
if (class & 0x200000) tag("<Audio>");
if (class & 0x400000) tag("<Telephony>");
if (class & 0x800000) tag("<Information>");
tag(NULL);
}
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");
}
void
print_result(int num, hci_inquiry_response *r)
{
hci_remote_name_req_cp ncp;
hci_remote_name_req_compl_ep nep;
#if 0
hci_read_remote_features_cp fcp;
hci_read_remote_features_compl_ep fep;
#endif
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");
bdaddr_copy(&ncp.bdaddr, &r->bdaddr);
ncp.page_scan_rep_mode = r->page_scan_rep_mode;
ncp.page_scan_mode = r->page_scan_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);
class = (r->uclass[2] << 16) | (r->uclass[1] << 8) | (r->uclass[0]);
print_class(" : ");
#if 0
hci_req(HCI_CMD_READ_REMOTE_FEATURES,
HCI_EVENT_READ_REMOTE_FEATURES_COMPL,
&fcp, sizeof(fcp),
&fep, sizeof(fep));
print_features(" : features", fep.features);
#endif
printf(" : page scan rep mode 0x%02x\n", r->page_scan_rep_mode);
printf(" : page scan period mode 0x%02x\n", r->page_scan_period_mode);
printf(" : page scan mode 0x%02x\n", r->page_scan_mode);
printf(" : clock offset %d\n", le16toh(r->clock_offset));
printf("\n");
}
void
do_inquiry(void)
{
uint8_t buf[HCI_EVENT_PKT_SIZE];
hci_inquiry_response result[INQUIRY_MAX_RESPONSES];
hci_inquiry_cp inq;
struct hci_filter f;
hci_event_hdr_t *hh;
hci_inquiry_result_ep *ep;
hci_inquiry_response *ir;
int i, j, num;
if (opt_inquiry == 0)
return;
printf("Device Discovery from device: %s ...", btr.btr_name);
fflush(stdout);
memset(&f, 0, sizeof(f));
hci_filter_set(HCI_EVENT_COMMAND_STATUS, &f);
hci_filter_set(HCI_EVENT_COMMAND_COMPL, &f);
hci_filter_set(HCI_EVENT_INQUIRY_RESULT, &f);
hci_filter_set(HCI_EVENT_INQUIRY_COMPL, &f);
hci_filter_set(HCI_EVENT_REMOTE_NAME_REQ_COMPL, &f);
hci_filter_set(HCI_EVENT_READ_REMOTE_FEATURES_COMPL, &f);
if (setsockopt(hci, BTPROTO_HCI, SO_HCI_EVT_FILTER, &f, sizeof(f)) < 0)
err(EXIT_FAILURE, "Can't set event filter");
/* General Inquiry LAP is 0x9e8b33 */
inq.lap[0] = 0x33;
inq.lap[1] = 0x8b;
inq.lap[2] = 0x9e;
inq.inquiry_length = INQUIRY_LENGTH;
inq.num_responses = INQUIRY_MAX_RESPONSES;
hci_cmd(HCI_CMD_INQUIRY, &inq, sizeof(inq));
num = 0;
hh = (hci_event_hdr_t *)buf;
ep = (hci_inquiry_result_ep *)(hh + 1);
ir = (hci_inquiry_response *)(ep + 1);
for (;;) {
if (recv(hci, buf, sizeof(buf), 0) <= 0)
err(EXIT_FAILURE, "recv");
if (hh->event == HCI_EVENT_INQUIRY_COMPL)
break;
if (hh->event == HCI_EVENT_INQUIRY_RESULT) {
for (i = 0 ; i < ep->num_responses ; i++) {
if (num == INQUIRY_MAX_RESPONSES)
break;
/* some devices keep responding, ignore dupes */
for (j = 0 ; j < num ; j++)
if (bdaddr_same(&result[j].bdaddr, &ir[i].bdaddr))
break;
if (j < num)
continue;
memcpy(&result[num++], &ir[i], sizeof(hci_inquiry_response));
printf(".");
fflush(stdout);
}
continue;
}
}
printf(" %d response%s\n", num, (num == 1 ? "" : "s"));
for (i = 0 ; i < num ; i++)
print_result(i + 1, &result[i]);
}
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