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/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org>
*
*
* This program is free software; you can redistribute it and/or modify
* it 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#include <stdbool.h>
#include <errno.h>
#include <arpa/inet.h>
#include "lib/bluetooth.h"
#include "lib/sdp.h"
#include "lib/sdp_lib.h"
#include "uuid-helper.h"
char *bt_modalias(uint16_t source, uint16_t vendor,
uint16_t product, uint16_t version)
{
char *str;
int err;
switch (source) {
case 0x0001:
err = asprintf(&str, "%s:v%04Xp%04Xd%04X",
"bluetooth", vendor, product, version);
break;
case 0x0002:
err = asprintf(&str, "%s:v%04Xp%04Xd%04X",
"usb", vendor, product, version);
break;
default:
return NULL;
}
if (err < 0)
return NULL;
return str;
}
char *bt_uuid2string(uuid_t *uuid)
{
char *str;
uuid_t uuid128;
unsigned int data0;
unsigned short data1;
unsigned short data2;
unsigned short data3;
unsigned int data4;
unsigned short data5;
int err;
if (!uuid)
return NULL;
switch (uuid->type) {
case SDP_UUID16:
sdp_uuid16_to_uuid128(&uuid128, uuid);
break;
case SDP_UUID32:
sdp_uuid32_to_uuid128(&uuid128, uuid);
break;
case SDP_UUID128:
memcpy(&uuid128, uuid, sizeof(uuid_t));
break;
default:
/* Type of UUID unknown */
return NULL;
}
memcpy(&data0, &uuid128.value.uuid128.data[0], 4);
memcpy(&data1, &uuid128.value.uuid128.data[4], 2);
memcpy(&data2, &uuid128.value.uuid128.data[6], 2);
memcpy(&data3, &uuid128.value.uuid128.data[8], 2);
memcpy(&data4, &uuid128.value.uuid128.data[10], 4);
memcpy(&data5, &uuid128.value.uuid128.data[14], 2);
err = asprintf(&str, "%.8x-%.4x-%.4x-%.4x-%.8x%.4x",
ntohl(data0), ntohs(data1),
ntohs(data2), ntohs(data3),
ntohl(data4), ntohs(data5));
if (err < 0)
return NULL;
return str;
}
static struct {
const char *name;
uint16_t class;
} bt_services[] = {
{ "pbap", PBAP_SVCLASS_ID },
{ "sap", SAP_SVCLASS_ID },
{ "ftp", OBEX_FILETRANS_SVCLASS_ID },
{ "bpp", BASIC_PRINTING_SVCLASS_ID },
{ "bip", IMAGING_SVCLASS_ID },
{ "synch", IRMC_SYNC_SVCLASS_ID },
{ "dun", DIALUP_NET_SVCLASS_ID },
{ "opp", OBEX_OBJPUSH_SVCLASS_ID },
{ "fax", FAX_SVCLASS_ID },
{ "spp", SERIAL_PORT_SVCLASS_ID },
{ "hsp", HEADSET_SVCLASS_ID },
{ "hsp-hs", HEADSET_SVCLASS_ID },
{ "hsp-ag", HEADSET_AGW_SVCLASS_ID },
{ "hfp", HANDSFREE_SVCLASS_ID },
{ "hfp-hf", HANDSFREE_SVCLASS_ID },
{ "hfp-ag", HANDSFREE_AGW_SVCLASS_ID },
{ "pbap-pce", PBAP_PCE_SVCLASS_ID },
{ "pbap-pse", PBAP_PSE_SVCLASS_ID },
{ "map-mse", MAP_MSE_SVCLASS_ID },
{ "map-mas", MAP_MSE_SVCLASS_ID },
{ "map-mce", MAP_MCE_SVCLASS_ID },
{ "map-mns", MAP_MCE_SVCLASS_ID },
{ "gnss", GNSS_SERVER_SVCLASS_ID },
{ }
};
static uint16_t name2class(const char *pattern)
{
int i;
for (i = 0; bt_services[i].name; i++) {
if (strcasecmp(bt_services[i].name, pattern) == 0)
return bt_services[i].class;
}
return 0;
}
static inline bool is_uuid128(const char *string)
{
return (strlen(string) == 36 &&
string[8] == '-' &&
string[13] == '-' &&
string[18] == '-' &&
string[23] == '-');
}
static int string2uuid16(uuid_t *uuid, const char *string)
{
int length = strlen(string);
char *endptr = NULL;
uint16_t u16;
if (length != 4 && length != 6)
return -EINVAL;
u16 = strtol(string, &endptr, 16);
if (endptr && *endptr == '\0') {
sdp_uuid16_create(uuid, u16);
return 0;
}
return -EINVAL;
}
char *bt_name2string(const char *pattern)
{
uuid_t uuid;
uint16_t uuid16;
int i;
/* UUID 128 string format */
if (is_uuid128(pattern))
return strdup(pattern);
/* Friendly service name format */
uuid16 = name2class(pattern);
if (uuid16)
goto proceed;
/* HEX format */
uuid16 = strtol(pattern, NULL, 16);
for (i = 0; bt_services[i].class; i++) {
if (bt_services[i].class == uuid16)
goto proceed;
}
return NULL;
proceed:
sdp_uuid16_create(&uuid, uuid16);
return bt_uuid2string(&uuid);
}
int bt_string2uuid(uuid_t *uuid, const char *string)
{
uint32_t data0, data4;
uint16_t data1, data2, data3, data5;
if (is_uuid128(string) &&
sscanf(string, "%08x-%04hx-%04hx-%04hx-%08x%04hx",
&data0, &data1, &data2, &data3, &data4, &data5) == 6) {
uint8_t val[16];
data0 = htonl(data0);
data1 = htons(data1);
data2 = htons(data2);
data3 = htons(data3);
data4 = htonl(data4);
data5 = htons(data5);
memcpy(&val[0], &data0, 4);
memcpy(&val[4], &data1, 2);
memcpy(&val[6], &data2, 2);
memcpy(&val[8], &data3, 2);
memcpy(&val[10], &data4, 4);
memcpy(&val[14], &data5, 2);
sdp_uuid128_create(uuid, val);
return 0;
} else {
uint16_t class = name2class(string);
if (class) {
sdp_uuid16_create(uuid, class);
return 0;
}
return string2uuid16(uuid, string);
}
}
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