static int find_service_channel(bdaddr_t *adapter, bdaddr_t *device, int only_gnapplet, uint16_t svclass_id)
{
int i, channel = -1;
char name[64];
void *ss = NULL;
uint32_t attrs[] = {
SDP_ATTR_RANGE( SDP_ATTR_PROTOCOL_DESCRIPTOR_LIST,
SDP_ATTR_PROTOCOL_DESCRIPTOR_LIST),
SDP_ATTR_RANGE( SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID + SDP_ATTR_SERVICE_NAME_OFFSET,
SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID + SDP_ATTR_SERVICE_NAME_OFFSET),
};
/* Buffer for the attributes */
static uint8_t buffer[NRECS * attrs_len][BSIZE];
/* SDP attributes */
static sdp_attr_t values[NRECS * attrs_len];
/* Initialize attribute values array */
for (i = 0; i < values_len; i ++) {
values[i].flags = SDP_ATTR_INVALID;
values[i].attr = 0;
values[i].vlen = BSIZE;
values[i].value = buffer[i];
}
if ((ss = sdp_open(adapter, device)) == NULL)
return -1;
if (sdp_error(ss) != 0)
goto end;
if (sdp_search(ss, 1, &svclass_id, attrs_len, attrs, values_len, values) != 0)
goto end;
for (i = 0; i < values_len; i++) {
union {
uint8_t uint8;
uint16_t uint16;
uint32_t uint32;
uint64_t uint64;
int128_t int128;
} value;
uint8_t *start, *end;
uint32_t type, len;
if (values[i].flags != SDP_ATTR_OK)
break;
start = values[i].value;
end = values[i].value + values[i].vlen;
switch (values[i].attr) {
case SDP_ATTR_PROTOCOL_DESCRIPTOR_LIST:
SDP_GET8(type, start);
switch (type) {
case SDP_DATA_SEQ8:
SDP_GET8(len, start);
break;
case SDP_DATA_SEQ16:
SDP_GET16(len, start);
break;
case SDP_DATA_SEQ32:
SDP_GET32(len, start);
break;
default:
goto end;
break;
}
SDP_GET8(type, start);
switch (type) {
case SDP_DATA_SEQ8:
SDP_GET8(len, start);
break;
case SDP_DATA_SEQ16:
SDP_GET16(len, start);
break;
case SDP_DATA_SEQ32:
SDP_GET32(len, start);
break;
default:
goto end;
}
while (start < end) {
SDP_GET8(type, start);
switch (type) {
case SDP_DATA_UUID16:
SDP_GET16(value.uint16, start);
break;
case SDP_DATA_UUID32:
SDP_GET32(value.uint32, start);
break;
case SDP_DATA_UUID128:
SDP_GET_UUID128(&value.int128, start);
break;
default:
goto end;
}
if (value.uint16 == 3) {
SDP_GET8(type, start);
switch (type) {
case SDP_DATA_UINT8:
case SDP_DATA_INT8:
SDP_GET8(value.uint8, start);
channel = value.uint8;
break;
case SDP_DATA_UINT16:
case SDP_DATA_INT16:
SDP_GET16(value.uint16, start);
channel = value.uint16;
break;
case SDP_DATA_UINT32:
case SDP_DATA_INT32:
SDP_GET32(value.uint32, start);
channel = value.uint32;
break;
default:
goto end;
}
} else {
SDP_GET8(type, start);
switch (type) {
case SDP_DATA_SEQ8:
case SDP_DATA_UINT8:
case SDP_DATA_INT8:
case SDP_DATA_BOOL:
SDP_GET8(value.uint8, start);
break;
case SDP_DATA_SEQ16:
case SDP_DATA_UINT16:
case SDP_DATA_INT16:
case SDP_DATA_UUID16:
SDP_GET16(value.uint16, start);
break;
case SDP_DATA_SEQ32:
case SDP_DATA_UINT32:
case SDP_DATA_INT32:
case SDP_DATA_UUID32:
SDP_GET32(value.uint32, start);
break;
case SDP_DATA_UINT64:
case SDP_DATA_INT64:
SDP_GET64(value.uint64, start);
break;
case SDP_DATA_UINT128:
case SDP_DATA_INT128:
SDP_GET128(&value.int128, start);
break;
default:
goto end;
}
}
}
start += len;
break;
case SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID + SDP_ATTR_SERVICE_NAME_OFFSET:
if (channel == -1)
break;
SDP_GET8(type, start);
switch (type) {
case SDP_DATA_STR8:
case SDP_DATA_URL8:
SDP_GET8(len, start);
snprintf(name, sizeof(name), "%*.*s", len, len, (char *) start);
start += len;
break;
case SDP_DATA_STR16:
case SDP_DATA_URL16:
SDP_GET16(len, start);
snprintf(name, sizeof(name), "%*.*s", len, len, (char *) start);
start += len;
break;
case SDP_DATA_STR32:
case SDP_DATA_URL32:
SDP_GET32(len, start);
snprintf(name, sizeof(name), "%*.*s", len, len, (char *) start);
start += len;
break;
default:
goto end;
}
if (name == NULL)
break;
if (only_gnapplet != 0) {
if (strcmp(name, "gnapplet") == 0)
goto end;
else {
channel = -1;
break;
}
}
if (strstr(name, "Nokia PC Suite") != NULL) {
channel = -1;
break;
}
if (strstr(name, "Bluetooth Serial Port") != NULL) {
channel = -1;
break;
}
if (strstr(name, "m-Router Connectivity") != NULL) {
channel = -1;
break;
}
goto end;
}
}
end:
sdp_close(ss);
return channel;
}
static void
print_protocol_descriptor(uint8_t const *start, uint8_t const *end)
{
union {
uint8_t uint8;
uint16_t uint16;
uint32_t uint32;
uint64_t uint64;
int128_t int128;
} value;
uint32_t type, len, param;
/* Get Protocol UUID */
SDP_GET8(type, start);
switch (type) {
case SDP_DATA_UUID16:
SDP_GET16(value.uint16, start);
fprintf(stdout, "\t%s (%#4.4x)\n", sdp_uuid2desc(value.uint16),
value.uint16);
break;
case SDP_DATA_UUID32:
SDP_GET32(value.uint32, start);
fprintf(stdout, "\t%#8.8x\n", value.uint32);
break;
case SDP_DATA_UUID128:
SDP_GET_UUID128(&value.int128, start);
fprintf(stdout, "\t%#8.8x-%4.4x-%4.4x-%4.4x-%4.4x%8.8x\n",
ntohl(*(uint32_t *)&value.int128.b[0]),
ntohs(*(uint16_t *)&value.int128.b[4]),
ntohs(*(uint16_t *)&value.int128.b[6]),
ntohs(*(uint16_t *)&value.int128.b[8]),
ntohs(*(uint16_t *)&value.int128.b[10]),
ntohl(*(uint32_t *)&value.int128.b[12]));
break;
default:
fprintf(stderr, "Invalid Protocol Descriptor. " \
"Not a UUID, type=%#x\n", type);
return;
/* NOT REACHED */
}
/* Protocol specific parameters */
for (param = 1; start < end; param ++) {
fprintf(stdout, "\t\tProtocol specific parameter #%d: ", param);
SDP_GET8(type, start);
switch (type) {
case SDP_DATA_NIL:
fprintf(stdout, "nil\n");
break;
case SDP_DATA_UINT8:
case SDP_DATA_INT8:
case SDP_DATA_BOOL:
SDP_GET8(value.uint8, start);
fprintf(stdout, "u/int8/bool %u\n", value.uint8);
break;
case SDP_DATA_UINT16:
case SDP_DATA_INT16:
case SDP_DATA_UUID16:
SDP_GET16(value.uint16, start);
fprintf(stdout, "u/int/uuid16 %u\n", value.uint16);
break;
case SDP_DATA_UINT32:
case SDP_DATA_INT32:
case SDP_DATA_UUID32:
SDP_GET32(value.uint32, start);
fprintf(stdout, "u/int/uuid32 %u\n", value.uint32);
break;
case SDP_DATA_UINT64:
case SDP_DATA_INT64:
SDP_GET64(value.uint64, start);
fprintf(stdout, "u/int64 %ju\n", value.uint64);
break;
case SDP_DATA_UINT128:
case SDP_DATA_INT128:
SDP_GET128(&value.int128, start);
fprintf(stdout, "u/int128 %#8.8x%8.8x%8.8x%8.8x\n",
*(uint32_t *)&value.int128.b[0],
*(uint32_t *)&value.int128.b[4],
*(uint32_t *)&value.int128.b[8],
*(uint32_t *)&value.int128.b[12]);
break;
case SDP_DATA_UUID128:
SDP_GET_UUID128(&value.int128, start);
fprintf(stdout, "uuid128 %#8.8x-%4.4x-%4.4x-%4.4x-%4.4x%8.8x\n",
ntohl(*(uint32_t *)&value.int128.b[0]),
ntohs(*(uint16_t *)&value.int128.b[4]),
ntohs(*(uint16_t *)&value.int128.b[6]),
ntohs(*(uint16_t *)&value.int128.b[8]),
ntohs(*(uint16_t *)&value.int128.b[10]),
ntohl(*(uint32_t *)&value.int128.b[12]));
break;
case SDP_DATA_STR8:
case SDP_DATA_URL8:
SDP_GET8(len, start);
fprintf(stdout, "%*.*s\n", len, len, (char *) start);
start += len;
break;
case SDP_DATA_STR16:
case SDP_DATA_URL16:
SDP_GET16(len, start);
fprintf(stdout, "%*.*s\n", len, len, (char *) start);
start += len;
break;
case SDP_DATA_STR32:
case SDP_DATA_URL32:
SDP_GET32(len, start);
fprintf(stdout, "%*.*s\n", len, len, (char *) start);
start += len;
break;
case SDP_DATA_SEQ8:
case SDP_DATA_ALT8:
SDP_GET8(len, start);
for (; len > 0; start ++, len --)
fprintf(stdout, "%#2.2x ", *start);
fprintf(stdout, "\n");
break;
case SDP_DATA_SEQ16:
case SDP_DATA_ALT16:
SDP_GET16(len, start);
for (; len > 0; start ++, len --)
fprintf(stdout, "%#2.2x ", *start);
fprintf(stdout, "\n");
break;
case SDP_DATA_SEQ32:
case SDP_DATA_ALT32:
SDP_GET32(len, start);
for (; len > 0; start ++, len --)
fprintf(stdout, "%#2.2x ", *start);
fprintf(stdout, "\n");
break;
default:
fprintf(stderr, "Invalid Protocol Descriptor. " \
"Unknown data type: %#02x\n", type);
return;
/* NOT REACHED */
}
}
} /* print_protocol_descriptor */
void
sdp_print(uint32_t level, uint8_t const *start, uint8_t const *end)
{
union {
int8_t int8;
int16_t int16;
int32_t int32;
int64_t int64;
int128_t int128;
uint8_t uint8;
uint16_t uint16;
uint32_t uint32;
uint64_t uint64;
} value;
uint8_t type;
uint32_t i;
if (start == NULL || end == NULL)
return;
while (start < end) {
for (i = 0; i < level; i++)
printf("\t");
SDP_GET8(type, start);
switch (type) {
case SDP_DATA_NIL:
printf("nil\n");
break;
case SDP_DATA_UINT8:
SDP_GET8(value.uint8, start);
printf("uint8 %u\n", value.uint8);
break;
case SDP_DATA_UINT16:
SDP_GET16(value.uint16, start);
printf("uint16 %u\n", value.uint16);
break;
case SDP_DATA_UINT32:
SDP_GET32(value.uint32, start);
printf("uint32 %u\n", value.uint32);
break;
case SDP_DATA_UINT64:
SDP_GET64(value.uint64, start);
printf("uint64 %ju\n", value.uint64);
break;
case SDP_DATA_UINT128:
case SDP_DATA_INT128:
SDP_GET128(&value.int128, start);
printf("u/int128 %#8.8x%8.8x%8.8x%8.8x\n",
*(uint32_t *)&value.int128.b[0],
*(uint32_t *)&value.int128.b[4],
*(uint32_t *)&value.int128.b[8],
*(uint32_t *)&value.int128.b[12]);
break;
case SDP_DATA_UUID128:
SDP_GET_UUID128(&value.int128, start);
printf("uuid128 %#8.8x-%4.4x-%4.4x-%4.4x-%4.4x%8.8x\n",
ntohl(*(uint32_t *)&value.int128.b[0]),
ntohs(*(uint16_t *)&value.int128.b[4]),
ntohs(*(uint16_t *)&value.int128.b[6]),
ntohs(*(uint16_t *)&value.int128.b[8]),
ntohs(*(uint16_t *)&value.int128.b[10]),
ntohl(*(uint32_t *)&value.int128.b[12]));
break;
case SDP_DATA_INT8:
SDP_GET8(value.int8, start);
printf("int8 %d\n", value.int8);
break;
case SDP_DATA_INT16:
SDP_GET16(value.int16, start);
printf("int16 %d\n", value.int16);
break;
case SDP_DATA_INT32:
SDP_GET32(value.int32, start);
printf("int32 %d\n", value.int32);
break;
case SDP_DATA_INT64:
SDP_GET64(value.int64, start);
printf("int64 %ju\n", value.int64);
break;
case SDP_DATA_UUID16:
SDP_GET16(value.uint16, start);
printf("uuid16 %#4.4x - %s\n", value.uint16,
sdp_uuid2desc(value.uint16));
break;
case SDP_DATA_UUID32:
SDP_GET32(value.uint32, start);
printf("uuid32 %#8.8x\n", value.uint32);
break;
case SDP_DATA_STR8:
SDP_GET8(value.uint8, start);
printf("str8 %*.*s\n", value.uint8, value.uint8, start);
start += value.uint8;
break;
case SDP_DATA_STR16:
SDP_GET16(value.uint16, start);
printf("str16 %*.*s\n", value.uint16, value.uint16, start);
start += value.uint16;
break;
case SDP_DATA_STR32:
SDP_GET32(value.uint32, start);
printf("str32 %*.*s\n", value.uint32, value.uint32, start);
start += value.uint32;
break;
case SDP_DATA_BOOL:
SDP_GET8(value.uint8, start);
printf("bool %d\n", value.uint8);
break;
case SDP_DATA_SEQ8:
SDP_GET8(value.uint8, start);
printf("seq8 %d\n", value.uint8);
sdp_print(level + 1, start, start + value.uint8);
start += value.uint8;
break;
case SDP_DATA_SEQ16:
SDP_GET16(value.uint16, start);
printf("seq16 %d\n", value.uint16);
sdp_print(level + 1, start, start + value.uint16);
start += value.uint16;
break;
case SDP_DATA_SEQ32:
SDP_GET32(value.uint32, start);
printf("seq32 %d\n", value.uint32);
sdp_print(level + 1, start, start + value.uint32);
start += value.uint32;
break;
case SDP_DATA_ALT8:
SDP_GET8(value.uint8, start);
printf("alt8 %d\n", value.uint8);
sdp_print(level + 1, start, start + value.uint8);
start += value.uint8;
break;
case SDP_DATA_ALT16:
SDP_GET16(value.uint16, start);
printf("alt16 %d\n", value.uint16);
sdp_print(level + 1, start, start + value.uint16);
start += value.uint16;
break;
case SDP_DATA_ALT32:
SDP_GET32(value.uint32, start);
printf("alt32 %d\n", value.uint32);
sdp_print(level + 1, start, start + value.uint32);
start += value.uint32;
break;
case SDP_DATA_URL8:
SDP_GET8(value.uint8, start);
printf("url8 %*.*s\n", value.uint8, value.uint8, start);
start += value.uint8;
break;
case SDP_DATA_URL16:
SDP_GET16(value.uint16, start);
printf("url16 %*.*s\n", value.uint16, value.uint16, start);
start += value.uint16;
break;
case SDP_DATA_URL32:
SDP_GET32(value.uint32, start);
printf("url32 %*.*s\n", value.uint32, value.uint32, start);
start += value.uint32;
break;
default:
printf("unknown data type: %#02x\n", *start ++);
break;
}
}
}