static void extract_hid_record(sdp_record_t *rec, struct hidp_connadd_req *req)
{
sdp_data_t *pdlist, *pdlist2;
uint8_t attr_val;
pdlist = sdp_data_get(rec, 0x0101);
pdlist2 = sdp_data_get(rec, 0x0102);
if (pdlist) {
if (pdlist2) {
if (strncmp(pdlist->val.str, pdlist2->val.str, 5)) {
strncpy(req->name, pdlist2->val.str, 127);
strcat(req->name, " ");
}
strncat(req->name, pdlist->val.str, 127 - strlen(req->name));
} else
strncpy(req->name, pdlist->val.str, 127);
} else {
pdlist2 = sdp_data_get(rec, 0x0100);
if (pdlist2)
strncpy(req->name, pdlist2->val.str, 127);
}
pdlist = sdp_data_get(rec, SDP_ATTR_HID_PARSER_VERSION);
req->parser = pdlist ? pdlist->val.uint16 : 0x0100;
pdlist = sdp_data_get(rec, SDP_ATTR_HID_DEVICE_SUBCLASS);
req->subclass = pdlist ? pdlist->val.uint8 : 0;
pdlist = sdp_data_get(rec, SDP_ATTR_HID_COUNTRY_CODE);
req->country = pdlist ? pdlist->val.uint8 : 0;
pdlist = sdp_data_get(rec, SDP_ATTR_HID_VIRTUAL_CABLE);
attr_val = pdlist ? pdlist->val.uint8 : 0;
if (attr_val)
req->flags |= (1 << HIDP_VIRTUAL_CABLE_UNPLUG);
pdlist = sdp_data_get(rec, SDP_ATTR_HID_BOOT_DEVICE);
attr_val = pdlist ? pdlist->val.uint8 : 0;
if (attr_val)
req->flags |= (1 << HIDP_BOOT_PROTOCOL_MODE);
pdlist = sdp_data_get(rec, SDP_ATTR_HID_DESCRIPTOR_LIST);
if (pdlist) {
pdlist = pdlist->val.dataseq;
pdlist = pdlist->val.dataseq;
pdlist = pdlist->next;
req->rd_data = g_try_malloc0(pdlist->unitSize);
if (req->rd_data) {
memcpy(req->rd_data, (unsigned char *) pdlist->val.str,
pdlist->unitSize);
req->rd_size = pdlist->unitSize;
epox_endian_quirk(req->rd_data, req->rd_size);
}
}
}
/* See HID profile specification v1.0, "7.11.6 HIDDescriptorList" for details
* on the attribute format. */
static int extract_hid_desc_data(sdp_record_t *rec,
struct hidp_connadd_req *req)
{
sdp_data_t *d;
d = sdp_data_get(rec, SDP_ATTR_HID_DESCRIPTOR_LIST);
if (!d)
goto invalid_desc;
if (!SDP_IS_SEQ(d->dtd))
goto invalid_desc;
/* First HIDDescriptor */
d = d->val.dataseq;
if (!SDP_IS_SEQ(d->dtd))
goto invalid_desc;
/* ClassDescriptorType */
d = d->val.dataseq;
if (d->dtd != SDP_UINT8)
goto invalid_desc;
/* ClassDescriptorData */
d = d->next;
if (!d || !SDP_IS_TEXT_STR(d->dtd))
goto invalid_desc;
req->rd_data = g_try_malloc0(d->unitSize);
if (req->rd_data) {
memcpy(req->rd_data, d->val.str, d->unitSize);
req->rd_size = d->unitSize;
epox_endian_quirk(req->rd_data, req->rd_size);
}
return 0;
invalid_desc:
error("Missing or invalid HIDDescriptorList SDP attribute");
return -EINVAL;
}
