/* * Service Discover Protocol server for QEMU L2CAP devices * * Copyright (C) 2008 Andrzej Zaborowski <balrog@zabor.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, see <http://www.gnu.org/licenses/>. */ #include "qemu/osdep.h" #include "qemu-common.h" #include "qemu/host-utils.h" #include "hw/bt.h" struct bt_l2cap_sdp_state_s { struct bt_l2cap_conn_params_s *channel; struct sdp_service_record_s { int match; int *uuid; int uuids; struct sdp_service_attribute_s { int match; int attribute_id; int len; void *pair; } *attribute_list; int attributes; } *service_list; int services; }; static ssize_t sdp_datalen(const uint8_t **element, ssize_t *left) { uint32_t len = *(*element) ++ & SDP_DSIZE_MASK; if (!*left) return -1; (*left) --; if (len < SDP_DSIZE_NEXT1) return 1 << len; else if (len == SDP_DSIZE_NEXT1) { if (*left < 1) return -1; (*left) --; return *(*element) ++; } else if (len == SDP_DSIZE_NEXT2) { if (*left < 2) return -1; (*left) -= 2; len = (*(*element) ++) << 8; return len | (*(*element) ++); } else { if (*left < 4) return -1; (*left) -= 4; len = (*(*element) ++) << 24; len |= (*(*element) ++) << 16; len |= (*(*element) ++) << 8; return len | (*(*element) ++); } } static const uint8_t bt_base_uuid[12] = { 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0x80, 0x5f, 0x9b, 0x34, 0xfb, }; static int sdp_uuid_match(struct sdp_service_record_s *record, const uint8_t *uuid, ssize_t datalen) { int *lo, hi, val; if (datalen == 16 || datalen == 4) { if (datalen == 16 && memcmp(uuid + 4, bt_base_uuid, 12)) return 0; if (uuid[0] | uuid[1]) return 0; uuid += 2; } val = (uuid[0] << 8) | uuid[1]; lo = record->uuid; hi = record->uuids; while (hi >>= 1) if (lo[hi] <= val) lo += hi; return *lo == val; } #define CONTINUATION_PARAM_SIZE (1 + sizeof(int)) #define MAX_PDU_OUT_SIZE 96 /* Arbitrary */ #define PDU_HEADER_SIZE 5 #define MAX_RSP_PARAM_SIZE (MAX_PDU_OUT_SIZE - PDU_HEADER_SIZE - \ CONTINUATION_PARAM_SIZE) static int sdp_svc_match(struct bt_l2cap_sdp_state_s *sdp, const uint8_t **req, ssize_t *len) { size_t datalen; int i; if ((**req & ~SDP_DSIZE_MASK) != SDP_DTYPE_UUID) return 1; datalen = sdp_datalen(req, len); if (datalen != 2 && datalen != 4 && datalen != 16) return 1; for (i = 0; i < sdp->services; i ++) if (sdp_uuid_match(&sdp->service_list[i], *req, datalen)) sdp->service_list[i].match = 1; (*req) += datalen; (*len) -= datalen; return 0; } static ssize_t sdp_svc_search(struct bt_l2cap_sdp_state_s *sdp, uint8_t *rsp, const uint8_t *req, ssize_t len) { ssize_t seqlen; int i, count, start, end, max; int32_t handle; /* Perform the search */ for (i = 0; i < sdp->services; i ++) sdp->service_list[i].match = 0; if (len < 1) return -SDP_INVALID_SYNTAX; if ((*req & ~SDP_DSIZE_MASK) == SDP_DTYPE_SEQ) { seqlen = sdp_datalen(&req, &len); if (seqlen < 3 || len < seqlen) return -SDP_INVALID_SYNTAX; len -= seqlen; while (seqlen) if (sdp_svc_match(sdp, &req, &seqlen)) return -SDP_INVALID_SYNTAX; } else { if (sdp_svc_match(sdp, &req, &len)) { return -SDP_INVALID_SYNTAX; } } if (len < 3) return -SDP_INVALID_SYNTAX; max = (req[0] << 8) | req[1]; req += 2; len -= 2; if (*req) { if (len <= sizeof(int)) return -SDP_INVALID_SYNTAX; len -= sizeof(int); memcpy(&start, req + 1, sizeof(int)); } else start = 0; if (len > 1) return -SDP_INVALID_SYNTAX; /* Output the results */ len = 4; count = 0; end = start; for (i = 0; i < sdp->services; i ++) if (sdp->service_list[i].match) { if (count >= start && count < max && len + 4 < MAX_RSP_PARAM_SIZE) { handle = i; memcpy(rsp + len, &handle, 4); len += 4; end = count + 1; } count ++; } rsp[0] = count >> 8; rsp[1] = count & 0xff; rsp[2] = (end - start) >> 8; rsp[3] = (end - start) & 0xff; if (end < count) { rsp[len ++] = sizeof(int); memcpy(rsp + len, &end, sizeof(int)); len += 4; } else rsp[len ++] = 0; return len; } static int sdp_attr_match(struct sdp_service_record_s *record, const uint8_t **req, ssize_t *len) { int i, start, end; if (**req == (SDP_DTYPE_UINT | SDP_DSIZE_2)) { (*req) ++; if (*len < 3) return 1; start = (*(*req) ++) << 8; start |= *(*req) ++; end = start; *len -= 3; } else if (**req == (SDP_DTYPE_UINT | SDP_DSIZE_4)) { (*req) ++; if (*len < 5) return 1; start = (*(*req) ++) << 8; start |= *(*req) ++; end = (*(*req) ++) << 8; end |= *(*req) ++; *len -= 5; } else return 1; for (i = 0; i < record->attributes; i ++) if (record->attribute_list[i].attribute_id >= start && record->attribute_list[i].attribute_id <= end) record->attribute_list[i].match = 1; return 0; } static ssize_t sdp_attr_get(struct bt_l2cap_sdp_state_s *sdp, uint8_t *rsp, const uint8_t *req, ssize_t len) { ssize_t seqlen; int i, start, end, max; int32_t handle; struct sdp_service_record_s *record; uint8_t *lst; /* Perform the search */ if (len < 7) return -SDP_INVALID_SYNTAX; memcpy(&handle, req, 4); req += 4; len -= 4; if (handle < 0 || handle > sdp->services) return -SDP_INVALID_RECORD_HANDLE; record = &sdp->service_list[handle]; for (i = 0; i < record->attributes; i ++) record->attribute_list[i].match = 0; max = (req[0] << 8) | req[1]; req += 2; len -= 2; if (max < 0x0007) return -SDP_INVALID_SYNTAX; if ((*req & ~SDP_DSIZE_MASK) == SDP_DTYPE_SEQ) { seqlen = sdp_datalen(&req, &len); if (seqlen < 3 || len < seqlen) return -SDP_INVALID_SYNTAX; len -= seqlen; while (seqlen) if (sdp_attr_match(record, &req, &seqlen)) return -SDP_INVALID_SYNTAX; } else { if (sdp_attr_match(record, &req, &len)) { return -SDP_INVALID_SYNTAX; } } if (len < 1) return -SDP_INVALID_SYNTAX; if (*req) { if (len <= sizeof(int)) return -SDP_INVALID_SYNTAX; len -= sizeof(int); memcpy(&start, req + 1, sizeof(int)); } else start = 0; if (len > 1) return -SDP_INVALID_SYNTAX; /* Output the results */ lst = rsp + 2; max = MIN(max, MAX_RSP_PARAM_SIZE); len = 3 - start; end = 0; for (i = 0; i < record->attributes; i ++) if (record->attribute_list[i].match) { if (len >= 0 && len + record->attribute_list[i].len < max) { memcpy(lst + len, record->attribute_list[i].pair, record->attribute_list[i].len); end = len + record->attribute_list[i].len; } len += record->attribute_list[i].len; } if (0 >= start) { lst[0] = SDP_DTYPE_SEQ | SDP_DSIZE_NEXT2; lst[1] = (len + start - 3) >> 8; lst[2] = (len + start - 3) & 0xff; } rsp[0] = end >> 8; rsp[1] = end & 0xff; if (end < len) { len = end + start; lst[end ++] = sizeof(int); memcpy(lst + end, &len, sizeof(int)); end += sizeof(int); } else lst[end ++] = 0; return end + 2; } static int sdp_svc_attr_match(struct bt_l2cap_sdp_state_s *sdp, const uint8_t **req, ssize_t *len) { int i, j, start, end; struct sdp_service_record_s *record; if (**req == (SDP_DTYPE_UINT | SDP_DSIZE_2)) { (*req) ++; if (*len < 3) return 1; start = (*(*req) ++) << 8; start |= *(*req) ++; end = start; *len -= 3; } else if (**req == (SDP_DTYPE_UINT | SDP_DSIZE_4)) { (*req) ++; if (*len < 5) return 1; start = (*(*req) ++) << 8; start |= *(*req) ++; end = (*(*req) ++) << 8; end |= *(*req) ++; *len -= 5; } else return 1; for (i = 0; i < sdp->services; i ++) if ((record = &sdp->service_list[i])->match) for (j = 0; j < record->attributes; j ++) if (record->attribute_list[j].attribute_id >= start && record->attribute_list[j].attribute_id <= end) record->attribute_list[j].match = 1; return 0; } static ssize_t sdp_svc_search_attr_get(struct bt_l2cap_sdp_state_s *sdp, uint8_t *rsp, const uint8_t *req, ssize_t len) { ssize_t seqlen; int i, j, start, end, max; struct sdp_service_record_s *record; uint8_t *lst; /* Perform the search */ for (i = 0; i < sdp->services; i ++) { sdp->service_list[i].match = 0; for (j = 0; j < sdp->service_list[i].attributes; j ++) sdp->service_list[i].attribute_list[j].match = 0; } if (len < 1) return -SDP_INVALID_SYNTAX; if ((*req & ~SDP_DSIZE_MASK) == SDP_DTYPE_SEQ) { seqlen = sdp_datalen(&req, &len); if (seqlen < 3 || len < seqlen) return -SDP_INVALID_SYNTAX; len -= seqlen; while (seqlen) if (sdp_svc_match(sdp, &req, &seqlen)) return -SDP_INVALID_SYNTAX; } else { if (sdp_svc_match(sdp, &req, &len)) { return -SDP_INVALID_SYNTAX; } } if (len < 3) return -SDP_INVALID_SYNTAX; max = (req[0] << 8) | req[1]; req += 2; len -= 2; if (max < 0x0007) return -SDP_INVALID_SYNTAX; if ((*req & ~SDP_DSIZE_MASK) == SDP_DTYPE_SEQ) { seqlen = sdp_datalen(&req, &len); if (seqlen < 3 || len < seqlen) return -SDP_INVALID_SYNTAX; len -= seqlen; while (seqlen) if (sdp_svc_attr_match(sdp, &req, &seqlen)) return -SDP_INVALID_SYNTAX; } else { if (sdp_svc_attr_match(sdp, &req, &len)) { return -SDP_INVALID_SYNTAX; } } if (len < 1) return -SDP_INVALID_SYNTAX; if (*req) { if (len <= sizeof(int)) return -SDP_INVALID_SYNTAX; len -= sizeof(int); memcpy(&start, req + 1, sizeof(int)); } else start = 0; if (len > 1) return -SDP_INVALID_SYNTAX; /* Output the results */ /* This assumes empty attribute lists are never to be returned even * for matching Service Records. In practice this shouldn't happen * as the requestor will usually include the always present * ServiceRecordHandle AttributeID in AttributeIDList. */ lst = rsp + 2; max = MIN(max, MAX_RSP_PARAM_SIZE); len = 3 - start; end = 0; for (i = 0; i < sdp->services; i ++) if ((record = &sdp->service_list[i])->match) { len += 3; seqlen = len; for (j = 0; j < record->attributes; j ++) if (record->attribute_list[j].match) { if (len >= 0) if (len + record->attribute_list[j].len < max) { memcpy(lst + len, record->attribute_list[j].pair, record->attribute_list[j].len); end = len + record->attribute_list[j].len; } len += record->attribute_list[j].len; } if (seqlen == len) len -= 3; else if (seqlen >= 3 && seqlen < max) { lst[seqlen - 3] = SDP_DTYPE_SEQ | SDP_DSIZE_NEXT2; lst[seqlen - 2] = (len - seqlen) >> 8; lst[seqlen - 1] = (len - seqlen) & 0xff; } } if (len == 3 - start) len -= 3; else if (0 >= start) { lst[0] = SDP_DTYPE_SEQ | SDP_DSIZE_NEXT2; lst[1] = (len + start - 3) >> 8; lst[2] = (len + start - 3) & 0xff; } rsp[0] = end >> 8; rsp[1] = end & 0xff; if (end < len) { len = end + start; lst[end ++] = sizeof(int); memcpy(lst + end, &len, sizeof(int)); end += sizeof(int); } else lst[end ++] = 0; return end + 2; } static void bt_l2cap_sdp_sdu_in(void *opaque, const uint8_t *data, int len) { struct bt_l2cap_sdp_state_s *sdp = opaque; enum bt_sdp_cmd pdu_id; uint8_t rsp[MAX_PDU_OUT_SIZE - PDU_HEADER_SIZE], *sdu_out; int transaction_id, plen; int err = 0; int rsp_len = 0; if (len < 5) { fprintf(stderr, "%s: short SDP PDU (%iB).\n", __FUNCTION__, len); return; } pdu_id = *data ++; transaction_id = (data[0] << 8) | data[1]; plen = (data[2] << 8) | data[3]; data += 4; len -= 5; if (len != plen) { fprintf(stderr, "%s: wrong SDP PDU length (%iB != %iB).\n", __FUNCTION__, plen, len); err = SDP_INVALID_PDU_SIZE; goto respond; } switch (pdu_id) { case SDP_SVC_SEARCH_REQ: rsp_len = sdp_svc_search(sdp, rsp, data, len); pdu_id = SDP_SVC_SEARCH_RSP; break; case SDP_SVC_ATTR_REQ: rsp_len = sdp_attr_get(sdp, rsp, data, len); pdu_id = SDP_SVC_ATTR_RSP; break; case SDP_SVC_SEARCH_ATTR_REQ: rsp_len = sdp_svc_search_attr_get(sdp, rsp, data, len); pdu_id = SDP_SVC_SEARCH_ATTR_RSP; break; case SDP_ERROR_RSP: case SDP_SVC_ATTR_RSP: case SDP_SVC_SEARCH_RSP: case SDP_SVC_SEARCH_ATTR_RSP: default: fprintf(stderr, "%s: unexpected SDP PDU ID %02x.\n", __FUNCTION__, pdu_id); err = SDP_INVALID_SYNTAX; break; } if (rsp_len < 0) { err = -rsp_len; rsp_len = 0; } respond: if (err) { pdu_id = SDP_ERROR_RSP; rsp[rsp_len ++] = err >> 8; rsp[rsp_len ++] = err & 0xff; } sdu_out = sdp->channel->sdu_out(sdp->channel, rsp_len + PDU_HEADER_SIZE); sdu_out[0] = pdu_id; sdu_out[1] = transaction_id >> 8; sdu_out[2] = transaction_id & 0xff; sdu_out[3] = rsp_len >> 8; sdu_out[4] = rsp_len & 0xff; memcpy(sdu_out + PDU_HEADER_SIZE, rsp, rsp_len); sdp->channel->sdu_submit(sdp->channel); } static void bt_l2cap_sdp_close_ch(void *opaque) { struct bt_l2cap_sdp_state_s *sdp = opaque; int i; for (i = 0; i < sdp->services; i ++) { g_free(sdp->service_list[i].attribute_list[0].pair); g_free(sdp->service_list[i].attribute_list); g_free(sdp->service_list[i].uuid); } g_free(sdp->service_list); g_free(sdp); } struct sdp_def_service_s { uint16_t class_uuid; struct sdp_def_attribute_s { uint16_t id; struct sdp_def_data_element_s { uint8_t type; union { uint32_t uint; const char *str; struct sdp_def_data_element_s *list; } value; } data; } attributes[]; }; /* Calculate a safe byte count to allocate that will store the given * element, at the same time count elements of a UUID type. */ static int sdp_attr_max_size(struct sdp_def_data_element_s *element, int *uuids) { int type = element->type & ~SDP_DSIZE_MASK; int len; if (type == SDP_DTYPE_UINT || type == SDP_DTYPE_UUID || type == SDP_DTYPE_BOOL) { if (type == SDP_DTYPE_UUID) (*uuids) ++; return 1 + (1 << (element->type & SDP_DSIZE_MASK)); } if (type == SDP_DTYPE_STRING || type == SDP_DTYPE_URL) { if (element->type & SDP_DSIZE_MASK) { for (len = 0; element->value.str[len] | element->value.str[len + 1]; len ++); return len; } else return 2 + strlen(element->value.str); } if (type != SDP_DTYPE_SEQ) exit(-1); len = 2; element = element->value.list; while (element->type) len += sdp_attr_max_size(element ++, uuids); if (len > 255) exit (-1); return len; } static int sdp_attr_write(uint8_t *data, struct sdp_def_data_element_s *element, int **uuid) { int type = element->type & ~SDP_DSIZE_MASK; int len = 0; if (type == SDP_DTYPE_UINT || type == SDP_DTYPE_BOOL) { data[len ++] = element->type; if ((element->type & SDP_DSIZE_MASK) == SDP_DSIZE_1) data[len ++] = (element->value.uint >> 0) & 0xff; else if ((element->type & SDP_DSIZE_MASK) == SDP_DSIZE_2) { data[len ++] = (element->value.uint >> 8) & 0xff; data[len ++] = (element->value.uint >> 0) & 0xff; } else if ((element->type & SDP_DSIZE_MASK) == SDP_DSIZE_4) { data[len ++] = (element->value.uint >> 24) & 0xff; data[len ++] = (element->value.uint >> 16) & 0xff; data[len ++] = (element->value.uint >> 8) & 0xff; data[len ++] = (element->value.uint >> 0) & 0xff; } return len; } if (type == SDP_DTYPE_UUID) { *(*uuid) ++ = element->value.uint; data[len ++] = element->type; data[len ++] = (element->value.uint >> 24) & 0xff; data[len ++] = (element->value.uint >> 16) & 0xff; data[len ++] = (element->value.uint >> 8) & 0xff; data[len ++] = (element->value.uint >> 0) & 0xff; memcpy(data + len, bt_base_uuid, 12); return len + 12; } data[0] = type | SDP_DSIZE_NEXT1; if (type == SDP_DTYPE_STRING || type == SDP_DTYPE_URL) { if (element->type & SDP_DSIZE_MASK) for (len = 0; element->value.str[len] | element->value.str[len + 1]; len ++); else len = strlen(element->value.str); memcpy(data + 2, element->value.str, data[1] = len); return len + 2; } len = 2; element = element->value.list; while (element->type) len += sdp_attr_write(data + len, element ++, uuid); data[1] = len - 2; return len; } static int sdp_attributeid_compare(const struct sdp_service_attribute_s *a, const struct sdp_service_attribute_s *b) { return (int) b->attribute_id - a->attribute_id; } static int sdp_uuid_compare(const int *a, const int *b) { return *a - *b; } static void sdp_service_record_build(struct sdp_service_record_s *record, struct sdp_def_service_s *def, int handle) { int len = 0; uint8_t *data; int *uuid; record->uuids = 0; while (def->attributes[record->attributes].data.type) { len += 3; len += sdp_attr_max_size(&def->attributes[record->attributes ++].data, &record->uuids); } assert(len > 0); record->uuids = pow2ceil(record->uuids); record->attribute_list = g_malloc0(record->attributes * sizeof(*record->attribute_list)); record->uuid = g_malloc0(record->uuids * sizeof(*record->uuid)); data = g_malloc(len); record->attributes = 0; uuid = record->uuid; while (def->attributes[record->attributes].data.type) { int attribute_id = def->attributes[record->attributes].id; record->attribute_list[record->attributes].pair = data; record->attribute_list[record->attributes].attribute_id = attribute_id; len = 0; data[len ++] = SDP_DTYPE_UINT | SDP_DSIZE_2; data[len ++] = attribute_id >> 8; data[len ++] = attribute_id & 0xff; len += sdp_attr_write(data + len, &def->attributes[record->attributes].data, &uuid); /* Special case: assign a ServiceRecordHandle in sequence */ if (def->attributes[record->attributes].id == SDP_ATTR_RECORD_HANDLE) def->attributes[record->attributes].data.value.uint = handle; /* Note: we could also assign a ServiceDescription based on * sdp->device.device->lmp_name. */ record->attribute_list[record->attributes ++].len = len; data += len; } /* Sort the attribute list by the AttributeID. The first must be * SDP_ATTR_RECORD_HANDLE so that bt_l2cap_sdp_close_ch can free * the buffer. */ qsort(record->attribute_list, record->attributes, sizeof(*record->attribute_list), (void *) sdp_attributeid_compare); assert(record->attribute_list[0].pair == data); /* Sort the searchable UUIDs list for bisection */ qsort(record->uuid, record->uuids, sizeof(*record->uuid), (void *) sdp_uuid_compare); } static void sdp_service_db_build(struct bt_l2cap_sdp_state_s *sdp, struct sdp_def_service_s **service) { sdp->services = 0; while (service[sdp->services]) sdp->services ++; sdp->service_list = g_malloc0(sdp->services * sizeof(*sdp->service_list)); sdp->services = 0; while (*service) { sdp_service_record_build(&sdp->service_list[sdp->services], *service, sdp->services); service ++; sdp->services ++; } } #define LAST { .type = 0 } #define SERVICE(name, attrs) \ static struct sdp_def_service_s glue(glue(sdp_service_, name), _s) = { \ .attributes = { attrs { .data = LAST } }, \ }; #define ATTRIBUTE(attrid, val) { .id = glue(SDP_ATTR_, attrid), .data = val }, #define UINT8(val) { \ .type = SDP_DTYPE_UINT | SDP_DSIZE_1, \ .value.uint = val, \ }, #define UINT16(val) { \ .type = SDP_DTYPE_UINT | SDP_DSIZE_2, \ .value.uint = val, \ }, #define UINT32(val) { \ .type = SDP_DTYPE_UINT | SDP_DSIZE_4, \ .value.uint = val, \ }, #define UUID128(val) { \ .type = SDP_DTYPE_UUID | SDP_DSIZE_16, \ .value.uint = val, \ }, #define SDP_TRUE { \ .type = SDP_DTYPE_BOOL | SDP_DSIZE_1, \ .value.uint = 1, \ }, #define SDP_FALSE { \ .type = SDP_DTYPE_BOOL | SDP_DSIZE_1, \ .value.uint = 0, \ }, #define STRING(val) { \ .type = SDP_DTYPE_STRING, \ .value.str = val, \ }, #define ARRAY(...) { \ .type = SDP_DTYPE_STRING | SDP_DSIZE_2, \ .value.str = (char []) { __VA_ARGS__, 0, 0 }, \ }, #define URL(val) { \ .type = SDP_DTYPE_URL, \ .value.str = val, \ }, #if 1 #define LIST(val) { \ .type = SDP_DTYPE_SEQ, \ .value.list = (struct sdp_def_data_element_s []) { val LAST }, \ }, #endif /* Try to keep each single attribute below MAX_PDU_OUT_SIZE bytes * in resulting SDP data representation size. */ SERVICE(hid, ATTRIBUTE(RECORD_HANDLE, UINT32(0)) /* Filled in later */ ATTRIBUTE(SVCLASS_ID_LIST, LIST(UUID128(HID_SVCLASS_ID))) ATTRIBUTE(RECORD_STATE, UINT32(1)) ATTRIBUTE(PROTO_DESC_LIST, LIST( LIST(UUID128(L2CAP_UUID) UINT16(BT_PSM_HID_CTRL)) LIST(UUID128(HIDP_UUID)) )) ATTRIBUTE(BROWSE_GRP_LIST, LIST(UUID128(0x1002))) ATTRIBUTE(LANG_BASE_ATTR_ID_LIST, LIST( UINT16(0x656e) UINT16(0x006a) UINT16(0x0100) )) ATTRIBUTE(PFILE_DESC_LIST, LIST( LIST(UUID128(HID_PROFILE_ID) UINT16(0x0100)) )) ATTRIBUTE(DOC_URL, URL("http://bellard.org/qemu/user-doc.html")) ATTRIBUTE(SVCNAME_PRIMARY, STRING("QEMU Bluetooth HID")) ATTRIBUTE(SVCDESC_PRIMARY, STRING("QEMU Keyboard/Mouse")) ATTRIBUTE(SVCPROV_PRIMARY, STRING("QEMU")) /* Profile specific */ ATTRIBUTE(DEVICE_RELEASE_NUMBER, UINT16(0x0091)) /* Deprecated, remove */ ATTRIBUTE(PARSER_VERSION, UINT16(0x0111)) /* TODO: extract from l2cap_device->device.class[0] */ ATTRIBUTE(DEVICE_SUBCLASS, UINT8(0x40)) ATTRIBUTE(COUNTRY_CODE, UINT8(0x15)) ATTRIBUTE(VIRTUAL_CABLE, SDP_TRUE) ATTRIBUTE(RECONNECT_INITIATE, SDP_FALSE) /* TODO: extract from hid->usbdev->report_desc */ ATTRIBUTE(DESCRIPTOR_LIST, LIST( LIST(UINT8(0x22) ARRAY( 0x05, 0x01, /* Usage Page (Generic Desktop) */ 0x09, 0x06, /* Usage (Keyboard) */ 0xa1, 0x01, /* Collection (Application) */ 0x75, 0x01, /* Report Size (1) */ 0x95, 0x08, /* Report Count (8) */ 0x05, 0x07, /* Usage Page (Key Codes) */ 0x19, 0xe0, /* Usage Minimum (224) */ 0x29, 0xe7, /* Usage Maximum (231) */ 0x15, 0x00, /* Logical Minimum (0) */ 0x25, 0x01, /* Logical Maximum (1) */ 0x81, 0x02, /* Input (Data, Variable, Absolute) */ 0x95, 0x01, /* Report Count (1) */ 0x75, 0x08, /* Report Size (8) */ 0x81, 0x01, /* Input (Constant) */ 0x95, 0x05, /* Report Count (5) */ 0x75, 0x01, /* Report Size (1) */ 0x05, 0x08, /* Usage Page (LEDs) */ 0x19, 0x01, /* Usage Minimum (1) */ 0x29, 0x05, /* Usage Maximum (5) */ 0x91, 0x02, /* Output (Data, Variable, Absolute) */ 0x95, 0x01, /* Report Count (1) */ 0x75, 0x03, /* Report Size (3) */ 0x91, 0x01, /* Output (Constant) */ 0x95, 0x06, /* Report Count (6) */ 0x75, 0x08, /* Report Size (8) */ 0x15, 0x00, /* Logical Minimum (0) */ 0x25, 0xff, /* Logical Maximum (255) */ 0x05, 0x07, /* Usage Page (Key Codes) */ 0x19, 0x00, /* Usage Minimum (0) */ 0x29, 0xff, /* Usage Maximum (255) */ 0x81, 0x00, /* Input (Data, Array) */ 0xc0 /* End Collection */ )))) ATTRIBUTE(LANG_ID_BASE_LIST, LIST( LIST(UINT16(0x0409) UINT16(0x0100)) )) ATTRIBUTE(SDP_DISABLE, SDP_FALSE) ATTRIBUTE(BATTERY_POWER, SDP_TRUE) ATTRIBUTE(REMOTE_WAKEUP, SDP_TRUE) ATTRIBUTE(BOOT_DEVICE, SDP_TRUE) /* XXX: untested */ ATTRIBUTE(SUPERVISION_TIMEOUT, UINT16(0x0c80)) ATTRIBUTE(NORMALLY_CONNECTABLE, SDP_TRUE) ATTRIBUTE(PROFILE_VERSION, UINT16(0x0100)) ) SERVICE(sdp, ATTRIBUTE(RECORD_HANDLE, UINT32(0)) /* Filled in later */ ATTRIBUTE(SVCLASS_ID_LIST, LIST(UUID128(SDP_SERVER_SVCLASS_ID))) ATTRIBUTE(RECORD_STATE, UINT32(1)) ATTRIBUTE(PROTO_DESC_LIST, LIST( LIST(UUID128(L2CAP_UUID) UINT16(BT_PSM_SDP)) LIST(UUID128(SDP_UUID)) )) ATTRIBUTE(BROWSE_GRP_LIST, LIST(UUID128(0x1002))) ATTRIBUTE(LANG_BASE_ATTR_ID_LIST, LIST( UINT16(0x656e) UINT16(0x006a) UINT16(0x0100) )) ATTRIBUTE(PFILE_DESC_LIST, LIST( LIST(UUID128(SDP_SERVER_PROFILE_ID) UINT16(0x0100)) )) ATTRIBUTE(DOC_URL, URL("http://bellard.org/qemu/user-doc.html")) ATTRIBUTE(SVCPROV_PRIMARY, STRING("QEMU")) /* Profile specific */ ATTRIBUTE(VERSION_NUM_LIST, LIST(UINT16(0x0100))) ATTRIBUTE(SVCDB_STATE , UINT32(1)) ) SERVICE(pnp, ATTRIBUTE(RECORD_HANDLE, UINT32(0)) /* Filled in later */ ATTRIBUTE(SVCLASS_ID_LIST, LIST(UUID128(PNP_INFO_SVCLASS_ID))) ATTRIBUTE(RECORD_STATE, UINT32(1)) ATTRIBUTE(PROTO_DESC_LIST, LIST( LIST(UUID128(L2CAP_UUID) UINT16(BT_PSM_SDP)) LIST(UUID128(SDP_UUID)) )) ATTRIBUTE(BROWSE_GRP_LIST, LIST(UUID128(0x1002))) ATTRIBUTE(LANG_BASE_ATTR_ID_LIST, LIST( UINT16(0x656e) UINT16(0x006a) UINT16(0x0100) )) ATTRIBUTE(PFILE_DESC_LIST, LIST( LIST(UUID128(PNP_INFO_PROFILE_ID) UINT16(0x0100)) )) ATTRIBUTE(DOC_URL, URL("http://bellard.org/qemu/user-doc.html")) ATTRIBUTE(SVCPROV_PRIMARY, STRING("QEMU")) /* Profile specific */ ATTRIBUTE(SPECIFICATION_ID, UINT16(0x0100)) ATTRIBUTE(VERSION, UINT16(0x0100)) ATTRIBUTE(PRIMARY_RECORD, SDP_TRUE) ) static int bt_l2cap_sdp_new_ch(struct bt_l2cap_device_s *dev, struct bt_l2cap_conn_params_s *params) { struct bt_l2cap_sdp_state_s *sdp = g_malloc0(sizeof(*sdp)); struct sdp_def_service_s *services[] = { &sdp_service_sdp_s, &sdp_service_hid_s, &sdp_service_pnp_s, NULL, }; sdp->channel = params; sdp->channel->opaque = sdp; sdp->channel->close = bt_l2cap_sdp_close_ch; sdp->channel->sdu_in = bt_l2cap_sdp_sdu_in; sdp_service_db_build(sdp, services); return 0; } void bt_l2cap_sdp_init(struct bt_l2cap_device_s *dev) { bt_l2cap_psm_register(dev, BT_PSM_SDP, MAX_PDU_OUT_SIZE, bt_l2cap_sdp_new_ch); }