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-rw-r--r--drive-sdk/deps/bzle/src/sdp.c4940
1 files changed, 4940 insertions, 0 deletions
diff --git a/drive-sdk/deps/bzle/src/sdp.c b/drive-sdk/deps/bzle/src/sdp.c
new file mode 100644
index 0000000..1b0939e
--- /dev/null
+++ b/drive-sdk/deps/bzle/src/sdp.c
@@ -0,0 +1,4940 @@
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2001-2002 Nokia Corporation
+ * Copyright (C) 2002-2003 Maxim Krasnyansky <maxk@qualcomm.com>
+ * Copyright (C) 2002-2010 Marcel Holtmann <marcel@holtmann.org>
+ * Copyright (C) 2002-2003 Stephen Crane <steve.crane@rococosoft.com>
+ *
+ *
+ * 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 <stdio.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <string.h>
+#include <syslog.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <netinet/in.h>
+
+#include <bzle/bluetooth/bluetooth.h>
+#include <bzle/bluetooth/hci.h>
+#include <bzle/bluetooth/hci_lib.h>
+#include <bzle/bluetooth/l2cap.h>
+#include <bzle/bluetooth/sdp.h>
+#include <bzle/bluetooth/sdp_lib.h>
+
+#define SDPINF(fmt, arg...) syslog(LOG_INFO, fmt "\n", ## arg)
+#define SDPERR(fmt, arg...) syslog(LOG_ERR, "%s: " fmt "\n", __func__ , ## arg)
+
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+
+#ifdef SDP_DEBUG
+#define SDPDBG(fmt, arg...) syslog(LOG_DEBUG, "%s: " fmt "\n", __func__ , ## arg)
+#else
+#define SDPDBG(fmt...)
+#endif
+
+static uint128_t bluetooth_base_uuid = {
+ .data = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
+ 0x80, 0x00, 0x00, 0x80, 0x5F, 0x9B, 0x34, 0xFB }
+};
+
+#define SDP_MAX_ATTR_LEN 65535
+
+/* match MTU used by RFCOMM */
+#define SDP_LARGE_L2CAP_MTU 1013
+
+static sdp_data_t *sdp_copy_seq(sdp_data_t *data);
+static int sdp_attr_add_new_with_length(sdp_record_t *rec,
+ uint16_t attr, uint8_t dtd, const void *value, uint32_t len);
+static int sdp_gen_buffer(sdp_buf_t *buf, sdp_data_t *d);
+
+/* Message structure. */
+struct tupla {
+ int index;
+ char *str;
+};
+
+static struct tupla Protocol[] = {
+ { SDP_UUID, "SDP" },
+ { UDP_UUID, "UDP" },
+ { RFCOMM_UUID, "RFCOMM" },
+ { TCP_UUID, "TCP" },
+ { TCS_BIN_UUID, "TCS-BIN" },
+ { TCS_AT_UUID, "TCS-AT" },
+ { OBEX_UUID, "OBEX" },
+ { IP_UUID, "IP" },
+ { FTP_UUID, "FTP" },
+ { HTTP_UUID, "HTTP" },
+ { WSP_UUID, "WSP" },
+ { BNEP_UUID, "BNEP" },
+ { UPNP_UUID, "UPNP" },
+ { HIDP_UUID, "HIDP" },
+ { HCRP_CTRL_UUID, "HCRP-Ctrl" },
+ { HCRP_DATA_UUID, "HCRP-Data" },
+ { HCRP_NOTE_UUID, "HCRP-Notify" },
+ { AVCTP_UUID, "AVCTP" },
+ { AVDTP_UUID, "AVDTP" },
+ { CMTP_UUID, "CMTP" },
+ { UDI_UUID, "UDI" },
+ { MCAP_CTRL_UUID, "MCAP-Ctrl" },
+ { MCAP_DATA_UUID, "MCAP-Data" },
+ { L2CAP_UUID, "L2CAP" },
+ { ATT_UUID, "ATT" },
+ { 0 }
+};
+
+static struct tupla ServiceClass[] = {
+ { SDP_SERVER_SVCLASS_ID, "SDP Server" },
+ { BROWSE_GRP_DESC_SVCLASS_ID, "Browse Group Descriptor" },
+ { PUBLIC_BROWSE_GROUP, "Public Browse Group" },
+ { SERIAL_PORT_SVCLASS_ID, "Serial Port" },
+ { LAN_ACCESS_SVCLASS_ID, "LAN Access Using PPP" },
+ { DIALUP_NET_SVCLASS_ID, "Dialup Networking" },
+ { IRMC_SYNC_SVCLASS_ID, "IrMC Sync" },
+ { OBEX_OBJPUSH_SVCLASS_ID, "OBEX Object Push" },
+ { OBEX_FILETRANS_SVCLASS_ID, "OBEX File Transfer" },
+ { IRMC_SYNC_CMD_SVCLASS_ID, "IrMC Sync Command" },
+ { HEADSET_SVCLASS_ID, "Headset" },
+ { CORDLESS_TELEPHONY_SVCLASS_ID, "Cordless Telephony" },
+ { AUDIO_SOURCE_SVCLASS_ID, "Audio Source" },
+ { AUDIO_SINK_SVCLASS_ID, "Audio Sink" },
+ { AV_REMOTE_TARGET_SVCLASS_ID, "AV Remote Target" },
+ { ADVANCED_AUDIO_SVCLASS_ID, "Advanced Audio" },
+ { AV_REMOTE_SVCLASS_ID, "AV Remote" },
+ { AV_REMOTE_CONTROLLER_SVCLASS_ID, "AV Remote Controller" },
+ { INTERCOM_SVCLASS_ID, "Intercom" },
+ { FAX_SVCLASS_ID, "Fax" },
+ { HEADSET_AGW_SVCLASS_ID, "Headset Audio Gateway" },
+ { WAP_SVCLASS_ID, "WAP" },
+ { WAP_CLIENT_SVCLASS_ID, "WAP Client" },
+ { PANU_SVCLASS_ID, "PAN User" },
+ { NAP_SVCLASS_ID, "Network Access Point" },
+ { GN_SVCLASS_ID, "PAN Group Network" },
+ { DIRECT_PRINTING_SVCLASS_ID, "Direct Printing" },
+ { REFERENCE_PRINTING_SVCLASS_ID, "Reference Printing" },
+ { IMAGING_SVCLASS_ID, "Imaging" },
+ { IMAGING_RESPONDER_SVCLASS_ID, "Imaging Responder" },
+ { IMAGING_ARCHIVE_SVCLASS_ID, "Imaging Automatic Archive" },
+ { IMAGING_REFOBJS_SVCLASS_ID, "Imaging Referenced Objects" },
+ { HANDSFREE_SVCLASS_ID, "Handsfree" },
+ { HANDSFREE_AGW_SVCLASS_ID, "Handsfree Audio Gateway" },
+ { DIRECT_PRT_REFOBJS_SVCLASS_ID, "Direct Printing Ref. Objects" },
+ { REFLECTED_UI_SVCLASS_ID, "Reflected UI" },
+ { BASIC_PRINTING_SVCLASS_ID, "Basic Printing" },
+ { PRINTING_STATUS_SVCLASS_ID, "Printing Status" },
+ { HID_SVCLASS_ID, "Human Interface Device" },
+ { HCR_SVCLASS_ID, "Hardcopy Cable Replacement" },
+ { HCR_PRINT_SVCLASS_ID, "HCR Print" },
+ { HCR_SCAN_SVCLASS_ID, "HCR Scan" },
+ { CIP_SVCLASS_ID, "Common ISDN Access" },
+ { VIDEO_CONF_GW_SVCLASS_ID, "Video Conferencing Gateway" },
+ { UDI_MT_SVCLASS_ID, "UDI MT" },
+ { UDI_TA_SVCLASS_ID, "UDI TA" },
+ { AV_SVCLASS_ID, "Audio/Video" },
+ { SAP_SVCLASS_ID, "SIM Access" },
+ { PBAP_PCE_SVCLASS_ID, "Phonebook Access - PCE" },
+ { PBAP_PSE_SVCLASS_ID, "Phonebook Access - PSE" },
+ { PBAP_SVCLASS_ID, "Phonebook Access" },
+ { MAP_MSE_SVCLASS_ID, "Message Access - MAS" },
+ { MAP_MCE_SVCLASS_ID, "Message Access - MNS" },
+ { MAP_SVCLASS_ID, "Message Access" },
+ { PNP_INFO_SVCLASS_ID, "PnP Information" },
+ { GENERIC_NETWORKING_SVCLASS_ID, "Generic Networking" },
+ { GENERIC_FILETRANS_SVCLASS_ID, "Generic File Transfer" },
+ { GENERIC_AUDIO_SVCLASS_ID, "Generic Audio" },
+ { GENERIC_TELEPHONY_SVCLASS_ID, "Generic Telephony" },
+ { UPNP_SVCLASS_ID, "UPnP" },
+ { UPNP_IP_SVCLASS_ID, "UPnP IP" },
+ { UPNP_PAN_SVCLASS_ID, "UPnP PAN" },
+ { UPNP_LAP_SVCLASS_ID, "UPnP LAP" },
+ { UPNP_L2CAP_SVCLASS_ID, "UPnP L2CAP" },
+ { VIDEO_SOURCE_SVCLASS_ID, "Video Source" },
+ { VIDEO_SINK_SVCLASS_ID, "Video Sink" },
+ { VIDEO_DISTRIBUTION_SVCLASS_ID, "Video Distribution" },
+ { HDP_SVCLASS_ID, "HDP" },
+ { HDP_SOURCE_SVCLASS_ID, "HDP Source" },
+ { HDP_SINK_SVCLASS_ID, "HDP Sink" },
+ { GENERIC_ACCESS_SVCLASS_ID, "Generic Access" },
+ { GENERIC_ATTRIB_SVCLASS_ID, "Generic Attribute" },
+ { APPLE_AGENT_SVCLASS_ID, "Apple Agent" },
+ { 0 }
+};
+
+#define Profile ServiceClass
+
+static char *string_lookup(struct tupla *pt0, int index)
+{
+ struct tupla *pt;
+
+ for (pt = pt0; pt->index; pt++)
+ if (pt->index == index)
+ return pt->str;
+
+ return "";
+}
+
+static char *string_lookup_uuid(struct tupla *pt0, const uuid_t *uuid)
+{
+ uuid_t tmp_uuid;
+
+ memcpy(&tmp_uuid, uuid, sizeof(tmp_uuid));
+
+ if (sdp_uuid128_to_uuid(&tmp_uuid)) {
+ switch (tmp_uuid.type) {
+ case SDP_UUID16:
+ return string_lookup(pt0, tmp_uuid.value.uuid16);
+ case SDP_UUID32:
+ return string_lookup(pt0, tmp_uuid.value.uuid32);
+ }
+ }
+
+ return "";
+}
+
+/*
+ * Prints into a string the Protocol UUID
+ * coping a maximum of n characters.
+ */
+static int uuid2str(struct tupla *message, const uuid_t *uuid, char *str, size_t n)
+{
+ char *str2;
+
+ if (!uuid) {
+ snprintf(str, n, "NULL");
+ return -2;
+ }
+
+ switch (uuid->type) {
+ case SDP_UUID16:
+ str2 = string_lookup(message, uuid->value.uuid16);
+ snprintf(str, n, "%s", str2);
+ break;
+ case SDP_UUID32:
+ str2 = string_lookup(message, uuid->value.uuid32);
+ snprintf(str, n, "%s", str2);
+ break;
+ case SDP_UUID128:
+ str2 = string_lookup_uuid(message, uuid);
+ snprintf(str, n, "%s", str2);
+ break;
+ default:
+ snprintf(str, n, "Type of UUID (%x) unknown.", uuid->type);
+ return -1;
+ }
+
+ return 0;
+}
+
+int sdp_proto_uuid2strn(const uuid_t *uuid, char *str, size_t n)
+{
+ return uuid2str(Protocol, uuid, str, n);
+}
+
+int sdp_svclass_uuid2strn(const uuid_t *uuid, char *str, size_t n)
+{
+ return uuid2str(ServiceClass, uuid, str, n);
+}
+
+int sdp_profile_uuid2strn(const uuid_t *uuid, char *str, size_t n)
+{
+ return uuid2str(Profile, uuid, str, n);
+}
+
+/*
+ * convert the UUID to string, copying a maximum of n characters.
+ */
+int sdp_uuid2strn(const uuid_t *uuid, char *str, size_t n)
+{
+ if (!uuid) {
+ snprintf(str, n, "NULL");
+ return -2;
+ }
+ switch (uuid->type) {
+ case SDP_UUID16:
+ snprintf(str, n, "%.4x", uuid->value.uuid16);
+ break;
+ case SDP_UUID32:
+ snprintf(str, n, "%.8x", uuid->value.uuid32);
+ break;
+ case SDP_UUID128:{
+ unsigned int data0;
+ unsigned short data1;
+ unsigned short data2;
+ unsigned short data3;
+ unsigned int data4;
+ unsigned short data5;
+
+ memcpy(&data0, &uuid->value.uuid128.data[0], 4);
+ memcpy(&data1, &uuid->value.uuid128.data[4], 2);
+ memcpy(&data2, &uuid->value.uuid128.data[6], 2);
+ memcpy(&data3, &uuid->value.uuid128.data[8], 2);
+ memcpy(&data4, &uuid->value.uuid128.data[10], 4);
+ memcpy(&data5, &uuid->value.uuid128.data[14], 2);
+
+ snprintf(str, n, "%.8x-%.4x-%.4x-%.4x-%.8x%.4x",
+ ntohl(data0), ntohs(data1),
+ ntohs(data2), ntohs(data3),
+ ntohl(data4), ntohs(data5));
+ }
+ break;
+ default:
+ snprintf(str, n, "Type of UUID (%x) unknown.", uuid->type);
+ return -1; /* Enum type of UUID not set */
+ }
+ return 0;
+}
+
+#ifdef SDP_DEBUG
+/*
+ * Function prints the UUID in hex as per defined syntax -
+ *
+ * 4bytes-2bytes-2bytes-2bytes-6bytes
+ *
+ * There is some ugly code, including hardcoding, but
+ * that is just the way it is converting 16 and 32 bit
+ * UUIDs to 128 bit as defined in the SDP doc
+ */
+void sdp_uuid_print(const uuid_t *uuid)
+{
+ if (uuid == NULL) {
+ SDPERR("Null passed to print UUID");
+ return;
+ }
+ if (uuid->type == SDP_UUID16) {
+ SDPDBG(" uint16_t : 0x%.4x", uuid->value.uuid16);
+ } else if (uuid->type == SDP_UUID32) {
+ SDPDBG(" uint32_t : 0x%.8x", uuid->value.uuid32);
+ } else if (uuid->type == SDP_UUID128) {
+ unsigned int data0;
+ unsigned short data1;
+ unsigned short data2;
+ unsigned short data3;
+ unsigned int data4;
+ unsigned short data5;
+
+ memcpy(&data0, &uuid->value.uuid128.data[0], 4);
+ memcpy(&data1, &uuid->value.uuid128.data[4], 2);
+ memcpy(&data2, &uuid->value.uuid128.data[6], 2);
+ memcpy(&data3, &uuid->value.uuid128.data[8], 2);
+ memcpy(&data4, &uuid->value.uuid128.data[10], 4);
+ memcpy(&data5, &uuid->value.uuid128.data[14], 2);
+
+ SDPDBG(" uint128_t : 0x%.8x-%.4x-%.4x-%.4x-%.8x%.4x",
+ ntohl(data0), ntohs(data1), ntohs(data2),
+ ntohs(data3), ntohl(data4), ntohs(data5));
+ } else
+ SDPERR("Enum type of UUID not set");
+}
+#endif
+
+sdp_data_t *sdp_data_alloc_with_length(uint8_t dtd, const void *value,
+ uint32_t length)
+{
+ sdp_data_t *seq;
+ sdp_data_t *d = malloc(sizeof(sdp_data_t));
+
+ if (!d)
+ return NULL;
+
+ memset(d, 0, sizeof(sdp_data_t));
+ d->dtd = dtd;
+ d->unitSize = sizeof(uint8_t);
+
+ switch (dtd) {
+ case SDP_DATA_NIL:
+ break;
+ case SDP_UINT8:
+ d->val.uint8 = *(uint8_t *) value;
+ d->unitSize += sizeof(uint8_t);
+ break;
+ case SDP_INT8:
+ case SDP_BOOL:
+ d->val.int8 = *(int8_t *) value;
+ d->unitSize += sizeof(int8_t);
+ break;
+ case SDP_UINT16:
+ d->val.uint16 = bt_get_unaligned((uint16_t *) value);
+ d->unitSize += sizeof(uint16_t);
+ break;
+ case SDP_INT16:
+ d->val.int16 = bt_get_unaligned((int16_t *) value);
+ d->unitSize += sizeof(int16_t);
+ break;
+ case SDP_UINT32:
+ d->val.uint32 = bt_get_unaligned((uint32_t *) value);
+ d->unitSize += sizeof(uint32_t);
+ break;
+ case SDP_INT32:
+ d->val.int32 = bt_get_unaligned((int32_t *) value);
+ d->unitSize += sizeof(int32_t);
+ break;
+ case SDP_INT64:
+ d->val.int64 = bt_get_unaligned((int64_t *) value);
+ d->unitSize += sizeof(int64_t);
+ break;
+ case SDP_UINT64:
+ d->val.uint64 = bt_get_unaligned((uint64_t *) value);
+ d->unitSize += sizeof(uint64_t);
+ break;
+ case SDP_UINT128:
+ memcpy(&d->val.uint128.data, value, sizeof(uint128_t));
+ d->unitSize += sizeof(uint128_t);
+ break;
+ case SDP_INT128:
+ memcpy(&d->val.int128.data, value, sizeof(uint128_t));
+ d->unitSize += sizeof(uint128_t);
+ break;
+ case SDP_UUID16:
+ sdp_uuid16_create(&d->val.uuid, bt_get_unaligned((uint16_t *) value));
+ d->unitSize += sizeof(uint16_t);
+ break;
+ case SDP_UUID32:
+ sdp_uuid32_create(&d->val.uuid, bt_get_unaligned((uint32_t *) value));
+ d->unitSize += sizeof(uint32_t);
+ break;
+ case SDP_UUID128:
+ sdp_uuid128_create(&d->val.uuid, value);
+ d->unitSize += sizeof(uint128_t);
+ break;
+ case SDP_URL_STR8:
+ case SDP_URL_STR16:
+ case SDP_TEXT_STR8:
+ case SDP_TEXT_STR16:
+ if (!value) {
+ free(d);
+ return NULL;
+ }
+
+ d->unitSize += length;
+ if (length <= USHRT_MAX) {
+ d->val.str = malloc(length);
+ if (!d->val.str) {
+ free(d);
+ return NULL;
+ }
+
+ memcpy(d->val.str, value, length);
+ } else {
+ SDPERR("Strings of size > USHRT_MAX not supported");
+ free(d);
+ d = NULL;
+ }
+ break;
+ case SDP_URL_STR32:
+ case SDP_TEXT_STR32:
+ SDPERR("Strings of size > USHRT_MAX not supported");
+ break;
+ case SDP_ALT8:
+ case SDP_ALT16:
+ case SDP_ALT32:
+ case SDP_SEQ8:
+ case SDP_SEQ16:
+ case SDP_SEQ32:
+ if (dtd == SDP_ALT8 || dtd == SDP_SEQ8)
+ d->unitSize += sizeof(uint8_t);
+ else if (dtd == SDP_ALT16 || dtd == SDP_SEQ16)
+ d->unitSize += sizeof(uint16_t);
+ else if (dtd == SDP_ALT32 || dtd == SDP_SEQ32)
+ d->unitSize += sizeof(uint32_t);
+ seq = (sdp_data_t *)value;
+ d->val.dataseq = seq;
+ for (; seq; seq = seq->next)
+ d->unitSize += seq->unitSize;
+ break;
+ default:
+ free(d);
+ d = NULL;
+ }
+
+ return d;
+}
+
+sdp_data_t *sdp_data_alloc(uint8_t dtd, const void *value)
+{
+ uint32_t length;
+
+ switch (dtd) {
+ case SDP_URL_STR8:
+ case SDP_URL_STR16:
+ case SDP_TEXT_STR8:
+ case SDP_TEXT_STR16:
+ if (!value)
+ return NULL;
+
+ length = strlen((char *) value);
+ break;
+ default:
+ length = 0;
+ break;
+ }
+
+ return sdp_data_alloc_with_length(dtd, value, length);
+}
+
+sdp_data_t *sdp_seq_append(sdp_data_t *seq, sdp_data_t *d)
+{
+ if (seq) {
+ sdp_data_t *p;
+ for (p = seq; p->next; p = p->next);
+ p->next = d;
+ } else
+ seq = d;
+ d->next = NULL;
+ return seq;
+}
+
+sdp_data_t *sdp_seq_alloc_with_length(void **dtds, void **values, int *length,
+ int len)
+{
+ sdp_data_t *curr = NULL, *seq = NULL;
+ int i;
+
+ for (i = 0; i < len; i++) {
+ sdp_data_t *data;
+ int8_t dtd = *(uint8_t *) dtds[i];
+
+ if (dtd >= SDP_SEQ8 && dtd <= SDP_ALT32)
+ data = (sdp_data_t *) values[i];
+ else
+ data = sdp_data_alloc_with_length(dtd, values[i], length[i]);
+
+ if (!data)
+ return NULL;
+
+ if (curr)
+ curr->next = data;
+ else
+ seq = data;
+
+ curr = data;
+ }
+
+ return sdp_data_alloc(SDP_SEQ8, seq);
+}
+
+sdp_data_t *sdp_seq_alloc(void **dtds, void **values, int len)
+{
+ sdp_data_t *curr = NULL, *seq = NULL;
+ int i;
+
+ for (i = 0; i < len; i++) {
+ sdp_data_t *data;
+ uint8_t dtd = *(uint8_t *) dtds[i];
+
+ if (dtd >= SDP_SEQ8 && dtd <= SDP_ALT32)
+ data = (sdp_data_t *) values[i];
+ else
+ data = sdp_data_alloc(dtd, values[i]);
+
+ if (!data)
+ return NULL;
+
+ if (curr)
+ curr->next = data;
+ else
+ seq = data;
+
+ curr = data;
+ }
+
+ return sdp_data_alloc(SDP_SEQ8, seq);
+}
+
+static void extract_svclass_uuid(sdp_data_t *data, uuid_t *uuid)
+{
+ sdp_data_t *d;
+
+ if (!data || !SDP_IS_SEQ(data->dtd))
+ return;
+
+ d = data->val.dataseq;
+ if (!d)
+ return;
+
+ if (d->dtd < SDP_UUID16 || d->dtd > SDP_UUID128)
+ return;
+
+ *uuid = d->val.uuid;
+}
+
+int sdp_attr_add(sdp_record_t *rec, uint16_t attr, sdp_data_t *d)
+{
+ sdp_data_t *p = sdp_data_get(rec, attr);
+
+ if (p)
+ return -1;
+
+ d->attrId = attr;
+ rec->attrlist = sdp_list_insert_sorted(rec->attrlist, d, sdp_attrid_comp_func);
+
+ if (attr == SDP_ATTR_SVCLASS_ID_LIST)
+ extract_svclass_uuid(d, &rec->svclass);
+
+ return 0;
+}
+
+void sdp_attr_remove(sdp_record_t *rec, uint16_t attr)
+{
+ sdp_data_t *d = sdp_data_get(rec, attr);
+
+ if (d)
+ rec->attrlist = sdp_list_remove(rec->attrlist, d);
+
+ if (attr == SDP_ATTR_SVCLASS_ID_LIST)
+ memset(&rec->svclass, 0, sizeof(rec->svclass));
+}
+
+void sdp_set_seq_len(uint8_t *ptr, uint32_t length)
+{
+ uint8_t dtd = *ptr++;
+
+ switch (dtd) {
+ case SDP_SEQ8:
+ case SDP_ALT8:
+ case SDP_TEXT_STR8:
+ case SDP_URL_STR8:
+ *ptr = (uint8_t) length;
+ break;
+ case SDP_SEQ16:
+ case SDP_ALT16:
+ case SDP_TEXT_STR16:
+ case SDP_URL_STR16:
+ bt_put_be16(length, ptr);
+ break;
+ case SDP_SEQ32:
+ case SDP_ALT32:
+ case SDP_TEXT_STR32:
+ case SDP_URL_STR32:
+ bt_put_be32(length, ptr);
+ break;
+ }
+}
+
+static int sdp_get_data_type_size(uint8_t dtd)
+{
+ int size = sizeof(uint8_t);
+
+ switch (dtd) {
+ case SDP_SEQ8:
+ case SDP_TEXT_STR8:
+ case SDP_URL_STR8:
+ case SDP_ALT8:
+ size += sizeof(uint8_t);
+ break;
+ case SDP_SEQ16:
+ case SDP_TEXT_STR16:
+ case SDP_URL_STR16:
+ case SDP_ALT16:
+ size += sizeof(uint16_t);
+ break;
+ case SDP_SEQ32:
+ case SDP_TEXT_STR32:
+ case SDP_URL_STR32:
+ case SDP_ALT32:
+ size += sizeof(uint32_t);
+ break;
+ }
+
+ return size;
+}
+
+void sdp_set_attrid(sdp_buf_t *buf, uint16_t attr)
+{
+ uint8_t *p = buf->data;
+
+ /* data type for attr */
+ *p++ = SDP_UINT16;
+ buf->data_size = sizeof(uint8_t);
+ bt_put_be16(attr, p);
+ buf->data_size += sizeof(uint16_t);
+}
+
+static int get_data_size(sdp_buf_t *buf, sdp_data_t *sdpdata)
+{
+ sdp_data_t *d;
+ int n = 0;
+
+ for (d = sdpdata->val.dataseq; d; d = d->next) {
+ if (buf->data)
+ n += sdp_gen_pdu(buf, d);
+ else
+ n += sdp_gen_buffer(buf, d);
+ }
+
+ return n;
+}
+
+static int sdp_get_data_size(sdp_buf_t *buf, sdp_data_t *d)
+{
+ uint32_t data_size = 0;
+ uint8_t dtd = d->dtd;
+
+ switch (dtd) {
+ case SDP_DATA_NIL:
+ break;
+ case SDP_UINT8:
+ data_size = sizeof(uint8_t);
+ break;
+ case SDP_UINT16:
+ data_size = sizeof(uint16_t);
+ break;
+ case SDP_UINT32:
+ data_size = sizeof(uint32_t);
+ break;
+ case SDP_UINT64:
+ data_size = sizeof(uint64_t);
+ break;
+ case SDP_UINT128:
+ data_size = sizeof(uint128_t);
+ break;
+ case SDP_INT8:
+ case SDP_BOOL:
+ data_size = sizeof(int8_t);
+ break;
+ case SDP_INT16:
+ data_size = sizeof(int16_t);
+ break;
+ case SDP_INT32:
+ data_size = sizeof(int32_t);
+ break;
+ case SDP_INT64:
+ data_size = sizeof(int64_t);
+ break;
+ case SDP_INT128:
+ data_size = sizeof(uint128_t);
+ break;
+ case SDP_TEXT_STR8:
+ case SDP_TEXT_STR16:
+ case SDP_TEXT_STR32:
+ case SDP_URL_STR8:
+ case SDP_URL_STR16:
+ case SDP_URL_STR32:
+ data_size = d->unitSize - sizeof(uint8_t);
+ break;
+ case SDP_SEQ8:
+ case SDP_SEQ16:
+ case SDP_SEQ32:
+ data_size = get_data_size(buf, d);
+ break;
+ case SDP_ALT8:
+ case SDP_ALT16:
+ case SDP_ALT32:
+ data_size = get_data_size(buf, d);
+ break;
+ case SDP_UUID16:
+ data_size = sizeof(uint16_t);
+ break;
+ case SDP_UUID32:
+ data_size = sizeof(uint32_t);
+ break;
+ case SDP_UUID128:
+ data_size = sizeof(uint128_t);
+ break;
+ default:
+ break;
+ }
+
+ return data_size;
+}
+
+static int sdp_gen_buffer(sdp_buf_t *buf, sdp_data_t *d)
+{
+ int orig = buf->buf_size;
+
+ if (buf->buf_size == 0 && d->dtd == 0) {
+ /* create initial sequence */
+ buf->buf_size += sizeof(uint8_t);
+
+ /* reserve space for sequence size */
+ buf->buf_size += sizeof(uint8_t);
+ }
+
+ /* attribute length */
+ buf->buf_size += sizeof(uint8_t) + sizeof(uint16_t);
+
+ buf->buf_size += sdp_get_data_type_size(d->dtd);
+ buf->buf_size += sdp_get_data_size(buf, d);
+
+ if (buf->buf_size > UCHAR_MAX && d->dtd == SDP_SEQ8)
+ buf->buf_size += sizeof(uint8_t);
+
+ return buf->buf_size - orig;
+}
+
+int sdp_gen_pdu(sdp_buf_t *buf, sdp_data_t *d)
+{
+ uint32_t pdu_size, data_size;
+ unsigned char *src = NULL, is_seq = 0, is_alt = 0;
+ uint16_t u16;
+ uint32_t u32;
+ uint64_t u64;
+ uint128_t u128;
+ uint8_t *seqp = buf->data + buf->data_size;
+ uint32_t orig_data_size = buf->data_size;
+
+recalculate:
+ pdu_size = sdp_get_data_type_size(d->dtd);
+ buf->data_size += pdu_size;
+
+ data_size = sdp_get_data_size(buf, d);
+ if (data_size > UCHAR_MAX && d->dtd == SDP_SEQ8) {
+ buf->data_size = orig_data_size;
+ d->dtd = SDP_SEQ16;
+ goto recalculate;
+ }
+
+ *seqp = d->dtd;
+
+ switch (d->dtd) {
+ case SDP_DATA_NIL:
+ break;
+ case SDP_UINT8:
+ src = &d->val.uint8;
+ break;
+ case SDP_UINT16:
+ u16 = htons(d->val.uint16);
+ src = (unsigned char *) &u16;
+ break;
+ case SDP_UINT32:
+ u32 = htonl(d->val.uint32);
+ src = (unsigned char *) &u32;
+ break;
+ case SDP_UINT64:
+ u64 = hton64(d->val.uint64);
+ src = (unsigned char *) &u64;
+ break;
+ case SDP_UINT128:
+ hton128(&d->val.uint128, &u128);
+ src = (unsigned char *) &u128;
+ break;
+ case SDP_INT8:
+ case SDP_BOOL:
+ src = (unsigned char *) &d->val.int8;
+ break;
+ case SDP_INT16:
+ u16 = htons(d->val.int16);
+ src = (unsigned char *) &u16;
+ break;
+ case SDP_INT32:
+ u32 = htonl(d->val.int32);
+ src = (unsigned char *) &u32;
+ break;
+ case SDP_INT64:
+ u64 = hton64(d->val.int64);
+ src = (unsigned char *) &u64;
+ break;
+ case SDP_INT128:
+ hton128(&d->val.int128, &u128);
+ src = (unsigned char *) &u128;
+ break;
+ case SDP_TEXT_STR8:
+ case SDP_TEXT_STR16:
+ case SDP_TEXT_STR32:
+ case SDP_URL_STR8:
+ case SDP_URL_STR16:
+ case SDP_URL_STR32:
+ src = (unsigned char *) d->val.str;
+ sdp_set_seq_len(seqp, data_size);
+ break;
+ case SDP_SEQ8:
+ case SDP_SEQ16:
+ case SDP_SEQ32:
+ is_seq = 1;
+ sdp_set_seq_len(seqp, data_size);
+ break;
+ case SDP_ALT8:
+ case SDP_ALT16:
+ case SDP_ALT32:
+ is_alt = 1;
+ sdp_set_seq_len(seqp, data_size);
+ break;
+ case SDP_UUID16:
+ u16 = htons(d->val.uuid.value.uuid16);
+ src = (unsigned char *) &u16;
+ break;
+ case SDP_UUID32:
+ u32 = htonl(d->val.uuid.value.uuid32);
+ src = (unsigned char *) &u32;
+ break;
+ case SDP_UUID128:
+ src = (unsigned char *) &d->val.uuid.value.uuid128;
+ break;
+ default:
+ break;
+ }
+
+ if (!is_seq && !is_alt) {
+ if (src && buf->buf_size >= buf->data_size + data_size) {
+ memcpy(buf->data + buf->data_size, src, data_size);
+ buf->data_size += data_size;
+ } else if (d->dtd != SDP_DATA_NIL) {
+ SDPDBG("Gen PDU : Can't copy from invalid source or dest");
+ }
+ }
+
+ pdu_size += data_size;
+
+ return pdu_size;
+}
+
+static void sdp_attr_pdu(void *value, void *udata)
+{
+ sdp_append_to_pdu((sdp_buf_t *)udata, (sdp_data_t *)value);
+}
+
+static void sdp_attr_size(void *value, void *udata)
+{
+ sdp_gen_buffer((sdp_buf_t *)udata, (sdp_data_t *)value);
+}
+
+int sdp_gen_record_pdu(const sdp_record_t *rec, sdp_buf_t *buf)
+{
+ memset(buf, 0, sizeof(sdp_buf_t));
+ sdp_list_foreach(rec->attrlist, sdp_attr_size, buf);
+
+ buf->data = malloc(buf->buf_size);
+ if (!buf->data)
+ return -ENOMEM;
+ buf->data_size = 0;
+ memset(buf->data, 0, buf->buf_size);
+
+ sdp_list_foreach(rec->attrlist, sdp_attr_pdu, buf);
+
+ return 0;
+}
+
+void sdp_attr_replace(sdp_record_t *rec, uint16_t attr, sdp_data_t *d)
+{
+ sdp_data_t *p = sdp_data_get(rec, attr);
+
+ if (p) {
+ rec->attrlist = sdp_list_remove(rec->attrlist, p);
+ sdp_data_free(p);
+ }
+
+ d->attrId = attr;
+ rec->attrlist = sdp_list_insert_sorted(rec->attrlist, d, sdp_attrid_comp_func);
+
+ if (attr == SDP_ATTR_SVCLASS_ID_LIST)
+ extract_svclass_uuid(d, &rec->svclass);
+}
+
+int sdp_attrid_comp_func(const void *key1, const void *key2)
+{
+ const sdp_data_t *d1 = (const sdp_data_t *)key1;
+ const sdp_data_t *d2 = (const sdp_data_t *)key2;
+
+ if (d1 && d2)
+ return d1->attrId - d2->attrId;
+ return 0;
+}
+
+static void data_seq_free(sdp_data_t *seq)
+{
+ sdp_data_t *d = seq->val.dataseq;
+
+ while (d) {
+ sdp_data_t *next = d->next;
+ sdp_data_free(d);
+ d = next;
+ }
+}
+
+void sdp_data_free(sdp_data_t *d)
+{
+ switch (d->dtd) {
+ case SDP_SEQ8:
+ case SDP_SEQ16:
+ case SDP_SEQ32:
+ data_seq_free(d);
+ break;
+ case SDP_URL_STR8:
+ case SDP_URL_STR16:
+ case SDP_URL_STR32:
+ case SDP_TEXT_STR8:
+ case SDP_TEXT_STR16:
+ case SDP_TEXT_STR32:
+ free(d->val.str);
+ break;
+ }
+ free(d);
+}
+
+int sdp_uuid_extract(const uint8_t *p, int bufsize, uuid_t *uuid, int *scanned)
+{
+ uint8_t type;
+
+ if (bufsize < (int) sizeof(uint8_t)) {
+ SDPERR("Unexpected end of packet");
+ return -1;
+ }
+
+ type = *(const uint8_t *) p;
+
+ if (!SDP_IS_UUID(type)) {
+ SDPERR("Unknown data type : %d expecting a svc UUID", type);
+ return -1;
+ }
+ p += sizeof(uint8_t);
+ *scanned += sizeof(uint8_t);
+ bufsize -= sizeof(uint8_t);
+ if (type == SDP_UUID16) {
+ if (bufsize < (int) sizeof(uint16_t)) {
+ SDPERR("Not enough room for 16-bit UUID");
+ return -1;
+ }
+ sdp_uuid16_create(uuid, bt_get_be16(p));
+ *scanned += sizeof(uint16_t);
+ } else if (type == SDP_UUID32) {
+ if (bufsize < (int) sizeof(uint32_t)) {
+ SDPERR("Not enough room for 32-bit UUID");
+ return -1;
+ }
+ sdp_uuid32_create(uuid, bt_get_be32(p));
+ *scanned += sizeof(uint32_t);
+ } else {
+ if (bufsize < (int) sizeof(uint128_t)) {
+ SDPERR("Not enough room for 128-bit UUID");
+ return -1;
+ }
+ sdp_uuid128_create(uuid, p);
+ *scanned += sizeof(uint128_t);
+ }
+ return 0;
+}
+
+static sdp_data_t *extract_int(const void *p, int bufsize, int *len)
+{
+ sdp_data_t *d;
+
+ if (bufsize < (int) sizeof(uint8_t)) {
+ SDPERR("Unexpected end of packet");
+ return NULL;
+ }
+
+ d = malloc(sizeof(sdp_data_t));
+ if (!d)
+ return NULL;
+
+ SDPDBG("Extracting integer");
+ memset(d, 0, sizeof(sdp_data_t));
+ d->dtd = *(uint8_t *) p;
+ p += sizeof(uint8_t);
+ *len += sizeof(uint8_t);
+ bufsize -= sizeof(uint8_t);
+
+ switch (d->dtd) {
+ case SDP_DATA_NIL:
+ break;
+ case SDP_BOOL:
+ case SDP_INT8:
+ case SDP_UINT8:
+ if (bufsize < (int) sizeof(uint8_t)) {
+ SDPERR("Unexpected end of packet");
+ free(d);
+ return NULL;
+ }
+ *len += sizeof(uint8_t);
+ d->val.uint8 = *(uint8_t *) p;
+ break;
+ case SDP_INT16:
+ case SDP_UINT16:
+ if (bufsize < (int) sizeof(uint16_t)) {
+ SDPERR("Unexpected end of packet");
+ free(d);
+ return NULL;
+ }
+ *len += sizeof(uint16_t);
+ d->val.uint16 = bt_get_be16(p);
+ break;
+ case SDP_INT32:
+ case SDP_UINT32:
+ if (bufsize < (int) sizeof(uint32_t)) {
+ SDPERR("Unexpected end of packet");
+ free(d);
+ return NULL;
+ }
+ *len += sizeof(uint32_t);
+ d->val.uint32 = bt_get_be32(p);
+ break;
+ case SDP_INT64:
+ case SDP_UINT64:
+ if (bufsize < (int) sizeof(uint64_t)) {
+ SDPERR("Unexpected end of packet");
+ free(d);
+ return NULL;
+ }
+ *len += sizeof(uint64_t);
+ d->val.uint64 = bt_get_be64(p);
+ break;
+ case SDP_INT128:
+ case SDP_UINT128:
+ if (bufsize < (int) sizeof(uint128_t)) {
+ SDPERR("Unexpected end of packet");
+ free(d);
+ return NULL;
+ }
+ *len += sizeof(uint128_t);
+ ntoh128((uint128_t *) p, &d->val.uint128);
+ break;
+ default:
+ free(d);
+ d = NULL;
+ }
+ return d;
+}
+
+static sdp_data_t *extract_uuid(const uint8_t *p, int bufsize, int *len,
+ sdp_record_t *rec)
+{
+ sdp_data_t *d = malloc(sizeof(sdp_data_t));
+
+ if (!d)
+ return NULL;
+
+ SDPDBG("Extracting UUID");
+ memset(d, 0, sizeof(sdp_data_t));
+ if (sdp_uuid_extract(p, bufsize, &d->val.uuid, len) < 0) {
+ free(d);
+ return NULL;
+ }
+ d->dtd = *p;
+ if (rec)
+ sdp_pattern_add_uuid(rec, &d->val.uuid);
+ return d;
+}
+
+/*
+ * Extract strings from the PDU (could be service description and similar info)
+ */
+static sdp_data_t *extract_str(const void *p, int bufsize, int *len)
+{
+ char *s;
+ int n;
+ sdp_data_t *d;
+
+ if (bufsize < (int) sizeof(uint8_t)) {
+ SDPERR("Unexpected end of packet");
+ return NULL;
+ }
+
+ d = malloc(sizeof(sdp_data_t));
+ if (!d)
+ return NULL;
+
+ memset(d, 0, sizeof(sdp_data_t));
+ d->dtd = *(uint8_t *) p;
+ p += sizeof(uint8_t);
+ *len += sizeof(uint8_t);
+ bufsize -= sizeof(uint8_t);
+
+ switch (d->dtd) {
+ case SDP_TEXT_STR8:
+ case SDP_URL_STR8:
+ if (bufsize < (int) sizeof(uint8_t)) {
+ SDPERR("Unexpected end of packet");
+ free(d);
+ return NULL;
+ }
+ n = *(uint8_t *) p;
+ p += sizeof(uint8_t);
+ *len += sizeof(uint8_t);
+ bufsize -= sizeof(uint8_t);
+ break;
+ case SDP_TEXT_STR16:
+ case SDP_URL_STR16:
+ if (bufsize < (int) sizeof(uint16_t)) {
+ SDPERR("Unexpected end of packet");
+ free(d);
+ return NULL;
+ }
+ n = bt_get_be16(p);
+ p += sizeof(uint16_t);
+ *len += sizeof(uint16_t);
+ bufsize -= sizeof(uint16_t);
+ break;
+ default:
+ SDPERR("Sizeof text string > UINT16_MAX");
+ free(d);
+ return NULL;
+ }
+
+ if (bufsize < n) {
+ SDPERR("String too long to fit in packet");
+ free(d);
+ return NULL;
+ }
+
+ s = malloc(n + 1);
+ if (!s) {
+ SDPERR("Not enough memory for incoming string");
+ free(d);
+ return NULL;
+ }
+ memset(s, 0, n + 1);
+ memcpy(s, p, n);
+
+ *len += n;
+
+ SDPDBG("Len : %d", n);
+ SDPDBG("Str : %s", s);
+
+ d->val.str = s;
+ d->unitSize = n + sizeof(uint8_t);
+ return d;
+}
+
+/*
+ * Extract the sequence type and its length, and return offset into buf
+ * or 0 on failure.
+ */
+int sdp_extract_seqtype(const uint8_t *buf, int bufsize, uint8_t *dtdp, int *size)
+{
+ uint8_t dtd;
+ int scanned = sizeof(uint8_t);
+
+ if (bufsize < (int) sizeof(uint8_t)) {
+ SDPERR("Unexpected end of packet");
+ return 0;
+ }
+
+ dtd = *(uint8_t *) buf;
+ buf += sizeof(uint8_t);
+ bufsize -= sizeof(uint8_t);
+ *dtdp = dtd;
+ switch (dtd) {
+ case SDP_SEQ8:
+ case SDP_ALT8:
+ if (bufsize < (int) sizeof(uint8_t)) {
+ SDPERR("Unexpected end of packet");
+ return 0;
+ }
+ *size = *(uint8_t *) buf;
+ scanned += sizeof(uint8_t);
+ break;
+ case SDP_SEQ16:
+ case SDP_ALT16:
+ if (bufsize < (int) sizeof(uint16_t)) {
+ SDPERR("Unexpected end of packet");
+ return 0;
+ }
+ *size = bt_get_be16(buf);
+ scanned += sizeof(uint16_t);
+ break;
+ case SDP_SEQ32:
+ case SDP_ALT32:
+ if (bufsize < (int) sizeof(uint32_t)) {
+ SDPERR("Unexpected end of packet");
+ return 0;
+ }
+ *size = bt_get_be32(buf);
+ scanned += sizeof(uint32_t);
+ break;
+ default:
+ SDPERR("Unknown sequence type, aborting");
+ return 0;
+ }
+ return scanned;
+}
+
+static sdp_data_t *extract_seq(const void *p, int bufsize, int *len,
+ sdp_record_t *rec)
+{
+ int seqlen, n = 0;
+ sdp_data_t *curr, *prev;
+ sdp_data_t *d = malloc(sizeof(sdp_data_t));
+
+ if (!d)
+ return NULL;
+
+ SDPDBG("Extracting SEQ");
+ memset(d, 0, sizeof(sdp_data_t));
+ *len = sdp_extract_seqtype(p, bufsize, &d->dtd, &seqlen);
+ SDPDBG("Sequence Type : 0x%x length : 0x%x", d->dtd, seqlen);
+
+ if (*len == 0)
+ return d;
+
+ if (*len > bufsize) {
+ SDPERR("Packet not big enough to hold sequence.");
+ free(d);
+ return NULL;
+ }
+
+ p += *len;
+ bufsize -= *len;
+ prev = NULL;
+ while (n < seqlen) {
+ int attrlen = 0;
+ curr = sdp_extract_attr(p, bufsize, &attrlen, rec);
+ if (curr == NULL)
+ break;
+
+ if (prev)
+ prev->next = curr;
+ else
+ d->val.dataseq = curr;
+ prev = curr;
+ p += attrlen;
+ n += attrlen;
+ bufsize -= attrlen;
+
+ SDPDBG("Extracted: %d SequenceLength: %d", n, seqlen);
+ }
+
+ *len += n;
+ return d;
+}
+
+sdp_data_t *sdp_extract_attr(const uint8_t *p, int bufsize, int *size,
+ sdp_record_t *rec)
+{
+ sdp_data_t *elem;
+ int n = 0;
+ uint8_t dtd;
+
+ if (bufsize < (int) sizeof(uint8_t)) {
+ SDPERR("Unexpected end of packet");
+ return NULL;
+ }
+
+ dtd = *(const uint8_t *)p;
+
+ SDPDBG("extract_attr: dtd=0x%x", dtd);
+ switch (dtd) {
+ case SDP_DATA_NIL:
+ case SDP_BOOL:
+ case SDP_UINT8:
+ case SDP_UINT16:
+ case SDP_UINT32:
+ case SDP_UINT64:
+ case SDP_UINT128:
+ case SDP_INT8:
+ case SDP_INT16:
+ case SDP_INT32:
+ case SDP_INT64:
+ case SDP_INT128:
+ elem = extract_int(p, bufsize, &n);
+ break;
+ case SDP_UUID16:
+ case SDP_UUID32:
+ case SDP_UUID128:
+ elem = extract_uuid(p, bufsize, &n, rec);
+ break;
+ case SDP_TEXT_STR8:
+ case SDP_TEXT_STR16:
+ case SDP_TEXT_STR32:
+ case SDP_URL_STR8:
+ case SDP_URL_STR16:
+ case SDP_URL_STR32:
+ elem = extract_str(p, bufsize, &n);
+ break;
+ case SDP_SEQ8:
+ case SDP_SEQ16:
+ case SDP_SEQ32:
+ case SDP_ALT8:
+ case SDP_ALT16:
+ case SDP_ALT32:
+ elem = extract_seq(p, bufsize, &n, rec);
+ break;
+ default:
+ SDPERR("Unknown data descriptor : 0x%x terminating", dtd);
+ return NULL;
+ }
+ *size += n;
+ return elem;
+}
+
+#ifdef SDP_DEBUG
+static void attr_print_func(void *value, void *userData)
+{
+ sdp_data_t *d = (sdp_data_t *)value;
+
+ SDPDBG("=====================================");
+ SDPDBG("ATTRIBUTE IDENTIFIER : 0x%x", d->attrId);
+ SDPDBG("ATTRIBUTE VALUE PTR : %p", value);
+ if (d)
+ sdp_data_print(d);
+ else
+ SDPDBG("NULL value");
+ SDPDBG("=====================================");
+}
+
+void sdp_print_service_attr(sdp_list_t *svcAttrList)
+{
+ SDPDBG("Printing service attr list %p", svcAttrList);
+ sdp_list_foreach(svcAttrList, attr_print_func, NULL);
+ SDPDBG("Printed service attr list %p", svcAttrList);
+}
+#endif
+
+sdp_record_t *sdp_extract_pdu(const uint8_t *buf, int bufsize, int *scanned)
+{
+ int extracted = 0, seqlen = 0;
+ uint8_t dtd;
+ uint16_t attr;
+ sdp_record_t *rec = sdp_record_alloc();
+ const uint8_t *p = buf;
+
+ *scanned = sdp_extract_seqtype(buf, bufsize, &dtd, &seqlen);
+ p += *scanned;
+ bufsize -= *scanned;
+ rec->attrlist = NULL;
+
+ while (extracted < seqlen && bufsize > 0) {
+ int n = sizeof(uint8_t), attrlen = 0;
+ sdp_data_t *data = NULL;
+
+ SDPDBG("Extract PDU, sequenceLength: %d localExtractedLength: %d",
+ seqlen, extracted);
+
+ if (bufsize < n + (int) sizeof(uint16_t)) {
+ SDPERR("Unexpected end of packet");
+ break;
+ }
+
+ dtd = *(uint8_t *) p;
+ attr = bt_get_be16(p + n);
+ n += sizeof(uint16_t);
+
+ SDPDBG("DTD of attrId : %d Attr id : 0x%x ", dtd, attr);
+
+ data = sdp_extract_attr(p + n, bufsize - n, &attrlen, rec);
+
+ SDPDBG("Attr id : 0x%x attrValueLength : %d", attr, attrlen);
+
+ n += attrlen;
+ if (data == NULL) {
+ SDPDBG("Terminating extraction of attributes");
+ break;
+ }
+
+ if (attr == SDP_ATTR_RECORD_HANDLE)
+ rec->handle = data->val.uint32;
+
+ if (attr == SDP_ATTR_SVCLASS_ID_LIST)
+ extract_svclass_uuid(data, &rec->svclass);
+
+ extracted += n;
+ p += n;
+ bufsize -= n;
+ sdp_attr_replace(rec, attr, data);
+
+ SDPDBG("Extract PDU, seqLength: %d localExtractedLength: %d",
+ seqlen, extracted);
+ }
+#ifdef SDP_DEBUG
+ SDPDBG("Successful extracting of Svc Rec attributes");
+ sdp_print_service_attr(rec->attrlist);
+#endif
+ *scanned += seqlen;
+ return rec;
+}
+
+static void sdp_copy_pattern(void *value, void *udata)
+{
+ uuid_t *uuid = value;
+ sdp_record_t *rec = udata;
+
+ sdp_pattern_add_uuid(rec, uuid);
+}
+
+static void *sdp_data_value(sdp_data_t *data, uint32_t *len)
+{
+ void *val = NULL;
+
+ switch (data->dtd) {
+ case SDP_DATA_NIL:
+ break;
+ case SDP_UINT8:
+ val = &data->val.uint8;
+ break;
+ case SDP_INT8:
+ case SDP_BOOL:
+ val = &data->val.int8;
+ break;
+ case SDP_UINT16:
+ val = &data->val.uint16;
+ break;
+ case SDP_INT16:
+ val = &data->val.int16;
+ break;
+ case SDP_UINT32:
+ val = &data->val.uint32;
+ break;
+ case SDP_INT32:
+ val = &data->val.int32;
+ break;
+ case SDP_INT64:
+ val = &data->val.int64;
+ break;
+ case SDP_UINT64:
+ val = &data->val.uint64;
+ break;
+ case SDP_UINT128:
+ val = &data->val.uint128;
+ break;
+ case SDP_INT128:
+ val = &data->val.int128;
+ break;
+ case SDP_UUID16:
+ val = &data->val.uuid.value.uuid16;
+ break;
+ case SDP_UUID32:
+ val = &data->val.uuid.value.uuid32;
+ break;
+ case SDP_UUID128:
+ val = &data->val.uuid.value.uuid128;
+ break;
+ case SDP_URL_STR8:
+ case SDP_URL_STR16:
+ case SDP_TEXT_STR8:
+ case SDP_TEXT_STR16:
+ case SDP_URL_STR32:
+ case SDP_TEXT_STR32:
+ val = data->val.str;
+ if (len)
+ *len = data->unitSize - 1;
+ break;
+ case SDP_ALT8:
+ case SDP_ALT16:
+ case SDP_ALT32:
+ case SDP_SEQ8:
+ case SDP_SEQ16:
+ case SDP_SEQ32:
+ val = sdp_copy_seq(data->val.dataseq);
+ break;
+ }
+
+ return val;
+}
+
+static sdp_data_t *sdp_copy_seq(sdp_data_t *data)
+{
+ sdp_data_t *tmp, *seq = NULL, *cur = NULL;
+
+ for (tmp = data; tmp; tmp = tmp->next) {
+ sdp_data_t *datatmp;
+ void *value;
+
+ value = sdp_data_value(tmp, NULL);
+ datatmp = sdp_data_alloc_with_length(tmp->dtd, value,
+ tmp->unitSize);
+
+ if (cur)
+ cur->next = datatmp;
+ else
+ seq = datatmp;
+
+ cur = datatmp;
+ }
+
+ return seq;
+}
+
+static void sdp_copy_attrlist(void *value, void *udata)
+{
+ sdp_data_t *data = value;
+ sdp_record_t *rec = udata;
+ void *val;
+ uint32_t len = 0;
+
+ val = sdp_data_value(data, &len);
+
+ if (!len)
+ sdp_attr_add_new(rec, data->attrId, data->dtd, val);
+ else
+ sdp_attr_add_new_with_length(rec, data->attrId,
+ data->dtd, val, len);
+}
+
+sdp_record_t *sdp_copy_record(sdp_record_t *rec)
+{
+ sdp_record_t *cpy;
+
+ cpy = sdp_record_alloc();
+
+ cpy->handle = rec->handle;
+
+ sdp_list_foreach(rec->pattern, sdp_copy_pattern, cpy);
+ sdp_list_foreach(rec->attrlist, sdp_copy_attrlist, cpy);
+
+ cpy->svclass = rec->svclass;
+
+ return cpy;
+}
+
+#ifdef SDP_DEBUG
+static void print_dataseq(sdp_data_t *p)
+{
+ sdp_data_t *d;
+
+ for (d = p; d; d = d->next)
+ sdp_data_print(d);
+}
+#endif
+
+void sdp_record_print(const sdp_record_t *rec)
+{
+ sdp_data_t *d = sdp_data_get(rec, SDP_ATTR_SVCNAME_PRIMARY);
+ if (d && SDP_IS_TEXT_STR(d->dtd))
+ printf("Service Name: %.*s\n", d->unitSize, d->val.str);
+ d = sdp_data_get(rec, SDP_ATTR_SVCDESC_PRIMARY);
+ if (d && SDP_IS_TEXT_STR(d->dtd))
+ printf("Service Description: %.*s\n", d->unitSize, d->val.str);
+ d = sdp_data_get(rec, SDP_ATTR_PROVNAME_PRIMARY);
+ if (d && SDP_IS_TEXT_STR(d->dtd))
+ printf("Service Provider: %.*s\n", d->unitSize, d->val.str);
+}
+
+#ifdef SDP_DEBUG
+void sdp_data_print(sdp_data_t *d)
+{
+ switch (d->dtd) {
+ case SDP_DATA_NIL:
+ SDPDBG("NIL");
+ break;
+ case SDP_BOOL:
+ case SDP_UINT8:
+ case SDP_UINT16:
+ case SDP_UINT32:
+ case SDP_UINT64:
+ case SDP_UINT128:
+ case SDP_INT8:
+ case SDP_INT16:
+ case SDP_INT32:
+ case SDP_INT64:
+ case SDP_INT128:
+ SDPDBG("Integer : 0x%x", d->val.uint32);
+ break;
+ case SDP_UUID16:
+ case SDP_UUID32:
+ case SDP_UUID128:
+ SDPDBG("UUID");
+ sdp_uuid_print(&d->val.uuid);
+ break;
+ case SDP_TEXT_STR8:
+ case SDP_TEXT_STR16:
+ case SDP_TEXT_STR32:
+ SDPDBG("Text : %s", d->val.str);
+ break;
+ case SDP_URL_STR8:
+ case SDP_URL_STR16:
+ case SDP_URL_STR32:
+ SDPDBG("URL : %s", d->val.str);
+ break;
+ case SDP_SEQ8:
+ case SDP_SEQ16:
+ case SDP_SEQ32:
+ print_dataseq(d->val.dataseq);
+ break;
+ case SDP_ALT8:
+ case SDP_ALT16:
+ case SDP_ALT32:
+ SDPDBG("Data Sequence Alternates");
+ print_dataseq(d->val.dataseq);
+ break;
+ }
+}
+#endif
+
+sdp_data_t *sdp_data_get(const sdp_record_t *rec, uint16_t attrId)
+{
+ if (rec->attrlist) {
+ sdp_data_t sdpTemplate;
+ sdp_list_t *p;
+
+ sdpTemplate.attrId = attrId;
+ p = sdp_list_find(rec->attrlist, &sdpTemplate, sdp_attrid_comp_func);
+ if (p)
+ return p->data;
+ }
+ return NULL;
+}
+
+static int sdp_send_req(sdp_session_t *session, uint8_t *buf, uint32_t size)
+{
+ uint32_t sent = 0;
+
+ while (sent < size) {
+ int n = send(session->sock, buf + sent, size - sent, 0);
+ if (n < 0)
+ return -1;
+ sent += n;
+ }
+ return 0;
+}
+
+static int sdp_read_rsp(sdp_session_t *session, uint8_t *buf, uint32_t size)
+{
+ fd_set readFds;
+ struct timeval timeout = { SDP_RESPONSE_TIMEOUT, 0 };
+
+ FD_ZERO(&readFds);
+ FD_SET(session->sock, &readFds);
+ SDPDBG("Waiting for response");
+ if (select(session->sock + 1, &readFds, NULL, NULL, &timeout) == 0) {
+ SDPERR("Client timed out");
+ errno = ETIMEDOUT;
+ return -1;
+ }
+ return recv(session->sock, buf, size, 0);
+}
+
+/*
+ * generic send request, wait for response method.
+ */
+int sdp_send_req_w4_rsp(sdp_session_t *session, uint8_t *reqbuf,
+ uint8_t *rspbuf, uint32_t reqsize, uint32_t *rspsize)
+{
+ int n;
+ sdp_pdu_hdr_t *reqhdr = (sdp_pdu_hdr_t *) reqbuf;
+ sdp_pdu_hdr_t *rsphdr = (sdp_pdu_hdr_t *) rspbuf;
+
+ SDPDBG("");
+ if (0 > sdp_send_req(session, reqbuf, reqsize)) {
+ SDPERR("Error sending data:%m");
+ return -1;
+ }
+ n = sdp_read_rsp(session, rspbuf, SDP_RSP_BUFFER_SIZE);
+ if (0 > n)
+ return -1;
+ SDPDBG("Read : %d", n);
+ if (n == 0 || reqhdr->tid != rsphdr->tid) {
+ errno = EPROTO;
+ return -1;
+ }
+ *rspsize = n;
+ return 0;
+}
+
+/*
+ * singly-linked lists (after openobex implementation)
+ */
+sdp_list_t *sdp_list_append(sdp_list_t *p, void *d)
+{
+ sdp_list_t *q, *n = malloc(sizeof(sdp_list_t));
+
+ if (!n)
+ return NULL;
+
+ n->data = d;
+ n->next = 0;
+
+ if (!p)
+ return n;
+
+ for (q = p; q->next; q = q->next);
+ q->next = n;
+
+ return p;
+}
+
+sdp_list_t *sdp_list_remove(sdp_list_t *list, void *d)
+{
+ sdp_list_t *p, *q;
+
+ for (q = 0, p = list; p; q = p, p = p->next)
+ if (p->data == d) {
+ if (q)
+ q->next = p->next;
+ else
+ list = p->next;
+ free(p);
+ break;
+ }
+
+ return list;
+}
+
+sdp_list_t *sdp_list_insert_sorted(sdp_list_t *list, void *d,
+ sdp_comp_func_t f)
+{
+ sdp_list_t *q, *p, *n;
+
+ n = malloc(sizeof(sdp_list_t));
+ if (!n)
+ return NULL;
+ n->data = d;
+ for (q = 0, p = list; p; q = p, p = p->next)
+ if (f(p->data, d) >= 0)
+ break;
+ /* insert between q and p; if !q insert at head */
+ if (q)
+ q->next = n;
+ else
+ list = n;
+ n->next = p;
+ return list;
+}
+
+/*
+ * Every element of the list points to things which need
+ * to be free()'d. This method frees the list's contents
+ */
+void sdp_list_free(sdp_list_t *list, sdp_free_func_t f)
+{
+ sdp_list_t *next;
+ while (list) {
+ next = list->next;
+ if (f)
+ f(list->data);
+ free(list);
+ list = next;
+ }
+}
+
+static inline int __find_port(sdp_data_t *seq, int proto)
+{
+ if (!seq || !seq->next)
+ return 0;
+
+ if (SDP_IS_UUID(seq->dtd) && sdp_uuid_to_proto(&seq->val.uuid) == proto) {
+ seq = seq->next;
+ switch (seq->dtd) {
+ case SDP_UINT8:
+ return seq->val.uint8;
+ case SDP_UINT16:
+ return seq->val.uint16;
+ }
+ }
+ return 0;
+}
+
+int sdp_get_proto_port(const sdp_list_t *list, int proto)
+{
+ if (proto != L2CAP_UUID && proto != RFCOMM_UUID) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ for (; list; list = list->next) {
+ sdp_list_t *p;
+ for (p = list->data; p; p = p->next) {
+ sdp_data_t *seq = p->data;
+ int port = __find_port(seq, proto);
+ if (port)
+ return port;
+ }
+ }
+ return 0;
+}
+
+sdp_data_t *sdp_get_proto_desc(sdp_list_t *list, int proto)
+{
+ for (; list; list = list->next) {
+ sdp_list_t *p;
+ for (p = list->data; p; p = p->next) {
+ sdp_data_t *seq = p->data;
+ if (SDP_IS_UUID(seq->dtd) &&
+ sdp_uuid_to_proto(&seq->val.uuid) == proto)
+ return seq->next;
+ }
+ }
+ return NULL;
+}
+
+static int sdp_get_proto_descs(uint16_t attr_id, const sdp_record_t *rec,
+ sdp_list_t **pap)
+{
+ sdp_data_t *pdlist, *curr;
+ sdp_list_t *ap = NULL;
+
+ pdlist = sdp_data_get(rec, attr_id);
+ if (pdlist == NULL) {
+ errno = ENODATA;
+ return -1;
+ }
+
+ SDPDBG("Attribute value type: 0x%02x", pdlist->dtd);
+
+ if (attr_id == SDP_ATTR_ADD_PROTO_DESC_LIST) {
+ if (!SDP_IS_SEQ(pdlist->dtd)) {
+ errno = EINVAL;
+ return -1;
+ }
+ pdlist = pdlist->val.dataseq;
+ }
+
+ for (; pdlist; pdlist = pdlist->next) {
+ sdp_list_t *pds = NULL;
+
+ if (!SDP_IS_SEQ(pdlist->dtd) && !SDP_IS_ALT(pdlist->dtd))
+ goto failed;
+
+ for (curr = pdlist->val.dataseq; curr; curr = curr->next) {
+ if (!SDP_IS_SEQ(curr->dtd)) {
+ sdp_list_free(pds, NULL);
+ goto failed;
+ }
+ pds = sdp_list_append(pds, curr->val.dataseq);
+ }
+
+ ap = sdp_list_append(ap, pds);
+ }
+
+ *pap = ap;
+
+ return 0;
+
+failed:
+ sdp_list_foreach(ap, (sdp_list_func_t) sdp_list_free, NULL);
+ sdp_list_free(ap, NULL);
+ errno = EINVAL;
+
+ return -1;
+}
+
+int sdp_get_access_protos(const sdp_record_t *rec, sdp_list_t **pap)
+{
+ return sdp_get_proto_descs(SDP_ATTR_PROTO_DESC_LIST, rec, pap);
+}
+
+int sdp_get_add_access_protos(const sdp_record_t *rec, sdp_list_t **pap)
+{
+ return sdp_get_proto_descs(SDP_ATTR_ADD_PROTO_DESC_LIST, rec, pap);
+}
+
+int sdp_get_uuidseq_attr(const sdp_record_t *rec, uint16_t attr,
+ sdp_list_t **seqp)
+{
+ sdp_data_t *sdpdata = sdp_data_get(rec, attr);
+
+ *seqp = NULL;
+ if (sdpdata && SDP_IS_SEQ(sdpdata->dtd)) {
+ sdp_data_t *d;
+ for (d = sdpdata->val.dataseq; d; d = d->next) {
+ uuid_t *u;
+ if (d->dtd < SDP_UUID16 || d->dtd > SDP_UUID128) {
+ errno = EINVAL;
+ goto fail;
+ }
+
+ u = malloc(sizeof(uuid_t));
+ if (!u)
+ goto fail;
+
+ *u = d->val.uuid;
+ *seqp = sdp_list_append(*seqp, u);
+ }
+ return 0;
+ }
+fail:
+ sdp_list_free(*seqp, free);
+ *seqp = NULL;
+ return -1;
+}
+
+int sdp_set_uuidseq_attr(sdp_record_t *rec, uint16_t aid, sdp_list_t *seq)
+{
+ int status = 0, i, len;
+ void **dtds, **values;
+ uint8_t uuid16 = SDP_UUID16;
+ uint8_t uuid32 = SDP_UUID32;
+ uint8_t uuid128 = SDP_UUID128;
+ sdp_list_t *p;
+
+ len = sdp_list_len(seq);
+ if (!seq || len == 0)
+ return -1;
+ dtds = malloc(len * sizeof(void *));
+ if (!dtds)
+ return -1;
+
+ values = malloc(len * sizeof(void *));
+ if (!values) {
+ free(dtds);
+ return -1;
+ }
+
+ for (p = seq, i = 0; i < len; i++, p = p->next) {
+ uuid_t *uuid = p->data;
+ if (uuid)
+ switch (uuid->type) {
+ case SDP_UUID16:
+ dtds[i] = &uuid16;
+ values[i] = &uuid->value.uuid16;
+ break;
+ case SDP_UUID32:
+ dtds[i] = &uuid32;
+ values[i] = &uuid->value.uuid32;
+ break;
+ case SDP_UUID128:
+ dtds[i] = &uuid128;
+ values[i] = &uuid->value.uuid128;
+ break;
+ default:
+ status = -1;
+ break;
+ }
+ else {
+ status = -1;
+ break;
+ }
+ }
+ if (status == 0) {
+ sdp_data_t *data = sdp_seq_alloc(dtds, values, len);
+ sdp_attr_replace(rec, aid, data);
+ sdp_pattern_add_uuidseq(rec, seq);
+ }
+ free(dtds);
+ free(values);
+ return status;
+}
+
+int sdp_get_lang_attr(const sdp_record_t *rec, sdp_list_t **langSeq)
+{
+ sdp_lang_attr_t *lang;
+ sdp_data_t *sdpdata, *curr_data;
+
+ *langSeq = NULL;
+ sdpdata = sdp_data_get(rec, SDP_ATTR_LANG_BASE_ATTR_ID_LIST);
+ if (sdpdata == NULL) {
+ errno = ENODATA;
+ return -1;
+ }
+
+ if (!SDP_IS_SEQ(sdpdata->dtd))
+ goto invalid;
+ curr_data = sdpdata->val.dataseq;
+
+ while (curr_data) {
+ sdp_data_t *pCode, *pEncoding, *pOffset;
+
+ pCode = curr_data;
+ if (pCode->dtd != SDP_UINT16)
+ goto invalid;
+
+ /* LanguageBaseAttributeIDList entries are always grouped as
+ * triplets */
+ if (!pCode->next || !pCode->next->next)
+ goto invalid;
+
+ pEncoding = pCode->next;
+ if (pEncoding->dtd != SDP_UINT16)
+ goto invalid;
+
+ pOffset = pEncoding->next;
+ if (pOffset->dtd != SDP_UINT16)
+ goto invalid;
+
+ lang = malloc(sizeof(sdp_lang_attr_t));
+ if (!lang) {
+ sdp_list_free(*langSeq, free);
+ *langSeq = NULL;
+ return -1;
+ }
+ lang->code_ISO639 = pCode->val.uint16;
+ lang->encoding = pEncoding->val.uint16;
+ lang->base_offset = pOffset->val.uint16;
+ SDPDBG("code_ISO639 : 0x%02x", lang->code_ISO639);
+ SDPDBG("encoding : 0x%02x", lang->encoding);
+ SDPDBG("base_offfset : 0x%02x", lang->base_offset);
+ *langSeq = sdp_list_append(*langSeq, lang);
+
+ curr_data = pOffset->next;
+ }
+
+ return 0;
+
+invalid:
+ sdp_list_free(*langSeq, free);
+ *langSeq = NULL;
+ errno = EINVAL;
+
+ return -1;
+}
+
+int sdp_get_profile_descs(const sdp_record_t *rec, sdp_list_t **profDescSeq)
+{
+ sdp_profile_desc_t *profDesc;
+ sdp_data_t *sdpdata, *seq;
+
+ *profDescSeq = NULL;
+ sdpdata = sdp_data_get(rec, SDP_ATTR_PFILE_DESC_LIST);
+ if (sdpdata == NULL) {
+ errno = ENODATA;
+ return -1;
+ }
+
+ if (!SDP_IS_SEQ(sdpdata->dtd) || sdpdata->val.dataseq == NULL)
+ goto invalid;
+
+ for (seq = sdpdata->val.dataseq; seq; seq = seq->next) {
+ uuid_t *uuid = NULL;
+ uint16_t version = 0x100;
+
+ if (SDP_IS_UUID(seq->dtd)) {
+ /* Mac OS X 10.7.3 and old Samsung phones do not comply
+ * to the SDP specification for
+ * BluetoothProfileDescriptorList. This workaround
+ * allows to properly parse UUID/version from SDP
+ * record published by these systems. */
+ sdp_data_t *next = seq->next;
+ uuid = &seq->val.uuid;
+ if (next && next->dtd == SDP_UINT16) {
+ version = next->val.uint16;
+ seq = next;
+ }
+ } else if (SDP_IS_SEQ(seq->dtd)) {
+ sdp_data_t *puuid, *pVnum;
+
+ puuid = seq->val.dataseq;
+ if (puuid == NULL || !SDP_IS_UUID(puuid->dtd))
+ goto invalid;
+
+ uuid = &puuid->val.uuid;
+
+ pVnum = puuid->next;
+ if (pVnum == NULL || pVnum->dtd != SDP_UINT16)
+ goto invalid;
+
+ version = pVnum->val.uint16;
+ } else
+ goto invalid;
+
+ if (uuid != NULL) {
+ profDesc = malloc(sizeof(sdp_profile_desc_t));
+ if (!profDesc) {
+ sdp_list_free(*profDescSeq, free);
+ *profDescSeq = NULL;
+ return -1;
+ }
+ profDesc->uuid = *uuid;
+ profDesc->version = version;
+#ifdef SDP_DEBUG
+ sdp_uuid_print(&profDesc->uuid);
+ SDPDBG("Vnum : 0x%04x", profDesc->version);
+#endif
+ *profDescSeq = sdp_list_append(*profDescSeq, profDesc);
+ }
+ }
+ return 0;
+
+invalid:
+ sdp_list_free(*profDescSeq, free);
+ *profDescSeq = NULL;
+ errno = EINVAL;
+
+ return -1;
+}
+
+int sdp_get_server_ver(const sdp_record_t *rec, sdp_list_t **u16)
+{
+ sdp_data_t *d, *curr;
+
+ *u16 = NULL;
+ d = sdp_data_get(rec, SDP_ATTR_VERSION_NUM_LIST);
+ if (d == NULL) {
+ errno = ENODATA;
+ return -1;
+ }
+
+ if (!SDP_IS_SEQ(d->dtd) || d->val.dataseq == NULL)
+ goto invalid;
+
+ for (curr = d->val.dataseq; curr; curr = curr->next) {
+ if (curr->dtd != SDP_UINT16)
+ goto invalid;
+ *u16 = sdp_list_append(*u16, &curr->val.uint16);
+ }
+
+ return 0;
+
+invalid:
+ sdp_list_free(*u16, NULL);
+ *u16 = NULL;
+ errno = EINVAL;
+
+ return -1;
+}
+
+/* flexible extraction of basic attributes - Jean II */
+/* How do we expect caller to extract predefined data sequences? */
+int sdp_get_int_attr(const sdp_record_t *rec, uint16_t attrid, int *value)
+{
+ sdp_data_t *sdpdata = sdp_data_get(rec, attrid);
+
+ if (sdpdata)
+ /* Verify that it is what the caller expects */
+ if (sdpdata->dtd == SDP_BOOL || sdpdata->dtd == SDP_UINT8 ||
+ sdpdata->dtd == SDP_UINT16 || sdpdata->dtd == SDP_UINT32 ||
+ sdpdata->dtd == SDP_INT8 || sdpdata->dtd == SDP_INT16 ||
+ sdpdata->dtd == SDP_INT32) {
+ *value = sdpdata->val.uint32;
+ return 0;
+ }
+ errno = EINVAL;
+ return -1;
+}
+
+int sdp_get_string_attr(const sdp_record_t *rec, uint16_t attrid, char *value,
+ int valuelen)
+{
+ sdp_data_t *sdpdata = sdp_data_get(rec, attrid);
+ if (sdpdata)
+ /* Verify that it is what the caller expects */
+ if (SDP_IS_TEXT_STR(sdpdata->dtd))
+ if ((int) strlen(sdpdata->val.str) < valuelen) {
+ strcpy(value, sdpdata->val.str);
+ return 0;
+ }
+ errno = EINVAL;
+ return -1;
+}
+
+#define get_basic_attr(attrID, pAttrValue, fieldName) \
+ sdp_data_t *data = sdp_data_get(rec, attrID); \
+ if (data) { \
+ *pAttrValue = data->val.fieldName; \
+ return 0; \
+ } \
+ errno = EINVAL; \
+ return -1;
+
+int sdp_get_service_id(const sdp_record_t *rec, uuid_t *uuid)
+{
+ get_basic_attr(SDP_ATTR_SERVICE_ID, uuid, uuid);
+}
+
+int sdp_get_group_id(const sdp_record_t *rec, uuid_t *uuid)
+{
+ get_basic_attr(SDP_ATTR_GROUP_ID, uuid, uuid);
+}
+
+int sdp_get_record_state(const sdp_record_t *rec, uint32_t *svcRecState)
+{
+ get_basic_attr(SDP_ATTR_RECORD_STATE, svcRecState, uint32);
+}
+
+int sdp_get_service_avail(const sdp_record_t *rec, uint8_t *svcAvail)
+{
+ get_basic_attr(SDP_ATTR_SERVICE_AVAILABILITY, svcAvail, uint8);
+}
+
+int sdp_get_service_ttl(const sdp_record_t *rec, uint32_t *svcTTLInfo)
+{
+ get_basic_attr(SDP_ATTR_SVCINFO_TTL, svcTTLInfo, uint32);
+}
+
+int sdp_get_database_state(const sdp_record_t *rec, uint32_t *svcDBState)
+{
+ get_basic_attr(SDP_ATTR_SVCDB_STATE, svcDBState, uint32);
+}
+
+/*
+ * NOTE that none of the setXXX() functions below will
+ * actually update the SDP server, unless the
+ * {register, update}sdp_record_t() function is invoked.
+ */
+
+int sdp_attr_add_new(sdp_record_t *rec, uint16_t attr, uint8_t dtd,
+ const void *value)
+{
+ sdp_data_t *d = sdp_data_alloc(dtd, value);
+ if (d) {
+ sdp_attr_replace(rec, attr, d);
+ return 0;
+ }
+ return -1;
+}
+
+static int sdp_attr_add_new_with_length(sdp_record_t *rec,
+ uint16_t attr, uint8_t dtd, const void *value, uint32_t len)
+{
+ sdp_data_t *d;
+
+ d = sdp_data_alloc_with_length(dtd, value, len);
+ if (!d)
+ return -1;
+
+ sdp_attr_replace(rec, attr, d);
+
+ return 0;
+}
+
+/*
+ * Set the information attributes of the service
+ * pointed to by rec. The attributes are
+ * service name, description and provider name
+ */
+void sdp_set_info_attr(sdp_record_t *rec, const char *name, const char *prov,
+ const char *desc)
+{
+ if (name)
+ sdp_attr_add_new(rec, SDP_ATTR_SVCNAME_PRIMARY,
+ SDP_TEXT_STR8, name);
+ if (prov)
+ sdp_attr_add_new(rec, SDP_ATTR_PROVNAME_PRIMARY,
+ SDP_TEXT_STR8, prov);
+ if (desc)
+ sdp_attr_add_new(rec, SDP_ATTR_SVCDESC_PRIMARY,
+ SDP_TEXT_STR8, desc);
+}
+
+static sdp_data_t *access_proto_to_dataseq(sdp_record_t *rec, sdp_list_t *proto)
+{
+ sdp_data_t *seq = NULL;
+ void *dtds[10], *values[10];
+ void **seqDTDs, **seqs;
+ int i, seqlen;
+ sdp_list_t *p;
+
+ seqlen = sdp_list_len(proto);
+ seqDTDs = malloc(seqlen * sizeof(void *));
+ if (!seqDTDs)
+ return NULL;
+
+ seqs = malloc(seqlen * sizeof(void *));
+ if (!seqs) {
+ free(seqDTDs);
+ return NULL;
+ }
+
+ for (i = 0, p = proto; p; p = p->next, i++) {
+ sdp_list_t *elt = p->data;
+ sdp_data_t *s;
+ uuid_t *uuid = NULL;
+ unsigned int pslen = 0;
+ for (; elt && pslen < ARRAY_SIZE(dtds); elt = elt->next, pslen++) {
+ sdp_data_t *d = elt->data;
+ dtds[pslen] = &d->dtd;
+ switch (d->dtd) {
+ case SDP_UUID16:
+ uuid = (uuid_t *) d;
+ values[pslen] = &uuid->value.uuid16;
+ break;
+ case SDP_UUID32:
+ uuid = (uuid_t *) d;
+ values[pslen] = &uuid->value.uuid32;
+ break;
+ case SDP_UUID128:
+ uuid = (uuid_t *) d;
+ values[pslen] = &uuid->value.uuid128;
+ break;
+ case SDP_UINT8:
+ values[pslen] = &d->val.uint8;
+ break;
+ case SDP_UINT16:
+ values[pslen] = &d->val.uint16;
+ break;
+ case SDP_SEQ8:
+ case SDP_SEQ16:
+ case SDP_SEQ32:
+ values[pslen] = d;
+ break;
+ /* FIXME: more */
+ }
+ }
+ s = sdp_seq_alloc(dtds, values, pslen);
+ if (s) {
+ seqDTDs[i] = &s->dtd;
+ seqs[i] = s;
+ if (uuid)
+ sdp_pattern_add_uuid(rec, uuid);
+ }
+ }
+ seq = sdp_seq_alloc(seqDTDs, seqs, seqlen);
+ free(seqDTDs);
+ free(seqs);
+ return seq;
+}
+
+/*
+ * sets the access protocols of the service specified
+ * to the value specified in "access_proto"
+ *
+ * Note that if there are alternate mechanisms by
+ * which the service is accessed, then they should
+ * be specified as sequences
+ *
+ * Using a value of NULL for accessProtocols has
+ * effect of removing this attribute (if previously set)
+ *
+ * This function replaces the existing sdp_access_proto_t
+ * structure (if any) with the new one specified.
+ *
+ * returns 0 if successful or -1 if there is a failure.
+ */
+int sdp_set_access_protos(sdp_record_t *rec, const sdp_list_t *ap)
+{
+ const sdp_list_t *p;
+ sdp_data_t *protos = NULL;
+
+ for (p = ap; p; p = p->next) {
+ sdp_data_t *seq = access_proto_to_dataseq(rec, p->data);
+ protos = sdp_seq_append(protos, seq);
+ }
+
+ sdp_attr_add(rec, SDP_ATTR_PROTO_DESC_LIST, protos);
+
+ return 0;
+}
+
+int sdp_set_add_access_protos(sdp_record_t *rec, const sdp_list_t *ap)
+{
+ const sdp_list_t *p;
+ sdp_data_t *protos = NULL;
+
+ for (p = ap; p; p = p->next) {
+ sdp_data_t *seq = access_proto_to_dataseq(rec, p->data);
+ protos = sdp_seq_append(protos, seq);
+ }
+
+ sdp_attr_add(rec, SDP_ATTR_ADD_PROTO_DESC_LIST,
+ protos ? sdp_data_alloc(SDP_SEQ8, protos) : NULL);
+
+ return 0;
+}
+
+/*
+ * set the "LanguageBase" attributes of the service record
+ * record to the value specified in "langAttrList".
+ *
+ * "langAttrList" is a linked list of "sdp_lang_attr_t"
+ * objects, one for each language in which user visible
+ * attributes are present in the service record.
+ *
+ * Using a value of NULL for langAttrList has
+ * effect of removing this attribute (if previously set)
+ *
+ * This function replaces the exisiting sdp_lang_attr_t
+ * structure (if any) with the new one specified.
+ *
+ * returns 0 if successful or -1 if there is a failure.
+ */
+int sdp_set_lang_attr(sdp_record_t *rec, const sdp_list_t *seq)
+{
+ uint8_t uint16 = SDP_UINT16;
+ int status = 0, i = 0, seqlen = sdp_list_len(seq);
+ void **dtds, **values;
+ const sdp_list_t *p;
+
+ dtds = malloc(3 * seqlen * sizeof(void *));
+ if (!dtds)
+ return -1;
+
+ values = malloc(3 * seqlen * sizeof(void *));
+ if (!values) {
+ free(dtds);
+ return -1;
+ }
+
+ for (p = seq; p; p = p->next) {
+ sdp_lang_attr_t *lang = p->data;
+ if (!lang) {
+ status = -1;
+ break;
+ }
+ dtds[i] = &uint16;
+ values[i] = &lang->code_ISO639;
+ i++;
+ dtds[i] = &uint16;
+ values[i] = &lang->encoding;
+ i++;
+ dtds[i] = &uint16;
+ values[i] = &lang->base_offset;
+ i++;
+ }
+ if (status == 0) {
+ sdp_data_t *seq = sdp_seq_alloc(dtds, values, 3 * seqlen);
+ sdp_attr_add(rec, SDP_ATTR_LANG_BASE_ATTR_ID_LIST, seq);
+ }
+ free(dtds);
+ free(values);
+ return status;
+}
+
+/*
+ * set the "ServiceID" attribute of the service.
+ *
+ * This is the UUID of the service.
+ *
+ * returns 0 if successful or -1 if there is a failure.
+ */
+void sdp_set_service_id(sdp_record_t *rec, uuid_t uuid)
+{
+ switch (uuid.type) {
+ case SDP_UUID16:
+ sdp_attr_add_new(rec, SDP_ATTR_SERVICE_ID, SDP_UUID16,
+ &uuid.value.uuid16);
+ break;
+ case SDP_UUID32:
+ sdp_attr_add_new(rec, SDP_ATTR_SERVICE_ID, SDP_UUID32,
+ &uuid.value.uuid32);
+ break;
+ case SDP_UUID128:
+ sdp_attr_add_new(rec, SDP_ATTR_SERVICE_ID, SDP_UUID128,
+ &uuid.value.uuid128);
+ break;
+ }
+ sdp_pattern_add_uuid(rec, &uuid);
+}
+
+/*
+ * set the GroupID attribute of the service record defining a group.
+ *
+ * This is the UUID of the group.
+ *
+ * returns 0 if successful or -1 if there is a failure.
+ */
+void sdp_set_group_id(sdp_record_t *rec, uuid_t uuid)
+{
+ switch (uuid.type) {
+ case SDP_UUID16:
+ sdp_attr_add_new(rec, SDP_ATTR_GROUP_ID, SDP_UUID16,
+ &uuid.value.uuid16);
+ break;
+ case SDP_UUID32:
+ sdp_attr_add_new(rec, SDP_ATTR_GROUP_ID, SDP_UUID32,
+ &uuid.value.uuid32);
+ break;
+ case SDP_UUID128:
+ sdp_attr_add_new(rec, SDP_ATTR_GROUP_ID, SDP_UUID128,
+ &uuid.value.uuid128);
+ break;
+ }
+ sdp_pattern_add_uuid(rec, &uuid);
+}
+
+/*
+ * set the ProfileDescriptorList attribute of the service record
+ * pointed to by record to the value specified in "profileDesc".
+ *
+ * Each element in the list is an object of type
+ * sdp_profile_desc_t which is a definition of the
+ * Bluetooth profile that this service conforms to.
+ *
+ * Using a value of NULL for profileDesc has
+ * effect of removing this attribute (if previously set)
+ *
+ * This function replaces the exisiting ProfileDescriptorList
+ * structure (if any) with the new one specified.
+ *
+ * returns 0 if successful or -1 if there is a failure.
+ */
+int sdp_set_profile_descs(sdp_record_t *rec, const sdp_list_t *profiles)
+{
+ int status = 0;
+ uint8_t uuid16 = SDP_UUID16;
+ uint8_t uuid32 = SDP_UUID32;
+ uint8_t uuid128 = SDP_UUID128;
+ uint8_t uint16 = SDP_UINT16;
+ int i = 0, seqlen = sdp_list_len(profiles);
+ void **seqDTDs, **seqs;
+ const sdp_list_t *p;
+ sdp_data_t *pAPSeq;
+
+ seqDTDs = malloc(seqlen * sizeof(void *));
+ if (!seqDTDs)
+ return -1;
+
+ seqs = malloc(seqlen * sizeof(void *));
+ if (!seqs) {
+ free(seqDTDs);
+ return -1;
+ }
+
+ for (p = profiles; p; p = p->next) {
+ sdp_data_t *seq;
+ void *dtds[2], *values[2];
+ sdp_profile_desc_t *profile = p->data;
+ if (!profile) {
+ status = -1;
+ goto end;
+ }
+ switch (profile->uuid.type) {
+ case SDP_UUID16:
+ dtds[0] = &uuid16;
+ values[0] = &profile->uuid.value.uuid16;
+ break;
+ case SDP_UUID32:
+ dtds[0] = &uuid32;
+ values[0] = &profile->uuid.value.uuid32;
+ break;
+ case SDP_UUID128:
+ dtds[0] = &uuid128;
+ values[0] = &profile->uuid.value.uuid128;
+ break;
+ default:
+ status = -1;
+ goto end;
+ }
+ dtds[1] = &uint16;
+ values[1] = &profile->version;
+ seq = sdp_seq_alloc(dtds, values, 2);
+
+ if (seq == NULL) {
+ status = -1;
+ goto end;
+ }
+
+ seqDTDs[i] = &seq->dtd;
+ seqs[i] = seq;
+ sdp_pattern_add_uuid(rec, &profile->uuid);
+ i++;
+ }
+
+ pAPSeq = sdp_seq_alloc(seqDTDs, seqs, seqlen);
+ sdp_attr_add(rec, SDP_ATTR_PFILE_DESC_LIST, pAPSeq);
+end:
+ free(seqDTDs);
+ free(seqs);
+ return status;
+}
+
+/*
+ * sets various URL attributes of the service
+ * pointed to by record. The URL include
+ *
+ * client: a URL to the client's
+ * platform specific (WinCE, PalmOS) executable
+ * code that can be used to access this service.
+ *
+ * doc: a URL pointing to service documentation
+ *
+ * icon: a URL to an icon that can be used to represent
+ * this service.
+ *
+ * Note that you need to pass NULL for any URLs
+ * that you don't want to set or remove
+ */
+void sdp_set_url_attr(sdp_record_t *rec, const char *client, const char *doc,
+ const char *icon)
+{
+ sdp_attr_add_new(rec, SDP_ATTR_CLNT_EXEC_URL, SDP_URL_STR8, client);
+ sdp_attr_add_new(rec, SDP_ATTR_DOC_URL, SDP_URL_STR8, doc);
+ sdp_attr_add_new(rec, SDP_ATTR_ICON_URL, SDP_URL_STR8, icon);
+}
+
+uuid_t *sdp_uuid16_create(uuid_t *u, uint16_t val)
+{
+ memset(u, 0, sizeof(uuid_t));
+ u->type = SDP_UUID16;
+ u->value.uuid16 = val;
+ return u;
+}
+
+uuid_t *sdp_uuid32_create(uuid_t *u, uint32_t val)
+{
+ memset(u, 0, sizeof(uuid_t));
+ u->type = SDP_UUID32;
+ u->value.uuid32 = val;
+ return u;
+}
+
+uuid_t *sdp_uuid128_create(uuid_t *u, const void *val)
+{
+ memset(u, 0, sizeof(uuid_t));
+ u->type = SDP_UUID128;
+ memcpy(&u->value.uuid128, val, sizeof(uint128_t));
+ return u;
+}
+
+/*
+ * UUID comparison function
+ * returns 0 if uuidValue1 == uuidValue2 else -1
+ */
+int sdp_uuid_cmp(const void *p1, const void *p2)
+{
+ uuid_t *u1 = sdp_uuid_to_uuid128(p1);
+ uuid_t *u2 = sdp_uuid_to_uuid128(p2);
+ int ret;
+
+ ret = sdp_uuid128_cmp(u1, u2);
+
+ bt_free(u1);
+ bt_free(u2);
+
+ return ret;
+}
+
+/*
+ * UUID comparison function
+ * returns 0 if uuidValue1 == uuidValue2 else -1
+ */
+int sdp_uuid16_cmp(const void *p1, const void *p2)
+{
+ const uuid_t *u1 = p1;
+ const uuid_t *u2 = p2;
+ return memcmp(&u1->value.uuid16, &u2->value.uuid16, sizeof(uint16_t));
+}
+
+/*
+ * UUID comparison function
+ * returns 0 if uuidValue1 == uuidValue2 else -1
+ */
+int sdp_uuid128_cmp(const void *p1, const void *p2)
+{
+ const uuid_t *u1 = p1;
+ const uuid_t *u2 = p2;
+ return memcmp(&u1->value.uuid128, &u2->value.uuid128, sizeof(uint128_t));
+}
+
+/*
+ * 128 to 16 bit and 32 to 16 bit UUID conversion functions
+ * yet to be implemented. Note that the input is in NBO in
+ * both 32 and 128 bit UUIDs and conversion is needed
+ */
+void sdp_uuid16_to_uuid128(uuid_t *uuid128, const uuid_t *uuid16)
+{
+ /*
+ * We have a 16 bit value, which needs to be added to
+ * bytes 3 and 4 (at indices 2 and 3) of the Bluetooth base
+ */
+ unsigned short data1;
+
+ /* allocate a 128bit UUID and init to the Bluetooth base UUID */
+ uuid128->value.uuid128 = bluetooth_base_uuid;
+ uuid128->type = SDP_UUID128;
+
+ /* extract bytes 2 and 3 of 128bit BT base UUID */
+ memcpy(&data1, &bluetooth_base_uuid.data[2], 2);
+
+ /* add the given UUID (16 bits) */
+ data1 += htons(uuid16->value.uuid16);
+
+ /* set bytes 2 and 3 of the 128 bit value */
+ memcpy(&uuid128->value.uuid128.data[2], &data1, 2);
+}
+
+void sdp_uuid32_to_uuid128(uuid_t *uuid128, const uuid_t *uuid32)
+{
+ /*
+ * We have a 32 bit value, which needs to be added to
+ * bytes 1->4 (at indices 0 thru 3) of the Bluetooth base
+ */
+ unsigned int data0;
+
+ /* allocate a 128bit UUID and init to the Bluetooth base UUID */
+ uuid128->value.uuid128 = bluetooth_base_uuid;
+ uuid128->type = SDP_UUID128;
+
+ /* extract first 4 bytes */
+ memcpy(&data0, &bluetooth_base_uuid.data[0], 4);
+
+ /* add the given UUID (32bits) */
+ data0 += htonl(uuid32->value.uuid32);
+
+ /* set the 4 bytes of the 128 bit value */
+ memcpy(&uuid128->value.uuid128.data[0], &data0, 4);
+}
+
+uuid_t *sdp_uuid_to_uuid128(const uuid_t *uuid)
+{
+ uuid_t *uuid128 = bt_malloc(sizeof(uuid_t));
+
+ if (!uuid128)
+ return NULL;
+
+ memset(uuid128, 0, sizeof(uuid_t));
+ switch (uuid->type) {
+ case SDP_UUID128:
+ *uuid128 = *uuid;
+ break;
+ case SDP_UUID32:
+ sdp_uuid32_to_uuid128(uuid128, uuid);
+ break;
+ case SDP_UUID16:
+ sdp_uuid16_to_uuid128(uuid128, uuid);
+ break;
+ }
+ return uuid128;
+}
+
+/*
+ * converts a 128-bit uuid to a 16/32-bit one if possible
+ * returns true if uuid contains a 16/32-bit UUID at exit
+ */
+int sdp_uuid128_to_uuid(uuid_t *uuid)
+{
+ uint128_t *b = &bluetooth_base_uuid;
+ uint128_t *u = &uuid->value.uuid128;
+ uint32_t data;
+ unsigned int i;
+
+ if (uuid->type != SDP_UUID128)
+ return 1;
+
+ for (i = 4; i < sizeof(b->data); i++)
+ if (b->data[i] != u->data[i])
+ return 0;
+
+ memcpy(&data, u->data, 4);
+ data = htonl(data);
+ if (data <= 0xffff) {
+ uuid->type = SDP_UUID16;
+ uuid->value.uuid16 = (uint16_t) data;
+ } else {
+ uuid->type = SDP_UUID32;
+ uuid->value.uuid32 = data;
+ }
+ return 1;
+}
+
+/*
+ * convert a UUID to the 16-bit short-form
+ */
+int sdp_uuid_to_proto(uuid_t *uuid)
+{
+ uuid_t u = *uuid;
+ if (sdp_uuid128_to_uuid(&u)) {
+ switch (u.type) {
+ case SDP_UUID16:
+ return u.value.uuid16;
+ case SDP_UUID32:
+ return u.value.uuid32;
+ }
+ }
+ return 0;
+}
+
+/*
+ * This function appends data to the PDU buffer "dst" from source "src".
+ * The data length is also computed and set.
+ * Should the PDU length exceed 2^8, then sequence type is
+ * set accordingly and the data is memmove()'d.
+ */
+void sdp_append_to_buf(sdp_buf_t *dst, uint8_t *data, uint32_t len)
+{
+ uint8_t *p = dst->data;
+ uint8_t dtd = *p;
+
+ SDPDBG("Append src size: %d", len);
+ SDPDBG("Append dst size: %d", dst->data_size);
+ SDPDBG("Dst buffer size: %d", dst->buf_size);
+ if (dst->data_size == 0 && dtd == 0) {
+ /* create initial sequence */
+ *p = SDP_SEQ8;
+ dst->data_size += sizeof(uint8_t);
+ /* reserve space for sequence size */
+ dst->data_size += sizeof(uint8_t);
+ }
+
+ memcpy(dst->data + dst->data_size, data, len);
+ dst->data_size += len;
+
+ dtd = *(uint8_t *) dst->data;
+ if (dst->data_size > UCHAR_MAX && dtd == SDP_SEQ8) {
+ short offset = sizeof(uint8_t) + sizeof(uint8_t);
+ memmove(dst->data + offset + 1, dst->data + offset,
+ dst->data_size - offset);
+ *p = SDP_SEQ16;
+ dst->data_size += 1;
+ }
+ dtd = *(uint8_t *) p;
+ p += sizeof(uint8_t);
+ switch (dtd) {
+ case SDP_SEQ8:
+ *(uint8_t *) p = dst->data_size - sizeof(uint8_t) - sizeof(uint8_t);
+ break;
+ case SDP_SEQ16:
+ bt_put_be16(dst->data_size - sizeof(uint8_t) - sizeof(uint16_t), p);
+ break;
+ case SDP_SEQ32:
+ bt_put_be32(dst->data_size - sizeof(uint8_t) - sizeof(uint32_t), p);
+ break;
+ }
+}
+
+void sdp_append_to_pdu(sdp_buf_t *pdu, sdp_data_t *d)
+{
+ sdp_buf_t append;
+
+ memset(&append, 0, sizeof(sdp_buf_t));
+ sdp_gen_buffer(&append, d);
+ append.data = malloc(append.buf_size);
+ if (!append.data)
+ return;
+
+ sdp_set_attrid(&append, d->attrId);
+ sdp_gen_pdu(&append, d);
+ sdp_append_to_buf(pdu, append.data, append.data_size);
+ free(append.data);
+}
+
+/*
+ * Registers an sdp record.
+ *
+ * It is incorrect to call this method on a record that
+ * has been already registered with the server.
+ *
+ * Returns zero on success, otherwise -1 (and sets errno).
+ */
+int sdp_device_record_register_binary(sdp_session_t *session, bdaddr_t *device, uint8_t *data, uint32_t size, uint8_t flags, uint32_t *handle)
+{
+ uint8_t *req, *rsp, *p;
+ uint32_t reqsize, rspsize;
+ sdp_pdu_hdr_t *reqhdr, *rsphdr;
+ int status;
+
+ SDPDBG("");
+
+ if (!session->local) {
+ errno = EREMOTE;
+ return -1;
+ }
+ req = malloc(SDP_REQ_BUFFER_SIZE);
+ rsp = malloc(SDP_RSP_BUFFER_SIZE);
+ if (req == NULL || rsp == NULL) {
+ status = -1;
+ errno = ENOMEM;
+ goto end;
+ }
+
+ reqhdr = (sdp_pdu_hdr_t *)req;
+ reqhdr->pdu_id = SDP_SVC_REGISTER_REQ;
+ reqhdr->tid = htons(sdp_gen_tid(session));
+ reqsize = sizeof(sdp_pdu_hdr_t) + 1;
+ p = req + sizeof(sdp_pdu_hdr_t);
+
+ if (bacmp(device, BDADDR_ANY)) {
+ *p++ = flags | SDP_DEVICE_RECORD;
+ bacpy((bdaddr_t *) p, device);
+ p += sizeof(bdaddr_t);
+ reqsize += sizeof(bdaddr_t);
+ } else
+ *p++ = flags;
+
+ memcpy(p, data, size);
+ reqsize += size;
+ reqhdr->plen = htons(reqsize - sizeof(sdp_pdu_hdr_t));
+
+ status = sdp_send_req_w4_rsp(session, req, rsp, reqsize, &rspsize);
+ if (status < 0)
+ goto end;
+
+ if (rspsize < sizeof(sdp_pdu_hdr_t)) {
+ SDPERR("Unexpected end of packet");
+ errno = EPROTO;
+ status = -1;
+ goto end;
+ }
+
+ rsphdr = (sdp_pdu_hdr_t *) rsp;
+ p = rsp + sizeof(sdp_pdu_hdr_t);
+
+ if (rsphdr->pdu_id == SDP_ERROR_RSP) {
+ /* Invalid service record */
+ errno = EINVAL;
+ status = -1;
+ } else if (rsphdr->pdu_id != SDP_SVC_REGISTER_RSP) {
+ errno = EPROTO;
+ status = -1;
+ } else {
+ if (rspsize < sizeof(sdp_pdu_hdr_t) + sizeof(uint32_t)) {
+ SDPERR("Unexpected end of packet");
+ errno = EPROTO;
+ status = -1;
+ goto end;
+ }
+ if (handle)
+ *handle = bt_get_be32(p);
+ }
+
+end:
+ free(req);
+ free(rsp);
+
+ return status;
+}
+
+int sdp_device_record_register(sdp_session_t *session, bdaddr_t *device, sdp_record_t *rec, uint8_t flags)
+{
+ sdp_buf_t pdu;
+ uint32_t handle;
+ int err;
+
+ SDPDBG("");
+
+ if (rec->handle && rec->handle != 0xffffffff) {
+ uint32_t handle = rec->handle;
+ sdp_data_t *data = sdp_data_alloc(SDP_UINT32, &handle);
+ sdp_attr_replace(rec, SDP_ATTR_RECORD_HANDLE, data);
+ }
+
+ if (sdp_gen_record_pdu(rec, &pdu) < 0) {
+ errno = ENOMEM;
+ return -1;
+ }
+
+ err = sdp_device_record_register_binary(session, device,
+ pdu.data, pdu.data_size, flags, &handle);
+
+ free(pdu.data);
+
+ if (err == 0) {
+ sdp_data_t *data = sdp_data_alloc(SDP_UINT32, &handle);
+ rec->handle = handle;
+ sdp_attr_replace(rec, SDP_ATTR_RECORD_HANDLE, data);
+ }
+
+ return err;
+}
+
+int sdp_record_register(sdp_session_t *session, sdp_record_t *rec, uint8_t flags)
+{
+ return sdp_device_record_register(session, BDADDR_ANY, rec, flags);
+}
+
+/*
+ * unregister a service record
+ */
+int sdp_device_record_unregister_binary(sdp_session_t *session, bdaddr_t *device, uint32_t handle)
+{
+ uint8_t *reqbuf, *rspbuf, *p;
+ uint32_t reqsize = 0, rspsize = 0;
+ sdp_pdu_hdr_t *reqhdr, *rsphdr;
+ int status;
+
+ SDPDBG("");
+
+ if (handle == SDP_SERVER_RECORD_HANDLE) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ if (!session->local) {
+ errno = EREMOTE;
+ return -1;
+ }
+
+ reqbuf = malloc(SDP_REQ_BUFFER_SIZE);
+ rspbuf = malloc(SDP_RSP_BUFFER_SIZE);
+ if (!reqbuf || !rspbuf) {
+ errno = ENOMEM;
+ status = -1;
+ goto end;
+ }
+ reqhdr = (sdp_pdu_hdr_t *) reqbuf;
+ reqhdr->pdu_id = SDP_SVC_REMOVE_REQ;
+ reqhdr->tid = htons(sdp_gen_tid(session));
+
+ p = reqbuf + sizeof(sdp_pdu_hdr_t);
+ reqsize = sizeof(sdp_pdu_hdr_t);
+ bt_put_be32(handle, p);
+ reqsize += sizeof(uint32_t);
+
+ reqhdr->plen = htons(reqsize - sizeof(sdp_pdu_hdr_t));
+ status = sdp_send_req_w4_rsp(session, reqbuf, rspbuf, reqsize, &rspsize);
+ if (status < 0)
+ goto end;
+
+ if (rspsize < sizeof(sdp_pdu_hdr_t) + sizeof(uint16_t)) {
+ SDPERR("Unexpected end of packet");
+ errno = EPROTO;
+ status = -1;
+ goto end;
+ }
+
+ rsphdr = (sdp_pdu_hdr_t *) rspbuf;
+ p = rspbuf + sizeof(sdp_pdu_hdr_t);
+
+ if (rsphdr->pdu_id == SDP_ERROR_RSP) {
+ /* For this case the status always is invalid record handle */
+ errno = EINVAL;
+ status = -1;
+ } else if (rsphdr->pdu_id != SDP_SVC_REMOVE_RSP) {
+ errno = EPROTO;
+ status = -1;
+ } else {
+ uint16_t tmp;
+
+ memcpy(&tmp, p, sizeof(tmp));
+
+ status = tmp;
+ }
+end:
+ free(reqbuf);
+ free(rspbuf);
+
+ return status;
+}
+
+int sdp_device_record_unregister(sdp_session_t *session, bdaddr_t *device, sdp_record_t *rec)
+{
+ int err;
+
+ err = sdp_device_record_unregister_binary(session, device, rec->handle);
+ if (err == 0)
+ sdp_record_free(rec);
+
+ return err;
+}
+
+int sdp_record_unregister(sdp_session_t *session, sdp_record_t *rec)
+{
+ return sdp_device_record_unregister(session, BDADDR_ANY, rec);
+}
+
+/*
+ * modify an existing service record
+ */
+int sdp_device_record_update_binary(sdp_session_t *session, bdaddr_t *device, uint32_t handle, uint8_t *data, uint32_t size)
+{
+ return -1;
+}
+
+int sdp_device_record_update(sdp_session_t *session, bdaddr_t *device, const sdp_record_t *rec)
+{
+ uint8_t *reqbuf, *rspbuf, *p;
+ uint32_t reqsize, rspsize;
+ sdp_pdu_hdr_t *reqhdr, *rsphdr;
+ uint32_t handle;
+ sdp_buf_t pdu;
+ int status;
+
+ SDPDBG("");
+
+ handle = rec->handle;
+
+ if (handle == SDP_SERVER_RECORD_HANDLE) {
+ errno = EINVAL;
+ return -1;
+ }
+ if (!session->local) {
+ errno = EREMOTE;
+ return -1;
+ }
+ reqbuf = malloc(SDP_REQ_BUFFER_SIZE);
+ rspbuf = malloc(SDP_RSP_BUFFER_SIZE);
+ if (!reqbuf || !rspbuf) {
+ errno = ENOMEM;
+ status = -1;
+ goto end;
+ }
+ reqhdr = (sdp_pdu_hdr_t *) reqbuf;
+ reqhdr->pdu_id = SDP_SVC_UPDATE_REQ;
+ reqhdr->tid = htons(sdp_gen_tid(session));
+
+ p = reqbuf + sizeof(sdp_pdu_hdr_t);
+ reqsize = sizeof(sdp_pdu_hdr_t);
+
+ bt_put_be32(handle, p);
+ reqsize += sizeof(uint32_t);
+ p += sizeof(uint32_t);
+
+ if (sdp_gen_record_pdu(rec, &pdu) < 0) {
+ errno = ENOMEM;
+ status = -1;
+ goto end;
+ }
+ memcpy(p, pdu.data, pdu.data_size);
+ reqsize += pdu.data_size;
+ free(pdu.data);
+
+ reqhdr->plen = htons(reqsize - sizeof(sdp_pdu_hdr_t));
+ status = sdp_send_req_w4_rsp(session, reqbuf, rspbuf, reqsize, &rspsize);
+ if (status < 0)
+ goto end;
+
+ if (rspsize < sizeof(sdp_pdu_hdr_t) + sizeof(uint16_t)) {
+ SDPERR("Unexpected end of packet");
+ errno = EPROTO;
+ status = -1;
+ goto end;
+ }
+
+ SDPDBG("Send req status : %d", status);
+
+ rsphdr = (sdp_pdu_hdr_t *) rspbuf;
+ p = rspbuf + sizeof(sdp_pdu_hdr_t);
+
+ if (rsphdr->pdu_id == SDP_ERROR_RSP) {
+ /* The status can be invalid sintax or invalid record handle */
+ errno = EINVAL;
+ status = -1;
+ } else if (rsphdr->pdu_id != SDP_SVC_UPDATE_RSP) {
+ errno = EPROTO;
+ status = -1;
+ } else {
+ uint16_t tmp;
+
+ memcpy(&tmp, p, sizeof(tmp));
+
+ status = tmp;
+ }
+end:
+ free(reqbuf);
+ free(rspbuf);
+ return status;
+}
+
+int sdp_record_update(sdp_session_t *session, const sdp_record_t *rec)
+{
+ return sdp_device_record_update(session, BDADDR_ANY, rec);
+}
+
+sdp_record_t *sdp_record_alloc(void)
+{
+ sdp_record_t *rec = malloc(sizeof(sdp_record_t));
+
+ if (!rec)
+ return NULL;
+
+ memset(rec, 0, sizeof(sdp_record_t));
+ rec->handle = 0xffffffff;
+ return rec;
+}
+
+/*
+ * Free the contents of a service record
+ */
+void sdp_record_free(sdp_record_t *rec)
+{
+ sdp_list_free(rec->attrlist, (sdp_free_func_t) sdp_data_free);
+ sdp_list_free(rec->pattern, free);
+ free(rec);
+}
+
+void sdp_pattern_add_uuid(sdp_record_t *rec, uuid_t *uuid)
+{
+ uuid_t *uuid128 = sdp_uuid_to_uuid128(uuid);
+
+ SDPDBG("Elements in target pattern : %d", sdp_list_len(rec->pattern));
+ SDPDBG("Trying to add : 0x%lx", (unsigned long) uuid128);
+
+ if (sdp_list_find(rec->pattern, uuid128, sdp_uuid128_cmp) == NULL)
+ rec->pattern = sdp_list_insert_sorted(rec->pattern, uuid128, sdp_uuid128_cmp);
+ else
+ bt_free(uuid128);
+
+ SDPDBG("Elements in target pattern : %d", sdp_list_len(rec->pattern));
+}
+
+void sdp_pattern_add_uuidseq(sdp_record_t *rec, sdp_list_t *seq)
+{
+ for (; seq; seq = seq->next) {
+ uuid_t *uuid = (uuid_t *)seq->data;
+ sdp_pattern_add_uuid(rec, uuid);
+ }
+}
+
+/*
+ * Extract a sequence of service record handles from a PDU buffer
+ * and add the entries to a sdp_list_t. Note that the service record
+ * handles are not in "data element sequence" form, but just like
+ * an array of service handles
+ */
+static void extract_record_handle_seq(uint8_t *pdu, int bufsize, sdp_list_t **seq, int count, unsigned int *scanned)
+{
+ sdp_list_t *pSeq = *seq;
+ uint8_t *pdata = pdu;
+ int n;
+
+ for (n = 0; n < count; n++) {
+ uint32_t *pSvcRec;
+ if (bufsize < (int) sizeof(uint32_t)) {
+ SDPERR("Unexpected end of packet");
+ break;
+ }
+ pSvcRec = malloc(sizeof(uint32_t));
+ if (!pSvcRec)
+ break;
+ *pSvcRec = bt_get_be32(pdata);
+ pSeq = sdp_list_append(pSeq, pSvcRec);
+ pdata += sizeof(uint32_t);
+ *scanned += sizeof(uint32_t);
+ bufsize -= sizeof(uint32_t);
+ }
+ *seq = pSeq;
+}
+/*
+ * Generate the attribute sequence pdu form
+ * from sdp_list_t elements. Return length of attr seq
+ */
+static int gen_dataseq_pdu(uint8_t *dst, const sdp_list_t *seq, uint8_t dtd)
+{
+ sdp_data_t *dataseq;
+ void **types, **values;
+ sdp_buf_t buf;
+ int i, seqlen = sdp_list_len(seq);
+
+ /* Fill up the value and the dtd arrays */
+ SDPDBG("");
+
+ SDPDBG("Seq length : %d", seqlen);
+
+ types = malloc(seqlen * sizeof(void *));
+ if (!types)
+ return -ENOMEM;
+
+ values = malloc(seqlen * sizeof(void *));
+ if (!values) {
+ free(types);
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < seqlen; i++) {
+ void *data = seq->data;
+ types[i] = &dtd;
+ if (SDP_IS_UUID(dtd))
+ data = &((uuid_t *)data)->value;
+ values[i] = data;
+ seq = seq->next;
+ }
+
+ dataseq = sdp_seq_alloc(types, values, seqlen);
+ if (!dataseq) {
+ free(types);
+ free(values);
+ return -ENOMEM;
+ }
+
+ memset(&buf, 0, sizeof(sdp_buf_t));
+ sdp_gen_buffer(&buf, dataseq);
+ buf.data = malloc(buf.buf_size);
+
+ if (!buf.data) {
+ sdp_data_free(dataseq);
+ free(types);
+ free(values);
+ return -ENOMEM;
+ }
+
+ SDPDBG("Data Seq : 0x%p", seq);
+ seqlen = sdp_gen_pdu(&buf, dataseq);
+ SDPDBG("Copying : %d", buf.data_size);
+ memcpy(dst, buf.data, buf.data_size);
+
+ sdp_data_free(dataseq);
+
+ free(types);
+ free(values);
+ free(buf.data);
+ return seqlen;
+}
+
+static int gen_searchseq_pdu(uint8_t *dst, const sdp_list_t *seq)
+{
+ uuid_t *uuid = seq->data;
+ return gen_dataseq_pdu(dst, seq, uuid->type);
+}
+
+static int gen_attridseq_pdu(uint8_t *dst, const sdp_list_t *seq, uint8_t dataType)
+{
+ return gen_dataseq_pdu(dst, seq, dataType);
+}
+
+typedef struct {
+ uint8_t length;
+ unsigned char data[16];
+} __attribute__ ((packed)) sdp_cstate_t;
+
+static int copy_cstate(uint8_t *pdata, int pdata_len, const sdp_cstate_t *cstate)
+{
+ if (cstate) {
+ uint8_t len = cstate->length;
+ if (len >= pdata_len) {
+ SDPERR("Continuation state size exceeds internal buffer");
+ len = pdata_len - 1;
+ }
+ *pdata++ = len;
+ memcpy(pdata, cstate->data, len);
+ return len + 1;
+ }
+ *pdata = 0;
+ return 1;
+}
+
+/*
+ * This is a service search request.
+ *
+ * INPUT :
+ *
+ * sdp_list_t *search
+ * Singly linked list containing elements of the search
+ * pattern. Each entry in the list is a UUID (DataTypeSDP_UUID16)
+ * of the service to be searched
+ *
+ * uint16_t max_rec_num
+ * A 16 bit integer which tells the service, the maximum
+ * entries that the client can handle in the response. The
+ * server is obliged not to return > max_rec_num entries
+ *
+ * OUTPUT :
+ *
+ * int return value
+ * 0:
+ * The request completed successfully. This does not
+ * mean the requested services were found
+ * -1:
+ * On any failure and sets errno
+ *
+ * sdp_list_t **rsp_list
+ * This variable is set on a successful return if there are
+ * non-zero service handles. It is a singly linked list of
+ * service record handles (uint16_t)
+ */
+int sdp_service_search_req(sdp_session_t *session, const sdp_list_t *search,
+ uint16_t max_rec_num, sdp_list_t **rsp)
+{
+ int status = 0;
+ uint32_t reqsize = 0, _reqsize;
+ uint32_t rspsize = 0, rsplen;
+ int seqlen = 0;
+ int rec_count;
+ unsigned scanned, pdata_len;
+ uint8_t *pdata, *_pdata;
+ uint8_t *reqbuf, *rspbuf;
+ sdp_pdu_hdr_t *reqhdr, *rsphdr;
+ sdp_cstate_t *cstate = NULL;
+
+ reqbuf = malloc(SDP_REQ_BUFFER_SIZE);
+ rspbuf = malloc(SDP_RSP_BUFFER_SIZE);
+ if (!reqbuf || !rspbuf) {
+ errno = ENOMEM;
+ status = -1;
+ goto end;
+ }
+ reqhdr = (sdp_pdu_hdr_t *) reqbuf;
+ reqhdr->pdu_id = SDP_SVC_SEARCH_REQ;
+ pdata = reqbuf + sizeof(sdp_pdu_hdr_t);
+ reqsize = sizeof(sdp_pdu_hdr_t);
+
+ /* add service class IDs for search */
+ seqlen = gen_searchseq_pdu(pdata, search);
+
+ SDPDBG("Data seq added : %d", seqlen);
+
+ /* set the length and increment the pointer */
+ reqsize += seqlen;
+ pdata += seqlen;
+
+ /* specify the maximum svc rec count that client expects */
+ bt_put_be16(max_rec_num, pdata);
+ reqsize += sizeof(uint16_t);
+ pdata += sizeof(uint16_t);
+
+ _reqsize = reqsize;
+ _pdata = pdata;
+ *rsp = NULL;
+
+ do {
+ /* Add continuation state or NULL (first time) */
+ reqsize = _reqsize + copy_cstate(_pdata,
+ SDP_REQ_BUFFER_SIZE - _reqsize, cstate);
+
+ /* Set the request header's param length */
+ reqhdr->plen = htons(reqsize - sizeof(sdp_pdu_hdr_t));
+
+ reqhdr->tid = htons(sdp_gen_tid(session));
+ /*
+ * Send the request, wait for response and if
+ * no error, set the appropriate values and return
+ */
+ status = sdp_send_req_w4_rsp(session, reqbuf, rspbuf, reqsize, &rspsize);
+ if (status < 0)
+ goto end;
+
+ if (rspsize < sizeof(sdp_pdu_hdr_t)) {
+ SDPERR("Unexpected end of packet");
+ status = -1;
+ goto end;
+ }
+
+ rsphdr = (sdp_pdu_hdr_t *) rspbuf;
+ rsplen = ntohs(rsphdr->plen);
+
+ if (rsphdr->pdu_id == SDP_ERROR_RSP) {
+ SDPDBG("Status : 0x%x", rsphdr->pdu_id);
+ status = -1;
+ goto end;
+ }
+ scanned = 0;
+ pdata = rspbuf + sizeof(sdp_pdu_hdr_t);
+ pdata_len = rspsize - sizeof(sdp_pdu_hdr_t);
+
+ if (pdata_len < sizeof(uint16_t) + sizeof(uint16_t)) {
+ SDPERR("Unexpected end of packet");
+ status = -1;
+ goto end;
+ }
+
+ /* net service record match count */
+ pdata += sizeof(uint16_t);
+ scanned += sizeof(uint16_t);
+ pdata_len -= sizeof(uint16_t);
+ rec_count = bt_get_be16(pdata);
+ pdata += sizeof(uint16_t);
+ scanned += sizeof(uint16_t);
+ pdata_len -= sizeof(uint16_t);
+
+ SDPDBG("Current svc count: %d", rec_count);
+ SDPDBG("ResponseLength: %d", rsplen);
+
+ if (!rec_count) {
+ status = -1;
+ goto end;
+ }
+ extract_record_handle_seq(pdata, pdata_len, rsp, rec_count, &scanned);
+ SDPDBG("BytesScanned : %d", scanned);
+
+ if (rsplen > scanned) {
+ uint8_t cstate_len;
+
+ if (rspsize < sizeof(sdp_pdu_hdr_t) + scanned + sizeof(uint8_t)) {
+ SDPERR("Unexpected end of packet: continuation state data missing");
+ status = -1;
+ goto end;
+ }
+
+ pdata = rspbuf + sizeof(sdp_pdu_hdr_t) + scanned;
+ cstate_len = *(uint8_t *) pdata;
+ if (cstate_len > 0) {
+ cstate = (sdp_cstate_t *)pdata;
+ SDPDBG("Cont state length: %d", cstate_len);
+ } else
+ cstate = NULL;
+ }
+ } while (cstate);
+
+end:
+ free(reqbuf);
+ free(rspbuf);
+
+ return status;
+}
+
+/*
+ * This is a service attribute request.
+ *
+ * INPUT :
+ *
+ * uint32_t handle
+ * The handle of the service for which the attribute(s) are
+ * requested
+ *
+ * sdp_attrreq_type_t reqtype
+ * Attribute identifiers are 16 bit unsigned integers specified
+ * in one of 2 ways described below :
+ * SDP_ATTR_REQ_INDIVIDUAL - 16bit individual identifiers
+ * They are the actual attribute identifiers in ascending order
+ *
+ * SDP_ATTR_REQ_RANGE - 32bit identifier range
+ * The high-order 16bits is the start of range
+ * the low-order 16bits are the end of range
+ * 0x0000 to 0xFFFF gets all attributes
+ *
+ * sdp_list_t *attrid
+ * Singly linked list containing attribute identifiers desired.
+ * Every element is either a uint16_t(attrSpec = SDP_ATTR_REQ_INDIVIDUAL)
+ * or a uint32_t(attrSpec=SDP_ATTR_REQ_RANGE)
+ *
+ * OUTPUT :
+ * return sdp_record_t *
+ * 0:
+ * On any error and sets errno
+ * !0:
+ * The service record
+ */
+sdp_record_t *sdp_service_attr_req(sdp_session_t *session, uint32_t handle,
+ sdp_attrreq_type_t reqtype, const sdp_list_t *attrids)
+{
+ uint32_t reqsize = 0, _reqsize;
+ uint32_t rspsize = 0, rsp_count;
+ int attr_list_len = 0;
+ int seqlen = 0;
+ unsigned int pdata_len;
+ uint8_t *pdata, *_pdata;
+ uint8_t *reqbuf, *rspbuf;
+ sdp_pdu_hdr_t *reqhdr, *rsphdr;
+ sdp_cstate_t *cstate = NULL;
+ uint8_t cstate_len = 0;
+ sdp_buf_t rsp_concat_buf;
+ sdp_record_t *rec = 0;
+
+ if (reqtype != SDP_ATTR_REQ_INDIVIDUAL && reqtype != SDP_ATTR_REQ_RANGE) {
+ errno = EINVAL;
+ return NULL;
+ }
+
+ memset(&rsp_concat_buf, 0, sizeof(sdp_buf_t));
+
+ reqbuf = malloc(SDP_REQ_BUFFER_SIZE);
+ rspbuf = malloc(SDP_RSP_BUFFER_SIZE);
+ if (!reqbuf || !rspbuf) {
+ errno = ENOMEM;
+ goto end;
+ }
+ reqhdr = (sdp_pdu_hdr_t *) reqbuf;
+ reqhdr->pdu_id = SDP_SVC_ATTR_REQ;
+
+ pdata = reqbuf + sizeof(sdp_pdu_hdr_t);
+ reqsize = sizeof(sdp_pdu_hdr_t);
+
+ /* add the service record handle */
+ bt_put_be32(handle, pdata);
+ reqsize += sizeof(uint32_t);
+ pdata += sizeof(uint32_t);
+
+ /* specify the response limit */
+ bt_put_be16(65535, pdata);
+ reqsize += sizeof(uint16_t);
+ pdata += sizeof(uint16_t);
+
+ /* get attr seq PDU form */
+ seqlen = gen_attridseq_pdu(pdata, attrids,
+ reqtype == SDP_ATTR_REQ_INDIVIDUAL? SDP_UINT16 : SDP_UINT32);
+ if (seqlen == -1) {
+ errno = EINVAL;
+ goto end;
+ }
+ pdata += seqlen;
+ reqsize += seqlen;
+ SDPDBG("Attr list length : %d", seqlen);
+
+ /* save before Continuation State */
+ _pdata = pdata;
+ _reqsize = reqsize;
+
+ do {
+ int status;
+
+ /* add NULL continuation state */
+ reqsize = _reqsize + copy_cstate(_pdata,
+ SDP_REQ_BUFFER_SIZE - _reqsize, cstate);
+
+ /* set the request header's param length */
+ reqhdr->tid = htons(sdp_gen_tid(session));
+ reqhdr->plen = htons(reqsize - sizeof(sdp_pdu_hdr_t));
+
+ status = sdp_send_req_w4_rsp(session, reqbuf, rspbuf, reqsize, &rspsize);
+ if (status < 0)
+ goto end;
+
+ if (rspsize < sizeof(sdp_pdu_hdr_t)) {
+ SDPERR("Unexpected end of packet");
+ goto end;
+ }
+
+ rsphdr = (sdp_pdu_hdr_t *) rspbuf;
+ if (rsphdr->pdu_id == SDP_ERROR_RSP) {
+ SDPDBG("PDU ID : 0x%x", rsphdr->pdu_id);
+ goto end;
+ }
+ pdata = rspbuf + sizeof(sdp_pdu_hdr_t);
+ pdata_len = rspsize - sizeof(sdp_pdu_hdr_t);
+
+ if (pdata_len < sizeof(uint16_t)) {
+ SDPERR("Unexpected end of packet");
+ goto end;
+ }
+
+ rsp_count = bt_get_be16(pdata);
+ attr_list_len += rsp_count;
+ pdata += sizeof(uint16_t);
+ pdata_len -= sizeof(uint16_t);
+
+ /*
+ * if continuation state set need to re-issue request before
+ * parsing
+ */
+ if (pdata_len < rsp_count + sizeof(uint8_t)) {
+ SDPERR("Unexpected end of packet: continuation state data missing");
+ goto end;
+ }
+ cstate_len = *(uint8_t *) (pdata + rsp_count);
+
+ SDPDBG("Response id : %d", rsphdr->pdu_id);
+ SDPDBG("Attrlist byte count : %d", rsp_count);
+ SDPDBG("sdp_cstate_t length : %d", cstate_len);
+
+ /*
+ * a split response: concatenate intermediate responses
+ * and the last one (which has cstate_len == 0)
+ */
+ if (cstate_len > 0 || rsp_concat_buf.data_size != 0) {
+ uint8_t *targetPtr = NULL;
+
+ cstate = cstate_len > 0 ? (sdp_cstate_t *) (pdata + rsp_count) : 0;
+
+ /* build concatenated response buffer */
+ rsp_concat_buf.data = realloc(rsp_concat_buf.data, rsp_concat_buf.data_size + rsp_count);
+ rsp_concat_buf.buf_size = rsp_concat_buf.data_size + rsp_count;
+ targetPtr = rsp_concat_buf.data + rsp_concat_buf.data_size;
+ memcpy(targetPtr, pdata, rsp_count);
+ rsp_concat_buf.data_size += rsp_count;
+ }
+ } while (cstate);
+
+ if (attr_list_len > 0) {
+ int scanned = 0;
+ if (rsp_concat_buf.data_size != 0) {
+ pdata = rsp_concat_buf.data;
+ pdata_len = rsp_concat_buf.data_size;
+ }
+ rec = sdp_extract_pdu(pdata, pdata_len, &scanned);
+ }
+
+end:
+ free(reqbuf);
+ free(rsp_concat_buf.data);
+ free(rspbuf);
+ return rec;
+}
+
+/*
+ * SDP transaction structure for asynchronous search
+ */
+struct sdp_transaction {
+ sdp_callback_t *cb; /* called when the transaction finishes */
+ void *udata; /* client user data */
+ uint8_t *reqbuf; /* pointer to request PDU */
+ sdp_buf_t rsp_concat_buf;
+ uint32_t reqsize; /* without cstate */
+ int err; /* ZERO if success or the errno if failed */
+};
+
+/*
+ * Creates a new sdp session for asynchronous search
+ * INPUT:
+ * int sk
+ * non-blocking L2CAP socket
+ *
+ * RETURN:
+ * sdp_session_t *
+ * NULL - On memory allocation failure
+ */
+sdp_session_t *sdp_create(int sk, uint32_t flags)
+{
+ sdp_session_t *session;
+ struct sdp_transaction *t;
+
+ session = malloc(sizeof(sdp_session_t));
+ if (!session) {
+ errno = ENOMEM;
+ return NULL;
+ }
+ memset(session, 0, sizeof(*session));
+
+ session->flags = flags;
+ session->sock = sk;
+
+ t = malloc(sizeof(struct sdp_transaction));
+ if (!t) {
+ errno = ENOMEM;
+ free(session);
+ return NULL;
+ }
+ memset(t, 0, sizeof(*t));
+
+ session->priv = t;
+
+ return session;
+}
+
+/*
+ * Sets the callback function/user data used to notify the application
+ * that the asynchronous transaction finished. This function must be
+ * called before request an asynchronous search.
+ *
+ * INPUT:
+ * sdp_session_t *session
+ * Current sdp session to be handled
+ * sdp_callback_t *cb
+ * callback to be called when the transaction finishes
+ * void *udata
+ * user data passed to callback
+ * RETURN:
+ * 0 - Success
+ * -1 - Failure
+ */
+int sdp_set_notify(sdp_session_t *session, sdp_callback_t *func, void *udata)
+{
+ struct sdp_transaction *t;
+
+ if (!session || !session->priv)
+ return -1;
+
+ t = session->priv;
+ t->cb = func;
+ t->udata = udata;
+
+ return 0;
+}
+
+/*
+ * This function starts an asynchronous service search request.
+ * The incoming and outgoing data are stored in the transaction structure
+ * buffers. When there is incoming data the sdp_process function must be
+ * called to get the data and handle the continuation state.
+ *
+ * INPUT :
+ * sdp_session_t *session
+ * Current sdp session to be handled
+ *
+ * sdp_list_t *search
+ * Singly linked list containing elements of the search
+ * pattern. Each entry in the list is a UUID (DataTypeSDP_UUID16)
+ * of the service to be searched
+ *
+ * uint16_t max_rec_num
+ * A 16 bit integer which tells the service, the maximum
+ * entries that the client can handle in the response. The
+ * server is obliged not to return > max_rec_num entries
+ *
+ * OUTPUT :
+ *
+ * int return value
+ * 0 - if the request has been sent properly
+ * -1 - On any failure and sets errno
+ */
+
+int sdp_service_search_async(sdp_session_t *session, const sdp_list_t *search, uint16_t max_rec_num)
+{
+ struct sdp_transaction *t;
+ sdp_pdu_hdr_t *reqhdr;
+ uint8_t *pdata;
+ int cstate_len, seqlen = 0;
+
+ if (!session || !session->priv)
+ return -1;
+
+ t = session->priv;
+
+ /* clean possible allocated buffer */
+ free(t->rsp_concat_buf.data);
+ memset(&t->rsp_concat_buf, 0, sizeof(sdp_buf_t));
+
+ if (!t->reqbuf) {
+ t->reqbuf = malloc(SDP_REQ_BUFFER_SIZE);
+ if (!t->reqbuf) {
+ t->err = ENOMEM;
+ goto end;
+ }
+ }
+ memset(t->reqbuf, 0, SDP_REQ_BUFFER_SIZE);
+
+ reqhdr = (sdp_pdu_hdr_t *) t->reqbuf;
+ reqhdr->tid = htons(sdp_gen_tid(session));
+ reqhdr->pdu_id = SDP_SVC_SEARCH_REQ;
+
+ /* generate PDU */
+ pdata = t->reqbuf + sizeof(sdp_pdu_hdr_t);
+ t->reqsize = sizeof(sdp_pdu_hdr_t);
+
+ /* add service class IDs for search */
+ seqlen = gen_searchseq_pdu(pdata, search);
+
+ SDPDBG("Data seq added : %d", seqlen);
+
+ /* now set the length and increment the pointer */
+ t->reqsize += seqlen;
+ pdata += seqlen;
+
+ bt_put_be16(max_rec_num, pdata);
+ t->reqsize += sizeof(uint16_t);
+ pdata += sizeof(uint16_t);
+
+ /* set the request header's param length */
+ cstate_len = copy_cstate(pdata, SDP_REQ_BUFFER_SIZE - t->reqsize, NULL);
+ reqhdr->plen = htons((t->reqsize + cstate_len) - sizeof(sdp_pdu_hdr_t));
+
+ if (sdp_send_req(session, t->reqbuf, t->reqsize + cstate_len) < 0) {
+ SDPERR("Error sendind data:%m");
+ t->err = errno;
+ goto end;
+ }
+
+ return 0;
+end:
+
+ free(t->reqbuf);
+ t->reqbuf = NULL;
+
+ return -1;
+}
+
+/*
+ * This function starts an asynchronous service attribute request.
+ * The incoming and outgoing data are stored in the transaction structure
+ * buffers. When there is incoming data the sdp_process function must be
+ * called to get the data and handle the continuation state.
+ *
+ * INPUT :
+ * sdp_session_t *session
+ * Current sdp session to be handled
+ *
+ * uint32_t handle
+ * The handle of the service for which the attribute(s) are
+ * requested
+ *
+ * sdp_attrreq_type_t reqtype
+ * Attribute identifiers are 16 bit unsigned integers specified
+ * in one of 2 ways described below :
+ * SDP_ATTR_REQ_INDIVIDUAL - 16bit individual identifiers
+ * They are the actual attribute identifiers in ascending order
+ *
+ * SDP_ATTR_REQ_RANGE - 32bit identifier range
+ * The high-order 16bits is the start of range
+ * the low-order 16bits are the end of range
+ * 0x0000 to 0xFFFF gets all attributes
+ *
+ * sdp_list_t *attrid_list
+ * Singly linked list containing attribute identifiers desired.
+ * Every element is either a uint16_t(attrSpec = SDP_ATTR_REQ_INDIVIDUAL)
+ * or a uint32_t(attrSpec=SDP_ATTR_REQ_RANGE)
+ *
+ * OUTPUT :
+ * int return value
+ * 0 - if the request has been sent properly
+ * -1 - On any failure and sets errno
+ */
+
+int sdp_service_attr_async(sdp_session_t *session, uint32_t handle, sdp_attrreq_type_t reqtype, const sdp_list_t *attrid_list)
+{
+ struct sdp_transaction *t;
+ sdp_pdu_hdr_t *reqhdr;
+ uint8_t *pdata;
+ int cstate_len, seqlen = 0;
+
+ if (!session || !session->priv)
+ return -1;
+
+ t = session->priv;
+
+ /* clean possible allocated buffer */
+ free(t->rsp_concat_buf.data);
+ memset(&t->rsp_concat_buf, 0, sizeof(sdp_buf_t));
+
+ if (!t->reqbuf) {
+ t->reqbuf = malloc(SDP_REQ_BUFFER_SIZE);
+ if (!t->reqbuf) {
+ t->err = ENOMEM;
+ goto end;
+ }
+ }
+ memset(t->reqbuf, 0, SDP_REQ_BUFFER_SIZE);
+
+ reqhdr = (sdp_pdu_hdr_t *) t->reqbuf;
+ reqhdr->tid = htons(sdp_gen_tid(session));
+ reqhdr->pdu_id = SDP_SVC_ATTR_REQ;
+
+ /* generate PDU */
+ pdata = t->reqbuf + sizeof(sdp_pdu_hdr_t);
+ t->reqsize = sizeof(sdp_pdu_hdr_t);
+
+ /* add the service record handle */
+ bt_put_be32(handle, pdata);
+ t->reqsize += sizeof(uint32_t);
+ pdata += sizeof(uint32_t);
+
+ /* specify the response limit */
+ bt_put_be16(65535, pdata);
+ t->reqsize += sizeof(uint16_t);
+ pdata += sizeof(uint16_t);
+
+ /* get attr seq PDU form */
+ seqlen = gen_attridseq_pdu(pdata, attrid_list,
+ reqtype == SDP_ATTR_REQ_INDIVIDUAL? SDP_UINT16 : SDP_UINT32);
+ if (seqlen == -1) {
+ t->err = EINVAL;
+ goto end;
+ }
+
+ /* now set the length and increment the pointer */
+ t->reqsize += seqlen;
+ pdata += seqlen;
+ SDPDBG("Attr list length : %d", seqlen);
+
+ /* set the request header's param length */
+ cstate_len = copy_cstate(pdata, SDP_REQ_BUFFER_SIZE - t->reqsize, NULL);
+ reqhdr->plen = htons((t->reqsize + cstate_len) - sizeof(sdp_pdu_hdr_t));
+
+ if (sdp_send_req(session, t->reqbuf, t->reqsize + cstate_len) < 0) {
+ SDPERR("Error sendind data:%m");
+ t->err = errno;
+ goto end;
+ }
+
+ return 0;
+end:
+
+ free(t->reqbuf);
+ t->reqbuf = NULL;
+
+ return -1;
+}
+
+/*
+ * This function starts an asynchronous service search attributes.
+ * It is a service search request combined with attribute request. The incoming
+ * and outgoing data are stored in the transaction structure buffers. When there
+ * is incoming data the sdp_process function must be called to get the data
+ * and handle the continuation state.
+ *
+ * INPUT:
+ * sdp_session_t *session
+ * Current sdp session to be handled
+ *
+ * sdp_list_t *search
+ * Singly linked list containing elements of the search
+ * pattern. Each entry in the list is a UUID(DataTypeSDP_UUID16)
+ * of the service to be searched
+ *
+ * AttributeSpecification attrSpec
+ * Attribute identifiers are 16 bit unsigned integers specified
+ * in one of 2 ways described below :
+ * SDP_ATTR_REQ_INDIVIDUAL - 16bit individual identifiers
+ * They are the actual attribute identifiers in ascending order
+ *
+ * SDP_ATTR_REQ_RANGE - 32bit identifier range
+ * The high-order 16bits is the start of range
+ * the low-order 16bits are the end of range
+ * 0x0000 to 0xFFFF gets all attributes
+ *
+ * sdp_list_t *attrid_list
+ * Singly linked list containing attribute identifiers desired.
+ * Every element is either a uint16_t(attrSpec = SDP_ATTR_REQ_INDIVIDUAL)
+ * or a uint32_t(attrSpec=SDP_ATTR_REQ_RANGE)
+ *
+
+ * RETURN:
+ * 0 - if the request has been sent properly
+ * -1 - On any failure
+ */
+int sdp_service_search_attr_async(sdp_session_t *session, const sdp_list_t *search, sdp_attrreq_type_t reqtype, const sdp_list_t *attrid_list)
+{
+ struct sdp_transaction *t;
+ sdp_pdu_hdr_t *reqhdr;
+ uint8_t *pdata;
+ int cstate_len, seqlen = 0;
+
+ if (!session || !session->priv)
+ return -1;
+
+ t = session->priv;
+
+ /* clean possible allocated buffer */
+ free(t->rsp_concat_buf.data);
+ memset(&t->rsp_concat_buf, 0, sizeof(sdp_buf_t));
+
+ if (!t->reqbuf) {
+ t->reqbuf = malloc(SDP_REQ_BUFFER_SIZE);
+ if (!t->reqbuf) {
+ t->err = ENOMEM;
+ goto end;
+ }
+ }
+ memset(t->reqbuf, 0, SDP_REQ_BUFFER_SIZE);
+
+ reqhdr = (sdp_pdu_hdr_t *) t->reqbuf;
+ reqhdr->tid = htons(sdp_gen_tid(session));
+ reqhdr->pdu_id = SDP_SVC_SEARCH_ATTR_REQ;
+
+ /* generate PDU */
+ pdata = t->reqbuf + sizeof(sdp_pdu_hdr_t);
+ t->reqsize = sizeof(sdp_pdu_hdr_t);
+
+ /* add service class IDs for search */
+ seqlen = gen_searchseq_pdu(pdata, search);
+
+ SDPDBG("Data seq added : %d", seqlen);
+
+ /* now set the length and increment the pointer */
+ t->reqsize += seqlen;
+ pdata += seqlen;
+
+ bt_put_be16(SDP_MAX_ATTR_LEN, pdata);
+ t->reqsize += sizeof(uint16_t);
+ pdata += sizeof(uint16_t);
+
+ SDPDBG("Max attr byte count : %d", SDP_MAX_ATTR_LEN);
+
+ /* get attr seq PDU form */
+ seqlen = gen_attridseq_pdu(pdata, attrid_list,
+ reqtype == SDP_ATTR_REQ_INDIVIDUAL ? SDP_UINT16 : SDP_UINT32);
+ if (seqlen == -1) {
+ t->err = EINVAL;
+ goto end;
+ }
+
+ pdata += seqlen;
+ SDPDBG("Attr list length : %d", seqlen);
+ t->reqsize += seqlen;
+
+ /* set the request header's param length */
+ cstate_len = copy_cstate(pdata, SDP_REQ_BUFFER_SIZE - t->reqsize, NULL);
+ reqhdr->plen = htons((t->reqsize + cstate_len) - sizeof(sdp_pdu_hdr_t));
+
+ if (sdp_send_req(session, t->reqbuf, t->reqsize + cstate_len) < 0) {
+ SDPERR("Error sendind data:%m");
+ t->err = errno;
+ goto end;
+ }
+
+ return 0;
+end:
+
+ free(t->reqbuf);
+ t->reqbuf = NULL;
+
+ return -1;
+}
+
+/*
+ * Function used to get the error reason after sdp_callback_t function has been called
+ * and the status is 0xffff or if sdp_service_{search, attr, search_attr}_async returns -1.
+ * It indicates that an error NOT related to SDP_ErrorResponse happened. Get errno directly
+ * is not safe because multiple transactions can be triggered.
+ * This function must be used with asynchronous sdp functions only.
+ *
+ * INPUT:
+ * sdp_session_t *session
+ * Current sdp session to be handled
+ * RETURN:
+ * 0 = No error in the current transaction
+ * -1 - if the session is invalid
+ * positive value - the errno value
+ *
+ */
+int sdp_get_error(sdp_session_t *session)
+{
+ struct sdp_transaction *t;
+
+ if (!session || !session->priv) {
+ SDPERR("Invalid session");
+ return -1;
+ }
+
+ t = session->priv;
+
+ return t->err;
+}
+
+/*
+ * Receive the incoming SDP PDU. This function must be called when there is data
+ * available to be read. On continuation state, the original request (with a new
+ * transaction ID) and the continuation state data will be appended in the initial PDU.
+ * If an error happens or the transaction finishes the callback function will be called.
+ *
+ * INPUT:
+ * sdp_session_t *session
+ * Current sdp session to be handled
+ * RETURN:
+ * 0 - if the transaction is on continuation state
+ * -1 - On any failure or the transaction finished
+ */
+int sdp_process(sdp_session_t *session)
+{
+ struct sdp_transaction *t;
+ sdp_pdu_hdr_t *reqhdr, *rsphdr;
+ sdp_cstate_t *pcstate;
+ uint8_t *pdata, *rspbuf, *targetPtr;
+ int rsp_count, err = -1;
+ size_t size = 0;
+ int n, plen;
+ uint16_t status = 0xffff;
+ uint8_t pdu_id = 0x00;
+
+ if (!session || !session->priv) {
+ SDPERR("Invalid session");
+ return -1;
+ }
+
+ rspbuf = malloc(SDP_RSP_BUFFER_SIZE);
+ if (!rspbuf) {
+ SDPERR("Response buffer alloc failure:%m (%d)", errno);
+ return -1;
+ }
+
+ memset(rspbuf, 0, SDP_RSP_BUFFER_SIZE);
+
+ t = session->priv;
+ reqhdr = (sdp_pdu_hdr_t *)t->reqbuf;
+ rsphdr = (sdp_pdu_hdr_t *)rspbuf;
+
+ pdata = rspbuf + sizeof(sdp_pdu_hdr_t);
+
+ n = sdp_read_rsp(session, rspbuf, SDP_RSP_BUFFER_SIZE);
+ if (n < 0) {
+ SDPERR("Read response:%m (%d)", errno);
+ t->err = errno;
+ goto end;
+ }
+
+ if (n == 0 || reqhdr->tid != rsphdr->tid ||
+ (n != (int) (ntohs(rsphdr->plen) + sizeof(sdp_pdu_hdr_t)))) {
+ t->err = EPROTO;
+ SDPERR("Protocol error.");
+ goto end;
+ }
+
+ pdu_id = rsphdr->pdu_id;
+ switch (rsphdr->pdu_id) {
+ uint8_t *ssr_pdata;
+ uint16_t tsrc, csrc;
+ case SDP_SVC_SEARCH_RSP:
+ /*
+ * TSRC: Total Service Record Count (2 bytes)
+ * CSRC: Current Service Record Count (2 bytes)
+ */
+ ssr_pdata = pdata;
+ tsrc = bt_get_be16(ssr_pdata);
+ ssr_pdata += sizeof(uint16_t);
+ csrc = bt_get_be16(ssr_pdata);
+
+ /* csrc should never be larger than tsrc */
+ if (csrc > tsrc) {
+ t->err = EPROTO;
+ SDPERR("Protocol error: wrong current service record count value.");
+ goto end;
+ }
+
+ SDPDBG("Total svc count: %d", tsrc);
+ SDPDBG("Current svc count: %d", csrc);
+
+ /* parameter length without continuation state */
+ plen = sizeof(tsrc) + sizeof(csrc) + csrc * 4;
+
+ if (t->rsp_concat_buf.data_size == 0) {
+ /* first fragment */
+ rsp_count = sizeof(tsrc) + sizeof(csrc) + csrc * 4;
+ } else if (t->rsp_concat_buf.data_size >= sizeof(uint16_t) * 2) {
+ /* point to the first csrc */
+ uint8_t *pcsrc = t->rsp_concat_buf.data + 2;
+ uint16_t tcsrc, tcsrc2;
+
+ /* FIXME: update the interface later. csrc doesn't need be passed to clients */
+
+ pdata += sizeof(uint16_t); /* point to csrc */
+
+ /* the first csrc contains the sum of partial csrc responses */
+ memcpy(&tcsrc, pcsrc, sizeof(tcsrc));
+ memcpy(&tcsrc2, pdata, sizeof(tcsrc2));
+ tcsrc += tcsrc2;
+ memcpy(pcsrc, &tcsrc, sizeof(tcsrc));
+
+ pdata += sizeof(uint16_t); /* point to the first handle */
+ rsp_count = csrc * 4;
+ } else {
+ t->err = EPROTO;
+ SDPERR("Protocol error: invalid PDU size");
+ status = SDP_INVALID_PDU_SIZE;
+ goto end;
+ }
+ status = 0x0000;
+ break;
+ case SDP_SVC_ATTR_RSP:
+ case SDP_SVC_SEARCH_ATTR_RSP:
+ rsp_count = bt_get_be16(pdata);
+ SDPDBG("Attrlist byte count : %d", rsp_count);
+
+ /* Valid range for rsp_count is 0x0002-0xFFFF */
+ if (t->rsp_concat_buf.data_size == 0 && rsp_count < 0x0002) {
+ t->err = EPROTO;
+ SDPERR("Protocol error: invalid AttrList size");
+ status = SDP_INVALID_PDU_SIZE;
+ goto end;
+ }
+
+ /*
+ * Number of bytes in the AttributeLists parameter(without
+ * continuation state) + AttributeListsByteCount field size.
+ */
+ plen = sizeof(uint16_t) + rsp_count;
+
+ pdata += sizeof(uint16_t); /* points to attribute list */
+ status = 0x0000;
+ break;
+ case SDP_ERROR_RSP:
+ status = bt_get_be16(pdata);
+ size = ntohs(rsphdr->plen);
+
+ goto end;
+ default:
+ t->err = EPROTO;
+ SDPERR("Illegal PDU ID: 0x%x", rsphdr->pdu_id);
+ goto end;
+ }
+
+ /* Out of bound check before using rsp_count as offset for
+ * continuation state, which has at least a one byte size
+ * field.
+ */
+ if ((n - (int) sizeof(sdp_pdu_hdr_t)) < plen + 1) {
+ t->err = EPROTO;
+ SDPERR("Protocol error: invalid PDU size");
+ status = SDP_INVALID_PDU_SIZE;
+ goto end;
+ }
+
+ pcstate = (sdp_cstate_t *) (pdata + rsp_count);
+
+ SDPDBG("Cstate length : %d", pcstate->length);
+
+ /*
+ * Check out of bound. Continuation state must have at least
+ * 1 byte: ZERO to indicate that it is not a partial response.
+ */
+ if ((n - (int) sizeof(sdp_pdu_hdr_t)) != (plen + pcstate->length + 1)) {
+ t->err = EPROTO;
+ SDPERR("Protocol error: wrong PDU size.");
+ status = 0xffff;
+ goto end;
+ }
+
+ /*
+ * This is a split response, need to concatenate intermediate
+ * responses and the last one which will have cstate length == 0
+ */
+ t->rsp_concat_buf.data = realloc(t->rsp_concat_buf.data, t->rsp_concat_buf.data_size + rsp_count);
+ targetPtr = t->rsp_concat_buf.data + t->rsp_concat_buf.data_size;
+ t->rsp_concat_buf.buf_size = t->rsp_concat_buf.data_size + rsp_count;
+ memcpy(targetPtr, pdata, rsp_count);
+ t->rsp_concat_buf.data_size += rsp_count;
+
+ if (pcstate->length > 0) {
+ int reqsize, cstate_len;
+
+ reqhdr->tid = htons(sdp_gen_tid(session));
+
+ /* add continuation state */
+ cstate_len = copy_cstate(t->reqbuf + t->reqsize,
+ SDP_REQ_BUFFER_SIZE - t->reqsize, pcstate);
+
+ reqsize = t->reqsize + cstate_len;
+
+ /* set the request header's param length */
+ reqhdr->plen = htons(reqsize - sizeof(sdp_pdu_hdr_t));
+
+ if (sdp_send_req(session, t->reqbuf, reqsize) < 0) {
+ SDPERR("Error sendind data:%m(%d)", errno);
+ status = 0xffff;
+ t->err = errno;
+ goto end;
+ }
+ err = 0;
+ }
+
+end:
+ if (err) {
+ if (t->rsp_concat_buf.data_size != 0) {
+ pdata = t->rsp_concat_buf.data;
+ size = t->rsp_concat_buf.data_size;
+ }
+ if (t->cb)
+ t->cb(pdu_id, status, pdata, size, t->udata);
+ }
+
+ free(rspbuf);
+
+ return err;
+}
+
+/*
+ * This is a service search request combined with the service
+ * attribute request. First a service class match is done and
+ * for matching service, requested attributes are extracted
+ *
+ * INPUT :
+ *
+ * sdp_list_t *search
+ * Singly linked list containing elements of the search
+ * pattern. Each entry in the list is a UUID(DataTypeSDP_UUID16)
+ * of the service to be searched
+ *
+ * AttributeSpecification attrSpec
+ * Attribute identifiers are 16 bit unsigned integers specified
+ * in one of 2 ways described below :
+ * SDP_ATTR_REQ_INDIVIDUAL - 16bit individual identifiers
+ * They are the actual attribute identifiers in ascending order
+ *
+ * SDP_ATTR_REQ_RANGE - 32bit identifier range
+ * The high-order 16bits is the start of range
+ * the low-order 16bits are the end of range
+ * 0x0000 to 0xFFFF gets all attributes
+ *
+ * sdp_list_t *attrids
+ * Singly linked list containing attribute identifiers desired.
+ * Every element is either a uint16_t(attrSpec = SDP_ATTR_REQ_INDIVIDUAL)
+ * or a uint32_t(attrSpec=SDP_ATTR_REQ_RANGE)
+ *
+ * OUTPUT :
+ * int return value
+ * 0:
+ * The request completed successfully. This does not
+ * mean the requested services were found
+ * -1:
+ * On any error and sets errno
+ *
+ * sdp_list_t **rsp
+ * This variable is set on a successful return to point to
+ * service(s) found. Each element of this list is of type
+ * sdp_record_t* (of the services which matched the search list)
+ */
+int sdp_service_search_attr_req(sdp_session_t *session, const sdp_list_t *search, sdp_attrreq_type_t reqtype, const sdp_list_t *attrids, sdp_list_t **rsp)
+{
+ int status = 0;
+ uint32_t reqsize = 0, _reqsize;
+ uint32_t rspsize = 0;
+ int seqlen = 0, attr_list_len = 0;
+ int rsp_count = 0, cstate_len = 0;
+ unsigned int pdata_len;
+ uint8_t *pdata, *_pdata;
+ uint8_t *reqbuf, *rspbuf;
+ sdp_pdu_hdr_t *reqhdr, *rsphdr;
+ uint8_t dataType;
+ sdp_list_t *rec_list = NULL;
+ sdp_buf_t rsp_concat_buf;
+ sdp_cstate_t *cstate = NULL;
+
+ if (reqtype != SDP_ATTR_REQ_INDIVIDUAL && reqtype != SDP_ATTR_REQ_RANGE) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ memset(&rsp_concat_buf, 0, sizeof(sdp_buf_t));
+
+ reqbuf = malloc(SDP_REQ_BUFFER_SIZE);
+ rspbuf = malloc(SDP_RSP_BUFFER_SIZE);
+ if (!reqbuf || !rspbuf) {
+ errno = ENOMEM;
+ status = -1;
+ goto end;
+ }
+
+ reqhdr = (sdp_pdu_hdr_t *) reqbuf;
+ reqhdr->pdu_id = SDP_SVC_SEARCH_ATTR_REQ;
+
+ /* generate PDU */
+ pdata = reqbuf + sizeof(sdp_pdu_hdr_t);
+ reqsize = sizeof(sdp_pdu_hdr_t);
+
+ /* add service class IDs for search */
+ seqlen = gen_searchseq_pdu(pdata, search);
+ if (seqlen < 0) {
+ errno = EINVAL;
+ status = -1;
+ goto end;
+ }
+
+ SDPDBG("Data seq added : %d", seqlen);
+
+ /* now set the length and increment the pointer */
+ reqsize += seqlen;
+ pdata += seqlen;
+
+ bt_put_be16(SDP_MAX_ATTR_LEN, pdata);
+ reqsize += sizeof(uint16_t);
+ pdata += sizeof(uint16_t);
+
+ SDPDBG("Max attr byte count : %d", SDP_MAX_ATTR_LEN);
+
+ /* get attr seq PDU form */
+ seqlen = gen_attridseq_pdu(pdata, attrids,
+ reqtype == SDP_ATTR_REQ_INDIVIDUAL ? SDP_UINT16 : SDP_UINT32);
+ if (seqlen == -1) {
+ errno = EINVAL;
+ status = -1;
+ goto end;
+ }
+ pdata += seqlen;
+ SDPDBG("Attr list length : %d", seqlen);
+ reqsize += seqlen;
+ *rsp = 0;
+
+ /* save before Continuation State */
+ _pdata = pdata;
+ _reqsize = reqsize;
+
+ do {
+ reqhdr->tid = htons(sdp_gen_tid(session));
+
+ /* add continuation state (can be null) */
+ reqsize = _reqsize + copy_cstate(_pdata,
+ SDP_REQ_BUFFER_SIZE - _reqsize, cstate);
+
+ /* set the request header's param length */
+ reqhdr->plen = htons(reqsize - sizeof(sdp_pdu_hdr_t));
+ rsphdr = (sdp_pdu_hdr_t *) rspbuf;
+ status = sdp_send_req_w4_rsp(session, reqbuf, rspbuf, reqsize, &rspsize);
+ if (rspsize < sizeof(sdp_pdu_hdr_t)) {
+ SDPERR("Unexpected end of packet");
+ status = -1;
+ goto end;
+ }
+
+ if (status < 0) {
+ SDPDBG("Status : 0x%x", rsphdr->pdu_id);
+ goto end;
+ }
+
+ if (rsphdr->pdu_id == SDP_ERROR_RSP) {
+ status = -1;
+ goto end;
+ }
+
+ pdata = rspbuf + sizeof(sdp_pdu_hdr_t);
+ pdata_len = rspsize - sizeof(sdp_pdu_hdr_t);
+
+ if (pdata_len < sizeof(uint16_t)) {
+ SDPERR("Unexpected end of packet");
+ status = -1;
+ goto end;
+ }
+
+ rsp_count = bt_get_be16(pdata);
+ attr_list_len += rsp_count;
+ pdata += sizeof(uint16_t); /* pdata points to attribute list */
+ pdata_len -= sizeof(uint16_t);
+
+ if (pdata_len < rsp_count + sizeof(uint8_t)) {
+ SDPERR("Unexpected end of packet: continuation state data missing");
+ status = -1;
+ goto end;
+ }
+
+ cstate_len = *(uint8_t *) (pdata + rsp_count);
+
+ SDPDBG("Attrlist byte count : %d", attr_list_len);
+ SDPDBG("Response byte count : %d", rsp_count);
+ SDPDBG("Cstate length : %d", cstate_len);
+ /*
+ * This is a split response, need to concatenate intermediate
+ * responses and the last one which will have cstate_len == 0
+ */
+ if (cstate_len > 0 || rsp_concat_buf.data_size != 0) {
+ uint8_t *targetPtr = NULL;
+
+ cstate = cstate_len > 0 ? (sdp_cstate_t *) (pdata + rsp_count) : 0;
+
+ /* build concatenated response buffer */
+ rsp_concat_buf.data = realloc(rsp_concat_buf.data, rsp_concat_buf.data_size + rsp_count);
+ targetPtr = rsp_concat_buf.data + rsp_concat_buf.data_size;
+ rsp_concat_buf.buf_size = rsp_concat_buf.data_size + rsp_count;
+ memcpy(targetPtr, pdata, rsp_count);
+ rsp_concat_buf.data_size += rsp_count;
+ }
+ } while (cstate);
+
+ if (attr_list_len > 0) {
+ int scanned = 0;
+
+ if (rsp_concat_buf.data_size != 0) {
+ pdata = rsp_concat_buf.data;
+ pdata_len = rsp_concat_buf.data_size;
+ }
+
+ /*
+ * Response is a sequence of sequence(s) for one or
+ * more data element sequence(s) representing services
+ * for which attributes are returned
+ */
+ scanned = sdp_extract_seqtype(pdata, pdata_len, &dataType, &seqlen);
+
+ SDPDBG("Bytes scanned : %d", scanned);
+ SDPDBG("Seq length : %d", seqlen);
+
+ if (scanned && seqlen) {
+ pdata += scanned;
+ pdata_len -= scanned;
+ do {
+ int recsize = 0;
+ sdp_record_t *rec = sdp_extract_pdu(pdata, pdata_len, &recsize);
+ if (rec == NULL) {
+ SDPERR("SVC REC is null");
+ status = -1;
+ goto end;
+ }
+ if (!recsize) {
+ sdp_record_free(rec);
+ break;
+ }
+ scanned += recsize;
+ pdata += recsize;
+ pdata_len -= recsize;
+
+ SDPDBG("Loc seq length : %d", recsize);
+ SDPDBG("Svc Rec Handle : 0x%x", rec->handle);
+ SDPDBG("Bytes scanned : %d", scanned);
+ SDPDBG("Attrlist byte count : %d", attr_list_len);
+ rec_list = sdp_list_append(rec_list, rec);
+ } while (scanned < attr_list_len && pdata_len > 0);
+
+ SDPDBG("Successful scan of service attr lists");
+ *rsp = rec_list;
+ }
+ }
+end:
+ free(rsp_concat_buf.data);
+ free(reqbuf);
+ free(rspbuf);
+ return status;
+}
+
+/*
+ * Find devices in the piconet.
+ */
+int sdp_general_inquiry(inquiry_info *ii, int num_dev, int duration, uint8_t *found)
+{
+ int n = hci_inquiry(-1, 10, num_dev, NULL, &ii, 0);
+ if (n < 0) {
+ SDPERR("Inquiry failed:%m");
+ return -1;
+ }
+ *found = n;
+ return 0;
+}
+
+int sdp_close(sdp_session_t *session)
+{
+ struct sdp_transaction *t;
+ int ret;
+
+ if (!session)
+ return -1;
+
+ ret = close(session->sock);
+
+ t = session->priv;
+
+ if (t) {
+ free(t->reqbuf);
+
+ free(t->rsp_concat_buf.data);
+
+ free(t);
+ }
+ free(session);
+ return ret;
+}
+
+static inline int sdp_is_local(const bdaddr_t *device)
+{
+ return memcmp(device, BDADDR_LOCAL, sizeof(bdaddr_t)) == 0;
+}
+
+static int sdp_connect_local(sdp_session_t *session)
+{
+ struct sockaddr_un sa;
+
+ session->sock = socket(PF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0);
+ if (session->sock < 0)
+ return -1;
+ session->local = 1;
+
+ sa.sun_family = AF_UNIX;
+ strcpy(sa.sun_path, SDP_UNIX_PATH);
+
+ return connect(session->sock, (struct sockaddr *) &sa, sizeof(sa));
+}
+
+static int set_l2cap_mtu(int sk, uint16_t mtu)
+{
+ struct l2cap_options l2o;
+ socklen_t len;
+
+ memset(&l2o, 0, sizeof(l2o));
+ len = sizeof(l2o);
+
+ if (getsockopt(sk, SOL_L2CAP, L2CAP_OPTIONS, &l2o, &len) < 0)
+ return -1;
+
+ l2o.imtu = mtu;
+ l2o.omtu = mtu;
+
+ if (setsockopt(sk, SOL_L2CAP, L2CAP_OPTIONS, &l2o, sizeof(l2o)) < 0)
+ return -1;
+
+ return 0;
+}
+
+static int sdp_connect_l2cap(const bdaddr_t *src,
+ const bdaddr_t *dst, sdp_session_t *session)
+{
+ uint32_t flags = session->flags;
+ struct sockaddr_l2 sa;
+ int sk;
+ int sockflags = SOCK_SEQPACKET | SOCK_CLOEXEC;
+
+ if (flags & SDP_NON_BLOCKING)
+ sockflags |= SOCK_NONBLOCK;
+
+ session->sock = socket(PF_BLUETOOTH, sockflags, BTPROTO_L2CAP);
+ if (session->sock < 0)
+ return -1;
+ session->local = 0;
+
+ sk = session->sock;
+
+ memset(&sa, 0, sizeof(sa));
+
+ sa.l2_family = AF_BLUETOOTH;
+ sa.l2_psm = 0;
+
+ if (bacmp(src, BDADDR_ANY)) {
+ sa.l2_bdaddr = *src;
+ if (bind(sk, (struct sockaddr *) &sa, sizeof(sa)) < 0)
+ return -1;
+ }
+
+ if (flags & SDP_WAIT_ON_CLOSE) {
+ struct linger l = { .l_onoff = 1, .l_linger = 1 };
+ setsockopt(sk, SOL_SOCKET, SO_LINGER, &l, sizeof(l));
+ }
+
+ if ((flags & SDP_LARGE_MTU) &&
+ set_l2cap_mtu(sk, SDP_LARGE_L2CAP_MTU) < 0)
+ return -1;
+
+ sa.l2_psm = htobs(SDP_PSM);
+ sa.l2_bdaddr = *dst;
+
+ do {
+ int ret = connect(sk, (struct sockaddr *) &sa, sizeof(sa));
+ if (!ret)
+ return 0;
+ if (ret < 0 && (flags & SDP_NON_BLOCKING) &&
+ (errno == EAGAIN || errno == EINPROGRESS))
+ return 0;
+ } while (errno == EBUSY && (flags & SDP_RETRY_IF_BUSY));
+
+ return -1;
+}
+
+sdp_session_t *sdp_connect(const bdaddr_t *src,
+ const bdaddr_t *dst, uint32_t flags)
+{
+ sdp_session_t *session;
+ int err;
+
+ if ((flags & SDP_RETRY_IF_BUSY) && (flags & SDP_NON_BLOCKING)) {
+ errno = EINVAL;
+ return NULL;
+ }
+
+ session = sdp_create(-1, flags);
+ if (!session)
+ return NULL;
+
+ if (sdp_is_local(dst)) {
+ if (sdp_connect_local(session) < 0)
+ goto fail;
+ } else {
+ if (sdp_connect_l2cap(src, dst, session) < 0)
+ goto fail;
+ }
+
+ return session;
+
+fail:
+ err = errno;
+ if (session->sock >= 0)
+ close(session->sock);
+ free(session->priv);
+ free(session);
+ errno = err;
+
+ return NULL;
+}
+
+int sdp_get_socket(const sdp_session_t *session)
+{
+ return session->sock;
+}
+
+uint16_t sdp_gen_tid(sdp_session_t *session)
+{
+ return session->tid++;
+}
+
+/*
+ * Set the supported features
+ */
+int sdp_set_supp_feat(sdp_record_t *rec, const sdp_list_t *sf)
+{
+ const sdp_list_t *p, *r;
+ sdp_data_t *feat, *seq_feat;
+ int seqlen, i;
+ void **seqDTDs, **seqVals;
+
+ seqlen = sdp_list_len(sf);
+ seqDTDs = malloc(seqlen * sizeof(void *));
+ if (!seqDTDs)
+ return -1;
+ seqVals = malloc(seqlen * sizeof(void *));
+ if (!seqVals) {
+ free(seqDTDs);
+ return -1;
+ }
+
+ for (p = sf, i = 0; p; p = p->next, i++) {
+ int plen, j;
+ void **dtds, **vals;
+ int *lengths;
+
+ plen = sdp_list_len(p->data);
+ dtds = malloc(plen * sizeof(void *));
+ if (!dtds)
+ goto fail;
+ vals = malloc(plen * sizeof(void *));
+ if (!vals) {
+ free(dtds);
+ goto fail;
+ }
+ lengths = malloc(plen * sizeof(int));
+ if (!lengths) {
+ free(dtds);
+ free(vals);
+ goto fail;
+ }
+ for (r = p->data, j = 0; r; r = r->next, j++) {
+ sdp_data_t *data = (sdp_data_t *) r->data;
+ dtds[j] = &data->dtd;
+ switch (data->dtd) {
+ case SDP_URL_STR8:
+ case SDP_URL_STR16:
+ case SDP_TEXT_STR8:
+ case SDP_TEXT_STR16:
+ vals[j] = data->val.str;
+ lengths[j] = data->unitSize - sizeof(uint8_t);
+ break;
+ case SDP_ALT8:
+ case SDP_ALT16:
+ case SDP_ALT32:
+ case SDP_SEQ8:
+ case SDP_SEQ16:
+ case SDP_SEQ32:
+ vals[j] = data->val.dataseq;
+ lengths[j] = 0;
+ break;
+ default:
+ vals[j] = &data->val;
+ lengths[j] = 0;
+ break;
+ }
+ }
+ feat = sdp_seq_alloc_with_length(dtds, vals, lengths, plen);
+ free(dtds);
+ free(vals);
+ free(lengths);
+ if (!feat)
+ goto fail;
+ seqDTDs[i] = &feat->dtd;
+ seqVals[i] = feat;
+ }
+ seq_feat = sdp_seq_alloc(seqDTDs, seqVals, seqlen);
+ if (!seq_feat)
+ goto fail;
+ sdp_attr_replace(rec, SDP_ATTR_SUPPORTED_FEATURES_LIST, seq_feat);
+
+ free(seqVals);
+ free(seqDTDs);
+ return 0;
+
+fail:
+ free(seqVals);
+ free(seqDTDs);
+ return -1;
+}
+
+/*
+ * Get the supported features
+ * If an error occurred -1 is returned and errno is set
+ */
+int sdp_get_supp_feat(const sdp_record_t *rec, sdp_list_t **seqp)
+{
+ sdp_data_t *sdpdata, *d;
+ sdp_list_t *tseq;
+ tseq = NULL;
+
+ sdpdata = sdp_data_get(rec, SDP_ATTR_SUPPORTED_FEATURES_LIST);
+
+ if (!sdpdata || !SDP_IS_SEQ(sdpdata->dtd))
+ return sdp_get_uuidseq_attr(rec,
+ SDP_ATTR_SUPPORTED_FEATURES_LIST, seqp);
+
+ for (d = sdpdata->val.dataseq; d; d = d->next) {
+ sdp_data_t *dd;
+ sdp_list_t *subseq;
+
+ if (!SDP_IS_SEQ(d->dtd))
+ goto fail;
+
+ subseq = NULL;
+
+ for (dd = d->val.dataseq; dd; dd = dd->next) {
+ sdp_data_t *data;
+ void *val;
+ int length;
+
+ switch (dd->dtd) {
+ case SDP_URL_STR8:
+ case SDP_URL_STR16:
+ case SDP_TEXT_STR8:
+ case SDP_TEXT_STR16:
+ val = dd->val.str;
+ length = dd->unitSize - sizeof(uint8_t);
+ break;
+ case SDP_UINT8:
+ case SDP_UINT16:
+ val = &dd->val;
+ length = 0;
+ break;
+ default:
+ goto fail;
+ }
+
+ data = sdp_data_alloc_with_length(dd->dtd, val, length);
+ if (data)
+ subseq = sdp_list_append(subseq, data);
+ }
+ tseq = sdp_list_append(tseq, subseq);
+ }
+ *seqp = tseq;
+ return 0;
+
+fail:
+ while (tseq) {
+ sdp_list_t * next;
+
+ next = tseq->next;
+ sdp_list_free(tseq, free);
+ tseq = next;
+ }
+ errno = EINVAL;
+ return -1;
+}
+
+void sdp_add_lang_attr(sdp_record_t *rec)
+{
+ sdp_lang_attr_t base_lang;
+ sdp_list_t *langs;
+
+ base_lang.code_ISO639 = (0x65 << 8) | 0x6e;
+ base_lang.encoding = 106;
+ base_lang.base_offset = SDP_PRIMARY_LANG_BASE;
+
+ langs = sdp_list_append(0, &base_lang);
+ sdp_set_lang_attr(rec, langs);
+ sdp_list_free(langs, NULL);
+}