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authorMarcel Holtmann <marcel@holtmann.org>2008-08-04 20:58:34 +0200
committerMarcel Holtmann <marcel@holtmann.org>2008-08-04 20:58:34 +0200
commit40372f9dc3ab115870a10343124216a041e55d17 (patch)
treeef5bfa80e3f560cf6856fd7a0d5c27c75c2cefe0 /compat/sdp.c
parent295eb0c879802eacff46cf3c962646363d81f6d3 (diff)
Move hidd pand and dund into compat directory
Diffstat (limited to 'compat/sdp.c')
-rw-r--r--compat/sdp.c718
1 files changed, 718 insertions, 0 deletions
diff --git a/compat/sdp.c b/compat/sdp.c
new file mode 100644
index 00000000..a08ace90
--- /dev/null
+++ b/compat/sdp.c
@@ -0,0 +1,718 @@
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2003-2008 Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <syslog.h>
+#include <sys/stat.h>
+#include <sys/socket.h>
+
+#include <bluetooth/bluetooth.h>
+#include <bluetooth/l2cap.h>
+#include <bluetooth/sdp.h>
+#include <bluetooth/sdp_lib.h>
+#include <bluetooth/hidp.h>
+#include <bluetooth/bnep.h>
+
+#include "textfile.h"
+#include "sdp.h"
+
+static sdp_record_t *record = NULL;
+static sdp_session_t *session = NULL;
+
+static void add_lang_attr(sdp_record_t *r)
+{
+ sdp_lang_attr_t base_lang;
+ sdp_list_t *langs = 0;
+
+ /* UTF-8 MIBenum (http://www.iana.org/assignments/character-sets) */
+ 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(r, langs);
+ sdp_list_free(langs, 0);
+}
+
+static void epox_endian_quirk(unsigned char *data, int size)
+{
+ /* USAGE_PAGE (Keyboard) 05 07
+ * USAGE_MINIMUM (0) 19 00
+ * USAGE_MAXIMUM (65280) 2A 00 FF <= must be FF 00
+ * LOGICAL_MINIMUM (0) 15 00
+ * LOGICAL_MAXIMUM (65280) 26 00 FF <= must be FF 00
+ */
+ unsigned char pattern[] = { 0x05, 0x07, 0x19, 0x00, 0x2a, 0x00, 0xff,
+ 0x15, 0x00, 0x26, 0x00, 0xff };
+ int i;
+
+ if (!data)
+ return;
+
+ for (i = 0; i < size - sizeof(pattern); i++) {
+ if (!memcmp(data + i, pattern, sizeof(pattern))) {
+ data[i + 5] = 0xff;
+ data[i + 6] = 0x00;
+ data[i + 10] = 0xff;
+ data[i + 11] = 0x00;
+ }
+ }
+}
+
+static int store_device_info(const bdaddr_t *src, const bdaddr_t *dst, struct hidp_connadd_req *req)
+{
+ char filename[PATH_MAX + 1], addr[18], *str, *desc;
+ int i, err, size;
+
+ ba2str(src, addr);
+ create_name(filename, PATH_MAX, STORAGEDIR, addr, "hidd");
+
+ size = 15 + 3 + 3 + 5 + (req->rd_size * 2) + 1 + 9 + strlen(req->name) + 2;
+ str = malloc(size);
+ if (!str)
+ return -ENOMEM;
+
+ desc = malloc((req->rd_size * 2) + 1);
+ if (!desc) {
+ free(str);
+ return -ENOMEM;
+ }
+
+ memset(desc, 0, (req->rd_size * 2) + 1);
+ for (i = 0; i < req->rd_size; i++)
+ sprintf(desc + (i * 2), "%2.2X", req->rd_data[i]);
+
+ snprintf(str, size - 1, "%04X:%04X:%04X %02X %02X %04X %s %08X %s",
+ req->vendor, req->product, req->version,
+ req->subclass, req->country, req->parser, desc,
+ req->flags, req->name);
+
+ free(desc);
+
+ create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+
+ ba2str(dst, addr);
+ err = textfile_put(filename, addr, str);
+
+ free(str);
+
+ return err;
+}
+
+int get_stored_device_info(const bdaddr_t *src, const bdaddr_t *dst, struct hidp_connadd_req *req)
+{
+ char filename[PATH_MAX + 1], addr[18], tmp[3], *str, *desc;
+ unsigned int vendor, product, version, subclass, country, parser, pos;
+ int i;
+
+ desc = malloc(4096);
+ if (!desc)
+ return -ENOMEM;
+
+ memset(desc, 0, 4096);
+
+ ba2str(src, addr);
+ create_name(filename, PATH_MAX, STORAGEDIR, addr, "hidd");
+
+ ba2str(dst, addr);
+ str = textfile_get(filename, addr);
+ if (!str) {
+ free(desc);
+ return -EIO;
+ }
+
+ sscanf(str, "%04X:%04X:%04X %02X %02X %04X %4095s %08X %n",
+ &vendor, &product, &version, &subclass, &country,
+ &parser, desc, &req->flags, &pos);
+
+ free(str);
+
+ req->vendor = vendor;
+ req->product = product;
+ req->version = version;
+ req->subclass = subclass;
+ req->country = country;
+ req->parser = parser;
+
+ snprintf(req->name, 128, str + pos);
+
+ req->rd_size = strlen(desc) / 2;
+ req->rd_data = malloc(req->rd_size);
+ if (!req->rd_data) {
+ free(desc);
+ return -ENOMEM;
+ }
+
+ memset(tmp, 0, sizeof(tmp));
+ for (i = 0; i < req->rd_size; i++) {
+ memcpy(tmp, desc + (i * 2), 2);
+ req->rd_data[i] = (uint8_t) strtol(tmp, NULL, 16);
+ }
+
+ free(desc);
+
+ return 0;
+}
+
+int get_sdp_device_info(const bdaddr_t *src, const bdaddr_t *dst, struct hidp_connadd_req *req)
+{
+ struct sockaddr_l2 addr;
+ socklen_t addrlen;
+ bdaddr_t bdaddr;
+ uint32_t range = 0x0000ffff;
+ sdp_session_t *s;
+ sdp_list_t *search, *attrid, *pnp_rsp, *hid_rsp;
+ sdp_record_t *rec;
+ sdp_data_t *pdlist, *pdlist2;
+ uuid_t svclass;
+ int err;
+
+ s = sdp_connect(src, dst, SDP_RETRY_IF_BUSY | SDP_WAIT_ON_CLOSE);
+ if (!s)
+ return -1;
+
+ sdp_uuid16_create(&svclass, PNP_INFO_SVCLASS_ID);
+ search = sdp_list_append(NULL, &svclass);
+ attrid = sdp_list_append(NULL, &range);
+
+ err = sdp_service_search_attr_req(s, search,
+ SDP_ATTR_REQ_RANGE, attrid, &pnp_rsp);
+
+ sdp_list_free(search, NULL);
+ sdp_list_free(attrid, NULL);
+
+ sdp_uuid16_create(&svclass, HID_SVCLASS_ID);
+ search = sdp_list_append(NULL, &svclass);
+ attrid = sdp_list_append(NULL, &range);
+
+ err = sdp_service_search_attr_req(s, search,
+ SDP_ATTR_REQ_RANGE, attrid, &hid_rsp);
+
+ sdp_list_free(search, NULL);
+ sdp_list_free(attrid, NULL);
+
+ memset(&addr, 0, sizeof(addr));
+ addrlen = sizeof(addr);
+
+ if (getsockname(s->sock, (struct sockaddr *) &addr, &addrlen) < 0)
+ bacpy(&bdaddr, src);
+ else
+ bacpy(&bdaddr, &addr.l2_bdaddr);
+
+ sdp_close(s);
+
+ if (err || !hid_rsp)
+ return -1;
+
+ if (pnp_rsp) {
+ rec = (sdp_record_t *) pnp_rsp->data;
+
+ pdlist = sdp_data_get(rec, 0x0201);
+ req->vendor = pdlist ? pdlist->val.uint16 : 0x0000;
+
+ pdlist = sdp_data_get(rec, 0x0202);
+ req->product = pdlist ? pdlist->val.uint16 : 0x0000;
+
+ pdlist = sdp_data_get(rec, 0x0203);
+ req->version = pdlist ? pdlist->val.uint16 : 0x0000;
+
+ sdp_record_free(rec);
+ }
+
+ rec = (sdp_record_t *) hid_rsp->data;
+
+ pdlist = sdp_data_get(rec, 0x0101);
+ pdlist2 = sdp_data_get(rec, 0x0102);
+ if (pdlist) {
+ if (pdlist2) {
+ if (strncmp(pdlist->val.str, pdlist2->val.str, 5)) {
+ strncpy(req->name, pdlist2->val.str, sizeof(req->name) - 1);
+ strcat(req->name, " ");
+ }
+ strncat(req->name, pdlist->val.str,
+ sizeof(req->name) - strlen(req->name));
+ } else
+ strncpy(req->name, pdlist->val.str, sizeof(req->name));
+ } else {
+ pdlist2 = sdp_data_get(rec, 0x0100);
+ if (pdlist2)
+ strncpy(req->name, pdlist2->val.str, sizeof(req->name));
+ }
+
+ pdlist = sdp_data_get(rec, 0x0201);
+ req->parser = pdlist ? pdlist->val.uint16 : 0x0100;
+
+ pdlist = sdp_data_get(rec, 0x0202);
+ req->subclass = pdlist ? pdlist->val.uint8 : 0;
+
+ pdlist = sdp_data_get(rec, 0x0203);
+ req->country = pdlist ? pdlist->val.uint8 : 0;
+
+ pdlist = sdp_data_get(rec, 0x0206);
+ if (pdlist) {
+ pdlist = pdlist->val.dataseq;
+ pdlist = pdlist->val.dataseq;
+ pdlist = pdlist->next;
+
+ req->rd_data = malloc(pdlist->unitSize);
+ if (req->rd_data) {
+ memcpy(req->rd_data, (unsigned char *) pdlist->val.str, pdlist->unitSize);
+ req->rd_size = pdlist->unitSize;
+ epox_endian_quirk(req->rd_data, req->rd_size);
+ }
+ }
+
+ sdp_record_free(rec);
+
+ if (bacmp(&bdaddr, BDADDR_ANY))
+ store_device_info(&bdaddr, dst, req);
+
+ return 0;
+}
+
+int get_alternate_device_info(const bdaddr_t *src, const bdaddr_t *dst, uint16_t *uuid, uint8_t *channel, char *name, size_t len)
+{
+ uint16_t attr1 = SDP_ATTR_PROTO_DESC_LIST;
+ uint16_t attr2 = SDP_ATTR_SVCNAME_PRIMARY;
+ sdp_session_t *s;
+ sdp_list_t *search, *attrid, *rsp;
+ uuid_t svclass;
+ int err;
+
+ s = sdp_connect(src, dst, SDP_RETRY_IF_BUSY | SDP_WAIT_ON_CLOSE);
+ if (!s)
+ return -1;
+
+ sdp_uuid16_create(&svclass, HEADSET_SVCLASS_ID);
+ search = sdp_list_append(NULL, &svclass);
+ attrid = sdp_list_append(NULL, &attr1);
+ attrid = sdp_list_append(attrid, &attr2);
+
+ err = sdp_service_search_attr_req(s, search,
+ SDP_ATTR_REQ_INDIVIDUAL, attrid, &rsp);
+
+ sdp_list_free(search, NULL);
+ sdp_list_free(attrid, NULL);
+
+ if (err <= 0) {
+ sdp_uuid16_create(&svclass, SERIAL_PORT_SVCLASS_ID);
+ search = sdp_list_append(NULL, &svclass);
+ attrid = sdp_list_append(NULL, &attr1);
+ attrid = sdp_list_append(attrid, &attr2);
+
+ err = sdp_service_search_attr_req(s, search,
+ SDP_ATTR_REQ_INDIVIDUAL, attrid, &rsp);
+
+ sdp_list_free(search, NULL);
+ sdp_list_free(attrid, NULL);
+
+ if (err < 0) {
+ sdp_close(s);
+ return err;
+ }
+
+ if (uuid)
+ *uuid = SERIAL_PORT_SVCLASS_ID;
+ } else {
+ if (uuid)
+ *uuid = HEADSET_SVCLASS_ID;
+ }
+
+ sdp_close(s);
+
+ for (; rsp; rsp = rsp->next) {
+ sdp_record_t *rec = (sdp_record_t *) rsp->data;
+ sdp_list_t *protos;
+
+ sdp_get_service_name(rec, name, len);
+
+ if (!sdp_get_access_protos(rec, &protos)) {
+ uint8_t ch = sdp_get_proto_port(protos, RFCOMM_UUID);
+ if (ch > 0) {
+ if (channel)
+ *channel = ch;
+ return 0;
+ }
+ }
+
+ sdp_record_free(rec);
+ }
+
+ return -EIO;
+}
+
+void bnep_sdp_unregister(void)
+{
+ if (record && sdp_record_unregister(session, record))
+ syslog(LOG_ERR, "Service record unregistration failed.");
+
+ sdp_close(session);
+}
+
+int bnep_sdp_register(bdaddr_t *device, uint16_t role)
+{
+ sdp_list_t *svclass, *pfseq, *apseq, *root, *aproto;
+ uuid_t root_uuid, pan, l2cap, bnep;
+ sdp_profile_desc_t profile[1];
+ sdp_list_t *proto[2];
+ sdp_data_t *v, *p;
+ uint16_t psm = 15, version = 0x0100;
+ uint16_t security_desc = 0;
+ uint16_t net_access_type = 0xfffe;
+ uint32_t max_net_access_rate = 0;
+ char *name = "BlueZ PAN";
+ char *desc = "BlueZ PAN Service";
+ int status;
+
+ session = sdp_connect(BDADDR_ANY, BDADDR_LOCAL, 0);
+ if (!session) {
+ syslog(LOG_ERR, "Failed to connect to the local SDP server. %s(%d)",
+ strerror(errno), errno);
+ return -1;
+ }
+
+ record = sdp_record_alloc();
+ if (!record) {
+ syslog(LOG_ERR, "Failed to allocate service record %s(%d)",
+ strerror(errno), errno);
+ sdp_close(session);
+ return -1;
+ }
+
+ sdp_uuid16_create(&root_uuid, PUBLIC_BROWSE_GROUP);
+ root = sdp_list_append(NULL, &root_uuid);
+ sdp_set_browse_groups(record, root);
+ sdp_list_free(root, 0);
+
+ sdp_uuid16_create(&l2cap, L2CAP_UUID);
+ proto[0] = sdp_list_append(NULL, &l2cap);
+ p = sdp_data_alloc(SDP_UINT16, &psm);
+ proto[0] = sdp_list_append(proto[0], p);
+ apseq = sdp_list_append(NULL, proto[0]);
+
+ sdp_uuid16_create(&bnep, BNEP_UUID);
+ proto[1] = sdp_list_append(NULL, &bnep);
+ v = sdp_data_alloc(SDP_UINT16, &version);
+ proto[1] = sdp_list_append(proto[1], v);
+
+ /* Supported protocols */
+ {
+ uint16_t ptype[4] = {
+ 0x0800, /* IPv4 */
+ 0x0806, /* ARP */
+ };
+ sdp_data_t *head, *pseq;
+ int p;
+
+ for (p = 0, head = NULL; p < 2; p++) {
+ sdp_data_t *data = sdp_data_alloc(SDP_UINT16, &ptype[p]);
+ if (head)
+ sdp_seq_append(head, data);
+ else
+ head = data;
+ }
+ pseq = sdp_data_alloc(SDP_SEQ16, head);
+ proto[1] = sdp_list_append(proto[1], pseq);
+ }
+
+ apseq = sdp_list_append(apseq, proto[1]);
+
+ aproto = sdp_list_append(NULL, apseq);
+ sdp_set_access_protos(record, aproto);
+
+ add_lang_attr(record);
+
+ sdp_list_free(proto[0], NULL);
+ sdp_list_free(proto[1], NULL);
+ sdp_list_free(apseq, NULL);
+ sdp_list_free(aproto, NULL);
+ sdp_data_free(p);
+ sdp_data_free(v);
+ sdp_attr_add_new(record, SDP_ATTR_SECURITY_DESC, SDP_UINT16, &security_desc);
+
+ switch (role) {
+ case BNEP_SVC_NAP:
+ sdp_uuid16_create(&pan, NAP_SVCLASS_ID);
+ svclass = sdp_list_append(NULL, &pan);
+ sdp_set_service_classes(record, svclass);
+
+ sdp_uuid16_create(&profile[0].uuid, NAP_PROFILE_ID);
+ profile[0].version = 0x0100;
+ pfseq = sdp_list_append(NULL, &profile[0]);
+ sdp_set_profile_descs(record, pfseq);
+
+ sdp_set_info_attr(record, "Network Access Point", name, desc);
+
+ sdp_attr_add_new(record, SDP_ATTR_NET_ACCESS_TYPE, SDP_UINT16, &net_access_type);
+ sdp_attr_add_new(record, SDP_ATTR_MAX_NET_ACCESSRATE, SDP_UINT32, &max_net_access_rate);
+ break;
+
+ case BNEP_SVC_GN:
+ sdp_uuid16_create(&pan, GN_SVCLASS_ID);
+ svclass = sdp_list_append(NULL, &pan);
+ sdp_set_service_classes(record, svclass);
+
+ sdp_uuid16_create(&profile[0].uuid, GN_PROFILE_ID);
+ profile[0].version = 0x0100;
+ pfseq = sdp_list_append(NULL, &profile[0]);
+ sdp_set_profile_descs(record, pfseq);
+
+ sdp_set_info_attr(record, "Group Network Service", name, desc);
+ break;
+
+ case BNEP_SVC_PANU:
+ sdp_uuid16_create(&pan, PANU_SVCLASS_ID);
+ svclass = sdp_list_append(NULL, &pan);
+ sdp_set_service_classes(record, svclass);
+ sdp_list_free(svclass, 0);
+
+ sdp_uuid16_create(&profile[0].uuid, PANU_PROFILE_ID);
+ profile[0].version = 0x0100;
+ pfseq = sdp_list_append(NULL, &profile[0]);
+ sdp_set_profile_descs(record, pfseq);
+ sdp_list_free(pfseq, 0);
+
+ sdp_set_info_attr(record, "PAN User", name, desc);
+ break;
+ }
+
+ status = sdp_device_record_register(session, device, record, 0);
+ if (status) {
+ syslog(LOG_ERR, "SDP registration failed.");
+ sdp_record_free(record); record = NULL;
+ sdp_close(session);
+ return -1;
+ }
+
+ return 0;
+}
+
+/* Search for PAN service.
+ * Returns 1 if service is found and 0 otherwise. */
+int bnep_sdp_search(bdaddr_t *src, bdaddr_t *dst, uint16_t service)
+{
+ sdp_list_t *srch, *rsp = NULL;
+ sdp_session_t *s;
+ uuid_t svclass;
+ int err;
+
+ switch (service) {
+ case BNEP_SVC_PANU:
+ sdp_uuid16_create(&svclass, PANU_SVCLASS_ID);
+ break;
+ case BNEP_SVC_NAP:
+ sdp_uuid16_create(&svclass, NAP_SVCLASS_ID);
+ break;
+ case BNEP_SVC_GN:
+ sdp_uuid16_create(&svclass, GN_SVCLASS_ID);
+ break;
+ }
+
+ srch = sdp_list_append(NULL, &svclass);
+
+ s = sdp_connect(src, dst, 0);
+ if (!s) {
+ syslog(LOG_ERR, "Failed to connect to the SDP server. %s(%d)",
+ strerror(errno), errno);
+ return 0;
+ }
+
+ err = sdp_service_search_req(s, srch, 1, &rsp);
+ sdp_close(s);
+
+ /* Assume that search is successeful
+ * if at least one record is found */
+ if (!err && sdp_list_len(rsp))
+ return 1;
+
+ return 0;
+}
+
+static unsigned char async_uuid[] = { 0x03, 0x50, 0x27, 0x8F, 0x3D, 0xCA, 0x4E, 0x62,
+ 0x83, 0x1D, 0xA4, 0x11, 0x65, 0xFF, 0x90, 0x6C };
+
+void dun_sdp_unregister(void)
+{
+ if (record && sdp_record_unregister(session, record))
+ syslog(LOG_ERR, "Service record unregistration failed.");
+ sdp_close(session);
+}
+
+int dun_sdp_register(bdaddr_t *device, uint8_t channel, int type)
+{
+ sdp_list_t *svclass, *pfseq, *apseq, *root, *aproto;
+ uuid_t root_uuid, l2cap, rfcomm, dun;
+ sdp_profile_desc_t profile[1];
+ sdp_list_t *proto[2];
+ int status;
+
+ session = sdp_connect(BDADDR_ANY, BDADDR_LOCAL, 0);
+ if (!session) {
+ syslog(LOG_ERR, "Failed to connect to the local SDP server. %s(%d)",
+ strerror(errno), errno);
+ return -1;
+ }
+
+ record = sdp_record_alloc();
+ if (!record) {
+ syslog(LOG_ERR, "Failed to alloc service record");
+ return -1;
+ }
+
+ sdp_uuid16_create(&root_uuid, PUBLIC_BROWSE_GROUP);
+ root = sdp_list_append(NULL, &root_uuid);
+ sdp_set_browse_groups(record, root);
+
+ sdp_uuid16_create(&l2cap, L2CAP_UUID);
+ proto[0] = sdp_list_append(NULL, &l2cap);
+ apseq = sdp_list_append(NULL, proto[0]);
+
+ sdp_uuid16_create(&rfcomm, RFCOMM_UUID);
+ proto[1] = sdp_list_append(NULL, &rfcomm);
+ proto[1] = sdp_list_append(proto[1], sdp_data_alloc(SDP_UINT8, &channel));
+ apseq = sdp_list_append(apseq, proto[1]);
+
+ aproto = sdp_list_append(NULL, apseq);
+ sdp_set_access_protos(record, aproto);
+
+ switch (type) {
+ case MROUTER:
+ sdp_uuid16_create(&dun, SERIAL_PORT_SVCLASS_ID);
+ break;
+ case ACTIVESYNC:
+ sdp_uuid128_create(&dun, (void *) async_uuid);
+ break;
+ case DIALUP:
+ sdp_uuid16_create(&dun, DIALUP_NET_SVCLASS_ID);
+ break;
+ default:
+ sdp_uuid16_create(&dun, LAN_ACCESS_SVCLASS_ID);
+ break;
+ }
+
+ svclass = sdp_list_append(NULL, &dun);
+ sdp_set_service_classes(record, svclass);
+
+ switch (type) {
+ case LANACCESS:
+ sdp_uuid16_create(&profile[0].uuid, LAN_ACCESS_PROFILE_ID);
+ profile[0].version = 0x0100;
+ pfseq = sdp_list_append(NULL, &profile[0]);
+ sdp_set_profile_descs(record, pfseq);
+ break;
+ case DIALUP:
+ sdp_uuid16_create(&profile[0].uuid, DIALUP_NET_PROFILE_ID);
+ profile[0].version = 0x0100;
+ pfseq = sdp_list_append(NULL, &profile[0]);
+ sdp_set_profile_descs(record, pfseq);
+ break;
+ }
+
+ switch (type) {
+ case MROUTER:
+ sdp_set_info_attr(record, "mRouter", NULL, NULL);
+ break;
+ case ACTIVESYNC:
+ sdp_set_info_attr(record, "ActiveSync", NULL, NULL);
+ break;
+ case DIALUP:
+ sdp_set_info_attr(record, "Dialup Networking", NULL, NULL);
+ break;
+ default:
+ sdp_set_info_attr(record, "LAN Access Point", NULL, NULL);
+ break;
+ }
+
+ status = sdp_device_record_register(session, device, record, 0);
+ if (status) {
+ syslog(LOG_ERR, "SDP registration failed.");
+ sdp_record_free(record);
+ record = NULL;
+ return -1;
+ }
+ return 0;
+}
+
+int dun_sdp_search(bdaddr_t *src, bdaddr_t *dst, int *channel, int type)
+{
+ sdp_session_t *s;
+ sdp_list_t *srch, *attrs, *rsp;
+ uuid_t svclass;
+ uint16_t attr;
+ int err;
+
+ s = sdp_connect(src, dst, 0);
+ if (!s) {
+ syslog(LOG_ERR, "Failed to connect to the SDP server. %s(%d)",
+ strerror(errno), errno);
+ return -1;
+ }
+
+ switch (type) {
+ case MROUTER:
+ sdp_uuid16_create(&svclass, SERIAL_PORT_SVCLASS_ID);
+ break;
+ case ACTIVESYNC:
+ sdp_uuid128_create(&svclass, (void *) async_uuid);
+ break;
+ case DIALUP:
+ sdp_uuid16_create(&svclass, DIALUP_NET_SVCLASS_ID);
+ break;
+ default:
+ sdp_uuid16_create(&svclass, LAN_ACCESS_SVCLASS_ID);
+ break;
+ }
+
+ srch = sdp_list_append(NULL, &svclass);
+
+ attr = SDP_ATTR_PROTO_DESC_LIST;
+ attrs = sdp_list_append(NULL, &attr);
+
+ err = sdp_service_search_attr_req(s, srch, SDP_ATTR_REQ_INDIVIDUAL, attrs, &rsp);
+
+ sdp_close(s);
+
+ if (err)
+ return 0;
+
+ for(; rsp; rsp = rsp->next) {
+ sdp_record_t *rec = (sdp_record_t *) rsp->data;
+ sdp_list_t *protos;
+
+ if (!sdp_get_access_protos(rec, &protos)) {
+ int ch = sdp_get_proto_port(protos, RFCOMM_UUID);
+ if (ch > 0) {
+ *channel = ch;
+ return 1;
+ }
+ }
+ }
+
+ return 0;
+}