diff options
Diffstat (limited to 'compat/sdp.c')
| -rw-r--r-- | compat/sdp.c | 720 |
1 files changed, 720 insertions, 0 deletions
diff --git a/compat/sdp.c b/compat/sdp.c new file mode 100644 index 0000000..f384844 --- /dev/null +++ b/compat/sdp.c @@ -0,0 +1,720 @@ +/* + * + * BlueZ - Bluetooth protocol stack for Linux + * + * Copyright (C) 2003-2010 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 <limits.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 }; + unsigned 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); + + + req->vendor = vendor; + req->product = product; + req->version = version; + req->subclass = subclass; + req->country = country; + req->parser = parser; + + snprintf(req->name, 128, "%s", str + pos); + + free(str); + 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; + + pdlist2 = sdp_data_get(rec, 0x0100); + if (pdlist2) + strncpy(req->name, pdlist2->val.str, sizeof(req->name) - 1); + else { + 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) - 1); + } + } + + 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; +} |