diff options
Diffstat (limited to 'sdpd/service.c')
| -rw-r--r-- | sdpd/service.c | 166 |
1 files changed, 165 insertions, 1 deletions
diff --git a/sdpd/service.c b/sdpd/service.c index bea82930..ae4a7c10 100644 --- a/sdpd/service.c +++ b/sdpd/service.c @@ -30,6 +30,7 @@ #include <stdio.h> #include <errno.h> +#include <stdlib.h> #include <sys/socket.h> #include <bluetooth/bluetooth.h> @@ -41,7 +42,170 @@ #include "sdpd.h" #include "logging.h" -extern void update_db_timestamp(void); +static sdp_record_t *server; + +/* + * List of version numbers supported by the SDP server. + * Add to this list when newer versions are supported. + */ +static sdp_version_t sdpVnumArray[1] = { + { 1, 0 } +}; +static const int sdpServerVnumEntries = 1; + +/* + * The service database state is an attribute of the service record + * of the SDP server itself. This attribute is guaranteed to + * change if any of the contents of the service repository + * changes. This function updates the timestamp of value of + * the svcDBState attribute + * Set the SDP server DB. Simply a timestamp which is the marker + * when the DB was modified. + */ +static void update_db_timestamp(void) +{ + uint32_t dbts = sdp_get_time(); + sdp_data_t *d = sdp_data_alloc(SDP_UINT32, &dbts); + sdp_attr_replace(server, SDP_ATTR_SVCDB_STATE, d); +} + +static void add_lang_attr(sdp_record_t *r) +{ + sdp_lang_attr_t base_lang; + sdp_list_t *langs = 0; + + base_lang.code_ISO639 = (0x65 << 8) | 0x6e; + // UTF-8 MIBenum (http://www.iana.org/assignments/character-sets) + 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); +} + +void register_public_browse_group(int public) +{ + sdp_list_t *browselist; + uuid_t bgscid, pbgid; + sdp_data_t *sdpdata; + sdp_record_t *browse = sdp_record_alloc(); + + if (public) { + browse->handle = sdp_next_handle(); + if (browse->handle < 0x10000) + return; + } else + browse->handle = SDP_SERVER_RECORD_HANDLE + 1; + + sdp_record_add(BDADDR_ANY, browse); + sdpdata = sdp_data_alloc(SDP_UINT32, &browse->handle); + sdp_attr_add(browse, SDP_ATTR_RECORD_HANDLE, sdpdata); + + add_lang_attr(browse); + sdp_set_info_attr(browse, "Public Browse Group Root", "BlueZ", "Root of public browse hierarchy"); + + sdp_uuid16_create(&bgscid, BROWSE_GRP_DESC_SVCLASS_ID); + browselist = sdp_list_append(0, &bgscid); + sdp_set_service_classes(browse, browselist); + sdp_list_free(browselist, 0); + + if (public) { + sdp_uuid16_create(&pbgid, PUBLIC_BROWSE_GROUP); + sdp_set_group_id(browse, pbgid); + } +} + +/* + * The SDP server must present its own service record to + * the service repository. This can be accessed by service + * discovery clients. This method constructs a service record + * and stores it in the repository + */ +void register_server_service(int public) +{ + int i; + sdp_list_t *classIDList, *browseList; + sdp_list_t *access_proto = 0; + uuid_t l2cap, classID, browseGroupId, sdpSrvUUID; + void **versions, **versionDTDs; + uint8_t dtd; + uint16_t version, port; + sdp_data_t *pData, *port_data, *version_data; + sdp_list_t *pd, *seq; + + server = sdp_record_alloc(); + server->pattern = NULL; + + /* Force the record to be SDP_SERVER_RECORD_HANDLE */ + server->handle = SDP_SERVER_RECORD_HANDLE; + + sdp_record_add(BDADDR_ANY, server); + sdp_attr_add(server, SDP_ATTR_RECORD_HANDLE, sdp_data_alloc(SDP_UINT32, &server->handle)); + + /* + * Add all attributes to service record. (No need to commit since we + * are the server and this record is already in the database.) + */ + add_lang_attr(server); + sdp_set_info_attr(server, "SDP Server", "BlueZ", "Bluetooth service discovery server"); + + sdp_uuid16_create(&classID, SDP_SERVER_SVCLASS_ID); + classIDList = sdp_list_append(0, &classID); + sdp_set_service_classes(server, classIDList); + sdp_list_free(classIDList, 0); + + /* + * Set the version numbers supported, these are passed as arguments + * to the server on command line. Now defaults to 1.0 + * Build the version number sequence first + */ + versions = (void **)malloc(sdpServerVnumEntries * sizeof(void *)); + versionDTDs = (void **)malloc(sdpServerVnumEntries * sizeof(void *)); + dtd = SDP_UINT16; + for (i = 0; i < sdpServerVnumEntries; i++) { + uint16_t *version = malloc(sizeof(uint16_t)); + *version = sdpVnumArray[i].major; + *version = (*version << 8); + *version |= sdpVnumArray[i].minor; + versions[i] = version; + versionDTDs[i] = &dtd; + } + pData = sdp_seq_alloc(versionDTDs, versions, sdpServerVnumEntries); + for (i = 0; i < sdpServerVnumEntries; i++) + free(versions[i]); + free(versions); + free(versionDTDs); + sdp_attr_add(server, SDP_ATTR_VERSION_NUM_LIST, pData); + + sdp_uuid16_create(&sdpSrvUUID, SDP_UUID); + sdp_set_service_id(server, sdpSrvUUID); + + sdp_uuid16_create(&l2cap, L2CAP_UUID); + pd = sdp_list_append(0, &l2cap); + port = SDP_PSM; + port_data = sdp_data_alloc(SDP_UINT16, &port); + pd = sdp_list_append(pd, port_data); + version = 1; + version_data = sdp_data_alloc(SDP_UINT16, &version); + pd = sdp_list_append(pd, version_data); + seq = sdp_list_append(0, pd); + + access_proto = sdp_list_append(0, seq); + sdp_set_access_protos(server, access_proto); + sdp_list_free(access_proto, free); + sdp_data_free(port_data); + sdp_data_free(version_data); + sdp_list_free(pd, 0); + + if (public) { + sdp_uuid16_create(&browseGroupId, PUBLIC_BROWSE_GROUP); + browseList = sdp_list_append(0, &browseGroupId); + sdp_set_browse_groups(server, browseList); + sdp_list_free(browseList, 0); + } + + update_db_timestamp(); +} // FIXME: refactor for server-side static sdp_record_t *extract_pdu_server(bdaddr_t *device, uint8_t *p, uint32_t handleExpected, int *scanned) |