/* * profile.c * * Copyright (c) 2004 Maksim Yevmenkin * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $Id: profile.c,v 1.6 2004/01/13 19:31:54 max Exp $ * $FreeBSD$ */ #include #include #include #include #include "profile.h" #include "provider.h" /* * Lookup profile descriptor */ profile_p profile_get_descriptor(uint16_t uuid) { extern profile_t dun_profile_descriptor; extern profile_t ftrn_profile_descriptor; extern profile_t irmc_profile_descriptor; extern profile_t irmc_command_profile_descriptor; extern profile_t lan_profile_descriptor; extern profile_t opush_profile_descriptor; extern profile_t sp_profile_descriptor; static const profile_p profiles[] = { &dun_profile_descriptor, &ftrn_profile_descriptor, &irmc_profile_descriptor, &irmc_command_profile_descriptor, &lan_profile_descriptor, &opush_profile_descriptor, &sp_profile_descriptor }; int32_t i; for (i = 0; i < sizeof(profiles)/sizeof(profiles[0]); i++) if (profiles[i]->uuid == uuid) return (profiles[i]); return (NULL); } /* * Look attribute in the profile descripror */ profile_attr_create_p profile_get_attr(const profile_p profile, uint16_t attr) { attr_p ad = (attr_p) profile->attrs; for (; ad->create != NULL; ad ++) if (ad->attr == attr) return (ad->create); return (NULL); } /* * uint32 value32 - 5 bytes */ int32_t common_profile_create_service_record_handle( uint8_t *buf, uint8_t const * const eob, uint8_t const *data, uint32_t datalen) { if (buf + 5 > eob) return (-1); SDP_PUT8(SDP_DATA_UINT32, buf); SDP_PUT32(((provider_p) data)->handle, buf); return (5); } /* * seq8 len8 - 2 bytes * uuid16 value16 - 3 bytes * [ uuid16 value ] */ int32_t common_profile_create_service_class_id_list( uint8_t *buf, uint8_t const * const eob, uint8_t const *data, uint32_t datalen) { int32_t len = 3 * (datalen >>= 1); if (len <= 0 || len > 0xff || buf + 2 + len > eob) return (-1); SDP_PUT8(SDP_DATA_SEQ8, buf); SDP_PUT8(len, buf); for (; datalen > 0; datalen --) { SDP_PUT8(SDP_DATA_UUID16, buf); SDP_PUT16(*((uint16_t const *)data)++, buf); } return (2 + len); } /* * seq8 len8 - 2 bytes * seq 8 len8 - 2 bytes * uuid16 value16 - 3 bytes * uint16 value16 - 3 bytes * [ seq 8 len8 * uuid16 value16 * uint16 value16 ] */ int32_t common_profile_create_bluetooth_profile_descriptor_list( uint8_t *buf, uint8_t const * const eob, uint8_t const *data, uint32_t datalen) { int32_t len = 8 * (datalen >>= 2); if (len <= 0 || len > 0xff || buf + 2 + len > eob) return (-1); SDP_PUT8(SDP_DATA_SEQ8, buf); SDP_PUT8(len, buf); for (; datalen > 0; datalen --) { SDP_PUT8(SDP_DATA_SEQ8, buf); SDP_PUT8(6, buf); SDP_PUT8(SDP_DATA_UUID16, buf); SDP_PUT16(*((uint16_t const *)data)++, buf); SDP_PUT8(SDP_DATA_UINT16, buf); SDP_PUT16(*((uint16_t const *)data)++, buf); } return (2 + len); } /* * seq8 len8 - 2 bytes * uint16 value16 - 3 bytes * uint16 value16 - 3 bytes * uint16 value16 - 3 bytes */ int32_t common_profile_create_language_base_attribute_id_list( uint8_t *buf, uint8_t const * const eob, uint8_t const *data, uint32_t datalen) { if (buf + 11 > eob) return (-1); SDP_PUT8(SDP_DATA_SEQ8, buf); SDP_PUT8(9, buf); /* * Language code per ISO 639:1988. Use "en". */ SDP_PUT8(SDP_DATA_UINT16, buf); SDP_PUT16(((0x65 << 8) | 0x6e), buf); /* * Encoding. Recommended is UTF-8. ISO639 UTF-8 MIBenum is 106 * (http://www.iana.org/assignments/character-sets) */ SDP_PUT8(SDP_DATA_UINT16, buf); SDP_PUT16(106, buf); /* * Offset (Primary Language Base is 0x100) */ SDP_PUT8(SDP_DATA_UINT16, buf); SDP_PUT16(SDP_ATTR_PRIMARY_LANGUAGE_BASE_ID, buf); return (11); } /* * Common provider name is "FreeBSD" */ int32_t common_profile_create_service_provider_name( uint8_t *buf, uint8_t const * const eob, uint8_t const *data, uint32_t datalen) { char provider_name[] = "FreeBSD"; return (common_profile_create_string8(buf, eob, (uint8_t const *) provider_name, strlen(provider_name))); } /* * str8 len8 string */ int32_t common_profile_create_string8( uint8_t *buf, uint8_t const * const eob, uint8_t const *data, uint32_t datalen) { if (datalen == 0 || datalen > 0xff || buf + 2 + datalen > eob) return (-1); SDP_PUT8(SDP_DATA_STR8, buf); SDP_PUT8(datalen, buf); memcpy(buf, data, datalen); return (2 + datalen); } /* * seq8 len8 - 2 bytes * seq8 len8 - 2 bytes * uuid16 value16 - 3 bytes * seq8 len8 - 2 bytes * uuid16 value16 - 3 bytes * uint8 value8 - 2 bytes */ int32_t rfcomm_profile_create_protocol_descriptor_list( uint8_t *buf, uint8_t const * const eob, uint8_t const *data, uint32_t datalen) { if (datalen != 1 || buf + 14 > eob) return (-1); SDP_PUT8(SDP_DATA_SEQ8, buf); SDP_PUT8(12, buf); SDP_PUT8(SDP_DATA_SEQ8, buf); SDP_PUT8(3, buf); SDP_PUT8(SDP_DATA_UUID16, buf); SDP_PUT16(SDP_UUID_PROTOCOL_L2CAP, buf); SDP_PUT8(SDP_DATA_SEQ8, buf); SDP_PUT8(5, buf); SDP_PUT8(SDP_DATA_UUID16, buf); SDP_PUT16(SDP_UUID_PROTOCOL_RFCOMM, buf); SDP_PUT8(SDP_DATA_UINT8, buf); SDP_PUT8(*data, buf); return (14); } /* * seq8 len8 - 2 bytes * seq8 len8 - 2 bytes * uuid16 value16 - 3 bytes * seq8 len8 - 2 bytes * uuid16 value16 - 3 bytes * uint8 value8 - 2 bytes * seq8 len8 - 2 bytes * uuid16 value16 - 3 bytes */ int32_t obex_profile_create_protocol_descriptor_list( uint8_t *buf, uint8_t const * const eob, uint8_t const *data, uint32_t datalen) { if (datalen != 1 || buf + 19 > eob) return (-1); SDP_PUT8(SDP_DATA_SEQ8, buf); SDP_PUT8(17, buf); SDP_PUT8(SDP_DATA_SEQ8, buf); SDP_PUT8(3, buf); SDP_PUT8(SDP_DATA_UUID16, buf); SDP_PUT16(SDP_UUID_PROTOCOL_L2CAP, buf); SDP_PUT8(SDP_DATA_SEQ8, buf); SDP_PUT8(5, buf); SDP_PUT8(SDP_DATA_UUID16, buf); SDP_PUT16(SDP_UUID_PROTOCOL_RFCOMM, buf); SDP_PUT8(SDP_DATA_UINT8, buf); SDP_PUT8(*data, buf); SDP_PUT8(SDP_DATA_SEQ8, buf); SDP_PUT8(3, buf); SDP_PUT8(SDP_DATA_UUID16, buf); SDP_PUT16(SDP_UUID_PROTOCOL_OBEX, buf); return (19); } /* * seq8 len8 * uint8 value8 - bytes * [ uint8 value 8 ] */ int32_t obex_profile_create_supported_formats_list( uint8_t *buf, uint8_t const * const eob, uint8_t const *data, uint32_t datalen) { int32_t len = 2 * datalen; if (len <= 0 || len > 0xff || buf + 2 + len > eob) return (-1); SDP_PUT8(SDP_DATA_SEQ8, buf); SDP_PUT8(len, buf); for (; datalen > 0; datalen --) { SDP_PUT8(SDP_DATA_UINT8, buf); SDP_PUT8(*data++, buf); } return (2 + len); } /* * verify server channel number (the first byte in the data) */ int32_t common_profile_server_channel_valid(uint8_t const *data, uint32_t datalen) { if (data[0] < 1 || data[0] > 30) return (0); return (1); } /* * verify server channel number and supported_formats_size * sdp_opush_profile and sdp_irmc_profile */ int32_t obex_profile_data_valid(uint8_t const *data, uint32_t datalen) { sdp_opush_profile_p opush = (sdp_opush_profile_p) data; if (opush->server_channel < 1 || opush->server_channel > 30 || opush->supported_formats_size == 0 || opush->supported_formats_size > sizeof(opush->supported_formats)) return (0); return (1); }