#if HAVE_CRT #define _CRTDBG_MAP_ALLOC #include #include #endif //HAVE_CRT /* * Copyright (C) 2020, University of the Basque Country (UPV/EHU) * Contact for licensing options: * * The original file was part of Open Source Doubango Framework * Copyright (C) 2010-2011 Mamadou Diop. * Copyright (C) 2012 Doubango Telecom * * This file is part of Open Source Doubango Framework. * * DOUBANGO 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 3 of the License, or * (at your option) any later version. * * DOUBANGO 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 DOUBANGO. * */ /**@file tsms_tpdu_deliver.c * @brief SMS TPDU SMS-DELIVER message as per 3GPP TS 23.040 section 9.2.2.1. * * @author Mamadou Diop * */ #include "tinysms/tpdu/tsms_tpdu_deliver.h" #include "tsk_string.h" #include "tsk_memory.h" #include "tsk_debug.h" #include /* memcpy */ #define TSMS_ERROR_TOO_SHORT()\ TSK_DEBUG_ERROR("SMS-DELIVER == Data too short.");\ failed = tsk_true;\ goto bail; /** internal function used to deserialize a buffer containing a SMS-DELIVER message. */ tsms_tpdu_message_t* _tsms_tpdu_deliver_deserialize(const void* data, tsk_size_t size) { /* You don't need to test data and test, this is an internal function called by tsms_tpdu_message_deserialize() */ tsms_tpdu_deliver_t* self = tsms_tpdu_deliver_create(tsk_null, tsk_null); tsk_bool_t failed = tsk_false; tsk_size_t any_len; const uint8_t* pdata = data; const uint8_t* pend = pdata + size; /* SMSC address */ #if TSMS_TPDU_APPEND_SMSC if(!(self->smsc = tsms_address_deserialize(data, size, tsms_addr_smsc, &any_len)) || !any_len){ TSK_DEBUG_ERROR("SMS-DELIVER == Failed to parse SMSC address"); failed = tsk_true; goto bail; } else{ if((pdata += any_len) >= pend){ TSMS_ERROR_TOO_SHORT(); } } #endif /* SMS-DELIVER first Octect: - TP-Message-Type-Indicator(2b) - TP-More-Messages-to-Send(1b) - TP-Loop-Prevention(1b) - TP-Reply-Path(1b) - TP-User-Data-Header-Indicator(1b) - TP-Status-Report-Indication(1b) +----+----+----+----+----+----+----+----+ | RP|UDHI|SRI | |LP |MMS | MTI | +----+----+----+----+----+----+----+----+ */ TSMS_TPDU_MESSAGE(self)->mti = (*pdata & 0x03); self->mms = (*pdata & 0x04)>>2, self->lp = (*pdata & 0x08)>>3, self->sri = (*pdata & 0x20)>>5, self->udhi = (*pdata & 0x40)>>6, self->rp = (*pdata & 0x80)>>7; if((++pdata) >= pend){ TSMS_ERROR_TOO_SHORT(); } /* 3GPP TS 23.040 ==> TP-Originating-Address (TP-OA)*/ if(!(self->oa = tsms_address_deserialize(pdata, (pend-pdata), tsms_addr_oa, &any_len)) || !any_len){ TSK_DEBUG_ERROR("SMS-DELIVER == Failed to parse OA address"); failed = tsk_true; goto bail; } else{ if((pdata += any_len) >= pend){ TSMS_ERROR_TOO_SHORT(); } } /* 3GPP TS 23.040 ==> 9.2.3.9 TP-Protocol-Identifier (TP-PID) * 1o */ TSMS_TPDU_MESSAGE(self)->pid = *pdata; if((++pdata) >= pend){ TSMS_ERROR_TOO_SHORT(); } /* 3GPP TS 23.040 ==> 9.2.3.10 TP-Data-Coding-Scheme (TP-DCS) * 1o */ TSMS_TPDU_MESSAGE(self)->dcs = *pdata; if((++pdata) >= pend){ TSMS_ERROR_TOO_SHORT(); } /* 3GPP TS 23.040 ==> TP-Service-Centre-Time-Stamp (TP-SCTS) * 7o */ if((pend - pdata)<=7){ TSMS_ERROR_TOO_SHORT(); } memcpy(self->scts, pdata, 7); pdata += 7; /* 3GPP TS 23.040 ==> 9.2.3.16 TP-User-Data-Length (TP-UDL) * 1o */ TSMS_TPDU_MESSAGE(self)->udl = *pdata; pdata++; /* 3GPP TS 23.040 ==> 9.2.3.24 TP-User Data (TP-UD) */ if((pend-pdata) > 0){ TSMS_TPDU_MESSAGE(self)->ud = tsk_buffer_create(pdata, (pend-pdata)); } bail: if(failed){ TSK_OBJECT_SAFE_FREE(self); } return TSMS_TPDU_MESSAGE(self); } /** internal function used to serialize a SMS-DELIVER message. */ int _tsms_tpdu_deliver_serialize(const tsms_tpdu_deliver_t* self, tsk_buffer_t* output) { uint8_t _1byte; if(!self){ return -1; } /* SMSC address */ #if TSMS_TPDU_APPEND_SMSC tsms_address_serialize(self->smsc, output); #endif /* SMS-DELIVER first Octect: - TP-Message-Type-Indicator(2b) - TP-More-Messages-to-Send(1b) - TP-Loop-Prevention(1b) - TP-Reply-Path(1b) - TP-User-Data-Header-Indicator(1b) - TP-Status-Report-Indication(1b) +----+----+----+----+----+----+----+----+ | RP|UDHI|SRI | |LP |MMS | MTI | +----+----+----+----+----+----+----+----+ */ _1byte = (TSMS_TPDU_MESSAGE(self)->mti & 0xF3); /*2b*/ _1byte |= ((uint8_t)self->mms) << 2 /*1b*/ | ((uint8_t)self->lp) << 3 /*1b*/ /*1b (unused)*/ | ((uint8_t)self->sri) << 5 /*1b*/ | ((uint8_t)self->udhi) << 6 /*1b*/ | ((uint8_t)self->rp) << 7; /*1b*/ tsk_buffer_append(output, &_1byte, 1); /* 3GPP TS 23.040 ==> TP-Originating-Address (TP-OA)*/ tsms_address_serialize(self->oa, output); /* 3GPP TS 23.040 ==> 9.2.3.9 TP-Protocol-Identifier (TP-PID)*/ tsk_buffer_append(output, &TSMS_TPDU_MESSAGE(self)->pid, 1); /*1o*/ /* 3GPP TS 23.040 ==> 9.2.3.10 TP-Data-Coding-Scheme (TP-DCS)*/ tsk_buffer_append(output, &TSMS_TPDU_MESSAGE(self)->dcs, 1); /*1o*/ /* 3GPP TS 23.040 ==> TP-Service-Centre-Time-Stamp (TP-SCTS)*/ tsk_buffer_append(output, self->scts, sizeof(self->scts)); /*7o*/ /* 3GPP TS 23.040 ==> 9.2.3.16 TP-User-Data-Length (TP-UDL) */ tsk_buffer_append(output, &TSMS_TPDU_MESSAGE(self)->udl, 1); /*1o*/ /* 3GPP TS 23.040 ==> 9.2.3.24 TP-User Data (TP-UD) */ tsk_buffer_append(output, TSK_BUFFER_DATA(TSMS_TPDU_MESSAGE(self)->ud), TSK_BUFFER_SIZE(TSMS_TPDU_MESSAGE(self)->ud)); return 0; } /**@ingroup tsms_tpdu_group * Creates new @a SMS-DELIVER message. * @a SMS-DELIVER messages are used to convey short messages from the SC (Service Center) to the MS (Mobile Station).
* For more information, please refer to 3GPP TS 23.040 section 9.2.2.1. * @param smsc SMSC address. e.g. "+331253688". * @param orig The Originator address. e.g. "+331253688". * @retval SMS-DELIVER message. * * See For more information, see @ref tsms_tpdu_group_DELIVER "SMS-DELIVER". */ tsms_tpdu_deliver_t* tsms_tpdu_deliver_create(const tsms_address_string_t smsc, const tsms_address_string_t orig) { tsms_tpdu_deliver_t* ret = tsk_null; if(!(ret = tsk_object_new(tsms_tpdu_deliver_def_t, smsc, orig))){ goto bail; } bail: return ret; } //================================================================================================= // SMS TPDU SMS-DELIVER object definition // static tsk_object_t* tsms_tpdu_deliver_ctor(tsk_object_t * self, va_list * app) { tsms_tpdu_deliver_t *deliver = self; if(deliver){ const char* smsc, *orig; smsc = va_arg(*app, const char*); orig = va_arg(*app, const char*); /* init base*/ tsms_tpdu_message_init(TSMS_TPDU_MESSAGE(deliver), tsms_tpdu_mti_deliver_mt); /* init self */ deliver->mms = TSMS_TPDU_DEFAULT_MMS; if(smsc){ deliver->smsc = tsms_address_smsc_create((const uint8_t*)smsc); } if(orig){ deliver->oa = tsms_address_oa_create((const uint8_t*)orig); } } return self; } static tsk_object_t* tsms_tpdu_deliver_dtor(tsk_object_t * self) { tsms_tpdu_deliver_t *deliver = self; if(deliver){ /*deinit base*/ tsms_tpdu_message_deinit(TSMS_TPDU_MESSAGE(deliver)); /*deinit self*/ TSK_OBJECT_SAFE_FREE(deliver->oa); TSK_OBJECT_SAFE_FREE(deliver->smsc); } return self; } static const tsk_object_def_t tsms_tpdu_deliver_def_s = { sizeof(tsms_tpdu_deliver_t), tsms_tpdu_deliver_ctor, tsms_tpdu_deliver_dtor, tsk_null, }; const tsk_object_def_t *tsms_tpdu_deliver_def_t = &tsms_tpdu_deliver_def_s;