#if HAVE_CRT #define _CRTDBG_MAP_ALLOC #include <stdlib.h> #include <crtdbg.h> #endif //HAVE_CRT /* #line 1 "./ragel/tsdp_parser_message.rl" */ /* * Copyright (C) 2020, University of the Basque Country (UPV/EHU) * Contact for licensing options: <licensing-mcpttclient(at)mcopenplatform(dot)com> * * The original file was part of Open Source Doubango Framework * Copyright (C) 2010-2011 Mamadou Diop. * Copyright (C) 2012 Doubango Telecom <http://doubango.org> * * 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 tsdp_machine_message.rl * @brief Ragel file. */ #include "tinysdp/parsers/tsdp_parser_message.h" #include "tinysdp/headers/tsdp_header_A.h" #include "tinysdp/headers/tsdp_header_B.h" #include "tinysdp/headers/tsdp_header_C.h" #include "tinysdp/headers/tsdp_header_Dummy.h" #include "tinysdp/headers/tsdp_header_E.h" #include "tinysdp/headers/tsdp_header_I.h" #include "tinysdp/headers/tsdp_header_K.h" #include "tinysdp/headers/tsdp_header_M.h" #include "tinysdp/headers/tsdp_header_O.h" #include "tinysdp/headers/tsdp_header_P.h" #include "tinysdp/headers/tsdp_header_R.h" #include "tinysdp/headers/tsdp_header_S.h" #include "tinysdp/headers/tsdp_header_T.h" #include "tinysdp/headers/tsdp_header_U.h" #include "tinysdp/headers/tsdp_header_V.h" #include "tinysdp/headers/tsdp_header_Z.h" #include "tsk_debug.h" /* #line 238 "./ragel/tsdp_parser_message.rl" */ TSK_RAGEL_DISABLE_WARNINGS_BEGIN() /* Ragel data */ /* #line 54 "./src/parsers/tsdp_parser_message.c" */ static const char _tsdp_machine_message_actions[] = { 0, 1, 0, 1, 1, 1, 2, 1, 3, 1, 4, 1, 5, 1, 6, 1, 7, 1, 8, 1, 9, 1, 10, 1, 11, 1, 12, 1, 13, 1, 14, 1, 15, 1, 16 }; static const char _tsdp_machine_message_key_offsets[] = { 0, 0, 2, 3, 4, 6, 7, 9, 10, 12, 13, 15, 16, 18, 19, 21, 22, 24, 25, 27, 28, 30, 31, 33, 34, 36, 37, 39, 40, 42, 43, 45, 46, 48, 49 }; static const char _tsdp_machine_message_trans_keys[] = { 32, 61, 13, 10, 32, 61, 13, 32, 61, 13, 32, 61, 13, 32, 61, 13, 32, 61, 13, 32, 61, 13, 32, 61, 13, 32, 61, 13, 32, 61, 13, 32, 61, 13, 32, 61, 13, 32, 61, 13, 32, 61, 13, 32, 61, 13, 32, 61, 13, 65, 66, 67, 69, 73, 75, 77, 79, 80, 82, 83, 84, 85, 86, 90, 97, 98, 99, 101, 105, 107, 109, 111, 112, 114, 115, 116, 117, 118, 122, 68, 89, 100, 121, 0 }; static const char _tsdp_machine_message_single_lengths[] = { 0, 2, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 30 }; static const char _tsdp_machine_message_range_lengths[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2 }; static const char _tsdp_machine_message_index_offsets[] = { 0, 0, 3, 5, 7, 10, 12, 15, 17, 20, 22, 25, 27, 30, 32, 35, 37, 40, 42, 45, 47, 50, 52, 55, 57, 60, 62, 65, 67, 70, 72, 75, 77, 80, 82 }; static const char _tsdp_machine_message_trans_targs[] = { 1, 2, 0, 3, 2, 34, 0, 4, 5, 0, 3, 5, 6, 7, 0, 3, 7, 8, 9, 0, 3, 9, 10, 11, 0, 3, 11, 12, 13, 0, 3, 13, 14, 15, 0, 3, 15, 16, 17, 0, 3, 17, 18, 19, 0, 3, 19, 20, 21, 0, 3, 21, 22, 23, 0, 3, 23, 24, 25, 0, 3, 25, 26, 27, 0, 3, 27, 28, 29, 0, 3, 29, 30, 31, 0, 3, 31, 32, 33, 0, 3, 33, 1, 4, 6, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 1, 4, 6, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 8, 8, 0, 0 }; static const char _tsdp_machine_message_trans_actions[] = { 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 7, 0, 0, 0, 0, 9, 0, 0, 0, 0, 11, 0, 0, 0, 0, 13, 0, 0, 0, 0, 15, 0, 0, 0, 0, 17, 0, 0, 0, 0, 19, 0, 0, 0, 0, 21, 0, 0, 0, 0, 23, 0, 0, 0, 0, 25, 0, 0, 0, 0, 27, 0, 0, 0, 0, 29, 0, 0, 0, 0, 31, 0, 0, 0, 0, 33, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 }; static const int tsdp_machine_message_start = 34; static const int tsdp_machine_message_first_final = 34; static const int tsdp_machine_message_error = 0; static const int tsdp_machine_message_en_main = 34; /* #line 243 "./ragel/tsdp_parser_message.rl" */ TSK_RAGEL_DISABLE_WARNINGS_END() tsdp_message_t* tsdp_message_parse(const void *input, tsk_size_t size) { tsdp_message_t* sdp_msg = tsk_null; const char* tag_start = tsk_null; tsdp_header_t *header = tsk_null; tsdp_header_T_t *hdr_T = tsk_null; tsdp_header_M_t *hdr_M = tsk_null; /* Ragel variables */ int cs = 0; const char* p = input; const char* pe = p + size; const char* eof = tsk_null; (void)(eof); if(!input || !size){ TSK_DEBUG_ERROR("Null or empty buffer."); goto bail; } if(!(sdp_msg = tsdp_message_create())){ goto bail; } TSK_RAGEL_DISABLE_WARNINGS_BEGIN() /* Ragel init */ /* #line 183 "./src/parsers/tsdp_parser_message.c" */ { cs = tsdp_machine_message_start; } /* #line 273 "./ragel/tsdp_parser_message.rl" */ /* Ragel execute */ /* #line 192 "./src/parsers/tsdp_parser_message.c" */ { int _klen; unsigned int _trans; const char *_acts; unsigned int _nacts; const char *_keys; if ( p == pe ) goto _test_eof; if ( cs == 0 ) goto _out; _resume: _keys = _tsdp_machine_message_trans_keys + _tsdp_machine_message_key_offsets[cs]; _trans = _tsdp_machine_message_index_offsets[cs]; _klen = _tsdp_machine_message_single_lengths[cs]; if ( _klen > 0 ) { const char *_lower = _keys; const char *_mid; const char *_upper = _keys + _klen - 1; while (1) { if ( _upper < _lower ) break; _mid = _lower + ((_upper-_lower) >> 1); if ( (*p) < *_mid ) _upper = _mid - 1; else if ( (*p) > *_mid ) _lower = _mid + 1; else { _trans += (_mid - _keys); goto _match; } } _keys += _klen; _trans += _klen; } _klen = _tsdp_machine_message_range_lengths[cs]; if ( _klen > 0 ) { const char *_lower = _keys; const char *_mid; const char *_upper = _keys + (_klen<<1) - 2; while (1) { if ( _upper < _lower ) break; _mid = _lower + (((_upper-_lower) >> 1) & ~1); if ( (*p) < _mid[0] ) _upper = _mid - 2; else if ( (*p) > _mid[1] ) _lower = _mid + 2; else { _trans += ((_mid - _keys)>>1); goto _match; } } _trans += _klen; } _match: cs = _tsdp_machine_message_trans_targs[_trans]; if ( _tsdp_machine_message_trans_actions[_trans] == 0 ) goto _again; _acts = _tsdp_machine_message_actions + _tsdp_machine_message_trans_actions[_trans]; _nacts = (unsigned int) *_acts++; while ( _nacts-- > 0 ) { switch ( *_acts++ ) { case 0: /* #line 52 "./ragel/tsdp_parser_message.rl" */ { tag_start = p; } break; case 1: /* #line 59 "./ragel/tsdp_parser_message.rl" */ { if(hdr_M){ if(!hdr_M->Attributes){ hdr_M->Attributes = tsk_list_create(); } if((header = (tsdp_header_t*)tsdp_header_A_parse(tag_start, (p - tag_start)))){ tsk_list_push_back_data(hdr_M->Attributes, (void**)&header); } } else if((header = (tsdp_header_t*)tsdp_header_A_parse(tag_start, (p - tag_start)))){ tsdp_message_add_header(sdp_msg, header); tsk_object_unref(header); } } break; case 2: /* #line 74 "./ragel/tsdp_parser_message.rl" */ { if(hdr_M){ if(!hdr_M->Bandwidths){ hdr_M->Bandwidths = tsk_list_create(); } if((header = (tsdp_header_t*)tsdp_header_B_parse(tag_start, (p - tag_start)))){ tsk_list_push_back_data(hdr_M->Bandwidths, (void**)&header); } } else if((header = (tsdp_header_t*)tsdp_header_B_parse(tag_start, (p - tag_start)))){ tsdp_message_add_header(sdp_msg, header); tsk_object_unref(header); } } break; case 3: /* #line 89 "./ragel/tsdp_parser_message.rl" */ { if(hdr_M && !hdr_M->C){ hdr_M->C = tsdp_header_C_parse(tag_start, (p - tag_start)); } else if((header = (tsdp_header_t*)tsdp_header_C_parse(tag_start, (p - tag_start)))){ tsdp_message_add_header(sdp_msg, header); tsk_object_unref(header); } } break; case 4: /* #line 99 "./ragel/tsdp_parser_message.rl" */ { if((header = (tsdp_header_t*)tsdp_header_Dummy_parse(tag_start, (p - tag_start)))){ tsdp_message_add_header(sdp_msg, header); tsk_object_unref(header); } } break; case 5: /* #line 106 "./ragel/tsdp_parser_message.rl" */ { if((header = (tsdp_header_t*)tsdp_header_E_parse(tag_start, (p - tag_start)))){ tsdp_message_add_header(sdp_msg, header); tsk_object_unref(header); } } break; case 6: /* #line 113 "./ragel/tsdp_parser_message.rl" */ { if(hdr_M && !hdr_M->I){ hdr_M->I = tsdp_header_I_parse(tag_start, (p - tag_start)); } else if((header = (tsdp_header_t*)tsdp_header_I_parse(tag_start, (p - tag_start)))){ tsdp_message_add_header(sdp_msg, header); tsk_object_unref(header); } } break; case 7: /* #line 123 "./ragel/tsdp_parser_message.rl" */ { if(hdr_M && !hdr_M->K){ hdr_M->K = tsdp_header_K_parse(tag_start, (p - tag_start)); } else if((header = (tsdp_header_t*)tsdp_header_K_parse(tag_start, (p - tag_start)))){ tsdp_message_add_header(sdp_msg, header); tsk_object_unref(header); } } break; case 8: /* #line 133 "./ragel/tsdp_parser_message.rl" */ { if((hdr_M = tsdp_header_M_parse(tag_start, (p - tag_start)))){ tsdp_message_add_header(sdp_msg, TSDP_HEADER(hdr_M)); hdr_M = tsk_object_unref(hdr_M); } } break; case 9: /* #line 140 "./ragel/tsdp_parser_message.rl" */ { if((header = (tsdp_header_t*)tsdp_header_O_parse(tag_start, (p - tag_start)))){ tsdp_message_add_header(sdp_msg, header); tsk_object_unref(header); } } break; case 10: /* #line 147 "./ragel/tsdp_parser_message.rl" */ { if((header = (tsdp_header_t*)tsdp_header_P_parse(tag_start, (p - tag_start)))){ tsdp_message_add_header(sdp_msg, header); tsk_object_unref(header); } } break; case 11: /* #line 154 "./ragel/tsdp_parser_message.rl" */ { if((header = (tsdp_header_t*)tsdp_header_R_parse(tag_start, (p - tag_start)))){ if(hdr_T){ if(!hdr_T->repeat_fields){ hdr_T->repeat_fields = tsk_list_create(); } tsk_list_push_back_data(hdr_T->repeat_fields, (void**)&header); } else{ tsdp_message_add_header(sdp_msg, header); tsk_object_unref(header); } } } break; case 12: /* #line 169 "./ragel/tsdp_parser_message.rl" */ { if((header = (tsdp_header_t*)tsdp_header_S_parse(tag_start, (p - tag_start)))){ tsdp_message_add_header(sdp_msg, header); tsk_object_unref(header); } } break; case 13: /* #line 176 "./ragel/tsdp_parser_message.rl" */ { if((hdr_T = tsdp_header_T_parse(tag_start, (p - tag_start)))){ tsdp_message_add_header(sdp_msg, TSDP_HEADER(hdr_T)); hdr_T = tsk_object_unref(hdr_T); } } break; case 14: /* #line 183 "./ragel/tsdp_parser_message.rl" */ { if((header = (tsdp_header_t*)tsdp_header_U_parse(tag_start, (p - tag_start)))){ tsdp_message_add_header(sdp_msg, header); tsk_object_unref(header); } } break; case 15: /* #line 190 "./ragel/tsdp_parser_message.rl" */ { if((header = (tsdp_header_t*)tsdp_header_V_parse(tag_start, (p - tag_start)))){ tsdp_message_add_header(sdp_msg, header); tsk_object_unref(header); } } break; case 16: /* #line 197 "./ragel/tsdp_parser_message.rl" */ { if((header = (tsdp_header_t*)tsdp_header_Z_parse(tag_start, (p - tag_start)))){ tsdp_message_add_header(sdp_msg, header); tsk_object_unref(header); } } break; /* #line 448 "./src/parsers/tsdp_parser_message.c" */ } } _again: if ( cs == 0 ) goto _out; if ( ++p != pe ) goto _resume; _test_eof: {} _out: {} } /* #line 276 "./ragel/tsdp_parser_message.rl" */ TSK_RAGEL_DISABLE_WARNINGS_END() /* Check result */ if( cs < /* #line 466 "./src/parsers/tsdp_parser_message.c" */ 34 /* #line 279 "./ragel/tsdp_parser_message.rl" */ ) { TSK_DEBUG_ERROR("Failed to parse SDP message."); TSK_OBJECT_SAFE_FREE(sdp_msg); goto bail; } bail: return sdp_msg; }