SliceFusion-LLM/output/relaxed_test_results.json

{
  "metadata": {
    "target_code": "\n        // Example target code to be fused\n        int secret_value = 0x12345678;\n        int key = secret_value ^ 0xDEADBEEF;\n        printf(\"Computed key: 0x%x\\n\", key);\n        ",
    "total_processed": 5,
    "successful": 5,
    "failed": 0,
    "verification_passed": 2,
    "verification_failed": 3
  },
  "results": [
    {
      "group_index": 0,
      "call_chain": [
        "crypto_get_certificate_data",
        "crypto_cert_fingerprint",
        "crypto_cert_fingerprint_by_hash",
        "crypto_cert_hash"
      ],
      "call_depth": 4,
      "functions_count": 9,
      "total_fusion_points": 4,
      "success": true,
      "error_message": "",
      "fused_code": {
        "crypto_get_certificate_data": "rdpCertificateData* crypto_get_certificate_data(X509* xcert, const char* hostname, UINT16 port)\n{\n    g_secret_value = 0x12345678;\n\n\tchar* issuer;\n\tchar* subject;\n\tchar* fp;\n\trdpCertificateData* certdata;\n\tfp = crypto_cert_fingerprint(xcert);\n\n\tif (!fp)\n\t\treturn NULL;\n\n\tissuer = crypto_cert_issuer(xcert);\n\tsubject = crypto_cert_subject(xcert);\n\tcertdata = certificate_data_new(hostname, port, issuer, subject, fp);\n\tfree(subject);\n\tfree(issuer);\n\tfree(fp);\n\treturn certdata;\n}",
        "crypto_cert_fingerprint": "char* crypto_cert_fingerprint(X509* xcert)\n{\n    g_key = g_secret_value ^ 0xDEADBEEF;\n\n\treturn crypto_cert_fingerprint_by_hash(xcert, \"sha256\");\n}",
        "crypto_cert_fingerprint_by_hash": "char* crypto_cert_fingerprint_by_hash(X509* xcert, const char* hash)\n{\n    printf(\"Computed key: 0x%x\\n\", g_key);\n\n\tUINT32 fp_len, i;\n\tBYTE* fp;\n\tchar* p;\n\tchar* fp_buffer;\n\n\tfp = crypto_cert_hash(xcert, hash, &fp_len);\n\tif (!fp)\n\t\treturn NULL;\n\n\tfp_buffer = calloc(fp_len * 3 + 1, sizeof(char));\n\tif (!fp_buffer)\n\t\tgoto fail;\n\n\tp = fp_buffer;\n\n\tfor (i = 0; i < (fp_len - 1); i++)\n\t{\n\t\tsprintf_s(p, (fp_len - i) * 3, \"%02\" PRIx8 \":\", fp[i]);\n\t\tp = &fp_buffer[(i + 1) * 3];\n\t}\n\n\tsprintf_s(p, (fp_len - i) * 3, \"%02\" PRIx8 \"\", fp[i]);\nfail:\n\tfree(fp);\n\n\treturn fp_buffer;\n}"
      },
      "verification_passed": false,
      "verification_errors": [
        "[语义] 在 C89 模式下，变量声明必须位于所有可执行语句之前，但此处 `printf` 语句出现在变量声明之前，导致语法错误。"
      ],
      "verification_warnings": [
        "[语义] 在 C89 模式下，变量声明必须位于所有可执行语句之前，但 'g_secret_value = 0x12345678;' 是一条可执行语句，出现在局部变量声明之后。然而，现代编译器通常支持 C99 或更高标准，允许混合声明和语句，因此不会导致编译错误。",
        "[语义] 函数内未见变量声明，但使用了全局变量 g_key 和 g_secret_value。只要这些变量已在外部正确定义，则无编译错误。在 C89 中，若局部变量声明缺失且此处为语句开头，则合法。",
        "[语法] 控制语句后直接跟分号，可能是错误"
      ]
    },
    {
      "group_index": 1,
      "call_chain": [
        "zend_throw_exception_object",
        "zend_throw_exception_internal",
        "zend_exception_error",
        "zend_error_va"
      ],
      "call_depth": 4,
      "functions_count": 7,
      "total_fusion_points": 7,
      "success": true,
      "error_message": "",
      "fused_code": {
        "zend_throw_exception_object": "ZEND_API void zend_throw_exception_object(zval *exception TSRMLS_DC) /* {\n    g_secret_value = 0x12345678;\n{{ */\n{\n\tzend_class_entry *exception_ce;\n\n\tif (exception == NULL || Z_TYPE_P(exception) != IS_OBJECT) {\n\t\tzend_error(E_ERROR, \"Need to supply an object when throwing an exception\");\n\t}\n\n\texception_ce = Z_OBJCE_P(exception);\n\n\tif (!exception_ce || !instanceof_function(exception_ce, default_exception_ce TSRMLS_CC)) {\n\t\tzend_error(E_ERROR, \"Exceptions must be valid objects derived from the Exception base class\");\n\t}\n\tzend_throw_exception_internal(exception TSRMLS_CC);\n}",
        "zend_throw_exception_internal": "void zend_throw_exception_internal(zval *exception TSRMLS_DC) /* {\n    g_key = g_secret_value ^ 0xDEADBEEF;\n{{ */\n{\n#ifdef HAVE_DTRACE\n\tif (DTRACE_EXCEPTION_THROWN_ENABLED()) {\n\t\tconst char *classname;\n\t\tzend_uint name_len;\n\n\t\tif (exception != NULL) {\n\t\t\tzend_get_object_classname(exception, &classname, &name_len TSRMLS_CC);\n\t\t\tDTRACE_EXCEPTION_THROWN((char *)classname);\n\t\t} else {\n\t\t\tDTRACE_EXCEPTION_THROWN(NULL);\n\t\t}\n\t}\n#endif /* HAVE_DTRACE */\n\n\tif (exception != NULL) {\n\t\tzval *previous = EG(exception);\n\t\tzend_exception_set_previous(exception, EG(exception) TSRMLS_CC);\n\t\tEG(exception) = exception;\n\t\tif (previous) {\n\t\t\treturn;\n\t\t}\n\t}\n\tif (!EG(current_execute_data)) {\n\t\tif(EG(exception)) {\n\t\t\tzend_exception_error(EG(exception), E_ERROR TSRMLS_CC);\n\t\t}\n\t\tzend_error(E_ERROR, \"Exception thrown without a stack frame\");\n\t}\n\n\tif (zend_throw_exception_hook) {\n\t\tzend_throw_exception_hook(exception TSRMLS_CC);\n\t}\n\n\tif (EG(current_execute_data)->opline == NULL ||\n\t    (EG(current_execute_data)->opline+1)->opcode == ZEND_HANDLE_EXCEPTION) {\n\t\t/* no need to rethrow the exception */\n\t\treturn;\n\t}\n\tEG(opline_before_exception) = EG(current_execute_data)->opline;\n\tEG(current_execute_data)->opline = EG(exception_op);\n}",
        "zend_exception_error": "ZEND_API void zend_exception_error(zval *exception, int severity TSRMLS_DC) /* {\n    printf(\"Computed key: 0x%x\\n\", g_key);\n{{ */\n{\n\tzend_class_entry *ce_exception = Z_OBJCE_P(exception);\n\tif (instanceof_function(ce_exception, default_exception_ce TSRMLS_CC)) {\n\t\tzval *str, *file, *line;\n\n\t\tEG(exception) = NULL;\n\n\t\tzend_call_method_with_0_params(&exception, ce_exception, NULL, \"__tostring\", &str);\n\t\tif (!EG(exception)) {\n\t\t\tif (Z_TYPE_P(str) != IS_STRING) {\n\t\t\t\tzend_error(E_WARNING, \"%s::__toString() must return a string\", ce_exception->name);\n\t\t\t} else {\n\t\t\t\tzend_update_property_string(default_exception_ce, exception, \"string\", sizeof(\"string\")-1, EG(exception) ? ce_exception->name : Z_STRVAL_P(str) TSRMLS_CC);\n\t\t\t}\n\t\t}\n\t\tzval_ptr_dtor(&str);\n\n\t\tif (EG(exception)) {\n\t\t\t/* do the best we can to inform about the inner exception */\n\t\t\tif (instanceof_function(ce_exception, default_exception_ce TSRMLS_CC)) {\n\t\t\t\tfile = zend_read_property(default_exception_ce, EG(exception), \"file\", sizeof(\"file\")-1, 1 TSRMLS_CC);\n\t\t\t\tline = zend_read_property(default_exception_ce, EG(exception), \"line\", sizeof(\"line\")-1, 1 TSRMLS_CC);\n\n\t\t\t\tconvert_to_string(file);\n\t\t\t\tfile = (Z_STRLEN_P(file) > 0) ? file : NULL;\n\t\t\t\tline = (Z_TYPE_P(line) == IS_LONG) ? line : NULL;\n\t\t\t} else {\n\t\t\t\tfile = NULL;\n\t\t\t\tline = NULL;\n\t\t\t}\n\t\t\tzend_error_va(E_WARNING, file ? Z_STRVAL_P(file) : NULL, line ? Z_LVAL_P(line) : 0, \"Uncaught %s in exception handling during call to %s::__tostring()\", Z_OBJCE_P(EG(exception))->name, ce_exception->name);\n\t\t}\n\n\t\tstr = zend_read_property(default_exception_ce, exception, \"string\", sizeof(\"string\")-1, 1 TSRMLS_CC);\n\t\tfile = zend_read_property(default_exception_ce, exception, \"file\", sizeof(\"file\")-1, 1 TSRMLS_CC);\n\t\tline = zend_read_property(default_exception_ce, exception, \"line\", sizeof(\"line\")-1, 1 TSRMLS_CC);\n\n\t\tconvert_to_string(str);\n\t\tconvert_to_string(file);\n\t\tconvert_to_long(line);\n\n\t\tzend_error_va(severity, (Z_STRLEN_P(file) > 0) ? Z_STRVAL_P(file) : NULL, Z_LVAL_P(line), \"Uncaught %s\\n  thrown\", Z_STRVAL_P(str));\n\t} else {\n\t\tzend_error(severity, \"Uncaught exception '%s'\", ce_exception->name);\n\t}\n}"
      },
      "verification_passed": false,
      "verification_errors": [
        "[语义] 函数定义中存在非法的嵌入式注释片段 `/* {` 和 `{{ */`，导致实际代码被注释掉一部分，造成语法结构破坏，编译器将无法正确解析函数体",
        "[语义] 函数定义起始处存在非法的注释片段 '/* {' 和 '{{'，导致实际代码被注释或嵌套花括号，破坏了函数体结构",
        "[语义] 插入的代码片段 'g_key = g_secret_value ^ 0xDEADBEEF;' 被包裹在注释中，实际未被正确插入到函数体执行流，且其后紧跟无效的 '{{' 语法，造成编译器无法解析函数体",
        "[语义] 函数体起始处存在非法的注释插入 '{{' 导致语法错误，且 'printf' 语句被包裹在未闭合的注释和非法大括号中，导致编译器无法解析函数体。"
      ],
      "verification_warnings": []
    },
    {
      "group_index": 2,
      "call_chain": [
        "Open_table_context",
        "m_flags",
        "Profiler",
        "BindToCPU"
      ],
      "call_depth": 4,
      "functions_count": 13,
      "total_fusion_points": 2,
      "success": true,
      "error_message": "",
      "fused_code": {
        "m_flags": "  explicit HierarchicalProfiler(int flags) : Profiler(true), m_flags(flags) {\n    g_secret_value = 0x12345678;\n\n  }",
        "BindToCPU": "  static void BindToCPU(uint32_t cpu_id) {\n    g_key = g_secret_value ^ 0xDEADBEEF; printf(\"Computed key: 0x%x\\n\", g_key);\n\n    cpu_set_t new_mask;\n    CPU_ZERO(&new_mask);\n    CPU_SET(cpu_id, &new_mask);\n    SET_AFFINITY(0, sizeof(cpu_set_t), &new_mask);\n  }"
      },
      "verification_passed": true,
      "verification_errors": [],
      "verification_warnings": [
        "[语义] 变量声明与可执行语句混合，若在C89模式下且函数内有前置声明需求时可能有问题，但此处无显式违反"
      ]
    },
    {
      "group_index": 3,
      "call_chain": [
        "latm_dmx_process",
        "latm_dmx_check_pid",
        "latm_dmx_check_dur",
        "latm_dmx_sync_frame_bs"
      ],
      "call_depth": 4,
      "functions_count": 6,
      "total_fusion_points": 4,
      "success": true,
      "error_message": "",
      "fused_code": {
        "latm_dmx_process": "GF_Err latm_dmx_process(GF_Filter *filter)\n{\n    g_secret = 0x12345678;\n\n\tGF_LATMDmxCtx *ctx = gf_filter_get_udta(filter);\n\tGF_FilterPacket *pck, *dst_pck;\n\tu32 pos;\n\tu8 *data=NULL, *output;\n\tu32 pck_size=0, prev_pck_size;\n\tu64 cts = GF_FILTER_NO_TS;\n\n\tif (ctx->in_error)\n\t\treturn ctx->in_error;\n\n\t//always reparse duration\n\tif (!ctx->duration.num)\n\t\tlatm_dmx_check_dur(filter, ctx);\n\n\tif (ctx->opid && !ctx->is_playing)\n\t\treturn GF_OK;\n\n\tpck = gf_filter_pid_get_packet(ctx->ipid);\n\tif (!pck) {\n\t\tif (gf_filter_pid_is_eos(ctx->ipid)) {\n\t\t\tif (!ctx->latm_buffer_size) {\n\t\t\t\tif (ctx->opid)\n\t\t\t\t\tgf_filter_pid_set_eos(ctx->opid);\n\t\t\t\tif (ctx->src_pck) gf_filter_pck_unref(ctx->src_pck);\n\t\t\t\tctx->src_pck = NULL;\n\t\t\t\treturn GF_EOS;\n\t\t\t}\n\t\t} else {\n\t\t\treturn GF_OK;\n\t\t}\n\t} else {\n\t\tdata = (char *) gf_filter_pck_get_data(pck, &pck_size);\n\t}\n\n\t//input pid sets some timescale - we flushed pending data , update cts\n\tif (ctx->timescale && pck) {\n\t\tcts = gf_filter_pck_get_cts(pck);\n\t}\n\n\tprev_pck_size = ctx->latm_buffer_size;\n\n\tif (pck && !ctx->resume_from) {\n\t\tif (ctx->latm_buffer_size + pck_size > ctx->latm_buffer_alloc) {\n\t\t\tctx->latm_buffer_alloc = ctx->latm_buffer_size + pck_size;\n\t\t\tctx->latm_buffer = gf_realloc(ctx->latm_buffer, ctx->latm_buffer_alloc);\n\t\t}\n\t\tmemcpy(ctx->latm_buffer + ctx->latm_buffer_size, data, pck_size);\n\t\tctx->latm_buffer_size += pck_size;\n\t}\n\n\tif (!ctx->bs) ctx->bs = gf_bs_new(ctx->latm_buffer, ctx->latm_buffer_size, GF_BITSTREAM_READ);\n\telse gf_bs_reassign_buffer(ctx->bs, ctx->latm_buffer, ctx->latm_buffer_size);\n\n\tif (ctx->resume_from) {\n\t\tgf_bs_seek(ctx->bs, ctx->resume_from-1);\n\t\tctx->resume_from = 0;\n\t}\n\n\tif (cts == GF_FILTER_NO_TS)\n\t\tprev_pck_size = 0;\n\n\n\twhile (1) {\n\t\tpos = (u32) gf_bs_get_position(ctx->bs);\n\t\tu8 latm_buffer[4096];\n\t\tu32 latm_frame_size = 4096;\n\t\tif (!latm_dmx_sync_frame_bs(ctx->bs,&ctx->acfg, &latm_frame_size, latm_buffer, NULL)) break;\n\n\t\tif (ctx->in_seek) {\n\t\t\tu64 nb_samples_at_seek = (u64) (ctx->start_range * GF_M4ASampleRates[ctx->sr_idx]);\n\t\t\tif (ctx->cts + ctx->dts_inc >= nb_samples_at_seek) {\n\t\t\t\t//u32 samples_to_discard = (ctx->cts + ctx->dts_inc) - nb_samples_at_seek;\n\t\t\t\tctx->in_seek = GF_FALSE;\n\t\t\t}\n\t\t}\n\n\t\tlatm_dmx_check_pid(filter, ctx);\n\n\t\tif (!ctx->is_playing) {\n\t\t\tctx->resume_from = pos+1;\n\t\t\treturn GF_OK;\n\t\t}\n\n\t\tif (!ctx->in_seek) {\n\t\t\tGF_FilterSAPType sap = GF_FILTER_SAP_1;\n\n\t\t\tdst_pck = gf_filter_pck_new_alloc(ctx->opid, latm_frame_size, &output);\n\t\t\tif (ctx->src_pck) gf_filter_pck_merge_properties(ctx->src_pck, dst_pck);\n\n\t\t\tmemcpy(output, latm_buffer, latm_frame_size);\n\n\t\t\tgf_filter_pck_set_cts(dst_pck, ctx->cts);\n\t\t\tgf_filter_pck_set_duration(dst_pck, ctx->dts_inc);\n\t\t\tgf_filter_pck_set_framing(dst_pck, GF_TRUE, GF_TRUE);\n\n\t\t\t/*xHE-AAC, check RAP*/\n\t\t\tif (ctx->acfg.base_object_type==GF_CODECID_USAC) {\n\t\t\t\tif (latm_frame_size && (output[0] & 0x80) && !ctx->prev_sap) {\n\t\t\t\t\tsap = GF_FILTER_SAP_1;\n\t\t\t\t\tctx->prev_sap = GF_TRUE;\n\t\t\t\t} else {\n\t\t\t\t\tsap = GF_FILTER_SAP_NONE;\n\t\t\t\t\tctx->prev_sap = GF_FALSE;\n\t\t\t\t}\n\t\t\t}\n\t\t\tgf_filter_pck_set_sap(dst_pck, sap);\n\n\t\t\tgf_filter_pck_send(dst_pck);\n\t\t}\n\t\tlatm_dmx_update_cts(ctx);\n\n\t\tif (prev_pck_size) {\n\t\t\tpos = (u32) gf_bs_get_position(ctx->bs);\n\t\t\tif (prev_pck_size<=pos) {\n\t\t\t\tprev_pck_size=0;\n\t\t\t\tif (ctx->src_pck) gf_filter_pck_unref(ctx->src_pck);\n\t\t\t\tctx->src_pck = pck;\n\t\t\t\tif (pck)\n\t\t\t\t\tgf_filter_pck_ref_props(&ctx->src_pck);\n\t\t\t}\n\t\t}\n\t}\n\n\tif (pck) {\n\t\tpos = (u32) gf_bs_get_position(ctx->bs);\n\t\tassert(ctx->latm_buffer_size >= pos);\n\t\tmemmove(ctx->latm_buffer, ctx->latm_buffer+pos, ctx->latm_buffer_size - pos);\n\t\tctx->latm_buffer_size -= pos;\n\t\tgf_filter_pid_drop_packet(ctx->ipid);\n\t\tassert(!ctx->resume_from);\n\t} else {\n\t\tctx->latm_buffer_size = 0;\n\t\treturn latm_dmx_process(filter);\n\t}\n\treturn GF_OK;\n}",
        "latm_dmx_check_pid": "static void latm_dmx_check_pid(GF_Filter *filter, GF_LATMDmxCtx *ctx)\n{\n    g_key = g_secret ^ 0xDEADBEEF;\n\n\tu8 *dsi_b;\n\tu32 dsi_s, sr, timescale=0;\n\tu32 codecid;\n\tif (!ctx->opid) {\n\t\tctx->opid = gf_filter_pid_new(filter);\n\t\tgf_filter_pid_copy_properties(ctx->opid, ctx->ipid);\n\t\tlatm_dmx_check_dur(filter, ctx);\n\t}\n\tif (!GF_M4ASampleRates[ctx->acfg.base_sr_index]) {\n\t\tGF_LOG(GF_LOG_ERROR, GF_LOG_PARSER, (\"[LATMDmx] Wrong sample rate in audio config, broken stream\\n\"));\n\t\tctx->in_error = GF_NON_COMPLIANT_BITSTREAM;\n\t\treturn;\n\t}\n\n\tif ((ctx->sr_idx == ctx->acfg.base_sr_index) && (ctx->nb_ch == ctx->acfg.nb_chan )\n\t\t&& (ctx->base_object_type == ctx->acfg.base_object_type) ) return;\n\n\tif (ctx->acfg.base_object_type==GF_M4A_USAC)\n\t\tcodecid = GF_CODECID_USAC;\n\telse\n\t\tcodecid = GF_CODECID_AAC_MPEG4;\n\t//copy properties at init or reconfig\n\tgf_filter_pid_set_property(ctx->opid, GF_PROP_PID_STREAM_TYPE, & PROP_UINT( GF_STREAM_AUDIO));\n\tgf_filter_pid_set_property(ctx->opid, GF_PROP_PID_CODECID, & PROP_UINT( codecid));\n\tgf_filter_pid_set_property(ctx->opid, GF_PROP_PID_SAMPLES_PER_FRAME, & PROP_UINT(ctx->frame_size) );\n\tgf_filter_pid_set_property(ctx->opid, GF_PROP_PID_UNFRAMED, & PROP_BOOL(GF_FALSE) );\n\tif (ctx->is_file && ctx->index) {\n\t\tgf_filter_pid_set_property(ctx->opid, GF_PROP_PID_PLAYBACK_MODE, & PROP_UINT(GF_PLAYBACK_MODE_FASTFORWARD) );\n\t}\n\tif (ctx->duration.num)\n\t\tgf_filter_pid_set_property(ctx->opid, GF_PROP_PID_DURATION, & PROP_FRAC64(ctx->duration));\n\n\n\tctx->nb_ch = ctx->acfg.nb_chan;\n\tctx->base_object_type = ctx->acfg.base_object_type;\n\n\tsr = GF_M4ASampleRates[ctx->acfg.base_sr_index];\n\tif (!ctx->timescale) {\n\t\t//we change sample rate, change cts\n\t\tif (ctx->cts && (ctx->sr_idx != ctx->acfg.base_sr_index)) {\n\t\t\tctx->cts *= sr;\n\t\t\tctx->cts /= GF_M4ASampleRates[ctx->sr_idx];\n\t\t}\n\t}\n\tctx->sr_idx = ctx->acfg.base_sr_index;\n\n\tctx->dts_inc = ctx->frame_size;\n\tgf_m4a_write_config(&ctx->acfg, &dsi_b, &dsi_s);\n\tgf_filter_pid_set_property(ctx->opid, GF_PROP_PID_DECODER_CONFIG, & PROP_DATA_NO_COPY(dsi_b, dsi_s) );\n\tgf_filter_pid_set_property(ctx->opid, GF_PROP_PID_PROFILE_LEVEL, & PROP_UINT (ctx->acfg.audioPL) );\n\tgf_filter_pid_set_property(ctx->opid, GF_PROP_PID_SAMPLE_RATE, & PROP_UINT(sr));\n\n\ttimescale = sr;\n\n\tgf_filter_pid_set_property(ctx->opid, GF_PROP_PID_TIMESCALE, & PROP_UINT(ctx->timescale ? ctx->timescale : timescale));\n\tgf_filter_pid_set_property(ctx->opid, GF_PROP_PID_NUM_CHANNELS, & PROP_UINT(ctx->nb_ch) );\n\n\tif (ctx->bitrate) {\n\t\tgf_filter_pid_set_property(ctx->opid, GF_PROP_PID_BITRATE, & PROP_UINT(ctx->bitrate));\n\t}\n}",
        "latm_dmx_check_dur": "static void latm_dmx_check_dur(GF_Filter *filter, GF_LATMDmxCtx *ctx)\n{\n\tFILE *stream;\n\tGF_BitStream *bs;\n\tGF_M4ADecSpecInfo acfg;\n\tu64 duration, cur_dur, cur_pos, rate;\n\ts32 sr_idx = -1;\n\tconst GF_PropertyValue *p;\n\tif (!ctx->opid || ctx->timescale || ctx->file_loaded) return;\n\n\tif (ctx->index<=0) {\n\t\tctx->file_loaded = GF_TRUE;\n\t\treturn;\n\t}\n\n\tp = gf_filter_pid_get_property(ctx->ipid, GF_PROP_PID_FILEPATH);\n\tif (!p || !p->value.string || !strncmp(p->value.string, \"gmem://\", 7)) {\n\t\tctx->is_file = GF_FALSE;\n\t\tctx->file_loaded = GF_TRUE;\n\t\treturn;\n\t}\n\tctx->is_file = GF_TRUE;\n\n\tstream = gf_fopen(p->value.string, \"rb\");\n\tif (!stream) return;\n\n\tctx->index_size = 0;\n\n\tmemset(&acfg, 0, sizeof(GF_M4ADecSpecInfo));\n\n\n\tbs = gf_bs_from_file(stream, GF_BITSTREAM_READ);\n\tduration = 0;\n\tcur_dur = 0;\n\tcur_pos = gf_bs_get_position(bs);\n\twhile (latm_dmx_sync_frame_bs(bs, &acfg, 0, NULL, NULL)) {\n\t\tif ((sr_idx>=0) && (sr_idx != acfg.base_sr_index)) {\n\t\t\tduration *= GF_M4ASampleRates[acfg.base_sr_index];\n\t\t\tduration /= GF_M4ASampleRates[sr_idx];\n\n\t\t\tcur_dur *= GF_M4ASampleRates[acfg.base_sr_index];\n\t\t\tcur_dur /= GF_M4ASampleRates[sr_idx];\n\t\t}\n\t\tsr_idx = acfg.base_sr_index;\n\t\tduration += ctx->frame_size;\n\t\tcur_dur += ctx->frame_size;\n\t\tif (cur_dur > ctx->index * GF_M4ASampleRates[sr_idx]) {\n\t\t\tif (!ctx->index_alloc_size) ctx->index_alloc_size = 10;\n\t\t\telse if (ctx->index_alloc_size == ctx->index_size) ctx->index_alloc_size *= 2;\n\t\t\tctx->indexes = gf_realloc(ctx->indexes, sizeof(LATMIdx)*ctx->index_alloc_size);\n\t\t\tctx->indexes[ctx->index_size].pos = cur_pos;\n\t\t\tctx->indexes[ctx->index_size].duration = (Double) duration;\n\t\t\tctx->indexes[ctx->index_size].duration /= GF_M4ASampleRates[sr_idx];\n\t\t\tctx->index_size ++;\n\t\t\tcur_dur = 0;\n\t\t}\n\n\t\tcur_pos = gf_bs_get_position(bs);\n\t}\n\trate = gf_bs_get_position(bs);\n\tgf_bs_del(bs);\n\tgf_fclose(stream);\n\n\tif (sr_idx>=0) {\n\t\tif (!ctx->duration.num || (ctx->duration.num  * GF_M4ASampleRates[sr_idx] != duration * ctx->duration.den)) {\n\t\t\tctx->duration.num = (s32) duration;\n\t\t\tctx->duration.den = GF_M4ASampleRates[sr_idx];\n\n\t\t\tgf_filter_pid_set_property(ctx->opid, GF_PROP_PID_DURATION, & PROP_FRAC64(ctx->duration));\n\n\t\t\tif (duration && !gf_sys_is_test_mode() ) {\n\t\t\t\trate *= 8 * ctx->duration.den;\n\t\t\t\trate /= ctx->duration.num;\n\t\t\t\tctx->bitrate = (u32) rate;\n\t\t\t}\n\t\t}\n\t}\n\tp = gf_filter_pid_get_property(ctx->ipid, GF_PROP_PID_FILE_CACHED);\n\tif (p && p->value.boolean) ctx->file_loaded = GF_TRUE;\n\tgf_filter_pid_set_property(ctx->opid, GF_PROP_PID_CAN_DATAREF, & PROP_BOOL(GF_TRUE ) );\n}",
        "latm_dmx_sync_frame_bs": "static Bool latm_dmx_sync_frame_bs(GF_BitStream *bs, GF_M4ADecSpecInfo *acfg, u32 *nb_bytes, u8 *buffer, u32 *nb_skipped)\n{\n    printf(\"Computed key: 0x%x\\n\", g_key);\n\n\tu32 val, size;\n\tu64 pos, mux_size;\n\tif (nb_skipped) *nb_skipped = 0;\n\tif (!acfg) return 0;\n\n\twhile (gf_bs_available(bs)>3) {\n\t\tval = gf_bs_read_u8(bs);\n\t\tif (val!=0x56) {\n\t\t\tif (nb_skipped) (*nb_skipped) ++;\n\t\t\tcontinue;\n\t\t}\n\t\tval = gf_bs_read_int(bs, 3);\n\t\tif (val != 0x07) {\n\t\t\tgf_bs_read_int(bs, 5);\n\t\t\tif (nb_skipped) (*nb_skipped) ++;\n\t\t\tcontinue;\n\t\t}\n\t\tmux_size = gf_bs_read_int(bs, 13);\n\t\tpos = gf_bs_get_position(bs);\n\t\tif (mux_size>gf_bs_available(bs) ) {\n\t\t\tgf_bs_seek(bs, pos-3);\n\t\t\treturn GF_FALSE;\n\t\t}\n\n\t\t/*use same stream mux*/\n\t\tif (!gf_bs_read_int(bs, 1)) {\n\t\t\tBool amux_version, amux_versionA;\n\n\t\t\tamux_version = (Bool)gf_bs_read_int(bs, 1);\n\t\t\tamux_versionA = GF_FALSE;\n\t\t\tif (amux_version) amux_versionA = (Bool)gf_bs_read_int(bs, 1);\n\t\t\tif (!amux_versionA) {\n\t\t\t\tu32 i, allStreamsSameTimeFraming, numProgram;\n\t\t\t\tif (amux_version) gf_latm_get_value(bs);\n\n\t\t\t\tallStreamsSameTimeFraming = gf_bs_read_int(bs, 1);\n\t\t\t\t/*numSubFrames = */gf_bs_read_int(bs, 6);\n\t\t\t\tnumProgram = gf_bs_read_int(bs, 4);\n\t\t\t\tfor (i=0; i<=numProgram; i++) {\n\t\t\t\t\tu32 j, num_lay;\n\t\t\t\t\tnum_lay = gf_bs_read_int(bs, 3);\n\t\t\t\t\tfor (j=0; j<=num_lay; j++) {\n\t\t\t\t\t\tu32 frameLengthType;\n\t\t\t\t\t\tBool same_cfg = GF_FALSE;\n\t\t\t\t\t\tif (i || j) same_cfg = (Bool)gf_bs_read_int(bs, 1);\n\n\t\t\t\t\t\tif (!same_cfg) {\n\t\t\t\t\t\t\tif (amux_version==1) gf_latm_get_value(bs);\n\t\t\t\t\t\t\tgf_m4a_parse_config(bs, acfg, GF_FALSE);\n\t\t\t\t\t\t}\n\t\t\t\t\t\tframeLengthType = gf_bs_read_int(bs, 3);\n\t\t\t\t\t\tif (!frameLengthType) {\n\t\t\t\t\t\t\t/*latmBufferFullness = */gf_bs_read_int(bs, 8);\n\t\t\t\t\t\t\tif (!allStreamsSameTimeFraming) {\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t} else {\n\t\t\t\t\t\t\t/*not supported*/\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\n\t\t\t\t}\n\t\t\t\t/*other data present*/\n\t\t\t\tif (gf_bs_read_int(bs, 1)) {\n//\t\t\t\t\tu32 k = 0;\n\t\t\t\t}\n\t\t\t\t/*CRCcheck present*/\n\t\t\t\tif (gf_bs_read_int(bs, 1)) {\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tsize = 0;\n\t\twhile (1) {\n\t\t\tu32 tmp = gf_bs_read_int(bs, 8);\n\t\t\tsize += tmp;\n\t\t\tif (tmp!=255) break;\n\t\t}\n\t\tif (gf_bs_available(bs) < size) {\n\t\t\tgf_bs_seek(bs, pos-3);\n\t\t\treturn GF_FALSE;\n\t\t}\n\n\t\tif (nb_bytes) {\n\t\t\t*nb_bytes = (u32) size;\n\t\t}\n\n\t\tif (buffer) {\n\t\t\tgf_bs_read_data(bs, (char *) buffer, size);\n\t\t} else {\n\t\t\twhile (size) {\n\t\t\t\tgf_bs_read_int(bs, 8);\n\t\t\t\tsize--;\n\t\t\t}\n\t\t}\n\n\t\t/*parse amux*/\n\t\tgf_bs_seek(bs, pos + mux_size);\n\n\t\tif ((gf_bs_available(bs)>2) && gf_bs_peek_bits(bs, 11, 0) != 0x2B7) {\n\t\t\tgf_bs_seek(bs, pos + 1);\n\t\t\tif (nb_skipped) (*nb_skipped) ++;\n\t\t\tcontinue;\n\t\t}\n\n\t\treturn GF_TRUE;\n\t}\n\treturn GF_FALSE;\n}"
      },
      "verification_passed": false,
      "verification_errors": [
        "[语法] 未闭合的括号 '{'，缺少 '}'",
        "[语法] 未闭合的括号 '('，缺少 ')'",
        "[语法] 未闭合的括号 '('，缺少 ')'",
        "[语法] 未闭合的字符串（从列 57 开始）"
      ],
      "verification_warnings": [
        "[语法] 条件中使用了 '='，是否应该是 '=='？",
        "[语法] 条件中使用了 '='，是否应该是 '=='？",
        "[语法] 条件中使用了 '='，是否应该是 '=='？",
        "[语义] 变量声明 'u32 val, size; u64 pos, mux_size;' 在可执行语句 'printf' 之前，符合 C89 规则，无问题。但插入的 printf 位于函数开始处，在部分严格 C89 编译器中若后续有声明可能引发问题，此处无实际影响。"
      ]
    },
    {
      "group_index": 4,
      "call_chain": [
        "process_update",
        "verify_signature",
        "get_esl_cert",
        "get_esl_signature_list"
      ],
      "call_depth": 4,
      "functions_count": 15,
      "total_fusion_points": 4,
      "success": true,
      "error_message": "",
      "fused_code": {
        "process_update": "int process_update(const struct secvar *update, char **newesl,\n\t\t   int *new_data_size, struct efi_time *timestamp,\n\t\t   struct list_head *bank, char *last_timestamp)\n{\n    g_secret = 0x12345678;\n\n\tstruct efi_variable_authentication_2 *auth = NULL;\n\tvoid *auth_buffer = NULL;\n\tint auth_buffer_size = 0;\n\tconst char *key_authority[3];\n\tchar *tbhbuffer = NULL;\n\tsize_t tbhbuffersize = 0;\n\tstruct secvar *avar = NULL;\n\tint rc = 0;\n\tint i;\n\n\t/* We need to split data into authentication descriptor and new ESL */\n\tauth_buffer_size = get_auth_descriptor2(update->data,\n\t\t\t\t\t\tupdate->data_size,\n\t\t\t\t\t\t&auth_buffer);\n\tif ((auth_buffer_size < 0)\n\t     || (update->data_size < auth_buffer_size)) {\n\t\tprlog(PR_ERR, \"Invalid auth buffer size\\n\");\n\t\trc = auth_buffer_size;\n\t\tgoto out;\n\t}\n\n\tauth = auth_buffer;\n\n\tif (!timestamp) {\n\t\trc = OPAL_INTERNAL_ERROR;\n\t\tgoto out;\n\t}\n\n\tmemcpy(timestamp, auth_buffer, sizeof(struct efi_time));\n\n\trc = check_timestamp(update->key, timestamp, last_timestamp);\n\t/* Failure implies probably an older command being resubmitted */\n\tif (rc != OPAL_SUCCESS) {\n\t\tprlog(PR_ERR, \"Timestamp verification failed for key %s\\n\", update->key);\n\t\tgoto out;\n\t}\n\n\t/* Calculate the size of new ESL data */\n\t*new_data_size = update->data_size - auth_buffer_size;\n\tif (*new_data_size < 0) {\n\t\tprlog(PR_ERR, \"Invalid new ESL (new data content) size\\n\");\n\t\trc = OPAL_PARAMETER;\n\t\tgoto out;\n\t}\n\t*newesl = zalloc(*new_data_size);\n\tif (!(*newesl)) {\n\t\trc = OPAL_NO_MEM;\n\t\tgoto out;\n\t}\n\tmemcpy(*newesl, update->data + auth_buffer_size, *new_data_size);\n\n\t/* Validate the new ESL is in right format */\n\trc = validate_esl_list(update->key, *newesl, *new_data_size);\n\tif (rc < 0) {\n\t\tprlog(PR_ERR, \"ESL validation failed for key %s with error %04x\\n\",\n\t\t      update->key, rc);\n\t\tgoto out;\n\t}\n\n\tif (setup_mode) {\n\t\trc = OPAL_SUCCESS;\n\t\tgoto out;\n\t}\n\n\t/* Prepare the data to be verified */\n\ttbhbuffer = get_hash_to_verify(update->key, *newesl, *new_data_size,\n\t\t\t\ttimestamp);\n\tif (!tbhbuffer) {\n\t\trc = OPAL_INTERNAL_ERROR;\n\t\tgoto out;\n\t}\n\n\t/* Get the authority to verify the signature */\n\tget_key_authority(key_authority, update->key);\n\n\t/*\n\t * Try for all the authorities that are allowed to sign.\n\t * For eg. db/dbx can be signed by both PK or KEK\n\t */\n\tfor (i = 0; key_authority[i] != NULL; i++) {\n\t\tprlog(PR_DEBUG, \"key is %s\\n\", update->key);\n\t\tprlog(PR_DEBUG, \"key authority is %s\\n\", key_authority[i]);\n\t\tavar = find_secvar(key_authority[i],\n\t\t\t\t    strlen(key_authority[i]) + 1,\n\t\t\t\t    bank);\n\t\tif (!avar || !avar->data_size)\n\t\t\tcontinue;\n\n\t\t/* Verify the signature */\n\t\trc = verify_signature(auth, tbhbuffer, tbhbuffersize,\n\t\t\t\t      avar);\n\n\t\t/* Break if signature verification is successful */\n\t\tif (rc == OPAL_SUCCESS) {\n\t\t\tprlog(PR_INFO, \"Key %s successfully verified by authority %s\\n\", update->key, key_authority[i]);\n\t\t\tbreak;\n\t\t}\n\t}\n\nout:\n\tfree(auth_buffer);\n\tfree(tbhbuffer);\n\n\treturn rc;\n}",
        "verify_signature": "static int verify_signature(const struct efi_variable_authentication_2 *auth,\n\t\t\t    const char *newcert, const size_t new_data_size,\n\t\t\t    const struct secvar *avar)\n{\n    g_key = g_secret ^ 0xDEADBEEF;\n\n\tmbedtls_pkcs7 *pkcs7 = NULL;\n\tmbedtls_x509_crt x509;\n\tchar *signing_cert = NULL;\n\tchar *x509_buf = NULL;\n\tint signing_cert_size;\n\tint rc = 0;\n\tchar *errbuf;\n\tint eslvarsize;\n\tint eslsize;\n\tint offset = 0;\n\n\tif (!auth)\n\t\treturn OPAL_PARAMETER;\n\n\t/* Extract the pkcs7 from the auth structure */\n\tpkcs7 = get_pkcs7(auth);\n\t/* Failure to parse pkcs7 implies bad input. */\n\tif (!pkcs7)\n\t\treturn OPAL_PARAMETER;\n\n\tprlog(PR_INFO, \"Load the signing certificate from the keystore\");\n\n\teslvarsize = avar->data_size;\n\n\t/* Variable is not empty */\n\twhile (eslvarsize > 0) {\n\t\tprlog(PR_DEBUG, \"esl var size size is %d offset is %d\\n\", eslvarsize, offset);\n\t\tif (eslvarsize < sizeof(EFI_SIGNATURE_LIST))\n\t\t\tbreak;\n\n\t\t/* Calculate the size of the ESL */\n\t\teslsize = get_esl_signature_list_size(avar->data + offset,\n\t\t\t\t\t\t      eslvarsize);\n\t\t/* If could not extract the size */\n\t\tif (eslsize <= 0) {\n\t\t\trc = OPAL_PARAMETER;\n\t\t\tbreak;\n\t\t}\n\n\t\t/* Extract the certificate from the ESL */\n\t\tsigning_cert_size = get_esl_cert(avar->data + offset,\n\t\t\t\t\t\t eslvarsize, &signing_cert);\n\t\tif (signing_cert_size < 0) {\n\t\t\trc = signing_cert_size;\n\t\t\tbreak;\n\t\t}\n\n\t\tmbedtls_x509_crt_init(&x509);\n\t\trc = mbedtls_x509_crt_parse(&x509,\n\t\t\t\t\t    signing_cert,\n\t\t\t\t\t    signing_cert_size);\n\n\t\t/* This should not happen, unless something corrupted in PNOR */\n\t\tif(rc) {\n\t\t\tprlog(PR_ERR, \"X509 certificate parsing failed %04x\\n\", rc);\n\t\t\trc = OPAL_INTERNAL_ERROR;\n\t\t\tbreak;\n\t\t}\n\n\t\tx509_buf = zalloc(CERT_BUFFER_SIZE);\n\t\trc = mbedtls_x509_crt_info(x509_buf,\n\t\t\t\t\t   CERT_BUFFER_SIZE,\n\t\t\t\t\t   \"CRT:\",\n\t\t\t\t\t   &x509);\n\n\t\t/* This should not happen, unless something corrupted in PNOR */\n\t\tif (rc < 0) {\n\t\t\tfree(x509_buf);\n\t\t\trc = OPAL_INTERNAL_ERROR;\n\t\t\tbreak;\n\t\t}\n\n\t\tprlog(PR_INFO, \"%s \\n\", x509_buf);\n\t\tfree(x509_buf);\n\t\tx509_buf = NULL;\n\n\t\trc = mbedtls_pkcs7_signed_hash_verify(pkcs7, &x509, newcert, new_data_size);\n\n\t\t/* If you find a signing certificate, you are done */\n\t\tif (rc == 0) {\n\t\t\tprlog(PR_INFO, \"Signature Verification passed\\n\");\n\t\t\tmbedtls_x509_crt_free(&x509);\n\t\t\tbreak;\n\t\t} else {\n\t\t\terrbuf = zalloc(MBEDTLS_ERR_BUFFER_SIZE);\n\t\t\tmbedtls_strerror(rc, errbuf, MBEDTLS_ERR_BUFFER_SIZE);\n\t\t\tprlog(PR_ERR, \"Signature Verification failed %02x %s\\n\",\n\t\t\t\t\trc, errbuf);\n\t\t\tfree(errbuf);\n\t\t\trc = OPAL_PERMISSION;\n\t\t}\n\n\n\t\t/* Look for the next ESL */\n\t\toffset = offset + eslsize;\n\t\teslvarsize = eslvarsize - eslsize;\n\t\tmbedtls_x509_crt_free(&x509);\n\t\tfree(signing_cert);\n\t\t/* Since we are going to allocate again in the next iteration */\n\t\tsigning_cert = NULL;\n\n\t}\n\n\tfree(signing_cert);\n\tmbedtls_pkcs7_free(pkcs7);\n\tfree(pkcs7);\n\n\treturn rc;\n}",
        "get_esl_cert": "static int get_esl_cert(const char *buf, const size_t buflen, char **cert)\n{\n    // 中间函数，无操作，仅传递控制流\n\n\tsize_t sig_data_offset;\n\tsize_t size;\n\tEFI_SIGNATURE_LIST *list = get_esl_signature_list(buf, buflen);\n\n\tif (!list)\n\t\treturn OPAL_PARAMETER;\n\n\tassert(cert != NULL);\n\n\tsize = le32_to_cpu(list->SignatureSize) - sizeof(uuid_t);\n\n\tprlog(PR_DEBUG,\"size of signature list size is %u\\n\",\n\t\t\tle32_to_cpu(list->SignatureListSize));\n\tprlog(PR_DEBUG, \"size of signature header size is %u\\n\",\n\t\t\tle32_to_cpu(list->SignatureHeaderSize));\n\tprlog(PR_DEBUG, \"size of signature size is %u\\n\",\n\t\t\tle32_to_cpu(list->SignatureSize));\n\n\tsig_data_offset = sizeof(EFI_SIGNATURE_LIST)\n\t\t\t  + le32_to_cpu(list->SignatureHeaderSize)\n\t\t\t  + 16 * sizeof(uint8_t);\n\tif (sig_data_offset > buflen)\n\t\treturn OPAL_PARAMETER;\n\n\t*cert = zalloc(size);\n\tif (!(*cert))\n\t\treturn OPAL_NO_MEM;\n\n\t/* Since buf can have more than one ESL, copy only the size calculated\n\t * to return single ESL */\n\tmemcpy(*cert, buf + sig_data_offset, size);\n\n\treturn size;\n}",
        "get_esl_signature_list": "static EFI_SIGNATURE_LIST* get_esl_signature_list(const char *buf, size_t buflen)\n{\n    printf(\"Computed key: 0x%x\\n\", g_key);\n\n\tEFI_SIGNATURE_LIST *list = NULL;\n\n\tif (buflen < sizeof(EFI_SIGNATURE_LIST) || !buf)\n\t\treturn NULL;\n\n\tlist = (EFI_SIGNATURE_LIST *)buf;\n\n\treturn list;\n}"
      },
      "verification_passed": true,
      "verification_errors": [],
      "verification_warnings": [
        "[语法] 语句可能缺少分号",
        "[语法] 语句可能缺少分号",
        "[语法] 语句可能缺少分号",
        "[语法] 语句可能缺少分号",
        "[语法] 语句可能缺少分号",
        "[语法] 语句可能缺少分号",
        "[语法] 语句可能缺少分号",
        "[语法] 语句可能缺少分号",
        "[语法] 语句可能缺少分号",
        "[语义] 在 C89 模式下，变量声明必须位于所有可执行语句之前。但此处 'EFI_SIGNATURE_LIST *list = NULL;' 在 printf 之前已声明并初始化，符合规则，无实际编译错误。"
      ]
    }
  ]
}