Error values and Error functions

src/forensic/analyzers/CodeSysV3/app_parser.py

@@ -4,6 +4,8 @@
 import networkx as nx
 from pathlib import Path
 
+from networkx import add_path
+
 from forensic.analyzers.CodeSysV3.file_format import CodesysV3FileFormat
 from forensic.analyzers.CodeSysV3.memory_dynamic_format import CodesysV3MemoryDynamicFormat
 from forensic.analyzers.CodeSysV3.memory_format import CodesysV3MemoryFormat
@@ -39,22 +41,34 @@ def dump_all(output_dir, g_entry_point, symbols, all_code_blocks, taskinfos, pro
 
 
 def parse_app(app_fpath, output_dir):
-    with open(app_fpath, 'rb') as f:
+    try:
+        f = open(app_fpath, 'rb')
         file_data = f.read()
+        cff = CodesysV3FileFormat()
+        all_tags = cff.parse(file_data)
 
-    cff = CodesysV3FileFormat()
-    all_tags = cff.parse(file_data)
-
-    cmf = CodesysV3MemoryFormat(file_data, all_tags)
-    br_memory = BinaryReader(cmf.memory_file)
+        cmf = CodesysV3MemoryFormat(file_data, all_tags)
+        br_memory = BinaryReader(cmf.memory_file)
 
     # Check if we have memory symbols
-    if '@table_start' in cmf.imp_addr:
-        cmdf = CodesysV3MemoryDynamicFormat()
-        cmf.symbols.update(cmdf.parse(br_memory, cmf.imp_addr))
+        if '@table_start' in cmf.imp_addr:
+            cmdf = CodesysV3MemoryDynamicFormat()
+            cmf.symbols.update(cmdf.parse(br_memory, cmf.imp_addr))
 
         # Make sure the architecture is supported
         if cmdf.validate_supported_arch(br_memory, cmf.imp_addr):
             cmdf.simulate_to_find_taskinfos(cmf.memory_file, cmf.symbols, cmf.imp_addr, cmf.all_code_blocks)
 
         dump_all(output_dir, cmdf.g_entry_point, cmf.symbols, cmf.all_code_blocks, cmdf.taskinfos, cmf.project_info)
+
+    except FileNotFoundError:
+        print(f"Error: File {app_fpath} not found")
+    except PermissionError:
+        print(f"Error: Insufficient permission to read {app_fpath}.")
+    except Exception as e:
+        print(f"There is another Error here.")
+    finally:
+        f.close()
+
+
+

src/forensic/interfaces/analyzer.py

@@ -53,5 +53,10 @@ def from_json(json: Dict) -> AnalyzerConfig:
             name=json["name"],
             parameters=json["parameters"]
         )
+    def validate_config(self):
+        if not isinstance(self.name, str) or not self.name.strip:
+            raise ValueError("Analyzer name must not be a empty string.")
+        if not isinstance(self.parameters, dict):
+            raise ValueError("The Parameter must be a dictonary.")