Auslesen von Prozessinfos

python/show-proc-data.py

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+#!/usr/bin/env python
+
+import os
+import sys
+import struct
+
+def read_proc_data(pid):
+    '''Liest Daten einer Prozess-ID aus /proc aus und zeigt diese an'''
+
+    proc_dir = '/proc/{0}'.format(pid)
+    
+    if not os.path.exists(proc_dir):
+        return "Prozess mit PID {0} existiert nicht.".format(pid)
+    
+    # Lese die Daten aus dem /proc-Verzeichnis
+    for filename in os.listdir(proc_dir):
+        file_path = os.path.join(proc_dir, filename)
+        
+        # Ueberspringe Dateien, die keine Informationen enthalten
+        if filename in [".", "..", "task", "mem", "cwd", "exe", "pagemap"]:
+            continue
+        
+        try:
+            if filename in ("environ", "cmdline"):
+                with open(file_path, "rb") as file:
+                    environ_data = file.read()
+                    print("{0}:".format(filename))
+                    for line in environ_data.decode("utf-8", errors="replace").split("\x00"):
+                        if line:
+                            print(line)
+
+                    print()
+            elif filename == "auxv":
+                with open(file_path, "rb") as file:
+                    auxv_data = file.read()
+                    print("{0}:".format(filename))
+                    i = 0
+                    while i < len(auxv_data):
+                        entry_type, entry_value = struct.unpack("qq", auxv_data[i:i+16])
+                        print("Type: {0}, Value: {1}".format(entry_type, entry_value))
+                        i += 16
+                    print()
+            else:
+                with open(file_path, "r") as file:
+                    print("{0}:".format(filename))
+                    for line in file:
+                        line = line.rstrip("\n")
+                        if line:
+	                        print(line)
+                    print()
+
+        except (IOError, UnicodeDecodeError):
+            pass
+    
+    return None
+
+if __name__ == "__main__":
+    if len(sys.argv) != 2:
+        print("Bitte geben Sie die Prozess-ID (PID) als Argument an.")
+        sys.exit(1)
+    
+    try:
+        pid = int(sys.argv[1])
+    except ValueError:
+        print("Ungueltige Prozess-ID (PID).")
+        sys.exit(1)
+    
+    read_proc_data(pid)
+