Update the way machine codes are generated on Linux that does not require sudo

Author: artemlos

licensing/internal.py

@@ -58,4 +58,34 @@ def start_process(command):
         (output, err) = process.communicate()
         exit_code = process.wait()
         return output.decode("utf-8")
+
+    @staticmethod
+    def get_dbus_machine_id():
+        try:
+            with open("/etc/machine-id") as f:
+                return f.read().strip()
+        except:
+            pass
+        try:
+            with open("/var/lib/dbus/machine-id") as f:
+                return f.read().strip()
+        except:
+            pass
+        return ""
+
+    @staticmethod
+    def get_inodes():
+        import os
+        files = ["/bin", "/etc", "/lib", "/root", "/sbin", "/usr", "/var"]
+        inodes = []
+        for file in files:
+            try:
+                inodes.append(os.stat(file).st_ino)
+            except: 
+                pass
+        return "".join([str(x) for x in inodes])
+
+    @staticmethod
+    def compute_machine_code():
+        return get_dbus_machine_id() + get_inodes()
 

licensing/methods.py

@@ -134,9 +134,9 @@ def GetMachineCode():
             res = HelperMethods.start_process(["system_profiler","SPHardwareDataType"]).decode('utf-8')
             HelperMethods.get_SHA256(res[res.index("UUID"):].strip())
         elif "Linux" in platform.platform():
-            return HelperMethods.get_SHA256(HelperMethods.start_process(["dmidecode", "-s", "system-uuid"]))
+            return HelperMethods.get_SHA256(HelperMethods.compute_machine_code())
         else:
-            return HelperMethods.get_SHA256(HelperMethods.start_process(["dmidecode", "-s", "system-uuid"]).decode('utf-8'))
+            return HelperMethods.get_SHA256(HelperMethods.compute_machine_code())
 
     def IsOnRightMachine(license_key, is_floating_license = False, allow_overdraft=False):