Escaping VPCS name in regex #1067

gns3server/compute/vpcs/vpcs_vm.py

@@ -171,7 +171,8 @@ class VPCSVM(BaseNode):
         if self.script_file:
             content = self.startup_script
             content = content.replace(self._name, new_name)
-            content = re.sub(r"^set pcname .+$", "set pcname " + new_name, content, flags=re.MULTILINE)
+            escaped_name = re.escape(new_name)
+            content = re.sub(r"^set pcname .+$", "set pcname " + escaped_name, content, flags=re.MULTILINE)
             self.startup_script = content
 
         super(VPCSVM, VPCSVM).name.__set__(self, new_name)

tests/compute/vpcs/test_vpcs_vm.py

@@ -251,6 +251,12 @@ def test_update_startup_script_h(vm):
         assert f.read() == "set pcname pc1\n"
 
 
+def test_update_startup_script_with_escaping_characters_in_name(vm):
+    vm.startup_script = "set pcname initial-name\n"
+    vm.name = "test\\"
+    assert vm.startup_script == "set pcname test\\\n"
+
+
 def test_get_startup_script(vm):
     content = "echo GNS3 VPCS\nip 192.168.1.2"
     vm.startup_script = content