From 4afa7ed562410a1170223a7bc06efb3708af6a36 Mon Sep 17 00:00:00 2001
From: Bernhard Schmidt <Bernhard.Schmidt@lrz.de>
Date: Sun, 4 Mar 2018 22:55:51 +0100
Subject: New upstream version 2.4.5

---
 src/openvpnserv/service.c | 81 +++++++++++++++++++++++++++++++++--------------
 1 file changed, 58 insertions(+), 23 deletions(-)

(limited to 'src/openvpnserv/service.c')

diff --git a/src/openvpnserv/service.c b/src/openvpnserv/service.c
index b79e999..7157bea 100644
--- a/src/openvpnserv/service.c
+++ b/src/openvpnserv/service.c
@@ -223,46 +223,81 @@ out:
 int
 _tmain(int argc, TCHAR *argv[])
 {
-    SERVICE_TABLE_ENTRY dispatchTable[] = {
+    /*
+     * Automatic + Interactive service (as a SERVICE_WIN32_SHARE_PROCESS)
+     * This is the default.
+     */
+    const SERVICE_TABLE_ENTRY dispatchTable_shared[] = {
         { automatic_service.name, ServiceStartAutomatic },
         { interactive_service.name, ServiceStartInteractive },
         { NULL, NULL }
     };
 
+    /* Automatic service only (as a SERVICE_WIN32_OWN_PROCESS) */
+    const SERVICE_TABLE_ENTRY dispatchTable_automatic[] = {
+        { TEXT(""), ServiceStartAutomaticOwn },
+        { NULL, NULL }
+    };
+
+    /* Interactive service only (as a SERVICE_WIN32_OWN_PROCESS) */
+    const SERVICE_TABLE_ENTRY dispatchTable_interactive[] = {
+        { TEXT(""), ServiceStartInteractiveOwn },
+        { NULL, NULL }
+    };
+
+    const SERVICE_TABLE_ENTRY *dispatchTable = dispatchTable_shared;
+
     openvpn_service[0] = automatic_service;
     openvpn_service[1] = interactive_service;
 
-    if (argc > 1 && (*argv[1] == TEXT('-') || *argv[1] == TEXT('/')))
+    for (int i = 1; i < argc; i++)
     {
-        if (_tcsicmp(TEXT("install"), argv[1] + 1) == 0)
-        {
-            return CmdInstallServices();
-        }
-        else if (_tcsicmp(TEXT("remove"), argv[1] + 1) == 0)
-        {
-            return CmdRemoveServices();
-        }
-        else if (_tcsicmp(TEXT("start"), argv[1] + 1) == 0)
-        {
-            BOOL is_auto = argc < 3 || _tcsicmp(TEXT("interactive"), argv[2]) != 0;
-            return CmdStartService(is_auto ? automatic : interactive);
-        }
-        else
+        if (*argv[i] == TEXT('-') || *argv[i] == TEXT('/'))
         {
-            goto dispatch;
-        }
+            if (_tcsicmp(TEXT("install"), argv[i] + 1) == 0)
+            {
+                return CmdInstallServices();
+            }
+            else if (_tcsicmp(TEXT("remove"), argv[i] + 1) == 0)
+            {
+                return CmdRemoveServices();
+            }
+            else if (_tcsicmp(TEXT("start"), argv[i] + 1) == 0)
+            {
+                BOOL is_auto = argc < i + 2 || _tcsicmp(TEXT("interactive"), argv[i + 1]) != 0;
+                return CmdStartService(is_auto ? automatic : interactive);
+            }
+            else if (argc > i + 2 && _tcsicmp(TEXT("instance"), argv[i] + 1) == 0)
+            {
+                dispatchTable = _tcsicmp(TEXT("interactive"), argv[i + 1]) != 0 ?
+                    dispatchTable_automatic :
+                    dispatchTable_interactive;
 
-        return 0;
+                service_instance = argv[i + 2];
+                i += 2;
+            }
+            else
+            {
+                _tprintf(TEXT("%s -install        to install the services\n"), APPNAME);
+                _tprintf(TEXT("%s -start <name>   to start a service (\"automatic\" or \"interactive\")\n"), APPNAME);
+                _tprintf(TEXT("%s -remove         to remove the services\n"), APPNAME);
+
+                _tprintf(TEXT("\nService run-time parameters:\n"));
+                _tprintf(TEXT("-instance <name> <id>\n")
+                         TEXT("   Runs the service as an alternate instance. <name> can be \"automatic\" or\n")
+                         TEXT("   \"interactive\". The service settings will be loaded from\n")
+                         TEXT("   HKLM\\Software\\" PACKAGE_NAME "<id> registry key, and the interactive service will accept\n")
+                         TEXT("   requests on \\\\.\\pipe\\" PACKAGE "<id>\\service named pipe.\n"));
+
+                return 0;
+            }
+        }
     }
 
     /* If it doesn't match any of the above parameters
      * the service control manager may be starting the service
      * so we must call StartServiceCtrlDispatcher
      */
-dispatch:
-    _tprintf(TEXT("%s -install        to install the services\n"), APPNAME);
-    _tprintf(TEXT("%s -start <name>   to start a service (\"automatic\" or \"interactive\")\n"), APPNAME);
-    _tprintf(TEXT("%s -remove         to remove the services\n"), APPNAME);
     _tprintf(TEXT("\nStartServiceCtrlDispatcher being called.\n"));
     _tprintf(TEXT("This may take several seconds. Please wait.\n"));
 
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