Allow editing services.
[nssm.git] / gui.cpp
diff --git a/gui.cpp b/gui.cpp
index 240f62c..6fc5162 100644 (file)
--- a/gui.cpp
+++ b/gui.cpp
@@ -12,6 +12,9 @@ int nssm_gui(int resource, nssm_service_t *service) {
     return 1;\r
   }\r
 \r
+  /* Remember what the window is for. */\r
+  SetWindowLongPtr(dlg, GWLP_USERDATA, (LONG_PTR) resource);\r
+\r
   /* Display the window */\r
   centre_window(dlg);\r
   ShowWindow(dlg, SW_SHOW);\r
@@ -29,6 +32,126 @@ int nssm_gui(int resource, nssm_service_t *service) {
     }\r
   }\r
 \r
+  if (resource == IDD_EDIT) {\r
+    /* We'll need the service handle later. */\r
+    SetWindowLongPtr(dlg, DWLP_USER, (LONG_PTR) service);\r
+\r
+    /* Service name can't be edited. */\r
+    EnableWindow(GetDlgItem(dlg, IDC_NAME), 0);\r
+    SetFocus(GetDlgItem(dlg, IDOK));\r
+\r
+    /* Set existing details. */\r
+    HWND combo;\r
+\r
+    /* Application tab. */\r
+    if (service->native) SetDlgItemText(tablist[NSSM_TAB_APPLICATION], IDC_PATH, service->image);\r
+    else SetDlgItemText(tablist[NSSM_TAB_APPLICATION], IDC_PATH, service->exe);\r
+    SetDlgItemText(tablist[NSSM_TAB_APPLICATION], IDC_DIR, service->dir);\r
+    SetDlgItemText(tablist[NSSM_TAB_APPLICATION], IDC_FLAGS, service->flags);\r
+\r
+    /* Details tab. */\r
+    SetDlgItemText(tablist[NSSM_TAB_DETAILS], IDC_DISPLAYNAME, service->displayname);\r
+    SetDlgItemText(tablist[NSSM_TAB_DETAILS], IDC_DESCRIPTION, service->description);\r
+    combo = GetDlgItem(tablist[NSSM_TAB_DETAILS], IDC_STARTUP);\r
+    SendMessage(combo, CB_SETCURSEL, service->startup, 0);\r
+\r
+    /* Log on tab. */\r
+    if (service->username) {\r
+      CheckRadioButton(tablist[NSSM_TAB_LOGON], IDC_LOCALSYSTEM, IDC_ACCOUNT, IDC_ACCOUNT);\r
+      SetDlgItemText(tablist[NSSM_TAB_LOGON], IDC_USERNAME, service->username);\r
+      EnableWindow(GetDlgItem(tablist[NSSM_TAB_LOGON], IDC_INTERACT), 0);\r
+      EnableWindow(GetDlgItem(tablist[NSSM_TAB_LOGON], IDC_USERNAME), 1);\r
+      EnableWindow(GetDlgItem(tablist[NSSM_TAB_LOGON], IDC_PASSWORD1), 1);\r
+      EnableWindow(GetDlgItem(tablist[NSSM_TAB_LOGON], IDC_PASSWORD2), 1);\r
+    }\r
+    else {\r
+      CheckRadioButton(tablist[NSSM_TAB_LOGON], IDC_LOCALSYSTEM, IDC_ACCOUNT, IDC_LOCALSYSTEM);\r
+      if (service->type & SERVICE_INTERACTIVE_PROCESS) SendDlgItemMessage(tablist[NSSM_TAB_LOGON], IDC_INTERACT, BM_SETCHECK, BST_CHECKED, 0);\r
+    }\r
+\r
+    /* Shutdown tab. */\r
+    if (! (service->stop_method & NSSM_STOP_METHOD_CONSOLE)) {\r
+      SendDlgItemMessage(tablist[NSSM_TAB_SHUTDOWN], IDC_METHOD_CONSOLE, BM_SETCHECK, BST_UNCHECKED, 0);\r
+      EnableWindow(GetDlgItem(tablist[NSSM_TAB_SHUTDOWN], IDC_KILL_CONSOLE), 0);\r
+    }\r
+    SetDlgItemInt(tablist[NSSM_TAB_SHUTDOWN], IDC_KILL_CONSOLE, service->kill_console_delay, 0);\r
+    if (! (service->stop_method & NSSM_STOP_METHOD_WINDOW)) {\r
+      SendDlgItemMessage(tablist[NSSM_TAB_SHUTDOWN], IDC_METHOD_WINDOW, BM_SETCHECK, BST_UNCHECKED, 0);\r
+      EnableWindow(GetDlgItem(tablist[NSSM_TAB_SHUTDOWN], IDC_KILL_WINDOW), 0);\r
+    }\r
+    SetDlgItemInt(tablist[NSSM_TAB_SHUTDOWN], IDC_KILL_WINDOW, service->kill_window_delay, 0);\r
+    if (! (service->stop_method & NSSM_STOP_METHOD_THREADS)) {\r
+      SendDlgItemMessage(tablist[NSSM_TAB_SHUTDOWN], IDC_METHOD_THREADS, BM_SETCHECK, BST_UNCHECKED, 0);\r
+      EnableWindow(GetDlgItem(tablist[NSSM_TAB_SHUTDOWN], IDC_KILL_THREADS), 0);\r
+    }\r
+    SetDlgItemInt(tablist[NSSM_TAB_SHUTDOWN], IDC_KILL_THREADS, service->kill_threads_delay, 0);\r
+    if (! (service->stop_method & NSSM_STOP_METHOD_TERMINATE)) {\r
+      SendDlgItemMessage(tablist[NSSM_TAB_SHUTDOWN], IDC_METHOD_TERMINATE, BM_SETCHECK, BST_UNCHECKED, 0);\r
+    }\r
+\r
+    /* Restart tab. */\r
+    SetDlgItemInt(tablist[NSSM_TAB_EXIT], IDC_THROTTLE, service->throttle_delay, 0);\r
+    combo = GetDlgItem(tablist[NSSM_TAB_EXIT], IDC_APPEXIT);\r
+    SendMessage(combo, CB_SETCURSEL, service->default_exit_action, 0);\r
+\r
+    /* I/O tab. */\r
+    SetDlgItemText(tablist[NSSM_TAB_IO], IDC_STDIN, service->stdin_path);\r
+    SetDlgItemText(tablist[NSSM_TAB_IO], IDC_STDOUT, service->stdout_path);\r
+    SetDlgItemText(tablist[NSSM_TAB_IO], IDC_STDERR, service->stderr_path);\r
+\r
+    /* Rotation tab. */\r
+    if (service->stdout_disposition == CREATE_ALWAYS) SendDlgItemMessage(tablist[NSSM_TAB_ROTATION], IDC_TRUNCATE, BM_SETCHECK, BST_CHECKED, 0);\r
+    if (service->rotate_files) {\r
+      SendDlgItemMessage(tablist[NSSM_TAB_ROTATION], IDC_ROTATE, BM_SETCHECK, BST_CHECKED, 0);\r
+      EnableWindow(GetDlgItem(tablist[NSSM_TAB_ROTATION], IDC_ROTATE_SECONDS), 1);\r
+      EnableWindow(GetDlgItem(tablist[NSSM_TAB_ROTATION], IDC_ROTATE_BYTES_LOW), 1);\r
+    }\r
+    SetDlgItemInt(tablist[NSSM_TAB_ROTATION], IDC_ROTATE_SECONDS, service->rotate_seconds, 0);\r
+    if (! service->rotate_bytes_high) SetDlgItemInt(tablist[NSSM_TAB_ROTATION], IDC_ROTATE_BYTES_LOW, service->rotate_bytes_low, 0);\r
+\r
+    /* Check if advanced settings are in use. */\r
+    if (service->stdout_disposition ^ service->stderr_disposition || service->stdout_disposition & ~CREATE_ALWAYS || service->stderr_disposition & ~CREATE_ALWAYS) popup_message(MB_OK | MB_ICONWARNING, NSSM_GUI_WARN_STDIO);\r
+    if (service->rotate_bytes_high) popup_message(MB_OK | MB_ICONWARNING, NSSM_GUI_WARN_ROTATE_BYTES);\r
+\r
+    /* Environment tab. */\r
+    TCHAR *env;\r
+    unsigned long envlen;\r
+    if (service->env_extralen) {\r
+      SendDlgItemMessage(tablist[NSSM_TAB_ENVIRONMENT], IDC_ENVIRONMENT_REPLACE, BM_SETCHECK, BST_CHECKED, 0);\r
+      env = service->env_extra;\r
+      envlen = service->env_extralen;\r
+    }\r
+    else {\r
+      env = service->env;\r
+      envlen = service->envlen;\r
+    }\r
+\r
+    if (envlen) {\r
+      /* Replace NULL with CRLF. Leave NULL NULL as the end marker. */\r
+      unsigned long i, j;\r
+      unsigned long newlen = envlen;\r
+      for (i = 0; i < envlen; i++) if (! env[i] && env[i + 1]) newlen++;\r
+\r
+      TCHAR *formatted = (TCHAR *) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, newlen * sizeof(TCHAR));\r
+      if (formatted) {\r
+        for (i = 0, j = 0; i < envlen; i++) {\r
+          formatted[j] = env[i];\r
+          if (! env[i]) {\r
+            if (env[i + 1]) {\r
+              formatted[j] = _T('\r');\r
+              formatted[++j] = _T('\n');\r
+            }\r
+          }\r
+          j++;\r
+        }\r
+        SetDlgItemText(tablist[NSSM_TAB_ENVIRONMENT], IDC_ENVIRONMENT, formatted);\r
+        HeapFree(GetProcessHeap(), 0, formatted);\r
+      }\r
+      else popup_message(MB_OK | MB_ICONEXCLAMATION, NSSM_EVENT_OUT_OF_MEMORY, _T("environment"), _T("nssm_dlg()"));\r
+    }\r
+    if (service->envlen && service->env_extralen) popup_message(MB_OK | MB_ICONWARNING, NSSM_GUI_WARN_ENVIRONMENT);\r
+  }\r
+\r
   /* Go! */\r
   MSG message;\r
   while (GetMessage(&message, 0, 0, 0)) {\r
@@ -99,22 +222,26 @@ static inline void check_io(TCHAR *name, TCHAR *buffer, unsigned long len, unsig
   ZeroMemory(buffer, len * sizeof(TCHAR));\r
 }\r
 \r
-/* Install the service. */\r
-int install(HWND window) {\r
-  if (! window) return 1;\r
+/* Set service parameters. */\r
+int configure(HWND window, nssm_service_t *service, nssm_service_t *orig_service) {\r
+  if (! service) return 1;\r
 \r
-  nssm_service_t *service = alloc_nssm_service();\r
-  if (service) {\r
-    set_nssm_service_defaults(service);\r
+  set_nssm_service_defaults(service);\r
 \r
-    /* Get service name. */\r
-    if (! GetDlgItemText(window, IDC_NAME, service->name, _countof(service->name))) {\r
-      popup_message(MB_OK | MB_ICONEXCLAMATION, NSSM_GUI_MISSING_SERVICE_NAME);\r
-      cleanup_nssm_service(service);\r
-      return 2;\r
-    }\r
+  if (orig_service) {\r
+    service->native = orig_service->native;\r
+    service->handle = orig_service->handle;\r
+  }\r
 \r
-    /* Get executable name */\r
+  /* Get service name. */\r
+  if (! GetDlgItemText(window, IDC_NAME, service->name, _countof(service->name))) {\r
+    popup_message(MB_OK | MB_ICONEXCLAMATION, NSSM_GUI_MISSING_SERVICE_NAME);\r
+    cleanup_nssm_service(service);\r
+    return 2;\r
+  }\r
+\r
+  /* Get executable name */\r
+  if (! service->native) {\r
     if (! GetDlgItemText(tablist[NSSM_TAB_APPLICATION], IDC_PATH, service->exe, _countof(service->exe))) {\r
       popup_message(MB_OK | MB_ICONEXCLAMATION, NSSM_GUI_MISSING_PATH);\r
       return 3;\r
@@ -133,54 +260,74 @@ int install(HWND window) {
         return 4;\r
       }\r
     }\r
+  }\r
 \r
-    /* Get details. */\r
-    if (SendMessage(GetDlgItem(tablist[NSSM_TAB_DETAILS], IDC_DISPLAYNAME), WM_GETTEXTLENGTH, 0, 0)) {\r
-      if (! GetDlgItemText(tablist[NSSM_TAB_DETAILS], IDC_DISPLAYNAME, service->displayname, _countof(service->displayname))) {\r
-        popup_message(MB_OK | MB_ICONEXCLAMATION, NSSM_GUI_INVALID_DISPLAYNAME);\r
-        return 5;\r
-      }\r
+  /* Get details. */\r
+  if (SendMessage(GetDlgItem(tablist[NSSM_TAB_DETAILS], IDC_DISPLAYNAME), WM_GETTEXTLENGTH, 0, 0)) {\r
+    if (! GetDlgItemText(tablist[NSSM_TAB_DETAILS], IDC_DISPLAYNAME, service->displayname, _countof(service->displayname))) {\r
+      popup_message(MB_OK | MB_ICONEXCLAMATION, NSSM_GUI_INVALID_DISPLAYNAME);\r
+      return 5;\r
     }\r
+  }\r
 \r
-    if (SendMessage(GetDlgItem(tablist[NSSM_TAB_DETAILS], IDC_DESCRIPTION), WM_GETTEXTLENGTH, 0, 0)) {\r
-      if (! GetDlgItemText(tablist[NSSM_TAB_DETAILS], IDC_DESCRIPTION, service->description, _countof(service->description))) {\r
-        popup_message(MB_OK | MB_ICONEXCLAMATION, NSSM_GUI_INVALID_DESCRIPTION);\r
-        return 5;\r
-      }\r
+  if (SendMessage(GetDlgItem(tablist[NSSM_TAB_DETAILS], IDC_DESCRIPTION), WM_GETTEXTLENGTH, 0, 0)) {\r
+    if (! GetDlgItemText(tablist[NSSM_TAB_DETAILS], IDC_DESCRIPTION, service->description, _countof(service->description))) {\r
+      popup_message(MB_OK | MB_ICONEXCLAMATION, NSSM_GUI_INVALID_DESCRIPTION);\r
+      return 5;\r
     }\r
+  }\r
 \r
-    HWND combo = GetDlgItem(tablist[NSSM_TAB_DETAILS], IDC_STARTUP);\r
-    service->startup = (unsigned long) SendMessage(combo, CB_GETCURSEL, 0, 0);\r
-    if (service->startup == CB_ERR) service->startup = 0;\r
+  HWND combo = GetDlgItem(tablist[NSSM_TAB_DETAILS], IDC_STARTUP);\r
+  service->startup = (unsigned long) SendMessage(combo, CB_GETCURSEL, 0, 0);\r
+  if (service->startup == CB_ERR) service->startup = 0;\r
 \r
-    /* Get logon stuff. */\r
-    if (SendDlgItemMessage(tablist[NSSM_TAB_LOGON], IDC_LOCALSYSTEM, BM_GETCHECK, 0, 0) & BST_CHECKED) {\r
-      if (SendDlgItemMessage(tablist[NSSM_TAB_LOGON], IDC_INTERACT, BM_GETCHECK, 0, 0) & BST_CHECKED) {\r
-        service->type |= SERVICE_INTERACTIVE_PROCESS;\r
-      }\r
+  /* Get logon stuff. */\r
+  if (SendDlgItemMessage(tablist[NSSM_TAB_LOGON], IDC_LOCALSYSTEM, BM_GETCHECK, 0, 0) & BST_CHECKED) {\r
+    if (SendDlgItemMessage(tablist[NSSM_TAB_LOGON], IDC_INTERACT, BM_GETCHECK, 0, 0) & BST_CHECKED) {\r
+      service->type |= SERVICE_INTERACTIVE_PROCESS;\r
     }\r
-    else {\r
-      /* Username. */\r
-      service->usernamelen = SendMessage(GetDlgItem(tablist[NSSM_TAB_LOGON], IDC_USERNAME), WM_GETTEXTLENGTH, 0, 0);\r
-      if (! service->usernamelen) {\r
-        popup_message(MB_OK | MB_ICONEXCLAMATION, NSSM_GUI_MISSING_USERNAME);\r
-        return 6;\r
-      }\r
-      service->usernamelen++;\r
+    if (service->username) HeapFree(GetProcessHeap(), 0, service->username);\r
+    service->username = 0;\r
+    service->usernamelen = 0;\r
+    if (service->password) {\r
+      SecureZeroMemory(service->password, service->passwordlen);\r
+      HeapFree(GetProcessHeap(), 0, service->password);\r
+    }\r
+    service->password = 0;\r
+    service->passwordlen = 0;\r
+  }\r
+  else {\r
+    /* Username. */\r
+    service->usernamelen = SendMessage(GetDlgItem(tablist[NSSM_TAB_LOGON], IDC_USERNAME), WM_GETTEXTLENGTH, 0, 0);\r
+    if (! service->usernamelen) {\r
+      popup_message(MB_OK | MB_ICONEXCLAMATION, NSSM_GUI_MISSING_USERNAME);\r
+      return 6;\r
+    }\r
+    service->usernamelen++;\r
 \r
-      service->username = (TCHAR *) HeapAlloc(GetProcessHeap(), 0, service->usernamelen * sizeof(TCHAR));\r
-      if (! service->username) {\r
-        popup_message(MB_OK | MB_ICONEXCLAMATION, NSSM_EVENT_OUT_OF_MEMORY, _T("account name"), _T("install()"));\r
-        return 6;\r
-      }\r
-      if (! GetDlgItemText(tablist[NSSM_TAB_LOGON], IDC_USERNAME, service->username, (int) service->usernamelen)) {\r
-        HeapFree(GetProcessHeap(), 0, service->username);\r
-        service->username = 0;\r
-        service->usernamelen = 0;\r
-        popup_message(MB_OK | MB_ICONEXCLAMATION, NSSM_GUI_INVALID_USERNAME);\r
-        return 6;\r
-      }\r
+    service->username = (TCHAR *) HeapAlloc(GetProcessHeap(), 0, service->usernamelen * sizeof(TCHAR));\r
+    if (! service->username) {\r
+      popup_message(MB_OK | MB_ICONEXCLAMATION, NSSM_EVENT_OUT_OF_MEMORY, _T("account name"), _T("install()"));\r
+      return 6;\r
+    }\r
+    if (! GetDlgItemText(tablist[NSSM_TAB_LOGON], IDC_USERNAME, service->username, (int) service->usernamelen)) {\r
+      HeapFree(GetProcessHeap(), 0, service->username);\r
+      service->username = 0;\r
+      service->usernamelen = 0;\r
+      popup_message(MB_OK | MB_ICONEXCLAMATION, NSSM_GUI_INVALID_USERNAME);\r
+      return 6;\r
+    }\r
 \r
+    /*\r
+      Special case LOCALSYSTEM.\r
+      Ignore the password if we're editing and the username hasn't changed.\r
+    */\r
+    if (str_equiv(service->username, NSSM_LOCALSYSTEM_ACCOUNT)) {\r
+      HeapFree(GetProcessHeap(), 0, service->username);\r
+      service->username = 0;\r
+      service->usernamelen = 0;\r
+    }\r
+    else if (! orig_service || ! orig_service->username || ! str_equiv(service->username, orig_service->username)) {\r
       /* Password. */\r
       service->passwordlen = SendMessage(GetDlgItem(tablist[NSSM_TAB_LOGON], IDC_PASSWORD1), WM_GETTEXTLENGTH, 0, 0);\r
       if (! service->passwordlen) {\r
@@ -258,100 +405,116 @@ int install(HWND window) {
         return 6;\r
       }\r
     }\r
+  }\r
 \r
-    /* Get stop method stuff. */\r
-    check_stop_method(service, NSSM_STOP_METHOD_CONSOLE, IDC_METHOD_CONSOLE);\r
-    check_stop_method(service, NSSM_STOP_METHOD_WINDOW, IDC_METHOD_WINDOW);\r
-    check_stop_method(service, NSSM_STOP_METHOD_THREADS, IDC_METHOD_THREADS);\r
-    check_stop_method(service, NSSM_STOP_METHOD_TERMINATE, IDC_METHOD_TERMINATE);\r
-    check_number(tablist[NSSM_TAB_SHUTDOWN], IDC_KILL_CONSOLE, &service->kill_console_delay);\r
-    check_number(tablist[NSSM_TAB_SHUTDOWN], IDC_KILL_WINDOW, &service->kill_window_delay);\r
-    check_number(tablist[NSSM_TAB_SHUTDOWN], IDC_KILL_THREADS, &service->kill_threads_delay);\r
-\r
-    /* Get exit action stuff. */\r
-    check_number(tablist[NSSM_TAB_EXIT], IDC_THROTTLE, &service->throttle_delay);\r
-    combo = GetDlgItem(tablist[NSSM_TAB_EXIT], IDC_APPEXIT);\r
-    service->default_exit_action = (unsigned long) SendMessage(combo, CB_GETCURSEL, 0, 0);\r
-    if (service->default_exit_action == CB_ERR) service->default_exit_action = 0;\r
+  /* Remaining tabs are only for services we manage. */\r
+  if (service->native) return 0;\r
+\r
+  /* Get stop method stuff. */\r
+  check_stop_method(service, NSSM_STOP_METHOD_CONSOLE, IDC_METHOD_CONSOLE);\r
+  check_stop_method(service, NSSM_STOP_METHOD_WINDOW, IDC_METHOD_WINDOW);\r
+  check_stop_method(service, NSSM_STOP_METHOD_THREADS, IDC_METHOD_THREADS);\r
+  check_stop_method(service, NSSM_STOP_METHOD_TERMINATE, IDC_METHOD_TERMINATE);\r
+  check_number(tablist[NSSM_TAB_SHUTDOWN], IDC_KILL_CONSOLE, &service->kill_console_delay);\r
+  check_number(tablist[NSSM_TAB_SHUTDOWN], IDC_KILL_WINDOW, &service->kill_window_delay);\r
+  check_number(tablist[NSSM_TAB_SHUTDOWN], IDC_KILL_THREADS, &service->kill_threads_delay);\r
+\r
+  /* Get exit action stuff. */\r
+  check_number(tablist[NSSM_TAB_EXIT], IDC_THROTTLE, &service->throttle_delay);\r
+  combo = GetDlgItem(tablist[NSSM_TAB_EXIT], IDC_APPEXIT);\r
+  service->default_exit_action = (unsigned long) SendMessage(combo, CB_GETCURSEL, 0, 0);\r
+  if (service->default_exit_action == CB_ERR) service->default_exit_action = 0;\r
+\r
+  /* Get I/O stuff. */\r
+  check_io(_T("stdin"), service->stdin_path, _countof(service->stdin_path), IDC_STDIN);\r
+  check_io(_T("stdout"), service->stdout_path, _countof(service->stdout_path), IDC_STDOUT);\r
+  check_io(_T("stderr"), service->stderr_path, _countof(service->stderr_path), IDC_STDERR);\r
+\r
+  /* Override stdout and/or stderr. */\r
+  if (SendDlgItemMessage(tablist[NSSM_TAB_ROTATION], IDC_TRUNCATE, BM_GETCHECK, 0, 0) & BST_CHECKED) {\r
+    if (service->stdout_path[0]) service->stdout_disposition = CREATE_ALWAYS;\r
+    if (service->stderr_path[0]) service->stderr_disposition = CREATE_ALWAYS;\r
+  }\r
 \r
-    /* Get I/O stuff. */\r
-    check_io(_T("stdin"), service->stdin_path, _countof(service->stdin_path), IDC_STDIN);\r
-    check_io(_T("stdout"), service->stdout_path, _countof(service->stdout_path), IDC_STDOUT);\r
-    check_io(_T("stderr"), service->stderr_path, _countof(service->stderr_path), IDC_STDERR);\r
+  /* Get rotation stuff. */\r
+  if (SendDlgItemMessage(tablist[NSSM_TAB_ROTATION], IDC_ROTATE, BM_GETCHECK, 0, 0) & BST_CHECKED) {\r
+    service->rotate_files = true;\r
+    check_number(tablist[NSSM_TAB_ROTATION], IDC_ROTATE_SECONDS, &service->rotate_seconds);\r
+    check_number(tablist[NSSM_TAB_ROTATION], IDC_ROTATE_BYTES_LOW, &service->rotate_bytes_low);\r
+  }\r
 \r
-    /* Override stdout and/or stderr. */\r
-    if (SendDlgItemMessage(tablist[NSSM_TAB_ROTATION], IDC_TRUNCATE, BM_GETCHECK, 0, 0) & BST_CHECKED) {\r
-      if (service->stdout_path[0]) service->stdout_disposition = CREATE_ALWAYS;\r
-      if (service->stderr_path[0]) service->stderr_disposition = CREATE_ALWAYS;\r
+  /* Get environment. */\r
+  unsigned long envlen = (unsigned long) SendMessage(GetDlgItem(tablist[NSSM_TAB_ENVIRONMENT], IDC_ENVIRONMENT), WM_GETTEXTLENGTH, 0, 0);\r
+  if (envlen) {\r
+    TCHAR *env = (TCHAR *) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (envlen + 2) * sizeof(TCHAR));\r
+    if (! env) {\r
+      popup_message(MB_OK | MB_ICONEXCLAMATION, NSSM_EVENT_OUT_OF_MEMORY, _T("environment"), _T("install()"));\r
+      cleanup_nssm_service(service);\r
+      return 5;\r
     }\r
 \r
-    /* Get rotation stuff. */\r
-    if (SendDlgItemMessage(tablist[NSSM_TAB_ROTATION], IDC_ROTATE, BM_GETCHECK, 0, 0) & BST_CHECKED) {\r
-      service->rotate_files = true;\r
-      check_number(tablist[NSSM_TAB_ROTATION], IDC_ROTATE_SECONDS, &service->rotate_seconds);\r
-      check_number(tablist[NSSM_TAB_ROTATION], IDC_ROTATE_BYTES_LOW, &service->rotate_bytes_low);\r
+    if (! GetDlgItemText(tablist[NSSM_TAB_ENVIRONMENT], IDC_ENVIRONMENT, env, envlen + 1)) {\r
+      popup_message(MB_OK | MB_ICONEXCLAMATION, NSSM_GUI_INVALID_ENVIRONMENT);\r
+      HeapFree(GetProcessHeap(), 0, env);\r
+      cleanup_nssm_service(service);\r
+      return 5;\r
     }\r
 \r
-    /* Get environment. */\r
-    unsigned long envlen = (unsigned long) SendMessage(GetDlgItem(tablist[NSSM_TAB_ENVIRONMENT], IDC_ENVIRONMENT), WM_GETTEXTLENGTH, 0, 0);\r
-    if (envlen) {\r
-      TCHAR *env = (TCHAR *) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (envlen + 2) * sizeof(TCHAR));\r
-      if (! env) {\r
-        popup_message(MB_OK | MB_ICONEXCLAMATION, NSSM_EVENT_OUT_OF_MEMORY, _T("environment"), _T("install()"));\r
-        cleanup_nssm_service(service);\r
-        return 5;\r
-      }\r
+    /* Strip CR and replace LF with NULL. */\r
+    unsigned long newlen = 0;\r
+    unsigned long i, j;\r
+    for (i = 0; i < envlen; i++) if (env[i] != _T('\r')) newlen++;\r
+    /* Must end with two NULLs. */\r
+    newlen += 2;\r
 \r
-      if (! GetDlgItemText(tablist[NSSM_TAB_ENVIRONMENT], IDC_ENVIRONMENT, env, envlen + 1)) {\r
-        popup_message(MB_OK | MB_ICONEXCLAMATION, NSSM_GUI_INVALID_ENVIRONMENT);\r
-        HeapFree(GetProcessHeap(), 0, env);\r
-        cleanup_nssm_service(service);\r
-        return 5;\r
-      }\r
+    TCHAR *newenv = (TCHAR *) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, newlen * sizeof(TCHAR));\r
+    if (! newenv) {\r
+      HeapFree(GetProcessHeap(), 0, env);\r
+      popup_message(MB_OK | MB_ICONEXCLAMATION, NSSM_EVENT_OUT_OF_MEMORY, _T("environment"), _T("install()"));\r
+      cleanup_nssm_service(service);\r
+      return 5;\r
+    }\r
 \r
-      /* Strip CR and replace LF with NULL. */\r
-      unsigned long newlen = 0;\r
-      unsigned long i, j;\r
-      for (i = 0; i < envlen; i++) if (env[i] != _T('\r')) newlen++;\r
-      /* Must end with two NULLs. */\r
-      newlen += 2;\r
-\r
-      TCHAR *newenv = (TCHAR *) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, newlen * sizeof(TCHAR));\r
-      if (! newenv) {\r
-        HeapFree(GetProcessHeap(), 0, env);\r
-        popup_message(MB_OK | MB_ICONEXCLAMATION, NSSM_EVENT_OUT_OF_MEMORY, _T("environment"), _T("install()"));\r
-        cleanup_nssm_service(service);\r
-        return 5;\r
-      }\r
+    for (i = 0, j = 0; i < envlen; i++) {\r
+      if (env[i] == _T('\r')) continue;\r
+      if (env[i] == _T('\n')) newenv[j] = _T('\0');\r
+      else newenv[j] = env[i];\r
+      j++;\r
+    }\r
 \r
-      for (i = 0, j = 0; i < envlen; i++) {\r
-        if (env[i] == _T('\r')) continue;\r
-        if (env[i] == _T('\n')) newenv[j] = _T('\0');\r
-        else newenv[j] = env[i];\r
-        j++;\r
-      }\r
+    HeapFree(GetProcessHeap(), 0, env);\r
+    env = newenv;\r
+    envlen = newlen;\r
 \r
+    /* Test the environment is valid. */\r
+    if (test_environment(env)) {\r
+      popup_message(MB_OK | MB_ICONEXCLAMATION, NSSM_GUI_INVALID_ENVIRONMENT);\r
       HeapFree(GetProcessHeap(), 0, env);\r
-      env = newenv;\r
-      envlen = newlen;\r
-\r
-      /* Test the environment is valid. */\r
-      if (test_environment(env)) {\r
-        popup_message(MB_OK | MB_ICONEXCLAMATION, NSSM_GUI_INVALID_ENVIRONMENT);\r
-        HeapFree(GetProcessHeap(), 0, env);\r
-        cleanup_nssm_service(service);\r
-        return 5;\r
-      }\r
+      cleanup_nssm_service(service);\r
+      return 5;\r
+    }\r
 \r
-      if (SendDlgItemMessage(tablist[NSSM_TAB_ENVIRONMENT], IDC_ENVIRONMENT_REPLACE, BM_GETCHECK, 0, 0) & BST_CHECKED) {\r
-        service->env = env;\r
-        service->envlen = envlen;\r
-      }\r
-      else {\r
-        service->env_extra = env;\r
-        service->env_extralen = envlen;\r
-      }\r
+    if (SendDlgItemMessage(tablist[NSSM_TAB_ENVIRONMENT], IDC_ENVIRONMENT_REPLACE, BM_GETCHECK, 0, 0) & BST_CHECKED) {\r
+      service->env = env;\r
+      service->envlen = envlen;\r
     }\r
+    else {\r
+      service->env_extra = env;\r
+      service->env_extralen = envlen;\r
+    }\r
+  }\r
+\r
+  return 0;\r
+}\r
+\r
+/* Install the service. */\r
+int install(HWND window) {\r
+  if (! window) return 1;\r
+\r
+  nssm_service_t *service = alloc_nssm_service();\r
+  if (service) {\r
+    int ret = configure(window, service, 0);\r
+    if (ret) return ret;\r
   }\r
 \r
   /* See if it works. */\r
@@ -440,6 +603,42 @@ int remove(HWND window) {
   return 0;\r
 }\r
 \r
+int edit(HWND window, nssm_service_t *orig_service) {\r
+  if (! window) return 1;\r
+\r
+  nssm_service_t *service = alloc_nssm_service();\r
+  if (service) {\r
+    int ret = configure(window, service, orig_service);\r
+    if (ret) return ret;\r
+  }\r
+\r
+  switch (edit_service(service, true)) {\r
+    case 1:\r
+      popup_message(MB_OK | MB_ICONEXCLAMATION, NSSM_EVENT_OUT_OF_MEMORY, _T("service"), _T("edit()"));\r
+      cleanup_nssm_service(service);\r
+      return 1;\r
+\r
+    case 3:\r
+      popup_message(MB_OK | MB_ICONEXCLAMATION, NSSM_MESSAGE_PATH_TOO_LONG, NSSM);\r
+      cleanup_nssm_service(service);\r
+      return 3;\r
+\r
+    case 4:\r
+      popup_message(MB_OK | MB_ICONEXCLAMATION, NSSM_GUI_OUT_OF_MEMORY_FOR_IMAGEPATH);\r
+      cleanup_nssm_service(service);\r
+      return 4;\r
+\r
+    case 6:\r
+      popup_message(MB_OK | MB_ICONEXCLAMATION, NSSM_GUI_EDIT_PARAMETERS_FAILED);\r
+      cleanup_nssm_service(service);\r
+      return 6;\r
+  }\r
+\r
+  popup_message(MB_OK, NSSM_MESSAGE_SERVICE_EDITED, service->name);\r
+  cleanup_nssm_service(service);\r
+  return 0;\r
+}\r
+\r
 static TCHAR *browse_filter(int message) {\r
   switch (message) {\r
     case NSSM_GUI_BROWSE_FILTER_APPLICATIONS: return _T("*.exe;*.bat;*.cmd");\r
@@ -606,9 +805,13 @@ INT_PTR CALLBACK tab_dlg(HWND tab, UINT message, WPARAM w, LPARAM l) {
 \r
 /* Install/remove dialogue callback */\r
 INT_PTR CALLBACK nssm_dlg(HWND window, UINT message, WPARAM w, LPARAM l) {\r
+  nssm_service_t *service;\r
+\r
   switch (message) {\r
     /* Creating the dialogue */\r
     case WM_INITDIALOG:\r
+      service = (nssm_service_t *) l;\r
+\r
       SetFocus(GetDlgItem(window, IDC_NAME));\r
 \r
       HWND tabs;\r
@@ -621,11 +824,19 @@ INT_PTR CALLBACK nssm_dlg(HWND window, UINT message, WPARAM w, LPARAM l) {
       ZeroMemory(&tab, sizeof(tab));\r
       tab.mask = TCIF_TEXT;\r
 \r
+      selected_tab = 0;\r
+\r
       /* Application tab. */\r
-      tab.pszText = message_string(NSSM_GUI_TAB_APPLICATION);\r
+      if (service->native) tab.pszText = message_string(NSSM_GUI_TAB_NATIVE);\r
+      else tab.pszText = message_string(NSSM_GUI_TAB_APPLICATION);\r
       tab.cchTextMax = (int) _tcslen(tab.pszText);\r
       SendMessage(tabs, TCM_INSERTITEM, NSSM_TAB_APPLICATION, (LPARAM) &tab);\r
-      tablist[NSSM_TAB_APPLICATION] = CreateDialog(0, MAKEINTRESOURCE(IDD_APPLICATION), window, tab_dlg);\r
+      if (service->native) {\r
+        tablist[NSSM_TAB_APPLICATION] = CreateDialog(0, MAKEINTRESOURCE(IDD_NATIVE), window, tab_dlg);\r
+        EnableWindow(tablist[NSSM_TAB_APPLICATION], 0);\r
+        EnableWindow(GetDlgItem(tablist[NSSM_TAB_APPLICATION], IDC_PATH), 0);\r
+      }\r
+      else tablist[NSSM_TAB_APPLICATION] = CreateDialog(0, MAKEINTRESOURCE(IDD_APPLICATION), window, tab_dlg);\r
       ShowWindow(tablist[NSSM_TAB_APPLICATION], SW_SHOW);\r
 \r
       /* Details tab. */\r
@@ -654,6 +865,9 @@ INT_PTR CALLBACK nssm_dlg(HWND window, UINT message, WPARAM w, LPARAM l) {
       CheckRadioButton(tablist[NSSM_TAB_LOGON], IDC_LOCALSYSTEM, IDC_ACCOUNT, IDC_LOCALSYSTEM);\r
       set_logon_enabled(0);\r
 \r
+      /* Remaining tabs are only for services we manage. */\r
+      if (service->native) return 1;\r
+\r
       /* Shutdown tab. */\r
       tab.pszText = message_string(NSSM_GUI_TAB_SHUTDOWN);\r
       tab.cchTextMax = (int) _tcslen(tab.pszText);\r
@@ -712,8 +926,6 @@ INT_PTR CALLBACK nssm_dlg(HWND window, UINT message, WPARAM w, LPARAM l) {
       tablist[NSSM_TAB_ENVIRONMENT] = CreateDialog(0, MAKEINTRESOURCE(IDD_ENVIRONMENT), window, tab_dlg);\r
       ShowWindow(tablist[NSSM_TAB_ENVIRONMENT], SW_HIDE);\r
 \r
-      selected_tab = 0;\r
-\r
       return 1;\r
 \r
     /* Tab change. */\r
@@ -732,12 +944,8 @@ INT_PTR CALLBACK nssm_dlg(HWND window, UINT message, WPARAM w, LPARAM l) {
           selection = (int) SendMessage(tabs, TCM_GETCURSEL, 0, 0);\r
           if (selection != selected_tab) {\r
             ShowWindow(tablist[selected_tab], SW_HIDE);\r
-            /*\r
-              XXX: Sets focus to the service name which isn't ideal but is\r
-                   better than leaving it in another tab.\r
-            */\r
             ShowWindow(tablist[selection], SW_SHOWDEFAULT);\r
-            SetFocus(tablist[selection]);\r
+            SetFocus(GetDlgItem(window, IDOK));\r
             selected_tab = selection;\r
           }\r
           return 1;\r
@@ -750,7 +958,10 @@ INT_PTR CALLBACK nssm_dlg(HWND window, UINT message, WPARAM w, LPARAM l) {
       switch (LOWORD(w)) {\r
         /* OK button */\r
         case IDOK:\r
-          if (! install(window)) PostQuitMessage(0);\r
+          if ((int) GetWindowLongPtr(window, GWLP_USERDATA) == IDD_EDIT) {\r
+            if (! edit(window, (nssm_service_t *) GetWindowLongPtr(window, DWLP_USER))) PostQuitMessage(0);\r
+          }\r
+          else if (! install(window)) PostQuitMessage(0);\r
           break;\r
 \r
         /* Cancel button */\r