1 files changed, 214 insertions, 0 deletions
diff --git a/src/3rdparty/libdbus/dbus-server-launchd.c b/src/3rdparty/libdbus/dbus-server-launchd.c
new file mode 100644
index 00000000..b28b4576
--- /dev/null
+++ b/src/3rdparty/libdbus/dbus-server-launchd.c
@@ -0,0 +1,214 @@
+/* dbus-server-launchd.c Server methods for interacting with launchd.
+ * Copyright (C) 2007, Tanner Lovelace <lovelace@wayfarer.org>
+ * Copyright (C) 2008, Colin Walters <walters@verbum.org>
+ * Copyright (C) 2008-2009, Benjamin Reed <rangerrick@befunk.com>
+ * Copyright (C) 2009, Jonas Bähr <jonas.baehr@web.de>
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <config.h>
+#include "dbus-server-launchd.h"
+
+/**
+ * @defgroup DBusServerLaunchd DBusServer implementations for Launchd
+ * @ingroup  DBusInternals
+ * @brief Implementation details of DBusServer with Launchd support
+ *
+ * @{
+ */
+
+#ifdef DBUS_ENABLE_LAUNCHD
+#include <launch.h>
+#include <errno.h>
+#include <unistd.h>
+
+#include "dbus-misc.h"
+#include "dbus-server-socket.h"
+#include "dbus-sysdeps-unix.h"
+
+/* put other private launchd functions here */
+
+#endif /* DBUS_ENABLE_LAUNCHD */
+
+/**
+ * @brief Creates a new server from launchd.
+ *
+ * launchd has allocaed a socket for us. We now query launchd for the
+ * file descriptor of this socket and create a server on it.
+ * In addition we inherit launchd's environment which holds a variable
+ * containing the path to the socket. This is used to init the server's
+ * address which is passed to autolaunched services.
+ *
+ * @param launchd_env_var the environment variable which holds the unix path to the socket
+ * @param error location to store reason for failure.
+ * @returns the new server, or #NULL on failure.
+ */
+
+DBusServer *
+_dbus_server_new_for_launchd (const char *launchd_env_var, DBusError * error)
+  {
+#ifdef DBUS_ENABLE_LAUNCHD
+    DBusServer *server;
+    DBusString address;
+    int launchd_fd = -1;
+    launch_data_t sockets_dict, checkin_response;
+    launch_data_t checkin_request;
+    launch_data_t listening_fd_array, listening_fd;
+    launch_data_t environment_dict, environment_param;
+    const char *launchd_socket_path, *display;
+
+    launchd_socket_path = _dbus_getenv (launchd_env_var);
+    display = _dbus_getenv ("DISPLAY");
+
+    _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+    if (launchd_socket_path == NULL || *launchd_socket_path == '\0')
+      {
+        dbus_set_error (error, DBUS_ERROR_BAD_ADDRESS,
+                        "launchd's environment variable %s is empty, but should contain a socket path.\n", launchd_env_var);
+        return NULL;
+      }
+
+    if (!_dbus_string_init (&address))
+      {
+        dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
+        return NULL;
+      }
+    if (!_dbus_string_append (&address, "unix:path="))
+      {
+        dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
+        goto l_failed_0;
+      }
+    if (!_dbus_string_append (&address, launchd_socket_path))
+      {
+        dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
+        goto l_failed_0;
+      }
+
+    if ((checkin_request = launch_data_new_string (LAUNCH_KEY_CHECKIN)) == NULL)
+      {
+        dbus_set_error (error, DBUS_ERROR_NO_MEMORY,
+                        "launch_data_new_string(\"%s\") Unable to create string.\n",
+                        LAUNCH_KEY_CHECKIN);
+        goto l_failed_0;
+      }
+
+    if ((checkin_response = launch_msg (checkin_request)) == NULL)
+      {
+        dbus_set_error (error, DBUS_ERROR_IO_ERROR,
+                        "launch_msg(\"%s\") IPC failure: %s\n",
+                        LAUNCH_KEY_CHECKIN, strerror (errno));
+        goto l_failed_0;
+      }
+
+    if (LAUNCH_DATA_ERRNO == launch_data_get_type (checkin_response))
+      {
+        dbus_set_error (error, DBUS_ERROR_FAILED, "Check-in failed: %s\n",
+                        strerror (launch_data_get_errno (checkin_response)));
+        goto l_failed_0;
+      }
+
+    sockets_dict =
+      launch_data_dict_lookup (checkin_response, LAUNCH_JOBKEY_SOCKETS);
+    if (NULL == sockets_dict)
+      {
+        dbus_set_error (error, DBUS_ERROR_IO_ERROR,
+                        "No sockets found to answer requests on!\n");
+        goto l_failed_0;
+      }
+
+    listening_fd_array =
+      launch_data_dict_lookup (sockets_dict, "unix_domain_listener");
+    if (NULL == listening_fd_array)
+      {
+        dbus_set_error (error, DBUS_ERROR_IO_ERROR,
+                        "No known sockets found to answer requests on!\n");
+        goto l_failed_0;
+      }
+
+    if (launch_data_array_get_count (listening_fd_array) != 1)
+      {
+        dbus_set_error (error, DBUS_ERROR_LIMITS_EXCEEDED,
+                        "Expected 1 socket from launchd, got %d.\n",
+                        launch_data_array_get_count (listening_fd_array));
+        goto l_failed_0;
+      }
+
+    listening_fd = launch_data_array_get_index (listening_fd_array, 0);
+    launchd_fd = launch_data_get_fd (listening_fd);
+
+    _dbus_fd_set_close_on_exec (launchd_fd);
+
+    if (launchd_fd < 0)
+      {
+        _DBUS_ASSERT_ERROR_IS_SET (error);
+        goto l_failed_0;
+  if (display == NULL || *display == '\0')
+    {
+      environment_dict = launch_data_dict_lookup (checkin_response, LAUNCH_JOBKEY_USERENVIRONMENTVARIABLES);
+      if (NULL == environment_dict)
+        {
+          _dbus_warn ("Unable to retrieve user environment from launchd.");
+        }
+      else
+        {
+          environment_param = launch_data_dict_lookup (environment_dict, "DISPLAY");
+          if (NULL == environment_param)
+            {
+              _dbus_warn ("Unable to retrieve DISPLAY from launchd.");
+            }
+          else
+            {
+              display = launch_data_get_string(environment_param);
+              dbus_setenv ("DISPLAY", display);
+            }
+        }
+    }
+
+      }
+
+    server = _dbus_server_new_for_socket (&launchd_fd, 1, &address, 0, error);
+    if (server == NULL)
+      {
+        goto l_failed_0;
+      }
+
+    _dbus_string_free (&address);
+
+    return server;
+
+  l_failed_0:
+    if (launchd_fd >= 0)
+      close (launchd_fd);
+
+    _dbus_string_free (&address);
+
+    return NULL;
+#else /* DBUS_ENABLE_LAUNCHD */
+    dbus_set_error (error, DBUS_ERROR_BAD_ADDRESS,
+                    "address type 'launchd' requested, but launchd support not compiled in");
+    return NULL;
+#endif
+  }
+
+/** @} */