+++ /dev/null
-/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
-/* dbus-server-unix.c Server implementation for Unix network protocols.
- *
- * Copyright (C) 2002, 2003, 2004 Red Hat Inc.
- *
- * Licensed under the Academic Free License version 2.1
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#include "dbus-internals.h"
-#include "dbus-server-unix.h"
-#include "dbus-server-socket.h"
-#include "dbus-transport-unix.h"
-#include "dbus-connection-internal.h"
-#include "dbus-sysdeps-unix.h"
-#include "dbus-string.h"
-
-/**
- * @defgroup DBusServerUnix DBusServer implementations for UNIX
- * @ingroup DBusInternals
- * @brief Implementation details of DBusServer on UNIX
- *
- * @{
- */
-
-/**
- * Tries to interpret the address entry in a platform-specific
- * way, creating a platform-specific server type if appropriate.
- * Sets error if the result is not OK.
- *
- * @param entry an address entry
- * @param server_p location to store a new DBusServer, or #NULL on failure.
- * @param error location to store rationale for failure on bad address
- * @returns the outcome
- *
- */
-DBusServerListenResult
-_dbus_server_listen_platform_specific (DBusAddressEntry *entry,
- DBusServer **server_p,
- DBusError *error)
-{
- const char *method;
-
- *server_p = NULL;
-
- method = dbus_address_entry_get_method (entry);
-
- if (strcmp (method, "unix") == 0)
- {
- const char *path = dbus_address_entry_get_value (entry, "path");
- const char *tmpdir = dbus_address_entry_get_value (entry, "tmpdir");
- const char *abstract = dbus_address_entry_get_value (entry, "abstract");
-
- if (path == NULL && tmpdir == NULL && abstract == NULL)
- {
- _dbus_set_bad_address(error, "unix",
- "path or tmpdir or abstract",
- NULL);
- return DBUS_SERVER_LISTEN_BAD_ADDRESS;
- }
-
- if ((path && tmpdir) ||
- (path && abstract) ||
- (tmpdir && abstract))
- {
- _dbus_set_bad_address(error, NULL, NULL,
- "cannot specify two of \"path\" and \"tmpdir\" and \"abstract\" at the same time");
- return DBUS_SERVER_LISTEN_BAD_ADDRESS;
- }
-
- if (tmpdir != NULL)
- {
- DBusString full_path;
- DBusString filename;
-
- if (!_dbus_string_init (&full_path))
- {
- dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
- return DBUS_SERVER_LISTEN_DID_NOT_CONNECT;
- }
-
- if (!_dbus_string_init (&filename))
- {
- _dbus_string_free (&full_path);
- dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
- return DBUS_SERVER_LISTEN_DID_NOT_CONNECT;
- }
-
- if (!_dbus_string_append (&filename,
- "dbus-") ||
- !_dbus_generate_random_ascii (&filename, 10) ||
- !_dbus_string_append (&full_path, tmpdir) ||
- !_dbus_concat_dir_and_file (&full_path, &filename))
- {
- _dbus_string_free (&full_path);
- _dbus_string_free (&filename);
- dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
- return DBUS_SERVER_LISTEN_DID_NOT_CONNECT;
- }
-
- /* Always use abstract namespace if possible with tmpdir */
-
- *server_p =
- _dbus_server_new_for_domain_socket (_dbus_string_get_const_data (&full_path),
-#ifdef HAVE_ABSTRACT_SOCKETS
- TRUE,
-#else
- FALSE,
-#endif
- error);
-
- _dbus_string_free (&full_path);
- _dbus_string_free (&filename);
- }
- else
- {
- if (path)
- *server_p = _dbus_server_new_for_domain_socket (path, FALSE, error);
- else
- *server_p = _dbus_server_new_for_domain_socket (abstract, TRUE, error);
- }
-
- if (*server_p != NULL)
- {
- _DBUS_ASSERT_ERROR_IS_CLEAR(error);
- return DBUS_SERVER_LISTEN_OK;
- }
- else
- {
- _DBUS_ASSERT_ERROR_IS_SET(error);
- return DBUS_SERVER_LISTEN_DID_NOT_CONNECT;
- }
- }
- else
- {
- /* If we don't handle the method, we return NULL with the
- * error unset
- */
- _DBUS_ASSERT_ERROR_IS_CLEAR(error);
- return DBUS_SERVER_LISTEN_NOT_HANDLED;
- }
-}
-
-/**
- * Creates a new server listening on the given Unix domain socket.
- *
- * @param path the path for the domain socket.
- * @param abstract #TRUE to use abstract socket namespace
- * @param error location to store reason for failure.
- * @returns the new server, or #NULL on failure.
- */
-DBusServer*
-_dbus_server_new_for_domain_socket (const char *path,
- dbus_bool_t abstract,
- DBusError *error)
-{
- DBusServer *server;
- int listen_fd;
- DBusString address;
- char *path_copy;
- DBusString path_str;
-
- _DBUS_ASSERT_ERROR_IS_CLEAR (error);
-
- if (!_dbus_string_init (&address))
- {
- dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
- return NULL;
- }
-
- _dbus_string_init_const (&path_str, path);
- if ((abstract &&
- !_dbus_string_append (&address, "unix:abstract=")) ||
- (!abstract &&
- !_dbus_string_append (&address, "unix:path=")) ||
- !_dbus_address_append_escaped (&address, &path_str))
- {
- dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
- goto failed_0;
- }
-
- path_copy = _dbus_strdup (path);
- if (path_copy == NULL)
- {
- dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
- goto failed_0;
- }
-
- listen_fd = _dbus_listen_unix_socket (path, abstract, error);
- _dbus_fd_set_close_on_exec (listen_fd);
-
- if (listen_fd < 0)
- {
- _DBUS_ASSERT_ERROR_IS_SET (error);
- goto failed_1;
- }
-
- server = _dbus_server_new_for_socket (&listen_fd, 1, &address);
- if (server == NULL)
- {
- dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
- goto failed_2;
- }
-
- _dbus_server_socket_own_filename(server, path_copy);
-
- _dbus_string_free (&address);
-
- return server;
-
- failed_2:
- _dbus_close_socket (listen_fd, NULL);
- failed_1:
- dbus_free (path_copy);
- failed_0:
- _dbus_string_free (&address);
-
- return NULL;
-}
-
-/** @} */
-
projects / monky / blobdiff