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/* -*- 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.
*
* SPDX-License-Identifier: AFL-2.1 OR GPL-2.0-or-later
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include <config.h>
#include "dbus-internals.h"
#include "dbus-server-socket.h"
#include "dbus-server-launchd.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, "systemd") == 0)
{
int i, n;
DBusSocket *fds;
DBusString address;
n = _dbus_listen_systemd_sockets (&fds, error);
if (n < 0)
{
_DBUS_ASSERT_ERROR_IS_SET (error);
return DBUS_SERVER_LISTEN_DID_NOT_CONNECT;
}
if (!_dbus_string_init (&address))
goto systemd_oom;
for (i = 0; i < n; i++)
{
if (i > 0)
{
if (!_dbus_string_append (&address, ";"))
goto systemd_oom;
}
if (!_dbus_append_address_from_socket (fds[i], &address, error))
goto systemd_err;
}
*server_p = _dbus_server_new_for_socket (fds, n, &address, NULL, error);
if (*server_p == NULL)
goto systemd_err;
dbus_free (fds);
_dbus_string_free (&address);
return DBUS_SERVER_LISTEN_OK;
systemd_oom:
_DBUS_SET_OOM (error);
systemd_err:
for (i = 0; i < n; i++)
{
_dbus_close_socket (&fds[i], NULL);
}
dbus_free (fds);
_dbus_string_free (&address);
return DBUS_SERVER_LISTEN_DID_NOT_CONNECT;
}
#ifdef DBUS_ENABLE_LAUNCHD
else if (strcmp (method, "launchd") == 0)
{
const char *launchd_env_var = dbus_address_entry_get_value (entry, "env");
if (launchd_env_var == NULL)
{
_dbus_set_bad_address (error, "launchd", "env", NULL);
return DBUS_SERVER_LISTEN_DID_NOT_CONNECT;
}
*server_p = _dbus_server_new_for_launchd (launchd_env_var, 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;
}
}
#endif
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;
}
}
/** @} */
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