141 lines
4.6 KiB
C
141 lines
4.6 KiB
C
/****************************************************************************
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* net/route/net_add_fileroute.c
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*
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* Copyright (C) 2013, 2015, 2017 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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#include <fcntl.h>
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#include <string.h>
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#include <errno.h>
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#include <debug.h>
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#include <nuttx/fs/fs.h>
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#include <nuttx/net/ip.h>
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#include "route/fileroute.h"
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#include "route/route.h"
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#if defined(CONFIG_ROUTE_IPv4_FILEROUTE) || defined(CONFIG_ROUTE_IPv6_FILEROUTE)
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: net_addroute_ipv4 and net_addroute_ipv6
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*
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* Description:
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* Add a new route to the routing table
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*
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* Input Parameters:
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*
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* Returned Value:
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* OK on success; Negated errno on failure.
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*
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****************************************************************************/
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#ifdef CONFIG_ROUTE_IPv4_FILEROUTE
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int net_addroute_ipv4(in_addr_t target, in_addr_t netmask, in_addr_t router)
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{
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struct net_route_ipv4_s route;
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struct file fshandle;
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ssize_t nwritten;
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int ret;
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/* Format the new routing table entry */
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net_ipv4addr_copy(route.target, target);
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net_ipv4addr_copy(route.netmask, netmask);
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net_ipv4addr_copy(route.router, router);
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net_ipv4_dumproute("New route", &route);
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/* Open the IPv4 routing table for append access */
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ret = net_openroute_ipv4(O_WRONLY | O_APPEND | O_CREAT, &fshandle);
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if (ret < 0)
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{
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nerr("ERROR: Could not open IPv4 routing table: %d\n", ret);
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return ret;
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}
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/* Then append the new entry to the end of the routing table */
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nwritten = net_writeroute_ipv4(&fshandle, &route);
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net_closeroute_ipv4(&fshandle);
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return nwritten >= 0 ? 0 : (int)nwritten;
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}
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#endif
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#ifdef CONFIG_ROUTE_IPv6_FILEROUTE
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int net_addroute_ipv6(net_ipv6addr_t target, net_ipv6addr_t netmask,
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net_ipv6addr_t router)
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{
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struct net_route_ipv6_s route;
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struct file fshandle;
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ssize_t nwritten;
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int ret;
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/* Format the new routing table entry */
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net_ipv6addr_copy(route.target, target);
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net_ipv6addr_copy(route.netmask, netmask);
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net_ipv6addr_copy(route.router, router);
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net_ipv6_dumproute("New route", &route);
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/* Open the IPv6 routing table for append access */
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ret = net_openroute_ipv6(O_WRONLY | O_APPEND | O_CREAT, &fshandle);
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if (ret < 0)
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{
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nerr("ERROR: Could not open IPv6 routing table: %d\n", ret);
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return ret;
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}
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/* Then append the new entry to the end of the routing table */
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nwritten = net_writeroute_ipv6(&fshandle, &route);
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net_closeroute_ipv6(&fshandle);
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return nwritten >= 0 ? 0 : (int)nwritten;
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}
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#endif
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#endif /* CONFIG_ROUTE_IPv4_FILEROUTE || CONFIG_ROUTE_IPv6_FILEROUTE */
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