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/****************************************************************************
* apps/nshlib/nsh_routecmds.c
*
* Copyright (C) 2013 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdlib.h>
#include <string.h>
#include <net/route.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <apps/netutils/netlib.h>
#include "nsh.h"
#include "nsh_console.h"
#if defined(CONFIG_NET) && defined(CONFIG_NET_ROUTE)
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: cmd_addroute
*
* nsh> addroute <target> <netmask> <router>
*
****************************************************************************/
#ifndef CONFIG_NSH_DISABLE_ADDROUTE
int cmd_addroute(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
{
#ifdef CONFIG_NET_IPv6
struct sockaddr_in6 target;
struct sockaddr_in6 netmask;
struct sockaddr_in6 router;
struct in6_addr inaddr;
#else
struct sockaddr_in target;
struct sockaddr_in netmask;
struct sockaddr_in router;
struct in_addr inaddr;
#endif
int sockfd;
int ret;
/* NSH has already verified that there are exactly three arguments, so
* we don't have to look at the argument list.
*/
/* We need to have a socket (any socket) in order to perform the ioctl */
sockfd = socket(PF_INET, NETLIB_SOCK_IOCTL, 0);
if (sockfd < 0)
{
nsh_output(vtbl, g_fmtcmdfailed, argv[0], "socket", NSH_ERRNO);
return ERROR;
}
/* Convert the target IP address string into its binary form */
#ifdef CONFIG_NET_IPv6
ret = inet_pton(AF_INET6, argv[1], &inaddr);
#else
ret = inet_pton(AF_INET, argv[1], &inaddr);
#endif
if (ret != 1)
{
nsh_output(vtbl, g_fmtarginvalid, argv[0]);
goto errout;
}
/* Format the target sockaddr instance */
memset(&target, 0, sizeof(target));
#ifdef CONFIG_NET_IPv6
target.sin_family = AF_INET6;
memcpy(&target.sin6_addr, &inaddr, sizeof(struct in6_addr));
#else
target.sin_family = AF_INET;
target.sin_addr = inaddr;
#endif
/* Convert the netmask IP address string into its binary form */
#ifdef CONFIG_NET_IPv6
ret = inet_pton(AF_INET6, argv[2], &inaddr);
#else
ret = inet_pton(AF_INET, argv[2], &inaddr);
#endif
if (ret != 1)
{
nsh_output(vtbl, g_fmtarginvalid, argv[0]);
goto errout;
}
/* Format the netmask sockaddr instance */
memset(&netmask, 0, sizeof(netmask));
#ifdef CONFIG_NET_IPv6
netmask.sin_family = AF_INET6;
memcpy(&netmask.sin6_addr, &inaddr, sizeof(struct in6_addr));
#else
netmask.sin_family = AF_INET;
netmask.sin_addr = inaddr;
#endif
/* Convert the router IP address string into its binary form */
#ifdef CONFIG_NET_IPv6
ret = inet_pton(AF_INET6, argv[3], &inaddr);
#else
ret = inet_pton(AF_INET, argv[3], &inaddr);
#endif
if (ret != 1)
{
nsh_output(vtbl, g_fmtarginvalid, argv[0]);
goto errout;
}
/* Format the router sockaddr instance */
memset(&router, 0, sizeof(router));
#ifdef CONFIG_NET_IPv6
router.sin_family = AF_INET6;
memcpy(&router.sin6_addr, &inaddr, sizeof(struct in6_addr));
#else
router.sin_family = AF_INET;
router.sin_addr = inaddr;
#endif
/* Then add the route */
ret = addroute(sockfd,
(FAR struct sockaddr_storage *)&target,
(FAR struct sockaddr_storage *)&netmask,
(FAR struct sockaddr_storage *)&router);
if (ret < 0)
{
nsh_output(vtbl, g_fmtcmdfailed, argv[0], "addroute", NSH_ERRNO);
goto errout;
}
close(sockfd);
return OK;
errout:
close(sockfd);
return ERROR;
}
#endif /* !CONFIG_NSH_DISABLE_ADDROUTE */
/****************************************************************************
* Name: cmd_delroute
*
* nsh> delroute <target> <netmask>
*
****************************************************************************/
#ifndef CONFIG_NSH_DISABLE_DELROUTE
int cmd_delroute(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
{
#ifdef CONFIG_NET_IPv6
struct sockaddr_in6 target;
struct sockaddr_in6 netmask;
struct in6_addr inaddr;
#else
struct sockaddr_in target;
struct sockaddr_in netmask;
struct in_addr inaddr;
#endif
int sockfd;
int ret;
/* NSH has already verified that there are exactly two arguments, so
* we don't have to look at the argument list.
*/
/* We need to have a socket (any socket) in order to perform the ioctl */
sockfd = socket(PF_INET, NETLIB_SOCK_IOCTL, 0);
if (sockfd < 0)
{
nsh_output(vtbl, g_fmtcmdfailed, argv[0], "socket", NSH_ERRNO);
return ERROR;
}
/* Convert the target IP address string into its binary form */
#ifdef CONFIG_NET_IPv6
ret = inet_pton(AF_INET6, argv[1], &inaddr);
#else
ret = inet_pton(AF_INET, argv[1], &inaddr);
#endif
if (ret != 1)
{
nsh_output(vtbl, g_fmtarginvalid, argv[0]);
goto errout;
}
/* Format the target sockaddr instance */
memset(&target, 0, sizeof(target));
#ifdef CONFIG_NET_IPv6
target.sin_family = AF_INET6;
memcpy(&target.sin6_addr, &inaddr, sizeof(struct in6_addr));
#else
target.sin_family = AF_INET;
target.sin_addr = inaddr;
#endif
/* Convert the netmask IP address string into its binary form */
#ifdef CONFIG_NET_IPv6
ret = inet_pton(AF_INET6, argv[2], &inaddr);
#else
ret = inet_pton(AF_INET, argv[2], &inaddr);
#endif
if (ret != 1)
{
nsh_output(vtbl, g_fmtarginvalid, argv[0]);
goto errout;
}
/* Format the netmask sockaddr instance */
memset(&netmask, 0, sizeof(netmask));
#ifdef CONFIG_NET_IPv6
netmask.sin_family = AF_INET6;
memcpy(&netmask.sin6_addr, &inaddr, sizeof(struct in6_addr));
#else
netmask.sin_family = AF_INET;
netmask.sin_addr = inaddr;
#endif
/* Then delete the route */
ret = delroute(sockfd,
(FAR struct sockaddr_storage *)&target,
(FAR struct sockaddr_storage *)&netmask);
if (ret < 0)
{
nsh_output(vtbl, g_fmtcmdfailed, argv[0], "addroute", NSH_ERRNO);
goto errout;
}
close(sockfd);
return OK;
errout:
close(sockfd);
return ERROR;
}
#endif /* !CONFIG_NSH_DISABLE_DELROUTE */
/****************************************************************************
* Name: cmd_route
*
* nsh> route
*
****************************************************************************/
#if !defined(CONFIG_NSH_DISABLE_DELROUTE) && !defined(CONFIG_NUTTX_KERNEL)
/* Perhaps... someday. This would current depend on using the internal
* OS interface net_foreachroute and internal OS data structrues defined
* in nuttx/net/net_route.h
*/
#endif /* !CONFIG_NSH_DISABLE_DELROUTE && !CONFIG_NUTTX_KERNEL */
#endif /* CONFIG_NET && CONFIG_NET_ROUTE */
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