332 lines
9.5 KiB
C
332 lines
9.5 KiB
C
/****************************************************************************
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* apps/nshlib/nsh_routecmds.c
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*
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* Copyright (C) 2013 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 <stdlib.h>
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#include <string.h>
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#include <net/route.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <apps/netutils/netlib.h>
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#include "nsh.h"
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#include "nsh_console.h"
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#if defined(CONFIG_NET) && defined(CONFIG_NET_ROUTE)
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Private Types
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****************************************************************************/
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/****************************************************************************
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* Private Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Private Data
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****************************************************************************/
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/****************************************************************************
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* Public Data
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****************************************************************************/
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: cmd_addroute
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*
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* nsh> addroute <target> <netmask> <router>
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*
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****************************************************************************/
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#ifndef CONFIG_NSH_DISABLE_ADDROUTE
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int cmd_addroute(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
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{
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#ifdef CONFIG_NET_IPv6
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struct sockaddr_in6 target;
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struct sockaddr_in6 netmask;
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struct sockaddr_in6 router;
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struct in6_addr inaddr;
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#else
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struct sockaddr_in target;
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struct sockaddr_in netmask;
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struct sockaddr_in router;
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struct in_addr inaddr;
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#endif
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int sockfd;
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int ret;
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/* NSH has already verified that there are exactly three arguments, so
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* we don't have to look at the argument list.
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*/
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/* We need to have a socket (any socket) in order to perform the ioctl */
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sockfd = socket(PF_INET, NETLIB_SOCK_IOCTL, 0);
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if (sockfd < 0)
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{
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nsh_output(vtbl, g_fmtcmdfailed, argv[0], "socket", NSH_ERRNO);
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return ERROR;
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}
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/* Convert the target IP address string into its binary form */
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#ifdef CONFIG_NET_IPv6
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ret = inet_pton(AF_INET6, argv[1], &inaddr);
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#else
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ret = inet_pton(AF_INET, argv[1], &inaddr);
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#endif
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if (ret != 1)
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{
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nsh_output(vtbl, g_fmtarginvalid, argv[0]);
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goto errout;
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}
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/* Format the target sockaddr instance */
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memset(&target, 0, sizeof(target));
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#ifdef CONFIG_NET_IPv6
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target.sin_family = AF_INET6;
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memcpy(&target.sin6_addr, &inaddr, sizeof(struct in6_addr));
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#else
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target.sin_family = AF_INET;
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target.sin_addr = inaddr;
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#endif
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/* Convert the netmask IP address string into its binary form */
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#ifdef CONFIG_NET_IPv6
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ret = inet_pton(AF_INET6, argv[2], &inaddr);
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#else
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ret = inet_pton(AF_INET, argv[2], &inaddr);
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#endif
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if (ret != 1)
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{
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nsh_output(vtbl, g_fmtarginvalid, argv[0]);
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goto errout;
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}
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/* Format the netmask sockaddr instance */
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memset(&netmask, 0, sizeof(netmask));
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#ifdef CONFIG_NET_IPv6
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netmask.sin_family = AF_INET6;
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memcpy(&netmask.sin6_addr, &inaddr, sizeof(struct in6_addr));
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#else
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netmask.sin_family = AF_INET;
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netmask.sin_addr = inaddr;
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#endif
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/* Convert the router IP address string into its binary form */
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#ifdef CONFIG_NET_IPv6
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ret = inet_pton(AF_INET6, argv[3], &inaddr);
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#else
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ret = inet_pton(AF_INET, argv[3], &inaddr);
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#endif
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if (ret != 1)
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{
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nsh_output(vtbl, g_fmtarginvalid, argv[0]);
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goto errout;
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}
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/* Format the router sockaddr instance */
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memset(&router, 0, sizeof(router));
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#ifdef CONFIG_NET_IPv6
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router.sin_family = AF_INET6;
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memcpy(&router.sin6_addr, &inaddr, sizeof(struct in6_addr));
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#else
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router.sin_family = AF_INET;
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router.sin_addr = inaddr;
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#endif
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/* Then add the route */
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ret = addroute(sockfd,
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(FAR struct sockaddr_storage *)&target,
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(FAR struct sockaddr_storage *)&netmask,
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(FAR struct sockaddr_storage *)&router);
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if (ret < 0)
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{
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nsh_output(vtbl, g_fmtcmdfailed, argv[0], "addroute", NSH_ERRNO);
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goto errout;
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}
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close(sockfd);
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return OK;
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errout:
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close(sockfd);
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return ERROR;
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}
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#endif /* !CONFIG_NSH_DISABLE_ADDROUTE */
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/****************************************************************************
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* Name: cmd_delroute
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*
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* nsh> delroute <target> <netmask>
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*
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****************************************************************************/
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#ifndef CONFIG_NSH_DISABLE_DELROUTE
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int cmd_delroute(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
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{
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#ifdef CONFIG_NET_IPv6
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struct sockaddr_in6 target;
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struct sockaddr_in6 netmask;
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struct in6_addr inaddr;
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#else
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struct sockaddr_in target;
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struct sockaddr_in netmask;
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struct in_addr inaddr;
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#endif
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int sockfd;
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int ret;
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/* NSH has already verified that there are exactly two arguments, so
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* we don't have to look at the argument list.
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*/
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/* We need to have a socket (any socket) in order to perform the ioctl */
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sockfd = socket(PF_INET, NETLIB_SOCK_IOCTL, 0);
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if (sockfd < 0)
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{
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nsh_output(vtbl, g_fmtcmdfailed, argv[0], "socket", NSH_ERRNO);
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return ERROR;
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}
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/* Convert the target IP address string into its binary form */
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#ifdef CONFIG_NET_IPv6
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ret = inet_pton(AF_INET6, argv[1], &inaddr);
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#else
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ret = inet_pton(AF_INET, argv[1], &inaddr);
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#endif
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if (ret != 1)
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{
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nsh_output(vtbl, g_fmtarginvalid, argv[0]);
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goto errout;
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}
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/* Format the target sockaddr instance */
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memset(&target, 0, sizeof(target));
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#ifdef CONFIG_NET_IPv6
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target.sin_family = AF_INET6;
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memcpy(&target.sin6_addr, &inaddr, sizeof(struct in6_addr));
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#else
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target.sin_family = AF_INET;
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target.sin_addr = inaddr;
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#endif
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/* Convert the netmask IP address string into its binary form */
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#ifdef CONFIG_NET_IPv6
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ret = inet_pton(AF_INET6, argv[2], &inaddr);
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#else
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ret = inet_pton(AF_INET, argv[2], &inaddr);
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#endif
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if (ret != 1)
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{
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nsh_output(vtbl, g_fmtarginvalid, argv[0]);
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goto errout;
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}
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/* Format the netmask sockaddr instance */
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memset(&netmask, 0, sizeof(netmask));
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#ifdef CONFIG_NET_IPv6
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netmask.sin_family = AF_INET6;
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memcpy(&netmask.sin6_addr, &inaddr, sizeof(struct in6_addr));
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#else
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netmask.sin_family = AF_INET;
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netmask.sin_addr = inaddr;
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#endif
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/* Then delete the route */
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ret = delroute(sockfd,
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(FAR struct sockaddr_storage *)&target,
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(FAR struct sockaddr_storage *)&netmask);
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if (ret < 0)
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{
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nsh_output(vtbl, g_fmtcmdfailed, argv[0], "addroute", NSH_ERRNO);
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goto errout;
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}
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close(sockfd);
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return OK;
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errout:
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close(sockfd);
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return ERROR;
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}
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#endif /* !CONFIG_NSH_DISABLE_DELROUTE */
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/****************************************************************************
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* Name: cmd_route
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*
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* nsh> route
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*
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****************************************************************************/
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#if !defined(CONFIG_NSH_DISABLE_DELROUTE) && !defined(CONFIG_NUTTX_KERNEL)
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/* Perhaps... someday. This would current depend on using the internal
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* OS interface net_foreachroute and internal OS data structrues defined
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* in nuttx/net/net_route.h
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*/
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#endif /* !CONFIG_NSH_DISABLE_DELROUTE && !CONFIG_NUTTX_KERNEL */
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#endif /* CONFIG_NET && CONFIG_NET_ROUTE */
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