netutils/netlib: Add one wireless IOCTL wrapper. For now, this is just a test to be sure that the wireless IOCTL definitions are in place.
This commit is contained in:
Gregory Nutt
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fca6da8248
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0cb844e790
@ -3,7 +3,7 @@
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* Various non-standard APIs to support netutils. All non-standard and
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* intended only for internal use.
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*
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* Copyright (C) 2007, 2009, 2011m 2015 Gregory Nutt. All rights reserved.
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* Copyright (C) 2007, 2009, 2011, 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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* Some of these APIs derive from uIP. uIP also has a BSD style license:
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@ -135,6 +135,10 @@ uint8_t netlib_ipv6netmask2prefix(FAR const uint16_t *mask);
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void netlib_prefix2ipv6netmask(uint8_t preflen, FAR struct in6_addr *netmask);
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#endif
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#ifdef CONFIG_NETDEV_WIRELESS_IOCTL
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int netlib_setessid(FAR const char *ifname, FAR const char *essid);
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#endif
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#ifdef CONFIG_NET_ARP
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/* ARP Table Support */
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@ -74,6 +74,12 @@ CSRCS += netlib_server.c netlib_listenon.c
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endif
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endif
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# These require wireless IOCTL support */
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ifeq ($(CONFIG_NETDEV_WIRELESS_IOCTL),y)
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CSRCS += netlib_setessid.c
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endif
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# No MAC address support for SLIP (Ethernet only)
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ifeq ($(CONFIG_NET_ETHERNET),y)
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128
netutils/netlib/netlib_setessid.c
Normal file
128
netutils/netlib/netlib_setessid.c
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@ -0,0 +1,128 @@
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/****************************************************************************
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* netutils/netlib/netlib_setessid.c
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*
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* Copyright (C) 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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#if defined(CONFIG_NET) && CONFIG_NSOCKET_DESCRIPTORS > 0
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <stdint.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include <netinet/in.h>
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#include <net/if.h>
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#include <nuttx/wireless/wireless.h>
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#include "netutils/netlib.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* The address family that we used to create the socket and in the IOCTL
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* data really does not matter. It should, however, be valid in the current
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* configuration.
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*/
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#if defined(CONFIG_NET_IPv4)
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# define PF_INETX PF_INET
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# define AF_INETX AF_INET
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#elif defined(CONFIG_NET_IPv6)
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# define PF_INETX PF_INET6
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# define AF_INETX AF_INET6
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: netlib_setessid
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*
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* Description:
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* Set the wireless access point ESSID
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*
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* Parameters:
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* ifname The name of the interface to use
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* essid MAC address to set, size must be IFHWADDRLEN
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*
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* Return:
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* 0 on success; -1 on failure
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*
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****************************************************************************/
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int netlib_setessid(FAR const char *ifname, FAR const char *essid)
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{
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int ret = ERROR;
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if (ifname != NULL && essid != NULL)
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{
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/* Get a socket (only so that we get access to the INET subsystem) */
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int sockfd = socket(PF_INETX, NETLIB_SOCK_IOCTL, 0);
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if (sockfd >= 0)
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{
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struct iwreq req;
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/* Put the driver name into the request */
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strncpy(req.ifrn_name, ifname, IFNAMSIZ);
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/* Put the new ESSID into the request */
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req.u.essid.pointer = (FAR void *)essid;
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req.u.essid.length = strlen(essid) + 1;
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req.u.essid.flags = 1;
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/* Perform the ioctl to set the MAC address */
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ret = ioctl(sockfd, SIOCSIWESSID, (unsigned long)&req);
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close(sockfd);
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}
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}
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return ret;
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}
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#endif /* CONFIG_NET && CONFIG_NSOCKET_DESCRIPTORS */
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