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857158451b
nuttx-apps/nshlib/nsh_netcmds.c
Xiang Xiao 857158451b Unify the void cast usage 
1.Remove void cast for function because many place ignore the returned value witout cast
2.Replace void cast for variable with UNUSED macro

Change-Id: Ie644129a563244a6397036789c4c3ea83c4e9b09
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2020-01-02 23:21:01 +08:00

1427 lines
34 KiB
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/****************************************************************************
* apps/nshlib/nsh_netcmds.c
*
* Copyright (C) 2007-2012, 2014-2015, 2017 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>
#ifdef CONFIG_NET
#include <nuttx/compiler.h>
#include <sys/stat.h> /* Needed for open */
#include <stdint.h>
#include <stdbool.h>
#include <stdio.h>
#include <inttypes.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sched.h>
#include <fcntl.h> /* Needed for open */
#include <dirent.h>
#include <libgen.h> /* Needed for basename */
#include <errno.h>
#include <debug.h>
#if defined(CONFIG_LIBC_NETDB) && defined(CONFIG_NETDB_DNSCLIENT)
# ifndef CONFIG_NSH_DISABLE_NSLOOKUP
# include <netdb.h>
# endif
#endif
#include <net/ethernet.h>
#include <net/if.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <netinet/ether.h>
#include <nuttx/irq.h>
#include <nuttx/clock.h>
#include <nuttx/net/net.h>
#include <nuttx/net/netdev.h>
#include <nuttx/net/netstats.h>
#include <nuttx/net/ip.h>
#include <nuttx/net/icmp.h>
#include <nuttx/net/icmpv6.h>
#ifdef CONFIG_NET_6LOWPAN
# include <nuttx/net/sixlowpan.h>
# ifdef CONFIG_WIRELESS_PKTRADIO
# include <nuttx/wireless/pktradio.h>
# endif
#endif
#ifdef CONFIG_NETLINK_ROUTE
# include <nuttx/net/arp.h>
#endif
#ifdef CONFIG_NETUTILS_NETLIB
# include "netutils/netlib.h"
#endif
#ifdef CONFIG_NET_UDP
# include "netutils/netlib.h"
# if !defined(CONFIG_NSH_DISABLE_GET) || !defined(CONFIG_NSH_DISABLE_PUT)
# include "netutils/tftp.h"
# endif
#endif
#ifdef CONFIG_NET_TCP
# ifndef CONFIG_NSH_DISABLE_WGET
# include "netutils/webclient.h"
# endif
#endif
#if defined(CONFIG_NETINIT_DHCPC) || defined(CONFIG_NETINIT_DNS)
# include "netutils/dhcpc.h"
#endif
#include "nsh.h"
#include "nsh_console.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#undef HAVE_HWADDR
#undef HAVE_EADDR
#undef HAVE_RADIOADDR
#if defined(CONFIG_NET_ETHERNET)
# define HAVE_HWADDR 1
#elif defined(CONFIG_NET_6LOWPAN)
# if defined(CONFIG_WIRELESS_IEEE802154)
# define HAVE_HWADDR 1
# define HAVE_EADDR 1
# elif defined(CONFIG_WIRELESS_PKTRADIO)
# define HAVE_HWADDR 1
# define HAVE_RADIOADDR 1
# endif
#endif
/* Get the larger value */
#ifndef MAX
# define MAX(a,b) (a > b ? a : b)
#endif
/****************************************************************************
* Private Types
****************************************************************************/
/* Describes the MAC address of the selected device */
#ifdef HAVE_HWADDR
#if defined(CONFIG_NET_ETHERNET)
typedef uint8_t mac_addr_t[IFHWADDRLEN];
#elif defined(HAVE_EADDR)
typedef uint8_t mac_addr_t[8];
#elif defined(HAVE_RADIOADDR)
typedef struct pktradio_addr_s mac_addr_t;
#endif
#endif
#ifdef CONFIG_NET_UDP
struct tftpc_args_s
{
bool binary; /* true:binary ("octet") false:text ("netascii") */
bool allocated; /* true: destpath is allocated */
FAR char *destpath; /* Path at destination */
FAR const char *srcpath; /* Path at src */
in_addr_t ipaddr; /* Host IP address */
};
#endif
typedef int (*nsh_netdev_callback_t)(FAR struct nsh_vtbl_s *vtbl,
FAR char *devname);
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: net_statistics
****************************************************************************/
#if defined(CONFIG_NET_STATISTICS) && defined(CONFIG_FS_PROCFS) && \
!defined(CONFIG_FS_PROCFS_EXCLUDE_NET) && \
!defined(CONFIG_NSH_DISABLE_IFCONFIG)
static inline void net_statistics(FAR struct nsh_vtbl_s *vtbl)
{
nsh_catfile(vtbl, "ifconfig", CONFIG_NSH_PROC_MOUNTPOINT "/net/stat");
}
#else
# define net_statistics(vtbl)
#endif
/****************************************************************************
* Name: ifconfig_callback
****************************************************************************/
#if !defined(CONFIG_NSH_DISABLE_IFUPDOWN) || !defined(CONFIG_NSH_DISABLE_IFCONFIG)
static int ifconfig_callback(FAR struct nsh_vtbl_s *vtbl, FAR char *devname)
{
char buffer[IFNAMSIZ + 12];
DEBUGASSERT(vtbl != NULL && devname != NULL);
/* Construct the full path to the /proc/net entry for this device */
snprintf(buffer, IFNAMSIZ + 12, CONFIG_NSH_PROC_MOUNTPOINT "/net/%s", devname);
nsh_catfile(vtbl, "ifconfig", buffer);
return OK;
}
#endif /* !CONFIG_NSH_DISABLE_IFUPDOWN || !CONFIG_NSH_DISABLE_IFCONFIG */
/****************************************************************************
* Name: tftpc_parseargs
****************************************************************************/
#ifdef CONFIG_NET_UDP
int tftpc_parseargs(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv,
struct tftpc_args_s *args)
{
FAR const char *fmt = g_fmtarginvalid;
bool badarg = false;
int option;
/* Get the get/put options */
memset(args, 0, sizeof(struct tftpc_args_s));
while ((option = getopt(argc, argv, ":bnf:h:")) != ERROR)
{
switch (option)
{
case 'b':
args->binary = true;
break;
case 'n':
args->binary = false;
break;
case 'f':
args->destpath = optarg;
break;
case 'h':
if (!netlib_ipv4addrconv(optarg, (FAR unsigned char*)&args->ipaddr))
{
nsh_error(vtbl, g_fmtarginvalid, argv[0]);
badarg = true;
}
break;
case ':':
nsh_error(vtbl, g_fmtargrequired, argv[0]);
badarg = true;
break;
case '?':
default:
nsh_error(vtbl, g_fmtarginvalid, argv[0]);
badarg = true;
break;
}
}
/* If a bad argument was encountered, then return without processing the command */
if (badarg)
{
return ERROR;
}
/* There should be exactly one parameter left on the command-line */
if (optind == argc - 1)
{
args->srcpath = argv[optind];
}
/* optind == argc means that there is nothing left on the command-line */
else if (optind >= argc)
{
fmt = g_fmtargrequired;
goto errout;
}
/* optind < argc - 1 means that there are too many arguments on the
* command-line
*/
else
{
fmt = g_fmttoomanyargs;
goto errout;
}
/* The HOST IP address is also required */
if (args->ipaddr == 0)
{
fmt = g_fmtargrequired;
goto errout;
}
/* If the destpath was not provided, then we have do a little work. */
if (args->destpath == NULL)
{
FAR char *tmp1;
FAR char *tmp2;
/* Copy the srcpath... baseanme might modify it */
fmt = g_fmtcmdoutofmemory;
tmp1 = strdup(args->srcpath);
if (tmp1 == NULL)
{
goto errout;
}
/* Get the basename of the srcpath */
tmp2 = basename(tmp1);
if (tmp2 == NULL)
{
free(tmp1);
goto errout;
}
/* Use that basename as the destpath */
args->destpath = strdup(tmp2);
free(tmp1);
if (args->destpath == NULL)
{
goto errout;
}
args->allocated = true;
}
return OK;
errout:
nsh_output(vtbl, fmt, argv[0]);
return ERROR;
}
#endif
/****************************************************************************
* Name: wget_callback
****************************************************************************/
#ifdef CONFIG_NET_TCP
#ifndef CONFIG_NSH_DISABLE_WGET
static void wget_callback(FAR char **buffer, int offset, int datend,
FAR int *buflen, FAR void *arg)
{
write((int)((intptr_t)arg), &((*buffer)[offset]), datend - offset);
}
#endif
#endif
/****************************************************************************
* Name: nsh_foreach_netdev
****************************************************************************/
#if !defined(CONFIG_NSH_DISABLE_IFUPDOWN) || !defined(CONFIG_NSH_DISABLE_IFCONFIG)
static int nsh_foreach_netdev(nsh_netdev_callback_t callback,
FAR struct nsh_vtbl_s *vtbl,
FAR char *cmd)
{
FAR struct dirent *entry;
FAR DIR *dir;
int ret = OK;
/* Open the /proc/net directory */
dir = opendir(CONFIG_NSH_PROC_MOUNTPOINT "/net");
if (dir == NULL)
{
nsh_error(vtbl, g_fmtcmdfailed, cmd, "opendir", NSH_ERRNO);
return ERROR;
}
/* Look for device configuration "regular" files */
while ((entry = readdir(dir)) != NULL)
{
/* Skip anything that is not a regular file and skip the file
* /proc/dev/stat which does not correspond to a network driver.
*/
if (entry->d_type == DTYPE_FILE &&
strcmp(entry->d_name, "stat") != 0)
{
/* Performt he callback. It returns any non-zero value, then
* terminate the serach.
*/
ret = callback(vtbl, entry->d_name);
if (ret != OK)
{
break;
}
}
}
/* Close the directory */
closedir(dir);
return ret;
}
#endif
/****************************************************************************
* Name: nsh_addrconv
****************************************************************************/
#ifdef HAVE_HWADDR
static inline bool nsh_addrconv(FAR const char *hwstr, FAR mac_addr_t *macaddr)
{
/* REVISIT: How will we handle Ethernet and SLIP networks together? */
#if defined(CONFIG_NET_ETHERNET)
return !netlib_ethaddrconv(hwstr, *macaddr);
#elif defined(HAVE_EADDR)
return !netlib_eaddrconv(hwstr, *macaddr);
#elif defined(HAVE_RADIOADDR)
return !netlib_nodeaddrconv(hwstr, macaddr);
#else
return -ENOSUPP;
#endif
}
#endif
/****************************************************************************
* Name: nsh_sethwaddr
****************************************************************************/
#ifdef HAVE_HWADDR
static inline void nsh_sethwaddr(FAR const char *ifname, FAR mac_addr_t *macaddr)
{
#if defined(CONFIG_NET_ETHERNET)
netlib_setmacaddr(ifname, *macaddr);
#elif defined(HAVE_EADDR)
netlib_seteaddr(ifname, *macaddr);
#elif defined(HAVE_RADIOADDR)
netlib_setnodeaddr(ifname, macaddr);
#endif
}
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: cmd_get
****************************************************************************/
#ifdef CONFIG_NET_UDP
#ifndef CONFIG_NSH_DISABLE_GET
int cmd_get(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
{
struct tftpc_args_s args;
FAR char *fullpath;
/* Parse the input parameter list */
if (tftpc_parseargs(vtbl, argc, argv, &args) != OK)
{
return ERROR;
}
/* Get the full path to the local file */
fullpath = nsh_getfullpath(vtbl, args.destpath);
/* Then perform the TFTP get operation */
if (tftpget(args.srcpath, fullpath, args.ipaddr, args.binary) != OK)
{
nsh_error(vtbl, g_fmtcmdfailed, argv[0], "tftpget", NSH_ERRNO);
}
/* Release any allocated memory */
if (args.allocated)
{
free(args.destpath);
}
free(fullpath);
return OK;
}
#endif
#endif
/****************************************************************************
* Name: cmd_ifup
****************************************************************************/
#ifndef CONFIG_NSH_DISABLE_IFUPDOWN
int cmd_ifup(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
{
FAR char *ifname = NULL;
int ret;
if (argc != 2)
{
nsh_output(vtbl, "Please select ifname:\n");
return nsh_foreach_netdev(ifconfig_callback, vtbl, "ifup");
}
ifname = argv[1];
ret = netlib_ifup(ifname);
nsh_output(vtbl, "ifup %s...%s\n", ifname, (ret == OK) ? "OK" : "Failed");
return ret;
}
#endif
/****************************************************************************
* Name: cmd_ifdown
****************************************************************************/
#ifndef CONFIG_NSH_DISABLE_IFUPDOWN
int cmd_ifdown(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
{
FAR char *ifname = NULL;
int ret;
if (argc != 2)
{
nsh_output(vtbl, "Please select ifname:\n");
return nsh_foreach_netdev(ifconfig_callback, vtbl, "ifdown");
}
ifname = argv[1];
ret = netlib_ifdown(ifname);
nsh_output(vtbl, "ifdown %s...%s\n", ifname, (ret == OK) ? "OK" : "Failed");
return ret;
}
#endif
/****************************************************************************
* Name: cmd_ifconfig
****************************************************************************/
#ifndef CONFIG_NSH_DISABLE_IFCONFIG
int cmd_ifconfig(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
{
#ifdef CONFIG_NET_IPv4
struct in_addr addr;
in_addr_t gip = INADDR_ANY;
#endif
#ifdef CONFIG_NET_IPv6
struct in6_addr addr6;
#endif
int i;
FAR char *ifname = NULL;
FAR char *hostip = NULL;
FAR char *gwip = NULL;
FAR char *mask = NULL;
FAR char *tmp = NULL;
#ifdef HAVE_HWADDR
FAR char *hw = NULL;
#endif
#if defined(CONFIG_NETINIT_DHCPC) || defined(CONFIG_NETINIT_DNS)
FAR char *dns = NULL;
#endif
#if defined(CONFIG_NET_IPv4) && defined(CONFIG_NET_IPv6)
bool inet6 = false;
#endif
bool missingarg = true;
bool badarg = false;
#ifdef HAVE_HWADDR
mac_addr_t macaddr;
#endif
#if defined(CONFIG_NETINIT_DHCPC)
FAR void *handle;
#endif
int ret;
/* With one or no arguments, ifconfig simply shows the status of the
* network device:
*
* ifconfig
* ifconfig [interface]
*/
if (argc <= 2)
{
ret = nsh_foreach_netdev(ifconfig_callback, vtbl, "ifconfig");
if (ret < 0)
{
return ERROR;
}
net_statistics(vtbl);
return OK;
}
/* If both the network interface name and an IP address are supplied as
* arguments, then ifconfig will set the address of the Ethernet device:
*
* ifconfig ifname [ip_address] [named options]
*/
if (argc > 2)
{
for (i = 1; i < argc; i++)
{
if (i == 1)
{
ifname = argv[i];
missingarg = false;
}
else
{
tmp = argv[i];
if (!strcmp(tmp, "dr") || !strcmp(tmp, "gw") ||
!strcmp(tmp, "gateway"))
{
if (argc - 1 >= i + 1)
{
gwip = argv[i + 1];
i++;
}
else
{
badarg = true;
}
}
else if (!strcmp(tmp, "netmask"))
{
if (argc - 1 >= i + 1)
{
mask = argv[i + 1];
i++;
}
else
{
badarg = true;
}
}
else if (!strcmp(tmp, "inet"))
{
#if defined(CONFIG_NET_IPv4) && defined(CONFIG_NET_IPv6)
inet6 = false;
#elif !defined(CONFIG_NET_IPv4)
badarg = true;
#endif
}
else if (!strcmp(tmp, "inet6"))
{
#if defined(CONFIG_NET_IPv4) && defined(CONFIG_NET_IPv6)
inet6 = true;
#elif !defined(CONFIG_NET_IPv6)
badarg = true;
#endif
}
#ifdef HAVE_HWADDR
/* REVISIT: How will we handle Ethernet and SLIP networks together? */
else if (!strcmp(tmp, "hw"))
{
if (argc - 1 >= i + 1)
{
hw = argv[i + 1];
i++;
badarg = nsh_addrconv(hw, &macaddr);
}
else
{
badarg = true;
}
}
#endif
#if defined(CONFIG_NETINIT_DHCPC) || defined(CONFIG_NETINIT_DNS)
else if (!strcmp(tmp, "dns"))
{
if (argc - 1 >= i + 1)
{
dns = argv[i + 1];
i++;
}
else
{
badarg = true;
}
}
#endif
else if (i == 2)
{
hostip = tmp;
}
else
{
badarg = true;
}
}
}
}
if (missingarg)
{
nsh_error(vtbl, g_fmtargrequired, argv[0]);
return ERROR;
}
if (badarg)
{
nsh_error(vtbl, g_fmtarginvalid, argv[0]);
return ERROR;
}
#ifdef HAVE_HWADDR
/* Set Hardware Ethernet MAC address */
/* REVISIT: How will we handle Ethernet and SLIP networks together? */
if (hw != NULL)
{
ninfo("HW MAC: %s\n", hw);
nsh_sethwaddr(ifname, &macaddr);
}
#endif
/* Set IP address */
#ifdef CONFIG_NET_IPv6
#ifdef CONFIG_NET_IPv4
if (inet6)
#endif
{
if (hostip != NULL)
{
/* REVISIT: Should DHCPC check be used here too? */
ninfo("Host IP: %s\n", hostip);
inet_pton(AF_INET6, hostip, &addr6);
}
netlib_set_ipv6addr(ifname, &addr6);
}
#endif /* CONFIG_NET_IPv6 */
#ifdef CONFIG_NET_IPv4
#ifdef CONFIG_NET_IPv6
else
#endif
{
if (hostip != NULL)
{
#if defined(CONFIG_NETINIT_DHCPC)
if (strcmp(hostip, "dhcp") == 0)
{
/* Set DHCP addr */
ninfo("DHCPC Mode\n");
addr.s_addr = 0;
gip = 0;
}
else
#endif
{
/* Set host IP address */
ninfo("Host IP: %s\n", hostip);
addr.s_addr = inet_addr(hostip);
gip = addr.s_addr;
}
}
netlib_set_ipv4addr(ifname, &addr);
}
#endif /* CONFIG_NET_IPv4 */
/* Set gateway */
#ifdef CONFIG_NET_IPv6
#ifdef CONFIG_NET_IPv4
if (inet6)
#endif
{
/* Only set the gateway address if it was explicitly provided. */
if (gwip != NULL)
{
ninfo("Gateway: %s\n", gwip);
inet_pton(AF_INET6, gwip, &addr6);
netlib_set_dripv6addr(ifname, &addr6);
}
}
#endif /* CONFIG_NET_IPv6 */
#ifdef CONFIG_NET_IPv4
#ifdef CONFIG_NET_IPv6
else
#endif
{
if (gwip != NULL)
{
ninfo("Gateway: %s\n", gwip);
gip = addr.s_addr = inet_addr(gwip);
}
else
{
if (gip != 0)
{
ninfo("Gateway: default\n");
gip = NTOHL(gip);
gip &= ~0x000000ff;
gip |= 0x00000001;
gip = HTONL(gip);
}
addr.s_addr = gip;
}
netlib_set_dripv4addr(ifname, &addr);
}
#endif /* CONFIG_NET_IPv4 */
/* Set network mask */
#ifdef CONFIG_NET_IPv6
#ifdef CONFIG_NET_IPv4
if (inet6)
#endif
{
if (mask != NULL)
{
ninfo("Netmask: %s\n",mask);
inet_pton(AF_INET6, mask, &addr6);
}
else
{
ninfo("Netmask: Default\n");
inet_pton(AF_INET6, "ffff:ffff:ffff:ffff::", &addr6);
}
netlib_set_ipv6netmask(ifname, &addr6);
}
#endif /* CONFIG_NET_IPv6 */
#ifdef CONFIG_NET_IPv4
#ifdef CONFIG_NET_IPv6
else
#endif
{
if (mask != NULL)
{
ninfo("Netmask: %s\n", mask);
addr.s_addr = inet_addr(mask);
}
else
{
ninfo("Netmask: Default\n");
addr.s_addr = inet_addr("255.255.255.0");
}
netlib_set_ipv4netmask(ifname, &addr);
}
#endif /* CONFIG_NET_IPv4 */
UNUSED(ifname); /* Not used in all configurations */
#if defined(CONFIG_NETINIT_DHCPC) || defined(CONFIG_NETINIT_DNS)
#ifdef CONFIG_NET_IPv6
#ifdef CONFIG_NET_IPv4
if (inet6)
#endif
{
#warning Missing Logic
}
#endif /* CONFIG_NET_IPv6 */
#ifdef CONFIG_NET_IPv4
#ifdef CONFIG_NET_IPv6
else
#endif
{
if (dns != NULL)
{
ninfo("DNS: %s\n", dns);
addr.s_addr = inet_addr(dns);
}
else
{
ninfo("DNS: Default\n");
addr.s_addr = gip;
}
netlib_set_ipv4dnsaddr(&addr);
}
#endif /* CONFIG_NET_IPv4 */
#endif /* CONFIG_NETINIT_DHCPC || CONFIG_NETINIT_DNS */
#if defined(CONFIG_NETINIT_DHCPC)
/* Get the MAC address of the NIC */
if (!gip)
{
netlib_getmacaddr("eth0", macaddr);
/* Set up the DHCPC modules */
handle = dhcpc_open("eth0", &macaddr, IFHWADDRLEN);
/* Get an IP address. Note that there is no logic for renewing the IP
* address in this example. The address should be renewed in
* ds.lease_time/2 seconds.
*/
if (handle != NULL)
{
struct dhcpc_state ds;
dhcpc_request(handle, &ds);
netlib_set_ipv4addr("eth0", &ds.ipaddr);
if (ds.netmask.s_addr != 0)
{
netlib_set_ipv4netmask("eth0", &ds.netmask);
}
if (ds.default_router.s_addr != 0)
{
netlib_set_dripv4addr("eth0", &ds.default_router);
}
if (ds.dnsaddr.s_addr != 0)
{
netlib_set_ipv4dnsaddr(&ds.dnsaddr);
}
dhcpc_close(handle);
}
}
#endif
#if !defined(CONFIG_NET_IPv4) && !defined(CONFIG_NET_IPv6)
UNUSED(hostip);
UNUSED(mask);
UNUSED(gwip);
#endif
#ifdef CONFIG_NET_IPv4
UNUSED(gip);
#endif
return OK;
}
#endif
/****************************************************************************
* Name: cmd_nslookup
****************************************************************************/
#if defined(CONFIG_LIBC_NETDB) && defined(CONFIG_NETDB_DNSCLIENT) && \
!defined(CONFIG_NSH_DISABLE_NSLOOKUP)
int cmd_nslookup(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
{
FAR struct hostent *host;
FAR const char *addrtype;
char buffer[48];
/* We should be guaranteed this by the command line parser */
DEBUGASSERT(argc == 2);
/* Get the matching address + any aliases */
host = gethostbyname(argv[1]);
if (!host)
{
/* REVISIT: gethostbyname() does not set errno, but h_errno */
nsh_error(vtbl, g_fmtcmdfailed, argv[0], "gethostbyname", NSH_ERRNO);
return ERROR;
}
/* Convert the address to a string */
/* Handle IPv4 addresses */
if (host->h_addrtype == AF_INET)
{
if (inet_ntop(AF_INET, host->h_addr, buffer, 48) == NULL)
{
nsh_error(vtbl, g_fmtcmdfailed, argv[0], "inet_ntop", NSH_ERRNO);
return ERROR;
}
addrtype = "IPv4";
}
/* Handle IPv6 addresses */
else /* if (host->h_addrtype == AF_INET6) */
{
DEBUGASSERT(host->h_addrtype == AF_INET6);
if (inet_ntop(AF_INET6, host->h_addr, buffer, 48) == NULL)
{
nsh_error(vtbl, g_fmtcmdfailed, argv[0], "inet_ntop", NSH_ERRNO);
return ERROR;
}
addrtype = "IPv6";
}
/* Print the host name / address mapping */
nsh_output(vtbl, "Host: %s %s Addr: %s\n", host->h_name, addrtype, buffer);
/* Print any host name aliases */
if (host->h_aliases != NULL && *host->h_aliases != NULL)
{
FAR char **alias;
nsh_output(vtbl, "Aliases:");
for (alias = host->h_aliases; *alias != NULL; alias++)
{
nsh_output(vtbl, " %s", *alias);
}
nsh_output(vtbl, "\n");
}
return OK;
}
#endif
/****************************************************************************
* Name: cmd_arp
****************************************************************************/
#if defined(CONFIG_NET_ARP) && !defined(CONFIG_NSH_DISABLE_ARP)
int cmd_arp(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
{
struct sockaddr_in inaddr;
struct ether_addr mac;
int ret;
/* Forms:
*
* arp -t
* arp -a <ipaddr>
* arp -d <ipdaddr>
* arp -s <ipaddr> <hwaddr>
*/
#ifdef CONFIG_NETLINK_ROUTE
if (strcmp(argv[1], "-t") == 0)
{
FAR struct arp_entry_s *arptab;
size_t arpsize;
ssize_t nentries;
char ipaddr[16];
char ethaddr[24];
int i;
if (argc != 2)
{
goto errout_toomany;
}
/* Allocate a buffer to hold the ARP table */
arpsize = CONFIG_NET_ARPTAB_SIZE * sizeof(struct arp_entry_s);
arptab = (FAR struct arp_entry_s *)malloc(arpsize);
if (arptab == NULL)
{
nsh_error(vtbl, g_fmtcmdoutofmemory, argv[0]);
return ERROR;
}
/* Read the ARP table */
nentries = netlib_get_arptable(arptab, CONFIG_NET_ARPTAB_SIZE);
if (nentries < 0)
{
nsh_error(vtbl, g_fmtcmdfailed, argv[0], netlib_get_arptable,
NSH_ERRNO_OF(-nentries));
free(arptab);
return ERROR;
}
/* Dump the ARP table
*
* xx.xx.xx.xx xx:xx:xx:xx:xx:xx xxxxxxxx[xxxxxxxx]
*/
nsh_output(vtbl, "%-12s %-17s Last Access Time\n",
"IP Address", "Ethernet Address");
for (i = 0; i < nentries; i++)
{
FAR uint8_t *ptr;
/* Convert the IPv4 address to a string */
ptr = (FAR uint8_t *)&arptab[i].at_ipaddr;
snprintf(ipaddr, 16, "%u.%u.%u.%u",
ptr[0], ptr[1], ptr[2], ptr[3]);
/* Convert the MAC address string to a binary */
snprintf(ethaddr, 24, "%02x:%02x:%02x:%02x:%02x:%02x",
arptab[i].at_ethaddr.ether_addr_octet[0],
arptab[i].at_ethaddr.ether_addr_octet[1],
arptab[i].at_ethaddr.ether_addr_octet[2],
arptab[i].at_ethaddr.ether_addr_octet[3],
arptab[i].at_ethaddr.ether_addr_octet[4],
arptab[i].at_ethaddr.ether_addr_octet[5]);
#ifdef CONFIG_SYSTEM_TIME64
nsh_output(vtbl, "%-12s %-17s 0x%" PRIx64 "\n",
ipaddr, ethaddr, (uint64_t)arptab[i].at_time);
#else
nsh_output(vtbl, "%-12s %-17s 0x%" PRIx32 "\n",
ipaddr, ethaddr, (uint32_t)arptab[i].at_time);
#endif
}
free(arptab);
ret = OK;
}
else
#endif
if (strcmp(argv[1], "-a") == 0)
{
if (argc != 3)
{
goto errout_toomany;
}
/* Show the corresponding hardware address */
inaddr.sin_family = AF_INET;
inaddr.sin_port = 0;
inaddr.sin_addr.s_addr = inet_addr(argv[2]);
ret = netlib_get_arpmapping(&inaddr, mac.ether_addr_octet);
if (ret < 0)
{
goto errout_cmdfaild;
}
nsh_output(vtbl, "HWaddr: %s\n", ether_ntoa(&mac));
}
else if (strcmp(argv[1], "-d") == 0)
{
if (argc != 3)
{
goto errout_toomany;
}
/* Delete the corresponding address mapping from the arp table */
inaddr.sin_family = AF_INET;
inaddr.sin_port = 0;
inaddr.sin_addr.s_addr = inet_addr(argv[2]);
ret = netlib_del_arpmapping(&inaddr);
if (ret < 0)
{
goto errout_cmdfaild;
}
}
else if (strcmp(argv[1], "-s") == 0)
{
if (argc != 4)
{
goto errout_missing;
}
/* Convert the MAC address string to a binary */
if (!netlib_ethaddrconv(argv[3], mac.ether_addr_octet))
{
goto errout_invalid;
}
/* Add the address mapping to the arp table */
inaddr.sin_family = AF_INET;
inaddr.sin_port = 0;
inaddr.sin_addr.s_addr = inet_addr(argv[2]);
ret = netlib_set_arpmapping(&inaddr, mac.ether_addr_octet);
if (ret < 0)
{
goto errout_cmdfaild;
}
}
else
{
goto errout_invalid;
}
return OK;
/* Error exits */
errout_cmdfaild:
if (ret == -ENOENT)
{
nsh_error(vtbl, g_fmtnosuch, argv[0], "ARP entry", argv[2]);
}
else
{
nsh_error(vtbl, g_fmtcmdfailed, argv[0], "ioctl", NSH_ERRNO);
}
return ERROR;
errout_missing:
nsh_error(vtbl, g_fmttoomanyargs, argv[0]);
return ERROR;
errout_toomany:
nsh_error(vtbl, g_fmtargrequired, argv[0]);
return ERROR;
errout_invalid:
nsh_error(vtbl, g_fmtarginvalid, argv[0]);
return ERROR;
}
#endif
/****************************************************************************
* Name: cmd_put
****************************************************************************/
#ifdef CONFIG_NET_UDP
#ifndef CONFIG_NSH_DISABLE_PUT
int cmd_put(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
{
struct tftpc_args_s args;
FAR char *fullpath;
/* Parse the input parameter list */
if (tftpc_parseargs(vtbl, argc, argv, &args) != OK)
{
return ERROR;
}
/* Get the full path to the local file */
fullpath = nsh_getfullpath(vtbl, args.srcpath);
/* Then perform the TFTP put operation */
if (tftpput(fullpath, args.destpath, args.ipaddr, args.binary) != OK)
{
nsh_error(vtbl, g_fmtcmdfailed, argv[0], "tftpput", NSH_ERRNO);
}
/* Release any allocated memory */
if (args.allocated)
{
free(args.destpath);
}
free(fullpath);
return OK;
}
#endif
#endif
/****************************************************************************
* Name: cmd_wget
****************************************************************************/
#ifdef CONFIG_NET_TCP
#ifndef CONFIG_NSH_DISABLE_WGET
int cmd_wget(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
{
FAR char *localfile = NULL;
FAR char *allocfile = NULL;
FAR char *buffer = NULL;
FAR char *fullpath = NULL;
FAR char *url;
FAR const char *fmt;
bool badarg = false;
int option;
int fd = -1;
int ret;
/* Get the wget options */
while ((option = getopt(argc, argv, ":o:")) != ERROR)
{
switch (option)
{
case 'o':
localfile = optarg;
break;
case ':':
nsh_error(vtbl, g_fmtargrequired, argv[0]);
badarg = true;
break;
case '?':
default:
nsh_error(vtbl, g_fmtarginvalid, argv[0]);
badarg = true;
break;
}
}
/* If a bad argument was encountered, then return without processing the
* command
*/
if (badarg)
{
return ERROR;
}
/* There should be exactly on parameter left on the command-line */
if (optind == argc - 1)
{
url = argv[optind];
}
else if (optind >= argc)
{
fmt = g_fmttoomanyargs;
goto errout;
}
else
{
fmt = g_fmtargrequired;
goto errout;
}
/* Get the local file name */
if (localfile == NULL)
{
allocfile = strdup(url);
localfile = basename(allocfile);
}
/* Get the full path to the local file */
fullpath = nsh_getfullpath(vtbl, localfile);
/* Open the local file for writing */
fd = open(fullpath, O_WRONLY|O_CREAT|O_TRUNC, 0644);
if (fd < 0)
{
nsh_error(vtbl, g_fmtcmdfailed, argv[0], "open", NSH_ERRNO);
ret = ERROR;
goto exit;
}
/* Allocate an I/O buffer */
buffer = malloc(512);
if (buffer == NULL)
{
fmt = g_fmtcmdoutofmemory;
goto errout;
}
/* And perform the wget */
ret = wget(url, buffer, 512, wget_callback, (FAR void *)((intptr_t)fd));
if (ret < 0)
{
nsh_error(vtbl, g_fmtcmdfailed, argv[0], "wget", NSH_ERRNO);
goto exit;
}
/* Free allocated resources */
exit:
if (fd >= 0)
{
close(fd);
}
if (allocfile != NULL)
{
free(allocfile);
}
if (fullpath != NULL)
{
free(fullpath);
}
if (buffer != NULL)
{
free(buffer);
}
return ret;
errout:
nsh_error(vtbl, fmt, argv[0]);
ret = ERROR;
goto exit;
}
#endif
#endif
#endif /* CONFIG_NET */
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