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nuttx-apps/nshlib/nsh_netcmds.c

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/****************************************************************************
* apps/nshlib/nsh_netcmds.c
*
* Copyright (C) 2007-2012, 2014-2015 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 <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sched.h>
#include <fcntl.h> /* Needed for open */
#include <dirent.h>
#include <netdb.h> /* Needed for gethostbyname */
#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/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>
#if defined(CONFIG_NET_ICMP) && defined(CONFIG_NET_ICMP_PING) && \
!defined(CONFIG_DISABLE_SIGNALS)
# include <apps/netutils/netlib.h>
#endif
#if defined(CONFIG_NET_UDP) && CONFIG_NFILE_DESCRIPTORS > 0
# include <apps/netutils/netlib.h>
# include <apps/netutils/tftp.h>
#endif
#if defined(CONFIG_NET_TCP) && CONFIG_NFILE_DESCRIPTORS > 0
# ifndef CONFIG_NSH_DISABLE_WGET
# include <apps/netutils/netlib.h>
# include <apps/netutils/webclient.h>
# endif
#endif
#if defined(CONFIG_NSH_DHCPC) || defined(CONFIG_NSH_DNS)
# include <apps/netutils/dhcpc.h>
#endif
#include "nsh.h"
#include "nsh_console.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#undef HAVE_PING
#undef HAVE_PING6
#if defined(CONFIG_NET_ICMP) && defined(CONFIG_NET_ICMP_PING) && \
!defined(CONFIG_DISABLE_SIGNALS) && !defined(CONFIG_NSH_DISABLE_PING)
# define HAVE_PING
#endif
#if defined(CONFIG_NET_ICMPv6) && defined(CONFIG_NET_ICMPv6_PING) && \
!defined(CONFIG_DISABLE_SIGNALS) && !defined(CONFIG_NSH_DISABLE_PING6)
# define HAVE_PING6
#endif
/* Size of the ECHO data */
#define DEFAULT_PING_DATALEN 56
/* Get the larger value */
#ifndef MAX
# define MAX(a,b) (a > b ? a : b)
#endif
/****************************************************************************
* Private Types
****************************************************************************/
#if defined(CONFIG_NET_UDP) && CONFIG_NFILE_DESCRIPTORS > 0
struct tftpc_args_s
{
bool binary; /* true:binary ("octet") false:text ("netascii") */
bool allocated; /* true: destpath is allocated */
char *destpath; /* Path at destination */
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 Data
****************************************************************************/
#if defined(HAVE_PING) || defined(HAVE_PING6)
static uint16_t g_pingid = 0;
#endif
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: ping_newid
****************************************************************************/
#if defined(HAVE_PING) || defined(HAVE_PING6)
static uint16_t ping_newid(void)
{
irqstate_t save = irqsave();
uint16_t ret = ++g_pingid;
irqrestore(save);
return ret;
}
#endif /* HAVE_PING || HAVE_PINg */
/****************************************************************************
* Name: ping_options
****************************************************************************/
#if defined(HAVE_PING) || defined(HAVE_PING6)
static int ping_options(FAR struct nsh_vtbl_s *vtbl,
int argc, FAR char **argv,
FAR int *count, FAR uint32_t *dsec, FAR char **staddr)
{
FAR const char *fmt = g_fmtarginvalid;
bool badarg = false;
int option;
int tmp;
/* Get the ping options */
while ((option = getopt(argc, argv, ":c:i:")) != ERROR)
{
switch (option)
{
case 'c':
tmp = atoi(optarg);
if (tmp < 1 || tmp > 10000)
{
nsh_output(vtbl, g_fmtargrange, argv[0]);
badarg = true;
}
else
{
*count = tmp;
}
break;
case 'i':
tmp = atoi(optarg);
if (tmp < 1 || tmp >= 4294)
{
nsh_output(vtbl, g_fmtargrange, argv[0]);
badarg = true;
}
else
{
*dsec = 10 * tmp;
}
break;
case ':':
nsh_output(vtbl, g_fmtargrequired, argv[0]);
badarg = true;
break;
case '?':
default:
nsh_output(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)
{
*staddr = argv[optind];
}
else if (optind >= argc)
{
fmt = g_fmttoomanyargs;
goto errout;
}
else
{
fmt = g_fmtargrequired;
goto errout;
}
return OK;
errout:
nsh_output(vtbl, fmt, argv[0]);
return ERROR;
}
#endif /* HAVE_PING || HAVE_PING6 */
/****************************************************************************
* 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)
{
(void)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);
(void)nsh_catfile(vtbl, "ifconfig", buffer);
return OK;
}
#endif /* !CONFIG_NSH_DISABLE_IFUPDOWN || !CONFIG_NSH_DISABLE_IFCONFIG */
/****************************************************************************
* Name: tftpc_parseargs
****************************************************************************/
#if defined(CONFIG_NET_UDP) && CONFIG_NFILE_DESCRIPTORS > 0
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 ping 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_ipaddrconv(optarg, (FAR unsigned char*)&args->ipaddr))
{
nsh_output(vtbl, g_fmtarginvalid, argv[0]);
badarg = true;
}
break;
case ':':
nsh_output(vtbl, g_fmtargrequired, argv[0]);
badarg = true;
break;
case '?':
default:
nsh_output(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)
{
fmt = g_fmtargrequired;
goto errout;
}
/* If the destpath was not provided, then we have do a little work. */
if (!args->destpath)
{
char *tmp1;
char *tmp2;
/* Copy the srcpath... baseanme might modify it */
fmt = g_fmtcmdoutofmemory;
tmp1 = strdup(args->srcpath);
if (!tmp1)
{
goto errout;
}
/* Get the basename of the srcpath */
tmp2 = basename(tmp1);
if (!tmp2)
{
free(tmp1);
goto errout;
}
/* Use that basename as the destpath */
args->destpath = strdup(tmp2);
free(tmp1);
if (!args->destpath)
{
goto errout;
}
args->allocated = true;
}
return OK;
errout:
nsh_output(vtbl, fmt, argv[0]);
return ERROR;
}
#endif
/****************************************************************************
* Name: nsh_gethostip
*
* Description:
* Call gethostbyname() to get the IP address associated with a hostname.
*
* Input Parameters
* hostname - The host name to use in the nslookup.
* ipv4addr - The location to return the IPv4 address.
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
#if defined(HAVE_PING) || defined(HAVE_PING6)
static int nsh_gethostip(FAR char *hostname, FAR union ip_addr_u *ipaddr,
int addrtype)
{
#ifdef CONFIG_LIBC_NETDB
/* Netdb support is enabled */
FAR struct hostent *he;
he = gethostbyname(hostname);
if (he == NULL)
{
ndbg("gethostbyname failed: %d\n", h_errno);
return -ENOENT;
}
#if defined(HAVE_PING) && defined(HAVE_PING6)
else if (he->h_addrtype != addrtype)
{
ndbg("gethostbyname returned an address of type: %d\n", he->h_addrtype);
return -ENOEXEC;
}
else if (addrtype == AF_INET)
{
memcpy(&ipaddr->ipv4, he->h_addr, sizeof(in_addr_t));
}
else /* if (addrtype == AF_INET6) */
{
memcpy(ipaddr->ipv6, he->h_addr, sizeof(net_ipv6addr_t));
}
#elif defined(HAVE_PING)
else if (he->h_addrtype != AF_INET)
{
ndbg("gethostbyname returned an address of type: %d\n", he->h_addrtype);
return -ENOEXEC;
}
else
{
memcpy(&ipaddr->ipv4, he->h_addr, sizeof(in_addr_t));
}
#else /* if defined(HAVE_PING6) */
else if (he->h_addrtype != AF_INET6)
{
ndbg("gethostbyname returned an address of type: %d\n", he->h_addrtype);
return -ENOEXEC;
}
else
{
memcpy(ipaddr->ipv6, he->h_addr, sizeof(net_ipv6addr_t));
}
#endif
return OK;
#else /* CONFIG_LIBC_NETDB */
/* No host name support */
int ret;
#ifdef HAVE_PING
/* Convert strings to numeric IPv4 address */
#ifdef HAVE_PING6
if (addrtype == AF_INET)
#endif
{
ret = inet_pton(AF_INET, hostname, &ipaddr->ipv4);
}
#endif
#ifdef HAVE_PING6
/* Convert strings to numeric IPv6 address */
#ifdef HAVE_PING
else
#endif
{
ret = inet_pton(AF_INET6, hostname, ipaddr->ipv6);
}
#endif
/* The inet_pton() function returns 1 if the conversion succeeds. It will
* return 0 if the input is not a valid IPv4 dotted-decimal string or a
* valid IPv6 address string, or -1 with errno set to EAFNOSUPPORT if
* the address family argument is unsupported.
*/
return (ret > 0) ? OK : ERROR;
#endif /* CONFIG_LIBC_NETDB */
}
#endif
/****************************************************************************
* Name: wget_callback
****************************************************************************/
#if defined(CONFIG_NET_TCP) && CONFIG_NFILE_DESCRIPTORS > 0
#ifndef CONFIG_NSH_DISABLE_WGET
static void wget_callback(FAR char **buffer, int offset, int datend,
FAR int *buflen, FAR void *arg)
{
(void)write((int)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_output(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 */
(void)closedir(dir);
return ret;
}
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: cmd_get
****************************************************************************/
#if defined(CONFIG_NET_UDP) && CONFIG_NFILE_DESCRIPTORS > 0
#ifndef CONFIG_NSH_DISABLE_GET
int cmd_get(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
{
struct tftpc_args_s args;
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_output(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 *intf = NULL;
int ret;
if (argc != 2)
{
nsh_output(vtbl, "Please select nic_name:\n");
return nsh_foreach_netdev(ifconfig_callback, vtbl, "ifup");
}
intf = argv[1];
ret = netlib_ifup(intf);
nsh_output(vtbl, "ifup %s...%s\n", intf, (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 *intf = NULL;
int ret;
if (argc != 2)
{
nsh_output(vtbl, "Please select nic_name:\n");
return nsh_foreach_netdev(ifconfig_callback, vtbl, "ifdown");
}
intf = argv[1];
ret = netlib_ifdown(intf);
nsh_output(vtbl, "ifdown %s...%s\n", intf, (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;
#endif
#ifdef CONFIG_NET_IPv6
struct in6_addr addr6;
#endif
in_addr_t gip;
int i;
FAR char *intf = NULL;
FAR char *hostip = NULL;
FAR char *gwip = NULL;
FAR char *mask = NULL;
FAR char *tmp = NULL;
#ifdef CONFIG_NET_ETHERNET
FAR char *hw = NULL;
#endif
#if defined(CONFIG_NSH_DHCPC) || defined(CONFIG_NSH_DNS)
FAR char *dns = NULL;
#endif
#if defined(CONFIG_NET_IPv4) && defined(CONFIG_NET_IPv6)
bool inet6 = false;
#endif
bool badarg = false;
uint8_t mac[IFHWADDRLEN];
#if defined(CONFIG_NSH_DHCPC)
FAR void *handle;
#endif
int ret;
/* With one or no arguments, ifconfig simply shows the status of Ethernet
* device:
*
* ifconfig
* ifconfig [nic_name]
*/
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 nic_name ip_address
*/
if (argc > 2)
{
for (i = 0; i < argc; i++)
{
if (i == 1)
{
intf = argv[i];
}
else if (i == 2)
{
hostip = argv[i];
}
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 CONFIG_NET_ETHERNET
/* 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 = !netlib_hwmacconv(hw, mac);
}
else
{
badarg = true;
}
}
#endif
#if defined(CONFIG_NSH_DHCPC) || defined(CONFIG_NSH_DNS)
else if (!strcmp(tmp, "dns"))
{
if (argc-1 >= i+1)
{
dns = argv[i+1];
i++;
}
else
{
badarg = true;
}
}
#endif
}
}
}
if (badarg)
{
nsh_output(vtbl, g_fmtargrequired, argv[0]);
return ERROR;
}
#ifdef CONFIG_NET_ETHERNET
/* Set Hardware Ethernet MAC address */
/* REVISIT: How will we handle Ethernet and SLIP networks together? */
if (hw)
{
ndbg("HW MAC: %s\n", hw);
netlib_setmacaddr(intf, mac);
}
#endif
/* Set IP address */
#ifdef CONFIG_NET_IPv6
#ifdef CONFIG_NET_IPv4
if (inet6)
#endif
{
#warning Missing Logic
UNUSED(addr6);
UNUSED(gip);
UNUSED(hostip);
}
#endif /* CONFIG_NET_IPv6 */
#ifdef CONFIG_NET_IPv4
#ifdef CONFIG_NET_IPv6
else
#endif
{
#if defined(CONFIG_NSH_DHCPC)
if (!strcmp(hostip, "dhcp"))
{
/* Set DHCP addr */
ndbg("DHCPC Mode\n");
gip = addr.s_addr = 0;
}
else
#endif
{
/* Set host IP address */
ndbg("Host IP: %s\n", hostip);
gip = addr.s_addr = inet_addr(hostip);
}
netlib_set_ipv4addr(intf, &addr);
}
#endif /* CONFIG_NET_IPv4 */
#ifdef CONFIG_NET_IPv6
#ifdef CONFIG_NET_IPv4
if (inet6)
#endif
{
#warning Missing Logic
UNUSED(gwip);
}
#endif /* CONFIG_NET_IPv6 */
#ifdef CONFIG_NET_IPv4
#ifdef CONFIG_NET_IPv6
else
#endif
{
/* Set gateway */
if (gwip)
{
ndbg("Gateway: %s\n", gwip);
gip = addr.s_addr = inet_addr(gwip);
}
else
{
if (gip)
{
ndbg("Gateway: default\n");
gip = NTOHL(gip);
gip &= ~0x000000ff;
gip |= 0x00000001;
gip = HTONL(gip);
}
addr.s_addr = gip;
}
netlib_set_dripv4addr(intf, &addr);
}
#endif /* CONFIG_NET_IPv4 */
/* Set network mask */
#ifdef CONFIG_NET_IPv6
#ifdef CONFIG_NET_IPv4
if (inet6)
#endif
{
#warning Missing Logic
UNUSED(mask);
}
#endif /* CONFIG_NET_IPv6 */
#ifdef CONFIG_NET_IPv4
#ifdef CONFIG_NET_IPv6
else
#endif
{
if (mask)
{
ndbg("Netmask: %s\n",mask);
addr.s_addr = inet_addr(mask);
}
else
{
ndbg("Netmask: Default\n");
addr.s_addr = inet_addr("255.255.255.0");
}
netlib_set_ipv4netmask(intf, &addr);
}
#endif /* CONFIG_NET_IPv4 */
#if defined(CONFIG_NSH_DHCPC) || defined(CONFIG_NSH_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)
{
ndbg("DNS: %s\n", dns);
addr.s_addr = inet_addr(dns);
}
else
{
ndbg("DNS: Default\n");
addr.s_addr = gip;
}
netlib_set_ipv4dnsaddr(&addr);
}
#endif /* CONFIG_NET_IPv4 */
#endif /* CONFIG_NSH_DHCPC || CONFIG_NSH_DNS */
#if defined(CONFIG_NSH_DHCPC)
/* Get the MAC address of the NIC */
if (!gip)
{
netlib_getmacaddr("eth0", mac);
/* Set up the DHCPC modules */
handle = dhcpc_open(&mac, 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)
{
struct dhcpc_state ds;
(void)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
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_output(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_output(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_output(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_ping
****************************************************************************/
#ifdef HAVE_PING
int cmd_ping(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
{
FAR char *staddr;
in_addr_t ipaddr;
uint32_t start;
uint32_t next;
uint32_t dsec = 10;
uint32_t maxwait;
uint16_t id;
int count = 10;
int seqno;
int replies = 0;
int elapsed;
int ret;
int tmp;
int i;
/* Get the ping options */
ret = ping_options(vtbl, argc, argv, &count, &dsec, &staddr);
if (ret < 0)
{
return ERROR;
}
/* Get the IP address in binary form */
ret = nsh_gethostip(staddr, (FAR union ip_addr_u *)&ipaddr, AF_INET);
if (ret < 0)
{
nsh_output(vtbl, "nsh: %s: unable to resolve hostname '%s'\n", argv[0], staddr);
return ERROR;
}
/* Get the ID to use */
id = ping_newid();
/* The maximum wait for a response will be the larger of the inter-ping
* time and the configured maximum round-trip time.
*/
maxwait = MAX(dsec, CONFIG_NSH_MAX_ROUNDTRIP);
/* Loop for the specified count */
nsh_output(vtbl, "PING %d.%d.%d.%d %d bytes of data\n",
(ipaddr ) & 0xff, (ipaddr >> 8 ) & 0xff,
(ipaddr >> 16 ) & 0xff, (ipaddr >> 24 ) & 0xff,
DEFAULT_PING_DATALEN);
start = clock_systimer();
for (i = 1; i <= count; i++)
{
/* Send the ECHO request and wait for the response */
next = clock_systimer();
seqno = icmp_ping(ipaddr, id, i, DEFAULT_PING_DATALEN, maxwait);
/* Was any response returned? We can tell if a non-negative sequence
* number was returned.
*/
if (seqno >= 0 && seqno <= i)
{
/* Get the elapsed time from the time that the request was
* sent until the response was received. If we got a response
* to an earlier request, then fudge the elapsed time.
*/
elapsed = TICK2MSEC(clock_systimer() - next);
if (seqno < i)
{
elapsed += 100 * dsec * (i - seqno);
}
/* Report the receipt of the reply */
nsh_output(vtbl, "%d bytes from %s: icmp_seq=%d time=%d ms\n",
DEFAULT_PING_DATALEN, staddr, seqno, elapsed);
replies++;
}
else if (seqno < 0)
{
if (seqno == -ETIMEDOUT)
{
nsh_output(vtbl, "icmp_seq=%d Request timeout\n", i);
}
else if (seqno == -ENETUNREACH)
{
nsh_output(vtbl, "icmp_seq=%d Network is unreachable\n", i);
}
}
/* Wait for the remainder of the interval. If the last seqno<i,
* then this is a bad idea... we will probably lose the response
* to the current request!
*/
elapsed = TICK2DSEC(clock_systimer() - next);
if (elapsed < dsec)
{
usleep(100000 * (dsec - elapsed));
}
}
/* Get the total elapsed time */
elapsed = TICK2MSEC(clock_systimer() - start);
/* Calculate the percentage of lost packets */
tmp = (100*(count - replies) + (count >> 1)) / count;
nsh_output(vtbl, "%d packets transmitted, %d received, %d%% packet loss, time %d ms\n",
count, replies, tmp, elapsed);
return OK;
}
#endif /* HAVE_PING */
/****************************************************************************
* Name: cmd_ping6
****************************************************************************/
#ifdef HAVE_PING6
int cmd_ping6(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
{
FAR char *staddr;
struct in6_addr ipaddr;
uint32_t start;
uint32_t next;
uint32_t dsec = 10;
uint32_t maxwait;
uint16_t id;
int count = 10;
int seqno;
int replies = 0;
int elapsed;
int ret;
int tmp;
int i;
/* Get the ping options */
ret = ping_options(vtbl, argc, argv, &count, &dsec, &staddr);
if (ret < 0)
{
return ERROR;
}
/* Get the IP address in binary form */
ret = nsh_gethostip(staddr, (FAR union ip_addr_u *)&ipaddr, AF_INET6);
if (ret < 0)
{
nsh_output(vtbl, g_fmtarginvalid, argv[0]);
return ERROR;
}
/* Get the ID to use */
id = ping_newid();
/* The maximum wait for a response will be the larger of the inter-ping
* time and the configured maximum round-trip time.
*/
maxwait = MAX(dsec, CONFIG_NSH_MAX_ROUNDTRIP);
/* Loop for the specified count */
nsh_output(vtbl,
"PING6 %04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x %d bytes of data\n",
ntohs(ipaddr.s6_addr16[0]), ntohs(ipaddr.s6_addr16[1]),
ntohs(ipaddr.s6_addr16[2]), ntohs(ipaddr.s6_addr16[3]),
ntohs(ipaddr.s6_addr16[4]), ntohs(ipaddr.s6_addr16[5]),
ntohs(ipaddr.s6_addr16[6]), ntohs(ipaddr.s6_addr16[7]),
DEFAULT_PING_DATALEN);
start = clock_systimer();
for (i = 1; i <= count; i++)
{
/* Send the ECHO request and wait for the response */
next = clock_systimer();
seqno = icmpv6_ping(ipaddr.s6_addr16, id, i, DEFAULT_PING_DATALEN, maxwait);
/* Was any response returned? We can tell if a non-negative sequence
* number was returned.
*/
if (seqno >= 0 && seqno <= i)
{
/* Get the elapsed time from the time that the request was
* sent until the response was received. If we got a response
* to an earlier request, then fudge the elapsed time.
*/
elapsed = TICK2MSEC(clock_systimer() - next);
if (seqno < i)
{
elapsed += 100 * dsec * (i - seqno);
}
/* Report the receipt of the reply */
nsh_output(vtbl, "%d bytes from %s: icmp_seq=%d time=%d ms\n",
DEFAULT_PING_DATALEN, staddr, seqno, elapsed);
replies++;
}
/* Wait for the remainder of the interval. If the last seqno<i,
* then this is a bad idea... we will probably lose the response
* to the current request!
*/
elapsed = TICK2DSEC(clock_systimer() - next);
if (elapsed < dsec)
{
usleep(100000 * (dsec - elapsed));
}
}
/* Get the total elapsed time */
elapsed = TICK2MSEC(clock_systimer() - start);
/* Calculate the percentage of lost packets */
tmp = (100*(count - replies) + (count >> 1)) / count;
nsh_output(vtbl, "%d packets transmitted, %d received, %d%% packet loss, time %d ms\n",
count, replies, tmp, elapsed);
return OK;
}
#endif /* CONFIG_NET_ICMPv6 && CONFIG_NET_ICMPv6_PING */
/****************************************************************************
* Name: cmd_put
****************************************************************************/
#if defined(CONFIG_NET_UDP) && CONFIG_NFILE_DESCRIPTORS > 0
#ifndef CONFIG_NSH_DISABLE_PUT
int cmd_put(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
{
struct tftpc_args_s args;
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_output(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
****************************************************************************/
#if defined(CONFIG_NET_TCP) && CONFIG_NFILE_DESCRIPTORS > 0
#ifndef CONFIG_NSH_DISABLE_WGET
int cmd_wget(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
{
char *localfile = NULL;
char *allocfile = NULL;
char *buffer = NULL;
char *fullpath = NULL;
char *url;
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_output(vtbl, g_fmtargrequired, argv[0]);
badarg = true;
break;
case '?':
default:
nsh_output(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)
{
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_output(vtbl, g_fmtcmdfailed, argv[0], "open", NSH_ERRNO);
ret = ERROR;
goto exit;
}
/* Allocate an I/O buffer */
buffer = malloc(512);
if (!buffer)
{
fmt = g_fmtcmdoutofmemory;
goto errout;
}
/* And perform the wget */
ret = wget(url, buffer, 512, wget_callback, (FAR void *)fd);
if (ret < 0)
{
nsh_output(vtbl, g_fmtcmdfailed, argv[0], "wget", NSH_ERRNO);
goto exit;
}
/* Free allocated resources */
exit:
if (fd >= 0)
{
close(fd);
}
if (allocfile)
{
free(allocfile);
}
if (fullpath)
{
free(fullpath);
}
if (buffer)
{
free(buffer);
}
return ret;
errout:
nsh_output(vtbl, fmt, argv[0]);
ret = ERROR;
goto exit;
}
#endif
#endif
#endif /* CONFIG_NET */
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