857158451b
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>
302 lines
9.0 KiB
C
302 lines
9.0 KiB
C
/****************************************************************************
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* examples/telnetd/shell.c
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*
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* Copyright (C) 2012 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 the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be 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 INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <sys/types.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sched.h>
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#include <errno.h>
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#include <debug.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include "netutils/netlib.h"
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#include "netutils/ftpd.h"
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#include "ftpd.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* If FTP is used and both IPv6 and IPv4 are enabled, then we need to
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* pick one.
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*/
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#ifdef CONFIG_NET_IPv6
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# define ADDR_FAMILY AF_INET6
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#else
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# define ADDR_FAMILY AF_INET
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#endif
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/****************************************************************************
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* Private Data
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****************************************************************************/
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static const struct fptd_account_s g_ftpdaccounts[] =
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{
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{ FTPD_ACCOUNTFLAG_SYSTEM, "root", "abc123", NULL },
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{ FTPD_ACCOUNTFLAG_GUEST, "ftp", NULL, NULL },
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{ FTPD_ACCOUNTFLAG_GUEST, "anonymous", NULL, NULL },
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};
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#define NACCOUNTS (sizeof(g_ftpdaccounts) / sizeof(struct fptd_account_s))
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/****************************************************************************
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* Public Data
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****************************************************************************/
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/* To minimize the probability of name collisitions, all FTPD example
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* global data is maintained in a single instance of a structure.
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*/
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struct ftpd_globals_s g_ftpdglob;
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Name: fptd_netinit
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****************************************************************************/
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static void fptd_netinit(void)
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{
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#ifndef CONFIG_EXAMPLES_FTPD_NONETINIT
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struct in_addr addr;
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#ifdef CONFIG_EXAMPLES_FTPD_NOMAC
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uint8_t mac[IFHWADDRLEN];
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#endif
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/* Many embedded network interfaces must have a software assigned MAC */
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#ifdef CONFIG_EXAMPLES_FTPD_NOMAC
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mac[0] = 0x00;
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mac[1] = 0xe0;
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mac[2] = 0xde;
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mac[3] = 0xad;
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mac[4] = 0xbe;
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mac[5] = 0xef;
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netlib_setmacaddr("eth0", mac);
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#endif
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/* Set up our host address */
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addr.s_addr = HTONL(CONFIG_EXAMPLES_FTPD_IPADDR);
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netlib_set_ipv4addr("eth0", &addr);
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/* Set up the default router address */
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addr.s_addr = HTONL(CONFIG_EXAMPLES_FTPD_DRIPADDR);
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netlib_set_dripv4addr("eth0", &addr);
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/* Setup the subnet mask */
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addr.s_addr = HTONL(CONFIG_EXAMPLES_FTPD_NETMASK);
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netlib_set_ipv4netmask("eth0", &addr);
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/* New versions of netlib_set_ipvXaddr will not bring the network up,
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* So ensure the network is really up at this point.
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*/
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netlib_ifup("eth0");
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#endif /* CONFIG_EXAMPLES_FTPD_NONETINIT */
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}
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/****************************************************************************
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* Name: ftpd_accounts
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****************************************************************************/
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static void ftpd_accounts(FTPD_SESSION handle)
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{
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FAR const struct fptd_account_s *account;
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int i;
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printf("Adding accounts:\n");
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for (i = 0; i < NACCOUNTS; i++)
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{
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account = &g_ftpdaccounts[i];
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printf("%d. %s account: USER=%s PASSWORD=%s HOME=%s\n", i+1,
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(account->flags & FTPD_ACCOUNTFLAG_SYSTEM) != 0 ? "Root" : "User",
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(!account->user) ? "(none)" : account->user,
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(!account->password) ? "(none)" : account->password,
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(!account->home) ? "(none)" : account->home);
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ftpd_adduser(handle, account->flags, account->user,
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account->password, account->home);
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}
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}
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/****************************************************************************
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* Name: ftpd_daemon
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****************************************************************************/
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int ftpd_daemon(int s_argc, char **s_argv)
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{
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FTPD_SESSION handle;
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int ret;
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/* The FTPD daemon has been started */
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g_ftpdglob.running = true;
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printf("FTP daemon [%d] started\n", g_ftpdglob.pid);
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/* Open FTPD */
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#if ADDR_FAMILY == AF_INET6
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handle = ftpd_open(AF_INET6);
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#else
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handle = ftpd_open(AF_INET);
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#endif
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if (!handle)
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{
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printf("FTP daemon [%d] failed to open FTPD\n", g_ftpdglob.pid);
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g_ftpdglob.running = false;
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g_ftpdglob.stop = false;
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g_ftpdglob.pid = -1;
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return EXIT_FAILURE;
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}
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/* Configure acounts */
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ftpd_accounts(handle);
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/* Then drive the FTPD server. */
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while (g_ftpdglob.stop == 0)
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{
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/* If ftpd_session returns success, it means that a new FTP session
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* has been started.
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*/
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ret = ftpd_session(handle, 5000);
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/* If any interesting happened (i.e., any thing other than a timeout),
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* then report the interesting event.
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*/
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if (ret != -ETIMEDOUT)
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{
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printf("FTP daemon [%d] ftpd_session returned %d\n", g_ftpdglob.pid, ret);
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}
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}
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/* Close the FTPD server and exit. */
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printf("FTP daemon [%d] stopping\n", g_ftpdglob.pid);
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g_ftpdglob.running = false;
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g_ftpdglob.stop = false;
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g_ftpdglob.pid = -1;
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ftpd_close(handle);
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return EXIT_SUCCESS;
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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: ftpd_main
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****************************************************************************/
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int main(int argc, FAR char *argv[])
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{
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/* Check if we have already initialized the network */
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if (!g_ftpdglob.initialized)
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{
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/* Bring up the network */
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printf("Initializing the network\n");
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fptd_netinit();
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/* Initialize daemon state */
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g_ftpdglob.initialized = true;
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g_ftpdglob.pid = -1;
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g_ftpdglob.stop = false;
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g_ftpdglob.running = false;
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}
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/* Then start the new daemon (if it is not already running) */
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if (g_ftpdglob.stop && g_ftpdglob.running)
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{
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printf("Waiting for FTP daemon [%d] to stop\n", g_ftpdglob.pid);
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return EXIT_FAILURE;
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}
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if (!g_ftpdglob.running)
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{
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printf("Starting the FTP daemon\n");
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g_ftpdglob.pid = task_create("FTP daemon", CONFIG_EXAMPLES_FTPD_PRIO,
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CONFIG_EXAMPLES_FTPD_STACKSIZE,
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ftpd_daemon, NULL);
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if (g_ftpdglob.pid < 0)
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{
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printf("Failed to start the FTP daemon: %d\n", errno);
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return EXIT_FAILURE;
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}
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}
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else
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{
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printf("FTP daemon [%d] is running\n", g_ftpdglob.pid);
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}
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return EXIT_SUCCESS;
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}
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/****************************************************************************
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* Name: ftpd_stop
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****************************************************************************/
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int ftpd_stop_main(int s_argc, char **s_argv)
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{
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if (!g_ftpdglob.initialized || !g_ftpdglob.running)
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{
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printf("The FTP daemon not running\n");
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return EXIT_FAILURE;
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}
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printf("Stopping the FTP daemon, pid=%d\n", g_ftpdglob.pid);
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g_ftpdglob.stop = true;
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return EXIT_SUCCESS;
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}
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