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292 lines
8.7 KiB
292 lines
8.7 KiB
/**************************************************************************** |
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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 <apps/netutils/uiplib.h> |
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#include <apps/netutils/ftpd.h> |
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#include "ftpd.h" |
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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_EXAMPLE_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_EXAMPLE_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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uip_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_EXAMPLE_FTPD_IPADDR); |
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uip_sethostaddr("eth0", &addr); |
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/* Set up the default router address */ |
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addr.s_addr = HTONL(CONFIG_EXAMPLE_FTPD_DRIPADDR); |
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uip_setdraddr("eth0", &addr); |
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/* Setup the subnet mask */ |
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addr.s_addr = HTONL(CONFIG_EXAMPLE_FTPD_NETMASK); |
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uip_setnetmask("eth0", &addr); |
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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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#ifdef CONFIG_NSH_BUILTIN_APPS |
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g_ftpdglob.running = true; |
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#endif |
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printf("FTP daemon [%d] started\n", g_ftpdglob.pid); |
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/* Open FTPD */ |
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handle = ftpd_open(); |
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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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#ifdef CONFIG_NSH_BUILTIN_APPS |
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g_ftpdglob.running = false; |
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g_ftpdglob.stop = false; |
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#endif |
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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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(void)ftpd_accounts(handle); |
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/* Then drive the FTPD server. */ |
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#ifdef CONFIG_NSH_BUILTIN_APPS |
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while (g_ftpdglob.stop == 0) |
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#else |
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for (;;) |
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#endif |
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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 (we can get here only if |
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* CONFIG_NSH_BUILTIN_APPS is defined). |
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*/ |
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#ifdef CONFIG_NSH_BUILTIN_APPS |
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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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#endif |
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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 ftpd_main(int s_argc, char **s_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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#ifdef CONFIG_NSH_BUILTIN_APPS |
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g_ftpdglob.stop = false; |
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g_ftpdglob.running = false; |
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#endif |
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} |
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/* Then start the new daemon (if it is not already running) */ |
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#ifdef CONFIG_NSH_BUILTIN_APPS |
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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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else |
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#endif |
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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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#ifdef CONFIG_NSH_BUILTIN_APPS |
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int ftpd_stop(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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#endif
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