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nuttx-bb/apps/netutils/ftpd/ftpd.h

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/****************************************************************************
* apps/include/ftpd.h
*
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* 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.
*
****************************************************************************/
#ifndef __APPS_NETUTILS_FTPD_FTPD_H
#define __APPS_NETUTILS_FTPD_FTPD_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <stdbool.h>
#include <netinet/in.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* FPTD Definitions *********************************************************/
#define FTPD_SESSIONFLAG_USER (1 << 0) /* Session has a user */
#define FTPD_SESSIONFLAG_RESTARTPOS (1 << 1) /* Session has a restart position */
#define FTPD_SESSIONFLAG_RENAMEFROM (1 << 2) /* Session has a rename from string */
#define FTPD_LISTOPTION_A (1 << 0) /* List option 'A' */
#define FTPD_LISTOPTION_L (1 << 1) /* List option 'L' */
#define FTPD_LISTOPTION_F (1 << 2) /* List option 'F' */
#define FTPD_LISTOPTION_R (1 << 3) /* List option 'R' */
#define FTPD_LISTOPTION_UNKNOWN (1 << 7) /* Unknown list option */
#define FTPD_CMDFLAG_LOGIN (1 << 0) /* Command requires login */
/****************************************************************************
* Public Types
****************************************************************************/
/* This enumerates the type of each session */
enum ftpd_sessiontype_e
{
FTPD_SESSIONTYPE_NONE = 0,
FTPD_SESSIONTYPE_A,
FTPD_SESSIONTYPE_I,
FTPD_SESSIONTYPE_L8
};
struct ftpd_pathnode_s
{
struct ftpd_pathnode_s *flink;
struct ftpd_pathnode_s *blink;
bool ignore;
FAR char *name;
};
union ftpd_sockaddr_u
{
uint8_t raw[sizeof(struct sockaddr_storage)];
struct sockaddr_storage ss;
struct sockaddr sa;
#ifdef CONFIG_NET_IPv6
struct sockaddr_in6 in6;
#else
struct sockaddr_in in4;
#endif
};
/* This structure describes on account */
struct ftpd_account_s
{
struct ftpd_account_s *blink;
struct ftpd_account_s *flink;
uint8_t flags; /* See FTPD_ACCOUNTFLAG_* definitions */
FAR char *user; /* User name */
FAR char *password; /* Un-encrypted password */
FAR char *home; /* Home directory path */
};
/* This structures describes an FTP session a list of associated accounts */
struct ftpd_server_s
{
int sd; /* Listen socket descriptor */
union ftpd_sockaddr_u addr; /* Listen address */
struct ftpd_account_s *head; /* Head of a list of accounts */
struct ftpd_account_s *tail; /* Tail of a list of accounts */
};
struct ftpd_stream_s
{
int sd; /* Socket descriptor */
union ftpd_sockaddr_u addr; /* Network address */
socklen_t addrlen; /* Length of the address */
size_t buflen; /* Length of the buffer */
char *buffer; /* Pointer to the buffer */
};
struct ftpd_session_s
{
FAR struct ftpd_server_s *server;
FAR struct ftpd_account_s *head;
FAR struct ftpd_account_s *curr;
uint8_t flags; /* See TPD_SESSIONFLAG_* definitions */
int rxtimeout;
int txtimeout;
/* Command */
struct ftpd_stream_s cmd;
FAR char *command;
FAR char *param;
/* Data */
struct ftpd_stream_s data;
off_t restartpos;
/* File */
int fd;
/* Current user */
FAR char *user;
uint8_t type; /* See enum ftpd_sessiontype_e */
FAR char *home;
FAR char *work;
FAR char *renamefrom;
};
typedef int (*ftpd_cmdhandler_t)(struct ftpd_session_s *);
struct ftpd_cmd_s
{
FAR const char *command; /* The command string */
ftpd_cmdhandler_t handler; /* The function that handles the command */
uint8_t flags; /* See FTPD_CMDFLAGS_* definitions */
};
/* Used to maintain a list of protocol names */
struct ftpd_protocol_s
{
FAR const char *name;
int value;
};
/****************************************************************************
* Public Data
****************************************************************************/
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* __APPS_NETUTILS_FTPD_FTPD_H */
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