ftp.c File Reference

#include <string.h>
#include "libavutil/avstring.h"
#include "libavutil/internal.h"
#include "libavutil/parseutils.h"
#include "avformat.h"
#include "internal.h"
#include "url.h"
#include "urldecode.h"
#include "libavutil/opt.h"
#include "libavutil/bprint.h"

Go to the source code of this file.

Data Structures
struct	FTPContext

Macros
#define	CONTROL_BUFFER_SIZE   1024
#define	DIR_BUFFER_SIZE   4096
#define	OFFSET(x)   offsetof(FTPContext, x)
#define	D   AV_OPT_FLAG_DECODING_PARAM
#define	E   AV_OPT_FLAG_ENCODING_PARAM

Enumerations
enum	FTPState {   UNKNOWN, READY, DOWNLOADING, UPLOADING,   LISTING_DIR, DISCONNECTED, ENDOFFILE }
enum	FTPListingMethod { UNKNOWN_METHOD, NLST, MLSD }

Functions
static int	ftp_close (URLContext *h)
static int	ftp_getc (FTPContext *s)
static int	ftp_get_line (FTPContext *s, char *line, int line_size)
static int	ftp_status (FTPContext *s, char **line, const int response_codes[])
static int	ftp_send_command (FTPContext *s, const char *command, const int response_codes[], char **response)
static void	ftp_close_data_connection (FTPContext *s)
static void	ftp_close_both_connections (FTPContext *s)
static int	ftp_auth (FTPContext *s)
static int	ftp_passive_mode_epsv (FTPContext *s)
static int	ftp_passive_mode (FTPContext *s)
static int	ftp_current_dir (FTPContext *s)
static int	ftp_file_size (FTPContext *s)
static int	ftp_retrieve (FTPContext *s)
static int	ftp_store (FTPContext *s)
static int	ftp_type (FTPContext *s)
static int	ftp_restart (FTPContext *s, int64_t pos)
static int	ftp_set_dir (FTPContext *s)
static int	ftp_list_mlsd (FTPContext *s)
static int	ftp_list_nlst (FTPContext *s)
static int	ftp_list (FTPContext *s)
static int	ftp_has_feature (FTPContext *s, const char *feature_name)
static int	ftp_features (FTPContext *s)
static int	ftp_connect_control_connection (URLContext *h)
static int	ftp_connect_data_connection (URLContext *h)
static int	ftp_abort (URLContext *h)
static int	ftp_connect (URLContext *h, const char *url)
static int	ftp_open (URLContext *h, const char *url, int flags)
static int64_t	ftp_seek (URLContext *h, int64_t pos, int whence)
static int	ftp_read (URLContext *h, unsigned char *buf, int size)
static int	ftp_write (URLContext *h, const unsigned char *buf, int size)
static int	ftp_get_file_handle (URLContext *h)
static int	ftp_shutdown (URLContext *h, int flags)
static int	ftp_open_dir (URLContext *h)
static int64_t	ftp_parse_date (const char *date)
static int	ftp_parse_entry_nlst (char *line, AVIODirEntry *next)
static int	ftp_parse_entry_mlsd (char *mlsd, AVIODirEntry *next)
static int	ftp_parse_entry (URLContext *h, char *line, AVIODirEntry *next)
static int	ftp_read_dir (URLContext *h, AVIODirEntry **next)
static int	ftp_close_dir (URLContext *h)
static int	ftp_delete (URLContext *h)
static int	ftp_move (URLContext *h_src, URLContext *h_dst)

Variables
static const AVOption	options []
static const AVClass	ftp_context_class
const URLProtocol	ff_ftp_protocol

Macro Definition Documentation

CONTROL_BUFFER_SIZE

#define CONTROL_BUFFER_SIZE   1024

Definition at line 33 of file ftp.c.

DIR_BUFFER_SIZE

#define DIR_BUFFER_SIZE   4096

Definition at line 34 of file ftp.c.

OFFSET

#define OFFSET

(

x

)

offsetof(FTPContext, x)

Definition at line 80 of file ftp.c.

D

#define D   AV_OPT_FLAG_DECODING_PARAM

Definition at line 81 of file ftp.c.

E

#define E   AV_OPT_FLAG_ENCODING_PARAM

Definition at line 82 of file ftp.c.

Enumeration Type Documentation

FTPState

enum FTPState

Enumerator
UNKNOWN
READY
DOWNLOADING
UPLOADING
LISTING_DIR
DISCONNECTED
ENDOFFILE

Definition at line 36 of file ftp.c.

FTPListingMethod

enum FTPListingMethod

Enumerator
UNKNOWN_METHOD
NLST
MLSD

Definition at line 46 of file ftp.c.

Function Documentation

ftp_close()

static int ftp_close ( URLContext *  h )

static

Definition at line 882 of file ftp.c.

Referenced by ftp_delete(), ftp_move(), and ftp_open().

ftp_getc()

static int ftp_getc ( FTPContext *  s )

static

Definition at line 101 of file ftp.c.

Referenced by ftp_get_line().

ftp_get_line()

static int ftp_get_line ( FTPContext *  s, char *  line, int  line_size  )

static

Definition at line 118 of file ftp.c.

Referenced by ftp_status().

ftp_status()

static int ftp_status ( FTPContext *  s, char **  line, const int  response_codes[]  )

static

Definition at line 146 of file ftp.c.

Referenced by ftp_abort(), ftp_connect_control_connection(), ftp_read(), and ftp_send_command().

ftp_send_command()

static int ftp_send_command ( FTPContext *  s, const char *  command, const int  response_codes[], char **  response  )

static

Definition at line 207 of file ftp.c.

Referenced by ftp_abort(), ftp_auth(), ftp_current_dir(), ftp_delete(), ftp_features(), ftp_file_size(), ftp_list_mlsd(), ftp_list_nlst(), ftp_move(), ftp_passive_mode(), ftp_passive_mode_epsv(), ftp_restart(), ftp_retrieve(), ftp_set_dir(), ftp_store(), and ftp_type().

ftp_close_data_connection()

static void ftp_close_data_connection ( FTPContext *  s )

static

Definition at line 232 of file ftp.c.

Referenced by ftp_abort(), ftp_close_both_connections(), and ftp_read().

ftp_close_both_connections()

static void ftp_close_both_connections ( FTPContext *  s )

static

Definition at line 238 of file ftp.c.

Referenced by ftp_abort(), and ftp_close().

ftp_auth()

static int ftp_auth ( FTPContext *  s )

static

Definition at line 244 of file ftp.c.

Referenced by ftp_connect_control_connection().

ftp_passive_mode_epsv()

static int ftp_passive_mode_epsv ( FTPContext *  s )

static

Definition at line 270 of file ftp.c.

Referenced by ftp_connect_data_connection().

ftp_passive_mode()

static int ftp_passive_mode ( FTPContext *  s )

static

Definition at line 312 of file ftp.c.

Referenced by ftp_connect_data_connection().

ftp_current_dir()

static int ftp_current_dir ( FTPContext *  s )

static

Definition at line 358 of file ftp.c.

Referenced by ftp_connect().

ftp_file_size()

static int ftp_file_size ( FTPContext *  s )

static

Definition at line 396 of file ftp.c.

Referenced by ftp_open().

ftp_retrieve()

static int ftp_retrieve ( FTPContext *  s )

static

Definition at line 415 of file ftp.c.

Referenced by ftp_read().

ftp_store()

static int ftp_store ( FTPContext *  s )

static

Definition at line 431 of file ftp.c.

Referenced by ftp_write().

ftp_type()

static int ftp_type ( FTPContext *  s )

static

Definition at line 447 of file ftp.c.

Referenced by ftp_connect_control_connection().

ftp_restart()

static int ftp_restart ( FTPContext *  s, int64_t  pos  )

static

Definition at line 458 of file ftp.c.

Referenced by ftp_connect_data_connection(), and ftp_open().

ftp_set_dir()

static int ftp_set_dir ( FTPContext *  s )

static

Definition at line 470 of file ftp.c.

Referenced by ftp_open_dir().

ftp_list_mlsd()

static int ftp_list_mlsd ( FTPContext *  s )

static

Definition at line 481 of file ftp.c.

Referenced by ftp_list().

ftp_list_nlst()

static int ftp_list_nlst ( FTPContext *  s )

static

Definition at line 492 of file ftp.c.

Referenced by ftp_list().

ftp_list()

static int ftp_list ( FTPContext *  s )

static

Definition at line 503 of file ftp.c.

Referenced by ftp_open_dir().

ftp_has_feature()

static int ftp_has_feature ( FTPContext *  s, const char *  feature_name  )

static

Definition at line 514 of file ftp.c.

Referenced by ftp_features().

ftp_features()

static int ftp_features ( FTPContext *  s )

static

Definition at line 522 of file ftp.c.

Referenced by ftp_connect_control_connection().

ftp_connect_control_connection()

static int ftp_connect_control_connection ( URLContext *  h )

static

Definition at line 543 of file ftp.c.

Referenced by ftp_abort(), and ftp_connect().

ftp_connect_data_connection()

static int ftp_connect_data_connection ( URLContext *  h )

static

Definition at line 592 of file ftp.c.

Referenced by ftp_open_dir(), ftp_read(), and ftp_write().

ftp_abort()

static int ftp_abort ( URLContext *  h )

static

Definition at line 626 of file ftp.c.

Referenced by ftp_read(), and ftp_seek().

ftp_connect()

static int ftp_connect ( URLContext *  h, const char *  url  )

static

Definition at line 664 of file ftp.c.

Referenced by ftp_delete(), ftp_move(), ftp_open(), and ftp_open_dir().

ftp_open()

static int ftp_open ( URLContext *  h, const char *  url, int  flags  )

static

Definition at line 730 of file ftp.c.

ftp_seek()

static int64_t ftp_seek ( URLContext *  h, int64_t  pos, int  whence  )

static

Definition at line 756 of file ftp.c.

ftp_read()

static int ftp_read ( URLContext *  h, unsigned char *  buf, int  size  )

static

Definition at line 798 of file ftp.c.

ftp_write()

static int ftp_write ( URLContext *  h, const unsigned char *  buf, int  size  )

static

Definition at line 853 of file ftp.c.

ftp_get_file_handle()

static int ftp_get_file_handle ( URLContext *  h )

static

Definition at line 898 of file ftp.c.

ftp_shutdown()

static int ftp_shutdown ( URLContext *  h, int  flags  )

static

Definition at line 910 of file ftp.c.

ftp_open_dir()

static int ftp_open_dir ( URLContext *  h )

static

Definition at line 922 of file ftp.c.

ftp_parse_date()

static int64_t ftp_parse_date ( const char *  date )

static

Definition at line 949 of file ftp.c.

Referenced by ftp_parse_entry_mlsd().

ftp_parse_entry_nlst()

static int ftp_parse_entry_nlst ( char *  line, AVIODirEntry *  next  )

static

Definition at line 957 of file ftp.c.

Referenced by ftp_parse_entry().

ftp_parse_entry_mlsd()

static int ftp_parse_entry_mlsd ( char *  mlsd, AVIODirEntry *  next  )

static

Definition at line 963 of file ftp.c.

Referenced by ftp_parse_entry().

ftp_parse_entry()

static int ftp_parse_entry ( URLContext *  h, char *  line, AVIODirEntry *  next  )

static

Returns

0 on success, negative on error, positive on entry to discard.

Definition at line 1003 of file ftp.c.

Referenced by ftp_read_dir().

ftp_read_dir()

static int ftp_read_dir ( URLContext *  h, AVIODirEntry **  next  )

static

Definition at line 1018 of file ftp.c.

ftp_close_dir()

static int ftp_close_dir ( URLContext *  h )

static

Definition at line 1065 of file ftp.c.

ftp_delete()

static int ftp_delete ( URLContext *  h )

static

Definition at line 1074 of file ftp.c.

ftp_move()

static int ftp_move ( URLContext *  h_src, URLContext *  h_dst  )

static

Definition at line 1102 of file ftp.c.

Variable Documentation

options

const AVOption options[]

static

Initial value:

= {
    {"timeout", "set timeout of socket I/O operations", OFFSET(rw_timeout), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, D|E },
    {"ftp-write-seekable", "control seekability of connection during encoding", OFFSET(write_seekable), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, E },
    {"ftp-anonymous-password", "password for anonymous login. E-mail address should be used.", OFFSET(anonymous_password), AV_OPT_TYPE_STRING, { 0 }, 0, 0, D|E },
    {"ftp-user", "user for FTP login. Overridden by whatever is in the URL.", OFFSET(option_user), AV_OPT_TYPE_STRING, { 0 }, 0, 0, D|E },
    {"ftp-password", "password for FTP login. Overridden by whatever is in the URL.", OFFSET(option_password), AV_OPT_TYPE_STRING, { 0 }, 0, 0, D|E },
    {NULL}
}

Definition at line 83 of file ftp.c.

ftp_context_class

const AVClass ftp_context_class

static

Initial value:

= {
    .class_name     = "ftp",
    .item_name      = av_default_item_name,
    .option         = options,
    .version        = LIBAVUTIL_VERSION_INT,
}

Definition at line 92 of file ftp.c.

ff_ftp_protocol

const URLProtocol ff_ftp_protocol

Initial value:

= {
    .name                = "ftp",
    .url_open            = ftp_open,
    .url_read            = ftp_read,
    .url_write           = ftp_write,
    .url_seek            = ftp_seek,
    .url_close           = ftp_close,
    .url_get_file_handle = ftp_get_file_handle,
    .url_shutdown        = ftp_shutdown,
    .priv_data_size      = sizeof(FTPContext),
    .priv_data_class     = &ftp_context_class,
    .url_open_dir        = ftp_open_dir,
    .url_read_dir        = ftp_read_dir,
    .url_close_dir       = ftp_close_dir,
    .url_delete          = ftp_delete,
    .url_move            = ftp_move,
    .flags               = URL_PROTOCOL_FLAG_NETWORK,
    .default_whitelist   = "tcp",
}

Definition at line 1133 of file ftp.c.