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vlc/modules/access/ftp.c

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/*****************************************************************************
* ftp.c: FTP input module
*****************************************************************************
* Copyright (C) 2001-2006 the VideoLAN team
* Copyright © 2006 Rémi Denis-Courmont
* $Id$
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr> - original code
* Rémi Denis-Courmont <rem # videolan.org> - EPSV support
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <vlc_common.h>
#include <vlc_plugin.h>
#include <assert.h>
#include <vlc_access.h>
#include <vlc_dialog.h>
#include <vlc_network.h>
#include <vlc_url.h>
#include <vlc_sout.h>
#include <vlc_charset.h>
#ifndef IPPORT_FTP
# define IPPORT_FTP 21u
#endif
/*****************************************************************************
* Module descriptor
*****************************************************************************/
static int InOpen ( vlc_object_t * );
static void InClose( vlc_object_t * );
static int OutOpen ( vlc_object_t * );
static void OutClose( vlc_object_t * );
#define CACHING_TEXT N_("Caching value in ms")
#define CACHING_LONGTEXT N_( \
"Caching value for FTP streams. This " \
"value should be set in milliseconds." )
#define USER_TEXT N_("FTP user name")
#define USER_LONGTEXT N_("User name that will " \
"be used for the connection.")
#define PASS_TEXT N_("FTP password")
#define PASS_LONGTEXT N_("Password that will be " \
"used for the connection.")
#define ACCOUNT_TEXT N_("FTP account")
#define ACCOUNT_LONGTEXT N_("Account that will be " \
"used for the connection.")
vlc_module_begin ()
set_shortname( "FTP" )
set_description( N_("FTP input") )
set_capability( "access", 0 )
set_category( CAT_INPUT )
set_subcategory( SUBCAT_INPUT_ACCESS )
add_integer( "ftp-caching", 2 * DEFAULT_PTS_DELAY / 1000,
CACHING_TEXT, CACHING_LONGTEXT, true )
change_safe()
add_string( "ftp-user", "anonymous", USER_TEXT, USER_LONGTEXT,
false )
add_string( "ftp-pwd", "anonymous@example.com", PASS_TEXT,
PASS_LONGTEXT, false )
add_string( "ftp-account", "anonymous", ACCOUNT_TEXT,
ACCOUNT_LONGTEXT, false )
add_shortcut( "ftp" )
set_callbacks( InOpen, InClose )
add_submodule ()
set_shortname( "FTP" )
set_description( N_("FTP upload output") )
set_capability( "sout access", 0 )
set_category( CAT_SOUT )
set_subcategory( SUBCAT_SOUT_ACO )
add_shortcut( "ftp" )
set_callbacks( OutOpen, OutClose )
vlc_module_end ()
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static ssize_t Read( access_t *, uint8_t *, size_t );
static ssize_t Write( sout_access_out_t *, block_t * );
static int Seek( access_t *, uint64_t );
static int OutSeek( sout_access_out_t *, off_t );
static int Control( access_t *, int, va_list );
struct access_sys_t
{
vlc_url_t url;
int fd_cmd;
int fd_data;
char sz_epsv_ip[NI_MAXNUMERICHOST];
bool out;
bool directory;
};
#define GET_OUT_SYS( p_this ) \
((access_sys_t *)(((sout_access_out_t *)(p_this))->p_sys))
static int ftp_SendCommand( vlc_object_t *, access_sys_t *, const char *, ... );
static int ftp_ReadCommand( vlc_object_t *, access_sys_t *, int *, char ** );
static int ftp_StartStream( vlc_object_t *, access_sys_t *, uint64_t );
static int ftp_StopStream ( vlc_object_t *, access_sys_t * );
static int Login( vlc_object_t *p_access, access_sys_t *p_sys )
{
int i_answer;
char *psz;
/* *** Open a TCP connection with server *** */
int fd = p_sys->fd_cmd = net_ConnectTCP( p_access, p_sys->url.psz_host,
p_sys->url.i_port );
if( fd == -1 )
{
msg_Err( p_access, "connection failed" );
dialog_Fatal( p_access, _("Network interaction failed"), "%s",
_("VLC could not connect with the given server.") );
return -1;
}
while( ftp_ReadCommand( p_access, p_sys, &i_answer, NULL ) == 1 );
if( i_answer / 100 != 2 )
{
msg_Err( p_access, "connection rejected" );
dialog_Fatal( p_access, _("Network interaction failed"), "%s",
_("VLC's connection to the given server was rejected.") );
return -1;
}
msg_Dbg( p_access, "connection accepted (%d)", i_answer );
if( p_sys->url.psz_username && *p_sys->url.psz_username )
psz = strdup( p_sys->url.psz_username );
else
psz = var_InheritString( p_access, "ftp-user" );
if( !psz )
return -1;
if( ftp_SendCommand( p_access, p_sys, "USER %s", psz ) < 0 ||
ftp_ReadCommand( p_access, p_sys, &i_answer, NULL ) < 0 )
{
free( psz );
return -1;
}
free( psz );
switch( i_answer / 100 )
{
case 2:
msg_Dbg( p_access, "user accepted" );
break;
case 3:
msg_Dbg( p_access, "password needed" );
if( p_sys->url.psz_password && *p_sys->url.psz_password )
psz = strdup( p_sys->url.psz_password );
else
psz = var_InheritString( p_access, "ftp-pwd" );
if( !psz )
return -1;
if( ftp_SendCommand( p_access, p_sys, "PASS %s", psz ) < 0 ||
ftp_ReadCommand( p_access, p_sys, &i_answer, NULL ) < 0 )
{
free( psz );
return -1;
}
free( psz );
switch( i_answer / 100 )
{
case 2:
msg_Dbg( p_access, "password accepted" );
break;
case 3:
msg_Dbg( p_access, "account needed" );
psz = var_InheritString( p_access, "ftp-account" );
if( ftp_SendCommand( p_access, p_sys, "ACCT %s",
psz ) < 0 ||
ftp_ReadCommand( p_access, p_sys, &i_answer, NULL ) < 0 )
{
free( psz );
return -1;
}
free( psz );
if( i_answer / 100 != 2 )
{
msg_Err( p_access, "account rejected" );
dialog_Fatal( p_access,
_("Network interaction failed"),
"%s", _("Your account was rejected.") );
return -1;
}
msg_Dbg( p_access, "account accepted" );
break;
default:
msg_Err( p_access, "password rejected" );
dialog_Fatal( p_access, _("Network interaction failed"),
"%s", _("Your password was rejected.") );
return -1;
}
break;
default:
msg_Err( p_access, "user rejected" );
dialog_Fatal( p_access, _("Network interaction failed"), "%s",
_("Your connection attempt to the server was rejected.") );
return -1;
}
return 0;
}
static int Connect( vlc_object_t *p_access, access_sys_t *p_sys )
{
if( Login( p_access, p_sys ) < 0 )
return -1;
/* Extended passive mode */
if( ftp_SendCommand( p_access, p_sys, "EPSV ALL" ) < 0 )
{
msg_Err( p_access, "cannot request extended passive mode" );
net_Close( p_sys->fd_cmd );
return -1;
}
if( ftp_ReadCommand( p_access, p_sys, NULL, NULL ) == 2 )
{
if( net_GetPeerAddress( p_sys->fd_cmd, p_sys->sz_epsv_ip, NULL ) )
{
net_Close( p_sys->fd_cmd );
return -1;
}
}
else
{
/* If ESPV ALL fails, we fallback to PASV.
* We have to restart the connection in case there is a NAT that
* understands EPSV ALL in the way, and hence won't allow PASV on
* the initial connection.
*/
msg_Info( p_access, "FTP Extended passive mode disabled" );
net_Close( p_sys->fd_cmd );
if( Login( p_access, p_sys ) )
{
net_Close( p_sys->fd_cmd );
return -1;
}
}
/* check binary mode support */
if( ftp_SendCommand( p_access, p_sys, "TYPE I" ) < 0 ||
ftp_ReadCommand( p_access, p_sys, NULL, NULL ) != 2 )
{
msg_Err( p_access, "cannot set binary transfer mode" );
net_Close( p_sys->fd_cmd );
return -1;
}
return 0;
}
static int parseURL( vlc_url_t *url, const char *path )
{
if( path == NULL )
return VLC_EGENERIC;
/* *** Parse URL and get server addr/port and path *** */
while( *path == '/' )
path++;
vlc_UrlParse( url, path, 0 );
if( url->psz_host == NULL || *url->psz_host == '\0' )
return VLC_EGENERIC;
if( url->i_port <= 0 )
url->i_port = IPPORT_FTP; /* default port */
if( url->psz_path == NULL )
return VLC_SUCCESS;
/* FTP URLs are relative to user's default directory (RFC1738 §3.2)
For absolute path use ftp://foo.bar//usr/local/etc/filename */
/* FIXME: we should issue a series of CWD, one per slash */
if( url->psz_path )
{
assert( url->psz_path[0] == '/' );
url->psz_path++;
}
char *type = strstr( url->psz_path, ";type=" );
if( type )
{
*type = '\0';
if( strchr( "iI", type[6] ) == NULL )
return VLC_EGENERIC; /* ASCII and directory not supported */
}
decode_URI( url->psz_path );
/* FIXME: check for UTF-8 support, otherwise only ASCII is allowed */
EnsureUTF8( url->psz_path );
return VLC_SUCCESS;
}
/****************************************************************************
* Open: connect to ftp server and ask for file
****************************************************************************/
static int InOpen( vlc_object_t *p_this )
{
access_t *p_access = (access_t*)p_this;
access_sys_t *p_sys;
char *psz_arg;
/* Init p_access */
STANDARD_READ_ACCESS_INIT
p_sys->fd_data = -1;
p_sys->out = false;
p_sys->directory = false;
if( parseURL( &p_sys->url, p_access->psz_location ) )
goto exit_error;
if( Connect( p_this, p_sys ) )
goto exit_error;
/* get size */
if( p_sys->url.psz_path == NULL )
p_sys->directory = true;
else
if( ftp_SendCommand( p_this, p_sys, "SIZE %s", p_sys->url.psz_path ) < 0 )
goto error;
else
if ( ftp_ReadCommand( p_this, p_sys, NULL, &psz_arg ) == 2 )
{
p_access->info.i_size = atoll( &psz_arg[4] );
free( psz_arg );
msg_Dbg( p_access, "file size: %"PRIu64, p_access->info.i_size );
}
else
if( ftp_SendCommand( p_this, p_sys, "CWD %s", p_sys->url.psz_path ) < 0 )
goto error;
else
if( ftp_ReadCommand( p_this, p_sys, NULL, NULL ) != 2 )
{
msg_Err( p_access, "file or directory does not exist" );
goto error;
}
else
p_sys->directory = true;
/* Start the 'stream' */
if( ftp_StartStream( p_this, p_sys, 0 ) < 0 )
{
msg_Err( p_access, "cannot retrieve file" );
net_Close( p_sys->fd_cmd );
goto exit_error;
}
/* Update default_pts to a suitable value for ftp access */
var_Create( p_access, "ftp-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
return VLC_SUCCESS;
error:
net_Close( p_sys->fd_cmd );
exit_error:
vlc_UrlClean( &p_sys->url );
free( p_sys );
return VLC_EGENERIC;
}
static int OutOpen( vlc_object_t *p_this )
{
sout_access_out_t *p_access = (sout_access_out_t *)p_this;
access_sys_t *p_sys;
p_sys = calloc( 1, sizeof( *p_sys ) );
if( !p_sys )
return VLC_ENOMEM;
/* Init p_access */
p_sys->fd_data = -1;
p_sys->out = true;
if( parseURL( &p_sys->url, p_access->psz_path ) )
goto exit_error;
if( p_sys->url.psz_path == NULL )
{
msg_Err( p_this, "no filename specified" );
goto exit_error;
}
if( Connect( p_this, p_sys ) )
goto exit_error;
/* Start the 'stream' */
if( ftp_StartStream( p_this, p_sys, 0 ) < 0 )
{
msg_Err( p_access, "cannot store file" );
net_Close( p_sys->fd_cmd );
goto exit_error;
}
p_access->pf_seek = OutSeek;
p_access->pf_write = Write;
p_access->p_sys = (void *)p_sys;
return VLC_SUCCESS;
exit_error:
vlc_UrlClean( &p_sys->url );
free( p_sys );
return VLC_EGENERIC;
}
/*****************************************************************************
* Close: free unused data structures
*****************************************************************************/
static void Close( vlc_object_t *p_access, access_sys_t *p_sys )
{
msg_Dbg( p_access, "stopping stream" );
ftp_StopStream( p_access, p_sys );
if( ftp_SendCommand( p_access, p_sys, "QUIT" ) < 0 )
{
msg_Warn( p_access, "cannot quit" );
}
else
{
ftp_ReadCommand( p_access, p_sys, NULL, NULL );
}
net_Close( p_sys->fd_cmd );
/* free memory */
vlc_UrlClean( &p_sys->url );
free( p_sys );
}
static void InClose( vlc_object_t *p_this )
{
Close( p_this, ((access_t *)p_this)->p_sys);
}
static void OutClose( vlc_object_t *p_this )
{
Close( p_this, GET_OUT_SYS(p_this));
}
/*****************************************************************************
* Seek: try to go at the right place
*****************************************************************************/
static int _Seek( vlc_object_t *p_access, access_sys_t *p_sys, uint64_t i_pos )
{
msg_Dbg( p_access, "seeking to %"PRIu64, i_pos );
ftp_StopStream( (vlc_object_t *)p_access, p_sys );
if( ftp_StartStream( (vlc_object_t *)p_access, p_sys, i_pos ) < 0 )
return VLC_EGENERIC;
return VLC_SUCCESS;
}
static int Seek( access_t *p_access, uint64_t i_pos )
{
int val = _Seek( (vlc_object_t *)p_access, p_access->p_sys, i_pos );
if( val )
return val;
p_access->info.b_eof = false;
p_access->info.i_pos = i_pos;
return VLC_SUCCESS;
}
static int OutSeek( sout_access_out_t *p_access, off_t i_pos )
{
return _Seek( (vlc_object_t *)p_access, GET_OUT_SYS( p_access ), i_pos);
}
/*****************************************************************************
* Read:
*****************************************************************************/
static ssize_t Read( access_t *p_access, uint8_t *p_buffer, size_t i_len )
{
access_sys_t *p_sys = p_access->p_sys;
assert( p_sys->fd_data != -1 );
assert( !p_sys->out );
if( p_access->info.b_eof )
return 0;
if( p_sys->directory )
{
char *psz_line = net_Gets( p_access, p_sys->fd_data, NULL );
if( !psz_line )
{
p_access->info.b_eof = true;
return 0;
}
else
{
snprintf( (char*)p_buffer, i_len, "ftp://%s:%d/%s/%s\n",
p_sys->url.psz_host, p_sys->url.i_port,
p_sys->url.psz_path, psz_line );
free( psz_line );
return strlen( (const char *)p_buffer );
}
}
else
{
int i_read = net_Read( p_access, p_sys->fd_data, NULL,
p_buffer, i_len, false );
if( i_read == 0 )
p_access->info.b_eof = true;
else if( i_read > 0 )
p_access->info.i_pos += i_read;
return i_read;
}
}
/*****************************************************************************
* Write:
*****************************************************************************/
static ssize_t Write( sout_access_out_t *p_access, block_t *p_buffer )
{
access_sys_t *p_sys = GET_OUT_SYS(p_access);
size_t i_write = 0;
assert( p_sys->fd_data != -1 );
while( p_buffer != NULL )
{
block_t *p_next = p_buffer->p_next;;
i_write += net_Write( p_access, p_sys->fd_data, NULL,
p_buffer->p_buffer, p_buffer->i_buffer );
block_Release( p_buffer );
p_buffer = p_next;
}
return i_write;
}
/*****************************************************************************
* Control:
*****************************************************************************/
static int Control( access_t *p_access, int i_query, va_list args )
{
bool *pb_bool;
int64_t *pi_64;
switch( i_query )
{
/* */
case ACCESS_CAN_SEEK:
pb_bool = (bool*)va_arg( args, bool* );
*pb_bool = !p_access->p_sys->directory;
break;
case ACCESS_CAN_FASTSEEK:
pb_bool = (bool*)va_arg( args, bool* );
*pb_bool = false;
break;
case ACCESS_CAN_PAUSE:
pb_bool = (bool*)va_arg( args, bool* );
*pb_bool = true; /* FIXME */
break;
case ACCESS_CAN_CONTROL_PACE:
pb_bool = (bool*)va_arg( args, bool* );
*pb_bool = true; /* FIXME */
break;
/* */
case ACCESS_GET_PTS_DELAY:
pi_64 = (int64_t*)va_arg( args, int64_t * );
*pi_64 = var_GetInteger( p_access, "ftp-caching" ) * INT64_C(1000);
break;
/* */
case ACCESS_SET_PAUSE_STATE:
pb_bool = (bool*)va_arg( args, bool* );
if ( !pb_bool )
return Seek( p_access, p_access->info.i_pos );
break;
case ACCESS_GET_TITLE_INFO:
case ACCESS_SET_TITLE:
case ACCESS_SET_SEEKPOINT:
case ACCESS_SET_PRIVATE_ID_STATE:
case ACCESS_GET_CONTENT_TYPE:
case ACCESS_GET_META:
return VLC_EGENERIC;
default:
msg_Warn( p_access, "unimplemented query in control: %d", i_query);
return VLC_EGENERIC;
}
return VLC_SUCCESS;
}
/*****************************************************************************
* ftp_*:
*****************************************************************************/
static int ftp_SendCommand( vlc_object_t *p_access, access_sys_t *p_sys,
const char *psz_fmt, ... )
{
va_list args;
char *psz_cmd;
va_start( args, psz_fmt );
if( vasprintf( &psz_cmd, psz_fmt, args ) == -1 )
return VLC_EGENERIC;
va_end( args );
msg_Dbg( p_access, "ftp_SendCommand:\"%s\"", psz_cmd);
if( net_Printf( p_access, p_sys->fd_cmd, NULL, "%s\r\n", psz_cmd ) < 0 )
{
msg_Err( p_access, "failed to send command" );
return VLC_EGENERIC;
}
return VLC_SUCCESS;
}
/* TODO support this s**t :
RFC 959 allows the client to send certain TELNET strings at any moment,
even in the middle of a request:
* \377\377.
* \377\376x where x is one byte.
* \377\375x where x is one byte. The server is obliged to send \377\374x
* immediately after reading x.
* \377\374x where x is one byte.
* \377\373x where x is one byte. The server is obliged to send \377\376x
* immediately after reading x.
* \377x for any other byte x.
These strings are not part of the requests, except in the case \377\377,
where the request contains one \377. */
static int ftp_ReadCommand( vlc_object_t *p_access, access_sys_t *p_sys,
int *pi_answer, char **ppsz_answer )
{
char *psz_line;
int i_answer;
psz_line = net_Gets( p_access, p_sys->fd_cmd, NULL );
if( psz_line == NULL || strlen( psz_line ) < 3 )
{
msg_Err( p_access, "cannot get answer" );
free( psz_line );
if( pi_answer ) *pi_answer = 500;
if( ppsz_answer ) *ppsz_answer = NULL;
return -1;
}
msg_Dbg( p_access, "answer=%s", psz_line );
if( psz_line[3] == '-' ) /* Multiple response */
{
char end[4];
memcpy( end, psz_line, 3 );
end[3] = ' ';
for( ;; )
{
char *psz_tmp = net_Gets( p_access, p_sys->fd_cmd, NULL );
if( psz_tmp == NULL ) /* Error */
break;
if( !strncmp( psz_tmp, end, 4 ) )
{
free( psz_tmp );
break;
}
free( psz_tmp );
}
}
i_answer = atoi( psz_line );
if( pi_answer ) *pi_answer = i_answer;
if( ppsz_answer )
{
*ppsz_answer = psz_line;
}
else
{
free( psz_line );
}
return( i_answer / 100 );
}
static int ftp_StartStream( vlc_object_t *p_access, access_sys_t *p_sys,
uint64_t i_start )
{
char psz_ipv4[16], *psz_ip = p_sys->sz_epsv_ip;
int i_answer;
char *psz_arg, *psz_parser;
int i_port;
assert( p_sys->fd_data == -1 );
if( ( ftp_SendCommand( p_access, p_sys, *psz_ip ? "EPSV" : "PASV" ) < 0 )
|| ( ftp_ReadCommand( p_access, p_sys, &i_answer, &psz_arg ) != 2 ) )
{
msg_Err( p_access, "cannot set passive mode" );
return VLC_EGENERIC;
}
psz_parser = strchr( psz_arg, '(' );
if( psz_parser == NULL )
{
free( psz_arg );
msg_Err( p_access, "cannot parse passive mode response" );
return VLC_EGENERIC;
}
if( *psz_ip )
{
char psz_fmt[7] = "(|||%u";
psz_fmt[1] = psz_fmt[2] = psz_fmt[3] = psz_parser[1];
if( sscanf( psz_parser, psz_fmt, &i_port ) < 1 )
{
free( psz_arg );
msg_Err( p_access, "cannot parse passive mode response" );
return VLC_EGENERIC;
}
}
else
{
unsigned a1, a2, a3, a4, p1, p2;
if( ( sscanf( psz_parser, "(%u,%u,%u,%u,%u,%u", &a1, &a2, &a3, &a4,
&p1, &p2 ) < 6 ) || ( a1 > 255 ) || ( a2 > 255 )
|| ( a3 > 255 ) || ( a4 > 255 ) || ( p1 > 255 ) || ( p2 > 255 ) )
{
free( psz_arg );
msg_Err( p_access, "cannot parse passive mode response" );
return VLC_EGENERIC;
}
sprintf( psz_ipv4, "%u.%u.%u.%u", a1, a2, a3, a4 );
psz_ip = psz_ipv4;
i_port = (p1 << 8) | p2;
}
free( psz_arg );
msg_Dbg( p_access, "ip:%s port:%d", psz_ip, i_port );
if( ftp_SendCommand( p_access, p_sys, "TYPE I" ) < 0 ||
ftp_ReadCommand( p_access, p_sys, &i_answer, NULL ) != 2 )
{
msg_Err( p_access, "cannot set binary transfer mode" );
return VLC_EGENERIC;
}
if( i_start > 0 )
{
if( ftp_SendCommand( p_access, p_sys, "REST %"PRIu64, i_start ) < 0 ||
ftp_ReadCommand( p_access, p_sys, &i_answer, NULL ) > 3 )
{
msg_Err( p_access, "cannot set restart offset" );
return VLC_EGENERIC;
}
}
msg_Dbg( p_access, "waiting for data connection..." );
p_sys->fd_data = net_ConnectTCP( p_access, psz_ip, i_port );
if( p_sys->fd_data < 0 )
{
msg_Err( p_access, "failed to connect with server" );
return VLC_EGENERIC;
}
msg_Dbg( p_access, "connection with \"%s:%d\" successful",
psz_ip, i_port );
if( p_sys->directory )
{
if( ftp_SendCommand( p_access, p_sys, "NLST" ) < 0 ||
ftp_ReadCommand( p_access, p_sys, NULL, &psz_arg ) > 2 )
{
msg_Err( p_access, "cannot list directory contents" );
return VLC_EGENERIC;
}
}
else
{
/* "1xx" message */
assert( p_sys->url.psz_path );
if( ftp_SendCommand( p_access, p_sys, "%s %s",
p_sys->out ? "STOR" : "RETR",
p_sys->url.psz_path ) < 0
|| ftp_ReadCommand( p_access, p_sys, &i_answer, NULL ) > 2 )
{
msg_Err( p_access, "cannot retrieve file" );
return VLC_EGENERIC;
}
}
shutdown( p_sys->fd_data, p_sys->out ? SHUT_RD : SHUT_WR );
return VLC_SUCCESS;
}
static int ftp_StopStream ( vlc_object_t *p_access, access_sys_t *p_sys )
{
if( ftp_SendCommand( p_access, p_sys, "ABOR" ) < 0 )
{
msg_Warn( p_access, "cannot abort file" );
if( p_sys->fd_data > 0 )
net_Close( p_sys->fd_data );
p_sys->fd_data = -1;
return VLC_EGENERIC;
}
if( p_sys->fd_data != -1 )
{
net_Close( p_sys->fd_data );
p_sys->fd_data = -1;
/* Read the final response from RETR/STOR, i.e. 426 or 226 */
ftp_ReadCommand( p_access, p_sys, NULL, NULL );
}
/* Read the response from ABOR, i.e. 226 or 225 */
ftp_ReadCommand( p_access, p_sys, NULL, NULL );
return VLC_SUCCESS;
}