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#ifndef HEADER_CURL_FTP_H
#define HEADER_CURL_FTP_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include "pingpong.h"
#ifndef CURL_DISABLE_FTP
extern const struct Curl_handler Curl_handler_ftp;
#ifdef USE_SSL
extern const struct Curl_handler Curl_handler_ftps;
#endif
CURLcode Curl_ftpsendf(struct connectdata *, const char *fmt, ...);
CURLcode Curl_GetFTPResponse(ssize_t *nread, struct connectdata *conn,
int *ftpcode);
#endif /* CURL_DISABLE_FTP */
/****************************************************************************
* FTP unique setup
***************************************************************************/
typedef enum {
FTP_STOP, /* do nothing state, stops the state machine */
FTP_WAIT220, /* waiting for the initial 220 response immediately after
a connect */
FTP_AUTH,
FTP_USER,
FTP_PASS,
FTP_ACCT,
FTP_PBSZ,
FTP_PROT,
FTP_CCC,
FTP_PWD,
FTP_SYST,
FTP_NAMEFMT,
FTP_QUOTE, /* waiting for a response to a command sent in a quote list */
FTP_RETR_PREQUOTE,
FTP_STOR_PREQUOTE,
FTP_POSTQUOTE,
FTP_CWD, /* change dir */
FTP_MKD, /* if the dir didn't exist */
FTP_MDTM, /* to figure out the datestamp */
FTP_TYPE, /* to set type when doing a head-like request */
FTP_LIST_TYPE, /* set type when about to do a dir list */
FTP_RETR_TYPE, /* set type when about to RETR a file */
FTP_STOR_TYPE, /* set type when about to STOR a file */
FTP_SIZE, /* get the remote file's size for head-like request */
FTP_RETR_SIZE, /* get the remote file's size for RETR */
FTP_STOR_SIZE, /* get the size for STOR */
FTP_REST, /* when used to check if the server supports it in head-like */
FTP_RETR_REST, /* when asking for "resume" in for RETR */
FTP_PORT, /* generic state for PORT, LPRT and EPRT, check count1 */
FTP_PRET, /* generic state for PRET RETR, PRET STOR and PRET LIST/NLST */
FTP_PASV, /* generic state for PASV and EPSV, check count1 */
FTP_LIST, /* generic state for LIST, NLST or a custom list command */
FTP_RETR,
FTP_STOR, /* generic state for STOR and APPE */
FTP_QUIT,
FTP_LAST /* never used */
} ftpstate;
struct ftp_parselist_data; /* defined later in ftplistparser.c */
struct ftp_wc_tmpdata {
struct ftp_parselist_data *parser;
struct {
curl_write_callback write_function;
FILE *file_descriptor;
} backup;
};
typedef enum {
FTPFILE_MULTICWD = 1, /* as defined by RFC1738 */
FTPFILE_NOCWD = 2, /* use SIZE / RETR / STOR on the full path */
FTPFILE_SINGLECWD = 3 /* make one CWD, then SIZE / RETR / STOR on the
file */
} curl_ftpfile;
typedef enum {
FTPTRANSFER_BODY, /* yes do transfer a body */
FTPTRANSFER_INFO, /* do still go through to get info/headers */
FTPTRANSFER_NONE, /* don't get anything and don't get info */
FTPTRANSFER_LAST /* end of list marker, never used */
} curl_ftptransfer;
/* This FTP struct is used in the SessionHandle. All FTP data that is
connection-oriented must be in FTP_conn to properly deal with the fact that
perhaps the SessionHandle is changed between the times the connection is
used. */
struct FTP {
curl_off_t *bytecountp;
char *user; /* user name string */
char *passwd; /* password string */
/* transfer a file/body or not, done as a typedefed enum just to make
debuggers display the full symbol and not just the numerical value */
curl_ftptransfer transfer;
curl_off_t downloadsize;
};
/* ftp_conn is used for struct connection-oriented data in the connectdata
struct */
struct ftp_conn {
struct pingpong pp;
char *entrypath; /* the PWD reply when we logged on */
char **dirs; /* realloc()ed array for path components */
int dirdepth; /* number of entries used in the 'dirs' array */
int diralloc; /* number of entries allocated for the 'dirs' array */
char *file; /* decoded file */
bool dont_check; /* Set to TRUE to prevent the final (post-transfer)
file size and 226/250 status check. It should still
read the line, just ignore the result. */
bool ctl_valid; /* Tells Curl_ftp_quit() whether or not to do anything. If
the connection has timed out or been closed, this
should be FALSE when it gets to Curl_ftp_quit() */
bool cwddone; /* if it has been determined that the proper CWD combo
already has been done */
bool cwdfail; /* set TRUE if a CWD command fails, as then we must prevent
caching the current directory */
bool wait_data_conn; /* this is set TRUE if data connection is waited */
char *prevpath; /* conn->path from the previous transfer */
char transfertype; /* set by ftp_transfertype for use by Curl_client_write()a
and others (A/I or zero) */
int count1; /* general purpose counter for the state machine */
int count2; /* general purpose counter for the state machine */
int count3; /* general purpose counter for the state machine */
ftpstate state; /* always use ftp.c:state() to change state! */
ftpstate state_saved; /* transfer type saved to be reloaded after
data connection is established */
curl_off_t retr_size_saved; /* Size of retrieved file saved */
char * server_os; /* The target server operating system. */
curl_off_t known_filesize; /* file size is different from -1, if wildcard
LIST parsing was done and wc_statemach set
it */
};
#define DEFAULT_ACCEPT_TIMEOUT 60000 /* milliseconds == one minute */
#endif /* HEADER_CURL_FTP_H */
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