163 lines
6.7 KiB
C
163 lines
6.7 KiB
C
#ifndef HEADER_CURL_FTP_H
|
|
#define HEADER_CURL_FTP_H
|
|
/***************************************************************************
|
|
* _ _ ____ _
|
|
* Project ___| | | | _ \| |
|
|
* / __| | | | |_) | |
|
|
* | (__| |_| | _ <| |___
|
|
* \___|\___/|_| \_\_____|
|
|
*
|
|
* Copyright (C) 1998 - 2019, 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 https://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_ftpsend(struct connectdata *, const char *cmd);
|
|
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 {
|
|
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;
|
|
|
|
/* This FTP struct is used in the Curl_easy. All FTP data that is
|
|
connection-oriented must be in FTP_conn to properly deal with the fact that
|
|
perhaps the Curl_easy is changed between the times the connection is
|
|
used. */
|
|
struct FTP {
|
|
char *user; /* user name string */
|
|
char *passwd; /* password string */
|
|
char *path; /* points to the urlpieces struct field */
|
|
char *pathalloc; /* if non-NULL a pointer to an allocated path */
|
|
|
|
/* 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_pp_transfer 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 */
|
|
int cwdcount; /* number of CWD commands issued */
|
|
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 */
|
|
curl_ftpfile prevmethod; /* ftp method in 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 */
|
|
/* newhost is the (allocated) IP addr or host name to connect the data
|
|
connection to */
|
|
char *newhost; /* this is the pair to connect the DATA... */
|
|
unsigned short newport; /* connection to */
|
|
|
|
};
|
|
|
|
#define DEFAULT_ACCEPT_TIMEOUT 60000 /* milliseconds == one minute */
|
|
|
|
#endif /* HEADER_CURL_FTP_H */
|