[BACK]Return to ftp.1 CVS log [TXT][DIR] Up to [local] / src / usr.bin / ftp

Annotation of src/usr.bin/ftp/ftp.1, Revision 1.117

1.117   ! jmc         1: .\"    $OpenBSD: ftp.1,v 1.116 2019/10/23 16:48:59 deraadt Exp $
1.115     florian     2: .\"    $NetBSD: ftp.1,v 1.22 1997/08/18 10:20:22 lukem Exp $
1.111     jasper      3: .\"
1.1       deraadt     4: .\" Copyright (c) 1985, 1989, 1990, 1993
                      5: .\"    The Regents of the University of California.  All rights reserved.
                      6: .\"
                      7: .\" Redistribution and use in source and binary forms, with or without
                      8: .\" modification, are permitted provided that the following conditions
                      9: .\" are met:
                     10: .\" 1. Redistributions of source code must retain the above copyright
                     11: .\"    notice, this list of conditions and the following disclaimer.
                     12: .\" 2. Redistributions in binary form must reproduce the above copyright
                     13: .\"    notice, this list of conditions and the following disclaimer in the
                     14: .\"    documentation and/or other materials provided with the distribution.
1.39      millert    15: .\" 3. Neither the name of the University nor the names of its contributors
1.1       deraadt    16: .\"    may be used to endorse or promote products derived from this software
                     17: .\"    without specific prior written permission.
                     18: .\"
                     19: .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     20: .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     21: .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     22: .\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     23: .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     24: .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     25: .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     26: .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     27: .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     28: .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     29: .\" SUCH DAMAGE.
                     30: .\"
                     31: .\"    @(#)ftp.1       8.3 (Berkeley) 10/9/94
                     32: .\"
1.117   ! jmc        33: .Dd $Mdocdate: October 23 2019 $
1.1       deraadt    34: .Dt FTP 1
1.25      aaron      35: .Os
1.1       deraadt    36: .Sh NAME
                     37: .Nm ftp
1.86      lteo       38: .Nd Internet file transfer program
1.1       deraadt    39: .Sh SYNOPSIS
1.115     florian    40: .Nm ftp
                     41: .Op Fl 46AadEegiMmnptVv
1.91      jmc        42: .Op Fl D Ar title
1.115     florian    43: .Op Fl k Ar seconds
                     44: .Op Fl P Ar port
                     45: .Op Fl r Ar seconds
                     46: .Op Fl s Ar srcaddr
1.6       millert    47: .Op Ar host Op Ar port
1.115     florian    48: .Nm ftp
                     49: .Op Fl C
1.116     deraadt    50: .Op Fl N Ar name
1.115     florian    51: .Op Fl o Ar output
                     52: .Op Fl s Ar srcaddr
                     53: .Sm off
                     54: .Pf ftp:// Op Ar user : password No @
                     55: .Ar host Op : Ar port
                     56: .No / Ar file Op /
                     57: .Sm on
                     58: .Ar ...
                     59: .Nm ftp
                     60: .Op Fl C
                     61: .Op Fl c Ar cookie
1.116     deraadt    62: .Op Fl N Ar name
1.42      jmc        63: .Op Fl o Ar output
1.115     florian    64: .Op Fl S Ar ssl_options
                     65: .Op Fl s Ar srcaddr
1.93      lteo       66: .Op Fl U Ar useragent
1.105     deraadt    67: .Op Fl w Ar seconds
1.115     florian    68: .Sm off
                     69: .Pf http Oo s Oc ://
                     70: .Op Ar user : password No @
                     71: .Ar host Op : Ar port
                     72: .No / Ar file
                     73: .Sm on
                     74: .Ar ...
                     75: .Nm ftp
                     76: .Op Fl C
1.116     deraadt    77: .Op Fl N Ar name
1.115     florian    78: .Op Fl o Ar output
                     79: .Op Fl s Ar srcaddr
                     80: .Pf file: Ar
                     81: .Nm ftp
                     82: .Op Fl C
1.116     deraadt    83: .Op Fl N Ar name
1.115     florian    84: .Op Fl o Ar output
                     85: .Op Fl s Ar srcaddr
                     86: .Ar host : Ns / Ns Ar file Ns Op /
                     87: .Ar ...
1.1       deraadt    88: .Sh DESCRIPTION
1.27      aaron      89: .Nm
1.86      lteo       90: is the user interface to the Internet standard File Transfer
                     91: Protocol (FTP).
1.1       deraadt    92: The program allows a user to transfer files to and from a
                     93: remote network site.
1.3       deraadt    94: .Pp
1.115     florian    95: The latter four usage formats will fetch a file using either the
                     96: FTP, HTTP, or HTTPS protocols into the current directory.
1.29      aaron      97: This is ideal for scripts.
                     98: Refer to
1.9       millert    99: .Sx AUTO-FETCHING FILES
                    100: below for more information.
1.7       millert   101: .Pp
1.28      aaron     102: The options are as follows:
1.32      aaron     103: .Bl -tag -width Ds
1.42      jmc       104: .It Fl 4
                    105: Forces
                    106: .Nm
                    107: to use IPv4 addresses only.
                    108: .It Fl 6
                    109: Forces
                    110: .Nm
1.115     florian   111: to use IPv6 addresses only.
1.16      millert   112: .It Fl A
1.48      jmc       113: Force active mode FTP.
1.29      aaron     114: By default,
1.16      millert   115: .Nm
1.48      jmc       116: will try to use passive mode FTP and fall back to active mode
1.29      aaron     117: if passive is not supported by the server.
                    118: This option causes
1.16      millert   119: .Nm
1.29      aaron     120: to always use an active connection.
                    121: It is only useful for connecting
1.16      millert   122: to very old servers that do not implement passive mode properly.
1.115     florian   123: .It Fl a
                    124: Causes
                    125: .Nm
                    126: to bypass the normal login procedure and use an anonymous login instead.
1.63      martynas  127: .It Fl C
1.65      jmc       128: Continue a previously interrupted file transfer.
1.64      jmc       129: .Nm
1.115     florian   130: will continue transferring from an offset equal to the length of
                    131: .Ar file .
1.65      jmc       132: .Pp
1.115     florian   133: Resuming HTTP(S) transfers are only supported
                    134: if the remote server supports the
1.64      jmc       135: .Dq Range
                    136: header.
1.115     florian   137: .It Fl c Ar cookie
                    138: Load a Netscape-like cookiejar file
                    139: for HTTP and HTTPS transfers.
                    140: With this option relevant cookies from the jar are sent with each HTTP(S)
                    141: request.
                    142: Setting the
                    143: .Ev http_cookies
                    144: environment variable has the same effect.
                    145: If both the
                    146: .Ev http_cookies
                    147: environment variable is set and the
                    148: .Fl c
                    149: argument is given, the latter takes precedence.
1.91      jmc       150: .It Fl D Ar title
1.115     florian   151: Specify a short
                    152: .Ar title
                    153: for the start of the progress bar.
                    154: .It Fl d
                    155: Enables debugging.
                    156: .It Fl E
                    157: Disables EPSV/EPRT command on IPv4 connections.
                    158: .It Fl e
                    159: Disables command line editing.
                    160: Useful for Emacs ange-ftp.
                    161: .It Fl g
                    162: Disables file name globbing.
                    163: .It Fl i
                    164: Turns off interactive prompting during
                    165: multiple file transfers.
                    166: .It Fl k Ar seconds
                    167: When greater than zero,
                    168: sends a byte after each
                    169: .Ar seconds
                    170: period over the control connection during long transfers,
                    171: so that incorrectly configured network equipment won't
                    172: aggressively drop it.
                    173: The FTP protocol supports a
                    174: .Dv NOOP
                    175: command that can be used for that purpose.
                    176: This assumes the FTP server can deal with extra commands coming over
                    177: the control connection during a transfer.
                    178: Well-behaved servers queue those commands, and process them after the
                    179: transfer.
                    180: By default,
                    181: .Nm
                    182: will send a byte every 60 seconds.
1.97      tedu      183: .It Fl M
                    184: Causes
                    185: .Nm
1.115     florian   186: to never display the progress meter in cases where it would do
                    187: so by default.
1.114     kmos      188: .It Fl m
                    189: Causes
                    190: .Nm
1.115     florian   191: to always display the progress meter in cases where it would not do
                    192: so by default.
1.117   ! jmc       193: .It Fl N Ar name
        !           194: Use this alternative name instead of
        !           195: .Nm
        !           196: in some error reports.
1.115     florian   197: .It Fl n
                    198: Restrains
                    199: .Nm
                    200: from attempting
                    201: .Dq auto-login
                    202: upon initial connection.
                    203: If auto-login is enabled,
                    204: .Nm
                    205: will check the
                    206: .Pa .netrc
                    207: file (see below) in the user's home directory for an entry describing
                    208: an account on the remote machine.
                    209: If no entry exists,
                    210: .Nm
                    211: will prompt for the remote machine login name (default is the user
                    212: identity on the local machine) and, if necessary, prompt for a password
                    213: and an account with which to log in.
1.17      millert   214: .It Fl o Ar output
1.115     florian   215: When fetching a single file or URL, save the contents in
1.17      millert   216: .Ar output .
1.115     florian   217: To make the contents go to stdout,
                    218: use
                    219: .Sq -
                    220: for
1.17      millert   221: .Ar output .
1.115     florian   222: .It Fl P Ar port
                    223: Sets the port number to
                    224: .Ar port .
                    225: .It Fl p
                    226: Enable passive mode operation for use behind connection filtering firewalls.
                    227: This option has been deprecated as
                    228: .Nm
                    229: now tries to use passive mode by default, falling back to active mode
                    230: if the server does not support passive connections.
                    231: .It Fl r Ar seconds
                    232: Retry to connect if failed, pausing for number of
                    233: .Ar seconds .
                    234: .It Fl S Ar ssl_options
                    235: SSL/TLS options to use with HTTPS transfers.
1.89      jca       236: The following settings are available:
                    237: .Bl -tag -width Ds
                    238: .It Cm cafile Ns = Ns Ar /path/to/cert.pem
1.115     florian   239: PEM encoded file containing CA certificates used for certificate
                    240: validation.
1.89      jca       241: .It Cm capath Ns = Ns Ar /path/to/certs/
                    242: Directory containing PEM encoded CA certificates used for certificate
                    243: validation.
1.115     florian   244: Such a directory can be prepared using the c_rehash script distributed with
                    245: OpenSSL.
1.89      jca       246: .It Cm ciphers Ns = Ns Ar cipher_list
                    247: Specify the list of ciphers that will be used by
                    248: .Nm .
                    249: See the
                    250: .Xr openssl 1
                    251: .Cm ciphers
                    252: subcommand.
                    253: .It Cm depth Ns = Ns Ar max_depth
1.115     florian   254: Maximum depth of the certificate chain allowed when performing
                    255: validation.
                    256: .It Cm do
                    257: Perform server certificate validation.
1.89      jca       258: .It Cm dont
                    259: Don't perform server certificate validation.
1.103     beck      260: .It Cm muststaple
1.104     jmc       261: Require the server to present a valid OCSP stapling in the TLS handshake.
1.106     beck      262: .It Cm noverifytime
1.107     jmc       263: Disable validation of certificate times and OCSP validation.
1.108     jsing     264: .It Cm session Ns = Ns Ar /path/to/session
                    265: Specify a file to use for TLS session data.
                    266: If this file has a non-zero length, the session data will be read from this file
                    267: and the client will attempt to resume the TLS session with the server.
1.115     florian   268: Upon completion of a successful TLS handshake this file will be updated
                    269: with new session data, if available.
1.108     jsing     270: This file will be created if it does not already exist.
1.89      jca       271: .El
                    272: .Pp
                    273: By default, server certificate validation is performed, and if it fails
                    274: .Nm
                    275: will abort.
                    276: If no
                    277: .Cm cafile
                    278: or
                    279: .Cm capath
                    280: setting is provided,
                    281: .Pa /etc/ssl/cert.pem
                    282: will be used.
1.115     florian   283: .It Fl s Ar srcaddr
                    284: Use
                    285: .Ar srcaddr
                    286: on the local machine as the source address
                    287: of the connection.
                    288: Only useful on systems with more than one address.
                    289: .It Fl t
                    290: Enables packet tracing.
1.93      lteo      291: .It Fl U Ar useragent
                    292: Set
                    293: .Ar useragent
                    294: as the User-Agent for HTTP(S) URL requests.
1.94      bentley   295: If not specified, the default User-Agent is
                    296: .Dq OpenBSD ftp .
1.42      jmc       297: .It Fl V
1.115     florian   298: Disable verbose mode, overriding the default of enabled when input
                    299: is from a terminal.
1.113     florian   300: .It Fl v
1.115     florian   301: Enable verbose mode.
                    302: This is the default if input is from a terminal.
1.113     florian   303: Forces
                    304: .Nm
1.115     florian   305: to show all responses from the remote server, as well
                    306: as report on data transfer statistics.
1.105     deraadt   307: .It Fl w Ar seconds
1.115     florian   308: For URL format connections to HTTP/HTTPS servers, abort a
                    309: slow connection after
1.105     deraadt   310: .Ar seconds .
1.1       deraadt   311: .El
                    312: .Pp
1.43      jmc       313: The host with which
1.6       millert   314: .Nm
1.1       deraadt   315: is to communicate may be specified on the command line.
                    316: If this is done,
1.6       millert   317: .Nm
1.1       deraadt   318: will immediately attempt to establish a connection to an
1.48      jmc       319: FTP server on that host; otherwise,
1.6       millert   320: .Nm
1.1       deraadt   321: will enter its command interpreter and await instructions
                    322: from the user.
                    323: When
1.6       millert   324: .Nm
1.42      jmc       325: is awaiting commands, the prompt
1.51      jmc       326: .Dq ftp\*(Gt
1.1       deraadt   327: is provided to the user.
                    328: The following commands are recognized
                    329: by
1.48      jmc       330: .Nm :
1.1       deraadt   331: .Bl -tag -width Fl
1.115     florian   332: .It Ic \&! Oo Ar command
                    333: .Op Ar arg ...
                    334: .Oc
                    335: Invoke an interactive shell on the local machine.
                    336: If there are arguments, the first is taken to be a command to execute
                    337: directly, with the rest of the arguments as its arguments.
                    338: .It Ic \&$ Ar macro-name Op Ar arg ...
                    339: Execute the macro
                    340: .Ar macro-name
                    341: that was defined with the
                    342: .Ic macdef
                    343: command.
                    344: Arguments are passed to the macro unglobbed.
                    345: .It Ic \&? Op Ar command
                    346: A synonym for
                    347: .Ic help .
                    348: .It Ic account Op Ar password
                    349: Supply a supplemental password required by a remote system for access
                    350: to resources once a login has been successfully completed.
                    351: If no argument is included, the user will be prompted for an account
                    352: password in a non-echoing input mode.
                    353: .It Ic append Ar local-file Op Ar remote-file
                    354: Append a local file to a file on the remote machine.
                    355: If
                    356: .Ar remote-file
                    357: is left unspecified, the local file name is used in naming the
                    358: remote file after being altered by any
                    359: .Ic ntrans
                    360: or
                    361: .Ic nmap
                    362: setting.
                    363: File transfer uses the current settings for
                    364: .Ic type ,
                    365: .Ic format ,
                    366: .Ic mode ,
                    367: and
                    368: .Ic structure .
                    369: .It Ic ascii
                    370: Set the file transfer
                    371: .Ic type
                    372: to network
                    373: .Tn ASCII .
                    374: .It Ic bell Op Ic on | off
                    375: Arrange that a bell be sounded after each file transfer
                    376: command is completed.
                    377: .It Ic binary
                    378: Set the file transfer
                    379: .Ic type
                    380: to support binary image transfer.
                    381: This is the default type.
                    382: .It Ic bye
                    383: Terminate the FTP session with the remote server and exit
                    384: .Nm .
                    385: An end-of-file will also terminate the session and exit.
                    386: .It Ic case Op Ic on | off
                    387: Toggle remote computer file name case mapping during
                    388: .Ic mget
                    389: commands.
                    390: When
                    391: .Ic case
                    392: is on (default is off), remote computer file names with all letters in
                    393: upper case are written in the local directory with the letters mapped
                    394: to lower case.
                    395: .It Ic cd Ar remote-directory
                    396: Change the working directory on the remote machine
                    397: to
                    398: .Ar remote-directory .
                    399: .It Ic cdup
                    400: Change the remote machine working directory to the parent of the
                    401: current remote machine working directory.
                    402: .It Ic chmod Ar mode file
                    403: Change the permission modes of
                    404: .Ar file
                    405: on the remote
                    406: system to
                    407: .Ar mode .
1.1       deraadt   408: .It Ic close
1.48      jmc       409: Terminate the FTP session with the remote server and
1.1       deraadt   410: return to the command interpreter.
1.115     florian   411: Any defined macros are erased.
                    412: .It Ic cr Op Ic on | off
                    413: Toggle carriage return stripping during
                    414: ASCII type file retrieval.
                    415: Records are denoted by a carriage return/linefeed sequence
                    416: during ASCII type file transfer.
                    417: When
                    418: .Ic cr
                    419: is on (the default), carriage returns are stripped from this
                    420: sequence to conform with the
                    421: .Ux
                    422: single linefeed record delimiter.
                    423: Records on non-UNIX
                    424: remote systems may contain single linefeeds;
                    425: when an ASCII type transfer is made, these linefeeds may be
                    426: distinguished from a record delimiter only when
                    427: .Ic cr
                    428: is off.
                    429: .It Ic debug Oo Ic on | off |
                    430: .Ar debuglevel
                    431: .Oc
                    432: Toggle debugging mode.
                    433: If an optional
                    434: .Ar debuglevel
                    435: is specified, it is used to set the debugging level.
                    436: When debugging is on,
                    437: .Nm
                    438: prints each command sent to the remote machine,
                    439: preceded by the string
                    440: .Ql --\*(Gt .
                    441: .It Ic delete Ar remote-file
                    442: Delete the file
                    443: .Ar remote-file
                    444: on the remote machine.
                    445: .It Ic dir Op Ar remote-directory Op Ar local-file
                    446: A synonym for
                    447: .Ic ls .
                    448: .It Ic disconnect
                    449: A synonym for
                    450: .Ic close .
                    451: .It Ic edit Op Ic on | off
                    452: Toggle command line editing, and context sensitive command and file
                    453: completion.
                    454: This is automatically enabled if input is from a terminal, and
                    455: disabled otherwise.
                    456: .It Ic epsv4 Op Ic on | off
                    457: Toggle use of EPSV/EPRT command on IPv4 connection.
                    458: .It Ic exit
                    459: A synonym for
                    460: .Ic bye .
                    461: .It Ic form Ar format
                    462: Set the file transfer
                    463: .Ic form
                    464: to
                    465: .Ar format .
                    466: The default format is
                    467: .Dq file .
                    468: .It Ic ftp Ar host Op Ar port
                    469: A synonym for
                    470: .Ic open .
                    471: .It Ic gate Oo Ic on | off |
                    472: .Ar host Op Ar port
                    473: .Oc
                    474: Toggle gate-ftp mode.
                    475: This will not be permitted if the gate-ftp server hasn't been set
                    476: (either explicitly by the user, or from the
                    477: .Ev FTPSERVER
                    478: environment variable).
                    479: If
                    480: .Ar host
                    481: is given,
                    482: then gate-ftp mode will be enabled, and the gate-ftp server will be set to
                    483: .Ar host .
                    484: If
                    485: .Ar port
                    486: is also given, that will be used as the port to connect to on the
                    487: gate-ftp server.
                    488: .It Ic get Ar remote-file Op Ar local-file
                    489: Retrieve the
                    490: .Ar remote-file
                    491: and store it on the local machine.
                    492: If the local
                    493: file name is not specified, it is given the same
                    494: name it has on the remote machine, subject to
                    495: alteration by the current
                    496: .Ic case ,
                    497: .Ic ntrans ,
                    498: and
                    499: .Ic nmap
                    500: settings.
                    501: The current settings for
                    502: .Ic type ,
                    503: .Ic form ,
                    504: .Ic mode ,
                    505: and
                    506: .Ic structure
                    507: are used while transferring the file.
                    508: .It Ic glob Op Ic on | off
                    509: Toggle filename expansion for
                    510: .Ic mdelete ,
                    511: .Ic mget
                    512: and
                    513: .Ic mput .
                    514: If globbing is turned off with
                    515: .Ic glob ,
                    516: the file name arguments
                    517: are taken literally and not expanded.
                    518: Globbing for
                    519: .Ic mput
                    520: is done as in
                    521: .Xr csh 1 .
                    522: For
                    523: .Ic mdelete
                    524: and
                    525: .Ic mget ,
                    526: each remote file name is expanded
                    527: separately on the remote machine and the lists are not merged.
                    528: Expansion of a directory name is likely to be
                    529: different from expansion of the name of an ordinary file:
                    530: the exact result depends on the foreign operating system and FTP server,
                    531: and can be previewed by doing
                    532: .Dq mls remote-files - .
                    533: Note:
                    534: .Ic mget
                    535: and
                    536: .Ic mput
                    537: are not meant to transfer
                    538: entire directory subtrees of files.
                    539: That can be done by
                    540: transferring a
                    541: .Xr tar 1
                    542: archive of the subtree (in binary mode).
                    543: .It Ic hash Oo Ic on | off |
                    544: .Ar size
                    545: .Oc
                    546: Toggle hash mark
                    547: .Pq Ql #
                    548: printing for each data block transferred.
                    549: The size of a data block defaults to 1024 bytes.
                    550: This can be changed by specifying
                    551: .Ar size
                    552: in bytes.
1.1       deraadt   553: .It Ic help Op Ar command
                    554: Print an informative message about the meaning of
1.6       millert   555: .Ar command .
1.1       deraadt   556: If no argument is given,
1.6       millert   557: .Nm
1.1       deraadt   558: prints a list of the known commands.
1.115     florian   559: .It Ic idle Op Ar seconds
                    560: Set the inactivity timer on the remote server to
                    561: .Ar seconds
                    562: seconds.
                    563: If
                    564: .Ar seconds
                    565: is omitted, the current inactivity timer is printed.
                    566: .It Ic lcd Op Ar local-directory
                    567: Change the working directory on the local machine.
                    568: If
                    569: no
                    570: .Ar local-directory
                    571: is specified, the user's home directory is used.
                    572: .It Ic less Ar file
1.110     kmos      573: A synonym for
1.115     florian   574: .Ic page .
                    575: .It Ic lpwd
                    576: Print the working directory on the local machine.
1.42      jmc       577: .It Ic ls Op Ar remote-directory Op Ar local-file
                    578: Print a listing of the contents of a directory on the remote machine.
1.30      millert   579: The listing includes any system-dependent information that the server
                    580: chooses to include; for example, most
                    581: .Ux
1.42      jmc       582: systems will produce output from the command
                    583: .Ql ls -l .
1.1       deraadt   584: If
                    585: .Ar remote-directory
                    586: is left unspecified, the current working directory is used.
1.115     florian   587: If interactive prompting is on,
                    588: .Nm
                    589: will prompt the user to verify that the last argument is indeed the
                    590: target local file for receiving
                    591: .Ic ls
                    592: output.
1.1       deraadt   593: If no local file is specified, or if
                    594: .Ar local-file
                    595: is
1.49      jmc       596: .Sq - ,
1.1       deraadt   597: the output is sent to the terminal.
1.115     florian   598: .It Ic macdef Ar macro-name
                    599: Define a macro.
                    600: Subsequent lines are stored as the macro
                    601: .Ar macro-name ;
                    602: a null line (consecutive newline characters
                    603: in a file or
                    604: carriage returns from the terminal) terminates macro input mode.
                    605: There is a limit of 16 macros and 4096 total characters in all
                    606: defined macros.
                    607: Macro names can be a maximum of 8 characters.
                    608: Macros are only applicable to the current session they are
                    609: defined in (or if defined outside a session, to the session
                    610: invoked with the next
                    611: .Ic open
                    612: command), and remain defined until a
                    613: .Ic close
                    614: command is executed.
                    615: To invoke a macro,
                    616: use the
                    617: .Ic $
                    618: command (see above).
                    619: .Pp
                    620: The macro processor interprets
                    621: .Ql $
                    622: and
                    623: .Ql \e
                    624: as special characters.
                    625: A
                    626: .Ql $
                    627: followed by a number (or numbers) is replaced by the
                    628: corresponding argument on the macro invocation command line.
                    629: A
                    630: .Ql $
                    631: followed by an
                    632: .Sq i
                    633: tells the macro processor that the
                    634: executing macro is to be looped.
                    635: On the first pass
                    636: .Ql $i
                    637: is
                    638: replaced by the first argument on the macro invocation command line,
                    639: on the second pass it is replaced by the second argument, and so on.
                    640: A
                    641: .Ql \e
                    642: followed by any character is replaced by that character.
                    643: Use the
                    644: .Ql \e
                    645: to prevent special treatment of the
                    646: .Ql $ .
                    647: .It Ic mdelete Op Ar remote-files
                    648: Delete the
                    649: .Ar remote-files
                    650: on the remote machine.
                    651: .It Ic mdir Ar remote-files local-file
                    652: A synonym for
                    653: .Ic mls .
                    654: .It Xo Ic mget
                    655: .Op Fl cnr
                    656: .Op Fl d Ar depth
                    657: .Ar remote-files
                    658: .Xc
                    659: Expand the
                    660: .Ar remote-files
                    661: on the remote machine
                    662: and do a
                    663: .Ic get
                    664: for each file name thus produced.
                    665: See
                    666: .Ic glob
                    667: for details on the filename expansion.
                    668: Resulting file names will then be processed according to
                    669: .Ic case ,
                    670: .Ic ntrans ,
                    671: and
                    672: .Ic nmap
                    673: settings.
                    674: Files are transferred into the local working directory,
                    675: which can be changed with
                    676: .Ql lcd directory ;
                    677: new local directories can be created with
                    678: .Ql "\&! mkdir directory" .
                    679: .Pp
                    680: The options are as follows:
                    681: .Bl -tag -width Ds
                    682: .It Fl c
                    683: Use
                    684: .Ic reget
                    685: instead of
                    686: .Ic get .
                    687: .It Fl d Ar depth
                    688: Specify the maximum recursion level
                    689: .Ar depth .
                    690: The default is 0, which means unlimited.
                    691: .It Fl n
                    692: Use
                    693: .Ic newer
                    694: instead of
                    695: .Ic get .
                    696: .It Fl r
                    697: Recursively descend the directory tree, transferring all files and
                    698: directories.
                    699: .El
                    700: .It Ic mkdir Ar directory-name
                    701: Make a directory on the remote machine.
                    702: .It Ic mls Ar remote-files local-file
                    703: Like
                    704: .Ic ls ,
                    705: except multiple remote files may be specified,
                    706: and the
                    707: .Ar local-file
                    708: must be specified.
                    709: If interactive prompting is on,
                    710: .Nm
                    711: will prompt the user to verify that the last argument is indeed the
                    712: target local file for receiving
                    713: .Ic mls
                    714: output.
                    715: .It Ic mode Op Ar mode-name
                    716: Set the file transfer
                    717: .Ic mode
                    718: to
                    719: .Ar mode-name .
                    720: The default mode is
                    721: .Dq stream
                    722: mode.
                    723: .It Ic modtime Ar file
                    724: Show the last modification time of
                    725: .Ar file
                    726: on the remote machine.
                    727: .It Ic more Ar file
                    728: A synonym for
                    729: .Ic page .
                    730: .It Xo Ic mput
                    731: .Op Fl cr
                    732: .Op Fl d Ar depth
                    733: .Ar local-files
                    734: .Xc
                    735: Expand wild cards in the list of local files given as arguments
                    736: and do a
                    737: .Ic put
                    738: for each file in the resulting list.
                    739: See
                    740: .Ic glob
                    741: for details of filename expansion.
                    742: Resulting file names will then be processed according to
                    743: .Ic ntrans
                    744: and
                    745: .Ic nmap
                    746: settings.
                    747: .Pp
                    748: If the
                    749: .Fl c
                    750: flag is specified then
                    751: The options are as follows:
                    752: .Bl -tag -width Ds
                    753: .It Fl c
                    754: Use
                    755: .Ic reput
                    756: instead of
                    757: .Ic put .
                    758: .It Fl d Ar depth
                    759: Specify the maximum recursion level
                    760: .Ar depth .
                    761: The default is 0, which means unlimited.
                    762: .It Fl r
                    763: Recursively descend the directory tree, transferring all files and
                    764: directories.
                    765: .El
                    766: .It Xo Ic msend
                    767: .Op Fl c
                    768: .Ar local-files
                    769: .Xc
                    770: A synonym for
                    771: .Ic mput .
                    772: .It Ic newer Ar remote-file Op Ar local-file
                    773: Get the file only if the modification time of the remote file is more
                    774: recent than the file on the current system.
                    775: If the file does not
                    776: exist on the current system, the remote file is considered
                    777: .Ic newer .
                    778: Otherwise, this command is identical to
                    779: .Ar get .
1.6       millert   780: .It Ic nlist Op Ar remote-directory Op Ar local-file
1.30      millert   781: Print a list of the files in a
                    782: directory on the remote machine.
                    783: If
                    784: .Ar remote-directory
                    785: is left unspecified, the current working directory is used.
1.115     florian   786: If interactive prompting is on,
                    787: .Nm
                    788: will prompt the user to verify that the last argument is indeed the
                    789: target local file for receiving
                    790: .Ic nlist
                    791: output.
1.30      millert   792: If no local file is specified, or if
                    793: .Ar local-file
                    794: is
1.49      jmc       795: .Sq - ,
1.38      jmc       796: the output is sent to the terminal.
                    797: Note that on some servers, the
1.30      millert   798: .Ic nlist
                    799: command will only return information on normal files (not directories
                    800: or special files).
1.115     florian   801: .It Ic nmap Op Ar inpattern outpattern
                    802: Set or unset the filename mapping mechanism.
                    803: If no arguments are specified, the filename mapping mechanism is unset.
                    804: If arguments are specified, remote filenames are mapped during
                    805: .Ic mput
                    806: commands and
                    807: .Ic put
                    808: commands issued without a specified remote target filename.
                    809: If arguments are specified, local filenames are mapped during
                    810: .Ic mget
                    811: commands and
                    812: .Ic get
                    813: commands issued without a specified local target filename.
                    814: This command is useful when connecting to a non-UNIX remote computer
                    815: with different file naming conventions or practices.
                    816: .Pp
                    817: The mapping follows the pattern set by
                    818: .Ar inpattern
                    819: and
                    820: .Ar outpattern .
                    821: .Ar inpattern
                    822: is a template for incoming filenames (which may have already been
                    823: processed according to the
                    824: .Ic ntrans
                    825: and
                    826: .Ic case
                    827: settings).
                    828: Variable templating is accomplished by including the
                    829: sequences
                    830: .Ql $1 ,
                    831: .Ql $2 ,
                    832: \&...,
                    833: .Ql $9
                    834: in
                    835: .Ar inpattern .
                    836: Use
                    837: .Ql \e
                    838: to prevent this special treatment of the
                    839: .Ql $
                    840: character.
                    841: All other characters are treated literally, and are used to determine the
                    842: .Ic nmap
                    843: .Ar inpattern
                    844: variable values.
                    845: .Pp
                    846: For example, given
                    847: .Ar inpattern
                    848: $1.$2 and the remote file name "mydata.data", $1 would have the value
                    849: "mydata", and $2 would have the value "data".
                    850: The
                    851: .Ar outpattern
                    852: determines the resulting mapped filename.
                    853: The sequences
                    854: .Ql $1 ,
                    855: .Ql $2 ,
                    856: \&...,
                    857: .Ql $9
                    858: are replaced by any value resulting from the
                    859: .Ar inpattern
                    860: template.
                    861: The sequence
                    862: .Ql $0
                    863: is replaced by the original filename.
                    864: Additionally, the sequence
                    865: .Sq Op Ar seq1 , Ar seq2
                    866: is replaced by
                    867: .Ar seq1
                    868: if
                    869: .Ar seq1
                    870: is not a null string; otherwise it is replaced by
                    871: .Ar seq2 .
                    872: For example:
                    873: .Pp
                    874: .Dl nmap $1.$2.$3 [$1,$2].[$2,file]
                    875: .Pp
                    876: This command would yield the output filename
                    877: .Pa myfile.data
                    878: for input filenames
                    879: .Pa myfile.data
                    880: and
                    881: .Pa myfile.data.old ;
                    882: .Pa myfile.file
                    883: for the input filename
                    884: .Pa myfile ;
                    885: and
                    886: .Pa myfile.myfile
                    887: for the input filename
                    888: .Pa .myfile .
                    889: Spaces may be included in
                    890: .Ar outpattern
                    891: by quoting them,
                    892: as in the following example:
                    893: .Bd -literal -offset indent
                    894: nmap $1.$2 "$1 $2"
                    895: .Ed
                    896: .Pp
                    897: Use the
                    898: .Ql \e
                    899: character to prevent special treatment
                    900: of the
                    901: .Ql $ ,
                    902: .Ql \&[ ,
                    903: .Ql \&] ,
                    904: and
                    905: .Ql \&,
                    906: characters.
                    907: .It Ic ntrans Op Ar inchars Op Ar outchars
                    908: Set or unset the filename character translation mechanism.
                    909: If no arguments are specified, the filename character
                    910: translation mechanism is unset.
                    911: If arguments are specified, characters in
                    912: remote filenames are translated during
                    913: .Ic mput
                    914: commands and
                    915: .Ic put
                    916: commands issued without a specified remote target filename.
                    917: If arguments are specified, characters in
                    918: local filenames are translated during
                    919: .Ic mget
                    920: commands and
                    921: .Ic get
                    922: commands issued without a specified local target filename.
                    923: This command is useful when connecting to a non-UNIX remote computer
                    924: with different file naming conventions or practices.
                    925: Characters in a filename matching a character in
                    926: .Ar inchars
                    927: are replaced with the corresponding character in
                    928: .Ar outchars .
                    929: If the character's position in
                    930: .Ar inchars
                    931: is longer than the length of
                    932: .Ar outchars ,
                    933: the character is deleted from the file name.
                    934: .It Ic open Ar host Op Ar port
                    935: Establish a connection to the specified
                    936: .Ar host
                    937: FTP server.
                    938: An optional port number may be supplied,
                    939: in which case
                    940: .Nm
                    941: will attempt to contact an FTP server at that port.
                    942: If the
                    943: .Ic auto-login
                    944: option is on (default),
                    945: .Nm
                    946: will also attempt to automatically log the user in to
                    947: the FTP server (see below).
                    948: .It Ic page Ar file
                    949: Retrieve
                    950: .Ic file
                    951: and display with the program defined in
                    952: .Ev PAGER
                    953: (defaulting to
                    954: .Xr more 1
                    955: if
                    956: .Ev PAGER
                    957: is null or not defined).
1.73      sobrado   958: .It Ic passive Op Ic on | off
1.29      aaron     959: Toggle passive mode.
1.48      jmc       960: If passive mode is turned on (default is on),
                    961: .Nm
                    962: will send a
1.57      jmc       963: .Dv EPSV
1.1       deraadt   964: command for all data connections instead of the usual
1.115     florian   965: .Dv PORT
1.29      aaron     966: command.
                    967: The
1.115     florian   968: .Dv PASV
1.1       deraadt   969: command requests that the remote server open a port for the data connection
1.29      aaron     970: and return the address of that port.
                    971: The remote server listens on that port and the client connects to it.
                    972: When using the more traditional
1.115     florian   973: .Dv PORT
1.1       deraadt   974: command, the client listens on a port and sends that address to the remote
1.29      aaron     975: server, who connects back to it.
                    976: Passive mode is useful when using
1.6       millert   977: .Nm
1.1       deraadt   978: through a gateway router or host that controls the directionality of
                    979: traffic.
1.115     florian   980: (Note that though FTP servers are required to support the
                    981: .Dv PASV
                    982: command by RFC 1123, some do not.)
                    983: .It Ic preserve Op Ic on | off
                    984: Toggle preservation of modification times on retrieved files.
                    985: .It Ic progress Op Ic on | off
                    986: Toggle display of transfer progress bar.
                    987: The progress bar will be disabled for a transfer that has
                    988: .Ar local-file
                    989: as
                    990: .Sq -
                    991: or a command that starts with
                    992: .Sq \&| .
                    993: Refer to
                    994: .Sx FILE NAMING CONVENTIONS
                    995: for more information.
                    996: .It Ic prompt Op Ic on | off
                    997: Toggle interactive prompting.
                    998: Interactive prompting
                    999: occurs during multiple file transfers to allow the
                   1000: user to selectively retrieve or store files.
                   1001: If prompting is turned off (default is on), any
                   1002: .Ic mget
                   1003: or
                   1004: .Ic mput
                   1005: will transfer all files, and any
                   1006: .Ic mdelete
                   1007: will delete all files.
                   1008: .Pp
                   1009: When prompting is on, the following commands are available at a prompt:
                   1010: .Bl -tag -width 2n -offset indent
                   1011: .It Ic ?\&
                   1012: Print help message.
                   1013: .It Ic a
                   1014: Answer
                   1015: .Dq yes
                   1016: to the current file and automatically answer
                   1017: .Dq yes
                   1018: to any remaining files for the current command.
                   1019: .It Ic n
                   1020: Do not transfer the file.
                   1021: .It Ic p
                   1022: Answer
                   1023: .Dq yes
                   1024: to the current file and turn off prompt mode
                   1025: (as if
                   1026: .Dq prompt off
                   1027: had been given).
                   1028: .It Ic q
                   1029: Answer
                   1030: .Dq no
                   1031: to the current file and automatically answer
                   1032: .Dq no
                   1033: to any remaining files for the current command.
                   1034: .It Ic y
                   1035: Transfer the file.
                   1036: .El
                   1037: .It Ic proxy Ar command
                   1038: Execute an FTP command on a secondary control connection.
                   1039: This command allows simultaneous connection to two remote FTP
                   1040: servers for transferring files between the two servers.
                   1041: The first
                   1042: .Ic proxy
                   1043: command should be an
                   1044: .Ic open ,
                   1045: to establish the secondary control connection.
                   1046: Enter the command
                   1047: .Ic proxy ?\&
                   1048: to see other FTP commands executable on the
                   1049: secondary connection.
                   1050: The following commands behave differently when prefaced by
                   1051: .Ic proxy :
                   1052: .Ic open
                   1053: will not define new macros during the auto-login process;
                   1054: .Ic close
                   1055: will not erase existing macro definitions;
                   1056: .Ic get
                   1057: and
                   1058: .Ic mget
                   1059: transfer files from the host on the primary control connection
                   1060: to the host on the secondary control connection; and
                   1061: .Ic put ,
                   1062: .Ic mput ,
                   1063: and
                   1064: .Ic append
                   1065: transfer files from the host on the secondary control connection
                   1066: to the host on the primary control connection.
                   1067: Third party file transfers depend upon support of the FTP protocol
                   1068: .Dv PASV
                   1069: command by the server on the secondary control connection.
1.1       deraadt  1070: .It Ic put Ar local-file Op Ar remote-file
                   1071: Store a local file on the remote machine.
                   1072: If
                   1073: .Ar remote-file
1.115     florian  1074: is left unspecified, the local file name is used
                   1075: after processing according to any
                   1076: .Ic ntrans
                   1077: or
                   1078: .Ic nmap
                   1079: settings
                   1080: in naming the remote file.
                   1081: File transfer uses the
                   1082: current settings for
                   1083: .Ic type ,
                   1084: .Ic format ,
                   1085: .Ic mode ,
                   1086: and
                   1087: .Ic structure .
                   1088: .It Ic pwd
                   1089: Print the name of the current working directory on the remote
                   1090: machine.
                   1091: .It Ic quit
                   1092: A synonym for
                   1093: .Ic bye .
                   1094: .It Ic quote Ar arg ...
                   1095: The arguments specified are sent, verbatim, to the remote FTP server.
                   1096: .It Ic recv Ar remote-file Op Ar local-file
                   1097: A synonym for
                   1098: .Ic get .
                   1099: .It Ic reget Ar remote-file Op Ar local-file
                   1100: Reget acts like get, except that if
                   1101: .Ar local-file
                   1102: exists and is
                   1103: smaller than
                   1104: .Ar remote-file ,
                   1105: .Ar local-file
                   1106: is presumed to be
                   1107: a partially transferred copy of
                   1108: .Ar remote-file
                   1109: and the transfer
                   1110: is continued from the apparent point of failure.
                   1111: This command
                   1112: is useful when transferring very large files over networks that
                   1113: are prone to dropping connections.
                   1114: .It Ic rename Ar from-name to-name
                   1115: Rename the file
                   1116: .Ar from-name
                   1117: on the remote machine to the file
                   1118: .Ar to-name .
                   1119: .It Ic reput Ar local-file Op Ar remote-file
                   1120: Reput acts like put, except that if
                   1121: .Ar remote-file
                   1122: exists and is
                   1123: smaller than
                   1124: .Ar local-file ,
                   1125: .Ar remote-file
                   1126: is presumed to be
                   1127: a partially transferred copy of
                   1128: .Ar local-file
                   1129: and the transfer
                   1130: is continued from the apparent point of failure.
                   1131: This command
                   1132: is useful when transferring very large files over networks that
                   1133: are prone to dropping connections.
                   1134: .It Ic reset
                   1135: Clear reply queue.
                   1136: This command re-synchronizes command/reply sequencing with the remote
                   1137: FTP server.
                   1138: Resynchronization may be necessary following a violation of the FTP protocol
                   1139: by the remote server.
                   1140: .It Ic restart Ar marker
                   1141: Restart the immediately following
1.1       deraadt  1142: .Ic get
1.115     florian  1143: or
1.1       deraadt  1144: .Ic put
1.115     florian  1145: at the
                   1146: indicated
                   1147: .Ar marker .
                   1148: On
                   1149: .Ux
                   1150: systems,
                   1151: .Ar marker
                   1152: is usually a byte
                   1153: offset into the file.
                   1154: .It Ic rhelp Op Ar command-name
                   1155: Request help from the remote FTP server.
                   1156: If a
                   1157: .Ar command-name
                   1158: is specified, it is supplied to the server as well.
                   1159: .It Ic rmdir Ar directory-name
                   1160: Delete a directory on the remote machine.
                   1161: .It Ic rstatus Op Ar file
                   1162: With no arguments, show status of remote machine.
                   1163: If
                   1164: .Ar file
                   1165: is specified, show status of
                   1166: .Ar file
                   1167: on remote machine.
                   1168: .It Ic runique Op Ic on | off
                   1169: Toggle storing of files on the local system with unique filenames.
                   1170: If a file already exists with a name equal to the target
                   1171: local filename for a
                   1172: .Ic get
                   1173: or
                   1174: .Ic mget
                   1175: command, a
                   1176: .Dq .1
                   1177: is appended to the name.
                   1178: If the resulting name matches another existing file,
                   1179: a
                   1180: .Dq .2
                   1181: is appended to the original name.
                   1182: If this process continues up to
                   1183: .Dq .99 ,
                   1184: an error message is printed, and the transfer does not take place.
                   1185: The generated unique filename will be reported.
                   1186: Note that
                   1187: .Ic runique
                   1188: will not affect local files generated from a shell command
                   1189: (see below).
                   1190: The default value is off.
                   1191: .It Ic send Ar local-file Op Ar remote-file
                   1192: A synonym for
                   1193: .Ic put .
                   1194: .It Ic sendport Op Ic on | off
                   1195: Toggle the use of
                   1196: .Dv PORT
                   1197: commands.
                   1198: By default,
                   1199: .Nm
                   1200: will attempt to use a
                   1201: .Dv PORT
                   1202: command when establishing
                   1203: a connection for each data transfer.
                   1204: The use of
                   1205: .Dv PORT
                   1206: commands can prevent delays
                   1207: when performing multiple file transfers.
                   1208: If the
                   1209: .Dv PORT
                   1210: command fails,
                   1211: .Nm
                   1212: will use the default data port.
                   1213: When the use of
                   1214: .Dv PORT
                   1215: commands is disabled, no attempt will be made to use
                   1216: .Dv PORT
                   1217: commands for each data transfer.
                   1218: This is useful for certain FTP implementations which do ignore
                   1219: .Dv PORT
                   1220: commands but, incorrectly, indicate they've been accepted.
                   1221: .It Ic site Ar arg ...
                   1222: The arguments specified are sent, verbatim, to the remote FTP server as a
                   1223: .Dv SITE
                   1224: command.
                   1225: .It Ic size Ar file
                   1226: Return size of
                   1227: .Ar file
                   1228: on remote machine.
                   1229: .It Ic status
                   1230: Show the current status of
                   1231: .Nm .
                   1232: .\" .It Ic struct Op Ar struct-name
                   1233: .\" Set the file transfer
                   1234: .\" .Ar structure
                   1235: .\" to
                   1236: .\" .Ar struct-name .
                   1237: .\" By default,
                   1238: .\" .Dq file
                   1239: .\" structure is used.
                   1240: .It Ic sunique Op Ic on | off
                   1241: Toggle storing of files on remote machine under unique file names.
                   1242: The remote FTP server must support the FTP protocol
                   1243: .Dv STOU
                   1244: command for
                   1245: successful completion.
                   1246: The remote server will report the unique name.
                   1247: Default value is off.
                   1248: .It Ic system
                   1249: Show the type of operating system running on the remote machine.
                   1250: .It Ic trace Op Ic on | off
                   1251: Toggle packet tracing.
                   1252: .It Ic type Op Ar type-name
                   1253: Set the file transfer
                   1254: .Ic type
                   1255: to
                   1256: .Ar type-name .
                   1257: If no type is specified, the current type
                   1258: is printed.
                   1259: The default type is
                   1260: .Dq binary .
                   1261: .It Ic umask Op Ar newmask
                   1262: Set the default umask on the remote server to
                   1263: .Ar newmask .
                   1264: If
                   1265: .Ar newmask
                   1266: is omitted, the current umask is printed.
                   1267: .It Xo
                   1268: .Ic user Ar username
                   1269: .Op Ar password Op Ar account
                   1270: .Xc
                   1271: Identify yourself to the remote FTP server.
                   1272: If the
                   1273: .Ar password
                   1274: is not specified and the server requires it,
                   1275: .Nm
                   1276: will prompt the user for it (after disabling local echo).
                   1277: If an
                   1278: .Ar account
                   1279: field is not specified, and the FTP server requires it,
                   1280: the user will be prompted for it.
                   1281: If an
                   1282: .Ar account
                   1283: field is specified, an account command will
                   1284: be relayed to the remote server after the login sequence
                   1285: is completed if the remote server did not require it
                   1286: for logging in.
                   1287: Unless
                   1288: .Nm
                   1289: is invoked with
                   1290: .Dq auto-login
                   1291: disabled, this process is done automatically on initial connection to the
                   1292: FTP server.
                   1293: .It Ic verbose Op Ic on | off
                   1294: Toggle verbose mode.
                   1295: In verbose mode, all responses from
                   1296: the FTP server are displayed to the user.
                   1297: In addition,
                   1298: if verbose is on, when a file transfer completes, statistics
                   1299: regarding the efficiency of the transfer are reported.
                   1300: By default,
                   1301: verbose is on.
1.1       deraadt  1302: .El
1.115     florian  1303: .Pp
                   1304: Command arguments which have embedded spaces may be quoted with
                   1305: quote
                   1306: .Pq Ql \&"
                   1307: marks.
                   1308: .Pp
                   1309: Commands which toggle settings can take an explicit
                   1310: .Ic on
                   1311: or
                   1312: .Ic off
                   1313: argument to force the setting appropriately.
                   1314: .Pp
                   1315: If
                   1316: .Nm
                   1317: receives a
                   1318: .Dv SIGINFO
                   1319: (see the
                   1320: .Dq status
                   1321: argument of
                   1322: .Xr stty 1 )
                   1323: signal whilst a transfer is in progress, the current transfer rate
                   1324: statistics will be written to the standard error output, in the
                   1325: same format as the standard completion message.
1.6       millert  1326: .Sh AUTO-FETCHING FILES
                   1327: In addition to standard commands, this version of
                   1328: .Nm
                   1329: supports an auto-fetch feature.
                   1330: To enable auto-fetch, simply pass the list of hostnames/files
                   1331: on the command line.
                   1332: .Pp
                   1333: The following formats are valid syntax for an auto-fetch element:
1.56      ray      1334: .Bl -tag -width Ds
1.115     florian  1335: .It Ar host : Ns / Ns Ar file Ns Op /
                   1336: .Dq Classic
                   1337: .Nm
                   1338: format.
1.99      schwarze 1339: .Sm off
1.115     florian  1340: .It Xo
                   1341: .Pf ftp:// Op Ar user : password No @
1.99      schwarze 1342: .Ar host Op : Ar port
1.115     florian  1343: .No / Ar file Op /
1.99      schwarze 1344: .Xc
                   1345: .Sm on
1.48      jmc      1346: An FTP URL, retrieved using the FTP protocol if
1.10      millert  1347: .Ev ftp_proxy
                   1348: isn't defined.
1.48      jmc      1349: Otherwise, transfer using HTTP via the proxy defined in
1.10      millert  1350: .Ev ftp_proxy .
1.115     florian  1351: If a
                   1352: .Ar user
                   1353: and
                   1354: .Ar password
                   1355: are given and
                   1356: .Ev ftp_proxy
                   1357: isn't defined,
                   1358: log in as
                   1359: .Ar user
                   1360: with a password of
                   1361: .Ar password .
1.99      schwarze 1362: .Sm off
1.115     florian  1363: .It Xo
                   1364: .Pf http:// Op Ar user : password No @
1.99      schwarze 1365: .Ar host Op : Ar port
                   1366: .No / Ar file
                   1367: .Xc
                   1368: .Sm on
1.48      jmc      1369: An HTTP URL, retrieved using the HTTP protocol.
1.6       millert  1370: If
                   1371: .Ev http_proxy
                   1372: is defined, it is used as a URL to an HTTP proxy server.
1.115     florian  1373: If a
                   1374: .Ar user
                   1375: and
                   1376: .Ar password
                   1377: are given and
                   1378: .Ev http_proxy
                   1379: isn't defined,
                   1380: log in as
                   1381: .Ar user
                   1382: with a password of
                   1383: .Ar password
                   1384: using Basic authentication.
1.99      schwarze 1385: .Sm off
1.115     florian  1386: .It Xo
                   1387: .Pf https:// Op Ar user : password No @
1.99      schwarze 1388: .Ar host Op : Ar port
                   1389: .No / Ar file
                   1390: .Xc
                   1391: .Sm on
1.54      deraadt  1392: An HTTPS URL, retrieved using the HTTPS protocol.
                   1393: If
                   1394: .Ev http_proxy
                   1395: is defined, this HTTPS proxy server will be used to fetch the
                   1396: file using the CONNECT method.
1.115     florian  1397: If a
                   1398: .Ar user
                   1399: and
                   1400: .Ar password
                   1401: are given and
                   1402: .Ev http_proxy
                   1403: isn't defined,
                   1404: log in as
                   1405: .Ar user
                   1406: with a password of
                   1407: .Ar password
                   1408: using Basic authentication.
1.100     schwarze 1409: .It Pf file: Ar file
1.78      sobrado  1410: .Ar file
                   1411: is retrieved from a mounted file system.
1.6       millert  1412: .El
1.115     florian  1413: .Pp
                   1414: If a classic format or an FTP URL format has a trailing
                   1415: .Sq / ,
                   1416: then
                   1417: .Nm
                   1418: will connect to the site and
                   1419: .Ic cd
                   1420: to the directory given as the path, and leave the user in interactive
                   1421: mode ready for further input.
                   1422: .Pp
                   1423: If
                   1424: .Ar file
                   1425: contains a glob character and globbing is enabled
                   1426: (see
                   1427: .Ic glob ) ,
                   1428: then the equivalent of
                   1429: .Ic mget Ar file
                   1430: is performed.
                   1431: .Pp
                   1432: If no
                   1433: .Fl o
                   1434: option is specified, and
                   1435: the directory component of
                   1436: .Ar file
                   1437: contains no globbing characters,
                   1438: then
                   1439: it is stored in the current directory as the
                   1440: .Xr basename 1
                   1441: of
                   1442: .Ar file .
                   1443: If
                   1444: .Fl o Ar output
                   1445: is specified, then
                   1446: .Ar file
                   1447: is stored as
                   1448: .Ar output .
                   1449: Otherwise, the remote name is used as the local name.
                   1450: .Sh ABORTING A FILE TRANSFER
                   1451: To abort a file transfer, use the terminal interrupt key
                   1452: (usually Ctrl-C).
                   1453: Sending transfers will be immediately halted.
                   1454: Receiving transfers will be halted by sending an FTP protocol
                   1455: .Dv ABOR
                   1456: command to the remote server, and discarding any further data received.
                   1457: The speed at which this is accomplished depends upon the remote
                   1458: server's support for
                   1459: .Dv ABOR
                   1460: processing.
                   1461: If the remote server does not support the
                   1462: .Dv ABOR
                   1463: command, an
                   1464: .Ql ftp\*(Gt
                   1465: prompt will not appear until the remote server has completed
                   1466: sending the requested file.
                   1467: .Pp
                   1468: The terminal interrupt key sequence will be ignored when
                   1469: .Nm
                   1470: has completed any local processing and is awaiting a reply
                   1471: from the remote server.
                   1472: A long delay in this mode may result from the ABOR processing described
                   1473: above, or from unexpected behavior by the remote server, including
                   1474: violations of the FTP protocol.
                   1475: If the delay results from unexpected remote server behavior, the local
                   1476: .Nm
                   1477: program must be killed by hand.
                   1478: .Sh FILE NAMING CONVENTIONS
                   1479: Files specified as arguments to
                   1480: .Nm
                   1481: commands are processed according to the following rules.
                   1482: .Bl -enum
                   1483: .It
                   1484: If
                   1485: .Sq -
                   1486: is specified as a local file name, the standard input (for reading)
                   1487: or standard output (for writing)
                   1488: is used.
                   1489: .It
                   1490: If the first character of a local file name is
                   1491: .Sq \&| ,
                   1492: the
                   1493: remainder of the argument is interpreted as a shell command.
                   1494: .Nm
                   1495: then forks a shell, using
                   1496: .Xr popen 3
                   1497: with the argument supplied, and reads (writes) from the standard output
                   1498: (standard input).
                   1499: If the shell command includes spaces, the argument
                   1500: must be quoted; e.g.,
                   1501: .Qq ls -lt .
                   1502: A particularly
                   1503: useful example of this mechanism is:
                   1504: .Qq ls \&. |more .
                   1505: .It
                   1506: Failing the above checks, if
                   1507: .Dq globbing
                   1508: is enabled,
                   1509: local file names are expanded
                   1510: according to the rules used in the
                   1511: .Xr csh 1
                   1512: .Ic glob
                   1513: command.
                   1514: If the
                   1515: .Nm
                   1516: command expects a single local file (e.g.,
                   1517: .Ic put ) ,
                   1518: only the first filename generated by the
                   1519: .Dq globbing
                   1520: operation is used.
                   1521: .It
                   1522: For
                   1523: .Ic mget
                   1524: commands and
                   1525: .Ic get
                   1526: commands with unspecified local file names, the local filename is
                   1527: the remote filename, which may be altered by a
                   1528: .Ic case ,
                   1529: .Ic ntrans ,
                   1530: or
                   1531: .Ic nmap
                   1532: setting.
                   1533: The resulting filename may then be altered if
                   1534: .Ic runique
                   1535: is on.
                   1536: .It
                   1537: For
                   1538: .Ic mput
                   1539: commands and
                   1540: .Ic put
                   1541: commands with unspecified remote file names, the remote filename is
                   1542: the local filename, which may be altered by a
                   1543: .Ic ntrans
                   1544: or
                   1545: .Ic nmap
                   1546: setting.
                   1547: The resulting filename may then be altered by the remote server if
                   1548: .Ic sunique
                   1549: is on.
                   1550: .El
                   1551: .Sh FILE TRANSFER PARAMETERS
                   1552: The FTP specification specifies many parameters which may
                   1553: affect a file transfer.
                   1554: The
                   1555: .Ic type
                   1556: may be one of
                   1557: .Dq ascii ,
                   1558: .Dq binary ,
                   1559: or
                   1560: .Dq image .
                   1561: .Nm
                   1562: supports the ASCII and image types of file transfer.
                   1563: .Pp
                   1564: .Nm
                   1565: supports only the default values for the remaining
                   1566: file transfer parameters:
                   1567: .Ic mode ,
                   1568: .Ic form ,
                   1569: and
                   1570: .Ic struct .
                   1571: .Sh THE .netrc FILE
                   1572: The
                   1573: .Pa .netrc
                   1574: file contains login and initialization information
                   1575: used by the auto-login process.
                   1576: It resides in the user's home directory.
                   1577: The following tokens are recognized; they may be separated by spaces,
                   1578: tabs, or new-lines:
                   1579: .Bl -tag -width password
                   1580: .It Ic machine Ar name
                   1581: Identify a remote machine
                   1582: .Ar name .
                   1583: The auto-login process searches the
                   1584: .Pa .netrc
                   1585: file for a
                   1586: .Ic machine
                   1587: token that matches the remote machine specified on the
                   1588: .Nm
                   1589: command line or as an
                   1590: .Ic open
                   1591: command argument.
                   1592: Once a match is made, the subsequent
                   1593: .Pa .netrc
                   1594: tokens are processed,
                   1595: stopping when the end of file is reached or another
                   1596: .Ic machine
                   1597: or a
                   1598: .Ic default
                   1599: token is encountered.
                   1600: .It Ic default
                   1601: This is the same as
                   1602: .Ic machine
                   1603: .Ar name
                   1604: except that
                   1605: .Ic default
                   1606: matches any name.
                   1607: There can be only one
                   1608: .Ic default
                   1609: token, and it must be after all
                   1610: .Ic machine
                   1611: tokens.
                   1612: This is normally used as:
                   1613: .Pp
                   1614: .Dl default login anonymous password user@site
                   1615: .Pp
                   1616: thereby giving the user
                   1617: .Ar automatic
                   1618: anonymous FTP login to
                   1619: machines not specified in
                   1620: .Pa .netrc .
                   1621: This can be overridden
                   1622: by using the
                   1623: .Fl n
                   1624: flag to disable auto-login.
                   1625: .It Ic login Ar name
                   1626: Identify a user on the remote machine.
                   1627: If this token is present, the auto-login process will initiate
                   1628: a login using the specified
                   1629: .Ar name .
                   1630: .It Ic password Ar string
                   1631: Supply a password.
                   1632: If this token is present, the auto-login process will supply the
                   1633: specified string if the remote server requires a password as part
                   1634: of the login process.
                   1635: Note that if this token is present in the
                   1636: .Pa .netrc
                   1637: file for any user other
                   1638: than
                   1639: .Ar anonymous ,
                   1640: .Nm
                   1641: will abort the auto-login process if the
                   1642: .Pa .netrc
                   1643: is readable by
                   1644: anyone besides the user.
                   1645: .It Ic account Ar string
                   1646: Supply an additional account password.
                   1647: If this token is present, the auto-login process will supply the
                   1648: specified string if the remote server requires an additional
                   1649: account password, or the auto-login process will initiate an
                   1650: .Dv ACCT
                   1651: command if it does not.
                   1652: .It Ic macdef Ar name
                   1653: Define a macro.
                   1654: This token functions like the
                   1655: .Nm
                   1656: .Ic macdef
                   1657: command functions.
                   1658: A macro is defined with the specified name; its contents begin with the
                   1659: next
                   1660: .Pa .netrc
                   1661: line and continue until a null line (consecutive new-line
                   1662: characters) is encountered.
                   1663: Like the other tokens in the
                   1664: .Pa .netrc
                   1665: file, a
                   1666: .Ic macdef
                   1667: is applicable only to the
                   1668: .Ic machine
                   1669: definition preceding it.
                   1670: A
                   1671: .Ic macdef
                   1672: entry cannot be utilized by multiple
                   1673: .Ic machine
                   1674: definitions; rather, it must be defined following each
                   1675: .Ic machine
                   1676: it is intended to be used with.
                   1677: If a macro named
                   1678: .Ic init
                   1679: is defined, it is automatically executed as the last step in the
                   1680: auto-login process.
                   1681: .El
                   1682: .Sh COMMAND LINE EDITING
                   1683: .Nm
                   1684: supports interactive command line editing, via the
                   1685: .Xr editline 3
                   1686: library.
                   1687: It is enabled with the
                   1688: .Ic edit
                   1689: command, and is enabled by default if input is from a tty.
                   1690: Previous lines can be recalled and edited with the arrow keys,
                   1691: and other GNU Emacs-style editing keys may be used as well.
                   1692: .Pp
                   1693: The
                   1694: .Xr editline 3
                   1695: library is configured with a
                   1696: .Pa .editrc
                   1697: file \- refer to
                   1698: .Xr editrc 5
                   1699: for more information.
                   1700: .Pp
                   1701: An extra key binding is available to
                   1702: .Nm
                   1703: to provide context sensitive command and filename completion
                   1704: (including remote file completion).
                   1705: To use this, bind a key to the
                   1706: .Xr editline 3
                   1707: command
                   1708: .Ic ftp-complete .
                   1709: By default, this is bound to the TAB key.
1.1       deraadt  1710: .Sh ENVIRONMENT
1.6       millert  1711: .Nm
1.22      aaron    1712: utilizes the following environment variables:
1.115     florian  1713: .Bl -tag -width "FTPSERVERPORT"
                   1714: .It Ev FTPMODE
                   1715: Overrides the default operation mode.
                   1716: Recognized values are:
                   1717: .Pp
                   1718: .Bl -tag -width "passive  " -offset indent -compact
                   1719: .It passive
                   1720: passive mode FTP only
                   1721: .It active
                   1722: active mode FTP only
                   1723: .It auto
                   1724: automatic determination of passive or active (this is the default)
                   1725: .It gate
                   1726: gate-ftp mode
                   1727: .El
                   1728: .It Ev FTPSERVER
                   1729: Host to use as gate-ftp server when
                   1730: .Ic gate
                   1731: is enabled.
                   1732: .It Ev FTPSERVERPORT
                   1733: Port to use when connecting to gate-ftp server when
                   1734: .Ic gate
                   1735: is enabled.
                   1736: Default is port returned by a
                   1737: .Fn getservbyname
                   1738: lookup of
                   1739: .Dq ftpgate/tcp .
                   1740: .It Ev HOME
                   1741: For default location of a
                   1742: .Pa .netrc
                   1743: file, if one exists.
                   1744: .It Ev PAGER
                   1745: Used by
                   1746: .Ic page
                   1747: to display files.
                   1748: .It Ev SHELL
                   1749: For default shell.
1.10      millert  1750: .It Ev ftp_proxy
                   1751: URL of FTP proxy to use when making FTP URL requests
1.48      jmc      1752: (if not defined, use the standard FTP protocol).
1.6       millert  1753: .It Ev http_proxy
1.115     florian  1754: URL of HTTP proxy to use when making HTTP or HTTPS URL requests.
                   1755: .It Ev http_cookies
                   1756: Path of a Netscape-like cookiejar file to use when making
                   1757: HTTP or HTTPS URL requests.
1.1       deraadt  1758: .El
1.36      jakob    1759: .Sh PORT ALLOCATION
1.38      jmc      1760: For active mode data connections,
1.36      jakob    1761: .Nm
1.42      jmc      1762: will listen to a random high TCP port.
1.36      jakob    1763: The interval of ports used are configurable using
1.38      jmc      1764: .Xr sysctl 8
1.36      jakob    1765: variables
1.42      jmc      1766: .Va net.inet.ip.porthifirst
1.36      jakob    1767: and
1.42      jmc      1768: .Va net.inet.ip.porthilast .
1.115     florian  1769: .Sh SEE ALSO
                   1770: .Xr basename 1 ,
                   1771: .Xr csh 1 ,
                   1772: .Xr more 1 ,
                   1773: .Xr stty 1 ,
                   1774: .Xr tar 1 ,
                   1775: .Xr tftp 1 ,
                   1776: .Xr editline 3 ,
                   1777: .Xr getservbyname 3 ,
                   1778: .Xr popen 3 ,
                   1779: .Xr editrc 5 ,
                   1780: .Xr services 5 ,
                   1781: .Xr ftp-proxy 8 ,
                   1782: .Xr ftpd 8
                   1783: .Sh STANDARDS
                   1784: .Rs
                   1785: .%A J. Postel
                   1786: .%A J. Reynolds
                   1787: .%D October 1985
                   1788: .%R RFC 959
                   1789: .%T FILE TRANSFER PROTOCOL (FTP)
                   1790: .Re
                   1791: .Pp
                   1792: .Rs
                   1793: .%A P. Hethmon
                   1794: .%D March 2007
                   1795: .%R RFC 3659
                   1796: .%T Extensions to FTP
                   1797: .Re
1.1       deraadt  1798: .Sh HISTORY
                   1799: The
1.6       millert  1800: .Nm
1.115     florian  1801: command appeared in
1.1       deraadt  1802: .Bx 4.2 .
1.115     florian  1803: .Sh BUGS
                   1804: Correct execution of many commands depends upon proper behavior
                   1805: by the remote server.
                   1806: .Pp
                   1807: In the recursive mode of
                   1808: .Ic mget ,
                   1809: files and directories starting with whitespace are ignored
                   1810: because the list cannot be parsed any other way.