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Annotation of src/usr.bin/ftp/ftp.1, Revision 1.42

1.42    ! jmc         1: .\"    $OpenBSD: ftp.1,v 1.41 2003/09/02 18:50:06 jmc Exp $
1.14      millert     2: .\"    $NetBSD: ftp.1,v 1.22 1997/08/18 10:20:22 lukem Exp $
1.1       deraadt     3: .\"
                      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
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                     23: .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     24: .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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                     30: .\"
                     31: .\"    @(#)ftp.1       8.3 (Berkeley) 10/9/94
                     32: .\"
1.14      millert    33: .Dd August 18, 1997
1.1       deraadt    34: .Dt FTP 1
1.25      aaron      35: .Os
1.1       deraadt    36: .Sh NAME
                     37: .Nm ftp
1.42    ! jmc        38: .Nd ARPANET file transfer program
1.1       deraadt    39: .Sh SYNOPSIS
1.23      aaron      40: .Nm ftp
1.42    ! jmc        41: .Op Fl 46AadegimnptVv
1.6       millert    42: .Op Fl P Ar port
1.7       millert    43: .Op Fl r Ar seconds
1.6       millert    44: .Op Ar host Op Ar port
1.3       deraadt    45: .Nm ftp
1.42    ! jmc        46: .Op Fl o Ar output
        !            47: .Sm off
        !            48: .No ftp:// Oo Ar user : password No @
        !            49: .Oc Ar host Oo : Ar port
        !            50: .Oc No / Ar file Oo /
        !            51: .Oc
        !            52: .Sm on
1.3       deraadt    53: .Nm ftp
1.42    ! jmc        54: .Op Fl o Ar output
        !            55: .Sm off
        !            56: .No http:// Ar host Oo : Ar port
        !            57: .Oc No / Ar file
        !            58: .Sm on
1.3       deraadt    59: .Nm ftp
1.42    ! jmc        60: .Op Fl o Ar output
        !            61: .Sm off
        !            62: .Ar host : No / Ar file Oo /
        !            63: .Oc
        !            64: .Sm on
1.1       deraadt    65: .Sh DESCRIPTION
1.27      aaron      66: .Nm
1.1       deraadt    67: is the user interface to the
                     68: .Tn ARPANET
                     69: standard File Transfer Protocol.
                     70: The program allows a user to transfer files to and from a
                     71: remote network site.
1.3       deraadt    72: .Pp
1.7       millert    73: The latter three usage formats will fetch a file using either the
                     74: HTTP or FTP protocols into the current directory.
1.29      aaron      75: This is ideal for scripts.
                     76: Refer to
1.9       millert    77: .Sx AUTO-FETCHING FILES
                     78: below for more information.
1.7       millert    79: .Pp
1.28      aaron      80: The options are as follows:
1.32      aaron      81: .Bl -tag -width Ds
1.42    ! jmc        82: .It Fl 4
        !            83: Forces
        !            84: .Nm
        !            85: to use IPv4 addresses only.
        !            86: .It Fl 6
        !            87: Forces
        !            88: .Nm
        !            89: to use IPv6 addresses only.
1.16      millert    90: .It Fl A
1.29      aaron      91: Force active mode ftp.
                     92: By default,
1.16      millert    93: .Nm
                     94: will try to use passive mode ftp and fall back to active mode
1.29      aaron      95: if passive is not supported by the server.
                     96: This option causes
1.16      millert    97: .Nm
1.29      aaron      98: to always use an active connection.
                     99: It is only useful for connecting
1.16      millert   100: to very old servers that do not implement passive mode properly.
1.6       millert   101: .It Fl a
                    102: Causes
                    103: .Nm
1.22      aaron     104: to bypass the normal login procedure and use an anonymous login instead.
1.6       millert   105: .It Fl d
                    106: Enables debugging.
1.8       kstailey  107: .It Fl e
1.29      aaron     108: Disables command line editing.
                    109: Useful for Emacs ange-ftp.
1.6       millert   110: .It Fl g
                    111: Disables file name globbing.
                    112: .It Fl i
                    113: Turns off interactive prompting during
                    114: multiple file transfers.
1.20      millert   115: .It Fl m
                    116: Causes
                    117: .Nm
1.21      millert   118: to always display the progress meter in cases where it would not do
                    119: so by default.
1.1       deraadt   120: .It Fl n
                    121: Restrains
1.6       millert   122: .Nm
                    123: from attempting
                    124: .Dq auto-login
                    125: upon initial connection.
1.1       deraadt   126: If auto-login is enabled,
1.6       millert   127: .Nm
1.1       deraadt   128: will check the
                    129: .Pa .netrc
1.42    ! jmc       130: file (see below) in the user's home directory for an entry describing
1.1       deraadt   131: an account on the remote machine.
                    132: If no entry exists,
1.6       millert   133: .Nm
1.1       deraadt   134: will prompt for the remote machine login name (default is the user
                    135: identity on the local machine), and, if necessary, prompt for a password
                    136: and an account with which to login.
1.17      millert   137: .It Fl o Ar output
1.42    ! jmc       138: When fetching a single file or URL, save the contents in
1.17      millert   139: .Ar output .
1.22      aaron     140: To make the contents go to stdout,
1.17      millert   141: use
1.22      aaron     142: .Dq -
1.17      millert   143: for
                    144: .Ar output .
1.42    ! jmc       145: .It Fl P Ar port
        !           146: Sets the port number to
        !           147: .Ar port .
1.6       millert   148: .It Fl p
                    149: Enable passive mode operation for use behind connection filtering firewalls.
1.16      millert   150: This option has been deprecated as
                    151: .Nm
                    152: now tries to use passive mode by default, falling back to active mode
                    153: if the server does not support passive connections.
1.42    ! jmc       154: .It Fl r Ar seconds
        !           155: Retry to connect if failed, pausing for number of
        !           156: .Ar seconds .
1.6       millert   157: .It Fl t
                    158: Enables packet tracing.
1.42    ! jmc       159: .It Fl V
        !           160: Disable verbose mode, overriding the default of enabled when input
        !           161: is from a terminal.
1.6       millert   162: .It Fl v
                    163: Enable verbose mode.
                    164: This is the default if input is from a terminal.
                    165: Forces
                    166: .Nm
                    167: to show all responses from the remote server, as well
                    168: as report on data transfer statistics.
1.1       deraadt   169: .El
                    170: .Pp
                    171: The client host with which
1.6       millert   172: .Nm
1.1       deraadt   173: is to communicate may be specified on the command line.
                    174: If this is done,
1.6       millert   175: .Nm
1.1       deraadt   176: will immediately attempt to establish a connection to an
                    177: .Tn FTP
                    178: server on that host; otherwise,
1.6       millert   179: .Nm
1.1       deraadt   180: will enter its command interpreter and await instructions
                    181: from the user.
                    182: When
1.6       millert   183: .Nm
1.42    ! jmc       184: is awaiting commands, the prompt
1.29      aaron     185: .Dq ftp>
1.1       deraadt   186: is provided to the user.
                    187: The following commands are recognized
                    188: by
1.22      aaron     189: .Nm ftp :
1.1       deraadt   190: .Bl -tag -width Fl
                    191: .It Ic \&! Op Ar command Op Ar args
                    192: Invoke an interactive shell on the local machine.
                    193: If there are arguments, the first is taken to be a command to execute
                    194: directly, with the rest of the arguments as its arguments.
                    195: .It Ic \&$ Ar macro-name Op Ar args
                    196: Execute the macro
                    197: .Ar macro-name
                    198: that was defined with the
                    199: .Ic macdef
                    200: command.
                    201: Arguments are passed to the macro unglobbed.
1.42    ! jmc       202: .It Ic \&? Op Ar command
        !           203: A synonym for
        !           204: .Ic help .
1.1       deraadt   205: .It Ic account Op Ar passwd
                    206: Supply a supplemental password required by a remote system for access
                    207: to resources once a login has been successfully completed.
                    208: If no argument is included, the user will be prompted for an account
                    209: password in a non-echoing input mode.
                    210: .It Ic append Ar local-file Op Ar remote-file
                    211: Append a local file to a file on the remote machine.
                    212: If
                    213: .Ar remote-file
                    214: is left unspecified, the local file name is used in naming the
                    215: remote file after being altered by any
                    216: .Ic ntrans
                    217: or
                    218: .Ic nmap
                    219: setting.
                    220: File transfer uses the current settings for
1.29      aaron     221: .Ic type ,
1.1       deraadt   222: .Ic format ,
1.29      aaron     223: .Ic mode ,
1.1       deraadt   224: and
                    225: .Ic structure .
                    226: .It Ic ascii
                    227: Set the file transfer
                    228: .Ic type
                    229: to network
                    230: .Tn ASCII .
                    231: This is the default type.
                    232: .It Ic bell
                    233: Arrange that a bell be sounded after each file transfer
                    234: command is completed.
                    235: .It Ic binary
                    236: Set the file transfer
                    237: .Ic type
                    238: to support binary image transfer.
                    239: .It Ic bye
                    240: Terminate the
                    241: .Tn FTP
                    242: session with the remote server
                    243: and exit
1.6       millert   244: .Nm ftp .
1.22      aaron     245: An end-of-file will also terminate the session and exit.
1.1       deraadt   246: .It Ic case
                    247: Toggle remote computer file name case mapping during
                    248: .Ic mget
                    249: commands.
                    250: When
                    251: .Ic case
                    252: is on (default is off), remote computer file names with all letters in
                    253: upper case are written in the local directory with the letters mapped
                    254: to lower case.
1.42    ! jmc       255: .It Ic cd Ar remote-directory
1.1       deraadt   256: Change the working directory on the remote machine
                    257: to
1.6       millert   258: .Ar remote-directory .
1.1       deraadt   259: .It Ic cdup
                    260: Change the remote machine working directory to the parent of the
                    261: current remote machine working directory.
                    262: .It Ic chmod Ar mode file-name
                    263: Change the permission modes of the file
                    264: .Ar file-name
                    265: on the remote
1.6       millert   266: system to
                    267: .Ar mode .
1.1       deraadt   268: .It Ic close
                    269: Terminate the
                    270: .Tn FTP
1.22      aaron     271: session with the remote server and
1.1       deraadt   272: return to the command interpreter.
                    273: Any defined macros are erased.
1.42    ! jmc       274: .It Ic cr
1.1       deraadt   275: Toggle carriage return stripping during
1.22      aaron     276: ASCII type file retrieval.
1.1       deraadt   277: Records are denoted by a carriage return/linefeed sequence
1.22      aaron     278: during ASCII type file transfer.
1.1       deraadt   279: When
1.42    ! jmc       280: .Ic cr
1.1       deraadt   281: is on (the default), carriage returns are stripped from this
                    282: sequence to conform with the
                    283: .Ux
1.42    ! jmc       284: single linefeed record delimiter.
        !           285: Records on non-UNIX
1.1       deraadt   286: remote systems may contain single linefeeds;
1.22      aaron     287: when an ASCII type transfer is made, these linefeeds may be
1.1       deraadt   288: distinguished from a record delimiter only when
1.42    ! jmc       289: .Ic cr
1.1       deraadt   290: is off.
                    291: .It Ic debug Op Ar debug-value
                    292: Toggle debugging mode.
                    293: If an optional
                    294: .Ar debug-value
1.42    ! jmc       295: is specified, it is used to set the debugging level.
1.1       deraadt   296: When debugging is on,
1.6       millert   297: .Nm
1.7       millert   298: prints each command sent to the remote machine,
                    299: preceded by the string
1.42    ! jmc       300: .Ql --> .
        !           301: .It Ic delete Ar remote-file
        !           302: Delete the file
        !           303: .Ar remote-file
        !           304: on the remote machine.
1.6       millert   305: .It Ic dir Op Ar remote-directory Op Ar local-file
1.30      millert   306: A synonym for
                    307: .Ic ls .
1.1       deraadt   308: .It Ic disconnect
                    309: A synonym for
1.6       millert   310: .Ic close .
                    311: .It Ic edit
                    312: Toggle command line editing, and context sensitive command and file
                    313: completion.
                    314: This is automatically enabled if input is from a terminal, and
                    315: disabled otherwise.
1.31      itojun    316: .It Ic epsv4
                    317: Toggle use of EPSV/EPRT command on IPv4 connection.
1.6       millert   318: .It Ic exit
                    319: A synonym for
                    320: .Ic bye .
1.1       deraadt   321: .It Ic form Ar format
                    322: Set the file transfer
                    323: .Ic form
                    324: to
1.6       millert   325: .Ar format .
1.42    ! jmc       326: The default format is
        !           327: .Dq file .
        !           328: .It Ic ftp Ar host Op Ar port
        !           329: A synonym for
        !           330: .Ic open .
        !           331: .It Ic gate Op Ar host Op Ar port
        !           332: Toggle gate-ftp mode.
        !           333: This will not be permitted if the gate-ftp server hasn't been set
        !           334: (either explicitly by the user, or from the
        !           335: .Ev FTPSERVER
        !           336: environment variable).
        !           337: If
        !           338: .Ar host
        !           339: is given,
        !           340: then gate-ftp mode will be enabled, and the gate-ftp server will be set to
        !           341: .Ar host .
        !           342: If
        !           343: .Ar port
        !           344: is also given, that will be used as the port to connect to on the
        !           345: gate-ftp server.
1.1       deraadt   346: .It Ic get Ar remote-file Op Ar local-file
                    347: Retrieve the
                    348: .Ar remote-file
                    349: and store it on the local machine.
                    350: If the local
                    351: file name is not specified, it is given the same
                    352: name it has on the remote machine, subject to
                    353: alteration by the current
1.29      aaron     354: .Ic case ,
1.1       deraadt   355: .Ic ntrans ,
                    356: and
                    357: .Ic nmap
                    358: settings.
                    359: The current settings for
1.29      aaron     360: .Ic type ,
1.1       deraadt   361: .Ic form ,
1.29      aaron     362: .Ic mode ,
1.1       deraadt   363: and
                    364: .Ic structure
                    365: are used while transferring the file.
                    366: .It Ic glob
                    367: Toggle filename expansion for
1.29      aaron     368: .Ic mdelete ,
1.1       deraadt   369: .Ic mget
                    370: and
1.6       millert   371: .Ic mput .
1.1       deraadt   372: If globbing is turned off with
1.29      aaron     373: .Ic glob ,
1.1       deraadt   374: the file name arguments
                    375: are taken literally and not expanded.
                    376: Globbing for
                    377: .Ic mput
                    378: is done as in
                    379: .Xr csh 1 .
                    380: For
                    381: .Ic mdelete
                    382: and
1.29      aaron     383: .Ic mget ,
1.1       deraadt   384: each remote file name is expanded
                    385: separately on the remote machine and the lists are not merged.
                    386: Expansion of a directory name is likely to be
                    387: different from expansion of the name of an ordinary file:
                    388: the exact result depends on the foreign operating system and ftp server,
                    389: and can be previewed by doing
1.42    ! jmc       390: .Dq mls remote-files - .
1.1       deraadt   391: Note:
                    392: .Ic mget
                    393: and
                    394: .Ic mput
                    395: are not meant to transfer
                    396: entire directory subtrees of files.
                    397: That can be done by
                    398: transferring a
                    399: .Xr tar 1
                    400: archive of the subtree (in binary mode).
1.5       kstailey  401: .It Ic hash Op Ar size
1.29      aaron     402: Toggle hash mark
                    403: .Pq Ql #
                    404: printing for each data block transferred.
1.5       kstailey  405: The size of a data block defaults to 1024 bytes.
1.6       millert   406: This can be changed by specifying
                    407: .Ar size
                    408: in bytes.
1.1       deraadt   409: .It Ic help Op Ar command
                    410: Print an informative message about the meaning of
1.6       millert   411: .Ar command .
1.1       deraadt   412: If no argument is given,
1.6       millert   413: .Nm
1.1       deraadt   414: prints a list of the known commands.
                    415: .It Ic idle Op Ar seconds
                    416: Set the inactivity timer on the remote server to
                    417: .Ar seconds
                    418: seconds.
                    419: If
                    420: .Ar seconds
                    421: is omitted, the current inactivity timer is printed.
                    422: .It Ic lcd Op Ar directory
                    423: Change the working directory on the local machine.
                    424: If
                    425: no
                    426: .Ar directory
                    427: is specified, the user's home directory is used.
1.10      millert   428: .It Ic less Ar file
                    429: A synonym for
                    430: .Ic page .
1.6       millert   431: .It Ic lpwd
                    432: Print the working directory on the local machine.
1.42    ! jmc       433: .It Ic ls Op Ar remote-directory Op Ar local-file
        !           434: Print a listing of the contents of a directory on the remote machine.
1.30      millert   435: The listing includes any system-dependent information that the server
                    436: chooses to include; for example, most
                    437: .Ux
1.42    ! jmc       438: systems will produce output from the command
        !           439: .Ql ls -l .
1.1       deraadt   440: If
                    441: .Ar remote-directory
                    442: is left unspecified, the current working directory is used.
                    443: If interactive prompting is on,
1.6       millert   444: .Nm
1.1       deraadt   445: will prompt the user to verify that the last argument is indeed the
                    446: target local file for receiving
1.6       millert   447: .Ic ls
1.1       deraadt   448: output.
                    449: If no local file is specified, or if
                    450: .Ar local-file
                    451: is
1.29      aaron     452: .Dq - ,
1.1       deraadt   453: the output is sent to the terminal.
                    454: .It Ic macdef Ar macro-name
                    455: Define a macro.
                    456: Subsequent lines are stored as the macro
1.29      aaron     457: .Ar macro-name ;
1.1       deraadt   458: a null line (consecutive newline characters
                    459: in a file or
                    460: carriage returns from the terminal) terminates macro input mode.
                    461: There is a limit of 16 macros and 4096 total characters in all
                    462: defined macros.
                    463: Macros remain defined until a
                    464: .Ic close
                    465: command is executed.
1.29      aaron     466: The macro processor interprets
                    467: .Ql $
                    468: and
                    469: .Ql \e
                    470: as special characters.
                    471: A
                    472: .Ql $
                    473: followed by a number (or numbers) is replaced by the
1.1       deraadt   474: corresponding argument on the macro invocation command line.
1.29      aaron     475: A
                    476: .Ql $
                    477: followed by an
                    478: .Sq i
                    479: tells the macro processor that the
1.1       deraadt   480: executing macro is to be looped.
1.29      aaron     481: On the first pass
                    482: .Ql $i
                    483: is
1.1       deraadt   484: replaced by the first argument on the macro invocation command line,
                    485: on the second pass it is replaced by the second argument, and so on.
1.29      aaron     486: A
                    487: .Ql \e
                    488: followed by any character is replaced by that character.
                    489: Use the
                    490: .Ql \e
                    491: to prevent special treatment of the
                    492: .Ql $ .
1.1       deraadt   493: .It Ic mdelete Op Ar remote-files
                    494: Delete the
                    495: .Ar remote-files
                    496: on the remote machine.
                    497: .It Ic mdir Ar remote-files local-file
1.30      millert   498: A synonym for
                    499: .Ic mls .
1.1       deraadt   500: .It Ic mget Ar remote-files
                    501: Expand the
                    502: .Ar remote-files
                    503: on the remote machine
                    504: and do a
                    505: .Ic get
                    506: for each file name thus produced.
                    507: See
                    508: .Ic glob
                    509: for details on the filename expansion.
                    510: Resulting file names will then be processed according to
1.29      aaron     511: .Ic case ,
1.1       deraadt   512: .Ic ntrans ,
                    513: and
                    514: .Ic nmap
                    515: settings.
                    516: Files are transferred into the local working directory,
                    517: which can be changed with
                    518: .Ql lcd directory ;
                    519: new local directories can be created with
                    520: .Ql "\&! mkdir directory" .
                    521: .It Ic mkdir Ar directory-name
                    522: Make a directory on the remote machine.
                    523: .It Ic mls Ar remote-files local-file
                    524: Like
1.29      aaron     525: .Ic ls ,
1.1       deraadt   526: except multiple remote files may be specified,
                    527: and the
                    528: .Ar local-file
                    529: must be specified.
                    530: If interactive prompting is on,
1.6       millert   531: .Nm
1.1       deraadt   532: will prompt the user to verify that the last argument is indeed the
                    533: target local file for receiving
                    534: .Ic mls
                    535: output.
                    536: .It Ic mode Op Ar mode-name
                    537: Set the file transfer
                    538: .Ic mode
                    539: to
1.6       millert   540: .Ar mode-name .
1.42    ! jmc       541: The default mode is
        !           542: .Dq stream
        !           543: mode.
1.1       deraadt   544: .It Ic modtime Ar file-name
                    545: Show the last modification time of the file on the remote machine.
1.10      millert   546: .It Ic more Ar file
                    547: A synonym for
                    548: .Ic page .
1.1       deraadt   549: .It Ic mput Ar local-files
                    550: Expand wild cards in the list of local files given as arguments
                    551: and do a
                    552: .Ic put
                    553: for each file in the resulting list.
                    554: See
                    555: .Ic glob
                    556: for details of filename expansion.
                    557: Resulting file names will then be processed according to
                    558: .Ic ntrans
                    559: and
                    560: .Ic nmap
                    561: settings.
1.6       millert   562: .It Ic msend Ar local-files
                    563: A synonym for
                    564: .Ic mput .
1.1       deraadt   565: .It Ic newer Ar file-name
                    566: Get the file only if the modification time of the remote file is more
1.22      aaron     567: recent than the file on the current system.
1.1       deraadt   568: If the file does not
                    569: exist on the current system, the remote file is considered
1.6       millert   570: .Ic newer .
1.1       deraadt   571: Otherwise, this command is identical to
1.6       millert   572: .Ar get .
                    573: .It Ic nlist Op Ar remote-directory Op Ar local-file
1.30      millert   574: Print a list of the files in a
                    575: directory on the remote machine.
                    576: If
                    577: .Ar remote-directory
                    578: is left unspecified, the current working directory is used.
                    579: If interactive prompting is on,
                    580: .Nm
                    581: will prompt the user to verify that the last argument is indeed the
                    582: target local file for receiving
                    583: .Ic nlist
                    584: output.
                    585: If no local file is specified, or if
                    586: .Ar local-file
                    587: is
                    588: .Dq - ,
1.38      jmc       589: the output is sent to the terminal.
                    590: Note that on some servers, the
1.30      millert   591: .Ic nlist
                    592: command will only return information on normal files (not directories
                    593: or special files).
1.1       deraadt   594: .It Ic nmap Op Ar inpattern outpattern
                    595: Set or unset the filename mapping mechanism.
                    596: If no arguments are specified, the filename mapping mechanism is unset.
                    597: If arguments are specified, remote filenames are mapped during
                    598: .Ic mput
                    599: commands and
                    600: .Ic put
                    601: commands issued without a specified remote target filename.
                    602: If arguments are specified, local filenames are mapped during
                    603: .Ic mget
                    604: commands and
                    605: .Ic get
                    606: commands issued without a specified local target filename.
1.42    ! jmc       607: This command is useful when connecting to a non-UNIX remote computer
1.1       deraadt   608: with different file naming conventions or practices.
1.42    ! jmc       609: .Pp
1.1       deraadt   610: The mapping follows the pattern set by
                    611: .Ar inpattern
                    612: and
1.6       millert   613: .Ar outpattern .
1.22      aaron     614: .Ar inpattern
1.1       deraadt   615: is a template for incoming filenames (which may have already been
                    616: processed according to the
                    617: .Ic ntrans
                    618: and
                    619: .Ic case
                    620: settings).
                    621: Variable templating is accomplished by including the
1.29      aaron     622: sequences
                    623: .Ql $1 ,
                    624: .Ql $2 ,
                    625: ...,
                    626: .Ql $9
                    627: in
1.6       millert   628: .Ar inpattern .
1.29      aaron     629: Use
                    630: .Ql \e
                    631: to prevent this special treatment of the
                    632: .Ql $
                    633: character.
1.1       deraadt   634: All other characters are treated literally, and are used to determine the
                    635: .Ic nmap
1.22      aaron     636: .Ar inpattern
1.1       deraadt   637: variable values.
                    638: For example, given
                    639: .Ar inpattern
                    640: $1.$2 and the remote file name "mydata.data", $1 would have the value
                    641: "mydata", and $2 would have the value "data".
                    642: The
                    643: .Ar outpattern
                    644: determines the resulting mapped filename.
1.29      aaron     645: The sequences
                    646: .Ql $1 ,
                    647: .Ql $2 ,
1.42    ! jmc       648: \&...,
1.29      aaron     649: .Ql $9
                    650: are replaced by any value resulting from the
1.1       deraadt   651: .Ar inpattern
                    652: template.
1.29      aaron     653: The sequence
                    654: .Ql $0
                    655: is replaced by the original filename.
1.1       deraadt   656: Additionally, the sequence
1.40      jmc       657: .Sq Op Ar seq1 , Ar seq2
1.1       deraadt   658: is replaced by
                    659: .Op Ar seq1
                    660: if
                    661: .Ar seq1
                    662: is not a null string; otherwise it is replaced by
                    663: .Ar seq2 .
1.42    ! jmc       664: For example:
1.1       deraadt   665: .Pp
1.42    ! jmc       666: .Dl nmap $1.$2.$3 [$1,$2].[$2,file]
1.1       deraadt   667: .Pp
1.42    ! jmc       668: This command would yield the output filename
        !           669: .Pa myfile.data
1.29      aaron     670: for input filenames
                    671: .Pa myfile.data
                    672: and
1.42    ! jmc       673: .Pa myfile.data.old ;
1.29      aaron     674: .Pa myfile.file
                    675: for the input filename
1.42    ! jmc       676: .Pa myfile ;
1.29      aaron     677: and
                    678: .Pa myfile.myfile
                    679: for the input filename
1.42    ! jmc       680: .Pa .myfile .
1.1       deraadt   681: Spaces may be included in
1.29      aaron     682: .Ar outpattern ,
                    683: as in the example
1.42    ! jmc       684: .Bd -literal -offset indent
        !           685: nmap $1 sed "s/  *$//" > $1
1.29      aaron     686: .Ed
                    687: .Pp
                    688: Use the
                    689: .Ql \e
                    690: character to prevent special treatment
                    691: of the
                    692: .Ql $ ,
                    693: .Ql [ ,
                    694: .Ql \&] ,
                    695: and
                    696: .Ql \&,
                    697: characters.
1.1       deraadt   698: .It Ic ntrans Op Ar inchars Op Ar outchars
                    699: Set or unset the filename character translation mechanism.
                    700: If no arguments are specified, the filename character
                    701: translation mechanism is unset.
                    702: If arguments are specified, characters in
                    703: remote filenames are translated during
                    704: .Ic mput
                    705: commands and
                    706: .Ic put
                    707: commands issued without a specified remote target filename.
                    708: If arguments are specified, characters in
                    709: local filenames are translated during
                    710: .Ic mget
                    711: commands and
                    712: .Ic get
                    713: commands issued without a specified local target filename.
1.42    ! jmc       714: This command is useful when connecting to a non-UNIX remote computer
1.1       deraadt   715: with different file naming conventions or practices.
                    716: Characters in a filename matching a character in
                    717: .Ar inchars
                    718: are replaced with the corresponding character in
1.6       millert   719: .Ar outchars .
1.1       deraadt   720: If the character's position in
                    721: .Ar inchars
                    722: is longer than the length of
1.29      aaron     723: .Ar outchars ,
1.1       deraadt   724: the character is deleted from the file name.
                    725: .It Ic open Ar host Op Ar port
                    726: Establish a connection to the specified
                    727: .Ar host
                    728: .Tn FTP
                    729: server.
1.42    ! jmc       730: An optional port number may be supplied,
1.22      aaron     731: in which case
1.6       millert   732: .Nm
1.1       deraadt   733: will attempt to contact an
                    734: .Tn FTP
                    735: server at that port.
                    736: If the
                    737: .Ic auto-login
                    738: option is on (default),
1.6       millert   739: .Nm
1.1       deraadt   740: will also attempt to automatically log the user in to
                    741: the
                    742: .Tn FTP
                    743: server (see below).
1.9       millert   744: .It Ic page Ar file
                    745: Retrieve
                    746: .Ic file
                    747: and display with the program defined in
1.25      aaron     748: .Ev PAGER
1.26      pjanzen   749: (defaulting to
                    750: .Xr more 1
                    751: if
                    752: .Ev PAGER
                    753: is null or not defined).
1.1       deraadt   754: .It Ic passive
1.29      aaron     755: Toggle passive mode.
                    756: If passive mode is turned on (default is on), the ftp client will
1.1       deraadt   757: send a
                    758: .Dv PASV
                    759: command for all data connections instead of the usual
                    760: .Dv PORT
1.29      aaron     761: command.
                    762: The
1.1       deraadt   763: .Dv PASV
                    764: command requests that the remote server open a port for the data connection
1.29      aaron     765: and return the address of that port.
                    766: The remote server listens on that port and the client connects to it.
                    767: When using the more traditional
1.1       deraadt   768: .Dv PORT
                    769: command, the client listens on a port and sends that address to the remote
1.29      aaron     770: server, who connects back to it.
                    771: Passive mode is useful when using
1.6       millert   772: .Nm
1.1       deraadt   773: through a gateway router or host that controls the directionality of
                    774: traffic.
                    775: (Note that though ftp servers are required to support the
                    776: .Dv PASV
                    777: command by RFC 1123, some do not.)
1.6       millert   778: .It Ic preserve
                    779: Toggle preservation of modification times on retrieved files.
                    780: .It Ic progress
                    781: Toggle display of transfer progress bar.
1.9       millert   782: The progress bar will be disabled for a transfer that has
                    783: .Ar local-file
                    784: as
1.29      aaron     785: .Dq -
1.9       millert   786: or a command that starts with
                    787: .Sq \&| .
                    788: Refer to
                    789: .Sx FILE NAMING CONVENTIONS
                    790: for more information.
1.1       deraadt   791: .It Ic prompt
                    792: Toggle interactive prompting.
                    793: Interactive prompting
                    794: occurs during multiple file transfers to allow the
                    795: user to selectively retrieve or store files.
                    796: If prompting is turned off (default is on), any
                    797: .Ic mget
                    798: or
                    799: .Ic mput
                    800: will transfer all files, and any
                    801: .Ic mdelete
                    802: will delete all files.
1.6       millert   803: .Pp
                    804: When prompting is on, the following commands are available at a prompt:
                    805: .Bl -tag -width 2n -offset indent
                    806: .It Ic a
                    807: Answer
1.22      aaron     808: .Dq yes
                    809: to the current file and automatically answer
                    810: .Dq yes
1.6       millert   811: to any remaining files for the current command.
1.42    ! jmc       812: .It Ic n
        !           813: Do not transfer the file.
1.6       millert   814: .It Ic p
                    815: Answer
1.22      aaron     816: .Dq yes
                    817: to the current file and turn off prompt mode
                    818: (as if
1.6       millert   819: .Dq prompt off
                    820: had been given).
1.42    ! jmc       821: .It Ic y
        !           822: Transfer the file.
1.6       millert   823: .El
1.1       deraadt   824: .It Ic proxy Ar ftp-command
                    825: Execute an ftp command on a secondary control connection.
                    826: This command allows simultaneous connection to two remote ftp
                    827: servers for transferring files between the two servers.
                    828: The first
                    829: .Ic proxy
                    830: command should be an
1.29      aaron     831: .Ic open ,
1.1       deraadt   832: to establish the secondary control connection.
1.29      aaron     833: Enter the command
1.41      jmc       834: .Ic proxy ?\&
1.29      aaron     835: to see other ftp commands executable on the
1.1       deraadt   836: secondary connection.
                    837: The following commands behave differently when prefaced by
1.29      aaron     838: .Ic proxy :
1.1       deraadt   839: .Ic open
1.42    ! jmc       840: will not define new macros during the auto-login process;
1.1       deraadt   841: .Ic close
1.42    ! jmc       842: will not erase existing macro definitions;
1.1       deraadt   843: .Ic get
                    844: and
                    845: .Ic mget
                    846: transfer files from the host on the primary control connection
1.42    ! jmc       847: to the host on the secondary control connection; and
1.29      aaron     848: .Ic put ,
1.1       deraadt   849: .Ic mput ,
                    850: and
                    851: .Ic append
                    852: transfer files from the host on the secondary control connection
                    853: to the host on the primary control connection.
                    854: Third party file transfers depend upon support of the ftp protocol
                    855: .Dv PASV
                    856: command by the server on the secondary control connection.
                    857: .It Ic put Ar local-file Op Ar remote-file
                    858: Store a local file on the remote machine.
                    859: If
                    860: .Ar remote-file
                    861: is left unspecified, the local file name is used
                    862: after processing according to any
                    863: .Ic ntrans
                    864: or
                    865: .Ic nmap
                    866: settings
                    867: in naming the remote file.
                    868: File transfer uses the
                    869: current settings for
1.29      aaron     870: .Ic type ,
1.1       deraadt   871: .Ic format ,
1.29      aaron     872: .Ic mode ,
1.1       deraadt   873: and
1.6       millert   874: .Ic structure .
1.1       deraadt   875: .It Ic pwd
                    876: Print the name of the current working directory on the remote
                    877: machine.
                    878: .It Ic quit
                    879: A synonym for
1.6       millert   880: .Ic bye .
1.1       deraadt   881: .It Ic quote Ar arg1 arg2 ...
                    882: The arguments specified are sent, verbatim, to the remote
                    883: .Tn FTP
                    884: server.
                    885: .It Ic recv Ar remote-file Op Ar local-file
1.6       millert   886: A synonym for
                    887: .Ic get .
1.1       deraadt   888: .It Ic reget Ar remote-file Op Ar local-file
                    889: Reget acts like get, except that if
                    890: .Ar local-file
                    891: exists and is
                    892: smaller than
1.29      aaron     893: .Ar remote-file ,
1.1       deraadt   894: .Ar local-file
                    895: is presumed to be
                    896: a partially transferred copy of
                    897: .Ar remote-file
                    898: and the transfer
                    899: is continued from the apparent point of failure.
                    900: This command
                    901: is useful when transferring very large files over networks that
                    902: are prone to dropping connections.
1.6       millert   903: .It Ic rename Op Ar from Op Ar to
1.1       deraadt   904: Rename the file
                    905: .Ar from
1.22      aaron     906: on the remote machine to the file
1.6       millert   907: .Ar to .
1.1       deraadt   908: .It Ic reset
                    909: Clear reply queue.
                    910: This command re-synchronizes command/reply sequencing with the remote
                    911: ftp server.
                    912: Resynchronization may be necessary following a violation of the ftp protocol
                    913: by the remote server.
                    914: .It Ic restart Ar marker
                    915: Restart the immediately following
                    916: .Ic get
                    917: or
                    918: .Ic put
                    919: at the
                    920: indicated
1.6       millert   921: .Ar marker .
1.1       deraadt   922: On
                    923: .Ux
1.22      aaron     924: systems,
                    925: .Ar marker
                    926: is usually a byte
1.1       deraadt   927: offset into the file.
1.42    ! jmc       928: .It Ic rhelp Op Ar command-name
        !           929: Request help from the remote
        !           930: .Tn FTP
        !           931: server.
        !           932: If a
        !           933: .Ar command-name
        !           934: is specified, it is supplied to the server as well.
1.1       deraadt   935: .It Ic rmdir Ar directory-name
                    936: Delete a directory on the remote machine.
1.42    ! jmc       937: .It Ic rstatus Op Ar file-name
        !           938: With no arguments, show status of remote machine.
        !           939: If
        !           940: .Ar file-name
        !           941: is specified, show status of
        !           942: .Ar file-name
        !           943: on remote machine.
1.1       deraadt   944: .It Ic runique
                    945: Toggle storing of files on the local system with unique filenames.
                    946: If a file already exists with a name equal to the target
                    947: local filename for a
                    948: .Ic get
                    949: or
                    950: .Ic mget
1.29      aaron     951: command, a
1.42    ! jmc       952: .Dq .1
1.29      aaron     953: is appended to the name.
1.1       deraadt   954: If the resulting name matches another existing file,
1.29      aaron     955: a
1.42    ! jmc       956: .Dq .2
1.29      aaron     957: is appended to the original name.
                    958: If this process continues up to
1.42    ! jmc       959: .Dq .99 ,
        !           960: an error message is printed, and the transfer does not take place.
1.1       deraadt   961: The generated unique filename will be reported.
                    962: Note that
                    963: .Ic runique
                    964: will not affect local files generated from a shell command
                    965: (see below).
                    966: The default value is off.
                    967: .It Ic send Ar local-file Op Ar remote-file
1.6       millert   968: A synonym for
                    969: .Ic put .
1.1       deraadt   970: .It Ic sendport
                    971: Toggle the use of
                    972: .Dv PORT
                    973: commands.
                    974: By default,
1.6       millert   975: .Nm
1.1       deraadt   976: will attempt to use a
                    977: .Dv PORT
                    978: command when establishing
                    979: a connection for each data transfer.
                    980: The use of
                    981: .Dv PORT
                    982: commands can prevent delays
                    983: when performing multiple file transfers.
                    984: If the
                    985: .Dv PORT
                    986: command fails,
1.6       millert   987: .Nm
1.1       deraadt   988: will use the default data port.
                    989: When the use of
                    990: .Dv PORT
                    991: commands is disabled, no attempt will be made to use
                    992: .Dv PORT
                    993: commands for each data transfer.
                    994: This is useful
                    995: for certain
                    996: .Tn FTP
                    997: implementations which do ignore
                    998: .Dv PORT
                    999: commands but, incorrectly, indicate they've been accepted.
                   1000: .It Ic site Ar arg1 arg2 ...
                   1001: The arguments specified are sent, verbatim, to the remote
                   1002: .Tn FTP
                   1003: server as a
                   1004: .Dv SITE
                   1005: command.
                   1006: .It Ic size Ar file-name
                   1007: Return size of
                   1008: .Ar file-name
                   1009: on remote machine.
                   1010: .It Ic status
                   1011: Show the current status of
1.6       millert  1012: .Nm ftp .
1.42    ! jmc      1013: .\" .It Ic struct Op Ar struct-name
        !          1014: .\" Set the file transfer
        !          1015: .\" .Ar structure
        !          1016: .\" to
        !          1017: .\" .Ar struct-name .
        !          1018: .\" By default,
        !          1019: .\" .Dq file
        !          1020: .\" structure is used.
1.1       deraadt  1021: .It Ic sunique
                   1022: Toggle storing of files on remote machine under unique file names.
1.42    ! jmc      1023: The remote ftp server must support the ftp protocol
1.1       deraadt  1024: .Dv STOU
                   1025: command for
                   1026: successful completion.
1.42    ! jmc      1027: The remote server will report the unique name.
1.1       deraadt  1028: Default value is off.
                   1029: .It Ic system
                   1030: Show the type of operating system running on the remote machine.
                   1031: .It Ic tenex
                   1032: Set the file transfer type to that needed to
                   1033: talk to
                   1034: .Tn TENEX
                   1035: machines.
                   1036: .It Ic trace
                   1037: Toggle packet tracing.
                   1038: .It Ic type Op Ar type-name
                   1039: Set the file transfer
                   1040: .Ic type
                   1041: to
1.6       millert  1042: .Ar type-name .
1.1       deraadt  1043: If no type is specified, the current type
                   1044: is printed.
1.42    ! jmc      1045: The default type is
        !          1046: .Dq binary .
1.1       deraadt  1047: .It Ic umask Op Ar newmask
                   1048: Set the default umask on the remote server to
1.6       millert  1049: .Ar newmask .
1.1       deraadt  1050: If
                   1051: .Ar newmask
                   1052: is omitted, the current umask is printed.
                   1053: .It Xo
                   1054: .Ic user Ar user-name
1.6       millert  1055: .Op Ar password Op Ar account
1.1       deraadt  1056: .Xc
                   1057: Identify yourself to the remote
                   1058: .Tn FTP
                   1059: server.
                   1060: If the
                   1061: .Ar password
                   1062: is not specified and the server requires it,
1.6       millert  1063: .Nm
1.1       deraadt  1064: will prompt the user for it (after disabling local echo).
                   1065: If an
                   1066: .Ar account
                   1067: field is not specified, and the
                   1068: .Tn FTP
                   1069: server
                   1070: requires it, the user will be prompted for it.
                   1071: If an
                   1072: .Ar account
                   1073: field is specified, an account command will
                   1074: be relayed to the remote server after the login sequence
                   1075: is completed if the remote server did not require it
                   1076: for logging in.
                   1077: Unless
1.6       millert  1078: .Nm
1.42    ! jmc      1079: is invoked with
        !          1080: .Dq auto-login
        !          1081: disabled, this process is done automatically on initial connection to the
1.1       deraadt  1082: .Tn FTP
                   1083: server.
                   1084: .It Ic verbose
                   1085: Toggle verbose mode.
                   1086: In verbose mode, all responses from
                   1087: the
                   1088: .Tn FTP
                   1089: server are displayed to the user.
                   1090: In addition,
                   1091: if verbose is on, when a file transfer completes, statistics
                   1092: regarding the efficiency of the transfer are reported.
                   1093: By default,
                   1094: verbose is on.
                   1095: .El
                   1096: .Pp
                   1097: Command arguments which have embedded spaces may be quoted with
1.29      aaron    1098: quote
1.42    ! jmc      1099: .Pq Ql \&"
1.29      aaron    1100: marks.
1.6       millert  1101: .Pp
                   1102: Commands which toggle settings can take an explicit
                   1103: .Ic on
                   1104: or
                   1105: .Ic off
                   1106: argument to force the setting appropriately.
                   1107: .Pp
                   1108: If
                   1109: .Nm
                   1110: receives a
                   1111: .Dv SIGINFO
                   1112: (see the
                   1113: .Dq status
                   1114: argument of
                   1115: .Xr stty 1 )
                   1116: signal whilst a transfer is in progress, the current transfer rate
                   1117: statistics will be written to the standard error output, in the
                   1118: same format as the standard completion message.
                   1119: .Sh AUTO-FETCHING FILES
                   1120: In addition to standard commands, this version of
                   1121: .Nm
                   1122: supports an auto-fetch feature.
                   1123: To enable auto-fetch, simply pass the list of hostnames/files
                   1124: on the command line.
                   1125: .Pp
                   1126: The following formats are valid syntax for an auto-fetch element:
1.42    ! jmc      1127: .Bl -tag -width "ftp://[user:password@]host[:port]/file[/]"
        !          1128: .It host:/file[/]
1.6       millert  1129: .Dq Classic
1.42    ! jmc      1130: ftp format.
        !          1131: .It ftp://[user:password@]host[:port]/file[/]
1.11      millert  1132: An ftp URL, retrieved using the ftp protocol if
1.10      millert  1133: .Ev ftp_proxy
                   1134: isn't defined.
                   1135: Otherwise, transfer using http via the proxy defined in
                   1136: .Ev ftp_proxy .
1.11      millert  1137: If
1.42    ! jmc      1138: .Ar user : Ns Ar password Ns @
1.11      millert  1139: is given and
                   1140: .Ev ftp_proxy
                   1141: isn't defined, login as
                   1142: .Ar user
                   1143: with a password of
                   1144: .Ar password .
1.6       millert  1145: .It http://host[:port]/file
1.11      millert  1146: An http URL, retrieved using the http protocol.
1.6       millert  1147: If
                   1148: .Ev http_proxy
                   1149: is defined, it is used as a URL to an HTTP proxy server.
                   1150: .El
                   1151: .Pp
1.42    ! jmc      1152: If a classic format or an ftp URL format has a trailing
1.6       millert  1153: .Sq / ,
                   1154: then
                   1155: .Nm
                   1156: will connect to the site and
                   1157: .Ic cd
                   1158: to the directory given as the path, and leave the user in interactive
                   1159: mode ready for further input.
                   1160: .Pp
                   1161: If successive auto-fetch ftp elements refer to the same host, then
                   1162: the connection is maintained between transfers, reducing overhead on
                   1163: connection creation and deletion.
1.9       millert  1164: .Pp
                   1165: If
1.42    ! jmc      1166: .Ar file
        !          1167: contains a glob character and globbing is enabled
1.9       millert  1168: (see
1.13      millert  1169: .Ic glob ) ,
1.9       millert  1170: then the equivalent of
1.42    ! jmc      1171: .Ic mget Ar file
1.9       millert  1172: is performed.
                   1173: .Pp
1.19      d        1174: If no
                   1175: .Fl o
                   1176: option is specified, and
                   1177: the directory component of
1.42    ! jmc      1178: .Ar file
1.9       millert  1179: contains no globbing characters,
1.19      d        1180: then
1.9       millert  1181: it is stored in the current directory as the
                   1182: .Xr basename 1
                   1183: of
1.42    ! jmc      1184: .Ar file .
        !          1185: If
        !          1186: .Fl o Ar output
        !          1187: is specified, then
        !          1188: .Ar file
        !          1189: is stored as
        !          1190: .Ar output .
1.9       millert  1191: Otherwise, the remote name is used as the local name.
1.1       deraadt  1192: .Sh ABORTING A FILE TRANSFER
                   1193: To abort a file transfer, use the terminal interrupt key
                   1194: (usually Ctrl-C).
                   1195: Sending transfers will be immediately halted.
1.22      aaron    1196: Receiving transfers will be halted by sending an ftp protocol
1.1       deraadt  1197: .Dv ABOR
                   1198: command to the remote server, and discarding any further data received.
                   1199: The speed at which this is accomplished depends upon the remote
                   1200: server's support for
                   1201: .Dv ABOR
                   1202: processing.
                   1203: If the remote server does not support the
                   1204: .Dv ABOR
                   1205: command, an
                   1206: .Ql ftp>
                   1207: prompt will not appear until the remote server has completed
                   1208: sending the requested file.
                   1209: .Pp
                   1210: The terminal interrupt key sequence will be ignored when
1.6       millert  1211: .Nm
1.1       deraadt  1212: has completed any local processing and is awaiting a reply
                   1213: from the remote server.
                   1214: A long delay in this mode may result from the ABOR processing described
                   1215: above, or from unexpected behavior by the remote server, including
                   1216: violations of the ftp protocol.
                   1217: If the delay results from unexpected remote server behavior, the local
1.6       millert  1218: .Nm
1.1       deraadt  1219: program must be killed by hand.
                   1220: .Sh FILE NAMING CONVENTIONS
                   1221: Files specified as arguments to
1.6       millert  1222: .Nm
1.1       deraadt  1223: commands are processed according to the following rules.
                   1224: .Bl -enum
                   1225: .It
                   1226: If the file name
1.29      aaron    1227: .Dq -
                   1228: is specified, the standard input (for reading)
                   1229: or standard output (for writing)
                   1230: is used.
1.1       deraadt  1231: .It
                   1232: If the first character of the file name is
                   1233: .Sq \&| ,
                   1234: the
                   1235: remainder of the argument is interpreted as a shell command.
1.6       millert  1236: .Nm
1.1       deraadt  1237: then forks a shell, using
                   1238: .Xr popen 3
1.29      aaron    1239: with the argument supplied, and reads (writes) from the standard output
                   1240: (standard input).
1.1       deraadt  1241: If the shell command includes spaces, the argument
1.29      aaron    1242: must be quoted; e.g.,
1.42    ! jmc      1243: .Qq ls -lt .
1.1       deraadt  1244: A particularly
1.42    ! jmc      1245: useful example of this mechanism is:
        !          1246: .Qq dir |more .
1.1       deraadt  1247: .It
1.29      aaron    1248: Failing the above checks, if
                   1249: .Dq globbing
                   1250: is enabled,
1.1       deraadt  1251: local file names are expanded
                   1252: according to the rules used in the
1.29      aaron    1253: .Xr csh 1 ;
1.1       deraadt  1254: c.f. the
                   1255: .Ic glob
                   1256: command.
                   1257: If the
1.6       millert  1258: .Nm
1.29      aaron    1259: command expects a single local file (e.g.,
                   1260: .Ic put ) ,
                   1261: only the first filename generated by the
                   1262: .Dq globbing
                   1263: operation is used.
1.1       deraadt  1264: .It
                   1265: For
                   1266: .Ic mget
                   1267: commands and
                   1268: .Ic get
                   1269: commands with unspecified local file names, the local filename is
                   1270: the remote filename, which may be altered by a
1.29      aaron    1271: .Ic case ,
1.1       deraadt  1272: .Ic ntrans ,
                   1273: or
                   1274: .Ic nmap
                   1275: setting.
                   1276: The resulting filename may then be altered if
                   1277: .Ic runique
                   1278: is on.
                   1279: .It
                   1280: For
                   1281: .Ic mput
                   1282: commands and
                   1283: .Ic put
                   1284: commands with unspecified remote file names, the remote filename is
                   1285: the local filename, which may be altered by a
                   1286: .Ic ntrans
                   1287: or
                   1288: .Ic nmap
                   1289: setting.
                   1290: The resulting filename may then be altered by the remote server if
                   1291: .Ic sunique
                   1292: is on.
                   1293: .El
                   1294: .Sh FILE TRANSFER PARAMETERS
                   1295: The FTP specification specifies many parameters which may
                   1296: affect a file transfer.
                   1297: The
                   1298: .Ic type
1.42    ! jmc      1299: may be one of
        !          1300: .Dq ascii ,
        !          1301: .Dq binary ,
        !          1302: .Dq image ,
        !          1303: .Dq ebcdic
        !          1304: .Pq currently not supported
        !          1305: or
        !          1306: .Dq tenex
        !          1307: (local byte size 8, for PDP-10's and PDP-20's mostly).
1.6       millert  1308: .Nm
1.38      jmc      1309: supports the ASCII and image types of file transfer,
1.1       deraadt  1310: plus local byte size 8 for
                   1311: .Ic tenex
                   1312: mode transfers.
                   1313: .Pp
1.6       millert  1314: .Nm
1.1       deraadt  1315: supports only the default values for the remaining
                   1316: file transfer parameters:
1.29      aaron    1317: .Ic mode ,
1.1       deraadt  1318: .Ic form ,
                   1319: and
1.6       millert  1320: .Ic struct .
1.1       deraadt  1321: .Sh THE .netrc FILE
                   1322: The
                   1323: .Pa .netrc
                   1324: file contains login and initialization information
                   1325: used by the auto-login process.
                   1326: It resides in the user's home directory.
                   1327: The following tokens are recognized; they may be separated by spaces,
                   1328: tabs, or new-lines:
                   1329: .Bl -tag -width password
                   1330: .It Ic machine Ar name
                   1331: Identify a remote machine
                   1332: .Ar name .
                   1333: The auto-login process searches the
                   1334: .Pa .netrc
                   1335: file for a
                   1336: .Ic machine
                   1337: token that matches the remote machine specified on the
1.6       millert  1338: .Nm
1.1       deraadt  1339: command line or as an
                   1340: .Ic open
                   1341: command argument.
                   1342: Once a match is made, the subsequent
                   1343: .Pa .netrc
                   1344: tokens are processed,
                   1345: stopping when the end of file is reached or another
                   1346: .Ic machine
                   1347: or a
                   1348: .Ic default
                   1349: token is encountered.
                   1350: .It Ic default
                   1351: This is the same as
                   1352: .Ic machine
                   1353: .Ar name
                   1354: except that
                   1355: .Ic default
                   1356: matches any name.
                   1357: There can be only one
                   1358: .Ic default
                   1359: token, and it must be after all
                   1360: .Ic machine
                   1361: tokens.
                   1362: This is normally used as:
                   1363: .Pp
                   1364: .Dl default login anonymous password user@site
                   1365: .Pp
                   1366: thereby giving the user
                   1367: .Ar automatic
                   1368: anonymous ftp login to
                   1369: machines not specified in
                   1370: .Pa .netrc .
                   1371: This can be overridden
                   1372: by using the
                   1373: .Fl n
                   1374: flag to disable auto-login.
                   1375: .It Ic login Ar name
                   1376: Identify a user on the remote machine.
                   1377: If this token is present, the auto-login process will initiate
                   1378: a login using the specified
                   1379: .Ar name .
                   1380: .It Ic password Ar string
                   1381: Supply a password.
                   1382: If this token is present, the auto-login process will supply the
                   1383: specified string if the remote server requires a password as part
                   1384: of the login process.
                   1385: Note that if this token is present in the
                   1386: .Pa .netrc
                   1387: file for any user other
                   1388: than
1.29      aaron    1389: .Ar anonymous ,
1.6       millert  1390: .Nm
1.1       deraadt  1391: will abort the auto-login process if the
                   1392: .Pa .netrc
                   1393: is readable by
                   1394: anyone besides the user.
                   1395: .It Ic account Ar string
                   1396: Supply an additional account password.
                   1397: If this token is present, the auto-login process will supply the
                   1398: specified string if the remote server requires an additional
                   1399: account password, or the auto-login process will initiate an
                   1400: .Dv ACCT
                   1401: command if it does not.
                   1402: .It Ic macdef Ar name
                   1403: Define a macro.
                   1404: This token functions like the
1.6       millert  1405: .Nm
1.1       deraadt  1406: .Ic macdef
                   1407: command functions.
                   1408: A macro is defined with the specified name; its contents begin with the
                   1409: next
                   1410: .Pa .netrc
                   1411: line and continue until a null line (consecutive new-line
                   1412: characters) is encountered.
                   1413: If a macro named
                   1414: .Ic init
                   1415: is defined, it is automatically executed as the last step in the
                   1416: auto-login process.
                   1417: .El
1.6       millert  1418: .Sh COMMAND LINE EDITING
                   1419: .Nm
1.25      aaron    1420: supports interactive command line editing, via the
1.6       millert  1421: .Xr editline 3
                   1422: library.
                   1423: It is enabled with the
                   1424: .Ic edit
1.9       millert  1425: command, and is enabled by default if input is from a tty.
1.6       millert  1426: Previous lines can be recalled and edited with the arrow keys,
                   1427: and other GNU Emacs-style editing keys may be used as well.
                   1428: .Pp
                   1429: The
                   1430: .Xr editline 3
                   1431: library is configured with a
                   1432: .Pa .editrc
1.42    ! jmc      1433: file \- refer to
1.6       millert  1434: .Xr editrc 5
                   1435: for more information.
                   1436: .Pp
                   1437: An extra key binding is available to
                   1438: .Nm
                   1439: to provide context sensitive command and filename completion
                   1440: (including remote file completion).
                   1441: To use this, bind a key to the
                   1442: .Xr editline 3
                   1443: command
                   1444: .Ic ftp-complete .
                   1445: By default, this is bound to the TAB key.
1.1       deraadt  1446: .Sh ENVIRONMENT
1.6       millert  1447: .Nm
1.22      aaron    1448: utilizes the following environment variables:
1.15      millert  1449: .Bl -tag -width "FTPSERVERPORT"
1.16      millert  1450: .It Ev FTPMODE
1.29      aaron    1451: Overrides the default operation mode.
                   1452: Recognized values are:
1.16      millert  1453: .Bl -tag -width "passive  "
                   1454: .It passive
                   1455: passive mode ftp only
                   1456: .It active
                   1457: active mode ftp only
                   1458: .It auto
                   1459: automatic determination of passive or active (this is the default)
                   1460: .It gate
                   1461: gate-ftp mode
                   1462: .El
1.14      millert  1463: .It Ev FTPSERVER
                   1464: Host to use as gate-ftp server when
                   1465: .Ic gate
                   1466: is enabled.
                   1467: .It Ev FTPSERVERPORT
                   1468: Port to use when connecting to gate-ftp server when
                   1469: .Ic gate
                   1470: is enabled.
                   1471: Default is port returned by a
                   1472: .Fn getservbyname
1.25      aaron    1473: lookup of
1.14      millert  1474: .Dq ftpgate/tcp .
1.1       deraadt  1475: .It Ev HOME
                   1476: For default location of a
                   1477: .Pa .netrc
                   1478: file, if one exists.
1.9       millert  1479: .It Ev PAGER
                   1480: Used by
                   1481: .Ic page
                   1482: to display files.
1.1       deraadt  1483: .It Ev SHELL
                   1484: For default shell.
1.15      millert  1485: .It Ev TMPDIR
                   1486: Directory to put temporary files.
1.10      millert  1487: .It Ev ftp_proxy
                   1488: URL of FTP proxy to use when making FTP URL requests
                   1489: (if not defined, use the standard ftp protocol).
1.6       millert  1490: .It Ev http_proxy
1.10      millert  1491: URL of HTTP proxy to use when making HTTP URL requests.
1.1       deraadt  1492: .El
1.36      jakob    1493: .Sh PORT ALLOCATION
1.38      jmc      1494: For active mode data connections,
1.36      jakob    1495: .Nm
1.42    ! jmc      1496: will listen to a random high TCP port.
1.36      jakob    1497: The interval of ports used are configurable using
1.38      jmc      1498: .Xr sysctl 8
1.36      jakob    1499: variables
1.42    ! jmc      1500: .Va net.inet.ip.porthifirst
1.36      jakob    1501: and
1.42    ! jmc      1502: .Va net.inet.ip.porthilast .
1.1       deraadt  1503: .Sh SEE ALSO
1.42    ! jmc      1504: .Xr basename 1 ,
        !          1505: .Xr csh 1 ,
        !          1506: .Xr more 1 ,
        !          1507: .Xr stty 1 ,
        !          1508: .Xr tar 1 ,
1.28      aaron    1509: .Xr tftp 1 ,
1.42    ! jmc      1510: .Xr editline 3 ,
1.14      millert  1511: .Xr getservbyname 3 ,
1.42    ! jmc      1512: .Xr popen 3 ,
1.6       millert  1513: .Xr editrc 5 ,
1.14      millert  1514: .Xr services 5 ,
1.34      beck     1515: .Xr ftp-proxy 8 ,
1.1       deraadt  1516: .Xr ftpd 8
                   1517: .Sh HISTORY
                   1518: The
1.6       millert  1519: .Nm
1.1       deraadt  1520: command appeared in
                   1521: .Bx 4.2 .
                   1522: .Sh BUGS
                   1523: Correct execution of many commands depends upon proper behavior
                   1524: by the remote server.
                   1525: .Pp
                   1526: An error in the treatment of carriage returns
                   1527: in the
                   1528: .Bx 4.2
1.22      aaron    1529: ASCII-mode transfer code
1.1       deraadt  1530: has been corrected.
                   1531: This correction may result in incorrect transfers of binary files
                   1532: to and from
                   1533: .Bx 4.2
1.22      aaron    1534: servers using the ASCII type.
1.1       deraadt  1535: Avoid this problem by using the binary image type.