[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 1.59

1.59    ! pyr         1: .\"    $OpenBSD: ftp.1,v 1.58 2007/05/31 19:20:10 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
                     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: .\"
1.59    ! pyr        33: .Dd $Mdocdate: May 31 2007 $
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
1.53      fgsch      41: .Op Fl 46AadEegimnptVv
1.59    ! pyr        42: .Op Fl c Ar cookiefile
1.6       millert    43: .Op Fl P Ar port
1.7       millert    44: .Op Fl r Ar seconds
1.6       millert    45: .Op Ar host Op Ar port
1.3       deraadt    46: .Nm ftp
1.42      jmc        47: .Op Fl o Ar output
                     48: .Sm off
                     49: .No ftp:// Oo Ar user : password No @
                     50: .Oc Ar host Oo : Ar port
                     51: .Oc No / Ar file Oo /
                     52: .Oc
                     53: .Sm on
1.3       deraadt    54: .Nm ftp
1.42      jmc        55: .Op Fl o Ar output
                     56: .Sm off
                     57: .No http:// Ar host Oo : Ar port
                     58: .Oc No / Ar file
                     59: .Sm on
1.3       deraadt    60: .Nm ftp
1.42      jmc        61: .Op Fl o Ar output
                     62: .Sm off
1.54      deraadt    63: .No https:// Ar host Oo : Ar port
                     64: .Oc No / Ar file
                     65: .Sm on
                     66: .Nm ftp
                     67: .Op Fl o Ar output
                     68: .Sm off
1.42      jmc        69: .Ar host : No / Ar file Oo /
                     70: .Oc
                     71: .Sm on
1.1       deraadt    72: .Sh DESCRIPTION
1.27      aaron      73: .Nm
1.1       deraadt    74: is the user interface to the
                     75: .Tn ARPANET
1.48      jmc        76: standard File Transfer Protocol (FTP).
1.1       deraadt    77: The program allows a user to transfer files to and from a
                     78: remote network site.
1.3       deraadt    79: .Pp
1.55      jmc        80: The latter four usage formats will fetch a file using either the
                     81: FTP, HTTP, or HTTPS protocols into the current directory.
1.29      aaron      82: This is ideal for scripts.
                     83: Refer to
1.9       millert    84: .Sx AUTO-FETCHING FILES
                     85: below for more information.
1.7       millert    86: .Pp
1.28      aaron      87: The options are as follows:
1.32      aaron      88: .Bl -tag -width Ds
1.42      jmc        89: .It Fl 4
                     90: Forces
                     91: .Nm
                     92: to use IPv4 addresses only.
                     93: .It Fl 6
                     94: Forces
                     95: .Nm
                     96: to use IPv6 addresses only.
1.16      millert    97: .It Fl A
1.48      jmc        98: Force active mode FTP.
1.29      aaron      99: By default,
1.16      millert   100: .Nm
1.48      jmc       101: will try to use passive mode FTP and fall back to active mode
1.29      aaron     102: if passive is not supported by the server.
                    103: This option causes
1.16      millert   104: .Nm
1.29      aaron     105: to always use an active connection.
                    106: It is only useful for connecting
1.16      millert   107: to very old servers that do not implement passive mode properly.
1.6       millert   108: .It Fl a
                    109: Causes
                    110: .Nm
1.22      aaron     111: to bypass the normal login procedure and use an anonymous login instead.
1.59    ! pyr       112: .It Fl c
        !           113: Load a Netscape type cookiejar file.
        !           114: This option is only useful for HTTP and HTTPS transfers.
        !           115: With this option relevant cookies from the jar are sent with each HTTP(S)
        !           116: request.
        !           117: Setting the http_cookies environment variable has the same effect.
        !           118: If both the http_cookies environment variable is set and the
        !           119: .Fl c
        !           120: argument is given, the latter will take precedence.
1.6       millert   121: .It Fl d
                    122: Enables debugging.
1.53      fgsch     123: .It Fl E
                    124: Disables EPSV/EPRT command on IPv4 connections.
1.8       kstailey  125: .It Fl e
1.29      aaron     126: Disables command line editing.
                    127: Useful for Emacs ange-ftp.
1.6       millert   128: .It Fl g
                    129: Disables file name globbing.
                    130: .It Fl i
                    131: Turns off interactive prompting during
                    132: multiple file transfers.
1.20      millert   133: .It Fl m
                    134: Causes
                    135: .Nm
1.21      millert   136: to always display the progress meter in cases where it would not do
                    137: so by default.
1.1       deraadt   138: .It Fl n
                    139: Restrains
1.6       millert   140: .Nm
                    141: from attempting
                    142: .Dq auto-login
                    143: upon initial connection.
1.1       deraadt   144: If auto-login is enabled,
1.6       millert   145: .Nm
1.1       deraadt   146: will check the
                    147: .Pa .netrc
1.42      jmc       148: file (see below) in the user's home directory for an entry describing
1.1       deraadt   149: an account on the remote machine.
                    150: If no entry exists,
1.6       millert   151: .Nm
1.1       deraadt   152: will prompt for the remote machine login name (default is the user
                    153: identity on the local machine), and, if necessary, prompt for a password
1.47      jmc       154: and an account with which to log in.
1.17      millert   155: .It Fl o Ar output
1.42      jmc       156: When fetching a single file or URL, save the contents in
1.17      millert   157: .Ar output .
1.22      aaron     158: To make the contents go to stdout,
1.17      millert   159: use
1.48      jmc       160: .Sq -
1.17      millert   161: for
                    162: .Ar output .
1.42      jmc       163: .It Fl P Ar port
                    164: Sets the port number to
                    165: .Ar port .
1.6       millert   166: .It Fl p
                    167: Enable passive mode operation for use behind connection filtering firewalls.
1.16      millert   168: This option has been deprecated as
                    169: .Nm
                    170: now tries to use passive mode by default, falling back to active mode
                    171: if the server does not support passive connections.
1.42      jmc       172: .It Fl r Ar seconds
                    173: Retry to connect if failed, pausing for number of
                    174: .Ar seconds .
1.6       millert   175: .It Fl t
                    176: Enables packet tracing.
1.42      jmc       177: .It Fl V
                    178: Disable verbose mode, overriding the default of enabled when input
                    179: is from a terminal.
1.6       millert   180: .It Fl v
                    181: Enable verbose mode.
                    182: This is the default if input is from a terminal.
                    183: Forces
                    184: .Nm
                    185: to show all responses from the remote server, as well
                    186: as report on data transfer statistics.
1.1       deraadt   187: .El
                    188: .Pp
1.43      jmc       189: The host with which
1.6       millert   190: .Nm
1.1       deraadt   191: is to communicate may be specified on the command line.
                    192: If this is done,
1.6       millert   193: .Nm
1.1       deraadt   194: will immediately attempt to establish a connection to an
1.48      jmc       195: FTP server on that host; otherwise,
1.6       millert   196: .Nm
1.1       deraadt   197: will enter its command interpreter and await instructions
                    198: from the user.
                    199: When
1.6       millert   200: .Nm
1.42      jmc       201: is awaiting commands, the prompt
1.51      jmc       202: .Dq ftp\*(Gt
1.1       deraadt   203: is provided to the user.
                    204: The following commands are recognized
                    205: by
1.48      jmc       206: .Nm :
1.1       deraadt   207: .Bl -tag -width Fl
                    208: .It Ic \&! Op Ar command Op Ar args
                    209: Invoke an interactive shell on the local machine.
                    210: If there are arguments, the first is taken to be a command to execute
                    211: directly, with the rest of the arguments as its arguments.
                    212: .It Ic \&$ Ar macro-name Op Ar args
                    213: Execute the macro
                    214: .Ar macro-name
                    215: that was defined with the
                    216: .Ic macdef
                    217: command.
                    218: Arguments are passed to the macro unglobbed.
1.42      jmc       219: .It Ic \&? Op Ar command
                    220: A synonym for
                    221: .Ic help .
1.1       deraadt   222: .It Ic account Op Ar passwd
                    223: Supply a supplemental password required by a remote system for access
                    224: to resources once a login has been successfully completed.
                    225: If no argument is included, the user will be prompted for an account
                    226: password in a non-echoing input mode.
                    227: .It Ic append Ar local-file Op Ar remote-file
                    228: Append a local file to a file on the remote machine.
                    229: If
                    230: .Ar remote-file
                    231: is left unspecified, the local file name is used in naming the
                    232: remote file after being altered by any
                    233: .Ic ntrans
                    234: or
                    235: .Ic nmap
                    236: setting.
                    237: File transfer uses the current settings for
1.29      aaron     238: .Ic type ,
1.1       deraadt   239: .Ic format ,
1.29      aaron     240: .Ic mode ,
1.1       deraadt   241: and
                    242: .Ic structure .
                    243: .It Ic ascii
                    244: Set the file transfer
                    245: .Ic type
                    246: to network
                    247: .Tn ASCII .
                    248: This is the default type.
                    249: .It Ic bell
                    250: Arrange that a bell be sounded after each file transfer
                    251: command is completed.
                    252: .It Ic binary
                    253: Set the file transfer
                    254: .Ic type
                    255: to support binary image transfer.
                    256: .It Ic bye
1.48      jmc       257: Terminate the FTP session with the remote server and exit
                    258: .Nm .
1.22      aaron     259: An end-of-file will also terminate the session and exit.
1.1       deraadt   260: .It Ic case
                    261: Toggle remote computer file name case mapping during
                    262: .Ic mget
                    263: commands.
                    264: When
                    265: .Ic case
                    266: is on (default is off), remote computer file names with all letters in
                    267: upper case are written in the local directory with the letters mapped
                    268: to lower case.
1.42      jmc       269: .It Ic cd Ar remote-directory
1.1       deraadt   270: Change the working directory on the remote machine
                    271: to
1.6       millert   272: .Ar remote-directory .
1.1       deraadt   273: .It Ic cdup
                    274: Change the remote machine working directory to the parent of the
                    275: current remote machine working directory.
                    276: .It Ic chmod Ar mode file-name
                    277: Change the permission modes of the file
                    278: .Ar file-name
                    279: on the remote
1.6       millert   280: system to
                    281: .Ar mode .
1.1       deraadt   282: .It Ic close
1.48      jmc       283: Terminate the FTP session with the remote server and
1.1       deraadt   284: return to the command interpreter.
                    285: Any defined macros are erased.
1.42      jmc       286: .It Ic cr
1.1       deraadt   287: Toggle carriage return stripping during
1.22      aaron     288: ASCII type file retrieval.
1.1       deraadt   289: Records are denoted by a carriage return/linefeed sequence
1.22      aaron     290: during ASCII type file transfer.
1.1       deraadt   291: When
1.42      jmc       292: .Ic cr
1.1       deraadt   293: is on (the default), carriage returns are stripped from this
                    294: sequence to conform with the
                    295: .Ux
1.42      jmc       296: single linefeed record delimiter.
                    297: Records on non-UNIX
1.1       deraadt   298: remote systems may contain single linefeeds;
1.22      aaron     299: when an ASCII type transfer is made, these linefeeds may be
1.1       deraadt   300: distinguished from a record delimiter only when
1.42      jmc       301: .Ic cr
1.1       deraadt   302: is off.
                    303: .It Ic debug Op Ar debug-value
                    304: Toggle debugging mode.
                    305: If an optional
                    306: .Ar debug-value
1.42      jmc       307: is specified, it is used to set the debugging level.
1.1       deraadt   308: When debugging is on,
1.6       millert   309: .Nm
1.7       millert   310: prints each command sent to the remote machine,
                    311: preceded by the string
1.51      jmc       312: .Ql --\*(Gt .
1.42      jmc       313: .It Ic delete Ar remote-file
                    314: Delete the file
                    315: .Ar remote-file
                    316: on the remote machine.
1.6       millert   317: .It Ic dir Op Ar remote-directory Op Ar local-file
1.30      millert   318: A synonym for
                    319: .Ic ls .
1.1       deraadt   320: .It Ic disconnect
                    321: A synonym for
1.6       millert   322: .Ic close .
                    323: .It Ic edit
                    324: Toggle command line editing, and context sensitive command and file
                    325: completion.
                    326: This is automatically enabled if input is from a terminal, and
                    327: disabled otherwise.
1.31      itojun    328: .It Ic epsv4
                    329: Toggle use of EPSV/EPRT command on IPv4 connection.
1.6       millert   330: .It Ic exit
                    331: A synonym for
                    332: .Ic bye .
1.1       deraadt   333: .It Ic form Ar format
                    334: Set the file transfer
                    335: .Ic form
                    336: to
1.6       millert   337: .Ar format .
1.42      jmc       338: The default format is
                    339: .Dq file .
                    340: .It Ic ftp Ar host Op Ar port
                    341: A synonym for
                    342: .Ic open .
                    343: .It Ic gate Op Ar host Op Ar port
                    344: Toggle gate-ftp mode.
                    345: This will not be permitted if the gate-ftp server hasn't been set
                    346: (either explicitly by the user, or from the
                    347: .Ev FTPSERVER
                    348: environment variable).
                    349: If
                    350: .Ar host
                    351: is given,
                    352: then gate-ftp mode will be enabled, and the gate-ftp server will be set to
                    353: .Ar host .
                    354: If
                    355: .Ar port
                    356: is also given, that will be used as the port to connect to on the
                    357: gate-ftp server.
1.1       deraadt   358: .It Ic get Ar remote-file Op Ar local-file
                    359: Retrieve the
                    360: .Ar remote-file
                    361: and store it on the local machine.
                    362: If the local
                    363: file name is not specified, it is given the same
                    364: name it has on the remote machine, subject to
                    365: alteration by the current
1.29      aaron     366: .Ic case ,
1.1       deraadt   367: .Ic ntrans ,
                    368: and
                    369: .Ic nmap
                    370: settings.
                    371: The current settings for
1.29      aaron     372: .Ic type ,
1.1       deraadt   373: .Ic form ,
1.29      aaron     374: .Ic mode ,
1.1       deraadt   375: and
                    376: .Ic structure
                    377: are used while transferring the file.
                    378: .It Ic glob
                    379: Toggle filename expansion for
1.29      aaron     380: .Ic mdelete ,
1.1       deraadt   381: .Ic mget
                    382: and
1.6       millert   383: .Ic mput .
1.1       deraadt   384: If globbing is turned off with
1.29      aaron     385: .Ic glob ,
1.1       deraadt   386: the file name arguments
                    387: are taken literally and not expanded.
                    388: Globbing for
                    389: .Ic mput
                    390: is done as in
                    391: .Xr csh 1 .
                    392: For
                    393: .Ic mdelete
                    394: and
1.29      aaron     395: .Ic mget ,
1.1       deraadt   396: each remote file name is expanded
                    397: separately on the remote machine and the lists are not merged.
                    398: Expansion of a directory name is likely to be
                    399: different from expansion of the name of an ordinary file:
1.48      jmc       400: the exact result depends on the foreign operating system and FTP server,
1.1       deraadt   401: and can be previewed by doing
1.42      jmc       402: .Dq mls remote-files - .
1.1       deraadt   403: Note:
                    404: .Ic mget
                    405: and
                    406: .Ic mput
                    407: are not meant to transfer
                    408: entire directory subtrees of files.
                    409: That can be done by
                    410: transferring a
                    411: .Xr tar 1
                    412: archive of the subtree (in binary mode).
1.5       kstailey  413: .It Ic hash Op Ar size
1.29      aaron     414: Toggle hash mark
                    415: .Pq Ql #
                    416: printing for each data block transferred.
1.5       kstailey  417: The size of a data block defaults to 1024 bytes.
1.6       millert   418: This can be changed by specifying
                    419: .Ar size
                    420: in bytes.
1.1       deraadt   421: .It Ic help Op Ar command
                    422: Print an informative message about the meaning of
1.6       millert   423: .Ar command .
1.1       deraadt   424: If no argument is given,
1.6       millert   425: .Nm
1.1       deraadt   426: prints a list of the known commands.
                    427: .It Ic idle Op Ar seconds
                    428: Set the inactivity timer on the remote server to
                    429: .Ar seconds
                    430: seconds.
                    431: If
                    432: .Ar seconds
                    433: is omitted, the current inactivity timer is printed.
                    434: .It Ic lcd Op Ar directory
                    435: Change the working directory on the local machine.
                    436: If
                    437: no
                    438: .Ar directory
                    439: is specified, the user's home directory is used.
1.10      millert   440: .It Ic less Ar file
                    441: A synonym for
                    442: .Ic page .
1.6       millert   443: .It Ic lpwd
                    444: Print the working directory on the local machine.
1.42      jmc       445: .It Ic ls Op Ar remote-directory Op Ar local-file
                    446: Print a listing of the contents of a directory on the remote machine.
1.30      millert   447: The listing includes any system-dependent information that the server
                    448: chooses to include; for example, most
                    449: .Ux
1.42      jmc       450: systems will produce output from the command
                    451: .Ql ls -l .
1.1       deraadt   452: If
                    453: .Ar remote-directory
                    454: is left unspecified, the current working directory is used.
                    455: If interactive prompting is on,
1.6       millert   456: .Nm
1.1       deraadt   457: will prompt the user to verify that the last argument is indeed the
                    458: target local file for receiving
1.6       millert   459: .Ic ls
1.1       deraadt   460: output.
                    461: If no local file is specified, or if
                    462: .Ar local-file
                    463: is
1.49      jmc       464: .Sq - ,
1.1       deraadt   465: the output is sent to the terminal.
                    466: .It Ic macdef Ar macro-name
                    467: Define a macro.
                    468: Subsequent lines are stored as the macro
1.29      aaron     469: .Ar macro-name ;
1.1       deraadt   470: a null line (consecutive newline characters
                    471: in a file or
                    472: carriage returns from the terminal) terminates macro input mode.
                    473: There is a limit of 16 macros and 4096 total characters in all
                    474: defined macros.
1.50      jmc       475: Macro names can be a maximum of 8 characters.
                    476: Macros are only applicable to the current session they are
                    477: defined in (or if defined outside a session, to the session
                    478: invoked with the next
                    479: .Ic open
                    480: command), and remain defined until a
1.1       deraadt   481: .Ic close
                    482: command is executed.
1.51      jmc       483: To invoke a macro,
1.52      jmc       484: use the
                    485: .Ic $
                    486: command (see above).
1.51      jmc       487: .Pp
1.29      aaron     488: The macro processor interprets
                    489: .Ql $
                    490: and
                    491: .Ql \e
                    492: as special characters.
                    493: A
                    494: .Ql $
                    495: followed by a number (or numbers) is replaced by the
1.1       deraadt   496: corresponding argument on the macro invocation command line.
1.29      aaron     497: A
                    498: .Ql $
                    499: followed by an
                    500: .Sq i
                    501: tells the macro processor that the
1.1       deraadt   502: executing macro is to be looped.
1.29      aaron     503: On the first pass
                    504: .Ql $i
                    505: is
1.1       deraadt   506: replaced by the first argument on the macro invocation command line,
                    507: on the second pass it is replaced by the second argument, and so on.
1.29      aaron     508: A
                    509: .Ql \e
                    510: followed by any character is replaced by that character.
                    511: Use the
                    512: .Ql \e
                    513: to prevent special treatment of the
                    514: .Ql $ .
1.1       deraadt   515: .It Ic mdelete Op Ar remote-files
                    516: Delete the
                    517: .Ar remote-files
                    518: on the remote machine.
                    519: .It Ic mdir Ar remote-files local-file
1.30      millert   520: A synonym for
                    521: .Ic mls .
1.1       deraadt   522: .It Ic mget Ar remote-files
                    523: Expand the
                    524: .Ar remote-files
                    525: on the remote machine
                    526: and do a
                    527: .Ic get
                    528: for each file name thus produced.
                    529: See
                    530: .Ic glob
                    531: for details on the filename expansion.
                    532: Resulting file names will then be processed according to
1.29      aaron     533: .Ic case ,
1.1       deraadt   534: .Ic ntrans ,
                    535: and
                    536: .Ic nmap
                    537: settings.
                    538: Files are transferred into the local working directory,
                    539: which can be changed with
                    540: .Ql lcd directory ;
                    541: new local directories can be created with
                    542: .Ql "\&! mkdir directory" .
                    543: .It Ic mkdir Ar directory-name
                    544: Make a directory on the remote machine.
                    545: .It Ic mls Ar remote-files local-file
                    546: Like
1.29      aaron     547: .Ic ls ,
1.1       deraadt   548: except multiple remote files may be specified,
                    549: and the
                    550: .Ar local-file
                    551: must be specified.
                    552: If interactive prompting is on,
1.6       millert   553: .Nm
1.1       deraadt   554: will prompt the user to verify that the last argument is indeed the
                    555: target local file for receiving
                    556: .Ic mls
                    557: output.
                    558: .It Ic mode Op Ar mode-name
                    559: Set the file transfer
                    560: .Ic mode
                    561: to
1.6       millert   562: .Ar mode-name .
1.42      jmc       563: The default mode is
                    564: .Dq stream
                    565: mode.
1.1       deraadt   566: .It Ic modtime Ar file-name
                    567: Show the last modification time of the file on the remote machine.
1.10      millert   568: .It Ic more Ar file
                    569: A synonym for
                    570: .Ic page .
1.1       deraadt   571: .It Ic mput Ar local-files
                    572: Expand wild cards in the list of local files given as arguments
                    573: and do a
                    574: .Ic put
                    575: for each file in the resulting list.
                    576: See
                    577: .Ic glob
                    578: for details of filename expansion.
                    579: Resulting file names will then be processed according to
                    580: .Ic ntrans
                    581: and
                    582: .Ic nmap
                    583: settings.
1.6       millert   584: .It Ic msend Ar local-files
                    585: A synonym for
                    586: .Ic mput .
1.1       deraadt   587: .It Ic newer Ar file-name
                    588: Get the file only if the modification time of the remote file is more
1.22      aaron     589: recent than the file on the current system.
1.1       deraadt   590: If the file does not
                    591: exist on the current system, the remote file is considered
1.6       millert   592: .Ic newer .
1.1       deraadt   593: Otherwise, this command is identical to
1.6       millert   594: .Ar get .
                    595: .It Ic nlist Op Ar remote-directory Op Ar local-file
1.30      millert   596: Print a list of the files in a
                    597: directory on the remote machine.
                    598: If
                    599: .Ar remote-directory
                    600: is left unspecified, the current working directory is used.
                    601: If interactive prompting is on,
                    602: .Nm
                    603: will prompt the user to verify that the last argument is indeed the
                    604: target local file for receiving
                    605: .Ic nlist
                    606: output.
                    607: If no local file is specified, or if
                    608: .Ar local-file
                    609: is
1.49      jmc       610: .Sq - ,
1.38      jmc       611: the output is sent to the terminal.
                    612: Note that on some servers, the
1.30      millert   613: .Ic nlist
                    614: command will only return information on normal files (not directories
                    615: or special files).
1.1       deraadt   616: .It Ic nmap Op Ar inpattern outpattern
                    617: Set or unset the filename mapping mechanism.
                    618: If no arguments are specified, the filename mapping mechanism is unset.
                    619: If arguments are specified, remote filenames are mapped during
                    620: .Ic mput
                    621: commands and
                    622: .Ic put
                    623: commands issued without a specified remote target filename.
                    624: If arguments are specified, local filenames are mapped during
                    625: .Ic mget
                    626: commands and
                    627: .Ic get
                    628: commands issued without a specified local target filename.
1.42      jmc       629: This command is useful when connecting to a non-UNIX remote computer
1.1       deraadt   630: with different file naming conventions or practices.
1.42      jmc       631: .Pp
1.1       deraadt   632: The mapping follows the pattern set by
                    633: .Ar inpattern
                    634: and
1.6       millert   635: .Ar outpattern .
1.22      aaron     636: .Ar inpattern
1.1       deraadt   637: is a template for incoming filenames (which may have already been
                    638: processed according to the
                    639: .Ic ntrans
                    640: and
                    641: .Ic case
                    642: settings).
                    643: Variable templating is accomplished by including the
1.29      aaron     644: sequences
                    645: .Ql $1 ,
                    646: .Ql $2 ,
1.44      jmc       647: \&...,
1.29      aaron     648: .Ql $9
                    649: in
1.6       millert   650: .Ar inpattern .
1.29      aaron     651: Use
                    652: .Ql \e
                    653: to prevent this special treatment of the
                    654: .Ql $
                    655: character.
1.1       deraadt   656: All other characters are treated literally, and are used to determine the
                    657: .Ic nmap
1.22      aaron     658: .Ar inpattern
1.1       deraadt   659: variable values.
1.45      jmc       660: .Pp
1.1       deraadt   661: For example, given
                    662: .Ar inpattern
                    663: $1.$2 and the remote file name "mydata.data", $1 would have the value
                    664: "mydata", and $2 would have the value "data".
                    665: The
                    666: .Ar outpattern
                    667: determines the resulting mapped filename.
1.29      aaron     668: The sequences
                    669: .Ql $1 ,
                    670: .Ql $2 ,
1.42      jmc       671: \&...,
1.29      aaron     672: .Ql $9
                    673: are replaced by any value resulting from the
1.1       deraadt   674: .Ar inpattern
                    675: template.
1.29      aaron     676: The sequence
                    677: .Ql $0
                    678: is replaced by the original filename.
1.1       deraadt   679: Additionally, the sequence
1.40      jmc       680: .Sq Op Ar seq1 , Ar seq2
1.1       deraadt   681: is replaced by
1.45      jmc       682: .Ar seq1
1.1       deraadt   683: if
                    684: .Ar seq1
                    685: is not a null string; otherwise it is replaced by
                    686: .Ar seq2 .
1.42      jmc       687: For example:
1.1       deraadt   688: .Pp
1.42      jmc       689: .Dl nmap $1.$2.$3 [$1,$2].[$2,file]
1.1       deraadt   690: .Pp
1.42      jmc       691: This command would yield the output filename
                    692: .Pa myfile.data
1.29      aaron     693: for input filenames
                    694: .Pa myfile.data
                    695: and
1.42      jmc       696: .Pa myfile.data.old ;
1.29      aaron     697: .Pa myfile.file
                    698: for the input filename
1.42      jmc       699: .Pa myfile ;
1.29      aaron     700: and
                    701: .Pa myfile.myfile
                    702: for the input filename
1.42      jmc       703: .Pa .myfile .
1.1       deraadt   704: Spaces may be included in
1.46      jmc       705: .Ar outpattern
                    706: by quoting them,
                    707: as in the following example:
1.42      jmc       708: .Bd -literal -offset indent
1.46      jmc       709: nmap $1.$2 "$1 $2"
1.29      aaron     710: .Ed
                    711: .Pp
                    712: Use the
                    713: .Ql \e
                    714: character to prevent special treatment
                    715: of the
                    716: .Ql $ ,
                    717: .Ql [ ,
                    718: .Ql \&] ,
                    719: and
                    720: .Ql \&,
                    721: characters.
1.1       deraadt   722: .It Ic ntrans Op Ar inchars Op Ar outchars
                    723: Set or unset the filename character translation mechanism.
                    724: If no arguments are specified, the filename character
                    725: translation mechanism is unset.
                    726: If arguments are specified, characters in
                    727: remote filenames are translated during
                    728: .Ic mput
                    729: commands and
                    730: .Ic put
                    731: commands issued without a specified remote target filename.
                    732: If arguments are specified, characters in
                    733: local filenames are translated during
                    734: .Ic mget
                    735: commands and
                    736: .Ic get
                    737: commands issued without a specified local target filename.
1.42      jmc       738: This command is useful when connecting to a non-UNIX remote computer
1.1       deraadt   739: with different file naming conventions or practices.
                    740: Characters in a filename matching a character in
                    741: .Ar inchars
                    742: are replaced with the corresponding character in
1.6       millert   743: .Ar outchars .
1.1       deraadt   744: If the character's position in
                    745: .Ar inchars
                    746: is longer than the length of
1.29      aaron     747: .Ar outchars ,
1.1       deraadt   748: the character is deleted from the file name.
                    749: .It Ic open Ar host Op Ar port
                    750: Establish a connection to the specified
                    751: .Ar host
1.48      jmc       752: FTP server.
1.42      jmc       753: An optional port number may be supplied,
1.22      aaron     754: in which case
1.6       millert   755: .Nm
1.48      jmc       756: will attempt to contact an FTP server at that port.
1.1       deraadt   757: If the
                    758: .Ic auto-login
                    759: option is on (default),
1.6       millert   760: .Nm
1.1       deraadt   761: will also attempt to automatically log the user in to
1.48      jmc       762: the FTP server (see below).
1.9       millert   763: .It Ic page Ar file
                    764: Retrieve
                    765: .Ic file
                    766: and display with the program defined in
1.25      aaron     767: .Ev PAGER
1.26      pjanzen   768: (defaulting to
                    769: .Xr more 1
                    770: if
                    771: .Ev PAGER
                    772: is null or not defined).
1.1       deraadt   773: .It Ic passive
1.29      aaron     774: Toggle passive mode.
1.48      jmc       775: If passive mode is turned on (default is on),
                    776: .Nm
                    777: will send a
1.57      jmc       778: .Dv EPSV
1.1       deraadt   779: command for all data connections instead of the usual
                    780: .Dv PORT
1.29      aaron     781: command.
                    782: The
1.1       deraadt   783: .Dv PASV
                    784: command requests that the remote server open a port for the data connection
1.29      aaron     785: and return the address of that port.
                    786: The remote server listens on that port and the client connects to it.
                    787: When using the more traditional
1.1       deraadt   788: .Dv PORT
                    789: command, the client listens on a port and sends that address to the remote
1.29      aaron     790: server, who connects back to it.
                    791: Passive mode is useful when using
1.6       millert   792: .Nm
1.1       deraadt   793: through a gateway router or host that controls the directionality of
                    794: traffic.
1.48      jmc       795: (Note that though FTP servers are required to support the
1.1       deraadt   796: .Dv PASV
                    797: command by RFC 1123, some do not.)
1.6       millert   798: .It Ic preserve
                    799: Toggle preservation of modification times on retrieved files.
                    800: .It Ic progress
                    801: Toggle display of transfer progress bar.
1.9       millert   802: The progress bar will be disabled for a transfer that has
                    803: .Ar local-file
                    804: as
1.48      jmc       805: .Sq -
1.9       millert   806: or a command that starts with
                    807: .Sq \&| .
                    808: Refer to
                    809: .Sx FILE NAMING CONVENTIONS
                    810: for more information.
1.1       deraadt   811: .It Ic prompt
                    812: Toggle interactive prompting.
                    813: Interactive prompting
                    814: occurs during multiple file transfers to allow the
                    815: user to selectively retrieve or store files.
                    816: If prompting is turned off (default is on), any
                    817: .Ic mget
                    818: or
                    819: .Ic mput
                    820: will transfer all files, and any
                    821: .Ic mdelete
                    822: will delete all files.
1.6       millert   823: .Pp
                    824: When prompting is on, the following commands are available at a prompt:
                    825: .Bl -tag -width 2n -offset indent
                    826: .It Ic a
                    827: Answer
1.22      aaron     828: .Dq yes
                    829: to the current file and automatically answer
                    830: .Dq yes
1.6       millert   831: to any remaining files for the current command.
1.42      jmc       832: .It Ic n
                    833: Do not transfer the file.
1.6       millert   834: .It Ic p
                    835: Answer
1.22      aaron     836: .Dq yes
                    837: to the current file and turn off prompt mode
                    838: (as if
1.6       millert   839: .Dq prompt off
                    840: had been given).
1.42      jmc       841: .It Ic y
                    842: Transfer the file.
1.6       millert   843: .El
1.1       deraadt   844: .It Ic proxy Ar ftp-command
1.48      jmc       845: Execute an FTP command on a secondary control connection.
                    846: This command allows simultaneous connection to two remote FTP
1.1       deraadt   847: servers for transferring files between the two servers.
                    848: The first
                    849: .Ic proxy
                    850: command should be an
1.29      aaron     851: .Ic open ,
1.1       deraadt   852: to establish the secondary control connection.
1.29      aaron     853: Enter the command
1.41      jmc       854: .Ic proxy ?\&
1.48      jmc       855: to see other FTP commands executable on the
1.1       deraadt   856: secondary connection.
                    857: The following commands behave differently when prefaced by
1.29      aaron     858: .Ic proxy :
1.1       deraadt   859: .Ic open
1.42      jmc       860: will not define new macros during the auto-login process;
1.1       deraadt   861: .Ic close
1.42      jmc       862: will not erase existing macro definitions;
1.1       deraadt   863: .Ic get
                    864: and
                    865: .Ic mget
                    866: transfer files from the host on the primary control connection
1.42      jmc       867: to the host on the secondary control connection; and
1.29      aaron     868: .Ic put ,
1.1       deraadt   869: .Ic mput ,
                    870: and
                    871: .Ic append
                    872: transfer files from the host on the secondary control connection
                    873: to the host on the primary control connection.
1.48      jmc       874: Third party file transfers depend upon support of the FTP protocol
1.1       deraadt   875: .Dv PASV
                    876: command by the server on the secondary control connection.
                    877: .It Ic put Ar local-file Op Ar remote-file
                    878: Store a local file on the remote machine.
                    879: If
                    880: .Ar remote-file
                    881: is left unspecified, the local file name is used
                    882: after processing according to any
                    883: .Ic ntrans
                    884: or
                    885: .Ic nmap
                    886: settings
                    887: in naming the remote file.
                    888: File transfer uses the
                    889: current settings for
1.29      aaron     890: .Ic type ,
1.1       deraadt   891: .Ic format ,
1.29      aaron     892: .Ic mode ,
1.1       deraadt   893: and
1.6       millert   894: .Ic structure .
1.1       deraadt   895: .It Ic pwd
                    896: Print the name of the current working directory on the remote
                    897: machine.
                    898: .It Ic quit
                    899: A synonym for
1.6       millert   900: .Ic bye .
1.1       deraadt   901: .It Ic quote Ar arg1 arg2 ...
1.48      jmc       902: The arguments specified are sent, verbatim, to the remote FTP server.
1.1       deraadt   903: .It Ic recv Ar remote-file Op Ar local-file
1.6       millert   904: A synonym for
                    905: .Ic get .
1.1       deraadt   906: .It Ic reget Ar remote-file Op Ar local-file
                    907: Reget acts like get, except that if
                    908: .Ar local-file
                    909: exists and is
                    910: smaller than
1.29      aaron     911: .Ar remote-file ,
1.1       deraadt   912: .Ar local-file
                    913: is presumed to be
                    914: a partially transferred copy of
                    915: .Ar remote-file
                    916: and the transfer
                    917: is continued from the apparent point of failure.
                    918: This command
                    919: is useful when transferring very large files over networks that
                    920: are prone to dropping connections.
1.6       millert   921: .It Ic rename Op Ar from Op Ar to
1.1       deraadt   922: Rename the file
                    923: .Ar from
1.22      aaron     924: on the remote machine to the file
1.6       millert   925: .Ar to .
1.1       deraadt   926: .It Ic reset
                    927: Clear reply queue.
                    928: This command re-synchronizes command/reply sequencing with the remote
1.48      jmc       929: FTP server.
                    930: Resynchronization may be necessary following a violation of the FTP protocol
1.1       deraadt   931: by the remote server.
                    932: .It Ic restart Ar marker
                    933: Restart the immediately following
                    934: .Ic get
                    935: or
                    936: .Ic put
                    937: at the
                    938: indicated
1.6       millert   939: .Ar marker .
1.1       deraadt   940: On
                    941: .Ux
1.22      aaron     942: systems,
                    943: .Ar marker
                    944: is usually a byte
1.1       deraadt   945: offset into the file.
1.42      jmc       946: .It Ic rhelp Op Ar command-name
1.48      jmc       947: Request help from the remote FTP server.
1.42      jmc       948: If a
                    949: .Ar command-name
                    950: is specified, it is supplied to the server as well.
1.1       deraadt   951: .It Ic rmdir Ar directory-name
                    952: Delete a directory on the remote machine.
1.42      jmc       953: .It Ic rstatus Op Ar file-name
                    954: With no arguments, show status of remote machine.
                    955: If
                    956: .Ar file-name
                    957: is specified, show status of
                    958: .Ar file-name
                    959: on remote machine.
1.1       deraadt   960: .It Ic runique
                    961: Toggle storing of files on the local system with unique filenames.
                    962: If a file already exists with a name equal to the target
                    963: local filename for a
                    964: .Ic get
                    965: or
                    966: .Ic mget
1.29      aaron     967: command, a
1.42      jmc       968: .Dq .1
1.29      aaron     969: is appended to the name.
1.1       deraadt   970: If the resulting name matches another existing file,
1.29      aaron     971: a
1.42      jmc       972: .Dq .2
1.29      aaron     973: is appended to the original name.
                    974: If this process continues up to
1.42      jmc       975: .Dq .99 ,
                    976: an error message is printed, and the transfer does not take place.
1.1       deraadt   977: The generated unique filename will be reported.
                    978: Note that
                    979: .Ic runique
                    980: will not affect local files generated from a shell command
                    981: (see below).
                    982: The default value is off.
                    983: .It Ic send Ar local-file Op Ar remote-file
1.6       millert   984: A synonym for
                    985: .Ic put .
1.1       deraadt   986: .It Ic sendport
                    987: Toggle the use of
                    988: .Dv PORT
                    989: commands.
                    990: By default,
1.6       millert   991: .Nm
1.1       deraadt   992: will attempt to use a
                    993: .Dv PORT
                    994: command when establishing
                    995: a connection for each data transfer.
                    996: The use of
                    997: .Dv PORT
                    998: commands can prevent delays
                    999: when performing multiple file transfers.
                   1000: If the
                   1001: .Dv PORT
                   1002: command fails,
1.6       millert  1003: .Nm
1.1       deraadt  1004: will use the default data port.
                   1005: When the use of
                   1006: .Dv PORT
                   1007: commands is disabled, no attempt will be made to use
                   1008: .Dv PORT
                   1009: commands for each data transfer.
1.48      jmc      1010: This is useful for certain FTP implementations which do ignore
1.1       deraadt  1011: .Dv PORT
                   1012: commands but, incorrectly, indicate they've been accepted.
                   1013: .It Ic site Ar arg1 arg2 ...
1.48      jmc      1014: The arguments specified are sent, verbatim, to the remote FTP server as a
1.1       deraadt  1015: .Dv SITE
                   1016: command.
                   1017: .It Ic size Ar file-name
                   1018: Return size of
                   1019: .Ar file-name
                   1020: on remote machine.
                   1021: .It Ic status
                   1022: Show the current status of
1.48      jmc      1023: .Nm .
1.42      jmc      1024: .\" .It Ic struct Op Ar struct-name
                   1025: .\" Set the file transfer
                   1026: .\" .Ar structure
                   1027: .\" to
                   1028: .\" .Ar struct-name .
                   1029: .\" By default,
                   1030: .\" .Dq file
                   1031: .\" structure is used.
1.1       deraadt  1032: .It Ic sunique
                   1033: Toggle storing of files on remote machine under unique file names.
1.48      jmc      1034: The remote FTP server must support the FTP protocol
1.1       deraadt  1035: .Dv STOU
                   1036: command for
                   1037: successful completion.
1.42      jmc      1038: The remote server will report the unique name.
1.1       deraadt  1039: Default value is off.
                   1040: .It Ic system
                   1041: Show the type of operating system running on the remote machine.
                   1042: .It Ic tenex
                   1043: Set the file transfer type to that needed to
                   1044: talk to
                   1045: .Tn TENEX
                   1046: machines.
                   1047: .It Ic trace
                   1048: Toggle packet tracing.
                   1049: .It Ic type Op Ar type-name
                   1050: Set the file transfer
                   1051: .Ic type
                   1052: to
1.6       millert  1053: .Ar type-name .
1.1       deraadt  1054: If no type is specified, the current type
                   1055: is printed.
1.42      jmc      1056: The default type is
                   1057: .Dq binary .
1.1       deraadt  1058: .It Ic umask Op Ar newmask
                   1059: Set the default umask on the remote server to
1.6       millert  1060: .Ar newmask .
1.1       deraadt  1061: If
                   1062: .Ar newmask
                   1063: is omitted, the current umask is printed.
                   1064: .It Xo
                   1065: .Ic user Ar user-name
1.6       millert  1066: .Op Ar password Op Ar account
1.1       deraadt  1067: .Xc
1.48      jmc      1068: Identify yourself to the remote FTP server.
1.1       deraadt  1069: If the
                   1070: .Ar password
                   1071: is not specified and the server requires it,
1.6       millert  1072: .Nm
1.1       deraadt  1073: will prompt the user for it (after disabling local echo).
                   1074: If an
                   1075: .Ar account
1.48      jmc      1076: field is not specified, and the FTP server requires it,
                   1077: the user will be prompted for it.
1.1       deraadt  1078: If an
                   1079: .Ar account
                   1080: field is specified, an account command will
                   1081: be relayed to the remote server after the login sequence
                   1082: is completed if the remote server did not require it
                   1083: for logging in.
                   1084: Unless
1.6       millert  1085: .Nm
1.42      jmc      1086: is invoked with
                   1087: .Dq auto-login
                   1088: disabled, this process is done automatically on initial connection to the
1.48      jmc      1089: FTP server.
1.1       deraadt  1090: .It Ic verbose
                   1091: Toggle verbose mode.
                   1092: In verbose mode, all responses from
1.48      jmc      1093: the FTP server are displayed to the user.
1.1       deraadt  1094: In addition,
                   1095: if verbose is on, when a file transfer completes, statistics
                   1096: regarding the efficiency of the transfer are reported.
                   1097: By default,
                   1098: verbose is on.
                   1099: .El
                   1100: .Pp
                   1101: Command arguments which have embedded spaces may be quoted with
1.29      aaron    1102: quote
1.42      jmc      1103: .Pq Ql \&"
1.29      aaron    1104: marks.
1.6       millert  1105: .Pp
                   1106: Commands which toggle settings can take an explicit
                   1107: .Ic on
                   1108: or
                   1109: .Ic off
                   1110: argument to force the setting appropriately.
                   1111: .Pp
                   1112: If
                   1113: .Nm
                   1114: receives a
                   1115: .Dv SIGINFO
                   1116: (see the
                   1117: .Dq status
                   1118: argument of
                   1119: .Xr stty 1 )
                   1120: signal whilst a transfer is in progress, the current transfer rate
                   1121: statistics will be written to the standard error output, in the
                   1122: same format as the standard completion message.
                   1123: .Sh AUTO-FETCHING FILES
                   1124: In addition to standard commands, this version of
                   1125: .Nm
                   1126: supports an auto-fetch feature.
                   1127: To enable auto-fetch, simply pass the list of hostnames/files
                   1128: on the command line.
                   1129: .Pp
                   1130: The following formats are valid syntax for an auto-fetch element:
1.56      ray      1131: .Bl -tag -width Ds
1.42      jmc      1132: .It host:/file[/]
1.6       millert  1133: .Dq Classic
1.48      jmc      1134: .Nm
                   1135: format.
1.42      jmc      1136: .It ftp://[user:password@]host[:port]/file[/]
1.48      jmc      1137: An FTP URL, retrieved using the FTP protocol if
1.10      millert  1138: .Ev ftp_proxy
                   1139: isn't defined.
1.48      jmc      1140: Otherwise, transfer using HTTP via the proxy defined in
1.10      millert  1141: .Ev ftp_proxy .
1.11      millert  1142: If
1.42      jmc      1143: .Ar user : Ns Ar password Ns @
1.11      millert  1144: is given and
                   1145: .Ev ftp_proxy
1.47      jmc      1146: isn't defined, log in as
1.11      millert  1147: .Ar user
                   1148: with a password of
                   1149: .Ar password .
1.6       millert  1150: .It http://host[:port]/file
1.48      jmc      1151: An HTTP URL, retrieved using the HTTP protocol.
1.6       millert  1152: If
                   1153: .Ev http_proxy
                   1154: is defined, it is used as a URL to an HTTP proxy server.
1.54      deraadt  1155: .It https://host[:port]/file
                   1156: An HTTPS URL, retrieved using the HTTPS protocol.
                   1157: If
                   1158: .Ev http_proxy
                   1159: is defined, this HTTPS proxy server will be used to fetch the
                   1160: file using the CONNECT method.
1.6       millert  1161: .El
                   1162: .Pp
1.48      jmc      1163: If a classic format or an FTP URL format has a trailing
1.6       millert  1164: .Sq / ,
                   1165: then
                   1166: .Nm
                   1167: will connect to the site and
                   1168: .Ic cd
                   1169: to the directory given as the path, and leave the user in interactive
                   1170: mode ready for further input.
                   1171: .Pp
1.48      jmc      1172: If successive auto-fetch FTP elements refer to the same host, then
1.6       millert  1173: the connection is maintained between transfers, reducing overhead on
                   1174: connection creation and deletion.
1.9       millert  1175: .Pp
                   1176: If
1.42      jmc      1177: .Ar file
                   1178: contains a glob character and globbing is enabled
1.9       millert  1179: (see
1.13      millert  1180: .Ic glob ) ,
1.9       millert  1181: then the equivalent of
1.42      jmc      1182: .Ic mget Ar file
1.9       millert  1183: is performed.
                   1184: .Pp
1.19      d        1185: If no
                   1186: .Fl o
                   1187: option is specified, and
                   1188: the directory component of
1.42      jmc      1189: .Ar file
1.9       millert  1190: contains no globbing characters,
1.19      d        1191: then
1.9       millert  1192: it is stored in the current directory as the
                   1193: .Xr basename 1
                   1194: of
1.42      jmc      1195: .Ar file .
                   1196: If
                   1197: .Fl o Ar output
                   1198: is specified, then
                   1199: .Ar file
                   1200: is stored as
                   1201: .Ar output .
1.9       millert  1202: Otherwise, the remote name is used as the local name.
1.1       deraadt  1203: .Sh ABORTING A FILE TRANSFER
                   1204: To abort a file transfer, use the terminal interrupt key
                   1205: (usually Ctrl-C).
                   1206: Sending transfers will be immediately halted.
1.48      jmc      1207: Receiving transfers will be halted by sending an FTP protocol
1.1       deraadt  1208: .Dv ABOR
                   1209: command to the remote server, and discarding any further data received.
                   1210: The speed at which this is accomplished depends upon the remote
                   1211: server's support for
                   1212: .Dv ABOR
                   1213: processing.
                   1214: If the remote server does not support the
                   1215: .Dv ABOR
                   1216: command, an
1.51      jmc      1217: .Ql ftp\*(Gt
1.1       deraadt  1218: prompt will not appear until the remote server has completed
                   1219: sending the requested file.
                   1220: .Pp
                   1221: The terminal interrupt key sequence will be ignored when
1.6       millert  1222: .Nm
1.1       deraadt  1223: has completed any local processing and is awaiting a reply
                   1224: from the remote server.
                   1225: A long delay in this mode may result from the ABOR processing described
                   1226: above, or from unexpected behavior by the remote server, including
1.48      jmc      1227: violations of the FTP protocol.
1.1       deraadt  1228: If the delay results from unexpected remote server behavior, the local
1.6       millert  1229: .Nm
1.1       deraadt  1230: program must be killed by hand.
                   1231: .Sh FILE NAMING CONVENTIONS
                   1232: Files specified as arguments to
1.6       millert  1233: .Nm
1.1       deraadt  1234: commands are processed according to the following rules.
                   1235: .Bl -enum
                   1236: .It
                   1237: If the file name
1.48      jmc      1238: .Sq -
1.29      aaron    1239: is specified, the standard input (for reading)
                   1240: or standard output (for writing)
                   1241: is used.
1.1       deraadt  1242: .It
                   1243: If the first character of the file name is
                   1244: .Sq \&| ,
                   1245: the
                   1246: remainder of the argument is interpreted as a shell command.
1.6       millert  1247: .Nm
1.1       deraadt  1248: then forks a shell, using
                   1249: .Xr popen 3
1.29      aaron    1250: with the argument supplied, and reads (writes) from the standard output
                   1251: (standard input).
1.1       deraadt  1252: If the shell command includes spaces, the argument
1.29      aaron    1253: must be quoted; e.g.,
1.42      jmc      1254: .Qq ls -lt .
1.1       deraadt  1255: A particularly
1.42      jmc      1256: useful example of this mechanism is:
                   1257: .Qq dir |more .
1.1       deraadt  1258: .It
1.29      aaron    1259: Failing the above checks, if
                   1260: .Dq globbing
                   1261: is enabled,
1.1       deraadt  1262: local file names are expanded
                   1263: according to the rules used in the
1.29      aaron    1264: .Xr csh 1 ;
1.1       deraadt  1265: c.f. the
                   1266: .Ic glob
                   1267: command.
                   1268: If the
1.6       millert  1269: .Nm
1.29      aaron    1270: command expects a single local file (e.g.,
                   1271: .Ic put ) ,
                   1272: only the first filename generated by the
                   1273: .Dq globbing
                   1274: operation is used.
1.1       deraadt  1275: .It
                   1276: For
                   1277: .Ic mget
                   1278: commands and
                   1279: .Ic get
                   1280: commands with unspecified local file names, the local filename is
                   1281: the remote filename, which may be altered by a
1.29      aaron    1282: .Ic case ,
1.1       deraadt  1283: .Ic ntrans ,
                   1284: or
                   1285: .Ic nmap
                   1286: setting.
                   1287: The resulting filename may then be altered if
                   1288: .Ic runique
                   1289: is on.
                   1290: .It
                   1291: For
                   1292: .Ic mput
                   1293: commands and
                   1294: .Ic put
                   1295: commands with unspecified remote file names, the remote filename is
                   1296: the local filename, which may be altered by a
                   1297: .Ic ntrans
                   1298: or
                   1299: .Ic nmap
                   1300: setting.
                   1301: The resulting filename may then be altered by the remote server if
                   1302: .Ic sunique
                   1303: is on.
                   1304: .El
                   1305: .Sh FILE TRANSFER PARAMETERS
                   1306: The FTP specification specifies many parameters which may
                   1307: affect a file transfer.
                   1308: The
                   1309: .Ic type
1.42      jmc      1310: may be one of
                   1311: .Dq ascii ,
                   1312: .Dq binary ,
                   1313: .Dq image ,
                   1314: .Dq ebcdic
                   1315: .Pq currently not supported
                   1316: or
                   1317: .Dq tenex
                   1318: (local byte size 8, for PDP-10's and PDP-20's mostly).
1.6       millert  1319: .Nm
1.38      jmc      1320: supports the ASCII and image types of file transfer,
1.1       deraadt  1321: plus local byte size 8 for
                   1322: .Ic tenex
                   1323: mode transfers.
                   1324: .Pp
1.6       millert  1325: .Nm
1.1       deraadt  1326: supports only the default values for the remaining
                   1327: file transfer parameters:
1.29      aaron    1328: .Ic mode ,
1.1       deraadt  1329: .Ic form ,
                   1330: and
1.6       millert  1331: .Ic struct .
1.1       deraadt  1332: .Sh THE .netrc FILE
                   1333: The
                   1334: .Pa .netrc
                   1335: file contains login and initialization information
                   1336: used by the auto-login process.
                   1337: It resides in the user's home directory.
                   1338: The following tokens are recognized; they may be separated by spaces,
                   1339: tabs, or new-lines:
                   1340: .Bl -tag -width password
                   1341: .It Ic machine Ar name
                   1342: Identify a remote machine
                   1343: .Ar name .
                   1344: The auto-login process searches the
                   1345: .Pa .netrc
                   1346: file for a
                   1347: .Ic machine
                   1348: token that matches the remote machine specified on the
1.6       millert  1349: .Nm
1.1       deraadt  1350: command line or as an
                   1351: .Ic open
                   1352: command argument.
                   1353: Once a match is made, the subsequent
                   1354: .Pa .netrc
                   1355: tokens are processed,
                   1356: stopping when the end of file is reached or another
                   1357: .Ic machine
                   1358: or a
                   1359: .Ic default
                   1360: token is encountered.
                   1361: .It Ic default
                   1362: This is the same as
                   1363: .Ic machine
                   1364: .Ar name
                   1365: except that
                   1366: .Ic default
                   1367: matches any name.
                   1368: There can be only one
                   1369: .Ic default
                   1370: token, and it must be after all
                   1371: .Ic machine
                   1372: tokens.
                   1373: This is normally used as:
                   1374: .Pp
                   1375: .Dl default login anonymous password user@site
                   1376: .Pp
                   1377: thereby giving the user
                   1378: .Ar automatic
1.48      jmc      1379: anonymous FTP login to
1.1       deraadt  1380: machines not specified in
                   1381: .Pa .netrc .
                   1382: This can be overridden
                   1383: by using the
                   1384: .Fl n
                   1385: flag to disable auto-login.
                   1386: .It Ic login Ar name
                   1387: Identify a user on the remote machine.
                   1388: If this token is present, the auto-login process will initiate
                   1389: a login using the specified
                   1390: .Ar name .
                   1391: .It Ic password Ar string
                   1392: Supply a password.
                   1393: If this token is present, the auto-login process will supply the
                   1394: specified string if the remote server requires a password as part
                   1395: of the login process.
                   1396: Note that if this token is present in the
                   1397: .Pa .netrc
                   1398: file for any user other
                   1399: than
1.29      aaron    1400: .Ar anonymous ,
1.6       millert  1401: .Nm
1.1       deraadt  1402: will abort the auto-login process if the
                   1403: .Pa .netrc
                   1404: is readable by
                   1405: anyone besides the user.
                   1406: .It Ic account Ar string
                   1407: Supply an additional account password.
                   1408: If this token is present, the auto-login process will supply the
                   1409: specified string if the remote server requires an additional
                   1410: account password, or the auto-login process will initiate an
                   1411: .Dv ACCT
                   1412: command if it does not.
                   1413: .It Ic macdef Ar name
                   1414: Define a macro.
                   1415: This token functions like the
1.6       millert  1416: .Nm
1.1       deraadt  1417: .Ic macdef
                   1418: command functions.
                   1419: A macro is defined with the specified name; its contents begin with the
                   1420: next
                   1421: .Pa .netrc
                   1422: line and continue until a null line (consecutive new-line
                   1423: characters) is encountered.
1.50      jmc      1424: Like the other tokens in the
                   1425: .Pa .netrc
                   1426: file, a
                   1427: .Ic macdef
                   1428: is applicable only to the
                   1429: .Ic machine
                   1430: definition preceding it.
                   1431: A
                   1432: .Ic macdef
                   1433: entry cannot be utilized by multiple
                   1434: .Ic machine
                   1435: definitions; rather, it must be defined following each
                   1436: .Ic machine
                   1437: it is intended to be used with.
1.1       deraadt  1438: If a macro named
                   1439: .Ic init
                   1440: is defined, it is automatically executed as the last step in the
                   1441: auto-login process.
                   1442: .El
1.6       millert  1443: .Sh COMMAND LINE EDITING
                   1444: .Nm
1.25      aaron    1445: supports interactive command line editing, via the
1.6       millert  1446: .Xr editline 3
                   1447: library.
                   1448: It is enabled with the
                   1449: .Ic edit
1.9       millert  1450: command, and is enabled by default if input is from a tty.
1.6       millert  1451: Previous lines can be recalled and edited with the arrow keys,
                   1452: and other GNU Emacs-style editing keys may be used as well.
                   1453: .Pp
                   1454: The
                   1455: .Xr editline 3
                   1456: library is configured with a
                   1457: .Pa .editrc
1.42      jmc      1458: file \- refer to
1.6       millert  1459: .Xr editrc 5
                   1460: for more information.
                   1461: .Pp
                   1462: An extra key binding is available to
                   1463: .Nm
                   1464: to provide context sensitive command and filename completion
                   1465: (including remote file completion).
                   1466: To use this, bind a key to the
                   1467: .Xr editline 3
                   1468: command
                   1469: .Ic ftp-complete .
                   1470: By default, this is bound to the TAB key.
1.1       deraadt  1471: .Sh ENVIRONMENT
1.6       millert  1472: .Nm
1.22      aaron    1473: utilizes the following environment variables:
1.15      millert  1474: .Bl -tag -width "FTPSERVERPORT"
1.16      millert  1475: .It Ev FTPMODE
1.29      aaron    1476: Overrides the default operation mode.
                   1477: Recognized values are:
1.48      jmc      1478: .Pp
                   1479: .Bl -tag -width "passive  " -offset indent -compact
1.16      millert  1480: .It passive
1.48      jmc      1481: passive mode FTP only
1.16      millert  1482: .It active
1.48      jmc      1483: active mode FTP only
1.16      millert  1484: .It auto
                   1485: automatic determination of passive or active (this is the default)
                   1486: .It gate
                   1487: gate-ftp mode
                   1488: .El
1.14      millert  1489: .It Ev FTPSERVER
                   1490: Host to use as gate-ftp server when
                   1491: .Ic gate
                   1492: is enabled.
                   1493: .It Ev FTPSERVERPORT
                   1494: Port to use when connecting to gate-ftp server when
                   1495: .Ic gate
                   1496: is enabled.
                   1497: Default is port returned by a
                   1498: .Fn getservbyname
1.25      aaron    1499: lookup of
1.14      millert  1500: .Dq ftpgate/tcp .
1.1       deraadt  1501: .It Ev HOME
                   1502: For default location of a
                   1503: .Pa .netrc
                   1504: file, if one exists.
1.9       millert  1505: .It Ev PAGER
                   1506: Used by
                   1507: .Ic page
                   1508: to display files.
1.1       deraadt  1509: .It Ev SHELL
                   1510: For default shell.
1.15      millert  1511: .It Ev TMPDIR
                   1512: Directory to put temporary files.
1.10      millert  1513: .It Ev ftp_proxy
                   1514: URL of FTP proxy to use when making FTP URL requests
1.48      jmc      1515: (if not defined, use the standard FTP protocol).
1.6       millert  1516: .It Ev http_proxy
1.54      deraadt  1517: URL of HTTP proxy to use when making HTTP or HTTPS URL requests.
1.59    ! pyr      1518: .It Ev http_cookies
        !          1519: Path of a Netscape like cookiejar to use when making
        !          1520: HTTP or HTTPS URL requests.
1.1       deraadt  1521: .El
1.36      jakob    1522: .Sh PORT ALLOCATION
1.38      jmc      1523: For active mode data connections,
1.36      jakob    1524: .Nm
1.42      jmc      1525: will listen to a random high TCP port.
1.36      jakob    1526: The interval of ports used are configurable using
1.38      jmc      1527: .Xr sysctl 8
1.36      jakob    1528: variables
1.42      jmc      1529: .Va net.inet.ip.porthifirst
1.36      jakob    1530: and
1.42      jmc      1531: .Va net.inet.ip.porthilast .
1.1       deraadt  1532: .Sh SEE ALSO
1.42      jmc      1533: .Xr basename 1 ,
                   1534: .Xr csh 1 ,
                   1535: .Xr more 1 ,
                   1536: .Xr stty 1 ,
                   1537: .Xr tar 1 ,
1.28      aaron    1538: .Xr tftp 1 ,
1.42      jmc      1539: .Xr editline 3 ,
1.14      millert  1540: .Xr getservbyname 3 ,
1.42      jmc      1541: .Xr popen 3 ,
1.6       millert  1542: .Xr editrc 5 ,
1.14      millert  1543: .Xr services 5 ,
1.34      beck     1544: .Xr ftp-proxy 8 ,
1.1       deraadt  1545: .Xr ftpd 8
                   1546: .Sh HISTORY
                   1547: The
1.6       millert  1548: .Nm
1.1       deraadt  1549: command appeared in
                   1550: .Bx 4.2 .
                   1551: .Sh BUGS
                   1552: Correct execution of many commands depends upon proper behavior
                   1553: by the remote server.
                   1554: .Pp
                   1555: An error in the treatment of carriage returns
                   1556: in the
                   1557: .Bx 4.2
1.22      aaron    1558: ASCII-mode transfer code
1.1       deraadt  1559: has been corrected.
                   1560: This correction may result in incorrect transfers of binary files
                   1561: to and from
                   1562: .Bx 4.2
1.22      aaron    1563: servers using the ASCII type.
1.1       deraadt  1564: Avoid this problem by using the binary image type.