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Full Discussion: Recursive FTP -- here at last.
Top Forums Shell Programming and Scripting Recursive FTP -- here at last. Post 40639 by Perderabo on Friday 19th of September 2003 01:59:56 PM
Old 09-19-2003
Remember the title of the thread...recursive ftp, not recursive copy. I wrote the first version of this when I was asked to sync a unix ftp server with an NT ftp server through two firewalls. That's quite a bit more than rsync can handle.

rsync depends on the berkeley remote shell command. That protocol is very insecure, perhaps the most insecure in existence. It always was unix specific and not that many unix shops still use it due to security. And I never seen a firewall configured to pass that protocol.

My script depends on the ftp protocol. Ftp won't win any awards for security either, but it does at least demand a password. Ftp is also widely available and I specificly included NT support.
 

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LEARN ABOUT OPENSOLARIS

netrc

netrc(4)							   File Formats 							  netrc(4)

NAME

       netrc - file for ftp remote login data

DESCRIPTION

       The  .netrc  file  contains  data  for  logging in to a remote host over the network for file transfers by ftp(1). This file resides in the
       user's home directory on the machine initiating the file transfer. Its permissions should be set to disallow read access by group and  oth-
       ers. See chmod(1).

       Tokens can be separated by SPACE, TAB, or NEWLINE characters. The following tokens are supported:

       account string	  Supply an additional account password. If this token is present, the auto-login process supplies the specified string if
			  the remote server requires an additional account password. If the remote server does not require an  additional  account
			  password, the auto-login process initiates an ACCT command.

       default		  Same	as  machine  name, except that default matches any name. There can be only one default token, and it must be after
			  all machine tokens. The default token is normally used as follows:

			    default login anonymous password user@site

			  Such an entry gives the user automatic anonymous ftp login to machines not specified in .netrc.

       login name	  Identify a user on the remote machine. If this token is present, the auto-login process  initiates  a  login	using  the
			  specified name.

       machine name	  Identify  a  remote  machine	name. The auto-login process searches the .netrc file for a machine token that matches the
			  remote machine specified on the ftp command line or as an open command argument. Once a match is  made,  the	subsequent
			  .netrc tokens are processed, stopping when the EOF is reached or another machine token is encountered.

       macdef name	  Define  a  macro.  This token functions the same as ftp macdef. A macro is defined with the specified name; its contents
			  begin with the next .netrc line and continue until a null line (consecutive NEWLINE characters)  is  encountered.  If  a
			  macro named init is defined, it is automatically executed as the last step in the auto-login process.

       password string	  Supply  a  password. If this token is present, the auto-login process supplies the specified string if the remote server
			  requires a password as part of the login process. If this token is present in the .netrc file, ftp aborts the auto-login
			  process if the .netrc is readable by anyone besides the user.

       skipsyst 	  Skip	the SYST command that is sent by default to all remote servers upon connection. The system command is what enables
			  the automatic use of binary mode rather than the protocol default ascii mode.

			  As some older servers cannot handle the ftp command, this directive is provided to allow  inter-operability  with  these
			  servers.

EXAMPLES

       Example 1 A Sample .netrc File

       A .netrc file containing the following line:

	 machine ray login demo password mypassword

       allows an autologin to the machine ray using the login name demo with password mypassword.

FILES

       ~/.netrc

SEE ALSO

       chmod(1), ftp(1), in.ftpd(1M)

SunOS 5.11							    25 Aug 2006 							  netrc(4)
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