[ruby-dev:15602] Net::FTP: ftp anonymous password (PR#223)

　メールがエラーで弾かれるそうなので、転送します。

At Sat, 29 Dec 2001 16:03:23 +0000,
[e-mail] wrote:
> From: [e-mail]
> Date: Sun, 30 Dec 2001 00:48:31 +0900 (JST)
> Subject: Net::FTP: ftp anonymous password (PR#223)
> To: [e-mail]
> Cc: [e-mail]
> Message-Id: <[e-mail]>
> 
> 
> --ZPt4rx8FFjLCG7dd
> Content-Type: text/plain; charset=us-ascii
> Content-Disposition: inline
> 
> I've seen that Net::FTP sends the user name when doing ANONYMOUS ftp gets.
> I see a lot of problems:
> - Sending the user name if the user doesn't know that it's sent doesn't protect the user state of ANONYMOUS
> - Spyware is not a good idea, most users don't like it.
> - Sending the user name helps SPAM instead of stopping it. Many ftp sites use this information to send you unsolicited email.
> - Sending the user name doesn't help ftp sites to know who the cracker is, crackers are not stupid to send their email address.
> - Sending the user name can be used to discriminate the user.
> 
> By all of these reasons I argue that Net::FTP to don't
> send the user email by default.
> 
> Some time ago two very important ftp clients wget and
> lftp stopped sending the user name as password based on
> my input.
> 
> As more and more ftp clients are moving to this
> anonymous@ password (for example the kde kio ftp, qt3,
> gnome-xml, perl's Net::FTP, python's ftplib.py)
> I recommend you to apply the patch.
> 
> I send you the bugfix.
> 
> --ZPt4rx8FFjLCG7dd
> Content-Type: text/plain; charset=us-ascii
> Content-Disposition: attachment; filename="ruby1.6-netftp-nospam.diff"
> 
> --- ruby/1.6/net/ftp.rb.orig	Wed Dec 26 13:54:34 2001
> +++ ruby/1.6/net/ftp.rb	Sat Dec 29 10:56:33 2001
> @@ -215,25 +215,16 @@
>      end
>      private :transfercmd
>      
> -    def getaddress
> -      thishost = Socket.gethostname
> -      if not thishost.index(".")
> -	thishost = Socket.gethostbyname(thishost)[0]
> -      end
> -      if ENV.has_key?("LOGNAME")
> -	realuser = ENV["LOGNAME"]
> -      elsif ENV.has_key?("USER")
> -	realuser = ENV["USER"]
> -      else
> -	realuser = "anonymous"
> -      end
> -      return realuser + "@" + thishost
> -    end
> -    private :getaddress
> -    
>      def login(user = "anonymous", passwd = nil, acct = nil)
>        if user == "anonymous" and passwd == nil
> -	passwd = getaddress
> +	# If there is no anonymous ftp password specified
> +	# then we'll just use anonymous@
> +	# We don't send any other thing because:
> +	# - We want to remain anonymous
> +	# - We want to stop SPAM
> +	# - We don't want to let ftp sites to discriminate by the user,
> +	#   host or country.
> +	passwd = "anonymous@"
>        end
>        
>        resp = ""
> 
> --ZPt4rx8FFjLCG7dd--

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