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Re: Password prompts for remote system echoing and not attaching


On 8/29/2012 2:48 PM, Earnie Boyd wrote:
On Wed, Aug 29, 2012 at 2:37 PM, Andy Koppe wrote:
On 29 August 2012 19:02, Larry Hall (Cygwin) wrote:
On 8/29/2012 12:58 PM, Mike Casile wrote:

New install of latest cygwin (CYGWIN_NT-6.1-WOW64 1.7.16(0.262/5/3) 2012-07-20 22:55) on a new Windows 7 system. When I do ftp <host> it prompts for uid, then prompts for pw (normal). Problem is, password echoes on the screen ... and then it hangs and connection is never made. If I do ftp -s:<script> <host> ... and the script starts with uid/pw ... it all runs fine. Same with pscp. With putty, no problem because putty gets control and prompts for uid/pw itself. I am thinking this is a config fat-finger on my part ... but I am out of my depth.


You have two alternatives here:

   1. Install the inetutils package so you're using the Cygwin FTP client
      (or pick an alternative Cygwin package offering your favorite FTP
       client).

   2. Continue to use the Windows FTP client but only do so from a shell
      prompt started from cmd.exe (i.e. no Mintty, xterm, etc).

Again: cmd.exe and console windows are different things. Invoking bash.exe (or tcsh.exe, or zsh.exe, or ...) directly from an Explorer shortcut or the Run dialog or whatever will work just fine, with Windows automatically creating a console window for it. No cmd.exe needed there.

Right, the issue is the PTY emulation issue that no one can do anything about. The Cygwin dependent terminal programs like mintty and rxvt cause the issue because of the buffering used in the pipes opened to native program. The native programs do not flush properly the I/O and thus you get garbage. So therefore a native terminal (a.k.a. console window) works because the buffering doesn't occur.

Yeah, though buffering isn't the problem here. It's that the password is rendered in the clear as you type it by the Windows FTP client if you run it from a Cygwin terminal. This is why I suggested *not* running it from a Cygwin terminal if Mike really wants the Windows FTP client. Whether the Windows FTP client is run in a console or cmd.exe is really, in this case, inconsequential. Both will work for the work-flow Mike describes. The key take-away from the original post is that the Windows FTP client is being used, not the Cygwin one. That's why I mentioned using the Cygwin one as another alternative to avoid the observed behavior of the Windows FTP client with Cygwin terminals.

--
Larry

_____________________________________________________________________

A: Yes.
> Q: Are you sure?
>> A: Because it reverses the logical flow of conversation.
>>> Q: Why is top posting annoying in email?

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