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Date: Tue, 12 Oct 2004 11:54:47 -0400 (EDT)
From: Igor Pechtchanski <pechtcha AT cs DOT nyu DOT edu>
Reply-To: cygwin AT cygwin DOT com
To: Carlo Florendo <list-subscriber AT hq DOT astra DOT ph>
cc: cygwin AT cygwin DOT com
Subject: Re: other services ok, ftp not (was 1.5.11 - tcp problems)
In-Reply-To: <416B3A95.4010506@hq.astra.ph>
Message-ID: <Pine.GSO.4.61.0410121150090.24643@slinky.cs.nyu.edu>
References: <4745850620 DOT 20040921112624 AT scenta DOT co DOT uk> <416B3A95 DOT 4010506 AT hq DOT astra DOT ph>
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Carlo,

See comments inline below.

On Tue, 12 Oct 2004, Carlo Florendo wrote:

> Hello,
>
> I've recently searched the archives for problems regarding cygwin unable
> to do ftp and came across the thead entitled "1.5.11 - tcp problems"
> which was started on September 14. I've replied to the last message in
> the thread (since the problem seemed not to be solved on the mailing
> list.)
>
> I'm encountering exactly the same problem where invoking /usr/bin/ftp
> gives a:
>
> ftp: ftp/tcp: unknown service.
>
> On my system, /etc/services is indeed a symlink to the Windows services
> file:
>
> /etc/services -> C:\WINNT\system32\drivers\etc\services
>
> I've followed the advice on one of the message replies stating that
> there should at least be +r access on services by users.  I also made
> sure the parent directories containing `service' to be readable by all.
> Here's how the permissions look like now:
>
> SYSTEM /cygdrive/c
> $ ls -ld winnt
> drwxrwxr-x+  40 Administ SYSTEM      32768 Oct  6 11:17 winnt
>
> SYSTEM /cygdrive/c
> $ cd winnt
>
> SYSTEM /cygdrive/c/winnt
> $ ls -ld system32
> drwxrwxr-x+  29 Administ SYSTEM     319488 Oct 12 08:29 system32
>
> SYSTEM /cygdrive/c/winnt
> $ cd system32
>
> SYSTEM /cygdrive/c/winnt/system32
> $ ls -ld drivers
> drwxrwxr--+   4 Administ SYSTEM      28672 Sep 20 15:34 drivers
         ^^^
> SYSTEM /cygdrive/c/winnt/system32
> $ cd drivers
>
> SYSTEM /cygdrive/c/winnt/system32/drivers
> $ ls -ld etc
> drwxrwxr--+   2 Administ SYSTEM       4096 Jun 22 00:09 etc
          ^^^

They have to be executable, not readable.  The readable bit controls
listing the contents of the directory, but accessing the files requires
the directory to be executable.

> SYSTEM /cygdrive/c/winnt/system32/drivers
> $ cd etc
>
> SYSTEM /cygdrive/c/winnt/system32/drivers/etc
> $ ls -l
> total 15
> -rwxrwx---+   1 Administ SYSTEM       1757 Apr 11  2004 hosts
         ^^^
> -rwxrwx---+   1 Administ SYSTEM       3683 Jul 14  2003 lmhosts.sam
> -rwxrwx---+   1 Administ SYSTEM        407 Jul 14  2003 networks
         ^^^
> -rwxrwx---+   1 Administ SYSTEM        799 Jul 14  2003 protocol
         ^^^
> -rwxrwxr--+   1 Administ SYSTEM       7116 Jul 14  2003 services

All of the above have to be readable, too.

> However, I stll get the same error:
>
> SYSTEM /cygdrive/c/winnt/system32/drivers/etc
> $ ftp
> ftp: ftp/tcp: unknown service
>
> Then, I copied the services file itself and temporarily renamed the
> symlink. After invoking ftp, it still didn't work.

Of course it wouldn't.  Cygwin uses Winsock, which looks for the files in
the above directory, not in /etc.  The /etc links are simply to make
Cygwin look more like Linux.

> Trying the windows ftp program bundled with the OS works fine, but,
> FWIW, I guess this is irrelevant on this issue.
>
> Attached is the output of cygcheck -svr.   Any hints?
> Thanks a lot!
> Carlo

HTH,
	Igor
-- 
				http://cs.nyu.edu/~pechtcha/
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ZZZzz /,`.-'`'    -.  ;-;;,_		igor AT watson DOT ibm DOT com
     |,4-  ) )-,_. ,\ (  `'-'		Igor Pechtchanski, Ph.D.
    '---''(_/--'  `-'\_) fL	a.k.a JaguaR-R-R-r-r-r-.-.-.  Meow!

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