Mail Archives: cygwin/2003/01/21/12:38:34
H.Merijn schrieb:
> On Mon 20 Jan 2003 11:14, "Gerrit P. Haase" <gerrit AT familiehaase DOT de> wrote:
>> H.Merijn schrieb:
>>
>> > Given that cygwin is installed on a Win2k/sp3 target, is there an easy way to
>> > enable telnet from another machine?
>>
>> Use inetd, this is in the package inetutils.
>> It is installed via cygrunsrv as service.
> There might be a Cygwin bug here. If I do:
> # cygrunsrv -I inetd -p C:/cygwin/usr/sbin/inetd.exe -o
> I indeed see a new service, but the service is
> Display name: inetd
> Description:
> Path to executable: C:\Cygwin\bin\cygrunsrv.exe
> Startup type: Automatic
I'm sorry, was my fault to give you some wrong advice. There are two
ways of running a service. Usual cygrunsrv is used, then it is correct
that as executable is shown cygrunsrv, there are also some parameters
then which tell cygrunsrv which executable to start as service.
In case of inetd, there is a built in setup routine, called with
inetd --install-as-service
but first see the paste from the README below, please.
> If I then use regedit to change it to
> Display name: inetd
> Description:
> Path to executable: C:\Cygwin\usr\sbin\inetd.exe
> Startup type: Automatic
See above & below, please.
All is in the README :-)
/usr/doc/Cygwin/inetutils-x.x.x.README
...
The important features in brief
================================
- Before starting any program, be aware that all neccessary configuration
files in /etc have to be generated first! Call
iu-config
once after you installed the inetutils the first time. That
generates some files:
/etc/inetd.conf - inetd configuration. See man pages.
/etc/shells - Allowed login shells.
/etc/ftpusers - List of users not allowed to login.
Set to "ftp" and "anonymous" by default.
/etc/ftpwelcome - Message printed to welcome a user at the
ftp server before login.
/etc/motd - "message of today", printed by ftp after
successful login. Also printed by `login(1)'
after successful login.
- To start interactive telnet/rsh/rlogin sessions you need /bin/login.exe
which is a separate package (part of the Cygwin standard net distro).
- inetd:
Under W9X inetd can be started from a shell prompt or from the
autostart folder.
Under NT/W2K inetd must be started from service manager. It
must not be started via SRVANY but it has two new options
to install or remove it as service:
inetd --install-as-service
inetd --remove-as-service
When you already have an older version of inetd installed,
please remove the service before installing the new one.
After you have installed inetd it will be started automatically
on reboot. Manually starting and stopping is possible via
net start inetd
net stop inetd
Current caveat: inetd is visible twice in the process list.
This is currently needed to work correctly with the service
manager. This should be solved in a future release.
If you don't start inetd as service under LocalSystem but under
another account, you have to care that that account has several
user rights set in the user manager resp. local/domain security
policy mmc snap in:
"Act as part of the operating system"
"Replace process level token"
"Increase quotas"
"Logon as a service"
Note that administrators do not have all that user rights set
by default!
For all application started via NT/W2K service manager under
LocalSystem account, the following restrictions apply:
- The environment variable CYGWIN must be either set in the system
environment to be active from start on or you can set CYGWIN thru
the registry:
Under the key HKLM\Software\Cygnus Solutions\Cygwin\Program Options
create a REG_SZ (String) named like the full DOS path to the application,
eg. "C:\usr\bin\inetd.exe" and with the value equal to the preferred
CYGWIN settings, eg "binmode tty ntsec".
- The system environment variable PATH must contain the path
to the directory which contains the cygwin1.dll.
- No user mount point is valid anymore! You have to install all
your mount points in the system mount table. This doesn't
change after you have logged in to a normal user account eg.
via telnet/rlogin. It's possible that we can use the user
mounts as soon as somebody contributes a patch to login and
ftp that allows loading a user hive into the registry after
authentication.
- ftpd:
Under NT/W2K ftpd is now able to change user context with the
help of NT security. This is useful mostly when using all features
of the ntsec option of cygwin. The 'S-' and 'U-' fields in
pw_gecos are taken into account as it's described in
the 'login.README' file.
Anonymous ftp is usable by creating a `ftp' user in /etc/passwd
and either create a `ftp' user in the NT user database or by using
the aforementioned `S-' and `U-' entries in /etc/passwd together
with ntsec ON. If, for example, the cygwin user `ftp' should be
attached to the NT user `guest', you can create the ftp user
from your guest entry:
ftp::100:10:U-guest,S-1-5-21-XXX-YYY-ZZZ-501:/home/ftp:/bin/false
Note that:
- The `ftp' entry needs a valid directory.
- The attached NT user must not have a password.
On 9X systems /etc/passwd is checked for DES encrypted passwords
as provided by the crypt package.
- ftp:
ftp reports to be a UNIX system, so binary mode is ON by default
with most servers.
- On 95/98 systems you need to install the login package and the
crypt package.
...
> I get an error that the service cannot find cygwin1.dll
> When I copy it to /usr/sbin, all works (though I find multiple warnings in the
> system application log)
The path to cygwin1.dll needs to be in the Windows PATH.
> C:\Cygwin\bin is in the system environment's PATH (not in the user's
> environment, so all users get it)
Then I'm not sure why this error happens. Should be gone if the service
is installed correct under System account.
Gerrit
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