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Re: strace on inetd (was RE: bash failed to initialize on telnet/rsh/ rlogin server)


On Thu, Mar 28, 2002 at 01:09:29AM -0600, Chris Polley wrote:
>On Wed, 27 Mar 2002 19:20:19 -0500, you wrote:
>>On Wed, Mar 27, 2002@02:20:35PM -0600, Polley Christopher W wrote:
>>>Are there more complete instructions to strace besides --help, the
>>>Cygwin user guide, or winsup/utils/utils.sgml (all essentially the same
>>>thing)?
>>
>>If we had better documentation why would it be hidden?
>
>I didn't think it was "hidden", I only humbly thought there might be a
>more detailed document that the more clueful users on this list had
>awareness of.  I'm sorry if I've offended you by my query.

Give me a break.  I was making a simple statement.

>>The best documentation is the source code.  In this case, the use of
>>strace -p would require that you do your debugging from an account which
>>had the ability to access the executing pid.  If you are running inetd
>>from a privileged account and stracing from a user account that won't
>>work for hopefully obvious reasons.
>Well, inetd is running from the system account (18).  The user account
>I was using to run strace has local (machine) administrator privileges
>(i.e. is in the machine's "Administrators" group.)  Is this
>sufficiently privileged? 
>
>Is the silent failure (immediate exit from strace) I observed a result
>of this lack of privilege?

Don't know.

>Could I instead put 
>telnet stream tcp nowait root /usr/bin/strace strace -o
>/strace_telnetd.log all /usr/bin/in.telnetd 
>in inetd.conf?  Or will this cause problems?

Possibly.  strace is not a cygwin program, though.  You'd have to use
MS-DOS paths and putting a non-cygwin program in there might cause
different behavior.

cgf

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