Re: Running Scripts

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Uwe Thiem wrote:
> I am out of ideas - and still a bit puzzled how
/usr/bin/env got involved (see
> original post).

Heh, if we had enough trust, I'd remote login to the server
and see what's wrong by myself 


- --
Arturo "Buanzo" Busleiman - Consultor
Independiente en Seguridad Informatica
SHOW DE FUTURABANDA - Sabado 18 de Agosto 2007 (Speed King,
Capital Federal)
Entradas anticipadas a traves de www.futurabanda.com.ar -
Punk Rock Melodico


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HI,

* GREG LINDSTROM <GSLINDSTROMGMAIL.COM> [27/07/07
12:18]:
> HELLO-
> 
> I AM PROGRAMMING PYTHON (2.4.1) SCRIPTS TO RUN ON OUR
GENTOO BOXES AND AM
> HAVING A BIT OF TROUBLE I WAS HOPING YOU COULD HELP ME
WITH.  MY FILE,
> HELLO.PY LOOKS LIKE THIS:
> 
> #!/USR/BIN/PYTHON
> PRINT 'HELLO, PYTHON'
> 
> I ADD EXECUTE PERMISSION TO THE FILE AND TRY TO RUN IT
AS FOLLOWS:
> 
> MYPROMPT $ ./HELLO.PY
> 
> AND GET
> 
> -BASH: ./HELLO.PY: /USR/BIN/ENV: BAD INTERPRETER:
PERMISSION DENIED
> 
> RUNNING /USR/BIN/PYTHON BRINGS UP THE PYTHON SHELL, SO
THAT'S IN PLACE.
> 
> WHAT AM I MISSING TO RUN THESE FILES (THEY RUN FINE
WITH I TYPE IN 'PYTHON'
> BEFORE THE FILENAME).  BTW, I HAVE THE SAME ISSUE
RUNNING PERL SCRIPTS WHICH
> IS WHY I'M ASKING THE QUESTION HERE.
> 

DID YOU MANAGE TO RUN SUCH SCRIPTS LOCATED IN OTHER
DIRECTORIES? I THINK 
YOU NEED SUPPORT IN THE KERNEL FOR SUCH SCRIPTS. DO YOU SEE

CONFIG_BINFMT_MISC=Y

IN /PROC/CONFIG.GZ?

MOSHE

> THANKS FOR YOUR HELP,
> 
> --GREG

HI,

* GREG LINDSTROM <GSLINDSTROMGMAIL.COM> [27/07/07
12:18]:
> HELLO-
> 
> I AM PROGRAMMING PYTHON (2.4.1) SCRIPTS TO RUN ON OUR
GENTOO BOXES AND AM
> HAVING A BIT OF TROUBLE I WAS HOPING YOU COULD HELP ME
WITH.  MY FILE,
> HELLO.PY LOOKS LIKE THIS:
> 
> #!/USR/BIN/PYTHON
> PRINT 'HELLO, PYTHON'
> 
> I ADD EXECUTE PERMISSION TO THE FILE AND TRY TO RUN IT
AS FOLLOWS:
> 
> MYPROMPT $ ./HELLO.PY
> 
> AND GET
> 
> -BASH: ./HELLO.PY: /USR/BIN/ENV: BAD INTERPRETER:
PERMISSION DENIED
> 
> RUNNING /USR/BIN/PYTHON BRINGS UP THE PYTHON SHELL, SO
THAT'S IN PLACE.
> 
> WHAT AM I MISSING TO RUN THESE FILES (THEY RUN FINE
WITH I TYPE IN 'PYTHON'
> BEFORE THE FILENAME).  BTW, I HAVE THE SAME ISSUE
RUNNING PERL SCRIPTS WHICH
> IS WHY I'M ASKING THE QUESTION HERE.
> 

DID YOU MANAGE TO RUN SUCH SCRIPTS LOCATED IN OTHER
DIRECTORIES? I THINK 
YOU NEED SUPPORT IN THE KERNEL FOR SUCH SCRIPTS. DO YOU SEE

CONFIG_BINFMT_MISC=Y

IN /PROC/CONFIG.GZ?

MOSHE

> THANKS FOR YOUR HELP,
> 
> --GREG

Uwe Thiem writes:


> I am out of ideas - and still a bit puzzled how
/usr/bin/env got 
> involved (see original post).

According to the od output, the first line is not
"#!/usr/bin/python", 
but "#!/usr/bin/env python". But that seems to
work well for me, too.

I'd try to put the script onto several file systems and try
out what 
happens there. emerge starts with "#!/usr/bin/python
-O", and I guess 
this is still working. 

	Alex
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On Fri, 27 Jul 2007 13:13:08 -0500
Greg Lindstrom wrote:

..[snip]...

> I'm not sure what you are asking here.
> 
> $ ls -l /usr/bin/env
> lrwxrwxrwx 1 root root 8 May 18  2006 /usr/bin/env
-> /bin/env
> 
> $ ls -l /usr/bin/python
> lrwxrwxrwx 1 root root 9 May 18  2006 /usr/bin/python
-> python2.4

This looks suspicious to me.  /usr/bin/python is a symlink
to
python2.4.  

Where is python2.4?  Is it on your path?  

Can you run it with command "python2.4" ???

What do the following commands report:

   which python
   which python2.4

HTH.

Regards,

David
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On 29 July 2007, David Relson wrote:
> On Fri, 27 Jul 2007 13:13:08 -0500
> Greg Lindstrom wrote:
>
> ..[snip]...
>
> > I'm not sure what you are asking here.
> >
> > $ ls -l /usr/bin/env
> > lrwxrwxrwx 1 root root 8 May 18  2006 /usr/bin/env
-> /bin/env
> >
> > $ ls -l /usr/bin/python
> > lrwxrwxrwx 1 root root 9 May 18  2006
/usr/bin/python -> python2.4
>
> This looks suspicious to me.  /usr/bin/python is a
symlink to
> python2.4.
>
> Where is python2.4?  Is it on your path?

Nothing suspicious here. /usr/bin/python is a symlink to
/usr/bin/puthon2.4 - 
at least on a gentoo system. And while python2.4 *is* in the
path 
(because /usr/bin is), it doesn't really matter as long as
/usr/bin/python 
is.

Uwe

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This error:

bash: ./hello.py: /usr/bin/env: bad interpreter: Permission
denied

Means exactly that "/usr/bin/env is not a balid
interpreter, because you don't have permission to
execute it".

Gives us the output of the "id" command, and ls -l
/usr/bin/env, of course, run the "id" command
from the user you were logged in when trying the hello.py
script.

- --
Arturo "Buanzo" Busleiman - Consultor
Independiente en Seguridad Informatica
SHOW DE FUTURABANDA - Sabado 18 de Agosto 2007 (Speed King,
Capital Federal)
Entradas anticipadas a traves de www.futurabanda.com.ar -
Punk Rock Melodico


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