id / mkpasswd

id / mkpasswd

[david.sannier]

  Hi,


I've installed cygwin on W2K.
My account is not local, so I've added it with
`mkpasswd -u <username> -d <domain> >> /etc/passwd`
This seems to work well : it adds the line
with a user id of 109369 (=0x1AB39)
The first time I launched a bash, "I have no name!"
(not exactly what I expected)
So...  What does the id command print ??
-> an uid of 43833 (Now you understand why
I wrote the previous id in hexa) The hex
value of 43833 is 0xAB39... 

I've corrected my /etc/passwd replace the
uid by its [short] version -> works well,
but... It doesn't seem to be a normal behavior !?

Is this already known ? Has someone an explanation ? 
Is it just a storage prb of the user id or is it
mkpasswd that does not properly deal with the sid ?
Did I simply make a mistake ??

Thanks

David Sannier

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Re: id / mkpasswd

[Corinna Vinschen]

On Thu, Jan 03, 2002 at 02:43:38PM +0100, david.sannier@netcourrier.com wrote:
>   Hi,
> 
> 
> I've installed cygwin on W2K.
> My account is not local, so I've added it with
> `mkpasswd -u <username> -d <domain> >> /etc/passwd`
> This seems to work well : it adds the line
> with a user id of 109369 (=0x1AB39)
> The first time I launched a bash, "I have no name!"
> (not exactly what I expected)
> So...  What does the id command print ??
> -> an uid of 43833 (Now you understand why
> I wrote the previous id in hexa) The hex
> value of 43833 is 0xAB39... 
> 
> I've corrected my /etc/passwd replace the
> uid by its [short] version -> works well,
> but... It doesn't seem to be a normal behavior !?
> 
> Is this already known ? Has someone an explanation ? 
> Is it just a storage prb of the user id or is it
> mkpasswd that does not properly deal with the sid ?
> Did I simply make a mistake ??

Nope.  The datatype uid_t is equivalent to unsigned short (16bit).
The mkpasswd tool doesn't take that into account when generating
the uids, unfortunately.

Corinna

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