> On 13 Jul 2015, at 19:10, Baptiste Daroussin <b...@freebsd.org> wrote:
>
> On Mon, Jul 13, 2015 at 10:36:28AM +0200, Baptiste Daroussin wrote:
>> On Mon, Jul 13, 2015 at 04:57:32PM +1000, Jan Mikkelsen wrote:
>>> Hi,
>>>
>>> In our system build scripts we have this command:
>>>
>>> /usr/sbin/pw -V $d useradd toor -u 0 -g 0 -d /root -s /bin/sh -c
>>> "Bourne-again Superuser" -g wheel -o
>>>
>>> After 10.2-BETA1, the toor account is being added with UID 1001 instead of
>>> UID 0. This looks like a problem with line 754 in pw_user.c, which has this
>>> test:
>>>
>>> /*
>>> * Check the given uid, if any
>>> */
>>> if (id > 0) {
>>> uid = (uid_t) id;
>>>
>>> if ((pwd = GETPWUID(uid)) != NULL && conf.checkduplicate)
>>> errx(EX_DATAERR, "uid `%u' has already been
>>> allocated", pwd->pw_uid);
>>> } else {
>>> struct bitmap bm;
>>>
>>>
>>> The (id > 0) test should probably be (id >= 0) to allow “-u 0” to be passed
>>> on the command line.
>>>
>>> This change is from r285092 by bapt@. Was this change in behaviour
>>> intentional?
>>
>> Nope, I'll fix asap
>>
>> Thanks for reporting
>>
>> Best regards,
>> Bapt
>
> Fixed in head, will be merged soon in stable, I also added a regression test
> about this.
>
> Please note that you do add -g 0 and -g wheel in your command line, this is
> buggy, only one should be specified.
>
> Best regards,
> bapt
The next problem is that the meaning of the -o option seems to have been
reversed. Setting -o sets conf.checkduplicate to true, which is then tested in
the code fragment above. Setting -o is meant to prevent duplicate checking, not
turn it on.
My guess is that this isn’t intentional either.
Also: The policy for auto-allocating group identifiers seems to have changed.
For UIDs < 1000 the old pw allocated a GID the same as the UID. This pw
allocates the next available above 1000. I can see an argument for both cases
and I’ve changed our build scripts to deal with this but I’m curious: Was this
intentional also?
Regards,
Jan.
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