Re: [9fans] linux 9p: uid & gid

[Charles Forsyth <charles.forsyth@gmail.com>]

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4294967294 probably started off as -2, which some systems used for user
"nobody"

On Thu, Jun 20, 2019 at 4:04 PM Oleg <lego12239@yandex.ru> wrote:

> Hi, all.
>
> I wrote a 9p fs with help of libixp and after mounting i see strange uid
> and
> gid numbers for files:
>
> ~# mount -t 9p -o trans=unix,noextend q t
> ~# ls -l t
> -rw-rw-rw- 1 4294967294 4294967294 1 Jan  1  1970 conf
> -rw-rw-rw- 1 4294967294 4294967294 1 Jan  1  1970 data
> -rw-rw-rw- 1 4294967294 4294967294 1 Jan  1  1970 stat
>
> If i do mount with dfltuid and dfltgid, i get normal values:
>
> ~# mount -t 9p -o
> trans=unix,noextend,trans=unix,noextend,dfltuid=0,dfltgid=0 q t
> ~# ls -l t
> -rw-rw-rw- 1 root root 1 Jan  1  1970 conf
> -rw-rw-rw- 1 root root 1 Jan  1  1970 data
> -rw-rw-rw- 1 root root 1 Jan  1  1970 stat
>
> But in any case chown call to these files sends empty uid and gid strings
> in
> wstat T-message.
>
> Is there any way to make uid & gid works as expected?
>
> Thanks.
>
> --
> Олег Неманов (Oleg Nemanov)
>
>

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