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Date: Mon, 22 Sep 2008 15:38:51 +0300
From: "Kirill A. Shutemov" <kirill@shutemov.name>
To: ALT Linux Team development discussions <devel@lists.altlinux.org>
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Subject: Re: [devel] Q: sgid
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On Mon, Sep 22, 2008 at 04:32:42PM +0400, Vladimir Lettiev wrote:
> =D0=94=D0=BE=D0=B1=D1=80=D1=8B=D0=B9 =D0=B4=D0=B5=D0=BD=D1=8C.
>=20
> =D0=92=D0=BE=D1=82 =D1=82=D0=B0=D0=BA=D0=BE=D0=B9 =D0=BA=D0=BE=D0=B4:
>=20
> #include <stdio.h>
> #include <stdlib.h>
> #include <grp.h>
>=20
> int main(int argc, char *argv[]) {
> 	gid_t egid;
> 	struct group *group;
>=20
> 	egid =3D getegid ();
> 	group =3D getgrgid (egid);
> =09
> 	fprintf (stderr, "egid: %d, egroup: %s\n", egid, group->gr_name);
> }
>=20
> =D1=81=D0=BA=D0=BE=D0=BC=D0=BF=D0=B8=D0=BB=D0=B8=D1=80=D0=BE=D0=B2=D0=B0=
=D0=BB, =D0=BF=D0=BE=D0=BC=D0=B5=D0=BD=D1=8F=D0=BB =D0=B3=D1=80=D1=83=D0=BF=
=D0=BF=D1=83 =D0=B2=D0=BB=D0=B0=D0=B4=D0=B5=D0=BB=D1=8C=D1=86=D0=B0 =D0=BD=
=D0=B0 root, =D1=83=D1=81=D1=82=D0=B0=D0=BD=D0=BE=D0=B2=D0=B8=D0=BB sgid =
=D1=84=D0=BB=D0=B0=D0=B3
>=20
> $ gcc -o program program.c
> $ sudo chgrp root program
> $ sudo chmod 2755 program
>=20
> $ ./program
> egid:500, egroup:crux
>=20
> ?
>=20
> =D0=AD=D1=82=D0=BE =D0=B2=D1=81=D1=91 =D0=BF=D1=80=D0=BE=D0=B8=D1=81=D1=
=85=D0=BE=D0=B4=D0=B8=D1=82 =D0=BD=D0=B0 =D1=81=D0=B8=D1=81=D1=82=D0=B5=D0=
=BC=D0=B5 =D1=81 ALT Sisyphus.
> =D0=A2=D0=B0=D0=B6=D0=B5 =D1=81=D0=B0=D0=BC=D0=B0=D1=8F =D0=BF=D1=80=D0=
=BE=D0=B3=D1=80=D0=B0=D0=BC=D0=BC=D0=B0 =D1=81=D0=BE=D0=B1=D1=80=D0=B0=D0=
=BD=D0=BD=D0=B0=D1=8F =D0=B2 ubuntu, =D0=BA=D0=B0=D0=BA =D0=B8 =D0=BE=D0=B6=
=D0=B8=D0=B4=D0=B0=D0=BB=D0=BE=D1=81=D1=8C, =D0=B2=D1=8B=D0=B4=D0=B0=D1=91=
=D1=82:
> egid:0, egroup: root
>=20
> =D0=9F=D0=BE=D1=87=D0=B5=D0=BC=D1=83 =D1=82=D0=B0=D0=BA?

=D0=A4=D0=B0=D0=B9=D0=BB=D0=BE=D0=B2=D0=B0=D1=8F =D1=81=D0=B8=D1=81=D1=82=
=D0=B5=D0=BC=D0=B0 =D1=81=D0=BC=D0=BE=D0=BD=D1=82=D0=B8=D1=80=D0=BE=D0=B2=
=D0=B0=D0=BD=D0=B0 =D1=81 nosuid?

--=20
Regards,  Kirill A. Shutemov
 + Belarus, Minsk
 + ALT Linux Team, http://www.altlinux.com/

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