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X-HELO:	calimero.vinschen.de
Date:	Wed, 3 Aug 2016 20:16:49 +0200
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: /dev/ptmx fails with Azure accounts
Message-ID:	<20160803181649.GD25811@calimero.vinschen.de>
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References:	<1470156870 DOT 684316691 AT apps DOT rackspace DOT com> <20160803143207 DOT GB17526 AT calimero DOT vinschen DOT de> <1470243211 DOT 01868925 AT apps DOT rackspace DOT com> <20160803180012 DOT GC25811 AT calimero DOT vinschen DOT de>
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On Aug  3 20:00, Corinna Vinschen wrote:
> On Aug  3 12:53, rmora AT aboutgolf DOT com wrote:
> >=20
> >=20
> > On Wednesday, August 3, 2016 10:32, "Corinna Vinschen" <corinna-cygwin@=
cygwin.com> said:
> > >=20
> > > In the meantime I prepared my test application.  Can you please fetch
> > > the attached source and store it as, e.g., azure-check.c.  Then build
> > > and run it like this:
> > >=20
> > >   $ gcc -g -o azure-check azure-check.c -lnetapi32
> > >   $ ./azure-check
> > >=20
> > > Then run it and paste the complete output into your reply.
> > >=20
> > > I have an idea for an extension of this testcase, but I think I have
> > > to see the output of this one first.
> >=20
> > The output is as below. This was without Run As Administrator - with
> > it the Group 0 Sid changed to S-1-16-12288/High Mandatory Level, which
> > *seems* appropriate....
>=20
> It is.  Thanks for this test, the result is as horrifying as I imagined.
> Can you please try the testcase attached to this mail, too?  It should
> be built and run the same way:
>=20
>   $ gcc -g -o azure-check2 azure-check2.c -lnetapi32
>   $ ./azure-check2

Pleae use the one attached in this mail.  I noticed I forgot to print
primary group info.  It's not unimportant to see it as well.


Thanks,
Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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#include <stdio.h>
#define _WIN32_WINNT 0x0a00
#define WINVER 0x0a00
#include <windows.h>
#include <lm.h>
#include <sddl.h>

int
main ()
{
  HANDLE tok;
  PTOKEN_USER tp =3D (PTOKEN_USER) malloc (65536);
  DWORD ret;
  LPSTR str;
  WCHAR name[256];
  WCHAR dom[256];
  DWORD nlen, dlen;
  SID_NAME_USE type;
  NET_API_STATUS status;
  PUSER_INFO_24 ui24;

  if (!OpenProcessToken (GetCurrentProcess (), TOKEN_QUERY, &tok))
    {
      printf ("OpenProcessToken: %u\n", GetLastError ());
      return 1;
    }
  if (!GetTokenInformation (tok, TokenUser, tp, 65536, &ret))
    {
      printf ("GetTokenInformation(user): %u\n", GetLastError ());
      return 1;
    }
  ConvertSidToStringSidA (tp->User.Sid, &str);
  printf ("  Sid: %s\n", str);
  LocalFree (str);
  nlen =3D dlen =3D 256;
  if (LookupAccountSidW (NULL, tp->User.Sid, name, &nlen,=20
			 dom, &dlen, &type))
    printf ("Dom\\Name: %ls\\%ls\n", dom, name);
  else
    printf ("LookupAccountSidW: %u\n", GetLastError ());

  PTOKEN_PRIMARY_GROUP tpg =3D (PTOKEN_PRIMARY_GROUP) malloc (65536);
  if (GetTokenInformation (tok, TokenPrimaryGroup, tpg, 65536, &ret))
    {
      printf ("Primary Group:\n");
      ConvertSidToStringSidA (tpg->PrimaryGroup, &str);
      printf ("  Sid: %s\n", str);
      LocalFree (str);

      nlen =3D dlen =3D 256;
      if (LookupAccountSidW (NULL, tpg->PrimaryGroup, name, &nlen,=20
			     dom, &dlen, &type))
	printf ("  Dom\\Name: %ls\\%ls\n", dom, name);
      else
	printf ("  LookupAccountSidW: %u\n", GetLastError ());
    }
  else
    printf ("GetTokenInformation(primary): %u\n", GetLastError ());
  free (tpg);

  status =3D NetUserGetInfo (NULL, name, 24, (PBYTE *) &ui24);
  if (status !=3D NERR_Success)
    {
      status =3D NetUserGetInfo (dom, name, 24, (PBYTE *) &ui24);
      if (status !=3D NERR_Success)
	{
	  printf ("NetUserGetInfo: %u\n", status);
	  return 1;
	}
    }
  printf ("UserInfo:\n");
  printf ("  InternetIdentity: %d\n", ui24->usri24_internet_identity);
  printf ("  Flags: 0x%08x\n", ui24->usri24_flags);
  printf ("  ProviderName: %ls\n", ui24->usri24_internet_provider_name);
  printf ("  PrincipalName: %ls\n", ui24->usri24_internet_principal_name);
  ConvertSidToStringSidA (ui24->usri24_user_sid, &str);
  printf ("  Sid: %s\n", str);
  LocalFree (str);

  return 0;
}

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