[Info-vax] Integrity Privilege Difference

[Richard Maher]

Maybe it's exiting the routine before setting the privilege. If it's a UWSS 
then presumably it vets the input parameters before working with them?

Try returning with ss$_abort (or something identifiable so you don't have to 
worry about using a debugger) and just move it down dow down the code.

Worth ruling out a parameter/address/type change between IA64/Alpha before 
looking for anything else.

Cheers Richard Maher



"Williams, Arlen" <arlen.williams at hp.com> wrote in message 
news:mailman.4.1313074090.3397.info-vax_rbnsn.com at rbnsn.com...
It is an installed image of a user written system service written in C.

-----Original Message-----
From: info-vax-bounces at rbnsn.com [mailto:info-vax-bounces at rbnsn.com] On 
Behalf Of Hein RMS van den Heuvel
Sent: Wednesday, August 10, 2011 12:48 PM
To: info-vax at rbnsn.com
Subject: Re: [Info-vax] Integrity Privilege Difference

On Aug 10, 10:23 am, "Williams, Arlen" <arlen.willi... at hp.com> wrote:
> I am migrating some code from Alpha to Integrity and have run into a 
> difference. > At some point in the code it goes into EXEC mode and adds a 
> privilege to the current privileges. On the Alpha, when it goes back in 
> USER mode, the added privilege is still there.

In the same image activation? Or a next image.
Are installed images in play here?

> But on Integrity, the added privilege is no longer there.

Where you able to positively verify that the privs were there 'for a
while'?

> Is this the way it is supposed to be working?

Noop.

> Is this a change that I can find in documentation somewhere? Is there a 
> way to keep this functionality the same?

Gotta think it is a programming issue, bad data structure or some
such.

I have a tiny tool to grab other privs, once granted CMEXEC.
Works fine for me, an Alpha and Itanium alike.
That example leaves the privs set as requested by 'prmflg=1
( $ help sys $setprv arg )

fwiw,
Hein

#include descrip
#include prvdef
#include stdio
#include string
typedef struct { short len, cod; void *address; int *retlen; } item;
typedef struct { long count; void *address; } desc;
int     sys$setprv(), sys$cmexec();
main(int argc, char *argv[]) {
    __int64 privs_step_1 = PRV$M_CMEXEC ;
    __int64 privs_step_2 = PRV$M_SYSGBL | PRV$M_SYSNAM | PRV$M_SYSLCK;
    int     setprv_args[]  = { 4, 1, (int) &privs_step_2, 1, 0 };
    int     status, i;
    status = sys$setprv ( 1, &privs_step_1, 0, 0);
    if (status & 1) {
       status = sys$cmexec (&sys$setprv, setprv_args);
    } else {
        printf ("Sorry... could not get required CMEXEC, privs.\n");
    }
return status;
}



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