And I've always tried to get rid of such SVCs. -- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 עַם יִשְׂרָאֵל חַי נֵ֣צַח יִשְׂרָאֵ֔ל לֹ֥א יְשַׁקֵּ֖ר
________________________________________ From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> on behalf of Steve Beaver <0000050e0c375a14-dmarc-requ...@listserv.ua.edu> Sent: Monday, November 18, 2024 3:53 PM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Program Authorization: Unauthorized programs calling Authorized External Message: Use Caution I have the code to turn on and off the JSCBAUTH via an SVC but I don’t release that code Sent from my iPhone No one said I could type with one thumb > On Nov 18, 2024, at 14:18, Steve Thompson <ste...@wkyr.net> wrote: > > I don't know if it will work for you, but in different products I've worked > on, we had a test of JSCBAuth(doing this from memory) to see if it showed we > were in an authorized state. If not, we put out a WTO and shutdown with CC > > 8. In your case, you could put out a WTO and pass back to the caller with an > RC= whatever you want to show you can't do this. > > This way you don't do the MODSET and get terminated. > > This is why you might want to see verify that you are authorized before you > do anything that requires authorization. > > Just my 2 cents. > > Steve Thompson > > > >> On 11/18/2024 12:02 PM, Richard Zierdt wrote: >> I wrote an authorized program that displays the contents of control >> registers using the STCTG instruction. Linked AC(1) and stored in an APF >> library. Substantive instructions are: >> >> MODESET MODE=SUP For STCTG instruction >> STCTG 0,15,CRREGS Store (copy) Control Registers >> MODESET MODE=PROB >> >> When called using LINK from an unauthorized program (linked AC(0) to the >> same APF authorized library), an S047 abend occurs at the first MODESET >> macro (which generates an SVC 107). >> >> When the unauthorized program is linked authorized (AC(1)), the call (LINK) >> works. >> >> I thought unauthorized programs can call (LINK) authorized programs, but >> authorized programs cannot call unauthorized programs, or, if they do, they >> lose authorization. >> >> Yes, the program with MODESET MODE=SUP could be made into a PC, but it would >> be easier to avoid that method. >> >> Any elucidation appreciated — Thanks >> Richard Zierdt >> >> Confidentiality Warning/Avertissement de confidentialité: >> >> This message is intended only for the named recipients. This message may >> contain information that is privileged or confidential. If you are not the >> named recipient, its employee or its agent, please notify us immediately and >> permanently destroy this message and any copies you may have. Ce message est >> destiné uniquement aux destinataires dûment nommés. Il peut contenir de >> l'information privilégiée ou confidentielle. Si vous n'êtes pas le >> destinataire dûment nommé, son employé ou son mandataire, veuillez nous >> aviser sans tarder et supprimer ce message ainsi que toute copie qui peut en >> avoir été faite. >> >> ---------------------------------------------------------------------- >> For IBM-MAIN subscribe / signoff / archive access instructions, >> send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
