Path: utzoo!bnr-vpa!bnr-fos!bmers58!davem From: davem@bmers58.UUCP (Dave Mielke) Newsgroups: comp.unix.wizards Subject: Re: Real and effective userids. Message-ID: <291@bmers58.UUCP> Date: 2 Oct 89 18:26:53 GMT References: <288@bmers58.UUCP> <2204@hydra.gatech.EDU> <1219@virtech.UUCP> Reply-To: davem@bmers58.UUCP (Dave Mielke) Organization: Bell-Northern Research, Ottawa, Canada Lines: 7 In article <1219@virtech.UUCP> cpcahil@virtech.UUCP (Conor P. Cahill) writes: >The real userid is the numerical id of "the user" >that is running a process, as opposed to "the effective" id of the process >that is used to determine whether you can open, create, unlink, etc. a file. This is intuitively the way things should work, but when I open a file from within a setuid program it appears to enforce the access rights of the real userid and not those of the effective userid. Why is this?