Date: Wed, 29 May 2002 12:09:53 +1200 From: Jonathan Chen <jonc@chen.org.nz> To: Daniel Blankensteiner <db@traceroute.dk> Cc: freebsd-questions@freebsd.org Subject: Re: I386<<FreeBSD 4.5<<getlogin() Message-ID: <20020529120953.A61017@grimoire.chen.org.nz> In-Reply-To: <00f501c20696$f970de60$6800a8c0@rafter>; from db@traceroute.dk on Wed, May 29, 2002 at 12:28:21AM %2B0200 References: <005401c2068a$35c1ebf0$6800a8c0@rafter> <20020529100157.B60716@grimoire.chen.org.nz> <00f501c20696$f970de60$6800a8c0@rafter>
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On Wed, May 29, 2002 at 12:28:21AM +0200, Daniel Blankensteiner wrote:
> But why does getlogin() give me "root", when I have su'ed to testuser?
Because you logged in as "root". getuid() will return "testuser".
> And what is the difference between a real and effective user?
real and effective user ids may be different, possibly when you run
setuid programs. Dunno if this helps what you're trying to achieve.
--
Jonathan Chen <jonc@chen.org.nz>
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