<None>
Kai Ng
ng at cfd.di.nrc.ca
Fri Feb 15 03:20:43 AEST 1991
In article <5321 at awdprime.UUCP>, jfh at greenber.austin.ibm.com (John F Haugh II) writes:
|>
|> "If the process has appropriate privileges, the setgid()
|> functions sets the real group ID, effective group ID, and
|> saved set-group-ID to gid."
|> If you execute the setgid() function when the effective GID is not
|> 0, you should see the behavior that you expect.
|> --
|> John F. Haugh II | I've Been Moved | MaBellNet: (512) 838-4340
|> SneakerNet: 809/1D064 | AGAIN ! | VNET: LCCB386 at AUSVMQ
|> BangNet: ..!cs.utexas.edu!ibmchs!auschs!snowball.austin.ibm.com!jfh (e-i-e-i-o)
John,
First of all, how can I reply to you by email. The usr at ...ibm.com addresses
never work.
You are right about the behavior of setgid() and setuid(). If I have mode
set to 6755 and call the setgid() before setuid(), I'll get the result
as I expected.
That means should never trust the manual (or man page). It has never
mentioned the setgid behavior could be under the mercy of setuid.
Thanks for your information.
...Kai
--
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Kai S. Ng Informatics, National Research Council Canada
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