Re: chroot feature of V.4.0 login(1)

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1 total messages Started by James A Young Tue, 11 Aug 1992 15:29

#157

Author: James A Young
Date: Tue, 11 Aug 1992 15:29

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With some help from a couple of people on the Internet I was able to get
the chroot feature of login(1) to work.  My problem was that my /root/dev 
directory was in a mounted file system.  login(1) calls ttyname(3C), which
checks to see if the following conditions exist when it is searching for 
the file name of the parameter passed in from login(1):

	a) major & minor device numbers
	b) inode number
	c) file system ID

If it fails to match on all three it will settle for just a) AND c).  Since I
had created my sublogin root directory in a mounted file system I never got a
match.

Jim Young					8young@rsvl.unisys.com
Roseville Development Center
Unisys Corp.

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