Should these files be setuid?

[David Kramer]

A system change monitoring tool I am using flagged these files as having
been changed to setuid.  Now this tool often reports false positives, so
I am not assured of this, but I could not find any docs on these files,
either.

-r-sr-xr-x   1 root     root        15752 Jul 21  2000 pwdb_chkpwd
-r-sr-xr-x   1 root     root        16376 Jul 21  2000 unix_chkpwd

I checked another (older) machine, which had pwdb_chkpwd with the same
permissions, but unix_chkpwd
 was not there.   There were no man pages, but a find/grep on /usr/doc
showed that pwdb_chkpwd was part of PAM.  unix_chkpwd was not found
anywhere.

Any thoughts?
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