[MacPorts] #37766: htop: binary should be installed SGID procmod, not SUID root

[MacPorts]

#37766: htop: binary should be installed SGID procmod, not SUID root
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  Reporter:  michael.klein@…  |      Owner:  cal@…
      Type:  defect           |     Status:  reopened
  Priority:  High             |  Milestone:
 Component:  ports            |    Version:  2.1.2
Resolution:                   |   Keywords:  haspatch
      Port:  htop             |
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Comment (by raimue@…):

 Replying to [comment:11 cal@…]:
 > Please do not close this issue until we have discussed if (and how) full
 functionality of htop can be restored without SUID root.

 I doubt this can be restored. For example, `/bin/ps` is also configured as
 SUID root. If you lower it's permissions it only shows the base name in
 parentheses for processes of other users. As far as I checked, both are
 using `task_for_pid()` and `task_info()`, which are restricted to root or
 signed applications (via authorization policies controlled by taskgated(8)
 using rules from `/etc/authorization`).

 According to man page taskgated(8), legacy versions of OS X granted
 permissions for procmod and procview. I am not even sure whether the group
 procmod does anything useful at the moment. I did not notice a change in
 the behavior of htop whether the permissions are ''root:procmod 2755'' or
 ''root:admin 0755''.

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Ticket URL: <https://trac.macports.org/ticket/37766#comment:12>
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