[tor-bugs] #6907 [arm]: arm simply assumes it is connecting to a local tor instance (which is not necessarily always the case)

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#6907: arm simply assumes it is connecting to a local tor instance (which is not
necessarily always the case)
-------------------------+--------------------------------------------------
 Reporter:  cypherpunkx  |          Owner:  atagar
     Type:  defect       |         Status:  new   
 Priority:  normal       |      Milestone:        
Component:  arm          |        Version:        
 Keywords:               |         Parent:        
   Points:               |   Actualpoints:        
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 It looks like arm simply assumes to connect to a local tor instance:

 - the hostname and kernel version displayed in arm's interface is not from
 the relay (it is from localhost).

 The following warnings are also caused by this assumption:
 {{{
 [ARM_WARN] The torrc differs from what tor's using. You can issue a sighup
 to reload the torrc values by pressing x.
    - torrc values differ
 [ARM_WARN] Unable to read tor's log file: /var/log/tor/log on lines: 2, 3,
 4, 6, 7, 8, 9, 10

 }}}

 Maybe arm could try to detect if it is connecting to a local tor instance
 by comparing the IP from the '-i' parameter with locally configured IP
 adresses?
 An alternative method and probably easier and more reliable: If the pid
 (gathered via 'GETINFO process/pid') does not match one of the pids
 returned by 'pidof tor' it is probably not a local tor instance.

 What do you think?

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/6907>
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