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[tor-bugs] #23975 [Core Tor/Tor]: Make node_get_*_orport() check addresses in the right order
#23975: Make node_get_*_orport() check addresses in the right order
------------------------------+--------------------------------
Reporter: teor | Owner: (none)
Type: defect | Status: new
Priority: Medium | Milestone: Tor: 0.3.3.x-final
Component: Core Tor/Tor | Version: Tor: 0.2.8.1-alpha
Severity: Normal | Keywords: ipv6, regression
Actual Points: | Parent ID: #20916
Points: 1 | Reviewer:
Sponsor: |
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node_get_pref_ipv6_orport() and node_get_prim_orport() check addresses in
the following order:
* routerinfo / descriptor (modified by rewrite_bridge_address_for_node())
* routerstatus / consensus
* microdesc
Clients, bridge clients, and relays usually get the correct address from
node_get_pref_ipv6_orport() and node_get_prim_orport(), whether they are
using microdescriptors or not.
But there are a few cases when this breaks:
* bridge clients should only check routerinfo for configured bridges
* all clients and relays that use microdescs should never check full
descriptors (and vice versa, except for the bridge case)
* all clients and relays that use full descriptors should ignore the IPv6
address in the descriptor
* all clients and relays that use microdescriptors should ignore the IPv6
address in the microdescriptor, when using a consensus method that puts
IPv6 addresses in the microdesc consensus, otherwise they should use the
microdescriptor
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/23975>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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