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GitLab is used only for code review, issue tracking and project management. Canonical locations for source code are still https://gitweb.torproject.org/ https://git.torproject.org/ and git-rw.torproject.org.

  • The Tor Project
  • Core
  • Tor
  • Issues
  • #24000

Closed
Open
Opened Oct 26, 2017 by teor@teor

circuit_send_intermediate_onion_skin() and extend_cell_format() should check for IPv6

When circuit_send_intermediate_onion_skin() and extend_cell_format() handle tor_addr_t, they assume they are IPv4.

But in legacy/trac#23502 (moved), we almost wrote code that sent them an IPv6 address. In this case, they put 0.0.0.0 in the extend cell, but they could issue a BUG() warning and refuse to send the cell instead.

Or they could send a proper IPv6 link specifier where the extend cell allows it.

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Reference: tpo/core/tor#24000