mirror of
https://gitlab.torproject.org/tpo/core/tor.git
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146 lines
6.3 KiB
Plaintext
146 lines
6.3 KiB
Plaintext
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Legend:
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SPEC!! - Not specified
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SPEC - Spec not finalized
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NICK - nick claims
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ARMA - arma claims
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- Not done
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* Top priority
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. Partially done
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o Done
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D Deferred
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X Abandoned
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. Use a stronger cipher
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o 3des for now
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- aes when we everybody has openssl 0.9.7
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. Topics / circuits
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o Implement topics
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o Rotate circuits after N minutes?
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X Circuits should expire when circuit->expire triggers
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NICK . Handle half-open connections
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- Figure out what causes connections to close, standardize
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when we mark a connection vs when we tear it down
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o Look at what ssl does to keep from mutating data streams
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NICK . On the fly compression of each stream
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o Clean up the event loop (optimize and sanitize)
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ARMA o Remove that awful concept of 'roles'
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ARMA . Exit policies
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o Spec how to write the exit policies
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- Path selection algorithms
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- Let user request certain nodes
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- And disallow certain nodes
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D Choose path by jurisdiction, etc?
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- Rewrite how the AP works
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SPEC!! D Non-clique topologies
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D Implement our own memory management, at least for common structs
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. Appropriate logging
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- Come up with convention for what log level means what
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- Make code follow convention
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o Terminology
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o Circuits, topics, cells stay named that
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o 'Connection' gets divided, or renamed, or something?
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. DNS farm
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o Distribute queries onto the farm, get answers
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o Preemptively grow a new worker before he's needed
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- Prune workers when too many are idle
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o Keep track of which connections are in dns_wait
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o Need to cache positives/negatives on the tor side
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o Keep track of which queries have been asked
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. Better error handling when
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. An address doesn't resolve
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- We have max workers running
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- Consider taking the master out of the loop?
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. Directory servers
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D Automated reputation management
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NICK . Include key in source; sign directories
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o Signed directory backend
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- Document
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ARMA - Integrate
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- Add versions to code
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NICK . Have directories list recommended-versions
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o Include (unused) line in directories
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o Check for presence of line.
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- Quit if running the wrong version
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- Command-line option to override quit
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. Add more information to directory server entries
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o Exit policies
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D jurisdiction? others?
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SPEC!! D Figure out how to do threshold directory servers
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. Scrubbing proxies
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- Find an smtp proxy?
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- Check the old smtp proxy code
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o Find an ftp proxy? wget --passive
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D Wait until there are packet redirectors for Linux
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. Get socks4a support into Mozilla
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. Get tor to act like a socks server
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o socks4, socks4a
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- socks5
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SPEC!! - Handle socks commands other than connect, eg, bind?
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- Develop rendezvous points
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D Implement reply onions
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D Deploy and manage open source development site.
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. Documentation
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o Discussion of socks, tsocks, etc
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o On-the-network protocol
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o Onions
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o Cells
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. Better comments for functions!
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- Tests
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o Testing harness/infrastructure
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NICK . Unit tests
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D System tests (how?)
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- Performance tests, so we know when we've improved
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. webload infrastructure (Bruce)
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. httperf infrastructure (easy to set up)
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. oprofile (installed in RH 8.0)
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D Deploy a widespread network
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. Router twins
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o Choose twin if primary is down, when laying circuit
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D Load balancing between twins
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- Keep track of load over links/nodes, to
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know who's hosed
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NICK - Daemonize and package
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o Teach it to fork and background
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- Red Hat spec file
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- Debian spec file equivalent
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. Autoconf
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. Which .h files are we actually using? Port to:
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o Linux
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o BSD
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. Solaris
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. Windows
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NICK . OS X
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- openssl randomness
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- inet_ntoa, stdint.h
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- Make a script to set up a local network on your machine
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D Move away from openssl
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o Abstract out crypto calls
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D Look at nss, others? Just include code?
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. transition addr to sin_addr (huh?)
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. Clean up the number of places that get to look at prkey
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. Clearer bandwidth management
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- Total rate limiting
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. Look at OR handshake in more detail
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o Spec it
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- Merge OR and OP handshakes
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- But figure out how to indicate if we're OR?
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D Periodic link key rotation. Spec?
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- More flexibility in node addressing
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D Support IPv6 rather than just 4
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- Handle multihomed servers (config variable to set IP)
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. Move from onions to ephemeral DH
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o incremental path building
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- transition circuit-level sendmes to hop-level sendmes
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- implement truncate, truncated
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o move from 192byte DH to 128byte DH, so it isn't so damn slow
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- exiting from not-last hop
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- OP logic to decide to extend/truncate a path
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- make sure exiting from the not-last hop works
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- logic to find last *open* hop, not last hop, in cpath
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- choose exit nodes by exit policies
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