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2018-07-05Move literally everything out of src/orNick Mathewson
This commit won't build yet -- it just puts everything in a slightly more logical place. The reasoning here is that "src/core" will hold the stuff that every (or nearly every) tor instance will need in order to do onion routing. Other features (including some necessary ones) will live in "src/feature". The "src/app" directory will hold the stuff needed to have Tor be an application you can actually run. This commit DOES NOT refactor the former contents of src/or into a logical set of acyclic libraries, or change any code at all. That will have to come in the future. We will continue to move things around and split them in the future, but I hope this lays a reasonable groundwork for doing so.
2018-07-01Minimize headers that include crypto_formats and x25519 stuffNick Mathewson
2018-06-20Update copyrights to 2018.Nick Mathewson
2018-04-09test: Add testing module and some unittests for bridges.c.Isis Lovecruft
This roughly doubles our test coverage of the bridges.c module. * ADD new testing module, .../src/test/test_bridges.c. * CHANGE a few function declarations from `static` to `STATIC`. * CHANGE one function in transports.c, transport_get_by_name(), to be mockable. * CLOSES #25425: https://bugs.torproject.org/25425
2017-11-22Stop checking cached bridge descriptors for usable bridgesteor
Stop checking for bridge descriptors when we actually want to know if any bridges are usable. This avoids potential bootstrapping issues. Fixes bug 24367; bugfix on 0.2.0.3-alpha. Stop stalling when bridges are changed at runtime. Stop stalling when old bridge descriptors are cached, but they are not in use. Fixes bug 24367; bugfix on 23347 in 0.3.2.1-alpha.
2017-09-15Run our #else/#endif annotator on our source code.Nick Mathewson
2017-09-12Make clients wait to refresh bridges when they have a recent descriptorteor
But when clients are just starting, make them try each bridge a few times before giving up on it. These changes make the bridge download schedules more explicit: before 17750, they relied on undocumented behaviour and specific schedule entries. (And between 17750 and this fix, they were broken.) Fixes 23347, not in any released version of tor.
2017-03-15Run the copyright update script.Nick Mathewson
2017-02-28Change approach to preventing duplicate guards.Nick Mathewson
Previously I'd made a bad assumption in the implementation of prop271 in 0.3.0.1-alpha: I'd assumed that there couldn't be two guards with the same identity. That's true for non-bridges, but in the bridge case, we allow two bridges to have the same ID if they have different addr:port combinations -- in order to have the same bridge ID running multiple PTs. Fortunately, this assumption wasn't deeply ingrained: we stop enforcing the "one guard per ID" rule in the bridge case, and instead enforce "one guard per <id,addr,port>". We also needed to tweak our implementation of get_bridge_info_for_guard, since it made the same incorrect assumption. Fixes bug 21027; bugfix on 0.3.0.1-alpha.
2016-12-16Merge branch 'prop271_030_v1_squashed'Nick Mathewson
2016-12-16Add some needed accessors/inspectors for bridge/guard convergenceNick Mathewson
2016-12-16Lay down some infrastructure for bridges in the New Guard Order.Nick Mathewson
This includes: * making bridge_info_t exposed but opaque * allowing guards where we don't know an identity * making it possible to learn the identity of a guard * creating a guard that lacks a node_t * remembering a guard's address and port. * Looking up a guard by address and port. * Only enforcing the rule that we need a live consensus to update the "listed" status for guards when we are not using bridges.
2016-11-30Split bridge functions into a new module.Nick Mathewson
This patch is just: * Code movement * Adding headers here and there as needed * Adding a bridges_free_all() with a call to it. It breaks compilation, since the bridge code needed to make exactly 2 calls into entrynodes.c internals. I'll fix those in the next commit.