circumvention: add the tor experiment (#100)

* go.mod go.sum: update all non-probe-engine deps

For each line in the go.mod, run `go get -u -v $package` if the
line is not an indirect dependency and is not probe-engine.

Upgrading probe-engine is going to require the same spell that
is used in probe-engine to update psiphon.

* go get -v github.com/ooni/probe-engine@v0.5.0

This just pins to the latest probe-engine but we've not manually
pinned all the other dependencieds yet.

Take care of the trivial API changes in probe-engine as well, such
that we can have a working build after this commit.

* go.mod go.sum: pin to probe-engine dependencies

Basically: remove all indirect dependencies. Merge this go.mod with
the one of probe-engine, to pin dependencies. Run `go mod tidy`.

* circumvention: add basic implementation of tor

This needs to be polished further, of course. But at least we have
now added support for running tor in the circumvention group.

* Readme.md: document how to update dependencies

* go get -v github.com/ooni/probe-engine@fcc9ee0a7afb

* go get -v github.com/ooni/probe-engine@4d254f5b2

* nettests/tor.go: implement summary test keys
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Simone Basso 2020-01-28 10:05:54 +01:00 committed by GitHub
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@ -31,6 +31,22 @@ Be sure you have golang >= 1.13. We use golang modules. Run
to get information on the supported systems as well as to get
instructions on how to install dependencies.
## Updating dependencies
1. update every direct dependency in `go.mod` except `probe-engine`
using `go get -u -v $dependency`
2. pin to the latest version of the `probe-engine` with
`go get -v github.com/ooni/probe-engine@tag`
3. remove all indirect dependencies from `go.mod` and merge the
content of `probe-engine`'s `go.mod` into our `go.mod`
4. `go mod tidy`
The rationale of this procedure is that we want to pin exactly to
a specific version of psiphon and of its dependencies.
## Releasing
```