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David Benjamin e470690633 Align SSL_set_{min,max}_version with upstream. 
Upstream added these functions after we did but decided to change the
names slightly. I'm not sure why they wanted to add the "proto" in
there, but align with them nonetheless so the ecosystem only has one set
of these functions.

BUG=90

Change-Id: Ia9863c58c9734374092051f02952b112806040cc
Reviewed-on: https://boringssl-review.googlesource.com/11123
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
2016-09-21 20:06:18 +00:00
..
runner Don't return invalid versions in version_from_wire. 2016-09-21 19:51:45 +00:00
async_bio.cc Replace Scoped* heap types with bssl::UniquePtr. 2016-09-01 22:22:54 +00:00
async_bio.h Replace Scoped* heap types with bssl::UniquePtr. 2016-09-01 22:22:54 +00:00
bssl_shim.cc Align SSL_set_{min,max}_version with upstream. 2016-09-21 20:06:18 +00:00
CMakeLists.txt Add malloc test support to unit tests. 2015-05-21 17:59:48 +00:00
packeted_bio.cc Replace Scoped* heap types with bssl::UniquePtr. 2016-09-01 22:22:54 +00:00
packeted_bio.h Replace Scoped* heap types with bssl::UniquePtr. 2016-09-01 22:22:54 +00:00
PORTING.md Fix typo. 2016-08-16 18:05:47 +00:00
README.md Adding PORTING.md for instructions on how to port the test runner 2016-08-16 17:53:28 +00:00
test_config.cc Remove SSL_set_fallback_version. 2016-09-21 17:03:42 +00:00
test_config.h Remove SSL_set_fallback_version. 2016-09-21 17:03:42 +00:00

README.md

BoringSSL SSL Tests

This directory contains BoringSSL's protocol-level test suite.

Testing a TLS implementation can be difficult. We need to produce invalid but sufficiently correct handshakes to get our implementation close to its edge cases. TLS's cryptographic steps mean we cannot use a transcript and effectively need a TLS implementation on the other end. But we do not wish to litter BoringSSL with options for bugs to test against.

Instead, we use a fork of the Go crypto/tls package, heavily patched with configurable bugs. This code, along with a test suite and harness written in Go, lives in the runner directory. The harness runs BoringSSL via a C/C++ shim binary which lives in this directory. All communication with the shim binary occurs with command-line flags, sockets, and standard I/O.

This strategy also ensures we always test against a second implementation. All features should be implemented twice, once in C for BoringSSL and once in Go for testing. If possible, the Go code should be suitable for potentially upstreaming. However, sometimes test code has different needs. For example, our test DTLS code enforces strict ordering on sequence numbers and has controlled packet drop simulation.

To run the tests manually, run go test from the runner directory. It takes command-line flags found at the top of runner/runner.go. The -help option also works after using go test -c to make a runner.test binary first.

If adding a new test, these files may be a good starting point:

  • runner/runner.go: the test harness and all the individual tests.
  • runner/common.go: contains the Config and ProtocolBugs struct which control the Go TLS implementation's behavior.
  • test_config.h, test_config.cc: the command-line flags which control the shim's behavior.
  • bssl_shim.cc: the shim binary itself.

For porting the test suite to a different implementation see PORTING.md.