commit b0f04fdb9eb8b28424b7f80e38f4936e5c501b7b
author hnsl <hnsl@webrtc.org> Mon Dec 19 12:10:30 2016
committer Commit bot <commit-bot@chromium.org> Mon Dec 19 12:10:30 2016
tree 00ed65d81538d215bf7cca5d7ff06eb560aa9f7f
parent b6c456b7721529cea59078273bba365d64548825

Add disabled certificate check support to IceServer PeerConnection API.

Refactor "OPT_SSLTCP" renaming it to "OPT_TLS_FAKE", making it clear
that it's not actually some kind of SSL over TCP. Also making it clear
that it's mutually exclusive with OPT_TLS.

Add "OPT_TLS_INSECURE" that implements the new certificate-check
disabled TLS mode, which is also mutually exclusive with the other
TLS options.

PortAllocator: Add a new TLS policy enum TlsCertPolicy which defines
the new insecure mode and added it as a RelayCredentials member.

TurnPort: Add new TLS policy member with appropriate getter and setter
to avoid constructor bloat. Initialize it from the RelayCredentials
after the TurnPort is created.

Expose the new feature in the PeerConnection API via
IceServer.tls_certificate_policy as well as via the Android JNI
PeerConnection API.

For security reasons we ensure that:

	1) The policy is always explicitly initialized to secure.
        2) API users have to explicitly integrate with the feature to
           use it, and will otherwise get no change in behavior.
	3) The feature is not immediately exposed in non-native
	   contexts. For example, disabling of certificate validation
           is not implemented via URI parsing since this would
           immediately allow it to be used from a web page.

BUG=webrtc:6840

Review-Url: https://codereview.webrtc.org/2557803002
Cr-Commit-Position: refs/heads/master@{#15670}