Add implementation of mTLS for dynamic backends (fastly#297)

* Update typenames.witx with the new extensions.
* Support mTLS for dynamic backends.
* Add a test case for mTLS.
* Require fastly 0.9.6, which has mTLS support for dynamic backends.

Cargo.toml

@@ -22,10 +22,14 @@ opt-level = 1
 
 [workspace.dependencies]
 anyhow = "1.0.31"
+base64 = "0.21.2"
 hyper = { version = "=0.14.26", features = ["full"] }
 itertools = "0.10.5"
+rustls = { version = "0.21.5", features = ["dangerous_configuration"] }
+rustls-pemfile = "1.0.3"
 serde_json = "1.0.59"
 tokio = { version = "1.21.2", features = ["full"] }
+tokio-rustls = "0.24.1"
 tracing = "0.1.37"
 tracing-futures = "0.2.5"
 futures = "0.3.24"

cli/Cargo.toml

@@ -31,11 +31,16 @@ path = "src/main.rs"
 
 [dependencies]
 anyhow = { workspace = true }
+base64 = { workspace = true }
 hyper = { workspace = true }
 itertools = { workspace = true }
 serde_json = { workspace = true }
 clap = { version = "^4.0.18", features = ["derive"] }
+rustls = { workspace = true }
+rustls-pemfile = { workspace = true }
+tls-listener = { version = "^0.7.0", features = ["rustls", "hyper-h1", "tokio-net", "rt"] }
 tokio = { workspace = true }
+tokio-rustls = { workspace = true }
 tracing = { workspace = true }
 tracing-futures = { workspace = true }
 tracing-subscriber = { version = "^0.3.16", features = ["env-filter", "fmt"] }