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|
use std::fs;
use std::io::Write;
use rustls::version::{TLS12, TLS13};
use rustls::{
ClientConfig, ClientConnection, ServerConfig, ServerConnection, SupportedProtocolVersion,
};
// These tests exercise rustls_fuzzing_provider and makes sure it can
// handshake with itself without errors.
//
// Transcripts are written into the fuzzing corpus.
#[test]
fn pairwise_tls12() {
let transcript = test_version(&TLS12);
fs::write(
"../fuzz/corpus/unbuffered/tls12-server.bin",
[&[0u8], &transcript.server_wrote[..]].concat(),
)
.unwrap();
fs::write(
"../fuzz/corpus/unbuffered/tls12-client.bin",
[&[1u8], &transcript.client_wrote[..]].concat(),
)
.unwrap();
fs::write(
"../fuzz/corpus/server/buffered-tls12-client.bin",
[&[0u8], &transcript.client_wrote[..]].concat(),
)
.unwrap();
fs::write(
"../fuzz/corpus/server/accepter-tls12-client.bin",
[&[1u8], &transcript.client_wrote[..]].concat(),
)
.unwrap();
fs::write(
"../fuzz/corpus/client/tls12-server.bin",
&transcript.server_wrote,
)
.unwrap();
}
#[test]
fn pairwise_tls13() {
let transcript = test_version(&TLS13);
fs::write(
"../fuzz/corpus/unbuffered/tls13-server.bin",
[&[0u8], &transcript.server_wrote[..]].concat(),
)
.unwrap();
fs::write(
"../fuzz/corpus/unbuffered/tls13-client.bin",
[&[1u8], &transcript.client_wrote[..]].concat(),
)
.unwrap();
fs::write(
"../fuzz/corpus/server/buffered-tls13-client.bin",
[&[0u8], &transcript.client_wrote[..]].concat(),
)
.unwrap();
fs::write(
"../fuzz/corpus/server/accepter-tls13-client.bin",
[&[1u8], &transcript.client_wrote[..]].concat(),
)
.unwrap();
fs::write(
"../fuzz/corpus/client/tls13-server.bin",
&transcript.server_wrote,
)
.unwrap();
}
fn test_version(version: &'static SupportedProtocolVersion) -> Transcript {
let _ = env_logger::try_init();
let server_config =
ServerConfig::builder_with_provider(rustls_fuzzing_provider::provider().into())
.with_protocol_versions(&[version])
.unwrap()
.with_no_client_auth()
.with_cert_resolver(rustls_fuzzing_provider::server_cert_resolver());
let mut server = ServerConnection::new(server_config.into()).unwrap();
let client_config =
ClientConfig::builder_with_provider(rustls_fuzzing_provider::provider().into())
.with_protocol_versions(&[version])
.unwrap()
.dangerous()
.with_custom_certificate_verifier(rustls_fuzzing_provider::server_verifier())
.with_no_client_auth();
let hostname = "localhost".try_into().unwrap();
let mut client = ClientConnection::new(client_config.into(), hostname).unwrap();
server
.writer()
.write_all(b"hello from server")
.unwrap();
client
.writer()
.write_all(b"hello from client")
.unwrap();
let mut transcript = Transcript::default();
while client.is_handshaking() || server.is_handshaking() {
let mut buffer = vec![];
client
.write_tls(&mut &mut buffer)
.unwrap();
transcript
.client_wrote
.extend_from_slice(&buffer);
server
.read_tls(&mut &buffer[..])
.unwrap();
server.process_new_packets().unwrap();
let mut buffer = vec![];
server
.write_tls(&mut &mut buffer)
.unwrap();
transcript
.server_wrote
.extend_from_slice(&buffer);
client
.read_tls(&mut &buffer[..])
.unwrap();
client.process_new_packets().unwrap();
}
transcript
}
#[derive(Default)]
struct Transcript {
client_wrote: Vec<u8>,
server_wrote: Vec<u8>,
}
|
