fixes #201 TLS configuration should support files for certificates and keys

This adds support for configuration of TLS websockets using the files
for keys, certificates, and CRLs.  Significant changes to the websocket,
TLS, and HTTP layers were made here.  We now expect TLS configuration to
be tied to the HTTP layer, and the HTTP code creates default configuration
objects based on the URL supplied.  (HTTP dialers and listeners are now
created with a URL rather than a sockaddr, giving them access to the scheme
as well.)

We fixed several bugs affecting TLS validation, and added a test suite
that confirms that validation works as it should.  We also fixed an orphaned
socket during HTTP negotiation, responsible for an occasional assertion
error if the http handshake does not complete successfully.  Finally several
use-after-free races were closed.

TLS layer changes include reporting of handshake failures using newly
created "standard" error codes for peer authentication and cryptographic
failures.

The use of the '*' wild card in URLs at bind time is no longer supported
for websocket at least.

Documentation updates for all this are in place as well.

1 files changed, 4 insertions, 4 deletions

diff --git a/tests/ws.c b/tests/ws.c
index 38db4738..0527337e 100644
--- a/tests/ws.c
+++ b/tests/ws.c
@@ -80,7 +80,7 @@ TestMain("WebSocket Transport", {
 
 	trantest_test_extended("ws://127.0.0.1:%u/test", check_props_v4);
 
-	Convey("Wild cards work", {
+	Convey("Empty hostname works", {
 		nng_socket s1;
 		nng_socket s2;
 		char       addr[NNG_MAXADDRLEN];
@@ -91,7 +91,7 @@ TestMain("WebSocket Transport", {
 			nng_close(s2);
 			nng_close(s1);
 		});
-		trantest_next_address(addr, "ws://*:%u/test");
+		trantest_next_address(addr, "ws://:%u/test");
 		So(nng_listen(s1, addr, NULL, 0) == 0);
 		nng_msleep(100);
 		// reset port back one
@@ -110,10 +110,10 @@ TestMain("WebSocket Transport", {
 			nng_close(s2);
 			nng_close(s1);
 		});
-		trantest_next_address(addr, "ws://*:%u/test");
+		trantest_next_address(addr, "ws://:%u/test");
 		So(nng_listen(s1, addr, NULL, 0) == 0);
 		// reset port back one
-		trantest_prev_address(addr, "ws://127.0.0.1:%u/nothere");
+		trantest_prev_address(addr, "ws://localhost:%u/nothere");
 		So(nng_dial(s2, addr, NULL, 0) == NNG_ECONNREFUSED);
 	});