+//
+// ssl-49-sni.c
+// libsecurity_ssl
+//
+//
+
+
+#include <stdbool.h>
+#include <pthread.h>
+#include <fcntl.h>
+#include <sys/mman.h>
+#include <unistd.h>
+
+#include <CoreFoundation/CoreFoundation.h>
+
+#include <AssertMacros.h>
+#include <Security/SecureTransportPriv.h> /* SSLSetOption */
+#include <Security/SecureTransport.h>
+#include <Security/SecPolicy.h>
+#include <Security/SecTrust.h>
+#include <Security/SecIdentity.h>
+#include <Security/SecIdentityPriv.h>
+#include <Security/SecCertificatePriv.h>
+#include <Security/SecKeyPriv.h>
+#include <Security/SecItem.h>
+#include <Security/SecRandom.h>
+
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <mach/mach_time.h>
+
+#if TARGET_OS_IPHONE
+#include <Security/SecRSAKey.h>
+#endif
+
+#include "ssl_regressions.h"
+#include "ssl-utils.h"
+
+typedef struct {
+ SSLContextRef handle;
+ uint32_t session_id;
+ bool is_server;
+ int comm;
+} ssl_test_handle;
+
+
+#pragma mark -
+#pragma mark SecureTransport support
+
+#if 0
+static void hexdump(const uint8_t *bytes, size_t len) {
+ size_t ix;
+ printf("socket write(%p, %lu)\n", bytes, len);
+ for (ix = 0; ix < len; ++ix) {
+ if (!(ix % 16))
+ printf("\n");
+ printf("%02X ", bytes[ix]);
+ }
+ printf("\n");
+}
+#else
+#define hexdump(bytes, len)
+#endif
+
+
+static OSStatus SocketWrite(SSLConnectionRef h, const void *data, size_t *length)
+{
+ size_t len = *length;
+ uint8_t *ptr = (uint8_t *)data;
+
+ do {
+ ssize_t ret;
+ do {
+ hexdump(ptr, len);
+ ret = write((int)h, ptr, len);
+ } while ((ret < 0) && (errno == EAGAIN || errno == EINTR));
+ if (ret > 0) {
+ len -= ret;
+ ptr += ret;
+ }
+ else
+ return -36;
+ } while (len > 0);
+
+ *length = *length - len;
+ return errSecSuccess;
+}
+
+static OSStatus SocketRead(SSLConnectionRef h, void *data, size_t *length)
+{
+ size_t len = *length;
+ uint8_t *ptr = (uint8_t *)data;
+
+ do {
+ ssize_t ret;
+ do {
+ ret = read((int)h, ptr, len);
+ } while ((ret < 0) && (errno == EAGAIN || errno == EINTR));
+ if (ret > 0) {
+ len -= ret;
+ ptr += ret;
+ } else {
+ printf("read error(%d): ret=%zd, errno=%d\n", (int)h, ret, errno);
+ return -errno;
+ }
+ } while (len > 0);
+
+ *length = *length - len;
+ return errSecSuccess;
+}
+
+static char peername[] = "localhost";
+
+static void *securetransport_server_thread(void *arg)
+{
+ OSStatus ortn;
+ ssl_test_handle * ssl = (ssl_test_handle *)arg;
+ SSLContextRef ctx = ssl->handle;
+ CFArrayRef server_certs = server_chain();
+
+ do {
+ ortn = SSLHandshake(ctx);
+ } while (ortn == errSSLWouldBlock);
+
+ ok(ortn==errSSLClientHelloReceived, "Unexpected Handshake exit code");
+
+ if (ortn == errSSLClientHelloReceived) {
+ char *sni = NULL;
+ size_t length = 0;
+ SSLCopyRequestedPeerNameLength(ctx, &length);
+ if (length > 0) {
+ sni = malloc(length);
+ SSLCopyRequestedPeerName(ctx, sni, &length);
+ }
+
+ SSLProtocol version = 0;
+ require_noerr(SSLGetProtocolVersionMax(ctx, &version), out);
+ if (version == kSSLProtocol3) {
+ ok(sni==NULL, "Unexpected SNI");
+ } else {
+ ok(sni!=NULL &&
+ length == sizeof(peername) &&
+ (memcmp(sni, peername, sizeof(peername))==0),
+ "SNI does not match");
+ }
+ require_noerr(SSLSetCertificate(ctx, server_certs), out);
+ }
+
+out:
+ SSLClose(ctx);
+ SSLDisposeContext(ctx);
+ close(ssl->comm);
+
+ pthread_exit((void *)(intptr_t)ortn);
+ return NULL;
+}
+
+static void *securetransport_client_thread(void *arg)
+{
+ OSStatus ortn;
+ ssl_test_handle * ssl = (ssl_test_handle *)arg;
+ SSLContextRef ctx = ssl->handle;
+
+ do {
+ ortn = SSLHandshake(ctx);
+ } while (ortn == errSSLWouldBlock || ortn != errSSLClosedGraceful);
+
+ SSLClose(ctx);
+ SSLDisposeContext(ctx);
+ close(ssl->comm);
+
+ pthread_exit((void *)(intptr_t)ortn);
+ return NULL;
+}
+
+static SSLCipherSuite ciphers[] = {
+ TLS_RSA_WITH_AES_128_CBC_SHA,
+ //FIXME: re-enable this test when its fixed.
+ //TLS_RSA_WITH_RC4_128_SHA,
+};
+
+static ssl_test_handle *
+ssl_test_handle_create(uint32_t session_id, bool server, int comm)
+{
+ ssl_test_handle *handle = calloc(1, sizeof(ssl_test_handle));
+ SSLContextRef ctx = SSLCreateContext(kCFAllocatorDefault, server?kSSLServerSide:kSSLClientSide, kSSLStreamType);
+
+ require(handle, out);
+ require(ctx, out);
+
+ require_noerr(SSLSetIOFuncs(ctx,
+ (SSLReadFunc)SocketRead, (SSLWriteFunc)SocketWrite), out);
+ require_noerr(SSLSetConnection(ctx, (SSLConnectionRef)(intptr_t)comm), out);
+
+ if (server)
+ require_noerr(SSLSetSessionOption(ctx,
+ kSSLSessionOptionBreakOnClientHello, true), out);
+ else
+ require_noerr(SSLSetSessionOption(ctx,
+ kSSLSessionOptionBreakOnServerAuth, true), out);
+
+ /* Tell SecureTransport to not check certs itself: it will break out of the
+ handshake to let us take care of it instead. */
+ require_noerr(SSLSetEnableCertVerify(ctx, false), out);
+
+ handle->handle = ctx;
+ handle->is_server = server;
+ handle->session_id = session_id;
+ handle->comm = comm;
+
+ return handle;
+
+out:
+ if (ctx) CFRelease(ctx);
+ return NULL;
+}
+
+static SSLProtocol versions[] = {
+ kSSLProtocol3,
+ kTLSProtocol1,
+ kTLSProtocol11,
+ kTLSProtocol12,
+};
+static int nversions = sizeof(versions)/sizeof(versions[0]);
+
+static void
+tests(void)
+{
+ int j;
+ pthread_t client_thread, server_thread;
+
+ for(j=0; j<nversions; j++)
+ {
+ int sp[2];
+ if (socketpair(AF_UNIX, SOCK_STREAM, 0, sp)) exit(errno);
+
+ ssl_test_handle *server, *client;
+
+ uint32_t session_id = (j+1) << 16 | 1 << 8;
+ server = ssl_test_handle_create(session_id, true /*server*/, sp[0]);
+ client = ssl_test_handle_create(session_id, false/*client*/, sp[1]);
+
+ require_noerr(SSLSetPeerID(server->handle, &session_id, sizeof(session_id)), out);
+ require_noerr(SSLSetPeerID(client->handle, &session_id, sizeof(session_id)), out);
+
+ /* set fixed cipher on client and server */
+ require_noerr(SSLSetEnabledCiphers(client->handle, &ciphers[0], 1), out);
+ require_noerr(SSLSetEnabledCiphers(server->handle, &ciphers[0], 1), out);
+
+ require_noerr(SSLSetProtocolVersionMax(client->handle, versions[j]), out);
+ require_noerr(SSLSetPeerDomainName(client->handle, peername, sizeof(peername)), out);
+
+ require_noerr(SSLSetProtocolVersionMax(server->handle, versions[j]), out);
+
+ pthread_create(&client_thread, NULL, securetransport_client_thread, client);
+ pthread_create(&server_thread, NULL, securetransport_server_thread, server);
+
+ int server_err, client_err;
+ pthread_join(client_thread, (void*)&client_err);
+ pthread_join(server_thread, (void*)&server_err);
+
+ out:
+ free(client);
+ free(server);
+
+ }
+}
+
+int ssl_49_sni(int argc, char *const *argv)
+{
+
+ plan_tests(8);
+
+
+ tests();
+
+ return 0;
+}