void migration_tls_set_outgoing_channel(MigrationState *s, QIOChannel *ioc, const char *hostname, Error **errp) { QCryptoTLSCreds *creds; QIOChannelTLS *tioc; creds = migration_tls_get_creds( s, QCRYPTO_TLS_CREDS_ENDPOINT_CLIENT, errp); if (!creds) { return; } if (s->parameters.tls_hostname) { hostname = s->parameters.tls_hostname; } if (!hostname) { error_setg(errp, "No hostname available for TLS"); return; } tioc = qio_channel_tls_new_client( ioc, creds, hostname, errp); if (!tioc) { return; } trace_migration_tls_outgoing_handshake_start(hostname); qio_channel_tls_handshake(tioc, migration_tls_outgoing_handshake, s, NULL); }
static QIOChannel *nbd_receive_starttls(QIOChannel *ioc, QCryptoTLSCreds *tlscreds, const char *hostname, Error **errp) { nbd_opt_reply reply; QIOChannelTLS *tioc; struct NBDTLSHandshakeData data = { 0 }; trace_nbd_receive_starttls_request(); if (nbd_send_option_request(ioc, NBD_OPT_STARTTLS, 0, NULL, errp) < 0) { return NULL; } trace_nbd_receive_starttls_reply(); if (nbd_receive_option_reply(ioc, NBD_OPT_STARTTLS, &reply, errp) < 0) { return NULL; } if (reply.type != NBD_REP_ACK) { error_setg(errp, "Server rejected request to start TLS %" PRIx32, reply.type); nbd_send_opt_abort(ioc); return NULL; } if (reply.length != 0) { error_setg(errp, "Start TLS response was not zero %" PRIu32, reply.length); nbd_send_opt_abort(ioc); return NULL; } trace_nbd_receive_starttls_new_client(); tioc = qio_channel_tls_new_client(ioc, tlscreds, hostname, errp); if (!tioc) { return NULL; } qio_channel_set_name(QIO_CHANNEL(tioc), "nbd-client-tls"); data.loop = g_main_loop_new(g_main_context_default(), FALSE); trace_nbd_receive_starttls_tls_handshake(); qio_channel_tls_handshake(tioc, nbd_tls_handshake, &data, NULL); if (!data.complete) { g_main_loop_run(data.loop); } g_main_loop_unref(data.loop); if (data.error) { error_propagate(errp, data.error); object_unref(OBJECT(tioc)); return NULL; } return QIO_CHANNEL(tioc); }
static QIOChannel *nbd_receive_starttls(QIOChannel *ioc, QCryptoTLSCreds *tlscreds, const char *hostname, Error **errp) { int ret; QIOChannelTLS *tioc; struct NBDTLSHandshakeData data = { 0 }; ret = nbd_request_simple_option(ioc, NBD_OPT_STARTTLS, errp); if (ret <= 0) { if (ret == 0) { error_setg(errp, "Server don't support STARTTLS option"); nbd_send_opt_abort(ioc); } return NULL; } trace_nbd_receive_starttls_new_client(); tioc = qio_channel_tls_new_client(ioc, tlscreds, hostname, errp); if (!tioc) { return NULL; } qio_channel_set_name(QIO_CHANNEL(tioc), "nbd-client-tls"); data.loop = g_main_loop_new(g_main_context_default(), FALSE); trace_nbd_receive_starttls_tls_handshake(); qio_channel_tls_handshake(tioc, nbd_tls_handshake, &data, NULL); if (!data.complete) { g_main_loop_run(data.loop); } g_main_loop_unref(data.loop); if (data.error) { error_propagate(errp, data.error); object_unref(OBJECT(tioc)); return NULL; } return QIO_CHANNEL(tioc); }
static void tcp_chr_tls_init(Chardev *chr) { SocketChardev *s = SOCKET_CHARDEV(chr); QIOChannelTLS *tioc; Error *err = NULL; gchar *name; if (s->is_listen) { tioc = qio_channel_tls_new_server( s->ioc, s->tls_creds, NULL, /* XXX Use an ACL */ &err); } else { tioc = qio_channel_tls_new_client( s->ioc, s->tls_creds, s->addr->u.inet.data->host, &err); } if (tioc == NULL) { error_free(err); tcp_chr_disconnect(chr); return; } name = g_strdup_printf("chardev-tls-%s-%s", s->is_listen ? "server" : "client", chr->label); qio_channel_set_name(QIO_CHANNEL(tioc), name); g_free(name); object_unref(OBJECT(s->ioc)); s->ioc = QIO_CHANNEL(tioc); qio_channel_tls_handshake(tioc, tcp_chr_tls_handshake, chr, NULL); }
/* * This tests validation checking of peer certificates * * This is replicating the checks that are done for an * active TLS session after handshake completes. To * simulate that we create our TLS contexts, skipping * sanity checks. When then get a socketpair, and * initiate a TLS session across them. Finally do * do actual cert validation tests */ static void test_io_channel_tls(const void *opaque) { struct QIOChannelTLSTestData *data = (struct QIOChannelTLSTestData *)opaque; QCryptoTLSCreds *clientCreds; QCryptoTLSCreds *serverCreds; QIOChannelTLS *clientChanTLS; QIOChannelTLS *serverChanTLS; QIOChannelSocket *clientChanSock; QIOChannelSocket *serverChanSock; qemu_acl *acl; const char * const *wildcards; int channel[2]; struct QIOChannelTLSHandshakeData clientHandshake = { false, false }; struct QIOChannelTLSHandshakeData serverHandshake = { false, false }; Error *err = NULL; QIOChannelTest *test; GMainContext *mainloop; /* We'll use this for our fake client-server connection */ g_assert(socketpair(AF_UNIX, SOCK_STREAM, 0, channel) == 0); #define CLIENT_CERT_DIR "tests/test-crypto-tlssession-client/" #define SERVER_CERT_DIR "tests/test-crypto-tlssession-server/" mkdir(CLIENT_CERT_DIR, 0700); mkdir(SERVER_CERT_DIR, 0700); unlink(SERVER_CERT_DIR QCRYPTO_TLS_CREDS_X509_CA_CERT); unlink(SERVER_CERT_DIR QCRYPTO_TLS_CREDS_X509_SERVER_CERT); unlink(SERVER_CERT_DIR QCRYPTO_TLS_CREDS_X509_SERVER_KEY); unlink(CLIENT_CERT_DIR QCRYPTO_TLS_CREDS_X509_CA_CERT); unlink(CLIENT_CERT_DIR QCRYPTO_TLS_CREDS_X509_CLIENT_CERT); unlink(CLIENT_CERT_DIR QCRYPTO_TLS_CREDS_X509_CLIENT_KEY); g_assert(link(data->servercacrt, SERVER_CERT_DIR QCRYPTO_TLS_CREDS_X509_CA_CERT) == 0); g_assert(link(data->servercrt, SERVER_CERT_DIR QCRYPTO_TLS_CREDS_X509_SERVER_CERT) == 0); g_assert(link(KEYFILE, SERVER_CERT_DIR QCRYPTO_TLS_CREDS_X509_SERVER_KEY) == 0); g_assert(link(data->clientcacrt, CLIENT_CERT_DIR QCRYPTO_TLS_CREDS_X509_CA_CERT) == 0); g_assert(link(data->clientcrt, CLIENT_CERT_DIR QCRYPTO_TLS_CREDS_X509_CLIENT_CERT) == 0); g_assert(link(KEYFILE, CLIENT_CERT_DIR QCRYPTO_TLS_CREDS_X509_CLIENT_KEY) == 0); clientCreds = test_tls_creds_create( QCRYPTO_TLS_CREDS_ENDPOINT_CLIENT, CLIENT_CERT_DIR, &err); g_assert(clientCreds != NULL); serverCreds = test_tls_creds_create( QCRYPTO_TLS_CREDS_ENDPOINT_SERVER, SERVER_CERT_DIR, &err); g_assert(serverCreds != NULL); acl = qemu_acl_init("channeltlsacl"); qemu_acl_reset(acl); wildcards = data->wildcards; while (wildcards && *wildcards) { qemu_acl_append(acl, 0, *wildcards); wildcards++; } clientChanSock = qio_channel_socket_new_fd( channel[0], &err); g_assert(clientChanSock != NULL); serverChanSock = qio_channel_socket_new_fd( channel[1], &err); g_assert(serverChanSock != NULL); /* * We have an evil loop to do the handshake in a single * thread, so we need these non-blocking to avoid deadlock * of ourselves */ qio_channel_set_blocking(QIO_CHANNEL(clientChanSock), false, NULL); qio_channel_set_blocking(QIO_CHANNEL(serverChanSock), false, NULL); /* Now the real part of the test, setup the sessions */ clientChanTLS = qio_channel_tls_new_client( QIO_CHANNEL(clientChanSock), clientCreds, data->hostname, &err); g_assert(clientChanTLS != NULL); serverChanTLS = qio_channel_tls_new_server( QIO_CHANNEL(serverChanSock), serverCreds, "channeltlsacl", &err); g_assert(serverChanTLS != NULL); qio_channel_tls_handshake(clientChanTLS, test_tls_handshake_done, &clientHandshake, NULL); qio_channel_tls_handshake(serverChanTLS, test_tls_handshake_done, &serverHandshake, NULL); /* * Finally we loop around & around doing handshake on each * session until we get an error, or the handshake completes. * This relies on the socketpair being nonblocking to avoid * deadlocking ourselves upon handshake */ mainloop = g_main_context_default(); do { g_main_context_iteration(mainloop, TRUE); } while (!clientHandshake.finished && !serverHandshake.finished); g_assert(clientHandshake.failed == data->expectClientFail); g_assert(serverHandshake.failed == data->expectServerFail); test = qio_channel_test_new(); qio_channel_test_run_threads(test, false, QIO_CHANNEL(clientChanTLS), QIO_CHANNEL(serverChanTLS)); qio_channel_test_validate(test); test = qio_channel_test_new(); qio_channel_test_run_threads(test, true, QIO_CHANNEL(clientChanTLS), QIO_CHANNEL(serverChanTLS)); qio_channel_test_validate(test); unlink(SERVER_CERT_DIR QCRYPTO_TLS_CREDS_X509_CA_CERT); unlink(SERVER_CERT_DIR QCRYPTO_TLS_CREDS_X509_SERVER_CERT); unlink(SERVER_CERT_DIR QCRYPTO_TLS_CREDS_X509_SERVER_KEY); unlink(CLIENT_CERT_DIR QCRYPTO_TLS_CREDS_X509_CA_CERT); unlink(CLIENT_CERT_DIR QCRYPTO_TLS_CREDS_X509_CLIENT_CERT); unlink(CLIENT_CERT_DIR QCRYPTO_TLS_CREDS_X509_CLIENT_KEY); rmdir(CLIENT_CERT_DIR); rmdir(SERVER_CERT_DIR); object_unparent(OBJECT(serverCreds)); object_unparent(OBJECT(clientCreds)); object_unref(OBJECT(serverChanTLS)); object_unref(OBJECT(clientChanTLS)); object_unref(OBJECT(serverChanSock)); object_unref(OBJECT(clientChanSock)); close(channel[0]); close(channel[1]); }