| /* |
| * Copyright (C) 2015 Red Hat, Inc. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library. If not, see |
| * <http://www.gnu.org/licenses/>. |
| * |
| * Author: Daniel P. Berrange <berrange@redhat.com> |
| */ |
| |
| #include "qemu/osdep.h" |
| |
| #include "crypto-tls-x509-helpers.h" |
| #include "crypto/tlscredsx509.h" |
| #include "crypto/tlssession.h" |
| #include "qom/object_interfaces.h" |
| #include "qapi/error.h" |
| #include "qemu/sockets.h" |
| #include "qemu/acl.h" |
| |
| #ifdef QCRYPTO_HAVE_TLS_TEST_SUPPORT |
| |
| #define WORKDIR "tests/test-crypto-tlssession-work/" |
| #define KEYFILE WORKDIR "key-ctx.pem" |
| |
| struct QCryptoTLSSessionTestData { |
| const char *servercacrt; |
| const char *clientcacrt; |
| const char *servercrt; |
| const char *clientcrt; |
| bool expectServerFail; |
| bool expectClientFail; |
| const char *hostname; |
| const char *const *wildcards; |
| }; |
| |
| |
| static ssize_t testWrite(const char *buf, size_t len, void *opaque) |
| { |
| int *fd = opaque; |
| |
| return write(*fd, buf, len); |
| } |
| |
| static ssize_t testRead(char *buf, size_t len, void *opaque) |
| { |
| int *fd = opaque; |
| |
| return read(*fd, buf, len); |
| } |
| |
| static QCryptoTLSCreds *test_tls_creds_create(QCryptoTLSCredsEndpoint endpoint, |
| const char *certdir, |
| Error **errp) |
| { |
| Error *err = NULL; |
| Object *parent = object_get_objects_root(); |
| Object *creds = object_new_with_props( |
| TYPE_QCRYPTO_TLS_CREDS_X509, |
| parent, |
| (endpoint == QCRYPTO_TLS_CREDS_ENDPOINT_SERVER ? |
| "testtlscredsserver" : "testtlscredsclient"), |
| &err, |
| "endpoint", (endpoint == QCRYPTO_TLS_CREDS_ENDPOINT_SERVER ? |
| "server" : "client"), |
| "dir", certdir, |
| "verify-peer", "yes", |
| "priority", "NORMAL", |
| /* We skip initial sanity checks here because we |
| * want to make sure that problems are being |
| * detected at the TLS session validation stage, |
| * and the test-crypto-tlscreds test already |
| * validate the sanity check code. |
| */ |
| "sanity-check", "no", |
| NULL |
| ); |
| |
| if (err) { |
| error_propagate(errp, err); |
| return NULL; |
| } |
| return QCRYPTO_TLS_CREDS(creds); |
| } |
| |
| |
| /* |
| * 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. We then get a socketpair, and |
| * initiate a TLS session across them. Finally do |
| * do actual cert validation tests |
| */ |
| static void test_crypto_tls_session(const void *opaque) |
| { |
| struct QCryptoTLSSessionTestData *data = |
| (struct QCryptoTLSSessionTestData *)opaque; |
| QCryptoTLSCreds *clientCreds; |
| QCryptoTLSCreds *serverCreds; |
| QCryptoTLSSession *clientSess = NULL; |
| QCryptoTLSSession *serverSess = NULL; |
| qemu_acl *acl; |
| const char * const *wildcards; |
| int channel[2]; |
| bool clientShake = false; |
| bool serverShake = false; |
| Error *err = NULL; |
| int ret; |
| |
| /* We'll use this for our fake client-server connection */ |
| ret = socketpair(AF_UNIX, SOCK_STREAM, 0, channel); |
| g_assert(ret == 0); |
| |
| /* |
| * We have an evil loop to do the handshake in a single |
| * thread, so we need these non-blocking to avoid deadlock |
| * of ourselves |
| */ |
| qemu_set_nonblock(channel[0]); |
| qemu_set_nonblock(channel[1]); |
| |
| #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("tlssessionacl"); |
| qemu_acl_reset(acl); |
| wildcards = data->wildcards; |
| while (wildcards && *wildcards) { |
| qemu_acl_append(acl, 0, *wildcards); |
| wildcards++; |
| } |
| |
| /* Now the real part of the test, setup the sessions */ |
| clientSess = qcrypto_tls_session_new( |
| clientCreds, data->hostname, NULL, |
| QCRYPTO_TLS_CREDS_ENDPOINT_CLIENT, &err); |
| serverSess = qcrypto_tls_session_new( |
| serverCreds, NULL, |
| data->wildcards ? "tlssessionacl" : NULL, |
| QCRYPTO_TLS_CREDS_ENDPOINT_SERVER, &err); |
| |
| g_assert(clientSess != NULL); |
| g_assert(serverSess != NULL); |
| |
| /* For handshake to work, we need to set the I/O callbacks |
| * to read/write over the socketpair |
| */ |
| qcrypto_tls_session_set_callbacks(serverSess, |
| testWrite, testRead, |
| &channel[0]); |
| qcrypto_tls_session_set_callbacks(clientSess, |
| testWrite, testRead, |
| &channel[1]); |
| |
| /* |
| * 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 |
| */ |
| do { |
| int rv; |
| if (!serverShake) { |
| rv = qcrypto_tls_session_handshake(serverSess, |
| &err); |
| g_assert(rv >= 0); |
| if (qcrypto_tls_session_get_handshake_status(serverSess) == |
| QCRYPTO_TLS_HANDSHAKE_COMPLETE) { |
| serverShake = true; |
| } |
| } |
| if (!clientShake) { |
| rv = qcrypto_tls_session_handshake(clientSess, |
| &err); |
| g_assert(rv >= 0); |
| if (qcrypto_tls_session_get_handshake_status(clientSess) == |
| QCRYPTO_TLS_HANDSHAKE_COMPLETE) { |
| clientShake = true; |
| } |
| } |
| } while (!clientShake && !serverShake); |
| |
| |
| /* Finally make sure the server validation does what |
| * we were expecting |
| */ |
| if (qcrypto_tls_session_check_credentials(serverSess, &err) < 0) { |
| g_assert(data->expectServerFail); |
| error_free(err); |
| err = NULL; |
| } else { |
| g_assert(!data->expectServerFail); |
| } |
| |
| /* |
| * And the same for the client validation check |
| */ |
| if (qcrypto_tls_session_check_credentials(clientSess, &err) < 0) { |
| g_assert(data->expectClientFail); |
| error_free(err); |
| err = NULL; |
| } else { |
| g_assert(!data->expectClientFail); |
| } |
| |
| 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)); |
| |
| qcrypto_tls_session_free(serverSess); |
| qcrypto_tls_session_free(clientSess); |
| |
| close(channel[0]); |
| close(channel[1]); |
| } |
| |
| |
| int main(int argc, char **argv) |
| { |
| int ret; |
| |
| module_call_init(MODULE_INIT_QOM); |
| g_test_init(&argc, &argv, NULL); |
| setenv("GNUTLS_FORCE_FIPS_MODE", "2", 1); |
| |
| mkdir(WORKDIR, 0700); |
| |
| test_tls_init(KEYFILE); |
| |
| # define TEST_SESS_REG(name, caCrt, \ |
| serverCrt, clientCrt, \ |
| expectServerFail, expectClientFail, \ |
| hostname, wildcards) \ |
| struct QCryptoTLSSessionTestData name = { \ |
| caCrt, caCrt, serverCrt, clientCrt, \ |
| expectServerFail, expectClientFail, \ |
| hostname, wildcards \ |
| }; \ |
| g_test_add_data_func("/qcrypto/tlssession/" # name, \ |
| &name, test_crypto_tls_session); \ |
| |
| |
| # define TEST_SESS_REG_EXT(name, serverCaCrt, clientCaCrt, \ |
| serverCrt, clientCrt, \ |
| expectServerFail, expectClientFail, \ |
| hostname, wildcards) \ |
| struct QCryptoTLSSessionTestData name = { \ |
| serverCaCrt, clientCaCrt, serverCrt, clientCrt, \ |
| expectServerFail, expectClientFail, \ |
| hostname, wildcards \ |
| }; \ |
| g_test_add_data_func("/qcrypto/tlssession/" # name, \ |
| &name, test_crypto_tls_session); \ |
| |
| /* A perfect CA, perfect client & perfect server */ |
| |
| /* Basic:CA:critical */ |
| TLS_ROOT_REQ(cacertreq, |
| "UK", "qemu CA", NULL, NULL, NULL, NULL, |
| true, true, true, |
| true, true, GNUTLS_KEY_KEY_CERT_SIGN, |
| false, false, NULL, NULL, |
| 0, 0); |
| |
| TLS_ROOT_REQ(altcacertreq, |
| "UK", "qemu CA 1", NULL, NULL, NULL, NULL, |
| true, true, true, |
| false, false, 0, |
| false, false, NULL, NULL, |
| 0, 0); |
| |
| TLS_CERT_REQ(servercertreq, cacertreq, |
| "UK", "qemu.org", NULL, NULL, NULL, NULL, |
| true, true, false, |
| true, true, |
| GNUTLS_KEY_DIGITAL_SIGNATURE | GNUTLS_KEY_KEY_ENCIPHERMENT, |
| true, true, GNUTLS_KP_TLS_WWW_SERVER, NULL, |
| 0, 0); |
| TLS_CERT_REQ(clientcertreq, cacertreq, |
| "UK", "qemu", NULL, NULL, NULL, NULL, |
| true, true, false, |
| true, true, |
| GNUTLS_KEY_DIGITAL_SIGNATURE | GNUTLS_KEY_KEY_ENCIPHERMENT, |
| true, true, GNUTLS_KP_TLS_WWW_CLIENT, NULL, |
| 0, 0); |
| |
| TLS_CERT_REQ(clientcertaltreq, altcacertreq, |
| "UK", "qemu", NULL, NULL, NULL, NULL, |
| true, true, false, |
| true, true, |
| GNUTLS_KEY_DIGITAL_SIGNATURE | GNUTLS_KEY_KEY_ENCIPHERMENT, |
| true, true, GNUTLS_KP_TLS_WWW_CLIENT, NULL, |
| 0, 0); |
| |
| TEST_SESS_REG(basicca, cacertreq.filename, |
| servercertreq.filename, clientcertreq.filename, |
| false, false, "qemu.org", NULL); |
| TEST_SESS_REG_EXT(differentca, cacertreq.filename, |
| altcacertreq.filename, servercertreq.filename, |
| clientcertaltreq.filename, true, true, "qemu.org", NULL); |
| |
| |
| /* When an altname is set, the CN is ignored, so it must be duplicated |
| * as an altname for it to match */ |
| TLS_CERT_REQ(servercertalt1req, cacertreq, |
| "UK", "qemu.org", "www.qemu.org", "qemu.org", |
| "192.168.122.1", "fec0::dead:beaf", |
| true, true, false, |
| true, true, |
| GNUTLS_KEY_DIGITAL_SIGNATURE | GNUTLS_KEY_KEY_ENCIPHERMENT, |
| true, true, GNUTLS_KP_TLS_WWW_SERVER, NULL, |
| 0, 0); |
| /* This intentionally doesn't replicate */ |
| TLS_CERT_REQ(servercertalt2req, cacertreq, |
| "UK", "qemu.org", "www.qemu.org", "wiki.qemu.org", |
| "192.168.122.1", "fec0::dead:beaf", |
| true, true, false, |
| true, true, |
| GNUTLS_KEY_DIGITAL_SIGNATURE | GNUTLS_KEY_KEY_ENCIPHERMENT, |
| true, true, GNUTLS_KP_TLS_WWW_SERVER, NULL, |
| 0, 0); |
| |
| TEST_SESS_REG(altname1, cacertreq.filename, |
| servercertalt1req.filename, clientcertreq.filename, |
| false, false, "qemu.org", NULL); |
| TEST_SESS_REG(altname2, cacertreq.filename, |
| servercertalt1req.filename, clientcertreq.filename, |
| false, false, "www.qemu.org", NULL); |
| TEST_SESS_REG(altname3, cacertreq.filename, |
| servercertalt1req.filename, clientcertreq.filename, |
| false, true, "wiki.qemu.org", NULL); |
| |
| TEST_SESS_REG(altname4, cacertreq.filename, |
| servercertalt2req.filename, clientcertreq.filename, |
| false, true, "qemu.org", NULL); |
| TEST_SESS_REG(altname5, cacertreq.filename, |
| servercertalt2req.filename, clientcertreq.filename, |
| false, false, "www.qemu.org", NULL); |
| TEST_SESS_REG(altname6, cacertreq.filename, |
| servercertalt2req.filename, clientcertreq.filename, |
| false, false, "wiki.qemu.org", NULL); |
| |
| const char *const wildcards1[] = { |
| "C=UK,CN=dogfood", |
| NULL, |
| }; |
| const char *const wildcards2[] = { |
| "C=UK,CN=qemu", |
| NULL, |
| }; |
| const char *const wildcards3[] = { |
| "C=UK,CN=dogfood", |
| "C=UK,CN=qemu", |
| NULL, |
| }; |
| const char *const wildcards4[] = { |
| "C=UK,CN=qemustuff", |
| NULL, |
| }; |
| const char *const wildcards5[] = { |
| "C=UK,CN=qemu*", |
| NULL, |
| }; |
| const char *const wildcards6[] = { |
| "C=UK,CN=*emu*", |
| NULL, |
| }; |
| |
| TEST_SESS_REG(wildcard1, cacertreq.filename, |
| servercertreq.filename, clientcertreq.filename, |
| true, false, "qemu.org", wildcards1); |
| TEST_SESS_REG(wildcard2, cacertreq.filename, |
| servercertreq.filename, clientcertreq.filename, |
| false, false, "qemu.org", wildcards2); |
| TEST_SESS_REG(wildcard3, cacertreq.filename, |
| servercertreq.filename, clientcertreq.filename, |
| false, false, "qemu.org", wildcards3); |
| TEST_SESS_REG(wildcard4, cacertreq.filename, |
| servercertreq.filename, clientcertreq.filename, |
| true, false, "qemu.org", wildcards4); |
| TEST_SESS_REG(wildcard5, cacertreq.filename, |
| servercertreq.filename, clientcertreq.filename, |
| false, false, "qemu.org", wildcards5); |
| TEST_SESS_REG(wildcard6, cacertreq.filename, |
| servercertreq.filename, clientcertreq.filename, |
| false, false, "qemu.org", wildcards6); |
| |
| TLS_ROOT_REQ(cacertrootreq, |
| "UK", "qemu root", NULL, NULL, NULL, NULL, |
| true, true, true, |
| true, true, GNUTLS_KEY_KEY_CERT_SIGN, |
| false, false, NULL, NULL, |
| 0, 0); |
| TLS_CERT_REQ(cacertlevel1areq, cacertrootreq, |
| "UK", "qemu level 1a", NULL, NULL, NULL, NULL, |
| true, true, true, |
| true, true, GNUTLS_KEY_KEY_CERT_SIGN, |
| false, false, NULL, NULL, |
| 0, 0); |
| TLS_CERT_REQ(cacertlevel1breq, cacertrootreq, |
| "UK", "qemu level 1b", NULL, NULL, NULL, NULL, |
| true, true, true, |
| true, true, GNUTLS_KEY_KEY_CERT_SIGN, |
| false, false, NULL, NULL, |
| 0, 0); |
| TLS_CERT_REQ(cacertlevel2areq, cacertlevel1areq, |
| "UK", "qemu level 2a", NULL, NULL, NULL, NULL, |
| true, true, true, |
| true, true, GNUTLS_KEY_KEY_CERT_SIGN, |
| false, false, NULL, NULL, |
| 0, 0); |
| TLS_CERT_REQ(servercertlevel3areq, cacertlevel2areq, |
| "UK", "qemu.org", NULL, NULL, NULL, NULL, |
| true, true, false, |
| true, true, |
| GNUTLS_KEY_DIGITAL_SIGNATURE | GNUTLS_KEY_KEY_ENCIPHERMENT, |
| true, true, GNUTLS_KP_TLS_WWW_SERVER, NULL, |
| 0, 0); |
| TLS_CERT_REQ(clientcertlevel2breq, cacertlevel1breq, |
| "UK", "qemu client level 2b", NULL, NULL, NULL, NULL, |
| true, true, false, |
| true, true, |
| GNUTLS_KEY_DIGITAL_SIGNATURE | GNUTLS_KEY_KEY_ENCIPHERMENT, |
| true, true, GNUTLS_KP_TLS_WWW_CLIENT, NULL, |
| 0, 0); |
| |
| gnutls_x509_crt_t certchain[] = { |
| cacertrootreq.crt, |
| cacertlevel1areq.crt, |
| cacertlevel1breq.crt, |
| cacertlevel2areq.crt, |
| }; |
| |
| test_tls_write_cert_chain(WORKDIR "cacertchain-sess.pem", |
| certchain, |
| G_N_ELEMENTS(certchain)); |
| |
| TEST_SESS_REG(cachain, WORKDIR "cacertchain-sess.pem", |
| servercertlevel3areq.filename, clientcertlevel2breq.filename, |
| false, false, "qemu.org", NULL); |
| |
| ret = g_test_run(); |
| |
| test_tls_discard_cert(&clientcertreq); |
| test_tls_discard_cert(&clientcertaltreq); |
| |
| test_tls_discard_cert(&servercertreq); |
| test_tls_discard_cert(&servercertalt1req); |
| test_tls_discard_cert(&servercertalt2req); |
| |
| test_tls_discard_cert(&cacertreq); |
| test_tls_discard_cert(&altcacertreq); |
| |
| test_tls_discard_cert(&cacertrootreq); |
| test_tls_discard_cert(&cacertlevel1areq); |
| test_tls_discard_cert(&cacertlevel1breq); |
| test_tls_discard_cert(&cacertlevel2areq); |
| test_tls_discard_cert(&servercertlevel3areq); |
| test_tls_discard_cert(&clientcertlevel2breq); |
| unlink(WORKDIR "cacertchain-sess.pem"); |
| |
| test_tls_cleanup(KEYFILE); |
| rmdir(WORKDIR); |
| |
| return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE; |
| } |
| |
| #else /* ! QCRYPTO_HAVE_TLS_TEST_SUPPORT */ |
| |
| int |
| main(void) |
| { |
| return EXIT_SUCCESS; |
| } |
| |
| #endif /* ! QCRYPTO_HAVE_TLS_TEST_SUPPORT */ |
