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tests: add migration tests of TLS with x509 credentials

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This validates that we correctly handle migration success and failure
scenarios when using TLS with x509 certificates. There are quite a few
different scenarios that matter in relation to hostname validation.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20220426160048.812266-5-berrange@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
  dgilbert: Manual merge due to ifdef change in 3
This commit is contained in:
Daniel P. Berrangé 2022-04-26 17:00:43 +01:00 committed by Dr. David Alan Gilbert
parent 58d25e97f3
commit d47b83b118
3 changed files with 397 additions and 14 deletions
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1
meson.build
View file

@ -1742,6 +1742,7 @@ config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
config_host_data.set('CONFIG_GETTID', has_gettid)
config_host_data.set('CONFIG_GNUTLS', gnutls.found())
config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
config_host_data.set('CONFIG_TASN1', tasn1.found())
config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
config_host_data.set('CONFIG_NETTLE', nettle.found())
config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')

5
tests/qtest/meson.build
View file

@ -276,6 +276,11 @@ tpmemu_files = ['tpm-emu.c', 'tpm-util.c', 'tpm-tests.c']
migration_files = [files('migration-helpers.c')]
if gnutls.found()
migration_files += [files('../unit/crypto-tls-psk-helpers.c'), gnutls]
if tasn1.found()
migration_files += [files('../unit/crypto-tls-x509-helpers.c',
'../unit/pkix_asn1_tab.c'), tasn1]
endif
endif
qtests = {

405
tests/qtest/migration-test.c
View file

@ -29,6 +29,9 @@
#include "tests/migration/migration-test.h"
#ifdef CONFIG_GNUTLS
# include "tests/unit/crypto-tls-psk-helpers.h"
# ifdef CONFIG_TASN1
# include "tests/unit/crypto-tls-x509-helpers.h"
# endif /* CONFIG_TASN1 */
#endif /* CONFIG_GNUTLS */
/* For dirty ring test; so far only x86_64 is supported */
@ -736,6 +739,234 @@ test_migrate_tls_psk_finish(QTestState *from,
g_free(data->pskfile);
g_free(data);
}
#ifdef CONFIG_TASN1
typedef struct {
char *workdir;
char *keyfile;
char *cacert;
char *servercert;
char *serverkey;
char *clientcert;
char *clientkey;
} TestMigrateTLSX509Data;
typedef struct {
bool verifyclient;
bool clientcert;
bool hostileclient;
bool authzclient;
const char *certhostname;
const char *certipaddr;
} TestMigrateTLSX509;
static void *
test_migrate_tls_x509_start_common(QTestState *from,
QTestState *to,
TestMigrateTLSX509 *args)
{
TestMigrateTLSX509Data *data = g_new0(TestMigrateTLSX509Data, 1);
QDict *rsp;
data->workdir = g_strdup_printf("%s/tlscredsx5090", tmpfs);
data->keyfile = g_strdup_printf("%s/key.pem", data->workdir);
data->cacert = g_strdup_printf("%s/ca-cert.pem", data->workdir);
data->serverkey = g_strdup_printf("%s/server-key.pem", data->workdir);
data->servercert = g_strdup_printf("%s/server-cert.pem", data->workdir);
if (args->clientcert) {
data->clientkey = g_strdup_printf("%s/client-key.pem", data->workdir);
data->clientcert = g_strdup_printf("%s/client-cert.pem", data->workdir);
}
mkdir(data->workdir, 0700);
test_tls_init(data->keyfile);
g_assert(link(data->keyfile, data->serverkey) == 0);
if (args->clientcert) {
g_assert(link(data->keyfile, data->clientkey) == 0);
}
TLS_ROOT_REQ_SIMPLE(cacertreq, data->cacert);
if (args->clientcert) {
TLS_CERT_REQ_SIMPLE_CLIENT(servercertreq, cacertreq,
args->hostileclient ?
QCRYPTO_TLS_TEST_CLIENT_HOSTILE_NAME :
QCRYPTO_TLS_TEST_CLIENT_NAME,
data->clientcert);
}
TLS_CERT_REQ_SIMPLE_SERVER(clientcertreq, cacertreq,
data->servercert,
args->certhostname,
args->certipaddr);
rsp = wait_command(from,
"{ 'execute': 'object-add',"
" 'arguments': { 'qom-type': 'tls-creds-x509',"
" 'id': 'tlscredsx509client0',"
" 'endpoint': 'client',"
" 'dir': %s,"
" 'sanity-check': true,"
" 'verify-peer': true} }",
data->workdir);
qobject_unref(rsp);
migrate_set_parameter_str(from, "tls-creds", "tlscredsx509client0");
if (args->certhostname) {
migrate_set_parameter_str(from, "tls-hostname", args->certhostname);
}
rsp = wait_command(to,
"{ 'execute': 'object-add',"
" 'arguments': { 'qom-type': 'tls-creds-x509',"
" 'id': 'tlscredsx509server0',"
" 'endpoint': 'server',"
" 'dir': %s,"
" 'sanity-check': true,"
" 'verify-peer': %i} }",
data->workdir, args->verifyclient);
qobject_unref(rsp);
migrate_set_parameter_str(to, "tls-creds", "tlscredsx509server0");
if (args->authzclient) {
rsp = wait_command(to,
"{ 'execute': 'object-add',"
" 'arguments': { 'qom-type': 'authz-simple',"
" 'id': 'tlsauthz0',"
" 'identity': %s} }",
"CN=" QCRYPTO_TLS_TEST_CLIENT_NAME);
migrate_set_parameter_str(to, "tls-authz", "tlsauthz0");
}
return data;
}
/*
* The normal case: match server's cert hostname against
* whatever host we were telling QEMU to connect to (if any)
*/
static void *
test_migrate_tls_x509_start_default_host(QTestState *from,
QTestState *to)
{
TestMigrateTLSX509 args = {
.verifyclient = true,
.clientcert = true,
.certipaddr = "127.0.0.1"
};
return test_migrate_tls_x509_start_common(from, to, &args);
}
/*
* The unusual case: the server's cert is different from
* the address we're telling QEMU to connect to (if any),
* so we must give QEMU an explicit hostname to validate
*/
static void *
test_migrate_tls_x509_start_override_host(QTestState *from,
QTestState *to)
{
TestMigrateTLSX509 args = {
.verifyclient = true,
.clientcert = true,
.certhostname = "qemu.org",
};
return test_migrate_tls_x509_start_common(from, to, &args);
}
/*
* The unusual case: the server's cert is different from
* the address we're telling QEMU to connect to, and so we
* expect the client to reject the server
*/
static void *
test_migrate_tls_x509_start_mismatch_host(QTestState *from,
QTestState *to)
{
TestMigrateTLSX509 args = {
.verifyclient = true,
.clientcert = true,
.certipaddr = "10.0.0.1",
};
return test_migrate_tls_x509_start_common(from, to, &args);
}
static void *
test_migrate_tls_x509_start_friendly_client(QTestState *from,
QTestState *to)
{
TestMigrateTLSX509 args = {
.verifyclient = true,
.clientcert = true,
.authzclient = true,
.certipaddr = "127.0.0.1",
};
return test_migrate_tls_x509_start_common(from, to, &args);
}
static void *
test_migrate_tls_x509_start_hostile_client(QTestState *from,
QTestState *to)
{
TestMigrateTLSX509 args = {
.verifyclient = true,
.clientcert = true,
.hostileclient = true,
.authzclient = true,
.certipaddr = "127.0.0.1",
};
return test_migrate_tls_x509_start_common(from, to, &args);
}
/*
* The case with no client certificate presented,
* and no server verification
*/
static void *
test_migrate_tls_x509_start_allow_anon_client(QTestState *from,
QTestState *to)
{
TestMigrateTLSX509 args = {
.certipaddr = "127.0.0.1",
};
return test_migrate_tls_x509_start_common(from, to, &args);
}
/*
* The case with no client certificate presented,
* and server verification rejecting
*/
static void *
test_migrate_tls_x509_start_reject_anon_client(QTestState *from,
QTestState *to)
{
TestMigrateTLSX509 args = {
.verifyclient = true,
.certipaddr = "127.0.0.1",
};
return test_migrate_tls_x509_start_common(from, to, &args);
}
static void
test_migrate_tls_x509_finish(QTestState *from,
QTestState *to,
void *opaque)
{
TestMigrateTLSX509Data *data = opaque;
test_tls_cleanup(data->keyfile);
unlink(data->cacert);
unlink(data->servercert);
unlink(data->serverkey);
unlink(data->clientcert);
unlink(data->clientkey);
rmdir(data->workdir);
g_free(data->workdir);
g_free(data->keyfile);
g_free(data);
}
#endif /* CONFIG_TASN1 */
#endif /* CONFIG_GNUTLS */
static int migrate_postcopy_prepare(QTestState **from_ptr,
@ -1020,20 +1251,6 @@ static void test_precopy_unix_plain(void)
test_precopy_common(&args);
}
#ifdef CONFIG_GNUTLS
static void test_precopy_unix_tls_psk(void)
{
g_autofree char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs);
MigrateCommon args = {
.connect_uri = uri,
.listen_uri = uri,
.start_hook = test_migrate_tls_psk_start_match,
.finish_hook = test_migrate_tls_psk_finish,
};
test_precopy_common(&args);
}
#endif
static void test_precopy_unix_dirty_ring(void)
{
@ -1049,6 +1266,53 @@ static void test_precopy_unix_dirty_ring(void)
test_precopy_common(&args);
}
#ifdef CONFIG_GNUTLS
static void test_precopy_unix_tls_psk(void)
{
g_autofree char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs);
MigrateCommon args = {
.connect_uri = uri,
.listen_uri = uri,
.start_hook = test_migrate_tls_psk_start_match,
.finish_hook = test_migrate_tls_psk_finish,
};
test_precopy_common(&args);
}
#ifdef CONFIG_TASN1
static void test_precopy_unix_tls_x509_default_host(void)
{
g_autofree char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs);
MigrateCommon args = {
.start = {
.hide_stderr = true,
},
.connect_uri = uri,
.listen_uri = uri,
.start_hook = test_migrate_tls_x509_start_default_host,
.finish_hook = test_migrate_tls_x509_finish,
.result = MIG_TEST_FAIL_DEST_QUIT_ERR,
};
test_precopy_common(&args);
}
static void test_precopy_unix_tls_x509_override_host(void)
{
g_autofree char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs);
MigrateCommon args = {
.connect_uri = uri,
.listen_uri = uri,
.start_hook = test_migrate_tls_x509_start_override_host,
.finish_hook = test_migrate_tls_x509_finish,
};
test_precopy_common(&args);
}
#endif /* CONFIG_TASN1 */
#endif /* CONFIG_GNUTLS */
#if 0
/* Currently upset on aarch64 TCG */
static void test_ignore_shared(void)
@ -1174,6 +1438,97 @@ static void test_precopy_tcp_tls_psk_mismatch(void)
test_precopy_common(&args);
}
#ifdef CONFIG_TASN1
static void test_precopy_tcp_tls_x509_default_host(void)
{
MigrateCommon args = {
.listen_uri = "tcp:127.0.0.1:0",
.start_hook = test_migrate_tls_x509_start_default_host,
.finish_hook = test_migrate_tls_x509_finish,
};
test_precopy_common(&args);
}
static void test_precopy_tcp_tls_x509_override_host(void)
{
MigrateCommon args = {
.listen_uri = "tcp:127.0.0.1:0",
.start_hook = test_migrate_tls_x509_start_override_host,
.finish_hook = test_migrate_tls_x509_finish,
};
test_precopy_common(&args);
}
static void test_precopy_tcp_tls_x509_mismatch_host(void)
{
MigrateCommon args = {
.start = {
.hide_stderr = true,
},
.listen_uri = "tcp:127.0.0.1:0",
.start_hook = test_migrate_tls_x509_start_mismatch_host,
.finish_hook = test_migrate_tls_x509_finish,
.result = MIG_TEST_FAIL_DEST_QUIT_ERR,
};
test_precopy_common(&args);
}
static void test_precopy_tcp_tls_x509_friendly_client(void)
{
MigrateCommon args = {
.listen_uri = "tcp:127.0.0.1:0",
.start_hook = test_migrate_tls_x509_start_friendly_client,
.finish_hook = test_migrate_tls_x509_finish,
};
test_precopy_common(&args);
}
static void test_precopy_tcp_tls_x509_hostile_client(void)
{
MigrateCommon args = {
.start = {
.hide_stderr = true,
},
.listen_uri = "tcp:127.0.0.1:0",
.start_hook = test_migrate_tls_x509_start_hostile_client,
.finish_hook = test_migrate_tls_x509_finish,
.result = MIG_TEST_FAIL,
};
test_precopy_common(&args);
}
static void test_precopy_tcp_tls_x509_allow_anon_client(void)
{
MigrateCommon args = {
.listen_uri = "tcp:127.0.0.1:0",
.start_hook = test_migrate_tls_x509_start_allow_anon_client,
.finish_hook = test_migrate_tls_x509_finish,
};
test_precopy_common(&args);
}
static void test_precopy_tcp_tls_x509_reject_anon_client(void)
{
MigrateCommon args = {
.start = {
.hide_stderr = true,
},
.listen_uri = "tcp:127.0.0.1:0",
.start_hook = test_migrate_tls_x509_start_reject_anon_client,
.finish_hook = test_migrate_tls_x509_finish,
.result = MIG_TEST_FAIL,
};
test_precopy_common(&args);
}
#endif /* CONFIG_TASN1 */
#endif /* CONFIG_GNUTLS */
static void *test_migrate_fd_start_hook(QTestState *from,
@ -1642,6 +1997,12 @@ int main(int argc, char **argv)
#ifdef CONFIG_GNUTLS
qtest_add_func("/migration/precopy/unix/tls/psk",
test_precopy_unix_tls_psk);
#ifdef CONFIG_TASN1
qtest_add_func("/migration/precopy/unix/tls/x509/default-host",
test_precopy_unix_tls_x509_default_host);
qtest_add_func("/migration/precopy/unix/tls/x509/override-host",
test_precopy_unix_tls_x509_override_host);
#endif /* CONFIG_TASN1 */
#endif /* CONFIG_GNUTLS */
qtest_add_func("/migration/precopy/tcp/plain", test_precopy_tcp_plain);
@ -1650,6 +2011,22 @@ int main(int argc, char **argv)
test_precopy_tcp_tls_psk_match);
qtest_add_func("/migration/precopy/tcp/tls/psk/mismatch",
test_precopy_tcp_tls_psk_mismatch);
#ifdef CONFIG_TASN1
qtest_add_func("/migration/precopy/tcp/tls/x509/default-host",
test_precopy_tcp_tls_x509_default_host);
qtest_add_func("/migration/precopy/tcp/tls/x509/override-host",
test_precopy_tcp_tls_x509_override_host);
qtest_add_func("/migration/precopy/tcp/tls/x509/mismatch-host",
test_precopy_tcp_tls_x509_mismatch_host);
qtest_add_func("/migration/precopy/tcp/tls/x509/friendly-client",
test_precopy_tcp_tls_x509_friendly_client);
qtest_add_func("/migration/precopy/tcp/tls/x509/hostile-client",
test_precopy_tcp_tls_x509_hostile_client);
qtest_add_func("/migration/precopy/tcp/tls/x509/allow-anon-client",
test_precopy_tcp_tls_x509_allow_anon_client);
qtest_add_func("/migration/precopy/tcp/tls/x509/reject-anon-client",
test_precopy_tcp_tls_x509_reject_anon_client);
#endif /* CONFIG_TASN1 */
#endif /* CONFIG_GNUTLS */
/* qtest_add_func("/migration/ignore_shared", test_ignore_shared); */