| /* |
| * QEMU PAM authorization object tests |
| * |
| * Copyright (c) 2018 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 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/>. |
| * |
| */ |
| |
| #include "qemu/osdep.h" |
| #include "qapi/error.h" |
| #include "authz/pamacct.h" |
| |
| #include <security/pam_appl.h> |
| |
| static bool failauth; |
| |
| /* |
| * These two functions are exported by libpam.so. |
| * |
| * By defining them again here, our impls are resolved |
| * by the linker instead of those in libpam.so |
| * |
| * The test suite is thus isolated from the host system |
| * PAM setup, so we can do predictable test scenarios |
| */ |
| int |
| pam_start(const char *service_name, const char *user, |
| const struct pam_conv *pam_conversation, |
| pam_handle_t **pamh) |
| { |
| failauth = true; |
| if (!g_str_equal(service_name, "qemu-vnc")) { |
| return PAM_AUTH_ERR; |
| } |
| |
| if (g_str_equal(user, "fred")) { |
| failauth = false; |
| } |
| |
| return PAM_SUCCESS; |
| } |
| |
| |
| int |
| pam_acct_mgmt(pam_handle_t *pamh, int flags) |
| { |
| if (failauth) { |
| return PAM_AUTH_ERR; |
| } |
| |
| return PAM_SUCCESS; |
| } |
| |
| |
| static void test_authz_unknown_service(void) |
| { |
| Error *local_err = NULL; |
| QAuthZPAM *auth = qauthz_pam_new("auth0", |
| "qemu-does-not-exist", |
| &error_abort); |
| |
| g_assert_nonnull(auth); |
| |
| g_assert_false(qauthz_is_allowed(QAUTHZ(auth), "fred", &local_err)); |
| |
| error_free_or_abort(&local_err); |
| object_unparent(OBJECT(auth)); |
| } |
| |
| |
| static void test_authz_good_user(void) |
| { |
| QAuthZPAM *auth = qauthz_pam_new("auth0", |
| "qemu-vnc", |
| &error_abort); |
| |
| g_assert_nonnull(auth); |
| |
| g_assert_true(qauthz_is_allowed(QAUTHZ(auth), "fred", &error_abort)); |
| |
| object_unparent(OBJECT(auth)); |
| } |
| |
| |
| static void test_authz_bad_user(void) |
| { |
| Error *local_err = NULL; |
| QAuthZPAM *auth = qauthz_pam_new("auth0", |
| "qemu-vnc", |
| &error_abort); |
| |
| g_assert_nonnull(auth); |
| |
| g_assert_false(qauthz_is_allowed(QAUTHZ(auth), "bob", &local_err)); |
| |
| error_free_or_abort(&local_err); |
| object_unparent(OBJECT(auth)); |
| } |
| |
| |
| int main(int argc, char **argv) |
| { |
| g_test_init(&argc, &argv, NULL); |
| |
| module_call_init(MODULE_INIT_QOM); |
| |
| g_test_add_func("/auth/pam/unknown-service", test_authz_unknown_service); |
| g_test_add_func("/auth/pam/good-user", test_authz_good_user); |
| g_test_add_func("/auth/pam/bad-user", test_authz_bad_user); |
| |
| return g_test_run(); |
| } |