/* * 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 2.1 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/>. * */ #include "qemu/osdep.h" #include "qapi/error.h" #include "qemu/module.h" #include "authz/pamacct.h" #include <security/pam_appl.h> static bool failauth; /* * These three 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; } *pamh = (pam_handle_t *)0xbadeaffe; return PAM_SUCCESS; } int pam_acct_mgmt(pam_handle_t *pamh, int flags) { if (failauth) { return PAM_AUTH_ERR; } return PAM_SUCCESS; } int pam_end(pam_handle_t *pamh, int status) { 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(); }