Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190523143508.25387-4-armbru@redhat.com> [Rebased with conflicts resolved automatically, except for hw/usb/dev-hub.c hw/misc/exynos4210_rng.c hw/misc/bcm2835_rng.c hw/misc/aspeed_scu.c hw/display/virtio-vga.c hw/arm/stm32f205_soc.c; ui/cocoa.m fixed up]
		
			
				
	
	
		
			126 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			126 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * QEMU PAM authorization object tests
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 *
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 * Copyright (c) 2018 Red Hat, Inc.
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
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 *
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 */
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#include "qemu/osdep.h"
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#include "qapi/error.h"
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#include "qemu/module.h"
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#include "authz/pamacct.h"
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#include <security/pam_appl.h>
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static bool failauth;
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/*
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 * These two functions are exported by libpam.so.
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 *
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 * By defining them again here, our impls are resolved
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 * by the linker instead of those in libpam.so
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 *
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 * The test suite is thus isolated from the host system
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 * PAM setup, so we can do predictable test scenarios
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 */
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int
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pam_start(const char *service_name, const char *user,
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          const struct pam_conv *pam_conversation,
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          pam_handle_t **pamh)
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{
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    failauth = true;
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    if (!g_str_equal(service_name, "qemu-vnc")) {
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        return PAM_AUTH_ERR;
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    }
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    if (g_str_equal(user, "fred")) {
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        failauth = false;
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    }
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    return PAM_SUCCESS;
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}
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int
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pam_acct_mgmt(pam_handle_t *pamh, int flags)
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{
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    if (failauth) {
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        return PAM_AUTH_ERR;
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    }
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    return PAM_SUCCESS;
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}
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static void test_authz_unknown_service(void)
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{
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    Error *local_err = NULL;
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    QAuthZPAM *auth = qauthz_pam_new("auth0",
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                                     "qemu-does-not-exist",
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                                     &error_abort);
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    g_assert_nonnull(auth);
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    g_assert_false(qauthz_is_allowed(QAUTHZ(auth), "fred", &local_err));
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    error_free_or_abort(&local_err);
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    object_unparent(OBJECT(auth));
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}
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static void test_authz_good_user(void)
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{
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    QAuthZPAM *auth = qauthz_pam_new("auth0",
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                                     "qemu-vnc",
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                                     &error_abort);
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    g_assert_nonnull(auth);
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    g_assert_true(qauthz_is_allowed(QAUTHZ(auth), "fred", &error_abort));
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    object_unparent(OBJECT(auth));
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}
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static void test_authz_bad_user(void)
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{
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    Error *local_err = NULL;
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    QAuthZPAM *auth = qauthz_pam_new("auth0",
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                                     "qemu-vnc",
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                                     &error_abort);
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    g_assert_nonnull(auth);
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    g_assert_false(qauthz_is_allowed(QAUTHZ(auth), "bob", &local_err));
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    error_free_or_abort(&local_err);
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    object_unparent(OBJECT(auth));
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}
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int main(int argc, char **argv)
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{
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    g_test_init(&argc, &argv, NULL);
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    module_call_init(MODULE_INIT_QOM);
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    g_test_add_func("/auth/pam/unknown-service", test_authz_unknown_service);
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    g_test_add_func("/auth/pam/good-user", test_authz_good_user);
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    g_test_add_func("/auth/pam/bad-user", test_authz_bad_user);
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    return g_test_run();
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}
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