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a07e9fdd33
A test with sanitizers on macOS shows this error:
authz/pamacct.c:50:25: runtime error: null pointer passed as argument 1, which is declared to never be null
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/security/pam_appl.h:56:2: note: nonnull attribute specified here
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
134 lines
3.2 KiB
C
134 lines
3.2 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 2.1 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 three 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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*pamh = (pam_handle_t *)0xbadeaffe;
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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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int
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pam_end(pam_handle_t *pamh, int status)
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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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