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/*
* Tests for queuing behavior in the krb5-sync plugin.
*
* It's difficult to test actions that make actual LDAP or set_password calls,
* since one then needs an Active Directory test environment to point at. But
* we can test all plugin behavior that involves queuing, by forcing changes
* to queue.
*
* Written by Russ Allbery <eagle@eyrie.org>
* Copyright 2012, 2013
* The Board of Trustees of the Leland Stanford Junior University
*
* See LICENSE for licensing terms.
*/
#include <config.h>
#include <portable/kadmin.h>
#include <portable/krb5.h>
#include <portable/system.h>
#include <errno.h>
#include <sys/stat.h>
#include <plugin/internal.h>
#include <tests/tap/basic.h>
#include <tests/tap/kerberos.h>
#include <tests/tap/string.h>
#include <tests/tap/sync.h>
int
main(void)
{
char *path, *tmpdir, *krb5_config, *old_krb5_config;
krb5_context ctx;
krb5_principal princ;
krb5_error_code code;
kadm5_hook_modinfo *data;
const char *message;
char *wanted;
/* Define the plan. */
plan(47);
/* Set up a temporary directory and queue relative to it. */
tmpdir = test_tmpdir();
if (chdir(tmpdir) < 0)
sysbail("cannot cd to %s", tmpdir);
if (mkdir("queue", 0777) < 0)
sysbail("cannot mkdir queue");
/* Point KRB5_CONFIG at the correct krb5.conf file. */
path = test_file_path("data/krb5.conf");
if (path == NULL)
bail("cannot find data/krb5.conf in the test suite");
basprintf(&krb5_config, "KRB5_CONFIG=%s", path);
if (putenv(krb5_config) < 0)
sysbail("cannot set KRB5_CONFIG in the environment");
/* Obtain a new Kerberos context with that krb5.conf file. */
code = krb5_init_context(&ctx);
if (code != 0)
bail_krb5(ctx, code, "cannot create Kerberos context");
/* Test init. */
is_int(0, sync_init(ctx, &data), "sync_init succeeds");
ok(data != NULL, "...and data is non-NULL");
/* Block processing for our test user and then test password change. */
code = krb5_parse_name(ctx, "test@EXAMPLE.COM", &princ);
if (code != 0)
bail_krb5(ctx, code, "cannot parse principal test@EXAMPLE.COM");
sync_queue_block("queue", "test", "password");
code = sync_chpass(data, ctx, princ, "foobar");
is_int(0, code, "sync_chpass succeeds");
ok(access("queue/.lock", F_OK) == 0, "...lock file now exists");
sync_queue_check_password("queue", "test", "foobar");
sync_queue_unblock("queue", "test", "password");
/* Block processing for our test user and then test enable. */
sync_queue_block("queue", "test", "enable");
code = sync_status(data, ctx, princ, true);
is_int(0, code, "sync_status enable succeeds");
sync_queue_check_enable("queue", "test", true);
/* Do the same thing for disables, which should still be blocked. */
code = sync_status(data, ctx, princ, false);
is_int(0, code, "sync_status disable succeeds");
sync_queue_check_enable("queue", "test", false);
sync_queue_unblock("queue", "test", "enable");
/* Queue a password change for a root instance. */
krb5_free_principal(ctx, princ);
code = krb5_parse_name(ctx, "test/root@EXAMPLE.COM", &princ);
if (code != 0)
bail_krb5(ctx, code, "cannot parse principal test/root@EXAMPLE.COM");
sync_queue_block("queue", "test/root", "password");
code = sync_chpass(data, ctx, princ, "foobar");
is_int(0, code, "sync_chpass of root instance succeeds");
sync_queue_check_password("queue", "test/root", "foobar");
sync_queue_unblock("queue", "test/root", "password");
/* Queue an account disable for an ipass instance. */
krb5_free_principal(ctx, princ);
code = krb5_parse_name(ctx, "test/ipass@EXAMPLE.COM", &princ);
if (code != 0)
bail_krb5(ctx, code, "cannot parse principal test/ipass@EXAMPLE.COM");
sync_queue_block("queue", "test/ipass", "enable");
code = sync_status(data, ctx, princ, true);
is_int(0, code, "sync_status of root instance succeeds");
sync_queue_check_enable("queue", "test/ipass", true);
sync_queue_unblock("queue", "test/ipass", "enable");
/*
* Try queuing a change for an admin instance, which should do nothing,
* successfully. We'll test there's no queued changes by deleting the
* queue file.
*/
krb5_free_principal(ctx, princ);
code = krb5_parse_name(ctx, "test/admin@EXAMPLE.COM", &princ);
if (code != 0)
bail_krb5(ctx, code, "cannot parse principal test/admin@EXAMPLE.COM");
code = sync_chpass(data, ctx, princ, "foobar");
is_int(0, code, "sync_chpass of admin instance succeeds");
code = sync_status(data, ctx, princ, true);
is_int(0, code, "sync_status enable of admin instance succeeds");
/* Unwind the queue and be sure all the right files exist. */
ok(unlink("queue/.lock") == 0, "Lock file still exists");
ok(rmdir("queue") == 0, "No other files in queue directory");
/* Check failure when there's no queue directory. */
krb5_free_principal(ctx, princ);
code = krb5_parse_name(ctx, "test/root@EXAMPLE.COM", &princ);
if (code != 0)
bail_krb5(ctx, code, "cannot parse principal test/root@EXAMPLE.COM");
basprintf(&wanted, "cannot open lock file queue/.lock: %s",
strerror(ENOENT));
code = sync_chpass(data, ctx, princ, "foobar");
is_int(ENOENT, code, "sync_chpass fails with no queue");
message = krb5_get_error_message(ctx, code);
is_string(wanted, message, "...with correct error message");
krb5_free_error_message(ctx, message);
code = sync_status(data, ctx, princ, false);
is_int(ENOENT, code, "sync_status disable fails with no queue");
message = krb5_get_error_message(ctx, code);
is_string(wanted, message, "...with correct error message");
krb5_free_error_message(ctx, message);
/* Shut down the plugin. */
sync_close(ctx, data);
free(wanted);
krb5_free_principal(ctx, princ);
krb5_free_context(ctx);
test_file_path_free(path);
/* Change to an empty Kerberos configuration file. */
path = test_file_path("data/krb5-empty.conf");
if (path == NULL)
bail("cannot find data/krb5-empty.conf in the test suite");
old_krb5_config = krb5_config;
basprintf(&krb5_config, "KRB5_CONFIG=%s", path);
if (putenv(krb5_config) < 0)
sysbail("cannot set KRB5CCNAME");
free(old_krb5_config);
code = krb5_init_context(&ctx);
if (code != 0)
bail_krb5(ctx, code, "cannot create Kerberos context");
/* Make sure the plugin does nothing when there's no configuration. */
is_int(0, sync_init(ctx, &data), "sync_init succeeds");
ok(data != NULL, "...and data is non-NULL");
code = krb5_parse_name(ctx, "test@EXAMPLE.COM", &princ);
if (code != 0)
bail_krb5(ctx, code, "cannot parse principal test@EXAMPLE.COM");
code = sync_chpass(data, ctx, princ, "foobar");
is_int(0, code, "sync_chpass succeeds");
code = sync_status(data, ctx, princ, false);
is_int(0, code, "sync_status disable succeeds");
sync_close(ctx, data);
/* Clean up. */
krb5_free_principal(ctx, princ);
krb5_free_context(ctx);
putenv((char *) "KRB5_CONFIG=");
if (chdir("..") < 0)
sysbail("cannot chdir to parent directory");
test_tmpdir_free(tmpdir);
free(krb5_config);
test_file_path_free(path);
return 0;
}
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