1/* Licensed to the Apache Software Foundation (ASF) under one or more
2 * contributor license agreements.  See the NOTICE file distributed with
3 * this work for additional information regarding copyright ownership.
4 * The ASF licenses this file to You under the Apache License, Version 2.0
5 * (the "License"); you may not use this file except in compliance with
6 * the License.  You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "testflock.h"
18#include "testutil.h"
19#include "apr_pools.h"
20#include "apr_thread_proc.h"
21#include "apr_file_io.h"
22#include "apr_file_info.h"
23#include "apr_general.h"
24#include "apr_strings.h"
25
26static int launch_reader(abts_case *tc)
27{
28    apr_proc_t proc = {0};
29    apr_procattr_t *procattr;
30    const char *args[2];
31    apr_status_t rv;
32    apr_exit_why_e why;
33    int exitcode;
34
35    rv = apr_procattr_create(&procattr, p);
36    APR_ASSERT_SUCCESS(tc, "Couldn't create procattr", rv);
37
38    rv = apr_procattr_io_set(procattr, APR_NO_PIPE, APR_NO_PIPE,
39            APR_NO_PIPE);
40    APR_ASSERT_SUCCESS(tc, "Couldn't set io in procattr", rv);
41
42    rv = apr_procattr_cmdtype_set(procattr, APR_PROGRAM_ENV);
43    APR_ASSERT_SUCCESS(tc, "Couldn't set copy environment", rv);
44
45    rv = apr_procattr_error_check_set(procattr, 1);
46    APR_ASSERT_SUCCESS(tc, "Couldn't set error check in procattr", rv);
47
48    args[0] = "tryread" EXTENSION;
49    args[1] = NULL;
50    rv = apr_proc_create(&proc, TESTBINPATH "tryread" EXTENSION, args, NULL, procattr, p);
51    APR_ASSERT_SUCCESS(tc, "Couldn't launch program", rv);
52
53    ABTS_ASSERT(tc, "wait for child process",
54            apr_proc_wait(&proc, &exitcode, &why, APR_WAIT) == APR_CHILD_DONE);
55
56    ABTS_ASSERT(tc, "child terminated normally", why == APR_PROC_EXIT);
57    return exitcode;
58}
59
60static void test_withlock(abts_case *tc, void *data)
61{
62    apr_file_t *file;
63    apr_status_t rv;
64    int code;
65
66    rv = apr_file_open(&file, TESTFILE, APR_FOPEN_WRITE|APR_FOPEN_CREATE,
67                       APR_OS_DEFAULT, p);
68    APR_ASSERT_SUCCESS(tc, "Could not create file.", rv);
69    ABTS_PTR_NOTNULL(tc, file);
70
71    rv = apr_file_lock(file, APR_FLOCK_EXCLUSIVE);
72    APR_ASSERT_SUCCESS(tc, "Could not lock the file.", rv);
73    ABTS_PTR_NOTNULL(tc, file);
74
75    code = launch_reader(tc);
76    ABTS_INT_EQUAL(tc, FAILED_READ, code);
77
78    (void) apr_file_close(file);
79}
80
81static void test_withoutlock(abts_case *tc, void *data)
82{
83    int code;
84
85    code = launch_reader(tc);
86    ABTS_INT_EQUAL(tc, SUCCESSFUL_READ, code);
87}
88
89static void remove_lockfile(abts_case *tc, void *data)
90{
91    APR_ASSERT_SUCCESS(tc, "Couldn't remove lock file.",
92                       apr_file_remove(TESTFILE, p));
93}
94
95abts_suite *testflock(abts_suite *suite)
96{
97    suite = ADD_SUITE(suite)
98
99    abts_run_test(suite, test_withlock, NULL);
100    abts_run_test(suite, test_withoutlock, NULL);
101    abts_run_test(suite, remove_lockfile, NULL);
102
103    return suite;
104}
105