1 /*
2 * Copyright (C) 2023 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in
12 * the documentation and/or other materials provided with the
13 * distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <stddef.h> // glibc's <syslog.h> breaks without this; musl seems fine.
30
31 #define SYSLOG_NAMES
32 #include <syslog.h>
33
34 #include <errno.h>
35 #include <gtest/gtest.h>
36
37 #include "utils.h"
38
TEST(syslog,syslog_percent_m)39 TEST(syslog, syslog_percent_m) {
40 ExecTestHelper eth;
41 eth.Run(
42 [&]() {
43 openlog("foo", LOG_PERROR, LOG_AUTH);
44 errno = EINVAL;
45 syslog(LOG_ERR, "a b c: %m");
46 closelog();
47 exit(0);
48 },
49 0, "foo: a b c: Invalid argument\n");
50 }
51
TEST(syslog,syslog_empty)52 TEST(syslog, syslog_empty) {
53 ExecTestHelper eth;
54 eth.Run(
55 [&]() {
56 openlog("foo", LOG_PERROR, LOG_AUTH);
57 errno = EINVAL;
58 syslog(LOG_ERR, "");
59 closelog();
60 exit(0);
61 },
62 0, "foo: \n");
63 }
64
TEST(syslog,syslog_truncation)65 TEST(syslog, syslog_truncation) {
66 ExecTestHelper eth;
67 eth.Run(
68 [&]() {
69 openlog("bar", LOG_PERROR, LOG_AUTH);
70 char too_long[2048] = {};
71 memset(too_long, 'x', sizeof(too_long) - 1);
72 syslog(LOG_ERR, "%s", too_long);
73 closelog();
74 exit(0);
75 },
76 0, "bar: x{1023}\n");
77 }
78
by_name(const CODE * array,const char * name)79 static int by_name(const CODE* array, const char* name) {
80 for (auto c = array; c->c_name != nullptr; c++) {
81 if (!strcmp(c->c_name, name)) return c->c_val;
82 }
83 return -1;
84 }
85
by_value(const CODE * array,int value)86 static const char* by_value(const CODE* array, int value) {
87 for (auto c = array; c->c_name != nullptr; c++) {
88 if (c->c_val == value) return c->c_name;
89 }
90 return nullptr;
91 }
92
TEST(syslog,facilitynames)93 TEST(syslog, facilitynames) {
94 ASSERT_STREQ("auth", by_value(facilitynames, LOG_AUTH));
95 ASSERT_STREQ("local7", by_value(facilitynames, LOG_LOCAL7));
96 ASSERT_EQ(LOG_AUTH, by_name(facilitynames, "auth"));
97 ASSERT_EQ(LOG_LOCAL7, by_name(facilitynames, "local7"));
98 }
99
TEST(syslog,prioritynames)100 TEST(syslog, prioritynames) {
101 ASSERT_STREQ("alert", by_value(prioritynames, LOG_ALERT));
102 ASSERT_STREQ("err", by_value(prioritynames, LOG_ERR));
103 ASSERT_STREQ("warn", by_value(prioritynames, LOG_WARNING));
104 ASSERT_EQ(LOG_ALERT, by_name(prioritynames, "alert"));
105 ASSERT_EQ(LOG_ERR, by_name(prioritynames, "err"));
106 ASSERT_EQ(LOG_WARNING, by_name(prioritynames, "warn"));
107 ASSERT_EQ(LOG_WARNING, by_name(prioritynames, "warning"));
108 }
109