1 /* $NetBSD: t_ttyname.c,v 1.4 2017/01/10 15:33:40 christos Exp $ */
2
3 /*-
4 * Copyright (c) 2011 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jukka Ruohonen.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31 #include <sys/cdefs.h>
32 __RCSID("$NetBSD: t_ttyname.c,v 1.4 2017/01/10 15:33:40 christos Exp $");
33
34 #include <atf-c.h>
35 #include <errno.h>
36 #include <fcntl.h>
37 #include <stdlib.h>
38 #include <string.h>
39 #include <unistd.h>
40
41 static long ttymax = 0;
42
43 ATF_TC(ttyname_err);
ATF_TC_HEAD(ttyname_err,tc)44 ATF_TC_HEAD(ttyname_err, tc)
45 {
46 atf_tc_set_md_var(tc, "descr", "Test errors in ttyname(3)");
47 }
48
ATF_TC_BODY(ttyname_err,tc)49 ATF_TC_BODY(ttyname_err, tc)
50 {
51 int fd;
52
53 fd = open("XXX", O_RDONLY);
54
55 if (fd < 0) {
56
57 errno = 0;
58
59 ATF_REQUIRE(isatty(fd) != -1);
60 ATF_REQUIRE(errno == EBADF);
61
62 errno = 0;
63
64 ATF_REQUIRE(ttyname(fd) == NULL);
65 ATF_REQUIRE(errno == EBADF);
66 }
67
68 fd = open("/etc/passwd", O_RDONLY);
69
70 if (fd >= 0) {
71
72 errno = 0;
73
74 ATF_REQUIRE(isatty(fd) != -1);
75 ATF_REQUIRE(errno == ENOTTY);
76
77 errno = 0;
78
79 ATF_REQUIRE(ttyname(fd) == NULL);
80 ATF_REQUIRE(errno == ENOTTY);
81 (void)close(fd);
82 }
83 }
84
85 ATF_TC(ttyname_r_err);
ATF_TC_HEAD(ttyname_r_err,tc)86 ATF_TC_HEAD(ttyname_r_err, tc)
87 {
88 atf_tc_set_md_var(tc, "descr", "Test errors in ttyname_r(3)");
89 }
90
ATF_TC_BODY(ttyname_r_err,tc)91 ATF_TC_BODY(ttyname_r_err, tc)
92 {
93 char sbuf[0];
94 char *buf;
95 int fd;
96 int rv;
97
98 buf = malloc(ttymax + 1);
99
100 if (buf == NULL)
101 return;
102
103 (void)memset(buf, '\0', ttymax + 1);
104
105 if (isatty(STDIN_FILENO) != 0) {
106
107 rv = ttyname_r(STDIN_FILENO, sbuf, sizeof(sbuf));
108 ATF_REQUIRE(rv == ERANGE);
109 }
110
111 rv = ttyname_r(-1, buf, ttymax);
112 ATF_REQUIRE(rv == EBADF);
113
114 fd = open("/etc/passwd", O_RDONLY);
115
116 if (fd >= 0) {
117 rv = ttyname_r(fd, buf, ttymax);
118 ATF_REQUIRE(rv == ENOTTY);
119 ATF_REQUIRE(close(fd) == 0);
120 }
121
122 free(buf);
123 }
124
125 ATF_TC(ttyname_r_stdin);
ATF_TC_HEAD(ttyname_r_stdin,tc)126 ATF_TC_HEAD(ttyname_r_stdin, tc)
127 {
128 atf_tc_set_md_var(tc, "descr", "Test ttyname_r(3) with stdin(3)");
129 }
130
ATF_TC_BODY(ttyname_r_stdin,tc)131 ATF_TC_BODY(ttyname_r_stdin, tc)
132 {
133 const char *str;
134 char *buf;
135 int rv;
136
137 if (isatty(STDIN_FILENO) == 0)
138 return;
139
140 buf = malloc(ttymax + 1);
141
142 if (buf == NULL)
143 return;
144
145 (void)memset(buf, '\0', ttymax + 1);
146
147 str = ttyname(STDIN_FILENO);
148 rv = ttyname_r(STDIN_FILENO, buf, ttymax);
149
150 ATF_REQUIRE(rv == 0);
151 ATF_REQUIRE(str != NULL);
152
153 if (strcmp(str, buf) != 0)
154 atf_tc_fail("ttyname(3) and ttyname_r(3) conflict");
155
156 free(buf);
157 }
158
159 ATF_TC(ttyname_stdin);
ATF_TC_HEAD(ttyname_stdin,tc)160 ATF_TC_HEAD(ttyname_stdin, tc)
161 {
162 atf_tc_set_md_var(tc, "descr", "Test ttyname(3) with stdin(3)");
163 }
164
ATF_TC_BODY(ttyname_stdin,tc)165 ATF_TC_BODY(ttyname_stdin, tc)
166 {
167
168 if (isatty(STDIN_FILENO) != 0)
169 ATF_REQUIRE(ttyname(STDIN_FILENO) != NULL);
170
171 (void)close(STDIN_FILENO);
172
173 ATF_REQUIRE(isatty(STDIN_FILENO) != 1);
174 ATF_REQUIRE(ttyname(STDIN_FILENO) == NULL);
175 }
176
ATF_TP_ADD_TCS(tp)177 ATF_TP_ADD_TCS(tp)
178 {
179
180 ttymax = sysconf(_SC_TTY_NAME_MAX);
181 ATF_REQUIRE(ttymax >= 0);
182
183 ATF_TP_ADD_TC(tp, ttyname_err);
184 ATF_TP_ADD_TC(tp, ttyname_r_err);
185 ATF_TP_ADD_TC(tp, ttyname_r_stdin);
186 ATF_TP_ADD_TC(tp, ttyname_stdin);
187
188 return atf_no_error();
189 }
190