t_paths.c revision 313498 
1/*	$NetBSD: t_paths.c,v 1.16 2015/05/07 06:23:23 pgoyette 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_paths.c,v 1.16 2015/05/07 06:23:23 pgoyette Exp $");
33
34#include <sys/param.h>
35#include <sys/stat.h>
36
37#include <errno.h>
38#include <fcntl.h>
39#include <paths.h>
40#include <stdio.h>
41#include <string.h>
42#include <unistd.h>
43
44#include <atf-c.h>
45
46#define PATH_DEV	__BIT(0)	/* A device node	*/
47#define PATH_DIR	__BIT(1)	/* A directory		*/
48#define PATH_FILE	__BIT(2)	/* A file		*/
49#define PATH_ROOT	__BIT(3)	/* Access for root only */
50#define PATH_OPT	__BIT(3)	/* Optional, ENODEV if not supported */
51
52static const struct {
53	const char	*path;
54	int		 flags;
55} paths[] = {
56	{ _PATH_AUDIO,		PATH_DEV		},
57	{ _PATH_AUDIO0,		PATH_DEV		},
58	{ _PATH_AUDIOCTL,	PATH_DEV		},
59	{ _PATH_AUDIOCTL0,	PATH_DEV		},
60	{ _PATH_BPF,		PATH_DEV | PATH_ROOT	},
61	{ _PATH_CLOCKCTL,	PATH_DEV | PATH_ROOT	},
62	{ _PATH_CONSOLE,	PATH_DEV | PATH_ROOT	},
63	{ _PATH_CONSTTY,	PATH_DEV | PATH_ROOT	},
64	{ _PATH_CPUCTL,		PATH_DEV		},
65	{ _PATH_CSMAPPER,	PATH_DIR		},
66	{ _PATH_DEFTAPE,	PATH_DEV | PATH_ROOT	},
67	{ _PATH_DEVCDB,		PATH_FILE		},
68	{ _PATH_DEVDB,		PATH_FILE		},
69	{ _PATH_DEVNULL,	PATH_DEV		},
70	{ _PATH_DRUM,		PATH_DEV | PATH_ROOT	},
71	{ _PATH_ESDB,		PATH_DIR		},
72	{ _PATH_FTPUSERS,	PATH_FILE		},
73	{ _PATH_GETTYTAB,	PATH_FILE		},
74	{ _PATH_I18NMODULE,	PATH_DIR		},
75	{ _PATH_ICONV,		PATH_DIR		},
76	{ _PATH_KMEM,		PATH_DEV | PATH_ROOT	},
77	{ _PATH_KSYMS,		PATH_DEV		},
78	{ _PATH_KVMDB,		PATH_FILE		},
79	{ _PATH_LOCALE,		PATH_DIR		},
80	{ _PATH_MAILDIR,	PATH_DIR		},
81	{ _PATH_MAN,		PATH_DIR		},
82	{ _PATH_MEM,		PATH_DEV | PATH_ROOT	},
83	{ _PATH_MIXER,		PATH_DEV		},
84	{ _PATH_MIXER0,		PATH_DEV		},
85	{ _PATH_NOLOGIN,	PATH_FILE		},
86	{ _PATH_POWER,		PATH_DEV | PATH_ROOT | PATH_OPT	},
87	{ _PATH_PRINTCAP,	PATH_FILE		},
88	{ _PATH_PUD,		PATH_DEV | PATH_ROOT	},
89	{ _PATH_PUFFS,		PATH_DEV | PATH_ROOT	},
90	{ _PATH_RANDOM,		PATH_DEV		},
91	{ _PATH_SENDMAIL,	PATH_FILE		},
92	{ _PATH_SHELLS,		PATH_FILE		},
93	{ _PATH_SKEYKEYS,	PATH_FILE | PATH_ROOT	},
94	{ _PATH_SOUND,		PATH_DEV		},
95	{ _PATH_SOUND0,		PATH_DEV		},
96	{ _PATH_SYSMON,		PATH_DEV | PATH_OPT	},
97	{ _PATH_TTY,		PATH_DEV		},
98	{ _PATH_UNIX,		PATH_FILE | PATH_ROOT	},
99	{ _PATH_URANDOM,	PATH_DEV		},
100	{ _PATH_VIDEO,		PATH_DEV		},
101	{ _PATH_VIDEO0,		PATH_DEV		},
102	{ _PATH_WATCHDOG,	PATH_DEV | PATH_OPT	},
103
104	{ _PATH_DEV,		PATH_DIR		},
105	{ _PATH_DEV_PTS,	PATH_DIR		},
106	{ _PATH_EMUL_AOUT,	PATH_DIR		},
107	{ _PATH_TMP,		PATH_DIR		},
108	{ _PATH_VARDB,		PATH_DIR		},
109	{ _PATH_VARRUN,		PATH_DIR		},
110	{ _PATH_VARTMP,		PATH_DIR		},
111
112	{ _PATH_BSHELL,		PATH_FILE		},
113	{ _PATH_CSHELL,		PATH_FILE		},
114	{ _PATH_VI,		PATH_FILE		},
115};
116
117ATF_TC(paths);
118ATF_TC_HEAD(paths, tc)
119{
120	atf_tc_set_md_var(tc, "descr", "A basic test for <paths.h>");
121}
122
123ATF_TC_BODY(paths, tc)
124{
125	struct stat st;
126	uid_t uid;
127	mode_t m;
128	size_t i;
129	int fd;
130
131#if defined(__sparc__)
132	atf_tc_skip("PR port-sparc/45580");
133#endif
134
135	uid = getuid();
136
137	for (i = 0; i < __arraycount(paths); i++) {
138
139		(void)fprintf(stderr, "testing '%s'\n", paths[i].path);
140
141		errno = 0;
142		fd = open(paths[i].path, O_RDONLY);
143
144		if (fd < 0) {
145
146			switch (errno) {
147
148			case ENODEV:
149				if ((paths[i].flags & PATH_OPT) == 0) {
150
151					atf_tc_fail("Required path %s does "
152					    "not exist", paths[i].path);
153				}
154				break;
155
156			case EPERM:	/* FALLTHROUGH */
157			case EACCES:	/* FALLTHROUGH */
158
159				if ((paths[i].flags & PATH_ROOT) == 0) {
160
161					atf_tc_fail("UID %u failed to open %s, "
162					    "error %d", (uint32_t)uid,
163					     paths[i].path, errno);
164				}
165
166			case EBUSY:	/* FALLTHROUGH */
167			case ENXIO:	/* FALLTHROUGH */
168			case ENOENT:	/* FALLTHROUGH */
169
170			default:
171				continue;
172			}
173		}
174
175		(void)memset(&st, 0, sizeof(struct stat));
176
177		ATF_REQUIRE(fstat(fd, &st) == 0);
178
179		m = st.st_mode;
180
181		if ((paths[i].flags & PATH_DEV) != 0) {
182
183			ATF_CHECK(S_ISBLK(m) != 0 || S_ISCHR(m) != 0);
184
185			ATF_CHECK((paths[i].flags & PATH_DIR) == 0);
186			ATF_CHECK((paths[i].flags & PATH_FILE) == 0);
187		}
188
189		if ((paths[i].flags & PATH_DIR) != 0) {
190
191			ATF_CHECK(S_ISDIR(m) != 0);
192
193			ATF_CHECK((paths[i].flags & PATH_DEV) == 0);
194			ATF_CHECK((paths[i].flags & PATH_FILE) == 0);
195		}
196
197		if ((paths[i].flags & PATH_FILE) != 0) {
198
199			ATF_CHECK(S_ISREG(m) != 0);
200
201			ATF_CHECK((paths[i].flags & PATH_DEV) == 0);
202			ATF_CHECK((paths[i].flags & PATH_DIR) == 0);
203		}
204
205		ATF_REQUIRE(close(fd) == 0);
206	}
207}
208
209ATF_TP_ADD_TCS(tp)
210{
211
212	ATF_TP_ADD_TC(tp, paths);
213
214	return atf_no_error();
215}
216