xref: /freebsd/lib/libcam/tests/libcam_test.c (revision e0c4386e)
1 /*-
2  * Copyright (c) 2017 Enji Cooper <ngie@freebsd.org>
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23  * SUCH DAMAGE.
24  */
25 
26 /* Tests functions in lib/libcam/camlib.c */
27 
28 #include <sys/cdefs.h>
29 #include <errno.h>
30 #include <fcntl.h>
31 #include <stdio.h>
32 #include <camlib.h>
33 
34 #include <atf-c.h>
35 
36 static const char *
37 get_cam_test_device(const atf_tc_t *tc)
38 {
39 	const char *cam_test_device;
40 
41 	cam_test_device = atf_tc_get_config_var(tc, "cam_test_device");
42 
43 	return (cam_test_device);
44 }
45 
46 static void
47 cam_clear_error(void)
48 {
49 
50 	strcpy(cam_errbuf, "");
51 }
52 
53 static bool
54 cam_has_error(void)
55 {
56 
57 	return (strlen(cam_errbuf) != 0);
58 }
59 
60 ATF_TC_WITHOUT_HEAD(cam_get_device_negative_test_NULL_path);
61 ATF_TC_BODY(cam_get_device_negative_test_NULL_path, tc)
62 {
63 	char parsed_dev_name[DEV_IDLEN + 1];
64 	int parsed_unit;
65 
66 	ATF_REQUIRE_MSG(cam_get_device(NULL, parsed_dev_name,
67 	    nitems(parsed_dev_name), &parsed_unit) == -1,
68 	    "cam_get_device succeeded unexpectedly");
69 }
70 
71 ATF_TC_WITHOUT_HEAD(cam_get_device_negative_test_bad_path);
72 ATF_TC_BODY(cam_get_device_negative_test_bad_path, tc)
73 {
74 	char parsed_dev_name[DEV_IDLEN + 1];
75 	int parsed_unit;
76 
77 	ATF_REQUIRE_MSG(cam_get_device("1ada", parsed_dev_name,
78 	    nitems(parsed_dev_name), &parsed_unit) == -1,
79 	    "cam_get_device succeeded unexpectedly");
80 }
81 
82 ATF_TC_WITHOUT_HEAD(cam_get_device_negative_test_nul_path);
83 ATF_TC_BODY(cam_get_device_negative_test_nul_path, tc)
84 {
85 	char parsed_dev_name[DEV_IDLEN + 1];
86 	int parsed_unit;
87 
88 	ATF_REQUIRE_MSG(cam_get_device("", parsed_dev_name,
89 	    nitems(parsed_dev_name), &parsed_unit) == -1,
90 	    "cam_get_device succeeded unexpectedly");
91 }
92 
93 ATF_TC_WITHOUT_HEAD(cam_get_device_negative_test_root);
94 ATF_TC_BODY(cam_get_device_negative_test_root, tc)
95 {
96 	char parsed_dev_name[DEV_IDLEN + 1];
97 	int parsed_unit;
98 
99 	ATF_REQUIRE_MSG(cam_get_device("/", parsed_dev_name,
100 	    nitems(parsed_dev_name), &parsed_unit) == -1,
101 	    "cam_get_device succeeded unexpectedly");
102 }
103 
104 ATF_TC_WITHOUT_HEAD(cam_get_device_positive_test);
105 ATF_TC_BODY(cam_get_device_positive_test, tc)
106 {
107 	char expected_dev_name[] = "foo";
108 	char parsed_dev_name[DEV_IDLEN + 1];
109 	int expected_unit, parsed_unit;
110 
111 	expected_unit = 1;
112 
113 	ATF_REQUIRE_MSG(cam_get_device("/dev/foo1", parsed_dev_name,
114 	    nitems(parsed_dev_name), &parsed_unit) == 0,
115 	    "cam_get_device failed");
116 	ATF_REQUIRE_STREQ(parsed_dev_name, expected_dev_name);
117 	ATF_REQUIRE(parsed_unit == expected_unit);
118 
119 	strcpy(parsed_dev_name, "");
120 	parsed_unit = -1;
121 
122 	ATF_REQUIRE_MSG(cam_get_device("foo1", parsed_dev_name,
123 	    nitems(parsed_dev_name), &parsed_unit) == 0,
124 	    "cam_get_device failed");
125 	ATF_REQUIRE_STREQ(parsed_dev_name, expected_dev_name);
126 	ATF_REQUIRE(parsed_unit == expected_unit);
127 }
128 
129 /*
130  * sa(4) uniquely creates nsa and esa device nodes for non-rewind operations
131  * and eject-on-close operations.  cam_get_device must special case these nodes
132  * to always return the base device.
133  */
134 ATF_TC_WITHOUT_HEAD(cam_get_device_sa_test);
135 ATF_TC_BODY(cam_get_device_sa_test, tc)
136 {
137 	char parsed_dev_name[DEV_IDLEN + 1];
138 	int parsed_unit;
139 
140 	ATF_REQUIRE_MSG(cam_get_device("nsa99", parsed_dev_name,
141 	    nitems(parsed_dev_name), &parsed_unit) == 0,
142 	    "cam_get_device failed");
143 	ATF_REQUIRE_STREQ(parsed_dev_name, "sa");
144 	ATF_REQUIRE(parsed_unit == 99);
145 
146 	strcpy(parsed_dev_name, "");
147 	parsed_unit = -1;
148 
149 	ATF_REQUIRE_MSG(cam_get_device("esa99", parsed_dev_name,
150 	    nitems(parsed_dev_name), &parsed_unit) == 0,
151 	    "cam_get_device failed");
152 	ATF_REQUIRE_STREQ(parsed_dev_name, "sa");
153 	ATF_REQUIRE(parsed_unit == 99);
154 }
155 
156 ATF_TC(cam_open_device_negative_test_O_RDONLY);
157 ATF_TC_HEAD(cam_open_device_negative_test_O_RDONLY, tc)
158 {
159 
160 	atf_tc_set_md_var(tc, "descr",
161 	    "test that cam_open_device(`cam_device`, O_RDONLY) fails to open "
162 	    "the underlying pass(4) device (bug 217649)");
163 	atf_tc_set_md_var(tc, "require.config", "cam_test_device");
164 	atf_tc_set_md_var(tc, "require.user", "root");
165 }
166 
167 ATF_TC_BODY(cam_open_device_negative_test_O_RDONLY, tc)
168 {
169 	const char *cam_test_device;
170 
171 	cam_test_device = get_cam_test_device(tc);
172 
173 	cam_clear_error();
174 	ATF_CHECK(cam_open_device(cam_test_device, O_RDONLY) == NULL);
175 	ATF_REQUIRE(cam_has_error());
176 }
177 
178 ATF_TC(cam_open_device_negative_test_nonexistent);
179 ATF_TC_HEAD(cam_open_device_negative_test_nonexistent, tc)
180 {
181 
182 	atf_tc_set_md_var(tc, "require.user", "root");
183 }
184 
185 ATF_TC_BODY(cam_open_device_negative_test_nonexistent, tc)
186 {
187 
188 	cam_clear_error();
189 	ATF_REQUIRE(cam_open_device("/nonexistent", O_RDWR) == NULL);
190 	ATF_REQUIRE(cam_has_error());
191 }
192 
193 ATF_TC(cam_open_device_negative_test_unprivileged);
194 ATF_TC_HEAD(cam_open_device_negative_test_unprivileged, tc)
195 {
196 
197 	atf_tc_set_md_var(tc, "require.config", "cam_test_device");
198 	atf_tc_set_md_var(tc, "require.user", "unprivileged");
199 }
200 
201 ATF_TC_BODY(cam_open_device_negative_test_unprivileged, tc)
202 {
203 	const char *cam_test_device;
204 
205 	cam_test_device = get_cam_test_device(tc);
206 
207 	cam_clear_error();
208 	ATF_CHECK(cam_open_device(cam_test_device, O_RDONLY) == NULL);
209 	ATF_REQUIRE(cam_has_error());
210 
211 	cam_clear_error();
212 	ATF_CHECK(cam_open_device(cam_test_device, O_RDWR) == NULL);
213 	ATF_REQUIRE(cam_has_error());
214 }
215 
216 ATF_TC(cam_open_device_positive_test);
217 ATF_TC_HEAD(cam_open_device_positive_test, tc)
218 {
219 
220 	atf_tc_set_md_var(tc, "require.config", "cam_test_device");
221 	atf_tc_set_md_var(tc, "require.user", "root");
222 }
223 
224 ATF_TC_BODY(cam_open_device_positive_test, tc)
225 {
226 	struct cam_device *cam_dev;
227 	const char *cam_test_device;
228 
229 	cam_test_device = get_cam_test_device(tc);
230 
231 	cam_clear_error();
232 	cam_dev = cam_open_device(cam_test_device, O_RDWR);
233 	ATF_CHECK_MSG(cam_dev != NULL, "cam_open_device failed: %s",
234 	    cam_errbuf);
235 	ATF_REQUIRE(!cam_has_error());
236 	cam_close_device(cam_dev);
237 }
238 
239 ATF_TC(cam_close_device_negative_test_NULL);
240 ATF_TC_HEAD(cam_close_device_negative_test_NULL, tc)
241 {
242 
243 	atf_tc_set_md_var(tc, "descr",
244 	    "test that cam_close_device(NULL) succeeds without error");
245 	atf_tc_set_md_var(tc, "require.user", "root");
246 }
247 
248 ATF_TC_BODY(cam_close_device_negative_test_NULL, tc)
249 {
250 
251 	cam_clear_error();
252 	cam_close_device(NULL);
253 	ATF_REQUIRE(!cam_has_error());
254 }
255 
256 ATF_TC(cam_getccb_positive_test);
257 ATF_TC_HEAD(cam_getccb_positive_test, tc)
258 {
259 
260 	atf_tc_set_md_var(tc, "require.config", "cam_test_device");
261 	atf_tc_set_md_var(tc, "require.user", "root");
262 }
263 
264 ATF_TC_BODY(cam_getccb_positive_test, tc)
265 {
266 	union ccb *cam_ccb;
267 	struct cam_device *cam_dev;
268 	const char *cam_test_device;
269 
270 	cam_test_device = get_cam_test_device(tc);
271 
272 	cam_clear_error();
273 	cam_dev = cam_open_device(cam_test_device, O_RDWR);
274 	ATF_CHECK_MSG(cam_dev != NULL, "cam_open_device failed: %s",
275 	    cam_errbuf);
276 	ATF_REQUIRE(!cam_has_error());
277 	cam_ccb = cam_getccb(cam_dev);
278 	ATF_CHECK_MSG(cam_ccb != NULL, "get_camccb failed: %s", cam_errbuf);
279 	ATF_REQUIRE(!cam_has_error());
280 	cam_freeccb(cam_ccb);
281 	cam_close_device(cam_dev);
282 }
283 
284 ATF_TC(cam_freeccb_negative_test_NULL);
285 ATF_TC_HEAD(cam_freeccb_negative_test_NULL, tc)
286 {
287 
288 	atf_tc_set_md_var(tc, "descr",
289 	    "test that cam_freeccb(NULL) succeeds without error");
290 	atf_tc_set_md_var(tc, "require.user", "root");
291 }
292 
293 ATF_TC_BODY(cam_freeccb_negative_test_NULL, tc)
294 {
295 
296 	cam_clear_error();
297 	cam_freeccb(NULL);
298 	ATF_REQUIRE(!cam_has_error());
299 }
300 
301 ATF_TP_ADD_TCS(tp)
302 {
303 
304 	ATF_TP_ADD_TC(tp, cam_get_device_negative_test_NULL_path);
305 	ATF_TP_ADD_TC(tp, cam_get_device_negative_test_bad_path);
306 	ATF_TP_ADD_TC(tp, cam_get_device_negative_test_nul_path);
307 	ATF_TP_ADD_TC(tp, cam_get_device_negative_test_root);
308 	ATF_TP_ADD_TC(tp, cam_get_device_positive_test);
309 	ATF_TP_ADD_TC(tp, cam_get_device_sa_test);
310 	ATF_TP_ADD_TC(tp, cam_open_device_negative_test_O_RDONLY);
311 	ATF_TP_ADD_TC(tp, cam_open_device_negative_test_nonexistent);
312 	ATF_TP_ADD_TC(tp, cam_open_device_negative_test_unprivileged);
313 	ATF_TP_ADD_TC(tp, cam_open_device_positive_test);
314 	ATF_TP_ADD_TC(tp, cam_close_device_negative_test_NULL);
315 	ATF_TP_ADD_TC(tp, cam_getccb_positive_test);
316 	ATF_TP_ADD_TC(tp, cam_freeccb_negative_test_NULL);
317 
318 	return (atf_no_error());
319 }
320