lib/libcam/tests/libcam_test.c

   1 /*-
   2  * Copyright (c) 2017 Ngie Cooper <ngie@freebsd.org>
   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  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  */
  26
  27 #include <sys/cdefs.h>
  28 __FBSDID("$FreeBSD$");
  29
  30 #include <errno.h>
  31 #include <fcntl.h>
  32 #include <stdio.h>
  33 #include <camlib.h>
  34
  35 #include <atf-c.h>
  36
  37 static const char *
  38 get_cam_test_device(const atf_tc_t *tc)
  39 {
  40         const char *cam_test_device;
  41
  42         cam_test_device = atf_tc_get_config_var(tc, "cam_test_device");
  43
  44         return (cam_test_device);
  45 }
  46
  47 static void
  48 cam_clear_error(void)
  49 {
  50
  51         strcpy(cam_errbuf, "");
  52 }
  53
  54 static bool
  55 cam_has_error(void)
  56 {
  57
  58         return (strlen(cam_errbuf) != 0);
  59 }
  60
  61 ATF_TC(cam_open_device_negative_test_O_RDONLY);
  62 ATF_TC_HEAD(cam_open_device_negative_test_O_RDONLY, tc)
  63 {
  64
  65         atf_tc_set_md_var(tc, "descr",
  66             "test that cam_open_device(`cam_device`, O_RDONLY) fails to open "
  67             "the underlying pass(4) device (bug 217649)");
  68         atf_tc_set_md_var(tc, "require.config", "cam_test_device");
  69         atf_tc_set_md_var(tc, "require.user", "root");
  70 }
  71
  72 ATF_TC_BODY(cam_open_device_negative_test_O_RDONLY, tc)
  73 {
  74         const char *cam_test_device;
  75
  76         cam_test_device = get_cam_test_device(tc);
  77
  78         cam_clear_error();
  79         ATF_CHECK(cam_open_device(cam_test_device, O_RDONLY) == NULL);
  80         ATF_REQUIRE(cam_has_error());
  81 }
  82
  83 ATF_TC(cam_open_device_negative_test_nonexistent);
  84 ATF_TC_HEAD(cam_open_device_negative_test_nonexistent, tc)
  85 {
  86
  87         atf_tc_set_md_var(tc, "require.user", "root");
  88 }
  89
  90 ATF_TC_BODY(cam_open_device_negative_test_nonexistent, tc)
  91 {
  92
  93         cam_clear_error();
  94         ATF_REQUIRE(cam_open_device("/nonexistent", O_RDWR) == NULL);
  95         ATF_REQUIRE(cam_has_error());
  96 }
  97
  98 ATF_TC(cam_open_device_negative_test_unprivileged);
  99 ATF_TC_HEAD(cam_open_device_negative_test_unprivileged, tc)
 100 {
 101
 102         atf_tc_set_md_var(tc, "require.config", "cam_test_device");
 103         atf_tc_set_md_var(tc, "require.user", "unprivileged");
 104 }
 105
 106 ATF_TC_BODY(cam_open_device_negative_test_unprivileged, tc)
 107 {
 108         const char *cam_test_device;
 109
 110         cam_test_device = get_cam_test_device(tc);
 111
 112         cam_clear_error();
 113         ATF_CHECK(cam_open_device(cam_test_device, O_RDONLY) == NULL);
 114         ATF_REQUIRE(cam_has_error());
 115
 116         cam_clear_error();
 117         ATF_CHECK(cam_open_device(cam_test_device, O_RDWR) == NULL);
 118         ATF_REQUIRE(cam_has_error());
 119 }
 120
 121 ATF_TC(cam_open_device_positive_test);
 122 ATF_TC_HEAD(cam_open_device_positive_test, tc)
 123 {
 124
 125         atf_tc_set_md_var(tc, "require.config", "cam_test_device");
 126         atf_tc_set_md_var(tc, "require.user", "root");
 127 }
 128
 129 ATF_TC_BODY(cam_open_device_positive_test, tc)
 130 {
 131         struct cam_device *cam_dev;
 132         const char *cam_test_device;
 133
 134         cam_test_device = get_cam_test_device(tc);
 135
 136         cam_clear_error();
 137         cam_dev = cam_open_device(cam_test_device, O_RDWR);
 138         ATF_CHECK_MSG(cam_dev != NULL, "cam_open_device failed: %s",
 139             cam_errbuf);
 140         ATF_REQUIRE(!cam_has_error());
 141         cam_close_device(cam_dev);
 142 }
 143
 144 ATF_TC(cam_close_device_negative_test_NULL);
 145 ATF_TC_HEAD(cam_close_device_negative_test_NULL, tc)
 146 {
 147
 148         atf_tc_set_md_var(tc, "descr",
 149             "test that cam_close_device(NULL) succeeds without error");
 150         atf_tc_set_md_var(tc, "require.user", "root");
 151 }
 152
 153 ATF_TC_BODY(cam_close_device_negative_test_NULL, tc)
 154 {
 155
 156         cam_clear_error();
 157         cam_close_device(NULL);
 158         ATF_REQUIRE(!cam_has_error());
 159 }
 160
 161 ATF_TC(cam_getccb_positive_test);
 162 ATF_TC_HEAD(cam_getccb_positive_test, tc)
 163 {
 164
 165         atf_tc_set_md_var(tc, "require.config", "cam_test_device");
 166         atf_tc_set_md_var(tc, "require.user", "root");
 167 }
 168
 169 ATF_TC_BODY(cam_getccb_positive_test, tc)
 170 {
 171         union ccb *cam_ccb;
 172         struct cam_device *cam_dev;
 173         const char *cam_test_device;
 174
 175         cam_test_device = get_cam_test_device(tc);
 176
 177         cam_clear_error();
 178         cam_dev = cam_open_device(cam_test_device, O_RDWR);
 179         ATF_CHECK_MSG(cam_dev != NULL, "cam_open_device failed: %s",
 180             cam_errbuf);
 181         ATF_REQUIRE(!cam_has_error());
 182         cam_ccb = cam_getccb(cam_dev);
 183         ATF_CHECK_MSG(cam_ccb != NULL, "get_camccb failed: %s", cam_errbuf);
 184         ATF_REQUIRE(!cam_has_error());
 185         cam_freeccb(cam_ccb);
 186         cam_close_device(cam_dev);
 187 }
 188
 189 ATF_TC(cam_freeccb_negative_test_NULL);
 190 ATF_TC_HEAD(cam_freeccb_negative_test_NULL, tc)
 191 {
 192
 193         atf_tc_set_md_var(tc, "descr",
 194             "test that cam_freeccb(NULL) succeeds without error");
 195         atf_tc_set_md_var(tc, "require.user", "root");
 196 }
 197
 198 ATF_TC_BODY(cam_freeccb_negative_test_NULL, tc)
 199 {
 200
 201         cam_clear_error();
 202         cam_freeccb(NULL);
 203         ATF_REQUIRE(!cam_has_error());
 204 }
 205
 206 ATF_TP_ADD_TCS(tp)
 207 {
 208
 209         ATF_TP_ADD_TC(tp, cam_open_device_negative_test_O_RDONLY);
 210         ATF_TP_ADD_TC(tp, cam_open_device_negative_test_nonexistent);
 211         ATF_TP_ADD_TC(tp, cam_open_device_negative_test_unprivileged);
 212         ATF_TP_ADD_TC(tp, cam_open_device_positive_test);
 213         ATF_TP_ADD_TC(tp, cam_close_device_negative_test_NULL);
 214         ATF_TP_ADD_TC(tp, cam_getccb_positive_test);
 215         ATF_TP_ADD_TC(tp, cam_freeccb_negative_test_NULL);
 216
 217         return (atf_no_error());
 218 }