Home | History | Annotate | Line # | Download | only in usb
t_hid.c revision 1.5
      1 /*	$NetBSD: t_hid.c,v 1.5 2016/01/09 14:31:19 jakllsch Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2016 Jonathan A. Kollasch
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
     20  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     21  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     22  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     23  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     24  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     25  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     26  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include <sys/cdefs.h>
     30 __RCSID("$NetBSD: t_hid.c,v 1.5 2016/01/09 14:31:19 jakllsch Exp $");
     31 
     32 #include <machine/types.h>
     33 #include <stdlib.h>
     34 #include <string.h>
     35 #include <stdio.h>
     36 #include <atf-c.h>
     37 #define hid_start_parse rumpns_hid_start_parse
     38 #define hid_end_parse rumpns_hid_end_parse
     39 #define hid_get_item rumpns_hid_get_item
     40 #define hid_locate rumpns_hid_locate
     41 #define hid_report_size rumpns_hid_report_size
     42 #define hid_get_data rumpns_hid_get_data
     43 #define hid_get_udata rumpns_hid_get_udata
     44 #define uhidevdebug rumpns_uhidevdebug
     45 #include <usb.h>
     46 #include <usbhid.h>
     47 #include <hid.h>
     48 
     49 #include "../../lib/libusbhid/hid_test_data.c"
     50 
     51 #define MYd_ATF_CHECK_EQ(d, v) \
     52 	ATF_CHECK_EQ_MSG(d, v, "== %d", (d))
     53 
     54 #define MYld_ATF_CHECK_EQ(d, v) \
     55 	ATF_CHECK_EQ_MSG(d, v, "== %ld", (d))
     56 
     57 #define MYu_ATF_CHECK_EQ(d, v) \
     58 	ATF_CHECK_EQ_MSG(d, v, "== %u", (d))
     59 
     60 #define MYlu_ATF_CHECK_EQ(d, v) \
     61 	ATF_CHECK_EQ_MSG(d, v, "== %lu", (d))
     62 
     63 #define MYx_ATF_CHECK_EQ(d, v) \
     64 	ATF_CHECK_EQ_MSG(d, v, "== 0x%x", (d))
     65 
     66 #define MYlx_ATF_CHECK_EQ(d, v) \
     67 	ATF_CHECK_EQ_MSG(d, v, "== 0x%lx", (d))
     68 
     69 int uhidevdebug;
     70 
     71 ATF_TC(khid);
     72 
     73 ATF_TC_HEAD(khid, tc)
     74 {
     75 
     76         atf_tc_set_md_var(tc, "descr", "check kernel hid.c");
     77 }
     78 
     79 static int
     80 locate_item(const void *desc, int size, u_int32_t u, u_int8_t id,
     81     enum hid_kind k, struct hid_item *hip)
     82 {
     83 	struct hid_data *d;
     84 	struct hid_item h;
     85 
     86 	h.report_ID = 0;
     87 	for (d = hid_start_parse(desc, size, k); hid_get_item(d, &h); ) {
     88 		if (h.kind == k && !(h.flags & HIO_CONST) &&
     89 		    (/*XXX*/uint32_t)h.usage == u && h.report_ID == id) {
     90 			if (hip != NULL)
     91 				*hip = h;
     92 			hid_end_parse(d);
     93 			return (1);
     94 		}
     95 	}
     96 	hid_end_parse(d);
     97 	return (0);
     98 }
     99 
    100 ATF_TC_BODY(khid, tc)
    101 {
    102 	int ret;
    103 	struct hid_item hi;
    104 
    105 	uhidevdebug = 0;
    106 
    107 	ret = locate_item(range_test_report_descriptor,
    108 	    sizeof(range_test_report_descriptor), 0xff000003, 0, hid_input,
    109 	    &hi);
    110 	ATF_REQUIRE(ret > 0);
    111 	MYu_ATF_CHECK_EQ(hi.loc.size, 32);
    112 	MYu_ATF_CHECK_EQ(hi.loc.count, 1);
    113 	MYu_ATF_CHECK_EQ(hi.loc.pos, 0);
    114 	MYx_ATF_CHECK_EQ(hi.flags, 0);
    115 	MYd_ATF_CHECK_EQ(hi.logical_minimum, -2147483648);
    116 	MYd_ATF_CHECK_EQ(hi.logical_maximum, 2147483647);
    117 	MYd_ATF_CHECK_EQ(hi.physical_minimum, -2147483648);
    118 	MYd_ATF_CHECK_EQ(hi.physical_maximum, 2147483647);
    119 	MYld_ATF_CHECK_EQ(hid_get_data(range_test_minimum_report,
    120 	    &hi.loc), -2147483648);
    121 	MYld_ATF_CHECK_EQ(hid_get_data(range_test_negative_one_report,
    122 	    &hi.loc), -1);
    123 	MYld_ATF_CHECK_EQ(hid_get_data(range_test_positive_one_report,
    124 	    &hi.loc), 1);
    125 	MYld_ATF_CHECK_EQ(hid_get_data(range_test_maximum_report,
    126 	    &hi.loc), 2147483647);
    127 
    128 	ret = locate_item(range_test_report_descriptor,
    129 	    sizeof(range_test_report_descriptor), 0xff000002, 0, hid_input,
    130 	    &hi);
    131 	ATF_REQUIRE(ret > 0);
    132 	MYu_ATF_CHECK_EQ(hi.loc.size, 16);
    133 	MYu_ATF_CHECK_EQ(hi.loc.count, 1);
    134 	MYu_ATF_CHECK_EQ(hi.loc.pos, 32);
    135 	MYx_ATF_CHECK_EQ(hi.flags, 0);
    136 	MYd_ATF_CHECK_EQ(hi.logical_minimum, -32768);
    137 	MYd_ATF_CHECK_EQ(hi.logical_maximum, 32767);
    138 	MYd_ATF_CHECK_EQ(hi.physical_minimum, -32768);
    139 	MYd_ATF_CHECK_EQ(hi.physical_maximum, 32767);
    140 	MYld_ATF_CHECK_EQ(hid_get_data(range_test_minimum_report,
    141 	    &hi.loc), -32768);
    142 	MYld_ATF_CHECK_EQ(hid_get_data(range_test_negative_one_report,
    143 	    &hi.loc), -1);
    144 	MYld_ATF_CHECK_EQ(hid_get_data(range_test_positive_one_report,
    145 	    &hi.loc), 1);
    146 	MYld_ATF_CHECK_EQ(hid_get_data(range_test_maximum_report,
    147 	    &hi.loc), 32767);
    148 
    149 	ret = locate_item(range_test_report_descriptor,
    150 	    sizeof(range_test_report_descriptor), 0xff000001, 0, hid_input,
    151 	    &hi);
    152 	ATF_REQUIRE(ret > 0);
    153 	MYu_ATF_CHECK_EQ(hi.loc.size, 8);
    154 	MYu_ATF_CHECK_EQ(hi.loc.count, 1);
    155 	MYu_ATF_CHECK_EQ(hi.loc.pos, 48);
    156 	MYx_ATF_CHECK_EQ(hi.flags, 0);
    157 	MYd_ATF_CHECK_EQ(hi.logical_minimum, -128);
    158 	MYd_ATF_CHECK_EQ(hi.logical_maximum, 127);
    159 	MYd_ATF_CHECK_EQ(hi.physical_minimum, -128);
    160 	MYd_ATF_CHECK_EQ(hi.physical_maximum, 127);
    161 	MYld_ATF_CHECK_EQ(hid_get_data(range_test_minimum_report,
    162 	    &hi.loc), -128);
    163 	MYld_ATF_CHECK_EQ(hid_get_data(range_test_negative_one_report,
    164 	    &hi.loc), -1);
    165 	MYld_ATF_CHECK_EQ(hid_get_data(range_test_positive_one_report,
    166 	    &hi.loc), 1);
    167 	MYld_ATF_CHECK_EQ(hid_get_data(range_test_maximum_report,
    168 	    &hi.loc), 127);
    169 
    170 
    171 	ret = locate_item(unsigned_range_test_report_descriptor,
    172 	    sizeof(unsigned_range_test_report_descriptor), 0xff000013, 0,
    173 	    hid_input, &hi);
    174 	ATF_REQUIRE(ret > 0);
    175 	MYu_ATF_CHECK_EQ(hi.loc.size, 32);
    176 	MYu_ATF_CHECK_EQ(hi.loc.count, 1);
    177 	MYu_ATF_CHECK_EQ(hi.loc.pos, 0);
    178 	MYx_ATF_CHECK_EQ(hi.flags, 0);
    179 	MYlx_ATF_CHECK_EQ(hid_get_udata(unsigned_range_test_minimum_report,
    180 	    &hi.loc), 0x0);
    181 	MYlx_ATF_CHECK_EQ(hid_get_udata(unsigned_range_test_positive_one_report,
    182 	    &hi.loc), 0x1);
    183 	MYlx_ATF_CHECK_EQ(hid_get_udata(unsigned_range_test_negative_one_report,
    184 	    &hi.loc), 0xfffffffe);
    185 	MYlx_ATF_CHECK_EQ(hid_get_udata(unsigned_range_test_maximum_report,
    186 	    &hi.loc), 0xffffffff);
    187 
    188 	ret = locate_item(unsigned_range_test_report_descriptor,
    189 	    sizeof(unsigned_range_test_report_descriptor), 0xff000012, 0,
    190 	    hid_input, &hi);
    191 	ATF_REQUIRE(ret > 0);
    192 	MYu_ATF_CHECK_EQ(hi.loc.size, 16);
    193 	MYu_ATF_CHECK_EQ(hi.loc.count, 1);
    194 	MYu_ATF_CHECK_EQ(hi.loc.pos, 32);
    195 	MYx_ATF_CHECK_EQ(hi.flags, 0);
    196 	MYlx_ATF_CHECK_EQ(hid_get_udata(unsigned_range_test_minimum_report,
    197 	    &hi.loc), 0x0);
    198 	MYlx_ATF_CHECK_EQ(hid_get_udata(unsigned_range_test_positive_one_report,
    199 	    &hi.loc), 0x1);
    200 	MYlx_ATF_CHECK_EQ(hid_get_udata(unsigned_range_test_negative_one_report,
    201 	    &hi.loc), 0xfffe);
    202 	MYlx_ATF_CHECK_EQ(hid_get_udata(unsigned_range_test_maximum_report,
    203 	    &hi.loc), 0xffff);
    204 
    205 	ret = locate_item(unsigned_range_test_report_descriptor,
    206 	    sizeof(unsigned_range_test_report_descriptor), 0xff000011, 0,
    207 	    hid_input, &hi);
    208 	ATF_REQUIRE(ret > 0);
    209 	MYu_ATF_CHECK_EQ(hi.loc.size, 8);
    210 	MYu_ATF_CHECK_EQ(hi.loc.count, 1);
    211 	MYu_ATF_CHECK_EQ(hi.loc.pos, 48);
    212 	MYx_ATF_CHECK_EQ(hi.flags, 0);
    213 	MYlx_ATF_CHECK_EQ(hid_get_udata(unsigned_range_test_minimum_report,
    214 	    &hi.loc), 0x0);
    215 	MYlx_ATF_CHECK_EQ(hid_get_udata(unsigned_range_test_positive_one_report,
    216 	    &hi.loc), 0x1);
    217 	MYlx_ATF_CHECK_EQ(hid_get_udata(unsigned_range_test_negative_one_report,
    218 	    &hi.loc), 0xfe);
    219 	MYlx_ATF_CHECK_EQ(hid_get_udata(unsigned_range_test_maximum_report,
    220 	    &hi.loc), 0xff);
    221 }
    222 
    223 ATF_TC(khid_parse_just_pop);
    224 
    225 ATF_TC_HEAD(khid_parse_just_pop, tc)
    226 {
    227 
    228         atf_tc_set_md_var(tc, "descr", "check kernel hid.c for "
    229 	    "Pop on empty stack bug");
    230 }
    231 
    232 ATF_TC_BODY(khid_parse_just_pop, tc)
    233 {
    234 	struct hid_data *hdp;
    235 	struct hid_item hi;
    236 
    237 	hdp = hid_start_parse(just_pop_report_descriptor,
    238 	    sizeof just_pop_report_descriptor, hid_none);
    239 	while (hid_get_item(hdp, &hi) > 0) {
    240 	}
    241 	hid_end_parse(hdp);
    242 }
    243 
    244 ATF_TP_ADD_TCS(tp)
    245 {
    246 
    247         ATF_TP_ADD_TC(tp, khid);
    248         ATF_TP_ADD_TC(tp, khid_parse_just_pop);
    249 
    250 	return atf_no_error();
    251 }
    252 
    253