granicus.if.org Git - strace/blob - tests/ioctl_evdev.c

   1 /*
   2  * This file is part of ioctl_evdev strace test.
   3  *
   4  * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
   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  * 3. The name of the author may not be used to endorse or promote products
  16  *    derived from this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include "tests.h"
  31
  32 #ifdef HAVE_LINUX_INPUT_H
  33
  34 # include <errno.h>
  35 # include <inttypes.h>
  36 # include <stdio.h>
  37 # include <string.h>
  38 # include <sys/ioctl.h>
  39 # include <linux/input.h>
  40
  41 static const unsigned int magic = 0xdeadbeef;
  42 static const unsigned long lmagic = (unsigned long) 0xdeadbeefbadc0dedULL;
  43
  44 # if VERBOSE
  45 static void
  46 print_envelope(const struct ff_envelope *const e)
  47 {
  48         printf(", envelope={attack_length=%hu, attack_level=%hu"
  49                ", fade_length=%hu, fade_level=%#hx}",
  50                e->attack_length, e->attack_level,
  51                e->fade_length, e->fade_level);
  52 }
  53 # endif /* VERBOSE */
  54
  55 static void
  56 print_ffe_common(const struct ff_effect *const ffe, const char *const type_str)
  57 {
  58         printf("ioctl(-1, EVIOCSFF, {type=%s, id=%" PRIu16
  59                ", direction=%" PRIu16 ", ",
  60                type_str, ffe->id, ffe->direction);
  61 # if VERBOSE
  62         printf("trigger={button=%hu, interval=%hu}"
  63                ", replay={length=%hu, delay=%hu}",
  64                ffe->trigger.button, ffe->trigger.interval,
  65                ffe->replay.length, ffe->replay.delay);
  66 # endif /* VERBOSE */
  67 }
  68
  69 # define TEST_NULL_ARG(cmd) \
  70         ioctl(-1, cmd, 0); \
  71         printf("ioctl(-1, %s, NULL) = -1 EBADF (%m)\n", #cmd)
  72
  73 int
  74 main(void)
  75 {
  76         TEST_NULL_ARG(EVIOCGVERSION);
  77         TEST_NULL_ARG(EVIOCGEFFECTS);
  78         TEST_NULL_ARG(EVIOCGID);
  79         TEST_NULL_ARG(EVIOCGKEYCODE);
  80         TEST_NULL_ARG(EVIOCSKEYCODE);
  81         TEST_NULL_ARG(EVIOCSFF);
  82 # ifdef EVIOCGKEYCODE_V2
  83         TEST_NULL_ARG(EVIOCGKEYCODE_V2);
  84 # endif
  85 # ifdef EVIOCSKEYCODE_V2
  86         TEST_NULL_ARG(EVIOCSKEYCODE_V2);
  87 # endif
  88 # ifdef EVIOCGREP
  89         TEST_NULL_ARG(EVIOCGREP);
  90 # endif
  91 # ifdef EVIOCSREP
  92         TEST_NULL_ARG(EVIOCSREP);
  93 # endif
  94 # ifdef EVIOCSCLOCKID
  95         TEST_NULL_ARG(EVIOCSCLOCKID);
  96 # endif
  97
  98         TEST_NULL_ARG(EVIOCGNAME(0));
  99         TEST_NULL_ARG(EVIOCGPHYS(0));
 100         TEST_NULL_ARG(EVIOCGUNIQ(0));
 101         TEST_NULL_ARG(EVIOCGKEY(0));
 102         TEST_NULL_ARG(EVIOCGLED(0));
 103 # ifdef EVIOCGMTSLOTS
 104         TEST_NULL_ARG(EVIOCGMTSLOTS(0));
 105 # endif
 106 # ifdef EVIOCGPROP
 107         TEST_NULL_ARG(EVIOCGPROP(0));
 108 # endif
 109         TEST_NULL_ARG(EVIOCGSND(0));
 110 # ifdef EVIOCGSW
 111         TEST_NULL_ARG(EVIOCGSW(0));
 112 # endif
 113
 114         TEST_NULL_ARG(EVIOCGABS(ABS_X));
 115         TEST_NULL_ARG(EVIOCSABS(ABS_X));
 116
 117         TEST_NULL_ARG(EVIOCGBIT(EV_SYN, 0));
 118         TEST_NULL_ARG(EVIOCGBIT(EV_KEY, 1));
 119         TEST_NULL_ARG(EVIOCGBIT(EV_REL, 2));
 120         TEST_NULL_ARG(EVIOCGBIT(EV_ABS, 3));
 121         TEST_NULL_ARG(EVIOCGBIT(EV_MSC, 4));
 122 # ifdef EV_SW
 123         TEST_NULL_ARG(EVIOCGBIT(EV_SW, 5));
 124 # endif
 125         TEST_NULL_ARG(EVIOCGBIT(EV_LED, 6));
 126         TEST_NULL_ARG(EVIOCGBIT(EV_SND, 7));
 127         TEST_NULL_ARG(EVIOCGBIT(EV_REP, 8));
 128         TEST_NULL_ARG(EVIOCGBIT(EV_FF, 9));
 129         TEST_NULL_ARG(EVIOCGBIT(EV_PWR, 10));
 130         TEST_NULL_ARG(EVIOCGBIT(EV_FF_STATUS, 11));
 131
 132         ioctl(-1, EVIOCGBIT(EV_MAX, 42), 0);
 133         printf("ioctl(-1, EVIOCGBIT(%#x /* EV_??? */, 42), NULL)"
 134                " = -1 EBADF (%m)\n", EV_MAX);
 135
 136         ioctl(-1, EVIOCRMFF, lmagic);
 137         printf("ioctl(-1, EVIOCRMFF, %d) = -1 EBADF (%m)\n", (int) lmagic);
 138
 139         ioctl(-1, EVIOCGRAB, lmagic);
 140         printf("ioctl(-1, EVIOCGRAB, %lu) = -1 EBADF (%m)\n", lmagic);
 141
 142 # ifdef EVIOCREVOKE
 143         ioctl(-1, EVIOCREVOKE, lmagic);
 144         printf("ioctl(-1, EVIOCREVOKE, %lu) = -1 EBADF (%m)\n", lmagic);
 145 # endif
 146
 147         const unsigned int size = get_page_size();
 148         void *const page = tail_alloc(size);
 149         fill_memory(page, size);
 150
 151         int *const val_int = tail_alloc(sizeof(*val_int));
 152         *val_int = magic;
 153
 154 # ifdef EVIOCSCLOCKID
 155         ioctl(-1, EVIOCSCLOCKID, val_int);
 156         printf("ioctl(-1, EVIOCSCLOCKID, [%u]) = -1 EBADF (%m)\n", *val_int);
 157 # endif
 158
 159         int *pair_int = tail_alloc(sizeof(*pair_int) * 2);
 160         pair_int[0] = 0xdeadbeef;
 161         pair_int[1] = 0xbadc0ded;
 162
 163 # ifdef EVIOSGREP
 164         ioctl(-1, EVIOCSREP, pair_int);
 165         printf("ioctl(-1, EVIOCSREP, [%u, %u]) = -1 EBADF (%m)\n",
 166                pair_int[0], pair_int[1]);
 167 # endif
 168
 169         pair_int[1] = 1;
 170         ioctl(-1, EVIOCSKEYCODE, pair_int);
 171         printf("ioctl(-1, EVIOCSKEYCODE, [%u, %s]) = -1 EBADF (%m)\n",
 172                pair_int[0], "KEY_ESC");
 173
 174 # ifdef EVIOCSKEYCODE_V2
 175         struct input_keymap_entry *const ike = tail_alloc(sizeof(*ike));
 176         fill_memory(ike, sizeof(*ike));
 177         ike->keycode = 2;
 178
 179         ioctl(-1, EVIOCSKEYCODE_V2, ike);
 180         printf("ioctl(-1, EVIOCSKEYCODE_V2, {flags=%" PRIu8
 181                ", len=%" PRIu8 ", ", ike->flags, ike->len);
 182 #  if VERBOSE
 183         printf("index=%" PRIu16 ", keycode=%s, scancode=[",
 184                ike->index, "KEY_1");
 185         unsigned int i;
 186         for (i = 0; i < ARRAY_SIZE(ike->scancode); ++i) {
 187                 if (i > 0)
 188                         printf(", ");
 189                 printf("%" PRIx8, ike->scancode[i]);
 190         }
 191         printf("]");
 192 #  else
 193         printf("...");
 194 #  endif
 195         errno = EBADF;
 196         printf("}) = -1 EBADF (%m)\n");
 197 # endif
 198
 199         struct ff_effect *const ffe = tail_alloc(sizeof(*ffe));
 200         fill_memory(ffe, sizeof(*ffe));
 201
 202         ffe->type = FF_CONSTANT;
 203         ioctl(-1, EVIOCSFF, ffe);
 204         print_ffe_common(ffe, "FF_CONSTANT");
 205
 206 #  if VERBOSE
 207         printf(", constant={level=%hd", ffe->u.constant.level);
 208         print_envelope(&ffe->u.constant.envelope);
 209         printf("}");
 210 #  else
 211         printf("...");
 212 #  endif
 213         errno = EBADF;
 214         printf("}) = -1 EBADF (%m)\n");
 215
 216 #  if VERBOSE
 217         ffe->type = FF_RAMP;
 218         ioctl(-1, EVIOCSFF, ffe);
 219         print_ffe_common(ffe, "FF_RAMP");
 220         printf(", ramp={start_level=%hd, end_level=%hd",
 221                ffe->u.ramp.start_level, ffe->u.ramp.end_level);
 222         print_envelope(&ffe->u.ramp.envelope);
 223         errno = EBADF;
 224         printf("}}) = -1 EBADF (%m)\n");
 225
 226         ffe->type = FF_PERIODIC;
 227         ioctl(-1, EVIOCSFF, ffe);
 228         print_ffe_common(ffe, "FF_PERIODIC");
 229         printf(", periodic={waveform=%hu, period=%hu, magnitude=%hd"
 230                ", offset=%hd, phase=%hu",
 231                ffe->u.periodic.waveform, ffe->u.periodic.period,
 232                ffe->u.periodic.magnitude, ffe->u.periodic.offset,
 233                ffe->u.periodic.phase);
 234         print_envelope(&ffe->u.periodic.envelope);
 235         printf(", custom_len=%u, custom_data=%p}",
 236                ffe->u.periodic.custom_len, ffe->u.periodic.custom_data);
 237         errno = EBADF;
 238         printf("}) = -1 EBADF (%m)\n");
 239
 240         ffe->type = FF_RUMBLE;
 241         ioctl(-1, EVIOCSFF, ffe);
 242         print_ffe_common(ffe, "FF_RUMBLE");
 243         printf(", rumble={strong_magnitude=%hu, weak_magnitude=%hu}",
 244                ffe->u.rumble.strong_magnitude, ffe->u.rumble.weak_magnitude);
 245         errno = EBADF;
 246         printf("}) = -1 EBADF (%m)\n");
 247
 248         ffe->type = 0xff;
 249         ioctl(-1, EVIOCSFF, ffe);
 250         print_ffe_common(ffe, "0xff /* FF_??? */");
 251         errno = EBADF;
 252         printf("}) = -1 EBADF (%m)\n");
 253 #  endif
 254
 255         ioctl(-1, _IOC(_IOC_READ, 0x45, 0x1, 0xff), lmagic);
 256         printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
 257                "_IOC(_IOC_READ, 0x45, 0x1, 0xff)", lmagic);
 258
 259         ioctl(-1, _IOC(_IOC_WRITE, 0x45, 0x1, 0xff), lmagic);
 260         printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
 261                "_IOC(_IOC_WRITE, 0x45, 0x1, 0xff)", lmagic);
 262
 263         ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x45, 0xfe, 0xff), lmagic);
 264         printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
 265                "_IOC(_IOC_READ|_IOC_WRITE, 0x45, 0xfe, 0xff)", lmagic);
 266
 267         ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x45, 0, 0), lmagic);
 268         printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
 269                "_IOC(_IOC_READ|_IOC_WRITE, 0x45, 0, 0)", lmagic);
 270
 271         puts("+++ exited with 0 +++");
 272         return 0;
 273 }
 274 #else
 275
 276 SKIP_MAIN_UNDEFINED("HAVE_LINUX_INPUT_H")
 277
 278 #endif