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) 0xdeadbeefbadc0ded;
  43
  44 static void
  45 init_magic(void *addr, const unsigned int size)
  46 {
  47         unsigned int *p = addr;
  48         const unsigned int *end = addr + size - sizeof(int);
  49
  50         for (; p <= end; ++p)
  51                 *(unsigned int *) p = magic;
  52 }
  53
  54 # ifdef VERBOSE_IOCTL
  55 static void
  56 print_envelope(const struct ff_envelope *const e)
  57 {
  58         printf(", envelope={attack_length=%hu, attack_level=%hu"
  59                ", fade_length=%hu, fade_level=%#hx}",
  60                e->attack_length, e->attack_level,
  61                e->fade_length, e->fade_level);
  62 }
  63 # endif /* VERBOSE_IOCTL */
  64
  65 static void
  66 print_ffe_common(const struct ff_effect *const ffe, const char *const type_str)
  67 {
  68         printf("ioctl(-1, EVIOCSFF, {type=%s, id=%" PRIu16
  69                ", direction=%" PRIu16 ", ",
  70                type_str, ffe->id, ffe->direction);
  71 # ifdef VERBOSE_IOCTL
  72         printf("trigger={button=%hu, interval=%hu}"
  73                ", replay={length=%hu, delay=%hu}",
  74                ffe->trigger.button, ffe->trigger.interval,
  75                ffe->replay.length, ffe->replay.delay);
  76 # endif /* VERBOSE_IOCTL */
  77 }
  78
  79 # define TEST_NULL_ARG(cmd) \
  80         ioctl(-1, cmd, 0); \
  81         printf("ioctl(-1, %s, NULL) = -1 EBADF (%m)\n", #cmd)
  82
  83 int
  84 main(void)
  85 {
  86         TEST_NULL_ARG(EVIOCGVERSION);
  87         TEST_NULL_ARG(EVIOCGEFFECTS);
  88         TEST_NULL_ARG(EVIOCGID);
  89         TEST_NULL_ARG(EVIOCGKEYCODE);
  90         TEST_NULL_ARG(EVIOCSKEYCODE);
  91         TEST_NULL_ARG(EVIOCSFF);
  92 # ifdef EVIOCGKEYCODE_V2
  93         TEST_NULL_ARG(EVIOCGKEYCODE_V2);
  94 # endif
  95 # ifdef EVIOCSKEYCODE_V2
  96         TEST_NULL_ARG(EVIOCSKEYCODE_V2);
  97 # endif
  98 # ifdef EVIOCGREP
  99         TEST_NULL_ARG(EVIOCGREP);
 100 # endif
 101 # ifdef EVIOCSREP
 102         TEST_NULL_ARG(EVIOCSREP);
 103 # endif
 104 # ifdef EVIOCSCLOCKID
 105         TEST_NULL_ARG(EVIOCSCLOCKID);
 106 # endif
 107
 108         TEST_NULL_ARG(EVIOCGNAME(0));
 109         TEST_NULL_ARG(EVIOCGPHYS(0));
 110         TEST_NULL_ARG(EVIOCGUNIQ(0));
 111         TEST_NULL_ARG(EVIOCGKEY(0));
 112         TEST_NULL_ARG(EVIOCGLED(0));
 113 # ifdef EVIOCGMTSLOTS
 114         TEST_NULL_ARG(EVIOCGMTSLOTS(0));
 115 # endif
 116 # ifdef EVIOCGPROP
 117         TEST_NULL_ARG(EVIOCGPROP(0));
 118 # endif
 119         TEST_NULL_ARG(EVIOCGSND(0));
 120 # ifdef EVIOCGSW
 121         TEST_NULL_ARG(EVIOCGSW(0));
 122 # endif
 123
 124         TEST_NULL_ARG(EVIOCGABS(ABS_X));
 125         TEST_NULL_ARG(EVIOCSABS(ABS_X));
 126
 127         TEST_NULL_ARG(EVIOCGBIT(EV_SYN, 0));
 128         TEST_NULL_ARG(EVIOCGBIT(EV_KEY, 1));
 129         TEST_NULL_ARG(EVIOCGBIT(EV_REL, 2));
 130         TEST_NULL_ARG(EVIOCGBIT(EV_ABS, 3));
 131         TEST_NULL_ARG(EVIOCGBIT(EV_MSC, 4));
 132 # ifdef EV_SW
 133         TEST_NULL_ARG(EVIOCGBIT(EV_SW, 5));
 134 # endif
 135         TEST_NULL_ARG(EVIOCGBIT(EV_LED, 6));
 136         TEST_NULL_ARG(EVIOCGBIT(EV_SND, 7));
 137         TEST_NULL_ARG(EVIOCGBIT(EV_REP, 8));
 138         TEST_NULL_ARG(EVIOCGBIT(EV_FF, 9));
 139         TEST_NULL_ARG(EVIOCGBIT(EV_PWR, 10));
 140         TEST_NULL_ARG(EVIOCGBIT(EV_FF_STATUS, 11));
 141
 142         ioctl(-1, EVIOCGBIT(EV_MAX, 42), 0);
 143         printf("ioctl(-1, EVIOCGBIT(%#x /* EV_??? */, 42), NULL)"
 144                " = -1 EBADF (%m)\n", EV_MAX);
 145
 146         ioctl(-1, EVIOCRMFF, lmagic);
 147         printf("ioctl(-1, EVIOCRMFF, %d) = -1 EBADF (%m)\n", (int) lmagic);
 148
 149         ioctl(-1, EVIOCGRAB, lmagic);
 150         printf("ioctl(-1, EVIOCGRAB, %lu) = -1 EBADF (%m)\n", lmagic);
 151
 152 # ifdef EVIOCREVOKE
 153         ioctl(-1, EVIOCREVOKE, lmagic);
 154         printf("ioctl(-1, EVIOCREVOKE, %lu) = -1 EBADF (%m)\n", lmagic);
 155 # endif
 156
 157         const unsigned int size = get_page_size();
 158         void *const page = tail_alloc(size);
 159         init_magic(page, size);
 160
 161         int *const val_int = tail_alloc(sizeof(*val_int));
 162         *val_int = magic;
 163
 164 # ifdef EVIOCSCLOCKID
 165         ioctl(-1, EVIOCSCLOCKID, val_int);
 166         printf("ioctl(-1, EVIOCSCLOCKID, [%u]) = -1 EBADF (%m)\n", *val_int);
 167 # endif
 168
 169         int *pair_int = tail_alloc(sizeof(*pair_int) * 2);
 170         pair_int[0] = 0xdeadbeef;
 171         pair_int[1] = 0xbadc0ded;
 172
 173 # ifdef EVIOSGREP
 174         ioctl(-1, EVIOCSREP, pair_int);
 175         printf("ioctl(-1, EVIOCSREP, [%u, %u]) = -1 EBADF (%m)\n",
 176                pair_int[0], pair_int[1]);
 177 # endif
 178
 179         pair_int[1] = 1;
 180         ioctl(-1, EVIOCSKEYCODE, pair_int);
 181         printf("ioctl(-1, EVIOCSKEYCODE, [%u, %s]) = -1 EBADF (%m)\n",
 182                pair_int[0], "KEY_ESC");
 183
 184 # ifdef EVIOCSKEYCODE_V2
 185         struct input_keymap_entry *const ike = tail_alloc(sizeof(*ike));
 186         init_magic(ike, sizeof(*ike));
 187         ike->keycode = 2;
 188
 189         ioctl(-1, EVIOCSKEYCODE_V2, ike);
 190         printf("ioctl(-1, EVIOCSKEYCODE_V2, {flags=%" PRIu8
 191                ", len=%" PRIu8 ", ", ike->flags, ike->len);
 192 #  ifdef VERBOSE_IOCTL
 193         printf("index=%" PRIu16 ", keycode=%s, scancode=[",
 194                ike->index, "KEY_1");
 195         unsigned int i;
 196         for (i = 0; i < ARRAY_SIZE(ike->scancode); ++i) {
 197                 if (i > 0)
 198                         printf(", ");
 199                 printf("%" PRIx8, ike->scancode[i]);
 200         }
 201         printf("]");
 202 #  else
 203         printf("...");
 204 #  endif
 205         errno = EBADF;
 206         printf("}) = -1 EBADF (%m)\n");
 207 # endif
 208
 209         struct ff_effect *const ffe = tail_alloc(sizeof(*ffe));
 210         init_magic(ffe, sizeof(*ffe));
 211
 212         ffe->type = FF_CONSTANT;
 213         ioctl(-1, EVIOCSFF, ffe);
 214         print_ffe_common(ffe, "FF_CONSTANT");
 215
 216 #  ifdef VERBOSE_IOCTL
 217         printf(", constant={level=%hd", ffe->u.constant.level);
 218         print_envelope(&ffe->u.constant.envelope);
 219         printf("}");
 220 #  else
 221         printf("...");
 222 #  endif
 223         errno = EBADF;
 224         printf("}) = -1 EBADF (%m)\n");
 225
 226 #  ifdef VERBOSE_IOCTL
 227         ffe->type = FF_RAMP;
 228         ioctl(-1, EVIOCSFF, ffe);
 229         print_ffe_common(ffe, "FF_RAMP");
 230         printf(", ramp={start_level=%hd, end_level=%hd",
 231                ffe->u.ramp.start_level, ffe->u.ramp.end_level);
 232         print_envelope(&ffe->u.ramp.envelope);
 233         errno = EBADF;
 234         printf("}}) = -1 EBADF (%m)\n");
 235
 236         ffe->type = FF_PERIODIC;
 237         ioctl(-1, EVIOCSFF, ffe);
 238         print_ffe_common(ffe, "FF_PERIODIC");
 239         printf(", periodic={waveform=%hu, period=%hu, magnitude=%hd"
 240                ", offset=%hd, phase=%hu",
 241                ffe->u.periodic.waveform, ffe->u.periodic.period,
 242                ffe->u.periodic.magnitude, ffe->u.periodic.offset,
 243                ffe->u.periodic.phase);
 244         print_envelope(&ffe->u.periodic.envelope);
 245         printf(", custom_len=%u, custom_data=%p}",
 246                ffe->u.periodic.custom_len, ffe->u.periodic.custom_data);
 247         errno = EBADF;
 248         printf("}) = -1 EBADF (%m)\n");
 249
 250         ffe->type = FF_RUMBLE;
 251         ioctl(-1, EVIOCSFF, ffe);
 252         print_ffe_common(ffe, "FF_RUMBLE");
 253         printf(", rumble={strong_magnitude=%hu, weak_magnitude=%hu}",
 254                ffe->u.rumble.strong_magnitude, ffe->u.rumble.weak_magnitude);
 255         errno = EBADF;
 256         printf("}) = -1 EBADF (%m)\n");
 257
 258         ffe->type = 0xff;
 259         ioctl(-1, EVIOCSFF, ffe);
 260         print_ffe_common(ffe, "0xff /* FF_??? */");
 261         errno = EBADF;
 262         printf("}) = -1 EBADF (%m)\n");
 263 #  endif
 264
 265         ioctl(-1, _IOC(_IOC_READ, 0x45, 0x01, 0xff), lmagic);
 266         printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
 267                "_IOC(_IOC_READ, 0x45, 0x01, 0xff)", lmagic);
 268
 269         ioctl(-1, _IOC(_IOC_WRITE, 0x45, 0x01, 0xff), lmagic);
 270         printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
 271                "_IOC(_IOC_WRITE, 0x45, 0x01, 0xff)", lmagic);
 272
 273         ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x45, 0xfe, 0xff), lmagic);
 274         printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
 275                "_IOC(_IOC_READ|_IOC_WRITE, 0x45, 0xfe, 0xff)", lmagic);
 276
 277         puts("+++ exited with 0 +++");
 278         return 0;
 279 }
 280 #else
 281
 282 SKIP_MAIN_UNDEFINED("HAVE_LINUX_INPUT_H")
 283
 284 #endif