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  * Copyright (c) 2016-2017 The strace developers.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. The name of the author may not be used to endorse or promote products
  17  *    derived from this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #include "tests.h"
  32
  33 #ifdef HAVE_LINUX_INPUT_H
  34
  35 # include <errno.h>
  36 # include <inttypes.h>
  37 # include <stdio.h>
  38 # include <string.h>
  39 # include <sys/ioctl.h>
  40 # include <linux/input.h>
  41
  42 static const unsigned int magic = 0xdeadbeef;
  43 static const unsigned long lmagic = (unsigned long) 0xdeadbeefbadc0dedULL;
  44
  45 # if VERBOSE
  46 static void
  47 print_envelope(const struct ff_envelope *const e)
  48 {
  49         printf(", envelope={attack_length=%hu, attack_level=%hu"
  50                ", fade_length=%hu, fade_level=%#hx}",
  51                e->attack_length, e->attack_level,
  52                e->fade_length, e->fade_level);
  53 }
  54 # endif /* VERBOSE */
  55
  56 static void
  57 print_ffe_common(const struct ff_effect *const ffe, const char *const type_str)
  58 {
  59         printf("ioctl(-1, EVIOCSFF, {type=%s, id=%" PRIu16
  60                ", direction=%" PRIu16 ", ",
  61                type_str, ffe->id, ffe->direction);
  62 # if VERBOSE
  63         printf("trigger={button=%hu, interval=%hu}"
  64                ", replay={length=%hu, delay=%hu}",
  65                ffe->trigger.button, ffe->trigger.interval,
  66                ffe->replay.length, ffe->replay.delay);
  67 # endif /* VERBOSE */
  68 }
  69
  70 # define TEST_NULL_ARG(cmd)                                             \
  71         do {                                                            \
  72                 ioctl(-1, cmd, 0);                                      \
  73                 printf("ioctl(-1, %s, NULL) = -1 EBADF (%m)\n", #cmd);  \
  74         } while (0)
  75
  76 int
  77 main(void)
  78 {
  79         TEST_NULL_ARG(EVIOCGVERSION);
  80         TEST_NULL_ARG(EVIOCGEFFECTS);
  81         TEST_NULL_ARG(EVIOCGID);
  82         TEST_NULL_ARG(EVIOCGKEYCODE);
  83         TEST_NULL_ARG(EVIOCSKEYCODE);
  84         TEST_NULL_ARG(EVIOCSFF);
  85 # ifdef EVIOCGKEYCODE_V2
  86         TEST_NULL_ARG(EVIOCGKEYCODE_V2);
  87 # endif
  88 # ifdef EVIOCSKEYCODE_V2
  89         TEST_NULL_ARG(EVIOCSKEYCODE_V2);
  90 # endif
  91 # ifdef EVIOCGREP
  92         TEST_NULL_ARG(EVIOCGREP);
  93 # endif
  94 # ifdef EVIOCSREP
  95         TEST_NULL_ARG(EVIOCSREP);
  96 # endif
  97 # ifdef EVIOCSCLOCKID
  98         TEST_NULL_ARG(EVIOCSCLOCKID);
  99 # endif
 100
 101         TEST_NULL_ARG(EVIOCGNAME(0));
 102         TEST_NULL_ARG(EVIOCGPHYS(0));
 103         TEST_NULL_ARG(EVIOCGUNIQ(0));
 104         TEST_NULL_ARG(EVIOCGKEY(0));
 105         TEST_NULL_ARG(EVIOCGLED(0));
 106 # ifdef EVIOCGMTSLOTS
 107         TEST_NULL_ARG(EVIOCGMTSLOTS(0));
 108 # endif
 109 # ifdef EVIOCGPROP
 110         TEST_NULL_ARG(EVIOCGPROP(0));
 111 # endif
 112         TEST_NULL_ARG(EVIOCGSND(0));
 113 # ifdef EVIOCGSW
 114         TEST_NULL_ARG(EVIOCGSW(0));
 115 # endif
 116
 117         TEST_NULL_ARG(EVIOCGABS(ABS_X));
 118         TEST_NULL_ARG(EVIOCSABS(ABS_X));
 119
 120         TEST_NULL_ARG(EVIOCGBIT(EV_SYN, 0));
 121         TEST_NULL_ARG(EVIOCGBIT(EV_KEY, 1));
 122         TEST_NULL_ARG(EVIOCGBIT(EV_REL, 2));
 123         TEST_NULL_ARG(EVIOCGBIT(EV_ABS, 3));
 124         TEST_NULL_ARG(EVIOCGBIT(EV_MSC, 4));
 125 # ifdef EV_SW
 126         TEST_NULL_ARG(EVIOCGBIT(EV_SW, 5));
 127 # endif
 128         TEST_NULL_ARG(EVIOCGBIT(EV_LED, 6));
 129         TEST_NULL_ARG(EVIOCGBIT(EV_SND, 7));
 130         TEST_NULL_ARG(EVIOCGBIT(EV_REP, 8));
 131         TEST_NULL_ARG(EVIOCGBIT(EV_FF, 9));
 132         TEST_NULL_ARG(EVIOCGBIT(EV_PWR, 10));
 133         TEST_NULL_ARG(EVIOCGBIT(EV_FF_STATUS, 11));
 134
 135         ioctl(-1, EVIOCGBIT(EV_MAX, 42), 0);
 136         printf("ioctl(-1, EVIOCGBIT(%#x /* EV_??? */, 42), NULL)"
 137                " = -1 EBADF (%m)\n", EV_MAX);
 138
 139         ioctl(-1, EVIOCRMFF, lmagic);
 140         printf("ioctl(-1, EVIOCRMFF, %d) = -1 EBADF (%m)\n", (int) lmagic);
 141
 142         ioctl(-1, EVIOCGRAB, lmagic);
 143         printf("ioctl(-1, EVIOCGRAB, %lu) = -1 EBADF (%m)\n", lmagic);
 144
 145 # ifdef EVIOCREVOKE
 146         ioctl(-1, EVIOCREVOKE, lmagic);
 147         printf("ioctl(-1, EVIOCREVOKE, %lu) = -1 EBADF (%m)\n", lmagic);
 148 # endif
 149
 150         const unsigned int size = get_page_size();
 151         void *const page = tail_alloc(size);
 152         fill_memory(page, size);
 153
 154         TAIL_ALLOC_OBJECT_CONST_PTR(int, val_int);
 155         *val_int = magic;
 156
 157 # ifdef EVIOCSCLOCKID
 158         ioctl(-1, EVIOCSCLOCKID, val_int);
 159         printf("ioctl(-1, EVIOCSCLOCKID, [%u]) = -1 EBADF (%m)\n", *val_int);
 160 # endif
 161
 162         int *pair_int = tail_alloc(sizeof(*pair_int) * 2);
 163         pair_int[0] = 0xdeadbeef;
 164         pair_int[1] = 0xbadc0ded;
 165
 166 # ifdef EVIOSGREP
 167         ioctl(-1, EVIOCSREP, pair_int);
 168         printf("ioctl(-1, EVIOCSREP, [%u, %u]) = -1 EBADF (%m)\n",
 169                pair_int[0], pair_int[1]);
 170 # endif
 171
 172         pair_int[1] = 1;
 173         ioctl(-1, EVIOCSKEYCODE, pair_int);
 174         printf("ioctl(-1, EVIOCSKEYCODE, [%u, %s]) = -1 EBADF (%m)\n",
 175                pair_int[0], "KEY_ESC");
 176
 177 # ifdef EVIOCSKEYCODE_V2
 178         TAIL_ALLOC_OBJECT_CONST_PTR(struct input_keymap_entry, ike);
 179         fill_memory(ike, sizeof(*ike));
 180         ike->keycode = 2;
 181
 182         ioctl(-1, EVIOCSKEYCODE_V2, ike);
 183         printf("ioctl(-1, EVIOCSKEYCODE_V2, {flags=%" PRIu8
 184                ", len=%" PRIu8 ", ", ike->flags, ike->len);
 185 #  if VERBOSE
 186         printf("index=%" PRIu16 ", keycode=%s, scancode=[",
 187                ike->index, "KEY_1");
 188         unsigned int i;
 189         for (i = 0; i < ARRAY_SIZE(ike->scancode); ++i) {
 190                 if (i > 0)
 191                         printf(", ");
 192                 printf("%" PRIx8, ike->scancode[i]);
 193         }
 194         printf("]");
 195 #  else
 196         printf("...");
 197 #  endif
 198         errno = EBADF;
 199         printf("}) = -1 EBADF (%m)\n");
 200 # endif
 201
 202         TAIL_ALLOC_OBJECT_CONST_PTR(struct ff_effect, ffe);
 203         fill_memory(ffe, sizeof(*ffe));
 204
 205         ffe->type = FF_CONSTANT;
 206         ioctl(-1, EVIOCSFF, ffe);
 207         print_ffe_common(ffe, "FF_CONSTANT");
 208
 209 #  if VERBOSE
 210         printf(", constant={level=%hd", ffe->u.constant.level);
 211         print_envelope(&ffe->u.constant.envelope);
 212         printf("}");
 213 #  else
 214         printf("...");
 215 #  endif
 216         errno = EBADF;
 217         printf("}) = -1 EBADF (%m)\n");
 218
 219 #  if VERBOSE
 220         ffe->type = FF_RAMP;
 221         ioctl(-1, EVIOCSFF, ffe);
 222         print_ffe_common(ffe, "FF_RAMP");
 223         printf(", ramp={start_level=%hd, end_level=%hd",
 224                ffe->u.ramp.start_level, ffe->u.ramp.end_level);
 225         print_envelope(&ffe->u.ramp.envelope);
 226         errno = EBADF;
 227         printf("}}) = -1 EBADF (%m)\n");
 228
 229         ffe->type = FF_PERIODIC;
 230         ioctl(-1, EVIOCSFF, ffe);
 231         print_ffe_common(ffe, "FF_PERIODIC");
 232         printf(", periodic={waveform=%hu, period=%hu, magnitude=%hd"
 233                ", offset=%hd, phase=%hu",
 234                ffe->u.periodic.waveform, ffe->u.periodic.period,
 235                ffe->u.periodic.magnitude, ffe->u.periodic.offset,
 236                ffe->u.periodic.phase);
 237         print_envelope(&ffe->u.periodic.envelope);
 238         printf(", custom_len=%u, custom_data=%p}",
 239                ffe->u.periodic.custom_len, ffe->u.periodic.custom_data);
 240         errno = EBADF;
 241         printf("}) = -1 EBADF (%m)\n");
 242
 243         ffe->type = FF_RUMBLE;
 244         ioctl(-1, EVIOCSFF, ffe);
 245         print_ffe_common(ffe, "FF_RUMBLE");
 246         printf(", rumble={strong_magnitude=%hu, weak_magnitude=%hu}",
 247                ffe->u.rumble.strong_magnitude, ffe->u.rumble.weak_magnitude);
 248         errno = EBADF;
 249         printf("}) = -1 EBADF (%m)\n");
 250
 251         ffe->type = 0xff;
 252         ioctl(-1, EVIOCSFF, ffe);
 253         print_ffe_common(ffe, "0xff /* FF_??? */");
 254         errno = EBADF;
 255         printf("}) = -1 EBADF (%m)\n");
 256 #  endif
 257
 258         ioctl(-1, _IOC(_IOC_READ, 0x45, 0x1, 0xff), lmagic);
 259         printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
 260                "_IOC(_IOC_READ, 0x45, 0x1, 0xff)", lmagic);
 261
 262         ioctl(-1, _IOC(_IOC_WRITE, 0x45, 0x1, 0xff), lmagic);
 263         printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
 264                "_IOC(_IOC_WRITE, 0x45, 0x1, 0xff)", lmagic);
 265
 266         ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x45, 0xfe, 0xff), lmagic);
 267         printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
 268                "_IOC(_IOC_READ|_IOC_WRITE, 0x45, 0xfe, 0xff)", lmagic);
 269
 270         ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x45, 0, 0), lmagic);
 271         printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
 272                "_IOC(_IOC_READ|_IOC_WRITE, 0x45, 0, 0)", lmagic);
 273
 274         puts("+++ exited with 0 +++");
 275         return 0;
 276 }
 277 #else
 278
 279 SKIP_MAIN_UNDEFINED("HAVE_LINUX_INPUT_H")
 280
 281 #endif