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) 2016-2018 The strace developers.
   6  * All rights reserved.
   7  *
   8  * SPDX-License-Identifier: GPL-2.0-or-later
   9  */
  10
  11 #include "tests.h"
  12
  13 #ifdef HAVE_LINUX_INPUT_H
  14
  15 # include <errno.h>
  16 # include <inttypes.h>
  17 # include <stdio.h>
  18 # include <string.h>
  19 # include <sys/ioctl.h>
  20 # include <linux/input.h>
  21
  22 # ifndef EV_SW
  23 #  define EV_SW 5
  24 # endif
  25 # ifndef ABS_MT_TOOL_Y
  26 #  define ABS_MT_TOOL_Y 0x3d
  27 # endif
  28
  29 static const unsigned int magic = 0xdeadbeef;
  30 static const unsigned long lmagic = (unsigned long) 0xdeadbeefbadc0dedULL;
  31
  32 # if VERBOSE
  33 static void
  34 print_envelope(const struct ff_envelope *const e)
  35 {
  36         printf(", envelope={attack_length=%hu, attack_level=%hu"
  37                ", fade_length=%hu, fade_level=%#hx}",
  38                e->attack_length, e->attack_level,
  39                e->fade_length, e->fade_level);
  40 }
  41 # endif /* VERBOSE */
  42
  43 static void
  44 print_ffe_common(const struct ff_effect *const ffe, const char *const type_str)
  45 {
  46         printf("ioctl(-1, EVIOCSFF, {type=%s, id=%" PRIu16
  47                ", direction=%" PRIu16 ", ",
  48                type_str, ffe->id, ffe->direction);
  49 # if VERBOSE
  50         printf("trigger={button=%hu, interval=%hu}"
  51                ", replay={length=%hu, delay=%hu}",
  52                ffe->trigger.button, ffe->trigger.interval,
  53                ffe->replay.length, ffe->replay.delay);
  54 # endif /* VERBOSE */
  55 }
  56
  57 # define TEST_NULL_ARG_EX(cmd, str)                                             \
  58         do {                                                            \
  59                 ioctl(-1, cmd, 0);                                      \
  60                 printf("ioctl(-1, %s, NULL) = -1 EBADF (%m)\n", str);   \
  61         } while (0)
  62
  63 # define TEST_NULL_ARG(cmd) TEST_NULL_ARG_EX(cmd, #cmd)
  64
  65 int
  66 main(void)
  67 {
  68         TEST_NULL_ARG(EVIOCGVERSION);
  69         TEST_NULL_ARG(EVIOCGEFFECTS);
  70         TEST_NULL_ARG(EVIOCGID);
  71         TEST_NULL_ARG(EVIOCGKEYCODE);
  72         TEST_NULL_ARG(EVIOCSKEYCODE);
  73         TEST_NULL_ARG(EVIOCSFF);
  74 # ifdef EVIOCGKEYCODE_V2
  75         TEST_NULL_ARG(EVIOCGKEYCODE_V2);
  76 # endif
  77 # ifdef EVIOCSKEYCODE_V2
  78         TEST_NULL_ARG(EVIOCSKEYCODE_V2);
  79 # endif
  80 # ifdef EVIOCGREP
  81         TEST_NULL_ARG(EVIOCGREP);
  82 # endif
  83 # ifdef EVIOCSREP
  84         TEST_NULL_ARG(EVIOCSREP);
  85 # endif
  86 # ifdef EVIOCSCLOCKID
  87         TEST_NULL_ARG(EVIOCSCLOCKID);
  88 # endif
  89
  90         TEST_NULL_ARG(EVIOCGNAME(0));
  91         TEST_NULL_ARG(EVIOCGPHYS(0));
  92         TEST_NULL_ARG(EVIOCGUNIQ(0));
  93         TEST_NULL_ARG(EVIOCGKEY(0));
  94         TEST_NULL_ARG(EVIOCGLED(0));
  95 # ifdef EVIOCGMTSLOTS
  96         TEST_NULL_ARG(EVIOCGMTSLOTS(0));
  97         TEST_NULL_ARG(EVIOCGMTSLOTS(8));
  98 # endif
  99 # ifdef EVIOCGPROP
 100         TEST_NULL_ARG(EVIOCGPROP(0));
 101 # endif
 102         TEST_NULL_ARG(EVIOCGSND(0));
 103 # ifdef EVIOCGSW
 104         TEST_NULL_ARG(EVIOCGSW(0));
 105 # endif
 106
 107         TEST_NULL_ARG(EVIOCGABS(ABS_X));
 108         TEST_NULL_ARG(EVIOCSABS(ABS_X));
 109
 110         TEST_NULL_ARG_EX(EVIOCGABS(0xe), "EVIOCGABS(0xe /* ABS_??? */)");
 111         TEST_NULL_ARG_EX(EVIOCSABS(0xe), "EVIOCSABS(0xe /* ABS_??? */)");
 112
 113         TEST_NULL_ARG(EVIOCGABS(ABS_MT_TOOL_Y));
 114         TEST_NULL_ARG(EVIOCSABS(ABS_MT_TOOL_Y));
 115
 116         TEST_NULL_ARG_EX(EVIOCGABS(0x3e), "EVIOCGABS(0x3e /* ABS_??? */)");
 117         TEST_NULL_ARG_EX(EVIOCSABS(0x3e), "EVIOCSABS(0x3e /* ABS_??? */)");
 118
 119         TEST_NULL_ARG_EX(EVIOCGABS(0x3f), "EVIOCGABS(0x3f /* ABS_??? */)");
 120         TEST_NULL_ARG_EX(EVIOCSABS(0x3f), "EVIOCSABS(0x3f /* ABS_??? */)");
 121
 122         TEST_NULL_ARG(EVIOCGBIT(0, 0));
 123         TEST_NULL_ARG(EVIOCGBIT(EV_KEY, 1));
 124         TEST_NULL_ARG(EVIOCGBIT(EV_REL, 2));
 125         TEST_NULL_ARG(EVIOCGBIT(EV_ABS, 3));
 126         TEST_NULL_ARG(EVIOCGBIT(EV_MSC, 4));
 127         TEST_NULL_ARG(EVIOCGBIT(EV_SW, 5));
 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         TEST_NULL_ARG_EX(EVIOCGBIT(0x6, 12), "EVIOCGBIT(0x6 /* EV_??? */, 12)");
 136         TEST_NULL_ARG_EX(EVIOCGBIT(0x18, 13),
 137                          "EVIOCGBIT(0x18 /* EV_??? */, 13)");
 138         TEST_NULL_ARG_EX(EVIOCGBIT(0x1f, 14),
 139                          "EVIOCGBIT(0x1f /* EV_??? */, 14)");
 140
 141         ioctl(-1, EVIOCGBIT(EV_MAX, 42), 0);
 142         printf("ioctl(-1, EVIOCGBIT(%#x /* EV_??? */, 42), NULL)"
 143                " = -1 EBADF (%m)\n", EV_MAX);
 144
 145         ioctl(-1, EVIOCRMFF, lmagic);
 146         printf("ioctl(-1, EVIOCRMFF, %d) = -1 EBADF (%m)\n", (int) lmagic);
 147
 148         ioctl(-1, EVIOCGRAB, lmagic);
 149         printf("ioctl(-1, EVIOCGRAB, %lu) = -1 EBADF (%m)\n", lmagic);
 150
 151 # ifdef EVIOCREVOKE
 152         ioctl(-1, EVIOCREVOKE, lmagic);
 153         printf("ioctl(-1, EVIOCREVOKE, %lu) = -1 EBADF (%m)\n", lmagic);
 154 # endif
 155
 156         const unsigned int size = get_page_size();
 157         void *const page = tail_alloc(size);
 158         fill_memory(page, size);
 159
 160         TAIL_ALLOC_OBJECT_CONST_PTR(int, val_int);
 161         *val_int = magic;
 162
 163 # ifdef EVIOCSCLOCKID
 164         ioctl(-1, EVIOCSCLOCKID, val_int);
 165         printf("ioctl(-1, EVIOCSCLOCKID, [%u]) = -1 EBADF (%m)\n", *val_int);
 166 # endif
 167
 168         int *pair_int = tail_alloc(sizeof(*pair_int) * 2);
 169         pair_int[0] = 0xdeadbeef;
 170         pair_int[1] = 0xbadc0ded;
 171
 172 # ifdef EVIOSGREP
 173         ioctl(-1, EVIOCSREP, pair_int);
 174         printf("ioctl(-1, EVIOCSREP, [%u, %u]) = -1 EBADF (%m)\n",
 175                pair_int[0], pair_int[1]);
 176 # endif
 177
 178         pair_int[1] = 1;
 179         ioctl(-1, EVIOCSKEYCODE, pair_int);
 180         printf("ioctl(-1, EVIOCSKEYCODE, [%u, %s]) = -1 EBADF (%m)\n",
 181                pair_int[0], "KEY_ESC");
 182
 183 # ifdef EVIOCSKEYCODE_V2
 184         TAIL_ALLOC_OBJECT_CONST_PTR(struct input_keymap_entry, ike);
 185         fill_memory(ike, sizeof(*ike));
 186         ike->keycode = 2;
 187
 188         ioctl(-1, EVIOCSKEYCODE_V2, ike);
 189         printf("ioctl(-1, EVIOCSKEYCODE_V2, {flags=%" PRIu8
 190                ", len=%" PRIu8 ", ", ike->flags, ike->len);
 191 #  if VERBOSE
 192         printf("index=%" PRIu16 ", keycode=%s, scancode=[",
 193                ike->index, "KEY_1");
 194         unsigned int i;
 195         for (i = 0; i < ARRAY_SIZE(ike->scancode); ++i) {
 196                 if (i > 0)
 197                         printf(", ");
 198                 printf("%" PRIx8, ike->scancode[i]);
 199         }
 200         printf("]");
 201 #  else
 202         printf("...");
 203 #  endif
 204         errno = EBADF;
 205         printf("}) = -1 EBADF (%m)\n");
 206 # endif
 207
 208         TAIL_ALLOC_OBJECT_CONST_PTR(struct ff_effect, ffe);
 209         fill_memory(ffe, sizeof(*ffe));
 210
 211         ffe->type = FF_CONSTANT;
 212         ioctl(-1, EVIOCSFF, ffe);
 213         print_ffe_common(ffe, "FF_CONSTANT");
 214
 215 #  if VERBOSE
 216         printf(", constant={level=%hd", ffe->u.constant.level);
 217         print_envelope(&ffe->u.constant.envelope);
 218         printf("}");
 219 #  else
 220         printf("...");
 221 #  endif
 222         errno = EBADF;
 223         printf("}) = -1 EBADF (%m)\n");
 224
 225 #  if VERBOSE
 226         ffe->type = FF_RAMP;
 227         ioctl(-1, EVIOCSFF, ffe);
 228         print_ffe_common(ffe, "FF_RAMP");
 229         printf(", ramp={start_level=%hd, end_level=%hd",
 230                ffe->u.ramp.start_level, ffe->u.ramp.end_level);
 231         print_envelope(&ffe->u.ramp.envelope);
 232         errno = EBADF;
 233         printf("}}) = -1 EBADF (%m)\n");
 234
 235         ffe->type = FF_PERIODIC;
 236         ioctl(-1, EVIOCSFF, ffe);
 237         print_ffe_common(ffe, "FF_PERIODIC");
 238         printf(", periodic={waveform=%hu, period=%hu, magnitude=%hd"
 239                ", offset=%hd, phase=%hu",
 240                ffe->u.periodic.waveform, ffe->u.periodic.period,
 241                ffe->u.periodic.magnitude, ffe->u.periodic.offset,
 242                ffe->u.periodic.phase);
 243         print_envelope(&ffe->u.periodic.envelope);
 244         printf(", custom_len=%u, custom_data=%p}",
 245                ffe->u.periodic.custom_len, ffe->u.periodic.custom_data);
 246         errno = EBADF;
 247         printf("}) = -1 EBADF (%m)\n");
 248
 249         ffe->type = FF_RUMBLE;
 250         ioctl(-1, EVIOCSFF, ffe);
 251         print_ffe_common(ffe, "FF_RUMBLE");
 252         printf(", rumble={strong_magnitude=%hu, weak_magnitude=%hu}",
 253                ffe->u.rumble.strong_magnitude, ffe->u.rumble.weak_magnitude);
 254         errno = EBADF;
 255         printf("}) = -1 EBADF (%m)\n");
 256
 257         ffe->type = 0xff;
 258         ioctl(-1, EVIOCSFF, ffe);
 259         print_ffe_common(ffe, "0xff /* FF_??? */");
 260         errno = EBADF;
 261         printf("}) = -1 EBADF (%m)\n");
 262 #  endif
 263
 264         ioctl(-1, _IOC(_IOC_READ, 0x45, 0x1, 0xff), lmagic);
 265         printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
 266                "_IOC(_IOC_READ, 0x45, 0x1, 0xff)", lmagic);
 267
 268         ioctl(-1, _IOC(_IOC_WRITE, 0x45, 0x1, 0xff), lmagic);
 269         printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
 270                "_IOC(_IOC_WRITE, 0x45, 0x1, 0xff)", lmagic);
 271
 272         ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x45, 0xfe, 0xff), lmagic);
 273         printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
 274                "_IOC(_IOC_READ|_IOC_WRITE, 0x45, 0xfe, 0xff)", lmagic);
 275
 276         ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x45, 0, 0), lmagic);
 277         printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
 278                "_IOC(_IOC_READ|_IOC_WRITE, 0x45, 0, 0)", lmagic);
 279
 280         puts("+++ exited with 0 +++");
 281         return 0;
 282 }
 283 #else
 284
 285 SKIP_MAIN_UNDEFINED("HAVE_LINUX_INPUT_H")
 286
 287 #endif