githubmirror/strace

tests/ioctl_evdev.c
288 строк8 KB
Dmitry V. Levin
Use loop initial declarations
05 ноя 2021, 11:00
05 ноя 2021, 11:00462fa29
/*
 * This file is part of ioctl_evdev strace test.
 *
 * Copyright (c) 2016 Dmitry V. Levin <ldv@strace.io>
 * Copyright (c) 2016-2021 The strace developers.
 * All rights reserved.
 *
 * SPDX-License-Identifier: GPL-2.0-or-later
 */

#include "tests.h"

#include <errno.h>
#include <inttypes.h>
#include <stdio.h>
#include <string.h>
#include <sys/ioctl.h>
#include <linux/ioctl.h>
#include <linux/input.h>

#if XLAT_VERBOSE
# define UNK_CMD(val_, str_) val_
#else
# define UNK_CMD(val_, str_) val_ " /* " str_ " */"
#endif

static const unsigned int magic = 0xdeadbeef;
static const unsigned long lmagic = (unsigned long) 0xdeadbeefbadc0dedULL;

#if VERBOSE
static void
print_envelope(const struct ff_envelope *const e)
{
	printf(", envelope={attack_length=%hu, attack_level=%hu"
	       ", fade_length=%hu, fade_level=%#hx}",
	       e->attack_length, e->attack_level,
	       e->fade_length, e->fade_level);
}
#endif /* VERBOSE */

static void
print_ffe_common(const struct ff_effect *const ffe, const char *const type_str)
{
	printf("ioctl(-1, %s", XLAT_STR(EVIOCSFF));
	printf(", {type=%s, id=%" PRId16
	       ", direction=%" PRIu16 ", ",
	       sprintxlat(type_str, ffe->type, NULL),
	       ffe->id, ffe->direction);
#if VERBOSE
	printf("trigger={button=%hu, interval=%hu}"
	       ", replay={length=%hu, delay=%hu}",
	       ffe->trigger.button, ffe->trigger.interval,
	       ffe->replay.length, ffe->replay.delay);
#endif /* VERBOSE */
}

#define TEST_NULL_ARG_EX(cmd, str)					\
	do {								\
		ioctl(-1, cmd, 0);					\
		printf("ioctl(-1, %s, NULL) = -1 EBADF (%m)\n",		\
		       sprintxlat(str, cmd, NULL));			\
	} while (0)

#define TEST_NULL_ARG(cmd) TEST_NULL_ARG_EX(cmd, #cmd)

int
main(void)
{
	TEST_NULL_ARG(EVIOCGVERSION);
	TEST_NULL_ARG(EVIOCGEFFECTS);
	TEST_NULL_ARG(EVIOCGID);
	TEST_NULL_ARG(EVIOCGKEYCODE);
	TEST_NULL_ARG(EVIOCSKEYCODE);
	TEST_NULL_ARG(EVIOCSFF);
	TEST_NULL_ARG(EVIOCGKEYCODE_V2);
	TEST_NULL_ARG(EVIOCSKEYCODE_V2);
	TEST_NULL_ARG(EVIOCGREP);
	TEST_NULL_ARG(EVIOCSREP);
	TEST_NULL_ARG(EVIOCSCLOCKID);

	TEST_NULL_ARG(EVIOCGNAME(0));
	TEST_NULL_ARG(EVIOCGPHYS(0));
	TEST_NULL_ARG(EVIOCGUNIQ(0));
	TEST_NULL_ARG(EVIOCGKEY(0));
	TEST_NULL_ARG(EVIOCGLED(0));
	TEST_NULL_ARG(EVIOCGMTSLOTS(0));
	TEST_NULL_ARG(EVIOCGMTSLOTS(8));
	TEST_NULL_ARG(EVIOCGPROP(0));
	TEST_NULL_ARG(EVIOCGSND(0));
	TEST_NULL_ARG(EVIOCGSW(0));

	TEST_NULL_ARG(EVIOCGABS(ABS_X));
	TEST_NULL_ARG(EVIOCSABS(ABS_X));

	TEST_NULL_ARG_EX(EVIOCGABS(0xe),
			 "EVIOCGABS(" UNK_CMD("0xe", "ABS_???") ")");
	TEST_NULL_ARG_EX(EVIOCSABS(0xe),
			 "EVIOCSABS(" UNK_CMD("0xe", "ABS_???") ")");

	TEST_NULL_ARG(EVIOCGABS(ABS_MT_TOOL_Y));
	TEST_NULL_ARG(EVIOCSABS(ABS_MT_TOOL_Y));

	TEST_NULL_ARG_EX(EVIOCGABS(0x3e),
			 "EVIOCGABS(" UNK_CMD("0x3e", "ABS_???") ")");
	TEST_NULL_ARG_EX(EVIOCSABS(0x3e),
			 "EVIOCSABS(" UNK_CMD("0x3e", "ABS_???") ")");

	TEST_NULL_ARG_EX(EVIOCGABS(0x3f),
			 "EVIOCGABS(" UNK_CMD("0x3f", "ABS_???") ")");
	TEST_NULL_ARG_EX(EVIOCSABS(0x3f),
			 "EVIOCSABS(" UNK_CMD("0x3f", "ABS_???") ")");

	TEST_NULL_ARG(EVIOCGBIT(0, 0));
	TEST_NULL_ARG(EVIOCGBIT(EV_KEY, 1));
	TEST_NULL_ARG(EVIOCGBIT(EV_REL, 2));
	TEST_NULL_ARG(EVIOCGBIT(EV_ABS, 3));
	TEST_NULL_ARG(EVIOCGBIT(EV_MSC, 4));
	TEST_NULL_ARG(EVIOCGBIT(EV_SW, 5));
	TEST_NULL_ARG(EVIOCGBIT(EV_LED, 6));
	TEST_NULL_ARG(EVIOCGBIT(EV_SND, 7));
	TEST_NULL_ARG(EVIOCGBIT(EV_REP, 8));
	TEST_NULL_ARG(EVIOCGBIT(EV_FF, 9));
	TEST_NULL_ARG(EVIOCGBIT(EV_PWR, 10));
	TEST_NULL_ARG(EVIOCGBIT(EV_FF_STATUS, 11));

	TEST_NULL_ARG_EX(EVIOCGBIT(0x6, 12),
			 "EVIOCGBIT(" UNK_CMD("0x6", "EV_???") ", 12)");
	TEST_NULL_ARG_EX(EVIOCGBIT(0x18, 13),
			 "EVIOCGBIT(" UNK_CMD("0x18", "EV_???") ", 13)");
	TEST_NULL_ARG_EX(EVIOCGBIT(0x1f, 14),
			 "EVIOCGBIT(" UNK_CMD("0x1f", "EV_???") ", 14)");

	ioctl(-1, EVIOCGBIT(EV_MAX, 42), 0);
	printf("ioctl(-1, ");
#if XLAT_RAW
	printf("%#x", EVIOCGBIT(EV_MAX, 42));
#elif XLAT_VERBOSE
	printf("%#x /* EVIOCGBIT(%#x, 42) */", EVIOCGBIT(EV_MAX, 42), EV_MAX);
#else
	printf("EVIOCGBIT(%#x /* EV_??? */, 42)", EV_MAX);
#endif
	printf(", NULL) = -1 EBADF (%m)\n");

	ioctl(-1, EVIOCRMFF, lmagic);
	printf("ioctl(-1, %s, %d) = -1 EBADF (%m)\n",
	       XLAT_STR(EVIOCRMFF), (int) lmagic);

	ioctl(-1, EVIOCGRAB, lmagic);
	printf("ioctl(-1, %s, %lu) = -1 EBADF (%m)\n",
	       XLAT_STR(EVIOCGRAB), lmagic);

	ioctl(-1, EVIOCREVOKE, lmagic);
	printf("ioctl(-1, %s, %lu) = -1 EBADF (%m)\n",
	       XLAT_STR(EVIOCREVOKE), lmagic);

	const unsigned int size = get_page_size();
	void *const page = tail_alloc(size);
	fill_memory(page, size);

	TAIL_ALLOC_OBJECT_CONST_PTR(int, val_int);
	*val_int = magic;

	ioctl(-1, EVIOCSCLOCKID, val_int);
	printf("ioctl(-1, %s, [%u]) = -1 EBADF (%m)\n",
	       XLAT_STR(EVIOCSCLOCKID), *val_int);

	int *pair_int = tail_alloc(sizeof(*pair_int) * 2);
	pair_int[0] = 0xdeadbeef;
	pair_int[1] = 0xbadc0ded;

	ioctl(-1, EVIOCSREP, pair_int);
	printf("ioctl(-1, %s, [%u, %u]) = -1 EBADF (%m)\n",
	       XLAT_STR(EVIOCSREP), pair_int[0], pair_int[1]);

	pair_int[1] = 1;
	ioctl(-1, EVIOCSKEYCODE, pair_int);
	printf("ioctl(-1, %s, [%u, %s]) = -1 EBADF (%m)\n",
	       XLAT_STR(EVIOCSKEYCODE), pair_int[0],
	       XLAT_KNOWN(0x1, "KEY_ESC"));

	TAIL_ALLOC_OBJECT_CONST_PTR(struct input_keymap_entry, ike);
	fill_memory(ike, sizeof(*ike));
	ike->keycode = 2;

	ioctl(-1, EVIOCSKEYCODE_V2, ike);
	printf("ioctl(-1, %s, {flags=%" PRIu8 ", len=%" PRIu8 ", ",
	       XLAT_STR(EVIOCSKEYCODE_V2), ike->flags, ike->len);
#if VERBOSE
	printf("index=%" PRIu16 ", keycode=%s, scancode=[",
	       ike->index, XLAT_STR(KEY_1));
	for (unsigned int i = 0; i < ARRAY_SIZE(ike->scancode); ++i) {
		if (i > 0)
			printf(", ");
		printf("%#" PRIx8, ike->scancode[i]);
	}
	printf("]");
#else
	printf("...");
#endif
	errno = EBADF;
	printf("}) = -1 EBADF (%m)\n");

	TAIL_ALLOC_OBJECT_CONST_PTR(struct ff_effect, ffe);
	fill_memory(ffe, sizeof(*ffe));

	ffe->type = FF_CONSTANT;
	ioctl(-1, EVIOCSFF, ffe);
	print_ffe_common(ffe, "FF_CONSTANT");

#if VERBOSE
	printf(", constant={level=%hd", ffe->u.constant.level);
	print_envelope(&ffe->u.constant.envelope);
	printf("}");
#else
	printf("...");
#endif
	errno = EBADF;
	printf("}) = -1 EBADF (%m)\n");

#if VERBOSE
	ffe->type = FF_RAMP;
	ioctl(-1, EVIOCSFF, ffe);
	print_ffe_common(ffe, "FF_RAMP");
	printf(", ramp={start_level=%hd, end_level=%hd",
	       ffe->u.ramp.start_level, ffe->u.ramp.end_level);
	print_envelope(&ffe->u.ramp.envelope);
	errno = EBADF;
	printf("}}) = -1 EBADF (%m)\n");

	ffe->type = FF_PERIODIC;
	ioctl(-1, EVIOCSFF, ffe);
	print_ffe_common(ffe, "FF_PERIODIC");
	printf(", periodic={waveform=%hu, period=%hu, magnitude=%hd"
	       ", offset=%hd, phase=%hu",
	       ffe->u.periodic.waveform, ffe->u.periodic.period,
	       ffe->u.periodic.magnitude, ffe->u.periodic.offset,
	       ffe->u.periodic.phase);
	print_envelope(&ffe->u.periodic.envelope);
	printf(", custom_len=%u, custom_data=%p}",
	       ffe->u.periodic.custom_len, ffe->u.periodic.custom_data);
	errno = EBADF;
	printf("}) = -1 EBADF (%m)\n");

	ffe->type = FF_RUMBLE;
	ioctl(-1, EVIOCSFF, ffe);
	print_ffe_common(ffe, "FF_RUMBLE");
	printf(", rumble={strong_magnitude=%hu, weak_magnitude=%hu}",
	       ffe->u.rumble.strong_magnitude, ffe->u.rumble.weak_magnitude);
	errno = EBADF;
	printf("}) = -1 EBADF (%m)\n");

	ffe->type = 0xff;
	ioctl(-1, EVIOCSFF, ffe);
	print_ffe_common(ffe,
# if !XLAT_RAW && !XLAT_VERBOSE
		"0xff"
# endif
# if !XLAT_VERBOSE
		" /* "
# endif
		"FF_???"
# if !XLAT_VERBOSE
		" */"
# endif
		);
	errno = EBADF;
	printf("}) = -1 EBADF (%m)\n");
#endif

	ioctl(-1, _IOC(_IOC_READ, 0x45, 0x1, 0xff), lmagic);
	printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
	       XLAT_STR(_IOC(_IOC_READ, 0x45, 0x1, 0xff)), lmagic);

	ioctl(-1, _IOC(_IOC_WRITE, 0x45, 0x1, 0xff), lmagic);
	printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
	       XLAT_STR(_IOC(_IOC_WRITE, 0x45, 0x1, 0xff)), lmagic);

	ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x45, 0xfe, 0xff), lmagic);
	printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
	       XLAT_STR(_IOC(_IOC_READ|_IOC_WRITE, 0x45, 0xfe, 0xff)), lmagic);

	ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x45, 0, 0), lmagic);
	printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
	       XLAT_STR(_IOC(_IOC_READ|_IOC_WRITE, 0x45, 0, 0)), lmagic);

	puts("+++ exited with 0 +++");
	return 0;
}