1 /*
2 * This file is part of ioctl_evdev strace test.
3 *
4 * Copyright (c) 2016 Dmitry V. Levin <ldv@strace.io>
5 * Copyright (c) 2016-2021 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 #include <errno.h>
14 #include <inttypes.h>
15 #include <stdio.h>
16 #include <string.h>
17 #include <sys/ioctl.h>
18 #include <linux/ioctl.h>
19 #include <linux/input.h>
20
21 #if XLAT_VERBOSE
22 # define UNK_CMD(val_, str_) val_
23 #else
24 # define UNK_CMD(val_, str_) val_ " /* " str_ " */"
25 #endif
26
27 static const unsigned int magic = 0xdeadbeef;
28 static const unsigned long lmagic = (unsigned long) 0xdeadbeefbadc0dedULL;
29
30 #if VERBOSE
31 static void
32 print_envelope(const struct ff_envelope *const e)
33 {
34 printf(", envelope={attack_length=%hu, attack_level=%hu"
35 ", fade_length=%hu, fade_level=%#hx}",
36 e->attack_length, e->attack_level,
37 e->fade_length, e->fade_level);
38 }
39 #endif /* VERBOSE */
40
41 static void
42 print_ffe_common(const struct ff_effect *const ffe, const char *const type_str)
43 {
44 printf("ioctl(-1, %s", XLAT_STR(EVIOCSFF));
45 printf(", {type=%s, id=%" PRId16
46 ", direction=%" PRIu16 ", ",
47 sprintxlat(type_str, ffe->type, NULL),
48 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", \
61 sprintxlat(str, cmd, NULL)); \
62 } while (0)
63
64 #define TEST_NULL_ARG(cmd) TEST_NULL_ARG_EX(cmd, #cmd)
65
66 int
67 main(void)
68 {
69 TEST_NULL_ARG(EVIOCGVERSION);
70 TEST_NULL_ARG(EVIOCGEFFECTS);
71 TEST_NULL_ARG(EVIOCGID);
72 TEST_NULL_ARG(EVIOCGKEYCODE);
73 TEST_NULL_ARG(EVIOCSKEYCODE);
74 TEST_NULL_ARG(EVIOCSFF);
75 TEST_NULL_ARG(EVIOCGKEYCODE_V2);
76 TEST_NULL_ARG(EVIOCSKEYCODE_V2);
77 TEST_NULL_ARG(EVIOCGREP);
78 TEST_NULL_ARG(EVIOCSREP);
79 TEST_NULL_ARG(EVIOCSCLOCKID);
80
81 TEST_NULL_ARG(EVIOCGNAME(0));
82 TEST_NULL_ARG(EVIOCGPHYS(0));
83 TEST_NULL_ARG(EVIOCGUNIQ(0));
84 TEST_NULL_ARG(EVIOCGKEY(0));
85 TEST_NULL_ARG(EVIOCGLED(0));
86 TEST_NULL_ARG(EVIOCGMTSLOTS(0));
87 TEST_NULL_ARG(EVIOCGMTSLOTS(8));
88 TEST_NULL_ARG(EVIOCGPROP(0));
89 TEST_NULL_ARG(EVIOCGSND(0));
90 TEST_NULL_ARG(EVIOCGSW(0));
91
92 TEST_NULL_ARG(EVIOCGABS(ABS_X));
93 TEST_NULL_ARG(EVIOCSABS(ABS_X));
94
95 TEST_NULL_ARG_EX(EVIOCGABS(0xe),
96 "EVIOCGABS(" UNK_CMD("0xe", "ABS_???") ")");
97 TEST_NULL_ARG_EX(EVIOCSABS(0xe),
98 "EVIOCSABS(" UNK_CMD("0xe", "ABS_???") ")");
99
100 TEST_NULL_ARG(EVIOCGABS(ABS_MT_TOOL_Y));
101 TEST_NULL_ARG(EVIOCSABS(ABS_MT_TOOL_Y));
102
103 TEST_NULL_ARG_EX(EVIOCGABS(0x3e),
104 "EVIOCGABS(" UNK_CMD("0x3e", "ABS_???") ")");
105 TEST_NULL_ARG_EX(EVIOCSABS(0x3e),
106 "EVIOCSABS(" UNK_CMD("0x3e", "ABS_???") ")");
107
108 TEST_NULL_ARG_EX(EVIOCGABS(0x3f),
109 "EVIOCGABS(" UNK_CMD("0x3f", "ABS_???") ")");
110 TEST_NULL_ARG_EX(EVIOCSABS(0x3f),
111 "EVIOCSABS(" UNK_CMD("0x3f", "ABS_???") ")");
112
113 TEST_NULL_ARG(EVIOCGBIT(0, 0));
114 TEST_NULL_ARG(EVIOCGBIT(EV_KEY, 1));
115 TEST_NULL_ARG(EVIOCGBIT(EV_REL, 2));
116 TEST_NULL_ARG(EVIOCGBIT(EV_ABS, 3));
117 TEST_NULL_ARG(EVIOCGBIT(EV_MSC, 4));
118 TEST_NULL_ARG(EVIOCGBIT(EV_SW, 5));
119 TEST_NULL_ARG(EVIOCGBIT(EV_LED, 6));
120 TEST_NULL_ARG(EVIOCGBIT(EV_SND, 7));
121 TEST_NULL_ARG(EVIOCGBIT(EV_REP, 8));
122 TEST_NULL_ARG(EVIOCGBIT(EV_FF, 9));
123 TEST_NULL_ARG(EVIOCGBIT(EV_PWR, 10));
124 TEST_NULL_ARG(EVIOCGBIT(EV_FF_STATUS, 11));
125
126 TEST_NULL_ARG_EX(EVIOCGBIT(0x6, 12),
127 "EVIOCGBIT(" UNK_CMD("0x6", "EV_???") ", 12)");
128 TEST_NULL_ARG_EX(EVIOCGBIT(0x18, 13),
129 "EVIOCGBIT(" UNK_CMD("0x18", "EV_???") ", 13)");
130 TEST_NULL_ARG_EX(EVIOCGBIT(0x1f, 14),
131 "EVIOCGBIT(" UNK_CMD("0x1f", "EV_???") ", 14)");
132
133 ioctl(-1, EVIOCGBIT(EV_MAX, 42), 0);
134 printf("ioctl(-1, ");
135 #if XLAT_RAW
136 printf("%#x", EVIOCGBIT(EV_MAX, 42));
137 #elif XLAT_VERBOSE
138 printf("%#x /* EVIOCGBIT(%#x, 42) */", EVIOCGBIT(EV_MAX, 42), EV_MAX);
139 #else
140 printf("EVIOCGBIT(%#x /* EV_??? */, 42)", EV_MAX);
141 #endif
142 printf(", NULL) = -1 EBADF (%m)\n");
143
144 ioctl(-1, EVIOCRMFF, lmagic);
145 printf("ioctl(-1, %s, %d) = -1 EBADF (%m)\n",
146 XLAT_STR(EVIOCRMFF), (int) lmagic);
147
148 ioctl(-1, EVIOCGRAB, lmagic);
149 printf("ioctl(-1, %s, %lu) = -1 EBADF (%m)\n",
150 XLAT_STR(EVIOCGRAB), lmagic);
151
152 ioctl(-1, EVIOCREVOKE, lmagic);
153 printf("ioctl(-1, %s, %lu) = -1 EBADF (%m)\n",
154 XLAT_STR(EVIOCREVOKE), lmagic);
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 ioctl(-1, EVIOCSCLOCKID, val_int);
164 printf("ioctl(-1, %s, [%u]) = -1 EBADF (%m)\n",
165 XLAT_STR(EVIOCSCLOCKID), *val_int);
166
167 int *pair_int = tail_alloc(sizeof(*pair_int) * 2);
168 pair_int[0] = 0xdeadbeef;
169 pair_int[1] = 0xbadc0ded;
170
171 ioctl(-1, EVIOCSREP, pair_int);
172 printf("ioctl(-1, %s, [%u, %u]) = -1 EBADF (%m)\n",
173 XLAT_STR(EVIOCSREP), pair_int[0], pair_int[1]);
174
175 pair_int[1] = 1;
176 ioctl(-1, EVIOCSKEYCODE, pair_int);
177 printf("ioctl(-1, %s, [%u, %s]) = -1 EBADF (%m)\n",
178 XLAT_STR(EVIOCSKEYCODE), pair_int[0],
179 XLAT_KNOWN(0x1, "KEY_ESC"));
180
181 TAIL_ALLOC_OBJECT_CONST_PTR(struct input_keymap_entry, ike);
182 fill_memory(ike, sizeof(*ike));
183 ike->keycode = 2;
184
185 ioctl(-1, EVIOCSKEYCODE_V2, ike);
186 printf("ioctl(-1, %s, {flags=%" PRIu8 ", len=%" PRIu8 ", ",
187 XLAT_STR(EVIOCSKEYCODE_V2), ike->flags, ike->len);
188 #if VERBOSE
189 printf("index=%" PRIu16 ", keycode=%s, scancode=[",
190 ike->index, XLAT_STR(KEY_1));
191 for (unsigned int i = 0; i < ARRAY_SIZE(ike->scancode); ++i) {
192 if (i > 0)
193 printf(", ");
194 printf("%#" PRIx8, ike->scancode[i]);
195 }
196 printf("]");
197 #else
198 printf("...");
199 #endif
200 errno = EBADF;
201 printf("}) = -1 EBADF (%m)\n");
202
203 TAIL_ALLOC_OBJECT_CONST_PTR(struct ff_effect, ffe);
204 fill_memory(ffe, sizeof(*ffe));
205
206 ffe->type = FF_CONSTANT;
207 ioctl(-1, EVIOCSFF, ffe);
208 print_ffe_common(ffe, "FF_CONSTANT");
209
210 #if VERBOSE
211 printf(", constant={level=%hd", ffe->u.constant.level);
212 print_envelope(&ffe->u.constant.envelope);
213 printf("}");
214 #else
215 printf("...");
216 #endif
217 errno = EBADF;
218 printf("}) = -1 EBADF (%m)\n");
219
220 #if VERBOSE
221 ffe->type = FF_RAMP;
222 ioctl(-1, EVIOCSFF, ffe);
223 print_ffe_common(ffe, "FF_RAMP");
224 printf(", ramp={start_level=%hd, end_level=%hd",
225 ffe->u.ramp.start_level, ffe->u.ramp.end_level);
226 print_envelope(&ffe->u.ramp.envelope);
227 errno = EBADF;
228 printf("}}) = -1 EBADF (%m)\n");
229
230 ffe->type = FF_PERIODIC;
231 ioctl(-1, EVIOCSFF, ffe);
232 print_ffe_common(ffe, "FF_PERIODIC");
233 printf(", periodic={waveform=%hu, period=%hu, magnitude=%hd"
234 ", offset=%hd, phase=%hu",
235 ffe->u.periodic.waveform, ffe->u.periodic.period,
236 ffe->u.periodic.magnitude, ffe->u.periodic.offset,
237 ffe->u.periodic.phase);
238 print_envelope(&ffe->u.periodic.envelope);
239 printf(", custom_len=%u, custom_data=%p}",
240 ffe->u.periodic.custom_len, ffe->u.periodic.custom_data);
241 errno = EBADF;
242 printf("}) = -1 EBADF (%m)\n");
243
244 ffe->type = FF_RUMBLE;
245 ioctl(-1, EVIOCSFF, ffe);
246 print_ffe_common(ffe, "FF_RUMBLE");
247 printf(", rumble={strong_magnitude=%hu, weak_magnitude=%hu}",
248 ffe->u.rumble.strong_magnitude, ffe->u.rumble.weak_magnitude);
249 errno = EBADF;
250 printf("}) = -1 EBADF (%m)\n");
251
252 ffe->type = 0xff;
253 ioctl(-1, EVIOCSFF, ffe);
254 print_ffe_common(ffe,
255 # if !XLAT_RAW && !XLAT_VERBOSE
256 "0xff"
257 # endif
258 # if !XLAT_VERBOSE
259 " /* "
260 # endif
261 "FF_???"
262 # if !XLAT_VERBOSE
263 " */"
264 # endif
265 );
266 errno = EBADF;
267 printf("}) = -1 EBADF (%m)\n");
268 #endif
269
270 ioctl(-1, _IOC(_IOC_READ, 0x45, 0x1, 0xff), lmagic);
271 printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
272 XLAT_STR(_IOC(_IOC_READ, 0x45, 0x1, 0xff)), lmagic);
273
274 ioctl(-1, _IOC(_IOC_WRITE, 0x45, 0x1, 0xff), lmagic);
275 printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
276 XLAT_STR(_IOC(_IOC_WRITE, 0x45, 0x1, 0xff)), lmagic);
277
278 ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x45, 0xfe, 0xff), lmagic);
279 printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
280 XLAT_STR(_IOC(_IOC_READ|_IOC_WRITE, 0x45, 0xfe, 0xff)), lmagic);
281
282 ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x45, 0, 0), lmagic);
283 printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
284 XLAT_STR(_IOC(_IOC_READ|_IOC_WRITE, 0x45, 0, 0)), lmagic);
285
286 puts("+++ exited with 0 +++");
287 return 0;
288 }