This file is indexed.

/usr/include/linux/uhid.h is in linux-libc-dev 3.16.56-1+deb8u1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
#ifndef __UHID_H_
#define __UHID_H_

/*
 * User-space I/O driver support for HID subsystem
 * Copyright (c) 2012 David Herrmann
 */

/*
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 */

/*
 * Public header for user-space communication. We try to keep every structure
 * aligned but to be safe we also use __attribute__((__packed__)). Therefore,
 * the communication should be ABI compatible even between architectures.
 */

#include <linux/input.h>
#include <linux/types.h>
#include <linux/hid.h>

enum uhid_event_type {
	UHID_CREATE,
	UHID_DESTROY,
	UHID_START,
	UHID_STOP,
	UHID_OPEN,
	UHID_CLOSE,
	UHID_OUTPUT,
	UHID_OUTPUT_EV,			/* obsolete! */
	UHID_INPUT,
	UHID_FEATURE,
	UHID_FEATURE_ANSWER,
	UHID_CREATE2,
	UHID_INPUT2,
};

struct uhid_create_req {
	__u8 name[128];
	__u8 phys[64];
	__u8 uniq[64];
	__u8 *rd_data;
	__u16 rd_size;

	__u16 bus;
	__u32 vendor;
	__u32 product;
	__u32 version;
	__u32 country;
} __attribute__((__packed__));

struct uhid_create2_req {
	__u8 name[128];
	__u8 phys[64];
	__u8 uniq[64];
	__u16 rd_size;
	__u16 bus;
	__u32 vendor;
	__u32 product;
	__u32 version;
	__u32 country;
	__u8 rd_data[HID_MAX_DESCRIPTOR_SIZE];
} __attribute__((__packed__));

#define UHID_DATA_MAX 4096

enum uhid_report_type {
	UHID_FEATURE_REPORT,
	UHID_OUTPUT_REPORT,
	UHID_INPUT_REPORT,
};

struct uhid_input_req {
	__u8 data[UHID_DATA_MAX];
	__u16 size;
} __attribute__((__packed__));

struct uhid_input2_req {
	__u16 size;
	__u8 data[UHID_DATA_MAX];
} __attribute__((__packed__));

struct uhid_output_req {
	__u8 data[UHID_DATA_MAX];
	__u16 size;
	__u8 rtype;
} __attribute__((__packed__));

/* Obsolete! Newer kernels will no longer send these events but instead convert
 * it into raw output reports via UHID_OUTPUT. */
struct uhid_output_ev_req {
	__u16 type;
	__u16 code;
	__s32 value;
} __attribute__((__packed__));

struct uhid_feature_req {
	__u32 id;
	__u8 rnum;
	__u8 rtype;
} __attribute__((__packed__));

struct uhid_feature_answer_req {
	__u32 id;
	__u16 err;
	__u16 size;
	__u8 data[UHID_DATA_MAX];
} __attribute__((__packed__));

struct uhid_event {
	__u32 type;

	union {
		struct uhid_create_req create;
		struct uhid_input_req input;
		struct uhid_output_req output;
		struct uhid_output_ev_req output_ev;
		struct uhid_feature_req feature;
		struct uhid_feature_answer_req feature_answer;
		struct uhid_create2_req create2;
		struct uhid_input2_req input2;
	} u;
} __attribute__((__packed__));

#endif /* __UHID_H_ */