1 /*
2  * Copyright (C) 2023 The Android Open Source Project
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *  * Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  *  * Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in
12  *    the documentation and/or other materials provided with the
13  *    distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #pragma once
30 
31 /**
32  * @file utmpx.h
33  * @brief No-op implementation of POSIX login records.
34  */
35 
36 #include <sys/cdefs.h>
37 #include <sys/types.h>
38 #include <time.h>
39 
40 #define EMPTY         0
41 #define RUN_LVL       1
42 #define BOOT_TIME     2
43 #define NEW_TIME      3
44 #define OLD_TIME      4
45 #define INIT_PROCESS  5
46 #define LOGIN_PROCESS 6
47 #define USER_PROCESS  7
48 #define DEAD_PROCESS  8
49 #define ACCOUNTING    9
50 
51 struct utmpx {
52   short ut_type;
53   pid_t ut_pid;
54   char ut_line[32];
55   char ut_id[4];
56   char ut_user[32];
57   char ut_host[256];
58 
59   struct {
60     short e_termination;
61     short e_exit;
62   } ut_exit;
63 
64   long ut_session;
65   struct timeval ut_tv;
66 
67   int32_t ut_addr_v6[4];
68   char unused[20];
69 };
70 
71 __BEGIN_DECLS
72 
73 /**
74  * Does nothing.
75  */
76 void setutxent(void) __RENAME(setutent);
77 
78 /**
79  * Does nothing and returns null.
80  */
81 struct utmpx* _Nullable getutxent(void) __RENAME(getutent);
82 
83 /**
84  * Does nothing and returns null.
85  */
86 struct utmpx* _Nullable getutxid(const struct utmpx* _Nonnull __entry) __RENAME(getutent);
87 
88 /**
89  * Does nothing and returns null.
90  */
91 struct utmpx* _Nullable getutxline(const struct utmpx* _Nonnull __entry) __RENAME(getutent);
92 
93 /**
94  * Does nothing and returns null.
95  */
96 struct utmpx* _Nullable pututxline(const struct utmpx* _Nonnull __entry) __RENAME(pututline);
97 
98 /**
99  * Does nothing.
100  */
101 void endutxent(void) __RENAME(endutent);
102 
103 __END_DECLS
104