1 /*
2  * Copyright (c) 1999-2004 Damien Miller <djm@mindrot.org>
3  *
4  * Permission to use, copy, modify, and distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 #ifndef _BSD_MISC_H
18 #define _BSD_MISC_H
19 
20 #include "includes.h"
21 
22 char *ssh_get_progname(char *);
23 
24 #ifndef HAVE_SETSID
25 #define setsid() setpgrp(0, getpid())
26 #endif /* !HAVE_SETSID */
27 
28 #ifndef HAVE_SETENV
29 int setenv(const char *, const char *, int);
30 #endif /* !HAVE_SETENV */
31 
32 #ifndef HAVE_SETLOGIN
33 int setlogin(const char *);
34 #endif /* !HAVE_SETLOGIN */
35 
36 #ifndef HAVE_INNETGR
37 int innetgr(const char *, const char *, const char *, const char *);
38 #endif /* HAVE_INNETGR */
39 
40 #if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
41 int seteuid(uid_t);
42 #endif /* !defined(HAVE_SETEUID) && defined(HAVE_SETREUID) */
43 
44 #if !defined(HAVE_SETEGID) && defined(HAVE_SETRESGID)
45 int setegid(uid_t);
46 #endif /* !defined(HAVE_SETEGID) && defined(HAVE_SETRESGID) */
47 
48 #if !defined(HAVE_STRERROR) && defined(HAVE_SYS_ERRLIST) && defined(HAVE_SYS_NERR)
49 const char *strerror(int);
50 #endif
51 
52 #if !defined(HAVE_SETLINEBUF)
53 #define setlinebuf(a)	(setvbuf((a), NULL, _IOLBF, 0))
54 #endif
55 
56 #ifndef HAVE_UTIMES
57 #ifndef HAVE_STRUCT_TIMEVAL
58 struct timeval {
59 	long tv_sec;
60 	long tv_usec;
61 }
62 #endif /* HAVE_STRUCT_TIMEVAL */
63 
64 int utimes(char *, struct timeval *);
65 #endif /* HAVE_UTIMES */
66 
67 #ifndef HAVE_UTIMENSAT
68 /* start with the high bits and work down to minimise risk of overlap */
69 # ifndef AT_SYMLINK_NOFOLLOW
70 #  define AT_SYMLINK_NOFOLLOW 0x80000000
71 # endif
72 int utimensat(int, const char *, const struct timespec[2], int);
73 #endif
74 
75 #ifndef HAVE_TRUNCATE
76 int truncate (const char *, off_t);
77 #endif /* HAVE_TRUNCATE */
78 
79 #if !defined(HAVE_NANOSLEEP) && !defined(HAVE_NSLEEP)
80 #ifndef HAVE_STRUCT_TIMESPEC
81 struct timespec {
82 	time_t	tv_sec;
83 	long	tv_nsec;
84 };
85 #endif
86 int nanosleep(const struct timespec *, struct timespec *);
87 #endif
88 
89 #ifndef HAVE_USLEEP
90 int usleep(unsigned int useconds);
91 #endif
92 
93 #ifndef HAVE_TCGETPGRP
94 pid_t tcgetpgrp(int);
95 #endif
96 
97 #ifndef HAVE_TCSENDBREAK
98 int tcsendbreak(int, int);
99 #endif
100 
101 #ifndef HAVE_UNSETENV
102 int unsetenv(const char *);
103 #endif
104 
105 #ifndef HAVE_ISBLANK
106 int	isblank(int);
107 #endif
108 
109 #ifndef HAVE_GETPGID
110 pid_t getpgid(pid_t);
111 #endif
112 
113 #ifndef HAVE_ENDGRENT
114 # define endgrent() do { } while(0)
115 #endif
116 
117 #ifndef HAVE_KRB5_GET_ERROR_MESSAGE
118 # define krb5_get_error_message krb5_get_err_text
119 #endif
120 
121 #ifndef HAVE_KRB5_FREE_ERROR_MESSAGE
122 # define krb5_free_error_message(a,b) do { } while(0)
123 #endif
124 
125 #ifndef HAVE_PLEDGE
126 int pledge(const char *promises, const char *paths[]);
127 #endif
128 
129 /* bsd-err.h */
130 #ifndef HAVE_ERR
131 void err(int, const char *, ...) __attribute__((format(printf, 2, 3)));
132 #endif
133 #ifndef HAVE_ERRX
134 void errx(int, const char *, ...) __attribute__((format(printf, 2, 3)));
135 #endif
136 #ifndef HAVE_WARN
137 void warn(const char *, ...) __attribute__((format(printf, 1, 2)));
138 #endif
139 
140 #ifndef HAVE_LLABS
141 long long llabs(long long);
142 #endif
143 
144 #if defined(HAVE_DECL_BZERO) && HAVE_DECL_BZERO == 0
145 void bzero(void *, size_t);
146 #endif
147 
148 #ifndef HAVE_RAISE
149 int raise(int);
150 #endif
151 
152 #ifndef HAVE_GETSID
153 pid_t getsid(pid_t);
154 #endif
155 
156 #ifndef HAVE_FLOCK
157 # define LOCK_SH		0x01
158 # define LOCK_EX		0x02
159 # define LOCK_NB		0x04
160 # define LOCK_UN		0x08
161 int flock(int, int);
162 #endif
163 
164 #ifdef FFLUSH_NULL_BUG
165 # define fflush(x)	(_ssh_compat_fflush(x))
166 #endif
167 
168 #endif /* _BSD_MISC_H */
169