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 AT_FDCWD
68 # define AT_FDCWD (-2)
69 #endif
70 
71 #ifndef HAVE_FCHMODAT
72 int fchmodat(int, const char *, mode_t, int);
73 #endif
74 
75 #ifndef HAVE_FCHOWNAT
76 int fchownat(int, const char *, uid_t, gid_t, int);
77 #endif
78 
79 #ifndef HAVE_TRUNCATE
80 int truncate (const char *, off_t);
81 #endif /* HAVE_TRUNCATE */
82 
83 #ifndef HAVE_STRUCT_TIMESPEC
84 struct timespec {
85 	time_t	tv_sec;
86 	long	tv_nsec;
87 };
88 
89 #if !defined(HAVE_NANOSLEEP) && !defined(HAVE_NSLEEP)
90 int nanosleep(const struct timespec *, struct timespec *);
91 #endif
92 
93 #ifndef HAVE_UTIMENSAT
94 /* start with the high bits and work down to minimise risk of overlap */
95 # ifndef AT_SYMLINK_NOFOLLOW
96 #  define AT_SYMLINK_NOFOLLOW 0x80000000
97 # endif
98 int utimensat(int, const char *, const struct timespec[2], int);
99 #endif /* !HAVE_UTIMENSAT */
100 
101 #endif /* !HAVE_STRUCT_TIMESPEC */
102 
103 #ifndef HAVE_USLEEP
104 int usleep(unsigned int useconds);
105 #endif
106 
107 #ifndef HAVE_TCGETPGRP
108 pid_t tcgetpgrp(int);
109 #endif
110 
111 #ifndef HAVE_TCSENDBREAK
112 int tcsendbreak(int, int);
113 #endif
114 
115 #ifndef HAVE_UNSETENV
116 int unsetenv(const char *);
117 #endif
118 
119 #ifndef HAVE_ISBLANK
120 int	isblank(int);
121 #endif
122 
123 #ifndef HAVE_GETPGID
124 pid_t getpgid(pid_t);
125 #endif
126 
127 #ifndef HAVE_ENDGRENT
128 # define endgrent() do { } while(0)
129 #endif
130 
131 #ifndef HAVE_KRB5_GET_ERROR_MESSAGE
132 # define krb5_get_error_message krb5_get_err_text
133 #endif
134 
135 #ifndef HAVE_KRB5_FREE_ERROR_MESSAGE
136 # define krb5_free_error_message(a,b) do { } while(0)
137 #endif
138 
139 #ifndef HAVE_PLEDGE
140 int pledge(const char *promises, const char *paths[]);
141 #endif
142 
143 /* bsd-err.h */
144 #ifndef HAVE_ERR
145 void err(int, const char *, ...) __attribute__((format(printf, 2, 3)));
146 #endif
147 #ifndef HAVE_ERRX
148 void errx(int, const char *, ...) __attribute__((format(printf, 2, 3)));
149 #endif
150 #ifndef HAVE_WARN
151 void warn(const char *, ...) __attribute__((format(printf, 1, 2)));
152 #endif
153 
154 #ifndef HAVE_LLABS
155 long long llabs(long long);
156 #endif
157 
158 #if defined(HAVE_DECL_BZERO) && HAVE_DECL_BZERO == 0
159 void bzero(void *, size_t);
160 #endif
161 
162 #ifndef HAVE_RAISE
163 int raise(int);
164 #endif
165 
166 #ifndef HAVE_GETSID
167 pid_t getsid(pid_t);
168 #endif
169 
170 #ifndef HAVE_FLOCK
171 # define LOCK_SH		0x01
172 # define LOCK_EX		0x02
173 # define LOCK_NB		0x04
174 # define LOCK_UN		0x08
175 int flock(int, int);
176 #endif
177 
178 #ifdef FFLUSH_NULL_BUG
179 # define fflush(x)	(_ssh_compat_fflush(x))
180 #endif
181 
182 #endif /* _BSD_MISC_H */
183