1 /* $Id: openbsd-compat.h,v 1.50 2010/08/16 03:15:23 dtucker Exp $ */
2 
3 /*
4  * Copyright (c) 1999-2003 Damien Miller.  All rights reserved.
5  * Copyright (c) 2003 Ben Lindstrom. All rights reserved.
6  * Copyright (c) 2002 Tim Rice.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef _OPENBSD_COMPAT_H
30 #define _OPENBSD_COMPAT_H
31 
32 #include "includes.h"
33 
34 #include <sys/types.h>
35 #include <pwd.h>
36 
37 #include <sys/socket.h>
38 
39 /* OpenBSD function replacements */
40 #include "base64.h"
41 #include "sigact.h"
42 #include "glob.h"
43 #include "readpassphrase.h"
44 #include "vis.h"
45 #include "getrrsetbyname.h"
46 #include "sha2.h"
47 
48 #ifndef HAVE_BASENAME
49 char *basename(const char *path);
50 #endif
51 
52 #ifndef HAVE_BINDRESVPORT_SA
53 int bindresvport_sa(int sd, struct sockaddr *sa);
54 #endif
55 
56 #ifndef HAVE_CLOSEFROM
57 void closefrom(int);
58 #endif
59 
60 #ifndef HAVE_GETCWD
61 char *getcwd(char *pt, size_t size);
62 #endif
63 
64 #if !defined(HAVE_REALPATH) || defined(BROKEN_REALPATH)
65 char *realpath(const char *path, char *resolved);
66 #endif
67 
68 #ifndef HAVE_RRESVPORT_AF
69 int rresvport_af(int *alport, sa_family_t af);
70 #endif
71 
72 #ifndef HAVE_STRLCPY
73 /* #include <sys/types.h> XXX Still needed? */
74 size_t strlcpy(char *dst, const char *src, size_t siz);
75 #endif
76 
77 #ifndef HAVE_STRLCAT
78 /* #include <sys/types.h> XXX Still needed? */
79 size_t strlcat(char *dst, const char *src, size_t siz);
80 #endif
81 
82 #ifndef HAVE_SETENV
83 int setenv(register const char *name, register const char *value, int rewrite);
84 #endif
85 
86 #ifndef HAVE_STRMODE
87 void strmode(int mode, char *p);
88 #endif
89 
90 #ifndef HAVE_STRPTIME
91 #include  <time.h>
92 char *strptime(const char *buf, const char *fmt, struct tm *tm);
93 #endif
94 
95 #if !defined(HAVE_MKDTEMP) || defined(HAVE_STRICT_MKSTEMP)
96 int mkstemps(char *path, int slen);
97 int mkstemp(char *path);
98 char *mkdtemp(char *path);
99 #endif
100 
101 #ifndef HAVE_DAEMON
102 int daemon(int nochdir, int noclose);
103 #endif
104 
105 #ifndef HAVE_DIRNAME
106 char *dirname(const char *path);
107 #endif
108 
109 #ifndef HAVE_FMT_SCALED
110 #define	FMT_SCALED_STRSIZE	7
111 int	fmt_scaled(long long number, char *result);
112 #endif
113 
114 #if defined(BROKEN_INET_NTOA) || !defined(HAVE_INET_NTOA)
115 char *inet_ntoa(struct in_addr in);
116 #endif
117 
118 #ifndef HAVE_INET_NTOP
119 const char *inet_ntop(int af, const void *src, char *dst, size_t size);
120 #endif
121 
122 #ifndef HAVE_INET_ATON
123 int inet_aton(const char *cp, struct in_addr *addr);
124 #endif
125 
126 #ifndef HAVE_STRSEP
127 char *strsep(char **stringp, const char *delim);
128 #endif
129 
130 #ifndef HAVE_SETPROCTITLE
131 void setproctitle(const char *fmt, ...);
132 void compat_init_setproctitle(int argc, char *argv[]);
133 #endif
134 
135 #ifndef HAVE_GETGROUPLIST
136 /* #include <grp.h> XXXX Still needed ? */
137 int getgrouplist(const char *, gid_t, gid_t *, int *);
138 #endif
139 
140 #if !defined(HAVE_GETOPT) || !defined(HAVE_GETOPT_OPTRESET)
141 int BSDgetopt(int argc, char * const *argv, const char *opts);
142 #endif
143 
144 #if defined(HAVE_DECL_WRITEV) && HAVE_DECL_WRITEV == 0
145 # include <sys/types.h>
146 # include <sys/uio.h>
147 int writev(int, struct iovec *, int);
148 #endif
149 
150 /* Home grown routines */
151 #include "bsd-misc.h"
152 #include "bsd-statvfs.h"
153 #include "bsd-waitpid.h"
154 #include "bsd-poll.h"
155 
156 #ifndef HAVE_GETPEEREID
157 int getpeereid(int , uid_t *, gid_t *);
158 #endif
159 
160 #ifndef HAVE_ARC4RANDOM
161 unsigned int arc4random(void);
162 void arc4random_stir(void);
163 #endif /* !HAVE_ARC4RANDOM */
164 
165 #ifndef HAVE_ARC4RANDOM_BUF
166 void arc4random_buf(void *, size_t);
167 #endif
168 
169 #ifndef HAVE_ARC4RANDOM_UNIFORM
170 u_int32_t arc4random_uniform(u_int32_t);
171 #endif
172 
173 #ifndef HAVE_ASPRINTF
174 int asprintf(char **, const char *, ...);
175 #endif
176 
177 #ifndef HAVE_OPENPTY
178 # include <sys/ioctl.h>	/* for struct winsize */
179 int openpty(int *, int *, char *, struct termios *, struct winsize *);
180 #endif /* HAVE_OPENPTY */
181 
182 /* #include <sys/types.h> XXX needed? For size_t */
183 
184 #ifndef HAVE_SNPRINTF
185 int snprintf(char *, size_t, SNPRINTF_CONST char *, ...);
186 #endif
187 
188 #ifndef HAVE_STRTOLL
189 long long strtoll(const char *, char **, int);
190 #endif
191 
192 #ifndef HAVE_STRTONUM
193 long long strtonum(const char *, long long, long long, const char **);
194 #endif
195 
196 #if !defined(HAVE_VASPRINTF) || !defined(HAVE_VSNPRINTF)
197 # include <stdarg.h>
198 #endif
199 
200 #ifndef HAVE_VASPRINTF
201 int vasprintf(char **, const char *, va_list);
202 #endif
203 
204 #ifndef HAVE_VSNPRINTF
205 int vsnprintf(char *, size_t, const char *, va_list);
206 #endif
207 
208 #ifndef HAVE_USER_FROM_UID
209 char *user_from_uid(uid_t, int);
210 #endif
211 
212 #ifndef HAVE_GROUP_FROM_GID
213 char *group_from_gid(gid_t, int);
214 #endif
215 
216 void *xmmap(size_t size);
217 char *xcrypt(const char *password, const char *salt);
218 char *shadow_pw(struct passwd *pw);
219 
220 /* rfc2553 socket API replacements */
221 #include "fake-rfc2553.h"
222 
223 /* Routines for a single OS platform */
224 #include "bsd-cray.h"
225 #include "bsd-cygwin_util.h"
226 
227 #include "port-aix.h"
228 #include "port-irix.h"
229 #include "port-linux.h"
230 #include "port-solaris.h"
231 #include "port-tun.h"
232 #include "port-uw.h"
233 
234 #endif /* _OPENBSD_COMPAT_H */
235