1 #ifndef _GOT_COMPAT_H
2 #define _GOT_COMPAT_H
3 
4 #include <sys/types.h>
5 #include <sys/ioctl.h>
6 #include <sys/uio.h>
7 #if defined(__FreeBSD__)
8 #include <sys/endian.h>
9 #include <sys/capsicum.h>
10 #elif defined(__APPLE__)
11 #include <machine/endian.h>
12 #include <libkern/OSByteOrder.h>
13 #include "compat/bsd-poll.h"
14 
15 #define FMT_SCALED_STRSIZE	7  /* minus sign, 4 digits, suffix, null byte */
16 
17 #define htobe16(x) OSSwapHostToBigInt16(x)
18 #define htole16(x) OSSwapHostToLittleInt16(x)
19 #define be16toh(x) OSSwapBigToHostInt16(x)
20 #define le16toh(x) OSSwapLittleToHostInt16(x)
21 
22 #define htobe32(x) OSSwapHostToBigInt32(x)
23 #define htole32(x) OSSwapHostToLittleInt32(x)
24 #define be32toh(x) OSSwapBigToHostInt32(x)
25 #define le32toh(x) OSSwapLittleToHostInt32(x)
26 
27 #define htobe64(x) OSSwapHostToBigInt64(x)
28 #define htole64(x) OSSwapHostToLittleInt64(x)
29 #define be64toh(x) OSSwapBigToHostInt64(x)
30 #define le64toh(x) OSSwapLittleToHostInt64(x)
31 
32 #define st_atim st_atimespec
33 #define st_ctim st_ctimespec
34 #define st_mtim st_mtimespec
35 
36 #else /* Linux, etc... */
37 #include <endian.h>
38 #endif
39 
40 #include <fnmatch.h>
41 #include <limits.h>
42 #include <stdio.h>
43 #include <stdint.h>
44 
45 /* For flock. */
46 #ifndef O_EXLOCK
47 #define O_EXLOCK 0
48 #endif
49 
50 #ifndef HAVE_FLOCK
51 #define LOCK_SH 0
52 #define LOCK_EX 0
53 #define LOCK_NB 0
54 #define flock(fd, op) (0)
55 #else
56 #include <sys/file.h>
57 #endif
58 
59 /* POSIX doesn't define WAIT_ANY, so provide it if it's not found. */
60 #ifndef WAIT_ANY
61 #define WAIT_ANY (-1)
62 #endif
63 
64 /* SOCK_NONBLOCK isn't available across BSDs... */
65 #ifndef SOCK_NONBLOCK
66 #define SOCK_NONBLOCK 00004000
67 #endif
68 
69 #ifndef __dead
70 #define __dead __attribute__ ((__noreturn__))
71 #endif
72 
73 #ifndef __unused
74 #define __unused __attribute__ ((__unused__))
75 #endif
76 
77 #ifndef __OpenBSD__
78 #define pledge(s, p) (0)
79 #define unveil(s, p) (0)
80 #endif
81 
82 #ifndef __FreeBSD__
83 #define cap_enter() (0)
84 #endif
85 
86 #ifndef HAVE_LINUX_LANDLOCK_H
87 #define landlock_no_fs() (0)
88 #else
89 int	landlock_no_fs(void);
90 #endif
91 
92 #ifndef INFTIM
93 #define INFTIM -1
94 #endif
95 
96 #ifndef HAVE_BSD_UUID
97 #include <uuid/uuid.h>
98 #define uuid_s_ok 0
99 #define uuid_s_bad_version  1
100 #define uuid_s_invalid_string_uuid 2
101 #define uuid_s_no_memory  3
102 
103 /* Length of a node address (an IEEE 802 address). */
104 #define _UUID_NODE_LEN  6
105 
106 struct uuid {
107 	uint32_t time_low;
108 	uint16_t time_mid;
109 	uint16_t time_hi_and_version;
110 	uint8_t  clock_seq_hi_and_reserved;
111 	uint8_t  clock_seq_low;
112 	uint8_t  node[_UUID_NODE_LEN];
113 };
114 
115 int32_t uuid_equal(struct uuid *, struct uuid *, uint32_t *);
116 int32_t uuid_is_nil(struct uuid *, uint32_t *);
117 void uuid_create(uuid_t *, uint32_t *);
118 void uuid_create_nil(struct uuid *, uint32_t *);
119 void uuid_from_string(const char *, uuid_t *, uint32_t *);
120 void uuid_to_string(uuid_t *, char **, uint32_t *);
121 #else
122 #include <uuid.h>
123 #endif
124 
125 #ifdef HAVE_STDINT_H
126 #include <stdint.h>
127 #else
128 #include <inttypes.h>
129 #endif
130 
131 #ifdef HAVE_QUEUE_H
132 #include <sys/queue.h>
133 #else
134 #include "compat/queue.h"
135 #endif
136 
137 #ifdef HAVE_TREE_H
138 #include <sys/tree.h>
139 #else
140 #include "compat/tree.h"
141 #endif
142 
143 #ifdef HAVE_UTIL_H
144 #include <util.h>
145 #endif
146 
147 #ifdef HAVE_LIBUTIL_H
148 #include <libutil.h>
149 #endif
150 
151 #ifdef HAVE_IMSG
152 #else
153 #include "compat/imsg.h"
154 #endif
155 
156 #ifdef HAVE_SIPHASH
157 #include <siphash.h>
158 #else
159 #include "compat/siphash.h"
160 #endif
161 
162 /* Include Apple-specific headers.  Mostly for crypto.*/
163 #if defined(__APPLE__)
164 #define COMMON_DIGEST_FOR_OPENSSL
165 #include <CommonCrypto/CommonDigest.h>
166 #endif
167 
168 #if defined(HAVE_LIBCRYPTO) && !defined(__APPLE__) && !defined(__DragonFly__)
169 #include <sha1.h>
170 #elif !defined(__APPLE__) && !defined(__DragonFly__)
171 #include <sha.h>
172 #elif defined(__DragonFly__)
173 #include <openssl/sha.h>
174 #endif
175 
176 #if !defined(HAVE_LIBCRYPTO) || defined(__APPLE__) || defined(__DragonFly__)
177 #define SHA1_DIGEST_LENGTH		SHA_DIGEST_LENGTH
178 #define SHA1_DIGEST_STRING_LENGTH	(SHA1_DIGEST_LENGTH * 2 + 1)
179 
180 #define SHA1_CTX	SHA_CTX
181 #define SHA1Init	SHA1_Init
182 #define SHA1Update	SHA1_Update
183 #define SHA1Final	SHA1_Final
184 #endif
185 
186 #ifndef HAVE_ASPRINTF
187 /* asprintf.c */
188 int		 asprintf(char **, const char *, ...);
189 int		 vasprintf(char **, const char *, va_list);
190 #endif
191 
192 #ifndef HAVE_EXPLICIT_BZERO
193 /* explicit_bzero.c */
194 void		 explicit_bzero(void *, size_t);
195 #endif
196 
197 #ifndef HAVE_GETDTABLECOUNT
198 /* getdtablecount.c */
199 int		 getdtablecount(void);
200 #endif
201 
202 #ifndef HAVE_CLOSEFROM
203 /* closefrom.c */
204 void		 closefrom(int);
205 #endif
206 
207 #if defined (__FreeBSD__)
208 #define closefrom(fd) (closefrom(fd), 0)
209 #endif
210 
211 #ifndef HAVE_STRSEP
212 /* strsep.c */
213 char		*strsep(char **, const char *);
214 #endif
215 
216 #ifndef HAVE_STRTONUM
217 /* strtonum.c */
218 long long	 strtonum(const char *, long long, long long, const char **);
219 #endif
220 
221 #ifndef HAVE_STRLCPY
222 /* strlcpy.c */
223 size_t	 	 strlcpy(char *, const char *, size_t);
224 #endif
225 
226 #ifndef HAVE_STRLCAT
227 /* strlcat.c */
228 size_t	 	 strlcat(char *, const char *, size_t);
229 #endif
230 
231 #ifndef HAVE_STRNLEN
232 /* strnlen.c */
233 size_t		 strnlen(const char *, size_t);
234 #endif
235 
236 #ifndef HAVE_STRNDUP
237 /* strndup.c */
238 char		*strndup(const char *, size_t);
239 #endif
240 
241 #ifndef HAVE_GETPROGNAME
242 /* getprogname.c */
243 const char	*getprogname(void);
244 #endif
245 
246 #ifndef HAVE_GETLINE
247 /* getline.c */
248 ssize_t		 getline(char **, size_t *, FILE *);
249 #endif
250 
251 #ifndef HAVE_FREEZERO
252 /* freezero.c */
253 void		 freezero(void *, size_t);
254 #endif
255 
256 #ifndef HAVE_GETDTABLECOUNT
257 /* getdtablecount.c */
258 int		 getdtablecount(void);
259 #endif
260 
261 #ifndef HAVE_REALLOCARRAY
262 /* reallocarray.c */
263 void		*reallocarray(void *, size_t, size_t);
264 #endif
265 
266 #ifndef HAVE_RECALLOCARRAY
267 /* recallocarray.c */
268 void		*recallocarray(void *, size_t, size_t, size_t);
269 #endif
270 
271 #ifndef HAVE_SETPROCTITLE
272 /* setproctitle.c */
273 void 		 setproctitle(const char *, ...);
274 #endif
275 
276 #ifndef HAVE_FMT_SCALED
277 /* fmt_scaled.c */
278 int fmt_scaled(long long, char *);
279 int scan_scaled(char *, long long *);
280 #define FMT_SCALED_STRSIZE	7  /* minus sign, 4 digits, suffix, null byte */
281 #endif
282 
283 #ifndef HAVE_LIBBSD
284 /* getopt.c */
285 extern int	BSDopterr;
286 extern int	BSDoptind;
287 extern int	BSDoptopt;
288 extern int	BSDoptreset;
289 extern char    *BSDoptarg;
290 int	BSDgetopt(int, char *const *, const char *);
291 #define getopt(ac, av, o)  BSDgetopt(ac, av, o)
292 #define opterr             BSDopterr
293 #define optind             BSDoptind
294 #define optopt             BSDoptopt
295 #define optreset           BSDoptreset
296 #define optarg             BSDoptarg
297 #endif
298 #endif
299 
300 /* Check for some of the non-portable timespec*() functions.
301  * This should largely come from libbsd for systems which
302  * aren't BSD, but this will depend on how old the library
303  * is.
304  */
305 #ifndef timespecisset
306 #define	timespecisset(tsp) \
307 	((tsp)->tv_sec || (tsp)->tv_nsec)
308 #endif
309 
310 #ifndef timespecsub
311 #define	timespecsub(tsp, usp, vsp)					\
312 	do {								\
313 		(vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec;		\
314 		(vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec;	\
315 		if ((vsp)->tv_nsec < 0) {				\
316 			(vsp)->tv_sec--;				\
317 			(vsp)->tv_nsec += 1000000000L;			\
318 		}							\
319 	} while (0)
320 #endif
321 
322 #ifndef timespeccmp
323 #define timespeccmp(tvp, uvp, cmp) 					\
324 (((tvp)->tv_sec == (uvp)->tv_sec) ? 					\
325 	((tvp)->tv_nsec cmp (uvp)->tv_nsec) : 				\
326 	((tvp)->tv_sec cmp (uvp)->tv_sec))
327 #endif
328 
329 #ifndef HAVE_BSD_MERGESORT
330 /* mergesort.c */
331 int mergesort(void *, size_t, size_t, int (*)(const void *, const void *));
332 #endif