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