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 __OpenBSD__
74 #define pledge(s, p) (0)
75 #define unveil(s, p) (0)
76 #endif
77 
78 #ifndef __FreeBSD__
79 #define cap_enter() (0)
80 #endif
81 
82 #ifndef HAVE_LINUX_LANDLOCK_H
83 #define landlock_no_fs() (0)
84 #else
85 int	landlock_no_fs(void);
86 #endif
87 
88 #ifndef INFTIM
89 #define INFTIM -1
90 #endif
91 
92 #ifndef HAVE_BSD_UUID
93 #include <uuid/uuid.h>
94 #define uuid_s_ok 0
95 #define uuid_s_bad_version  1
96 #define uuid_s_invalid_string_uuid 2
97 #define uuid_s_no_memory  3
98 
99 /* Length of a node address (an IEEE 802 address). */
100 #define _UUID_NODE_LEN  6
101 
102 struct uuid {
103 	uint32_t time_low;
104 	uint16_t time_mid;
105 	uint16_t time_hi_and_version;
106 	uint8_t  clock_seq_hi_and_reserved;
107 	uint8_t  clock_seq_low;
108 	uint8_t  node[_UUID_NODE_LEN];
109 };
110 
111 int32_t uuid_equal(struct uuid *, struct uuid *, uint32_t *);
112 int32_t uuid_is_nil(struct uuid *, uint32_t *);
113 void uuid_create(uuid_t *, uint32_t *);
114 void uuid_create_nil(struct uuid *, uint32_t *);
115 void uuid_from_string(const char *, uuid_t *, uint32_t *);
116 void uuid_to_string(uuid_t *, char **, uint32_t *);
117 #else
118 #include <uuid.h>
119 #endif
120 
121 #ifdef HAVE_STDINT_H
122 #include <stdint.h>
123 #else
124 #include <inttypes.h>
125 #endif
126 
127 #ifdef HAVE_QUEUE_H
128 #include <sys/queue.h>
129 #else
130 #include "compat/queue.h"
131 #endif
132 
133 #ifdef HAVE_TREE_H
134 #include <sys/tree.h>
135 #else
136 #include "compat/tree.h"
137 #endif
138 
139 #ifdef HAVE_UTIL_H
140 #include <util.h>
141 #endif
142 
143 #ifdef HAVE_LIBUTIL_H
144 #include <libutil.h>
145 #endif
146 
147 #ifdef HAVE_IMSG
148 #else
149 #include "compat/imsg.h"
150 #endif
151 
152 #ifdef HAVE_SIPHASH
153 #include <siphash.h>
154 #else
155 #include "compat/siphash.h"
156 #endif
157 
158 /* Include Apple-specific headers.  Mostly for crypto.*/
159 #if defined(__APPLE__)
160 #define COMMON_DIGEST_FOR_OPENSSL
161 #include <CommonCrypto/CommonDigest.h>
162 #endif
163 
164 #if defined(HAVE_LIBCRYPTO) && !defined(__APPLE__) && !defined(__DragonFly__)
165 #include <sha1.h>
166 #elif !defined(__APPLE__) && !defined(__DragonFly__)
167 #include <sha.h>
168 #elif defined(__DragonFly__)
169 #include <openssl/sha.h>
170 #endif
171 
172 #if !defined(HAVE_LIBCRYPTO) || defined(__APPLE__) || defined(__DragonFly__)
173 #define SHA1_DIGEST_LENGTH		SHA_DIGEST_LENGTH
174 #define SHA1_DIGEST_STRING_LENGTH	(SHA1_DIGEST_LENGTH * 2 + 1)
175 
176 #define SHA1_CTX	SHA_CTX
177 #define SHA1Init	SHA1_Init
178 #define SHA1Update	SHA1_Update
179 #define SHA1Final	SHA1_Final
180 #endif
181 
182 #ifndef HAVE_ASPRINTF
183 /* asprintf.c */
184 int		 asprintf(char **, const char *, ...);
185 int		 vasprintf(char **, const char *, va_list);
186 #endif
187 
188 #ifndef HAVE_EXPLICIT_BZERO
189 /* explicit_bzero.c */
190 void		 explicit_bzero(void *, size_t);
191 #endif
192 
193 #ifndef HAVE_GETDTABLECOUNT
194 /* getdtablecount.c */
195 int		 getdtablecount(void);
196 #endif
197 
198 #ifndef HAVE_CLOSEFROM
199 /* closefrom.c */
200 void		 closefrom(int);
201 #endif
202 
203 #if defined (__FreeBSD__)
204 #define closefrom(fd) (closefrom(fd), 0)
205 #endif
206 
207 #ifndef HAVE_STRSEP
208 /* strsep.c */
209 char		*strsep(char **, const char *);
210 #endif
211 
212 #ifndef HAVE_STRTONUM
213 /* strtonum.c */
214 long long	 strtonum(const char *, long long, long long, const char **);
215 #endif
216 
217 #ifndef HAVE_STRLCPY
218 /* strlcpy.c */
219 size_t	 	 strlcpy(char *, const char *, size_t);
220 #endif
221 
222 #ifndef HAVE_STRLCAT
223 /* strlcat.c */
224 size_t	 	 strlcat(char *, const char *, size_t);
225 #endif
226 
227 #ifndef HAVE_STRNLEN
228 /* strnlen.c */
229 size_t		 strnlen(const char *, size_t);
230 #endif
231 
232 #ifndef HAVE_STRNDUP
233 /* strndup.c */
234 char		*strndup(const char *, size_t);
235 #endif
236 
237 #ifndef HAVE_GETPROGNAME
238 /* getprogname.c */
239 const char	*getprogname(void);
240 #endif
241 
242 #ifndef HAVE_GETLINE
243 /* getline.c */
244 ssize_t		 getline(char **, size_t *, FILE *);
245 #endif
246 
247 #ifndef HAVE_FREEZERO
248 /* freezero.c */
249 void		 freezero(void *, size_t);
250 #endif
251 
252 #ifndef HAVE_GETDTABLECOUNT
253 /* getdtablecount.c */
254 int		 getdtablecount(void);
255 #endif
256 
257 #ifndef HAVE_REALLOCARRAY
258 /* reallocarray.c */
259 void		*reallocarray(void *, size_t, size_t);
260 #endif
261 
262 #ifndef HAVE_RECALLOCARRAY
263 /* recallocarray.c */
264 void		*recallocarray(void *, size_t, size_t, size_t);
265 #endif
266 
267 #ifndef HAVE_FMT_SCALED
268 /* fmt_scaled.c */
269 int fmt_scaled(long long, char *);
270 int scan_scaled(char *, long long *);
271 #define FMT_SCALED_STRSIZE	7  /* minus sign, 4 digits, suffix, null byte */
272 #endif
273 
274 #ifndef HAVE_LIBBSD
275 /* getopt.c */
276 extern int	BSDopterr;
277 extern int	BSDoptind;
278 extern int	BSDoptopt;
279 extern int	BSDoptreset;
280 extern char    *BSDoptarg;
281 int	BSDgetopt(int, char *const *, const char *);
282 #define getopt(ac, av, o)  BSDgetopt(ac, av, o)
283 #define opterr             BSDopterr
284 #define optind             BSDoptind
285 #define optopt             BSDoptopt
286 #define optreset           BSDoptreset
287 #define optarg             BSDoptarg
288 #endif
289 #endif
290 
291 /* Check for some of the non-portable timespec*() functions.
292  * This should largely come from libbsd for systems which
293  * aren't BSD, but this will depend on how old the library
294  * is.
295  */
296 #ifndef timespecisset
297 #define	timespecisset(tsp) \
298 	((tsp)->tv_sec || (tsp)->tv_nsec)
299 #endif
300 
301 #ifndef timespecsub
302 #define	timespecsub(tsp, usp, vsp)					\
303 	do {								\
304 		(vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec;		\
305 		(vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec;	\
306 		if ((vsp)->tv_nsec < 0) {				\
307 			(vsp)->tv_sec--;				\
308 			(vsp)->tv_nsec += 1000000000L;			\
309 		}							\
310 	} while (0)
311 #endif
312 
313 #ifndef timespeccmp
314 #define timespeccmp(tvp, uvp, cmp) 					\
315 (((tvp)->tv_sec == (uvp)->tv_sec) ? 					\
316 	((tvp)->tv_nsec cmp (uvp)->tv_nsec) : 				\
317 	((tvp)->tv_sec cmp (uvp)->tv_sec))
318 #endif
319 
320 #ifndef HAVE_BSD_MERGESORT
321 /* mergesort.c */
322 int mergesort(void *, size_t, size_t, int (*)(const void *, const void *));
323 #endif