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