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/*
* Copyright (c) 2023 Thomas Adam <thomas@xteddy.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _GOT_COMPAT_H_2
#define _GOT_COMPAT_H_2
#ifdef HAVE_STDINT_H
#include <stdint.h>
#else
#include <inttypes.h>
#endif
#include <limits.h>
#include <sys/uio.h>
#if defined(__FreeBSD__)
#include <sys/endian.h>
#include <sys/capsicum.h>
#elif defined(__APPLE__)
#include <machine/endian.h>
#include <libkern/OSByteOrder.h>
#include "compat/bsd-poll.h"
#define FMT_SCALED_STRSIZE 7 /* minus sign, 4 digits, suffix, null byte */
#define htobe16(x) OSSwapHostToBigInt16(x)
#define htole16(x) OSSwapHostToLittleInt16(x)
#define be16toh(x) OSSwapBigToHostInt16(x)
#define le16toh(x) OSSwapLittleToHostInt16(x)
#define htobe32(x) OSSwapHostToBigInt32(x)
#define htole32(x) OSSwapHostToLittleInt32(x)
#define be32toh(x) OSSwapBigToHostInt32(x)
#define le32toh(x) OSSwapLittleToHostInt32(x)
#define htobe64(x) OSSwapHostToBigInt64(x)
#define htole64(x) OSSwapHostToLittleInt64(x)
#define be64toh(x) OSSwapBigToHostInt64(x)
#define le64toh(x) OSSwapLittleToHostInt64(x)
#define st_atim st_atimespec
#define st_ctim st_ctimespec
#define st_mtim st_mtimespec
#else /* Linux, etc... */
#include <endian.h>
#include <grp.h>
#include <stdlib.h>
#endif
#ifndef __GNUC__
#define __attribute__(a)
#endif
#ifndef _PW_NAME_LEN
#define _PW_NAME_LEN 31 /* max length, not counting NUL */
#endif
#ifndef UID_MAX
# define UID_MAX UINT_MAX /* max value for a uid_t */
#endif
#ifndef GID_MAX
# define GID_MAX UINT_MAX /* max value for a gid_t */
#endif
/* For flock. */
#ifndef O_EXLOCK
#define O_EXLOCK 0
#endif
#ifndef HAVE_FLOCK
#define LOCK_SH 0
#define LOCK_EX 0
#define LOCK_NB 0
#define flock(fd, op) (0)
#else
#include <sys/file.h>
#endif
/* POSIX doesn't define WAIT_ANY, so provide it if it's not found. */
#ifndef WAIT_ANY
#define WAIT_ANY (-1)
#endif
/* On FreeBSD (and possibly others), EAI_NODATA was removed, in favour of
* using EAI_NONAME.
*/
#ifndef EAI_NODATA
#define EAI_NODATA EAI_NONAME
#endif
#ifndef __dead
#define __dead __attribute__ ((__noreturn__))
#endif
#ifndef __unused
#define __unused __attribute__ ((__unused__))
#endif
#if !defined(__bounded__) && !defined(__OpenBSD__)
#define __bounded__(a, b, c)
#endif
#ifndef __OpenBSD__
#define pledge(s, p) (0)
#define unveil(s, p) (0)
#endif
#ifndef __FreeBSD__
#define cap_enter() (0)
#endif
#ifndef HAVE_B64_NTOP
#undef b64_ntop
#undef b64_pton
int b64_ntop(u_char const *, size_t, char *, size_t);
int b64_pton(char const *, u_char *, size_t);
#endif
#ifndef HAVE_SETRESGID
#define setresgid(a, b, c) (0)
#endif
#ifndef HAVE_SETRESUID
#define setresuid(a, b, c) (0)
#endif
#ifndef HAVE_LINUX_LANDLOCK_H
#define landlock_no_fs() (0)
#else
int landlock_no_fs(void);
#endif
#ifndef INFTIM
#define INFTIM -1
#endif
#ifndef HAVE_BSD_UUID
#include <uuid/uuid.h>
#define uuid_s_ok 0
#define uuid_s_bad_version 1
#define uuid_s_invalid_string_uuid 2
#define uuid_s_no_memory 3
/* Length of a node address (an IEEE 802 address). */
#define _UUID_NODE_LEN 6
struct uuid {
uint32_t time_low;
uint16_t time_mid;
uint16_t time_hi_and_version;
uint8_t clock_seq_hi_and_reserved;
uint8_t clock_seq_low;
uint8_t node[_UUID_NODE_LEN];
};
int32_t uuid_equal(struct uuid *, struct uuid *, uint32_t *);
int32_t uuid_is_nil(struct uuid *, uint32_t *);
void uuid_create(uuid_t *, uint32_t *);
void uuid_create_nil(struct uuid *, uint32_t *);
void uuid_from_string(const char *, uuid_t *, uint32_t *);
void uuid_to_string(uuid_t *, char **, uint32_t *);
#else
#include <uuid.h>
#endif
#ifdef HAVE_QUEUE_H
#include <sys/queue.h>
#endif
#ifndef HAVE_TREE_H
#include "compat/tree.h"
#else
#include <sys/tree.h>
#endif
#ifdef HAVE_UTIL_H
#include <util.h>
#endif
#ifdef HAVE_LIBUTIL_H
#include <libutil.h>
#endif
#ifndef IOV_MAX
# define IOV_MAX 1024
#endif
#ifndef HAVE_IMSG
#include "compat/imsg.h"
#else
#include <imsg.h>
#endif
#ifndef HAVE_SIPHASH
#include "compat/siphash.h"
#else
#include <siphash.h>
#endif
/* Include Apple-specific headers. Mostly for crypto.*/
#if defined(__APPLE__)
#define COMMON_DIGEST_FOR_OPENSSL
#include <CommonCrypto/CommonDigest.h>
#endif
#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__NetBSD__)
#define SHA256Init SHA256_Init
#define SHA256Update SHA256_Update
#define SHA256Final SHA256_Final
#define SHA2_CTX SHA256_CTX
#endif
#ifndef __APPLE__
#ifdef HAVE_SHA_H
# include <sha.h>
#endif
#ifdef HAVE_SHA1_H
# include <sha1.h>
#endif
#ifdef HAVE_SHA2_H
# include <sha2.h>
#endif
#ifdef HAVE_SHA256_H
# include <sha256.h>
#endif
#endif
/* Catch-all for systems where the header files don't exist and/or the below
* still are not defined.
*/
#ifndef SHA256_DIGEST_LENGTH
#define SHA256_DIGEST_LENGTH 32
#endif
#ifndef SHA256_DIGEST_STRING_LENGTH
#define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1)
#endif
#if defined(__DragonFly__)
#include <openssl/sha.h>
#endif
#ifndef SHA1_DIGEST_LENGTH
#define SHA1_DIGEST_LENGTH SHA_DIGEST_LENGTH
#define SHA1_DIGEST_STRING_LENGTH (SHA1_DIGEST_LENGTH * 2 + 1)
#define SHA1_CTX SHA_CTX
#define SHA1Init SHA1_Init
#define SHA1Update SHA1_Update
#define SHA1Final SHA1_Final
#endif
/* SOCK_NONBLOCK isn't available across BSDs... */
#if !defined(SOCK_NONBLOCK) && !defined(__linux__)
#define SOCK_NONBLOCK 00004000
#endif
#ifndef HAVE_ASPRINTF
/* asprintf.c */
int asprintf(char **, const char *, ...);
int vasprintf(char **, const char *, va_list);
#endif
#ifndef HAVE_EXPLICIT_BZERO
/* explicit_bzero.c */
void explicit_bzero(void *, size_t);
#endif
#ifndef HAVE_GETDTABLECOUNT
/* getdtablecount.c */
int getdtablecount(void);
#endif
#ifndef HAVE_CLOSEFROM
/* closefrom.c */
void closefrom(int);
#endif
#ifndef HAVE_STRSEP
/* strsep.c */
char *strsep(char **, const char *);
#endif
#ifndef HAVE_STRTONUM
/* strtonum.c */
long long strtonum(const char *, long long, long long, const char **);
#endif
#ifndef HAVE_STRLCPY
/* strlcpy.c */
size_t strlcpy(char *, const char *, size_t);
#endif
#ifndef HAVE_STRLCAT
/* strlcat.c */
size_t strlcat(char *, const char *, size_t);
#endif
#ifndef HAVE_STRNLEN
/* strnlen.c */
size_t strnlen(const char *, size_t);
#endif
#ifndef HAVE_STRNDUP
/* strndup.c */
char *strndup(const char *, size_t);
#endif
#ifndef HAVE_GETPROGNAME
/* getprogname.c */
const char *getprogname(void);
#endif
#ifndef HAVE_GETLINE
/* getline.c */
ssize_t getline(char **, size_t *, FILE *);
#endif
#ifndef HAVE_FREEZERO
/* freezero.c */
void freezero(void *, size_t);
#endif
#ifndef HAVE_GETDTABLECOUNT
/* getdtablecount.c */
int getdtablecount(void);
#endif
#ifndef HAVE_REALLOCARRAY
/* reallocarray.c */
void *reallocarray(void *, size_t, size_t);
#endif
#ifndef HAVE_RECALLOCARRAY
/* recallocarray.c */
void *recallocarray(void *, size_t, size_t, size_t);
#endif
#ifndef HAVE_SETPROCTITLE
/* setproctitle.c */
void setproctitle(const char *, ...);
#endif
#ifndef HAVE_FMT_SCALED
/* fmt_scaled.c */
int fmt_scaled(long long, char *);
int scan_scaled(char *, long long *);
#define FMT_SCALED_STRSIZE 7 /* minus sign, 4 digits, suffix, null byte */
#endif
#if !defined(HAVE_LIBBSD) && !defined(HAVE_GETOPT_OPTRESET)
/* getopt.c */
extern int BSDopterr;
extern int BSDoptind;
extern int BSDoptopt;
extern int BSDoptreset;
extern char *BSDoptarg;
int BSDgetopt(int, char *const *, const char *);
#define getopt(ac, av, o) BSDgetopt(ac, av, o)
#define opterr BSDopterr
#define optind BSDoptind
#define optopt BSDoptopt
#define optreset BSDoptreset
#define optarg BSDoptarg
#endif
/* Check for some of the non-portable timespec*() functions.
* This should largely come from libbsd for systems which
* aren't BSD, but this will depend on how old the library
* is.
*/
#ifndef timespecisset
#define timespecisset(tsp) \
((tsp)->tv_sec || (tsp)->tv_nsec)
#endif
#ifndef timespecsub
#define timespecsub(tsp, usp, vsp) \
do { \
(vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec; \
(vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec; \
if ((vsp)->tv_nsec < 0) { \
(vsp)->tv_sec--; \
(vsp)->tv_nsec += 1000000000L; \
} \
} while (0)
#endif
#ifndef timespeccmp
#define timespeccmp(tvp, uvp, cmp) \
(((tvp)->tv_sec == (uvp)->tv_sec) ? \
((tvp)->tv_nsec cmp (uvp)->tv_nsec) : \
((tvp)->tv_sec cmp (uvp)->tv_sec))
#endif
#ifndef HAVE_MERGESORT
/* mergesort.c */
int mergesort(void *, size_t, size_t, int (*)(const void *, const void *));
#endif
#endif
/* got_object.h */
#define GOT_OBJECT_ID_MAXLEN SHA256_DIGEST_LENGTH
#define GOT_OBJECT_ID_HEX_MAXLEN SHA256_DIGEST_STRING_LENGTH
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