#include <TargetConditionals.h>
#include <stdbool.h>
#include <strings.h>
#include <unistd.h>
#include "_libkernel_init.h"
extern int mach_init(void);
#if TARGET_OS_OSX
#if !defined(__i386__)
#include "system-version-compat-support.h"
#include <sys/sysctl.h>
extern bool _system_version_compat_check_path_suffix(const char *orig_path);
extern int _system_version_compat_open_shim(int opened_fd, int openat_fd, const char *orig_path, int oflag, mode_t mode,
int (*close_syscall)(int), int (*open_syscall)(const char *, int, mode_t),
int (*openat_syscall)(int, const char *, int, mode_t),
int (*fcntl_syscall)(int, int, long));
extern bool (*system_version_compat_check_path_suffix)(const char *orig_path);
extern int (*system_version_compat_open_shim)(int opened_fd, int openat_fd, const char *orig_path, int oflag, mode_t mode,
int (*close_syscall)(int), int (*open_syscall)(const char *, int, mode_t),
int (*openat_syscall)(int, const char *, int, mode_t),
int (*fcntl_syscall)(int, int, long));
extern system_version_compat_mode_t system_version_compat_mode;
int __sysctlbyname(const char *name, size_t namelen, void *oldp, size_t *oldlenp, void *newp, size_t newlen);
#endif
__attribute__((visibility("default")))
extern bool _os_xbs_chrooted;
bool _os_xbs_chrooted;
#endif
void* (*_dlsym)(void*, const char*) __attribute__((visibility("hidden")));
__attribute__((visibility("hidden")))
_libkernel_functions_t _libkernel_functions;
void
__libkernel_init(_libkernel_functions_t fns,
const char *envp[] __attribute__((unused)),
const char *apple[] __attribute__((unused)),
const struct ProgramVars *vars __attribute__((unused)))
{
_libkernel_functions = fns;
if (fns->dlsym) {
_dlsym = fns->dlsym;
}
mach_init();
}
void
__libkernel_init_late(_libkernel_late_init_config_t config)
{
if (config->version >= 1) {
#if TARGET_OS_OSX && !defined(__i386__)
if (config->enable_system_version_compat) {
system_version_compat_check_path_suffix = _system_version_compat_check_path_suffix;
system_version_compat_open_shim = _system_version_compat_open_shim;
system_version_compat_mode = SYSTEM_VERSION_COMPAT_MODE_MACOSX;
int enable = 1;
__sysctlbyname("kern.system_version_compat", strlen("kern.system_version_compat"),
NULL, NULL, &enable, sizeof(enable));
} else if ((config->version >= 2) && config->enable_ios_version_compat) {
system_version_compat_check_path_suffix = _system_version_compat_check_path_suffix;
system_version_compat_open_shim = _system_version_compat_open_shim;
system_version_compat_mode = SYSTEM_VERSION_COMPAT_MODE_IOS;
}
#endif
}
}