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fix iOS 13 palera1n-ios

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This commit is contained in:
Nick Chan committed 2023-02-20 20:00:33 +08:00
1 parent f519162c61
commit 01bcc332cb
6 files changed
+147 -4
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src/exec_checkra1n.c
+52
View File
@@ -11,9 +11,15 @@
#include <errno.h>
#include <limits.h>
#include <assert.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <sys/utsname.h>
#if defined(__APPLE__)
#include <TargetConditionals.h>
#endif
extern char **environ;
@@ -53,6 +59,43 @@ int exec_checkra1n() {
unlink(checkra1n_path);
return -1;
}
#if defined(__APPLE__) && (TARGET_OS_IPHONE || defined(DEV_BUILD))
char* libcheckra1nhelper_dylib_path = NULL;
{
struct utsname name;
uname(&name);
unsigned long darwinMajor = strtoul(name.release, NULL, 10);
assert(darwinMajor != 0);
#if !defined(DEV_BUILD)
if (darwinMajor < 20) {
#endif
libcheckra1nhelper_dylib_path = malloc(strlen(tmpdir) + 40);
snprintf(libcheckra1nhelper_dylib_path, strlen(tmpdir) + 40, "%s/libcheckra1nhelper.dylib.XXXXXX", tmpdir);
int helper_fd = mkstemp(libcheckra1nhelper_dylib_path);
if (helper_fd == -1) {
LOG(LOG_FATAL, "Cannot open temporary file: %d (%s)", errno, strerror(errno));
return -1;
}
ssize_t didWrite = write(helper_fd, libcheckra1nhelper_dylib, libcheckra1nhelper_dylib_len);
if ((unsigned int)didWrite != libcheckra1nhelper_dylib_len) {
LOG(LOG_FATAL, "Size written does not match expected: %lld != %d: %d (%s)", didWrite, libcheckra1nhelper_dylib_len, errno, strerror(errno));
close(helper_fd);
unlink(libcheckra1nhelper_dylib_path);
return -1;
}
close(helper_fd);
ret = chmod(libcheckra1nhelper_dylib_path, 0700);
if (ret) {
LOG(LOG_FATAL, "Cannot chmod %s: %d (%s)", libcheckra1nhelper_dylib_path, errno, strerror(errno));
unlink(libcheckra1nhelper_dylib_path);
return -1;
}
setenv("DYLD_INSERT_LIBRARIES", libcheckra1nhelper_dylib_path, 1);
#if !defined(DEV_BUILD)
}
#endif
}
#endif
checkra1n_exec: {};
char args[0x10] = "-pE";
if (checkrain_option_enabled(host_flags, host_option_demote)) strncat(args, "d", 0xf);
@@ -80,6 +123,15 @@ checkra1n_exec: {};
free(checkra1n_path);
checkra1n_path = NULL;
}
#if defined(__APPLE__) && (TARGET_OS_IPHONE || defined(DEV_BUILD))
if (libcheckra1nhelper_dylib_path != NULL) {
unlink(libcheckra1nhelper_dylib_path);
unsetenv("DYLD_INSERT_LIBRARIES");
unsetenv("DYLD_FORCE_FLAT_NAMESPACE");
free(libcheckra1nhelper_dylib_path);
libcheckra1nhelper_dylib_path = NULL;
}
#endif
waitpid(pid, NULL, 0);
return 0;
}