HOOK_DEF(void*, dlopen, const char *filename, int flag) {
const char *redirect_path = match_redirected_path(filename);
void *ret = orig_dlopen(redirect_path, flag);
onSoLoaded(filename, ret);
LOGD("dlopen : %s, return : %p.", redirect_path, ret);
FREE(redirect_path, filename);
return ret;
}
/*-----------------------------------------------------------------------------
dlopen - interposer func
-----------------------------------------------------------------------------*/
void * dlopen(const char *pathname, int mode)
{
if (!orig_dlopen)
orig_dlopen = (void* (*)(const char*, int))dlsym(RTLD_NEXT, "dlopen");
// printf("dlopen: %s\n", pathname);
void* result = orig_dlopen(pathname, mode);
if (!no_recurse)
mvee_refresh_hook_lists();
return result;
}
void *
dlopen(const char *filename, int flags)
{
void *(*orig_dlopen)(const char *, int);
void *handle = NULL;
orig_dlopen = _env_dump_resolve_symbol_by_name("dlopen");
handle = orig_dlopen(filename, flags);
if (!_env_ignored)
_dlopen_check_result(handle, filename, flags);
return handle;
}
static int
libcrypto_resolve_symbols()
{
void *(*orig_dlopen)(const char *, int);
if (handle_libcrypto == NULL) {
orig_dlopen = _env_dump_resolve_symbol_by_name("dlopen");
/* Open a local version of the libcrypto */
handle_libcrypto = orig_dlopen("libcrypto.so",
RTLD_LOCAL | RTLD_LAZY);
if (handle_libcrypto)
SHA1_local = dlsym(handle_libcrypto, "SHA1");
}
return !handle_libcrypto && !SHA1_local;
}
void *
_env_dump_resolve_local_symbol_by_name(const char *symbol)
{
static void *(*orig_dlsym)(void *, const char *);
static void *handle_env_dump;
if (orig_dlsym == NULL)
orig_dlsym = _dl_sym(RTLD_NEXT, "dlsym", dlsym);
if (handle_env_dump == NULL ) {
void *(*orig_dlopen)(const char *, int);
char *fullpath = find_Linked_library("env_dump.so");
orig_dlopen = _dl_sym(RTLD_NEXT, "dlopen", dlsym);
handle_env_dump = orig_dlopen(fullpath, RTLD_LAZY);
free(fullpath);
}
return orig_dlsym(handle_env_dump, symbol);
}
