1 /** 2 * Copyright (C) 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #define _GNU_SOURCE 17 #include <sys/types.h> 18 #include <sys/wait.h> 19 #include <openssl/bio.h> 20 #include <openssl/x509.h> 21 #include <openssl/err.h> 22 23 unsigned char bad_bio[] = { 24 0x30, 0x84, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 25 0xff, 0xff 26 }; 27 28 29 X509 *cert; 30 31 int main(void){ 32 unsigned long err = 0; 33 ERR_load_crypto_strings(); 34 BIO *in = BIO_new(BIO_s_mem()); 35 if(in != NULL){ 36 BIO_write(in, bad_bio, sizeof(bad_bio)); 37 cert = d2i_X509_bio(in, NULL); // x509 should be present on all Android systems 38 BIO_free(in); 39 if(cert != NULL){ 40 X509_free(cert); 41 } 42 if((err = ERR_get_error()) 43 == 0x07000041) // malloc error 44 return 113; 45 } 46 } 47