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      1 /*
      2  * Copyright 2017-2020 The OpenSSL Project Authors. All Rights Reserved.
      3  *
      4  * Licensed under the Apache License 2.0 (the "License").  You may not use
      5  * this file except in compliance with the License.  You can obtain a copy
      6  * in the file LICENSE in the source distribution or at
      7  * https://www.openssl.org/source/license.html
      8  */
      9 
     10 #include <openssl/ssl.h>
     11 #include <openssl/err.h>
     12 #include "helpers/ssltestlib.h"
     13 #include "testutil.h"
     14 #include <string.h>
     15 
     16 static char *cert = NULL;
     17 static char *privkey = NULL;
     18 
     19 static int test_fatalerr(void)
     20 {
     21     SSL_CTX *sctx = NULL, *cctx = NULL;
     22     SSL *sssl = NULL, *cssl = NULL;
     23     const char *msg = "Dummy";
     24     BIO *wbio = NULL;
     25     int ret = 0, len;
     26     char buf[80];
     27     unsigned char dummyrec[] = {
     28         0x17, 0x03, 0x03, 0x00, 0x05, 'D', 'u', 'm', 'm', 'y'
     29     };
     30 
     31     if (!TEST_true(create_ssl_ctx_pair(NULL, TLS_method(), TLS_method(),
     32             TLS1_VERSION, 0,
     33             &sctx, &cctx, cert, privkey)))
     34         goto err;
     35 
     36     /*
     37      * Deliberately set the cipher lists for client and server to be different
     38      * to force a handshake failure.
     39      */
     40     if (!TEST_true(SSL_CTX_set_cipher_list(sctx, "AES128-SHA"))
     41         || !TEST_true(SSL_CTX_set_cipher_list(cctx, "AES256-SHA"))
     42         || !TEST_true(SSL_CTX_set_ciphersuites(sctx,
     43             "TLS_AES_128_GCM_SHA256"))
     44         || !TEST_true(SSL_CTX_set_ciphersuites(cctx,
     45             "TLS_AES_256_GCM_SHA384"))
     46         || !TEST_true(create_ssl_objects(sctx, cctx, &sssl, &cssl, NULL,
     47             NULL)))
     48         goto err;
     49 
     50     wbio = SSL_get_wbio(cssl);
     51     if (!TEST_ptr(wbio)) {
     52         printf("Unexpected NULL bio received\n");
     53         goto err;
     54     }
     55 
     56     /* Connection should fail */
     57     if (!TEST_false(create_ssl_connection(sssl, cssl, SSL_ERROR_NONE)))
     58         goto err;
     59 
     60     ERR_clear_error();
     61 
     62     /* Inject a plaintext record from client to server */
     63     if (!TEST_int_gt(BIO_write(wbio, dummyrec, sizeof(dummyrec)), 0))
     64         goto err;
     65 
     66     /* SSL_read()/SSL_write should fail because of a previous fatal error */
     67     if (!TEST_int_le(len = SSL_read(sssl, buf, sizeof(buf) - 1), 0)) {
     68         buf[len] = '\0';
     69         TEST_error("Unexpected success reading data: %s\n", buf);
     70         goto err;
     71     }
     72     if (!TEST_int_le(SSL_write(sssl, msg, strlen(msg)), 0))
     73         goto err;
     74 
     75     ret = 1;
     76 err:
     77     SSL_free(sssl);
     78     SSL_free(cssl);
     79     SSL_CTX_free(sctx);
     80     SSL_CTX_free(cctx);
     81 
     82     return ret;
     83 }
     84 
     85 OPT_TEST_DECLARE_USAGE("certfile privkeyfile\n")
     86 
     87 int setup_tests(void)
     88 {
     89     if (!test_skip_common_options()) {
     90         TEST_error("Error parsing test options\n");
     91         return 0;
     92     }
     93 
     94     if (!TEST_ptr(cert = test_get_argument(0))
     95         || !TEST_ptr(privkey = test_get_argument(1)))
     96         return 0;
     97 
     98     ADD_TEST(test_fatalerr);
     99 
    100     return 1;
    101 }
    102