test/cmp_testlib.c

   1 /*
   2  * Copyright 2007-2019 The OpenSSL Project Authors. All Rights Reserved.
   3  * Copyright Nokia 2007-2019
   4  * Copyright Siemens AG 2015-2019
   5  *
   6  * Licensed under the Apache License 2.0 (the "License").  You may not use
   7  * this file except in compliance with the License.  You can obtain a copy
   8  * in the file LICENSE in the source distribution or at
   9  * https://www.openssl.org/source/license.html
  10  */
  11
  12 #include "cmp_testlib.h"
  13 #include <openssl/rsa.h> /* needed in case config no-deprecated */
  14
  15 EVP_PKEY *load_pem_key(const char *file)
  16 {
  17     EVP_PKEY *key = NULL;
  18     BIO *bio = NULL;
  19
  20     if (!TEST_ptr(bio = BIO_new(BIO_s_file())))
  21         return NULL;
  22     if (TEST_int_gt(BIO_read_filename(bio, file), 0))
  23         (void)TEST_ptr(key = PEM_read_bio_PrivateKey(bio, NULL, NULL, NULL));
  24
  25     BIO_free(bio);
  26     return key;
  27 }
  28
  29 X509 *load_pem_cert(const char *file)
  30 {
  31     X509 *cert = NULL;
  32     BIO *bio = NULL;
  33
  34     if (!TEST_ptr(bio = BIO_new(BIO_s_file())))
  35         return NULL;
  36     if (TEST_int_gt(BIO_read_filename(bio, file), 0))
  37         (void)TEST_ptr(cert = PEM_read_bio_X509(bio, NULL, NULL, NULL));
  38
  39     BIO_free(bio);
  40     return cert;
  41 }
  42
  43 X509_REQ *load_csr(const char *file)
  44 {
  45     X509_REQ *csr = NULL;
  46     BIO *bio = NULL;
  47
  48     if (!TEST_ptr(file) || !TEST_ptr(bio = BIO_new_file(file, "rb")))
  49         return NULL;
  50     (void)TEST_ptr(csr = d2i_X509_REQ_bio(bio, NULL));
  51     BIO_free(bio);
  52     return csr;
  53 }
  54
  55 EVP_PKEY *gen_rsa(void)
  56 {
  57     EVP_PKEY_CTX *ctx = NULL;
  58     EVP_PKEY *pkey = NULL;
  59
  60     (void)(TEST_ptr(ctx = EVP_PKEY_CTX_new_id(EVP_PKEY_RSA, NULL))
  61                && TEST_int_gt(EVP_PKEY_keygen_init(ctx), 0)
  62                && TEST_int_gt(EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, 2048), 0)
  63                && TEST_int_gt(EVP_PKEY_keygen(ctx, &pkey), 0));
  64     EVP_PKEY_CTX_free(ctx);
  65     return pkey;
  66 }
  67
  68 /*
  69  * Checks whether the syntax of msg conforms to ASN.1
  70  */
  71 int valid_asn1_encoding(const OSSL_CMP_MSG *msg)
  72 {
  73     return msg != NULL ? i2d_OSSL_CMP_MSG(msg, NULL) > 0 : 0;
  74 }
  75
  76 /*
  77  * Compares two stacks of certificates in the order of their elements.
  78  * Returns 0 if sk1 and sk2 are equal and another value otherwise
  79  */
  80 int STACK_OF_X509_cmp(const STACK_OF(X509) *sk1, const STACK_OF(X509) *sk2)
  81 {
  82     int i, res;
  83     X509 *a, *b;
  84
  85     if (sk1 == sk2)
  86         return 0;
  87     if (sk1 == NULL)
  88         return -1;
  89     if (sk2 == NULL)
  90         return 1;
  91     if ((res = sk_X509_num(sk1) - sk_X509_num(sk2)))
  92         return res;
  93     for (i = 0; i < sk_X509_num(sk1); i++) {
  94         a = sk_X509_value(sk1, i);
  95         b = sk_X509_value(sk2, i);
  96         if (a != b)
  97             if ((res = X509_cmp(a, b)) != 0)
  98                 return res;
  99     }
 100     return 0;
 101 }
 102
 103 /*
 104  * Up refs and push a cert onto sk.
 105  * Returns the number of certificates on the stack on success
 106  * Returns -1 or 0 on error
 107  */
 108 int STACK_OF_X509_push1(STACK_OF(X509) *sk, X509 *cert)
 109 {
 110     int res;
 111
 112     if (sk == NULL || cert == NULL)
 113         return -1;
 114     if (!X509_up_ref(cert))
 115         return -1;
 116     res = sk_X509_push(sk, cert);
 117     if (res <= 0)
 118         X509_free(cert); /* down-ref */
 119     return res;
 120 }