test/helpers/cmp_testlib.c

   1 /*
   2  * Copyright 2007-2020 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, OSSL_LIB_CTX *libctx)
  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_ex(bio, NULL, NULL, NULL,
  24                                                         libctx, NULL));
  25
  26     BIO_free(bio);
  27     return key;
  28 }
  29
  30 X509 *load_pem_cert(const char *file, OSSL_LIB_CTX *libctx)
  31 {
  32     X509 *cert = NULL;
  33     BIO *bio = NULL;
  34
  35     if (!TEST_ptr(bio = BIO_new(BIO_s_file())))
  36         return NULL;
  37     if (TEST_int_gt(BIO_read_filename(bio, file), 0)
  38             && TEST_ptr(cert = X509_new_ex(libctx, NULL)))
  39         (void)TEST_ptr(cert = PEM_read_bio_X509(bio, &cert, NULL, NULL));
  40
  41     BIO_free(bio);
  42     return cert;
  43 }
  44
  45 OSSL_CMP_MSG *load_pkimsg(const char *file)
  46 {
  47     OSSL_CMP_MSG *msg;
  48
  49     (void)TEST_ptr((msg = OSSL_CMP_MSG_read(file)));
  50     return msg;
  51 }
  52
  53 X509_REQ *load_csr(const char *file)
  54 {
  55     X509_REQ *csr = NULL;
  56     BIO *bio = NULL;
  57
  58     if (!TEST_ptr(file) || !TEST_ptr(bio = BIO_new_file(file, "rb")))
  59         return NULL;
  60     (void)TEST_ptr(csr = d2i_X509_REQ_bio(bio, NULL));
  61     BIO_free(bio);
  62     return csr;
  63 }
  64
  65 /*
  66  * Checks whether the syntax of msg conforms to ASN.1
  67  */
  68 int valid_asn1_encoding(const OSSL_CMP_MSG *msg)
  69 {
  70     return msg != NULL ? i2d_OSSL_CMP_MSG(msg, NULL) > 0 : 0;
  71 }
  72
  73 /*
  74  * Compares two stacks of certificates in the order of their elements.
  75  * Returns 0 if sk1 and sk2 are equal and another value otherwise
  76  */
  77 int STACK_OF_X509_cmp(const STACK_OF(X509) *sk1, const STACK_OF(X509) *sk2)
  78 {
  79     int i, res;
  80     X509 *a, *b;
  81
  82     if (sk1 == sk2)
  83         return 0;
  84     if (sk1 == NULL)
  85         return -1;
  86     if (sk2 == NULL)
  87         return 1;
  88     if ((res = sk_X509_num(sk1) - sk_X509_num(sk2)))
  89         return res;
  90     for (i = 0; i < sk_X509_num(sk1); i++) {
  91         a = sk_X509_value(sk1, i);
  92         b = sk_X509_value(sk2, i);
  93         if (a != b)
  94             if ((res = X509_cmp(a, b)) != 0)
  95                 return res;
  96     }
  97     return 0;
  98 }
  99
 100 /*
 101  * Up refs and push a cert onto sk.
 102  * Returns the number of certificates on the stack on success
 103  * Returns -1 or 0 on error
 104  */
 105 int STACK_OF_X509_push1(STACK_OF(X509) *sk, X509 *cert)
 106 {
 107     int res;
 108
 109     if (sk == NULL || cert == NULL)
 110         return -1;
 111     if (!X509_up_ref(cert))
 112         return -1;
 113     res = sk_X509_push(sk, cert);
 114     if (res <= 0)
 115         X509_free(cert); /* down-ref */
 116     return res;
 117 }
 118
 119 int print_to_bio_out(const char *func, const char *file, int line,
 120                      OSSL_CMP_severity level, const char *msg)
 121 {
 122     return OSSL_CMP_print_to_bio(bio_out, func, file, line, level, msg);
 123 }