crypto/ts/ts_lib.c

   1 /*
   2  * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the OpenSSL license (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 <stdio.h>
  11 #include "internal/cryptlib.h"
  12 #include <openssl/objects.h>
  13 #include <openssl/bn.h>
  14 #include <openssl/x509.h>
  15 #include <openssl/x509v3.h>
  16 #include <openssl/ts.h>
  17 #include "ts_lcl.h"
  18
  19 int TS_ASN1_INTEGER_print_bio(BIO *bio, const ASN1_INTEGER *num)
  20 {
  21     BIGNUM *num_bn;
  22     int result = 0;
  23     char *hex;
  24
  25     num_bn = BN_new();
  26     if (num_bn == NULL)
  27         return -1;
  28     ASN1_INTEGER_to_BN(num, num_bn);
  29     if ((hex = BN_bn2hex(num_bn))) {
  30         result = BIO_write(bio, "0x", 2) > 0;
  31         result = result && BIO_write(bio, hex, strlen(hex)) > 0;
  32         OPENSSL_free(hex);
  33     }
  34     BN_free(num_bn);
  35
  36     return result;
  37 }
  38
  39 int TS_OBJ_print_bio(BIO *bio, const ASN1_OBJECT *obj)
  40 {
  41     char obj_txt[128];
  42
  43     int len = OBJ_obj2txt(obj_txt, sizeof(obj_txt), obj, 0);
  44     BIO_write(bio, obj_txt, len);
  45     BIO_write(bio, "\n", 1);
  46
  47     return 1;
  48 }
  49
  50 int TS_ext_print_bio(BIO *bio, const STACK_OF(X509_EXTENSION) *extensions)
  51 {
  52     int i, critical, n;
  53     X509_EXTENSION *ex;
  54     ASN1_OBJECT *obj;
  55
  56     BIO_printf(bio, "Extensions:\n");
  57     n = X509v3_get_ext_count(extensions);
  58     for (i = 0; i < n; i++) {
  59         ex = X509v3_get_ext(extensions, i);
  60         obj = X509_EXTENSION_get_object(ex);
  61         i2a_ASN1_OBJECT(bio, obj);
  62         critical = X509_EXTENSION_get_critical(ex);
  63         BIO_printf(bio, ": %s\n", critical ? "critical" : "");
  64         if (!X509V3_EXT_print(bio, ex, 0, 4)) {
  65             BIO_printf(bio, "%4s", "");
  66             ASN1_STRING_print(bio, X509_EXTENSION_get_data(ex));
  67         }
  68         BIO_write(bio, "\n", 1);
  69     }
  70
  71     return 1;
  72 }
  73
  74 int TS_X509_ALGOR_print_bio(BIO *bio, const X509_ALGOR *alg)
  75 {
  76     int i = OBJ_obj2nid(alg->algorithm);
  77     return BIO_printf(bio, "Hash Algorithm: %s\n",
  78                       (i == NID_undef) ? "UNKNOWN" : OBJ_nid2ln(i));
  79 }
  80
  81 int TS_MSG_IMPRINT_print_bio(BIO *bio, TS_MSG_IMPRINT *a)
  82 {
  83     ASN1_OCTET_STRING *msg;
  84
  85     TS_X509_ALGOR_print_bio(bio, a->hash_algo);
  86
  87     BIO_printf(bio, "Message data:\n");
  88     msg = a->hashed_msg;
  89     BIO_dump_indent(bio, (const char *)ASN1_STRING_data(msg),
  90                     ASN1_STRING_length(msg), 4);
  91
  92     return 1;
  93 }