1/*
2 * Copyright 2006-2018 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_local.h"
18
19int 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 = ASN1_INTEGER_to_BN(num, NULL);
26    if (num_bn == NULL)
27        return -1;
28    if ((hex = BN_bn2hex(num_bn))) {
29        result = BIO_write(bio, "0x", 2) > 0;
30        result = result && BIO_write(bio, hex, strlen(hex)) > 0;
31        OPENSSL_free(hex);
32    }
33    BN_free(num_bn);
34
35    return result;
36}
37
38int TS_OBJ_print_bio(BIO *bio, const ASN1_OBJECT *obj)
39{
40    char obj_txt[128];
41
42    OBJ_obj2txt(obj_txt, sizeof(obj_txt), obj, 0);
43    BIO_printf(bio, "%s\n", obj_txt);
44
45    return 1;
46}
47
48int TS_ext_print_bio(BIO *bio, const STACK_OF(X509_EXTENSION) *extensions)
49{
50    int i, critical, n;
51    X509_EXTENSION *ex;
52    ASN1_OBJECT *obj;
53
54    BIO_printf(bio, "Extensions:\n");
55    n = X509v3_get_ext_count(extensions);
56    for (i = 0; i < n; i++) {
57        ex = X509v3_get_ext(extensions, i);
58        obj = X509_EXTENSION_get_object(ex);
59        if (i2a_ASN1_OBJECT(bio, obj) < 0)
60            return 0;
61        critical = X509_EXTENSION_get_critical(ex);
62        BIO_printf(bio, ":%s\n", critical ? " critical" : "");
63        if (!X509V3_EXT_print(bio, ex, 0, 4)) {
64            BIO_printf(bio, "%4s", "");
65            ASN1_STRING_print(bio, X509_EXTENSION_get_data(ex));
66        }
67        BIO_write(bio, "\n", 1);
68    }
69
70    return 1;
71}
72
73int TS_X509_ALGOR_print_bio(BIO *bio, const X509_ALGOR *alg)
74{
75    int i = OBJ_obj2nid(alg->algorithm);
76    return BIO_printf(bio, "Hash Algorithm: %s\n",
77                      (i == NID_undef) ? "UNKNOWN" : OBJ_nid2ln(i));
78}
79
80int TS_MSG_IMPRINT_print_bio(BIO *bio, TS_MSG_IMPRINT *a)
81{
82    ASN1_OCTET_STRING *msg;
83
84    TS_X509_ALGOR_print_bio(bio, a->hash_algo);
85
86    BIO_printf(bio, "Message data:\n");
87    msg = a->hashed_msg;
88    BIO_dump_indent(bio, (const char *)ASN1_STRING_get0_data(msg),
89                    ASN1_STRING_length(msg), 4);
90
91    return 1;
92}
93