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_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 = 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 38 int 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 48 int 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 73 int 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 80 int 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