openssl/crypto/ts/ts_lib.c
Pauli 35c9408108 Check conversion return in ASN1_INTEGER_print_bio.
Also streamline the code by relying on ASN1_INTEGER_to_BN to allocate the
BN instead of doing it separately.

Reviewed-by: Tim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/6821)
2018-07-31 11:37:05 +10:00

93 lines
2.4 KiB
C

/*
* Copyright 2006-2018 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include "internal/cryptlib.h"
#include <openssl/objects.h>
#include <openssl/bn.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include <openssl/ts.h>
#include "ts_lcl.h"
int TS_ASN1_INTEGER_print_bio(BIO *bio, const ASN1_INTEGER *num)
{
BIGNUM *num_bn;
int result = 0;
char *hex;
num_bn = ASN1_INTEGER_to_BN(num, NULL);
if (num_bn == NULL)
return -1;
if ((hex = BN_bn2hex(num_bn))) {
result = BIO_write(bio, "0x", 2) > 0;
result = result && BIO_write(bio, hex, strlen(hex)) > 0;
OPENSSL_free(hex);
}
BN_free(num_bn);
return result;
}
int TS_OBJ_print_bio(BIO *bio, const ASN1_OBJECT *obj)
{
char obj_txt[128];
OBJ_obj2txt(obj_txt, sizeof(obj_txt), obj, 0);
BIO_printf(bio, "%s\n", obj_txt);
return 1;
}
int TS_ext_print_bio(BIO *bio, const STACK_OF(X509_EXTENSION) *extensions)
{
int i, critical, n;
X509_EXTENSION *ex;
ASN1_OBJECT *obj;
BIO_printf(bio, "Extensions:\n");
n = X509v3_get_ext_count(extensions);
for (i = 0; i < n; i++) {
ex = X509v3_get_ext(extensions, i);
obj = X509_EXTENSION_get_object(ex);
if (i2a_ASN1_OBJECT(bio, obj) < 0)
return 0;
critical = X509_EXTENSION_get_critical(ex);
BIO_printf(bio, ":%s\n", critical ? " critical" : "");
if (!X509V3_EXT_print(bio, ex, 0, 4)) {
BIO_printf(bio, "%4s", "");
ASN1_STRING_print(bio, X509_EXTENSION_get_data(ex));
}
BIO_write(bio, "\n", 1);
}
return 1;
}
int TS_X509_ALGOR_print_bio(BIO *bio, const X509_ALGOR *alg)
{
int i = OBJ_obj2nid(alg->algorithm);
return BIO_printf(bio, "Hash Algorithm: %s\n",
(i == NID_undef) ? "UNKNOWN" : OBJ_nid2ln(i));
}
int TS_MSG_IMPRINT_print_bio(BIO *bio, TS_MSG_IMPRINT *a)
{
ASN1_OCTET_STRING *msg;
TS_X509_ALGOR_print_bio(bio, a->hash_algo);
BIO_printf(bio, "Message data:\n");
msg = a->hashed_msg;
BIO_dump_indent(bio, (const char *)ASN1_STRING_get0_data(msg),
ASN1_STRING_length(msg), 4);
return 1;
}