524 lines
13 KiB
C
524 lines
13 KiB
C
/* $OpenBSD: t_x509.c,v 1.42 2023/07/05 21:23:36 beck Exp $ */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#include <stdio.h>
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#include <openssl/opensslconf.h>
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#include <openssl/bn.h>
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#include <openssl/buffer.h>
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#include <openssl/err.h>
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#include <openssl/objects.h>
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#include <openssl/x509.h>
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#include <openssl/x509v3.h>
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#ifndef OPENSSL_NO_DSA
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#include <openssl/dsa.h>
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#endif
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#ifndef OPENSSL_NO_EC
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#include <openssl/ec.h>
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#endif
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#ifndef OPENSSL_NO_RSA
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#include <openssl/rsa.h>
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#endif
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#include "asn1_local.h"
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#include "x509_local.h"
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int
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X509_print_fp(FILE *fp, X509 *x)
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{
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return X509_print_ex_fp(fp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
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}
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LCRYPTO_ALIAS(X509_print_fp);
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int
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X509_print_ex_fp(FILE *fp, X509 *x, unsigned long nmflag, unsigned long cflag)
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{
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BIO *b;
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int ret;
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if ((b = BIO_new(BIO_s_file())) == NULL) {
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X509error(ERR_R_BUF_LIB);
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return (0);
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}
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BIO_set_fp(b, fp, BIO_NOCLOSE);
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ret = X509_print_ex(b, x, nmflag, cflag);
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BIO_free(b);
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return (ret);
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}
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LCRYPTO_ALIAS(X509_print_ex_fp);
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int
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X509_print(BIO *bp, X509 *x)
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{
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return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
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}
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LCRYPTO_ALIAS(X509_print);
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int
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X509_print_ex(BIO *bp, X509 *x, unsigned long nmflags, unsigned long cflag)
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{
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long l;
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int ret = 0, i;
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char *m = NULL, mlch = ' ';
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int nmindent = 0;
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X509_CINF *ci;
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ASN1_INTEGER *bs;
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EVP_PKEY *pkey = NULL;
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if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
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mlch = '\n';
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nmindent = 12;
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}
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if (nmflags == X509_FLAG_COMPAT)
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nmindent = 16;
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ci = x->cert_info;
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if (!(cflag & X509_FLAG_NO_HEADER)) {
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if (BIO_write(bp, "Certificate:\n", 13) <= 0)
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goto err;
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if (BIO_write(bp, " Data:\n", 10) <= 0)
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goto err;
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}
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if (!(cflag & X509_FLAG_NO_VERSION)) {
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l = X509_get_version(x);
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if (l >= 0 && l <= 2) {
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if (BIO_printf(bp, "%8sVersion: %ld (0x%lx)\n",
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"", l + 1, l) <= 0)
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goto err;
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} else {
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if (BIO_printf(bp, "%8sVersion: unknown (%ld)\n",
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"", l) <= 0)
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goto err;
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}
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}
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if (!(cflag & X509_FLAG_NO_SERIAL)) {
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if (BIO_write(bp, " Serial Number:", 22) <= 0)
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goto err;
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bs = X509_get_serialNumber(x);
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l = -1;
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if (bs->length <= (int)sizeof(long))
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l = ASN1_INTEGER_get(bs);
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if (l >= 0) {
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if (BIO_printf(bp, " %ld (0x%lx)\n", l, l) <= 0)
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goto err;
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} else {
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const char *neg = "";
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if (bs->type == V_ASN1_NEG_INTEGER)
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neg = " (Negative)";
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if (BIO_printf(bp, "\n%12s%s", "", neg) <= 0)
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goto err;
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for (i = 0; i < bs->length; i++) {
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if (BIO_printf(bp, "%02x%c", bs->data[i],
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((i + 1 == bs->length) ? '\n' : ':')) <= 0)
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goto err;
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}
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}
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}
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if (!(cflag & X509_FLAG_NO_SIGNAME)) {
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if (X509_signature_print(bp, x->sig_alg, NULL) <= 0)
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goto err;
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}
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if (!(cflag & X509_FLAG_NO_ISSUER)) {
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if (BIO_printf(bp, " Issuer:%c", mlch) <= 0)
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goto err;
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if (X509_NAME_print_ex(bp, X509_get_issuer_name(x),
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nmindent, nmflags) < (nmflags == X509_FLAG_COMPAT ? 1 : 0))
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goto err;
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if (BIO_write(bp, "\n", 1) <= 0)
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goto err;
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}
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if (!(cflag & X509_FLAG_NO_VALIDITY)) {
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if (BIO_write(bp, " Validity\n", 17) <= 0)
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goto err;
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if (BIO_write(bp, " Not Before: ", 24) <= 0)
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goto err;
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if (!ASN1_TIME_print(bp, X509_get_notBefore(x)))
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goto err;
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if (BIO_write(bp, "\n Not After : ", 25) <= 0)
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goto err;
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if (!ASN1_TIME_print(bp, X509_get_notAfter(x)))
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goto err;
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if (BIO_write(bp, "\n", 1) <= 0)
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goto err;
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}
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if (!(cflag & X509_FLAG_NO_SUBJECT)) {
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if (BIO_printf(bp, " Subject:%c", mlch) <= 0)
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goto err;
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if (X509_NAME_print_ex(bp, X509_get_subject_name(x),
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nmindent, nmflags) < (nmflags == X509_FLAG_COMPAT ? 1 : 0))
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goto err;
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if (BIO_write(bp, "\n", 1) <= 0)
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goto err;
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}
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if (!(cflag & X509_FLAG_NO_PUBKEY)) {
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if (BIO_write(bp, " Subject Public Key Info:\n",
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33) <= 0)
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goto err;
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if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0)
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goto err;
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if (i2a_ASN1_OBJECT(bp, ci->key->algor->algorithm) <= 0)
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goto err;
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if (BIO_puts(bp, "\n") <= 0)
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goto err;
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pkey = X509_get_pubkey(x);
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if (pkey == NULL) {
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BIO_printf(bp, "%12sUnable to load Public Key\n", "");
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ERR_print_errors(bp);
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} else {
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EVP_PKEY_print_public(bp, pkey, 16, NULL);
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EVP_PKEY_free(pkey);
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}
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}
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if (!(cflag & X509_FLAG_NO_EXTENSIONS))
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X509V3_extensions_print(bp, "X509v3 extensions",
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ci->extensions, cflag, 8);
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if (!(cflag & X509_FLAG_NO_SIGDUMP)) {
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if (X509_signature_print(bp, x->sig_alg, x->signature) <= 0)
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goto err;
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}
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if (!(cflag & X509_FLAG_NO_AUX)) {
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if (!X509_CERT_AUX_print(bp, x->aux, 0))
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goto err;
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}
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ret = 1;
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err:
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free(m);
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return (ret);
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}
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LCRYPTO_ALIAS(X509_print_ex);
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int
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X509_ocspid_print(BIO *bp, X509 *x)
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{
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unsigned char *der = NULL;
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unsigned char *dertmp;
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int derlen;
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int i;
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unsigned char SHA1md[SHA_DIGEST_LENGTH];
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/* display the hash of the subject as it would appear
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in OCSP requests */
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if (BIO_printf(bp, " Subject OCSP hash: ") <= 0)
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goto err;
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if ((derlen = i2d_X509_NAME(x->cert_info->subject, NULL)) <= 0)
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goto err;
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if ((der = dertmp = malloc(derlen)) == NULL)
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goto err;
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if (i2d_X509_NAME(x->cert_info->subject, &dertmp) <= 0)
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goto err;
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if (!EVP_Digest(der, derlen, SHA1md, NULL, EVP_sha1(), NULL))
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goto err;
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for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
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if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0)
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goto err;
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}
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free (der);
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der = NULL;
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/* display the hash of the public key as it would appear
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in OCSP requests */
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if (BIO_printf(bp, "\n Public key OCSP hash: ") <= 0)
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goto err;
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if (!EVP_Digest(x->cert_info->key->public_key->data,
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x->cert_info->key->public_key->length,
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SHA1md, NULL, EVP_sha1(), NULL))
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goto err;
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for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
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if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0)
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goto err;
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}
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BIO_printf(bp, "\n");
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return (1);
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err:
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free(der);
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return (0);
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}
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LCRYPTO_ALIAS(X509_ocspid_print);
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int
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X509_signature_dump(BIO *bp, const ASN1_STRING *sig, int indent)
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{
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const unsigned char *s;
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int i, n;
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n = sig->length;
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s = sig->data;
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for (i = 0; i < n; i++) {
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if ((i % 18) == 0) {
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if (BIO_write(bp, "\n", 1) <= 0)
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return 0;
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if (BIO_indent(bp, indent, indent) <= 0)
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return 0;
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}
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if (BIO_printf(bp, "%02x%s", s[i],
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((i + 1) == n) ? "" : ":") <= 0)
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return 0;
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}
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if (BIO_write(bp, "\n", 1) != 1)
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return 0;
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return 1;
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}
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LCRYPTO_ALIAS(X509_signature_dump);
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int
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X509_signature_print(BIO *bp, const X509_ALGOR *sigalg, const ASN1_STRING *sig)
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{
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int sig_nid;
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if (BIO_puts(bp, " Signature Algorithm: ") <= 0)
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return 0;
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if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0)
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return 0;
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sig_nid = OBJ_obj2nid(sigalg->algorithm);
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if (sig_nid != NID_undef) {
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int pkey_nid, dig_nid;
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const EVP_PKEY_ASN1_METHOD *ameth;
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if (OBJ_find_sigid_algs(sig_nid, &dig_nid, &pkey_nid)) {
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ameth = EVP_PKEY_asn1_find(NULL, pkey_nid);
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if (ameth && ameth->sig_print)
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return ameth->sig_print(bp, sigalg, sig, 9, 0);
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}
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}
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if (sig)
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return X509_signature_dump(bp, sig, 9);
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else if (BIO_puts(bp, "\n") <= 0)
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return 0;
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return 1;
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}
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LCRYPTO_ALIAS(X509_signature_print);
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int
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ASN1_TIME_print(BIO *bp, const ASN1_TIME *tm)
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{
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if (tm->type == V_ASN1_UTCTIME)
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return ASN1_UTCTIME_print(bp, tm);
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if (tm->type == V_ASN1_GENERALIZEDTIME)
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return ASN1_GENERALIZEDTIME_print(bp, tm);
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BIO_write(bp, "Bad time value", 14);
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return (0);
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}
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LCRYPTO_ALIAS(ASN1_TIME_print);
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static const char *mon[12] = {
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"Jan", "Feb", "Mar", "Apr", "May", "Jun",
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"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
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};
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int
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ASN1_GENERALIZEDTIME_print(BIO *bp, const ASN1_GENERALIZEDTIME *tm)
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{
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char *v;
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int gmt = 0;
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int i;
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int y = 0, M = 0, d = 0, h = 0, m = 0, s = 0;
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char *f = "";
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int f_len = 0;
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i = tm->length;
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v = (char *)tm->data;
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if (i < 12)
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goto err;
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if (v[i-1] == 'Z')
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gmt = 1;
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for (i = 0; i < 12; i++)
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if ((v[i] > '9') || (v[i] < '0'))
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goto err;
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y = (v[0] - '0') * 1000 + (v[1] - '0') * 100 +
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(v[2] - '0') * 10 + (v[3] - '0');
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M = (v[4] - '0') * 10 + (v[5] - '0');
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if ((M > 12) || (M < 1))
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goto err;
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d = (v[6] - '0') * 10 + (v[7] - '0');
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h = (v[8] - '0') * 10 + (v[9] - '0');
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m = (v[10] - '0') * 10 + (v[11] - '0');
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if (tm->length >= 14 &&
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(v[12] >= '0') && (v[12] <= '9') &&
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(v[13] >= '0') && (v[13] <= '9')) {
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s = (v[12] - '0') * 10 + (v[13] - '0');
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/* Check for fractions of seconds. */
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if (tm->length >= 15 && v[14] == '.') {
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int l = tm->length;
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f = &v[14]; /* The decimal point. */
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f_len = 1;
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while (14 + f_len < l && f[f_len] >= '0' &&
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f[f_len] <= '9')
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++f_len;
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}
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}
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if (BIO_printf(bp, "%s %2d %02d:%02d:%02d%.*s %d%s",
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mon[M - 1], d, h, m, s, f_len, f, y, (gmt) ? " GMT" : "") <= 0)
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return (0);
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else
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return (1);
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err:
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BIO_write(bp, "Bad time value", 14);
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return (0);
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}
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LCRYPTO_ALIAS(ASN1_GENERALIZEDTIME_print);
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int
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ASN1_UTCTIME_print(BIO *bp, const ASN1_UTCTIME *tm)
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{
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const char *v;
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int gmt = 0;
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int i;
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int y = 0, M = 0, d = 0, h = 0, m = 0, s = 0;
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i = tm->length;
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v = (const char *)tm->data;
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if (i < 10)
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goto err;
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if (v[i-1] == 'Z')
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gmt = 1;
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for (i = 0; i < 10; i++)
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if ((v[i] > '9') || (v[i] < '0'))
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goto err;
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y = (v[0] - '0') * 10 + (v[1] - '0');
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if (y < 50)
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y += 100;
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M = (v[2] - '0') * 10 + (v[3] - '0');
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if ((M > 12) || (M < 1))
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goto err;
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d = (v[4] - '0') * 10 + (v[5] - '0');
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h = (v[6] - '0') * 10 + (v[7] - '0');
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m = (v[8] - '0') * 10 + (v[9] - '0');
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if (tm->length >=12 &&
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(v[10] >= '0') && (v[10] <= '9') &&
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(v[11] >= '0') && (v[11] <= '9'))
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s = (v[10] - '0') * 10 + (v[11] - '0');
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if (BIO_printf(bp, "%s %2d %02d:%02d:%02d %d%s",
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mon[M - 1], d, h, m, s, y + 1900, (gmt) ? " GMT" : "") <= 0)
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return (0);
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else
|
|
return (1);
|
|
|
|
err:
|
|
BIO_write(bp, "Bad time value", 14);
|
|
return (0);
|
|
}
|
|
LCRYPTO_ALIAS(ASN1_UTCTIME_print);
|
|
|
|
int
|
|
X509_NAME_print(BIO *bp, const X509_NAME *name, int obase)
|
|
{
|
|
char *s, *c, *b;
|
|
int i;
|
|
int ret = 0;
|
|
|
|
b = X509_NAME_oneline(name, NULL, 0);
|
|
if (b == NULL)
|
|
return 0;
|
|
if (*b == '\0') {
|
|
free(b);
|
|
return 1;
|
|
}
|
|
s = b + 1; /* skip the first slash */
|
|
|
|
c = s;
|
|
for (;;) {
|
|
if (((*s == '/') &&
|
|
((s[1] >= 'A') && (s[1] <= 'Z') &&
|
|
((s[2] == '=') || ((s[2] >= 'A') && (s[2] <= 'Z') &&
|
|
(s[3] == '='))))) || (*s == '\0')) {
|
|
i = s - c;
|
|
if (BIO_write(bp, c, i) != i)
|
|
goto err;
|
|
c = s + 1; /* skip following slash */
|
|
if (*s != '\0') {
|
|
if (BIO_write(bp, ", ", 2) != 2)
|
|
goto err;
|
|
}
|
|
}
|
|
if (*s == '\0')
|
|
break;
|
|
s++;
|
|
}
|
|
|
|
ret = 1;
|
|
if (0) {
|
|
err:
|
|
X509error(ERR_R_BUF_LIB);
|
|
}
|
|
free(b);
|
|
return (ret);
|
|
}
|
|
LCRYPTO_ALIAS(X509_NAME_print);
|