349 lines
11 KiB
C
349 lines
11 KiB
C
/* crypto/x509/t_x509.c */
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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 "internal/cryptlib.h"
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#include <openssl/buffer.h>
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#include <openssl/bn.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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#include "internal/asn1_int.h"
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#include "internal/x509_int.h"
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#ifndef OPENSSL_NO_STDIO
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int 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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int X509_print_ex_fp(FILE *fp, X509 *x, unsigned long nmflag,
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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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X509err(X509_F_X509_PRINT_EX_FP, 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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#endif
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int 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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int X509_print_ex(BIO *bp, X509 *x, unsigned long nmflags,
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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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const char *neg;
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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 (BIO_printf(bp, "%8sVersion: %lu (0x%lx)\n", "", l + 1, l) <= 0)
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goto err;
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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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if (bs->length <= (int)sizeof(long)) {
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ERR_set_mark();
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l = ASN1_INTEGER_get(bs);
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ERR_pop_to_mark();
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} else {
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l = -1;
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}
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if (l != -1) {
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if (bs->type == V_ASN1_NEG_INTEGER) {
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l = -l;
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neg = "-";
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} else
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neg = "";
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if (BIO_printf(bp, " %s%lu (%s0x%lx)\n", neg, l, neg, l) <= 0)
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goto err;
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} else {
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neg = (bs->type == V_ASN1_NEG_INTEGER) ? " (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, &ci->signature, 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), nmindent, nmflags)
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< 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
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(bp, X509_get_subject_name(x), nmindent, nmflags) < 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", 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_IDS)) {
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if (ci->issuerUID) {
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if (BIO_printf(bp, "%8sIssuer Unique ID: ", "") <= 0)
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goto err;
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if (!X509_signature_dump(bp, ci->issuerUID, 12))
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goto err;
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}
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if (ci->subjectUID) {
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if (BIO_printf(bp, "%8sSubject Unique ID: ", "") <= 0)
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goto err;
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if (!X509_signature_dump(bp, ci->subjectUID, 12))
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goto err;
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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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OPENSSL_free(m);
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return (ret);
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}
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int 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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/*
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* display the hash of the subject as it would appear in OCSP requests
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*/
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if (BIO_printf(bp, " Subject OCSP hash: ") <= 0)
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goto err;
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derlen = i2d_X509_NAME(x->cert_info.subject, NULL);
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if ((der = dertmp = OPENSSL_malloc(derlen)) == NULL)
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goto err;
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i2d_X509_NAME(x->cert_info.subject, &dertmp);
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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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OPENSSL_free(der);
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der = NULL;
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/*
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* display the hash of the public key as it would appear in OCSP requests
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*/
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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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OPENSSL_free(der);
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return (0);
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}
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int 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], ((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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int X509_signature_print(BIO *bp, X509_ALGOR *sigalg, 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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