247 lines
8.1 KiB
C
247 lines
8.1 KiB
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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#include <stdio.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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int X509_REQ_print_fp(FILE *fp, X509_REQ *x) {
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BIO *bio = BIO_new(BIO_s_file());
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if (bio == NULL) {
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OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB);
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return 0;
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}
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BIO_set_fp(bio, fp, BIO_NOCLOSE);
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int ret = X509_REQ_print(bio, x);
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BIO_free(bio);
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return ret;
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}
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int X509_REQ_print_ex(BIO *bio, X509_REQ *x, unsigned long nmflags,
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unsigned long cflag) {
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long l;
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EVP_PKEY *pkey;
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STACK_OF(X509_ATTRIBUTE) * sk;
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char mlch = ' ';
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int nmindent = 0;
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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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}
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X509_REQ_INFO *ri = x->req_info;
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if (!(cflag & X509_FLAG_NO_HEADER)) {
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if (BIO_write(bio, "Certificate Request:\n", 21) <= 0 ||
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BIO_write(bio, " Data:\n", 10) <= 0) {
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goto err;
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}
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}
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if (!(cflag & X509_FLAG_NO_VERSION)) {
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l = X509_REQ_get_version(x);
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if (BIO_printf(bio, "%8sVersion: %ld (0x%lx)\n", "", l + 1, 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_SUBJECT)) {
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if (BIO_printf(bio, " Subject:%c", mlch) <= 0 ||
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X509_NAME_print_ex(bio, ri->subject, nmindent, nmflags) < 0 ||
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BIO_write(bio, "\n", 1) <= 0) {
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goto err;
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}
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}
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if (!(cflag & X509_FLAG_NO_PUBKEY)) {
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if (BIO_write(bio, " Subject Public Key Info:\n", 33) <= 0 ||
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BIO_printf(bio, "%12sPublic Key Algorithm: ", "") <= 0 ||
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i2a_ASN1_OBJECT(bio, ri->pubkey->algor->algorithm) <= 0 ||
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BIO_puts(bio, "\n") <= 0) {
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goto err;
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}
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pkey = X509_REQ_get_pubkey(x);
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if (pkey == NULL) {
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BIO_printf(bio, "%12sUnable to load Public Key\n", "");
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ERR_print_errors(bio);
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} else {
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EVP_PKEY_print_public(bio, 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_ATTRIBUTES)) {
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if (BIO_printf(bio, "%8sAttributes:\n", "") <= 0) {
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goto err;
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}
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sk = x->req_info->attributes;
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if (sk_X509_ATTRIBUTE_num(sk) == 0) {
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if (BIO_printf(bio, "%12sa0:00\n", "") <= 0) {
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goto err;
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}
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} else {
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size_t i;
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for (i = 0; i < sk_X509_ATTRIBUTE_num(sk); i++) {
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X509_ATTRIBUTE *a = sk_X509_ATTRIBUTE_value(sk, i);
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ASN1_OBJECT *aobj = X509_ATTRIBUTE_get0_object(a);
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if (X509_REQ_extension_nid(OBJ_obj2nid(aobj))) {
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continue;
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}
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if (BIO_printf(bio, "%12s", "") <= 0) {
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goto err;
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}
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const int num_attrs = X509_ATTRIBUTE_count(a);
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const int obj_str_len = i2a_ASN1_OBJECT(bio, aobj);
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if (obj_str_len <= 0) {
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if (BIO_puts(bio, "(Unable to print attribute ID.)\n") < 0) {
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goto err;
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} else {
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continue;
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}
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}
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int j;
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for (j = 0; j < num_attrs; j++) {
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const ASN1_TYPE *at = X509_ATTRIBUTE_get0_type(a, j);
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const int type = at->type;
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ASN1_BIT_STRING *bs = at->value.asn1_string;
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int k;
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for (k = 25 - obj_str_len; k > 0; k--) {
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if (BIO_write(bio, " ", 1) != 1) {
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goto err;
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}
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}
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if (BIO_puts(bio, ":") <= 0) {
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goto err;
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}
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if (type == V_ASN1_PRINTABLESTRING ||
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type == V_ASN1_UTF8STRING ||
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type == V_ASN1_IA5STRING ||
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type == V_ASN1_T61STRING) {
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if (BIO_write(bio, (char *)bs->data, bs->length) != bs->length) {
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goto err;
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}
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BIO_puts(bio, "\n");
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} else {
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BIO_puts(bio, "unable to print attribute\n");
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}
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}
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}
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}
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}
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if (!(cflag & X509_FLAG_NO_EXTENSIONS)) {
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STACK_OF(X509_EXTENSION) *exts = X509_REQ_get_extensions(x);
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if (exts) {
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BIO_printf(bio, "%8sRequested Extensions:\n", "");
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size_t i;
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for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
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X509_EXTENSION *ex = sk_X509_EXTENSION_value(exts, i);
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if (BIO_printf(bio, "%12s", "") <= 0) {
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goto err;
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}
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ASN1_OBJECT *obj = X509_EXTENSION_get_object(ex);
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i2a_ASN1_OBJECT(bio, obj);
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const int is_critical = X509_EXTENSION_get_critical(ex);
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if (BIO_printf(bio, ": %s\n", is_critical ? "critical" : "") <= 0) {
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goto err;
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}
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if (!X509V3_EXT_print(bio, ex, cflag, 16)) {
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BIO_printf(bio, "%16s", "");
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ASN1_STRING_print(bio, X509_EXTENSION_get_data(ex));
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}
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if (BIO_write(bio, "\n", 1) <= 0) {
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goto err;
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}
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}
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sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
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}
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}
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if (!(cflag & X509_FLAG_NO_SIGDUMP) &&
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!X509_signature_print(bio, x->sig_alg, x->signature)) {
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goto err;
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}
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return 1;
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err:
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OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB);
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return 0;
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}
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int X509_REQ_print(BIO *bio, X509_REQ *req) {
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return X509_REQ_print_ex(bio, req, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
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}
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