215 lines
6.9 KiB
C
215 lines
6.9 KiB
C
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/*
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* Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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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 <openssl/rsa.h>
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#include <openssl/dsa.h>
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#ifndef OPENSSL_NO_STDIO
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int X509_REQ_print_fp(FILE *fp, X509_REQ *x)
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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_REQ_PRINT_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_REQ_print(b, x);
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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_REQ_print_ex(BIO *bp, X509_REQ *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 i;
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EVP_PKEY *pkey;
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STACK_OF(X509_EXTENSION) *exts;
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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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if (!(cflag & X509_FLAG_NO_HEADER)) {
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if (BIO_write(bp, "Certificate Request:\n", 21) <= 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_REQ_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", "", l + 1, (unsigned long)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", "", 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(bp, " Subject:%c", mlch) <= 0)
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goto err;
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if (X509_NAME_print_ex(bp, X509_REQ_get_subject_name(x),
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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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X509_PUBKEY *xpkey;
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ASN1_OBJECT *koid;
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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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xpkey = X509_REQ_get_X509_PUBKEY(x);
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X509_PUBKEY_get0_param(&koid, NULL, NULL, NULL, xpkey);
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if (i2a_ASN1_OBJECT(bp, koid) <= 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_REQ_get0_pubkey(x);
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if (pkey == NULL) {
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if (BIO_printf(bp, "%12sUnable to load Public Key\n", "") <= 0)
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goto err;
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ERR_print_errors(bp);
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} else {
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if (EVP_PKEY_print_public(bp, pkey, 16, NULL) <= 0)
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goto err;
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}
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}
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if (!(cflag & X509_FLAG_NO_ATTRIBUTES)) {
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/* may not be */
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if (BIO_printf(bp, "%8sAttributes:\n", "") <= 0)
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goto err;
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if (X509_REQ_get_attr_count(x) == 0) {
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if (BIO_printf(bp, "%12sa0:00\n", "") <= 0)
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goto err;
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} else {
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for (i = 0; i < X509_REQ_get_attr_count(x); i++) {
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ASN1_TYPE *at;
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X509_ATTRIBUTE *a;
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ASN1_BIT_STRING *bs = NULL;
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ASN1_OBJECT *aobj;
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int j, type = 0, count = 1, ii = 0;
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a = X509_REQ_get_attr(x, i);
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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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if (BIO_printf(bp, "%12s", "") <= 0)
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goto err;
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if ((j = i2a_ASN1_OBJECT(bp, aobj)) > 0) {
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ii = 0;
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count = X509_ATTRIBUTE_count(a);
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if (count == 0) {
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X509err(X509_F_X509_REQ_PRINT_EX, X509_R_INVALID_ATTRIBUTES);
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return 0;
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}
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get_next:
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at = X509_ATTRIBUTE_get0_type(a, ii);
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type = at->type;
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bs = at->value.asn1_string;
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}
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for (j = 25 - j; j > 0; j--)
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if (BIO_write(bp, " ", 1) != 1)
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goto err;
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if (BIO_puts(bp, ":") <= 0)
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goto err;
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switch (type) {
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case V_ASN1_PRINTABLESTRING:
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case V_ASN1_T61STRING:
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case V_ASN1_NUMERICSTRING:
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case V_ASN1_UTF8STRING:
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case V_ASN1_IA5STRING:
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if (BIO_write(bp, (char *)bs->data, bs->length)
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!= bs->length)
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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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break;
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default:
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if (BIO_puts(bp, "unable to print attribute\n") <= 0)
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goto err;
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break;
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}
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if (++ii < count)
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goto get_next;
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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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exts = X509_REQ_get_extensions(x);
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if (exts) {
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if (BIO_printf(bp, "%8sRequested Extensions:\n", "") <= 0)
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goto err;
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for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
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ASN1_OBJECT *obj;
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X509_EXTENSION *ex;
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int critical;
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ex = sk_X509_EXTENSION_value(exts, i);
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if (BIO_printf(bp, "%12s", "") <= 0)
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goto err;
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obj = X509_EXTENSION_get_object(ex);
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if (i2a_ASN1_OBJECT(bp, obj) <= 0)
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goto err;
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critical = X509_EXTENSION_get_critical(ex);
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if (BIO_printf(bp, ": %s\n", critical ? "critical" : "") <= 0)
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goto err;
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if (!X509V3_EXT_print(bp, ex, cflag, 16)) {
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if (BIO_printf(bp, "%16s", "") <= 0
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|| ASN1_STRING_print(bp,
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X509_EXTENSION_get_data(ex)) <= 0)
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goto err;
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}
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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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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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const X509_ALGOR *sig_alg;
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const ASN1_BIT_STRING *sig;
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X509_REQ_get0_signature(x, &sig, &sig_alg);
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if (!X509_signature_print(bp, sig_alg, sig))
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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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X509err(X509_F_X509_REQ_PRINT_EX, ERR_R_BUF_LIB);
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return 0;
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}
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int X509_REQ_print(BIO *bp, X509_REQ *x)
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{
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return X509_REQ_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
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}
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