openssl1.0/crypto/asn1/t_req.c

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2019-08-09 10:00:55 +02:00
/* crypto/asn1/t_req.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#include <stdio.h>
#include "cryptlib.h"
#include <openssl/buffer.h>
#include <openssl/bn.h>
#include <openssl/objects.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#ifndef OPENSSL_NO_RSA
# include <openssl/rsa.h>
#endif
#ifndef OPENSSL_NO_DSA
# include <openssl/dsa.h>
#endif
#ifndef OPENSSL_NO_FP_API
int X509_REQ_print_fp(FILE *fp, X509_REQ *x)
{
BIO *b;
int ret;
if ((b = BIO_new(BIO_s_file())) == NULL) {
X509err(X509_F_X509_REQ_PRINT_FP, ERR_R_BUF_LIB);
return (0);
}
BIO_set_fp(b, fp, BIO_NOCLOSE);
ret = X509_REQ_print(b, x);
BIO_free(b);
return (ret);
}
#endif
int X509_REQ_print_ex(BIO *bp, X509_REQ *x, unsigned long nmflags,
unsigned long cflag)
{
unsigned long l;
int i;
const char *neg;
X509_REQ_INFO *ri;
EVP_PKEY *pkey;
STACK_OF(X509_ATTRIBUTE) *sk;
STACK_OF(X509_EXTENSION) *exts;
char mlch = ' ';
int nmindent = 0;
if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
mlch = '\n';
nmindent = 12;
}
if (nmflags == X509_FLAG_COMPAT)
nmindent = 16;
ri = x->req_info;
if (!(cflag & X509_FLAG_NO_HEADER)) {
if (BIO_write(bp, "Certificate Request:\n", 21) <= 0)
goto err;
if (BIO_write(bp, " Data:\n", 10) <= 0)
goto err;
}
if (!(cflag & X509_FLAG_NO_VERSION)) {
neg = (ri->version->type == V_ASN1_NEG_INTEGER) ? "-" : "";
l = 0;
for (i = 0; i < ri->version->length; i++) {
l <<= 8;
l += ri->version->data[i];
}
if (BIO_printf(bp, "%8sVersion: %s%lu (%s0x%lx)\n", "", neg, l, neg,
l) <= 0)
goto err;
}
if (!(cflag & X509_FLAG_NO_SUBJECT)) {
if (BIO_printf(bp, " Subject:%c", mlch) <= 0)
goto err;
if (X509_NAME_print_ex(bp, ri->subject, nmindent, nmflags) < 0)
goto err;
if (BIO_write(bp, "\n", 1) <= 0)
goto err;
}
if (!(cflag & X509_FLAG_NO_PUBKEY)) {
if (BIO_write(bp, " Subject Public Key Info:\n", 33) <= 0)
goto err;
if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0)
goto err;
if (i2a_ASN1_OBJECT(bp, ri->pubkey->algor->algorithm) <= 0)
goto err;
if (BIO_puts(bp, "\n") <= 0)
goto err;
pkey = X509_REQ_get_pubkey(x);
if (pkey == NULL) {
BIO_printf(bp, "%12sUnable to load Public Key\n", "");
ERR_print_errors(bp);
} else {
EVP_PKEY_print_public(bp, pkey, 16, NULL);
EVP_PKEY_free(pkey);
}
}
if (!(cflag & X509_FLAG_NO_ATTRIBUTES)) {
/* may not be */
if (BIO_printf(bp, "%8sAttributes:\n", "") <= 0)
goto err;
sk = x->req_info->attributes;
if (sk_X509_ATTRIBUTE_num(sk) == 0) {
if (BIO_printf(bp, "%12sa0:00\n", "") <= 0)
goto err;
} else {
for (i = 0; i < sk_X509_ATTRIBUTE_num(sk); i++) {
ASN1_TYPE *at;
X509_ATTRIBUTE *a;
ASN1_BIT_STRING *bs = NULL;
ASN1_TYPE *t;
int j, type = 0, count = 1, ii = 0;
a = sk_X509_ATTRIBUTE_value(sk, i);
if (X509_REQ_extension_nid(OBJ_obj2nid(a->object)))
continue;
if (BIO_printf(bp, "%12s", "") <= 0)
goto err;
if ((j = i2a_ASN1_OBJECT(bp, a->object)) > 0) {
if (a->single) {
t = a->value.single;
type = t->type;
bs = t->value.bit_string;
} else {
ii = 0;
count = sk_ASN1_TYPE_num(a->value.set);
get_next:
at = sk_ASN1_TYPE_value(a->value.set, ii);
type = at->type;
bs = at->value.asn1_string;
}
}
for (j = 25 - j; j > 0; j--)
if (BIO_write(bp, " ", 1) != 1)
goto err;
if (BIO_puts(bp, ":") <= 0)
goto err;
if ((type == V_ASN1_PRINTABLESTRING) ||
(type == V_ASN1_UTF8STRING) ||
(type == V_ASN1_T61STRING) ||
(type == V_ASN1_IA5STRING)) {
if (BIO_write(bp, (char *)bs->data, bs->length)
!= bs->length)
goto err;
BIO_puts(bp, "\n");
} else {
BIO_puts(bp, "unable to print attribute\n");
}
if (++ii < count)
goto get_next;
}
}
}
if (!(cflag & X509_FLAG_NO_EXTENSIONS)) {
exts = X509_REQ_get_extensions(x);
if (exts) {
BIO_printf(bp, "%8sRequested Extensions:\n", "");
for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
ASN1_OBJECT *obj;
X509_EXTENSION *ex;
int j;
ex = sk_X509_EXTENSION_value(exts, i);
if (BIO_printf(bp, "%12s", "") <= 0)
goto err;
obj = X509_EXTENSION_get_object(ex);
i2a_ASN1_OBJECT(bp, obj);
j = X509_EXTENSION_get_critical(ex);
if (BIO_printf(bp, ": %s\n", j ? "critical" : "") <= 0)
goto err;
if (!X509V3_EXT_print(bp, ex, cflag, 16)) {
BIO_printf(bp, "%16s", "");
M_ASN1_OCTET_STRING_print(bp, ex->value);
}
if (BIO_write(bp, "\n", 1) <= 0)
goto err;
}
sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
}
}
if (!(cflag & X509_FLAG_NO_SIGDUMP)) {
if (!X509_signature_print(bp, x->sig_alg, x->signature))
goto err;
}
return (1);
err:
X509err(X509_F_X509_REQ_PRINT_EX, ERR_R_BUF_LIB);
return (0);
}
int X509_REQ_print(BIO *bp, X509_REQ *x)
{
return X509_REQ_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
}