/* 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 <openssl/bn.h>
#include <openssl/buffer.h>
#include <openssl/err.h>
#include <openssl/objects.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
int X509_REQ_print_fp(FILE *fp, X509_REQ *x) {
BIO *bio = BIO_new(BIO_s_file());
if (bio == NULL) {
OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB);
return 0;
}
BIO_set_fp(bio, fp, BIO_NOCLOSE);
int ret = X509_REQ_print(bio, x);
BIO_free(bio);
return ret;
}
int X509_REQ_print_ex(BIO *bio, X509_REQ *x, unsigned long nmflags,
unsigned long cflag) {
long l;
EVP_PKEY *pkey;
STACK_OF(X509_ATTRIBUTE) * sk;
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;
}
X509_REQ_INFO *ri = x->req_info;
if (!(cflag & X509_FLAG_NO_HEADER)) {
if (BIO_write(bio, "Certificate Request:\n", 21) <= 0 ||
BIO_write(bio, " Data:\n", 10) <= 0) {
goto err;
}
}
if (!(cflag & X509_FLAG_NO_VERSION)) {
l = X509_REQ_get_version(x);
if (BIO_printf(bio, "%8sVersion: %ld (0x%lx)\n", "", l + 1, l) <= 0) {
goto err;
}
}
if (!(cflag & X509_FLAG_NO_SUBJECT)) {
if (BIO_printf(bio, " Subject:%c", mlch) <= 0 ||
X509_NAME_print_ex(bio, ri->subject, nmindent, nmflags) < 0 ||
BIO_write(bio, "\n", 1) <= 0) {
goto err;
}
}
if (!(cflag & X509_FLAG_NO_PUBKEY)) {
if (BIO_write(bio, " Subject Public Key Info:\n", 33) <= 0 ||
BIO_printf(bio, "%12sPublic Key Algorithm: ", "") <= 0 ||
i2a_ASN1_OBJECT(bio, ri->pubkey->algor->algorithm) <= 0 ||
BIO_puts(bio, "\n") <= 0) {
goto err;
}
pkey = X509_REQ_get_pubkey(x);
if (pkey == NULL) {
BIO_printf(bio, "%12sUnable to load Public Key\n", "");
ERR_print_errors(bio);
} else {
EVP_PKEY_print_public(bio, pkey, 16, NULL);
EVP_PKEY_free(pkey);
}
}
if (!(cflag & X509_FLAG_NO_ATTRIBUTES)) {
if (BIO_printf(bio, "%8sAttributes:\n", "") <= 0) {
goto err;
}
sk = x->req_info->attributes;
if (sk_X509_ATTRIBUTE_num(sk) == 0) {
if (BIO_printf(bio, "%12sa0:00\n", "") <= 0) {
goto err;
}
} else {
size_t i;
for (i = 0; i < sk_X509_ATTRIBUTE_num(sk); i++) {
X509_ATTRIBUTE *a = sk_X509_ATTRIBUTE_value(sk, i);
ASN1_OBJECT *aobj = X509_ATTRIBUTE_get0_object(a);
if (X509_REQ_extension_nid(OBJ_obj2nid(aobj))) {
continue;
}
if (BIO_printf(bio, "%12s", "") <= 0) {
goto err;
}
const int num_attrs = X509_ATTRIBUTE_count(a);
const int obj_str_len = i2a_ASN1_OBJECT(bio, aobj);
if (obj_str_len <= 0) {
if (BIO_puts(bio, "(Unable to print attribute ID.)\n") < 0) {
goto err;
} else {
continue;
}
}
int j;
for (j = 0; j < num_attrs; j++) {
const ASN1_TYPE *at = X509_ATTRIBUTE_get0_type(a, j);
const int type = at->type;
ASN1_BIT_STRING *bs = at->value.asn1_string;
int k;
for (k = 25 - obj_str_len; k > 0; k--) {
if (BIO_write(bio, " ", 1) != 1) {
goto err;
}
}
if (BIO_puts(bio, ":") <= 0) {
goto err;
}
if (type == V_ASN1_PRINTABLESTRING ||
type == V_ASN1_UTF8STRING ||
type == V_ASN1_IA5STRING ||
type == V_ASN1_T61STRING) {
if (BIO_write(bio, (char *)bs->data, bs->length) != bs->length) {
goto err;
}
BIO_puts(bio, "\n");
} else {
BIO_puts(bio, "unable to print attribute\n");
}
}
}
}
}
if (!(cflag & X509_FLAG_NO_EXTENSIONS)) {
STACK_OF(X509_EXTENSION) *exts = X509_REQ_get_extensions(x);
if (exts) {
BIO_printf(bio, "%8sRequested Extensions:\n", "");
size_t i;
for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
X509_EXTENSION *ex = sk_X509_EXTENSION_value(exts, i);
if (BIO_printf(bio, "%12s", "") <= 0) {
goto err;
}
ASN1_OBJECT *obj = X509_EXTENSION_get_object(ex);
i2a_ASN1_OBJECT(bio, obj);
const int is_critical = X509_EXTENSION_get_critical(ex);
if (BIO_printf(bio, ": %s\n", is_critical ? "critical" : "") <= 0) {
goto err;
}
if (!X509V3_EXT_print(bio, ex, cflag, 16)) {
BIO_printf(bio, "%16s", "");
ASN1_STRING_print(bio, X509_EXTENSION_get_data(ex));
}
if (BIO_write(bio, "\n", 1) <= 0) {
goto err;
}
}
sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
}
}
if (!(cflag & X509_FLAG_NO_SIGDUMP) &&
!X509_signature_print(bio, x->sig_alg, x->signature)) {
goto err;
}
return 1;
err:
OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB);
return 0;
}
int X509_REQ_print(BIO *bio, X509_REQ *req) {
return X509_REQ_print_ex(bio, req, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
}