|  | /* 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 <assert.h> | 
|  | #include <stdio.h> | 
|  |  | 
|  | #include <openssl/bn.h> | 
|  | #include <openssl/buffer.h> | 
|  | #include <openssl/err.h> | 
|  | #include <openssl/objects.h> | 
|  | #include <openssl/x509.h> | 
|  |  | 
|  | #include "internal.h" | 
|  |  | 
|  |  | 
|  | int X509_REQ_print_fp(FILE *fp, X509_REQ *x) { | 
|  | BIO *bio = BIO_new_fp(fp, BIO_NOCLOSE); | 
|  | if (bio == NULL) { | 
|  | OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB); | 
|  | return 0; | 
|  | } | 
|  | 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; | 
|  | 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); | 
|  | // Only zero, |X509_REQ_VERSION_1|, is valid but our parser accepts some | 
|  | // invalid values for compatibility. | 
|  | assert(0 <= l && l <= 2); | 
|  | if (BIO_printf(bio, "%8sVersion: %ld (0x%lx)\n", "", l + 1, | 
|  | (unsigned long)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; | 
|  | } | 
|  |  | 
|  | const EVP_PKEY *pkey = X509_REQ_get0_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); | 
|  | } | 
|  | } | 
|  |  | 
|  | 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", ""); | 
|  |  | 
|  | for (size_t i = 0; i < sk_X509_EXTENSION_num(exts); i++) { | 
|  | const X509_EXTENSION *ex = sk_X509_EXTENSION_value(exts, i); | 
|  | if (BIO_printf(bio, "%12s", "") <= 0) { | 
|  | goto err; | 
|  | } | 
|  | const 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); | 
|  | } |