1 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com) 2 * All rights reserved. 3 * 4 * This package is an SSL implementation written 5 * by Eric Young (eay (at) cryptsoft.com). 6 * The implementation was written so as to conform with Netscapes SSL. 7 * 8 * This library is free for commercial and non-commercial use as long as 9 * the following conditions are aheared to. The following conditions 10 * apply to all code found in this distribution, be it the RC4, RSA, 11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 12 * included with this distribution is covered by the same copyright terms 13 * except that the holder is Tim Hudson (tjh (at) cryptsoft.com). 14 * 15 * Copyright remains Eric Young's, and as such any Copyright notices in 16 * the code are not to be removed. 17 * If this package is used in a product, Eric Young should be given attribution 18 * as the author of the parts of the library used. 19 * This can be in the form of a textual message at program startup or 20 * in documentation (online or textual) provided with the package. 21 * 22 * Redistribution and use in source and binary forms, with or without 23 * modification, are permitted provided that the following conditions 24 * are met: 25 * 1. Redistributions of source code must retain the copyright 26 * notice, this list of conditions and the following disclaimer. 27 * 2. Redistributions in binary form must reproduce the above copyright 28 * notice, this list of conditions and the following disclaimer in the 29 * documentation and/or other materials provided with the distribution. 30 * 3. All advertising materials mentioning features or use of this software 31 * must display the following acknowledgement: 32 * "This product includes cryptographic software written by 33 * Eric Young (eay (at) cryptsoft.com)" 34 * The word 'cryptographic' can be left out if the rouines from the library 35 * being used are not cryptographic related :-). 36 * 4. If you include any Windows specific code (or a derivative thereof) from 37 * the apps directory (application code) you must include an acknowledgement: 38 * "This product includes software written by Tim Hudson (tjh (at) cryptsoft.com)" 39 * 40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 50 * SUCH DAMAGE. 51 * 52 * The licence and distribution terms for any publically available version or 53 * derivative of this code cannot be changed. i.e. this code cannot simply be 54 * copied and put under another distribution licence 55 * [including the GNU Public Licence.] */ 56 57 #include <stdio.h> 58 59 #include <openssl/bn.h> 60 #include <openssl/buffer.h> 61 #include <openssl/err.h> 62 #include <openssl/objects.h> 63 #include <openssl/x509.h> 64 #include <openssl/x509v3.h> 65 66 67 int X509_REQ_print_fp(FILE *fp, X509_REQ *x) { 68 BIO *bio = BIO_new_fp(fp, BIO_NOCLOSE); 69 if (bio == NULL) { 70 OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB); 71 return 0; 72 } 73 int ret = X509_REQ_print(bio, x); 74 BIO_free(bio); 75 return ret; 76 } 77 78 int X509_REQ_print_ex(BIO *bio, X509_REQ *x, unsigned long nmflags, 79 unsigned long cflag) { 80 long l; 81 EVP_PKEY *pkey; 82 STACK_OF(X509_ATTRIBUTE) * sk; 83 char mlch = ' '; 84 85 int nmindent = 0; 86 87 if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) { 88 mlch = '\n'; 89 nmindent = 12; 90 } 91 92 if (nmflags == X509_FLAG_COMPAT) { 93 nmindent = 16; 94 } 95 96 X509_REQ_INFO *ri = x->req_info; 97 if (!(cflag & X509_FLAG_NO_HEADER)) { 98 if (BIO_write(bio, "Certificate Request:\n", 21) <= 0 || 99 BIO_write(bio, " Data:\n", 10) <= 0) { 100 goto err; 101 } 102 } 103 if (!(cflag & X509_FLAG_NO_VERSION)) { 104 l = X509_REQ_get_version(x); 105 if (BIO_printf(bio, "%8sVersion: %ld (0x%lx)\n", "", l + 1, l) <= 0) { 106 goto err; 107 } 108 } 109 if (!(cflag & X509_FLAG_NO_SUBJECT)) { 110 if (BIO_printf(bio, " Subject:%c", mlch) <= 0 || 111 X509_NAME_print_ex(bio, ri->subject, nmindent, nmflags) < 0 || 112 BIO_write(bio, "\n", 1) <= 0) { 113 goto err; 114 } 115 } 116 if (!(cflag & X509_FLAG_NO_PUBKEY)) { 117 if (BIO_write(bio, " Subject Public Key Info:\n", 33) <= 0 || 118 BIO_printf(bio, "%12sPublic Key Algorithm: ", "") <= 0 || 119 i2a_ASN1_OBJECT(bio, ri->pubkey->algor->algorithm) <= 0 || 120 BIO_puts(bio, "\n") <= 0) { 121 goto err; 122 } 123 124 pkey = X509_REQ_get_pubkey(x); 125 if (pkey == NULL) { 126 BIO_printf(bio, "%12sUnable to load Public Key\n", ""); 127 ERR_print_errors(bio); 128 } else { 129 EVP_PKEY_print_public(bio, pkey, 16, NULL); 130 EVP_PKEY_free(pkey); 131 } 132 } 133 134 if (!(cflag & X509_FLAG_NO_ATTRIBUTES)) { 135 if (BIO_printf(bio, "%8sAttributes:\n", "") <= 0) { 136 goto err; 137 } 138 139 sk = x->req_info->attributes; 140 if (sk_X509_ATTRIBUTE_num(sk) == 0) { 141 if (BIO_printf(bio, "%12sa0:00\n", "") <= 0) { 142 goto err; 143 } 144 } else { 145 size_t i; 146 for (i = 0; i < sk_X509_ATTRIBUTE_num(sk); i++) { 147 X509_ATTRIBUTE *a = sk_X509_ATTRIBUTE_value(sk, i); 148 ASN1_OBJECT *aobj = X509_ATTRIBUTE_get0_object(a); 149 150 if (X509_REQ_extension_nid(OBJ_obj2nid(aobj))) { 151 continue; 152 } 153 154 if (BIO_printf(bio, "%12s", "") <= 0) { 155 goto err; 156 } 157 158 const int num_attrs = X509_ATTRIBUTE_count(a); 159 const int obj_str_len = i2a_ASN1_OBJECT(bio, aobj); 160 if (obj_str_len <= 0) { 161 if (BIO_puts(bio, "(Unable to print attribute ID.)\n") < 0) { 162 goto err; 163 } else { 164 continue; 165 } 166 } 167 168 int j; 169 for (j = 0; j < num_attrs; j++) { 170 const ASN1_TYPE *at = X509_ATTRIBUTE_get0_type(a, j); 171 const int type = at->type; 172 ASN1_BIT_STRING *bs = at->value.asn1_string; 173 174 int k; 175 for (k = 25 - obj_str_len; k > 0; k--) { 176 if (BIO_write(bio, " ", 1) != 1) { 177 goto err; 178 } 179 } 180 181 if (BIO_puts(bio, ":") <= 0) { 182 goto err; 183 } 184 185 if (type == V_ASN1_PRINTABLESTRING || 186 type == V_ASN1_UTF8STRING || 187 type == V_ASN1_IA5STRING || 188 type == V_ASN1_T61STRING) { 189 if (BIO_write(bio, (char *)bs->data, bs->length) != bs->length) { 190 goto err; 191 } 192 BIO_puts(bio, "\n"); 193 } else { 194 BIO_puts(bio, "unable to print attribute\n"); 195 } 196 } 197 } 198 } 199 } 200 201 if (!(cflag & X509_FLAG_NO_EXTENSIONS)) { 202 STACK_OF(X509_EXTENSION) *exts = X509_REQ_get_extensions(x); 203 if (exts) { 204 BIO_printf(bio, "%8sRequested Extensions:\n", ""); 205 206 size_t i; 207 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) { 208 X509_EXTENSION *ex = sk_X509_EXTENSION_value(exts, i); 209 if (BIO_printf(bio, "%12s", "") <= 0) { 210 goto err; 211 } 212 ASN1_OBJECT *obj = X509_EXTENSION_get_object(ex); 213 i2a_ASN1_OBJECT(bio, obj); 214 const int is_critical = X509_EXTENSION_get_critical(ex); 215 if (BIO_printf(bio, ": %s\n", is_critical ? "critical" : "") <= 0) { 216 goto err; 217 } 218 if (!X509V3_EXT_print(bio, ex, cflag, 16)) { 219 BIO_printf(bio, "%16s", ""); 220 ASN1_STRING_print(bio, X509_EXTENSION_get_data(ex)); 221 } 222 if (BIO_write(bio, "\n", 1) <= 0) { 223 goto err; 224 } 225 } 226 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free); 227 } 228 } 229 230 if (!(cflag & X509_FLAG_NO_SIGDUMP) && 231 !X509_signature_print(bio, x->sig_alg, x->signature)) { 232 goto err; 233 } 234 235 return 1; 236 237 err: 238 OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB); 239 return 0; 240 } 241 242 int X509_REQ_print(BIO *bio, X509_REQ *req) { 243 return X509_REQ_print_ex(bio, req, XN_FLAG_COMPAT, X509_FLAG_COMPAT); 244 } 245
