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(BIO_s_file()); 69 if (bio == NULL) { 70 OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB); 71 return 0; 72 } 73 74 BIO_set_fp(bio, fp, BIO_NOCLOSE); 75 int ret = X509_REQ_print(bio, x); 76 BIO_free(bio); 77 return ret; 78 } 79 80 int X509_REQ_print_ex(BIO *bio, X509_REQ *x, unsigned long nmflags, 81 unsigned long cflag) { 82 long l; 83 EVP_PKEY *pkey; 84 STACK_OF(X509_ATTRIBUTE) * sk; 85 char mlch = ' '; 86 87 int nmindent = 0; 88 89 if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) { 90 mlch = '\n'; 91 nmindent = 12; 92 } 93 94 if (nmflags == X509_FLAG_COMPAT) { 95 nmindent = 16; 96 } 97 98 X509_REQ_INFO *ri = x->req_info; 99 if (!(cflag & X509_FLAG_NO_HEADER)) { 100 if (BIO_write(bio, "Certificate Request:\n", 21) <= 0 || 101 BIO_write(bio, " Data:\n", 10) <= 0) { 102 goto err; 103 } 104 } 105 if (!(cflag & X509_FLAG_NO_VERSION)) { 106 l = X509_REQ_get_version(x); 107 if (BIO_printf(bio, "%8sVersion: %ld (0x%lx)\n", "", l + 1, l) <= 0) { 108 goto err; 109 } 110 } 111 if (!(cflag & X509_FLAG_NO_SUBJECT)) { 112 if (BIO_printf(bio, " Subject:%c", mlch) <= 0 || 113 X509_NAME_print_ex(bio, ri->subject, nmindent, nmflags) < 0 || 114 BIO_write(bio, "\n", 1) <= 0) { 115 goto err; 116 } 117 } 118 if (!(cflag & X509_FLAG_NO_PUBKEY)) { 119 if (BIO_write(bio, " Subject Public Key Info:\n", 33) <= 0 || 120 BIO_printf(bio, "%12sPublic Key Algorithm: ", "") <= 0 || 121 i2a_ASN1_OBJECT(bio, ri->pubkey->algor->algorithm) <= 0 || 122 BIO_puts(bio, "\n") <= 0) { 123 goto err; 124 } 125 126 pkey = X509_REQ_get_pubkey(x); 127 if (pkey == NULL) { 128 BIO_printf(bio, "%12sUnable to load Public Key\n", ""); 129 ERR_print_errors(bio); 130 } else { 131 EVP_PKEY_print_public(bio, pkey, 16, NULL); 132 EVP_PKEY_free(pkey); 133 } 134 } 135 136 if (!(cflag & X509_FLAG_NO_ATTRIBUTES)) { 137 if (BIO_printf(bio, "%8sAttributes:\n", "") <= 0) { 138 goto err; 139 } 140 141 sk = x->req_info->attributes; 142 if (sk_X509_ATTRIBUTE_num(sk) == 0) { 143 if (BIO_printf(bio, "%12sa0:00\n", "") <= 0) { 144 goto err; 145 } 146 } else { 147 size_t i; 148 for (i = 0; i < sk_X509_ATTRIBUTE_num(sk); i++) { 149 X509_ATTRIBUTE *a = sk_X509_ATTRIBUTE_value(sk, i); 150 ASN1_OBJECT *aobj = X509_ATTRIBUTE_get0_object(a); 151 152 if (X509_REQ_extension_nid(OBJ_obj2nid(aobj))) { 153 continue; 154 } 155 156 if (BIO_printf(bio, "%12s", "") <= 0) { 157 goto err; 158 } 159 160 const int num_attrs = X509_ATTRIBUTE_count(a); 161 const int obj_str_len = i2a_ASN1_OBJECT(bio, aobj); 162 if (obj_str_len <= 0) { 163 if (BIO_puts(bio, "(Unable to print attribute ID.)\n") < 0) { 164 goto err; 165 } else { 166 continue; 167 } 168 } 169 170 int j; 171 for (j = 0; j < num_attrs; j++) { 172 const ASN1_TYPE *at = X509_ATTRIBUTE_get0_type(a, j); 173 const int type = at->type; 174 ASN1_BIT_STRING *bs = at->value.asn1_string; 175 176 int k; 177 for (k = 25 - obj_str_len; k > 0; k--) { 178 if (BIO_write(bio, " ", 1) != 1) { 179 goto err; 180 } 181 } 182 183 if (BIO_puts(bio, ":") <= 0) { 184 goto err; 185 } 186 187 if (type == V_ASN1_PRINTABLESTRING || 188 type == V_ASN1_UTF8STRING || 189 type == V_ASN1_IA5STRING || 190 type == V_ASN1_T61STRING) { 191 if (BIO_write(bio, (char *)bs->data, bs->length) != bs->length) { 192 goto err; 193 } 194 BIO_puts(bio, "\n"); 195 } else { 196 BIO_puts(bio, "unable to print attribute\n"); 197 } 198 } 199 } 200 } 201 } 202 203 if (!(cflag & X509_FLAG_NO_EXTENSIONS)) { 204 STACK_OF(X509_EXTENSION) *exts = X509_REQ_get_extensions(x); 205 if (exts) { 206 BIO_printf(bio, "%8sRequested Extensions:\n", ""); 207 208 size_t i; 209 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) { 210 X509_EXTENSION *ex = sk_X509_EXTENSION_value(exts, i); 211 if (BIO_printf(bio, "%12s", "") <= 0) { 212 goto err; 213 } 214 ASN1_OBJECT *obj = X509_EXTENSION_get_object(ex); 215 i2a_ASN1_OBJECT(bio, obj); 216 const int is_critical = X509_EXTENSION_get_critical(ex); 217 if (BIO_printf(bio, ": %s\n", is_critical ? "critical" : "") <= 0) { 218 goto err; 219 } 220 if (!X509V3_EXT_print(bio, ex, cflag, 16)) { 221 BIO_printf(bio, "%16s", ""); 222 ASN1_STRING_print(bio, X509_EXTENSION_get_data(ex)); 223 } 224 if (BIO_write(bio, "\n", 1) <= 0) { 225 goto err; 226 } 227 } 228 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free); 229 } 230 } 231 232 if (!(cflag & X509_FLAG_NO_SIGDUMP) && 233 !X509_signature_print(bio, x->sig_alg, x->signature)) { 234 goto err; 235 } 236 237 return 1; 238 239 err: 240 OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB); 241 return 0; 242 } 243 244 int X509_REQ_print(BIO *bio, X509_REQ *req) { 245 return X509_REQ_print_ex(bio, req, XN_FLAG_COMPAT, X509_FLAG_COMPAT); 246 } 247
