1 /* crypto/asn1/t_req.c */ 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 59 #include <stdio.h> 60 #include "cryptlib.h" 61 #include <openssl/buffer.h> 62 #include <openssl/bn.h> 63 #include <openssl/objects.h> 64 #include <openssl/x509.h> 65 #include <openssl/x509v3.h> 66 67 #ifndef OPENSSL_NO_FP_API 68 int X509_REQ_print_fp(FILE *fp, X509_REQ *x) 69 { 70 BIO *b; 71 int ret; 72 73 if ((b=BIO_new(BIO_s_file())) == NULL) 74 { 75 X509err(X509_F_X509_REQ_PRINT_FP,ERR_R_BUF_LIB); 76 return(0); 77 } 78 BIO_set_fp(b,fp,BIO_NOCLOSE); 79 ret=X509_REQ_print(b, x); 80 BIO_free(b); 81 return(ret); 82 } 83 #endif 84 85 int X509_REQ_print_ex(BIO *bp, X509_REQ *x, unsigned long nmflags, unsigned long cflag) 86 { 87 unsigned long l; 88 int i; 89 const char *neg; 90 X509_REQ_INFO *ri; 91 EVP_PKEY *pkey; 92 STACK_OF(X509_ATTRIBUTE) *sk; 93 STACK_OF(X509_EXTENSION) *exts; 94 char str[128]; 95 char mlch = ' '; 96 int nmindent = 0; 97 98 if((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) { 99 mlch = '\n'; 100 nmindent = 12; 101 } 102 103 if(nmflags == X509_FLAG_COMPAT) 104 nmindent = 16; 105 106 107 ri=x->req_info; 108 if(!(cflag & X509_FLAG_NO_HEADER)) 109 { 110 if (BIO_write(bp,"Certificate Request:\n",21) <= 0) goto err; 111 if (BIO_write(bp," Data:\n",10) <= 0) goto err; 112 } 113 if(!(cflag & X509_FLAG_NO_VERSION)) 114 { 115 neg=(ri->version->type == V_ASN1_NEG_INTEGER)?"-":""; 116 l=0; 117 for (i=0; i<ri->version->length; i++) 118 { l<<=8; l+=ri->version->data[i]; } 119 snprintf(str,sizeof str,"%8sVersion: %s%lu (%s0x%lx)\n","",neg, 120 l,neg,l); 121 if (BIO_puts(bp,str) <= 0) goto err; 122 } 123 if(!(cflag & X509_FLAG_NO_SUBJECT)) 124 { 125 if (BIO_printf(bp," Subject:%c",mlch) <= 0) goto err; 126 if (X509_NAME_print_ex(bp,ri->subject,nmindent, nmflags) < 0) goto err; 127 if (BIO_write(bp,"\n",1) <= 0) goto err; 128 } 129 if(!(cflag & X509_FLAG_NO_PUBKEY)) 130 { 131 if (BIO_write(bp," Subject Public Key Info:\n",33) <= 0) 132 goto err; 133 if (BIO_printf(bp,"%12sPublic Key Algorithm: ","") <= 0) 134 goto err; 135 if (i2a_ASN1_OBJECT(bp, ri->pubkey->algor->algorithm) <= 0) 136 goto err; 137 if (BIO_puts(bp, "\n") <= 0) 138 goto err; 139 140 pkey=X509_REQ_get_pubkey(x); 141 if (pkey == NULL) 142 { 143 BIO_printf(bp,"%12sUnable to load Public Key\n",""); 144 ERR_print_errors(bp); 145 } 146 else 147 #ifndef OPENSSL_NO_RSA 148 if (pkey->type == EVP_PKEY_RSA) 149 { 150 BIO_printf(bp,"%12sRSA Public Key: (%d bit)\n","", 151 BN_num_bits(pkey->pkey.rsa->n)); 152 RSA_print(bp,pkey->pkey.rsa,16); 153 } 154 else 155 #endif 156 #ifndef OPENSSL_NO_DSA 157 if (pkey->type == EVP_PKEY_DSA) 158 { 159 BIO_printf(bp,"%12sDSA Public Key:\n",""); 160 DSA_print(bp,pkey->pkey.dsa,16); 161 } 162 else 163 #endif 164 BIO_printf(bp,"%12sUnknown Public Key:\n",""); 165 166 EVP_PKEY_free(pkey); 167 } 168 169 if(!(cflag & X509_FLAG_NO_ATTRIBUTES)) 170 { 171 /* may not be */ 172 snprintf(str,sizeof str,"%8sAttributes:\n",""); 173 if (BIO_puts(bp,str) <= 0) goto err; 174 175 sk=x->req_info->attributes; 176 if (sk_X509_ATTRIBUTE_num(sk) == 0) 177 { 178 snprintf(str,sizeof str,"%12sa0:00\n",""); 179 if (BIO_puts(bp,str) <= 0) goto err; 180 } 181 else 182 { 183 for (i=0; i<sk_X509_ATTRIBUTE_num(sk); i++) 184 { 185 ASN1_TYPE *at; 186 X509_ATTRIBUTE *a; 187 ASN1_BIT_STRING *bs=NULL; 188 ASN1_TYPE *t; 189 int j,type=0,count=1,ii=0; 190 191 a=sk_X509_ATTRIBUTE_value(sk,i); 192 if(X509_REQ_extension_nid(OBJ_obj2nid(a->object))) 193 continue; 194 snprintf(str,sizeof str,"%12s",""); 195 if (BIO_puts(bp,str) <= 0) goto err; 196 if ((j=i2a_ASN1_OBJECT(bp,a->object)) > 0) 197 { 198 if (a->single) 199 { 200 t=a->value.single; 201 type=t->type; 202 bs=t->value.bit_string; 203 } 204 else 205 { 206 ii=0; 207 count=sk_ASN1_TYPE_num(a->value.set); 208 get_next: 209 at=sk_ASN1_TYPE_value(a->value.set,ii); 210 type=at->type; 211 bs=at->value.asn1_string; 212 } 213 } 214 for (j=25-j; j>0; j--) 215 if (BIO_write(bp," ",1) != 1) goto err; 216 if (BIO_puts(bp,":") <= 0) goto err; 217 if ( (type == V_ASN1_PRINTABLESTRING) || 218 (type == V_ASN1_T61STRING) || 219 (type == V_ASN1_IA5STRING)) 220 { 221 if (BIO_write(bp,(char *)bs->data,bs->length) 222 != bs->length) 223 goto err; 224 BIO_puts(bp,"\n"); 225 } 226 else 227 { 228 BIO_puts(bp,"unable to print attribute\n"); 229 } 230 if (++ii < count) goto get_next; 231 } 232 } 233 } 234 if(!(cflag & X509_FLAG_NO_ATTRIBUTES)) 235 { 236 exts = X509_REQ_get_extensions(x); 237 if(exts) 238 { 239 BIO_printf(bp,"%8sRequested Extensions:\n",""); 240 for (i=0; i<sk_X509_EXTENSION_num(exts); i++) 241 { 242 ASN1_OBJECT *obj; 243 X509_EXTENSION *ex; 244 int j; 245 ex=sk_X509_EXTENSION_value(exts, i); 246 if (BIO_printf(bp,"%12s","") <= 0) goto err; 247 obj=X509_EXTENSION_get_object(ex); 248 i2a_ASN1_OBJECT(bp,obj); 249 j=X509_EXTENSION_get_critical(ex); 250 if (BIO_printf(bp,": %s\n",j?"critical":"","") <= 0) 251 goto err; 252 if(!X509V3_EXT_print(bp, ex, 0, 16)) 253 { 254 BIO_printf(bp, "%16s", ""); 255 M_ASN1_OCTET_STRING_print(bp,ex->value); 256 } 257 if (BIO_write(bp,"\n",1) <= 0) goto err; 258 } 259 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free); 260 } 261 } 262 263 if(!(cflag & X509_FLAG_NO_SIGDUMP)) 264 { 265 if(!X509_signature_print(bp, x->sig_alg, x->signature)) goto err; 266 } 267 268 return(1); 269 err: 270 X509err(X509_F_X509_REQ_PRINT,ERR_R_BUF_LIB); 271 return(0); 272 } 273 274 int X509_REQ_print(BIO *bp, X509_REQ *x) 275 { 276 return X509_REQ_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT); 277 } 278