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 #ifndef OPENSSL_NO_RSA 67 #include <openssl/rsa.h> 68 #endif 69 #ifndef OPENSSL_NO_DSA 70 #include <openssl/dsa.h> 71 #endif 72 73 #ifndef OPENSSL_NO_FP_API 74 int X509_REQ_print_fp(FILE *fp, X509_REQ *x) 75 { 76 BIO *b; 77 int ret; 78 79 if ((b=BIO_new(BIO_s_file())) == NULL) { 80 X509err(X509_F_X509_REQ_PRINT_FP,ERR_R_BUF_LIB); 81 return(0); 82 } 83 BIO_set_fp(b,fp,BIO_NOCLOSE); 84 ret=X509_REQ_print(b, x); 85 BIO_free(b); 86 return(ret); 87 } 88 #endif 89 90 int X509_REQ_print_ex(BIO *bp, X509_REQ *x, unsigned long nmflags, unsigned long cflag) 91 { 92 unsigned long l; 93 int i; 94 const char *neg; 95 X509_REQ_INFO *ri; 96 EVP_PKEY *pkey; 97 STACK_OF(X509_ATTRIBUTE) *sk; 98 STACK_OF(X509_EXTENSION) *exts; 99 char mlch = ' '; 100 int nmindent = 0; 101 102 if((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) { 103 mlch = '\n'; 104 nmindent = 12; 105 } 106 107 if(nmflags == X509_FLAG_COMPAT) 108 nmindent = 16; 109 110 111 ri=x->req_info; 112 if(!(cflag & X509_FLAG_NO_HEADER)) { 113 if (BIO_write(bp,"Certificate Request:\n",21) <= 0) goto err; 114 if (BIO_write(bp," Data:\n",10) <= 0) goto err; 115 } 116 if(!(cflag & X509_FLAG_NO_VERSION)) { 117 neg=(ri->version->type == V_ASN1_NEG_INTEGER)?"-":""; 118 l=0; 119 for (i=0; i<ri->version->length; i++) { 120 l<<=8; l+=ri->version->data[i]; 121 } 122 if(BIO_printf(bp,"%8sVersion: %s%lu (%s0x%lx)\n","",neg,l,neg, 123 l) <= 0) 124 goto err; 125 } 126 if(!(cflag & X509_FLAG_NO_SUBJECT)) 127 { 128 if (BIO_printf(bp," Subject:%c",mlch) <= 0) goto err; 129 if (X509_NAME_print_ex(bp,ri->subject,nmindent, nmflags) < 0) goto err; 130 if (BIO_write(bp,"\n",1) <= 0) goto err; 131 } 132 if(!(cflag & X509_FLAG_NO_PUBKEY)) { 133 if (BIO_write(bp," Subject Public Key Info:\n",33) <= 0) 134 goto err; 135 if (BIO_printf(bp,"%12sPublic Key Algorithm: ","") <= 0) 136 goto err; 137 if (i2a_ASN1_OBJECT(bp, ri->pubkey->algor->algorithm) <= 0) 138 goto err; 139 if (BIO_puts(bp, "\n") <= 0) 140 goto err; 141 142 pkey=X509_REQ_get_pubkey(x); 143 if (pkey == NULL) { 144 BIO_printf(bp,"%12sUnable to load Public Key\n",""); 145 ERR_print_errors(bp); 146 } else { 147 EVP_PKEY_print_public(bp, pkey, 16, NULL); 148 EVP_PKEY_free(pkey); 149 } 150 } 151 152 if(!(cflag & X509_FLAG_NO_ATTRIBUTES)) { 153 /* may not be */ 154 if(BIO_printf(bp,"%8sAttributes:\n","") <= 0) 155 goto err; 156 157 sk=x->req_info->attributes; 158 if (sk_X509_ATTRIBUTE_num(sk) == 0) { 159 if(BIO_printf(bp,"%12sa0:00\n","") <= 0) 160 goto err; 161 } else { 162 for (i=0; i<sk_X509_ATTRIBUTE_num(sk); i++) { 163 ASN1_TYPE *at; 164 X509_ATTRIBUTE *a; 165 ASN1_BIT_STRING *bs=NULL; 166 ASN1_TYPE *t; 167 int j,type=0,count=1,ii=0; 168 169 a=sk_X509_ATTRIBUTE_value(sk,i); 170 if(X509_REQ_extension_nid(OBJ_obj2nid(a->object))) 171 continue; 172 if(BIO_printf(bp,"%12s","") <= 0) 173 goto err; 174 if ((j=i2a_ASN1_OBJECT(bp,a->object)) > 0) { 175 if (a->single) { 176 t=a->value.single; 177 type=t->type; 178 bs=t->value.bit_string; 179 } else { 180 ii=0; 181 count=sk_ASN1_TYPE_num(a->value.set); 182 get_next: 183 at=sk_ASN1_TYPE_value(a->value.set,ii); 184 type=at->type; 185 bs=at->value.asn1_string; 186 } 187 } 188 for (j=25-j; j>0; j--) 189 if (BIO_write(bp," ",1) != 1) goto err; 190 if (BIO_puts(bp,":") <= 0) goto err; 191 if ( (type == V_ASN1_PRINTABLESTRING) || 192 (type == V_ASN1_T61STRING) || 193 (type == V_ASN1_IA5STRING)) { 194 if (BIO_write(bp,(char *)bs->data,bs->length) 195 != bs->length) 196 goto err; 197 BIO_puts(bp,"\n"); 198 } else { 199 BIO_puts(bp,"unable to print attribute\n"); 200 } 201 if (++ii < count) goto get_next; 202 } 203 } 204 } 205 if(!(cflag & X509_FLAG_NO_EXTENSIONS)) { 206 exts = X509_REQ_get_extensions(x); 207 if(exts) { 208 BIO_printf(bp,"%8sRequested Extensions:\n",""); 209 for (i=0; i<sk_X509_EXTENSION_num(exts); i++) { 210 ASN1_OBJECT *obj; 211 X509_EXTENSION *ex; 212 int j; 213 ex=sk_X509_EXTENSION_value(exts, i); 214 if (BIO_printf(bp,"%12s","") <= 0) goto err; 215 obj=X509_EXTENSION_get_object(ex); 216 i2a_ASN1_OBJECT(bp,obj); 217 j=X509_EXTENSION_get_critical(ex); 218 if (BIO_printf(bp,": %s\n",j?"critical":"") <= 0) 219 goto err; 220 if(!X509V3_EXT_print(bp, ex, cflag, 16)) { 221 BIO_printf(bp, "%16s", ""); 222 M_ASN1_OCTET_STRING_print(bp,ex->value); 223 } 224 if (BIO_write(bp,"\n",1) <= 0) goto err; 225 } 226 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free); 227 } 228 } 229 230 if(!(cflag & X509_FLAG_NO_SIGDUMP)) { 231 if(!X509_signature_print(bp, x->sig_alg, x->signature)) goto err; 232 } 233 234 return(1); 235 err: 236 X509err(X509_F_X509_REQ_PRINT_EX,ERR_R_BUF_LIB); 237 return(0); 238 } 239 240 int X509_REQ_print(BIO *bp, X509_REQ *x) 241 { 242 return X509_REQ_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT); 243 } 244