1 /* crypto/asn1/t_x509.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 #ifndef NO_RSA 64 #include <openssl/rsa.h> 65 #endif 66 #ifndef NO_DSA 67 #include <openssl/dsa.h> 68 #endif 69 #include <openssl/objects.h> 70 #include <openssl/x509.h> 71 #include <openssl/x509v3.h> 72 73 #ifndef NO_FP_API 74 int X509_print_fp(FILE *fp, X509 *x) 75 { 76 BIO *b; 77 int ret; 78 79 if ((b=BIO_new(BIO_s_file())) == NULL) 80 { 81 X509err(X509_F_X509_PRINT_FP,ERR_R_BUF_LIB); 82 return(0); 83 } 84 BIO_set_fp(b,fp,BIO_NOCLOSE); 85 ret=X509_print(b, x); 86 BIO_free(b); 87 return(ret); 88 } 89 #endif 90 91 int X509_print(BIO *bp, X509 *x) 92 { 93 long l; 94 int ret=0,i,j,n; 95 char *m=NULL,*s; 96 X509_CINF *ci; 97 ASN1_INTEGER *bs; 98 EVP_PKEY *pkey=NULL; 99 const char *neg; 100 X509_EXTENSION *ex; 101 ASN1_STRING *str=NULL; 102 103 ci=x->cert_info; 104 if (BIO_write(bp,"Certificate:\n",13) <= 0) goto err; 105 if (BIO_write(bp," Data:\n",10) <= 0) goto err; 106 l=X509_get_version(x); 107 if (BIO_printf(bp,"%8sVersion: %lu (0x%lx)\n","",l+1,l) <= 0) goto err; 108 if (BIO_write(bp," Serial Number:",22) <= 0) goto err; 109 110 bs=X509_get_serialNumber(x); 111 if (bs->length <= 4) 112 { 113 l=ASN1_INTEGER_get(bs); 114 if (l < 0) 115 { 116 l= -l; 117 neg="-"; 118 } 119 else 120 neg=""; 121 if (BIO_printf(bp," %s%lu (%s0x%lx)\n",neg,l,neg,l) <= 0) 122 goto err; 123 } 124 else 125 { 126 neg=(bs->type == V_ASN1_NEG_INTEGER)?" (Negative)":""; 127 if (BIO_printf(bp,"\n%12s%s","",neg) <= 0) goto err; 128 129 for (i=0; i<bs->length; i++) 130 { 131 if (BIO_printf(bp,"%02x%c",bs->data[i], 132 ((i+1 == bs->length)?'\n':':')) <= 0) 133 goto err; 134 } 135 } 136 137 i=OBJ_obj2nid(ci->signature->algorithm); 138 if (BIO_printf(bp,"%8sSignature Algorithm: %s\n","", 139 (i == NID_undef)?"UNKNOWN":OBJ_nid2ln(i)) <= 0) 140 goto err; 141 142 if (BIO_write(bp," Issuer: ",16) <= 0) goto err; 143 if (!X509_NAME_print(bp,X509_get_issuer_name(x),16)) goto err; 144 if (BIO_write(bp,"\n Validity\n",18) <= 0) goto err; 145 if (BIO_write(bp," Not Before: ",24) <= 0) goto err; 146 if (!ASN1_TIME_print(bp,X509_get_notBefore(x))) goto err; 147 if (BIO_write(bp,"\n Not After : ",25) <= 0) goto err; 148 if (!ASN1_TIME_print(bp,X509_get_notAfter(x))) goto err; 149 if (BIO_write(bp,"\n Subject: ",18) <= 0) goto err; 150 if (!X509_NAME_print(bp,X509_get_subject_name(x),16)) goto err; 151 if (BIO_write(bp,"\n Subject Public Key Info:\n",34) <= 0) 152 goto err; 153 i=OBJ_obj2nid(ci->key->algor->algorithm); 154 if (BIO_printf(bp,"%12sPublic Key Algorithm: %s\n","", 155 (i == NID_undef)?"UNKNOWN":OBJ_nid2ln(i)) <= 0) goto err; 156 157 pkey=X509_get_pubkey(x); 158 if (pkey == NULL) 159 { 160 BIO_printf(bp,"%12sUnable to load Public Key\n",""); 161 ERR_print_errors(bp); 162 } 163 else 164 #ifndef NO_RSA 165 if (pkey->type == EVP_PKEY_RSA) 166 { 167 BIO_printf(bp,"%12sRSA Public Key: (%d bit)\n","", 168 BN_num_bits(pkey->pkey.rsa->n)); 169 RSA_print(bp,pkey->pkey.rsa,16); 170 } 171 else 172 #endif 173 #ifndef NO_DSA 174 if (pkey->type == EVP_PKEY_DSA) 175 { 176 BIO_printf(bp,"%12sDSA Public Key:\n",""); 177 DSA_print(bp,pkey->pkey.dsa,16); 178 } 179 else 180 #endif 181 BIO_printf(bp,"%12sUnknown Public Key:\n",""); 182 183 EVP_PKEY_free(pkey); 184 185 n=X509_get_ext_count(x); 186 if (n > 0) 187 { 188 BIO_printf(bp,"%8sX509v3 extensions:\n",""); 189 for (i=0; i<n; i++) 190 { 191 ASN1_OBJECT *obj; 192 ex=X509_get_ext(x,i); 193 if (BIO_printf(bp,"%12s","") <= 0) goto err; 194 obj=X509_EXTENSION_get_object(ex); 195 i2a_ASN1_OBJECT(bp,obj); 196 j=X509_EXTENSION_get_critical(ex); 197 if (BIO_printf(bp,": %s\n",j?"critical":"","") <= 0) 198 goto err; 199 if(!X509V3_EXT_print(bp, ex, 0, 16)) 200 { 201 BIO_printf(bp, "%16s", ""); 202 M_ASN1_OCTET_STRING_print(bp,ex->value); 203 } 204 if (BIO_write(bp,"\n",1) <= 0) goto err; 205 } 206 } 207 208 i=OBJ_obj2nid(x->sig_alg->algorithm); 209 if (BIO_printf(bp,"%4sSignature Algorithm: %s","", 210 (i == NID_undef)?"UNKNOWN":OBJ_nid2ln(i)) <= 0) goto err; 211 212 n=x->signature->length; 213 s=(char *)x->signature->data; 214 for (i=0; i<n; i++) 215 { 216 if ((i%18) == 0) 217 if (BIO_write(bp,"\n ",9) <= 0) goto err; 218 if (BIO_printf(bp,"%02x%s",(unsigned char)s[i], 219 ((i+1) == n)?"":":") <= 0) goto err; 220 } 221 if (BIO_write(bp,"\n",1) != 1) goto err; 222 if (!X509_CERT_AUX_print(bp, x->aux, 0)) goto err; 223 ret=1; 224 err: 225 if (str != NULL) ASN1_STRING_free(str); 226 if (m != NULL) OPENSSL_free(m); 227 return(ret); 228 } 229 230 int ASN1_STRING_print(BIO *bp, ASN1_STRING *v) 231 { 232 int i,n; 233 char buf[80],*p;; 234 235 if (v == NULL) return(0); 236 n=0; 237 p=(char *)v->data; 238 for (i=0; i<v->length; i++) 239 { 240 if ((p[i] > '~') || ((p[i] < ' ') && 241 (p[i] != '\n') && (p[i] != '\r'))) 242 buf[n]='.'; 243 else 244 buf[n]=p[i]; 245 n++; 246 if (n >= 80) 247 { 248 if (BIO_write(bp,buf,n) <= 0) 249 return(0); 250 n=0; 251 } 252 } 253 if (n > 0) 254 if (BIO_write(bp,buf,n) <= 0) 255 return(0); 256 return(1); 257 } 258 259 int ASN1_TIME_print(BIO *bp, ASN1_TIME *tm) 260 { 261 if(tm->type == V_ASN1_UTCTIME) return ASN1_UTCTIME_print(bp, tm); 262 if(tm->type == V_ASN1_GENERALIZEDTIME) 263 return ASN1_GENERALIZEDTIME_print(bp, tm); 264 BIO_write(bp,"Bad time value",14); 265 return(0); 266 } 267 268 static const char *mon[12]= 269 { 270 "Jan","Feb","Mar","Apr","May","Jun", 271 "Jul","Aug","Sep","Oct","Nov","Dec" 272 }; 273 274 int ASN1_GENERALIZEDTIME_print(BIO *bp, ASN1_GENERALIZEDTIME *tm) 275 { 276 char *v; 277 int gmt=0; 278 int i; 279 int y=0,M=0,d=0,h=0,m=0,s=0; 280 281 i=tm->length; 282 v=(char *)tm->data; 283 284 if (i < 12) goto err; 285 if (v[i-1] == 'Z') gmt=1; 286 for (i=0; i<12; i++) 287 if ((v[i] > '9') || (v[i] < '0')) goto err; 288 y= (v[0]-'0')*1000+(v[1]-'0')*100 + (v[2]-'0')*10+(v[3]-'0'); 289 M= (v[4]-'0')*10+(v[5]-'0'); 290 if ((M > 12) || (M < 1)) goto err; 291 d= (v[6]-'0')*10+(v[7]-'0'); 292 h= (v[8]-'0')*10+(v[9]-'0'); 293 m= (v[10]-'0')*10+(v[11]-'0'); 294 if ( (v[12] >= '0') && (v[12] <= '9') && 295 (v[13] >= '0') && (v[13] <= '9')) 296 s= (v[12]-'0')*10+(v[13]-'0'); 297 298 if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s", 299 mon[M-1],d,h,m,s,y,(gmt)?" GMT":"") <= 0) 300 return(0); 301 else 302 return(1); 303 err: 304 BIO_write(bp,"Bad time value",14); 305 return(0); 306 } 307 308 int ASN1_UTCTIME_print(BIO *bp, ASN1_UTCTIME *tm) 309 { 310 char *v; 311 int gmt=0; 312 int i; 313 int y=0,M=0,d=0,h=0,m=0,s=0; 314 315 i=tm->length; 316 v=(char *)tm->data; 317 318 if (i < 10) goto err; 319 if (v[i-1] == 'Z') gmt=1; 320 for (i=0; i<10; i++) 321 if ((v[i] > '9') || (v[i] < '0')) goto err; 322 y= (v[0]-'0')*10+(v[1]-'0'); 323 if (y < 50) y+=100; 324 M= (v[2]-'0')*10+(v[3]-'0'); 325 if ((M > 12) || (M < 1)) goto err; 326 d= (v[4]-'0')*10+(v[5]-'0'); 327 h= (v[6]-'0')*10+(v[7]-'0'); 328 m= (v[8]-'0')*10+(v[9]-'0'); 329 if ( (v[10] >= '0') && (v[10] <= '9') && 330 (v[11] >= '0') && (v[11] <= '9')) 331 s= (v[10]-'0')*10+(v[11]-'0'); 332 333 if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s", 334 mon[M-1],d,h,m,s,y+1900,(gmt)?" GMT":"") <= 0) 335 return(0); 336 else 337 return(1); 338 err: 339 BIO_write(bp,"Bad time value",14); 340 return(0); 341 } 342 343 int X509_NAME_print(BIO *bp, X509_NAME *name, int obase) 344 { 345 char *s,*c; 346 int ret=0,l,ll,i,first=1; 347 char buf[256]; 348 349 ll=80-2-obase; 350 351 s=X509_NAME_oneline(name,buf,256); 352 if (!*s) 353 return 1; 354 s++; /* skip the first slash */ 355 356 l=ll; 357 c=s; 358 for (;;) 359 { 360 #ifndef CHARSET_EBCDIC 361 if ( ((*s == '/') && 362 ((s[1] >= 'A') && (s[1] <= 'Z') && ( 363 (s[2] == '=') || 364 ((s[2] >= 'A') && (s[2] <= 'Z') && 365 (s[3] == '=')) 366 ))) || 367 (*s == '\0')) 368 #else 369 if ( ((*s == '/') && 370 (isupper(s[1]) && ( 371 (s[2] == '=') || 372 (isupper(s[2]) && 373 (s[3] == '=')) 374 ))) || 375 (*s == '\0')) 376 #endif 377 { 378 if ((l <= 0) && !first) 379 { 380 first=0; 381 if (BIO_write(bp,"\n",1) != 1) goto err; 382 for (i=0; i<obase; i++) 383 { 384 if (BIO_write(bp," ",1) != 1) goto err; 385 } 386 l=ll; 387 } 388 i=s-c; 389 if (BIO_write(bp,c,i) != i) goto err; 390 c+=i; 391 c++; 392 if (*s != '\0') 393 { 394 if (BIO_write(bp,", ",2) != 2) goto err; 395 } 396 l--; 397 } 398 if (*s == '\0') break; 399 s++; 400 l--; 401 } 402 403 ret=1; 404 if (0) 405 { 406 err: 407 X509err(X509_F_X509_NAME_PRINT,ERR_R_BUF_LIB); 408 } 409 return(ret); 410 } 411 412