1 /* crypto/asn1/t_x509.c */ 2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay (at) 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 (at) 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 (at) 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 (at) 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 OPENSSL_NO_RSA 64 #include <openssl/rsa.h> 65 #endif 66 #ifndef OPENSSL_NO_DSA 67 #include <openssl/dsa.h> 68 #endif 69 #ifndef OPENSSL_NO_EC 70 #include <openssl/ec.h> 71 #endif 72 #include <openssl/objects.h> 73 #include <openssl/x509.h> 74 #include <openssl/x509v3.h> 75 76 #ifndef OPENSSL_NO_FP_API 77 int X509_print_fp(FILE *fp, X509 *x) 78 { 79 return X509_print_ex_fp(fp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT); 80 } 81 82 int X509_print_ex_fp(FILE *fp, X509 *x, unsigned long nmflag, unsigned long cflag) 83 { 84 BIO *b; 85 int ret; 86 87 if ((b=BIO_new(BIO_s_file())) == NULL) 88 { 89 X509err(X509_F_X509_PRINT_EX_FP,ERR_R_BUF_LIB); 90 return(0); 91 } 92 BIO_set_fp(b,fp,BIO_NOCLOSE); 93 ret=X509_print_ex(b, x, nmflag, cflag); 94 BIO_free(b); 95 return(ret); 96 } 97 #endif 98 99 int X509_print(BIO *bp, X509 *x) 100 { 101 return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT); 102 } 103 104 int X509_print_ex(BIO *bp, X509 *x, unsigned long nmflags, unsigned long cflag) 105 { 106 long l; 107 int ret=0,i; 108 char *m=NULL,mlch = ' '; 109 int nmindent = 0; 110 X509_CINF *ci; 111 ASN1_INTEGER *bs; 112 EVP_PKEY *pkey=NULL; 113 const char *neg; 114 ASN1_STRING *str=NULL; 115 116 if((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) { 117 mlch = '\n'; 118 nmindent = 12; 119 } 120 121 if(nmflags == X509_FLAG_COMPAT) 122 nmindent = 16; 123 124 ci=x->cert_info; 125 if(!(cflag & X509_FLAG_NO_HEADER)) 126 { 127 if (BIO_write(bp,"Certificate:\n",13) <= 0) goto err; 128 if (BIO_write(bp," Data:\n",10) <= 0) goto err; 129 } 130 if(!(cflag & X509_FLAG_NO_VERSION)) 131 { 132 l=X509_get_version(x); 133 if (BIO_printf(bp,"%8sVersion: %lu (0x%lx)\n","",l+1,l) <= 0) goto err; 134 } 135 if(!(cflag & X509_FLAG_NO_SERIAL)) 136 { 137 138 if (BIO_write(bp," Serial Number:",22) <= 0) goto err; 139 140 bs=X509_get_serialNumber(x); 141 if (bs->length <= 4) 142 { 143 l=ASN1_INTEGER_get(bs); 144 if (l < 0) 145 { 146 l= -l; 147 neg="-"; 148 } 149 else 150 neg=""; 151 if (BIO_printf(bp," %s%lu (%s0x%lx)\n",neg,l,neg,l) <= 0) 152 goto err; 153 } 154 else 155 { 156 neg=(bs->type == V_ASN1_NEG_INTEGER)?" (Negative)":""; 157 if (BIO_printf(bp,"\n%12s%s","",neg) <= 0) goto err; 158 159 for (i=0; i<bs->length; i++) 160 { 161 if (BIO_printf(bp,"%02x%c",bs->data[i], 162 ((i+1 == bs->length)?'\n':':')) <= 0) 163 goto err; 164 } 165 } 166 167 } 168 169 if(!(cflag & X509_FLAG_NO_SIGNAME)) 170 { 171 if (BIO_printf(bp,"%8sSignature Algorithm: ","") <= 0) 172 goto err; 173 if (i2a_ASN1_OBJECT(bp, ci->signature->algorithm) <= 0) 174 goto err; 175 if (BIO_puts(bp, "\n") <= 0) 176 goto err; 177 } 178 179 if(!(cflag & X509_FLAG_NO_ISSUER)) 180 { 181 if (BIO_printf(bp," Issuer:%c",mlch) <= 0) goto err; 182 if (X509_NAME_print_ex(bp,X509_get_issuer_name(x),nmindent, nmflags) < 0) goto err; 183 if (BIO_write(bp,"\n",1) <= 0) goto err; 184 } 185 if(!(cflag & X509_FLAG_NO_VALIDITY)) 186 { 187 if (BIO_write(bp," Validity\n",17) <= 0) goto err; 188 if (BIO_write(bp," Not Before: ",24) <= 0) goto err; 189 if (!ASN1_TIME_print(bp,X509_get_notBefore(x))) goto err; 190 if (BIO_write(bp,"\n Not After : ",25) <= 0) goto err; 191 if (!ASN1_TIME_print(bp,X509_get_notAfter(x))) goto err; 192 if (BIO_write(bp,"\n",1) <= 0) goto err; 193 } 194 if(!(cflag & X509_FLAG_NO_SUBJECT)) 195 { 196 if (BIO_printf(bp," Subject:%c",mlch) <= 0) goto err; 197 if (X509_NAME_print_ex(bp,X509_get_subject_name(x),nmindent, nmflags) < 0) goto err; 198 if (BIO_write(bp,"\n",1) <= 0) goto err; 199 } 200 if(!(cflag & X509_FLAG_NO_PUBKEY)) 201 { 202 if (BIO_write(bp," Subject Public Key Info:\n",33) <= 0) 203 goto err; 204 if (BIO_printf(bp,"%12sPublic Key Algorithm: ","") <= 0) 205 goto err; 206 if (i2a_ASN1_OBJECT(bp, ci->key->algor->algorithm) <= 0) 207 goto err; 208 if (BIO_puts(bp, "\n") <= 0) 209 goto err; 210 211 pkey=X509_get_pubkey(x); 212 if (pkey == NULL) 213 { 214 BIO_printf(bp,"%12sUnable to load Public Key\n",""); 215 ERR_print_errors(bp); 216 } 217 else 218 #ifndef OPENSSL_NO_RSA 219 if (pkey->type == EVP_PKEY_RSA) 220 { 221 BIO_printf(bp,"%12sRSA Public Key: (%d bit)\n","", 222 BN_num_bits(pkey->pkey.rsa->n)); 223 RSA_print(bp,pkey->pkey.rsa,16); 224 } 225 else 226 #endif 227 #ifndef OPENSSL_NO_DSA 228 if (pkey->type == EVP_PKEY_DSA) 229 { 230 BIO_printf(bp,"%12sDSA Public Key:\n",""); 231 DSA_print(bp,pkey->pkey.dsa,16); 232 } 233 else 234 #endif 235 #ifndef OPENSSL_NO_EC 236 if (pkey->type == EVP_PKEY_EC) 237 { 238 BIO_printf(bp, "%12sEC Public Key:\n",""); 239 EC_KEY_print(bp, pkey->pkey.ec, 16); 240 } 241 else 242 #endif 243 BIO_printf(bp,"%12sUnknown Public Key:\n",""); 244 245 EVP_PKEY_free(pkey); 246 } 247 248 if (!(cflag & X509_FLAG_NO_EXTENSIONS)) 249 X509V3_extensions_print(bp, "X509v3 extensions", 250 ci->extensions, cflag, 8); 251 252 if(!(cflag & X509_FLAG_NO_SIGDUMP)) 253 { 254 if(X509_signature_print(bp, x->sig_alg, x->signature) <= 0) goto err; 255 } 256 if(!(cflag & X509_FLAG_NO_AUX)) 257 { 258 if (!X509_CERT_AUX_print(bp, x->aux, 0)) goto err; 259 } 260 ret=1; 261 err: 262 if (str != NULL) ASN1_STRING_free(str); 263 if (m != NULL) OPENSSL_free(m); 264 return(ret); 265 } 266 267 int X509_ocspid_print (BIO *bp, X509 *x) 268 { 269 unsigned char *der=NULL ; 270 unsigned char *dertmp; 271 int derlen; 272 int i; 273 unsigned char SHA1md[SHA_DIGEST_LENGTH]; 274 275 /* display the hash of the subject as it would appear 276 in OCSP requests */ 277 if (BIO_printf(bp," Subject OCSP hash: ") <= 0) 278 goto err; 279 derlen = i2d_X509_NAME(x->cert_info->subject, NULL); 280 if ((der = dertmp = (unsigned char *)OPENSSL_malloc (derlen)) == NULL) 281 goto err; 282 i2d_X509_NAME(x->cert_info->subject, &dertmp); 283 284 EVP_Digest(der, derlen, SHA1md, NULL, EVP_sha1(), NULL); 285 for (i=0; i < SHA_DIGEST_LENGTH; i++) 286 { 287 if (BIO_printf(bp,"%02X",SHA1md[i]) <= 0) goto err; 288 } 289 OPENSSL_free (der); 290 der=NULL; 291 292 /* display the hash of the public key as it would appear 293 in OCSP requests */ 294 if (BIO_printf(bp,"\n Public key OCSP hash: ") <= 0) 295 goto err; 296 297 EVP_Digest(x->cert_info->key->public_key->data, 298 x->cert_info->key->public_key->length, SHA1md, NULL, EVP_sha1(), NULL); 299 for (i=0; i < SHA_DIGEST_LENGTH; i++) 300 { 301 if (BIO_printf(bp,"%02X",SHA1md[i]) <= 0) 302 goto err; 303 } 304 BIO_printf(bp,"\n"); 305 306 return (1); 307 err: 308 if (der != NULL) OPENSSL_free(der); 309 return(0); 310 } 311 312 int X509_signature_print(BIO *bp, X509_ALGOR *sigalg, ASN1_STRING *sig) 313 { 314 unsigned char *s; 315 int i, n; 316 if (BIO_puts(bp," Signature Algorithm: ") <= 0) return 0; 317 if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0) return 0; 318 319 n=sig->length; 320 s=sig->data; 321 for (i=0; i<n; i++) 322 { 323 if ((i%18) == 0) 324 if (BIO_write(bp,"\n ",9) <= 0) return 0; 325 if (BIO_printf(bp,"%02x%s",s[i], 326 ((i+1) == n)?"":":") <= 0) return 0; 327 } 328 if (BIO_write(bp,"\n",1) != 1) return 0; 329 return 1; 330 } 331 332 int ASN1_STRING_print(BIO *bp, ASN1_STRING *v) 333 { 334 int i,n; 335 char buf[80],*p; 336 337 if (v == NULL) return(0); 338 n=0; 339 p=(char *)v->data; 340 for (i=0; i<v->length; i++) 341 { 342 if ((p[i] > '~') || ((p[i] < ' ') && 343 (p[i] != '\n') && (p[i] != '\r'))) 344 buf[n]='.'; 345 else 346 buf[n]=p[i]; 347 n++; 348 if (n >= 80) 349 { 350 if (BIO_write(bp,buf,n) <= 0) 351 return(0); 352 n=0; 353 } 354 } 355 if (n > 0) 356 if (BIO_write(bp,buf,n) <= 0) 357 return(0); 358 return(1); 359 } 360 361 int ASN1_TIME_print(BIO *bp, ASN1_TIME *tm) 362 { 363 if(tm->type == V_ASN1_UTCTIME) return ASN1_UTCTIME_print(bp, tm); 364 if(tm->type == V_ASN1_GENERALIZEDTIME) 365 return ASN1_GENERALIZEDTIME_print(bp, tm); 366 BIO_write(bp,"Bad time value",14); 367 return(0); 368 } 369 370 static const char *mon[12]= 371 { 372 "Jan","Feb","Mar","Apr","May","Jun", 373 "Jul","Aug","Sep","Oct","Nov","Dec" 374 }; 375 376 int ASN1_GENERALIZEDTIME_print(BIO *bp, ASN1_GENERALIZEDTIME *tm) 377 { 378 char *v; 379 int gmt=0; 380 int i; 381 int y=0,M=0,d=0,h=0,m=0,s=0; 382 char *f = NULL; 383 int f_len = 0; 384 385 i=tm->length; 386 v=(char *)tm->data; 387 388 if (i < 12) goto err; 389 if (v[i-1] == 'Z') gmt=1; 390 for (i=0; i<12; i++) 391 if ((v[i] > '9') || (v[i] < '0')) goto err; 392 y= (v[0]-'0')*1000+(v[1]-'0')*100 + (v[2]-'0')*10+(v[3]-'0'); 393 M= (v[4]-'0')*10+(v[5]-'0'); 394 if ((M > 12) || (M < 1)) goto err; 395 d= (v[6]-'0')*10+(v[7]-'0'); 396 h= (v[8]-'0')*10+(v[9]-'0'); 397 m= (v[10]-'0')*10+(v[11]-'0'); 398 if (tm->length >= 14 && 399 (v[12] >= '0') && (v[12] <= '9') && 400 (v[13] >= '0') && (v[13] <= '9')) 401 { 402 s= (v[12]-'0')*10+(v[13]-'0'); 403 /* Check for fractions of seconds. */ 404 if (tm->length >= 15 && v[14] == '.') 405 { 406 int l = tm->length; 407 f = &v[14]; /* The decimal point. */ 408 f_len = 1; 409 while (14 + f_len < l && f[f_len] >= '0' && f[f_len] <= '9') 410 ++f_len; 411 } 412 } 413 414 if (BIO_printf(bp,"%s %2d %02d:%02d:%02d%.*s %d%s", 415 mon[M-1],d,h,m,s,f_len,f,y,(gmt)?" GMT":"") <= 0) 416 return(0); 417 else 418 return(1); 419 err: 420 BIO_write(bp,"Bad time value",14); 421 return(0); 422 } 423 424 int ASN1_UTCTIME_print(BIO *bp, ASN1_UTCTIME *tm) 425 { 426 char *v; 427 int gmt=0; 428 int i; 429 int y=0,M=0,d=0,h=0,m=0,s=0; 430 431 i=tm->length; 432 v=(char *)tm->data; 433 434 if (i < 10) goto err; 435 if (v[i-1] == 'Z') gmt=1; 436 for (i=0; i<10; i++) 437 if ((v[i] > '9') || (v[i] < '0')) goto err; 438 y= (v[0]-'0')*10+(v[1]-'0'); 439 if (y < 50) y+=100; 440 M= (v[2]-'0')*10+(v[3]-'0'); 441 if ((M > 12) || (M < 1)) goto err; 442 d= (v[4]-'0')*10+(v[5]-'0'); 443 h= (v[6]-'0')*10+(v[7]-'0'); 444 m= (v[8]-'0')*10+(v[9]-'0'); 445 if (tm->length >=12 && 446 (v[10] >= '0') && (v[10] <= '9') && 447 (v[11] >= '0') && (v[11] <= '9')) 448 s= (v[10]-'0')*10+(v[11]-'0'); 449 450 if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s", 451 mon[M-1],d,h,m,s,y+1900,(gmt)?" GMT":"") <= 0) 452 return(0); 453 else 454 return(1); 455 err: 456 BIO_write(bp,"Bad time value",14); 457 return(0); 458 } 459 460 int X509_NAME_print(BIO *bp, X509_NAME *name, int obase) 461 { 462 char *s,*c,*b; 463 int ret=0,l,i; 464 465 l=80-2-obase; 466 467 b=X509_NAME_oneline(name,NULL,0); 468 if (!*b) 469 { 470 OPENSSL_free(b); 471 return 1; 472 } 473 s=b+1; /* skip the first slash */ 474 475 c=s; 476 for (;;) 477 { 478 #ifndef CHARSET_EBCDIC 479 if ( ((*s == '/') && 480 ((s[1] >= 'A') && (s[1] <= 'Z') && ( 481 (s[2] == '=') || 482 ((s[2] >= 'A') && (s[2] <= 'Z') && 483 (s[3] == '=')) 484 ))) || 485 (*s == '\0')) 486 #else 487 if ( ((*s == '/') && 488 (isupper(s[1]) && ( 489 (s[2] == '=') || 490 (isupper(s[2]) && 491 (s[3] == '=')) 492 ))) || 493 (*s == '\0')) 494 #endif 495 { 496 i=s-c; 497 if (BIO_write(bp,c,i) != i) goto err; 498 c=s+1; /* skip following slash */ 499 if (*s != '\0') 500 { 501 if (BIO_write(bp,", ",2) != 2) goto err; 502 } 503 l--; 504 } 505 if (*s == '\0') break; 506 s++; 507 l--; 508 } 509 510 ret=1; 511 if (0) 512 { 513 err: 514 X509err(X509_F_X509_NAME_PRINT,ERR_R_BUF_LIB); 515 } 516 OPENSSL_free(b); 517 return(ret); 518 } 519
