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 #include "asn1_locl.h" 76 77 #ifndef OPENSSL_NO_FP_API 78 int X509_print_fp(FILE *fp, X509 *x) 79 { 80 return X509_print_ex_fp(fp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT); 81 } 82 83 int X509_print_ex_fp(FILE *fp, X509 *x, unsigned long nmflag, unsigned long cflag) 84 { 85 BIO *b; 86 int ret; 87 88 if ((b=BIO_new(BIO_s_file())) == NULL) 89 { 90 X509err(X509_F_X509_PRINT_EX_FP,ERR_R_BUF_LIB); 91 return(0); 92 } 93 BIO_set_fp(b,fp,BIO_NOCLOSE); 94 ret=X509_print_ex(b, x, nmflag, cflag); 95 BIO_free(b); 96 return(ret); 97 } 98 #endif 99 100 int X509_print(BIO *bp, X509 *x) 101 { 102 return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT); 103 } 104 105 int X509_print_ex(BIO *bp, X509 *x, unsigned long nmflags, unsigned long cflag) 106 { 107 long l; 108 int ret=0,i; 109 char *m=NULL,mlch = ' '; 110 int nmindent = 0; 111 X509_CINF *ci; 112 ASN1_INTEGER *bs; 113 EVP_PKEY *pkey=NULL; 114 const char *neg; 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 <= (int)sizeof(long)) 142 { 143 l=ASN1_INTEGER_get(bs); 144 if (bs->type == V_ASN1_NEG_INTEGER) 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(X509_signature_print(bp, x->sig_alg, NULL) <= 0) 172 goto err; 173 #if 0 174 if (BIO_printf(bp,"%8sSignature Algorithm: ","") <= 0) 175 goto err; 176 if (i2a_ASN1_OBJECT(bp, ci->signature->algorithm) <= 0) 177 goto err; 178 if (BIO_puts(bp, "\n") <= 0) 179 goto err; 180 #endif 181 } 182 183 if(!(cflag & X509_FLAG_NO_ISSUER)) 184 { 185 if (BIO_printf(bp," Issuer:%c",mlch) <= 0) goto err; 186 if (X509_NAME_print_ex(bp,X509_get_issuer_name(x),nmindent, nmflags) < 0) goto err; 187 if (BIO_write(bp,"\n",1) <= 0) goto err; 188 } 189 if(!(cflag & X509_FLAG_NO_VALIDITY)) 190 { 191 if (BIO_write(bp," Validity\n",17) <= 0) goto err; 192 if (BIO_write(bp," Not Before: ",24) <= 0) goto err; 193 if (!ASN1_TIME_print(bp,X509_get_notBefore(x))) goto err; 194 if (BIO_write(bp,"\n Not After : ",25) <= 0) goto err; 195 if (!ASN1_TIME_print(bp,X509_get_notAfter(x))) goto err; 196 if (BIO_write(bp,"\n",1) <= 0) goto err; 197 } 198 if(!(cflag & X509_FLAG_NO_SUBJECT)) 199 { 200 if (BIO_printf(bp," Subject:%c",mlch) <= 0) goto err; 201 if (X509_NAME_print_ex(bp,X509_get_subject_name(x),nmindent, nmflags) < 0) goto err; 202 if (BIO_write(bp,"\n",1) <= 0) goto err; 203 } 204 if(!(cflag & X509_FLAG_NO_PUBKEY)) 205 { 206 if (BIO_write(bp," Subject Public Key Info:\n",33) <= 0) 207 goto err; 208 if (BIO_printf(bp,"%12sPublic Key Algorithm: ","") <= 0) 209 goto err; 210 if (i2a_ASN1_OBJECT(bp, ci->key->algor->algorithm) <= 0) 211 goto err; 212 if (BIO_puts(bp, "\n") <= 0) 213 goto err; 214 215 pkey=X509_get_pubkey(x); 216 if (pkey == NULL) 217 { 218 BIO_printf(bp,"%12sUnable to load Public Key\n",""); 219 ERR_print_errors(bp); 220 } 221 else 222 { 223 EVP_PKEY_print_public(bp, pkey, 16, NULL); 224 EVP_PKEY_free(pkey); 225 } 226 } 227 228 if (!(cflag & X509_FLAG_NO_EXTENSIONS)) 229 X509V3_extensions_print(bp, "X509v3 extensions", 230 ci->extensions, cflag, 8); 231 232 if(!(cflag & X509_FLAG_NO_SIGDUMP)) 233 { 234 if(X509_signature_print(bp, x->sig_alg, x->signature) <= 0) goto err; 235 } 236 if(!(cflag & X509_FLAG_NO_AUX)) 237 { 238 if (!X509_CERT_AUX_print(bp, x->aux, 0)) goto err; 239 } 240 ret=1; 241 err: 242 if (m != NULL) OPENSSL_free(m); 243 return(ret); 244 } 245 246 int X509_ocspid_print (BIO *bp, X509 *x) 247 { 248 unsigned char *der=NULL ; 249 unsigned char *dertmp; 250 int derlen; 251 int i; 252 unsigned char SHA1md[SHA_DIGEST_LENGTH]; 253 254 /* display the hash of the subject as it would appear 255 in OCSP requests */ 256 if (BIO_printf(bp," Subject OCSP hash: ") <= 0) 257 goto err; 258 derlen = i2d_X509_NAME(x->cert_info->subject, NULL); 259 if ((der = dertmp = (unsigned char *)OPENSSL_malloc (derlen)) == NULL) 260 goto err; 261 i2d_X509_NAME(x->cert_info->subject, &dertmp); 262 263 if (!EVP_Digest(der, derlen, SHA1md, NULL, EVP_sha1(), NULL)) 264 goto err; 265 for (i=0; i < SHA_DIGEST_LENGTH; i++) 266 { 267 if (BIO_printf(bp,"%02X",SHA1md[i]) <= 0) goto err; 268 } 269 OPENSSL_free (der); 270 der=NULL; 271 272 /* display the hash of the public key as it would appear 273 in OCSP requests */ 274 if (BIO_printf(bp,"\n Public key OCSP hash: ") <= 0) 275 goto err; 276 277 if (!EVP_Digest(x->cert_info->key->public_key->data, 278 x->cert_info->key->public_key->length, 279 SHA1md, NULL, EVP_sha1(), NULL)) 280 goto err; 281 for (i=0; i < SHA_DIGEST_LENGTH; i++) 282 { 283 if (BIO_printf(bp,"%02X",SHA1md[i]) <= 0) 284 goto err; 285 } 286 BIO_printf(bp,"\n"); 287 288 return (1); 289 err: 290 if (der != NULL) OPENSSL_free(der); 291 return(0); 292 } 293 294 int X509_signature_dump(BIO *bp, const ASN1_STRING *sig, int indent) 295 { 296 const unsigned char *s; 297 int i, n; 298 299 n=sig->length; 300 s=sig->data; 301 for (i=0; i<n; i++) 302 { 303 if ((i%18) == 0) 304 { 305 if (BIO_write(bp,"\n",1) <= 0) return 0; 306 if (BIO_indent(bp, indent, indent) <= 0) return 0; 307 } 308 if (BIO_printf(bp,"%02x%s",s[i], 309 ((i+1) == n)?"":":") <= 0) return 0; 310 } 311 if (BIO_write(bp,"\n",1) != 1) return 0; 312 313 return 1; 314 } 315 316 int X509_signature_print(BIO *bp, X509_ALGOR *sigalg, ASN1_STRING *sig) 317 { 318 int sig_nid; 319 if (BIO_puts(bp," Signature Algorithm: ") <= 0) return 0; 320 if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0) return 0; 321 322 sig_nid = OBJ_obj2nid(sigalg->algorithm); 323 if (sig_nid != NID_undef) 324 { 325 int pkey_nid, dig_nid; 326 const EVP_PKEY_ASN1_METHOD *ameth; 327 if (OBJ_find_sigid_algs(sig_nid, &dig_nid, &pkey_nid)) 328 { 329 ameth = EVP_PKEY_asn1_find(NULL, pkey_nid); 330 if (ameth && ameth->sig_print) 331 return ameth->sig_print(bp, sigalg, sig, 9, 0); 332 } 333 } 334 if (sig) 335 return X509_signature_dump(bp, sig, 9); 336 else if (BIO_puts(bp, "\n") <= 0) 337 return 0; 338 return 1; 339 } 340 341 int ASN1_STRING_print(BIO *bp, const ASN1_STRING *v) 342 { 343 int i,n; 344 char buf[80]; 345 const char *p; 346 347 if (v == NULL) return(0); 348 n=0; 349 p=(const char *)v->data; 350 for (i=0; i<v->length; i++) 351 { 352 if ((p[i] > '~') || ((p[i] < ' ') && 353 (p[i] != '\n') && (p[i] != '\r'))) 354 buf[n]='.'; 355 else 356 buf[n]=p[i]; 357 n++; 358 if (n >= 80) 359 { 360 if (BIO_write(bp,buf,n) <= 0) 361 return(0); 362 n=0; 363 } 364 } 365 if (n > 0) 366 if (BIO_write(bp,buf,n) <= 0) 367 return(0); 368 return(1); 369 } 370 371 int ASN1_TIME_print(BIO *bp, const ASN1_TIME *tm) 372 { 373 if(tm->type == V_ASN1_UTCTIME) return ASN1_UTCTIME_print(bp, tm); 374 if(tm->type == V_ASN1_GENERALIZEDTIME) 375 return ASN1_GENERALIZEDTIME_print(bp, tm); 376 BIO_write(bp,"Bad time value",14); 377 return(0); 378 } 379 380 static const char *mon[12]= 381 { 382 "Jan","Feb","Mar","Apr","May","Jun", 383 "Jul","Aug","Sep","Oct","Nov","Dec" 384 }; 385 386 int ASN1_GENERALIZEDTIME_print(BIO *bp, const ASN1_GENERALIZEDTIME *tm) 387 { 388 char *v; 389 int gmt=0; 390 int i; 391 int y=0,M=0,d=0,h=0,m=0,s=0; 392 char *f = NULL; 393 int f_len = 0; 394 395 i=tm->length; 396 v=(char *)tm->data; 397 398 if (i < 12) goto err; 399 if (v[i-1] == 'Z') gmt=1; 400 for (i=0; i<12; i++) 401 if ((v[i] > '9') || (v[i] < '0')) goto err; 402 y= (v[0]-'0')*1000+(v[1]-'0')*100 + (v[2]-'0')*10+(v[3]-'0'); 403 M= (v[4]-'0')*10+(v[5]-'0'); 404 if ((M > 12) || (M < 1)) goto err; 405 d= (v[6]-'0')*10+(v[7]-'0'); 406 h= (v[8]-'0')*10+(v[9]-'0'); 407 m= (v[10]-'0')*10+(v[11]-'0'); 408 if (tm->length >= 14 && 409 (v[12] >= '0') && (v[12] <= '9') && 410 (v[13] >= '0') && (v[13] <= '9')) 411 { 412 s= (v[12]-'0')*10+(v[13]-'0'); 413 /* Check for fractions of seconds. */ 414 if (tm->length >= 15 && v[14] == '.') 415 { 416 int l = tm->length; 417 f = &v[14]; /* The decimal point. */ 418 f_len = 1; 419 while (14 + f_len < l && f[f_len] >= '0' && f[f_len] <= '9') 420 ++f_len; 421 } 422 } 423 424 if (BIO_printf(bp,"%s %2d %02d:%02d:%02d%.*s %d%s", 425 mon[M-1],d,h,m,s,f_len,f,y,(gmt)?" GMT":"") <= 0) 426 return(0); 427 else 428 return(1); 429 err: 430 BIO_write(bp,"Bad time value",14); 431 return(0); 432 } 433 434 int ASN1_UTCTIME_print(BIO *bp, const ASN1_UTCTIME *tm) 435 { 436 const char *v; 437 int gmt=0; 438 int i; 439 int y=0,M=0,d=0,h=0,m=0,s=0; 440 441 i=tm->length; 442 v=(const char *)tm->data; 443 444 if (i < 10) goto err; 445 if (v[i-1] == 'Z') gmt=1; 446 for (i=0; i<10; i++) 447 if ((v[i] > '9') || (v[i] < '0')) goto err; 448 y= (v[0]-'0')*10+(v[1]-'0'); 449 if (y < 50) y+=100; 450 M= (v[2]-'0')*10+(v[3]-'0'); 451 if ((M > 12) || (M < 1)) goto err; 452 d= (v[4]-'0')*10+(v[5]-'0'); 453 h= (v[6]-'0')*10+(v[7]-'0'); 454 m= (v[8]-'0')*10+(v[9]-'0'); 455 if (tm->length >=12 && 456 (v[10] >= '0') && (v[10] <= '9') && 457 (v[11] >= '0') && (v[11] <= '9')) 458 s= (v[10]-'0')*10+(v[11]-'0'); 459 460 if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s", 461 mon[M-1],d,h,m,s,y+1900,(gmt)?" GMT":"") <= 0) 462 return(0); 463 else 464 return(1); 465 err: 466 BIO_write(bp,"Bad time value",14); 467 return(0); 468 } 469 470 int X509_NAME_print(BIO *bp, X509_NAME *name, int obase) 471 { 472 char *s,*c,*b; 473 int ret=0,l,i; 474 475 l=80-2-obase; 476 477 b=X509_NAME_oneline(name,NULL,0); 478 if (!*b) 479 { 480 OPENSSL_free(b); 481 return 1; 482 } 483 s=b+1; /* skip the first slash */ 484 485 c=s; 486 for (;;) 487 { 488 #ifndef CHARSET_EBCDIC 489 if ( ((*s == '/') && 490 ((s[1] >= 'A') && (s[1] <= 'Z') && ( 491 (s[2] == '=') || 492 ((s[2] >= 'A') && (s[2] <= 'Z') && 493 (s[3] == '=')) 494 ))) || 495 (*s == '\0')) 496 #else 497 if ( ((*s == '/') && 498 (isupper(s[1]) && ( 499 (s[2] == '=') || 500 (isupper(s[2]) && 501 (s[3] == '=')) 502 ))) || 503 (*s == '\0')) 504 #endif 505 { 506 i=s-c; 507 if (BIO_write(bp,c,i) != i) goto err; 508 c=s+1; /* skip following slash */ 509 if (*s != '\0') 510 { 511 if (BIO_write(bp,", ",2) != 2) goto err; 512 } 513 l--; 514 } 515 if (*s == '\0') break; 516 s++; 517 l--; 518 } 519 520 ret=1; 521 if (0) 522 { 523 err: 524 X509err(X509_F_X509_NAME_PRINT,ERR_R_BUF_LIB); 525 } 526 OPENSSL_free(b); 527 return(ret); 528 } 529
