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