1/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 2 * All rights reserved. 3 * 4 * This package is an SSL implementation written 5 * by Eric Young (eay@cryptsoft.com). 6 * The implementation was written so as to conform with Netscapes SSL. 7 * 8 * This library is free for commercial and non-commercial use as long as 9 * the following conditions are aheared to. The following conditions 10 * apply to all code found in this distribution, be it the RC4, RSA, 11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 12 * included with this distribution is covered by the same copyright terms 13 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 14 * 15 * Copyright remains Eric Young's, and as such any Copyright notices in 16 * the code are not to be removed. 17 * If this package is used in a product, Eric Young should be given attribution 18 * as the author of the parts of the library used. 19 * This can be in the form of a textual message at program startup or 20 * in documentation (online or textual) provided with the package. 21 * 22 * Redistribution and use in source and binary forms, with or without 23 * modification, are permitted provided that the following conditions 24 * are met: 25 * 1. Redistributions of source code must retain the copyright 26 * notice, this list of conditions and the following disclaimer. 27 * 2. Redistributions in binary form must reproduce the above copyright 28 * notice, this list of conditions and the following disclaimer in the 29 * documentation and/or other materials provided with the distribution. 30 * 3. All advertising materials mentioning features or use of this software 31 * must display the following acknowledgement: 32 * "This product includes cryptographic software written by 33 * Eric Young (eay@cryptsoft.com)" 34 * The word 'cryptographic' can be left out if the rouines from the library 35 * being used are not cryptographic related :-). 36 * 4. If you include any Windows specific code (or a derivative thereof) from 37 * the apps directory (application code) you must include an acknowledgement: 38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 39 * 40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 50 * SUCH DAMAGE. 51 * 52 * The licence and distribution terms for any publically available version or 53 * derivative of this code cannot be changed. i.e. this code cannot simply be 54 * copied and put under another distribution licence 55 * [including the GNU Public Licence.] */ 56 57#include <openssl/asn1.h> 58#include <openssl/bio.h> 59#include <openssl/digest.h> 60#include <openssl/err.h> 61#include <openssl/evp.h> 62#include <openssl/mem.h> 63#include <openssl/obj.h> 64#include <openssl/x509.h> 65#include <openssl/x509v3.h> 66 67#include "../evp/internal.h" 68 69#ifndef OPENSSL_NO_FP_API 70int X509_print_ex_fp(FILE *fp, X509 *x, unsigned long nmflag, unsigned long cflag) 71 { 72 BIO *b; 73 int ret; 74 75 if ((b=BIO_new(BIO_s_file())) == NULL) 76 { 77 OPENSSL_PUT_ERROR(X509, X509_print_ex_fp, ERR_R_BUF_LIB); 78 return(0); 79 } 80 BIO_set_fp(b,fp,BIO_NOCLOSE); 81 ret=X509_print_ex(b, x, nmflag, cflag); 82 BIO_free(b); 83 return(ret); 84 } 85 86int X509_print_fp(FILE *fp, X509 *x) 87 { 88 return X509_print_ex_fp(fp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT); 89 } 90#endif 91 92int X509_print(BIO *bp, X509 *x) 93{ 94 return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT); 95} 96 97int X509_print_ex(BIO *bp, X509 *x, unsigned long nmflags, unsigned long cflag) 98 { 99 long l; 100 int ret=0,i; 101 char *m=NULL,mlch = ' '; 102 int nmindent = 0; 103 X509_CINF *ci; 104 ASN1_INTEGER *bs; 105 EVP_PKEY *pkey=NULL; 106 const char *neg; 107 108 if((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) { 109 mlch = '\n'; 110 nmindent = 12; 111 } 112 113 if(nmflags == X509_FLAG_COMPAT) 114 nmindent = 16; 115 116 ci=x->cert_info; 117 if(!(cflag & X509_FLAG_NO_HEADER)) 118 { 119 if (BIO_write(bp,"Certificate:\n",13) <= 0) goto err; 120 if (BIO_write(bp," Data:\n",10) <= 0) goto err; 121 } 122 if(!(cflag & X509_FLAG_NO_VERSION)) 123 { 124 l=X509_get_version(x); 125 if (BIO_printf(bp,"%8sVersion: %lu (0x%lx)\n","",l+1,l) <= 0) goto err; 126 } 127 if(!(cflag & X509_FLAG_NO_SERIAL)) 128 { 129 130 if (BIO_write(bp," Serial Number:",22) <= 0) goto err; 131 132 bs=X509_get_serialNumber(x); 133 if (bs->length <= (int)sizeof(long)) 134 { 135 l=ASN1_INTEGER_get(bs); 136 if (bs->type == V_ASN1_NEG_INTEGER) 137 { 138 l= -l; 139 neg="-"; 140 } 141 else 142 neg=""; 143 if (BIO_printf(bp," %s%lu (%s0x%lx)\n",neg,l,neg,l) <= 0) 144 goto err; 145 } 146 else 147 { 148 neg=(bs->type == V_ASN1_NEG_INTEGER)?" (Negative)":""; 149 if (BIO_printf(bp,"\n%12s%s","",neg) <= 0) goto err; 150 151 for (i=0; i<bs->length; i++) 152 { 153 if (BIO_printf(bp,"%02x%c",bs->data[i], 154 ((i+1 == bs->length)?'\n':':')) <= 0) 155 goto err; 156 } 157 } 158 159 } 160 161 if(!(cflag & X509_FLAG_NO_SIGNAME)) 162 { 163 if(X509_signature_print(bp, x->sig_alg, NULL) <= 0) 164 goto err; 165#if 0 166 if (BIO_printf(bp,"%8sSignature Algorithm: ","") <= 0) 167 goto err; 168 if (i2a_ASN1_OBJECT(bp, ci->signature->algorithm) <= 0) 169 goto err; 170 if (BIO_puts(bp, "\n") <= 0) 171 goto err; 172#endif 173 } 174 175 if(!(cflag & X509_FLAG_NO_ISSUER)) 176 { 177 if (BIO_printf(bp," Issuer:%c",mlch) <= 0) goto err; 178 if (X509_NAME_print_ex(bp,X509_get_issuer_name(x),nmindent, nmflags) < 0) goto err; 179 if (BIO_write(bp,"\n",1) <= 0) goto err; 180 } 181 if(!(cflag & X509_FLAG_NO_VALIDITY)) 182 { 183 if (BIO_write(bp," Validity\n",17) <= 0) goto err; 184 if (BIO_write(bp," Not Before: ",24) <= 0) goto err; 185 if (!ASN1_TIME_print(bp,X509_get_notBefore(x))) goto err; 186 if (BIO_write(bp,"\n Not After : ",25) <= 0) goto err; 187 if (!ASN1_TIME_print(bp,X509_get_notAfter(x))) goto err; 188 if (BIO_write(bp,"\n",1) <= 0) goto err; 189 } 190 if(!(cflag & X509_FLAG_NO_SUBJECT)) 191 { 192 if (BIO_printf(bp," Subject:%c",mlch) <= 0) goto err; 193 if (X509_NAME_print_ex(bp,X509_get_subject_name(x),nmindent, nmflags) < 0) goto err; 194 if (BIO_write(bp,"\n",1) <= 0) goto err; 195 } 196 if(!(cflag & X509_FLAG_NO_PUBKEY)) 197 { 198 if (BIO_write(bp," Subject Public Key Info:\n",33) <= 0) 199 goto err; 200 if (BIO_printf(bp,"%12sPublic Key Algorithm: ","") <= 0) 201 goto err; 202 if (i2a_ASN1_OBJECT(bp, ci->key->algor->algorithm) <= 0) 203 goto err; 204 if (BIO_puts(bp, "\n") <= 0) 205 goto err; 206 207 pkey=X509_get_pubkey(x); 208 if (pkey == NULL) 209 { 210 BIO_printf(bp,"%12sUnable to load Public Key\n",""); 211 BIO_print_errors(bp); 212 } 213 else 214 { 215 EVP_PKEY_print_public(bp, pkey, 16, NULL); 216 EVP_PKEY_free(pkey); 217 } 218 } 219 220 if(!(cflag & X509_FLAG_NO_IDS)) 221 { 222 if (ci->issuerUID) 223 { 224 if (BIO_printf(bp,"%8sIssuer Unique ID: ","") <= 0) 225 goto err; 226 if (!X509_signature_dump(bp, ci->issuerUID, 12)) 227 goto err; 228 } 229 if (ci->subjectUID) 230 { 231 if (BIO_printf(bp,"%8sSubject Unique ID: ","") <= 0) 232 goto err; 233 if (!X509_signature_dump(bp, ci->subjectUID, 12)) 234 goto err; 235 } 236 } 237 238 if (!(cflag & X509_FLAG_NO_EXTENSIONS)) 239 X509V3_extensions_print(bp, "X509v3 extensions", 240 ci->extensions, cflag, 8); 241 242 if(!(cflag & X509_FLAG_NO_SIGDUMP)) 243 { 244 if(X509_signature_print(bp, x->sig_alg, x->signature) <= 0) goto err; 245 } 246 if(!(cflag & X509_FLAG_NO_AUX)) 247 { 248 if (!X509_CERT_AUX_print(bp, x->aux, 0)) goto err; 249 } 250 ret=1; 251err: 252 if (m != NULL) OPENSSL_free(m); 253 return(ret); 254 } 255 256int X509_ocspid_print (BIO *bp, X509 *x) 257 { 258 unsigned char *der=NULL ; 259 unsigned char *dertmp; 260 int derlen; 261 int i; 262 unsigned char SHA1md[SHA_DIGEST_LENGTH]; 263 264 /* display the hash of the subject as it would appear 265 in OCSP requests */ 266 if (BIO_printf(bp," Subject OCSP hash: ") <= 0) 267 goto err; 268 derlen = i2d_X509_NAME(x->cert_info->subject, NULL); 269 if ((der = dertmp = (unsigned char *)OPENSSL_malloc (derlen)) == NULL) 270 goto err; 271 i2d_X509_NAME(x->cert_info->subject, &dertmp); 272 273 if (!EVP_Digest(der, derlen, SHA1md, NULL, EVP_sha1(), NULL)) 274 goto err; 275 for (i=0; i < SHA_DIGEST_LENGTH; i++) 276 { 277 if (BIO_printf(bp,"%02X",SHA1md[i]) <= 0) goto err; 278 } 279 OPENSSL_free (der); 280 der=NULL; 281 282 /* display the hash of the public key as it would appear 283 in OCSP requests */ 284 if (BIO_printf(bp,"\n Public key OCSP hash: ") <= 0) 285 goto err; 286 287 if (!EVP_Digest(x->cert_info->key->public_key->data, 288 x->cert_info->key->public_key->length, 289 SHA1md, NULL, EVP_sha1(), NULL)) 290 goto err; 291 for (i=0; i < SHA_DIGEST_LENGTH; i++) 292 { 293 if (BIO_printf(bp,"%02X",SHA1md[i]) <= 0) 294 goto err; 295 } 296 BIO_printf(bp,"\n"); 297 298 return (1); 299err: 300 if (der != NULL) OPENSSL_free(der); 301 return(0); 302 } 303 304int X509_signature_print(BIO *bp, X509_ALGOR *sigalg, ASN1_STRING *sig) 305{ 306 int sig_nid; 307 if (BIO_puts(bp," Signature Algorithm: ") <= 0) return 0; 308 if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0) return 0; 309 310 sig_nid = OBJ_obj2nid(sigalg->algorithm); 311 if (sig_nid != NID_undef) 312 { 313 int pkey_nid, dig_nid; 314 const EVP_PKEY_ASN1_METHOD *ameth; 315 if (OBJ_find_sigid_algs(sig_nid, &dig_nid, &pkey_nid)) 316 { 317 ameth = EVP_PKEY_asn1_find(NULL, pkey_nid); 318 if (ameth && ameth->sig_print) 319 return ameth->sig_print(bp, sigalg, sig, 9, 0); 320 } 321 } 322 if (sig) 323 return X509_signature_dump(bp, sig, 9); 324 else if (BIO_puts(bp, "\n") <= 0) 325 return 0; 326 return 1; 327} 328 329int ASN1_STRING_print(BIO *bp, const ASN1_STRING *v) 330 { 331 int i,n; 332 char buf[80]; 333 const char *p; 334 335 if (v == NULL) return(0); 336 n=0; 337 p=(const char *)v->data; 338 for (i=0; i<v->length; i++) 339 { 340 if ((p[i] > '~') || ((p[i] < ' ') && 341 (p[i] != '\n') && (p[i] != '\r'))) 342 buf[n]='.'; 343 else 344 buf[n]=p[i]; 345 n++; 346 if (n >= 80) 347 { 348 if (BIO_write(bp,buf,n) <= 0) 349 return(0); 350 n=0; 351 } 352 } 353 if (n > 0) 354 if (BIO_write(bp,buf,n) <= 0) 355 return(0); 356 return(1); 357 } 358 359int ASN1_TIME_print(BIO *bp, const ASN1_TIME *tm) 360{ 361 if(tm->type == V_ASN1_UTCTIME) return ASN1_UTCTIME_print(bp, tm); 362 if(tm->type == V_ASN1_GENERALIZEDTIME) 363 return ASN1_GENERALIZEDTIME_print(bp, tm); 364 BIO_write(bp,"Bad time value",14); 365 return(0); 366} 367 368static const char *mon[12]= 369 { 370 "Jan","Feb","Mar","Apr","May","Jun", 371 "Jul","Aug","Sep","Oct","Nov","Dec" 372 }; 373 374int ASN1_GENERALIZEDTIME_print(BIO *bp, const ASN1_GENERALIZEDTIME *tm) 375 { 376 char *v; 377 int gmt=0; 378 int i; 379 int y=0,M=0,d=0,h=0,m=0,s=0; 380 char *f = NULL; 381 int f_len = 0; 382 383 i=tm->length; 384 v=(char *)tm->data; 385 386 if (i < 12) goto err; 387 if (v[i-1] == 'Z') gmt=1; 388 for (i=0; i<12; i++) 389 if ((v[i] > '9') || (v[i] < '0')) goto err; 390 y= (v[0]-'0')*1000+(v[1]-'0')*100 + (v[2]-'0')*10+(v[3]-'0'); 391 M= (v[4]-'0')*10+(v[5]-'0'); 392 if ((M > 12) || (M < 1)) goto err; 393 d= (v[6]-'0')*10+(v[7]-'0'); 394 h= (v[8]-'0')*10+(v[9]-'0'); 395 m= (v[10]-'0')*10+(v[11]-'0'); 396 if (tm->length >= 14 && 397 (v[12] >= '0') && (v[12] <= '9') && 398 (v[13] >= '0') && (v[13] <= '9')) 399 { 400 s= (v[12]-'0')*10+(v[13]-'0'); 401 /* Check for fractions of seconds. */ 402 if (tm->length >= 15 && v[14] == '.') 403 { 404 int l = tm->length; 405 f = &v[14]; /* The decimal point. */ 406 f_len = 1; 407 while (14 + f_len < l && f[f_len] >= '0' && f[f_len] <= '9') 408 ++f_len; 409 } 410 } 411 412 if (BIO_printf(bp,"%s %2d %02d:%02d:%02d%.*s %d%s", 413 mon[M-1],d,h,m,s,f_len,f,y,(gmt)?" GMT":"") <= 0) 414 return(0); 415 else 416 return(1); 417err: 418 BIO_write(bp,"Bad time value",14); 419 return(0); 420 } 421 422int ASN1_UTCTIME_print(BIO *bp, const ASN1_UTCTIME *tm) 423 { 424 const char *v; 425 int gmt=0; 426 int i; 427 int y=0,M=0,d=0,h=0,m=0,s=0; 428 429 i=tm->length; 430 v=(const char *)tm->data; 431 432 if (i < 10) goto err; 433 if (v[i-1] == 'Z') gmt=1; 434 for (i=0; i<10; i++) 435 if ((v[i] > '9') || (v[i] < '0')) goto err; 436 y= (v[0]-'0')*10+(v[1]-'0'); 437 if (y < 50) y+=100; 438 M= (v[2]-'0')*10+(v[3]-'0'); 439 if ((M > 12) || (M < 1)) goto err; 440 d= (v[4]-'0')*10+(v[5]-'0'); 441 h= (v[6]-'0')*10+(v[7]-'0'); 442 m= (v[8]-'0')*10+(v[9]-'0'); 443 if (tm->length >=12 && 444 (v[10] >= '0') && (v[10] <= '9') && 445 (v[11] >= '0') && (v[11] <= '9')) 446 s= (v[10]-'0')*10+(v[11]-'0'); 447 448 if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s", 449 mon[M-1],d,h,m,s,y+1900,(gmt)?" GMT":"") <= 0) 450 return(0); 451 else 452 return(1); 453err: 454 BIO_write(bp,"Bad time value",14); 455 return(0); 456 } 457 458int X509_NAME_print(BIO *bp, X509_NAME *name, int obase) 459 { 460 char *s,*c,*b; 461 int ret=0,l,i; 462 463 l=80-2-obase; 464 465 b=X509_NAME_oneline(name,NULL,0); 466 if (!b) 467 return 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 if ( ((*s == '/') && 479 ((s[1] >= 'A') && (s[1] <= 'Z') && ( 480 (s[2] == '=') || 481 ((s[2] >= 'A') && (s[2] <= 'Z') && 482 (s[3] == '=')) 483 ))) || 484 (*s == '\0')) 485 { 486 i=s-c; 487 if (BIO_write(bp,c,i) != i) goto err; 488 c=s+1; /* skip following slash */ 489 if (*s != '\0') 490 { 491 if (BIO_write(bp,", ",2) != 2) goto err; 492 } 493 l--; 494 } 495 if (*s == '\0') break; 496 s++; 497 l--; 498 } 499 500 ret=1; 501 if (0) 502 { 503err: 504 OPENSSL_PUT_ERROR(X509, X509_NAME_print, ERR_R_BUF_LIB); 505 } 506 OPENSSL_free(b); 507 return(ret); 508 } 509