1 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com) 2 * All rights reserved. 3 * 4 * This package is an SSL implementation written 5 * by Eric Young (eay (at) 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 (at) 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 (at) 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 (at) 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 70 int 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, 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 86 int 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 92 int X509_print(BIO *bp, X509 *x) 93 { 94 return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT); 95 } 96 97 int 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, ci->signature, NULL) <= 0) 164 goto err; 165 } 166 167 if(!(cflag & X509_FLAG_NO_ISSUER)) 168 { 169 if (BIO_printf(bp," Issuer:%c",mlch) <= 0) goto err; 170 if (X509_NAME_print_ex(bp,X509_get_issuer_name(x),nmindent, nmflags) < 0) goto err; 171 if (BIO_write(bp,"\n",1) <= 0) goto err; 172 } 173 if(!(cflag & X509_FLAG_NO_VALIDITY)) 174 { 175 if (BIO_write(bp," Validity\n",17) <= 0) goto err; 176 if (BIO_write(bp," Not Before: ",24) <= 0) goto err; 177 if (!ASN1_TIME_print(bp,X509_get_notBefore(x))) goto err; 178 if (BIO_write(bp,"\n Not After : ",25) <= 0) goto err; 179 if (!ASN1_TIME_print(bp,X509_get_notAfter(x))) goto err; 180 if (BIO_write(bp,"\n",1) <= 0) goto err; 181 } 182 if(!(cflag & X509_FLAG_NO_SUBJECT)) 183 { 184 if (BIO_printf(bp," Subject:%c",mlch) <= 0) goto err; 185 if (X509_NAME_print_ex(bp,X509_get_subject_name(x),nmindent, nmflags) < 0) goto err; 186 if (BIO_write(bp,"\n",1) <= 0) goto err; 187 } 188 if(!(cflag & X509_FLAG_NO_PUBKEY)) 189 { 190 if (BIO_write(bp," Subject Public Key Info:\n",33) <= 0) 191 goto err; 192 if (BIO_printf(bp,"%12sPublic Key Algorithm: ","") <= 0) 193 goto err; 194 if (i2a_ASN1_OBJECT(bp, ci->key->algor->algorithm) <= 0) 195 goto err; 196 if (BIO_puts(bp, "\n") <= 0) 197 goto err; 198 199 pkey=X509_get_pubkey(x); 200 if (pkey == NULL) 201 { 202 BIO_printf(bp,"%12sUnable to load Public Key\n",""); 203 BIO_print_errors(bp); 204 } 205 else 206 { 207 EVP_PKEY_print_public(bp, pkey, 16, NULL); 208 EVP_PKEY_free(pkey); 209 } 210 } 211 212 if(!(cflag & X509_FLAG_NO_IDS)) 213 { 214 if (ci->issuerUID) 215 { 216 if (BIO_printf(bp,"%8sIssuer Unique ID: ","") <= 0) 217 goto err; 218 if (!X509_signature_dump(bp, ci->issuerUID, 12)) 219 goto err; 220 } 221 if (ci->subjectUID) 222 { 223 if (BIO_printf(bp,"%8sSubject Unique ID: ","") <= 0) 224 goto err; 225 if (!X509_signature_dump(bp, ci->subjectUID, 12)) 226 goto err; 227 } 228 } 229 230 if (!(cflag & X509_FLAG_NO_EXTENSIONS)) 231 X509V3_extensions_print(bp, "X509v3 extensions", 232 ci->extensions, cflag, 8); 233 234 if(!(cflag & X509_FLAG_NO_SIGDUMP)) 235 { 236 if(X509_signature_print(bp, x->sig_alg, x->signature) <= 0) goto err; 237 } 238 if(!(cflag & X509_FLAG_NO_AUX)) 239 { 240 if (!X509_CERT_AUX_print(bp, x->aux, 0)) goto err; 241 } 242 ret=1; 243 err: 244 if (m != NULL) OPENSSL_free(m); 245 return(ret); 246 } 247 248 int X509_ocspid_print (BIO *bp, X509 *x) 249 { 250 unsigned char *der=NULL ; 251 unsigned char *dertmp; 252 int derlen; 253 int i; 254 unsigned char SHA1md[SHA_DIGEST_LENGTH]; 255 256 /* display the hash of the subject as it would appear 257 in OCSP requests */ 258 if (BIO_printf(bp," Subject OCSP hash: ") <= 0) 259 goto err; 260 derlen = i2d_X509_NAME(x->cert_info->subject, NULL); 261 if ((der = dertmp = (unsigned char *)OPENSSL_malloc (derlen)) == NULL) 262 goto err; 263 i2d_X509_NAME(x->cert_info->subject, &dertmp); 264 265 if (!EVP_Digest(der, derlen, SHA1md, NULL, EVP_sha1(), NULL)) 266 goto err; 267 for (i=0; i < SHA_DIGEST_LENGTH; i++) 268 { 269 if (BIO_printf(bp,"%02X",SHA1md[i]) <= 0) goto err; 270 } 271 OPENSSL_free (der); 272 der=NULL; 273 274 /* display the hash of the public key as it would appear 275 in OCSP requests */ 276 if (BIO_printf(bp,"\n Public key OCSP hash: ") <= 0) 277 goto err; 278 279 if (!EVP_Digest(x->cert_info->key->public_key->data, 280 x->cert_info->key->public_key->length, 281 SHA1md, NULL, EVP_sha1(), NULL)) 282 goto err; 283 for (i=0; i < SHA_DIGEST_LENGTH; i++) 284 { 285 if (BIO_printf(bp,"%02X",SHA1md[i]) <= 0) 286 goto err; 287 } 288 BIO_printf(bp,"\n"); 289 290 return (1); 291 err: 292 if (der != NULL) OPENSSL_free(der); 293 return(0); 294 } 295 296 int X509_signature_print(BIO *bp, X509_ALGOR *sigalg, ASN1_STRING *sig) 297 { 298 int sig_nid; 299 if (BIO_puts(bp," Signature Algorithm: ") <= 0) return 0; 300 if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0) return 0; 301 302 sig_nid = OBJ_obj2nid(sigalg->algorithm); 303 if (sig_nid != NID_undef) 304 { 305 int pkey_nid, dig_nid; 306 const EVP_PKEY_ASN1_METHOD *ameth; 307 if (OBJ_find_sigid_algs(sig_nid, &dig_nid, &pkey_nid)) 308 { 309 ameth = EVP_PKEY_asn1_find(NULL, pkey_nid); 310 if (ameth && ameth->sig_print) 311 return ameth->sig_print(bp, sigalg, sig, 9, 0); 312 } 313 } 314 if (sig) 315 return X509_signature_dump(bp, sig, 9); 316 else if (BIO_puts(bp, "\n") <= 0) 317 return 0; 318 return 1; 319 } 320 321 int ASN1_STRING_print(BIO *bp, const ASN1_STRING *v) 322 { 323 int i,n; 324 char buf[80]; 325 const char *p; 326 327 if (v == NULL) return(0); 328 n=0; 329 p=(const char *)v->data; 330 for (i=0; i<v->length; i++) 331 { 332 if ((p[i] > '~') || ((p[i] < ' ') && 333 (p[i] != '\n') && (p[i] != '\r'))) 334 buf[n]='.'; 335 else 336 buf[n]=p[i]; 337 n++; 338 if (n >= 80) 339 { 340 if (BIO_write(bp,buf,n) <= 0) 341 return(0); 342 n=0; 343 } 344 } 345 if (n > 0) 346 if (BIO_write(bp,buf,n) <= 0) 347 return(0); 348 return(1); 349 } 350 351 int ASN1_TIME_print(BIO *bp, const ASN1_TIME *tm) 352 { 353 if(tm->type == V_ASN1_UTCTIME) return ASN1_UTCTIME_print(bp, tm); 354 if(tm->type == V_ASN1_GENERALIZEDTIME) 355 return ASN1_GENERALIZEDTIME_print(bp, tm); 356 BIO_write(bp,"Bad time value",14); 357 return(0); 358 } 359 360 static const char *const mon[12]= 361 { 362 "Jan","Feb","Mar","Apr","May","Jun", 363 "Jul","Aug","Sep","Oct","Nov","Dec" 364 }; 365 366 int ASN1_GENERALIZEDTIME_print(BIO *bp, const ASN1_GENERALIZEDTIME *tm) 367 { 368 char *v; 369 int gmt=0; 370 int i; 371 int y=0,M=0,d=0,h=0,m=0,s=0; 372 char *f = NULL; 373 int f_len = 0; 374 375 i=tm->length; 376 v=(char *)tm->data; 377 378 if (i < 12) goto err; 379 if (v[i-1] == 'Z') gmt=1; 380 for (i=0; i<12; i++) 381 if ((v[i] > '9') || (v[i] < '0')) goto err; 382 y= (v[0]-'0')*1000+(v[1]-'0')*100 + (v[2]-'0')*10+(v[3]-'0'); 383 M= (v[4]-'0')*10+(v[5]-'0'); 384 if ((M > 12) || (M < 1)) goto err; 385 d= (v[6]-'0')*10+(v[7]-'0'); 386 h= (v[8]-'0')*10+(v[9]-'0'); 387 m= (v[10]-'0')*10+(v[11]-'0'); 388 if (tm->length >= 14 && 389 (v[12] >= '0') && (v[12] <= '9') && 390 (v[13] >= '0') && (v[13] <= '9')) 391 { 392 s= (v[12]-'0')*10+(v[13]-'0'); 393 /* Check for fractions of seconds. */ 394 if (tm->length >= 15 && v[14] == '.') 395 { 396 int l = tm->length; 397 f = &v[14]; /* The decimal point. */ 398 f_len = 1; 399 while (14 + f_len < l && f[f_len] >= '0' && f[f_len] <= '9') 400 ++f_len; 401 } 402 } 403 404 if (BIO_printf(bp,"%s %2d %02d:%02d:%02d%.*s %d%s", 405 mon[M-1],d,h,m,s,f_len,f,y,(gmt)?" GMT":"") <= 0) 406 return(0); 407 else 408 return(1); 409 err: 410 BIO_write(bp,"Bad time value",14); 411 return(0); 412 } 413 414 int ASN1_UTCTIME_print(BIO *bp, const ASN1_UTCTIME *tm) 415 { 416 const char *v; 417 int gmt=0; 418 int i; 419 int y=0,M=0,d=0,h=0,m=0,s=0; 420 421 i=tm->length; 422 v=(const char *)tm->data; 423 424 if (i < 10) goto err; 425 if (v[i-1] == 'Z') gmt=1; 426 for (i=0; i<10; i++) 427 if ((v[i] > '9') || (v[i] < '0')) goto err; 428 y= (v[0]-'0')*10+(v[1]-'0'); 429 if (y < 50) y+=100; 430 M= (v[2]-'0')*10+(v[3]-'0'); 431 if ((M > 12) || (M < 1)) goto err; 432 d= (v[4]-'0')*10+(v[5]-'0'); 433 h= (v[6]-'0')*10+(v[7]-'0'); 434 m= (v[8]-'0')*10+(v[9]-'0'); 435 if (tm->length >=12 && 436 (v[10] >= '0') && (v[10] <= '9') && 437 (v[11] >= '0') && (v[11] <= '9')) 438 s= (v[10]-'0')*10+(v[11]-'0'); 439 440 if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s", 441 mon[M-1],d,h,m,s,y+1900,(gmt)?" GMT":"") <= 0) 442 return(0); 443 else 444 return(1); 445 err: 446 BIO_write(bp,"Bad time value",14); 447 return(0); 448 } 449 450 int X509_NAME_print(BIO *bp, X509_NAME *name, int obase) 451 { 452 char *s,*c,*b; 453 int ret=0,l,i; 454 455 l=80-2-obase; 456 457 b=X509_NAME_oneline(name,NULL,0); 458 if (!b) 459 return 0; 460 if (!*b) 461 { 462 OPENSSL_free(b); 463 return 1; 464 } 465 s=b+1; /* skip the first slash */ 466 467 c=s; 468 for (;;) 469 { 470 if ( ((*s == '/') && 471 ((s[1] >= 'A') && (s[1] <= 'Z') && ( 472 (s[2] == '=') || 473 ((s[2] >= 'A') && (s[2] <= 'Z') && 474 (s[3] == '=')) 475 ))) || 476 (*s == '\0')) 477 { 478 i=s-c; 479 if (BIO_write(bp,c,i) != i) goto err; 480 c=s+1; /* skip following slash */ 481 if (*s != '\0') 482 { 483 if (BIO_write(bp,", ",2) != 2) goto err; 484 } 485 l--; 486 } 487 if (*s == '\0') break; 488 s++; 489 l--; 490 } 491 492 ret=1; 493 if (0) 494 { 495 err: 496 OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB); 497 } 498 OPENSSL_free(b); 499 return(ret); 500 } 501