crypto/openssl/crypto/asn1/t_x509.c

   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         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
 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                 s=  (v[12]-'0')*10+(v[13]-'0');
 400
 401         if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s",
 402                 mon[M-1],d,h,m,s,y,(gmt)?" GMT":"") <= 0)
 403                 return(0);
 404         else
 405                 return(1);
 406 err:
 407         BIO_write(bp,"Bad time value",14);
 408         return(0);
 409         }
 410
 411 int ASN1_UTCTIME_print(BIO *bp, ASN1_UTCTIME *tm)
 412         {
 413         char *v;
 414         int gmt=0;
 415         int i;
 416         int y=0,M=0,d=0,h=0,m=0,s=0;
 417
 418         i=tm->length;
 419         v=(char *)tm->data;
 420
 421         if (i < 10) goto err;
 422         if (v[i-1] == 'Z') gmt=1;
 423         for (i=0; i<10; i++)
 424                 if ((v[i] > '9') || (v[i] < '0')) goto err;
 425         y= (v[0]-'0')*10+(v[1]-'0');
 426         if (y < 50) y+=100;
 427         M= (v[2]-'0')*10+(v[3]-'0');
 428         if ((M > 12) || (M < 1)) goto err;
 429         d= (v[4]-'0')*10+(v[5]-'0');
 430         h= (v[6]-'0')*10+(v[7]-'0');
 431         m=  (v[8]-'0')*10+(v[9]-'0');
 432         if (tm->length >=12 &&
 433             (v[10] >= '0') && (v[10] <= '9') &&
 434             (v[11] >= '0') && (v[11] <= '9'))
 435                 s=  (v[10]-'0')*10+(v[11]-'0');
 436
 437         if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s",
 438                 mon[M-1],d,h,m,s,y+1900,(gmt)?" GMT":"") <= 0)
 439                 return(0);
 440         else
 441                 return(1);
 442 err:
 443         BIO_write(bp,"Bad time value",14);
 444         return(0);
 445         }
 446
 447 int X509_NAME_print(BIO *bp, X509_NAME *name, int obase)
 448         {
 449         char *s,*c,*b;
 450         int ret=0,l,i;
 451
 452         l=80-2-obase;
 453
 454         b=X509_NAME_oneline(name,NULL,0);
 455         if (!*b)
 456                 {
 457                 OPENSSL_free(b);
 458                 return 1;
 459                 }
 460         s=b+1; /* skip the first slash */
 461
 462         c=s;
 463         for (;;)
 464                 {
 465 #ifndef CHARSET_EBCDIC
 466                 if (    ((*s == '/') &&
 467                                 ((s[1] >= 'A') && (s[1] <= 'Z') && (
 468                                         (s[2] == '=') ||
 469                                         ((s[2] >= 'A') && (s[2] <= 'Z') &&
 470                                         (s[3] == '='))
 471                                  ))) ||
 472                         (*s == '\0'))
 473 #else
 474                 if (    ((*s == '/') &&
 475                                 (isupper(s[1]) && (
 476                                         (s[2] == '=') ||
 477                                         (isupper(s[2]) &&
 478                                         (s[3] == '='))
 479                                  ))) ||
 480                         (*s == '\0'))
 481 #endif
 482                         {
 483                         i=s-c;
 484                         if (BIO_write(bp,c,i) != i) goto err;
 485                         c=s+1;  /* skip following slash */
 486                         if (*s != '\0')
 487                                 {
 488                                 if (BIO_write(bp,", ",2) != 2) goto err;
 489                                 }
 490                         l--;
 491                         }
 492                 if (*s == '\0') break;
 493                 s++;
 494                 l--;
 495                 }
 496
 497         ret=1;
 498         if (0)
 499                 {
 500 err:
 501                 X509err(X509_F_X509_NAME_PRINT,ERR_R_BUF_LIB);
 502                 }
 503         OPENSSL_free(b);
 504         return(ret);
 505         }