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 NO_RSA
  64 #include <openssl/rsa.h>
  65 #endif
  66 #ifndef NO_DSA
  67 #include <openssl/dsa.h>
  68 #endif
  69 #include <openssl/objects.h>
  70 #include <openssl/x509.h>
  71 #include <openssl/x509v3.h>
  72
  73 #ifndef NO_FP_API
  74 int X509_print_fp(FILE *fp, X509 *x)
  75         {
  76         return X509_print_ex_fp(fp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
  77         }
  78
  79 int X509_print_ex_fp(FILE *fp, X509 *x, unsigned long nmflag, unsigned long cflag)
  80         {
  81         BIO *b;
  82         int ret;
  83
  84         if ((b=BIO_new(BIO_s_file())) == NULL)
  85                 {
  86                 X509err(X509_F_X509_PRINT_FP,ERR_R_BUF_LIB);
  87                 return(0);
  88                 }
  89         BIO_set_fp(b,fp,BIO_NOCLOSE);
  90         ret=X509_print_ex(b, x, nmflag, cflag);
  91         BIO_free(b);
  92         return(ret);
  93         }
  94 #endif
  95
  96 int X509_print(BIO *bp, X509 *x)
  97 {
  98         return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
  99 }
 100
 101 int X509_print_ex(BIO *bp, X509 *x, unsigned long nmflags, unsigned long cflag)
 102         {
 103         long l;
 104         int ret=0,i;
 105         char *m=NULL,mlch = ' ';
 106         int nmindent = 0;
 107         X509_CINF *ci;
 108         ASN1_INTEGER *bs;
 109         EVP_PKEY *pkey=NULL;
 110         const char *neg;
 111         ASN1_STRING *str=NULL;
 112
 113         if((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
 114                         mlch = '\n';
 115                         nmindent = 16;
 116         }
 117
 118         if(nmflags == X509_FLAG_COMPAT)
 119                 nmindent = 16;
 120
 121         ci=x->cert_info;
 122         if(!(cflag & X509_FLAG_NO_HEADER))
 123                 {
 124                 if (BIO_write(bp,"Certificate:\n",13) <= 0) goto err;
 125                 if (BIO_write(bp,"    Data:\n",10) <= 0) goto err;
 126                 }
 127         if(!(cflag & X509_FLAG_NO_VERSION))
 128                 {
 129                 l=X509_get_version(x);
 130                 if (BIO_printf(bp,"%8sVersion: %lu (0x%lx)\n","",l+1,l) <= 0) goto err;
 131                 }
 132         if(!(cflag & X509_FLAG_NO_SERIAL))
 133                 {
 134
 135                 if (BIO_write(bp,"        Serial Number:",22) <= 0) goto err;
 136
 137                 bs=X509_get_serialNumber(x);
 138                 if (bs->length <= 4)
 139                         {
 140                         l=ASN1_INTEGER_get(bs);
 141                         if (l < 0)
 142                                 {
 143                                 l= -l;
 144                                 neg="-";
 145                                 }
 146                         else
 147                                 neg="";
 148                         if (BIO_printf(bp," %s%lu (%s0x%lx)\n",neg,l,neg,l) <= 0)
 149                                 goto err;
 150                         }
 151                 else
 152                         {
 153                         neg=(bs->type == V_ASN1_NEG_INTEGER)?" (Negative)":"";
 154                         if (BIO_printf(bp,"\n%12s%s","",neg) <= 0) goto err;
 155
 156                         for (i=0; i<bs->length; i++)
 157                                 {
 158                                 if (BIO_printf(bp,"%02x%c",bs->data[i],
 159                                         ((i+1 == bs->length)?'\n':':')) <= 0)
 160                                         goto err;
 161                                 }
 162                         }
 163
 164                 }
 165
 166         if(!(cflag & X509_FLAG_NO_SIGNAME))
 167                 {
 168                 i=OBJ_obj2nid(ci->signature->algorithm);
 169                 if (BIO_printf(bp,"%8sSignature Algorithm: %s\n","",
 170                         (i == NID_undef)?"UNKNOWN":OBJ_nid2ln(i)) <= 0)
 171                         goto err;
 172                 }
 173
 174         if(!(cflag & X509_FLAG_NO_ISSUER))
 175                 {
 176                 if (BIO_printf(bp,"        Issuer:%c",mlch) <= 0) goto err;
 177                 if (!X509_NAME_print_ex(bp,X509_get_issuer_name(x),nmindent, nmflags)) goto err;
 178                 }
 179         if(!(cflag & X509_FLAG_NO_VALIDITY))
 180                 {
 181                 if (BIO_write(bp,"\n        Validity\n",18) <= 0) goto err;
 182                 if (BIO_write(bp,"            Not Before: ",24) <= 0) goto err;
 183                 if (!ASN1_TIME_print(bp,X509_get_notBefore(x))) goto err;
 184                 if (BIO_write(bp,"\n            Not After : ",25) <= 0) goto err;
 185                 if (!ASN1_TIME_print(bp,X509_get_notAfter(x))) goto err;
 186                 if (BIO_write(bp,"\n",1) <= 0) goto err;
 187                 }
 188         if(!(cflag & X509_FLAG_NO_SUBJECT))
 189                 {
 190                 if (BIO_printf(bp,"        Subject:%c",mlch) <= 0) goto err;
 191                 if (!X509_NAME_print_ex(bp,X509_get_subject_name(x),nmindent, nmflags)) goto err;
 192                 }
 193         if(!(cflag & X509_FLAG_NO_PUBKEY))
 194                 {
 195                 if (BIO_write(bp,"\n        Subject Public Key Info:\n",34) <= 0)
 196                         goto err;
 197                 i=OBJ_obj2nid(ci->key->algor->algorithm);
 198                 if (BIO_printf(bp,"%12sPublic Key Algorithm: %s\n","",
 199                         (i == NID_undef)?"UNKNOWN":OBJ_nid2ln(i)) <= 0) goto err;
 200
 201                 pkey=X509_get_pubkey(x);
 202                 if (pkey == NULL)
 203                         {
 204                         BIO_printf(bp,"%12sUnable to load Public Key\n","");
 205                         ERR_print_errors(bp);
 206                         }
 207                 else
 208 #ifndef NO_RSA
 209                 if (pkey->type == EVP_PKEY_RSA)
 210                         {
 211                         BIO_printf(bp,"%12sRSA Public Key: (%d bit)\n","",
 212                         BN_num_bits(pkey->pkey.rsa->n));
 213                         RSA_print(bp,pkey->pkey.rsa,16);
 214                         }
 215                 else
 216 #endif
 217 #ifndef NO_DSA
 218                 if (pkey->type == EVP_PKEY_DSA)
 219                         {
 220                         BIO_printf(bp,"%12sDSA Public Key:\n","");
 221                         DSA_print(bp,pkey->pkey.dsa,16);
 222                         }
 223                 else
 224 #endif
 225                         BIO_printf(bp,"%12sUnknown Public Key:\n","");
 226
 227                 EVP_PKEY_free(pkey);
 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 (str != NULL) ASN1_STRING_free(str);
 245         if (m != NULL) OPENSSL_free(m);
 246         return(ret);
 247         }
 248
 249 int X509_ocspid_print (BIO *bp, X509 *x)
 250         {
 251         unsigned char *der=NULL ;
 252         unsigned char *dertmp;
 253         int derlen;
 254         int i;
 255         SHA_CTX SHA1buf ;
 256         unsigned char SHA1md[SHA_DIGEST_LENGTH];
 257
 258         /* display the hash of the subject as it would appear
 259            in OCSP requests */
 260         if (BIO_printf(bp,"        Subject OCSP hash: ") <= 0)
 261                 goto err;
 262         derlen = i2d_X509_NAME(x->cert_info->subject, NULL);
 263         if ((der = dertmp = (unsigned char *)OPENSSL_malloc (derlen)) == NULL)
 264                 goto err;
 265         i2d_X509_NAME(x->cert_info->subject, &dertmp);
 266
 267         SHA1_Init(&SHA1buf);
 268         SHA1_Update(&SHA1buf, der, derlen);
 269         SHA1_Final(SHA1md,&SHA1buf);
 270         for (i=0; i < SHA_DIGEST_LENGTH; i++)
 271                 {
 272                 if (BIO_printf(bp,"%02X",SHA1md[i]) <= 0) goto err;
 273                 }
 274         OPENSSL_free (der);
 275         der=NULL;
 276
 277         /* display the hash of the public key as it would appear
 278            in OCSP requests */
 279         if (BIO_printf(bp,"\n        Public key OCSP hash: ") <= 0)
 280                 goto err;
 281
 282         SHA1_Init(&SHA1buf);
 283         SHA1_Update(&SHA1buf, x->cert_info->key->public_key->data,
 284                 x->cert_info->key->public_key->length);
 285         SHA1_Final(SHA1md,&SHA1buf);
 286         for (i=0; i < SHA_DIGEST_LENGTH; i++)
 287                 {
 288                 if (BIO_printf(bp,"%02X",SHA1md[i]) <= 0)
 289                         goto err;
 290                 }
 291         BIO_printf(bp,"\n");
 292
 293         return (1);
 294 err:
 295         if (der != NULL) OPENSSL_free(der);
 296         return(0);
 297         }
 298
 299 int X509_signature_print(BIO *bp, X509_ALGOR *sigalg, ASN1_STRING *sig)
 300 {
 301         unsigned char *s;
 302         int i, n;
 303         if (BIO_puts(bp,"    Signature Algorithm: ") <= 0) return 0;
 304         if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0) return 0;
 305
 306         n=sig->length;
 307         s=sig->data;
 308         for (i=0; i<n; i++)
 309                 {
 310                 if ((i%18) == 0)
 311                         if (BIO_write(bp,"\n        ",9) <= 0) return 0;
 312                         if (BIO_printf(bp,"%02x%s",s[i],
 313                                 ((i+1) == n)?"":":") <= 0) return 0;
 314                 }
 315         if (BIO_write(bp,"\n",1) != 1) return 0;
 316         return 1;
 317 }
 318
 319 int ASN1_STRING_print(BIO *bp, ASN1_STRING *v)
 320         {
 321         int i,n;
 322         char buf[80],*p;;
 323
 324         if (v == NULL) return(0);
 325         n=0;
 326         p=(char *)v->data;
 327         for (i=0; i<v->length; i++)
 328                 {
 329                 if ((p[i] > '~') || ((p[i] < ' ') &&
 330                         (p[i] != '\n') && (p[i] != '\r')))
 331                         buf[n]='.';
 332                 else
 333                         buf[n]=p[i];
 334                 n++;
 335                 if (n >= 80)
 336                         {
 337                         if (BIO_write(bp,buf,n) <= 0)
 338                                 return(0);
 339                         n=0;
 340                         }
 341                 }
 342         if (n > 0)
 343                 if (BIO_write(bp,buf,n) <= 0)
 344                         return(0);
 345         return(1);
 346         }
 347
 348 int ASN1_TIME_print(BIO *bp, ASN1_TIME *tm)
 349 {
 350         if(tm->type == V_ASN1_UTCTIME) return ASN1_UTCTIME_print(bp, tm);
 351         if(tm->type == V_ASN1_GENERALIZEDTIME)
 352                                 return ASN1_GENERALIZEDTIME_print(bp, tm);
 353         BIO_write(bp,"Bad time value",14);
 354         return(0);
 355 }
 356
 357 static const char *mon[12]=
 358     {
 359     "Jan","Feb","Mar","Apr","May","Jun",
 360     "Jul","Aug","Sep","Oct","Nov","Dec"
 361     };
 362
 363 int ASN1_GENERALIZEDTIME_print(BIO *bp, ASN1_GENERALIZEDTIME *tm)
 364         {
 365         char *v;
 366         int gmt=0;
 367         int i;
 368         int y=0,M=0,d=0,h=0,m=0,s=0;
 369
 370         i=tm->length;
 371         v=(char *)tm->data;
 372
 373         if (i < 12) goto err;
 374         if (v[i-1] == 'Z') gmt=1;
 375         for (i=0; i<12; i++)
 376                 if ((v[i] > '9') || (v[i] < '0')) goto err;
 377         y= (v[0]-'0')*1000+(v[1]-'0')*100 + (v[2]-'0')*10+(v[3]-'0');
 378         M= (v[4]-'0')*10+(v[5]-'0');
 379         if ((M > 12) || (M < 1)) goto err;
 380         d= (v[6]-'0')*10+(v[7]-'0');
 381         h= (v[8]-'0')*10+(v[9]-'0');
 382         m=  (v[10]-'0')*10+(v[11]-'0');
 383         if (    (v[12] >= '0') && (v[12] <= '9') &&
 384                 (v[13] >= '0') && (v[13] <= '9'))
 385                 s=  (v[12]-'0')*10+(v[13]-'0');
 386
 387         if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s",
 388                 mon[M-1],d,h,m,s,y,(gmt)?" GMT":"") <= 0)
 389                 return(0);
 390         else
 391                 return(1);
 392 err:
 393         BIO_write(bp,"Bad time value",14);
 394         return(0);
 395         }
 396
 397 int ASN1_UTCTIME_print(BIO *bp, ASN1_UTCTIME *tm)
 398         {
 399         char *v;
 400         int gmt=0;
 401         int i;
 402         int y=0,M=0,d=0,h=0,m=0,s=0;
 403
 404         i=tm->length;
 405         v=(char *)tm->data;
 406
 407         if (i < 10) goto err;
 408         if (v[i-1] == 'Z') gmt=1;
 409         for (i=0; i<10; i++)
 410                 if ((v[i] > '9') || (v[i] < '0')) goto err;
 411         y= (v[0]-'0')*10+(v[1]-'0');
 412         if (y < 50) y+=100;
 413         M= (v[2]-'0')*10+(v[3]-'0');
 414         if ((M > 12) || (M < 1)) goto err;
 415         d= (v[4]-'0')*10+(v[5]-'0');
 416         h= (v[6]-'0')*10+(v[7]-'0');
 417         m=  (v[8]-'0')*10+(v[9]-'0');
 418         if (    (v[10] >= '0') && (v[10] <= '9') &&
 419                 (v[11] >= '0') && (v[11] <= '9'))
 420                 s=  (v[10]-'0')*10+(v[11]-'0');
 421
 422         if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s",
 423                 mon[M-1],d,h,m,s,y+1900,(gmt)?" GMT":"") <= 0)
 424                 return(0);
 425         else
 426                 return(1);
 427 err:
 428         BIO_write(bp,"Bad time value",14);
 429         return(0);
 430         }
 431
 432 int X509_NAME_print(BIO *bp, X509_NAME *name, int obase)
 433         {
 434         char *s,*c;
 435         int ret=0,l,ll,i,first=1;
 436         char buf[256];
 437
 438         ll=80-2-obase;
 439
 440         s=X509_NAME_oneline(name,buf,256);
 441         s++; /* skip the first slash */
 442
 443         l=ll;
 444         c=s;
 445         for (;;)
 446                 {
 447 #ifndef CHARSET_EBCDIC
 448                 if (    ((*s == '/') &&
 449                                 ((s[1] >= 'A') && (s[1] <= 'Z') && (
 450                                         (s[2] == '=') ||
 451                                         ((s[2] >= 'A') && (s[2] <= 'Z') &&
 452                                         (s[3] == '='))
 453                                  ))) ||
 454                         (*s == '\0'))
 455 #else
 456                 if (    ((*s == '/') &&
 457                                 (isupper(s[1]) && (
 458                                         (s[2] == '=') ||
 459                                         (isupper(s[2]) &&
 460                                         (s[3] == '='))
 461                                  ))) ||
 462                         (*s == '\0'))
 463 #endif
 464                         {
 465                         if ((l <= 0) && !first)
 466                                 {
 467                                 first=0;
 468                                 if (BIO_write(bp,"\n",1) != 1) goto err;
 469                                 for (i=0; i<obase; i++)
 470                                         {
 471                                         if (BIO_write(bp," ",1) != 1) goto err;
 472                                         }
 473                                 l=ll;
 474                                 }
 475                         i=s-c;
 476                         if (BIO_write(bp,c,i) != i) goto err;
 477                         c+=i;
 478                         c++;
 479                         if (*s != '\0')
 480                                 {
 481                                 if (BIO_write(bp,", ",2) != 2) goto err;
 482                                 }
 483                         l--;
 484                         }
 485                 if (*s == '\0') break;
 486                 s++;
 487                 l--;
 488                 }
 489
 490         ret=1;
 491         if (0)
 492                 {
 493 err:
 494                 X509err(X509_F_X509_NAME_PRINT,ERR_R_BUF_LIB);
 495                 }
 496         return(ret);
 497         }
 498