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 #include <openssl/objects.h>
  70 #include <openssl/x509.h>
  71 #include <openssl/x509v3.h>
  72
  73 #ifndef OPENSSL_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                 if (BIO_printf(bp,"%8sSignature Algorithm: ","") <= 0)
 169                         goto err;
 170                 if (i2a_ASN1_OBJECT(bp, ci->signature->algorithm) <= 0)
 171                         goto err;
 172                 if (BIO_puts(bp, "\n") <= 0)
 173                         goto err;
 174                 }
 175
 176         if(!(cflag & X509_FLAG_NO_ISSUER))
 177                 {
 178                 if (BIO_printf(bp,"        Issuer:%c",mlch) <= 0) goto err;
 179                 if (!X509_NAME_print_ex(bp,X509_get_issuer_name(x),nmindent, nmflags)) goto err;
 180                 }
 181         if(!(cflag & X509_FLAG_NO_VALIDITY))
 182                 {
 183                 if (BIO_write(bp,"\n        Validity\n",18) <= 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)) goto err;
 194                 }
 195         if(!(cflag & X509_FLAG_NO_PUBKEY))
 196                 {
 197                 if (BIO_write(bp,"\n        Subject Public Key Info:\n",34) <= 0)
 198                         goto err;
 199                 if (BIO_printf(bp,"%12sPublic Key Algorithm: ","") <= 0)
 200                         goto err;
 201                 if (i2a_ASN1_OBJECT(bp, ci->key->algor->algorithm) <= 0)
 202                         goto err;
 203                 if (BIO_puts(bp, "\n") <= 0)
 204                         goto err;
 205
 206                 pkey=X509_get_pubkey(x);
 207                 if (pkey == NULL)
 208                         {
 209                         BIO_printf(bp,"%12sUnable to load Public Key\n","");
 210                         ERR_print_errors(bp);
 211                         }
 212                 else
 213 #ifndef OPENSSL_NO_RSA
 214                 if (pkey->type == EVP_PKEY_RSA)
 215                         {
 216                         BIO_printf(bp,"%12sRSA Public Key: (%d bit)\n","",
 217                         BN_num_bits(pkey->pkey.rsa->n));
 218                         RSA_print(bp,pkey->pkey.rsa,16);
 219                         }
 220                 else
 221 #endif
 222 #ifndef OPENSSL_NO_DSA
 223                 if (pkey->type == EVP_PKEY_DSA)
 224                         {
 225                         BIO_printf(bp,"%12sDSA Public Key:\n","");
 226                         DSA_print(bp,pkey->pkey.dsa,16);
 227                         }
 228                 else
 229 #endif
 230                         BIO_printf(bp,"%12sUnknown Public Key:\n","");
 231
 232                 EVP_PKEY_free(pkey);
 233                 }
 234
 235         if (!(cflag & X509_FLAG_NO_EXTENSIONS))
 236                 X509V3_extensions_print(bp, "X509v3 extensions",
 237                                         ci->extensions, cflag, 8);
 238
 239         if(!(cflag & X509_FLAG_NO_SIGDUMP))
 240                 {
 241                 if(X509_signature_print(bp, x->sig_alg, x->signature) <= 0) goto err;
 242                 }
 243         if(!(cflag & X509_FLAG_NO_AUX))
 244                 {
 245                 if (!X509_CERT_AUX_print(bp, x->aux, 0)) goto err;
 246                 }
 247         ret=1;
 248 err:
 249         if (str != NULL) ASN1_STRING_free(str);
 250         if (m != NULL) OPENSSL_free(m);
 251         return(ret);
 252         }
 253
 254 int X509_ocspid_print (BIO *bp, X509 *x)
 255         {
 256         unsigned char *der=NULL ;
 257         unsigned char *dertmp;
 258         int derlen;
 259         int i;
 260         SHA_CTX SHA1buf ;
 261         unsigned char SHA1md[SHA_DIGEST_LENGTH];
 262
 263         /* display the hash of the subject as it would appear
 264            in OCSP requests */
 265         if (BIO_printf(bp,"        Subject OCSP hash: ") <= 0)
 266                 goto err;
 267         derlen = i2d_X509_NAME(x->cert_info->subject, NULL);
 268         if ((der = dertmp = (unsigned char *)OPENSSL_malloc (derlen)) == NULL)
 269                 goto err;
 270         i2d_X509_NAME(x->cert_info->subject, &dertmp);
 271
 272         SHA1_Init(&SHA1buf);
 273         SHA1_Update(&SHA1buf, der, derlen);
 274         SHA1_Final(SHA1md,&SHA1buf);
 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         SHA1_Init(&SHA1buf);
 288         SHA1_Update(&SHA1buf, x->cert_info->key->public_key->data,
 289                 x->cert_info->key->public_key->length);
 290         SHA1_Final(SHA1md,&SHA1buf);
 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);
 299 err:
 300         if (der != NULL) OPENSSL_free(der);
 301         return(0);
 302         }
 303
 304 int X509_signature_print(BIO *bp, X509_ALGOR *sigalg, ASN1_STRING *sig)
 305 {
 306         unsigned char *s;
 307         int i, n;
 308         if (BIO_puts(bp,"    Signature Algorithm: ") <= 0) return 0;
 309         if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0) return 0;
 310
 311         n=sig->length;
 312         s=sig->data;
 313         for (i=0; i<n; i++)
 314                 {
 315                 if ((i%18) == 0)
 316                         if (BIO_write(bp,"\n        ",9) <= 0) return 0;
 317                         if (BIO_printf(bp,"%02x%s",s[i],
 318                                 ((i+1) == n)?"":":") <= 0) return 0;
 319                 }
 320         if (BIO_write(bp,"\n",1) != 1) return 0;
 321         return 1;
 322 }
 323
 324 int ASN1_STRING_print(BIO *bp, ASN1_STRING *v)
 325         {
 326         int i,n;
 327         char buf[80],*p;;
 328
 329         if (v == NULL) return(0);
 330         n=0;
 331         p=(char *)v->data;
 332         for (i=0; i<v->length; i++)
 333                 {
 334                 if ((p[i] > '~') || ((p[i] < ' ') &&
 335                         (p[i] != '\n') && (p[i] != '\r')))
 336                         buf[n]='.';
 337                 else
 338                         buf[n]=p[i];
 339                 n++;
 340                 if (n >= 80)
 341                         {
 342                         if (BIO_write(bp,buf,n) <= 0)
 343                                 return(0);
 344                         n=0;
 345                         }
 346                 }
 347         if (n > 0)
 348                 if (BIO_write(bp,buf,n) <= 0)
 349                         return(0);
 350         return(1);
 351         }
 352
 353 int ASN1_TIME_print(BIO *bp, ASN1_TIME *tm)
 354 {
 355         if(tm->type == V_ASN1_UTCTIME) return ASN1_UTCTIME_print(bp, tm);
 356         if(tm->type == V_ASN1_GENERALIZEDTIME)
 357                                 return ASN1_GENERALIZEDTIME_print(bp, tm);
 358         BIO_write(bp,"Bad time value",14);
 359         return(0);
 360 }
 361
 362 static const char *mon[12]=
 363     {
 364     "Jan","Feb","Mar","Apr","May","Jun",
 365     "Jul","Aug","Sep","Oct","Nov","Dec"
 366     };
 367
 368 int ASN1_GENERALIZEDTIME_print(BIO *bp, ASN1_GENERALIZEDTIME *tm)
 369         {
 370         char *v;
 371         int gmt=0;
 372         int i;
 373         int y=0,M=0,d=0,h=0,m=0,s=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 (    (v[12] >= '0') && (v[12] <= '9') &&
 389                 (v[13] >= '0') && (v[13] <= '9'))
 390                 s=  (v[12]-'0')*10+(v[13]-'0');
 391
 392         if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s",
 393                 mon[M-1],d,h,m,s,y,(gmt)?" GMT":"") <= 0)
 394                 return(0);
 395         else
 396                 return(1);
 397 err:
 398         BIO_write(bp,"Bad time value",14);
 399         return(0);
 400         }
 401
 402 int ASN1_UTCTIME_print(BIO *bp, ASN1_UTCTIME *tm)
 403         {
 404         char *v;
 405         int gmt=0;
 406         int i;
 407         int y=0,M=0,d=0,h=0,m=0,s=0;
 408
 409         i=tm->length;
 410         v=(char *)tm->data;
 411
 412         if (i < 10) goto err;
 413         if (v[i-1] == 'Z') gmt=1;
 414         for (i=0; i<10; i++)
 415                 if ((v[i] > '9') || (v[i] < '0')) goto err;
 416         y= (v[0]-'0')*10+(v[1]-'0');
 417         if (y < 50) y+=100;
 418         M= (v[2]-'0')*10+(v[3]-'0');
 419         if ((M > 12) || (M < 1)) goto err;
 420         d= (v[4]-'0')*10+(v[5]-'0');
 421         h= (v[6]-'0')*10+(v[7]-'0');
 422         m=  (v[8]-'0')*10+(v[9]-'0');
 423         if (    (v[10] >= '0') && (v[10] <= '9') &&
 424                 (v[11] >= '0') && (v[11] <= '9'))
 425                 s=  (v[10]-'0')*10+(v[11]-'0');
 426
 427         if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s",
 428                 mon[M-1],d,h,m,s,y+1900,(gmt)?" GMT":"") <= 0)
 429                 return(0);
 430         else
 431                 return(1);
 432 err:
 433         BIO_write(bp,"Bad time value",14);
 434         return(0);
 435         }
 436
 437 int X509_NAME_print(BIO *bp, X509_NAME *name, int obase)
 438         {
 439         char *s,*c;
 440         int ret=0,l,ll,i,first=1;
 441         char buf[256];
 442
 443         ll=80-2-obase;
 444
 445         s=X509_NAME_oneline(name,buf,256);
 446         s++; /* skip the first slash */
 447
 448         l=ll;
 449         c=s;
 450         for (;;)
 451                 {
 452 #ifndef CHARSET_EBCDIC
 453                 if (    ((*s == '/') &&
 454                                 ((s[1] >= 'A') && (s[1] <= 'Z') && (
 455                                         (s[2] == '=') ||
 456                                         ((s[2] >= 'A') && (s[2] <= 'Z') &&
 457                                         (s[3] == '='))
 458                                  ))) ||
 459                         (*s == '\0'))
 460 #else
 461                 if (    ((*s == '/') &&
 462                                 (isupper(s[1]) && (
 463                                         (s[2] == '=') ||
 464                                         (isupper(s[2]) &&
 465                                         (s[3] == '='))
 466                                  ))) ||
 467                         (*s == '\0'))
 468 #endif
 469                         {
 470                         if ((l <= 0) && !first)
 471                                 {
 472                                 first=0;
 473                                 if (BIO_write(bp,"\n",1) != 1) goto err;
 474                                 for (i=0; i<obase; i++)
 475                                         {
 476                                         if (BIO_write(bp," ",1) != 1) goto err;
 477                                         }
 478                                 l=ll;
 479                                 }
 480                         i=s-c;
 481                         if (BIO_write(bp,c,i) != i) goto err;
 482                         c+=i;
 483                         c++;
 484                         if (*s != '\0')
 485                                 {
 486                                 if (BIO_write(bp,", ",2) != 2) goto err;
 487                                 }
 488                         l--;
 489                         }
 490                 if (*s == '\0') break;
 491                 s++;
 492                 l--;
 493                 }
 494
 495         ret=1;
 496         if (0)
 497                 {
 498 err:
 499                 X509err(X509_F_X509_NAME_PRINT,ERR_R_BUF_LIB);
 500                 }
 501         return(ret);
 502         }
 503