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 "buffer.h"
  62 #include "bn.h"
  63 #ifndef NO_RSA
  64 #include "rsa.h"
  65 #endif
  66 #ifndef NO_DSA
  67 #include "dsa.h"
  68 #endif
  69 #include "objects.h"
  70 #include "x509.h"
  71 #include "x509v3.h"
  72
  73 #ifndef NO_FP_API
  74 int X509_print_fp(fp,x)
  75 FILE *fp;
  76 X509 *x;
  77         {
  78         BIO *b;
  79         int ret;
  80
  81         if ((b=BIO_new(BIO_s_file())) == NULL)
  82                 {
  83                 X509err(X509_F_X509_PRINT_FP,ERR_R_BUF_LIB);
  84                 return(0);
  85                 }
  86         BIO_set_fp(b,fp,BIO_NOCLOSE);
  87         ret=X509_print(b, x);
  88         BIO_free(b);
  89         return(ret);
  90         }
  91 #endif
  92
  93 int X509_print(bp,x)
  94 BIO *bp;
  95 X509 *x;
  96         {
  97         long l;
  98         int ret=0,i,j,n;
  99         char *m=NULL,*s;
 100         X509_CINF *ci;
 101         ASN1_INTEGER *bs;
 102         EVP_PKEY *pkey=NULL;
 103         char *neg;
 104         X509_EXTENSION *ex;
 105         ASN1_STRING *str=NULL;
 106
 107         ci=x->cert_info;
 108         if (BIO_write(bp,"Certificate:\n",13) <= 0) goto err;
 109         if (BIO_write(bp,"    Data:\n",10) <= 0) goto err;
 110         l=X509_get_version(x);
 111         if (BIO_printf(bp,"%8sVersion: %lu (0x%lx)\n","",l+1,l) <= 0) goto err;
 112         if (BIO_write(bp,"        Serial Number:",22) <= 0) goto err;
 113
 114         bs=X509_get_serialNumber(x);
 115         if (bs->length <= 4)
 116                 {
 117                 l=ASN1_INTEGER_get(bs);
 118                 if (l < 0)
 119                         {
 120                         l= -l;
 121                         neg="-";
 122                         }
 123                 else
 124                         neg="";
 125                 if (BIO_printf(bp," %s%lu (%s0x%lx)\n",neg,l,neg,l) <= 0)
 126                         goto err;
 127                 }
 128         else
 129                 {
 130                 neg=(bs->type == V_ASN1_NEG_INTEGER)?" (Negative)":"";
 131                 if (BIO_printf(bp,"\n%12s%s","",neg) <= 0) goto err;
 132
 133                 for (i=0; i<bs->length; i++)
 134                         {
 135                         if (BIO_printf(bp,"%02x%c",bs->data[i],
 136                                 ((i+1 == bs->length)?'\n':':')) <= 0)
 137                                 goto err;
 138                         }
 139                 }
 140
 141         i=OBJ_obj2nid(ci->signature->algorithm);
 142         if (BIO_printf(bp,"%8sSignature Algorithm: %s\n","",
 143                 (i == NID_undef)?"UNKNOWN":OBJ_nid2ln(i)) <= 0)
 144                 goto err;
 145
 146         if (BIO_write(bp,"        Issuer: ",16) <= 0) goto err;
 147         if (!X509_NAME_print(bp,X509_get_issuer_name(x),16)) goto err;
 148         if (BIO_write(bp,"\n        Validity\n",18) <= 0) goto err;
 149         if (BIO_write(bp,"            Not Before: ",24) <= 0) goto err;
 150         if (!ASN1_TIME_print(bp,X509_get_notBefore(x))) goto err;
 151         if (BIO_write(bp,"\n            Not After : ",25) <= 0) goto err;
 152         if (!ASN1_TIME_print(bp,X509_get_notAfter(x))) goto err;
 153         if (BIO_write(bp,"\n        Subject: ",18) <= 0) goto err;
 154         if (!X509_NAME_print(bp,X509_get_subject_name(x),16)) goto err;
 155         if (BIO_write(bp,"\n        Subject Public Key Info:\n",34) <= 0)
 156                 goto err;
 157         i=OBJ_obj2nid(ci->key->algor->algorithm);
 158         if (BIO_printf(bp,"%12sPublic Key Algorithm: %s\n","",
 159                 (i == NID_undef)?"UNKNOWN":OBJ_nid2ln(i)) <= 0) goto err;
 160
 161         pkey=X509_get_pubkey(x);
 162         if (pkey == NULL)
 163                 {
 164                 BIO_printf(bp,"%12sUnable to load Public Key\n","");
 165                 }
 166         else
 167 #ifndef NO_RSA
 168         if (pkey->type == EVP_PKEY_RSA)
 169                 {
 170                 BIO_printf(bp,"%12sRSA Public Key: (%d bit)\n","",
 171                 BN_num_bits(pkey->pkey.rsa->n));
 172                 RSA_print(bp,pkey->pkey.rsa,16);
 173                 }
 174         else
 175 #endif
 176 #ifndef NO_DSA
 177         if (pkey->type == EVP_PKEY_DSA)
 178                 {
 179                 BIO_printf(bp,"%12sDSA Public Key:\n","");
 180                 DSA_print(bp,pkey->pkey.dsa,16);
 181                 }
 182         else
 183 #endif
 184                 BIO_printf(bp,"%12sUnknown Public Key:\n","");
 185
 186         EVP_PKEY_free(pkey);
 187
 188         n=X509_get_ext_count(x);
 189         if (n > 0)
 190                 {
 191                 BIO_printf(bp,"%8sX509v3 extensions:\n","");
 192                 for (i=0; i<n; i++)
 193                         {
 194 #if 0
 195                         int data_type,pack_type;
 196 #endif
 197                         ASN1_OBJECT *obj;
 198
 199                         ex=X509_get_ext(x,i);
 200                         if (BIO_printf(bp,"%12s","") <= 0) goto err;
 201                         obj=X509_EXTENSION_get_object(ex);
 202                         i2a_ASN1_OBJECT(bp,obj);
 203                         j=X509_EXTENSION_get_critical(ex);
 204                         if (BIO_printf(bp,": %s\n%16s",j?"critical":"","") <= 0)
 205                                 goto err;
 206 #if 0
 207                         pack_type=X509v3_pack_type_by_OBJ(obj);
 208                         data_type=X509v3_data_type_by_OBJ(obj);
 209
 210                         if (pack_type == X509_EXT_PACK_STRING)
 211                                 {
 212                                 if (X509v3_unpack_string(
 213                                         &str,data_type,
 214                                         X509_EXTENSION_get_data(ex)) == NULL)
 215                                         {
 216                                         /* hmm... */
 217                                         goto err;
 218                                         }
 219                                 if (    (data_type == V_ASN1_IA5STRING) ||
 220                                         (data_type == V_ASN1_PRINTABLESTRING) ||
 221                                         (data_type == V_ASN1_T61STRING))
 222                                         {
 223                                         if (BIO_write(bp,(char *)str->data,
 224                                                         str->length) <= 0)
 225                                                 goto err;
 226                                         }
 227                                 else if (data_type == V_ASN1_BIT_STRING)
 228                                         {
 229                                         BIO_printf(bp,"0x");
 230                                         for (j=0; j<str->length; j++)
 231                                                 {
 232                                                 BIO_printf(bp,"%02X",
 233                                                         str->data[j]);
 234                                                 }
 235                                         }
 236                                 }
 237 #endif
 238                         if(!X509V3_EXT_print(bp, ex, 0))
 239                                 {
 240                                 ASN1_OCTET_STRING_print(bp,ex->value);
 241                                 }
 242                         if (BIO_write(bp,"\n",1) <= 0) goto err;
 243                         }
 244                 }
 245
 246         i=OBJ_obj2nid(x->sig_alg->algorithm);
 247         if (BIO_printf(bp,"%4sSignature Algorithm: %s","",
 248                 (i == NID_undef)?"UNKNOWN":OBJ_nid2ln(i)) <= 0) goto err;
 249
 250         n=x->signature->length;
 251         s=(char *)x->signature->data;
 252         for (i=0; i<n; i++)
 253                 {
 254                 if ((i%18) == 0)
 255                         if (BIO_write(bp,"\n        ",9) <= 0) goto err;
 256                 if (BIO_printf(bp,"%02x%s",(unsigned char)s[i],
 257                         ((i+1) == n)?"":":") <= 0) goto err;
 258                 }
 259         if (BIO_write(bp,"\n",1) != 1) goto err;
 260         ret=1;
 261 err:
 262         if (str != NULL) ASN1_STRING_free(str);
 263         if (m != NULL) Free((char *)m);
 264         return(ret);
 265         }
 266
 267 int ASN1_STRING_print(bp,v)
 268 BIO *bp;
 269 ASN1_STRING *v;
 270         {
 271         int i,n;
 272         char buf[80],*p;;
 273
 274         if (v == NULL) return(0);
 275         n=0;
 276         p=(char *)v->data;
 277         for (i=0; i<v->length; i++)
 278                 {
 279                 if ((p[i] > '~') || ((p[i] < ' ') &&
 280                         (p[i] != '\n') && (p[i] != '\r')))
 281                         buf[n]='.';
 282                 else
 283                         buf[n]=p[i];
 284                 n++;
 285                 if (n >= 80)
 286                         {
 287                         if (BIO_write(bp,buf,n) <= 0)
 288                                 return(0);
 289                         n=0;
 290                         }
 291                 }
 292         if (n > 0)
 293                 if (BIO_write(bp,buf,n) <= 0)
 294                         return(0);
 295         return(1);
 296         }
 297
 298 int ASN1_TIME_print(bp, tm)
 299 BIO *bp;
 300 ASN1_TIME *tm;
 301 {
 302         if(tm->type == V_ASN1_UTCTIME) return ASN1_UTCTIME_print(bp, tm);
 303         if(tm->type == V_ASN1_GENERALIZEDTIME)
 304                                 return ASN1_GENERALIZEDTIME_print(bp, tm);
 305         BIO_write(bp,"Bad time value",14);
 306         return(0);
 307 }
 308
 309
 310 int ASN1_GENERALIZEDTIME_print(bp,tm)
 311 BIO *bp;
 312 ASN1_GENERALIZEDTIME *tm;
 313         {
 314         char *v;
 315         int gmt=0;
 316         static char *mon[12]={
 317                 "Jan","Feb","Mar","Apr","May","Jun",
 318                 "Jul","Aug","Sep","Oct","Nov","Dec"};
 319         int i;
 320         int y=0,M=0,d=0,h=0,m=0,s=0;
 321
 322         i=tm->length;
 323         v=(char *)tm->data;
 324
 325         if (i < 12) goto err;
 326         if (v[i-1] == 'Z') gmt=1;
 327         for (i=0; i<12; i++)
 328                 if ((v[i] > '9') || (v[i] < '0')) goto err;
 329         y= (v[0]-'0')*1000+(v[1]-'0')*100 + (v[2]-'0')*10+(v[3]-'0');
 330         M= (v[4]-'0')*10+(v[5]-'0');
 331         if ((M > 12) || (M < 1)) goto err;
 332         d= (v[6]-'0')*10+(v[7]-'0');
 333         h= (v[8]-'0')*10+(v[9]-'0');
 334         m=  (v[10]-'0')*10+(v[11]-'0');
 335         if (    (v[12] >= '0') && (v[12] <= '9') &&
 336                 (v[13] >= '0') && (v[13] <= '9'))
 337                 s=  (v[12]-'0')*10+(v[13]-'0');
 338
 339         if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s",
 340                 mon[M-1],d,h,m,s,y,(gmt)?" GMT":"") <= 0)
 341                 return(0);
 342         else
 343                 return(1);
 344 err:
 345         BIO_write(bp,"Bad time value",14);
 346         return(0);
 347         }
 348
 349 int ASN1_UTCTIME_print(bp,tm)
 350 BIO *bp;
 351 ASN1_UTCTIME *tm;
 352         {
 353         char *v;
 354         int gmt=0;
 355         static char *mon[12]={
 356                 "Jan","Feb","Mar","Apr","May","Jun",
 357                 "Jul","Aug","Sep","Oct","Nov","Dec"};
 358         int i;
 359         int y=0,M=0,d=0,h=0,m=0,s=0;
 360
 361         i=tm->length;
 362         v=(char *)tm->data;
 363
 364         if (i < 10) goto err;
 365         if (v[i-1] == 'Z') gmt=1;
 366         for (i=0; i<10; i++)
 367                 if ((v[i] > '9') || (v[i] < '0')) goto err;
 368         y= (v[0]-'0')*10+(v[1]-'0');
 369         if (y < 50) y+=100;
 370         M= (v[2]-'0')*10+(v[3]-'0');
 371         if ((M > 12) || (M < 1)) goto err;
 372         d= (v[4]-'0')*10+(v[5]-'0');
 373         h= (v[6]-'0')*10+(v[7]-'0');
 374         m=  (v[8]-'0')*10+(v[9]-'0');
 375         if (    (v[10] >= '0') && (v[10] <= '9') &&
 376                 (v[11] >= '0') && (v[11] <= '9'))
 377                 s=  (v[10]-'0')*10+(v[11]-'0');
 378
 379         if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s",
 380                 mon[M-1],d,h,m,s,y+1900,(gmt)?" GMT":"") <= 0)
 381                 return(0);
 382         else
 383                 return(1);
 384 err:
 385         BIO_write(bp,"Bad time value",14);
 386         return(0);
 387         }
 388
 389 int X509_NAME_print(bp,name,obase)
 390 BIO *bp;
 391 X509_NAME *name;
 392 int obase;
 393         {
 394         char *s,*c;
 395         int ret=0,l,ll,i,first=1;
 396         char buf[256];
 397
 398         ll=80-2-obase;
 399
 400         s=X509_NAME_oneline(name,buf,256);
 401         s++; /* skip the first slash */
 402
 403         l=ll;
 404         c=s;
 405         for (;;)
 406                 {
 407                 if (    ((*s == '/') &&
 408                                 ((s[1] >= 'A') && (s[1] <= 'Z') && (
 409                                         (s[2] == '=') ||
 410                                         ((s[2] >= 'A') && (s[2] <= 'Z') &&
 411                                         (s[3] == '='))
 412                                  ))) ||
 413                         (*s == '\0'))
 414                         {
 415                         if ((l <= 0) && !first)
 416                                 {
 417                                 first=0;
 418                                 if (BIO_write(bp,"\n",1) != 1) goto err;
 419                                 for (i=0; i<obase; i++)
 420                                         {
 421                                         if (BIO_write(bp," ",1) != 1) goto err;
 422                                         }
 423                                 l=ll;
 424                                 }
 425                         i=s-c;
 426                         if (BIO_write(bp,c,i) != i) goto err;
 427                         c+=i;
 428                         c++;
 429                         if (*s != '\0')
 430                                 {
 431                                 if (BIO_write(bp,", ",2) != 2) goto err;
 432                                 }
 433                         l--;
 434                         }
 435                 if (*s == '\0') break;
 436                 s++;
 437                 l--;
 438                 }
 439
 440         ret=1;
 441         if (0)
 442                 {
 443 err:
 444                 X509err(X509_F_X509_NAME_PRINT,ERR_R_BUF_LIB);
 445                 }
 446         return(ret);
 447         }
 448