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