src/third_party/boringssl/src/crypto/x509/t_x509.c

   1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   2  * All rights reserved.
   3  *
   4  * This package is an SSL implementation written
   5  * by Eric Young (eay@cryptsoft.com).
   6  * The implementation was written so as to conform with Netscapes SSL.
   7  *
   8  * This library is free for commercial and non-commercial use as long as
   9  * the following conditions are aheared to.  The following conditions
  10  * apply to all code found in this distribution, be it the RC4, RSA,
  11  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  12  * included with this distribution is covered by the same copyright terms
  13  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  14  *
  15  * Copyright remains Eric Young's, and as such any Copyright notices in
  16  * the code are not to be removed.
  17  * If this package is used in a product, Eric Young should be given attribution
  18  * as the author of the parts of the library used.
  19  * This can be in the form of a textual message at program startup or
  20  * in documentation (online or textual) provided with the package.
  21  *
  22  * Redistribution and use in source and binary forms, with or without
  23  * modification, are permitted provided that the following conditions
  24  * are met:
  25  * 1. Redistributions of source code must retain the copyright
  26  *    notice, this list of conditions and the following disclaimer.
  27  * 2. Redistributions in binary form must reproduce the above copyright
  28  *    notice, this list of conditions and the following disclaimer in the
  29  *    documentation and/or other materials provided with the distribution.
  30  * 3. All advertising materials mentioning features or use of this software
  31  *    must display the following acknowledgement:
  32  *    "This product includes cryptographic software written by
  33  *     Eric Young (eay@cryptsoft.com)"
  34  *    The word 'cryptographic' can be left out if the rouines from the library
  35  *    being used are not cryptographic related :-).
  36  * 4. If you include any Windows specific code (or a derivative thereof) from
  37  *    the apps directory (application code) you must include an acknowledgement:
  38  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  39  *
  40  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  41  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  42  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  43  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  44  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  45  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  46  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  48  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  49  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  50  * SUCH DAMAGE.
  51  *
  52  * The licence and distribution terms for any publically available version or
  53  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  54  * copied and put under another distribution licence
  55  * [including the GNU Public Licence.] */
  56
  57 #include <openssl/asn1.h>
  58 #include <openssl/bio.h>
  59 #include <openssl/digest.h>
  60 #include <openssl/err.h>
  61 #include <openssl/evp.h>
  62 #include <openssl/mem.h>
  63 #include <openssl/obj.h>
  64 #include <openssl/x509.h>
  65 #include <openssl/x509v3.h>
  66
  67 #include "../evp/internal.h"
  68
  69 #ifndef OPENSSL_NO_FP_API
  70 int X509_print_ex_fp(FILE *fp, X509 *x, unsigned long nmflag, unsigned long cflag)
  71         {
  72         BIO *b;
  73         int ret;
  74
  75         if ((b=BIO_new(BIO_s_file())) == NULL)
  76                 {
  77                 OPENSSL_PUT_ERROR(X509, X509_print_ex_fp, ERR_R_BUF_LIB);
  78                 return(0);
  79                 }
  80         BIO_set_fp(b,fp,BIO_NOCLOSE);
  81         ret=X509_print_ex(b, x, nmflag, cflag);
  82         BIO_free(b);
  83         return(ret);
  84         }
  85
  86 int X509_print_fp(FILE *fp, X509 *x)
  87         {
  88         return X509_print_ex_fp(fp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
  89         }
  90 #endif
  91
  92 int X509_print(BIO *bp, X509 *x)
  93 {
  94         return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
  95 }
  96
  97 int X509_print_ex(BIO *bp, X509 *x, unsigned long nmflags, unsigned long cflag)
  98         {
  99         long l;
 100         int ret=0,i;
 101         char *m=NULL,mlch = ' ';
 102         int nmindent = 0;
 103         X509_CINF *ci;
 104         ASN1_INTEGER *bs;
 105         EVP_PKEY *pkey=NULL;
 106         const char *neg;
 107
 108         if((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
 109                         mlch = '\n';
 110                         nmindent = 12;
 111         }
 112
 113         if(nmflags == X509_FLAG_COMPAT)
 114                 nmindent = 16;
 115
 116         ci=x->cert_info;
 117         if(!(cflag & X509_FLAG_NO_HEADER))
 118                 {
 119                 if (BIO_write(bp,"Certificate:\n",13) <= 0) goto err;
 120                 if (BIO_write(bp,"    Data:\n",10) <= 0) goto err;
 121                 }
 122         if(!(cflag & X509_FLAG_NO_VERSION))
 123                 {
 124                 l=X509_get_version(x);
 125                 if (BIO_printf(bp,"%8sVersion: %lu (0x%lx)\n","",l+1,l) <= 0) goto err;
 126                 }
 127         if(!(cflag & X509_FLAG_NO_SERIAL))
 128                 {
 129
 130                 if (BIO_write(bp,"        Serial Number:",22) <= 0) goto err;
 131
 132                 bs=X509_get_serialNumber(x);
 133                 if (bs->length <= (int)sizeof(long))
 134                         {
 135                         l=ASN1_INTEGER_get(bs);
 136                         if (bs->type == V_ASN1_NEG_INTEGER)
 137                                 {
 138                                 l= -l;
 139                                 neg="-";
 140                                 }
 141                         else
 142                                 neg="";
 143                         if (BIO_printf(bp," %s%lu (%s0x%lx)\n",neg,l,neg,l) <= 0)
 144                                 goto err;
 145                         }
 146                 else
 147                         {
 148                         neg=(bs->type == V_ASN1_NEG_INTEGER)?" (Negative)":"";
 149                         if (BIO_printf(bp,"\n%12s%s","",neg) <= 0) goto err;
 150
 151                         for (i=0; i<bs->length; i++)
 152                                 {
 153                                 if (BIO_printf(bp,"%02x%c",bs->data[i],
 154                                         ((i+1 == bs->length)?'\n':':')) <= 0)
 155                                         goto err;
 156                                 }
 157                         }
 158
 159                 }
 160
 161         if(!(cflag & X509_FLAG_NO_SIGNAME))
 162                 {
 163                 if(X509_signature_print(bp, x->sig_alg, NULL) <= 0)
 164                         goto err;
 165 #if 0
 166                 if (BIO_printf(bp,"%8sSignature Algorithm: ","") <= 0)
 167                         goto err;
 168                 if (i2a_ASN1_OBJECT(bp, ci->signature->algorithm) <= 0)
 169                         goto err;
 170                 if (BIO_puts(bp, "\n") <= 0)
 171                         goto err;
 172 #endif
 173                 }
 174
 175         if(!(cflag & X509_FLAG_NO_ISSUER))
 176                 {
 177                 if (BIO_printf(bp,"        Issuer:%c",mlch) <= 0) goto err;
 178                 if (X509_NAME_print_ex(bp,X509_get_issuer_name(x),nmindent, nmflags) < 0) goto err;
 179                 if (BIO_write(bp,"\n",1) <= 0) goto err;
 180                 }
 181         if(!(cflag & X509_FLAG_NO_VALIDITY))
 182                 {
 183                 if (BIO_write(bp,"        Validity\n",17) <= 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) < 0) goto err;
 194                 if (BIO_write(bp,"\n",1) <= 0) goto err;
 195                 }
 196         if(!(cflag & X509_FLAG_NO_PUBKEY))
 197                 {
 198                 if (BIO_write(bp,"        Subject Public Key Info:\n",33) <= 0)
 199                         goto err;
 200                 if (BIO_printf(bp,"%12sPublic Key Algorithm: ","") <= 0)
 201                         goto err;
 202                 if (i2a_ASN1_OBJECT(bp, ci->key->algor->algorithm) <= 0)
 203                         goto err;
 204                 if (BIO_puts(bp, "\n") <= 0)
 205                         goto err;
 206
 207                 pkey=X509_get_pubkey(x);
 208                 if (pkey == NULL)
 209                         {
 210                         BIO_printf(bp,"%12sUnable to load Public Key\n","");
 211                         BIO_print_errors(bp);
 212                         }
 213                 else
 214                         {
 215                         EVP_PKEY_print_public(bp, pkey, 16, NULL);
 216                         EVP_PKEY_free(pkey);
 217                         }
 218                 }
 219
 220         if(!(cflag & X509_FLAG_NO_IDS))
 221                 {
 222                 if (ci->issuerUID)
 223                         {
 224                         if (BIO_printf(bp,"%8sIssuer Unique ID: ","") <= 0)
 225                                 goto err;
 226                         if (!X509_signature_dump(bp, ci->issuerUID, 12))
 227                                 goto err;
 228                         }
 229                 if (ci->subjectUID)
 230                         {
 231                         if (BIO_printf(bp,"%8sSubject Unique ID: ","") <= 0)
 232                                 goto err;
 233                         if (!X509_signature_dump(bp, ci->subjectUID, 12))
 234                                 goto err;
 235                         }
 236                 }
 237
 238         if (!(cflag & X509_FLAG_NO_EXTENSIONS))
 239                 X509V3_extensions_print(bp, "X509v3 extensions",
 240                                         ci->extensions, cflag, 8);
 241
 242         if(!(cflag & X509_FLAG_NO_SIGDUMP))
 243                 {
 244                 if(X509_signature_print(bp, x->sig_alg, x->signature) <= 0) goto err;
 245                 }
 246         if(!(cflag & X509_FLAG_NO_AUX))
 247                 {
 248                 if (!X509_CERT_AUX_print(bp, x->aux, 0)) goto err;
 249                 }
 250         ret=1;
 251 err:
 252         if (m != NULL) OPENSSL_free(m);
 253         return(ret);
 254         }
 255
 256 int X509_ocspid_print (BIO *bp, X509 *x)
 257         {
 258         unsigned char *der=NULL ;
 259         unsigned char *dertmp;
 260         int derlen;
 261         int i;
 262         unsigned char SHA1md[SHA_DIGEST_LENGTH];
 263
 264         /* display the hash of the subject as it would appear
 265            in OCSP requests */
 266         if (BIO_printf(bp,"        Subject OCSP hash: ") <= 0)
 267                 goto err;
 268         derlen = i2d_X509_NAME(x->cert_info->subject, NULL);
 269         if ((der = dertmp = (unsigned char *)OPENSSL_malloc (derlen)) == NULL)
 270                 goto err;
 271         i2d_X509_NAME(x->cert_info->subject, &dertmp);
 272
 273         if (!EVP_Digest(der, derlen, SHA1md, NULL, EVP_sha1(), NULL))
 274                 goto err;
 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         if (!EVP_Digest(x->cert_info->key->public_key->data,
 288                         x->cert_info->key->public_key->length,
 289                         SHA1md, NULL, EVP_sha1(), NULL))
 290                 goto err;
 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         int sig_nid;
 307         if (BIO_puts(bp,"    Signature Algorithm: ") <= 0) return 0;
 308         if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0) return 0;
 309
 310         sig_nid = OBJ_obj2nid(sigalg->algorithm);
 311         if (sig_nid != NID_undef)
 312                 {
 313                 int pkey_nid, dig_nid;
 314                 const EVP_PKEY_ASN1_METHOD *ameth;
 315                 if (OBJ_find_sigid_algs(sig_nid, &dig_nid, &pkey_nid))
 316                         {
 317                         ameth = EVP_PKEY_asn1_find(NULL, pkey_nid);
 318                         if (ameth && ameth->sig_print)
 319                                 return ameth->sig_print(bp, sigalg, sig, 9, 0);
 320                         }
 321                 }
 322         if (sig)
 323                 return X509_signature_dump(bp, sig, 9);
 324         else if (BIO_puts(bp, "\n") <= 0)
 325                 return 0;
 326         return 1;
 327 }
 328
 329 int ASN1_STRING_print(BIO *bp, const ASN1_STRING *v)
 330         {
 331         int i,n;
 332         char buf[80];
 333         const char *p;
 334
 335         if (v == NULL) return(0);
 336         n=0;
 337         p=(const char *)v->data;
 338         for (i=0; i<v->length; i++)
 339                 {
 340                 if ((p[i] > '~') || ((p[i] < ' ') &&
 341                         (p[i] != '\n') && (p[i] != '\r')))
 342                         buf[n]='.';
 343                 else
 344                         buf[n]=p[i];
 345                 n++;
 346                 if (n >= 80)
 347                         {
 348                         if (BIO_write(bp,buf,n) <= 0)
 349                                 return(0);
 350                         n=0;
 351                         }
 352                 }
 353         if (n > 0)
 354                 if (BIO_write(bp,buf,n) <= 0)
 355                         return(0);
 356         return(1);
 357         }
 358
 359 int ASN1_TIME_print(BIO *bp, const ASN1_TIME *tm)
 360 {
 361         if(tm->type == V_ASN1_UTCTIME) return ASN1_UTCTIME_print(bp, tm);
 362         if(tm->type == V_ASN1_GENERALIZEDTIME)
 363                                 return ASN1_GENERALIZEDTIME_print(bp, tm);
 364         BIO_write(bp,"Bad time value",14);
 365         return(0);
 366 }
 367
 368 static const char *mon[12]=
 369     {
 370     "Jan","Feb","Mar","Apr","May","Jun",
 371     "Jul","Aug","Sep","Oct","Nov","Dec"
 372     };
 373
 374 int ASN1_GENERALIZEDTIME_print(BIO *bp, const ASN1_GENERALIZEDTIME *tm)
 375         {
 376         char *v;
 377         int gmt=0;
 378         int i;
 379         int y=0,M=0,d=0,h=0,m=0,s=0;
 380         char *f = NULL;
 381         int f_len = 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                 {
 400                 s=  (v[12]-'0')*10+(v[13]-'0');
 401                 /* Check for fractions of seconds. */
 402                 if (tm->length >= 15 && v[14] == '.')
 403                         {
 404                         int l = tm->length;
 405                         f = &v[14];     /* The decimal point. */
 406                         f_len = 1;
 407                         while (14 + f_len < l && f[f_len] >= '0' && f[f_len] <= '9')
 408                                 ++f_len;
 409                         }
 410                 }
 411
 412         if (BIO_printf(bp,"%s %2d %02d:%02d:%02d%.*s %d%s",
 413                 mon[M-1],d,h,m,s,f_len,f,y,(gmt)?" GMT":"") <= 0)
 414                 return(0);
 415         else
 416                 return(1);
 417 err:
 418         BIO_write(bp,"Bad time value",14);
 419         return(0);
 420         }
 421
 422 int ASN1_UTCTIME_print(BIO *bp, const ASN1_UTCTIME *tm)
 423         {
 424         const char *v;
 425         int gmt=0;
 426         int i;
 427         int y=0,M=0,d=0,h=0,m=0,s=0;
 428
 429         i=tm->length;
 430         v=(const char *)tm->data;
 431
 432         if (i < 10) goto err;
 433         if (v[i-1] == 'Z') gmt=1;
 434         for (i=0; i<10; i++)
 435                 if ((v[i] > '9') || (v[i] < '0')) goto err;
 436         y= (v[0]-'0')*10+(v[1]-'0');
 437         if (y < 50) y+=100;
 438         M= (v[2]-'0')*10+(v[3]-'0');
 439         if ((M > 12) || (M < 1)) goto err;
 440         d= (v[4]-'0')*10+(v[5]-'0');
 441         h= (v[6]-'0')*10+(v[7]-'0');
 442         m=  (v[8]-'0')*10+(v[9]-'0');
 443         if (tm->length >=12 &&
 444             (v[10] >= '0') && (v[10] <= '9') &&
 445             (v[11] >= '0') && (v[11] <= '9'))
 446                 s=  (v[10]-'0')*10+(v[11]-'0');
 447
 448         if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s",
 449                 mon[M-1],d,h,m,s,y+1900,(gmt)?" GMT":"") <= 0)
 450                 return(0);
 451         else
 452                 return(1);
 453 err:
 454         BIO_write(bp,"Bad time value",14);
 455         return(0);
 456         }
 457
 458 int X509_NAME_print(BIO *bp, X509_NAME *name, int obase)
 459         {
 460         char *s,*c,*b;
 461         int ret=0,l,i;
 462
 463         l=80-2-obase;
 464
 465         b=X509_NAME_oneline(name,NULL,0);
 466         if (!b)
 467                 return 0;
 468         if (!*b)
 469                 {
 470                 OPENSSL_free(b);
 471                 return 1;
 472                 }
 473         s=b+1; /* skip the first slash */
 474
 475         c=s;
 476         for (;;)
 477                 {
 478                 if (    ((*s == '/') &&
 479                                 ((s[1] >= 'A') && (s[1] <= 'Z') && (
 480                                         (s[2] == '=') ||
 481                                         ((s[2] >= 'A') && (s[2] <= 'Z') &&
 482                                         (s[3] == '='))
 483                                  ))) ||
 484                         (*s == '\0'))
 485                         {
 486                         i=s-c;
 487                         if (BIO_write(bp,c,i) != i) goto err;
 488                         c=s+1;  /* skip following slash */
 489                         if (*s != '\0')
 490                                 {
 491                                 if (BIO_write(bp,", ",2) != 2) goto err;
 492                                 }
 493                         l--;
 494                         }
 495                 if (*s == '\0') break;
 496                 s++;
 497                 l--;
 498                 }
 499
 500         ret=1;
 501         if (0)
 502                 {
 503 err:
 504                 OPENSSL_PUT_ERROR(X509, X509_NAME_print, ERR_R_BUF_LIB);
 505                 }
 506         OPENSSL_free(b);
 507         return(ret);
 508         }