src/third_party/boringssl/src/crypto/x509v3/v3nametest.c

   1 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
   2  * project 1999. */
   3 /* ====================================================================
   4  * Copyright (c) 1999-2004 The OpenSSL Project.  All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in
  15  *    the documentation and/or other materials provided with the
  16  *    distribution.
  17  *
  18  * 3. All advertising materials mentioning features or use of this
  19  *    software must display the following acknowledgment:
  20  *    "This product includes software developed by the OpenSSL Project
  21  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  22  *
  23  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  24  *    endorse or promote products derived from this software without
  25  *    prior written permission. For written permission, please contact
  26  *    licensing@OpenSSL.org.
  27  *
  28  * 5. Products derived from this software may not be called "OpenSSL"
  29  *    nor may "OpenSSL" appear in their names without prior written
  30  *    permission of the OpenSSL Project.
  31  *
  32  * 6. Redistributions of any form whatsoever must retain the following
  33  *    acknowledgment:
  34  *    "This product includes software developed by the OpenSSL Project
  35  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  36  *
  37  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  38  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  39  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  40  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  41  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  42  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  43  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  44  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  45  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  46  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  47  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  48  * OF THE POSSIBILITY OF SUCH DAMAGE.
  49  * ====================================================================
  50  *
  51  * This product includes cryptographic software written by Eric Young
  52  * (eay@cryptsoft.com).  This product includes software written by Tim
  53  * Hudson (tjh@cryptsoft.com). */
  54
  55 #include <string.h>
  56 #include <strings.h>
  57
  58 #include <openssl/x509.h>
  59 #include <openssl/x509v3.h>
  60
  61
  62 static const char *const names[] =
  63         {
  64         "a", "b", ".", "*", "@",
  65         ".a", "a.", ".b", "b.", ".*", "*.", "*@", "@*", "a@", "@a", "b@", "..",
  66         "@@", "**", "*.com", "*com", "*.*.com", "*com", "com*", "*example.com",
  67         "*@example.com", "test@*.example.com", "example.com", "www.example.com",
  68         "test.www.example.com", "*.example.com", "*.www.example.com",
  69         "test.*.example.com", "www.*.com",
  70         ".www.example.com", "*www.example.com",
  71         "example.net", "xn--rger-koa.example.com",
  72         "a.example.com", "b.example.com",
  73         "postmaster@example.com", "Postmaster@example.com",
  74         "postmaster@EXAMPLE.COM",
  75         NULL
  76         };
  77
  78 static const char *const exceptions[] =
  79         {
  80         "set CN: host: [*.example.com] matches [a.example.com]",
  81         "set CN: host: [*.example.com] matches [b.example.com]",
  82         "set CN: host: [*.example.com] matches [www.example.com]",
  83         "set CN: host: [*.example.com] matches [xn--rger-koa.example.com]",
  84         "set CN: host: [*.www.example.com] matches [test.www.example.com]",
  85         "set CN: host: [*.www.example.com] matches [.www.example.com]",
  86         "set CN: host: [*www.example.com] matches [www.example.com]",
  87         "set CN: host: [test.www.example.com] matches [.www.example.com]",
  88         "set CN: host-no-wildcards: [*.www.example.com] matches [.www.example.com]",
  89         "set CN: host-no-wildcards: [test.www.example.com] matches [.www.example.com]",
  90         "set emailAddress: email: [postmaster@example.com] does not match [Postmaster@example.com]",
  91         "set emailAddress: email: [postmaster@EXAMPLE.COM] does not match [Postmaster@example.com]",
  92         "set emailAddress: email: [Postmaster@example.com] does not match [postmaster@example.com]",
  93         "set emailAddress: email: [Postmaster@example.com] does not match [postmaster@EXAMPLE.COM]",
  94         "set dnsName: host: [*.example.com] matches [www.example.com]",
  95         "set dnsName: host: [*.example.com] matches [a.example.com]",
  96         "set dnsName: host: [*.example.com] matches [b.example.com]",
  97         "set dnsName: host: [*.example.com] matches [xn--rger-koa.example.com]",
  98         "set dnsName: host: [*.www.example.com] matches [test.www.example.com]",
  99         "set dnsName: host-no-wildcards: [*.www.example.com] matches [.www.example.com]",
 100         "set dnsName: host-no-wildcards: [test.www.example.com] matches [.www.example.com]",
 101         "set dnsName: host: [*.www.example.com] matches [.www.example.com]",
 102         "set dnsName: host: [*www.example.com] matches [www.example.com]",
 103         "set dnsName: host: [test.www.example.com] matches [.www.example.com]",
 104         "set rfc822Name: email: [postmaster@example.com] does not match [Postmaster@example.com]",
 105         "set rfc822Name: email: [Postmaster@example.com] does not match [postmaster@example.com]",
 106         "set rfc822Name: email: [Postmaster@example.com] does not match [postmaster@EXAMPLE.COM]",
 107         "set rfc822Name: email: [postmaster@EXAMPLE.COM] does not match [Postmaster@example.com]",
 108         NULL
 109         };
 110
 111 static int is_exception(const char *msg)
 112         {
 113         const char *const *p;
 114         for (p = exceptions; *p; ++p)
 115                 if (strcmp(msg, *p) == 0)
 116                         return 1;
 117         return 0;
 118         }
 119
 120 static int set_cn(X509 *crt, ...)
 121         {
 122         int ret = 0;
 123         X509_NAME *n = NULL;
 124         va_list ap;
 125         va_start(ap, crt);
 126         n = X509_NAME_new();
 127         if (n == NULL)
 128                 goto out;
 129         while (1) {
 130                 int nid;
 131                 const char *name;
 132                 nid = va_arg(ap, int);
 133                 if (nid == 0)
 134                         break;
 135                 name = va_arg(ap, const char *);
 136                 if (!X509_NAME_add_entry_by_NID(n, nid, MBSTRING_ASC,
 137                                                         (unsigned char *)name,
 138                                                 -1, -1, 1))
 139                         goto out;
 140         }
 141         if (!X509_set_subject_name(crt, n))
 142                 goto out;
 143         ret = 1;
 144  out:
 145         X509_NAME_free(n);
 146         va_end(ap);
 147         return ret;
 148         }
 149
 150 /*
 151 int             X509_add_ext(X509 *x, X509_EXTENSION *ex, int loc);
 152 X509_EXTENSION *X509_EXTENSION_create_by_NID(X509_EXTENSION **ex,
 153                         int nid, int crit, ASN1_OCTET_STRING *data);
 154 int             X509_add_ext(X509 *x, X509_EXTENSION *ex, int loc);
 155 */
 156
 157 static int set_altname(X509 *crt, ...)
 158         {
 159         int ret = 0;
 160         GENERAL_NAMES *gens = NULL;
 161         GENERAL_NAME *gen = NULL;
 162         ASN1_IA5STRING *ia5 = NULL;
 163         va_list ap;
 164         va_start(ap, crt);
 165         gens = sk_GENERAL_NAME_new_null();
 166         if (gens == NULL)
 167                 goto out;
 168         while (1) {
 169                 int type;
 170                 const char *name;
 171                 type = va_arg(ap, int);
 172                 if (type == 0)
 173                         break;
 174                 name = va_arg(ap, const char *);
 175
 176                 gen = GENERAL_NAME_new();
 177                 if (gen == NULL)
 178                         goto out;
 179                 ia5 = ASN1_IA5STRING_new();
 180                 if (ia5 == NULL)
 181                         goto out;
 182                 if (!ASN1_STRING_set(ia5, name, -1))
 183                         goto out;
 184                 switch (type)
 185                         {
 186                         case GEN_EMAIL:
 187                         case GEN_DNS:
 188                                 GENERAL_NAME_set0_value(gen, type, ia5);
 189                                 ia5 = NULL;
 190                                 break;
 191                         default:
 192                                 abort();
 193                         }
 194                 sk_GENERAL_NAME_push(gens, gen);
 195                 gen = NULL;
 196         }
 197         if (!X509_add1_ext_i2d(crt, NID_subject_alt_name, gens, 0, 0))
 198                 goto out;
 199         ret = 1;
 200  out:
 201         ASN1_IA5STRING_free(ia5);
 202         GENERAL_NAME_free(gen);
 203         GENERAL_NAMES_free(gens);
 204         va_end(ap);
 205         return ret;
 206         }
 207
 208 static int set_cn1(X509 *crt, const char *name)
 209         {
 210         return set_cn(crt, NID_commonName, name, 0);
 211         }
 212
 213
 214 static int set_cn_and_email(X509 *crt, const char *name)
 215         {
 216         return set_cn(crt, NID_commonName, name,
 217                       NID_pkcs9_emailAddress, "dummy@example.com", 0);
 218         }
 219
 220 static int set_cn2(X509 *crt, const char *name)
 221         {
 222         return set_cn(crt, NID_commonName, "dummy value",
 223                       NID_commonName, name, 0);
 224         }
 225
 226 static int set_cn3(X509 *crt, const char *name)
 227         {
 228         return set_cn(crt, NID_commonName, name,
 229                       NID_commonName, "dummy value", 0);
 230         }
 231
 232 static int set_email1(X509 *crt, const char *name)
 233         {
 234         return set_cn(crt, NID_pkcs9_emailAddress, name, 0);
 235         }
 236
 237 static int set_email2(X509 *crt, const char *name)
 238         {
 239         return set_cn(crt, NID_pkcs9_emailAddress, "dummy@example.com",
 240                       NID_pkcs9_emailAddress, name, 0);
 241         }
 242
 243 static int set_email3(X509 *crt, const char *name)
 244         {
 245         return set_cn(crt, NID_pkcs9_emailAddress, name,
 246                       NID_pkcs9_emailAddress, "dummy@example.com", 0);
 247         }
 248
 249 static int set_email_and_cn(X509 *crt, const char *name)
 250         {
 251         return set_cn(crt, NID_pkcs9_emailAddress, name,
 252                       NID_commonName, "www.example.org", 0);
 253         }
 254
 255 static int set_altname_dns(X509 *crt, const char *name)
 256         {
 257         return set_altname(crt, GEN_DNS, name, 0);
 258         }
 259
 260 static int set_altname_email(X509 *crt, const char *name)
 261         {
 262         return set_altname(crt, GEN_EMAIL, name, 0);
 263         }
 264
 265 struct set_name_fn
 266         {
 267         int (*fn)(X509 *, const char *);
 268         const char *name;
 269         int host;
 270         int email;
 271         };
 272
 273 static const struct set_name_fn name_fns[] =
 274         {
 275         {set_cn1, "set CN", 1, 0},
 276         {set_cn2, "set CN", 1, 0},
 277         {set_cn3, "set CN", 1, 0},
 278         {set_cn_and_email, "set CN", 1, 0},
 279         {set_email1, "set emailAddress", 0, 1},
 280         {set_email2, "set emailAddress", 0, 1},
 281         {set_email3, "set emailAddress", 0, 1},
 282         {set_email_and_cn, "set emailAddress", 0, 1},
 283         {set_altname_dns, "set dnsName", 1, 0},
 284         {set_altname_email, "set rfc822Name", 0, 1},
 285         {NULL, NULL, 0}
 286         };
 287
 288 static X509 *make_cert()
 289         {
 290         X509 *ret = NULL;
 291         X509 *crt = NULL;
 292         X509_NAME *issuer = NULL;
 293         crt = X509_new();
 294         if (crt == NULL)
 295                 goto out;
 296         if (!X509_set_version(crt, 3))
 297                 goto out;
 298         ret = crt;
 299         crt = NULL;
 300  out:
 301         X509_NAME_free(issuer);
 302         return ret;
 303         }
 304
 305 static int errors;
 306
 307 static void check_message(const struct set_name_fn *fn, const char *op,
 308                           const char *nameincert, int match, const char *name)
 309         {
 310         char msg[1024];
 311         if (match < 0)
 312                 return;
 313         BIO_snprintf(msg, sizeof(msg), "%s: %s: [%s] %s [%s]",
 314                  fn->name, op, nameincert,
 315                  match ? "matches" : "does not match", name);
 316         if (is_exception(msg))
 317                 return;
 318         puts(msg);
 319         ++errors;
 320         }
 321
 322 static void run_cert(X509 *crt, const char *nameincert,
 323                      const struct set_name_fn *fn)
 324         {
 325         const char *const *pname = names;
 326         while (*pname)
 327                 {
 328                 int samename = strcasecmp(nameincert, *pname) == 0;
 329                 size_t namelen = strlen(*pname);
 330                 char *name = malloc(namelen);
 331                 int match, ret;
 332                 memcpy(name, *pname, namelen);
 333
 334                 ret = X509_check_host(crt, (const unsigned char *)name,
 335                                       namelen, 0);
 336                 match = -1;
 337                 if (ret < 0)
 338                         {
 339                         fprintf(stderr, "internal error in X509_check_host");
 340                         ++errors;
 341                         }
 342                 else if (fn->host)
 343                         {
 344                         if (ret == 1 && !samename)
 345                                 match = 1;
 346                         if (ret == 0 && samename)
 347                                 match = 0;
 348                         }
 349                 else if (ret == 1)
 350                         match = 1;
 351                 check_message(fn, "host", nameincert, match, *pname);
 352
 353                 ret = X509_check_host(crt, (const unsigned char *)name,
 354                                       namelen, X509_CHECK_FLAG_NO_WILDCARDS);
 355                 match = -1;
 356                 if (ret < 0)
 357                         {
 358                         fprintf(stderr, "internal error in X509_check_host");
 359                         ++errors;
 360                         }
 361                 else if (fn->host)
 362                         {
 363                         if (ret == 1 && !samename)
 364                                 match = 1;
 365                         if (ret == 0 && samename)
 366                                 match = 0;
 367                         }
 368                 else if (ret == 1)
 369                         match = 1;
 370                 check_message(fn, "host-no-wildcards",
 371                               nameincert, match, *pname);
 372
 373                 ret = X509_check_email(crt, (const unsigned char *)name,
 374                                        namelen, 0);
 375                 match = -1;
 376                 if (fn->email)
 377                         {
 378                         if (ret && !samename)
 379                                 match = 1;
 380                         if (!ret && samename && strchr(nameincert, '@') != NULL)
 381                                 match = 0;
 382                         }
 383                 else if (ret)
 384                         match = 1;
 385                 check_message(fn, "email", nameincert, match, *pname);
 386                 ++pname;
 387                 free(name);
 388                 }
 389         }
 390
 391 int
 392 main(void)
 393         {
 394         const struct set_name_fn *pfn = name_fns;
 395         while (pfn->name) {
 396                 const char *const *pname = names;
 397                 while (*pname)
 398                         {
 399                         X509 *crt = make_cert();
 400                         if (crt == NULL)
 401                                 {
 402                                 fprintf(stderr, "make_cert failed\n");
 403                                 return 1;
 404                                 }
 405                         if (!pfn->fn(crt, *pname))
 406                                 {
 407                                 fprintf(stderr, "X509 name setting failed\n");
 408                                 return 1;
 409                                 }
 410                         run_cert(crt, *pname, pfn);
 411                         X509_free(crt);
 412                         ++pname;
 413                         }
 414                 ++pfn;
 415         }
 416         if (errors == 0) {
 417           printf("PASS\n");
 418         }
 419         return errors > 0 ? 1 : 0;
 420         }