LCOV - code coverage report
Current view: top level - asn1 - x_name.c (source / functions) Hit Total Coverage
Test: lcov_coverage_final.info Lines: 159 187 85.0 %
Date: 2014-08-02 Functions: 18 22 81.8 %
Branches: 67 120 55.8 %

           Branch data     Line data    Source code
       1                 :            : /* crypto/asn1/x_name.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 <ctype.h>
      61                 :            : #include "cryptlib.h"
      62                 :            : #include <openssl/asn1t.h>
      63                 :            : #include <openssl/x509.h>
      64                 :            : #include "asn1_locl.h"
      65                 :            : 
      66                 :            : typedef STACK_OF(X509_NAME_ENTRY) STACK_OF_X509_NAME_ENTRY;
      67                 :            : DECLARE_STACK_OF(STACK_OF_X509_NAME_ENTRY)
      68                 :            : 
      69                 :            : static int x509_name_ex_d2i(ASN1_VALUE **val,
      70                 :            :                                 const unsigned char **in, long len,
      71                 :            :                                 const ASN1_ITEM *it,
      72                 :            :                                 int tag, int aclass, char opt, ASN1_TLC *ctx);
      73                 :            : 
      74                 :            : static int x509_name_ex_i2d(ASN1_VALUE **val, unsigned char **out,
      75                 :            :                                 const ASN1_ITEM *it, int tag, int aclass);
      76                 :            : static int x509_name_ex_new(ASN1_VALUE **val, const ASN1_ITEM *it);
      77                 :            : static void x509_name_ex_free(ASN1_VALUE **val, const ASN1_ITEM *it);
      78                 :            : 
      79                 :            : static int x509_name_encode(X509_NAME *a);
      80                 :            : static int x509_name_canon(X509_NAME *a);
      81                 :            : static int asn1_string_canon(ASN1_STRING *out, ASN1_STRING *in);
      82                 :            : static int i2d_name_canon(STACK_OF(STACK_OF_X509_NAME_ENTRY) *intname,
      83                 :            :                           unsigned char **in);
      84                 :            : 
      85                 :            : 
      86                 :            : static int x509_name_ex_print(BIO *out, ASN1_VALUE **pval,
      87                 :            :                                                 int indent,
      88                 :            :                                                 const char *fname, 
      89                 :            :                                                 const ASN1_PCTX *pctx);
      90                 :            : 
      91                 :            : ASN1_SEQUENCE(X509_NAME_ENTRY) = {
      92                 :            :         ASN1_SIMPLE(X509_NAME_ENTRY, object, ASN1_OBJECT),
      93                 :            :         ASN1_SIMPLE(X509_NAME_ENTRY, value, ASN1_PRINTABLE)
      94                 :            : } ASN1_SEQUENCE_END(X509_NAME_ENTRY)
      95                 :            : 
      96                 :     303744 : IMPLEMENT_ASN1_FUNCTIONS(X509_NAME_ENTRY)
      97                 :       1310 : IMPLEMENT_ASN1_DUP_FUNCTION(X509_NAME_ENTRY)
      98                 :            : 
      99                 :            : /* For the "Name" type we need a SEQUENCE OF { SET OF X509_NAME_ENTRY }
     100                 :            :  * so declare two template wrappers for this
     101                 :            :  */
     102                 :            : 
     103                 :            : ASN1_ITEM_TEMPLATE(X509_NAME_ENTRIES) =
     104                 :            :         ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SET_OF, 0, RDNS, X509_NAME_ENTRY)
     105                 :            : ASN1_ITEM_TEMPLATE_END(X509_NAME_ENTRIES)
     106                 :            : 
     107                 :            : ASN1_ITEM_TEMPLATE(X509_NAME_INTERNAL) =
     108                 :            :         ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, Name, X509_NAME_ENTRIES)
     109                 :            : ASN1_ITEM_TEMPLATE_END(X509_NAME_INTERNAL)
     110                 :            : 
     111                 :            : /* Normally that's where it would end: we'd have two nested STACK structures
     112                 :            :  * representing the ASN1. Unfortunately X509_NAME uses a completely different
     113                 :            :  * form and caches encodings so we have to process the internal form and convert
     114                 :            :  * to the external form.
     115                 :            :  */
     116                 :            : 
     117                 :            : const ASN1_EXTERN_FUNCS x509_name_ff = {
     118                 :            :         NULL,
     119                 :            :         x509_name_ex_new,
     120                 :            :         x509_name_ex_free,
     121                 :            :         0,      /* Default clear behaviour is OK */
     122                 :            :         x509_name_ex_d2i,
     123                 :            :         x509_name_ex_i2d,
     124                 :            :         x509_name_ex_print
     125                 :            : };
     126                 :            : 
     127                 :            : IMPLEMENT_EXTERN_ASN1(X509_NAME, V_ASN1_SEQUENCE, x509_name_ff) 
     128                 :            : 
     129                 :       3274 : IMPLEMENT_ASN1_FUNCTIONS(X509_NAME)
     130                 :       1016 : IMPLEMENT_ASN1_DUP_FUNCTION(X509_NAME)
     131                 :            : 
     132                 :      23598 : static int x509_name_ex_new(ASN1_VALUE **val, const ASN1_ITEM *it)
     133                 :            : {
     134                 :      23598 :         X509_NAME *ret = NULL;
     135                 :      23598 :         ret = OPENSSL_malloc(sizeof(X509_NAME));
     136         [ +  - ]:      23598 :         if(!ret) goto memerr;
     137         [ +  - ]:      23598 :         if ((ret->entries=sk_X509_NAME_ENTRY_new_null()) == NULL)
     138                 :            :                 goto memerr;
     139         [ +  - ]:      23598 :         if((ret->bytes = BUF_MEM_new()) == NULL) goto memerr;
     140                 :      23598 :         ret->canon_enc = NULL;
     141                 :      23598 :         ret->canon_enclen = 0;
     142                 :      23598 :         ret->modified=1;
     143                 :      23598 :         *val = (ASN1_VALUE *)ret;
     144                 :      23598 :         return 1;
     145                 :            : 
     146                 :            :  memerr:
     147                 :          0 :         ASN1err(ASN1_F_X509_NAME_EX_NEW, ERR_R_MALLOC_FAILURE);
     148         [ #  # ]:          0 :         if (ret)
     149                 :            :                 {
     150         [ #  # ]:          0 :                 if (ret->entries)
     151                 :          0 :                         sk_X509_NAME_ENTRY_free(ret->entries);
     152                 :          0 :                 OPENSSL_free(ret);
     153                 :            :                 }
     154                 :            :         return 0;
     155                 :            : }
     156                 :            : 
     157                 :      23598 : static void x509_name_ex_free(ASN1_VALUE **pval, const ASN1_ITEM *it)
     158                 :            : {
     159                 :            :         X509_NAME *a;
     160 [ +  - ][ +  - ]:      23598 :         if(!pval || !*pval)
     161                 :      23598 :             return;
     162                 :      23598 :         a = (X509_NAME *)*pval;
     163                 :            : 
     164                 :      23598 :         BUF_MEM_free(a->bytes);
     165                 :      23598 :         sk_X509_NAME_ENTRY_pop_free(a->entries,X509_NAME_ENTRY_free);
     166         [ +  + ]:      23598 :         if (a->canon_enc)
     167                 :      13379 :                 OPENSSL_free(a->canon_enc);
     168                 :      23598 :         OPENSSL_free(a);
     169                 :      23598 :         *pval = NULL;
     170                 :            : }
     171                 :            : 
     172                 :      13023 : static int x509_name_ex_d2i(ASN1_VALUE **val,
     173                 :            :                         const unsigned char **in, long len, const ASN1_ITEM *it,
     174                 :            :                                 int tag, int aclass, char opt, ASN1_TLC *ctx)
     175                 :            : {
     176                 :      13023 :         const unsigned char *p = *in, *q;
     177                 :            :         union { STACK_OF(STACK_OF_X509_NAME_ENTRY) *s;
     178                 :      13023 :                 ASN1_VALUE *a; } intname = {NULL};
     179                 :      13023 :         union { X509_NAME *x; ASN1_VALUE *a; } nm = {NULL};
     180                 :            :         int i, j, ret;
     181                 :            :         STACK_OF(X509_NAME_ENTRY) *entries;
     182                 :            :         X509_NAME_ENTRY *entry;
     183                 :      13023 :         q = p;
     184                 :            : 
     185                 :            :         /* Get internal representation of Name */
     186                 :      13023 :         ret = ASN1_item_ex_d2i(&intname.a,
     187                 :            :                                &p, len, ASN1_ITEM_rptr(X509_NAME_INTERNAL),
     188                 :            :                                tag, aclass, opt, ctx);
     189                 :            :         
     190         [ +  - ]:      13023 :         if(ret <= 0) return ret;
     191                 :            : 
     192         [ +  + ]:      13023 :         if(*val) x509_name_ex_free(val, NULL);
     193         [ +  - ]:      13023 :         if(!x509_name_ex_new(&nm.a, NULL)) goto err;
     194                 :            :         /* We've decoded it: now cache encoding */
     195         [ +  - ]:      13023 :         if(!BUF_MEM_grow(nm.x->bytes, p - q)) goto err;
     196                 :      13023 :         memcpy(nm.x->bytes->data, q, p - q);
     197                 :            : 
     198                 :            :         /* Convert internal representation to X509_NAME structure */
     199         [ +  + ]:      62548 :         for(i = 0; i < sk_STACK_OF_X509_NAME_ENTRY_num(intname.s); i++) {
     200                 :      49525 :                 entries = sk_STACK_OF_X509_NAME_ENTRY_value(intname.s, i);
     201         [ +  + ]:      99062 :                 for(j = 0; j < sk_X509_NAME_ENTRY_num(entries); j++) {
     202                 :      49537 :                         entry = sk_X509_NAME_ENTRY_value(entries, j);
     203                 :      49537 :                         entry->set = i;
     204         [ +  - ]:      49537 :                         if(!sk_X509_NAME_ENTRY_push(nm.x->entries, entry))
     205                 :            :                                 goto err;
     206                 :            :                 }
     207                 :      49525 :                 sk_X509_NAME_ENTRY_free(entries);
     208                 :            :         }
     209                 :      13023 :         sk_STACK_OF_X509_NAME_ENTRY_free(intname.s);
     210                 :      13023 :         ret = x509_name_canon(nm.x);
     211         [ +  - ]:      13023 :         if (!ret)
     212                 :            :                 goto err;
     213                 :      13023 :         nm.x->modified = 0;
     214                 :      13023 :         *val = nm.a;
     215                 :      13023 :         *in = p;
     216                 :      13023 :         return ret;
     217                 :            : err:
     218         [ #  # ]:          0 :         if (nm.x != NULL)
     219                 :          0 :                 X509_NAME_free(nm.x);
     220                 :          0 :         ASN1err(ASN1_F_X509_NAME_EX_D2I, ERR_R_NESTED_ASN1_ERROR);
     221                 :          0 :         return 0;
     222                 :            : }
     223                 :            : 
     224                 :       3198 : static int x509_name_ex_i2d(ASN1_VALUE **val, unsigned char **out, const ASN1_ITEM *it, int tag, int aclass)
     225                 :            : {
     226                 :            :         int ret;
     227                 :       3198 :         X509_NAME *a = (X509_NAME *)*val;
     228         [ +  + ]:       3198 :         if(a->modified) {
     229                 :        356 :                 ret = x509_name_encode(a);
     230         [ +  - ]:        356 :                 if(ret < 0)
     231                 :            :                         return ret;
     232                 :        356 :                 ret = x509_name_canon(a);
     233         [ +  - ]:        356 :                 if(ret < 0)
     234                 :            :                         return ret;
     235                 :            :         }
     236                 :       3198 :         ret = a->bytes->length;
     237         [ +  + ]:       3198 :         if(out != NULL) {
     238                 :        831 :                 memcpy(*out,a->bytes->data,ret);
     239                 :        831 :                 *out+=ret;
     240                 :            :         }
     241                 :       3198 :         return ret;
     242                 :            : }
     243                 :            : 
     244                 :        655 : static void local_sk_X509_NAME_ENTRY_free(STACK_OF(X509_NAME_ENTRY) *ne)
     245                 :            :         {
     246                 :        655 :         sk_X509_NAME_ENTRY_free(ne);
     247                 :        655 :         }
     248                 :            : 
     249                 :      50180 : static void local_sk_X509_NAME_ENTRY_pop_free(STACK_OF(X509_NAME_ENTRY) *ne)
     250                 :            :         {
     251                 :      50180 :         sk_X509_NAME_ENTRY_pop_free(ne, X509_NAME_ENTRY_free);
     252                 :      50180 :         }
     253                 :            : 
     254                 :        356 : static int x509_name_encode(X509_NAME *a)
     255                 :            : {
     256                 :            :         union { STACK_OF(STACK_OF_X509_NAME_ENTRY) *s;
     257                 :        356 :                 ASN1_VALUE *a; } intname = {NULL};
     258                 :            :         int len;
     259                 :            :         unsigned char *p;
     260                 :        356 :         STACK_OF(X509_NAME_ENTRY) *entries = NULL;
     261                 :            :         X509_NAME_ENTRY *entry;
     262                 :        356 :         int i, set = -1;
     263                 :        356 :         intname.s = sk_STACK_OF_X509_NAME_ENTRY_new_null();
     264         [ +  - ]:        356 :         if(!intname.s) goto memerr;
     265         [ +  + ]:       1011 :         for(i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) {
     266                 :        655 :                 entry = sk_X509_NAME_ENTRY_value(a->entries, i);
     267         [ +  - ]:        655 :                 if(entry->set != set) {
     268                 :        655 :                         entries = sk_X509_NAME_ENTRY_new_null();
     269         [ +  - ]:        655 :                         if(!entries) goto memerr;
     270         [ +  - ]:        655 :                         if(!sk_STACK_OF_X509_NAME_ENTRY_push(intname.s,
     271                 :            :                                                              entries))
     272                 :            :                                 goto memerr;
     273                 :        655 :                         set = entry->set;
     274                 :            :                 }
     275         [ +  - ]:        655 :                 if(!sk_X509_NAME_ENTRY_push(entries, entry)) goto memerr;
     276                 :            :         }
     277                 :        356 :         len = ASN1_item_ex_i2d(&intname.a, NULL,
     278                 :            :                                ASN1_ITEM_rptr(X509_NAME_INTERNAL), -1, -1);
     279         [ +  - ]:        356 :         if (!BUF_MEM_grow(a->bytes,len)) goto memerr;
     280                 :        356 :         p=(unsigned char *)a->bytes->data;
     281                 :        356 :         ASN1_item_ex_i2d(&intname.a,
     282                 :            :                          &p, ASN1_ITEM_rptr(X509_NAME_INTERNAL), -1, -1);
     283                 :        356 :         sk_STACK_OF_X509_NAME_ENTRY_pop_free(intname.s,
     284                 :            :                                              local_sk_X509_NAME_ENTRY_free);
     285                 :        356 :         a->modified = 0;
     286                 :        356 :         return len;
     287                 :            : memerr:
     288                 :          0 :         sk_STACK_OF_X509_NAME_ENTRY_pop_free(intname.s,
     289                 :            :                                              local_sk_X509_NAME_ENTRY_free);
     290                 :          0 :         ASN1err(ASN1_F_X509_NAME_ENCODE, ERR_R_MALLOC_FAILURE);
     291                 :          0 :         return -1;
     292                 :            : }
     293                 :            : 
     294                 :          0 : static int x509_name_ex_print(BIO *out, ASN1_VALUE **pval,
     295                 :            :                                                 int indent,
     296                 :            :                                                 const char *fname, 
     297                 :            :                                                 const ASN1_PCTX *pctx)
     298                 :            :         {
     299         [ #  # ]:          0 :         if (X509_NAME_print_ex(out, (X509_NAME *)*pval,
     300                 :            :                                         indent, pctx->nm_flags) <= 0)
     301                 :            :                 return 0;
     302                 :          0 :         return 2;
     303                 :            :         }
     304                 :            : 
     305                 :            : /* This function generates the canonical encoding of the Name structure.
     306                 :            :  * In it all strings are converted to UTF8, leading, trailing and
     307                 :            :  * multiple spaces collapsed, converted to lower case and the leading
     308                 :            :  * SEQUENCE header removed.
     309                 :            :  *
     310                 :            :  * In future we could also normalize the UTF8 too.
     311                 :            :  *
     312                 :            :  * By doing this comparison of Name structures can be rapidly
     313                 :            :  * perfomed by just using memcmp() of the canonical encoding.
     314                 :            :  * By omitting the leading SEQUENCE name constraints of type
     315                 :            :  * dirName can also be checked with a simple memcmp().
     316                 :            :  */
     317                 :            : 
     318                 :      13379 : static int x509_name_canon(X509_NAME *a)
     319                 :            :         {
     320                 :            :         unsigned char *p;
     321                 :      13379 :         STACK_OF(STACK_OF_X509_NAME_ENTRY) *intname = NULL;
     322                 :      13379 :         STACK_OF(X509_NAME_ENTRY) *entries = NULL;
     323                 :      13379 :         X509_NAME_ENTRY *entry, *tmpentry = NULL;
     324                 :      13379 :         int i, set = -1, ret = 0;
     325                 :            : 
     326         [ -  + ]:      13379 :         if (a->canon_enc)
     327                 :            :                 {
     328                 :          0 :                 OPENSSL_free(a->canon_enc);
     329                 :          0 :                 a->canon_enc = NULL;
     330                 :            :                 }
     331                 :            :         /* Special case: empty X509_NAME => null encoding */
     332         [ -  + ]:      13379 :         if (sk_X509_NAME_ENTRY_num(a->entries) == 0)
     333                 :            :                 {
     334                 :          0 :                 a->canon_enclen = 0;
     335                 :          0 :                 return 1;
     336                 :            :                 }
     337                 :      13379 :         intname = sk_STACK_OF_X509_NAME_ENTRY_new_null();
     338         [ +  - ]:      13379 :         if(!intname)
     339                 :            :                 goto err;
     340         [ +  + ]:      63571 :         for(i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++)
     341                 :            :                 {
     342                 :      50192 :                 entry = sk_X509_NAME_ENTRY_value(a->entries, i);
     343         [ +  + ]:      50192 :                 if(entry->set != set)
     344                 :            :                         {
     345                 :      50180 :                         entries = sk_X509_NAME_ENTRY_new_null();
     346         [ +  - ]:      50180 :                         if(!entries)
     347                 :            :                                 goto err;
     348         [ +  - ]:      50180 :                         if(!sk_STACK_OF_X509_NAME_ENTRY_push(intname, entries))
     349                 :            :                                 goto err;
     350                 :      50180 :                         set = entry->set;
     351                 :            :                         }
     352                 :      50192 :                 tmpentry = X509_NAME_ENTRY_new();
     353                 :      50192 :                 tmpentry->object = OBJ_dup(entry->object);
     354         [ +  - ]:      50192 :                 if (!asn1_string_canon(tmpentry->value, entry->value))
     355                 :            :                         goto err;
     356         [ +  - ]:      50192 :                 if(!sk_X509_NAME_ENTRY_push(entries, tmpentry))
     357                 :            :                         goto err;
     358                 :      50192 :                 tmpentry = NULL;
     359                 :            :                 }
     360                 :            : 
     361                 :            :         /* Finally generate encoding */
     362                 :            : 
     363                 :      13379 :         a->canon_enclen = i2d_name_canon(intname, NULL);
     364                 :            : 
     365                 :      13379 :         p = OPENSSL_malloc(a->canon_enclen);
     366                 :            : 
     367         [ +  - ]:      13379 :         if (!p)
     368                 :            :                 goto err;
     369                 :            : 
     370                 :      13379 :         a->canon_enc = p;
     371                 :            : 
     372                 :      13379 :         i2d_name_canon(intname, &p);
     373                 :            : 
     374                 :      13379 :         ret = 1;
     375                 :            : 
     376                 :            :         err:
     377                 :            : 
     378         [ -  + ]:      13379 :         if (tmpentry)
     379                 :          0 :                 X509_NAME_ENTRY_free(tmpentry);
     380         [ +  - ]:      13379 :         if (intname)
     381                 :      13379 :                 sk_STACK_OF_X509_NAME_ENTRY_pop_free(intname,
     382                 :            :                                         local_sk_X509_NAME_ENTRY_pop_free);
     383                 :      13379 :         return ret;
     384                 :            :         }
     385                 :            : 
     386                 :            : /* Bitmap of all the types of string that will be canonicalized. */
     387                 :            : 
     388                 :            : #define ASN1_MASK_CANON \
     389                 :            :         (B_ASN1_UTF8STRING | B_ASN1_BMPSTRING | B_ASN1_UNIVERSALSTRING \
     390                 :            :         | B_ASN1_PRINTABLESTRING | B_ASN1_T61STRING | B_ASN1_IA5STRING \
     391                 :            :         | B_ASN1_VISIBLESTRING)
     392                 :            :         
     393                 :            : 
     394                 :      50192 : static int asn1_string_canon(ASN1_STRING *out, ASN1_STRING *in)
     395                 :            :         {
     396                 :            :         unsigned char *to, *from;
     397                 :            :         int len, i;
     398                 :            : 
     399                 :            :         /* If type not in bitmask just copy string across */
     400         [ -  + ]:      50192 :         if (!(ASN1_tag2bit(in->type) & ASN1_MASK_CANON))
     401                 :            :                 {
     402         [ #  # ]:          0 :                 if (!ASN1_STRING_copy(out, in))
     403                 :            :                         return 0;
     404                 :          0 :                 return 1;
     405                 :            :                 }
     406                 :            : 
     407                 :      50192 :         out->type = V_ASN1_UTF8STRING;
     408                 :      50192 :         out->length = ASN1_STRING_to_UTF8(&out->data, in);
     409         [ +  - ]:      50192 :         if (out->length == -1)
     410                 :            :                 return 0;
     411                 :            : 
     412                 :      50192 :         to = out->data;
     413                 :      50192 :         from = to;
     414                 :            : 
     415                 :      50192 :         len = out->length;
     416                 :            : 
     417                 :            :         /* Convert string in place to canonical form.
     418                 :            :          * Ultimately we may need to handle a wider range of characters
     419                 :            :          * but for now ignore anything with MSB set and rely on the
     420                 :            :          * isspace() and tolower() functions.
     421                 :            :          */
     422                 :            : 
     423                 :            :         /* Ignore leading spaces */
     424 [ +  - ][ +  - ]:      50192 :         while((len > 0) && !(*from & 0x80) && isspace(*from))
                 [ -  + ]
     425                 :            :                 {
     426                 :          0 :                 from++;
     427                 :          0 :                 len--;
     428                 :            :                 }
     429                 :            : 
     430                 :      50192 :         to = from + len - 1;
     431                 :            : 
     432                 :            :         /* Ignore trailing spaces */
     433 [ +  - ][ +  - ]:      50192 :         while ((len > 0) && !(*to & 0x80) && isspace(*to))
                 [ -  + ]
     434                 :            :                 {
     435                 :          0 :                 to--;
     436                 :          0 :                 len--;
     437                 :            :                 }
     438                 :            : 
     439                 :            :         to = out->data;
     440                 :            : 
     441                 :            :         i = 0;
     442         [ +  + ]:     499730 :         while(i < len)
     443                 :            :                 {
     444                 :            :                 /* If MSB set just copy across */
     445         [ -  + ]:     449538 :                 if (*from & 0x80)
     446                 :            :                         {
     447                 :          0 :                         *to++ = *from++;
     448                 :          0 :                         i++;
     449                 :            :                         }
     450                 :            :                 /* Collapse multiple spaces */
     451         [ +  + ]:     449538 :                 else if (isspace(*from))
     452                 :            :                         {
     453                 :            :                         /* Copy one space across */
     454                 :      40703 :                         *to++ = ' ';
     455                 :            :                         /* Ignore subsequent spaces. Note: don't need to
     456                 :            :                          * check len here because we know the last 
     457                 :            :                          * character is a non-space so we can't overflow.
     458                 :            :                          */
     459                 :            :                         do
     460                 :            :                                 {
     461                 :      40703 :                                 from++;
     462                 :      40703 :                                 i++;
     463                 :            :                                 }
     464 [ +  - ][ -  + ]:      40703 :                         while(!(*from & 0x80) && isspace(*from));
     465                 :            :                         }
     466                 :            :                 else
     467                 :            :                         {
     468                 :     408835 :                         *to++ = tolower(*from);
     469                 :     408835 :                         from++;
     470                 :     449538 :                         i++;
     471                 :            :                         }
     472                 :            :                 }
     473                 :            : 
     474                 :      50192 :         out->length = to - out->data;
     475                 :            : 
     476                 :      50192 :         return 1;
     477                 :            : 
     478                 :            :         }
     479                 :            : 
     480                 :      26758 : static int i2d_name_canon(STACK_OF(STACK_OF_X509_NAME_ENTRY) *_intname,
     481                 :            :                           unsigned char **in)
     482                 :            :         {
     483                 :            :         int i, len, ltmp;
     484                 :            :         ASN1_VALUE *v;
     485                 :      26758 :         STACK_OF(ASN1_VALUE) *intname = (STACK_OF(ASN1_VALUE) *)_intname;
     486                 :            : 
     487                 :      26758 :         len = 0;
     488         [ +  + ]:     127118 :         for (i = 0; i < sk_ASN1_VALUE_num(intname); i++)
     489                 :            :                 {
     490                 :     100360 :                 v = sk_ASN1_VALUE_value(intname, i);
     491                 :     100360 :                 ltmp = ASN1_item_ex_i2d(&v, in,
     492                 :            :                         ASN1_ITEM_rptr(X509_NAME_ENTRIES), -1, -1);
     493         [ +  - ]:     100360 :                 if (ltmp < 0)
     494                 :            :                         return ltmp;
     495                 :     100360 :                 len += ltmp;
     496                 :            :                 }
     497                 :            :         return len;
     498                 :            :         }
     499                 :            : 
     500                 :        492 : int X509_NAME_set(X509_NAME **xn, X509_NAME *name)
     501                 :            :         {
     502                 :            :         X509_NAME *in;
     503                 :            : 
     504         [ +  - ]:        492 :         if (!xn || !name) return(0);
     505                 :            : 
     506         [ +  - ]:        492 :         if (*xn != name)
     507                 :            :                 {
     508                 :        492 :                 in=X509_NAME_dup(name);
     509         [ +  - ]:        492 :                 if (in != NULL)
     510                 :            :                         {
     511                 :        492 :                         X509_NAME_free(*xn);
     512                 :        492 :                         *xn=in;
     513                 :            :                         }
     514                 :            :                 }
     515                 :        492 :         return(*xn != NULL);
     516                 :            :         }
     517                 :            :         
     518                 :            : IMPLEMENT_STACK_OF(X509_NAME_ENTRY)
     519                 :            : IMPLEMENT_ASN1_SET_OF(X509_NAME_ENTRY)

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