LCOV - code coverage report
Current view: top level - x509 - x509_v3.c (source / functions) Hit Total Coverage
Test: lcov_coverage_final.info Lines: 67 96 69.8 %
Date: 2014-08-02 Functions: 12 15 80.0 %
Branches: 41 100 41.0 %

           Branch data     Line data    Source code
       1                 :            : /* crypto/x509/x509_v3.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 <openssl/stack.h>
      61                 :            : #include "cryptlib.h"
      62                 :            : #include <openssl/asn1.h>
      63                 :            : #include <openssl/objects.h>
      64                 :            : #include <openssl/evp.h>
      65                 :            : #include <openssl/x509.h>
      66                 :            : #include <openssl/x509v3.h>
      67                 :            : 
      68                 :      20153 : int X509v3_get_ext_count(const STACK_OF(X509_EXTENSION) *x)
      69                 :            :         {
      70         [ +  + ]:      20153 :         if (x == NULL) return(0);
      71                 :      20142 :         return(sk_X509_EXTENSION_num(x));
      72                 :            :         }
      73                 :            : 
      74                 :       3784 : int X509v3_get_ext_by_NID(const STACK_OF(X509_EXTENSION) *x, int nid,
      75                 :            :                           int lastpos)
      76                 :            :         {
      77                 :            :         ASN1_OBJECT *obj;
      78                 :            : 
      79                 :       3784 :         obj=OBJ_nid2obj(nid);
      80         [ +  - ]:       3784 :         if (obj == NULL) return(-2);
      81                 :       3784 :         return(X509v3_get_ext_by_OBJ(x,obj,lastpos));
      82                 :            :         }
      83                 :            : 
      84                 :       3784 : int X509v3_get_ext_by_OBJ(const STACK_OF(X509_EXTENSION) *sk, ASN1_OBJECT *obj,
      85                 :            :                           int lastpos)
      86                 :            :         {
      87                 :            :         int n;
      88                 :            :         X509_EXTENSION *ex;
      89                 :            : 
      90         [ +  + ]:       3784 :         if (sk == NULL) return(-1);
      91                 :       3698 :         lastpos++;
      92         [ -  + ]:       3698 :         if (lastpos < 0)
      93                 :          0 :                 lastpos=0;
      94                 :       3698 :         n=sk_X509_EXTENSION_num(sk);
      95         [ +  + ]:      18432 :         for ( ; lastpos < n; lastpos++)
      96                 :            :                 {
      97                 :      14755 :                 ex=sk_X509_EXTENSION_value(sk,lastpos);
      98         [ +  + ]:      14755 :                 if (OBJ_cmp(ex->object,obj) == 0)
      99                 :            :                         return(lastpos);
     100                 :            :                 }
     101                 :            :         return(-1);
     102                 :            :         }
     103                 :            : 
     104                 :          0 : int X509v3_get_ext_by_critical(const STACK_OF(X509_EXTENSION) *sk, int crit,
     105                 :            :                                int lastpos)
     106                 :            :         {
     107                 :            :         int n;
     108                 :            :         X509_EXTENSION *ex;
     109                 :            : 
     110         [ #  # ]:          0 :         if (sk == NULL) return(-1);
     111                 :          0 :         lastpos++;
     112         [ #  # ]:          0 :         if (lastpos < 0)
     113                 :          0 :                 lastpos=0;
     114                 :          0 :         n=sk_X509_EXTENSION_num(sk);
     115         [ #  # ]:          0 :         for ( ; lastpos < n; lastpos++)
     116                 :            :                 {
     117                 :          0 :                 ex=sk_X509_EXTENSION_value(sk,lastpos);
     118 [ #  # ][ #  # ]:          0 :                 if (    ((ex->critical > 0) && crit) ||
                 [ #  # ]
     119         [ #  # ]:          0 :                         ((ex->critical <= 0) && !crit))
     120                 :            :                         return(lastpos);
     121                 :            :                 }
     122                 :            :         return(-1);
     123                 :            :         }
     124                 :            : 
     125                 :      16466 : X509_EXTENSION *X509v3_get_ext(const STACK_OF(X509_EXTENSION) *x, int loc)
     126                 :            :         {
     127 [ +  - ][ +  - ]:      16466 :         if (x == NULL || sk_X509_EXTENSION_num(x) <= loc || loc < 0)
                 [ +  - ]
     128                 :            :                 return NULL;
     129                 :            :         else
     130                 :      16466 :                 return sk_X509_EXTENSION_value(x,loc);
     131                 :            :         }
     132                 :            : 
     133                 :          0 : X509_EXTENSION *X509v3_delete_ext(STACK_OF(X509_EXTENSION) *x, int loc)
     134                 :            :         {
     135                 :            :         X509_EXTENSION *ret;
     136                 :            : 
     137 [ #  # ][ #  # ]:          0 :         if (x == NULL || sk_X509_EXTENSION_num(x) <= loc || loc < 0)
                 [ #  # ]
     138                 :            :                 return(NULL);
     139                 :          0 :         ret=sk_X509_EXTENSION_delete(x,loc);
     140                 :          0 :         return(ret);
     141                 :            :         }
     142                 :            : 
     143                 :         40 : STACK_OF(X509_EXTENSION) *X509v3_add_ext(STACK_OF(X509_EXTENSION) **x,
     144                 :            :                                          X509_EXTENSION *ex, int loc)
     145                 :            :         {
     146                 :         40 :         X509_EXTENSION *new_ex=NULL;
     147                 :            :         int n;
     148                 :         40 :         STACK_OF(X509_EXTENSION) *sk=NULL;
     149                 :            : 
     150         [ -  + ]:         40 :         if (x == NULL)
     151                 :            :                 {
     152                 :          0 :                 X509err(X509_F_X509V3_ADD_EXT,ERR_R_PASSED_NULL_PARAMETER);
     153                 :          0 :                 goto err2;
     154                 :            :                 }
     155                 :            : 
     156         [ +  + ]:         40 :         if (*x == NULL)
     157                 :            :                 {
     158         [ +  - ]:          9 :                 if ((sk=sk_X509_EXTENSION_new_null()) == NULL)
     159                 :            :                         goto err;
     160                 :            :                 }
     161                 :            :         else
     162                 :            :                 sk= *x;
     163                 :            : 
     164                 :         40 :         n=sk_X509_EXTENSION_num(sk);
     165         [ +  - ]:         40 :         if (loc > n) loc=n;
     166         [ +  - ]:         40 :         else if (loc < 0) loc=n;
     167                 :            : 
     168         [ +  - ]:         40 :         if ((new_ex=X509_EXTENSION_dup(ex)) == NULL)
     169                 :            :                 goto err2;
     170         [ +  - ]:         40 :         if (!sk_X509_EXTENSION_insert(sk,new_ex,loc))
     171                 :            :                 goto err;
     172         [ +  + ]:         40 :         if (*x == NULL)
     173                 :          9 :                 *x=sk;
     174                 :         40 :         return(sk);
     175                 :            : err:
     176                 :          0 :         X509err(X509_F_X509V3_ADD_EXT,ERR_R_MALLOC_FAILURE);
     177                 :            : err2:
     178         [ #  # ]:          0 :         if (new_ex != NULL) X509_EXTENSION_free(new_ex);
     179         [ #  # ]:          0 :         if (sk != NULL) sk_X509_EXTENSION_free(sk);
     180                 :            :         return(NULL);
     181                 :            :         }
     182                 :            : 
     183                 :        222 : X509_EXTENSION *X509_EXTENSION_create_by_NID(X509_EXTENSION **ex, int nid,
     184                 :            :              int crit, ASN1_OCTET_STRING *data)
     185                 :            :         {
     186                 :            :         ASN1_OBJECT *obj;
     187                 :            :         X509_EXTENSION *ret;
     188                 :            : 
     189                 :        222 :         obj=OBJ_nid2obj(nid);
     190         [ -  + ]:        222 :         if (obj == NULL)
     191                 :            :                 {
     192                 :          0 :                 X509err(X509_F_X509_EXTENSION_CREATE_BY_NID,X509_R_UNKNOWN_NID);
     193                 :          0 :                 return(NULL);
     194                 :            :                 }
     195                 :        222 :         ret=X509_EXTENSION_create_by_OBJ(ex,obj,crit,data);
     196         [ -  + ]:        222 :         if (ret == NULL) ASN1_OBJECT_free(obj);
     197                 :        222 :         return(ret);
     198                 :            :         }
     199                 :            : 
     200                 :        222 : X509_EXTENSION *X509_EXTENSION_create_by_OBJ(X509_EXTENSION **ex,
     201                 :            :              ASN1_OBJECT *obj, int crit, ASN1_OCTET_STRING *data)
     202                 :            :         {
     203                 :            :         X509_EXTENSION *ret;
     204                 :            : 
     205 [ -  + ][ #  # ]:        222 :         if ((ex == NULL) || (*ex == NULL))
     206                 :            :                 {
     207         [ -  + ]:        222 :                 if ((ret=X509_EXTENSION_new()) == NULL)
     208                 :            :                         {
     209                 :          0 :                         X509err(X509_F_X509_EXTENSION_CREATE_BY_OBJ,ERR_R_MALLOC_FAILURE);
     210                 :          0 :                         return(NULL);
     211                 :            :                         }
     212                 :            :                 }
     213                 :            :         else
     214                 :            :                 ret= *ex;
     215                 :            : 
     216         [ +  - ]:        222 :         if (!X509_EXTENSION_set_object(ret,obj))
     217                 :            :                 goto err;
     218         [ +  - ]:        222 :         if (!X509_EXTENSION_set_critical(ret,crit))
     219                 :            :                 goto err;
     220         [ +  - ]:        222 :         if (!X509_EXTENSION_set_data(ret,data))
     221                 :            :                 goto err;
     222                 :            :         
     223 [ -  + ][ #  # ]:        222 :         if ((ex != NULL) && (*ex == NULL)) *ex=ret;
     224                 :        222 :         return(ret);
     225                 :            : err:
     226 [ #  # ][ #  # ]:          0 :         if ((ex == NULL) || (ret != *ex))
     227                 :          0 :                 X509_EXTENSION_free(ret);
     228                 :            :         return(NULL);
     229                 :            :         }
     230                 :            : 
     231                 :        222 : int X509_EXTENSION_set_object(X509_EXTENSION *ex, ASN1_OBJECT *obj)
     232                 :            :         {
     233         [ +  - ]:        222 :         if ((ex == NULL) || (obj == NULL))
     234                 :            :                 return(0);
     235                 :        222 :         ASN1_OBJECT_free(ex->object);
     236                 :        222 :         ex->object=OBJ_dup(obj);
     237                 :        222 :         return(1);
     238                 :            :         }
     239                 :            : 
     240                 :        222 : int X509_EXTENSION_set_critical(X509_EXTENSION *ex, int crit)
     241                 :            :         {
     242         [ +  - ]:        222 :         if (ex == NULL) return(0);
     243         [ +  + ]:        222 :         ex->critical=(crit)?0xFF:-1;
     244                 :        222 :         return(1);
     245                 :            :         }
     246                 :            : 
     247                 :        222 : int X509_EXTENSION_set_data(X509_EXTENSION *ex, ASN1_OCTET_STRING *data)
     248                 :            :         {
     249                 :            :         int i;
     250                 :            : 
     251         [ +  - ]:        222 :         if (ex == NULL) return(0);
     252                 :        222 :         i=M_ASN1_OCTET_STRING_set(ex->value,data->data,data->length);
     253         [ +  - ]:        222 :         if (!i) return(0);
     254                 :        222 :         return(1);
     255                 :            :         }
     256                 :            : 
     257                 :      19405 : ASN1_OBJECT *X509_EXTENSION_get_object(X509_EXTENSION *ex)
     258                 :            :         {
     259         [ +  - ]:      19405 :         if (ex == NULL) return(NULL);
     260                 :      19405 :         return(ex->object);
     261                 :            :         }
     262                 :            : 
     263                 :          0 : ASN1_OCTET_STRING *X509_EXTENSION_get_data(X509_EXTENSION *ex)
     264                 :            :         {
     265         [ #  # ]:          0 :         if (ex == NULL) return(NULL);
     266                 :          0 :         return(ex->value);
     267                 :            :         }
     268                 :            : 
     269                 :      16617 : int X509_EXTENSION_get_critical(X509_EXTENSION *ex)
     270                 :            :         {
     271         [ +  - ]:      16617 :         if (ex == NULL) return(0);
     272         [ +  + ]:      16617 :         if(ex->critical > 0) return 1;
     273                 :      13773 :         return 0;
     274                 :            :         }

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