LCOV - code coverage report
Current view: top level - asn1 - a_dup.c (source / functions) Hit Total Coverage
Test: lcov_coverage_final.info Lines: 20 22 90.9 %
Date: 2014-08-02 Functions: 2 2 100.0 %
Branches: 4 8 50.0 %

           Branch data     Line data    Source code
       1                 :            : /* crypto/asn1/a_dup.c */
       2                 :            : /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
       3                 :            :  * All rights reserved.
       4                 :            :  *
       5                 :            :  * This package is an SSL implementation written
       6                 :            :  * by Eric Young (eay@cryptsoft.com).
       7                 :            :  * The implementation was written so as to conform with Netscapes SSL.
       8                 :            :  * 
       9                 :            :  * This library is free for commercial and non-commercial use as long as
      10                 :            :  * the following conditions are aheared to.  The following conditions
      11                 :            :  * apply to all code found in this distribution, be it the RC4, RSA,
      12                 :            :  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
      13                 :            :  * included with this distribution is covered by the same copyright terms
      14                 :            :  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
      15                 :            :  * 
      16                 :            :  * Copyright remains Eric Young's, and as such any Copyright notices in
      17                 :            :  * the code are not to be removed.
      18                 :            :  * If this package is used in a product, Eric Young should be given attribution
      19                 :            :  * as the author of the parts of the library used.
      20                 :            :  * This can be in the form of a textual message at program startup or
      21                 :            :  * in documentation (online or textual) provided with the package.
      22                 :            :  * 
      23                 :            :  * Redistribution and use in source and binary forms, with or without
      24                 :            :  * modification, are permitted provided that the following conditions
      25                 :            :  * are met:
      26                 :            :  * 1. Redistributions of source code must retain the copyright
      27                 :            :  *    notice, this list of conditions and the following disclaimer.
      28                 :            :  * 2. Redistributions in binary form must reproduce the above copyright
      29                 :            :  *    notice, this list of conditions and the following disclaimer in the
      30                 :            :  *    documentation and/or other materials provided with the distribution.
      31                 :            :  * 3. All advertising materials mentioning features or use of this software
      32                 :            :  *    must display the following acknowledgement:
      33                 :            :  *    "This product includes cryptographic software written by
      34                 :            :  *     Eric Young (eay@cryptsoft.com)"
      35                 :            :  *    The word 'cryptographic' can be left out if the rouines from the library
      36                 :            :  *    being used are not cryptographic related :-).
      37                 :            :  * 4. If you include any Windows specific code (or a derivative thereof) from 
      38                 :            :  *    the apps directory (application code) you must include an acknowledgement:
      39                 :            :  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
      40                 :            :  * 
      41                 :            :  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
      42                 :            :  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
      43                 :            :  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
      44                 :            :  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
      45                 :            :  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
      46                 :            :  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
      47                 :            :  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
      48                 :            :  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
      49                 :            :  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
      50                 :            :  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
      51                 :            :  * SUCH DAMAGE.
      52                 :            :  * 
      53                 :            :  * The licence and distribution terms for any publically available version or
      54                 :            :  * derivative of this code cannot be changed.  i.e. this code cannot simply be
      55                 :            :  * copied and put under another distribution licence
      56                 :            :  * [including the GNU Public Licence.]
      57                 :            :  */
      58                 :            : 
      59                 :            : #include <stdio.h>
      60                 :            : #include "cryptlib.h"
      61                 :            : #include <openssl/asn1.h>
      62                 :            : 
      63                 :            : #ifndef NO_OLD_ASN1
      64                 :            : 
      65                 :          3 : void *ASN1_dup(i2d_of_void *i2d, d2i_of_void *d2i, void *x)
      66                 :            :         {
      67                 :            :         unsigned char *b,*p;
      68                 :            :         const unsigned char *p2;
      69                 :            :         int i;
      70                 :            :         char *ret;
      71                 :            : 
      72         [ +  - ]:          3 :         if (x == NULL) return(NULL);
      73                 :            : 
      74                 :          3 :         i=i2d(x,NULL);
      75                 :          3 :         b=OPENSSL_malloc(i+10);
      76         [ -  + ]:          3 :         if (b == NULL)
      77                 :          0 :                 { ASN1err(ASN1_F_ASN1_DUP,ERR_R_MALLOC_FAILURE); return(NULL); }
      78                 :          3 :         p= b;
      79                 :          3 :         i=i2d(x,&p);
      80                 :          3 :         p2= b;
      81                 :          3 :         ret=d2i(NULL,&p2,i);
      82                 :          3 :         OPENSSL_free(b);
      83                 :          3 :         return(ret);
      84                 :            :         }
      85                 :            : 
      86                 :            : #endif
      87                 :            : 
      88                 :            : /* ASN1_ITEM version of dup: this follows the model above except we don't need
      89                 :            :  * to allocate the buffer. At some point this could be rewritten to directly dup
      90                 :            :  * the underlying structure instead of doing and encode and decode.
      91                 :            :  */
      92                 :            : 
      93                 :       1429 : void *ASN1_item_dup(const ASN1_ITEM *it, void *x)
      94                 :            :         {
      95                 :       1429 :         unsigned char *b = NULL;
      96                 :            :         const unsigned char *p;
      97                 :            :         long i;
      98                 :            :         void *ret;
      99                 :            : 
     100         [ +  - ]:       1429 :         if (x == NULL) return(NULL);
     101                 :            : 
     102                 :       1429 :         i=ASN1_item_i2d(x,&b,it);
     103         [ -  + ]:       1429 :         if (b == NULL)
     104                 :          0 :                 { ASN1err(ASN1_F_ASN1_ITEM_DUP,ERR_R_MALLOC_FAILURE); return(NULL); }
     105                 :       1429 :         p= b;
     106                 :       1429 :         ret=ASN1_item_d2i(NULL,&p,i, it);
     107                 :       1429 :         OPENSSL_free(b);
     108                 :       1429 :         return(ret);
     109                 :            :         }

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