LCOV - code coverage report
Current view: top level - asn1 - f_string.c (source / functions) Hit Total Coverage
Test: lcov_coverage_final.info Lines: 0 71 0.0 %
Date: 2014-08-02 Functions: 0 2 0.0 %
Branches: 0 58 0.0 %

           Branch data     Line data    Source code
       1                 :            : /* crypto/asn1/f_string.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/buffer.h>
      62                 :            : #include <openssl/asn1.h>
      63                 :            : 
      64                 :          0 : int i2a_ASN1_STRING(BIO *bp, ASN1_STRING *a, int type)
      65                 :            :         {
      66                 :          0 :         int i,n=0;
      67                 :            :         static const char *h="0123456789ABCDEF";
      68                 :            :         char buf[2];
      69                 :            : 
      70         [ #  # ]:          0 :         if (a == NULL) return(0);
      71                 :            : 
      72         [ #  # ]:          0 :         if (a->length == 0)
      73                 :            :                 {
      74         [ #  # ]:          0 :                 if (BIO_write(bp,"0",1) != 1) goto err;
      75                 :            :                 n=1;
      76                 :            :                 }
      77                 :            :         else
      78                 :            :                 {
      79         [ #  # ]:          0 :                 for (i=0; i<a->length; i++)
      80                 :            :                         {
      81 [ #  # ][ #  # ]:          0 :                         if ((i != 0) && (i%35 == 0))
      82                 :            :                                 {
      83         [ #  # ]:          0 :                                 if (BIO_write(bp,"\\\n",2) != 2) goto err;
      84                 :          0 :                                 n+=2;
      85                 :            :                                 }
      86                 :          0 :                         buf[0]=h[((unsigned char)a->data[i]>>4)&0x0f];
      87                 :          0 :                         buf[1]=h[((unsigned char)a->data[i]   )&0x0f];
      88         [ #  # ]:          0 :                         if (BIO_write(bp,buf,2) != 2) goto err;
      89                 :          0 :                         n+=2;
      90                 :            :                         }
      91                 :            :                 }
      92                 :          0 :         return(n);
      93                 :            : err:
      94                 :            :         return(-1);
      95                 :            :         }
      96                 :            : 
      97                 :          0 : int a2i_ASN1_STRING(BIO *bp, ASN1_STRING *bs, char *buf, int size)
      98                 :            :         {
      99                 :          0 :         int ret=0;
     100                 :            :         int i,j,k,m,n,again,bufsize;
     101                 :          0 :         unsigned char *s=NULL,*sp;
     102                 :            :         unsigned char *bufp;
     103                 :          0 :         int num=0,slen=0,first=1;
     104                 :            : 
     105                 :          0 :         bufsize=BIO_gets(bp,buf,size);
     106                 :            :         for (;;)
     107                 :            :                 {
     108         [ #  # ]:          0 :                 if (bufsize < 1)
     109                 :            :                         {
     110         [ #  # ]:          0 :                         if (first)
     111                 :            :                                 break;
     112                 :            :                         else
     113                 :            :                                 goto err_sl;
     114                 :            :                         }
     115                 :          0 :                 first=0;
     116                 :            : 
     117                 :          0 :                 i=bufsize;
     118         [ #  # ]:          0 :                 if (buf[i-1] == '\n') buf[--i]='\0';
     119         [ #  # ]:          0 :                 if (i == 0) goto err_sl;
     120         [ #  # ]:          0 :                 if (buf[i-1] == '\r') buf[--i]='\0';
     121         [ #  # ]:          0 :                 if (i == 0) goto err_sl;
     122                 :          0 :                 again=(buf[i-1] == '\\');
     123                 :            : 
     124         [ #  # ]:          0 :                 for (j=i-1; j>0; j--)
     125                 :            :                         {
     126                 :            : #ifndef CHARSET_EBCDIC
     127 [ #  # ][ #  # ]:          0 :                         if (!(  ((buf[j] >= '0') && (buf[j] <= '9')) ||
     128                 :            :                                 ((buf[j] >= 'a') && (buf[j] <= 'f')) ||
     129                 :          0 :                                 ((buf[j] >= 'A') && (buf[j] <= 'F'))))
     130                 :            : #else
     131                 :            :                         /* This #ifdef is not strictly necessary, since
     132                 :            :                          * the characters A...F a...f 0...9 are contiguous
     133                 :            :                          * (yes, even in EBCDIC - but not the whole alphabet).
     134                 :            :                          * Nevertheless, isxdigit() is faster.
     135                 :            :                          */
     136                 :            :                         if (!isxdigit(buf[j]))
     137                 :            : #endif
     138                 :            :                                 {
     139                 :            :                                 i=j;
     140                 :            :                                 break;
     141                 :            :                                 }
     142                 :            :                         }
     143                 :          0 :                 buf[i]='\0';
     144                 :            :                 /* We have now cleared all the crap off the end of the
     145                 :            :                  * line */
     146         [ #  # ]:          0 :                 if (i < 2) goto err_sl;
     147                 :            : 
     148                 :          0 :                 bufp=(unsigned char *)buf;
     149                 :            : 
     150                 :          0 :                 k=0;
     151                 :          0 :                 i-=again;
     152         [ #  # ]:          0 :                 if (i%2 != 0)
     153                 :            :                         {
     154                 :          0 :                         ASN1err(ASN1_F_A2I_ASN1_STRING,ASN1_R_ODD_NUMBER_OF_CHARS);
     155                 :          0 :                         goto err;
     156                 :            :                         }
     157                 :          0 :                 i/=2;
     158         [ #  # ]:          0 :                 if (num+i > slen)
     159                 :            :                         {
     160         [ #  # ]:          0 :                         if (s == NULL)
     161                 :          0 :                                 sp=(unsigned char *)OPENSSL_malloc(
     162                 :            :                                         (unsigned int)num+i*2);
     163                 :            :                         else
     164                 :          0 :                                 sp=(unsigned char *)OPENSSL_realloc(s,
     165                 :            :                                         (unsigned int)num+i*2);
     166         [ #  # ]:          0 :                         if (sp == NULL)
     167                 :            :                                 {
     168                 :          0 :                                 ASN1err(ASN1_F_A2I_ASN1_STRING,ERR_R_MALLOC_FAILURE);
     169         [ #  # ]:          0 :                                 if (s != NULL) OPENSSL_free(s);
     170                 :            :                                 goto err;
     171                 :            :                                 }
     172                 :          0 :                         s=sp;
     173                 :          0 :                         slen=num+i*2;
     174                 :            :                         }
     175         [ #  # ]:          0 :                 for (j=0; j<i; j++,k+=2)
     176                 :            :                         {
     177         [ #  # ]:          0 :                         for (n=0; n<2; n++)
     178                 :            :                                 {
     179                 :          0 :                                 m=bufp[k+n];
     180         [ #  # ]:          0 :                                 if ((m >= '0') && (m <= '9'))
     181                 :          0 :                                         m-='0';
     182         [ #  # ]:          0 :                                 else if ((m >= 'a') && (m <= 'f'))
     183                 :          0 :                                         m=m-'a'+10;
     184         [ #  # ]:          0 :                                 else if ((m >= 'A') && (m <= 'F'))
     185                 :          0 :                                         m=m-'A'+10;
     186                 :            :                                 else
     187                 :            :                                         {
     188                 :          0 :                                         ASN1err(ASN1_F_A2I_ASN1_STRING,ASN1_R_NON_HEX_CHARACTERS);
     189                 :          0 :                                         goto err;
     190                 :            :                                         }
     191                 :          0 :                                 s[num+j]<<=4;
     192                 :          0 :                                 s[num+j]|=m;
     193                 :            :                                 }
     194                 :            :                         }
     195                 :          0 :                 num+=i;
     196         [ #  # ]:          0 :                 if (again)
     197                 :          0 :                         bufsize=BIO_gets(bp,buf,size);
     198                 :            :                 else
     199                 :            :                         break;
     200                 :          0 :                 }
     201                 :          0 :         bs->length=num;
     202                 :          0 :         bs->data=s;
     203                 :          0 :         ret=1;
     204                 :            : err:
     205                 :            :         if (0)
     206                 :            :                 {
     207                 :            : err_sl:
     208                 :          0 :                 ASN1err(ASN1_F_A2I_ASN1_STRING,ASN1_R_SHORT_LINE);
     209                 :            :                 }
     210                 :          0 :         return(ret);
     211                 :            :         }
     212                 :            : 

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