LCOV - code coverage report
Current view: top level - lib/src - saslprep.c (source / functions) Hit Total Coverage
Test: GNU SASL Lines: 7 15 46.7 %
Date: 2012-05-28 Functions: 1 1 100.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 5 10 50.0 %

           Branch data     Line data    Source code
       1                 :            : /* saslprep.c --- Internationalized SASL string processing.
       2                 :            :  * Copyright (C) 2002-2012 Simon Josefsson
       3                 :            :  *
       4                 :            :  * This file is part of GNU SASL Library.
       5                 :            :  *
       6                 :            :  * GNU SASL Library is free software; you can redistribute it and/or
       7                 :            :  * modify it under the terms of the GNU Lesser General Public License
       8                 :            :  * as published by the Free Software Foundation; either version 2.1 of
       9                 :            :  * the License, or (at your option) any later version.
      10                 :            :  *
      11                 :            :  * GNU SASL Library is distributed in the hope that it will be useful,
      12                 :            :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      13                 :            :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14                 :            :  * Lesser General Public License for more details.
      15                 :            :  *
      16                 :            :  * You should have received a copy of the GNU Lesser General Public
      17                 :            :  * License License along with GNU SASL Library; if not, write to the
      18                 :            :  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
      19                 :            :  * Boston, MA 02110-1301, USA.
      20                 :            :  *
      21                 :            :  */
      22                 :            : 
      23                 :            : #include "internal.h"
      24                 :            : 
      25                 :            : #if HAVE_LIBIDN
      26                 :            : #include <stringprep.h>
      27                 :            : #if defined HAVE_PR29_H && defined HAVE_PR29_8Z
      28                 :            : #include <pr29.h>
      29                 :            : #endif
      30                 :            : #endif
      31                 :            : 
      32                 :            : /**
      33                 :            :  * gsasl_saslprep:
      34                 :            :  * @in: a UTF-8 encoded string.
      35                 :            :  * @flags: any SASLprep flag, e.g., %GSASL_ALLOW_UNASSIGNED.
      36                 :            :  * @out: on exit, contains newly allocated output string.
      37                 :            :  * @stringpreprc: if non-NULL, will hold precise stringprep return code.
      38                 :            :  *
      39                 :            :  * Prepare string using SASLprep.  On success, the @out variable must
      40                 :            :  * be deallocated by the caller.
      41                 :            :  *
      42                 :            :  * Return value: Returns %GSASL_OK on success, or
      43                 :            :  * %GSASL_SASLPREP_ERROR on error.
      44                 :            :  *
      45                 :            :  * Since: 0.2.3
      46                 :            :  **/
      47                 :            : int
      48                 :        208 : gsasl_saslprep (const char *in, Gsasl_saslprep_flags flags,
      49                 :            :                 char **out, int *stringpreprc)
      50                 :            : {
      51                 :            : #if HAVE_LIBIDN
      52                 :            :   int rc;
      53                 :            : 
      54         [ +  + ]:        208 :   rc = stringprep_profile (in, out, "SASLprep",
      55                 :            :                            (flags & GSASL_ALLOW_UNASSIGNED)
      56                 :        208 :                            ? STRINGPREP_NO_UNASSIGNED : 0);
      57                 :            : 
      58         [ -  + ]:        208 :   if (stringpreprc)
      59                 :          0 :     *stringpreprc = rc;
      60                 :            : 
      61         [ -  + ]:        208 :   if (rc != STRINGPREP_OK)
      62                 :            :     {
      63                 :          0 :       *out = NULL;
      64                 :          0 :       return GSASL_SASLPREP_ERROR;
      65                 :            :     }
      66                 :            : 
      67                 :            : #if defined HAVE_PR29_8Z && defined HAVE_PR29_H
      68         [ -  + ]:        208 :   if (pr29_8z (*out) != PR29_SUCCESS)
      69                 :            :     {
      70                 :          0 :       free (*out);
      71                 :          0 :       *out = NULL;
      72         [ #  # ]:          0 :       if (stringpreprc)
      73                 :          0 :         *stringpreprc = STRINGPREP_NFKC_FAILED;
      74                 :            : 
      75                 :          0 :       return GSASL_SASLPREP_ERROR;
      76                 :            :     }
      77                 :            : #endif
      78                 :            : 
      79                 :            : #else
      80                 :            :   size_t i, inlen = strlen (in);
      81                 :            : 
      82                 :            :   for (i = 0; i < inlen; i++)
      83                 :            :     if (in[i] & 0x80)
      84                 :            :       {
      85                 :            :         *out = NULL;
      86                 :            :         return GSASL_SASLPREP_ERROR;
      87                 :            :       }
      88                 :            : 
      89                 :            :   *out = malloc (inlen + 1);
      90                 :            :   if (!*out)
      91                 :            :     return GSASL_MALLOC_ERROR;
      92                 :            :   strcpy (*out, in);
      93                 :            : #endif
      94                 :            : 
      95                 :        208 :   return GSASL_OK;
      96                 :            : }

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