LCOV - code coverage report
Current view: top level - builds/gnutls/coverage/gnutls-git/lib - file.c (source / functions) Hit Total Coverage
Test: GnuTLS-3.6.14 Code Coverage Lines: 13 17 76.5 %
Date: 2020-10-30 04:50:48 Functions: 2 2 100.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /*
       2             :  * Copyright (C) 2005-2015 Free Software Foundation, Inc.
       3             :  * Copyright (C) 2015 Nikos Mavrogiannopoulos, Inc.
       4             :  *
       5             :  * Author: Nikos Mavrogiannopoulos
       6             :  *
       7             :  * This file is part of GnuTLS.
       8             :  *
       9             :  * The GnuTLS is free software; you can redistribute it and/or
      10             :  * modify it under the terms of the GNU Lesser General Public License
      11             :  * as published by the Free Software Foundation; either version 2.1 of
      12             :  * the License, or (at your option) any later version.
      13             :  *
      14             :  * This library is distributed in the hope that it will be useful, but
      15             :  * WITHOUT ANY WARRANTY; without even the implied warranty of
      16             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      17             :  * Lesser General Public License for more details.
      18             :  *
      19             :  * You should have received a copy of the GNU Lesser General Public License
      20             :  * along with this program.  If not, see <https://www.gnu.org/licenses/>
      21             :  *
      22             :  */
      23             : 
      24             : #include "gnutls_int.h"
      25             : #include <file.h>
      26             : #include <read-file.h>
      27             : 
      28        3218 : int _gnutls_file_exists(const char *file)
      29             : {
      30        3218 :         FILE *fp;
      31             : 
      32        3218 :         fp = fopen(file, "re");
      33        3218 :         if (fp == NULL)
      34             :                 return -1;
      35             : 
      36        3218 :         fclose(fp);
      37        3218 :         return 0;
      38             : }
      39             : 
      40             : /**
      41             :  * gnutls_load_file:
      42             :  * @filename: the name of the file to load
      43             :  * @data: Where the file will be stored
      44             :  *
      45             :  * This function will load a file into a datum. The data are
      46             :  * zero terminated but the terminating null is not included in length.
      47             :  * The returned data are allocated using gnutls_malloc().
      48             :  *
      49             :  * Note that this function is not designed for reading sensitive materials,
      50             :  * such as private keys, on practical applications. When the reading fails
      51             :  * in the middle, the partially loaded content might remain on memory.
      52             :  *
      53             :  * Returns: On success, %GNUTLS_E_SUCCESS (0) is returned, otherwise
      54             :  *   an error code is returned.
      55             :  *
      56             :  * Since 3.1.0
      57             :  **/
      58        5745 : int gnutls_load_file(const char *filename, gnutls_datum_t * data)
      59             : {
      60        5745 :         size_t len;
      61             : 
      62        5745 :         data->data = (void *) read_file(filename, RF_BINARY, &len);
      63        5745 :         if (data->data == NULL)
      64             :                 return GNUTLS_E_FILE_ERROR;
      65             : 
      66        5740 :         if (malloc != gnutls_malloc) {
      67           0 :                 void *tmp = gnutls_malloc(len);
      68             : 
      69           0 :                 memcpy(tmp, data->data, len);
      70           0 :                 free(data->data);
      71           0 :                 data->data = tmp;
      72             :         }
      73             : 
      74        5740 :         data->size = len;
      75             : 
      76        5740 :         return 0;
      77             : }
      78             : 

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