LCOV - code coverage report
Current view: top level - egg - egg-libgcrypt.c (source / functions) Hit Total Coverage
Test: Code coverage Lines: 14 22 63.6 %
Date: 2024-02-08 14:44:34 Functions: 3 6 50.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 6 8 75.0 %

           Branch data     Line data    Source code
       1                 :            : /* 
       2                 :            :  * gnome-keyring
       3                 :            :  * 
       4                 :            :  * Copyright (C) 2008 Stefan Walter
       5                 :            :  * 
       6                 :            :  * This program is free software; you can redistribute it and/or modify 
       7                 :            :  * it under the terms of the GNU Lesser General Public License as
       8                 :            :  * published by the Free Software Foundation; either version 2.1 of
       9                 :            :  * the License, or (at your option) any later version.
      10                 :            :  *  
      11                 :            :  * This program is distributed in the hope that it will be useful, but
      12                 :            :  * 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 along with this program; if not, write to the Free Software
      18                 :            :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
      19                 :            :  * MA 02110-1301 USA
      20                 :            :  *
      21                 :            :  * Author: Stef Walter <stefw@thewalter.net>
      22                 :            :  */
      23                 :            : 
      24                 :            : #include "config.h"
      25                 :            : 
      26                 :            : #include "egg-libgcrypt.h"
      27                 :            : #include "egg-secure-memory.h"
      28                 :            : 
      29                 :            : #include <glib.h>
      30                 :            : 
      31                 :            : #include <gcrypt.h>
      32                 :            : 
      33                 :            : #include <errno.h>
      34                 :            : 
      35                 :    1902637 : EGG_SECURE_DECLARE (libgcrypt);
      36                 :            : 
      37                 :            : static void
      38                 :          0 : log_handler (gpointer unused, int unknown, const gchar *msg, va_list va)
      39                 :            : {
      40                 :            :         /* TODO: Figure out additional arguments */
      41                 :          0 :         g_logv ("gcrypt", G_LOG_LEVEL_MESSAGE, msg, va);
      42                 :          0 : }
      43                 :            : 
      44                 :            : static int 
      45                 :          0 : no_mem_handler (gpointer unused, size_t sz, unsigned int unknown)
      46                 :            : {
      47                 :            :         /* TODO: Figure out additional arguments */
      48                 :          0 :         g_error ("couldn't allocate %lu bytes of memory", 
      49                 :            :                  (unsigned long int)sz);
      50                 :            :         return 0;
      51                 :            : }
      52                 :            : 
      53                 :            : static void
      54                 :          0 : fatal_handler (gpointer unused, int unknown, const gchar *msg)
      55                 :            : {
      56                 :            :         /* TODO: Figure out additional arguments */
      57                 :          0 :         g_log ("gcrypt", G_LOG_LEVEL_ERROR, "%s", msg);
      58                 :          0 : }
      59                 :            : 
      60                 :            : #if GCRYPT_VERSION_NUMBER < 0x010600
      61                 :            : GCRY_THREAD_OPTION_PTHREAD_IMPL;
      62                 :            : #endif
      63                 :            : 
      64                 :            : void
      65                 :         69 : egg_libgcrypt_initialize (void)
      66                 :            : {
      67                 :            :         static size_t gcrypt_initialized = 0;
      68                 :            :         unsigned seed;
      69                 :            : 
      70   [ +  +  +  -  :         69 :         if (g_once_init_enter (&gcrypt_initialized)) {
                   +  + ]
      71                 :            :                 
      72                 :            :                 /* Only initialize libgcrypt if it hasn't already been initialized */
      73         [ +  - ]:         23 :                 if (!gcry_control (GCRYCTL_INITIALIZATION_FINISHED_P)) {
      74                 :            : #if GCRYPT_VERSION_NUMBER < 0x010600
      75                 :            :                         gcry_control (GCRYCTL_SET_THREAD_CBS, &gcry_threads_pthread);
      76                 :            : #endif
      77                 :         23 :                         gcry_check_version (LIBGCRYPT_VERSION);
      78                 :         23 :                         gcry_set_log_handler (log_handler, NULL);
      79                 :         23 :                         gcry_set_outofcore_handler (no_mem_handler, NULL);
      80                 :         23 :                         gcry_set_fatalerror_handler (fatal_handler, NULL);
      81                 :         23 :                         gcry_set_allocation_handler ((gcry_handler_alloc_t)g_malloc, 
      82                 :            :                                                      (gcry_handler_alloc_t)egg_secure_alloc, 
      83                 :            :                                                      egg_secure_check, 
      84                 :            :                                                      (gcry_handler_realloc_t)egg_secure_realloc, 
      85                 :            :                                                      egg_secure_free);
      86                 :         23 :                         gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0);
      87                 :            :                 }
      88                 :            :                 
      89                 :         23 :                 gcry_create_nonce (&seed, sizeof (seed));
      90                 :         23 :                 srand (seed);
      91                 :            : 
      92                 :         23 :                 g_once_init_leave (&gcrypt_initialized, 1);
      93                 :            :         }
      94                 :         69 : }

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