src/libhydra/hydra.c

   1 /*
   2  * Copyright (C) 2010 Tobias Brunner
   3  * Hochschule fuer Technik Rapperswil
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License as published by the
   7  * Free Software Foundation; either version 2 of the License, or (at your
   8  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  12  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * for more details.
  14  */
  15
  16 #include "hydra.h"
  17
  18 #include <debug.h>
  19
  20 typedef struct private_hydra_t private_hydra_t;
  21
  22 /**
  23  * Private additions to hydra_t.
  24  */
  25 struct private_hydra_t {
  26
  27         /**
  28          * Public members of hydra_t.
  29          */
  30         hydra_t public;
  31 };
  32
  33 /**
  34  * Single instance of hydra_t.
  35  */
  36 hydra_t *hydra;
  37
  38 /**
  39  * Described in header.
  40  */
  41 void libhydra_deinit()
  42 {
  43         private_hydra_t *this = (private_hydra_t*)hydra;
  44         this->public.attributes->destroy(this->public.attributes);
  45         free((void*)this->public.daemon);
  46         free(this);
  47         hydra = NULL;
  48 }
  49
  50 /**
  51  * Described in header.
  52  */
  53 bool libhydra_init(const char *daemon)
  54 {
  55         private_hydra_t *this;
  56
  57         INIT(this,
  58                 .public = {
  59                         .attributes = attribute_manager_create(),
  60                         .daemon = strdup(daemon ?: "libhydra"),
  61                 },
  62         );
  63         hydra = &this->public;
  64
  65         if (lib->integrity &&
  66                 !lib->integrity->check(lib->integrity, "libhydra", libhydra_init))
  67         {
  68                 DBG1(DBG_LIB, "integrity check of libhydra failed");
  69                 return FALSE;
  70         }
  71         return TRUE;
  72 }
  73