The introduced SHA1_NOFINAL hasher was not sufficient for EAP-AKA,
[strongswan.git] / src / libstrongswan / library.c
index 9f96d11..e265a1a 100644 (file)
@@ -1,13 +1,5 @@
-/**
- * @file library.c
- *
- * @brief Helper functions and definitions.
- *
- */
-
 /*
- * Copyright (C) 2005-2006 Martin Willi
- * Copyright (C) 2005 Jan Hutter
+ * Copyright (C) 2008 Martin Willi
  * Hochschule fuer Technik Rapperswil
  *
  * This program is free software; you can redistribute it and/or modify it
  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * for more details.
+ *
+ * $Id$
  */
 
-#include <string.h>
-#include <time.h>
-#include <stdio.h>
-#include <stdarg.h>
-#include <pthread.h>
-
 #include "library.h"
 
-#include <printf_hook.h>
+#include <stdlib.h>
 
-ENUM(status_names, SUCCESS, DESTROY_ME,
-       "SUCCESS",
-       "FAILED",
-       "OUT_OF_RES",
-       "ALREADY_DONE",
-       "NOT_SUPPORTED",
-       "INVALID_ARG",
-       "NOT_FOUND",
-       "PARSE_ERROR",
-       "VERIFY_ERROR",
-       "INVALID_STATE",
-       "DESTROY_ME",
-       "NEED_MORE",
-);
+#include <utils.h>
+#include <chunk.h>
+#include <utils/identification.h>
+#include <utils/host.h>
+#include <utils/leak_detective.h>
 
-/**
- * Described in header.
- */
-void *clalloc(void * pointer, size_t size)
-{
-       void *data;
-       data = malloc(size);
-       
-       memcpy(data, pointer,size);
-       
-       return (data);
-}
+typedef struct private_library_t private_library_t;
 
 /**
- * Described in header.
+ * private data of library
  */
-void memxor(u_int8_t dest[], u_int8_t src[], size_t n)
-{
-       size_t i;
-       for (i = 0; i < n; i++)
-       {
-               dest[i] ^= src[i];
-       }
-}
+struct private_library_t {
 
-/**
- * We use a single mutex for all refcount variables. This
- * is not optimal for performance, but the critical section
- * is not that long...
- * TODO: Consider to include a mutex in each refcount_t variable.
- */
-static pthread_mutex_t ref_mutex = PTHREAD_MUTEX_INITIALIZER;
+       /**
+        * public functions
+        */
+       library_t public;
 
-/**
- * Described in header.
- * 
- * TODO: May be implemented with atomic CPU instructions
- * instead of a mutex.
- */
-void ref_get(refcount_t *ref)
-{
-       pthread_mutex_lock(&ref_mutex);
-       (*ref)++;
-       pthread_mutex_unlock(&ref_mutex);
-}
+#ifdef LEAK_DETECTIVE
+       /**
+        * Memory leak detective, if enabled
+        */
+       leak_detective_t *detective;
+#endif /* LEAK_DETECTIVE */
+};
 
 /**
- * Described in header.
- * 
- * TODO: May be implemented with atomic CPU instructions
- * instead of a mutex.
+ * library instance
  */
-bool ref_put(refcount_t *ref)
-{
-       bool more_refs;
-       
-       pthread_mutex_lock(&ref_mutex);
-       more_refs = --(*ref);
-       pthread_mutex_unlock(&ref_mutex);
-       return !more_refs;
-}
+library_t *lib;
 
 /**
- * output handler in printf() for time_t
+ * Implementation of library_t.destroy
  */
-static int print_time(FILE *stream, const struct printf_info *info,
-                                         const void *const *args)
+void library_deinit()
 {
-       static const char* months[] = {
-               "Jan", "Feb", "Mar", "Apr", "May", "Jun",
-               "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
-       };
-       time_t *time = *((time_t**)(args[0]));
-       bool utc = TRUE;
-       struct tm t;
+       private_library_t *this = (private_library_t*)lib;
+
+       this->public.plugins->destroy(this->public.plugins);
+       this->public.settings->destroy(this->public.settings);
+       this->public.creds->destroy(this->public.creds);
+       this->public.crypto->destroy(this->public.crypto);
+       this->public.fetcher->destroy(this->public.fetcher);
+       this->public.db->destroy(this->public.db);
+       this->public.printf_hook->destroy(this->public.printf_hook);
        
-       if (info->alt)
-       {
-               utc = *((bool*)(args[1]));
-       }
-       if (time == UNDEFINED_TIME)
-       {
-               return fprintf(stream, "--- -- --:--:--%s----",
-                                          info->alt ? " UTC " : " ");
-       }
-       if (utc)
+#ifdef LEAK_DETECTIVE
+       if (this->detective)
        {
-               gmtime_r(time, &t);
+               this->detective->destroy(this->detective);
        }
-       else
-       {
-               localtime_r(time, &t);
-       }
-       return fprintf(stream, "%s %02d %02d:%02d:%02d%s%04d",
-                                  months[t.tm_mon], t.tm_mday, t.tm_hour, t.tm_min,
-                                  t.tm_sec, utc ? " UTC " : " ", t.tm_year + 1900);
+#endif /* LEAK_DETECTIVE */
+       free(this);
+       lib = NULL;
 }
 
-/**
- * output handler in printf() for time deltas
+/*
+ * see header file
  */
-static int print_time_delta(FILE *stream, const struct printf_info *info,
-                                                       const void *const *args)
+void library_init(char *settings)
 {
-       time_t *start = *((time_t**)(args[0]));
-       time_t *end   = *((time_t**)(args[1]));
-       u_int delta   = abs(*end - *start);
-
-       char* unit = "second";
+       printf_hook_t *pfh;
+       private_library_t *this = malloc_thing(private_library_t);
+       lib = &this->public;
+       
+#ifdef LEAK_DETECTIVE
+       this->detective = leak_detective_create();
+#endif /* LEAK_DETECTIVE */
 
-       if (delta > 2 * 60 * 60 * 24)
-       {
-               delta /= 60 * 60 * 24;
-               unit = "day";
-       }
-       else if (delta > 2 * 60 * 60)
-       {
-               delta /= 60 * 60;
-               unit = "hour";
-       }
-       else if (delta > 2 * 60)
-       {
-               delta /= 60;
-               unit = "minute";
-       }
-       return fprintf(stream, "%d %s%s", delta, unit, (delta == 1)? "":"s");
+       pfh = printf_hook_create();
+       this->public.printf_hook = pfh;
+       
+       pfh->add_handler(pfh, 'b', mem_get_printf_hooks());
+       pfh->add_handler(pfh, 'B', chunk_get_printf_hooks());
+       pfh->add_handler(pfh, 'D', identification_get_printf_hooks());
+       pfh->add_handler(pfh, 'H', host_get_printf_hooks());
+       pfh->add_handler(pfh, 'N', enum_get_printf_hooks());
+       pfh->add_handler(pfh, 'T', time_get_printf_hooks());
+       pfh->add_handler(pfh, 'V', time_delta_get_printf_hooks());
+       
+       this->public.crypto = crypto_factory_create();
+       this->public.creds = credential_factory_create();
+       this->public.fetcher = fetcher_manager_create();
+       this->public.db = database_factory_create();
+       this->public.settings = settings_create(settings);
+       this->public.plugins = plugin_loader_create();
 }
 
-/**
- * register printf() handlers for time_t
- */
-static void __attribute__ ((constructor))print_register()
-{
-       register_printf_function(PRINTF_TIME, print_time, arginfo_ptr_alt_ptr_int);
-       register_printf_function(PRINTF_TIME_DELTA, print_time_delta, arginfo_ptr_ptr);
-}