diff options
Diffstat (limited to 'src/libstrongswan/library.c')
| -rw-r--r-- | src/libstrongswan/library.c | 222 |
1 files changed, 70 insertions, 152 deletions
diff --git a/src/libstrongswan/library.c b/src/libstrongswan/library.c index f66818bc2..cc3ee6bd6 100644 --- a/src/libstrongswan/library.c +++ b/src/libstrongswan/library.c @@ -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 @@ -19,175 +11,101 @@ * 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: library.c 3750 2008-04-04 11:38:16Z martin $ */ -#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> +#ifdef LEAK_DETECTIVE +#include <utils/leak_detective.h> +#endif -/** - * 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) - { - gmtime_r(time, &t); - } - else +#ifdef LEAK_DETECTIVE + if (this->detective) { - localtime_r(time, &t); + this->detective->destroy(this->detective); } - 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) { - char* unit = "second"; - time_t *arg1, *arg2; - time_t delta; + printf_hook_t *pfh; + private_library_t *this = malloc_thing(private_library_t); + lib = &this->public; - arg1 = *((time_t**)(args[0])); - if (info->alt) - { - arg2 = *((time_t**)(args[1])); - delta = abs(*arg1 - *arg2); - } - else - { - delta = *arg1; - } +#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_alt_ptr_ptr); -} |