[thirdparty/strongswan.git] / src / libstrongswan / library.c

/*
 * Copyright (C) 2009-2016 Tobias Brunner
 * Copyright (C) 2008 Martin Willi
 * Hochschule fuer Technik Rapperswil
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
 *
 * This program is distributed in the hope that it will be useful, but
 * 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.
 */

#include "library.h"

#include <stdlib.h>

#include <utils/debug.h>
#include <threading/thread.h>
#include <utils/identification.h>
#include <networking/host.h>
#include <collections/array.h>
#include <collections/hashtable.h>
#include <utils/backtrace.h>
#include <selectors/traffic_selector.h>

#define CHECKSUM_LIBRARY IPSEC_LIB_DIR"/libchecksum.so"

#ifndef STRONGSWAN_CONF
#define STRONGSWAN_CONF NULL
#endif

typedef struct private_library_t private_library_t;

/**
 * private data of library
 */
struct private_library_t {

	/**
	 * public functions
	 */
	library_t public;

	/**
	 * Hashtable with registered objects (name => object)
	 */
	hashtable_t *objects;

	/**
	 * Integrity check failed?
	 */
	bool integrity_failed;

#ifdef LEAK_DETECTIVE
	/**
	 * Where to write leak detective output to
	 */
	FILE *ld_out;
#endif

	/**
	 * Number of times we have been initialized
	 */
	refcount_t ref;
};

#define MAX_NAMESPACES 5

/**
 * Additional namespaces registered using __atrribute__((constructor))
 */
static char *namespaces[MAX_NAMESPACES];
static int ns_count;

/**
 * Described in header
 */
void library_add_namespace(char *ns)
{
	if (ns_count < MAX_NAMESPACES - 1)
	{
		namespaces[ns_count] = ns;
		ns_count++;
	}
	else
	{
		fprintf(stderr, "failed to register additional namespace alias, please "
				"increase MAX_NAMESPACES");
	}
}

/**
 * Register plugins if built statically
 */
#ifdef STATIC_PLUGIN_CONSTRUCTORS
#include "plugin_constructors.c"
#endif

/**
 * library instance
 */
library_t *lib = NULL;

#ifdef LEAK_DETECTIVE
/**
 * Default leak report callback
 */
CALLBACK(report_leaks, void,
	private_library_t *this, int count, size_t bytes, backtrace_t *bt,
	bool detailed)
{
	fprintf(this->ld_out, "%zu bytes total, %d allocations, %zu bytes average:\n",
			bytes, count, bytes / count);
	bt->log(bt, this->ld_out, detailed);
}

/**
 * Default leak report summary callback
 */
CALLBACK(sum_leaks, void,
	private_library_t *this, int count, size_t bytes, int whitelisted)
{
	switch (count)
	{
		case 0:
			fprintf(this->ld_out, "No leaks detected");
			break;
		case 1:
			fprintf(this->ld_out, "One leak detected");
			break;
		default:
			fprintf(this->ld_out, "%d leaks detected, %zu bytes", count, bytes);
			break;
	}
	fprintf(this->ld_out, ", %d suppressed by whitelist\n", whitelisted);
}
#endif /* LEAK_DETECTIVE */

/**
 * Deinitialize library
 */
void library_deinit()
{
	private_library_t *this = (private_library_t*)lib;
	bool detailed;

	if (!this || !ref_put(&this->ref))
	{	/* have more users */
		return;
	}

	detailed = lib->settings->get_bool(lib->settings,
								"%s.leak_detective.detailed", TRUE, lib->ns);

	/* make sure the cache is clear before unloading plugins */
	lib->credmgr->flush_cache(lib->credmgr, CERT_ANY);

	this->public.streams->destroy(this->public.streams);
	this->public.watcher->destroy(this->public.watcher);
	this->public.scheduler->destroy(this->public.scheduler);
	this->public.processor->destroy(this->public.processor);
	this->public.plugins->destroy(this->public.plugins);
	this->public.hosts->destroy(this->public.hosts);
	this->public.settings->destroy(this->public.settings);
	this->public.credmgr->destroy(this->public.credmgr);
	this->public.creds->destroy(this->public.creds);
	this->public.encoding->destroy(this->public.encoding);
	this->public.crypto->destroy(this->public.crypto);
	this->public.caps->destroy(this->public.caps);
	this->public.proposal->destroy(this->public.proposal);
	this->public.fetcher->destroy(this->public.fetcher);
	this->public.resolver->destroy(this->public.resolver);
	this->public.db->destroy(this->public.db);
	this->public.printf_hook->destroy(this->public.printf_hook);
	this->objects->destroy(this->objects);
	if (this->public.integrity)
	{
		this->public.integrity->destroy(this->public.integrity);
	}

	if (lib->leak_detective)
	{
		lib->leak_detective->report(lib->leak_detective, detailed);
		lib->leak_detective->destroy(lib->leak_detective);
		lib->leak_detective = NULL;
	}
#ifdef LEAK_DETECTIVE
	if (this->ld_out && this->ld_out != stderr)
	{
		fclose(this->ld_out);
	}
#endif /* LEAK_DETECTIVE */

	backtrace_deinit();
	arrays_deinit();
	utils_deinit();
	threads_deinit();

	free(this->public.conf);
	free((void*)this->public.ns);
	free(this);
	lib = NULL;
}

METHOD(library_t, get, void*,
	private_library_t *this, char *name)
{
	return this->objects->get(this->objects, name);
}

METHOD(library_t, set, bool,
	private_library_t *this, char *name, void *object)
{
	if (object)
	{
		if (this->objects->get(this->objects, name))
		{
			return FALSE;
		}
		this->objects->put(this->objects, name, object);
		return TRUE;
	}
	return this->objects->remove(this->objects, name) != NULL;
}

/**
 * Hashtable hash function
 */
static u_int hash(char *key)
{
	return chunk_hash(chunk_create(key, strlen(key)));
}

/**
 * Hashtable equals function
 */
static bool equals(char *a, char *b)
{
	return streq(a, b);
}

/**
 * Number of words we write and memwipe() in memwipe check
 */
#define MEMWIPE_WIPE_WORDS 16

#ifndef NO_CHECK_MEMWIPE

/**
 * Write magic to memory, and try to clear it with memwipe()
 */
__attribute__((noinline))
static void do_magic(int *magic, int **out)
{
	int buf[MEMWIPE_WIPE_WORDS], i;

	*out = buf;
	for (i = 0; i < countof(buf); i++)
	{
		buf[i] = *magic;
	}
	/* passing buf to dbg should make sure the compiler can't optimize out buf.
	 * we use directly dbg(3), as DBG3() might be stripped with DEBUG_LEVEL. */
	dbg(DBG_LIB, 3, "memwipe() pre: %b", buf, sizeof(buf));
	memwipe(buf, sizeof(buf));
}

/**
 * Check if memwipe works as expected
 */
static bool check_memwipe()
{
	int magic = 0xCAFEBABE, *buf, i;

	do_magic(&magic, &buf);

	for (i = 0; i < MEMWIPE_WIPE_WORDS; i++)
	{
		if (buf[i] == magic)
		{
			DBG1(DBG_LIB, "memwipe() check failed: stackdir: %b",
				 buf, MEMWIPE_WIPE_WORDS * sizeof(int));
			return FALSE;
		}
	}
	return TRUE;
}

#endif

/*
 * see header file
 */
bool library_init(char *settings, const char *namespace)
{
	private_library_t *this;
	printf_hook_t *pfh;
	int i;

	if (lib)
	{	/* already initialized, increase refcount */
		this = (private_library_t*)lib;
		ref_get(&this->ref);
		return !this->integrity_failed;
	}

	chunk_hash_seed();

	INIT(this,
		.public = {
			.get = _get,
			.set = _set,
			.ns = strdup(namespace ?: "libstrongswan"),
			.conf = strdupnull(settings ?: (getenv("STRONGSWAN_CONF") ?: STRONGSWAN_CONF)),
		},
		.ref = 1,
	);
	lib = &this->public;

	threads_init();
	utils_init();
	arrays_init();
	backtrace_init();

#ifdef LEAK_DETECTIVE
	{
		FILE *out = NULL;
		char *log;

		log = getenv("LEAK_DETECTIVE_LOG");
		if (log)
		{
			out = fopen(log, "a");
		}
		this->ld_out = out ?: stderr;
	}
	lib->leak_detective = leak_detective_create();
	if (lib->leak_detective)
	{
		lib->leak_detective->set_report_cb(lib->leak_detective,
										   report_leaks, sum_leaks, this);
	}
#endif /* LEAK_DETECTIVE */

	pfh = printf_hook_create();
	this->public.printf_hook = pfh;

	pfh->add_handler(pfh, 'b', mem_printf_hook,
					 PRINTF_HOOK_ARGTYPE_POINTER, PRINTF_HOOK_ARGTYPE_INT,
					 PRINTF_HOOK_ARGTYPE_END);
	pfh->add_handler(pfh, 'B', chunk_printf_hook,
					 PRINTF_HOOK_ARGTYPE_POINTER, PRINTF_HOOK_ARGTYPE_END);
	pfh->add_handler(pfh, 'H', host_printf_hook,
					 PRINTF_HOOK_ARGTYPE_POINTER, PRINTF_HOOK_ARGTYPE_END);
	pfh->add_handler(pfh, 'N', enum_printf_hook,
					 PRINTF_HOOK_ARGTYPE_POINTER, PRINTF_HOOK_ARGTYPE_INT,
					 PRINTF_HOOK_ARGTYPE_END);
	pfh->add_handler(pfh, 'T', time_printf_hook,
					 PRINTF_HOOK_ARGTYPE_POINTER, PRINTF_HOOK_ARGTYPE_INT,
					 PRINTF_HOOK_ARGTYPE_END);
	pfh->add_handler(pfh, 'V', time_delta_printf_hook,
					 PRINTF_HOOK_ARGTYPE_POINTER, PRINTF_HOOK_ARGTYPE_POINTER,
					 PRINTF_HOOK_ARGTYPE_END);
	pfh->add_handler(pfh, 'Y', identification_printf_hook,
					 PRINTF_HOOK_ARGTYPE_POINTER, PRINTF_HOOK_ARGTYPE_END);
	pfh->add_handler(pfh, 'R', traffic_selector_printf_hook,
					 PRINTF_HOOK_ARGTYPE_POINTER, PRINTF_HOOK_ARGTYPE_END);

	this->objects = hashtable_create((hashtable_hash_t)hash,
									 (hashtable_equals_t)equals, 4);

	this->public.settings = settings_create(this->public.conf);
	/* add registered aliases */
	for (i = 0; i < ns_count; ++i)
	{
		lib->settings->add_fallback(lib->settings, lib->ns, namespaces[i]);
	}
	/* all namespace settings may fall back to libstrongswan */
	lib->settings->add_fallback(lib->settings, lib->ns, "libstrongswan");

	this->public.hosts = host_resolver_create();
	this->public.proposal = proposal_keywords_create();
	this->public.caps = capabilities_create();
	this->public.crypto = crypto_factory_create();
	this->public.creds = credential_factory_create();
	this->public.credmgr = credential_manager_create();
	this->public.encoding = cred_encoding_create();
	this->public.fetcher = fetcher_manager_create();
	this->public.resolver = resolver_manager_create();
	this->public.db = database_factory_create();
	this->public.processor = processor_create();
	this->public.scheduler = scheduler_create();
	this->public.watcher = watcher_create();
	this->public.streams = stream_manager_create();
	this->public.plugins = plugin_loader_create();

#ifndef NO_CHECK_MEMWIPE
	if (!check_memwipe())
	{
		return FALSE;
	}
#endif

	if (lib->settings->get_bool(lib->settings,
								"%s.integrity_test", FALSE, lib->ns))
	{
#ifdef INTEGRITY_TEST
		this->public.integrity = integrity_checker_create(CHECKSUM_LIBRARY);
		if (!lib->integrity->check(lib->integrity, "libstrongswan", library_init))
		{
			DBG1(DBG_LIB, "integrity check of libstrongswan failed");
			this->integrity_failed = TRUE;
		}
#else /* !INTEGRITY_TEST */
		DBG1(DBG_LIB, "integrity test enabled, but not supported");
		this->integrity_failed = TRUE;
#endif /* INTEGRITY_TEST */
	}

	diffie_hellman_init();

	return !this->integrity_failed;
}
Commit	Line	Data
6b3292da	1	/*
5c8dc908	2	* Copyright (C) 2009-2016 Tobias Brunner
552cc11b	3	* Copyright (C) 2008 Martin Willi
6b3292da MW	4	* Hochschule fuer Technik Rapperswil
	5	*
	6	* This program is free software; you can redistribute it and/or modify it
	7	* under the terms of the GNU General Public License as published by the
	8	* Free Software Foundation; either version 2 of the License, or (at your
	9	* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
	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 MERCHANTABILITY
	13	* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	14	* for more details.
	15	*/
	16
60356f33	17	#include "library.h"
6b3292da	18
552cc11b	19	#include <stdlib.h>
db7ef624	20
f05b4272	21	#include <utils/debug.h>
5493ffde MW	22	#include <threading/thread.h>
5493ffde MW	23	#include <utils/identification.h>
2e7cc07e	24	#include <networking/host.h>
b3613c49	25	#include <collections/array.h>
12642a68	26	#include <collections/hashtable.h>
4c6c9346	27	#include <utils/backtrace.h>
5493ffde	28	#include <selectors/traffic_selector.h>
db7ef624	29
60d62b9e	30	#define CHECKSUM_LIBRARY IPSEC_LIB_DIR"/libchecksum.so"
0179d468	31
9e783f6e MW	32	#ifndef STRONGSWAN_CONF
	33	#define STRONGSWAN_CONF NULL
	34	#endif
	35
552cc11b	36	typedef struct private_library_t private_library_t;
db7ef624	37
f27f6296	38	/**
552cc11b	39	* private data of library
f27f6296	40	*/
552cc11b	41	struct private_library_t {
f27f6296	42
552cc11b MW	43	/**
	44	* public functions
	45	*/
	46	library_t public;
2ce569cc MW	47
	48	/**
	49	* Hashtable with registered objects (name => object)
	50	*/
	51	hashtable_t *objects;
1e5e1fb6 MW	52
	53	/**
	54	* Integrity check failed?
	55	*/
	56	bool integrity_failed;
	57
4f1c6bc5 TB	58	#ifdef LEAK_DETECTIVE
	59	/**
	60	* Where to write leak detective output to
	61	*/
	62	FILE *ld_out;
	63	#endif
	64
1e5e1fb6 MW	65	/**
	66	* Number of times we have been initialized
	67	*/
	68	refcount_t ref;
552cc11b	69	};
60356f33	70
5c8dc908 TB	71	#define MAX_NAMESPACES 5
	72
	73	/**
	74	* Additional namespaces registered using __atrribute__((constructor))
	75	*/
	76	static char *namespaces[MAX_NAMESPACES];
	77	static int ns_count;
	78
	79	/**
	80	* Described in header
	81	*/
	82	void library_add_namespace(char *ns)
	83	{
	84	if (ns_count < MAX_NAMESPACES - 1)
	85	{
	86	namespaces[ns_count] = ns;
	87	ns_count++;
	88	}
	89	else
	90	{
	91	fprintf(stderr, "failed to register additional namespace alias, please "
	92	"increase MAX_NAMESPACES");
	93	}
	94	}
	95
4a0b6d65 TB	96	/**
	97	* Register plugins if built statically
	98	*/
	99	#ifdef STATIC_PLUGIN_CONSTRUCTORS
	100	#include "plugin_constructors.c"
	101	#endif
	102
db7ef624	103	/**
552cc11b	104	* library instance
db7ef624	105	*/
1e5e1fb6	106	library_t *lib = NULL;
db7ef624	107
a426851f MW	108	#ifdef LEAK_DETECTIVE
	109	/**
	110	* Default leak report callback
	111	*/
4f1c6bc5 TB	112	CALLBACK(report_leaks, void,
	113	private_library_t this, int count, size_t bytes, backtrace_t bt,
	114	bool detailed)
a426851f	115	{
4f1c6bc5	116	fprintf(this->ld_out, "%zu bytes total, %d allocations, %zu bytes average:\n",
a426851f	117	bytes, count, bytes / count);
4f1c6bc5	118	bt->log(bt, this->ld_out, detailed);
a426851f MW	119	}
	120
	121	/**
	122	* Default leak report summary callback
	123	*/
4f1c6bc5 TB	124	CALLBACK(sum_leaks, void,
4f1c6bc5 TB	125	private_library_t *this, int count, size_t bytes, int whitelisted)
a426851f MW	126	{
	127	switch (count)
	128	{
	129	case 0:
4f1c6bc5	130	fprintf(this->ld_out, "No leaks detected");
a426851f MW	131	break;
a426851f MW	132	case 1:
4f1c6bc5	133	fprintf(this->ld_out, "One leak detected");
a426851f MW	134	break;
a426851f MW	135	default:
4f1c6bc5	136	fprintf(this->ld_out, "%d leaks detected, %zu bytes", count, bytes);
a426851f MW	137	break;
a426851f MW	138	}
4f1c6bc5	139	fprintf(this->ld_out, ", %d suppressed by whitelist\n", whitelisted);
a426851f MW	140	}
	141	#endif /* LEAK_DETECTIVE */
	142
db7ef624	143	/**
2ce569cc	144	* Deinitialize library
db7ef624	145	*/
552cc11b	146	void library_deinit()
db7ef624	147	{
552cc11b	148	private_library_t this = (private_library_t)lib;
091d1780 MW	149	bool detailed;
091d1780 MW	150
1e5e1fb6 MW	151	if (!this \|\| !ref_put(&this->ref))
	152	{ /* have more users */
	153	return;
	154	}
	155
091d1780	156	detailed = lib->settings->get_bool(lib->settings,
8dc6e716	157	"%s.leak_detective.detailed", TRUE, lib->ns);
552cc11b	158
a5951a28 TB	159	/* make sure the cache is clear before unloading plugins */
	160	lib->credmgr->flush_cache(lib->credmgr, CERT_ANY);
	161
2ba27601	162	this->public.streams->destroy(this->public.streams);
32b2a5e0	163	this->public.watcher->destroy(this->public.watcher);
e18556e9 TB	164	this->public.scheduler->destroy(this->public.scheduler);
e18556e9 TB	165	this->public.processor->destroy(this->public.processor);
552cc11b	166	this->public.plugins->destroy(this->public.plugins);
292d8f41	167	this->public.hosts->destroy(this->public.hosts);
552cc11b	168	this->public.settings->destroy(this->public.settings);
2ccc02a4	169	this->public.credmgr->destroy(this->public.credmgr);
552cc11b	170	this->public.creds->destroy(this->public.creds);
d9b24887	171	this->public.encoding->destroy(this->public.encoding);
552cc11b	172	this->public.crypto->destroy(this->public.crypto);
a2eb5817	173	this->public.caps->destroy(this->public.caps);
4c57c630	174	this->public.proposal->destroy(this->public.proposal);
552cc11b	175	this->public.fetcher->destroy(this->public.fetcher);
b1505b34	176	this->public.resolver->destroy(this->public.resolver);
552cc11b MW	177	this->public.db->destroy(this->public.db);
552cc11b MW	178	this->public.printf_hook->destroy(this->public.printf_hook);
8fde0b66	179	this->objects->destroy(this->objects);
960e0c10 MW	180	if (this->public.integrity)
	181	{
	182	this->public.integrity->destroy(this->public.integrity);
	183	}
7daf5226	184
f37e8252	185	if (lib->leak_detective)
db7ef624	186	{
f37e8252 MW	187	lib->leak_detective->report(lib->leak_detective, detailed);
f37e8252 MW	188	lib->leak_detective->destroy(lib->leak_detective);
965e846c	189	lib->leak_detective = NULL;
db7ef624	190	}
e9e643b2	191	#ifdef LEAK_DETECTIVE
4f1c6bc5 TB	192	if (this->ld_out && this->ld_out != stderr)
	193	{
	194	fclose(this->ld_out);
	195	}
	196	#endif /* LEAK_DETECTIVE */
4a5a5dd2	197
4c6c9346	198	backtrace_deinit();
965e846c	199	arrays_deinit();
87a79e6a	200	utils_deinit();
965e846c	201	threads_deinit();
4a5a5dd2	202
9e783f6e	203	free(this->public.conf);
34d3bfcf	204	free((void*)this->public.ns);
552cc11b MW	205	free(this);
552cc11b MW	206	lib = NULL;
db7ef624 MW	207	}
db7ef624 MW	208
2ce569cc MW	209	METHOD(library_t, get, void*,
	210	private_library_t this, char name)
	211	{
	212	return this->objects->get(this->objects, name);
	213	}
	214
	215	METHOD(library_t, set, bool,
	216	private_library_t this, char name, void *object)
	217	{
	218	if (object)
	219	{
	220	if (this->objects->get(this->objects, name))
	221	{
	222	return FALSE;
	223	}
	224	this->objects->put(this->objects, name, object);
	225	return TRUE;
	226	}
	227	return this->objects->remove(this->objects, name) != NULL;
	228	}
	229
	230	/**
	231	* Hashtable hash function
	232	*/
	233	static u_int hash(char *key)
	234	{
	235	return chunk_hash(chunk_create(key, strlen(key)));
	236	}
	237
	238	/**
	239	* Hashtable equals function
	240	*/
	241	static bool equals(char a, char b)
	242	{
	243	return streq(a, b);
	244	}
	245
1657b4ef MW	246	/**
	247	* Number of words we write and memwipe() in memwipe check
	248	*/
	249	#define MEMWIPE_WIPE_WORDS 16
	250
98b55c8b TB	251	#ifndef NO_CHECK_MEMWIPE
98b55c8b TB	252
e6ba688a MW	253	/**
	254	* Write magic to memory, and try to clear it with memwipe()
	255	*/
	256	__attribute__((noinline))
bc1c92c9	257	static void do_magic(int magic, int *out)
e6ba688a	258	{
1657b4ef	259	int buf[MEMWIPE_WIPE_WORDS], i;
e6ba688a	260
bc1c92c9	261	*out = buf;
e6ba688a MW	262	for (i = 0; i < countof(buf); i++)
e6ba688a MW	263	{
9312fbc7	264	buf[i] = *magic;
e6ba688a MW	265	}
	266	/* passing buf to dbg should make sure the compiler can't optimize out buf.
	267	* we use directly dbg(3), as DBG3() might be stripped with DEBUG_LEVEL. */
	268	dbg(DBG_LIB, 3, "memwipe() pre: %b", buf, sizeof(buf));
	269	memwipe(buf, sizeof(buf));
	270	}
	271
	272	/**
	273	* Check if memwipe works as expected
	274	*/
	275	static bool check_memwipe()
	276	{
bc1c92c9	277	int magic = 0xCAFEBABE, *buf, i;
e6ba688a	278
bc1c92c9	279	do_magic(&magic, &buf);
e6ba688a	280
bc1c92c9	281	for (i = 0; i < MEMWIPE_WIPE_WORDS; i++)
e6ba688a	282	{
bc1c92c9	283	if (buf[i] == magic)
e6ba688a	284	{
bc1c92c9 MW	285	DBG1(DBG_LIB, "memwipe() check failed: stackdir: %b",
bc1c92c9 MW	286	buf, MEMWIPE_WIPE_WORDS * sizeof(int));
e6ba688a MW	287	return FALSE;
	288	}
	289	}
	290	return TRUE;
	291	}
	292
98b55c8b TB	293	#endif
98b55c8b TB	294
552cc11b MW	295	/*
552cc11b MW	296	* see header file
db7ef624	297	*/
34d3bfcf	298	bool library_init(char settings, const char namespace)
db7ef624	299	{
2ce569cc	300	private_library_t *this;
552cc11b	301	printf_hook_t *pfh;
5c8dc908	302	int i;
2ce569cc	303
1e5e1fb6 MW	304	if (lib)
	305	{ /* already initialized, increase refcount */
	306	this = (private_library_t*)lib;
	307	ref_get(&this->ref);
	308	return !this->integrity_failed;
	309	}
	310
460adb5d	311	chunk_hash_seed();
c46cee6f	312
2ce569cc MW	313	INIT(this,
	314	.public = {
	315	.get = _get,
	316	.set = _set,
34d3bfcf	317	.ns = strdup(namespace ?: "libstrongswan"),
5fea4550	318	.conf = strdupnull(settings ?: (getenv("STRONGSWAN_CONF") ?: STRONGSWAN_CONF)),
2ce569cc	319	},
1e5e1fb6	320	.ref = 1,
2ce569cc	321	);
552cc11b	322	lib = &this->public;
7daf5226	323
4a5a5dd2	324	threads_init();
965e846c	325	utils_init();
b3613c49	326	arrays_init();
965e846c	327	backtrace_init();
4a5a5dd2	328
552cc11b	329	#ifdef LEAK_DETECTIVE
4f1c6bc5 TB	330	{
	331	FILE *out = NULL;
	332	char *log;
	333
	334	log = getenv("LEAK_DETECTIVE_LOG");
	335	if (log)
	336	{
	337	out = fopen(log, "a");
	338	}
	339	this->ld_out = out ?: stderr;
	340	}
f37e8252	341	lib->leak_detective = leak_detective_create();
adc11574 TB	342	if (lib->leak_detective)
	343	{
	344	lib->leak_detective->set_report_cb(lib->leak_detective,
4f1c6bc5	345	report_leaks, sum_leaks, this);
adc11574	346	}
552cc11b	347	#endif /* LEAK_DETECTIVE */
2f5914a3	348
552cc11b MW	349	pfh = printf_hook_create();
552cc11b MW	350	this->public.printf_hook = pfh;
7daf5226	351
d25ce370 TB	352	pfh->add_handler(pfh, 'b', mem_printf_hook,
	353	PRINTF_HOOK_ARGTYPE_POINTER, PRINTF_HOOK_ARGTYPE_INT,
	354	PRINTF_HOOK_ARGTYPE_END);
	355	pfh->add_handler(pfh, 'B', chunk_printf_hook,
	356	PRINTF_HOOK_ARGTYPE_POINTER, PRINTF_HOOK_ARGTYPE_END);
d25ce370 TB	357	pfh->add_handler(pfh, 'H', host_printf_hook,
	358	PRINTF_HOOK_ARGTYPE_POINTER, PRINTF_HOOK_ARGTYPE_END);
	359	pfh->add_handler(pfh, 'N', enum_printf_hook,
	360	PRINTF_HOOK_ARGTYPE_POINTER, PRINTF_HOOK_ARGTYPE_INT,
	361	PRINTF_HOOK_ARGTYPE_END);
	362	pfh->add_handler(pfh, 'T', time_printf_hook,
	363	PRINTF_HOOK_ARGTYPE_POINTER, PRINTF_HOOK_ARGTYPE_INT,
	364	PRINTF_HOOK_ARGTYPE_END);
	365	pfh->add_handler(pfh, 'V', time_delta_printf_hook,
	366	PRINTF_HOOK_ARGTYPE_POINTER, PRINTF_HOOK_ARGTYPE_POINTER,
	367	PRINTF_HOOK_ARGTYPE_END);
d24a74c5 TB	368	pfh->add_handler(pfh, 'Y', identification_printf_hook,
d24a74c5 TB	369	PRINTF_HOOK_ARGTYPE_POINTER, PRINTF_HOOK_ARGTYPE_END);
5493ffde MW	370	pfh->add_handler(pfh, 'R', traffic_selector_printf_hook,
5493ffde MW	371	PRINTF_HOOK_ARGTYPE_POINTER, PRINTF_HOOK_ARGTYPE_END);
7daf5226	372
2ce569cc MW	373	this->objects = hashtable_create((hashtable_hash_t)hash,
2ce569cc MW	374	(hashtable_equals_t)equals, 4);
4b670a20	375
9e783f6e	376	this->public.settings = settings_create(this->public.conf);
5c8dc908 TB	377	/* add registered aliases */
	378	for (i = 0; i < ns_count; ++i)
	379	{
	380	lib->settings->add_fallback(lib->settings, lib->ns, namespaces[i]);
	381	}
7a684aec TB	382	/* all namespace settings may fall back to libstrongswan */
	383	lib->settings->add_fallback(lib->settings, lib->ns, "libstrongswan");
	384
b4f6c39e	385	this->public.hosts = host_resolver_create();
4c57c630	386	this->public.proposal = proposal_keywords_create();
a2eb5817	387	this->public.caps = capabilities_create();
552cc11b MW	388	this->public.crypto = crypto_factory_create();
552cc11b MW	389	this->public.creds = credential_factory_create();
2ccc02a4	390	this->public.credmgr = credential_manager_create();
da9724e6	391	this->public.encoding = cred_encoding_create();
552cc11b	392	this->public.fetcher = fetcher_manager_create();
b1505b34	393	this->public.resolver = resolver_manager_create();
552cc11b	394	this->public.db = database_factory_create();
e18556e9 TB	395	this->public.processor = processor_create();
e18556e9 TB	396	this->public.scheduler = scheduler_create();
32b2a5e0	397	this->public.watcher = watcher_create();
2ba27601	398	this->public.streams = stream_manager_create();
552cc11b	399	this->public.plugins = plugin_loader_create();
7daf5226	400
98b55c8b	401	#ifndef NO_CHECK_MEMWIPE
e6ba688a MW	402	if (!check_memwipe())
e6ba688a MW	403	{
e6ba688a MW	404	return FALSE;
e6ba688a MW	405	}
98b55c8b	406	#endif
e6ba688a	407
960e0c10	408	if (lib->settings->get_bool(lib->settings,
8dc6e716	409	"%s.integrity_test", FALSE, lib->ns))
960e0c10	410	{
bef50875	411	#ifdef INTEGRITY_TEST
0179d468	412	this->public.integrity = integrity_checker_create(CHECKSUM_LIBRARY);
6a8c8815	413	if (!lib->integrity->check(lib->integrity, "libstrongswan", library_init))
059c479a	414	{
8b0e0910	415	DBG1(DBG_LIB, "integrity check of libstrongswan failed");
1e5e1fb6	416	this->integrity_failed = TRUE;
059c479a	417	}
bef50875	418	#else /* !INTEGRITY_TEST */
8b0e0910	419	DBG1(DBG_LIB, "integrity test enabled, but not supported");
1e5e1fb6	420	this->integrity_failed = TRUE;
bef50875	421	#endif /* INTEGRITY_TEST */
960e0c10	422	}
4c6c9346	423
46184b07 MW	424	diffie_hellman_init();
46184b07 MW	425
1e5e1fb6	426	return !this->integrity_failed;
db7ef624	427	}