[svn-upgrade] Integrating new upstream version, strongswan (4.4.0)

1 files changed, 1230 insertions, 0 deletions

diff --git a/src/libcharon/plugins/stroke/stroke_list.c b/src/libcharon/plugins/stroke/stroke_list.c
new file mode 100644
index 000000000..c2a98da33
--- /dev/null
+++ b/src/libcharon/plugins/stroke/stroke_list.c
@@ -0,0 +1,1230 @@
+/*
+ * 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 "stroke_list.h"
+
+#include <time.h>
+
+#include <daemon.h>
+#include <utils/linked_list.h>
+#include <credentials/certificates/x509.h>
+#include <credentials/certificates/ac.h>
+#include <credentials/certificates/crl.h>
+#include <credentials/certificates/pgp_certificate.h>
+#include <credentials/ietf_attributes/ietf_attributes.h>
+#include <config/peer_cfg.h>
+
+/* warning intervals for list functions */
+#define CERT_WARNING_INTERVAL  30	/* days */
+#define CRL_WARNING_INTERVAL	7	/* days */
+#define AC_WARNING_INTERVAL		1	/* day */
+
+typedef struct private_stroke_list_t private_stroke_list_t;
+
+/**
+ * private data of stroke_list
+ */
+struct private_stroke_list_t {
+
+	/**
+	 * public functions
+	 */
+	stroke_list_t public;
+
+	/**
+	 * timestamp of daemon start
+	 */
+	time_t uptime;
+
+	/**
+	 * strokes attribute provider
+	 */
+	stroke_attribute_t *attribute;
+};
+
+/**
+ * log an IKE_SA to out
+ */
+static void log_ike_sa(FILE *out, ike_sa_t *ike_sa, bool all)
+{
+	ike_sa_id_t *id = ike_sa->get_id(ike_sa);
+	time_t now = time_monotonic(NULL);
+
+	fprintf(out, "%12s[%d]: %N",
+			ike_sa->get_name(ike_sa), ike_sa->get_unique_id(ike_sa),
+			ike_sa_state_names, ike_sa->get_state(ike_sa));
+
+	if (ike_sa->get_state(ike_sa) == IKE_ESTABLISHED)
+	{
+		time_t established;
+
+		established = ike_sa->get_statistic(ike_sa, STAT_ESTABLISHED);
+		fprintf(out, " %V ago", &now, &established);
+	}
+
+	fprintf(out, ", %H[%Y]...%H[%Y]\n",
+			ike_sa->get_my_host(ike_sa), ike_sa->get_my_id(ike_sa),
+			ike_sa->get_other_host(ike_sa), ike_sa->get_other_id(ike_sa));
+
+	if (all)
+	{
+		proposal_t *ike_proposal;
+
+		ike_proposal = ike_sa->get_proposal(ike_sa);
+
+		fprintf(out, "%12s[%d]: IKE SPIs: %.16llx_i%s %.16llx_r%s",
+				ike_sa->get_name(ike_sa), ike_sa->get_unique_id(ike_sa),
+				id->get_initiator_spi(id), id->is_initiator(id) ? "*" : "",
+				id->get_responder_spi(id), id->is_initiator(id) ? "" : "*");
+
+
+		if (ike_sa->get_state(ike_sa) == IKE_ESTABLISHED)
+		{
+			time_t rekey, reauth;
+			peer_cfg_t *peer_cfg;
+
+			rekey = ike_sa->get_statistic(ike_sa, STAT_REKEY);
+			reauth = ike_sa->get_statistic(ike_sa, STAT_REAUTH);
+			peer_cfg = ike_sa->get_peer_cfg(ike_sa);
+
+			if (rekey)
+			{
+				fprintf(out, ", rekeying in %V", &rekey, &now);
+			}
+			if (reauth)
+			{
+				bool first = TRUE;
+				enumerator_t *enumerator;
+				auth_cfg_t *auth;
+
+				fprintf(out, ", ");
+				enumerator = peer_cfg->create_auth_cfg_enumerator(peer_cfg, TRUE);
+				while (enumerator->enumerate(enumerator, &auth))
+				{
+					if (!first)
+					{
+						fprintf(out, "+");
+					}
+					first = FALSE;
+					fprintf(out, "%N", auth_class_names,
+							auth->get(auth, AUTH_RULE_AUTH_CLASS));
+				}
+				enumerator->destroy(enumerator);
+				fprintf(out, " reauthentication in %V", &reauth, &now);
+			}
+			if (!rekey && !reauth)
+			{
+				fprintf(out, ", rekeying disabled");
+			}
+		}
+		fprintf(out, "\n");
+
+		if (ike_proposal)
+		{
+			char buf[BUF_LEN];
+
+			snprintf(buf, BUF_LEN, "%P", ike_proposal);
+			fprintf(out, "%12s[%d]: IKE proposal: %s\n",
+					ike_sa->get_name(ike_sa), ike_sa->get_unique_id(ike_sa),
+					buf+4);
+		}
+	}
+}
+
+/**
+ * log an CHILD_SA to out
+ */
+static void log_child_sa(FILE *out, child_sa_t *child_sa, bool all)
+{
+	time_t use_in, use_out, rekey, now;
+	u_int64_t bytes_in, bytes_out;
+	proposal_t *proposal;
+	child_cfg_t *config = child_sa->get_config(child_sa);
+
+
+	fprintf(out, "%12s{%d}:  %N, %N%s",
+			child_sa->get_name(child_sa), child_sa->get_reqid(child_sa),
+			child_sa_state_names, child_sa->get_state(child_sa),
+			ipsec_mode_names, child_sa->get_mode(child_sa),
+			config->use_proxy_mode(config) ? "_PROXY" : "");
+
+	if (child_sa->get_state(child_sa) == CHILD_INSTALLED)
+	{
+		fprintf(out, ", %N%s SPIs: %.8x_i %.8x_o",
+				protocol_id_names, child_sa->get_protocol(child_sa),
+				child_sa->has_encap(child_sa) ? " in UDP" : "",
+				ntohl(child_sa->get_spi(child_sa, TRUE)),
+				ntohl(child_sa->get_spi(child_sa, FALSE)));
+
+		if (child_sa->get_ipcomp(child_sa) != IPCOMP_NONE)
+		{
+			fprintf(out, ", IPCOMP CPIs: %.4x_i %.4x_o",
+					ntohs(child_sa->get_cpi(child_sa, TRUE)),
+					ntohs(child_sa->get_cpi(child_sa, FALSE)));
+		}
+
+		if (all)
+		{
+			fprintf(out, "\n%12s{%d}:  ", child_sa->get_name(child_sa),
+					child_sa->get_reqid(child_sa));
+
+			proposal = child_sa->get_proposal(child_sa);
+			if (proposal)
+			{
+				u_int16_t encr_alg = ENCR_UNDEFINED, int_alg = AUTH_UNDEFINED;
+				u_int16_t encr_size = 0, int_size = 0;
+
+				proposal->get_algorithm(proposal, ENCRYPTION_ALGORITHM,
+										&encr_alg, &encr_size);
+				proposal->get_algorithm(proposal, INTEGRITY_ALGORITHM,
+										&int_alg, &int_size);
+
+				if (encr_alg != ENCR_UNDEFINED)
+				{
+					fprintf(out, "%N", encryption_algorithm_names, encr_alg);
+					if (encr_size)
+					{
+						fprintf(out, "_%u", encr_size);
+					}
+				}
+				if (int_alg != AUTH_UNDEFINED)
+				{
+					fprintf(out, "/%N", integrity_algorithm_names, int_alg);
+					if (int_size)
+					{
+						fprintf(out, "_%u", int_size);
+					}
+				}
+			}
+
+			now = time_monotonic(NULL);
+			child_sa->get_usestats(child_sa, TRUE, &use_in, &bytes_in);
+			fprintf(out, ", %llu bytes_i", bytes_in);
+			if (use_in)
+			{
+				fprintf(out, " (%ds ago)", now - use_in);
+			}
+
+			child_sa->get_usestats(child_sa, FALSE, &use_out, &bytes_out);
+			fprintf(out, ", %llu bytes_o", bytes_out);
+			if (use_out)
+			{
+				fprintf(out, " (%ds ago)", now - use_out);
+			}
+			fprintf(out, ", rekeying ");
+
+			rekey = child_sa->get_lifetime(child_sa, FALSE);
+			if (rekey)
+			{
+				if (now > rekey)
+				{
+					fprintf(out, "active");
+				}
+				else
+				{
+					fprintf(out, "in %V", &now, &rekey);
+				}
+			}
+			else
+			{
+				fprintf(out, "disabled");
+			}
+
+		}
+	}
+
+	fprintf(out, "\n%12s{%d}:   %#R=== %#R\n",
+			child_sa->get_name(child_sa), child_sa->get_reqid(child_sa),
+			child_sa->get_traffic_selectors(child_sa, TRUE),
+			child_sa->get_traffic_selectors(child_sa, FALSE));
+}
+
+/**
+ * Log a configs local or remote authentication config to out
+ */
+static void log_auth_cfgs(FILE *out, peer_cfg_t *peer_cfg, bool local)
+{
+	enumerator_t *enumerator, *rules;
+	auth_rule_t rule;
+	auth_cfg_t *auth;
+	auth_class_t auth_class;
+	identification_t *id;
+	certificate_t *cert;
+	cert_validation_t valid;
+	char *name;
+
+	name = peer_cfg->get_name(peer_cfg);
+
+	enumerator = peer_cfg->create_auth_cfg_enumerator(peer_cfg, local);
+	while (enumerator->enumerate(enumerator, &auth))
+	{
+		fprintf(out, "%12s:   %s [%Y] uses ", name,	local ? "local: " : "remote:",
+				auth->get(auth, AUTH_RULE_IDENTITY));
+
+		auth_class = (uintptr_t)auth->get(auth, AUTH_RULE_AUTH_CLASS);
+		if (auth_class != AUTH_CLASS_EAP)
+		{
+			fprintf(out, "%N authentication\n", auth_class_names, auth_class);
+		}
+		else
+		{
+			if ((uintptr_t)auth->get(auth, AUTH_RULE_EAP_TYPE) == EAP_NAK)
+			{
+				fprintf(out, "EAP authentication");
+			}
+			else
+			{
+				if ((uintptr_t)auth->get(auth, AUTH_RULE_EAP_VENDOR))
+				{
+					fprintf(out, "EAP_%d-%d authentication",
+						(uintptr_t)auth->get(auth, AUTH_RULE_EAP_TYPE),
+						(uintptr_t)auth->get(auth, AUTH_RULE_EAP_VENDOR));
+				}
+				else
+				{
+					fprintf(out, "%N authentication", eap_type_names,
+						(uintptr_t)auth->get(auth, AUTH_RULE_EAP_TYPE));
+				}
+			}
+			id = auth->get(auth, AUTH_RULE_EAP_IDENTITY);
+			if (id)
+			{
+				fprintf(out, " with EAP identity '%Y'", id);
+			}
+			fprintf(out, "\n");
+		}
+
+		cert = auth->get(auth, AUTH_RULE_CA_CERT);
+		if (cert)
+		{
+			fprintf(out, "%12s:    ca:    \"%Y\"\n", name, cert->get_subject(cert));
+		}
+
+		cert = auth->get(auth, AUTH_RULE_IM_CERT);
+		if (cert)
+		{
+			fprintf(out, "%12s:    im-ca: \"%Y\"\n", name, cert->get_subject(cert));
+		}
+
+		cert = auth->get(auth, AUTH_RULE_SUBJECT_CERT);
+		if (cert)
+		{
+			fprintf(out, "%12s:    cert:  \"%Y\"\n", name,
+					cert->get_subject(cert));
+		}
+
+		valid = (uintptr_t)auth->get(auth, AUTH_RULE_OCSP_VALIDATION);
+		if (valid != VALIDATION_FAILED)
+		{
+			fprintf(out, "%12s:    ocsp:  status must be GOOD%s\n", name,
+					(valid == VALIDATION_SKIPPED) ? " or SKIPPED" : "");
+		}
+
+		valid = (uintptr_t)auth->get(auth, AUTH_RULE_CRL_VALIDATION);
+		if (valid != VALIDATION_FAILED)
+		{
+			fprintf(out, "%12s:    crl:   status must be GOOD%s\n", name,
+					(valid == VALIDATION_SKIPPED) ? " or SKIPPED" : "");
+		}
+
+		rules = auth->create_enumerator(auth);
+		while (rules->enumerate(rules, &rule, &id))
+		{
+			if (rule == AUTH_RULE_AC_GROUP)
+			{
+				fprintf(out, "%12s:    group: %Y\n", name, id);
+			}
+		}
+		rules->destroy(rules);
+	}
+	enumerator->destroy(enumerator);
+}
+
+/**
+ * Implementation of stroke_list_t.status.
+ */
+static void status(private_stroke_list_t *this, stroke_msg_t *msg, FILE *out, bool all)
+{
+	enumerator_t *enumerator, *children;
+	ike_cfg_t *ike_cfg;
+	child_cfg_t *child_cfg;
+	child_sa_t *child_sa;
+	ike_sa_t *ike_sa;
+	bool first, found = FALSE;
+	char *name = msg->status.name;
+
+	if (all)
+	{
+		peer_cfg_t *peer_cfg;
+		char *plugin, *pool;
+		host_t *host;
+		u_int32_t dpd;
+		time_t since, now;
+		u_int size, online, offline;
+
+		now = time_monotonic(NULL);
+		since = time(NULL) - (now - this->uptime);
+
+		fprintf(out, "Status of IKEv2 charon daemon (strongSwan "VERSION"):\n");
+		fprintf(out, "  uptime: %V, since %T\n", &now, &this->uptime, &since, FALSE);
+		fprintf(out, "  worker threads: %d idle of %d,",
+				charon->processor->get_idle_threads(charon->processor),
+				charon->processor->get_total_threads(charon->processor));
+		fprintf(out, " job queue load: %d,",
+				charon->processor->get_job_load(charon->processor));
+		fprintf(out, " scheduled events: %d\n",
+				charon->scheduler->get_job_load(charon->scheduler));
+		fprintf(out, "  loaded plugins: ");
+		enumerator = lib->plugins->create_plugin_enumerator(lib->plugins);
+		while (enumerator->enumerate(enumerator, &plugin))
+		{
+			fprintf(out, "%s ", plugin);
+		}
+		enumerator->destroy(enumerator);
+		fprintf(out, "\n");
+
+		first = TRUE;
+		enumerator = this->attribute->create_pool_enumerator(this->attribute);
+		while (enumerator->enumerate(enumerator, &pool, &size, &online, &offline))
+		{
+			if (name && !streq(name, pool))
+			{
+				continue;
+			}
+			if (first)
+			{
+				first = FALSE;
+				fprintf(out, "Virtual IP pools (size/online/offline):\n");
+			}
+			fprintf(out, "  %s: %u/%u/%u\n", pool, size, online, offline);
+		}
+		enumerator->destroy(enumerator);
+
+		enumerator = charon->kernel_interface->create_address_enumerator(
+								charon->kernel_interface, FALSE, FALSE);
+		fprintf(out, "Listening IP addresses:\n");
+		while (enumerator->enumerate(enumerator, (void**)&host))
+		{
+			fprintf(out, "  %H\n", host);
+		}
+		enumerator->destroy(enumerator);
+
+		fprintf(out, "Connections:\n");
+		enumerator = charon->backends->create_peer_cfg_enumerator(
+									charon->backends, NULL, NULL, NULL, NULL);
+		while (enumerator->enumerate(enumerator, &peer_cfg))
+		{
+			if (peer_cfg->get_ike_version(peer_cfg) != 2 ||
+				(name && !streq(name, peer_cfg->get_name(peer_cfg))))
+			{
+				continue;
+			}
+
+			ike_cfg = peer_cfg->get_ike_cfg(peer_cfg);
+			fprintf(out, "%12s:  %s...%s", peer_cfg->get_name(peer_cfg),
+				ike_cfg->get_my_addr(ike_cfg), ike_cfg->get_other_addr(ike_cfg));
+
+			dpd = peer_cfg->get_dpd(peer_cfg);
+			if (dpd)
+			{
+				fprintf(out, ", dpddelay=%us", dpd);
+			}
+			fprintf(out, "\n");
+
+			log_auth_cfgs(out, peer_cfg, TRUE);
+			log_auth_cfgs(out, peer_cfg, FALSE);
+
+			children = peer_cfg->create_child_cfg_enumerator(peer_cfg);
+			while (children->enumerate(children, &child_cfg))
+			{
+				linked_list_t *my_ts, *other_ts;
+
+				my_ts = child_cfg->get_traffic_selectors(child_cfg, TRUE, NULL, NULL);
+				other_ts = child_cfg->get_traffic_selectors(child_cfg, FALSE, NULL, NULL);
+				fprintf(out, "%12s:   child:  %#R=== %#R", child_cfg->get_name(child_cfg),
+						my_ts, other_ts);
+				my_ts->destroy_offset(my_ts, offsetof(traffic_selector_t, destroy));
+				other_ts->destroy_offset(other_ts, offsetof(traffic_selector_t, destroy));
+
+				if (dpd)
+				{
+					fprintf(out, ", dpdaction=%N", action_names,
+							child_cfg->get_dpd_action(child_cfg));
+				}
+				fprintf(out, "\n");
+			}
+			children->destroy(children);
+		}
+		enumerator->destroy(enumerator);
+	}
+
+	first = TRUE;
+	enumerator = charon->traps->create_enumerator(charon->traps);
+	while (enumerator->enumerate(enumerator, NULL, &child_sa))
+	{
+		if (first)
+		{
+			fprintf(out, "Routed Connections:\n");
+			first = FALSE;
+		}
+		log_child_sa(out, child_sa, all);
+	}
+	enumerator->destroy(enumerator);
+
+	fprintf(out, "Security Associations:\n");
+	enumerator = charon->controller->create_ike_sa_enumerator(charon->controller);
+	while (enumerator->enumerate(enumerator, &ike_sa))
+	{
+		bool ike_printed = FALSE;
+		iterator_t *children = ike_sa->create_child_sa_iterator(ike_sa);
+
+		if (name == NULL || streq(name, ike_sa->get_name(ike_sa)))
+		{
+			log_ike_sa(out, ike_sa, all);
+			found = TRUE;
+			ike_printed = TRUE;
+		}
+
+		while (children->iterate(children, (void**)&child_sa))
+		{
+			if (name == NULL || streq(name, child_sa->get_name(child_sa)))
+			{
+				if (!ike_printed)
+				{
+					log_ike_sa(out, ike_sa, all);
+					found = TRUE;
+					ike_printed = TRUE;
+				}
+				log_child_sa(out, child_sa, all);
+			}
+		}
+		children->destroy(children);
+	}
+	enumerator->destroy(enumerator);
+
+	if (!found)
+	{
+		if (name)
+		{
+			fprintf(out, "  no match\n");
+		}
+		else
+		{
+			fprintf(out, "  none\n");
+		}
+	}
+}
+
+/**
+ * create a unique certificate list without duplicates
+ * certicates having the same issuer are grouped together.
+ */
+static linked_list_t* create_unique_cert_list(certificate_type_t type)
+{
+	linked_list_t *list = linked_list_create();
+	enumerator_t *enumerator = charon->credentials->create_cert_enumerator(
+									charon->credentials, type, KEY_ANY,
+									NULL, FALSE);
+	certificate_t *cert;
+
+	while (enumerator->enumerate(enumerator, (void**)&cert))
+	{
+		iterator_t *iterator = list->create_iterator(list, TRUE);
+		identification_t *issuer = cert->get_issuer(cert);
+		bool previous_same, same = FALSE, last = TRUE;
+		certificate_t *list_cert;
+
+		while (iterator->iterate(iterator, (void**)&list_cert))
+		{
+			/* exit if we have a duplicate? */
+			if (list_cert->equals(list_cert, cert))
+			{
+				last = FALSE;
+				break;
+			}
+			/* group certificates with same issuer */
+			previous_same = same;
+			same = list_cert->has_issuer(list_cert, issuer);
+			if (previous_same && !same)
+			{
+				iterator->insert_before(iterator, (void *)cert->get_ref(cert));
+				last = FALSE;
+				break;
+			}
+		}
+		iterator->destroy(iterator);
+
+		if (last)
+		{
+			list->insert_last(list, (void *)cert->get_ref(cert));
+		}
+	}
+	enumerator->destroy(enumerator);
+	return list;
+}
+
+/**
+ * Print a single public key.
+ */
+static void list_public_key(public_key_t *public, FILE *out)
+{
+	private_key_t *private = NULL;
+	chunk_t keyid;
+	identification_t *id;
+	auth_cfg_t *auth;
+
+	if (public->get_fingerprint(public, KEY_ID_PUBKEY_SHA1, &keyid))
+	{
+		id = identification_create_from_encoding(ID_KEY_ID, keyid);
+		auth = auth_cfg_create();
+		private = charon->credentials->get_private(charon->credentials,
+									public->get_type(public), id, auth);
+		auth->destroy(auth);
+		id->destroy(id);
+	}
+
+	fprintf(out, "  pubkey:    %N %d bits%s\n",
+			key_type_names, public->get_type(public),
+			public->get_keysize(public) * 8,
+			private ? ", has private key" : "");
+	if (public->get_fingerprint(public, KEY_ID_PUBKEY_INFO_SHA1, &keyid))
+	{
+		fprintf(out, "  keyid:     %#B\n", &keyid);
+	}
+	if (public->get_fingerprint(public, KEY_ID_PUBKEY_SHA1, &keyid))
+	{
+		fprintf(out, "  subjkey:   %#B\n", &keyid);
+	}
+	DESTROY_IF(private);
+}
+
+/**
+ * list all raw public keys
+ */
+static void stroke_list_pubkeys(linked_list_t *list, bool utc, FILE *out)
+{
+	bool first = TRUE;
+
+	enumerator_t *enumerator = list->create_enumerator(list);
+	certificate_t *cert;
+
+	while (enumerator->enumerate(enumerator, (void**)&cert))
+	{
+		public_key_t *public = cert->get_public_key(cert);
+
+		if (public)
+		{
+			if (first)
+			{
+				fprintf(out, "\n");
+				fprintf(out, "List of Raw Public Keys:\n");
+				first = FALSE;
+			}
+			fprintf(out, "\n");
+
+			list_public_key(public, out);
+			public->destroy(public);
+		}
+	}
+	enumerator->destroy(enumerator);
+}
+
+/**
+ * list OpenPGP certificates
+ */
+static void stroke_list_pgp(linked_list_t *list,bool utc, FILE *out)
+{
+	bool first = TRUE;
+	time_t now = time(NULL);
+	enumerator_t *enumerator = list->create_enumerator(list);
+	certificate_t *cert;
+
+	while (enumerator->enumerate(enumerator, (void**)&cert))
+	{
+		time_t created, until;
+		public_key_t *public;
+		pgp_certificate_t *pgp_cert = (pgp_certificate_t*)cert;
+		chunk_t fingerprint = pgp_cert->get_fingerprint(pgp_cert);
+
+		if (first)
+		{
+
+			fprintf(out, "\n");
+				fprintf(out, "List of PGP End Entity Certificates:\n");
+				first = FALSE;
+		}
+		fprintf(out, "\n");
+		fprintf(out, "  userid:   '%Y'\n", cert->get_subject(cert));
+
+		fprintf(out, "  digest:    %#B\n", &fingerprint);
+
+		/* list validity */
+		cert->get_validity(cert, &now, &created, &until);
+		fprintf(out, "  created:   %T\n", &created, utc);
+		fprintf(out, "  until:     %T%s\n", &until, utc,
+			(until == TIME_32_BIT_SIGNED_MAX) ? " (expires never)":"");
+
+		public = cert->get_public_key(cert);
+		if (public)
+		{
+			list_public_key(public, out);
+			public->destroy(public);
+		}
+	}
+	enumerator->destroy(enumerator);
+}
+
+/**
+ * list all X.509 certificates matching the flags
+ */
+static void stroke_list_certs(linked_list_t *list, char *label,
+							  x509_flag_t flags, bool utc, FILE *out)
+{
+	bool first = TRUE;
+	time_t now = time(NULL);
+	enumerator_t *enumerator;
+	certificate_t *cert;
+	x509_flag_t flag_mask;
+
+	/* mask all auxiliary flags */
+	flag_mask = ~(X509_SERVER_AUTH | X509_CLIENT_AUTH |
+				  X509_SELF_SIGNED | X509_IP_ADDR_BLOCKS );
+
+	enumerator = list->create_enumerator(list);
+	while (enumerator->enumerate(enumerator, (void**)&cert))
+	{
+		x509_t *x509 = (x509_t*)cert;
+		x509_flag_t x509_flags = x509->get_flags(x509) & flag_mask;
+
+		/* list only if flag is set or flag == 0 */
+		if ((x509_flags & flags) || (x509_flags == flags))
+		{
+			enumerator_t *enumerator;
+			identification_t *altName;
+			bool first_altName = TRUE;
+			int pathlen;
+			chunk_t serial, authkey;
+			time_t notBefore, notAfter;
+			public_key_t *public;
+
+			if (first)
+			{
+				fprintf(out, "\n");
+				fprintf(out, "List of %s:\n", label);
+				first = FALSE;
+			}
+			fprintf(out, "\n");
+
+			/* list subjectAltNames */
+			enumerator = x509->create_subjectAltName_enumerator(x509);
+			while (enumerator->enumerate(enumerator, (void**)&altName))
+			{
+				if (first_altName)
+				{
+					fprintf(out, "  altNames:  ");
+					first_altName = FALSE;
+				}
+				else
+				{
+					fprintf(out, ", ");
+				}
+				fprintf(out, "%Y", altName);
+			}
+			if (!first_altName)
+			{
+				fprintf(out, "\n");
+			}
+			enumerator->destroy(enumerator);
+
+			fprintf(out, "  subject:  \"%Y\"\n", cert->get_subject(cert));
+			fprintf(out, "  issuer:   \"%Y\"\n", cert->get_issuer(cert));
+			serial = x509->get_serial(x509);
+			fprintf(out, "  serial:    %#B\n", &serial);
+
+			/* list validity */
+			cert->get_validity(cert, &now, &notBefore, &notAfter);
+			fprintf(out, "  validity:  not before %T, ", &notBefore, utc);
+			if (now < notBefore)
+			{
+				fprintf(out, "not valid yet (valid in %V)\n", &now, &notBefore);
+			}
+			else
+			{
+				fprintf(out, "ok\n");
+			}
+			fprintf(out, "             not after  %T, ", &notAfter, utc);
+			if (now > notAfter)
+			{
+				fprintf(out, "expired (%V ago)\n", &now, &notAfter);
+			}
+			else
+			{
+				fprintf(out, "ok");
+				if (now > notAfter - CERT_WARNING_INTERVAL * 60 * 60 * 24)
+				{
+					fprintf(out, " (expires in %V)", &now, &notAfter);
+				}
+				fprintf(out, " \n");
+			}
+
+			public = cert->get_public_key(cert);
+			if (public)
+			{
+				list_public_key(public, out);
+				public->destroy(public);
+			}
+
+			/* list optional authorityKeyIdentifier */
+			authkey = x509->get_authKeyIdentifier(x509);
+			if (authkey.ptr)
+			{
+				fprintf(out, "  authkey:   %#B\n", &authkey);
+			}
+
+			/* list optional pathLenConstraint */
+			pathlen = x509->get_pathLenConstraint(x509);
+			if (pathlen != X509_NO_PATH_LEN_CONSTRAINT)
+			{
+				fprintf(out, "  pathlen:   %d\n", pathlen);
+			}
+
+			/* list optional ipAddrBlocks */
+			if (x509->get_flags(x509) & X509_IP_ADDR_BLOCKS)
+			{
+				traffic_selector_t *ipAddrBlock;
+				bool first_ipAddrBlock = TRUE;
+
+				fprintf(out, "  addresses: ");
+				enumerator = x509->create_ipAddrBlock_enumerator(x509);
+				while (enumerator->enumerate(enumerator, &ipAddrBlock))
+				{
+					if (first_ipAddrBlock)
+					{
+						first_ipAddrBlock = FALSE;
+					}
+					else
+					{
+						fprintf(out, ", ");
+					}
+					fprintf(out, "%R", ipAddrBlock);
+				}
+				enumerator->destroy(enumerator);
+				fprintf(out, "\n");
+			}
+		}
+	}
+	enumerator->destroy(enumerator);
+}
+
+/**
+ * list all X.509 attribute certificates
+ */
+static void stroke_list_acerts(linked_list_t *list, bool utc, FILE *out)
+{
+	bool first = TRUE;
+	time_t thisUpdate, nextUpdate, now = time(NULL);
+	enumerator_t *enumerator = list->create_enumerator(list);
+	certificate_t *cert;
+
+	while (enumerator->enumerate(enumerator, (void**)&cert))
+	{
+		ac_t *ac = (ac_t*)cert;
+		identification_t *id;
+		ietf_attributes_t *groups;
+		chunk_t chunk;
+
+		if (first)
+		{
+			fprintf(out, "\n");
+			fprintf(out, "List of X.509 Attribute Certificates:\n");
+			first = FALSE;
+		}
+		fprintf(out, "\n");
+
+		id = cert->get_subject(cert);
+		if (id)
+		{
+			fprintf(out, "  holder:   \"%Y\"\n", id);
+		}
+		id = ac->get_holderIssuer(ac);
+		if (id)
+		{
+			fprintf(out, "  hissuer:  \"%Y\"\n", id);
+		}
+		chunk = ac->get_holderSerial(ac);
+		if (chunk.ptr)
+		{
+			fprintf(out, "  hserial:   %#B\n", &chunk);
+		}
+		groups = ac->get_groups(ac);
+		if (groups)
+		{
+			fprintf(out, "  groups:    %s\n", groups->get_string(groups));
+			groups->destroy(groups);
+		}
+		fprintf(out, "  issuer:   \"%Y\"\n", cert->get_issuer(cert));
+		chunk  = ac->get_serial(ac);
+		fprintf(out, "  serial:    %#B\n", &chunk);
+
+		/* list validity */
+		cert->get_validity(cert, &now, &thisUpdate, &nextUpdate);
+		fprintf(out, "  updates:   this %T\n",  &thisUpdate, utc);
+		fprintf(out, "             next %T, ", &nextUpdate, utc);
+		if (now > nextUpdate)
+		{
+			fprintf(out, "expired (%V ago)\n", &now, &nextUpdate);
+		}
+		else
+		{
+			fprintf(out, "ok");
+			if (now > nextUpdate - AC_WARNING_INTERVAL * 60 * 60 * 24)
+			{
+				fprintf(out, " (expires in %V)", &now, &nextUpdate);
+			}
+			fprintf(out, " \n");
+		}
+
+		/* list optional authorityKeyIdentifier */
+		chunk = ac->get_authKeyIdentifier(ac);
+		if (chunk.ptr)
+		{
+			fprintf(out, "  authkey:   %#B\n", &chunk);
+		}
+	}
+	enumerator->destroy(enumerator);
+}
+
+/**
+ * list all X.509 CRLs
+ */
+static void stroke_list_crls(linked_list_t *list, bool utc, FILE *out)
+{
+	bool first = TRUE;
+	time_t thisUpdate, nextUpdate, now = time(NULL);
+	enumerator_t *enumerator = list->create_enumerator(list);
+	certificate_t *cert;
+
+	while (enumerator->enumerate(enumerator, (void**)&cert))
+	{
+		crl_t *crl = (crl_t*)cert;
+		chunk_t chunk;
+
+		if (first)
+		{
+			fprintf(out, "\n");
+			fprintf(out, "List of X.509 CRLs:\n");
+			first = FALSE;
+		}
+		fprintf(out, "\n");
+
+		fprintf(out, "  issuer:   \"%Y\"\n", cert->get_issuer(cert));
+
+		/* list optional crlNumber */
+		chunk = crl->get_serial(crl);
+		if (chunk.ptr)
+		{
+			fprintf(out, "  serial:    %#B\n", &chunk);
+		}
+
+		/* count the number of revoked certificates */
+		{
+			int count = 0;
+			enumerator_t *enumerator = crl->create_enumerator(crl);
+
+			while (enumerator->enumerate(enumerator, NULL, NULL, NULL))
+			{
+				count++;
+			}
+			fprintf(out, "  revoked:   %d certificate%s\n", count,
+							(count == 1)? "" : "s");
+			enumerator->destroy(enumerator);
+		}
+
+		/* list validity */
+		cert->get_validity(cert, &now, &thisUpdate, &nextUpdate);
+		fprintf(out, "  updates:   this %T\n",  &thisUpdate, utc);
+		fprintf(out, "             next %T, ", &nextUpdate, utc);
+		if (now > nextUpdate)
+		{
+			fprintf(out, "expired (%V ago)\n", &now, &nextUpdate);
+		}
+		else
+		{
+			fprintf(out, "ok");
+			if (now > nextUpdate - CRL_WARNING_INTERVAL * 60 * 60 * 24)
+			{
+				fprintf(out, " (expires in %V)", &now, &nextUpdate);
+			}
+			fprintf(out, " \n");
+		}
+
+		/* list optional authorityKeyIdentifier */
+		chunk = crl->get_authKeyIdentifier(crl);
+		if (chunk.ptr)
+		{
+			fprintf(out, "  authkey:   %#B\n", &chunk);
+		}
+	}
+	enumerator->destroy(enumerator);
+}
+
+/**
+ * list all OCSP responses
+ */
+static void stroke_list_ocsp(linked_list_t* list, bool utc, FILE *out)
+{
+	bool first = TRUE;
+	enumerator_t *enumerator = list->create_enumerator(list);
+	certificate_t *cert;
+
+	while (enumerator->enumerate(enumerator, (void**)&cert))
+	{
+		if (first)
+		{
+			fprintf(out, "\n");
+			fprintf(out, "List of OCSP responses:\n");
+			fprintf(out, "\n");
+			first = FALSE;
+		}
+
+		fprintf(out, "  signer:   \"%Y\"\n", cert->get_issuer(cert));
+	}
+	enumerator->destroy(enumerator);
+}
+
+/**
+ * List of registered cryptographical algorithms
+ */
+static void list_algs(FILE *out)
+{
+	enumerator_t *enumerator;
+	encryption_algorithm_t encryption;
+	integrity_algorithm_t integrity;
+	hash_algorithm_t hash;
+	pseudo_random_function_t prf;
+	diffie_hellman_group_t group;
+
+	fprintf(out, "\n");
+	fprintf(out, "List of registered IKEv2 Algorithms:\n");
+	fprintf(out, "\n  encryption: ");
+	enumerator = lib->crypto->create_crypter_enumerator(lib->crypto);
+	while (enumerator->enumerate(enumerator, &encryption))
+	{
+		fprintf(out, "%N ", encryption_algorithm_names, encryption);
+	}
+	enumerator->destroy(enumerator);
+	fprintf(out, "\n  integrity:  ");
+	enumerator = lib->crypto->create_signer_enumerator(lib->crypto);
+	while (enumerator->enumerate(enumerator, &integrity))
+	{
+		fprintf(out, "%N ", integrity_algorithm_names, integrity);
+	}
+	enumerator->destroy(enumerator);
+	fprintf(out, "\n  hasher:     ");
+	enumerator = lib->crypto->create_hasher_enumerator(lib->crypto);
+	while (enumerator->enumerate(enumerator, &hash))
+	{
+		fprintf(out, "%N ", hash_algorithm_names, hash);
+	}
+	enumerator->destroy(enumerator);
+	fprintf(out, "\n  prf:        ");
+	enumerator = lib->crypto->create_prf_enumerator(lib->crypto);
+	while (enumerator->enumerate(enumerator, &prf))
+	{
+		fprintf(out, "%N ", pseudo_random_function_names, prf);
+	}
+	enumerator->destroy(enumerator);
+	fprintf(out, "\n  dh-group:   ");
+	enumerator = lib->crypto->create_dh_enumerator(lib->crypto);
+	while (enumerator->enumerate(enumerator, &group))
+	{
+		fprintf(out, "%N ", diffie_hellman_group_names, group);
+	}
+	enumerator->destroy(enumerator);
+	fprintf(out, "\n");
+}
+
+/**
+ * Implementation of stroke_list_t.list.
+ */
+static void list(private_stroke_list_t *this, stroke_msg_t *msg, FILE *out)
+{
+	linked_list_t *cert_list = NULL;
+
+	if (msg->list.flags & LIST_PUBKEYS)
+	{
+		linked_list_t *pubkey_list = create_unique_cert_list(CERT_TRUSTED_PUBKEY);
+
+		stroke_list_pubkeys(pubkey_list, msg->list.utc, out);
+		pubkey_list->destroy_offset(pubkey_list, offsetof(certificate_t, destroy));
+	}
+	if (msg->list.flags & LIST_CERTS)
+	{
+		linked_list_t *pgp_list = create_unique_cert_list(CERT_GPG);
+
+		stroke_list_pgp(pgp_list, msg->list.utc, out);
+		pgp_list->destroy_offset(pgp_list, offsetof(certificate_t, destroy));
+	}
+	if (msg->list.flags & (LIST_CERTS | LIST_CACERTS | LIST_OCSPCERTS | LIST_AACERTS))
+	{
+		cert_list = create_unique_cert_list(CERT_X509);
+	}
+	if (msg->list.flags & LIST_CERTS)
+	{
+		stroke_list_certs(cert_list, "X.509 End Entity Certificates",
+						  X509_NONE, msg->list.utc, out);
+	}
+	if (msg->list.flags & LIST_CACERTS)
+	{
+		stroke_list_certs(cert_list, "X.509 CA Certificates",
+						  X509_CA, msg->list.utc, out);
+	}
+	if (msg->list.flags & LIST_OCSPCERTS)
+	{
+		stroke_list_certs(cert_list, "X.509 OCSP Signer Certificates",
+						  X509_OCSP_SIGNER, msg->list.utc, out);
+	}
+	if (msg->list.flags & LIST_AACERTS)
+	{
+		stroke_list_certs(cert_list, "X.509 AA Certificates",
+						  X509_AA, msg->list.utc, out);
+	}
+	DESTROY_OFFSET_IF(cert_list, offsetof(certificate_t, destroy));
+
+	if (msg->list.flags & LIST_ACERTS)
+	{
+		linked_list_t *ac_list = create_unique_cert_list(CERT_X509_AC);
+
+		stroke_list_acerts(ac_list, msg->list.utc, out);
+		ac_list->destroy_offset(ac_list, offsetof(certificate_t, destroy));
+	}
+	if (msg->list.flags & LIST_CRLS)
+	{
+		linked_list_t *crl_list = create_unique_cert_list(CERT_X509_CRL);
+
+		stroke_list_crls(crl_list, msg->list.utc, out);
+		crl_list->destroy_offset(crl_list, offsetof(certificate_t, destroy));
+	}
+	if (msg->list.flags & LIST_OCSP)
+	{
+		linked_list_t *ocsp_list = create_unique_cert_list(CERT_X509_OCSP_RESPONSE);
+
+		stroke_list_ocsp(ocsp_list, msg->list.utc, out);
+
+		ocsp_list->destroy_offset(ocsp_list, offsetof(certificate_t, destroy));
+	}
+	if (msg->list.flags & LIST_ALGS)
+	{
+		list_algs(out);
+	}
+}
+
+/**
+ * Print leases of a single pool
+ */
+static void pool_leases(private_stroke_list_t *this, FILE *out, char *pool,
+						host_t *address, u_int size, u_int online, u_int offline)
+{
+	enumerator_t *enumerator;
+	identification_t *id;
+	host_t *lease;
+	bool on;
+	int found = 0;
+
+	fprintf(out, "Leases in pool '%s', usage: %lu/%lu, %lu online\n",
+			pool, online + offline, size, online);
+	enumerator = this->attribute->create_lease_enumerator(this->attribute, pool);
+	while (enumerator && enumerator->enumerate(enumerator, &id, &lease, &on))
+	{
+		if (!address || address->ip_equals(address, lease))
+		{
+			fprintf(out, "  %15H   %s   '%Y'\n",
+					lease, on ? "online" : "offline", id);
+			found++;
+		}
+	}
+	enumerator->destroy(enumerator);
+	if (!found)
+	{
+		fprintf(out, "  no matching leases found\n");
+	}
+}
+
+/**
+ * Implementation of stroke_list_t.leases
+ */
+static void leases(private_stroke_list_t *this, stroke_msg_t *msg, FILE *out)
+{
+	enumerator_t *enumerator;
+	u_int size, offline, online;
+	host_t *address = NULL;
+	char *pool;
+	int found = 0;
+
+	if (msg->leases.address)
+	{
+		address = host_create_from_string(msg->leases.address, 0);
+	}
+
+	enumerator = this->attribute->create_pool_enumerator(this->attribute);
+	while (enumerator->enumerate(enumerator, &pool, &size, &online, &offline))
+	{
+		if (!msg->leases.pool || streq(msg->leases.pool, pool))
+		{
+			pool_leases(this, out, pool, address, size, online, offline);
+			found++;
+		}
+	}
+	enumerator->destroy(enumerator);
+	if (!found)
+	{
+		if (msg->leases.pool)
+		{
+			fprintf(out, "pool '%s' not found\n", msg->leases.pool);
+		}
+		else
+		{
+			fprintf(out, "no pools found\n");
+		}
+	}
+	DESTROY_IF(address);
+}
+
+/**
+ * Implementation of stroke_list_t.destroy
+ */
+static void destroy(private_stroke_list_t *this)
+{
+	free(this);
+}
+
+/*
+ * see header file
+ */
+stroke_list_t *stroke_list_create(stroke_attribute_t *attribute)
+{
+	private_stroke_list_t *this = malloc_thing(private_stroke_list_t);
+
+	this->public.list = (void(*)(stroke_list_t*, stroke_msg_t *msg, FILE *out))list;
+	this->public.status = (void(*)(stroke_list_t*, stroke_msg_t *msg, FILE *out,bool))status;
+	this->public.leases = (void(*)(stroke_list_t*, stroke_msg_t *msg, FILE *out))leases;
+	this->public.destroy = (void(*)(stroke_list_t*))destroy;
+
+	this->uptime = time_monotonic(NULL);
+	this->attribute = attribute;
+
+	return &this->public;
+}
+