[thirdparty/strongswan.git] / src / swanctl / commands / list_conns.c

/*
 * Copyright (C) 2016-2018 Andreas Steffen
 * Copyright (C) 2014 Martin Willi
 *
 * Copyright (C) secunet Security Networks AG
 *
 * 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.
 */

#define _GNU_SOURCE
#include <stdio.h>
#include <errno.h>

#include "swanctl.h"
#include "command.h"

#include <collections/hashtable.h>

/**
 * Free hashtable with contained strings
 */
static void free_hashtable(hashtable_t *hashtable)
{
	enumerator_t *enumerator;
	char *str;

	enumerator = hashtable->create_enumerator(hashtable);
	while (enumerator->enumerate(enumerator, NULL, &str))
	{
		free(str);
	}
	enumerator->destroy(enumerator);

	hashtable->destroy(hashtable);
}

CALLBACK(values, int,
	hashtable_t *sa, vici_res_t *res, char *name, void *value, int len)
{
	chunk_t chunk;
	char *str;

	chunk = chunk_create(value, len);
	if (chunk_printable(chunk, NULL, ' '))
	{
		if (asprintf(&str, "%.*s", len, value) >= 0)
		{
			free(sa->put(sa, name, str));
		}
	}
	return 0;
}


CALLBACK(list, int,
	hashtable_t *sa, vici_res_t *res, char *name, void *value, int len)
{
	chunk_t chunk;
	char *str;

	chunk = chunk_create(value, len);
	if (chunk_printable(chunk, NULL, ' '))
	{
		str = sa->get(sa, name);
		if (asprintf(&str, "%s%s%.*s",
					 str ?: "", str ? " " : "", len, value) >= 0)
		{
			free(sa->put(sa, name, str));
		}
	}
	return 0;
}

CALLBACK(children_sn, int,
	hashtable_t *ike, vici_res_t *res, char *name)
{
	hashtable_t *child;
	char *mode, *interface, *priority;
	char *rekey_time, *rekey_bytes, *rekey_packets, *dpd_action, *dpd_delay;
	bool no_time, no_bytes, no_packets, no_dpd, or = FALSE;
	int ret;

	child = hashtable_create(hashtable_hash_str, hashtable_equals_str, 1);
	ret = vici_parse_cb(res, NULL, values, list, child);
	if (ret == 0)
	{
		mode = child->get(child, "mode");
		printf("  %s: %s, ", name, mode);

		rekey_time    = child->get(child, "rekey_time");
		rekey_bytes   = child->get(child, "rekey_bytes");
		rekey_packets = child->get(child, "rekey_packets");
		dpd_action    = child->get(child, "dpd_action");
		dpd_delay     = ike->get(ike, "dpd_delay");

		no_time    = streq(rekey_time, "0");
		no_bytes   = streq(rekey_bytes, "0");
		no_packets = streq(rekey_packets, "0");
		no_dpd     = streq(dpd_delay, "0");

		if (strcaseeq(mode, "PASS") || strcaseeq(mode, "DROP") ||
		   (no_time && no_bytes && no_packets))
		{
			printf("no rekeying");
		}
		else
		{
			printf("rekeying every");
			if (!no_time)
			{
				printf(" %ss", rekey_time);
				or = TRUE;
			}
			if (!no_bytes)
			{
				printf("%s %s bytes", or ? " or" : "", rekey_bytes);
				or = TRUE;
			}
			if (!no_packets)
			{
				printf("%s %s packets", or ? " or" : "", rekey_packets);
			}
		}
		if (!no_dpd)
		{
			printf(", dpd action is %s", dpd_action);
		}
		printf("\n");

		print_label("    label:  ", child->get(child, "label"));
		printf("    local:  %s\n", child->get(child, "local-ts"));
		printf("    remote: %s\n", child->get(child, "remote-ts"));

		interface = child->get(child, "interface");
		if (interface)
		{
			printf("    interface: %s\n", interface);
		}

		priority = child->get(child, "priority");
		if (priority)
		{
			printf("    priority: %s\n", priority);
		}
	}
	free_hashtable(child);
	return ret;
}

CALLBACK(conn_sn, int,
	hashtable_t *ike, vici_res_t *res, char *name)
{
	int ret = 0;

	if (streq(name, "children"))
	{
		return vici_parse_cb(res, children_sn, NULL, NULL, ike);
	}
	if (strpfx(name, "local") || strpfx(name, "remote"))
	{
		hashtable_t *auth;
		char *class;

		auth = hashtable_create(hashtable_hash_str, hashtable_equals_str, 1);
		ret = vici_parse_cb(res, NULL, values, list, auth);
		if (ret == 0)
		{
			class = auth->get(auth, "class") ?: "unspecified";
			if (strcaseeq(class, "EAP"))
			{
				class = auth->get(auth, "eap-type") ?: class;
			}
			printf("  %s %s authentication:\n",
				strpfx(name, "local") ? "local" : "remote", class);
			if (auth->get(auth, "id"))
			{
				printf("    id: %s\n", auth->get(auth, "id"));
			}
			if (auth->get(auth, "ca_id"))
			{
				printf("    ca_id: %s\n", auth->get(auth, "ca_id"));
			}
			if (auth->get(auth, "eap_id"))
			{
				printf("    eap_id: %s\n", auth->get(auth, "eap_id"));
			}
			if (auth->get(auth, "xauth_id"))
			{
				printf("    xauth_id: %s\n", auth->get(auth, "xauth_id"));
			}
			if (auth->get(auth, "aaa_id"))
			{
				printf("    aaa_id: %s\n", auth->get(auth, "aaa_id"));
			}
			if (auth->get(auth, "groups"))
			{
				printf("    groups: %s\n", auth->get(auth, "groups"));
			}
			if (auth->get(auth, "cert_policy"))
			{
				printf("    cert policy: %s\n", auth->get(auth, "cert_policy"));
			}
			if (auth->get(auth, "certs"))
			{
				printf("    certs: %s\n", auth->get(auth, "certs"));
			}
			if (auth->get(auth, "cacerts"))
			{
				printf("    cacerts: %s\n", auth->get(auth, "cacerts"));
			}
		}
		free_hashtable(auth);
	}
	return ret;
}

CALLBACK(conn_list, int,
	hashtable_t *sa, vici_res_t *res, char *name, void *value, int len)
{
	if (chunk_printable(chunk_create(value, len), NULL, ' '))
	{
		if (streq(name, "local_addrs"))
		{
			printf("  local:  %.*s\n", len, value);
		}
		if (streq(name, "remote_addrs"))
		{
			printf("  remote: %.*s\n", len, value);
		}
	}
	return 0;
}

CALLBACK(conns, int,
	void *null, vici_res_t *res, char *name)
{
	int ret;
	char *version, *reauth_time, *rekey_time, *dpd_delay, *ppk_id, *ppk_req;
	hashtable_t *ike;

	version     = vici_find_str(res, "", "%s.version", name);
	reauth_time = vici_find_str(res, "0", "%s.reauth_time", name);
	rekey_time  = vici_find_str(res, "0", "%s.rekey_time", name);
	dpd_delay   = vici_find_str(res, "0", "%s.dpd_delay", name);

	ike = hashtable_create(hashtable_hash_str, hashtable_equals_str, 1);
	free(ike->put(ike,"dpd_delay", strdup(dpd_delay)));

	printf("%s: %s, ", name, version);
	if (streq(version, "IKEv1"))
	{
		if (streq(reauth_time, "0"))
		{
			reauth_time = rekey_time;
		}
	}
	if (streq(reauth_time, "0"))
	{
		printf("no reauthentication");
	}
	else
	{
		printf("reauthentication every %ss", reauth_time);
	}
	if (!streq(version, "IKEv1"))
	{
		if (streq(rekey_time, "0"))
		{
			printf(", no rekeying");
		}
		else
		{
			printf(", rekeying every %ss", rekey_time);
		}
	}
	if (!streq(dpd_delay, "0"))
	{
		printf(", dpd delay %ss", dpd_delay);
	}
	printf("\n");

	ppk_id = vici_find_str(res, NULL, "%s.ppk_id", name);
	ppk_req = vici_find_str(res, NULL, "%s.ppk_required", name);
	if (ppk_id || ppk_req)
	{
		printf("  ppk: %s%s%srequired\n", ppk_id ?: "", ppk_id ? ", " : "",
			   !ppk_req || !streq(ppk_req, "yes") ? "not " : "");
	}

	ret = vici_parse_cb(res, conn_sn, NULL, conn_list, ike);
	free_hashtable(ike);
	return ret;
}

CALLBACK(list_cb, void,
	command_format_options_t *format, char *name, vici_res_t *res)
{
	if (*format & COMMAND_FORMAT_RAW)
	{
		vici_dump(res, "list-conn event", *format & COMMAND_FORMAT_PRETTY,
				  stdout);
	}
	else
	{
		if (vici_parse_cb(res, conns, NULL, NULL, NULL) != 0)
		{
			fprintf(stderr, "parsing conn event failed: %s\n", strerror(errno));
		}
	}
}

static int list_conns(vici_conn_t *conn)
{
	vici_req_t *req;
	vici_res_t *res;
	command_format_options_t format = COMMAND_FORMAT_NONE;
	char *arg;
	int ret;

	while (TRUE)
	{
		switch (command_getopt(&arg))
		{
			case 'h':
				return command_usage(NULL);
			case 'P':
				format |= COMMAND_FORMAT_PRETTY;
				/* fall through to raw */
			case 'r':
				format |= COMMAND_FORMAT_RAW;
				continue;
			case EOF:
				break;
			default:
				return command_usage("invalid --list-conns option");
		}
		break;
	}
	if (vici_register(conn, "list-conn", list_cb, &format) != 0)
	{
		ret = errno;
		fprintf(stderr, "registering for connections failed: %s\n",
				strerror(errno));
		return ret;
	}
	req = vici_begin("list-conns");
	res = vici_submit(req, conn);
	if (!res)
	{
		ret = errno;
		fprintf(stderr, "list-conns request failed: %s\n", strerror(errno));
		return ret;
	}
	if (format & COMMAND_FORMAT_RAW)
	{
		vici_dump(res, "list-conns reply", format & COMMAND_FORMAT_PRETTY,
				  stdout);
	}
	vici_free_res(res);
	return 0;
}

/**
 * Register the command.
 */
static void __attribute__ ((constructor))reg()
{
	command_register((command_t) {
		list_conns, 'L', "list-conns", "list loaded configurations",
		{"[--raw|--pretty]"},
		{
			{"help",		'h', 0, "show usage information"},
			{"raw",			'r', 0, "dump raw response message"},
			{"pretty",		'P', 0, "dump raw response message in pretty print"},
		}
	});
}
Commit	Line	Data
	1	/*
	2	* Copyright (C) 2016-2018 Andreas Steffen
	3	* Copyright (C) 2014 Martin Willi
	4	*
	5	* Copyright (C) secunet Security Networks AG
	6	*
	7	* This program is free software; you can redistribute it and/or modify it
	8	* under the terms of the GNU General Public License as published by the
	9	* Free Software Foundation; either version 2 of the License, or (at your
	10	* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
	11	*
	12	* This program is distributed in the hope that it will be useful, but
	13	* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
	14	* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	15	* for more details.
	16	*/
	17
	18	#define _GNU_SOURCE
	19	#include <stdio.h>
	20	#include <errno.h>
	21
	22	#include "swanctl.h"
	23	#include "command.h"
	24
	25	#include <collections/hashtable.h>
	26
	27	/**
	28	* Free hashtable with contained strings
	29	*/
	30	static void free_hashtable(hashtable_t *hashtable)
	31	{
	32	enumerator_t *enumerator;
	33	char *str;
	34
	35	enumerator = hashtable->create_enumerator(hashtable);
	36	while (enumerator->enumerate(enumerator, NULL, &str))
	37	{
	38	free(str);
	39	}
	40	enumerator->destroy(enumerator);
	41
	42	hashtable->destroy(hashtable);
	43	}
	44
	45	CALLBACK(values, int,
	46	hashtable_t sa, vici_res_t res, char name, void value, int len)
	47	{
	48	chunk_t chunk;
	49	char *str;
	50
	51	chunk = chunk_create(value, len);
	52	if (chunk_printable(chunk, NULL, ' '))
	53	{
	54	if (asprintf(&str, "%.*s", len, value) >= 0)
	55	{
	56	free(sa->put(sa, name, str));
	57	}
	58	}
	59	return 0;
	60	}
	61
	62
	63	CALLBACK(list, int,
	64	hashtable_t sa, vici_res_t res, char name, void value, int len)
	65	{
	66	chunk_t chunk;
	67	char *str;
	68
	69	chunk = chunk_create(value, len);
	70	if (chunk_printable(chunk, NULL, ' '))
	71	{
	72	str = sa->get(sa, name);
	73	if (asprintf(&str, "%s%s%.*s",
	74	str ?: "", str ? " " : "", len, value) >= 0)
	75	{
	76	free(sa->put(sa, name, str));
	77	}
	78	}
	79	return 0;
	80	}
	81
	82	CALLBACK(children_sn, int,
	83	hashtable_t ike, vici_res_t res, char *name)
	84	{
	85	hashtable_t *child;
	86	char mode, interface, *priority;
	87	char rekey_time, rekey_bytes, rekey_packets, dpd_action, *dpd_delay;
	88	bool no_time, no_bytes, no_packets, no_dpd, or = FALSE;
	89	int ret;
	90
	91	child = hashtable_create(hashtable_hash_str, hashtable_equals_str, 1);
	92	ret = vici_parse_cb(res, NULL, values, list, child);
	93	if (ret == 0)
	94	{
	95	mode = child->get(child, "mode");
	96	printf(" %s: %s, ", name, mode);
	97
	98	rekey_time = child->get(child, "rekey_time");
	99	rekey_bytes = child->get(child, "rekey_bytes");
	100	rekey_packets = child->get(child, "rekey_packets");
	101	dpd_action = child->get(child, "dpd_action");
	102	dpd_delay = ike->get(ike, "dpd_delay");
	103
	104	no_time = streq(rekey_time, "0");
	105	no_bytes = streq(rekey_bytes, "0");
	106	no_packets = streq(rekey_packets, "0");
	107	no_dpd = streq(dpd_delay, "0");
	108
	109	if (strcaseeq(mode, "PASS") \|\| strcaseeq(mode, "DROP") \|\|
	110	(no_time && no_bytes && no_packets))
	111	{
	112	printf("no rekeying");
	113	}
	114	else
	115	{
	116	printf("rekeying every");
	117	if (!no_time)
	118	{
	119	printf(" %ss", rekey_time);
	120	or = TRUE;
	121	}
	122	if (!no_bytes)
	123	{
	124	printf("%s %s bytes", or ? " or" : "", rekey_bytes);
	125	or = TRUE;
	126	}
	127	if (!no_packets)
	128	{
	129	printf("%s %s packets", or ? " or" : "", rekey_packets);
	130	}
	131	}
	132	if (!no_dpd)
	133	{
	134	printf(", dpd action is %s", dpd_action);
	135	}
	136	printf("\n");
	137
	138	print_label(" label: ", child->get(child, "label"));
	139	printf(" local: %s\n", child->get(child, "local-ts"));
	140	printf(" remote: %s\n", child->get(child, "remote-ts"));
	141
	142	interface = child->get(child, "interface");
	143	if (interface)
	144	{
	145	printf(" interface: %s\n", interface);
	146	}
	147
	148	priority = child->get(child, "priority");
	149	if (priority)
	150	{
	151	printf(" priority: %s\n", priority);
	152	}
	153	}
	154	free_hashtable(child);
	155	return ret;
	156	}
	157
	158	CALLBACK(conn_sn, int,
	159	hashtable_t ike, vici_res_t res, char *name)
	160	{
	161	int ret = 0;
	162
	163	if (streq(name, "children"))
	164	{
	165	return vici_parse_cb(res, children_sn, NULL, NULL, ike);
	166	}
	167	if (strpfx(name, "local") \|\| strpfx(name, "remote"))
	168	{
	169	hashtable_t *auth;
	170	char *class;
	171
	172	auth = hashtable_create(hashtable_hash_str, hashtable_equals_str, 1);
	173	ret = vici_parse_cb(res, NULL, values, list, auth);
	174	if (ret == 0)
	175	{
	176	class = auth->get(auth, "class") ?: "unspecified";
	177	if (strcaseeq(class, "EAP"))
	178	{
	179	class = auth->get(auth, "eap-type") ?: class;
	180	}
	181	printf(" %s %s authentication:\n",
	182	strpfx(name, "local") ? "local" : "remote", class);
	183	if (auth->get(auth, "id"))
	184	{
	185	printf(" id: %s\n", auth->get(auth, "id"));
	186	}
	187	if (auth->get(auth, "ca_id"))
	188	{
	189	printf(" ca_id: %s\n", auth->get(auth, "ca_id"));
	190	}
	191	if (auth->get(auth, "eap_id"))
	192	{
	193	printf(" eap_id: %s\n", auth->get(auth, "eap_id"));
	194	}
	195	if (auth->get(auth, "xauth_id"))
	196	{
	197	printf(" xauth_id: %s\n", auth->get(auth, "xauth_id"));
	198	}
	199	if (auth->get(auth, "aaa_id"))
	200	{
	201	printf(" aaa_id: %s\n", auth->get(auth, "aaa_id"));
	202	}
	203	if (auth->get(auth, "groups"))
	204	{
	205	printf(" groups: %s\n", auth->get(auth, "groups"));
	206	}
	207	if (auth->get(auth, "cert_policy"))
	208	{
	209	printf(" cert policy: %s\n", auth->get(auth, "cert_policy"));
	210	}
	211	if (auth->get(auth, "certs"))
	212	{
	213	printf(" certs: %s\n", auth->get(auth, "certs"));
	214	}
	215	if (auth->get(auth, "cacerts"))
	216	{
	217	printf(" cacerts: %s\n", auth->get(auth, "cacerts"));
	218	}
	219	}
	220	free_hashtable(auth);
	221	}
	222	return ret;
	223	}
	224
	225	CALLBACK(conn_list, int,
	226	hashtable_t sa, vici_res_t res, char name, void value, int len)
	227	{
	228	if (chunk_printable(chunk_create(value, len), NULL, ' '))
	229	{
	230	if (streq(name, "local_addrs"))
	231	{
	232	printf(" local: %.*s\n", len, value);
	233	}
	234	if (streq(name, "remote_addrs"))
	235	{
	236	printf(" remote: %.*s\n", len, value);
	237	}
	238	}
	239	return 0;
	240	}
	241
	242	CALLBACK(conns, int,
	243	void null, vici_res_t res, char *name)
	244	{
	245	int ret;
	246	char version, reauth_time, rekey_time, dpd_delay, ppk_id, ppk_req;
	247	hashtable_t *ike;
	248
	249	version = vici_find_str(res, "", "%s.version", name);
	250	reauth_time = vici_find_str(res, "0", "%s.reauth_time", name);
	251	rekey_time = vici_find_str(res, "0", "%s.rekey_time", name);
	252	dpd_delay = vici_find_str(res, "0", "%s.dpd_delay", name);
	253
	254	ike = hashtable_create(hashtable_hash_str, hashtable_equals_str, 1);
	255	free(ike->put(ike,"dpd_delay", strdup(dpd_delay)));
	256
	257	printf("%s: %s, ", name, version);
	258	if (streq(version, "IKEv1"))
	259	{
	260	if (streq(reauth_time, "0"))
	261	{
	262	reauth_time = rekey_time;
	263	}
	264	}
	265	if (streq(reauth_time, "0"))
	266	{
	267	printf("no reauthentication");
	268	}
	269	else
	270	{
	271	printf("reauthentication every %ss", reauth_time);
	272	}
	273	if (!streq(version, "IKEv1"))
	274	{
	275	if (streq(rekey_time, "0"))
	276	{
	277	printf(", no rekeying");
	278	}
	279	else
	280	{
	281	printf(", rekeying every %ss", rekey_time);
	282	}
	283	}
	284	if (!streq(dpd_delay, "0"))
	285	{
	286	printf(", dpd delay %ss", dpd_delay);
	287	}
	288	printf("\n");
	289
	290	ppk_id = vici_find_str(res, NULL, "%s.ppk_id", name);
	291	ppk_req = vici_find_str(res, NULL, "%s.ppk_required", name);
	292	if (ppk_id \|\| ppk_req)
	293	{
	294	printf(" ppk: %s%s%srequired\n", ppk_id ?: "", ppk_id ? ", " : "",
	295	!ppk_req \|\| !streq(ppk_req, "yes") ? "not " : "");
	296	}
	297
	298	ret = vici_parse_cb(res, conn_sn, NULL, conn_list, ike);
	299	free_hashtable(ike);
	300	return ret;
	301	}
	302
	303	CALLBACK(list_cb, void,
	304	command_format_options_t format, char name, vici_res_t *res)
	305	{
	306	if (*format & COMMAND_FORMAT_RAW)
	307	{
	308	vici_dump(res, "list-conn event", *format & COMMAND_FORMAT_PRETTY,
	309	stdout);
	310	}
	311	else
	312	{
	313	if (vici_parse_cb(res, conns, NULL, NULL, NULL) != 0)
	314	{
	315	fprintf(stderr, "parsing conn event failed: %s\n", strerror(errno));
	316	}
	317	}
	318	}
	319
	320	static int list_conns(vici_conn_t *conn)
	321	{
	322	vici_req_t *req;
	323	vici_res_t *res;
	324	command_format_options_t format = COMMAND_FORMAT_NONE;
	325	char *arg;
	326	int ret;
	327
	328	while (TRUE)
	329	{
	330	switch (command_getopt(&arg))
	331	{
	332	case 'h':
	333	return command_usage(NULL);
	334	case 'P':
	335	format \|= COMMAND_FORMAT_PRETTY;
	336	/* fall through to raw */
	337	case 'r':
	338	format \|= COMMAND_FORMAT_RAW;
	339	continue;
	340	case EOF:
	341	break;
	342	default:
	343	return command_usage("invalid --list-conns option");
	344	}
	345	break;
	346	}
	347	if (vici_register(conn, "list-conn", list_cb, &format) != 0)
	348	{
	349	ret = errno;
	350	fprintf(stderr, "registering for connections failed: %s\n",
	351	strerror(errno));
	352	return ret;
	353	}
	354	req = vici_begin("list-conns");
	355	res = vici_submit(req, conn);
	356	if (!res)
	357	{
	358	ret = errno;
	359	fprintf(stderr, "list-conns request failed: %s\n", strerror(errno));
	360	return ret;
	361	}
	362	if (format & COMMAND_FORMAT_RAW)
	363	{
	364	vici_dump(res, "list-conns reply", format & COMMAND_FORMAT_PRETTY,
	365	stdout);
	366	}
	367	vici_free_res(res);
	368	return 0;
	369	}
	370
	371	/**
	372	* Register the command.
	373	*/
	374	static void __attribute__ ((constructor))reg()
	375	{
	376	command_register((command_t) {
	377	list_conns, 'L', "list-conns", "list loaded configurations",
	378	{"[--raw\|--pretty]"},
	379	{
	380	{"help", 'h', 0, "show usage information"},
	381	{"raw", 'r', 0, "dump raw response message"},
	382	{"pretty", 'P', 0, "dump raw response message in pretty print"},
	383	}
	384	});
	385	}