[solanum.git] / authd / providers / ident.c

/* authd/providers/ident.c - ident lookup provider for authd
 * Copyright (c) 2016 Elizabeth Myers <elizabeth@interlinked.me>
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice is present in all copies.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

/* Largely adapted from old s_auth.c, but reworked for authd. rDNS code
 * moved to its own provider.
 *
 * --Elizafox 13 March 2016
 */

#include "stdinc.h"
#include "match.h"
#include "authd.h"
#include "notice.h"
#include "provider.h"
#include "res.h"

#define IDENT_BUFSIZE 128

struct ident_query
{
	time_t timeout;				/* Timeout interval */
	rb_fde_t *F;				/* Our FD */
};

/* Goinked from old s_auth.c --Elizafox */
static const char *messages[] =
{
	":*** Checking Ident",
	":*** Got Ident response",
	":*** No Ident response",
};

typedef enum
{
	REPORT_LOOKUP,
	REPORT_FOUND,
	REPORT_FAIL,
} ident_message;

static EVH timeout_ident_queries_event;
static CNCB ident_connected;
static PF read_ident_reply;

static void client_fail(struct auth_client *auth, ident_message message);
static void client_success(struct auth_client *auth);
static char * get_valid_ident(char *buf);

static struct ev_entry *timeout_ev;
static int ident_timeout = 5;


/* Timeout outstanding queries */
static void
timeout_ident_queries_event(void *notused)
{
	struct auth_client *auth;
	rb_dictionary_iter iter;

	RB_DICTIONARY_FOREACH(auth, &iter, auth_clients)
	{
		struct ident_query *query = auth->data[PROVIDER_IDENT];

		if(query != NULL && query->timeout < rb_current_time())
			client_fail(auth, REPORT_FAIL);
	}
}

/*
 * ident_connected() - deal with the result of rb_connect_tcp()
 *
 * If the connection failed, we simply close the auth fd and report
 * a failure. If the connection suceeded send the ident server a query
 * giving "theirport , ourport". The write is only attempted *once* so
 * it is deemed to be a fail if the entire write doesn't write all the
 * data given.  This shouldnt be a problem since the socket should have
 * a write buffer far greater than this message to store it in should
 * problems arise. -avalon
 */
static void
ident_connected(rb_fde_t *F, int error, void *data)
{
	struct auth_client *auth = data;
	struct ident_query *query = auth->data[PROVIDER_IDENT];
	char authbuf[32];
	int authlen;

	/* Check the error */
	if(error != RB_OK)
	{
		/* We had an error during connection :( */
		client_fail(auth, REPORT_FAIL);
		return;
	}

	snprintf(authbuf, sizeof(authbuf), "%u , %u\r\n",
			auth->c_port, auth->l_port);
	authlen = strlen(authbuf);

	if(rb_write(query->F, authbuf, authlen) != authlen)
	{
		client_fail(auth, REPORT_FAIL);
		return;
	}

	read_ident_reply(query->F, auth);
}

static void
read_ident_reply(rb_fde_t *F, void *data)
{
	struct auth_client *auth = data;
	struct ident_query *query = auth->data[PROVIDER_IDENT];
	char *s = NULL;
	char *t = NULL;
	int len;
	int count;
	char buf[IDENT_BUFSIZE + 1];	/* buffer to read auth reply into */

	len = rb_read(F, buf, IDENT_BUFSIZE);
	if(len < 0 && rb_ignore_errno(errno))
	{
		rb_setselect(F, RB_SELECT_READ, read_ident_reply, query);
		return;
	}

	if(len > 0)
	{
		buf[len] = '\0';

		if((s = get_valid_ident(buf)))
		{
			t = auth->username;

			while (*s == '~' || *s == '^')
				s++;

			for (count = USERLEN; *s && count; s++)
			{
				if(*s == '@')
				{
					break;
				}
				if(*s != ' ' && *s != ':' && *s != '[')
				{
					*t++ = *s;
					count--;
				}
			}
			*t = '\0';
		}
	}

	if(s == NULL)
		client_fail(auth, REPORT_FAIL);
	else
		client_success(auth);
}

static void
client_fail(struct auth_client *auth, ident_message report)
{
	struct ident_query *query = auth->data[PROVIDER_IDENT];

	rb_strlcpy(auth->username, "*", sizeof(auth->username));

	rb_close(query->F);
	rb_free(query);
	auth->data[PROVIDER_IDENT] = NULL;

	notice_client(auth->cid, messages[report]);
	provider_done(auth, PROVIDER_IDENT);
}

static void
client_success(struct auth_client *auth)
{
	struct ident_query *query = auth->data[PROVIDER_IDENT];

	rb_close(query->F);
	rb_free(query);
	auth->data[PROVIDER_IDENT] = NULL;

	notice_client(auth->cid, messages[REPORT_FOUND]);
	provider_done(auth, PROVIDER_IDENT);
}

/* get_valid_ident
 * parse ident query reply from identd server
 *
 * Taken from old s_auth.c --Elizafox
 *
 * Inputs	- pointer to ident buf
 * Outputs	- NULL if no valid ident found, otherwise pointer to name
 * Side effects - None
 */
static char *
get_valid_ident(char *buf)
{
	int remp = 0;
	int locp = 0;
	char *colon1Ptr;
	char *colon2Ptr;
	char *colon3Ptr;
	char *commaPtr;
	char *remotePortString;

	/* All this to get rid of a sscanf() fun. */
	remotePortString = buf;

	colon1Ptr = strchr(remotePortString, ':');
	if(!colon1Ptr)
		return 0;

	*colon1Ptr = '\0';
	colon1Ptr++;
	colon2Ptr = strchr(colon1Ptr, ':');
	if(!colon2Ptr)
		return 0;

	*colon2Ptr = '\0';
	colon2Ptr++;
	commaPtr = strchr(remotePortString, ',');

	if(!commaPtr)
		return 0;

	*commaPtr = '\0';
	commaPtr++;

	remp = atoi(remotePortString);
	if(!remp)
		return 0;

	locp = atoi(commaPtr);
	if(!locp)
		return 0;

	/* look for USERID bordered by first pair of colons */
	if(!strstr(colon1Ptr, "USERID"))
		return 0;

	colon3Ptr = strchr(colon2Ptr, ':');
	if(!colon3Ptr)
		return 0;

	*colon3Ptr = '\0';
	colon3Ptr++;
	return (colon3Ptr);
}

static bool
ident_init(void)
{
	timeout_ev = rb_event_addish("timeout_ident_queries_event", timeout_ident_queries_event, NULL, 1);
	return (timeout_ev != NULL);
}

static void
ident_destroy(void)
{
	struct auth_client *auth;
	rb_dictionary_iter iter;

	/* Nuke all ident queries */
	RB_DICTIONARY_FOREACH(auth, &iter, auth_clients)
	{
		if(auth->data[PROVIDER_IDENT] != NULL)
			client_fail(auth, REPORT_FAIL);
	}
}

static bool ident_start(struct auth_client *auth)
{
	struct ident_query *query = rb_malloc(sizeof(struct ident_query));
	struct rb_sockaddr_storage l_addr, c_addr;
	int family = GET_SS_FAMILY(&auth->c_addr);

	notice_client(auth->cid, messages[REPORT_LOOKUP]);

	auth->data[PROVIDER_IDENT] = query;
	query->timeout = rb_current_time() + ident_timeout;

	if((query->F = rb_socket(family, SOCK_STREAM, 0, "ident")) == NULL)
	{
		warn_opers(L_DEBUG, "Could not create ident socket: %s", strerror(errno));
		client_fail(auth, REPORT_FAIL);
		return true;	/* Not a fatal error */
	}

	/* Build sockaddr_storages for rb_connect_tcp below */
	memcpy(&l_addr, &auth->l_addr, sizeof(l_addr));
	memcpy(&c_addr, &auth->c_addr, sizeof(c_addr));

	/* Set the ports correctly */
#ifdef RB_IPV6
	if(GET_SS_FAMILY(&l_addr) == AF_INET6)
		((struct sockaddr_in6 *)&l_addr)->sin6_port = 0;
	else
#endif
		((struct sockaddr_in *)&l_addr)->sin_port = 0;

#ifdef RB_IPV6
	if(GET_SS_FAMILY(&c_addr) == AF_INET6)
		((struct sockaddr_in6 *)&c_addr)->sin6_port = htons(113);
	else
#endif
		((struct sockaddr_in *)&c_addr)->sin_port = htons(113);

	rb_connect_tcp(query->F, (struct sockaddr *)&c_addr,
			(struct sockaddr *)&l_addr,
			GET_SS_LEN(&l_addr), ident_connected,
			query, ident_timeout);

	set_provider_on(auth, PROVIDER_IDENT);

	return true;
}

static void
ident_cancel(struct auth_client *auth)
{
	struct ident_query *query = auth->data[PROVIDER_IDENT];

	if(query != NULL)
		client_fail(auth, REPORT_FAIL);
}

static void
add_conf_ident_timeout(const char *key, int parc, const char **parv)
{
	int timeout = atoi(parv[0]);

	if(timeout < 0)
	{
		warn_opers(L_CRIT, "BUG: ident timeout < 0 (value: %d)", timeout);
		return;
	}

	ident_timeout = timeout;
}

struct auth_opts_handler ident_options[] =
{
	{ "ident_timeout", 1, add_conf_ident_timeout },
	{ NULL, 0, NULL },
};


struct auth_provider ident_provider =
{
	.id = PROVIDER_IDENT,
	.init = ident_init,
	.destroy = ident_destroy,
	.start = ident_start,
	.cancel = ident_cancel,
	.completed = NULL,
	.opt_handlers = ident_options,
};
Commit	Line	Data
2b0cc3d3 EM	1	/* authd/providers/ident.c - ident lookup provider for authd
	2	* Copyright (c) 2016 Elizabeth Myers <elizabeth@interlinked.me>
	3	*
	4	* Permission to use, copy, modify, and/or distribute this software for any
	5	* purpose with or without fee is hereby granted, provided that the above
	6	* copyright notice and this permission notice is present in all copies.
	7	*
	8	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
	9	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
	10	* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
	11	* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
	12	* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
	13	* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
	14	* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	15	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	16	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
	17	* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	18	* POSSIBILITY OF SUCH DAMAGE.
	19	*/
	20
06f3496a EM	21	/* Largely adapted from old s_auth.c, but reworked for authd. rDNS code
	22	* moved to its own provider.
	23	*
	24	* --Elizafox 13 March 2016
	25	*/
	26
2b0cc3d3 EM	27	#include "stdinc.h"
	28	#include "match.h"
	29	#include "authd.h"
db821ee9	30	#include "notice.h"
2b0cc3d3 EM	31	#include "provider.h"
	32	#include "res.h"
	33
	34	#define IDENT_BUFSIZE 128
	35
	36	struct ident_query
	37	{
2b0cc3d3 EM	38	time_t timeout; /* Timeout interval */
	39	rb_fde_t F; / Our FD */
	40	};
	41
	42	/* Goinked from old s_auth.c --Elizafox */
	43	static const char *messages[] =
	44	{
	45	":*** Checking Ident",
	46	":*** Got Ident response",
	47	":*** No Ident response",
	48	};
	49
	50	typedef enum
	51	{
	52	REPORT_LOOKUP,
	53	REPORT_FOUND,
	54	REPORT_FAIL,
	55	} ident_message;
	56
	57	static EVH timeout_ident_queries_event;
	58	static CNCB ident_connected;
	59	static PF read_ident_reply;
	60
3e875f62 EM	61	static void client_fail(struct auth_client *auth, ident_message message);
3e875f62 EM	62	static void client_success(struct auth_client *auth);
2b0cc3d3 EM	63	static char * get_valid_ident(char *buf);
2b0cc3d3 EM	64
2b0cc3d3 EM	65	static struct ev_entry *timeout_ev;
	66	static int ident_timeout = 5;
	67
	68
2b0cc3d3	69	/* Timeout outstanding queries */
06f3496a EM	70	static void
06f3496a EM	71	timeout_ident_queries_event(void *notused)
2b0cc3d3	72	{
3e875f62	73	struct auth_client *auth;
aba29d5a	74	rb_dictionary_iter iter;
2b0cc3d3	75
ab33d608	76	RB_DICTIONARY_FOREACH(auth, &iter, auth_clients)
2b0cc3d3	77	{
3e875f62	78	struct ident_query *query = auth->data[PROVIDER_IDENT];
2b0cc3d3	79
3e875f62 EM	80	if(query != NULL && query->timeout < rb_current_time())
3e875f62 EM	81	client_fail(auth, REPORT_FAIL);
2b0cc3d3 EM	82	}
	83	}
	84
	85	/*
	86	* ident_connected() - deal with the result of rb_connect_tcp()
	87	*
	88	* If the connection failed, we simply close the auth fd and report
	89	* a failure. If the connection suceeded send the ident server a query
	90	* giving "theirport , ourport". The write is only attempted once so
	91	* it is deemed to be a fail if the entire write doesn't write all the
	92	* data given. This shouldnt be a problem since the socket should have
	93	* a write buffer far greater than this message to store it in should
	94	* problems arise. -avalon
	95	*/
06f3496a EM	96	static void
06f3496a EM	97	ident_connected(rb_fde_t F, int error, void data)
2b0cc3d3	98	{
3e875f62 EM	99	struct auth_client *auth = data;
3e875f62 EM	100	struct ident_query *query = auth->data[PROVIDER_IDENT];
2b0cc3d3 EM	101	char authbuf[32];
	102	int authlen;
	103
	104	/* Check the error */
	105	if(error != RB_OK)
	106	{
	107	/* We had an error during connection :( */
3e875f62	108	client_fail(auth, REPORT_FAIL);
2b0cc3d3 EM	109	return;
	110	}
	111
	112	snprintf(authbuf, sizeof(authbuf), "%u , %u\r\n",
	113	auth->c_port, auth->l_port);
	114	authlen = strlen(authbuf);
	115
	116	if(rb_write(query->F, authbuf, authlen) != authlen)
	117	{
3e875f62	118	client_fail(auth, REPORT_FAIL);
2b0cc3d3 EM	119	return;
	120	}
	121
3e875f62	122	read_ident_reply(query->F, auth);
2b0cc3d3 EM	123	}
	124
	125	static void
	126	read_ident_reply(rb_fde_t F, void data)
	127	{
3e875f62 EM	128	struct auth_client *auth = data;
3e875f62 EM	129	struct ident_query *query = auth->data[PROVIDER_IDENT];
2b0cc3d3 EM	130	char *s = NULL;
	131	char *t = NULL;
	132	int len;
	133	int count;
	134	char buf[IDENT_BUFSIZE + 1]; /* buffer to read auth reply into */
	135
	136	len = rb_read(F, buf, IDENT_BUFSIZE);
	137	if(len < 0 && rb_ignore_errno(errno))
	138	{
	139	rb_setselect(F, RB_SELECT_READ, read_ident_reply, query);
	140	return;
	141	}
	142
	143	if(len > 0)
	144	{
	145	buf[len] = '\0';
	146
	147	if((s = get_valid_ident(buf)))
	148	{
	149	t = auth->username;
	150
	151	while (s == '~' \|\| s == '^')
	152	s++;
	153
	154	for (count = USERLEN; *s && count; s++)
	155	{
	156	if(*s == '@')
	157	{
	158	break;
	159	}
	160	if(s != ' ' && s != ':' && *s != '[')
	161	{
	162	t++ = s;
	163	count--;
	164	}
	165	}
	166	*t = '\0';
	167	}
	168	}
	169
	170	if(s == NULL)
3e875f62	171	client_fail(auth, REPORT_FAIL);
2b0cc3d3	172	else
3e875f62	173	client_success(auth);
2b0cc3d3 EM	174	}
2b0cc3d3 EM	175
06f3496a EM	176	static void
06f3496a EM	177	client_fail(struct auth_client *auth, ident_message report)
2b0cc3d3	178	{
3e875f62	179	struct ident_query *query = auth->data[PROVIDER_IDENT];
2b0cc3d3	180
3e875f62	181	rb_strlcpy(auth->username, "*", sizeof(auth->username));
2b0cc3d3	182
3e875f62 EM	183	rb_close(query->F);
	184	rb_free(query);
	185	auth->data[PROVIDER_IDENT] = NULL;
2b0cc3d3	186
db821ee9	187	notice_client(auth->cid, messages[report]);
3e875f62	188	provider_done(auth, PROVIDER_IDENT);
2b0cc3d3 EM	189	}
2b0cc3d3 EM	190
06f3496a EM	191	static void
06f3496a EM	192	client_success(struct auth_client *auth)
2b0cc3d3	193	{
3e875f62	194	struct ident_query *query = auth->data[PROVIDER_IDENT];
2b0cc3d3	195
3e875f62 EM	196	rb_close(query->F);
	197	rb_free(query);
	198	auth->data[PROVIDER_IDENT] = NULL;
2b0cc3d3	199
db821ee9	200	notice_client(auth->cid, messages[REPORT_FOUND]);
3e875f62	201	provider_done(auth, PROVIDER_IDENT);
2b0cc3d3 EM	202	}
	203
	204	/* get_valid_ident
	205	* parse ident query reply from identd server
	206	*
06f3496a	207	* Taken from old s_auth.c --Elizafox
2b0cc3d3 EM	208	*
	209	* Inputs - pointer to ident buf
	210	* Outputs - NULL if no valid ident found, otherwise pointer to name
	211	* Side effects - None
	212	*/
	213	static char *
	214	get_valid_ident(char *buf)
	215	{
	216	int remp = 0;
	217	int locp = 0;
	218	char *colon1Ptr;
	219	char *colon2Ptr;
	220	char *colon3Ptr;
	221	char *commaPtr;
	222	char *remotePortString;
	223
	224	/* All this to get rid of a sscanf() fun. */
	225	remotePortString = buf;
	226
	227	colon1Ptr = strchr(remotePortString, ':');
	228	if(!colon1Ptr)
	229	return 0;
	230
	231	*colon1Ptr = '\0';
	232	colon1Ptr++;
	233	colon2Ptr = strchr(colon1Ptr, ':');
	234	if(!colon2Ptr)
	235	return 0;
	236
	237	*colon2Ptr = '\0';
	238	colon2Ptr++;
	239	commaPtr = strchr(remotePortString, ',');
	240
	241	if(!commaPtr)
	242	return 0;
	243
	244	*commaPtr = '\0';
	245	commaPtr++;
	246
	247	remp = atoi(remotePortString);
	248	if(!remp)
	249	return 0;
	250
	251	locp = atoi(commaPtr);
	252	if(!locp)
	253	return 0;
	254
	255	/* look for USERID bordered by first pair of colons */
	256	if(!strstr(colon1Ptr, "USERID"))
	257	return 0;
	258
	259	colon3Ptr = strchr(colon2Ptr, ':');
	260	if(!colon3Ptr)
	261	return 0;
	262
	263	*colon3Ptr = '\0';
	264	colon3Ptr++;
	265	return (colon3Ptr);
	266	}
	267
06f3496a EM	268	static bool
	269	ident_init(void)
	270	{
	271	timeout_ev = rb_event_addish("timeout_ident_queries_event", timeout_ident_queries_event, NULL, 1);
	272	return (timeout_ev != NULL);
	273	}
	274
	275	static void
	276	ident_destroy(void)
	277	{
	278	struct auth_client *auth;
	279	rb_dictionary_iter iter;
	280
	281	/* Nuke all ident queries */
	282	RB_DICTIONARY_FOREACH(auth, &iter, auth_clients)
	283	{
	284	if(auth->data[PROVIDER_IDENT] != NULL)
	285	client_fail(auth, REPORT_FAIL);
	286	}
	287	}
	288
	289	static bool ident_start(struct auth_client *auth)
	290	{
	291	struct ident_query *query = rb_malloc(sizeof(struct ident_query));
	292	struct rb_sockaddr_storage l_addr, c_addr;
47ab6f6e EM	293	int family = GET_SS_FAMILY(&auth->c_addr);
	294
	295	notice_client(auth->cid, messages[REPORT_LOOKUP]);
06f3496a EM	296
	297	auth->data[PROVIDER_IDENT] = query;
	298	query->timeout = rb_current_time() + ident_timeout;
	299
47ab6f6e	300	if((query->F = rb_socket(family, SOCK_STREAM, 0, "ident")) == NULL)
06f3496a	301	{
47ab6f6e	302	warn_opers(L_DEBUG, "Could not create ident socket: %s", strerror(errno));
06f3496a EM	303	client_fail(auth, REPORT_FAIL);
	304	return true; /* Not a fatal error */
	305	}
	306
06f3496a EM	307	/* Build sockaddr_storages for rb_connect_tcp below */
	308	memcpy(&l_addr, &auth->l_addr, sizeof(l_addr));
	309	memcpy(&c_addr, &auth->c_addr, sizeof(c_addr));
	310
	311	/* Set the ports correctly */
	312	#ifdef RB_IPV6
	313	if(GET_SS_FAMILY(&l_addr) == AF_INET6)
	314	((struct sockaddr_in6 *)&l_addr)->sin6_port = 0;
	315	else
	316	#endif
	317	((struct sockaddr_in *)&l_addr)->sin_port = 0;
	318
	319	#ifdef RB_IPV6
	320	if(GET_SS_FAMILY(&c_addr) == AF_INET6)
	321	((struct sockaddr_in6 *)&c_addr)->sin6_port = htons(113);
	322	else
	323	#endif
	324	((struct sockaddr_in *)&c_addr)->sin_port = htons(113);
	325
47ab6f6e	326	rb_connect_tcp(query->F, (struct sockaddr *)&c_addr,
06f3496a EM	327	(struct sockaddr *)&l_addr,
	328	GET_SS_LEN(&l_addr), ident_connected,
	329	query, ident_timeout);
	330
06f3496a EM	331	set_provider_on(auth, PROVIDER_IDENT);
	332
	333	return true;
	334	}
	335
	336	static void
	337	ident_cancel(struct auth_client *auth)
	338	{
	339	struct ident_query *query = auth->data[PROVIDER_IDENT];
	340
	341	if(query != NULL)
	342	client_fail(auth, REPORT_FAIL);
	343	}
	344
67acafca EM	345	static void
	346	add_conf_ident_timeout(const char key, int parc, const char *parv)
	347	{
	348	int timeout = atoi(parv[0]);
	349
	350	if(timeout < 0)
	351	{
	352	warn_opers(L_CRIT, "BUG: ident timeout < 0 (value: %d)", timeout);
	353	return;
	354	}
	355
	356	ident_timeout = timeout;
	357	}
	358
	359	struct auth_opts_handler ident_options[] =
	360	{
	361	{ "ident_timeout", 1, add_conf_ident_timeout },
	362	{ NULL, 0, NULL },
	363	};
	364
2b0cc3d3 EM	365
	366	struct auth_provider ident_provider =
	367	{
	368	.id = PROVIDER_IDENT,
	369	.init = ident_init,
	370	.destroy = ident_destroy,
	371	.start = ident_start,
	372	.cancel = ident_cancel,
	373	.completed = NULL,
67acafca	374	.opt_handlers = ident_options,
2b0cc3d3	375	};