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root/svn/ircd-hybrid/trunk/src/auth.c

Comparing:
ircd-hybrid-7.3/src/s_auth.c (file contents), Revision 1029 by michael, Sun Nov 8 13:10:50 2009 UTC vs.
ircd-hybrid/trunk/src/auth.c (file contents), Revision 4408 by michael, Wed Aug 6 21:19:38 2014 UTC

#	Line 1 | Line 1
1		/*
2	<	*  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3	<	*  s_auth.c: Functions for querying a users ident.
2	>	*  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3		*
4	<	*  Copyright (C) 2002 by the past and present ircd coders, and others.
4	>	*  Copyright (c) 1997-2014 ircd-hybrid development team
5		*
6		*  This program is free software; you can redistribute it and/or modify
7		*  it under the terms of the GNU General Public License as published by
#	Line 18 | Line 17
17		*  along with this program; if not, write to the Free Software
18		*  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
19		*  USA
20	<	*
21	<	*  $Id$
20	>	*/
21	>
22	>	/*! \file auth.c
23	>	* \brief Functions for querying a users ident.
24	>	* \version $Id$
25		*/
26
27		/*
#	Line 32 | Line 34
34		*     any messages from it.
35		*     --Bleep  Thomas Helvey <tomh@inxpress.net>
36		*/
37	+
38		#include "stdinc.h"
39		#include "list.h"
40		#include "ircd_defs.h"
41		#include "fdlist.h"
42	<	#include "s_auth.h"
43	<	#include "s_conf.h"
41	<	#include "balloc.h"
42	>	#include "auth.h"
43	>	#include "conf.h"
44		#include "client.h"
43	–	#include "common.h"
45		#include "event.h"
45	–	#include "hook.h"
46		#include "irc_string.h"
47	–	#include "sprintf_irc.h"
47		#include "ircd.h"
49	–	#include "numeric.h"
48		#include "packet.h"
49	<	#include "irc_res.h"
49	>	#include "res.h"
50		#include "s_bsd.h"
51	<	#include "s_log.h"
51	>	#include "log.h"
52		#include "send.h"
53	+	#include "mempool.h"
54
55
56	<	static const char *HeaderMessages[] = {
57	<	":%s NOTICE AUTH :*** Looking up your hostname...",
58	<	":%s NOTICE AUTH :*** Found your hostname",
59	<	":%s NOTICE AUTH :*** Couldn't look up your hostname",
60	<	":%s NOTICE AUTH :*** Checking Ident",
61	<	":%s NOTICE AUTH :*** Got Ident response",
62	<	":%s NOTICE AUTH :*** No Ident response",
63	<	":%s NOTICE AUTH :*** Your forward and reverse DNS do not match, ignoring hostname.",
64	<	":%s NOTICE AUTH :*** Your hostname is too long, ignoring hostname"
56	>	static const char *const HeaderMessages[] =
57	>	{
58	>	":*** Looking up your hostname",
59	>	":*** Found your hostname",
60	>	":*** Couldn't look up your hostname",
61	>	":*** Checking Ident",
62	>	":*** Got Ident response",
63	>	":*** No Ident response",
64	>	":*** Your forward and reverse DNS do not match, ignoring hostname",
65	>	":*** Your hostname is too long, ignoring hostname"
66		};
67
68	<	enum {
68	>	enum
69	>	{
70		REPORT_DO_DNS,
71		REPORT_FIN_DNS,
72		REPORT_FAIL_DNS,
#	Line 76 | Line 77 | enum {
77		REPORT_HOST_TOOLONG
78		};
79
80	<	#define sendheader(c, i) sendto_one((c), HeaderMessages[(i)], me.name)
80	<
81	<	static BlockHeap *auth_heap = NULL;
82	<	static dlink_list auth_doing_list = { NULL, NULL, 0 };
83	<
84	<	static EVH timeout_auth_queries_event;
80	>	#define sendheader(c, i) sendto_one_notice((c), &me, HeaderMessages[(i)])
81
82	+	static dlink_list auth_pending_list;
83		static PF read_auth_reply;
84		static CNCB auth_connect_callback;
88	–	static CBFUNC start_auth;
89	–
90	–	struct Callback *auth_cb = NULL;
85
92	–	/* init_auth()
93	–	*
94	–	* Initialise the auth code
95	–	*/
96	–	void
97	–	init_auth(void)
98	–	{
99	–	auth_heap = BlockHeapCreate("auth", sizeof(struct AuthRequest), AUTH_HEAP_SIZE);
100	–	auth_cb = register_callback("start_auth", start_auth);
101	–	eventAddIsh("timeout_auth_queries_event", timeout_auth_queries_event, NULL, 1);
102	–	}
86
87		/*
88		* make_auth_request - allocate a new auth request
#	Line 107 | Line 90 | init_auth(void)
90		static struct AuthRequest *
91		make_auth_request(struct Client *client)
92		{
93	<	struct AuthRequest *request = BlockHeapAlloc(auth_heap);
93	>	struct AuthRequest *request = &client->localClient->auth;
94	>
95	>	memset(request, 0, sizeof(*request));
96
97	<	client->localClient->auth = request;
98	<	request->client           = client;
114	<	request->timeout          = CurrentTime + CONNECTTIMEOUT;
97	>	request->client  = client;
98	>	request->timeout = CurrentTime + CONNECTTIMEOUT;
99
100		return request;
101		}
#	Line 129 | Line 113 | release_auth_client(struct AuthRequest *
113		if (IsDoingAuth(auth) || IsDNSPending(auth))
114		return;
115
116	<	client->localClient->auth = NULL;
117	<	dlinkDelete(&auth->node, &auth_doing_list);
118	<	BlockHeapFree(auth_heap, auth);
116	>	if (IsInAuth(auth))
117	>	{
118	>	dlinkDelete(&auth->node, &auth_pending_list);
119	>	ClearInAuth(auth);
120	>	}
121
122		/*
123		* When a client has auth'ed, we want to start reading what it sends
#	Line 141 | Line 127 | release_auth_client(struct AuthRequest *
127		client->localClient->allow_read = MAX_FLOOD;
128		comm_setflush(&client->localClient->fd, 1000, flood_recalc, client);
129
130	<	dlinkAdd(client, &client->node, &global_client_list);
131	<
132	<	client->since  = client->lasttime = client->firsttime = CurrentTime;
130	>	client->localClient->since     = CurrentTime;
131	>	client->localClient->lasttime  = CurrentTime;
132	>	client->localClient->firsttime = CurrentTime;
133		client->flags |= FLAGS_FINISHED_AUTH;
134
135		read_packet(&client->localClient->fd, client);
136		}
137	<
137	>
138		/*
139		* auth_dns_callback - called when resolver query finishes
140		* if the query resulted in a successful search, name will contain
#	Line 157 | Line 143 | release_auth_client(struct AuthRequest *
143		* of success of failure
144		*/
145		static void
146	<	auth_dns_callback(void *vptr, const struct irc_ssaddr *addr, const char *name)
146	>	auth_dns_callback(void *vptr, const struct irc_ssaddr *addr, const char *name, size_t namelength)
147		{
148		struct AuthRequest *auth = vptr;
149
150		ClearDNSPending(auth);
151
152	<	if (name != NULL)
152	>	if (!EmptyString(name))
153		{
154		const struct sockaddr_in *v4, *v4dns;
155		#ifdef IPV6
156		const struct sockaddr_in6 *v6, *v6dns;
171	–	#endif
172	–	int good = 1;
157
174	–	#ifdef IPV6
158		if (auth->client->localClient->ip.ss.ss_family == AF_INET6)
159		{
160		v6 = (const struct sockaddr_in6 *)&auth->client->localClient->ip;
161		v6dns = (const struct sockaddr_in6 *)addr;
162	+
163		if (memcmp(&v6->sin6_addr, &v6dns->sin6_addr, sizeof(struct in6_addr)) != 0)
164		{
165		sendheader(auth->client, REPORT_IP_MISMATCH);
166	<	good = 0;
166	>	release_auth_client(auth);
167	>	return;
168		}
169		}
170		else
#	Line 187 | Line 172 | auth_dns_callback(void *vptr, const stru
172		{
173		v4 = (const struct sockaddr_in *)&auth->client->localClient->ip;
174		v4dns = (const struct sockaddr_in *)addr;
175	<	if(v4->sin_addr.s_addr != v4dns->sin_addr.s_addr)
175	>
176	>	if (v4->sin_addr.s_addr != v4dns->sin_addr.s_addr)
177		{
178		sendheader(auth->client, REPORT_IP_MISMATCH);
179	<	good = 0;
179	>	release_auth_client(auth);
180	>	return;
181		}
182		}
183	<	if (good && strlen(name) <= HOSTLEN)
183	>
184	>	if (namelength > HOSTLEN)
185	>	sendheader(auth->client, REPORT_HOST_TOOLONG);
186	>	else
187		{
188	<	strlcpy(auth->client->host, name,
199	<	sizeof(auth->client->host));
188	>	strlcpy(auth->client->host, name, sizeof(auth->client->host));
189		sendheader(auth->client, REPORT_FIN_DNS);
190		}
202	–	else if (strlen(name) > HOSTLEN)
203	–	sendheader(auth->client, REPORT_HOST_TOOLONG);
191		}
192		else
193		sendheader(auth->client, REPORT_FAIL_DNS);
#	Line 226 | Line 213 | auth_error(struct AuthRequest *auth)
213		}
214
215		/*
216	<	* start_auth_query - Flag the client to show that an attempt to
216	>	* start_auth_query - Flag the client to show that an attempt to
217		* contact the ident server on
218		* the client's host.  The connect and subsequently the socket are all put
219		* into 'non-blocking' mode.  Should the connect or any later phase of the
#	Line 248 | Line 235 | start_auth_query(struct AuthRequest *aut
235		if (comm_open(&auth->fd, auth->client->localClient->ip.ss.ss_family,
236		SOCK_STREAM, 0, "ident") == -1)
237		{
238	<	report_error(L_ALL, "creating auth stream socket %s:%s",
239	<	get_client_name(auth->client, SHOW_IP), errno);
240	<	ilog(L_ERROR, "Unable to create auth socket for %s",
238	>	report_error(L_ALL, "creating auth stream socket %s:%s",
239	>	get_client_name(auth->client, SHOW_IP), errno);
240	>	ilog(LOG_TYPE_IRCD, "Unable to create auth socket for %s",
241		get_client_name(auth->client, SHOW_IP));
242		++ServerStats.is_abad;
243		return 0;
#	Line 258 | Line 245 | start_auth_query(struct AuthRequest *aut
245
246		sendheader(auth->client, REPORT_DO_ID);
247
248	<	/*
248	>	/*
249		* get the local address of the client and bind to that to
250		* make the auth request.  This used to be done only for
251		* ifdef VIRTUAL_HOST, but needs to be done for all clients
#	Line 280 | Line 267 | start_auth_query(struct AuthRequest *aut
267		#endif
268		localaddr.ss_port = htons(0);
269
270	<	comm_connect_tcp(&auth->fd, auth->client->sockhost, 113,
271	<	(struct sockaddr *)&localaddr, localaddr.ss_len, auth_connect_callback,
272	<	auth, auth->client->localClient->ip.ss.ss_family,
270	>	comm_connect_tcp(&auth->fd, auth->client->sockhost, RFC1413_PORT,
271	>	(struct sockaddr *)&localaddr, localaddr.ss_len, auth_connect_callback,
272	>	auth, auth->client->localClient->ip.ss.ss_family,
273		GlobalSetOptions.ident_timeout);
274		return 1; /* We suceed here for now */
275		}
276
277		/*
278	<	* GetValidIdent - parse ident query reply from identd server
292	<	*
293	<	* Inputs        - pointer to ident buf
294	<	* Output        - NULL if no valid ident found, otherwise pointer to name
295	<	* Side effects  -
296	<	*/
297	<	/*
298	<	* A few questions have been asked about this mess, obviously
299	<	* it should have been commented better the first time.
300	<	* The original idea was to remove all references to libc from ircd-hybrid.
301	<	* Instead of having to write a replacement for sscanf(), I did a
302	<	* rather gruseome parser here so we could remove this function call.
303	<	* Note, that I had also removed a few floating point printfs as well (though
304	<	* now we are still stuck with a few...)
305	<	* Remember, we have a replacement ircd sprintf, we have bleeps fputs lib
306	<	* it would have been nice to remove some unneeded code.
307	<	* Oh well. If we don't remove libc stuff totally, then it would be
308	<	* far cleaner to use sscanf()
309	<	*
310	<	* - Dianora
311	<	*/
312	<	static char *
313	<	GetValidIdent(char *buf)
314	<	{
315	<	int   remp = 0;
316	<	int   locp = 0;
317	<	char* colon1Ptr;
318	<	char* colon2Ptr;
319	<	char* colon3Ptr;
320	<	char* commaPtr;
321	<	char* remotePortString;
322	<
323	<	/* All this to get rid of a sscanf() fun. */
324	<	remotePortString = buf;
325	<
326	<	if ((colon1Ptr = strchr(remotePortString,':')) == NULL)
327	<	return 0;
328	<	*colon1Ptr = '\0';
329	<	colon1Ptr++;
330	<
331	<	if ((colon2Ptr = strchr(colon1Ptr,':')) == NULL)
332	<	return 0;
333	<	*colon2Ptr = '\0';
334	<	colon2Ptr++;
335	<
336	<	if ((commaPtr = strchr(remotePortString, ',')) == NULL)
337	<	return 0;
338	<	*commaPtr = '\0';
339	<	commaPtr++;
340	<
341	<	if ((remp = atoi(remotePortString)) == 0)
342	<	return 0;
343	<
344	<	if ((locp = atoi(commaPtr)) == 0)
345	<	return 0;
346	<
347	<	/* look for USERID bordered by first pair of colons */
348	<	if (strstr(colon1Ptr, "USERID") == NULL)
349	<	return 0;
350	<
351	<	if ((colon3Ptr = strchr(colon2Ptr,':')) == NULL)
352	<	return 0;
353	<	*colon3Ptr = '\0';
354	<	colon3Ptr++;
355	<	return (colon3Ptr);
356	<	}
357	<
358	<	/*
359	<	* start_auth
278	>	* start_auth
279		*
280		* inputs       - pointer to client to auth
281		* output       - NONE
282		* side effects - starts auth (identd) and dns queries for a client
283		*/
284	<	static void *
285	<	start_auth(va_list args)
284	>	void
285	>	start_auth(struct Client *client_p)
286		{
368	–	struct Client *client = va_arg(args, struct Client *);
287		struct AuthRequest *auth = NULL;
288
289	<	assert(client != NULL);
289	>	assert(client_p);
290
291	<	auth = make_auth_request(client);
292	<	dlinkAdd(auth, &auth->node, &auth_doing_list);
291	>	auth = make_auth_request(client_p);
292	>	SetInAuth(auth);
293	>	dlinkAddTail(auth, &auth->node, &auth_pending_list);
294
295	<	sendheader(client, REPORT_DO_DNS);
295	>	sendheader(client_p, REPORT_DO_DNS);
296
297		SetDNSPending(auth);
298
299	<	if (ConfigFileEntry.disable_auth == 0)
299	>	if (ConfigGeneral.disable_auth == 0)
300		{
301		SetDoingAuth(auth);
302		start_auth_query(auth);
303		}
304
305	<	gethost_byaddr(auth_dns_callback, auth, &client->localClient->ip);
387	<
388	<	return NULL;
305	>	gethost_byaddr(auth_dns_callback, auth, &client_p->localClient->ip);
306		}
307
308		/*
#	Line 395 | Line 312 | start_auth(va_list args)
312		static void
313		timeout_auth_queries_event(void *notused)
314		{
315	<	dlink_node *ptr = NULL, *next_ptr = NULL;
315	>	dlink_node *ptr = NULL, *ptr_next = NULL;
316
317	<	DLINK_FOREACH_SAFE(ptr, next_ptr, auth_doing_list.head)
317	>	DLINK_FOREACH_SAFE(ptr, ptr_next, auth_pending_list.head)
318		{
319		struct AuthRequest *auth = ptr->data;
320
321		if (auth->timeout > CurrentTime)
322	<	continue;
322	>	break;
323
324		if (IsDoingAuth(auth))
325	<	{
325	>	{
326		++ServerStats.is_abad;
327		fd_close(&auth->fd);
328		ClearAuth(auth);
#	Line 419 | Line 336 | timeout_auth_queries_event(void *notused
336		sendheader(auth->client, REPORT_FAIL_DNS);
337		}
338
339	<	ilog(L_INFO, "DNS/AUTH timeout %s",
339	>	ilog(LOG_TYPE_IRCD, "DNS/AUTH timeout %s",
340		get_client_name(auth->client, SHOW_IP));
341		release_auth_client(auth);
342		}
#	Line 445 | Line 362 | auth_connect_callback(fde_t *fd, int err
362		char authbuf[32];
363		socklen_t ulen = sizeof(struct irc_ssaddr);
364		socklen_t tlen = sizeof(struct irc_ssaddr);
365	<	u_int16_t uport, tport;
365	>	uint16_t uport, tport;
366		#ifdef IPV6
367		struct sockaddr_in6 *v6;
368		#else
#	Line 458 | Line 375 | auth_connect_callback(fde_t *fd, int err
375		return;
376		}
377
378	<	if (getsockname(auth->client->localClient->fd.fd, (struct sockaddr *)&us,
379	<	&ulen) ||
463	<	getpeername(auth->client->localClient->fd.fd, (struct sockaddr *)&them,
464	<	&tlen))
378	>	if (getsockname(auth->client->localClient->fd.fd, (struct sockaddr *)&us, &ulen) ||
379	>	getpeername(auth->client->localClient->fd.fd, (struct sockaddr *)&them, &tlen))
380		{
381	<	ilog(L_INFO, "auth get{sock,peer}name error for %s",
382	<	get_client_name(auth->client, SHOW_IP));
381	>	ilog(LOG_TYPE_IRCD, "auth get{sock,peer}name error for %s",
382	>	get_client_name(auth->client, SHOW_IP));
383		auth_error(auth);
384		return;
385		}
#	Line 484 | Line 399 | auth_connect_callback(fde_t *fd, int err
399		us.ss_len = ulen;
400		them.ss_len = tlen;
401		#endif
402	<
403	<	ircsprintf(authbuf, "%u , %u\r\n", tport, uport);
402	>
403	>	snprintf(authbuf, sizeof(authbuf), "%u, %u\r\n", tport, uport);
404
405		if (send(fd->fd, authbuf, strlen(authbuf), 0) == -1)
406		{
#	Line 493 | Line 408 | auth_connect_callback(fde_t *fd, int err
408		return;
409		}
410
411	<	read_auth_reply(&auth->fd, auth);
411	>	comm_setselect(fd, COMM_SELECT_READ, read_auth_reply, auth, 0);
412	>	}
413	>
414	>	/** Enum used to index ident reply fields in a human-readable way. */
415	>	enum IdentReplyFields
416	>	{
417	>	IDENT_PORT_NUMBERS,
418	>	IDENT_REPLY_TYPE,
419	>	IDENT_OS_TYPE,
420	>	IDENT_INFO,
421	>	USERID_TOKEN_COUNT
422	>	};
423	>
424	>	/** Parse an ident reply line and extract the userid from it.
425	>	* \param reply The ident reply line.
426	>	* \return The userid, or NULL on parse failure.
427	>	*/
428	>	static const char *
429	>	check_ident_reply(char *reply)
430	>	{
431	>	char *token = NULL, *end = NULL;
432	>	char *vector[USERID_TOKEN_COUNT];
433	>	int count = token_vector(reply, ':', vector, USERID_TOKEN_COUNT);
434	>
435	>	if (USERID_TOKEN_COUNT != count)
436	>	return NULL;
437	>
438	>	/*
439	>	* Second token is the reply type
440	>	*/
441	>	token = vector[IDENT_REPLY_TYPE];
442	>
443	>	if (EmptyString(token))
444	>	return NULL;
445	>
446	>	while (IsSpace(*token))
447	>	++token;
448	>
449	>	if (strncmp(token, "USERID", 6))
450	>	return NULL;
451	>
452	>	/*
453	>	* Third token is the os type
454	>	*/
455	>	token = vector[IDENT_OS_TYPE];
456	>
457	>	if (EmptyString(token))
458	>	return NULL;
459	>
460	>	while (IsSpace(*token))
461	>	++token;
462	>
463	>	/*
464	>	* Unless "OTHER" is specified as the operating system type, the server
465	>	* is expected to return the "normal" user identification of the owner
466	>	* of this connection. "Normal" in this context may be taken to mean a
467	>	* string of characters which uniquely identifies the connection owner
468	>	* such as a user identifier assigned by the system administrator and
469	>	* used by such user as a mail identifier, or as the "user" part of a
470	>	* user/password pair used to gain access to system resources. When an
471	>	* operating system is specified (e.g., anything but "OTHER"), the user
472	>	* identifier is expected to be in a more or less immediately useful
473	>	* form - e.g., something that could be used as an argument to "finger"
474	>	* or as a mail address.
475	>	*/
476	>	if (!strncmp(token, "OTHER", 5))
477	>	return NULL;
478	>
479	>	/*
480	>	* Fourth token is the username
481	>	*/
482	>	token = vector[IDENT_INFO];
483	>
484	>	if (EmptyString(token))
485	>	return NULL;
486	>
487	>	while (IsSpace(*token))
488	>	++token;
489	>
490	>	while (*token == '~' || *token == '^')
491	>	++token;
492	>
493	>	/*
494	>	* Look for the end of the username, terminators are '\0, @, <SPACE>, :'
495	>	*/
496	>	for (end = token; *end; ++end)
497	>	if (IsSpace(*end) || '@' == *end || ':' == *end)
498	>	break;
499	>	*end = '\0';
500	>
501	>	return token;
502		}
503
504		/*
505	<	* read_auth_reply - read the reply (if any) from the ident server
505	>	* read_auth_reply - read the reply (if any) from the ident server
506		* we connected to.
507		* We only give it one shot, if the reply isn't good the first time
508		* fail the authentication entirely. --Bleep
509		*/
505	–	#define AUTH_BUFSIZ 128
506	–
510		static void
511		read_auth_reply(fde_t *fd, void *data)
512		{
513		struct AuthRequest *auth = data;
514	<	char *s = NULL;
515	<	char *t = NULL;
516	<	int len;
514	<	int count;
515	<	char buf[AUTH_BUFSIZ + 1]; /* buffer to read auth reply into */
516	<
517	<	/* Why?
518	<	* Well, recv() on many POSIX systems is a per-packet operation,
519	<	* and we do not necessarily want this, because on lowspec machines,
520	<	* the ident response may come back fragmented, thus resulting in an
521	<	* invalid ident response, even if the ident response was really OK.
522	<	*
523	<	* So PLEASE do not change this code to recv without being aware of the
524	<	* consequences.
525	<	*
526	<	*    --nenolod
527	<	*/
528	<	len = read(fd->fd, buf, AUTH_BUFSIZ);
529	<
530	<	if (len < 0)
531	<	{
532	<	if (ignoreErrno(errno))
533	<	comm_setselect(fd, COMM_SELECT_READ, read_auth_reply, auth, 0);
534	<	else
535	<	auth_error(auth);
536	<	return;
537	<	}
514	>	const char *username = NULL;
515	>	ssize_t len = 0;
516	>	char buf[RFC1413_BUFSIZ + 1];
517
518	<	if (len > 0)
518	>	if ((len = recv(fd->fd, buf, RFC1413_BUFSIZ, 0)) > 0)
519		{
520		buf[len] = '\0';
521	<
543	<	if ((s = GetValidIdent(buf)))
544	<	{
545	<	t = auth->client->username;
546	<
547	<	while (*s == '~' || *s == '^')
548	<	s++;
549	<
550	<	for (count = USERLEN; *s && count; s++)
551	<	{
552	<	if (*s == '@')
553	<	break;
554	<	if (!IsSpace(*s) && *s != ':' && *s != '[')
555	<	{
556	<	*t++ = *s;
557	<	count--;
558	<	}
559	<	}
560	<
561	<	*t = '\0';
562	<	}
521	>	username = check_ident_reply(buf);
522		}
523
524		fd_close(fd);
525
526		ClearAuth(auth);
527
528	<	if (s == NULL)
528	>	if (EmptyString(username))
529		{
530		sendheader(auth->client, REPORT_FAIL_ID);
531		++ServerStats.is_abad;
532		}
533		else
534		{
535	+	strlcpy(auth->client->username, username, sizeof(auth->client->username));
536		sendheader(auth->client, REPORT_FIN_ID);
537		++ServerStats.is_asuc;
538		SetGotId(auth->client);
#	Line 584 | Line 544 | read_auth_reply(fde_t *fd, void *data)
544		/*
545		* delete_auth()
546		*/
547	<	void
547	>	void
548		delete_auth(struct AuthRequest *auth)
549		{
550		if (IsDNSPending(auth))
#	Line 593 | Line 553 | delete_auth(struct AuthRequest *auth)
553		if (IsDoingAuth(auth))
554		fd_close(&auth->fd);
555
556	<	dlinkDelete(&auth->node, &auth_doing_list);
557	<	BlockHeapFree(auth_heap, auth);
556	>	if (IsInAuth(auth))
557	>	{
558	>	dlinkDelete(&auth->node, &auth_pending_list);
559	>	ClearInAuth(auth);
560	>	}
561	>	}
562	>
563	>	/* auth_init
564	>	*
565	>	* Initialise the auth code
566	>	*/
567	>	void
568	>	auth_init(void)
569	>	{
570	>	static struct event timeout_auth_queries =
571	>	{
572	>	.name = "timeout_auth_queries_event",
573	>	.handler = timeout_auth_queries_event,
574	>	.when = 1
575	>	};
576	>
577	>	event_add(&timeout_auth_queries, NULL);
578		}

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