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root/svn/ircd-hybrid/branches/8.2.x/src/server.c

Comparing:
ircd-hybrid/trunk/src/s_serv.c (file contents), Revision 2228 by michael, Thu Jun 13 19:46:30 2013 UTC vs.
ircd-hybrid/branches/8.2.x/src/server.c (file contents), Revision 5459 by michael, Tue Feb 3 22:24:23 2015 UTC

#	Line 1 | Line 1
1		/*
2	<	*  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3	<	*  s_serv.c: Server related functions.
2	>	*  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3		*
4	<	*  Copyright (C) 2005 by the past and present ircd coders, and others.
4	>	*  Copyright (c) 1997-2015 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 16 | Line 15
15		*
16		*  You should have received a copy of the GNU General Public License
17		*  along with this program; if not, write to the Free Software
18	<	*  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
18	>	*  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
19		*  USA
20	<	*
21	<	*  $Id$
20	>	*/
21	>
22	>	/*! \file s_serv.c
23	>	* \brief Server related functions.
24	>	* \version $Id$
25		*/
26
27		#include "stdinc.h"
#	Line 28 | Line 30
30		#include "rsa.h"
31		#endif
32		#include "list.h"
31	–	#include "channel.h"
32	–	#include "channel_mode.h"
33		#include "client.h"
34	–	#include "dbuf.h"
34		#include "event.h"
36	–	#include "fdlist.h"
35		#include "hash.h"
36		#include "irc_string.h"
37		#include "ircd.h"
#	Line 41 | Line 39
39		#include "s_bsd.h"
40		#include "numeric.h"
41		#include "packet.h"
44	–	#include "irc_res.h"
42		#include "conf.h"
43	<	#include "s_serv.h"
43	>	#include "server.h"
44		#include "log.h"
45	<	#include "s_misc.h"
49	<	#include "s_user.h"
45	>	#include "user.h"
46		#include "send.h"
47		#include "memory.h"
48	<	#include "channel.h" /* chcap_usage_counts stuff...*/
48	>	#include "channel.h"
49		#include "parse.h"
50
51		#define MIN_CONN_FREQ 300
52
53		dlink_list flatten_links;
54	<	static dlink_list cap_list = { NULL, NULL, 0 };
55	<	static void server_burst(struct Client *);
60	<	static void burst_all(struct Client *);
61	<	static void send_tb(struct Client *client_p, struct Channel *chptr);
62	<
63	<	static CNCB serv_connect_callback;
54	>	static dlink_list cap_list;
55	>	static void serv_connect_callback(fde_t *, int, void *);
56
65	–	static void burst_members(struct Client *, struct Channel *);
57
58		/*
59		* write_links_file
#	Line 73 | Line 64 | static void burst_members(struct Client
64		*                but in no particular order.
65		*/
66		void
67	<	write_links_file(void *notused)
67	>	write_links_file(void *unused)
68		{
69		FILE *file = NULL;
70	<	dlink_node *ptr = NULL, *ptr_next = NULL;
71	<	char buff[IRCD_BUFSIZE] = { '\0' };
70	>	dlink_node *node = NULL, *node_next = NULL;
71	>	char buff[IRCD_BUFSIZE] = "";
72
73		if ((file = fopen(LIPATH, "w")) == NULL)
74		return;
75
76	<	DLINK_FOREACH_SAFE(ptr, ptr_next, flatten_links.head)
76	>	DLINK_FOREACH_SAFE(node, node_next, flatten_links.head)
77		{
78	<	dlinkDelete(ptr, &flatten_links);
79	<	MyFree(ptr->data);
80	<	free_dlink_node(ptr);
78	>	dlinkDelete(node, &flatten_links);
79	>	MyFree(node->data);
80	>	free_dlink_node(node);
81		}
82
83	<	DLINK_FOREACH(ptr, global_serv_list.head)
83	>	DLINK_FOREACH(node, global_server_list.head)
84		{
85	<	const struct Client *target_p = ptr->data;
85	>	const struct Client *target_p = node->data;
86
87		/*
88		* Skip hidden servers, aswell as ourselves, since we already send
#	Line 126 | Line 117 | read_links_file(void)
117		{
118		FILE *file = NULL;
119		char *p = NULL;
120	<	char buff[IRCD_BUFSIZE] = { '\0' };
120	>	char buff[IRCD_BUFSIZE] = "";
121
122		if ((file = fopen(LIPATH, "r")) == NULL)
123		return;
124
125		while (fgets(buff, sizeof(buff), file))
126		{
127	<	if ((p = strchr(buff, '\n')) != NULL)
127	>	if ((p = strchr(buff, '\n')))
128		*p = '\0';
129
130		dlinkAddTail(xstrdup(buff), make_dlink_node(), &flatten_links);
#	Line 162 | Line 153 | read_links_file(void)
153		*      returns: (see #defines)
154		*/
155		int
156	<	hunt_server(struct Client *client_p, struct Client *source_p, const char *command,
156	>	hunt_server(struct Client *source_p, const char *command,
157		const int server, const int parc, char *parv[])
158		{
159		struct Client *target_p = NULL;
160	<	struct Client *target_tmp = NULL;
170	<	dlink_node *ptr;
171	<	int wilds;
160	>	dlink_node *node = NULL;
161
162		/* Assume it's me, if no server */
163		if (parc <= server || EmptyString(parv[server]))
164		return HUNTED_ISME;
165
166	<	if (!strcmp(parv[server], me.id) || !match(parv[server], me.name))
167	<	return HUNTED_ISME;
166	>	if ((target_p = find_person(source_p, parv[server])) == NULL)
167	>	target_p = hash_find_server(parv[server]);
168
169	<	/* These are to pickup matches that would cause the following
169	>	/*
170	>	* These are to pickup matches that would cause the following
171		* message to go in the wrong direction while doing quick fast
172		* non-matching lookups.
173		*/
184	–	if (MyClient(source_p))
185	–	target_p = hash_find_client(parv[server]);
186	–	else
187	–	target_p = find_person(client_p, parv[server]);
188	–
174		if (target_p)
175		if (target_p->from == source_p->from && !MyConnect(target_p))
176		target_p = NULL;
177
178	<	if (target_p == NULL && (target_p = hash_find_server(parv[server])))
194	<	if (target_p->from == source_p->from && !MyConnect(target_p))
195	<	target_p = NULL;
196	<
197	<	wilds = has_wildcards(parv[server]);
198	<
199	<	/* Again, if there are no wild cards involved in the server
200	<	* name, use the hash lookup
201	<	*/
202	<	if (target_p == NULL)
178	>	if (!target_p && has_wildcards(parv[server]))
179		{
180	<	if (!wilds)
205	<	{
206	<	if (!(target_p = hash_find_server(parv[server])))
207	<	{
208	<	sendto_one(source_p, form_str(ERR_NOSUCHSERVER),
209	<	me.name, source_p->name, parv[server]);
210	<	return HUNTED_NOSUCH;
211	<	}
212	<	}
213	<	else
180	>	DLINK_FOREACH(node, global_client_list.head)
181		{
182	<	DLINK_FOREACH(ptr, global_client_list.head)
216	<	{
217	<	target_tmp = ptr->data;
182	>	struct Client *tmp = node->data;
183
184	<	if (!match(parv[server], target_tmp->name))
185	<	{
186	<	if (target_tmp->from == source_p->from && !MyConnect(target_tmp))
187	<	continue;
188	<	target_p = ptr->data;
184	>	assert(IsMe(tmp) || IsServer(tmp) || IsClient(tmp));
185	>	if (!match(parv[server], tmp->name))
186	>	{
187	>	if (tmp->from == source_p->from && !MyConnect(tmp))
188	>	continue;
189
190	<	if (IsRegistered(target_p) && (target_p != client_p))
191	<	break;
227	<	}
190	>	target_p = node->data;
191	>	break;
192		}
193		}
194		}
195
196	<	if (target_p != NULL)
196	>	if (target_p)
197		{
198	<	if(!IsRegistered(target_p))
235	<	{
236	<	sendto_one(source_p, form_str(ERR_NOSUCHSERVER),
237	<	me.name, source_p->name, parv[server]);
238	<	return HUNTED_NOSUCH;
239	<	}
240	<
198	>	assert(IsMe(target_p) || IsServer(target_p) || IsClient(target_p));
199		if (IsMe(target_p) || MyClient(target_p))
200		return HUNTED_ISME;
201
202	<	if (match(target_p->name, parv[server]))
203	<	parv[server] = target_p->name;
246	<
247	<	/* This is a little kludgy but should work... */
248	<	if (IsClient(source_p) &&
249	<	((MyConnect(target_p) && IsCapable(target_p, CAP_TS6)) ||
250	<	(!MyConnect(target_p) && IsCapable(target_p->from, CAP_TS6))))
251	<	parv[0] = ID(source_p);
252	<
253	<	sendto_one(target_p, command, parv[0],
202	>	parv[server] = target_p->id;
203	>	sendto_one(target_p, command, source_p->id,
204		parv[1], parv[2], parv[3], parv[4],
205		parv[5], parv[6], parv[7], parv[8]);
206		return HUNTED_PASS;
207	<	}
207	>	}
208
209	<	sendto_one(source_p, form_str(ERR_NOSUCHSERVER),
260	<	me.name, source_p->name, parv[server]);
209	>	sendto_one_numeric(source_p, &me, ERR_NOSUCHSERVER, parv[server]);
210		return HUNTED_NOSUCH;
211		}
212
#	Line 274 | Line 223 | hunt_server(struct Client *client_p, str
223		void
224		try_connections(void *unused)
225		{
226	<	dlink_node *ptr = NULL;
227	<	struct MaskItem *conf;
279	<	int confrq;
226	>	dlink_node *node = NULL;
227	>	int confrq = 0;
228
229		/* TODO: change this to set active flag to 0 when added to event! --Habeeb */
230		if (GlobalSetOptions.autoconn == 0)
231		return;
232
233	<	DLINK_FOREACH(ptr, server_items.head)
233	>	DLINK_FOREACH(node, server_items.head)
234		{
235	<	conf = ptr->data;
235	>	struct MaskItem *conf = node->data;
236
237		assert(conf->type == CONF_SERVER);
238
239	<	/* Also when already connecting! (update holdtimes) --SRB
239	>	/* Also when already connecting! (update holdtimes) --SRB
240		*/
241	<	if (!conf->port ||!IsConfAllowAutoConn(conf))
241	>	if (!conf->port || !IsConfAllowAutoConn(conf))
242		continue;
243
244
#	Line 303 | Line 251 | try_connections(void *unused)
251		if (conf->until > CurrentTime)
252		continue;
253
254	<	if (conf->class == NULL)
255	<	confrq = DEFAULT_CONNECTFREQUENCY;
256	<	else
257	<	{
258	<	confrq = conf->class->con_freq;
311	<	if (confrq < MIN_CONN_FREQ)
312	<	confrq = MIN_CONN_FREQ;
313	<	}
254	>	assert(conf->class);
255	>
256	>	confrq = conf->class->con_freq;
257	>	if (confrq < MIN_CONN_FREQ)
258	>	confrq = MIN_CONN_FREQ;
259
260		conf->until = CurrentTime + confrq;
261
262	<	/* Found a CONNECT config with port specified, scan clients
262	>	/*
263	>	* Found a CONNECT config with port specified, scan clients
264		* and see if this server is already connected?
265		*/
266	<	if (hash_find_server(conf->name) != NULL)
266	>	if (hash_find_server(conf->name))
267		continue;
268
269		if (conf->class->ref_count < conf->class->max_total)
270		{
271		/* Go to the end of the list, if not already last */
272	<	if (ptr->next != NULL)
272	>	if (node->next)
273		{
274	<	dlinkDelete(ptr, &server_items);
274	>	dlinkDelete(node, &server_items);
275		dlinkAddTail(conf, &conf->node, &server_items);
276		}
277
278		if (find_servconn_in_progress(conf->name))
279		return;
280
281	<	/* We used to only print this if serv_connect() actually
281	>	/*
282	>	* We used to only print this if serv_connect() actually
283		* succeeded, but since comm_tcp_connect() can call the callback
284		* immediately if there is an error, we were getting error messages
285		* in the wrong order. SO, we just print out the activated line,
#	Line 359 | Line 306 | try_connections(void *unused)
306		int
307		valid_servname(const char *name)
308		{
309	<	unsigned int length = 0;
363	<	unsigned int dots   = 0;
309	>	unsigned int dots = 0;
310		const char *p = name;
311
312		for (; *p; ++p)
#	Line 368 | Line 314 | valid_servname(const char *name)
314		if (!IsServChar(*p))
315		return 0;
316
371	–	++length;
372	–
317		if (*p == '.')
318		++dots;
319		}
320
321	<	return dots != 0 && length <= HOSTLEN;
321	>	return dots && (p - name) <= HOSTLEN;
322		}
323
324		int
325		check_server(const char *name, struct Client *client_p)
326		{
327	<	dlink_node *ptr;
327	>	dlink_node *node = NULL;
328		struct MaskItem *conf        = NULL;
329		struct MaskItem *server_conf = NULL;
330		int error = -1;
331
332	<	assert(client_p != NULL);
332	>	assert(client_p);
333
334		/* loop through looking for all possible connect items that might work */
335	<	DLINK_FOREACH(ptr, server_items.head)
335	>	DLINK_FOREACH(node, server_items.head)
336		{
337	<	conf = ptr->data;
337	>	conf = node->data;
338
339		if (match(name, conf->name))
340		continue;
#	Line 399 | Line 343 | check_server(const char *name, struct Cl
343
344		/* XXX: Fix me for IPv6                    */
345		/* XXX sockhost is the IPv4 ip as a string */
346	<	if (!match(conf->host, client_p->host) ||
346	>	if (!match(conf->host, client_p->host) ||
347		!match(conf->host, client_p->sockhost))
348		{
349		error = -2;
350
351	<	if (!match_conf_password(client_p->localClient->passwd, conf))
351	>	if (!match_conf_password(client_p->connection->password, conf))
352		return -2;
353
354		if (!EmptyString(conf->certfp))
355	<	if (client_p->certfp[0] == '\0' || strcasecmp(client_p->certfp, conf->certfp))
355	>	if (EmptyString(client_p->certfp) || strcasecmp(client_p->certfp, conf->certfp))
356		return -4;
357
358		server_conf = conf;
#	Line 421 | Line 365 | check_server(const char *name, struct Cl
365		attach_conf(client_p, server_conf);
366
367
368	<	if (server_conf != NULL)
368	>	if (server_conf)
369		{
370		struct sockaddr_in *v4;
427	–	#ifdef IPV6
371		struct sockaddr_in6 *v6;
372	<	#endif
372	>
373		switch (server_conf->aftype)
374		{
375	<	#ifdef IPV6
433	<	case AF_INET6:
375	>	case AF_INET6:
376		v6 = (struct sockaddr_in6 *)&server_conf->addr;
377
378		if (IN6_IS_ADDR_UNSPECIFIED(&v6->sin6_addr))
379	<	memcpy(&server_conf->addr, &client_p->localClient->ip, sizeof(struct irc_ssaddr));
379	>	memcpy(&server_conf->addr, &client_p->connection->ip, sizeof(struct irc_ssaddr));
380		break;
439	–	#endif
381		case AF_INET:
382		v4 = (struct sockaddr_in *)&server_conf->addr;
383
384		if (v4->sin_addr.s_addr == INADDR_NONE)
385	<	memcpy(&server_conf->addr, &client_p->localClient->ip, sizeof(struct irc_ssaddr));
385	>	memcpy(&server_conf->addr, &client_p->connection->ip, sizeof(struct irc_ssaddr));
386		break;
387		}
388		}
#	Line 461 | Line 402 | check_server(const char *name, struct Cl
402		void
403		add_capability(const char *capab_name, int cap_flag, int add_to_default)
404		{
405	<	struct Capability *cap = MyMalloc(sizeof(*cap));
405	>	struct Capability *cap = MyCalloc(sizeof(*cap));
406
407		cap->name = xstrdup(capab_name);
408		cap->cap = cap_flag;
#	Line 480 | Line 421 | add_capability(const char *capab_name, i
421		int
422		delete_capability(const char *capab_name)
423		{
424	<	dlink_node *ptr;
484	<	dlink_node *next_ptr;
485	<	struct Capability *cap;
424	>	dlink_node *node = NULL, *node_next = NULL;
425
426	<	DLINK_FOREACH_SAFE(ptr, next_ptr, cap_list.head)
426	>	DLINK_FOREACH_SAFE(node, node_next, cap_list.head)
427		{
428	<	cap = ptr->data;
428	>	struct Capability *cap = node->data;
429
430	<	if (cap->cap != 0)
430	>	if (cap->cap)
431		{
432	<	if (irccmp(cap->name, capab_name) == 0)
432	>	if (!irccmp(cap->name, capab_name))
433		{
434		default_server_capabs &= ~(cap->cap);
435	<	dlinkDelete(ptr, &cap_list);
435	>	dlinkDelete(node, &cap_list);
436		MyFree(cap->name);
437		MyFree(cap);
438		}
#	Line 513 | Line 452 | delete_capability(const char *capab_name
452		unsigned int
453		find_capability(const char *capab)
454		{
455	<	const dlink_node *ptr = NULL;
455	>	const dlink_node *node = NULL;
456
457	<	DLINK_FOREACH(ptr, cap_list.head)
457	>	DLINK_FOREACH(node, cap_list.head)
458		{
459	<	const struct Capability *cap = ptr->data;
459	>	const struct Capability *cap = node->data;
460
461		if (cap->cap && !irccmp(cap->name, capab))
462		return cap->cap;
#	Line 537 | Line 476 | find_capability(const char *capab)
476		void
477		send_capabilities(struct Client *client_p, int cap_can_send)
478		{
479	<	struct Capability *cap=NULL;
480	<	char msgbuf[IRCD_BUFSIZE];
542	<	char *t;
543	<	int tl;
544	<	dlink_node *ptr;
479	>	char buf[IRCD_BUFSIZE] = "";
480	>	const dlink_node *node = NULL;
481
482	<	t = msgbuf;
547	<
548	<	DLINK_FOREACH(ptr, cap_list.head)
482	>	DLINK_FOREACH(node, cap_list.head)
483		{
484	<	cap = ptr->data;
484	>	const struct Capability *cap = node->data;
485
486		if (cap->cap & (cap_can_send|default_server_capabs))
487		{
488	<	tl = sprintf(t, "%s ", cap->name);
489	<	t += tl;
488	>	strlcat(buf, cap->name, sizeof(buf));
489	>	if (node->next)
490	>	strlcat(buf, " ", sizeof(buf));
491		}
492		}
493
494	<	*(t - 1) = '\0';
560	<	sendto_one(client_p, "CAPAB :%s", msgbuf);
561	<	}
562	<
563	<	/* sendnick_TS()
564	<	*
565	<	* inputs       - client (server) to send nick towards
566	<	*          - client to send nick for
567	<	* output       - NONE
568	<	* side effects - NICK message is sent towards given client_p
569	<	*/
570	<	void
571	<	sendnick_TS(struct Client *client_p, struct Client *target_p)
572	<	{
573	<	static char ubuf[12];
574	<
575	<	if (!IsClient(target_p))
576	<	return;
577	<
578	<	send_umode(NULL, target_p, 0, SEND_UMODES, ubuf);
579	<
580	<	if (ubuf[0] == '\0')
581	<	{
582	<	ubuf[0] = '+';
583	<	ubuf[1] = '\0';
584	<	}
585	<
586	<	if (IsCapable(client_p, CAP_SVS))
587	<	{
588	<	if (HasID(target_p) && IsCapable(client_p, CAP_TS6))
589	<	sendto_one(client_p, ":%s UID %s %d %lu %s %s %s %s %s %s :%s",
590	<	target_p->servptr->id,
591	<	target_p->name, target_p->hopcount + 1,
592	<	(unsigned long) target_p->tsinfo,
593	<	ubuf, target_p->username, target_p->host,
594	<	(MyClient(target_p) && IsIPSpoof(target_p)) ?
595	<	"0" : target_p->sockhost, target_p->id,
596	<	target_p->svid, target_p->info);
597	<	else
598	<	sendto_one(client_p, "NICK %s %d %lu %s %s %s %s %s :%s",
599	<	target_p->name, target_p->hopcount + 1,
600	<	(unsigned long) target_p->tsinfo,
601	<	ubuf, target_p->username, target_p->host,
602	<	target_p->servptr->name, target_p->svid,
603	<	target_p->info);
604	<	}
605	<	else
606	<	{
607	<	if (HasID(target_p) && IsCapable(client_p, CAP_TS6))
608	<	sendto_one(client_p, ":%s UID %s %d %lu %s %s %s %s %s :%s",
609	<	target_p->servptr->id,
610	<	target_p->name, target_p->hopcount + 1,
611	<	(unsigned long) target_p->tsinfo,
612	<	ubuf, target_p->username, target_p->host,
613	<	(MyClient(target_p) && IsIPSpoof(target_p)) ?
614	<	"0" : target_p->sockhost, target_p->id, target_p->info);
615	<	else
616	<	sendto_one(client_p, "NICK %s %d %lu %s %s %s %s :%s",
617	<	target_p->name, target_p->hopcount + 1,
618	<	(unsigned long) target_p->tsinfo,
619	<	ubuf, target_p->username, target_p->host,
620	<	target_p->servptr->name, target_p->info);
621	<	}
622	<
623	<	if (target_p->certfp[0])
624	<	sendto_one(client_p, ":%s CERTFP %s",
625	<	ID_or_name(target_p, client_p), target_p->certfp);
626	<
627	<	if (target_p->away[0])
628	<	sendto_one(client_p, ":%s AWAY :%s", ID_or_name(target_p, client_p),
629	<	target_p->away);
630	<
494	>	sendto_one(client_p, "CAPAB :%s", buf);
495		}
496
497		/*
#	Line 638 | Line 502 | sendnick_TS(struct Client *client_p, str
502		* side effects - build up string representing capabilities of server listed
503		*/
504		const char *
505	<	show_capabilities(struct Client *target_p)
505	>	show_capabilities(const struct Client *target_p)
506		{
507	<	static char msgbuf[IRCD_BUFSIZE];
508	<	char *t = msgbuf;
645	<	dlink_node *ptr;
507	>	static char msgbuf[IRCD_BUFSIZE] = "";
508	>	const dlink_node *node = NULL;
509
510	<	t += sprintf(msgbuf, "TS ");
510	>	strlcpy(msgbuf, "TS", sizeof(msgbuf));
511
512	<	DLINK_FOREACH(ptr, cap_list.head)
512	>	DLINK_FOREACH(node, cap_list.head)
513		{
514	<	const struct Capability *cap = ptr->data;
514	>	const struct Capability *cap = node->data;
515	>
516	>	if (!IsCapable(target_p, cap->cap))
517	>	continue;
518
519	<	if (IsCapable(target_p, cap->cap))
520	<	t += sprintf(t, "%s ", cap->name);
519	>	strlcat(msgbuf,       " ", sizeof(msgbuf));
520	>	strlcat(msgbuf, cap->name, sizeof(msgbuf));
521		}
522
657	–	*(t - 1) = '\0';
523		return msgbuf;
524		}
525
#	Line 669 | Line 534 | struct Server *
534		make_server(struct Client *client_p)
535		{
536		if (client_p->serv == NULL)
537	<	client_p->serv = MyMalloc(sizeof(struct Server));
537	>	client_p->serv = MyCalloc(sizeof(struct Server));
538
539		return client_p->serv;
540		}
541
677	–	/* server_estab()
678	–	*
679	–	* inputs       - pointer to a struct Client
680	–	* output       -
681	–	* side effects -
682	–	*/
683	–	void
684	–	server_estab(struct Client *client_p)
685	–	{
686	–	struct Client *target_p;
687	–	struct MaskItem *conf = NULL;
688	–	char *host;
689	–	const char *inpath;
690	–	static char inpath_ip[HOSTLEN * 2 + USERLEN + 6];
691	–	dlink_node *ptr;
692	–	#ifdef HAVE_LIBCRYPTO
693	–	const COMP_METHOD *compression = NULL, *expansion = NULL;
694	–	#endif
695	–
696	–	assert(client_p != NULL);
697	–
698	–	strlcpy(inpath_ip, get_client_name(client_p, SHOW_IP), sizeof(inpath_ip));
699	–
700	–	inpath = get_client_name(client_p, MASK_IP); /* "refresh" inpath with host */
701	–	host   = client_p->name;
702	–
703	–	if ((conf = find_conf_name(&client_p->localClient->confs, host, CONF_SERVER))
704	–	== NULL)
705	–	{
706	–	/* This shouldn't happen, better tell the ops... -A1kmm */
707	–	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
708	–	"Warning: Lost connect{} block "
709	–	"for server %s(this shouldn't happen)!", host);
710	–	exit_client(client_p, &me, "Lost connect{} block!");
711	–	return;
712	–	}
713	–
714	–	MyFree(client_p->localClient->passwd);
715	–	client_p->localClient->passwd = NULL;
716	–
717	–	/* Its got identd, since its a server */
718	–	SetGotId(client_p);
719	–
720	–	/* If there is something in the serv_list, it might be this
721	–	* connecting server..
722	–	*/
723	–	if (!ServerInfo.hub && serv_list.head)
724	–	{
725	–	if (client_p != serv_list.head->data || serv_list.head->next)
726	–	{
727	–	++ServerStats.is_ref;
728	–	sendto_one(client_p, "ERROR :I'm a leaf not a hub");
729	–	exit_client(client_p, &me, "I'm a leaf");
730	–	return;
731	–	}
732	–	}
733	–
734	–	if (IsUnknown(client_p))
735	–	{
736	–	sendto_one(client_p, "PASS %s TS %d %s", conf->spasswd, TS_CURRENT, me.id);
737	–
738	–	send_capabilities(client_p, 0);
739	–
740	–	sendto_one(client_p, "SERVER %s 1 :%s%s",
741	–	me.name, ConfigServerHide.hidden ? "(H) " : "", me.info);
742	–	}
743	–
744	–	sendto_one(client_p, "SVINFO %d %d 0 :%lu", TS_CURRENT, TS_MIN,
745	–	(unsigned long)CurrentTime);
746	–
747	–	/* assumption here is if they passed the correct TS version, they also passed an SID */
748	–	if (IsCapable(client_p, CAP_TS6))
749	–	hash_add_id(client_p);
750	–
751	–	/* XXX Does this ever happen? I don't think so -db */
752	–	detach_conf(client_p, CONF_OPER);
753	–
754	–	/* *WARNING*
755	–	**    In the following code in place of plain server's
756	–	**    name we send what is returned by get_client_name
757	–	**    which may add the "sockhost" after the name. It's
758	–	**    *very* *important* that there is a SPACE between
759	–	**    the name and sockhost (if present). The receiving
760	–	**    server will start the information field from this
761	–	**    first blank and thus puts the sockhost into info.
762	–	**    ...a bit tricky, but you have been warned, besides
763	–	**    code is more neat this way...  --msa
764	–	*/
765	–	client_p->servptr = &me;
766	–
767	–	if (IsClosing(client_p))
768	–	return;
769	–
770	–	SetServer(client_p);
771	–
772	–	/* Update the capability combination usage counts. -A1kmm */
773	–	set_chcap_usage_counts(client_p);
774	–
775	–	/* Some day, all these lists will be consolidated *sigh* */
776	–	dlinkAdd(client_p, &client_p->lnode, &me.serv->server_list);
777	–
778	–	assert(dlinkFind(&unknown_list, client_p));
779	–
780	–	dlink_move_node(&client_p->localClient->lclient_node,
781	–	&unknown_list, &serv_list);
782	–
783	–	Count.myserver++;
784	–
785	–	dlinkAdd(client_p, make_dlink_node(), &global_serv_list);
786	–	hash_add_client(client_p);
787	–
788	–	/* doesnt duplicate client_p->serv if allocated this struct already */
789	–	make_server(client_p);
790	–
791	–	/* fixing eob timings.. -gnp */
792	–	client_p->localClient->firsttime = CurrentTime;
793	–
794	–	if (find_matching_name_conf(CONF_SERVICE, client_p->name, NULL, NULL, 0))
795	–	AddFlag(client_p, FLAGS_SERVICE);
796	–
797	–	/* Show the real host/IP to admins */
798	–	#ifdef HAVE_LIBCRYPTO
799	–	if (client_p->localClient->fd.ssl)
800	–	{
801	–	compression = SSL_get_current_compression(client_p->localClient->fd.ssl);
802	–	expansion   = SSL_get_current_expansion(client_p->localClient->fd.ssl);
803	–
804	–	sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
805	–	"Link with %s established: [SSL: %s, Compression/Expansion method: %s/%s] (Capabilities: %s)",
806	–	inpath_ip, ssl_get_cipher(client_p->localClient->fd.ssl),
807	–	compression ? SSL_COMP_get_name(compression) : "NONE",
808	–	expansion ? SSL_COMP_get_name(expansion) : "NONE",
809	–	show_capabilities(client_p));
810	–	/* Now show the masked hostname/IP to opers */
811	–	sendto_realops_flags(UMODE_ALL, L_OPER, SEND_NOTICE,
812	–	"Link with %s established: [SSL: %s, Compression/Expansion method: %s/%s] (Capabilities: %s)",
813	–	inpath, ssl_get_cipher(client_p->localClient->fd.ssl),
814	–	compression ? SSL_COMP_get_name(compression) : "NONE",
815	–	expansion ? SSL_COMP_get_name(expansion) : "NONE",
816	–	show_capabilities(client_p));
817	–	ilog(LOG_TYPE_IRCD, "Link with %s established: [SSL: %s, Compression/Expansion method: %s/%s] (Capabilities: %s)",
818	–	inpath_ip, ssl_get_cipher(client_p->localClient->fd.ssl),
819	–	compression ? SSL_COMP_get_name(compression) : "NONE",
820	–	expansion ? SSL_COMP_get_name(expansion) : "NONE",
821	–	show_capabilities(client_p));
822	–	}
823	–	else
824	–	#endif
825	–	{
826	–	sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
827	–	"Link with %s established: (Capabilities: %s)",
828	–	inpath_ip, show_capabilities(client_p));
829	–	/* Now show the masked hostname/IP to opers */
830	–	sendto_realops_flags(UMODE_ALL, L_OPER, SEND_NOTICE,
831	–	"Link with %s established: (Capabilities: %s)",
832	–	inpath, show_capabilities(client_p));
833	–	ilog(LOG_TYPE_IRCD, "Link with %s established: (Capabilities: %s)",
834	–	inpath_ip, show_capabilities(client_p));
835	–	}
836	–
837	–	fd_note(&client_p->localClient->fd, "Server: %s", client_p->name);
838	–
839	–	/* Old sendto_serv_but_one() call removed because we now
840	–	** need to send different names to different servers
841	–	** (domain name matching) Send new server to other servers.
842	–	*/
843	–	DLINK_FOREACH(ptr, serv_list.head)
844	–	{
845	–	target_p = ptr->data;
846	–
847	–	if (target_p == client_p)
848	–	continue;
849	–
850	–	if (IsCapable(target_p, CAP_TS6) && HasID(client_p))
851	–	sendto_one(target_p, ":%s SID %s 2 %s :%s%s",
852	–	me.id, client_p->name, client_p->id,
853	–	IsHidden(client_p) ? "(H) " : "",
854	–	client_p->info);
855	–	else
856	–	sendto_one(target_p,":%s SERVER %s 2 :%s%s",
857	–	me.name, client_p->name,
858	–	IsHidden(client_p) ? "(H) " : "",
859	–	client_p->info);
860	–	}
861	–
862	–	/* Pass on my client information to the new server
863	–	**
864	–	** First, pass only servers (idea is that if the link gets
865	–	** cancelled beacause the server was already there,
866	–	** there are no NICK's to be cancelled...). Of course,
867	–	** if cancellation occurs, all this info is sent anyway,
868	–	** and I guess the link dies when a read is attempted...? --msa
869	–	**
870	–	** Note: Link cancellation to occur at this point means
871	–	** that at least two servers from my fragment are building
872	–	** up connection this other fragment at the same time, it's
873	–	** a race condition, not the normal way of operation...
874	–	**
875	–	** ALSO NOTE: using the get_client_name for server names--
876	–	**    see previous *WARNING*!!! (Also, original inpath
877	–	**    is destroyed...)
878	–	*/
879	–
880	–	DLINK_FOREACH_PREV(ptr, global_serv_list.tail)
881	–	{
882	–	target_p = ptr->data;
883	–
884	–	/* target_p->from == target_p for target_p == client_p */
885	–	if (IsMe(target_p) || target_p->from == client_p)
886	–	continue;
887	–
888	–	if (IsCapable(client_p, CAP_TS6))
889	–	{
890	–	if (HasID(target_p))
891	–	sendto_one(client_p, ":%s SID %s %d %s :%s%s",
892	–	ID(target_p->servptr), target_p->name, target_p->hopcount+1,
893	–	target_p->id, IsHidden(target_p) ? "(H) " : "",
894	–	target_p->info);
895	–	else  /* introducing non-ts6 server */
896	–	sendto_one(client_p, ":%s SERVER %s %d :%s%s",
897	–	ID(target_p->servptr), target_p->name, target_p->hopcount+1,
898	–	IsHidden(target_p) ? "(H) " : "", target_p->info);
899	–	}
900	–	else
901	–	sendto_one(client_p, ":%s SERVER %s %d :%s%s",
902	–	target_p->servptr->name, target_p->name, target_p->hopcount+1,
903	–	IsHidden(target_p) ? "(H) " : "", target_p->info);
904	–
905	–	if (HasFlag(target_p, FLAGS_EOB))
906	–	sendto_one(client_p, ":%s EOB", ID_or_name(client_p, target_p));
907	–	}
908	–
909	–	server_burst(client_p);
910	–	}
911	–
912	–	/* server_burst()
913	–	*
914	–	* inputs       - struct Client pointer server
915	–	*              -
916	–	* output       - none
917	–	* side effects - send a server burst
918	–	* bugs         - still too long
919	–	*/
920	–	static void
921	–	server_burst(struct Client *client_p)
922	–	{
923	–	/* Send it in the shortened format with the TS, if
924	–	** it's a TS server; walk the list of channels, sending
925	–	** all the nicks that haven't been sent yet for each
926	–	** channel, then send the channel itself -- it's less
927	–	** obvious than sending all nicks first, but on the
928	–	** receiving side memory will be allocated more nicely
929	–	** saving a few seconds in the handling of a split
930	–	** -orabidoo
931	–	*/
932	–
933	–	burst_all(client_p);
934	–
935	–	/* EOB stuff is now in burst_all */
936	–	/* Always send a PING after connect burst is done */
937	–	sendto_one(client_p, "PING :%s", ID_or_name(&me, client_p));
938	–	}
939	–
940	–	/* burst_all()
941	–	*
942	–	* inputs       - pointer to server to send burst to
943	–	* output       - NONE
944	–	* side effects - complete burst of channels/nicks is sent to client_p
945	–	*/
946	–	static void
947	–	burst_all(struct Client *client_p)
948	–	{
949	–	dlink_node *ptr = NULL;
950	–
951	–	DLINK_FOREACH(ptr, global_channel_list.head)
952	–	{
953	–	struct Channel *chptr = ptr->data;
954	–
955	–	if (dlink_list_length(&chptr->members) != 0)
956	–	{
957	–	burst_members(client_p, chptr);
958	–	send_channel_modes(client_p, chptr);
959	–
960	–	if (IsCapable(client_p, CAP_TBURST))
961	–	send_tb(client_p, chptr);
962	–	}
963	–	}
964	–
965	–	/* also send out those that are not on any channel
966	–	*/
967	–	DLINK_FOREACH(ptr, global_client_list.head)
968	–	{
969	–	struct Client *target_p = ptr->data;
970	–
971	–	if (!HasFlag(target_p, FLAGS_BURSTED) && target_p->from != client_p)
972	–	sendnick_TS(client_p, target_p);
973	–
974	–	DelFlag(target_p, FLAGS_BURSTED);
975	–	}
976	–
977	–	if (IsCapable(client_p, CAP_EOB))
978	–	sendto_one(client_p, ":%s EOB", ID_or_name(&me, client_p));
979	–	}
980	–
981	–	/*
982	–	* send_tb
983	–	*
984	–	* inputs       - pointer to Client
985	–	*              - pointer to channel
986	–	* output       - NONE
987	–	* side effects - Called on a server burst when
988	–	*                server is CAP_TBURST capable
989	–	*/
990	–	static void
991	–	send_tb(struct Client *client_p, struct Channel *chptr)
992	–	{
993	–	/*
994	–	* We may also send an empty topic here, but only if topic_time isn't 0,
995	–	* i.e. if we had a topic that got unset.  This is required for syncing
996	–	* topics properly.
997	–	*
998	–	* Imagine the following scenario: Our downlink introduces a channel
999	–	* to us with a TS that is equal to ours, but the channel topic on
1000	–	* their side got unset while the servers were in splitmode, which means
1001	–	* their 'topic' is newer.  They simply wanted to unset it, so we have to
1002	–	* deal with it in a more sophisticated fashion instead of just resetting
1003	–	* it to their old topic they had before.  Read m_tburst.c:ms_tburst
1004	–	* for further information   -Michael
1005	–	*/
1006	–	if (chptr->topic_time != 0)
1007	–	sendto_one(client_p, ":%s TBURST %lu %s %lu %s :%s",
1008	–	ID_or_name(&me, client_p),
1009	–	(unsigned long)chptr->channelts, chptr->chname,
1010	–	(unsigned long)chptr->topic_time,
1011	–	chptr->topic_info,
1012	–	chptr->topic);
1013	–	}
1014	–
1015	–	/* burst_members()
1016	–	*
1017	–	* inputs       - pointer to server to send members to
1018	–	*              - dlink_list pointer to membership list to send
1019	–	* output       - NONE
1020	–	* side effects -
1021	–	*/
1022	–	static void
1023	–	burst_members(struct Client *client_p, struct Channel *chptr)
1024	–	{
1025	–	struct Client *target_p;
1026	–	struct Membership *ms;
1027	–	dlink_node *ptr;
1028	–
1029	–	DLINK_FOREACH(ptr, chptr->members.head)
1030	–	{
1031	–	ms       = ptr->data;
1032	–	target_p = ms->client_p;
1033	–
1034	–	if (!HasFlag(target_p, FLAGS_BURSTED))
1035	–	{
1036	–	AddFlag(target_p, FLAGS_BURSTED);
1037	–
1038	–	if (target_p->from != client_p)
1039	–	sendnick_TS(client_p, target_p);
1040	–	}
1041	–	}
1042	–	}
1043	–
542		/* New server connection code
543		* Based upon the stuff floating about in s_bsd.c
544		*   -- adrian
#	Line 1048 | Line 546 | burst_members(struct Client *client_p, s
546
547		/* serv_connect() - initiate a server connection
548		*
549	<	* inputs       - pointer to conf
549	>	* inputs       - pointer to conf
550		*              - pointer to client doing the connect
551		* output       -
552		* side effects -
#	Line 1065 | Line 563 | burst_members(struct Client *client_p, s
563		int
564		serv_connect(struct MaskItem *conf, struct Client *by)
565		{
566	<	struct Client *client_p;
567	<	char buf[HOSTIPLEN + 1];
566	>	struct Client *client_p = NULL;
567	>	char buf[HOSTIPLEN + 1] = "";
568
569		/* conversion structs */
570		struct sockaddr_in *v4;
1073	–	/* Make sure conf is useful */
1074	–	assert(conf != NULL);
571
572	+	/* Make sure conf is useful */
573	+	assert(conf);
574
575	<	getnameinfo((struct sockaddr *)&conf->addr, conf->addr.ss_len,
575	>	getnameinfo((const struct sockaddr *)&conf->addr, conf->addr.ss_len,
576		buf, sizeof(buf), NULL, 0, NI_NUMERICHOST);
577		ilog(LOG_TYPE_IRCD, "Connect to %s[%s] @%s", conf->name, conf->host,
578		buf);
#	Line 1085 | Line 583 | serv_connect(struct MaskItem *conf, stru
583		sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
584		"Error connecting to %s: DNS lookup for connect{} in progress.",
585		conf->name);
586	<	return (0);
586	>	return 0;
587		}
588
589		if (conf->dns_failed)
#	Line 1093 | Line 591 | serv_connect(struct MaskItem *conf, stru
591		sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
592		"Error connecting to %s: DNS lookup for connect{} failed.",
593		conf->name);
594	<	return (0);
594	>	return 0;
595		}
596
597		/* Make sure this server isn't already connected
598		* Note: conf should ALWAYS be a valid C: line
599		*/
600	<	if ((client_p = hash_find_server(conf->name)) != NULL)
601	<	{
600	>	if ((client_p = hash_find_server(conf->name)))
601	>	{
602		sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
603		"Server %s already present from %s",
604		conf->name, get_client_name(client_p, SHOW_IP));
#	Line 1108 | Line 606 | serv_connect(struct MaskItem *conf, stru
606		"Server %s already present from %s",
607		conf->name, get_client_name(client_p, MASK_IP));
608		if (by && IsClient(by) && !MyClient(by))
609	<	sendto_one(by, ":%s NOTICE %s :Server %s already present from %s",
610	<	me.name, by->name, conf->name,
1113	<	get_client_name(client_p, MASK_IP));
609	>	sendto_one_notice(by, &me, ":Server %s already present from %s",
610	>	conf->name, get_client_name(client_p, MASK_IP));
611		return 0;
612		}
613	<
613	>
614		/* Create a local client */
615		client_p = make_client(NULL);
616
#	Line 1124 | Line 621 | serv_connect(struct MaskItem *conf, stru
621		/* We already converted the ip once, so lets use it - stu */
622		strlcpy(client_p->sockhost, buf, sizeof(client_p->sockhost));
623
624	<	/* create a socket for the server connection */
625	<	if (comm_open(&client_p->localClient->fd, conf->addr.ss.ss_family,
1129	<	SOCK_STREAM, 0, NULL) < 0)
624	>	/* create a socket for the server connection */
625	>	if (comm_open(&client_p->connection->fd, conf->addr.ss.ss_family, SOCK_STREAM, 0, NULL) < 0)
626		{
627		/* Eek, failure to create the socket */
628	<	report_error(L_ALL, "opening stream socket to %s: %s",
629	<	conf->name, errno);
628	>	report_error(L_ALL, "opening stream socket to %s: %s", conf->name, errno);
629	>
630		SetDead(client_p);
631	<	exit_client(client_p, &me, "Connection failed");
631	>	exit_client(client_p, "Connection failed");
632		return 0;
633		}
634
635		/* servernames are always guaranteed under HOSTLEN chars */
636	<	fd_note(&client_p->localClient->fd, "Server: %s", conf->name);
636	>	fd_note(&client_p->connection->fd, "Server: %s", conf->name);
637
638		/* Attach config entries to client here rather than in
639		* serv_connect_callback(). This to avoid null pointer references.
#	Line 1145 | Line 641 | serv_connect(struct MaskItem *conf, stru
641		if (!attach_connect_block(client_p, conf->name, conf->host))
642		{
643		sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
644	<	"Host %s is not enabled for connecting: no connect{} block",
644	>	"Host %s is not enabled for connecting: no connect {} block",
645		conf->name);
646	<	if (by && IsClient(by) && !MyClient(by))
647	<	sendto_one(by, ":%s NOTICE %s :Connect to host %s failed.",
648	<	me.name, by->name, client_p->name);
646	>	if (by && IsClient(by) && !MyClient(by))
647	>	sendto_one_notice(by, &me, ":Connect to host %s failed: no connect {} block", client_p->name);
648	>
649		SetDead(client_p);
650	<	exit_client(client_p, client_p, "Connection failed");
650	>	exit_client(client_p, "Connection failed");
651		return 0;
652		}
653
#	Line 1169 | Line 665 | serv_connect(struct MaskItem *conf, stru
665		strlcpy(client_p->serv->by, "AutoConn.", sizeof(client_p->serv->by));
666
667		SetConnecting(client_p);
668	<	dlinkAdd(client_p, &client_p->node, &global_client_list);
1173	<	/* from def_fam */
1174	<	client_p->localClient->aftype = conf->aftype;
668	>	client_p->connection->aftype = conf->aftype;
669
670		/* Now, initiate the connection */
671	<	/* XXX assume that a non 0 type means a specific bind address
671	>	/* XXX assume that a non 0 type means a specific bind address
672		* for this connect.
673		*/
674		switch (conf->aftype)
675		{
676		case AF_INET:
677		v4 = (struct sockaddr_in*)&conf->bind;
678	<	if (v4->sin_addr.s_addr != 0)
678	>	if (v4->sin_addr.s_addr)
679		{
680		struct irc_ssaddr ipn;
681		memset(&ipn, 0, sizeof(struct irc_ssaddr));
682		ipn.ss.ss_family = AF_INET;
683		ipn.ss_port = 0;
684		memcpy(&ipn, &conf->bind, sizeof(struct irc_ssaddr));
685	<	comm_connect_tcp(&client_p->localClient->fd, conf->host, conf->port,
686	<	(struct sockaddr *)&ipn, ipn.ss_len,
685	>	comm_connect_tcp(&client_p->connection->fd, conf->host, conf->port,
686	>	(struct sockaddr *)&ipn, ipn.ss_len,
687		serv_connect_callback, client_p, conf->aftype,
688		CONNECTTIMEOUT);
689		}
690	<	else if (ServerInfo.specific_ipv4_vhost)
690	>	else if (ConfigServerInfo.specific_ipv4_vhost)
691		{
692		struct irc_ssaddr ipn;
693		memset(&ipn, 0, sizeof(struct irc_ssaddr));
694		ipn.ss.ss_family = AF_INET;
695		ipn.ss_port = 0;
696	<	memcpy(&ipn, &ServerInfo.ip, sizeof(struct irc_ssaddr));
697	<	comm_connect_tcp(&client_p->localClient->fd, conf->host, conf->port,
696	>	memcpy(&ipn, &ConfigServerInfo.ip, sizeof(struct irc_ssaddr));
697	>	comm_connect_tcp(&client_p->connection->fd, conf->host, conf->port,
698		(struct sockaddr *)&ipn, ipn.ss_len,
699		serv_connect_callback, client_p, conf->aftype,
700		CONNECTTIMEOUT);
701		}
702		else
703	<	comm_connect_tcp(&client_p->localClient->fd, conf->host, conf->port,
704	<	NULL, 0, serv_connect_callback, client_p, conf->aftype,
703	>	comm_connect_tcp(&client_p->connection->fd, conf->host, conf->port,
704	>	NULL, 0, serv_connect_callback, client_p, conf->aftype,
705		CONNECTTIMEOUT);
706		break;
1213	–	#ifdef IPV6
707		case AF_INET6:
708		{
709		struct irc_ssaddr ipn;
#	Line 1221 | Line 714 | serv_connect(struct MaskItem *conf, stru
714		v6conf = (struct sockaddr_in6 *)&conf->bind;
715		v6 = (struct sockaddr_in6 *)&ipn;
716
717	<	if (memcmp(&v6conf->sin6_addr, &v6->sin6_addr, sizeof(struct in6_addr)) != 0)
717	>	if (memcmp(&v6conf->sin6_addr, &v6->sin6_addr, sizeof(struct in6_addr)))
718		{
719		memcpy(&ipn, &conf->bind, sizeof(struct irc_ssaddr));
720		ipn.ss.ss_family = AF_INET6;
721		ipn.ss_port = 0;
722	<	comm_connect_tcp(&client_p->localClient->fd,
722	>	comm_connect_tcp(&client_p->connection->fd,
723		conf->host, conf->port,
724	<	(struct sockaddr *)&ipn, ipn.ss_len,
724	>	(struct sockaddr *)&ipn, ipn.ss_len,
725		serv_connect_callback, client_p,
726		conf->aftype, CONNECTTIMEOUT);
727		}
728	<	else if (ServerInfo.specific_ipv6_vhost)
728	>	else if (ConfigServerInfo.specific_ipv6_vhost)
729		{
730	<	memcpy(&ipn, &ServerInfo.ip6, sizeof(struct irc_ssaddr));
730	>	memcpy(&ipn, &ConfigServerInfo.ip6, sizeof(struct irc_ssaddr));
731		ipn.ss.ss_family = AF_INET6;
732		ipn.ss_port = 0;
733	<	comm_connect_tcp(&client_p->localClient->fd,
733	>	comm_connect_tcp(&client_p->connection->fd,
734		conf->host, conf->port,
735		(struct sockaddr *)&ipn, ipn.ss_len,
736		serv_connect_callback, client_p,
737		conf->aftype, CONNECTTIMEOUT);
738		}
739		else
740	<	comm_connect_tcp(&client_p->localClient->fd,
741	<	conf->host, conf->port,
740	>	comm_connect_tcp(&client_p->connection->fd,
741	>	conf->host, conf->port,
742		NULL, 0, serv_connect_callback, client_p,
743		conf->aftype, CONNECTTIMEOUT);
744		}
1252	–	#endif
745		}
746	+
747		return 1;
748		}
749
#	Line 1260 | Line 753 | finish_ssl_server_handshake(struct Clien
753		{
754		struct MaskItem *conf = NULL;
755
756	<	conf = find_conf_name(&client_p->localClient->confs,
756	>	conf = find_conf_name(&client_p->connection->confs,
757		client_p->name, CONF_SERVER);
758		if (conf == NULL)
759		{
#	Line 1269 | Line 762 | finish_ssl_server_handshake(struct Clien
762		sendto_realops_flags(UMODE_ALL, L_OPER, SEND_NOTICE,
763		"Lost connect{} block for %s", get_client_name(client_p, MASK_IP));
764
765	<	exit_client(client_p, &me, "Lost connect{} block");
765	>	exit_client(client_p, "Lost connect{} block");
766		return;
767		}
768
#	Line 1297 | Line 790 | finish_ssl_server_handshake(struct Clien
790
791		/* don't move to serv_list yet -- we haven't sent a burst! */
792		/* If we get here, we're ok, so lets start reading some data */
793	<	comm_setselect(&client_p->localClient->fd, COMM_SELECT_READ, read_packet, client_p, 0);
793	>	comm_setselect(&client_p->connection->fd, COMM_SELECT_READ, read_packet, client_p, 0);
794		}
795
796		static void
797	<	ssl_server_handshake(fde_t *fd, struct Client *client_p)
797	>	ssl_server_handshake(fde_t *fd, void *data)
798		{
799	<	int ret;
800	<	int err;
801	<
1309	<	ret = SSL_connect(client_p->localClient->fd.ssl);
799	>	struct Client *client_p = data;
800	>	X509 *cert = NULL;
801	>	int ret = 0;
802
803	<	if (ret <= 0)
803	>	if ((ret = SSL_connect(client_p->connection->fd.ssl)) <= 0)
804		{
805	<	switch ((err = SSL_get_error(client_p->localClient->fd.ssl, ret)))
805	>	if ((CurrentTime - client_p->connection->firsttime) > CONNECTTIMEOUT)
806	>	{
807	>	exit_client(client_p, "Timeout during SSL handshake");
808	>	return;
809	>	}
810	>
811	>	switch (SSL_get_error(client_p->connection->fd.ssl, ret))
812		{
813		case SSL_ERROR_WANT_WRITE:
814	<	comm_setselect(&client_p->localClient->fd, COMM_SELECT_WRITE,
815	<	(PF *)ssl_server_handshake, client_p, 0);
814	>	comm_setselect(&client_p->connection->fd, COMM_SELECT_WRITE,
815	>	ssl_server_handshake, client_p, CONNECTTIMEOUT);
816		return;
817		case SSL_ERROR_WANT_READ:
818	<	comm_setselect(&client_p->localClient->fd, COMM_SELECT_READ,
819	<	(PF *)ssl_server_handshake, client_p, 0);
818	>	comm_setselect(&client_p->connection->fd, COMM_SELECT_READ,
819	>	ssl_server_handshake, client_p, CONNECTTIMEOUT);
820		return;
821		default:
822		{
#	Line 1326 | Line 824 | ssl_server_handshake(fde_t *fd, struct C
824		sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
825		"Error connecting to %s: %s", client_p->name,
826		sslerr ? sslerr : "unknown SSL error");
827	<	exit_client(client_p, client_p, "Error during SSL handshake");
827	>	exit_client(client_p, "Error during SSL handshake");
828		return;
829		}
830		}
831		}
832
833	+	comm_settimeout(&client_p->connection->fd, 0, NULL, NULL);
834	+
835	+	if ((cert = SSL_get_peer_certificate(client_p->connection->fd.ssl)))
836	+	{
837	+	int res = SSL_get_verify_result(client_p->connection->fd.ssl);
838	+	char buf[EVP_MAX_MD_SIZE * 2 + 1] = "";
839	+	unsigned char md[EVP_MAX_MD_SIZE] = "";
840	+
841	+	if (res == X509_V_OK || res == X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN ||
842	+	res == X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE ||
843	+	res == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
844	+	{
845	+	unsigned int n = 0;
846	+
847	+	if (X509_digest(cert, ConfigServerInfo.message_digest_algorithm, md, &n))
848	+	{
849	+	binary_to_hex(md, buf, n);
850	+	client_p->certfp = xstrdup(buf);
851	+	}
852	+	}
853	+	else
854	+	ilog(LOG_TYPE_IRCD, "Server %s!%s@%s gave bad SSL client certificate: %d",
855	+	client_p->name, client_p->username, client_p->host, res);
856	+	X509_free(cert);
857	+	}
858	+
859		finish_ssl_server_handshake(client_p);
860		}
861
862		static void
863		ssl_connect_init(struct Client *client_p, struct MaskItem *conf, fde_t *fd)
864		{
865	<	if ((client_p->localClient->fd.ssl = SSL_new(ServerInfo.client_ctx)) == NULL)
865	>	if ((client_p->connection->fd.ssl = SSL_new(ConfigServerInfo.client_ctx)) == NULL)
866		{
867		ilog(LOG_TYPE_IRCD, "SSL_new() ERROR! -- %s",
868		ERR_error_string(ERR_get_error(), NULL));
869		SetDead(client_p);
870	<	exit_client(client_p, client_p, "SSL_new failed");
870	>	exit_client(client_p, "SSL_new failed");
871		return;
872		}
873
874		SSL_set_fd(fd->ssl, fd->fd);
875
876		if (!EmptyString(conf->cipher_list))
877	<	SSL_set_cipher_list(client_p->localClient->fd.ssl, conf->cipher_list);
877	>	SSL_set_cipher_list(client_p->connection->fd.ssl, conf->cipher_list);
878
879		ssl_server_handshake(NULL, client_p);
880		}
881		#endif
882
883		/* serv_connect_callback() - complete a server connection.
884	<	*
884	>	*
885		* This routine is called after the server connection attempt has
886		* completed. If unsucessful, an error is sent to ops and the client
887		* is closed. If sucessful, it goes through the initialisation/check
#	Line 1370 | Line 894 | serv_connect_callback(fde_t *fd, int sta
894		struct Client *client_p = data;
895		struct MaskItem *conf = NULL;
896
897	<	/* First, make sure its a real client! */
898	<	assert(client_p != NULL);
899	<	assert(&client_p->localClient->fd == fd);
897	>	/* First, make sure it's a real client! */
898	>	assert(client_p);
899	>	assert(&client_p->connection->fd == fd);
900
901		/* Next, for backward purposes, record the ip of the server */
902	<	memcpy(&client_p->localClient->ip, &fd->connect.hostaddr,
902	>	memcpy(&client_p->connection->ip, &fd->connect.hostaddr,
903		sizeof(struct irc_ssaddr));
904	+
905		/* Check the status */
906		if (status != COMM_OK)
907		{
#	Line 1405 | Line 930 | serv_connect_callback(fde_t *fd, int sta
930
931		/* COMM_OK, so continue the connection procedure */
932		/* Get the C/N lines */
933	<	conf = find_conf_name(&client_p->localClient->confs,
933	>	conf = find_conf_name(&client_p->connection->confs,
934		client_p->name, CONF_SERVER);
935		if (conf == NULL)
936		{
#	Line 1414 | Line 939 | serv_connect_callback(fde_t *fd, int sta
939		sendto_realops_flags(UMODE_ALL, L_OPER, SEND_NOTICE,
940		"Lost connect{} block for %s", get_client_name(client_p, MASK_IP));
941
942	<	exit_client(client_p, &me, "Lost connect{} block");
942	>	exit_client(client_p, "Lost connect{} block");
943		return;
944		}
945
#	Line 1439 | Line 964 | serv_connect_callback(fde_t *fd, int sta
964		/* If we've been marked dead because a send failed, just exit
965		* here now and save everyone the trouble of us ever existing.
966		*/
967	<	if (IsDead(client_p))
967	>	if (IsDead(client_p))
968		{
969		sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
970		"%s[%s] went dead during handshake",
#	Line 1469 | Line 994 | find_servconn_in_progress(const char *na
994		if (!match(name, cptr->name))
995		return cptr;
996		}
997	<
997	>
998		return NULL;
999		}

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