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

Comparing:
ircd-hybrid-7.2/src/s_serv.c (file contents), Revision 34 by lusky, Sun Oct 2 21:05:51 2005 UTC vs.
ircd-hybrid-8/src/s_serv.c (file contents), Revision 1294 by michael, Wed Feb 22 20:48:30 2012 UTC

#	Line 27 | Line 27
27		#include <openssl/rsa.h>
28		#include "rsa.h"
29		#endif
30	<	#include "tools.h"
30	>	#include "list.h"
31		#include "channel.h"
32		#include "channel_mode.h"
33		#include "client.h"
34	–	#include "common.h"
34		#include "dbuf.h"
35		#include "event.h"
36		#include "fdlist.h"
37		#include "hash.h"
38		#include "irc_string.h"
40	–	#include "inet_misc.h"
39		#include "sprintf_irc.h"
40		#include "ircd.h"
41		#include "ircd_defs.h"
42		#include "s_bsd.h"
45	–	#include "irc_getnameinfo.h"
46	–	#include "list.h"
43		#include "numeric.h"
44		#include "packet.h"
45		#include "irc_res.h"
46		#include "s_conf.h"
47		#include "s_serv.h"
48		#include "s_log.h"
53	–	#include "s_stats.h"
49		#include "s_user.h"
50		#include "send.h"
51		#include "memory.h"
52		#include "channel.h" /* chcap_usage_counts stuff...*/
53	+	#include "parse.h"
54
55		#define MIN_CONN_FREQ 300
56
61	–	struct Client *uplink  = NULL;
62	–
63	–
57		static dlink_list cap_list = { NULL, NULL, 0 };
65	–	static unsigned long freeMask;
58		static void server_burst(struct Client *);
59		static int fork_server(struct Client *);
60		static void burst_all(struct Client *);
69	–	static void cjoin_all(struct Client *);
61		static void send_tb(struct Client *client_p, struct Channel *chptr);
62
63		static CNCB serv_connect_callback;
64
65		static void start_io(struct Client *);
66		static void burst_members(struct Client *, struct Channel *);
76	–	static void burst_ll_members(struct Client *, struct Channel *);
77	–	static void add_lazylinkchannel(struct Client *, struct Channel *);
67
68		static SlinkRplHnd slink_error;
69		static SlinkRplHnd slink_zipstats;
#	Line 135 | Line 124 | slink_zipstats(unsigned int rpl, unsigne
124		struct Client *server_p)
125		{
126		struct ZipStats zipstats;
127	<	unsigned long in = 0, in_wire = 0, out = 0, out_wire = 0;
127	>	uint64_t in = 0, in_wire = 0, out = 0, out_wire = 0;
128		int i = 0;
129
130		assert(rpl == SLINKRPL_ZIPSTATS);
#	Line 195 | Line 184 | slink_zipstats(unsigned int rpl, unsigne
184		else
185		zipstats.out_ratio = 0;
186
187	<	memcpy(&server_p->localClient->zipstats, &zipstats, sizeof (struct ZipStats));
187	>	memcpy(&server_p->localClient->zipstats, &zipstats, sizeof(struct ZipStats));
188		}
189
190		void
191		collect_zipstats(void *unused)
192		{
193	<	dlink_node *ptr;
205	<	struct Client *target_p;
193	>	dlink_node *ptr = NULL;
194
195		DLINK_FOREACH(ptr, serv_list.head)
196		{
197	<	target_p = ptr->data;
197	>	struct Client *target_p = ptr->data;
198
199		if (IsCapable(target_p, CAP_ZIP))
200		{
#	Line 227 | Line 215 | collect_zipstats(void *unused)
215		struct EncCapability *
216		check_cipher(struct Client *client_p, struct AccessItem *aconf)
217		{
218	<	struct EncCapability *epref;
218	>	struct EncCapability *epref = NULL;
219
220		/* Use connect{} specific info if available */
221		if (aconf->cipher_preference)
222		epref = aconf->cipher_preference;
223	<	else
223	>	else if (ConfigFileEntry.default_cipher_preference)
224		epref = ConfigFileEntry.default_cipher_preference;
225
226	<	/* If the server supports the capability in hand, return the matching
226	>	/*
227	>	* If the server supports the capability in hand, return the matching
228		* conf struct.  Otherwise, return NULL (an error).
229		*/
230	<	if (IsCapableEnc(client_p, epref->cap))
231	<	return(epref);
230	>	if (epref && IsCapableEnc(client_p, epref->cap))
231	>	return epref;
232
233	<	return(NULL);
233	>	return NULL;
234		}
235		#endif /* HAVE_LIBCRYPTO */
236
248	–	/* my_name_for_link()
249	–	* return wildcard name of my server name
250	–	* according to given config entry --Jto
251	–	*/
252	–	const char *
253	–	my_name_for_link(struct ConfItem *conf)
254	–	{
255	–	struct AccessItem *aconf;
256	–
257	–	aconf = (struct AccessItem *)map_to_conf(conf);
258	–	if (aconf->fakename != NULL)
259	–	return(aconf->fakename);
260	–	else
261	–	return(me.name);
262	–	}
263	–
237		/*
238		* write_links_file
239		*
#	Line 394 | Line 367 | hunt_server(struct Client *client_p, str
367		* non-matching lookups.
368		*/
369		if (MyClient(source_p))
370	<	target_p = find_client(parv[server]);
370	>	target_p = hash_find_client(parv[server]);
371		else
372		target_p = find_person(client_p, parv[server]);
373
#	Line 402 | Line 375 | hunt_server(struct Client *client_p, str
375		if (target_p->from == source_p->from && !MyConnect(target_p))
376		target_p = NULL;
377
378	<	if (target_p == NULL && (target_p = find_server(parv[server])))
378	>	if (target_p == NULL && (target_p = hash_find_server(parv[server])))
379		if (target_p->from == source_p->from && !MyConnect(target_p))
380		target_p = NULL;
381
#	Line 416 | Line 389 | hunt_server(struct Client *client_p, str
389		{
390		if (!wilds)
391		{
392	<	if (!(target_p = find_server(parv[server])))
392	>	if (!(target_p = hash_find_server(parv[server])))
393		{
394		sendto_one(source_p, form_str(ERR_NOSUCHSERVER),
395	<	me.name, parv[0], parv[server]);
395	>	me.name, source_p->name, parv[server]);
396		return(HUNTED_NOSUCH);
397		}
398		}
#	Line 447 | Line 420 | hunt_server(struct Client *client_p, str
420		if(!IsRegistered(target_p))
421		{
422		sendto_one(source_p, form_str(ERR_NOSUCHSERVER),
423	<	me.name, parv[0], parv[server]);
423	>	me.name, source_p->name, parv[server]);
424		return HUNTED_NOSUCH;
425		}
426
#	Line 457 | Line 430 | hunt_server(struct Client *client_p, str
430		if (!match(target_p->name, parv[server]))
431		parv[server] = target_p->name;
432
460	–	/* Deal with lazylinks */
461	–	client_burst_if_needed(target_p, source_p);
462	–
433		/* This is a little kludgy but should work... */
434		if (IsClient(source_p) &&
435		((MyConnect(target_p) && IsCapable(target_p, CAP_TS6)) ||
#	Line 473 | Line 443 | hunt_server(struct Client *client_p, str
443		}
444
445		sendto_one(source_p, form_str(ERR_NOSUCHSERVER),
446	<	me.name, parv[0], parv[server]);
446	>	me.name, source_p->name, parv[server]);
447		return(HUNTED_NOSUCH);
448		}
449
#	Line 503 | Line 473 | try_connections(void *unused)
473		DLINK_FOREACH(ptr, server_items.head)
474		{
475		conf = ptr->data;
476	<	aconf = (struct AccessItem *)map_to_conf(conf);
476	>	aconf = map_to_conf(conf);
477
478		/* Also when already connecting! (update holdtimes) --SRB
479		*/
480	<	if (!(aconf->status & CONF_SERVER) || aconf->port <= 0 ||
480	>	if (!(aconf->status & CONF_SERVER) || !aconf->port ||
481		!(IsConfAllowAutoConn(aconf)))
482		continue;
483
484	<	cltmp = (struct ClassItem *)map_to_conf(aconf->class_ptr);
484	>	cltmp = map_to_conf(aconf->class_ptr);
485
486		/* Skip this entry if the use of it is still on hold until
487		* future. Otherwise handle this entry (and set it on hold
#	Line 536 | Line 506 | try_connections(void *unused)
506		/* Found a CONNECT config with port specified, scan clients
507		* and see if this server is already connected?
508		*/
509	<	if (find_server(conf->name) != NULL)
509	>	if (hash_find_server(conf->name) != NULL)
510		continue;
511
512		if (CurrUserCount(cltmp) < MaxTotal(cltmp))
#	Line 574 | Line 544 | try_connections(void *unused)
544		}
545
546		int
547	+	valid_servname(const char *name)
548	+	{
549	+	unsigned int length = 0;
550	+	unsigned int dots   = 0;
551	+	const char *p = name;
552	+
553	+	for (; *p; ++p)
554	+	{
555	+	if (!IsServChar(*p))
556	+	return 0;
557	+
558	+	++length;
559	+
560	+	if (*p == '.')
561	+	++dots;
562	+	}
563	+
564	+	return dots != 0 && length <= HOSTLEN;
565	+	}
566	+
567	+	int
568		check_server(const char *name, struct Client *client_p, int cryptlink)
569		{
570		dlink_node *ptr;
#	Line 595 | Line 586 | check_server(const char *name, struct Cl
586		DLINK_FOREACH(ptr, server_items.head)
587		{
588		conf = ptr->data;
589	<	aconf = (struct AccessItem *)map_to_conf(conf);
589	>	aconf = map_to_conf(conf);
590
591		if (!match(name, conf->name))
592		continue;
#	Line 665 | Line 656 | check_server(const char *name, struct Cl
656		attach_conf(client_p, conf);
657		}
658
659	<	server_aconf = (struct AccessItem *)map_to_conf(server_conf);
659	>	server_aconf = map_to_conf(server_conf);
660
670	–	if (!IsConfLazyLink(server_aconf))
671	–	ClearCap(client_p, CAP_LL);
661		#ifdef HAVE_LIBZ /* otherwise, clear it unconditionally */
662		if (!IsConfCompressed(server_aconf))
663		#endif
#	Line 676 | Line 665 | check_server(const char *name, struct Cl
665		if (!IsConfCryptLink(server_aconf))
666		ClearCap(client_p, CAP_ENC);
667		if (!IsConfTopicBurst(server_aconf))
668	+	{
669		ClearCap(client_p, CAP_TB);
670	+	ClearCap(client_p, CAP_TBURST);
671	+	}
672
681	–	/* Don't unset CAP_HUB here even if the server isn't a hub,
682	–	* it only indicates if the server thinks it's lazylinks are
683	–	* leafs or not.. if you unset it, bad things will happen
684	–	*/
673		if (aconf != NULL)
674		{
675		struct sockaddr_in *v4;
#	Line 722 | Line 710 | check_server(const char *name, struct Cl
710		void
711		add_capability(const char *capab_name, int cap_flag, int add_to_default)
712		{
713	<	struct Capability *cap;
713	>	struct Capability *cap = MyMalloc(sizeof(*cap));
714
727	–	cap = (struct Capability *)MyMalloc(sizeof(*cap));
715		DupString(cap->name, capab_name);
716		cap->cap = cap_flag;
717		dlinkAdd(cap, &cap->node, &cap_list);
718	+
719		if (add_to_default)
720		default_server_capabs |= cap_flag;
721		}
#	Line 762 | Line 750 | delete_capability(const char *capab_name
750		}
751		}
752
753	<	return(0);
753	>	return 0;
754		}
755
756		/*
#	Line 775 | Line 763 | delete_capability(const char *capab_name
763		int
764		find_capability(const char *capab)
765		{
766	<	dlink_node *ptr;
779	<	struct Capability *cap;
766	>	const dlink_node *ptr = NULL;
767
768		DLINK_FOREACH(ptr, cap_list.head)
769		{
770	<	cap = ptr->data;
770	>	const struct Capability *cap = ptr->data;
771
772	<	if (cap->cap != 0)
773	<	{
787	<	if (irccmp(cap->name, capab) == 0)
788	<	return(cap->cap);
789	<	}
772	>	if (cap->cap && !irccmp(cap->name, capab))
773	>	return cap->cap;
774		}
775	<	return(0);
775	>
776	>	return 0;
777		}
778
779		/* send_capabilities()
#	Line 811 | Line 796 | send_capabilities(struct Client *client_
796		int tl;
797		dlink_node *ptr;
798		#ifdef HAVE_LIBCRYPTO
799	<	struct EncCapability *epref;
799	>	const struct EncCapability *epref = NULL;
800		char *capend;
801		int sent_cipher = 0;
802		#endif
#	Line 838 | Line 823 | send_capabilities(struct Client *client_
823		/* use connect{} specific info if available */
824		if (aconf->cipher_preference)
825		epref = aconf->cipher_preference;
826	<	else
826	>	else if (ConfigFileEntry.default_cipher_preference)
827		epref = ConfigFileEntry.default_cipher_preference;
828
829	<	if ((epref->cap & enc_can_send))
829	>	if (epref && (epref->cap & enc_can_send))
830		{
831		/* Leave the space -- it is removed later. */
832		tl = ircsprintf(t, "%s ", epref->name);
#	Line 853 | Line 838 | send_capabilities(struct Client *client_
838		t = capend; /* truncate string before ENC:, below */
839		}
840		#endif
841	<	*(t-1) = '\0';
841	>	*(t - 1) = '\0';
842		sendto_one(client_p, "CAPAB :%s", msgbuf);
843		}
844
845		/* sendnick_TS()
846		*
847		* inputs       - client (server) to send nick towards
848	<	*              - client to send nick for
848	>	*          - client to send nick for
849		* output       - NONE
850		* side effects - NICK message is sent towards given client_p
851		*/
#	Line 872 | Line 857 | sendnick_TS(struct Client *client_p, str
857		if (!IsClient(target_p))
858		return;
859
860	<	send_umode(NULL, target_p, 0, IsOperHiddenAdmin(target_p) ?
876	<	SEND_UMODES & ~UMODE_ADMIN : SEND_UMODES, ubuf);
860	>	send_umode(NULL, target_p, 0, SEND_UMODES, ubuf);
861
862		if (ubuf[0] == '\0')
863		{
#	Line 882 | Line 866 | sendnick_TS(struct Client *client_p, str
866		}
867
868		/* XXX Both of these need to have a :me.name or :mySID!?!?! */
869	<	if (HasID(target_p) && IsCapable(client_p, CAP_TS6))
870	<	sendto_one(client_p, ":%s UID %s %d %lu %s %s %s %s %s :%s",
871	<	target_p->servptr->id,
872	<	target_p->name, target_p->hopcount + 1,
873	<	(unsigned long) target_p->tsinfo,
874	<	ubuf, target_p->username, target_p->host,
875	<	((MyClient(target_p)&&!IsIPSpoof(target_p))?target_p->sockhost:"0"),
876	<	target_p->id, target_p->info);
869	>	if (IsCapable(client_p, CAP_SVS))
870	>	{
871	>	if (HasID(target_p) && IsCapable(client_p, CAP_TS6))
872	>	sendto_one(client_p, ":%s UID %s %d %lu %s %s %s %s %s %lu :%s",
873	>	target_p->servptr->id,
874	>	target_p->name, target_p->hopcount + 1,
875	>	(unsigned long) target_p->tsinfo,
876	>	ubuf, target_p->username, target_p->host,
877	>	(MyClient(target_p) && IsIPSpoof(target_p)) ?
878	>	"0" : target_p->sockhost, target_p->id,
879	>	(unsigned long)target_p->servicestamp, target_p->info);
880	>	else
881	>	sendto_one(client_p, "NICK %s %d %lu %s %s %s %s %lu :%s",
882	>	target_p->name, target_p->hopcount + 1,
883	>	(unsigned long) target_p->tsinfo,
884	>	ubuf, target_p->username, target_p->host,
885	>	target_p->servptr->name, (unsigned long)target_p->servicestamp,
886	>	target_p->info);
887	>	}
888		else
889	<	sendto_one(client_p, "NICK %s %d %lu %s %s %s %s :%s",
890	<	target_p->name, target_p->hopcount + 1,
891	<	(unsigned long) target_p->tsinfo,
892	<	ubuf, target_p->username, target_p->host,
893	<	target_p->servptr->name, target_p->info);
889	>	{
890	>	if (HasID(target_p) && IsCapable(client_p, CAP_TS6))
891	>	sendto_one(client_p, ":%s UID %s %d %lu %s %s %s %s %s :%s",
892	>	target_p->servptr->id,
893	>	target_p->name, target_p->hopcount + 1,
894	>	(unsigned long) target_p->tsinfo,
895	>	ubuf, target_p->username, target_p->host,
896	>	(MyClient(target_p) && IsIPSpoof(target_p)) ?
897	>	"0" : target_p->sockhost, target_p->id, target_p->info);
898	>	else
899	>	sendto_one(client_p, "NICK %s %d %lu %s %s %s %s :%s",
900	>	target_p->name, target_p->hopcount + 1,
901	>	(unsigned long) target_p->tsinfo,
902	>	ubuf, target_p->username, target_p->host,
903	>	target_p->servptr->name, target_p->info);
904	>	}
905	>
906		if (IsConfAwayBurst((struct AccessItem *)map_to_conf(client_p->serv->sconf)))
907		if (!EmptyString(target_p->away))
908		sendto_one(client_p, ":%s AWAY :%s", target_p->name,
#	Line 903 | Line 910 | sendnick_TS(struct Client *client_p, str
910
911		}
912
906	–	/* client_burst_if_needed()
907	–	*
908	–	* inputs       - pointer to server
909	–	*              - pointer to client to add
910	–	* output       - NONE
911	–	* side effects - If this client is not known by this lazyleaf, send it
912	–	*/
913	–	void
914	–	client_burst_if_needed(struct Client *client_p, struct Client *target_p)
915	–	{
916	–	if (!ServerInfo.hub)
917	–	return;
918	–	if (!MyConnect(client_p))
919	–	return;
920	–	if (!IsCapable(client_p,CAP_LL))
921	–	return;
922	–
923	–	if ((target_p->lazyLinkClientExists & client_p->localClient->serverMask) == 0)
924	–	{
925	–	sendnick_TS(client_p, target_p);
926	–	add_lazylinkclient(client_p,target_p);
927	–	}
928	–	}
929	–
913		/*
914		* show_capabilities - show current server capabilities
915		*
#	Line 973 | Line 956 | struct Server *
956		make_server(struct Client *client_p)
957		{
958		if (client_p->serv == NULL)
976	–	{
959		client_p->serv = MyMalloc(sizeof(struct Server));
978	–	client_p->serv->dep_servers = 1;
979	–	}
960
961		return client_p->serv;
962		}
#	Line 996 | Line 976 | server_estab(struct Client *client_p)
976		char *host;
977		const char *inpath;
978		static char inpath_ip[HOSTLEN * 2 + USERLEN + 6];
999	–	dlink_node *m;
979		dlink_node *ptr;
980
981		assert(client_p != NULL);
#	Line 1029 | Line 1008 | server_estab(struct Client *client_p)
1008		{
1009		if (client_p != serv_list.head->data || serv_list.head->next)
1010		{
1011	<	ServerStats->is_ref++;
1011	>	++ServerStats.is_ref;
1012		sendto_one(client_p, "ERROR :I'm a leaf not a hub");
1013		exit_client(client_p, &me, "I'm a leaf");
1014		return;
1015		}
1016		}
1017
1018	<	aconf = (struct AccessItem *)map_to_conf(conf);
1018	>	aconf = map_to_conf(conf);
1019
1020		if (IsUnknown(client_p) && !IsConfCryptLink(aconf))
1021		{
#	Line 1044 | Line 1023 | server_estab(struct Client *client_p)
1023		*        2.  Check aconf->spasswd, not aconf->passwd.
1024		*/
1025		if (!EmptyString(aconf->spasswd))
1026	<	{
1027	<	/* only send ts6 format PASS if we have ts6 enabled */
1049	<	if (me.id[0] != '\0')               /* Send TS 6 form only if id */
1050	<	sendto_one(client_p, "PASS %s TS %d %s",
1051	<	aconf->spasswd, TS_CURRENT, me.id);
1052	<	else
1053	<	sendto_one(client_p, "PASS %s TS 5",
1054	<	aconf->spasswd);
1055	<	}
1026	>	sendto_one(client_p, "PASS %s TS %d %s",
1027	>	aconf->spasswd, TS_CURRENT, me.id);
1028
1029		/* Pass my info to the new server
1030		*
1059	–	* If trying to negotiate LazyLinks, pass on CAP_LL
1060	–	* If this is a HUB, pass on CAP_HUB
1031		* Pass on ZIP if supported
1032		* Pass on TB if supported.
1033		* - Dianora
1034		*/
1035
1036	<	send_capabilities(client_p, aconf,
1037	<	(IsConfLazyLink(aconf) ? find_capability("LL") : 0)
1038	<	| (IsConfCompressed(aconf) ? find_capability("ZIP") : 0)
1069	<	| (IsConfTopicBurst(aconf) ? find_capability("TB") : 0)
1070	<	, 0);
1036	>	send_capabilities(client_p, aconf,
1037	>	(IsConfCompressed(aconf) ? CAP_ZIP : 0)
1038	>	| (IsConfTopicBurst(aconf) ? CAP_TBURST|CAP_TB : 0), 0);
1039
1040		/* SERVER is the last command sent before switching to ziplinks.
1041		* We set TCPNODELAY on the socket to make sure it gets sent out
#	Line 1080 | Line 1048 | server_estab(struct Client *client_p)
1048		* Nagle is already disabled at this point --adx
1049		*/
1050		sendto_one(client_p, "SERVER %s 1 :%s%s",
1051	<	my_name_for_link(conf),
1084	<	ConfigServerHide.hidden ? "(H) " : "",
1085	<	(me.info[0]) ? (me.info) : "IRCers United");
1051	>	me.name, ConfigServerHide.hidden ? "(H) " : "", me.info);
1052		send_queued_write(client_p);
1053		}
1054
#	Line 1106 | Line 1072 | server_estab(struct Client *client_p)
1072		SetServlink(client_p);
1073		}
1074
1075	<	/* only send ts6 format SVINFO if we have ts6 enabled */
1110	<	sendto_one(client_p, "SVINFO %d %d 0 :%lu",
1111	<	(me.id[0] ? TS_CURRENT : 5), TS_MIN,
1075	>	sendto_one(client_p, "SVINFO %d %d 0 :%lu", TS_CURRENT, TS_MIN,
1076		(unsigned long)CurrentTime);
1077
1078		/* assumption here is if they passed the correct TS version, they also passed an SID */
#	Line 1140 | Line 1104 | server_estab(struct Client *client_p)
1104		set_chcap_usage_counts(client_p);
1105
1106		/* Some day, all these lists will be consolidated *sigh* */
1107	<	dlinkAdd(client_p, &client_p->lnode, &me.serv->servers);
1107	>	dlinkAdd(client_p, &client_p->lnode, &me.serv->server_list);
1108
1109	<	m = dlinkFind(&unknown_list, client_p);
1146	<	assert(NULL != m);
1109	>	assert(dlinkFind(&unknown_list, client_p));
1110
1111	<	dlinkDelete(m, &unknown_list);
1112	<	dlinkAdd(client_p, m, &serv_list);
1111	>	dlink_move_node(&client_p->localClient->lclient_node,
1112	>	&unknown_list, &serv_list);
1113
1114		Count.myserver++;
1115
#	Line 1157 | Line 1120 | server_estab(struct Client *client_p)
1120		make_server(client_p);
1121
1122		/* fixing eob timings.. -gnp */
1123	<	client_p->firsttime = CurrentTime;
1123	>	client_p->localClient->firsttime = CurrentTime;
1124	>
1125	>
1126	>	if (find_matching_name_conf(SERVICE_TYPE, client_p->name, NULL, NULL, 0))
1127	>	AddFlag(client_p, FLAGS_SERVICE);
1128
1129		/* Show the real host/IP to admins */
1130		sendto_realops_flags(UMODE_ALL, L_ADMIN,
#	Line 1167 | Line 1134 | server_estab(struct Client *client_p)
1134		sendto_realops_flags(UMODE_ALL, L_OPER,
1135		"Link with %s established: (%s) link",
1136		inpath,show_capabilities(client_p));
1137	<	ilog(L_NOTICE, "Link with %s established: (%s) link",
1137	>	ilog(LOG_TYPE_IRCD, "Link with %s established: (%s) link",
1138		inpath_ip, show_capabilities(client_p));
1139
1140		client_p->serv->sconf = conf;
#	Line 1194 | Line 1161 | server_estab(struct Client *client_p)
1161		if (target_p == client_p)
1162		continue;
1163
1197	–	if ((conf = target_p->serv->sconf) &&
1198	–	match(my_name_for_link(conf), client_p->name))
1199	–	continue;
1200	–
1164		if (IsCapable(target_p, CAP_TS6) && HasID(client_p))
1165		sendto_one(target_p, ":%s SID %s 2 %s :%s%s",
1166		me.id, client_p->name, client_p->id,
#	Line 1228 | Line 1191 | server_estab(struct Client *client_p)
1191		**    is destroyed...)
1192		*/
1193
1231	–	conf = client_p->serv->sconf;
1232	–
1194		DLINK_FOREACH_PREV(ptr, global_serv_list.tail)
1195		{
1196		target_p = ptr->data;
1197
1198		/* target_p->from == target_p for target_p == client_p */
1199	<	if (target_p->from == client_p)
1239	<	continue;
1240	<
1241	<	if (match(my_name_for_link(conf), target_p->name))
1199	>	if (IsMe(target_p) || target_p->from == client_p)
1200		continue;
1201
1202		if (IsCapable(client_p, CAP_TS6))
#	Line 1259 | Line 1217 | server_estab(struct Client *client_p)
1217		IsHidden(target_p) ? "(H) " : "", target_p->info);
1218		}
1219
1262	–	if ((ServerInfo.hub == 0) && MyConnect(client_p))
1263	–	uplink = client_p;
1264	–
1220		server_burst(client_p);
1221		}
1222
#	Line 1339 | Line 1294 | start_io(struct Client *server)
1294		memcpy(buf, &block->data[0], block->size);
1295		buf += block->size;
1296		}
1297	+
1298		dbuf_clear(&lserver->buf_recvq);
1299
1300		/* pass the whole sendq to servlink */
#	Line 1351 | Line 1307 | start_io(struct Client *server)
1307		memcpy(buf, &block->data[0], block->size);
1308		buf += block->size;
1309		}
1310	+
1311		dbuf_clear(&lserver->buf_sendq);
1312
1313		/* start io */
#	Line 1457 | Line 1414 | server_burst(struct Client *client_p)
1414		** -orabidoo
1415		*/
1416
1417	<	/* On a "lazy link" hubs send nothing.
1461	<	* Leafs always have to send nicks plus channels
1462	<	*/
1463	<	if (IsCapable(client_p, CAP_LL))
1464	<	{
1465	<	if (!ServerInfo.hub)
1466	<	{
1467	<	/* burst all our info */
1468	<	burst_all(client_p);
1469	<
1470	<	/* Now, ask for channel info on all our current channels */
1471	<	cjoin_all(client_p);
1472	<	}
1473	<	}
1474	<	else
1475	<	{
1476	<	burst_all(client_p);
1477	<	}
1417	>	burst_all(client_p);
1418
1419		/* EOB stuff is now in burst_all */
1420		/* Always send a PING after connect burst is done */
#	Line 1490 | Line 1430 | server_burst(struct Client *client_p)
1430		static void
1431		burst_all(struct Client *client_p)
1432		{
1433	<	struct Client *target_p;
1494	<	struct Channel *chptr;
1495	<	dlink_node *gptr;
1496	<	dlink_node *ptr;
1433	>	dlink_node *ptr = NULL;
1434
1435	<	DLINK_FOREACH(gptr, global_channel_list.head)
1435	>	DLINK_FOREACH(ptr, global_channel_list.head)
1436		{
1437	<	chptr = gptr->data;
1437	>	struct Channel *chptr = ptr->data;
1438
1439		if (dlink_list_length(&chptr->members) != 0)
1440		{
1441		burst_members(client_p, chptr);
1442		send_channel_modes(client_p, chptr);
1443	<	if (IsCapable(client_p, CAP_TB))
1443	>
1444	>	if (IsCapable(client_p, CAP_TBURST) ||
1445	>	IsCapable(client_p, CAP_TB))
1446		send_tb(client_p, chptr);
1447		}
1448		}
#	Line 1512 | Line 1451 | burst_all(struct Client *client_p)
1451		*/
1452		DLINK_FOREACH(ptr, global_client_list.head)
1453		{
1454	<	target_p = ptr->data;
1454	>	struct Client *target_p = ptr->data;
1455
1456	<	if (!IsBursted(target_p) && target_p->from != client_p)
1456	>	if (!HasFlag(target_p, FLAGS_BURSTED) && target_p->from != client_p)
1457		sendnick_TS(client_p, target_p);
1458
1459	<	ClearBursted(target_p);
1459	>	DelFlag(target_p, FLAGS_BURSTED);
1460		}
1461
1462		/* We send the time we started the burst, and let the remote host determine an EOB time,
#	Line 1531 | Line 1470 | burst_all(struct Client *client_p)
1470		/*
1471		* send_tb
1472		*
1473	<	* inputs       - pointer to Client
1474	<	*              - pointer to channel
1536	<	* output       - NONE
1537	<	* side effects - Called on a server burst when
1538	<	*                server is CAP_TB capable
1539	<	*/
1540	<	static void
1541	<	send_tb(struct Client *client_p, struct Channel *chptr)
1542	<	{
1543	<	if (chptr->topic != NULL && IsCapable(client_p, CAP_TB))
1544	<	{
1545	<	if (ConfigChannel.burst_topicwho)
1546	<	{
1547	<	sendto_one(client_p, ":%s TB %s %lu %s :%s",
1548	<	me.name, chptr->chname,
1549	<	(unsigned long)chptr->topic_time,
1550	<	chptr->topic_info, chptr->topic);
1551	<	}
1552	<	else
1553	<	{
1554	<	sendto_one(client_p, ":%s TB %s %lu :%s",
1555	<	me.name, chptr->chname,
1556	<	(unsigned long)chptr->topic_time, chptr->topic);
1557	<	}
1558	<	}
1559	<	}
1560	<
1561	<	/* cjoin_all()
1562	<	*
1563	<	* inputs       - server to ask for channel info from
1473	>	* inputs       - pointer to Client
1474	>	*              - pointer to channel
1475		* output       - NONE
1476	<	* side effects - CJOINS for all the leafs known channels is sent
1476	>	* side effects - Called on a server burst when
1477	>	*                server is CAP_TB|CAP_TBURST capable
1478		*/
1479		static void
1480	<	cjoin_all(struct Client *client_p)
1569	<	{
1570	<	const dlink_node *gptr = NULL;
1571	<
1572	<	DLINK_FOREACH(gptr, global_channel_list.head)
1573	<	{
1574	<	const struct Channel *chptr = gptr->data;
1575	<	sendto_one(client_p, ":%s CBURST %s",
1576	<	me.name, chptr->chname);
1577	<	}
1578	<	}
1579	<
1580	<	/* burst_channel()
1581	<	*
1582	<	* inputs       - pointer to server to send sjoins to
1583	<	*              - channel pointer
1584	<	* output       - none
1585	<	* side effects - All sjoins for channel(s) given by chptr are sent
1586	<	*                for all channel members. ONLY called by hub on
1587	<	*                behalf of a lazylink so client_p is always guarunteed
1588	<	*                to be a LL leaf.
1589	<	*/
1590	<	void
1591	<	burst_channel(struct Client *client_p, struct Channel *chptr)
1592	<	{
1593	<	burst_ll_members(client_p, chptr);
1594	<
1595	<	send_channel_modes(client_p, chptr);
1596	<	add_lazylinkchannel(client_p,chptr);
1597	<
1598	<	if (chptr->topic != NULL && chptr->topic_info != NULL)
1599	<	{
1600	<	sendto_one(client_p, ":%s TOPIC %s %s %lu :%s",
1601	<	me.name, chptr->chname, chptr->topic_info,
1602	<	(unsigned long)chptr->topic_time, chptr->topic);
1603	<	}
1604	<	}
1605	<
1606	<	/* add_lazlinkchannel()
1607	<	*
1608	<	* inputs       - pointer to directly connected leaf server
1609	<	*                being introduced to this hub
1610	<	*              - pointer to channel structure being introduced
1611	<	* output       - NONE
1612	<	* side effects - The channel pointed to by chptr is now known
1613	<	*                to be on lazyleaf server given by local_server_p.
1614	<	*                mark that in the bit map and add to the list
1615	<	*                of channels to examine after this newly introduced
1616	<	*                server is squit off.
1617	<	*/
1618	<	static void
1619	<	add_lazylinkchannel(struct Client *local_server_p, struct Channel *chptr)
1620	<	{
1621	<	assert(MyConnect(local_server_p));
1622	<
1623	<	chptr->lazyLinkChannelExists |= local_server_p->localClient->serverMask;
1624	<	dlinkAdd(chptr, make_dlink_node(), &lazylink_channels);
1625	<	}
1626	<
1627	<	/* add_lazylinkclient()
1628	<	*
1629	<	* inputs       - pointer to directly connected leaf server
1630	<	*                being introduced to this hub
1631	<	*              - pointer to client being introduced
1632	<	* output       - NONE
1633	<	* side effects - The client pointed to by client_p is now known
1634	<	*                to be on lazyleaf server given by local_server_p.
1635	<	*                mark that in the bit map and add to the list
1636	<	*                of clients to examine after this newly introduced
1637	<	*                server is squit off.
1638	<	*/
1639	<	void
1640	<	add_lazylinkclient(struct Client *local_server_p, struct Client *client_p)
1641	<	{
1642	<	assert(MyConnect(local_server_p));
1643	<	client_p->lazyLinkClientExists |= local_server_p->localClient->serverMask;
1644	<	}
1645	<
1646	<	/* remove_lazylink_flags()
1647	<	*
1648	<	* inputs       - pointer to server quitting
1649	<	* output       - NONE
1650	<	* side effects - All the channels on the lazylink channel list are examined
1651	<	*                If they hold a bit corresponding to the servermask
1652	<	*                attached to client_p, clear that bit. If this bitmask
1653	<	*                goes to 0, then the channel is no longer known to
1654	<	*                be on any lazylink server, and can be removed from the
1655	<	*                link list.
1656	<	*
1657	<	*                Similar is done for lazylink clients
1658	<	*
1659	<	*                This function must be run by the HUB on any exiting
1660	<	*                lazylink leaf server, while the pointer is still valid.
1661	<	*                Hence must be run from client.c in exit_one_client()
1662	<	*
1663	<	*                The old code scanned all channels, this code only
1664	<	*                scans channels/clients on the lazylink_channels
1665	<	*                lazylink_clients lists.
1666	<	*/
1667	<	void
1668	<	remove_lazylink_flags(unsigned long mask)
1480	>	send_tb(struct Client *client_p, struct Channel *chptr)
1481		{
1482	<	dlink_node *ptr;
1483	<	dlink_node *next_ptr;
1484	<	struct Channel *chptr;
1485	<	struct Client *target_p;
1486	<	unsigned long clear_mask;
1487	<
1488	<	if (!mask) /* On 0 mask, don't do anything */
1489	<	return;
1490	<
1491	<	clear_mask = ~mask;
1492	<	freeMask |= mask;
1493	<
1494	<	DLINK_FOREACH_SAFE(ptr, next_ptr, lazylink_channels.head)
1482	>	/*
1483	>	* We may also send an empty topic here, but only if topic_time isn't 0,
1484	>	* i.e. if we had a topic that got unset.  This is required for syncing
1485	>	* topics properly.
1486	>	*
1487	>	* Imagine the following scenario: Our downlink introduces a channel
1488	>	* to us with a TS that is equal to ours, but the channel topic on
1489	>	* their side got unset while the servers were in splitmode, which means
1490	>	* their 'topic' is newer.  They simply wanted to unset it, so we have to
1491	>	* deal with it in a more sophisticated fashion instead of just resetting
1492	>	* it to their old topic they had before.  Read m_tburst.c:ms_tburst
1493	>	* for further information   -Michael
1494	>	*/
1495	>	if (chptr->topic_time != 0)
1496		{
1497	<	chptr = ptr->data;
1498	<
1499	<	chptr->lazyLinkChannelExists &= clear_mask;
1500	<
1501	<	if (chptr->lazyLinkChannelExists == 0)
1497	>	if (IsCapable(client_p, CAP_TBURST))
1498	>	sendto_one(client_p, ":%s TBURST %lu %s %lu %s :%s",
1499	>	me.name, (unsigned long)chptr->channelts, chptr->chname,
1500	>	(unsigned long)chptr->topic_time,
1501	>	chptr->topic_info,
1502	>	chptr->topic);
1503	>	else if (IsCapable(client_p, CAP_TB))
1504		{
1505	<	dlinkDelete(ptr, &lazylink_channels);
1506	<	free_dlink_node(ptr);
1505	>	if (ConfigChannel.burst_topicwho)
1506	>	{
1507	>	sendto_one(client_p, ":%s TB %s %lu %s :%s",
1508	>	me.name, chptr->chname,
1509	>	(unsigned long)chptr->topic_time,
1510	>	chptr->topic_info, chptr->topic);
1511	>	}
1512	>	else
1513	>	{
1514	>	sendto_one(client_p, ":%s TB %s %lu :%s",
1515	>	me.name, chptr->chname,
1516	>	(unsigned long)chptr->topic_time,
1517	>	chptr->topic);
1518	>	}
1519		}
1520		}
1694	–
1695	–	DLINK_FOREACH(ptr, global_client_list.head)
1696	–	{
1697	–	target_p = ptr->data;
1698	–	target_p->lazyLinkClientExists &= clear_mask;
1699	–	}
1521		}
1522
1523		/* burst_members()
#	Line 1718 | Line 1539 | burst_members(struct Client *client_p, s
1539		ms       = ptr->data;
1540		target_p = ms->client_p;
1541
1542	<	if (!IsBursted(target_p))
1542	>	if (!HasFlag(target_p, FLAGS_BURSTED))
1543		{
1544	<	SetBursted(target_p);
1544	>	AddFlag(target_p, FLAGS_BURSTED);
1545
1546		if (target_p->from != client_p)
1547		sendnick_TS(client_p, target_p);
#	Line 1728 | Line 1549 | burst_members(struct Client *client_p, s
1549		}
1550		}
1551
1731	–	/* burst_ll_members()
1732	–	*
1733	–	* inputs       - pointer to server to send members to
1734	–	*              - dlink_list pointer to membership list to send
1735	–	* output       - NONE
1736	–	* side effects - This version also has to check the bitmap for lazylink
1737	–	*/
1738	–	static void
1739	–	burst_ll_members(struct Client *client_p, struct Channel *chptr)
1740	–	{
1741	–	struct Client *target_p;
1742	–	struct Membership *ms;
1743	–	dlink_node *ptr;
1744	–
1745	–	DLINK_FOREACH(ptr, chptr->members.head)
1746	–	{
1747	–	ms       = ptr->data;
1748	–	target_p = ms->client_p;
1749	–
1750	–	if ((target_p->lazyLinkClientExists & client_p->localClient->serverMask) == 0)
1751	–	{
1752	–	if (target_p->from != client_p)
1753	–	{
1754	–	add_lazylinkclient(client_p,target_p);
1755	–	sendnick_TS(client_p, target_p);
1756	–	}
1757	–	}
1758	–	}
1759	–	}
1760	–
1761	–	/* set_autoconn()
1762	–	*
1763	–	* inputs       - struct Client pointer to oper requesting change
1764	–	* output       - none
1765	–	* side effects - set autoconnect mode
1766	–	*/
1767	–	void
1768	–	set_autoconn(struct Client *source_p, const char *name, int newval)
1769	–	{
1770	–	struct ConfItem *conf;
1771	–	struct AccessItem *aconf;
1772	–
1773	–	if (name != NULL)
1774	–	{
1775	–	conf = find_exact_name_conf(SERVER_TYPE, name, NULL, NULL);
1776	–	if (conf != NULL)
1777	–	{
1778	–	aconf = (struct AccessItem *)map_to_conf(conf);
1779	–	if (newval)
1780	–	SetConfAllowAutoConn(aconf);
1781	–	else
1782	–	ClearConfAllowAutoConn(aconf);
1783	–
1784	–	sendto_realops_flags(UMODE_ALL, L_ALL,
1785	–	"%s has changed AUTOCONN for %s to %i",
1786	–	source_p->name, name, newval);
1787	–	sendto_one(source_p,
1788	–	":%s NOTICE %s :AUTOCONN for %s is now set to %i",
1789	–	me.name, source_p->name, name, newval);
1790	–	}
1791	–	else
1792	–	{
1793	–	sendto_one(source_p, ":%s NOTICE %s :Can't find %s",
1794	–	me.name, source_p->name, name);
1795	–	}
1796	–	}
1797	–	else
1798	–	{
1799	–	sendto_one(source_p, ":%s NOTICE %s :Please specify a server name!",
1800	–	me.name, source_p->name);
1801	–	}
1802	–	}
1803	–
1804	–	void
1805	–	initServerMask(void)
1806	–	{
1807	–	freeMask = 0xFFFFFFFFUL;
1808	–	}
1809	–
1810	–	/* nextFreeMask()
1811	–	*
1812	–	* inputs       - NONE
1813	–	* output       - unsigned long next unused mask for use in LL
1814	–	* side effects -
1815	–	*/
1816	–	unsigned long
1817	–	nextFreeMask(void)
1818	–	{
1819	–	int i;
1820	–	unsigned long mask = 1;
1821	–
1822	–	for (i = 0; i < 32; i++)
1823	–	{
1824	–	if (mask & freeMask)
1825	–	{
1826	–	freeMask &= ~mask;
1827	–	return(mask);
1828	–	}
1829	–
1830	–	mask <<= 1;
1831	–	}
1832	–
1833	–	return(0L); /* watch this special case ... */
1834	–	}
1835	–
1552		/* New server connection code
1553		* Based upon the stuff floating about in s_bsd.c
1554		*   -- adrian
#	Line 1873 | Line 1589 | serv_connect(struct AccessItem *aconf, s
1589		conf = unmap_conf_item(aconf);
1590
1591		/* log */
1592	<	irc_getnameinfo((struct sockaddr*)&aconf->ipnum, aconf->ipnum.ss_len,
1593	<	buf, HOSTIPLEN, NULL, 0, NI_NUMERICHOST);
1594	<	ilog(L_NOTICE, "Connect to %s[%s] @%s", aconf->user, aconf->host,
1592	>	getnameinfo((struct sockaddr *)&aconf->ipnum, aconf->ipnum.ss_len,
1593	>	buf, sizeof(buf), NULL, 0, NI_NUMERICHOST);
1594	>	ilog(LOG_TYPE_IRCD, "Connect to %s[%s] @%s", aconf->user, aconf->host,
1595		buf);
1596
1597		/* Still processing a DNS lookup? -> exit */
1598	<	if (aconf->dns_query != NULL)
1598	>	if (aconf->dns_pending)
1599		{
1600	<	sendto_realops_flags(UMODE_ALL, L_OPER,
1601	<	"Error connecting to %s: Error during DNS lookup", conf->name);
1600	>	sendto_realops_flags(UMODE_ALL, L_ALL,
1601	>	"Error connecting to %s: DNS lookup for connect{} in progress.",
1602	>	conf->name);
1603	>	return (0);
1604	>	}
1605	>
1606	>	if (aconf->dns_failed)
1607	>	{
1608	>	sendto_realops_flags(UMODE_ALL, L_ALL,
1609	>	"Error connecting to %s: DNS lookup for connect{} failed.",
1610	>	conf->name);
1611		return (0);
1612		}
1613
1614		/* Make sure this server isn't already connected
1615		* Note: aconf should ALWAYS be a valid C: line
1616		*/
1617	<	if ((client_p = find_server(conf->name)) != NULL)
1617	>	if ((client_p = hash_find_server(conf->name)) != NULL)
1618		{
1619		sendto_realops_flags(UMODE_ALL, L_ADMIN,
1620		"Server %s already present from %s",
#	Line 1912 | Line 1637 | serv_connect(struct AccessItem *aconf, s
1637		strlcpy(client_p->host, aconf->host, sizeof(client_p->host));
1638
1639		/* We already converted the ip once, so lets use it - stu */
1640	<	strlcpy(client_p->sockhost, buf, HOSTIPLEN);
1640	>	strlcpy(client_p->sockhost, buf, sizeof(client_p->sockhost));
1641
1642		/* create a socket for the server connection */
1643		if (comm_open(&client_p->localClient->fd, aconf->ipnum.ss.ss_family,
#	Line 2122 | Line 1847 | serv_connect_callback(fde_t *fd, int sta
1847		#endif
1848
1849		/* jdc -- Check and send spasswd, not passwd. */
1850	<	if (!EmptyString(aconf->spasswd) && (me.id[0] != '\0'))
1850	>	if (!EmptyString(aconf->spasswd))
1851		/* Send TS 6 form only if id */
1852		sendto_one(client_p, "PASS %s TS %d %s",
1853		aconf->spasswd, TS_CURRENT, me.id);
2129	–	else
2130	–	sendto_one(client_p, "PASS %s TS 5",
2131	–	aconf->spasswd);
1854
1855		/* Pass my info to the new server
1856		*
2135	–	* If trying to negotiate LazyLinks, pass on CAP_LL
2136	–	* If this is a HUB, pass on CAP_HUB
1857		* Pass on ZIP if supported
1858		* Pass on TB if supported.
1859		* - Dianora
1860		*/
1861		send_capabilities(client_p, aconf,
1862	<	(IsConfLazyLink(aconf) ? find_capability("LL") : 0)
1863	<	| (IsConfCompressed(aconf) ? find_capability("ZIP") : 0)
2144	<	| (IsConfTopicBurst(aconf) ? find_capability("TB") : 0)
2145	<	, 0);
1862	>	(IsConfCompressed(aconf) ? CAP_ZIP : 0)
1863	>	| (IsConfTopicBurst(aconf) ? CAP_TBURST|CAP_TB : 0), 0);
1864
1865		sendto_one(client_p, "SERVER %s 1 :%s%s",
1866	<	my_name_for_link(conf),
2149	<	ConfigServerHide.hidden ? "(H) " : "",
1866	>	me.name, ConfigServerHide.hidden ? "(H) " : "",
1867		me.info);
1868
1869		/* If we've been marked dead because a send failed, just exit
#	Line 2179 | Line 1896 | find_servconn_in_progress(const char *na
1896		cptr = ptr->data;
1897
1898		if (cptr && cptr->name[0])
1899	<	if (match(cptr->name, name) || match(name, cptr->name))
1899	>	if (match(name, cptr->name))
1900		return cptr;
1901		}
1902
#	Line 2251 | Line 1968 | cryptlink_init(struct Client *client_p,
1968		}
1969
1970		send_capabilities(client_p, aconf,
1971	<	(IsConfLazyLink(aconf) ? find_capability("LL") : 0)
1972	<	| (IsConfCompressed(aconf) ? find_capability("ZIP") : 0)
2256	<	| (IsConfTopicBurst(aconf) ? find_capability("TB") : 0)
2257	<	, CAP_ENC_MASK);
1971	>	(IsConfCompressed(aconf) ? CAP_ZIP : 0)
1972	>	| (IsConfTopicBurst(aconf) ? CAP_TBURST|CAP_TB : 0), CAP_ENC_MASK);
1973
1974	+	sendto_one(client_p, "PASS . TS %d %s", TS_CURRENT, me.id);
1975		sendto_one(client_p, "CRYPTLINK SERV %s %s :%s%s",
1976	<	my_name_for_link(conf), key_to_send,
1976	>	me.name, key_to_send,
1977		ConfigServerHide.hidden ? "(H) " : "", me.info);
1978
1979		SetHandshake(client_p);
#	Line 2282 | Line 1998 | cryptlink_error(struct Client *client_p,
1998		get_client_name(client_p, SHOW_IP), type, reason);
1999		sendto_realops_flags(UMODE_ALL, L_OPER,  "%s: CRYPTLINK %s error - %s",
2000		get_client_name(client_p, MASK_IP), type, reason);
2001	<	ilog(L_ERROR, "%s: CRYPTLINK %s error - %s",
2001	>	ilog(LOG_TYPE_IRCD, "%s: CRYPTLINK %s error - %s",
2002		get_client_name(client_p, SHOW_IP), type, reason);
2003
2004		/* If client_reason isn't NULL, then exit the client with the message

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