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

Comparing ircd-hybrid/trunk/src/s_user.c (file contents):
Revision 1857 by michael, Wed Apr 24 20:47:21 2013 UTC vs.
Revision 2314 by michael, Fri Jun 21 12:50:33 2013 UTC

#	Line 52 | Line 52
52		#include "parse.h"
53		#include "watch.h"
54
55	–
56	–	struct Callback *entering_umode_cb = NULL;
57	–	struct Callback *umode_cb = NULL;
58	–
55		static char umode_buffer[IRCD_BUFSIZE];
56
57		static void user_welcome(struct Client *);
#	Line 76 | Line 72 | struct Isupport
72		int number;
73		};
74
75	<	static dlink_list support_list = { NULL, NULL, 0 };
76	<	MessageFile *isupportFile;
75	>	static dlink_list support_list;
76	>	static dlink_list support_list_lines;
77
78		/* memory is cheap. map 0-255 to equivalent mode */
79	<	unsigned int user_modes[256] =
79	>	const unsigned int user_modes[256] =
80		{
81		/* 0x00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x0F */
82		/* 0x10 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x1F */
#	Line 89 | Line 85 | unsigned int user_modes[256] =
85		0,                  /* @ */
86		0,                  /* A */
87		0,                  /* B */
88	<	UMODE_CCONN_FULL,   /* C */
88	>	0,                  /* C */
89		UMODE_DEAF,         /* D */
90		0,                  /* E */
91	<	0,                  /* F */
91	>	UMODE_FARCONNECT,   /* F */
92		UMODE_SOFTCALLERID, /* G */
93		UMODE_HIDDEN,       /* H */
94		0,                  /* I */
#	Line 105 | Line 101 | unsigned int user_modes[256] =
101		0,                  /* P */
102		0,                  /* Q */
103		UMODE_REGONLY,      /* R */
104	<	0,                  /* S */
104	>	UMODE_SSL,          /* S */
105		0,                  /* T */
106		0,                  /* U */
107		0,                  /* V */
#	Line 138 | Line 134 | unsigned int user_modes[256] =
134		UMODE_UNAUTH,       /* u */
135		0,                  /* v */
136		UMODE_WALLOP,       /* w */
137	<	0,                  /* x */
137	>	UMODE_HIDDENHOST,   /* x */
138		UMODE_SPY,          /* y */
139		UMODE_OPERWALL,     /* z      0x7A */
140		0,0,0,0,0,          /* 0x7B - 0x7F */
#	Line 246 | Line 242 | show_lusers(struct Client *source_p)
242		void
243		show_isupport(struct Client *source_p)
244		{
245	<	send_message_file(source_p, isupportFile);
245	>	const dlink_node *ptr = NULL;
246	>
247	>	DLINK_FOREACH(ptr, support_list_lines.head)
248	>	sendto_one(source_p, form_str(RPL_ISUPPORT), me.name,
249	>	source_p->name, ptr->data);
250		}
251
252		/*
#	Line 287 | Line 287 | register_local_user(struct Client *sourc
287
288		if (ConfigFileEntry.ping_cookie)
289		{
290	<	if (!IsPingSent(source_p) && source_p->localClient->random_ping == 0)
290	>	if (!IsPingSent(source_p) && !source_p->localClient->random_ping)
291		{
292		do
293		source_p->localClient->random_ping = genrand_int32();
#	Line 310 | Line 310 | register_local_user(struct Client *sourc
310		if (!check_client(source_p))
311		return;
312
313	<	if (valid_hostname(source_p->host) == 0)
313	>	if (!valid_hostname(source_p->host))
314		{
315		sendto_one(source_p, ":%s NOTICE %s :*** Notice -- You have an illegal "
316		"character in your hostname", me.name, source_p->name);
#	Line 393 | Line 393 | register_local_user(struct Client *sourc
393		}
394
395		/* valid user name check */
396	<	if (valid_username(source_p->username) == 0)
396	>	if (!valid_username(source_p->username, 1))
397		{
398		char tmpstr2[IRCD_BUFSIZE];
399
#	Line 424 | Line 424 | register_local_user(struct Client *sourc
424		get_client_class(&source_p->localClient->confs),
425		source_p->info, source_p->id);
426
427	–	sendto_realops_flags(UMODE_CCONN_FULL, L_ALL, SEND_NOTICE,
428	–	"CLICONN %s %s %s %s %s %s %s 0 %s",
429	–	source_p->name, source_p->username, source_p->host,
430	–	ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
431	–	"255.255.255.255" : source_p->sockhost,
432	–	get_client_class(&source_p->localClient->confs),
433	–	ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
434	–	"<hidden>" : source_p->localClient->client_host,
435	–	ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
436	–	"<hidden>" : source_p->localClient->client_server,
437	–	source_p->info);
438	–
439	–
427		if (ConfigFileEntry.invisible_on_connect)
428		{
429		AddUMode(source_p, UMODE_INVISIBLE);
430		++Count.invisi;
431		}
432
433	<	if ((++Count.local) > Count.max_loc)
433	>	if (++Count.local > Count.max_loc)
434		{
435		Count.max_loc = Count.local;
436
#	Line 554 | Line 541 | register_remote_user(struct Client *sour
541		add_user_host(source_p->username, source_p->host, 1);
542		SetUserHost(source_p);
543
544	+	if (HasFlag(source_p->servptr, FLAGS_EOB))
545	+	sendto_realops_flags(UMODE_FARCONNECT, L_ALL, SEND_NOTICE,
546	+	"Client connecting at %s: %s (%s@%s) [%s] <%s>",
547	+	source_p->servptr->name,
548	+	source_p->name, source_p->username, source_p->host,
549	+	source_p->info, source_p->id);
550	+
551		introduce_client(source_p);
552		}
553
#	Line 629 | Line 623 | introduce_client(struct Client *source_p
623		ubuf, source_p->username, source_p->host,
624		source_p->servptr->name, source_p->info);
625		}
626	+
627	+	if (!EmptyString(source_p->certfp))
628	+	sendto_one(server, ":%s CERTFP %s", ID(source_p), source_p->certfp);
629		}
630		}
631
#	Line 670 | Line 667 | valid_hostname(const char *hostname)
667		* style of username
668		*/
669		int
670	<	valid_username(const char *username)
670	>	valid_username(const char *username, const int local)
671		{
672		int dots      = 0;
673		const char *p = username;
#	Line 680 | Line 677 | valid_username(const char *username)
677		if (*p == '~')
678		++p;
679
680	<	/* reject usernames that don't start with an alphanum
680	>	/*
681	>	* Reject usernames that don't start with an alphanum
682		* i.e. reject jokers who have '-@somehost' or '.@somehost'
683		* or "-hi-@somehost", "h-----@somehost" would still be accepted.
684		*/
685		if (!IsAlNum(*p))
686		return 0;
687
688	<	while (*++p)
688	>	if (local)
689		{
690	<	if ((*p == '.') && ConfigFileEntry.dots_in_ident)
690	>	while (*++p)
691		{
692	<	if (++dots > ConfigFileEntry.dots_in_ident)
693	<	return 0;
694	<	if (!IsUserChar(*(p + 1)))
692	>	if ((*p == '.') && ConfigFileEntry.dots_in_ident)
693	>	{
694	>	if (++dots > ConfigFileEntry.dots_in_ident)
695	>	return 0;
696	>	if (!IsUserChar(*(p + 1)))
697	>	return 0;
698	>	}
699	>	else if (!IsUserChar(*p))
700		return 0;
701		}
702	<	else if (!IsUserChar(*p))
703	<	return 0;
702	>	}
703	>	else
704	>	{
705	>	while (*++p)
706	>	if (!IsUserChar(*p))
707	>	return 0;
708		}
709
710	<	return 1;
710	>	return  p - username <= USERLEN;;
711		}
712
713		/* clean_nick_name()
#	Line 741 | Line 748 | report_and_set_user_flags(struct Client
748		{
749		/* If this user is being spoofed, tell them so */
750		if (IsConfDoSpoofIp(conf))
744	–	{
751		sendto_one(source_p,
752	<	":%s NOTICE %s :*** Spoofing your IP. congrats.",
752	>	":%s NOTICE %s :*** Spoofing your IP. Congrats.",
753		me.name, source_p->name);
748	–	}
754
755		/* If this user is in the exception class, Set it "E lined" */
756		if (IsConfExemptKline(conf))
757		{
758		SetExemptKline(source_p);
759		sendto_one(source_p,
760	<	":%s NOTICE %s :*** You are exempt from K/D/G lines. congrats.",
760	>	":%s NOTICE %s :*** You are exempt from K/D/G lines. Congrats.",
761		me.name, source_p->name);
762		}
763
764	<	/* The else here is to make sure that G line exempt users
764	>	/*
765	>	* The else here is to make sure that G line exempt users
766		* do not get noticed twice.
767		*/
768		else if (IsConfExemptGline(conf))
769		{
770		SetExemptGline(source_p);
771	<	sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from G lines.",
771	>	sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from G lines. Congrats.",
772		me.name, source_p->name);
773		}
774
775		if (IsConfExemptResv(conf))
776		{
777		SetExemptResv(source_p);
778	<	sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from resvs.",
778	>	sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from resvs. Congrats.",
779		me.name, source_p->name);
780		}
781
#	Line 778 | Line 784 | report_and_set_user_flags(struct Client
784		{
785		SetExemptLimits(source_p);
786		sendto_one(source_p,
787	<	":%s NOTICE %s :*** You are exempt from user limits. congrats.",
787	>	":%s NOTICE %s :*** You are exempt from user limits. Congrats.",
788		me.name,source_p->name);
789		}
790
#	Line 791 | Line 797 | report_and_set_user_flags(struct Client
797		}
798		}
799
794	–	/* change_simple_umode()
795	–	*
796	–	* this callback can be hooked to allow special handling of
797	–	* certain usermodes
798	–	*/
799	–	static void *
800	–	change_simple_umode(va_list args)
801	–	{
802	–	struct Client *client_p;
803	–	struct Client *source_p;
804	–	int what;
805	–	unsigned int flag;
806	–
807	–	client_p = va_arg(args, struct Client *);
808	–	source_p = va_arg(args, struct Client *);
809	–	what = va_arg(args, int);
810	–	flag = va_arg(args, unsigned int);
811	–
812	–	if (what == MODE_ADD)
813	–	AddUMode(source_p, flag);
814	–	else
815	–	DelUMode(source_p, flag);
816	–
817	–	return NULL;
818	–	}
819	–
800		/* set_user_mode()
801		*
802		* added 15/10/91 By Darren Reed.
#	Line 855 | Line 835 | set_user_mode(struct Client *client_p, s
835		m = buf;
836		*m++ = '+';
837
838	<	for (i = 0; i < 128; i++)
838	>	for (i = 0; i < 128; ++i)
839		if (HasUMode(source_p, user_modes[i]))
840		*m++ = (char)i;
841		*m = '\0';
#	Line 865 | Line 845 | set_user_mode(struct Client *client_p, s
845		return;
846		}
847
868	–	execute_callback(entering_umode_cb, client_p, source_p);
869	–
848		/* find flags already set for user */
849		setflags = source_p->umodes;
850
851		/* parse mode change string(s) */
852	<	for (p = &parv[2]; p && *p; p++)
852	>	for (p = &parv[2]; p && *p; ++p)
853		{
854	<	for (m = *p; *m; m++)
854	>	for (m = *p; *m; ++m)
855		{
856		switch (*m)
857		{
#	Line 905 | Line 883 | set_user_mode(struct Client *client_p, s
883
884		if (MyConnect(source_p))
885		{
886	<	dlink_node *dm;
886	>	dlink_node *dm = NULL;
887
888		detach_conf(source_p, CONF_OPER);
889		ClrOFlag(source_p);
#	Line 918 | Line 896 | set_user_mode(struct Client *client_p, s
896
897		break;
898
899	<	/* we may not get these,
900	<	* but they shouldnt be in default
901	<	*/
924	<	case 'r':
925	<	case ' ' :
926	<	case '\n':
927	<	case '\r':
928	<	case '\t':
899	>	case 'S':  /* Only servers may set +S in a burst */
900	>	case 'r':  /* Only services may set +r */
901	>	case 'x':  /* Only services may set +x */
902		break;
903
904		default:
#	Line 933 | Line 906 | set_user_mode(struct Client *client_p, s
906		{
907		if (MyConnect(source_p) && !HasUMode(source_p, UMODE_OPER) &&
908		(ConfigFileEntry.oper_only_umodes & flag))
936	–	{
909		badflag = 1;
938	–	}
910		else
911	<	execute_callback(umode_cb, client_p, source_p, what, flag);
912	<	}
913	<	else
914	<	{
915	<	if (MyConnect(source_p))
916	<	badflag = 1;
911	>	{
912	>	if (what == MODE_ADD)
913	>	AddUMode(source_p, flag);
914	>	else
915	>	DelUMode(source_p, flag);
916	>	}
917		}
918	+	else if (MyConnect(source_p))
919	+	badflag = 1;
920
921		break;
922		}
#	Line 954 | Line 927 | set_user_mode(struct Client *client_p, s
927		sendto_one(source_p, form_str(ERR_UMODEUNKNOWNFLAG),
928		me.name, source_p->name);
929
957	–	if (HasUMode(source_p, UMODE_NCHANGE) && !HasOFlag(source_p, OPER_FLAG_N))
958	–	{
959	–	sendto_one(source_p, ":%s NOTICE %s :*** You have no nchange flag;",
960	–	me.name, source_p->name);
961	–	DelUMode(source_p, UMODE_NCHANGE);
962	–	}
963	–
930		if (MyConnect(source_p) && HasUMode(source_p, UMODE_ADMIN) &&
931		!HasOFlag(source_p, OPER_FLAG_ADMIN))
932		{
#	Line 1005 | Line 971 | send_umode(struct Client *client_p, stru
971		* build a string in umode_buf to represent the change in the user's
972		* mode between the new (source_p->umodes) and 'old'.
973		*/
974	<	for (i = 0; i < 128; i++)
974	>	for (i = 0; i < 128; ++i)
975		{
976		flag = user_modes[i];
977		if (!flag)
#	Line 1079 | Line 1045 | send_umode_out(struct Client *client_p,
1045		}
1046
1047		void
1048	<	user_set_hostmask(struct Client *target_p, const char *hostname)
1048	>	user_set_hostmask(struct Client *target_p, const char *hostname, const int what)
1049		{
1050	<	if (!valid_hostname(hostname))
1050	>	dlink_node *ptr = NULL;
1051	>
1052	>	if (!strcmp(target_p->host, hostname))
1053		return;
1054
1055	+	switch (what)
1056	+	{
1057	+	case MODE_ADD:
1058	+	AddUMode(target_p, UMODE_HIDDENHOST);
1059	+	AddFlag(target_p, FLAGS_IP_SPOOFING);
1060	+	break;
1061	+	case MODE_DEL:
1062	+	DelUMode(target_p, UMODE_HIDDENHOST);
1063	+
1064	+	if (!HasFlag(target_p, FLAGS_AUTH_SPOOF))
1065	+	DelFlag(target_p, FLAGS_IP_SPOOFING);
1066	+	break;
1067	+	default: return;
1068	+	}
1069	+
1070	+	if (ConfigFileEntry.cycle_on_host_change)
1071	+	sendto_common_channels_local(target_p, 0, 0, ":%s!%s@%s QUIT :Changing hostname",
1072	+	target_p->name, target_p->username, target_p->host);
1073	+
1074		if (IsUserHostIp(target_p))
1075		delete_user_host(target_p->username, target_p->host, !MyConnect(target_p));
1076
1077		strlcpy(target_p->host, hostname, sizeof(target_p->host));
1091	–	SetIPSpoof(target_p);
1078
1079		add_user_host(target_p->username, target_p->host, !MyConnect(target_p));
1080		SetUserHost(target_p);
1081
1082		if (MyClient(target_p))
1083	+	{
1084	+	sendto_one(target_p, form_str(RPL_NEWHOSTIS), me.name,
1085	+	target_p->name, target_p->host);
1086		clear_ban_cache_client(target_p);
1087	+	}
1088	+
1089	+	if (!ConfigFileEntry.cycle_on_host_change)
1090	+	return;
1091	+
1092	+	DLINK_FOREACH(ptr, target_p->channel.head)
1093	+	{
1094	+	char modebuf[4], nickbuf[NICKLEN * 3 + 3] = { '\0' };
1095	+	char *p = modebuf;
1096	+	int len = 0;
1097	+	const struct Membership *ms = ptr->data;
1098	+
1099	+	if (has_member_flags(ms, CHFL_CHANOP))
1100	+	{
1101	+	*p++ = 'o';
1102	+	len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
1103	+	}
1104	+
1105	+	if (has_member_flags(ms, CHFL_HALFOP))
1106	+	{
1107	+	*p++ = 'h';
1108	+	len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
1109	+	}
1110	+
1111	+	if (has_member_flags(ms, CHFL_VOICE))
1112	+	{
1113	+	*p++ = 'v';
1114	+	len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
1115	+	}
1116	+
1117	+	*p = '\0';
1118	+
1119	+	sendto_channel_local_butone(target_p, 0, 0, ms->chptr, ":%s!%s@%s JOIN :%s",
1120	+	target_p->name, target_p->username, target_p->host,
1121	+	ms->chptr->chname);
1122	+	if (nickbuf[0])
1123	+	sendto_channel_local_butone(target_p, 0, 0, ms->chptr, ":%s MODE %s +%s %s",
1124	+	target_p->servptr->name, ms->chptr->chname,
1125	+	modebuf, nickbuf);
1126	+
1127	+	}
1128	+
1129	+	if (target_p->away[0])
1130	+	sendto_common_channels_local(target_p, 0, CAP_AWAY_NOTIFY,
1131	+	":%s!%s@%s AWAY :%s",
1132	+	target_p->name, target_p->username,
1133	+	target_p->host, target_p->away);
1134		}
1135
1136		/* user_welcome()
#	Line 1113 | Line 1149 | user_welcome(struct Client *source_p)
1149		#endif
1150
1151		#ifdef HAVE_LIBCRYPTO
1152	<	if (source_p->localClient->fd.ssl != NULL)
1152	>	if (HasFlag(source_p, FLAGS_SSL))
1153	>	{
1154	>	AddUMode(source_p, UMODE_SSL);
1155		sendto_one(source_p, ":%s NOTICE %s :*** Connected securely via %s",
1156		me.name, source_p->name,
1157		ssl_get_cipher(source_p->localClient->fd.ssl));
1158	+	}
1159		#endif
1160
1161		sendto_one(source_p, form_str(RPL_WELCOME), me.name, source_p->name,
#	Line 1134 | Line 1173 | user_welcome(struct Client *source_p)
1173		source_p->name, source_p->id);
1174
1175		show_lusers(source_p);
1176	<
1138	<	if (ConfigFileEntry.short_motd)
1139	<	{
1140	<	sendto_one(source_p, ":%s NOTICE %s :*** Notice -- motd was last changed at %s",
1141	<	me.name, source_p->name, ConfigFileEntry.motd.lastChangedDate);
1142	<	sendto_one(source_p,
1143	<	":%s NOTICE %s :*** Notice -- Please read the motd if you haven't "
1144	<	"read it", me.name, source_p->name);
1145	<	sendto_one(source_p, form_str(RPL_MOTDSTART),
1146	<	me.name, source_p->name, me.name);
1147	<	sendto_one(source_p, form_str(RPL_MOTD),
1148	<	me.name, source_p->name,
1149	<	"*** This is the short motd ***");
1150	<	sendto_one(source_p, form_str(RPL_ENDOFMOTD),
1151	<	me.name, source_p->name);
1152	<	}
1153	<	else
1154	<	send_message_file(source_p, &ConfigFileEntry.motd);
1176	>	motd_signon(source_p);
1177		}
1178
1179		/* check_xline()
#	Line 1166 | Line 1188 | check_xline(struct Client *source_p)
1188		struct MaskItem *conf = NULL;
1189		const char *reason = NULL;
1190
1191	<	if ((conf = find_matching_name_conf(CONF_XLINE, source_p->info, NULL, NULL, 0)) ||
1170	<	(conf = find_matching_name_conf(CONF_RXLINE, source_p->info, NULL, NULL, 0)))
1191	>	if ((conf = find_matching_name_conf(CONF_XLINE, source_p->info, NULL, NULL, 0)))
1192		{
1193		++conf->count;
1194
#	Line 1226 | Line 1247 | oper_up(struct Client *source_p)
1247
1248		if (HasOFlag(source_p, OPER_FLAG_ADMIN))
1249		AddUMode(source_p, UMODE_ADMIN);
1229	–	if (!HasOFlag(source_p, OPER_FLAG_N))
1230	–	DelUMode(source_p, UMODE_NCHANGE);
1250
1251		sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, "%s is now an operator",
1252		get_oper_name(source_p));
#	Line 1272 | Line 1291 | init_uid(void)
1291		new_uid[i] = 'A';
1292
1293		/* NOTE: if IRC_MAXUID != 6, this will have to be rewritten */
1275	–	/* Yes nenolod, I have known it was off by one ever since I wrote it
1276	–	* But *JUST* for you, though, it really doesn't look as *pretty*
1277	–	* -Dianora
1278	–	*/
1294		memcpy(new_uid + IRC_MAXSID, "AAAAA@", IRC_MAXUID);
1280	–
1281	–	entering_umode_cb = register_callback("entering_umode", NULL);
1282	–	umode_cb = register_callback("changing_umode", change_simple_umode);
1295		}
1296
1297		/*
#	Line 1339 | Line 1351 | uid_get(void)
1351		void
1352		init_isupport(void)
1353		{
1342	–	isupportFile = init_MessageLine();
1343	–
1354		add_isupport("CALLERID", NULL, -1);
1355		add_isupport("CASEMAPPING", CASEMAP, -1);
1356		add_isupport("DEAF", "D", -1);
#	Line 1353 | Line 1363 | init_isupport(void)
1363		add_isupport("PREFIX", "(ov)@+", -1);
1364		add_isupport("STATUSMSG", "@+", -1);
1365		#endif
1366	+	add_isupport("EXCEPTS", "e", -1);
1367	+	add_isupport("INVEX", "I", -1);
1368		}
1369
1370		/*
#	Line 1436 | Line 1448 | rebuild_isupport_message_line(void)
1448		{
1449		char isupportbuffer[IRCD_BUFSIZE];
1450		char *p = isupportbuffer;
1451	<	dlink_node *ptr = NULL;
1451	>	dlink_node *ptr = NULL, *ptr_next = NULL;
1452		int n = 0;
1453		int tokens = 0;
1454		size_t len = 0;
1455		size_t reserve = strlen(me.name) + HOSTLEN + strlen(form_str(RPL_ISUPPORT));
1456
1457	<	destroy_MessageLine(isupportFile);
1457	>	DLINK_FOREACH_SAFE(ptr, ptr_next, support_list_lines.head)
1458	>	{
1459	>	dlinkDelete(ptr, &support_list_lines);
1460	>	MyFree(ptr->data);
1461	>	free_dlink_node(ptr);
1462	>	}
1463
1464		DLINK_FOREACH(ptr, support_list.head)
1465		{
#	Line 1472 | Line 1489 | rebuild_isupport_message_line(void)
1489		if (*--p == ' ')
1490		*p = '\0';
1491
1492	<	addto_MessageLine(isupportFile, isupportbuffer);
1492	>	dlinkAddTail(xstrdup(isupportbuffer), make_dlink_node(), &support_list_lines);
1493		p = isupportbuffer;
1494		len = 0;
1495		n = tokens = 0;
#	Line 1483 | Line 1500 | rebuild_isupport_message_line(void)
1500		{
1501		if (*--p == ' ')
1502		*p = '\0';
1503	<	addto_MessageLine(isupportFile, isupportbuffer);
1503	>	dlinkAddTail(xstrdup(isupportbuffer), make_dlink_node(), &support_list_lines);
1504		}
1505		}

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