2 * IRC - Internet Relay Chat, ircd/s_serv.c (formerly ircd/s_msg.c)
3 * Copyright (C) 1990 Jarkko Oikarinen and
4 * University of Oulu, Computing Center
6 * See file AUTHORS in IRC package for additional names of
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 1, or (at your option)
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
32 #include "ircd_alloc.h"
33 #include "ircd_reply.h"
34 #include "ircd_string.h"
35 #include "ircd_xopen.h"
43 #include "querycmds.h"
50 #include "sprintf_irc.h"
59 unsigned int max_connection_count = 0;
60 unsigned int max_client_count = 0;
62 int exit_new_server(struct Client *cptr, struct Client *sptr,
63 char *host, time_t timestamp, char *fmt, ...)
67 (char*) MyMalloc(strlen(me.name) + strlen(host) + 22 + strlen(fmt));
71 return vexit_client_msg(cptr, cptr, &me, fmt, vl);
72 sprintf_irc(buf, ":%s " TOK_SQUIT " %s " TIME_T_FMT " :", me.name, host, timestamp);
74 vsendto_one(cptr, buf, vl);
80 int a_kills_b_too(struct Client *a, struct Client *b)
82 for (; b != a && b != &me; b = b->serv->up);
83 return (a == b ? 1 : 0);
89 * May only be called after a SERVER was received from cptr,
90 * and thus make_server was called, and serv->prot set. --Run
92 int server_estab(struct Client *cptr, struct ConfItem *aconf)
94 struct Client* acptr = 0;
99 assert(0 != cptr->local);
101 split = (0 != ircd_strcmp(cptr->name, cptr->sockhost)
102 && 0 != ircd_strncmp(cptr->info, "JUPE", 4));
105 if (IsUnknown(cptr)) {
106 if (aconf->passwd[0])
107 sendto_one(cptr, "PASS :%s", aconf->passwd);
109 * Pass my info to the new server
111 sendto_one(cptr, "SERVER %s 1 " TIME_T_FMT " " TIME_T_FMT " J%s %s%s :%s",
112 me.name, me.serv->timestamp, cptr->serv->timestamp,
113 MAJOR_PROTOCOL, NumServCap(&me),
114 (me.info[0]) ? (me.info) : "IRCers United");
116 * Don't charge this IP# for connecting
117 * XXX - if this comes from a server port, it will not have been added
118 * to the IP check registry, see add_connection in s_bsd.c
120 IPcheck_connect_fail(cptr->ip);
123 det_confs_butmask(cptr, CONF_LEAF | CONF_HUB | CONF_SERVER | CONF_UWORLD);
125 if (!IsHandshake(cptr))
128 cptr->handler = SERVER_HANDLER;
129 Count_unknownbecomesserver(UserStats);
131 release_dns_reply(cptr);
135 nextping = CurrentTime;
138 * NOTE: check for acptr->user == cptr->serv->user is necessary to insure
139 * that we got the same one... bleah
141 if (cptr->serv->user && *cptr->serv->by &&
142 (acptr = findNUser(cptr->serv->by))) {
143 if (acptr->user == cptr->serv->user) {
145 sendto_one(acptr, ":%s NOTICE %s :Link with %s established.",
146 me.name, acptr->name, inpath);
148 sendto_one(acptr, "%s NOTICE %s%s :Link with %s established.",
149 NumServ(&me), NumNick(acptr), inpath);
153 * if not the same client, set by to empty string
156 *cptr->serv->by = '\0';
160 sendto_lops_butone(acptr, "Link with %s established.", inpath);
161 cptr->serv->up = &me;
162 cptr->serv->updown = add_dlink(&me.serv->down, cptr);
163 sendto_op_mask(SNO_NETWORK, "Net junction: %s %s", me.name, cptr->name);
166 * Old sendto_serv_but_one() call removed because we now
167 * need to send different names to different servers
168 * (domain name matching) Send new server to other servers.
170 for (i = 0; i <= HighestFd; i++)
172 if (!(acptr = LocalClientArray[i]) || !IsServer(acptr) ||
173 acptr == cptr || IsMe(acptr))
175 if (!match(me.name, cptr->name))
179 sendto_one(acptr, "%s " TOK_SERVER " %s 2 0 " TIME_T_FMT " %s%u %s%s 0 :%s",
180 NumServ(&me), cptr->name, cptr->serv->timestamp,
181 (Protocol(cptr) > 9) ? "J" : "J0", Protocol(cptr),
182 NumServCap(cptr), cptr->info);
186 sendto_one(acptr, "%s " TOK_SERVER " %s 2 0 " TIME_T_FMT " %s%u %s%s 0 :%s",
187 NumServ(&me), cptr->name, cptr->serv->timestamp,
188 (Protocol(cptr) > 9) ? "J" : "J0", Protocol(cptr),
189 NumServCap(cptr), cptr->info);
194 * Pass on my client information to the new server
196 * First, pass only servers (idea is that if the link gets
197 * cancelled beacause the server was already there,
198 * there are no NICK's to be cancelled...). Of course,
199 * if cancellation occurs, all this info is sent anyway,
200 * and I guess the link dies when a read is attempted...? --msa
202 * Note: Link cancellation to occur at this point means
203 * that at least two servers from my fragment are building
204 * up connection this other fragment at the same time, it's
205 * a race condition, not the normal way of operation...
208 for (acptr = &me; acptr; acptr = acptr->prev) {
209 /* acptr->from == acptr for acptr == cptr */
210 if (acptr->from == cptr)
212 if (IsServer(acptr)) {
213 const char* protocol_str;
215 if (Protocol(acptr) > 9)
216 protocol_str = IsBurst(acptr) ? "J" : "P";
218 protocol_str = IsBurst(acptr) ? "J0" : "P0";
220 if (0 == match(me.name, acptr->name))
222 split = (MyConnect(acptr) &&
223 0 != ircd_strcmp(acptr->name, acptr->sockhost) &&
224 0 != ircd_strncmp(acptr->info, "JUPE", 4));
228 "%s " TOK_SERVER " %s %d 0 " TIME_T_FMT " %s%u %s%s 0 :%s",
229 NumServ(acptr->serv->up), acptr->name,
230 acptr->hopcount + 1, acptr->serv->timestamp,
231 protocol_str, Protocol(acptr),
232 NumServCap(acptr), acptr->info);
237 "%s " TOK_SERVER " %s %d 0 " TIME_T_FMT " %s%u %s%s 0 :%s",
238 NumServ(acptr->serv->up), acptr->name,
239 acptr->hopcount + 1, acptr->serv->timestamp,
240 protocol_str, Protocol(acptr),
241 NumServCap(acptr), acptr->info);
246 for (acptr = &me; acptr; acptr = acptr->prev)
248 /* acptr->from == acptr for acptr == cptr */
249 if (acptr->from == cptr)
254 char *s = umode_str(acptr);
255 sendto_one(cptr, *s ?
256 "%s N %s %d " TIME_T_FMT " %s %s +%s %s %s%s :%s" :
257 "%s N %s %d " TIME_T_FMT " %s %s %s%s %s%s :%s",
258 NumServ(acptr->user->server),
259 acptr->name, acptr->hopcount + 1, acptr->lastnick,
260 acptr->user->username, acptr->user->host,
261 s, inttobase64(xxx_buf, ntohl(acptr->ip.s_addr), 6),
262 NumNick(acptr), acptr->info);
266 * Last, send the BURST.
267 * (Or for 2.9 servers: pass all channels plus statuses)
270 struct Channel *chptr;
271 for (chptr = GlobalChannelList; chptr; chptr = chptr->next)
272 send_channel_modes(cptr, chptr);
275 sendto_one(cptr, "%s EB", NumServ(&me));