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"
42 #include "querycmds.h"
49 #include "sprintf_irc.h"
58 unsigned int max_connection_count = 0;
59 unsigned int max_client_count = 0;
61 int exit_new_server(struct Client *cptr, struct Client *sptr,
62 char *host, time_t timestamp, char *fmt, ...)
66 (char*) MyMalloc(strlen(me.name) + strlen(host) + 22 + strlen(fmt));
70 return vexit_client_msg(cptr, cptr, &me, fmt, vl);
71 sprintf_irc(buf, ":%s SQUIT %s " TIME_T_FMT " :", me.name, host, timestamp);
73 vsendto_one(cptr, buf, vl);
79 int a_kills_b_too(struct Client *a, struct Client *b)
81 for (; b != a && b != &me; b = b->serv->up);
82 return (a == b ? 1 : 0);
88 * May only be called after a SERVER was received from cptr,
89 * and thus make_server was called, and serv->prot set. --Run
91 int server_estab(struct Client *cptr, struct ConfItem *aconf)
93 struct Client* acptr = 0;
98 assert(0 != cptr->local);
100 split = (0 != ircd_strcmp(cptr->name, cptr->sockhost)
101 && 0 != ircd_strncmp(cptr->info, "JUPE", 4));
104 if (IsUnknown(cptr)) {
105 if (aconf->passwd[0])
106 sendto_one(cptr, "PASS :%s", aconf->passwd);
108 * Pass my info to the new server
110 sendto_one(cptr, "SERVER %s 1 " TIME_T_FMT " " TIME_T_FMT " J%s %s%s :%s",
111 me.name, me.serv->timestamp, cptr->serv->timestamp,
112 MAJOR_PROTOCOL, NumServCap(&me),
113 (me.info[0]) ? (me.info) : "IRCers United");
115 * Don't charge this IP# for connecting
116 * XXX - if this comes from a server port, it will not have been added
117 * to the IP check registry, see add_connection in s_bsd.c
119 IPcheck_connect_fail(cptr->ip);
122 det_confs_butmask(cptr, CONF_LEAF | CONF_HUB | CONF_SERVER | CONF_UWORLD);
124 if (!IsHandshake(cptr))
127 cptr->handler = SERVER_HANDLER;
128 Count_unknownbecomesserver(UserStats);
130 release_dns_reply(cptr);
134 nextping = CurrentTime;
137 * NOTE: check for acptr->user == cptr->serv->user is necessary to insure
138 * that we got the same one... bleah
140 if (cptr->serv->user && *cptr->serv->by &&
141 (acptr = findNUser(cptr->serv->by))) {
142 if (acptr->user == cptr->serv->user) {
144 sendto_one(acptr, ":%s NOTICE %s :Link with %s established.",
145 me.name, acptr->name, inpath);
147 sendto_one(acptr, "%s NOTICE %s%s :Link with %s established.",
148 NumServ(&me), NumNick(acptr), inpath);
152 * if not the same client, set by to empty string
155 *cptr->serv->by = '\0';
159 sendto_lops_butone(acptr, "Link with %s established.", inpath);
160 cptr->serv->up = &me;
161 cptr->serv->updown = add_dlink(&me.serv->down, cptr);
162 sendto_op_mask(SNO_NETWORK, "Net junction: %s %s", me.name, cptr->name);
165 * Old sendto_serv_but_one() call removed because we now
166 * need to send different names to different servers
167 * (domain name matching) Send new server to other servers.
169 for (i = 0; i <= HighestFd; i++)
171 if (!(acptr = LocalClientArray[i]) || !IsServer(acptr) ||
172 acptr == cptr || IsMe(acptr))
174 if (!match(me.name, cptr->name))
178 sendto_one(acptr, "%s " TOK_SERVER " %s 2 0 " TIME_T_FMT " %s%u %s%s 0 :%s",
179 NumServ(&me), cptr->name, cptr->serv->timestamp,
180 (Protocol(cptr) > 9) ? "J" : "J0", Protocol(cptr),
181 NumServCap(cptr), cptr->info);
185 sendto_one(acptr, "%s " TOK_SERVER " %s 2 0 " TIME_T_FMT " %s%u %s%s 0 :%s",
186 NumServ(&me), cptr->name, cptr->serv->timestamp,
187 (Protocol(cptr) > 9) ? "J" : "J0", Protocol(cptr),
188 NumServCap(cptr), cptr->info);
193 * Pass on my client information to the new server
195 * First, pass only servers (idea is that if the link gets
196 * cancelled beacause the server was already there,
197 * there are no NICK's to be cancelled...). Of course,
198 * if cancellation occurs, all this info is sent anyway,
199 * and I guess the link dies when a read is attempted...? --msa
201 * Note: Link cancellation to occur at this point means
202 * that at least two servers from my fragment are building
203 * up connection this other fragment at the same time, it's
204 * a race condition, not the normal way of operation...
207 for (acptr = &me; acptr; acptr = acptr->prev) {
208 /* acptr->from == acptr for acptr == cptr */
209 if (acptr->from == cptr)
213 char *protocol_str = IsBurst(acptr) ? "J" : "P";
214 if (0 == match(me.name, acptr->name))
216 split = (MyConnect(acptr) &&
217 0 != ircd_strcmp(acptr->name, acptr->sockhost) &&
218 0 != ircd_strncmp(acptr->info, "JUPE", 4));
222 "%s " TOK_SERVER " %s %d 0 " TIME_T_FMT " %s%u %s%s 0 :%s",
223 NumServ(acptr->serv->up), acptr->name,
224 acptr->hopcount + 1, acptr->serv->timestamp,
225 protocol_str, Protocol(acptr),
226 NumServCap(acptr), acptr->info);
231 "%s " TOK_SERVER " %s %d 0 " TIME_T_FMT " %s%u %s%s 0 :%s",
232 NumServ(acptr->serv->up), acptr->name,
233 acptr->hopcount + 1, acptr->serv->timestamp,
234 protocol_str, Protocol(acptr),
235 NumServCap(acptr), acptr->info);
240 for (acptr = &me; acptr; acptr = acptr->prev)
242 /* acptr->from == acptr for acptr == cptr */
243 if (acptr->from == cptr)
248 char *s = umode_str(acptr);
249 sendto_one(cptr, *s ?
250 "%s N %s %d " TIME_T_FMT " %s %s +%s %s %s%s :%s" :
251 "%s N %s %d " TIME_T_FMT " %s %s %s%s %s%s :%s",
252 NumServ(acptr->user->server),
253 acptr->name, acptr->hopcount + 1, acptr->lastnick,
254 acptr->user->username, acptr->user->host,
255 s, inttobase64(xxx_buf, ntohl(acptr->ip.s_addr), 6),
256 NumNick(acptr), acptr->info);
260 * Last, send the BURST.
261 * (Or for 2.9 servers: pass all channels plus statuses)
264 struct Channel *chptr;
265 for (chptr = GlobalChannelList; chptr; chptr = chptr->next)
266 send_channel_modes(cptr, chptr);
268 sendto_one(cptr, "%s EB", NumServ(&me));