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_snprintf.h"
36 #include "ircd_xopen.h"
44 #include "querycmds.h"
51 #include "sprintf_irc.h"
60 unsigned int max_connection_count = 0;
61 unsigned int max_client_count = 0;
63 int exit_new_server(struct Client* cptr, struct Client* sptr,
64 const char* host, time_t timestamp, const char* fmt, ...)
68 (char*) MyMalloc(strlen(me.name) + strlen(host) + 22 + strlen(fmt));
72 return vexit_client_msg(cptr, cptr, &me, fmt, vl);
73 sprintf_irc(buf, ":%s " TOK_SQUIT " %s " TIME_T_FMT " :", me.name, host, timestamp);
75 vsendto_one(cptr, buf, vl); /* XXX DEAD */
82 int exit_new_server(struct Client *cptr, struct Client *sptr, const char *host,
83 time_t timestamp, const char *pattern, ...)
88 vd.vd_format = pattern;
89 va_start(vd.vd_args, pattern);
92 retval = vexit_client_msg(cptr, cptr, &me, pattern, vd.vd_args);
94 sendcmdto_one(&me, CMD_SQUIT, cptr, "%s %Tu :%v", host, timestamp, &vd);
101 int a_kills_b_too(struct Client *a, struct Client *b)
103 for (; b != a && b != &me; b = b->serv->up);
104 return (a == b ? 1 : 0);
110 * May only be called after a SERVER was received from cptr,
111 * and thus make_server was called, and serv->prot set. --Run
113 int server_estab(struct Client *cptr, struct ConfItem *aconf,
116 struct Client* acptr = 0;
121 assert(0 != cptr->local);
123 split = (0 != ircd_strcmp(cptr->name, cptr->sockhost)
124 && 0 != ircd_strncmp(cptr->info, "JUPE", 4));
127 if (IsUnknown(cptr)) {
128 if (aconf->passwd[0])
129 sendrawto_one(cptr, MSG_PASS " :%s", aconf->passwd);
131 * Pass my info to the new server
133 sendrawto_one(cptr, MSG_SERVER " %s 1 %Tu %Tu J%s %s%s :%s", me.name,
134 me.serv->timestamp, cptr->serv->timestamp, MAJOR_PROTOCOL,
135 NumServCap(&me), *me.info ? me.info : "IRCers United");
138 det_confs_butmask(cptr, CONF_LEAF | CONF_HUB | CONF_SERVER | CONF_UWORLD);
140 if (!IsHandshake(cptr))
143 cptr->handler = SERVER_HANDLER;
144 Count_unknownbecomesserver(UserStats);
146 release_dns_reply(cptr);
150 nextping = CurrentTime;
153 * NOTE: check for acptr->user == cptr->serv->user is necessary to insure
154 * that we got the same one... bleah
156 if (cptr->serv->user && *cptr->serv->by &&
157 (acptr = findNUser(cptr->serv->by))) {
158 if (acptr->user == cptr->serv->user) {
159 sendcmdto_one(&me, CMD_NOTICE, acptr, "%C :Link with %s established.",
164 * if not the same client, set by to empty string
167 *cptr->serv->by = '\0';
171 sendto_opmask_butone(acptr, SNO_OLDSNO, "Link with %s established.", inpath);
172 cptr->serv->up = &me;
173 cptr->serv->updown = add_dlink(&me.serv->down, cptr);
174 sendto_opmask_butone(0, SNO_NETWORK, "Net junction: %s %s", me.name,
178 * Old sendto_serv_but_one() call removed because we now
179 * need to send different names to different servers
180 * (domain name matching) Send new server to other servers.
182 for (i = 0; i <= HighestFd; i++)
184 if (!(acptr = LocalClientArray[i]) || !IsServer(acptr) ||
185 acptr == cptr || IsMe(acptr))
187 if (!match(me.name, cptr->name))
190 sendcmdto_one(&me, CMD_SERVER, acptr,
191 "%s 2 0 %Tu J%02u %s%s 0 %%%Tu :%s", cptr->name,
192 cptr->serv->timestamp, Protocol(cptr), NumServCap(cptr),
193 JupeLastMod(ajupe), cptr->info);
195 sendcmdto_one(&me, CMD_SERVER, acptr,
196 "%s 2 0 %Tu J%02u %s%s 0 :%s", cptr->name,
197 cptr->serv->timestamp, Protocol(cptr), NumServCap(cptr),
202 * Pass on my client information to the new server
204 * First, pass only servers (idea is that if the link gets
205 * cancelled beacause the server was already there,
206 * there are no NICK's to be cancelled...). Of course,
207 * if cancellation occurs, all this info is sent anyway,
208 * and I guess the link dies when a read is attempted...? --msa
210 * Note: Link cancellation to occur at this point means
211 * that at least two servers from my fragment are building
212 * up connection this other fragment at the same time, it's
213 * a race condition, not the normal way of operation...
216 for (acptr = &me; acptr; acptr = acptr->prev) {
217 /* acptr->from == acptr for acptr == cptr */
218 if (acptr->from == cptr)
220 if (IsServer(acptr)) {
221 const char* protocol_str;
223 if (Protocol(acptr) > 9)
224 protocol_str = IsBurst(acptr) ? "J" : "P";
226 protocol_str = IsBurst(acptr) ? "J0" : "P0";
228 if (0 == match(me.name, acptr->name))
230 split = (MyConnect(acptr) &&
231 0 != ircd_strcmp(acptr->name, acptr->sockhost) &&
232 0 != ircd_strncmp(acptr->info, "JUPE", 4));
233 if ((ajupe = jupe_find(acptr->name)) && !JupeIsLocal(ajupe))
234 sendcmdto_one(acptr->serv->up, CMD_SERVER, cptr,
235 "%s %d 0 %Tu %s%u %s%s 0 %%%Tu :%s", acptr->name,
236 acptr->hopcount + 1, acptr->serv->timestamp,
237 protocol_str, Protocol(acptr), NumServCap(acptr),
238 JupeLastMod(ajupe), acptr->info);
240 sendcmdto_one(acptr->serv->up, CMD_SERVER, cptr,
241 "%s %d 0 %Tu %s%u %s%s 0 :%s", acptr->name,
242 acptr->hopcount + 1, acptr->serv->timestamp,
243 protocol_str, Protocol(acptr), NumServCap(acptr),
248 for (acptr = &me; acptr; acptr = acptr->prev)
250 /* acptr->from == acptr for acptr == cptr */
251 if (acptr->from == cptr)
256 char *s = umode_str(acptr);
257 struct Gline *agline = 0;
258 if ((agline = gline_lookup(acptr, GLINE_GLOBAL | GLINE_LASTMOD)))
259 sendcmdto_one(acptr->user->server, CMD_NICK, cptr,
260 "%s %d %Tu %s %s %s%s%s%%%Tu:%s@%s %s %s%s :%s",
261 acptr->name, acptr->hopcount + 1, acptr->lastnick,
262 acptr->user->username, acptr->user->host,
263 *s ? "+" : "", s, *s ? " " : "",
264 GlineLastMod(agline), GlineUser(agline),
266 inttobase64(xxx_buf, ntohl(acptr->ip.s_addr), 6),
267 NumNick(acptr), acptr->info);
269 sendcmdto_one(acptr->user->server, CMD_NICK, cptr,
270 "%s %d %Tu %s %s %s%s%s%s %s%s :%s",
271 acptr->name, acptr->hopcount + 1, acptr->lastnick,
272 acptr->user->username, acptr->user->host,
273 *s ? "+" : "", s, *s ? " " : "",
274 inttobase64(xxx_buf, ntohl(acptr->ip.s_addr), 6),
275 NumNick(acptr), acptr->info);
279 * Last, send the BURST.
280 * (Or for 2.9 servers: pass all channels plus statuses)
283 struct Channel *chptr;
284 for (chptr = GlobalChannelList; chptr; chptr = chptr->next)
285 send_channel_modes(cptr, chptr);
289 sendcmdto_one(&me, CMD_END_OF_BURST, cptr, "");