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[READ-ONLY] Mirror of https://github.com/VibeDevelopers/Comet.
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122/* * ircd-ratbox: A slightly useful ircd. * m_capab.c: Negotiates capabilities with a remote server. * * Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center * Copyright (C) 1996-2002 Hybrid Development Team * Copyright (C) 2002-2005 ircd-ratbox development team * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * USA */
#include "stdinc.h"#include "client.h"#include "match.h"#include "s_serv.h"#include "s_conf.h"#include "msg.h"#include "parse.h"#include "modules.h"
static const char capab_desc[] = "Provides the commands used for server-to-server capability negotiation";
static void mr_capab(struct MsgBuf *, struct Client *, struct Client *, int, const char **);static void me_gcap(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
struct Message capab_msgtab = { "CAPAB", 0, 0, 0, 0, {{mr_capab, 2}, mg_ignore, mg_ignore, mg_ignore, mg_ignore, mg_ignore}};struct Message gcap_msgtab = { "GCAP", 0, 0, 0, 0, {mg_ignore, mg_ignore, mg_ignore, mg_ignore, {me_gcap, 2}, mg_ignore}};
mapi_clist_av1 capab_clist[] = { &capab_msgtab, &gcap_msgtab, NULL };
DECLARE_MODULE_AV2(capab, NULL, NULL, capab_clist, NULL, NULL, NULL, NULL, capab_desc);
/* * mr_capab - CAPAB message handler * parv[1] = space-separated list of capabilities */static voidmr_capab(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]){ int i; char *p; char *s;
/* ummm, this shouldn't happen. Could argue this should be logged etc. */ if(client_p->localClient == NULL) return;
if (client_p->user) { exit_client(client_p, client_p, client_p, "Mixing client and server protocol"); return; }
if (!IsServerCapable(client_p, CAP_TS6)) { exit_client(client_p, client_p, client_p, "Incompatible TS version"); return; }
/* CAP_TS6 is set in PASS, so is valid.. */ if((client_p->localClient->server_caps & ~CAP_TS6) != 0) { exit_client(client_p, client_p, client_p, "CAPAB received twice"); return; } else SetServerCap(client_p, CAP_CAP);
rb_free(client_p->localClient->fullcaps); client_p->localClient->fullcaps = rb_strdup(parv[1]);
for (i = 1; i < parc; i++) { char *t = LOCAL_COPY(parv[i]); for (s = rb_strtok_r(t, " ", &p); s; s = rb_strtok_r(NULL, " ", &p)) SetServerCap(client_p, capability_get(serv_capindex, s, NULL)); }}
static voidme_gcap(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]){ char *t = LOCAL_COPY(parv[1]); char *s; char *p;
if(!IsServer(source_p)) return;
/* already had GCAPAB?! */ if(!EmptyString(source_p->serv->fullcaps)) { source_p->serv->server_caps = 0; rb_free(source_p->serv->fullcaps); }
source_p->serv->fullcaps = rb_strdup(parv[1]);
for (s = rb_strtok_r(t, " ", &p); s; s = rb_strtok_r(NULL, " ", &p)) source_p->serv->server_caps |= capability_get(serv_capindex, s, NULL);}