mirror of
https://github.com/matrix-construct/construct
synced 2024-12-29 08:54:02 +01:00
102 lines
3.1 KiB
C++
102 lines
3.1 KiB
C++
/*
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* ircd-ratbox: A slightly useful ircd.
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* m_capab.c: Negotiates capabilities with a remote server.
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*
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* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
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* Copyright (C) 1996-2002 Hybrid Development Team
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* Copyright (C) 2002-2005 ircd-ratbox development team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*/
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using namespace ircd;
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static const char capab_desc[] = "Provides the commands used for server-to-server capability negotiation";
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static void mr_capab(struct MsgBuf *, client::client &, client::client &, int, const char **);
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static void me_gcap(struct MsgBuf *, client::client &, client::client &, int, const char **);
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struct Message capab_msgtab = {
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"CAPAB", 0, 0, 0, 0,
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{{mr_capab, 2}, mg_ignore, mg_ignore, mg_ignore, mg_ignore, mg_ignore}
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};
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struct Message gcap_msgtab = {
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"GCAP", 0, 0, 0, 0,
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{mg_ignore, mg_ignore, mg_ignore, mg_ignore, {me_gcap, 2}, mg_ignore}
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};
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mapi_clist_av1 capab_clist[] = { &capab_msgtab, &gcap_msgtab, NULL };
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DECLARE_MODULE_AV2(capab, NULL, NULL, capab_clist, NULL, NULL, NULL, NULL, capab_desc);
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/*
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* mr_capab - CAPAB message handler
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* parv[1] = space-separated list of capabilities
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*/
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static void
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mr_capab(struct MsgBuf *msgbuf_p, client::client &client, client::client &source, int parc, const char *parv[])
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{
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int i;
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char *p;
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char *s;
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/* ummm, this shouldn't happen. Could argue this should be logged etc. */
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if(client.localClient == NULL)
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return;
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if(client.user)
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return;
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/* CAP_TS6 is set in PASS, so is valid.. */
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if((client.localClient->caps & ~CAP_TS6) != 0)
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{
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exit_client(&client, &client, &client, "CAPAB received twice");
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return;
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}
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else
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client.localClient->caps |= CAP_CAP;
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rb_free(client.localClient->fullcaps);
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client.localClient->fullcaps = rb_strdup(parv[1]);
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for (i = 1; i < parc; i++)
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{
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char *t = LOCAL_COPY(parv[i]);
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for (s = rb_strtok_r(t, " ", &p); s; s = rb_strtok_r(NULL, " ", &p))
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client.localClient->caps |= serv_capindex.get(s, NULL);
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}
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}
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static void
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me_gcap(struct MsgBuf *msgbuf_p, client::client &client, client::client &source,
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int parc, const char *parv[])
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{
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char *t = LOCAL_COPY(parv[1]);
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char *s;
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char *p;
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if(!is_server(source))
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return;
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/* already had GCAPAB?! */
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if (fullcaps(serv(source)).size())
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caps(serv(source)) = 0;
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fullcaps(serv(source)) = parv[1];
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for (s = rb_strtok_r(t, " ", &p); s; s = rb_strtok_r(NULL, " ", &p))
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caps(serv(source)) |= serv_capindex.get(s, NULL);
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}
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