126 lines
3.5 KiB
C
126 lines
3.5 KiB
C
/*
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* Copyright (C) 2020 Ed Kellett
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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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#include <stdinc.h>
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#include <modules.h>
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#include <capability.h>
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#include <s_serv.h>
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#include <s_newconf.h>
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#include <client.h>
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#include <msgbuf.h>
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static char cap_realhost_desc[] = "Provides the solanum.chat/realhost oper-only capability";
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static bool cap_oper_realhost_visible(struct Client *);
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static void cap_realhost_outbound_msgbuf(void *);
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static void cap_realhost_umode_changed(void *);
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static void cap_realhost_cap_change(void *);
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static unsigned CLICAP_REALHOST;
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static unsigned CLICAP_OPER_REALHOST;
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static struct ClientCapability capdata_oper_realhost = {
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.visible = cap_oper_realhost_visible,
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};
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mapi_cap_list_av2 cap_realhost_caps[] = {
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{ MAPI_CAP_CLIENT, "solanum.chat/realhost", NULL, &CLICAP_REALHOST },
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{ MAPI_CAP_CLIENT, "?oper_realhost", &capdata_oper_realhost, &CLICAP_OPER_REALHOST },
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{ 0, NULL, NULL, NULL },
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};
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mapi_hfn_list_av1 cap_realhost_hfnlist[] = {
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{ "outbound_msgbuf", cap_realhost_outbound_msgbuf, HOOK_NORMAL },
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{ "umode_changed", cap_realhost_umode_changed, HOOK_MONITOR },
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{ "cap_change", cap_realhost_cap_change, HOOK_MONITOR },
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{ NULL, NULL, 0 },
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};
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static bool
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cap_oper_realhost_visible(struct Client *client)
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{
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return false;
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}
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static void
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cap_realhost_outbound_msgbuf(void *data_)
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{
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hook_data *data = data_;
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struct MsgBuf *msgbuf = data->arg1;
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if (data->client == NULL || !IsPerson(data->client))
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return;
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if (!IsIPSpoof(data->client) && !EmptyString(data->client->sockhost) && strcmp(data->client->sockhost, "0"))
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{
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if (IsDynSpoof(data->client))
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msgbuf_append_tag(msgbuf, "solanum.chat/ip", data->client->sockhost, CLICAP_OPER_REALHOST);
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else
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msgbuf_append_tag(msgbuf, "solanum.chat/ip", data->client->sockhost, CLICAP_REALHOST);
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}
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if (!EmptyString(data->client->orighost))
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msgbuf_append_tag(msgbuf, "solanum.chat/realhost", data->client->orighost, CLICAP_OPER_REALHOST);
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}
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static inline void
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update_clicap_oper_realhost(struct Client *client)
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{
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client->localClient->caps &= ~CLICAP_OPER_REALHOST;
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if (client->localClient->caps & CLICAP_REALHOST && HasPrivilege(client, "auspex:hostname"))
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{
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client->localClient->caps |= CLICAP_OPER_REALHOST;
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}
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}
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static void
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cap_realhost_umode_changed(void *data_)
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{
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hook_data_umode_changed *data = data_;
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if (!MyClient(data->client))
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return;
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update_clicap_oper_realhost(data->client);
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}
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static void
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cap_realhost_cap_change(void *data_)
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{
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hook_data_cap_change *data = data_;
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update_clicap_oper_realhost(data->client);
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}
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static int
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modinit(void)
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{
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rb_dlink_node *ptr;
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RB_DLINK_FOREACH(ptr, lclient_list.head)
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{
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struct Client *client = ptr->data;
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update_clicap_oper_realhost(client);
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}
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return 0;
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}
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DECLARE_MODULE_AV2(cap_realhost, modinit, NULL, NULL, NULL, cap_realhost_hfnlist, cap_realhost_caps, NULL, cap_realhost_desc);
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