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Add extensions/cap_realhost

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Ed Kellett 2020-10-18 15:23:45 +01:00
parent 71f10f833f
commit 0862875dd8
2 changed files with 86 additions and 0 deletions
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1
extensions/Makefile.am
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@ -79,6 +79,7 @@ extension_LTLIBRARIES = \
spy_trace_notice.la \
drain.la \
identify_msg.la \
cap_realhost.la \
example_module.la
if HAVE_HYPERSCAN

85
extensions/cap_realhost.c Normal file
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@ -0,0 +1,85 @@
/*
* Copyright (C) 2020 Ed Kellett
*
* 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 <modules.h>
#include <capability.h>
#include <s_serv.h>
#include <s_newconf.h>
#include <client.h>
#include <msgbuf.h>
static char cap_realhost_desc[] = "Provides the solanum.chat/realhost oper-only capability";
static bool cap_realhost_visible(struct Client *);
static void cap_realhost_outbound_msgbuf(void *);
static void cap_realhost_umode_changed(void *);
static unsigned CLICAP_REALHOST;
static struct ClientCapability cap_realhost = {
.visible = cap_realhost_visible,
};
mapi_cap_list_av2 cap_realhost_caps[] = {
{ MAPI_CAP_CLIENT, "solanum.chat/realhost", &cap_realhost, &CLICAP_REALHOST },
{ 0, NULL, NULL, NULL },
};
mapi_hfn_list_av1 cap_realhost_hfnlist[] = {
{ "outbound_msgbuf", cap_realhost_outbound_msgbuf, HOOK_NORMAL },
{ "umode_changed", cap_realhost_umode_changed, HOOK_MONITOR },
{ NULL, NULL, 0 },
};
static bool
cap_realhost_visible(struct Client *client)
{
return HasPrivilege(client, "cap:realhost");
}
static void
cap_realhost_outbound_msgbuf(void *data_)
{
hook_data *data = data_;
struct MsgBuf *msgbuf = data->arg1;
if (data->client == NULL)
return;
if (!IsIPSpoof(data->client) && !EmptyString(data->client->sockhost) && strcmp(data->client->sockhost, "0"))
msgbuf_append_tag(msgbuf, "solanum.chat/ip", data->client->sockhost, CLICAP_REALHOST);
if (!EmptyString(data->client->orighost))
msgbuf_append_tag(msgbuf, "solanum.chat/realhost", data->client->orighost, CLICAP_REALHOST);
}
static void
cap_realhost_umode_changed(void *data_)
{
hook_data_umode_changed *data = data_;
if (!MyClient(data->client))
return;
if (!cap_realhost_visible(data->client))
data->client->localClient->caps &= ~CLICAP_REALHOST;
}
DECLARE_MODULE_AV2(cap_realhost, NULL, NULL, NULL, NULL, cap_realhost_hfnlist, cap_realhost_caps, NULL, cap_realhost_desc);