| 1 |
/* |
| 2 |
* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd). |
| 3 |
* m_pong.c: The reply to a ping message. |
| 4 |
* |
| 5 |
* Copyright (C) 2002 by the past and present ircd coders, and others. |
| 6 |
* |
| 7 |
* This program is free software; you can redistribute it and/or modify |
| 8 |
* it under the terms of the GNU General Public License as published by |
| 9 |
* the Free Software Foundation; either version 2 of the License, or |
| 10 |
* (at your option) any later version. |
| 11 |
* |
| 12 |
* This program is distributed in the hope that it will be useful, |
| 13 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 |
* GNU General Public License for more details. |
| 16 |
* |
| 17 |
* You should have received a copy of the GNU General Public License |
| 18 |
* along with this program; if not, write to the Free Software |
| 19 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| 20 |
* USA |
| 21 |
* |
| 22 |
* $Id$ |
| 23 |
*/ |
| 24 |
|
| 25 |
#include "stdinc.h" |
| 26 |
#include "list.h" |
| 27 |
#include "ircd.h" |
| 28 |
#include "handlers.h" |
| 29 |
#include "s_user.h" |
| 30 |
#include "client.h" |
| 31 |
#include "hash.h" /* for find_client() */ |
| 32 |
#include "numeric.h" |
| 33 |
#include "s_conf.h" |
| 34 |
#include "send.h" |
| 35 |
#include "irc_string.h" |
| 36 |
#include "msg.h" |
| 37 |
#include "parse.h" |
| 38 |
#include "modules.h" |
| 39 |
|
| 40 |
static void mr_pong(struct Client *, struct Client *, int, char **); |
| 41 |
static void ms_pong(struct Client *, struct Client *, int, char **); |
| 42 |
|
| 43 |
struct Message pong_msgtab = { |
| 44 |
"PONG", 0, 0, 1, 0, MFLG_SLOW | MFLG_UNREG, 0, |
| 45 |
{mr_pong, m_ignore, ms_pong, m_ignore, m_ignore, m_ignore} |
| 46 |
}; |
| 47 |
|
| 48 |
#ifndef STATIC_MODULES |
| 49 |
void |
| 50 |
_modinit(void) |
| 51 |
{ |
| 52 |
mod_add_cmd(&pong_msgtab); |
| 53 |
} |
| 54 |
|
| 55 |
void |
| 56 |
_moddeinit(void) |
| 57 |
{ |
| 58 |
mod_del_cmd(&pong_msgtab); |
| 59 |
} |
| 60 |
|
| 61 |
const char *_version = "$Revision$"; |
| 62 |
#endif |
| 63 |
|
| 64 |
static void |
| 65 |
ms_pong(struct Client *client_p, struct Client *source_p, |
| 66 |
int parc, char *parv[]) |
| 67 |
{ |
| 68 |
struct Client *target_p; |
| 69 |
const char *origin, *destination; |
| 70 |
|
| 71 |
if (parc < 2 || *parv[1] == '\0') |
| 72 |
{ |
| 73 |
sendto_one(source_p, form_str(ERR_NOORIGIN), |
| 74 |
me.name, parv[0]); |
| 75 |
return; |
| 76 |
} |
| 77 |
|
| 78 |
origin = parv[1]; |
| 79 |
destination = parv[2]; |
| 80 |
|
| 81 |
/* Now attempt to route the PONG, comstud pointed out routable PING |
| 82 |
* is used for SPING. routable PING should also probably be left in |
| 83 |
* -Dianora |
| 84 |
* That being the case, we will route, but only for registered clients (a |
| 85 |
* case can be made to allow them only from servers). -Shadowfax |
| 86 |
*/ |
| 87 |
if (!EmptyString(destination) && !match(destination, me.name) && |
| 88 |
irccmp(destination, me.id)) |
| 89 |
{ |
| 90 |
if ((target_p = find_client(destination)) || |
| 91 |
(target_p = find_server(destination))) |
| 92 |
sendto_one(target_p,":%s PONG %s %s", |
| 93 |
parv[0], origin, destination); |
| 94 |
else |
| 95 |
{ |
| 96 |
sendto_one(source_p, form_str(ERR_NOSUCHSERVER), |
| 97 |
me.name, parv[0], destination); |
| 98 |
return; |
| 99 |
} |
| 100 |
} |
| 101 |
} |
| 102 |
|
| 103 |
static void |
| 104 |
mr_pong(struct Client *client_p, struct Client *source_p, |
| 105 |
int parc, char *parv[]) |
| 106 |
{ |
| 107 |
assert(source_p == client_p); |
| 108 |
|
| 109 |
if (parc == 2 && *parv[1] != '\0') |
| 110 |
{ |
| 111 |
if (ConfigFileEntry.ping_cookie && !source_p->localClient->registration) |
| 112 |
{ |
| 113 |
unsigned int incoming_ping = strtoul(parv[1], NULL, 10); |
| 114 |
|
| 115 |
if (incoming_ping) |
| 116 |
{ |
| 117 |
if (source_p->localClient->random_ping == incoming_ping) |
| 118 |
{ |
| 119 |
SetPingCookie(source_p); |
| 120 |
register_local_user(source_p); |
| 121 |
} |
| 122 |
else |
| 123 |
{ |
| 124 |
sendto_one(source_p, form_str(ERR_WRONGPONG), me.name, |
| 125 |
source_p->name, source_p->localClient->random_ping); |
| 126 |
return; |
| 127 |
} |
| 128 |
} |
| 129 |
} |
| 130 |
} |
| 131 |
else |
| 132 |
sendto_one(source_p, form_str(ERR_NOORIGIN), me.name, parv[0]); |
| 133 |
} |
| 134 |
|
