2 * ircd-ratbox: A slightly useful ircd.
3 * m_error.c: Handles error messages from the other end.
5 * Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
6 * Copyright (C) 1996-2002 Hybrid Development Team
7 * Copyright (C) 2002-2005 ircd-ratbox development team
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
35 static const char error_desc
[] =
36 "Provides the ERROR command for clients and servers";
38 static void m_error(struct MsgBuf
*, struct Client
*, struct Client
*, int, const char **);
39 static void ms_error(struct MsgBuf
*, struct Client
*, struct Client
*, int, const char **);
41 struct Message error_msgtab
= {
43 {{m_error
, 0}, mg_ignore
, mg_ignore
, {ms_error
, 0}, mg_ignore
, mg_ignore
}
46 mapi_clist_av1 error_clist
[] = {
50 DECLARE_MODULE_AV2(error
, NULL
, NULL
, error_clist
, NULL
, NULL
, NULL
, NULL
, error_desc
);
52 /* Determine whether an ERROR message is safe to show (no IP address in it) */
54 is_safe_error(const char *message
)
59 if (!strncmp(message
, "Closing Link: 127.0.0.1 (", 25))
61 snprintf(prefix2
, sizeof prefix2
,
62 "Closing Link: 127.0.0.1 %s (", me
.name
);
63 if (!strncmp(message
, prefix2
, strlen(prefix2
)))
65 if (!strncmp(message
, "Restart by ", 11))
67 if (!strncmp(message
, "Terminated by ", 14))
70 if (!strncasecmp(message
, "Closing Link", 12))
72 if (strchr(message
, '['))
74 p
= strchr(message
, '.');
75 if (p
!= NULL
&& p
[1] != '\0')
77 if (strchr(message
, ':'))
84 * Note: At least at protocol level ERROR has only one parameter,
85 * although this is called internally from other functions
88 * parv[*] = parameters
91 m_error(struct MsgBuf
*msgbuf_p
, struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[])
94 int hideit
= ConfigFileEntry
.hide_error_messages
;
96 para
= (parc
> 1 && *parv
[1] != '\0') ? parv
[1] : "<>";
98 if (IsAnyServer(client_p
))
100 ilog(L_SERVER
, "Received ERROR message from %s: %s",
101 log_client_name(source_p
, SHOW_IP
), para
);
104 if(is_safe_error(para
))
106 if(IsAnyServer(client_p
))
109 sendto_realops_snomask(SNO_GENERAL
, hideit
? L_ADMIN
: (is_remote_connect(client_p
) ? L_NETWIDE
: L_ALL
),
110 "ERROR :from %s -- %s",
111 client_p
->name
, para
);
113 sendto_realops_snomask(SNO_GENERAL
, (hideit
== 1 ? L_OPER
: L_ALL
) | (is_remote_connect(client_p
) ? L_NETWIDE
: L_ALL
),
114 "ERROR :from %s -- <hidden>",
118 exit_client(client_p
, source_p
, source_p
, "ERROR");
122 ms_error(struct MsgBuf
*msgbuf_p
, struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[])
125 int hideit
= ConfigFileEntry
.hide_error_messages
;
127 para
= (parc
> 1 && *parv
[1] != '\0') ? parv
[1] : "<>";
129 ilog(L_SERVER
, "Received ERROR message from %s: %s",
130 log_client_name(source_p
, SHOW_IP
), para
);
132 if(is_safe_error(para
))
137 if(client_p
== source_p
)
139 sendto_realops_snomask(SNO_GENERAL
, hideit
? L_ADMIN
: L_ALL
, "ERROR :from %s -- %s",
140 client_p
->name
, para
);
144 sendto_realops_snomask(SNO_GENERAL
, hideit
? L_ADMIN
: L_ALL
, "ERROR :from %s via %s -- %s",
145 source_p
->name
, client_p
->name
, para
);