2 * ircd-ratbox: A slightly useful ircd.
3 * m_webirc.c: Makes CGI:IRC users appear as coming from their real host
5 * Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
6 * Copyright (C) 1996-2002 Hybrid Development Team
7 * Copyright (C) 2002-2006 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
26 * user = "webirc@<cgiirc ip>"; # if identd used, put ident username instead
27 * password = "<password>"; # encryption possible
32 * encrypted - password is encrypted (recommended)
33 * kline_exempt - klines on the cgiirc ip are ignored
34 * dlines are checked on the cgiirc ip (of course).
35 * k/d/x lines, auth blocks, user limits, etc are checked using the
37 * The password should be specified unencrypted in webirc_password in
42 #include "client.h" /* client struct */
45 #include "send.h" /* sendto_one */
46 #include "numeric.h" /* ERR_xxx */
47 #include "ircd.h" /* me */
56 static const char webirc_desc
[] = "Adds support for the WebIRC system";
58 static void mr_webirc(struct MsgBuf
*msgbuf_p
, struct Client
*, struct Client
*, int, const char **);
60 struct Message webirc_msgtab
= {
62 {{mr_webirc
, 5}, mg_reg
, mg_ignore
, mg_ignore
, mg_ignore
, mg_reg
}
65 mapi_clist_av1 webirc_clist
[] = { &webirc_msgtab
, NULL
};
67 static void new_local_user(void *data
);
68 mapi_hfn_list_av1 webirc_hfnlist
[] = {
69 /* unintuitive but correct--we want to be called first */
70 { "new_local_user", (hookfn
) new_local_user
, HOOK_LOWEST
},
74 DECLARE_MODULE_AV2(webirc
, NULL
, NULL
, webirc_clist
, NULL
, webirc_hfnlist
, NULL
, NULL
, webirc_desc
);
77 * mr_webirc - webirc message handler
79 * parv[2] = fake username (we ignore this)
80 * parv[3] = fake hostname
84 mr_webirc(struct MsgBuf
*msgbuf_p
, struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[])
86 struct ConfItem
*aconf
;
88 struct rb_sockaddr_storage addr
;
92 aconf
= find_address_conf(client_p
->host
, client_p
->sockhost
,
93 IsGotId(client_p
) ? client_p
->username
: "webirc",
94 IsGotId(client_p
) ? client_p
->username
: "webirc",
95 (struct sockaddr
*) &client_p
->localClient
->ip
,
96 GET_SS_FAMILY(&client_p
->localClient
->ip
), NULL
);
97 if (aconf
== NULL
|| !(aconf
->status
& CONF_CLIENT
))
99 if (!IsConfDoSpoofIp(aconf
) || irccmp(aconf
->info
.name
, "webirc."))
102 sendto_one(source_p
, "NOTICE * :Not a CGI:IRC auth block");
105 if (EmptyString(aconf
->passwd
))
107 sendto_one(source_p
, "NOTICE * :CGI:IRC auth blocks must have a password");
110 if (!IsSSL(source_p
) && aconf
->flags
& CONF_FLAGS_NEED_SSL
)
112 sendto_one(source_p
, "NOTICE * :Your CGI:IRC block requires TLS");
116 if (EmptyString(parv
[1]))
118 else if (IsConfEncrypted(aconf
))
119 encr
= rb_crypt(parv
[1], aconf
->passwd
);
123 if (encr
== NULL
|| strcmp(encr
, aconf
->passwd
))
125 sendto_one(source_p
, "NOTICE * :CGI:IRC password incorrect");
129 if (rb_inet_pton_sock(parv
[4], &addr
) <= 0)
131 sendto_one(source_p
, "NOTICE * :Invalid IP");
135 source_p
->localClient
->ip
= addr
;
140 for (s
= parv
[5]; s
!= NULL
; (s
= strchr(s
, ' ')) && s
++)
142 if (!ircncmp(s
, "secure", 6) && (s
[6] == '=' || s
[6] == ' ' || s
[6] == '\0'))
147 if (secure
&& !IsSSL(source_p
))
149 sendto_one(source_p
, "NOTICE * :CGI:IRC is not connected securely; marking you as insecure");
155 SetInsecure(source_p
);
158 rb_inet_ntop_sock((struct sockaddr
*)&source_p
->localClient
->ip
, source_p
->sockhost
, sizeof(source_p
->sockhost
));
160 if(strlen(parv
[3]) <= HOSTLEN
)
161 rb_strlcpy(source_p
->host
, parv
[3], sizeof(source_p
->host
));
163 rb_strlcpy(source_p
->host
, source_p
->sockhost
, sizeof(source_p
->host
));
165 /* Check dlines now, klines will be checked on registration */
166 if((aconf
= find_dline((struct sockaddr
*)&source_p
->localClient
->ip
,
167 GET_SS_FAMILY(&source_p
->localClient
->ip
))))
169 if(!(aconf
->status
& CONF_EXEMPTDLINE
))
171 exit_client(client_p
, source_p
, &me
, "D-lined");
176 sendto_one(source_p
, "NOTICE * :CGI:IRC host/IP set to %s %s", parv
[3], parv
[4]);
180 new_local_user(void *data
)
182 struct Client
*source_p
= data
;
183 struct ConfItem
*aconf
= source_p
->localClient
->att_conf
;
185 if (!irccmp(aconf
->info
.name
, "webirc."))
186 exit_client(source_p
, source_p
, &me
, "Cannot log in using a WEBIRC block");