1 /* modules/m_services.c
2 * Copyright (C) 2005 Lee Hardy <lee -at- leeh.co.uk>
3 * Copyright (C) 2005 ircd-ratbox development team
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
9 * 1.Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
11 * 2.Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3.The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
21 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
23 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
25 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
26 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 * POSSIBILITY OF SUCH DAMAGE.
29 * $Id: m_services.c 1907 2006-08-29 19:18:15Z jilles $
42 #include "s_newconf.h"
51 static int _modinit(void);
52 static void _moddeinit(void);
54 static void mark_services(void);
55 static void unmark_services(void);
57 static int me_su(struct Client
*, struct Client
*, int, const char **);
58 static int me_login(struct Client
*, struct Client
*, int, const char **);
59 static int me_rsfnc(struct Client
*, struct Client
*, int, const char **);
60 static int me_nickdelay(struct Client
*, struct Client
*, int, const char **);
62 static void h_svc_server_introduced(hook_data_client
*);
63 static void h_svc_whois(hook_data_client
*);
64 static void h_svc_stats(hook_data_int
*);
65 static void h_svc_conf_read_start(void *);
66 static void h_svc_conf_read_end(void *);
68 struct Message su_msgtab
= {
69 "SU", 0, 0, 0, MFLG_SLOW
,
70 {mg_ignore
, mg_ignore
, mg_ignore
, mg_ignore
, {me_su
, 2}, mg_ignore
}
72 struct Message login_msgtab
= {
73 "LOGIN", 0, 0, 0, MFLG_SLOW
,
74 {mg_ignore
, mg_ignore
, mg_ignore
, mg_ignore
, {me_login
, 2}, mg_ignore
}
76 struct Message rsfnc_msgtab
= {
77 "RSFNC", 0, 0, 0, MFLG_SLOW
,
78 {mg_ignore
, mg_ignore
, mg_ignore
, mg_ignore
, {me_rsfnc
, 4}, mg_ignore
}
80 struct Message nickdelay_msgtab
= {
81 "NICKDELAY", 0, 0, 0, MFLG_SLOW
,
82 {mg_unreg
, mg_ignore
, mg_ignore
, mg_ignore
, {me_nickdelay
, 3}, mg_ignore
}
85 mapi_clist_av1 services_clist
[] = {
86 &su_msgtab
, &login_msgtab
, &rsfnc_msgtab
, &nickdelay_msgtab
, NULL
88 mapi_hfn_list_av1 services_hfnlist
[] = {
89 { "doing_stats", (hookfn
) h_svc_stats
},
90 { "doing_whois", (hookfn
) h_svc_whois
},
91 { "doing_whois_global", (hookfn
) h_svc_whois
},
92 { "server_introduced", (hookfn
) h_svc_server_introduced
},
93 { "conf_read_start", (hookfn
) h_svc_conf_read_start
},
94 { "conf_read_end", (hookfn
) h_svc_conf_read_end
},
98 DECLARE_MODULE_AV1(services
, _modinit
, _moddeinit
, services_clist
, NULL
, services_hfnlist
, "$Revision: 1907 $");
114 me_su(struct Client
*client_p
, struct Client
*source_p
,
115 int parc
, const char *parv
[])
117 struct Client
*target_p
;
119 if(!(source_p
->flags
& FLAGS_SERVICE
))
121 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
122 "Non-service server %s attempting to execute services-only command SU", source_p
->name
);
126 if((target_p
= find_client(parv
[1])) == NULL
)
132 if(EmptyString(parv
[2]))
133 target_p
->user
->suser
[0] = '\0';
135 rb_strlcpy(target_p
->user
->suser
, parv
[2], sizeof(target_p
->user
->suser
));
137 sendto_common_channels_local_butone(target_p
, CLICAP_ACCOUNT_NOTIFY
, NOCAPS
, ":%s!%s@%s ACCOUNT %s",
138 target_p
->name
, target_p
->username
, target_p
->host
,
139 EmptyString(target_p
->user
->suser
) ? "*" : target_p
->user
->suser
);
141 invalidate_bancache_user(target_p
);
147 me_login(struct Client
*client_p
, struct Client
*source_p
,
148 int parc
, const char *parv
[])
150 if(!IsPerson(source_p
))
153 rb_strlcpy(source_p
->user
->suser
, parv
[1], sizeof(source_p
->user
->suser
));
158 clean_nick(const char *nick
)
162 if(EmptyString(nick
) || *nick
== '-' || IsDigit(*nick
))
168 if(!IsNickChar(*nick
))
179 me_rsfnc(struct Client
*client_p
, struct Client
*source_p
,
180 int parc
, const char *parv
[])
182 struct Client
*target_p
;
183 struct Client
*exist_p
;
185 char note
[NICKLEN
+ 10];
187 if(!(source_p
->flags
& FLAGS_SERVICE
))
189 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
190 "Non-service server %s attempting to execute services-only command RSFNC", source_p
->name
);
194 if((target_p
= find_person(parv
[1])) == NULL
)
197 if(!MyClient(target_p
))
200 if(!clean_nick(parv
[2]))
203 curts
= atol(parv
[4]);
205 /* if tsinfo is different from what it was when services issued the
206 * RSFNC, then we ignore it. This can happen when a client changes
207 * nicknames before the RSFNC arrives.. --anfl
209 if(target_p
->tsinfo
!= curts
)
212 if((exist_p
= find_named_client(parv
[2])))
216 /* this would be one hell of a race condition to trigger
217 * this one given the tsinfo check above, but its here for
220 if(target_p
== exist_p
)
223 if(MyClient(exist_p
))
224 sendto_one(exist_p
, ":%s KILL %s :(Nickname regained by services)",
225 me
.name
, exist_p
->name
);
227 exist_p
->flags
|= FLAGS_KILLED
;
228 /* Do not send kills to servers for unknowns -- jilles */
229 if(IsClient(exist_p
))
231 kill_client_serv_butone(NULL
, exist_p
, "%s (Nickname regained by services)",
233 sendto_realops_snomask(SNO_SKILL
, L_ALL
,
234 "Nick collision due to services forced nick change on %s",
238 rb_snprintf(buf
, sizeof(buf
), "Killed (%s (Nickname regained by services))",
240 exit_client(NULL
, exist_p
, &me
, buf
);
244 newts
= atol(parv
[3]);
246 /* timestamp is older than 15mins, ignore it */
247 if(newts
< (rb_current_time() - 900))
248 newts
= rb_current_time() - 900;
250 target_p
->tsinfo
= newts
;
252 monitor_signoff(target_p
);
254 invalidate_bancache_user(target_p
);
256 sendto_realops_snomask(SNO_NCHANGE
, L_ALL
,
257 "Nick change: From %s to %s [%s@%s]",
258 target_p
->name
, parv
[2], target_p
->username
,
261 sendto_common_channels_local(target_p
, NOCAPS
, NOCAPS
, ":%s!%s@%s NICK :%s",
262 target_p
->name
, target_p
->username
,
263 target_p
->host
, parv
[2]);
265 add_history(target_p
, 1);
266 sendto_server(NULL
, NULL
, CAP_TS6
, NOCAPS
, ":%s NICK %s :%ld",
267 use_id(target_p
), parv
[2], (long) target_p
->tsinfo
);
269 del_from_client_hash(target_p
->name
, target_p
);
270 rb_strlcpy(target_p
->name
, parv
[2], NICKLEN
);
271 add_to_client_hash(target_p
->name
, target_p
);
273 monitor_signon(target_p
);
275 del_all_accepts(target_p
);
277 rb_snprintf(note
, NICKLEN
+ 10, "Nick: %s", target_p
->name
);
278 rb_note(target_p
->localClient
->F
, note
);
284 ** parv[1] = duration in seconds (0 to remove)
288 me_nickdelay(struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[])
293 if(!(source_p
->flags
& FLAGS_SERVICE
))
295 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
296 "Non-service server %s attempting to execute services-only command NICKDELAY", source_p
->name
);
300 duration
= atoi(parv
[1]);
303 nd
= irc_dictionary_retrieve(nd_dict
, parv
[2]);
309 if (duration
> 86400)
311 add_nd_entry(parv
[2]);
312 nd
= irc_dictionary_retrieve(nd_dict
, parv
[2]);
314 nd
->expire
= rb_current_time() + duration
;
321 h_svc_server_introduced(hook_data_client
*hdata
)
325 RB_DLINK_FOREACH(ptr
, service_list
.head
)
327 if(!irccmp((const char *) ptr
->data
, hdata
->target
->name
))
329 hdata
->target
->flags
|= FLAGS_SERVICE
;
336 h_svc_whois(hook_data_client
*data
)
338 char *p
= data
->target
->user
->suser
;
341 /* Try to strip off any leading digits as this may be used to
342 * store both an ID number and an account name in one field.
343 * If only digits are present, leave as is.
348 p
= data
->target
->user
->suser
;
350 sendto_one_numeric(data
->client
, RPL_WHOISLOGGEDIN
,
351 form_str(RPL_WHOISLOGGEDIN
),
352 data
->target
->name
, p
);
357 h_svc_stats(hook_data_int
*data
)
359 char statchar
= (char) data
->arg2
;
362 if (statchar
== 'U' && IsOper(data
->client
))
364 RB_DLINK_FOREACH(ptr
, service_list
.head
)
366 sendto_one_numeric(data
->client
, RPL_STATSULINE
,
367 form_str(RPL_STATSULINE
),
368 (const char *)ptr
->data
, "*", "*", "s");
374 h_svc_conf_read_start(void *dummy
)
380 unmark_services(void)
382 struct Client
*target_p
;
385 RB_DLINK_FOREACH(ptr
, global_serv_list
.head
)
387 target_p
= ptr
->data
;
389 target_p
->flags
&= ~FLAGS_SERVICE
;
394 h_svc_conf_read_end(void *dummy
)
402 struct Client
*target_p
;
405 RB_DLINK_FOREACH(ptr
, service_list
.head
)
407 target_p
= find_server(NULL
, (const char *)ptr
->data
);
410 target_p
->flags
|= FLAGS_SERVICE
;