3 * Copyright (C) 2002-2003 Lee Hardy <lee@leeh.co.uk>
4 * Copyright (C) 2002-2005 ircd-ratbox development team
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
10 * 1.Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer.
12 * 2.Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3.The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
22 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
27 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
49 #include "s_newconf.h"
54 static const char xline_desc
[] =
55 "Provides management of GECOS bans via (UN)XLINE command";
57 static void mo_xline(struct MsgBuf
*msgbuf_p
, struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[]);
58 static void ms_xline(struct MsgBuf
*msgbuf_p
, struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[]);
59 static void me_xline(struct MsgBuf
*msgbuf_p
, struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[]);
60 static void mo_unxline(struct MsgBuf
*msgbuf_p
, struct Client
*client_p
, struct Client
*source_p
, int parc
,
62 static void ms_unxline(struct MsgBuf
*msgbuf_p
, struct Client
*client_p
, struct Client
*source_p
, int parc
,
64 static void me_unxline(struct MsgBuf
*msgbuf_p
, struct Client
*client_p
, struct Client
*source_p
, int parc
,
67 static bool valid_xline(struct Client
*, const char *, const char *);
68 static void apply_xline(struct Client
*client_p
, const char *name
,
69 const char *reason
, int temp_time
, bool propagated
);
70 static void propagate_xline(struct Client
*source_p
, const char *target
,
71 int temp_time
, const char *name
, const char *type
, const char *reason
);
72 static void cluster_xline(struct Client
*source_p
, int temp_time
,
73 const char *name
, const char *reason
);
75 static void handle_remote_xline(struct Client
*source_p
, int temp_time
,
76 const char *name
, const char *reason
);
77 static void handle_remote_unxline(struct Client
*source_p
, const char *name
);
78 static void remove_xline(struct Client
*source_p
, const char *name
,
81 struct Message xline_msgtab
= {
83 {mg_unreg
, mg_not_oper
, {ms_xline
, 5}, {ms_xline
, 5}, {me_xline
, 5}, {mo_xline
, 3}}
86 struct Message unxline_msgtab
= {
87 "UNXLINE", 0, 0, 0, 0,
88 {mg_unreg
, mg_not_oper
, {ms_unxline
, 3}, {ms_unxline
, 3}, {me_unxline
, 2}, {mo_unxline
, 2}}
91 mapi_clist_av1 xline_clist
[] = { &xline_msgtab
, &unxline_msgtab
, NULL
};
93 DECLARE_MODULE_AV2(xline
, NULL
, NULL
, xline_clist
, NULL
, NULL
, NULL
, NULL
, xline_desc
);
97 * parv[1] - thing to xline
98 * parv[2] - optional type/reason
102 mo_xline(struct MsgBuf
*msgbuf_p
, struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[])
104 struct ConfItem
*aconf
;
107 const char *target_server
= NULL
;
110 bool propagated
= ConfigFileEntry
.use_propagated_bans
;
112 if(!IsOperXline(source_p
))
114 sendto_one(source_p
, form_str(ERR_NOPRIVS
), me
.name
, source_p
->name
, "xline");
118 if((temp_time
= valid_temp_time(parv
[loc
])) >= 0)
120 /* we just set temp_time to -1! */
127 /* XLINE <gecos> ON <server> :<reason> */
128 if(parc
>= loc
+ 2 && !irccmp(parv
[loc
], "ON"))
130 if(!IsOperRemoteBan(source_p
))
132 sendto_one(source_p
, form_str(ERR_NOPRIVS
),
133 me
.name
, source_p
->name
, "remoteban");
137 target_server
= parv
[loc
+ 1];
141 if(parc
<= loc
|| EmptyString(parv
[loc
]))
143 sendto_one(source_p
, form_str(ERR_NEEDMOREPARAMS
),
144 me
.name
, source_p
->name
, "XLINE");
150 if(target_server
!= NULL
)
152 propagate_xline(source_p
, target_server
, temp_time
, name
, "2", reason
);
154 if(!match(target_server
, me
.name
))
157 /* Set as local-only. */
160 else if(!propagated
&& rb_dlink_list_length(&cluster_conf_list
) > 0)
161 cluster_xline(source_p
, temp_time
, name
, reason
);
163 if((aconf
= find_xline_mask(name
)) != NULL
)
165 sendto_one(source_p
, ":%s NOTICE %s :[%s] already X-Lined by [%s] - %s",
166 me
.name
, source_p
->name
, name
, aconf
->host
, aconf
->passwd
);
170 if(!valid_xline(source_p
, name
, reason
))
173 if(propagated
&& temp_time
== 0)
175 sendto_one_notice(source_p
, ":Cannot set a permanent global ban");
179 apply_xline(source_p
, name
, reason
, temp_time
, propagated
);
184 * handles a remote xline
187 ms_xline(struct MsgBuf
*msgbuf_p
, struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[])
189 /* parv[0] parv[1] parv[2] parv[3] parv[4]
190 * oper target serv xline type reason
192 propagate_xline(source_p
, parv
[1], 0, parv
[2], parv
[3], parv
[4]);
194 if(!IsPerson(source_p
))
197 /* destined for me? */
198 if(!match(parv
[1], me
.name
))
201 handle_remote_xline(source_p
, 0, parv
[2], parv
[4]);
205 me_xline(struct MsgBuf
*msgbuf_p
, struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[])
207 /* time name type :reason */
208 if(!IsPerson(source_p
))
211 handle_remote_xline(source_p
, atoi(parv
[1]), parv
[2], parv
[4]);
215 handle_remote_xline(struct Client
*source_p
, int temp_time
, const char *name
, const char *reason
)
217 struct ConfItem
*aconf
;
219 if(!find_shared_conf(source_p
->username
, source_p
->host
,
220 source_p
->servptr
->name
,
221 (temp_time
> 0) ? SHARED_TXLINE
: SHARED_PXLINE
))
224 if(!valid_xline(source_p
, name
, reason
))
228 if((aconf
= find_xline_mask(name
)) != NULL
)
230 sendto_one_notice(source_p
, ":[%s] already X-Lined by [%s] - %s", name
, aconf
->host
,
235 apply_xline(source_p
, name
, reason
, temp_time
, false);
240 * inputs - client xlining, gecos, reason and whether to warn
242 * side effects - checks the xline for validity, erroring if needed
245 valid_xline(struct Client
*source_p
, const char *gecos
, const char *reason
)
247 if(EmptyString(reason
))
249 sendto_one(source_p
, form_str(ERR_NEEDMOREPARAMS
),
250 get_id(&me
, source_p
), get_id(source_p
, source_p
), "XLINE");
254 if(!valid_wild_card_simple(gecos
))
256 sendto_one_notice(source_p
,
257 ":Please include at least %d non-wildcard "
258 "characters with the xline",
259 ConfigFileEntry
.min_nonwildcard_simple
);
267 apply_xline(struct Client
*source_p
, const char *name
, const char *reason
, int temp_time
, bool propagated
)
269 struct ConfItem
*aconf
;
272 aconf
->status
= CONF_XLINE
;
273 aconf
->created
= rb_current_time();
274 aconf
->host
= rb_strdup(name
);
275 aconf
->passwd
= rb_strdup(reason
);
276 collapse(aconf
->host
);
278 aconf
->info
.oper
= operhash_add(get_oper_name(source_p
));
282 aconf
->flags
|= CONF_FLAGS_MYOPER
| CONF_FLAGS_TEMPORARY
;
283 aconf
->hold
= rb_current_time() + temp_time
;
284 aconf
->lifetime
= aconf
->hold
;
286 replace_old_ban(aconf
);
287 rb_dlinkAddAlloc(aconf
, &prop_bans
);
289 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
290 "%s added global %d min. X-Line for [%s] [%s]",
291 get_oper_name(source_p
), temp_time
/ 60,
292 aconf
->host
, reason
);
293 ilog(L_KLINE
, "X %s %d %s %s",
294 get_oper_name(source_p
), temp_time
/ 60, name
, reason
);
295 sendto_one_notice(source_p
, ":Added global %d min. X-Line [%s]",
296 temp_time
/ 60, aconf
->host
);
297 sendto_server(NULL
, NULL
, CAP_BAN
|CAP_TS6
, NOCAPS
,
298 ":%s BAN X * %s %lu %d %d * :%s",
299 source_p
->id
, aconf
->host
,
300 (unsigned long)aconf
->created
,
301 (int)(aconf
->hold
- aconf
->created
),
302 (int)(aconf
->lifetime
- aconf
->created
),
305 else if(temp_time
> 0)
307 aconf
->hold
= rb_current_time() + temp_time
;
309 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
310 "%s added temporary %d min. X-Line for [%s] [%s]",
311 get_oper_name(source_p
), temp_time
/ 60,
312 aconf
->host
, reason
);
313 ilog(L_KLINE
, "X %s %d %s %s",
314 get_oper_name(source_p
), temp_time
/ 60, name
, reason
);
315 sendto_one_notice(source_p
, ":Added temporary %d min. X-Line [%s]",
316 temp_time
/ 60, aconf
->host
);
320 sendto_realops_snomask(SNO_GENERAL
, L_ALL
, "%s added X-Line for [%s] [%s]",
321 get_oper_name(source_p
), aconf
->host
, aconf
->passwd
);
322 sendto_one_notice(source_p
, ":Added X-Line for [%s] [%s]",
323 aconf
->host
, aconf
->passwd
);
325 bandb_add(BANDB_XLINE
, source_p
, aconf
->host
, NULL
, aconf
->passwd
, NULL
, 0);
326 ilog(L_KLINE
, "X %s 0 %s %s", get_oper_name(source_p
), name
, aconf
->passwd
);
329 rb_dlinkAddAlloc(aconf
, &xline_conf_list
);
334 propagate_xline(struct Client
*source_p
, const char *target
,
335 int temp_time
, const char *name
, const char *type
, const char *reason
)
339 sendto_match_servs(source_p
, target
, CAP_CLUSTER
, NOCAPS
,
340 "XLINE %s %s %s :%s", target
, name
, type
, reason
);
341 sendto_match_servs(source_p
, target
, CAP_ENCAP
, CAP_CLUSTER
,
342 "ENCAP %s XLINE %d %s 2 :%s", target
, temp_time
, name
, reason
);
345 sendto_match_servs(source_p
, target
, CAP_ENCAP
, NOCAPS
,
346 "ENCAP %s XLINE %d %s %s :%s",
347 target
, temp_time
, name
, type
, reason
);
351 cluster_xline(struct Client
*source_p
, int temp_time
, const char *name
, const char *reason
)
353 struct remote_conf
*shared_p
;
356 RB_DLINK_FOREACH(ptr
, cluster_conf_list
.head
)
358 shared_p
= ptr
->data
;
360 /* old protocol cant handle temps, and we dont really want
361 * to convert them to perm.. --fl
365 if(!(shared_p
->flags
& SHARED_PXLINE
))
368 sendto_match_servs(source_p
, shared_p
->server
, CAP_CLUSTER
, NOCAPS
,
369 "XLINE %s %s 2 :%s", shared_p
->server
, name
, reason
);
370 sendto_match_servs(source_p
, shared_p
->server
, CAP_ENCAP
, CAP_CLUSTER
,
371 "ENCAP %s XLINE 0 %s 2 :%s",
372 shared_p
->server
, name
, reason
);
374 else if(shared_p
->flags
& SHARED_TXLINE
)
375 sendto_match_servs(source_p
, shared_p
->server
, CAP_ENCAP
, NOCAPS
,
376 "ENCAP %s XLINE %d %s 2 :%s",
377 shared_p
->server
, temp_time
, name
, reason
);
383 * parv[1] - thing to unxline
386 mo_unxline(struct MsgBuf
*msgbuf_p
, struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[])
388 bool propagated
= true;
390 if(!IsOperXline(source_p
))
392 sendto_one(source_p
, form_str(ERR_NOPRIVS
), me
.name
, source_p
->name
, "xline");
396 if(parc
== 4 && !(irccmp(parv
[2], "ON")))
398 if(!IsOperRemoteBan(source_p
))
400 sendto_one(source_p
, form_str(ERR_NOPRIVS
),
401 me
.name
, source_p
->name
, "remoteban");
405 propagate_generic(source_p
, "UNXLINE", parv
[3], CAP_CLUSTER
, "%s", parv
[1]);
407 if(match(parv
[3], me
.name
) == 0)
412 /* cluster{} moved to remove_xline */
414 remove_xline(source_p
, parv
[1], propagated
);
419 * handles a remote unxline
422 ms_unxline(struct MsgBuf
*msgbuf_p
, struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[])
424 /* parv[0] parv[1] parv[2]
425 * oper target server gecos
427 propagate_generic(source_p
, "UNXLINE", parv
[1], CAP_CLUSTER
, "%s", parv
[2]);
429 if(!match(parv
[1], me
.name
))
432 if(!IsPerson(source_p
))
435 handle_remote_unxline(source_p
, parv
[2]);
439 me_unxline(struct MsgBuf
*msgbuf_p
, struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[])
442 if(!IsPerson(source_p
))
445 handle_remote_unxline(source_p
, parv
[1]);
449 handle_remote_unxline(struct Client
*source_p
, const char *name
)
451 if(!find_shared_conf(source_p
->username
, source_p
->host
,
452 source_p
->servptr
->name
, SHARED_UNXLINE
))
455 remove_xline(source_p
, name
, false);
459 remove_xline(struct Client
*source_p
, const char *name
, bool propagated
)
461 struct ConfItem
*aconf
;
465 RB_DLINK_FOREACH(ptr
, xline_conf_list
.head
)
469 if(!irccmp(aconf
->host
, name
))
475 sendto_one_notice(source_p
, ":Cannot remove global X-Line %s on specific servers", name
);
478 ptr
= rb_dlinkFind(aconf
, &prop_bans
);
481 sendto_one_notice(source_p
, ":X-Line for [%s] is removed", name
);
482 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
483 "%s has removed the global X-Line for: [%s]",
484 get_oper_name(source_p
), name
);
485 ilog(L_KLINE
, "UX %s %s", get_oper_name(source_p
), name
);
486 now
= rb_current_time();
487 if(aconf
->created
< now
)
488 aconf
->created
= now
;
491 aconf
->hold
= aconf
->created
;
492 operhash_delete(aconf
->info
.oper
);
493 aconf
->info
.oper
= operhash_add(get_oper_name(source_p
));
494 aconf
->flags
|= CONF_FLAGS_MYOPER
| CONF_FLAGS_TEMPORARY
;
495 sendto_server(NULL
, NULL
, CAP_BAN
|CAP_TS6
, NOCAPS
,
496 ":%s BAN X * %s %lu %d %d * :*",
497 source_p
->id
, aconf
->host
,
498 (unsigned long)aconf
->created
,
500 (int)(aconf
->lifetime
- aconf
->created
));
501 remove_reject_mask(aconf
->host
, NULL
);
502 deactivate_conf(aconf
, ptr
, now
);
505 else if(propagated
&& rb_dlink_list_length(&cluster_conf_list
))
506 cluster_generic(source_p
, "UNXLINE", SHARED_UNXLINE
, CAP_CLUSTER
, "%s", name
);
509 bandb_del(BANDB_XLINE
, aconf
->host
, NULL
);
511 sendto_one_notice(source_p
, ":X-Line for [%s] is removed", aconf
->host
);
512 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
513 "%s has removed the X-Line for: [%s]",
514 get_oper_name(source_p
), aconf
->host
);
515 ilog(L_KLINE
, "UX %s %s", get_oper_name(source_p
), aconf
->host
);
519 sendto_one_notice(source_p
, ":X-Line for [%s] is removed", name
);
520 sendto_realops_snomask(SNO_GENERAL
, L_ALL
,
521 "%s has removed the temporary X-Line for: [%s]",
522 get_oper_name(source_p
), name
);
523 ilog(L_KLINE
, "UX %s %s", get_oper_name(source_p
), name
);
526 remove_reject_mask(aconf
->host
, NULL
);
528 rb_dlinkDestroy(ptr
, &xline_conf_list
);
533 if(propagated
&& rb_dlink_list_length(&cluster_conf_list
))
534 cluster_generic(source_p
, "UNXLINE", SHARED_UNXLINE
, CAP_CLUSTER
, "%s", name
);
536 sendto_one_notice(source_p
, ":No X-Line for %s", name
);