| 1 |
/* |
| 2 |
* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd). |
| 3 |
* m_xline.c: xlines an user. |
| 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 "channel.h" |
| 27 |
#include "client.h" |
| 28 |
#include "common.h" |
| 29 |
#include "ircd.h" |
| 30 |
#include "hostmask.h" |
| 31 |
#include "numeric.h" |
| 32 |
#include "s_conf.h" |
| 33 |
#include "parse_aline.h" |
| 34 |
#include "send.h" |
| 35 |
#include "hash.h" |
| 36 |
#include "handlers.h" |
| 37 |
#include "s_serv.h" |
| 38 |
#include "msg.h" |
| 39 |
#include "parse.h" |
| 40 |
#include "conf/modules.h" |
| 41 |
#include "resv.h" |
| 42 |
|
| 43 |
static void mo_xline(struct Client *, struct Client *, int, char *[]); |
| 44 |
static void ms_xline(struct Client *, struct Client *, int, char *[]); |
| 45 |
static void me_xline(struct Client *, struct Client *, int, char *[]); |
| 46 |
|
| 47 |
static void mo_unxline(struct Client *, struct Client *, int, char *[]); |
| 48 |
static void ms_unxline(struct Client *, struct Client *, int, char *[]); |
| 49 |
|
| 50 |
static int valid_xline(struct Client *, char *, char *, int); |
| 51 |
static void write_xline(struct Client *, char *, char *, time_t); |
| 52 |
static void remove_xline(struct Client *, char *); |
| 53 |
static int remove_txline_match(const char *); |
| 54 |
|
| 55 |
static void relay_xline(struct Client *, char *[]); |
| 56 |
|
| 57 |
struct Message xline_msgtab = { |
| 58 |
"XLINE", 0, 0, 2, 0, MFLG_SLOW, 0, |
| 59 |
{ m_unregistered, m_not_oper, ms_xline, me_xline, mo_xline, m_ignore } |
| 60 |
}; |
| 61 |
|
| 62 |
struct Message unxline_msgtab = { |
| 63 |
"UNXLINE", 0, 0, 2, 0, MFLG_SLOW, 0, |
| 64 |
{ m_unregistered, m_not_oper, ms_unxline, m_ignore, mo_unxline, m_ignore } |
| 65 |
}; |
| 66 |
|
| 67 |
INIT_MODULE(m_xline, "$Revision$") |
| 68 |
{ |
| 69 |
mod_add_cmd(&xline_msgtab); |
| 70 |
mod_add_cmd(&unxline_msgtab); |
| 71 |
} |
| 72 |
|
| 73 |
CLEANUP_MODULE |
| 74 |
{ |
| 75 |
mod_del_cmd(&unxline_msgtab); |
| 76 |
mod_del_cmd(&xline_msgtab); |
| 77 |
} |
| 78 |
|
| 79 |
/* mo_xline() |
| 80 |
* |
| 81 |
* inputs - pointer to server |
| 82 |
* - pointer to client |
| 83 |
* - parameter count |
| 84 |
* - parameter list |
| 85 |
* output - |
| 86 |
* side effects - x line is added |
| 87 |
* |
| 88 |
*/ |
| 89 |
static void |
| 90 |
mo_xline(struct Client *client_p, struct Client *source_p, |
| 91 |
int parc, char *parv[]) |
| 92 |
{ |
| 93 |
char *reason = NULL; |
| 94 |
char *gecos = NULL; |
| 95 |
struct ConfItem *conf = NULL; |
| 96 |
struct MatchItem *match_item = NULL; |
| 97 |
char *target_server = NULL; |
| 98 |
time_t tkline_time = 0; |
| 99 |
|
| 100 |
if (!IsOperX(source_p)) |
| 101 |
{ |
| 102 |
sendto_one(source_p, form_str(ERR_NOPRIVS), |
| 103 |
me.name, source_p->name, "xline"); |
| 104 |
return; |
| 105 |
} |
| 106 |
|
| 107 |
/* |
| 108 |
* XLINE <gecos> <time> ON <mask> :<reason> |
| 109 |
* XLINE <gecos> ON <mask> :<reason> |
| 110 |
*/ |
| 111 |
if (parse_aline("XLINE", source_p, parc, parv, AWILD, &gecos, NULL, |
| 112 |
&tkline_time, &target_server, &reason) < 0) |
| 113 |
return; |
| 114 |
|
| 115 |
if (target_server != NULL) |
| 116 |
{ |
| 117 |
/* if a given expire time is given, ENCAP it */ |
| 118 |
if (tkline_time != 0) |
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sendto_match_servs(source_p, target_server, CAP_ENCAP, |
| 120 |
"ENCAP %s XLINE %d %s 0 :%s", |
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target_server, (int)tkline_time, gecos, reason); |
| 122 |
else |
| 123 |
sendto_match_servs(source_p, target_server, CAP_CLUSTER, |
| 124 |
"XLINE %s %s %d :%s", |
| 125 |
target_server, gecos, (int)tkline_time, reason); |
| 126 |
|
| 127 |
/* Allow ON to apply local xline as well if it matches */ |
| 128 |
if (!match(target_server, me.name)) |
| 129 |
return; |
| 130 |
} |
| 131 |
else |
| 132 |
{ |
| 133 |
if (tkline_time != 0) |
| 134 |
cluster_a_line(source_p, "ENCAP", CAP_ENCAP, SHARED_XLINE, |
| 135 |
"XLINE %d %s 0 :%s", (int)tkline_time, gecos, reason); |
| 136 |
else |
| 137 |
cluster_a_line(source_p, "XLINE", CAP_KLN, SHARED_XLINE, |
| 138 |
"%s 0 :%s", gecos, reason); |
| 139 |
} |
| 140 |
|
| 141 |
if (!valid_xline(source_p, gecos, reason, 0)) |
| 142 |
return; |
| 143 |
|
| 144 |
if ((conf = find_matching_name_conf(XLINE_TYPE, gecos, |
| 145 |
NULL, NULL, 0)) != NULL) |
| 146 |
{ |
| 147 |
match_item = &conf->conf.MatchItem; |
| 148 |
|
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sendto_one(source_p, ":%s NOTICE %s :[%s] already X-Lined by [%s] - %s", |
| 150 |
me.name, source_p->name, gecos, |
| 151 |
conf->name, match_item->reason); |
| 152 |
return; |
| 153 |
} |
| 154 |
|
| 155 |
write_xline(source_p, gecos, reason, tkline_time); |
| 156 |
} |
| 157 |
|
| 158 |
/* ms_xline() |
| 159 |
* |
| 160 |
* inputs - oper, target server, xline, {type}, reason |
| 161 |
* deprecate {type} reserve for temp xlines later? XXX |
| 162 |
* |
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* outputs - none |
| 164 |
* side effects - propagates xline, applies it if we are a target |
| 165 |
*/ |
| 166 |
static void |
| 167 |
ms_xline(struct Client *client_p, struct Client *source_p, |
| 168 |
int parc, char *parv[]) |
| 169 |
{ |
| 170 |
if (parc != 5 || EmptyString(parv[4])) |
| 171 |
return; |
| 172 |
|
| 173 |
if (!IsClient(source_p)) |
| 174 |
return; |
| 175 |
|
| 176 |
if (!valid_xline(source_p, parv[2], parv[4], 0)) |
| 177 |
return; |
| 178 |
|
| 179 |
relay_xline(source_p, parv); |
| 180 |
} |
| 181 |
|
| 182 |
/* me_xline() |
| 183 |
* |
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* inputs - server |
| 185 |
* - client (oper) |
| 186 |
* - parc number of arguments |
| 187 |
* - parv list of arguments |
| 188 |
* via parv[] |
| 189 |
* parv[1] = target |
| 190 |
* parv[2] = server |
| 191 |
* parv[3] = xline |
| 192 |
* parv[4] = time |
| 193 |
* parv[5] = reason |
| 194 |
* |
| 195 |
* outputs - none |
| 196 |
* side effects - |
| 197 |
*/ |
| 198 |
static void |
| 199 |
me_xline(struct Client *client_p, struct Client *source_p, |
| 200 |
int parc, char *parv[]) |
| 201 |
{ |
| 202 |
if (!IsClient(source_p) || parc != 5) |
| 203 |
return; |
| 204 |
|
| 205 |
relay_xline(source_p, parv); |
| 206 |
} |
| 207 |
|
| 208 |
static void |
| 209 |
relay_xline(struct Client *source_p, char *parv[]) |
| 210 |
{ |
| 211 |
struct ConfItem *conf; |
| 212 |
struct MatchItem *match_item; |
| 213 |
int t_sec; |
| 214 |
|
| 215 |
t_sec = atoi(parv[3]); |
| 216 |
/* XXX kludge! */ |
| 217 |
if (t_sec < 3) |
| 218 |
t_sec = 0; |
| 219 |
|
| 220 |
sendto_match_servs(source_p, parv[1], CAP_CLUSTER, |
| 221 |
"XLINE %s %s %s :%s", |
| 222 |
parv[1], parv[2], parv[3], parv[4]); |
| 223 |
|
| 224 |
if (!match(parv[1], me.name)) |
| 225 |
return; |
| 226 |
|
| 227 |
if (find_matching_name_conf(ULINE_TYPE, source_p->servptr->name, |
| 228 |
source_p->username, source_p->host, |
| 229 |
SHARED_XLINE)) |
| 230 |
{ |
| 231 |
if ((conf = find_matching_name_conf(XLINE_TYPE, parv[2], |
| 232 |
NULL, NULL, 0)) != NULL) |
| 233 |
{ |
| 234 |
match_item = &conf->conf.MatchItem; |
| 235 |
sendto_one(source_p, ":%s NOTICE %s :[%s] already X-Lined by [%s] - %s", |
| 236 |
ID_or_name(&me, source_p->from), |
| 237 |
ID_or_name(source_p, source_p->from), |
| 238 |
parv[2], conf->name, match_item->reason); |
| 239 |
return; |
| 240 |
} |
| 241 |
|
| 242 |
write_xline(source_p, parv[2], parv[4], t_sec); |
| 243 |
} |
| 244 |
} |
| 245 |
|
| 246 |
/* mo_unxline() |
| 247 |
* |
| 248 |
* inputs - pointer to server |
| 249 |
* - pointer to client |
| 250 |
* - parameter count |
| 251 |
* - parameter list |
| 252 |
* output - |
| 253 |
* side effects - removes a xline |
| 254 |
*/ |
| 255 |
static void |
| 256 |
mo_unxline(struct Client *client_p, struct Client *source_p, |
| 257 |
int parc, char *parv[]) |
| 258 |
{ |
| 259 |
char *gecos = NULL; |
| 260 |
char *target_server = NULL; |
| 261 |
|
| 262 |
if (!IsOperX(source_p)) |
| 263 |
{ |
| 264 |
sendto_one(source_p, form_str(ERR_NOPRIVS), |
| 265 |
me.name, source_p->name, "unxline"); |
| 266 |
return; |
| 267 |
} |
| 268 |
|
| 269 |
/* UNXLINE bill ON irc.server.com */ |
| 270 |
if (parse_aline("UNXLINE", source_p, parc, parv, 0, &gecos, |
| 271 |
NULL, NULL, &target_server, NULL) < 0) |
| 272 |
return; |
| 273 |
|
| 274 |
if (target_server != NULL) |
| 275 |
{ |
| 276 |
sendto_match_servs(source_p, target_server, CAP_CLUSTER, |
| 277 |
"UNXLINE %s %s", target_server, gecos); |
| 278 |
|
| 279 |
/* Allow ON to apply local unxline as well if it matches */ |
| 280 |
if (!match(target_server, me.name)) |
| 281 |
return; |
| 282 |
} |
| 283 |
else |
| 284 |
cluster_a_line(source_p, "UNXLINE", CAP_CLUSTER, SHARED_UNXLINE, |
| 285 |
"%s", gecos); |
| 286 |
|
| 287 |
remove_xline(source_p, gecos); |
| 288 |
} |
| 289 |
|
| 290 |
/* ms_unxline() |
| 291 |
* |
| 292 |
* inputs - oper, target server, gecos |
| 293 |
* outputs - none |
| 294 |
* side effects - propagates unxline, applies it if we are a target |
| 295 |
*/ |
| 296 |
static void |
| 297 |
ms_unxline(struct Client *client_p, struct Client *source_p, |
| 298 |
int parc, char *parv[]) |
| 299 |
{ |
| 300 |
if (parc != 3) |
| 301 |
return; |
| 302 |
|
| 303 |
if (!IsClient(source_p) || EmptyString(parv[2])) |
| 304 |
return; |
| 305 |
|
| 306 |
sendto_match_servs(source_p, parv[1], CAP_CLUSTER, |
| 307 |
"UNXLINE %s %s", parv[1], parv[2]); |
| 308 |
|
| 309 |
if (!match(parv[1], me.name)) |
| 310 |
return; |
| 311 |
|
| 312 |
if (find_matching_name_conf(ULINE_TYPE, source_p->servptr->name, |
| 313 |
source_p->username, source_p->host, |
| 314 |
SHARED_UNXLINE)) |
| 315 |
remove_xline(source_p, parv[2]); |
| 316 |
} |
| 317 |
|
| 318 |
/* valid_xline() |
| 319 |
* |
| 320 |
* inputs - client to complain to, gecos, reason, whether to complain |
| 321 |
* outputs - 1 for valid, else 0 |
| 322 |
* side effects - complains to client, when warn != 0 |
| 323 |
*/ |
| 324 |
static int |
| 325 |
valid_xline(struct Client *source_p, char *gecos, char *reason, int warn) |
| 326 |
{ |
| 327 |
if (EmptyString(reason)) |
| 328 |
{ |
| 329 |
if (warn) |
| 330 |
sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), |
| 331 |
me.name, source_p->name, "XLINE"); |
| 332 |
return 0; |
| 333 |
} |
| 334 |
|
| 335 |
if (strchr(gecos, '"')) |
| 336 |
{ |
| 337 |
sendto_one(source_p, ":%s NOTICE %s :Invalid character '\"'", |
| 338 |
me.name, source_p->name); |
| 339 |
return 0; |
| 340 |
} |
| 341 |
|
| 342 |
if (!valid_wild_card_simple(gecos)) |
| 343 |
{ |
| 344 |
if (warn) |
| 345 |
sendto_one(source_p, ":%s NOTICE %s :Please include at least %d non-wildcard characters with the xline", |
| 346 |
me.name, source_p->name, ConfigFileEntry.min_nonwildcard_simple); |
| 347 |
|
| 348 |
return 0; |
| 349 |
} |
| 350 |
|
| 351 |
return 1; |
| 352 |
} |
| 353 |
|
| 354 |
/* write_xline() |
| 355 |
* |
| 356 |
* inputs - client taking credit for xline, gecos, reason, xline type |
| 357 |
* outputs - none |
| 358 |
* side effects - when successful, adds an xline to the conf |
| 359 |
*/ |
| 360 |
static void |
| 361 |
write_xline(struct Client *source_p, char *gecos, char *reason, |
| 362 |
time_t tkline_time) |
| 363 |
{ |
| 364 |
struct ConfItem *conf; |
| 365 |
struct MatchItem *match_item; |
| 366 |
const char *current_date; |
| 367 |
time_t cur_time; |
| 368 |
|
| 369 |
conf = make_conf_item(XLINE_TYPE); |
| 370 |
match_item = &conf->conf.MatchItem; |
| 371 |
|
| 372 |
collapse(gecos); |
| 373 |
DupString(conf->name, gecos); |
| 374 |
DupString(match_item->reason, reason); |
| 375 |
DupString(match_item->oper_reason, ""); /* XXX */ |
| 376 |
cur_time = CurrentTime; |
| 377 |
current_date = smalldate(cur_time); |
| 378 |
|
| 379 |
if (tkline_time != 0) |
| 380 |
{ |
| 381 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
| 382 |
"%s added temporary %d min. X-Line for [%s] [%s]", |
| 383 |
get_oper_name(source_p), (int)tkline_time/60, |
| 384 |
conf->name, match_item->reason); |
| 385 |
sendto_one(source_p, ":%s NOTICE %s :Added temporary %d min. X-Line [%s]", |
| 386 |
MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from), |
| 387 |
source_p->name, (int)tkline_time/60, conf->name); |
| 388 |
ilog(L_TRACE, "%s added temporary %d min. X-Line for [%s] [%s]", |
| 389 |
get_oper_name(source_p), (int)tkline_time/60, |
| 390 |
conf->name, match_item->reason); |
| 391 |
match_item->hold = CurrentTime + tkline_time; |
| 392 |
add_temp_line(conf); |
| 393 |
} |
| 394 |
else |
| 395 |
{ |
| 396 |
write_conf_line(source_p, conf, current_date, cur_time); |
| 397 |
|
| 398 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
| 399 |
"%s added X-Line for [%s] [%s]", |
| 400 |
get_oper_name(source_p), conf->name, |
| 401 |
match_item->reason); |
| 402 |
sendto_one(source_p, |
| 403 |
":%s NOTICE %s :Added X-Line [%s] [%s] to %s", |
| 404 |
MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from), |
| 405 |
source_p->name, conf->name, |
| 406 |
match_item->reason, ConfigFileEntry.xlinefile); |
| 407 |
ilog(L_TRACE, "%s added X-Line for [%s] [%s]", |
| 408 |
get_oper_name(source_p), conf->name, |
| 409 |
match_item->reason); |
| 410 |
} |
| 411 |
|
| 412 |
rehashed_klines = 1; |
| 413 |
} |
| 414 |
|
| 415 |
static void |
| 416 |
remove_xline(struct Client *source_p, char *gecos) |
| 417 |
{ |
| 418 |
/* XXX use common temporary un function later */ |
| 419 |
if (remove_txline_match(gecos)) |
| 420 |
{ |
| 421 |
sendto_one(source_p, |
| 422 |
":%s NOTICE %s :Un-xlined [%s] from temporary X-Lines", |
| 423 |
me.name, source_p->name, gecos); |
| 424 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
| 425 |
"%s has removed the temporary X-Line for: [%s]", |
| 426 |
get_oper_name(source_p), gecos); |
| 427 |
ilog(L_NOTICE, "%s removed temporary X-Line for [%s]", |
| 428 |
get_oper_name(source_p), gecos); |
| 429 |
return; |
| 430 |
} |
| 431 |
|
| 432 |
if (remove_conf_line(XLINE_TYPE, source_p, gecos, NULL) > 0) |
| 433 |
{ |
| 434 |
sendto_one(source_p, ":%s NOTICE %s :X-Line for [%s] is removed", |
| 435 |
me.name, source_p->name, gecos); |
| 436 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
| 437 |
"%s has removed the X-Line for: [%s]", |
| 438 |
get_oper_name(source_p), gecos); |
| 439 |
ilog(L_NOTICE, "%s removed X-Line for [%s]", |
| 440 |
get_oper_name(source_p), gecos); |
| 441 |
return; |
| 442 |
} |
| 443 |
|
| 444 |
sendto_one(source_p, ":%s NOTICE %s :No X-Line for %s", |
| 445 |
me.name, source_p->name, gecos); |
| 446 |
} |
| 447 |
|
| 448 |
/* static int remove_tkline_match(const char *host, const char *user) |
| 449 |
* |
| 450 |
* Inputs: gecos |
| 451 |
* Output: returns YES on success, NO if no tkline removed. |
| 452 |
* Side effects: Any matching tklines are removed. |
| 453 |
*/ |
| 454 |
static int |
| 455 |
remove_txline_match(const char *gecos) |
| 456 |
{ |
| 457 |
dlink_node *ptr = NULL, *next_ptr = NULL; |
| 458 |
struct ConfItem *conf = NULL; |
| 459 |
|
| 460 |
DLINK_FOREACH_SAFE(ptr, next_ptr, temporary_xlines.head) |
| 461 |
{ |
| 462 |
conf = ptr->data; |
| 463 |
|
| 464 |
if (!irccmp(gecos, conf->name)) |
| 465 |
{ |
| 466 |
dlinkDelete(ptr, &temporary_xlines); |
| 467 |
free_dlink_node(ptr); |
| 468 |
delete_conf_item(conf); |
| 469 |
|
| 470 |
return 1; |
| 471 |
} |
| 472 |
} |
| 473 |
|
| 474 |
return 0; |
| 475 |
} |
