1 |
/* |
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* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd). |
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* m_dline.c: Bans a user. |
4 |
* |
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* Copyright (C) 2002 by the past and present ircd coders, and others. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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* USA |
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* |
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* $Id$ |
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*/ |
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|
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#include "stdinc.h" |
26 |
#include "list.h" |
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#include "channel.h" |
28 |
#include "client.h" |
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#include "irc_string.h" |
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#include "sprintf_irc.h" |
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#include "conf.h" |
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#include "ircd.h" |
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#include "hostmask.h" |
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#include "numeric.h" |
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#include "fdlist.h" |
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#include "s_bsd.h" |
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#include "log.h" |
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#include "s_misc.h" |
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#include "send.h" |
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#include "hash.h" |
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#include "s_serv.h" |
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#include "parse.h" |
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#include "modules.h" |
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#include "conf_db.h" |
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|
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|
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/* apply_tdline() |
48 |
* |
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* inputs - |
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* output - NONE |
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* side effects - tkline as given is placed |
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*/ |
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static void |
54 |
apply_dline(struct Client *source_p, struct MaskItem *conf, |
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time_t tkline_time) |
56 |
{ |
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if (tkline_time) |
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{ |
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conf->hold = CurrentTime + tkline_time; |
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sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, |
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"%s added temporary %d min. D-Line for [%s] [%s]", |
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get_oper_name(source_p), tkline_time/60, |
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conf->host, conf->reason); |
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sendto_one(source_p, ":%s NOTICE %s :Added temporary %d min. D-Line [%s]", |
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MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from), |
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source_p->name, tkline_time/60, conf->host); |
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ilog(LOG_TYPE_DLINE, "%s added temporary %d min. D-Line for [%s] [%s]", |
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get_oper_name(source_p), tkline_time/60, conf->host, conf->reason); |
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} |
70 |
else |
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{ |
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sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, |
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"%s added D-Line for [%s] [%s]", |
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get_oper_name(source_p), conf->host, conf->reason); |
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sendto_one(source_p, ":%s NOTICE %s :Added D-Line [%s]", |
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MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from), |
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source_p->name, conf->host); |
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ilog(LOG_TYPE_DLINE, "%s added D-Line for [%s] [%s]", |
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get_oper_name(source_p), conf->host, conf->reason); |
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|
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} |
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|
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SetConfDatabase(conf); |
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conf->setat = CurrentTime; |
85 |
add_conf_by_address(CONF_DLINE, conf); |
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rehashed_klines = 1; |
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} |
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|
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/* static int remove_tdline_match(const char *host, const char *user) |
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* Input: An ip to undline. |
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* Output: returns YES on success, NO if no tdline removed. |
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* Side effects: Any matching tdlines are removed. |
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*/ |
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static int |
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remove_dline_match(const char *host) |
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{ |
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struct irc_ssaddr iphost, *piphost; |
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struct MaskItem *conf; |
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int t; |
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|
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if ((t = parse_netmask(host, &iphost, NULL)) != HM_HOST) |
102 |
{ |
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#ifdef IPV6 |
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if (t == HM_IPV6) |
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t = AF_INET6; |
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else |
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#endif |
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t = AF_INET; |
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piphost = &iphost; |
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} |
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else |
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{ |
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t = 0; |
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piphost = NULL; |
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} |
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|
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if ((conf = find_conf_by_address(host, piphost, CONF_DLINE, t, NULL, NULL, 0))) |
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{ |
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if (IsConfDatabase(conf)) |
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{ |
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delete_one_address_conf(host, conf); |
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return 1; |
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} |
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} |
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|
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return 0; |
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} |
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|
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/* mo_dline() |
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* |
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* inputs - pointer to server |
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* - pointer to client |
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* - parameter count |
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* - parameter list |
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* output - |
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* side effects - D line is added |
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* |
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*/ |
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static void |
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mo_dline(struct Client *client_p, struct Client *source_p, |
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int parc, char *parv[]) |
142 |
{ |
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char def_reason[] = "<No reason specified>"; |
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char *dlhost = NULL, *reason = NULL; |
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char *target_server = NULL; |
146 |
const char *creason; |
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const struct Client *target_p = NULL; |
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struct irc_ssaddr daddr; |
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struct MaskItem *conf=NULL; |
150 |
time_t tkline_time=0; |
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int bits, t; |
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const char *current_date = NULL; |
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time_t cur_time; |
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char hostip[HOSTIPLEN + 1]; |
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char buffer[IRCD_BUFSIZE]; |
156 |
|
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if (!HasOFlag(source_p, OPER_FLAG_DLINE)) |
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{ |
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sendto_one(source_p, form_str(ERR_NOPRIVS), |
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me.name, source_p->name, "dline"); |
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return; |
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} |
163 |
|
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if (parse_aline("DLINE", source_p, parc, parv, AWILD, &dlhost, |
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NULL, &tkline_time, &target_server, &reason) < 0) |
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return; |
167 |
|
168 |
if (target_server != NULL) |
169 |
{ |
170 |
if (HasID(source_p)) |
171 |
{ |
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sendto_server(NULL, CAP_DLN|CAP_TS6, NOCAPS, |
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":%s DLINE %s %lu %s :%s", |
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source_p->id, target_server, (unsigned long)tkline_time, |
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dlhost, reason); |
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sendto_server(NULL, CAP_DLN, CAP_TS6, |
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":%s DLINE %s %lu %s :%s", |
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source_p->name, target_server, (unsigned long)tkline_time, |
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dlhost, reason); |
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} |
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else |
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sendto_server(NULL, CAP_DLN, NOCAPS, |
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":%s DLINE %s %lu %s :%s", |
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source_p->name, target_server, (unsigned long)tkline_time, |
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dlhost, reason); |
186 |
|
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/* Allow ON to apply local kline as well if it matches */ |
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if (!match(target_server, me.name)) |
189 |
return; |
190 |
} |
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else |
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cluster_a_line(source_p, "DLINE", CAP_DLN, SHARED_DLINE, |
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"%d %s :%s", tkline_time, dlhost, reason); |
194 |
|
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if ((t = parse_netmask(dlhost, NULL, &bits)) == HM_HOST) |
196 |
{ |
197 |
if ((target_p = find_chasing(client_p, source_p, dlhost, NULL)) == NULL) |
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return; |
199 |
|
200 |
if (!MyConnect(target_p)) |
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{ |
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sendto_one(source_p, |
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":%s NOTICE %s :Can't DLINE nick on another server", |
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me.name, source_p->name); |
205 |
return; |
206 |
} |
207 |
|
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if (IsExemptKline(target_p)) |
209 |
{ |
210 |
sendto_one(source_p, |
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":%s NOTICE %s :%s is E-lined", me.name, |
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source_p->name, target_p->name); |
213 |
return; |
214 |
} |
215 |
|
216 |
getnameinfo((struct sockaddr *)&target_p->localClient->ip, |
217 |
target_p->localClient->ip.ss_len, hostip, |
218 |
sizeof(hostip), NULL, 0, NI_NUMERICHOST); |
219 |
dlhost = hostip; |
220 |
t = parse_netmask(dlhost, NULL, &bits); |
221 |
assert(t == HM_IPV4 || t == HM_IPV6); |
222 |
} |
223 |
|
224 |
if (bits < 8) |
225 |
{ |
226 |
sendto_one(source_p, |
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":%s NOTICE %s :For safety, bitmasks less than 8 require conf access.", |
228 |
me.name, source_p->name); |
229 |
return; |
230 |
} |
231 |
|
232 |
#ifdef IPV6 |
233 |
if (t == HM_IPV6) |
234 |
t = AF_INET6; |
235 |
else |
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#endif |
237 |
t = AF_INET; |
238 |
|
239 |
parse_netmask(dlhost, &daddr, NULL); |
240 |
|
241 |
if ((conf = find_dline_conf(&daddr, t)) != NULL) |
242 |
{ |
243 |
creason = conf->reason ? conf->reason : def_reason; |
244 |
if (IsConfExemptKline(conf)) |
245 |
sendto_one(source_p, |
246 |
":%s NOTICE %s :[%s] is (E)d-lined by [%s] - %s", |
247 |
me.name, source_p->name, dlhost, conf->host, creason); |
248 |
else |
249 |
sendto_one(source_p, |
250 |
":%s NOTICE %s :[%s] already D-lined by [%s] - %s", |
251 |
me.name, source_p->name, dlhost, conf->host, creason); |
252 |
return; |
253 |
} |
254 |
|
255 |
cur_time = CurrentTime; |
256 |
current_date = smalldate(cur_time); |
257 |
|
258 |
if (!valid_comment(source_p, reason, 1)) |
259 |
return; |
260 |
|
261 |
conf = conf_make(CONF_DLINE); |
262 |
DupString(conf->host, dlhost); |
263 |
|
264 |
if (tkline_time != 0) |
265 |
snprintf(buffer, sizeof(buffer), "Temporary D-line %d min. - %s (%s)", |
266 |
(int)(tkline_time/60), reason, current_date); |
267 |
else |
268 |
snprintf(buffer, sizeof(buffer), "%s (%s)", reason, current_date); |
269 |
|
270 |
DupString(conf->reason, buffer); |
271 |
apply_dline(source_p, conf, tkline_time); |
272 |
rehashed_klines = 1; |
273 |
} |
274 |
|
275 |
static void |
276 |
ms_dline(struct Client *client_p, struct Client *source_p, |
277 |
int parc, char *parv[]) |
278 |
{ |
279 |
char def_reason[] = "<No reason specified>"; |
280 |
char *dlhost, *reason; |
281 |
const char *creason; |
282 |
const struct Client *target_p = NULL; |
283 |
struct irc_ssaddr daddr; |
284 |
struct MaskItem *conf=NULL; |
285 |
time_t tkline_time=0; |
286 |
int bits, t; |
287 |
const char *current_date = NULL; |
288 |
time_t cur_time; |
289 |
char hostip[HOSTIPLEN + 1]; |
290 |
char buffer[IRCD_BUFSIZE]; |
291 |
|
292 |
if (parc != 5 || EmptyString(parv[4])) |
293 |
return; |
294 |
|
295 |
/* parv[0] parv[1] parv[2] parv[3] parv[4] */ |
296 |
/* oper target_server tkline_time host reason */ |
297 |
sendto_match_servs(source_p, parv[1], CAP_DLN, |
298 |
"DLINE %s %s %s :%s", |
299 |
parv[1], parv[2], parv[3], parv[4]); |
300 |
|
301 |
if (!match(parv[1], me.name)) |
302 |
return; |
303 |
|
304 |
tkline_time = valid_tkline(parv[2], TK_SECONDS); |
305 |
dlhost = parv[3]; |
306 |
reason = parv[4]; |
307 |
|
308 |
if (HasFlag(source_p, FLAGS_SERVICE) || find_matching_name_conf(CONF_ULINE, source_p->servptr->name, |
309 |
source_p->username, source_p->host, |
310 |
SHARED_DLINE)) |
311 |
{ |
312 |
if (!IsClient(source_p)) |
313 |
return; |
314 |
if ((t = parse_netmask(dlhost, NULL, &bits)) == HM_HOST) |
315 |
{ |
316 |
if ((target_p = find_chasing(client_p, source_p, dlhost, NULL)) == NULL) |
317 |
return; |
318 |
|
319 |
if (!MyConnect(target_p)) |
320 |
{ |
321 |
sendto_one(source_p, |
322 |
":%s NOTICE %s :Can't DLINE nick on another server", |
323 |
me.name, source_p->name); |
324 |
return; |
325 |
} |
326 |
|
327 |
if (IsExemptKline(target_p)) |
328 |
{ |
329 |
sendto_one(source_p, |
330 |
":%s NOTICE %s :%s is E-lined", me.name, |
331 |
source_p->name, target_p->name); |
332 |
return; |
333 |
} |
334 |
|
335 |
getnameinfo((struct sockaddr *)&target_p->localClient->ip, |
336 |
target_p->localClient->ip.ss_len, hostip, |
337 |
sizeof(hostip), NULL, 0, NI_NUMERICHOST); |
338 |
dlhost = hostip; |
339 |
t = parse_netmask(dlhost, NULL, &bits); |
340 |
assert(t == HM_IPV4 || t == HM_IPV6); |
341 |
} |
342 |
|
343 |
if (bits < 8) |
344 |
{ |
345 |
sendto_one(source_p, |
346 |
":%s NOTICE %s :For safety, bitmasks less than 8 require conf access.", |
347 |
me.name, source_p->name); |
348 |
return; |
349 |
} |
350 |
|
351 |
#ifdef IPV6 |
352 |
if (t == HM_IPV6) |
353 |
t = AF_INET6; |
354 |
else |
355 |
#endif |
356 |
t = AF_INET; |
357 |
|
358 |
parse_netmask(dlhost, &daddr, NULL); |
359 |
|
360 |
if ((conf = find_dline_conf(&daddr, t)) != NULL) |
361 |
{ |
362 |
creason = conf->reason ? conf->reason : def_reason; |
363 |
if (IsConfExemptKline(conf)) |
364 |
sendto_one(source_p, |
365 |
":%s NOTICE %s :[%s] is (E)d-lined by [%s] - %s", |
366 |
me.name, source_p->name, dlhost, conf->host, creason); |
367 |
else |
368 |
sendto_one(source_p, |
369 |
":%s NOTICE %s :[%s] already D-lined by [%s] - %s", |
370 |
me.name, source_p->name, dlhost, conf->host, creason); |
371 |
return; |
372 |
} |
373 |
|
374 |
cur_time = CurrentTime; |
375 |
current_date = smalldate(cur_time); |
376 |
|
377 |
if (!valid_comment(source_p, reason, 1)) |
378 |
return; |
379 |
|
380 |
conf = conf_make(CONF_DLINE); |
381 |
DupString(conf->host, dlhost); |
382 |
|
383 |
if (tkline_time != 0) |
384 |
snprintf(buffer, sizeof(buffer), "Temporary D-line %d min. - %s (%s)", |
385 |
(int)(tkline_time/60), reason, current_date); |
386 |
else |
387 |
snprintf(buffer, sizeof(buffer), "%s (%s)", reason, current_date); |
388 |
|
389 |
DupString(conf->reason, buffer); |
390 |
apply_dline(source_p, conf, tkline_time); |
391 |
rehashed_klines = 1; |
392 |
} |
393 |
} |
394 |
|
395 |
/* |
396 |
** m_undline |
397 |
** added May 28th 2000 by Toby Verrall <toot@melnet.co.uk> |
398 |
** based totally on m_unkline |
399 |
** added to hybrid-7 7/11/2000 --is |
400 |
** |
401 |
** parv[0] = sender nick |
402 |
** parv[1] = dline to remove |
403 |
*/ |
404 |
static void |
405 |
mo_undline(struct Client *client_p, struct Client *source_p, |
406 |
int parc, char *parv[]) |
407 |
{ |
408 |
char *addr = NULL, *user = NULL; |
409 |
char *target_server = NULL; |
410 |
|
411 |
if (!HasOFlag(source_p, OPER_FLAG_UNDLINE)) |
412 |
{ |
413 |
sendto_one(source_p, form_str(ERR_NOPRIVS), |
414 |
me.name, source_p->name, "undline"); |
415 |
return; |
416 |
} |
417 |
|
418 |
if (parc < 2 || EmptyString(parv[1])) |
419 |
{ |
420 |
sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), |
421 |
me.name, source_p->name, "UNDLINE"); |
422 |
return; |
423 |
} |
424 |
|
425 |
if (parse_aline("UNDLINE", source_p, parc, parv, 0, &user, |
426 |
&addr, NULL, &target_server, NULL) < 0) |
427 |
return; |
428 |
|
429 |
if (target_server != NULL) |
430 |
{ |
431 |
sendto_match_servs(source_p, target_server, CAP_UNDLN, |
432 |
"UNDLINE %s %s", target_server, addr); |
433 |
|
434 |
/* Allow ON to apply local unkline as well if it matches */ |
435 |
if (!match(target_server, me.name)) |
436 |
return; |
437 |
} |
438 |
else |
439 |
cluster_a_line(source_p, "UNDLINE", CAP_UNDLN, SHARED_UNDLINE, |
440 |
"%s", addr); |
441 |
|
442 |
if (remove_dline_match(addr)) |
443 |
{ |
444 |
sendto_one(source_p, |
445 |
":%s NOTICE %s :D-Line for [%s] is removed", |
446 |
me.name, source_p->name, addr); |
447 |
sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, |
448 |
"%s has removed the D-Line for: [%s]", |
449 |
get_oper_name(source_p), addr); |
450 |
ilog(LOG_TYPE_DLINE, "%s removed D-Line for [%s]", |
451 |
get_oper_name(source_p), addr); |
452 |
} |
453 |
else |
454 |
sendto_one(source_p, ":%s NOTICE %s :No D-Line for [%s] found", |
455 |
me.name, source_p->name, addr); |
456 |
} |
457 |
|
458 |
static void |
459 |
me_undline(struct Client *client_p, struct Client *source_p, |
460 |
int parc, char *parv[]) |
461 |
{ |
462 |
const char *addr = NULL; |
463 |
|
464 |
if (parc != 3 || EmptyString(parv[2])) |
465 |
return; |
466 |
|
467 |
addr = parv[2]; |
468 |
|
469 |
if (!IsClient(source_p) || !match(parv[1], me.name)) |
470 |
return; |
471 |
|
472 |
if (HasFlag(source_p, FLAGS_SERVICE) || find_matching_name_conf(CONF_ULINE, |
473 |
source_p->servptr->name, |
474 |
source_p->username, source_p->host, |
475 |
SHARED_UNDLINE)) |
476 |
{ |
477 |
if (remove_dline_match(addr)) |
478 |
{ |
479 |
sendto_one(source_p, |
480 |
":%s NOTICE %s :D-Line for [%s] is removed", |
481 |
me.name, source_p->name, addr); |
482 |
sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, |
483 |
"%s has removed the D-Line for: [%s]", |
484 |
get_oper_name(source_p), addr); |
485 |
ilog(LOG_TYPE_DLINE, "%s removed temporary D-Line for [%s]", |
486 |
get_oper_name(source_p), addr); |
487 |
} |
488 |
else |
489 |
sendto_one(source_p, ":%s NOTICE %s :No D-Line for [%s] found", |
490 |
me.name, source_p->name, addr); |
491 |
} |
492 |
} |
493 |
|
494 |
static void |
495 |
ms_undline(struct Client *client_p, struct Client *source_p, |
496 |
int parc, char *parv[]) |
497 |
{ |
498 |
if (parc != 3 || EmptyString(parv[2])) |
499 |
return; |
500 |
|
501 |
sendto_match_servs(source_p, parv[1], CAP_UNDLN, |
502 |
"UNDLINE %s %s %s", |
503 |
parv[1], parv[2]); |
504 |
|
505 |
me_undline(client_p, source_p, parc, parv); |
506 |
} |
507 |
|
508 |
static struct Message dline_msgtab = { |
509 |
"DLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0, |
510 |
{m_unregistered, m_not_oper, ms_dline, m_ignore, mo_dline, m_ignore} |
511 |
}; |
512 |
|
513 |
static struct Message undline_msgtab = { |
514 |
"UNDLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0, |
515 |
{m_unregistered, m_not_oper, ms_undline, m_ignore, mo_undline, m_ignore} |
516 |
}; |
517 |
|
518 |
static void |
519 |
module_init(void) |
520 |
{ |
521 |
mod_add_cmd(&dline_msgtab); |
522 |
mod_add_cmd(&undline_msgtab); |
523 |
add_capability("DLN", CAP_DLN, 1); |
524 |
add_capability("UNDLN", CAP_UNDLN, 1); |
525 |
} |
526 |
|
527 |
static void |
528 |
module_exit(void) |
529 |
{ |
530 |
mod_del_cmd(&dline_msgtab); |
531 |
mod_del_cmd(&undline_msgtab); |
532 |
delete_capability("UNDLN"); |
533 |
delete_capability("DLN"); |
534 |
} |
535 |
|
536 |
struct module module_entry = { |
537 |
.node = { NULL, NULL, NULL }, |
538 |
.name = NULL, |
539 |
.version = "$Revision$", |
540 |
.handle = NULL, |
541 |
.modinit = module_init, |
542 |
.modexit = module_exit, |
543 |
.flags = 0 |
544 |
}; |