1 |
/* |
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* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd). |
3 |
* m_gline.c: Votes towards globally banning a mask. |
4 |
* |
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* Copyright (C) 2002 by the past and present ircd coders, and others. |
6 |
* |
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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 "tools.h" |
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#include "handlers.h" |
28 |
#include "s_gline.h" |
29 |
#include "channel.h" |
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#include "client.h" |
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#include "common.h" |
32 |
#include "irc_string.h" |
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#include "sprintf_irc.h" |
34 |
#include "ircd.h" |
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#include "hostmask.h" |
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#include "numeric.h" |
37 |
#include "fdlist.h" |
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#include "s_bsd.h" |
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#include "s_conf.h" |
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#include "s_misc.h" |
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#include "send.h" |
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#include "msg.h" |
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#include "fileio.h" |
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#include "s_serv.h" |
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#include "hash.h" |
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#include "parse.h" |
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#include "modules.h" |
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#include "list.h" |
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#include "s_log.h" |
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|
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#define GLINE_NOT_PLACED 0 |
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#ifdef GLINE_VOTING |
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#define GLINE_ALREADY_VOTED -1 |
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#endif /* GLINE_VOTING */ |
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#define GLINE_PLACED 1 |
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|
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extern dlink_list gdeny_items; |
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|
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/* internal functions */ |
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static void set_local_gline(const struct Client *, |
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const char *, const char *, const char *); |
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static int remove_gline_match(const char *, const char *); |
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|
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#ifdef GLINE_VOTING |
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static int check_majority(const struct Client *, const char *, |
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const char *, const char *, int); |
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|
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static void add_new_majority(const struct Client *, |
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const char *, const char *, const char *); |
70 |
#endif /* GLINE_VOTING */ |
71 |
|
72 |
static void do_sgline(struct Client *, struct Client *, int, char **, int); |
73 |
|
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static void me_gline(struct Client *, struct Client *, int, char **); |
75 |
static void ms_gline(struct Client *, struct Client *, int, char **); |
76 |
static void mo_gline(struct Client *, struct Client *, int, char **); |
77 |
|
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static void do_sungline(struct Client *, struct Client *, int, char **, int); |
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|
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static void me_gungline(struct Client *, struct Client *, int, char **); |
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static void mo_gungline(struct Client *, struct Client *, int, char **); |
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|
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/* |
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* gline enforces 3 parameters to force operator to give a reason |
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* a gline is not valid with "No reason" |
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* -db |
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*/ |
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struct Message gline_msgtab = { |
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"GLINE", 0, 0, 3, 0, MFLG_SLOW, 0, |
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{m_unregistered, m_not_oper, ms_gline, me_gline, mo_gline, m_ignore} |
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}; |
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|
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struct Message ungline_msgtab = { |
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"GUNGLINE", 0, 0, 3, 0, MFLG_SLOW, 0, |
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{m_unregistered, m_not_oper, m_ignore, me_gungline, mo_gungline, m_ignore} |
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}; |
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|
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|
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#ifndef STATIC_MODULES |
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void |
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_modinit(void) |
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{ |
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mod_add_cmd(&gline_msgtab); |
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mod_add_cmd(&ungline_msgtab); |
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add_capability("GLN", CAP_GLN, 1); |
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} |
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|
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void |
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_moddeinit(void) |
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{ |
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mod_del_cmd(&gline_msgtab); |
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mod_del_cmd(&ungline_msgtab); |
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delete_capability("GLN"); |
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} |
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|
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const char *_version = "$Revision$"; |
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#endif |
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|
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/* mo_gline() |
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* |
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* inputs - The usual for a m_ function |
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* output - |
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* side effects - |
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* |
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* Place a G line if 3 opers agree on the identical user@host |
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* |
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*/ |
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/* Allow this server to pass along GLINE if received and |
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* GLINES is not defined. |
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* |
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*/ |
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|
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static void |
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mo_gline(struct Client *client_p, struct Client *source_p, |
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int parc, char *parv[]) |
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{ |
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char *user = NULL; |
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char *host = NULL; /* user and host of GLINE "victim" */ |
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char *reason = NULL; /* reason for "victims" demise */ |
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char *p; |
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|
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if (!ConfigFileEntry.glines) |
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{ |
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sendto_one(source_p, ":%s NOTICE %s :GLINE disabled", |
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me.name, source_p->name); |
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return; |
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} |
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|
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if (!IsOperGline(source_p)) |
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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, "gline"); |
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return; |
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} |
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|
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if (parse_aline("GLINE", source_p, parc, parv, |
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AWILD, &user, &host, NULL, NULL, &reason) < 0) |
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return; |
159 |
|
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if ((p = strchr(host, '/')) != NULL) |
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{ |
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int bitlen = strtol(++p, NULL, 10); |
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int min_bitlen = strchr(host, ':') ? ConfigFileEntry.gline_min_cidr6 : |
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ConfigFileEntry.gline_min_cidr; |
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if (bitlen < min_bitlen) |
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{ |
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sendto_one(source_p, ":%s NOTICE %s :Cannot set G-Lines with CIDR length < %d", |
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me.name, source_p->name, min_bitlen); |
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return; |
170 |
} |
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} |
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|
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#ifdef GLINE_VOTING |
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/* If at least 3 opers agree this user should be G lined then do it */ |
175 |
if (check_majority(0, source_p, user, host, reason) == |
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GLINE_ALREADY_VOTED) |
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{ |
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sendto_one(source_p, |
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":%s NOTICE %s :This server or oper has already voted", |
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me.name, source_p->name); |
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return; |
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} |
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|
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/* |
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* call these two functions first so the 'requesting' notice always comes |
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* before the 'has triggered' notice. -bill |
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*/ |
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sendto_realops_flags(UMODE_ALL, L_ALL, |
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"%s requesting G-Line for [%s@%s] [%s]", |
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get_oper_name(source_p), |
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user, host, reason); |
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ilog(L_TRACE, "#gline for %s@%s [%s] requested by %s!%s@%s", |
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user, host, reason, source_p->name, source_p->username, |
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source_p->host); |
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#else |
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set_local_gline(source_p, user, host, reason); |
197 |
#endif /* GLINE_VOTING */ |
198 |
|
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/* 4 param version for hyb-7 servers */ |
200 |
sendto_server(NULL, NULL, CAP_GLN|CAP_TS6, NOCAPS, |
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":%s GLINE %s %s :%s", |
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ID(source_p), user, host, reason); |
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sendto_server(NULL, NULL, CAP_GLN, CAP_TS6, |
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":%s GLINE %s %s :%s", |
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source_p->name, user, host, reason); |
206 |
|
207 |
/* 8 param for hyb-6 */ |
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sendto_server(NULL, NULL, CAP_TS6, CAP_GLN, |
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":%s GLINE %s %s %s %s %s %s :%s", |
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ID(&me), |
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ID(source_p), source_p->username, |
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source_p->host, source_p->servptr->name, user, host, |
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reason); |
214 |
sendto_server(NULL, NULL, NOCAPS, CAP_GLN|CAP_TS6, |
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":%s GLINE %s %s %s %s %s %s :%s", |
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me.name, source_p->name, source_p->username, |
217 |
source_p->host, source_p->servptr->name, user, host, |
218 |
reason); |
219 |
} |
220 |
|
221 |
/* ms_gline() |
222 |
* me_gline() |
223 |
* do_sgline() |
224 |
* |
225 |
* inputs - The usual for a m_ function |
226 |
* output - |
227 |
* side effects - |
228 |
* |
229 |
* Place a G line if 3 opers agree on the identical user@host |
230 |
* |
231 |
* Allow this server to pass along GLINE if received and |
232 |
* GLINES is not defined. |
233 |
* |
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* ENCAP'd GLINES are propagated by encap code. |
235 |
*/ |
236 |
|
237 |
static void |
238 |
ms_gline(struct Client *client_p, struct Client *source_p, |
239 |
int parc, char *parv[]) |
240 |
{ |
241 |
do_sgline(client_p, source_p, parc, parv, 1); |
242 |
} |
243 |
|
244 |
static void |
245 |
me_gline(struct Client *client_p, struct Client *source_p, |
246 |
int parc, char *parv[]) |
247 |
{ |
248 |
do_sgline(client_p, source_p, parc, parv, 0); |
249 |
} |
250 |
|
251 |
static void |
252 |
do_sgline(struct Client *client_p, struct Client *source_p, |
253 |
int parc, char *parv[], int prop) |
254 |
{ |
255 |
const char *reason = NULL; /* reason for "victims" demise */ |
256 |
char *user = NULL; |
257 |
char *host = NULL; /* user and host of GLINE "victim" */ |
258 |
int var_offset, logged = 0; |
259 |
dlink_node *ptr; |
260 |
struct ConfItem *conf; |
261 |
struct AccessItem *aconf; |
262 |
|
263 |
/* hyb-7 style gline (post beta3) */ |
264 |
if (parc == 4 && IsClient(source_p)) |
265 |
var_offset = 0; |
266 |
/* or it's a hyb-6 style */ |
267 |
else if (parc == 8 && IsServer(source_p)) |
268 |
{ |
269 |
var_offset = 4; |
270 |
|
271 |
/* |
272 |
* if we are dealing with an old style formatted gline, |
273 |
* the gline message is originating from the oper's server, |
274 |
* so we update source_p to point to the oper now, so that |
275 |
* logging works down the line. -bill |
276 |
*/ |
277 |
if ((source_p = find_person(client_p, parv[1])) == NULL) |
278 |
return; |
279 |
|
280 |
if (irccmp(parv[2], source_p->username) != 0 || |
281 |
irccmp(parv[3], source_p->host) != 0 || |
282 |
irccmp(parv[4], source_p->servptr->name) != 0) |
283 |
{ |
284 |
/* |
285 |
* at this point we know one of the parameters provided by |
286 |
* the h6 server was faulty. bail out. |
287 |
*/ |
288 |
return; |
289 |
} |
290 |
} |
291 |
/* none of the above */ |
292 |
else |
293 |
return; |
294 |
|
295 |
assert(source_p->servptr != NULL); |
296 |
|
297 |
user = parv[++var_offset]; |
298 |
host = parv[++var_offset]; |
299 |
reason = parv[++var_offset]; |
300 |
|
301 |
var_offset = 0; |
302 |
|
303 |
DLINK_FOREACH(ptr, gdeny_items.head) |
304 |
{ |
305 |
conf = ptr->data; |
306 |
aconf = (struct AccessItem *)map_to_conf(conf); |
307 |
|
308 |
if (match(conf->name, source_p->servptr->name) && |
309 |
match(aconf->user, source_p->username) && |
310 |
match(aconf->host, source_p->host)) |
311 |
{ |
312 |
var_offset = aconf->flags; |
313 |
break; |
314 |
} |
315 |
} |
316 |
|
317 |
if (prop && !(var_offset & GDENY_BLOCK)) |
318 |
{ |
319 |
sendto_server(client_p, NULL, CAP_GLN, NOCAPS, |
320 |
":%s GLINE %s %s :%s", |
321 |
source_p->name, user, host, reason); |
322 |
/* hyb-6 version to the rest */ |
323 |
sendto_server(client_p, NULL, NOCAPS, CAP_GLN, |
324 |
":%s GLINE %s %s %s %s %s %s :%s", |
325 |
source_p->servptr->name, |
326 |
source_p->name, source_p->username, source_p->host, |
327 |
source_p->servptr->name, |
328 |
user, host, reason); |
329 |
} |
330 |
else if (ConfigFileEntry.gline_logging & GDENY_BLOCK && ServerInfo.hub) |
331 |
{ |
332 |
sendto_realops_flags(UMODE_ALL, L_ALL, "Blocked G-Line %s requested on [%s@%s] [%s]", |
333 |
get_oper_name(source_p), user, host, reason); |
334 |
ilog(L_TRACE, "Blocked G-Line %s requested on [%s@%s] [%s]", |
335 |
get_oper_name(source_p), user, host, reason); |
336 |
logged = 1; |
337 |
} |
338 |
|
339 |
|
340 |
if (var_offset & GDENY_REJECT) |
341 |
{ |
342 |
if (ConfigFileEntry.gline_logging & GDENY_REJECT && !logged) |
343 |
{ |
344 |
sendto_realops_flags(UMODE_ALL, L_ALL, "Rejected G-Line %s requested on [%s@%s] [%s]", |
345 |
get_oper_name(source_p), user, host, reason); |
346 |
ilog(L_TRACE, "Rejected G-Line %s requested on [%s@%s] [%s]", |
347 |
get_oper_name(source_p), user, host, reason); |
348 |
} |
349 |
return; |
350 |
} |
351 |
|
352 |
if (ConfigFileEntry.glines) |
353 |
{ |
354 |
if (!valid_wild_card(source_p, YES, 2, user, host)) |
355 |
return; |
356 |
|
357 |
if (IsClient(source_p)) |
358 |
{ |
359 |
const char *p = NULL; |
360 |
if ((p = strchr(host, '/'))) |
361 |
{ |
362 |
int bitlen = strtol(++p, NULL, 10); |
363 |
int min_bitlen = strchr(host, ':') ? ConfigFileEntry.gline_min_cidr6 : |
364 |
ConfigFileEntry.gline_min_cidr; |
365 |
|
366 |
if (bitlen < min_bitlen) |
367 |
{ |
368 |
sendto_realops_flags(UMODE_ALL, L_ALL, "%s!%s@%s on %s is requesting " |
369 |
"a GLINE with a CIDR mask < %d for [%s@%s] [%s]", |
370 |
source_p->name, source_p->username, source_p->host, |
371 |
source_p->servptr->name, min_bitlen, user, host, reason); |
372 |
return; |
373 |
} |
374 |
} |
375 |
} |
376 |
|
377 |
#ifdef GLINE_VOTING |
378 |
/* If at least 3 opers agree this user should be G lined then do it */ |
379 |
if (check_majority(0, source_p, user, host, reason) == |
380 |
GLINE_ALREADY_VOTED) |
381 |
{ |
382 |
sendto_realops_flags(UMODE_ALL, L_ALL, "oper or server has already voted"); |
383 |
return; |
384 |
} |
385 |
|
386 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
387 |
"%s requesting G-Line for [%s@%s] [%s]", |
388 |
get_oper_name(source_p), |
389 |
user, host, reason); |
390 |
ilog(L_TRACE, "#gline for %s@%s [%s] requested by %s", |
391 |
user, host, reason, get_oper_name(source_p)); |
392 |
#else |
393 |
set_local_gline(source_p, user, host, reason); |
394 |
#endif /* GLINE_VOTING */ |
395 |
} |
396 |
} |
397 |
|
398 |
/* set_local_gline() |
399 |
* |
400 |
* inputs - pointer to client struct of oper |
401 |
* - pointer to victim user |
402 |
* - pointer to victim host |
403 |
* - pointer reason |
404 |
* output - NONE |
405 |
* side effects - |
406 |
*/ |
407 |
static void |
408 |
set_local_gline(const struct Client *source_p, const char *user, |
409 |
const char *host, const char *reason) |
410 |
{ |
411 |
char buffer[IRCD_BUFSIZE]; |
412 |
struct ConfItem *conf; |
413 |
struct AccessItem *aconf; |
414 |
const char *current_date; |
415 |
time_t cur_time; |
416 |
|
417 |
set_time(); |
418 |
cur_time = CurrentTime; |
419 |
|
420 |
current_date = smalldate(cur_time); |
421 |
conf = make_conf_item(GLINE_TYPE); |
422 |
aconf = map_to_conf(conf); |
423 |
|
424 |
ircsprintf(buffer, "%s (%s)", reason, current_date); |
425 |
DupString(aconf->reason, buffer); |
426 |
DupString(aconf->user, user); |
427 |
DupString(aconf->host, host); |
428 |
|
429 |
aconf->hold = CurrentTime + ConfigFileEntry.gline_time; |
430 |
add_temp_line(conf); |
431 |
|
432 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
433 |
"%s added G-Line for [%s@%s] [%s]", |
434 |
get_oper_name(source_p), |
435 |
aconf->user, aconf->host, aconf->reason); |
436 |
ilog(L_TRACE, "%s added G-Line for [%s@%s] [%s]", |
437 |
get_oper_name(source_p), aconf->user, aconf->host, aconf->reason); |
438 |
log_oper_action(LOG_GLINE_TYPE, source_p, "[%s@%s] [%s]\n", |
439 |
aconf->user, aconf->host, aconf->reason); |
440 |
/* Now, activate gline against current online clients */ |
441 |
rehashed_klines = 1; |
442 |
} |
443 |
|
444 |
#ifdef GLINE_VOTING |
445 |
/* add_new_majority() |
446 |
* |
447 |
* inputs - operator requesting gline |
448 |
* - username covered by the gline |
449 |
* - hostname covered by the gline |
450 |
* - reason for the gline |
451 |
* output - NONE |
452 |
* side effects - |
453 |
* This function is called once a majority of opers |
454 |
* have agreed on a gline, and it can be placed. The |
455 |
* information about an operator being passed to us |
456 |
* happens to be the operator who pushed us over the |
457 |
* "majority" level needed. See check_majority() |
458 |
* for more information. |
459 |
*/ |
460 |
static void |
461 |
add_new_majority(const struct Client *source_p, const char *user, |
462 |
const char *host, const char *reason) |
463 |
{ |
464 |
struct gline_pending *pending = MyMalloc(sizeof(struct gline_pending)); |
465 |
|
466 |
strlcpy(pending->vote_1.oper_nick, source_p->name, sizeof(pending->vote_1.oper_nick)); |
467 |
strlcpy(pending->vote_1.oper_user, source_p->username, sizeof(pending->vote_1.oper_user)); |
468 |
strlcpy(pending->vote_1.oper_host, source_p->host, sizeof(pending->vote_1-oper_host)); |
469 |
strlcpy(pending->vote_1.oper_server, source_p->servptr->name, sizeof(pending->vote_1.oper_server)); |
470 |
|
471 |
strlcpy(pending->user, user, sizeof(pending->user)); |
472 |
strlcpy(pending->host, host, sizeof(pending->host)); |
473 |
strlcpy(pending->vote_1.reason, reason, sizeof(pending->vote_1.reason)); |
474 |
|
475 |
pending->last_gline_time = CurrentTime; |
476 |
pending->time_request1 = CurrentTime; |
477 |
|
478 |
dlinkAdd(pending, &pending->node, &pending_glines[GLINE_PENDING_ADD_TYPE]); |
479 |
} |
480 |
|
481 |
/* check_majority() |
482 |
* |
483 |
* inputs - source, user, host, reason |
484 |
* |
485 |
* output - one of three results |
486 |
* |
487 |
* GLINE_ALREADY_VOTED - returned if oper/server has already voted |
488 |
* GLINE_PLACED - returned if this triggers a gline |
489 |
* GLINE_NOT_PLACED - returned if not triggered |
490 |
* |
491 |
* Side effects - |
492 |
* See if there is a majority agreement on a GLINE on the given user |
493 |
* There must be at least 3 different opers agreeing on this GLINE |
494 |
* |
495 |
*/ |
496 |
static int |
497 |
check_majority(const struct Client *source_p, const char *user, |
498 |
const char *host, const char *reason, int type) |
499 |
{ |
500 |
dlink_node *dn_ptr = NULL; |
501 |
|
502 |
cleanup_glines(NULL); |
503 |
|
504 |
/* if its already glined, why bother? :) -- fl_ */ |
505 |
if ((type == GLINE_PENDING_ADD_TYPE) && find_is_glined(host, user)) |
506 |
return GLINE_NOT_PLACED; |
507 |
|
508 |
DLINK_FOREACH(dn_ptr, pending_glines[type].head) |
509 |
{ |
510 |
struct gline_pending *gp_ptr = dn_ptr->data; |
511 |
|
512 |
if (irccmp(gp_ptr->user, user) || |
513 |
irccmp(gp_ptr->host, host)) |
514 |
continue; |
515 |
|
516 |
if (!irccmp(gp_ptr->vote_1.oper_user, source_p->username) || |
517 |
!irccmp(gp_ptr->vote_1.oper_host, source_p->host) || |
518 |
!irccmp(gp_ptr->vote_1.oper_server, source_p->servptr->name)) |
519 |
return GLINE_ALREADY_VOTED; |
520 |
|
521 |
if (gp_ptr->vote_2.oper_user[0] != '\0') |
522 |
{ |
523 |
/* if two other opers on two different servers have voted yes */ |
524 |
if (!irccmp(gp_ptr->vote_2.oper_user, source_p->username) || |
525 |
!irccmp(gp_ptr->vote_2.oper_host, source_p->host) || |
526 |
!irccmp(gp_ptr->vote_2.oper_server, source_p->servptr->name)) |
527 |
return GLINE_ALREADY_VOTED; |
528 |
|
529 |
if (type == GLINE_PENDING_DEL_TYPE) |
530 |
{ |
531 |
if (remove_gline_match(user, host)) |
532 |
{ |
533 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
534 |
"%s has removed the G-Line for: [%s@%s]", |
535 |
get_oper_name(source_p), user, host); |
536 |
ilog(L_NOTICE, "%s removed G-Line for [%s@%s]", |
537 |
get_oper_name(source_p), user, host); |
538 |
} |
539 |
} |
540 |
else |
541 |
/* trigger the gline using the original reason --fl */ |
542 |
set_local_gline(source_p, user, host, gp_ptr->vote_1.reason); |
543 |
|
544 |
cleanup_glines(gp_ptr); |
545 |
return GLINE_PLACED; |
546 |
} |
547 |
|
548 |
strlcpy(gp_ptr->vote2.oper_nick, source_p->name, |
549 |
sizeof(gp_ptr->vote2.oper_nick)); |
550 |
strlcpy(gp_ptr->vote_2.oper_user, source_p->username, |
551 |
sizeof(gp_ptr->vote_2.)); |
552 |
strlcpy(gp_ptr->vote_2.oper_host, source_p->host, |
553 |
sizeof(gp_ptr->vote_2.oper_host)); |
554 |
strlcpy(gp_ptr->vote_2.reason, reason, |
555 |
sizeof(gp_ptr->vote_2.reason)); |
556 |
strlcpy(gp_ptr->vote_2.oper_server, source_p->servptr->name, |
557 |
sizeof(gp_ptr->vote_2.oper_server)); |
558 |
gp_ptr->last_gline_time = CurrentTime; |
559 |
gp_ptr->vote_2.time_request = CurrentTime; |
560 |
return GLINE_NOT_PLACED; |
561 |
} |
562 |
|
563 |
/* |
564 |
* Didn't find this user@host gline in pending gline list |
565 |
* so add it. |
566 |
*/ |
567 |
add_new_majority(source_p, user, host, reason); |
568 |
return GLINE_NOT_PLACED; |
569 |
} |
570 |
#endif /* GLINE_VOTING */ |
571 |
|
572 |
static int |
573 |
remove_gline_match(const char *user, const char *host) |
574 |
{ |
575 |
struct AccessItem *aconf; |
576 |
dlink_node *ptr = NULL; |
577 |
struct irc_ssaddr addr, caddr; |
578 |
int nm_t, cnm_t, bits, cbits; |
579 |
|
580 |
nm_t = parse_netmask(host, &addr, &bits); |
581 |
|
582 |
DLINK_FOREACH(ptr, temporary_glines.head) |
583 |
{ |
584 |
aconf = map_to_conf(ptr->data); |
585 |
cnm_t = parse_netmask(aconf->host, &caddr, &cbits); |
586 |
|
587 |
if (cnm_t != nm_t || irccmp(user, aconf->user)) |
588 |
continue; |
589 |
|
590 |
if ((nm_t == HM_HOST && !irccmp(aconf->host, host)) || |
591 |
(nm_t == HM_IPV4 && bits == cbits && match_ipv4(&addr, &caddr, bits)) |
592 |
#ifdef IPV6 |
593 |
|| (nm_t == HM_IPV6 && bits == cbits && match_ipv6(&addr, &caddr, bits)) |
594 |
#endif |
595 |
) |
596 |
{ |
597 |
dlinkDelete(ptr, &temporary_glines); |
598 |
delete_one_address_conf(aconf->host, aconf); |
599 |
return 1; |
600 |
} |
601 |
} |
602 |
|
603 |
return 0; |
604 |
} |
605 |
|
606 |
/* |
607 |
* me_gungline() |
608 |
* do_sungline() |
609 |
* |
610 |
* inputs - The usual for a m_ function |
611 |
* output - |
612 |
* side effects - |
613 |
* |
614 |
* Remove a G line if 3 opers agree on the identical user@host |
615 |
* |
616 |
* ENCAP'd UNGLINES are propagated by encap code. |
617 |
*/ |
618 |
|
619 |
static void |
620 |
me_gungline(struct Client *client_p, struct Client *source_p, |
621 |
int parc, char *parv[]) |
622 |
{ |
623 |
if (!ConfigFileEntry.glines) |
624 |
return; |
625 |
|
626 |
do_sungline(client_p, source_p, parc, parv, 0); |
627 |
} |
628 |
|
629 |
static void |
630 |
do_sungline(struct Client *client_p, struct Client *source_p, |
631 |
int parc, char *parv[], int prop) |
632 |
{ |
633 |
const char *reason = NULL; /* reason for "victims" demise */ |
634 |
char *user = NULL; |
635 |
char *host = NULL; /* user and host of GLINE "victim" */ |
636 |
unsigned int var_offset = 0; |
637 |
|
638 |
assert(source_p->servptr != NULL); |
639 |
|
640 |
user = parv[++var_offset]; |
641 |
host = parv[++var_offset]; |
642 |
reason = parv[++var_offset]; |
643 |
|
644 |
#ifdef GLINE_VOTING |
645 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
646 |
"%s requesting UNG-Line for [%s@%s] [%s]", |
647 |
get_oper_name(source_p), |
648 |
user, host, reason); |
649 |
ilog(L_TRACE, "#ungline for %s@%s [%s] requested by %s", |
650 |
user, host, reason, get_oper_name(source_p)); |
651 |
|
652 |
/* If at least 3 opers agree this user should be un G lined then do it */ |
653 |
if (check_majority(1, source_p, user, host, reason) == |
654 |
GLINE_ALREADY_VOTED) |
655 |
sendto_realops_flags(UMODE_ALL, L_ALL, "oper or server has already voted"); |
656 |
#else |
657 |
if (remove_gline_match(user, host)) |
658 |
{ |
659 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
660 |
"%s has removed the G-Line for: [%s@%s]", |
661 |
get_oper_name(source_p), user, host); |
662 |
ilog(L_NOTICE, "%s removed G-Line for [%s@%s]", |
663 |
get_oper_name(source_p), user, host); |
664 |
} |
665 |
#endif |
666 |
} |
667 |
|
668 |
/* mo_gungline() |
669 |
* |
670 |
* inputs - The usual for a m_ function |
671 |
* output - |
672 |
* side effects - |
673 |
* |
674 |
* Remove a G line if 3 opers agree on the identical user@host |
675 |
* |
676 |
*/ |
677 |
/* Allow this server to pass along UNGLINE if received and |
678 |
* GLINES is not defined. |
679 |
* |
680 |
*/ |
681 |
static void |
682 |
mo_gungline(struct Client *client_p, struct Client *source_p, |
683 |
int parc, char *parv[]) |
684 |
{ |
685 |
char *user = NULL; |
686 |
char *host = NULL; /* user and host of GLINE "victim" */ |
687 |
char *reason = NULL; /* reason for "victims" demise */ |
688 |
|
689 |
if (!ConfigFileEntry.glines) |
690 |
{ |
691 |
sendto_one(source_p, ":%s NOTICE %s :GUNGLINE disabled", |
692 |
me.name, source_p->name); |
693 |
return; |
694 |
} |
695 |
|
696 |
if (!IsOperGline(source_p)) |
697 |
{ |
698 |
sendto_one(source_p, form_str(ERR_NOPRIVS), |
699 |
me.name, source_p->name, "gungline"); |
700 |
return; |
701 |
} |
702 |
|
703 |
if (parse_aline("GUNGLINE", source_p, parc, parv, 0, &user, |
704 |
&host, NULL, NULL, &reason) < 0) |
705 |
return; |
706 |
|
707 |
#ifdef GLINE_VOTING |
708 |
/* |
709 |
* call these two functions first so the 'requesting' notice always comes |
710 |
* before the 'has triggered' notice. -bill |
711 |
*/ |
712 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
713 |
"%s requesting UNG-Line for [%s@%s] [%s]", |
714 |
get_oper_name(source_p), |
715 |
user, host, reason); |
716 |
ilog(L_TRACE, "#ungline for %s@%s [%s] requested by %s!%s@%s", |
717 |
user, host, reason, source_p->name, source_p->username, |
718 |
source_p->host); |
719 |
|
720 |
/* If at least 3 opers agree this user should be un G lined then do it */ |
721 |
if (check_majority(1, source_p, user, host, reason) == |
722 |
GLINE_ALREADY_VOTED) |
723 |
sendto_one(source_p, |
724 |
":%s NOTICE %s :This server or oper has already voted", |
725 |
me.name, source_p->name); |
726 |
#else |
727 |
if (remove_gline_match(user, host)) |
728 |
{ |
729 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
730 |
"%s has removed the G-Line for: [%s@%s]", |
731 |
get_oper_name(source_p), user, host); |
732 |
ilog(L_NOTICE, "%s removed G-Line for [%s@%s]", |
733 |
get_oper_name(source_p), user, host); |
734 |
} |
735 |
else |
736 |
sendto_one(source_p, ":%s NOTICE %s :No G-Line for %s@%s", |
737 |
me.name, source_p->name, user, host); |
738 |
#endif /* GLINE_VOTING */ |
739 |
sendto_server(client_p, NULL, CAP_ENCAP|CAP_TS6, NOCAPS, |
740 |
":%s ENCAP * GUNGLINE %s %s :%s", |
741 |
ID(source_p), host, reason); |
742 |
sendto_server(client_p, NULL, CAP_ENCAP, CAP_TS6, |
743 |
":%s ENCAP * GUNGLINE %s %s :%s", |
744 |
source_p->name, user, host, reason); |
745 |
} |