1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
7 * <brain@chatspike.net>
8 * <Craig@chatspike.net>
10 * Written by Craig Edwards, Craig McLure, and others.
11 * This program is free but copyrighted software; see
12 * the file COPYING for details.
14 * ---------------------------------------------------
18 #include "inspircd_io.h"
19 #include "inspircd_util.h"
20 #include "inspircd_config.h"
23 #include <sys/errno.h>
24 #include <sys/ioctl.h>
25 #include <sys/utsname.h>
30 #include <ext/hash_map>
42 #include "connection.h"
53 #include "inspstring.h"
56 #define nspace __gnu_cxx
65 extern std::vector<Module*> modules;
66 extern std::vector<ircd_module*> factory;
69 extern char ServerName[MAXBUF];
70 extern char Network[MAXBUF];
71 extern char ServerDesc[MAXBUF];
72 extern char AdminName[MAXBUF];
73 extern char AdminEmail[MAXBUF];
74 extern char AdminNick[MAXBUF];
75 extern char diepass[MAXBUF];
76 extern char restartpass[MAXBUF];
77 extern char motd[MAXBUF];
78 extern char rules[MAXBUF];
79 extern char list[MAXBUF];
80 extern char PrefixQuit[MAXBUF];
81 extern char DieValue[MAXBUF];
84 extern int WHOWAS_STALE;
85 extern int WHOWAS_MAX;
87 extern time_t startup_time;
88 extern int NetBufferSize;
89 extern time_t nb_start;
91 extern std::vector<int> fd_reap;
92 extern std::vector<std::string> module_names;
94 extern int boundPortCount;
96 extern int UDPportCount;
97 extern int ports[MAXSOCKS];
98 extern int defaultRoute;
100 extern std::vector<long> auth_cookies;
101 extern std::stringstream config_f;
103 extern serverrec* me[32];
105 extern FILE *log_file;
110 template<> struct hash<in_addr>
112 template<> struct nspace::hash<in_addr>
115 size_t operator()(const struct in_addr &a) const
118 memcpy(&q,&a,sizeof(size_t));
123 template<> struct hash<string>
125 template<> struct nspace::hash<string>
128 size_t operator()(const string &s) const
131 static struct hash<const char *> strhash;
132 strlcpy(a,s.c_str(),MAXBUF);
143 bool operator()(const string& s1, const string& s2) const
145 char a[MAXBUF],b[MAXBUF];
146 strlcpy(a,s1.c_str(),MAXBUF);
147 strlcpy(b,s2.c_str(),MAXBUF);
148 return (strcasecmp(a,b) == 0);
153 struct InAddr_HashComp
156 bool operator()(const in_addr &s1, const in_addr &s2) const
161 memcpy(&q,&s1,sizeof(size_t));
162 memcpy(&p,&s2,sizeof(size_t));
170 typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, StrHashComp> user_hash;
171 typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, StrHashComp> chan_hash;
172 typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, InAddr_HashComp> address_cache;
173 typedef std::deque<command_t> command_table;
176 extern user_hash clientlist;
177 extern chan_hash chanlist;
178 extern user_hash whowas;
179 extern command_table cmdlist;
180 extern file_cache MOTD;
181 extern file_cache RULES;
182 extern address_cache IP;
185 std::vector<KLine> klines;
186 std::vector<GLine> glines;
187 std::vector<ZLine> zlines;
188 std::vector<QLine> qlines;
190 // Reads the default bans from the config file.
191 // only a very small number of bans are defined
192 // this way these days, such as qlines against
193 // services nicks, etc.
195 void read_xline_defaults()
202 for (int i = 0; i < ConfValueEnum("badip",&config_f); i++)
204 ConfValue("badip","ipmask",i,ipmask,&config_f);
205 ConfValue("badip","reason",i,reason,&config_f);
206 add_zline(0,"<Config>",reason,ipmask);
207 log(DEBUG,"Read Z line (badip tag): ipmask=%s reason=%s",ipmask,reason);
210 for (int i = 0; i < ConfValueEnum("badnick",&config_f); i++)
212 ConfValue("badnick","nick",i,nick,&config_f);
213 ConfValue("badnick","reason",i,reason,&config_f);
214 add_qline(0,"<Config>",reason,nick);
215 log(DEBUG,"Read Q line (badnick tag): nick=%s reason=%s",nick,reason);
218 for (int i = 0; i < ConfValueEnum("badhost",&config_f); i++)
220 ConfValue("badhost","host",i,host,&config_f);
221 ConfValue("badhost","reason",i,reason,&config_f);
222 add_kline(0,"<Config>",reason,host);
223 log(DEBUG,"Read K line (badhost tag): host=%s reason=%s",host,reason);
229 void add_gline(long duration, char* source, char* reason, char* hostmask)
233 item.duration = duration;
234 strlcpy(item.hostmask,hostmask,MAXBUF);
235 strlcpy(item.reason,reason,MAXBUF);
236 strlcpy(item.source,source,MAXBUF);
238 item.set_time = time(NULL);
239 glines.push_back(item);
244 void add_qline(long duration, char* source, char* reason, char* nickname)
248 item.duration = duration;
249 strlcpy(item.nick,nickname,MAXBUF);
250 strlcpy(item.reason,reason,MAXBUF);
251 strlcpy(item.source,source,MAXBUF);
253 item.is_global = false;
254 item.set_time = time(NULL);
255 qlines.push_back(item);
260 void add_zline(long duration, char* source, char* reason, char* ipaddr)
264 item.duration = duration;
265 strlcpy(item.ipaddr,ipaddr,MAXBUF);
266 strlcpy(item.reason,reason,MAXBUF);
267 strlcpy(item.source,source,MAXBUF);
269 item.is_global = false;
270 item.set_time = time(NULL);
271 zlines.push_back(item);
276 void add_kline(long duration, char* source, char* reason, char* hostmask)
280 item.duration = duration;
281 strlcpy(item.hostmask,hostmask,MAXBUF);
282 strlcpy(item.reason,reason,MAXBUF);
283 strlcpy(item.source,source,MAXBUF);
285 item.set_time = time(NULL);
286 klines.push_back(item);
289 // deletes a g:line, returns true if the line existed and was removed
291 bool del_gline(char* hostmask)
293 for (std::vector<GLine>::iterator i = glines.begin(); i != glines.end(); i++)
295 if (!strcasecmp(hostmask,i->hostmask))
304 // deletes a q:line, returns true if the line existed and was removed
306 bool del_qline(char* nickname)
308 for (std::vector<QLine>::iterator i = qlines.begin(); i != qlines.end(); i++)
310 if (!strcasecmp(nickname,i->nick))
319 bool qline_make_global(char* nickname)
321 for (std::vector<QLine>::iterator i = qlines.begin(); i != qlines.end(); i++)
323 if (!strcasecmp(nickname,i->nick))
332 bool zline_make_global(char* ipaddr)
334 for (std::vector<ZLine>::iterator i = zlines.begin(); i != zlines.end(); i++)
336 if (!strcasecmp(ipaddr,i->ipaddr))
345 void sync_xlines(serverrec* serv, char* tcp_host)
349 // for zlines and qlines, we should first check if theyre global...
350 for (std::vector<ZLine>::iterator i = zlines.begin(); i != zlines.end(); i++)
354 snprintf(data,MAXBUF,"} %s %s %ld %ld :%s",i->ipaddr,i->source,i->set_time,i->duration,i->reason);
355 serv->SendPacket(data,tcp_host);
358 for (std::vector<QLine>::iterator i = qlines.begin(); i != qlines.end(); i++)
362 snprintf(data,MAXBUF,"{ %s %s %ld %ld :%s",i->nick,i->source,i->set_time,i->duration,i->reason);
363 serv->SendPacket(data,tcp_host);
366 // glines are always global, so no need to check
367 for (std::vector<GLine>::iterator i = glines.begin(); i != glines.end(); i++)
369 snprintf(data,MAXBUF,"# %s %s %ld %ld :%s",i->hostmask,i->source,i->set_time,i->duration,i->reason);
370 serv->SendPacket(data,tcp_host);
375 // deletes a z:line, returns true if the line existed and was removed
377 bool del_zline(char* ipaddr)
379 for (std::vector<ZLine>::iterator i = zlines.begin(); i != zlines.end(); i++)
381 if (!strcasecmp(ipaddr,i->ipaddr))
390 // deletes a k:line, returns true if the line existed and was removed
392 bool del_kline(char* hostmask)
394 for (std::vector<KLine>::iterator i = klines.begin(); i != klines.end(); i++)
396 if (!strcasecmp(hostmask,i->hostmask))
405 // returns a pointer to the reason if a nickname matches a qline, NULL if it didnt match
407 char* matches_qline(const char* nick)
409 for (std::vector<QLine>::iterator i = qlines.begin(); i != qlines.end(); i++)
411 if (match(nick,i->nick))
419 // returns a pointer to the reason if a host matches a gline, NULL if it didnt match
421 char* matches_gline(const char* host)
423 for (std::vector<GLine>::iterator i = glines.begin(); i != glines.end(); i++)
425 if (match(host,i->hostmask))
433 void gline_set_creation_time(char* host, time_t create_time)
435 for (std::vector<GLine>::iterator i = glines.begin(); i != glines.end(); i++)
437 if (!strcasecmp(host,i->hostmask))
439 i->set_time = create_time;
446 void qline_set_creation_time(char* nick, time_t create_time)
448 for (std::vector<QLine>::iterator i = qlines.begin(); i != qlines.end(); i++)
450 if (!strcasecmp(nick,i->nick))
452 i->set_time = create_time;
459 void zline_set_creation_time(char* ip, time_t create_time)
461 for (std::vector<ZLine>::iterator i = zlines.begin(); i != zlines.end(); i++)
463 if (!strcasecmp(ip,i->ipaddr))
465 i->set_time = create_time;
472 // returns a pointer to the reason if an ip address matches a zline, NULL if it didnt match
474 char* matches_zline(const char* ipaddr)
476 for (std::vector<ZLine>::iterator i = zlines.begin(); i != zlines.end(); i++)
478 if (match(ipaddr,i->ipaddr))
486 // returns a pointer to the reason if a host matches a kline, NULL if it didnt match
488 char* matches_kline(const char* host)
490 for (std::vector<KLine>::iterator i = klines.begin(); i != klines.end(); i++)
492 if (match(host,i->hostmask))
500 // removes lines that have expired
504 bool go_again = true;
505 time_t current = time(NULL);
507 // because we mess up an iterator when we remove from the vector, we must bail from
508 // the loop early if we delete an item, therefore this outer while loop is required.
513 for (std::vector<KLine>::iterator i = klines.begin(); i != klines.end(); i++)
515 if ((current > (i->duration + i->set_time)) && (i->duration > 0))
517 WriteOpers("Expiring timed K-Line %s (set by %s %d seconds ago)",i->hostmask,i->source,i->duration);
524 for (std::vector<GLine>::iterator i = glines.begin(); i != glines.end(); i++)
526 if ((current > (i->duration + i->set_time)) && (i->duration > 0))
528 WriteOpers("Expiring timed G-Line %s (set by %s %d seconds ago)",i->hostmask,i->source,i->duration);
535 for (std::vector<ZLine>::iterator i = zlines.begin(); i != zlines.end(); i++)
537 if ((current > (i->duration + i->set_time)) && (i->duration > 0))
539 WriteOpers("Expiring timed Z-Line %s (set by %s %d seconds ago)",i->ipaddr,i->source,i->duration);
546 for (std::vector<QLine>::iterator i = qlines.begin(); i != qlines.end(); i++)
548 if ((current > (i->duration + i->set_time)) && (i->duration > 0))
550 WriteOpers("Expiring timed Q-Line %s (set by %s %d seconds ago)",i->nick,i->source,i->duration);
559 // applies lines, removing clients and changing nicks etc as applicable
563 bool go_again = true;
567 if ((!glines.size()) && (!klines.size()) && (!zlines.size()) && (!qlines.size()))
573 for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
575 if (!strcasecmp(u->second->server,ServerName))
577 snprintf(host,MAXBUF,"%s@%s",u->second->ident,u->second->host);
580 char* check = matches_gline(host);
583 WriteOpers("*** User %s matches G-Line: %s",u->second->nick,check);
584 snprintf(reason,MAXBUF,"G-Lined: %s",check);
585 kill_link(u->second,reason);
592 char* check = matches_kline(host);
595 WriteOpers("*** User %s matches K-Line: %s",u->second->nick,check);
596 snprintf(reason,MAXBUF,"K-Lined: %s",check);
597 kill_link(u->second,reason);
604 char* check = matches_qline(u->second->nick);
607 snprintf(reason,MAXBUF,"Matched Q-Lined nick: %s",check);
608 WriteOpers("*** Q-Lined nickname %s from %s: %s",u->second->nick,u->second->host,check);
609 kill_link(u->second,reason);
616 char* check = matches_zline(u->second->ip);
619 snprintf(reason,MAXBUF,"Z-Lined: %s",check);
620 WriteOpers("*** User %s matches Z-Line: %s",u->second->nick,u->second->host,check);
621 kill_link(u->second,reason);
631 void stats_k(userrec* user)
633 for (std::vector<KLine>::iterator i = klines.begin(); i != klines.end(); i++)
635 WriteServ(user->fd,"216 %s :%s %d %d %s %s",user->nick,i->hostmask,i->set_time,i->duration,i->source,i->reason);
639 void stats_g(userrec* user)
641 for (std::vector<GLine>::iterator i = glines.begin(); i != glines.end(); i++)
643 WriteServ(user->fd,"223 %s :%s %d %d %s %s",user->nick,i->hostmask,i->set_time,i->duration,i->source,i->reason);
647 void stats_q(userrec* user)
649 for (std::vector<QLine>::iterator i = qlines.begin(); i != qlines.end(); i++)
651 WriteServ(user->fd,"217 %s :%s %d %d %s %s",user->nick,i->nick,i->set_time,i->duration,i->source,i->reason);
655 void stats_z(userrec* user)
657 for (std::vector<ZLine>::iterator i = zlines.begin(); i != zlines.end(); i++)
659 WriteServ(user->fd,"223 %s :%s %d %d %s %s",user->nick,i->ipaddr,i->set_time,i->duration,i->source,i->reason);