+/* +------------------------------------+
+ * | Inspire Internet Relay Chat Daemon |
+ * +------------------------------------+
+ *
+ * Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
+ * E-mail:
+ * <brain@chatspike.net>
+ * <Craig@chatspike.net>
+ *
+ * Written by Craig Edwards, Craig McLure, and others.
+ * This program is free but copyrighted software; see
+ * the file COPYING for details.
+ *
+ * ---------------------------------------------------
+ */
+
#include "inspircd.h"
#include "inspircd_io.h"
#include "inspircd_util.h"
#include "message.h"
#include "commands.h"
#include "xline.h"
+#include "inspstring.h"
+
+#ifdef GCC3
+#define nspace __gnu_cxx
+#else
+#define nspace std
+#endif
+
using namespace std;
extern int MODCOUNT;
-extern vector<Module*> modules;
-extern vector<ircd_module*> factory;
+extern std::vector<Module*> modules;
+extern std::vector<ircd_module*> factory;
extern int LogLevel;
extern char ServerName[MAXBUF];
extern char PrefixQuit[MAXBUF];
extern char DieValue[MAXBUF];
+extern int debugging;
+extern int WHOWAS_STALE;
+extern int WHOWAS_MAX;
+extern int DieDelay;
+extern time_t startup_time;
+extern int NetBufferSize;
+extern time_t nb_start;
+
+extern std::vector<int> fd_reap;
+extern std::vector<std::string> module_names;
+
+extern int boundPortCount;
+extern int portCount;
+extern int UDPportCount;
+extern int ports[MAXSOCKS];
+extern int defaultRoute;
+
+extern std::vector<long> auth_cookies;
+extern std::stringstream config_f;
+
+extern serverrec* me[32];
+
+extern FILE *log_file;
+
+namespace nspace
+{
+#ifdef GCC34
+ template<> struct hash<in_addr>
+#else
+ template<> struct nspace::hash<in_addr>
+#endif
+ {
+ size_t operator()(const struct in_addr &a) const
+ {
+ size_t q;
+ memcpy(&q,&a,sizeof(size_t));
+ return q;
+ }
+ };
+#ifdef GCC34
+ template<> struct hash<string>
+#else
+ template<> struct nspace::hash<string>
+#endif
+ {
+ size_t operator()(const string &s) const
+ {
+ char a[MAXBUF];
+ static struct hash<const char *> strhash;
+ strlcpy(a,s.c_str(),MAXBUF);
+ strlower(a);
+ return strhash(a);
+ }
+ };
+}
+
+
+struct StrHashComp
+{
+
+ bool operator()(const string& s1, const string& s2) const
+ {
+ char a[MAXBUF],b[MAXBUF];
+ strlcpy(a,s1.c_str(),MAXBUF);
+ strlcpy(b,s2.c_str(),MAXBUF);
+ strlower(a);
+ strlower(b);
+ return (strcasecmp(a,b) == 0);
+ }
+
+};
+
+struct InAddr_HashComp
+{
+
+ bool operator()(const in_addr &s1, const in_addr &s2) const
+ {
+ size_t q;
+ size_t p;
+
+ memcpy(&q,&s1,sizeof(size_t));
+ memcpy(&p,&s2,sizeof(size_t));
+
+ return (q == p);
+ }
+
+};
+
+
+typedef nspace::hash_map<std::string, userrec*, nspace::hash<string>, StrHashComp> user_hash;
+typedef nspace::hash_map<std::string, chanrec*, nspace::hash<string>, StrHashComp> chan_hash;
+typedef nspace::hash_map<in_addr,string*, nspace::hash<in_addr>, InAddr_HashComp> address_cache;
+typedef std::deque<command_t> command_table;
+
+
+extern user_hash clientlist;
+extern chan_hash chanlist;
+extern user_hash whowas;
+extern command_table cmdlist;
+extern file_cache MOTD;
+extern file_cache RULES;
+extern address_cache IP;
+
+extern time_t TIME;
+
std::vector<KLine> klines;
std::vector<GLine> glines;
std::vector<ZLine> zlines;
std::vector<QLine> qlines;
+std::vector<ELine> elines;
+
+// Reads the default bans from the config file.
+// only a very small number of bans are defined
+// this way these days, such as qlines against
+// services nicks, etc.
+
+void read_xline_defaults()
+{
+ char ipmask[MAXBUF];
+ char nick[MAXBUF];
+ char host[MAXBUF];
+ char reason[MAXBUF];
+
+ for (int i = 0; i < ConfValueEnum("badip",&config_f); i++)
+ {
+ ConfValue("badip","ipmask",i,ipmask,&config_f);
+ ConfValue("badip","reason",i,reason,&config_f);
+ add_zline(0,"<Config>",reason,ipmask);
+ log(DEBUG,"Read Z line (badip tag): ipmask=%s reason=%s",ipmask,reason);
+ }
+
+ for (int i = 0; i < ConfValueEnum("badnick",&config_f); i++)
+ {
+ ConfValue("badnick","nick",i,nick,&config_f);
+ ConfValue("badnick","reason",i,reason,&config_f);
+ add_qline(0,"<Config>",reason,nick);
+ log(DEBUG,"Read Q line (badnick tag): nick=%s reason=%s",nick,reason);
+ }
+
+ for (int i = 0; i < ConfValueEnum("badhost",&config_f); i++)
+ {
+ ConfValue("badhost","host",i,host,&config_f);
+ ConfValue("badhost","reason",i,reason,&config_f);
+ add_kline(0,"<Config>",reason,host);
+ log(DEBUG,"Read K line (badhost tag): host=%s reason=%s",host,reason);
+ }
+ for (int i = 0; i < ConfValueEnum("exception",&config_f); i++)
+ {
+ ConfValue("exception","host",i,host,&config_f);
+ ConfValue("exception","reason",i,reason,&config_f);
+ add_eline(0,"<Config>",reason,host);
+ log(DEBUG,"Read E line (exception tag): host=%s reason=%s",host,reason);
+ }
+}
+
+// adds a g:line
+
+void add_gline(long duration, const char* source,const char* reason,const char* hostmask)
+{
+ del_gline(hostmask);
+ GLine item;
+ item.duration = duration;
+ strlcpy(item.hostmask,hostmask,MAXBUF);
+ strlcpy(item.reason,reason,MAXBUF);
+ strlcpy(item.source,source,MAXBUF);
+ item.n_matches = 0;
+ item.set_time = TIME;
+ glines.push_back(item);
+}
+
+// adds an e:line (exception to bans)
+
+void add_eline(long duration, const char* source, const char* reason, const char* hostmask)
+{
+ del_eline(hostmask);
+ ELine item;
+ item.duration = duration;
+ strlcpy(item.hostmask,hostmask,MAXBUF);
+ strlcpy(item.reason,reason,MAXBUF);
+ strlcpy(item.source,source,MAXBUF);
+ item.n_matches = 0;
+ item.set_time = TIME;
+ elines.push_back(item);
+}
+
+// adds a q:line
+
+void add_qline(long duration, const char* source, const char* reason, const char* nickname)
+{
+ del_qline(nickname);
+ QLine item;
+ item.duration = duration;
+ strlcpy(item.nick,nickname,MAXBUF);
+ strlcpy(item.reason,reason,MAXBUF);
+ strlcpy(item.source,source,MAXBUF);
+ item.n_matches = 0;
+ item.is_global = false;
+ item.set_time = TIME;
+ qlines.push_back(item);
+}
+
+// adds a z:line
+
+void add_zline(long duration, const char* source, const char* reason, const char* ipaddr)
+{
+ del_zline(ipaddr);
+ ZLine item;
+ item.duration = duration;
+ strlcpy(item.ipaddr,ipaddr,MAXBUF);
+ strlcpy(item.reason,reason,MAXBUF);
+ strlcpy(item.source,source,MAXBUF);
+ item.n_matches = 0;
+ item.is_global = false;
+ item.set_time = TIME;
+ zlines.push_back(item);
+}
+
+// adds a k:line
+
+void add_kline(long duration, const char* source, const char* reason, const char* hostmask)
+{
+ del_kline(hostmask);
+ KLine item;
+ item.duration = duration;
+ strlcpy(item.hostmask,hostmask,MAXBUF);
+ strlcpy(item.reason,reason,MAXBUF);
+ strlcpy(item.source,source,MAXBUF);
+ item.n_matches = 0;
+ item.set_time = TIME;
+ klines.push_back(item);
+}
+
+// deletes a g:line, returns true if the line existed and was removed
+
+bool del_gline(const char* hostmask)
+{
+ for (std::vector<GLine>::iterator i = glines.begin(); i != glines.end(); i++)
+ {
+ if (!strcasecmp(hostmask,i->hostmask))
+ {
+ glines.erase(i);
+ return true;
+ }
+ }
+ return false;
+}
+
+// deletes a e:line, returns true if the line existed and was removed
+
+bool del_eline(const char* hostmask)
+{
+ for (std::vector<ELine>::iterator i = elines.begin(); i != elines.end(); i++)
+ {
+ if (!strcasecmp(hostmask,i->hostmask))
+ {
+ elines.erase(i);
+ return true;
+ }
+ }
+ return false;
+}
+
+// deletes a q:line, returns true if the line existed and was removed
+
+bool del_qline(const char* nickname)
+{
+ for (std::vector<QLine>::iterator i = qlines.begin(); i != qlines.end(); i++)
+ {
+ if (!strcasecmp(nickname,i->nick))
+ {
+ qlines.erase(i);
+ return true;
+ }
+ }
+ return false;
+}
+
+bool qline_make_global(const char* nickname)
+{
+ for (std::vector<QLine>::iterator i = qlines.begin(); i != qlines.end(); i++)
+ {
+ if (!strcasecmp(nickname,i->nick))
+ {
+ i->is_global = true;
+ return true;
+ }
+ }
+ return false;
+}
+
+bool zline_make_global(const char* ipaddr)
+{
+ for (std::vector<ZLine>::iterator i = zlines.begin(); i != zlines.end(); i++)
+ {
+ if (!strcasecmp(ipaddr,i->ipaddr))
+ {
+ i->is_global = true;
+ return true;
+ }
+ }
+ return false;
+}
+
+void sync_xlines(serverrec* serv, char* tcp_host)
+{
+ char data[MAXBUF];
+
+ // for zlines and qlines, we should first check if theyre global...
+ for (std::vector<ZLine>::iterator i = zlines.begin(); i != zlines.end(); i++)
+ {
+ if (i->is_global)
+ {
+ snprintf(data,MAXBUF,"} %s %s %lu %lu :%s",i->ipaddr,i->source,(unsigned long)i->set_time,(unsigned long)i->duration,i->reason);
+ serv->SendPacket(data,tcp_host);
+ }
+ }
+ for (std::vector<QLine>::iterator i = qlines.begin(); i != qlines.end(); i++)
+ {
+ if (i->is_global)
+ {
+ snprintf(data,MAXBUF,"{ %s %s %lu %lu :%s",i->nick,i->source,(unsigned long)i->set_time,(unsigned long)i->duration,i->reason);
+ serv->SendPacket(data,tcp_host);
+ }
+ }
+ // glines are always global, so no need to check
+ for (std::vector<GLine>::iterator i = glines.begin(); i != glines.end(); i++)
+ {
+ snprintf(data,MAXBUF,"# %s %s %lu %lu :%s",i->hostmask,i->source,(unsigned long)i->set_time,(unsigned long)i->duration,i->reason);
+ serv->SendPacket(data,tcp_host);
+ }
+}
+
+
+// deletes a z:line, returns true if the line existed and was removed
+
+bool del_zline(const char* ipaddr)
+{
+ for (std::vector<ZLine>::iterator i = zlines.begin(); i != zlines.end(); i++)
+ {
+ if (!strcasecmp(ipaddr,i->ipaddr))
+ {
+ zlines.erase(i);
+ return true;
+ }
+ }
+ return false;
+}
+
+// deletes a k:line, returns true if the line existed and was removed
+
+bool del_kline(const char* hostmask)
+{
+ for (std::vector<KLine>::iterator i = klines.begin(); i != klines.end(); i++)
+ {
+ if (!strcasecmp(hostmask,i->hostmask))
+ {
+ klines.erase(i);
+ return true;
+ }
+ }
+ return false;
+}
+
+// returns a pointer to the reason if a nickname matches a qline, NULL if it didnt match
+
+char* matches_qline(const char* nick)
+{
+ if (qlines.empty())
+ return NULL;
+ for (std::vector<QLine>::iterator i = qlines.begin(); i != qlines.end(); i++)
+ {
+ if (match(nick,i->nick))
+ {
+ return i->reason;
+ }
+ }
+ return NULL;
+}
+
+// returns a pointer to the reason if a host matches a gline, NULL if it didnt match
+
+char* matches_gline(const char* host)
+{
+ if (glines.empty())
+ return NULL;
+ for (std::vector<GLine>::iterator i = glines.begin(); i != glines.end(); i++)
+ {
+ if (match(host,i->hostmask))
+ {
+ return i->reason;
+ }
+ }
+ return NULL;
+}
+
+char* matches_exception(const char* host)
+{
+ if (elines.empty())
+ return NULL;
+ char host2[MAXBUF];
+ snprintf(host2,MAXBUF,"*@%s",host);
+ for (std::vector<ELine>::iterator i = elines.begin(); i != elines.end(); i++)
+ {
+ if ((match(host,i->hostmask)) || (match(host2,i->hostmask)))
+ {
+ return i->reason;
+ }
+ }
+ return NULL;
+}
+
+
+void gline_set_creation_time(char* host, time_t create_time)
+{
+ for (std::vector<GLine>::iterator i = glines.begin(); i != glines.end(); i++)
+ {
+ if (!strcasecmp(host,i->hostmask))
+ {
+ i->set_time = create_time;
+ return;
+ }
+ }
+ return ;
+}
+
+void qline_set_creation_time(char* nick, time_t create_time)
+{
+ for (std::vector<QLine>::iterator i = qlines.begin(); i != qlines.end(); i++)
+ {
+ if (!strcasecmp(nick,i->nick))
+ {
+ i->set_time = create_time;
+ return;
+ }
+ }
+ return ;
+}
+
+void zline_set_creation_time(char* ip, time_t create_time)
+{
+ for (std::vector<ZLine>::iterator i = zlines.begin(); i != zlines.end(); i++)
+ {
+ if (!strcasecmp(ip,i->ipaddr))
+ {
+ i->set_time = create_time;
+ return;
+ }
+ }
+ return ;
+}
+
+// returns a pointer to the reason if an ip address matches a zline, NULL if it didnt match
+
+char* matches_zline(const char* ipaddr)
+{
+ if (zlines.empty())
+ return NULL;
+ for (std::vector<ZLine>::iterator i = zlines.begin(); i != zlines.end(); i++)
+ {
+ if (match(ipaddr,i->ipaddr))
+ {
+ return i->reason;
+ }
+ }
+ return NULL;
+}
+
+// returns a pointer to the reason if a host matches a kline, NULL if it didnt match
+
+char* matches_kline(const char* host)
+{
+ if (klines.empty())
+ return NULL;
+ for (std::vector<KLine>::iterator i = klines.begin(); i != klines.end(); i++)
+ {
+ if (match(host,i->hostmask))
+ {
+ return i->reason;
+ }
+ }
+ return NULL;
+}
+
+// removes lines that have expired
+
+void expire_lines()
+{
+ bool go_again = true;
+ time_t current = TIME;
+
+ // because we mess up an iterator when we remove from the vector, we must bail from
+ // the loop early if we delete an item, therefore this outer while loop is required.
+ while (go_again)
+ {
+ go_again = false;
+
+ for (std::vector<KLine>::iterator i = klines.begin(); i != klines.end(); i++)
+ {
+ if ((current > (i->duration + i->set_time)) && (i->duration > 0))
+ {
+ WriteOpers("Expiring timed K-Line %s (set by %s %d seconds ago)",i->hostmask,i->source,i->duration);
+ klines.erase(i);
+ go_again = true;
+ break;
+ }
+ }
+
+ for (std::vector<ELine>::iterator i = elines.begin(); i != elines.end(); i++)
+ {
+ if ((current > (i->duration + i->set_time)) && (i->duration > 0))
+ {
+ WriteOpers("Expiring timed E-Line %s (set by %s %d seconds ago)",i->hostmask,i->source,i->duration);
+ elines.erase(i);
+ go_again = true;
+ break;
+ }
+ }
+
+ for (std::vector<GLine>::iterator i = glines.begin(); i != glines.end(); i++)
+ {
+ if ((current > (i->duration + i->set_time)) && (i->duration > 0))
+ {
+ WriteOpers("Expiring timed G-Line %s (set by %s %d seconds ago)",i->hostmask,i->source,i->duration);
+ glines.erase(i);
+ go_again = true;
+ break;
+ }
+ }
+
+ for (std::vector<ZLine>::iterator i = zlines.begin(); i != zlines.end(); i++)
+ {
+ if ((current > (i->duration + i->set_time)) && (i->duration > 0))
+ {
+ WriteOpers("Expiring timed Z-Line %s (set by %s %d seconds ago)",i->ipaddr,i->source,i->duration);
+ zlines.erase(i);
+ go_again = true;
+ break;
+ }
+ }
+
+ for (std::vector<QLine>::iterator i = qlines.begin(); i != qlines.end(); i++)
+ {
+ if ((current > (i->duration + i->set_time)) && (i->duration > 0))
+ {
+ WriteOpers("Expiring timed Q-Line %s (set by %s %d seconds ago)",i->nick,i->source,i->duration);
+ qlines.erase(i);
+ go_again = true;
+ break;
+ }
+ }
+ }
+}
+
+// applies lines, removing clients and changing nicks etc as applicable
+
+void apply_lines()
+{
+ bool go_again = true;
+ char reason[MAXBUF];
+ char host[MAXBUF];
+
+ if ((!glines.size()) && (!klines.size()) && (!zlines.size()) && (!qlines.size()))
+ return;
+
+ while (go_again)
+ {
+ go_again = false;
+ for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
+ {
+ if (!strcasecmp(u->second->server,ServerName))
+ {
+ snprintf(host,MAXBUF,"%s@%s",u->second->ident,u->second->host);
+ if (elines.size())
+ {
+ // ignore people matching exempts
+ if (matches_exception(host))
+ continue;
+ }
+ if (glines.size())
+ {
+ char* check = matches_gline(host);
+ if (check)
+ {
+ WriteOpers("*** User %s matches G-Line: %s",u->registered == 7 ? u->second->nick:"<unknown>",check);
+ snprintf(reason,MAXBUF,"G-Lined: %s",check);
+ kill_link(u->second,reason);
+ go_again = true;
+ break;
+ }
+ }
+ if (klines.size())
+ {
+ char* check = matches_kline(host);
+ if (check)
+ {
+ WriteOpers("*** User %s matches K-Line: %s",u->registered == 7 ? u->second->nick:"<unknown>",check);
+ snprintf(reason,MAXBUF,"K-Lined: %s",check);
+ kill_link(u->second,reason);
+ go_again = true;
+ break;
+ }
+ }
+ if (qlines.size())
+ {
+ char* check = matches_qline(u->second->nick);
+ if (check)
+ {
+ snprintf(reason,MAXBUF,"Matched Q-Lined nick: %s",check);
+ WriteOpers("*** Q-Lined nickname %s from %s: %s",u->registered == 7 ? u->second->nick:"<unknown>",u->second->host,check);
+ kill_link(u->second,reason);
+ go_again = true;
+ break;
+ }
+ }
+ if (zlines.size())
+ {
+ char* check = matches_zline(u->second->ip);
+ if (check)
+ {
+ snprintf(reason,MAXBUF,"Z-Lined: %s",check);
+ WriteOpers("*** User %s matches Z-Line: %s",u->registered == 7 ? u->second->nick:"<unknown>",u->second->host,check);
+ kill_link(u->second,reason);
+ go_again = true;
+ break;
+ }
+ }
+ }
+ }
+ }
+}
+
+void stats_k(userrec* user)
+{
+ for (std::vector<KLine>::iterator i = klines.begin(); i != klines.end(); i++)
+ {
+ WriteServ(user->fd,"216 %s :%s %d %d %s %s",user->nick,i->hostmask,i->set_time,i->duration,i->source,i->reason);
+ }
+}
+
+void stats_g(userrec* user)
+{
+ for (std::vector<GLine>::iterator i = glines.begin(); i != glines.end(); i++)
+ {
+ WriteServ(user->fd,"223 %s :%s %d %d %s %s",user->nick,i->hostmask,i->set_time,i->duration,i->source,i->reason);
+ }
+}
+
+void stats_q(userrec* user)
+{
+ for (std::vector<QLine>::iterator i = qlines.begin(); i != qlines.end(); i++)
+ {
+ WriteServ(user->fd,"217 %s :%s %d %d %s %s",user->nick,i->nick,i->set_time,i->duration,i->source,i->reason);
+ }
+}
+
+void stats_z(userrec* user)
+{
+ for (std::vector<ZLine>::iterator i = zlines.begin(); i != zlines.end(); i++)
+ {
+ WriteServ(user->fd,"223 %s :%s %d %d %s %s",user->nick,i->ipaddr,i->set_time,i->duration,i->source,i->reason);
+ }
+}
+void stats_e(userrec* user)
+{
+ for (std::vector<ELine>::iterator i = elines.begin(); i != elines.end(); i++)
+ {
+ WriteServ(user->fd,"223 %s :%s %d %d %s %s",user->nick,i->hostmask,i->set_time,i->duration,i->source,i->reason);
+ }
+}
projects / user / henk / code / inspircd.git / blobdiff