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unrealircd/include/h.h
T
Bram Matthys ab50bf2afc Communicate server featureset (and changes) across server links.
Previously various information was only available for directly attached
servers, since it is communicated via PROTOCTL.
Now, we will also communicate information about leafs behind us.
IRCOps can use the /SINFO command to see these server features.
Services codes don't need to do anything, or at least are not expected
to do anything. They can still receive the information and do something
with it, of course...
Read the following technical documentation for full information,
as it will outline very specific rules for using the command S2S:
https://www.unrealircd.org/docs/Server_protocol:SINFO_command
2019-03-23 17:56:59 +01:00

820 lines
40 KiB
C

/************************************************************************
* Unreal Internet Relay Chat Daemon, include/h.h
* Copyright (C) 1992 Darren Reed
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 1, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id$
*/
/*
* "h.h". - Headers file.
*
* Most of the externs and prototypes thrown in here to 'cleanup' things.
* -avalon
*/
#include "setup.h"
#include "fdlist.h"
extern MODVAR char *extraflags;
extern MODVAR int tainted;
/* for the new s_err.c */
extern char *getreply(int);
#define rpl_str(x) getreply(x)
#define err_str(x) getreply(x)
extern MODVAR Member *freemember;
extern MODVAR Membership *freemembership;
extern MODVAR MembershipL *freemembershipL;
extern MODVAR aClient me;
extern MODVAR aChannel *channel;
extern MODVAR struct stats *ircstp;
extern MODVAR int bootopt;
extern MODVAR time_t TSoffset;
extern MODVAR time_t timeofday;
extern MODVAR char cmodestring[512];
extern MODVAR char umodestring[UMODETABLESZ+1];
/* newconf */
#define get_sendq(x) ((x)->local->class ? (x)->local->class->sendq : MAXSENDQLENGTH)
/* get_recvq is only called in send.c for local connections */
#define get_recvq(x) ((x)->local->class->recvq ? (x)->local->class->recvq : DEFAULT_RECVQ)
#define CMD_FUNC(x) int (x) (aClient *cptr, aClient *sptr, int parc, char *parv[])
/*
* Configuration linked lists
*/
extern MODVAR ConfigItem_me *conf_me;
extern MODVAR ConfigItem_files *conf_files;
extern MODVAR ConfigItem_class *conf_class;
extern MODVAR ConfigItem_class *default_class;
extern MODVAR ConfigItem_admin *conf_admin;
extern MODVAR ConfigItem_admin *conf_admin_tail;
extern MODVAR ConfigItem_drpass *conf_drpass;
extern MODVAR ConfigItem_ulines *conf_ulines;
extern MODVAR ConfigItem_tld *conf_tld;
extern MODVAR ConfigItem_oper *conf_oper;
extern MODVAR ConfigItem_listen *conf_listen;
extern MODVAR ConfigItem_allow *conf_allow;
extern MODVAR ConfigItem_except *conf_except;
extern MODVAR ConfigItem_vhost *conf_vhost;
extern MODVAR ConfigItem_link *conf_link;
extern MODVAR ConfigItem_sni *conf_sni;
extern MODVAR ConfigItem_ban *conf_ban;
extern MODVAR ConfigItem_deny_dcc *conf_deny_dcc;
extern MODVAR ConfigItem_deny_channel *conf_deny_channel;
extern MODVAR ConfigItem_deny_link *conf_deny_link;
extern MODVAR ConfigItem_allow_channel *conf_allow_channel;
extern MODVAR ConfigItem_allow_dcc *conf_allow_dcc;
extern MODVAR ConfigItem_deny_version *conf_deny_version;
extern MODVAR ConfigItem_log *conf_log;
extern MODVAR ConfigItem_alias *conf_alias;
extern MODVAR ConfigItem_include *conf_include;
extern MODVAR ConfigItem_help *conf_help;
extern MODVAR ConfigItem_offchans *conf_offchans;
extern void completed_connection(int, int, void *);
extern void clear_unknown();
extern EVENT(e_unload_module_delayed);
extern EVENT(e_clean_out_throttling_buckets);
extern void module_loadall(void);
extern long set_usermode(char *umode);
extern char *get_modestr(long umodes);
extern void config_error(char *format, ...) __attribute__((format(printf,1,2)));
extern void config_warn(char *format, ...) __attribute__((format(printf,1,2)));
extern void config_error_missing(const char *filename, int line, const char *entry);
extern void config_error_unknown(const char *filename, int line, const char *block, const char *entry);
extern void config_error_unknownflag(const char *filename, int line, const char *block, const char *entry);
extern void config_error_unknownopt(const char *filename, int line, const char *block, const char *entry);
extern void config_error_noname(const char *filename, int line, const char *block);
extern void config_error_blank(const char *filename, int line, const char *block);
extern void config_error_empty(const char *filename, int line, const char *block, const char *entry);
extern void config_warn_duplicate(const char *filename, int line, const char *entry);
extern int config_is_blankorempty(ConfigEntry *cep, const char *block);
extern MODVAR int config_verbose;
extern void config_progress(char *format, ...) __attribute__((format(printf,1,2)));
extern void ipport_seperate(char *string, char **ip, char **port);
extern ConfigItem_class *Find_class(char *name);
extern ConfigItem_deny_dcc *Find_deny_dcc(char *name);
extern ConfigItem_oper *Find_oper(char *name);
extern ConfigItem_operclass *Find_operclass(char *name);
extern ConfigItem_listen *Find_listen(char *ipmask, int port, int ipv6);
extern ConfigItem_sni *Find_sni(char *name);
extern ConfigItem_ulines *Find_uline(char *host);
extern ConfigItem_except *Find_except(aClient *, short type);
extern ConfigItem_tld *Find_tld(aClient *cptr);
extern ConfigItem_link *Find_link(char *servername, aClient *acptr);
extern ConfigItem_ban *Find_ban(aClient *, char *host, short type);
extern ConfigItem_ban *Find_banEx(aClient *,char *host, short type, short type2);
extern ConfigItem_vhost *Find_vhost(char *name);
extern ConfigItem_deny_channel *Find_channel_allowed(aClient *cptr, char *name);
extern ConfigItem_alias *Find_alias(char *name);
extern ConfigItem_help *Find_Help(char *command);
extern OperPermission ValidatePermissionsForPath(char *path, aClient *sptr, aClient *victim, aChannel *channel, void *extra);
extern void OperClassValidatorDel(OperClassValidator *validator);
extern ConfigItem_ban *Find_ban_ip(aClient *sptr);
extern void add_ListItem(ListStruct *, ListStruct **);
extern void append_ListItem(ListStruct *item, ListStruct **list);
extern void add_ListItemPrio(ListStructPrio *, ListStructPrio **, int);
extern ListStruct *del_ListItem(ListStruct *, ListStruct **);
extern aClient *find_match_server(char *mask);
extern MODVAR LoopStruct loop;
extern int del_banid(aChannel *chptr, char *banid);
extern int del_exbanid(aChannel *chptr, char *banid);
#ifdef SHOWCONNECTINFO
#define BREPORT_DO_DNS "NOTICE * :*** Looking up your hostname...\r\n"
#define BREPORT_FIN_DNS "NOTICE * :*** Found your hostname\r\n"
#define BREPORT_FIN_DNSC "NOTICE * :*** Found your hostname (cached)\r\n"
#define BREPORT_FAIL_DNS "NOTICE * :*** Couldn't resolve your hostname; using your IP address instead\r\n"
#define BREPORT_DO_ID "NOTICE * :*** Checking ident...\r\n"
#define BREPORT_FIN_ID "NOTICE * :*** Received identd response\r\n"
#define BREPORT_FAIL_ID "NOTICE * :*** No ident response; username prefixed with ~\r\n"
extern MODVAR char REPORT_DO_DNS[256], REPORT_FIN_DNS[256], REPORT_FIN_DNSC[256],
REPORT_FAIL_DNS[256], REPORT_DO_ID[256], REPORT_FIN_ID[256],
REPORT_FAIL_ID[256];
extern MODVAR int R_do_dns, R_fin_dns, R_fin_dnsc, R_fail_dns,
R_do_id, R_fin_id, R_fail_id;
#endif
extern MODVAR struct list_head client_list, lclient_list, server_list, oper_list, unknown_list, global_server_list;
extern aCommand *find_Command(char *cmd, short token, int flags);
extern aCommand *find_Command_simple(char *cmd);
extern aChannel *find_channel(char *, aChannel *);
extern Membership *find_membership_link(Membership *lp, aChannel *ptr);
extern Member *find_member_link(Member *, aClient *);
extern void remove_user_from_channel(aClient *, aChannel *);
extern void add_server_to_table(aClient *);
extern void remove_server_from_table(aClient *);
extern void iNAH_host(aClient *sptr, char *host);
extern void set_snomask(aClient *sptr, char *snomask);
extern char *get_sno_str(aClient *sptr);
extern int check_tkls(aClient *cptr);
/* for services */
extern void del_invite(aClient *, aChannel *);
extern int add_silence(aClient *, char *, int);
extern int del_silence(aClient *, char *);
extern void send_user_joins(aClient *, aClient *);
extern void clean_channelname(char *);
extern int can_send(aClient *, aChannel *, char *, int);
extern long get_access(aClient *, aChannel *);
extern int is_chan_op(aClient *, aChannel *);
extern int has_voice(aClient *, aChannel *);
extern int is_chanowner(aClient *, aChannel *);
extern int ban_check_mask(aClient *, aChannel *, char *, int, int);
extern int extban_is_ok_nuh_extban(aClient *, aChannel *, char *, int, int, int);
extern char *extban_conv_param_nuh_or_extban(char *);
extern char *extban_conv_param_nuh(char *);
extern Ban *is_banned(aClient *, aChannel *, int);
extern Ban *is_banned_with_nick(aClient *, aChannel *, int, char *);
extern int parse_help(aClient *, char *, char *);
extern void ircd_log(int, char *, ...) __attribute__((format(printf,2,3)));
extern aClient *find_client(char *, aClient *);
extern aClient *find_name(char *, aClient *);
extern aClient *find_nickserv(char *, aClient *);
extern aClient *find_person(char *, aClient *);
extern aClient *find_server(char *, aClient *);
extern aClient *find_server_quickx(char *, aClient *);
extern aClient *find_service(char *, aClient *);
#define find_server_quick(x) find_server_quickx(x, NULL)
extern char *find_or_add(char *);
extern int attach_conf(aClient *, aConfItem *);
extern void inittoken();
extern void reset_help();
extern MODVAR char *debugmode, *configfile, *sbrk0;
extern char *getfield(char *);
extern void set_sockhost(aClient *, char *);
#ifndef _WIN32
extern char *strerror(int);
#else
extern MODFUNC char *sock_strerror(int);
#endif
extern int dgets(int, char *, int);
extern char *inetntoa(char *);
#ifndef HAVE_SNPRINTF
extern int snprintf (char *str, size_t count, const char *fmt, ...);
#endif
#ifndef HAVE_VSNPRINTF
extern int vsnprintf (char *str, size_t count, const char *fmt, va_list arg);
#endif
#ifdef _WIN32
extern MODVAR int debuglevel;
#else
extern int debuglevel, errno, h_errno;
#endif
extern MODVAR int OpenFiles; /* number of files currently open */
extern MODVAR int debuglevel, portnum, debugtty, maxusersperchannel;
extern MODVAR int readcalls, udpfd, resfd;
extern aClient *add_connection(ConfigItem_listen *, int);
extern int add_listener(aConfItem *);
extern void add_local_domain(char *, int);
extern int check_server(aClient *, struct hostent *, aConfItem *,
aConfItem *, int);
extern int check_server_init(aClient *);
extern void close_connection(aClient *);
extern void close_listeners();
extern int connect_server(ConfigItem_link *, aClient *, struct hostent *);
extern void get_my_name(aClient *, char *, int);
extern int get_sockerr(aClient *);
extern int inetport(ConfigItem_listen *, char *, int, int);
extern void init_sys();
extern void init_modef();
extern int verify_hostname(char *name);
extern void report_error(char *, aClient *);
extern void set_non_blocking(int, aClient *);
extern int setup_ping();
extern void start_auth(aClient *);
extern void set_channel_mlock(aClient *, aClient *, aChannel *, const char *, int);
extern void restart(char *);
extern void server_reboot(char *);
extern void terminate(), write_pidfile();
extern void *MyMallocEx(size_t size);
extern int send_queued(aClient *);
extern void sendto_connectnotice(aClient *sptr, int disconnect, char *comment);
extern void sendto_serv_butone_nickcmd(aClient *one, aClient *sptr, char *umodes);
extern void sendto_message_one(aClient *to, aClient *from, char *sender,
char *cmd, char *nick, char *msg);
#define PREFIX_ALL 0
#define PREFIX_HALFOP 0x1
#define PREFIX_VOICE 0x2
#define PREFIX_OP 0x4
#define PREFIX_ADMIN 0x08
#define PREFIX_OWNER 0x10
extern void sendto_channelprefix_butone(aClient *one, aClient *from, aChannel *chptr,
int prefix, char *pattern, ...) __attribute__((format(printf,5,6)));
extern void sendto_channel_butone(aClient *, aClient *, aChannel *,
char *, ...) __attribute__((format(printf,4,5)));
void sendto_channel_butone_with_capability(aClient *one, unsigned int cap,
aClient *from, aChannel *chptr, char *pattern, ...) __attribute__((format(printf,5,6)));
extern void sendto_channel_butserv_butone(aChannel *chptr, aClient *from, aClient *one,
char *pattern, ...) __attribute__((format(printf,4,5)));
extern void sendto_common_channels(aClient *, char *, ...) __attribute__((format(printf,2,3)));
extern void sendto_common_channels_local_butone(aClient *, int, char *, ...) __attribute__((format(printf,3,4)));
extern void sendto_channel_butserv(aChannel *, aClient *, char *, ...) __attribute__((format(printf,3,4)));
extern void sendto_match_servs(aChannel *, aClient *, char *, ...) __attribute__((format(printf,3,4)));
extern void sendto_match_butone(aClient *, aClient *, char *, int,
char *pattern, ...) __attribute__((format(printf,5,6)));
extern void sendto_all_butone(aClient *, aClient *, char *, ...) __attribute__((format(printf,3,4)));
extern void sendto_ops(char *, ...) __attribute__((format(printf,1,2)));
extern void sendto_ops_butone(aClient *, aClient *, char *, ...) __attribute__((format(printf,3,4)));
extern void sendto_ops_butme(aClient *, char *, ...) __attribute__((format(printf,2,3)));
extern void sendto_prefix_one(aClient *, aClient *, const char *, ...) __attribute__((format(printf,3,4)));
extern void sendto_opers(char *, ...) __attribute__((format(printf,1,2)));
extern void sendto_umode(int, char *, ...) __attribute__((format(printf,2,3)));
extern void sendto_umode_global(int, char *, ...) __attribute__((format(printf,2,3)));
extern void sendto_umode_raw(int, char *, ...) __attribute__((format(printf,2,3)));
extern void sendto_snomask(int snomask, char *pattern, ...) __attribute__((format(printf,2,3)));
extern void sendto_snomask_global(int snomask, char *pattern, ...) __attribute__((format(printf,2,3)));
extern void sendto_snomask_normal(int snomask, char *pattern, ...) __attribute__((format(printf,2,3)));
extern void sendto_snomask_normal_global(int snomask, char *pattern, ...) __attribute__((format(printf,2,3)));
extern void sendnotice(aClient *to, char *pattern, ...) __attribute__((format(printf,2,3)));
extern void sendto_server(aClient *one, unsigned long caps, unsigned long nocaps, const char *format, ...) __attribute__((format(printf, 4,5)));
extern void sendto_ops_and_log(char *pattern, ...) __attribute__((format(printf,1,2)));
extern MODVAR int writecalls, writeb[];
extern int deliver_it(aClient *cptr, char *str, int len, int *want_read);
extern int check_for_target_limit(aClient *sptr, void *target, const char *name);
extern char *canonize(char *buffer);
extern ConfigItem_deny_dcc *dcc_isforbidden(aClient *sptr, char *filename);
extern ConfigItem_deny_dcc *dcc_isdiscouraged(aClient *sptr, char *filename);
extern int check_registered(aClient *);
extern int check_registered_user(aClient *);
extern char *get_client_name(aClient *, int);
extern char *get_client_host(aClient *);
extern char *myctime(time_t), *date(time_t);
extern int exit_client(aClient *, aClient *, aClient *, char *);
extern void initstats(), tstats(aClient *, char *);
extern char *check_string(char *);
extern char *make_nick_user_host(char *, char *, char *);
extern char *make_nick_user_host_r(char *namebuf, char *nick, char *name, char *host);
extern char *make_user_host(char *, char *);
extern int parse(aClient *, char *, char *);
extern int do_numeric(int, aClient *, aClient *, int, char **);
extern int hunt_server(aClient *, aClient *, char *, int, int, char **);
extern aClient *next_client(aClient *, char *);
extern int m_server_estab(aClient *);
extern void umode_init(void);
#define UMODE_GLOBAL 1
#define UMODE_LOCAL 0
extern int umode_allow_all(aClient *sptr, int what);
extern int umode_allow_unset(aClient *sptr, int what);
extern int umode_allow_opers(aClient *sptr, int what);
extern int umode_allow_none(aClient *sptr, int what);
extern int umode_delete(char ch, long val);
extern void send_umode(aClient *, aClient *, long, long, char *);
extern void send_umode_out(aClient *, aClient *, long);
extern void free_client(aClient *);
extern void free_link(Link *);
extern void free_ban(Ban *);
extern void free_user(anUser *, aClient *);
extern int find_str_match_link(Link *, char *);
extern void free_str_list(Link *);
extern Link *make_link();
extern Ban *make_ban();
extern anUser *make_user(aClient *);
extern aServer *make_server();
extern aClient *make_client(aClient *, aClient *);
extern Link *find_user_link(Link *, aClient *);
extern Member *find_channel_link(Member *, aChannel *);
extern char *pretty_mask(char *);
extern void add_client_to_list(aClient *);
extern void checklist();
extern void remove_client_from_list(aClient *);
extern void initlists();
extern struct hostent *get_res(char *);
extern struct hostent *gethost_byaddr(char *, Link *);
extern struct hostent *gethost_byname(char *, Link *);
extern void flush_cache();
extern void init_resolver(int firsttime);
extern time_t timeout_query_list(time_t);
extern time_t expire_cache(time_t);
extern void del_queries(char *);
extern void clear_channel_hash_table();
extern void clear_client_hash_table();
extern void clear_watch_hash_table();
extern int add_to_client_hash_table(char *, aClient *);
extern int del_from_client_hash_table(char *, aClient *);
extern int add_to_id_hash_table(char *, aClient *);
extern int del_from_id_hash_table(char *, aClient *);
extern int add_to_channel_hash_table(char *, aChannel *);
extern int del_from_channel_hash_table(char *, aChannel *);
extern int add_to_watch_hash_table(char *, aClient *, int);
extern int del_from_watch_hash_table(char *, aClient *);
extern int hash_check_watch(aClient *, int);
extern int hash_del_watch_list(aClient *);
extern void count_watch_memory(int *, u_long *);
extern aWatch *hash_get_watch(char *);
extern aChannel *hash_get_chan_bucket(unsigned int);
extern aClient *hash_find_client(const char *, aClient *);
extern aClient *hash_find_id(const char *, aClient *);
extern aClient *hash_find_nickserver(const char *, aClient *);
extern aClient *hash_find_server(const char *, aClient *);
extern char *find_by_aln(char *);
extern char *convert2aln(int);
extern int convertfromaln(char *);
extern char *find_server_aln(char *);
extern time_t atime(char *xtime);
/* Mode externs
*/
extern MODVAR long UMODE_INVISIBLE; /* 0x0001 makes user invisible */
extern MODVAR long UMODE_OPER; /* 0x0002 Operator */
extern MODVAR long UMODE_WALLOP; /* 0x0004 send wallops to them */
extern MODVAR long UMODE_REGNICK; /* 0x0020 Nick set by services as registered */
extern MODVAR long UMODE_SERVNOTICE;/* 0x0100 server notices such as kill */
extern MODVAR long UMODE_HIDE; /* 0x8000 Hide from Nukes */
extern MODVAR long UMODE_SECURE; /* 0x800000 User is a secure connect */
extern MODVAR long UMODE_DEAF; /* 0x10000000 Deaf */
extern MODVAR long UMODE_HIDEOPER; /* 0x20000000 Hide oper mode */
extern MODVAR long UMODE_SETHOST; /* 0x40000000 used sethost */
extern MODVAR long UMODE_HIDLE; /* hides oper idle times */
extern MODVAR long AllUmodes, SendUmodes;
extern MODVAR long SNO_KILLS;
extern MODVAR long SNO_CLIENT;
extern MODVAR long SNO_FLOOD;
extern MODVAR long SNO_FCLIENT;
extern MODVAR long SNO_JUNK;
extern MODVAR long SNO_VHOST;
extern MODVAR long SNO_EYES;
extern MODVAR long SNO_TKL;
extern MODVAR long SNO_NICKCHANGE;
extern MODVAR long SNO_FNICKCHANGE;
extern MODVAR long SNO_QLINE;
extern MODVAR long SNO_SNOTICE;
extern MODVAR long SNO_SPAMF;
extern MODVAR long SNO_OPER;
#ifndef HAVE_STRLCPY
extern size_t strlcpy(char *dst, const char *src, size_t size);
#endif
#ifndef HAVE_STRLCAT
extern size_t strlcat(char *dst, const char *src, size_t size);
#endif
#ifndef HAVE_STRLNCAT
extern size_t strlncat(char *dst, const char *src, size_t size, size_t n);
#endif
extern char *strldup(const char *src, size_t n);
extern int dopacket(aClient *, char *, int);
extern void debug(int, char *, ...);
#if defined(DEBUGMODE)
extern void send_usage(aClient *, char *);
extern void count_memory(aClient *, char *);
extern int checkprotoflags(aClient *, int, char *, int);
#endif
extern char *inetntop(int af, const void *in, char *local_dummy, size_t the_size);
/*
* CommandHash -Stskeeps
*/
extern MODVAR aCommand *CommandHash[256];
extern void init_CommandHash(void);
extern aCommand *add_Command_backend(char *cmd, int (*func)(), unsigned char parameters, int flags);
extern void add_Command(char *cmd, int (*func)(), unsigned char parameters);
extern void add_Command_to_list(aCommand *item, aCommand **list);
extern aCommand *del_Command_from_list(aCommand *item, aCommand **list);
extern int del_Command(char *cmd, int (*func)());
extern void add_CommandX(char *cmd, int (*func)(), unsigned char parameters, int flags);
/* CRULE */
char *crule_parse(char *);
int crule_test(char *);
char *crule_errstring(int);
int crule_eval(char *);
void crule_free(char **);
/*
* Close all local socket connections, invalidate client fd's
* WIN32 cleanup winsock lib
*/
extern void close_connections(void);
extern int b64_encode(unsigned char const *src, size_t srclength, char *target, size_t targsize);
extern int b64_decode(char const *src, unsigned char *target, size_t targsize);
extern int Auth_FindType(char *hash, char *type);
extern anAuthStruct *Auth_ConvertConf2AuthStruct(ConfigEntry *ce);
extern void Auth_DeleteAuthStruct(anAuthStruct *as);
extern int Auth_Check(aClient *cptr, anAuthStruct *as, char *para);
extern char *Auth_Make(short type, char *para);
extern int Auth_CheckError(ConfigEntry *ce);
extern int is_chanownprotop(aClient *cptr, aChannel *chptr);
extern int is_skochanop(aClient *cptr, aChannel *chptr);
extern char *make_virthost(aClient *sptr, char *curr, char *new, int mode);
extern int channel_canjoin(aClient *sptr, char *name);
extern char *collapse(char *pattern);
extern void dcc_sync(aClient *sptr);
extern void report_flines(aClient *sptr);
extern void report_network(aClient *sptr);
extern void report_dynconf(aClient *sptr);
extern void count_memory(aClient *cptr, char *nick);
extern void list_scache(aClient *sptr);
extern char *oflagstr(long oflag);
extern int rehash(aClient *cptr, aClient *sptr, int sig);
extern int _match(const char *mask, const char *name);
extern void outofmemory(void);
extern int add_listener2(ConfigItem_listen *conf);
extern void link_cleanup(ConfigItem_link *link_ptr);
extern void listen_cleanup();
extern int numeric_collides(long numeric);
extern u_long cres_mem(aClient *sptr, char *nick);
extern void flag_add(char ch);
extern void flag_del(char ch);
extern void init_dynconf(void);
extern char *pretty_time_val(long);
extern char *pretty_date(TS t);
extern int init_conf(char *filename, int rehash);
extern void validate_configuration(void);
extern void run_configuration(void);
extern void rehash_motdrules();
extern void read_motd(const char *filename, aMotdFile *motd); /* s_serv.c */
extern void send_proto(aClient *, ConfigItem_link *);
extern void unload_all_modules(void);
extern int set_blocking(int fd);
extern void set_sock_opts(int fd, aClient *cptr, int ipv6);
extern void iCstrip(char *line);
extern time_t rfc2time(char *s);
extern char *rfctime(time_t t, char *buf);
extern void *MyMallocEx(size_t size);
extern MODFUNC char *ssl_get_cipher(SSL *ssl);
extern SSLOptions *get_ssl_options_for_client(aClient *acptr);
extern int outdated_tls_client(aClient *acptr);
extern char *outdated_tls_client_build_string(char *pattern, aClient *acptr);
extern long config_checkval(char *value, unsigned short flags);
extern void config_status(char *format, ...) __attribute__((format(printf,1,2)));
extern void init_random();
extern u_char getrandom8();
extern u_int16_t getrandom16();
extern u_int32_t getrandom32();
extern void ident_failed(aClient *cptr);
extern MODVAR char extchmstr[4][64];
extern int extcmode_default_requirechop(aClient *, aChannel *, char, char *, int, int);
extern int extcmode_default_requirehalfop(aClient *, aChannel *, char, char *, int, int);
extern Cmode_t extcmode_get(Cmode *);
extern void extcmode_init(void);
extern void make_extcmodestr();
extern void extcmode_duplicate_paramlist(void **xi, void **xo);
extern void extcmode_free_paramlist(void **ar);
extern void chmode_str(struct ChMode *, char *, char *, size_t, size_t);
extern char *get_cptr_status(aClient *);
extern char *get_snostr(long);
#ifdef _WIN32
extern void InitDebug(void);
extern int InitUnrealIRCd(int argc, char **);
extern void SocketLoop(void *);
#endif
extern void sendto_chmodemucrap(aClient *, aChannel *, char *);
extern void verify_opercount(aClient *, char *);
extern int valid_host(char *host);
extern int count_oper_sessions(char *);
extern char *unreal_mktemp(const char *dir, const char *suffix);
extern char *unreal_getpathname(char *filepath, char *path);
extern char *unreal_getfilename(char *path);
extern char *unreal_getmodfilename(char *path);
extern char *unreal_mkcache(const char *url);
extern int has_cached_version(const char *url);
extern int unreal_copyfile(const char *src, const char *dest);
extern int unreal_copyfileex(const char *src, const char *dest, int tryhardlink);
extern time_t unreal_getfilemodtime(const char *filename);
extern void unreal_setfilemodtime(const char *filename, time_t mtime);
extern void DeleteTempModules(void);
extern MODVAR Extban *extbaninfo;
extern Extban *findmod_by_bantype(char c);
extern Extban *ExtbanAdd(Module *reserved, ExtbanInfo req);
extern void ExtbanDel(Extban *);
extern void extban_init(void);
extern char *trim_str(char *str, int len);
extern MODVAR char *ban_realhost, *ban_virthost, *ban_ip;
extern char *unreal_checkregex(char *s, int fastsupport, int check_broadness);
extern int banact_stringtoval(char *s);
extern char *banact_valtostring(int val);
extern int banact_chartoval(char c);
extern char banact_valtochar(int val);
extern int spamfilter_gettargets(char *s, aClient *sptr);
extern char *spamfilter_target_inttostring(int v);
extern Spamfilter *unreal_buildspamfilter(char *s);
extern char *our_strcasestr(char *haystack, char *needle);
extern int spamfilter_getconftargets(char *s);
extern void remove_oper_snomasks(aClient *sptr);
extern void remove_oper_modes(aClient *sptr);
extern char *spamfilter_inttostring_long(int v);
extern aChannel *get_channel(aClient *cptr, char *chname, int flag);
extern MODVAR char backupbuf[];
extern void add_invite(aClient *, aClient *, aChannel *);
extern void channel_modes(aClient *cptr, char *mbuf, char *pbuf, size_t mbuf_size, size_t pbuf_size, aChannel *chptr);
extern MODVAR char modebuf[BUFSIZE], parabuf[BUFSIZE];
extern int op_can_override(char* acl, aClient *sptr,aChannel *channel,void* extra);
extern aClient *find_chasing(aClient *sptr, char *user, int *chasing);
extern MODVAR long opermode;
extern void add_user_to_channel(aChannel *chptr, aClient *who, int flags);
extern int add_banid(aClient *, aChannel *, char *);
extern int add_exbanid(aClient *cptr, aChannel *chptr, char *banid);
extern void sub1_from_channel(aChannel *);
extern MODVAR aCtab cFlagTab[];
extern char *unreal_encodespace(char *s);
extern char *unreal_decodespace(char *s);
extern MODVAR Link *helpign;
extern void DCCdeny_add(char *filename, char *reason, int type, int type2);
extern void DCCdeny_del(ConfigItem_deny_dcc *deny);
extern void dcc_wipe_services(void);
extern void reread_motdsandrules();
extern MODVAR int SVSNOOP;
extern int callbacks_check(void);
extern void callbacks_switchover(void);
extern int efunctions_check(void);
extern void efunctions_switchover(void);
extern char *encode_ip(u_char *);
extern char *decode_ip(char *);
extern void sendto_fconnectnotice(aClient *sptr, int disconnect, char *comment);
extern void sendto_one_nickcmd(aClient *cptr, aClient *sptr, char *umodes);
extern int on_dccallow_list(aClient *to, aClient *from);
extern int add_dccallow(aClient *sptr, aClient *optr);
extern int del_dccallow(aClient *sptr, aClient *optr);
extern void delete_linkblock(ConfigItem_link *link_ptr);
extern void delete_classblock(ConfigItem_class *class_ptr);
extern void del_async_connects(void);
extern void isupport_init(void);
extern void clicap_init(void);
extern int do_cmd(aClient *cptr, aClient *sptr, char *cmd, int parc, char *parv[]);
extern void create_snomask(aClient *sptr, anUser *user, char *snomask);
extern MODVAR char *me_hash;
extern MODVAR int dontspread;
/* Efuncs */
extern MODVAR int (*do_join)(aClient *, aClient *, int, char **);
extern MODVAR void (*join_channel)(aChannel *chptr, aClient *cptr, aClient *sptr, int flags);
extern MODVAR int (*can_join)(aClient *cptr, aClient *sptr, aChannel *chptr, char *key, char *parv[]);
extern MODVAR void (*do_mode)(aChannel *chptr, aClient *cptr, aClient *sptr, int parc, char *parv[], time_t sendts, int samode);
extern MODVAR void (*set_mode)(aChannel *chptr, aClient *cptr, int parc, char *parv[], u_int *pcount,
char pvar[MAXMODEPARAMS][MODEBUFLEN + 3], int bounce);
extern MODVAR int (*m_umode)(aClient *, aClient *, int, char **);
extern MODVAR int (*register_user)(aClient *cptr, aClient *sptr, char *nick, char *username, char *umode, char *virthost, char *ip);
extern MODVAR int (*tkl_hash)(unsigned int c);
extern MODVAR char (*tkl_typetochar)(int type);
extern MODVAR aTKline *(*tkl_add_line)(int type, char *usermask, char *hostmask, char *reason, char *setby,
TS expire_at, TS set_at, TS spamf_tkl_duration, char *spamf_tkl_reason, MatchType match_type, int soft);
extern MODVAR aTKline *(*tkl_del_line)(aTKline *tkl);
extern MODVAR void (*tkl_check_local_remove_shun)(aTKline *tmp);
extern MODVAR aTKline *(*tkl_expire)(aTKline * tmp);
extern MODVAR EVENT((*tkl_check_expire));
extern MODVAR int (*find_tkline_match)(aClient *cptr, int skip_soft);
extern MODVAR int (*find_shun)(aClient *cptr);
extern MODVAR int (*find_spamfilter_user)(aClient *sptr, int flags);
extern MODVAR aTKline *(*find_qline)(aClient *cptr, char *nick, int *ishold);
extern MODVAR aTKline *(*find_tkline_match_zap)(aClient *cptr);
extern MODVAR void (*tkl_stats)(aClient *cptr, int type, char *para);
extern MODVAR void (*tkl_synch)(aClient *sptr);
extern MODVAR int (*m_tkl)(aClient *cptr, aClient *sptr, int parc, char *parv[]);
extern MODVAR int (*place_host_ban)(aClient *sptr, int action, char *reason, long duration);
extern MODVAR int (*dospamfilter)(aClient *sptr, char *str_in, int type, char *target, int flags, aTKline **rettk);
extern MODVAR int (*dospamfilter_viruschan)(aClient *sptr, aTKline *tk, int type);
extern MODVAR void (*send_list)(aClient *cptr);
extern MODVAR unsigned char *(*StripColors)(unsigned char *text);
extern MODVAR const char *(*StripControlCodes)(unsigned char *text);
extern MODVAR void (*spamfilter_build_user_string)(char *buf, char *nick, aClient *acptr);
extern MODVAR int (*is_silenced)(aClient *sptr, aClient *acptr);
extern MODVAR void (*send_protoctl_servers)(aClient *sptr, int response);
extern MODVAR int (*verify_link)(aClient *cptr, aClient *sptr, char *servername, ConfigItem_link **link_out);
extern MODVAR void (*send_server_message)(aClient *sptr);
extern MODVAR void (*broadcast_md_client)(ModDataInfo *mdi, aClient *acptr, ModData *md);
extern MODVAR void (*broadcast_md_channel)(ModDataInfo *mdi, aChannel *chptr, ModData *md);
extern MODVAR void (*broadcast_md_member)(ModDataInfo *mdi, aChannel *chptr, Member *m, ModData *md);
extern MODVAR void (*broadcast_md_membership)(ModDataInfo *mdi, aClient *acptr, Membership *m, ModData *md);
extern MODVAR void (*broadcast_md_client_cmd)(aClient *except, aClient *sender, aClient *acptr, char *varname, char *value);
extern MODVAR void (*broadcast_md_channel_cmd)(aClient *except, aClient *sender, aChannel *chptr, char *varname, char *value);
extern MODVAR void (*broadcast_md_member_cmd)(aClient *except, aClient *sender, aChannel *chptr, aClient *acptr, char *varname, char *value);
extern MODVAR void (*broadcast_md_membership_cmd)(aClient *except, aClient *sender, aClient *acptr, aChannel *chptr, char *varname, char *value);
extern MODVAR void (*send_moddata_client)(aClient *srv, aClient *acptr);
extern MODVAR void (*send_moddata_channel)(aClient *srv, aChannel *chptr);
extern MODVAR void (*send_moddata_members)(aClient *srv);
extern MODVAR void (*broadcast_moddata_client)(aClient *acptr);
extern MODVAR int (*check_banned)(aClient *cptr);
extern MODVAR void (*introduce_user)(aClient *to, aClient *acptr);
extern MODVAR int (*check_deny_version)(aClient *cptr, char *software, int protocol, char *flags);
extern MODVAR int (*match_user)(char *rmask, aClient *acptr, int options);
extern MODVAR void (*userhost_save_current)(aClient *sptr);
extern MODVAR void (*userhost_changed)(aClient *sptr);
extern MODVAR void (*send_join_to_local_users)(aClient *sptr, aChannel *chptr);
extern MODVAR int (*do_nick_name)(char *nick);
extern MODVAR int (*do_remote_nick_name)(char *nick);
extern MODVAR char *(*charsys_get_current_languages)(void);
extern MODVAR void *(*broadcast_sinfo)(aClient *acptr, aClient *to, aClient *except);
/* /Efuncs */
extern MODVAR aMotdFile opermotd, svsmotd, motd, botmotd, smotd, rules;
extern MODVAR int max_connection_count;
extern int add_listmode(Ban **list, aClient *cptr, aChannel *chptr, char *banid);
extern int add_listmode_ex(Ban **list, aClient *cptr, aChannel *chptr, char *banid, char *setby, TS seton);
extern int del_listmode(Ban **list, aChannel *chptr, char *banid);
extern int Halfop_mode(long mode);
extern char *clean_ban_mask(char *, int, aClient *);
extern int find_invex(aChannel *chptr, aClient *sptr);
extern void DoMD5(unsigned char *mdout, const unsigned char *src, unsigned long n);
extern char *md5hash(unsigned char *dst, const unsigned char *src, unsigned long n);
extern MODVAR char langsinuse[4096];
extern MODVAR char *casemapping[2];
extern MODVAR aTKline *tklines[TKLISTLEN];
extern MODVAR aTKline *tklines_ip_hash[TKLIPHASHLEN1][TKLIPHASHLEN2];
extern char *cmdname_by_spamftarget(int target);
extern void unrealdns_delreq_bycptr(aClient *cptr);
extern void sendtxtnumeric(aClient *to, char *pattern, ...) __attribute__((format(printf,2,3)));
extern void unrealdns_gethostbyname_link(char *name, ConfigItem_link *conf, int ipv4_only);
extern void unrealdns_delasyncconnects(void);
extern int is_autojoin_chan(char *chname);
extern void unreal_free_hostent(struct hostent *he);
extern int match_esc(const char *mask, const char *name);
extern struct hostent *unreal_create_hostent(char *name, char *ip);
extern char *unreal_time_synch_error(void);
extern int unreal_time_synch(int timeout);
extern char *getcloak(aClient *sptr);
extern MODVAR unsigned char param_to_slot_mapping[256];
extern char *cm_getparameter(aChannel *chptr, char mode);
extern void cm_putparameter(aChannel *chptr, char mode, char *str);
extern void cm_freeparameter(aChannel *chptr, char mode);
extern char *cm_getparameter_ex(void **p, char mode);
extern void cm_putparameter_ex(void **p, char mode, char *str);
extern void cm_freeparameter_ex(void **p, char mode, char *str);
extern int file_exists(char* file);
extern void free_motd(aMotdFile *motd); /* s_serv.c */
extern void fix_timers(void);
extern char *chfl_to_sjoin_symbol(int s);
extern char chfl_to_chanmode(int s);
extern void add_pending_net(aClient *sptr, char *str);
extern void free_pending_net(aClient *sptr);
extern aClient *find_non_pending_net_duplicates(aClient *cptr);
extern aPendingNet *find_pending_net_by_sid_butone(char *sid, aClient *exempt);
extern aClient *find_pending_net_duplicates(aClient *cptr, aClient **srv, char **sid);
extern MODVAR char serveropts[];
extern MODVAR char *IsupportStrings[];
extern void finish_auth(aClient *acptr);
extern void read_packet(int fd, int revents, void *data);
extern int process_packet(aClient *cptr, char *readbuf, int length, int killsafely);
extern void sendto_realops_and_log(char *fmt, ...);
extern int parse_chanmode(ParseMode *pm, char *modebuf_in, char *parabuf_in);
extern int ssl_used_in_config_but_unavail(void);
extern void config_report_ssl_error(void);
extern int dead_link(aClient *to, char *notice);
extern aMatch *unreal_create_match(MatchType type, char *str, char **error);
extern void unreal_delete_match(aMatch *m);
extern int unreal_match(aMatch *m, char *str);
extern int unreal_match_method_strtoval(char *str);
extern char *unreal_match_method_valtostr(int val);
extern int mixed_network(void);
extern void unreal_delete_masks(ConfigItem_mask *m);
extern void unreal_add_masks(ConfigItem_mask **head, ConfigEntry *ce);
extern int unreal_mask_match(aClient *acptr, ConfigItem_mask *m);
extern char *our_strcasestr(char *haystack, char *needle);
extern void update_conf(void);
extern MODVAR int need_34_upgrade;
#ifdef _WIN32
extern MODVAR BOOL IsService;
#endif
extern int match_ip46(char *a, char *b);
extern void extcmodes_check_for_changes(void);
extern void umodes_check_for_changes(void);
extern int config_parse_flood(char *orig, int *times, int *period);
extern int swhois_add(aClient *acptr, char *tag, int priority, char *swhois, aClient *from, aClient *skip);
extern int swhois_delete(aClient *acptr, char *tag, char *swhois, aClient *from, aClient *skip);
extern void remove_oper_privileges(aClient *sptr, int broadcast_mode_change);
extern int client_starttls(aClient *acptr);
extern void start_server_handshake(aClient *cptr);
extern void reject_insecure_server(aClient *cptr);
extern void ident_failed(aClient *cptr);
extern void report_crash(void);
extern int inet_pton4(const char *src, unsigned char *dst);
extern int inet_pton6(const char *src, unsigned char *dst);
extern int unreal_bind(int fd, char *ip, int port, int ipv6);
extern int unreal_connect(int fd, char *ip, int port, int ipv6);
extern int is_valid_ip(char *str);
extern int ipv6_capable(void);
extern MODVAR aClient *remote_rehash_client;
extern MODVAR int debugfd;
extern void convert_to_absolute_path(char **path, char *reldir);
extern int has_channel_mode(aChannel *chptr, char mode);
extern int has_user_mode(aClient *acptr, char mode);
extern long find_user_mode(char mode);
extern void start_listeners(void);
extern void buildvarstring(const char *inbuf, char *outbuf, size_t len, const char *name[], const char *value[]);
extern void reinit_ssl(aClient *);
extern int m_error(aClient *cptr, aClient *sptr, int parc, char *parv[]);
extern int m_dns(aClient *cptr, aClient *sptr, int parc, char *parv[]);
extern int m_info(aClient *cptr, aClient *sptr, int parc, char *parv[]);
extern int m_summon(aClient *cptr, aClient *sptr, int parc, char *parv[]);
extern int m_users(aClient *cptr, aClient *sptr, int parc, char *parv[]);
extern int m_version(aClient *cptr, aClient *sptr, int parc, char *parv[]);
extern int m_dalinfo(aClient *cptr, aClient *sptr, int parc, char *parv[]);
extern int m_credits(aClient *cptr, aClient *sptr, int parc, char *parv[]);
extern int m_license(aClient *cptr, aClient *sptr, int parc, char *parv[]);
extern int m_module(aClient *cptr, aClient *sptr, int parc, char *parv[]);
extern int m_alias(aClient *cptr, aClient *sptr, int parc, char *parv[], char *cmd); /* special! */
extern int m_rehash(aClient *cptr, aClient *sptr, int parc, char *parv[]);
extern int m_die(aClient *cptr, aClient *sptr, int parc, char *parv[]);
extern int m_restart(aClient *cptr, aClient *sptr, int parc, char *parv[]);
extern void ban_flooder(aClient *cptr);
extern char *pcre2_version(void);
extern int has_common_channels(aClient *c1, aClient *c2);
extern int user_can_see_member(aClient *user, aClient *target, aChannel *chptr);
extern int invisible_user_in_channel(aClient *target, aChannel *chptr);
extern MODVAR int ssl_client_index;
extern SSLOptions *FindSSLOptionsForUser(aClient *acptr);
extern int IsWebsocket(aClient *acptr);
extern Policy policy_strtoval(char *s);
extern char *policy_valtostr(Policy policy);
extern char policy_valtochar(Policy policy);
extern int verify_certificate(SSL *ssl, char *hostname, char **errstr);
extern char *certificate_name(SSL *ssl);
extern int cipher_check(SSL_CTX *ctx, char **errstr);
extern void clicap_pre_rehash(void);
extern void clicap_post_rehash(void);
extern void send_cap_notify(int add, char *token);
extern void sendbufto_one(aClient *to, char *msg, unsigned int quick);
extern MODVAR int current_serial;
extern char *spki_fingerprint(aClient *acptr);
extern int is_module_loaded(char *name);
extern void close_std_descriptors(void);
extern int banned_client(aClient *acptr, char *bantype, char *reason, int global, int noexit);
extern char *mystpcpy(char *dst, const char *src);
extern size_t add_sjsby(char *buf, char *setby, TS seton);
extern MaxTarget *findmaxtarget(char *cmd);
extern void setmaxtargets(char *cmd, int limit);
extern void freemaxtargets(void);
extern int max_targets_for_command(char *cmd);
extern void set_targmax_defaults(void);
extern void parse_chanmodes_protoctl(aClient *sptr, char *str);
extern void concat_params(char *buf, int len, int parc, char *parv[]);
extern void charsys_check_for_changes(void);