mirror of
https://github.com/matrix-construct/construct
synced 2024-08-25 02:52:09 +02:00
472 lines
13 KiB
C++
472 lines
13 KiB
C++
/*
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* Copyright (C) 2016 Charybdis Development Team
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* Copyright (C) 2016 Jason Volk <jason@zemos.net>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice is present in all copies.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#pragma once
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#define HAVE_IRCD_CONF_H
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#ifdef __cplusplus
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namespace ircd {
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namespace conf {
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IRCD_EXCEPTION(ircd::error, error)
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IRCD_EXCEPTION(error, already_exists)
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IRCD_EXCEPTION(error, bad_topconf)
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IRCD_EXCEPTION(error, not_found)
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IRCD_EXCEPTION(error, bad_cast)
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struct item
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{
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uint8_t *ptr;
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std::type_index type;
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template<class T> item(T *ptr);
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};
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struct top
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:cmd
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{
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using items = std::initializer_list<std::pair<std::string, item>>;
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char letter;
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std::string name;
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std::unordered_map<std::string, item> map;
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// Override to provide custom type handling
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virtual void assign(item &item, std::string val) const;
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// Override to provide operations on singleton blocks
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virtual const uint8_t *get(client &, const std::string &key) const;
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virtual void set(client &, std::string key, std::string val);
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virtual void del(client &, const std::string &key);
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virtual void enu(client &, const std::string &key);
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// Override to provide operations on named blocks
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virtual const uint8_t *get(client &, const std::string &label, const std::string &key) const;
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virtual void set(client &, std::string label, std::string key, std::string val);
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virtual void del(client &, const std::string &label, const std::string &key);
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virtual void enu(client &, const std::string &label, const std::string &key);
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// Override to handle the raw line
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virtual void operator()(client &, line) override;
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top(const char &letter, const std::string &name, const items & = {});
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~top() noexcept;
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};
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namespace newconf
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{
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extern topconf current; // The latest newconf parse map after startup or rehash
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extern topconf last; // The current is moved to last for differentiation
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}
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extern struct log::log log;
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extern std::array<top *, 256> confs;
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// Dynamic casting closure
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using type_handler = std::function<void (uint8_t *const &ptr, std::string text)>;
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extern std::map<std::type_index, type_handler> type_handlers;
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template<class T> std::type_index make_index();
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template<class T = std::string> const T &get(client &, const char &, const std::string &label, const std::string &key);
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template<class T = std::string> const T &get(client &, const char &, const std::string &key);
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void execute();
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void parse(const std::string &path);
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template<class T>
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const T &
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get(client &client,
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const char &letter,
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const std::string &key)
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{
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const uint8_t &idx(letter);
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const auto &conf(confs[idx]);
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if(unlikely(!conf))
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throw not_found("conf[%c] is not registered", letter);
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return *reinterpret_cast<const T *>(conf->get(client, key));
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}
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template<class T>
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const T &
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get(client &client,
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const char &letter,
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const std::string &label,
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const std::string &key)
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{
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const uint8_t &idx(letter);
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const auto &conf(confs[idx]);
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if(unlikely(!conf))
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throw not_found("conf[%c] is not registered", letter);
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return *reinterpret_cast<const T *>(conf->get(client, label, key));
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}
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template<class T>
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std::type_index
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make_index()
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{
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return typeid(typename std::add_pointer<T>::type);
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}
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template<class T>
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item::item(T *ptr):
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ptr{reinterpret_cast<uint8_t *>(ptr)},
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type{typeid(ptr)}
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{
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}
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} // namespace conf
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} // namespace ircd
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#endif // __cplusplus
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#ifdef __cplusplus
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namespace ircd {
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namespace conf {
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#define NOT_AUTHORISED (-1)
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#define I_SOCKET_ERROR (-2)
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#define I_LINE_FULL (-3)
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#define BANNED_CLIENT (-4)
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#define TOO_MANY_LOCAL (-6)
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#define TOO_MANY_GLOBAL (-7)
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#define TOO_MANY_IDENT (-8)
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#define CONF_ILLEGAL 0x80000000
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#define CONF_CLIENT 0x0002
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#define CONF_KILL 0x0040
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#define CONF_XLINE 0x0080
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#define CONF_RESV_CHANNEL 0x0100
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#define CONF_RESV_NICK 0x0200
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#define CONF_RESV (CONF_RESV_CHANNEL | CONF_RESV_NICK)
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#define CONF_DLINE 0x020000
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#define CONF_EXEMPTDLINE 0x100000
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#define IsIllegal(x) ((x)->status & CONF_ILLEGAL)
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/* aConfItem->flags */
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/* Generic flags... */
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#define CONF_FLAGS_TEMPORARY 0x00800000
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#define CONF_FLAGS_NEED_SSL 0x00000002
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#define CONF_FLAGS_MYOPER 0x00080000 /* need to rewrite info.oper on burst */
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/* auth{} flags... */
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#define CONF_FLAGS_NO_TILDE 0x00000004
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#define CONF_FLAGS_NEED_IDENTD 0x00000008
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#define CONF_FLAGS_EXEMPTKLINE 0x00000040
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#define CONF_FLAGS_NOLIMIT 0x00000080
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#define CONF_FLAGS_SPOOF_IP 0x00000200
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#define CONF_FLAGS_SPOOF_NOTICE 0x00000400
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#define CONF_FLAGS_REDIR 0x00000800
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#define CONF_FLAGS_EXEMPTRESV 0x00002000 /* exempt from resvs */
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#define CONF_FLAGS_EXEMPTFLOOD 0x00004000
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#define CONF_FLAGS_EXEMPTSPAMBOT 0x00008000
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#define CONF_FLAGS_EXEMPTSHIDE 0x00010000
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#define CONF_FLAGS_EXEMPTJUPE 0x00020000 /* exempt from resv generating warnings */
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#define CONF_FLAGS_NEED_SASL 0x00040000
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#define CONF_FLAGS_EXTEND_CHANS 0x00080000
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#define CONF_FLAGS_ENCRYPTED 0x00200000
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#define CONF_FLAGS_EXEMPTDNSBL 0x04000000
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#define CONF_FLAGS_EXEMPTPROXY 0x08000000
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struct ConfItem
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{
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unsigned int status; /* If CONF_ILLEGAL, delete when no clients */
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unsigned int flags;
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int clients; /* Number of *LOCAL* clients using this */
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union
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{
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char *name; /* IRC name, nick, server name, or original u@h */
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const char *oper;
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} info;
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char *host; /* host part of user@host */
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char *passwd; /* doubles as kline reason *ugh* */
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char *spasswd; /* Password to send. */
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char *user; /* user part of user@host */
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int port;
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time_t hold; /* Hold action until this time (calendar time) */
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time_t created; /* Creation time (for klines etc) */
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time_t lifetime; /* Propagated lines: remember until this time */
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char *className; /* Name of class */
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struct Class *c_class; /* Class of connection */
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rb_patricia_node_t *pnode; /* Our patricia node */
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};
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/* Macros for struct ConfItem */
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#define IsConfBan(x) ((x)->status & (CONF_KILL|CONF_XLINE|CONF_DLINE|\
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CONF_RESV_CHANNEL|CONF_RESV_NICK))
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#define IsNoTilde(x) ((x)->flags & CONF_FLAGS_NO_TILDE)
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#define IsNeedIdentd(x) ((x)->flags & CONF_FLAGS_NEED_IDENTD)
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#define IsConfExemptKline(x) ((x)->flags & CONF_FLAGS_EXEMPTKLINE)
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#define IsConfExemptLimits(x) ((x)->flags & CONF_FLAGS_NOLIMIT)
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#define IsConfExemptFlood(x) ((x)->flags & CONF_FLAGS_EXEMPTFLOOD)
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#define IsConfExemptSpambot(x) ((x)->flags & CONF_FLAGS_EXEMPTSPAMBOT)
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#define IsConfExemptShide(x) ((x)->flags & CONF_FLAGS_EXEMPTSHIDE)
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#define IsConfExemptJupe(x) ((x)->flags & CONF_FLAGS_EXEMPTJUPE)
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#define IsConfExemptResv(x) ((x)->flags & CONF_FLAGS_EXEMPTRESV)
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#define IsConfDoSpoofIp(x) ((x)->flags & CONF_FLAGS_SPOOF_IP)
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#define IsConfSpoofNotice(x) ((x)->flags & CONF_FLAGS_SPOOF_NOTICE)
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#define IsConfEncrypted(x) ((x)->flags & CONF_FLAGS_ENCRYPTED)
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#define IsNeedSasl(x) ((x)->flags & CONF_FLAGS_NEED_SASL)
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#define IsConfExemptDNSBL(x) ((x)->flags & CONF_FLAGS_EXEMPTDNSBL)
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#define IsConfExemptProxy(x) ((x)->flags & CONF_FLAGS_EXEMPTPROXY)
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#define IsConfExtendChans(x) ((x)->flags & CONF_FLAGS_EXTEND_CHANS)
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#define IsConfSSLNeeded(x) ((x)->flags & CONF_FLAGS_NEED_SSL)
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/* flag definitions for opers now in client.h */
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struct config_file_entry
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{
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const char *dpath; /* DPATH if set from command line */
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const char *configfile;
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char *default_operstring;
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char *default_adminstring;
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char *servicestring;
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char *kline_reason;
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char *identifyservice;
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char *identifycommand;
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char *sasl_service;
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unsigned char compression_level;
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int disable_fake_channels;
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int dots_in_ident;
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int failed_oper_notice;
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int anti_nick_flood;
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int anti_spam_exit_message_time;
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int max_accept;
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int max_monitor;
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int max_nick_time;
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int max_nick_changes;
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int ts_max_delta;
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int ts_warn_delta;
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int dline_with_reason;
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int kline_with_reason;
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int kline_delay;
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int warn_no_nline;
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int nick_delay;
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int non_redundant_klines;
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int stats_e_disabled;
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int stats_c_oper_only;
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int stats_y_oper_only;
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int stats_h_oper_only;
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int stats_o_oper_only;
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int stats_k_oper_only;
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int stats_i_oper_only;
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int stats_P_oper_only;
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int map_oper_only;
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int operspy_admin_only;
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int pace_wait;
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int pace_wait_simple;
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int short_motd;
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int no_oper_flood;
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int hide_server;
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int hide_spoof_ips;
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int hide_error_messages;
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int client_exit;
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int oper_only_umodes;
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int oper_umodes;
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int oper_snomask;
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int max_targets;
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int caller_id_wait;
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int min_nonwildcard;
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int min_nonwildcard_simple;
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int default_floodcount;
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int default_ident_timeout;
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int ping_cookie;
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int tkline_expire_notices;
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int use_whois_actually;
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int disable_auth;
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int connect_timeout;
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int burst_away;
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int reject_ban_time;
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int reject_after_count;
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int reject_duration;
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int throttle_count;
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int throttle_duration;
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int target_change;
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int collision_fnc;
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int resv_fnc;
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int default_umodes;
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int global_snotices;
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int operspy_dont_care_user_info;
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int use_propagated_bans;
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int max_ratelimit_tokens;
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int away_interval;
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int client_flood_max_lines;
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int client_flood_burst_rate;
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int client_flood_burst_max;
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int client_flood_message_time;
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int client_flood_message_num;
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unsigned int nicklen;
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int certfp_method;
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int hide_opers_in_whois;
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};
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struct config_channel_entry
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{
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int use_except;
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int use_invex;
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int use_forward;
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int use_knock;
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int knock_delay;
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int knock_delay_channel;
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int max_bans;
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int max_bans_large;
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int max_chans_per_user;
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int max_chans_per_user_large;
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int no_create_on_split;
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int no_join_on_split;
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int default_split_server_count;
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int default_split_user_count;
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int burst_topicwho;
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int kick_on_split_riding;
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int only_ascii_channels;
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int resv_forcepart;
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int channel_target_change;
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int disable_local_channels;
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unsigned int autochanmodes;
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int displayed_usercount;
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int strip_topic_colors;
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};
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struct config_server_hide
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{
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int flatten_links;
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int links_delay;
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int hidden;
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int disable_hidden;
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};
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struct admin_info
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{
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char *name;
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char *description;
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char *email;
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};
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struct alias_entry
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{
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std::string name;
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std::string target;
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int flags; /* reserved for later use */
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};
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/* All variables are GLOBAL */
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extern struct config_file_entry ConfigFileEntry; /* defined in ircd.c */
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extern struct config_channel_entry ConfigChannel; /* defined in channel.c */
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extern struct config_server_hide ConfigServerHide; /* defined in s_conf.c */
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extern struct server_info ServerInfo; /* defined in ircd.c */
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extern struct admin_info AdminInfo; /* defined in ircd.c */
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/* End GLOBAL section */
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extern rb_dlink_list service_list;
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extern rb_dlink_list prop_bans;
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typedef enum temp_list
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{
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TEMP_MIN,
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TEMP_HOUR,
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TEMP_DAY,
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TEMP_WEEK,
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LAST_TEMP_TYPE
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} temp_list;
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extern rb_dlink_list temp_klines[LAST_TEMP_TYPE];
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extern rb_dlink_list temp_dlines[LAST_TEMP_TYPE];
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extern unsigned long cidr_to_bitmask[];
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void init_s_conf(void);
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struct ConfItem *make_conf(void);
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void free_conf(struct ConfItem *);
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rb_dlink_node *find_prop_ban(unsigned int status, const char *user, const char *host);
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void deactivate_conf(struct ConfItem *, rb_dlink_node *, time_t);
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void replace_old_ban(struct ConfItem *);
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void read_conf_files(bool cold);
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int attach_conf(client *, struct ConfItem *);
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int check_client(client *client_p, client *source_p, const char *);
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int detach_conf(client *);
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struct ConfItem *find_tkline(const char *, const char *, struct sockaddr *);
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char *show_iline_prefix(client *, struct ConfItem *, char *);
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void get_printable_conf(struct ConfItem *,
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char **, char **, const char **, char **, int *, char **);
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char *get_user_ban_reason(struct ConfItem *aconf);
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void get_printable_kline(client *, struct ConfItem *,
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char **, char **, char **, char **);
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int conf_yy_fatal_error(const char *);
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int conf_fgets(char *, int, FILE *);
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int valid_wild_card(const char *, const char *);
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void add_temp_kline(struct ConfItem *);
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void add_temp_dline(struct ConfItem *);
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void report_temp_klines(client *);
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void show_temp_klines(client *, rb_dlink_list *);
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bool rehash(bool);
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void rehash_bans(void);
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int conf_add_server(struct ConfItem *, int);
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void conf_add_class_to_conf(struct ConfItem *);
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void conf_add_me(struct ConfItem *);
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void conf_add_class(struct ConfItem *, int);
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void conf_add_d_conf(struct ConfItem *);
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void flush_expired_ips(void *);
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char *get_oper_name(client *client_p);
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} // namespace conf
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} // namespace ircd
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#endif // __cplusplus
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