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construct/include/ircd/conf.h

471 lines
13 KiB
C++

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