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#ifndef IRSSI_IRC_CORE_IRC_SERVERS_H
#define IRSSI_IRC_CORE_IRC_SERVERS_H
#include <irssi/src/core/chat-protocols.h>
#include <irssi/src/core/servers.h>
#include <irssi/src/irc/core/modes.h>
/*
* 63 is the maximum hostname length defined by the protocol. 10 is a common
* username limit on many networks. 1 is for the `@'.
*/
#define MAX_USERHOST_LEN (63 + 10 + 1)
#define MAX_IRC_MESSAGE_LEN (512 - 2) /* (2 bytes for CR+LF) */
#define MAX_IRC_TAGS_LEN (8191 - 2) /* (2 bytes for `@' and SPACE) */
#define MAX_IRC_USER_TAGS_LEN 4094
#define CAP_LS_VERSION "302"
#define CAP_MESSAGE_TAGS "message-tags"
#define CAP_SASL "sasl"
#define CAP_MULTI_PREFIX "multi-prefix"
#define CAP_EXTENDED_JOIN "extended-join"
#define CAP_SETNAME "setname"
#define CAP_INVITE_NOTIFY "invite-notify"
#define CAP_AWAY_NOTIFY "away-notify"
#define CAP_CHGHOST "chghost"
#define CAP_ACCOUNT_NOTIFY "account-notify"
#define CAP_SELF_MESSAGE "znc.in/self-message"
#define CAP_SERVER_TIME "server-time"
#define CAP_STARTTLS "tls"
/* returns IRC_SERVER_REC if it's IRC server, NULL if it isn't */
#define IRC_SERVER(server) \
PROTO_CHECK_CAST(SERVER(server), IRC_SERVER_REC, chat_type, "IRC")
#define IRC_SERVER_CONNECT(conn) \
PROTO_CHECK_CAST(SERVER_CONNECT(conn), IRC_SERVER_CONNECT_REC, \
chat_type, "IRC")
#define IS_IRC_SERVER(server) \
(IRC_SERVER(server) ? TRUE : FALSE)
#define IS_IRC_SERVER_CONNECT(conn) \
(IRC_SERVER_CONNECT(conn) ? TRUE : FALSE)
/* clang-format off */
/* all strings should be either NULL or dynamically allocated */
/* address and nick are mandatory, rest are optional */
struct _IRC_SERVER_CONNECT_REC {
#include <irssi/src/core/server-connect-rec.h>
char *usermode;
char *alternate_nick;
int sasl_mechanism;
char *sasl_username;
char *sasl_password;
int max_cmds_at_once;
int cmd_queue_speed;
int max_query_chans;
int max_kicks, max_msgs, max_modes, max_whois;
int disallow_starttls:1;
int starttls:1;
int no_cap:1;
};
/* clang-format on */
#define STRUCT_SERVER_CONNECT_REC IRC_SERVER_CONNECT_REC
struct _IRC_SERVER_REC {
#include <irssi/src/core/server-rec.h>
int max_message_len; /* Maximum message length, default = 510 = 512 - 2 (for CR+LF) */
/* For deciding if event should be redirected */
GSList *redirects;
GSList *redirect_queue; /* should be updated from redirect_next each time cmdqueue is updated */
REDIRECT_REC *redirect_next;
GSList *redirect_active; /* redirects start event has been received for, must have unique prefix */
char *last_nick; /* last /NICK, kept even if it resulted as not valid change */
char *real_address; /* address the irc server gives */
char *usermode; /* The whole mode string .. */
char *wanted_usermode; /* The usermode we want to use, doesn't include the modes given us by the server (eg. +r) */
char *userhost; /* /USERHOST <nick> - set when joined to first channel */
int channels_formed; /* channels formed in irc network */
unsigned int whois_found:1; /* Did WHOIS return any entries? */
unsigned int whowas_found:1; /* Did WHOWAS return any entries? */
unsigned int emode_known:1; /* Server understands ban exceptions and invite lists */
unsigned int no_multi_mode:1; /* Server doesn't understand MODE #chan1,#chan2,... */
unsigned int no_multi_who:1; /* Server doesn't understand WHO #chan1,#chan2,... */
unsigned int one_endofwho:1; /* /WHO #a,#b,.. replies only with one End of WHO message */
unsigned int disable_lag:1; /* Disable lag detection (PING command doesn't exist) */
unsigned int nick_collision:1; /* We're just now being killed because of nick collision */
unsigned int motd_got:1; /* We've received MOTD */
unsigned int isupport_sent:1; /* Server has sent us an isupport reply */
unsigned int cap_complete:1; /* We've done the initial CAP negotiation */
unsigned int cap_in_multiline:1; /* We're waiting for the multiline response to end */
unsigned int sasl_success:1; /* Did we authenticate successfully ? */
int max_kicks_in_cmd; /* max. number of people to kick with one /KICK command */
int max_modes_in_cmd; /* max. number of mode changes in one /MODE command */
int max_whois_in_cmd; /* max. number of nicks in one /WHOIS command */
int max_msgs_in_cmd; /* max. number of targets in one /MSG */
GHashTable *cap_supported; /* A list of caps supported by the server */
GSList *cap_active; /* A list of caps active for this session */
GSList *cap_queue; /* A list of caps to request on connection */
GString *sasl_buffer; /* Buffer used to reassemble a fragmented SASL payload */
guint sasl_timeout; /* Holds the source id of the running timeout */
/* Command sending queue */
int cmdcount; /* number of commands in `cmdqueue'. Can be more than
there actually is, to make flood control remember
how many messages can be sent before starting the
flood control */
int cmdlater; /* number of commands in queue to be sent later */
GSList *cmdqueue; /* command, redirection, ... */
gint64 wait_cmd; /* don't send anything to server before this */
gint64 last_cmd; /* last time command was sent to server */
int max_cmds_at_once; /* How many messages can be sent immediately before timeouting starts */
int cmd_queue_speed; /* Timeout between sending commands */
int max_query_chans; /* when syncing, max. number of channels to
put in one MODE/WHO command */
GSList *idles; /* Idle queue - send these commands to server
if there's nothing else to do */
GSList *ctcpqueue; /* CTCP flood protection - list of tags in idle queue */
/* /knockout ban list */
GSList *knockoutlist;
GHashTable *splits; /* For keeping track of netsplits */
GSList *split_servers; /* Servers that are currently in split */
GSList *rejoin_channels; /* try to join to these channels after a while -
channels go here if they're "temporarily unavailable"
because of netsplits */
guint starttls_tag; /* Holds the source id of the running timeout */
struct _SERVER_QUERY_REC *chanqueries;
GHashTable *isupport;
struct modes_type modes[256]; /* Stores the modes sent by a server in an isupport reply */
char prefix[256];
int (*nick_comp_func)(const char *, const char *); /* Function for comparing nicknames on this server */
};
SERVER_REC *irc_server_init_connect(SERVER_CONNECT_REC *conn);
void irc_server_connect(SERVER_REC *server);
/* Purge server output, either all or for specified target */
void irc_server_purge_output(IRC_SERVER_REC *server, const char *target);
enum {
REJOIN_CHANNELS_MODE_OFF = 0, /* */
REJOIN_CHANNELS_MODE_ON,
REJOIN_CHANNELS_MODE_AUTO
};
/* Return a string of all channels (and keys, if any have them) in server,
like "#a,#b,#c,#d x,b_chan_key,x,x" or just "#e,#f,#g" */
char *irc_server_get_channels(IRC_SERVER_REC *server, int rejoin_channels_mode);
void irc_server_send_starttls(IRC_SERVER_REC *server);
/* INTERNAL: */
void irc_server_send_action(IRC_SERVER_REC *server, const char *target,
const char *data);
char **irc_server_split_action(IRC_SERVER_REC *server, const char *target,
const char *data);
void irc_server_send_away(IRC_SERVER_REC *server, const char *reason);
void irc_server_send_data(IRC_SERVER_REC *server, const char *data, int len);
void irc_server_send_and_redirect(IRC_SERVER_REC *server, GString *str, REDIRECT_REC *redirect);
void irc_server_init_isupport(IRC_SERVER_REC *server);
void irc_servers_start_cmd_timeout(void);
void irc_servers_init(void);
void irc_servers_deinit(void);
#endif
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