1 /* proto.h - IRC protocol output
2 * Copyright 2000-2006 srvx Development Team
4 * This file is part of srvx.
6 * srvx is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with srvx; if not, write to the Free Software Foundation,
18 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
24 /* Warning for those looking at how this code does multi-protocol
25 * support: It's an awful, nasty hack job. It is intended for short
26 * term use, not long term, since we are already developing srvx2,
27 * which has much nicer interfaces that hide most of the ugly
28 * differences between protocol dialects. */
30 #define COMBO_NUMERIC_LEN 5 /* 1/2, 1/3 or 2/3 digits for server/client parts */
31 #define MAXLEN 512 /* Maximum IRC line length */
32 #define MAXNUMPARAMS 200
33 #define ALLCHANMSG_FUNCS_MAX 4 /* +1 == 5 potential 'allchanmsg' funcs */
40 /* connection manager state */
50 #define UPLINK_UNAVAILABLE 0x001
59 struct sockaddr *bind_addr;
70 struct uplinkNode *prev;
71 struct uplinkNode *next;
76 struct uplinkNode *uplinks;
77 struct uplinkNode *uplink;
83 #ifdef WITH_PROTOCOL_P10
84 struct server* GetServerN(const char *numeric);
85 struct userNode* GetUserN(const char *numeric);
88 /* Basic protocol parsing support. */
89 void init_parse(void);
90 int parse_line(char *line, int recursive);
92 /* Callback notifications for protocol support. */
93 typedef void (*chanmsg_func_t) (struct userNode *user, struct chanNode *chan, const char *text, struct userNode *bot, unsigned int is_notice);
94 void reg_chanmsg_func(unsigned char prefix, struct userNode *service, chanmsg_func_t handler);
95 void reg_allchanmsg_func(struct userNode *service, chanmsg_func_t handler);
96 struct userNode *get_chanmsg_bot(unsigned char prefix);
98 typedef void (*privmsg_func_t) (struct userNode *user, struct userNode *target, const char *text, int server_qualified);
99 void reg_privmsg_func(struct userNode *user, privmsg_func_t handler);
100 void reg_notice_func(struct userNode *user, privmsg_func_t handler);
101 void unreg_privmsg_func(struct userNode *user);
102 void unreg_notice_func(struct userNode *user);
104 typedef void (*oper_func_t) (struct userNode *user);
105 void reg_oper_func(oper_func_t handler);
107 /* replay silliness */
108 void replay_read_line(void);
109 void replay_event_loop(void);
111 /* connection maintenance */
112 void irc_server(struct server *srv);
113 void irc_user(struct userNode *user);
114 void irc_nick(struct userNode *user, const char *old_nick);
115 void irc_introduce(const char *passwd);
116 void irc_ping(const char *something);
117 void irc_pong(const char *who, const char *data);
118 void irc_quit(struct userNode *user, const char *message);
119 void irc_squit(struct server *srv, const char *message, const char *service_message);
122 void irc_privmsg(struct userNode *from, const char *to, const char *message);
123 void irc_notice(struct userNode *from, const char *to, const char *message);
124 void irc_notice_user(struct userNode *from, struct userNode *to, const char *message);
125 void irc_wallchops(struct userNode *from, const char *to, const char *message);
127 /* channel maintenance */
128 void irc_join(struct userNode *who, struct chanNode *what);
129 void irc_invite(struct userNode *from, struct userNode *who, struct chanNode *to);
130 void irc_mode(struct userNode *who, struct chanNode *target, const char *modes);
131 void irc_kick(struct userNode *who, struct userNode *target, struct chanNode *from, const char *msg);
132 void irc_part(struct userNode *who, struct chanNode *what, const char *reason);
133 void irc_topic(struct userNode *who, struct chanNode *what, const char *topic);
134 void irc_fetchtopic(struct userNode *from, const char *to);
136 /* network maintenance */
137 void irc_gline(struct server *srv, struct gline *gline);
138 void irc_settime(const char *srv_name_mask, unsigned long new_time);
139 void irc_ungline(const char *mask);
140 void irc_error(const char *to, const char *message);
141 void irc_kill(struct userNode *from, struct userNode *target, const char *message);
142 void irc_raw(const char *what);
143 void irc_stats(struct userNode *from, struct server *target, char type);
144 void irc_svsnick(struct userNode *from, struct userNode *target, const char *newnick);
146 /* account maintenance */
147 void irc_account(struct userNode *user, const char *stamp, unsigned long timestamp, unsigned long serial);
148 void irc_regnick(struct userNode *user);
149 void irc_fakehost(struct userNode *user, const char *host, const char *ident, int force);
151 /* svs maintenance */
152 void irc_svsmode(struct userNode *from, struct userNode *user, const char *modes);
153 void irc_svsjoin(struct userNode *from, struct userNode *user, struct chanNode *chan);
154 void irc_svsjoinchan(struct userNode *from, struct userNode *user, const char *chan);
155 void irc_relay(char *message);
156 void irc_simul(struct userNode *target, char *command);
158 /* numeric messages */
159 void irc_numeric(struct userNode *user, unsigned int num, const char *format, ...);
160 /* RFC1459-compliant numeric responses */
161 #define RPL_ENDOFSTATS 219
162 #define RPL_STATSUPTIME 242
163 #define RPL_MAXCONNECTIONS 250
165 #define RPL_WHOISUSER 311
166 #define RPL_WHOISSERVER 312
167 #define RPL_WHOISOPERATOR 313
168 #define RPL_WHOISIDLE 317
169 #define RPL_ENDOFWHOIS 318
170 #define RPL_WHOISCHANNELS 319
171 #define RPL_WHOISACCOUNT 330
172 #define RPL_WHOISACTUALLY 338
173 #define ERR_NOSUCHNICK 401
175 /* stuff originally from other headers that is really protocol-specific */
176 int IsChannelName(const char *name);
177 int is_valid_nick(const char *nick);
178 struct userNode *AddLocalUser(const char *nick, const char *ident, const char *hostname, const char *desc, const char *modes);
179 struct server* AddServer(struct server* uplink, const char *name, int hops, unsigned long boot, unsigned long link, const char *numeric, const char *description);
180 void DelServer(struct server* serv, int announce, const char *message);
181 void DelUser(struct userNode* user, struct userNode *killer, int announce, const char *why);
182 /* Most protocols will want to make an AddUser helper function. */
185 extern const char irc_user_mode_chars[];
186 void mod_usermode(struct userNode *user, const char *modes);
187 unsigned int irc_user_modes(const struct userNode *user, char modes[], size_t length);
189 /* Channel mode manipulation */
191 #define CHANNELLEN 200
192 typedef unsigned long chan_mode_t;
193 /* Rules for struct mod_chanmode:
194 * For a membership mode change, args[n].mode can contain more than
195 * one mode bit (e.g. MODE_CHANOP|MODE_VOICE). Hostmask strings are
196 * "owned" by the caller and are not freed by mod_chanmode_free().
198 struct mod_chanmode {
199 chan_mode_t modes_set, modes_clear;
200 unsigned int new_limit, new_access, argc;
202 unsigned int alloc_argc;
204 char new_key[KEYLEN + 1];
205 char new_altchan[CHANNELLEN + 1];
206 char new_upass[KEYLEN + 1];
207 char new_apass[KEYLEN + 1];
211 struct modeNode *member;
212 const char *hostmask;
216 #define MCP_ALLOW_OVB 0x0001 /* allow op, voice, ban manipulation */
217 #define MCP_FROM_SERVER 0x0002 /* parse as from a server */
218 #define MCP_KEY_FREE 0x0004 /* -k without a key argument */
219 #define MCP_REGISTERED 0x0008 /* chan is already registered; do not allow changes to MODE_REGISTERED */
220 #define MCP_UPASS_FREE 0x0010 /* -U without a key argument */
221 #define MCP_APASS_FREE 0x0020 /* -A without a key argument */
222 #define MCP_NO_APASS 0x0040 /* Do not allow +/-A or +/-U */
223 #define MCP_IGN_REGISTERED 0x0080 /* chan is already registered; ignore changes to MODE_REGISTERED */
224 #define MC_ANNOUNCE 0x0100 /* send a mod_chanmode() change out */
225 #define MC_NOTIFY 0x0200 /* make local callbacks to announce */
227 #define mod_chanmode_init(CHANMODE) do { memset((CHANMODE), 0, sizeof(*CHANMODE)); } while (0)
229 #define mod_chanmode_init(CHANMODE) do { memset((CHANMODE), 0, sizeof(*CHANMODE)); (CHANMODE)->alloc_argc = ArrayLength((CHANMODE)->args); } while (0)
232 struct mod_chanmode *mod_chanmode_alloc(unsigned int argc);
233 struct mod_chanmode *mod_chanmode_dup(struct mod_chanmode *orig, unsigned int extra);
234 struct mod_chanmode *mod_chanmode_parse(struct chanNode *channel, char **modes, unsigned int argc, unsigned int flags, short base_oplevel);
235 void mod_chanmode_apply(struct userNode *who, struct chanNode *channel, struct mod_chanmode *change);
236 void mod_chanmode_announce(struct userNode *who, struct chanNode *channel, struct mod_chanmode *change);
237 char *mod_chanmode_format(struct mod_chanmode *desc, char *buffer);
238 void mod_chanmode_free(struct mod_chanmode *change);
239 int mod_chanmode(struct userNode *who, struct chanNode *channel, char **modes, unsigned int argc, unsigned int flags);
240 typedef void (*mode_change_func_t) (struct chanNode *channel, struct userNode *user, const struct mod_chanmode *change);
241 void reg_mode_change_func(mode_change_func_t handler);
242 int irc_make_chanmode(struct chanNode *chan, char *out);
244 /* The "default" for generate_hostmask is to have all of these options off. */
245 #define GENMASK_STRICT_HOST 1
246 #define GENMASK_STRICT_IDENT 32
247 #define GENMASK_ANY_IDENT 64
248 #define GENMASK_STRICT (GENMASK_STRICT_IDENT|GENMASK_STRICT_HOST)
249 #define GENMASK_USENICK 2
250 #define GENMASK_OMITNICK 4 /* Hurray for Kevin! */
251 #define GENMASK_BYIP 8
252 #define GENMASK_SRVXMASK 16
253 #define GENMASK_NO_HIDING 128
254 char *generate_hostmask(struct userNode *user, int options);
256 #endif /* !defined(PROTO_H) */