source: irc.h @ e4f08bf

Last change on this file since e4f08bf was 0fb32dd, checked in by dequis <dx@…>, at 2015-04-06T17:07:03Z

Merge branch 'develop' into feat/hip-cat

Conflicts:

irc.h
irc_channel.c
  • Property mode set to 100644
File size: 12.2 KB
Line 
1/********************************************************************\
2  * BitlBee -- An IRC to other IM-networks gateway                     *
3  *                                                                    *
4  * Copyright 2002-2013 Wilmer van der Gaast and others                *
5  \********************************************************************/
6
7/* The IRC-based UI (for now the only one)                              */
8
9/*
10  This program is free software; you can redistribute it and/or modify
11  it under the terms of the GNU General Public License as published by
12  the Free Software Foundation; either version 2 of the License, or
13  (at your option) any later version.
14
15  This program is distributed in the hope that it will be useful,
16  but WITHOUT ANY WARRANTY; without even the implied warranty of
17  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  GNU General Public License for more details.
19
20  You should have received a copy of the GNU General Public License with
21  the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL;
22  if not, write to the Free Software Foundation, Inc., 51 Franklin St.,
23  Fifth Floor, Boston, MA  02110-1301  USA
24*/
25
26#ifndef _IRC_H
27#define _IRC_H
28
29#define IRC_MAX_LINE 512
30#define IRC_MAX_ARGS 16
31
32#define IRC_LOGIN_TIMEOUT 60
33#define IRC_PING_STRING "PinglBee"
34
35#define UMODES "abisw"     /* Allowed umodes (although they mostly do nothing) */
36#define UMODES_PRIV "Ro"   /* Allowed, but not by user directly */
37#define UMODES_KEEP "R"    /* Don't allow unsetting using /MODE */
38#define CMODES "ntC"       /* Allowed modes */
39#define CMODE "t"          /* Default mode */
40#define UMODE "s"          /* Default mode */
41
42#define CTYPES "&#"        /* Valid channel name prefixes */
43
44typedef enum {
45        USTATUS_OFFLINE = 0,
46        USTATUS_AUTHORIZED = 1, /* Gave the correct server password (PASS). */
47        USTATUS_LOGGED_IN = 2,  /* USER+NICK(+PASS) finished. */
48        USTATUS_IDENTIFIED = 4, /* To NickServ (root). */
49        USTATUS_SHUTDOWN = 8,   /* Now used to indicate we're shutting down.
50                                   Currently just blocks irc_vawrite(). */
51
52        /* Not really status stuff, but other kinds of flags: For slightly
53           better password security, since the only way to send passwords
54           to the IRC server securely (i.e. not echoing to screen or written
55           to logfiles) is the /OPER command, try to use that command for
56           stuff that matters. */
57        OPER_HACK_IDENTIFY = 0x100,
58        OPER_HACK_IDENTIFY_NOLOAD = 0x01100,
59        OPER_HACK_IDENTIFY_FORCE  = 0x02100,
60        OPER_HACK_REGISTER = 0x200,
61        OPER_HACK_ACCOUNT_PASSWORD = 0x400,
62        OPER_HACK_ANY = 0x3700, /* To check for them all at once. */
63
64        IRC_UTF8_NICKS = 0x10000, /* Disable ASCII restrictions on buddy nicks. */
65} irc_status_t;
66
67struct irc_user;
68
69typedef struct irc {
70        int fd;
71        irc_status_t status;
72        double last_pong;
73        int pinging;
74        char *sendbuffer;
75        char *readbuffer;
76        GIConv iconv, oconv;
77
78        struct irc_user *root;
79        struct irc_user *user;
80
81        char *password; /* HACK: Used to save the user's password, but before
82                           logging in, this may contain a password we should
83                           send to identify after USER/NICK are received. */
84
85        char umode[8];
86
87        struct query *queries;
88        GSList *file_transfers;
89
90        GSList *users, *channels;
91        struct irc_channel *default_channel;
92        GHashTable *nick_user_hash;
93        GHashTable *watches; /* See irc_cmd_watch() */
94
95        gint r_watch_source_id;
96        gint w_watch_source_id;
97        gint ping_source_id;
98        gint login_source_id; /* To slightly delay some events at login time. */
99
100        struct otr *otr; /* OTR state and book keeping, used by the OTR plugin.
101                            TODO: Some mechanism for plugindata. */
102
103        struct bee *b;
104} irc_t;
105
106typedef enum {
107        /* Replaced with iu->last_channel IRC_USER_PRIVATE = 1, */
108        IRC_USER_AWAY = 2,
109
110        IRC_USER_OTR_ENCRYPTED = 0x10000,
111        IRC_USER_OTR_TRUSTED   = 0x20000,
112} irc_user_flags_t;
113
114typedef struct irc_user {
115        irc_t *irc;
116
117        char *nick;
118        char *user;
119        char *host;
120        char *fullname;
121
122        /* Nickname in lowercase for case insensitive searches */
123        char *key;
124
125        irc_user_flags_t flags;
126        struct irc_channel *last_channel;
127
128        GString *pastebuf; /* Paste buffer (combine lines into a multiline msg). */
129        guint pastebuf_timer;
130        time_t away_reply_timeout; /* Only send a 301 if this time passed. */
131
132        struct bee_user *bu;
133
134        const struct irc_user_funcs *f;
135} irc_user_t;
136
137struct irc_user_funcs {
138        gboolean (*privmsg)(irc_user_t *iu, const char *msg);
139        gboolean (*ctcp)(irc_user_t *iu, char * const* ctcp);
140};
141
142extern const struct irc_user_funcs irc_user_root_funcs;
143extern const struct irc_user_funcs irc_user_self_funcs;
144
145typedef enum {
146        IRC_CHANNEL_JOINED = 1, /* The user is currently in the channel. */
147        IRC_CHANNEL_TEMP = 2,   /* Erase the channel when the user leaves,
148                                   and don't save it. */
149
150        /* Show a placeholder of the channel in listings, but don't save it */
151        IRC_CHANNEL_KEEP_PLACEHOLDER = 4,
152
153        /* Hack: Set this flag right before jumping into IM when we expect
154           a call to imcb_chat_new(). */
155        IRC_CHANNEL_CHAT_PICKME = 0x10000,
156} irc_channel_flags_t;
157
158typedef struct irc_channel {
159        irc_t *irc;
160        char *name;
161        char mode[8];
162        int flags;
163
164        char *topic;
165        char *topic_who;
166        time_t topic_time;
167
168        GSList *users; /* struct irc_channel_user */
169        struct irc_user *last_target;
170        struct set *set;
171
172        GString *pastebuf; /* Paste buffer (combine lines into a multiline msg). */
173        guint pastebuf_timer;
174
175        const struct irc_channel_funcs *f;
176        void *data;
177} irc_channel_t;
178
179struct irc_channel_funcs {
180        gboolean (*privmsg)(irc_channel_t *ic, const char *msg);
181        gboolean (*join)(irc_channel_t *ic);
182        gboolean (*part)(irc_channel_t *ic, const char *msg);
183        gboolean (*topic)(irc_channel_t *ic, const char *new_topic);
184        gboolean (*invite)(irc_channel_t *ic, irc_user_t *iu);
185        void (*kick)(irc_channel_t *ic, irc_user_t *iu, const char *msg);
186
187        gboolean (*_init)(irc_channel_t *ic);
188        gboolean (*_free)(irc_channel_t *ic);
189};
190
191typedef enum {
192        IRC_CHANNEL_USER_OP = 1,
193        IRC_CHANNEL_USER_HALFOP = 2,
194        IRC_CHANNEL_USER_VOICE = 4,
195        IRC_CHANNEL_USER_NONE = 8,
196} irc_channel_user_flags_t;
197
198typedef struct irc_channel_user {
199        irc_user_t *iu;
200        int flags;
201} irc_channel_user_t;
202
203typedef enum {
204        IRC_CC_TYPE_DEFAULT  = 0x00001,
205        IRC_CC_TYPE_REST     = 0x00002, /* Still not implemented. */
206        IRC_CC_TYPE_GROUP    = 0x00004,
207        IRC_CC_TYPE_ACCOUNT  = 0x00008,
208        IRC_CC_TYPE_PROTOCOL = 0x00010,
209        IRC_CC_TYPE_MASK     = 0x000ff,
210        IRC_CC_TYPE_INVERT   = 0x00100,
211} irc_control_channel_type_t;
212
213struct irc_control_channel {
214        irc_control_channel_type_t type;
215        struct bee_group *group;
216        struct account *account;
217        struct prpl *protocol;
218        char modes[5];
219};
220
221extern const struct bee_ui_funcs irc_ui_funcs;
222
223typedef enum {
224        IRC_CDU_SILENT,
225        IRC_CDU_PART,
226        IRC_CDU_KICK,
227} irc_channel_del_user_type_t;
228
229/* These are a glued a little bit to the core/bee layer and a little bit to
230   IRC. The first user is OTR, and I guess at some point we'll get to shape
231   this a little bit more as other uses come up. */
232typedef struct irc_plugin {
233        /* Called at the end of irc_new(). Can be used to add settings, etc. */
234        gboolean (*irc_new)(irc_t *irc);
235        /* At the end of irc_free(). */
236        void (*irc_free)(irc_t *irc);
237
238        /* Problem with the following two functions is ordering if multiple
239           plugins are handling them. Let's keep fixing that problem for
240           whenever it becomes important. */
241
242        /* Called by bee_irc_user_privmsg_cb(). Return NULL if you want to
243           abort sending the msg. */
244        char* (*filter_msg_out)(irc_user_t * iu, char *msg, int flags);
245        /* Called by bee_irc_user_msg(). Return NULL if you swallowed the
246           message and don't want anything to go to the user. */
247        char* (*filter_msg_in)(irc_user_t * iu, char *msg, int flags);
248
249        /* From storage.c functions. Ideally these should not be used
250           and instead data should be stored in settings which will get
251           saved automatically. Consider these deprecated! */
252        void (*storage_load)(irc_t *irc);
253        void (*storage_save)(irc_t *irc);
254        void (*storage_remove)(const char *nick);
255} irc_plugin_t;
256
257extern GSList *irc_plugins; /* struct irc_plugin */
258
259/* irc.c */
260extern GSList *irc_connection_list;
261
262irc_t *irc_new(int fd);
263void irc_abort(irc_t *irc, int immed, char *format, ...) G_GNUC_PRINTF(3, 4);
264void irc_free(irc_t *irc);
265void irc_setpass(irc_t *irc, const char *pass);
266
267void irc_process(irc_t *irc);
268char **irc_parse_line(char *line);
269char *irc_build_line(char **cmd);
270
271void irc_write(irc_t *irc, char *format, ...) G_GNUC_PRINTF(2, 3);
272void irc_write_all(int now, char *format, ...) G_GNUC_PRINTF(2, 3);
273void irc_vawrite(irc_t *irc, char *format, va_list params);
274
275void irc_flush(irc_t *irc);
276void irc_switch_fd(irc_t *irc, int fd);
277void irc_sync(irc_t *irc);
278void irc_desync(irc_t *irc);
279
280int irc_check_login(irc_t *irc);
281
282void irc_umode_set(irc_t *irc, const char *s, gboolean allow_priv);
283
284void register_irc_plugin(const struct irc_plugin *p);
285
286/* irc_channel.c */
287irc_channel_t *irc_channel_new(irc_t *irc, const char *name);
288irc_channel_t *irc_channel_by_name(irc_t *irc, const char *name);
289irc_channel_t *irc_channel_get(irc_t *irc, char *id);
290int irc_channel_free(irc_channel_t *ic);
291void irc_channel_free_soon(irc_channel_t *ic);
292int irc_channel_add_user(irc_channel_t *ic, irc_user_t *iu);
293int irc_channel_del_user(irc_channel_t *ic, irc_user_t *iu, irc_channel_del_user_type_t type, const char *msg);
294irc_channel_user_t *irc_channel_has_user(irc_channel_t *ic, irc_user_t *iu);
295struct irc_channel *irc_channel_with_user(irc_t *irc, irc_user_t *iu);
296int irc_channel_set_topic(irc_channel_t *ic, const char *topic, const irc_user_t *who);
297void irc_channel_user_set_mode(irc_channel_t *ic, irc_user_t *iu, irc_channel_user_flags_t flags);
298void irc_channel_set_mode(irc_channel_t *ic, const char *s);
299void irc_channel_auto_joins(irc_t *irc, struct account *acc);
300void irc_channel_printf(irc_channel_t *ic, char *format, ...);
301gboolean irc_channel_name_ok(const char *name);
302void irc_channel_name_strip(char *name);
303int irc_channel_name_cmp(const char *a_, const char *b_);
304char *irc_channel_name_gen(irc_t *irc, const char *name);
305gboolean irc_channel_name_hint(irc_channel_t *ic, const char *name);
306void irc_channel_update_ops(irc_channel_t *ic, char *value);
307char *set_eval_irc_channel_ops(struct set *set, char *value);
308gboolean irc_channel_wants_user(irc_channel_t *ic, irc_user_t *iu);
309
310/* irc_commands.c */
311void irc_exec(irc_t *irc, char **cmd);
312
313/* irc_send.c */
314void irc_send_num(irc_t *irc, int code, char *format, ...) G_GNUC_PRINTF(3, 4);
315void irc_send_login(irc_t *irc);
316void irc_send_motd(irc_t *irc);
317const char *irc_user_msgdest(irc_user_t *iu);
318void irc_rootmsg(irc_t *irc, char *format, ...);
319void irc_usermsg(irc_user_t *iu, char *format, ...);
320void irc_usernotice(irc_user_t *iu, char *format, ...);
321void irc_send_join(irc_channel_t *ic, irc_user_t *iu);
322void irc_send_part(irc_channel_t *ic, irc_user_t *iu, const char *reason);
323void irc_send_quit(irc_user_t *iu, const char *reason);
324void irc_send_kick(irc_channel_t *ic, irc_user_t *iu, irc_user_t *kicker, const char *reason);
325void irc_send_names(irc_channel_t *ic);
326void irc_send_topic(irc_channel_t *ic, gboolean topic_change);
327void irc_send_whois(irc_user_t *iu);
328void irc_send_who(irc_t *irc, GSList *l, const char *channel);
329void irc_send_msg(irc_user_t *iu, const char *type, const char *dst, const char *msg, const char *prefix);
330void irc_send_msg_raw(irc_user_t *iu, const char *type, const char *dst, const char *msg);
331void irc_send_msg_f(irc_user_t *iu, const char *type, const char *dst, const char *format, ...) G_GNUC_PRINTF(4, 5);
332void irc_send_nick(irc_user_t *iu, const char *new_nick);
333void irc_send_channel_user_mode_diff(irc_channel_t *ic, irc_user_t *iu,
334                                     irc_channel_user_flags_t old_flags, irc_channel_user_flags_t new_flags);
335void irc_send_invite(irc_user_t *iu, irc_channel_t *ic);
336
337/* irc_user.c */
338irc_user_t *irc_user_new(irc_t *irc, const char *nick);
339int irc_user_free(irc_t *irc, irc_user_t *iu);
340irc_user_t *irc_user_by_name(irc_t *irc, const char *nick);
341int irc_user_set_nick(irc_user_t *iu, const char *new_nick);
342gint irc_user_cmp(gconstpointer a_, gconstpointer b_);
343const char *irc_user_get_away(irc_user_t *iu);
344void irc_user_quit(irc_user_t *iu, const char *msg);
345
346/* irc_util.c */
347char *set_eval_timezone(struct set *set, char *value);
348char *irc_format_timestamp(irc_t *irc, time_t msg_ts);
349
350/* irc_im.c */
351void bee_irc_channel_update(irc_t *irc, irc_channel_t *ic, irc_user_t *iu);
352void bee_irc_user_nick_reset(irc_user_t *iu);
353
354#endif
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