source: irc.h @ 29ff5c2

Last change on this file since 29ff5c2 was 29ff5c2, checked in by dequis <dx@…>, at 2015-11-21T00:01:50Z

Merge branch 'master' into feat/hip-cat
  • Property mode set to 100644
File size: 12.7 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        USTATUS_CAP_PENDING = 16,
52        USTATUS_SASL_PLAIN_PENDING = 32,
53
54        /* Not really status stuff, but other kinds of flags: For slightly
55           better password security, since the only way to send passwords
56           to the IRC server securely (i.e. not echoing to screen or written
57           to logfiles) is the /OPER command, try to use that command for
58           stuff that matters. */
59        OPER_HACK_IDENTIFY = 0x100,
60        OPER_HACK_IDENTIFY_NOLOAD = 0x01100,
61        OPER_HACK_IDENTIFY_FORCE  = 0x02100,
62        OPER_HACK_REGISTER = 0x200,
63        OPER_HACK_ACCOUNT_PASSWORD = 0x400,
64        OPER_HACK_ANY = 0x3700, /* To check for them all at once. */
65
66        IRC_UTF8_NICKS = 0x10000, /* Disable ASCII restrictions on buddy nicks. */
67} irc_status_t;
68
69typedef enum {
70        CAP_SASL = (1 << 0),
71        CAP_MULTI_PREFIX = (1 << 1),
72        CAP_EXTENDED_JOIN = (1 << 2),
73        CAP_AWAY_NOTIFY = (1 << 3),
74} irc_cap_flag_t;
75
76struct irc_user;
77
78typedef struct irc {
79        int fd;
80        irc_status_t status;
81        double last_pong;
82        int pinging;
83        char *sendbuffer;
84        char *readbuffer;
85        GIConv iconv, oconv;
86
87        struct irc_user *root;
88        struct irc_user *user;
89
90        char *password; /* HACK: Used to save the user's password, but before
91                           logging in, this may contain a password we should
92                           send to identify after USER/NICK are received. */
93
94        char umode[8];
95
96        struct query *queries;
97        GSList *file_transfers;
98
99        GSList *users, *channels;
100        struct irc_channel *default_channel;
101        GHashTable *nick_user_hash;
102        GHashTable *watches; /* See irc_cmd_watch() */
103
104        gint r_watch_source_id;
105        gint w_watch_source_id;
106        gint ping_source_id;
107        gint login_source_id; /* To slightly delay some events at login time. */
108
109        struct otr *otr; /* OTR state and book keeping, used by the OTR plugin.
110                            TODO: Some mechanism for plugindata. */
111
112        struct bee *b;
113        guint32 caps;
114} irc_t;
115
116typedef enum {
117        /* Replaced with iu->last_channel IRC_USER_PRIVATE = 1, */
118        IRC_USER_AWAY = 2,
119
120        IRC_USER_OTR_ENCRYPTED = 0x10000,
121        IRC_USER_OTR_TRUSTED   = 0x20000,
122} irc_user_flags_t;
123
124typedef struct irc_user {
125        irc_t *irc;
126
127        char *nick;
128        char *user;
129        char *host;
130        char *fullname;
131
132        /* Nickname in lowercase for case insensitive searches */
133        char *key;
134
135        irc_user_flags_t flags;
136        struct irc_channel *last_channel;
137
138        GString *pastebuf; /* Paste buffer (combine lines into a multiline msg). */
139        guint pastebuf_timer;
140        time_t away_reply_timeout; /* Only send a 301 if this time passed. */
141
142        struct bee_user *bu;
143
144        const struct irc_user_funcs *f;
145} irc_user_t;
146
147struct irc_user_funcs {
148        gboolean (*privmsg)(irc_user_t *iu, const char *msg);
149        gboolean (*ctcp)(irc_user_t *iu, char * const* ctcp);
150};
151
152extern const struct irc_user_funcs irc_user_root_funcs;
153extern const struct irc_user_funcs irc_user_self_funcs;
154
155typedef enum {
156        IRC_CHANNEL_JOINED = 1, /* The user is currently in the channel. */
157        IRC_CHANNEL_TEMP = 2,   /* Erase the channel when the user leaves,
158                                   and don't save it. */
159
160        /* Show a placeholder of the channel in listings, but don't save it */
161        IRC_CHANNEL_KEEP_PLACEHOLDER = 4,
162
163        /* Hack: Set this flag right before jumping into IM when we expect
164           a call to imcb_chat_new(). */
165        IRC_CHANNEL_CHAT_PICKME = 0x10000,
166} irc_channel_flags_t;
167
168typedef struct irc_channel {
169        irc_t *irc;
170        char *name;
171        char mode[8];
172        int flags;
173
174        char *topic;
175        char *topic_who;
176        time_t topic_time;
177
178        GSList *users; /* struct irc_channel_user */
179        struct irc_user *last_target;
180        struct set *set;
181
182        GString *pastebuf; /* Paste buffer (combine lines into a multiline msg). */
183        guint pastebuf_timer;
184
185        const struct irc_channel_funcs *f;
186        void *data;
187} irc_channel_t;
188
189struct irc_channel_funcs {
190        gboolean (*privmsg)(irc_channel_t *ic, const char *msg);
191        gboolean (*join)(irc_channel_t *ic);
192        gboolean (*part)(irc_channel_t *ic, const char *msg);
193        gboolean (*topic)(irc_channel_t *ic, const char *new_topic);
194        gboolean (*invite)(irc_channel_t *ic, irc_user_t *iu);
195        void (*kick)(irc_channel_t *ic, irc_user_t *iu, const char *msg);
196
197        gboolean (*_init)(irc_channel_t *ic);
198        gboolean (*_free)(irc_channel_t *ic);
199};
200
201typedef enum {
202        IRC_CHANNEL_USER_OP = 1,
203        IRC_CHANNEL_USER_HALFOP = 2,
204        IRC_CHANNEL_USER_VOICE = 4,
205        IRC_CHANNEL_USER_NONE = 8,
206} irc_channel_user_flags_t;
207
208typedef struct irc_channel_user {
209        irc_user_t *iu;
210        int flags;
211} irc_channel_user_t;
212
213typedef enum {
214        IRC_CC_TYPE_DEFAULT  = 0x00001,
215        IRC_CC_TYPE_REST     = 0x00002, /* Still not implemented. */
216        IRC_CC_TYPE_GROUP    = 0x00004,
217        IRC_CC_TYPE_ACCOUNT  = 0x00008,
218        IRC_CC_TYPE_PROTOCOL = 0x00010,
219        IRC_CC_TYPE_MASK     = 0x000ff,
220        IRC_CC_TYPE_INVERT   = 0x00100,
221} irc_control_channel_type_t;
222
223struct irc_control_channel {
224        irc_control_channel_type_t type;
225        struct bee_group *group;
226        struct account *account;
227        struct prpl *protocol;
228        char modes[5];
229};
230
231extern const struct bee_ui_funcs irc_ui_funcs;
232
233typedef enum {
234        IRC_CDU_SILENT,
235        IRC_CDU_PART,
236        IRC_CDU_KICK,
237} irc_channel_del_user_type_t;
238
239/* These are a glued a little bit to the core/bee layer and a little bit to
240   IRC. The first user is OTR, and I guess at some point we'll get to shape
241   this a little bit more as other uses come up. */
242typedef struct irc_plugin {
243        /* Called at the end of irc_new(). Can be used to add settings, etc. */
244        gboolean (*irc_new)(irc_t *irc);
245        /* At the end of irc_free(). */
246        void (*irc_free)(irc_t *irc);
247
248        /* Problem with the following two functions is ordering if multiple
249           plugins are handling them. Let's keep fixing that problem for
250           whenever it becomes important. */
251
252        /* Called by bee_irc_user_privmsg_cb(). Return NULL if you want to
253           abort sending the msg. */
254        char* (*filter_msg_out)(irc_user_t * iu, char *msg, int flags);
255        /* Called by bee_irc_user_msg(). Return NULL if you swallowed the
256           message and don't want anything to go to the user. */
257        char* (*filter_msg_in)(irc_user_t * iu, char *msg, int flags);
258
259        /* From storage.c functions. Ideally these should not be used
260           and instead data should be stored in settings which will get
261           saved automatically. Consider these deprecated! */
262        void (*storage_load)(irc_t *irc);
263        void (*storage_save)(irc_t *irc);
264        void (*storage_remove)(const char *nick);
265} irc_plugin_t;
266
267extern GSList *irc_plugins; /* struct irc_plugin */
268
269/* irc.c */
270extern GSList *irc_connection_list;
271
272irc_t *irc_new(int fd);
273void irc_abort(irc_t *irc, int immed, char *format, ...) G_GNUC_PRINTF(3, 4);
274void irc_free(irc_t *irc);
275void irc_setpass(irc_t *irc, const char *pass);
276
277void irc_process(irc_t *irc);
278char **irc_parse_line(char *line);
279char *irc_build_line(char **cmd);
280
281void irc_write(irc_t *irc, char *format, ...) G_GNUC_PRINTF(2, 3);
282void irc_write_all(int now, char *format, ...) G_GNUC_PRINTF(2, 3);
283void irc_vawrite(irc_t *irc, char *format, va_list params);
284
285void irc_flush(irc_t *irc);
286void irc_switch_fd(irc_t *irc, int fd);
287void irc_sync(irc_t *irc);
288void irc_desync(irc_t *irc);
289
290int irc_check_login(irc_t *irc);
291
292void irc_umode_set(irc_t *irc, const char *s, gboolean allow_priv);
293
294void register_irc_plugin(const struct irc_plugin *p);
295
296/* irc_channel.c */
297irc_channel_t *irc_channel_new(irc_t *irc, const char *name);
298irc_channel_t *irc_channel_by_name(irc_t *irc, const char *name);
299irc_channel_t *irc_channel_get(irc_t *irc, char *id);
300int irc_channel_free(irc_channel_t *ic);
301void irc_channel_free_soon(irc_channel_t *ic);
302int irc_channel_add_user(irc_channel_t *ic, irc_user_t *iu);
303int irc_channel_del_user(irc_channel_t *ic, irc_user_t *iu, irc_channel_del_user_type_t type, const char *msg);
304irc_channel_user_t *irc_channel_has_user(irc_channel_t *ic, irc_user_t *iu);
305struct irc_channel *irc_channel_with_user(irc_t *irc, irc_user_t *iu);
306int irc_channel_set_topic(irc_channel_t *ic, const char *topic, const irc_user_t *who);
307void irc_channel_user_set_mode(irc_channel_t *ic, irc_user_t *iu, irc_channel_user_flags_t flags);
308void irc_channel_set_mode(irc_channel_t *ic, const char *s);
309void irc_channel_auto_joins(irc_t *irc, struct account *acc);
310void irc_channel_printf(irc_channel_t *ic, char *format, ...);
311gboolean irc_channel_name_ok(const char *name);
312void irc_channel_name_strip(char *name);
313int irc_channel_name_cmp(const char *a_, const char *b_);
314char *irc_channel_name_gen(irc_t *irc, const char *name);
315gboolean irc_channel_name_hint(irc_channel_t *ic, const char *name);
316void irc_channel_update_ops(irc_channel_t *ic, char *value);
317char irc_channel_user_get_prefix(irc_channel_user_t *icu);
318char *set_eval_irc_channel_ops(struct set *set, char *value);
319gboolean irc_channel_wants_user(irc_channel_t *ic, irc_user_t *iu);
320
321/* irc_commands.c */
322void irc_exec(irc_t *irc, char **cmd);
323
324/* irc_send.c */
325void irc_send_num(irc_t *irc, int code, char *format, ...) G_GNUC_PRINTF(3, 4);
326void irc_send_login(irc_t *irc);
327void irc_send_motd(irc_t *irc);
328const char *irc_user_msgdest(irc_user_t *iu);
329void irc_rootmsg(irc_t *irc, char *format, ...);
330void irc_usermsg(irc_user_t *iu, char *format, ...);
331void irc_usernotice(irc_user_t *iu, char *format, ...);
332void irc_send_join(irc_channel_t *ic, irc_user_t *iu);
333void irc_send_part(irc_channel_t *ic, irc_user_t *iu, const char *reason);
334void irc_send_quit(irc_user_t *iu, const char *reason);
335void irc_send_kick(irc_channel_t *ic, irc_user_t *iu, irc_user_t *kicker, const char *reason);
336void irc_send_names(irc_channel_t *ic);
337void irc_send_topic(irc_channel_t *ic, gboolean topic_change);
338void irc_send_whois(irc_user_t *iu);
339void irc_send_who(irc_t *irc, GSList *l, const char *channel);
340void irc_send_msg(irc_user_t *iu, const char *type, const char *dst, const char *msg, const char *prefix);
341void irc_send_msg_raw(irc_user_t *iu, const char *type, const char *dst, const char *msg);
342void irc_send_msg_f(irc_user_t *iu, const char *type, const char *dst, const char *format, ...) G_GNUC_PRINTF(4, 5);
343void irc_send_nick(irc_user_t *iu, const char *new_nick);
344void irc_send_channel_user_mode_diff(irc_channel_t *ic, irc_user_t *iu,
345                                     irc_channel_user_flags_t old_flags, irc_channel_user_flags_t new_flags);
346void irc_send_invite(irc_user_t *iu, irc_channel_t *ic);
347void irc_send_cap(irc_t *irc, char *subcommand, char *body);
348void irc_send_away_notify(irc_user_t *iu);
349
350/* irc_user.c */
351irc_user_t *irc_user_new(irc_t *irc, const char *nick);
352int irc_user_free(irc_t *irc, irc_user_t *iu);
353irc_user_t *irc_user_by_name(irc_t *irc, const char *nick);
354int irc_user_set_nick(irc_user_t *iu, const char *new_nick);
355gint irc_user_cmp(gconstpointer a_, gconstpointer b_);
356const char *irc_user_get_away(irc_user_t *iu);
357void irc_user_quit(irc_user_t *iu, const char *msg);
358
359/* irc_util.c */
360char *set_eval_timezone(struct set *set, char *value);
361char *irc_format_timestamp(irc_t *irc, time_t msg_ts);
362char *set_eval_self_messages(struct set *set, char *value);
363
364/* irc_im.c */
365void bee_irc_channel_update(irc_t *irc, irc_channel_t *ic, irc_user_t *iu);
366void bee_irc_user_nick_reset(irc_user_t *iu);
367
368/* irc_cap.c */
369void irc_cmd_cap(irc_t *irc, char **cmd);
370
371#endif
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