source: irc.h @ 00fd005

Last change on this file since 00fd005 was a429907, checked in by Wilmer van der Gaast <wilmer@…>, at 2010-12-05T12:28:07Z

rename -del
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1  /********************************************************************\
2  * BitlBee -- An IRC to other IM-networks gateway                     *
3  *                                                                    *
4  * Copyright 2002-2010 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., 59 Temple Place,
23  Suite 330, Boston, MA  02111-1307  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{
46        USTATUS_OFFLINE = 0,
47        USTATUS_AUTHORIZED = 1, /* Gave the correct server password (PASS). */
48        USTATUS_LOGGED_IN = 2,  /* USER+NICK(+PASS) finished. */
49        USTATUS_IDENTIFIED = 4, /* To NickServ (root). */
50        USTATUS_SHUTDOWN = 8,   /* Now used to indicate we're shutting down.
51                                   Currently just blocks irc_vawrite(). */
52} irc_status_t;
53
54struct irc_user;
55
56typedef struct irc
57{
58        int fd;
59        irc_status_t status;
60        double last_pong;
61        int pinging;
62        char *sendbuffer;
63        char *readbuffer;
64        GIConv iconv, oconv;
65
66        struct irc_user *root;
67        struct irc_user *user;
68       
69        char *password; /* HACK: Used to save the user's password, but before
70                           logging in, this may contain a password we should
71                           send to identify after USER/NICK are received. */
72
73        char umode[8];
74       
75        struct query *queries;
76        GSList *file_transfers;
77       
78        GSList *users, *channels;
79        struct irc_channel *default_channel;
80        GHashTable *nick_user_hash;
81        GHashTable *watches; /* See irc_cmd_watch() */
82
83        gint r_watch_source_id;
84        gint w_watch_source_id;
85        gint ping_source_id;
86        gint login_source_id; /* To slightly delay some events at login time. */
87       
88        struct otr *otr; /* OTR state and book keeping, used by the OTR plugin.
89                            TODO: Some mechanism for plugindata. */
90       
91        struct bee *b;
92} irc_t;
93
94typedef enum
95{
96        /* Replaced with iu->last_channel IRC_USER_PRIVATE = 1, */
97        IRC_USER_AWAY = 2,
98       
99        IRC_USER_OTR_ENCRYPTED = 0x10000,
100        IRC_USER_OTR_TRUSTED   = 0x20000,
101} irc_user_flags_t;
102
103typedef struct irc_user
104{
105        irc_t *irc;
106       
107        char *nick;
108        char *user;
109        char *host;
110        char *fullname;
111       
112        /* Nickname in lowercase for case insensitive searches */
113        char *key;
114       
115        irc_user_flags_t flags;
116        struct irc_channel *last_channel;
117       
118        GString *pastebuf; /* Paste buffer (combine lines into a multiline msg). */
119        guint pastebuf_timer;
120        time_t away_reply_timeout; /* Only send a 301 if this time passed. */
121       
122        struct bee_user *bu;
123       
124        const struct irc_user_funcs *f;
125} irc_user_t;
126
127struct irc_user_funcs
128{
129        gboolean (*privmsg)( irc_user_t *iu, const char *msg );
130        gboolean (*ctcp)( irc_user_t *iu, char * const* ctcp );
131};
132
133extern const struct irc_user_funcs irc_user_root_funcs;
134extern const struct irc_user_funcs irc_user_self_funcs;
135
136typedef enum
137{
138        IRC_CHANNEL_JOINED = 1, /* The user is currently in the channel. */
139        IRC_CHANNEL_TEMP = 2,   /* Erase the channel when the user leaves,
140                                   and don't save it. */
141       
142        /* Hack: Set this flag right before jumping into IM when we expect
143           a call to imcb_chat_new(). */
144        IRC_CHANNEL_CHAT_PICKME = 0x10000,
145} irc_channel_flags_t;
146
147typedef struct irc_channel
148{
149        irc_t *irc;
150        char *name;
151        char mode[8];
152        int flags;
153       
154        char *topic;
155        char *topic_who;
156        time_t topic_time;
157       
158        GSList *users; /* struct irc_channel_user */
159        struct irc_user *last_target;
160        struct set *set;
161       
162        GString *pastebuf; /* Paste buffer (combine lines into a multiline msg). */
163        guint pastebuf_timer;
164       
165        const struct irc_channel_funcs *f;
166        void *data;
167} irc_channel_t;
168
169struct irc_channel_funcs
170{
171        gboolean (*privmsg)( irc_channel_t *ic, const char *msg );
172        gboolean (*join)( irc_channel_t *ic );
173        gboolean (*part)( irc_channel_t *ic, const char *msg );
174        gboolean (*topic)( irc_channel_t *ic, const char *new );
175        gboolean (*invite)( irc_channel_t *ic, irc_user_t *iu );
176       
177        gboolean (*_init)( irc_channel_t *ic );
178        gboolean (*_free)( irc_channel_t *ic );
179};
180
181typedef enum
182{
183        IRC_CHANNEL_USER_OP = 1,
184        IRC_CHANNEL_USER_HALFOP = 2,
185        IRC_CHANNEL_USER_VOICE = 4,
186        IRC_CHANNEL_USER_NONE = 8,
187} irc_channel_user_flags_t;
188
189typedef struct irc_channel_user
190{
191        irc_user_t *iu;
192        int flags;
193} irc_channel_user_t;
194
195typedef enum
196{
197        IRC_CC_TYPE_DEFAULT,
198        IRC_CC_TYPE_REST,
199        IRC_CC_TYPE_GROUP,
200        IRC_CC_TYPE_ACCOUNT,
201        IRC_CC_TYPE_PROTOCOL,
202} irc_control_channel_type_t;
203
204struct irc_control_channel
205{
206        irc_control_channel_type_t type;
207        struct bee_group *group;
208        struct account *account;
209        struct prpl *protocol;
210        char modes[4];
211};
212
213extern const struct bee_ui_funcs irc_ui_funcs;
214
215typedef enum
216{
217        IRC_CDU_SILENT,
218        IRC_CDU_PART,
219        IRC_CDU_KICK,
220} irc_channel_del_user_type_t;
221
222/* These are a glued a little bit to the core/bee layer and a little bit to
223   IRC. The first user is OTR, and I guess at some point we'll get to shape
224   this a little bit more as other uses come up. */
225typedef struct irc_plugin
226{
227        /* Called at the end of irc_new(). Can be used to add settings, etc. */
228        gboolean (*irc_new)( irc_t *irc );
229        /* At the end of irc_free(). */
230        void (*irc_free)( irc_t *irc );
231       
232        /* Problem with the following two functions is ordering if multiple
233           plugins are handling them. Let's keep fixing that problem for
234           whenever it becomes important. */
235       
236        /* Called by bee_irc_user_privmsg_cb(). Return NULL if you want to
237           abort sending the msg. */
238        char* (*filter_msg_out)( irc_user_t *iu, char *msg, int flags );
239        /* Called by bee_irc_user_msg(). Return NULL if you swallowed the
240           message and don't want anything to go to the user. */
241        char* (*filter_msg_in)( irc_user_t *iu, char *msg, int flags );
242       
243        /* From storage.c functions. Ideally these should not be used
244           and instead data should be stored in settings which will get
245           saved automatically. Consider these deprecated! */
246        void (*storage_load)( irc_t *irc );
247        void (*storage_save)( irc_t *irc );
248        void (*storage_remove)( const char *nick );
249} irc_plugin_t;
250
251extern GSList *irc_plugins; /* struct irc_plugin */
252
253/* irc.c */
254extern GSList *irc_connection_list;
255
256irc_t *irc_new( int fd );
257void irc_abort( irc_t *irc, int immed, char *format, ... ) G_GNUC_PRINTF( 3, 4 );
258void irc_free( irc_t *irc );
259void irc_setpass (irc_t *irc, const char *pass);
260
261void irc_process( irc_t *irc );
262char **irc_parse_line( char *line );
263char *irc_build_line( char **cmd );
264
265void irc_write( irc_t *irc, char *format, ... ) G_GNUC_PRINTF( 2, 3 );
266void irc_write_all( int now, char *format, ... ) G_GNUC_PRINTF( 2, 3 );
267void irc_vawrite( irc_t *irc, char *format, va_list params );
268
269void irc_flush( irc_t *irc );
270void irc_switch_fd( irc_t *irc, int fd );
271void irc_sync( irc_t *irc );
272void irc_desync( irc_t *irc );
273
274int irc_check_login( irc_t *irc );
275
276void irc_umode_set( irc_t *irc, const char *s, gboolean allow_priv );
277
278void register_irc_plugin( const struct irc_plugin *p );
279
280/* irc_channel.c */
281irc_channel_t *irc_channel_new( irc_t *irc, const char *name );
282irc_channel_t *irc_channel_by_name( irc_t *irc, const char *name );
283irc_channel_t *irc_channel_get( irc_t *irc, char *id );
284int irc_channel_free( irc_channel_t *ic );
285void irc_channel_free_soon( irc_channel_t *ic );
286int irc_channel_add_user( irc_channel_t *ic, irc_user_t *iu );
287int irc_channel_del_user( irc_channel_t *ic, irc_user_t *iu, irc_channel_del_user_type_t type, const char *msg );
288irc_channel_user_t *irc_channel_has_user( irc_channel_t *ic, irc_user_t *iu );
289struct irc_channel *irc_channel_with_user( irc_t *irc, irc_user_t *iu );
290int irc_channel_set_topic( irc_channel_t *ic, const char *topic, const irc_user_t *who );
291void irc_channel_user_set_mode( irc_channel_t *ic, irc_user_t *iu, irc_channel_user_flags_t flags );
292void irc_channel_set_mode( irc_channel_t *ic, const char *s );
293void irc_channel_auto_joins( irc_t *irc, struct account *acc );
294void irc_channel_printf( irc_channel_t *ic, char *format, ... );
295gboolean irc_channel_name_ok( const char *name );
296void irc_channel_name_strip( char *name );
297int irc_channel_name_cmp( const char *a_, const char *b_ );
298void irc_channel_update_ops( irc_channel_t *ic, char *value );
299char *set_eval_irc_channel_ops( struct set *set, char *value );
300gboolean irc_channel_wants_user( irc_channel_t *ic, irc_user_t *iu );
301
302/* irc_commands.c */
303void irc_exec( irc_t *irc, char **cmd );
304
305/* irc_send.c */
306void irc_send_num( irc_t *irc, int code, char *format, ... ) G_GNUC_PRINTF( 3, 4 );
307void irc_send_login( irc_t *irc );
308void irc_send_motd( irc_t *irc );
309void irc_usermsg( irc_t *irc, char *format, ... );
310void irc_send_join( irc_channel_t *ic, irc_user_t *iu );
311void irc_send_part( irc_channel_t *ic, irc_user_t *iu, const char *reason );
312void irc_send_quit( irc_user_t *iu, const char *reason );
313void irc_send_kick( irc_channel_t *ic, irc_user_t *iu, irc_user_t *kicker, const char *reason );
314void irc_send_names( irc_channel_t *ic );
315void irc_send_topic( irc_channel_t *ic, gboolean topic_change );
316void irc_send_whois( irc_user_t *iu );
317void irc_send_who( irc_t *irc, GSList *l, const char *channel );
318void irc_send_msg( irc_user_t *iu, const char *type, const char *dst, const char *msg, const char *prefix );
319void irc_send_msg_raw( irc_user_t *iu, const char *type, const char *dst, const char *msg );
320void irc_send_msg_f( irc_user_t *iu, const char *type, const char *dst, const char *format, ... ) G_GNUC_PRINTF( 4, 5 );
321void irc_send_nick( irc_user_t *iu, const char *new );
322void irc_send_channel_user_mode_diff( irc_channel_t *ic, irc_user_t *iu,
323                                      irc_channel_user_flags_t old, irc_channel_user_flags_t new );
324void irc_send_invite( irc_user_t *iu, irc_channel_t *ic );
325
326/* irc_user.c */
327irc_user_t *irc_user_new( irc_t *irc, const char *nick );
328int irc_user_free( irc_t *irc, irc_user_t *iu );
329irc_user_t *irc_user_by_name( irc_t *irc, const char *nick );
330int irc_user_set_nick( irc_user_t *iu, const char *new );
331gint irc_user_cmp( gconstpointer a_, gconstpointer b_ );
332const char *irc_user_get_away( irc_user_t *iu );
333void irc_user_quit( irc_user_t *iu, const char *msg );
334
335/* irc_util.c */
336char *set_eval_timezone( struct set *set, char *value );
337char *irc_format_timestamp( irc_t *irc, time_t msg_ts );
338
339/* irc_im.c */
340void bee_irc_channel_update( irc_t *irc, irc_channel_t *ic, irc_user_t *iu );
341void bee_irc_user_nick_reset( irc_user_t *iu );
342
343#endif
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