source: irc.h @ 9e8c945

Last change on this file since 9e8c945 was fda194f, checked in by Wilmer van der Gaast <wilmer@…>, at 2012-03-19T21:01:50Z

Allow identify -noload/-force without typing a password. (/OPER)
Patch from trac3r, bug #814.
  • Property mode set to 100644
File size: 11.9 KB
Line 
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
53        /* Not really status stuff, but other kinds of flags: For slightly
54           better password security, since the only way to send passwords
55           to the IRC server securely (i.e. not echoing to screen or written
56           to logfiles) is the /OPER command, try to use that command for
57           stuff that matters. */
58        OPER_HACK_IDENTIFY = 0x100,
59        OPER_HACK_IDENTIFY_NOLOAD = 0x01100,
60        OPER_HACK_IDENTIFY_FORCE  = 0x02100,
61        OPER_HACK_REGISTER = 0x200,
62        OPER_HACK_ACCOUNT_ADD = 0x400,
63        OPER_HACK_ANY = 0x3700, /* To check for them all at once. */
64} irc_status_t;
65
66struct irc_user;
67
68typedef struct irc
69{
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{
108        /* Replaced with iu->last_channel IRC_USER_PRIVATE = 1, */
109        IRC_USER_AWAY = 2,
110       
111        IRC_USER_OTR_ENCRYPTED = 0x10000,
112        IRC_USER_OTR_TRUSTED   = 0x20000,
113} irc_user_flags_t;
114
115typedef struct irc_user
116{
117        irc_t *irc;
118       
119        char *nick;
120        char *user;
121        char *host;
122        char *fullname;
123       
124        /* Nickname in lowercase for case insensitive searches */
125        char *key;
126       
127        irc_user_flags_t flags;
128        struct irc_channel *last_channel;
129       
130        GString *pastebuf; /* Paste buffer (combine lines into a multiline msg). */
131        guint pastebuf_timer;
132        time_t away_reply_timeout; /* Only send a 301 if this time passed. */
133       
134        struct bee_user *bu;
135       
136        const struct irc_user_funcs *f;
137} irc_user_t;
138
139struct irc_user_funcs
140{
141        gboolean (*privmsg)( irc_user_t *iu, const char *msg );
142        gboolean (*ctcp)( irc_user_t *iu, char * const* ctcp );
143};
144
145extern const struct irc_user_funcs irc_user_root_funcs;
146extern const struct irc_user_funcs irc_user_self_funcs;
147
148typedef enum
149{
150        IRC_CHANNEL_JOINED = 1, /* The user is currently in the channel. */
151        IRC_CHANNEL_TEMP = 2,   /* Erase the channel when the user leaves,
152                                   and don't save it. */
153       
154        /* Hack: Set this flag right before jumping into IM when we expect
155           a call to imcb_chat_new(). */
156        IRC_CHANNEL_CHAT_PICKME = 0x10000,
157} irc_channel_flags_t;
158
159typedef struct irc_channel
160{
161        irc_t *irc;
162        char *name;
163        char mode[8];
164        int flags;
165       
166        char *topic;
167        char *topic_who;
168        time_t topic_time;
169       
170        GSList *users; /* struct irc_channel_user */
171        struct irc_user *last_target;
172        struct set *set;
173       
174        GString *pastebuf; /* Paste buffer (combine lines into a multiline msg). */
175        guint pastebuf_timer;
176       
177        const struct irc_channel_funcs *f;
178        void *data;
179} irc_channel_t;
180
181struct irc_channel_funcs
182{
183        gboolean (*privmsg)( irc_channel_t *ic, const char *msg );
184        gboolean (*join)( irc_channel_t *ic );
185        gboolean (*part)( irc_channel_t *ic, const char *msg );
186        gboolean (*topic)( irc_channel_t *ic, const char *new_topic );
187        gboolean (*invite)( irc_channel_t *ic, irc_user_t *iu );
188       
189        gboolean (*_init)( irc_channel_t *ic );
190        gboolean (*_free)( irc_channel_t *ic );
191};
192
193typedef enum
194{
195        IRC_CHANNEL_USER_OP = 1,
196        IRC_CHANNEL_USER_HALFOP = 2,
197        IRC_CHANNEL_USER_VOICE = 4,
198        IRC_CHANNEL_USER_NONE = 8,
199} irc_channel_user_flags_t;
200
201typedef struct irc_channel_user
202{
203        irc_user_t *iu;
204        int flags;
205} irc_channel_user_t;
206
207typedef enum
208{
209        IRC_CC_TYPE_DEFAULT,
210        IRC_CC_TYPE_REST,
211        IRC_CC_TYPE_GROUP,
212        IRC_CC_TYPE_ACCOUNT,
213        IRC_CC_TYPE_PROTOCOL,
214} irc_control_channel_type_t;
215
216struct irc_control_channel
217{
218        irc_control_channel_type_t type;
219        struct bee_group *group;
220        struct account *account;
221        struct prpl *protocol;
222        char modes[4];
223};
224
225extern const struct bee_ui_funcs irc_ui_funcs;
226
227typedef enum
228{
229        IRC_CDU_SILENT,
230        IRC_CDU_PART,
231        IRC_CDU_KICK,
232} irc_channel_del_user_type_t;
233
234/* These are a glued a little bit to the core/bee layer and a little bit to
235   IRC. The first user is OTR, and I guess at some point we'll get to shape
236   this a little bit more as other uses come up. */
237typedef struct irc_plugin
238{
239        /* Called at the end of irc_new(). Can be used to add settings, etc. */
240        gboolean (*irc_new)( irc_t *irc );
241        /* At the end of irc_free(). */
242        void (*irc_free)( irc_t *irc );
243       
244        /* Problem with the following two functions is ordering if multiple
245           plugins are handling them. Let's keep fixing that problem for
246           whenever it becomes important. */
247       
248        /* Called by bee_irc_user_privmsg_cb(). Return NULL if you want to
249           abort sending the msg. */
250        char* (*filter_msg_out)( irc_user_t *iu, char *msg, int flags );
251        /* Called by bee_irc_user_msg(). Return NULL if you swallowed the
252           message and don't want anything to go to the user. */
253        char* (*filter_msg_in)( irc_user_t *iu, char *msg, int flags );
254       
255        /* From storage.c functions. Ideally these should not be used
256           and instead data should be stored in settings which will get
257           saved automatically. Consider these deprecated! */
258        void (*storage_load)( irc_t *irc );
259        void (*storage_save)( irc_t *irc );
260        void (*storage_remove)( const char *nick );
261} irc_plugin_t;
262
263extern GSList *irc_plugins; /* struct irc_plugin */
264
265/* irc.c */
266extern GSList *irc_connection_list;
267
268irc_t *irc_new( int fd );
269void irc_abort( irc_t *irc, int immed, char *format, ... ) G_GNUC_PRINTF( 3, 4 );
270void irc_free( irc_t *irc );
271void irc_setpass (irc_t *irc, const char *pass);
272
273void irc_process( irc_t *irc );
274char **irc_parse_line( char *line );
275char *irc_build_line( char **cmd );
276
277void irc_write( irc_t *irc, char *format, ... ) G_GNUC_PRINTF( 2, 3 );
278void irc_write_all( int now, char *format, ... ) G_GNUC_PRINTF( 2, 3 );
279void irc_vawrite( irc_t *irc, char *format, va_list params );
280
281void irc_flush( irc_t *irc );
282void irc_switch_fd( irc_t *irc, int fd );
283void irc_sync( irc_t *irc );
284void irc_desync( irc_t *irc );
285
286int irc_check_login( irc_t *irc );
287
288void irc_umode_set( irc_t *irc, const char *s, gboolean allow_priv );
289
290void register_irc_plugin( const struct irc_plugin *p );
291
292/* irc_channel.c */
293irc_channel_t *irc_channel_new( irc_t *irc, const char *name );
294irc_channel_t *irc_channel_by_name( irc_t *irc, const char *name );
295irc_channel_t *irc_channel_get( irc_t *irc, char *id );
296int irc_channel_free( irc_channel_t *ic );
297void irc_channel_free_soon( irc_channel_t *ic );
298int irc_channel_add_user( irc_channel_t *ic, irc_user_t *iu );
299int irc_channel_del_user( irc_channel_t *ic, irc_user_t *iu, irc_channel_del_user_type_t type, const char *msg );
300irc_channel_user_t *irc_channel_has_user( irc_channel_t *ic, irc_user_t *iu );
301struct irc_channel *irc_channel_with_user( irc_t *irc, irc_user_t *iu );
302int irc_channel_set_topic( irc_channel_t *ic, const char *topic, const irc_user_t *who );
303void irc_channel_user_set_mode( irc_channel_t *ic, irc_user_t *iu, irc_channel_user_flags_t flags );
304void irc_channel_set_mode( irc_channel_t *ic, const char *s );
305void irc_channel_auto_joins( irc_t *irc, struct account *acc );
306void irc_channel_printf( irc_channel_t *ic, char *format, ... );
307gboolean irc_channel_name_ok( const char *name );
308void irc_channel_name_strip( char *name );
309int irc_channel_name_cmp( const char *a_, const char *b_ );
310void irc_channel_update_ops( irc_channel_t *ic, char *value );
311char *set_eval_irc_channel_ops( struct set *set, char *value );
312gboolean irc_channel_wants_user( irc_channel_t *ic, irc_user_t *iu );
313
314/* irc_commands.c */
315void irc_exec( irc_t *irc, char **cmd );
316
317/* irc_send.c */
318void irc_send_num( irc_t *irc, int code, char *format, ... ) G_GNUC_PRINTF( 3, 4 );
319void irc_send_login( irc_t *irc );
320void irc_send_motd( irc_t *irc );
321const char *irc_user_msgdest( irc_user_t *iu );
322void irc_rootmsg( irc_t *irc, char *format, ... );
323void irc_usermsg( irc_user_t *iu, char *format, ... );
324void irc_usernotice( irc_user_t *iu, char *format, ... );
325void irc_send_join( irc_channel_t *ic, irc_user_t *iu );
326void irc_send_part( irc_channel_t *ic, irc_user_t *iu, const char *reason );
327void irc_send_quit( irc_user_t *iu, const char *reason );
328void irc_send_kick( irc_channel_t *ic, irc_user_t *iu, irc_user_t *kicker, const char *reason );
329void irc_send_names( irc_channel_t *ic );
330void irc_send_topic( irc_channel_t *ic, gboolean topic_change );
331void irc_send_whois( irc_user_t *iu );
332void irc_send_who( irc_t *irc, GSList *l, const char *channel );
333void irc_send_msg( irc_user_t *iu, const char *type, const char *dst, const char *msg, const char *prefix );
334void irc_send_msg_raw( irc_user_t *iu, const char *type, const char *dst, const char *msg );
335void irc_send_msg_f( irc_user_t *iu, const char *type, const char *dst, const char *format, ... ) G_GNUC_PRINTF( 4, 5 );
336void irc_send_nick( irc_user_t *iu, const char *new_nick );
337void irc_send_channel_user_mode_diff( irc_channel_t *ic, irc_user_t *iu,
338                                      irc_channel_user_flags_t old_flags, irc_channel_user_flags_t new_flags );
339void irc_send_invite( irc_user_t *iu, irc_channel_t *ic );
340
341/* irc_user.c */
342irc_user_t *irc_user_new( irc_t *irc, const char *nick );
343int irc_user_free( irc_t *irc, irc_user_t *iu );
344irc_user_t *irc_user_by_name( irc_t *irc, const char *nick );
345int irc_user_set_nick( irc_user_t *iu, const char *new_nick );
346gint irc_user_cmp( gconstpointer a_, gconstpointer b_ );
347const char *irc_user_get_away( irc_user_t *iu );
348void irc_user_quit( irc_user_t *iu, const char *msg );
349
350/* irc_util.c */
351char *set_eval_timezone( struct set *set, char *value );
352char *irc_format_timestamp( irc_t *irc, time_t msg_ts );
353
354/* irc_im.c */
355void bee_irc_channel_update( irc_t *irc, irc_channel_t *ic, irc_user_t *iu );
356void bee_irc_user_nick_reset( irc_user_t *iu );
357
358#endif
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