source: protocols/jabber/jabber.h @ fcfd9c5

Last change on this file since fcfd9c5 was 63075d7, checked in by Wilmer van der Gaast <wilmer@…>, at 2008-02-03T23:33:18Z

Messages from the user are also included in backlogs when joining a Jabber
chatroom. Until now they were ignored, which might make backlogs a little
bit confusing.
  • Property mode set to 100644
File size: 10.9 KB
Line 
1/***************************************************************************\
2*                                                                           *
3*  BitlBee - An IRC to IM gateway                                           *
4*  Jabber module - Main file                                                *
5*                                                                           *
6*  Copyright 2006 Wilmer van der Gaast <wilmer@gaast.net>                   *
7*                                                                           *
8*  This program is free software; you can redistribute it and/or modify     *
9*  it under the terms of the GNU General Public License as published by     *
10*  the Free Software Foundation; either version 2 of the License, or        *
11*  (at your option) any later version.                                      *
12*                                                                           *
13*  This program is distributed in the hope that it will be useful,          *
14*  but WITHOUT ANY WARRANTY; without even the implied warranty of           *
15*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            *
16*  GNU General Public License for more details.                             *
17*                                                                           *
18*  You should have received a copy of the GNU General Public License along  *
19*  with this program; if not, write to the Free Software Foundation, Inc.,  *
20*  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.              *
21*                                                                           *
22\***************************************************************************/
23
24#ifndef _JABBER_H
25#define _JABBER_H
26
27#include <glib.h>
28
29#include "xmltree.h"
30#include "bitlbee.h"
31
32extern GSList *jabber_connections;
33
34typedef enum
35{
36        JFLAG_STREAM_STARTED = 1,       /* Set when we detected the beginning of the stream
37                                           and want to do auth. */
38        JFLAG_AUTHENTICATED = 2,        /* Set when we're successfully authenticatd. */
39        JFLAG_STREAM_RESTART = 4,       /* Set when we want to restart the stream (after
40                                           SASL or TLS). */
41        JFLAG_WAIT_SESSION = 8,         /* Set if we sent a <session> tag and need a reply
42                                           before we continue. */
43        JFLAG_WAIT_BIND = 16,           /* ... for <bind> tag. */
44        JFLAG_WANT_TYPING = 32,         /* Set if we ever sent a typing notification, this
45                                           activates all XEP-85 related code. */
46        JFLAG_XMLCONSOLE = 64,          /* If the user added an xmlconsole buddy. */
47} jabber_flags_t;
48
49typedef enum
50{
51        JBFLAG_PROBED_XEP85 = 1,        /* Set this when we sent our probe packet to make
52                                           sure it gets sent only once. */
53        JBFLAG_DOES_XEP85 = 2,          /* Set this when the resource seems to support
54                                           XEP85 (typing notification shite). */
55        JBFLAG_IS_CHATROOM = 4,         /* It's convenient to use this JID thingy for
56                                           groupchat state info too. */
57        JBFLAG_IS_ANONYMOUS = 8,        /* For anonymous chatrooms, when we don't have
58                                           have a real JID. */
59} jabber_buddy_flags_t;
60
61typedef enum
62{
63        JCFLAG_MESSAGE_SENT = 1,        /* Set this after sending the first message, so
64                                           we can detect echoes/backlogs. */
65} jabber_chat_flags_t;
66
67struct jabber_data
68{
69        struct im_connection *ic;
70       
71        int fd;
72        void *ssl;
73        char *txq;
74        int tx_len;
75        int r_inpa, w_inpa;
76       
77        struct xt_parser *xt;
78        jabber_flags_t flags;
79       
80        char *username;         /* USERNAME@server */
81        char *server;           /* username@SERVER -=> server/domain, not hostname */
82       
83        /* After changing one of these two (or the priority setting), call
84           presence_send_update() to inform the server about the changes. */
85        struct jabber_away_state *away_state;
86        char *away_message;
87       
88        char *cached_id_prefix;
89        GHashTable *node_cache;
90        GHashTable *buddies;
91};
92
93struct jabber_away_state
94{
95        char code[5];
96        char *full_name;
97};
98
99typedef xt_status (*jabber_cache_event) ( struct im_connection *ic, struct xt_node *node, struct xt_node *orig );
100
101struct jabber_cache_entry
102{
103        time_t saved_at;
104        struct xt_node *node;
105        jabber_cache_event func;
106};
107
108struct jabber_buddy
109{
110        char *bare_jid;
111        char *full_jid;
112        char *resource;
113       
114        char *ext_jid; /* The JID to use in BitlBee. The real JID if possible, */
115                       /* otherwise something similar to the conference JID. */
116       
117        int priority;
118        struct jabber_away_state *away_state;
119        char *away_message;
120       
121        time_t last_act;
122        jabber_buddy_flags_t flags;
123       
124        struct jabber_buddy *next;
125};
126
127struct jabber_chat
128{
129        int flags;
130        char *name;
131        char *my_full_jid; /* Separate copy because of case sensitivity. */
132        struct jabber_buddy *me;
133};
134
135#define JABBER_XMLCONSOLE_HANDLE "xmlconsole"
136
137#define JABBER_PORT_DEFAULT "5222"
138#define JABBER_PORT_MIN 5220
139#define JABBER_PORT_MAX 5229
140
141/* Prefixes to use for packet IDs (mainly for IQ packets ATM). Usually the
142   first one should be used, but when storing a packet in the cache, a
143   "special" kind of ID is assigned to make it easier later to figure out
144   if we have to do call an event handler for the response packet. Also
145   we'll append a hash to make sure we won't trigger on cached packets from
146   other BitlBee users. :-) */
147#define JABBER_PACKET_ID "BeeP"
148#define JABBER_CACHED_ID "BeeC"
149
150/* The number of seconds to keep cached packets before garbage collecting
151   them. This gc is done on every keepalive (every minute). */
152#define JABBER_CACHE_MAX_AGE 600
153
154/* RFC 392[01] stuff */
155#define XMLNS_TLS          "urn:ietf:params:xml:ns:xmpp-tls"
156#define XMLNS_SASL         "urn:ietf:params:xml:ns:xmpp-sasl"
157#define XMLNS_BIND         "urn:ietf:params:xml:ns:xmpp-bind"
158#define XMLNS_SESSION      "urn:ietf:params:xml:ns:xmpp-session"
159#define XMLNS_STANZA_ERROR "urn:ietf:params:xml:ns:xmpp-stanzas"
160#define XMLNS_STREAM_ERROR "urn:ietf:params:xml:ns:xmpp-streams"
161#define XMLNS_ROSTER       "jabber:iq:roster"
162
163/* Some supported extensions/legacy stuff */
164#define XMLNS_AUTH         "jabber:iq:auth"                     /* XEP-0078 */
165#define XMLNS_VERSION      "jabber:iq:version"                  /* XEP-0092 */
166#define XMLNS_TIME         "jabber:iq:time"                     /* XEP-0090 */
167#define XMLNS_PING         "urn:xmpp:ping"                      /* XEP-0199 */
168#define XMLNS_VCARD        "vcard-temp"                         /* XEP-0054 */
169#define XMLNS_DELAY        "jabber:x:delay"                     /* XEP-0091 */
170#define XMLNS_CHATSTATES   "http://jabber.org/protocol/chatstates"  /* 0085 */
171#define XMLNS_DISCOVER     "http://jabber.org/protocol/disco#info"  /* 0030 */
172#define XMLNS_MUC          "http://jabber.org/protocol/muc"     /* XEP-0045 */
173#define XMLNS_MUC_USER     "http://jabber.org/protocol/muc#user"/* XEP-0045 */
174#define XMLNS_CAPS         "http://jabber.org/protocol/caps"    /* XEP-0115 */
175
176/* iq.c */
177xt_status jabber_pkt_iq( struct xt_node *node, gpointer data );
178int jabber_init_iq_auth( struct im_connection *ic );
179xt_status jabber_pkt_bind_sess( struct im_connection *ic, struct xt_node *node, struct xt_node *orig );
180int jabber_get_roster( struct im_connection *ic );
181int jabber_get_vcard( struct im_connection *ic, char *bare_jid );
182int jabber_add_to_roster( struct im_connection *ic, char *handle, char *name );
183int jabber_remove_from_roster( struct im_connection *ic, char *handle );
184
185/* message.c */
186xt_status jabber_pkt_message( struct xt_node *node, gpointer data );
187
188/* presence.c */
189xt_status jabber_pkt_presence( struct xt_node *node, gpointer data );
190int presence_send_update( struct im_connection *ic );
191int presence_send_request( struct im_connection *ic, char *handle, char *request );
192
193/* jabber_util.c */
194char *set_eval_priority( set_t *set, char *value );
195char *set_eval_tls( set_t *set, char *value );
196struct xt_node *jabber_make_packet( char *name, char *type, char *to, struct xt_node *children );
197struct xt_node *jabber_make_error_packet( struct xt_node *orig, char *err_cond, char *err_type );
198void jabber_cache_add( struct im_connection *ic, struct xt_node *node, jabber_cache_event func );
199struct xt_node *jabber_cache_get( struct im_connection *ic, char *id );
200void jabber_cache_entry_free( gpointer entry );
201void jabber_cache_clean( struct im_connection *ic );
202xt_status jabber_cache_handle_packet( struct im_connection *ic, struct xt_node *node );
203const struct jabber_away_state *jabber_away_state_by_code( char *code );
204const struct jabber_away_state *jabber_away_state_by_name( char *name );
205void jabber_buddy_ask( struct im_connection *ic, char *handle );
206char *jabber_normalize( const char *orig );
207
208typedef enum
209{
210        GET_BUDDY_CREAT = 1,    /* Try to create it, if necessary. */
211        GET_BUDDY_EXACT = 2,    /* Get an exact match (only makes sense with bare JIDs). */
212        GET_BUDDY_FIRST = 4,    /* No selection, simply get the first resource for this JID. */
213} get_buddy_flags_t;
214
215struct jabber_error
216{
217        char *code, *text, *type;
218};
219
220struct jabber_buddy *jabber_buddy_add( struct im_connection *ic, char *full_jid );
221struct jabber_buddy *jabber_buddy_by_jid( struct im_connection *ic, char *jid, get_buddy_flags_t flags );
222struct jabber_buddy *jabber_buddy_by_ext_jid( struct im_connection *ic, char *jid, get_buddy_flags_t flags );
223int jabber_buddy_remove( struct im_connection *ic, char *full_jid );
224int jabber_buddy_remove_bare( struct im_connection *ic, char *bare_jid );
225time_t jabber_get_timestamp( struct xt_node *xt );
226struct jabber_error *jabber_error_parse( struct xt_node *node, char *xmlns );
227void jabber_error_free( struct jabber_error *err );
228
229extern const struct jabber_away_state jabber_away_state_list[];
230
231/* io.c */
232int jabber_write_packet( struct im_connection *ic, struct xt_node *node );
233int jabber_write( struct im_connection *ic, char *buf, int len );
234gboolean jabber_connected_plain( gpointer data, gint source, b_input_condition cond );
235gboolean jabber_connected_ssl( gpointer data, void *source, b_input_condition cond );
236gboolean jabber_start_stream( struct im_connection *ic );
237void jabber_end_stream( struct im_connection *ic );
238
239/* sasl.c */
240xt_status sasl_pkt_mechanisms( struct xt_node *node, gpointer data );
241xt_status sasl_pkt_challenge( struct xt_node *node, gpointer data );
242xt_status sasl_pkt_result( struct xt_node *node, gpointer data );
243gboolean sasl_supported( struct im_connection *ic );
244
245/* conference.c */
246struct groupchat *jabber_chat_join( struct im_connection *ic, char *room, char *nick, char *password );
247struct groupchat *jabber_chat_by_jid( struct im_connection *ic, const char *name );
248void jabber_chat_free( struct groupchat *c );
249int jabber_chat_msg( struct groupchat *ic, char *message, int flags );
250int jabber_chat_topic( struct groupchat *c, char *topic );
251int jabber_chat_leave( struct groupchat *c, const char *reason );
252void jabber_chat_pkt_presence( struct im_connection *ic, struct jabber_buddy *bud, struct xt_node *node );
253void jabber_chat_pkt_message( struct im_connection *ic, struct jabber_buddy *bud, struct xt_node *node );
254void jabber_chat_invite( struct groupchat *c, char *who, char *message );
255
256#endif
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