1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
|
/*
channel-events.c : irssi
Copyright (C) 1999-2000 Timo Sirainen
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "module.h"
#include "signals.h"
#include "misc.h"
#include "channels.h"
#include "irc.h"
static void event_cannot_join(const char *data, IRC_SERVER_REC *server)
{
CHANNEL_REC *chanrec;
char *params, *channel;
g_return_if_fail(data != NULL);
params = event_get_params(data, 2, NULL, &channel);
if (channel[0] == '!' && channel[1] == '!')
channel++; /* server didn't understand !channels */
chanrec = channel_find(server, channel);
if (chanrec == NULL && channel[0] == '!') {
/* it probably replied with the full !channel name,
find the channel with the short name.. */
channel = g_strdup_printf("!%s", channel+6);
chanrec = channel_find(server, channel);
g_free(channel);
}
if (chanrec != NULL && !chanrec->names_got) {
chanrec->left = TRUE;
channel_destroy(chanrec);
}
g_free(params);
}
static void event_target_unavailable(const char *data, IRC_SERVER_REC *server)
{
char *params, *channel;
g_return_if_fail(data != NULL);
params = event_get_params(data, 2, NULL, &channel);
if (ischannel(*channel)) {
/* channel is unavailable - try to join again a bit later */
event_cannot_join(data, server);
}
g_free(params);
}
static void channel_change_topic(IRC_SERVER_REC *server, const char *channel, const char *topic)
{
CHANNEL_REC *chanrec;
chanrec = channel_find(server, channel);
if (chanrec != NULL) {
g_free_not_null(chanrec->topic);
chanrec->topic = *topic == '\0' ? NULL : g_strdup(topic);
signal_emit("channel topic changed", 1, chanrec);
}
}
static void event_topic_get(const char *data, IRC_SERVER_REC *server)
{
char *params, *channel, *topic;
g_return_if_fail(data != NULL);
params = event_get_params(data, 3, NULL, &channel, &topic);
channel_change_topic(server, channel, topic);
g_free(params);
}
static void event_topic(const char *data, IRC_SERVER_REC *server)
{
char *params, *channel, *topic;
g_return_if_fail(data != NULL);
params = event_get_params(data, 2, &channel, &topic);
channel_change_topic(server, channel, topic);
g_free(params);
}
/* Find any unjoined channel that matches `channel'. Long channel names are
also a bit problematic, so find a channel where start of the name matches. */
static CHANNEL_REC *channel_find_unjoined(IRC_SERVER_REC *server, const char *channel)
{
GSList *tmp;
int len;
len = strlen(channel);
for (tmp = server->channels; tmp != NULL; tmp = tmp->next) {
CHANNEL_REC *rec = tmp->data;
if (rec->joined) continue;
if (g_strncasecmp(channel, rec->name, len) == 0 &&
(len > 20 || rec->name[len] == '\0'))
return rec;
}
return NULL;
}
static void event_join(const char *data, IRC_SERVER_REC *server, const char *nick, const char *address)
{
char *params, *channel, *tmp;
CHANNEL_REC *chanrec;
g_return_if_fail(data != NULL);
if (g_strcasecmp(nick, server->nick) != 0) {
/* someone else joined channel, no need to do anything */
return;
}
if (server->userhost == NULL)
server->userhost = g_strdup(address);
params = event_get_params(data, 1, &channel);
tmp = strchr(channel, 7); /* ^G does something weird.. */
if (tmp != NULL) *tmp = '\0';
if (*channel == '!') {
/* !channels have 5 chars long identification string before
it's name, it's not known when /join is called so rename
!channel here to !ABCDEchannel */
char *shortchan;
shortchan = g_strdup_printf("!%s", channel+6);
chanrec = channel_find_unjoined(server, shortchan);
if (chanrec != NULL) {
g_free(chanrec->name);
chanrec->name = g_strdup(channel);
}
g_free(shortchan);
}
chanrec = channel_find_unjoined(server, channel);
if (chanrec == NULL) {
/* didn't get here with /join command.. */
chanrec = channel_create(server, channel, TRUE);
}
chanrec->joined = TRUE;
if (strcmp(chanrec->name, channel) != 0) {
g_free(chanrec->name);
chanrec->name = g_strdup(channel);
}
g_free(params);
}
static void event_part(const char *data, IRC_SERVER_REC *server, const char *nick)
{
char *params, *channel, *reason;
CHANNEL_REC *chanrec;
g_return_if_fail(data != NULL);
if (g_strcasecmp(nick, server->nick) != 0) {
/* someone else part, no need to do anything here */
return;
}
params = event_get_params(data, 2, &channel, &reason);
chanrec = channel_find(server, channel);
if (chanrec != NULL) {
chanrec->left = TRUE;
channel_destroy(chanrec);
}
g_free(params);
}
static void event_kick(const char *data, IRC_SERVER_REC *server)
{
CHANNEL_REC *chanrec;
char *params, *channel, *nick, *reason;
g_return_if_fail(data != NULL);
params = event_get_params(data, 3, &channel, &nick, &reason);
if (g_strcasecmp(nick, server->nick) != 0) {
/* someone else was kicked, no need to do anything */
g_free(params);
return;
}
chanrec = channel_find(server, channel);
if (chanrec != NULL) {
chanrec->kicked = TRUE;
channel_destroy(chanrec);
}
g_free(params);
}
static void event_invite(const char *data, IRC_SERVER_REC *server)
{
char *params, *channel;
g_return_if_fail(data != NULL);
params = event_get_params(data, 2, NULL, &channel);
g_free_not_null(server->last_invite);
server->last_invite = g_strdup(channel);
g_free(params);
}
void channel_events_init(void)
{
signal_add_first("event 403", (SIGNAL_FUNC) event_cannot_join); /* no such channel */
signal_add_first("event 405", (SIGNAL_FUNC) event_cannot_join); /* too many channels */
signal_add_first("event 407", (SIGNAL_FUNC) event_cannot_join); /* duplicate channel */
signal_add_first("event 471", (SIGNAL_FUNC) event_cannot_join); /* channel is full */
signal_add_first("event 473", (SIGNAL_FUNC) event_cannot_join); /* invite only */
signal_add_first("event 474", (SIGNAL_FUNC) event_cannot_join); /* banned */
signal_add_first("event 475", (SIGNAL_FUNC) event_cannot_join); /* bad channel key */
signal_add_first("event 476", (SIGNAL_FUNC) event_cannot_join); /* bad channel mask */
signal_add("event topic", (SIGNAL_FUNC) event_topic);
signal_add("event join", (SIGNAL_FUNC) event_join);
signal_add("event part", (SIGNAL_FUNC) event_part);
signal_add("event kick", (SIGNAL_FUNC) event_kick);
signal_add("event invite", (SIGNAL_FUNC) event_invite);
signal_add("event 332", (SIGNAL_FUNC) event_topic_get);
signal_add_first("event 437", (SIGNAL_FUNC) event_target_unavailable); /* channel/nick unavailable */
}
void channel_events_deinit(void)
{
signal_remove("event 403", (SIGNAL_FUNC) event_cannot_join); /* no such channel */
signal_remove("event 405", (SIGNAL_FUNC) event_cannot_join); /* too many channels */
signal_remove("event 407", (SIGNAL_FUNC) event_cannot_join); /* duplicate channel */
signal_remove("event 471", (SIGNAL_FUNC) event_cannot_join); /* channel is full */
signal_remove("event 473", (SIGNAL_FUNC) event_cannot_join); /* invite only */
signal_remove("event 474", (SIGNAL_FUNC) event_cannot_join); /* banned */
signal_remove("event 475", (SIGNAL_FUNC) event_cannot_join); /* bad channel key */
signal_remove("event 476", (SIGNAL_FUNC) event_cannot_join); /* bad channel mask */
signal_remove("event topic", (SIGNAL_FUNC) event_topic);
signal_remove("event join", (SIGNAL_FUNC) event_join);
signal_remove("event part", (SIGNAL_FUNC) event_part);
signal_remove("event kick", (SIGNAL_FUNC) event_kick);
signal_remove("event invite", (SIGNAL_FUNC) event_invite);
signal_remove("event 332", (SIGNAL_FUNC) event_topic_get);
signal_remove("event 437", (SIGNAL_FUNC) event_target_unavailable); /* channel/nick unavailable */
}
|
