1 /********************************************************************\
2 * BitlBee -- An IRC to other IM-networks gateway *
3 * *
4 * Copyright 2002-2012 Wilmer van der Gaast and others *
5 \********************************************************************/
6
7 /* Stuff to handle, save and search IRC buddies */
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 #include "bitlbee.h"
27 #include "ipc.h"
28
irc_user_new(irc_t * irc,const char * nick)29 irc_user_t *irc_user_new(irc_t *irc, const char *nick)
30 {
31 irc_user_t *iu = g_new0(irc_user_t, 1);
32
33 iu->irc = irc;
34 iu->nick = g_strdup(nick);
35 iu->user = iu->host = iu->fullname = iu->nick;
36
37 iu->key = g_strdup(nick);
38 nick_lc(irc, iu->key);
39 g_hash_table_insert(irc->nick_user_hash, iu->key, iu);
40
41 return iu;
42 }
43
irc_user_free(irc_t * irc,irc_user_t * iu)44 int irc_user_free(irc_t *irc, irc_user_t *iu)
45 {
46 static struct im_connection *last_ic;
47 static char *msg;
48
49 if (!iu) {
50 return 0;
51 }
52
53 if (iu->bu &&
54 (iu->bu->ic->flags & OPT_LOGGING_OUT) &&
55 iu->bu->ic != last_ic) {
56 char host_prefix[] = "bitlbee.";
57 char *s;
58
59 /* Irssi recognises netsplits by quitmsgs with two
60 hostnames, where a hostname is a "word" with one
61 of more dots. Mangle no-dot hostnames a bit. */
62 if (strchr(irc->root->host, '.')) {
63 *host_prefix = '\0';
64 }
65
66 last_ic = iu->bu->ic;
67 g_free(msg);
68 if (!set_getbool(&irc->b->set, "simulate_netsplit")) {
69 msg = g_strdup("Account off-line");
70 } else if ((s = strchr(iu->bu->ic->acc->user, '@'))) {
71 msg = g_strdup_printf("%s%s %s", host_prefix,
72 irc->root->host, s + 1);
73 } else {
74 msg = g_strdup_printf("%s%s %s.%s",
75 host_prefix, irc->root->host,
76 iu->bu->ic->acc->prpl->name, irc->root->host);
77 }
78 } else if (!iu->bu || !(iu->bu->ic->flags & OPT_LOGGING_OUT)) {
79 g_free(msg);
80 msg = g_strdup("Removed");
81 last_ic = NULL;
82 }
83 irc_user_quit(iu, msg);
84
85 g_hash_table_remove(irc->nick_user_hash, iu->key);
86
87 g_free(iu->nick);
88 if (iu->nick != iu->user) {
89 g_free(iu->user);
90 }
91 if (iu->nick != iu->host) {
92 g_free(iu->host);
93 }
94 if (iu->nick != iu->fullname) {
95 g_free(iu->fullname);
96 }
97 g_free(iu->pastebuf);
98 if (iu->pastebuf_timer) {
99 b_event_remove(iu->pastebuf_timer);
100 }
101 g_free(iu->key);
102 g_free(iu);
103
104 return 1;
105 }
106
irc_user_by_name(irc_t * irc,const char * nick)107 irc_user_t *irc_user_by_name(irc_t *irc, const char *nick)
108 {
109 char key[strlen(nick) + 1];
110
111 strcpy(key, nick);
112 if (nick_lc(irc, key)) {
113 return g_hash_table_lookup(irc->nick_user_hash, key);
114 } else {
115 return NULL;
116 }
117 }
118
irc_user_set_nick(irc_user_t * iu,const char * new)119 int irc_user_set_nick(irc_user_t *iu, const char *new)
120 {
121 irc_t *irc = iu->irc;
122 irc_user_t *new_iu;
123 char key[strlen(new) + 1];
124 GSList *cl;
125
126 strcpy(key, new);
127 if (iu == NULL || !nick_lc(irc, key) ||
128 ((new_iu = irc_user_by_name(irc, new)) && new_iu != iu)) {
129 return 0;
130 }
131
132 for (cl = irc->channels; cl; cl = cl->next) {
133 irc_channel_t *ic = cl->data;
134
135 /* Send a NICK update if we're renaming our user, or someone
136 who's in the same channel like our user. */
137 if (iu == irc->user ||
138 ((ic->flags & IRC_CHANNEL_JOINED) &&
139 irc_channel_has_user(ic, iu))) {
140 irc_send_nick(iu, new);
141 break;
142 }
143 }
144
145 g_hash_table_remove(irc->nick_user_hash, iu->key);
146
147 if (iu->nick == iu->user) {
148 iu->user = NULL;
149 }
150 if (iu->nick == iu->host) {
151 iu->host = NULL;
152 }
153 if (iu->nick == iu->fullname) {
154 iu->fullname = NULL;
155 }
156 g_free(iu->nick);
157 iu->nick = g_strdup(new);
158 if (iu->user == NULL) {
159 iu->user = g_strdup(iu->nick);
160 }
161 if (iu->host == NULL) {
162 iu->host = g_strdup(iu->nick);
163 }
164 if (iu->fullname == NULL) {
165 iu->fullname = g_strdup(iu->nick);
166 }
167
168 g_free(iu->key);
169 iu->key = g_strdup(key);
170 g_hash_table_insert(irc->nick_user_hash, iu->key, iu);
171
172 if (iu == irc->user) {
173 ipc_to_master_str("NICK :%s\r\n", new);
174 }
175
176 return 1;
177 }
178
irc_user_cmp(gconstpointer a_,gconstpointer b_)179 gint irc_user_cmp(gconstpointer a_, gconstpointer b_)
180 {
181 const irc_user_t *a = a_, *b = b_;
182
183 return strcmp(a->key, b->key);
184 }
185
irc_user_get_away(irc_user_t * iu)186 const char *irc_user_get_away(irc_user_t *iu)
187 {
188 irc_t *irc = iu->irc;
189 bee_user_t *bu = iu->bu;
190
191 if (iu == irc->user) {
192 return set_getstr(&irc->b->set, "away");
193 } else if (bu) {
194 if (!bu->flags & BEE_USER_ONLINE) {
195 return "Offline";
196 } else if (bu->flags & BEE_USER_AWAY) {
197 if (bu->status_msg) {
198 static char ret[MAX_STRING];
199 g_snprintf(ret, MAX_STRING - 1, "%s (%s)",
200 bu->status ? : "Away", bu->status_msg);
201 return ret;
202 } else {
203 return bu->status ? : "Away";
204 }
205 }
206 }
207
208 return NULL;
209 }
210
irc_user_quit(irc_user_t * iu,const char * msg)211 void irc_user_quit(irc_user_t *iu, const char *msg)
212 {
213 GSList *l;
214 gboolean send_quit = FALSE;
215
216 if (!iu) {
217 return;
218 }
219
220 for (l = iu->irc->channels; l; l = l->next) {
221 irc_channel_t *ic = l->data;
222 send_quit |= irc_channel_del_user(ic, iu, IRC_CDU_SILENT, NULL) &&
223 (ic->flags & IRC_CHANNEL_JOINED);
224 }
225
226 if (send_quit) {
227 irc_send_quit(iu, msg);
228 }
229 }
230
231 /* User-type dependent functions, for root/NickServ: */
root_privmsg(irc_user_t * iu,const char * msg)232 static gboolean root_privmsg(irc_user_t *iu, const char *msg)
233 {
234 char cmd[strlen(msg) + 1];
235
236 strcpy(cmd, msg);
237 root_command_string(iu->irc, cmd);
238
239 return TRUE;
240 }
241
root_ctcp(irc_user_t * iu,char * const * ctcp)242 static gboolean root_ctcp(irc_user_t *iu, char * const *ctcp)
243 {
244 if (g_strcasecmp(ctcp[0], "VERSION") == 0) {
245 irc_send_msg_f(iu, "NOTICE", iu->irc->user->nick, "\001%s %s\001",
246 ctcp[0], PACKAGE " " BITLBEE_VERSION);
247 } else if (g_strcasecmp(ctcp[0], "PING") == 0) {
248 irc_send_msg_f(iu, "NOTICE", iu->irc->user->nick, "\001%s %s\001",
249 ctcp[0], ctcp[1] ? : "");
250 }
251
252 return TRUE;
253 }
254
255 const struct irc_user_funcs irc_user_root_funcs = {
256 root_privmsg,
257 root_ctcp,
258 };
259
260 /* Echo to yourself: */
self_privmsg(irc_user_t * iu,const char * msg)261 static gboolean self_privmsg(irc_user_t *iu, const char *msg)
262 {
263 irc_send_msg(iu, "PRIVMSG", iu->nick, msg, NULL);
264
265 return TRUE;
266 }
267
268 const struct irc_user_funcs irc_user_self_funcs = {
269 self_privmsg,
270 };
271