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1 | /* mod-snoop.c - User surveillance module (per pomac's spec) | |
2 | * Copyright 2002-2004 srvx Development Team | |
3 | * | |
4 | * This file is part of x3. | |
5 | * | |
6 | * x3 is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with srvx; if not, write to the Free Software Foundation, | |
18 | * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. | |
19 | */ | |
20 | ||
21 | /* Adds new section to srvx.conf: | |
22 | * "modules" { | |
23 | * "snoop" { | |
24 | * // Where to send snoop messages? | |
25 | * "channel" "#wherever"; | |
26 | * // Which bot? | |
27 | * "bot" "OpServ"; | |
28 | * // Show new users and joins from net joins? (off by default) | |
29 | * "show_bursts" "0"; | |
30 | * }; | |
31 | * }; | |
32 | */ | |
33 | ||
34 | #include "conf.h" | |
35 | #include "helpfile.h" | |
36 | #include "nickserv.h" | |
37 | ||
38 | #ifdef HAVE_NETINET_IN_H | |
39 | #include <netinet/in.h> | |
40 | #endif | |
41 | #ifdef HAVE_ARPA_INET_H | |
42 | #include <arpa/inet.h> | |
43 | #endif | |
44 | ||
45 | extern time_t now; | |
46 | static struct { | |
47 | struct chanNode *channel; | |
48 | struct userNode *bot; | |
49 | unsigned int show_bursts : 1; | |
50 | unsigned int enabled : 1; | |
51 | } snoop_cfg; | |
52 | static char timestamp[16]; | |
53 | const char *snoop_module_deps[] = { NULL }; | |
54 | ||
55 | static int finalized; | |
56 | int snoop_finalize(void); | |
57 | ||
58 | #define SNOOP(FORMAT, ARGS...) send_channel_message(snoop_cfg.channel, snoop_cfg.bot, "%s "FORMAT, timestamp , ## ARGS) | |
59 | #define UPDATE_TIMESTAMP() strftime(timestamp, sizeof(timestamp), "[%H:%M:%S]", localtime(&now)) | |
60 | ||
61 | static void | |
62 | snoop_nick_change(struct userNode *user, const char *old_nick) { | |
63 | if (!snoop_cfg.enabled) return; | |
64 | UPDATE_TIMESTAMP(); | |
65 | SNOOP("$bNICK$b change %s -> %s", old_nick, user->nick); | |
66 | } | |
67 | ||
68 | static int | |
69 | snoop_join(struct modeNode *mNode) { | |
70 | struct userNode *user = mNode->user; | |
71 | struct chanNode *chan = mNode->channel; | |
72 | if (!snoop_cfg.enabled) return 0; | |
73 | if (user->uplink->burst && !snoop_cfg.show_bursts) return 0; | |
74 | UPDATE_TIMESTAMP(); | |
75 | if (chan->members.used == 1) { | |
76 | SNOOP("$bCREATE$b %s by %s", chan->name, user->nick); | |
77 | } else { | |
78 | SNOOP("$bJOIN$b %s by %s", chan->name, user->nick); | |
79 | } | |
80 | return 0; | |
81 | } | |
82 | ||
83 | static void | |
84 | snoop_part(struct modeNode *mn, const char *reason) { | |
85 | if (!snoop_cfg.enabled) return; | |
86 | if (mn->user->dead) return; | |
87 | UPDATE_TIMESTAMP(); | |
88 | SNOOP("$bPART$b %s by %s (%s)", mn->channel->name, mn->user->nick, reason ? reason : ""); | |
89 | } | |
90 | ||
91 | static void | |
92 | snoop_kick(struct userNode *kicker, struct userNode *victim, struct chanNode *chan) { | |
93 | if (!snoop_cfg.enabled) return; | |
94 | UPDATE_TIMESTAMP(); | |
95 | SNOOP("$bKICK$b %s from %s by %s", victim->nick, chan->name, (kicker ? kicker->nick : "some server")); | |
96 | } | |
97 | ||
98 | static int | |
99 | snoop_new_user(struct userNode *user) { | |
100 | if (!snoop_cfg.enabled) return 0; | |
101 | if (user->uplink->burst && !snoop_cfg.show_bursts) return 0; | |
102 | UPDATE_TIMESTAMP(); | |
103 | SNOOP("$bNICK$b %s %s@%s (%s) [%s] on %s", user->nick, user->ident, user->hostname, user->handle_info?user->handle_info->handle:"", irc_ntoa(&user->ip), user->uplink->name); | |
104 | return 0; | |
105 | } | |
106 | ||
107 | static void | |
108 | snoop_del_user(struct userNode *user, struct userNode *killer, const char *why) { | |
109 | if (!snoop_cfg.enabled) return; | |
110 | UPDATE_TIMESTAMP(); | |
111 | if (killer) { | |
112 | SNOOP("$bKILL$b %s (%s@%s, on %s) by %s (%s)", user->nick, user->ident, user->hostname, user->uplink->name, killer->nick, why); | |
113 | } else { | |
114 | SNOOP("$bQUIT$b %s (%s@%s, on %s) (%s)", user->nick, user->ident, user->hostname, user->uplink->name, why); | |
115 | } | |
116 | } | |
117 | ||
118 | static void | |
119 | snoop_auth(struct userNode *user, UNUSED_ARG(struct handle_info *old_handle)) { | |
120 | if (!snoop_cfg.enabled) return; | |
121 | if (user->uplink->burst && !snoop_cfg.show_bursts) return; | |
122 | if (user->handle_info) { | |
123 | UPDATE_TIMESTAMP(); | |
124 | /* TODO: show old_handle info -> new handle info if they | |
125 | * re-authed or something. | |
126 | */ | |
127 | SNOOP("$bAUTH$b %s as %s", user->nick, user->handle_info->handle); | |
128 | } | |
129 | } | |
130 | ||
131 | static void | |
132 | snoop_user_mode(struct userNode *user, const char *mode_change) { | |
133 | if (!snoop_cfg.enabled) return; | |
134 | if (user->uplink->burst && !snoop_cfg.show_bursts) return; | |
135 | if (!mode_change[1]) return; /* warning there has to be atleast one char in the buffer */ | |
136 | UPDATE_TIMESTAMP(); | |
137 | SNOOP("$bUMODE$b %s %s", user->nick, mode_change); | |
138 | } | |
139 | ||
140 | static void | |
141 | snoop_oper(struct userNode *user) { | |
142 | if (!snoop_cfg.enabled) return; | |
143 | if (user->uplink->burst && !snoop_cfg.show_bursts) return; | |
144 | UPDATE_TIMESTAMP(); | |
145 | SNOOP("$bOPER$b %s!%s@%s [%s] on %s", user->nick, user->ident, user->hostname, irc_ntoa(&user->ip), user->uplink->name); | |
146 | } | |
147 | ||
148 | static void | |
149 | snoop_channel_mode(struct userNode *who, struct chanNode *channel, char **modes, unsigned int argc) | |
150 | { | |
151 | if (!snoop_cfg.enabled) return; | |
152 | if(who) { | |
153 | if (who->uplink->burst && !snoop_cfg.show_bursts) { | |
154 | return; | |
155 | } | |
156 | } else { | |
157 | return; /* Dont show X3 etc modes */ | |
158 | } | |
159 | ||
160 | static char targets[MAXLEN], string[MAXLEN]; | |
161 | struct userNode *un = NULL; | |
162 | char *tmp = NULL, *tg = NULL, *md = NULL; | |
163 | int add = 0; | |
164 | ||
165 | string[0] = 0; | |
166 | targets[0] = 0; | |
167 | ||
168 | if (argc > 0) | |
169 | unsplit_string(modes, argc, string); | |
170 | else | |
171 | strcpy(string, *modes); | |
172 | ||
173 | if((tg = strchr(string, ' '))) | |
174 | { | |
175 | *tg++ = 0; | |
176 | for(md = string; *md; md++) | |
177 | { | |
178 | if (*md == '+') | |
179 | { | |
180 | add = 1; | |
181 | md++; | |
182 | } | |
183 | if (*md == '-') | |
184 | { | |
185 | add = 0; | |
186 | md++; | |
187 | } | |
188 | switch(*md) | |
189 | { | |
190 | case 'k': | |
191 | { | |
192 | strcat(targets, " "); | |
193 | if ((tmp = strchr(tg, ' '))) | |
194 | *tmp++ = 0; | |
195 | strcat(targets, tg); | |
196 | if(tmp) | |
197 | tg = tmp; | |
198 | break; | |
199 | } | |
200 | case 'l': | |
201 | { | |
202 | if(add) | |
203 | { | |
204 | strcat(targets, " "); | |
205 | if ((tmp = strchr(tg, ' '))) | |
206 | *tmp++ = 0; | |
207 | strcat(targets, tg); | |
208 | if(tmp) | |
209 | tg = tmp; | |
210 | break; | |
211 | } | |
212 | } | |
213 | case 'b': | |
214 | { | |
215 | strcat(targets, " "); | |
216 | if ((tmp = strchr(tg, ' '))) | |
217 | *tmp++ = 0; | |
218 | strcat(targets, tg); | |
219 | if(tmp) | |
220 | tg = tmp; | |
221 | break; | |
222 | } | |
223 | case 'e': | |
224 | { | |
225 | strcat(targets, " "); | |
226 | if ((tmp = strchr(tg, ' '))) | |
227 | *tmp++ = 0; | |
228 | strcat(targets, tg); | |
229 | if(tmp) | |
230 | tg = tmp; | |
231 | break; | |
232 | } | |
233 | case 'o': | |
234 | { | |
235 | strcat(targets, " "); | |
236 | if ((tmp = strchr(tg, ' '))) | |
237 | *tmp++ = 0; | |
238 | if((un = GetUserN(tg))) | |
239 | strcat(targets, un->nick); | |
240 | else | |
241 | strcat(targets, tg); | |
242 | if(tmp) | |
243 | tg = tmp; | |
244 | break; | |
245 | } | |
246 | case 'v': | |
247 | { | |
248 | strcat(targets, " "); | |
249 | if ((tmp = strchr(tg, ' '))) | |
250 | *tmp++ = 0; | |
251 | if((un = GetUserN(tg))) | |
252 | strcat(targets, un->nick); | |
253 | else | |
254 | strcat(targets, tg); | |
255 | if(tmp) | |
256 | tg = tmp; | |
257 | break; | |
258 | } | |
259 | } | |
260 | } | |
261 | } | |
262 | UPDATE_TIMESTAMP(); | |
263 | if (who) | |
264 | SNOOP("$bMODE$b %s %s%s by %s", channel->name, string, targets, who->nick); | |
265 | else | |
266 | SNOOP("$bMODE$b %s %s%s", channel->name, string, targets); | |
267 | } | |
268 | ||
269 | static void | |
270 | snoop_conf_read(void) { | |
271 | dict_t node; | |
272 | char *str; | |
273 | ||
274 | node = conf_get_data("modules/snoop", RECDB_OBJECT); | |
275 | if (!node) | |
276 | return; | |
277 | str = database_get_data(node, "channel", RECDB_QSTRING); | |
278 | if (!str) | |
279 | return; | |
280 | snoop_cfg.channel = AddChannel(str, now, "+sntim", NULL, NULL); | |
281 | if (!snoop_cfg.channel) | |
282 | return; | |
283 | str = database_get_data(node, "show_bursts", RECDB_QSTRING); | |
284 | snoop_cfg.show_bursts = str ? enabled_string(str) : 0; | |
285 | snoop_cfg.enabled = 1; | |
286 | if (finalized) | |
287 | snoop_finalize(); | |
288 | } | |
289 | ||
290 | void | |
291 | snoop_cleanup(void) { | |
292 | snoop_cfg.enabled = 0; | |
293 | unreg_del_user_func(snoop_del_user); | |
294 | } | |
295 | ||
296 | int | |
297 | snoop_init(void) { | |
298 | reg_exit_func(snoop_cleanup); | |
299 | conf_register_reload(snoop_conf_read); | |
300 | reg_nick_change_func(snoop_nick_change); | |
301 | reg_join_func(snoop_join); | |
302 | reg_part_func(snoop_part); | |
303 | reg_kick_func(snoop_kick); | |
304 | reg_new_user_func(snoop_new_user); | |
305 | reg_del_user_func(snoop_del_user); | |
306 | reg_auth_func(snoop_auth); | |
307 | reg_channel_mode_func(snoop_channel_mode); | |
308 | reg_user_mode_func(snoop_user_mode); | |
309 | reg_oper_func(snoop_oper); | |
310 | ||
311 | return 1; | |
312 | } | |
313 | ||
314 | int | |
315 | snoop_finalize(void) { | |
316 | struct mod_chanmode change; | |
317 | dict_t node; | |
318 | char *str; | |
319 | ||
320 | finalized = 1; | |
321 | node = conf_get_data("modules/snoop", RECDB_OBJECT); | |
322 | if (!node) | |
323 | return 0; | |
324 | str = database_get_data(node, "bot", RECDB_QSTRING); | |
325 | if (!str) | |
326 | return 0; | |
327 | snoop_cfg.bot = GetUserH(str); | |
328 | if (!snoop_cfg.bot) | |
329 | return 0; | |
330 | mod_chanmode_init(&change); | |
331 | change.argc = 1; | |
332 | change.args[0].mode = MODE_CHANOP; | |
333 | change.args[0].u.member = AddChannelUser(snoop_cfg.bot, snoop_cfg.channel); | |
334 | mod_chanmode_announce(snoop_cfg.bot, snoop_cfg.channel, &change); | |
335 | return 1; | |
336 | } |