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5f8fb56d AW |
1 | /* modules/m_monitor.c |
2 | * | |
3 | * Copyright (C) 2005 Lee Hardy <lee@leeh.co.uk> | |
4 | * Copyright (C) 2005 ircd-ratbox development team | |
5 | * | |
6 | * Redistribution and use in source and binary forms, with or without | |
7 | * modification, are permitted provided that the following conditions are | |
8 | * met: | |
9 | * | |
10 | * 1.Redistributions of source code must retain the above copyright notice, | |
11 | * this list of conditions and the following disclaimer. | |
12 | * 2.Redistributions in binary form must reproduce the above copyright | |
13 | * notice, this list of conditions and the following disclaimer in the | |
14 | * documentation and/or other materials provided with the distribution. | |
15 | * 3.The name of the author may not be used to endorse or promote products | |
16 | * derived from this software without specific prior written permission. | |
17 | * | |
18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |
19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
20 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
21 | * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, | |
22 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
23 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
24 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
25 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
26 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | |
27 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
28 | * POSSIBILITY OF SUCH DAMAGE. | |
5f8fb56d AW |
29 | */ |
30 | ||
31 | #include "stdinc.h" | |
32 | #include "client.h" | |
33 | #include "msg.h" | |
34 | #include "parse.h" | |
35 | #include "modules.h" | |
36 | #include "monitor.h" | |
37 | #include "numeric.h" | |
38 | #include "s_conf.h" | |
39 | #include "send.h" | |
439bf4db | 40 | #include "supported.h" |
5f8fb56d | 41 | |
eeabf33a EM |
42 | static const char monitor_desc[] = "Provides the MONITOR facility for tracking user signon and signoff"; |
43 | ||
439bf4db JT |
44 | static int monitor_init(void); |
45 | static void monitor_deinit(void); | |
3c7d6fcc | 46 | static void m_monitor(struct MsgBuf *, struct Client *, struct Client *, int, const char **); |
5f8fb56d AW |
47 | |
48 | struct Message monitor_msgtab = { | |
7baa37a9 | 49 | "MONITOR", 0, 0, 0, 0, |
5f8fb56d AW |
50 | {mg_unreg, {m_monitor, 2}, mg_ignore, mg_ignore, mg_ignore, {m_monitor, 2}} |
51 | }; | |
52 | ||
53 | mapi_clist_av1 monitor_clist[] = { &monitor_msgtab, NULL }; | |
f5ebe640 | 54 | |
f5ebe640 | 55 | DECLARE_MODULE_AV2(monitor, monitor_init, monitor_deinit, monitor_clist, NULL, NULL, NULL, NULL, monitor_desc); |
439bf4db JT |
56 | |
57 | static int monitor_init(void) | |
58 | { | |
59 | add_isupport("MONITOR", isupport_intptr, &ConfigFileEntry.max_monitor); | |
60 | return 0; | |
61 | } | |
62 | ||
63 | static void monitor_deinit(void) | |
64 | { | |
65 | delete_isupport("MONITOR"); | |
66 | } | |
5f8fb56d AW |
67 | |
68 | static void | |
69 | add_monitor(struct Client *client_p, const char *nicks) | |
70 | { | |
71 | char onbuf[BUFSIZE], offbuf[BUFSIZE]; | |
72 | struct Client *target_p; | |
73 | struct monitor *monptr; | |
74 | const char *name; | |
75 | char *tmp; | |
76 | char *p; | |
77 | char *onptr, *offptr; | |
78 | int mlen, arglen; | |
79 | int cur_onlen, cur_offlen; | |
80 | ||
81 | /* these two are same length, just diff numeric */ | |
82 | cur_offlen = cur_onlen = mlen = sprintf(onbuf, form_str(RPL_MONONLINE), | |
83 | me.name, client_p->name, ""); | |
84 | sprintf(offbuf, form_str(RPL_MONOFFLINE), | |
85 | me.name, client_p->name, ""); | |
86 | ||
87 | onptr = onbuf + mlen; | |
88 | offptr = offbuf + mlen; | |
89 | ||
90 | tmp = LOCAL_COPY(nicks); | |
91 | ||
92 | for(name = rb_strtok_r(tmp, ",", &p); name; name = rb_strtok_r(NULL, ",", &p)) | |
93 | { | |
94 | if(EmptyString(name) || strlen(name) > NICKLEN-1) | |
95 | continue; | |
96 | ||
97 | if(rb_dlink_list_length(&client_p->localClient->monitor_list) >= | |
98 | (unsigned long)ConfigFileEntry.max_monitor) | |
99 | { | |
100 | char buf[100]; | |
101 | ||
102 | if(cur_onlen != mlen) | |
103 | sendto_one(client_p, "%s", onbuf); | |
104 | if(cur_offlen != mlen) | |
105 | sendto_one(client_p, "%s", offbuf); | |
106 | ||
107 | if(p) | |
5203cba5 | 108 | snprintf(buf, sizeof(buf), "%s,%s", name, p); |
5f8fb56d | 109 | else |
5203cba5 | 110 | snprintf(buf, sizeof(buf), "%s", name); |
5f8fb56d AW |
111 | |
112 | sendto_one(client_p, form_str(ERR_MONLISTFULL), | |
113 | me.name, client_p->name, | |
114 | ConfigFileEntry.max_monitor, buf); | |
115 | return; | |
116 | } | |
117 | ||
2d28539c | 118 | if (!clean_nick(name, 0)) |
413c61aa AC |
119 | continue; |
120 | ||
5f8fb56d AW |
121 | monptr = find_monitor(name, 1); |
122 | ||
123 | /* already monitoring this nick */ | |
124 | if(rb_dlinkFind(client_p, &monptr->users)) | |
125 | continue; | |
126 | ||
127 | rb_dlinkAddAlloc(client_p, &monptr->users); | |
128 | rb_dlinkAddAlloc(monptr, &client_p->localClient->monitor_list); | |
129 | ||
130 | if((target_p = find_named_person(name)) != NULL) | |
131 | { | |
132 | if(cur_onlen + strlen(target_p->name) + | |
133 | strlen(target_p->username) + strlen(target_p->host) + 3 >= BUFSIZE-3) | |
134 | { | |
135 | sendto_one(client_p, "%s", onbuf); | |
136 | cur_onlen = mlen; | |
137 | onptr = onbuf + mlen; | |
138 | } | |
139 | ||
140 | if(cur_onlen != mlen) | |
141 | { | |
142 | *onptr++ = ','; | |
143 | cur_onlen++; | |
144 | } | |
145 | ||
146 | arglen = sprintf(onptr, "%s!%s@%s", | |
147 | target_p->name, target_p->username, | |
148 | target_p->host); | |
149 | onptr += arglen; | |
150 | cur_onlen += arglen; | |
151 | } | |
152 | else | |
153 | { | |
154 | if(cur_offlen + strlen(name) + 1 >= BUFSIZE-3) | |
155 | { | |
156 | sendto_one(client_p, "%s", offbuf); | |
157 | cur_offlen = mlen; | |
158 | offptr = offbuf + mlen; | |
159 | } | |
160 | ||
161 | if(cur_offlen != mlen) | |
162 | { | |
163 | *offptr++ = ','; | |
164 | cur_offlen++; | |
165 | } | |
166 | ||
167 | arglen = sprintf(offptr, "%s", name); | |
168 | offptr += arglen; | |
169 | cur_offlen += arglen; | |
170 | } | |
171 | } | |
172 | ||
173 | if(cur_onlen != mlen) | |
174 | sendto_one(client_p, "%s", onbuf); | |
175 | if(cur_offlen != mlen) | |
176 | sendto_one(client_p, "%s", offbuf); | |
177 | } | |
178 | ||
179 | static void | |
180 | del_monitor(struct Client *client_p, const char *nicks) | |
181 | { | |
182 | struct monitor *monptr; | |
183 | const char *name; | |
184 | char *tmp; | |
185 | char *p; | |
186 | ||
187 | if(!rb_dlink_list_length(&client_p->localClient->monitor_list)) | |
188 | return; | |
189 | ||
190 | tmp = LOCAL_COPY(nicks); | |
191 | ||
192 | for(name = rb_strtok_r(tmp, ",", &p); name; name = rb_strtok_r(NULL, ",", &p)) | |
193 | { | |
194 | if(EmptyString(name)) | |
195 | continue; | |
196 | ||
197 | /* not monitored */ | |
198 | if((monptr = find_monitor(name, 0)) == NULL) | |
199 | continue; | |
200 | ||
201 | rb_dlinkFindDestroy(client_p, &monptr->users); | |
202 | rb_dlinkFindDestroy(monptr, &client_p->localClient->monitor_list); | |
203 | ||
204 | free_monitor(monptr); | |
205 | } | |
206 | } | |
207 | ||
208 | static void | |
209 | list_monitor(struct Client *client_p) | |
210 | { | |
211 | char buf[BUFSIZE]; | |
212 | struct monitor *monptr; | |
213 | char *nbuf; | |
214 | rb_dlink_node *ptr; | |
215 | int mlen, arglen, cur_len; | |
216 | ||
217 | if(!rb_dlink_list_length(&client_p->localClient->monitor_list)) | |
218 | { | |
219 | sendto_one(client_p, form_str(RPL_ENDOFMONLIST), | |
220 | me.name, client_p->name); | |
221 | return; | |
222 | } | |
223 | ||
224 | cur_len = mlen = sprintf(buf, form_str(RPL_MONLIST), | |
225 | me.name, client_p->name, ""); | |
226 | nbuf = buf + mlen; | |
227 | ||
228 | RB_DLINK_FOREACH(ptr, client_p->localClient->monitor_list.head) | |
229 | { | |
230 | monptr = ptr->data; | |
231 | ||
232 | if(cur_len + strlen(monptr->name) + 1 >= BUFSIZE-3) | |
233 | { | |
234 | sendto_one(client_p, "%s", buf); | |
235 | nbuf = buf + mlen; | |
236 | cur_len = mlen; | |
237 | } | |
238 | ||
239 | if(cur_len != mlen) | |
240 | { | |
241 | *nbuf++ = ','; | |
242 | cur_len++; | |
243 | } | |
244 | ||
245 | arglen = sprintf(nbuf, "%s", monptr->name); | |
246 | cur_len += arglen; | |
247 | nbuf += arglen; | |
248 | } | |
249 | ||
250 | sendto_one(client_p, "%s", buf); | |
251 | sendto_one(client_p, form_str(RPL_ENDOFMONLIST), | |
252 | me.name, client_p->name); | |
253 | } | |
254 | ||
255 | static void | |
256 | show_monitor_status(struct Client *client_p) | |
257 | { | |
258 | char onbuf[BUFSIZE], offbuf[BUFSIZE]; | |
259 | struct Client *target_p; | |
260 | struct monitor *monptr; | |
261 | char *onptr, *offptr; | |
262 | int cur_onlen, cur_offlen; | |
263 | int mlen, arglen; | |
264 | rb_dlink_node *ptr; | |
265 | ||
266 | mlen = cur_onlen = sprintf(onbuf, form_str(RPL_MONONLINE), | |
267 | me.name, client_p->name, ""); | |
268 | cur_offlen = sprintf(offbuf, form_str(RPL_MONOFFLINE), | |
269 | me.name, client_p->name, ""); | |
270 | ||
271 | onptr = onbuf + mlen; | |
272 | offptr = offbuf + mlen; | |
273 | ||
274 | RB_DLINK_FOREACH(ptr, client_p->localClient->monitor_list.head) | |
275 | { | |
276 | monptr = ptr->data; | |
277 | ||
278 | if((target_p = find_named_person(monptr->name)) != NULL) | |
279 | { | |
280 | if(cur_onlen + strlen(target_p->name) + | |
281 | strlen(target_p->username) + strlen(target_p->host) + 3 >= BUFSIZE-3) | |
282 | { | |
283 | sendto_one(client_p, "%s", onbuf); | |
284 | cur_onlen = mlen; | |
285 | onptr = onbuf + mlen; | |
286 | } | |
287 | ||
288 | if(cur_onlen != mlen) | |
289 | { | |
290 | *onptr++ = ','; | |
291 | cur_onlen++; | |
292 | } | |
293 | ||
294 | arglen = sprintf(onptr, "%s!%s@%s", | |
295 | target_p->name, target_p->username, | |
296 | target_p->host); | |
297 | onptr += arglen; | |
298 | cur_onlen += arglen; | |
299 | } | |
300 | else | |
301 | { | |
302 | if(cur_offlen + strlen(monptr->name) + 1 >= BUFSIZE-3) | |
303 | { | |
304 | sendto_one(client_p, "%s", offbuf); | |
305 | cur_offlen = mlen; | |
306 | offptr = offbuf + mlen; | |
307 | } | |
308 | ||
309 | if(cur_offlen != mlen) | |
310 | { | |
311 | *offptr++ = ','; | |
312 | cur_offlen++; | |
313 | } | |
314 | ||
315 | arglen = sprintf(offptr, "%s", monptr->name); | |
316 | offptr += arglen; | |
317 | cur_offlen += arglen; | |
318 | } | |
319 | } | |
320 | ||
321 | if(cur_onlen != mlen) | |
322 | sendto_one(client_p, "%s", onbuf); | |
323 | if(cur_offlen != mlen) | |
324 | sendto_one(client_p, "%s", offbuf); | |
325 | } | |
326 | ||
3c7d6fcc | 327 | static void |
428ca87b | 328 | m_monitor(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
5f8fb56d AW |
329 | { |
330 | switch(parv[1][0]) | |
331 | { | |
332 | case '+': | |
333 | if(parc < 3 || EmptyString(parv[2])) | |
334 | { | |
335 | sendto_one(client_p, form_str(ERR_NEEDMOREPARAMS), | |
336 | me.name, source_p->name, "MONITOR"); | |
3c7d6fcc | 337 | return; |
5f8fb56d AW |
338 | } |
339 | ||
340 | add_monitor(source_p, parv[2]); | |
341 | break; | |
342 | case '-': | |
343 | if(parc < 3 || EmptyString(parv[2])) | |
344 | { | |
345 | sendto_one(client_p, form_str(ERR_NEEDMOREPARAMS), | |
346 | me.name, source_p->name, "MONITOR"); | |
3c7d6fcc | 347 | return; |
5f8fb56d AW |
348 | } |
349 | ||
350 | del_monitor(source_p, parv[2]); | |
351 | break; | |
352 | ||
353 | case 'C': | |
354 | case 'c': | |
355 | clear_monitor(source_p); | |
356 | break; | |
357 | ||
358 | case 'L': | |
359 | case 'l': | |
360 | list_monitor(source_p); | |
361 | break; | |
362 | ||
363 | case 'S': | |
364 | case 's': | |
365 | show_monitor_status(source_p); | |
366 | break; | |
367 | ||
368 | default: | |
369 | break; | |
370 | } | |
5f8fb56d | 371 | } |