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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. | |
29 | * | |
30 | * $Id: m_monitor.c 312 2005-11-07 10:47:33Z jilles $ | |
31 | */ | |
32 | ||
33 | #include "stdinc.h" | |
34 | #include "client.h" | |
35 | #include "msg.h" | |
36 | #include "parse.h" | |
37 | #include "modules.h" | |
38 | #include "monitor.h" | |
39 | #include "numeric.h" | |
40 | #include "s_conf.h" | |
41 | #include "send.h" | |
42 | #include "supported.h" | |
43 | ||
44 | static int monitor_init(void); | |
45 | static void monitor_deinit(void); | |
46 | static int m_monitor(struct Client *, struct Client *, int, const char **); | |
47 | ||
48 | struct Message monitor_msgtab = { | |
49 | "MONITOR", 0, 0, 0, MFLG_SLOW, | |
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 }; | |
54 | DECLARE_MODULE_AV1(monitor, monitor_init, monitor_deinit, monitor_clist, NULL, NULL, "$Revision: 312 $"); | |
55 | ||
56 | static int monitor_init(void) | |
57 | { | |
58 | add_isupport("MONITOR", isupport_intptr, &ConfigFileEntry.max_monitor); | |
59 | return 0; | |
60 | } | |
61 | ||
62 | static void monitor_deinit(void) | |
63 | { | |
64 | delete_isupport("MONITOR"); | |
65 | } | |
66 | ||
67 | static void | |
68 | add_monitor(struct Client *client_p, const char *nicks) | |
69 | { | |
70 | char onbuf[BUFSIZE], offbuf[BUFSIZE]; | |
71 | struct Client *target_p; | |
72 | struct monitor *monptr; | |
73 | const char *name; | |
74 | char *tmp; | |
75 | char *p; | |
76 | char *onptr, *offptr; | |
77 | int mlen, arglen; | |
78 | int cur_onlen, cur_offlen; | |
79 | ||
80 | /* these two are same length, just diff numeric */ | |
81 | cur_offlen = cur_onlen = mlen = sprintf(onbuf, form_str(RPL_MONONLINE), | |
82 | me.name, client_p->name, ""); | |
83 | sprintf(offbuf, form_str(RPL_MONOFFLINE), | |
84 | me.name, client_p->name, ""); | |
85 | ||
86 | onptr = onbuf + mlen; | |
87 | offptr = offbuf + mlen; | |
88 | ||
89 | tmp = LOCAL_COPY(nicks); | |
90 | ||
91 | for(name = rb_strtok_r(tmp, ",", &p); name; name = rb_strtok_r(NULL, ",", &p)) | |
92 | { | |
93 | if(EmptyString(name) || strlen(name) > NICKLEN-1) | |
94 | continue; | |
95 | ||
96 | if(rb_dlink_list_length(&client_p->localClient->monitor_list) >= | |
97 | (unsigned long)ConfigFileEntry.max_monitor) | |
98 | { | |
99 | char buf[100]; | |
100 | ||
101 | if(cur_onlen != mlen) | |
102 | sendto_one(client_p, "%s", onbuf); | |
103 | if(cur_offlen != mlen) | |
104 | sendto_one(client_p, "%s", offbuf); | |
105 | ||
106 | if(p) | |
107 | rb_snprintf(buf, sizeof(buf), "%s,%s", name, p); | |
108 | else | |
109 | rb_snprintf(buf, sizeof(buf), "%s", name); | |
110 | ||
111 | sendto_one(client_p, form_str(ERR_MONLISTFULL), | |
112 | me.name, client_p->name, | |
113 | ConfigFileEntry.max_monitor, buf); | |
114 | return; | |
115 | } | |
116 | ||
117 | if (!clean_nick(name, 0)) | |
118 | continue; | |
119 | ||
120 | monptr = find_monitor(name, 1); | |
121 | ||
122 | /* already monitoring this nick */ | |
123 | if(rb_dlinkFind(client_p, &monptr->users)) | |
124 | continue; | |
125 | ||
126 | rb_dlinkAddAlloc(client_p, &monptr->users); | |
127 | rb_dlinkAddAlloc(monptr, &client_p->localClient->monitor_list); | |
128 | ||
129 | if((target_p = find_named_person(name)) != NULL) | |
130 | { | |
131 | if(cur_onlen + strlen(target_p->name) + | |
132 | strlen(target_p->username) + strlen(target_p->host) + 3 >= BUFSIZE-3) | |
133 | { | |
134 | sendto_one(client_p, "%s", onbuf); | |
135 | cur_onlen = mlen; | |
136 | onptr = onbuf + mlen; | |
137 | } | |
138 | ||
139 | if(cur_onlen != mlen) | |
140 | { | |
141 | *onptr++ = ','; | |
142 | cur_onlen++; | |
143 | } | |
144 | ||
145 | arglen = sprintf(onptr, "%s!%s@%s", | |
146 | target_p->name, target_p->username, | |
147 | target_p->host); | |
148 | onptr += arglen; | |
149 | cur_onlen += arglen; | |
150 | } | |
151 | else | |
152 | { | |
153 | if(cur_offlen + strlen(name) + 1 >= BUFSIZE-3) | |
154 | { | |
155 | sendto_one(client_p, "%s", offbuf); | |
156 | cur_offlen = mlen; | |
157 | offptr = offbuf + mlen; | |
158 | } | |
159 | ||
160 | if(cur_offlen != mlen) | |
161 | { | |
162 | *offptr++ = ','; | |
163 | cur_offlen++; | |
164 | } | |
165 | ||
166 | arglen = sprintf(offptr, "%s", name); | |
167 | offptr += arglen; | |
168 | cur_offlen += arglen; | |
169 | } | |
170 | } | |
171 | ||
172 | if(cur_onlen != mlen) | |
173 | sendto_one(client_p, "%s", onbuf); | |
174 | if(cur_offlen != mlen) | |
175 | sendto_one(client_p, "%s", offbuf); | |
176 | } | |
177 | ||
178 | static void | |
179 | del_monitor(struct Client *client_p, const char *nicks) | |
180 | { | |
181 | struct monitor *monptr; | |
182 | const char *name; | |
183 | char *tmp; | |
184 | char *p; | |
185 | ||
186 | if(!rb_dlink_list_length(&client_p->localClient->monitor_list)) | |
187 | return; | |
188 | ||
189 | tmp = LOCAL_COPY(nicks); | |
190 | ||
191 | for(name = rb_strtok_r(tmp, ",", &p); name; name = rb_strtok_r(NULL, ",", &p)) | |
192 | { | |
193 | if(EmptyString(name)) | |
194 | continue; | |
195 | ||
196 | /* not monitored */ | |
197 | if((monptr = find_monitor(name, 0)) == NULL) | |
198 | continue; | |
199 | ||
200 | rb_dlinkFindDestroy(client_p, &monptr->users); | |
201 | rb_dlinkFindDestroy(monptr, &client_p->localClient->monitor_list); | |
202 | ||
203 | free_monitor(monptr); | |
204 | } | |
205 | } | |
206 | ||
207 | static void | |
208 | list_monitor(struct Client *client_p) | |
209 | { | |
210 | char buf[BUFSIZE]; | |
211 | struct monitor *monptr; | |
212 | char *nbuf; | |
213 | rb_dlink_node *ptr; | |
214 | int mlen, arglen, cur_len; | |
215 | ||
216 | if(!rb_dlink_list_length(&client_p->localClient->monitor_list)) | |
217 | { | |
218 | sendto_one(client_p, form_str(RPL_ENDOFMONLIST), | |
219 | me.name, client_p->name); | |
220 | return; | |
221 | } | |
222 | ||
223 | cur_len = mlen = sprintf(buf, form_str(RPL_MONLIST), | |
224 | me.name, client_p->name, ""); | |
225 | nbuf = buf + mlen; | |
226 | ||
227 | RB_DLINK_FOREACH(ptr, client_p->localClient->monitor_list.head) | |
228 | { | |
229 | monptr = ptr->data; | |
230 | ||
231 | if(cur_len + strlen(monptr->name) + 1 >= BUFSIZE-3) | |
232 | { | |
233 | sendto_one(client_p, "%s", buf); | |
234 | nbuf = buf + mlen; | |
235 | cur_len = mlen; | |
236 | } | |
237 | ||
238 | if(cur_len != mlen) | |
239 | { | |
240 | *nbuf++ = ','; | |
241 | cur_len++; | |
242 | } | |
243 | ||
244 | arglen = sprintf(nbuf, "%s", monptr->name); | |
245 | cur_len += arglen; | |
246 | nbuf += arglen; | |
247 | } | |
248 | ||
249 | sendto_one(client_p, "%s", buf); | |
250 | sendto_one(client_p, form_str(RPL_ENDOFMONLIST), | |
251 | me.name, client_p->name); | |
252 | } | |
253 | ||
254 | static void | |
255 | show_monitor_status(struct Client *client_p) | |
256 | { | |
257 | char onbuf[BUFSIZE], offbuf[BUFSIZE]; | |
258 | struct Client *target_p; | |
259 | struct monitor *monptr; | |
260 | char *onptr, *offptr; | |
261 | int cur_onlen, cur_offlen; | |
262 | int mlen, arglen; | |
263 | rb_dlink_node *ptr; | |
264 | ||
265 | mlen = cur_onlen = sprintf(onbuf, form_str(RPL_MONONLINE), | |
266 | me.name, client_p->name, ""); | |
267 | cur_offlen = sprintf(offbuf, form_str(RPL_MONOFFLINE), | |
268 | me.name, client_p->name, ""); | |
269 | ||
270 | onptr = onbuf + mlen; | |
271 | offptr = offbuf + mlen; | |
272 | ||
273 | RB_DLINK_FOREACH(ptr, client_p->localClient->monitor_list.head) | |
274 | { | |
275 | monptr = ptr->data; | |
276 | ||
277 | if((target_p = find_named_person(monptr->name)) != NULL) | |
278 | { | |
279 | if(cur_onlen + strlen(target_p->name) + | |
280 | strlen(target_p->username) + strlen(target_p->host) + 3 >= BUFSIZE-3) | |
281 | { | |
282 | sendto_one(client_p, "%s", onbuf); | |
283 | cur_onlen = mlen; | |
284 | onptr = onbuf + mlen; | |
285 | } | |
286 | ||
287 | if(cur_onlen != mlen) | |
288 | { | |
289 | *onptr++ = ','; | |
290 | cur_onlen++; | |
291 | } | |
292 | ||
293 | arglen = sprintf(onptr, "%s!%s@%s", | |
294 | target_p->name, target_p->username, | |
295 | target_p->host); | |
296 | onptr += arglen; | |
297 | cur_onlen += arglen; | |
298 | } | |
299 | else | |
300 | { | |
301 | if(cur_offlen + strlen(monptr->name) + 1 >= BUFSIZE-3) | |
302 | { | |
303 | sendto_one(client_p, "%s", offbuf); | |
304 | cur_offlen = mlen; | |
305 | offptr = offbuf + mlen; | |
306 | } | |
307 | ||
308 | if(cur_offlen != mlen) | |
309 | { | |
310 | *offptr++ = ','; | |
311 | cur_offlen++; | |
312 | } | |
313 | ||
314 | arglen = sprintf(offptr, "%s", monptr->name); | |
315 | offptr += arglen; | |
316 | cur_offlen += arglen; | |
317 | } | |
318 | } | |
319 | ||
320 | if(cur_onlen != mlen) | |
321 | sendto_one(client_p, "%s", onbuf); | |
322 | if(cur_offlen != mlen) | |
323 | sendto_one(client_p, "%s", offbuf); | |
324 | } | |
325 | ||
326 | static int | |
327 | m_monitor(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
328 | { | |
329 | switch(parv[1][0]) | |
330 | { | |
331 | case '+': | |
332 | if(parc < 3 || EmptyString(parv[2])) | |
333 | { | |
334 | sendto_one(client_p, form_str(ERR_NEEDMOREPARAMS), | |
335 | me.name, source_p->name, "MONITOR"); | |
336 | return 0; | |
337 | } | |
338 | ||
339 | add_monitor(source_p, parv[2]); | |
340 | break; | |
341 | case '-': | |
342 | if(parc < 3 || EmptyString(parv[2])) | |
343 | { | |
344 | sendto_one(client_p, form_str(ERR_NEEDMOREPARAMS), | |
345 | me.name, source_p->name, "MONITOR"); | |
346 | return 0; | |
347 | } | |
348 | ||
349 | del_monitor(source_p, parv[2]); | |
350 | break; | |
351 | ||
352 | case 'C': | |
353 | case 'c': | |
354 | clear_monitor(source_p); | |
355 | break; | |
356 | ||
357 | case 'L': | |
358 | case 'l': | |
359 | list_monitor(source_p); | |
360 | break; | |
361 | ||
362 | case 'S': | |
363 | case 's': | |
364 | show_monitor_status(source_p); | |
365 | break; | |
366 | ||
367 | default: | |
368 | break; | |
369 | } | |
370 | ||
371 | return 0; | |
372 | } | |
373 |