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212380e3 | 1 | /* |
2 | * ircd-ratbox: A slightly useful ircd. | |
3 | * m_mode.c: Sets a user or channel mode. | |
4 | * | |
5 | * Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center | |
6 | * Copyright (C) 1996-2002 Hybrid Development Team | |
7 | * Copyright (C) 2002-2005 ircd-ratbox development team | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
22 | * USA | |
23 | * | |
212380e3 | 24 | */ |
25 | ||
26 | #include "stdinc.h" | |
212380e3 | 27 | #include "channel.h" |
28 | #include "client.h" | |
29 | #include "hash.h" | |
13ae2f4b | 30 | #include "match.h" |
212380e3 | 31 | #include "ircd.h" |
32 | #include "numeric.h" | |
33 | #include "s_user.h" | |
34 | #include "s_conf.h" | |
35 | #include "s_serv.h" | |
d3455e2c | 36 | #include "logger.h" |
212380e3 | 37 | #include "send.h" |
38 | #include "msg.h" | |
39 | #include "parse.h" | |
40 | #include "modules.h" | |
41 | #include "packet.h" | |
212380e3 | 42 | #include "s_newconf.h" |
43 | ||
44 | static int m_mode(struct Client *, struct Client *, int, const char **); | |
45 | static int ms_mode(struct Client *, struct Client *, int, const char **); | |
46 | static int ms_tmode(struct Client *, struct Client *, int, const char **); | |
28805dc5 | 47 | static int ms_mlock(struct Client *, struct Client *, int, const char **); |
212380e3 | 48 | static int ms_bmask(struct Client *, struct Client *, int, const char **); |
49 | ||
50 | struct Message mode_msgtab = { | |
51 | "MODE", 0, 0, 0, MFLG_SLOW, | |
52 | {mg_unreg, {m_mode, 2}, {m_mode, 3}, {ms_mode, 3}, mg_ignore, {m_mode, 2}} | |
53 | }; | |
54 | struct Message tmode_msgtab = { | |
55 | "TMODE", 0, 0, 0, MFLG_SLOW, | |
56 | {mg_ignore, mg_ignore, {ms_tmode, 4}, {ms_tmode, 4}, mg_ignore, mg_ignore} | |
57 | }; | |
28805dc5 WP |
58 | struct Message mlock_msgtab = { |
59 | "MLOCK", 0, 0, 0, MFLG_SLOW, | |
c554add2 | 60 | {mg_ignore, mg_ignore, {ms_mlock, 3}, {ms_mlock, 3}, mg_ignore, mg_ignore} |
28805dc5 | 61 | }; |
212380e3 | 62 | struct Message bmask_msgtab = { |
63 | "BMASK", 0, 0, 0, MFLG_SLOW, | |
64 | {mg_ignore, mg_ignore, mg_ignore, {ms_bmask, 5}, mg_ignore, mg_ignore} | |
65 | }; | |
66 | ||
28805dc5 | 67 | mapi_clist_av1 mode_clist[] = { &mode_msgtab, &tmode_msgtab, &mlock_msgtab, &bmask_msgtab, NULL }; |
212380e3 | 68 | |
69 | DECLARE_MODULE_AV1(mode, NULL, NULL, mode_clist, NULL, NULL, "$Revision: 1006 $"); | |
70 | ||
71 | /* | |
72 | * m_mode - MODE command handler | |
212380e3 | 73 | * parv[1] - channel |
74 | */ | |
75 | static int | |
76 | m_mode(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
77 | { | |
78 | struct Channel *chptr = NULL; | |
79 | struct membership *msptr; | |
80 | int n = 2; | |
81 | const char *dest; | |
82 | int operspy = 0; | |
83 | ||
84 | dest = parv[1]; | |
85 | ||
86 | if(IsOperSpy(source_p) && *dest == '!') | |
87 | { | |
88 | dest++; | |
89 | operspy = 1; | |
90 | ||
91 | if(EmptyString(dest)) | |
92 | { | |
93 | sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), | |
94 | me.name, source_p->name, "MODE"); | |
95 | return 0; | |
96 | } | |
97 | } | |
98 | ||
99 | /* Now, try to find the channel in question */ | |
100 | if(!IsChanPrefix(*dest)) | |
101 | { | |
102 | /* if here, it has to be a non-channel name */ | |
103 | user_mode(client_p, source_p, parc, parv); | |
104 | return 0; | |
105 | } | |
106 | ||
107 | if(!check_channel_name(dest)) | |
108 | { | |
109 | sendto_one_numeric(source_p, ERR_BADCHANNAME, form_str(ERR_BADCHANNAME), parv[1]); | |
110 | return 0; | |
111 | } | |
112 | ||
113 | chptr = find_channel(dest); | |
114 | ||
115 | if(chptr == NULL) | |
116 | { | |
117 | sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL, | |
118 | form_str(ERR_NOSUCHCHANNEL), parv[1]); | |
119 | return 0; | |
120 | } | |
121 | ||
122 | /* Now know the channel exists */ | |
123 | if(parc < n + 1) | |
124 | { | |
125 | if(operspy) | |
126 | report_operspy(source_p, "MODE", chptr->chname); | |
127 | ||
128 | sendto_one(source_p, form_str(RPL_CHANNELMODEIS), | |
129 | me.name, source_p->name, parv[1], | |
130 | operspy ? channel_modes(chptr, &me) : channel_modes(chptr, source_p)); | |
131 | ||
132 | sendto_one(source_p, form_str(RPL_CREATIONTIME), | |
133 | me.name, source_p->name, parv[1], chptr->channelts); | |
134 | } | |
135 | else | |
136 | { | |
137 | msptr = find_channel_membership(chptr, source_p); | |
138 | ||
212380e3 | 139 | /* Finish the flood grace period... */ |
140 | if(MyClient(source_p) && !IsFloodDone(source_p)) | |
141 | { | |
142 | if(!((parc == 3) && (parv[2][0] == 'b') && (parv[2][1] == '\0'))) | |
143 | flood_endgrace(source_p); | |
144 | } | |
145 | ||
146 | set_channel_mode(client_p, source_p, chptr, msptr, parc - n, parv + n); | |
147 | } | |
148 | ||
149 | return 0; | |
150 | } | |
151 | ||
152 | static int | |
153 | ms_mode(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
154 | { | |
155 | struct Channel *chptr; | |
156 | ||
157 | chptr = find_channel(parv[1]); | |
158 | ||
159 | if(chptr == NULL) | |
160 | { | |
161 | sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL, | |
162 | form_str(ERR_NOSUCHCHANNEL), parv[1]); | |
163 | return 0; | |
164 | } | |
165 | ||
166 | set_channel_mode(client_p, source_p, chptr, NULL, parc - 2, parv + 2); | |
167 | ||
168 | return 0; | |
169 | } | |
170 | ||
171 | static int | |
172 | ms_tmode(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
173 | { | |
174 | struct Channel *chptr = NULL; | |
175 | struct membership *msptr; | |
176 | ||
177 | /* Now, try to find the channel in question */ | |
178 | if(!IsChanPrefix(parv[2][0]) || !check_channel_name(parv[2])) | |
179 | { | |
180 | sendto_one_numeric(source_p, ERR_BADCHANNAME, form_str(ERR_BADCHANNAME), parv[2]); | |
181 | return 0; | |
182 | } | |
183 | ||
184 | chptr = find_channel(parv[2]); | |
185 | ||
186 | if(chptr == NULL) | |
187 | { | |
188 | sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL, | |
189 | form_str(ERR_NOSUCHCHANNEL), parv[2]); | |
190 | return 0; | |
191 | } | |
192 | ||
193 | /* TS is higher, drop it. */ | |
194 | if(atol(parv[1]) > chptr->channelts) | |
195 | return 0; | |
196 | ||
197 | if(IsServer(source_p)) | |
198 | { | |
199 | set_channel_mode(client_p, source_p, chptr, NULL, parc - 3, parv + 3); | |
200 | } | |
201 | else | |
202 | { | |
203 | msptr = find_channel_membership(chptr, source_p); | |
204 | ||
212380e3 | 205 | set_channel_mode(client_p, source_p, chptr, msptr, parc - 3, parv + 3); |
206 | } | |
207 | ||
208 | return 0; | |
209 | } | |
210 | ||
28805dc5 WP |
211 | static int |
212 | ms_mlock(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
213 | { | |
214 | struct Channel *chptr = NULL; | |
215 | ||
216 | /* Now, try to find the channel in question */ | |
217 | if(!IsChanPrefix(parv[2][0]) || !check_channel_name(parv[2])) | |
218 | { | |
219 | sendto_one_numeric(source_p, ERR_BADCHANNAME, form_str(ERR_BADCHANNAME), parv[2]); | |
220 | return 0; | |
221 | } | |
222 | ||
223 | chptr = find_channel(parv[2]); | |
224 | ||
225 | if(chptr == NULL) | |
226 | { | |
227 | sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL, | |
228 | form_str(ERR_NOSUCHCHANNEL), parv[2]); | |
229 | return 0; | |
230 | } | |
231 | ||
232 | /* TS is higher, drop it. */ | |
233 | if(atol(parv[1]) > chptr->channelts) | |
234 | return 0; | |
235 | ||
236 | if(IsServer(source_p)) | |
fc579e36 | 237 | set_channel_mlock(client_p, source_p, chptr, parv[3], TRUE); |
28805dc5 WP |
238 | |
239 | return 0; | |
240 | } | |
241 | ||
212380e3 | 242 | static int |
243 | ms_bmask(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
244 | { | |
245 | static char modebuf[BUFSIZE]; | |
246 | static char parabuf[BUFSIZE]; | |
247 | struct Channel *chptr; | |
08d11e34 | 248 | rb_dlink_list *banlist; |
212380e3 | 249 | const char *s; |
250 | char *t; | |
251 | char *mbuf; | |
252 | char *pbuf; | |
253 | long mode_type; | |
254 | int mlen; | |
255 | int plen = 0; | |
256 | int tlen; | |
257 | int arglen; | |
258 | int modecount = 0; | |
259 | int needcap = NOCAPS; | |
260 | int mems; | |
261 | struct Client *fakesource_p; | |
262 | ||
263 | if(!IsChanPrefix(parv[2][0]) || !check_channel_name(parv[2])) | |
264 | return 0; | |
265 | ||
266 | if((chptr = find_channel(parv[2])) == NULL) | |
267 | return 0; | |
268 | ||
269 | /* TS is higher, drop it. */ | |
270 | if(atol(parv[1]) > chptr->channelts) | |
271 | return 0; | |
272 | ||
273 | switch (parv[3][0]) | |
274 | { | |
275 | case 'b': | |
276 | banlist = &chptr->banlist; | |
277 | mode_type = CHFL_BAN; | |
278 | mems = ALL_MEMBERS; | |
279 | break; | |
280 | ||
281 | case 'e': | |
282 | banlist = &chptr->exceptlist; | |
283 | mode_type = CHFL_EXCEPTION; | |
284 | needcap = CAP_EX; | |
285 | mems = ONLY_CHANOPS; | |
286 | break; | |
287 | ||
288 | case 'I': | |
289 | banlist = &chptr->invexlist; | |
290 | mode_type = CHFL_INVEX; | |
291 | needcap = CAP_IE; | |
292 | mems = ONLY_CHANOPS; | |
293 | break; | |
294 | ||
295 | case 'q': | |
296 | banlist = &chptr->quietlist; | |
90728edb | 297 | mode_type = CHFL_QUIET; |
212380e3 | 298 | mems = ALL_MEMBERS; |
299 | break; | |
300 | ||
301 | /* maybe we should just blindly propagate this? */ | |
302 | default: | |
303 | return 0; | |
304 | } | |
305 | ||
306 | parabuf[0] = '\0'; | |
307 | s = LOCAL_COPY(parv[4]); | |
308 | ||
309 | /* Hide connecting server on netburst -- jilles */ | |
310 | if (ConfigServerHide.flatten_links && !HasSentEob(source_p)) | |
311 | fakesource_p = &me; | |
312 | else | |
313 | fakesource_p = source_p; | |
581fa5c4 | 314 | mlen = rb_sprintf(modebuf, ":%s MODE %s +", fakesource_p->name, chptr->chname); |
212380e3 | 315 | mbuf = modebuf + mlen; |
316 | pbuf = parabuf; | |
317 | ||
318 | while(*s == ' ') | |
319 | s++; | |
320 | ||
321 | /* next char isnt a space, point t to the next one */ | |
322 | if((t = strchr(s, ' ')) != NULL) | |
323 | { | |
324 | *t++ = '\0'; | |
325 | ||
326 | /* double spaces will break the parser */ | |
327 | while(*t == ' ') | |
328 | t++; | |
329 | } | |
330 | ||
331 | /* couldve skipped spaces and got nothing.. */ | |
332 | while(!EmptyString(s)) | |
333 | { | |
334 | /* ban with a leading ':' -- this will break the protocol */ | |
335 | if(*s == ':') | |
336 | goto nextban; | |
337 | ||
338 | tlen = strlen(s); | |
339 | ||
340 | /* I dont even want to begin parsing this.. */ | |
341 | if(tlen > MODEBUFLEN) | |
342 | break; | |
343 | ||
344 | if(add_id(fakesource_p, chptr, s, banlist, mode_type)) | |
345 | { | |
346 | /* this new one wont fit.. */ | |
347 | if(mlen + MAXMODEPARAMS + plen + tlen > BUFSIZE - 5 || | |
348 | modecount >= MAXMODEPARAMS) | |
349 | { | |
350 | *mbuf = '\0'; | |
351 | *(pbuf - 1) = '\0'; | |
352 | sendto_channel_local(mems, chptr, "%s %s", modebuf, parabuf); | |
353 | sendto_server(client_p, chptr, needcap, CAP_TS6, | |
354 | "%s %s", modebuf, parabuf); | |
355 | ||
356 | mbuf = modebuf + mlen; | |
357 | pbuf = parabuf; | |
358 | plen = modecount = 0; | |
359 | } | |
360 | ||
361 | *mbuf++ = parv[3][0]; | |
581fa5c4 | 362 | arglen = rb_sprintf(pbuf, "%s ", s); |
212380e3 | 363 | pbuf += arglen; |
364 | plen += arglen; | |
365 | modecount++; | |
366 | } | |
367 | ||
368 | nextban: | |
369 | s = t; | |
370 | ||
371 | if(s != NULL) | |
372 | { | |
373 | if((t = strchr(s, ' ')) != NULL) | |
374 | { | |
375 | *t++ = '\0'; | |
376 | ||
377 | while(*t == ' ') | |
378 | t++; | |
379 | } | |
380 | } | |
381 | } | |
382 | ||
383 | if(modecount) | |
384 | { | |
385 | *mbuf = '\0'; | |
386 | *(pbuf - 1) = '\0'; | |
387 | sendto_channel_local(mems, chptr, "%s %s", modebuf, parabuf); | |
388 | sendto_server(client_p, chptr, needcap, CAP_TS6, "%s %s", modebuf, parabuf); | |
389 | } | |
390 | ||
391 | sendto_server(client_p, chptr, CAP_TS6 | needcap, NOCAPS, ":%s BMASK %ld %s %s :%s", | |
392 | source_p->id, (long) chptr->channelts, chptr->chname, parv[3], parv[4]); | |
393 | return 0; | |
394 | } | |
395 |