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925c50ef AC |
1 | /* |
2 | * ircd-ratbox: A slightly useful ircd. | |
3 | * m_kick.c: Kicks a user from a channel. | |
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 | * | |
24 | * $Id: m_kick.c 3317 2007-03-28 23:17:06Z jilles $ | |
25 | */ | |
26 | ||
27 | #include "stdinc.h" | |
28 | #include "channel.h" | |
29 | #include "client.h" | |
30 | #include "match.h" | |
31 | #include "ircd.h" | |
32 | #include "numeric.h" | |
33 | #include "send.h" | |
34 | #include "msg.h" | |
35 | #include "modules.h" | |
36 | #include "parse.h" | |
37 | #include "hash.h" | |
38 | #include "packet.h" | |
39 | #include "s_serv.h" | |
40 | #include "s_conf.h" | |
41 | #include "hook.h" | |
bd0d352f | 42 | #include "messages.h" |
925c50ef AC |
43 | |
44 | unsigned int CAP_REMOVE; | |
a69c4f8c | 45 | static char part_buf[REASONLEN + 1]; |
925c50ef | 46 | |
760bafda | 47 | static int m_remove(struct MsgBuf *, struct Client *, struct Client *, int, const char **); |
a69c4f8c | 48 | static void remove_quote_part(hook_data_privmsg_channel *); |
925c50ef AC |
49 | |
50 | struct Message remove_msgtab = { | |
7baa37a9 | 51 | "REMOVE", 0, 0, 0, 0, |
925c50ef AC |
52 | {mg_unreg, {m_remove, 3}, {m_remove, 3}, {m_remove, 3}, mg_ignore, {m_remove, 3}} |
53 | }; | |
54 | ||
55 | mapi_clist_av1 remove_clist[] = { &remove_msgtab, NULL }; | |
a69c4f8c DF |
56 | mapi_hfn_list_av1 remove_hfnlist[] = { |
57 | { "privmsg_channel", (hookfn) remove_quote_part }, | |
58 | { NULL, NULL } | |
59 | }; | |
925c50ef AC |
60 | |
61 | static int | |
62 | modinit(void) | |
63 | { | |
63b9db96 | 64 | CAP_REMOVE = capability_put(serv_capindex, "REMOVE", NULL); |
925c50ef AC |
65 | |
66 | return 0; | |
67 | } | |
68 | ||
69 | static void | |
70 | moddeinit(void) | |
71 | { | |
72 | capability_orphan(serv_capindex, "REMOVE"); | |
73 | } | |
74 | ||
a69c4f8c | 75 | DECLARE_MODULE_AV1(remove, modinit, moddeinit, remove_clist, NULL, remove_hfnlist, "$Revision: 3317 $"); |
925c50ef AC |
76 | |
77 | static int | |
760bafda | 78 | m_remove(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
925c50ef AC |
79 | { |
80 | struct membership *msptr; | |
81 | struct Client *who; | |
82 | struct Channel *chptr; | |
83 | int chasing = 0; | |
84 | char *comment; | |
85 | const char *name; | |
86 | char *p = NULL; | |
87 | const char *user; | |
88 | static char buf[BUFSIZE]; | |
89 | ||
90 | if(MyClient(source_p) && !IsFloodDone(source_p)) | |
91 | flood_endgrace(source_p); | |
92 | ||
93 | *buf = '\0'; | |
94 | if((p = strchr(parv[1], ','))) | |
95 | *p = '\0'; | |
96 | ||
97 | name = parv[1]; | |
98 | ||
99 | chptr = find_channel(name); | |
100 | if(chptr == NULL) | |
101 | { | |
102 | sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL, form_str(ERR_NOSUCHCHANNEL), name); | |
103 | return 0; | |
104 | } | |
105 | ||
106 | if(!IsServer(source_p)) | |
107 | { | |
108 | msptr = find_channel_membership(chptr, source_p); | |
109 | ||
110 | if((msptr == NULL) && MyConnect(source_p)) | |
111 | { | |
112 | sendto_one_numeric(source_p, ERR_NOTONCHANNEL, | |
113 | form_str(ERR_NOTONCHANNEL), name); | |
114 | return 0; | |
115 | } | |
116 | ||
3ee43bcf | 117 | if(get_channel_access(source_p, chptr, msptr, MODE_ADD, NULL) < CHFL_CHANOP) |
925c50ef AC |
118 | { |
119 | if(MyConnect(source_p)) | |
120 | { | |
121 | sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED), | |
122 | me.name, source_p->name, name); | |
123 | return 0; | |
124 | } | |
125 | ||
126 | /* If its a TS 0 channel, do it the old way */ | |
127 | if(chptr->channelts == 0) | |
128 | { | |
129 | sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED), | |
130 | get_id(&me, source_p), get_id(source_p, source_p), name); | |
131 | return 0; | |
132 | } | |
133 | } | |
134 | ||
135 | /* Its a user doing a kick, but is not showing as chanop locally | |
136 | * its also not a user ON -my- server, and the channel has a TS. | |
137 | * There are two cases we can get to this point then... | |
138 | * | |
139 | * 1) connect burst is happening, and for some reason a legit | |
55abcbb2 | 140 | * op has sent a KICK, but the SJOIN hasn't happened yet or |
925c50ef AC |
141 | * been seen. (who knows.. due to lag...) |
142 | * | |
143 | * 2) The channel is desynced. That can STILL happen with TS | |
55abcbb2 KB |
144 | * |
145 | * Now, the old code roger wrote, would allow the KICK to | |
925c50ef AC |
146 | * go through. Thats quite legit, but lets weird things like |
147 | * KICKS by users who appear not to be chanopped happen, | |
148 | * or even neater, they appear not to be on the channel. | |
149 | * This fits every definition of a desync, doesn't it? ;-) | |
150 | * So I will allow the KICK, otherwise, things are MUCH worse. | |
151 | * But I will warn it as a possible desync. | |
152 | * | |
153 | * -Dianora | |
154 | */ | |
155 | } | |
156 | ||
157 | if((p = strchr(parv[2], ','))) | |
158 | *p = '\0'; | |
159 | ||
160 | user = parv[2]; /* strtoken(&p2, parv[2], ","); */ | |
161 | ||
162 | if(!(who = find_chasing(source_p, user, &chasing))) | |
163 | { | |
164 | return 0; | |
165 | } | |
166 | ||
167 | msptr = find_channel_membership(chptr, who); | |
168 | ||
169 | if(msptr != NULL) | |
170 | { | |
171 | if(MyClient(source_p) && IsService(who)) | |
172 | { | |
173 | sendto_one(source_p, form_str(ERR_ISCHANSERVICE), | |
174 | me.name, source_p->name, who->name, chptr->chname); | |
175 | return 0; | |
176 | } | |
177 | ||
178 | if(MyClient(source_p)) | |
179 | { | |
180 | hook_data_channel_approval hookdata; | |
181 | ||
182 | hookdata.client = source_p; | |
183 | hookdata.chptr = chptr; | |
184 | hookdata.msptr = msptr; | |
185 | hookdata.target = who; | |
186 | hookdata.approved = 1; | |
202d4966 | 187 | hookdata.dir = MODE_ADD; /* ensure modules like override speak up */ |
925c50ef AC |
188 | |
189 | call_hook(h_can_kick, &hookdata); | |
190 | ||
191 | if (!hookdata.approved) | |
192 | return 0; | |
193 | } | |
194 | ||
195 | comment = LOCAL_COPY((EmptyString(parv[3])) ? who->name : parv[3]); | |
196 | if(strlen(comment) > (size_t) REASONLEN) | |
197 | comment[REASONLEN] = '\0'; | |
198 | ||
199 | /* jdc | |
200 | * - In the case of a server kicking a user (i.e. CLEARCHAN), | |
201 | * the kick should show up as coming from the server which did | |
202 | * the kick. | |
203 | * - Personally, flame and I believe that server kicks shouldn't | |
204 | * be sent anyways. Just waiting for some oper to abuse it... | |
205 | */ | |
206 | sendto_channel_local(ALL_MEMBERS, chptr, | |
207 | ":%s!%s@%s PART %s :requested by %s (%s)", | |
deee7b43 AC |
208 | who->name, who->username, |
209 | who->host, name, source_p->name, comment); | |
925c50ef AC |
210 | |
211 | sendto_server(client_p, chptr, CAP_REMOVE, NOCAPS, | |
212 | ":%s REMOVE %s %s :%s", | |
213 | use_id(source_p), chptr->chname, use_id(who), comment); | |
214 | sendto_server(client_p, chptr, NOCAPS, CAP_REMOVE, | |
215 | ":%s KICK %s %s :%s", | |
216 | use_id(source_p), chptr->chname, use_id(who), comment); | |
217 | ||
218 | remove_user_from_channel(msptr); | |
219 | } | |
220 | else if (MyClient(source_p)) | |
221 | sendto_one_numeric(source_p, ERR_USERNOTINCHANNEL, | |
222 | form_str(ERR_USERNOTINCHANNEL), user, name); | |
223 | ||
224 | return 0; | |
225 | } | |
226 | ||
a69c4f8c DF |
227 | static void |
228 | remove_quote_part(hook_data_privmsg_channel *data) | |
229 | { | |
a69c4f8c DF |
230 | if (data->approved || EmptyString(data->text) || data->msgtype != MESSAGE_TYPE_PART) |
231 | return; | |
232 | ||
49c12c23 AC |
233 | rb_strlcpy(part_buf, "\"", sizeof(part_buf) - 1); |
234 | rb_strlcat(part_buf, data->text, sizeof(part_buf) - 1); | |
235 | rb_strlcat(part_buf, "\"", sizeof(part_buf)); | |
a69c4f8c DF |
236 | |
237 | data->text = part_buf; | |
238 | } |