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212380e3 AC |
1 | /* |
2 | * ircd-ratbox: A slightly useful ircd. | |
3 | * m_kill.c: Kills a user. | |
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 | * | |
d1d0629f | 24 | * $Id: m_kill.c 3408 2007-04-14 20:58:56Z jilles $ |
212380e3 AC |
25 | */ |
26 | ||
27 | #include "stdinc.h" | |
28 | #include "client.h" | |
29 | #include "hash.h" /* for find_client() */ | |
30 | #include "ircd.h" | |
31 | #include "numeric.h" | |
32 | #include "sprintf_irc.h" | |
33 | #include "s_log.h" | |
34 | #include "s_serv.h" | |
35 | #include "s_conf.h" | |
36 | #include "send.h" | |
37 | #include "whowas.h" | |
38 | #include "irc_string.h" | |
39 | #include "msg.h" | |
40 | #include "parse.h" | |
41 | #include "modules.h" | |
42 | #include "s_newconf.h" | |
43 | ||
44 | static char buf[BUFSIZE]; | |
45 | ||
46 | static int ms_kill(struct Client *, struct Client *, int, const char **); | |
47 | static int mo_kill(struct Client *, struct Client *, int, const char **); | |
48 | static void relay_kill(struct Client *, struct Client *, struct Client *, | |
49 | const char *, const char *); | |
50 | ||
51 | struct Message kill_msgtab = { | |
52 | "KILL", 0, 0, 0, MFLG_SLOW, | |
53 | {mg_unreg, mg_not_oper, {ms_kill, 2}, {ms_kill, 2}, mg_ignore, {mo_kill, 2}} | |
54 | }; | |
55 | ||
56 | mapi_clist_av1 kill_clist[] = { &kill_msgtab, NULL }; | |
57 | ||
d1d0629f | 58 | DECLARE_MODULE_AV1(kill, NULL, NULL, kill_clist, NULL, NULL, "$Revision: 3408 $"); |
212380e3 AC |
59 | |
60 | /* | |
61 | ** mo_kill | |
62 | ** parv[0] = sender prefix | |
63 | ** parv[1] = kill victim | |
64 | ** parv[2] = kill path | |
65 | */ | |
66 | static int | |
67 | mo_kill(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
68 | { | |
69 | struct Client *target_p; | |
70 | const char *inpath = client_p->name; | |
71 | const char *user; | |
72 | const char *reason; | |
73 | ||
74 | user = parv[1]; | |
75 | ||
76 | if(!IsOperLocalKill(source_p)) | |
77 | { | |
78 | sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "local_kill"); | |
79 | return 0; | |
80 | } | |
81 | ||
82 | if(!EmptyString(parv[2])) | |
83 | { | |
84 | char *s; | |
85 | s = LOCAL_COPY(parv[2]); | |
86 | if(strlen(s) > (size_t) KILLLEN) | |
87 | s[KILLLEN] = '\0'; | |
88 | reason = s; | |
89 | } | |
90 | else | |
91 | reason = "<No reason given>"; | |
92 | ||
93 | if((target_p = find_named_person(user)) == NULL) | |
94 | { | |
95 | /* | |
96 | ** If the user has recently changed nick, automatically | |
97 | ** rewrite the KILL for this new nickname--this keeps | |
98 | ** servers in synch when nick change and kill collide | |
99 | */ | |
100 | if((target_p = get_history(user, (long) KILLCHASETIMELIMIT)) == NULL) | |
101 | { | |
102 | if (strchr(user, '.')) | |
103 | sendto_one_numeric(source_p, ERR_CANTKILLSERVER, form_str(ERR_CANTKILLSERVER)); | |
104 | else | |
105 | sendto_one_numeric(source_p, ERR_NOSUCHNICK, | |
106 | form_str(ERR_NOSUCHNICK), user); | |
107 | return 0; | |
108 | } | |
5366977b | 109 | sendto_one_notice(source_p, ":KILL changed from %s to %s", user, target_p->name); |
212380e3 AC |
110 | } |
111 | ||
112 | if(!MyConnect(target_p) && (!IsOperGlobalKill(source_p))) | |
113 | { | |
5366977b AC |
114 | sendto_one_notice(source_p, ":Nick %s is not on your server " |
115 | "and you do not have the global_kill flag", | |
116 | target_p->name); | |
212380e3 AC |
117 | return 0; |
118 | } | |
119 | ||
120 | if(MyConnect(target_p)) | |
121 | sendto_one(target_p, ":%s!%s@%s KILL %s :%s", | |
122 | source_p->name, source_p->username, source_p->host, | |
123 | target_p->name, reason); | |
124 | ||
125 | /* Do not change the format of this message. There's no point in changing messages | |
126 | * that have been around for ever, for no reason.. */ | |
127 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
8d090389 | 128 | "Received KILL message for %s!%s@%s. From %s Path: %s (%s)", |
d1d0629f | 129 | target_p->name, target_p->username, target_p->orighost, |
5366977b | 130 | parv[0], me.name, reason); |
212380e3 AC |
131 | |
132 | ilog(L_KILL, "%c %s %s!%s@%s %s %s", | |
133 | MyConnect(target_p) ? 'L' : 'G', get_oper_name(source_p), | |
c88cdb00 | 134 | target_p->name, target_p->username, target_p->host, target_p->servptr->name, reason); |
212380e3 AC |
135 | |
136 | /* | |
137 | ** And pass on the message to other servers. Note, that if KILL | |
138 | ** was changed, the message has to be sent to all links, also | |
139 | ** back. | |
140 | ** Suicide kills are NOT passed on --SRB | |
141 | */ | |
142 | if(!MyConnect(target_p)) | |
143 | { | |
144 | relay_kill(client_p, source_p, target_p, inpath, reason); | |
145 | /* | |
146 | ** Set FLAGS_KILLED. This prevents exit_one_client from sending | |
147 | ** the unnecessary QUIT for this. (This flag should never be | |
148 | ** set in any other place) | |
149 | */ | |
150 | target_p->flags |= FLAGS_KILLED; | |
151 | } | |
152 | ||
153 | ircsprintf(buf, "Killed (%s (%s))", source_p->name, reason); | |
154 | ||
155 | exit_client(client_p, target_p, source_p, buf); | |
156 | ||
157 | return 0; | |
158 | } | |
159 | ||
160 | /* | |
161 | * ms_kill | |
162 | * parv[0] = sender prefix | |
163 | * parv[1] = kill victim | |
164 | * parv[2] = kill path and reason | |
165 | */ | |
166 | static int | |
167 | ms_kill(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
168 | { | |
169 | struct Client *target_p; | |
170 | const char *user; | |
171 | const char *reason; | |
172 | char default_reason[] = "<No reason given>"; | |
173 | const char *path; | |
174 | int chasing = 0; | |
175 | ||
176 | *buf = '\0'; | |
177 | ||
178 | user = parv[1]; | |
179 | ||
180 | if(EmptyString(parv[2])) | |
181 | { | |
182 | reason = default_reason; | |
183 | ||
184 | /* hyb6 takes the nick of the killer from the path *sigh* --fl_ */ | |
185 | path = source_p->name; | |
186 | } | |
187 | else | |
188 | { | |
189 | char *s = LOCAL_COPY(parv[2]), *t; | |
190 | t = strchr(s, ' '); | |
191 | ||
192 | if(t) | |
193 | { | |
194 | *t = '\0'; | |
195 | t++; | |
196 | reason = t; | |
197 | } | |
198 | else | |
199 | reason = default_reason; | |
200 | ||
201 | path = s; | |
202 | } | |
203 | ||
204 | if((target_p = find_person(user)) == NULL) | |
205 | { | |
206 | /* | |
207 | * If the user has recently changed nick, but only if its | |
208 | * not an uid, automatically rewrite the KILL for this new nickname. | |
209 | * --this keeps servers in synch when nick change and kill collide | |
210 | */ | |
211 | if(IsDigit(*user) || (!(target_p = get_history(user, (long) KILLCHASETIMELIMIT)))) | |
212 | { | |
213 | sendto_one_numeric(source_p, ERR_NOSUCHNICK, | |
214 | form_str(ERR_NOSUCHNICK), IsDigit(*user) ? "*" : user); | |
215 | return 0; | |
216 | } | |
217 | sendto_one_notice(source_p, ":KILL changed from %s to %s", user, target_p->name); | |
218 | chasing = 1; | |
219 | } | |
220 | ||
221 | if(IsServer(target_p) || IsMe(target_p)) | |
222 | { | |
223 | sendto_one_numeric(source_p, ERR_CANTKILLSERVER, form_str(ERR_CANTKILLSERVER)); | |
224 | return 0; | |
225 | } | |
226 | ||
227 | if(MyConnect(target_p)) | |
228 | { | |
229 | if(IsServer(source_p)) | |
230 | { | |
231 | sendto_one(target_p, ":%s KILL %s :%s", | |
232 | source_p->name, target_p->name, reason); | |
233 | } | |
234 | else | |
235 | sendto_one(target_p, ":%s!%s@%s KILL %s :%s", | |
236 | source_p->name, source_p->username, source_p->host, | |
237 | target_p->name, reason); | |
238 | } | |
239 | ||
240 | /* Be warned, this message must be From %s, or it confuses clients | |
241 | * so dont change it to From: or the case or anything! -- fl -- db */ | |
242 | /* path must contain at least 2 !'s, or bitchx falsely declares it | |
243 | * local --fl | |
244 | */ | |
245 | if(IsOper(source_p)) /* send it normally */ | |
246 | { | |
247 | sendto_realops_snomask(IsService(source_p) ? SNO_SKILL : SNO_GENERAL, L_ALL, | |
8d090389 | 248 | "Received KILL message for %s!%s@%s. From %s Path: %s!%s!%s!%s %s", |
d1d0629f | 249 | target_p->name, target_p->username, target_p->orighost, parv[0], |
c88cdb00 | 250 | source_p->servptr->name, source_p->host, source_p->username, |
5366977b | 251 | source_p->name, reason); |
212380e3 AC |
252 | |
253 | ilog(L_KILL, "%c %s %s!%s@%s %s %s", | |
254 | MyConnect(target_p) ? 'O' : 'R', get_oper_name(source_p), | |
255 | target_p->name, target_p->username, target_p->host, | |
c88cdb00 | 256 | target_p->servptr->name, reason); |
212380e3 AC |
257 | } |
258 | else | |
259 | { | |
260 | sendto_realops_snomask(SNO_SKILL, L_ALL, | |
8d090389 | 261 | "Received KILL message for %s!%s@%s. From %s %s", |
d1d0629f | 262 | target_p->name, target_p->username, target_p->orighost, |
5366977b | 263 | parv[0], reason); |
212380e3 AC |
264 | |
265 | ilog(L_KILL, "S %s %s!%s@%s %s %s", | |
266 | source_p->name, target_p->name, target_p->username, | |
c88cdb00 | 267 | target_p->host, target_p->servptr->name, reason); |
212380e3 AC |
268 | } |
269 | ||
270 | relay_kill(client_p, source_p, target_p, path, reason); | |
271 | ||
272 | /* FLAGS_KILLED prevents a quit being sent out */ | |
273 | target_p->flags |= FLAGS_KILLED; | |
274 | ||
275 | ircsprintf(buf, "Killed (%s %s)", source_p->name, reason); | |
276 | ||
277 | exit_client(client_p, target_p, source_p, buf); | |
278 | ||
279 | return 0; | |
280 | } | |
281 | ||
282 | static void | |
283 | relay_kill(struct Client *one, struct Client *source_p, | |
284 | struct Client *target_p, const char *inpath, const char *reason) | |
285 | { | |
286 | struct Client *client_p; | |
287 | dlink_node *ptr; | |
288 | char buffer[BUFSIZE]; | |
289 | ||
290 | if(MyClient(source_p)) | |
291 | ircsnprintf(buffer, sizeof(buffer), | |
292 | "%s!%s!%s!%s (%s)", | |
293 | me.name, source_p->host, source_p->username, source_p->name, reason); | |
294 | else | |
295 | ircsnprintf(buffer, sizeof(buffer), "%s %s", inpath, reason); | |
296 | ||
297 | DLINK_FOREACH(ptr, serv_list.head) | |
298 | { | |
299 | client_p = ptr->data; | |
300 | ||
301 | if(!client_p || client_p == one) | |
302 | continue; | |
303 | ||
304 | sendto_one(client_p, ":%s KILL %s :%s", | |
305 | get_id(source_p, client_p), get_id(target_p, client_p), buffer); | |
306 | } | |
307 | } |