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1 | /* | |
2 | * Charybdis: an advanced Internet Relay Chat Daemon(ircd). | |
3 | * m_omode.c: allows oper mode hacking | |
4 | * | |
5 | * Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center | |
6 | * Copyright (C) 1996-2002 Hybrid Development Team | |
7 | * Copyright (C) 2002-2004 ircd-ratbox development team | |
8 | * Copyright (C) 2006 Charybdis development team | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or | |
13 | * (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
23 | * USA | |
24 | */ | |
25 | ||
26 | #include "stdinc.h" | |
27 | #include "channel.h" | |
28 | #include "client.h" | |
29 | #include "hash.h" | |
30 | #include "match.h" | |
31 | #include "ircd.h" | |
32 | #include "numeric.h" | |
33 | #include "s_user.h" | |
34 | #include "s_conf.h" | |
35 | #include "s_newconf.h" | |
36 | #include "s_serv.h" | |
37 | #include "send.h" | |
38 | #include "msg.h" | |
39 | #include "parse.h" | |
40 | #include "modules.h" | |
41 | #include "packet.h" | |
42 | #include "messages.h" | |
43 | #include "logger.h" | |
44 | ||
45 | static const char omode_desc[] = "Allow admins to forcibly change modes on channels with the OMODE command"; | |
46 | ||
47 | static void mo_omode(struct MsgBuf *, struct Client *, struct Client *, int, const char **); | |
48 | ||
49 | struct Message omode_msgtab = { | |
50 | "OMODE", 0, 0, 0, 0, | |
51 | {mg_unreg, mg_not_oper, mg_ignore, mg_ignore, mg_ignore, {mo_omode, 3}} | |
52 | }; | |
53 | ||
54 | mapi_clist_av1 omode_clist[] = { &omode_msgtab, NULL }; | |
55 | ||
56 | DECLARE_MODULE_AV2(omode, NULL, NULL, omode_clist, NULL, NULL, NULL, NULL, omode_desc); | |
57 | ||
58 | /* | |
59 | * mo_omode - MODE command handler | |
60 | * parv[1] - channel | |
61 | */ | |
62 | static void | |
63 | mo_omode(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
64 | { | |
65 | struct Channel *chptr = NULL; | |
66 | struct membership *msptr; | |
67 | char params[512]; | |
68 | int i; | |
69 | int wasonchannel; | |
70 | ||
71 | /* admins only */ | |
72 | if(!IsOperAdmin(source_p)) | |
73 | { | |
74 | sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "admin"); | |
75 | return; | |
76 | } | |
77 | ||
78 | /* Now, try to find the channel in question */ | |
79 | if(!IsChanPrefix(parv[1][0]) || !check_channel_name(parv[1])) | |
80 | { | |
81 | sendto_one_numeric(source_p, ERR_BADCHANNAME, | |
82 | form_str(ERR_BADCHANNAME), parv[1]); | |
83 | return; | |
84 | } | |
85 | ||
86 | chptr = find_channel(parv[1]); | |
87 | ||
88 | if(chptr == NULL) | |
89 | { | |
90 | sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL, | |
91 | form_str(ERR_NOSUCHCHANNEL), parv[1]); | |
92 | return; | |
93 | } | |
94 | ||
95 | /* Now know the channel exists */ | |
96 | msptr = find_channel_membership(chptr, source_p); | |
97 | wasonchannel = msptr != NULL; | |
98 | ||
99 | if (is_chanop(msptr)) | |
100 | { | |
101 | sendto_one_notice(source_p, ":Use a normal MODE you idiot"); | |
102 | return; | |
103 | } | |
104 | ||
105 | params[0] = '\0'; | |
106 | for (i = 2; i < parc; i++) | |
107 | { | |
108 | if (i != 2) | |
109 | rb_strlcat(params, " ", sizeof params); | |
110 | rb_strlcat(params, parv[i], sizeof params); | |
111 | } | |
112 | ||
113 | sendto_wallops_flags(UMODE_WALLOP, &me, | |
114 | "OMODE called for [%s] [%s] by %s!%s@%s", | |
115 | parv[1], params, source_p->name, source_p->username, source_p->host); | |
116 | ilog(L_MAIN, "OMODE called for [%s] [%s] by %s", | |
117 | parv[1], params, get_oper_name(source_p)); | |
118 | ||
119 | if(*chptr->chname != '&') | |
120 | sendto_server(NULL, NULL, NOCAPS, NOCAPS, | |
121 | ":%s WALLOPS :OMODE called for [%s] [%s] by %s!%s@%s", | |
122 | me.name, parv[1], params, source_p->name, source_p->username, | |
123 | source_p->host); | |
124 | ||
125 | #if 0 | |
126 | set_channel_mode(client_p, source_p->servptr, chptr, msptr, | |
127 | parc - 2, parv + 2); | |
128 | #else | |
129 | if (parc == 4 && !strcmp(parv[2], "+o") && !irccmp(parv[3], source_p->name)) | |
130 | { | |
131 | /* Opping themselves */ | |
132 | if (!wasonchannel) | |
133 | { | |
134 | sendto_one_numeric(source_p, ERR_USERNOTINCHANNEL, | |
135 | form_str(ERR_USERNOTINCHANNEL), parv[3], chptr->chname); | |
136 | return; | |
137 | } | |
138 | sendto_channel_local(ALL_MEMBERS, chptr, ":%s MODE %s +o %s", | |
139 | me.name, parv[1], source_p->name); | |
140 | sendto_server(NULL, chptr, CAP_TS6, NOCAPS, | |
141 | ":%s TMODE %ld %s +o %s", | |
142 | me.id, (long) chptr->channelts, parv[1], | |
143 | source_p->id); | |
144 | msptr->flags |= CHFL_CHANOP; | |
145 | } | |
146 | else | |
147 | { | |
148 | /* Hack it so set_channel_mode() will accept */ | |
149 | if (wasonchannel) | |
150 | msptr->flags |= CHFL_CHANOP; | |
151 | else | |
152 | { | |
153 | add_user_to_channel(chptr, source_p, CHFL_CHANOP); | |
154 | msptr = find_channel_membership(chptr, source_p); | |
155 | } | |
156 | set_channel_mode(client_p, source_p, chptr, msptr, | |
157 | parc - 2, parv + 2); | |
158 | /* We know they were not opped before and they can't have opped | |
159 | * themselves as set_channel_mode() does not allow that | |
160 | * -- jilles */ | |
161 | if (wasonchannel) | |
162 | msptr->flags &= ~CHFL_CHANOP; | |
163 | else | |
164 | remove_user_from_channel(msptr); | |
165 | } | |
166 | #endif | |
167 | } |