1 |
adx |
30 |
/* |
2 |
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* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd). |
3 |
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* m_sjoin.c: Joins a user to a channel. |
4 |
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* |
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* Copyright (C) 2002 by the past and present ircd coders, and others. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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* USA |
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* |
22 |
knight |
31 |
* $Id$ |
23 |
adx |
30 |
*/ |
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#include "stdinc.h" |
26 |
michael |
1011 |
#include "list.h" |
27 |
adx |
30 |
#include "handlers.h" |
28 |
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#include "channel.h" |
29 |
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#include "channel_mode.h" |
30 |
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#include "client.h" |
31 |
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#include "hash.h" |
32 |
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#include "irc_string.h" |
33 |
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#include "sprintf_irc.h" |
34 |
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#include "ircd.h" |
35 |
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#include "numeric.h" |
36 |
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#include "send.h" |
37 |
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#include "common.h" |
38 |
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#include "msg.h" |
39 |
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#include "parse.h" |
40 |
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#include "modules.h" |
41 |
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#include "s_serv.h" |
42 |
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#include "s_conf.h" |
43 |
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44 |
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static void ms_sjoin(struct Client *, struct Client *, int, char *[]); |
45 |
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46 |
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struct Message sjoin_msgtab = { |
47 |
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"SJOIN", 0, 0, 0, 0, MFLG_SLOW, 0, |
48 |
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{m_unregistered, m_ignore, ms_sjoin, m_ignore, m_ignore, m_ignore} |
49 |
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}; |
50 |
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51 |
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#ifndef STATIC_MODULES |
52 |
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void |
53 |
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_modinit(void) |
54 |
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{ |
55 |
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mod_add_cmd(&sjoin_msgtab); |
56 |
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} |
57 |
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58 |
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void |
59 |
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_moddeinit(void) |
60 |
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{ |
61 |
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mod_del_cmd(&sjoin_msgtab); |
62 |
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} |
63 |
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64 |
knight |
31 |
const char *_version = "$Revision$"; |
65 |
adx |
30 |
#endif |
66 |
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67 |
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static char modebuf[MODEBUFLEN]; |
68 |
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static char parabuf[MODEBUFLEN]; |
69 |
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static char sendbuf[MODEBUFLEN]; |
70 |
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static const char *para[MAXMODEPARAMS]; |
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static char *mbuf; |
72 |
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static int pargs; |
73 |
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74 |
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static void set_final_mode(struct Mode *, struct Mode *); |
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static void remove_our_modes(struct Channel *, struct Client *); |
76 |
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static void remove_a_mode(struct Channel *, struct Client *, int, char); |
77 |
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static void remove_ban_list(struct Channel *, struct Client *, dlink_list *, char, int); |
78 |
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79 |
michael |
885 |
|
80 |
adx |
30 |
/* ms_sjoin() |
81 |
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* |
82 |
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* parv[0] - sender |
83 |
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* parv[1] - TS |
84 |
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* parv[2] - channel |
85 |
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* parv[3] - modes + n arguments (key and/or limit) |
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* parv[4+n] - flags+nick list (all in one parameter) |
87 |
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* |
88 |
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* process a SJOIN, taking the TS's into account to either ignore the |
89 |
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* incoming modes or undo the existing ones or merge them, and JOIN |
90 |
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* all the specified users while sending JOIN/MODEs to local clients |
91 |
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*/ |
92 |
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static void |
93 |
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ms_sjoin(struct Client *client_p, struct Client *source_p, |
94 |
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int parc, char *parv[]) |
95 |
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{ |
96 |
michael |
632 |
struct Channel *chptr = NULL; |
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struct Client *target_p = NULL; |
98 |
adx |
30 |
time_t newts; |
99 |
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time_t oldts; |
100 |
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time_t tstosend; |
101 |
michael |
632 |
struct Mode mode, *oldmode; |
102 |
adx |
30 |
int args = 0; |
103 |
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char keep_our_modes = YES; |
104 |
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char keep_new_modes = YES; |
105 |
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char have_many_nicks = NO; |
106 |
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int lcount; |
107 |
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char nick_prefix[4]; |
108 |
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char uid_prefix[4]; |
109 |
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char *np, *up; |
110 |
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int len_nick = 0; |
111 |
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int len_uid = 0; |
112 |
michael |
632 |
int isnew = 0; |
113 |
adx |
30 |
int buflen = 0; |
114 |
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int slen; |
115 |
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unsigned int fl; |
116 |
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char *s; |
117 |
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char *sptr; |
118 |
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char nick_buf[IRCD_BUFSIZE]; /* buffer for modes and prefix */ |
119 |
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char uid_buf[IRCD_BUFSIZE]; /* buffer for modes/prefixes for CAP_TS6 servers */ |
120 |
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char *nick_ptr, *uid_ptr; /* pointers used for making the two mode/prefix buffers */ |
121 |
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char *p; /* pointer used making sjbuf */ |
122 |
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dlink_node *m; |
123 |
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const char *servername = (ConfigServerHide.hide_servers || IsHidden(source_p)) ? |
124 |
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me.name : source_p->name; |
125 |
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126 |
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if (IsClient(source_p) || parc < 5) |
127 |
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return; |
128 |
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129 |
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/* SJOIN's for local channels can't happen. */ |
130 |
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if (*parv[2] != '#') |
131 |
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return; |
132 |
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133 |
michael |
632 |
if (!check_channel_name(parv[2], 0)) |
134 |
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{ |
135 |
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sendto_realops_flags(UMODE_DEBUG, L_ALL, |
136 |
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"*** Too long or invalid channel name from %s: %s", |
137 |
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client_p->name, parv[2]); |
138 |
adx |
30 |
return; |
139 |
michael |
632 |
} |
140 |
adx |
30 |
|
141 |
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modebuf[0] = '\0'; |
142 |
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mbuf = modebuf; |
143 |
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pargs = 0; |
144 |
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newts = atol(parv[1]); |
145 |
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146 |
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mode.mode = 0; |
147 |
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mode.limit = 0; |
148 |
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mode.key[0] = '\0'; |
149 |
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|
150 |
michael |
632 |
for (s = parv[3]; *s; ++s) |
151 |
adx |
30 |
{ |
152 |
michael |
632 |
switch (*s) |
153 |
adx |
30 |
{ |
154 |
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case 't': |
155 |
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mode.mode |= MODE_TOPICLIMIT; |
156 |
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break; |
157 |
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case 'n': |
158 |
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mode.mode |= MODE_NOPRIVMSGS; |
159 |
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break; |
160 |
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case 's': |
161 |
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mode.mode |= MODE_SECRET; |
162 |
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break; |
163 |
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case 'm': |
164 |
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mode.mode |= MODE_MODERATED; |
165 |
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break; |
166 |
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case 'i': |
167 |
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mode.mode |= MODE_INVITEONLY; |
168 |
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break; |
169 |
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case 'p': |
170 |
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mode.mode |= MODE_PRIVATE; |
171 |
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break; |
172 |
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case 'k': |
173 |
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strlcpy(mode.key, parv[4 + args], sizeof(mode.key)); |
174 |
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args++; |
175 |
michael |
632 |
|
176 |
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if (parc < 5 + args) |
177 |
adx |
30 |
return; |
178 |
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break; |
179 |
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case 'l': |
180 |
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mode.limit = atoi(parv[4 + args]); |
181 |
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args++; |
182 |
michael |
632 |
|
183 |
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if (parc < 5 + args) |
184 |
adx |
30 |
return; |
185 |
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break; |
186 |
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} |
187 |
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} |
188 |
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189 |
michael |
632 |
if ((chptr = hash_find_channel(parv[2])) == NULL) |
190 |
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{ |
191 |
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isnew = 1; |
192 |
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chptr = make_channel(parv[2]); |
193 |
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} |
194 |
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195 |
adx |
30 |
parabuf[0] = '\0'; |
196 |
michael |
632 |
oldts = chptr->channelts; |
197 |
adx |
30 |
oldmode = &chptr->mode; |
198 |
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199 |
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if (ConfigFileEntry.ignore_bogus_ts) |
200 |
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{ |
201 |
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if (newts < 800000000) |
202 |
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{ |
203 |
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sendto_realops_flags(UMODE_DEBUG, L_ALL, |
204 |
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"*** Bogus TS %lu on %s ignored from %s", |
205 |
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(unsigned long)newts, chptr->chname, |
206 |
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client_p->name); |
207 |
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208 |
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newts = (oldts == 0) ? 0 : 800000000; |
209 |
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} |
210 |
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} |
211 |
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else |
212 |
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{ |
213 |
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if (!newts && !isnew && oldts) |
214 |
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{ |
215 |
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sendto_channel_local(ALL_MEMBERS, NO, chptr, |
216 |
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":%s NOTICE %s :*** Notice -- TS for %s changed from %lu to 0", |
217 |
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me.name, chptr->chname, chptr->chname, (unsigned long)oldts); |
218 |
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sendto_realops_flags(UMODE_ALL, L_ALL, |
219 |
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"Server %s changing TS on %s from %lu to 0", |
220 |
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source_p->name, chptr->chname, (unsigned long)oldts); |
221 |
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} |
222 |
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} |
223 |
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224 |
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if (isnew) |
225 |
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chptr->channelts = tstosend = newts; |
226 |
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else if (newts == 0 || oldts == 0) |
227 |
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chptr->channelts = tstosend = 0; |
228 |
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else if (newts == oldts) |
229 |
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tstosend = oldts; |
230 |
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else if (newts < oldts) |
231 |
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{ |
232 |
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keep_our_modes = NO; |
233 |
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chptr->channelts = tstosend = newts; |
234 |
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} |
235 |
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else |
236 |
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{ |
237 |
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keep_new_modes = NO; |
238 |
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tstosend = oldts; |
239 |
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} |
240 |
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241 |
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if (!keep_new_modes) |
242 |
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mode = *oldmode; |
243 |
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else if (keep_our_modes) |
244 |
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{ |
245 |
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mode.mode |= oldmode->mode; |
246 |
|
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if (oldmode->limit > mode.limit) |
247 |
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mode.limit = oldmode->limit; |
248 |
|
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if (strcmp(mode.key, oldmode->key) < 0) |
249 |
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strcpy(mode.key, oldmode->key); |
250 |
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} |
251 |
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set_final_mode(&mode, oldmode); |
252 |
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chptr->mode = mode; |
253 |
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|
254 |
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/* Lost the TS, other side wins, so remove modes on this side */ |
255 |
|
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if (!keep_our_modes) |
256 |
|
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{ |
257 |
|
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remove_our_modes(chptr, source_p); |
258 |
michael |
873 |
|
259 |
|
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if (chptr->topic) |
260 |
|
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{ |
261 |
|
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set_channel_topic(chptr, NULL, NULL, 0); |
262 |
|
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chptr->topic_time = 0; |
263 |
|
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sendto_channel_local(ALL_MEMBERS, NO, chptr, ":%s TOPIC %s :", |
264 |
|
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(IsHidden(source_p) || |
265 |
|
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ConfigServerHide.hide_servers) ? |
266 |
|
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me.name : source_p->name, chptr->chname); |
267 |
|
|
} |
268 |
|
|
|
269 |
adx |
30 |
sendto_channel_local(ALL_MEMBERS, NO, chptr, |
270 |
|
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":%s NOTICE %s :*** Notice -- TS for %s changed from %lu to %lu", |
271 |
|
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me.name, chptr->chname, chptr->chname, |
272 |
|
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(unsigned long)oldts, (unsigned long)newts); |
273 |
|
|
} |
274 |
|
|
|
275 |
|
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if (*modebuf != '\0') |
276 |
|
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{ |
277 |
|
|
/* This _SHOULD_ be to ALL_MEMBERS |
278 |
|
|
* It contains only +imnpstlk, etc */ |
279 |
|
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sendto_channel_local(ALL_MEMBERS, NO, chptr, ":%s MODE %s %s %s", |
280 |
|
|
servername, chptr->chname, modebuf, parabuf); |
281 |
|
|
} |
282 |
|
|
|
283 |
|
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if (parv[3][0] != '0' && keep_new_modes) |
284 |
|
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{ |
285 |
|
|
channel_modes(chptr, source_p, modebuf, parabuf); |
286 |
|
|
} |
287 |
|
|
else |
288 |
|
|
{ |
289 |
|
|
modebuf[0] = '0'; |
290 |
|
|
modebuf[1] = '\0'; |
291 |
|
|
} |
292 |
|
|
|
293 |
|
|
buflen = ircsprintf(nick_buf, ":%s SJOIN %lu %s %s %s:", |
294 |
|
|
source_p->name, (unsigned long)tstosend, |
295 |
|
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chptr->chname, modebuf, parabuf); |
296 |
|
|
nick_ptr = nick_buf + buflen; |
297 |
|
|
|
298 |
|
|
buflen = ircsprintf(uid_buf, ":%s SJOIN %lu %s %s %s:", |
299 |
|
|
ID(source_p), (unsigned long)tstosend, |
300 |
|
|
chptr->chname, modebuf, parabuf); |
301 |
|
|
uid_ptr = uid_buf + buflen; |
302 |
|
|
|
303 |
|
|
/* check we can fit a nick on the end, as well as \r\n and a prefix " |
304 |
|
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* @%+", and a space. |
305 |
|
|
*/ |
306 |
|
|
if (buflen >= (IRCD_BUFSIZE - IRCD_MAX(NICKLEN, IDLEN) - 2 - 3 - 1)) |
307 |
|
|
{ |
308 |
|
|
sendto_realops_flags(UMODE_ALL, L_ALL, |
309 |
|
|
"Long SJOIN from server: %s(via %s) (ignored)", |
310 |
|
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source_p->name, client_p->name); |
311 |
|
|
return; |
312 |
|
|
} |
313 |
|
|
|
314 |
|
|
mbuf = modebuf; |
315 |
|
|
sendbuf[0] = '\0'; |
316 |
|
|
pargs = 0; |
317 |
|
|
|
318 |
|
|
*mbuf++ = '+'; |
319 |
|
|
|
320 |
|
|
s = parv[args + 4]; |
321 |
|
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while (*s == ' ') |
322 |
|
|
s++; |
323 |
|
|
if ((p = strchr(s, ' ')) != NULL) |
324 |
|
|
{ |
325 |
|
|
*p++ = '\0'; |
326 |
|
|
while (*p == ' ') |
327 |
|
|
p++; |
328 |
|
|
have_many_nicks = *p; |
329 |
|
|
} |
330 |
|
|
|
331 |
|
|
while (*s) |
332 |
|
|
{ |
333 |
|
|
int valid_mode = YES; |
334 |
|
|
fl = 0; |
335 |
|
|
|
336 |
|
|
do |
337 |
|
|
{ |
338 |
|
|
switch (*s) |
339 |
|
|
{ |
340 |
|
|
case '@': |
341 |
|
|
fl |= CHFL_CHANOP; |
342 |
|
|
s++; |
343 |
|
|
break; |
344 |
|
|
#ifdef HALFOPS |
345 |
|
|
case '%': |
346 |
|
|
fl |= CHFL_HALFOP; |
347 |
|
|
s++; |
348 |
|
|
break; |
349 |
|
|
#endif |
350 |
|
|
case '+': |
351 |
|
|
fl |= CHFL_VOICE; |
352 |
|
|
s++; |
353 |
|
|
break; |
354 |
|
|
default: |
355 |
|
|
valid_mode = NO; |
356 |
|
|
break; |
357 |
|
|
} |
358 |
|
|
} while (valid_mode); |
359 |
|
|
|
360 |
|
|
target_p = find_chasing(client_p, source_p, s, NULL); |
361 |
|
|
|
362 |
|
|
/* |
363 |
|
|
* if the client doesnt exist, or if its fake direction/server, skip. |
364 |
|
|
* we cannot send ERR_NOSUCHNICK here because if its a UID, we cannot |
365 |
|
|
* lookup the nick, and its better to never send the numeric than only |
366 |
|
|
* sometimes. |
367 |
|
|
*/ |
368 |
|
|
if (target_p == NULL || |
369 |
|
|
target_p->from != client_p || |
370 |
|
|
!IsClient(target_p)) |
371 |
|
|
{ |
372 |
|
|
goto nextnick; |
373 |
|
|
} |
374 |
|
|
|
375 |
|
|
len_nick = strlen(target_p->name); |
376 |
|
|
len_uid = strlen(ID(target_p)); |
377 |
|
|
|
378 |
|
|
np = nick_prefix; |
379 |
|
|
up = uid_prefix; |
380 |
|
|
|
381 |
|
|
if (keep_new_modes) |
382 |
|
|
{ |
383 |
|
|
if (fl & CHFL_CHANOP) |
384 |
|
|
{ |
385 |
|
|
*np++ = '@'; |
386 |
|
|
*up++ = '@'; |
387 |
|
|
len_nick++; |
388 |
|
|
len_uid++; |
389 |
|
|
} |
390 |
|
|
#ifdef HALFOPS |
391 |
|
|
if (fl & CHFL_HALFOP) |
392 |
|
|
{ |
393 |
|
|
*np++ = '%'; |
394 |
|
|
*up++ = '%'; |
395 |
|
|
len_nick++; |
396 |
|
|
len_uid++; |
397 |
|
|
} |
398 |
|
|
#endif |
399 |
|
|
if (fl & CHFL_VOICE) |
400 |
|
|
{ |
401 |
|
|
*np++ = '+'; |
402 |
|
|
*up++ = '+'; |
403 |
|
|
len_nick++; |
404 |
|
|
len_uid++; |
405 |
|
|
} |
406 |
|
|
} |
407 |
|
|
else |
408 |
|
|
{ |
409 |
|
|
if (fl & (CHFL_CHANOP|CHFL_HALFOP)) |
410 |
|
|
fl = CHFL_DEOPPED; |
411 |
|
|
else |
412 |
|
|
fl = 0; |
413 |
|
|
} |
414 |
|
|
*np = *up = '\0'; |
415 |
|
|
|
416 |
|
|
if ((nick_ptr - nick_buf + len_nick) > (IRCD_BUFSIZE - 2)) |
417 |
|
|
{ |
418 |
michael |
885 |
sendto_server(client_p, chptr, 0, CAP_TS6, "%s", nick_buf); |
419 |
adx |
30 |
|
420 |
|
|
buflen = ircsprintf(nick_buf, ":%s SJOIN %lu %s %s %s:", |
421 |
|
|
source_p->name, (unsigned long)tstosend, |
422 |
|
|
chptr->chname, modebuf, parabuf); |
423 |
|
|
nick_ptr = nick_buf + buflen; |
424 |
|
|
} |
425 |
michael |
885 |
|
426 |
adx |
30 |
nick_ptr += ircsprintf(nick_ptr, "%s%s ", nick_prefix, target_p->name); |
427 |
|
|
|
428 |
|
|
if ((uid_ptr - uid_buf + len_uid) > (IRCD_BUFSIZE - 2)) |
429 |
|
|
{ |
430 |
michael |
885 |
sendto_server(client_p, chptr, CAP_TS6, 0, "%s", uid_buf); |
431 |
adx |
30 |
|
432 |
|
|
buflen = ircsprintf(uid_buf, ":%s SJOIN %lu %s %s %s:", |
433 |
|
|
ID(source_p), (unsigned long)tstosend, |
434 |
|
|
chptr->chname, modebuf, parabuf); |
435 |
|
|
uid_ptr = uid_buf + buflen; |
436 |
|
|
} |
437 |
|
|
|
438 |
|
|
uid_ptr += ircsprintf(uid_ptr, "%s%s ", uid_prefix, ID(target_p)); |
439 |
|
|
|
440 |
|
|
if (!IsMember(target_p, chptr)) |
441 |
|
|
{ |
442 |
|
|
add_user_to_channel(chptr, target_p, fl, !have_many_nicks); |
443 |
|
|
sendto_channel_local(ALL_MEMBERS, NO, chptr, ":%s!%s@%s JOIN :%s", |
444 |
|
|
target_p->name, target_p->username, |
445 |
|
|
target_p->host, chptr->chname); |
446 |
|
|
} |
447 |
|
|
|
448 |
|
|
if (fl & CHFL_CHANOP) |
449 |
|
|
{ |
450 |
|
|
*mbuf++ = 'o'; |
451 |
|
|
para[pargs++] = target_p->name; |
452 |
|
|
|
453 |
|
|
if (pargs >= MAXMODEPARAMS) |
454 |
|
|
{ |
455 |
|
|
/* |
456 |
|
|
* Ok, the code is now going to "walk" through |
457 |
|
|
* sendbuf, filling in para strings. So, I will use sptr |
458 |
|
|
* to point into the sendbuf. |
459 |
|
|
* Notice, that ircsprintf() returns the number of chars |
460 |
|
|
* successfully inserted into string. |
461 |
|
|
* - Dianora |
462 |
|
|
*/ |
463 |
|
|
|
464 |
|
|
sptr = sendbuf; |
465 |
|
|
*mbuf = '\0'; |
466 |
|
|
for(lcount = 0; lcount < MAXMODEPARAMS; lcount++) |
467 |
|
|
{ |
468 |
|
|
slen = ircsprintf(sptr, " %s", para[lcount]); /* see? */ |
469 |
|
|
sptr += slen; /* ready for next */ |
470 |
|
|
} |
471 |
|
|
sendto_channel_local(ALL_MEMBERS, NO, chptr, ":%s MODE %s %s%s", |
472 |
|
|
servername, chptr->chname, modebuf, sendbuf); |
473 |
|
|
mbuf = modebuf; |
474 |
|
|
*mbuf++ = '+'; |
475 |
|
|
|
476 |
|
|
sendbuf[0] = '\0'; |
477 |
|
|
pargs = 0; |
478 |
|
|
} |
479 |
|
|
} |
480 |
|
|
#ifdef HALFOPS |
481 |
|
|
if (fl & CHFL_HALFOP) |
482 |
|
|
{ |
483 |
|
|
*mbuf++ = 'h'; |
484 |
|
|
para[pargs++] = target_p->name; |
485 |
|
|
|
486 |
|
|
if (pargs >= MAXMODEPARAMS) |
487 |
|
|
{ |
488 |
|
|
sptr = sendbuf; |
489 |
|
|
*mbuf = '\0'; |
490 |
|
|
for(lcount = 0; lcount < MAXMODEPARAMS; lcount++) |
491 |
|
|
{ |
492 |
|
|
slen = ircsprintf(sptr, " %s", para[lcount]); |
493 |
|
|
sptr += slen; |
494 |
|
|
} |
495 |
|
|
sendto_channel_local(ALL_MEMBERS, NO, chptr, ":%s MODE %s %s%s", |
496 |
|
|
servername, chptr->chname, modebuf, sendbuf); |
497 |
|
|
|
498 |
|
|
mbuf = modebuf; |
499 |
|
|
*mbuf++ = '+'; |
500 |
|
|
|
501 |
|
|
sendbuf[0] = '\0'; |
502 |
|
|
pargs = 0; |
503 |
|
|
} |
504 |
|
|
} |
505 |
|
|
#endif |
506 |
|
|
if (fl & CHFL_VOICE) |
507 |
|
|
{ |
508 |
|
|
*mbuf++ = 'v'; |
509 |
|
|
para[pargs++] = target_p->name; |
510 |
|
|
|
511 |
|
|
if (pargs >= MAXMODEPARAMS) |
512 |
|
|
{ |
513 |
|
|
sptr = sendbuf; |
514 |
|
|
*mbuf = '\0'; |
515 |
|
|
for (lcount = 0; lcount < MAXMODEPARAMS; lcount++) |
516 |
|
|
{ |
517 |
|
|
slen = ircsprintf(sptr, " %s", para[lcount]); |
518 |
|
|
sptr += slen; |
519 |
|
|
} |
520 |
|
|
sendto_channel_local(ALL_MEMBERS, NO, chptr, ":%s MODE %s %s%s", |
521 |
|
|
servername, chptr->chname, modebuf, sendbuf); |
522 |
|
|
|
523 |
|
|
mbuf = modebuf; |
524 |
|
|
*mbuf++ = '+'; |
525 |
|
|
|
526 |
|
|
sendbuf[0] = '\0'; |
527 |
|
|
pargs = 0; |
528 |
|
|
} |
529 |
|
|
} |
530 |
|
|
|
531 |
|
|
nextnick: |
532 |
|
|
if ((s = p) == NULL) |
533 |
|
|
break; |
534 |
|
|
while (*s == ' ') |
535 |
|
|
s++; |
536 |
|
|
if ((p = strchr(s, ' ')) != NULL) |
537 |
|
|
{ |
538 |
|
|
*p++ = 0; |
539 |
|
|
while (*p == ' ') |
540 |
|
|
p++; |
541 |
|
|
} |
542 |
|
|
} |
543 |
|
|
|
544 |
|
|
*mbuf = '\0'; |
545 |
|
|
*(nick_ptr - 1) = '\0'; |
546 |
|
|
*(uid_ptr - 1) = '\0'; |
547 |
|
|
|
548 |
|
|
/* |
549 |
|
|
* checking for lcount < MAXMODEPARAMS at this time is wrong |
550 |
|
|
* since the code has already verified above that pargs < MAXMODEPARAMS |
551 |
|
|
* checking for para[lcount] != '\0' is also wrong, since |
552 |
|
|
* there is no place where para[lcount] is set! |
553 |
|
|
* - Dianora |
554 |
|
|
*/ |
555 |
|
|
|
556 |
|
|
if (pargs != 0) |
557 |
|
|
{ |
558 |
|
|
sptr = sendbuf; |
559 |
|
|
|
560 |
|
|
for (lcount = 0; lcount < pargs; lcount++) |
561 |
|
|
{ |
562 |
|
|
slen = ircsprintf(sptr, " %s", para[lcount]); |
563 |
|
|
sptr += slen; |
564 |
|
|
} |
565 |
|
|
|
566 |
|
|
sendto_channel_local(ALL_MEMBERS, NO, chptr, ":%s MODE %s %s%s", |
567 |
|
|
servername, chptr->chname, modebuf, sendbuf); |
568 |
|
|
} |
569 |
|
|
|
570 |
|
|
/* If this happens, its the result of a malformed SJOIN |
571 |
|
|
* a remnant from the old persistent channel code. *sigh* |
572 |
|
|
* Or it could be the result of a client just leaving |
573 |
|
|
* and leaving us with a channel formed just as the client parts. |
574 |
|
|
* - Dianora |
575 |
|
|
*/ |
576 |
|
|
|
577 |
|
|
if ((dlink_list_length(&chptr->members) == 0) && isnew) |
578 |
|
|
{ |
579 |
|
|
destroy_channel(chptr); |
580 |
|
|
return; |
581 |
|
|
} |
582 |
|
|
|
583 |
|
|
if (parv[4 + args][0] == '\0') |
584 |
|
|
return; |
585 |
|
|
|
586 |
|
|
/* relay the SJOIN to other servers */ |
587 |
|
|
DLINK_FOREACH(m, serv_list.head) |
588 |
|
|
{ |
589 |
|
|
target_p = m->data; |
590 |
|
|
|
591 |
|
|
if (target_p == client_p) |
592 |
|
|
continue; |
593 |
|
|
|
594 |
|
|
if (IsCapable(target_p, CAP_TS6)) |
595 |
|
|
sendto_one(target_p, "%s", uid_buf); |
596 |
|
|
else |
597 |
|
|
sendto_one(target_p, "%s", nick_buf); |
598 |
|
|
} |
599 |
|
|
|
600 |
|
|
if (HasID(source_p) && !keep_our_modes) |
601 |
|
|
{ |
602 |
|
|
if (dlink_list_length(&chptr->banlist) > 0) |
603 |
|
|
remove_ban_list(chptr, client_p, &chptr->banlist, |
604 |
|
|
'b', NOCAPS); |
605 |
|
|
|
606 |
|
|
if (dlink_list_length(&chptr->exceptlist) > 0) |
607 |
|
|
remove_ban_list(chptr, client_p, &chptr->exceptlist, |
608 |
|
|
'e', CAP_EX); |
609 |
|
|
|
610 |
|
|
if (dlink_list_length(&chptr->invexlist) > 0) |
611 |
|
|
remove_ban_list(chptr, client_p, &chptr->invexlist, |
612 |
|
|
'I', CAP_IE); |
613 |
|
|
clear_ban_cache(chptr); |
614 |
|
|
} |
615 |
|
|
} |
616 |
|
|
|
617 |
|
|
/* set_final_mode |
618 |
|
|
* |
619 |
|
|
* inputs - channel mode |
620 |
|
|
* - old channel mode |
621 |
|
|
* output - NONE |
622 |
|
|
* side effects - walk through all the channel modes turning off modes |
623 |
|
|
* that were on in oldmode but aren't on in mode. |
624 |
|
|
* Then walk through turning on modes that are on in mode |
625 |
|
|
* but were not set in oldmode. |
626 |
|
|
*/ |
627 |
|
|
|
628 |
|
|
static const struct mode_letter |
629 |
|
|
{ |
630 |
|
|
unsigned int mode; |
631 |
|
|
unsigned char letter; |
632 |
|
|
} flags[] = { |
633 |
|
|
{ MODE_NOPRIVMSGS, 'n' }, |
634 |
|
|
{ MODE_TOPICLIMIT, 't' }, |
635 |
|
|
{ MODE_SECRET, 's' }, |
636 |
|
|
{ MODE_MODERATED, 'm' }, |
637 |
|
|
{ MODE_INVITEONLY, 'i' }, |
638 |
|
|
{ MODE_PRIVATE, 'p' }, |
639 |
|
|
{ 0, '\0' } |
640 |
|
|
}; |
641 |
|
|
|
642 |
|
|
static void |
643 |
|
|
set_final_mode(struct Mode *mode, struct Mode *oldmode) |
644 |
|
|
{ |
645 |
|
|
char *pbuf = parabuf; |
646 |
|
|
int len; |
647 |
|
|
int i; |
648 |
|
|
|
649 |
|
|
*mbuf++ = '-'; |
650 |
|
|
|
651 |
|
|
for (i = 0; flags[i].letter; i++) |
652 |
|
|
{ |
653 |
|
|
if ((flags[i].mode & oldmode->mode) && |
654 |
|
|
!(flags[i].mode & mode->mode)) |
655 |
|
|
*mbuf++ = flags[i].letter; |
656 |
|
|
} |
657 |
|
|
|
658 |
|
|
if (oldmode->limit != 0 && mode->limit == 0) |
659 |
|
|
*mbuf++ = 'l'; |
660 |
|
|
|
661 |
|
|
if (oldmode->key[0] && !mode->key[0]) |
662 |
|
|
{ |
663 |
|
|
*mbuf++ = 'k'; |
664 |
|
|
len = ircsprintf(pbuf, "%s ", oldmode->key); |
665 |
|
|
pbuf += len; |
666 |
|
|
pargs++; |
667 |
|
|
} |
668 |
|
|
|
669 |
|
|
if (*(mbuf-1) == '-') |
670 |
|
|
*(mbuf-1) = '+'; |
671 |
|
|
else |
672 |
|
|
*mbuf++ = '+'; |
673 |
|
|
|
674 |
|
|
for (i = 0; flags[i].letter; i++) |
675 |
|
|
{ |
676 |
|
|
if ((flags[i].mode & mode->mode) && |
677 |
|
|
!(flags[i].mode & oldmode->mode)) |
678 |
|
|
*mbuf++ = flags[i].letter; |
679 |
|
|
} |
680 |
|
|
|
681 |
|
|
if (mode->limit != 0 && oldmode->limit != mode->limit) |
682 |
|
|
{ |
683 |
|
|
*mbuf++ = 'l'; |
684 |
|
|
len = ircsprintf(pbuf, "%d ", mode->limit); |
685 |
|
|
pbuf += len; |
686 |
|
|
pargs++; |
687 |
|
|
} |
688 |
|
|
|
689 |
|
|
if (mode->key[0] && strcmp(oldmode->key, mode->key)) |
690 |
|
|
{ |
691 |
|
|
*mbuf++ = 'k'; |
692 |
|
|
len = ircsprintf(pbuf, "%s ", mode->key); |
693 |
|
|
pbuf += len; |
694 |
|
|
pargs++; |
695 |
|
|
} |
696 |
|
|
if (*(mbuf-1) == '+') |
697 |
|
|
*(mbuf-1) = '\0'; |
698 |
|
|
else |
699 |
|
|
*mbuf = '\0'; |
700 |
|
|
} |
701 |
|
|
|
702 |
|
|
/* remove_our_modes() |
703 |
|
|
* |
704 |
|
|
* inputs - pointer to channel to remove modes from |
705 |
|
|
* - client pointer |
706 |
|
|
* output - NONE |
707 |
|
|
* side effects - Go through the local members, remove all their |
708 |
|
|
* chanop modes etc., this side lost the TS. |
709 |
|
|
*/ |
710 |
|
|
static void |
711 |
|
|
remove_our_modes(struct Channel *chptr, struct Client *source_p) |
712 |
|
|
{ |
713 |
|
|
remove_a_mode(chptr, source_p, CHFL_CHANOP, 'o'); |
714 |
|
|
#ifdef HALFOPS |
715 |
|
|
remove_a_mode(chptr, source_p, CHFL_HALFOP, 'h'); |
716 |
|
|
#endif |
717 |
|
|
remove_a_mode(chptr, source_p, CHFL_VOICE, 'v'); |
718 |
|
|
} |
719 |
|
|
|
720 |
|
|
/* remove_a_mode() |
721 |
|
|
* |
722 |
|
|
* inputs - pointer to channel |
723 |
|
|
* - server or client removing the mode |
724 |
|
|
* - mask o/h/v mask to be removed |
725 |
|
|
* - flag o/h/v to be removed |
726 |
|
|
* output - NONE |
727 |
|
|
* side effects - remove ONE mode from all members of a channel |
728 |
|
|
*/ |
729 |
|
|
static void |
730 |
|
|
remove_a_mode(struct Channel *chptr, struct Client *source_p, |
731 |
|
|
int mask, char flag) |
732 |
|
|
{ |
733 |
|
|
dlink_node *ptr; |
734 |
|
|
struct Membership *ms; |
735 |
|
|
char lmodebuf[MODEBUFLEN]; |
736 |
|
|
char *sp=sendbuf; |
737 |
|
|
const char *lpara[MAXMODEPARAMS]; |
738 |
|
|
int count = 0; |
739 |
|
|
int i; |
740 |
|
|
int l; |
741 |
|
|
|
742 |
|
|
mbuf = lmodebuf; |
743 |
|
|
*mbuf++ = '-'; |
744 |
|
|
*sp = '\0'; |
745 |
|
|
|
746 |
|
|
DLINK_FOREACH(ptr, chptr->members.head) |
747 |
|
|
{ |
748 |
|
|
ms = ptr->data; |
749 |
|
|
|
750 |
|
|
if ((ms->flags & mask) == 0) |
751 |
|
|
continue; |
752 |
|
|
|
753 |
|
|
ms->flags &= ~mask; |
754 |
|
|
|
755 |
|
|
lpara[count++] = ms->client_p->name; |
756 |
|
|
|
757 |
|
|
*mbuf++ = flag; |
758 |
|
|
|
759 |
|
|
if (count >= MAXMODEPARAMS) |
760 |
|
|
{ |
761 |
|
|
for(i = 0; i < MAXMODEPARAMS; i++) |
762 |
|
|
{ |
763 |
|
|
l = ircsprintf(sp, " %s", lpara[i]); |
764 |
|
|
sp += l; |
765 |
|
|
} |
766 |
|
|
|
767 |
|
|
*mbuf = '\0'; |
768 |
|
|
sendto_channel_local(ALL_MEMBERS, NO, chptr, |
769 |
|
|
":%s MODE %s %s%s", |
770 |
|
|
(IsHidden(source_p) || |
771 |
|
|
ConfigServerHide.hide_servers) ? |
772 |
|
|
me.name : source_p->name, |
773 |
|
|
chptr->chname, lmodebuf, sendbuf); |
774 |
|
|
mbuf = lmodebuf; |
775 |
|
|
*mbuf++ = '-'; |
776 |
|
|
count = 0; |
777 |
|
|
sp = sendbuf; |
778 |
|
|
*sp = '\0'; |
779 |
|
|
} |
780 |
|
|
} |
781 |
|
|
|
782 |
|
|
if (count != 0) |
783 |
|
|
{ |
784 |
|
|
*mbuf = '\0'; |
785 |
|
|
for(i = 0; i < count; i++) |
786 |
|
|
{ |
787 |
|
|
l = ircsprintf(sp, " %s", lpara[i]); |
788 |
|
|
sp += l; |
789 |
|
|
} |
790 |
|
|
sendto_channel_local(ALL_MEMBERS, NO, chptr, |
791 |
|
|
":%s MODE %s %s%s", |
792 |
|
|
(IsHidden(source_p) || ConfigServerHide.hide_servers) ? |
793 |
|
|
me.name : source_p->name, |
794 |
|
|
chptr->chname, lmodebuf, sendbuf); |
795 |
|
|
} |
796 |
|
|
} |
797 |
|
|
|
798 |
|
|
/* remove_ban_list() |
799 |
|
|
* |
800 |
|
|
* inputs - channel, source, list to remove, char of mode, caps required |
801 |
|
|
* outputs - none |
802 |
|
|
* side effects - given ban list is removed, modes are sent to local clients and |
803 |
|
|
* non-ts6 servers linked through another uplink other than source_p |
804 |
|
|
*/ |
805 |
|
|
static void |
806 |
|
|
remove_ban_list(struct Channel *chptr, struct Client *source_p, |
807 |
|
|
dlink_list *list, char c, int cap) |
808 |
|
|
{ |
809 |
|
|
char lmodebuf[MODEBUFLEN]; |
810 |
|
|
char lparabuf[IRCD_BUFSIZE]; |
811 |
|
|
struct Ban *banptr = NULL; |
812 |
|
|
dlink_node *ptr = NULL; |
813 |
|
|
dlink_node *next_ptr = NULL; |
814 |
|
|
char *pbuf = NULL; |
815 |
|
|
int count = 0; |
816 |
|
|
int cur_len, mlen, plen; |
817 |
|
|
|
818 |
|
|
pbuf = lparabuf; |
819 |
|
|
|
820 |
|
|
cur_len = mlen = ircsprintf(lmodebuf, ":%s MODE %s -", |
821 |
|
|
source_p->name, chptr->chname); |
822 |
|
|
mbuf = lmodebuf + mlen; |
823 |
|
|
|
824 |
|
|
DLINK_FOREACH_SAFE(ptr, next_ptr, list->head) |
825 |
|
|
{ |
826 |
|
|
banptr = ptr->data; |
827 |
|
|
|
828 |
|
|
plen = banptr->len + 4; /* another +b and "!@ " */ |
829 |
|
|
if (count >= MAXMODEPARAMS || |
830 |
|
|
(cur_len + 1 /* space between */ + (plen - 1)) > IRCD_BUFSIZE - 2) |
831 |
|
|
{ |
832 |
|
|
/* NUL-terminate and remove trailing space */ |
833 |
|
|
*mbuf = *(pbuf - 1) = '\0'; |
834 |
|
|
sendto_channel_local(ALL_MEMBERS, NO, chptr, "%s %s", |
835 |
|
|
lmodebuf, lparabuf); |
836 |
michael |
885 |
sendto_server(source_p, chptr, cap, CAP_TS6, |
837 |
adx |
30 |
"%s %s", lmodebuf, lparabuf); |
838 |
|
|
|
839 |
|
|
cur_len = mlen; |
840 |
|
|
mbuf = lmodebuf + mlen; |
841 |
|
|
pbuf = lparabuf; |
842 |
|
|
count = 0; |
843 |
|
|
} |
844 |
|
|
|
845 |
|
|
*mbuf++ = c; |
846 |
|
|
cur_len += plen; |
847 |
|
|
pbuf += ircsprintf(pbuf, "%s!%s@%s ", banptr->name, banptr->username, |
848 |
|
|
banptr->host); |
849 |
|
|
++count; |
850 |
|
|
|
851 |
|
|
remove_ban(banptr, list); |
852 |
|
|
} |
853 |
|
|
|
854 |
|
|
*mbuf = *(pbuf - 1) = '\0'; |
855 |
|
|
sendto_channel_local(ALL_MEMBERS, NO, chptr, "%s %s", lmodebuf, lparabuf); |
856 |
michael |
885 |
sendto_server(source_p, chptr, cap, CAP_TS6, |
857 |
adx |
30 |
"%s %s", lmodebuf, lparabuf); |
858 |
|
|
} |