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 |
michael |
1178 |
"SJOIN", 0, 0, 0, MAXPARA, MFLG_SLOW, 0, |
48 |
adx |
30 |
{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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void |
52 |
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_modinit(void) |
53 |
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{ |
54 |
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mod_add_cmd(&sjoin_msgtab); |
55 |
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} |
56 |
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57 |
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void |
58 |
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_moddeinit(void) |
59 |
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{ |
60 |
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mod_del_cmd(&sjoin_msgtab); |
61 |
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} |
62 |
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63 |
knight |
31 |
const char *_version = "$Revision$"; |
64 |
adx |
30 |
|
65 |
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static char modebuf[MODEBUFLEN]; |
66 |
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static char parabuf[MODEBUFLEN]; |
67 |
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static char sendbuf[MODEBUFLEN]; |
68 |
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static const char *para[MAXMODEPARAMS]; |
69 |
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static char *mbuf; |
70 |
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static int pargs; |
71 |
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72 |
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static void set_final_mode(struct Mode *, struct Mode *); |
73 |
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static void remove_our_modes(struct Channel *, struct Client *); |
74 |
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static void remove_a_mode(struct Channel *, struct Client *, int, char); |
75 |
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static void remove_ban_list(struct Channel *, struct Client *, dlink_list *, char, int); |
76 |
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77 |
michael |
885 |
|
78 |
adx |
30 |
/* ms_sjoin() |
79 |
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* |
80 |
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* parv[0] - sender |
81 |
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* parv[1] - TS |
82 |
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* parv[2] - channel |
83 |
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* parv[3] - modes + n arguments (key and/or limit) |
84 |
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* parv[4+n] - flags+nick list (all in one parameter) |
85 |
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* |
86 |
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* process a SJOIN, taking the TS's into account to either ignore the |
87 |
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* incoming modes or undo the existing ones or merge them, and JOIN |
88 |
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* all the specified users while sending JOIN/MODEs to local clients |
89 |
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*/ |
90 |
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static void |
91 |
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ms_sjoin(struct Client *client_p, struct Client *source_p, |
92 |
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int parc, char *parv[]) |
93 |
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{ |
94 |
michael |
632 |
struct Channel *chptr = NULL; |
95 |
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struct Client *target_p = NULL; |
96 |
adx |
30 |
time_t newts; |
97 |
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time_t oldts; |
98 |
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time_t tstosend; |
99 |
michael |
632 |
struct Mode mode, *oldmode; |
100 |
adx |
30 |
int args = 0; |
101 |
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char keep_our_modes = YES; |
102 |
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char keep_new_modes = YES; |
103 |
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char have_many_nicks = NO; |
104 |
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int lcount; |
105 |
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char nick_prefix[4]; |
106 |
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char uid_prefix[4]; |
107 |
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char *np, *up; |
108 |
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int len_nick = 0; |
109 |
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int len_uid = 0; |
110 |
michael |
632 |
int isnew = 0; |
111 |
adx |
30 |
int buflen = 0; |
112 |
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int slen; |
113 |
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unsigned int fl; |
114 |
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char *s; |
115 |
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char *sptr; |
116 |
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char nick_buf[IRCD_BUFSIZE]; /* buffer for modes and prefix */ |
117 |
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char uid_buf[IRCD_BUFSIZE]; /* buffer for modes/prefixes for CAP_TS6 servers */ |
118 |
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char *nick_ptr, *uid_ptr; /* pointers used for making the two mode/prefix buffers */ |
119 |
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char *p; /* pointer used making sjbuf */ |
120 |
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dlink_node *m; |
121 |
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const char *servername = (ConfigServerHide.hide_servers || IsHidden(source_p)) ? |
122 |
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me.name : source_p->name; |
123 |
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124 |
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if (IsClient(source_p) || parc < 5) |
125 |
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return; |
126 |
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127 |
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/* SJOIN's for local channels can't happen. */ |
128 |
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if (*parv[2] != '#') |
129 |
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return; |
130 |
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131 |
michael |
632 |
if (!check_channel_name(parv[2], 0)) |
132 |
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{ |
133 |
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sendto_realops_flags(UMODE_DEBUG, L_ALL, |
134 |
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"*** Too long or invalid channel name from %s: %s", |
135 |
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client_p->name, parv[2]); |
136 |
adx |
30 |
return; |
137 |
michael |
632 |
} |
138 |
adx |
30 |
|
139 |
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modebuf[0] = '\0'; |
140 |
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mbuf = modebuf; |
141 |
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pargs = 0; |
142 |
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newts = atol(parv[1]); |
143 |
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144 |
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mode.mode = 0; |
145 |
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mode.limit = 0; |
146 |
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mode.key[0] = '\0'; |
147 |
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148 |
michael |
632 |
for (s = parv[3]; *s; ++s) |
149 |
adx |
30 |
{ |
150 |
michael |
632 |
switch (*s) |
151 |
adx |
30 |
{ |
152 |
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case 't': |
153 |
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mode.mode |= MODE_TOPICLIMIT; |
154 |
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break; |
155 |
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case 'n': |
156 |
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mode.mode |= MODE_NOPRIVMSGS; |
157 |
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break; |
158 |
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case 's': |
159 |
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mode.mode |= MODE_SECRET; |
160 |
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break; |
161 |
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case 'm': |
162 |
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mode.mode |= MODE_MODERATED; |
163 |
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break; |
164 |
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case 'i': |
165 |
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mode.mode |= MODE_INVITEONLY; |
166 |
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break; |
167 |
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case 'p': |
168 |
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mode.mode |= MODE_PRIVATE; |
169 |
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break; |
170 |
michael |
1167 |
case 'r': |
171 |
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mode.mode |= MODE_REGISTERED; |
172 |
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break; |
173 |
michael |
1150 |
case 'O': |
174 |
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mode.mode |= MODE_OPERONLY; |
175 |
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break; |
176 |
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case 'S': |
177 |
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mode.mode |= MODE_SSLONLY; |
178 |
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break; |
179 |
adx |
30 |
case 'k': |
180 |
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strlcpy(mode.key, parv[4 + args], sizeof(mode.key)); |
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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case 'l': |
187 |
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mode.limit = atoi(parv[4 + args]); |
188 |
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args++; |
189 |
michael |
632 |
|
190 |
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if (parc < 5 + args) |
191 |
adx |
30 |
return; |
192 |
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break; |
193 |
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} |
194 |
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} |
195 |
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196 |
michael |
632 |
if ((chptr = hash_find_channel(parv[2])) == NULL) |
197 |
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{ |
198 |
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isnew = 1; |
199 |
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chptr = make_channel(parv[2]); |
200 |
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} |
201 |
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202 |
adx |
30 |
parabuf[0] = '\0'; |
203 |
michael |
632 |
oldts = chptr->channelts; |
204 |
adx |
30 |
oldmode = &chptr->mode; |
205 |
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206 |
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if (ConfigFileEntry.ignore_bogus_ts) |
207 |
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{ |
208 |
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if (newts < 800000000) |
209 |
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{ |
210 |
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sendto_realops_flags(UMODE_DEBUG, L_ALL, |
211 |
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"*** Bogus TS %lu on %s ignored from %s", |
212 |
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(unsigned long)newts, chptr->chname, |
213 |
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client_p->name); |
214 |
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215 |
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newts = (oldts == 0) ? 0 : 800000000; |
216 |
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} |
217 |
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} |
218 |
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else |
219 |
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{ |
220 |
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if (!newts && !isnew && oldts) |
221 |
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{ |
222 |
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sendto_channel_local(ALL_MEMBERS, NO, chptr, |
223 |
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":%s NOTICE %s :*** Notice -- TS for %s changed from %lu to 0", |
224 |
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me.name, chptr->chname, chptr->chname, (unsigned long)oldts); |
225 |
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sendto_realops_flags(UMODE_ALL, L_ALL, |
226 |
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"Server %s changing TS on %s from %lu to 0", |
227 |
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source_p->name, chptr->chname, (unsigned long)oldts); |
228 |
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} |
229 |
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} |
230 |
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231 |
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if (isnew) |
232 |
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chptr->channelts = tstosend = newts; |
233 |
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else if (newts == 0 || oldts == 0) |
234 |
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chptr->channelts = tstosend = 0; |
235 |
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else if (newts == oldts) |
236 |
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tstosend = oldts; |
237 |
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else if (newts < oldts) |
238 |
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{ |
239 |
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keep_our_modes = NO; |
240 |
|
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chptr->channelts = tstosend = newts; |
241 |
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} |
242 |
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else |
243 |
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{ |
244 |
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keep_new_modes = NO; |
245 |
|
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tstosend = oldts; |
246 |
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} |
247 |
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|
248 |
|
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if (!keep_new_modes) |
249 |
|
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mode = *oldmode; |
250 |
|
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else if (keep_our_modes) |
251 |
|
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{ |
252 |
|
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mode.mode |= oldmode->mode; |
253 |
|
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if (oldmode->limit > mode.limit) |
254 |
|
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mode.limit = oldmode->limit; |
255 |
|
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if (strcmp(mode.key, oldmode->key) < 0) |
256 |
|
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strcpy(mode.key, oldmode->key); |
257 |
|
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} |
258 |
|
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set_final_mode(&mode, oldmode); |
259 |
|
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chptr->mode = mode; |
260 |
|
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|
261 |
|
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/* Lost the TS, other side wins, so remove modes on this side */ |
262 |
|
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if (!keep_our_modes) |
263 |
|
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{ |
264 |
|
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remove_our_modes(chptr, source_p); |
265 |
michael |
873 |
|
266 |
|
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if (chptr->topic) |
267 |
|
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{ |
268 |
|
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set_channel_topic(chptr, NULL, NULL, 0); |
269 |
|
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chptr->topic_time = 0; |
270 |
|
|
sendto_channel_local(ALL_MEMBERS, NO, chptr, ":%s TOPIC %s :", |
271 |
|
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(IsHidden(source_p) || |
272 |
|
|
ConfigServerHide.hide_servers) ? |
273 |
|
|
me.name : source_p->name, chptr->chname); |
274 |
|
|
} |
275 |
|
|
|
276 |
adx |
30 |
sendto_channel_local(ALL_MEMBERS, NO, chptr, |
277 |
|
|
":%s NOTICE %s :*** Notice -- TS for %s changed from %lu to %lu", |
278 |
|
|
me.name, chptr->chname, chptr->chname, |
279 |
|
|
(unsigned long)oldts, (unsigned long)newts); |
280 |
|
|
} |
281 |
|
|
|
282 |
|
|
if (*modebuf != '\0') |
283 |
|
|
{ |
284 |
|
|
/* This _SHOULD_ be to ALL_MEMBERS |
285 |
|
|
* It contains only +imnpstlk, etc */ |
286 |
|
|
sendto_channel_local(ALL_MEMBERS, NO, chptr, ":%s MODE %s %s %s", |
287 |
|
|
servername, chptr->chname, modebuf, parabuf); |
288 |
|
|
} |
289 |
|
|
|
290 |
|
|
if (parv[3][0] != '0' && keep_new_modes) |
291 |
|
|
{ |
292 |
|
|
channel_modes(chptr, source_p, modebuf, parabuf); |
293 |
|
|
} |
294 |
|
|
else |
295 |
|
|
{ |
296 |
|
|
modebuf[0] = '0'; |
297 |
|
|
modebuf[1] = '\0'; |
298 |
|
|
} |
299 |
|
|
|
300 |
|
|
buflen = ircsprintf(nick_buf, ":%s SJOIN %lu %s %s %s:", |
301 |
|
|
source_p->name, (unsigned long)tstosend, |
302 |
|
|
chptr->chname, modebuf, parabuf); |
303 |
|
|
nick_ptr = nick_buf + buflen; |
304 |
|
|
|
305 |
|
|
buflen = ircsprintf(uid_buf, ":%s SJOIN %lu %s %s %s:", |
306 |
|
|
ID(source_p), (unsigned long)tstosend, |
307 |
|
|
chptr->chname, modebuf, parabuf); |
308 |
|
|
uid_ptr = uid_buf + buflen; |
309 |
|
|
|
310 |
|
|
/* check we can fit a nick on the end, as well as \r\n and a prefix " |
311 |
|
|
* @%+", and a space. |
312 |
|
|
*/ |
313 |
|
|
if (buflen >= (IRCD_BUFSIZE - IRCD_MAX(NICKLEN, IDLEN) - 2 - 3 - 1)) |
314 |
|
|
{ |
315 |
|
|
sendto_realops_flags(UMODE_ALL, L_ALL, |
316 |
|
|
"Long SJOIN from server: %s(via %s) (ignored)", |
317 |
|
|
source_p->name, client_p->name); |
318 |
|
|
return; |
319 |
|
|
} |
320 |
|
|
|
321 |
|
|
mbuf = modebuf; |
322 |
|
|
sendbuf[0] = '\0'; |
323 |
|
|
pargs = 0; |
324 |
|
|
|
325 |
|
|
*mbuf++ = '+'; |
326 |
|
|
|
327 |
|
|
s = parv[args + 4]; |
328 |
|
|
while (*s == ' ') |
329 |
|
|
s++; |
330 |
|
|
if ((p = strchr(s, ' ')) != NULL) |
331 |
|
|
{ |
332 |
|
|
*p++ = '\0'; |
333 |
|
|
while (*p == ' ') |
334 |
|
|
p++; |
335 |
|
|
have_many_nicks = *p; |
336 |
|
|
} |
337 |
|
|
|
338 |
|
|
while (*s) |
339 |
|
|
{ |
340 |
|
|
int valid_mode = YES; |
341 |
|
|
fl = 0; |
342 |
|
|
|
343 |
|
|
do |
344 |
|
|
{ |
345 |
|
|
switch (*s) |
346 |
|
|
{ |
347 |
|
|
case '@': |
348 |
|
|
fl |= CHFL_CHANOP; |
349 |
|
|
s++; |
350 |
|
|
break; |
351 |
|
|
#ifdef HALFOPS |
352 |
|
|
case '%': |
353 |
|
|
fl |= CHFL_HALFOP; |
354 |
|
|
s++; |
355 |
|
|
break; |
356 |
|
|
#endif |
357 |
|
|
case '+': |
358 |
|
|
fl |= CHFL_VOICE; |
359 |
|
|
s++; |
360 |
|
|
break; |
361 |
|
|
default: |
362 |
|
|
valid_mode = NO; |
363 |
|
|
break; |
364 |
|
|
} |
365 |
|
|
} while (valid_mode); |
366 |
|
|
|
367 |
|
|
target_p = find_chasing(client_p, source_p, s, NULL); |
368 |
|
|
|
369 |
|
|
/* |
370 |
|
|
* if the client doesnt exist, or if its fake direction/server, skip. |
371 |
|
|
* we cannot send ERR_NOSUCHNICK here because if its a UID, we cannot |
372 |
|
|
* lookup the nick, and its better to never send the numeric than only |
373 |
|
|
* sometimes. |
374 |
|
|
*/ |
375 |
|
|
if (target_p == NULL || |
376 |
|
|
target_p->from != client_p || |
377 |
|
|
!IsClient(target_p)) |
378 |
|
|
{ |
379 |
|
|
goto nextnick; |
380 |
|
|
} |
381 |
|
|
|
382 |
|
|
len_nick = strlen(target_p->name); |
383 |
|
|
len_uid = strlen(ID(target_p)); |
384 |
|
|
|
385 |
|
|
np = nick_prefix; |
386 |
|
|
up = uid_prefix; |
387 |
|
|
|
388 |
|
|
if (keep_new_modes) |
389 |
|
|
{ |
390 |
|
|
if (fl & CHFL_CHANOP) |
391 |
|
|
{ |
392 |
|
|
*np++ = '@'; |
393 |
|
|
*up++ = '@'; |
394 |
|
|
len_nick++; |
395 |
|
|
len_uid++; |
396 |
|
|
} |
397 |
|
|
#ifdef HALFOPS |
398 |
|
|
if (fl & CHFL_HALFOP) |
399 |
|
|
{ |
400 |
|
|
*np++ = '%'; |
401 |
|
|
*up++ = '%'; |
402 |
|
|
len_nick++; |
403 |
|
|
len_uid++; |
404 |
|
|
} |
405 |
|
|
#endif |
406 |
|
|
if (fl & CHFL_VOICE) |
407 |
|
|
{ |
408 |
|
|
*np++ = '+'; |
409 |
|
|
*up++ = '+'; |
410 |
|
|
len_nick++; |
411 |
|
|
len_uid++; |
412 |
|
|
} |
413 |
|
|
} |
414 |
|
|
else |
415 |
|
|
{ |
416 |
|
|
if (fl & (CHFL_CHANOP|CHFL_HALFOP)) |
417 |
|
|
fl = CHFL_DEOPPED; |
418 |
|
|
else |
419 |
|
|
fl = 0; |
420 |
|
|
} |
421 |
|
|
*np = *up = '\0'; |
422 |
|
|
|
423 |
|
|
if ((nick_ptr - nick_buf + len_nick) > (IRCD_BUFSIZE - 2)) |
424 |
|
|
{ |
425 |
michael |
885 |
sendto_server(client_p, chptr, 0, CAP_TS6, "%s", nick_buf); |
426 |
adx |
30 |
|
427 |
|
|
buflen = ircsprintf(nick_buf, ":%s SJOIN %lu %s %s %s:", |
428 |
|
|
source_p->name, (unsigned long)tstosend, |
429 |
|
|
chptr->chname, modebuf, parabuf); |
430 |
|
|
nick_ptr = nick_buf + buflen; |
431 |
|
|
} |
432 |
michael |
885 |
|
433 |
adx |
30 |
nick_ptr += ircsprintf(nick_ptr, "%s%s ", nick_prefix, target_p->name); |
434 |
|
|
|
435 |
|
|
if ((uid_ptr - uid_buf + len_uid) > (IRCD_BUFSIZE - 2)) |
436 |
|
|
{ |
437 |
michael |
885 |
sendto_server(client_p, chptr, CAP_TS6, 0, "%s", uid_buf); |
438 |
adx |
30 |
|
439 |
|
|
buflen = ircsprintf(uid_buf, ":%s SJOIN %lu %s %s %s:", |
440 |
|
|
ID(source_p), (unsigned long)tstosend, |
441 |
|
|
chptr->chname, modebuf, parabuf); |
442 |
|
|
uid_ptr = uid_buf + buflen; |
443 |
|
|
} |
444 |
|
|
|
445 |
|
|
uid_ptr += ircsprintf(uid_ptr, "%s%s ", uid_prefix, ID(target_p)); |
446 |
|
|
|
447 |
|
|
if (!IsMember(target_p, chptr)) |
448 |
|
|
{ |
449 |
|
|
add_user_to_channel(chptr, target_p, fl, !have_many_nicks); |
450 |
|
|
sendto_channel_local(ALL_MEMBERS, NO, chptr, ":%s!%s@%s JOIN :%s", |
451 |
|
|
target_p->name, target_p->username, |
452 |
|
|
target_p->host, chptr->chname); |
453 |
|
|
} |
454 |
|
|
|
455 |
|
|
if (fl & CHFL_CHANOP) |
456 |
|
|
{ |
457 |
|
|
*mbuf++ = 'o'; |
458 |
|
|
para[pargs++] = target_p->name; |
459 |
|
|
|
460 |
|
|
if (pargs >= MAXMODEPARAMS) |
461 |
|
|
{ |
462 |
|
|
/* |
463 |
|
|
* Ok, the code is now going to "walk" through |
464 |
|
|
* sendbuf, filling in para strings. So, I will use sptr |
465 |
|
|
* to point into the sendbuf. |
466 |
|
|
* Notice, that ircsprintf() returns the number of chars |
467 |
|
|
* successfully inserted into string. |
468 |
|
|
* - Dianora |
469 |
|
|
*/ |
470 |
|
|
|
471 |
|
|
sptr = sendbuf; |
472 |
|
|
*mbuf = '\0'; |
473 |
|
|
for(lcount = 0; lcount < MAXMODEPARAMS; lcount++) |
474 |
|
|
{ |
475 |
|
|
slen = ircsprintf(sptr, " %s", para[lcount]); /* see? */ |
476 |
|
|
sptr += slen; /* ready for next */ |
477 |
|
|
} |
478 |
|
|
sendto_channel_local(ALL_MEMBERS, NO, chptr, ":%s MODE %s %s%s", |
479 |
|
|
servername, chptr->chname, modebuf, sendbuf); |
480 |
|
|
mbuf = modebuf; |
481 |
|
|
*mbuf++ = '+'; |
482 |
|
|
|
483 |
|
|
sendbuf[0] = '\0'; |
484 |
|
|
pargs = 0; |
485 |
|
|
} |
486 |
|
|
} |
487 |
|
|
#ifdef HALFOPS |
488 |
|
|
if (fl & CHFL_HALFOP) |
489 |
|
|
{ |
490 |
|
|
*mbuf++ = 'h'; |
491 |
|
|
para[pargs++] = target_p->name; |
492 |
|
|
|
493 |
|
|
if (pargs >= MAXMODEPARAMS) |
494 |
|
|
{ |
495 |
|
|
sptr = sendbuf; |
496 |
|
|
*mbuf = '\0'; |
497 |
|
|
for(lcount = 0; lcount < MAXMODEPARAMS; lcount++) |
498 |
|
|
{ |
499 |
|
|
slen = ircsprintf(sptr, " %s", para[lcount]); |
500 |
|
|
sptr += slen; |
501 |
|
|
} |
502 |
|
|
sendto_channel_local(ALL_MEMBERS, NO, chptr, ":%s MODE %s %s%s", |
503 |
|
|
servername, chptr->chname, modebuf, sendbuf); |
504 |
|
|
|
505 |
|
|
mbuf = modebuf; |
506 |
|
|
*mbuf++ = '+'; |
507 |
|
|
|
508 |
|
|
sendbuf[0] = '\0'; |
509 |
|
|
pargs = 0; |
510 |
|
|
} |
511 |
|
|
} |
512 |
|
|
#endif |
513 |
|
|
if (fl & CHFL_VOICE) |
514 |
|
|
{ |
515 |
|
|
*mbuf++ = 'v'; |
516 |
|
|
para[pargs++] = target_p->name; |
517 |
|
|
|
518 |
|
|
if (pargs >= MAXMODEPARAMS) |
519 |
|
|
{ |
520 |
|
|
sptr = sendbuf; |
521 |
|
|
*mbuf = '\0'; |
522 |
|
|
for (lcount = 0; lcount < MAXMODEPARAMS; lcount++) |
523 |
|
|
{ |
524 |
|
|
slen = ircsprintf(sptr, " %s", para[lcount]); |
525 |
|
|
sptr += slen; |
526 |
|
|
} |
527 |
|
|
sendto_channel_local(ALL_MEMBERS, NO, chptr, ":%s MODE %s %s%s", |
528 |
|
|
servername, chptr->chname, modebuf, sendbuf); |
529 |
|
|
|
530 |
|
|
mbuf = modebuf; |
531 |
|
|
*mbuf++ = '+'; |
532 |
|
|
|
533 |
|
|
sendbuf[0] = '\0'; |
534 |
|
|
pargs = 0; |
535 |
|
|
} |
536 |
|
|
} |
537 |
|
|
|
538 |
|
|
nextnick: |
539 |
|
|
if ((s = p) == NULL) |
540 |
|
|
break; |
541 |
|
|
while (*s == ' ') |
542 |
|
|
s++; |
543 |
|
|
if ((p = strchr(s, ' ')) != NULL) |
544 |
|
|
{ |
545 |
|
|
*p++ = 0; |
546 |
|
|
while (*p == ' ') |
547 |
|
|
p++; |
548 |
|
|
} |
549 |
|
|
} |
550 |
|
|
|
551 |
|
|
*mbuf = '\0'; |
552 |
|
|
*(nick_ptr - 1) = '\0'; |
553 |
|
|
*(uid_ptr - 1) = '\0'; |
554 |
|
|
|
555 |
|
|
/* |
556 |
|
|
* checking for lcount < MAXMODEPARAMS at this time is wrong |
557 |
|
|
* since the code has already verified above that pargs < MAXMODEPARAMS |
558 |
|
|
* checking for para[lcount] != '\0' is also wrong, since |
559 |
|
|
* there is no place where para[lcount] is set! |
560 |
|
|
* - Dianora |
561 |
|
|
*/ |
562 |
|
|
|
563 |
|
|
if (pargs != 0) |
564 |
|
|
{ |
565 |
|
|
sptr = sendbuf; |
566 |
|
|
|
567 |
|
|
for (lcount = 0; lcount < pargs; lcount++) |
568 |
|
|
{ |
569 |
|
|
slen = ircsprintf(sptr, " %s", para[lcount]); |
570 |
|
|
sptr += slen; |
571 |
|
|
} |
572 |
|
|
|
573 |
|
|
sendto_channel_local(ALL_MEMBERS, NO, chptr, ":%s MODE %s %s%s", |
574 |
|
|
servername, chptr->chname, modebuf, sendbuf); |
575 |
|
|
} |
576 |
|
|
|
577 |
|
|
/* If this happens, its the result of a malformed SJOIN |
578 |
|
|
* a remnant from the old persistent channel code. *sigh* |
579 |
|
|
* Or it could be the result of a client just leaving |
580 |
|
|
* and leaving us with a channel formed just as the client parts. |
581 |
|
|
* - Dianora |
582 |
|
|
*/ |
583 |
|
|
|
584 |
|
|
if ((dlink_list_length(&chptr->members) == 0) && isnew) |
585 |
|
|
{ |
586 |
|
|
destroy_channel(chptr); |
587 |
|
|
return; |
588 |
|
|
} |
589 |
|
|
|
590 |
|
|
if (parv[4 + args][0] == '\0') |
591 |
|
|
return; |
592 |
|
|
|
593 |
|
|
/* relay the SJOIN to other servers */ |
594 |
|
|
DLINK_FOREACH(m, serv_list.head) |
595 |
|
|
{ |
596 |
|
|
target_p = m->data; |
597 |
|
|
|
598 |
|
|
if (target_p == client_p) |
599 |
|
|
continue; |
600 |
|
|
|
601 |
|
|
if (IsCapable(target_p, CAP_TS6)) |
602 |
|
|
sendto_one(target_p, "%s", uid_buf); |
603 |
|
|
else |
604 |
|
|
sendto_one(target_p, "%s", nick_buf); |
605 |
|
|
} |
606 |
|
|
|
607 |
|
|
if (HasID(source_p) && !keep_our_modes) |
608 |
|
|
{ |
609 |
|
|
if (dlink_list_length(&chptr->banlist) > 0) |
610 |
|
|
remove_ban_list(chptr, client_p, &chptr->banlist, |
611 |
|
|
'b', NOCAPS); |
612 |
|
|
|
613 |
|
|
if (dlink_list_length(&chptr->exceptlist) > 0) |
614 |
|
|
remove_ban_list(chptr, client_p, &chptr->exceptlist, |
615 |
|
|
'e', CAP_EX); |
616 |
|
|
|
617 |
|
|
if (dlink_list_length(&chptr->invexlist) > 0) |
618 |
|
|
remove_ban_list(chptr, client_p, &chptr->invexlist, |
619 |
|
|
'I', CAP_IE); |
620 |
|
|
clear_ban_cache(chptr); |
621 |
|
|
} |
622 |
|
|
} |
623 |
|
|
|
624 |
|
|
/* set_final_mode |
625 |
|
|
* |
626 |
|
|
* inputs - channel mode |
627 |
|
|
* - old channel mode |
628 |
|
|
* output - NONE |
629 |
|
|
* side effects - walk through all the channel modes turning off modes |
630 |
|
|
* that were on in oldmode but aren't on in mode. |
631 |
|
|
* Then walk through turning on modes that are on in mode |
632 |
|
|
* but were not set in oldmode. |
633 |
|
|
*/ |
634 |
|
|
static void |
635 |
|
|
set_final_mode(struct Mode *mode, struct Mode *oldmode) |
636 |
|
|
{ |
637 |
michael |
1175 |
const struct mode_letter *tab; |
638 |
adx |
30 |
char *pbuf = parabuf; |
639 |
|
|
int len; |
640 |
|
|
|
641 |
|
|
*mbuf++ = '-'; |
642 |
|
|
|
643 |
michael |
1175 |
for (tab = chan_modes; tab->letter; ++tab) |
644 |
adx |
30 |
{ |
645 |
michael |
1175 |
if ((tab->mode & oldmode->mode) && |
646 |
|
|
!(tab->mode & mode->mode)) |
647 |
|
|
*mbuf++ = tab->letter; |
648 |
adx |
30 |
} |
649 |
|
|
|
650 |
|
|
if (oldmode->limit != 0 && mode->limit == 0) |
651 |
|
|
*mbuf++ = 'l'; |
652 |
|
|
|
653 |
|
|
if (oldmode->key[0] && !mode->key[0]) |
654 |
|
|
{ |
655 |
|
|
*mbuf++ = 'k'; |
656 |
|
|
len = ircsprintf(pbuf, "%s ", oldmode->key); |
657 |
|
|
pbuf += len; |
658 |
|
|
pargs++; |
659 |
|
|
} |
660 |
|
|
|
661 |
|
|
if (*(mbuf-1) == '-') |
662 |
|
|
*(mbuf-1) = '+'; |
663 |
|
|
else |
664 |
|
|
*mbuf++ = '+'; |
665 |
|
|
|
666 |
michael |
1175 |
for (tab = chan_modes; tab->letter; ++tab) |
667 |
adx |
30 |
{ |
668 |
michael |
1175 |
if ((tab->mode & mode->mode) && |
669 |
|
|
!(tab->mode & oldmode->mode)) |
670 |
|
|
*mbuf++ = tab->letter; |
671 |
adx |
30 |
} |
672 |
|
|
|
673 |
|
|
if (mode->limit != 0 && oldmode->limit != mode->limit) |
674 |
|
|
{ |
675 |
|
|
*mbuf++ = 'l'; |
676 |
|
|
len = ircsprintf(pbuf, "%d ", mode->limit); |
677 |
|
|
pbuf += len; |
678 |
|
|
pargs++; |
679 |
|
|
} |
680 |
|
|
|
681 |
|
|
if (mode->key[0] && strcmp(oldmode->key, mode->key)) |
682 |
|
|
{ |
683 |
|
|
*mbuf++ = 'k'; |
684 |
|
|
len = ircsprintf(pbuf, "%s ", mode->key); |
685 |
|
|
pbuf += len; |
686 |
|
|
pargs++; |
687 |
|
|
} |
688 |
|
|
if (*(mbuf-1) == '+') |
689 |
|
|
*(mbuf-1) = '\0'; |
690 |
|
|
else |
691 |
|
|
*mbuf = '\0'; |
692 |
|
|
} |
693 |
|
|
|
694 |
|
|
/* remove_our_modes() |
695 |
|
|
* |
696 |
|
|
* inputs - pointer to channel to remove modes from |
697 |
|
|
* - client pointer |
698 |
|
|
* output - NONE |
699 |
|
|
* side effects - Go through the local members, remove all their |
700 |
|
|
* chanop modes etc., this side lost the TS. |
701 |
|
|
*/ |
702 |
|
|
static void |
703 |
|
|
remove_our_modes(struct Channel *chptr, struct Client *source_p) |
704 |
|
|
{ |
705 |
|
|
remove_a_mode(chptr, source_p, CHFL_CHANOP, 'o'); |
706 |
|
|
#ifdef HALFOPS |
707 |
|
|
remove_a_mode(chptr, source_p, CHFL_HALFOP, 'h'); |
708 |
|
|
#endif |
709 |
|
|
remove_a_mode(chptr, source_p, CHFL_VOICE, 'v'); |
710 |
|
|
} |
711 |
|
|
|
712 |
|
|
/* remove_a_mode() |
713 |
|
|
* |
714 |
|
|
* inputs - pointer to channel |
715 |
|
|
* - server or client removing the mode |
716 |
|
|
* - mask o/h/v mask to be removed |
717 |
|
|
* - flag o/h/v to be removed |
718 |
|
|
* output - NONE |
719 |
|
|
* side effects - remove ONE mode from all members of a channel |
720 |
|
|
*/ |
721 |
|
|
static void |
722 |
|
|
remove_a_mode(struct Channel *chptr, struct Client *source_p, |
723 |
|
|
int mask, char flag) |
724 |
|
|
{ |
725 |
|
|
dlink_node *ptr; |
726 |
|
|
struct Membership *ms; |
727 |
|
|
char lmodebuf[MODEBUFLEN]; |
728 |
|
|
char *sp=sendbuf; |
729 |
|
|
const char *lpara[MAXMODEPARAMS]; |
730 |
|
|
int count = 0; |
731 |
|
|
int i; |
732 |
|
|
int l; |
733 |
|
|
|
734 |
|
|
mbuf = lmodebuf; |
735 |
|
|
*mbuf++ = '-'; |
736 |
|
|
*sp = '\0'; |
737 |
|
|
|
738 |
|
|
DLINK_FOREACH(ptr, chptr->members.head) |
739 |
|
|
{ |
740 |
|
|
ms = ptr->data; |
741 |
|
|
|
742 |
|
|
if ((ms->flags & mask) == 0) |
743 |
|
|
continue; |
744 |
|
|
|
745 |
|
|
ms->flags &= ~mask; |
746 |
|
|
|
747 |
|
|
lpara[count++] = ms->client_p->name; |
748 |
|
|
|
749 |
|
|
*mbuf++ = flag; |
750 |
|
|
|
751 |
|
|
if (count >= MAXMODEPARAMS) |
752 |
|
|
{ |
753 |
|
|
for(i = 0; i < MAXMODEPARAMS; i++) |
754 |
|
|
{ |
755 |
|
|
l = ircsprintf(sp, " %s", lpara[i]); |
756 |
|
|
sp += l; |
757 |
|
|
} |
758 |
|
|
|
759 |
|
|
*mbuf = '\0'; |
760 |
|
|
sendto_channel_local(ALL_MEMBERS, NO, chptr, |
761 |
|
|
":%s MODE %s %s%s", |
762 |
|
|
(IsHidden(source_p) || |
763 |
|
|
ConfigServerHide.hide_servers) ? |
764 |
|
|
me.name : source_p->name, |
765 |
|
|
chptr->chname, lmodebuf, sendbuf); |
766 |
|
|
mbuf = lmodebuf; |
767 |
|
|
*mbuf++ = '-'; |
768 |
|
|
count = 0; |
769 |
|
|
sp = sendbuf; |
770 |
|
|
*sp = '\0'; |
771 |
|
|
} |
772 |
|
|
} |
773 |
|
|
|
774 |
|
|
if (count != 0) |
775 |
|
|
{ |
776 |
|
|
*mbuf = '\0'; |
777 |
|
|
for(i = 0; i < count; i++) |
778 |
|
|
{ |
779 |
|
|
l = ircsprintf(sp, " %s", lpara[i]); |
780 |
|
|
sp += l; |
781 |
|
|
} |
782 |
|
|
sendto_channel_local(ALL_MEMBERS, NO, chptr, |
783 |
|
|
":%s MODE %s %s%s", |
784 |
|
|
(IsHidden(source_p) || ConfigServerHide.hide_servers) ? |
785 |
|
|
me.name : source_p->name, |
786 |
|
|
chptr->chname, lmodebuf, sendbuf); |
787 |
|
|
} |
788 |
|
|
} |
789 |
|
|
|
790 |
|
|
/* remove_ban_list() |
791 |
|
|
* |
792 |
|
|
* inputs - channel, source, list to remove, char of mode, caps required |
793 |
|
|
* outputs - none |
794 |
|
|
* side effects - given ban list is removed, modes are sent to local clients and |
795 |
|
|
* non-ts6 servers linked through another uplink other than source_p |
796 |
|
|
*/ |
797 |
|
|
static void |
798 |
|
|
remove_ban_list(struct Channel *chptr, struct Client *source_p, |
799 |
|
|
dlink_list *list, char c, int cap) |
800 |
|
|
{ |
801 |
|
|
char lmodebuf[MODEBUFLEN]; |
802 |
|
|
char lparabuf[IRCD_BUFSIZE]; |
803 |
|
|
struct Ban *banptr = NULL; |
804 |
|
|
dlink_node *ptr = NULL; |
805 |
|
|
dlink_node *next_ptr = NULL; |
806 |
|
|
char *pbuf = NULL; |
807 |
|
|
int count = 0; |
808 |
|
|
int cur_len, mlen, plen; |
809 |
|
|
|
810 |
|
|
pbuf = lparabuf; |
811 |
|
|
|
812 |
|
|
cur_len = mlen = ircsprintf(lmodebuf, ":%s MODE %s -", |
813 |
|
|
source_p->name, chptr->chname); |
814 |
|
|
mbuf = lmodebuf + mlen; |
815 |
|
|
|
816 |
|
|
DLINK_FOREACH_SAFE(ptr, next_ptr, list->head) |
817 |
|
|
{ |
818 |
|
|
banptr = ptr->data; |
819 |
|
|
|
820 |
|
|
plen = banptr->len + 4; /* another +b and "!@ " */ |
821 |
|
|
if (count >= MAXMODEPARAMS || |
822 |
|
|
(cur_len + 1 /* space between */ + (plen - 1)) > IRCD_BUFSIZE - 2) |
823 |
|
|
{ |
824 |
|
|
/* NUL-terminate and remove trailing space */ |
825 |
|
|
*mbuf = *(pbuf - 1) = '\0'; |
826 |
|
|
sendto_channel_local(ALL_MEMBERS, NO, chptr, "%s %s", |
827 |
|
|
lmodebuf, lparabuf); |
828 |
michael |
885 |
sendto_server(source_p, chptr, cap, CAP_TS6, |
829 |
adx |
30 |
"%s %s", lmodebuf, lparabuf); |
830 |
|
|
|
831 |
|
|
cur_len = mlen; |
832 |
|
|
mbuf = lmodebuf + mlen; |
833 |
|
|
pbuf = lparabuf; |
834 |
|
|
count = 0; |
835 |
|
|
} |
836 |
|
|
|
837 |
|
|
*mbuf++ = c; |
838 |
|
|
cur_len += plen; |
839 |
|
|
pbuf += ircsprintf(pbuf, "%s!%s@%s ", banptr->name, banptr->username, |
840 |
|
|
banptr->host); |
841 |
|
|
++count; |
842 |
|
|
|
843 |
|
|
remove_ban(banptr, list); |
844 |
|
|
} |
845 |
|
|
|
846 |
|
|
*mbuf = *(pbuf - 1) = '\0'; |
847 |
|
|
sendto_channel_local(ALL_MEMBERS, NO, chptr, "%s %s", lmodebuf, lparabuf); |
848 |
michael |
885 |
sendto_server(source_p, chptr, cap, CAP_TS6, |
849 |
adx |
30 |
"%s %s", lmodebuf, lparabuf); |
850 |
|
|
} |