1 |
adx |
30 |
/* |
2 |
michael |
2916 |
* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd) |
3 |
adx |
30 |
* |
4 |
michael |
8280 |
* Copyright (c) 1997-2018 ircd-hybrid development team |
5 |
adx |
30 |
* |
6 |
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* This program is free software; you can redistribute it and/or modify |
7 |
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* it under the terms of the GNU General Public License as published by |
8 |
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* the Free Software Foundation; either version 2 of the License, or |
9 |
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* (at your option) any later version. |
10 |
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* |
11 |
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* This program is distributed in the hope that it will be useful, |
12 |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 |
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* GNU General Public License for more details. |
15 |
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* |
16 |
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* You should have received a copy of the GNU General Public License |
17 |
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* along with this program; if not, write to the Free Software |
18 |
michael |
4564 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 |
19 |
adx |
30 |
* USA |
20 |
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*/ |
21 |
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|
22 |
michael |
2916 |
/*! \file send.c |
23 |
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* \brief Functions for sending messages. |
24 |
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* \version $Id$ |
25 |
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*/ |
26 |
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|
27 |
adx |
30 |
#include "stdinc.h" |
28 |
michael |
1011 |
#include "list.h" |
29 |
adx |
30 |
#include "send.h" |
30 |
|
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#include "channel.h" |
31 |
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#include "client.h" |
32 |
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#include "dbuf.h" |
33 |
|
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#include "irc_string.h" |
34 |
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#include "ircd.h" |
35 |
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#include "s_bsd.h" |
36 |
michael |
8165 |
#include "server_capab.h" |
37 |
michael |
5034 |
#include "conf_class.h" |
38 |
michael |
1309 |
#include "log.h" |
39 |
adx |
30 |
|
40 |
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|
41 |
michael |
6781 |
static uintmax_t current_serial; |
42 |
adx |
30 |
|
43 |
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|
44 |
|
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/* send_format() |
45 |
|
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* |
46 |
michael |
3120 |
* inputs |
47 |
|
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* - buffer |
48 |
adx |
30 |
* - format pattern to use |
49 |
|
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* - var args |
50 |
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* output - number of bytes formatted output |
51 |
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* side effects - modifies sendbuf |
52 |
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*/ |
53 |
michael |
3107 |
static void |
54 |
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send_format(struct dbuf_block *buffer, const char *pattern, va_list args) |
55 |
adx |
30 |
{ |
56 |
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/* |
57 |
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* from rfc1459 |
58 |
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* |
59 |
|
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* IRC messages are always lines of characters terminated with a CR-LF |
60 |
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* (Carriage Return - Line Feed) pair, and these messages shall not |
61 |
michael |
2638 |
* exceed 512 characters in length, counting all characters |
62 |
adx |
30 |
* including the trailing CR-LF. |
63 |
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* Thus, there are 510 characters maximum allowed |
64 |
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* for the command and its parameters. There is no provision for |
65 |
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* continuation message lines. See section 7 for more details about |
66 |
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* current implementations. |
67 |
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*/ |
68 |
michael |
3107 |
dbuf_put_args(buffer, pattern, args); |
69 |
adx |
30 |
|
70 |
michael |
4621 |
if (buffer->size > IRCD_BUFSIZE - 2) |
71 |
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buffer->size = IRCD_BUFSIZE - 2; |
72 |
michael |
3107 |
|
73 |
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buffer->data[buffer->size++] = '\r'; |
74 |
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buffer->data[buffer->size++] = '\n'; |
75 |
adx |
30 |
} |
76 |
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|
77 |
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/* |
78 |
|
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** send_message |
79 |
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** Internal utility which appends given buffer to the sockets |
80 |
|
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** sendq. |
81 |
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*/ |
82 |
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static void |
83 |
michael |
3107 |
send_message(struct Client *to, struct dbuf_block *buf) |
84 |
adx |
30 |
{ |
85 |
michael |
439 |
assert(!IsMe(to)); |
86 |
michael |
438 |
assert(to != &me); |
87 |
michael |
4802 |
assert(MyConnect(to)); |
88 |
adx |
30 |
|
89 |
michael |
4589 |
if (dbuf_length(&to->connection->buf_sendq) + buf->size > get_sendq(&to->connection->confs)) |
90 |
adx |
30 |
{ |
91 |
|
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if (IsServer(to)) |
92 |
michael |
6317 |
sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE, |
93 |
michael |
6536 |
"Max SendQ limit exceeded for %s: %zu > %u", |
94 |
michael |
7996 |
client_get_name(to, HIDE_IP), |
95 |
michael |
6536 |
(dbuf_length(&to->connection->buf_sendq) + buf->size), |
96 |
michael |
4589 |
get_sendq(&to->connection->confs)); |
97 |
michael |
4889 |
|
98 |
adx |
30 |
if (IsClient(to)) |
99 |
michael |
6314 |
AddFlag(to, FLAGS_SENDQEX); |
100 |
michael |
3215 |
|
101 |
adx |
30 |
dead_link_on_write(to, 0); |
102 |
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return; |
103 |
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} |
104 |
michael |
2638 |
|
105 |
michael |
4589 |
dbuf_add(&to->connection->buf_sendq, buf); |
106 |
adx |
30 |
|
107 |
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/* |
108 |
michael |
3215 |
* Update statistics. The following is slightly incorrect because |
109 |
|
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* it counts messages even if queued, but bytes only really sent. |
110 |
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* Queued bytes get updated in send_queued_write(). |
111 |
adx |
30 |
*/ |
112 |
michael |
4589 |
++to->connection->send.messages; |
113 |
|
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++me.connection->send.messages; |
114 |
adx |
30 |
|
115 |
michael |
2881 |
send_queued_write(to); |
116 |
adx |
30 |
} |
117 |
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|
118 |
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/* send_message_remote() |
119 |
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* |
120 |
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* inputs - pointer to client from message is being sent |
121 |
|
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* - pointer to client to send to |
122 |
michael |
3120 |
* - pointer to buffer |
123 |
adx |
30 |
* output - none |
124 |
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* side effects - Despite the function name, this only sends to directly |
125 |
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* connected clients. |
126 |
michael |
2916 |
* |
127 |
adx |
30 |
*/ |
128 |
|
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static void |
129 |
michael |
7321 |
send_message_remote(struct Client *to, const struct Client *from, struct dbuf_block *buf) |
130 |
adx |
30 |
{ |
131 |
michael |
4802 |
assert(MyConnect(to)); |
132 |
michael |
4930 |
assert(IsServer(to)); |
133 |
michael |
4922 |
assert(!IsMe(to)); |
134 |
|
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assert(to->from == to); |
135 |
michael |
2793 |
|
136 |
michael |
4930 |
if (to == from->from) |
137 |
adx |
30 |
{ |
138 |
michael |
6317 |
sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE, |
139 |
michael |
4922 |
"Send message to %s dropped from %s (Fake Dir)", |
140 |
|
|
to->name, from->name); |
141 |
adx |
30 |
return; |
142 |
michael |
2638 |
} |
143 |
adx |
30 |
|
144 |
michael |
3107 |
send_message(to, buf); |
145 |
adx |
30 |
} |
146 |
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|
147 |
|
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/* |
148 |
|
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** sendq_unblocked |
149 |
|
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** Called when a socket is ready for writing. |
150 |
|
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*/ |
151 |
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void |
152 |
michael |
8338 |
sendq_unblocked(fde_t *F, void *data) |
153 |
adx |
30 |
{ |
154 |
michael |
4994 |
struct Client *const client_p = data; |
155 |
michael |
3312 |
|
156 |
michael |
8338 |
assert(client_p); |
157 |
|
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assert(client_p->connection); |
158 |
|
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assert(client_p->connection->fd); |
159 |
|
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assert(client_p->connection->fd == F); |
160 |
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|
161 |
michael |
3312 |
DelFlag(client_p, FLAGS_BLOCKED); |
162 |
michael |
2881 |
send_queued_write(client_p); |
163 |
adx |
30 |
} |
164 |
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|
165 |
|
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/* |
166 |
|
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** send_queued_write |
167 |
|
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** This is called when there is a chance that some output would |
168 |
|
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** be possible. This attempts to empty the send queue as far as |
169 |
|
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** possible, and then if any data is left, a write is rescheduled. |
170 |
|
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*/ |
171 |
|
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void |
172 |
|
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send_queued_write(struct Client *to) |
173 |
|
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{ |
174 |
michael |
3311 |
int retlen = 0; |
175 |
adx |
30 |
|
176 |
|
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/* |
177 |
michael |
3311 |
** Once socket is marked dead, we cannot start writing to it, |
178 |
|
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** even if the error is removed... |
179 |
adx |
30 |
*/ |
180 |
michael |
3312 |
if (IsDead(to) || HasFlag(to, FLAGS_BLOCKED)) |
181 |
michael |
3311 |
return; /* no use calling send() now */ |
182 |
adx |
30 |
|
183 |
michael |
3311 |
/* Next, lets try to write some data */ |
184 |
michael |
4589 |
if (dbuf_length(&to->connection->buf_sendq)) |
185 |
adx |
30 |
{ |
186 |
michael |
3311 |
do |
187 |
|
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{ |
188 |
michael |
8556 |
int want_read = 0; |
189 |
michael |
6358 |
const struct dbuf_block *first = to->connection->buf_sendq.blocks.head->data; |
190 |
adx |
30 |
|
191 |
michael |
8338 |
if (tls_isusing(&to->connection->fd->ssl)) |
192 |
michael |
3311 |
{ |
193 |
michael |
8338 |
retlen = tls_write(&to->connection->fd->ssl, first->data + to->connection->buf_sendq.pos, |
194 |
|
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first->size - to->connection->buf_sendq.pos, &want_read); |
195 |
michael |
3241 |
|
196 |
michael |
7106 |
if (want_read) |
197 |
|
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return; /* Retry later, don't register for write events */ |
198 |
michael |
3311 |
} |
199 |
|
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else |
200 |
michael |
8338 |
retlen = send(to->connection->fd->fd, first->data + to->connection->buf_sendq.pos, |
201 |
|
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first->size - to->connection->buf_sendq.pos, 0); |
202 |
michael |
3241 |
|
203 |
michael |
3311 |
if (retlen <= 0) |
204 |
|
|
break; |
205 |
michael |
3241 |
|
206 |
michael |
4589 |
dbuf_delete(&to->connection->buf_sendq, retlen); |
207 |
adx |
30 |
|
208 |
michael |
3311 |
/* We have some data written .. update counters */ |
209 |
michael |
4589 |
to->connection->send.bytes += retlen; |
210 |
|
|
me.connection->send.bytes += retlen; |
211 |
|
|
} while (dbuf_length(&to->connection->buf_sendq)); |
212 |
adx |
30 |
|
213 |
michael |
8413 |
if (retlen < 0 && comm_ignore_errno(errno)) |
214 |
michael |
3311 |
{ |
215 |
michael |
3312 |
AddFlag(to, FLAGS_BLOCKED); |
216 |
michael |
3335 |
|
217 |
michael |
3311 |
/* we have a non-fatal error, reschedule a write */ |
218 |
michael |
8338 |
comm_setselect(to->connection->fd, COMM_SELECT_WRITE, sendq_unblocked, to, 0); |
219 |
michael |
3311 |
} |
220 |
|
|
else if (retlen <= 0) |
221 |
|
|
{ |
222 |
|
|
dead_link_on_write(to, errno); |
223 |
|
|
return; |
224 |
|
|
} |
225 |
adx |
30 |
} |
226 |
|
|
} |
227 |
|
|
|
228 |
|
|
/* send_queued_all() |
229 |
|
|
* |
230 |
|
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* input - NONE |
231 |
|
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* output - NONE |
232 |
|
|
* side effects - try to flush sendq of each client |
233 |
|
|
*/ |
234 |
|
|
void |
235 |
|
|
send_queued_all(void) |
236 |
|
|
{ |
237 |
michael |
8348 |
dlink_node *node; |
238 |
adx |
30 |
|
239 |
|
|
/* Servers are processed first, mainly because this can generate |
240 |
|
|
* a notice to opers, which is to be delivered by this function. |
241 |
|
|
*/ |
242 |
michael |
4816 |
DLINK_FOREACH(node, local_server_list.head) |
243 |
|
|
send_queued_write(node->data); |
244 |
adx |
30 |
|
245 |
michael |
4816 |
DLINK_FOREACH(node, unknown_list.head) |
246 |
|
|
send_queued_write(node->data); |
247 |
adx |
30 |
|
248 |
michael |
4816 |
DLINK_FOREACH(node, local_client_list.head) |
249 |
|
|
send_queued_write(node->data); |
250 |
adx |
30 |
|
251 |
|
|
/* NOTE: This can still put clients on aborted_list; unfortunately, |
252 |
|
|
* exit_aborted_clients takes precedence over send_queued_all, |
253 |
|
|
* because exiting clients can generate server/oper traffic. |
254 |
|
|
* The easiest approach is dealing with aborted clients in the next I/O lap. |
255 |
|
|
* -adx |
256 |
|
|
*/ |
257 |
|
|
} |
258 |
|
|
|
259 |
|
|
/* sendto_one() |
260 |
|
|
* |
261 |
|
|
* inputs - pointer to destination client |
262 |
|
|
* - var args message |
263 |
|
|
* output - NONE |
264 |
|
|
* side effects - send message to single client |
265 |
|
|
*/ |
266 |
|
|
void |
267 |
|
|
sendto_one(struct Client *to, const char *pattern, ...) |
268 |
|
|
{ |
269 |
|
|
va_list args; |
270 |
|
|
|
271 |
michael |
3189 |
if (IsDead(to->from)) |
272 |
michael |
3107 |
return; /* This socket has already been marked as dead */ |
273 |
adx |
30 |
|
274 |
michael |
7946 |
va_start(args, pattern); |
275 |
michael |
3107 |
|
276 |
michael |
7946 |
struct dbuf_block *buffer = dbuf_alloc(); |
277 |
michael |
3107 |
send_format(buffer, pattern, args); |
278 |
michael |
7946 |
|
279 |
adx |
30 |
va_end(args); |
280 |
|
|
|
281 |
michael |
3189 |
send_message(to->from, buffer); |
282 |
michael |
3107 |
|
283 |
|
|
dbuf_ref_free(buffer); |
284 |
adx |
30 |
} |
285 |
|
|
|
286 |
michael |
3109 |
void |
287 |
michael |
7321 |
sendto_one_numeric(struct Client *to, const struct Client *from, enum irc_numerics numeric, ...) |
288 |
michael |
3109 |
{ |
289 |
|
|
va_list args; |
290 |
michael |
7946 |
const char *numstr = NULL; |
291 |
michael |
3109 |
|
292 |
michael |
3189 |
if (IsDead(to->from)) |
293 |
michael |
3109 |
return; |
294 |
|
|
|
295 |
michael |
7946 |
const char *dest = ID_or_name(to, to); |
296 |
michael |
3109 |
if (EmptyString(dest)) |
297 |
|
|
dest = "*"; |
298 |
|
|
|
299 |
michael |
7946 |
struct dbuf_block *buffer = dbuf_alloc(); |
300 |
michael |
3574 |
dbuf_put_fmt(buffer, ":%s %03d %s ", ID_or_name(from, to), numeric & ~SND_EXPLICIT, dest); |
301 |
michael |
3109 |
|
302 |
|
|
va_start(args, numeric); |
303 |
michael |
3574 |
|
304 |
|
|
if (numeric & SND_EXPLICIT) |
305 |
|
|
numstr = va_arg(args, const char *); |
306 |
|
|
else |
307 |
|
|
numstr = numeric_form(numeric); |
308 |
michael |
4790 |
|
309 |
michael |
3574 |
send_format(buffer, numstr, args); |
310 |
michael |
3109 |
va_end(args); |
311 |
|
|
|
312 |
michael |
3189 |
send_message(to->from, buffer); |
313 |
michael |
3109 |
|
314 |
|
|
dbuf_ref_free(buffer); |
315 |
|
|
} |
316 |
|
|
|
317 |
michael |
3110 |
void |
318 |
michael |
7321 |
sendto_one_notice(struct Client *to, const struct Client *from, const char *pattern, ...) |
319 |
michael |
3110 |
{ |
320 |
|
|
va_list args; |
321 |
|
|
|
322 |
michael |
3189 |
if (IsDead(to->from)) |
323 |
michael |
3110 |
return; |
324 |
|
|
|
325 |
michael |
7946 |
const char *dest = ID_or_name(to, to); |
326 |
michael |
3110 |
if (EmptyString(dest)) |
327 |
|
|
dest = "*"; |
328 |
|
|
|
329 |
michael |
7946 |
struct dbuf_block *buffer = dbuf_alloc(); |
330 |
michael |
3113 |
dbuf_put_fmt(buffer, ":%s NOTICE %s ", ID_or_name(from, to), dest); |
331 |
michael |
3110 |
|
332 |
|
|
va_start(args, pattern); |
333 |
|
|
send_format(buffer, pattern, args); |
334 |
|
|
va_end(args); |
335 |
|
|
|
336 |
michael |
3189 |
send_message(to->from, buffer); |
337 |
michael |
3110 |
|
338 |
|
|
dbuf_ref_free(buffer); |
339 |
|
|
} |
340 |
|
|
|
341 |
adx |
30 |
/* sendto_channel_butone() |
342 |
|
|
* |
343 |
|
|
* inputs - pointer to client(server) to NOT send message to |
344 |
|
|
* - pointer to client that is sending this message |
345 |
|
|
* - pointer to channel being sent to |
346 |
|
|
* - vargs message |
347 |
|
|
* output - NONE |
348 |
|
|
* side effects - message as given is sent to given channel members. |
349 |
|
|
* |
350 |
|
|
* WARNING - +D clients are ignored |
351 |
|
|
*/ |
352 |
|
|
void |
353 |
michael |
7321 |
sendto_channel_butone(struct Client *one, const struct Client *from, |
354 |
michael |
1479 |
struct Channel *chptr, unsigned int type, |
355 |
adx |
30 |
const char *pattern, ...) |
356 |
|
|
{ |
357 |
michael |
3136 |
va_list alocal, aremote; |
358 |
|
|
struct dbuf_block *local_buf, *remote_buf; |
359 |
michael |
8348 |
dlink_node *node; |
360 |
adx |
30 |
|
361 |
michael |
3136 |
local_buf = dbuf_alloc(), remote_buf = dbuf_alloc(); |
362 |
michael |
3107 |
|
363 |
michael |
3804 |
if (IsClient(from)) |
364 |
|
|
dbuf_put_fmt(local_buf, ":%s!%s@%s ", from->name, from->username, from->host); |
365 |
|
|
else |
366 |
michael |
3113 |
dbuf_put_fmt(local_buf, ":%s ", from->name); |
367 |
adx |
30 |
|
368 |
michael |
3186 |
dbuf_put_fmt(remote_buf, ":%s ", from->id); |
369 |
michael |
3107 |
|
370 |
adx |
285 |
va_start(alocal, pattern); |
371 |
|
|
va_start(aremote, pattern); |
372 |
michael |
3107 |
send_format(local_buf, pattern, alocal); |
373 |
|
|
send_format(remote_buf, pattern, aremote); |
374 |
michael |
3136 |
|
375 |
adx |
285 |
va_end(aremote); |
376 |
|
|
va_end(alocal); |
377 |
adx |
30 |
|
378 |
|
|
++current_serial; |
379 |
|
|
|
380 |
michael |
4924 |
DLINK_FOREACH(node, chptr->members.head) |
381 |
adx |
30 |
{ |
382 |
michael |
4816 |
struct Membership *member = node->data; |
383 |
|
|
struct Client *target_p = member->client_p; |
384 |
adx |
30 |
|
385 |
michael |
1078 |
assert(IsClient(target_p)); |
386 |
|
|
|
387 |
michael |
7944 |
if (IsDefunct(target_p->from)) |
388 |
adx |
30 |
continue; |
389 |
|
|
|
390 |
michael |
7944 |
if (one && (target_p->from == one->from)) |
391 |
|
|
continue; |
392 |
|
|
|
393 |
michael |
4816 |
if (type && (member->flags & type) == 0) |
394 |
michael |
1479 |
continue; |
395 |
|
|
|
396 |
michael |
7944 |
if (HasUMode(target_p, UMODE_DEAF)) |
397 |
|
|
continue; |
398 |
|
|
|
399 |
michael |
1078 |
if (MyConnect(target_p)) |
400 |
michael |
3103 |
send_message(target_p, local_buf); |
401 |
michael |
4589 |
else if (target_p->from->connection->serial != current_serial) |
402 |
michael |
3103 |
send_message_remote(target_p->from, from, remote_buf); |
403 |
michael |
4889 |
|
404 |
michael |
4589 |
target_p->from->connection->serial = current_serial; |
405 |
adx |
30 |
} |
406 |
michael |
3107 |
|
407 |
|
|
dbuf_ref_free(local_buf); |
408 |
|
|
dbuf_ref_free(remote_buf); |
409 |
adx |
30 |
} |
410 |
|
|
|
411 |
|
|
/* sendto_server() |
412 |
michael |
2916 |
* |
413 |
adx |
30 |
* inputs - pointer to client to NOT send to |
414 |
db |
939 |
* - pointer to channel |
415 |
adx |
30 |
* - caps or'd together which must ALL be present |
416 |
|
|
* - caps or'd together which must ALL NOT be present |
417 |
|
|
* - printf style format string |
418 |
|
|
* - args to format string |
419 |
|
|
* output - NONE |
420 |
|
|
* side effects - Send a message to all connected servers, except the |
421 |
|
|
* client 'one' (if non-NULL), as long as the servers |
422 |
|
|
* support ALL capabs in 'caps', and NO capabs in 'nocaps'. |
423 |
michael |
2916 |
* |
424 |
adx |
30 |
* This function was written in an attempt to merge together the other |
425 |
|
|
* billion sendto_*serv*() functions, which sprung up with capabs, |
426 |
|
|
* lazylinks, uids, etc. |
427 |
|
|
* -davidt |
428 |
|
|
*/ |
429 |
michael |
2638 |
void |
430 |
michael |
7321 |
sendto_server(const struct Client *one, |
431 |
michael |
1015 |
const unsigned int caps, |
432 |
|
|
const unsigned int nocaps, |
433 |
adx |
30 |
const char *format, ...) |
434 |
|
|
{ |
435 |
|
|
va_list args; |
436 |
michael |
7946 |
dlink_node *node; |
437 |
adx |
30 |
|
438 |
|
|
va_start(args, format); |
439 |
michael |
7946 |
|
440 |
|
|
struct dbuf_block *buffer = dbuf_alloc(); |
441 |
michael |
3107 |
send_format(buffer, format, args); |
442 |
michael |
7946 |
|
443 |
adx |
30 |
va_end(args); |
444 |
|
|
|
445 |
michael |
4816 |
DLINK_FOREACH(node, local_server_list.head) |
446 |
adx |
30 |
{ |
447 |
michael |
4816 |
struct Client *client_p = node->data; |
448 |
adx |
30 |
|
449 |
|
|
/* If dead already skip */ |
450 |
|
|
if (IsDead(client_p)) |
451 |
|
|
continue; |
452 |
michael |
4889 |
|
453 |
adx |
30 |
/* check against 'one' */ |
454 |
michael |
3243 |
if (one && (client_p == one->from)) |
455 |
adx |
30 |
continue; |
456 |
michael |
4889 |
|
457 |
adx |
30 |
/* check we have required capabs */ |
458 |
michael |
4589 |
if ((client_p->connection->caps & caps) != caps) |
459 |
adx |
30 |
continue; |
460 |
michael |
4889 |
|
461 |
adx |
30 |
/* check we don't have any forbidden capabs */ |
462 |
michael |
4589 |
if ((client_p->connection->caps & nocaps)) |
463 |
adx |
30 |
continue; |
464 |
|
|
|
465 |
michael |
3107 |
send_message(client_p, buffer); |
466 |
adx |
30 |
} |
467 |
michael |
3107 |
|
468 |
|
|
dbuf_ref_free(buffer); |
469 |
adx |
30 |
} |
470 |
|
|
|
471 |
|
|
/* sendto_common_channels_local() |
472 |
|
|
* |
473 |
|
|
* inputs - pointer to client |
474 |
|
|
* - pattern to send |
475 |
|
|
* output - NONE |
476 |
|
|
* side effects - Sends a message to all people on local server who are |
477 |
michael |
2916 |
* in same channel with user. |
478 |
adx |
30 |
* used by m_nick.c and exit_one_client. |
479 |
|
|
*/ |
480 |
|
|
void |
481 |
michael |
6775 |
sendto_common_channels_local(struct Client *user, int touser, unsigned int poscap, |
482 |
|
|
unsigned int negcap, const char *pattern, ...) |
483 |
adx |
30 |
{ |
484 |
|
|
va_list args; |
485 |
|
|
dlink_node *uptr; |
486 |
|
|
dlink_node *cptr; |
487 |
|
|
struct Channel *chptr; |
488 |
michael |
4816 |
struct Membership *member; |
489 |
adx |
30 |
struct Client *target_p; |
490 |
michael |
4816 |
struct dbuf_block *buffer = dbuf_alloc(); |
491 |
adx |
30 |
|
492 |
|
|
va_start(args, pattern); |
493 |
michael |
3107 |
send_format(buffer, pattern, args); |
494 |
adx |
30 |
va_end(args); |
495 |
|
|
|
496 |
|
|
++current_serial; |
497 |
|
|
|
498 |
|
|
DLINK_FOREACH(cptr, user->channel.head) |
499 |
|
|
{ |
500 |
michael |
2638 |
chptr = ((struct Membership *)cptr->data)->chptr; |
501 |
adx |
30 |
|
502 |
michael |
4171 |
DLINK_FOREACH(uptr, chptr->locmembers.head) |
503 |
adx |
30 |
{ |
504 |
michael |
4816 |
member = uptr->data; |
505 |
|
|
target_p = member->client_p; |
506 |
adx |
30 |
|
507 |
michael |
4171 |
if (target_p == user || IsDefunct(target_p) || |
508 |
michael |
4589 |
target_p->connection->serial == current_serial) |
509 |
adx |
30 |
continue; |
510 |
|
|
|
511 |
michael |
6775 |
if (poscap && HasCap(target_p, poscap) != poscap) |
512 |
michael |
1734 |
continue; |
513 |
|
|
|
514 |
michael |
6775 |
if (negcap && HasCap(target_p, negcap)) |
515 |
|
|
continue; |
516 |
|
|
|
517 |
michael |
4589 |
target_p->connection->serial = current_serial; |
518 |
michael |
3107 |
send_message(target_p, buffer); |
519 |
adx |
30 |
} |
520 |
|
|
} |
521 |
|
|
|
522 |
|
|
if (touser && MyConnect(user) && !IsDead(user) && |
523 |
michael |
4589 |
user->connection->serial != current_serial) |
524 |
michael |
6775 |
if (HasCap(user, poscap) == poscap) |
525 |
michael |
3107 |
send_message(user, buffer); |
526 |
|
|
|
527 |
|
|
dbuf_ref_free(buffer); |
528 |
adx |
30 |
} |
529 |
|
|
|
530 |
michael |
6760 |
/*! \brief Send a message to members of a channel that are locally connected to this server. |
531 |
|
|
* \param one Client to skip; can be NULL |
532 |
|
|
* \param chptr Destination channel |
533 |
|
|
* \param status Channel member status flags clients must have |
534 |
|
|
* \param poscap Positive client capabilities flags (CAP) |
535 |
|
|
* \param negcap Negative client capabilities flags (CAP) |
536 |
|
|
* \param pattern Format string for command arguments |
537 |
adx |
30 |
*/ |
538 |
|
|
void |
539 |
michael |
6760 |
sendto_channel_local(const struct Client *one, struct Channel *chptr, unsigned int status, |
540 |
|
|
unsigned int poscap, unsigned int negcap, const char *pattern, ...) |
541 |
adx |
30 |
{ |
542 |
|
|
va_list args; |
543 |
michael |
8348 |
dlink_node *node; |
544 |
michael |
4816 |
struct dbuf_block *buffer = dbuf_alloc(); |
545 |
adx |
30 |
|
546 |
|
|
va_start(args, pattern); |
547 |
michael |
3107 |
send_format(buffer, pattern, args); |
548 |
adx |
30 |
va_end(args); |
549 |
|
|
|
550 |
michael |
4816 |
DLINK_FOREACH(node, chptr->locmembers.head) |
551 |
adx |
30 |
{ |
552 |
michael |
4816 |
struct Membership *member = node->data; |
553 |
|
|
struct Client *target_p = member->client_p; |
554 |
adx |
30 |
|
555 |
michael |
4794 |
if (IsDefunct(target_p)) |
556 |
adx |
30 |
continue; |
557 |
|
|
|
558 |
michael |
4171 |
if (one && target_p == one->from) |
559 |
adx |
30 |
continue; |
560 |
michael |
1734 |
|
561 |
michael |
6760 |
if (status && (member->flags & status) == 0) |
562 |
michael |
3170 |
continue; |
563 |
|
|
|
564 |
michael |
4793 |
if (poscap && HasCap(target_p, poscap) != poscap) |
565 |
michael |
2638 |
continue; |
566 |
|
|
|
567 |
michael |
4793 |
if (negcap && HasCap(target_p, negcap)) |
568 |
|
|
continue; |
569 |
|
|
|
570 |
michael |
3107 |
send_message(target_p, buffer); |
571 |
adx |
30 |
} |
572 |
michael |
3107 |
|
573 |
|
|
dbuf_ref_free(buffer); |
574 |
adx |
30 |
} |
575 |
|
|
|
576 |
|
|
/* |
577 |
|
|
** match_it() and sendto_match_butone() ARE only used |
578 |
|
|
** to send a msg to all ppl on servers/hosts that match a specified mask |
579 |
|
|
** (used for enhanced PRIVMSGs) for opers |
580 |
|
|
** |
581 |
|
|
** addition -- Armin, 8jun90 (gruner@informatik.tu-muenchen.de) |
582 |
|
|
** |
583 |
|
|
*/ |
584 |
|
|
|
585 |
|
|
/* match_it() |
586 |
|
|
* |
587 |
|
|
* inputs - client pointer to match on |
588 |
|
|
* - actual mask to match |
589 |
|
|
* - what to match on, HOST or SERVER |
590 |
|
|
* output - 1 or 0 if match or not |
591 |
|
|
* side effects - NONE |
592 |
|
|
*/ |
593 |
|
|
static int |
594 |
michael |
2867 |
match_it(const struct Client *one, const char *mask, unsigned int what) |
595 |
adx |
30 |
{ |
596 |
|
|
if (what == MATCH_HOST) |
597 |
michael |
8556 |
return match(mask, one->host) == 0; |
598 |
adx |
30 |
|
599 |
michael |
8556 |
return match(mask, one->servptr->name) == 0; |
600 |
adx |
30 |
} |
601 |
|
|
|
602 |
|
|
/* sendto_match_butone() |
603 |
|
|
* |
604 |
|
|
* Send to all clients which match the mask in a way defined on 'what'; |
605 |
|
|
* either by user hostname or user servername. |
606 |
|
|
* |
607 |
|
|
* ugh. ONLY used by m_message.c to send an "oper magic" message. ugh. |
608 |
|
|
*/ |
609 |
|
|
void |
610 |
michael |
7321 |
sendto_match_butone(const struct Client *one, const struct Client *from, |
611 |
|
|
const char *mask, int what, const char *pattern, ...) |
612 |
adx |
30 |
{ |
613 |
adx |
285 |
va_list alocal, aremote; |
614 |
michael |
8348 |
dlink_node *node; |
615 |
michael |
3107 |
struct dbuf_block *local_buf, *remote_buf; |
616 |
adx |
30 |
|
617 |
michael |
3107 |
local_buf = dbuf_alloc(), remote_buf = dbuf_alloc(); |
618 |
|
|
|
619 |
michael |
3113 |
dbuf_put_fmt(local_buf, ":%s!%s@%s ", from->name, from->username, from->host); |
620 |
michael |
3186 |
dbuf_put_fmt(remote_buf, ":%s ", from->id); |
621 |
michael |
3107 |
|
622 |
adx |
285 |
va_start(alocal, pattern); |
623 |
|
|
va_start(aremote, pattern); |
624 |
michael |
3107 |
send_format(local_buf, pattern, alocal); |
625 |
|
|
send_format(remote_buf, pattern, aremote); |
626 |
adx |
285 |
va_end(aremote); |
627 |
|
|
va_end(alocal); |
628 |
adx |
30 |
|
629 |
|
|
/* scan the local clients */ |
630 |
michael |
4816 |
DLINK_FOREACH(node, local_client_list.head) |
631 |
adx |
30 |
{ |
632 |
michael |
4816 |
struct Client *client_p = node->data; |
633 |
adx |
30 |
|
634 |
michael |
8556 |
if ((one == NULL || client_p != one->from) && !IsDefunct(client_p)) |
635 |
|
|
if (match_it(client_p, mask, what)) |
636 |
|
|
send_message(client_p, local_buf); |
637 |
adx |
30 |
} |
638 |
|
|
|
639 |
|
|
/* Now scan servers */ |
640 |
michael |
4924 |
DLINK_FOREACH(node, local_server_list.head) |
641 |
adx |
30 |
{ |
642 |
michael |
4816 |
struct Client *client_p = node->data; |
643 |
adx |
30 |
|
644 |
|
|
/* |
645 |
|
|
* The old code looped through every client on the |
646 |
|
|
* network for each server to check if the |
647 |
|
|
* server (client_p) has at least 1 client matching |
648 |
|
|
* the mask, using something like: |
649 |
|
|
* |
650 |
|
|
* for (target_p = GlobalClientList; target_p; target_p = target_p->next) |
651 |
|
|
* if (IsRegisteredUser(target_p) && |
652 |
|
|
* match_it(target_p, mask, what) && |
653 |
|
|
* (target_p->from == client_p)) |
654 |
|
|
* vsendto_prefix_one(client_p, from, pattern, args); |
655 |
|
|
* |
656 |
|
|
* That way, we wouldn't send the message to |
657 |
|
|
* a server who didn't have a matching client. |
658 |
|
|
* However, on a network such as EFNet, that |
659 |
|
|
* code would have looped through about 50 |
660 |
|
|
* servers, and in each loop, loop through |
661 |
|
|
* about 50k clients as well, calling match() |
662 |
|
|
* in each nested loop. That is a very bad |
663 |
|
|
* thing cpu wise - just send the message |
664 |
|
|
* to every connected server and let that |
665 |
|
|
* server deal with it. |
666 |
|
|
* -wnder |
667 |
|
|
*/ |
668 |
michael |
8556 |
if ((one == NULL || client_p != one->from) && !IsDefunct(client_p)) |
669 |
michael |
3107 |
send_message_remote(client_p, from, remote_buf); |
670 |
adx |
30 |
} |
671 |
michael |
3107 |
|
672 |
|
|
dbuf_ref_free(local_buf); |
673 |
|
|
dbuf_ref_free(remote_buf); |
674 |
adx |
30 |
} |
675 |
|
|
|
676 |
|
|
/* sendto_match_servs() |
677 |
|
|
* |
678 |
|
|
* inputs - source client |
679 |
|
|
* - mask to send to |
680 |
|
|
* - capab needed |
681 |
|
|
* - data |
682 |
|
|
* outputs - none |
683 |
|
|
* side effects - data sent to servers matching with capab |
684 |
|
|
*/ |
685 |
|
|
void |
686 |
michael |
7321 |
sendto_match_servs(const struct Client *source_p, const char *mask, unsigned int cap, |
687 |
adx |
30 |
const char *pattern, ...) |
688 |
|
|
{ |
689 |
|
|
va_list args; |
690 |
michael |
8348 |
dlink_node *node; |
691 |
michael |
4797 |
struct dbuf_block *buffer = dbuf_alloc(); |
692 |
adx |
30 |
|
693 |
michael |
3946 |
dbuf_put_fmt(buffer, ":%s ", source_p->id); |
694 |
adx |
30 |
va_start(args, pattern); |
695 |
michael |
3946 |
send_format(buffer, pattern, args); |
696 |
adx |
30 |
va_end(args); |
697 |
|
|
|
698 |
michael |
948 |
++current_serial; |
699 |
adx |
30 |
|
700 |
michael |
4924 |
DLINK_FOREACH(node, global_server_list.head) |
701 |
adx |
30 |
{ |
702 |
michael |
4816 |
struct Client *target_p = node->data; |
703 |
adx |
30 |
|
704 |
|
|
/* Do not attempt to send to ourselves, or the source */ |
705 |
|
|
if (IsMe(target_p) || target_p->from == source_p->from) |
706 |
|
|
continue; |
707 |
|
|
|
708 |
michael |
4589 |
if (target_p->from->connection->serial == current_serial) |
709 |
adx |
30 |
continue; |
710 |
|
|
|
711 |
michael |
4797 |
if (match(mask, target_p->name)) |
712 |
|
|
continue; |
713 |
adx |
30 |
|
714 |
michael |
7223 |
if (cap && IsCapable(target_p->from, cap) != cap) |
715 |
michael |
4797 |
continue; |
716 |
|
|
|
717 |
michael |
7631 |
target_p->from->connection->serial = current_serial; |
718 |
michael |
4797 |
send_message_remote(target_p->from, source_p, buffer); |
719 |
adx |
30 |
} |
720 |
michael |
3107 |
|
721 |
michael |
3946 |
dbuf_ref_free(buffer); |
722 |
adx |
30 |
} |
723 |
|
|
|
724 |
|
|
/* sendto_anywhere() |
725 |
|
|
* |
726 |
|
|
* inputs - pointer to dest client |
727 |
|
|
* - pointer to from client |
728 |
|
|
* - varags |
729 |
|
|
* output - NONE |
730 |
|
|
* side effects - less efficient than sendto_remote and sendto_one |
731 |
|
|
* but useful when one does not know where target "lives" |
732 |
|
|
*/ |
733 |
|
|
void |
734 |
michael |
7321 |
sendto_anywhere(struct Client *to, const struct Client *from, |
735 |
michael |
2793 |
const char *command, |
736 |
adx |
30 |
const char *pattern, ...) |
737 |
|
|
{ |
738 |
|
|
va_list args; |
739 |
|
|
|
740 |
michael |
2793 |
if (IsDead(to->from)) |
741 |
adx |
30 |
return; |
742 |
|
|
|
743 |
michael |
8035 |
struct dbuf_block *buffer = dbuf_alloc(); |
744 |
michael |
3189 |
if (MyClient(to) && IsClient(from)) |
745 |
|
|
dbuf_put_fmt(buffer, ":%s!%s@%s %s %s ", from->name, from->username, |
746 |
|
|
from->host, command, to->name); |
747 |
michael |
2634 |
else |
748 |
michael |
3189 |
dbuf_put_fmt(buffer, ":%s %s %s ", ID_or_name(from, to), |
749 |
|
|
command, ID_or_name(to, to)); |
750 |
adx |
30 |
|
751 |
|
|
va_start(args, pattern); |
752 |
michael |
3107 |
send_format(buffer, pattern, args); |
753 |
adx |
30 |
va_end(args); |
754 |
|
|
|
755 |
michael |
4805 |
if (MyConnect(to)) |
756 |
michael |
3107 |
send_message(to, buffer); |
757 |
adx |
30 |
else |
758 |
michael |
4802 |
send_message_remote(to->from, from, buffer); |
759 |
michael |
3107 |
|
760 |
|
|
dbuf_ref_free(buffer); |
761 |
adx |
30 |
} |
762 |
|
|
|
763 |
|
|
/* sendto_realops_flags() |
764 |
|
|
* |
765 |
|
|
* inputs - flag types of messages to show to real opers |
766 |
|
|
* - flag indicating opers/admins |
767 |
|
|
* - var args input message |
768 |
|
|
* output - NONE |
769 |
|
|
* side effects - Send to *local* ops only but NOT +s nonopers. |
770 |
|
|
*/ |
771 |
|
|
void |
772 |
michael |
1618 |
sendto_realops_flags(unsigned int flags, int level, int type, const char *pattern, ...) |
773 |
adx |
30 |
{ |
774 |
michael |
8029 |
const char *ntype = "???"; |
775 |
|
|
dlink_node *node; |
776 |
adx |
30 |
va_list args; |
777 |
|
|
|
778 |
michael |
1618 |
switch (type) |
779 |
adx |
30 |
{ |
780 |
michael |
1618 |
case SEND_NOTICE: |
781 |
|
|
ntype = "Notice"; |
782 |
|
|
break; |
783 |
|
|
case SEND_GLOBAL: |
784 |
|
|
ntype = "Global"; |
785 |
|
|
break; |
786 |
|
|
case SEND_LOCOPS: |
787 |
|
|
ntype = "LocOps"; |
788 |
|
|
break; |
789 |
|
|
default: |
790 |
|
|
assert(0); |
791 |
adx |
30 |
} |
792 |
|
|
|
793 |
michael |
8033 |
struct dbuf_block *buffer = dbuf_alloc(); |
794 |
|
|
dbuf_put_fmt(buffer, ":%s NOTICE * :*** %s -- ", me.name, ntype); |
795 |
|
|
|
796 |
|
|
va_start(args, pattern); |
797 |
|
|
send_format(buffer, pattern, args); |
798 |
|
|
va_end(args); |
799 |
|
|
|
800 |
michael |
4816 |
DLINK_FOREACH(node, oper_list.head) |
801 |
michael |
1206 |
{ |
802 |
michael |
4816 |
struct Client *client_p = node->data; |
803 |
michael |
1618 |
assert(HasUMode(client_p, UMODE_OPER)); |
804 |
michael |
1206 |
|
805 |
michael |
1618 |
/* |
806 |
|
|
* If we're sending it to opers and they're an admin, skip. |
807 |
|
|
* If we're sending it to admins, and they're not, skip. |
808 |
michael |
1206 |
*/ |
809 |
michael |
1219 |
if (((level == L_ADMIN) && !HasUMode(client_p, UMODE_ADMIN)) || |
810 |
michael |
2638 |
((level == L_OPER) && HasUMode(client_p, UMODE_ADMIN))) |
811 |
michael |
1206 |
continue; |
812 |
|
|
|
813 |
michael |
8035 |
if (HasUMode(client_p, flags) && !IsDead(client_p)) |
814 |
michael |
8033 |
send_message(client_p, buffer); |
815 |
michael |
1206 |
} |
816 |
michael |
8033 |
|
817 |
|
|
dbuf_ref_free(buffer); |
818 |
michael |
1206 |
} |
819 |
|
|
|
820 |
michael |
3215 |
/* ts_warn() |
821 |
|
|
* |
822 |
|
|
* inputs - var args message |
823 |
|
|
* output - NONE |
824 |
|
|
* side effects - Call sendto_realops_flags, with some flood checking |
825 |
|
|
* (at most 5 warnings every 5 seconds) |
826 |
|
|
*/ |
827 |
|
|
void |
828 |
michael |
7329 |
sendto_realops_flags_ratelimited(uintmax_t *rate, const char *pattern, ...) |
829 |
michael |
3215 |
{ |
830 |
|
|
va_list args; |
831 |
|
|
char buffer[IRCD_BUFSIZE] = ""; |
832 |
|
|
|
833 |
michael |
4430 |
if ((CurrentTime - *rate) < 20) |
834 |
|
|
return; |
835 |
michael |
4889 |
|
836 |
michael |
4430 |
*rate = CurrentTime; |
837 |
michael |
3215 |
|
838 |
|
|
va_start(args, pattern); |
839 |
|
|
vsnprintf(buffer, sizeof(buffer), pattern, args); |
840 |
|
|
va_end(args); |
841 |
|
|
|
842 |
michael |
6317 |
sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE, "%s", buffer); |
843 |
michael |
3215 |
ilog(LOG_TYPE_IRCD, "%s", buffer); |
844 |
|
|
} |
845 |
|
|
|
846 |
adx |
30 |
/* sendto_wallops_flags() |
847 |
|
|
* |
848 |
|
|
* inputs - flag types of messages to show to real opers |
849 |
|
|
* - client sending request |
850 |
|
|
* - var args input message |
851 |
|
|
* output - NONE |
852 |
|
|
* side effects - Send a wallops to local opers |
853 |
|
|
*/ |
854 |
|
|
void |
855 |
michael |
7321 |
sendto_wallops_flags(unsigned int flags, const struct Client *source_p, |
856 |
adx |
30 |
const char *pattern, ...) |
857 |
|
|
{ |
858 |
michael |
8348 |
dlink_node *node; |
859 |
adx |
30 |
va_list args; |
860 |
michael |
4816 |
struct dbuf_block *buffer = dbuf_alloc(); |
861 |
adx |
30 |
|
862 |
|
|
if (IsClient(source_p)) |
863 |
michael |
3113 |
dbuf_put_fmt(buffer, ":%s!%s@%s WALLOPS :", source_p->name, source_p->username, source_p->host); |
864 |
adx |
30 |
else |
865 |
michael |
3113 |
dbuf_put_fmt(buffer, ":%s WALLOPS :", source_p->name); |
866 |
adx |
30 |
|
867 |
|
|
va_start(args, pattern); |
868 |
michael |
3107 |
send_format(buffer, pattern, args); |
869 |
adx |
30 |
va_end(args); |
870 |
|
|
|
871 |
michael |
4816 |
DLINK_FOREACH(node, oper_list.head) |
872 |
adx |
30 |
{ |
873 |
michael |
4816 |
struct Client *client_p = node->data; |
874 |
adx |
30 |
assert(client_p->umodes & UMODE_OPER); |
875 |
|
|
|
876 |
michael |
8035 |
if (HasUMode(client_p, flags) && !IsDead(client_p)) |
877 |
michael |
3107 |
send_message(client_p, buffer); |
878 |
adx |
30 |
} |
879 |
michael |
3107 |
|
880 |
|
|
dbuf_ref_free(buffer); |
881 |
adx |
30 |
} |