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/* |
| 2 |
* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd) |
| 3 |
* |
| 4 |
* Copyright (c) 1997-2015 ircd-hybrid development team |
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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. |
| 10 |
* |
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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 |
| 13 |
* 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 |
| 17 |
* along with this program; if not, write to the Free Software |
| 18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 |
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* USA |
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*/ |
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|
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/*! \file m_message.c |
| 23 |
* \brief Includes required functions for processing the PRIVMSG/NOTICE command. |
| 24 |
* \version $Id$ |
| 25 |
*/ |
| 26 |
|
| 27 |
#include "stdinc.h" |
| 28 |
#include "list.h" |
| 29 |
#include "client.h" |
| 30 |
#include "ircd.h" |
| 31 |
#include "numeric.h" |
| 32 |
#include "conf.h" |
| 33 |
#include "server.h" |
| 34 |
#include "send.h" |
| 35 |
#include "parse.h" |
| 36 |
#include "modules.h" |
| 37 |
#include "channel.h" |
| 38 |
#include "channel_mode.h" |
| 39 |
#include "irc_string.h" |
| 40 |
#include "hash.h" |
| 41 |
#include "packet.h" |
| 42 |
|
| 43 |
|
| 44 |
enum |
| 45 |
{ |
| 46 |
PRIVMSG = 0, |
| 47 |
NOTICE = 1 |
| 48 |
}; |
| 49 |
|
| 50 |
enum |
| 51 |
{ |
| 52 |
ENTITY_NONE = 0, |
| 53 |
ENTITY_CHANNEL = 1, |
| 54 |
ENTITY_CLIENT = 2 |
| 55 |
}; |
| 56 |
|
| 57 |
static struct |
| 58 |
{ |
| 59 |
void *ptr; |
| 60 |
unsigned int type; |
| 61 |
unsigned int flags; |
| 62 |
} targets[IRCD_BUFSIZE]; |
| 63 |
|
| 64 |
static unsigned int ntargets; |
| 65 |
|
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|
| 67 |
/* |
| 68 |
** m_privmsg |
| 69 |
** |
| 70 |
** massive cleanup |
| 71 |
** rev argv 6/91 |
| 72 |
** |
| 73 |
** Another massive cleanup Nov, 2000 |
| 74 |
** (I don't think there is a single line left from 6/91. Maybe.) |
| 75 |
** m_privmsg and m_notice do basically the same thing. |
| 76 |
** in the original 2.8.2 code base, they were the same function |
| 77 |
** "m_message.c." When we did the great cleanup in conjuncton with bleep |
| 78 |
** of ircu fame, we split m_privmsg.c and m_notice.c. |
| 79 |
** I don't see the point of that now. It's harder to maintain, it's |
| 80 |
** easier to introduce bugs into one version and not the other etc. |
| 81 |
** Really, the penalty of an extra function call isn't that big a deal folks. |
| 82 |
** -db Nov 13, 2000 |
| 83 |
** |
| 84 |
*/ |
| 85 |
|
| 86 |
/* duplicate_ptr() |
| 87 |
* |
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* inputs - pointer to check |
| 89 |
* - pointer to table of entities |
| 90 |
* - number of valid entities so far |
| 91 |
* output - YES if duplicate pointer in table, NO if not. |
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* note, this does the canonize using pointers |
| 93 |
* side effects - NONE |
| 94 |
*/ |
| 95 |
static int |
| 96 |
duplicate_ptr(const void *const ptr) |
| 97 |
{ |
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for (unsigned int i = 0; i < ntargets; ++i) |
| 99 |
if (targets[i].ptr == ptr) |
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return 1; |
| 101 |
|
| 102 |
return 0; |
| 103 |
} |
| 104 |
|
| 105 |
/* flood_attack_client() |
| 106 |
* |
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* inputs - flag 0 if PRIVMSG 1 if NOTICE. RFC |
| 108 |
* say NOTICE must not auto reply |
| 109 |
* - pointer to source Client |
| 110 |
* - pointer to target Client |
| 111 |
* output - 1 if target is under flood attack |
| 112 |
* side effects - check for flood attack on target target_p |
| 113 |
*/ |
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static int |
| 115 |
flood_attack_client(int p_or_n, struct Client *source_p, struct Client *target_p) |
| 116 |
{ |
| 117 |
assert(MyClient(target_p)); |
| 118 |
assert(IsClient(source_p)); |
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|
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if (HasUMode(source_p, UMODE_OPER) || HasFlag(source_p, FLAGS_SERVICE)) |
| 121 |
return 0; |
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|
| 123 |
if (GlobalSetOptions.floodcount && !HasFlag(source_p, FLAGS_CANFLOOD)) |
| 124 |
{ |
| 125 |
if ((target_p->connection->first_received_message_time + 1) |
| 126 |
< CurrentTime) |
| 127 |
{ |
| 128 |
const int delta = |
| 129 |
CurrentTime - target_p->connection->first_received_message_time; |
| 130 |
target_p->connection->received_number_of_privmsgs -= delta; |
| 131 |
target_p->connection->first_received_message_time = CurrentTime; |
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|
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if (target_p->connection->received_number_of_privmsgs <= 0) |
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{ |
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target_p->connection->received_number_of_privmsgs = 0; |
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DelFlag(target_p, FLAGS_FLOOD_NOTICED); |
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} |
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} |
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|
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if ((target_p->connection->received_number_of_privmsgs >= |
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GlobalSetOptions.floodcount) || HasFlag(target_p, FLAGS_FLOOD_NOTICED)) |
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{ |
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if (!HasFlag(target_p, FLAGS_FLOOD_NOTICED)) |
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{ |
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sendto_realops_flags(UMODE_BOTS, L_ALL, SEND_NOTICE, |
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"Possible Flooder %s on %s target: %s", |
| 147 |
get_client_name(source_p, HIDE_IP), |
| 148 |
source_p->servptr->name, target_p->name); |
| 149 |
|
| 150 |
AddFlag(target_p, FLAGS_FLOOD_NOTICED); |
| 151 |
target_p->connection->received_number_of_privmsgs += 2; /* Add a bit of penalty */ |
| 152 |
} |
| 153 |
|
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if (MyClient(source_p) && p_or_n != NOTICE) |
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sendto_one_notice(source_p, &me, ":*** Message to %s throttled due to flooding", |
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target_p->name); |
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return 1; |
| 158 |
} |
| 159 |
else |
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target_p->connection->received_number_of_privmsgs++; |
| 161 |
} |
| 162 |
|
| 163 |
return 0; |
| 164 |
} |
| 165 |
|
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/* flood_attack_channel() |
| 167 |
* |
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* inputs - flag 0 if PRIVMSG 1 if NOTICE. RFC |
| 169 |
* says NOTICE must not auto reply |
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* - pointer to source Client |
| 171 |
* - pointer to target channel |
| 172 |
* output - 1 if target is under flood attack |
| 173 |
* side effects - check for flood attack on target chptr |
| 174 |
*/ |
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static int |
| 176 |
flood_attack_channel(int p_or_n, struct Client *source_p, struct Channel *chptr) |
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{ |
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if (GlobalSetOptions.floodcount && !HasFlag(source_p, FLAGS_CANFLOOD)) |
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{ |
| 180 |
if ((chptr->first_received_message_time + 1) < CurrentTime) |
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{ |
| 182 |
const int delta = CurrentTime - chptr->first_received_message_time; |
| 183 |
chptr->received_number_of_privmsgs -= delta; |
| 184 |
chptr->first_received_message_time = CurrentTime; |
| 185 |
|
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if (chptr->received_number_of_privmsgs <= 0) |
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{ |
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chptr->received_number_of_privmsgs = 0; |
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ClearFloodNoticed(chptr); |
| 190 |
} |
| 191 |
} |
| 192 |
|
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if ((chptr->received_number_of_privmsgs >= GlobalSetOptions.floodcount) || |
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IsSetFloodNoticed(chptr)) |
| 195 |
{ |
| 196 |
if (!IsSetFloodNoticed(chptr)) |
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{ |
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sendto_realops_flags(UMODE_BOTS, L_ALL, SEND_NOTICE, |
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"Possible Flooder %s on %s target: %s", |
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get_client_name(source_p, HIDE_IP), |
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source_p->servptr->name, chptr->name); |
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|
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SetFloodNoticed(chptr); |
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chptr->received_number_of_privmsgs += 2; /* Add a bit of penalty */ |
| 205 |
} |
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|
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if (MyClient(source_p) && p_or_n != NOTICE) |
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sendto_one_notice(source_p, &me, ":*** Message to %s throttled due to flooding", |
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chptr->name); |
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return 1; |
| 211 |
} |
| 212 |
else |
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chptr->received_number_of_privmsgs++; |
| 214 |
} |
| 215 |
|
| 216 |
return 0; |
| 217 |
} |
| 218 |
|
| 219 |
/* msg_channel_flags() |
| 220 |
* |
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* inputs - flag 0 if PRIVMSG 1 if NOTICE. RFC |
| 222 |
* say NOTICE must not auto reply |
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* - pointer to command, "PRIVMSG" or "NOTICE" |
| 224 |
* - pointer to source_p |
| 225 |
* - pointer to channel |
| 226 |
* - flags |
| 227 |
* - pointer to text to send |
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* output - NONE |
| 229 |
* side effects - message given channel either chanop or voice |
| 230 |
*/ |
| 231 |
static void |
| 232 |
msg_channel(int p_or_n, const char *command, struct Client *source_p, |
| 233 |
struct Channel *chptr, unsigned int flags, const char *text) |
| 234 |
{ |
| 235 |
int result = 0; |
| 236 |
unsigned int type = 0; |
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const char *prefix = ""; |
| 238 |
|
| 239 |
if (flags & CHFL_VOICE) |
| 240 |
{ |
| 241 |
type = CHFL_CHANOP | CHFL_HALFOP | CHFL_VOICE; |
| 242 |
prefix = "+"; |
| 243 |
} |
| 244 |
else if (flags & CHFL_HALFOP) |
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{ |
| 246 |
type = CHFL_CHANOP | CHFL_HALFOP; |
| 247 |
prefix = "%"; |
| 248 |
} |
| 249 |
else if (flags & CHFL_CHANOP) |
| 250 |
{ |
| 251 |
type = CHFL_CHANOP; |
| 252 |
prefix = "@"; |
| 253 |
} |
| 254 |
|
| 255 |
/* Chanops and voiced can flood their own channel with impunity */ |
| 256 |
if ((result = can_send(chptr, source_p, NULL, text)) < 0) |
| 257 |
{ |
| 258 |
if (result == CAN_SEND_OPV || |
| 259 |
!flood_attack_channel(p_or_n, source_p, chptr)) |
| 260 |
sendto_channel_butone(source_p, source_p, chptr, type, "%s %s%s :%s", |
| 261 |
command, prefix, chptr->name, text); |
| 262 |
} |
| 263 |
else if (p_or_n != NOTICE) |
| 264 |
{ |
| 265 |
if (result == ERR_NOCTRLSONCHAN) |
| 266 |
sendto_one_numeric(source_p, &me, ERR_NOCTRLSONCHAN, |
| 267 |
chptr->name, text); |
| 268 |
else if (result == ERR_NOCTCP) |
| 269 |
sendto_one_numeric(source_p, &me, ERR_NOCTCP, |
| 270 |
chptr->name, text); |
| 271 |
else if (result == ERR_NEEDREGGEDNICK) |
| 272 |
sendto_one_numeric(source_p, &me, ERR_NEEDREGGEDNICK, |
| 273 |
chptr->name); |
| 274 |
else |
| 275 |
sendto_one_numeric(source_p, &me, ERR_CANNOTSENDTOCHAN, |
| 276 |
chptr->name); |
| 277 |
} |
| 278 |
} |
| 279 |
|
| 280 |
/* msg_client() |
| 281 |
* |
| 282 |
* inputs - flag 0 if PRIVMSG 1 if NOTICE. RFC |
| 283 |
* say NOTICE must not auto reply |
| 284 |
* - pointer to command, "PRIVMSG" or "NOTICE" |
| 285 |
* - pointer to source_p source (struct Client *) |
| 286 |
* - pointer to target_p target (struct Client *) |
| 287 |
* - pointer to text |
| 288 |
* output - NONE |
| 289 |
* side effects - message given channel either chanop or voice |
| 290 |
*/ |
| 291 |
static void |
| 292 |
msg_client(int p_or_n, const char *command, struct Client *source_p, |
| 293 |
struct Client *target_p, const char *text) |
| 294 |
{ |
| 295 |
if (MyClient(source_p)) |
| 296 |
{ |
| 297 |
if (target_p->away[0] && p_or_n != NOTICE) |
| 298 |
sendto_one_numeric(source_p, &me, RPL_AWAY, target_p->name, target_p->away); |
| 299 |
|
| 300 |
if (HasUMode(target_p, UMODE_REGONLY) && target_p != source_p) |
| 301 |
{ |
| 302 |
if (!HasUMode(source_p, UMODE_REGISTERED | UMODE_OPER)) |
| 303 |
{ |
| 304 |
if (p_or_n != NOTICE) |
| 305 |
sendto_one_numeric(source_p, &me, ERR_NONONREG, target_p->name); |
| 306 |
return; |
| 307 |
} |
| 308 |
} |
| 309 |
} |
| 310 |
|
| 311 |
if (MyClient(target_p) && IsClient(source_p)) |
| 312 |
{ |
| 313 |
if (HasUMode(target_p, UMODE_CALLERID | UMODE_SOFTCALLERID) && |
| 314 |
!accept_message(source_p, target_p)) |
| 315 |
{ |
| 316 |
const int callerid = !!HasUMode(target_p, UMODE_CALLERID); |
| 317 |
|
| 318 |
/* check for accept, flag recipient incoming message */ |
| 319 |
if (p_or_n != NOTICE) |
| 320 |
sendto_one_numeric(source_p, &me, RPL_TARGUMODEG, |
| 321 |
target_p->name, |
| 322 |
callerid ? "+g" : "+G", |
| 323 |
callerid ? "server side ignore" : |
| 324 |
"server side ignore with the exception of common channels"); |
| 325 |
|
| 326 |
if ((target_p->connection->last_caller_id_time + |
| 327 |
ConfigGeneral.caller_id_wait) < CurrentTime) |
| 328 |
{ |
| 329 |
if (p_or_n != NOTICE) |
| 330 |
sendto_one_numeric(source_p, &me, RPL_TARGNOTIFY, target_p->name); |
| 331 |
|
| 332 |
sendto_one_numeric(target_p, &me, RPL_UMODEGMSG, |
| 333 |
source_p->name, source_p->username, source_p->host, |
| 334 |
callerid ? "+g" : "+G"); |
| 335 |
target_p->connection->last_caller_id_time = CurrentTime; |
| 336 |
} |
| 337 |
|
| 338 |
/* Only so opers can watch for floods */ |
| 339 |
flood_attack_client(NOTICE, source_p, target_p); |
| 340 |
return; |
| 341 |
} |
| 342 |
|
| 343 |
if (flood_attack_client(p_or_n, source_p, target_p)) |
| 344 |
return; |
| 345 |
} |
| 346 |
|
| 347 |
sendto_anywhere(target_p, source_p, command, ":%s", text); |
| 348 |
} |
| 349 |
|
| 350 |
/* handle_special() |
| 351 |
* |
| 352 |
* inputs - client pointer |
| 353 |
* - nick stuff to grok for opers |
| 354 |
* - text to send if grok |
| 355 |
* output - none |
| 356 |
* side effects - old style username@server is handled here for non opers |
| 357 |
* opers are allowed username%hostname@server |
| 358 |
* all the traditional oper type messages are also parsed here. |
| 359 |
* i.e. "/msg #some.host." |
| 360 |
* However, syntax has been changed. |
| 361 |
* previous syntax "/msg #some.host.mask" |
| 362 |
* now becomes "/msg $#some.host.mask" |
| 363 |
* previous syntax of: "/msg $some.server.mask" remains |
| 364 |
* This disambiguates the syntax. |
| 365 |
* |
| 366 |
* XXX N.B. dalnet changed it to nick@server as have other servers. |
| 367 |
* we will stick with tradition for now. |
| 368 |
* - Dianora |
| 369 |
*/ |
| 370 |
static void |
| 371 |
handle_special(int p_or_n, const char *command, struct Client *source_p, |
| 372 |
const char *nick, const char *text) |
| 373 |
{ |
| 374 |
struct Client *target_p = NULL; |
| 375 |
const char *server = NULL, *s = NULL; |
| 376 |
|
| 377 |
/* |
| 378 |
* user[%host]@server addressed? |
| 379 |
*/ |
| 380 |
if ((server = strchr(nick, '@'))) |
| 381 |
{ |
| 382 |
if ((target_p = hash_find_server(server + 1)) == NULL) |
| 383 |
{ |
| 384 |
sendto_one_numeric(source_p, &me, ERR_NOSUCHSERVER, server + 1); |
| 385 |
return; |
| 386 |
} |
| 387 |
|
| 388 |
if (!HasUMode(source_p, UMODE_OPER) && strchr(nick, '%')) |
| 389 |
{ |
| 390 |
sendto_one_numeric(source_p, &me, ERR_NOSUCHNICK, nick); |
| 391 |
return; |
| 392 |
} |
| 393 |
|
| 394 |
if (!IsMe(target_p)) |
| 395 |
{ |
| 396 |
sendto_one(target_p, ":%s %s %s :%s", source_p->id, command, nick, text); |
| 397 |
return; |
| 398 |
} |
| 399 |
|
| 400 |
sendto_one_numeric(source_p, &me, ERR_NOSUCHNICK, nick); |
| 401 |
return; |
| 402 |
} |
| 403 |
|
| 404 |
if (!HasUMode(source_p, UMODE_OPER)) |
| 405 |
{ |
| 406 |
sendto_one_numeric(source_p, &me, ERR_NOPRIVILEGES); |
| 407 |
return; |
| 408 |
} |
| 409 |
|
| 410 |
/* |
| 411 |
* The following two cases allow masks in NOTICEs |
| 412 |
* (for OPERs only) |
| 413 |
* |
| 414 |
* Armin, 8Jun90 (gruner@informatik.tu-muenchen.de) |
| 415 |
*/ |
| 416 |
if (*nick == '$') |
| 417 |
{ |
| 418 |
if (*(nick + 1) == '$' || *(nick + 1) == '#') |
| 419 |
++nick; |
| 420 |
else if (MyClient(source_p)) |
| 421 |
{ |
| 422 |
sendto_one_notice(source_p, &me, ":The command %s %s is no longer supported, please use $%s", |
| 423 |
command, nick, nick); |
| 424 |
return; |
| 425 |
} |
| 426 |
|
| 427 |
if ((s = strrchr(nick, '.')) == NULL) |
| 428 |
{ |
| 429 |
sendto_one_numeric(source_p, &me, ERR_NOTOPLEVEL, nick); |
| 430 |
return; |
| 431 |
} |
| 432 |
|
| 433 |
while (*++s) |
| 434 |
if (*s == '.' || *s == '*' || *s == '?') |
| 435 |
break; |
| 436 |
|
| 437 |
if (*s == '*' || *s == '?') |
| 438 |
{ |
| 439 |
sendto_one_numeric(source_p, &me, ERR_WILDTOPLEVEL, nick); |
| 440 |
return; |
| 441 |
} |
| 442 |
|
| 443 |
sendto_match_butone(IsServer(source_p->from) ? source_p->from : NULL, source_p, |
| 444 |
nick + 1, (*nick == '#') ? MATCH_HOST : MATCH_SERVER, |
| 445 |
"%s $%s :%s", command, nick, text); |
| 446 |
} |
| 447 |
} |
| 448 |
|
| 449 |
/* build_target_list() |
| 450 |
* |
| 451 |
* inputs - pointer to given source (oper/client etc.) |
| 452 |
* - pointer to list of nicks/channels |
| 453 |
* - pointer to table to place results |
| 454 |
* - pointer to text (only used if source_p is an oper) |
| 455 |
* output - number of valid entities |
| 456 |
* side effects - target_table is modified to contain a list of |
| 457 |
* pointers to channels or clients |
| 458 |
* if source client is an oper |
| 459 |
* all the classic old bizzare oper privmsg tricks |
| 460 |
* are parsed and sent as is, if prefixed with $ |
| 461 |
* to disambiguate. |
| 462 |
* |
| 463 |
*/ |
| 464 |
static int |
| 465 |
build_target_list(int p_or_n, const char *command, struct Client *source_p, |
| 466 |
char *list, const char *text) |
| 467 |
{ |
| 468 |
unsigned int type = 0; |
| 469 |
char *p = NULL; |
| 470 |
void *target = NULL; |
| 471 |
|
| 472 |
ntargets = 0; |
| 473 |
|
| 474 |
for (const char *name = strtok_r(list, ",", &p); name; |
| 475 |
name = strtok_r(NULL, ",", &p)) |
| 476 |
{ |
| 477 |
const char *with_prefix = NULL; |
| 478 |
|
| 479 |
/* |
| 480 |
* Channels are privmsg'd a lot more than other clients, moved up |
| 481 |
* here plain old channel msg? |
| 482 |
*/ |
| 483 |
if (IsChanPrefix(*name)) |
| 484 |
{ |
| 485 |
if ((target = hash_find_channel(name))) |
| 486 |
{ |
| 487 |
if (!duplicate_ptr(target)) |
| 488 |
{ |
| 489 |
if (ntargets >= ConfigGeneral.max_targets) |
| 490 |
{ |
| 491 |
sendto_one_numeric(source_p, &me, ERR_TOOMANYTARGETS, |
| 492 |
name, ConfigGeneral.max_targets); |
| 493 |
return 1; |
| 494 |
} |
| 495 |
|
| 496 |
targets[ntargets].ptr = target; |
| 497 |
targets[ntargets].type = ENTITY_CHANNEL; |
| 498 |
targets[ntargets++].flags = 0; |
| 499 |
} |
| 500 |
} |
| 501 |
else if (p_or_n != NOTICE) |
| 502 |
sendto_one_numeric(source_p, &me, ERR_NOSUCHNICK, name); |
| 503 |
|
| 504 |
continue; |
| 505 |
} |
| 506 |
|
| 507 |
/* Look for a PRIVMSG/NOTICE to another client */ |
| 508 |
if ((target = find_person(source_p, name))) |
| 509 |
{ |
| 510 |
if (!duplicate_ptr(target)) |
| 511 |
{ |
| 512 |
if (ntargets >= ConfigGeneral.max_targets) |
| 513 |
{ |
| 514 |
sendto_one_numeric(source_p, &me, ERR_TOOMANYTARGETS, |
| 515 |
name, ConfigGeneral.max_targets); |
| 516 |
return 1; |
| 517 |
} |
| 518 |
|
| 519 |
targets[ntargets].ptr = target; |
| 520 |
targets[ntargets].type = ENTITY_CLIENT; |
| 521 |
targets[ntargets++].flags = 0; |
| 522 |
} |
| 523 |
|
| 524 |
continue; |
| 525 |
} |
| 526 |
|
| 527 |
/* @#channel or +#channel message ? */ |
| 528 |
type = 0; |
| 529 |
with_prefix = name; |
| 530 |
|
| 531 |
/* Allow %+@ if someone wants to do that */ |
| 532 |
while (1) |
| 533 |
{ |
| 534 |
if (*name == '@') |
| 535 |
type |= CHFL_CHANOP; |
| 536 |
else if (*name == '%') |
| 537 |
type |= CHFL_CHANOP | CHFL_HALFOP; |
| 538 |
else if (*name == '+') |
| 539 |
type |= CHFL_CHANOP | CHFL_HALFOP | CHFL_VOICE; |
| 540 |
else |
| 541 |
break; |
| 542 |
++name; |
| 543 |
} |
| 544 |
|
| 545 |
if (type) |
| 546 |
{ |
| 547 |
if (EmptyString(name)) /* If it's a '\0' dump it, there is no recipient */ |
| 548 |
{ |
| 549 |
sendto_one_numeric(source_p, &me, ERR_NORECIPIENT, command); |
| 550 |
continue; |
| 551 |
} |
| 552 |
|
| 553 |
/* |
| 554 |
* At this point, name+1 should be a channel name i.e. #foo or &foo |
| 555 |
* if the channel is found, fine, if not report an error |
| 556 |
*/ |
| 557 |
if ((target = hash_find_channel(name))) |
| 558 |
{ |
| 559 |
if (IsClient(source_p) && !HasFlag(source_p, FLAGS_SERVICE)) |
| 560 |
{ |
| 561 |
if (!has_member_flags(find_channel_link(source_p, target), |
| 562 |
CHFL_CHANOP|CHFL_HALFOP|CHFL_VOICE)) |
| 563 |
{ |
| 564 |
sendto_one_numeric(source_p, &me, ERR_CHANOPRIVSNEEDED, with_prefix); |
| 565 |
continue; |
| 566 |
} |
| 567 |
} |
| 568 |
|
| 569 |
if (!duplicate_ptr(target)) |
| 570 |
{ |
| 571 |
if (ntargets >= ConfigGeneral.max_targets) |
| 572 |
{ |
| 573 |
sendto_one_numeric(source_p, &me, ERR_TOOMANYTARGETS, |
| 574 |
name, ConfigGeneral.max_targets); |
| 575 |
return 1; |
| 576 |
} |
| 577 |
|
| 578 |
targets[ntargets].ptr = target; |
| 579 |
targets[ntargets].type = ENTITY_CHANNEL; |
| 580 |
targets[ntargets++].flags = type; |
| 581 |
} |
| 582 |
} |
| 583 |
else if (p_or_n != NOTICE) |
| 584 |
sendto_one_numeric(source_p, &me, ERR_NOSUCHNICK, name); |
| 585 |
|
| 586 |
continue; |
| 587 |
} |
| 588 |
|
| 589 |
if (*name == '$' || strchr(name, '@')) |
| 590 |
handle_special(p_or_n, command, source_p, name, text); |
| 591 |
else if (p_or_n != NOTICE) |
| 592 |
{ |
| 593 |
if (!IsDigit(*name) || MyClient(source_p)) |
| 594 |
sendto_one_numeric(source_p, &me, ERR_NOSUCHNICK, name); |
| 595 |
} |
| 596 |
} |
| 597 |
|
| 598 |
return 1; |
| 599 |
} |
| 600 |
|
| 601 |
/* |
| 602 |
* inputs - flag privmsg or notice |
| 603 |
* - pointer to command "PRIVMSG" or "NOTICE" |
| 604 |
* - pointer to source_p |
| 605 |
* - pointer to channel |
| 606 |
*/ |
| 607 |
static void |
| 608 |
m_message(int p_or_n, const char *command, struct Client *source_p, int parc, char *parv[]) |
| 609 |
{ |
| 610 |
if (parc < 2 || EmptyString(parv[1])) |
| 611 |
{ |
| 612 |
if (p_or_n != NOTICE) |
| 613 |
sendto_one_numeric(source_p, &me, ERR_NORECIPIENT, command); |
| 614 |
return; |
| 615 |
} |
| 616 |
|
| 617 |
if (parc < 3 || EmptyString(parv[2])) |
| 618 |
{ |
| 619 |
if (p_or_n != NOTICE) |
| 620 |
sendto_one_numeric(source_p, &me, ERR_NOTEXTTOSEND); |
| 621 |
return; |
| 622 |
} |
| 623 |
|
| 624 |
/* Finish the flood grace period... */ |
| 625 |
if (MyClient(source_p) && !IsFloodDone(source_p)) |
| 626 |
flood_endgrace(source_p); |
| 627 |
|
| 628 |
if (build_target_list(p_or_n, command, source_p, parv[1], parv[2]) < 0) |
| 629 |
return; |
| 630 |
|
| 631 |
for (unsigned int i = 0; i < ntargets; ++i) |
| 632 |
{ |
| 633 |
switch (targets[i].type) |
| 634 |
{ |
| 635 |
case ENTITY_CLIENT: |
| 636 |
msg_client(p_or_n, command, source_p, targets[i].ptr, parv[2]); |
| 637 |
break; |
| 638 |
|
| 639 |
case ENTITY_CHANNEL: |
| 640 |
msg_channel(p_or_n, command, source_p, targets[i].ptr, |
| 641 |
targets[i].flags, parv[2]); |
| 642 |
break; |
| 643 |
} |
| 644 |
} |
| 645 |
} |
| 646 |
|
| 647 |
static int |
| 648 |
m_privmsg(struct Client *source_p, int parc, char *parv[]) |
| 649 |
{ |
| 650 |
/* |
| 651 |
* Servers have no reason to send privmsgs, yet sometimes there is cause |
| 652 |
* for a notice.. (for example remote kline replies) --fl_ |
| 653 |
*/ |
| 654 |
if (!IsClient(source_p)) |
| 655 |
return 0; |
| 656 |
|
| 657 |
if (MyConnect(source_p)) |
| 658 |
source_p->connection->last_privmsg = CurrentTime; |
| 659 |
|
| 660 |
m_message(PRIVMSG, "PRIVMSG", source_p, parc, parv); |
| 661 |
return 0; |
| 662 |
} |
| 663 |
|
| 664 |
static int |
| 665 |
m_notice(struct Client *source_p, int parc, char *parv[]) |
| 666 |
{ |
| 667 |
m_message(NOTICE, "NOTICE", source_p, parc, parv); |
| 668 |
return 0; |
| 669 |
} |
| 670 |
|
| 671 |
static struct Message privmsg_msgtab = |
| 672 |
{ |
| 673 |
.cmd = "PRIVMSG", |
| 674 |
.args_max = MAXPARA, |
| 675 |
.handlers[UNREGISTERED_HANDLER] = m_unregistered, |
| 676 |
.handlers[CLIENT_HANDLER] = m_privmsg, |
| 677 |
.handlers[SERVER_HANDLER] = m_privmsg, |
| 678 |
.handlers[ENCAP_HANDLER] = m_ignore, |
| 679 |
.handlers[OPER_HANDLER] = m_privmsg |
| 680 |
}; |
| 681 |
|
| 682 |
static struct Message notice_msgtab = |
| 683 |
{ |
| 684 |
.cmd = "NOTICE", |
| 685 |
.args_max = MAXPARA, |
| 686 |
.handlers[UNREGISTERED_HANDLER] = m_unregistered, |
| 687 |
.handlers[CLIENT_HANDLER] = m_notice, |
| 688 |
.handlers[SERVER_HANDLER] = m_notice, |
| 689 |
.handlers[ENCAP_HANDLER] = m_ignore, |
| 690 |
.handlers[OPER_HANDLER] = m_notice |
| 691 |
}; |
| 692 |
|
| 693 |
static void |
| 694 |
module_init(void) |
| 695 |
{ |
| 696 |
mod_add_cmd(&privmsg_msgtab); |
| 697 |
mod_add_cmd(¬ice_msgtab); |
| 698 |
} |
| 699 |
|
| 700 |
static void |
| 701 |
module_exit(void) |
| 702 |
{ |
| 703 |
mod_del_cmd(&privmsg_msgtab); |
| 704 |
mod_del_cmd(¬ice_msgtab); |
| 705 |
} |
| 706 |
|
| 707 |
struct module module_entry = |
| 708 |
{ |
| 709 |
.version = "$Revision$", |
| 710 |
.modinit = module_init, |
| 711 |
.modexit = module_exit, |
| 712 |
.flags = MODULE_FLAG_CORE |
| 713 |
}; |
