| 1 |
/* |
| 2 |
* Copyright (c) 2021-2022 joshua stein <jcs@jcs.org> |
| 3 |
* |
| 4 |
* Permission to use, copy, modify, and distribute this software for any |
| 5 |
* purpose with or without fee is hereby granted, provided that the above |
| 6 |
* copyright notice and this permission notice appear in all copies. |
| 7 |
* |
| 8 |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 9 |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 10 |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 11 |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 12 |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 13 |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 14 |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 15 |
*/ |
| 16 |
|
| 17 |
#include <ctype.h> |
| 18 |
#include <string.h> |
| 19 |
#include <stdarg.h> |
| 20 |
|
| 21 |
#include "chatter.h" |
| 22 |
#include "irc.h" |
| 23 |
#include "settings.h" |
| 24 |
|
| 25 |
short irc_recv(struct irc_connection *conn); |
| 26 |
size_t irc_send(struct irc_connection *conn, char *line, size_t size); |
| 27 |
size_t irc_printf(struct irc_connection *conn, const char *format, ...); |
| 28 |
char * irc_get_line(struct irc_connection *conn, size_t *retsize); |
| 29 |
struct irc_user * irc_parse_user(char *str); |
| 30 |
bool irc_can_send(struct irc_connection *conn); |
| 31 |
struct irc_channel * irc_find_channel(struct irc_connection *conn, |
| 32 |
char *channame); |
| 33 |
void irc_register(struct irc_connection *conn); |
| 34 |
bool irc_process_server(struct irc_connection *conn); |
| 35 |
struct irc_channel * irc_create_channel(struct irc_connection *conn, |
| 36 |
char *channame); |
| 37 |
void irc_quit_with_message(struct irc_connection *conn, char *str); |
| 38 |
void irc_dealloc_channel(struct irc_channel *channel); |
| 39 |
void irc_set_active_channel(struct irc_connection *conn, char *channame); |
| 40 |
void irc_buffer_names(struct irc_channel *channel, char *line); |
| 41 |
void irc_parse_buffered_names(struct irc_channel *channel); |
| 42 |
void irc_add_nick_to_channel(struct irc_channel *channel, char *nick, |
| 43 |
short flags, short count_hint); |
| 44 |
void irc_remove_nick_from_channel(struct irc_channel *channel, char *nick); |
| 45 |
bool irc_nick_is_in_channel(struct irc_channel *channel, char *nick); |
| 46 |
void irc_change_user_nick(struct irc_connection *conn, |
| 47 |
struct irc_channel *channel, struct irc_user *user, char *nick); |
| 48 |
bool irc_parse_channel_mode_change(struct irc_channel *channel, char *mode, |
| 49 |
char *args); |
| 50 |
void irc_do_mode_to_users(struct irc_connection *conn, char *channel_name, |
| 51 |
char *mode, char *nicks); |
| 52 |
|
| 53 |
#define IRC_CAN_SEND(conn) ((conn)->send_pb.ioResult <= 0) |
| 54 |
|
| 55 |
struct irc_connections_head irc_connections_list = |
| 56 |
SLIST_HEAD_INITIALIZER(irc_connections_list); |
| 57 |
|
| 58 |
struct irc_connection * |
| 59 |
irc_connect(struct chatter *chatter, const char *server, |
| 60 |
const unsigned short port, const char *password, const char *nick, |
| 61 |
const char *ident, const char *realname, bool hide_motd, |
| 62 |
const char *channel) |
| 63 |
{ |
| 64 |
struct irc_connection *conn; |
| 65 |
char ip_str[] = "255.255.255.255"; |
| 66 |
ip_addr ip = 0, local_ip = 0; |
| 67 |
ip_port local_port = 0; |
| 68 |
size_t len; |
| 69 |
short err; |
| 70 |
|
| 71 |
if ((err = _TCPInit()) != 0) |
| 72 |
panic("TCPInit failed (%d)", err); |
| 73 |
|
| 74 |
conn = xmalloczero(sizeof(struct irc_connection)); |
| 75 |
if (conn == NULL) |
| 76 |
goto conn_fail; |
| 77 |
SLIST_APPEND(&irc_connections_list, conn, irc_connection, list); |
| 78 |
SLIST_INIT(&conn->channels_list); |
| 79 |
conn->chatter = chatter; |
| 80 |
conn->state = IRC_STATE_DISCONNECTED; |
| 81 |
conn->hostname = xstrdup(server); |
| 82 |
if (conn->hostname == NULL) |
| 83 |
goto conn_fail; |
| 84 |
conn->port = port; |
| 85 |
if (password && password[0]) { |
| 86 |
conn->password = xstrdup(password); |
| 87 |
if (conn->password == NULL) |
| 88 |
goto conn_fail; |
| 89 |
} |
| 90 |
|
| 91 |
conn->nick_len = strlen(nick); |
| 92 |
conn->nick = xstrdup(nick); |
| 93 |
if (conn->nick == NULL) |
| 94 |
goto conn_fail; |
| 95 |
conn->ident = xstrdup(ident); |
| 96 |
if (conn->ident == NULL) |
| 97 |
goto conn_fail; |
| 98 |
conn->realname = xstrdup(realname); |
| 99 |
if (conn->realname == NULL) |
| 100 |
goto conn_fail; |
| 101 |
conn->hide_motd = hide_motd; |
| 102 |
if (channel && channel[0]) { |
| 103 |
conn->channel_autojoin = xstrdup(channel); |
| 104 |
if (conn->channel_autojoin == NULL) |
| 105 |
goto conn_fail; |
| 106 |
} |
| 107 |
|
| 108 |
chatter_printf(conn->chatter, conn, NULL, |
| 109 |
"$B***$0 Connecting to $B%s$0 port $B%d$0...", conn->hostname, |
| 110 |
conn->port); |
| 111 |
|
| 112 |
if ((err = _TCPCreate(&conn->send_pb, &conn->stream, (Ptr)conn->tcp_buf, |
| 113 |
sizeof(conn->tcp_buf), NULL, NULL, NULL, false)) != noErr) { |
| 114 |
chatter_printf(conn->chatter, conn, NULL, |
| 115 |
"$B*!* TCPCreate failed: %d$0", err); |
| 116 |
return conn; |
| 117 |
} |
| 118 |
|
| 119 |
if ((err = DNSResolveName(conn->hostname, &ip, NULL)) != 0) { |
| 120 |
chatter_printf(conn->chatter, conn, NULL, |
| 121 |
"$B*!* Couldn't resolve host %s (%d)$0", conn->hostname, err); |
| 122 |
conn->state = IRC_STATE_DEAD; |
| 123 |
return conn; |
| 124 |
} |
| 125 |
|
| 126 |
long2ip(ip, ip_str); |
| 127 |
|
| 128 |
if ((err = _TCPActiveOpen(&conn->send_pb, conn->stream, ip, |
| 129 |
conn->port, &local_ip, &local_port, NULL, NULL, false)) != noErr) { |
| 130 |
chatter_printf(conn->chatter, conn, NULL, |
| 131 |
"$B*!* Failed connecting to %s (%s) port %d: %d$0", |
| 132 |
conn->hostname, ip_str, conn->port, err); |
| 133 |
conn->state = IRC_STATE_DEAD; |
| 134 |
return conn; |
| 135 |
} |
| 136 |
|
| 137 |
chatter_printf(conn->chatter, conn, NULL, |
| 138 |
"$B***$0 Connected to $B%s$0 (%s) port $B%d$0", conn->hostname, |
| 139 |
ip_str, conn->port); |
| 140 |
|
| 141 |
conn->state = IRC_STATE_UNREGISTERED; |
| 142 |
|
| 143 |
return conn; |
| 144 |
|
| 145 |
conn_fail: |
| 146 |
warn("Out of memory for new connection"); |
| 147 |
if (conn != NULL) |
| 148 |
irc_dealloc_connection(conn); |
| 149 |
return NULL; |
| 150 |
} |
| 151 |
|
| 152 |
void |
| 153 |
irc_close_connection(struct irc_connection *conn) |
| 154 |
{ |
| 155 |
if (conn->state == IRC_STATE_CONNECTED) |
| 156 |
irc_quit_with_message(conn, NULL); |
| 157 |
|
| 158 |
if (conn->stream) { |
| 159 |
_TCPAbort(&conn->close_pb, conn->stream, NULL, NULL, false); |
| 160 |
_TCPRelease(&conn->close_pb, conn->stream, NULL, NULL, false); |
| 161 |
conn->stream = 0; |
| 162 |
} |
| 163 |
|
| 164 |
conn->state = IRC_STATE_DISCONNECTED; |
| 165 |
} |
| 166 |
|
| 167 |
void |
| 168 |
irc_dealloc_connection(struct irc_connection *conn) |
| 169 |
{ |
| 170 |
struct irc_connection *tconn; |
| 171 |
short n; |
| 172 |
|
| 173 |
irc_close_connection(conn); |
| 174 |
|
| 175 |
while (!SLIST_EMPTY(&conn->channels_list)) |
| 176 |
irc_dealloc_channel(SLIST_FIRST(&conn->channels_list)); |
| 177 |
|
| 178 |
if (conn->hostname != NULL) |
| 179 |
xfree(&conn->hostname); |
| 180 |
if (conn->password != NULL) |
| 181 |
xfree(&conn->password); |
| 182 |
if (conn->nick != NULL) |
| 183 |
xfree(&conn->nick); |
| 184 |
if (conn->ident != NULL) |
| 185 |
xfree(&conn->ident); |
| 186 |
if (conn->realname != NULL) |
| 187 |
xfree(&conn->realname); |
| 188 |
if (conn->channel_autojoin != NULL) |
| 189 |
xfree(&conn->channel_autojoin); |
| 190 |
|
| 191 |
SLIST_REMOVE(&irc_connections_list, conn, irc_connection, list); |
| 192 |
|
| 193 |
xfree(&conn); |
| 194 |
} |
| 195 |
|
| 196 |
void |
| 197 |
irc_process(struct irc_connection *conn) |
| 198 |
{ |
| 199 |
if (conn->state >= IRC_STATE_UNREGISTERED) |
| 200 |
irc_recv(conn); |
| 201 |
|
| 202 |
switch (conn->state) { |
| 203 |
case IRC_STATE_DISCONNECTED: |
| 204 |
break; |
| 205 |
case IRC_STATE_DEAD: |
| 206 |
irc_close_connection(conn); |
| 207 |
break; |
| 208 |
case IRC_STATE_UNREGISTERED: |
| 209 |
irc_register(conn); |
| 210 |
break; |
| 211 |
case IRC_STATE_CONNECTED: |
| 212 |
irc_process_server(conn); |
| 213 |
break; |
| 214 |
} |
| 215 |
} |
| 216 |
|
| 217 |
short |
| 218 |
irc_recv(struct irc_connection *conn) |
| 219 |
{ |
| 220 |
unsigned short rlen; |
| 221 |
short error, rerror, n; |
| 222 |
|
| 223 |
if (conn->state < IRC_STATE_UNREGISTERED) |
| 224 |
return 0; |
| 225 |
|
| 226 |
error = _TCPStatus(&conn->rcv_pb, conn->stream, &conn->status_pb, NULL, |
| 227 |
NULL, false); |
| 228 |
|
| 229 |
if (conn->status_pb.amtUnreadData > 0 && |
| 230 |
conn->ibuflen < sizeof(conn->ibuf)) { |
| 231 |
rlen = conn->status_pb.amtUnreadData; |
| 232 |
if (conn->ibuflen + rlen > sizeof(conn->ibuf)) |
| 233 |
rlen = sizeof(conn->ibuf) - conn->ibuflen; |
| 234 |
|
| 235 |
rerror = _TCPRcv(&conn->rcv_pb, conn->stream, |
| 236 |
(Ptr)(conn->ibuf + conn->ibuflen), &rlen, NULL, NULL, false); |
| 237 |
if (rerror) { |
| 238 |
chatter_printf(conn->chatter, conn, NULL, |
| 239 |
"$B*!* TCPRecv failed (%d), disconnecting$0", error); |
| 240 |
conn->state = IRC_STATE_DEAD; |
| 241 |
return -1; |
| 242 |
} |
| 243 |
|
| 244 |
conn->ibuflen += rlen; |
| 245 |
} |
| 246 |
|
| 247 |
if (error || |
| 248 |
conn->status_pb.connectionState != ConnectionStateEstablished) { |
| 249 |
/* let already-consumed buffer finish processing */ |
| 250 |
while (irc_process_server(conn)) |
| 251 |
SystemTask(); |
| 252 |
if (error) |
| 253 |
chatter_printf(conn->chatter, conn, NULL, |
| 254 |
"$B*!* TCPStatus failed: %d$0", |
| 255 |
error); |
| 256 |
else |
| 257 |
chatter_printf(conn->chatter, conn, NULL, |
| 258 |
"$B*!* Connection closed$0"); |
| 259 |
conn->state = IRC_STATE_DEAD; |
| 260 |
return -1; |
| 261 |
} |
| 262 |
|
| 263 |
return rlen; |
| 264 |
} |
| 265 |
|
| 266 |
size_t |
| 267 |
irc_send(struct irc_connection *conn, char *line, size_t size) |
| 268 |
{ |
| 269 |
short error; |
| 270 |
|
| 271 |
if (size > sizeof(conn->obuf)) |
| 272 |
panic("irc_send: too much data (%lu)", size); |
| 273 |
|
| 274 |
if (conn->state < IRC_STATE_UNREGISTERED) |
| 275 |
return 0; |
| 276 |
|
| 277 |
while (!IRC_CAN_SEND(conn)) |
| 278 |
SystemTask(); |
| 279 |
|
| 280 |
if (conn->send_pb.ioResult < 0) { |
| 281 |
chatter_printf(conn->chatter, conn, NULL, |
| 282 |
"$B*!* TCPSend failed (%d), disconnecting$0", |
| 283 |
conn->send_pb.ioResult); |
| 284 |
conn->state = IRC_STATE_DEAD; |
| 285 |
return 0; |
| 286 |
} |
| 287 |
|
| 288 |
memcpy(&conn->obuf, line, size); |
| 289 |
|
| 290 |
/* |
| 291 |
* _TCPSend only knows how many wds pointers were passed in when it |
| 292 |
* reads the next one and its pointer is zero (or size is zero?), so |
| 293 |
* even though we're only sending one wds, memory after wds[0] |
| 294 |
* has to be zeroed out. |
| 295 |
*/ |
| 296 |
memset(&conn->wds, 0, sizeof(conn->wds)); |
| 297 |
conn->wds[0].ptr = (Ptr)&conn->obuf; |
| 298 |
conn->wds[0].length = size; |
| 299 |
|
| 300 |
error = _TCPSend(&conn->send_pb, conn->stream, conn->wds, NULL, NULL, |
| 301 |
true); |
| 302 |
if (error) { |
| 303 |
chatter_printf(conn->chatter, conn, NULL, |
| 304 |
"$B*!* TCPSend failed (%d), disconnecting$0", error); |
| 305 |
conn->state = IRC_STATE_DEAD; |
| 306 |
return 0; |
| 307 |
} |
| 308 |
|
| 309 |
return size; |
| 310 |
} |
| 311 |
|
| 312 |
size_t |
| 313 |
irc_printf(struct irc_connection *conn, const char *format, ...) |
| 314 |
{ |
| 315 |
static char buf[512]; |
| 316 |
va_list argptr; |
| 317 |
size_t len = 0; |
| 318 |
|
| 319 |
va_start(argptr, format); |
| 320 |
len = vsnprintf(buf, sizeof(buf), format, argptr); |
| 321 |
va_end(argptr); |
| 322 |
|
| 323 |
if (len > sizeof(buf)) { |
| 324 |
warn("irc_printf overflow!"); |
| 325 |
len = sizeof(buf); |
| 326 |
buf[len - 1] = '\0'; |
| 327 |
} |
| 328 |
|
| 329 |
irc_send(conn, buf, len); |
| 330 |
|
| 331 |
return len; |
| 332 |
} |
| 333 |
|
| 334 |
struct irc_user * |
| 335 |
irc_parse_user(char *str) |
| 336 |
{ |
| 337 |
static struct irc_user parsed_user; |
| 338 |
short ret; |
| 339 |
|
| 340 |
memset(&parsed_user, 0, sizeof(parsed_user)); |
| 341 |
ret = sscanf(str, "%[^!]!%[^@]@%s", &parsed_user.nick, |
| 342 |
&parsed_user.username, &parsed_user.hostname); |
| 343 |
if (ret != 3) { |
| 344 |
/* probably just a hostname */ |
| 345 |
strlcpy(parsed_user.nick, str, sizeof(parsed_user.nick)); |
| 346 |
strlcpy(parsed_user.username, str, sizeof(parsed_user.username)); |
| 347 |
strlcpy(parsed_user.hostname, str, sizeof(parsed_user.hostname)); |
| 348 |
} |
| 349 |
return &parsed_user; |
| 350 |
} |
| 351 |
|
| 352 |
char * |
| 353 |
irc_get_line(struct irc_connection *conn, size_t *retsize) |
| 354 |
{ |
| 355 |
size_t n; |
| 356 |
|
| 357 |
if (conn->ibuflen == 0) { |
| 358 |
if (retsize != NULL) |
| 359 |
*retsize = 0; |
| 360 |
return NULL; |
| 361 |
} |
| 362 |
|
| 363 |
for (n = 0; n < conn->ibuflen - 1; n++) { |
| 364 |
if (conn->ibuf[n] != '\r') |
| 365 |
continue; |
| 366 |
if (conn->ibuf[n + 1] != '\n') |
| 367 |
continue; |
| 368 |
|
| 369 |
if (conn->flushing_ibuf) { |
| 370 |
conn->flushing_ibuf = false; |
| 371 |
conn->line[0] = '\0'; |
| 372 |
} else if (n + 1 > sizeof(conn->line) - 1) { |
| 373 |
/* |
| 374 |
* Line is too long to process but we can't take part of it, |
| 375 |
* so bail on it and hope it wasn't something important :( |
| 376 |
*/ |
| 377 |
chatter_printf(conn->chatter, NULL, NULL, |
| 378 |
"*!* Line too long to process"); |
| 379 |
conn->line[0] = '\0'; |
| 380 |
} else { |
| 381 |
memcpy(conn->line, conn->ibuf, n + 1); |
| 382 |
conn->line[n] = '\0'; |
| 383 |
if (retsize != NULL) |
| 384 |
*retsize = n + 1; |
| 385 |
} |
| 386 |
|
| 387 |
if (n == conn->ibuflen - 2) { |
| 388 |
conn->ibuflen = 0; |
| 389 |
} else { |
| 390 |
conn->ibuflen -= n + 2; |
| 391 |
if (conn->ibuflen < 0) |
| 392 |
panic("irc_get_line: bogus ibuflen %d", conn->ibuflen); |
| 393 |
memmove(conn->ibuf, conn->ibuf + n + 2, conn->ibuflen); |
| 394 |
} |
| 395 |
return conn->line; |
| 396 |
} |
| 397 |
|
| 398 |
if (n >= sizeof(conn->ibuf) - 1) { |
| 399 |
/* |
| 400 |
* ibuf is full with no newline but we can't empty the buffer and |
| 401 |
* start the next iteration in the middle of this line, so |
| 402 |
* consider ibuf bogus until we see a newline. |
| 403 |
*/ |
| 404 |
conn->flushing_ibuf = true; |
| 405 |
conn->ibuflen = 0; |
| 406 |
chatter_printf(conn->chatter, NULL, NULL, |
| 407 |
"*!* ibuf with no newline, flushing"); |
| 408 |
} |
| 409 |
|
| 410 |
return NULL; |
| 411 |
} |
| 412 |
|
| 413 |
struct irc_channel * |
| 414 |
irc_find_channel(struct irc_connection *conn, char *channame) |
| 415 |
{ |
| 416 |
struct irc_channel *channel; |
| 417 |
|
| 418 |
if (channame == NULL || channame[0] == '\0') |
| 419 |
return NULL; |
| 420 |
|
| 421 |
SLIST_FOREACH(channel, &conn->channels_list, list) { |
| 422 |
if (strcasecmp(channel->name, channame) == 0) |
| 423 |
return channel; |
| 424 |
} |
| 425 |
|
| 426 |
return NULL; |
| 427 |
} |
| 428 |
|
| 429 |
void |
| 430 |
irc_register(struct irc_connection *conn) |
| 431 |
{ |
| 432 |
size_t len; |
| 433 |
|
| 434 |
if (conn->state == IRC_STATE_CONNECTED) |
| 435 |
return; |
| 436 |
|
| 437 |
if (conn->password && conn->password[0]) { |
| 438 |
len = snprintf(conn->line, sizeof(conn->line), |
| 439 |
"PASS %s\r\n", conn->password); |
| 440 |
irc_send(conn, conn->line, len); |
| 441 |
} |
| 442 |
|
| 443 |
len = snprintf(conn->line, sizeof(conn->line), |
| 444 |
"NICK %s\r\n", conn->nick); |
| 445 |
irc_send(conn, conn->line, len); |
| 446 |
|
| 447 |
len = snprintf(conn->line, sizeof(conn->line), |
| 448 |
"USER %s 0 * :%s\r\n", conn->ident, conn->realname); |
| 449 |
irc_send(conn, conn->line, len); |
| 450 |
|
| 451 |
if (conn->state == IRC_STATE_UNREGISTERED) |
| 452 |
conn->state = IRC_STATE_CONNECTED; |
| 453 |
} |
| 454 |
|
| 455 |
bool |
| 456 |
irc_process_server(struct irc_connection *conn) |
| 457 |
{ |
| 458 |
struct irc_msg msg; |
| 459 |
struct irc_user *user; |
| 460 |
struct irc_channel *channel; |
| 461 |
struct chatter_tab *tab; |
| 462 |
char *line, *word; |
| 463 |
size_t size, n, lastbreak; |
| 464 |
short curarg; |
| 465 |
|
| 466 |
line = irc_get_line(conn, &size); |
| 467 |
if (size == 0 || line == NULL) |
| 468 |
return false; |
| 469 |
|
| 470 |
memset(&msg, 0, sizeof(msg)); |
| 471 |
|
| 472 |
word = strsep(&line, " "); |
| 473 |
if (word == NULL) |
| 474 |
/* server sent us a blank line? */ |
| 475 |
return false; |
| 476 |
|
| 477 |
/* extract source before command */ |
| 478 |
if (word[0] == ':') { |
| 479 |
/* ":server.name 001 jcs :Hi" -> msg.source=server.name */ |
| 480 |
strlcpy(msg.source, word + 1, sizeof(msg.source)); |
| 481 |
word = strsep(&line, " "); |
| 482 |
} |
| 483 |
|
| 484 |
/* code or a command name */ |
| 485 |
if (isdigit(word[0]) && isdigit(word[1]) && isdigit(word[2])) |
| 486 |
/* ":server.name 001 jcs :Hi" -> msg.code=1 */ |
| 487 |
msg.code = atoi(word); |
| 488 |
else |
| 489 |
/* "PING :server.name" -> msg.cmd=PING */ |
| 490 |
/* ":jcs!~jcs@jcs JOIN #wallops" -> msg.cmd=JOIN */ |
| 491 |
strlcpy(msg.cmd, word, sizeof(msg.cmd)); |
| 492 |
|
| 493 |
/* parameters, put into args until we see one starting with : */ |
| 494 |
curarg = 0; |
| 495 |
while (line != NULL && line[0] != '\0') { |
| 496 |
if (line[0] == ':') { |
| 497 |
strlcpy(msg.msg, line + 1, sizeof(msg.msg)); |
| 498 |
|
| 499 |
/* some irc servers put the first arg as the message */ |
| 500 |
if (curarg == 0) |
| 501 |
strlcpy(msg.arg[0], line + 1, sizeof(msg.arg[0])); |
| 502 |
break; |
| 503 |
} |
| 504 |
|
| 505 |
word = strsep(&line, " "); |
| 506 |
if (word == NULL) { |
| 507 |
strlcpy(msg.msg, line, sizeof(msg.msg)); |
| 508 |
break; |
| 509 |
} |
| 510 |
|
| 511 |
strlcpy(msg.arg[curarg], word, sizeof(msg.arg[curarg])); |
| 512 |
curarg++; |
| 513 |
|
| 514 |
if (curarg >= IRC_MSG_MAX_ARGS) { |
| 515 |
/* just stick the rest in msg */ |
| 516 |
strlcpy(msg.msg, line, sizeof(msg.msg)); |
| 517 |
break; |
| 518 |
} |
| 519 |
} |
| 520 |
|
| 521 |
if (msg.cmd[0]) { |
| 522 |
/* this one will fire most often, keep at the top */ |
| 523 |
if (strcmp(msg.cmd, "PRIVMSG") == 0) { |
| 524 |
user = irc_parse_user(msg.source); |
| 525 |
size = strlen(msg.msg); |
| 526 |
|
| 527 |
if (msg.msg[0] == '\1' && msg.msg[size - 1] == '\1') { |
| 528 |
/* CTCP or a /me action */ |
| 529 |
msg.msg[size - 1] = '\0'; |
| 530 |
if (strncmp(msg.msg + 1, "ACTION", 6) == 0) { |
| 531 |
chatter_printf(conn->chatter, conn, msg.arg[0], |
| 532 |
"* %s$/ %s", |
| 533 |
user->nick, msg.msg + 8); |
| 534 |
} else if (strncmp(msg.msg + 1, "VERSION", 7) == 0) { |
| 535 |
chatter_printf(conn->chatter, conn, msg.arg[0], |
| 536 |
"$B*** %s ($0%s@%s$B)$0 requested CTCP $BVERSION$0 " |
| 537 |
"from $B%s$0", |
| 538 |
user->nick, user->username, user->hostname, |
| 539 |
msg.arg[0]); |
| 540 |
|
| 541 |
/* only respond if it was sent directly to us */ |
| 542 |
if (strcmp(msg.arg[0], conn->nick) == 0) { |
| 543 |
irc_printf(conn, |
| 544 |
"NOTICE %s :\1VERSION %s %s on a %s\1\r\n", |
| 545 |
user->nick, PROGRAM_NAME, get_version(false), |
| 546 |
gestalt_machine_type()); |
| 547 |
} |
| 548 |
} else { |
| 549 |
chatter_printf(conn->chatter, conn, msg.arg[0], |
| 550 |
"$B*** %s ($0%s@%s$B)$0 requested unknown CTCP " |
| 551 |
"$B%s$0 from $B%s$0", |
| 552 |
user->nick, user->username, user->hostname, |
| 553 |
msg.msg + 1, msg.arg[0]); |
| 554 |
} |
| 555 |
} else if (strcmp(msg.arg[0], conn->nick) == 0) { |
| 556 |
/* message to us */ |
| 557 |
if (chatter_find_tab(conn->chatter, conn, user->nick)) |
| 558 |
/* query with this user open */ |
| 559 |
chatter_printf(conn->chatter, conn, user->nick, |
| 560 |
"$/<%s> %s", |
| 561 |
user->nick, msg.msg); |
| 562 |
else |
| 563 |
chatter_printf(conn->chatter, conn, user->nick, |
| 564 |
"$B[%s($0%s@%s$B)]$0$/ %s", |
| 565 |
user->nick, user->username, user->hostname, msg.msg); |
| 566 |
notify(conn->chatter->focusable, msg.msg, |
| 567 |
"Private message from %s", user->nick); |
| 568 |
} else { |
| 569 |
/* message to channel we're in */ |
| 570 |
char *us; |
| 571 |
|
| 572 |
us = strcasestr(msg.msg, conn->nick); |
| 573 |
if (us != NULL && (us == msg.msg || us[-1] == ' ')) { |
| 574 |
if (us[conn->nick_len] == ' ' || |
| 575 |
us[conn->nick_len] == ':' || |
| 576 |
us[conn->nick_len] == ',' || |
| 577 |
us[conn->nick_len] == '!' || |
| 578 |
us[conn->nick_len] == '?' || |
| 579 |
us[conn->nick_len] == '\0') { |
| 580 |
/* /^nick[ :,?!$]/ or / nick[ :,?!$]/ */ |
| 581 |
} else |
| 582 |
us = NULL; |
| 583 |
} else |
| 584 |
us = NULL; |
| 585 |
|
| 586 |
if (us) { |
| 587 |
/* mention to us, highlight */ |
| 588 |
chatter_printf(conn->chatter, conn, msg.arg[0], |
| 589 |
"<$U%s$0>$/ %s", |
| 590 |
user->nick, msg.msg); |
| 591 |
notify(conn->chatter->focusable, msg.msg, |
| 592 |
"Mention in %s by %s", msg.arg[0], user->nick); |
| 593 |
} else |
| 594 |
chatter_printf(conn->chatter, conn, msg.arg[0], |
| 595 |
"$/<%s> %s", |
| 596 |
user->nick, msg.msg); |
| 597 |
} |
| 598 |
return true; |
| 599 |
} |
| 600 |
if (strcmp(msg.cmd, "PING") == 0) { |
| 601 |
irc_printf(conn, "PONG :%s\r\n", msg.msg); |
| 602 |
return true; |
| 603 |
} |
| 604 |
|
| 605 |
if (strcmp(msg.cmd, "ERROR") == 0) { |
| 606 |
chatter_printf(conn->chatter, conn, NULL, |
| 607 |
"$B*!* Disconnected$0 from $B%s$0:$/ %s", |
| 608 |
conn->hostname, msg.msg); |
| 609 |
conn->state = IRC_STATE_DEAD; |
| 610 |
return true; |
| 611 |
} |
| 612 |
if (strcmp(msg.cmd, "JOIN") == 0) { |
| 613 |
user = irc_parse_user(msg.source); |
| 614 |
if (strcmp(user->nick, conn->nick) == 0) |
| 615 |
channel = irc_create_channel(conn, msg.arg[0]); |
| 616 |
else { |
| 617 |
channel = irc_find_channel(conn, msg.arg[0]); |
| 618 |
if (channel) |
| 619 |
irc_add_nick_to_channel(channel, user->nick, 0, 0); |
| 620 |
} |
| 621 |
if (!(settings.ignores & IGNORE_JOINS)) |
| 622 |
chatter_printf(channel->chatter, conn, msg.arg[0], |
| 623 |
"$B*** %s ($0%s@%s$B)$0 has joined $B%s$0", |
| 624 |
user->nick, user->username, user->hostname, msg.arg[0]); |
| 625 |
return true; |
| 626 |
} |
| 627 |
if (strcmp(msg.cmd, "KICK") == 0) { |
| 628 |
user = irc_parse_user(msg.source); |
| 629 |
if ((channel = irc_find_channel(conn, msg.arg[0]))) { |
| 630 |
if (strcmp(msg.arg[1], conn->nick) == 0) { |
| 631 |
irc_dealloc_channel(channel); |
| 632 |
channel = NULL; |
| 633 |
} else |
| 634 |
irc_remove_nick_from_channel(channel, msg.arg[1]); |
| 635 |
} |
| 636 |
if (!(settings.ignores & IGNORE_QUITS)) |
| 637 |
chatter_printf(conn->chatter, conn, msg.arg[0], |
| 638 |
"$B*** %s$0 was kicked from $B%s$0 by $B%s$0:$/ %s", |
| 639 |
msg.arg[0], msg.arg[1], user->nick, msg.msg); |
| 640 |
return true; |
| 641 |
} |
| 642 |
if (strcmp(msg.cmd, "KILL") == 0) { |
| 643 |
user = irc_parse_user(msg.source); |
| 644 |
if (strcmp(user->nick, conn->nick) == 0) { |
| 645 |
/* we died :( */ |
| 646 |
warn("%s (%s@%s) has been killed: %s", |
| 647 |
user->nick, user->username, user->hostname, msg.msg); |
| 648 |
conn->state = IRC_STATE_DEAD; |
| 649 |
return false; |
| 650 |
} |
| 651 |
SLIST_FOREACH(channel, &conn->channels_list, list) { |
| 652 |
if (!irc_nick_is_in_channel(channel, user->nick)) |
| 653 |
continue; |
| 654 |
|
| 655 |
chatter_printf(conn->chatter, conn, channel->name, |
| 656 |
"$B*** %s ($0%s@%s$B)$0 has been killed:$/ %s", |
| 657 |
user->nick, user->username, user->hostname, msg.msg); |
| 658 |
irc_remove_nick_from_channel(channel, user->nick); |
| 659 |
} |
| 660 |
return true; |
| 661 |
} |
| 662 |
if (strcmp(msg.cmd, "MODE") == 0) { |
| 663 |
if (strcmp(msg.arg[0], conn->nick) == 0) |
| 664 |
chatter_printf(conn->chatter, conn, NULL, |
| 665 |
"$B***$0 Mode change ($B%s$0) for user $B%s$0", |
| 666 |
msg.msg, msg.arg[0]); |
| 667 |
else { |
| 668 |
user = irc_parse_user(msg.source); |
| 669 |
channel = irc_find_channel(conn, msg.arg[0]); |
| 670 |
/* concatenate nicks */ |
| 671 |
msg.msg[0] = '\0'; |
| 672 |
if (msg.arg[2][0] != '\0') |
| 673 |
strlcat(msg.msg, msg.arg[2], sizeof(msg.msg)); |
| 674 |
if (msg.arg[3][0] != '\0') { |
| 675 |
strlcat(msg.msg, " ", sizeof(msg.msg)); |
| 676 |
strlcat(msg.msg, msg.arg[3], sizeof(msg.msg)); |
| 677 |
} |
| 678 |
if (msg.arg[4][0] != '\0') { |
| 679 |
strlcat(msg.msg, " ", sizeof(msg.msg)); |
| 680 |
strlcat(msg.msg, msg.arg[4], sizeof(msg.msg)); |
| 681 |
} |
| 682 |
if (msg.arg[5][0] != '\0') { |
| 683 |
strlcat(msg.msg, " ", sizeof(msg.msg)); |
| 684 |
strlcat(msg.msg, msg.arg[5], sizeof(msg.msg)); |
| 685 |
} |
| 686 |
|
| 687 |
if (channel && channel->mode[0] == '\0') |
| 688 |
/* probably initial mode on join, wait for 324 */ |
| 689 |
return true; |
| 690 |
|
| 691 |
chatter_printf(conn->chatter, conn, |
| 692 |
channel ? channel->name : NULL, |
| 693 |
"$B***$0 Mode change ($B%s %s$0) on $B%s$0 by $B%s$0", |
| 694 |
msg.arg[1], msg.msg, msg.arg[0], user->nick); |
| 695 |
if (channel) { |
| 696 |
bool others = irc_parse_channel_mode_change(channel, |
| 697 |
msg.arg[1], msg.msg); |
| 698 |
if (others) |
| 699 |
/* |
| 700 |
* To simplify parsing mode changes like "+ik blah", |
| 701 |
* just ask for the full mode now to get a 324 |
| 702 |
*/ |
| 703 |
irc_printf(conn, "MODE %s\r\n", channel->name); |
| 704 |
} |
| 705 |
} |
| 706 |
return true; |
| 707 |
} |
| 708 |
if (strcmp(msg.cmd, "NICK") == 0) { |
| 709 |
struct chatter_tab *tab; |
| 710 |
|
| 711 |
user = irc_parse_user(msg.source); |
| 712 |
if (strcasecmp(user->nick, conn->nick) == 0) { |
| 713 |
chatter_printf(conn->chatter, conn, NULL, |
| 714 |
"$B*** %s$0 is now known as $B%s$0", |
| 715 |
user->nick, msg.msg); |
| 716 |
irc_change_user_nick(conn, NULL, user, msg.msg); |
| 717 |
} |
| 718 |
SLIST_FOREACH(channel, &conn->channels_list, list) { |
| 719 |
if (!irc_nick_is_in_channel(channel, user->nick)) |
| 720 |
continue; |
| 721 |
|
| 722 |
if (!(settings.ignores & IGNORE_NICKS)) |
| 723 |
chatter_printf(conn->chatter, conn, channel->name, |
| 724 |
"$B*** %s$0 is now known as $B%s$0", |
| 725 |
user->nick, msg.msg); |
| 726 |
irc_change_user_nick(conn, channel, user, msg.msg); |
| 727 |
} |
| 728 |
SLIST_FOREACH(tab, &conn->chatter->tabs_list, list) { |
| 729 |
if (tab->query_nick[0] && |
| 730 |
strcasecmp(tab->query_nick, user->nick) == 0) { |
| 731 |
strlcpy(tab->query_nick, user->nick, |
| 732 |
sizeof(user->nick)); |
| 733 |
conn->chatter->need_tab_bar_redraw = true; |
| 734 |
} |
| 735 |
} |
| 736 |
return true; |
| 737 |
} |
| 738 |
if (strcmp(msg.cmd, "NOTICE") == 0) { |
| 739 |
if (strchr(msg.source, '@') == NULL) { |
| 740 |
/* server notice */ |
| 741 |
if (strncmp(msg.msg, "*** ", 4) == 0) |
| 742 |
chatter_printf(conn->chatter, conn, NULL, |
| 743 |
"$B***$0 $/%s", |
| 744 |
msg.msg + 4); |
| 745 |
else |
| 746 |
chatter_printf(conn->chatter, conn, NULL, |
| 747 |
"$/%s", |
| 748 |
msg.msg); |
| 749 |
} else { |
| 750 |
/* user notice */ |
| 751 |
user = irc_parse_user(msg.source); |
| 752 |
chatter_printf(conn->chatter, conn, user->nick, |
| 753 |
"$Bnotice:[%s($0%s@%s$B)]$0$/ %s", |
| 754 |
user->nick, user->username, user->hostname, msg.msg); |
| 755 |
} |
| 756 |
return true; |
| 757 |
} |
| 758 |
if (strcmp(msg.cmd, "PART") == 0) { |
| 759 |
user = irc_parse_user(msg.source); |
| 760 |
if ((channel = irc_find_channel(conn, msg.arg[0]))) { |
| 761 |
if (strcmp(user->nick, conn->nick) == 0) { |
| 762 |
irc_dealloc_channel(channel); |
| 763 |
channel = NULL; |
| 764 |
/* we don't need to print anything */ |
| 765 |
} else { |
| 766 |
irc_remove_nick_from_channel(channel, user->nick); |
| 767 |
if (!(settings.ignores & IGNORE_QUITS)) |
| 768 |
chatter_printf(conn->chatter, conn, channel->name, |
| 769 |
"$B*** %s ($0%s@%s$B)$0 has left $B%s$0", |
| 770 |
user->nick, user->username, user->hostname, |
| 771 |
msg.arg[0]); |
| 772 |
} |
| 773 |
} |
| 774 |
return true; |
| 775 |
} |
| 776 |
if (strcmp(msg.cmd, "QUIT") == 0) { |
| 777 |
user = irc_parse_user(msg.source); |
| 778 |
|
| 779 |
SLIST_FOREACH(channel, &conn->channels_list, list) { |
| 780 |
if (!irc_nick_is_in_channel(channel, user->nick)) |
| 781 |
continue; |
| 782 |
|
| 783 |
irc_remove_nick_from_channel(channel, user->nick); |
| 784 |
if (!(settings.ignores & IGNORE_QUITS)) |
| 785 |
chatter_printf(conn->chatter, conn, channel->name, |
| 786 |
"$B*** %s ($0%s@%s$B)$0 has quit:$/ %s", |
| 787 |
user->nick, user->username, user->hostname, msg.msg); |
| 788 |
} |
| 789 |
|
| 790 |
if (strcmp(user->nick, conn->nick) == 0) { |
| 791 |
chatter_printf(conn->chatter, conn, NULL, |
| 792 |
"$B*** %s ($0%s@%s$B)$0 has quit:$/ %s", |
| 793 |
user->nick, user->username, user->hostname, msg.msg); |
| 794 |
conn->state = IRC_STATE_DEAD; |
| 795 |
return false; |
| 796 |
} |
| 797 |
return true; |
| 798 |
} |
| 799 |
if (strcmp(msg.cmd, "TOPIC") == 0) { |
| 800 |
user = irc_parse_user(msg.source); |
| 801 |
chatter_printf(conn->chatter, conn, msg.arg[0], |
| 802 |
"$B***$0 Topic for $B%s$0 changed by $B%s$0:$/ %s", |
| 803 |
msg.arg[0], user->nick, msg.msg); |
| 804 |
if ((channel = irc_find_channel(conn, msg.arg[0]))) |
| 805 |
strlcpy(channel->topic, msg.msg, sizeof(channel->topic)); |
| 806 |
return true; |
| 807 |
} |
| 808 |
if (strcmp(msg.cmd, "WALLOPS") == 0) { |
| 809 |
chatter_printf(conn->chatter, conn, NULL, |
| 810 |
"$B***$0 Wallops from $B%s$0:$/ %s", |
| 811 |
msg.source, msg.msg); |
| 812 |
return true; |
| 813 |
} |
| 814 |
|
| 815 |
goto unknown; |
| 816 |
} |
| 817 |
|
| 818 |
switch (msg.code) { |
| 819 |
case 0: |
| 820 |
goto unknown; |
| 821 |
case 1: |
| 822 |
case 2: |
| 823 |
/* welcome banners */ |
| 824 |
goto print_msg; |
| 825 |
case 3: |
| 826 |
case 4: |
| 827 |
case 5: |
| 828 |
case 250: |
| 829 |
case 251: |
| 830 |
case 252: |
| 831 |
case 253: |
| 832 |
case 254: |
| 833 |
case 255: |
| 834 |
case 265: |
| 835 |
case 266: |
| 836 |
/* server stats, unhelpful */ |
| 837 |
return true; |
| 838 |
case 221: |
| 839 |
/* user mode */ |
| 840 |
chatter_printf(conn->chatter, conn, NULL, |
| 841 |
"$B***$0 Mode for $B%s$0:$/ %s", |
| 842 |
msg.arg[0], msg.arg[1]); |
| 843 |
return true; |
| 844 |
case 307: |
| 845 |
/* WHOIS regnick */ |
| 846 |
chatter_printf(conn->chatter, conn, conn->current_whois, |
| 847 |
"$B*** |$0 Authenticated:$/ %s", |
| 848 |
msg.msg); |
| 849 |
return true; |
| 850 |
case 311: |
| 851 |
/* WHOIS nick: "nick :ident hostname * :name" */ |
| 852 |
strlcpy(conn->current_whois, msg.arg[1], sizeof(conn->current_whois)); |
| 853 |
chatter_printf(conn->chatter, conn, conn->current_whois, |
| 854 |
"$B*** %s ($0%s@%s$B)$0", |
| 855 |
msg.arg[1], msg.arg[2], msg.arg[3]); |
| 856 |
chatter_printf(conn->chatter, conn, conn->current_whois, |
| 857 |
"$B*** |$0 Name:$/ %s", |
| 858 |
msg.msg); |
| 859 |
return true; |
| 860 |
case 312: |
| 861 |
/* WHOIS server */ |
| 862 |
chatter_printf(conn->chatter, conn, conn->current_whois, |
| 863 |
"$B*** |$0 Server:$/ %s (%s)", |
| 864 |
msg.arg[2], msg.msg); |
| 865 |
return true; |
| 866 |
case 315: |
| 867 |
/* end of WHO */ |
| 868 |
chatter_printf(conn->chatter, conn, NULL, |
| 869 |
"$B***$0$/ %s", |
| 870 |
msg.msg); |
| 871 |
return true; |
| 872 |
case 317: |
| 873 |
/* WHOIS idle */ |
| 874 |
chatter_printf(conn->chatter, conn, conn->current_whois, |
| 875 |
"$B*** |$0 Idle:$/ %s %s", |
| 876 |
msg.arg[2], msg.msg); |
| 877 |
return true; |
| 878 |
case 318: |
| 879 |
/* WHOIS end */ |
| 880 |
chatter_printf(conn->chatter, conn, conn->current_whois, |
| 881 |
"$B*** `-------$0"); |
| 882 |
memset(conn->current_whois, 0, sizeof(conn->current_whois)); |
| 883 |
return true; |
| 884 |
case 319: |
| 885 |
/* WHOIS channels */ |
| 886 |
chatter_printf(conn->chatter, conn, conn->current_whois, |
| 887 |
"$B*** |$0 Channels:$/ %s", |
| 888 |
msg.msg); |
| 889 |
return true; |
| 890 |
case 324: |
| 891 |
/* channel mode, concatenate args */ |
| 892 |
msg.msg[0] = '\0'; |
| 893 |
if (msg.arg[2][0] != '\0') |
| 894 |
strlcat(msg.msg, msg.arg[2], sizeof(msg.msg)); |
| 895 |
if (msg.arg[3][0] != '\0') { |
| 896 |
strlcat(msg.msg, " ", sizeof(msg.msg)); |
| 897 |
strlcat(msg.msg, msg.arg[3], sizeof(msg.msg)); |
| 898 |
} |
| 899 |
if (msg.arg[4][0] != '\0') { |
| 900 |
strlcat(msg.msg, " ", sizeof(msg.msg)); |
| 901 |
strlcat(msg.msg, msg.arg[4], sizeof(msg.msg)); |
| 902 |
} |
| 903 |
if (msg.arg[5][0] != '\0') { |
| 904 |
strlcat(msg.msg, " ", sizeof(msg.msg)); |
| 905 |
strlcat(msg.msg, msg.arg[5], sizeof(msg.msg)); |
| 906 |
} |
| 907 |
if ((channel = irc_find_channel(conn, msg.arg[1]))) { |
| 908 |
if (channel->chatter && channel->mode[0] == '\0') { |
| 909 |
/* initial mode set from join is unimportant */ |
| 910 |
tab = chatter_find_tab(conn->chatter, conn, msg.arg[1]); |
| 911 |
if (tab) |
| 912 |
tab->ignore_activity = true; |
| 913 |
} |
| 914 |
strlcpy(channel->mode, msg.msg, sizeof(channel->mode)); |
| 915 |
if (channel->chatter) |
| 916 |
channel->chatter->need_tab_bar_redraw = true; |
| 917 |
} |
| 918 |
chatter_printf(conn->chatter, conn, msg.arg[1], |
| 919 |
"$B***$0 Mode for $B%s$0:$/ %s", |
| 920 |
msg.arg[1], msg.msg); |
| 921 |
if (tab) |
| 922 |
tab->ignore_activity = false; |
| 923 |
return true; |
| 924 |
case 328: |
| 925 |
/* channel URL, we probably can't do anything with it anyway */ |
| 926 |
return true; |
| 927 |
case 329: |
| 928 |
/* channel creation timestamp */ |
| 929 |
return true; |
| 930 |
case 330: |
| 931 |
/* WHOIS account */ |
| 932 |
chatter_printf(conn->chatter, conn, conn->current_whois, |
| 933 |
"$B*** |$0 Account:$/ %s %s", |
| 934 |
msg.msg, msg.arg[2]); |
| 935 |
return true; |
| 936 |
case 331: |
| 937 |
/* no TOPIC */ |
| 938 |
chatter_printf(conn->chatter, conn, msg.arg[1], |
| 939 |
"$B***$0 No topic is set for $B%s$0", |
| 940 |
msg.arg[1]); |
| 941 |
if ((channel = irc_find_channel(conn, msg.arg[1]))) |
| 942 |
channel->topic[0] = '\0'; |
| 943 |
return true; |
| 944 |
case 332: |
| 945 |
/* TOPIC */ |
| 946 |
chatter_printf(conn->chatter, conn, msg.arg[1], |
| 947 |
"$B***$0 Topic for $B%s$0:$/ %s", |
| 948 |
msg.arg[1], msg.msg); |
| 949 |
if ((channel = irc_find_channel(conn, msg.arg[1]))) |
| 950 |
strlcpy(channel->topic, msg.msg, sizeof(channel->topic)); |
| 951 |
return true; |
| 952 |
case 333: { |
| 953 |
/* TOPIC creator */ |
| 954 |
unsigned long ts; |
| 955 |
|
| 956 |
user = irc_parse_user(msg.arg[2]); |
| 957 |
|
| 958 |
/* TODO: convert unix to mac time, strftime */ |
| 959 |
sscanf(msg.arg[3], "%ld", &ts); |
| 960 |
|
| 961 |
chatter_printf(conn->chatter, conn, msg.arg[1], |
| 962 |
"$B***$0 Topic set by $B%s$0", |
| 963 |
user->nick); |
| 964 |
return true; |
| 965 |
} |
| 966 |
case 338: |
| 967 |
case 378: |
| 968 |
/* WHOIS host */ |
| 969 |
chatter_printf(conn->chatter, conn, conn->current_whois, |
| 970 |
"$B*** |$0 Host:$/ %s %s", |
| 971 |
msg.msg, msg.arg[2]); |
| 972 |
return true; |
| 973 |
case 352: |
| 974 |
/* WHO output */ |
| 975 |
chatter_printf(conn->chatter, conn, NULL, |
| 976 |
"$B***$0$/ %s %s@%s (%s)", |
| 977 |
msg.arg[1], msg.arg[2], msg.arg[3], msg.msg); |
| 978 |
return true; |
| 979 |
case 353: |
| 980 |
/* NAMES output */ |
| 981 |
if ((channel = irc_find_channel(conn, msg.arg[2]))) |
| 982 |
irc_buffer_names(channel, msg.msg); |
| 983 |
return true; |
| 984 |
case 366: |
| 985 |
/* end of NAMES output */ |
| 986 |
if ((channel = irc_find_channel(conn, msg.arg[1]))) { |
| 987 |
SetCursor(*(GetCursor(watchCursor))); |
| 988 |
irc_parse_buffered_names(channel); |
| 989 |
chatter_sync_nick_list(channel->chatter, channel); |
| 990 |
SetCursor(&arrow); |
| 991 |
} |
| 992 |
return true; |
| 993 |
case 372: |
| 994 |
case 375: |
| 995 |
/* MOTD */ |
| 996 |
if (conn->hide_motd) |
| 997 |
return true; |
| 998 |
goto print_msg; |
| 999 |
case 376: |
| 1000 |
/* end of MOTD */ |
| 1001 |
if (conn->channel_autojoin && conn->channel_autojoin[0] && |
| 1002 |
!conn->did_autojoin) { |
| 1003 |
irc_printf(conn, "JOIN %s\r\n", conn->channel_autojoin); |
| 1004 |
conn->did_autojoin = true; |
| 1005 |
} |
| 1006 |
if (conn->hide_motd) |
| 1007 |
return true; |
| 1008 |
goto print_msg; |
| 1009 |
case 396: |
| 1010 |
/* Cloak */ |
| 1011 |
chatter_printf(conn->chatter, conn, NULL, |
| 1012 |
"$B***$0$/ %s %s", |
| 1013 |
msg.arg[1], msg.msg); |
| 1014 |
return true; |
| 1015 |
case 433: { |
| 1016 |
/* Nick in use, try appending a _ */ |
| 1017 |
char *new_nick = xmalloc(strlen(conn->nick) + 2); |
| 1018 |
size_t len; |
| 1019 |
|
| 1020 |
chatter_printf(conn->chatter, conn, NULL, |
| 1021 |
"$B***$0$/ %s: %s", |
| 1022 |
msg.arg[1], msg.msg); |
| 1023 |
|
| 1024 |
sprintf(new_nick, "%s_", conn->nick); |
| 1025 |
xfree(&conn->nick); |
| 1026 |
conn->nick = new_nick; |
| 1027 |
chatter_update_titlebar(conn->chatter); |
| 1028 |
|
| 1029 |
len = snprintf(conn->line, sizeof(conn->line), |
| 1030 |
"NICK %s\r\n", conn->nick); |
| 1031 |
irc_send(conn, conn->line, len); |
| 1032 |
return true; |
| 1033 |
} |
| 1034 |
case 461: |
| 1035 |
/* not enough args */ |
| 1036 |
chatter_printf(conn->chatter, conn, NULL, |
| 1037 |
"$B***$0 $B%s$0$/: %s", |
| 1038 |
msg.arg[1], msg.msg); |
| 1039 |
return true; |
| 1040 |
case 475: |
| 1041 |
/* can't join channel */ |
| 1042 |
chatter_printf(conn->chatter, conn, NULL, |
| 1043 |
"$B***$0 Can't join $B%s$0$/: %s", |
| 1044 |
msg.arg[1], msg.msg); |
| 1045 |
return true; |
| 1046 |
case 481: |
| 1047 |
/* not oper */ |
| 1048 |
chatter_printf(conn->chatter, conn, NULL, |
| 1049 |
"$B***$0 You can't do that thing if you ain't got that " |
| 1050 |
"swing:$/: %s", |
| 1051 |
msg.msg); |
| 1052 |
return true; |
| 1053 |
case 482: |
| 1054 |
/* not op */ |
| 1055 |
chatter_printf(conn->chatter, conn, NULL, |
| 1056 |
"$B***$0 Can't do that on $B%s$0$/: %s", |
| 1057 |
msg.arg[1], msg.msg); |
| 1058 |
return true; |
| 1059 |
case 502: |
| 1060 |
/* error */ |
| 1061 |
chatter_printf(conn->chatter, conn, NULL, |
| 1062 |
"$B***$0$/ %s", |
| 1063 |
msg.msg); |
| 1064 |
return true; |
| 1065 |
case 671: |
| 1066 |
/* WHOIS server */ |
| 1067 |
chatter_printf(conn->chatter, conn, conn->current_whois, |
| 1068 |
"$B*** |$0 Connection:$/ %s", |
| 1069 |
msg.msg); |
| 1070 |
return true; |
| 1071 |
case 730: |
| 1072 |
/* monitor online */ |
| 1073 |
chatter_printf(conn->chatter, conn, NULL, |
| 1074 |
"$B***$0 $B%s$0$/ %s online", |
| 1075 |
msg.msg, strstr(msg.msg, ",") ? "are" : "is"); |
| 1076 |
if (conn->chatter->focusable) |
| 1077 |
notify(conn->chatter->focusable, NULL, NULL); |
| 1078 |
return true; |
| 1079 |
case 731: |
| 1080 |
/* monitor offline */ |
| 1081 |
chatter_printf(conn->chatter, conn, NULL, |
| 1082 |
"$B***$0 $B%s$0$/ %s offline", |
| 1083 |
msg.msg, strstr(msg.msg, ",") ? "are" : "is"); |
| 1084 |
return true; |
| 1085 |
case 732: |
| 1086 |
/* monitor list */ |
| 1087 |
chatter_printf(conn->chatter, conn, NULL, |
| 1088 |
"$B***$0 Monitor list: %s", |
| 1089 |
msg.msg); |
| 1090 |
return true; |
| 1091 |
case 733: |
| 1092 |
/* end of monitor list */ |
| 1093 |
return true; |
| 1094 |
case 734: |
| 1095 |
/* monitor error */ |
| 1096 |
chatter_printf(conn->chatter, conn, NULL, |
| 1097 |
"$B***$0 Monitor error: %s", |
| 1098 |
msg.msg); |
| 1099 |
return true; |
| 1100 |
case 900: |
| 1101 |
/* nickserv login */ |
| 1102 |
chatter_printf(conn->chatter, conn, NULL, |
| 1103 |
"$B***$0$/ %s", |
| 1104 |
msg.msg); |
| 1105 |
return true; |
| 1106 |
default: |
| 1107 |
goto unknown; |
| 1108 |
} |
| 1109 |
|
| 1110 |
print_msg: |
| 1111 |
chatter_printf(conn->chatter, conn, NULL, |
| 1112 |
"$B***$0$/ %s", |
| 1113 |
msg.msg); |
| 1114 |
return true; |
| 1115 |
|
| 1116 |
unknown: |
| 1117 |
chatter_printf(conn->chatter, conn, NULL, |
| 1118 |
"$B[?]$0$/ code:%d cmd:%s source:%s arg0:%s arg1:%s arg2:%s arg3:%s " |
| 1119 |
"arg4:%s msg:%s", |
| 1120 |
msg.code, msg.cmd, msg.source, msg.arg[0], msg.arg[1], msg.arg[2], |
| 1121 |
msg.arg[3], msg.arg[4], msg.msg); |
| 1122 |
return true; |
| 1123 |
} |
| 1124 |
|
| 1125 |
void |
| 1126 |
irc_process_input(struct irc_connection *conn, struct irc_channel *channel, |
| 1127 |
char *query_nick, char *str) |
| 1128 |
{ |
| 1129 |
struct chatter_tab *tab; |
| 1130 |
char *arg0, *arg1, *channel_name; |
| 1131 |
size_t n; |
| 1132 |
bool say = false; |
| 1133 |
|
| 1134 |
/* check for commands that don't require a connection */ |
| 1135 |
if (strcasecmp(str, "/quit") == 0 || |
| 1136 |
strncasecmp(str, "/quit ", 6) == 0) |
| 1137 |
{ |
| 1138 |
str++; |
| 1139 |
arg0 = strsep(&str, " "); |
| 1140 |
|
| 1141 |
if (conn && conn->state == IRC_STATE_CONNECTED) { |
| 1142 |
irc_quit_with_message(conn, str); |
| 1143 |
conn->state = IRC_STATE_DEAD; |
| 1144 |
} |
| 1145 |
if (focusables_quit()) |
| 1146 |
ExitToShell(); |
| 1147 |
return; |
| 1148 |
} |
| 1149 |
if (strcasecmp(str, "/connect") == 0 || |
| 1150 |
strncasecmp(str, "/connect ", 9) == 0 || |
| 1151 |
strcasecmp(str, "/recon") == 0 || |
| 1152 |
strcasecmp(str, "/reconnect") == 0 || |
| 1153 |
strcasecmp(str, "/server") == 0 || |
| 1154 |
strncasecmp(str, "/server ", 8) == 0) { |
| 1155 |
struct irc_connection *new; |
| 1156 |
struct chatter_tab *tab; |
| 1157 |
char *autojoin = NULL; |
| 1158 |
size_t len; |
| 1159 |
|
| 1160 |
str++; |
| 1161 |
arg0 = strsep(&str, " "); |
| 1162 |
if (strcasecmp(arg0, "server") == 0 && str == NULL) |
| 1163 |
goto not_enough_params; |
| 1164 |
|
| 1165 |
/* build a new list of autojoin channels based on what's joined */ |
| 1166 |
len = 0; |
| 1167 |
SLIST_FOREACH(tab, &conn->chatter->tabs_list, list) { |
| 1168 |
if (tab->conn == conn && tab->channel) |
| 1169 |
len += strlen(tab->channel->name) + 1; |
| 1170 |
} |
| 1171 |
if (len) { |
| 1172 |
autojoin = xmalloc(len); |
| 1173 |
if (autojoin == NULL) { |
| 1174 |
chatter_printf(conn->chatter, conn, NULL, |
| 1175 |
"$B*!*$0 Can't allocate memory for autojoin"); |
| 1176 |
return; |
| 1177 |
} |
| 1178 |
autojoin[0] = '\0'; |
| 1179 |
SLIST_FOREACH(tab, &conn->chatter->tabs_list, list) { |
| 1180 |
if (tab->conn == conn && tab->channel) { |
| 1181 |
if (autojoin[0]) |
| 1182 |
strlcat(autojoin, ",", len); |
| 1183 |
strlcat(autojoin, tab->channel->name, len); |
| 1184 |
} |
| 1185 |
} |
| 1186 |
} |
| 1187 |
|
| 1188 |
new = irc_connect(conn->chatter, str ? str : conn->hostname, |
| 1189 |
conn->port, conn->password, conn->nick, conn->ident, |
| 1190 |
conn->realname, conn->hide_motd, autojoin); |
| 1191 |
|
| 1192 |
if (new->state == IRC_STATE_UNREGISTERED) { |
| 1193 |
/* the new connection succeeded, kill the old one */ |
| 1194 |
if (conn->state == IRC_STATE_CONNECTED) |
| 1195 |
irc_close_connection(conn); |
| 1196 |
|
| 1197 |
SLIST_FOREACH(tab, &conn->chatter->tabs_list, list) { |
| 1198 |
if (tab->conn == conn) |
| 1199 |
tab->conn = new; |
| 1200 |
} |
| 1201 |
|
| 1202 |
/* move channels to new connection */ |
| 1203 |
SLIST_FOREACH(channel, &conn->channels_list, list) |
| 1204 |
channel->connection = new; |
| 1205 |
|
| 1206 |
/* otherwise irc_dealloc_connection will take them out */ |
| 1207 |
SLIST_INIT(&conn->channels_list); |
| 1208 |
|
| 1209 |
irc_dealloc_connection(conn); |
| 1210 |
|
| 1211 |
new->chatter->need_tab_bar_redraw = true; |
| 1212 |
} else { |
| 1213 |
/* just keep the old one */ |
| 1214 |
irc_dealloc_connection(new); |
| 1215 |
} |
| 1216 |
|
| 1217 |
return; |
| 1218 |
} |
| 1219 |
|
| 1220 |
/* everything else requires an active connection */ |
| 1221 |
|
| 1222 |
if (conn == NULL || conn->state < IRC_STATE_CONNECTED) |
| 1223 |
goto not_connected; |
| 1224 |
|
| 1225 |
if (strncasecmp(str, "/say ", 5) == 0) { |
| 1226 |
say = true; |
| 1227 |
strsep(&str, " "); |
| 1228 |
} |
| 1229 |
|
| 1230 |
if (say || str[0] != '/') { |
| 1231 |
if (channel != NULL) { |
| 1232 |
irc_printf(conn, "PRIVMSG %s :%s\r\n", channel->name, str); |
| 1233 |
chatter_printf(conn->chatter, conn, channel->name, |
| 1234 |
"<$B%s$0>$/ %s", |
| 1235 |
conn->nick, str); |
| 1236 |
} else if (query_nick != NULL) { |
| 1237 |
irc_printf(conn, "PRIVMSG %s :%s\r\n", query_nick, str); |
| 1238 |
chatter_printf(conn->chatter, conn, query_nick, |
| 1239 |
"<$B%s$0>$/ %s", |
| 1240 |
conn->nick, str); |
| 1241 |
} else |
| 1242 |
goto not_in_channel; |
| 1243 |
return; |
| 1244 |
} |
| 1245 |
|
| 1246 |
/* skip / */ |
| 1247 |
str++; |
| 1248 |
|
| 1249 |
arg0 = strsep(&str, " "); |
| 1250 |
|
| 1251 |
/* special cases: send as-is */ |
| 1252 |
if (strcasecmp(arg0, "quote") == 0 || strcasecmp(arg0, "raw") == 0) { |
| 1253 |
if (str == NULL) |
| 1254 |
goto not_enough_params; |
| 1255 |
irc_printf(conn, "%s\r\n", str); |
| 1256 |
return; |
| 1257 |
} |
| 1258 |
|
| 1259 |
if (str && (str[0] == '#' || str[0] == '&')) |
| 1260 |
/* channel specified */ |
| 1261 |
channel_name = strsep(&str, " "); |
| 1262 |
else if (channel) |
| 1263 |
/* use channel of current tab */ |
| 1264 |
channel_name = channel->name; |
| 1265 |
else |
| 1266 |
channel_name = NULL; |
| 1267 |
|
| 1268 |
if (strcasecmp(arg0, "clear") == 0) { |
| 1269 |
chatter_clear_messages(conn->chatter, conn->chatter->current_tab); |
| 1270 |
return; |
| 1271 |
} |
| 1272 |
if (strcasecmp(arg0, "close") == 0) { |
| 1273 |
if (conn->chatter->current_tab->query_nick[0] || |
| 1274 |
conn->chatter->current_tab->channel) |
| 1275 |
chatter_close_tab(conn->chatter, conn->chatter->current_tab); |
| 1276 |
else |
| 1277 |
chatter_printf(conn->chatter, conn, NULL, |
| 1278 |
"cannot close server tab, use /disconnect", |
| 1279 |
arg0); |
| 1280 |
return; |
| 1281 |
} |
| 1282 |
if (strcasecmp(arg0, "deop") == 0) { |
| 1283 |
if (channel_name == NULL) |
| 1284 |
goto not_in_channel; |
| 1285 |
irc_do_mode_to_users(conn, channel_name, "-o", str); |
| 1286 |
return; |
| 1287 |
} |
| 1288 |
if (strcasecmp(arg0, "devoice") == 0) { |
| 1289 |
if (channel_name == NULL) |
| 1290 |
goto not_in_channel; |
| 1291 |
irc_do_mode_to_users(conn, channel_name, "-v", str); |
| 1292 |
return; |
| 1293 |
} |
| 1294 |
if (strcasecmp(arg0, "disco") == 0 || |
| 1295 |
strcasecmp(arg0, "discon") == 0 || |
| 1296 |
strcasecmp(arg0, "disconnect") == 0) { |
| 1297 |
irc_quit_with_message(conn, str); |
| 1298 |
return; |
| 1299 |
} |
| 1300 |
if (strcasecmp(arg0, "join") == 0) { |
| 1301 |
if (channel_name == NULL) |
| 1302 |
goto not_enough_params; |
| 1303 |
/* |
| 1304 |
* If we're already in this channel, we won't get any response |
| 1305 |
* from the server to switch channels. |
| 1306 |
*/ |
| 1307 |
if ((channel = irc_find_channel(conn, channel_name))) |
| 1308 |
/* this won't actually create, it'll just switch for us */ |
| 1309 |
irc_create_channel(conn, channel_name); |
| 1310 |
else |
| 1311 |
irc_printf(conn, "JOIN %s%s%s\r\n", channel_name, |
| 1312 |
(str ? " " : ""), (str ? str : "")); |
| 1313 |
return; |
| 1314 |
} |
| 1315 |
if (strcasecmp(arg0, "me") == 0) { |
| 1316 |
if (str == NULL) |
| 1317 |
goto not_enough_params; |
| 1318 |
if (query_nick == NULL && channel == NULL) |
| 1319 |
goto not_in_channel; |
| 1320 |
chatter_printf(conn->chatter, conn, |
| 1321 |
channel ? channel->name : query_nick, |
| 1322 |
"* %s$/ %s", |
| 1323 |
conn->nick, str); |
| 1324 |
irc_printf(conn, "PRIVMSG %s :\1ACTION %s\1\r\n", |
| 1325 |
channel ? channel->name : query_nick, str); |
| 1326 |
return; |
| 1327 |
} |
| 1328 |
if (strcasecmp(arg0, "mode") == 0) { |
| 1329 |
if (channel_name == NULL) |
| 1330 |
goto not_in_channel; |
| 1331 |
irc_printf(conn, "MODE %s%s%s\r\n", channel_name, (str ? " " : ""), |
| 1332 |
(str ? str : "")); |
| 1333 |
return; |
| 1334 |
} |
| 1335 |
if (strcasecmp(arg0, "monitor") == 0) { |
| 1336 |
if (str == NULL) |
| 1337 |
goto not_enough_params; |
| 1338 |
irc_printf(conn, "MONITOR %s\r\n", str); |
| 1339 |
return; |
| 1340 |
} |
| 1341 |
if (strcasecmp(arg0, "msg") == 0) { |
| 1342 |
arg1 = strsep(&str, " "); |
| 1343 |
if (arg1 == NULL || str == NULL) |
| 1344 |
goto not_enough_params; |
| 1345 |
if ((tab = chatter_find_tab(conn->chatter, conn, NULL))) |
| 1346 |
tab->ignore_activity = true; |
| 1347 |
chatter_printf(conn->chatter, conn, NULL, |
| 1348 |
"$B[$0msg$B($0%s$B)]$0$/ %s", |
| 1349 |
arg1, str); |
| 1350 |
if (tab) |
| 1351 |
tab->ignore_activity = false; |
| 1352 |
irc_printf(conn, "PRIVMSG %s :%s\r\n", arg1, str); |
| 1353 |
return; |
| 1354 |
} |
| 1355 |
if (strcasecmp(arg0, "nick") == 0) { |
| 1356 |
if (str == NULL) |
| 1357 |
goto not_enough_params; |
| 1358 |
irc_printf(conn, "NICK %s\r\n", str); |
| 1359 |
return; |
| 1360 |
} |
| 1361 |
if (strcasecmp(arg0, "op") == 0) { |
| 1362 |
if (channel_name == NULL) |
| 1363 |
goto not_in_channel; |
| 1364 |
irc_do_mode_to_users(conn, channel_name, "+o", str); |
| 1365 |
return; |
| 1366 |
} |
| 1367 |
if (strcasecmp(arg0, "part") == 0) { |
| 1368 |
if (channel_name == NULL) |
| 1369 |
goto not_in_channel; |
| 1370 |
irc_printf(conn, "PART %s%s%s\r\n", channel_name, |
| 1371 |
(str ? " :" : ""), (str ? str : "")); |
| 1372 |
return; |
| 1373 |
} |
| 1374 |
if (strcasecmp(arg0, "query") == 0) { |
| 1375 |
if (str == NULL) |
| 1376 |
goto not_enough_params; |
| 1377 |
chatter_add_tab(conn->chatter, NULL, conn, NULL, str); |
| 1378 |
return; |
| 1379 |
} |
| 1380 |
if (strcasecmp(arg0, "topic") == 0) { |
| 1381 |
if (channel_name == NULL) |
| 1382 |
goto not_in_channel; |
| 1383 |
if (str) |
| 1384 |
irc_printf(conn, "TOPIC %s :%s\r\n", channel_name, str); |
| 1385 |
else |
| 1386 |
irc_printf(conn, "TOPIC %s\r\n", channel_name); |
| 1387 |
return; |
| 1388 |
} |
| 1389 |
if (strcasecmp(arg0, "umode") == 0) { |
| 1390 |
irc_printf(conn, "MODE %s%s%s\r\n", conn->nick, (str ? " :" : ""), |
| 1391 |
(str ? str : "")); |
| 1392 |
return; |
| 1393 |
} |
| 1394 |
if (strcasecmp(arg0, "voice") == 0) { |
| 1395 |
if (channel_name == NULL) |
| 1396 |
goto not_in_channel; |
| 1397 |
irc_do_mode_to_users(conn, channel_name, "+v", str); |
| 1398 |
return; |
| 1399 |
} |
| 1400 |
if (strcasecmp(arg0, "who") == 0) { |
| 1401 |
if (channel_name == NULL) |
| 1402 |
goto not_in_channel; |
| 1403 |
irc_printf(conn, "WHO %s\r\n", channel_name); |
| 1404 |
return; |
| 1405 |
} |
| 1406 |
if (strcasecmp(arg0, "whois") == 0) { |
| 1407 |
if (str == NULL) |
| 1408 |
goto not_enough_params; |
| 1409 |
irc_printf(conn, "WHOIS %s\r\n", str); |
| 1410 |
return; |
| 1411 |
} |
| 1412 |
|
| 1413 |
chatter_printf(conn->chatter, conn, NULL, |
| 1414 |
"unrecognized command \"$B%s$0\"", |
| 1415 |
arg0); |
| 1416 |
return; |
| 1417 |
|
| 1418 |
not_enough_params: |
| 1419 |
chatter_printf(conn->chatter, conn, channel ? channel->name : NULL, |
| 1420 |
"$B*!*$0 Not enough parameters given"); |
| 1421 |
return; |
| 1422 |
not_connected: |
| 1423 |
chatter_printf(conn->chatter, conn, channel ? channel->name : NULL, |
| 1424 |
"$B*!*$0 Not connected"); |
| 1425 |
return; |
| 1426 |
not_in_channel: |
| 1427 |
chatter_printf(conn->chatter, conn, NULL, |
| 1428 |
"$B*!*$0 Cannot send (not in a channel)"); |
| 1429 |
return; |
| 1430 |
} |
| 1431 |
|
| 1432 |
struct irc_channel * |
| 1433 |
irc_create_channel(struct irc_connection *conn, char *channame) |
| 1434 |
{ |
| 1435 |
struct irc_channel *channel, *tchannel; |
| 1436 |
short n; |
| 1437 |
|
| 1438 |
SLIST_FOREACH(channel, &conn->channels_list, list) { |
| 1439 |
if (strcasecmp(channel->name, channame) == 0) |
| 1440 |
return channel; |
| 1441 |
} |
| 1442 |
|
| 1443 |
channel = xmalloczero(sizeof(struct irc_channel)); |
| 1444 |
if (channel == NULL) |
| 1445 |
panic("Out of memory for new channel"); |
| 1446 |
SLIST_APPEND(&conn->channels_list, channel, irc_channel, list); |
| 1447 |
channel->connection = conn; |
| 1448 |
strlcpy(channel->name, channame, sizeof(channel->name)); |
| 1449 |
channel->chatter = conn->chatter; |
| 1450 |
chatter_add_tab(channel->chatter, NULL, conn, channel, NULL); |
| 1451 |
|
| 1452 |
irc_printf(conn, "MODE %s\r\n", channel->name); |
| 1453 |
|
| 1454 |
return channel; |
| 1455 |
} |
| 1456 |
|
| 1457 |
void |
| 1458 |
irc_quit_with_message(struct irc_connection *conn, char *str) |
| 1459 |
{ |
| 1460 |
if (str) |
| 1461 |
irc_printf(conn, "QUIT :%s\r\n", str); |
| 1462 |
else |
| 1463 |
irc_printf(conn, "QUIT :%s %s on a %s\r\n", |
| 1464 |
PROGRAM_NAME, get_version(false), gestalt_machine_type()); |
| 1465 |
} |
| 1466 |
|
| 1467 |
void |
| 1468 |
irc_part_channel(struct irc_connection *conn, struct irc_channel *channel) |
| 1469 |
{ |
| 1470 |
if (conn->state >= IRC_STATE_CONNECTED) |
| 1471 |
irc_printf(conn, "PART %s\r\n", channel->name); |
| 1472 |
} |
| 1473 |
|
| 1474 |
void |
| 1475 |
irc_dealloc_channel(struct irc_channel *channel) |
| 1476 |
{ |
| 1477 |
struct irc_connection *conn = channel->connection; |
| 1478 |
struct chatter *chatter = channel->chatter; |
| 1479 |
struct chatter_tab *tab; |
| 1480 |
|
| 1481 |
if ((tab = chatter_find_tab(chatter, conn, channel->name))) { |
| 1482 |
/* clear channel first so close_tab doesn't try to part */ |
| 1483 |
tab->channel = NULL; |
| 1484 |
chatter_close_tab(chatter, tab); |
| 1485 |
} |
| 1486 |
|
| 1487 |
if (channel->nicks) |
| 1488 |
xfree(&channel->nicks); |
| 1489 |
|
| 1490 |
SLIST_REMOVE(&conn->channels_list, channel, irc_channel, list); |
| 1491 |
|
| 1492 |
xfree(&channel); |
| 1493 |
} |
| 1494 |
|
| 1495 |
void |
| 1496 |
irc_buffer_names(struct irc_channel *channel, char *line) |
| 1497 |
{ |
| 1498 |
size_t len, s; |
| 1499 |
|
| 1500 |
len = strlen(line); |
| 1501 |
|
| 1502 |
if (channel->nicks_buf_len + len >= channel->nicks_buf_size) { |
| 1503 |
s = (IRC_MAX_MSG_SIZE * 5) + 1; |
| 1504 |
channel->nicks_buf = xrealloc(channel->nicks_buf, |
| 1505 |
channel->nicks_buf_size + s); |
| 1506 |
if (channel->nicks_buf == NULL) |
| 1507 |
panic("Out of memory allocating %ld+%ld bytes for more nicks", |
| 1508 |
channel->nicks_buf_size, s); |
| 1509 |
channel->nicks_buf_size += s; |
| 1510 |
} |
| 1511 |
|
| 1512 |
if (channel->nicks_buf_len) { |
| 1513 |
channel->nicks_buf[channel->nicks_buf_len] = ' '; |
| 1514 |
channel->nicks_buf_len++; |
| 1515 |
} |
| 1516 |
|
| 1517 |
memcpy(channel->nicks_buf + channel->nicks_buf_len, line, len); |
| 1518 |
channel->nicks_buf_len += len; |
| 1519 |
channel->nicks_buf[channel->nicks_buf_len] = '\0'; |
| 1520 |
} |
| 1521 |
|
| 1522 |
void |
| 1523 |
irc_parse_buffered_names(struct irc_channel *channel) |
| 1524 |
{ |
| 1525 |
char *nick, *tline; |
| 1526 |
short flags, count; |
| 1527 |
long start = Ticks; |
| 1528 |
|
| 1529 |
if (channel->nicks_size) |
| 1530 |
memset(&channel->nicks, 0, |
| 1531 |
sizeof(struct irc_channel_nick) * channel->nicks_size); |
| 1532 |
|
| 1533 |
channel->nnicks = 0; |
| 1534 |
|
| 1535 |
/* get a count of nicks to pass as a hint to malloc */ |
| 1536 |
count = 1; |
| 1537 |
for (tline = channel->nicks_buf; *tline != '\0'; tline++) |
| 1538 |
if (*tline == ' ') |
| 1539 |
count++; |
| 1540 |
|
| 1541 |
for (tline = channel->nicks_buf; tline != NULL; ) { |
| 1542 |
nick = strsep(&tline, " "); |
| 1543 |
|
| 1544 |
if (nick[0] == '@') { |
| 1545 |
flags = IRC_NICK_FLAG_OP; |
| 1546 |
nick++; |
| 1547 |
} else if (nick[0] == '+') { |
| 1548 |
flags = IRC_NICK_FLAG_VOICE; |
| 1549 |
nick++; |
| 1550 |
} else if (nick[0] == '\0') { |
| 1551 |
/* some servers send a trailing space */ |
| 1552 |
break; |
| 1553 |
} else |
| 1554 |
flags = 0; |
| 1555 |
|
| 1556 |
irc_add_nick_to_channel(channel, nick, flags, count); |
| 1557 |
} |
| 1558 |
|
| 1559 |
xfree(&channel->nicks_buf); |
| 1560 |
channel->nicks_buf_size = 0; |
| 1561 |
channel->nicks_buf_len = 0; |
| 1562 |
} |
| 1563 |
|
| 1564 |
void |
| 1565 |
irc_add_nick_to_channel(struct irc_channel *channel, char *nick, |
| 1566 |
short flags, short count_hint) |
| 1567 |
{ |
| 1568 |
struct irc_channel_nick *anick, *cnick, *pnick; |
| 1569 |
size_t new_size; |
| 1570 |
short aidx, cidx, ret; |
| 1571 |
|
| 1572 |
if (channel->nnicks >= channel->nicks_size) { |
| 1573 |
if (count_hint < 10) |
| 1574 |
count_hint = 10; |
| 1575 |
new_size = channel->nicks_size + count_hint; |
| 1576 |
/* 15% buffer */ |
| 1577 |
new_size += ((new_size * 100) / 666); |
| 1578 |
|
| 1579 |
channel->nicks_size = new_size; |
| 1580 |
channel->nicks = xreallocarray(channel->nicks, |
| 1581 |
sizeof(struct irc_channel_nick), channel->nicks_size); |
| 1582 |
if (channel->nicks == NULL) |
| 1583 |
panic("Out of memory for %ld nicks (%ld bytes)", |
| 1584 |
channel->nnicks, |
| 1585 |
sizeof(struct irc_channel_nick) * channel->nicks_size); |
| 1586 |
memset(&channel->nicks[channel->nnicks], 0, |
| 1587 |
sizeof(struct irc_channel_nick) * |
| 1588 |
(channel->nicks_size - channel->nnicks)); |
| 1589 |
aidx = channel->nnicks; |
| 1590 |
} else { |
| 1591 |
if (channel->nicks[channel->nnicks].nick[0] == '\0') |
| 1592 |
aidx = channel->nnicks; |
| 1593 |
else { |
| 1594 |
/* find an open slot */ |
| 1595 |
for (aidx = 0; aidx < channel->nicks_size; aidx++) { |
| 1596 |
if (channel->nicks[aidx].nick[0] == '\0') |
| 1597 |
break; |
| 1598 |
} |
| 1599 |
} |
| 1600 |
} |
| 1601 |
|
| 1602 |
if (aidx >= channel->nicks_size) |
| 1603 |
panic("irc_add_nick_to_channel overflow"); |
| 1604 |
|
| 1605 |
channel->nnicks++; |
| 1606 |
anick = &channel->nicks[aidx]; |
| 1607 |
strlcpy(anick->nick, nick, sizeof(anick->nick)); |
| 1608 |
anick->flags = flags; |
| 1609 |
|
| 1610 |
if (channel->nnicks == 1) { |
| 1611 |
anick->next_nick = -1; |
| 1612 |
channel->first_nick = 0; |
| 1613 |
cidx = 0; |
| 1614 |
} else { |
| 1615 |
/* sort it in the right place by flags descending, then by nick */ |
| 1616 |
cnick = &channel->nicks[channel->first_nick]; |
| 1617 |
pnick = NULL; |
| 1618 |
cidx = 0; |
| 1619 |
while (cnick) { |
| 1620 |
if (cnick->nick[0] == '\0') |
| 1621 |
ret = 1; |
| 1622 |
else if (cnick->flags == anick->flags) |
| 1623 |
ret = strcasecmp(anick->nick, cnick->nick); |
| 1624 |
else if (anick->flags > cnick->flags) |
| 1625 |
ret = -1; |
| 1626 |
else |
| 1627 |
ret = 1; |
| 1628 |
|
| 1629 |
if (ret <= 0) { |
| 1630 |
/* new nick goes before this one */ |
| 1631 |
if (pnick) { |
| 1632 |
anick->next_nick = pnick->next_nick; |
| 1633 |
pnick->next_nick = aidx; |
| 1634 |
} else { |
| 1635 |
anick->next_nick = channel->first_nick; |
| 1636 |
channel->first_nick = aidx; |
| 1637 |
} |
| 1638 |
break; |
| 1639 |
} |
| 1640 |
|
| 1641 |
cidx++; |
| 1642 |
|
| 1643 |
if (cnick->next_nick == -1) { |
| 1644 |
/* end of the line */ |
| 1645 |
cnick->next_nick = aidx; |
| 1646 |
anick->next_nick = -1; |
| 1647 |
break; |
| 1648 |
} |
| 1649 |
|
| 1650 |
pnick = cnick; |
| 1651 |
cnick = &channel->nicks[cnick->next_nick]; |
| 1652 |
} |
| 1653 |
} |
| 1654 |
|
| 1655 |
if (!channel->nicks_buf_size) |
| 1656 |
chatter_insert_to_nick_list(channel->chatter, channel, anick, |
| 1657 |
cidx); |
| 1658 |
} |
| 1659 |
|
| 1660 |
void |
| 1661 |
irc_remove_nick_from_channel(struct irc_channel *channel, char *nick) |
| 1662 |
{ |
| 1663 |
struct irc_channel_nick *cnick, *pnick; |
| 1664 |
short cidx; |
| 1665 |
|
| 1666 |
if (channel->first_nick == -1) |
| 1667 |
return; |
| 1668 |
|
| 1669 |
pnick = NULL; |
| 1670 |
cnick = &channel->nicks[channel->first_nick]; |
| 1671 |
cidx = 0; |
| 1672 |
while (cnick) { |
| 1673 |
if (strcmp(cnick->nick, nick) != 0) { |
| 1674 |
pnick = cnick; |
| 1675 |
cidx++; |
| 1676 |
if (cnick->next_nick == -1) |
| 1677 |
return; |
| 1678 |
cnick = &channel->nicks[cnick->next_nick]; |
| 1679 |
continue; |
| 1680 |
} |
| 1681 |
|
| 1682 |
/* connect the nick that pointed to this one and the one we point to */ |
| 1683 |
if (pnick) |
| 1684 |
pnick->next_nick = cnick->next_nick; |
| 1685 |
else |
| 1686 |
channel->first_nick = cnick->next_nick; |
| 1687 |
|
| 1688 |
channel->nnicks--; |
| 1689 |
cnick->nick[0] = '\0'; |
| 1690 |
chatter_remove_from_nick_list(channel->chatter, channel, |
| 1691 |
cnick, cidx); |
| 1692 |
return; |
| 1693 |
} |
| 1694 |
} |
| 1695 |
|
| 1696 |
bool |
| 1697 |
irc_nick_is_in_channel(struct irc_channel *channel, char *nick) |
| 1698 |
{ |
| 1699 |
struct irc_channel_nick *cnick, *pnick; |
| 1700 |
|
| 1701 |
if (channel->first_nick == -1) |
| 1702 |
return false; |
| 1703 |
|
| 1704 |
pnick = NULL; |
| 1705 |
cnick = &channel->nicks[channel->first_nick]; |
| 1706 |
while (cnick) { |
| 1707 |
if (strcmp(cnick->nick, nick) == 0) |
| 1708 |
return true; |
| 1709 |
|
| 1710 |
pnick = cnick; |
| 1711 |
if (cnick->next_nick == -1) |
| 1712 |
break; |
| 1713 |
cnick = &channel->nicks[cnick->next_nick]; |
| 1714 |
} |
| 1715 |
|
| 1716 |
return false; |
| 1717 |
} |
| 1718 |
|
| 1719 |
void |
| 1720 |
irc_change_user_nick(struct irc_connection *conn, |
| 1721 |
struct irc_channel *channel, struct irc_user *user, char *nick) |
| 1722 |
{ |
| 1723 |
struct irc_channel_nick *cnick; |
| 1724 |
short n, flags; |
| 1725 |
|
| 1726 |
if (channel && channel->first_nick > -1) { |
| 1727 |
/* preserve flags */ |
| 1728 |
cnick = &channel->nicks[channel->first_nick]; |
| 1729 |
while (cnick) { |
| 1730 |
if (strcmp(cnick->nick, user->nick) == 0) { |
| 1731 |
flags = cnick->flags; |
| 1732 |
break; |
| 1733 |
} |
| 1734 |
if (cnick->next_nick == -1) |
| 1735 |
break; |
| 1736 |
cnick = &channel->nicks[cnick->next_nick]; |
| 1737 |
} |
| 1738 |
|
| 1739 |
irc_remove_nick_from_channel(channel, user->nick); |
| 1740 |
irc_add_nick_to_channel(channel, nick, flags, 0); |
| 1741 |
} |
| 1742 |
|
| 1743 |
if (strcasecmp(conn->nick, user->nick) == 0) { |
| 1744 |
xfree(&conn->nick); |
| 1745 |
conn->nick_len = strlen(nick); |
| 1746 |
conn->nick = xstrdup(nick); |
| 1747 |
if (conn->nick == NULL) |
| 1748 |
panic("Out of memory changing nick"); |
| 1749 |
chatter_update_titlebar(conn->chatter); |
| 1750 |
} |
| 1751 |
} |
| 1752 |
|
| 1753 |
bool |
| 1754 |
irc_parse_channel_mode_change(struct irc_channel *channel, char *mode, |
| 1755 |
char *args) |
| 1756 |
{ |
| 1757 |
size_t len; |
| 1758 |
struct irc_channel_nick *cnick; |
| 1759 |
char *user; |
| 1760 |
short n, j, flags; |
| 1761 |
bool add = false; |
| 1762 |
bool others = false; |
| 1763 |
|
| 1764 |
len = strlen(mode); |
| 1765 |
|
| 1766 |
/* mode:"+mvo-vo" args:"nick1 nick2 nick3 nick4" */ |
| 1767 |
for (n = 0; n < len; n++) { |
| 1768 |
switch (mode[n]) { |
| 1769 |
case '+': |
| 1770 |
add = true; |
| 1771 |
break; |
| 1772 |
case '-': |
| 1773 |
add = false; |
| 1774 |
break; |
| 1775 |
case 'v': |
| 1776 |
case 'o': |
| 1777 |
user = strsep(&args, " "); |
| 1778 |
if (user == NULL) |
| 1779 |
user = args; |
| 1780 |
|
| 1781 |
cnick = &channel->nicks[channel->first_nick]; |
| 1782 |
while (cnick) { |
| 1783 |
if (strcmp(cnick->nick, user) != 0) { |
| 1784 |
if (cnick->next_nick == -1) |
| 1785 |
break; |
| 1786 |
cnick = &channel->nicks[cnick->next_nick]; |
| 1787 |
continue; |
| 1788 |
} |
| 1789 |
|
| 1790 |
flags = cnick->flags; |
| 1791 |
if (mode[n] == 'o') { |
| 1792 |
if (add) |
| 1793 |
flags |= IRC_NICK_FLAG_OP; |
| 1794 |
else |
| 1795 |
flags &= ~IRC_NICK_FLAG_OP; |
| 1796 |
} else if (mode[n] == 'v') { |
| 1797 |
if (add) |
| 1798 |
flags |= IRC_NICK_FLAG_VOICE; |
| 1799 |
else |
| 1800 |
flags &= ~IRC_NICK_FLAG_VOICE; |
| 1801 |
} |
| 1802 |
|
| 1803 |
irc_remove_nick_from_channel(channel, cnick->nick); |
| 1804 |
/* cnick is probably invalid now */ |
| 1805 |
irc_add_nick_to_channel(channel, user, flags, 0); |
| 1806 |
break; |
| 1807 |
} |
| 1808 |
|
| 1809 |
break; |
| 1810 |
default: |
| 1811 |
/* some other channel mode */ |
| 1812 |
others = true; |
| 1813 |
break; |
| 1814 |
} |
| 1815 |
} |
| 1816 |
|
| 1817 |
return others; |
| 1818 |
} |
| 1819 |
|
| 1820 |
void |
| 1821 |
irc_do_mode_to_users(struct irc_connection *conn, char *channel_name, |
| 1822 |
char *mode, char *nicks) |
| 1823 |
{ |
| 1824 |
#define MAX_MODES_AT_ONCE 4 |
| 1825 |
/* assume we can only do 4 at a time */ |
| 1826 |
char modes[(2 * MAX_MODES_AT_ONCE) + 1]; |
| 1827 |
char mnicks[((member_size(struct irc_user, nick) + 1) * |
| 1828 |
MAX_MODES_AT_ONCE) + 1]; |
| 1829 |
char *nick; |
| 1830 |
short count; |
| 1831 |
|
| 1832 |
/* TODO: support +b by looking up user in nick table for hostmask */ |
| 1833 |
|
| 1834 |
modes[0] = '\0'; |
| 1835 |
mnicks[0] = '\0'; |
| 1836 |
count = 0; |
| 1837 |
|
| 1838 |
while (nicks != NULL) { |
| 1839 |
strlcat(modes, mode, sizeof(modes)); |
| 1840 |
|
| 1841 |
nick = strsep(&nicks, " "); |
| 1842 |
strlcat(mnicks, nick, sizeof(mnicks)); |
| 1843 |
count++; |
| 1844 |
|
| 1845 |
if (nicks != NULL && count != MAX_MODES_AT_ONCE) |
| 1846 |
strlcat(mnicks, " ", sizeof(mnicks)); |
| 1847 |
|
| 1848 |
if (nicks == NULL || count == 4) { |
| 1849 |
irc_printf(conn, "MODE %s %s %s\r\n", channel_name, modes, |
| 1850 |
mnicks); |
| 1851 |
mnicks[0] = '\0'; |
| 1852 |
modes[0] = '\0'; |
| 1853 |
count = 0; |
| 1854 |
} |
| 1855 |
} |
| 1856 |
} |