| 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 "strnatcmp.h" |
| 24 |
|
| 25 |
short irc_verify_state(struct irc_connection *conn, short state); |
| 26 |
short irc_recv(struct irc_connection *conn); |
| 27 |
size_t irc_send(struct irc_connection *conn, char *line, size_t size); |
| 28 |
size_t irc_printf(struct irc_connection *conn, const char *format, ...); |
| 29 |
char * irc_get_line(struct irc_connection *conn, size_t *retsize); |
| 30 |
struct irc_user * irc_parse_user(char *str); |
| 31 |
bool irc_can_send(struct irc_connection *conn); |
| 32 |
struct irc_channel * irc_find_channel(struct irc_connection *conn, |
| 33 |
char *channame); |
| 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_dealloc_channel(struct irc_channel *channel); |
| 38 |
void irc_set_active_channel(struct irc_connection *conn, char *channame); |
| 39 |
void irc_parse_names(struct irc_channel *channel, char *line); |
| 40 |
void irc_add_nick_to_channel(struct irc_channel *channel, char *nick, |
| 41 |
short flags); |
| 42 |
void irc_remove_nick_from_channel(struct irc_channel *channel, char *nick); |
| 43 |
bool irc_nick_is_in_channel(struct irc_channel *channel, char *nick); |
| 44 |
void irc_change_user_nick(struct irc_channel *channel, |
| 45 |
struct irc_user *user, char *nick); |
| 46 |
void irc_parse_channel_mode_change(struct irc_channel *channel, char *mode, |
| 47 |
char *args); |
| 48 |
|
| 49 |
#define IRC_CAN_SEND(conn) ((conn)->send_pb.ioResult <= 0) |
| 50 |
|
| 51 |
struct irc_connections_head irc_connections_list = |
| 52 |
SLIST_HEAD_INITIALIZER(irc_connections_list); |
| 53 |
|
| 54 |
struct irc_connection * |
| 55 |
irc_connect(struct chatter *chatter, const char *server, |
| 56 |
const unsigned short port, const char *password, const char *nick, |
| 57 |
const char *ident, const char *realname, const char *channel) |
| 58 |
{ |
| 59 |
struct irc_connection *conn; |
| 60 |
char ip_str[] = "255.255.255.255"; |
| 61 |
char *retname; |
| 62 |
ip_addr ip = 0, local_ip = 0; |
| 63 |
ip_port local_port = 0; |
| 64 |
size_t len; |
| 65 |
short err; |
| 66 |
|
| 67 |
if ((err = _TCPInit()) != 0) |
| 68 |
panic("TCPInit failed (%d)", err); |
| 69 |
|
| 70 |
conn = xmalloczero(sizeof(struct irc_connection), "irc_connection"); |
| 71 |
SLIST_APPEND(&irc_connections_list, conn, irc_connection, list); |
| 72 |
SLIST_INIT(&conn->channels_list); |
| 73 |
conn->chatter = chatter; |
| 74 |
conn->state = IRC_STATE_DISCONNECTED; |
| 75 |
conn->hostname = xstrdup(server, "server"); |
| 76 |
conn->port = port; |
| 77 |
if (password && password[0]) |
| 78 |
conn->password = xstrdup(password, "password"); |
| 79 |
conn->nick = xstrdup(nick, "nick"); |
| 80 |
conn->ident = xstrdup(ident, "ident"); |
| 81 |
conn->realname = xstrdup(realname, "realname"); |
| 82 |
if (channel && channel[0]) |
| 83 |
conn->channel_autojoin = xstrdup(channel, "chan"); |
| 84 |
|
| 85 |
chatter_printf(conn->chatter, conn, NULL, |
| 86 |
"$B***$0 Connecting to $B%s:%d$0...", conn->hostname, conn->port); |
| 87 |
|
| 88 |
if ((err = _TCPCreate(&conn->send_pb, &conn->stream, (Ptr)conn->tcp_buf, |
| 89 |
sizeof(conn->tcp_buf), nil, nil, nil, false)) != noErr) { |
| 90 |
chatter_printf(conn->chatter, conn, NULL, |
| 91 |
"%B*!* TCPCreate failed: %d$0", err); |
| 92 |
return conn; |
| 93 |
} |
| 94 |
|
| 95 |
if ((err = TCPResolveName(conn->hostname, &ip)) != 0) { |
| 96 |
chatter_printf(conn->chatter, conn, NULL, |
| 97 |
"$B*!* Couldn't resolve host %s (%d)$0", conn->hostname, err); |
| 98 |
conn->state = IRC_STATE_DEAD; |
| 99 |
return conn; |
| 100 |
} |
| 101 |
|
| 102 |
long2ip(ip, ip_str); |
| 103 |
|
| 104 |
if ((err = _TCPActiveOpen(&conn->send_pb, conn->stream, ip, |
| 105 |
conn->port, &local_ip, &local_port, nil, nil, false)) != noErr) { |
| 106 |
chatter_printf(conn->chatter, conn, NULL, |
| 107 |
"$B*!* Failed connecting to %s (%s) port %d: %d$0", |
| 108 |
conn->hostname, ip_str, conn->port, err); |
| 109 |
conn->state = IRC_STATE_DEAD; |
| 110 |
return conn; |
| 111 |
} |
| 112 |
|
| 113 |
chatter_printf(conn->chatter, conn, NULL, |
| 114 |
"$B***$0 Connected to $B%s$0 (%s) port %d", conn->hostname, ip_str, |
| 115 |
conn->port); |
| 116 |
|
| 117 |
conn->state = IRC_STATE_CONNECTED; |
| 118 |
|
| 119 |
if (conn->password && conn->password[0]) { |
| 120 |
len = snprintf(conn->line, sizeof(conn->line), |
| 121 |
"PASS %s\r\n", conn->password); |
| 122 |
irc_send(conn, conn->line, len); |
| 123 |
} |
| 124 |
|
| 125 |
len = snprintf(conn->line, sizeof(conn->line), |
| 126 |
"NICK %s\r\n", conn->nick); |
| 127 |
irc_send(conn, conn->line, len); |
| 128 |
|
| 129 |
len = snprintf(conn->line, sizeof(conn->line), |
| 130 |
"USER %s 0 * :%s\r\n", conn->ident, conn->realname); |
| 131 |
irc_send(conn, conn->line, len); |
| 132 |
|
| 133 |
return conn; |
| 134 |
} |
| 135 |
|
| 136 |
void |
| 137 |
irc_close_connection(struct irc_connection *conn) |
| 138 |
{ |
| 139 |
if (conn->stream) { |
| 140 |
_TCPClose(&conn->close_pb, conn->stream, nil, nil, false); |
| 141 |
_TCPAbort(&conn->close_pb, conn->stream, nil, nil, false); |
| 142 |
_TCPRelease(&conn->close_pb, conn->stream, nil, nil, false); |
| 143 |
conn->stream = 0; |
| 144 |
} |
| 145 |
|
| 146 |
conn->state = IRC_STATE_DISCONNECTED; |
| 147 |
} |
| 148 |
|
| 149 |
void |
| 150 |
irc_dealloc_connection(struct irc_connection *conn) |
| 151 |
{ |
| 152 |
struct irc_connection *tconn; |
| 153 |
short n; |
| 154 |
|
| 155 |
irc_close_connection(conn); |
| 156 |
|
| 157 |
while (!SLIST_EMPTY(&conn->channels_list)) |
| 158 |
irc_dealloc_channel(SLIST_FIRST(&conn->channels_list)); |
| 159 |
|
| 160 |
if (conn->hostname != NULL) |
| 161 |
xfree(&conn->hostname); |
| 162 |
if (conn->password != NULL) |
| 163 |
xfree(&conn->password); |
| 164 |
if (conn->nick != NULL) |
| 165 |
xfree(&conn->nick); |
| 166 |
if (conn->ident != NULL) |
| 167 |
xfree(&conn->ident); |
| 168 |
if (conn->realname != NULL) |
| 169 |
xfree(&conn->realname); |
| 170 |
if (conn->channel_autojoin != NULL) |
| 171 |
xfree(&conn->channel_autojoin); |
| 172 |
|
| 173 |
SLIST_REMOVE(&irc_connections_list, conn, irc_connection, list); |
| 174 |
|
| 175 |
xfree(&conn); |
| 176 |
} |
| 177 |
|
| 178 |
void |
| 179 |
irc_process(struct irc_connection *conn) |
| 180 |
{ |
| 181 |
short was_state = conn->state; |
| 182 |
|
| 183 |
if (conn->state >= IRC_STATE_CONNECTED) |
| 184 |
irc_recv(conn); |
| 185 |
|
| 186 |
switch (conn->state) { |
| 187 |
case IRC_STATE_DISCONNECTED: |
| 188 |
break; |
| 189 |
case IRC_STATE_DEAD: |
| 190 |
irc_close_connection(conn); |
| 191 |
break; |
| 192 |
case IRC_STATE_CONNECTED: |
| 193 |
irc_process_server(conn); |
| 194 |
break; |
| 195 |
} |
| 196 |
} |
| 197 |
|
| 198 |
short |
| 199 |
irc_verify_state(struct irc_connection *conn, short state) |
| 200 |
{ |
| 201 |
if (conn->state != state) { |
| 202 |
warn("Bad IRC state (in %d, expected %d)", conn->state, state); |
| 203 |
conn->state = IRC_STATE_DEAD; |
| 204 |
return 0; |
| 205 |
} |
| 206 |
|
| 207 |
return 1; |
| 208 |
} |
| 209 |
|
| 210 |
short |
| 211 |
irc_recv(struct irc_connection *conn) |
| 212 |
{ |
| 213 |
unsigned short rlen; |
| 214 |
short error, rerror, n; |
| 215 |
|
| 216 |
if (conn->state < IRC_STATE_CONNECTING) |
| 217 |
return 0; |
| 218 |
|
| 219 |
error = _TCPStatus(&conn->rcv_pb, conn->stream, &conn->status_pb, nil, |
| 220 |
nil, false); |
| 221 |
|
| 222 |
if (conn->status_pb.amtUnreadData > 0 && |
| 223 |
conn->ibuflen < sizeof(conn->ibuf)) { |
| 224 |
rlen = conn->status_pb.amtUnreadData; |
| 225 |
if (conn->ibuflen + rlen > sizeof(conn->ibuf)) |
| 226 |
rlen = sizeof(conn->ibuf) - conn->ibuflen; |
| 227 |
|
| 228 |
rerror = _TCPRcv(&conn->rcv_pb, conn->stream, |
| 229 |
(Ptr)(conn->ibuf + conn->ibuflen), &rlen, nil, nil, false); |
| 230 |
if (rerror) { |
| 231 |
chatter_printf(conn->chatter, conn, NULL, |
| 232 |
"$B*!* TCPRecv failed (%d), disconnecting$0", error); |
| 233 |
conn->state = IRC_STATE_DEAD; |
| 234 |
return -1; |
| 235 |
} |
| 236 |
|
| 237 |
conn->ibuflen += rlen; |
| 238 |
} |
| 239 |
|
| 240 |
if (error) { |
| 241 |
/* let already-consumed buffer finish processing */ |
| 242 |
while (irc_process_server(conn)) |
| 243 |
SystemTask(); |
| 244 |
chatter_printf(conn->chatter, conn, NULL, |
| 245 |
"$B*!* TCPStatus failed: %d$0", |
| 246 |
error); |
| 247 |
conn->state = IRC_STATE_DEAD; |
| 248 |
return -1; |
| 249 |
} |
| 250 |
|
| 251 |
return rlen; |
| 252 |
} |
| 253 |
|
| 254 |
size_t |
| 255 |
irc_send(struct irc_connection *conn, char *line, size_t size) |
| 256 |
{ |
| 257 |
short error; |
| 258 |
|
| 259 |
if (size > sizeof(conn->obuf)) |
| 260 |
panic("irc_send: too much data %lu", size); |
| 261 |
|
| 262 |
if (!irc_verify_state(conn, IRC_STATE_CONNECTED)) |
| 263 |
return; |
| 264 |
|
| 265 |
while (!IRC_CAN_SEND(conn)) |
| 266 |
SystemTask(); |
| 267 |
|
| 268 |
if (conn->send_pb.ioResult < 0) { |
| 269 |
chatter_printf(conn->chatter, conn, NULL, |
| 270 |
"$B*!* TCPSend failed (%d), disconnecting$0", |
| 271 |
conn->send_pb.ioResult); |
| 272 |
conn->state = IRC_STATE_DEAD; |
| 273 |
return 0; |
| 274 |
} |
| 275 |
|
| 276 |
memcpy(&conn->obuf, line, size); |
| 277 |
|
| 278 |
/* |
| 279 |
* _TCPSend only knows how many wds pointers were passed in when it |
| 280 |
* reads the next one and its pointer is zero (or size is zero?), so |
| 281 |
* even though we're only sending one wds, memory after wds[0] |
| 282 |
* has to be zeroed out. |
| 283 |
*/ |
| 284 |
memset(&conn->wds, 0, sizeof(conn->wds)); |
| 285 |
conn->wds[0].ptr = (Ptr)&conn->obuf; |
| 286 |
conn->wds[0].length = size; |
| 287 |
|
| 288 |
error = _TCPSend(&conn->send_pb, conn->stream, conn->wds, nil, nil, |
| 289 |
true); |
| 290 |
if (error) { |
| 291 |
chatter_printf(conn->chatter, conn, NULL, |
| 292 |
"$B*!* TCPSend failed (%d), disconnecting$0", error); |
| 293 |
conn->state = IRC_STATE_DEAD; |
| 294 |
return 0; |
| 295 |
} |
| 296 |
|
| 297 |
return size; |
| 298 |
} |
| 299 |
|
| 300 |
size_t |
| 301 |
irc_printf(struct irc_connection *conn, const char *format, ...) |
| 302 |
{ |
| 303 |
static char buf[512]; |
| 304 |
va_list argptr; |
| 305 |
size_t len = 0; |
| 306 |
|
| 307 |
va_start(argptr, format); |
| 308 |
len = vsnprintf(buf, sizeof(buf), format, argptr); |
| 309 |
va_end(argptr); |
| 310 |
|
| 311 |
if (len > sizeof(buf)) { |
| 312 |
warn("irc_printf overflow!"); |
| 313 |
len = sizeof(buf); |
| 314 |
buf[len - 1] = '\0'; |
| 315 |
} |
| 316 |
|
| 317 |
irc_send(conn, buf, len); |
| 318 |
|
| 319 |
return len; |
| 320 |
} |
| 321 |
|
| 322 |
struct irc_user * |
| 323 |
irc_parse_user(char *str) |
| 324 |
{ |
| 325 |
static struct irc_user parsed_user; |
| 326 |
short ret; |
| 327 |
|
| 328 |
memset(&parsed_user, 0, sizeof(parsed_user)); |
| 329 |
ret = sscanf(str, "%[^!]!%[^@]@%s", &parsed_user.nick, |
| 330 |
&parsed_user.username, &parsed_user.hostname); |
| 331 |
if (ret != 3) { |
| 332 |
/* probably just a hostname */ |
| 333 |
strlcpy(parsed_user.nick, str, sizeof(parsed_user.nick)); |
| 334 |
strlcpy(parsed_user.username, str, sizeof(parsed_user.username)); |
| 335 |
strlcpy(parsed_user.hostname, str, sizeof(parsed_user.hostname)); |
| 336 |
} |
| 337 |
return &parsed_user; |
| 338 |
} |
| 339 |
|
| 340 |
char * |
| 341 |
irc_get_line(struct irc_connection *conn, size_t *retsize) |
| 342 |
{ |
| 343 |
size_t n; |
| 344 |
|
| 345 |
if (conn->ibuflen == 0) { |
| 346 |
if (retsize != NULL) |
| 347 |
*retsize = 0; |
| 348 |
return NULL; |
| 349 |
} |
| 350 |
|
| 351 |
for (n = 0; n < conn->ibuflen - 1; n++) { |
| 352 |
if (conn->ibuf[n] != '\r') |
| 353 |
continue; |
| 354 |
if (conn->ibuf[n + 1] != '\n') |
| 355 |
continue; |
| 356 |
|
| 357 |
memcpy(conn->line, conn->ibuf, n + 1); |
| 358 |
conn->line[n] = '\0'; |
| 359 |
if (retsize != NULL) |
| 360 |
*retsize = n + 1; |
| 361 |
|
| 362 |
if (n == conn->ibuflen - 2) { |
| 363 |
conn->ibuflen = 0; |
| 364 |
} else { |
| 365 |
conn->ibuflen -= n + 2; |
| 366 |
if (conn->ibuflen < 0) |
| 367 |
panic("bogus ibuflen %d", conn->ibuflen); |
| 368 |
memmove(conn->ibuf, conn->ibuf + n + 2, conn->ibuflen); |
| 369 |
} |
| 370 |
return conn->line; |
| 371 |
} |
| 372 |
|
| 373 |
return NULL; |
| 374 |
} |
| 375 |
|
| 376 |
struct irc_channel * |
| 377 |
irc_find_channel(struct irc_connection *conn, char *channame) |
| 378 |
{ |
| 379 |
struct irc_channel *channel; |
| 380 |
short n; |
| 381 |
|
| 382 |
if (channame == NULL || channame[0] == '\0') |
| 383 |
return NULL; |
| 384 |
|
| 385 |
SLIST_FOREACH(channel, &conn->channels_list, list) { |
| 386 |
if (strcasecmp(channel->name, channame) == 0) |
| 387 |
return channel; |
| 388 |
} |
| 389 |
|
| 390 |
return NULL; |
| 391 |
} |
| 392 |
|
| 393 |
bool |
| 394 |
irc_process_server(struct irc_connection *conn) |
| 395 |
{ |
| 396 |
struct irc_msg msg; |
| 397 |
struct irc_user *user; |
| 398 |
struct irc_channel *channel; |
| 399 |
char *line, *word; |
| 400 |
size_t size, n, lastbreak; |
| 401 |
short state, curarg; |
| 402 |
|
| 403 |
line = irc_get_line(conn, &size); |
| 404 |
if (size == 0 || line == NULL) |
| 405 |
return false; |
| 406 |
|
| 407 |
memset(&msg, 0, sizeof(msg)); |
| 408 |
|
| 409 |
word = strsep(&line, " "); |
| 410 |
|
| 411 |
/* extract source before command */ |
| 412 |
if (word[0] == ':') { |
| 413 |
/* ":server.name 001 jcs :Hi" -> msg.source=server.name */ |
| 414 |
strlcpy(msg.source, word + 1, sizeof(msg.source)); |
| 415 |
word = strsep(&line, " "); |
| 416 |
} |
| 417 |
|
| 418 |
/* code or a command name */ |
| 419 |
if (isdigit(word[0]) && isdigit(word[1]) && isdigit(word[2])) |
| 420 |
/* ":server.name 001 jcs :Hi" -> msg.code=1 */ |
| 421 |
msg.code = atoi(word); |
| 422 |
else |
| 423 |
/* "PING :server.name" -> msg.cmd=PING */ |
| 424 |
/* ":jcs!~jcs@jcs JOIN #wallops" -> msg.cmd=JOIN */ |
| 425 |
strlcpy(msg.cmd, word, sizeof(msg.cmd)); |
| 426 |
|
| 427 |
/* parameters, put into args until we see one starting with : */ |
| 428 |
curarg = 0; |
| 429 |
while (line != NULL && line[0] != '\0') { |
| 430 |
if (line[0] == ':') { |
| 431 |
strlcpy(msg.msg, line + 1, sizeof(msg.msg)); |
| 432 |
|
| 433 |
/* some irc servers put the first arg as the message */ |
| 434 |
if (curarg == 0) |
| 435 |
strlcpy(msg.arg[0], line + 1, sizeof(msg.arg[0])); |
| 436 |
break; |
| 437 |
} |
| 438 |
|
| 439 |
word = strsep(&line, " "); |
| 440 |
if (word == NULL) { |
| 441 |
strlcpy(msg.msg, line, sizeof(msg.msg)); |
| 442 |
break; |
| 443 |
} |
| 444 |
|
| 445 |
strlcpy(msg.arg[curarg], word, sizeof(msg.arg[curarg])); |
| 446 |
curarg++; |
| 447 |
|
| 448 |
if (curarg >= IRC_MSG_MAX_ARGS) { |
| 449 |
/* just stick the rest in msg */ |
| 450 |
strlcpy(msg.msg, line, sizeof(msg.msg)); |
| 451 |
break; |
| 452 |
} |
| 453 |
} |
| 454 |
|
| 455 |
if (msg.cmd[0]) { |
| 456 |
/* this one will fire most often, keep at the top */ |
| 457 |
if (strcmp(msg.cmd, "PRIVMSG") == 0) { |
| 458 |
user = irc_parse_user(msg.source); |
| 459 |
size = strlen(msg.msg); |
| 460 |
channel = irc_find_channel(conn, msg.arg[0]); |
| 461 |
|
| 462 |
if (msg.msg[0] == '\1' && msg.msg[size - 1] == '\1') { |
| 463 |
/* CTCP or a /me action */ |
| 464 |
msg.msg[size - 1] = '\0'; |
| 465 |
if (strncmp(msg.msg + 1, "ACTION", 6) == 0) { |
| 466 |
chatter_printf(channel ? channel->chatter : |
| 467 |
conn->chatter, conn, channel, |
| 468 |
"* %s$/ %s", |
| 469 |
user->nick, msg.msg + 8); |
| 470 |
} else if (strncmp(msg.msg + 1, "VERSION", 7) == 0) { |
| 471 |
chatter_printf(conn->chatter, conn, NULL, |
| 472 |
"$B*** %s ($0%s@%s$B)$0 requested CTCP $BVERSION$0 " |
| 473 |
"from $B%s$0", |
| 474 |
user->nick, user->username, user->hostname, |
| 475 |
msg.arg[0]); |
| 476 |
|
| 477 |
/* only respond if it was sent directly to us */ |
| 478 |
if (strcmp(msg.arg[0], conn->nick) == 0) { |
| 479 |
irc_printf(conn, |
| 480 |
"NOTICE %s :\1VERSION %s %s on a %s\1\r\n", |
| 481 |
user->nick, PROGRAM_NAME, get_version(false), |
| 482 |
gestalt_machine_type()); |
| 483 |
} |
| 484 |
} else { |
| 485 |
goto unknown; |
| 486 |
} |
| 487 |
} else if (strcmp(msg.arg[0], conn->nick) == 0) { |
| 488 |
chatter_printf(channel ? channel->chatter : conn->chatter, |
| 489 |
conn, channel, |
| 490 |
"$B[%s($0%s@%s$B)]$0$/ %s", |
| 491 |
user->nick, user->username, user->hostname, msg.msg); |
| 492 |
} else if (channel != NULL) { |
| 493 |
size = strlen(conn->nick); |
| 494 |
if (strncmp(msg.msg, conn->nick, size) == 0 && |
| 495 |
(msg.msg[size] == ' ' || msg.msg[size] == ':' || |
| 496 |
msg.msg[size] == ',' || msg.msg[size] == '\0')) { |
| 497 |
/* highlight message */ |
| 498 |
chatter_printf(channel->chatter, conn, channel, |
| 499 |
"<$U%s$0>$/ %s", user->nick, |
| 500 |
msg.msg); |
| 501 |
if (!conn->chatter->focusable->visible) |
| 502 |
notify(); |
| 503 |
} else |
| 504 |
chatter_printf(channel->chatter, conn, channel, |
| 505 |
"$/<%s> %s", |
| 506 |
user->nick, msg.msg); |
| 507 |
} else |
| 508 |
chatter_printf(conn->chatter, conn, NULL, |
| 509 |
"$B[%s($0%s@%s$B):%s]$0$/ %s", |
| 510 |
user->nick, user->username, user->hostname, msg.arg[0], |
| 511 |
msg.msg); |
| 512 |
return true; |
| 513 |
} |
| 514 |
if (strcmp(msg.cmd, "ERROR") == 0) { |
| 515 |
chatter_printf(conn->chatter, conn, NULL, |
| 516 |
"$B*!* Disconnected$0 from $B%s$0:$/ %s", |
| 517 |
conn->hostname, msg.msg); |
| 518 |
conn->state = IRC_STATE_DEAD; |
| 519 |
return true; |
| 520 |
} |
| 521 |
if (strcmp(msg.cmd, "JOIN") == 0) { |
| 522 |
user = irc_parse_user(msg.source); |
| 523 |
if (strcmp(user->nick, conn->nick) == 0) |
| 524 |
channel = irc_create_channel(conn, msg.arg[0]); |
| 525 |
else { |
| 526 |
channel = irc_find_channel(conn, msg.arg[0]); |
| 527 |
irc_add_nick_to_channel(channel, user->nick, 0); |
| 528 |
} |
| 529 |
chatter_printf(channel->chatter, conn, channel, |
| 530 |
"$B*** %s ($0%s@%s$B)$0 has joined $B%s$0", |
| 531 |
user->nick, user->username, user->hostname, msg.arg[0]); |
| 532 |
return true; |
| 533 |
} |
| 534 |
if (strcmp(msg.cmd, "KICK") == 0) { |
| 535 |
user = irc_parse_user(msg.source); |
| 536 |
channel = irc_find_channel(conn, msg.arg[0]); |
| 537 |
if (strcmp(msg.arg[1], conn->nick) == 0) { |
| 538 |
irc_dealloc_channel(channel); |
| 539 |
channel = NULL; |
| 540 |
} else |
| 541 |
irc_remove_nick_from_channel(channel, msg.arg[1]); |
| 542 |
chatter_printf(channel ? channel->chatter : conn->chatter, |
| 543 |
conn, channel, |
| 544 |
"$B*** %s$0 was kicked from $B%s$0 by $B%s%0:$/ %s", |
| 545 |
msg.arg[1], msg.arg[0], user->nick, msg.msg); |
| 546 |
return true; |
| 547 |
} |
| 548 |
if (strcmp(msg.cmd, "KILL") == 0) { |
| 549 |
user = irc_parse_user(msg.source); |
| 550 |
if (strcmp(user->nick, conn->nick) == 0) { |
| 551 |
/* we died :( */ |
| 552 |
warn("%s (%s@%s) has been killed: %s", |
| 553 |
user->nick, user->username, user->hostname, msg.msg); |
| 554 |
conn->state = IRC_STATE_DEAD; |
| 555 |
return false; |
| 556 |
} |
| 557 |
SLIST_FOREACH(channel, &conn->channels_list, list) { |
| 558 |
if (!irc_nick_is_in_channel(channel, user->nick)) |
| 559 |
continue; |
| 560 |
|
| 561 |
chatter_printf(conn->chatter, conn, channel, |
| 562 |
"$B*** %s ($0%s@%s$B)$0 has been killed:$/ %s", |
| 563 |
user->nick, user->username, user->hostname, msg.msg); |
| 564 |
irc_remove_nick_from_channel(channel, user->nick); |
| 565 |
} |
| 566 |
return true; |
| 567 |
} |
| 568 |
if (strcmp(msg.cmd, "MODE") == 0) { |
| 569 |
if (strcmp(msg.arg[0], conn->nick) == 0) |
| 570 |
chatter_printf(conn->chatter, conn, NULL, |
| 571 |
"$B***$0 Mode change ($B%s$0) for user $B%s$0", |
| 572 |
msg.msg, msg.arg[0]); |
| 573 |
else { |
| 574 |
user = irc_parse_user(msg.source); |
| 575 |
channel = irc_find_channel(conn, msg.arg[0]); |
| 576 |
/* concatenate nicks */ |
| 577 |
msg.msg[0] = '\0'; |
| 578 |
if (msg.arg[2][0] != '\0') |
| 579 |
strlcat(msg.msg, msg.arg[2], sizeof(msg.msg)); |
| 580 |
if (msg.arg[3][0] != '\0') { |
| 581 |
strlcat(msg.msg, " ", sizeof(msg.msg)); |
| 582 |
strlcat(msg.msg, msg.arg[3], sizeof(msg.msg)); |
| 583 |
} |
| 584 |
if (msg.arg[4][0] != '\0') { |
| 585 |
strlcat(msg.msg, " ", sizeof(msg.msg)); |
| 586 |
strlcat(msg.msg, msg.arg[4], sizeof(msg.msg)); |
| 587 |
} |
| 588 |
if (msg.arg[5][0] != '\0') { |
| 589 |
strlcat(msg.msg, " ", sizeof(msg.msg)); |
| 590 |
strlcat(msg.msg, msg.arg[5], sizeof(msg.msg)); |
| 591 |
} |
| 592 |
chatter_printf(channel ? channel->chatter : conn->chatter, |
| 593 |
conn, channel, |
| 594 |
"$B***$0 Mode change ($B%s %s$0) on $B%s$0 by $B%s%0", |
| 595 |
msg.arg[1], msg.msg, msg.arg[0], user->nick); |
| 596 |
if (channel) |
| 597 |
irc_parse_channel_mode_change(channel, msg.arg[1], |
| 598 |
msg.msg); |
| 599 |
} |
| 600 |
return true; |
| 601 |
} |
| 602 |
if (strcmp(msg.cmd, "NICK") == 0) { |
| 603 |
user = irc_parse_user(msg.source); |
| 604 |
SLIST_FOREACH(channel, &conn->channels_list, list) { |
| 605 |
if (!irc_nick_is_in_channel(channel, user->nick)) |
| 606 |
continue; |
| 607 |
|
| 608 |
chatter_printf(channel->chatter, conn, channel, |
| 609 |
"$B*** %s$0 is now known as $B%s$0", |
| 610 |
user->nick, msg.msg); |
| 611 |
irc_change_user_nick(channel, user, msg.msg); |
| 612 |
} |
| 613 |
return true; |
| 614 |
} |
| 615 |
if (strcmp(msg.cmd, "NOTICE") == 0) { |
| 616 |
if (strncmp(msg.msg, "*** ", 4) == 0) |
| 617 |
chatter_printf(conn->chatter, conn, NULL, |
| 618 |
"$B***$0 $/%s", |
| 619 |
msg.msg + 4); |
| 620 |
else |
| 621 |
chatter_printf(conn->chatter, conn, NULL, |
| 622 |
"$/%s", |
| 623 |
msg.msg); |
| 624 |
return true; |
| 625 |
} |
| 626 |
if (strcmp(msg.cmd, "PART") == 0) { |
| 627 |
user = irc_parse_user(msg.source); |
| 628 |
channel = irc_find_channel(conn, msg.arg[0]); |
| 629 |
if (strcmp(user->nick, conn->nick) == 0) { |
| 630 |
irc_dealloc_channel(channel); |
| 631 |
/* we don't need to print anything */ |
| 632 |
} else { |
| 633 |
irc_remove_nick_from_channel(channel, user->nick); |
| 634 |
chatter_printf(channel ? channel->chatter : conn->chatter, |
| 635 |
conn, channel, |
| 636 |
"$B*** %s ($0%s@%s$B)$0 has left $B%s$0", |
| 637 |
user->nick, user->username, user->hostname, msg.arg[0]); |
| 638 |
} |
| 639 |
return true; |
| 640 |
} |
| 641 |
if (strcmp(msg.cmd, "PING") == 0) { |
| 642 |
irc_printf(conn, "PONG :%s\r\n", msg.msg); |
| 643 |
return true; |
| 644 |
} |
| 645 |
if (strcmp(msg.cmd, "QUIT") == 0) { |
| 646 |
user = irc_parse_user(msg.source); |
| 647 |
SLIST_FOREACH(channel, &conn->channels_list, list) { |
| 648 |
if (!irc_nick_is_in_channel(channel, user->nick)) |
| 649 |
continue; |
| 650 |
|
| 651 |
irc_remove_nick_from_channel(channel, user->nick); |
| 652 |
chatter_printf(conn->chatter, conn, channel, |
| 653 |
"$B*** %s ($0%s@%s$B)$0 has quit:$/ %s", |
| 654 |
user->nick, user->username, user->hostname, msg.msg); |
| 655 |
} |
| 656 |
if (strcmp(user->nick, conn->nick) == 0) { |
| 657 |
chatter_printf(conn->chatter, conn, NULL, |
| 658 |
"$B*** %s ($0%s@%s$B)$0 has quit:$/ %s", |
| 659 |
user->nick, user->username, user->hostname, msg.msg); |
| 660 |
conn->state = IRC_STATE_DEAD; |
| 661 |
return false; |
| 662 |
} |
| 663 |
return true; |
| 664 |
} |
| 665 |
goto unknown; |
| 666 |
} |
| 667 |
|
| 668 |
switch (msg.code) { |
| 669 |
case 0: |
| 670 |
goto unknown; |
| 671 |
case 1: |
| 672 |
case 2: |
| 673 |
/* welcome banners */ |
| 674 |
goto print_msg; |
| 675 |
case 3: |
| 676 |
case 4: |
| 677 |
case 5: |
| 678 |
case 250: |
| 679 |
case 251: |
| 680 |
case 252: |
| 681 |
case 253: |
| 682 |
case 254: |
| 683 |
case 255: |
| 684 |
case 265: |
| 685 |
case 266: |
| 686 |
/* server stats, unhelpful */ |
| 687 |
return true; |
| 688 |
case 307: |
| 689 |
/* WHOIS regnick */ |
| 690 |
chatter_printf(conn->chatter, conn, NULL, |
| 691 |
"$B*** |$0 Authenticated:$/ %s", |
| 692 |
msg.msg); |
| 693 |
return true; |
| 694 |
case 311: |
| 695 |
/* WHOIS nick: "nick :ident hostname * :name" */ |
| 696 |
chatter_printf(conn->chatter, conn, NULL, |
| 697 |
"$B*** %s ($0%s@%s$B)$0", |
| 698 |
msg.arg[1], msg.arg[2], msg.arg[3]); |
| 699 |
chatter_printf(conn->chatter, conn, NULL, |
| 700 |
"$B*** |$0 Name:$/ %s", |
| 701 |
msg.msg); |
| 702 |
return true; |
| 703 |
case 312: |
| 704 |
/* WHOIS server */ |
| 705 |
chatter_printf(conn->chatter, conn, NULL, |
| 706 |
"$B*** |$0 Server:$/ %s (%s)", |
| 707 |
msg.arg[2], msg.msg); |
| 708 |
return true; |
| 709 |
case 671: |
| 710 |
/* WHOIS server */ |
| 711 |
chatter_printf(conn->chatter, conn, NULL, |
| 712 |
"$B*** |$0 Connection:$/ %s", |
| 713 |
msg.msg); |
| 714 |
return true; |
| 715 |
case 317: |
| 716 |
/* WHOIS idle */ |
| 717 |
chatter_printf(conn->chatter, conn, NULL, |
| 718 |
"$B*** |$0 Idle:$/ %s %s", |
| 719 |
msg.arg[2], msg.msg); |
| 720 |
return true; |
| 721 |
case 318: |
| 722 |
/* WHOIS end */ |
| 723 |
chatter_printf(conn->chatter, conn, NULL, |
| 724 |
"$B*** `-------$0"); |
| 725 |
return true; |
| 726 |
case 319: |
| 727 |
/* WHOIS channels */ |
| 728 |
chatter_printf(conn->chatter, conn, NULL, |
| 729 |
"$B*** |$0 Channels:$/ %s", |
| 730 |
msg.msg); |
| 731 |
return true; |
| 732 |
case 330: |
| 733 |
/* WHOIS account */ |
| 734 |
chatter_printf(conn->chatter, conn, NULL, |
| 735 |
"$B*** |$0 Account:$/ %s %s", |
| 736 |
msg.msg, msg.arg[2]); |
| 737 |
return true; |
| 738 |
case 338: |
| 739 |
case 378: |
| 740 |
/* WHOIS host */ |
| 741 |
chatter_printf(conn->chatter, conn, NULL, |
| 742 |
"$B*** |$0 Host:$/ %s %s", |
| 743 |
msg.msg, msg.arg[2]); |
| 744 |
return true; |
| 745 |
case 328: |
| 746 |
/* channel URL, we probably can't do anything with it anyway */ |
| 747 |
return true; |
| 748 |
case 332: |
| 749 |
/* TOPIC */ |
| 750 |
channel = irc_find_channel(conn, msg.arg[1]); |
| 751 |
chatter_printf(channel ? channel->chatter : conn->chatter, conn, |
| 752 |
channel, |
| 753 |
"$B***$0 Topic for $B%s$0:$/ %s", |
| 754 |
msg.arg[1], msg.msg); |
| 755 |
if (channel) |
| 756 |
strlcpy(channel->topic, msg.msg, sizeof(channel->topic)); |
| 757 |
return true; |
| 758 |
case 333: |
| 759 |
/* TOPIC creator */ |
| 760 |
return true; |
| 761 |
case 352: |
| 762 |
/* WHO output */ |
| 763 |
goto unknown; |
| 764 |
case 315: |
| 765 |
/* end of WHO */ |
| 766 |
goto unknown; |
| 767 |
case 353: |
| 768 |
/* NAMES output */ |
| 769 |
channel = irc_find_channel(conn, msg.arg[2]); |
| 770 |
if (channel) |
| 771 |
irc_parse_names(channel, msg.msg); |
| 772 |
return true; |
| 773 |
case 366: |
| 774 |
/* end of NAMES output */ |
| 775 |
channel = irc_find_channel(conn, msg.arg[1]); |
| 776 |
if (channel) |
| 777 |
chatter_sync_nick_list(channel->chatter, channel, true); |
| 778 |
return true; |
| 779 |
case 372: |
| 780 |
case 375: |
| 781 |
/* MOTD */ |
| 782 |
goto print_msg; |
| 783 |
case 376: |
| 784 |
/* end of MOTD */ |
| 785 |
if (conn->channel_autojoin && conn->channel_autojoin[0] && |
| 786 |
!conn->did_autojoin) { |
| 787 |
irc_printf(conn, "JOIN %s\r\n", conn->channel_autojoin); |
| 788 |
conn->did_autojoin = true; |
| 789 |
} |
| 790 |
goto print_msg; |
| 791 |
case 396: |
| 792 |
/* Cloak */ |
| 793 |
chatter_printf(conn->chatter, conn, NULL, |
| 794 |
"$B***$0$/ %s %s", |
| 795 |
msg.arg[1], msg.msg); |
| 796 |
return true; |
| 797 |
case 433: { |
| 798 |
/* Nick in use, try appending a _ */ |
| 799 |
char *new_nick = xmalloc(strlen(conn->nick) + 2, "new nick"); |
| 800 |
size_t len; |
| 801 |
|
| 802 |
chatter_printf(conn->chatter, conn, NULL, |
| 803 |
"$B***$0$/ %s: %s", |
| 804 |
msg.arg[1], msg.msg); |
| 805 |
|
| 806 |
sprintf(new_nick, "%s_", conn->nick); |
| 807 |
xfree(&conn->nick); |
| 808 |
conn->nick = new_nick; |
| 809 |
chatter_update_titlebar(conn->chatter); |
| 810 |
|
| 811 |
len = snprintf(conn->line, sizeof(conn->line), |
| 812 |
"NICK %s\r\n", conn->nick); |
| 813 |
irc_send(conn, conn->line, len); |
| 814 |
return true; |
| 815 |
} |
| 816 |
default: |
| 817 |
goto unknown; |
| 818 |
} |
| 819 |
|
| 820 |
print_msg: |
| 821 |
chatter_printf(conn->chatter, conn, NULL, |
| 822 |
"$B***$0$/ %s", |
| 823 |
msg.msg); |
| 824 |
return true; |
| 825 |
|
| 826 |
unknown: |
| 827 |
chatter_printf(conn->chatter, conn, NULL, |
| 828 |
"$B[?]$0$/ code:%d cmd:%s source:%s arg0:%s arg1:%s arg2:%s arg3:%s " |
| 829 |
"arg4:%s msg:%s", |
| 830 |
msg.code, msg.cmd, msg.source, msg.arg[0], msg.arg[1], msg.arg[2], |
| 831 |
msg.arg[3], msg.arg[4], msg.msg); |
| 832 |
return true; |
| 833 |
} |
| 834 |
|
| 835 |
void |
| 836 |
irc_process_input(struct irc_connection *conn, struct irc_channel *channel, |
| 837 |
char *str) |
| 838 |
{ |
| 839 |
char *arg0, *arg1; |
| 840 |
size_t n; |
| 841 |
|
| 842 |
if (conn == NULL || conn->state < IRC_STATE_CONNECTED) |
| 843 |
goto not_connected; |
| 844 |
|
| 845 |
if (str[0] != '/') { |
| 846 |
if (channel == NULL) |
| 847 |
goto not_in_channel; |
| 848 |
irc_printf(conn, "PRIVMSG %s :%s\r\n", channel->name, str); |
| 849 |
chatter_printf(conn->chatter, conn, channel, |
| 850 |
"<$B%s$0>$/ %s", |
| 851 |
conn->nick, str); |
| 852 |
return; |
| 853 |
} |
| 854 |
|
| 855 |
/* skip / */ |
| 856 |
str++; |
| 857 |
|
| 858 |
arg0 = strsep(&str, " "); |
| 859 |
|
| 860 |
if (strcasecmp(arg0, "join") == 0) { |
| 861 |
if (conn == NULL) |
| 862 |
goto not_connected; |
| 863 |
if (str == NULL) |
| 864 |
goto not_enough_params; |
| 865 |
/* |
| 866 |
* If we're already in this channel, we won't get any response |
| 867 |
* from the server to switch channels. |
| 868 |
*/ |
| 869 |
channel = irc_find_channel(conn, str); |
| 870 |
if (channel) |
| 871 |
/* this won't actually create, it'll just switch for us */ |
| 872 |
irc_create_channel(conn, str); |
| 873 |
else |
| 874 |
irc_printf(conn, "JOIN %s\r\n", str); |
| 875 |
return; |
| 876 |
} |
| 877 |
if (strcasecmp(arg0, "me") == 0) { |
| 878 |
if (conn == NULL) |
| 879 |
goto not_connected; |
| 880 |
if (str == NULL) |
| 881 |
goto not_enough_params; |
| 882 |
if (channel == NULL) |
| 883 |
goto not_in_channel; |
| 884 |
chatter_printf(conn->chatter, conn, channel, |
| 885 |
"* %s$/ %s", |
| 886 |
conn->nick, str); |
| 887 |
irc_printf(conn, "PRIVMSG %s :\1ACTION %s\1\r\n", channel->name, |
| 888 |
str); |
| 889 |
return; |
| 890 |
} |
| 891 |
if (strcasecmp(arg0, "msg") == 0) { |
| 892 |
if (conn == NULL) |
| 893 |
goto not_connected; |
| 894 |
arg1 = strsep(&str, " "); |
| 895 |
if (arg1 == NULL || str == NULL) |
| 896 |
goto not_enough_params; |
| 897 |
chatter_printf(conn->chatter, conn, NULL, |
| 898 |
"$B[$0msg$B($0%s$B)]$0$/ %s", |
| 899 |
arg1, str); |
| 900 |
irc_printf(conn, "PRIVMSG %s :%s\r\n", arg1, str); |
| 901 |
return; |
| 902 |
} |
| 903 |
if (strcasecmp(arg0, "nick") == 0) { |
| 904 |
if (conn == NULL) |
| 905 |
goto not_connected; |
| 906 |
if (str == NULL) |
| 907 |
goto not_enough_params; |
| 908 |
irc_printf(conn, "NICK %s\r\n", str); |
| 909 |
return; |
| 910 |
} |
| 911 |
if (strcasecmp(arg0, "part") == 0) { |
| 912 |
if (conn == NULL) |
| 913 |
goto not_connected; |
| 914 |
if (str == NULL && channel) |
| 915 |
irc_printf(conn, "PART %s\r\n", channel->name); |
| 916 |
else if (str) |
| 917 |
irc_printf(conn, "PART %s\r\n", str); |
| 918 |
else |
| 919 |
goto not_in_channel; |
| 920 |
return; |
| 921 |
} |
| 922 |
if (strcasecmp(arg0, "quit") == 0) { |
| 923 |
if (conn == NULL) |
| 924 |
goto not_connected; |
| 925 |
irc_printf(conn, "QUIT :%s\r\n", str == NULL ? "Quitting" : str); |
| 926 |
return; |
| 927 |
} |
| 928 |
if (strcasecmp(arg0, "quote") == 0) { |
| 929 |
if (conn == NULL) |
| 930 |
goto not_connected; |
| 931 |
if (str == NULL) |
| 932 |
goto not_enough_params; |
| 933 |
irc_printf(conn, "%s\r\n", str); |
| 934 |
return; |
| 935 |
} |
| 936 |
if (strcasecmp(arg0, "whois") == 0) { |
| 937 |
if (conn == NULL) |
| 938 |
goto not_connected; |
| 939 |
if (str == NULL) |
| 940 |
goto not_enough_params; |
| 941 |
irc_printf(conn, "WHOIS %s\r\n", str); |
| 942 |
return; |
| 943 |
} |
| 944 |
chatter_printf(conn->chatter, conn, NULL, |
| 945 |
"unrecognized command \"$B%s$0\"", |
| 946 |
arg0); |
| 947 |
return; |
| 948 |
|
| 949 |
not_enough_params: |
| 950 |
chatter_printf(conn->chatter, conn, NULL, |
| 951 |
"$B*!*$0 Not enough parameters given"); |
| 952 |
return; |
| 953 |
not_connected: |
| 954 |
chatter_printf(conn->chatter, conn, NULL, |
| 955 |
"$B*!*$0 Not connected"); |
| 956 |
return; |
| 957 |
not_in_channel: |
| 958 |
chatter_printf(conn->chatter, conn, NULL, |
| 959 |
"$B*!*$0 Cannot send (not in a channel)"); |
| 960 |
return; |
| 961 |
} |
| 962 |
|
| 963 |
struct irc_channel * |
| 964 |
irc_create_channel(struct irc_connection *conn, char *channame) |
| 965 |
{ |
| 966 |
struct irc_channel *channel = NULL, *tchannel; |
| 967 |
short n; |
| 968 |
|
| 969 |
SLIST_FOREACH(channel, &conn->channels_list, list) { |
| 970 |
if (strcasecmp(channel->name, channame) == 0) { |
| 971 |
/* TODO: chatter_switch_to_channel(channel) */ |
| 972 |
#if 0 |
| 973 |
channel->chatter->cur_conn = channel->connection; |
| 974 |
channel->chatter->cur_channel = channel; |
| 975 |
chatter_sync_nick_list(channel->chatter, channel, false); |
| 976 |
chatter_update_titlebar(channel->chatter); |
| 977 |
#endif |
| 978 |
return channel; |
| 979 |
} |
| 980 |
} |
| 981 |
|
| 982 |
channel = xmalloczero(sizeof(struct irc_channel), "irc_channel"); |
| 983 |
SLIST_APPEND(&conn->channels_list, channel, irc_channel, list); |
| 984 |
channel->connection = conn; |
| 985 |
strlcpy(channel->name, channame, sizeof(channel->name)); |
| 986 |
channel->chatter = conn->chatter; |
| 987 |
chatter_add_tab(channel->chatter, NULL, conn, channel); |
| 988 |
|
| 989 |
return channel; |
| 990 |
} |
| 991 |
|
| 992 |
void |
| 993 |
irc_dealloc_channel(struct irc_channel *channel) |
| 994 |
{ |
| 995 |
struct irc_connection *conn = channel->connection; |
| 996 |
struct irc_channel *tchannel; |
| 997 |
struct chatter *chatter = channel->chatter; |
| 998 |
|
| 999 |
chatter_remove_channel(chatter, channel); |
| 1000 |
|
| 1001 |
if (channel->nicks) |
| 1002 |
xfree(&channel->nicks); |
| 1003 |
|
| 1004 |
SLIST_REMOVE(&conn->channels_list, channel, irc_channel, list); |
| 1005 |
|
| 1006 |
chatter_update_titlebar(chatter); |
| 1007 |
} |
| 1008 |
|
| 1009 |
void |
| 1010 |
irc_parse_names(struct irc_channel *channel, char *line) |
| 1011 |
{ |
| 1012 |
size_t n; |
| 1013 |
char *nick; |
| 1014 |
bool last = false; |
| 1015 |
short flags; |
| 1016 |
|
| 1017 |
// LDoDraw(false, channel->chatter->nick_list); |
| 1018 |
|
| 1019 |
for (;;) { |
| 1020 |
nick = strsep(&line, " "); |
| 1021 |
|
| 1022 |
if (nick[0] == '@') { |
| 1023 |
flags = IRC_NICK_FLAG_OP; |
| 1024 |
nick++; |
| 1025 |
} else if (nick[0] == '+') { |
| 1026 |
flags = IRC_NICK_FLAG_VOICE; |
| 1027 |
nick++; |
| 1028 |
} else if (nick[0] == '\0') { |
| 1029 |
/* some servers send a trailing space */ |
| 1030 |
break; |
| 1031 |
} else |
| 1032 |
flags = 0; |
| 1033 |
|
| 1034 |
irc_add_nick_to_channel(channel, nick, flags); |
| 1035 |
|
| 1036 |
if (line == NULL) |
| 1037 |
break; |
| 1038 |
} |
| 1039 |
|
| 1040 |
// LDoDraw(true, channel->chatter->nick_list); |
| 1041 |
// InvalRect(&(*(channel->chatter->nick_list))->rView); |
| 1042 |
} |
| 1043 |
|
| 1044 |
void |
| 1045 |
irc_add_nick_to_channel(struct irc_channel *channel, char *nick, |
| 1046 |
short flags) |
| 1047 |
{ |
| 1048 |
struct irc_channel_nick *anick, *cnick, *pnick; |
| 1049 |
short aidx, cidx, ret; |
| 1050 |
|
| 1051 |
if (channel->nnicks >= channel->nicks_size) { |
| 1052 |
/* allocate a chunk at a time so we don't do this every iteration */ |
| 1053 |
channel->nicks_size += 5; |
| 1054 |
channel->nicks = xreallocarray(channel->nicks, |
| 1055 |
sizeof(struct irc_channel_nick), |
| 1056 |
channel->nicks_size); |
| 1057 |
memset(&channel->nicks[channel->nnicks], 0, |
| 1058 |
sizeof(struct irc_channel_nick) * |
| 1059 |
(channel->nicks_size - channel->nnicks)); |
| 1060 |
aidx = channel->nnicks; |
| 1061 |
} else { |
| 1062 |
/* find an open slot */ |
| 1063 |
for (aidx = 0; aidx < channel->nicks_size; aidx++) { |
| 1064 |
if (channel->nicks[aidx].nick[0] == '\0') |
| 1065 |
break; |
| 1066 |
} |
| 1067 |
|
| 1068 |
if (aidx >= channel->nicks_size) |
| 1069 |
panic("irc_add_nick_to_channel overflow"); |
| 1070 |
} |
| 1071 |
|
| 1072 |
channel->nnicks++; |
| 1073 |
anick = &channel->nicks[aidx]; |
| 1074 |
strlcpy(anick->nick, nick, sizeof(anick->nick)); |
| 1075 |
anick->flags = flags; |
| 1076 |
|
| 1077 |
if (channel->nnicks == 1) { |
| 1078 |
anick->next_nick = -1; |
| 1079 |
channel->first_nick = 0; |
| 1080 |
cidx = 0; |
| 1081 |
} else { |
| 1082 |
/* sort it in the right place by flags descending, then by nick */ |
| 1083 |
cnick = &channel->nicks[channel->first_nick]; |
| 1084 |
pnick = NULL; |
| 1085 |
cidx = 0; |
| 1086 |
while (cnick) { |
| 1087 |
if (cnick->nick[0] == '\0') |
| 1088 |
ret = 1; |
| 1089 |
if (cnick->flags == anick->flags) |
| 1090 |
ret = strnatcasecmp(anick->nick, cnick->nick); |
| 1091 |
else if (anick->flags > cnick->flags) |
| 1092 |
ret = -1; |
| 1093 |
else |
| 1094 |
ret = 1; |
| 1095 |
|
| 1096 |
if (ret <= 0) { |
| 1097 |
/* new nick goes before this one */ |
| 1098 |
if (pnick) { |
| 1099 |
anick->next_nick = pnick->next_nick; |
| 1100 |
pnick->next_nick = aidx; |
| 1101 |
} else { |
| 1102 |
anick->next_nick = channel->first_nick; |
| 1103 |
channel->first_nick = aidx; |
| 1104 |
} |
| 1105 |
break; |
| 1106 |
} |
| 1107 |
|
| 1108 |
cidx++; |
| 1109 |
|
| 1110 |
if (cnick->next_nick == -1) { |
| 1111 |
/* end of the line */ |
| 1112 |
cnick->next_nick = aidx; |
| 1113 |
anick->next_nick = -1; |
| 1114 |
break; |
| 1115 |
} |
| 1116 |
|
| 1117 |
pnick = cnick; |
| 1118 |
cnick = &channel->nicks[cnick->next_nick]; |
| 1119 |
} |
| 1120 |
} |
| 1121 |
|
| 1122 |
chatter_insert_to_nick_list(channel->chatter, channel, anick, cidx); |
| 1123 |
} |
| 1124 |
|
| 1125 |
void |
| 1126 |
irc_remove_nick_from_channel(struct irc_channel *channel, char *nick) |
| 1127 |
{ |
| 1128 |
struct irc_channel_nick *cnick, *pnick; |
| 1129 |
short cidx; |
| 1130 |
|
| 1131 |
if (channel->first_nick == -1) |
| 1132 |
return; |
| 1133 |
|
| 1134 |
pnick = NULL; |
| 1135 |
cnick = &channel->nicks[channel->first_nick]; |
| 1136 |
cidx = 0; |
| 1137 |
while (cnick) { |
| 1138 |
if (strcmp(cnick->nick, nick) != 0) { |
| 1139 |
pnick = cnick; |
| 1140 |
cidx++; |
| 1141 |
if (cnick->next_nick == -1) |
| 1142 |
return; |
| 1143 |
cnick = &channel->nicks[cnick->next_nick]; |
| 1144 |
continue; |
| 1145 |
} |
| 1146 |
|
| 1147 |
/* connect the nick that pointed to this one and the one we point to */ |
| 1148 |
if (pnick) |
| 1149 |
pnick->next_nick = cnick->next_nick; |
| 1150 |
else |
| 1151 |
channel->first_nick = cnick->next_nick; |
| 1152 |
|
| 1153 |
channel->nnicks--; |
| 1154 |
cnick->nick[0] = '\0'; |
| 1155 |
// LDelRow(1, cidx, channel->chatter->nick_list); |
| 1156 |
return; |
| 1157 |
} |
| 1158 |
} |
| 1159 |
|
| 1160 |
bool |
| 1161 |
irc_nick_is_in_channel(struct irc_channel *channel, char *nick) |
| 1162 |
{ |
| 1163 |
struct irc_channel_nick *cnick, *pnick; |
| 1164 |
|
| 1165 |
if (channel->first_nick == -1) |
| 1166 |
return; |
| 1167 |
|
| 1168 |
pnick = NULL; |
| 1169 |
cnick = &channel->nicks[channel->first_nick]; |
| 1170 |
while (cnick) { |
| 1171 |
if (strcmp(cnick->nick, nick) == 0) |
| 1172 |
return true; |
| 1173 |
|
| 1174 |
pnick = cnick; |
| 1175 |
if (cnick->next_nick == -1) |
| 1176 |
break; |
| 1177 |
cnick = &channel->nicks[cnick->next_nick]; |
| 1178 |
} |
| 1179 |
|
| 1180 |
return false; |
| 1181 |
} |
| 1182 |
|
| 1183 |
void |
| 1184 |
irc_change_user_nick(struct irc_channel *channel, struct irc_user *user, |
| 1185 |
char *nick) |
| 1186 |
{ |
| 1187 |
struct irc_channel_nick *cnick; |
| 1188 |
short n, flags; |
| 1189 |
|
| 1190 |
if (channel && channel->first_nick > -1) { |
| 1191 |
/* preserve flags */ |
| 1192 |
cnick = &channel->nicks[channel->first_nick]; |
| 1193 |
while (cnick) { |
| 1194 |
if (strcmp(cnick->nick, user->nick) == 0) { |
| 1195 |
flags = cnick->flags; |
| 1196 |
break; |
| 1197 |
} |
| 1198 |
if (cnick->next_nick == -1) |
| 1199 |
break; |
| 1200 |
cnick = &channel->nicks[cnick->next_nick]; |
| 1201 |
} |
| 1202 |
|
| 1203 |
irc_remove_nick_from_channel(channel, user->nick); |
| 1204 |
irc_add_nick_to_channel(channel, nick, flags); |
| 1205 |
} |
| 1206 |
|
| 1207 |
if (strcmp(channel->connection->nick, user->nick) == 0) { |
| 1208 |
xfree(&channel->connection->nick); |
| 1209 |
channel->connection->nick = xstrdup(nick, "nick"); |
| 1210 |
chatter_update_titlebar(channel->chatter); |
| 1211 |
} |
| 1212 |
} |
| 1213 |
|
| 1214 |
void |
| 1215 |
irc_parse_channel_mode_change(struct irc_channel *channel, char *mode, |
| 1216 |
char *args) |
| 1217 |
{ |
| 1218 |
size_t len; |
| 1219 |
struct irc_channel_nick *cnick; |
| 1220 |
char *user; |
| 1221 |
short n, j, flags; |
| 1222 |
bool add = false; |
| 1223 |
|
| 1224 |
len = strlen(mode); |
| 1225 |
|
| 1226 |
/* mode:"+mvo-vo" args:"nick1 nick2 nick3 nick4" */ |
| 1227 |
for (n = 0; n < len; n++) { |
| 1228 |
switch (mode[n]) { |
| 1229 |
case '+': |
| 1230 |
add = true; |
| 1231 |
break; |
| 1232 |
case '-': |
| 1233 |
add = false; |
| 1234 |
break; |
| 1235 |
case 'v': |
| 1236 |
case 'o': |
| 1237 |
user = strsep(&args, " "); |
| 1238 |
if (user == NULL) |
| 1239 |
user = args; |
| 1240 |
|
| 1241 |
cnick = &channel->nicks[channel->first_nick]; |
| 1242 |
while (cnick) { |
| 1243 |
if (strcmp(cnick->nick, user) != 0) { |
| 1244 |
if (cnick->next_nick == -1) |
| 1245 |
break; |
| 1246 |
cnick = &channel->nicks[cnick->next_nick]; |
| 1247 |
continue; |
| 1248 |
} |
| 1249 |
|
| 1250 |
flags = cnick->flags; |
| 1251 |
if (mode[n] == 'o') { |
| 1252 |
if (add) |
| 1253 |
flags |= IRC_NICK_FLAG_OP; |
| 1254 |
else |
| 1255 |
flags &= ~IRC_NICK_FLAG_OP; |
| 1256 |
} else if (mode[n] == 'v') { |
| 1257 |
if (add) |
| 1258 |
flags |= IRC_NICK_FLAG_VOICE; |
| 1259 |
else |
| 1260 |
flags &= ~IRC_NICK_FLAG_VOICE; |
| 1261 |
} |
| 1262 |
|
| 1263 |
irc_remove_nick_from_channel(channel, cnick->nick); |
| 1264 |
/* cnick is probably invalid now */ |
| 1265 |
irc_add_nick_to_channel(channel, user, flags); |
| 1266 |
break; |
| 1267 |
} |
| 1268 |
|
| 1269 |
break; |
| 1270 |
default: |
| 1271 |
/* some other channel mode */ |
| 1272 |
break; |
| 1273 |
} |
| 1274 |
} |
| 1275 |
} |