1 /* proto-common.c - common IRC protocol parsing/sending support
2 * Copyright 2000-2006 srvx Development Team
4 * This file is part of srvx.
6 * srvx is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with srvx; if not, write to the Free Software Foundation,
18 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
29 #ifdef HAVE_SYS_SOCKET_H
30 #include <sys/socket.h>
32 #ifdef HAVE_NETINET_IN_H
33 #include <netinet/in.h>
35 #ifdef HAVE_ARPA_INET_H
36 #include <arpa/inet.h>
39 unsigned int lines_processed;
41 struct io_fd *socket_io_fd;
43 const char *hidden_host_suffix;
45 static char replay_line[MAXLEN+80];
47 static int ping_timeout;
48 static int replay_connected;
49 static unsigned int nicklen = NICKLEN; /* how long do we think servers allow nicks to be? */
50 static struct userList dead_users;
52 extern struct cManagerNode cManager;
53 extern unsigned long burst_length;
54 extern struct cManagerNode cManager;
55 extern struct policer_params *oper_policer_params, *luser_policer_params;
56 extern server_link_func_t *slf_list;
57 extern unsigned int slf_size, slf_used;
58 extern new_user_func_t *nuf_list;
59 extern unsigned int nuf_size, nuf_used;
60 extern del_user_func_t *duf_list;
61 extern unsigned int duf_size, duf_used;
62 extern unsigned long boot_time;
64 void received_ping(void);
66 static int replay_read(void);
67 static dict_t irc_func_dict;
69 typedef void (*foreach_chanfunc) (struct chanNode *chan, void *data);
70 typedef void (*foreach_nonchan) (char *name, void *data);
71 typedef void (*foreach_userfunc) (struct userNode *user, void *data);
72 typedef void (*foreach_nonuser) (char *name, void *data);
73 static void parse_foreach(char *target_list, foreach_chanfunc cf, foreach_nonchan nc, foreach_userfunc uf, foreach_nonuser nu, void *data);
76 uplink_readable(struct io_fd *fd) {
77 static char buffer[MAXLEN];
81 pos = ioset_line_read(fd, buffer, sizeof(buffer));
86 if ((eol = strpbrk(buffer, "\r\n")))
88 log_replay(MAIN_LOG, false, buffer);
89 if (cManager.uplink->state != DISCONNECTED)
90 parse_line(buffer, 0);
95 socket_destroyed(struct io_fd *fd)
97 if (fd && fd->state != IO_CONNECTED)
98 log_module(MAIN_LOG, LOG_ERROR, "Connection to server lost.");
100 cManager.uplink->state = DISCONNECTED;
102 DelServer(self->uplink, 0, NULL);
105 void replay_event_loop(void)
107 while (!quit_services) {
108 if (!replay_connected) {
109 /* this time fudging is to get some of the logging right */
110 self->link_time = self->boot = now;
111 cManager.uplink->state = AUTHENTICATING;
112 irc_introduce(cManager.uplink->password);
113 replay_connected = 1;
114 } else if (!replay_read()) {
115 log_module(MAIN_LOG, LOG_ERROR, "Connection to server lost.");
123 create_socket_client(struct uplinkNode *target)
125 int port = target->port;
126 const char *addr = target->host;
129 return feof(replay_file) ? 0 : 1;
132 /* Leave the existing socket open, say we failed. */
133 log_module(MAIN_LOG, LOG_ERROR, "Refusing to create second connection to %s:%d.", addr, port);
137 log_module(MAIN_LOG, LOG_INFO, "Connecting to %s:%i...", addr, port);
139 socket_io_fd = ioset_connect(cManager.uplink->bind_addr, cManager.uplink->bind_addr_len, addr, port, 1, 0, NULL);
141 log_module(MAIN_LOG, LOG_ERROR, "Connection to uplink failed: %s (%d)", strerror(errno), errno);
142 target->state = DISCONNECTED;
146 socket_io_fd->readable_cb = uplink_readable;
147 socket_io_fd->destroy_cb = socket_destroyed;
148 socket_io_fd->line_reads = 1;
149 log_module(MAIN_LOG, LOG_INFO, "Connection to server established.");
150 cManager.uplink = target;
151 target->state = AUTHENTICATING;
157 replay_read_line(void)
160 unsigned long new_time;
162 if (replay_line[0]) return;
164 if (!fgets(replay_line, sizeof(replay_line), replay_file)) {
165 if (feof(replay_file)) {
167 memset(replay_line, 0, sizeof(replay_line));
171 if ((replay_line[0] != '[')
172 || (replay_line[3] != ':')
173 || (replay_line[6] != ':')
174 || (replay_line[9] != ' ')
175 || (replay_line[12] != '/')
176 || (replay_line[15] != '/')
177 || (replay_line[20] != ']')
178 || (replay_line[21] != ' ')) {
179 log_module(MAIN_LOG, LOG_ERROR, "Unrecognized timestamp in replay file: %s", replay_line);
182 timestamp.tm_hour = strtoul(replay_line+1, NULL, 10);
183 timestamp.tm_min = strtoul(replay_line+4, NULL, 10);
184 timestamp.tm_sec = strtoul(replay_line+7, NULL, 10);
185 timestamp.tm_mon = strtoul(replay_line+10, NULL, 10) - 1;
186 timestamp.tm_mday = strtoul(replay_line+13, NULL, 10);
187 timestamp.tm_year = strtoul(replay_line+16, NULL, 10) - 1900;
188 timestamp.tm_isdst = 0;
189 new_time = mktime(×tamp);
190 if (new_time == (unsigned long)-1) {
191 log_module(MAIN_LOG, LOG_ERROR, "Unable to parse time struct tm_sec=%d tm_min=%d tm_hour=%d tm_mday=%d tm_mon=%d tm_year=%d", timestamp.tm_sec, timestamp.tm_min, timestamp.tm_hour, timestamp.tm_mday, timestamp.tm_mon, timestamp.tm_year);
196 if (strncmp(replay_line+22, "(info) ", 7))
205 char read_line[MAXLEN];
208 /* if it's a sent line, break out to handle it */
209 if (!strncmp(replay_line+29, " ", 3))
211 if (!strncmp(replay_line+29, "W: ", 3)) {
212 log_module(MAIN_LOG, LOG_ERROR, "Expected response from services: %s", replay_line+32);
218 log_replay(MAIN_LOG, false, replay_line+32);
219 safestrncpy(read_line, replay_line+32, sizeof(read_line));
220 len = strlen(read_line);
221 if (read_line[len-1] == '\n')
222 read_line[--len] = 0;
224 parse_line(read_line, 0);
230 replay_write(char *text)
233 if (strncmp(replay_line+29, "W: ", 3)) {
234 log_module(MAIN_LOG, LOG_ERROR, "Unexpected output during replay: %s", text);
237 if (strcmp(replay_line+32, text)) {
238 log_module(MAIN_LOG, LOG_ERROR, "Incorrect output during replay:\nReceived: %sExpected: %s", text, replay_line+32);
240 log_replay(MAIN_LOG, true, text);
246 void putsock(const char *text, ...) PRINTF_LIKE(1, 2);
249 putsock(const char *text, ...)
255 if (!cManager.uplink || cManager.uplink->state == DISCONNECTED) return;
257 va_start(arg_list, text);
258 pos = vsnprintf(buffer, MAXLEN - 2, text, arg_list);
260 if (pos < 0 || pos > (MAXLEN - 2)) pos = MAXLEN - 2;
263 log_replay(MAIN_LOG, true, buffer);
264 buffer[pos++] = '\n';
266 ioset_write(socket_io_fd, buffer, pos);
268 replay_write(buffer);
276 replay_connected = 0;
277 socket_destroyed(socket_io_fd);
279 ioset_close(socket_io_fd, 3);
284 #define CMD_FUNC(NAME) int NAME(UNUSED_ARG(const char *origin), UNUSED_ARG(unsigned int argc), UNUSED_ARG(char **argv))
285 typedef CMD_FUNC(cmd_func_t);
287 static void timed_ping_timeout(void *data);
289 /* Ping state is kept in the timeq (only one of these two can be in
290 * the queue at any given time). */
292 timed_send_ping(UNUSED_ARG(void *data))
294 irc_ping(self->name);
295 timeq_add(now + ping_timeout, timed_ping_timeout, 0);
299 timed_ping_timeout(UNUSED_ARG(void *data))
301 /* Uplink "health" tracking could be accomplished by counting the
302 number of ping timeouts that happen for each uplink. After the
303 timeouts per time period exceeds some amount, the uplink could
304 be marked as unavalable.*/
305 irc_squit(self, "Ping timeout.", NULL);
308 static CMD_FUNC(cmd_pass)
310 const char *true_pass;
314 true_pass = cManager.uplink->their_password;
315 if (true_pass && strcmp(true_pass, argv[1])) {
316 /* It might be good to mark the uplink as unavailable when
317 this happens, though there should be a way of resetting
319 irc_squit(self, "Incorrect password received.", NULL);
323 cManager.uplink->state = BURSTING;
327 static CMD_FUNC(cmd_dummy)
329 /* we don't care about these messages */
333 static CMD_FUNC(cmd_error)
335 if (argv[1]) log_module(MAIN_LOG, LOG_ERROR, "Error from ircd: %s", argv[1]);
336 log_module(MAIN_LOG, LOG_ERROR, "Error received from uplink, squitting.");
338 if (cManager.uplink->state != CONNECTED) {
339 /* Error messages while connected should be fine. */
340 cManager.uplink->flags |= UPLINK_UNAVAILABLE;
341 log_module(MAIN_LOG, LOG_ERROR, "Disabling uplink.");
348 static CMD_FUNC(cmd_stats)
354 if (!(un = GetUserH(origin)))
356 switch (argv[1][0]) {
358 unsigned long uptime;
359 uptime = now - boot_time;
360 irc_numeric(un, RPL_STATSUPTIME, ":Server Up %d days %d:%02d:%02d",
361 uptime/(24*60*60), (uptime/(60*60))%24, (uptime/60)%60, uptime%60);
362 irc_numeric(un, RPL_MAXCONNECTIONS, ":Highest connection count: %d (%d clients)",
363 self->max_clients+1, self->max_clients);
366 default: /* unrecognized/unhandled stats output */ break;
368 irc_numeric(un, 219, "%s :End of /STATS report", argv[1]);
372 static CMD_FUNC(cmd_version)
374 struct userNode *user;
375 if (!(user = GetUserH(origin))) {
376 log_module(MAIN_LOG, LOG_ERROR, "Could not find VERSION origin user %s", origin);
379 irc_numeric(user, 351, "%s.%s %s :%s", PACKAGE_TARNAME, PACKAGE_VERSION, self->name, CODENAME);
383 static CMD_FUNC(cmd_admin)
385 struct userNode *user;
386 struct string_list *slist;
388 if (!(user = GetUserH(origin))) {
389 log_module(MAIN_LOG, LOG_ERROR, "Could not find ADMIN origin user %s", origin);
392 if ((slist = conf_get_data("server/admin", RECDB_STRING_LIST)) && slist->used) {
395 irc_numeric(user, 256, ":Administrative info about %s", self->name);
396 for (i = 0; i < slist->used && i < 3; i++)
397 irc_numeric(user, 257 + i, ":%s", slist->list[i]);
399 irc_numeric(user, 423, ":No administrative info available");
405 recalc_bursts(struct server *eob_server)
408 eob_server->burst = eob_server->self_burst;
409 if (eob_server->uplink != self)
410 eob_server->burst = eob_server->burst || eob_server->uplink->burst;
411 for (nn=0; nn < eob_server->children.used; nn++)
412 recalc_bursts(eob_server->children.list[nn]);
415 static struct chanmsg_func {
417 struct userNode *service;
418 } chanmsg_funcs[256]; /* indexed by trigger character */
420 static struct allchanmsg_func {
422 struct userNode *service;
423 } allchanmsg_funcs[ALLCHANMSG_FUNCS_MAX];
425 struct privmsg_desc {
426 struct userNode *user;
428 unsigned int is_notice : 1;
429 unsigned int is_qualified : 1;
433 privmsg_chan_helper(struct chanNode *cn, void *data)
435 extern unsigned short offchannel_allowed[256];
436 struct privmsg_desc *pd = data;
438 struct chanmsg_func *cf;
441 /* Don't complain if it can't find the modeNode because the channel might
443 if ((mn = GetUserMode(cn, pd->user)))
444 mn->idle_since = now;
446 /* Never send a NOTICE to a channel to one of the services */
447 cf = &chanmsg_funcs[(unsigned char)pd->text[0]];
448 if (cf->func && !pd->is_notice
449 && (offchannel_allowed[(unsigned char)pd->text[0]]
450 || (GetUserMode(cn, cf->service) && !IsDeaf(cf->service))))
451 cf->func(pd->user, cn, pd->text+1, cf->service, pd->is_notice);
453 spamserv_channel_message(cn, pd->user, pd->text);
455 /* This catches *all* text sent to the channel that the services server sees */
456 for (x = 0; x < ALLCHANMSG_FUNCS_MAX; x++) {
457 cf = (struct chanmsg_func *)&allchanmsg_funcs[x];
459 break; /* end of list */
461 cf->func(pd->user, cn, pd->text, cf->service, pd->is_notice);
466 privmsg_invalid(char *name, void *data)
468 struct privmsg_desc *pd = data;
472 irc_numeric(pd->user, ERR_NOSUCHNICK, "%s@%s :No such nick", name, self->name);
476 struct userNode *user;
481 part_helper(struct chanNode *cn, void *data)
483 struct part_desc *desc = data;
484 DelChannelUser(desc->user, cn, desc->text, false);
487 static CMD_FUNC(cmd_part)
489 struct part_desc desc;
493 desc.user = GetUserH(origin);
496 desc.text = (argc > 2) ? argv[argc - 1] : NULL;
497 parse_foreach(argv[1], part_helper, NULL, NULL, NULL, &desc);
502 reg_chanmsg_func(unsigned char prefix, struct userNode *service, chanmsg_func_t handler)
504 if (chanmsg_funcs[prefix].func)
505 log_module(MAIN_LOG, LOG_WARNING, "Re-registering new chanmsg handler for character `%c'.", prefix);
506 chanmsg_funcs[prefix].func = handler;
507 chanmsg_funcs[prefix].service = service;
511 reg_allchanmsg_func(struct userNode *service, chanmsg_func_t handler)
514 for (x = 0; x < ALLCHANMSG_FUNCS_MAX; x++) {
515 if (allchanmsg_funcs[x].func)
517 allchanmsg_funcs[x].func = handler;
518 allchanmsg_funcs[x].service = service;
524 get_chanmsg_bot(unsigned char prefix)
526 return chanmsg_funcs[prefix].service;
529 static mode_change_func_t *mcf_list;
530 static unsigned int mcf_size = 0, mcf_used = 0;
533 reg_mode_change_func(mode_change_func_t handler)
535 if (mcf_used == mcf_size) {
538 mcf_list = realloc(mcf_list, mcf_size*sizeof(mode_change_func_t));
541 mcf_list = malloc(mcf_size*sizeof(mode_change_func_t));
544 mcf_list[mcf_used++] = handler;
547 static oper_func_t *of_list;
548 static unsigned int of_size = 0, of_used = 0;
551 reg_oper_func(oper_func_t handler)
553 if (of_used == of_size) {
556 of_list = realloc(of_list, of_size*sizeof(oper_func_t));
559 of_list = malloc(of_size*sizeof(oper_func_t));
562 of_list[of_used++] = handler;
566 call_oper_funcs(struct userNode *user)
571 for (n=0; (n<of_used) && !user->dead; n++)
577 struct mod_chanmode *
578 mod_chanmode_alloc(unsigned int argc)
580 struct mod_chanmode *res;
582 res = calloc(1, sizeof(*res) + (argc-1)*sizeof(res->args[0]));
584 res = calloc(1, sizeof(*res));
587 res->alloc_argc = argc;
594 struct mod_chanmode *
595 mod_chanmode_dup(struct mod_chanmode *orig, unsigned int extra)
597 struct mod_chanmode *res;
598 res = mod_chanmode_alloc(orig->argc + extra);
600 res->modes_set = orig->modes_set;
601 res->modes_clear = orig->modes_clear;
602 res->new_limit = orig->new_limit;
603 res->new_access = orig->new_access;
604 memcpy(res->new_altchan, orig->new_altchan, sizeof(res->new_altchan));
605 memcpy(res->new_key, orig->new_key, sizeof(res->new_key));
606 memcpy(res->new_upass, orig->new_upass, sizeof(res->new_upass));
607 memcpy(res->new_apass, orig->new_apass, sizeof(res->new_apass));
608 res->argc = orig->argc;
609 memcpy(res->args, orig->args, orig->argc*sizeof(orig->args[0]));
615 mod_chanmode_apply(struct userNode *who, struct chanNode *channel, struct mod_chanmode *change)
620 assert(change->argc <= change->alloc_argc);
621 channel->modes = (channel->modes & ~change->modes_clear) | change->modes_set;
622 if (change->modes_set & MODE_LIMIT)
623 channel->limit = change->new_limit;
624 if (change->modes_set & MODE_ACCESS)
625 channel->access = change->new_access;
626 if (change->modes_set & MODE_KEY)
627 strcpy(channel->key, change->new_key);
628 if (change->modes_set & MODE_ALTCHAN)
629 strcpy(channel->altchan, change->new_altchan);
630 if (change->modes_set & MODE_UPASS)
631 strcpy(channel->upass, change->new_upass);
632 if (change->modes_set & MODE_APASS)
633 strcpy(channel->apass, change->new_apass);
634 for (ii = 0; ii < change->argc; ++ii) {
635 switch (change->args[ii].mode) {
637 /* If any existing ban is a subset of the new ban,
638 * silently remove it. The new ban is not allowed
639 * to be more specific than an existing ban.
641 for (jj=0; jj<channel->banlist.used; ++jj) {
642 bn = channel->banlist.list[jj];
643 if (match_ircglobs(change->args[ii].u.hostmask, bn->ban)) {
644 banList_remove(&channel->banlist, bn);
649 bn = calloc(1, sizeof(*bn));
650 safestrncpy(bn->ban, change->args[ii].u.hostmask, sizeof(bn->ban));
652 safestrncpy(bn->who, who->nick, sizeof(bn->who));
654 safestrncpy(bn->who, "<unknown>", sizeof(bn->who));
656 banList_append(&channel->banlist, bn);
658 case MODE_REMOVE|MODE_BAN:
659 for (jj=0; jj<channel->banlist.used; ++jj) {
660 bn = channel->banlist.list[jj];
661 if (strcmp(bn->ban, change->args[ii].u.hostmask))
664 banList_remove(&channel->banlist, bn);
670 case MODE_VOICE|MODE_CHANOP:
671 case MODE_REMOVE|MODE_CHANOP:
672 case MODE_REMOVE|MODE_VOICE:
673 case MODE_REMOVE|MODE_VOICE|MODE_CHANOP:
674 if (change->args[ii].mode & MODE_REMOVE)
675 change->args[ii].u.member->modes &= ~change->args[ii].mode;
677 change->args[ii].u.member->modes |= change->args[ii].mode;
680 assert(0 && "Invalid mode argument");
687 mod_chanmode_free(struct mod_chanmode *change)
693 mod_chanmode(struct userNode *who, struct chanNode *channel, char **modes, unsigned int argc, unsigned int flags)
695 struct modeNode *member;
696 struct mod_chanmode *change;
700 if (!modes || !modes[0])
702 if (who && (member = GetUserMode(channel, who)))
703 base_oplevel = member->oplevel;
705 base_oplevel = MAXOPLEVEL;
706 if (!(change = mod_chanmode_parse(channel, modes, argc, flags, base_oplevel)))
708 if (flags & MC_ANNOUNCE)
709 mod_chanmode_announce(who, channel, change);
711 mod_chanmode_apply(who, channel, change);
712 if (flags & MC_NOTIFY)
713 for (ii = 0; ii < mcf_used; ++ii)
714 mcf_list[ii](channel, who, change);
715 mod_chanmode_free(change);
720 irc_make_chanmode(struct chanNode *chan, char *out)
722 struct mod_chanmode change;
723 mod_chanmode_init(&change);
724 change.modes_set = chan->modes;
725 change.new_limit = chan->limit;
726 change.new_access = chan->access;
727 safestrncpy(change.new_altchan, chan->altchan, sizeof(change.new_altchan));
728 safestrncpy(change.new_key, chan->key, sizeof(change.new_key));
729 safestrncpy(change.new_upass, chan->upass, sizeof(change.new_upass));
730 safestrncpy(change.new_apass, chan->apass, sizeof(change.new_apass));
731 return strlen(mod_chanmode_format(&change, out));
735 generate_hostmask(struct userNode *user, int options)
738 char *nickname, *ident, *hostname, *mask;
741 /* figure out string parts */
742 if (options & GENMASK_OMITNICK)
744 else if (options & GENMASK_USENICK)
745 nickname = user->nick;
748 if (options & GENMASK_STRICT_IDENT)
750 else if (options & GENMASK_ANY_IDENT)
752 else if (IsFakeIdent(user) && IsHiddenHost(user) && !(options & GENMASK_NO_HIDING))
753 ident = user->fakeident;
755 ident = alloca(strlen(user->ident)+2);
757 strcpy(ident+1, user->ident + ((*user->ident == '~')?1:0));
759 hostname = user->hostname;
760 if (IsFakeHost(user) && IsHiddenHost(user) && !(options & GENMASK_NO_HIDING)) {
761 if(user->fakehost && user->fakehost[0] == "$") {
762 hostname = alloca(strlen(user->handle_info->handle) + strlen(user->fakehost));
763 sprintf(hostname, "%s%s", user->handle_info->handle, user->fakehost+1);
765 hostname = user->fakehost;
767 } else if (IsHiddenHost(user) && user->handle_info && hidden_host_suffix && !(options & GENMASK_NO_HIDING)) {
768 hostname = alloca(strlen(user->handle_info->handle) + strlen(hidden_host_suffix) + 2);
769 sprintf(hostname, "%s.%s", user->handle_info->handle, hidden_host_suffix);
770 } else if (options & GENMASK_STRICT_HOST) {
771 if (options & GENMASK_BYIP)
772 hostname = (char*)irc_ntoa(&user->ip);
773 } else if ((options & GENMASK_BYIP) || irc_pton(&ip, NULL, hostname)) {
774 /* Should generate an IP-based hostmask. */
775 hostname = alloca(IRC_NTOP_MAX_SIZE);
776 hostname[IRC_NTOP_MAX_SIZE-1] = '\0';
777 if (irc_in_addr_is_ipv4(user->ip)) {
778 /* By popular acclaim, a /16 hostmask is used. */
779 sprintf(hostname, "%d.%d.*", user->ip.in6_8[12], user->ip.in6_8[13]);
780 } else if (irc_in_addr_is_ipv6(user->ip)) {
781 /* Who knows what the default mask should be? Use a /48 to start with. */
782 sprintf(hostname, "%x:%x:%x:*", ntohs(user->ip.in6[0]), ntohs(user->ip.in6[1]), ntohs(user->ip.in6[2]));
784 /* Unknown type; just copy IP directly. */
785 irc_ntop(hostname, IRC_NTOP_MAX_SIZE, &user->ip);
789 /* This heuristic could be made smarter. Is it worth the effort? */
790 for (ii=cnt=0; hostname[ii]; ii++)
791 if (hostname[ii] == '.')
793 if (cnt == 0 || cnt == 1) {
794 /* only a one- or two-level domain name; leave hostname */
795 } else if (cnt == 2) {
796 for (ii=0; user->hostname[ii] != '.'; ii++) ;
797 /* Add 3 to account for the *. and \0. */
798 hostname = alloca(strlen(user->hostname+ii)+3);
799 sprintf(hostname, "*.%s", user->hostname+ii+1);
801 for (cnt=3, ii--; cnt; ii--)
802 if (user->hostname[ii] == '.')
804 /* The loop above will overshoot the dot one character;
805 we skip forward two (the one character and the dot)
806 when printing, so we only add one for the \0. */
807 hostname = alloca(strlen(user->hostname+ii)+1);
808 sprintf(hostname, "*.%s", user->hostname+ii+2);
812 len = strlen(ident) + strlen(hostname) + 2;
814 len += strlen(nickname) + 1;
816 sprintf(mask, "%s!%s@%s", nickname, ident, hostname);
819 sprintf(mask, "%s@%s", ident, hostname);
825 IsChannelName(const char *name) {
830 for (ii=1; name[ii]; ++ii) {
831 if ((name[ii] > 0) && (name[ii] <= 32))
835 if (name[ii] == '\xa0')
842 irc_user_modes(const struct userNode *user, char modes[], size_t length)
846 for (ii = jj = 0; (jj < length) && (irc_user_mode_chars[ii] != '\0'); ++ii) {
847 if ((user->modes & (1 << ii)) && (irc_user_mode_chars[ii] != ' '))
848 modes[jj++] = irc_user_mode_chars[ii];