int
chk_devoice(struct flag_record fr)
{
if (chan_quiet(fr) || (glob_quiet(fr) && !chan_voice(fr)))
return 1;
else
return 0;
}
int
chk_voice(struct flag_record fr, struct chanset_t *chan)
{
if (!chan || (!privchan(fr, chan, PRIV_VOICE) && !chk_devoice(fr))) {
if (chan_voice(fr) || (glob_voice(fr) && !chan_quiet(fr)))
return 1;
}
return 0;
}
/* private returns 0 if user has access, and 1 if they dont because of +private
* This function does not check if the user has "op" access, it only checks if the user is
* restricted by +private for the channel
*/
int
privchan(struct flag_record fr, struct chanset_t *chan, int type)
{
if (!chan || !channel_privchan(chan) || glob_bot(fr) || glob_owner(fr))
return 0; /* user is implicitly not restricted by +private, they may however be lacking other flags */
if (type == PRIV_OP) {
/* |o implies all flags above. n| has access to all +private. Bots are exempt. */
if (chan_op(fr))
return 0;
} else if (type == PRIV_VOICE) {
if (chan_voice(fr) || chan_op(fr))
return 0;
}
return 1; /* user is restricted by +private */
}
static int gotmode(char *from, char *origmsg)
{
char *nick, *ch, *op, *chg, *msg;
char s[UHOSTLEN], buf[511];
char ms2[3];
int z;
struct userrec *u;
memberlist *m;
struct chanset_t *chan;
strncpy(buf, origmsg, 510);
buf[510] = 0;
msg = buf;
/* Usermode changes? */
if (msg[0] && (strchr(CHANMETA, msg[0]) != NULL)) {
ch = newsplit(&msg);
chg = newsplit(&msg);
reversing = 0;
chan = findchan(ch);
if (!chan) {
putlog(LOG_MISC, "*", CHAN_FORCEJOIN, ch);
dprintf(DP_SERVER, "PART %s\n", ch);
} else if (channel_active(chan) || channel_pending(chan)) {
z = strlen(msg);
if (msg[--z] == ' ') /* I hate cosmetic bugs :P -poptix */
msg[z] = 0;
putlog(LOG_MODES, chan->dname, "%s: mode change '%s %s' by %s", ch, chg,
msg, from);
u = get_user_by_host(from);
get_user_flagrec(u, &user, ch);
nick = splitnick(&from);
m = ismember(chan, nick);
if (m)
m->last = now;
if (m && channel_active(chan) && (me_op(chan) || (me_halfop(chan) &&
!chan_hasop(m))) && !(glob_friend(user) || chan_friend(user) ||
(channel_dontkickops(chan) && (chan_op(user) || (glob_op(user) &&
!chan_deop(user))))) && !match_my_nick(nick)) {
if (chan_fakeop(m) || chan_fakehalfop(m)) {
putlog(LOG_MODES, ch, CHAN_FAKEMODE, ch);
dprintf(DP_MODE, "KICK %s %s :%s\n", ch, nick, CHAN_FAKEMODE_KICK);
m->flags |= SENTKICK;
reversing = 1;
} else if (!chan_hasop(m) && !chan_hashalfop(m) &&
!channel_nodesynch(chan)) {
putlog(LOG_MODES, ch, CHAN_DESYNCMODE, ch);
dprintf(DP_MODE, "KICK %s %s :%s\n", ch, nick, CHAN_DESYNCMODE_KICK);
m->flags |= SENTKICK;
reversing = 1;
}
}
ms2[0] = '+';
ms2[2] = 0;
while ((ms2[1] = *chg)) {
int todo = 0;
switch (*chg) {
case '+':
ms2[0] = '+';
break;
case '-':
ms2[0] = '-';
break;
case 'i':
todo = CHANINV;
if (!nick[0] && bounce_modes)
reversing = 1;
break;
case 'p':
todo = CHANPRIV;
if (!nick[0] && bounce_modes)
reversing = 1;
break;
case 's':
todo = CHANSEC;
if (!nick[0] && bounce_modes)
reversing = 1;
break;
case 'm':
todo = CHANMODER;
if (!nick[0] && bounce_modes)
reversing = 1;
break;
case 'c':
todo = CHANNOCLR;
if (!nick[0] && bounce_modes)
reversing = 1;
break;
case 'C':
todo = CHANNOCTCP;
if (!nick[0] && bounce_modes)
reversing = 1;
break;
case 'R':
todo = CHANREGON;
if (!nick[0] && bounce_modes)
reversing = 1;
break;
case 'M':
todo = CHANMODREG;
if (!nick[0] && bounce_modes)
reversing = 1;
break;
case 'r':
todo = CHANLONLY;
if (!nick[0] && bounce_modes)
reversing = 1;
break;
case 'D':
todo = CHANDELJN;
if (!nick[0] && bounce_modes)
reversing = 1;
break;
case 'u':
todo = CHANSTRIP;
if (!nick[0] && bounce_modes)
reversing = 1;
break;
case 'N':
todo = CHANNONOTC;
if (!nick[0] && bounce_modes)
reversing = 1;
break;
case 'T':
todo = CHANNOAMSG;
if (!nick[0] && bounce_modes)
reversing = 1;
break;
case 'd':
todo = CHANINVIS;
break;
case 't':
todo = CHANTOPIC;
if (!nick[0] && bounce_modes)
reversing = 1;
break;
case 'n':
todo = CHANNOMSG;
if (!nick[0] && bounce_modes)
reversing = 1;
break;
case 'a':
todo = CHANANON;
if (!nick[0] && bounce_modes)
reversing = 1;
break;
case 'q':
todo = CHANQUIET;
if (!nick[0] && bounce_modes)
reversing = 1;
break;
case 'l':
if (!nick[0] && bounce_modes)
reversing = 1;
if (ms2[0] == '-') {
check_tcl_mode(nick, from, u, chan->dname, ms2, "");
/* The Tcl proc might have modified/removed the chan or user */
if (!(chan = modebind_refresh(ch, from, &user, NULL, NULL)))
return 0;
if (channel_active(chan)) {
if (reversing && (chan->channel.maxmembers != 0)) {
simple_sprintf(s, "%d", chan->channel.maxmembers);
add_mode(chan, '+', 'l', s);
} else if ((chan->limit_prot != 0) && !glob_master(user) &&
!chan_master(user) && !match_my_nick(nick)) {
simple_sprintf(s, "%d", chan->limit_prot);
add_mode(chan, '+', 'l', s);
}
}
chan->channel.maxmembers = 0;
} else {
op = newsplit(&msg);
fixcolon(op);
if (op == '\0')
break;
chan->channel.maxmembers = atoi(op);
check_tcl_mode(nick, from, u, chan->dname, ms2,
int_to_base10(chan->channel.maxmembers));
/* The Tcl proc might have modified/removed the chan or user */
if (!(chan = modebind_refresh(ch, from, &user, NULL, NULL)))
return 0;
if (channel_pending(chan))
break;
if ((reversing && !(chan->mode_pls_prot & CHANLIMIT)) ||
((chan->mode_mns_prot & CHANLIMIT) && !glob_master(user) &&
!chan_master(user)))
add_mode(chan, '-', 'l', "");
if ((chan->limit_prot != chan->channel.maxmembers) &&
(chan->mode_pls_prot & CHANLIMIT) && (chan->limit_prot != 0) &&
!glob_master(user) && !chan_master(user)) {
simple_sprintf(s, "%d", chan->limit_prot);
add_mode(chan, '+', 'l', s);
}
}
break;
case 'k':
if (ms2[0] == '+')
chan->channel.mode |= CHANKEY;
else
chan->channel.mode &= ~CHANKEY;
op = newsplit(&msg);
fixcolon(op);
if (op == '\0') {
break;
}
check_tcl_mode(nick, from, u, chan->dname, ms2, op);
/* The Tcl proc might have modified/removed the chan or user */
if (!(chan = modebind_refresh(ch, from, &user, NULL, NULL)))
return 0;
if (ms2[0] == '+') {
set_key(chan, op);
if (channel_active(chan))
got_key(chan, nick, from, op);
} else {
if (channel_active(chan)) {
if (reversing && chan->channel.key[0])
add_mode(chan, '+', 'k', chan->channel.key);
else if (chan->key_prot[0] && !glob_master(user) &&
!chan_master(user) && !match_my_nick(nick))
add_mode(chan, '+', 'k', chan->key_prot);
}
set_key(chan, NULL);
}
break;
case 'o':
op = newsplit(&msg);
fixcolon(op);
if (ms2[0] == '+')
got_op(chan, nick, from, op, u, &user);
else
got_deop(chan, nick, from, op, u);
break;
case 'h':
op = newsplit(&msg);
fixcolon(op);
if (ms2[0] == '+')
got_halfop(chan, nick, from, op, u, &user);
else
got_dehalfop(chan, nick, from, op, u);
break;
case 'v':
op = newsplit(&msg);
fixcolon(op);
m = ismember(chan, op);
if (!m) {
if (channel_pending(chan))
break;
putlog(LOG_MISC, chan->dname, CHAN_BADCHANMODE, chan->dname, op);
chan->status |= CHAN_PEND;
refresh_who_chan(chan->name);
} else {
simple_sprintf(s, "%s!%s", m->nick, m->userhost);
get_user_flagrec(m->user ? m->user : get_user_by_host(s),
&victim, chan->dname);
if (ms2[0] == '+') {
m->flags &= ~SENTVOICE;
m->flags |= CHANVOICE;
check_tcl_mode(nick, from, u, chan->dname, ms2, op);
if (!(chan = modebind_refresh(ch, from, &user, s, &victim)))
return 0;
if (channel_active(chan) && !glob_master(user) &&
!chan_master(user) && !match_my_nick(nick)) {
if (chan_quiet(victim) ||
(glob_quiet(victim) && !chan_voice(victim)))
add_mode(chan, '-', 'v', op);
else if (reversing)
add_mode(chan, '-', 'v', op);
}
} else {
m->flags &= ~SENTDEVOICE;
m->flags &= ~CHANVOICE;
check_tcl_mode(nick, from, u, chan->dname, ms2, op);
if (!(chan = modebind_refresh(ch, from, &user, s, &victim)))
return 0;
if (channel_active(chan) && !glob_master(user) &&
!chan_master(user) && !match_my_nick(nick)) {
if ((channel_autovoice(chan) && !chan_quiet(victim) &&
(chan_voice(victim) || glob_voice(victim))) ||
(!chan_quiet(victim) && (glob_gvoice(victim) ||
chan_gvoice(victim))))
add_mode(chan, '+', 'v', op);
else if (reversing)
add_mode(chan, '+', 'v', op);
}
}
}
break;
case 'b':
op = newsplit(&msg);
fixcolon(op);
if (ms2[0] == '+')
got_ban(chan, nick, from, op, ch, u);
else
got_unban(chan, nick, from, op, ch, u);
break;
case 'e':
op = newsplit(&msg);
fixcolon(op);
if (ms2[0] == '+')
got_exempt(chan, nick, from, op, ch, u);
else
got_unexempt(chan, nick, from, op, ch, u);
break;
case 'I':
op = newsplit(&msg);
fixcolon(op);
if (ms2[0] == '+')
got_invite(chan, nick, from, op, ch, u);
else
got_uninvite(chan, nick, from, op, ch, u);
break;
}
if (todo) {
check_tcl_mode(nick, from, u, chan->dname, ms2, "");
if (!(chan = modebind_refresh(ch, from, &user, NULL, NULL)))
return 0;
if (ms2[0] == '+')
chan->channel.mode |= todo;
else
chan->channel.mode &= ~todo;
if (channel_active(chan)) {
if ((((ms2[0] == '+') && (chan->mode_mns_prot & todo)) ||
((ms2[0] == '-') && (chan->mode_pls_prot & todo))) &&
!glob_master(user) && !chan_master(user) &&
!match_my_nick(nick))
add_mode(chan, ms2[0] == '+' ? '-' : '+', *chg, "");
else if (reversing && ((ms2[0] == '+') ||
(chan->mode_pls_prot & todo)) && ((ms2[0] == '-') ||
(chan->mode_mns_prot & todo)))
add_mode(chan, ms2[0] == '+' ? '-' : '+', *chg, "");
}
}
chg++;
}
if (!me_op(chan) && !nick[0])
chan->status |= CHAN_ASKEDMODES;
}
}
return 0;
}
