/* Contains the logic to decide wether we want to punish someone. Returns
* true (1) if we want to, false (0) if not.
*/
static int want_to_revenge(struct chanset_t *chan, struct userrec *u,
struct userrec *u2, char *badnick, char *victim,
int mevictim)
{
struct flag_record fr = { FR_GLOBAL | FR_CHAN, 0, 0, 0, 0, 0 };
/* Do not take revenge upon ourselves. */
if (match_my_nick(badnick))
return 0;
get_user_flagrec(u, &fr, chan->dname);
/* Kickee is not a friend? */
if (!chan_friend(fr) && !glob_friend(fr) && rfc_casecmp(badnick, victim)) {
if (mevictim && channel_revengebot(chan))
return 1;
else if (channel_revenge(chan) && u2) {
struct flag_record fr2 = { FR_GLOBAL | FR_CHAN, 0, 0, 0, 0, 0 };
get_user_flagrec(u2, &fr2, chan->dname);
/* Protecting friends? */
if ((channel_protectfriends(chan) && (chan_friend(fr2) ||
(glob_friend(fr2) && !chan_deop(fr2)))) ||
(channel_protectops(chan) && (chan_op(fr2) || (glob_op(fr2) &&
!chan_deop(fr2)))))
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 void got_unban(struct chanset_t *chan, char *nick, char *from,
char *who, char *ch, struct userrec *u)
{
masklist *b, *old;
old = NULL;
for (b = chan->channel.ban; b->mask[0] && rfc_casecmp(b->mask, who);
old = b, b = b->next);
if (b->mask[0]) {
if (old)
old->next = b->next;
else
chan->channel.ban = b->next;
nfree(b->mask);
nfree(b->who);
nfree(b);
}
check_tcl_mode(nick, from, u, chan->dname, "-b", who);
if (!(chan = modebind_refresh(ch, from, &user, NULL, NULL)))
return;
if (channel_pending(chan))
return;
if ((u_sticky_mask(chan->bans, who) || u_sticky_mask(global_bans, who)) ||
((u_equals_mask(global_bans, who) || u_equals_mask(chan->bans, who)) &&
!channel_dynamicbans(chan) && ((!glob_bot(user) ||
!(bot_flags(u) & BOT_SHARE)) && ((!glob_op(user) || chan_deop(user)) &&
!chan_op(user)) && ((!glob_halfop(user) || chan_dehalfop(user)) &&
!chan_halfop(user)))))
add_mode(chan, '+', 'b', who);
}
int
real_chk_deop(struct flag_record fr, struct chanset_t *chan, bool botbitch)
{
if (chan && botbitch && channel_botbitch(chan) && !glob_bot(fr))
return 1;
if (chan_deop(fr) || (glob_deop(fr) && !chan_op(fr)))
return 1;
else
return 0;
}
int
real_chk_op(struct flag_record fr, struct chanset_t *chan, bool botbitch)
{
if (!chan && glob_op(fr))
return 1;
else if (!chan)
return 0;
if (!privchan(fr, chan, PRIV_OP) && !real_chk_deop(fr, chan, botbitch)) {
if (chan_op(fr) || (glob_op(fr) && !chan_deop(fr)))
return 1;
}
return 0;
}
/* get icon symbol for a user (depending on access level)
* (*)owner on any channel
* (+)master on any channel
* (%) botnet master
* (@) op on any channel
* (-) other */
char geticon(int idx)
{
struct flag_record fr =
{FR_GLOBAL | FR_CHAN | FR_ANYWH, 0, 0, 0, 0, 0};
if (!dcc[idx].user)
return '-';
get_user_flagrec(dcc[idx].user, &fr, 0);
if (chan_owner(fr))
return '*';
if (chan_master(fr))
return '+';
if (glob_botmast(fr))
return '%';
if (chan_op(fr))
return '@';
return '-';
}
static void check_expired_chanstuff()
{
masklist *b, *e;
memberlist *m, *n;
char *key, s[UHOSTLEN];
struct chanset_t *chan;
struct flag_record fr = { FR_GLOBAL | FR_CHAN, 0, 0, 0, 0, 0 };
if (!server_online)
return;
for (chan = chanset; chan; chan = chan->next) {
if (channel_active(chan)) {
if (me_op(chan) || me_halfop(chan)) {
if (channel_dynamicbans(chan) && chan->ban_time)
for (b = chan->channel.ban; b->mask[0]; b = b->next)
if (now - b->timer > 60 * chan->ban_time &&
!u_sticky_mask(chan->bans, b->mask) &&
!u_sticky_mask(global_bans, b->mask) &&
expired_mask(chan, b->who)) {
putlog(LOG_MODES, chan->dname,
"(%s) Channel ban on %s expired.", chan->dname, b->mask);
add_mode(chan, '-', 'b', b->mask);
b->timer = now;
}
if (use_exempts && channel_dynamicexempts(chan) && chan->exempt_time)
for (e = chan->channel.exempt; e->mask[0]; e = e->next)
if (now - e->timer > 60 * chan->exempt_time &&
!u_sticky_mask(chan->exempts, e->mask) &&
!u_sticky_mask(global_exempts, e->mask) &&
expired_mask(chan, e->who)) {
/* Check to see if it matches a ban */
int match = 0;
for (b = chan->channel.ban; b->mask[0]; b = b->next)
if (mask_match(b->mask, e->mask)) {
match = 1;
break;
}
/* Leave this extra logging in for now. Can be removed later
* Jason
*/
if (match) {
putlog(LOG_MODES, chan->dname,
"(%s) Channel exemption %s NOT expired. Exempt still set!",
chan->dname, e->mask);
} else {
putlog(LOG_MODES, chan->dname,
"(%s) Channel exemption on %s expired.",
chan->dname, e->mask);
add_mode(chan, '-', 'e', e->mask);
}
e->timer = now;
}
if (use_invites && channel_dynamicinvites(chan) &&
chan->invite_time && !(chan->channel.mode & CHANINV))
for (b = chan->channel.invite; b->mask[0]; b = b->next)
if (now - b->timer > 60 * chan->invite_time &&
!u_sticky_mask(chan->invites, b->mask) &&
!u_sticky_mask(global_invites, b->mask) &&
expired_mask(chan, b->who)) {
putlog(LOG_MODES, chan->dname,
"(%s) Channel invitation on %s expired.",
chan->dname, b->mask);
add_mode(chan, '-', 'I', b->mask);
b->timer = now;
}
if (chan->idle_kick)
for (m = chan->channel.member; m && m->nick[0]; m = m->next)
if (now - m->last >= chan->idle_kick * 60 &&
!match_my_nick(m->nick) && !chan_issplit(m)) {
sprintf(s, "%s!%s", m->nick, m->userhost);
get_user_flagrec(m->user ? m->user : get_user_by_host(s),
&fr, chan->dname);
if ((!(glob_bot(fr) || glob_friend(fr) || (glob_op(fr) &&
!chan_deop(fr)) || chan_friend(fr) || chan_op(fr))) &&
(me_op(chan) || (me_halfop(chan) && !chan_hasop(m)))) {
dprintf(DP_SERVER, "KICK %s %s :idle %d min\n", chan->name,
m->nick, chan->idle_kick);
m->flags |= SENTKICK;
}
}
}
for (m = chan->channel.member; m && m->nick[0]; m = n) {
n = m->next;
if (m->split && now - m->split > wait_split) {
sprintf(s, "%s!%s", m->nick, m->userhost);
check_tcl_sign(m->nick, m->userhost,
m->user ? m->user : get_user_by_host(s),
chan->dname, "lost in the netsplit");
putlog(LOG_JOIN, chan->dname,
"%s (%s) got lost in the net-split.", m->nick, m->userhost);
killmember(chan, m->nick);
}
m = n;
}
check_lonely_channel(chan);
} else if (!channel_inactive(chan) && !channel_pending(chan)) {
key = chan->channel.key[0] ? chan->channel.key : chan->key_prot;
if (key[0])
dprintf(DP_SERVER, "JOIN %s %s\n",
chan->name[0] ? chan->name : chan->dname, key);
else
dprintf(DP_SERVER, "JOIN %s\n",
chan->name[0] ? chan->name : chan->dname);
}
}
}
/* Dependant on revenge_mode, punish the offender.
*/
static void punish_badguy(struct chanset_t *chan, char *whobad,
struct userrec *u, char *badnick, char *victim,
int mevictim, int type)
{
char reason[1024], ct[81], *kick_msg;
memberlist *m;
struct flag_record fr = { FR_GLOBAL | FR_CHAN, 0, 0, 0, 0, 0 };
m = ismember(chan, badnick);
if (!m)
return;
get_user_flagrec(u, &fr, chan->dname);
/* Get current time into a string */
egg_strftime(ct, 7, "%d %b", localtime(&now));
/* Put together log and kick messages */
reason[0] = 0;
switch (type) {
case REVENGE_KICK:
kick_msg = IRC_KICK_PROTECT;
simple_sprintf(reason, "kicked %s off %s", victim, chan->dname);
break;
case REVENGE_DEOP:
simple_sprintf(reason, "deopped %s on %s", victim, chan->dname);
kick_msg = IRC_DEOP_PROTECT;
break;
default:
kick_msg = "revenge!";
}
putlog(LOG_MISC, chan->dname, "Punishing %s (%s)", badnick, reason);
/* Set the offender +d */
if ((chan->revenge_mode > 0) && !(chan_deop(fr) || glob_deop(fr))) {
char s[UHOSTLEN], s1[UHOSTLEN];
memberlist *mx = NULL;
/* Removing op */
if (chan_op(fr) || (glob_op(fr) && !chan_deop(fr))) {
fr.match = FR_CHAN;
if (chan_op(fr))
fr.chan &= ~USER_OP;
else
fr.chan |= USER_DEOP;
set_user_flagrec(u, &fr, chan->dname);
putlog(LOG_MISC, "*", "No longer opping %s[%s] (%s)", u->handle, whobad,
reason);
}
/* ... or just setting to deop */
else if (u) {
/* In the user list already, cool :) */
fr.match = FR_CHAN;
fr.chan |= USER_DEOP;
set_user_flagrec(u, &fr, chan->dname);
simple_sprintf(s, "(%s) %s", ct, reason);
putlog(LOG_MISC, "*", "Now deopping %s[%s] (%s)", u->handle, whobad, s);
}
/* ... or creating new user and setting that to deop */
else {
strcpy(s1, whobad);
maskaddr(s1, s, chan->ban_type);
strcpy(s1, badnick);
/* If that handle exists use "badX" (where X is an increasing number)
* instead.
*/
while (get_user_by_handle(userlist, s1)) {
if (!strncmp(s1, "bad", 3)) {
int i;
i = atoi(s1 + 3);
simple_sprintf(s1 + 3, "%d", i + 1);
} else
strcpy(s1, "bad1"); /* Start with '1' */
}
userlist = adduser(userlist, s1, s, "-", 0);
fr.match = FR_CHAN;
fr.chan = USER_DEOP;
fr.udef_chan = 0;
u = get_user_by_handle(userlist, s1);
if ((mx = ismember(chan, badnick)))
mx->user = u;
set_user_flagrec(u, &fr, chan->dname);
simple_sprintf(s, "(%s) %s (%s)", ct, reason, whobad);
set_user(&USERENTRY_COMMENT, u, (void *) s);
putlog(LOG_MISC, "*", "Now deopping %s (%s)", whobad, reason);
}
}
/* Always try to deop the offender */
if (!mevictim)
add_mode(chan, '-', 'o', badnick);
/* Ban. Should be done before kicking. */
if (chan->revenge_mode > 2) {
char s[UHOSTLEN], s1[UHOSTLEN];
splitnick(&whobad);
maskaddr(whobad, s1, chan->ban_type);
simple_sprintf(s, "(%s) %s", ct, reason);
u_addban(chan, s1, botnetnick, s, now + (60 * chan->ban_time), 0);
if (!mevictim && HALFOP_CANDOMODE('b')) {
add_mode(chan, '+', 'b', s1);
flush_mode(chan, QUICK);
}
}
/* Kick the offender */
if (!mevictim && (chan->revenge_mode > 1) && (!channel_dontkickops(chan) ||
(!chan_op(fr) && (!glob_op(fr) || chan_deop(fr)))) &&
!chan_sentkick(m) && (me_op(chan) || (me_halfop(chan) &&
!chan_hasop(m) && (strchr(NOHALFOPS_MODES, 'b') == NULL)))) {
dprintf(DP_MODE, "KICK %s %s :%s\n", chan->name, badnick, kick_msg);
m->flags |= SENTKICK;
}
}
/* this only handles CHAT requests, otherwise it's handled in filesys */
static int filesys_DCC_CHAT(char *nick, char *from, char *handle,
char *object, char *keyword, char *text)
{
char *param, *ip, *prt, buf[512], *msg = buf;
int i, sock;
struct userrec *u = get_user_by_handle(userlist, handle);
struct flag_record fr =
{FR_GLOBAL | FR_CHAN | FR_ANYWH, 0, 0, 0, 0, 0};
Context;
if (!strncasecmp(text, "SEND ", 5)) {
filesys_dcc_send(nick, from, u, text + 5);
return 1;
}
if (strncasecmp(text, "CHAT ", 5) || !u)
return 0;
strcpy(buf, text + 5);
get_user_flagrec(u, &fr, 0);
param = newsplit(&msg);
if (dcc_total == max_dcc) {
putlog(LOG_MISC, "*", DCC_TOOMANYDCCS2, "CHAT(file)", param, nick, from);
} else if (glob_party(fr) || (!require_p && chan_op(fr)))
return 0; /* allow ctcp.so to pick up the chat */
else if (!glob_xfer(fr)) {
if (!quiet_reject)
dprintf(DP_HELP, "NOTICE %s :.\n", nick, DCC_REFUSED3);
putlog(LOG_MISC, "*", "%s: %s!%s", DCC_REFUSED, nick, from);
} else if (u_pass_match(u, "-")) {
if (!quiet_reject)
dprintf(DP_HELP, "NOTICE %s :%s.\n", nick, DCC_REFUSED3);
putlog(LOG_MISC, "*", "%s: %s!%s", DCC_REFUSED4, nick, from);
} else if (!dccdir[0]) {
putlog(LOG_MISC, "*", "%s: %s!%s", DCC_REFUSED5, nick, from);
} else {
ip = newsplit(&msg);
prt = newsplit(&msg);
sock = getsock(0);
if (open_telnet_dcc(sock, ip, prt) < 0) {
neterror(buf);
if (!quiet_reject)
dprintf(DP_HELP, "NOTICE %s :%s (%s)\n", nick,
DCC_CONNECTFAILED1, buf);
putlog(LOG_MISC, "*", "%s: CHAT(file) (%s!%s)", DCC_CONNECTFAILED2,
nick, from);
putlog(LOG_MISC, "*", " (%s)", buf);
killsock(sock);
} else if ((atoi(prt) < min_dcc_port) || (atoi(prt) > max_dcc_port)) {
/* invalid port range, do clients even use over 5000?? */
if (!quiet_reject)
dprintf(DP_HELP, "NOTICE %s :%s (invalid port)\n", nick,
DCC_CONNECTFAILED1);
putlog(LOG_FILES, "*", "%s: %s!%s", DCC_REFUSED7, nick, from);
} else {
i = new_dcc(&DCC_FILES_PASS, sizeof(struct file_info));
dcc[i].addr = my_atoul(ip);
dcc[i].port = atoi(prt);
dcc[i].sock = sock;
strcpy(dcc[i].nick, u->handle);
strcpy(dcc[i].host, from);
dcc[i].status = STAT_ECHO;
dcc[i].timeval = now;
dcc[i].u.file->chat = get_data_ptr(sizeof(struct chat_info));
bzero(dcc[i].u.file->chat, sizeof(struct chat_info));
strcpy(dcc[i].u.file->chat->con_chan, "*");
dcc[i].user = u;
putlog(LOG_MISC, "*", "DCC connection: CHAT(file) (%s!%s)", nick, from);
dprintf(i, "%s\n", DCC_ENTERPASS);
}
}
return 1;
}
static void got_ban(struct chanset_t *chan, char *nick, char *from, char *who,
char *ch, struct userrec *u)
{
char me[UHOSTLEN], s[UHOSTLEN], s1[UHOSTLEN];
memberlist *m;
struct userrec *targ;
egg_snprintf(me, sizeof me, "%s!%s", botname, botuserhost);
egg_snprintf(s, sizeof s, "%s!%s", nick, from);
newban(chan, who, s);
check_tcl_mode(nick, from, u, chan->dname, "+b", who);
if (!(chan = modebind_refresh(ch, from, &user, NULL, NULL)))
return;
if (channel_pending(chan) || HALFOP_CANTDOMODE('b'))
return;
if (match_addr(who, me) && !isexempted(chan, me)) {
add_mode(chan, '-', 'b', who);
reversing = 1;
return;
}
if (!match_my_nick(nick)) {
if (nick[0] && channel_nouserbans(chan) && !glob_bot(user) &&
!glob_master(user) && !chan_master(user)) {
add_mode(chan, '-', 'b', who);
return;
}
for (m = chan->channel.member; m && m->nick[0]; m = m->next) {
egg_snprintf(s1, sizeof s1, "%s!%s", m->nick, m->userhost);
if (match_addr(who, s1)) {
targ = get_user_by_host(s1);
if (targ) {
get_user_flagrec(targ, &victim, chan->dname);
if ((glob_friend(victim) || (glob_op(victim) && !chan_deop(victim)) ||
chan_friend(victim) || chan_op(victim)) && !glob_master(user) &&
!glob_bot(user) && !chan_master(user) && !isexempted(chan, s1)) {
add_mode(chan, '-', 'b', who);
return;
}
}
}
}
}
refresh_exempt(chan, who);
if (nick[0] && channel_enforcebans(chan)) {
register maskrec *b;
int cycle;
char resn[512] = "";
for (cycle = 0; cycle < 2; cycle++) {
for (b = cycle ? chan->bans : global_bans; b; b = b->next) {
if (match_addr(b->mask, who)) {
if (b->desc && b->desc[0] != '@')
egg_snprintf(resn, sizeof resn, "%s %s", IRC_PREBANNED, b->desc);
else
resn[0] = 0;
}
}
}
kick_all(chan, who, resn[0] ? resn : IRC_BANNED,
match_my_nick(nick) ? 0 : 1);
}
if (!nick[0] && (bounce_bans || bounce_modes) &&
(!u_equals_mask(global_bans, who) || !u_equals_mask(chan->bans, who)))
add_mode(chan, '-', 'b', who);
}
static void got_deop(struct chanset_t *chan, char *nick, char *from,
char *who, struct userrec *opu)
{
memberlist *m;
char ch[sizeof chan->name];
char s[UHOSTLEN], s1[UHOSTLEN];
struct userrec *u;
int had_halfop;
m = ismember(chan, who);
if (!m) {
if (channel_pending(chan))
return;
putlog(LOG_MISC, chan->dname, CHAN_BADCHANMODE, chan->dname, who);
chan->status |= CHAN_PEND;
refresh_who_chan(chan->name);
return;
}
strcpy(ch, chan->name);
simple_sprintf(s, "%s!%s", m->nick, m->userhost);
simple_sprintf(s1, "%s!%s", nick, from);
u = get_user_by_host(s);
get_user_flagrec(u, &victim, chan->dname);
had_halfop = chan_hasop(m);
/* Flags need to be set correctly right from the beginning now, so that
* add_mode() doesn't get irritated.
*/
m->flags &= ~(CHANOP | SENTDEOP | FAKEOP);
check_tcl_mode(nick, from, opu, chan->dname, "-o", who);
if (!(chan = modebind_refresh(ch, from, &user, s, &victim)) ||
!(m = ismember(chan, who)))
return;
m->flags &= ~WASOP;
if (channel_pending(chan))
return;
if (HALFOP_CANDOMODE('o')) {
int ok = 1;
if (!glob_deop(victim) && !chan_deop(victim)) {
if (channel_protectops(chan) && (glob_master(victim) ||
chan_master(victim) || glob_op(victim) || chan_op(victim)))
ok = 0;
else if (channel_protectfriends(chan) && (glob_friend(victim) ||
chan_friend(victim)))
ok = 0;
}
if ((reversing || !ok) && had_halfop && !match_my_nick(nick) &&
rfc_casecmp(who, nick) && !match_my_nick(who) && !glob_master(user) &&
!chan_master(user) && !glob_bot(user) && ((chan_op(victim) ||
(glob_op(victim) && !chan_deop(victim))) || !channel_bitch(chan)))
add_mode(chan, '+', 'o', who);
}
if (!nick[0])
putlog(LOG_MODES, chan->dname, "TS resync (%s): %s deopped by %s",
chan->dname, who, from);
/* Check for mass deop */
if (nick[0])
detect_chan_flood(nick, from, s1, chan, FLOOD_DEOP, who, 0);
/* Having op hides your +v and +h status -- so now that someone's lost ops,
* check to see if they have +v or +h
*/
if (!(m->flags & (CHANVOICE | CHANHALFOP | STOPWHO))) {
chan->status |= CHAN_PEND;
refresh_who_chan(chan->name);
m->flags |= STOPWHO;
}
/* Was the bot deopped? */
if (match_my_nick(who)) {
/* Cancel any pending kicks and modes */
memberlist *m2;
for (m2 = chan->channel.member; m2 && m2->nick[0]; m2 = m2->next)
m2->flags &= ~(SENTKICK | SENTDEOP | SENTOP | SENTVOICE | SENTDEVOICE);
check_tcl_need(chan->dname, "op");
if (chan->need_op[0])
do_tcl("need-op", chan->need_op);
if (!nick[0])
putlog(LOG_MODES, chan->dname, "TS resync deopped me on %s :(",
chan->dname);
}
if (nick[0])
maybe_revenge(chan, s1, s, REVENGE_DEOP);
}
static void got_halfop(struct chanset_t *chan, char *nick, char *from,
char *who, struct userrec *opu,
struct flag_record *opper)
{
memberlist *m;
char s[UHOSTLEN];
char ch[sizeof chan->name];
struct userrec *u;
int check_chan = 0;
int snm = chan->stopnethack_mode;
m = ismember(chan, who);
if (!m) {
if (channel_pending(chan))
return;
putlog(LOG_MISC, chan->dname, CHAN_BADCHANMODE, chan->dname, who);
chan->status |= CHAN_PEND;
refresh_who_chan(chan->name);
return;
}
/* Did *I* just get halfopped? */
if (!me_op(chan) && !me_halfop(chan) && match_my_nick(who))
check_chan = 1;
strcpy(ch, chan->name);
simple_sprintf(s, "%s!%s", m->nick, m->userhost);
if (!m->user)
u = get_user_by_host(s);
else
u = m->user;
get_user_flagrec(u, &victim, chan->dname);
/* Flags need to be set correctly right from the beginning now, so that
* add_mode() doesn't get irritated.
*/
m->flags |= CHANHALFOP;
check_tcl_mode(nick, from, opu, chan->dname, "+h", who);
if (!(chan = modebind_refresh(ch, from, opper, s, &victim)) ||
!(m = ismember(chan, who)))
return;
m->flags &= ~SENTHALFOP;
if (channel_pending(chan))
return;
if (nick[0] && HALFOP_CANDOMODE('h') && !match_my_nick(who) &&
!match_my_nick(nick)) {
if (channel_bitch(chan) && !(glob_master(*opper) || glob_bot(*opper)) &&
!chan_master(*opper) && !(glob_halfop(victim) || glob_op(victim) ||
glob_bot(victim)) && !chan_op(victim) && !chan_halfop(victim))
add_mode(chan, '-', 'h', who);
else if ((chan_dehalfop(victim) || (glob_dehalfop(victim) &&
!chan_halfop(victim))) && !glob_master(*opper) &&
!chan_master(*opper))
add_mode(chan, '-', 'h', who);
else if (reversing)
add_mode(chan, '-', 'h', who);
} else if (reversing && HALFOP_CANDOMODE('h') && !match_my_nick(who) &&
!match_my_nick(nick))
add_mode(chan, '-', 'h', who);
if (!nick[0] && HALFOP_CANDOMODE('h') && !match_my_nick(who)) {
if (chan_dehalfop(victim) || (glob_dehalfop(victim) &&
!chan_halfop(victim))) {
m->flags |= FAKEHALFOP;
add_mode(chan, '-', 'h', who);
} else if (snm > 0 && snm < 7 && !((channel_autohalfop(chan) ||
glob_autohalfop(victim) || chan_autohalfop(victim)) &&
(chan_halfop(victim) || (glob_halfop(victim) &&
!chan_dehalfop(victim)))) && !glob_exempt(victim) &&
!chan_exempt(victim)) {
if (snm == 5)
snm = channel_bitch(chan) ? 1 : 3;
if (snm == 6)
snm = channel_bitch(chan) ? 4 : 2;
if (chan_washalfoptest(victim) || glob_washalfoptest(victim) || snm == 2) {
if (!chan_washalfop(m)) {
m->flags |= FAKEHALFOP;
add_mode(chan, '-', 'h', who);
}
} else if (!(chan_halfop(victim) || (glob_halfop(victim) &&
!chan_dehalfop(victim)))) {
if (snm == 1 || snm == 4 || (snm == 3 && !chan_washalfop(m))) {
add_mode(chan, '-', 'h', who);
m->flags |= FAKEHALFOP;
}
} else if (snm == 4 && !chan_washalfop(m)) {
add_mode(chan, '-', 'h', who);
m->flags |= FAKEHALFOP;
}
}
}
m->flags |= WASHALFOP;
if (check_chan)
recheck_channel(chan, 1);
}
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;
}
