int
whois_access(struct userrec *user, struct userrec *whois_user)
{
if (user == whois_user)
return 1;
struct flag_record fr = { FR_GLOBAL | FR_CHAN, 0, 0, 0 }, whois = {
FR_GLOBAL | FR_CHAN, 0, 0, 0};
get_user_flagrec(user, &fr, NULL);
get_user_flagrec(whois_user, &whois, NULL);
/* Don't show hub bots from leaf bots. */
if (!conf.bot->hub && whois_user->bot && bot_hublevel(whois_user) < 999)
return 0;
if (
(isowner(whois_user->handle) && !isowner(user->handle)) ||
(glob_admin(whois) && !glob_admin(fr)) ||
(glob_owner(whois) && !glob_owner(fr)) ||
(glob_master(whois) && !glob_master(fr)) ||
(glob_bot(whois) && !glob_master(fr))
)
return 0;
return 1;
}
static void got_invite(struct chanset_t *chan, char *nick, char *from,
char *who, char *ch, struct userrec *u)
{
char s[UHOSTLEN];
simple_sprintf(s, "%s!%s", nick, from);
newinvite(chan, who, s);
check_tcl_mode(nick, from, u, chan->dname, "+I", who);
if (!(chan = modebind_refresh(ch, from, &user, NULL, NULL)))
return;
if (channel_pending(chan) || HALFOP_CANTDOMODE('I'))
return;
if (!match_my_nick(nick)) {
if (nick[0] && channel_nouserinvites(chan) && !glob_bot(user) &&
!glob_master(user) && !chan_master(user)) {
add_mode(chan, '-', 'I', who);
return;
}
if ((!nick[0]) && (bounce_modes))
reversing = 1;
}
if (reversing || (bounce_invites && (!nick[0]) &&
(!u_equals_mask(global_invites, who) ||
!u_equals_mask(chan->invites, who))))
add_mode(chan, '-', 'I', who);
}
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);
}
static void got_unexempt(struct chanset_t *chan, char *nick, char *from,
char *who, char *ch, struct userrec *u)
{
masklist *e = chan->channel.exempt, *old = NULL;
masklist *b;
int match = 0;
while (e && e->mask[0] && rfc_casecmp(e->mask, who)) {
old = e;
e = e->next;
}
if (e && e->mask[0]) {
if (old)
old->next = e->next;
else
chan->channel.exempt = e->next;
nfree(e->mask);
nfree(e->who);
nfree(e);
}
check_tcl_mode(nick, from, u, chan->dname, "-e", who);
if (!(chan = modebind_refresh(ch, from, &user, NULL, NULL)))
return;
if (channel_pending(chan))
return;
if (u_sticky_mask(chan->exempts, who) || u_sticky_mask(global_exempts, who))
add_mode(chan, '+', 'e', who);
/* If exempt was removed by master then leave it else check for bans */
if (!nick[0] && glob_bot(user) && !glob_master(user) && !chan_master(user)) {
b = chan->channel.ban;
while (b->mask[0] && !match) {
if (mask_match(b->mask, who)) {
add_mode(chan, '+', 'e', who);
match = 1;
} else
b = b->next;
}
}
if ((u_equals_mask(global_exempts, who) ||
u_equals_mask(chan->exempts, who)) && me_op(chan) &&
!channel_dynamicexempts(chan) && (!glob_bot(user) ||
!(bot_flags(u) & BOT_SHARE)))
add_mode(chan, '+', 'e', 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
chk_autoop(struct flag_record fr, struct chanset_t *chan)
{
if (glob_bot(fr))
return 0;
if (!chan || (!channel_take(chan) && !privchan(fr, chan, PRIV_OP) && chk_op(fr, chan) && !chk_deop(fr, chan))) {
if (channel_autoop(chan) || chan_autoop(fr) || glob_autoop(fr))
return 1;
}
return 0;
}
static void got_uninvite(struct chanset_t *chan, char *nick, char *from,
char *who, char *ch, struct userrec *u)
{
masklist *inv = chan->channel.invite, *old = NULL;
while (inv->mask[0] && rfc_casecmp(inv->mask, who)) {
old = inv;
inv = inv->next;
}
if (inv->mask[0]) {
if (old)
old->next = inv->next;
else
chan->channel.invite = inv->next;
nfree(inv->mask);
nfree(inv->who);
nfree(inv);
}
check_tcl_mode(nick, from, u, chan->dname, "-I", who);
if (!(chan = modebind_refresh(ch, from, &user, NULL, NULL)))
return;
if (channel_pending(chan))
return;
if (u_sticky_mask(chan->invites, who) || u_sticky_mask(global_invites, who))
add_mode(chan, '+', 'I', who);
if (!nick[0] && glob_bot(user) && !glob_master(user) && !chan_master(user) &&
(chan->channel.mode & CHANINV))
add_mode(chan, '+', 'I', who);
if ((u_equals_mask(global_invites, who) ||
u_equals_mask(chan->invites, who)) && me_op(chan) &&
!channel_dynamicinvites(chan) && (!glob_bot(user) ||
!(bot_flags(u) & BOT_SHARE)))
add_mode(chan, '+', 'I', who);
}
/* 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_key(struct chanset_t *chan, char *nick, char *from, char *key)
{
if (!nick[0] && bounce_modes)
reversing = 1;
if (!(glob_master(user) || glob_bot(user) || chan_master(user)) &&
!match_my_nick(nick)) {
if ((reversing && !chan->key_prot[0]) || (chan->mode_mns_prot & CHANKEY)) {
if (strlen(key) != 0)
add_mode(chan, '-', 'k', key);
else
add_mode(chan, '-', 'k', "");
}
if ((chan->mode_pls_prot & CHANKEY) && (chan->key_prot[0] != 0) &&
strcmp(key, chan->key_prot)) {
add_mode(chan, '+', 'k', chan->key_prot);
}
}
}
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);
}
}
}
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_dehalfop(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 &= ~(CHANHALFOP | SENTDEHALFOP | FAKEHALFOP);
check_tcl_mode(nick, from, opu, chan->dname, "-h", who);
if (!(chan = modebind_refresh(ch, from, &user, s, &victim)) ||
!(m = ismember(chan, who)))
return;
/* Check comments in got_op() (drummer) */
m->flags &= ~WASHALFOP;
if (channel_pending(chan))
return;
/* Dehalfop'd someone on my oplist? */
if (HALFOP_CANDOMODE('h')) {
int ok = 1;
if (!glob_dehalfop(victim) && !chan_dehalfop(victim)) {
if (channel_protecthalfops(chan) && (glob_master(victim) ||
chan_master(victim) || glob_halfop(victim) || chan_halfop(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_halfop(victim) ||
(glob_halfop(victim) && !chan_dehalfop(victim))) ||
!channel_bitch(chan)))
add_mode(chan, '+', 'h', who);
}
if (!nick[0])
putlog(LOG_MODES, chan->dname, "TS resync (%s): %s deopped by %s",
chan->dname, who, from);
if (!(m->flags & (CHANVOICE | STOPWHO))) {
chan->status |= CHAN_PEND;
refresh_who_chan(chan->name);
m->flags |= STOPWHO;
}
}
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);
}
