/* check for a match with unlimitedhost */
void t_unlmited(transfer * const tr, const char *hostmask)
{
char *qhostmask;
if (hostmask != NULL) {
t_unlmited2(tr, hostmask);
return;
}
qhostmask = to_hostmask(tr->nick, tr->hostname);
t_unlmited2(tr, qhostmask);
mydelete(qhostmask);
}
/* check if a transfer will use more connections per user than allowed */
static void t_check_duplicateip(transfer *const newtr)
{
igninfo *ignore;
char *bhostmask;
transfer *tr;
unsigned int found;
unsigned int num;
if (gdata.ignore_duplicate_ip == 0)
return;
if (gdata.maxtransfersperperson == 0)
return;
updatecontext();
if (newtr->con.family != AF_INET)
return;
found = 0;
for (tr = irlist_get_head(&gdata.trans);
tr;
tr = irlist_get_next(tr)) {
if (tr->tr_status != TRANSFER_STATUS_SENDING)
continue;
if (tr->remoteip != newtr->remoteip)
continue;
if (!strcmp(tr->hostname, "man")) /* NOTRANSLATE */
continue;
++found;
}
if (found <= gdata.maxtransfersperperson)
return;
num = gdata.ignore_duplicate_ip * 60; /* n hours */
for (tr = irlist_get_head(&gdata.trans);
tr;
tr = irlist_get_next(tr)) {
if (tr->tr_status != TRANSFER_STATUS_SENDING)
continue;
if (tr->remoteip != newtr->remoteip)
continue;
if (!strcmp(tr->hostname, "man")) /* NOTRANSLATE */
continue;
t_closeconn(tr, "You are being punished for parallel downloads", 0);
queue_punish_abuse( "You are being punished for parallel downloads", tr->net, tr->nick);
bhostmask = to_hostmask( "*", tr->hostname); /* NOTRANSLATE */
ignore = get_ignore(bhostmask);
ignore->flags |= IGN_IGNORING;
ignore->flags |= IGN_MANUAL;
ignore->bucket = (num*60)/gdata.autoignore_threshold;
ioutput(OUT_S|OUT_L|OUT_D, COLOR_NO_COLOR,
"same IP detected, Ignore activated for %s which will last %u min",
bhostmask, num);
mydelete(bhostmask);
}
write_statefile();
}
void t_checkminspeed(transfer * const t) {
char *hostmask;
char *tempstr2;
updatecontext();
if (t->tr_status != TRANSFER_STATUS_SENDING) return; /* no checking unless we're sending */
if (t->con.connecttime+MIN_TL > gdata.curtime) return; /* no checking until time has passed */
if (t->nomin || (t->xpack->minspeed) == 0.0) return; /* no minspeed for this transfer */
if ( t->lastspeed+0.11 > t->xpack->minspeed ) return; /* over minspeed */
if (gdata.no_minspeed_on_free)
{
if (irlist_size(&gdata.trans) < gdata.slotsmax) return; /* free slots */
}
tempstr2 = mymalloc(maxtextlength);
snprintf(tempstr2, maxtextlength,
"Under Min Speed Requirement, %2.1fK/sec is less than %2.1fK/sec",
t->lastspeed,t->xpack->minspeed);
t_closeconn(t,tempstr2,0);
mydelete(tempstr2);
if (gdata.punishslowusers)
{
igninfo *ignore;
transfer *tr;
gnetwork_t *backup;
for (tr = irlist_get_head(&gdata.trans); tr; tr = irlist_get_next(tr))
{
if ((tr->tr_status != TRANSFER_STATUS_DONE) &&
(strcasecmp(tr->nick,t->nick) == 0))
{
t_closeconn(tr, "You are being punished for your slowness", 0);
}
}
queue_punish_abuse("You are being punished for your slowness", t->net, t->nick);
hostmask = to_hostmask( "*", t->hostname);
ignore = get_ignore(hostmask);
mydelete(hostmask);
ignore->flags |= IGN_IGNORING;
ignore->bucket = (gdata.punishslowusers*60)/gdata.autoignore_threshold;
backup = gnetwork;
gnetwork = &(gdata.networks[t->net]);
ioutput(OUT_S|OUT_L|OUT_D, COLOR_NO_COLOR,
"Punish-ignore activated for (%s on %s) (%s) %u minutes",
t->nick, gdata.networks[ t->net ].name,
ignore->hostmask,
gdata.punishslowusers);
notice(t->nick, "Punish-ignore activated for %s (%s) %u minutes",
t->nick,
ignore->hostmask,
gdata.punishslowusers);
gnetwork = backup;
write_statefile();
}
}
/* accept incoming connection */
static void telnet_accept(unsigned int i)
{
gnetwork_t *backup;
char *msg;
dccchat_t *chat;
SIGNEDSOCK int addrlen;
updatecontext();
chat = irlist_add(&gdata.dccchats, sizeof(dccchat_t));
chat->name = "telnet"; /* NOTRANSLATE */
chat->status = DCCCHAT_UNUSED;
chat->con.family = telnet_family[i];
if (chat->con.family != AF_INET) {
addrlen = sizeof (struct sockaddr_in6);
chat->con.clientsocket = accept(telnet_listen[i], &(chat->con.remote.sa), &addrlen);
} else {
addrlen = sizeof (struct sockaddr_in);
chat->con.clientsocket = accept(telnet_listen[i], &(chat->con.remote.sa), &addrlen);
}
if (chat->con.clientsocket < 0) {
outerror(OUTERROR_TYPE_WARN, "Accept Error, Aborting: %s", strerror(errno));
return;
}
if (set_socket_nonblocking(chat->con.clientsocket, 1) < 0 ) {
outerror(OUTERROR_TYPE_WARN, "Couldn't Set Non-Blocking");
}
addrlen = sizeof(chat->con.local);
if (getsockname(chat->con.clientsocket, &(chat->con.local.sa), &addrlen) < 0) {
outerror(OUTERROR_TYPE_WARN_LOUD, "Couldn't get sock name: %s", strerror(errno));
shutdown_close(chat->con.clientsocket);
chat->con.clientsocket = FD_UNUSED;
return;
}
++(gdata.num_dccchats);
chat->status = DCCCHAT_AUTHENTICATING;
chat->net = 0;
chat->nick = mystrdup("telnet"); /* NOTRANSLATE */
chat->hostmask = to_hostmask(chat->nick, "telnet"); /* NOTRANSLATE */
chat->con.localport = gdata.telnet_port;
chat->con.connecttime = gdata.curtime;
chat->con.lastcontact = gdata.curtime;
msg = mymalloc(maxtextlength);
my_getnameinfo(msg, maxtextlength -1, &(chat->con.remote.sa));
chat->con.localaddr = mystrdup(msg);
my_getnameinfo(msg, maxtextlength -1, &(chat->con.local.sa));
chat->con.remoteaddr = mystrdup(msg);
ioutput(OUT_S|OUT_L|OUT_D, COLOR_MAGENTA,
"Telnet connection received from %s", msg);
mydelete(msg);
if (is_in_badip(&(chat->con.remote))) {
shutdowndccchat(chat, 0);
return;
}
if (irlist_size(&gdata.telnet_allow) > 0) {
if (!verify_cidr(&gdata.telnet_allow, &(chat->con.remote))) {
shutdowndccchat(chat, 0);
return;
}
}
if (verify_cidr(&gdata.telnet_deny, &(chat->con.remote))) {
shutdowndccchat(chat, 0);
return;
}
ir_boutput_init(&chat->boutput, chat->con.clientsocket, 0);
backup = gnetwork;
gnetwork = &(gdata.networks[chat->net]);
setup_chat_banner(chat);
gnetwork = backup;
}