/* check ip for matching blacklist and whitelist */
unsigned int t_check_ip_access(transfer *const tr)
{
const char *msg;
if (irlist_size(&gdata.xdcc_allow) > 0) {
if (!verify_cidr(&gdata.xdcc_allow, &(tr->con.remote))) {
msg = "Sorry, downloads to your IP not allowed, ask owner.";
t_closeconn(tr, msg, 0);
ioutput(OUT_S|OUT_L|OUT_D, COLOR_NO_COLOR, "%s", msg);
return 1;
}
}
if (verify_cidr(&gdata.xdcc_deny, &(tr->con.remote))) {
msg = "Sorry, downloads to your IP denied, ask owner.";
t_closeconn(tr, msg, 0);
ioutput(OUT_S|OUT_L|OUT_D, COLOR_NO_COLOR, "%s", msg);
return 1;
}
return 0;
}
/* 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;
}
