req->address[len] = 0;
req->port = ntohs(get_uint16(data+5+len));
*drain_out = 5+len+2;
- if (!tor_strisprint(req->address) || strchr(req->address,'\"')) {
+
+ if (string_is_valid_ipv4_address(req->address) ||
+ string_is_valid_ipv6_address(req->address)) {
+ log_unsafe_socks_warning(5,req->address,req->port,safe_socks);
+
+ if (safe_socks) {
+ socks_request_set_socks5_error(req, SOCKS5_NOT_ALLOWED);
+ return -1;
+ }
+ }
+
+ if (!string_is_valid_hostname(req->address)) {
+ socks_request_set_socks5_error(req, SOCKS5_GENERAL_ERROR);
++
log_warn(LD_PROTOCOL,
"Your application (using socks5 to port %d) gave Tor "
"a malformed hostname: %s. Rejecting the connection.",