- do {
- if(c->protocol_minor >= 2) {
- logger(DEBUG_META, LOG_DEBUG, "Receiving %d bytes of SPTPS data", inlen);
- return sptps_receive_data(&c->sptps, bufp, inlen);
- }
-
- if(!c->status.decryptin) {
- endp = memchr(bufp, '\n', inlen);
- if(endp)
- endp++;
- else
- endp = bufp + inlen;
-
- buffer_add(&c->inbuf, bufp, endp - bufp);
-
- inlen -= endp - bufp;
- bufp = endp;
- } else {
- size_t outlen = inlen;
- logger(DEBUG_META, LOG_DEBUG, "Received encrypted %d bytes", inlen);
-
- if(!cipher_decrypt(&c->incipher, bufp, inlen, buffer_prepare(&c->inbuf, inlen), &outlen, false) || inlen != outlen) {
- logger(DEBUG_ALWAYS, LOG_ERR, "Error while decrypting metadata from %s (%s)",
- c->name, c->hostname);
- return false;
- }
-
- inlen = 0;
- }
-
- while(c->inbuf.len) {
- /* Are we receiving a TCPpacket? */
-
- if(c->tcplen) {
- char *tcpbuffer = buffer_read(&c->inbuf, c->tcplen);
- if(tcpbuffer) {
- if(proxytype == PROXY_SOCKS4 && c->allow_request == ID) {
- if(tcpbuffer[0] == 0 && tcpbuffer[1] == 0x5a) {
- logger(DEBUG_CONNECTIONS, LOG_DEBUG, "Proxy request granted");
- } else {
- logger(DEBUG_CONNECTIONS, LOG_ERR, "Proxy request rejected");
- return false;
- }
- } else
- receive_tcppacket(c, tcpbuffer, c->tcplen);
- c->tcplen = 0;
- continue;
- } else {
- break;
- }
- }
-
- /* Otherwise we are waiting for a request */
-
- char *request = buffer_readline(&c->inbuf);
- if(request) {
- bool result = receive_request(c, request);
- if(!result)
- return false;
- continue;
- } else {
- break;
- }
- }
- } while(inlen);
-
- return true;