X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=src%2Fmeta.c;h=b15ed8374eaca3cef2a18d8acef4ac291535d53c;hb=2956559f7d12caa9779207525419801e0e9ab3e3;hp=28c85cf0e6b9615866771857e8a201b6fccadb8b;hpb=ee63f2a32be398c31301e9ce9154511b24089d8d;p=meshlink diff --git a/src/meta.c b/src/meta.c index 28c85cf0..b15ed837 100644 --- a/src/meta.c +++ b/src/meta.c @@ -1,8 +1,6 @@ /* meta.c -- handle the meta communication - Copyright (C) 2000-2012 Guus Sliepen , - 2000-2005 Ivo Timmermans - 2006 Scott Lamb + Copyright (C) 2014 Guus Sliepen , This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -53,25 +51,7 @@ bool send_meta(connection_t *c, const char *buffer, int length) { logger(DEBUG_META, LOG_DEBUG, "Sending %d bytes of metadata to %s (%s)", length, c->name, c->hostname); - if(c->protocol_minor >= 2) - return sptps_send_record(&c->sptps, 0, buffer, length); - - /* Add our data to buffer */ - if(c->status.encryptout) { - size_t outlen = length; - - if(!cipher_encrypt(&c->outcipher, buffer, length, buffer_prepare(&c->outbuf, length), &outlen, false) || outlen != length) { - logger(DEBUG_ALWAYS, LOG_ERR, "Error while encrypting metadata to %s (%s)", - c->name, c->hostname); - return false; - } - } else { - buffer_add(&c->outbuf, buffer, length); - } - - io_set(&c->io, IO_READ | IO_WRITE); - - return true; + return sptps_send_record(&c->sptps, 0, buffer, length); } void broadcast_meta(connection_t *from, const char *buffer, int length) { @@ -153,97 +133,5 @@ bool receive_meta(connection_t *c) { return false; } - do { - if(c->protocol_minor >= 2) - 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; - - 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) - break; - - if(!c->node) { - 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 if(proxytype == PROXY_SOCKS5 && c->allow_request == ID) { - if(tcpbuffer[0] != 5) { - logger(DEBUG_CONNECTIONS, LOG_ERR, "Invalid response from proxy server"); - return false; - } - if(tcpbuffer[1] == 0xff) { - logger(DEBUG_CONNECTIONS, LOG_ERR, "Proxy request rejected: unsuitable authentication method"); - return false; - } - if(tcpbuffer[2] != 5) { - logger(DEBUG_CONNECTIONS, LOG_ERR, "Invalid response from proxy server"); - return false; - } - if(tcpbuffer[3] == 0) { - logger(DEBUG_CONNECTIONS, LOG_DEBUG, "Proxy request granted"); - } else { - logger(DEBUG_CONNECTIONS, LOG_DEBUG, "Proxy request rejected"); - return false; - } - } else { - logger(DEBUG_CONNECTIONS, LOG_ERR, "c->tcplen set but c->node is NULL!"); - abort(); - } - } else { - if(c->allow_request == ALL) { - receive_tcppacket(c, tcpbuffer, c->tcplen); - } else { - logger(DEBUG_CONNECTIONS, LOG_ERR, "Got unauthorized TCP packet from %s (%s)", c->name, c->hostname); - return false; - } - } - - c->tcplen = 0; - } - - /* 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; + return sptps_receive_data(&c->sptps, bufp, inlen); }