X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=src%2Fmeta.c;h=a272baf57e10da72687fed8c7aa91223e626bccc;hb=19be9cf7150858311f7898fa3fb525d692d02f64;hp=fa031dbda557d4f55d57f91c53e23a29714d9f60;hpb=483c5dcfb43719e5fd50902641252e28a04fd74e;p=meshlink diff --git a/src/meta.c b/src/meta.c index fa031dbd..a272baf5 100644 --- a/src/meta.c +++ b/src/meta.c @@ -35,11 +35,11 @@ bool send_meta_sptps(void *handle, const char *buffer, size_t length) { connection_t *c = handle; if(!c) { - logger(LOG_ERR, "send_meta_sptps() called with NULL pointer!"); + logger(DEBUG_ALWAYS, LOG_ERR, "send_meta_sptps() called with NULL pointer!"); abort(); } - logger(LOG_DEBUG, "send_meta_sptps(%s, %p, %zu)", c->name, buffer, length); + logger(DEBUG_META, LOG_DEBUG, "send_meta_sptps(%s, %p, %zu)", c->name, buffer, length); buffer_add(&c->outbuf, buffer, length); event_add(&c->outevent, NULL); @@ -49,11 +49,11 @@ bool send_meta_sptps(void *handle, const char *buffer, size_t length) { bool send_meta(connection_t *c, const char *buffer, int length) { if(!c) { - logger(LOG_ERR, "send_meta() called with NULL pointer!"); + logger(DEBUG_ALWAYS, LOG_ERR, "send_meta() called with NULL pointer!"); abort(); } - ifdebug(META) logger(LOG_DEBUG, "Sending %d bytes of metadata to %s (%s)", length, + logger(DEBUG_META, LOG_DEBUG, "Sending %d bytes of metadata to %s (%s)", length, c->name, c->hostname); if(c->protocol_minor >= 2) @@ -64,7 +64,7 @@ bool send_meta(connection_t *c, const char *buffer, int length) { size_t outlen = length; if(!cipher_encrypt(&c->outcipher, buffer, length, buffer_prepare(&c->outbuf, length), &outlen, false) || outlen != length) { - logger(LOG_ERR, "Error while encrypting metadata to %s (%s)", + logger(DEBUG_ALWAYS, LOG_ERR, "Error while encrypting metadata to %s (%s)", c->name, c->hostname); return false; } @@ -94,11 +94,11 @@ bool receive_meta_sptps(void *handle, uint8_t type, const char *data, uint16_t l connection_t *c = handle; if(!c) { - logger(LOG_ERR, "receive_meta_sptps() called with NULL pointer!"); + logger(DEBUG_ALWAYS, LOG_ERR, "receive_meta_sptps() called with NULL pointer!"); abort(); } - logger(LOG_DEBUG, "receive_meta_sptps(%s, %d, %p, %hu)", c->name, type, data, length); + logger(DEBUG_META, LOG_DEBUG, "receive_meta_sptps(%s, %d, %p, %hu)", c->name, type, data, length); if(type == SPTPS_HANDSHAKE) { if(c->allow_request == ACK) @@ -142,7 +142,7 @@ bool receive_meta(connection_t *c) { buffer_compact(&c->inbuf, MAXBUFSIZE); if(sizeof inbuf <= c->inbuf.len) { - logger(LOG_ERR, "Input buffer full for %s (%s)", c->name, c->hostname); + logger(DEBUG_ALWAYS, LOG_ERR, "Input buffer full for %s (%s)", c->name, c->hostname); return false; } @@ -150,19 +150,19 @@ bool receive_meta(connection_t *c) { if(inlen <= 0) { if(!inlen || !errno) { - ifdebug(CONNECTIONS) logger(LOG_NOTICE, "Connection closed by %s (%s)", + logger(DEBUG_CONNECTIONS, LOG_NOTICE, "Connection closed by %s (%s)", c->name, c->hostname); } else if(sockwouldblock(sockerrno)) return true; else - logger(LOG_ERR, "Metadata socket read error for %s (%s): %s", + logger(DEBUG_ALWAYS, LOG_ERR, "Metadata socket read error for %s (%s): %s", c->name, c->hostname, sockstrerror(sockerrno)); return false; } do { if(c->protocol_minor >= 2) { - logger(LOG_DEBUG, "Receiving %d bytes of SPTPS data", inlen); + logger(DEBUG_META, LOG_DEBUG, "Receiving %d bytes of SPTPS data", inlen); return sptps_receive_data(&c->sptps, bufp, inlen); } @@ -179,10 +179,10 @@ bool receive_meta(connection_t *c) { bufp = endp; } else { size_t outlen = inlen; - ifdebug(META) logger(LOG_DEBUG, "Received encrypted %d bytes", 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(LOG_ERR, "Error while decrypting metadata from %s (%s)", + logger(DEBUG_ALWAYS, LOG_ERR, "Error while decrypting metadata from %s (%s)", c->name, c->hostname); return false; } @@ -196,7 +196,15 @@ bool receive_meta(connection_t *c) { if(c->tcplen) { char *tcpbuffer = buffer_read(&c->inbuf, c->tcplen); if(tcpbuffer) { - receive_tcppacket(c, tcpbuffer, c->tcplen); + 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 {