X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fmeta.c;h=7562792e2f4aa83da535ac2277f97976eec97248;hp=e286aea96a577dc12bfc6ba61d9e34459d93dc5f;hb=ff306f0cdaedb50de1472e7c1fb55de922a6ca60;hpb=40c28589328a2aa96c2ce1419c5d90616c758b3d diff --git a/src/meta.c b/src/meta.c index e286aea9..7562792e 100644 --- a/src/meta.c +++ b/src/meta.c @@ -21,7 +21,6 @@ #include "system.h" -#include "splay_tree.h" #include "cipher.h" #include "connection.h" #include "logger.h" @@ -31,7 +30,7 @@ #include "utils.h" #include "xalloc.h" -bool send_meta_sptps(void *handle, const char *buffer, size_t length) { +bool send_meta_sptps(void *handle, uint8_t type, const char *buffer, size_t length) { connection_t *c = handle; if(!c) { @@ -39,8 +38,6 @@ bool send_meta_sptps(void *handle, const char *buffer, size_t length) { abort(); } - logger(DEBUG_ALWAYS, LOG_DEBUG, "send_meta_sptps(%s, %p, %zu)", c->name, buffer, length); - buffer_add(&c->outbuf, buffer, length); event_add(&c->outevent, NULL); @@ -79,11 +76,9 @@ bool send_meta(connection_t *c, const char *buffer, int length) { } void broadcast_meta(connection_t *from, const char *buffer, int length) { - splay_node_t *node; - connection_t *c; - - for(node = connection_tree->head; node; node = node->next) { - c = node->data; + for(list_node_t *node = connection_list->head, *next; node; node = next) { + next = node->next; + connection_t *c = node->data; if(c != from && c->status.active) send_meta(c, buffer, length); @@ -98,8 +93,6 @@ bool receive_meta_sptps(void *handle, uint8_t type, const char *data, uint16_t l abort(); } - logger(DEBUG_ALWAYS, LOG_DEBUG, "receive_meta_sptps(%s, %d, %p, %hu)", c->name, type, data, length); - if(type == SPTPS_HANDSHAKE) { if(c->allow_request == ACK) return send_ack(c); @@ -161,10 +154,8 @@ bool receive_meta(connection_t *c) { } do { - if(c->protocol_minor >= 2) { - logger(DEBUG_ALWAYS, LOG_DEBUG, "Receiving %d bytes of SPTPS data", inlen); + if(c->protocol_minor >= 2) return sptps_receive_data(&c->sptps, bufp, inlen); - } if(!c->status.decryptin) { endp = memchr(bufp, '\n', inlen); @@ -179,7 +170,6 @@ bool receive_meta(connection_t *c) { 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)", @@ -196,7 +186,15 @@ 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 {