X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fprotocol_misc.c;h=904ac3fd9999dede5c948e6c44440632034c55de;hp=28571ef30082806599b20ab45595a1c5b845d395;hb=92afeec172f1f8a9f8b0bfdb94311bf0405433bb;hpb=4c85542894f7fca823b119b05e07179deb24229a diff --git a/src/protocol_misc.c b/src/protocol_misc.c index 28571ef3..904ac3fd 100644 --- a/src/protocol_misc.c +++ b/src/protocol_misc.c @@ -1,7 +1,7 @@ /* protocol_misc.c -- handle the meta-protocol, miscellaneous functions Copyright (C) 1999-2005 Ivo Timmermans, - 2000-2009 Guus Sliepen + 2000-2012 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 @@ -31,66 +31,6 @@ int maxoutbufsize = 0; -/* Status and error notification routines */ - -bool send_status(connection_t *c, int statusno, const char *statusstring) { - if(!statusstring) - statusstring = "Status"; - - return send_request(c, "%d %d %s", STATUS, statusno, statusstring); -} - -bool status_h(connection_t *c) { - int statusno; - char statusstring[MAX_STRING_SIZE]; - - if(sscanf(c->buffer, "%*d %d " MAX_STRING, &statusno, statusstring) != 2) { - logger(LOG_ERR, "Got bad %s from %s (%s)", "STATUS", - c->name, c->hostname); - return false; - } - - ifdebug(STATUS) logger(LOG_NOTICE, "Status message from %s (%s): %d: %s", - c->name, c->hostname, statusno, statusstring); - - return true; -} - -bool send_error(connection_t *c, int err, const char *errstring) { - if(!errstring) - errstring = "Error"; - - return send_request(c, "%d %d %s", ERROR, err, errstring); -} - -bool error_h(connection_t *c) { - int err; - char errorstring[MAX_STRING_SIZE]; - - if(sscanf(c->buffer, "%*d %d " MAX_STRING, &err, errorstring) != 2) { - logger(LOG_ERR, "Got bad %s from %s (%s)", "ERROR", - c->name, c->hostname); - return false; - } - - ifdebug(ERROR) logger(LOG_NOTICE, "Error message from %s (%s): %d: %s", - c->name, c->hostname, err, errorstring); - - terminate_connection(c, c->status.active); - - return true; -} - -bool send_termreq(connection_t *c) { - return send_request(c, "%d", TERMREQ); -} - -bool termreq_h(connection_t *c) { - terminate_connection(c, c->status.active); - - return true; -} - bool send_ping(connection_t *c) { c->status.pinged = true; c->last_ping_time = now; @@ -109,35 +49,46 @@ bool send_pong(connection_t *c) { bool pong_h(connection_t *c) { c->status.pinged = false; - /* Succesful connection, reset timeout if this is an outgoing connection. */ + /* Successful connection, reset timeout if this is an outgoing connection. */ - if(c->outgoing) + if(c->outgoing) { c->outgoing->timeout = 0; + c->outgoing->cfg = NULL; + + if(c->outgoing->ai) { + freeaddrinfo(c->outgoing->ai); + } + + c->outgoing->ai = NULL; + c->outgoing->aip = NULL; + } return true; } /* Sending and receiving packets via TCP */ -bool send_tcppacket(connection_t *c, vpn_packet_t *packet) { +bool send_tcppacket(connection_t *c, const vpn_packet_t *packet) { /* If there already is a lot of data in the outbuf buffer, discard this packet. - We use a very simple Random Early Drop algorithm. */ + We use a very simple Random Early Drop algorithm. */ - if(2.0 * c->outbuflen / (float)maxoutbufsize - 1 > (float)rand()/(float)RAND_MAX) + if(2.0 * c->outbuflen / (float)maxoutbufsize - 1 > (float)rand() / (float)RAND_MAX) { return true; + } - if(!send_request(c, "%d %hd", PACKET, packet->len)) + if(!send_request(c, "%d %hd", PACKET, packet->len)) { return false; + } - return send_meta(c, (char *)packet->data, packet->len); + return send_meta(c, (char *)packet->data, packet->len) && flush_meta(c); } bool tcppacket_h(connection_t *c) { - short int len; + length_t len; - if(sscanf(c->buffer, "%*d %hd", &len) != 1) { + if(sscanf(c->buffer, "%*d %hu", &len) != 1) { logger(LOG_ERR, "Got bad %s from %s (%s)", "PACKET", c->name, - c->hostname); + c->hostname); return false; }