X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=src%2Fprotocol_misc.c;h=caaa08f11d0beb61a557c7e6e307e03e040294d6;hb=158cbe99f972a1613b7d4d95abfe5fe48e019e67;hp=28571ef30082806599b20ab45595a1c5b845d395;hpb=4c85542894f7fca823b119b05e07179deb24229a;p=meshlink diff --git a/src/protocol_misc.c b/src/protocol_misc.c index 28571ef3..caaa08f1 100644 --- a/src/protocol_misc.c +++ b/src/protocol_misc.c @@ -1,7 +1,6 @@ /* protocol_misc.c -- handle the meta-protocol, miscellaneous functions - Copyright (C) 1999-2005 Ivo Timmermans, - 2000-2009 Guus Sliepen + 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 @@ -40,17 +39,17 @@ bool send_status(connection_t *c, int statusno, const char *statusstring) { return send_request(c, "%d %d %s", STATUS, statusno, statusstring); } -bool status_h(connection_t *c) { +bool status_h(connection_t *c, const char *request) { 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", + if(sscanf(request, "%*d %d " MAX_STRING, &statusno, statusstring) != 2) { + logger(DEBUG_ALWAYS, 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", + logger(DEBUG_STATUS, LOG_NOTICE, "Status message from %s (%s): %d: %s", c->name, c->hostname, statusno, statusstring); return true; @@ -63,42 +62,38 @@ bool send_error(connection_t *c, int err, const char *errstring) { return send_request(c, "%d %d %s", ERROR, err, errstring); } -bool error_h(connection_t *c) { +bool error_h(connection_t *c, const char *request) { 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", + if(sscanf(request, "%*d %d " MAX_STRING, &err, errorstring) != 2) { + logger(DEBUG_ALWAYS, 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", + logger(DEBUG_ERROR, LOG_NOTICE, "Error message from %s (%s): %d: %s", c->name, c->hostname, err, errorstring); - terminate_connection(c, c->status.active); - - return true; + return false; } 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 termreq_h(connection_t *c, const char *request) { + return false; } bool send_ping(connection_t *c) { c->status.pinged = true; - c->last_ping_time = now; + c->last_ping_time = now.tv_sec; return send_request(c, "%d", PING); } -bool ping_h(connection_t *c) { +bool ping_h(connection_t *c, const char *request) { return send_pong(c); } @@ -106,24 +101,30 @@ bool send_pong(connection_t *c) { return send_request(c, "%d", PONG); } -bool pong_h(connection_t *c) { +bool pong_h(connection_t *c, const char *request) { c->status.pinged = false; /* Succesful 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->outbuf.len / (float)maxoutbufsize - 1 > (float)rand()/(float)RAND_MAX) return true; if(!send_request(c, "%d %hd", PACKET, packet->len)) @@ -132,11 +133,11 @@ bool send_tcppacket(connection_t *c, vpn_packet_t *packet) { return send_meta(c, (char *)packet->data, packet->len); } -bool tcppacket_h(connection_t *c) { +bool tcppacket_h(connection_t *c, const char *request) { short int len; - if(sscanf(c->buffer, "%*d %hd", &len) != 1) { - logger(LOG_ERR, "Got bad %s from %s (%s)", "PACKET", c->name, + if(sscanf(request, "%*d %hd", &len) != 1) { + logger(DEBUG_ALWAYS, LOG_ERR, "Got bad %s from %s (%s)", "PACKET", c->name, c->hostname); return false; }