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Import Upstream version 1.1~pre2

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This commit is contained in:
Guus Sliepen 2019-08-26 13:44:49 +02:00
parent a04a7bcd67
commit 02de1cd2f1
172 changed files with 32291 additions and 25994 deletions
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95
src/protocol_misc.c
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@ -1,7 +1,7 @@
/*
protocol_misc.c -- handle the meta-protocol, miscellaneous functions
Copyright (C) 1999-2005 Ivo Timmermans,
2000-2012 Guus Sliepen <guus@tinc-vpn.org>
2000-2009 Guus Sliepen <guus@tinc-vpn.org>
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
@ -31,14 +31,70 @@
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, char *request) {
int statusno;
char statusstring[MAX_STRING_SIZE];
if(sscanf(request, "%*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, char *request) {
int err;
char errorstring[MAX_STRING_SIZE];
if(sscanf(request, "%*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);
return false;
}
bool send_termreq(connection_t *c) {
return send_request(c, "%d", TERMREQ);
}
bool termreq_h(connection_t *c, char *request) {
return false;
}
bool send_ping(connection_t *c) {
c->status.pinged = true;
c->last_ping_time = now;
c->last_ping_time = time(NULL);
return send_request(c, "%d", PING);
}
bool ping_h(connection_t *c) {
bool ping_h(connection_t *c, char *request) {
return send_pong(c);
}
@ -46,22 +102,13 @@ bool send_pong(connection_t *c) {
return send_request(c, "%d", PONG);
}
bool pong_h(connection_t *c) {
bool pong_h(connection_t *c, char *request) {
c->status.pinged = false;
/* Successful connection, reset timeout if this is an outgoing connection. */
/* 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;
}
@ -70,25 +117,23 @@ bool pong_h(connection_t *c) {
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)) {
if(!send_request(c, "%d %hd", PACKET, packet->len))
return false;
}
return send_meta(c, (char *)packet->data, packet->len) && flush_meta(c);
return send_meta(c, (char *)packet->data, packet->len);
}
bool tcppacket_h(connection_t *c) {
length_t len;
bool tcppacket_h(connection_t *c, char *request) {
short int len;
if(sscanf(c->buffer, "%*d %hu", &len) != 1) {
if(sscanf(request, "%*d %hd", &len) != 1) {
logger(LOG_ERR, "Got bad %s from %s (%s)", "PACKET", c->name,
c->hostname);
c->hostname);
return false;
}